/* roulang page: index */
:root{
  --c-primary:#F2542D;
  --c-primary-deep:#C43A16;
  --c-secondary:#0E7C66;
  --c-accent:#FFB03A;
  --c-ink:#1A1A18;
  --c-ink-soft:#4A4F4C;
  --c-bg:#FAF7F2;
  --c-bg-alt:#F2ECE3;
  --c-line:#E6DFD5;
  --c-dark:#141917;
  --grad-brand:linear-gradient(135deg,#F2542D 0%,#FF8A3D 55%,#FFB03A 100%);
  --grad-soft:linear-gradient(120deg,#0E7C66,#FFB03A);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --sh-1:0 2px 8px rgba(20,25,23,.06);
  --sh-2:0 12px 32px rgba(20,25,23,.10);
  --sh-3:0 20px 44px rgba(20,25,23,.14);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
strong{font-weight:700;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
::selection{background:rgba(242,84,45,.18);}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
@media (min-width:1280px){.container{padding:0 32px;}}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section-alt{background:var(--c-bg-alt);}
.section-dark{background:var(--c-dark);color:#fff;}
@media (max-width:1023px){.section{padding:64px 0;}}
@media (max-width:639px){.section{padding:48px 0;}}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--c-primary);background:rgba(242,84,45,.10);
  padding:6px 14px;border-radius:999px;
}
.eyebrow.is-green{color:var(--c-secondary);background:rgba(14,124,102,.10);}
.eyebrow.is-light{color:#fff;background:rgba(255,255,255,.16);}
.section-head{max-width:720px;margin-bottom:48px;}
.section-head h2{font-size:clamp(26px,3vw,38px);font-weight:700;line-height:1.25;letter-spacing:-.015em;margin:18px 0 14px;}
.section-head p{font-size:16px;color:var(--c-ink-soft);}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;flex-wrap:wrap;}
.section-head-row .section-head{margin-bottom:0;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 28px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:background-position .22s ease,color .22s ease,box-shadow .22s ease,transform .18s ease,border-color .22s ease;
  white-space:nowrap;
}
.btn i{font-size:14px;}
.btn-primary{
  background:var(--grad-brand);background-size:200% 100%;background-position:0 0;
  color:#fff!important;box-shadow:var(--sh-2);
}
.btn-primary:hover{background-position:100% 0;box-shadow:var(--sh-3);color:#fff!important;}
.btn-primary:active{transform:translateY(1px);}
.btn-outline{border:1.5px solid var(--c-ink);color:var(--c-ink);background:transparent;}
.btn-outline:hover{border-color:var(--c-secondary);color:var(--c-secondary);}
.btn-outline:active{transform:translateY(1px);}
.btn-light{background:#fff;color:var(--c-primary-deep)!important;box-shadow:var(--sh-2);}
.btn-light:hover{background:#FFF3E9;box-shadow:var(--sh-3);}
.btn-sm{min-height:42px;padding:0 20px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;
  color:var(--c-primary);position:relative;padding-bottom:4px;
}
.link-arrow i{transition:transform .2s ease;}
.link-arrow::after{
  content:"";position:absolute;left:0;right:22px;bottom:0;height:2px;
  background:var(--c-accent);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.link-arrow:hover::after{transform:scaleX(1);}
.link-arrow:hover i{transform:translateX(4px);}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;padding:5px 12px;border-radius:999px;line-height:1.5;
}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;flex:0 0 6px;}
.badge-orange{background:var(--grad-brand);color:#fff;}
.badge-green{background:var(--c-secondary);color:#fff;}
.badge-dark{background:var(--c-dark);color:var(--c-accent);}
.badge-soft{background:var(--c-bg-alt);color:var(--c-secondary);border:1px solid var(--c-line);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(250,247,242,.92);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .22s ease,background .22s ease;
}
.site-header.is-scrolled{background:rgba(250,247,242,.96);box-shadow:var(--sh-1);}
.nav-wrap{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  min-height:78px;gap:18px;
}
.nav-left{display:flex;align-items:center;gap:6px;justify-content:flex-start;}
.nav-right{display:flex;align-items:center;gap:6px;justify-content:flex-end;}
.brand{
  font-size:20px;font-weight:800;letter-spacing:-.02em;color:var(--c-ink);
  text-align:center;white-space:nowrap;padding:6px 4px;
}
.brand:hover{color:var(--c-primary);}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  min-height:44px;padding:0 12px;font-size:15px;color:var(--c-ink-soft);
  font-weight:500;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:6px;height:2px;border-radius:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-link:hover{color:var(--c-ink);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--c-ink);font-weight:600;}
.nav-link.active::after{transform:scaleX(1);}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;align-items:center;gap:5px;
  width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);background:#fff;
}
.nav-toggle-bar{width:20px;height:2px;border-radius:2px;background:var(--c-ink);transition:transform .2s ease;}
@media (max-width:1023px){
  .nav-wrap{
    display:grid;grid-template-columns:1fr auto;
    grid-template-areas:"brand toggle" "menu menu" "menu2 menu2";
    align-items:center;padding-top:10px;padding-bottom:10px;gap:0;
  }
  .brand{grid-area:brand;text-align:left;font-size:18px;padding-left:0;}
  .nav-toggle{grid-area:toggle;display:inline-flex;justify-self:end;}
  .nav-left{grid-area:menu;display:none;flex-direction:column;align-items:stretch;gap:0;width:100%;}
  .nav-right{grid-area:menu2;display:none;flex-direction:column;align-items:stretch;gap:0;width:100%;}
  .nav-left.is-open{display:flex;}
  .nav-right.is-open{display:flex;}
  .nav-left .nav-link,.nav-right .nav-link{
    min-height:56px;font-size:16px;padding:0 4px;border-bottom:1px solid var(--c-line);
    justify-content:flex-start;
  }
  .nav-link::after{display:none;}
  .nav-left .nav-link.active,.nav-right .nav-link.active{color:var(--c-primary);}
  .nav-right .btn{margin:18px 0 10px;width:100%;}
}

/* ---------- Hero ---------- */
.hero{
  position:relative;color:#fff;
  background-image:linear-gradient(135deg,rgba(20,25,23,.86) 0%,rgba(196,58,22,.62) 58%,rgba(242,84,45,.55) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  padding:118px 0 72px;
}
.hero-inner{max-width:880px;}
.hero h1{
  font-size:clamp(32px,4.4vw,56px);font-weight:800;line-height:1.18;
  letter-spacing:-.025em;margin:22px 0 18px;color:#fff;
}
.hero .lead{
  font-size:clamp(17px,1.6vw,20px);line-height:1.8;
  color:rgba(255,255,255,.9);max-width:660px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:34px;}
.hero .btn-outline{border-color:rgba(255,255,255,.7);color:#fff;}
.hero .btn-outline:hover{border-color:var(--c-accent);color:var(--c-accent);}
.hero-badges{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:58px;}
.hero-badge{
  background:rgba(255,255,255,.12);border:1px solid rgba(255,176,58,.55);
  border-radius:var(--r-md);padding:18px 20px;
}
.hero-badge strong{
  display:block;font-size:clamp(22px,2.4vw,32px);font-weight:800;color:#fff;
  line-height:1.1;font-variant-numeric:tabular-nums;letter-spacing:-.01em;
}
.hero-badge span{display:block;margin-top:6px;font-size:13px;color:rgba(255,255,255,.78);}
@media (max-width:1023px){
  .hero{padding:88px 0 56px;}
  .hero-badges{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:44px;}
}
@media (max-width:639px){
  .hero{padding:68px 0 44px;}
  .hero-actions .btn{width:100%;}
  .hero-badge{padding:14px 16px;}
}

/* ---------- 痛点区 ---------- */
.pain-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.5fr);gap:56px;align-items:start;}
.pain-intro h2{font-size:clamp(26px,3vw,38px);font-weight:700;line-height:1.25;letter-spacing:-.015em;margin:18px 0 16px;}
.pain-intro p{font-size:16px;color:var(--c-ink-soft);}
.pain-list{display:flex;flex-direction:column;gap:16px;}
.pain-item{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--c-bg-alt);border:1px solid var(--c-line);
  border-radius:var(--r-md);padding:22px 24px;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
}
.pain-item:hover{transform:translateX(4px);box-shadow:var(--sh-1);background:#fff;}
.pain-icon{
  flex:0 0 44px;width:44px;height:44px;border-radius:14px;
  background:var(--grad-soft);color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;
}
.pain-item h3{font-size:18px;font-weight:600;margin-bottom:6px;line-height:1.5;}
.pain-item p{font-size:15px;color:var(--c-ink-soft);line-height:1.8;}
@media (max-width:1023px){.pain-grid{grid-template-columns:1fr;gap:36px;}}

/* ---------- 解决方案区 ---------- */
.solution-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:56px;align-items:center;}
.solution-figure{position:relative;}
.solution-figure img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-lg);box-shadow:var(--sh-2);
}
.solution-figure .tag-float{
  position:absolute;left:24px;bottom:24px;
  background:rgba(20,25,23,.82);color:#fff;border-radius:999px;
  padding:8px 16px;font-size:13px;font-weight:600;
}
.step-list{display:flex;flex-direction:column;gap:24px;margin-top:32px;}
.step{display:flex;gap:18px;align-items:flex-start;}
.step-num{
  flex:0 0 46px;width:46px;height:46px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:800;color:var(--c-primary);font-variant-numeric:tabular-nums;
  border:2px solid transparent;
  background-image:linear-gradient(#fff,#fff),var(--grad-brand);
  background-origin:border-box;background-clip:padding-box,border-box;
}
.step h3{font-size:18px;font-weight:600;margin-bottom:6px;line-height:1.5;}
.step p{font-size:15px;color:var(--c-ink-soft);line-height:1.8;}
@media (max-width:1023px){
  .solution-grid{grid-template-columns:1fr;gap:36px;}
  .solution-figure{order:-1;}
}

/* ---------- 数据区 ---------- */
.stats{background:var(--c-dark);color:#fff;padding:92px 0;}
.stats .section-head h2{color:#fff;}
.stats .section-head p{color:rgba(255,255,255,.72);}
.stats .eyebrow{color:var(--c-accent);background:rgba(255,176,58,.14);}
.stat-card{
  height:100%;background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.1);border-radius:var(--r-lg);
  padding:28px 24px;box-shadow:0 12px 32px rgba(0,0,0,.28);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.stat-card:hover{transform:translateY(-4px);border-color:rgba(255,176,58,.5);box-shadow:0 20px 44px rgba(0,0,0,.34);}
.stat-card strong{
  display:block;font-size:clamp(38px,4vw,56px);font-weight:800;line-height:1.05;
  color:var(--c-accent);font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.stat-card span{display:block;margin-top:10px;font-size:14px;color:rgba(255,255,255,.86);}
.stat-card em{display:block;margin-top:14px;font-size:13px;font-style:normal;color:rgba(255,255,255,.6);}
.progress{height:8px;border-radius:999px;background:rgba(255,255,255,.12);overflow:hidden;margin-top:40px;}
.progress i{display:block;height:100%;width:78%;border-radius:999px;background:var(--grad-soft);}
.progress-note{margin-top:12px;font-size:13px;color:rgba(255,255,255,.6);}

/* ---------- 资讯列表 ---------- */
.news-row > .cell{margin-bottom:28px;}
.news-card{
  height:100%;display:flex;flex-direction:column;overflow:hidden;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);}
.news-thumb{display:block;aspect-ratio:16/9;overflow:hidden;background:var(--c-bg-alt);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.news-body h3{font-size:19px;font-weight:600;line-height:1.5;}
.news-body h3 a:hover{color:var(--c-primary);}
.news-body p{
  font-size:15px;color:var(--c-ink-soft);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:13px;color:var(--c-ink-soft);font-variant-numeric:tabular-nums;
}
.news-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--c-line);}
.news-foot{margin-top:auto;padding-top:6px;}
.empty-state{
  text-align:center;padding:64px 24px;background:#fff;
  border:1px dashed var(--c-line);border-radius:var(--r-lg);
}
.empty-state i{font-size:34px;color:var(--c-secondary);}
.empty-state p{margin:16px 0 20px;color:var(--c-ink-soft);font-size:15.5px;}

/* ---------- 证言 ---------- */
.testi-card{
  height:100%;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:32px 28px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.testi-card:hover{box-shadow:var(--sh-3);}
.testi-quote{
  font-size:34px;line-height:1;font-weight:800;color:var(--c-accent);
  font-family:Georgia,"Times New Roman",serif;
}
.testi-card p{margin:14px 0 24px;font-size:15.5px;color:var(--c-ink-soft);line-height:1.85;}
.testi-user{display:flex;align-items:center;gap:14px;border-top:1px solid var(--c-line);padding-top:18px;}
.testi-avatar{
  width:44px;height:44px;border-radius:50%;flex:0 0 44px;overflow:hidden;
  background:var(--c-bg-alt);display:flex;align-items:center;justify-content:center;
  color:var(--c-secondary);font-weight:700;font-size:16px;
}
.testi-avatar img{width:100%;height:100%;object-fit:cover;}
.testi-user b{display:block;font-size:15px;font-weight:600;}
.testi-user span{display:block;font-size:13px;color:var(--c-ink-soft);}
@media (min-width:1024px){
  .testi-card.is-raised{transform:translateY(-16px);}
}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:880px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:20px;
  overflow:hidden;box-shadow:var(--sh-1);transition:box-shadow .2s ease;
}
.faq-item:hover{box-shadow:var(--sh-2);}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;text-align:left;
  min-height:44px;padding:20px 24px;font-size:17px;font-weight:600;color:var(--c-ink);
}
.faq-q .faq-mark{color:var(--c-secondary);font-size:16px;flex:0 0 auto;}
.faq-q .faq-arrow{margin-left:auto;color:var(--c-ink-soft);font-size:14px;transition:transform .2s ease;flex:0 0 auto;}
.faq-item.is-open .faq-arrow{transform:rotate(180deg);}
.faq-a{
  display:none;padding:0 24px 22px 62px;background:var(--c-bg-alt);
  font-size:15.5px;color:var(--c-ink-soft);line-height:1.85;
}
.faq-item.is-open .faq-a{display:block;padding-top:18px;}
@media (max-width:639px){
  .faq-q{padding:16px 18px;font-size:16px;gap:10px;}
  .faq-a{padding:0 18px 18px 46px;}
}

/* ---------- 最终 CTA ---------- */
.final-cta{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:var(--grad-brand);color:#fff;
  padding:56px;display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:40px;align-items:center;
}
.final-cta h2{font-size:clamp(24px,2.6vw,34px);font-weight:800;line-height:1.3;letter-spacing:-.015em;}
.final-cta p{margin:16px 0 28px;font-size:16px;color:rgba(255,255,255,.92);max-width:520px;}
.final-cta-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);box-shadow:0 20px 44px rgba(0,0,0,.28);}
.final-cta::after{
  content:"";position:absolute;right:-70px;top:-70px;width:220px;height:220px;
  border-radius:50%;background:rgba(255,255,255,.12);
}
@media (max-width:1023px){
  .final-cta{grid-template-columns:1fr;padding:40px 28px;gap:28px;}
  .final-cta-media img{aspect-ratio:16/9;}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.72);padding:76px 0 0;margin-top:0;}
.footer-brand{font-size:19px;font-weight:800;color:#fff;letter-spacing:-.015em;margin-bottom:14px;}
.site-footer p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.72);}
.site-footer h4{color:#fff;font-size:16px;font-weight:600;margin-bottom:18px;}
.footer-links{display:flex;flex-direction:column;gap:12px;}
.footer-links a{font-size:14.5px;color:rgba(255,255,255,.72);display:inline-flex;align-items:center;gap:8px;min-height:28px;}
.footer-links a:hover{color:var(--c-accent);}
.footer-links a::before{content:"";width:5px;height:5px;border-radius:50%;background:rgba(255,176,58,.6);flex:0 0 5px;}
.footer-info li{font-size:14.5px;margin-bottom:12px;display:flex;gap:10px;align-items:flex-start;}
.footer-info i{color:var(--c-accent);margin-top:6px;font-size:13px;}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.12);padding:24px 0;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:13px;color:rgba(255,255,255,.55);
}
@media (max-width:1023px){
  .site-footer{padding-top:56px;}
  .site-footer h4{margin-top:8px;}
  .footer-bottom{margin-top:36px;}
}

/* ---------- 工具类 ---------- */
.text-mono{font-variant-numeric:tabular-nums;}
.mt-0{margin-top:0;}
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
  clip:rect(0,0,0,0);white-space:nowrap;border:0;
}

/* roulang page: article */
:root{
  --c-primary:#F2542D;
  --c-primary-deep:#C43A16;
  --c-secondary:#0E7C66;
  --c-accent:#FFB03A;
  --c-ink:#1A1A18;
  --c-ink-soft:#4A4F4C;
  --c-bg:#FAF7F2;
  --c-bg-alt:#F2ECE3;
  --c-line:#E6DFD5;
  --c-dark:#141917;
  --grad-brand:linear-gradient(135deg,#F2542D 0%,#FF8A3D 55%,#FFB03A 100%);
  --grad-aux:linear-gradient(120deg,#0E7C66,#FFB03A);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --sh-1:0 2px 8px rgba(20,25,23,.06);
  --sh-2:0 12px 32px rgba(20,25,23,.10);
  --sh-3:0 20px 44px rgba(20,25,23,.14);
  --font-cn:"Noto Sans SC","PingFang 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;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  font-feature-settings:"tnum";
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:var(--c-ink);text-decoration:none;transition:color .2s ease}
button,input,select,textarea{font-family:inherit;font-size:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding-left:1.2em}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px}
.tnum{font-variant-numeric:tabular-nums}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1280px){.container{padding:0 32px}}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border:0;border-radius:999px;
  font-size:16px;font-weight:600;line-height:1;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background-position .25s ease,color .2s ease,border-color .2s ease;
  background-image:var(--grad-brand);background-size:200% 100%;background-position:0 0;
  color:#fff;box-shadow:var(--sh-2);
}
.btn:hover{background-position:100% 0;box-shadow:var(--sh-3);color:#fff}
.btn:active{transform:translateY(1px)}
.btn:disabled{opacity:.4;cursor:not-allowed;box-shadow:none}
.btn-sm{min-height:44px;padding:0 20px;font-size:15px}
.btn-ghost{
  background-image:none;background-color:transparent;color:var(--c-ink);
  border:1.5px solid var(--c-ink);box-shadow:none;
}
.btn-ghost:hover{border-color:var(--c-secondary);color:var(--c-secondary);background-color:transparent;box-shadow:var(--sh-1)}
.btn-ghost-light{border-color:rgba(255,255,255,.7);color:#fff}
.btn-ghost-light:hover{border-color:var(--c-accent);color:var(--c-accent)}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--c-ink);
  background-image:linear-gradient(var(--c-accent),var(--c-accent));
  background-repeat:no-repeat;background-size:0% 2px;background-position:0 100%;
  transition:background-size .22s ease,color .22s ease;padding-bottom:2px;
}
.link-more:hover{background-size:100% 2px;color:var(--c-primary-deep)}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;font-size:13px;font-weight:600;line-height:1.4;
}
.badge i{font-size:11px}
.badge-primary{background-image:var(--grad-brand);color:#fff}
.badge-green{background:var(--c-secondary);color:#fff}
.badge-dark{background:var(--c-dark);color:var(--c-accent)}
.badge-soft{background:var(--c-bg-alt);color:var(--c-secondary);border:1px solid var(--c-line)}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--c-bg);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .22s ease,background-color .22s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1);background:rgba(250,247,242,.94)}
.nav-wrap{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  gap:18px;min-height:78px;
}
.nav-left{display:flex;align-items:center;gap:26px;justify-self:start}
.nav-right{display:flex;align-items:center;gap:20px;justify-self:end}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--c-ink-soft);
  padding:6px 2px;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--c-primary);transition:width .22s ease;
}
.nav-link:hover{color:var(--c-ink)}
.nav-link:hover::after{width:100%}
.nav-link.active{color:var(--c-ink);font-weight:600}
.nav-link.active::after{width:100%}
.brand{
  justify-self:center;font-size:20px;font-weight:800;letter-spacing:-.01em;color:var(--c-ink);
  display:inline-flex;align-items:center;gap:8px;white-space:nowrap;
}
.brand::before{
  content:"";width:10px;height:10px;border-radius:3px;background-image:var(--grad-brand);
  transform:rotate(45deg);flex:none;
}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--c-line);border-radius:12px;
  background:#fff;flex-direction:column;justify-content:center;align-items:center;gap:4px;cursor:pointer;
}
.nav-toggle-bar{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-ink);transition:transform .2s ease,opacity .2s ease}

/* ============ 面包屑 ============ */
.crumb{padding:26px 0 0;font-size:13px;color:var(--c-ink-soft)}
.crumb ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumb li{display:flex;align-items:center;gap:8px;max-width:100%}
.crumb li+li::before{content:"/";color:var(--c-line)}
.crumb a{color:var(--c-ink-soft)}
.crumb a:hover{color:var(--c-primary)}
.crumb .current{color:var(--c-ink);font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:46ch}

/* ============ 文章头部 ============ */
.article-head{padding:26px 0 34px;border-bottom:1px solid var(--c-line)}
.article-head h1{
  font-size:clamp(30px,4vw,50px);font-weight:800;line-height:1.2;letter-spacing:-.02em;
  max-width:900px;
}
.article-head .lede{margin-top:16px;font-size:16px;color:var(--c-ink-soft);max-width:760px}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;margin-top:22px;
  font-size:13px;color:var(--c-ink-soft);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--c-line);display:inline-block}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:6px}
.article-meta i{color:var(--c-secondary);font-size:12px}

/* ============ 布局 ============ */
.layout{padding:52px 0 20px}
.layout .grid-x{align-items:flex-start}
.main-col{min-width:0}

/* ============ 正文排版 ============ */
.article-body{
  max-width:820px;font-size:17px;line-height:1.9;color:var(--c-ink);
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:38px 40px;box-shadow:var(--sh-1);
}
.article-body > * + *{margin-top:1.2em}
.article-body p{margin:0}
.article-body h2{
  position:relative;font-size:clamp(22px,2.4vw,28px);font-weight:700;line-height:1.35;
  margin-top:44px;margin-bottom:6px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:3px;
  background-image:var(--grad-brand);
}
.article-body h3{font-size:20px;font-weight:600;line-height:1.5;margin-top:32px}
.article-body h4{font-size:17px;font-weight:600;margin-top:24px}
.article-body a{color:var(--c-primary-deep);border-bottom:1px solid rgba(242,84,45,.35);transition:border-color .2s ease,color .2s ease}
.article-body a:hover{border-color:var(--c-accent);color:var(--c-primary)}
.article-body ul,.article-body ol{padding-left:1.3em;line-height:1.9}
.article-body li+li{margin-top:.4em}
.article-body ul li::marker{color:var(--c-secondary)}
.article-body ol li::marker{color:var(--c-secondary);font-weight:600}
.article-body blockquote{
  margin:28px 0;padding:18px 22px;border-left:4px solid var(--c-secondary);
  background:var(--c-bg-alt);border-radius:0 var(--r-md) var(--r-md) 0;color:var(--c-ink-soft);
}
.article-body blockquote p{color:var(--c-ink)}
.article-body img{margin:26px auto;border-radius:var(--r-md);box-shadow:var(--sh-1)}
.article-body figure{margin:26px 0}
.article-body figcaption{font-size:13px;color:var(--c-ink-soft);text-align:center;margin-top:10px}
.article-body strong{font-weight:700}
.article-body code{
  background:var(--c-bg-alt);border-radius:6px;padding:2px 6px;font-size:15px;color:var(--c-primary-deep);
}
.table-scroll{overflow-x:auto;margin:26px 0;border-radius:var(--r-md);border:1px solid var(--c-line)}
.table-scroll table{margin:0;border-collapse:collapse;width:100%;min-width:520px;font-size:15px}
.article-body table{margin:26px 0;border-collapse:collapse;width:100%;font-size:15px}
.article-body thead th{background:var(--c-bg-alt);color:var(--c-ink);font-weight:600;text-align:left;padding:13px 16px;border-bottom:1px solid var(--c-line)}
.article-body tbody td{padding:13px 16px;border-bottom:1px solid var(--c-line);color:var(--c-ink-soft)}
.article-body tbody tr:nth-child(even){background:rgba(242,236,227,.5)}
.article-body tbody tr:last-child td{border-bottom:0}
.article-body hr{border:0;height:1px;background:var(--c-line);margin:34px 0}
.article-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px;padding-top:24px;border-top:1px solid var(--c-line)}

/* ============ 空态 ============ */
.empty-state{
  max-width:820px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:64px 32px;text-align:center;box-shadow:var(--sh-1);
}
.empty-state i{font-size:34px;color:var(--c-line)}
.empty-state h2{font-size:22px;font-weight:700;margin-top:18px}
.empty-state p{margin-top:10px;color:var(--c-ink-soft);font-size:15px}
.empty-state .btn{margin-top:24px}

/* ============ 返回入口 ============ */
.back-row{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-top:28px;max-width:820px}

/* ============ 侧栏 ============ */
.side-col{display:block}
.side-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);position:relative;overflow:hidden;
}
.side-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background-image:var(--grad-aux)}
.side-card + .side-card{margin-top:22px}
.side-card h3{font-size:17px;font-weight:700;margin:0 0 14px;padding-left:6px}
.side-sticky{position:sticky;top:100px}
.toc-list{list-style:none;margin:0;padding:0}
.toc-list li{margin:0}
.toc-list a{
  display:block;padding:9px 8px;border-radius:var(--r-sm);font-size:14px;color:var(--c-ink-soft);
  border-bottom:1px dashed transparent;transition:background-color .2s ease,color .2s ease,transform .2s ease;
}
.toc-list a:hover{background:var(--c-bg-alt);color:var(--c-ink);transform:translateX(4px)}
.toc-list .lvl-3 a{padding-left:22px;font-size:13px}
.hot-list{list-style:none;margin:0;padding:0}
.hot-list li+li{border-top:1px solid var(--c-line)}
.hot-list a{display:block;padding:13px 4px;font-size:14px;line-height:1.7;color:var(--c-ink-soft);transition:background-color .2s ease,transform .2s ease,color .2s ease;border-radius:var(--r-sm)}
.hot-list a:hover{background:var(--c-bg-alt);transform:translateX(4px);color:var(--c-ink)}
.hot-list .hot-date{display:block;font-size:12px;color:#9a9d99;margin-top:4px}
.side-note{font-size:13px;color:var(--c-ink-soft);padding-left:6px}

/* ============ 相关推荐 ============ */
.section{padding:72px 0}
.section-head{display:flex;flex-wrap:wrap;gap:16px;align-items:flex-end;justify-content:space-between;margin-bottom:32px}
.section-head h2{font-size:clamp(24px,2.8vw,34px);font-weight:700;letter-spacing:-.01em}
.section-head p{margin-top:8px;color:var(--c-ink-soft);font-size:15px}
.rel-card{
  display:flex;gap:16px;align-items:center;height:100%;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:16px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:rgba(242,84,45,.35)}
.rel-card .thumb{
  width:118px;flex:0 0 118px;aspect-ratio:16/9;border-radius:var(--r-sm);overflow:hidden;background:var(--c-bg-alt);
}
.rel-card .thumb img{width:100%;height:100%;object-fit:cover}
.rel-card h3{font-size:16px;font-weight:600;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-card .rel-meta{display:flex;align-items:center;gap:10px;margin-top:10px;font-size:12px;color:var(--c-ink-soft)}

/* ============ 最终 CTA ============ */
.cta-wrap{padding:0 0 88px}
.cta-box{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background-image:var(--grad-brand);color:#fff;padding:52px 48px;
  display:grid;grid-template-columns:1.5fr 1fr;gap:32px;align-items:center;
  box-shadow:var(--sh-2);
}
.cta-box::after{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;
  background:rgba(255,255,255,.12);
}
.cta-box h2{font-size:clamp(24px,2.8vw,34px);font-weight:800;line-height:1.3;position:relative;z-index:2}
.cta-box p{margin-top:12px;font-size:16px;color:rgba(255,255,255,.9);position:relative;z-index:2;max-width:560px}
.cta-actions{margin-top:26px;position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:14px}
.cta-box .btn{background-image:none;background-color:#fff;color:var(--c-primary-deep);box-shadow:0 12px 32px rgba(0,0,0,.18)}
.cta-box .btn:hover{background-color:#fff5ec;color:var(--c-primary-deep)}
.cta-figure{position:relative;z-index:2;border-radius:var(--r-lg);overflow:hidden;box-shadow:0 20px 44px rgba(0,0,0,.28)}
.cta-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.72);padding:64px 0 26px;margin-top:0}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;letter-spacing:.02em}
.footer-brand{color:#fff;font-size:20px;font-weight:800;margin-bottom:14px}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);max-width:340px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s ease,transform .2s ease;display:inline-block}
.footer-links a:hover{color:var(--c-accent);transform:translateX(4px)}
.footer-info{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}
.footer-info li{display:flex;gap:10px;font-size:14px;line-height:1.7}
.footer-info i{color:var(--c-accent);margin-top:5px;font-size:13px;flex:none}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .side-col{display:none}
  .article-body{padding:30px 24px}
  .cta-box{grid-template-columns:1fr;padding:40px 28px}
  .cta-figure{order:-1}
}
@media (max-width:1023px){
  .nav-wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:0;min-height:66px}
  .brand{order:1;justify-self:flex-start;font-size:18px}
  .nav-toggle{order:2;display:flex}
  .nav-left,.nav-right{
    order:3;flex:0 0 100%;display:none;flex-direction:column;align-items:stretch;
    gap:0;border-top:1px solid var(--c-line);margin-top:12px;padding-top:6px;padding-bottom:10px;
  }
  .site-header.nav-open .nav-left,.site-header.nav-open .nav-right{display:flex}
  .nav-left{order:3}
  .nav-right{order:4;border-top:0;margin-top:0;padding-top:0}
  .nav-link{min-height:56px;display:flex;align-items:center;border-bottom:1px solid var(--c-line);font-size:16px}
  .nav-link::after{display:none}
  .nav-link.active{color:var(--c-primary)}
  .nav-right .btn{margin:14px 0 6px;width:100%}
}
@media (max-width:639px){
  body{font-size:16px}
  .container{padding:0 18px}
  .article-head{padding:20px 0 26px}
  .article-head h1{font-size:28px}
  .section{padding:52px 0}
  .article-body{padding:24px 18px;font-size:16.5px;border-radius:var(--r-md)}
  .article-body h2{margin-top:34px;font-size:22px}
  .rel-card{flex-direction:column;align-items:stretch}
  .rel-card .thumb{width:100%;flex:none}
  .cta-box{border-radius:var(--r-lg);padding:32px 20px}
  .footer-bottom{margin-top:32px}
}

/* roulang page: category1 */
:root{
  --c-primary:#F2542D;
  --c-primary-deep:#C43A16;
  --c-secondary:#0E7C66;
  --c-accent:#FFB03A;
  --c-ink:#1A1A18;
  --c-ink-soft:#4A4F4C;
  --c-bg:#FAF7F2;
  --c-bg-alt:#F2ECE3;
  --c-line:#E6DFD5;
  --c-dark:#141917;
  --grad-main:linear-gradient(135deg,#F2542D 0%,#FF8A3D 55%,#FFB03A 100%);
  --grad-soft:linear-gradient(120deg,#0E7C66,#FFB03A);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --sh-1:0 2px 8px rgba(20,25,23,.06);
  --sh-2:0 12px 32px rgba(20,25,23,.10);
  --sh-3:0 20px 44px rgba(20,25,23,.14);
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  padding:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{
  font-family:inherit;
  color:var(--c-ink);
  margin:0 0 .6em;
  font-weight:700;
  letter-spacing:-.01em;
  line-height:1.3;
}
h1{font-size:clamp(30px,4vw,48px);font-weight:800;line-height:1.18}
h2{font-size:clamp(26px,3vw,38px);font-weight:700;line-height:1.25}
h3{font-size:20px;font-weight:600}
h4{font-size:17px;font-weight:600}
p{margin:0 0 1.2em;line-height:1.85}
ul,ol{margin:0 0 1.2em;padding-left:1.3em}
li{line-height:1.9;margin-bottom:.35em}
a{color:var(--c-primary-deep);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-primary)}
img{max-width:100%;height:auto;display:block}
button,input,select,textarea{font-family:inherit;font-size:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
::selection{background:rgba(255,176,58,.45)}
.container{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:1280px){
  .container{padding-left:32px;padding-right:32px}
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:90;
  background:rgba(250,247,242,.96);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .2s ease,background .2s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 24px rgba(20,25,23,.08)}
.nav-wrap{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:16px;
  min-height:76px;
  height:76px;
}
.brand{
  justify-self:center;
  font-size:21px;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--c-ink);
  white-space:nowrap;
  padding:6px 14px;
  border-radius:999px;
  background:var(--grad-main);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  transition:transform .2s ease;
}
.brand:hover{transform:translateY(-1px)}
.nav-left,.nav-right{display:flex;align-items:center;gap:6px}
.nav-right{justify-content:flex-end;gap:10px}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:0 12px;
  font-size:15px;
  font-weight:500;
  color:var(--c-ink-soft);
  border-radius:var(--r-sm);
  white-space:nowrap;
}
.nav-link:hover{color:var(--c-ink);background:var(--c-bg-alt)}
.nav-link.active{color:var(--c-ink);font-weight:700}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:12px;
  right:12px;
  bottom:6px;
  height:2px;
  border-radius:2px;
  background:var(--c-primary);
}
.nav-toggle{
  display:none;
  width:46px;
  height:46px;
  border:1px solid var(--c-line);
  border-radius:var(--r-sm);
  background:#fff;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  padding:0;
}
.nav-toggle-bar{
  display:block;
  width:20px;
  height:2px;
  border-radius:2px;
  background:var(--c-ink);
  transition:transform .2s ease,opacity .2s ease;
}
.site-header.is-open .nav-toggle-bar:nth-child(1){transform:translateY(7px) rotate(45deg)}
.site-header.is-open .nav-toggle-bar:nth-child(2){opacity:0}
.site-header.is-open .nav-toggle-bar:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:12px 26px;
  border-radius:999px;
  font-size:16px;
  font-weight:700;
  line-height:1.2;
  border:1.5px solid transparent;
  transition:background-position .22s ease,transform .18s ease,box-shadow .22s ease,border-color .2s ease,color .2s ease;
  text-align:center;
}
.btn-primary{
  color:#fff;
  background-image:linear-gradient(135deg,#F2542D 0%,#FF8A3D 50%,#FFB03A 100%);
  background-size:200% 200%;
  background-position:0% 50%;
  box-shadow:var(--sh-2);
}
.btn-primary:hover{
  color:#fff;
  background-position:100% 50%;
  transform:translateY(-2px);
  box-shadow:var(--sh-3);
}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{
  color:var(--c-ink);
  background:transparent;
  border-color:var(--c-ink);
  border-radius:12px;
}
.btn-outline:hover{color:var(--c-secondary);border-color:var(--c-secondary);transform:translateY(-2px)}
.btn-outline:active{transform:translateY(1px)}
.btn-sm{min-height:44px;padding:10px 20px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-weight:600;
  color:var(--c-ink);
  padding-bottom:2px;
  background-image:linear-gradient(var(--c-accent),var(--c-accent));
  background-repeat:no-repeat;
  background-size:0% 2px;
  background-position:0 100%;
  transition:background-size .22s ease,color .2s ease;
}
.link-arrow:hover{color:var(--c-primary-deep);background-size:100% 2px}

/* ============ 徽章与标签 ============ */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  line-height:1;
  padding:5px 12px;
  border-radius:999px;
  font-weight:600;
  white-space:nowrap;
}
.badge::before{
  content:"";
  width:6px;
  height:6px;
  border-radius:50%;
  background:currentColor;
  opacity:.85;
}
.badge-orange{color:#fff;background-image:var(--grad-main)}
.badge-green{color:#fff;background:var(--c-secondary)}
.badge-dark{color:var(--c-accent);background:var(--c-dark)}
.badge-ghost{color:var(--c-ink-soft);background:var(--c-bg-alt);border:1px solid var(--c-line)}

/* ============ 页头横幅 ============ */
.page-banner{
  position:relative;
  overflow:hidden;
  padding:56px 0 52px;
  background-color:var(--c-dark);
  background-image:
    linear-gradient(135deg,rgba(20,25,23,.86),rgba(14,124,102,.72)),
    url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  color:#fff;
}
.page-banner h1{
  color:#fff;
  max-width:820px;
  margin-bottom:.5em;
}
.page-banner-sub{
  max-width:660px;
  color:rgba(255,255,255,.82);
  font-size:17px;
  margin-bottom:1.6em;
}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.66);
  margin-bottom:20px;
}
.crumb a{color:rgba(255,255,255,.82)}
.crumb a:hover{color:var(--c-accent)}
.crumb-current{color:rgba(255,255,255,.62)}
.banner-facts{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:8px;
}
.fact-pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 16px;
  border-radius:var(--r-md);
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,176,58,.5);
  font-size:14px;
  color:#fff;
}
.fact-pill i{color:var(--c-accent)}

/* ============ 区块通用 ============ */
.section{padding:88px 0}
.section-alt{background:var(--c-bg-alt)}
.section-head{max-width:760px;margin-bottom:44px}
.section-head p{color:var(--c-ink-soft);font-size:16px;margin-bottom:0}
.section-head h2{margin-bottom:.45em}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--c-secondary);
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:26px;
  height:3px;
  border-radius:2px;
  background:var(--grad-main);
}

/* ============ 步骤说明区 ============ */
.split-grid{
  display:grid;
  grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:44px;
  align-items:start;
}
.visual-card{
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--c-line);
  box-shadow:var(--sh-1);
  background:#fff;
  margin-bottom:36px;
}
.visual-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.visual-caption{
  padding:14px 18px;
  font-size:13px;
  color:var(--c-ink-soft);
  border-top:1px solid var(--c-line);
  background:#fff;
}

.step-list{list-style:none;margin:0;padding:0}
.step-item{
  position:relative;
  display:grid;
  grid-template-columns:56px 1fr;
  gap:20px;
  padding-bottom:30px;
}
.step-item::after{
  content:"";
  position:absolute;
  left:27px;
  top:60px;
  bottom:6px;
  width:2px;
  background:var(--c-line);
}
.step-item:last-child{padding-bottom:0}
.step-item:last-child::after{display:none}
.step-no{
  width:56px;
  height:56px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:16px;
  font-weight:800;
  color:var(--c-primary-deep);
  background:#fff;
  border:2px solid var(--c-primary);
  box-shadow:0 4px 14px rgba(242,84,45,.18);
}
.step-body h3{margin-bottom:.35em;font-size:20px}
.step-body p{color:var(--c-ink-soft);margin-bottom:.5em;font-size:16px}
.step-tip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--c-secondary);
  background:rgba(14,124,102,.08);
  border-radius:var(--r-sm);
  padding:6px 12px;
}

/* ============ 侧栏快速入口卡 ============ */
.side-wrap{position:sticky;top:100px}
.side-card{
  background:#fff;
  border:1px solid var(--c-line);
  border-left:4px solid var(--c-primary);
  border-radius:var(--r-lg);
  padding:28px 26px;
  box-shadow:var(--sh-1);
}
.side-card h3{font-size:21px;margin-bottom:.4em}
.side-card > p{font-size:15px;color:var(--c-ink-soft)}
.side-list{list-style:none;margin:0 0 22px;padding:0}
.side-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:12px 0;
  border-bottom:1px solid var(--c-line);
  font-size:15px;
  color:var(--c-ink-soft);
  margin:0;
}
.side-list li:last-child{border-bottom:0}
.side-list i{color:var(--c-secondary);margin-top:6px}
.side-note{
  margin-top:18px;
  padding:16px;
  border-radius:var(--r-md);
  background:var(--c-bg-alt);
  font-size:13px;
  color:var(--c-ink-soft);
}
.side-note strong{color:var(--c-ink)}

/* ============ 对照表 ============ */
.table-shell{
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  background:#fff;
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
table.guide-table{
  width:100%;
  min-width:640px;
  border-collapse:collapse;
  margin:0;
  font-size:15px;
}
.guide-table caption{
  text-align:left;
  padding:20px 24px 6px;
  font-size:13px;
  color:var(--c-ink-soft);
}
.guide-table th,.guide-table td{
  padding:16px 22px;
  text-align:left;
  border-bottom:1px solid var(--c-line);
  vertical-align:top;
  line-height:1.75;
}
.guide-table thead th{
  background:var(--c-bg-alt);
  font-weight:700;
  font-size:14px;
  color:var(--c-ink);
  white-space:nowrap;
}
.guide-table tbody tr:nth-child(even){background:#FBF8F4}
.guide-table tbody tr:hover{background:rgba(255,176,58,.12)}
.guide-table tbody tr:last-child td{border-bottom:0}
.guide-table td:first-child{font-weight:600;color:var(--c-primary-deep)}

/* ============ 提示条 ============ */
.notice-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
}
.notice-item{
  display:flex;
  gap:14px;
  align-items:flex-start;
  padding:22px;
  border-radius:var(--r-md);
  background:var(--c-bg-alt);
  border:1px solid var(--c-line);
  transition:transform .2s ease,box-shadow .2s ease;
}
.notice-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.notice-item i{
  font-size:18px;
  color:#fff;
  background-image:var(--grad-soft);
  width:38px;
  height:38px;
  border-radius:12px;
  display:flex;
  align-items:center;
  justify-content:center;
  flex:0 0 38px;
}
.notice-item h4{margin-bottom:.3em;font-size:17px}
.notice-item p{margin:0;font-size:15px;color:var(--c-ink-soft)}

/* ============ 结尾 CTA ============ */
.cta-band{
  border-radius:var(--r-xl);
  padding:52px 44px;
  background:var(--c-dark);
  color:#fff;
  display:grid;
  grid-template-columns:1.4fr 1fr;
  gap:36px;
  align-items:center;
  box-shadow:0 20px 44px rgba(20,25,23,.28);
}
.cta-band h2{color:#fff;font-size:clamp(24px,2.6vw,34px);margin-bottom:.4em}
.cta-band p{color:rgba(255,255,255,.74);margin-bottom:1.4em;font-size:16px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.cta-band .btn-outline{color:#fff;border-color:rgba(255,255,255,.55)}
.cta-band .btn-outline:hover{color:var(--c-accent);border-color:var(--c-accent)}
.cta-media{
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.16);
}
.cta-media img{width:100%;aspect-ratio:4/3;object-fit:cover}

/* ============ FAQ 备用组件 ============ */
.faq-list{display:grid;gap:14px}
.faq-item{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:20px;
  overflow:hidden;
}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  gap:12px;
  padding:18px 22px;
  min-height:56px;
  background:#fff;
  border:0;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--c-ink);
}
.faq-q i.fa-circle-question{color:var(--c-secondary)}
.faq-q .faq-chevron{margin-left:auto;transition:transform .2s ease;color:var(--c-ink-soft)}
.faq-item.is-open .faq-chevron{transform:rotate(180deg)}
.faq-a{
  display:none;
  padding:0 22px 20px;
  background:var(--c-bg-alt);
  color:var(--c-ink-soft);
  font-size:15px;
}
.faq-item.is-open .faq-a{display:block}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-dark);
  color:rgba(255,255,255,.72);
  padding:72px 0 0;
  margin-top:8px;
}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:16px}
.footer-brand{
  font-size:20px;
  font-weight:800;
  color:#fff;
  margin-bottom:14px;
}
.site-footer p{font-size:15px;color:rgba(255,255,255,.72);line-height:1.85}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{
  color:rgba(255,255,255,.72);
  font-size:15px;
  width:fit-content;
  border-bottom:1px solid transparent;
  transition:color .2s ease,border-color .2s ease;
}
.footer-links a:hover{color:var(--c-accent);border-color:var(--c-accent)}
.footer-info{list-style:none;margin:0;padding:0}
.footer-info li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:14px;
  margin-bottom:12px;
  color:rgba(255,255,255,.72);
}
.footer-info i{color:var(--c-accent);margin-top:5px}
.footer-bottom{
  margin-top:48px;
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 26px;
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
  font-size:13px;
  color:rgba(255,255,255,.55);
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .nav-wrap{
    display:flex;
    flex-wrap:wrap;
    justify-content:space-between;
    align-items:center;
    height:auto;
    min-height:68px;
    padding-top:10px;
    padding-bottom:10px;
    gap:8px;
  }
  .brand{order:1;font-size:18px;padding:4px 6px}
  .nav-toggle{display:flex;order:2}
  .nav-left,.nav-right{
    order:3;
    flex-basis:100%;
    width:100%;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    display:none;
    margin-top:6px;
  }
  .site-header.is-open .nav-left,.site-header.is-open .nav-right{display:flex}
  .nav-left{border-top:1px solid var(--c-line)}
  .nav-right{border-top:1px solid var(--c-line);padding-bottom:12px}
  .nav-link{
    min-height:56px;
    padding:0 4px;
    border-bottom:1px solid var(--c-line);
    border-radius:0;
    font-size:16px;
  }
  .nav-right .nav-link:last-of-type{border-bottom:0}
  .nav-link.active::after{left:4px;right:auto;width:34px;bottom:14px}
  .nav-link:hover{background:transparent;color:var(--c-primary-deep)}
  .nav-right .btn{margin-top:14px;width:100%;border-radius:999px}
  .split-grid{grid-template-columns:1fr;gap:32px}
  .side-wrap{position:static;top:auto}
  .notice-grid{grid-template-columns:1fr}
  .cta-band{grid-template-columns:1fr;padding:40px 26px}
  .section{padding:56px 0}
  .page-banner{padding:40px 0 42px}
}
@media (max-width:639px){
  body{font-size:16px}
  .container{padding-left:16px;padding-right:16px}
  .section{padding:48px 0}
  .section-head{margin-bottom:30px}
  .step-item{grid-template-columns:46px 1fr;gap:14px}
  .step-no{width:46px;height:46px;font-size:14px}
  .step-item::after{left:22px;top:50px}
  .visual-caption{font-size:12px}
  .side-card{padding:22px 18px}
  .cta-band{border-radius:var(--r-lg);padding:32px 20px}
  .cta-actions .btn{width:100%}
  .footer-bottom{flex-direction:column;gap:8px}
  .banner-facts{gap:8px}
  .fact-pill{font-size:13px;padding:7px 13px}
}

/* roulang page: category2 */
/* ===================== 设计变量 ===================== */
:root{
  --c-primary:#F2542D;
  --c-primary-deep:#C43A16;
  --c-secondary:#0E7C66;
  --c-accent:#FFB03A;
  --c-ink:#1A1A18;
  --c-ink-soft:#4A4F4C;
  --c-bg:#FAF7F2;
  --c-bg-alt:#F2ECE3;
  --c-line:#E6DFD5;
  --c-dark:#141917;
  --grad-brand:linear-gradient(135deg,#F2542D 0%,#FF8A3D 55%,#FFB03A 100%);
  --grad-aux:linear-gradient(120deg,#0E7C66,#FFB03A);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --sh-1:0 2px 8px rgba(20,25,23,.06);
  --sh-2:0 12px 32px rgba(20,25,23,.10);
  --sh-3:0 20px 44px rgba(20,25,23,.14);
  --container:1200px;
}

/* ===================== 基础重置 ===================== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{margin:0;font-weight:700;line-height:1.28;letter-spacing:-.3px;color:var(--c-ink);}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
a{color:var(--c-primary-deep);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-primary);}
img{max-width:100%;display:block;border:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;font-size:15px;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px;}
::selection{background:rgba(255,176,58,.35);}

/* 覆盖 Foundation 默认外观 */
body,button,input,select,textarea{font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;}
h1{font-size:clamp(32px,4.4vw,56px);font-weight:800;}
h2{font-size:clamp(26px,3vw,38px);}
h3{font-size:20px;}
h4{font-size:17px;}
.button,.button.primary,.button.secondary{background:transparent;color:inherit;box-shadow:none;border:0;padding:0;margin:0;}
.callout{margin:0;padding:0;border:0;background:transparent;color:inherit;}
.grid-container{padding-left:20px;padding-right:20px;}
.grid-x>.cell{min-width:0;}

/* ===================== 容器 ===================== */
.container{width:100%;max-width:var(--container);margin:0 auto;padding-left:20px;padding-right:20px;}
@media (min-width:1280px){
  .container{padding-left:32px;padding-right:32px;}
}

/* ===================== 按钮 ===================== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:16px;font-weight:600;line-height:1;letter-spacing:0;
  border-radius:999px;padding:15px 30px;border:0;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background-position .25s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{
  background-image:var(--grad-brand);
  background-size:200% 100%;
  background-position:0% 0;
  color:#fff;
  box-shadow:var(--sh-2);
}
.btn-primary:hover{background-position:100% 0;color:#fff;transform:translateY(-2px);box-shadow:var(--sh-3);}
.btn-primary:active{transform:translateY(1px);box-shadow:var(--sh-1);}
.btn-ghost{
  background:transparent;border:1.5px solid var(--c-ink);color:var(--c-ink);border-radius:12px;
}
.btn-ghost:hover{border-color:var(--c-secondary);color:var(--c-secondary);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-ghost--light{
  background:transparent;border:1.5px solid rgba(255,255,255,.72);color:#fff;border-radius:12px;
}
.btn-ghost--light:hover{border-color:var(--c-accent);color:var(--c-accent);transform:translateY(-2px);}
.btn-ghost--light:active{transform:translateY(1px);}
.btn-light{background:#fff;color:var(--c-primary-deep);box-shadow:0 12px 32px rgba(0,0,0,.18);}
.btn-light:hover{color:var(--c-primary);transform:translateY(-2px);box-shadow:0 20px 44px rgba(0,0,0,.24);}
.btn-light:active{transform:translateY(1px);}
.btn-sm{padding:11px 22px;font-size:14px;border-radius:999px;}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}

.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:600;color:var(--c-primary-deep);
  position:relative;padding-bottom:2px;
}
.link-arrow::after{
  content:"";position:absolute;left:0;bottom:-2px;height:2px;width:0;
  background:var(--c-accent);transition:width .22s ease;
}
.link-arrow:hover::after{width:calc(100% - 22px);}
.link-arrow i{transition:transform .2s ease;font-size:13px;}
.link-arrow:hover i{transform:translateX(4px);}

/* ===================== 通用标签 ===================== */
.tag{
  display:inline-flex;align-items:center;
  font-size:12.5px;font-weight:600;line-height:1;
  padding:5px 11px;border-radius:999px;
  background:rgba(242,84,45,.10);color:var(--c-primary-deep);
  white-space:nowrap;
}
.tag--green{background:rgba(14,124,102,.12);color:var(--c-secondary);}
.badge-pill{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;line-height:1;
  padding:6px 13px;border-radius:999px;
  background:rgba(14,124,102,.12);color:var(--c-secondary);
  margin-bottom:16px;
}

/* ===================== 导航 ===================== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(250,247,242,.96);
  border-bottom:1px solid transparent;
  transition:box-shadow .22s ease,border-color .22s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 22px rgba(20,25,23,.09);border-bottom-color:var(--c-line);}
.nav-wrap{
  display:grid;grid-template-columns:1fr auto 1fr;
  align-items:center;gap:18px;height:78px;position:relative;
}
.brand{
  font-size:21px;font-weight:800;line-height:1;letter-spacing:-.2px;
  color:var(--c-ink);white-space:nowrap;justify-self:center;
}
.brand:hover{color:var(--c-primary-deep);}
.nav-left,.nav-right{display:flex;align-items:center;}
.nav-left{justify-content:flex-start;gap:22px;}
.nav-right{justify-content:flex-end;gap:16px;}
.nav-link{
  position:relative;font-size:15.5px;font-weight:500;color:var(--c-ink-soft);
  padding:6px 0;white-space:nowrap;transition:color .2s ease;
}
.nav-link:hover{color:var(--c-ink);}
.nav-link.active{color:var(--c-ink);font-weight:700;}
.nav-link.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  border-radius:2px;background:var(--c-primary);
}
.nav-toggle{
  display:none;width:44px;height:44px;padding:0;
  border:1px solid var(--c-line);border-radius:12px;background:#fff;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;
  transition:border-color .2s ease,background .2s ease;
}
.nav-toggle:hover{border-color:var(--c-accent);}
.nav-toggle-bar{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-ink);transition:transform .2s ease,opacity .2s ease;}

@media (max-width:1023px){
  .nav-wrap{
    display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
    height:auto;min-height:68px;padding-top:12px;padding-bottom:12px;gap:0;
  }
  .brand{order:1;font-size:19px;justify-self:flex-start;}
  .nav-toggle{order:2;display:flex;}
  .nav-left,.nav-right{
    order:3;display:none;width:100%;
    flex-direction:column;align-items:stretch;gap:0;
  }
  .nav-right{order:4;}
  .site-header.nav-open .nav-left{display:flex;border-top:1px solid var(--c-line);margin-top:12px;padding-top:4px;}
  .site-header.nav-open .nav-right{display:flex;padding-bottom:14px;}
  .nav-link{
    display:flex;align-items:center;min-height:56px;font-size:16px;
    border-bottom:1px solid var(--c-line);
  }
  .nav-link.active::after{display:none;}
  .nav-right .btn{margin:14px 0 2px;width:100%;}
}

/* ===================== 分类横幅 ===================== */
.cat-banner{position:relative;background:var(--c-dark);overflow:hidden;}
.cat-banner__img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.cat-banner__mask{
  position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(20,25,23,.92) 0%,rgba(196,58,22,.66) 58%,rgba(255,176,58,.42) 100%);
}
.cat-banner__inner{position:relative;z-index:2;padding:76px 0 68px;}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.7);margin-bottom:22px;
}
.crumb a{color:rgba(255,255,255,.82);}
.crumb a:hover{color:var(--c-accent);}
.crumb .sep{opacity:.55;}
.crumb .current{color:#fff;}
.cat-banner h1{
  color:#fff;font-size:clamp(30px,4.4vw,52px);font-weight:800;
  line-height:1.18;letter-spacing:-.8px;max-width:16em;
}
.cat-banner__sub{
  margin-top:18px;max-width:46em;
  font-size:17px;line-height:1.8;color:rgba(255,255,255,.86);
}
.banner-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;line-height:1;padding:7px 14px;border-radius:999px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,176,58,.5);color:#fff;
}
.banner-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.livebar{
  display:inline-flex;align-items:center;gap:10px;margin-top:26px;
  padding:9px 18px;border-radius:999px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);
  font-size:13px;color:rgba(255,255,255,.9);
}
.livebar__dot{
  width:8px;height:8px;border-radius:50%;background:#4ADE80;flex:0 0 auto;
  box-shadow:0 0 0 0 rgba(74,222,128,.7);animation:dotpulse 2s infinite;
}
@keyframes dotpulse{
  0%{box-shadow:0 0 0 0 rgba(74,222,128,.6);}
  70%{box-shadow:0 0 0 10px rgba(74,222,128,0);}
  100%{box-shadow:0 0 0 0 rgba(74,222,128,0);}
}

/* ===================== 板块 ===================== */
.sec{padding:88px 0;}
.sec--alt{background:var(--c-bg-alt);}
.sec--tight{padding-top:64px;padding-bottom:64px;}
.sec-head{max-width:760px;margin-bottom:48px;}
.sec-head h2{font-size:clamp(26px,3vw,38px);line-height:1.25;}
.sec-head h2::after{
  content:"";display:block;width:64px;height:4px;border-radius:3px;
  background:var(--grad-brand);margin-top:16px;
}
.sec-head p{margin-top:14px;font-size:16.5px;color:var(--c-ink-soft);}

/* ===================== 图文交替块 ===================== */
.duo{padding:38px 0;border-bottom:1px dashed var(--c-line);}
.duo:first-of-type{padding-top:0;}
.duo:last-of-type{border-bottom:0;padding-bottom:0;}
.duo__media{overflow:hidden;border-radius:var(--r-lg);box-shadow:var(--sh-1);}
.duo__media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-lg);transition:transform .45s ease;
}
.duo__media:hover img{transform:scale(1.035);}
.duo__body h3{font-size:22px;line-height:1.4;margin-bottom:14px;}
.duo__body p{font-size:16px;color:var(--c-ink-soft);line-height:1.85;margin-bottom:18px;}

/* ===================== 数据卡 ===================== */
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.stat-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:26px 24px;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);}
.stat-card .num{
  font-size:44px;font-weight:800;line-height:1.05;
  font-variant-numeric:tabular-nums;
  background-image:var(--grad-brand);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:var(--c-primary);
}
.stat-card .label{margin-top:12px;font-size:14px;color:var(--c-ink-soft);line-height:1.7;}

/* ===================== 内容卡 ===================== */
.card{
  display:flex;flex-direction:column;height:100%;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);margin-bottom:26px;
  transition:transform .22s ease,box-shadow .22s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);}
.card__media{aspect-ratio:16/9;overflow:hidden;background:var(--c-bg-alt);}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.card:hover .card__media img{transform:scale(1.045);}
.card__body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card__meta{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:13px;color:var(--c-ink-soft);font-variant-numeric:tabular-nums;
}
.card__body h3{font-size:18px;line-height:1.55;}
.card__body p{font-size:15px;color:var(--c-ink-soft);line-height:1.8;margin:0;}
.card__body .link-arrow{margin-top:auto;}

/* ===================== 底部 CTA ===================== */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--r-xl);background-image:var(--grad-brand);
  padding:56px 52px;box-shadow:var(--sh-2);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:32px;
}
.cta-band::after{
  content:"";position:absolute;right:-70px;top:-70px;width:240px;height:240px;
  border-radius:50%;background:rgba(255,255,255,.14);pointer-events:none;
}
.cta-band h2{color:#fff;font-size:clamp(24px,3vw,34px);position:relative;z-index:1;}
.cta-band p{
  margin-top:12px;max-width:44em;font-size:16px;line-height:1.8;
  color:rgba(255,255,255,.92);position:relative;z-index:1;
}
.cta-band .btn{position:relative;z-index:1;flex:0 0 auto;}

/* ===================== 页脚 ===================== */
.site-footer{
  background:var(--c-dark);color:rgba(255,255,255,.72);
  padding:72px 0 0;margin-top:0;
}
.site-footer .cell{margin-bottom:34px;}
.footer-brand{font-size:20px;font-weight:800;color:#fff;margin-bottom:14px;letter-spacing:-.2px;}
.site-footer p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.72);}
.site-footer h4{color:#fff;font-size:16px;font-weight:600;margin-bottom:18px;}
.footer-links{display:flex;flex-direction:column;gap:12px;}
.footer-links a{color:rgba(255,255,255,.72);font-size:14.5px;}
.footer-links a:hover{color:var(--c-accent);}
.footer-info{display:flex;flex-direction:column;gap:12px;}
.footer-info li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:rgba(255,255,255,.72);line-height:1.75;}
.footer-info i{color:var(--c-accent);margin-top:.45em;flex:0 0 auto;}
.footer-bottom{
  margin-top:22px;border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13.5px;color:rgba(255,255,255,.56);font-variant-numeric:tabular-nums;
}

/* ===================== 响应式 ===================== */
@media (max-width:1023px){
  .sec{padding:64px 0;}
  .sec--tight{padding-top:52px;padding-bottom:52px;}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .duo{padding:30px 0;}
  .duo__media{margin-bottom:26px;}
  .duo__body h3{font-size:20px;}
  .cta-band{padding:44px 32px;border-radius:var(--r-lg);}
}
@media (max-width:767px){
  body{font-size:16px;}
  .sec{padding:52px 0;}
  .cat-banner__inner{padding:52px 0 48px;}
  .cat-banner__sub{font-size:15.5px;}
  .sec-head{margin-bottom:34px;}
  .stat-card{padding:22px 20px;}
  .stat-card .num{font-size:34px;}
  .card{margin-bottom:22px;}
  .cta-band{padding:36px 24px;gap:24px;}
  .cta-band .btn{width:100%;}
}
@media (max-width:520px){
  .container{padding-left:16px;padding-right:16px;}
  .brand{font-size:17px;}
  .stat-grid{grid-template-columns:1fr;gap:14px;}
  .banner-actions .btn{width:100%;}
  .livebar{font-size:12.5px;padding:8px 14px;}
}

/* roulang page: category3 */
:root{
  --c-primary:#F2542D;
  --c-primary-deep:#C43A16;
  --c-secondary:#0E7C66;
  --c-accent:#FFB03A;
  --c-ink:#1A1A18;
  --c-ink-soft:#4A4F4C;
  --c-bg:#FAF7F2;
  --c-bg-alt:#F2ECE3;
  --c-line:#E6DFD5;
  --c-dark:#141917;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --sh-1:0 2px 8px rgba(20,25,23,.06);
  --sh-2:0 12px 32px rgba(20,25,23,.10);
  --sh-3:0 20px 44px rgba(20,25,23,.14);
  --grad-main:linear-gradient(135deg,#F2542D 0%,#FF8A3D 55%,#FFB03A 100%);
  --grad-aux:linear-gradient(120deg,#0E7C66,#FFB03A);
  --t:190ms ease;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-ink);text-decoration:none;background-color:transparent;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4,h5{margin:0 0 .6em;line-height:1.25;letter-spacing:-.01em;font-weight:700;color:var(--c-ink);}
h1{font-size:clamp(32px,4.4vw,56px);font-weight:800;line-height:1.18;}
h2{font-size:clamp(24px,2.8vw,34px);font-weight:700;line-height:1.25;}
h3{font-size:21px;font-weight:600;}
h4{font-size:17px;font-weight:600;}
p{margin:0 0 1.2em;}
ul,ol{margin:0 0 1.2em;padding-left:1.3em;}
[hidden]{display:none !important;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media(min-width:1280px){.container{padding:0 32px;}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(250,247,242,.92);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow var(--t),background-color var(--t);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:4px;
  background:rgba(250,247,242,.92);opacity:0;transition:opacity var(--t);pointer-events:none;
}
.site-header.is-scrolled{box-shadow:0 10px 28px rgba(20,25,23,.10);background:rgba(250,247,242,.97);}
.site-header.is-scrolled::after{opacity:1;}
.site-header.is-open{background:var(--c-bg);box-shadow:var(--sh-1);}

.nav-wrap{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  column-gap:18px;
  min-height:76px;
  position:relative;
}
.nav-left{display:flex;align-items:center;gap:20px;justify-self:start;}
.nav-right{display:flex;align-items:center;gap:16px;justify-self:end;}

.brand{
  justify-self:center;
  display:inline-flex;align-items:center;gap:9px;
  font-size:21px;font-weight:800;letter-spacing:-.02em;
  color:var(--c-ink);white-space:nowrap;
}
.brand::before{content:"";width:12px;height:26px;border-radius:6px;background:var(--grad-main);box-shadow:var(--sh-1);}
.brand:hover{color:var(--c-primary-deep);}

.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  min-height:44px;padding:0 2px;
  font-size:15px;color:var(--c-ink-soft);
  transition:color var(--t);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:12px;height:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease;
}
.nav-link:hover{color:var(--c-ink);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--c-ink);font-weight:600;}
.nav-link.active::after{transform:scaleX(1);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1.2;text-align:center;
  border:1.5px solid transparent;cursor:pointer;
  transition:transform var(--t),box-shadow var(--t),background-color var(--t),color var(--t),border-color var(--t),background-position .26s ease;
}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}
.btn-primary{color:#fff;background-image:var(--grad-main);background-size:200% 100%;background-position:0% 50%;box-shadow:var(--sh-2);}
.btn-primary:hover{color:#fff;background-position:100% 50%;box-shadow:var(--sh-3);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;border-color:var(--c-ink);color:var(--c-ink);}
.btn-ghost:hover{border-color:var(--c-secondary);color:var(--c-secondary);background:transparent;}
.btn-ghost:active{transform:translateY(1px);}
.btn.is-disabled,.btn[disabled]{opacity:.4;pointer-events:none;}

.nav-toggle{
  display:none;width:46px;height:46px;padding:0;
  border:1px solid var(--c-line);border-radius:12px;background:#fff;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer;
}
.nav-toggle-bar{width:20px;height:2px;border-radius:2px;background:var(--c-ink);transition:transform .2s ease,opacity .2s ease;}
.site-header.is-open .nav-toggle-bar:nth-child(1){transform:translateY(7px) rotate(45deg);}
.site-header.is-open .nav-toggle-bar:nth-child(2){opacity:0;}
.site-header.is-open .nav-toggle-bar:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- page head ---------- */
.page-head{
  padding:44px 0 36px;
  background:linear-gradient(180deg,#FFF6EC 0%,var(--c-bg) 100%);
  border-bottom:1px solid var(--c-line);
}
@media(min-width:1024px){.page-head{padding:72px 0 52px;}}

.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-soft);margin-bottom:18px;}
.breadcrumb a{color:var(--c-ink-soft);transition:color var(--t);}
.breadcrumb a:hover{color:var(--c-primary-deep);}
.breadcrumb .sep{color:#C9C0B4;}
.breadcrumb .current{color:var(--c-ink);font-weight:600;}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--c-secondary);
  background:rgba(14,124,102,.08);border:1px solid rgba(14,124,102,.22);
  border-radius:999px;padding:5px 12px;margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-secondary);}

.page-head h1{margin-bottom:14px;}
.page-head .lede{font-size:17px;color:var(--c-ink-soft);max-width:640px;margin:0;}

/* ---------- search ---------- */
.faq-search{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:18px;box-shadow:var(--sh-1);margin-top:22px;
}
@media(min-width:1024px){.faq-search{margin-top:0;}}
.search-label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;}
.search-box{position:relative;display:flex;align-items:center;}
.search-box .search-icon{position:absolute;left:14px;color:var(--c-secondary);font-size:15px;pointer-events:none;}
.search-box input[type=search]{
  width:100%;height:48px;margin:0;
  border:1px solid var(--c-line);border-radius:12px;background:var(--c-bg);
  padding:0 44px 0 40px;font-size:15px;
  transition:border-color var(--t),box-shadow var(--t),background-color var(--t);
}
.search-box input[type=search]::-webkit-search-cancel-button{display:none;}
.search-box input[type=search]:focus{outline:none;border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(255,176,58,.28);background:#fff;}
.search-clear{
  position:absolute;right:8px;width:32px;height:32px;border:none;border-radius:50%;
  background:var(--c-bg-alt);color:var(--c-ink-soft);cursor:pointer;font-size:16px;line-height:1;
}
.search-clear:hover{background:var(--c-line);color:var(--c-ink);}
.search-hint{margin:10px 0 0;font-size:13px;color:var(--c-ink-soft);}

/* ---------- status strip ---------- */
.status-strip{background:var(--c-dark);color:rgba(255,255,255,.75);font-size:13.5px;}
.status-inner{display:flex;flex-wrap:wrap;align-items:center;gap:10px;min-height:48px;padding-top:6px;padding-bottom:6px;}
.status-dot{width:8px;height:8px;border-radius:50%;background:#39D98A;box-shadow:0 0 0 4px rgba(57,217,138,.18);flex:0 0 auto;}
.status-strip .sep{color:rgba(255,255,255,.3);}
.status-strip strong{color:#fff;font-weight:600;}

/* ---------- sections ---------- */
.section{padding:48px 0;}
@media(min-width:1024px){.section{padding:88px 0;}}
.section-head{max-width:680px;margin-bottom:28px;}
.section-head h2{margin-bottom:10px;}
.section-head p{color:var(--c-ink-soft);font-size:16px;margin:0;}

.faq-group + .faq-group{margin-top:36px;}
.group-title{
  display:flex;align-items:center;gap:12px;
  font-size:20px;font-weight:700;margin:0 0 18px;
}
.group-title::before{content:"";width:22px;height:4px;border-radius:2px;background:var(--grad-main);flex:0 0 auto;}
.group-title small{font-size:13px;font-weight:500;color:var(--c-ink-soft);}

.faq-list{display:grid;gap:14px;}

.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:20px;
  box-shadow:var(--sh-1);overflow:hidden;
  transition:box-shadow var(--t),border-color var(--t);
}
.faq-item:hover{box-shadow:var(--sh-2);}
.faq-item[open]{box-shadow:var(--sh-2);border-color:#F3D6C7;}
.faq-item summary{
  display:flex;align-items:center;gap:14px;
  min-height:60px;padding:16px 20px;
  cursor:pointer;list-style:none;font-size:16.5px;font-weight:600;line-height:1.55;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::marker{content:"";}
.q-icon{
  flex:0 0 auto;width:30px;height:30px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(14,124,102,.10);color:var(--c-secondary);font-size:13px;
}
.q-text{flex:1 1 auto;}
.q-arrow{flex:0 0 auto;color:var(--c-ink-soft);font-size:13px;transition:transform .2s ease,color var(--t);}
.faq-item[open] .q-arrow{transform:rotate(180deg);color:var(--c-primary);}
.faq-body{
  margin:0 12px 12px;padding:16px 18px 18px;
  background:var(--c-bg-alt);border-radius:14px;
  font-size:15.5px;color:var(--c-ink-soft);line-height:1.85;
}
.faq-body p{margin-bottom:10px;}
.faq-body p:last-child{margin-bottom:0;}
.faq-body ol,.faq-body ul{margin:0 0 10px;padding-left:1.25em;}
.faq-body li{margin-bottom:6px;}
.faq-body strong{color:var(--c-ink);}

.faq-empty{
  text-align:center;padding:48px 20px;background:#fff;border:1px dashed var(--c-line);
  border-radius:var(--r-lg);color:var(--c-ink-soft);
}
.faq-empty i{display:block;font-size:28px;color:var(--c-accent);margin-bottom:12px;}
.faq-empty p{margin:0 0 8px;font-size:15px;}
.faq-empty a{color:var(--c-primary-deep);font-weight:600;}

/* ---------- support card ---------- */
.support-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;
}
.support-media{aspect-ratio:16/9;background:var(--c-bg-alt);}
.support-media img{width:100%;height:100%;object-fit:cover;}
.support-body{padding:22px;}
.support-body h3{font-size:19px;margin-bottom:8px;}
.support-body > p{font-size:14.5px;color:var(--c-ink-soft);margin-bottom:18px;}
.support-list{list-style:none;margin:0 0 18px;padding:0;display:grid;gap:14px;}
.support-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--c-ink-soft);line-height:1.7;}
.support-list i{
  flex:0 0 auto;width:32px;height:32px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(242,84,45,.10);color:var(--c-primary);font-size:13px;margin-top:2px;
}
.support-list b{display:block;color:var(--c-ink);font-size:14px;font-weight:600;}
.support-note{
  font-size:13px;line-height:1.7;color:var(--c-ink-soft);
  background:var(--c-bg-alt);border-radius:12px;padding:12px 14px;margin-bottom:16px;
}
.support-body .btn{width:100%;}
@media(min-width:1024px){.support-sticky{position:sticky;top:104px;}}

/* ---------- dark cta ---------- */
.dark-cta-section{padding:0 0 56px;}
@media(min-width:1024px){.dark-cta-section{padding:0 0 88px;}}
.dark-cta{
  position:relative;overflow:hidden;
  background:var(--c-dark);color:#fff;border-radius:var(--r-xl);
  padding:30px 24px;display:flex;flex-wrap:wrap;gap:20px;
  align-items:center;justify-content:space-between;
  box-shadow:0 20px 44px rgba(0,0,0,.28);
}
.dark-cta::after{
  content:"";position:absolute;right:-70px;top:-70px;width:230px;height:230px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,176,58,.30),transparent 65%);
}
.dark-cta h2{color:#fff;font-size:clamp(22px,2.4vw,30px);margin-bottom:8px;}
.dark-cta p{color:rgba(255,255,255,.72);margin:0;font-size:15px;max-width:620px;}
.dark-cta .btn{position:relative;z-index:1;}
@media(max-width:639px){.dark-cta .btn{width:100%;}}

/* ---------- footer ---------- */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.72);padding:56px 0 0;}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:16px;}
.footer-brand{display:inline-flex;align-items:center;gap:9px;color:#fff;font-size:20px;font-weight:800;margin-bottom:14px;}
.footer-brand::before{content:"";width:10px;height:22px;border-radius:5px;background:var(--grad-main);}
.site-footer p{font-size:14.5px;line-height:1.85;max-width:330px;margin-bottom:0;}
.footer-links{display:grid;gap:10px;}
.footer-links a{color:rgba(255,255,255,.72);font-size:14.5px;transition:color var(--t),transform var(--t);}
.footer-links a:hover{color:var(--c-accent);transform:translateX(3px);}
.footer-info{list-style:none;margin:0;padding:0;display:grid;gap:12px;}
.footer-info li{display:flex;gap:10px;align-items:flex-start;font-size:14px;line-height:1.7;}
.footer-info i{color:var(--c-accent);margin-top:6px;font-size:13px;}
.footer-bottom{
  margin-top:40px;border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}
.site-footer .cell{margin-bottom:32px;}

/* ---------- mobile nav ---------- */
@media(max-width:1023.98px){
  .nav-wrap{grid-template-columns:1fr auto;min-height:68px;column-gap:12px;}
  .brand{grid-column:1;grid-row:1;justify-self:start;font-size:18px;white-space:normal;}
  .brand::before{width:9px;height:20px;border-radius:5px;}
  .nav-toggle{display:inline-flex;grid-column:2;grid-row:1;justify-self:end;}
  .nav-left,.nav-right{display:none;grid-column:1/-1;}
  .site-header.is-open .nav-left{
    display:flex;flex-direction:column;align-items:stretch;gap:0;
    border-top:1px solid var(--c-line);padding-top:6px;margin-top:12px;
  }
  .site-header.is-open .nav-right{
    display:flex;flex-direction:column;align-items:stretch;gap:0;padding-bottom:18px;
  }
  .site-header.is-open .nav-link{
    min-height:56px;padding:0 2px;font-size:16px;justify-content:flex-start;
    border-bottom:1px solid var(--c-line);
  }
  .site-header.is-open .nav-link::after{display:none;}
  .site-header.is-open .nav-right .btn{width:100%;margin-top:16px;min-height:48px;}
}

@media(max-width:639px){
  .page-head{padding:36px 0 28px;}
  .section{padding:48px 0;}
  .faq-item summary{font-size:15.5px;padding:14px 16px;gap:10px;}
  .faq-body{margin:0 10px 10px;padding:14px 15px 16px;font-size:15px;}
  .group-title{font-size:18px;}
  .dark-cta{border-radius:var(--r-lg);padding:26px 20px;}
  .footer-bottom{justify-content:flex-start;}
}