/* roulang page: index */
:root{
  --color-primary:#FF5A2B;
  --color-primary-dark:#E94A1C;
  --color-accent:#12B886;
  --color-highlight:#FFCE3A;
  --color-ink:#0D1113;
  --color-bg:#F6F5F2;
  --color-card:#FFFFFF;
  --color-text:#1A1D1F;
  --color-muted:#5C6469;
  --color-line:#E3E1DB;
  --radius-card:14px;
  --radius-lg:18px;
  --radius-btn:10px;
  --radius-pill:999px;
  --shadow-card:0 2px 6px rgba(13,17,19,.05),0 12px 28px -18px rgba(13,17,19,.22);
  --shadow-hover:0 6px 14px rgba(13,17,19,.08),0 22px 42px -20px rgba(13,17,19,.32);
  --transition:200ms ease;
  --font-body:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:"Barlow Condensed","Oswald","Arial Narrow",Arial,sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;font-family:var(--font-body);background:var(--color-bg);color:var(--color-text);font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--transition);}
a:hover{color:var(--color-primary);}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
*:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px;border-radius:4px;}
::selection{background:rgba(255,90,43,.22);}
.container{width:100%;max-width:1240px;margin:0 auto;padding-left:20px;padding-right:20px;}

/* ---------- header ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1040;background:rgba(13,17,19,.38);-webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);border-bottom:1px solid rgba(255,255,255,.14);transition:background var(--transition),box-shadow var(--transition);}
.site-header.is-scrolled{background:rgba(13,17,19,.96);border-bottom-color:rgba(255,255,255,.08);box-shadow:0 12px 30px -20px rgba(0,0,0,.9);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px;transition:height var(--transition);}
.site-header.is-scrolled .header-inner{height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{width:34px;height:34px;border-radius:9px;background:var(--color-primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:17px;letter-spacing:.02em;}
.brand-text{color:#fff;font-weight:800;font-size:18px;letter-spacing:-.01em;line-height:1;}
.brand-text:hover{color:#fff;}
.main-nav{display:flex;align-items:center;gap:30px;}
.main-nav a{position:relative;color:rgba(255,255,255,.82);font-size:15px;font-weight:600;padding:6px 0;}
.main-nav a::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--color-primary);transition:width var(--transition);}
.main-nav a:hover{color:#fff;}
.main-nav a:hover::after{width:100%;}
.main-nav a.active{color:#fff;}
.main-nav a.active::after{width:100%;}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.search-btn{width:44px;height:44px;border-radius:var(--radius-btn);border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.06);color:#fff;display:flex;align-items:center;justify-content:center;transition:background var(--transition),border-color var(--transition);}
.search-btn:hover{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.4);}
.btn-primary-custom{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border:1px solid transparent;border-radius:var(--radius-btn);background:var(--color-primary);color:#fff;font-size:15px;font-weight:700;box-shadow:0 10px 24px -14px rgba(255,90,43,.95);transition:background var(--transition),transform var(--transition),box-shadow var(--transition),color var(--transition);}
.btn-primary-custom:hover{background:var(--color-primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 18px 32px -14px rgba(255,90,43,1);}
.btn-primary-custom:active{transform:translateY(0);}
.btn-ghost-custom{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border:1px solid rgba(255,255,255,.36);border-radius:var(--radius-btn);background:transparent;color:#fff;font-size:15px;font-weight:700;transition:background var(--transition),border-color var(--transition),transform var(--transition);}
.btn-ghost-custom:hover{background:rgba(255,90,43,.16);border-color:var(--color-primary);color:#fff;transform:translateY(-2px);}
.menu-toggle{display:none;width:44px;height:44px;border-radius:var(--radius-btn);border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.06);color:#fff;}
.drawer-backdrop{position:fixed;inset:0;background:rgba(13,17,19,.6);opacity:0;visibility:hidden;transition:opacity var(--transition),visibility var(--transition);z-index:1050;}
.drawer-backdrop.is-open{opacity:1;visibility:visible;}
.mobile-drawer{position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);background:var(--color-ink);z-index:1060;transform:translateX(102%);transition:transform 220ms ease;display:flex;flex-direction:column;padding:96px 24px 24px;gap:6px;}
.mobile-drawer.is-open{transform:translateX(0);}
.mobile-drawer a{color:rgba(255,255,255,.86);font-size:16px;font-weight:600;padding:14px 4px;border-bottom:1px solid rgba(255,255,255,.1);}
.mobile-drawer a.active{color:var(--color-primary);}
.drawer-cta{margin-top:auto;display:flex;align-items:center;justify-content:center;height:48px;border-radius:var(--radius-btn);background:var(--color-primary);color:#fff !important;font-weight:700;border-bottom:none !important;}
.drawer-close{position:absolute;top:22px;right:20px;width:44px;height:44px;border-radius:var(--radius-btn);border:1px solid rgba(255,255,255,.2);background:transparent;color:#fff;}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--color-ink);color:#fff;padding:150px 0 0;overflow:hidden;}
.hero-bg{position:absolute;inset:0;background-image:url("/assets/images/backpic/back-1.webp");background-size:cover;background-position:center;opacity:.3;}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(105deg,rgba(13,17,19,.97) 0%,rgba(13,17,19,.86) 46%,rgba(13,17,19,.55) 100%);}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:48px;align-items:center;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--color-highlight);border:1px solid rgba(255,206,58,.4);background:rgba(255,206,58,.1);border-radius:var(--radius-pill);padding:6px 14px;margin-bottom:20px;}
.hero h1{font-size:clamp(32px,5vw,54px);font-weight:800;letter-spacing:-.02em;line-height:1.2;color:#fff;}
.hero-sub{margin-top:18px;font-size:17px;color:rgba(255,255,255,.78);max-width:520px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.trust-list{display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:30px;}
.trust-list li{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.72);}
.trust-list i{color:var(--color-accent);}
.hero-visual{position:relative;}
.hero-visual img{border-radius:var(--radius-lg);width:100%;object-fit:cover;aspect-ratio:4/3;box-shadow:0 30px 60px -30px rgba(0,0,0,.9);}
.visual-deco{position:absolute;left:-14px;bottom:-14px;width:130px;height:130px;border-left:3px solid var(--color-primary);border-bottom:3px solid var(--color-primary);border-radius:0 0 0 var(--radius-lg);pointer-events:none;}
.hero-stats{position:relative;z-index:2;margin-top:70px;display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid rgba(255,255,255,.14);}
.stat{padding:26px 22px 34px;border-right:1px solid rgba(255,255,255,.1);}
.stat:last-child{border-right:none;}
.stat-num{font-family:var(--font-num);font-size:clamp(34px,4vw,52px);font-weight:700;line-height:1;letter-spacing:.01em;}
.stat:nth-child(odd) .stat-num{color:var(--color-primary);}
.stat:nth-child(even) .stat-num{color:var(--color-accent);}
.stat-label{font-size:13px;color:rgba(255,255,255,.66);margin-top:8px;}

/* ---------- sections ---------- */
.section{padding:88px 0;}
.section-alt{background:#fff;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{position:relative;padding-left:20px;font-size:clamp(24px,3vw,34px);font-weight:700;letter-spacing:-.01em;line-height:1.3;color:var(--color-text);margin-bottom:12px;}
.section-head h2::before{content:"";position:absolute;left:0;top:.46em;width:8px;height:8px;border-radius:2px;background:var(--color-primary);}
.section-head p{color:var(--color-muted);font-size:16px;}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.link-more{font-weight:700;font-size:15px;color:var(--color-primary);display:inline-flex;align-items:center;gap:6px;position:relative;padding-bottom:2px;}
.link-more::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--color-primary);transition:width var(--transition);}
.link-more:hover::after{width:100%;}
.tag{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--radius-pill);background:rgba(255,90,43,.1);color:var(--color-primary-dark);font-size:13px;font-weight:700;}
.tag-accent{background:rgba(18,184,134,.12);color:#0b8a63;}
.tag-ink{background:rgba(13,17,19,.07);color:var(--color-muted);}

/* ---------- services ---------- */
.service-list{border-top:1px solid var(--color-line);}
.service-row{position:relative;display:grid;grid-template-columns:88px minmax(0,1fr) 250px;gap:28px;align-items:center;padding:28px 22px 28px 0;border-bottom:1px solid var(--color-line);transition:transform var(--transition),background var(--transition);}
.service-row::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--color-primary);opacity:0;transition:opacity var(--transition);}
.service-row:hover{transform:translateX(4px);background:rgba(255,90,43,.045);}
.service-row:hover::before{opacity:1;}
.service-num{font-family:var(--font-num);font-size:52px;font-weight:700;line-height:1;color:rgba(13,17,19,.14);transition:color var(--transition);}
.service-row:hover .service-num{color:var(--color-primary);}
.service-row h3{font-size:20px;font-weight:700;margin-bottom:6px;}
.service-row p{font-size:15px;line-height:1.7;color:var(--color-muted);}
.service-meta{font-size:13px;color:var(--color-muted);border-left:2px solid var(--color-line);padding-left:14px;}
.service-meta strong{display:block;font-family:var(--font-num);font-size:22px;color:var(--color-accent);line-height:1.4;}

/* ---------- stats band ---------- */
.band{background:var(--color-ink);color:#fff;}
.band-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;padding:66px 0;}
.band-item{border-left:2px solid rgba(255,255,255,.12);padding-left:20px;}
.band-num{font-family:var(--font-num);font-size:clamp(34px,4vw,50px);font-weight:700;line-height:1;}
.band-item:nth-child(odd) .band-num{color:var(--color-primary);}
.band-item:nth-child(even) .band-num{color:var(--color-accent);}
.band-label{margin-top:10px;font-size:13px;color:rgba(255,255,255,.66);}

/* ---------- cases ---------- */
.case-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:start;}
.case-card{background:var(--color-card);border:1px solid var(--color-line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-card);transition:transform var(--transition),box-shadow var(--transition);}
.case-card:nth-child(2){margin-top:52px;}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.case-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.case-body{padding:26px 26px 30px;}
.case-body h3{font-size:18px;font-weight:700;margin:14px 0 10px;line-height:1.5;}
.case-body p{font-size:15px;color:var(--color-muted);line-height:1.7;}
.case-metrics{display:flex;gap:28px;margin-top:20px;border-top:1px solid var(--color-line);padding-top:16px;}
.case-metrics strong{display:block;font-family:var(--font-num);font-size:26px;color:var(--color-primary);line-height:1.2;}
.case-metrics span{font-size:13px;color:var(--color-muted);}

/* ---------- news (cms) ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.news-card{background:var(--color-card);border:1px solid var(--color-line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);display:flex;flex-direction:column;transition:transform var(--transition),box-shadow var(--transition);}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.news-thumb{display:block;}
.news-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.news-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-body h3{font-size:17px;font-weight:700;line-height:1.55;}
.news-body h3 a:hover{color:var(--color-primary);}
.news-body p{font-size:15px;line-height:1.7;color:var(--color-muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{margin-top:auto;display:flex;align-items:center;gap:14px;font-size:13px;color:var(--color-muted);border-top:1px solid var(--color-line);padding-top:14px;}
.news-meta span{display:flex;align-items:center;gap:6px;}
.empty-state{border:1px dashed var(--color-line);border-radius:var(--radius-card);background:#fff;min-height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;color:var(--color-muted);font-size:15px;}
.empty-state i{font-size:26px;color:var(--color-line);}

/* ---------- plan ---------- */
.plan-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:32px;align-items:stretch;}
.plan-card{background:var(--color-card);border:1px solid var(--color-line);border-radius:var(--radius-lg);padding:34px;box-shadow:var(--shadow-card);}
.plan-card h3{font-size:20px;font-weight:700;margin-bottom:18px;}
.plan-list li{position:relative;padding-left:26px;margin-bottom:14px;font-size:15px;color:var(--color-muted);line-height:1.7;}
.plan-list li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:2px;background:var(--color-primary);}
.plan-card-dark{background:var(--color-ink);border-color:rgba(255,255,255,.1);color:#fff;}
.plan-card-dark h3{color:#fff;}
.deliver-list li{display:flex;justify-content:space-between;gap:16px;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.12);font-size:15px;color:rgba(255,255,255,.8);}
.deliver-list li:last-child{border-bottom:none;}
.deliver-list strong{color:var(--color-accent);font-weight:700;white-space:nowrap;}
.plan-note{margin-top:22px;font-size:14px;color:rgba(255,255,255,.6);border-left:3px solid var(--color-primary);padding-left:14px;}

/* ---------- faq ---------- */
.faq-wrap{max-width:880px;}
.faq-item{position:relative;padding:22px 0 22px 20px;border-bottom:1px solid var(--color-line);}
.faq-item::before{content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;border-radius:2px;background:var(--color-primary);opacity:0;transition:opacity var(--transition);}
.faq-item[open]::before{opacity:1;}
.faq-item summary{list-style:none;display:flex;align-items:flex-start;justify-content:space-between;gap:18px;font-size:17px;font-weight:700;cursor:pointer;color:var(--color-text);}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;font-size:13px;color:var(--color-primary);flex:0 0 auto;margin-top:5px;transition:transform var(--transition);}
.faq-item[open] summary::after{content:"\f068";}
.faq-item p{margin-top:12px;font-size:15px;color:var(--color-muted);line-height:1.8;max-width:760px;}

/* ---------- contact ---------- */
.contact-section{background:#fff;border-top:1px solid var(--color-line);}
.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px;}
.contact-info h2{position:relative;padding-left:20px;font-size:clamp(24px,3vw,32px);font-weight:700;margin-bottom:16px;}
.contact-info h2::before{content:"";position:absolute;left:0;top:.46em;width:8px;height:8px;border-radius:2px;background:var(--color-primary);}
.contact-info>p{font-size:16px;color:var(--color-muted);max-width:420px;}
.contact-points{margin-top:26px;display:flex;flex-direction:column;gap:16px;}
.contact-points li{display:flex;gap:14px;align-items:flex-start;}
.contact-points i{width:38px;height:38px;flex:0 0 auto;border-radius:10px;background:rgba(255,90,43,.1);color:var(--color-primary-dark);display:flex;align-items:center;justify-content:center;}
.contact-points strong{display:block;font-size:15px;}
.contact-points span{font-size:14px;color:var(--color-muted);}
.contact-form{background:var(--color-bg);border:1px solid var(--color-line);border-radius:var(--radius-lg);padding:30px;box-shadow:var(--shadow-card);}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:700;margin-bottom:8px;}
.field input,.field select,.field textarea{width:100%;height:44px;border:1px solid var(--color-line);border-radius:var(--radius-btn);background:#fff;padding:0 14px;font-size:15px;color:var(--color-text);font-family:inherit;transition:border-color var(--transition),box-shadow var(--transition);}
.field textarea{height:110px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 4px rgba(255,90,43,.16);}
.form-submit{width:100%;height:48px;border:none;border-radius:var(--radius-btn);background:var(--color-primary);color:#fff;font-size:16px;font-weight:700;transition:background var(--transition),transform var(--transition);}
.form-submit:hover{background:var(--color-primary-dark);transform:translateY(-2px);}
.form-submit:active{transform:translateY(0);}
.form-privacy{margin-top:14px;font-size:13px;color:var(--color-muted);}
.form-msg{margin-top:14px;font-size:14px;font-weight:700;color:var(--color-accent);display:none;}
.form-msg.is-show{display:block;}

/* ---------- footer ---------- */
.site-footer{background:var(--color-ink);color:rgba(255,255,255,.72);padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:52px;}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:320px;}
.footer-col h3{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;}
.footer-col li{margin-bottom:12px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.68);}
.footer-col a:hover{color:var(--color-primary);}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.68);margin-bottom:12px;}
.footer-contact i{color:var(--color-primary);margin-top:5px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0 30px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5);}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .container{max-width:960px;}
  .service-row{grid-template-columns:70px minmax(0,1fr) 200px;gap:22px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
}
@media (max-width:991px){
  .container{max-width:100%;}
  .main-nav,.search-btn{display:none;}
  .menu-toggle{display:flex;align-items:center;justify-content:center;}
  .hero{padding-top:132px;}
  .hero-inner{grid-template-columns:1fr;gap:36px;}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .stat{border-bottom:1px solid rgba(255,255,255,.1);padding:22px 18px 26px;}
  .stat:nth-child(2n){border-right:none;}
  .band-inner{grid-template-columns:repeat(2,1fr);gap:26px;padding:52px 0;}
  .case-grid{grid-template-columns:1fr;}
  .case-card:nth-child(2){margin-top:0;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .plan-grid{grid-template-columns:1fr;}
  .contact-grid{grid-template-columns:1fr;gap:34px;}
  .section{padding:64px 0;}
}
@media (max-width:767px){
  .header-actions .btn-primary-custom{display:none;}
  .service-row{grid-template-columns:56px minmax(0,1fr);gap:16px;padding:22px 0;}
  .service-num{font-size:38px;}
  .service-meta{grid-column:1/-1;border-left:none;border-top:1px solid var(--color-line);padding:12px 0 0;display:flex;align-items:baseline;gap:10px;}
  .service-meta strong{font-size:18px;}
  .news-grid{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:520px){
  .container{padding-left:16px;padding-right:16px;}
  .hero{padding-top:118px;}
  .hero-cta{flex-direction:column;align-items:stretch;}
  .hero-cta .btn-primary-custom,.hero-cta .btn-ghost-custom{width:100%;}
  .hero-stats{grid-template-columns:1fr;}
  .stat{border-right:none;}
  .band-inner{grid-template-columns:1fr;}
  .case-metrics{flex-direction:column;gap:14px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .contact-form{padding:22px;}
}

/* roulang page: article */
:root{
  --brand:#FF5A2B;
  --brand-dark:#E94A1C;
  --brand-soft:rgba(255,90,43,.08);
  --accent:#12B886;
  --highlight:#FFCE3A;
  --ink:#0D1113;
  --ink-scroll:rgba(13,17,19,.96);
  --ink-glass:rgba(13,17,19,.38);
  --page:#F6F5F2;
  --surface:#FFFFFF;
  --text:#1A1D1F;
  --muted:#5C6469;
  --line:#E3E1DB;
  --r-card:14px;
  --r-lg:18px;
  --r-btn:10px;
  --shadow-card:0 2px 6px rgba(13,17,19,.05),0 12px 28px -18px rgba(13,17,19,.22);
  --shadow-hover:0 4px 10px rgba(13,17,19,.08),0 22px 40px -20px rgba(13,17,19,.30);
  --dur:200ms;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--page);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;line-height:1.35;letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
.num{font-family:"Barlow Condensed","Oswald","Arial Narrow",system-ui,sans-serif;font-variant-numeric:tabular-nums;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:var(--ink-glass);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.14);
  box-shadow:0 12px 30px -24px rgba(0,0,0,.7);
  transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.site-header.scrolled{background:var(--ink-scroll);border-bottom-color:rgba(255,255,255,.10);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px;transition:height var(--dur) var(--ease);}
.site-header.scrolled .nav-inner{height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--brand);
  display:grid;place-items:center;color:#fff;font-weight:800;font-size:18px;line-height:1;
  box-shadow:0 8px 18px -10px rgba(255,90,43,.85);
}
.brand-text{color:#fff;font-size:19px;font-weight:800;letter-spacing:-.01em;white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:28px;}
.main-nav a{
  position:relative;display:inline-block;padding:6px 0;
  color:rgba(255,255,255,.82);font-size:15px;font-weight:500;
  transition:color var(--dur) var(--ease);
}
.main-nav a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--brand);transition:width var(--dur) var(--ease);
}
.main-nav a:hover{color:#fff;}
.main-nav a:hover::after{width:100%;}
.main-nav a.active{color:#fff;}
.main-nav a.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 rgba(255,255,255,.22);
  background:rgba(255,255,255,.06);color:#fff;display:grid;place-items:center;
  transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.icon-btn:hover{background:rgba(255,90,43,.18);border-color:var(--brand);transform:translateY(-1px);}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.06);color:#fff;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);font-size:15px;font-weight:600;line-height:1;
  padding:13px 24px;min-height:44px;border:1px solid transparent;
  transition:transform var(--dur) var(--ease),background var(--dur) var(--ease),box-shadow var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 20px -12px rgba(255,90,43,.9);}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 16px 28px -14px rgba(233,74,28,.85);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.38);color:#fff;}
.btn-ghost:hover{background:var(--brand-soft);border-color:var(--brand);color:#fff;transform:translateY(-2px);}
.btn-outline{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn-outline:hover{background:var(--brand-soft);color:var(--brand-dark);transform:translateY(-2px);}
.btn-sm{padding:10px 18px;font-size:14px;min-height:40px;}

/* ---------- 页头带 ---------- */
.page-head{
  position:relative;overflow:hidden;
  background:var(--ink);color:#fff;
  padding:132px 0 56px;
}
.page-head::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  opacity:.24;
}
.page-head::after{
  content:"";position:absolute;right:-60px;top:40px;width:240px;height:240px;
  border:2px solid rgba(255,90,43,.55);border-radius:24px;transform:rotate(12deg);
}
.page-head .container{position:relative;z-index:2;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.62);margin-bottom:18px;}
.crumb a{color:rgba(255,255,255,.82);transition:color var(--dur) var(--ease);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:rgba(255,255,255,.32);}
.crumb .current{color:#fff;}
.page-head h1{
  font-size:clamp(28px,4vw,44px);font-weight:800;letter-spacing:-.02em;
  color:#fff;max-width:900px;
}
.head-sub{
  margin-top:16px;font-size:15px;color:rgba(255,255,255,.72);
  display:inline-flex;align-items:center;gap:10px;flex-wrap:wrap;
}
.head-sub .dot{width:6px;height:6px;border-radius:50%;background:var(--brand);display:inline-block;}
.meta-row{
  margin-top:22px;display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  font-size:13px;color:rgba(255,255,255,.62);
}
.meta-row .divider{width:1px;height:12px;background:rgba(255,255,255,.24);}
.meta-row .tag{
  padding:4px 12px;border-radius:999px;font-size:12px;font-weight:600;
  background:rgba(255,90,43,.16);border:1px solid rgba(255,90,43,.5);color:#FFB69B;
}
.read-bar{position:relative;height:3px;background:rgba(255,255,255,.12);overflow:hidden;}
.read-bar span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--brand),var(--highlight));transition:width 120ms linear;}

/* ---------- 正文布局 ---------- */
.article-main{padding:64px 0 8px;}
.article-shell{max-width:780px;margin:0 auto;}
.article-content{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:40px 44px;box-shadow:var(--shadow-card);
  font-size:16px;line-height:1.9;color:var(--text);word-break:break-word;
}
.article-content > *:first-child{margin-top:0;}
.article-content p{margin:0 0 20px;color:#26292c;}
.article-content h2{
  position:relative;font-size:clamp(21px,2.2vw,27px);font-weight:700;
  margin:44px 0 16px;padding-left:20px;letter-spacing:-.01em;color:var(--text);
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:.52em;width:8px;height:8px;border-radius:2px;background:var(--brand);
}
.article-content h3{font-size:20px;font-weight:700;margin:32px 0 12px;color:var(--text);}
.article-content h4{font-size:17px;font-weight:700;margin:24px 0 10px;}
.article-content ul,.article-content ol{margin:0 0 20px;padding-left:22px;list-style:revert;}
.article-content li{margin:8px 0;color:#26292c;}
.article-content img{border-radius:12px;margin:24px 0;width:100%;height:auto;}
.article-content a{color:var(--brand);border-bottom:1px solid rgba(255,90,43,.35);transition:border-color var(--dur) var(--ease);}
.article-content a:hover{border-bottom-color:var(--brand);}
.article-content blockquote{
  margin:26px 0;padding:16px 22px;border-left:3px solid var(--brand);
  background:#FBF7F4;border-radius:0 var(--r-card) var(--r-card) 0;color:var(--muted);
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;}
.article-content th,.article-content td{border:1px solid var(--line);padding:10px 14px;text-align:left;}
.article-content th{background:#FAF9F7;font-weight:700;}
.article-content code{background:#F1EFEB;border-radius:6px;padding:2px 6px;font-size:14px;}
.article-content hr{border:none;border-top:1px solid var(--line);margin:36px 0;}

.article-foot{
  margin-top:32px;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
}
.article-foot .back-note{font-size:14px;color:var(--muted);}

.empty-state{
  background:var(--surface);border:1px dashed var(--line);border-radius:var(--r-lg);
  padding:56px 32px;text-align:center;box-shadow:var(--shadow-card);
}
.empty-state .empty-icon{
  width:56px;height:56px;border-radius:16px;margin:0 auto 18px;
  display:grid;place-items:center;background:var(--brand-soft);color:var(--brand);font-size:22px;
}
.empty-state h2{font-size:22px;font-weight:700;margin-bottom:10px;}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:22px;}

/* ---------- 板块通用 ---------- */
.section{padding:88px 0;}
.section-head{max-width:680px;margin-bottom:44px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  color:var(--brand);letter-spacing:.08em;text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:24px;height:2px;background:var(--brand);display:inline-block;}
.section-head h2{font-size:clamp(24px,3vw,34px);font-weight:700;color:var(--text);}
.section-head p{margin-top:14px;font-size:16px;color:var(--muted);}

/* ---------- 推荐卡 ---------- */
.rec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.rec-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
  display:flex;flex-direction:column;
}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#D8D5CD;}
.rec-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--ink);}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 320ms var(--ease);}
.rec-card:hover .rec-thumb img{transform:scale(1.04);}
.rec-thumb .chip{
  position:absolute;left:12px;top:12px;padding:4px 10px;border-radius:999px;
  font-size:12px;font-weight:600;color:#fff;background:rgba(13,17,19,.72);border:1px solid rgba(255,255,255,.2);
}
.rec-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rec-body h3{font-size:17px;font-weight:700;line-height:1.5;}
.rec-body p{font-size:14.5px;line-height:1.7;color:var(--muted);flex:1;}
.rec-meta{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);}
.rec-meta .more{color:var(--brand);font-weight:600;position:relative;}
.rec-meta .more::after{
  content:"";position:absolute;left:0;bottom:-2px;height:2px;width:0;background:var(--brand);
  transition:width var(--dur) var(--ease);
}
.rec-card:hover .rec-meta .more::after{width:100%;}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--ink);color:#fff;border-radius:var(--r-lg);
  padding:52px 48px;display:flex;flex-wrap:wrap;gap:28px;align-items:center;justify-content:space-between;
  box-shadow:var(--shadow-card);
}
.cta-band::before{
  content:"";position:absolute;right:-40px;bottom:-60px;width:260px;height:260px;
  border:2px solid rgba(255,90,43,.45);border-radius:32px;transform:rotate(14deg);
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;color:#fff;}
.cta-band p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.72);max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:88px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:52px;}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand p{font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.62);max-width:340px;}
.footer-col h3{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col ul a{font-size:14.5px;color:rgba(255,255,255,.66);transition:color var(--dur) var(--ease),padding-left var(--dur) var(--ease);}
.footer-col ul a:hover{color:var(--brand);padding-left:4px;}
.footer-contact li{display:flex;align-items:center;gap:10px;font-size:14.5px;color:rgba(255,255,255,.66);}
.footer-contact i{color:var(--brand);width:16px;text-align:center;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 移动端抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:1200;background:rgba(6,8,9,.6);
  opacity:0;visibility:hidden;transition:opacity var(--dur) var(--ease),visibility var(--dur) var(--ease);
}
.drawer.open{opacity:1;visibility:visible;}
.drawer-panel{
  position:absolute;top:0;right:0;height:100%;width:min(84vw,340px);
  background:var(--ink);border-left:1px solid rgba(255,255,255,.1);
  display:flex;flex-direction:column;padding:22px 22px 26px;
  transform:translateX(100%);transition:transform 260ms var(--ease);
}
.drawer.open .drawer-panel{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px;}
.drawer-head .brand-text{font-size:17px;}
.drawer-close{width:40px;height:40px;border-radius:10px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.18);color:#fff;}
.drawer-nav{display:flex;flex-direction:column;gap:6px;flex:1;}
.drawer-nav a{
  padding:14px 4px;font-size:16px;color:rgba(255,255,255,.82);
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:color var(--dur) var(--ease),padding-left var(--dur) var(--ease);
}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--brand);padding-left:8px;}
.drawer-cta{width:100%;margin-top:20px;}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .container{max-width:960px;}
  .rec-grid{gap:20px;}
}
@media (max-width:991.98px){
  .main-nav{display:none;}
  .nav-toggle{display:grid;place-items:center;}
  .nav-actions .btn-primary{display:none;}
  .page-head{padding:118px 0 48px;}
  .article-content{padding:32px 28px;}
  .section{padding:72px 0;}
  .rec-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{padding:40px 32px;}
}
@media (max-width:767.98px){
  .page-head{padding:104px 0 40px;}
  .page-head::after{display:none;}
  .rec-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-band{padding:34px 24px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px;}
  .brand-text{font-size:17px;}
  .nav-inner{height:68px;}
  .article-content{padding:24px 18px;border-radius:var(--r-card);}
  .section{padding:56px 0;}
  .article-main{padding:44px 0 0;}
  .site-footer{padding-top:56px;margin-top:64px;}
}

/* roulang page: category1 */
:root{
  --brand:#FF5A2B;
  --brand-dark:#E94A1C;
  --brand-soft:rgba(255,90,43,.08);
  --brand-ring:rgba(255,90,43,.22);
  --cyan:#12B886;
  --yellow:#FFCE3A;
  --ink:#0D1113;
  --ink-2:#151A1D;
  --page:#F6F5F2;
  --card:#FFFFFF;
  --text:#1A1D1F;
  --muted:#5C6469;
  --line:#E3E1DB;
  --r-card:14px;
  --r-lg:18px;
  --r-btn:10px;
  --shadow-card:0 2px 6px rgba(13,17,19,.05),0 12px 28px -18px rgba(13,17,19,.22);
  --shadow-hover:0 6px 14px rgba(13,17,19,.08),0 22px 40px -18px rgba(13,17,19,.32);
  --t:200ms;
  --nav-h:76px;
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  --font-num:"Barlow Condensed","Oswald","Arial Narrow","PingFang SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color var(--t) ease,opacity var(--t) ease}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3,h4{margin:0;line-height:1.35;letter-spacing:-.01em}
p{margin:0}
button{font-family:inherit}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--text)}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:1200px){ .container{max-width:1240px} }

/* ============ 导航 ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1030;
  background:rgba(13,17,19,.38);
  border-bottom:1px solid rgba(255,255,255,.10);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  box-shadow:0 8px 24px -18px rgba(13,17,19,.9);
  transition:background var(--t) ease,box-shadow var(--t) ease,border-color var(--t) ease;
}
.site-header.is-stuck{
  background:rgba(13,17,19,.96);
  border-bottom-color:rgba(255,255,255,.12);
  box-shadow:0 10px 30px -18px rgba(0,0,0,.9);
}
.nav-inner{
  display:flex;
  align-items:center;
  gap:28px;
  height:var(--nav-h);
  transition:height var(--t) ease;
}
.site-header.is-stuck .nav-inner{height:64px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;
  display:flex;align-items:center;justify-content:center;
  border-radius:10px;
  background:var(--brand);
  color:#fff;
  font-family:var(--font-num);
  font-size:22px;
  font-weight:700;
  letter-spacing:.02em;
  box-shadow:0 6px 16px -8px rgba(255,90,43,.9);
}
.brand-text{
  color:#fff;
  font-size:19px;
  font-weight:700;
  letter-spacing:.01em;
  white-space:nowrap;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:26px;
  margin-left:6px;
}
.main-nav a{
  position:relative;
  color:rgba(255,255,255,.82);
  font-size:15px;
  padding:6px 2px;
  min-height:44px;
  display:inline-flex;
  align-items:center;
}
.main-nav a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  background:var(--brand);
  border-radius:2px;
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--t) ease;
}
.main-nav a:hover{color:#fff}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.active{color:#fff;font-weight:600}
.main-nav a.active::after{transform:scaleX(1)}
.nav-actions{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:12px;
}
.icon-btn{
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);
  color:#fff;
  cursor:pointer;
  transition:background var(--t) ease,border-color var(--t) ease,transform var(--t) ease;
}
.icon-btn:hover{background:rgba(255,90,43,.22);border-color:rgba(255,90,43,.55);transform:translateY(-2px)}
.btn-brand{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  border-radius:var(--r-btn);
  background:var(--brand);
  border:1px solid var(--brand);
  color:#fff;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:background var(--t) ease,box-shadow var(--t) ease,transform var(--t) ease,border-color var(--t) ease;
  box-shadow:0 10px 24px -14px rgba(255,90,43,.95);
}
.btn-brand:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 16px 30px -14px rgba(233,74,28,.9)}
.btn-brand:active{transform:translateY(0)}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.30);
  background:transparent;
  color:#fff;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:background var(--t) ease,border-color var(--t) ease,transform var(--t) ease;
}
.btn-ghost:hover{background:var(--brand-soft);border-color:var(--brand);color:#fff;transform:translateY(-2px)}
.btn-outline-ink{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#fff;color:var(--text);
  font-size:15px;font-weight:600;cursor:pointer;
  transition:border-color var(--t) ease,background var(--t) ease,transform var(--t) ease,box-shadow var(--t) ease;
}
.btn-outline-ink:hover{border-color:var(--brand);background:var(--brand-soft);color:var(--brand-dark);transform:translateY(-2px);box-shadow:var(--shadow-card)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:2px;
  border-radius:6px;
}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:10px;
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);
  cursor:pointer;
  padding:0;
  position:relative;
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  margin:3px auto;
  background:#fff;
  border-radius:2px;
  transition:transform var(--t) ease,opacity var(--t) ease;
}
.nav-toggle.is-active span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav-toggle.is-active span:nth-child(2){opacity:0}
.nav-toggle.is-active span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

.search-panel{
  max-height:0;
  overflow:hidden;
  background:rgba(13,17,19,.96);
  border-bottom:1px solid rgba(255,255,255,0);
  transition:max-height var(--t) ease,border-color var(--t) ease;
}
.search-panel.open{max-height:96px;border-bottom-color:rgba(255,255,255,.12)}
.search-panel .container{padding-top:16px;padding-bottom:16px}
.search-panel input{
  width:100%;
  height:48px;
  border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);
  color:#fff;
  padding:0 16px;
}
.search-panel input::placeholder{color:rgba(255,255,255,.5)}

.mobile-drawer{
  position:fixed;
  top:0;right:0;bottom:0;
  width:min(320px,86vw);
  background:var(--ink);
  z-index:1040;
  transform:translateX(100%);
  transition:transform 220ms ease;
  display:flex;
  flex-direction:column;
  padding:24px 22px 22px;
  box-shadow:-20px 0 40px -24px rgba(0,0,0,.9);
}
.mobile-drawer.open{transform:translateX(0)}
.mobile-drawer .drawer-brand{display:flex;align-items:center;gap:10px;margin-bottom:26px}
.mobile-drawer a.drawer-link{
  display:flex;
  align-items:center;
  min-height:48px;
  color:rgba(255,255,255,.84);
  font-size:16px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.mobile-drawer a.drawer-link.active{color:var(--brand);font-weight:600}
.mobile-drawer .drawer-cta{margin-top:auto}
body.no-scroll{overflow:hidden}

/* ============ 页头带 ============ */
.page-hero{
  position:relative;
  padding:calc(var(--nav-h) + 52px) 0 64px;
  background-color:var(--ink);
  background-image:linear-gradient(115deg,rgba(13,17,19,.96) 0%,rgba(13,17,19,.86) 46%,rgba(13,17,19,.68) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  color:#fff;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-60px;top:38%;
  width:280px;height:280px;
  border:2px solid rgba(255,90,43,.55);
  border-radius:24px;
  transform:rotate(12deg);
  pointer-events:none;
}
.breadcrumb-line{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:rgba(255,255,255,.62);
  margin-bottom:20px;
}
.breadcrumb-line a{color:rgba(255,255,255,.72)}
.breadcrumb-line a:hover{color:var(--brand)}
.breadcrumb-line i{font-size:10px;opacity:.7}
.page-hero h1{
  font-size:clamp(32px,5vw,54px);
  font-weight:800;
  letter-spacing:-.02em;
  max-width:820px;
}
.page-hero h1 em{font-style:normal;color:var(--brand)}
.page-lede{
  margin-top:18px;
  max-width:720px;
  font-size:17px;
  color:rgba(255,255,255,.76);
}
.hero-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:24px;
}
.hero-tags span{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 14px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);
  font-size:13px;
  color:rgba(255,255,255,.84);
}
.hero-tags span i{color:var(--brand);font-size:12px}

.stat-capsules{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:16px;
  margin-top:44px;
}
.capsule{
  border-radius:var(--r-card);
  border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.06);
  backdrop-filter:blur(6px);
  padding:18px 20px;
  transition:transform var(--t) ease,border-color var(--t) ease,background var(--t) ease;
}
.capsule:hover{transform:translateY(-4px);border-color:rgba(255,90,43,.6);background:rgba(255,90,43,.10)}
.capsule strong{
  display:block;
  font-family:var(--font-num);
  font-size:34px;
  font-weight:700;
  line-height:1.1;
  letter-spacing:.02em;
  color:#fff;
}
.capsule strong.is-cyan{color:var(--cyan)}
.capsule span{
  display:block;
  margin-top:6px;
  font-size:13px;
  color:rgba(255,255,255,.66);
}

/* ============ 通用板块 ============ */
.section{padding:88px 0}
.section-tight{padding:72px 0}
.section-dark{background:var(--ink);color:#fff}
.section-white{background:#fff}
.sec-head{max-width:760px;margin-bottom:40px}
.sec-head h2{
  font-size:clamp(24px,3vw,34px);
  font-weight:700;
  letter-spacing:-.01em;
}
.sec-head h2::before{
  content:"";
  display:inline-block;
  width:8px;height:8px;
  border-radius:2px;
  background:var(--brand);
  margin-right:12px;
  transform:translateY(-3px);
}
.sec-head p{
  margin-top:14px;
  font-size:16px;
  color:var(--muted);
}
.section-dark .sec-head p{color:rgba(255,255,255,.66)}
.sec-head-row{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
  flex-wrap:wrap;
}
.sec-head-row .sec-head{margin-bottom:0}

/* ============ 能力卡片 ============ */
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.data-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  display:flex;
  flex-direction:column;
  transition:transform var(--t) ease,box-shadow var(--t) ease,border-color var(--t) ease;
}
.data-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(255,90,43,.35);
}
.data-card .thumb{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--ink);
}
.data-card .thumb img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform 300ms ease;
}
.data-card:hover .thumb img{transform:scale(1.04)}
.data-card .thumb::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(13,17,19,0) 42%,rgba(13,17,19,.55) 100%);
}
.data-card .thumb .tag-on-image{
  position:absolute;
  left:14px;bottom:14px;
  z-index:2;
  padding:5px 12px;
  border-radius:999px;
  background:rgba(255,90,43,.92);
  color:#fff;
  font-size:12px;
  font-weight:600;
}
.data-card .card-body{
  padding:22px 22px 24px;
  display:flex;
  flex-direction:column;
  gap:12px;
  flex:1;
}
.data-card h3{font-size:18px;font-weight:700}
.data-card p{
  font-size:15px;
  line-height:1.7;
  color:var(--muted);
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto}
.tag{
  display:inline-flex;
  align-items:center;
  padding:4px 12px;
  border-radius:999px;
  background:var(--page);
  border:1px solid var(--line);
  color:var(--muted);
  font-size:13px;
}
.tag.is-brand{background:var(--brand-soft);border-color:rgba(255,90,43,.28);color:var(--brand-dark)}
.tag.is-cyan{background:rgba(18,184,134,.10);border-color:rgba(18,184,134,.30);color:#0e8f68}

/* ============ 场景 / 交付 ============ */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:32px;
  align-items:start;
}
.panel{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:30px;
  box-shadow:var(--shadow-card);
}
.panel h3{
  font-size:20px;
  font-weight:700;
  margin-bottom:18px;
  display:flex;
  align-items:center;
  gap:10px;
}
.panel h3 i{color:var(--brand);font-size:17px}
.scene-list li{
  display:flex;
  gap:12px;
  padding:14px 0;
  border-bottom:1px dashed var(--line);
  font-size:15px;
  color:var(--muted);
}
.scene-list li:last-child{border-bottom:0}
.scene-list li::before{
  content:"";
  flex:0 0 auto;
  width:8px;height:8px;
  margin-top:9px;
  border-radius:2px;
  background:var(--brand);
}
.scene-list li strong{color:var(--text);font-weight:600}
.deliver-list li{
  display:flex;
  align-items:flex-start;
  gap:12px;
  padding:13px 0;
  border-bottom:1px solid var(--line);
  font-size:15px;
  color:var(--muted);
}
.deliver-list li:last-child{border-bottom:0}
.deliver-list i{
  color:var(--cyan);
  font-size:16px;
  margin-top:4px;
}
.panel-note{
  margin-top:20px;
  padding:14px 16px;
  border-radius:var(--r-btn);
  background:var(--brand-soft);
  border:1px solid rgba(255,90,43,.22);
  font-size:14px;
  color:var(--brand-dark);
  display:flex;
  gap:10px;
  align-items:flex-start;
}
.panel-note i{margin-top:4px}

/* ============ 流程 ============ */
.steps{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
  counter-reset:step;
}
.step{
  position:relative;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 22px 24px;
  box-shadow:var(--shadow-card);
  transition:transform var(--t) ease,box-shadow var(--t) ease,border-color var(--t) ease;
}
.step::before{
  counter-increment:step;
  content:"0" counter(step);
  display:block;
  font-family:var(--font-num);
  font-size:44px;
  font-weight:700;
  line-height:1;
  color:rgba(255,90,43,.28);
  letter-spacing:.02em;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,90,43,.35)}
.step h3{font-size:18px;font-weight:700;margin:14px 0 10px}
.step p{font-size:15px;color:var(--muted);line-height:1.7}
.step .step-meta{
  margin-top:14px;
  font-size:13px;
  color:var(--cyan);
  font-weight:600;
}

/* ============ 数据通栏 ============ */
.data-band{
  background:var(--ink);
  color:#fff;
  padding:72px 0;
}
.band-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
}
.band-item{
  padding:22px 22px 20px;
  border-radius:var(--r-card);
  border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.04);
  transition:transform var(--t) ease,border-color var(--t) ease;
}
.band-item:hover{transform:translateY(-4px);border-color:rgba(255,90,43,.5)}
.band-item strong{
  display:block;
  font-family:var(--font-num);
  font-size:clamp(38px,4vw,52px);
  line-height:1.05;
  font-weight:700;
  color:var(--brand);
  letter-spacing:.01em;
}
.band-item:nth-child(even) strong{color:var(--cyan)}
.band-item span{
  display:block;
  margin-top:10px;
  font-size:13px;
  color:rgba(255,255,255,.66);
}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px}
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  margin-bottom:14px;
  box-shadow:var(--shadow-card);
  overflow:hidden;
  transition:border-color var(--t) ease,box-shadow var(--t) ease;
}
.faq-item[open]{
  border-color:rgba(255,90,43,.45);
  box-shadow:var(--shadow-hover);
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:20px 22px;
  font-size:17px;
  font-weight:700;
  display:flex;
  align-items:center;
  gap:14px;
  position:relative;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";
  width:4px;
  align-self:stretch;
  border-radius:999px;
  background:var(--line);
  transition:background var(--t) ease;
}
.faq-item[open] summary::before{background:var(--brand)}
.faq-item summary::after{
  content:"\f067";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  font-size:12px;
  color:var(--muted);
  margin-left:auto;
  transition:transform var(--t) ease,color var(--t) ease;
}
.faq-item[open] summary::after{content:"\f068";color:var(--brand)}
.faq-item .faq-body{
  padding:0 22px 22px 40px;
  font-size:15px;
  color:var(--muted);
  line-height:1.8;
}

/* ============ CTA ============ */
.cta-band{
  position:relative;
  background:var(--ink);
  color:#fff;
  padding:80px 0;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  left:-80px;bottom:-120px;
  width:320px;height:320px;
  border:2px solid rgba(18,184,134,.4);
  border-radius:28px;
  transform:rotate(-14deg);
}
.cta-grid{
  position:relative;
  display:grid;
  grid-template-columns:1.05fr 1fr;
  gap:48px;
  align-items:start;
}
.cta-copy h2{
  font-size:clamp(24px,3vw,34px);
  font-weight:700;
  letter-spacing:-.01em;
}
.cta-copy p{
  margin-top:16px;
  font-size:16px;
  color:rgba(255,255,255,.72);
  max-width:520px;
}
.cta-points{
  margin-top:26px;
  display:flex;
  flex-direction:column;
  gap:12px;
}
.cta-points li{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:15px;
  color:rgba(255,255,255,.82);
}
.cta-points i{color:var(--brand)}
.form-card{
  background:#fff;
  border-radius:var(--r-lg);
  padding:28px;
  box-shadow:0 24px 50px -30px rgba(0,0,0,.9);
  color:var(--text);
}
.form-card h3{font-size:20px;font-weight:700;margin-bottom:6px}
.form-card .form-sub{font-size:14px;color:var(--muted);margin-bottom:20px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{margin-bottom:14px}
.field label{
  display:block;
  font-size:13px;
  font-weight:600;
  color:var(--muted);
  margin-bottom:6px;
}
.field input,.field select,.field textarea{
  width:100%;
  min-height:44px;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  background:#fff;
  padding:10px 14px;
  transition:border-color var(--t) ease,box-shadow var(--t) ease;
}
.field textarea{min-height:96px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 4px var(--brand-ring);
}
.form-card .btn-brand{width:100%;margin-top:4px}
.privacy-note{
  margin-top:12px;
  font-size:12px;
  color:var(--muted);
  line-height:1.7;
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink);
  color:rgba(255,255,255,.72);
  padding:64px 0 26px;
  border-top:1px solid rgba(255,255,255,.08);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.3fr;
  gap:36px;
}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);max-width:340px}
.footer-col h3{
  font-size:15px;
  font-weight:700;
  color:#fff;
  margin-bottom:16px;
}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14px;color:rgba(255,255,255,.66)}
.footer-col ul li a:hover{color:var(--brand)}
.footer-contact li{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:14px;
  color:rgba(255,255,255,.66);
}
.footer-contact i{color:var(--brand);width:16px;text-align:center}
.footer-bottom{
  margin-top:44px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.10);
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .container{max-width:960px}
  .main-nav{gap:20px}
}
@media (max-width:991.98px){
  .container{max-width:100%}
  .main-nav{display:none}
  .nav-toggle{display:block}
  .nav-cta{display:none}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .band-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .split{grid-template-columns:1fr}
  .cta-grid{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .stat-capsules{grid-template-columns:repeat(2,minmax(0,1fr))}
  .section{padding:72px 0}
}
@media (max-width:767.98px){
  .page-hero{padding:calc(var(--nav-h) + 36px) 0 48px}
  .page-hero::after{display:none}
  .card-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .band-grid{grid-template-columns:1fr 1fr}
  .form-row{grid-template-columns:1fr}
  .panel{padding:22px}
  .section{padding:60px 0}
  .section-tight{padding:56px 0}
  .data-band{padding:56px 0}
  .cta-band{padding:60px 0}
}
@media (max-width:519.98px){
  .container{padding:0 16px}
  .band-grid{grid-template-columns:1fr}
  .stat-capsules{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
  .brand-text{font-size:17px}
  .data-card .card-body{padding:20px 18px 22px}
}

/* roulang page: category2 */
:root{
  --c-primary:#FF5A2B;
  --c-primary-dark:#E94A1C;
  --c-accent:#12B886;
  --c-gold:#FFCE3A;
  --c-ink:#0D1113;
  --c-bg:#F6F5F2;
  --c-surface:#FFFFFF;
  --c-text:#1A1D1F;
  --c-muted:#5C6469;
  --c-line:#E3E1DB;
  --r-card:14px;
  --r-lg:18px;
  --r-btn:10px;
  --sh-card:0 2px 6px rgba(13,17,19,.05),0 12px 28px -18px rgba(13,17,19,.22);
  --sh-hover:0 4px 12px rgba(13,17,19,.08),0 22px 40px -20px rgba(13,17,19,.32);
  --t:200ms;
  --bs-primary:#FF5A2B;
  --bs-body-bg:#F6F5F2;
  --bs-body-color:#1A1D1F;
  --bs-border-radius:10px;
}
*,*::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-text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color var(--t) ease}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px}
.container,.container-lg,.container-xl{
  max-width:1200px;
  padding-left:20px;
  padding-right:20px;
  margin-left:auto;
  margin-right:auto;
}
.num{font-family:"Barlow Condensed","Oswald","Arial Narrow",Impact,sans-serif;font-weight:700;letter-spacing:.01em;font-variant-numeric:tabular-nums}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1030;
  height:76px;
  background:rgba(13,17,19,.38);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.14);
  box-shadow:0 8px 26px -18px rgba(0,0,0,.6);
  transition:height var(--t) ease,background var(--t) ease,border-color var(--t) ease;
}
.site-header.scrolled{
  height:64px;
  background:rgba(13,17,19,.96);
  border-bottom-color:rgba(255,255,255,.08);
  box-shadow:0 10px 30px -20px rgba(0,0,0,.85);
}
.header-inner{
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
  height:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:#fff;
  flex-shrink:0;
}
.brand-mark{
  width:36px;height:36px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:10px;
  background:var(--c-primary);
  color:#fff;
  font-weight:800;
  font-size:18px;
  letter-spacing:.02em;
}
.brand-text{
  font-size:18px;
  font-weight:800;
  letter-spacing:.01em;
  white-space:nowrap;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
}
.main-nav a{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:44px;
  padding:0 14px;
  color:rgba(255,255,255,.86);
  font-size:15px;
  font-weight:500;
  white-space:nowrap;
}
.main-nav a::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:6px;
  height:2px;
  background:var(--c-primary);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--t) ease;
}
.main-nav a:hover{color:#fff}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.active{color:#fff;font-weight:700}
.main-nav a.active::after{transform:scaleX(1)}
.header-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.icon-btn{
  width:44px;height:44px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.06);
  color:#fff;
  cursor:pointer;
  transition:all var(--t) ease;
}
.icon-btn:hover{background:rgba(255,90,43,.22);border-color:var(--c-primary)}
.btn-main{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  border-radius:var(--r-btn);
  background:var(--c-primary);
  color:#fff;
  font-size:15px;
  font-weight:700;
  border:1px solid transparent;
  cursor:pointer;
  transition:all var(--t) ease;
}
.btn-main:hover{
  background:var(--c-primary-dark);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 14px 26px -14px rgba(255,90,43,.95);
}
.btn-main:active{transform:translateY(0);box-shadow:none}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.42);
  background:transparent;
  color:#fff;
  font-size:15px;
  font-weight:600;
  transition:all var(--t) ease;
}
.btn-ghost:hover{background:rgba(255,90,43,.16);border-color:var(--c-primary);color:#fff;transform:translateY(-2px)}
.btn-outline{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 20px;
  border-radius:var(--r-btn);
  border:1px solid var(--c-line);
  background:#fff;
  color:var(--c-text);
  font-size:15px;
  font-weight:600;
  transition:all var(--t) ease;
}
.btn-outline:hover{border-color:var(--c-primary);background:rgba(255,90,43,.08);color:var(--c-primary-dark);transform:translateY(-2px)}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;
  justify-content:center;
  border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.06);
  color:#fff;
  cursor:pointer;
}
.search-pop{
  position:fixed;
  top:76px;left:0;right:0;
  z-index:1029;
  background:rgba(13,17,19,.97);
  border-bottom:1px solid rgba(255,255,255,.1);
  padding:16px 20px;
  transform:translateY(-12px);
  opacity:0;
  visibility:hidden;
  transition:all var(--t) ease;
}
.search-pop.open{transform:translateY(0);opacity:1;visibility:visible}
.search-form{
  max-width:1200px;
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:12px;
  color:rgba(255,255,255,.6);
}
.search-form input{
  flex:1;
  height:48px;
  border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);
  color:#fff;
  padding:0 16px;
}
.search-form input::placeholder{color:rgba(255,255,255,.45)}
.search-form input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(255,90,43,.18)}
.search-close{
  width:44px;height:44px;
  border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.18);
  background:transparent;
  color:#fff;
  cursor:pointer;
}
.mobile-drawer{
  position:fixed;
  top:0;right:0;bottom:0;
  width:300px;
  max-width:86vw;
  z-index:1041;
  background:var(--c-ink);
  padding:20px;
  display:flex;
  flex-direction:column;
  gap:20px;
  transform:translateX(102%);
  transition:transform 240ms ease;
  overflow-y:auto;
}
.mobile-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer-close{
  width:44px;height:44px;
  border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.2);
  background:transparent;
  color:#fff;
  cursor:pointer;
}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-top:8px}
.drawer-nav a{
  display:flex;
  align-items:center;
  min-height:48px;
  padding:0 14px;
  border-radius:var(--r-btn);
  color:rgba(255,255,255,.86);
  font-size:16px;
  font-weight:500;
  border-left:2px solid transparent;
}
.drawer-nav a:hover,.drawer-nav a.active{background:rgba(255,90,43,.14);color:#fff;border-left-color:var(--c-primary)}
.drawer-cta{margin-top:auto;width:100%}
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(13,17,19,.6);
  z-index:1040;
  opacity:0;
  visibility:hidden;
  transition:all var(--t) ease;
}
.drawer-mask.open{opacity:1;visibility:visible}

/* ============ 页面页头带 ============ */
.page-hero{
  position:relative;
  padding:158px 0 0;
  background:
    linear-gradient(115deg,rgba(13,17,19,.94) 0%,rgba(13,17,19,.86) 55%,rgba(13,17,19,.72) 100%),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color:#fff;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-60px;top:120px;
  width:260px;height:260px;
  border:2px solid rgba(255,90,43,.5);
  border-radius:32px;
  transform:rotate(12deg);
  pointer-events:none;
}
.crumb{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:rgba(255,255,255,.6);
  margin-bottom:20px;
}
.crumb a{color:rgba(255,255,255,.75)}
.crumb a:hover{color:var(--c-primary)}
.crumb span.sep{color:rgba(255,255,255,.32)}
.page-hero h1{
  font-size:clamp(30px,4.6vw,50px);
  font-weight:800;
  line-height:1.24;
  letter-spacing:-.02em;
  max-width:900px;
  margin-bottom:20px;
}
.page-hero .lead{
  max-width:760px;
  font-size:17px;
  line-height:1.9;
  color:rgba(255,255,255,.78);
  margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:52px}
.hero-pills{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1px;
  background:rgba(255,255,255,.1);
  border-top:1px solid rgba(255,255,255,.14);
}
.hero-pills .pill{
  background:rgba(13,17,19,.55);
  padding:22px 20px;
  display:flex;
  flex-direction:column;
  gap:2px;
}
.pill-num{
  font-size:clamp(30px,4vw,44px);
  line-height:1.1;
  font-weight:700;
  color:#fff;
}
.pill:nth-child(odd) .pill-num{color:var(--c-primary)}
.pill:nth-child(even) .pill-num{color:var(--c-accent)}
.pill-label{font-size:13px;color:rgba(255,255,255,.62);letter-spacing:.02em}

/* ============ 通用板块 ============ */
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-head{margin-bottom:44px;max-width:760px}
.section-head h2{
  position:relative;
  font-size:clamp(24px,3vw,34px);
  font-weight:700;
  line-height:1.3;
  letter-spacing:-.01em;
  padding-left:20px;
  margin-bottom:14px;
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;top:.42em;
  width:8px;height:8px;
  border-radius:2px;
  background:var(--c-primary);
}
.section-head p{font-size:16px;color:var(--c-muted)}
.section-head-sm{margin-bottom:28px}
.section-head-sm h2{
  position:relative;
  font-size:clamp(22px,2.4vw,28px);
  font-weight:700;
  padding-left:18px;
  margin-bottom:10px;
}
.section-head-sm h2::before{
  content:"";position:absolute;left:0;top:.44em;
  width:8px;height:8px;border-radius:2px;background:var(--c-primary);
}
.section-head-sm p{font-size:15px;color:var(--c-muted)}

/* ============ 侧栏 + 内容 ============ */
.side-sticky{position:sticky;top:92px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  padding:22px;
  transition:box-shadow var(--t) ease,transform var(--t) ease;
}
.side-card:hover{box-shadow:var(--sh-hover);transform:translateY(-2px)}
.side-card h3{
  font-size:15px;
  font-weight:700;
  letter-spacing:.04em;
  color:var(--c-muted);
  margin-bottom:14px;
}
.anchor-list{display:flex;flex-direction:column;gap:2px}
.anchor-list a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:42px;
  padding:0 12px;
  border-radius:8px;
  font-size:15px;
  color:var(--c-text);
  border-left:2px solid transparent;
  transition:all var(--t) ease;
}
.anchor-list a:hover{background:rgba(255,90,43,.07);border-left-color:var(--c-primary);transform:translateX(4px);color:var(--c-primary-dark)}
.anchor-list a i{font-size:12px;color:var(--c-muted)}
.hot-list{display:flex;flex-direction:column;gap:10px}
.hot-list a{
  display:block;
  padding:12px 14px;
  border-radius:10px;
  background:var(--c-bg);
  border:1px solid var(--c-line);
  font-size:15px;
  font-weight:600;
  transition:all var(--t) ease;
}
.hot-list a span{display:block;font-size:13px;font-weight:400;color:var(--c-muted);margin-top:2px}
.hot-list a:hover{border-color:var(--c-primary);background:#fff;transform:translateX(4px)}
.mini-cta{
  background:linear-gradient(150deg,#14191B 0%,#0D1113 100%);
  border-color:transparent;
  color:#fff;
}
.mini-cta h3{color:rgba(255,255,255,.66)}
.mini-cta p{font-size:14px;color:rgba(255,255,255,.72);line-height:1.75;margin-bottom:16px}
.mini-cta .btn-main{width:100%}

/* ============ 横向图文能力卡 ============ */
.feature-list{display:flex;flex-direction:column;gap:20px}
.feature-row{
  display:grid;
  grid-template-columns:232px 1fr;
  gap:24px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  padding:20px;
  transition:box-shadow var(--t) ease,transform var(--t) ease,border-color var(--t) ease;
}
.feature-row:hover{box-shadow:var(--sh-hover);transform:translateY(-3px);border-color:rgba(255,90,43,.35)}
.feature-row .thumb{
  border-radius:12px;
  overflow:hidden;
  background:var(--c-ink);
  aspect-ratio:16/10;
}
.feature-row .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease}
.feature-row:hover .thumb img{transform:scale(1.04)}
.feature-row h3{
  font-size:20px;
  font-weight:700;
  margin-bottom:10px;
  display:flex;
  align-items:center;
  gap:10px;
}
.feature-row h3 em{
  font-style:normal;
  font-size:13px;
  font-weight:700;
  color:var(--c-primary);
  border:1px solid rgba(255,90,43,.4);
  border-radius:999px;
  padding:1px 10px;
  letter-spacing:.04em;
}
.feature-row p{font-size:15px;line-height:1.75;color:var(--c-muted);margin-bottom:14px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:999px;
  font-size:13px;
  background:rgba(18,184,134,.1);
  color:#0E8F6A;
  border:1px solid rgba(18,184,134,.22);
}
.tag.warm{background:rgba(255,90,43,.09);color:var(--c-primary-dark);border-color:rgba(255,90,43,.22)}

/* ============ 角色卡 ============ */
.role-card{
  height:100%;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  padding:26px;
  transition:all var(--t) ease;
}
.role-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(255,90,43,.3)}
.role-icon{
  width:46px;height:46px;
  border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,90,43,.12);
  color:var(--c-primary);
  font-size:18px;
  margin-bottom:16px;
}
.role-card:nth-child(2) .role-icon{background:rgba(18,184,134,.12);color:#0E8F6A}
.role-card:nth-child(3) .role-icon{background:rgba(255,206,58,.2);color:#9a7400}
.role-card h3{font-size:19px;font-weight:700;margin-bottom:10px}
.role-card p{font-size:15px;line-height:1.78;color:var(--c-muted)}
.role-card ul{margin-top:14px;display:flex;flex-direction:column;gap:8px}
.role-card ul li{position:relative;padding-left:18px;font-size:14px;color:var(--c-muted)}
.role-card ul li::before{
  content:"";position:absolute;left:0;top:.66em;
  width:8px;height:2px;background:var(--c-primary);border-radius:2px;
}

/* ============ 流程 ============ */
.flow-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.flow-item{
  position:relative;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:26px 22px;
  box-shadow:var(--sh-card);
  transition:all var(--t) ease;
}
.flow-item:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.flow-item .step{
  font-size:40px;
  line-height:1;
  color:var(--c-primary);
  opacity:.9;
  margin-bottom:14px;
}
.flow-item h3{font-size:17px;font-weight:700;margin-bottom:8px}
.flow-item p{font-size:14px;color:var(--c-muted);line-height:1.75}
.flow-item::after{
  content:"";
  position:absolute;right:-16px;top:50%;
  width:10px;height:2px;
  background:var(--c-line);
}
.flow-item:last-child::after{display:none}

/* ============ 数据带 ============ */
.data-band{
  background:var(--c-ink);
  color:#fff;
  padding:72px 0;
}
.data-band h2{
  font-size:clamp(22px,2.6vw,30px);
  font-weight:700;
  margin-bottom:10px;
}
.data-band .sub{color:rgba(255,255,255,.62);font-size:15px;margin-bottom:40px}
.data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.data-cell{border-left:2px solid rgba(255,255,255,.12);padding-left:20px}
.data-cell .val{
  font-size:clamp(34px,4.4vw,52px);
  line-height:1.05;
  font-weight:700;
}
.data-cell:nth-child(odd) .val{color:var(--c-primary)}
.data-cell:nth-child(even) .val{color:var(--c-accent)}
.data-cell .cap{margin-top:8px;font-size:13px;color:rgba(255,255,255,.6);line-height:1.6}

/* ============ FAQ ============ */
.faq-wrap{max-width:920px}
.faq-accordion .accordion-item{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  margin-bottom:14px;
  overflow:hidden;
  box-shadow:var(--sh-card);
}
.faq-accordion .accordion-button{
  width:100%;
  background:var(--c-surface);
  color:var(--c-text);
  font-size:17px;
  font-weight:700;
  line-height:1.6;
  padding:20px 22px;
  border:0;
  border-radius:var(--r-card);
  box-shadow:inset 3px 0 0 transparent;
  transition:all var(--t) ease;
}
.faq-accordion .accordion-button:hover{background:#FCFBF9;box-shadow:inset 3px 0 0 rgba(255,90,43,.45)}
.faq-accordion .accordion-button:not(.collapsed){
  background:#FFF5F1;
  color:var(--c-text);
  box-shadow:inset 3px 0 0 var(--c-primary);
}
.faq-accordion .accordion-button:focus{
  box-shadow:inset 3px 0 0 var(--c-primary),0 0 0 3px rgba(255,90,43,.18);
  outline:none;
}
.faq-accordion .accordion-button::after{
  background-image:none;
  content:"\f068";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  width:auto;height:auto;
  font-size:14px;
  color:var(--c-primary);
  transform:none;
  transition:transform var(--t) ease;
}
.faq-accordion .accordion-button.collapsed::after{
  content:"\f067";
  transform:none;
  color:var(--c-muted);
}
.faq-accordion .accordion-body{
  padding:0 22px 22px;
  font-size:15px;
  color:var(--c-muted);
  line-height:1.85;
}

/* ============ CTA ============ */
.cta-band{
  position:relative;
  background:linear-gradient(120deg,#12181A 0%,#0D1113 100%);
  border-radius:var(--r-lg);
  padding:52px 44px;
  color:#fff;
  overflow:hidden;
  box-shadow:var(--sh-card);
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-70px;bottom:-70px;
  width:240px;height:240px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,90,43,.32) 0%,rgba(255,90,43,0) 68%);
}
.cta-band h2{font-size:clamp(23px,3vw,32px);font-weight:800;letter-spacing:-.01em;margin-bottom:12px}
.cta-band p{color:rgba(255,255,255,.72);font-size:16px;max-width:640px;margin-bottom:26px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:1}
.cta-note{margin-top:16px;font-size:13px;color:rgba(255,255,255,.52)}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-ink);
  color:rgba(255,255,255,.7);
  padding:64px 0 26px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.3fr;
  gap:36px;
  padding-bottom:36px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:340px}
.footer-col h3{
  font-size:16px;
  color:#fff;
  font-weight:700;
  margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col ul li{font-size:14px}
.footer-col ul a{color:rgba(255,255,255,.68)}
.footer-col ul a:hover{color:var(--c-primary)}
.footer-contact li{display:flex;align-items:center;gap:10px;color:rgba(255,255,255,.68)}
.footer-contact i{color:var(--c-primary);font-size:14px;width:16px}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
  padding-top:22px;
  font-size:13px;
  color:rgba(255,255,255,.48);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .container,.container-lg,.container-xl{max-width:960px}
  .flow-grid{grid-template-columns:repeat(2,1fr)}
  .flow-item::after{display:none}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
}
@media (max-width:991.98px){
  .main-nav{display:none}
  .header-actions .btn-main{display:none}
  .nav-toggle{display:inline-flex}
  .site-header{height:68px}
  .site-header.scrolled{height:60px}
  .search-pop{top:68px}
  .page-hero{padding-top:132px}
  .page-hero::after{display:none}
  .hero-pills{grid-template-columns:repeat(2,1fr)}
  .side-sticky{position:static}
  .data-grid{grid-template-columns:repeat(2,1fr);gap:24px}
  .section{padding:72px 0}
}
@media (max-width:767.98px){
  body{font-size:15.5px}
  .feature-row{grid-template-columns:1fr;gap:16px;padding:16px}
  .feature-row .thumb{aspect-ratio:16/9}
  .flow-grid{grid-template-columns:1fr}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%}
  .cta-band{padding:36px 24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .footer-brand{grid-column:1/-1}
  .section{padding:60px 0}
}
@media (max-width:575.98px){
  .container,.container-lg,.container-xl{padding-left:16px;padding-right:16px}
  .hero-pills{grid-template-columns:1fr}
  .data-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .page-hero{padding-top:120px}
  .section{padding:52px 0}
}