/* roulang page: index */
:root{
  --primary:#0E2A28;
  --accent:#FF6B35;
  --gold:#F4B942;
  --bg:#F6F5F1;
  --panel-dark:#122C2A;
  --card-bg:#FFFFFF;
  --card-border:#EAE5DC;
  --text:#1F2933;
  --text-sub:#5F6B7A;
  --text-foot:#8A94A0;
  --radius:14px;
  --radius-sm:8px;
  --shadow:0 4px 16px rgba(14,42,40,0.08);
  --shadow-lg:0 8px 24px rgba(14,42,40,0.16);
  --transition:all .3s ease;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:var(--transition)}
img{max-width:100%;display:block}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5,p{margin-top:0}
button,input,select,textarea{font-family:inherit}
.row{max-width:1200px}
.row .columns,.row .column,.row .small-12,.row .medium-6,.row .medium-4,.row .medium-5,.row .medium-7,.row .large-3,.row .large-4,.row .large-6{margin-bottom:0}
a:focus-visible,button:focus-visible{
  outline:3px solid rgba(255,107,53,.5);
  outline-offset:2px;
  border-radius:4px;
}
.container{max-width:1200px;margin:0 auto;padding:0 16px}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:700;padding:12px 26px;border-radius:var(--radius-sm);
  border:2px solid transparent;cursor:pointer;transition:var(--transition);
  line-height:1.4;white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:#ff5a1f;color:#fff;transform:translateY(-2px);box-shadow:0 8px 20px rgba(255,107,53,.35)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(255,107,53,.3)}
.btn-lg{padding:15px 40px;font-size:17px;border-radius:10px}
.btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.65)}
.btn-outline:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff}
.btn-outline:active{background:rgba(255,255,255,.2)}

/* ===== 通用区块徽标 ===== */
.section-badge{
  display:inline-block;background:rgba(255,107,53,.12);color:var(--accent);
  font-size:12px;font-weight:700;padding:6px 16px;border-radius:100px;
  letter-spacing:1px;margin-bottom:12px;
}
.section-head{text-align:center;margin-bottom:50px}
.section-head h2{font-size:34px;color:var(--primary);font-weight:800;line-height:1.3;margin-bottom:12px}
.section-head p{color:var(--text-sub);font-size:16px;margin-bottom:0}
.section-head.with-link{display:flex;align-items:flex-end;justify-content:space-between;text-align:left;gap:20px;flex-wrap:wrap}
.section-link{color:var(--primary);font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:8px;white-space:nowrap}
.section-link:hover{color:var(--accent)}
.section-link i{transition:transform .3s ease}
.section-link:hover i{transform:translateX(4px)}

/* ===== 导航 ===== */
.site-header{
  position:sticky;top:16px;z-index:999;
  padding:0;margin-bottom:16px;
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:var(--card-bg);border:1px solid var(--card-border);
  border-radius:18px;box-shadow:var(--shadow);
  padding:10px 18px;position:relative;z-index:2;
}
.brand{
  display:flex;align-items:center;gap:10px;flex-shrink:0;
  padding:4px 0;
}
.brand-icon{
  width:42px;height:42px;background:var(--primary);color:var(--gold);
  border-radius:12px;display:flex;align-items:center;justify-content:center;
  font-size:20px;box-shadow:inset 0 -2px 0 rgba(255,255,255,.15);
}
.brand-text{font-size:20px;font-weight:800;color:var(--primary);letter-spacing:.5px;white-space:nowrap}
.desktop-nav{display:flex;align-items:center;justify-content:center;gap:6px;flex:1;padding:0 10px}
.nav-card{
  display:flex;align-items:center;gap:10px;padding:8px 16px;
  border-radius:12px;border:1px solid transparent;color:var(--text);
  transition:var(--transition);position:relative;
}
.nav-card:hover{background:var(--primary);color:#fff;transform:translateY(-2px);box-shadow:0 6px 16px rgba(14,42,40,.18)}
.nav-card.active{background:var(--primary);color:#fff}
.nav-icon{font-size:20px;color:var(--accent);width:24px;text-align:center;flex-shrink:0}
.nav-card:hover .nav-icon,.nav-card.active .nav-icon{color:var(--gold)}
.nav-text{display:flex;flex-direction:column;line-height:1.25}
.nav-text strong{font-size:14px;font-weight:700}
.nav-text small{font-size:11px;opacity:.75;font-weight:400}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.header-cta{padding:10px 22px;font-size:14px}
.menu-toggle{
  display:none;background:var(--primary);color:#fff;border:none;width:42px;height:42px;
  border-radius:10px;font-size:18px;cursor:pointer;align-items:center;justify-content:center;
  transition:var(--transition);
}
.menu-toggle:hover{background:var(--accent)}
.mobile-nav{
  display:none;flex-direction:column;gap:8px;
  background:var(--card-bg);border:1px solid var(--card-border);border-radius:14px;
  margin-top:10px;padding:14px;box-shadow:var(--shadow);
}
.mobile-nav.open{display:flex}
.mobile-nav-item{
  padding:12px 14px;border-radius:10px;color:var(--text);
  font-weight:600;font-size:15px;display:flex;align-items:center;gap:10px;
  transition:var(--transition);
}
.mobile-nav-item:hover{background:var(--bg)}
.mobile-nav-item.active{background:var(--primary);color:#fff}
.mobile-nav-item.active i{color:var(--gold)}
.mobile-cta{width:100%;margin-top:4px}

/* ===== Hero ===== */
.hero{
  position:relative;background:var(--panel-dark);overflow:hidden;
  padding:90px 0 110px;border-radius:0 0 26px 26px;
}
.hero-bg{
  position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;opacity:.38;
}
.hero-bg::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(14,42,40,.97) 25%,rgba(14,42,40,.88) 50%,rgba(18,44,42,.72) 80%);
}
.hero::before{
  content:'';position:absolute;top:0;left:0;right:0;bottom:0;z-index:1;
  background:repeating-linear-gradient(135deg,transparent 0 16px,rgba(255,255,255,.035) 16px 18px);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;display:flex;align-items:center;gap:50px}
.hero-content{flex:1.1}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(244,185,66,.15);border:1px solid rgba(244,185,66,.4);
  color:var(--gold);font-size:13px;font-weight:600;
  padding:7px 16px;border-radius:100px;margin-bottom:22px;
}
.hero h1{
  color:#fff;font-size:clamp(30px,4vw,46px);font-weight:800;line-height:1.3;
  margin-bottom:20px;letter-spacing:.5px;
}
.hero-sub{color:rgba(255,255,255,.85);font-size:18px;line-height:1.75;margin-bottom:30px;max-width:520px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:28px}
.hero-points{display:flex;gap:24px;flex-wrap:wrap}
.hero-points span{color:rgba(255,255,255,.75);font-size:14px;display:flex;align-items:center;gap:8px}
.hero-points span i{color:var(--gold);font-size:14px}
.hero-visual{flex:1;position:relative;min-height:400px}
.hero-card-main{
  position:absolute;top:0;right:60px;width:300px;border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-lg);border:3px solid rgba(255,255,255,.18);
  z-index:3;
}
.hero-card-main img{width:100%;height:220px;object-fit:cover}
.hero-card-sub{
  position:absolute;bottom:-10px;left:0;width:210px;border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-lg);border:3px solid rgba(255,255,255,.18);
  z-index:4;
}
.hero-card-sub img{width:100%;height:150px;object-fit:cover}
.hero-data-badge{
  position:absolute;top:14px;right:14px;background:var(--accent);color:#fff;
  border-radius:10px;padding:8px 14px;text-align:center;
  font-family:"DIN Alternate","Roboto Condensed",sans-serif;font-size:22px;font-weight:800;
  line-height:1.1;box-shadow:0 6px 16px rgba(255,107,53,.45);display:flex;flex-direction:column;
}
.hero-data-badge small{font-size:11px;font-weight:500;margin-top:3px;opacity:.9}
.hero-card-sub .hero-data-badge{top:auto;bottom:12px;left:12px;right:auto;background:var(--gold);color:var(--primary);box-shadow:0 6px 16px rgba(244,185,66,.4)}

/* ===== 信任指标条 ===== */
.trust-bar{position:relative;z-index:5;margin-top:-46px;padding-bottom:80px}
.trust-card{
  background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);
  border:1px solid var(--card-border);display:flex;justify-content:space-between;
  padding:34px 44px;flex-wrap:wrap;
}
.trust-item{text-align:center;flex:1;min-width:120px;padding:8px}
.trust-num{
  font-family:"DIN Alternate","Roboto Condensed",sans-serif;
  font-size:34px;font-weight:800;color:var(--primary);line-height:1;
}
.trust-num span{color:var(--accent);font-size:28px}
.trust-item p{color:var(--text-sub);font-size:14px;margin:8px 0 0}

/* ===== 三步上手 ===== */
.steps-section{padding:20px 0 90px;background:var(--bg)}
.steps-row{margin-top:10px}
.step-col{position:relative}
.step-card{
  background:#fff;border-radius:var(--radius);border:1px solid var(--card-border);
  box-shadow:var(--shadow);padding:38px 30px;text-align:center;position:relative;
  transition:var(--transition);height:100%;
}
.step-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.step-num{
  display:block;font-family:"DIN Alternate","Roboto Condensed",sans-serif;
  font-size:44px;font-weight:800;color:rgba(255,107,53,.22);
  line-height:1;margin-bottom:16px;transition:var(--transition);
}
.step-card:hover .step-num{color:var(--accent);transform:scale(1.08)}
.step-icon{
  width:66px;height:66px;border-radius:50%;background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:26px;
  margin:0 auto 20px;box-shadow:0 8px 20px rgba(14,42,40,.2);
}
.step-card h3{font-size:20px;font-weight:700;color:var(--text);margin-bottom:12px}
.step-card p{font-size:15px;color:var(--text-sub);line-height:1.65;margin-bottom:0}
.steps-row .step-col:not(:last-child) .step-card::after{
  content:'\f054';font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:-24px;top:50%;transform:translateY(-50%);z-index:4;
  width:38px;height:38px;background:var(--accent);color:#fff;border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-size:14px;
  box-shadow:0 6px 16px rgba(255,107,53,.4);
}

/* ===== 案例证明 ===== */
.cases-section{padding:90px 0;background:#fff}
.case-card{
  background:#fff;border:1px solid var(--card-border);border-radius:var(--radius);
  box-shadow:var(--shadow);overflow:hidden;transition:var(--transition);height:100%;
}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.case-img{position:relative;aspect-ratio:16/9;overflow:hidden}
.case-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.case-card:hover .case-img img{transform:scale(1.05)}
.case-tag{
  position:absolute;top:14px;left:14px;background:var(--accent);color:#fff;
  font-size:12px;font-weight:700;padding:5px 14px;border-radius:100px;box-shadow:0 4px 12px rgba(255,107,53,.4);
}
.case-body{padding:26px 28px 28px}
.case-body h3{font-size:22px;font-weight:700;color:var(--text);margin-bottom:12px;line-height:1.4}
.case-body p{font-size:15px;color:var(--text-sub);line-height:1.7;margin-bottom:16px}
.case-quote{
  display:block;font-size:13px;color:var(--text-foot);border-left:3px solid var(--gold);
  padding-left:14px;font-style:italic;line-height:1.6;
}
.cases-row .columns{margin-bottom:24px}
.cases-row .columns:last-child{margin-bottom:0}

/* ===== 最新信息 ===== */
.news-section{padding:90px 0;background:var(--bg)}
.cms-grid{margin-top:10px}
.news-card{
  background:#fff;border:1px solid var(--card-border);border-radius:var(--radius);
  box-shadow:var(--shadow);overflow:hidden;transition:var(--transition);height:100%;
  display:flex;flex-direction:column;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.news-thumb{display:block;aspect-ratio:16/9;overflow:hidden;background:var(--card-border)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-body{padding:20px 22px 22px;flex:1;display:flex;flex-direction:column}
.cat-badge{
  align-self:flex-start;background:rgba(244,185,66,.2);color:#9b7416;
  font-size:12px;font-weight:700;padding:4px 14px;border-radius:100px;margin-bottom:12px;
}
.news-body h3{font-size:18px;font-weight:700;line-height:1.45;margin-bottom:10px}
.news-body h3 a{color:var(--text);transition:var(--transition)}
.news-body h3 a:hover{color:var(--accent)}
.news-body .news-excerpt{
  font-size:14px;color:var(--text-sub);line-height:1.65;flex:1;margin-bottom:14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  display:flex;justify-content:space-between;align-items:center;
  padding-top:14px;border-top:1px solid var(--card-border);
}
.news-date{font-size:13px;color:var(--text-foot)}
.read-more{font-size:14px;color:var(--primary);font-weight:600;display:inline-flex;align-items:center;gap:6px}
.read-more:hover{color:var(--accent)}
.read-more:hover i{transform:translateX(4px)}
.read-more i{transition:transform .3s ease}
.cms-col{margin-bottom:24px}
.cms-col:last-child{margin-bottom:0}
.news-empty{
  border:2px dashed var(--card-border);border-radius:var(--radius);
  padding:70px 20px;text-align:center;background:#fff;
}
.news-empty i{font-size:42px;color:var(--text-foot);margin-bottom:14px;display:block}
.news-empty p{color:var(--text-sub);font-size:15px;margin-bottom:0}

/* ===== FAQ ===== */
.faq-section{padding:90px 0;background:#fff}
.faq-left h2{font-size:34px;color:var(--primary);font-weight:800;line-height:1.3;margin-bottom:16px}
.faq-left p{color:var(--text-sub);font-size:16px;line-height:1.7;margin-bottom:26px}
.contact-link{
  display:inline-flex;align-items:center;gap:10px;color:var(--accent);
  font-weight:700;font-size:16px;border:2px solid rgba(255,107,53,.35);
  padding:12px 26px;border-radius:10px;transition:var(--transition);
}
.contact-link:hover{background:var(--accent);color:#fff;border-color:var(--accent);transform:translateY(-2px)}
.faq-accordion{background:transparent;border:none;margin:0}
.faq-accordion .accordion-item{
  background:#fff;border:1px solid var(--card-border);border-radius:12px;
  margin-bottom:12px;overflow:hidden;transition:var(--transition);
}
.faq-accordion .accordion-item.is-active{
  box-shadow:var(--shadow);border-left:3px solid var(--accent);
}
.faq-accordion .accordion-title{
  background:#fff;border:none;font-size:16px;font-weight:600;color:var(--text);
  padding:20px 52px 20px 22px;position:relative;display:block;margin:0;
  transition:background .2s ease;
}
.faq-accordion .accordion-title:hover{background:#faf9f6;color:var(--primary)}
.faq-accordion .accordion-title::before,.faq-accordion .accordion-title::after{
  content:'' !important;position:absolute;right:22px;top:50%;background:var(--accent);
  border-radius:2px;transition:transform .3s ease,opacity .3s ease;
}
.faq-accordion .accordion-title::before{width:14px;height:2px;transform:translateY(-50%)}
.faq-accordion .accordion-title::after{width:2px;height:14px;transform:translateY(-50%)}
.faq-accordion .accordion-item.is-active .accordion-title::after{transform:translateY(-50%) scaleY(0)}
.faq-accordion .accordion-content{
  background:#fff;border:none;color:var(--text-sub);font-size:15px;
  line-height:1.7;padding:0 24px 22px;
}
.faq-accordion .accordion-content p{margin-bottom:0}

/* ===== CTA ===== */
.cta-section{padding:90px 0;background:var(--bg)}
.cta-panel{
  background:var(--panel-dark);border-radius:22px;padding:70px 44px;text-align:center;
  position:relative;overflow:hidden;box-shadow:0 20px 50px rgba(14,42,40,.25);
}
.cta-panel::before{
  content:'';position:absolute;inset:0;
  background:repeating-linear-gradient(135deg,transparent 0 22px,rgba(255,107,53,.07) 22px 24px);
}
.cta-panel::after{
  content:'';position:absolute;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,107,53,.18),transparent 65%);
  top:-120px;right:-100px;
}
.cta-panel h2{color:#fff;font-size:clamp(26px,3vw,34px);font-weight:800;margin-bottom:14px;position:relative;z-index:2}
.cta-panel p{color:rgba(255,255,255,.8);font-size:17px;margin-bottom:32px;position:relative;z-index:2}
.cta-panel .btn{position:relative;z-index:2}

/* ===== 页脚 ===== */
.site-footer{background:var(--primary);color:rgba(255,255,255,.7);padding:70px 0 0}
.footer-grid{padding-bottom:46px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.footer-brand .brand-icon{
  width:40px;height:40px;background:var(--accent);border-radius:11px;
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;
  box-shadow:0 4px 14px rgba(255,107,53,.35);
}
.footer-brand .brand-text{color:#fff;font-size:20px;font-weight:800;letter-spacing:.5px}
.footer-desc{font-size:14px;line-height:1.75;color:rgba(255,255,255,.55);margin-bottom:0;max-width:300px}
.site-footer h4{color:#fff;font-size:16px;font-weight:700;margin-bottom:20px}
.site-footer ul li{margin-bottom:10px;font-size:14px;display:flex;align-items:center;gap:8px}
.site-footer ul li i{color:var(--gold);font-size:13px;width:16px}
.site-footer ul li a{color:rgba(255,255,255,.65);transition:var(--transition)}
.site-footer ul li a:hover{color:var(--gold);padding-left:4px}
.footer-bottom{padding:22px 0;text-align:center;font-size:13px;color:rgba(255,255,255,.45)}

/* ===== 响应式 ===== */
@media (max-width:1023px){
  .desktop-nav{display:none}
  .menu-toggle{display:inline-flex}
  .header-cta{display:none}
  .hero{padding:70px 0 90px}
  .hero-inner{flex-direction:column;gap:50px}
  .hero-content{text-align:center}
  .hero-sub{margin-left:auto;margin-right:auto}
  .hero-actions,.hero-points{justify-content:center}
  .hero-visual{min-height:340px;width:100%}
  .hero-card-main{right:auto;left:calc(50% + 10px);transform:translateX(-50%)}
  .hero-card-sub{left:calc(50% - 20px);transform:translateX(-50%)}
  .steps-row .step-col:not(:last-child) .step-card::after{display:none}
  .faq-left{margin-bottom:40px;text-align:center}
  .section-head.with-link{flex-direction:column;align-items:flex-start}
  .footer-grid .columns{margin-bottom:36px}
}
@media (max-width:639px){
  .site-header{top:8px}
  .brand-text{font-size:17px}
  .header-inner{padding:8px 12px;border-radius:14px}
  .hero{padding:56px 0 80px}
  .hero h1{font-size:30px}
  .hero-sub{font-size:16px}
  .hero-points{flex-direction:column;gap:10px;align-items:center}
  .hero-visual{min-height:auto;display:flex;flex-direction:column;gap:16px}
  .hero-card-main,.hero-card-sub{position:static;transform:none;width:100%}
  .hero-card-main img{height:200px}
  .hero-card-sub img{height:160px}
  .hero-card-sub .hero-data-badge{bottom:auto;top:12px}
  .trust-bar{margin-top:-30px;padding-bottom:60px}
  .trust-card{padding:24px 16px;gap:18px}
  .trust-item{flex:0 0 calc(50% - 18px);min-width:0}
  .trust-num{font-size:28px}
  .steps-section,.cases-section,.news-section,.faq-section,.cta-section{padding:64px 0}
  .section-head h2{font-size:26px}
  .section-head p{font-size:15px}
  .step-card{padding:30px 22px}
  .step-num{font-size:38px}
  .case-body{padding:20px}
  .case-body h3{font-size:19px}
  .faq-left h2{font-size:26px}
  .cta-panel{padding:46px 20px;border-radius:16px}
  .cta-panel p{font-size:15px}
  .faq-accordion .accordion-title{font-size:15px;padding:16px 44px 16px 18px}
  .site-footer{padding-top:56px}
  .footer-grid .columns{margin-bottom:32px}
  .footer-grid .columns:last-child{margin-bottom:0}
  .btn-lg{width:100%}
  .hero-actions .btn{width:100%;max-width:280px}
}

/* roulang page: category1 */
:root {
  --primary: #0E2A28;
  --accent: #FF6B35;
  --gold: #F4B942;
  --bg: #F6F5F1;
  --dark: #122C2A;
  --card: #FFFFFF;
  --border: #EAE5DC;
  --text: #1F2933;
  --muted: #5F6B7A;
  --foot: #8A94A0;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 4px 16px rgba(14, 42, 40, 0.08);
  --shadow-hover: 0 8px 24px rgba(14, 42, 40, 0.16);
  --transition: all 0.25s ease;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5, h6 { margin: 0; font-weight: 700; line-height: 1.3; color: var(--primary); }
p { margin: 0 0 12px; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
}

.row { max-width: 1200px; margin: 0 auto; }
.columns { padding-left: 12px; padding-right: 12px; }

/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1;
  padding: 0 24px;
  height: 46px;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn-primary:hover {
  background: #e85a24;
  border-color: #e85a24;
  color: #fff;
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(255, 107, 53, 0.32);
}
.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.7);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-3px);
}
.btn-dark {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.btn-dark:hover {
  background: #1a3d3a;
  border-color: #1a3d3a;
  color: #fff;
}
.btn-large { height: 54px; padding: 0 36px; font-size: 18px; border-radius: 10px; }

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  color: var(--primary);
}
.text-link:hover { color: var(--accent); }
.text-link i { transition: transform 0.25s ease; }
.text-link:hover i { transform: translateX(4px); }

/* ========== 页头导航 ========== */
.site-header {
  position: sticky;
  top: 16px;
  z-index: 999;
  width: calc(100% - 32px);
  max-width: 1200px;
  margin: 16px auto 0;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 8px 28px rgba(14, 42, 40, 0.08);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 12px 14px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  padding: 0 6px;
}
.brand-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: var(--primary);
  color: var(--gold);
  font-size: 18px;
  border-radius: 10px;
  transform: rotate(-8deg);
}
.brand-text {
  font-size: 20px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.desktop-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0 auto;
}
.nav-card {
  display: flex;
  align-items: center;
  gap: 9px;
  height: 62px;
  padding: 0 16px;
  border-radius: 12px;
  background: transparent;
  transition: var(--transition);
  min-width: 108px;
}
.nav-card .nav-icon {
  font-size: 20px;
  color: var(--muted);
  transition: var(--transition);
}
.nav-card .nav-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.nav-card .nav-text strong {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  transition: var(--transition);
}
.nav-card .nav-text small {
  font-size: 12px;
  color: var(--foot);
  transition: var(--transition);
}
.nav-card:hover {
  background: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(14, 42, 40, 0.22);
}
.nav-card:hover .nav-icon,
.nav-card:hover .nav-text strong {
  color: #fff;
}
.nav-card:hover .nav-text small {
  color: rgba(255, 255, 255, 0.72);
}
.nav-card.active {
  background: rgba(14, 42, 40, 0.07);
}
.nav-card.active .nav-text strong {
  color: var(--primary);
}
.nav-card.active .nav-icon {
  color: var(--accent);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.header-cta {
  height: 44px;
  padding: 0 20px;
  font-size: 15px;
}
.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 10px;
  font-size: 18px;
  color: var(--primary);
  cursor: pointer;
  transition: var(--transition);
}
.menu-toggle:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* 移动导航 */
.mobile-nav {
  display: none;
  border-top: 1px solid var(--border);
  padding: 14px;
  background: #fff;
  border-radius: 0 0 18px 18px;
}
.mobile-nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 12px;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}
.mobile-nav-item:hover {
  background: rgba(14, 42, 40, 0.06);
  color: var(--primary);
}
.mobile-nav-item.active {
  background: rgba(14, 42, 40, 0.08);
  color: var(--primary);
}
.mobile-nav-item i {
  color: var(--accent);
  width: 20px;
  text-align: center;
}
.mobile-cta {
  width: 100%;
  margin: 12px 0 4px;
}

/* ========== Hero ========== */
.page-hero {
  position: relative;
  padding: 96px 0 110px;
  background: linear-gradient(135deg, var(--primary) 0%, #16383a 58%, var(--dark) 100%);
  color: #fff;
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("/assets/images/backpic/back-1.png");
  background-size: cover;
  background-position: center;
  opacity: 0.34;
}
.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    45deg,
    rgba(255, 255, 255, 0.035) 0 2px,
    transparent 2px 18px
  );
}
.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 64px;
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(244, 185, 66, 0.16);
  border: 1px solid rgba(244, 185, 66, 0.42);
  color: var(--gold);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 100px;
  letter-spacing: 0.5px;
  margin-bottom: 22px;
}
.page-hero h1 {
  font-size: 44px;
  font-weight: 800;
  color: #fff;
  line-height: 1.25;
  margin-bottom: 18px;
}
.hero-sub {
  font-size: 20px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.92);
  margin-bottom: 14px;
  line-height: 1.4;
}
.hero-lead {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.72);
  max-width: 460px;
  margin-bottom: 32px;
  line-height: 1.8;
}
.hero-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

/* Hero 图片 */
.hero-media {
  position: relative;
  min-height: 380px;
}
.hero-card-main {
  width: 78%;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 28px 56px rgba(0, 0, 0, 0.38);
  position: relative;
  z-index: 1;
}
.hero-card-main img {
  width: 100%;
  height: 330px;
  object-fit: cover;
}
.hero-tag {
  position: absolute;
  left: 16px;
  bottom: 16px;
  background: var(--accent);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  padding: 8px 16px;
  border-radius: 100px;
  box-shadow: 0 4px 14px rgba(255, 107, 53, 0.4);
}
.hero-card-side {
  position: absolute;
  right: 0;
  bottom: -28px;
  width: 50%;
  border-radius: 18px;
  overflow: hidden;
  border: 4px solid #fff;
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.26);
  z-index: 2;
}
.hero-card-side img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

/* ========== 信任指标条 ========== */
.stats-strip {
  position: relative;
  z-index: 5;
  margin-top: -48px;
}
.stats-card {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 34px 38px;
  box-shadow: var(--shadow);
}
.stat-item {
  text-align: center;
  padding: 6px 12px;
  position: relative;
}
.stat-item:not(:last-child)::after {
  content: "";
  position: absolute;
  right: -11px;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 52px;
  background: #eee8dd;
}
.stat-item strong {
  display: block;
  font-size: 36px;
  font-weight: 800;
  font-family: "DIN Alternate", "Bahnschrift", "Arial Narrow", sans-serif;
  color: var(--primary);
  line-height: 1.2;
}
.stat-item strong em {
  font-style: normal;
  color: var(--accent);
}
.stat-item span {
  display: block;
  font-size: 14px;
  color: var(--muted);
  margin-top: 6px;
}

/* ========== 服务矩阵 ========== */
.section-block { padding: 90px 0; }
.section-block.light-bg { background: #fbfaf7; }
.section-head {
  max-width: 640px;
  margin-bottom: 48px;
}
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-tag {
  display: inline-block;
  background: rgba(255, 107, 53, 0.1);
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 100px;
  letter-spacing: 1px;
  margin-bottom: 14px;
}
.section-head h2 {
  font-size: 34px;
  line-height: 1.3;
  margin-bottom: 14px;
}
.section-head p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
}

.services-grid {
  display: grid;
  grid-template-columns: 1.55fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 24px;
}
.service-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: var(--transition);
  position: relative;
}
.service-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  border-color: #ddd5c7;
}
.service-wide {
  grid-row: span 2;
  display: flex;
  flex-direction: column;
}
.service-img {
  overflow: hidden;
  min-height: 260px;
}
.service-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.service-card:hover .service-img img {
  transform: scale(1.04);
}
.service-body {
  padding: 30px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.service-num {
  font-size: 18px;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: 1px;
  margin-bottom: 10px;
}
.service-body h3 {
  font-size: 22px;
  margin-bottom: 12px;
}
.service-body p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
  flex: 1;
  margin-bottom: 18px;
}
.service-icon {
  width: 52px;
  height: 52px;
  background: rgba(14, 42, 40, 0.07);
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--primary);
  margin-bottom: 18px;
}
.service-card.small-card { padding: 28px; }
.service-card.small-card h3 { font-size: 19px; margin-bottom: 10px; }
.service-card.small-card p { font-size: 14px; color: var(--muted); margin-bottom: 0; }

/* ========== 适用场景 ========== */
.scene-section {
  position: relative;
  padding: 90px 0;
  background:
    linear-gradient(135deg, rgba(14, 42, 40, 0.92), rgba(18, 44, 42, 0.96)),
    url("/assets/images/backpic/back-2.png");
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  color: #fff;
}
.scene-section .section-tag {
  background: rgba(244, 185, 66, 0.18);
  color: var(--gold);
}
.scene-section .section-head h2 { color: #fff; }
.scene-section .section-head p { color: rgba(255, 255, 255, 0.72); }
.scene-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 40px;
}
.scene-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  padding: 30px 26px;
  transition: var(--transition);
  backdrop-filter: blur(4px);
}
.scene-card:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(244, 185, 66, 0.4);
  transform: translateY(-4px);
}
.scene-card .scene-icon {
  width: 48px;
  height: 48px;
  background: rgba(255, 107, 53, 0.18);
  color: var(--accent);
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 16px;
}
.scene-card h3 {
  font-size: 18px;
  color: #fff;
  margin-bottom: 10px;
}
.scene-card p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.66);
  line-height: 1.65;
  margin-bottom: 0;
}

/* ========== 服务流程 ========== */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 36px;
  margin-top: 20px;
}
.process-step {
  text-align: center;
  padding: 24px 12px;
  position: relative;
}
.process-step::after {
  content: "";
  position: absolute;
  right: -24px;
  top: 34px;
  width: 28px;
  height: 2px;
  border-top: 2px dashed #c9c1b3;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' fill='%23FF6B35'%3E%3Cpath d='M6 0l6 6-6 6-1.5-1.5L9 6 4.5 1.5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right center;
  background-size: 10px 10px;
}
.process-step:last-child::after { display: none; }
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 58px;
  height: 58px;
  border-radius: 16px;
  font-size: 20px;
  font-weight: 800;
  font-family: "DIN Alternate", sans-serif;
  color: var(--accent);
  background: rgba(255, 107, 53, 0.1);
  border: 2px solid rgba(255, 107, 53, 0.35);
  margin-bottom: 18px;
  transition: var(--transition);
}
.process-step:hover .step-num {
  background: var(--accent);
  color: #fff;
}
.process-step h3 {
  font-size: 19px;
  margin-bottom: 10px;
}
.process-step p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.65;
  margin-bottom: 0;
}

/* ========== 案例证明 ========== */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.case-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.case-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.case-img {
  position: relative;
  overflow: hidden;
}
.case-img img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.case-card:hover .case-img img { transform: scale(1.04); }
.case-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--accent);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 100px;
  box-shadow: 0 4px 12px rgba(255, 107, 53, 0.34);
}
.case-body { padding: 26px 28px 28px; }
.case-body h3 {
  font-size: 21px;
  margin-bottom: 10px;
}
.case-body p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 16px;
}
.case-quote {
  border-left: 3px solid var(--gold);
  background: rgba(244, 185, 66, 0.08);
  border-radius: 0 10px 10px 0;
  padding: 12px 16px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
}
.case-quote strong {
  color: var(--primary);
  font-weight: 600;
}

/* ========== FAQ ========== */
.faq-layout {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 56px;
  align-items: start;
}
.faq-intro h2 { font-size: 34px; margin-bottom: 16px; }
.faq-intro p { color: var(--muted); margin-bottom: 22px; }
.faq-list { display: flex; flex-direction: column; gap: 14px; }
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0 22px;
  transition: var(--transition);
  overflow: hidden;
  cursor: pointer;
}
.faq-item.active {
  border-left: 3px solid var(--accent);
  box-shadow: var(--shadow);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 0;
}
.faq-question span {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.5;
}
.faq-icon {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(14, 42, 40, 0.06);
  color: var(--primary);
  font-size: 14px;
  transition: var(--transition);
}
.faq-item.active .faq-icon {
  background: var(--accent);
  color: #fff;
  transform: rotate(45deg);
}
.faq-answer {
  display: none;
  padding: 0 0 20px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
  border-top: 1px solid #f0ece4;
  padding-top: 16px;
}
.faq-item.active .faq-answer { display: block; }

/* ========== CTA ========== */
.cta-panel {
  position: relative;
  padding: 90px 0;
  background: var(--dark);
  text-align: center;
  overflow: hidden;
}
.cta-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    45deg,
    rgba(255, 107, 53, 0.06) 0 2px,
    transparent 2px 16px
  );
}
.cta-inner {
  position: relative;
  z-index: 2;
}
.cta-inner h2 {
  font-size: 38px;
  color: #fff;
  margin-bottom: 14px;
}
.cta-inner p {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.72);
  margin-bottom: 34px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}
.cta-btns {
  display: flex;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
}
.cta-note {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.5);
  margin-top: 14px;
}

/* ========== 页脚 ========== */
.site-footer {
  background: var(--primary);
  color: rgba(255, 255, 255, 0.72);
  padding: 72px 0 28px;
}
.footer-grid .columns { margin-bottom: 36px; }
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.footer-brand .brand-icon {
  background: rgba(255, 255, 255, 0.1);
  color: var(--gold);
}
.footer-brand .brand-text {
  color: #fff;
  font-size: 22px;
  font-weight: 800;
}
.footer-desc {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.6);
  max-width: 300px;
  margin-bottom: 0;
}
.site-footer h4 {
  color: #fff;
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 18px;
}
.site-footer ul li {
  margin-bottom: 10px;
  font-size: 14px;
  line-height: 1.6;
}
.site-footer ul li a {
  color: rgba(255, 255, 255, 0.62);
  transition: var(--transition);
}
.site-footer ul li a:hover {
  color: var(--gold);
  padding-left: 4px;
}
.site-footer ul li i {
  color: var(--gold);
  margin-right: 8px;
  width: 16px;
  text-align: center;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  margin-top: 8px;
  text-align: center;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.45);
}
.footer-bottom p { margin: 0; }

/* ========== 响应式 ========== */
@media (max-width: 1023px) {
  .hero-grid { grid-template-columns: 1fr; gap: 56px; }
  .hero-media { min-height: 320px; max-width: 560px; margin: 0 auto; width: 100%; }
  .hero-card-main img { height: 300px; }
  .page-hero { padding: 80px 0 100px; }
  .process-grid { grid-template-columns: repeat(2, 1fr); gap: 32px 40px; }
  .process-step::after { display: none; }
  .scene-grid { grid-template-columns: repeat(2, 1fr); }
  .faq-layout { grid-template-columns: 1fr; gap: 36px; }
  .stats-card { gap: 16px; padding: 28px 20px; }
  .stat-item strong { font-size: 30px; }
}

@media (max-width: 767px) {
  .desktop-nav, .header-cta { display: none; }
  .menu-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .header-inner { flex-wrap: wrap; }
  .mobile-nav.show { display: block; }
  .hero-grid { gap: 44px; }
  .page-hero h1 { font-size: 32px; }
  .hero-sub { font-size: 17px; }
  .hero-btns .btn { width: 100%; }
  .hero-media { min-height: 260px; }
  .hero-card-main img { height: 240px; }
  .hero-card-side { bottom: -20px; }
  .hero-card-side img { height: 140px; }
  .stats-card { grid-template-columns: repeat(2, 1fr); }
  .stat-item:not(:last-child)::after { display: none; }
  .services-grid { grid-template-columns: 1fr; }
  .service-wide { grid-row: auto; }
  .service-img { min-height: 200px; }
  .scene-grid { grid-template-columns: 1fr; }
  .cases-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .section-head h2 { font-size: 27px; }
  .section-block { padding: 56px 0; }
  .scene-section { padding: 56px 0; background-attachment: scroll; }
  .site-footer { padding: 56px 0 24px; }
  .cta-panel { padding: 56px 0; }
  .cta-inner h2 { font-size: 28px; }
  .faq-layout { gap: 28px; }
  .stat-item strong { font-size: 28px; }
}

@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .site-header { width: calc(100% - 20px); margin: 10px auto 0; top: 10px; }
  .brand-text { font-size: 17px; }
  .brand-icon { width: 34px; height: 34px; font-size: 15px; }
  .hero-card-side { width: 54%; }
  .hero-tag { font-size: 12px; padding: 6px 12px; }
  .btn { width: 100%; }
  .header-actions .btn { width: auto; }
  .faq-question span { font-size: 15px; }
}

/* roulang page: article */
:root {
    --primary: #0E2A28;
    --primary-dark: #122C2A;
    --accent: #FF6B35;
    --accent-hover: #ff8350;
    --gold: #F4B942;
    --bg: #F6F5F1;
    --card-bg: #FFFFFF;
    --border: #EAE5DC;
    --text: #1F2933;
    --text-secondary: #5F6B7A;
    --text-muted: #8A94A0;
    --radius: 14px;
    --radius-sm: 8px;
    --shadow: 0 4px 16px rgba(14,42,40,0.08);
    --shadow-hover: 0 8px 24px rgba(14,42,40,0.16);
    --container: 1200px;
    --font-main: "PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
}
* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { font-family:var(--font-main); background:var(--bg); color:var(--text); font-size:16px; line-height:1.75; -webkit-font-smoothing:antialiased; }
a { color:inherit; text-decoration:none; transition:color .25s ease, background .25s ease, box-shadow .25s ease; }
img { max-width:100%; height:auto; display:block; }
ul { list-style:none; }
button { cursor:pointer; border:none; background:none; font-family:inherit; }
.container { max-width:var(--container); margin:0 auto; padding:0 16px; }
.row { max-width:none; margin:0; display:flex; flex-wrap:wrap; }
.columns, .column { padding-left:0; padding-right:0; }

/* ===== Header ===== */
.site-header { position:sticky; top:0; z-index:1000; padding-top:16px; }
.header-inner { background:var(--card-bg); border:1px solid var(--border); border-radius:16px; box-shadow:var(--shadow); display:flex; align-items:center; gap:18px; padding:14px 20px; }
.brand { display:flex; align-items:center; gap:10px; flex-shrink:0; }
.brand-icon { width:44px; height:44px; background:var(--primary); color:var(--accent); border-radius:12px; display:flex; align-items:center; justify-content:center; font-size:20px; }
.brand-text { font-size:20px; font-weight:800; color:var(--primary); letter-spacing:.5px; }
.desktop-nav { display:flex; gap:10px; flex:1; justify-content:center; }
.nav-card { display:flex; align-items:center; gap:10px; padding:10px 16px; border-radius:12px; min-height:52px; transition:all .25s; }
.nav-card .nav-icon { font-size:18px; color:var(--accent); }
.nav-card .nav-text { display:flex; flex-direction:column; line-height:1.2; }
.nav-card .nav-text strong { font-size:14px; color:var(--text); font-weight:600; }
.nav-card .nav-text small { font-size:11px; color:var(--text-muted); }
.nav-card:hover, .nav-card.active { background:var(--primary); }
.nav-card:hover .nav-icon, .nav-card:hover .nav-text strong, .nav-card:hover .nav-text small,
.nav-card.active .nav-icon, .nav-card.active .nav-text strong, .nav-card.active .nav-text small { color:#fff; }
.header-actions { display:flex; align-items:center; gap:12px; flex-shrink:0; }
.btn { display:inline-flex; align-items:center; justify-content:center; gap:8px; border-radius:var(--radius-sm); font-weight:600; font-size:15px; padding:0 24px; height:44px; transition:all .25s ease; }
.btn-primary { background:var(--accent); color:#fff; }
.btn-primary:hover { background:var(--accent-hover); transform:translateY(-2px); box-shadow:0 8px 20px rgba(255,107,53,.3); color:#fff; }
.header-cta { width:140px; }
.menu-toggle { display:none; font-size:22px; color:var(--primary); width:44px; height:44px; border-radius:10px; background:var(--bg); align-items:center; justify-content:center; }
.mobile-nav { display:none; }

/* ===== Breadcrumb ===== */
.page-main { padding:32px 0 0; }
.breadcrumb { font-size:14px; color:var(--text-muted); padding:14px 0 24px; display:flex; flex-wrap:wrap; align-items:center; gap:6px; }
.breadcrumb a { color:var(--text-secondary); }
.breadcrumb a:hover { color:var(--accent); }
.breadcrumb .sep { color:#CBD5E0; margin:0 4px; }
.breadcrumb .current { color:var(--text); font-weight:600; max-width:320px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }

/* ===== Article ===== */
.article-wrap { background:var(--card-bg); border:1px solid var(--border); border-radius:16px; box-shadow:var(--shadow); padding:44px 52px; max-width:960px; margin:0 auto 56px; }
.article-header h1 { font-size:34px; font-weight:800; color:var(--primary); line-height:1.4; margin-bottom:18px; }
.article-meta { display:flex; flex-wrap:wrap; gap:18px; font-size:14px; color:var(--text-muted); border-bottom:1px solid var(--border); padding-bottom:22px; margin-bottom:30px; }
.article-meta span { display:inline-flex; align-items:center; gap:6px; }
.article-meta i { color:var(--accent); }
.article-content { max-width:860px; margin:0 auto; font-size:16px; line-height:1.85; color:var(--text); }
.article-content p { margin-bottom:24px; }
.article-content h2 { font-size:24px; color:var(--primary); margin:38px 0 18px; font-weight:700; line-height:1.4; }
.article-content h3 { font-size:19px; color:var(--primary); margin:28px 0 14px; font-weight:700; }
.article-content ul, .article-content ol { margin:0 0 24px 22px; }
.article-content li { margin-bottom:8px; }
.article-content img { border-radius:12px; margin:24px 0; }
.article-content figure { margin:24px 0; }
.article-content figcaption { font-size:13px; color:var(--text-muted); text-align:center; margin-top:10px; }
.article-content blockquote { border-left:4px solid var(--accent); background:rgba(255,107,53,.06); padding:20px 24px; border-radius:0 10px 10px 0; margin:24px 0; }
.article-content blockquote p { margin:0; color:var(--text-secondary); font-style:italic; }

/* ===== Not found ===== */
.not-found { text-align:center; padding:80px 24px; }
.not-found i { font-size:48px; color:var(--accent); margin-bottom:18px; }
.not-found h2 { font-size:24px; color:var(--primary); margin-bottom:12px; }
.not-found p { color:var(--text-secondary); margin-bottom:24px; }

/* ===== Post nav ===== */
.post-nav { display:flex; justify-content:space-between; gap:16px; border-top:1px solid var(--border); margin-top:40px; padding-top:28px; }
.post-nav a { display:flex; flex-direction:column; gap:6px; padding:14px 18px; border-radius:12px; border:1px solid var(--border); background:var(--bg); transition:all .25s; max-width:46%; }
.post-nav a:hover { border-color:var(--accent); background:rgba(255,107,53,.05); transform:translateY(-2px); box-shadow:var(--shadow); }
.nav-label { font-size:13px; color:var(--text-muted); display:inline-flex; align-items:center; gap:6px; }
.nav-title { font-size:15px; font-weight:600; color:var(--primary); }
.post-nav-next { text-align:right; align-items:flex-end; }

/* ===== Related ===== */
.related-section { max-width:960px; margin:0 auto 56px; }
.section-head { margin-bottom:28px; }
.section-tag { display:inline-flex; align-items:center; gap:6px; font-size:13px; font-weight:700; color:var(--accent); background:rgba(255,107,53,.1); padding:6px 14px; border-radius:20px; letter-spacing:.5px; }
.section-head h2 { font-size:28px; color:var(--primary); margin-top:14px; font-weight:800; line-height:1.3; }
.related-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.related-card { background:var(--card-bg); border:1px solid var(--border); border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow); transition:all .3s; }
.related-card:hover { box-shadow:var(--shadow-hover); transform:translateY(-4px); }
.related-thumb { aspect-ratio:16/9; overflow:hidden; background:var(--primary); }
.related-thumb img { width:100%; height:100%; object-fit:cover; transition:transform .5s; }
.related-card:hover .related-thumb img { transform:scale(1.05); }
.related-body { padding:20px 22px 24px; }
.related-cat { font-size:12px; font-weight:700; color:var(--accent); background:rgba(255,107,53,.08); padding:4px 10px; border-radius:16px; display:inline-block; margin-bottom:12px; }
.related-body h3 { font-size:18px; font-weight:700; color:var(--primary); line-height:1.45; margin-bottom:10px; }
.related-date { font-size:13px; color:var(--text-muted); display:inline-flex; align-items:center; gap:6px; }

/* ===== FAQ ===== */
.faq-section { max-width:960px; margin:0 auto 64px; }
.faq-list { display:flex; flex-direction:column; gap:16px; margin-top:24px; }
.faq-item { background:var(--card-bg); border:1px solid var(--border); border-radius:var(--radius); overflow:hidden; transition:border-color .3s; }
.faq-item.open { border-left:2px solid var(--accent); }
.faq-question { width:100%; display:flex; justify-content:space-between; align-items:center; gap:16px; padding:20px 24px; font-size:16px; font-weight:600; color:var(--text); text-align:left; transition:color .3s; }
.faq-question:hover { color:var(--primary); }
.faq-icon { display:flex; align-items:center; justify-content:center; width:28px; height:28px; border-radius:50%; background:var(--bg); color:var(--accent); font-size:14px; transition:transform .3s; flex-shrink:0; }
.faq-item.open .faq-icon { transform:rotate(45deg); background:var(--accent); color:#fff; }
.faq-answer { max-height:0; overflow:hidden; transition:max-height .35s ease, padding .35s ease; padding:0 24px; }
.faq-item.open .faq-answer { max-height:320px; padding:0 24px 22px; }
.faq-answer p { font-size:15px; line-height:1.7; color:var(--text-secondary); }

/* ===== CTA ===== */
.cta-box { max-width:960px; margin:0 auto 80px; background:var(--primary-dark); background-image:repeating-linear-gradient(45deg, rgba(255,107,53,.05) 0 2px, transparent 2px 16px), url('/assets/images/backpic/back-1.png'); background-size:auto, cover; background-position:center; border-radius:20px; padding:64px 40px; text-align:center; }
.cta-box h2 { font-size:32px; color:#fff; font-weight:800; margin-bottom:14px; line-height:1.3; }
.cta-box p { color:rgba(255,255,255,.8); font-size:16px; margin-bottom:32px; max-width:520px; margin-left:auto; margin-right:auto; }
.cta-box .btn-primary { background:var(--accent); color:#fff; padding:0 40px; height:50px; font-size:16px; }
.cta-box .btn-primary:hover { background:var(--accent-hover); transform:translateY(-2px); box-shadow:0 12px 28px rgba(255,107,53,.4); }

/* ===== Footer ===== */
.site-footer { background:var(--primary); color:rgba(255,255,255,.85); padding:64px 0 0; margin-top:40px; }
.footer-grid { gap:32px 0; }
.site-footer h4 { color:#fff; font-size:16px; font-weight:700; margin-bottom:18px; letter-spacing:.5px; }
.site-footer ul li { margin-bottom:10px; font-size:14px; }
.site-footer ul li a { color:rgba(255,255,255,.75); transition:color .3s; }
.site-footer ul li a:hover { color:var(--accent); }
.footer-brand { display:flex; align-items:center; gap:10px; margin-bottom:16px; }
.footer-brand .brand-icon { background:rgba(255,255,255,.12); color:var(--accent); }
.footer-brand .brand-text { color:#fff; font-size:20px; font-weight:800; }
.footer-desc { font-size:14px; line-height:1.75; color:rgba(255,255,255,.65); max-width:320px; }
.site-footer .columns { padding-left:16px; padding-right:16px; }
.footer-bottom { border-top:1px solid rgba(255,255,255,.12); margin-top:40px; padding:20px 0; text-align:center; font-size:13px; color:rgba(255,255,255,.5); }
.footer-bottom i { margin-right:6px; }

/* ===== Responsive ===== */
@media (max-width:1024px) {
    .desktop-nav { display:none; }
    .menu-toggle { display:flex; }
    .mobile-nav { display:none; flex-direction:column; gap:8px; padding:16px; background:var(--card-bg); border:1px solid var(--border); border-radius:14px; margin-top:10px; box-shadow:var(--shadow); }
    .mobile-nav.open { display:flex; }
    .mobile-nav-item { display:flex; align-items:center; gap:10px; padding:14px; border-radius:10px; color:var(--text); font-weight:600; font-size:15px; }
    .mobile-nav-item active, .mobile-nav-item:hover { background:var(--primary); color:#fff; }
    .mobile-cta { width:100%; }
    .related-grid { grid-template-columns:repeat(2,1fr); }
}
@media (max-width:768px) {
    .article-wrap { padding:28px 22px; }
    .article-header h1 { font-size:28px; }
    .breadcrumb .current { max-width:200px; }
    .cta-box { padding:48px 24px; }
    .cta-box h2 { font-size:26px; }
    .post-nav { flex-direction:column; }
    .post-nav a { max-width:100%; }
    .post-nav-next { text-align:left; align-items:flex-start; }
    .footer-grid { flex-direction:column; }
}
@media (max-width:640px) {
    .page-main { padding-top:20px; }
    .header-inner { padding:12px 14px; }
    .brand-text { font-size:18px; }
    .header-cta { display:none; }
    .breadcrumb { font-size:13px; }
    .breadcrumb .current { max-width:140px; }
    .article-wrap { padding:24px 16px; border-radius:14px; }
    .article-header h1 { font-size:24px; }
    .article-meta { gap:10px; font-size:13px; }
    .related-grid { grid-template-columns:1fr; }
    .cta-box { padding:40px 20px; border-radius:16px; }
    .cta-box h2 { font-size:22px; }
    .btn-primary { width:100%; }
    .site-footer { padding-top:48px; }
}

/* roulang page: category2 */
/* ============ 设计变量 ============ */
        :root {
            --primary: #0E2A28;
            --accent: #FF6B35;
            --gold: #F4B942;
            --bg: #F6F5F1;
            --dark-panel: #122C2A;
            --card-bg: #FFFFFF;
            --card-border: #EAE5DC;
            --text-main: #1F2933;
            --text-sub: #5F6B7A;
            --text-foot: #8A94A0;
            --radius-card: 14px;
            --radius-img: 12px;
            --radius-btn: 8px;
            --shadow-default: 0 4px 16px rgba(14, 42, 40, 0.08);
            --shadow-hover: 0 8px 24px rgba(14, 42, 40, 0.16);
            --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-num: "DIN Alternate", "Bahnschrift", sans-serif;
        }

        /* ============ 基础 Reset ============ */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-main);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-main);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            display: block;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.3s ease;
        }

        a:hover {
            color: var(--accent);
        }

        ul {
            list-style: none;
        }

        button {
            border: none;
            background: none;
            cursor: pointer;
            font-family: inherit;
        }

        input,
        textarea {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
            width: 100%;
            margin: 0 auto;
            padding: 0 16px;
        }

        /* ============ 按钮 ============ */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            line-height: 1;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            transition: all 0.3s ease;
            cursor: pointer;
            border: 2px solid transparent;
            text-align: center;
        }

        .btn:focus-visible {
            outline: 3px solid rgba(255, 107, 53, 0.35);
            outline-offset: 2px;
        }

        .btn-primary {
            background-color: var(--accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(255, 107, 53, 0.3);
        }

        .btn-primary:hover {
            background-color: #ff7a4d;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(255, 107, 53, 0.4);
        }

        .btn-ghost {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.6);
        }

        .btn-ghost:hover {
            border-color: #fff;
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }

        .btn-light {
            background: #fff;
            color: var(--primary);
            box-shadow: 0 4px 14px rgba(14, 42, 40, 0.12);
        }

        .btn-light:hover {
            background: #f0f0f0;
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(14, 42, 40, 0.16);
        }

        /* ============ 导航 Header ============ */
        .site-header {
            position: fixed;
            top: 16px;
            left: 0;
            right: 0;
            z-index: 100;
            pointer-events: none;
        }

        .site-header .container {
            pointer-events: auto;
        }

        .header-inner {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-radius: 16px;
            border: 1px solid var(--card-border);
            box-shadow: 0 8px 30px rgba(14, 42, 40, 0.1);
            padding: 10px 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            cursor: pointer;
        }

        .brand-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), #1A4A46);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 18px;
            box-shadow: 0 4px 12px rgba(14, 42, 40, 0.25);
        }

        .brand-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.5px;
        }

        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-card {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 14px;
            border-radius: 12px;
            background: var(--bg);
            border: 1px solid transparent;
            min-width: 132px;
            transition: all 0.3s ease;
        }

        .nav-card .nav-icon {
            font-size: 18px;
            color: var(--primary);
            transition: color 0.3s ease;
        }

        .nav-card .nav-text {
            display: flex;
            flex-direction: column;
            line-height: 1.25;
        }

        .nav-card .nav-text strong {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            transition: color 0.3s ease;
        }

        .nav-card .nav-text small {
            font-size: 11px;
            color: var(--text-sub);
            transition: color 0.3s ease;
        }

        .nav-card:hover,
        .nav-card.active {
            background: var(--primary);
            border-color: var(--primary);
            box-shadow: 0 6px 16px rgba(14, 42, 40, 0.2);
            transform: translateY(-2px);
        }

        .nav-card:hover .nav-icon,
        .nav-card.active .nav-icon {
            color: var(--accent);
        }

        .nav-card:hover .nav-text strong,
        .nav-card.active .nav-text strong {
            color: #fff;
        }

        .nav-card:hover .nav-text small,
        .nav-card.active .nav-text small {
            color: rgba(255, 255, 255, 0.7);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .header-cta {
            padding: 11px 24px;
            font-size: 14px;
        }

        .menu-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: var(--primary);
            color: #fff;
            font-size: 18px;
            align-items: center;
            justify-content: center;
            transition: background 0.3s ease;
        }

        .menu-toggle:hover {
            background: var(--accent);
        }

        .mobile-nav {
            display: none;
            margin-top: 10px;
            background: #fff;
            border-radius: 16px;
            border: 1px solid var(--card-border);
            box-shadow: 0 10px 30px rgba(14, 42, 40, 0.12);
            padding: 14px;
            flex-direction: column;
            gap: 8px;
        }

        .mobile-nav.open {
            display: flex;
        }

        .mobile-nav-item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 14px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            background: var(--bg);
            transition: all 0.3s ease;
        }

        .mobile-nav-item:hover,
        .mobile-nav-item.active {
            background: var(--primary);
            color: #fff;
        }

        .mobile-nav-item i {
            width: 20px;
            text-align: center;
            color: var(--primary);
        }

        .mobile-nav-item:hover i,
        .mobile-nav-item.active i {
            color: var(--accent);
        }

        .mobile-cta {
            width: 100%;
            margin-top: 4px;
        }

        /* ============ Hero 主视觉 ============ */
        .hero-section {
            background: linear-gradient(135deg, #0E2A28 0%, #1A3A36 55%, #122C2A 100%);
            padding: 160px 0 80px;
            position: relative;
            overflow: hidden;
            color: #fff;
        }

        .hero-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: repeating-linear-gradient(-45deg,
                    rgba(255, 255, 255, 0.035) 0px,
                    rgba(255, 255, 255, 0.035) 1px,
                    transparent 1px,
                    transparent 14px);
            pointer-events: none;
        }

        .hero-section::after {
            content: "";
            position: absolute;
            right: -80px;
            bottom: -120px;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 107, 53, 0.18) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 48px;
        }

        .hero-copy {
            flex: 1.1;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 107, 53, 0.16);
            border: 1px solid rgba(255, 107, 53, 0.4);
            color: var(--accent);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 100px;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }

        .hero-copy h1 {
            font-size: 46px;
            line-height: 1.3;
            font-weight: 800;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: 1px;
        }

        .hero-copy h1 .highlight {
            color: var(--accent);
        }

        .hero-subtitle {
            font-size: 18px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.85);
            max-width: 540px;
            margin-bottom: 32px;
        }

        .hero-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .hero-visual {
            flex: 0.9;
            position: relative;
            min-height: 380px;
        }

        .hero-visual::before {
            content: "";
            position: absolute;
            top: 20px;
            left: -20px;
            width: 100%;
            height: 100%;
            border-radius: 18px;
            background: rgba(255, 107, 53, 0.12);
            transform: rotate(3deg);
        }

        .hero-visual::after {
            content: "";
            position: absolute;
            bottom: -14px;
            right: -14px;
            width: 180px;
            height: 180px;
            border-radius: 18px;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.6;
            transform: rotate(2deg);
            border: 3px solid rgba(255, 255, 255, 0.2);
        }

        .hero-visual-main {
            position: relative;
            z-index: 2;
            border-radius: 18px;
            overflow: hidden;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
            border: 3px solid rgba(255, 255, 255, 0.25);
        }

        .hero-visual-main img {
            width: 100%;
            height: 300px;
            object-fit: cover;
        }

        .hero-badge-num {
            position: absolute;
            z-index: 3;
            bottom: 24px;
            left: 24px;
            background: rgba(14, 42, 40, 0.92);
            backdrop-filter: blur(6px);
            border-radius: 14px;
            padding: 14px 20px;
            border: 1px solid rgba(255, 107, 53, 0.4);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
        }

        .hero-badge-num .num {
            font-family: var(--font-num);
            font-size: 30px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1;
        }

        .hero-badge-num .label {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.8);
            margin-top: 4px;
        }

        /* ============ 信任指标条 ============ */
        .stats-bar {
            background: #fff;
            border-radius: 16px;
            border: 1px solid var(--card-border);
            box-shadow: var(--shadow-default);
            margin-top: -40px;
            position: relative;
            z-index: 10;
            padding: 30px 20px;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-item {
            text-align: center;
            padding: 8px 12px;
            position: relative;
        }

        .stat-item:not(:last-child)::after {
            content: "";
            position: absolute;
            right: 0;
            top: 20%;
            height: 60%;
            width: 1px;
            background: var(--card-border);
        }

        .stat-num {
            font-family: var(--font-num);
            font-size: 34px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }

        .stat-num .unit {
            font-size: 20px;
            color: var(--accent);
            margin-left: 2px;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-sub);
            margin-top: 4px;
        }

        /* ============ 通用区块 ============ */
        .section {
            padding: 90px 0;
        }

        .section-tight {
            padding: 60px 0;
        }

        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 50px;
        }

        .section-badge {
            display: inline-block;
            background: rgba(255, 107, 53, 0.1);
            border: 1px solid rgba(255, 107, 53, 0.3);
            color: var(--accent);
            font-size: 13px;
            font-weight: 600;
            padding: 5px 16px;
            border-radius: 100px;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .section-head h2 {
            font-size: 34px;
            line-height: 1.3;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .section-head .section-desc {
            font-size: 16px;
            color: var(--text-sub);
            line-height: 1.7;
        }

        /* ============ 核心服务图文区块 ============ */
        .service-feature {
            display: flex;
            align-items: center;
            gap: 50px;
            background: #fff;
            border-radius: 18px;
            border: 1px solid var(--card-border);
            box-shadow: var(--shadow-default);
            padding: 40px;
            overflow: hidden;
        }

        .service-feature-img {
            flex: 1;
            border-radius: var(--radius-img);
            overflow: hidden;
            position: relative;
        }

        .service-feature-img img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

        .service-feature:hover .service-feature-img img {
            transform: scale(1.03);
        }

        .service-feature-img::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, rgba(14, 42, 40, 0.5), transparent);
        }

        .service-feature-body {
            flex: 1;
        }

        .service-feature-body h3 {
            font-size: 24px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .service-feature-body .lead {
            font-size: 15px;
            color: var(--text-sub);
            margin-bottom: 24px;
            line-height: 1.7;
        }

        .service-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
        }

        .service-item {
            background: var(--bg);
            border-radius: 12px;
            padding: 16px;
            border: 1px solid var(--card-border);
            transition: all 0.3s ease;
        }

        .service-item:hover {
            border-color: rgba(255, 107, 53, 0.4);
            box-shadow: 0 6px 16px rgba(14, 42, 40, 0.08);
            transform: translateY(-2px);
        }

        .service-item .service-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: rgba(255, 107, 53, 0.12);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            margin-bottom: 10px;
        }

        .service-item h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
        }

        .service-item p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.6;
        }

        /* ============ 适用场景卡片 ============ */
        .scenes-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .scene-card {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--card-border);
            box-shadow: var(--shadow-default);
            overflow: hidden;
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }

        .scene-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .scene-card-img {
            position: relative;
            overflow: hidden;
            height: 180px;
        }

        .scene-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .scene-card:hover .scene-card-img img {
            transform: scale(1.05);
        }

        .scene-card-img::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(14, 42, 40, 0.35), transparent);
        }

        .scene-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            background: rgba(255, 107, 53, 0.9);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 100px;
            backdrop-filter: blur(4px);
        }

        .scene-card-body {
            padding: 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .scene-card-body h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .scene-card-body p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.65;
            flex: 1;
        }

        .scene-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--accent);
            margin-top: 16px;
            transition: gap 0.3s ease;
        }

        .scene-link:hover {
            gap: 10px;
            color: var(--primary);
        }

        /* ============ 运营流程 ============ */
        .process-section {
            background: var(--dark-panel);
            position: relative;
            overflow: hidden;
            color: #fff;
        }

        .process-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: repeating-linear-gradient(-45deg,
                    rgba(255, 255, 255, 0.03) 0px,
                    rgba(255, 255, 255, 0.03) 1px,
                    transparent 1px,
                    transparent 10px);
        }

        .process-section .section-head h2 {
            color: #fff;
        }

        .process-section .section-head .section-desc {
            color: rgba(255, 255, 255, 0.7);
        }

        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
            z-index: 2;
        }

        .process-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 16px;
            padding: 28px 22px;
            text-align: center;
            position: relative;
            transition: all 0.3s ease;
        }

        .process-card:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 107, 53, 0.5);
            transform: translateY(-4px);
        }

        .process-num {
            font-family: var(--font-num);
            font-size: 40px;
            font-weight: 700;
            color: transparent;
            -webkit-text-stroke: 2px var(--accent);
            line-height: 1;
            margin-bottom: 14px;
            display: block;
            transition: all 0.3s ease;
        }

        .process-card:hover .process-num {
            color: var(--accent);
            -webkit-text-stroke: 2px var(--accent);
        }

        .process-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(255, 107, 53, 0.15);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin: 0 auto 16px;
        }

        .process-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }

        .process-card p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.6;
        }

        .process-arrow {
            position: absolute;
            right: -22px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--accent);
            font-size: 18px;
            z-index: 3;
        }

        /* ============ 案例证明 ============ */
        .case-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }

        .case-card {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--card-border);
            box-shadow: var(--shadow-default);
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .case-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .case-card-img {
            position: relative;
            height: 220px;
            overflow: hidden;
        }

        .case-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .case-card:hover .case-card-img img {
            transform: scale(1.04);
        }

        .case-tag {
            position: absolute;
            top: 16px;
            right: 16px;
            background: var(--accent);
            color: #fff;
            font-size: 13px;
            font-weight: 700;
            font-family: var(--font-num);
            padding: 6px 14px;
            border-radius: 100px;
            box-shadow: 0 4px 14px rgba(255, 107, 53, 0.35);
        }

        .case-card-body {
            padding: 24px;
        }

        .case-card-body h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .case-card-body p {
            font-size: 15px;
            color: var(--text-sub);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .case-quote {
            font-size: 14px;
            color: var(--text-foot);
            border-left: 3px solid var(--accent);
            padding-left: 14px;
            background: var(--bg);
            border-radius: 0 8px 8px 0;
            padding-top: 8px;
            padding-bottom: 8px;
        }

        /* ============ FAQ ============ */
        .faq-section {
            background: #fff;
        }

        .faq-layout {
            display: flex;
            gap: 50px;
            align-items: flex-start;
        }

        .faq-intro {
            flex: 0 0 300px;
        }

        .faq-intro h2 {
            font-size: 34px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.3;
            margin-bottom: 14px;
        }

        .faq-intro p {
            font-size: 15px;
            color: var(--text-sub);
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .faq-contact-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            color: var(--accent);
            transition: gap 0.3s ease;
        }

        .faq-contact-link:hover {
            gap: 12px;
            color: var(--primary);
        }

        .faq-list {
            flex: 1;
        }

        .faq-item {
            background: var(--bg);
            border: 1px solid var(--card-border);
            border-radius: 14px;
            margin-bottom: 14px;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .faq-item.active {
            background: #fff;
            border-color: rgba(255, 107, 53, 0.35);
            box-shadow: 0 6px 18px rgba(14, 42, 40, 0.06);
        }

        .faq-item.active .faq-question {
            border-left: 3px solid var(--accent);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 20px;
            font-size: 16px;
            font-weight: 600;
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            border-left: 3px solid transparent;
            transition: border-color 0.3s ease;
        }

        .faq-question .faq-icon {
            font-size: 14px;
            color: var(--accent);
            flex-shrink: 0;
            transition: transform 0.3s ease;
        }

        .faq-item.active .faq-question .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
        }

        .faq-answer p {
            padding: 0 20px 18px 24px;
            font-size: 15px;
            color: var(--text-sub);
            line-height: 1.7;
        }

        /* ============ CTA 区块 ============ */
        .cta-section {
            background: var(--dark-panel);
            position: relative;
            overflow: hidden;
            padding: 80px 0;
            text-align: center;
            color: #fff;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: repeating-linear-gradient(-45deg,
                    rgba(255, 107, 53, 0.06) 0px,
                    rgba(255, 107, 53, 0.06) 1px,
                    transparent 1px,
                    transparent 16px);
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
        }

        .cta-section h2 {
            font-size: 34px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 1px;
        }

        .cta-section p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 36px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: #0E2A28;
            color: rgba(255, 255, 255, 0.75);
            padding: 60px 0 30px;
        }

        .footer-grid {
            margin-bottom: 40px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .footer-brand .brand-icon {
            background: rgba(255, 255, 255, 0.1);
        }

        .footer-brand .brand-text {
            color: #fff;
            font-size: 20px;
            font-weight: 700;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
        }

        .site-footer h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .site-footer h4::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 3px;
            border-radius: 2px;
            background: var(--accent);
        }

        .site-footer ul {
            list-style: none;
            padding: 0;
        }

        .site-footer ul li {
            margin-bottom: 10px;
            font-size: 14px;
            line-height: 1.6;
        }

        .site-footer ul li a {
            color: rgba(255, 255, 255, 0.6);
            transition: color 0.3s ease;
        }

        .site-footer ul li a:hover {
            color: var(--accent);
        }

        .site-footer ul li i {
            margin-right: 8px;
            color: var(--accent);
            width: 14px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 22px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

        /* ============ 响应式断点 ============ */
        @media (max-width: 1024px) {
            .hero-copy h1 {
                font-size: 36px;
            }

            .hero-inner {
                gap: 28px;
            }

            .service-feature {
                flex-direction: column;
                padding: 28px;
            }

            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .process-arrow {
                display: none;
            }

            .faq-layout {
                flex-direction: column;
                gap: 30px;
            }

            .faq-intro {
                flex: none;
                width: 100%;
            }
        }

        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }

            .menu-toggle {
                display: flex;
            }

            .header-cta {
                display: none;
            }

            .hero-section {
                padding: 130px 0 60px;
            }

            .hero-inner {
                flex-direction: column;
            }

            .hero-copy {
                text-align: center;
            }

            .hero-copy h1 {
                font-size: 30px;
            }

            .hero-subtitle {
                margin-left: auto;
                margin-right: auto;
                font-size: 16px;
            }

            .hero-buttons {
                justify-content: center;
            }

            .hero-visual {
                width: 100%;
                min-height: auto;
            }

            .hero-visual::before {
                display: none;
            }

            .hero-visual::after {
                display: none;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .stat-item::after {
                display: none;
            }

            .scenes-grid {
                grid-template-columns: 1fr;
            }

            .case-grid {
                grid-template-columns: 1fr;
            }

            .service-list {
                grid-template-columns: 1fr;
            }

            .section {
                padding: 60px 0;
            }

            .section-head h2 {
                font-size: 26px;
            }

            .cta-section h2 {
                font-size: 26px;
            }

            .process-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 520px) {
            .header-inner {
                padding: 8px 12px;
            }

            .brand-text {
                font-size: 16px;
            }

            .brand-icon {
                width: 34px;
                height: 34px;
                font-size: 14px;
            }

            .hero-copy h1 {
                font-size: 26px;
            }

            .hero-subtitle {
                font-size: 15px;
            }

            .hero-buttons .btn {
                width: 100%;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }

            .stat-num {
                font-size: 28px;
            }

            .service-feature {
                padding: 20px;
            }

            .service-feature-img img {
                height: 220px;
            }

            .scene-card-img,
            .case-card-img {
                height: 170px;
            }

            .cta-buttons .btn {
                width: 100%;
            }

            .footer-brand .brand-text {
                font-size: 17px;
            }
        }