/* roulang page: index */
:root{
  --primary:#E8452C;
  --primary-dark:#C1272D;
  --accent:#C7F464;
  --ink:#111316;
  --text-body:#6C737A;
  --bg:#F6F7F9;
  --card-bg:#FFFFFF;
  --line:#E7EBEE;
  --radius:14px;
  --pill:999px;
  --shadow-sm:0 2px 8px rgba(17,19,22,.06);
  --shadow-md:0 8px 24px rgba(17,19,22,.10);
  --shadow-lg:0 16px 40px rgba(17,19,22,.16);
  --font-cn:PingFang SC,HarmonyOS Sans SC,Microsoft YaHei,Noto Sans SC,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--font-cn);
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
a:hover{color:inherit}
ul,ol{padding:0;margin:0;list-style:none}
h1,h2,h3,h4,h5,h6{
  font-family:var(--font-cn);
  font-weight:700;
  line-height:1.25;
  margin:0 0 16px;
}
p{margin:0 0 24px}
.container{max-width:1200px;padding-left:20px;padding-right:20px}
.section{padding:80px 0}
.section-head{margin-bottom:44px}
.section-eyebrow{
  display:inline-block;
  font-size:12px;
  font-weight:700;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--primary);
  background:rgba(232,69,44,.10);
  padding:6px 16px;
  border-radius:var(--pill);
  margin-bottom:16px;
}
.section h2{font-size:28px;letter-spacing:.02em}
.section h2 + p{margin-top:12px;color:var(--text-body);line-height:1.75}

/* Buttons */
.btn{
  height:48px;
  padding:0 28px;
  border-radius:10px;
  font-size:16px;
  font-weight:600;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border:1px solid transparent;
  transition:all .2s ease;
  letter-spacing:.03em;
}
.btn-primary{
  background:var(--primary);
  color:#fff;
  border-color:var(--primary);
}
.btn-primary:hover{
  background:var(--primary-dark);
  border-color:var(--primary-dark);
  transform:translateY(-2px);
  box-shadow:var(--shadow-md);
  color:#fff;
}
.btn-outline-light{
  background:transparent;
  color:#fff;
  border-color:rgba(255,255,255,.75);
}
.btn-outline-light:hover{
  background:rgba(255,255,255,.10);
  border-color:#fff;
  color:#fff;
  transform:translateY(-2px);
}
.text-btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--primary);
  font-weight:600;
  font-size:15px;
  transition:gap .2s ease;
}
.text-btn:hover{gap:12px;color:var(--primary-dark)}
.icon-btn{
  width:38px;
  height:38px;
  border-radius:50%;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:var(--bg);
  color:var(--ink);
  border:1px solid var(--line);
  transition:all .2s ease;
}
.icon-btn:hover{
  background:var(--primary);
  color:#fff;
  border-color:var(--primary);
}

/* Navbar Top Layer */
.navbar-top{
  background:var(--ink);
  color:#fff;
  height:40px;
  transition:all .3s ease;
  overflow:hidden;
}
.navbar-top.hide{height:0;opacity:0}
.navbar-top .container{
  height:40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.top-brand{
  font-size:13px;
  font-weight:700;
  color:#fff;
  letter-spacing:.08em;
  display:flex;
  align-items:center;
  gap:6px;
}
.top-brand i{color:var(--primary);font-size:14px}
.top-tools{display:flex;align-items:center;gap:20px}
.top-tools a{
  color:rgba(255,255,255,.75);
  font-size:13px;
  display:inline-flex;
  align-items:center;
  gap:6px;
  transition:color .2s ease;
}
.top-tools a:hover{color:var(--accent)}

/* Navbar Main */
.navbar-main{
  background:var(--card-bg);
  height:56px;
  padding:0;
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s ease;
}
.navbar-main.sticky-top{position:sticky;top:0;z-index:1030}
.navbar-main.scrolled{box-shadow:var(--shadow-sm)}
.navbar-main .nav-container{
  height:56px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.navbar-brand{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:18px;
  font-weight:700;
  color:var(--ink);
  padding:0;
}
.navbar-brand .brand-sub{color:var(--primary);font-weight:400}
.logo-icon{
  width:28px;
  height:28px;
  border-radius:8px;
  background:var(--primary);
  color:#fff;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:14px;
}
.navbar-nav{gap:28px}
.navbar-nav .nav-link{
  font-size:15px;
  font-weight:600;
  color:var(--ink);
  padding:16px 0;
  position:relative;
  white-space:nowrap;
}
.navbar-nav .nav-link::after{
  content:'';
  position:absolute;
  left:0;
  bottom:8px;
  width:0;
  height:2px;
  background:var(--primary);
  border-radius:2px;
  transition:width .2s ease;
}
.navbar-nav .nav-link:hover::after,.navbar-nav .nav-link.active::after{width:100%}
.navbar-nav .nav-link.active{color:var(--primary)}
.nav-actions{display:flex;align-items:center;gap:14px}
.hot-pill{
  font-size:12px;
  font-weight:600;
  background:rgba(199,244,100,.18);
  color:#4A6B14;
  padding:6px 14px;
  border-radius:var(--pill);
  white-space:nowrap;
}
.navbar-toggler{
  border:1px solid var(--line);
  border-radius:8px;
  padding:4px 8px;
}
.navbar-toggler-icon{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='%23111316' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
  width:18px;
  height:18px;
}

/* Hero */
.hero{
  min-height:80vh;
  background-size:cover;
  background-position:center;
  position:relative;
  display:flex;
  align-items:center;
}
.hero-overlay{
  position:absolute;
  inset:0;
  background:linear-gradient(88deg,rgba(17,19,22,.92) 0%,rgba(17,19,22,.70) 45%,rgba(17,19,22,.35) 100%);
}
.hero-content{
  position:relative;
  z-index:2;
  color:#fff;
  padding-top:64px;
  padding-bottom:64px;
  max-width:1200px;
}
.hero-eyebrow{
  display:inline-block;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.20);
  color:#fff;
  font-size:13px;
  font-weight:600;
  letter-spacing:.10em;
  padding:8px 20px;
  border-radius:var(--pill);
  margin-bottom:28px;
}
.hero h1{
  font-size:40px;
  font-weight:700;
  line-height:1.25;
  max-width:640px;
  margin-bottom:20px;
  letter-spacing:.02em;
}
.hero .lead{
  font-size:17px;
  color:rgba(255,255,255,.90);
  max-width:460px;
  line-height:1.75;
  margin-bottom:36px;
}
.hero-buttons{display:flex;gap:14px;flex-wrap:wrap}
.hero-pills{
  position:absolute;
  right:20px;
  bottom:32px;
  display:flex;
  gap:10px;
}
.hero-pills span{
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.24);
  backdrop-filter:blur(4px);
  color:#fff;
  font-size:13px;
  font-weight:600;
  padding:8px 16px;
  border-radius:var(--pill);
}

/* Story Section */
.story{background:var(--card-bg)}
.story .section h2{font-size:30px;line-height:1.35}
.story .section p{color:var(--text-body)}
.numbered-list{margin-top:32px}
.numbered-item{
  display:flex;
  gap:20px;
  padding:20px 0;
  border-bottom:1px solid var(--line);
  align-items:flex-start;
}
.numbered-item:last-child{border-bottom:none}
.numbered-item .num{
  font-size:34px;
  font-weight:800;
  font-family:'Oswald',sans-serif;
  color:var(--primary);
  line-height:1;
  margin-top:2px;
  min-width:52px;
}
.numbered-item h3{font-size:17px;font-weight:700;margin-bottom:6px}
.numbered-item p{margin:0;color:var(--text-body);font-size:14px;line-height:1.6}
.story-image{
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow-lg);
  position:relative;
}
.story-image img{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover}

/* News / CMS */
.news{background:var(--bg)}
.news-feature{
  display:flex;
  flex-direction:column;
  background:var(--card-bg);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:all .25s ease;
  height:100%;
}
.news-feature:hover{
  box-shadow:var(--shadow-md);
  transform:translateY(-4px);
}
.news-feature img{
  width:100%;
  height:220px;
  object-fit:cover;
}
.feature-body{padding:26px}
.feature-body h3{font-size:20px;line-height:1.4;margin:12px 0 10px}
.feature-body p{
  color:var(--text-body);
  font-size:14px;
  line-height:1.7;
  margin-bottom:16px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.meta{
  font-size:12px;
  color:var(--text-body);
  display:flex;
  align-items:center;
  gap:6px;
}
.badge{
  background:var(--primary);
  color:#fff;
  font-size:12px;
  font-weight:600;
  padding:4px 12px;
  border-radius:var(--pill);
  display:inline-block;
}
.badge-light{
  background:rgba(232,69,44,.10);
  color:var(--primary);
}
.timeline-item{
  display:flex;
  gap:16px;
  padding:18px 0;
  border-bottom:1px solid var(--line);
  position:relative;
  transition:background .2s ease;
}
.timeline-item:last-child{border-bottom:none}
.dot{
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--primary);
  margin-top:7px;
  flex-shrink:0;
}
.timeline-content{
  flex:1;
  min-width:0;
}
.timeline-content h4{
  font-size:16px;
  font-weight:700;
  margin:8px 0 6px;
  line-height:1.4;
  transition:color .2s ease;
}
.timeline-item:hover h4{color:var(--primary)}
.timeline-content p{
  font-size:13px;
  color:var(--text-body);
  margin-bottom:8px;
  line-height:1.6;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.timeline-content .time{
  font-size:12px;
  color:#9AA2A9;
  display:flex;
  align-items:center;
  gap:4px;
}
.read-link{
  font-size:13px;
  font-weight:600;
  color:var(--primary);
  margin-top:8px;
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.empty-state{
  border:2px dashed var(--line);
  border-radius:var(--radius);
  background:var(--card-bg);
  color:var(--text-body);
  text-align:center;
  font-size:14px;
  padding:64px 20px;
}

/* Featured Cards */
.featured{background:var(--card-bg)}
.feature-card{
  display:flex;
  align-items:center;
  background:var(--card-bg);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:all .25s ease;
  height:100%;
}
.feature-card.reverse{flex-direction:row-reverse}
.feature-card:hover{
  box-shadow:var(--shadow-md);
  transform:translateY(-4px);
}
.feature-card img{
  width:180px;
  height:160px;
  object-fit:cover;
  flex-shrink:0;
}
.card-content{padding:24px 26px}
.tags{display:flex;gap:8px;margin-bottom:12px;flex-wrap:wrap}
.tag{
  font-size:12px;
  font-weight:600;
  background:rgba(199,244,100,.18);
  color:#41621A;
  padding:4px 12px;
  border-radius:var(--pill);
}
.card-content h3{font-size:18px;font-weight:700;line-height:1.45;margin-bottom:10px}
.card-content p{
  font-size:14px;
  color:var(--text-body);
  line-height:1.65;
  margin-bottom:16px;
}

/* Stats Bar */
.stats-bar{
  background:var(--ink);
  padding:64px 0;
  color:#fff;
}
.stats-bar .row{gap:28px 0}
.stat-num{
  font-size:44px;
  font-weight:800;
  font-family:'Oswald',sans-serif;
  color:var(--primary);
  line-height:1.1;
}
.stat-label{
  font-size:14px;
  color:rgba(255,255,255,.70);
  margin-top:8px;
  letter-spacing:.06em;
}

/* FAQ */
.faq{background:var(--bg)}
.faq .section h2{font-size:26px}
.faq .section p{color:var(--text-body)}
.faq-list{display:flex;flex-direction:column;gap:14px}
.accordion-item{
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:var(--card-bg);
  overflow:hidden;
  box-shadow:none;
  transition:box-shadow .2s ease;
}
.accordion-item:not(:first-of-type){border-top:1px solid var(--line)}
.accordion-item.has-shadow{box-shadow:var(--shadow-sm)}
.accordion-button{
  background:var(--card-bg);
  color:var(--ink);
  font-size:16px;
  font-weight:600;
  padding:18px 22px;
  box-shadow:none;
  border:none;
  transition:color .2s ease;
}
.accordion-button:not(.collapsed){
  background:var(--card-bg);
  color:var(--primary);
  box-shadow:none;
}
.accordion-button:focus{
  box-shadow:none;
  border-color:var(--primary);
  outline:2px solid rgba(232,69,44,.25);
}
.accordion-button::after{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23E8452C'%3E%3Cpath fill-rule='evenodd' d='M8 2a.75.75 0 0 1 .75.75v4.5h4.5a.75.75 0 0 1 0 1.5h-4.5v4.5a.75.75 0 0 1-1.5 0v-4.5h-4.5a.75.75 0 0 1 0-1.5h4.5v-4.5A.75.75 0 0 1 8 2Z'/%3E%3C/svg%3E");
  background-size:14px;
  transition:transform .2s ease;
}
.accordion-button:not(.collapsed)::after{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23E8452C'%3E%3Cpath fill-rule='evenodd' d='M2 8a.75.75 0 0 1 .75-.75h10.5a.75.75 0 0 1 0 1.5H2.75A.75.75 0 0 1 2 8Z'/%3E%3C/svg%3E");
}
.accordion-body{
  padding:0 22px 20px;
  color:var(--text-body);
  font-size:14px;
  line-height:1.75;
}

/* Subscribe */
.subscribe{background:var(--bg);padding:60px 0}
.subscribe-box{
  background:var(--card-bg);
  border-radius:20px;
  padding:48px;
  box-shadow:var(--shadow-md);
  border:1px solid var(--line);
}
.subscribe-box h2{font-size:26px;margin-bottom:8px}
.subscribe-box p{color:var(--text-body);margin:0}
.subscribe-form{display:flex;gap:12px;flex-wrap:wrap}
.subscribe-form .form-control{
  height:48px;
  border-radius:10px;
  border:1px solid var(--line);
  font-size:15px;
  flex:1;
  min-width:200px;
  padding:0 18px;
}
.subscribe-form .form-control:focus{
  border-color:var(--primary);
  box-shadow:0 0 0 2px rgba(232,69,44,.20);
  outline:none;
}

/* Footer */
.footer{
  background:var(--ink);
  color:rgba(255,255,255,.75);
  padding:64px 0 0;
}
.footer .row{padding-bottom:48px}
.footer-brand{
  font-size:20px;
  font-weight:700;
  color:#fff;
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
}
.footer-brand i{color:var(--primary)}
.footer p{font-size:14px;line-height:1.7;color:rgba(255,255,255,.55);max-width:340px}
.footer h4{
  font-size:16px;
  font-weight:700;
  color:#fff;
  margin-bottom:20px;
}
.footer ul li{margin-bottom:12px}
.footer ul li a{
  font-size:14px;
  color:rgba(255,255,255,.65);
  transition:color .2s ease;
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.footer ul li a:hover{color:var(--accent)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);
  padding:20px 0;
  font-size:13px;
  color:rgba(255,255,255,.45);
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:8px;
}

/* Focus Visible */
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
}

/* Responsive */
@media (max-width:1199.98px){
  .navbar-nav{gap:18px}
}
@media (max-width:991.98px){
  .navbar-main{
    height:auto;
    min-height:56px;
  }
  .navbar-main .container{
    flex-wrap:wrap;
    align-items:center;
    padding-top:8px;
    padding-bottom:8px;
  }
  .navbar-toggler{display:block}
  .navbar-collapse{
    width:100%;
    background:var(--card-bg);
    border-top:1px solid var(--line);
    margin-top:8px;
    padding:12px 0;
  }
  .navbar-nav{
    flex-direction:column;
    gap:0;
    width:100%;
  }
  .navbar-nav .nav-link{
    padding:12px 4px;
    border-bottom:1px solid var(--line);
  }
  .navbar-nav .nav-link::after{display:none}
  .nav-actions{
    padding-top:14px;
    justify-content:space-between;
  }
  .hero{min-height:72vh}
  .hero h1{font-size:32px}
  .hero-pills{display:none}
  .feature-card,.feature-card.reverse{flex-direction:column}
  .feature-card img{width:100%;height:180px}
  .story .section h2{font-size:26px}
}
@media (max-width:767.98px){
  .section{padding:48px 0}
  .hero{
    min-height:auto;
    padding:80px 0;
  }
  .hero h1{font-size:30px}
  .hero .lead{font-size:15px}
  .hero-buttons .btn{width:100%}
  .stat-num{font-size:32px}
  .story-image{margin-top:24px}
  .timeline-content p{display:none}
  .timeline-item{padding:14px 0}
  .subscribe-box{padding:28px 20px}
  .subscribe-form .form-control{min-width:100%}
  .subscribe-form .btn{width:100%}
  .footer .row{gap:0}
  .footer .col-lg-5,.footer .col-lg-3,.footer .col-lg-4{margin-bottom:32px}
  .footer-bottom{flex-direction:column;text-align:center}
  .navbar-top{height:auto}
}
@media (max-width:575.98px){
  .btn{padding:0 20px}
  .section h2{font-size:23px}
  .numbered-item .num{font-size:28px;min-width:42px}
  .news-feature img{height:180px}
  .timeline-content h4{font-size:15px}
}

/* roulang page: category1 */
/* ===== 设计变量与基础 ===== */
        :root {
            --primary: #E8452C;
            --primary-dark: #C1272D;
            --accent: #C7F464;
            --text-main: #111316;
            --text-gray: #6C737A;
            --bg-body: #F6F7F9;
            --bg-card: #FFFFFF;
            --border: #E7EBEE;
            --radius: 14px;
            --radius-pill: 999px;
            --shadow-sm: 0 2px 8px rgba(17, 19, 22, .06);
            --shadow-md: 0 8px 24px rgba(17, 19, 22, .10);
            --shadow-lg: 0 16px 40px rgba(17, 19, 22, .16);
            --transition: .2s ease;
            --font-sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            color: var(--text-main);
            background: var(--bg-body);
            line-height: 1.75;
            font-size: 16px;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }

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

        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        .form-control:focus-visible,
        .accordion-button:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            box-shadow: none;
        }

        /* ===== 顶部品牌行 ===== */
        .topbar {
            height: 40px;
            background: #111316;
            color: #fff;
            font-size: 13px;
            line-height: 40px;
            transition: margin-top .3s ease, opacity .3s ease;
            overflow: hidden;
            position: relative;
            z-index: 1035;
        }

        .topbar.hidden {
            margin-top: -40px;
            opacity: 0;
        }

        .topbar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .topbar-left {
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: .02em;
        }

        .topbar-left i {
            color: var(--primary);
            font-size: 12px;
        }

        .topbar-search {
            color: rgba(255, 255, 255, .8);
            font-size: 13px;
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 0 10px;
            height: 40px;
            transition: color var(--transition);
        }

        .topbar-search:hover {
            color: var(--accent);
        }

        /* ===== 主导航 ===== */
        .navbar-main {
            background: var(--bg-body);
            border-bottom: 1px solid var(--border);
            padding-top: 0;
            padding-bottom: 0;
            min-height: 56px;
            transition: box-shadow var(--transition);
            z-index: 1030;
        }

        .navbar-main.nav-scrolled {
            box-shadow: var(--shadow-md);
            border-bottom-color: transparent;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 20px;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: .01em;
            padding: 0;
            margin-right: 0;
        }

        .navbar-brand:hover {
            color: var(--primary);
        }

        .navbar-brand .logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 10px;
            background: var(--primary);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(232, 69, 44, .3);
        }

        .navbar-brand .brand-sub {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-gray);
            margin-left: 2px;
        }

        .navbar-nav {
            gap: 4px;
            align-items: center;
        }

        .nav-item {
            padding: 0 2px;
        }

        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            padding: 10px 16px !important;
            border-radius: 10px;
            position: relative;
            transition: background var(--transition), color var(--transition);
        }

        .nav-link:hover {
            color: var(--primary);
            background: rgba(232, 69, 44, .05);
        }

        .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .hot-pill {
            background: rgba(199, 244, 100, .25);
            color: #4a6a10;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            white-space: nowrap;
            border: 1px solid rgba(199, 244, 100, .5);
        }

        .icon-btn {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--text-main);
            background: transparent;
            border: 1px solid var(--border);
            font-size: 14px;
            transition: all var(--transition);
        }

        .icon-btn:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        .navbar-toggler {
            border: none;
            padding: 6px;
            border-radius: 8px;
        }

        .navbar-toggler:focus {
            box-shadow: none;
        }

        .navbar-toggler-icon {
            background-image: none;
            position: relative;
            width: 22px;
            height: 16px;
        }

        .navbar-toggler-icon::before,
        .navbar-toggler-icon::after {
            content: '';
            position: absolute;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--text-main);
            border-radius: 2px;
            transition: all .25s ease;
        }

        .navbar-toggler-icon::before {
            top: 2px;
        }

        .navbar-toggler-icon::after {
            bottom: 2px;
        }

        /* ===== 分类横幅 ===== */
        .page-banner {
            position: relative;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat #111316;
            padding: 84px 0 64px;
            color: #fff;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(17, 19, 22, .88) 0%, rgba(17, 19, 22, .72) 45%, rgba(17, 19, 22, .4) 100%);
        }

        .page-banner .container {
            position: relative;
            z-index: 2;
        }

        .page-banner .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            padding: 0;
            margin-bottom: 20px;
            background: transparent;
            font-size: 13px;
            color: rgba(255, 255, 255, .7);
        }

        .page-banner .breadcrumb-item + .breadcrumb-item::before {
            content: '/';
            color: rgba(255, 255, 255, .5);
            padding: 0 8px;
        }

        .page-banner .breadcrumb-item a {
            color: rgba(255, 255, 255, .8);
            transition: color var(--transition);
        }

        .page-banner .breadcrumb-item a:hover {
            color: var(--accent);
        }

        .page-banner .breadcrumb-item.active {
            color: #fff;
        }

        .page-banner h1 {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: .02em;
        }

        .page-banner .banner-desc {
            font-size: 16px;
            line-height: 1.75;
            color: rgba(255, 255, 255, .85);
            max-width: 680px;
            margin-bottom: 0;
        }

        /* ===== 内容区 ===== */
        .category-content {
            padding: 64px 0 40px;
            background: var(--bg-body);
        }

        .category-content .main-col {
            padding-right: 12px;
        }

        .category-content .sidebar-col {
            padding-left: 12px;
        }

        .section-heading {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 24px;
        }

        .section-heading h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-main);
            margin: 0;
            letter-spacing: .01em;
        }

        .section-heading h2 span {
            color: var(--primary);
        }

        .section-heading .more-link {
            font-size: 14px;
            color: var(--primary);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .section-heading .more-link i {
            font-size: 12px;
            transition: transform var(--transition);
        }

        .section-heading .more-link:hover i {
            transform: translateX(3px);
        }

        /* 卡片 */
        .content-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: transform var(--transition), box-shadow var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

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

        .content-card .card-img-wrap {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: #f0d8d2;
        }

        .content-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .3s ease;
        }

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

        .content-card .card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .card-badge {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: var(--radius-pill);
            margin-bottom: 12px;
            align-self: flex-start;
            letter-spacing: .02em;
        }

        .card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.4;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-text {
            font-size: 14px;
            color: var(--text-gray);
            line-height: 1.7;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            margin-top: auto;
        }

        .card-link i {
            font-size: 12px;
            transition: transform var(--transition);
        }

        .card-link:hover i {
            transform: translateX(4px);
        }

        /* 侧栏 */
        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 24px;
            margin-bottom: 24px;
            box-shadow: var(--shadow-sm);
        }

        .sidebar-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--border);
            position: relative;
        }

        .sidebar-card h3::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -1px;
            width: 40px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-cloud .tag-item {
            display: inline-block;
            background: var(--bg-body);
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            padding: 5px 14px;
            font-size: 13px;
            color: var(--text-main);
            transition: all var(--transition);
        }

        .tag-cloud .tag-item:hover {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }

        .sub-nav-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .sub-nav-list li {
            padding: 8px 0;
            border-bottom: 1px solid var(--border);
        }

        .sub-nav-list li:last-child {
            border-bottom: none;
        }

        .sub-nav-list a {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            color: var(--text-main);
            font-weight: 500;
            transition: color var(--transition), padding-left var(--transition);
        }

        .sub-nav-list a i {
            color: var(--primary);
            font-size: 12px;
        }

        .sub-nav-list a:hover {
            color: var(--primary);
            padding-left: 4px;
        }

        /* ===== 步骤区 ===== */
        .steps-section {
            padding: 64px 0;
            background: #ffffff;
        }

        .steps-section .section-heading {
            margin-bottom: 36px;
        }

        .steps-section .section-heading h2 {
            font-size: 24px;
        }

        .steps-section .section-heading .sub-text {
            color: var(--text-gray);
            font-size: 14px;
            font-weight: 400;
            margin-left: 12px;
        }

        .step-item {
            display: flex;
            align-items: flex-start;
            background: var(--bg-body);
            border-radius: var(--radius);
            padding: 24px 28px;
            margin-bottom: 16px;
            border: 1px solid var(--border);
            transition: transform var(--transition), box-shadow var(--transition);
            gap: 20px;
        }

        .step-item:nth-child(even) {
            background: #ffffff;
        }

        .step-item:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .step-num {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            min-width: 48px;
            font-family: var(--font-sans);
        }

        .step-content {
            flex: 1;
        }

        .step-content h4 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text-main);
        }

        .step-content p {
            font-size: 14px;
            color: var(--text-gray);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .step-arrow {
            align-self: center;
            color: var(--primary);
            font-size: 18px;
            flex-shrink: 0;
        }

        /* ===== FAQ 区 ===== */
        .faq-section {
            padding: 64px 0;
            background: var(--bg-body);
        }

        .faq-section .section-heading {
            margin-bottom: 36px;
        }

        .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius) !important;
            margin-bottom: 14px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .accordion-button {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            padding: 18px 22px;
            background: var(--bg-card);
            border: none;
            transition: background var(--transition), color var(--transition);
            border-radius: 0 !important;
        }

        .accordion-button:not(.collapsed) {
            background: #fff5f2;
            color: var(--primary);
            box-shadow: none;
        }

        .accordion-button::after {
            background-image: none;
            content: '+';
            font-family: var(--font-sans);
            font-size: 24px;
            font-weight: 400;
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            line-height: 1;
            transition: transform var(--transition);
        }

        .accordion-button:not(.collapsed)::after {
            content: '−';
            transform: rotate(0deg);
            background-image: none;
        }

        .accordion-body {
            padding: 0 22px 20px;
            font-size: 14px;
            color: var(--text-gray);
            line-height: 1.75;
        }

        /* ===== CTA 区 ===== */
        .cta-section {
            padding: 56px 0 72px;
            background: var(--bg-body);
        }

        .cta-box {
            background: linear-gradient(120deg, #fff5f2, #fdeae4);
            border: 1px solid #f7d9d0;
            border-radius: 24px;
            padding: 36px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 20px;
        }

        .cta-box h3 {
            font-size: 24px;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        .cta-box p {
            font-size: 15px;
            color: var(--text-gray);
            margin-bottom: 0;
        }

        .cta-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .btn-main {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--primary);
            color: #fff;
            border: 1px solid var(--primary);
            border-radius: 10px;
            font-size: 15px;
            font-weight: 600;
            padding: 12px 28px;
            height: 48px;
            transition: all var(--transition);
            letter-spacing: .02em;
        }

        .btn-main:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(232, 69, 44, .25);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
            border-radius: 10px;
            font-size: 15px;
            font-weight: 600;
            padding: 12px 28px;
            height: 48px;
            transition: all var(--transition);
        }

        .btn-outline:hover {
            background: rgba(232, 69, 44, .08);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
        }

        /* ===== 页脚 ===== */
        .footer {
            background: #111316;
            color: rgba(255, 255, 255, .75);
            padding: 56px 0 24px;
            font-size: 14px;
        }

        .footer .footer-brand {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer .footer-brand i {
            color: var(--primary);
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: rgba(232, 69, 44, .2);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
        }

        .footer p {
            font-size: 14px;
            line-height: 1.75;
            color: rgba(255, 255, 255, .6);
            max-width: 360px;
            margin-bottom: 0;
        }

        .footer h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer h4::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 2px;
            background: var(--primary);
        }

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

        .footer ul li {
            margin-bottom: 8px;
        }

        .footer ul li a {
            color: rgba(255, 255, 255, .6);
            font-size: 14px;
            transition: color var(--transition), padding-left var(--transition);
            display: inline-block;
        }

        .footer ul li a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding-top: 20px;
            margin-top: 44px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, .45);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 992px) {
            .navbar-main {
                min-height: 56px;
                padding-top: 8px;
                padding-bottom: 8px;
            }

            .navbar-nav {
                padding: 12px 0;
                gap: 0;
            }

            .nav-link {
                padding: 10px 14px !important;
                border-radius: 8px;
            }

            .nav-link.active::after {
                display: none;
            }

            .nav-actions {
                padding: 12px 0 4px;
                border-top: 1px solid var(--border);
                margin-top: 8px;
            }

            .category-content {
                padding: 48px 0 32px;
            }

            .category-content .main-col {
                padding-right: 0;
            }

            .category-content .sidebar-col {
                padding-left: 0;
                margin-top: 32px;
            }

            .sidebar-card {
                margin-bottom: 20px;
            }

            .steps-section {
                padding: 48px 0;
            }

            .faq-section {
                padding: 48px 0;
            }

            .cta-section {
                padding: 40px 0 48px;
            }

            .cta-box {
                padding: 28px 24px;
            }
        }

        @media (max-width: 768px) {
            .page-banner {
                padding: 64px 0 48px;
            }

            .page-banner h1 {
                font-size: 28px;
            }

            .banner-desc {
                font-size: 15px;
            }

            .section-heading h2 {
                font-size: 20px;
            }

            .section-heading .sub-text {
                display: none;
            }

            .step-item {
                padding: 20px;
                gap: 14px;
            }

            .step-num {
                font-size: 26px;
                min-width: 38px;
            }

            .cta-box {
                flex-direction: column;
                align-items: flex-start;
                text-align: left;
            }

            .cta-actions {
                width: 100%;
            }

            .cta-actions .btn-main,
            .cta-actions .btn-outline {
                flex: 1;
            }

            .footer {
                padding-top: 44px;
            }

            .footer .col-lg-5 {
                margin-bottom: 24px;
            }

            .footer .col-lg-3,
            .footer .col-lg-4 {
                margin-bottom: 20px;
            }
        }

        @media (max-width: 576px) {
            body {
                font-size: 15px;
            }

            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .topbar-left {
                font-size: 12px;
            }

            .topbar-search {
                font-size: 12px;
            }

            .page-banner {
                padding: 48px 0 40px;
            }

            .page-banner h1 {
                font-size: 24px;
                line-height: 1.35;
            }

            .page-banner .banner-desc {
                font-size: 14px;
                line-height: 1.7;
            }

            .navbar-brand {
                font-size: 18px;
            }

            .navbar-brand .brand-sub {
                font-size: 13px;
            }

            .content-card .card-body {
                padding: 16px;
            }

            .card-title {
                font-size: 16px;
            }

            .step-item {
                flex-direction: row;
                flex-wrap: wrap;
            }

            .step-arrow {
                display: none;
            }

            .step-content p {
                font-size: 13px;
            }

            .accordion-button {
                font-size: 15px;
                padding: 16px 18px;
            }

            .accordion-body {
                padding: 0 18px 16px;
                font-size: 13px;
            }

            .cta-box h3 {
                font-size: 20px;
            }

            .cta-actions {
                flex-direction: column;
            }

            .cta-actions .btn-main,
            .cta-actions .btn-outline {
                width: 100%;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
            }
        }

/* roulang page: article */
:root {
    --primary: #E8452C;
    --primary-dark: #C1272D;
    --accent: #C7F464;
    --ink: #111316;
    --gray: #6C737A;
    --bg: #F6F7F9;
    --card: #FFFFFF;
    --border: #E7EBEE;
    --radius: 14px;
    --radius-pill: 999px;
    --shadow-sm: 0 2px 8px rgba(17,19,22,.06);
    --shadow-md: 0 8px 24px rgba(17,19,22,.10);
    --shadow-lg: 0 16px 40px rgba(17,19,22,.16);
    --font-sans: "PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,
*::before,
*::after {
    box-sizing: border-box;
}
html {
    -webkit-text-size-adjust: 100%;
}
body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.75;
    color: var(--gray);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
a {
    transition: color .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
img {
    max-width: 100%;
    height: auto;
    border: 0;
}
button,
input {
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
}
a:focus-visible,
button:focus-visible,
.nav-link:focus-visible,
.btn:focus-visible,
.form-control:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
    border-radius: 6px;
}
.container {
    max-width: 1220px;
}
/* ========== 导航 ========== */
.navbar-main {
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 0;
    box-shadow: 0 1px 4px rgba(17,19,22,.04);
}
.navbar-main .navbar-brand {
    display: inline-flex;
    align-items: center;
    font-size: 21px;
    font-weight: 700;
    color: var(--ink);
    padding: 12px 0;
    letter-spacing: .01em;
}
.navbar-main .navbar-brand:hover {
    color: var(--ink);
}
.logo-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--primary);
    color: #fff;
    border-radius: 10px;
    font-size: 14px;
    margin-right: 10px;
    transition: transform .2s ease, background .2s ease;
}
.navbar-brand:hover .logo-icon {
    background: var(--primary-dark);
    transform: translateX(2px);
}
.brand-sub {
    color: var(--primary);
    font-weight: 600;
    margin-left: 2px;
}
.navbar-main .navbar-collapse {
    justify-content: center;
}
.navbar-main .nav-link {
    font-weight: 600;
    color: var(--ink);
    padding: 14px 16px;
    margin: 4px 2px;
    border-radius: 10px;
    position: relative;
    font-size: 15px;
    white-space: nowrap;
}
.navbar-main .nav-link:hover {
    color: var(--primary);
    background: rgba(232,69,44,.05);
}
.navbar-main .nav-link.active {
    color: var(--primary);
    background: rgba(232,69,44,.04);
}
.navbar-main .nav-link.active::after {
    content: "";
    position: absolute;
    left: 16px;
    right: 16px;
    bottom: 2px;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
}
.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}
.hot-pill {
    display: inline-flex;
    align-items: center;
    background: rgba(199,244,100,.16);
    border: 1px solid rgba(199,244,100,.5);
    color: #586e1e;
    padding: 4px 14px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
}
.icon-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--bg);
    color: var(--ink);
    border: none;
    font-size: 15px;
    transition: all .2s ease;
}
.icon-btn:hover {
    background: var(--primary);
    color: #fff;
}
.navbar-toggler {
    border: none;
    padding: 8px 10px;
}
.navbar-toggler:focus {
    box-shadow: none;
    outline: 2px solid var(--primary);
    outline-offset: 2px;
    border-radius: 8px;
}
.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(17,19,22,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
    width: 22px;
    height: 22px;
}
/* ========== 文章横幅 ========== */
.article-banner {
    background: linear-gradient(100deg, rgba(17,19,22,.94) 0%, rgba(17,19,22,.72) 55%, rgba(17,19,22,.48) 100%), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
    padding: 52px 0 64px;
    color: #fff;
    position: relative;
}
.breadcrumb-wrap {
    margin-bottom: 26px;
}
.breadcrumb-list {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 13px;
    color: rgba(255,255,255,.66);
    gap: 4px;
}
.breadcrumb-list li {
    display: flex;
    align-items: center;
    gap: 4px;
}
.breadcrumb-list li + li::before {
    content: "/";
    color: rgba(255,255,255,.36);
    margin: 0 4px;
    font-size: 12px;
}
.breadcrumb-list a {
    color: rgba(255,255,255,.82);
    text-decoration: none;
    transition: color .2s;
}
.breadcrumb-list a:hover {
    color: #fff;
    text-decoration: underline;
    text-underline-offset: 3px;
}
.breadcrumb-list .current {
    color: var(--accent);
    font-weight: 500;
}
.badge-cat {
    display: inline-flex;
    align-items: center;
    background: var(--primary);
    color: #fff;
    padding: 6px 16px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 18px;
    box-shadow: 0 4px 14px rgba(232,69,44,.28);
}
.article-title {
    font-size: 36px;
    font-weight: 700;
    line-height: 1.28;
    color: #fff;
    max-width: 780px;
    margin: 0 0 20px;
    letter-spacing: -.01em;
}
.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 18px 26px;
    color: rgba(255,255,255,.68);
    font-size: 14px;
}
.article-meta span {
    display: inline-flex;
    align-items: center;
    gap: 7px;
}
.article-meta i {
    color: var(--accent);
    font-size: 13px;
}
/* ========== 文章主体 ========== */
.article-main {
    padding: 48px 0 56px;
    background: var(--bg);
}
.article-card {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    padding: 48px;
    margin-bottom: 0;
}
.article-body {
    font-size: 16px;
    line-height: 1.78;
    color: #3c4449;
}
.article-body p {
    margin-bottom: 24px;
}
.article-body h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--ink);
    margin: 36px 0 18px;
    line-height: 1.4;
}
.article-body h3 {
    font-size: 19px;
    font-weight: 700;
    color: var(--ink);
    margin: 28px 0 14px;
    line-height: 1.4;
}
.article-body a {
    color: var(--primary);
    text-decoration: underline;
    text-underline-offset: 4px;
}
.article-body a:hover {
    color: var(--primary-dark);
}
.article-body img {
    width: 100%;
    border-radius: var(--radius);
    margin: 24px 0;
    box-shadow: var(--shadow-sm);
}
.article-body blockquote {
    border-left: 4px solid var(--primary);
    background: #fafafb;
    margin: 28px 0;
    padding: 18px 24px;
    border-radius: 0 12px 12px 0;
    color: var(--ink);
    font-style: normal;
}
.article-body blockquote p {
    margin-bottom: 0;
}
.article-body ul,
.article-body ol {
    margin: 0 0 24px;
    padding-left: 24px;
}
.article-body li {
    margin-bottom: 10px;
}
.article-empty {
    text-align: center;
    padding: 64px 24px;
}
.article-empty p {
    font-size: 18px;
    color: var(--gray);
    margin-bottom: 22px;
}
.article-empty a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
    border: 1px solid var(--primary);
    border-radius: 10px;
    padding: 10px 26px;
    transition: all .2s;
}
.article-empty a:hover {
    background: var(--primary);
    color: #fff;
    box-shadow: var(--shadow-md);
}
/* ========== 标签与翻页 ========== */
.article-tags {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 32px;
    padding-top: 28px;
    border-top: 1px solid var(--border);
}
.tag-label {
    font-weight: 600;
    font-size: 14px;
    color: var(--ink);
    margin-right: 4px;
}
.tag-item {
    display: inline-flex;
    align-items: center;
    padding: 5px 16px;
    border-radius: 999px;
    background: #fff;
    border: 1px solid var(--border);
    font-size: 13px;
    color: var(--gray);
    text-decoration: none;
    transition: all .2s;
}
.tag-item:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(232,69,44,.03);
    box-shadow: var(--shadow-sm);
}
.post-nav {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    margin-top: 28px;
}
.post-nav a {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 14px 22px;
    font-size: 14px;
    font-weight: 600;
    color: var(--ink);
    text-decoration: none;
    transition: all .2s;
    max-width: 48%;
    line-height: 1.5;
}
.post-nav a:hover {
    border-color: var(--primary);
    color: var(--primary);
    box-shadow: var(--shadow-sm);
}
.post-nav .post-label {
    display: block;
    font-size: 12px;
    color: var(--gray);
    font-weight: 400;
    margin-bottom: 2px;
}
/* ========== 相关推荐 ========== */
.related-section {
    padding: 24px 0 36px;
    background: var(--bg);
}
.section-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--ink);
    margin-bottom: 28px;
    position: relative;
    padding-left: 16px;
    line-height: 1.4;
}
.section-title::before {
    content: "";
    position: absolute;
    left: 0;
    top: 5px;
    bottom: 5px;
    width: 4px;
    border-radius: 4px;
    background: var(--primary);
}
.related-item {
    display: flex;
    background: #fff;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all .2s ease;
    height: 100%;
}
.related-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}
.related-thumb {
    width: 112px;
    flex-shrink: 0;
    min-height: 96px;
    position: relative;
    overflow: hidden;
}
.related-thumb img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .3s ease;
}
.related-item:hover .related-thumb img {
    transform: scale(1.06);
}
.related-info {
    padding: 14px 16px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-width: 0;
}
.related-info h3 {
    font-size: 15px;
    font-weight: 600;
    line-height: 1.45;
    margin: 0 0 8px;
}
.related-info h3 a {
    color: var(--ink);
    text-decoration: none;
    transition: color .2s;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.related-info h3 a:hover {
    color: var(--primary);
}
.related-time {
    font-size: 12px;
    color: var(--gray);
    display: inline-flex;
    align-items: center;
    gap: 5px;
}
/* ========== 返回分类 ========== */
.back-category-wrap {
    text-align: center;
    padding: 8px 0 64px;
    background: var(--bg);
}
.btn-back {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--ink);
    font-weight: 600;
    text-decoration: none;
    border: 1px solid var(--border);
    background: #fff;
    border-radius: 10px;
    padding: 12px 28px;
    transition: all .2s;
    font-size: 14px;
    min-height: 44px;
}
.btn-back:hover {
    color: var(--primary);
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
}
.btn-back i {
    color: var(--primary);
}
/* ========== 页脚 ========== */
.footer {
    background: #111316;
    color: #8b9298;
    padding: 60px 0 0;
    font-size: 14px;
}
.footer-brand {
    color: #fff;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
    letter-spacing: .01em;
}
.footer-brand i {
    color: var(--primary);
    font-size: 18px;
}
.footer p {
    line-height: 1.7;
    color: #8b9298;
    max-width: 340px;
    margin-bottom: 0;
}
.footer h4 {
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 18px;
}
.footer ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.footer ul li {
    margin-bottom: 10px;
}
.footer ul li a {
    color: #8b9298;
    text-decoration: none;
    transition: color .2s, padding-left .2s;
}
.footer ul li a:hover {
    color: var(--accent);
    padding-left: 4px;
}
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,.08);
    padding: 20px 0;
    margin-top: 48px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 13px;
    color: #5c6268;
}
/* ========== 响应式 ========== */
@media (max-width: 991.98px) {
    .navbar-main .navbar-collapse {
        background: #fff;
        border-radius: var(--radius);
        padding: 16px;
        box-shadow: var(--shadow-md);
        margin-top: 8px;
        border: 1px solid var(--border);
    }
    .navbar-main .nav-link {
        padding: 12px 16px;
    }
    .navbar-main .nav-link.active::after {
        display: none;
    }
    .nav-actions {
        margin-top: 12px;
        padding-top: 14px;
        border-top: 1px solid var(--border);
        justify-content: space-between;
        width: 100%;
    }
    .article-banner {
        padding: 44px 0 54px;
    }
    .article-title {
        font-size: 30px;
    }
    .article-card {
        padding: 36px;
    }
}
@media (max-width: 767.98px) {
    .article-banner {
        padding: 36px 0 46px;
    }
    .article-title {
        font-size: 26px;
    }
    .article-meta {
        gap: 14px;
        font-size: 13px;
    }
    .article-card {
        padding: 28px 24px;
    }
    .article-body {
        font-size: 15px;
        line-height: 1.72;
    }
    .article-body h2 {
        font-size: 22px;
    }
    .article-body h3 {
        font-size: 18px;
    }
    .section-title {
        font-size: 24px;
    }
    .post-nav {
        flex-direction: column;
    }
    .post-nav a {
        max-width: 100%;
    }
    .related-thumb {
        width: 96px;
        min-height: 84px;
    }
    .related-info {
        padding: 12px 14px;
    }
    .footer {
        padding-top: 40px;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}
@media (max-width: 575.98px) {
    .article-title {
        font-size: 23px;
    }
    .article-meta {
        gap: 10px;
        font-size: 12px;
    }
    .article-card {
        padding: 22px 18px;
    }
    .related-thumb {
        width: 86px;
        min-height: 76px;
    }
    .related-info h3 {
        font-size: 14px;
    }
    .section-title {
        font-size: 22px;
    }
    .hot-pill {
        display: none;
    }
}

/* roulang page: category3 */
:root {
            --primary: #E8452C;
            --primary-dark: #C1272D;
            --accent: #C7F464;
            --ink: #111316;
            --text: #4B535B;
            --text-light: #6C737A;
            --bg: #F6F7F9;
            --card: #FFFFFF;
            --border: #E7EBEE;
            --radius: 14px;
            --radius-full: 999px;
            --shadow-sm: 0 2px 8px rgba(17, 19, 22, .06);
            --shadow-md: 0 8px 24px rgba(17, 19, 22, .10);
            --shadow-lg: 0 16px 40px rgba(17, 19, 22, .16);
            --font-cn: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }
        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-cn);
            background: var(--bg);
            color: var(--ink);
            line-height: 1.75;
            font-size: 16px;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .25s ease;
        }
        a:hover {
            color: var(--primary-dark);
        }
        img {
            max-width: 100%;
            height: auto;
        }
        button {
            font-family: var(--font-cn);
        }
        :focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .container {
            max-width: 1240px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* 双层导航 */
        .topbar {
            background: #181B1E;
            height: 40px;
            display: flex;
            align-items: center;
            color: #F9FAFB;
            font-size: 13px;
        }
        .topbar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .topbar-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            letter-spacing: .02em;
            color: #fff;
        }
        .topbar-brand i {
            color: var(--primary);
            font-size: 14px;
        }
        .topbar-right {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .topbar-right a {
            color: #D1D5DB;
            font-size: 13px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .topbar-right a:hover {
            color: var(--accent);
        }
        .navbar-main {
            background: var(--card);
            border-bottom: 1px solid var(--border);
            min-height: 56px;
            box-shadow: none;
            transition: box-shadow .3s ease;
            padding-top: 0;
            padding-bottom: 0;
        }
        .navbar-main.is-stuck {
            box-shadow: var(--shadow-md);
        }
        .navbar-brand {
            font-size: 20px;
            font-weight: 700;
            color: var(--ink);
            display: flex;
            align-items: center;
            gap: 6px;
            letter-spacing: .02em;
        }
        .navbar-brand .logo-icon {
            width: 34px;
            height: 34px;
            background: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            box-shadow: var(--shadow-sm);
        }
        .navbar-brand .brand-sub {
            font-size: 14px;
            color: var(--text-light);
            font-weight: 500;
            margin-left: 2px;
        }
        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--ink);
            padding: 10px 14px !important;
            position: relative;
            transition: color .25s ease;
        }
        .nav-link:hover {
            color: var(--primary);
        }
        .nav-link.active {
            color: var(--primary);
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 2px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-left: 16px;
        }
        .hot-pill {
            background: rgba(231, 69, 44, .08);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: var(--radius-full);
            letter-spacing: .02em;
            white-space: nowrap;
        }
        .icon-btn {
            width: 38px;
            height: 38px;
            border: 1px solid var(--border);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--ink);
            background: var(--card);
            transition: all .25s ease;
        }
        .icon-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
            box-shadow: var(--shadow-sm);
        }
        .navbar-toggler {
            border: none;
            padding: 6px;
        }
        .navbar-toggler:focus {
            box-shadow: none;
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(17,19,22,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 8h22M4 15h22M4 22h22'/%3e%3c/svg%3e");
        }

        /* 分类页 Hero */
        .page-hero {
            position: relative;
            background: linear-gradient(90deg, #111316 0%, #1E2126 55%, rgba(17, 19, 22, .88) 100%), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            padding: 72px 0;
            color: #fff;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            bottom: 0;
            left: 0;
            background: linear-gradient(100deg, rgba(17, 19, 22, .92) 10%, rgba(17, 19, 22, .72) 45%, rgba(17, 19, 22, .45) 100%);
        }
        .page-hero-content {
            position: relative;
            z-index: 2;
        }
        .page-hero .kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            background: rgba(199, 244, 100, .1);
            border: 1px solid rgba(199, 244, 100, .2);
            padding: 6px 16px;
            border-radius: var(--radius-full);
            letter-spacing: .08em;
            margin-bottom: 20px;
        }
        .page-hero h1 {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: .01em;
        }
        .page-hero p {
            font-size: 16px;
            color: rgba(255, 255, 255, .82);
            max-width: 620px;
            margin-bottom: 24px;
            line-height: 1.75;
        }
        .page-hero .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .hero-meta span {
            font-size: 13px;
            color: rgba(255, 255, 255, .75);
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .12);
            padding: 5px 14px;
            border-radius: var(--radius-full);
        }

        /* 步骤区 */
        .section-steps {
            padding: 80px 0;
            background: var(--bg);
        }
        .section-head {
            margin-bottom: 48px;
        }
        .section-head .eyebrow {
            font-size: 13px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: .1em;
            text-transform: uppercase;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 10px;
        }
        .section-head .eyebrow::before {
            content: '';
            width: 28px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }
        .section-head h2 {
            font-size: 28px;
            font-weight: 800;
            line-height: 1.35;
            letter-spacing: .01em;
            margin-bottom: 8px;
        }
        .section-head .sub {
            color: var(--text-light);
            font-size: 15px;
            max-width: 560px;
        }
        .step-card {
            display: flex;
            align-items: center;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 32px 36px;
            margin-bottom: 16px;
            transition: all .25s ease;
            box-shadow: var(--shadow-sm);
        }
        .step-card:nth-child(even) {
            background: #FBFCFD;
        }
        .step-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: rgba(231, 69, 44, .25);
        }
        .step-num {
            font-size: 42px;
            font-weight: 800;
            color: transparent;
            -webkit-text-stroke: 2px var(--primary);
            min-width: 68px;
            line-height: 1;
            font-family: "Oswald", "Archivo", var(--font-cn);
        }
        .step-body {
            flex: 1;
            padding: 0 32px;
        }
        .step-body h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--ink);
        }
        .step-body p {
            color: var(--text-light);
            font-size: 14px;
            margin: 0;
            line-height: 1.65;
        }
        .step-arrow {
            min-width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(231, 69, 44, .08);
            border-radius: 50%;
            color: var(--primary);
            font-size: 16px;
            transition: all .25s ease;
        }
        .step-card:hover .step-arrow {
            background: var(--primary);
            color: #fff;
        }

        /* 观赛场景 / 准备区 */
        .section-scenario {
            padding: 80px 0;
            background: var(--card);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .scenario-grid {
            display: grid;
            grid-template-columns: 1.15fr 1fr;
            gap: 56px;
            align-items: center;
        }
        .scenario-visual {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .scenario-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 16 / 10;
        }
        .scenario-visual::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(17, 19, 22, .35));
        }
        .scenario-list {
            margin-top: 20px;
        }
        .scenario-item {
            display: flex;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid var(--border);
        }
        .scenario-item:last-child {
            border-bottom: none;
        }
        .scenario-item .sc-icon {
            min-width: 42px;
            height: 42px;
            background: rgba(231, 69, 44, .08);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 15px;
        }
        .scenario-item h4 {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 2px;
        }
        .scenario-item p {
            font-size: 13px;
            color: var(--text-light);
            margin: 0;
            line-height: 1.6;
        }
        .scenario-tag-row {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 20px;
        }
        .scenario-tag-row .tag {
            font-size: 12px;
            background: var(--bg);
            border: 1px solid var(--border);
            color: var(--text);
            padding: 4px 12px;
            border-radius: var(--radius-full);
        }

        /* FAQ */
        .section-faq {
            padding: 80px 0;
            background: var(--bg);
        }
        .faq-layout {
            display: grid;
            grid-template-columns: 1fr 1.4fr;
            gap: 48px;
        }
        .faq-side .faq-tip {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px;
            margin-top: 24px;
            box-shadow: var(--shadow-sm);
        }
        .faq-side .faq-tip h5 {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .faq-side .faq-tip p {
            font-size: 14px;
            color: var(--text-light);
            margin: 0;
        }
        .accordion-item {
            background: var(--card);
            border: 1px solid var(--border) !important;
            border-radius: var(--radius) !important;
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow .25s ease;
        }
        .accordion-item:has(.show) {
            box-shadow: var(--shadow-md);
        }
        .accordion-button {
            font-size: 15px;
            font-weight: 600;
            color: var(--ink);
            padding: 18px 22px;
            background: var(--card);
            box-shadow: none;
        }
        .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: var(--card);
            box-shadow: none;
        }
        .accordion-button::after {
            background-image: none;
            content: '\2b';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 18px;
            color: var(--primary);
            width: auto;
            height: auto;
            display: flex;
            align-items: center;
            justify-content: center;
            transform: rotate(0);
        }
        .accordion-button:not(.collapsed)::after {
            content: '\f068';
            transform: rotate(0);
        }
        .accordion-body {
            padding: 6px 22px 20px;
            font-size: 14px;
            color: var(--text);
            line-height: 1.75;
            border-top: 1px solid var(--border);
        }

        /* CTA 订阅区 */
        .section-cta {
            padding: 64px 0;
            background: var(--card);
        }
        .cta-box {
            background: linear-gradient(120deg, #111316 0%, #1E2126 100%);
            border-radius: 18px;
            padding: 48px 56px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 36px;
            position: relative;
            overflow: hidden;
        }
        .cta-box::before {
            content: '';
            position: absolute;
            right: -60px;
            top: -60px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(231, 69, 44, .18);
        }
        .cta-box::after {
            content: '';
            position: absolute;
            right: 40px;
            bottom: -40px;
            width: 100px;
            height: 100px;
            border-radius: 50%;
            background: rgba(199, 244, 100, .08);
        }
        .cta-content {
            position: relative;
            z-index: 2;
        }
        .cta-content h3 {
            font-size: 24px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 8px;
        }
        .cta-content p {
            font-size: 15px;
            color: rgba(255, 255, 255, .72);
            margin: 0;
            max-width: 440px;
        }
        .cta-form {
            display: flex;
            gap: 12px;
            min-width: 360px;
            position: relative;
            z-index: 2;
        }
        .cta-form input {
            height: 48px;
            border-radius: 10px;
            border: 1px solid rgba(255, 255, 255, .16);
            background: rgba(255, 255, 255, .1);
            color: #fff;
            padding: 0 18px;
            font-size: 14px;
            min-width: 240px;
            flex: 1;
        }
        .cta-form input::placeholder {
            color: rgba(255, 255, 255, .55);
        }
        .cta-form input:focus {
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 0 2px rgba(231, 69, 44, .2);
            background: rgba(255, 255, 255, .14);
        }
        .btn-primary-brand {
            height: 48px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 10px;
            padding: 0 28px;
            font-size: 15px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all .25s ease;
        }
        .btn-primary-brand:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        /* 横向滚动推荐 */
        .section-more {
            padding: 80px 0;
            background: var(--bg);
        }
        .scroll-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .more-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all .25s ease;
            box-shadow: var(--shadow-sm);
        }
        .more-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .more-card img {
            width: 100%;
            height: 130px;
            object-fit: cover;
        }
        .more-card-body {
            padding: 16px 18px 18px;
        }
        .more-card-body h5 {
            font-size: 15px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 6px;
            line-height: 1.5;
        }
        .more-card-body .time {
            font-size: 12px;
            color: var(--text-light);
        }

        /* 页脚 */
        .footer {
            background: #111316;
            color: rgba(255, 255, 255, .72);
            padding: 64px 0 0;
            font-size: 14px;
        }
        .footer .footer-brand {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer .footer-brand i {
            color: var(--primary);
        }
        .footer p {
            font-size: 14px;
            line-height: 1.75;
            max-width: 360px;
            color: rgba(255, 255, 255, .65);
        }
        .footer h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: .02em;
        }
        .footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer ul li {
            margin-bottom: 10px;
        }
        .footer ul li a {
            color: rgba(255, 255, 255, .66);
            transition: all .25s ease;
        }
        .footer ul li a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            margin-top: 48px;
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, .4);
        }

        /* 响应式 */
        @media (max-width: 991px) {
            .navbar-collapse {
                padding: 16px 0;
            }
            .nav-link.active::after {
                left: 0;
                right: auto;
                top: auto;
                bottom: 4px;
                width: 100%;
            }
            .nav-actions {
                margin-left: 0;
                margin-top: 12px;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .step-card {
                flex-direction: column;
                text-align: center;
                padding: 28px 24px;
            }
            .step-num {
                margin-bottom: 12px;
            }
            .step-body {
                padding: 0;
                margin-bottom: 14px;
            }
            .step-arrow {
                transform: rotate(90deg);
            }
            .faq-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .cta-box {
                flex-direction: column;
                align-items: flex-start;
                padding: 40px 32px;
            }
            .cta-form {
                min-width: 0;
                width: 100%;
            }
            .scroll-row {
                grid-template-columns: 1fr 1fr;
                overflow-x: auto;
                scroll-snap-type: x mandatory;
            }
            .page-hero h1 {
                font-size: 32px;
            }
        }
        @media (max-width: 768px) {
            .section-steps,
            .section-scenario,
            .section-faq,
            .section-more {
                padding: 48px 0;
            }
            .section-head h2 {
                font-size: 24px;
            }
            .topbar .topbar-right .links-extra {
                display: none;
            }
            .cta-form {
                flex-direction: column;
            }
            .cta-form input {
                width: 100%;
            }
            .btn-primary-brand {
                width: 100%;
                justify-content: center;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        @media (max-width: 576px) {
            .scroll-row {
                grid-template-columns: 1fr;
                overflow: visible;
            }
            .scenario-visual img {
                aspect-ratio: 4 / 3;
            }
            .step-num {
                font-size: 36px;
            }
            .page-hero {
                padding: 48px 0;
            }
            .page-hero h1 {
                font-size: 28px;
            }
            .page-hero p {
                font-size: 15px;
            }
        }

/* roulang page: category2 */
:root {
      --primary: #E8452C;
      --primary-dark: #C1272D;
      --accent: #C7F464;
      --ink: #111316;
      --text: #6C737A;
      --bg: #F6F7F9;
      --card: #FFFFFF;
      --line: #E7EBEE;
      --radius: 14px;
      --radius-pill: 999px;
      --shadow-sm: 0 2px 8px rgba(17, 19, 22, .06);
      --shadow-md: 0 8px 24px rgba(17, 19, 22, .10);
      --shadow-lg: 0 16px 40px rgba(17, 19, 22, .16);
      --font-sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    }
    *,
    *::before,
    *::after {
      box-sizing: border-box;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      font-family: var(--font-sans);
      background: var(--bg);
      color: var(--ink);
      line-height: 1.75;
      margin: 0;
      -webkit-font-smoothing: antialiased;
    }
    img {
      max-width: 100%;
      display: block;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: color .2s ease;
    }
    button {
      font-family: inherit;
    }
    .container {
      max-width: 1200px;
    }

    /* ===== 导航 ===== */
    .navbar-main {
      background: rgba(255, 255, 255, .92);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--line);
      min-height: 56px;
      padding-top: 0;
      padding-bottom: 0;
      transition: box-shadow .3s ease;
    }
    .navbar-main.scrolled {
      box-shadow: var(--shadow-sm);
    }
    .navbar-main .navbar-brand {
      display: flex;
      align-items: center;
      gap: 8px;
      font-weight: 700;
      font-size: 18px;
      color: var(--ink);
      letter-spacing: .5px;
    }
    .navbar-main .navbar-brand .logo-icon {
      width: 34px;
      height: 34px;
      border-radius: 10px;
      background: var(--primary);
      color: #fff;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
      box-shadow: var(--shadow-sm);
    }
    .navbar-main .navbar-brand .brand-sub {
      font-weight: 400;
      color: var(--text);
      font-size: 14px;
      margin-left: 2px;
    }
    .navbar-main .navbar-nav .nav-link {
      font-weight: 500;
      font-size: 15px;
      color: var(--ink);
      padding: 16px 16px;
      position: relative;
      white-space: nowrap;
    }
    .navbar-main .navbar-nav .nav-link::after {
      content: '';
      position: absolute;
      left: 16px;
      right: 16px;
      bottom: 4px;
      height: 2px;
      border-radius: 2px;
      background: var(--primary);
      transform: scaleX(0);
      transform-origin: left;
      transition: transform .25s ease;
    }
    .navbar-main .navbar-nav .nav-link:hover,
    .navbar-main .navbar-nav .nav-link.active {
      color: var(--primary);
    }
    .navbar-main .navbar-nav .nav-link:hover::after,
    .navbar-main .navbar-nav .nav-link.active::after {
      transform: scaleX(1);
    }
    .navbar-main .nav-actions {
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .navbar-main .hot-pill {
      font-size: 12px;
      color: var(--primary);
      background: rgba(232, 69, 44, .08);
      border: 1px solid rgba(232, 69, 44, .15);
      border-radius: var(--radius-pill);
      padding: 6px 14px;
      font-weight: 500;
      white-space: nowrap;
    }
    .navbar-main .icon-btn {
      width: 38px;
      height: 38px;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: var(--ink);
      border: 1px solid var(--line);
      background: var(--card);
      transition: all .2s ease;
    }
    .navbar-main .icon-btn:hover {
      color: var(--primary);
      border-color: var(--primary);
      box-shadow: var(--shadow-sm);
    }
    .navbar-toggler {
      border: none;
      outline: none;
    }
    .navbar-toggler:focus {
      box-shadow: none;
    }
    .navbar-toggler-icon {
      background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(17,19,22,.7)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
    }
    @media (max-width: 991.98px) {
      .navbar-main .navbar-collapse {
        padding: 16px 0;
        border-top: 1px solid var(--line);
      }
      .navbar-main .navbar-nav .nav-link {
        padding: 12px 4px;
      }
      .navbar-main .navbar-nav .nav-link::after {
        left: 4px;
        right: auto;
        width: 28px;
      }
      .navbar-main .nav-actions {
        margin-top: 12px;
      }
    }

    /* ===== 通用 ===== */
    .section-pad {
      padding: 80px 0;
    }
    .section-head {
      margin-bottom: 48px;
    }
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: 13px;
      font-weight: 600;
      color: var(--primary);
      letter-spacing: 2px;
      text-transform: uppercase;
    }
    .eyebrow::before {
      content: '';
      width: 22px;
      height: 2px;
      background: var(--primary);
      border-radius: 2px;
    }
    .section-head h2 {
      font-size: 28px;
      font-weight: 700;
      color: var(--ink);
      margin: 12px 0 0;
      line-height: 1.35;
    }
    .section-head p {
      color: var(--text);
      font-size: 16px;
      margin-top: 12px;
      max-width: 640px;
    }
    @media (max-width: 767.98px) {
      .section-pad {
        padding: 48px 0;
      }
      .section-head h2 {
        font-size: 24px;
      }
    }

    /* ===== 分类 Hero ===== */
    .cat-hero {
      position: relative;
      padding: 96px 0;
      background: var(--ink);
      overflow: hidden;
    }
    .cat-hero-bg {
      position: absolute;
      inset: 0;
      background-size: cover;
      background-position: center;
      opacity: .4;
    }
    .cat-hero::after {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(90deg, rgba(17, 19, 22, .88) 0%, rgba(17, 19, 22, .55) 60%, rgba(17, 19, 22, .30) 100%);
    }
    .cat-hero-content {
      position: relative;
      z-index: 2;
      max-width: 760px;
    }
    .cat-kicker {
      display: inline-block;
      font-size: 13px;
      font-weight: 600;
      color: var(--accent);
      background: rgba(199, 244, 100, .10);
      border: 1px solid rgba(199, 244, 100, .25);
      padding: 6px 16px;
      border-radius: var(--radius-pill);
      letter-spacing: 1px;
      margin-bottom: 20px;
    }
    .cat-hero h1 {
      font-size: 40px;
      font-weight: 800;
      color: #fff;
      line-height: 1.25;
      margin-bottom: 16px;
      letter-spacing: .5px;
    }
    .cat-hero p {
      font-size: 17px;
      color: rgba(255, 255, 255, .85);
      max-width: 620px;
      margin-bottom: 0;
      line-height: 1.75;
    }
    .cat-hero .hero-tags {
      display: flex;
      gap: 10px;
      margin-top: 28px;
      flex-wrap: wrap;
    }
    .cat-hero .hero-tags span {
      font-size: 13px;
      color: rgba(255, 255, 255, .75);
      background: rgba(255, 255, 255, .08);
      border: 1px solid rgba(255, 255, 255, .12);
      border-radius: var(--radius-pill);
      padding: 6px 16px;
    }
    @media (max-width: 767.98px) {
      .cat-hero {
        padding: 64px 0;
      }
      .cat-hero h1 {
        font-size: 30px;
      }
      .cat-hero p {
        font-size: 15px;
      }
    }

    /* ===== 头条卡 ===== */
    .headline-section {
      padding: 80px 0 40px;
    }
    .headline-card {
      background: var(--card);
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      transition: box-shadow .3s ease, transform .3s ease;
    }
    .headline-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-2px);
    }
    .headline-media {
      flex: 0 0 56%;
      position: relative;
      min-height: 360px;
      overflow: hidden;
    }
    .headline-media img {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .4s ease;
    }
    .headline-card:hover .headline-media img {
      transform: scale(1.02);
    }
    .headline-body {
      flex: 1;
      padding: 44px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }
    .headline-body .tag-row {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
      margin-bottom: 16px;
    }
    .tag-badge {
      font-size: 12px;
      font-weight: 600;
      color: #fff;
      background: var(--primary);
      padding: 5px 14px;
      border-radius: var(--radius-pill);
      letter-spacing: .5px;
    }
    .tag-badge.light {
      background: rgba(232, 69, 44, .10);
      color: var(--primary);
      border: 1px solid rgba(232, 69, 44, .18);
    }
    .headline-body h2 {
      font-size: 26px;
      font-weight: 700;
      color: var(--ink);
      line-height: 1.35;
      margin-bottom: 14px;
    }
    .headline-body p {
      color: var(--text);
      font-size: 15px;
      line-height: 1.75;
      margin-bottom: 24px;
    }
    .headline-meta {
      display: flex;
      align-items: center;
      gap: 18px;
      color: var(--text);
      font-size: 13px;
      margin-bottom: 24px;
    }
    .headline-meta i {
      color: var(--primary);
      margin-right: 4px;
    }
    @media (max-width: 991.98px) {
      .headline-section {
        padding: 48px 0 32px;
      }
      .headline-card {
        flex-direction: column;
      }
      .headline-media {
        min-height: 240px;
        flex: none;
      }
      .headline-body {
        padding: 32px;
      }
    }
    @media (max-width: 575.98px) {
      .headline-body h2 {
        font-size: 22px;
      }
    }

    /* ===== 按钮 ===== */
    .btn-main {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--primary);
      color: #fff;
      border: none;
      border-radius: 10px;
      height: 48px;
      padding: 0 28px;
      font-size: 15px;
      font-weight: 600;
      letter-spacing: .5px;
      transition: all .2s ease;
      box-shadow: 0 4px 16px rgba(232, 69, 44, .25);
    }
    .btn-main:hover {
      background: var(--primary-dark);
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(193, 39, 45, .30);
    }
    .btn-outline {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: transparent;
      color: var(--ink);
      border: 1px solid var(--line);
      border-radius: 10px;
      height: 48px;
      padding: 0 28px;
      font-size: 15px;
      font-weight: 600;
      transition: all .2s ease;
    }
    .btn-outline:hover {
      color: var(--primary);
      border-color: var(--primary);
      background: rgba(232, 69, 44, .04);
      transform: translateY(-2px);
    }
    .btn-outline.light {
      color: #fff;
      border-color: rgba(255, 255, 255, .55);
    }
    .btn-outline.light:hover {
      background: rgba(255, 255, 255, .10);
      border-color: #fff;
      color: #fff;
    }
    .btn-link-arrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--primary);
      font-weight: 600;
      font-size: 14px;
      transition: gap .2s ease;
    }
    .btn-link-arrow:hover {
      gap: 12px;
      color: var(--primary-dark);
    }

    /* ===== 看点体系 ===== */
    .view-section {
      background: var(--card);
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
    }
    .view-wrap {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 64px;
      align-items: start;
    }
    .view-intro .lead-text {
      color: var(--text);
      font-size: 16px;
      line-height: 1.75;
      margin-top: 20px;
    }
    .view-points {
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    .view-point {
      display: flex;
      gap: 24px;
      padding: 28px 24px;
      border-radius: var(--radius);
      background: var(--bg);
      border: 1px solid transparent;
      transition: all .25s ease;
    }
    .view-point:hover {
      background: var(--card);
      border-color: var(--line);
      box-shadow: var(--shadow-sm);
    }
    .view-point .num {
      font-size: 36px;
      font-weight: 800;
      color: var(--primary);
      line-height: 1;
      opacity: .85;
      letter-spacing: 1px;
    }
    .view-point h3 {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--ink);
    }
    .view-point p {
      color: var(--text);
      font-size: 14px;
      line-height: 1.7;
      margin-bottom: 0;
    }
    @media (max-width: 991.98px) {
      .view-wrap {
        grid-template-columns: 1fr;
        gap: 32px;
      }
    }

    /* ===== 时间轴 ===== */
    .timeline-section {
      background: var(--bg);
    }
    .timeline-list {
      position: relative;
      padding-left: 44px;
      max-width: 860px;
    }
    .timeline-list::before {
      content: '';
      position: absolute;
      left: 7px;
      top: 12px;
      bottom: 12px;
      width: 2px;
      background: linear-gradient(to bottom, var(--primary), var(--line));
    }
    .timeline-item {
      position: relative;
      padding: 20px 0 20px 24px;
      border-bottom: 1px dashed var(--line);
      display: grid;
      grid-template-columns: 130px 1fr;
      gap: 24px;
      align-items: start;
    }
    .timeline-item:last-child {
      border-bottom: none;
    }
    .timeline-item::before {
      content: '';
      position: absolute;
      left: -40px;
      top: 28px;
      width: 14px;
      height: 14px;
      border-radius: 50%;
      background: var(--card);
      border: 3px solid var(--primary);
      box-shadow: 0 0 0 4px rgba(232, 69, 44, .12);
    }
    .timeline-time {
      font-size: 14px;
      font-weight: 700;
      color: var(--primary);
      letter-spacing: .5px;
      padding-top: 4px;
      white-space: nowrap;
    }
    .timeline-content h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--ink);
      margin-bottom: 6px;
    }
    .timeline-content p {
      font-size: 14px;
      color: var(--text);
      margin-bottom: 10px;
      line-height: 1.7;
    }
    .timeline-content .btn-link-arrow {
      font-size: 13px;
    }
    @media (max-width: 767.98px) {
      .timeline-item {
        grid-template-columns: 1fr;
        gap: 4px;
        padding: 16px 0 16px 20px;
      }
      .timeline-time {
        font-size: 13px;
      }
    }
    @media (max-width: 575.98px) {
      .timeline-list {
        padding-left: 32px;
      }
      .timeline-item::before {
        left: -32px;
        width: 12px;
        height: 12px;
      }
      .timeline-item {
        padding-left: 16px;
      }
    }

    /* ===== 适用场景 ===== */
    .scene-section {
      background: var(--card);
    }
    .scene-wrap {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 56px;
      align-items: center;
    }
    .scene-media {
      position: relative;
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow-md);
    }
    .scene-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      aspect-ratio: 4/3;
    }
    .scene-list {
      display: flex;
      flex-direction: column;
      gap: 24px;
    }
    .scene-item {
      display: flex;
      gap: 20px;
      padding: 20px 0;
      border-bottom: 1px solid var(--line);
    }
    .scene-item:last-child {
      border-bottom: none;
    }
    .scene-item .scene-icon {
      flex: 0 0 48px;
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: rgba(232, 69, 44, .10);
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
    }
    .scene-item h3 {
      font-size: 16px;
      font-weight: 700;
      color: var(--ink);
      margin-bottom: 4px;
    }
    .scene-item p {
      font-size: 14px;
      color: var(--text);
      margin-bottom: 0;
      line-height: 1.65;
    }
    @media (max-width: 991.98px) {
      .scene-wrap {
        grid-template-columns: 1fr;
        gap: 32px;
      }
    }

    /* ===== 标签云 ===== */
    .tag-cloud-section {
      background: var(--bg);
    }
    .tag-cloud-section .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 32px;
    }
    .tag-cloud span {
      display: inline-block;
      padding: 10px 20px;
      border-radius: var(--radius-pill);
      background: var(--card);
      border: 1px solid var(--line);
      font-size: 14px;
      color: var(--ink);
      cursor: default;
      transition: all .2s ease;
      box-shadow: var(--shadow-sm);
    }
    .tag-cloud span:hover {
      border-color: var(--primary);
      color: var(--primary);
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
    }
    .tag-cloud span .hot-dot {
      display: inline-block;
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--primary);
      margin-right: 6px;
      vertical-align: middle;
    }
    .tag-cloud span.hot {
      background: rgba(232, 69, 44, .06);
      border-color: rgba(232, 69, 44, .22);
      color: var(--primary);
      font-weight: 600;
    }

    /* ===== FAQ ===== */
    .faq-section {
      background: var(--card);
    }
    .faq-wrap {
      display: grid;
      grid-template-columns: .9fr 1.3fr;
      gap: 56px;
      align-items: start;
    }
    .faq-intro .faq-contact {
      margin-top: 24px;
      padding: 24px;
      background: var(--bg);
      border-radius: var(--radius);
      border: 1px solid var(--line);
    }
    .faq-intro .faq-contact p {
      font-size: 14px;
      color: var(--text);
      margin-bottom: 12px;
    }
    .faq-intro .faq-contact a {
      color: var(--primary);
      font-weight: 600;
      font-size: 14px;
    }
    .accordion {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .accordion-item {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      overflow: hidden;
      background: var(--card);
      transition: box-shadow .25s ease;
    }
    .accordion-item:not(:first-of-type) {
      border-top: 1px solid var(--line);
    }
    .accordion-item:focus-within {
      box-shadow: 0 0 0 3px rgba(232, 69, 44, .15);
    }
    .accordion-header {
      margin-bottom: 0;
    }
    .accordion-button {
      font-size: 15px;
      font-weight: 600;
      color: var(--ink);
      background: var(--card);
      padding: 18px 22px;
      box-shadow: none;
      border-radius: var(--radius) !important;
      transition: color .2s ease;
    }
    .accordion-button::after {
      background-image: url("data:image/svg+xml,%3csvg viewBox='0 0 16 16' fill='none' xmlns='http://www.w3.org/2000/svg'%3e%3cpath d='M8 2v12M2 8h12' stroke='%23E8452C' stroke-width='2' stroke-linecap='round'/%3e%3c/svg%3e");
      background-size: 14px;
      transition: transform .25s ease;
    }
    .accordion-button:not(.collapsed) {
      background: rgba(232, 69, 44, .04);
      color: var(--primary);
      box-shadow: none;
    }
    .accordion-button:not(.collapsed)::after {
      transform: rotate(45deg);
      background-image: url("data:image/svg+xml,%3csvg viewBox='0 0 16 16' fill='none' xmlns='http://www.w3.org/2000/svg'%3e%3cpath d='M8 2v12M2 8h12' stroke='%23E8452C' stroke-width='2' stroke-linecap='round'/%3e%3c/svg%3e");
    }
    .accordion-button:focus {
      box-shadow: none;
    }
    .accordion-body {
      padding: 0 22px 18px;
      color: var(--text);
      font-size: 14px;
      line-height: 1.75;
    }
    @media (max-width: 991.98px) {
      .faq-wrap {
        grid-template-columns: 1fr;
        gap: 32px;
      }
    }

    /* ===== CTA ===== */
    .cta-section {
      position: relative;
      padding: 80px 0;
      background: var(--ink);
      overflow: hidden;
    }
    .cta-section::before {
      content: '';
      position: absolute;
      inset: 0;
      background: url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      opacity: .25;
    }
    .cta-section::after {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(135deg, rgba(17, 19, 22, .92) 0%, rgba(232, 69, 44, .65) 100%);
    }
    .cta-box {
      position: relative;
      z-index: 2;
      text-align: center;
      max-width: 720px;
      margin: 0 auto;
    }
    .cta-box .eyebrow {
      color: var(--accent);
      justify-content: center;
    }
    .cta-box .eyebrow::before {
      background: var(--accent);
    }
    .cta-box h2 {
      font-size: 30px;
      font-weight: 800;
      color: #fff;
      line-height: 1.3;
      margin: 16px 0;
    }
    .cta-box p {
      color: rgba(255, 255, 255, .75);
      font-size: 15px;
      margin-bottom: 28px;
    }
    .cta-actions {
      display: flex;
      gap: 16px;
      justify-content: center;
      flex-wrap: wrap;
    }
    @media (max-width: 575.98px) {
      .cta-section {
        padding: 56px 0;
      }
      .cta-box h2 {
        font-size: 26px;
      }
      .cta-actions .btn-main,
      .cta-actions .btn-outline {
        width: 100%;
        justify-content: center;
      }
    }

    /* ===== 页脚 ===== */
    .footer {
      background: #0D0F11;
      color: rgba(255, 255, 255, .70);
      padding: 64px 0 0;
    }
    .footer .footer-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 20px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 14px;
    }
    .footer .footer-brand i {
      width: 38px;
      height: 38px;
      border-radius: 10px;
      background: var(--primary);
      color: #fff;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 15px;
    }
    .footer p {
      font-size: 14px;
      color: rgba(255, 255, 255, .55);
      max-width: 360px;
      line-height: 1.7;
      margin-bottom: 0;
    }
    .footer h4 {
      font-size: 16px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 20px;
      letter-spacing: .5px;
    }
    .footer ul {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .footer ul li {
      margin-bottom: 10px;
    }
    .footer ul li a {
      font-size: 14px;
      color: rgba(255, 255, 255, .60);
      transition: color .2s ease, padding-left .2s ease;
    }
    .footer ul li a:hover {
      color: var(--accent);
      padding-left: 6px;
    }
    .footer-bottom {
      margin-top: 48px;
      padding: 20px 0;
      border-top: 1px solid rgba(255, 255, 255, .08);
      display: flex;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 8px;
      font-size: 13px;
      color: rgba(255, 255, 255, .40);
    }
    @media (max-width: 767.98px) {
      .footer {
        padding: 48px 0 0;
      }
      .footer .row .col-lg-5,
      .footer .row .col-lg-3,
      .footer .row .col-lg-4 {
        margin-bottom: 32px;
      }
      .footer-bottom {
        flex-direction: column;
        text-align: center;
      }
    }

    /* ===== focus-visible ===== */
    a:focus-visible,
    button:focus-visible,
    .navbar-toggler:focus-visible,
    input:focus-visible {
      outline: 2px solid var(--primary);
      outline-offset: 2px;
    }

    /* ===== 图片兜底 ===== */
    .headline-media img,
    .scene-media img {
      background: linear-gradient(135deg, rgba(232, 69, 44, .12), rgba(232, 69, 44, .04));
    }