/* roulang page: index */
:root{
  --brand-dark:#0F1B2C;
  --brand-dark-lighter:#18263A;
  --brand-gold:#C9A96A;
  --brand-gold-hover:#B89550;
  --surface-page:#F7F5F0;
  --surface-secondary:#E8ECF0;
  --surface-card:#FFFFFF;
  --text-primary:#1E2A38;
  --text-secondary:#5A6B7C;
  --text-light:#A3B2C0;
  --border-color:#D8DEE5;
  --font-heading:"Noto Serif SC","Source Han Serif SC","STSong",serif;
  --font-body:"Noto Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  --radius-card:12px;
  --radius-btn:6px;
  --radius-input:8px;
  --shadow-normal:0 2px 10px rgba(15,27,44,.06);
  --shadow-hover:0 8px 24px rgba(15,27,44,.10);
  --shadow-gold:0 4px 14px rgba(201,169,106,.35);
  --transition:.25s ease;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  font-size:1rem;
  line-height:1.8;
  color:var(--text-primary);
  background:var(--surface-page);
  -webkit-font-smoothing:antialiased;
}
a{text-decoration:none;color:inherit;transition:color .2s ease}
img{max-width:100%;height:auto;display:block}
ul{list-style:none;margin:0;padding:0}
button{border:none;background:none;cursor:pointer}
input,textarea{font-family:var(--font-body)}
.container{max-width:1200px}
.section{padding:96px 0}
.section-subtitle{color:var(--text-secondary);font-size:.9375rem;max-width:600px;line-height:1.7}
h1,h2,h3,h4,.font-heading{font-family:var(--font-heading)}
.text-gold{color:var(--brand-gold)}

/* ===== 按钮 ===== */
.btn{font-weight:600;border-radius:var(--radius-btn);padding:12px 28px;transition:all var(--transition);font-size:.9375rem;position:relative;outline-offset:2px}
.btn:focus-visible{outline:2px solid var(--brand-gold);outline-offset:2px}
.btn-primary{background:var(--brand-gold);border:1px solid var(--brand-gold);color:var(--brand-dark)}
.btn-primary:hover,.btn-primary:active,.btn-primary:focus{background:var(--brand-gold-hover);border-color:var(--brand-gold-hover);color:var(--brand-dark);box-shadow:var(--shadow-gold)}
.btn-outline-primary{background:transparent;border:1.5px solid var(--brand-dark);color:var(--brand-dark)}
.btn-outline-primary:hover,.btn-outline-primary:active,.btn-outline-primary:focus{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff}
.btn-outline-light{background:transparent;border:1.5px solid rgba(255,255,255,.75);color:#fff}
.btn-outline-light:hover,.btn-outline-light:active,.btn-outline-light:focus{background:rgba(255,255,255,.12);border-color:#fff;color:#fff}
.btn-link{color:var(--brand-gold-hover);font-weight:600;padding:0;display:inline-flex;align-items:center;gap:6px}
.btn-link:hover{color:var(--brand-dark)}
.btn-link:hover .arrow{transform:translateX(4px)}
.btn-link .arrow{transition:transform .25s ease;display:inline-block}

/* ===== 徽章 ===== */
.badge-cat{background:var(--surface-secondary);color:var(--brand-dark);font-size:.75rem;padding:4px 12px;border-radius:20px;font-weight:500;display:inline-block;line-height:1.5}
.badge-gold{background:rgba(201,169,106,.18);color:var(--brand-gold);font-size:.75rem;padding:4px 12px;border-radius:20px;font-weight:500;display:inline-block}

/* ===== Header ===== */
.site-header{position:relative;z-index:1030}
.top-brand-bar{background:var(--brand-dark);height:56px;display:flex;align-items:center}
.brand-logo{display:flex;align-items:center;gap:10px;color:#fff;font-size:1.25rem;font-weight:700;font-family:var(--font-heading);line-height:1.2}
.brand-logo .logo-star{color:var(--brand-gold);display:inline-flex;align-items:center}
.brand-logo small{font-family:var(--font-body);font-size:.75rem;font-weight:400;color:rgba(255,255,255,.6);margin-left:2px;letter-spacing:.5px}
.brand-tools{display:flex;align-items:center;gap:16px}
.search-box{display:flex;align-items:center;background:rgba(255,255,255,.08);border-radius:var(--radius-input);padding:2px 2px 2px 14px;width:220px;height:36px}
.search-box input{background:transparent;border:none;color:#fff;font-size:.8125rem;width:100%;outline:none}
.search-box input::placeholder{color:rgba(255,255,255,.45)}
.search-box button{background:var(--brand-gold);color:var(--brand-dark);border-radius:6px;width:64px;height:30px;font-size:.75rem;font-weight:600;display:flex;align-items:center;justify-content:center;gap:4px;transition:background .2s ease}
.search-box button:hover{background:var(--brand-gold-hover)}
.contact-link{color:rgba(255,255,255,.8);font-size:.8125rem;display:flex;align-items:center;gap:6px;transition:color .2s}
.contact-link:hover{color:var(--brand-gold)}
.hamburger{width:40px;height:40px;display:none;flex-direction:column;align-items:center;justify-content:center;gap:5px;border-radius:6px;transition:background .2s}
.hamburger:hover{background:rgba(255,255,255,.08)}
.hamburger span{width:20px;height:2px;background:#fff;border-radius:2px;display:block}
.channel-nav{background:var(--surface-page);border-bottom:1px solid var(--border-color);height:48px;display:flex;align-items:center}
.channel-list{display:flex;align-items:center;gap:32px;height:100%}
.channel-list a{color:var(--text-secondary);font-size:.9375rem;font-weight:500;position:relative;height:48px;display:flex;align-items:center;line-height:1;transition:color .2s ease;white-space:nowrap}
.channel-list a::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:2px;background:var(--brand-gold);transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
.channel-list a:hover{color:var(--brand-dark)}
.channel-list a:hover::after{transform:scaleX(1)}
.channel-list a.active{color:var(--brand-dark)}
.channel-list a.active::after{transform:scaleX(1)}

/* ===== Hero ===== */
.hero{
  position:relative;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  background-attachment:fixed;
  padding:120px 0;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(15,27,44,.85) 0%,rgba(15,27,44,.65) 100%);
}
.hero .container{position:relative;z-index:2;text-align:center;max-width:760px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(201,169,106,.15);border:1px solid rgba(201,169,106,.35);color:var(--brand-gold);padding:6px 16px;border-radius:20px;font-size:.8125rem;margin-bottom:24px;font-weight:500}
.hero h1{color:#fff;font-size:clamp(2rem,4vw,3rem);line-height:1.25;font-weight:700;margin-bottom:20px;text-shadow:0 2px 12px rgba(0,0,0,.3)}
.hero .lead{color:rgba(255,255,255,.82);font-size:1.0625rem;line-height:1.8;max-width:580px;margin:0 auto 36px}
.hero .btn-group-hero{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.hero-scroll{position:absolute;bottom:28px;left:50%;transform:translateX(-50%);z-index:2;color:rgba(255,255,255,.55);display:flex;flex-direction:column;align-items:center;gap:4px;font-size:.6875rem;letter-spacing:2px;text-transform:uppercase;transition:color .2s}
.hero-scroll:hover{color:var(--brand-gold)}
.hero-scroll svg{animation:scrollHint 1.8s ease-in-out infinite}
@keyframes scrollHint{
  0%,100%{transform:translateY(0);opacity:.6}
  50%{transform:translateY(6px);opacity:1}
}

/* ===== 痛点区 ===== */
.pain-card{
  background:var(--surface-card);
  border:1px solid var(--border-color);
  border-radius:var(--radius-card);
  padding:28px 24px;
  height:100%;
  box-shadow:var(--shadow-normal);
  transition:all var(--transition);
}
.pain-card:hover{border-color:var(--brand-gold);box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.pain-card .icon-box{
  width:48px;height:48px;border-radius:10px;
  background:var(--surface-secondary);
  display:flex;align-items:center;justify-content:center;
  color:var(--brand-gold);margin-bottom:16px;
  transition:all var(--transition);
}
.pain-card:hover .icon-box{background:var(--brand-dark);color:var(--brand-gold)}
.pain-card h3{font-size:1.0625rem;font-weight:600;line-height:1.45;margin-bottom:8px;color:var(--text-primary)}
.pain-card p{font-size:.875rem;line-height:1.7;color:var(--text-secondary);margin-bottom:0}

/* ===== 方案区 ===== */
.solution-card{
  background:var(--surface-card);
  border:1px solid var(--border-color);
  border-radius:var(--radius-card);
  padding:36px 32px;
  height:100%;
  box-shadow:var(--shadow-normal);
  transition:all var(--transition);
  position:relative;
  display:flex;
  flex-direction:column;
}
.solution-card:hover{border-color:var(--brand-gold);box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.solution-card .num{
  font-family:var(--font-heading);
  font-size:2.5rem;
  line-height:1;
  color:var(--brand-gold);
  opacity:.85;
  margin-bottom:20px;
  font-weight:600;
}
.solution-card h3{font-size:1.25rem;font-weight:600;margin-bottom:12px;color:var(--text-primary)}
.solution-card p{font-size:.875rem;line-height:1.75;color:var(--text-secondary);margin-bottom:18px;flex-grow:1}
.solution-card .tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.solution-card .tags span{background:var(--surface-secondary);color:var(--brand-dark);font-size:.75rem;padding:4px 12px;border-radius:20px;font-weight:500}
.solution-card .card-footer-link{margin-top:auto;padding-top:16px;border-top:1px solid var(--border-color)}
.solution-card.dark{
  background:var(--brand-dark);
  border-color:var(--brand-dark);
}
.solution-card.dark h3,.solution-card.dark .num{color:#fff}
.solution-card.dark .num{color:var(--brand-gold)}
.solution-card.dark p{color:rgba(255,255,255,.72)}
.solution-card.dark .tags span{background:rgba(255,255,255,.1);color:rgba(255,255,255,.85)}
.solution-card.dark .card-footer-link{border-color:rgba(255,255,255,.12)}

/* ===== 数据区 ===== */
.stats-section{background:var(--brand-dark);padding:80px 0}
.stats-header{display:flex;justify-content:space-between;align-items:flex-end;flex-wrap:wrap;gap:24px;margin-bottom:48px}
.stats-header h2{color:#fff;font-size:clamp(1.5rem,2.5vw,2rem);font-weight:600;margin-bottom:8px}
.stats-header p{color:rgba(255,255,255,.6);font-size:.9375rem;margin-bottom:0}
.stat-item{text-align:center;padding:24px 16px}
.stat-item .stat-num{
  font-family:var(--font-heading);
  font-size:2.5rem;
  font-weight:700;
  color:var(--brand-gold);
  line-height:1.2;
  margin-bottom:8px;
}
.stat-item .stat-label{color:rgba(255,255,255,.7);font-size:.875rem}

/* ===== 最新动态 ===== */
.latest-section{background:var(--surface-secondary)}
.latest-header{display:flex;justify-content:space-between;align-items:flex-end;flex-wrap:wrap;gap:16px;margin-bottom:40px}
.latest-header h2{font-size:clamp(1.5rem,2.5vw,2rem);font-weight:600;color:var(--text-primary);margin-bottom:4px}
.feature-card{
  background:var(--surface-card);
  border:1px solid var(--border-color);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-normal);
  transition:all var(--transition);
  height:100%;
}
.feature-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.feature-card .cover-wrap{position:relative;display:block;aspect-ratio:16/9;overflow:hidden}
.feature-card .cover-wrap img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.feature-card:hover .cover-wrap img{transform:scale(1.04)}
.feature-card .cover-wrap .badge-cat{position:absolute;top:14px;left:14px;z-index:2}
.feature-card .body{padding:20px 24px}
.feature-card .body h3{font-size:1.125rem;font-weight:600;line-height:1.5;margin-bottom:8px}
.feature-card .body h3 a{color:var(--text-primary)}
.feature-card .body h3 a:hover{color:var(--brand-gold-hover)}
.feature-card .body p{font-size:.875rem;color:var(--text-secondary);line-height:1.7;margin-bottom:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.feature-card .meta{font-size:.75rem;color:var(--text-light)}
.list-card{
  background:var(--surface-card);
  border:1px solid var(--border-color);
  border-radius:var(--radius-card);
  padding:16px;
  margin-bottom:16px;
  box-shadow:var(--shadow-normal);
  transition:all var(--transition);
  align-items:center;
}
.list-card:last-child{margin-bottom:0}
.list-card:hover{border-color:var(--brand-gold);box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.list-card .thumb{
  width:80px;height:80px;border-radius:8px;object-fit:cover;margin-right:16px;
}
.list-card h4{font-size:1rem;font-weight:600;line-height:1.5;margin-bottom:4px}
.list-card h4 a{color:var(--text-primary)}
.list-card h4 a:hover{color:var(--brand-gold-hover)}
.list-card p{font-size:.875rem;color:var(--text-secondary);line-height:1.6;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.list-card .meta{font-size:.75rem;color:var(--text-light)}
.empty-state{
  border:2px dashed var(--border-color);
  border-radius:var(--radius-card);
  padding:64px 32px;
  text-align:center;
  background:var(--surface-card);
}
.empty-state .star-icon{width:48px;height:48px;color:var(--brand-gold);margin:0 auto 16px;opacity:.6}
.empty-state p{color:var(--text-secondary);font-size:.9375rem}

/* ===== FAQ ===== */
.faq-item{
  border:1px solid var(--border-color);
  border-radius:var(--radius-card);
  background:var(--surface-card);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .25s ease;
}
.faq-item.active{border-color:var(--brand-gold)}
.faq-item .faq-toggle{
  width:100%;text-align:left;
  padding:18px 24px;
  font-size:1rem;font-weight:600;
  color:var(--text-primary);
  display:flex;justify-content:space-between;align-items:center;
  gap:16px;
}
.faq-item .faq-toggle .icon{
  width:24px;height:24px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  font-size:1.25rem;line-height:1;color:var(--brand-gold);
  transition:transform .3s ease;
}
.faq-item.active .faq-toggle .icon{transform:rotate(45deg)}
.faq-item .faq-body{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item .faq-body-inner{padding:0 24px 20px;color:var(--text-secondary);font-size:.875rem;line-height:1.8}
.faq-item.active .faq-body{max-height:400px}

/* ===== CTA ===== */
.cta-section{background:var(--surface-page)}
.cta-box{
  background:var(--brand-dark);
  border-radius:16px;
  padding:56px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:32px;
  position:relative;
  overflow:hidden;
}
.cta-box::before{content:"";position:absolute;top:-60px;right:-60px;width:200px;height:200px;background:rgba(201,169,106,.1);border-radius:50%}
.cta-box h2{color:#fff;font-size:clamp(1.35rem,2vw,1.75rem);font-weight:600;margin-bottom:8px}
.cta-box p{color:rgba(255,255,255,.7);font-size:.9375rem;margin-bottom:0}
.cta-box .btn{z-index:2}

/* ===== Footer ===== */
.site-footer{background:var(--brand-dark);padding:64px 0 0;color:rgba(255,255,255,.7)}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;color:#fff;font-size:1.25rem;font-weight:700;font-family:var(--font-heading)}
.footer-brand .logo-star{color:var(--brand-gold)}
.site-footer h5{color:#fff;font-size:1rem;font-weight:600;margin-bottom:20px;font-family:var(--font-heading)}
.site-footer .footer-links li{margin-bottom:10px}
.site-footer .footer-links a{color:var(--text-light);font-size:.875rem;transition:color .2s}
.site-footer .footer-links a:hover{color:var(--brand-gold)}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;margin-bottom:12px;font-size:.875rem;color:rgba(255,255,255,.65)}
.footer-contact li svg{flex-shrink:0;margin-top:4px;color:var(--brand-gold)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:48px;padding:20px 0;text-align:center;font-size:.8125rem;color:#8A9BA8}
.footer-bottom .sep{margin:0 8px;opacity:.4}

/* ===== Modal ===== */
.modal-content{border-radius:16px;border:none;overflow:hidden}
.modal-header{background:var(--brand-dark);color:#fff;border-bottom:none;padding:20px 28px}
.modal-header .btn-close{filter:invert(1);opacity:.7}
.modal-header .btn-close:hover{opacity:1}
.modal-body{padding:28px}
.modal-body .form-label{font-size:.875rem;font-weight:500;color:var(--text-primary);margin-bottom:6px}
.modal-body .form-control{
  border:1px solid var(--border-color);
  border-radius:var(--radius-input);
  padding:12px 14px;
  font-size:.875rem;
  background:#fff;
  transition:border-color .2s,box-shadow .2s;
}
.modal-body .form-control:focus{border-color:var(--brand-gold);box-shadow:0 0 0 3px rgba(201,169,106,.15);outline:none}
.modal-body .form-control::placeholder{color:#9AABBA}
.privacy-note{font-size:.75rem;color:var(--text-light);line-height:1.6;background:var(--surface-secondary);border-radius:8px;padding:10px 14px;margin-top:14px}
.btn-submit{width:100%;background:var(--brand-gold);color:var(--brand-dark);border-radius:var(--radius-btn);padding:12px 20px;font-weight:600;font-size:.9375rem;transition:background .2s,box-shadow .2s}
.btn-submit:hover{background:var(--brand-gold-hover);box-shadow:var(--shadow-gold)}

/* ===== 响应式 ===== */
@media (max-width:991px){
  .hamburger{display:flex}
  .channel-nav{
    display:none;
    position:absolute;
    top:56px;left:0;right:0;
    background:var(--brand-dark);
    border-bottom:none;
    height:auto;
    box-shadow:0 12px 24px rgba(15,27,44,.24);
    z-index:1020;
  }
  .channel-nav.open{display:block}
  .channel-list{flex-direction:column;align-items:stretch;gap:0;padding:8px 0}
  .channel-list a{color:rgba(255,255,255,.85);height:auto;padding:14px 24px;border-bottom:1px solid rgba(255,255,255,.06)}
  .channel-list a::after{display:none}
  .channel-list a.active{color:var(--brand-gold)}
  .search-box{display:none}
  .hero{padding:80px 0}
}
@media (max-width:767px){
  .section{padding:64px 0}
  .hero h1{font-size:1.75rem}
  .hero .lead{font-size:.9375rem}
  .cta-box{padding:40px 24px}
  .solution-card{padding:28px 20px}
  .stat-item .stat-num{font-size:1.8rem}
  .list-card .thumb{width:64px;height:64px}
  .list-card h4{font-size:.9375rem}
  .list-card p{font-size:.8125rem}
}
@media (max-width:575px){
  .hero{padding:64px 0}
  .brand-tools .contact-link span.contact-text{display:none}
  .footer-bottom{font-size:.75rem}
}

/* ===== 通用卡片/区块透明过渡 ===== */
.card-section{background:var(--surface-page)}
.card-section-secondary{background:var(--surface-secondary)}

/* roulang page: category1 */
:root {
      --brand-primary: #0F1B2C;
      --brand-gold: #C9A96A;
      --brand-gold-hover: #B89550;
      --surface-page: #F7F5F0;
      --surface-mist: #E8ECF0;
      --surface-white: #FFFFFF;
      --text-ink: #1E2A38;
      --text-muted: #5A6B7C;
      --border-line: #D8DEE5;
      --radius-card: 12px;
      --radius-btn: 6px;
      --radius-input: 8px;
      --shadow-sm: 0 2px 10px rgba(15, 27, 44, 0.06);
      --shadow-lg: 0 8px 24px rgba(15, 27, 44, 0.10);
      --font-title: "Noto Serif SC", "Source Han Serif SC", "STSong", serif;
      --font-body: "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
    }

    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--font-body);
      background-color: var(--surface-page);
      color: var(--text-ink);
      line-height: 1.8;
      font-size: 1rem;
    }

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

    a {
      text-decoration: none;
      color: var(--brand-primary);
      transition: color 0.2s ease;
    }

    a:hover {
      color: var(--brand-gold-hover);
    }

    .container {
      max-width: 1200px;
    }

    h1,
    h2,
    h3,
    h4,
    h5 {
      font-family: var(--font-title);
      color: var(--brand-primary);
      font-weight: 700;
      line-height: 1.4;
    }

    h1 {
      font-size: clamp(2rem, 4vw, 2.8rem);
      letter-spacing: 0.02em;
    }

    h2 {
      font-size: clamp(1.5rem, 2.5vw, 2rem);
      margin-bottom: 1rem;
    }

    h3 {
      font-size: 1.25rem;
      margin-bottom: 0.75rem;
    }

    p {
      line-height: 1.8;
      color: var(--text-ink);
    }

    .section {
      padding: 96px 0;
    }

    .section-label {
      display: inline-block;
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--brand-gold-hover);
      letter-spacing: 0.12em;
      text-transform: uppercase;
      margin-bottom: 8px;
      position: relative;
      padding-left: 20px;
    }

    .section-label::before {
      content: "";
      position: absolute;
      left: 0;
      top: 50%;
      width: 12px;
      height: 2px;
      background: var(--brand-gold);
      transform: translateY(-50%);
    }

    .section-desc {
      color: var(--text-muted);
      max-width: 640px;
      margin-bottom: 2rem;
    }

    /* ===== 顶部品牌行 ===== */
    .top-bar {
      background: var(--brand-primary);
      height: 56px;
    }

    .top-bar .container {
      height: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .brand-lockup {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .brand-lockup a {
      display: flex;
      align-items: center;
      gap: 10px;
      color: #fff;
      font-size: 1.25rem;
      font-weight: 700;
      letter-spacing: 0.02em;
    }

    .brand-lockup .brand-sub {
      font-size: 0.75rem;
      font-weight: 400;
      color: rgba(255, 255, 255, 0.6);
      border-left: 1px solid rgba(255, 255, 255, 0.25);
      padding-left: 10px;
      line-height: 1.2;
    }

    .top-tools {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .top-search {
      display: flex;
      align-items: center;
      background: rgba(255, 255, 255, 0.1);
      border-radius: var(--radius-input);
      padding: 4px 4px 4px 12px;
      width: 220px;
    }

    .top-search input {
      background: transparent;
      border: none;
      outline: none;
      color: #fff;
      font-size: 0.8125rem;
      width: 100%;
    }

    .top-search input::placeholder {
      color: rgba(255, 255, 255, 0.5);
    }

    .top-search button {
      background: var(--brand-gold);
      border: none;
      color: var(--brand-primary);
      width: 28px;
      height: 28px;
      border-radius: 6px;
      font-size: 0.75rem;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: background 0.2s ease;
    }

    .top-search button:hover {
      background: var(--brand-gold-hover);
    }

    .top-contact {
      color: rgba(255, 255, 255, 0.85);
      font-size: 0.8125rem;
      transition: color 0.2s ease;
      white-space: nowrap;
    }

    .top-contact:hover {
      color: var(--brand-gold);
    }

    .mobile-search-btn {
      display: none;
      background: none;
      border: none;
      color: #fff;
      font-size: 1rem;
      cursor: pointer;
      padding: 4px 8px;
    }

    /* ===== 频道导航 ===== */
    .channel-nav {
      background: var(--surface-page);
      border-bottom: 1px solid var(--border-line);
      min-height: 48px;
    }

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

    .channel-list {
      list-style: none;
      display: flex;
      gap: 32px;
      margin: 0;
      padding: 0;
    }

    .channel-list li a {
      display: inline-block;
      font-size: 0.9375rem;
      color: var(--text-muted);
      padding: 12px 0 8px;
      border-bottom: 2px solid transparent;
      transition: color 0.2s ease, border-color 0.2s ease;
      white-space: nowrap;
    }

    .channel-list li a:hover {
      color: var(--brand-primary);
      border-bottom-color: var(--brand-gold);
    }

    .channel-list li a.active {
      color: var(--brand-primary);
      font-weight: 600;
      border-bottom-color: var(--brand-gold);
    }

    .nav-toggle {
      display: none;
      background: none;
      border: none;
      color: var(--brand-primary);
      font-size: 1.25rem;
      cursor: pointer;
      padding: 8px 0;
    }

    /* 移动端抽屉 */
    .drawer-overlay {
      display: none;
      position: fixed;
      inset: 0;
      background: rgba(15, 27, 44, 0.5);
      z-index: 1040;
    }

    .drawer-overlay.show {
      display: block;
    }

    .drawer-menu {
      position: fixed;
      top: 0;
      right: -280px;
      width: 280px;
      height: 100%;
      background: var(--brand-primary);
      z-index: 1050;
      transition: right 0.3s ease;
      padding: 24px;
      overflow-y: auto;
    }

    .drawer-menu.open {
      right: 0;
    }

    .drawer-menu .drawer-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      color: #fff;
      font-size: 1.125rem;
      font-weight: 700;
      padding-bottom: 20px;
      margin-bottom: 20px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    }

    .drawer-menu .drawer-link {
      display: block;
      color: rgba(255, 255, 255, 0.9);
      font-size: 1rem;
      padding: 12px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      transition: color 0.2s ease, padding-left 0.2s ease;
    }

    .drawer-menu .drawer-link:hover,
    .drawer-menu .drawer-link.active {
      color: var(--brand-gold);
      padding-left: 8px;
    }

    .drawer-close {
      position: absolute;
      top: 16px;
      right: 16px;
      background: none;
      border: none;
      color: rgba(255, 255, 255, 0.7);
      font-size: 1.25rem;
      cursor: pointer;
      padding: 4px 8px;
    }

    /* ===== 面包屑 ===== */
    .breadcrumb-wrap {
      background: var(--surface-mist);
      padding: 12px 0;
    }

    .breadcrumb-wrap .breadcrumb {
      margin: 0;
      font-size: 0.8125rem;
    }

    .breadcrumb-wrap .breadcrumb-item {
      color: var(--text-muted);
    }

    .breadcrumb-wrap .breadcrumb-item a {
      color: var(--text-muted);
    }

    .breadcrumb-wrap .breadcrumb-item a:hover {
      color: var(--brand-primary);
    }

    .breadcrumb-wrap .breadcrumb-item.active {
      color: var(--brand-primary);
      font-weight: 500;
    }

    .breadcrumb-wrap .breadcrumb-item+.breadcrumb-item::before {
      color: var(--text-muted);
      content: ">";
    }

    /* ===== Hero ===== */
    .category-hero {
      position: relative;
      background-image: linear-gradient(180deg, rgba(15, 27, 44, 0.88), rgba(15, 27, 44, 0.72)), url('/assets/images/backpic/back-1.png');
      background-size: cover;
      background-position: center;
      padding: 96px 0 88px;
      color: #fff;
    }

    .category-hero .hero-inner {
      max-width: 720px;
      margin: 0 auto;
      text-align: center;
    }

    .category-hero .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: rgba(201, 169, 106, 0.18);
      border: 1px solid rgba(201, 169, 106, 0.4);
      color: var(--brand-gold);
      font-size: 0.8125rem;
      font-weight: 500;
      padding: 4px 14px;
      border-radius: 20px;
      margin-bottom: 16px;
    }

    .category-hero h1 {
      color: #fff;
      font-size: clamp(2.2rem, 4.5vw, 3.2rem);
      font-weight: 700;
      margin-bottom: 16px;
      letter-spacing: 0.04em;
      line-height: 1.25;
    }

    .category-hero .hero-desc {
      color: rgba(255, 255, 255, 0.85);
      font-size: 1.0625rem;
      line-height: 1.8;
      max-width: 620px;
      margin: 0 auto 28px;
    }

    .category-hero .hero-actions {
      display: flex;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
    }

    .category-hero .scroll-hint {
      margin-top: 48px;
      color: rgba(255, 255, 255, 0.5);
      font-size: 0.875rem;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
    }

    .category-hero .scroll-hint i {
      animation: bounceDown 2s infinite;
    }

    @keyframes bounceDown {
      0%,
      100% {
        transform: translateY(0);
      }
      50% {
        transform: translateY(6px);
      }
    }

    /* ===== 按钮系统 ===== */
    .btn {
      border-radius: var(--radius-btn);
      font-weight: 600;
      padding: 12px 28px;
      font-size: 0.9375rem;
      transition: all 0.25s ease;
      border: none;
    }

    .btn:focus {
      outline: 2px solid var(--brand-gold);
      outline-offset: 2px;
      box-shadow: none;
    }

    .btn-primary {
      background: var(--brand-gold);
      color: var(--brand-primary);
      font-weight: 600;
    }

    .btn-primary:hover,
    .btn-primary:focus {
      background: var(--brand-gold-hover);
      color: var(--brand-primary);
      box-shadow: 0 4px 14px rgba(201, 169, 106, 0.35);
      transform: translateY(-2px);
    }

    .btn-outline-light {
      background: transparent;
      color: #fff;
      border: 1.5px solid rgba(255, 255, 255, 0.7);
    }

    .btn-outline-light:hover {
      background: #fff;
      color: var(--brand-primary);
      border-color: #fff;
      transform: translateY(-2px);
    }

    .btn-outline-primary {
      background: transparent;
      color: var(--brand-primary);
      border: 1.5px solid var(--brand-primary);
    }

    .btn-outline-primary:hover {
      background: var(--brand-primary);
      color: #fff;
      border-color: var(--brand-primary);
      transform: translateY(-2px);
      box-shadow: var(--shadow-lg);
    }

    .btn-gold-outline {
      background: transparent;
      color: var(--brand-gold);
      border: 1.5px solid var(--brand-gold);
    }

    .btn-gold-outline:hover {
      background: var(--brand-gold);
      color: var(--brand-primary);
    }

    .btn-link-arrow {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--brand-gold-hover);
      font-weight: 600;
      font-size: 0.875rem;
    }

    .btn-link-arrow i {
      transition: transform 0.25s ease;
    }

    .btn-link-arrow:hover {
      color: var(--brand-primary);
    }

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

    /* ===== 卡片系统 ===== */
    .card {
      background: var(--surface-white);
      border: 1px solid var(--border-line);
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
    }

    .card:hover {
      border-color: var(--brand-gold);
      box-shadow: var(--shadow-lg);
      transform: translateY(-4px);
    }

    .card-body {
      padding: 24px;
    }

    /* 特色卡片 */
    .feature-card {
      text-align: left;
      height: 100%;
      border-radius: var(--radius-card);
      overflow: hidden;
      background: var(--surface-white);
      border: 1px solid var(--border-line);
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
    }

    .feature-card:hover {
      border-color: var(--brand-gold);
      box-shadow: var(--shadow-lg);
      transform: translateY(-4px);
    }

    .feature-card .feature-icon {
      width: 48px;
      height: 48px;
      border-radius: 10px;
      background: var(--surface-mist);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--brand-gold-hover);
      font-size: 1.25rem;
      margin-bottom: 16px;
      transition: all 0.3s ease;
    }

    .feature-card:hover .feature-icon {
      background: var(--brand-primary);
      color: var(--brand-gold);
    }

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

    .feature-card .card-title {
      font-family: var(--font-title);
      font-weight: 700;
      font-size: 1.125rem;
      color: var(--brand-primary);
      margin-bottom: 10px;
    }

    .feature-card .card-text {
      color: var(--text-muted);
      font-size: 0.875rem;
      line-height: 1.7;
      margin-bottom: 14px;
    }

    .feature-card .tag-list {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .feature-card .tag-list .tag {
      background: var(--surface-mist);
      color: var(--brand-primary);
      font-size: 0.75rem;
      font-weight: 500;
      padding: 3px 12px;
      border-radius: 20px;
    }

    /* 编号卡片 */
    .numbered-card {
      position: relative;
      background: var(--surface-white);
      border: 1px solid var(--border-line);
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-sm);
      padding: 32px 28px;
      height: 100%;
      transition: all 0.3s ease;
    }

    .numbered-card:hover {
      box-shadow: var(--shadow-lg);
      border-color: var(--brand-gold);
      transform: translateY(-4px);
    }

    .numbered-card .card-number {
      font-family: var(--font-title);
      font-size: 2.5rem;
      font-weight: 700;
      color: var(--brand-gold);
      line-height: 1;
      margin-bottom: 18px;
      display: block;
    }

    .numbered-card .card-title {
      font-size: 1.125rem;
      font-weight: 700;
      color: var(--brand-primary);
      margin-bottom: 10px;
      font-family: var(--font-title);
    }

    .numbered-card .card-text {
      color: var(--text-muted);
      font-size: 0.875rem;
      line-height: 1.7;
    }

    .numbered-card.dark-card {
      background: var(--brand-primary);
      border-color: var(--brand-primary);
    }

    .numbered-card.dark-card .card-number,
    .numbered-card.dark-card .card-title {
      color: var(--brand-gold);
    }

    .numbered-card.dark-card .card-text {
      color: rgba(255, 255, 255, 0.75);
    }

    /* ===== 数据统计区 ===== */
    .stats-section {
      background: var(--brand-primary);
      padding: 72px 0;
      position: relative;
      overflow: hidden;
    }

    .stats-section::after {
      content: "";
      position: absolute;
      top: -60px;
      right: -40px;
      width: 220px;
      height: 220px;
      background: radial-gradient(circle, rgba(201, 169, 106, 0.08) 0%, transparent 70%);
      border-radius: 50%;
    }

    .stats-section .stats-title {
      color: #fff;
      margin-bottom: 8px;
    }

    .stats-section .stats-sub {
      color: rgba(255, 255, 255, 0.6);
      font-size: 0.9375rem;
      margin-bottom: 0;
    }

    .stats-section .stat-number {
      font-family: var(--font-title);
      font-size: 2.5rem;
      font-weight: 700;
      color: var(--brand-gold);
      line-height: 1.2;
      margin-bottom: 4px;
    }

    .stats-section .stat-label {
      color: rgba(255, 255, 255, 0.65);
      font-size: 0.875rem;
    }

    /* ===== 内容卡片（图文） ===== */
    .content-card {
      background: var(--surface-white);
      border: 1px solid var(--border-line);
      border-radius: var(--radius-card);
      overflow: hidden;
      transition: all 0.3s ease;
      height: 100%;
    }

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

    .content-card .cover-wrap {
      position: relative;
      overflow: hidden;
      aspect-ratio: 16 / 9;
      background: var(--surface-mist);
    }

    .content-card .cover-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

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

    .content-card .content-body {
      padding: 20px;
    }

    .content-card .category-badge {
      display: inline-block;
      background: var(--surface-mist);
      color: var(--brand-primary);
      font-size: 0.75rem;
      font-weight: 500;
      padding: 4px 12px;
      border-radius: 20px;
      margin-bottom: 10px;
    }

    .content-card .content-title {
      font-family: var(--font-title);
      font-size: 1.0625rem;
      font-weight: 700;
      color: var(--brand-primary);
      line-height: 1.5;
      margin-bottom: 8px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .content-card .content-excerpt {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 12px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .content-card .content-meta {
      font-size: 0.8125rem;
      color: var(--text-muted);
      display: flex;
      align-items: center;
      gap: 6px;
    }

    /* ===== 流程区块 ===== */
    .process-section {
      background: var(--surface-mist);
    }

    .process-step {
      position: relative;
      text-align: left;
      padding: 28px 24px;
      background: var(--surface-white);
      border-radius: var(--radius-card);
      border: 1px solid var(--border-line);
      box-shadow: var(--shadow-sm);
      height: 100%;
      transition: all 0.3s ease;
    }

    .process-step:hover {
      box-shadow: var(--shadow-lg);
      transform: translateY(-4px);
    }

    .process-step .step-number {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 36px;
      height: 36px;
      background: var(--brand-primary);
      color: var(--brand-gold);
      border-radius: 50%;
      font-size: 0.875rem;
      font-weight: 700;
      margin-bottom: 16px;
      font-family: var(--font-title);
    }

    .process-step .step-title {
      font-family: var(--font-title);
      font-weight: 700;
      font-size: 1.0625rem;
      color: var(--brand-primary);
      margin-bottom: 8px;
    }

    .process-step .step-desc {
      color: var(--text-muted);
      font-size: 0.875rem;
      line-height: 1.7;
      margin-bottom: 0;
    }

    .process-arrow {
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--brand-gold);
      font-size: 1.25rem;
      padding: 0 8px;
    }

    /* ===== FAQ ===== */
    .faq-section {
      background: var(--surface-page);
    }

    .accordion-item {
      background: var(--surface-white);
      border: 1px solid var(--border-line) !important;
      border-radius: var(--radius-card) !important;
      margin-bottom: 16px;
      overflow: hidden;
    }

    .accordion-item:last-child {
      margin-bottom: 0;
    }

    .accordion-item:has(.accordion-button:not(.collapsed)) {
      border-color: var(--brand-gold) !important;
    }

    .accordion-button {
      background: var(--surface-white);
      color: var(--brand-primary);
      font-weight: 600;
      font-size: 1rem;
      padding: 20px 24px;
      border: none;
      box-shadow: none !important;
      font-family: var(--font-body);
    }

    .accordion-button:not(.collapsed) {
      color: var(--brand-primary);
      background: var(--surface-white);
    }

    .accordion-button::after {
      content: "+";
      background: none;
      font-size: 1.5rem;
      font-weight: 400;
      color: var(--brand-gold-hover);
      display: flex;
      align-items: center;
      justify-content: center;
      width: 24px;
      height: 24px;
      transition: transform 0.3s ease;
    }

    .accordion-button:not(.collapsed)::after {
      transform: rotate(45deg);
      background: none;
      color: var(--brand-primary);
    }

    .accordion-body {
      padding: 0 24px 24px;
      color: var(--text-muted);
      font-size: 0.9375rem;
      line-height: 1.8;
      border-top: 1px solid var(--border-line);
      padding-top: 16px;
    }

    /* ===== CTA ===== */
    .cta-section {
      background: linear-gradient(135deg, var(--brand-primary) 0%, #1A2A3F 100%);
      padding: 80px 0;
      position: relative;
      overflow: hidden;
    }

    .cta-section::before {
      content: "";
      position: absolute;
      bottom: -80px;
      left: 50%;
      transform: translateX(-50%);
      width: 400px;
      height: 200px;
      background: radial-gradient(ellipse, rgba(201, 169, 106, 0.15) 0%, transparent 70%);
      border-radius: 50%;
    }

    .cta-section .cta-title {
      color: #fff;
      font-size: clamp(1.75rem, 3vw, 2.25rem);
      margin-bottom: 12px;
    }

    .cta-section .cta-desc {
      color: rgba(255, 255, 255, 0.7);
      font-size: 1rem;
      max-width: 560px;
      margin: 0 auto 32px;
    }

    /* ===== 页脚 ===== */
    .site-footer {
      background: var(--brand-primary);
      padding: 64px 0 0;
      color: rgba(255, 255, 255, 0.75);
    }

    .site-footer .footer-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      color: #fff;
      font-size: 1.25rem;
      font-weight: 700;
    }

    .site-footer h5 {
      color: #fff;
      font-size: 1rem;
      font-weight: 600;
      margin-bottom: 18px;
      font-family: var(--font-body);
    }

    .site-footer .footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
      display: flex;
      flex-wrap: wrap;
      gap: 8px 16px;
    }

    .site-footer .footer-links li a {
      color: rgba(255, 255, 255, 0.6);
      font-size: 0.875rem;
      transition: color 0.2s ease;
    }

    .site-footer .footer-links li a:hover {
      color: var(--brand-gold);
    }

    .site-footer .footer-links li:not(:last-child)::after {
      content: "·";
      margin-left: 4px;
      color: rgba(255, 255, 255, 0.3);
    }

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

    .site-footer .footer-contact li {
      display: flex;
      align-items: center;
      gap: 10px;
      color: rgba(255, 255, 255, 0.6);
      font-size: 0.875rem;
      margin-bottom: 10px;
    }

    .site-footer .footer-contact li svg {
      flex-shrink: 0;
    }

    .site-footer .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding: 24px 0;
      margin-top: 32px;
      text-align: center;
      font-size: 0.8125rem;
      color: #8A9BA8;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      flex-wrap: wrap;
    }

    .site-footer .footer-bottom .sep {
      color: rgba(255, 255, 255, 0.2);
    }

    /* ===== 响应式 ===== */
    @media (max-width: 1024px) {
      .section {
        padding: 80px 0;
      }
    }

    @media (max-width: 991px) {
      .top-search {
        display: none;
      }

      .mobile-search-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
      }

      .channel-list {
        display: none;
      }

      .nav-toggle {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 0.875rem;
      }

      .top-contact {
        display: none;
      }

      .category-hero {
        padding: 72px 0;
      }
    }

    @media (max-width: 767px) {
      .section {
        padding: 64px 0;
      }

      .stats-section .stat-number {
        font-size: 1.8rem;
      }

      .category-hero h1 {
        font-size: 2rem;
      }

      .category-hero .hero-actions {
        flex-direction: column;
        align-items: center;
      }

      .category-hero .hero-actions .btn {
        width: 100%;
        max-width: 280px;
      }

      .process-arrow {
        transform: rotate(90deg);
        padding: 8px 0;
      }

      .site-footer {
        padding-top: 48px;
      }

      .category-hero {
        padding: 56px 0 48px;
      }

      .category-hero .hero-desc {
        font-size: 0.9375rem;
      }
    }

    @media (max-width: 575px) {
      .content-card .content-body {
        padding: 16px;
      }

      .feature-card .card-body {
        padding: 18px;
      }

      .numbered-card {
        padding: 24px 20px;
      }

      .btn {
        padding: 10px 20px;
        font-size: 0.875rem;
      }
    }

/* roulang page: article */
:root {
  --brand-primary: #0F1B2C;
  --brand-gold: #C9A96A;
  --brand-gold-hover: #B89550;
  --surface-page: #F7F5F0;
  --surface-blue: #E8ECF0;
  --surface-white: #FFFFFF;
  --text-primary: #1E2A38;
  --text-secondary: #5A6B7C;
  --text-footer: #A3B2C0;
  --border-color: #D8DEE5;
  --shadow-sm: 0 2px 10px rgba(15,27,44,0.06);
  --shadow-lg: 0 8px 24px rgba(15,27,44,0.10);
  --radius-card: 12px;
  --radius-btn: 6px;
  --radius-input: 8px;
  --font-serif: "Noto Serif SC", "Source Han Serif SC", "STSong", serif;
  --font-sans: "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  color: var(--text-primary);
  background: var(--surface-page);
  line-height: 1.7;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; }
a { color: var(--brand-primary); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--brand-gold); }
.container { max-width: 1200px; padding-left: 20px; padding-right: 20px; }

/* ---------- 顶部品牌行 ---------- */
.top-brand-bar {
  background: var(--brand-primary);
  min-height: 56px;
  display: flex;
  align-items: center;
}
.top-brand-bar .brand-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: 16px;
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none !important;
}
.brand-logo .logo-text {
  font-size: 1.25rem;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: 0.02em;
}
.brand-logo .logo-sub {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.6);
  padding-left: 10px;
  border-left: 1px solid rgba(255,255,255,0.25);
  line-height: 1.2;
  margin-top: 2px;
}
.top-tools {
  display: flex;
  align-items: center;
  gap: 12px;
}
.search-box {
  display: flex;
  align-items: center;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-input);
  overflow: hidden;
}
.search-box input {
  background: transparent;
  border: none;
  outline: none;
  padding: 7px 14px;
  width: 220px;
  color: #FFFFFF;
  font-size: 0.875rem;
}
.search-box input::placeholder { color: rgba(255,255,255,0.55); }
.search-box button {
  background: transparent;
  border: none;
  padding: 7px 12px;
  color: rgba(255,255,255,0.7);
  cursor: pointer;
  display: flex;
  align-items: center;
  transition: color .2s;
}
.search-box button:hover { color: var(--brand-gold); }
.contact-link {
  color: rgba(255,255,255,0.75);
  font-size: 0.875rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  padding: 6px 10px;
  border-radius: 6px;
  transition: all .2s;
}
.contact-link:hover { color: var(--brand-gold); background: rgba(255,255,255,0.06); }
.navbar-toggler {
  border: 1px solid rgba(255,255,255,0.35) !important;
  background: transparent !important;
  padding: 4px 10px !important;
  border-radius: 6px !important;
  box-shadow: none !important;
}
.navbar-toggler:focus { box-shadow: 0 0 0 3px rgba(201,169,106,0.3) !important; }
.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%28255,255,255,0.85%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

/* ---------- 频道导航 ---------- */
.channel-nav {
  background: var(--surface-page);
  border-bottom: 1px solid var(--border-color);
  min-height: 48px;
  z-index: 100;
}
.channel-nav .container { display: flex; align-items: center; min-height: 48px; }
.channel-list {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.channel-list a {
  display: inline-block;
  padding: 13px 0 11px;
  color: var(--text-secondary);
  font-size: 0.9375rem;
  font-weight: 500;
  border-bottom: 2px solid transparent;
  text-decoration: none;
  transition: color .2s, border-color .2s;
}
.channel-list a:hover { color: var(--brand-primary); border-bottom-color: var(--brand-gold); }
.channel-list a.active { color: var(--brand-primary); border-bottom-color: var(--brand-gold); font-weight: 600; }
@media (max-width: 991px) {
  .channel-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 12px 0;
  }
  .channel-list a {
    padding: 10px 0;
    width: 100%;
    font-size: 1rem;
    border-bottom: 1px solid var(--border-color);
  }
  .channel-list a:last-child { border-bottom: none; }
}

/* ---------- 面包屑 ---------- */
.breadcrumb-area {
  background: var(--surface-blue);
  padding: 14px 0;
}
.breadcrumb-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--text-secondary);
}
.breadcrumb-nav a { color: var(--text-secondary); text-decoration: none; }
.breadcrumb-nav a:hover { color: var(--brand-primary); }
.breadcrumb-nav .sep { color: #B0BAC4; }
.breadcrumb-nav .current { color: var(--text-primary); font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 300px; }

/* ---------- 文章标题区 ---------- */
.article-header {
  background: var(--surface-page);
  padding: 56px 0 24px;
}
.article-header-inner {
  max-width: 720px;
  margin: 0 auto;
  text-align: left;
}
.article-badge {
  display: inline-block;
  background: var(--surface-blue);
  color: var(--brand-primary);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}
.article-header h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 700;
  color: var(--brand-primary);
  line-height: 1.3;
  margin-bottom: 20px;
  letter-spacing: 0.01em;
}
.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 0.875rem;
  color: var(--text-secondary);
}
.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.meta-item i { color: var(--brand-gold); font-size: 0.875rem; }

/* ---------- 封面图 ---------- */
.article-cover-section {
  background: var(--surface-page);
  padding-bottom: 40px;
}
.article-cover-image {
  max-width: 960px;
  margin: 0 auto;
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.article-cover-image img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
}

/* ---------- 正文区 ---------- */
.article-main {
  background: var(--surface-page);
  padding: 24px 0 48px;
}
.article-content {
  max-width: 720px;
  margin: 0 auto;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--text-primary);
  word-break: break-word;
}
.article-content p {
  margin-bottom: 1.5em;
  line-height: 1.85;
}
.article-content h2 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--brand-primary);
  margin-top: 2em;
  margin-bottom: 1em;
  line-height: 1.35;
}
.article-content h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--brand-primary);
  margin-top: 1.6em;
  margin-bottom: 0.8em;
  line-height: 1.4;
}
.article-content blockquote {
  border-left: 4px solid var(--brand-gold);
  background: var(--surface-blue);
  padding: 16px 20px;
  border-radius: 8px;
  margin: 1.5em 0;
  font-style: normal;
  color: var(--text-secondary);
}
.article-content blockquote p { margin-bottom: 0.4em; }
.article-content blockquote p:last-child { margin-bottom: 0; }
.article-content img {
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-sm);
  margin: 1.5em 0;
}
.article-content a { color: var(--brand-gold); text-decoration: underline; text-underline-offset: 3px; }
.article-content a:hover { color: var(--brand-gold-hover); }
.article-content ul, .article-content ol { margin-bottom: 1.5em; padding-left: 1.5em; }
.article-content li { margin-bottom: 0.5em; line-height: 1.8; }
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5em 0;
  font-size: 0.9375rem;
}
.article-content table th,
.article-content table td {
  border: 1px solid var(--border-color);
  padding: 12px 16px;
  text-align: left;
}
.article-content table th {
  background: var(--surface-blue);
  font-weight: 600;
  color: var(--brand-primary);
}
.article-content code {
  background: var(--surface-blue);
  color: var(--brand-primary);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.875rem;
  font-family: "SFMono-Regular", Consolas, monospace;
}
.article-content pre {
  background: var(--brand-primary);
  color: #DDE5EC;
  padding: 20px 24px;
  border-radius: var(--radius-card);
  overflow-x: auto;
  margin: 1.5em 0;
  line-height: 1.7;
}
.article-content pre code { background: transparent; color: inherit; padding: 0; }

.article-empty {
  text-align: center;
  padding: 80px 20px;
  background: var(--surface-white);
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-card);
}
.article-empty svg { margin-bottom: 16px; }
.article-empty h3 {
  font-family: var(--font-serif);
  font-size: 1.375rem;
  color: var(--brand-primary);
  margin-bottom: 12px;
}
.article-empty p { color: var(--text-secondary); font-size: 0.9375rem; margin-bottom: 24px; }

/* ---------- 标签区 ---------- */
.article-tags-section {
  background: var(--surface-page);
  padding: 8px 0 48px;
}
.article-tags {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
}
.tag-label {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin-right: 4px;
}
.tag-chip {
  display: inline-block;
  background: var(--surface-blue);
  color: var(--brand-primary);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 6px 16px;
  border-radius: 20px;
  text-decoration: none;
  transition: all .2s ease;
}
.tag-chip:hover {
  background: var(--brand-primary);
  color: #FFFFFF;
}

/* ---------- 延伸阅读 ---------- */
.related-section {
  background: var(--surface-blue);
  padding: 80px 0;
}
.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 36px;
  flex-wrap: wrap;
  gap: 12px;
}
.section-head h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  color: var(--brand-primary);
  margin: 0;
}
.link-more {
  font-size: 0.9375rem;
  color: var(--brand-gold);
  font-weight: 600;
  text-decoration: none;
  transition: all .2s;
}
.link-more:hover { color: var(--brand-gold-hover); transform: translateX(4px); }
.related-card {
  background: var(--surface-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  overflow: hidden;
  padding: 0;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  height: 100%;
}
.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--brand-gold);
}
.related-card-img { display: block; overflow: hidden; }
.related-card-img img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
}
.related-card-body { padding: 18px 20px 20px; }
.related-card-body h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.5;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 3em;
}
.related-card-body h3 a { color: inherit; text-decoration: none; }
.related-card-body h3 a:hover { color: var(--brand-gold); }
.related-date {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.related-date i { color: var(--brand-gold); font-size: 0.75rem; }
.related-more {
  text-align: center;
  margin-top: 48px;
}
.related-more a {
  color: var(--brand-gold);
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: all .2s;
}
.related-more a:hover { border-bottom-color: var(--brand-gold); }

/* ---------- CTA 区 ---------- */
.article-cta {
  background: linear-gradient(90deg, rgba(15,27,44,0.92), rgba(15,27,44,0.82)), url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
  padding: 100px 0;
}
.cta-inner {
  max-width: 620px;
  margin: 0 auto;
  text-align: center;
  color: #FFFFFF;
}
.cta-inner h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2.125rem);
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 16px;
}
.cta-inner p {
  font-size: 1rem;
  color: rgba(255,255,255,0.75);
  margin-bottom: 32px;
}

/* ---------- 按钮 ---------- */
.btn-primary {
  background: var(--brand-gold);
  border-color: var(--brand-gold);
  color: var(--brand-primary);
  font-weight: 600;
  border-radius: var(--radius-btn);
  padding: 12px 28px;
  font-size: 0.9375rem;
  transition: all .25s ease;
}
.btn-primary:hover {
  background: var(--brand-gold-hover);
  border-color: var(--brand-gold-hover);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(201,169,106,0.35);
}
.btn-primary:focus {
  background: var(--brand-gold-hover);
  border-color: var(--brand-gold-hover);
  color: #FFFFFF;
  box-shadow: 0 0 0 3px rgba(201,169,106,0.3);
}
.btn-outline-primary {
  background: transparent;
  border: 1.5px solid var(--brand-primary);
  color: var(--brand-primary);
  font-weight: 600;
  border-radius: var(--radius-btn);
  padding: 12px 28px;
  font-size: 0.9375rem;
  transition: all .25s ease;
}
.btn-outline-primary:hover {
  background: var(--brand-primary);
  border-color: var(--brand-primary);
  color: #FFFFFF;
}
.btn-outline-primary:focus {
  box-shadow: 0 0 0 3px rgba(15,27,44,0.2);
}
.btn-outline-light {
  background: transparent;
  border: 1.5px solid rgba(255,255,255,0.8);
  color: #FFFFFF;
  font-weight: 600;
  border-radius: var(--radius-btn);
  padding: 12px 28px;
  font-size: 0.9375rem;
  transition: all .25s ease;
}
.btn-outline-light:hover {
  background: rgba(255,255,255,0.12);
  border-color: #FFFFFF;
  color: #FFFFFF;
}
.btn:focus, .form-control:focus {
  outline: none;
}

/* ---------- 页脚 ---------- */
.site-footer {
  background: var(--brand-primary);
  color: #FFFFFF;
  padding: 72px 0 0;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.375rem;
  font-weight: 700;
  color: #FFFFFF;
}
.footer-brand span { letter-spacing: 0.02em; }
.site-footer h5 {
  font-size: 0.9375rem;
  font-weight: 600;
  color: rgba(255,255,255,0.9);
  margin-bottom: 20px;
  letter-spacing: 0.04em;
}
.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-links a {
  color: var(--text-footer);
  font-size: 0.875rem;
  text-decoration: none;
  transition: color .2s;
}
.footer-links a:hover { color: var(--brand-gold); }
.footer-contact {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-footer);
  font-size: 0.875rem;
}
.footer-contact svg { color: var(--brand-gold); flex-shrink: 0; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding: 22px 0 28px;
  margin-top: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  color: #8A9BA8;
  font-size: 0.8125rem;
}
.footer-bottom .sep { color: rgba(255,255,255,0.25); }

/* ---------- Modal ---------- */
.modal-content {
  background: var(--surface-page);
  border-radius: var(--radius-card);
  border: none;
  box-shadow: var(--shadow-lg);
}
.modal-header {
  border-bottom: 1px solid var(--border-color);
  padding: 20px 28px;
}
.modal-title {
  font-family: var(--font-serif);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--brand-primary);
}
.modal-header .btn-close { filter: none; }
.modal-body { padding: 28px; }
.modal-body .form-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--brand-primary);
}
.modal-body .form-control {
  background: #FFFFFF;
  border: 1px solid #C0CCD6;
  border-radius: var(--radius-input);
  padding: 12px 14px;
  font-size: 0.9375rem;
  color: var(--text-primary);
}
.modal-body .form-control:focus {
  border-color: var(--brand-gold);
  box-shadow: 0 0 0 3px rgba(201,169,106,0.15);
  outline: none;
}
.modal-body .form-control::placeholder { color: #9AABBA; }
.modal-footer {
  border-top: 1px solid var(--border-color);
  padding: 16px 28px 24px;
}
.privacy-note {
  font-size: 0.75rem;
  color: #9AABBA;
  text-align: center;
  margin-top: 12px;
}

/* ---------- 响应式 ---------- */
@media (max-width: 991px) {
  .search-box { display: none; }
  .contact-link { display: none; }
  .article-header { padding: 40px 0 20px; }
  .article-main { padding: 16px 0 40px; }
  .related-section { padding: 64px 0; }
}
@media (max-width: 767px) {
  .top-brand-bar .brand-row { gap: 8px; }
  .brand-logo .logo-sub { display: none; }
  .channel-nav .container { min-height: auto; }
  .article-header { padding: 32px 0 16px; }
  .article-header h1 { font-size: 1.625rem; margin-bottom: 14px; }
  .article-meta { gap: 12px; font-size: 0.8125rem; }
  .article-cover-section { padding-bottom: 24px; }
  .article-content { font-size: 1rem; line-height: 1.85; }
  .article-content .container, .article-content { padding-left: 16px; padding-right: 16px; }
  .related-section { padding: 56px 0; }
  .section-head { margin-bottom: 24px; }
  .article-cta { padding: 72px 0; }
  .site-footer { padding: 56px 0 0; }
}
@media (max-width: 575px) {
  .article-content { font-size: 0.9375rem; line-height: 1.85; padding-left: 2px; padding-right: 2px; }
  .breadcrumb-nav .current { max-width: 160px; }
  .cta-inner h2 { font-size: 1.375rem; }
  .modal-body { padding: 20px; }
}

/* 通用 section */
.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  color: var(--brand-primary);
  margin: 0 0 12px;
}
.section-subtitle {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  margin-bottom: 32px;
}

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --brand-primary: #0F1B2C;
            --brand-gold: #C9A96A;
            --brand-gold-hover: #B89550;
            --surface-page: #F7F5F0;
            --surface-secondary: #E8ECF0;
            --surface-card: #FFFFFF;
            --text-title: #0F1B2C;
            --text-primary: #1E2A38;
            --text-secondary: #5A6B7C;
            --border-color: #D8DEE5;
            --radius-card: 12px;
            --radius-btn: 6px;
            --shadow-normal: 0 2px 10px rgba(15, 27, 44, 0.06);
            --shadow-hover: 0 8px 24px rgba(15, 27, 44, 0.10);
            --font-serif: "Noto Serif SC", "Source Han Serif SC", "STSong", "SimSun", serif;
            --font-sans: "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", "PingFang SC", sans-serif;
        }

        /* ===== Reset / Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.8;
            background: var(--surface-page);
            color: var(--text-primary);
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color .25s;
        }

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

        button {
            font-family: inherit;
        }

        /* ===== 通用容器 ===== */
        .container {
            max-width: 1200px;
        }

        /* ===== 品牌行 ===== */
        .top-bar {
            background: var(--brand-primary);
            min-height: 56px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 1px;
        }

        .brand-logo .brand-sub {
            font-size: 0.8125rem;
            font-weight: 400;
            color: rgba(255, 255, 255, 0.55);
            border-left: 1px solid rgba(255, 255, 255, 0.25);
            padding-left: 10px;
            margin-left: 2px;
            letter-spacing: 2px;
        }

        .top-tools {
            gap: 18px;
        }

        .search-box {
            position: relative;
            display: flex;
            align-items: center;
        }

        .search-box input {
            width: 220px;
            height: 34px;
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            padding: 0 36px 0 14px;
            font-size: 0.8125rem;
            outline: none;
            transition: border-color .25s, box-shadow .25s;
        }

        .search-box input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }

        .search-box input:focus {
            border-color: var(--brand-gold);
            box-shadow: 0 0 0 3px rgba(201, 169, 106, 0.15);
        }

        .search-box .btn-search {
            position: absolute;
            right: 4px;
            width: 28px;
            height: 28px;
            border: none;
            background: transparent;
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.65);
            cursor: pointer;
            border-radius: 6px;
            transition: background .25s;
        }

        .search-box .btn-search:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--brand-gold);
        }

        .contact-link {
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.875rem;
            padding: 6px 14px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-btn);
            transition: all .25s;
        }

        .contact-link:hover {
            border-color: var(--brand-gold);
            color: var(--brand-gold);
        }

        /* ===== 频道导航 ===== */
        .channel-nav {
            background: var(--surface-page);
            border-bottom: 1px solid var(--border-color);
            min-height: 48px;
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .channel-list {
            display: flex;
            align-items: center;
            margin: 0;
            padding: 0;
            list-style: none;
            gap: 32px;
            height: 48px;
        }

        .channel-list a {
            display: inline-block;
            font-size: 0.9375rem;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 10px 2px 8px;
            border-bottom: 2px solid transparent;
            transition: color .25s, border-color .25s;
            line-height: 1.2;
            position: relative;
            top: 1px;
        }

        .channel-list a:hover,
        .channel-list a.active {
            color: var(--text-title);
            border-bottom-color: var(--brand-gold);
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-wrap {
            background: var(--surface-secondary);
            padding: 14px 0;
            font-size: 0.875rem;
            color: var(--text-secondary);
        }

        .breadcrumb-wrap .breadcrumb {
            margin-bottom: 0;
            padding: 0;
        }

        .breadcrumb-wrap .breadcrumb-item+ .breadcrumb-item::before {
            content: ">";
            color: #9AAAB7;
        }

        .breadcrumb-wrap .breadcrumb-item a {
            color: var(--text-secondary);
        }

        .breadcrumb-wrap .breadcrumb-item a:hover {
            color: var(--brand-gold);
        }

        .breadcrumb-wrap .breadcrumb-item.active {
            color: var(--text-title);
            font-weight: 600;
        }

        /* ===== H1区 ===== */
        .page-title-wrap {
            background: var(--surface-page);
            padding: 40px 0 32px;
            border-bottom: 1px solid var(--border-color);
        }

        .page-title-wrap h1 {
            font-family: var(--font-serif);
            font-size: clamp(1.75rem, 3vw, 2.25rem);
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 8px;
            letter-spacing: 2px;
        }

        .page-title-wrap .title-desc {
            font-size: 0.9375rem;
            color: var(--text-secondary);
            max-width: 560px;
        }

        /* ===== Hero 服务概览 ===== */
        .service-hero {
            position: relative;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 110px 0;
        }

        .service-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 27, 44, 0.88), rgba(15, 27, 44, 0.68));
        }

        .service-hero .container {
            position: relative;
            z-index: 2;
        }

        .service-hero .hero-tag {
            display: inline-block;
            background: rgba(201, 169, 106, 0.15);
            border: 1px solid rgba(201, 169, 106, 0.4);
            color: var(--brand-gold);
            font-size: 0.8125rem;
            font-weight: 500;
            padding: 4px 16px;
            border-radius: 20px;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }

        .service-hero h2 {
            font-family: var(--font-serif);
            font-size: clamp(1.75rem, 3.2vw, 2.6rem);
            color: #fff;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

        .service-hero .hero-desc {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.0625rem;
            line-height: 1.8;
            max-width: 560px;
            margin-bottom: 28px;
        }

        /* ===== 通用区块 ===== */
        .section {
            padding: 96px 0;
        }

        .section-sm {
            padding: 64px 0;
        }

        .section-header {
            margin-bottom: 48px;
        }

        .section-header .section-kicker {
            font-size: 0.8125rem;
            font-weight: 600;
            letter-spacing: 3px;
            color: var(--brand-gold);
            text-transform: uppercase;
            margin-bottom: 8px;
            display: block;
        }

        .section-header h2 {
            font-family: var(--font-serif);
            font-size: clamp(1.5rem, 2.5vw, 2rem);
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 12px;
            letter-spacing: 1px;
        }

        .section-header .section-desc {
            color: var(--text-secondary);
            font-size: 0.9375rem;
            max-width: 640px;
            line-height: 1.7;
        }

        .section-secondary {
            background: var(--surface-secondary);
        }

        .section-white {
            background: var(--surface-page);
        }

        /* ===== 按钮 ===== */
        .btn {
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.9375rem;
            padding: 12px 28px;
            transition: all .25s;
            border: none;
        }

        .btn:focus,
        .btn-ghost:focus {
            outline: 2px solid var(--brand-gold);
            outline-offset: 2px;
            box-shadow: none;
        }

        .btn-primary {
            background: var(--brand-gold);
            color: var(--brand-primary);
            box-shadow: 0 4px 14px rgba(201, 169, 106, 0.35);
        }

        .btn-primary:hover {
            background: var(--brand-gold-hover);
            color: var(--brand-primary);
            box-shadow: 0 6px 20px rgba(201, 169, 106, 0.45);
            transform: translateY(-1px);
        }

        .btn-outline-light {
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, 0.7);
            color: #fff;
        }

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

        .btn-dark-outline {
            background: transparent;
            border: 1.5px solid var(--brand-primary);
            color: var(--brand-primary);
        }

        .btn-dark-outline:hover {
            background: var(--brand-primary);
            color: #fff;
        }

        .btn-lg {
            padding: 14px 34px;
            font-size: 1rem;
        }

        /* ===== 卡片 ===== */
        .card {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            background: var(--surface-card);
            box-shadow: var(--shadow-normal);
            transition: box-shadow .3s, transform .3s, border-color .3s;
        }

        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--brand-gold);
        }

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

        /* ===== 核心卖点卡片 ===== */
        .feature-card {
            background: var(--surface-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            height: 100%;
            box-shadow: var(--shadow-normal);
            transition: all .3s;
            position: relative;
        }

        .feature-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--brand-gold);
            transform: translateY(-4px);
        }

        .feature-card .icon-box {
            width: 52px;
            height: 52px;
            border-radius: 12px;
            background: var(--surface-secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
            color: var(--brand-gold);
            transition: background .3s, color .3s;
        }

        .feature-card:hover .icon-box {
            background: var(--brand-primary);
            color: var(--brand-gold);
        }

        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text-title);
            margin-bottom: 10px;
        }

        .feature-card p {
            font-size: 0.875rem;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 0;
        }

        /* ===== 场景卡片 ===== */
        .scenario-card {
            background: var(--surface-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            height: 100%;
            box-shadow: var(--shadow-normal);
            transition: all .3s;
        }

        .scenario-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--brand-gold);
            transform: translateY(-4px);
        }

        .scenario-card .scenario-num {
            font-family: var(--font-serif);
            font-size: 2.25rem;
            font-weight: 700;
            color: var(--brand-gold);
            line-height: 1;
            margin-bottom: 16px;
            display: block;
        }

        .scenario-card h3 {
            font-size: 1.125rem;
            font-weight: 600;
            color: var(--text-title);
            margin-bottom: 10px;
        }

        .scenario-card p {
            font-size: 0.875rem;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 0;
        }

        /* ===== 流程区 ===== */
        .workflow-wrapper {
            position: relative;
        }

        .workflow-step {
            text-align: center;
            padding: 0 12px;
            position: relative;
        }

        .workflow-step .step-num {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--brand-primary);
            color: var(--brand-gold);
            font-family: var(--font-serif);
            font-size: 1.25rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            box-shadow: 0 0 0 6px rgba(201, 169, 106, 0.12);
        }

        .workflow-step h4 {
            font-size: 1.0625rem;
            font-weight: 600;
            color: var(--text-title);
            margin-bottom: 8px;
        }

        .workflow-step p {
            font-size: 0.875rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .workflow-arrow {
            position: absolute;
            top: 28px;
            right: -20px;
            color: var(--brand-gold);
            font-size: 1rem;
            z-index: 2;
        }

        /* ===== 图文交替 ===== */
        .showcase-row {
            margin-bottom: 72px;
        }

        .showcase-row:last-child {
            margin-bottom: 0;
        }

        .showcase-row .showcase-media {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-normal);
            position: relative;
        }

        .showcase-row .showcase-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 260px;
            display: block;
        }

        .showcase-row .showcase-media::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 50%, rgba(15, 27, 44, 0.28));
            border-radius: var(--radius-card);
            pointer-events: none;
        }

        .showcase-content {
            padding: 20px 0;
        }

        .showcase-content .showcase-tag {
            display: inline-block;
            background: var(--surface-secondary);
            color: var(--text-secondary);
            font-size: 0.8125rem;
            font-weight: 500;
            padding: 4px 14px;
            border-radius: 20px;
            margin-bottom: 16px;
        }

        .showcase-content h3 {
            font-family: var(--font-serif);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 14px;
            line-height: 1.4;
        }

        .showcase-content p {
            font-size: 0.9375rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .showcase-content .chips {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 18px;
        }

        .showcase-content .chip {
            background: rgba(201, 169, 106, 0.12);
            color: var(--brand-primary);
            font-size: 0.8125rem;
            padding: 3px 12px;
            border-radius: 20px;
            border: 1px solid rgba(201, 169, 106, 0.3);
        }

        /* ===== 数据统计 ===== */
        .stats-section {
            background: var(--brand-primary);
            padding: 64px 0;
        }

        .stats-section h2 {
            color: #fff;
            font-family: var(--font-serif);
        }

        .stats-section .stat-num {
            font-family: var(--font-serif);
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--brand-gold);
            line-height: 1.2;
        }

        .stats-section .stat-label {
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 4px;
        }

        .stats-section .section-desc-light {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9375rem;
            max-width: 260px;
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }

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

        .accordion-button {
            font-size: 0.9375rem;
            font-weight: 600;
            color: var(--text-title);
            padding: 16px 24px;
            background: var(--surface-card);
            border: none;
            box-shadow: none;
            font-family: var(--font-sans);
        }

        .accordion-button:not(.collapsed) {
            background: var(--surface-card);
            color: var(--brand-primary);
            box-shadow: none;
        }

        .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(201, 169, 106, 0.15);
            border-color: var(--brand-gold);
        }

        .accordion-button::after {
            background-image: none;
            content: "+";
            font-size: 1.5rem;
            font-weight: 300;
            color: var(--brand-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            transition: transform .3s;
            font-family: var(--font-sans);
            line-height: 1;
        }

        .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
            background-image: none;
        }

        .accordion-body {
            padding: 0 24px 18px;
            font-size: 0.875rem;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        /* ===== CTA区 ===== */
        .cta-section {
            background: var(--brand-primary);
            padding: 72px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -40px;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(201, 169, 106, 0.12) 0%, transparent 70%);
            border-radius: 50%;
        }

        .cta-section h2 {
            font-family: var(--font-serif);
            color: #fff;
            font-size: clamp(1.5rem, 2.5vw, 2rem);
            margin-bottom: 12px;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9375rem;
            margin-bottom: 28px;
            max-width: 520px;
        }

        /* ===== 徽章 ===== */
        .badge-category {
            background: var(--surface-secondary);
            color: var(--text-title);
            font-size: 0.75rem;
            font-weight: 500;
            padding: 4px 12px;
            border-radius: 20px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--brand-primary);
            color: rgba(255, 255, 255, 0.7);
            padding-top: 64px;
        }

        .site-footer h5 {
            color: #fff;
            font-size: 0.9375rem;
            font-weight: 600;
            margin-bottom: 18px;
            letter-spacing: 1px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.375rem;
            font-weight: 700;
            color: #fff;
        }

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

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

        .footer-links a {
            color: var(--text-secondary);
            font-size: 0.875rem;
            transition: color .25s;
        }

        .footer-links a:hover {
            color: var(--brand-gold);
        }

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

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 10px;
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.55);
        }

        .footer-contact svg {
            flex-shrink: 0;
            color: var(--brand-gold);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            margin-top: 32px;
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 0.8125rem;
            color: #8A9BA8;
        }

        .footer-bottom .sep {
            color: rgba(255, 255, 255, 0.2);
        }

        /* ===== 空态 ===== */
        .empty-state {
            border: 2px dashed var(--border-color);
            border-radius: var(--radius-card);
            padding: 56px 20px;
            text-align: center;
            background: rgba(255, 255, 255, 0.5);
        }

        .empty-state svg {
            color: var(--brand-gold);
            margin-bottom: 12px;
        }

        .empty-state p {
            font-size: 0.9375rem;
            color: var(--text-secondary);
            margin-bottom: 0;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 991.98px) {
            .section {
                padding: 72px 0;
            }

            .search-box input {
                width: 160px;
            }

            .workflow-arrow {
                display: none;
            }

            .workflow-step {
                margin-bottom: 24px;
            }

            .showcase-row {
                margin-bottom: 48px;
            }

            .showcase-row+.showcase-row .showcase-media {
                order: -1;
            }
        }

        @media (max-width: 767.98px) {
            .section {
                padding: 56px 0;
            }

            .top-bar {
                padding: 10px 0;
            }

            .brand-logo {
                font-size: 1.0625rem;
            }

            .brand-logo .brand-sub {
                display: none;
            }

            @media (max-width: 575.98px) {
                .search-box {
                    display: none;
                }
            }

            .channel-nav {
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
            }

            .channel-list {
                gap: 20px;
                flex-wrap: nowrap;
                min-width: max-content;
                padding: 0 16px;
            }

            .service-hero {
                padding: 72px 0;
            }

            .stats-section .stat-num {
                font-size: 1.8rem;
            }

            .footer-bottom {
                flex-direction: column;
                gap: 6px;
                text-align: center;
            }

            .footer-bottom .sep {
                display: none;
            }
        }