/* roulang page: index */
:root{
  --bg:#F4FAFD;
  --surface:#FFFFFF;
  --surface-soft:#EAF3F8;
  --primary:#0F7399;
  --primary-strong:#0B5C7F;
  --primary-soft:#DAEDF4;
  --accent:#DFA73A;
  --accent-soft:#F6E7C4;
  --text:#203A4A;
  --heading:#102A3A;
  --muted:#6A8495;
  --border:#DCECF3;
  --shadow-sm:0 6px 16px rgba(15,115,153,0.06);
  --shadow-md:0 14px 30px rgba(15,115,153,0.10);
  --shadow-panel:0 4px 0 0 #D2E6EE;
  --radius-card:14px;
  --radius-xl:20px;
  --radius-btn:8px;
  --font-serif:PingFang SC, "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-serif);
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit;transition:color .2s ease}
ul,ol{list-style:none}
.container{max-width:1180px;margin:0 auto;padding:0 20px}
h1,h2,h3,h4,h5,h6{color:var(--heading);line-height:1.35;font-weight:700}
section{padding:84px 0}
.section-label{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--primary-soft);color:var(--primary);
  font-size:13px;font-weight:600;padding:5px 14px;
  border-radius:40px;letter-spacing:1px;margin-bottom:16px;
}
.section-title{font-size:30px;line-height:1.4;color:var(--heading);margin-bottom:8px}
.section-sub{font-size:16px;line-height:1.6;color:var(--muted);max-width:680px;margin-bottom:40px}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:36px;flex-wrap:wrap;gap:16px}
.section-head .section-sub{margin-bottom:0}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--radius-btn);font-weight:600;font-size:15px;
  padding:11px 28px;border:1px solid transparent;line-height:1.5;
  transition:all .25s ease;cursor:pointer;gap:8px;
}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-strong);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-primary:focus{outline:2px solid rgba(15,115,153,0.4);outline-offset:2px}
.btn-outline{
  background:var(--surface);border-color:var(--border);color:var(--primary);
}
.btn-outline:hover{background:var(--primary-soft);border-color:var(--primary-soft);color:var(--primary-strong);transform:translateY(-1px)}
.btn-accent{background:var(--accent);color:#102A3A;border-color:transparent}
.btn-accent:hover{background:#d69a2b;transform:translateY(-1px);box-shadow:var(--shadow-md);color:#102A3A}
.btn-lg{padding:14px 38px;font-size:16px}
a:focus-visible,button:focus-visible{outline:2px solid rgba(15,115,153,0.5);outline-offset:2px}

/* ===== 徽标 / 标签 ===== */
.badge-tag{
  display:inline-flex;align-items:center;gap:4px;
  background:var(--primary-soft);color:var(--primary);
  font-size:12px;font-weight:600;border-radius:4px;padding:3px 10px;
}
.badge-accent{background:var(--accent);color:#102A3A}
.badge-dot{width:6px;height:6px;background:var(--accent);border-radius:50%;display:inline-block}

/* ===== 双层导航 ===== */
.site-header{
  background:rgba(255,255,255,0.95);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--border);
  position:sticky;top:0;z-index:1030;
}
.header-top{display:flex;align-items:center;justify-content:space-between;height:64px;gap:20px}
.brand-logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:38px;height:38px;border-radius:10px;
  background:var(--primary);color:#fff;font-size:21px;
  font-family:Arial,sans-serif;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 3px 0 0 #0B5C7F;
  position:relative;
}
.logo-mark::after{
  content:'';position:absolute;width:6px;height:6px;background:var(--accent);
  border-radius:50%;top:-2px;right:-2px;
}
.logo-text{font-size:22px;font-weight:700;color:var(--heading);font-family:Arial,system-ui,sans-serif;letter-spacing:.5px}
.logo-cn{
  font-size:11px;color:var(--muted);background:var(--surface-soft);
  padding:3px 8px;border-radius:4px;font-weight:400;margin-left:2px;
}
.header-right{display:flex;align-items:center;gap:14px;flex-shrink:0}
.header-search{position:relative;display:flex;align-items:center}
.header-search input{
  border:1px solid var(--border);border-radius:8px 0 0 8px;
  background:var(--bg);padding:8px 14px;font-size:14px;width:210px;
  outline:none;transition:border-color .2s;
}
.header-search input:focus{border-color:var(--primary);background:#fff}
.header-search button{
  background:var(--primary);color:#fff;border:none;border-radius:0 8px 8px 0;
  padding:0 13px;font-size:14px;height:40px;cursor:pointer;
  transition:background .2s;
}
.header-search button:hover{background:var(--primary-strong)}
.header-cta{white-space:nowrap}
.mobile-search{display:none}
.main-nav{
  background:var(--surface);
  border-top:1px solid var(--border);
}
.main-nav .container{
  display:flex;align-items:center;gap:4px;
  overflow-x:auto;white-space:nowrap;scrollbar-width:none;
  padding-top:0;padding-bottom:0;
}
.main-nav .container::-webkit-scrollbar{display:none}
.main-nav .nav-item{
  display:inline-flex;align-items:center;gap:7px;
  padding:12px 16px;font-size:15px;font-weight:600;
  color:var(--text);border-radius:8px 8px 0 0;
  position:relative;transition:background .2s,color .2s;
  border-bottom:2px solid transparent;
}
.main-nav .nav-item:hover{background:var(--primary-soft);color:var(--primary-strong)}
.main-nav .nav-item.active{background:var(--primary-soft);color:var(--primary)}
.main-nav .nav-item.active::before{
  content:'';width:6px;height:6px;background:var(--accent);
  border-radius:1px;display:inline-block;flex-shrink:0;
}
.main-nav .nav-item.home-link i{font-size:14px;opacity:.8}

/* ===== Hero ===== */
.hero{
  background:linear-gradient(180deg,#EAF3F8 0%,#F4FAFD 80%);
  min-height:520px;display:flex;align-items:center;
  padding:80px 0 90px;position:relative;overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;z-index:0;
  background:url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
  opacity:.18;
}
.hero .container{position:relative;z-index:2}
.hero-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,0.8);border:1px solid var(--border);
  border-radius:40px;padding:5px 14px;font-size:13px;color:var(--primary);
  margin-bottom:22px;backdrop-filter:blur(4px);
}
.hero-tag .tag-dot{width:8px;height:8px;background:var(--accent);border-radius:2px;display:inline-block}
.hero h1{font-size:42px;line-height:1.28;color:var(--heading);margin-bottom:18px}
.hero h1 .accent-char{color:var(--accent)}
.hero-sub{font-size:17px;line-height:1.75;color:var(--muted);max-width:560px;margin-bottom:28px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:32px}
.hero-facts{
  display:grid;grid-template-columns:repeat(3,1fr);gap:14px;
  margin-top:10px;
}
.hero-stat{
  background:rgba(255,255,255,0.8);border:1px solid var(--border);
  border-radius:12px;padding:14px 18px;backdrop-filter:blur(4px);
  text-align:center;
}
.hero-stat .num{
  display:block;font-family:Arial,system-ui,sans-serif;
  font-size:26px;font-weight:700;color:var(--primary);line-height:1.2;
}
.hero-stat .txt{display:block;font-size:13px;color:var(--muted);margin-top:2px}
.hero-visual{
  background:var(--surface);border-radius:var(--radius-xl);
  box-shadow:var(--shadow-md);padding:10px;position:relative;
}
.hero-visual img{border-radius:calc(var(--radius-xl) - 8px);width:100%;object-fit:cover;aspect-ratio:4/3}
.hero-visual::after{
  content:'9';position:absolute;top:-18px;right:-10px;
  font-size:72px;font-family:Arial,sans-serif;font-weight:700;
  color:rgba(223,167,58,0.4);z-index:-1;
}

/* ===== 优惠阶梯区 ===== */
.tier-section{background:var(--surface)}
.tier-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.tier-item{
  background:var(--bg);border:1px solid var(--border);border-radius:16px;
  padding:30px 26px;position:relative;transition:all .3s ease;
  box-shadow:var(--shadow-sm);
}
.tier-item:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}
.tier-item.featured{
  margin-top:-10px;padding-bottom:34px;
  border:2px solid var(--accent);
  box-shadow:0 8px 24px rgba(223,167,58,0.15);
  position:relative;z-index:2;
}
.tier-flag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:700;letter-spacing:1px;
  padding:5px 14px;border-radius:30px;margin-bottom:14px;
}
.tier-flag.standard{background:var(--primary-soft);color:var(--primary)}
.tier-flag.feature{background:var(--accent);color:#102A3A}
.tier-flag.premium{background:#244A5C;color:#fff}
.tier-recommend{
  position:absolute;top:16px;right:-10px;
  background:var(--accent);color:#102A3A;font-size:12px;
  font-weight:700;padding:3px 12px;border-radius:4px;
  box-shadow:0 3px 6px rgba(0,0,0,0.1);
  transform:rotate(2deg);
}
.tier-item h3{font-size:22px;margin-bottom:10px}
.tier-desc{font-size:14px;color:var(--muted);margin-bottom:18px;min-height:44px}
.tier-feat-list li{
  padding:8px 0;border-bottom:1px dashed #E5F1F6;
  display:flex;gap:10px;align-items:center;font-size:15px;
}
.tier-feat-list li:last-child{border-bottom:none}
.tier-feat-list i{color:var(--primary);font-size:13px;width:18px;text-align:center}
.tier-link{margin-top:18px;display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);transition:gap .2s}
.tier-link:hover{gap:12px;color:var(--primary-strong)}

/* ===== 套餐对比 ===== */
.compare-section{background:var(--bg)}
.compare-wrap{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-xl);box-shadow:var(--shadow-sm);
  padding:8px;overflow-x:auto;
}
.compare-table{width:100%;min-width:720px;border-collapse:separate;border-spacing:0;font-size:15px}
.compare-table th,.compare-table td{
  padding:16px 18px;text-align:center;border-bottom:1px solid var(--border);
}
.compare-table th{
  background:var(--surface-soft);color:var(--heading);font-weight:600;
  font-size:15px;
}
.compare-table th:first-child,.compare-table td:first-child{text-align:left;background:transparent;font-weight:600;color:var(--text)}
.compare-table tr:last-child td{border-bottom:none}
.compare-table td.hot{
  background:#FDF9F0;position:relative;
}
.compare-table th.hot{
  background:var(--accent-soft);color:#7A5a16;
}
.compare-table .col-hero{background:#FDF9F0}
.compare-table .featured-cornor{
  display:inline-block;background:var(--accent);color:#102A3A;
  font-size:11px;font-weight:700;border-radius:3px;padding:1px 7px;margin-left:5px;
}
.compare-table .check{color:var(--primary);font-weight:700}
.compare-table .minus{color:#B0C3CE}

/* ===== 信息动态区 ===== */
.news-section{background:var(--surface)}
.news-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:28px}
.news-featured{
  background:var(--bg);border:1px solid var(--border);
  border-radius:var(--radius-card);overflow:hidden;
  display:flex;flex-direction:column;transition:box-shadow .3s;
  box-shadow:var(--shadow-sm);
}
.news-featured:hover{box-shadow:var(--shadow-md)}
.news-featured-cover{width:100%;aspect-ratio:16/8;object-fit:cover}
.news-featured-body{padding:24px 26px}
.news-featured .news-meta{display:flex;gap:12px;align-items:center;margin-bottom:10px}
.news-featured h3{font-size:21px;line-height:1.5;margin-bottom:10px}
.news-featured h3 a:hover{color:var(--primary)}
.news-featured .news-excerpt{font-size:14px;color:var(--muted);line-height:1.7}
.news-list{
  display:grid;grid-template-columns:1fr 1fr;gap:16px;
}
.news-list-item{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-card);padding:22px;
  transition:all .25s ease;
  box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;
}
.news-list-item:hover{
  transform:translateY(-3px);box-shadow:var(--md);border-color:var(--primary-soft);
}
.news-list-item .n-meta{font-size:12px;color:var(--muted);margin-bottom:8px}
.news-list-item h4{font-size:16px;line-height:1.45;margin-bottom:8px;flex:1}
.news-list-item h4 a:hover{color:var(--primary)}
.news-list-item .n-summary{font-size:13px;color:var(--muted);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-list-item .n-read{font-size:13px;color:var(--primary);font-weight:600;margin-top:12px;display:inline-flex;gap:4px;align-items:center}
.news-list-item .n-read:hover{gap:8px}
.empty-panel{
  border:2px dashed var(--border);background:var(--bg);
  border-radius:var(--radius-card);padding:50px 30px;
  text-align:center;color:var(--muted);font-size:15px;
}
.empty-panel .empty-icon{
  width:54px;height:54px;border-radius:14px;
  background:var(--primary-soft);color:var(--primary);
  font-size:24px;display:flex;align-items:center;justify-content:center;
  margin:0 auto 16px;
}

/* ===== 流程 / 内容带 ===== */
.process-section{background:var(--bg)}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.process-card{
  background:var(--surface);border-radius:var(--radius-card);
  padding:28px 22px;border:1px solid var(--border);
  box-shadow:var(--shadow-sm);text-align:center;position:relative;
  transition:all .3s ease;
}
.process-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}
.process-num{
  display:flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:10px;
  background:var(--primary);color:#fff;font-weight:700;
  font-family:Arial,sans-serif;font-size:18px;margin:0 auto 12px;
}
.process-card h3{font-size:17px;margin-bottom:8px}
.process-card p{font-size:13px;color:var(--muted);line-height:1.65}
.process-card:nth-child(2) .process-num{background:var(--accent)}
.process-card:nth-child(3) .process-num{background:#3B7A8E}
.process-card:nth-child(4) .process-num{background:var(--primary-strong)}

/* ===== 限时入口 ===== */
.promo-section{background:var(--surface)}
.promo-box{
  background:var(--surface-soft);border:1.5px dashed var(--accent);
  border-radius:var(--radius-xl);padding:44px 40px;
  display:flex;justify-content:space-between;align-items:center;
  gap:30px;flex-wrap:wrap;
}
.promo-info h3{font-size:24px;margin-bottom:6px}
.promo-info p{color:var(--muted);font-size:15px;margin-bottom:16px}
.promo-timer{display:flex;gap:10px;align-items:center}
.timer-block{
  background:var(--surface);border:1px solid var(--border);
  border-radius:10px;padding:9px 16px;text-align:center;
  min-width:60px;box-shadow:var(--shadow-sm);
}
.timer-block .num{
  font-family:Arial,sans-serif;font-weight:700;font-size:27px;
  line-height:1.2;color:var(--heading);
}
.timer-block .unit{font-size:12px;color:var(--muted)}
.promo-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ===== 咨询表单区 ===== */
.contact-section{background:var(--bg)}
.contact-grid{display:grid;grid-template-columns:1fr .85fr;gap:28px}
.contact-main{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-xl);box-shadow:var(--shadow-sm);
  padding:36px;
}
.contact-main h3{font-size:22px;margin-bottom:6px}
.contact-main > p{color:var(--muted);font-size:15px;margin-bottom:26px}
.form-label{font-size:14px;font-weight:600;color:var(--heading);margin-bottom:6px;display:block}
.form-control{
  width:100%;padding:11px 14px;
  border:1px solid var(--border);border-radius:var(--radius-btn);
  background:var(--bg);font-size:15px;color:var(--text);
  margin-bottom:18px;transition:border-color .2s,background .2s;
}
.form-control:focus{outline:none;border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(15,115,153,0.08)}
textarea.form-control{min-height:110px;resize:vertical}
.form-success{
  display:none;background:#E7F5EC;border:1px solid #BDDCCA;
  border-radius:10px;color:#1D6B47;font-size:14px;
  padding:14px 18px;margin-top:10px;
}
.form-success .fa{color:#2A8A5D;margin-right:6px}
.contact-side{
  display:flex;flex-direction:column;gap:16px;
}
.contact-card{
  background:var(--surface);border-radius:var(--radius-card);
  border:1px solid var(--border);box-shadow:var(--shadow-sm);
  padding:28px;flex:1;transition:box-shadow .25s;
}
.contact-card:hover{box-shadow:var(--shadow-md)}
.contact-card h4{font-size:17px;margin-bottom:18px;display:flex;align-items:center;gap:8px}
.contact-card h4 i{color:var(--primary);font-size:18px}
.contact-card .info-row{
  display:flex;align-items:center;gap:10px;padding:9px 0;
  font-size:14px;color:var(--text);
}
.contact-card .info-row i{color:var(--primary);width:18px;text-align:center}
.contact-card .info-row .muted-tag{color:var(--muted);font-size:13px}
.service-hour{
  background:var(--primary-soft);padding:14px 16px;border-radius:10px;
  font-size:14px;color:var(--primary);margin-top:10px;
}

/* ===== FAQ ===== */
.faq-section{background:var(--surface)}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.faq-item{
  border:1px solid var(--border);border-radius:var(--radius-card);
  background:var(--bg);padding:0;transition:all .25s;
}
.faq-item summary{
  list-style:none;cursor:pointer;padding:22px 26px;
  font-size:16px;font-weight:600;color:var(--heading);
  display:flex;justify-content:space-between;align-items:center;gap:14px;
  transition:color .2s;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .fa{color:var(--primary);font-size:15px;transition:transform .3s;flex-shrink:0}
.faq-item[open] summary .fa{transform:rotate(45deg)}
.faq-item[open] summary{border-bottom:1px dashed var(--border)}
.faq-item .faq-answer{padding:4px 26px 22px}
.faq-item .faq-answer p{font-size:15px;color:var(--text);margin-bottom:10px}
.faq-item .faq-answer p:last-child{margin-bottom:0}

/* ===== CTA条 ===== */
.cta-strip{
  background:var(--primary);border-radius:var(--radius-xl);
  padding:44px 40px;display:flex;align-items:center;
  justify-content:space-between;gap:24px;color:#fff;flex-wrap:wrap;
}
.cta-strip h3{color:#fff;font-size:22px;margin-bottom:6px}
.cta-strip p{color:rgba(255,255,255,0.9);font-size:15px;max-width:520px}
.cta-strip .btn-accent{background:var(--accent);color:#102A3A}
.cta-strip .btn-outline{border-color:rgba(255,255,255,0.6);color:#fff}
.cta-strip .btn-outline:hover{background:rgba(255,255,255,0.12);border-color:#fff;color:#fff}

/* ===== Footer ===== */
.site-footer{
  background:var(--surface);border-top:4px solid var(--primary);
  padding-top:60px;margin-top:0;
}
.footer-container{
  max-width:1180px;margin:0 auto;padding:0 20px;
}
.footer-top{
  display:grid;grid-template-columns:2fr 1fr 1.4fr;gap:40px;
  padding-bottom:42px;border-bottom:1px solid var(--border);
}
.footer-brand .brand-row{display:flex;align-items:center;margin-bottom:14px}
.footer-brand p{font-size:14px;color:var(--muted);line-height:1.75;max-width:360px}
.footer-links h5,.footer-contact h5{
  font-size:16px;font-weight:600;color:var(--heading);margin-bottom:16px;
}
.footer-links ul li{margin-bottom:9px}
.footer-links ul li a{font-size:14px;color:var(--text);transition:color .2s,padding-left .2s}
.footer-links ul li a:hover{color:var(--primary);padding-left:5px}
.footer-contact-item{
  display:flex;align-items:flex-start;gap:10px;margin-bottom:10px;
  font-size:14px;color:var(--text);
}
.footer-contact-item i{color:var(--primary);margin-top:5px;width:18px}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;
  padding:22px 0;flex-wrap:wrap;gap:12px;font-size:13px;color:var(--muted);
}
.footer-bottom .copyright i{font-style:normal}

/* ===== 图片背景兜底 ===== */
.bg-placeholder{background-color:#D9EBF3}

/* ===== 响应式 ===== */
@media (max-width: 992px){
  section{padding:64px 0}
  .hero-inner{grid-template-columns:1fr;}.hero{padding:60px 0 70px}
  .hero h1{font-size:34px}
  .tier-grid{grid-template-columns:1fr;gap:20px}
  .tier-item.featured{margin-top:0}
  .compare-section .container{padding:0 10px}
  .news-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr 1fr}
  .faq-grid{grid-template-columns:1fr}
  .process-grid{grid-template-columns:1fr 1fr}
  .header-search{display:none}
  .mobile-search{display:inline-flex;cursor:pointer}
}
@media (max-width: 768px){
  .section-title{font-size:23px}
  .section-sub{font-size:15px}
  .hero h1{font-size:28px}
  .hero-sub{font-size:16px}
  .hero-facts{grid-template-columns:repeat(3,1fr)}
  .empty-panel{padding:36px 16px}
  .news-list{grid-template-columns:1fr}
  .promo-box{padding:30px 20px;justify-content:flex-start}
  .timer-block{min-width:50px;padding:7px 12px}
  .timer-block .num{font-size:21px}
  .contact-main{padding:24px 20px}
  .cta-strip{padding:30px 24px;flex-direction:column;align-items:flex-start}
  .cta-strip .btn{margin-right:0}
}
@media (max-width: 576px){
  section{padding:50px 0}
  .container{padding:0 16px}
  .header-cta{display:none}
  .logo-cn{display:none}
  .process-grid{grid-template-columns:1fr}
  .tier-grid{grid-template-columns:1fr}
  .hero-facts{grid-template-columns:1fr 1fr 1fr;margin-left:-8px}
  .hero-stat{padding:10px 6px}
  .hero-stat .num{font-size:22px}
  .footer-top{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;text-align:center}
  .news-featured-body{padding:18px}
  .compare-wrap{padding:0}
  .promo-box{padding:24px 16px}
  .promo-info h3{font-size:19px}
  .main-nav .nav-item{padding:11px 12px;font-size:14px}
}

/* roulang page: article */
:root {
            --bg: #F4FAFD;
            --surface: #FFFFFF;
            --surface-soft: #EAF3F8;
            --primary: #0F7399;
            --primary-strong: #0B5C7F;
            --primary-soft: #DAEDF4;
            --accent: #DFA73A;
            --text: #203A4A;
            --heading: #102A3A;
            --muted: #6A8495;
            --border: #DCECF3;
            --shadow-sm: 0 6px 16px rgba(15, 115, 153, 0.06);
            --shadow-md: 0 14px 30px rgba(15, 115, 153, 0.10);
            --shadow-panel: 0 4px 0 0 #D2E6EE;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --content-max: 1180px;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, Arial, sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html,
        body {
            margin: 0;
            padding: 0;
            background: var(--bg);
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text);
            -webkit-font-smoothing: antialiased;
        }

        img,
        svg {
            max-width: 100%;
            display: inline-block;
            vertical-align: middle;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .22s ease, background .22s ease, border .22s ease;
        }

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

        ul,
        ol,
        p,
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0;
            padding: 0;
        }

        .container {
            width: 100%;
            max-width: var(--content-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* 页面头部 */
        .site-header {
            background: var(--surface);
            position: relative;
            z-index: 1050;
            border-bottom: 1px solid var(--border);
        }

        .header-top {
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
        }

        .header-top-flex {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 64px;
            gap: 20px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            font-weight: 700;
            letter-spacing: -.2px;
        }

        .brand-logo .logo-mark {
            width: 38px;
            height: 38px;
            border-radius: 11px;
            background: var(--primary);
            color: #fff;
            font-size: 21px;
            font-weight: 800;
            display: inline-grid;
            place-items: center;
            box-shadow: var(--shadow-panel);
        }

        .brand-logo .logo-text {
            font-size: 23px;
            color: var(--heading);
            font-weight: 800;
            line-height: 1;
        }

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

        .brand-badge {
            margin-left: 2px;
            background: var(--surface-soft);
            border: 1px solid var(--border);
            color: var(--muted);
            font-size: 12px;
            padding: 3px 8px;
            border-radius: 30px;
            font-weight: 400;
            white-space: nowrap;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex: 1;
            justify-content: flex-end;
        }

        .search-box {
            position: relative;
            width: 260px;
            max-width: 42%;
        }

        .search-box input {
            width: 100%;
            height: 40px;
            border: 1px solid var(--border);
            border-radius: 30px;
            background: var(--bg);
            padding: 0 40px 0 16px;
            font-size: 14px;
            color: var(--text);
            transition: border .2s, background .2s, box-shadow .2s;
        }

        .search-box input:focus {
            outline: none;
            background: #fff;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(15, 115, 153, .12);
        }

        .search-box .icon-search {
            position: absolute;
            right: 14px;
            top: 50%;
            transform: translateY(-50%);
            pointer-events: none;
            color: var(--muted);
            font-size: 14px;
        }

        .btn {
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            cursor: pointer;
            border: 1px solid transparent;
            padding: 10px 22px;
            transition: all .22s ease;
            letter-spacing: .2px;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff !important;
            box-shadow: var(--shadow-panel);
        }

        .btn-primary:hover {
            background: var(--primary-strong);
            transform: translateY(-1px);
            box-shadow: var(--shadow-sm);
        }

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

        .btn-outline:hover {
            background: var(--primary-soft);
            color: var(--primary-strong);
            transform: translateY(-1px);
            box-shadow: var(--shadow-sm);
        }

        .btn-accent {
            background: var(--accent);
            color: #2A2010;
            border-color: transparent;
            padding: 10px 24px;
            box-shadow: var(--shadow-panel);
        }

        .btn-accent:hover {
            filter: brightness(.97);
            transform: translateY(-1px);
            color: #2A2010;
            box-shadow: var(--shadow-md);
        }

        .btn-small {
            padding: 7px 16px;
            font-size: 13px;
        }

        /* 主导航 */
        .main-nav {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: var(--surface);
            box-shadow: var(--shadow-sm);
        }

        .main-nav .container {
            display: flex;
            align-items: center;
            gap: 6px;
            overflow-x: auto;
            white-space: nowrap;
            scrollbar-width: none;
            min-height: 48px;
        }

        .main-nav .container::-webkit-scrollbar {
            display: none;
        }

        .nav-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 17px;
            border-radius: 30px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            transition: background .2s, color .2s, box-shadow .2s;
        }

        .nav-item i {
            font-size: 13px;
            color: var(--muted);
            transition: color .2s;
        }

        .nav-item:hover {
            color: var(--primary);
            background: var(--surface-soft);
        }

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

        .nav-item.active i {
            color: var(--primary);
        }

        .nav-item.active::before {
            content: "";
            display: inline-block;
            width: 6px;
            height: 6px;
            background: var(--primary);
            border-radius: 1.5px;
            box-shadow: 9px 0 0 var(--primary);
            margin-right: 1px;
            transform: translateY(-1px);
            opacity: .9;
        }

        /* 页头以外通用区块 */
        .section {
            padding: 84px 0;
        }

        .section-tight {
            padding: 56px 0;
        }

        .section-white {
            background: #fff;
        }

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

        .section-head {
            max-width: 760px;
            margin: 0 auto 40px;
            text-align: center;
        }

        .section-head.left {
            margin-left: 0;
            text-align: left;
        }

        .section-head .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-soft);
            color: var(--primary-strong);
            font-size: 13px;
            border-radius: 30px;
            padding: 4px 14px;
            letter-spacing: .3px;
            margin-bottom: 14px;
        }

        .section-head .eyebrow i {
            font-size: 11px;
        }

        .section-title {
            font-size: 30px;
            line-height: 1.4;
            font-weight: 700;
            color: var(--heading);
            letter-spacing: -.3px;
        }

        .section-lead {
            font-size: 16px;
            line-height: 1.8;
            color: var(--muted);
            margin-top: 12px;
        }

        .h3,
        h3 {
            color: var(--heading);
        }

        /* 分类横幅 */
        .page-hero {
            position: relative;
            overflow: hidden;
            background-color: #D9EBF3;
            color: #fff;
            display: flex;
            align-items: center;
            min-height: 520px;
        }

        .page-hero .hero-bg {
            position: absolute;
            inset: 0;
            background-position: center;
            background-size: cover;
            background-repeat: no-repeat;
        }

        .page-hero .hero-mask {
            position: absolute;
            inset: 0;
            background-color: rgba(15, 115, 153, .76);
        }

        .page-hero .hero-inner {
            position: relative;
            z-index: 2;
            max-width: 760px;
            margin: 0 0 0 auto;
            padding: 72px 20px;
            color: #fff;
        }

        .page-hero.centered .hero-inner {
            max-width: 920px;
            margin: 0 auto;
            text-align: center;
        }

        .hero-kicker {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, .14);
            color: #FFFFFF;
            border: 1px solid rgba(255, 255, 255, .3);
            padding: 5px 13px;
            font-size: 14px;
            border-radius: 40px;
            margin-bottom: 20px;
            backdrop-filter: blur(6px);
        }

        .page-hero h1 {
            font-size: 44px;
            line-height: 1.3;
            margin-bottom: 18px;
            font-weight: 700;
            color: #FFFFFF;
            letter-spacing: -.5px;
        }

        .hero-desc {
            font-size: 17px;
            line-height: 1.9;
            margin-bottom: 24px;
            color: rgba(255, 255, 255, .92);
        }

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

        .hero-actions .btn {
            backdrop-filter: blur(4px);
        }

        .hero-actions .btn-primary {
            background: #FFFFFF;
            color: var(--primary-strong) !important;
            box-shadow: none;
        }

        .hero-actions .btn-primary:hover {
            background: var(--accent);
            color: #2A2010 !important;
        }

        .hero-actions .btn-light-outline {
            border-color: rgba(255, 255, 255, .7);
            color: #fff;
            background: rgba(255, 255, 255, .08);
        }

        .hero-actions .btn-light-outline:hover {
            background: rgba(255, 255, 255, .18);
            color: #fff;
            border-color: #fff;
        }

        .hero-note {
            margin-top: 22px;
            font-size: 13px;
            color: rgba(255, 255, 255, .7);
        }

        /* 服务要点 */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            min-height: 260px;
            display: flex;
            flex-direction: column;
            transition: box-shadow .25s, transform .25s;
        }

        .feature-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }

        .feature-icon {
            width: 50px;
            height: 50px;
            border-radius: 13px;
            background: var(--primary-soft);
            color: var(--primary);
            display: inline-grid;
            place-items: center;
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .feature-card h3 {
            font-size: 20px;
            margin-bottom: 10px;
            color: var(--heading);
            font-weight: 700;
        }

        .feature-card p {
            color: var(--muted);
            font-size: 15px;
            line-height: 1.85;
            margin-top: auto;
        }

        .feature-card .feature-more {
            margin-top: 16px;
            font-size: 14px;
            color: var(--primary);
            font-weight: 500;
        }

        /* 纵向流程 */
        .process-wrap {
            display: grid;
            grid-template-columns: 1.05fr .95fr;
            gap: 54px;
            align-items: stretch;
        }

        .process-content .section-head {
            text-align: left;
            margin: 0 0 24px;
        }

        .process-list {
            position: relative;
            margin: 0;
            padding-left: 0;
            list-style: none;
        }

        .process-item {
            position: relative;
            padding: 0 0 34px 70px;
        }

        .process-item:last-child {
            padding-bottom: 0;
        }

        .process-item::before {
            content: "";
            position: absolute;
            left: 24px;
            top: 46px;
            bottom: -2px;
            width: 2px;
            background: var(--border);
        }

        .process-item:last-child::before {
            display: none;
        }

        .process-step {
            position: absolute;
            left: 0;
            top: 0;
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: var(--surface);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            font-weight: 700;
            color: var(--primary);
            z-index: 1;
        }

        .process-item:nth-child(4n+1) .process-step {
            background: var(--surface-soft);
        }

        .process-item h3 {
            font-size: 19px;
            margin-bottom: 8px;
            font-weight: 700;
        }

        .process-item p {
            color: var(--muted);
            font-size: 15px;
            line-height: 1.85;
        }

        .process-note {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            padding: 28px;
        }

        .process-note .quote-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: var(--primary-soft);
            color: var(--primary);
            display: grid;
            place-items: center;
            font-size: 20px;
            margin-bottom: 18px;
        }

        .process-note h4 {
            font-size: 18px;
            margin-bottom: 12px;
            color: var(--heading);
        }

        .process-note p {
            color: var(--muted);
            font-size: 15px;
            line-height: 1.9;
        }

        .process-note ul {
            margin-top: 16px;
            display: grid;
            gap: 8px;
            list-style: none;
            padding: 0;
        }

        .process-note li {
            padding-left: 20px;
            position: relative;
            color: var(--text);
            font-size: 14px;
        }

        .process-note li::before {
            content: "";
            position: absolute;
            width: 6px;
            height: 6px;
            left: 0;
            top: 10px;
            background: var(--primary);
            opacity: .65;
            border-radius: 2px;
        }

        /* 交错服务组合 */
        .alternate-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 30px;
            margin-bottom: 34px;
        }

        .alternate-header .section-head {
            margin-bottom: 0;
        }

        .alternate-tabs-note {
            max-width: 300px;
            color: var(--muted);
            font-size: 15px;
            line-height: 1.8;
        }

        .alternate-stack {
            display: grid;
            gap: 36px;
        }

        .alt-block {
            display: grid;
            grid-template-columns: .9fr 1.1fr;
            gap: 34px;
            align-items: center;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            padding: 20px;
        }

        .alt-block.is-reverse {
            direction: rtl;
        }

        .alt-block.is-reverse > * {
            direction: ltr;
        }

        .alt-image {
            border-radius: var(--radius-md);
            overflow: hidden;
            aspect-ratio: 4 / 3;
            background: var(--surface-soft);
        }

        .alt-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }

        .alt-content {
            padding: 12px 6px;
        }

        .alt-content .alt-badge {
            display: inline-block;
            margin-bottom: 12px;
            background: var(--primary-soft);
            color: var(--primary);
            font-size: 13px;
            border-radius: 6px;
            padding: 3px 10px;
        }

        .alt-content h3 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--heading);
        }

        .alt-content p {
            color: var(--muted);
            margin-bottom: 16px;
            line-height: 1.9;
            font-size: 15px;
        }

        .alt-list {
            list-style: none;
            margin-bottom: 20px;
            display: grid;
            gap: 10px;
        }

        .alt-list li {
            position: relative;
            padding-left: 27px;
            color: var(--text);
            font-size: 15px;
        }

        .alt-list li i {
            position: absolute;
            left: 0;
            top: 4px;
            width: 18px;
            height: 18px;
            background: var(--primary-soft);
            color: var(--primary);
            border-radius: 50%;
            display: grid;
            place-items: center;
            font-size: 11px;
        }

        .alt-link {
            color: var(--primary);
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .alt-link:hover {
            color: var(--primary-strong);
        }

        /* 范围对照 */
        .compare-panel {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .compare-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 620px;
        }

        .compare-table th,
        .compare-table td {
            border-bottom: 1px solid var(--border);
            padding: 16px 18px;
            text-align: center;
            font-size: 14px;
            vertical-align: middle;
        }

        .compare-table th {
            background: var(--surface-soft);
            color: var(--heading);
            font-weight: 600;
        }

        .compare-table th:first-child {
            text-align: left;
            background: var(--primary-soft);
            background: var(--surface-soft);
        }

        .compare-table td {
            color: var(--text);
        }

        .compare-table td:first-child {
            text-align: left;
            color: var(--heading);
            font-weight: 500;
            background: var(--surface-soft);
        }

        .compare-table tr:last-child td {
            border-bottom: none;
        }

        .compare-table .compare-highlight {
            background: rgba(223, 167, 58, .08);
            color: var(--primary-strong);
        }

        .compare-icon {
            width: 23px;
            height: 23px;
            border-radius: 8px;
            background: var(--surface-soft);
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            margin-right: 4px;
        }

        .scope-foot {
            padding: 16px 18px;
            background: var(--bg);
            font-size: 13px;
            color: var(--muted);
        }

        /* FAQ */
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 42px;
            align-items: start;
        }

        .faq-intro h3 {
            font-size: 26px;
            color: var(--heading);
            margin-bottom: 14px;
        }

        .faq-intro p {
            color: var(--muted);
            font-size: 15px;
            line-height: 1.9;
            margin-bottom: 24px;
        }

        .faq-intro .faq-contact-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-sm);
        }

        .faq-intro .faq-contact-card h4 {
            color: var(--heading);
            font-size: 18px;
            margin-bottom: 10px;
        }

        .faq-intro .faq-contact-list {
            list-style: none;
            display: grid;
            gap: 10px;
            margin-bottom: 18px;
        }

        .faq-intro .faq-contact-list li {
            color: var(--text);
            font-size: 15px;
            display: flex;
            gap: 10px;
            align-items: center;
        }

        .faq-intro .faq-contact-list li i {
            color: var(--primary);
            width: 22px;
        }

        .accordion {
            display: grid;
            gap: 12px;
        }

        .accordion-item {
            background: var(--surface);
            border: 1px solid var(--border) !important;
            border-radius: var(--radius-md) !important;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .accordion-button {
            background: #fff;
            color: var(--heading);
            font-weight: 600;
            font-size: 16px;
            padding: 18px 20px;
            box-shadow: none !important;
            border: none;
            border-radius: 0 !important;
        }

        .accordion-button:not(.collapsed) {
            background: var(--primary-soft);
            color: var(--primary-strong);
        }

        .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(15, 115, 153, .12) !important;
        }

        .accordion-button::after {
            background: rgba(15, 115, 153, .15);
            border-radius: 50%;
            background-size: 13px;
            transition: transform .2s;
        }

        .accordion-body {
            background: #fff;
            color: var(--muted);
            font-size: 15px;
            line-height: 1.9;
            padding: 8px 20px 20px;
            border-top: 1px solid var(--surface-soft);
        }

        /* CTA */
        .cta-panel {
            background: var(--primary);
            border-radius: var(--radius-lg);
            color: #fff;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .cta-panel::before {
            content: "9";
            position: absolute;
            right: -18px;
            top: -76px;
            font-size: 220px;
            font-weight: 800;
            line-height: 1;
            color: rgba(255, 255, 255, .055);
            pointer-events: none;
            z-index: 0;
        }

        .cta-inner {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 56px 52px;
            gap: 30px;
        }

        .cta-title {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .cta-text {
            color: rgba(255, 255, 255, .82);
            font-size: 15px;
        }

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

        .cta-actions .btn-white {
            background: #FFFFFF;
            color: var(--primary-strong);
        }

        .cta-actions .btn-white:hover {
            background: var(--accent);
            color: #2A2010;
            transform: translateY(-1px);
        }

        .cta-actions .btn-outline-white {
            border-color: rgba(255, 255, 255, .75);
            color: #fff;
        }

        .cta-actions .btn-outline-white:hover {
            background: rgba(255, 255, 255, .12);
            color: #fff;
        }

        /* footer */
        .site-footer {
            background: var(--surface);
            border-top: 4px solid var(--primary);
        }

        .footer-container {
            max-width: var(--content-max);
            margin: 0 auto;
            padding: 48px 20px 24px;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 34px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: var(--muted);
            margin-top: 14px;
            max-width: 360px;
        }

        .footer-links h5,
        .footer-contact h5 {
            color: var(--heading);
            font-size: 16px;
            margin-bottom: 15px;
            font-weight: 700;
        }

        .footer-links ul {
            list-style: none;
            display: grid;
            gap: 9px;
        }

        .footer-links a {
            color: var(--text);
            font-size: 15px;
        }

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

        .footer-contact-item {
            display: flex;
            gap: 9px;
            align-items: flex-start;
            color: var(--text);
            font-size: 15px;
            margin-bottom: 11px;
        }

        .footer-contact-item i {
            color: var(--primary);
            margin-top: 4px;
            width: 16px;
            font-size: 13px;
        }

        .footer-bottom {
            border-top: 1px solid var(--border);
            padding-top: 18px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 14px;
            color: var(--muted);
        }

        .footer-bottom span a {
            color: var(--muted);
        }

        /* Responsive */
        @media (max-width: 992px) {
            .feature-grid {
                grid-template-columns: 1fr 1fr;
            }

            .feature-card:last-child {
                grid-column: 1 / -1;
            }

            .process-wrap {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
            }

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

            .alt-image {
                aspect-ratio: 16 / 9;
            }

            .header-top-flex {
                flex-wrap: wrap;
                padding-top: 8px;
                padding-bottom: 8px;
            }
            .header-actions {
                width: 100%;
                justify-content: space-between;
            }

            .search-box {
                width: calc(100% - 132px);
                max-width: none;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 60px 0;
            }

            .page-hero {
                min-height: 420px;
            }

            .page-hero h1 {
                font-size: 32px;
            }

            .page-hero .hero-inner {
                padding: 54px 18px;
            }

            .section-title {
                font-size: 24px;
            }

            .cta-inner {
                flex-direction: column;
                padding: 36px 24px;
                text-align: center;
            }

            .cta-actions {
                justify-content: center;
            }

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

            .compare-table-wrap {
                overflow-x: auto;
                margin: 0 -20px;
                padding: 0 20px;
            }
        }

        @media (max-width: 576px) {
            .brand-badge {
                display: none;
            }

            .header-top-flex {
                align-items: center;
            }

            .header-actions .btn {
                padding: 9px 14px;
                font-size: 14px;
            }

            .search-box {
                width: calc(100% - 94px);
            }

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

            .feature-card:last-child {
                grid-column: auto;
            }

            .feature-card {
                min-height: 0;
            }

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

            .hero-actions .btn {
                align-items: center;
                justify-content: center;
            }

            .footer-top {
                grid-template-columns: 1fr;
                gap: 26px;
            }

            .footer-bottom {
                flex-direction: column;
                justify-content: center;
                text-align: center;
            }

            .process-item {
                padding-left: 58px;
            }

            .process-step {
                width: 42px;
                height: 42px;
                font-size: 14px;
            }

            .process-item::before {
                left: 20px;
            }

            .alt-block {
                padding: 0;
            }

            .alt-content {
                padding: 13px 7px 16px;
            }
        }

/* roulang page: category1 */
:root {
      --bg: #F4FAFD;
      --surface: #FFFFFF;
      --surface-soft: #EAF3F8;
      --primary: #0F7399;
      --primary-strong: #0B5C7F;
      --primary-soft: #DAEDF4;
      --accent: #DFA73A;
      --text: #203A4A;
      --heading: #102A3A;
      --muted: #6A8495;
      --border: #DCECF3;
      --shadow-sm: 0 6px 16px rgba(15, 115, 153, 0.06);
      --shadow-md: 0 14px 30px rgba(15, 115, 153, 0.10);
      --shadow-panel: 0 4px 0 0 #D2E6EE;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
      scroll-padding-top: 128px;
    }

    body {
      margin: 0;
      background: var(--bg);
      color: var(--text);
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, system-ui, sans-serif;
      font-size: 16px;
      line-height: 1.8;
      -webkit-font-smoothing: antialiased;
    }

    body.is-mobile { overflow-x: hidden; }

    a { color: var(--primary); text-decoration: none; transition: color .2s ease, background .2s ease; }
    a:hover { color: var(--primary-strong); }
    img { max-width: 100%; display: block; }
    h1, h2, h3, h4, h5, h6 { color: var(--heading); font-weight: 700; line-height: 1.4; }

    ul, ol { padding-left: 1.2rem; }
    input, select, textarea { color: var(--text); }

    .container {
      width: 100%;
      max-width: 1180px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    .section { padding: 84px 0; }
    .section-light { background: var(--surface); }
    .section-soft { background: var(--bg); }
    .section-head { margin-bottom: 48px; max-width: 820px; }
    .section-title { font-size: 30px; margin-bottom: 12px; color: var(--heading); }
    .section-lead { color: var(--muted); font-size: 16px; margin-bottom: 0; }

    /* ---------- header ---------- */
    .site-header {
      background: var(--surface);
      border-bottom: 1px solid var(--border);
      position: relative;
      z-index: 1030;
    }

    .header-main {
      min-height: 64px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }

    .brand-logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
      text-decoration: none;
    }

    .brand-logo:hover { text-decoration: none; }

    .logo-mark {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 38px;
      height: 38px;
      border-radius: 10px;
      background: var(--primary);
      color: #fff;
      font-family: Arial, system-ui, sans-serif;
      font-size: 22px;
      font-weight: 800;
      position: relative;
      transition: transform .2s ease, background .2s ease, box-shadow .2s ease;
    }

    .logo-mark::after {
      content: "";
      position: absolute;
      right: -3px;
      bottom: -3px;
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: var(--accent);
      border: 2px solid #fff;
    }

    .brand-logo:hover .logo-mark {
      transform: translateY(-2px);
      background: var(--primary-strong);
      box-shadow: var(--shadow-sm);
    }

    .logo-text {
      color: var(--heading);
      font-size: 24px;
      font-weight: 800;
      letter-spacing: -0.3px;
      line-height: 1;
      font-family: Arial, system-ui, sans-serif;
    }

    .logo-cn {
      margin-left: 4px;
      padding: 3px 10px;
      background: var(--primary-soft);
      color: var(--primary-strong);
      border-radius: 5px;
      font-size: 13px;
      font-weight: 600;
    }

    .header-tools { display: flex; align-items: center; gap: 14px; }

    .header-search {
      display: flex;
      align-items: center;
      gap: 8px;
      width: 280px;
      background: var(--surface-soft);
      border: 1px solid var(--border);
      border-radius: 9px;
      padding: 0 12px;
      height: 40px;
      transition: border .2s ease, box-shadow .2s ease;
    }

    .header-search:focus-within {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(15, 115, 153, 0.12);
      background: #fff;
    }

    .header-search i { color: var(--muted); font-size: 14px; }

    .header-search input {
      flex: 1;
      border: 0;
      background: transparent;
      font-size: 14px;
      outline: none;
      color: var(--text);
    }

    .header-search input::placeholder { color: #9BB0BF; }

    @media (max-width: 991.98px) {
      .header-search { width: 220px; }
    }

    @media (max-width: 767.98px) {
      .header-search { display: none; }
      .header-main { gap: 8px; }
      .logo-text { font-size: 20px; }
    }

    /* ---------- buttons ---------- */
    .btn-reset {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      border-radius: var(--radius-sm);
      font-weight: 600;
      padding: 8px 18px;
      line-height: 1.6;
      text-decoration: none;
      cursor: pointer;
      border: 1px solid transparent;
      transition: all .2s ease;
      font-size: 15px;
    }

    .btn-main {
      background: var(--primary);
      color: #fff;
      border-color: transparent;
      box-shadow: 0 6px 12px rgba(15, 115, 153, 0.14);
    }

    .btn-main:hover, .btn-main:focus {
      background: var(--primary-strong);
      color: #fff;
      transform: translateY(-1px);
      box-shadow: var(--shadow-md);
    }

    .btn-line {
      background: #fff;
      color: var(--primary);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
    }

    .btn-line:hover, .btn-line:focus {
      background: var(--primary-soft);
      color: var(--primary-strong);
      border-color: transparent;
      transform: translateY(-1px);
    }

    .btn-amber {
      background: var(--accent);
      border-color: transparent;
      color: var(--heading);
    }

    .btn-amber:hover, .btn-amber:focus {
      background: #C9932F;
      color: #fff;
      transform: translateY(-1px);
    }

    .btn:focus-visible {
      outline: none;
      box-shadow: 0 0 0 3px rgba(15, 115, 153, 0.4);
    }

    /* ---------- main nav ---------- */
    .main-nav {
      position: sticky;
      top: 0;
      z-index: 1020;
      background: rgba(244, 250, 253, 0.92);
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border);
    }

    .main-nav .container {
      display: flex;
      align-items: center;
      gap: 6px;
      flex-wrap: nowrap;
      overflow-x: auto;
      scrollbar-width: none;
      -ms-overflow-style: none;
      min-height: 46px;
      padding-top: 2px;
      padding-bottom: 0;
    }

    .main-nav .container::-webkit-scrollbar { display: none; }

    .nav-item {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 9px 15px;
      font-size: 15px;
      color: var(--text);
      font-weight: 600;
      border-radius: 9px 9px 0 0;
      border-bottom: 2px solid transparent;
      white-space: nowrap;
      text-decoration: none;
      transition: color .2s ease, background .2s ease;
    }

    .nav-item i.home-icon { color: var(--muted); font-size: 14px; }

    .nav-item:hover, .nav-item:focus-visible {
      color: var(--primary);
      background: var(--surface-soft);
      text-decoration: none;
      outline: none;
    }

    .nav-item.active {
      color: var(--primary-strong);
      background: var(--primary-soft);
      border-bottom-color: var(--primary);
    }

    .dot-nine {
      display: inline-block;
      width: 10px;
      height: 10px;
      margin-right: 0;
      background-image: radial-gradient(circle, currentColor 1.2px, transparent 1.6px);
      background-size: 5px 5px;
      background-position: 0 0;
      opacity: .9;
    }

    .nav-cta-mobile {
      margin-left: auto;
      display: none;
    }

    @media (max-width: 575.98px) {
      .nav-item { padding: 9px 12px; }
      .nav-cta-mobile { display: inline-flex; }
    }

    /* ---------- hero / banner ---------- */
    .page-banner {
      position: relative;
      padding: 72px 0 64px;
      background-color: #D9EBF3;
      background-image: linear-gradient(98deg, rgba(255, 255, 255, 0.92) 0%, rgba(244, 250, 253, 0.80) 60%, rgba(218, 237, 244, 0.72) 100%), url('/assets/images/backpic/back-1.webp');
      background-size: cover;
      background-position: right center;
      color: var(--text);
      overflow: hidden;
    }

    .page-banner .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 5px 12px;
      background: var(--primary-soft);
      color: var(--primary-strong);
      border-radius: 5px;
      font-size: 14px;
      font-weight: 600;
      margin-bottom: 18px;
      letter-spacing: .5px;
    }

    .page-banner h1 {
      font-size: 42px;
      line-height: 1.25;
      margin: 0 0 18px;
      color: var(--heading);
      max-width: 780px;
      letter-spacing: 0.5px;
    }

    .page-banner .banner-desc {
      color: var(--text);
      font-size: 17px;
      line-height: 1.9;
      max-width: 660px;
      margin: 0 0 30px;
    }

    .banner-actions { display: flex; flex-wrap: wrap; gap: 14px; }

    @media (max-width: 767.98px) {
      .page-banner { padding: 50px 0 46px; }
      .page-banner h1 { font-size: 30px; }
      .page-banner .banner-desc { font-size: 15px; }
      .banner-actions .btn { width: 100%; }
    }

    /* ---------- 双栏介绍 ---------- */
    .about-media { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-panel); border: 1px solid var(--border); }
    .about-media img { width: 100%; height: 100%; min-height: 380px; object-fit: cover; }
    .about-media-mark {
      position: absolute;
      left: 18px;
      top: 18px;
      width: 48px;
      height: 48px;
      border-radius: 14px;
      background: #fff;
      box-shadow: var(--shadow-sm);
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .about-media-mark .logo-mark { width: 32px; height: 32px; font-size: 18px; border-radius: 8px; }
    .about-media-mark .logo-mark::after { display: none; }
    .about-note {
      position: absolute;
      right: 14px;
      bottom: 14px;
      background: rgba(255, 255, 255, 0.94);
      border: 1px solid var(--border);
      border-radius: 10px;
      padding: 8px 12px;
      font-size: 13px;
      color: var(--primary-strong);
      font-weight: 600;
    }
    .about-copy h2 { font-size: 30px; margin-bottom: 18px; }
    .about-copy p { color: var(--text); margin-bottom: 16px; }
    .about-copy .props-tabs { margin-top: 26px; }
    .prop-list { list-style: none; margin: 0; padding: 0; }
    .prop-list li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      margin-bottom: 14px;
      color: var(--text);
    }
    .prop-list li i {
      margin-top: 6px;
      width: 20px;
      text-align: center;
      color: var(--primary);
    }
    .tag-wrap { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
    .tag {
      background: var(--primary-soft);
      color: var(--primary-strong);
      border-radius: 4px;
      padding: 4px 10px;
      font-size: 13px;
      font-weight: 600;
    }

    @media (max-width: 991.98px) {
      .about-media img { min-height: 260px; }
      .about-copy { margin-top: 30px; }
    }

    /* ---------- 品牌价值数据条 ---------- */
    .brand-number-band {
      background: var(--surface);
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
      padding: 44px 0;
    }
    .numbers-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
    .number-item {
      text-align: center;
      padding: 20px 14px;
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      background: #fff;
      box-shadow: var(--shadow-sm);
    }
    .number-item .num {
      font-size: 40px;
      font-weight: 800;
      color: var(--primary);
      font-family: Arial, system-ui, sans-serif;
      line-height: 1.2;
      display: block;
      position: relative;
    }
    .number-item .label { color: var(--muted); font-size: 15px; margin-top: 6px; display: block; }
    @media (max-width: 767.98px) {
      .brand-number-band { padding: 30px 0; }
      .numbers-grid { grid-template-columns: 1fr; gap: 14px; }
      .number-item { display: flex; justify-content: center; gap: 12px; text-align: left; }
    }

    /* ---------- 内容原则列表 ---------- */
    .system-section {
      background: var(--surface);
      padding: 84px 0;
    }

    .system-wrap {
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      background: #fff;
      box-shadow: var(--shadow-panel);
      overflow: hidden;
    }

    .system-head {
      display: flex;
      align-items: start;
      gap: 16px;
      padding: 28px 30px;
      border-bottom: 1px solid var(--border);
      background: var(--surface-soft);
    }

    .system-head .head-mark {
      width: 38px;
      height: 38px;
      flex: 0 0 auto;
      border-radius: 10px;
      background: var(--primary-soft);
      color: var(--primary-strong);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      font-weight: 800;
      font-family: Arial, system-ui, sans-serif;
    }

    .system-head h2 { font-size: 24px; margin: 0 0 4px; color: var(--heading); }
    .system-head p { margin: 0; color: var(--muted); font-size: 15px; }

    .system-list {
      list-style: none;
      margin: 0;
      padding: 0;
      display: grid;
      grid-template-columns: 1fr 1fr;
    }

    .system-list li {
      display: flex;
      gap: 16px;
      padding: 30px;
      border-right: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
      margin: 0;
    }

    .system-list li:nth-child(even) { border-right: 0; }
    .system-list li:nth-last-child(-n+2) { border-bottom: 0; }

    .sys-num {
      font-size: 15px;
      font-weight: 800;
      color: var(--primary);
      background: var(--primary-soft);
      border-radius: 6px;
      min-width: 36px;
      height: 28px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 0 8px;
      font-family: Arial, system-ui, sans-serif;
    }

    .sys-content h3 { font-size: 18px; margin: 0 0 8px; color: var(--heading); }
    .sys-content p { color: var(--text); font-size: 15px; margin: 0; }

    @media (max-width: 991.98px) {
      .system-list { grid-template-columns: 1fr; }
      .system-list li { border-right: 0; border-bottom: 1px solid var(--border); }
      .system-list li:nth-last-child(-n+2) { border-bottom: 1px solid var(--border); }
      .system-list li:last-child { border-bottom: 0; }
    }

    @media (max-width: 575.98px) {
      .system-head { padding: 22px 18px; }
      .system-list li { padding: 22px 18px; flex-direction: column; gap: 8px; }
    }

    /* ---------- 引言带 ---------- */
    .quote-band {
      background: var(--bg);
      padding: 72px 0;
    }

    .quote-box {
      text-align: center;
      max-width: 890px;
      margin: 0 auto;
      padding: 48px 48px;
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      background: #fff;
      position: relative;
      box-shadow: var(--shadow-sm);
    }

    .quote-box::before {
      content: "9";
      font-family: Arial, system-ui, sans-serif;
      font-size: 120px;
      line-height: 1;
      position: absolute;
      right: 12px;
      top: -38px;
      color: rgba(15, 115, 153, 0.08);
      font-weight: 800;
    }

    .quote-box p {
      font-size: 22px;
      line-height: 1.8;
      color: var(--heading);
      margin: 0 0 12px;
      font-weight: 600;
    }

    .quote-box cite { color: var(--muted); font-style: normal; font-size: 15px; }

    @media (max-width: 767.98px) {
      .quote-box { padding: 34px 22px; }
      .quote-box p { font-size: 18px; }
    }

    /* ---------- 栏目说明 ---------- */
    .channel-list { list-style: none; padding: 0; margin: 0; }
    .channel-list li {
      display: grid;
      grid-template-columns: 80px 1fr 120px;
      align-items: center;
      gap: 20px;
      padding: 22px 0;
      border-bottom: 1px dashed var(--border);
    }
    .channel-list li:last-child { border-bottom: 0; }
    .channel-no { font-size: 14px; font-weight: 800; color: var(--primary); font-family: Arial, system-ui, sans-serif; }
    .channel-name { font-size: 20px; font-weight: 700; color: var(--heading); display: block; margin-bottom: 4px; }
    .channel-desc { font-size: 15px; color: var(--muted); line-height: 1.8; }
    .channel-badge { justify-self: end; }

    @media (max-width: 767.98px) {
      .channel-list li { grid-template-columns: 1fr; gap: 8px; padding: 24px 0; }
      .channel-badge { justify-self: start; }
    }

    /* ---------- FAQ ---------- */
    .faq-section { background: var(--bg); padding: 84px 0; }
    .faq-panel { margin-top: 30px; }
    .accordion-item {
      border: 1px solid var(--border) !important;
      border-radius: var(--radius-sm) !important;
      margin-bottom: 14px;
      box-shadow: var(--shadow-sm);
      background: #fff;
      overflow: hidden;
    }
    .accordion-button {
      background: #fff;
      color: var(--heading);
      font-weight: 600;
      font-size: 16px;
      padding: 18px 20px;
      border: 0;
      box-shadow: none !important;
      line-height: 1.6;
    }
    .accordion-button:focus { box-shadow: none !important; border: 0; }
    .accordion-button:not(.collapsed) {
      color: var(--primary-strong);
      background: var(--primary-soft);
    }
    .accordion-button::after {
      background-image: none;
      content: "\f078";
      font-family: "Font Awesome 6 Free";
      font-weight: 900;
      width: 20px;
      height: 20px;
      text-align: center;
      font-size: 14px;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      justify-content: center;
    }
    .accordion-button:not(.collapsed)::after {
      transform: rotate(180deg);
      color: var(--primary);
    }
    .accordion-body { padding: 18px 20px; background: #fff; color: var(--text); font-size: 15px; line-height: 1.9; border-top: 1px solid var(--border); }

    /* ---------- 咨询CTA ---------- */
    .cta-section { background: var(--surface); padding: 84px 0; }
    .cta-box {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .contact-side {
      background: var(--surface-soft);
      border-right: 1px solid var(--border);
      height: 100%;
      padding: 42px;
    }
    .contact-side h2 { font-size: 28px; margin-bottom: 16px; }
    .contact-side > p { color: var(--muted); font-size: 15px; margin-bottom: 30px; }
    .contact-list { list-style: none; margin: 0 0 20px; padding: 0; }
    .contact-list li { display: flex; gap: 12px; margin-bottom: 18px; font-size: 15px; color: var(--text); align-items: flex-start; }
    .contact-list li i { color: var(--primary); width: 20px; text-align: center; margin-top: 5px; }
    .contact-list li span { color: var(--muted); }

    .form-row { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 20px; }
    .form-field { margin-bottom: 18px; }
    .form-field.full { grid-column: 1 / -1; }
    .form-field label { display: block; font-size: 14px; font-weight: 600; color: var(--heading); margin-bottom: 8px; }
    .form-control {
      border: 1px solid var(--border);
      background: #fff;
      border-radius: 8px;
      padding: 10px 12px;
      font-size: 15px;
      line-height: 1.6;
      transition: border .2s ease, box-shadow .2s ease;
    }
    .form-control:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(15, 115, 153, 0.10);
      background: #fff;
      outline: none;
    }
    select.form-control:focus { box-shadow: 0 0 0 3px rgba(15, 115, 153, 0.10); }

    .form-success {
      display: none;
      align-items: center;
      gap: 10px;
      background: #EAF7EC;
      color: #3A7A45;
      border-radius: 8px;
      padding: 12px 14px;
      margin-top: 18px;
      font-size: 14px;
      border: 1px solid #C9E5CF;
    }
    .form-success.show { display: flex; }
    .form-success i { font-size: 18px; }

    @media (max-width: 991.98px) {
      .contact-side { border-right: 0; border-bottom: 1px solid var(--border); padding: 30px 24px; }
    }

    @media (max-width: 575.98px) {
      .form-row { grid-template-columns: 1fr; }
      .form-field.full { grid-column: auto; }
    }

    /* ---------- footer ---------- */
    .site-footer {
      background: var(--surface);
      border-top: 4px solid var(--primary);
      margin-top: 0;
    }
    .footer-container {
      max-width: 1180px;
      margin: 0 auto;
      padding: 48px 20px 24px;
    }
    .footer-top { display: grid; grid-template-columns: 1.4fr 0.8fr 1fr; gap: 40px; padding-bottom: 28px; }
    .brand-row { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
    .brand-logo.footer .logo-text { font-size: 22px; }
    .site-footer p { color: var(--text); font-size: 15px; line-height: 1.8; }
    .footer-links h5, .footer-contact h5 { font-size: 16px; font-weight: 700; color: var(--heading); margin-bottom: 14px; }
    .footer-links ul { list-style: none; margin: 0; padding: 0; }
    .footer-links li { margin-bottom: 10px; }
    .footer-links a { color: var(--text); font-size: 15px; transition: color .2s ease, padding-left .2s ease; }
    .footer-links a:hover { color: var(--primary); padding-left: 6px; }
    .footer-contact-item { font-size: 15px; color: var(--text); margin-bottom: 14px; display: flex; gap: 10px; }
    .footer-contact-item i { color: var(--primary); margin-top: 6px; width: 16px; text-align: center; }
    .footer-contact-item span { color: var(--muted); word-break: break-all; }
    .footer-bottom {
      border-top: 1px solid var(--border);
      padding-top: 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      color: var(--muted);
      font-size: 14px;
    }

    @media (max-width: 991.98px) {
      .footer-top { grid-template-columns: 1fr 1fr; }
    }

    @media (max-width: 767.98px) {
      .footer-top { grid-template-columns: 1fr; gap: 28px; }
      .footer-bottom { flex-direction: column; align-items: flex-start; }
    }

    /* ---------- misc ---------- */
    .form-note {
      background: var(--surface-soft);
      border: 1px dashed var(--border);
      border-radius: 8px;
      padding: 10px 14px;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.7;
      margin-top: 18px;
    }
    .faq-side-intro {
      height: 100%;
      background: var(--surface-soft);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 28px 24px;
      box-shadow: var(--shadow-panel);
    }
    .faq-side-intro .side-icon {
      width: 36px;
      height: 36px;
      border-radius: 10px;
      background: #fff;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 14px;
      box-shadow: var(--shadow-sm);
    }
    .faq-side-intro h3 { font-size: 18px; margin-bottom: 10px; }
    .faq-side-intro p { color: var(--muted); font-size: 15px; }
    .faq-side-list { list-style: none; margin: 18px 0 0; padding: 0; }
    .faq-side-list li { display: flex; gap: 8px; font-size: 14px; color: var(--text); margin-bottom: 10px; align-items: center; }
    .faq-side-list li i { color: var(--primary); font-size: 12px; width: 16px; text-align: center; }

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

    @media (max-width: 767.98px) {
      .section { padding: 52px 0; }
      .system-section { padding: 52px 0; }
      .faq-section { padding: 52px 0; }
      .cta-section { padding: 52px 0; }
      .quote-band { padding: 44px 0; }
      .section-title { font-size: 22px; }
      .section-head { margin-bottom: 34px; }
    }

/* roulang page: category2 */
:root {
      --bg: #F4FAFD;
      --surface: #FFFFFF;
      --surface-soft: #EAF3F8;
      --primary: #0F7399;
      --primary-strong: #0B5C7F;
      --primary-soft: #DAEDF4;
      --accent: #DFA73A;
      --text: #203A4A;
      --heading: #102A3A;
      --muted: #6A8495;
      --border: #DCECF3;
      --shadow-sm: 0 6px 16px rgba(15,115,153,0.06);
      --shadow-md: 0 14px 30px rgba(15,115,153,0.10);
      --shadow-panel: 0 4px 0 0 #D2E6EE;
      --radius-card: 14px;
      --radius-big: 20px;
      --radius-btn: 8px;
    }
    * {
      box-sizing: border-box;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      margin: 0;
      padding: 0;
      background: var(--bg);
      color: var(--text);
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
      font-size: 16px;
      line-height: 1.8;
      -webkit-font-smoothing: antialiased;
    }
    h1,h2,h3,h4,h5,h6 {
      color: var(--heading);
      font-weight: 700;
      line-height: 1.4;
      margin: 0 0 12px;
    }
    p {
      margin: 0 0 16px;
    }
    a {
      color: var(--primary);
      text-decoration: none;
      transition: color 0.2s ease;
    }
    a:hover {
      color: var(--primary-strong);
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    figure {
      margin: 0;
    }
    ul,ol {
      padding-left: 20px;
      margin: 0 0 16px;
    }
    .container {
      max-width: 1180px;
      margin: 0 auto;
      padding: 0 20px;
    }

    /* Header 第一行 */
    .top-header {
      background: var(--surface);
      border-bottom: 1px solid var(--border);
      padding: 12px 0;
    }
    .header-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
    }
    .brand-logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      text-decoration: none;
    }
    .logo-mark {
      width: 36px;
      height: 36px;
      border-radius: 8px;
      background: var(--primary-soft);
      color: var(--primary);
      font-size: 19px;
      font-weight: 900;
      font-family: Arial, sans-serif;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      position: relative;
      flex-shrink: 0;
    }
    .logo-mark::after {
      content: '';
      width: 6px;
      height: 6px;
      background: var(--accent);
      border-radius: 1px;
      position: absolute;
      top: 4px;
      right: 4px;
    }
    .logo-text {
      font-size: 22px;
      font-weight: 900;
      color: var(--heading);
      font-family: Arial, "PingFang SC", sans-serif;
      letter-spacing: -0.2px;
    }
    .brand-badge {
      font-size: 12px;
      color: var(--muted);
      background: var(--surface-soft);
      border: 1px solid var(--border);
      border-radius: 4px;
      padding: 4px 8px;
      white-space: nowrap;
      margin-left: 4px;
    }
    .header-right {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .header-search {
      position: relative;
      width: 260px;
    }
    .header-search input {
      width: 100%;
      height: 40px;
      border: 1px solid var(--border);
      border-radius: var(--radius-btn);
      padding: 0 38px 0 14px;
      font-size: 14px;
      background: var(--bg);
      color: var(--text);
      outline: none;
      transition: border-color .2s, box-shadow .2s;
    }
    .header-search input:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(15,115,153,0.12);
    }
    .header-search button {
      position: absolute;
      right: 4px;
      top: 4px;
      width: 32px;
      height: 32px;
      border: none;
      background: transparent;
      color: var(--muted);
      cursor: pointer;
      border-radius: 6px;
      transition: color .2s, background .2s;
    }
    .header-search button:hover {
      color: var(--primary);
      background: var(--primary-soft);
    }
    .header-cta {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      height: 40px;
      padding: 0 16px;
      background: var(--primary);
      color: #fff;
      border: 1px solid transparent;
      border-radius: var(--radius-btn);
      font-size: 13px;
      font-weight: 600;
      text-decoration: none;
      transition: background .2s, transform .2s, box-shadow .2s;
      white-space: nowrap;
    }
    .header-cta:hover {
      background: var(--primary-strong);
      color: #fff;
      transform: translateY(-1px);
      box-shadow: 0 6px 14px rgba(15,115,153,0.18);
    }

    /* Header 第二行 */
    .main-nav {
      background: var(--surface);
      border-bottom: 1px solid var(--border);
      position: relative;
      z-index: 20;
    }
    .main-nav .container {
      display: flex;
      align-items: center;
      gap: 4px;
      overflow-x: auto;
      white-space: nowrap;
      padding-top: 8px;
      padding-bottom: 8px;
      scrollbar-width: none;
    }
    .main-nav .container::-webkit-scrollbar {
      display: none;
    }
    .nav-item {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 8px 16px;
      border-radius: 8px;
      font-size: 15px;
      font-weight: 500;
      color: var(--text);
      text-decoration: none;
      transition: background .2s, color .2s;
      flex-shrink: 0;
    }
    .nav-item i {
      font-size: 13px;
      color: var(--muted);
    }
    .nav-item:hover {
      background: var(--surface-soft);
      color: var(--primary);
    }
    .nav-item.active {
      background: var(--primary-soft);
      color: var(--primary);
      font-weight: 600;
      position: relative;
    }
    .nav-item.active i {
      color: var(--primary);
    }
    .nav-item.active::before {
      content: '';
      width: 6px;
      height: 6px;
      background: var(--primary);
      border-radius: 1.5px;
      display: inline-block;
      margin-right: 2px;
      flex-shrink: 0;
      box-shadow: 8px 0 0 var(--primary), 8px 8px 0 var(--primary), 0 8px 0 var(--primary);
    }

    /* Hero banner 内页统一 */
    .page-hero {
      position: relative;
      padding: 76px 0 72px;
      background: var(--primary-soft);
      border-bottom: 1px solid var(--border);
      overflow: hidden;
    }
    .page-hero-bg {
      position: absolute;
      inset: 0;
      background-image: url('/assets/images/backpic/back-1.webp');
      background-size: cover;
      background-position: center center;
      opacity: 0.30;
    }
    .page-hero .hero-inner {
      position: relative;
      z-index: 2;
    }
    .page-hero .crumb {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 13px;
      color: var(--muted);
      margin-bottom: 20px;
      background: rgba(255,255,255,0.78);
      border: 1px solid rgba(255,255,255,0.9);
      padding: 6px 14px;
      border-radius: 30px;
      backdrop-filter: blur(4px);
    }
    .page-hero .crumb a {
      color: var(--muted);
      text-decoration: none;
    }
    .page-hero .crumb a:hover {
      color: var(--primary);
    }
    .page-hero h1 {
      font-size: 40px;
      margin: 0 0 16px;
      color: var(--heading);
      letter-spacing: 0.5px;
    }
    .page-hero h1 span {
      color: var(--primary);
    }
    .page-hero .sub-text {
      font-size: 17px;
      line-height: 1.8;
      max-width: 720px;
      color: var(--text);
      margin-bottom: 0;
    }

    /* 服务方案 intro */
    .section-padding {
      padding: 84px 0;
    }
    .section-title {
      font-size: 30px;
      line-height: 1.4;
      margin: 0 0 8px;
      color: var(--heading);
    }
    .section-subtitle {
      font-size: 16px;
      color: var(--muted);
      margin-bottom: 36px;
    }
    .section-split {
      display: flex;
      align-items: center;
      gap: 36px;
      margin-bottom: 32px;
    }
    .method-card {
      border-radius: var(--radius-big);
      background: var(--surface);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      padding: 40px;
      display: grid;
      grid-template-columns: 1.05fr 0.95fr;
      gap: 56px;
      align-items: center;
    }
    .method-text h2 {
      font-size: 24px;
      margin-bottom: 18px;
    }
    .method-text p {
      color: var(--muted);
      line-height: 2;
    }
    .method-list {
      list-style: none;
      padding: 0;
      margin: 20px 0 0;
    }
    .method-list li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      padding: 8px 0;
      font-size: 15px;
    }
    .method-list li i {
      color: var(--primary);
      margin-top: 5px;
      font-size: 14px;
    }
    .method-visual {
      border-radius: var(--radius-big);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .method-visual img {
      width: 100%;
      min-height: 260px;
      object-fit: cover;
    }

    /* 服务流程 步骤时间线 */
    .flow-area {
      background: var(--surface);
      padding: 84px 0;
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
    }
    .process-wrap {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 28px;
      margin-top: 12px;
    }
    .process-item {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--radius-card);
      padding: 28px 22px;
      box-shadow: var(--shadow-sm);
      transition: transform .25s ease, box-shadow .25s ease;
      position: relative;
    }
    .process-item:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
    }
    .process-step {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 34px;
      height: 34px;
      background: var(--primary);
      color: #fff;
      font-weight: 700;
      font-family: Arial, sans-serif;
      font-size: 15px;
      border-radius: 8px;
      margin-bottom: 18px;
    }
    .process-item:nth-child(2) .process-step {
      background: var(--accent);
    }
    .process-item h3 {
      font-size: 18px;
      margin-bottom: 8px;
    }
    .process-item p {
      font-size: 14px;
      color: var(--muted);
      line-height: 1.7;
      margin: 0;
    }

    /* 错位卡片组件 */
    .alt-area {
      padding: 84px 0;
    }
    .alt-item {
      display: grid;
      grid-template-columns: 1fr 1fr;
      align-items: center;
      gap: 48px;
      margin-bottom: 58px;
    }
    .alt-item:nth-child(even) {
      direction: rtl;
    }
    .alt-item:nth-child(even) > * {
      direction: ltr;
    }
    .alt-card-img {
      border-radius: var(--radius-big);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border);
    }
    .alt-card-img img {
      width: 100%;
      height: 280px;
      object-fit: cover;
    }
    .alt-card-body {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--radius-big);
      padding: 34px;
      box-shadow: var(--shadow-sm);
      transition: box-shadow .25s ease;
    }
    .alt-card-body:hover {
      box-shadow: var(--shadow-md);
    }
    .alt-card-body .tag {
      display: inline-block;
      background: var(--primary-soft);
      color: var(--primary);
      font-size: 12px;
      font-weight: 600;
      border-radius: 6px;
      padding: 4px 10px;
      margin-bottom: 14px;
      letter-spacing: 0.4px;
    }
    .alt-card-body h3 {
      font-size: 23px;
      margin-bottom: 12px;
    }
    .alt-card-body p {
      color: var(--muted);
      line-height: 1.9;
      font-size: 15px;
      margin-bottom: 14px;
    }
    .alt-feature-list {
      list-style: none;
      padding: 0;
      margin: 12px 0 8px;
    }
    .alt-feature-list li {
      padding: 4px 0;
      font-size: 14px;
      display: flex;
      gap: 8px;
      align-items: center;
    }
    .alt-feature-list i {
      color: var(--primary);
      font-size: 12px;
      width: 18px;
      height: 18px;
      background: var(--primary-soft);
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    /* 服务场景 */
    .scene-area {
      background: var(--surface-soft);
      padding: 70px 0;
    }
    .scene-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .scene-card {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--radius-card);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      transition: transform .2s, box-shadow .2s;
      height: 100%;
    }
    .scene-card:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow-md);
    }
    .scene-card .icon-circle {
      width: 48px;
      height: 48px;
      background: var(--primary-soft);
      border-radius: 12px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-size: 18px;
      margin-bottom: 18px;
    }
    .scene-card h3 {
      font-size: 19px;
      margin-bottom: 10px;
    }
    .scene-card p {
      color: var(--muted);
      font-size: 14.5px;
      line-height: 1.8;
      margin: 0;
    }

    /* CTA 板块 */
    .cta-panel {
      padding: 70px 0 0;
    }
    .cta-inner {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--radius-big);
      padding: 44px 56px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 24px;
      box-shadow: var(--shadow-sm);
      position: relative;
      overflow: hidden;
    }
    .cta-inner::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 4px;
      background: var(--primary);
    }
    .cta-inner h2 {
      font-size: 27px;
      margin: 0 0 8px;
    }
    .cta-inner p {
      color: var(--muted);
      margin: 0;
      font-size: 15px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 600;
      border-radius: var(--radius-btn);
      padding: 12px 30px;
      font-size: 16px;
      text-decoration: none;
      transition: background .2s, transform .2s, box-shadow .2s, border-color .2s;
      border: 1px solid transparent;
      gap: 8px;
      cursor: pointer;
    }
    .btn-primary-custom {
      background: var(--primary);
      color: #fff;
      border-color: var(--primary);
    }
    .btn-primary-custom:hover {
      background: var(--primary-strong);
      border-color: var(--primary-strong);
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(15,115,153,0.18);
    }
    .btn-ghost {
      background: #fff;
      color: var(--primary);
      border-color: var(--border);
    }
    .btn-ghost:hover {
      background: var(--primary-soft);
      border-color: var(--primary-soft);
      color: var(--primary);
    }

    /* Footer */
    .site-footer {
      background: var(--surface);
      border-top: 4px solid var(--primary);
      margin-top: 70px;
      padding: 52px 0 24px;
    }
    .footer-container {
      max-width: 1180px;
      margin: 0 auto;
      padding: 0 20px;
    }
    .footer-top {
      display: grid;
      grid-template-columns: 1.6fr 1fr 1fr;
      gap: 50px;
      padding-bottom: 42px;
      border-bottom: 1px solid var(--border);
    }
    .footer-brand .brand-row {
      margin-bottom: 16px;
    }
    .footer-brand p {
      color: var(--muted);
      font-size: 15px;
      line-height: 1.8;
      max-width: 420px;
    }
    .footer-links h5,
    .footer-contact h5 {
      font-size: 16px;
      font-weight: 700;
      color: var(--heading);
      margin-bottom: 18px;
      position: relative;
      display: inline-block;
    }
    .footer-links h5::after,
    .footer-contact h5::after {
      content: '';
      display: block;
      width: 24px;
      height: 2px;
      background: var(--accent);
      margin-top: 6px;
    }
    .footer-links ul {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .footer-links ul li {
      margin-bottom: 12px;
    }
    .footer-links ul li a {
      color: var(--muted);
      font-size: 15px;
      text-decoration: none;
      transition: color .2s, padding-left .2s;
    }
    .footer-links ul li a:hover {
      color: var(--primary);
      padding-left: 6px;
    }
    .footer-contact-item {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 12px;
      color: var(--muted);
      font-size: 15px;
    }
    .footer-contact-item i {
      color: var(--primary);
      width: 18px;
      text-align: center;
    }
    .footer-bottom {
      display: flex;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
      padding-top: 24px;
      color: var(--muted);
      font-size: 14px;
    }
    .footer-bottom a {
      color: var(--muted);
      text-decoration: none;
    }
    .footer-bottom a:hover {
      color: var(--primary);
    }

    /* 移动端断点 */
    @media (max-width: 992px) {
      .section-padding,
      .flow-area,
      .alt-area {
        padding: 60px 0;
      }
      .footer-top {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
      }
      .process-wrap {
        grid-template-columns: 1fr 1fr;
      }
      .method-card {
        grid-template-columns: 1fr;
        gap: 36px;
        padding: 32px;
      }
      .scene-grid {
        grid-template-columns: 1fr 1fr;
      }
    }
    @media (max-width: 768px) {
      .header-row {
        flex-direction: column;
        align-items: flex-start;
      }
      .header-search {
        width: 100%;
      }
      .header-cta {
        display: none;
      }
      .page-hero {
        padding: 50px 0 40px;
      }
      .page-hero h1 {
        font-size: 30px;
      }
      .page-hero .sub-text {
        font-size: 16px;
      }
      .alt-item {
        grid-template-columns: 1fr;
        gap: 28px;
        margin-bottom: 42px;
      }
      .alt-item:nth-child(even) {
        direction: ltr;
      }
      .scene-grid {
        grid-template-columns: 1fr;
      }
      .section-title {
        font-size: 24px;
      }
      .footer-top {
        grid-template-columns: 1fr;
        gap: 28px;
      }
      .container {
        padding: 0 16px;
      }
      .cta-inner {
        padding: 32px 28px;
      }
    }
    @media (max-width: 576px) {
      .process-wrap {
        grid-template-columns: 1fr;
      }
      .method-list li {
        font-size: 14px;
      }
      .footer-bottom {
        flex-direction: column;
        align-items: center;
        text-align: center;
      }
      .section-padding,
      .flow-area,
      .alt-area {
        padding: 46px 0;
      }
      .method-card {
        padding: 24px;
      }
      .footer-top {
        gap: 24px;
      }
      .brand-badge {
        display: none;
      }
    }

/* roulang page: category3 */
:root {
  --bg: #F4FAFD;
  --surface: #FFFFFF;
  --surface-soft: #EAF3F8;
  --primary: #0F7399;
  --primary-strong: #0B5C7F;
  --primary-soft: #DAEDF4;
  --accent: #DFA73A;
  --text: #203A4A;
  --heading: #102A3A;
  --muted: #6A8495;
  --border: #DCECF3;
  --shadow-sm: 0 6px 16px rgba(15, 115, 153, 0.06);
  --shadow-md: 0 14px 30px rgba(15, 115, 153, 0.10);
  --shadow-panel: 0 4px 0 0 #D2E6EE;
  --radius: 14px;
  --radius-lg: 20px;
  --container: 1180px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: color .2s ease, background .2s ease, box-shadow .2s ease, border-color .2s ease;
}

p {
  margin-top: 0;
}

h1, h2, h3, h4, h5 {
  color: var(--heading);
  margin-bottom: .5em;
}

.container {
  max-width: var(--container);
  padding-left: 20px;
  padding-right: 20px;
}

input,
select,
textarea {
  font-family: inherit;
}

/* ===== Buttons ===== */
.btn-major {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  color: #fff;
  border: 1px solid transparent;
  padding: 12px 22px;
  border-radius: 8px;
  font-weight: 600;
  line-height: 1.4;
  transition: background .2s, transform .2s, box-shadow .2s;
}

.btn-major i {
  margin-left: 8px;
}

.btn-major:hover,
.btn-major:focus {
  background: var(--primary-strong);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 10px 20px rgba(15, 115, 153, 0.16);
  outline: none;
}

.btn-light-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--surface);
  color: var(--primary);
  border: 1px solid var(--border);
  padding: 12px 22px;
  border-radius: 8px;
  font-weight: 600;
  line-height: 1.4;
  transition: background .2s, border-color .2s, transform .2s, box-shadow .2s;
}

.btn-light-outline:hover,
.btn-light-outline:focus {
  background: var(--primary-soft);
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(15, 115, 153, .10);
  outline: none;
}

/* ===== Header ===== */
.site-header {
  background: var(--surface);
  box-shadow: 0 2px 10px rgba(15, 115, 153, 0.04);
  position: relative;
  z-index: 1030;
}

.top-header {
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}

.header-cluster {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

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

.logo-mark {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 22px;
  font-weight: 800;
  font-family: Arial, system-ui, sans-serif;
  box-shadow: 0 5px 12px rgba(15, 115, 153, .2);
}

.logo-text {
  font-size: 24px;
  font-weight: 700;
  color: var(--heading);
  font-family: Arial, system-ui, sans-serif;
  letter-spacing: -0.3px;
}

.logo-suffix {
  font-size: 13px;
  color: var(--muted);
  font-weight: 500;
  margin-left: 6px;
  padding-left: 12px;
  border-left: 1px solid var(--border);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  letter-spacing: .2px;
}

.header-tools {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-search {
  display: flex;
  align-items: center;
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 0 12px;
  height: 42px;
  border-radius: 8px;
  color: var(--muted);
  width: 260px;
  transition: border-color .2s, box-shadow .2s, background .2s;
}

.header-search:focus-within {
  background: var(--surface);
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(15, 115, 153, .08);
}

.header-search input {
  border: 0;
  outline: 0;
  padding: 0 10px;
  flex: 1;
  background: transparent;
  color: var(--text);
  font-size: 14px;
  width: 100%;
}

.header-search i {
  color: var(--muted);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  background: var(--primary);
  color: #fff;
  padding: 9px 18px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 14px;
  border: 1px solid transparent;
  transition: background .2s, transform .2s;
  white-space: nowrap;
}

.header-cta:hover,
.header-cta:focus {
  background: var(--primary-strong);
  color: #fff;
  transform: translateY(-1px);
}

/* ===== Main navigation ===== */
.main-nav {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1020;
}

.main-nav .container {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  white-space: nowrap;
  scrollbar-width: none;
  padding-top: 6px;
  padding-bottom: 6px;
}

.main-nav .container::-webkit-scrollbar {
  display: none;
}

.nav-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 8px 8px 0 0;
  color: var(--text);
  font-weight: 500;
  font-size: 15px;
  transition: background .2s, color .2s;
  border-bottom: 3px solid transparent;
}

.nav-item i {
  font-size: 14px;
  color: var(--muted);
}

.nav-item:hover {
  background: var(--primary-soft);
  color: var(--primary);
}

.nav-item.active {
  background: var(--primary-soft);
  color: var(--primary);
  font-weight: 600;
  border-bottom-color: var(--primary);
  position: relative;
}

.nav-item.active::after {
  content: "";
  width: 6px;
  height: 6px;
  margin-left: 2px;
  background: var(--primary);
  border-radius: 2px;
  box-shadow: 7px 0 rgba(15, 115, 153, .30), -7px 0 rgba(15, 115, 153, .30), 0 7px rgba(15,115,153,.30), 0 -7px rgba(15,115,153,.30);
  transform: translateY(-6px);
}

/* ===== Hero ===== */
.page-hero {
  position: relative;
  padding: 76px 0 70px;
  background:
    linear-gradient(rgba(244, 250, 253, .85), rgba(244, 250, 253, .94)),
    url("/assets/images/backpic/back-1.webp") center / cover no-repeat;
  background-color: #D9EBF3;
  border-bottom: 1px solid var(--border);
}

.resource-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  gap: 36px;
  align-items: center;
}

.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 30px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 18px;
}

.hero-label i {
  color: var(--accent);
}

.page-hero h1 {
  font-size: 44px;
  line-height: 1.25;
  font-weight: 700;
  margin-bottom: 14px;
  letter-spacing: -0.4px;
}

.hero-lead {
  font-size: 17px;
  line-height: 1.8;
  color: var(--muted);
  margin-bottom: 26px;
  max-width: 640px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-proof {
  display: flex;
  gap: 14px;
  margin-top: 30px;
  flex-wrap: wrap;
}

.proof-chip {
  background: rgba(255,255,255,.75);
  border: 1px solid var(--border);
  padding: 8px 14px;
  border-radius: 10px;
  color: var(--muted);
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.proof-chip strong {
  color: var(--primary);
  font-size: 18px;
}

.hero-directory {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-panel);
  padding: 28px;
}

.hero-directory h3 {
  font-size: 18px;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
}

.hero-directory h3:before {
  content: "";
  width: 5px;
  height: 20px;
  border-radius: 4px;
  background: var(--accent);
  display: inline-block;
}

.dir-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  margin-bottom: 10px;
  background: var(--surface);
  color: var(--text);
  font-weight: 500;
  transition: transform .2s, box-shadow .2s, border-color .2s, background .2s;
}

.dir-link i {
  color: var(--primary);
}

.dir-link:hover,
.dir-link:focus {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
  border-color: var(--primary);
  color: var(--primary);
  background: #FBFEFF;
  outline: none;
}

.dir-link.current-page {
  background: var(--surface-soft);
  border-color: var(--primary);
  color: var(--primary);
}

.dir-link .dir-tag {
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 5px;
}

/* ===== Sections ===== */
.section-block {
  padding: 84px 0;
}

.section-block-alt {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-head {
  margin-bottom: 34px;
}

.section-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--primary);
  font-weight: 600;
  letter-spacing: .2px;
  margin-bottom: 8px;
}

.section-kicker:before {
  content: "";
  width: 15px;
  height: 2px;
  background: var(--accent);
}

.section-head h2 {
  font-size: 30px;
  line-height: 1.4;
  margin-bottom: 8px;
}

.section-head-desc {
  color: var(--muted);
  font-size: 16px;
  max-width: 720px;
}

.image-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-panel);
  background: var(--surface-soft);
}

.image-frame img {
  width: 100%;
  object-fit: cover;
  display: block;
  min-height: 260px;
}

/* ===== Intro / guide overview ===== */
.guide-overview {
  display: grid;
  gap: 14px;
  margin-top: 10px;
}

.overview-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 18px 18px;
  transition: transform .2s, box-shadow .2s;
}

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

.overview-9 {
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  background: var(--primary-soft);
  color: var(--primary);
  border-radius: 9px;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: Arial, sans-serif;
  box-shadow: inset 0 0 0 1px rgba(15,115,153,.08);
}

.overview-item h4 {
  margin: 0 0 4px;
  font-size: 17px;
}

.overview-item p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

/* ===== Segment cards ===== */
.seg-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 26px;
  height: 100%;
  transition: transform .2s, box-shadow .2s;
  position: relative;
}

.seg-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.seg-icon {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  background: var(--primary-soft);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 14px;
}

.seg-card h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.seg-card p {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 14px;
}

.static-link {
  color: var(--primary);
  font-weight: 600;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.static-link i {
  font-size: 13px;
}

.static-link:hover {
  color: var(--primary-strong);
  text-decoration: underline;
}

/* ===== Steps ===== */
.steps-wrap {
  display: block;
  list-style: none;
  padding: 0;
  margin: 0;
}

.steps-wrap li {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 20px;
  padding: 22px 0;
  border-bottom: 1px dashed var(--border);
}

.steps-wrap li:last-child {
  border-bottom: 0;
}

.step-no {
  width: 52px;
  height: 52px;
  background: var(--surface);
  border: 1px solid var(--primary);
  box-shadow: inset 0 0 0 3px var(--primary-soft);
  border-radius: 50%;
  color: var(--primary);
  font-size: 17px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.step-content h3 {
  font-size: 18px;
  margin-bottom: 5px;
}

.step-content p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

/* ===== FAQ / suggestion two columns ===== */
.faq-column h2 {
  font-size: 30px;
  line-height: 1.35;
  margin-bottom: 16px;
}

.faq-column .faq-note {
  color: var(--muted);
  margin-bottom: 24px;
}

.resource-aside {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-panel);
  padding: 28px;
}

.resource-aside h3 {
  font-size: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}

.resource-aside h3 i {
  color: var(--accent);
}

.aside-nav-list {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
}

.aside-nav-list li {
  border-top: 1px solid var(--border);
}

.aside-nav-list li:first-child {
  border-top: 0;
}

.aside-nav-list a {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  padding: 13px 2px;
  font-weight: 500;
  font-size: 15px;
}

.aside-nav-list a span {
  color: var(--muted);
  font-weight: 400;
  font-size: 13px;
}

.aside-nav-list a i {
  color: var(--primary);
  margin-left: auto;
}

.aside-nav-list a:hover {
  color: var(--primary);
}

.aside-contact {
  border-top: 1px dashed var(--border);
  padding-top: 22px;
  margin-top: 8px;
}

.aside-contact h4 {
  font-size: 17px;
}

.contact-single-line {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 10px;
}

.contact-single-line i {
  color: var(--primary);
}

.contact-single-line a {
  color: var(--muted);
}

.contact-single-line a:hover {
  color: var(--primary);
}

/* ===== Accordion ===== */
.accordion {
  --bs-accordion-border-width: 0;
  --bs-accordion-btn-focus-box-shadow: none;
  --bs-accordion-active-bg: white;
}

.accordion-item {
  border: 1px solid var(--border) !important;
  border-radius: var(--radius) !important;
  margin-bottom: 12px;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.accordion-button {
  font-size: 16px;
  background: var(--surface);
  color: var(--heading);
  font-weight: 600;
  padding: 18px 20px;
  transition: background .2s, color .2s;
}

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

.accordion-button:focus {
  box-shadow: 0 0 0 4px rgba(15,115,153,.08);
}

.accordion-body {
  padding: 18px 20px 20px;
  color: var(--text);
  border-top: 1px solid var(--border);
  background: var(--surface);
  font-size: 15px;
  line-height: 1.8;
}

/* ===== CTA ===== */
.cta-section {
  padding: 64px 0 90px;
}

.cta-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: var(--shadow-md);
  padding: 34px;
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  gap: 34px;
  align-items: center;
}

.cta-panel h2 {
  font-size: 28px;
  line-height: 1.4;
  margin-bottom: 12px;
}

.cta-panel p {
  color: var(--muted);
  margin-bottom: 18px;
}

.consult-form {
  display: grid;
  gap: 16px;
}

.consult-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.field-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--heading);
  margin-bottom: 6px;
  display: block;
}

.form-control-custom {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 14px;
  outline: none;
  transition: border-color .2s, box-shadow .2s, background .2s;
}

.form-control-custom:focus {
  background: var(--surface);
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(15, 115, 153, .08);
}

.form-select-custom {
  width: 100%;
  background-color: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 14px;
  color: var(--text);
  outline: none;
}

.form-select-custom:focus {
  border-color: var(--primary);
  background: var(--surface);
}

.cta-note {
  font-size: 13px;
  color: var(--muted);
  margin-top: 4px;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--surface);
  border-top: 4px solid var(--primary);
  padding: 56px 0 0;
}

.footer-container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.2fr .8fr .9fr;
  gap: 36px;
  padding-bottom: 36px;
}

.footer-brand .brand-logo {
  margin-bottom: 12px;
}

.brand-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.brand-row .logo-mark {
  width: 30px;
  height: 30px;
  font-size: 19px;
}

.brand-row .logo-text {
  font-size: 22px;
}

.footer-brand p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
  max-width: 380px;
  margin: 0;
}

.footer-links h5,
.footer-contact h5 {
  font-size: 16px;
  margin-bottom: 14px;
}

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

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

.footer-links a {
  color: var(--muted);
  font-size: 14px;
  transition: color .2s, padding-left .2s;
}

.footer-links a:hover {
  color: var(--primary);
  padding-left: 4px;
}

.footer-contact {
  color: var(--muted);
  font-size: 14px;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 9px;
}

.footer-contact-item i {
  color: var(--primary);
  margin-top: 4px;
}

.footer-contact-item a,
.footer-contact-item span {
  color: var(--muted);
  word-break: break-all;
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 18px 0 22px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 13px;
  flex-wrap: wrap;
}

.footer-bottom a {
  color: var(--muted);
}

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

/* ===== Responsive ===== */
@media (max-width: 992px) {
  .resource-hero-grid {
    grid-template-columns: 1fr;
    gap: 26px;
  }

  .page-hero {
    padding: 56px 0 58px;
  }

  .page-hero h1 {
    font-size: 36px;
  }

  .section-block {
    padding: 66px 0;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .header-cluster {
    justify-content: flex-start;
  }

  .header-search {
    width: 100%;
    order: 3;
  }

  .header-cta {
    margin-left: auto;
  }

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

  .hero-actions,
  .hero-actions .btn-major,
  .hero-actions .btn-light-outline {
    width: 100%;
  }

  .section-head h2,
  .faq-column h2 {
    font-size: 24px;
  }

  .section-block {
    padding: 52px 0;
  }

  .steps-wrap li {
    grid-template-columns: 48px 1fr;
    gap: 12px;
    padding: 18px 0;
  }

  .step-no {
    width: 44px;
    height: 44px;
    font-size: 15px;
  }

  .cta-panel {
    grid-template-columns: 1fr;
    padding: 24px;
    gap: 24px;
  }

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

  .footer-top {
    grid-template-columns: 1fr;
    gap: 26px;
  }

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

  .resource-aside {
    padding: 22px;
  }
}

@media (max-width: 576px) {
  .top-header {
    padding: 12px 0;
  }

  .logo-text {
    font-size: 20px;
  }

  .logo-suffix {
    display: none;
  }

  .header-cta {
    font-size: 13px;
    padding: 8px 14px;
  }

  .main-nav .nav-item {
    font-size: 14px;
    padding: 9px 12px;
  }

  .page-hero h1 {
    font-size: 27px;
  }

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

  .hero-proof {
    gap: 8px;
  }

  .proof-chip {
    width: calc(50% - 4px);
  }

  .proof-chip strong {
    font-size: 16px;
  }

  .section-head h2 {
    font-size: 22px;
  }

  .seg-card {
    padding: 20px;
  }

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

  .cta-panel {
    padding: 20px;
    border-radius: 18px;
  }

  .cta-panel h2 {
    font-size: 22px;
  }

  .btn-major,
  .btn-light-outline {
    width: 100%;
  }
}