/* roulang page: index */
:root{
  --primary:#0B69D4;
  --primary-dark:#0956ac;
  --green:#12C2A0;
  --amber:#FF8A3D;
  --indigo:#4A5FD6;
  --dark:#0B1B33;
  --bg:#F6F9FD;
  --card:#FFFFFF;
  --border:#E6EDF5;
  --text:#0D1B2A;
  --muted:#5B6B7F;
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-sm:0 1px 2px rgba(13,27,42,.06);
  --shadow-md:0 8px 24px -12px rgba(13,27,42,.14);
  --shadow-lg:0 20px 48px -24px rgba(13,27,42,.20);
  --ease:cubic-bezier(.2,.7,.3,1);
  --header-h:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  background-image:radial-gradient(rgba(11,105,212,.075) 1px,transparent 1px);
  background-size:22px 22px;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--primary-dark)}
h1,h2,h3,h4{margin:0 0 .5em;font-weight:700;color:var(--text);line-height:1.3}
h1{font-size:clamp(30px,4.4vw,52px);line-height:1.2}
h2{font-size:clamp(24px,3vw,36px)}
h3{font-size:20px;font-weight:600}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(11,105,212,.35);outline-offset:2px;border-radius:6px}
.container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto}
.row{--bs-gutter-x:24px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ============ 按钮 ============ */
.btn-main,.btn-ghost,.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;
  padding:14px 26px;border-radius:var(--radius-btn);
  border:1.5px solid transparent;cursor:pointer;
  transition:all .2s var(--ease);white-space:nowrap;
}
.btn-main{background:var(--primary);color:#fff;border-color:var(--primary);box-shadow:var(--shadow-sm)}
.btn-main:hover{background:var(--primary-dark);border-color:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-main:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--primary);border-color:var(--primary)}
.btn-ghost:hover{background:rgba(11,105,212,.08);color:var(--primary-dark);transform:translateY(-1px)}
.btn-line{background:transparent;color:var(--primary);padding:12px 4px;border:0}
.btn-line i{transition:transform .2s var(--ease)}
.btn-line:hover i{transform:translateX(4px)}
.btn-amber{background:var(--amber);border-color:var(--amber);color:#fff}
.btn-amber:hover{background:#f07a2b;border-color:#f07a2b;color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-full{width:100%}

/* ============ 头部导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  height:var(--header-h);
  background:rgba(255,255,255,.62);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(230,237,245,.85);
  transition:height .25s var(--ease),background .25s var(--ease),box-shadow .25s var(--ease);
}
.site-header.scrolled{height:64px;background:rgba(255,255,255,.94);box-shadow:var(--shadow-md)}
.hd-inner{height:100%;display:flex;align-items:center;gap:32px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;border-radius:10px;flex:0 0 36px;
  background:var(--primary);color:#fff;font-weight:700;font-size:17px;
  display:flex;align-items:center;justify-content:center;letter-spacing:0;
}
.brand-text{font-size:17px;font-weight:700;color:var(--text);letter-spacing:.3px}
.brand:hover .brand-text{color:var(--primary)}
.main-nav{display:flex;align-items:center;gap:28px;margin-left:auto}
.main-nav .nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--text);
  padding:6px 0;background:none;border:0;
}
.main-nav .nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--primary);transition:width .22s var(--ease);border-radius:2px;
}
.main-nav .nav-link:hover{color:var(--primary)}
.main-nav .nav-link:hover::after{width:100%}
.main-nav .nav-link.active{color:var(--primary)}
.main-nav .nav-link.active::after{width:100%}
.hd-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.icon-btn{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--border);
  background:#fff;color:var(--muted);display:flex;align-items:center;justify-content:center;
  cursor:pointer;transition:all .2s var(--ease);
}
.icon-btn:hover{color:var(--primary);border-color:rgba(11,105,212,.35);background:rgba(11,105,212,.06)}
.btn-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 22px;border-radius:999px;
  background:var(--amber);color:#fff;font-size:15px;font-weight:600;
  transition:all .2s var(--ease);
}
.btn-cta:hover{background:#f07a2b;color:#fff;box-shadow:var(--shadow-md);transform:translateY(-1px)}
.burger{display:none;width:40px;height:40px;border:1px solid var(--border);background:#fff;border-radius:10px;cursor:pointer;padding:9px 9px;flex-direction:column;justify-content:space-between}
.burger span{display:block;height:2px;background:var(--text);border-radius:2px;transition:all .25s var(--ease)}
.burger.open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ============ Hero ============ */
.hero{
  position:relative;padding:calc(var(--header-h) + 66px) 0 84px;
  background-color:#EEF5FF;
  background-image:linear-gradient(rgba(238,245,255,.92),rgba(238,245,255,.92)),
    url('/assets/images/backpic/back-1.png'),
    linear-gradient(rgba(11,105,212,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(11,105,212,.05) 1px,transparent 1px);
  background-size:cover,cover,26px 26px,26px 26px;
  background-position:center,center top,0 0,0 0;
  overflow:hidden;
}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;
  background:rgba(11,105,212,.1);color:var(--primary);
  font-size:13px;font-weight:600;margin-bottom:20px;
}
.hero-tag i{font-size:12px}
.hero h1{margin-bottom:16px;letter-spacing:-.5px}
.hero h1 em{font-style:normal;color:var(--primary)}
.hero-sub{font-size:17px;color:var(--muted);margin-bottom:22px;max-width:30em}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;margin-bottom:30px}
.hero-points li{position:relative;padding-left:22px;font-size:15px;color:var(--text)}
.hero-points li::before{
  content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;border-radius:3px;
  background:var(--green);
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  border-radius:var(--radius-card);box-shadow:var(--shadow-lg);
  border:1px solid rgba(255,255,255,.7);
}
.hero-visual::after{
  content:"";position:absolute;inset:0;border-radius:var(--radius-card);
  background:rgba(255,255,255,.06);pointer-events:none;
}
.hero-float{
  position:absolute;left:-22px;bottom:-28px;
  background:#fff;border-radius:16px;box-shadow:var(--shadow-lg);
  padding:18px 22px;min-width:224px;
  display:grid;gap:12px;
}
.hero-float .fl-row{display:flex;align-items:center;gap:12px}
.hero-float .fl-ico{
  width:34px;height:34px;border-radius:10px;flex:0 0 34px;
  display:flex;align-items:center;justify-content:center;font-size:14px;
}
.fl-ico.blue{background:rgba(11,105,212,.1);color:var(--primary)}
.fl-ico.green{background:rgba(18,194,160,.12);color:#0e9c81}
.hero-float .fl-num{font-size:18px;font-weight:700;line-height:1.2}
.hero-float .fl-lab{font-size:12.5px;color:var(--muted);line-height:1.4}

/* ============ 通用区块 ============ */
.section{padding:92px 0}
.section.alt{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.sec-head{max-width:760px;margin-bottom:48px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-kicker{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:1.4px;
  color:var(--primary);text-transform:uppercase;margin-bottom:12px;
}
.sec-head h2{margin-bottom:14px}
.sec-head p{color:var(--muted);font-size:16px;margin:0}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px}

/* ============ 指标看板 ============ */
.kpi-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  box-shadow:var(--shadow-md);padding:26px 24px 22px;height:100%;
  display:flex;flex-direction:column;gap:10px;position:relative;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.kpi-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.kpi-card::before{content:"";position:absolute;left:24px;top:0;width:34px;height:2px;background:var(--primary);border-radius:2px}
.kpi-label{font-size:13px;color:var(--muted);margin-top:6px}
.kpi-value{font-size:clamp(38px,4vw,50px);font-weight:700;line-height:1;letter-spacing:-1px}
.kpi-value small{font-size:15px;font-weight:600;color:var(--muted);margin-left:4px;letter-spacing:0}
.kpi-desc{font-size:13.5px;color:var(--muted);line-height:1.6}
.kpi-bar{height:2px;border-radius:2px;background:var(--border);overflow:hidden;margin-top:auto}
.kpi-bar span{display:block;height:100%;background:var(--primary);border-radius:2px}
.kpi-bar span.green{background:var(--green)}
.kpi-badge{
  position:absolute;right:20px;bottom:18px;
  font-size:12px;font-weight:700;padding:3px 10px;border-radius:999px;
}
.badge-up{background:rgba(18,194,160,.12);color:#0e9c81}
.badge-flat{background:rgba(255,138,61,.14);color:#d96b1f}
.kpi-note{font-size:13px;color:var(--muted);margin-top:22px;text-align:right}

/* ============ 服务矩阵 ============ */
.svc-main{
  background:var(--dark);color:#fff;border-radius:var(--radius-card);
  padding:38px 36px;height:100%;display:flex;flex-direction:column;
  border:1px solid rgba(255,255,255,.06);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.svc-main:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.svc-main h3{color:#fff;font-size:24px;margin-bottom:12px}
.svc-main p{color:rgba(255,255,255,.72);font-size:15px;max-width:34em}
.svc-main ul{margin:18px 0 26px;display:grid;gap:10px}
.svc-main ul li{font-size:14.5px;color:rgba(255,255,255,.86);padding-left:20px;position:relative}
.svc-main ul li::before{content:"";position:absolute;left:2px;top:.7em;width:7px;height:7px;border-radius:2px;background:var(--green)}
.svc-main .svc-foot{margin-top:auto;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.svc-main .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.svc-main .btn-ghost:hover{background:rgba(255,255,255,.1);border-color:#fff;color:#fff}
.svc-mini{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  box-shadow:var(--shadow-md);overflow:hidden;display:flex;gap:18px;padding:18px;
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.svc-mini:hover{transform:translateY(-4px);border-color:rgba(11,105,212,.3);box-shadow:var(--shadow-lg)}
.svc-mini img{width:104px;height:104px;object-fit:cover;border-radius:var(--radius-img);flex:0 0 104px}
.svc-mini h3{font-size:18px;margin-bottom:6px}
.svc-mini p{font-size:14px;color:var(--muted);margin:0 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.svc-strip{
  display:flex;align-items:center;gap:16px;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  padding:20px 22px;height:100%;
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.svc-strip:hover{transform:translateY(-4px);border-color:rgba(11,105,212,.3);box-shadow:var(--shadow-md)}
.svc-strip .st-ico{
  width:44px;height:44px;flex:0 0 44px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;font-size:17px;
  background:rgba(11,105,212,.1);color:var(--primary);
}
.svc-strip h3{font-size:16.5px;margin-bottom:4px}
.svc-strip p{font-size:13.5px;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.svc-strip .st-arrow{margin-left:auto;color:var(--primary);font-size:14px;transition:transform .2s var(--ease)}
.svc-strip:hover .st-arrow{transform:translateX(4px)}
.mt-24{margin-top:24px}

/* ============ 结果对比 ============ */
.cmp-wrap{display:grid;grid-template-columns:1fr 56px 1fr;align-items:stretch;gap:0}
.cmp-card{border-radius:var(--radius-card);padding:32px 30px;height:100%}
.cmp-before{background:#EDF1F6;border:1px solid #DFE7F0;color:var(--muted)}
.cmp-after{background:#fff;border:1.5px solid var(--primary);box-shadow:var(--shadow-md);position:relative}
.cmp-after .cmp-flag{
  position:absolute;top:-13px;right:26px;background:var(--primary);color:#fff;
  font-size:12.5px;font-weight:700;padding:5px 14px;border-radius:999px;
}
.cmp-card h3{font-size:19px;margin-bottom:20px}
.cmp-before h3{color:#5B6B7F}
.cmp-after h3{color:var(--text)}
.cmp-list{display:grid;gap:14px}
.cmp-list li{display:flex;justify-content:space-between;gap:16px;font-size:14.5px;border-bottom:1px dashed rgba(13,27,42,.1);padding-bottom:12px}
.cmp-list li:last-child{border-bottom:0;padding-bottom:0}
.cmp-list li span:first-child{color:inherit;flex:0 0 auto}
.cmp-list li span:last-child{text-align:right;font-weight:600}
.cmp-before .cmp-list li span:last-child{color:#7A8798}
.cmp-after .cmp-list li span:last-child{color:#0e9c81}
.cmp-mid{display:flex;align-items:center;justify-content:center;position:relative}
.cmp-mid::before{
  content:"";position:absolute;top:12%;bottom:12%;left:50%;
  border-left:2px dashed rgba(11,105,212,.35);
}
.cmp-mid i{
  position:relative;z-index:1;width:42px;height:42px;border-radius:50%;
  background:#fff;border:1px solid var(--border);box-shadow:var(--shadow-sm);
  display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:15px;
}

/* ============ 最新信息（CMS） ============ */
.news-lead{
  display:grid;grid-template-columns:340px 1fr;gap:0;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-md);
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.news-lead:hover{transform:translateY(-2px);border-color:rgba(11,105,212,.3);box-shadow:var(--shadow-lg)}
.news-lead .nl-fig{overflow:hidden}
.news-lead img{width:100%;height:100%;min-height:250px;object-fit:cover;transition:transform .35s var(--ease)}
.news-lead:hover img{transform:scale(1.03)}
.news-lead .nl-body{padding:30px 34px;display:flex;flex-direction:column;gap:12px}
.news-lead h3{font-size:22px;line-height:1.45;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-lead h3 a{color:var(--text)}
.news-lead h3 a:hover{color:var(--primary)}
.news-lead p{font-size:15px;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;font-size:13px;color:var(--muted);margin-top:auto}
.news-list{display:grid;gap:14px}
.news-row{
  display:flex;align-items:center;gap:18px;
  background:#fff;border:1px solid var(--border);border-radius:14px;
  padding:18px 22px;box-shadow:var(--shadow-sm);
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.news-row:hover{transform:translateY(-2px);border-color:rgba(11,105,212,.3);box-shadow:var(--shadow-md)}
.news-row .nr-ico{
  width:38px;height:38px;flex:0 0 38px;border-radius:11px;
  background:rgba(11,105,212,.08);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:14px;
}
.news-row h3{font-size:16.5px;font-weight:600;margin:0 0 4px;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.news-row h3 a{color:var(--text)}
.news-row h3 a:hover{color:var(--primary)}
.news-row .nr-sum{font-size:13.5px;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.news-row .nr-arrow{margin-left:auto;color:var(--primary);font-size:14px;flex:0 0 auto}
.badge-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;font-size:12.5px;font-weight:600;white-space:nowrap;
}
.badge-blue{background:rgba(11,105,212,.1);color:var(--primary)}
.badge-green{background:rgba(18,194,160,.12);color:#0e9c81}
.badge-amber{background:rgba(255,138,61,.14);color:#d96b1f}
.badge-indigo{background:rgba(74,95,214,.12);color:#3d50bd}
.empty-state{
  min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:10px;background:#fff;border:1px dashed var(--border);border-radius:var(--radius-card);
  text-align:center;padding:32px;
}
.empty-state i{font-size:30px;color:rgba(11,105,212,.4)}
.empty-state strong{font-size:16px;font-weight:600}
.empty-state span{font-size:14px;color:var(--muted)}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:52px;align-items:start}
.faq-side p{color:var(--muted);font-size:15px;margin-bottom:22px}
.faq-contact{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  padding:22px 24px;box-shadow:var(--shadow-sm);
}
.faq-contact .fc-row{display:flex;align-items:center;gap:12px;font-size:14px;color:var(--text);margin-bottom:12px}
.faq-contact .fc-row:last-child{margin-bottom:0}
.faq-contact i{color:var(--primary);width:18px;text-align:center}
.acc{display:grid;gap:12px}
.acc-item{
  background:#fff;border:1px solid var(--border);border-radius:12px;overflow:hidden;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.acc-item.open{border-color:rgba(11,105,212,.35);box-shadow:var(--shadow-md)}
.acc-btn{
  width:100%;display:flex;align-items:center;gap:14px;text-align:left;
  background:none;border:0;padding:18px 22px;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--text);line-height:1.6;
  transition:color .2s var(--ease);
}
.acc-item.open .acc-btn{color:var(--primary)}
.acc-btn .acc-bar{width:3px;height:18px;border-radius:3px;background:var(--border);flex:0 0 3px;transition:background .2s var(--ease)}
.acc-item.open .acc-btn .acc-bar{background:var(--primary)}
.acc-btn .acc-sign{margin-left:auto;color:var(--muted);font-size:14px;transition:transform .25s var(--ease),color .2s var(--ease)}
.acc-item.open .acc-sign{transform:rotate(180deg);color:var(--primary)}
.acc-body{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.acc-body p{padding:0 22px 20px 39px;margin:0;font-size:15px;line-height:1.85;color:var(--muted)}

/* ============ 表单 / CTA ============ */
.cta-band{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  box-shadow:var(--shadow-md);padding:48px;display:grid;grid-template-columns:.9fr 1.1fr;gap:52px;align-items:start;
}
.cta-band h2{margin-bottom:14px}
.cta-band .cb-desc{color:var(--muted);font-size:15px;margin-bottom:24px}
.cb-points{display:grid;gap:12px}
.cb-points li{display:flex;gap:12px;font-size:14.5px;color:var(--text)}
.cb-points i{color:var(--green);margin-top:.35em}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--text);margin-bottom:8px}
.field .req{color:var(--amber)}
.form-control,.form-select{
  width:100%;height:48px;border:1px solid var(--border);border-radius:var(--radius-btn);
  padding:0 14px;font-size:15px;color:var(--text);background:#FBFDFF;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
  box-shadow:none;
}
textarea.form-control{height:auto;min-height:118px;padding:12px 14px;line-height:1.7;resize:vertical}
.form-control:focus,.form-select:focus{
  border-color:var(--primary);background:#fff;
  box-shadow:0 0 0 3px rgba(11,105,212,.22);outline:none;
}
.form-control::placeholder{color:#9AA7B6}
.form-note{font-size:12.5px;color:var(--muted);margin-top:12px;line-height:1.7}
.form-msg{
  display:none;margin-top:16px;padding:14px 16px;border-radius:var(--radius-btn);
  background:rgba(18,194,160,.1);color:#0d8a72;font-size:14px;font-weight:600;
}
.form-msg.show{display:block}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:0}
.ft-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px;padding-bottom:52px}
.ft-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.ft-brand .brand-mark{background:var(--primary)}
.ft-brand .brand-text{color:#fff}
.ft-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);margin-bottom:18px}
.ft-contact li{font-size:14px;color:rgba(255,255,255,.72);display:flex;gap:10px;margin-bottom:10px}
.ft-contact i{color:var(--green);margin-top:.4em;width:16px;text-align:center}
.site-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px;letter-spacing:.4px}
.ft-links li{margin-bottom:11px}
.ft-links a{font-size:14px;color:rgba(255,255,255,.66)}
.ft-links a:hover{color:#fff}
.ft-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0;
  display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}
.ft-bottom .ft-tech{font-size:13px;color:rgba(255,255,255,.45)}

/* ============ 入场动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  *{transition-duration:.001ms!important;animation-duration:.001ms!important}
}

/* ============ 响应式 ============ */
@media (max-width:1399.98px){
  .container{max-width:1200px}
}
@media (max-width:1199.98px){
  .section{padding:80px 0}
  .hero-inner{gap:40px}
  .news-lead{grid-template-columns:290px 1fr}
}
@media (max-width:991.98px){
  .main-nav{
    position:fixed;top:var(--header-h);left:0;right:0;
    display:flex;flex-direction:column;align-items:stretch;gap:0;
    background:rgba(255,255,255,.96);
    -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
    border-bottom:1px solid var(--border);box-shadow:var(--shadow-md);
    padding:10px 24px 22px;margin-left:0;
    opacity:0;visibility:hidden;transform:translateY(-12px);
    transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s;
  }
  .main-nav.open{opacity:1;visibility:visible;transform:none}
  .main-nav .nav-link{padding:16px 0;font-size:17px;border-bottom:1px solid var(--border);width:100%}
  .main-nav .nav-link::after{display:none}
  .main-nav .nav-link.active{color:var(--primary)}
  .burger{display:flex}
  .icon-btn{display:none}
  .btn-cta{display:none}
  .hd-inner{gap:16px}
  .main-nav.mobile-cta-wrap{padding-bottom:22px}
  .hero{padding:calc(var(--header-h) + 44px) 0 72px}
  .hero-inner{grid-template-columns:1fr;gap:56px}
  .hero-float{left:auto;right:16px;bottom:-30px;min-width:200px}
  .section{padding:64px 0}
  .faq-grid{grid-template-columns:1fr;gap:36px}
  .cta-band{grid-template-columns:1fr;gap:34px;padding:34px}
  .ft-grid{grid-template-columns:1fr 1fr;gap:34px}
  .cmp-wrap{grid-template-columns:1fr;gap:22px}
  .cmp-mid::before{display:none}
  .cmp-mid i{transform:rotate(90deg)}
  .news-lead{grid-template-columns:1fr}
  .news-lead img{min-height:200px;aspect-ratio:16/9}
}
@media (max-width:767.98px){
  body{font-size:15.5px}
  .section{padding:56px 0}
  .container{padding-left:18px;padding-right:18px}
  .row{--bs-gutter-x:18px}
  .sec-head{margin-bottom:32px}
  .sec-head-row{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:30px}
  .form-row{grid-template-columns:1fr;gap:0}
  .hero h1{font-size:clamp(26px,7vw,34px)}
  .hero-sub{font-size:15.5px}
  .hero-cta .btn-main,.hero-cta .btn-ghost{width:100%}
  .hero-float{position:static;margin-top:18px;box-shadow:var(--shadow-md)}
  .svc-main{padding:28px 22px}
  .svc-mini{flex-direction:column;gap:14px}
  .svc-mini img{width:100%;height:auto;aspect-ratio:16/9;flex:none}
  .svc-strip{align-items:flex-start}
  .news-row{flex-wrap:wrap;gap:12px;padding:16px}
  .news-row .nr-arrow{display:none}
  .cta-band{padding:24px 20px}
  .ft-grid{grid-template-columns:1fr;gap:28px;padding-bottom:34px}
  .ft-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .acc-btn{font-size:15px;padding:16px 18px}
  .acc-body p{padding:0 18px 18px 35px}
  .kpi-card{padding:22px 20px 20px}
  .kpi-card::before{left:20px}
}
@media (max-width:479.98px){
  h2{font-size:22px}
  .kpi-value{font-size:36px}
  .news-lead .nl-body{padding:22px 20px}
  .news-lead h3{font-size:18px}
  .cmp-card{padding:24px 20px}
}

/* roulang page: article */
:root{
  --primary:#0B69D4;
  --primary-dark:#0956AC;
  --primary-soft:rgba(11,105,212,.08);
  --accent:#12C2A0;
  --accent-soft:rgba(18,194,160,.10);
  --amber:#FF8A3D;
  --amber-soft:rgba(255,138,61,.12);
  --indigo:#4A5FD6;
  --indigo-soft:rgba(74,95,214,.10);
  --dark:#0B1B33;
  --bg:#F6F9FD;
  --card:#FFFFFF;
  --line:#E6EDF5;
  --text:#0D1B2A;
  --body-text:#1B2A3D;
  --muted:#5B6B7F;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --sh-sm:0 1px 2px rgba(13,27,42,.06);
  --sh-md:0 8px 24px -12px rgba(13,27,42,.14);
  --sh-lg:0 20px 48px -24px rgba(13,27,42,.20);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--body-text);
  background-color:var(--bg);
  background-image:
    linear-gradient(rgba(11,105,212,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11,105,212,.045) 1px, transparent 1px);
  background-size:34px 34px;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--primary-dark);}
button{font-family:inherit;}
h1,h2,h3,h4{color:var(--text);margin:0;font-weight:700;letter-spacing:.2px;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(11,105,212,.35);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:rgba(255,255,255,.62);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(230,237,245,.9);
  transition:background .25s var(--ease),box-shadow .25s var(--ease);
}
.site-header.scrolled{
  background:rgba(255,255,255,.94);
  box-shadow:var(--sh-md);
}
.hd-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;height:72px;transition:height .25s var(--ease);
}
.site-header.scrolled .hd-inner{height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:11px;
  background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:700;letter-spacing:0;
  box-shadow:var(--sh-sm);
}
.brand-text{font-size:18px;font-weight:700;color:var(--text);white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:28px;}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:#2A3B50;
  padding:6px 0;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--primary);border-radius:2px;transition:width .22s var(--ease);
}
.nav-link:hover{color:var(--primary);}
.nav-link:hover::after{width:100%;}
.nav-link.active{color:var(--primary);font-weight:600;}
.nav-link.active::after{width:100%;}
.hd-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.icon-btn{
  width:40px;height:40px;border-radius:50%;
  border:1px solid var(--line);background:rgba(255,255,255,.8);
  color:#33465C;display:flex;align-items:center;justify-content:center;
  cursor:pointer;transition:all .2s var(--ease);
}
.icon-btn:hover{border-color:rgba(11,105,212,.4);color:var(--primary);box-shadow:var(--sh-sm);}
.btn-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 20px;border-radius:999px;
  background:var(--amber);color:#fff;font-size:15px;font-weight:600;
  border:1px solid var(--amber);box-shadow:var(--sh-sm);
  transition:all .2s var(--ease);
}
.btn-cta:hover{background:#F5781F;border-color:#F5781F;color:#fff;box-shadow:var(--sh-md);transform:translateY(-1px);}
.burger{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid var(--line);background:#fff;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.burger span{display:block;width:18px;height:2px;background:#26374B;border-radius:2px;transition:.22s var(--ease);}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0;}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* 搜索抽屉 */
.search-pop{
  position:fixed;top:72px;left:0;right:0;z-index:1029;
  background:rgba(255,255,255,.96);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);box-shadow:var(--sh-md);
}
.sp-inner{display:flex;align-items:center;gap:14px;padding-top:16px;padding-bottom:16px;}
.sp-inner i{color:var(--muted);}
.sp-inner input{
  flex:1;height:48px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#fff;padding:0 16px;
  font-size:15px;color:var(--text);
}
.sp-inner input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(11,105,212,.18);}

/* ============ 通用按钮 ============ */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:var(--r-btn);
  background:var(--primary);color:#fff;font-size:15px;font-weight:600;
  border:1px solid var(--primary);box-shadow:var(--sh-sm);
  transition:all .2s var(--ease);cursor:pointer;
}
.btn-main:hover{background:var(--primary-dark);border-color:var(--primary-dark);color:#fff;box-shadow:var(--sh-md);transform:translateY(-1px);}
.btn-main:active{transform:translateY(0);}
.btn-main.sm{padding:11px 20px;font-size:14px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:var(--r-btn);
  background:#fff;color:var(--primary);font-size:15px;font-weight:600;
  border:1.5px solid var(--primary);transition:all .2s var(--ease);
}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary-dark);}
.link-more{font-size:15px;font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.link-more i{transition:transform .2s var(--ease);}
.link-more:hover i{transform:translateX(4px);}
.badge-cat{
  display:inline-flex;align-items:center;
  padding:5px 14px;border-radius:999px;
  background:var(--primary-soft);color:var(--primary);
  font-size:13px;font-weight:600;
}
.badge-tag{
  display:inline-flex;align-items:center;
  padding:6px 15px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:#3C4E64;
  font-size:13.5px;transition:all .2s var(--ease);
}
.badge-tag:hover{border-color:rgba(11,105,212,.4);color:var(--primary);background:var(--primary-soft);}

/* ============ 主区域 ============ */
main{padding-top:72px;display:block;}
.page-article{padding:36px 0 88px;}

/* 面包屑 */
.breadcrumb-bar{margin-bottom:22px;}
.breadcrumb-bar ol{
  display:flex;align-items:center;gap:8px;flex-wrap:nowrap;
  overflow-x:auto;white-space:nowrap;
  font-size:14px;color:var(--muted);
  padding-bottom:2px;-ms-overflow-style:none;scrollbar-width:none;
}
.breadcrumb-bar ol::-webkit-scrollbar{display:none;}
.breadcrumb-bar li{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.breadcrumb-bar .sep{color:#C2D0E0;}
.breadcrumb-bar a{color:var(--muted);}
.breadcrumb-bar a:hover{color:var(--primary);}
.breadcrumb-bar .cur{
  color:var(--text);max-width:52vw;overflow:hidden;
  text-overflow:ellipsis;white-space:nowrap;
}

/* 文章卡片 */
.article-wrap{
  max-width:860px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:20px;
  box-shadow:var(--sh-md);
  padding:48px 48px 40px;
}
.article-head{padding-bottom:26px;border-bottom:1px solid var(--line);margin-bottom:32px;}
.article-head h1{
  font-size:clamp(27px,3.6vw,40px);
  line-height:1.32;margin:16px 0 0;font-weight:700;
  word-break:break-word;
}
.article-meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px 18px;
  margin-top:18px;font-size:14px;color:var(--muted);
}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{color:#9FB2C6;font-size:13px;}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#CBD8E6;display:inline-block;}

/* 正文排版 */
.article-body{font-size:16.5px;line-height:1.9;color:var(--body-text);}
.article-body p{margin:0 0 1.4em;}
.article-body h2{
  position:relative;font-size:clamp(21px,2.4vw,26px);line-height:1.45;
  margin:2em 0 .85em;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;
  width:3px;height:1.05em;border-radius:3px;background:var(--primary);
}
.article-body h3{
  position:relative;font-size:20px;line-height:1.5;
  margin:1.7em 0 .7em;padding-left:14px;font-weight:600;
}
.article-body h3::before{
  content:"";position:absolute;left:0;top:.42em;
  width:8px;height:8px;border-radius:3px;background:var(--accent);
}
.article-body h4{font-size:17px;margin:1.4em 0 .6em;font-weight:600;}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:4px;}
.article-body ul li,.article-body ol li{
  position:relative;padding-left:24px;margin-bottom:.6em;
}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:.72em;
  width:7px;height:7px;border-radius:2px;background:var(--primary);opacity:.75;
}
.article-body ol{counter-reset:li;}
.article-body ol li{counter-increment:li;}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:.22em;
  width:20px;height:20px;border-radius:50%;
  background:var(--primary-soft);color:var(--primary);
  font-size:12px;font-weight:700;line-height:20px;text-align:center;
}
.article-body img{border-radius:var(--r-img);margin:1.4em 0 .8em;width:100%;height:auto;}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:6px;}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;
  border-left:3px solid var(--primary);
  background:#F7FAFF;border-radius:0 12px 12px 0;
  color:#33465C;font-size:15.5px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body strong{color:var(--text);font-weight:600;}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(11,105,212,.3);}
.article-body a:hover{border-bottom-color:var(--primary);}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.6em 0;
  font-size:15px;min-width:520px;
}
.article-body .table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:1.6em 0;border:1px solid var(--line);border-radius:12px;}
.article-body .table-scroll table{margin:0;}
.article-body th,.article-body td{
  padding:12px 16px;border-bottom:1px solid var(--line);text-align:left;
}
.article-body th{background:#F3F7FC;color:var(--text);font-weight:600;white-space:nowrap;}
.article-body tr:last-child td{border-bottom:none;}
.article-body hr{border:none;border-top:1px solid var(--line);margin:2.2em 0;}
.article-body pre{
  background:var(--dark);color:#DDE7F3;border-radius:12px;
  padding:18px 20px;overflow-x:auto;font-size:14px;line-height:1.7;
}

/* 空态 */
.empty-state{
  min-height:240px;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:12px;text-align:center;
  padding:32px 12px;
}
.empty-state .ei{
  width:60px;height:60px;border-radius:50%;
  border:1.5px solid rgba(11,105,212,.4);
  display:flex;align-items:center;justify-content:center;
  color:rgba(11,105,212,.6);font-size:22px;
}
.empty-state h3{font-size:17px;font-weight:600;}
.empty-state p{font-size:14px;color:var(--muted);margin:0;}
.empty-state .btn-main{margin-top:8px;}

/* 标签 / 分享 / 文末导航 */
.article-tags{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px;
  margin-top:40px;padding-top:26px;border-top:1px solid var(--line);
}
.article-tags .lb{font-size:14px;color:var(--muted);font-weight:600;}
.article-share{
  display:flex;align-items:center;flex-wrap:wrap;gap:12px;
  margin-top:18px;
}
.article-share .lb{font-size:14px;color:var(--muted);font-weight:600;}
.share-btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 18px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:#3C4E64;
  font-size:14px;cursor:pointer;transition:all .2s var(--ease);
}
.share-btn:hover{border-color:rgba(11,105,212,.4);color:var(--primary);background:var(--primary-soft);}
.article-foot-nav{
  display:flex;gap:16px;flex-wrap:wrap;
  margin-top:32px;padding-top:26px;border-top:1px solid var(--line);
}
.article-foot-nav .btn-main,.article-foot-nav .btn-ghost{flex:1 1 220px;}

/* 相关推荐 */
.related{padding:72px 0 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;}
.sec-head h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;}
.sec-head .sec-sub{font-size:14.5px;color:var(--muted);margin-top:8px;}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.rel-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-sm);
  transition:all .2s var(--ease);
}
.rel-card:hover{border-color:rgba(11,105,212,.3);box-shadow:var(--sh-md);transform:translateY(-4px);}
.rel-card .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:#EDF3FA;}
.rel-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
.rel-card:hover .thumb img{transform:scale(1.04);}
.rel-card .body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rel-card h3{font-size:17px;line-height:1.5;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-card .ex{
  font-size:14px;color:var(--muted);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-card .foot{
  margin-top:auto;display:flex;align-items:center;gap:10px;
  font-size:13px;color:var(--muted);padding-top:6px;
}
.rel-card .foot .arrow{margin-left:auto;color:var(--primary);transition:transform .2s var(--ease);}
.rel-card:hover .foot .arrow{transform:translateX(4px);}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:#B9C8DB;margin-top:0;padding:64px 0 0;}
.ft-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px 28px;}
.ft-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.ft-brand .brand-mark{background:var(--primary);}
.ft-brand .brand-text{color:#fff;font-size:17px;}
.ft-desc{font-size:14px;line-height:1.9;color:#93A6BD;margin:0 0 18px;max-width:340px;}
.ft-contact li{display:flex;align-items:center;gap:10px;font-size:14px;color:#93A6BD;margin-bottom:10px;}
.ft-contact i{color:var(--accent);font-size:13px;}
.site-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
.ft-links li{margin-bottom:11px;}
.ft-links a{color:#93A6BD;font-size:14px;}
.ft-links a:hover{color:#fff;}
.ft-bottom{
  margin-top:48px;padding:22px 0;
  border-top:1px solid rgba(255,255,255,.09);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:#7C8FA6;
}
.ft-tech{color:#7C8FA6;}

/* 入场动画 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .55s var(--ease),transform .55s var(--ease);}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  *{transition:none !important;animation:none !important;}
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .rel-grid{grid-template-columns:repeat(3,1fr);gap:20px;}
}
@media (max-width:991px){
  .main-nav{
    position:fixed;top:64px;left:0;right:0;bottom:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:rgba(255,255,255,.97);
    -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
    padding:12px 24px 96px;overflow-y:auto;
    transform:translateX(-102%);transition:transform .28s var(--ease);
  }
  .main-nav.open{transform:translateX(0);}
  .main-nav .nav-link{
    font-size:18px;line-height:56px;height:56px;padding:0;
    border-bottom:1px solid var(--line);
  }
  .main-nav .nav-link::after{display:none;}
  .burger{display:flex;}
  .btn-cta span{display:none;}
  .hd-actions .btn-cta{padding:10px 14px;}
  .ft-grid{grid-template-columns:1fr 1fr;gap:34px 24px;}
  .article-wrap{padding:36px 28px 32px;}
  .rel-grid{grid-template-columns:1fr 1fr;}
  .related{padding-top:56px;}
}
@media (max-width:767px){
  body{font-size:15.5px;}
  .container{padding:0 18px;}
  .serch-pop{top:64px;}
  .page-article{padding:26px 0 64px;}
  .article-wrap{padding:28px 20px 26px;border-radius:16px;}
  .article-body{font-size:16px;}
  .article-meta{gap:8px 14px;font-size:13.5px;}
  .article-first .breadcrumb-bar .cur{max-width:60vw;}
  .rel-grid{grid-template-columns:1fr;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .ft-grid{grid-template-columns:1fr;gap:28px;}
  .ft-bottom{flex-direction:column;}
}
@media (max-width:479px){
  .brand-text{font-size:16px;}
  .article-head h1{font-size:24px;}
  .article-foot-nav .btn-main,.article-foot-nav .btn-ghost{flex:1 1 100%;}
  .article-body h2{font-size:20px;}
  .article-body h3{font-size:18px;}
}

/* roulang page: category1 */
:root{
  --c-primary:#0B69D4;
  --c-primary-dark:#0A5CBB;
  --c-mint:#12C2A0;
  --c-amber:#FF8A3D;
  --c-indigo:#4A5FD6;
  --c-dark:#0B1B33;
  --c-bg:#F6F9FD;
  --c-card:#FFFFFF;
  --c-line:#E6EDF5;
  --c-text:#0D1B2A;
  --c-muted:#5B6B7F;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --sh-sm:0 1px 2px rgba(13,27,42,.06);
  --sh-md:0 8px 24px -12px rgba(13,27,42,.14);
  --sh-lg:0 20px 48px -24px rgba(13,27,42,.20);
  --t:200ms cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--c-primary-dark)}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--c-text);line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(11,105,212,.35);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(255,255,255,.62);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(230,237,245,.9);
  box-shadow:0 1px 2px rgba(13,27,42,.04);
  transition:background var(--t),box-shadow var(--t),height var(--t);
}
.site-header.scrolled{background:rgba(255,255,255,.94);box-shadow:var(--sh-md)}
.hd-inner{display:flex;align-items:center;gap:20px;height:72px;transition:height var(--t)}
.site-header.scrolled .hd-inner{height:64px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:11px;flex-shrink:0;
  background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:19px;font-weight:700;letter-spacing:0;
  box-shadow:0 6px 16px -8px rgba(11,105,212,.8);
}
.brand-text{font-size:18px;font-weight:700;color:var(--c-text);letter-spacing:.5px;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:28px;margin-left:auto}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--c-text);
  padding:8px 0;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:2px;width:0;height:2px;
  background:var(--c-primary);border-radius:2px;transition:width var(--t);
}
.nav-link:hover{color:var(--c-primary)}
.nav-link:hover::after,.nav-link.active::after{width:20px}
.nav-link.active{color:var(--c-primary);font-weight:600}
.hd-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.main-nav + .hd-actions{margin-left:0}
.icon-btn{
  width:40px;height:40px;border-radius:999px;border:1px solid var(--c-line);
  background:#fff;color:var(--c-muted);cursor:pointer;
  display:flex;align-items:center;justify-content:center;font-size:15px;
  transition:all var(--t);
}
.icon-btn:hover{color:var(--c-primary);border-color:rgba(11,105,212,.35);box-shadow:var(--sh-sm)}
.btn-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 20px;border-radius:999px;
  background:var(--c-amber);color:#fff;font-size:15px;font-weight:600;
  box-shadow:0 8px 20px -12px rgba(255,138,61,.9);
  transition:all var(--t);white-space:nowrap;
}
.btn-cta:hover{background:#f57c2c;color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px -12px rgba(255,138,61,.9)}
.burger{
  display:none;width:42px;height:42px;border:1px solid var(--c-line);border-radius:12px;
  background:#fff;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.burger span{display:block;width:18px;height:2px;background:var(--c-text);border-radius:2px;transition:all var(--t)}
.burger.active span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.burger.active span:nth-child(2){opacity:0}
.burger.active span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;
  padding:150px 0 64px;
  background-image:
    linear-gradient(180deg,rgba(238,245,255,.90),rgba(246,249,253,.94)),
    url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--c-line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(11,105,212,.10) 1px,transparent 1px);
  background-size:22px 22px;opacity:.55;pointer-events:none;
}
.page-hero .container{position:relative;z-index:1}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(11,105,212,.09);color:var(--c-primary);
  font-size:13px;font-weight:600;letter-spacing:.5px;
}
.page-hero h1{
  margin-top:18px;max-width:900px;
  font-size:clamp(30px,4.4vw,46px);line-height:1.2;font-weight:700;
}
.page-hero h1 em{font-style:normal;color:var(--c-primary)}
.hero-sub{margin-top:16px;font-size:17px;color:var(--c-muted);max-width:640px}
.hero-cta{margin-top:28px;display:flex;flex-wrap:wrap;gap:14px}
.btn-main{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 26px;border-radius:999px;
  background:var(--c-primary);color:#fff;font-size:16px;font-weight:600;
  box-shadow:0 10px 24px -14px rgba(11,105,212,.95);
  transition:all var(--t);
}
.btn-main:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md)}
.btn-main:active{transform:translateY(0)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 24px;border-radius:999px;
  background:#fff;color:var(--c-primary);font-size:16px;font-weight:600;
  border:1.5px solid var(--c-primary);
  transition:all var(--t);
}
.btn-ghost:hover{background:rgba(11,105,212,.08);color:var(--c-primary);transform:translateY(-1px)}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--c-primary);font-size:15px;font-weight:600;
}
.btn-text i{transition:transform var(--t)}
.btn-text:hover i{transform:translateX(4px)}

/* ---------- breadcrumb ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--c-line)}
.crumb-bar .container{display:flex;align-items:center;padding-top:14px;padding-bottom:14px}
.breadcrumb{display:flex;align-items:center;gap:8px;margin:0;font-size:14px;color:var(--c-muted);white-space:nowrap;overflow-x:auto;scrollbar-width:none}
.breadcrumb::-webkit-scrollbar{display:none}
.breadcrumb a{color:var(--c-muted)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{color:#B9C6D6}
.breadcrumb .current{color:var(--c-text);font-weight:600}

/* ---------- sub nav ---------- */
.subnav{
  position:sticky;top:64px;z-index:900;
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line);
  box-shadow:0 4px 16px -14px rgba(13,27,42,.5);
}
.subnav .container{display:flex;gap:10px;overflow-x:auto;padding-top:12px;padding-bottom:12px;scrollbar-width:none}
.subnav .container::-webkit-scrollbar{display:none}
.subnav a{
  flex-shrink:0;padding:8px 16px;border-radius:999px;
  font-size:14px;font-weight:500;color:var(--c-muted);
  border:1px solid var(--c-line);background:#fff;transition:all var(--t);
}
.subnav a:hover{color:var(--c-primary);border-color:rgba(11,105,212,.35);background:rgba(11,105,212,.05)}

/* ---------- sections ---------- */
.section{padding:96px 0}
.section.alt{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.sec-head{max-width:760px;margin-bottom:48px}
.sec-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  color:var(--c-primary);letter-spacing:1.4px;text-transform:uppercase;
}
.sec-tag::before{content:"";width:22px;height:2px;background:var(--c-primary);border-radius:2px}
.sec-head h2{margin-top:14px;font-size:clamp(24px,3vw,34px)}
.sec-head p{margin-top:14px;color:var(--c-muted);font-size:16px;max-width:640px}

/* ---------- service rows ---------- */
.svc-row{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  padding:44px 0;border-bottom:1px dashed var(--c-line);
}
.svc-row:last-child{border-bottom:0;padding-bottom:0}
.svc-row:first-child{padding-top:0}
.svc-row:nth-child(even) .svc-media{order:2}
.svc-media{position:relative;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-md);background:#EEF5FF}
.svc-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.svc-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(238,245,255,.16),rgba(11,27,51,.12))}
.svc-num{
  display:inline-flex;align-items:center;justify-content:center;
  font-size:30px;font-weight:700;color:var(--c-primary);
  font-variant-numeric:tabular-nums;letter-spacing:1px;line-height:1;
}
.svc-body h3{margin-top:8px;font-size:22px}
.svc-body .svc-desc{margin-top:12px;color:var(--c-muted);font-size:16px}
.svc-points{margin-top:18px;display:grid;gap:10px}
.svc-points li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:var(--c-text)}
.svc-points li i{color:var(--c-mint);font-size:14px;margin-top:6px;flex-shrink:0}
.svc-body .btn-text{margin-top:20px}

/* ---------- stat strip ---------- */
.stat-strip{background:var(--c-dark);color:#fff;padding:72px 0}
.stat-strip h2{color:#fff;font-size:clamp(22px,2.6vw,30px);max-width:640px}
.stat-strip .sec-tag{color:var(--c-mint)}
.stat-strip .sec-tag::before{background:var(--c-mint)}
.stat-strip .lead{margin-top:14px;color:rgba(255,255,255,.68);font-size:16px;max-width:660px}
.stat-grid{margin-top:44px;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-item{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-card);padding:26px 22px;
}
.stat-item .lbl{font-size:13px;color:rgba(255,255,255,.62)}
.stat-item .val{margin-top:10px;font-size:clamp(30px,3.4vw,44px);font-weight:700;line-height:1.1;font-variant-numeric:tabular-nums}
.stat-item .val span{font-size:16px;font-weight:600;margin-left:4px;color:var(--c-mint)}
.stat-item .note{margin-top:10px;font-size:13px;color:rgba(255,255,255,.56)}
.stat-foot{margin-top:22px;font-size:13px;color:rgba(255,255,255,.45)}

/* ---------- scene cards ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scene-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:32px 26px;box-shadow:var(--sh-sm);transition:all var(--t);position:relative;overflow:hidden;
}
.scene-card::before{content:"";position:absolute;left:0;top:0;width:52px;height:3px;background:var(--c-primary);border-radius:0 0 3px 0}
.scene-card:hover{border-color:rgba(11,105,212,.30);box-shadow:var(--sh-md);transform:translateY(-4px)}
.scene-ico{
  width:46px;height:46px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  background:rgba(11,105,212,.09);color:var(--c-primary);font-size:19px;
}
.scene-card h3{margin-top:18px;font-size:20px}
.scene-card p{margin-top:12px;color:var(--c-muted);font-size:15px}

/* ---------- flow ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.flow-step{background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);padding:30px 24px;box-shadow:var(--sh-sm);transition:all var(--t)}
.flow-step:hover{box-shadow:var(--sh-md);transform:translateY(-4px);border-color:rgba(11,105,212,.28)}
.flow-dot{
  width:44px;height:44px;border-radius:999px;display:flex;align-items:center;justify-content:center;
  background:var(--c-primary);color:#fff;font-weight:700;font-size:17px;font-variant-numeric:tabular-nums;
  box-shadow:0 10px 22px -14px rgba(11,105,212,.95);
}
.flow-step h3{margin-top:18px;font-size:19px}
.flow-step p{margin-top:10px;color:var(--c-muted);font-size:15px}
.flow-step .time{margin-top:16px;display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;background:rgba(18,194,160,.10);color:#0E9B80;font-size:13px;font-weight:600}

/* ---------- faq ---------- */
.faq-wrap{display:grid;grid-template-columns:minmax(260px,360px) 1fr;gap:56px;align-items:start}
.faq-aside h2{font-size:clamp(24px,3vw,32px)}
.faq-aside p{margin-top:14px;color:var(--c-muted);font-size:16px}
.faq-aside .btn-ghost{margin-top:22px}
.accordion{--bs-accordion-border-width:0;--bs-accordion-bg:transparent}
.accordion-item{
  background:var(--c-card);border:1px solid var(--c-line)!important;border-radius:12px!important;
  margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-sm);transition:all var(--t);
}
.accordion-item:hover{border-color:rgba(11,105,212,.28)!important}
.accordion-button{
  background:transparent;border:0;box-shadow:none!important;
  font-size:16px;font-weight:600;color:var(--c-text);
  padding:18px 22px 18px 22px;position:relative;
}
.accordion-button::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  background-image:none!important;font-size:13px;color:var(--c-muted);
  width:auto;height:auto;transform:none;transition:transform var(--t);
  position:absolute;right:22px;top:50%;margin-top:-8px;
}
.accordion-button:not(.collapsed){color:var(--c-primary);background:rgba(11,105,212,.04)}
.accordion-button:not(.collapsed)::after{transform:rotate(180deg);color:var(--c-primary)}
.accordion-button:not(.collapsed)::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  background:var(--c-primary);border-radius:0 3px 3px 0;
}
.accordion-body{padding:2px 22px 20px;font-size:15px;line-height:1.85;color:var(--c-muted)}

/* ---------- contact ---------- */
.contact-band{
  background:var(--c-bg);border-top:1px solid var(--c-line);
}
.panel{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:40px;box-shadow:var(--sh-md);
}
.panel h2{font-size:clamp(24px,3vw,32px)}
.panel .sub{margin-top:12px;color:var(--c-muted);font-size:16px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:26px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1 / -1}
.field label{font-size:14px;font-weight:600;color:var(--c-text)}
.form-control,.form-select{
  height:48px;border:1px solid var(--c-line);border-radius:10px;
  font-size:15px;color:var(--c-text);background:#fff;padding:0 14px;
  box-shadow:none!important;transition:border-color var(--t),box-shadow var(--t);
}
textarea.form-control{height:auto;min-height:120px;padding:12px 14px;line-height:1.7;resize:vertical}
.form-control:focus,.form-select:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(11,105,212,.18)!important}
.form-control::placeholder{color:#9AA9BA}
.form-actions{margin-top:26px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.privacy{margin-top:14px;font-size:13px;color:var(--c-muted)}
.chip-group{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  position:relative;display:inline-flex;align-items:center;
  padding:9px 18px;border-radius:999px;border:1px solid var(--c-line);
  font-size:14px;color:var(--c-muted);cursor:pointer;transition:all var(--t);background:#fff;
}
.chip input{position:absolute;opacity:0;pointer-events:none}
.chip:hover{border-color:rgba(11,105,212,.35);color:var(--c-primary)}
.chip input:checked + span{color:var(--c-primary);font-weight:600}
.chip:has(input:checked){border-color:var(--c-primary);background:rgba(11,105,212,.07)}

/* ---------- footer ---------- */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.72);padding:72px 0 28px;margin-top:0}
.ft-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.ft-brand{display:flex;align-items:center;gap:10px}
.ft-brand .brand-mark{background:var(--c-primary)}
.ft-brand .brand-text{color:#fff;font-size:17px}
.ft-desc{margin-top:18px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.60);max-width:320px}
.ft-contact{margin-top:18px;display:grid;gap:10px}
.ft-contact li{display:flex;align-items:center;gap:10px;font-size:14px;color:rgba(255,255,255,.66)}
.ft-contact i{color:var(--c-mint);width:16px;text-align:center}
.site-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px}
.ft-links{display:grid;gap:11px}
.ft-links a{color:rgba(255,255,255,.66);font-size:14px}
.ft-links a:hover{color:#fff}
.ft-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.48);
}
.ft-tech{color:rgba(255,255,255,.40)}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 520ms ease,transform 520ms cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .svc-row{gap:40px}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991px){
  .main-nav{
    position:fixed;top:64px;left:0;right:0;
    background:rgba(255,255,255,.97);
    -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
    flex-direction:column;align-items:stretch;gap:0;
    padding:8px 24px 24px;margin:0;
    border-bottom:1px solid var(--c-line);box-shadow:var(--sh-lg);
    display:none;
  }
  .main-nav.open{display:flex}
  .main-nav .nav-link{font-size:18px;line-height:56px;padding:0;border-bottom:1px solid var(--c-line)}
  .main-nav .nav-link::after{display:none}
  .main-nav .nav-link.active{color:var(--c-primary)}
  .burger{display:flex}
  .hd-actions .btn-cta{display:none}
  .page-hero{padding-top:126px}
  .section{padding:72px 0}
  .svc-row{grid-template-columns:1fr;gap:26px;padding:36px 0}
  .svc-row:nth-child(even) .svc-media{order:0}
  .scene-grid{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr 1fr}
  .faq-wrap{grid-template-columns:1fr;gap:32px}
  .form-row{grid-template-columns:1fr}
  .ft-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .brand-text{font-size:16px}
  .page-hero{padding:118px 0 52px}
  .section{padding:56px 0}
  .sec-head{margin-bottom:32px}
  .stat-grid{grid-template-columns:1fr 1fr;gap:14px}
  .stat-item{padding:20px 16px}
  .flow{grid-template-columns:1fr}
  .panel{padding:26px 20px}
  .hero-cta .btn-main,.hero-cta .btn-ghost{width:100%;justify-content:center}
  .ft-grid{grid-template-columns:1fr}
  .ft-bottom{flex-direction:column;gap:8px}
  .subnav{top:64px}
}
@media (max-width:479px){
  body{font-size:15px}
  .page-hero h1{font-size:27px}
  .stat-grid{grid-template-columns:1fr}
  .brand-mark{width:34px;height:34px;font-size:17px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
  --primary:#0B69D4;
  --primary-dark:#0856AD;
  --accent:#12C2A0;
  --warm:#FF8A3D;
  --indigo:#4A5FD6;
  --dark:#0B1B33;
  --bg:#F6F9FD;
  --bg-soft:#EEF5FF;
  --card:#FFFFFF;
  --border:#E6EDF5;
  --text:#0D1B2A;
  --muted:#5B6B7F;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --r-pill:999px;
  --shadow-sm:0 1px 2px rgba(13,27,42,.06);
  --shadow-md:0 8px 24px -12px rgba(13,27,42,.14);
  --shadow-lg:0 20px 48px -24px rgba(13,27,42,.20);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background-color:var(--bg);
  background-image:radial-gradient(rgba(11,105,212,.07) 1px, transparent 1px);
  background-size:22px 22px;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--primary-dark);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;line-height:1.3;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(11,105,212,.35);outline-offset:2px;border-radius:6px;}
.container{max-width:1200px;padding-left:20px;padding-right:20px;margin-left:auto;margin-right:auto;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:rgba(255,255,255,.62);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(230,237,245,.8);
  transition:background .3s var(--ease), box-shadow .3s var(--ease);
}
.site-header.scrolled{background:rgba(255,255,255,.94);box-shadow:var(--shadow-md);}
.hd-inner{display:flex;align-items:center;gap:24px;height:72px;transition:height .28s var(--ease);}
.site-header.scrolled .hd-inner{height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text);}
.brand:hover{color:var(--text);}
.brand-mark{
  width:36px;height:36px;border-radius:11px;flex:0 0 auto;
  background:var(--dark);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:700;letter-spacing:0;
  box-shadow:var(--shadow-sm);
}
.brand-text{font-size:18px;font-weight:700;letter-spacing:.4px;white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:28px;margin-left:auto;}
.main-nav .nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--muted);padding:6px 0;background:none;
}
.main-nav .nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform .25s var(--ease);
}
.main-nav .nav-link:hover{color:var(--primary);}
.main-nav .nav-link:hover::after{transform:scaleX(1);}
.main-nav .nav-link.active{color:var(--primary);}
.main-nav .nav-link.active::after{transform:scaleX(1);}
.hd-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.icon-btn{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--border);background:#fff;
  color:var(--muted);display:flex;align-items:center;justify-content:center;font-size:15px;
  transition:all .2s var(--ease);
}
.icon-btn:hover{color:var(--primary);border-color:rgba(11,105,212,.35);box-shadow:var(--shadow-md);transform:translateY(-2px);}
.btn-cta{
  display:inline-flex;align-items:center;gap:8px;height:42px;padding:0 20px;
  border-radius:var(--r-pill);background:var(--warm);color:#fff;font-size:15px;font-weight:600;
  box-shadow:var(--shadow-sm);transition:all .2s var(--ease);white-space:nowrap;
}
.btn-cta:hover{background:#f0782a;color:#fff;box-shadow:var(--shadow-md);transform:translateY(-1px);}
.btn-cta:active{transform:translateY(0);}
.burger{
  display:none;width:42px;height:42px;border:1px solid var(--border);background:#fff;border-radius:11px;
  padding:0;flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .25s var(--ease),opacity .2s var(--ease);}
body.nav-open .burger span:nth-child(1){transform:translateY(6px) rotate(45deg);}
body.nav-open .burger span:nth-child(2){opacity:0;}
body.nav-open .burger span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ---------- Hero ---------- */
.cat-hero{position:relative;padding:132px 0 56px;overflow:hidden;background:var(--bg-soft);}
.cat-hero-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  opacity:.9;
}
.cat-hero-bg::after{content:"";position:absolute;inset:0;background:rgba(238,245,255,.78);}
.cat-hero-inner{position:relative;z-index:2;}
.cat-badge{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(11,105,212,.10);color:var(--primary);font-size:13px;font-weight:600;letter-spacing:.4px;
}
.cat-hero h1{
  margin-top:18px;font-size:clamp(30px,4.4vw,46px);font-weight:700;line-height:1.22;max-width:820px;
}
.cat-hero-sub{margin-top:16px;font-size:17px;color:var(--muted);max-width:680px;line-height:1.85;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.hero-points span{
  display:inline-flex;align-items:center;gap:7px;font-size:14px;color:var(--text);
  background:#fff;border:1px solid var(--border);border-radius:var(--r-pill);padding:7px 14px;box-shadow:var(--shadow-sm);
}
.hero-points i{color:var(--accent);font-size:12px;}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.btn-main{
  display:inline-flex;align-items:center;gap:8px;height:50px;padding:0 26px;border:0;
  border-radius:var(--r-pill);background:var(--primary);color:#fff;font-size:16px;font-weight:600;
  box-shadow:var(--shadow-sm);transition:all .2s var(--ease);
}
.btn-main:hover{background:var(--primary-dark);color:#fff;box-shadow:var(--shadow-md);transform:translateY(-1px);}
.btn-main:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;height:50px;padding:0 24px;
  border-radius:var(--r-pill);background:#fff;border:1.5px solid var(--primary);color:var(--primary);
  font-size:16px;font-weight:600;transition:all .2s var(--ease);
}
.btn-ghost:hover{background:rgba(11,105,212,.08);color:var(--primary);transform:translateY(-1px);}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--border);}
.crumb-list{display:flex;align-items:center;gap:8px;height:52px;font-size:14px;color:var(--muted);overflow-x:auto;white-space:nowrap;}
.crumb-list::-webkit-scrollbar{display:none;}
.crumb-list a{color:var(--muted);}
.crumb-list a:hover{color:var(--primary);}
.crumb-list .sep{color:#c3cedd;}
.crumb-list .cur{color:var(--text);}

/* ---------- 粘性子导航 ---------- */
.sub-nav{
  position:sticky;top:0;z-index:1020;background:rgba(255,255,255,.95);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.sub-nav-inner{display:flex;align-items:center;gap:8px;height:56px;overflow-x:auto;}
.sub-nav-inner::-webkit-scrollbar{display:none;}
.sub-nav a{
  flex:0 0 auto;padding:7px 16px;border-radius:var(--r-pill);font-size:14px;font-weight:500;color:var(--muted);
  transition:all .2s var(--ease);
}
.sub-nav a:hover{background:var(--bg-soft);color:var(--primary);}
.sub-nav a.on{background:rgba(11,105,212,.10);color:var(--primary);font-weight:600;}

/* ---------- 区块 ---------- */
.section{padding:88px 0;}
.section.alt{background:#fff;}
.sec-head{max-width:760px;margin-bottom:44px;}
.sec-tag{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:1.2px;color:var(--primary);
  padding-bottom:8px;border-bottom:2px solid var(--primary);margin-bottom:16px;
}
.sec-head h2{font-size:clamp(24px,3vw,34px);line-height:1.32;}
.sec-head p{margin-top:14px;color:var(--muted);font-size:16px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}

/* ---------- 资讯卡片 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--border);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(11,105,212,.3);}
.news-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-soft);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.news-body h3{font-size:19px;font-weight:600;line-height:1.45;}
.news-body h3 a{color:var(--text);}
.news-card:hover .news-body h3 a{color:var(--primary);}
.news-body p{
  font-size:14.5px;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;display:flex;align-items:center;gap:12px;font-size:13px;color:var(--muted);
  padding-top:14px;border-top:1px solid var(--border);
}
.badge-pill{
  display:inline-flex;align-items:center;height:24px;padding:0 11px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;
}
.badge-blue{background:rgba(11,105,212,.10);color:var(--primary);}
.badge-green{background:rgba(18,194,160,.12);color:#0a9a7e;}
.badge-warm{background:rgba(255,138,61,.14);color:#d96a1c;}
.badge-indigo{background:rgba(74,95,214,.12);color:var(--indigo);}
.news-meta .arrow{margin-left:auto;color:var(--primary);transition:transform .2s var(--ease);}
.news-card:hover .news-meta .arrow{transform:translateX(4px);}

/* ---------- 栏目划分 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;}
.split-img{border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-md);background:var(--bg-soft);}
.split-img img{width:100%;aspect-ratio:3/2;object-fit:cover;}
.col-list{display:grid;gap:18px;margin-top:26px;}
.col-item{display:flex;gap:14px;background:#fff;border:1px solid var(--border);border-radius:var(--r-card);padding:18px 20px;box-shadow:var(--shadow-sm);}
.col-item .idx{
  flex:0 0 auto;width:34px;height:34px;border-radius:10px;background:var(--bg-soft);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;
}
.col-item h3{font-size:17px;font-weight:600;}
.col-item p{margin-top:6px;font-size:14.5px;color:var(--muted);}

/* ---------- 时间线 ---------- */
.timeline{position:relative;max-width:760px;margin:0 auto;padding-left:38px;}
.timeline::before{content:"";position:absolute;left:15px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,var(--primary),rgba(11,105,212,.12));}
.tl-item{position:relative;padding-bottom:34px;}
.tl-item:last-child{padding-bottom:0;}
.tl-dot{
  position:absolute;left:-38px;top:2px;width:32px;height:32px;border-radius:50%;
  background:#fff;border:2px solid var(--primary);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;
}
.tl-item h3{font-size:19px;font-weight:600;}
.tl-item p{margin-top:8px;color:var(--muted);font-size:15.5px;max-width:640px;}

/* ---------- 数据条 ---------- */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);padding:26px 24px;
  box-shadow:var(--shadow-sm);transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.stat-card .lbl{font-size:13px;color:var(--muted);letter-spacing:.4px;}
.stat-card .val{margin-top:12px;font-size:clamp(30px,3.4vw,44px);font-weight:700;line-height:1.1;color:var(--text);}
.stat-card .val small{font-size:15px;font-weight:600;color:var(--muted);margin-left:4px;}
.stat-card .bar{height:4px;border-radius:4px;background:var(--bg-soft);margin-top:16px;overflow:hidden;}
.stat-card .bar i{display:block;height:100%;border-radius:4px;background:var(--primary);}
.stat-card .bar.g i{background:var(--accent);}
.stat-card .note{margin-top:12px;font-size:13px;color:var(--muted);}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:360px 1fr;gap:52px;align-items:start;}
.faq-side p{margin-top:14px;color:var(--muted);font-size:15.5px;}
.faq-side .side-card{
  margin-top:26px;background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--shadow-sm);
}
.faq-side .side-card h3{font-size:17px;font-weight:600;}
.faq-side .side-card p{margin-top:8px;font-size:14.5px;}
.faq-side .side-card .link-more{margin-top:14px;display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;}
.faq-side .side-card .link-more i{transition:transform .2s var(--ease);}
.faq-side .side-card .link-more:hover i{transform:translateX(4px);}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:12px;margin-bottom:12px;
  box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item:hover{border-color:rgba(11,105,212,.28);box-shadow:var(--shadow-md);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;font-size:16px;font-weight:600;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"＋";flex:0 0 auto;font-size:16px;font-weight:600;color:var(--primary);
  transition:transform .25s var(--ease);
}
.faq-item[open] summary{color:var(--primary);box-shadow:inset 3px 0 0 var(--primary);}
.faq-item[open] summary::after{content:"－";}
.faq-item .ans{padding:0 22px 20px;font-size:15px;color:var(--muted);line-height:1.85;}

/* ---------- CTA ---------- */
.cta-band{padding:0 0 88px;}
.cta-card{
  position:relative;overflow:hidden;background:#fff;border:1px solid rgba(11,105,212,.28);
  border-radius:24px;padding:52px 48px;box-shadow:var(--shadow-md);
  display:grid;grid-template-columns:1.4fr 1fr;gap:36px;align-items:center;
}
.cta-card::before{
  content:"";position:absolute;left:0;top:0;width:6px;height:100%;background:var(--primary);
}
.cta-card h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;}
.cta-card p{margin-top:14px;color:var(--muted);font-size:16px;max-width:560px;}
.cta-actions{display:flex;flex-direction:column;gap:12px;}
.cta-actions .btn-main,.cta-actions .btn-ghost{justify-content:center;width:100%;}
.cta-actions small{font-size:13px;color:var(--muted);text-align:center;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#c8d4e4;padding:76px 0 0;}
.ft-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;}
.ft-brand{display:flex;align-items:center;gap:10px;}
.ft-brand .brand-mark{background:#fff;color:var(--dark);}
.ft-brand .brand-text{color:#fff;font-size:18px;font-weight:700;}
.ft-desc{margin-top:18px;font-size:14.5px;color:#93a4bb;max-width:330px;line-height:1.85;}
.ft-contact{margin-top:20px;display:grid;gap:10px;font-size:14px;color:#93a4bb;}
.ft-contact li{display:flex;align-items:center;gap:10px;}
.ft-contact i{color:var(--accent);font-size:13px;}
.site-footer h4{color:#fff;font-size:16px;font-weight:600;margin-bottom:18px;}
.ft-links{display:grid;gap:11px;}
.ft-links a{color:#93a4bb;font-size:14.5px;}
.ft-links a:hover{color:#fff;}
.ft-bottom{
  margin-top:56px;padding:22px 0 28px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13.5px;color:#7f8fa6;
}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .container{max-width:100%;padding-left:24px;padding-right:24px;}
}
@media (max-width:1024px){
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;gap:34px;}
  .faq-wrap{grid-template-columns:1fr;gap:34px;}
  .cta-card{grid-template-columns:1fr;padding:40px 32px;gap:26px;}
  .ft-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:991px){
  .main-nav{
    position:fixed;top:72px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;margin:0;
    background:rgba(255,255,255,.97);
    -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
    border-bottom:1px solid var(--border);box-shadow:var(--shadow-md);
    padding:12px 20px 22px;
    transform:translateY(-12px);opacity:0;pointer-events:none;
    transition:opacity .25s var(--ease),transform .25s var(--ease);
  }
  .main-nav .nav-link{font-size:18px;line-height:56px;color:var(--text);border-bottom:1px solid var(--border);}
  .main-nav .nav-link::after{display:none;}
  .main-nav .nav-link.active{color:var(--primary);}
  body.nav-open .main-nav{transform:none;opacity:1;pointer-events:auto;}
  .burger{display:flex;}
  .icon-btn{display:none;}
  .section{padding:64px 0;}
  .cat-hero{padding:120px 0 46px;}
}
@media (max-width:768px){
  .news-grid{grid-template-columns:1fr;}
  .stat-strip{grid-template-columns:1fr 1fr;}
  .hero-btns .btn-main,.hero-btns .btn-ghost{width:100%;justify-content:center;}
  .cta-card{padding:32px 22px;}
  .ft-grid{grid-template-columns:1fr;}
  .ft-bottom{flex-direction:column;}
}
@media (max-width:520px){
  body{font-size:15.5px;}
  .brand-text{font-size:16px;}
  .btn-cta{height:40px;padding:0 14px;font-size:14px;}
  .stat-strip{grid-template-columns:1fr;}
  .cat-hero h1{font-size:28px;}
  .sec-head h2{font-size:23px;}
  .news-body{padding:18px;}
  .timeline{padding-left:32px;}
  .tl-dot{left:-32px;width:28px;height:28px;font-size:13px;}
}

/* roulang page: category4 */
:root{
  --c-primary:#0B69D4;
  --c-primary-dark:#0a5cbb;
  --c-primary-soft:rgba(11,105,212,.08);
  --c-mint:#12C2A0;
  --c-mint-soft:rgba(18,194,160,.10);
  --c-warm:#FF8A3D;
  --c-warm-soft:rgba(255,138,61,.12);
  --c-indigo:#4A5FD6;
  --c-indigo-soft:rgba(74,95,214,.10);
  --c-ink:#0D1B2A;
  --c-muted:#5B6B7F;
  --c-border:#E6EDF5;
  --c-bg:#F6F9FD;
  --c-card:#FFFFFF;
  --c-dark:#0B1B33;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --sh-sm:0 1px 2px rgba(13,27,42,.06);
  --sh-md:0 8px 24px -12px rgba(13,27,42,.14);
  --sh-lg:0 20px 48px -24px rgba(13,27,42,.20);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--c-primary-dark);}
button{font-family:inherit;}
h1,h2,h3,h4{color:var(--c-ink);font-weight:700;line-height:1.3;margin:0;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(11,105,212,.35);outline-offset:2px;border-radius:6px;}
.container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;}
@media (min-width:1400px){.container{max-width:1240px;}}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:rgba(255,255,255,.62);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(230,237,245,.85);
  transition:background .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.site-header.scrolled{
  background:rgba(255,255,255,.94);
  box-shadow:var(--sh-md);
  border-bottom-color:var(--c-border);
}
.hd-inner{display:flex;align-items:center;gap:32px;height:72px;transition:height .28s var(--ease);}
.site-header.scrolled .hd-inner{height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:var(--c-primary);color:#fff;font-size:18px;font-weight:700;line-height:1;
  box-shadow:var(--sh-sm);
}
.brand-text{font-size:17px;font-weight:700;color:var(--c-ink);letter-spacing:.2px;}
.main-nav{display:flex;align-items:center;gap:28px;margin-left:8px;}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:#33475e;padding:6px 0;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--c-primary);
  transition:width .24s var(--ease);border-radius:2px;
}
.nav-link:hover{color:var(--c-primary);}
.nav-link:hover::after{width:100%;}
.nav-link.active{color:var(--c-primary);font-weight:600;}
.nav-link.active::after{width:22px;}
.hd-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.icon-btn{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--c-border);background:#fff;
  color:#3b4f66;display:grid;place-items:center;cursor:pointer;transition:all .2s var(--ease);
}
.icon-btn:hover{color:var(--c-primary);border-color:rgba(11,105,212,.35);box-shadow:var(--sh-sm);}
.btn-cta{
  display:inline-flex;align-items:center;gap:8px;padding:0 20px;height:42px;border-radius:999px;
  background:var(--c-warm);color:#fff;font-size:15px;font-weight:600;
  transition:all .2s var(--ease);box-shadow:0 6px 16px -10px rgba(255,138,61,.9);
}
.btn-cta:hover{background:#f57a2b;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md);}
.burger{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--c-border);
  background:#fff;cursor:pointer;padding:0;place-items:center;
}
.burger span{display:block;width:18px;height:2px;background:#33475e;border-radius:2px;margin:3px auto;transition:all .24s var(--ease);}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(5px) rotate(45deg);}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0;}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-5px) rotate(-45deg);}

/* ---------- buttons ---------- */
.btn-main,.btn-ghost,.btn-text{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;border-radius:var(--r-btn);transition:all .2s var(--ease);}
.btn-main{
  background:var(--c-primary);color:#fff;padding:0 26px;height:50px;border:none;box-shadow:var(--sh-sm);
}
.btn-main:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md);}
.btn-main:active{transform:translateY(0);}
.btn-ghost{
  background:#fff;color:var(--c-primary);border:1.5px solid var(--c-primary);padding:0 24px;height:50px;
}
.btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);}
.btn-text{background:none;border:none;padding:0;color:var(--c-primary);height:auto;}
.btn-text i{transition:transform .2s var(--ease);}
.btn-text:hover i{transform:translateX(4px);}

/* ---------- hero banner ---------- */
.page-hero{
  position:relative;padding:150px 0 76px;background-color:var(--c-bg);
  background-image:linear-gradient(180deg,rgba(246,249,253,.86) 0%,rgba(238,245,255,.78) 55%,rgba(246,249,253,.92) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(11,105,212,.14) 1px,transparent 1px);
  background-size:22px 22px;opacity:.5;
}
.page-hero .container{position:relative;z-index:2;}
.hero-chip{
  display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:999px;
  background:var(--c-indigo-soft);color:var(--c-indigo);font-size:13px;font-weight:600;margin-bottom:20px;
}
.page-hero h1{
  font-size:clamp(30px,4.4vw,48px);line-height:1.2;font-weight:700;max-width:900px;letter-spacing:-.5px;
}
.hero-sub{margin-top:18px;font-size:clamp(15px,1.5vw,18px);color:var(--c-muted);max-width:680px;line-height:1.8;}
.hero-points{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;}
.hero-points span{
  display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--c-border);
  border-radius:999px;padding:7px 16px;font-size:14px;color:#33475e;box-shadow:var(--sh-sm);
}
.hero-points i{color:var(--c-mint);font-size:13px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}

/* ---------- breadcrumb ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--c-border);}
.crumb-box{display:flex;align-items:center;gap:10px;height:56px;overflow-x:auto;white-space:nowrap;}
.crumb-box a,.crumb-box span{font-size:14px;color:var(--c-muted);}
.crumb-box .sep{color:#c3cfdd;}
.crumb-box .cur{color:var(--c-ink);font-weight:600;}

/* ---------- sub nav ---------- */
.subnav{
  position:sticky;top:64px;z-index:20;background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--c-border);
}
.subnav-inner{display:flex;gap:8px;overflow-x:auto;padding:12px 24px;max-width:1200px;margin:0 auto;}
.subnav-inner a{
  flex-shrink:0;padding:8px 18px;border-radius:999px;font-size:14px;font-weight:600;color:#41566e;
  border:1px solid transparent;transition:all .2s var(--ease);
}
.subnav-inner a:hover{background:var(--c-primary-soft);color:var(--c-primary);border-color:rgba(11,105,212,.18);}

/* ---------- sections ---------- */
.section{padding:92px 0;}
.section.alt{background:#fff;}
.sec-head{max-width:720px;margin-bottom:48px;}
.sec-tag{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:1.5px;color:var(--c-primary);
  text-transform:uppercase;margin-bottom:14px;
}
.sec-head h2{font-size:clamp(24px,3vw,36px);line-height:1.3;}
.sec-head p{margin-top:16px;color:var(--c-muted);font-size:16px;line-height:1.85;}
.rule{width:48px;height:3px;background:var(--c-primary);border-radius:3px;margin-top:20px;}

/* overview */
.overview-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.overview-text h2{font-size:clamp(24px,2.6vw,32px);}
.overview-text p{margin-top:18px;color:var(--c-muted);line-height:1.9;}
.overview-list{margin-top:26px;display:grid;gap:14px;}
.overview-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:#33475e;}
.overview-list i{color:var(--c-mint);margin-top:6px;font-size:14px;}
.overview-figure{position:relative;}
.overview-figure img{border-radius:var(--r-card);box-shadow:var(--sh-lg);width:100%;aspect-ratio:4/3;object-fit:cover;}
.figure-badge{
  position:absolute;left:-18px;bottom:-18px;background:#fff;border:1px solid var(--c-border);
  border-radius:14px;padding:16px 20px;box-shadow:var(--sh-lg);
}
.figure-badge strong{display:block;font-size:26px;color:var(--c-primary);line-height:1.2;}
.figure-badge span{font-size:13px;color:var(--c-muted);}

/* stats */
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat-card{
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);padding:26px 24px;
  box-shadow:var(--sh-md);transition:all .2s var(--ease);
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:rgba(11,105,212,.28);}
.stat-card .lbl{font-size:13px;color:var(--c-muted);}
.stat-card .val{font-size:clamp(34px,3.6vw,48px);font-weight:700;color:var(--c-ink);line-height:1.15;margin-top:10px;}
.stat-card .val small{font-size:15px;font-weight:600;color:var(--c-muted);margin-left:4px;}
.stat-card .desc{font-size:14px;color:var(--c-muted);margin-top:8px;}
.bar{height:4px;border-radius:4px;background:#EDF3FA;margin-top:16px;overflow:hidden;}
.bar i{display:block;height:100%;border-radius:4px;background:var(--c-primary);}
.bar i.mint{background:var(--c-mint);}
.bar i.warm{background:var(--c-warm);}
.bar i.indigo{background:var(--c-indigo);}

/* scope cards */
.scope-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.scope-card{
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);padding:28px 26px;
  box-shadow:var(--sh-sm);transition:all .2s var(--ease);position:relative;
}
.scope-card::before{content:"";position:absolute;left:26px;top:0;width:28px;height:2px;background:var(--c-primary);border-radius:2px;}
.scope-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:rgba(11,105,212,.3);}
.scope-card .ico{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;font-size:18px;
  background:var(--c-primary-soft);color:var(--c-primary);margin:16px 0 18px;
}
.scope-card h3{font-size:20px;}
.scope-card p{margin-top:12px;font-size:15px;color:var(--c-muted);line-height:1.85;}
.scope-card .tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.chip{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;font-size:13px;font-weight:600;
  background:var(--c-primary-soft);color:var(--c-primary);
}
.chip.mint{background:var(--c-mint-soft);color:#0e9b81;}
.chip.warm{background:var(--c-warm-soft);color:#d96c22;}
.chip.indigo{background:var(--c-indigo-soft);color:var(--c-indigo);}
.chip.gray{background:#EEF3F9;color:var(--c-muted);}

/* spec cards */
.spec-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.spec-card{
  background:var(--c-bg);border:1px solid var(--c-border);border-radius:var(--r-card);padding:26px 22px;
  transition:all .2s var(--ease);
}
.spec-card:hover{background:#fff;box-shadow:var(--sh-md);transform:translateY(-4px);}
.spec-card .no{font-size:13px;font-weight:700;color:var(--c-indigo);letter-spacing:1px;}
.spec-card h3{font-size:18px;margin-top:12px;}
.spec-card p{margin-top:10px;font-size:14px;color:var(--c-muted);line-height:1.8;}
.spec-card ul{margin-top:14px;display:grid;gap:8px;}
.spec-card ul li{font-size:14px;color:#33475e;display:flex;gap:8px;}
.spec-card ul li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--c-primary);margin-top:9px;flex-shrink:0;}

/* timeline */
.timeline{position:relative;padding-left:34px;}
.timeline::before{content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,var(--c-primary),rgba(11,105,212,.12));}
.tl-item{position:relative;padding-bottom:32px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-33px;top:6px;width:12px;height:12px;border-radius:50%;
  background:#fff;border:3px solid var(--c-primary);
}
.tl-item h3{font-size:18px;}
.tl-item span{display:inline-block;font-size:13px;color:var(--c-indigo);font-weight:600;margin-bottom:6px;}
.tl-item p{margin-top:8px;font-size:15px;color:var(--c-muted);line-height:1.85;}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:24px;align-items:stretch;}
.contact-card{
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);padding:32px;box-shadow:var(--sh-md);
}
.contact-card h3{font-size:22px;}
.contact-card > p{margin-top:12px;font-size:15px;color:var(--c-muted);line-height:1.85;}
.contact-list{margin-top:24px;display:grid;gap:18px;}
.contact-list li{display:flex;gap:14px;align-items:flex-start;}
.contact-list .ci{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;flex-shrink:0;
  background:var(--c-primary-soft);color:var(--c-primary);font-size:15px;
}
.contact-list strong{display:block;font-size:15px;color:var(--c-ink);}
.contact-list span{font-size:14px;color:var(--c-muted);}
.map-box{
  position:relative;border-radius:var(--r-card);border:1px solid var(--c-border);overflow:hidden;
  min-height:340px;background:#EFF5FB;
  background-image:linear-gradient(rgba(11,105,212,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(11,105,212,.07) 1px,transparent 1px);
  background-size:34px 34px;
  display:grid;place-items:center;text-align:center;padding:32px;
}
.map-box .pin{
  width:56px;height:56px;border-radius:50%;background:#fff;display:grid;place-items:center;
  color:var(--c-primary);font-size:22px;box-shadow:var(--sh-md);margin:0 auto 18px;
}
.map-box strong{display:block;font-size:18px;}
.map-box p{margin-top:10px;font-size:14px;color:var(--c-muted);max-width:340px;margin-left:auto;margin-right:auto;}

/* faq */
.faq-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:start;}
.faq-aside h2{font-size:clamp(24px,3vw,34px);}
.faq-aside p{margin-top:16px;color:var(--c-muted);}
.faq-aside .aside-box{
  margin-top:28px;background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-sm);
}
.faq-aside .aside-box strong{display:block;font-size:16px;}
.faq-aside .aside-box span{display:block;margin-top:8px;font-size:14px;color:var(--c-muted);}
.faq-aside .aside-box a{margin-top:14px;display:inline-flex;}
.faq-list{display:grid;gap:12px;}
.faq-item{
  background:#fff;border:1px solid var(--c-border);border-radius:12px;box-shadow:var(--sh-sm);
  overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item[open]{border-color:rgba(11,105,212,.3);box-shadow:var(--sh-md);}
.faq-item summary{
  cursor:pointer;list-style:none;padding:20px 24px 20px 26px;font-size:16px;font-weight:600;color:var(--c-ink);
  display:flex;align-items:center;justify-content:space-between;gap:16px;position:relative;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;background:transparent;
  transition:background .2s var(--ease);
}
.faq-item[open] summary{color:var(--c-primary);}
.faq-item[open] summary::before{background:var(--c-primary);}
.faq-item summary i{color:#93a5b8;transition:transform .24s var(--ease);font-size:14px;flex-shrink:0;}
.faq-item[open] summary i{transform:rotate(180deg);color:var(--c-primary);}
.faq-body{padding:0 26px 22px 26px;font-size:15px;color:var(--c-muted);line-height:1.85;}

/* cta band */
.cta-band{background:var(--c-dark);padding:72px 0;position:relative;overflow:hidden;}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.09) 1px,transparent 1px);
  background-size:26px 26px;opacity:.65;pointer-events:none;
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.6vw,30px);}
.cta-inner p{color:rgba(255,255,255,.72);margin-top:12px;font-size:15px;max-width:620px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.btn-light{
  display:inline-flex;align-items:center;gap:8px;height:50px;padding:0 26px;border-radius:var(--r-btn);
  background:#fff;color:var(--c-dark);font-size:15px;font-weight:600;transition:all .2s var(--ease);
}
.btn-light:hover{background:#eaf1fb;color:var(--c-dark);transform:translateY(-1px);box-shadow:var(--sh-md);}
.btn-outline-light2{
  display:inline-flex;align-items:center;gap:8px;height:50px;padding:0 24px;border-radius:var(--r-btn);
  border:1.5px solid rgba(255,255,255,.4);color:#fff;font-size:15px;font-weight:600;transition:all .2s var(--ease);
}
.btn-outline-light2:hover{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.7);}

/* footer */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.72);padding:72px 0 0;}
.ft-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.ft-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.ft-brand .brand-mark{background:var(--c-primary);}
.ft-brand .brand-text{color:#fff;font-size:17px;font-weight:700;}
.ft-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:320px;}
.ft-contact{margin-top:22px;display:grid;gap:12px;}
.ft-contact li{display:flex;align-items:center;gap:10px;font-size:14px;color:rgba(255,255,255,.66);}
.ft-contact i{color:var(--c-mint);font-size:14px;}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:20px;}
.ft-links{display:grid;gap:12px;}
.ft-links a{font-size:14px;color:rgba(255,255,255,.66);}
.ft-links a:hover{color:#fff;}
.ft-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.1);padding:22px 0 30px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.48);
}
.ft-tech{color:rgba(255,255,255,.36);}

/* reveal */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  *{animation:none !important;transition:none !important;}
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .overview-grid{gap:40px;}
  .spec-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991px){
  .main-nav{
    position:fixed;top:64px;right:0;width:min(320px,84vw);height:calc(100vh - 64px);
    background:rgba(255,255,255,.97);backdrop-filter:blur(14px);
    flex-direction:column;align-items:stretch;gap:0;padding:20px 20px 96px;
    box-shadow:var(--sh-lg);transform:translateX(102%);transition:transform .3s var(--ease);
    overflow-y:auto;
  }
  .main-nav.open{transform:translateX(0);}
  .nav-link{font-size:18px;line-height:56px;padding:0;border-bottom:1px solid var(--c-border);}
  .nav-link::after{display:none;}
  .nav-link.active{color:var(--c-primary);}
  .burger{display:grid;}
  .icon-btn{display:none;}
  .btn-cta{height:40px;padding:0 16px;font-size:14px;}
  .overview-grid{grid-template-columns:1fr;gap:36px;}
  .figure-badge{left:16px;bottom:-16px;}
  .stat-row{grid-template-columns:repeat(2,1fr);}
  .scope-grid{grid-template-columns:1fr;}
  .contact-grid{grid-template-columns:1fr;}
  .faq-grid{grid-template-columns:1fr;gap:36px;}
  .ft-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:64px 0;}
  .subnav{top:64px;}
}
@media (max-width:767px){
  .page-hero{padding:126px 0 60px;}
  .hero-cta .btn-main,.hero-cta .btn-ghost{width:100%;justify-content:center;}
  .sec-head{margin-bottom:32px;}
  .spec-grid{grid-template-columns:1fr;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions a{width:100%;justify-content:center;}
  .ft-bottom{flex-direction:column;}
}
@media (max-width:520px){
  body{font-size:15px;}
  .brand-text{font-size:15px;}
  .btn-cta span{display:none;}
  .stat-row{grid-template-columns:1fr;}
  .ft-grid{grid-template-columns:1fr;}
  .page-hero h1{letter-spacing:0;}
  .hero-points span{font-size:13px;}
  .section{padding:56px 0;}
  .bar{display:none;}
}

/* roulang page: category3 */
:root{
  --brand:#0B69D4;
  --brand-deep:#0A5CB9;
  --brand-soft:rgba(11,105,212,.08);
  --accent:#12C2A0;
  --warm:#FF8A3D;
  --indigo:#4A5FD6;
  --ink:#0D1B2A;
  --muted:#5B6B7F;
  --bg:#F6F9FD;
  --card:#FFFFFF;
  --line:#E6EDF5;
  --dark:#0B1B33;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --sh-sm:0 1px 2px rgba(13,27,42,.06);
  --sh-md:0 8px 24px -12px rgba(13,27,42,.14);
  --sh-lg:0 20px 48px -24px rgba(13,27,42,.20);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:110px}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background-color:var(--bg);
  background-image:radial-gradient(rgba(11,105,212,.055) 1px,transparent 1px);
  background-size:22px 22px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;letter-spacing:-.01em}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}
*:focus-visible{outline:3px solid rgba(11,105,212,.35);outline-offset:2px;border-radius:6px}
.container{max-width:1200px!important;padding-left:20px!important;padding-right:20px!important}
.sec{padding:88px 0}
.sec-tight{padding:64px 0}
.sec-alt{background:#FFFFFF;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;line-height:1;
  color:var(--brand);background:var(--brand-soft);
  padding:8px 14px;border-radius:999px;margin-bottom:16px;
}
.sec-head{max-width:760px;margin-bottom:44px}
.sec-head h2{font-size:clamp(24px,3vw,34px);margin-bottom:14px}
.sec-head p{color:var(--muted);font-size:16px;margin:0}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}

/* ---------- Header / Nav ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:rgba(255,255,255,.62);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(230,237,245,.75);
  box-shadow:0 1px 2px rgba(13,27,42,.04);
  transition:background .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.site-header.scrolled{
  background:rgba(255,255,255,.94);
  box-shadow:var(--sh-md);
  border-bottom-color:var(--line);
}
.hd-inner{display:flex;align-items:center;gap:24px;height:72px;transition:height .25s var(--ease)}
.site-header.scrolled .hd-inner{height:64px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:11px;
  background:var(--brand);color:#fff;
  display:grid;place-items:center;
  font-size:18px;font-weight:700;
  box-shadow:0 6px 16px -8px rgba(11,105,212,.7);
}
.brand-text{font-size:17px;font-weight:700;color:var(--ink);white-space:nowrap;letter-spacing:-.01em}
.main-nav{display:flex;align-items:center;gap:28px;margin-left:auto}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:#3A4D63;
  padding:6px 0;white-space:nowrap;transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--brand);border-radius:2px;transition:width .22s var(--ease);
}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after{width:100%}
.nav-link.active{color:var(--brand);font-weight:600}
.nav-link.active::after{width:22px}
.hd-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.icon-btn{
  width:40px;height:40px;border-radius:50%;
  border:1px solid var(--line);background:rgba(255,255,255,.8);
  color:#41556C;display:grid;place-items:center;font-size:15px;
  transition:all .2s var(--ease);
}
.icon-btn:hover{color:var(--brand);border-color:rgba(11,105,212,.35);transform:translateY(-1px)}
.btn-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 20px;border-radius:999px;
  background:var(--warm);color:#fff;font-size:14px;font-weight:600;
  border:none;box-shadow:0 6px 16px -8px rgba(255,138,61,.85);
  transition:all .2s var(--ease);
}
.btn-cta:hover{background:#F2792A;color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px -10px rgba(255,138,61,.9)}
.burger{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid var(--line);background:rgba(255,255,255,.85);
  padding:0;position:relative;
}
.burger span{
  position:absolute;left:12px;width:18px;height:2px;border-radius:2px;
  background:#33465C;transition:all .25s var(--ease);
}
.burger span:nth-child(1){top:14px}
.burger span:nth-child(2){top:20px}
.burger span:nth-child(3){top:26px}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- Page hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:158px 0 76px;
  background:#EEF5FF;
  border-bottom:1px solid var(--line);
}
.page-hero-bg{
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.png);
  background-size:cover;background-position:center;
  opacity:.42;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:rgba(238,245,255,.82);
}
.page-hero .container{position:relative;z-index:2}
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:nowrap;
  font-size:14px;color:var(--muted);margin-bottom:26px;
  overflow-x:auto;white-space:nowrap;scrollbar-width:none;
}
.crumb::-webkit-scrollbar{display:none}
.crumb a{color:var(--muted);transition:color .2s var(--ease)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#B9C6D6}
.crumb .cur{color:var(--ink);font-weight:600}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;line-height:1;
  color:#B25A15;background:rgba(255,138,61,.14);
  padding:8px 15px;border-radius:999px;margin-bottom:20px;
}
.page-title{margin-bottom:20px;max-width:820px}
.pt-main{display:block;font-size:clamp(30px,4.4vw,48px);font-weight:700;line-height:1.18}
.pt-sub{display:block;margin-top:12px;font-size:clamp(16px,2vw,21px);font-weight:600;color:var(--brand)}
.hero-lead{max-width:640px;font-size:16px;color:#465B73;margin:0 0 24px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px}
.hero-tags span{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13px;font-weight:500;color:#3A4D63;
  background:rgba(255,255,255,.85);border:1px solid var(--line);
  padding:8px 14px;border-radius:999px;box-shadow:var(--sh-sm);
}
.hero-tags i{color:var(--accent)}

/* ---------- Subnav ---------- */
.subnav{
  position:sticky;top:64px;z-index:1010;
  background:rgba(255,255,255,.96);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 2px rgba(13,27,42,.04);
}
.subnav-inner{display:flex;align-items:center;gap:26px;height:60px;overflow-x:auto;scrollbar-width:none}
.subnav-inner::-webkit-scrollbar{display:none}
.subnav-label{
  font-size:13px;font-weight:700;color:var(--brand);
  padding:5px 12px;border-radius:999px;background:var(--brand-soft);
  white-space:nowrap;flex-shrink:0;
}
.subnav a:not(.subnav-cta){
  font-size:14px;font-weight:500;color:#4B5F76;white-space:nowrap;
  padding:6px 0;position:relative;transition:color .2s var(--ease);
}
.subnav a:not(.subnav-cta):hover{color:var(--brand)}
.subnav-cta{
  margin-left:auto;flex-shrink:0;
  display:inline-flex;align-items:center;gap:7px;
  font-size:13px;font-weight:600;color:#fff;background:var(--brand);
  padding:8px 16px;border-radius:999px;
  transition:all .2s var(--ease);
}
.subnav-cta:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px)}

/* ---------- Buttons ---------- */
.btn-main{
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 26px;border-radius:var(--r-btn);
  background:var(--brand);color:#fff;font-size:15px;font-weight:600;
  border:1.5px solid var(--brand);
  box-shadow:0 8px 20px -12px rgba(11,105,212,.9);
  transition:all .2s var(--ease);
}
.btn-main:hover{background:var(--brand-deep);border-color:var(--brand-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md)}
.btn-main:active{transform:translateY(0)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 26px;border-radius:var(--r-btn);
  background:#fff;color:var(--brand);font-size:15px;font-weight:600;
  border:1.5px solid var(--brand);
  transition:all .2s var(--ease);
}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand);transform:translateY(-1px)}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--brand);
}
.link-arrow i{transition:transform .2s var(--ease)}
.link-arrow:hover{color:var(--brand-deep)}
.link-arrow:hover i{transform:translateX(4px)}
.btn-warm{
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 26px;border-radius:999px;
  background:var(--warm);color:#fff;font-size:15px;font-weight:600;
  border:1.5px solid var(--warm);
  box-shadow:0 10px 24px -14px rgba(255,138,61,.95);
  transition:all .2s var(--ease);
}
.btn-warm:hover{background:#F2792A;border-color:#F2792A;color:#fff;transform:translateY(-1px)}
.btn-line{
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 26px;border-radius:999px;
  background:transparent;color:#DCE7F5;font-size:15px;font-weight:600;
  border:1.5px solid rgba(255,255,255,.32);
  transition:all .2s var(--ease);
}
.btn-line:hover{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.6)}

/* ---------- Triage cards ---------- */
.triage-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.triage-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:32px 28px;box-shadow:var(--sh-sm);position:relative;overflow:hidden;
  transition:all .22s var(--ease);
}
.triage-card::before{
  content:"";position:absolute;left:0;top:0;width:52px;height:3px;
  border-radius:0 3px 3px 0;background:var(--brand);
}
.triage-card.tone-accent::before{background:var(--accent)}
.triage-card.tone-warm::before{background:var(--warm)}
.triage-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:rgba(11,105,212,.28)}
.triage-icon{
  width:52px;height:52px;border-radius:14px;display:grid;place-items:center;
  font-size:20px;color:var(--brand);background:var(--brand-soft);margin-bottom:20px;
}
.triage-card.tone-accent .triage-icon{color:#0E9E84;background:rgba(18,194,160,.12)}
.triage-card.tone-warm .triage-icon{color:#C96512;background:rgba(255,138,61,.14)}
.triage-card h3{font-size:20px;margin-bottom:12px}
.triage-card p{font-size:15px;color:var(--muted);margin-bottom:20px}

/* ---------- Timeline ---------- */
.tl-wrap{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:48px;align-items:start}
.timeline{position:relative;display:grid;gap:18px}
.tl-item{
  position:relative;display:grid;grid-template-columns:56px 1fr;gap:20px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 28px;box-shadow:var(--sh-sm);
  transition:all .22s var(--ease);
}
.tl-item:hover{transform:translateY(-3px);box-shadow:var(--sh-md);border-color:rgba(11,105,212,.28)}
.tl-item:not(:first-child)::before{
  content:"";position:absolute;left:55px;top:-19px;width:2px;height:18px;
  background:linear-gradient(180deg,rgba(11,105,212,.06),rgba(11,105,212,.34));
}
.tl-num{
  width:52px;height:52px;border-radius:50%;
  display:grid;place-items:center;
  background:#EEF5FF;color:var(--brand);
  font-size:16px;font-weight:700;letter-spacing:.02em;
  border:1px solid rgba(11,105,212,.18);
}
.tl-body h3{font-size:19px;margin-bottom:10px}
.tl-body p{font-size:15px;color:var(--muted);margin:0}
.tl-aside{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:12px 12px 24px;box-shadow:var(--sh-sm);position:sticky;top:150px;
}
.tl-aside img{border-radius:12px;width:100%;aspect-ratio:4/3;object-fit:cover;margin-bottom:22px}
.tl-aside-inner{padding:0 14px}
.tl-aside h3{font-size:18px;margin-bottom:14px}
.tl-aside ul{display:grid;gap:12px}
.tl-aside li{display:flex;gap:10px;font-size:14.5px;color:var(--muted);line-height:1.7}
.tl-aside li i{color:var(--accent);margin-top:5px;flex-shrink:0}
.tl-aside .link-arrow{margin-top:20px}

/* ---------- Issue cards ---------- */
.issue-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.issue-card{
  display:flex;gap:22px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-sm);
  transition:all .22s var(--ease);
}
.issue-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:rgba(11,105,212,.28)}
.issue-icon{
  width:50px;height:50px;border-radius:13px;flex-shrink:0;
  display:grid;place-items:center;font-size:19px;
  background:rgba(74,95,214,.10);color:var(--indigo);
}
.issue-card:nth-child(2) .issue-icon{background:rgba(18,194,160,.12);color:#0E9E84}
.issue-card:nth-child(3) .issue-icon{background:rgba(255,138,61,.14);color:#C96512}
.issue-card:nth-child(4) .issue-icon{background:var(--brand-soft);color:var(--brand)}
.issue-card h3{font-size:19px;margin-bottom:10px}
.issue-card p{font-size:15px;color:var(--muted);margin-bottom:16px}
.issue-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.issue-tags span{
  font-size:12.5px;color:#4B5F76;background:#F2F6FB;
  border:1px solid var(--line);padding:4px 11px;border-radius:999px;
}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:340px minmax(0,1fr);gap:48px;align-items:start}
.faq-intro h2{font-size:clamp(24px,3vw,32px);margin-bottom:16px}
.faq-intro p{color:var(--muted);font-size:15.5px;margin-bottom:24px}
.faq-contact{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-sm);
}
.faq-contact h3{font-size:16px;margin-bottom:12px}
.faq-contact ul{display:grid;gap:10px;margin-bottom:18px}
.faq-contact li{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--muted)}
.faq-contact li i{color:var(--brand);width:16px;text-align:center}
.faq-list{display:grid;gap:12px;align-items:start}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:12px;
  box-shadow:var(--sh-sm);overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item[open]{border-color:rgba(11,105,212,.32);box-shadow:var(--sh-md)}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:20px 58px 20px 24px;
  font-size:16px;font-weight:600;color:var(--ink);
  transition:color .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;
  background:var(--brand);border-radius:0 3px 3px 0;
  opacity:0;transition:opacity .2s var(--ease);
}
.faq-item summary::after{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;
  font-size:16px;font-weight:600;color:var(--brand);
  background:var(--brand-soft);transition:all .2s var(--ease);
}
.faq-item[open] summary{color:var(--brand)}
.faq-item[open] summary::before{opacity:1}
.faq-item[open] summary::after{content:"−";background:var(--brand);color:#fff}
.faq-answer{padding:0 58px 22px 24px;font-size:15px;color:var(--muted);line-height:1.85}

/* ---------- Entry grid ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:40px}
.entry-link{
  display:flex;align-items:center;gap:16px;
  background:var(--card);border:1px solid var(--line);border-radius:14px;
  padding:20px 22px;box-shadow:var(--sh-sm);
  transition:all .22s var(--ease);
}
.entry-link:hover{transform:translateY(-3px);box-shadow:var(--sh-md);border-color:rgba(11,105,212,.3)}
.entry-link i.ico{
  width:44px;height:44px;border-radius:12px;flex-shrink:0;
  display:grid;place-items:center;font-size:17px;
  background:var(--brand-soft);color:var(--brand);
}
.entry-link span.tx{flex:1;min-width:0}
.entry-link strong{display:block;font-size:16px;font-weight:600;margin-bottom:3px}
.entry-link small{display:block;font-size:13.5px;color:var(--muted);line-height:1.6}
.entry-link .arw{color:#B9C6D6;font-size:14px;transition:all .2s var(--ease)}
.entry-link:hover .arw{color:var(--brand);transform:translateX(4px)}

.stat-row{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:32px;box-shadow:var(--sh-sm);
}
.stat-item{border-left:2px solid var(--line);padding-left:20px}
.stat-item:first-child{border-left-color:var(--brand)}
.stat-item:nth-child(2){border-left-color:var(--accent)}
.stat-item:nth-child(3){border-left-color:var(--warm)}
.stat-item:nth-child(4){border-left-color:var(--indigo)}
.stat-label{font-size:13px;color:var(--muted);margin-bottom:6px}
.stat-value{font-size:clamp(28px,3.4vw,40px);font-weight:700;color:var(--ink);line-height:1.1}
.stat-value em{font-style:normal;font-size:15px;font-weight:600;color:var(--muted);margin-left:4px}
.stat-note{font-size:13px;color:var(--muted);margin-top:8px}

/* ---------- CTA band ---------- */
.cta-band{background:var(--dark);padding:72px 0;color:#fff}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:40px;
}
.cta-copy h2{font-size:clamp(22px,2.6vw,30px);color:#fff;margin-bottom:12px}
.cta-copy p{color:#A9BCD4;font-size:15.5px;margin:0;max-width:620px}
.cta-btns{display:flex;gap:14px;flex-shrink:0;flex-wrap:wrap}

/* ---------- Footer ---------- */
.site-footer{background:var(--dark);color:#C9D6E6;padding:72px 0 0;margin-top:0}
.ft-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:44px}
.ft-brand{display:flex;align-items:center;gap:11px;margin-bottom:18px}
.ft-brand .brand-text{color:#fff}
.ft-desc{font-size:14.5px;line-height:1.85;color:#93A8C1;margin-bottom:22px;max-width:340px}
.ft-contact{display:grid;gap:12px}
.ft-contact li{display:flex;align-items:center;gap:10px;font-size:14px;color:#93A8C1}
.ft-contact li i{color:var(--accent);width:16px;text-align:center}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:18px;font-weight:600}
.ft-links{display:grid;gap:11px}
.ft-links a{font-size:14.5px;color:#93A8C1;transition:color .2s var(--ease)}
.ft-links a:hover{color:#fff}
.ft-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.1);
  margin-top:52px;padding:24px 0;font-size:13px;color:#7E93AD;
}
.ft-tech{color:#6C82A0}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .55s var(--ease),transform .55s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media (max-width:1199.98px){
  .tl-wrap{grid-template-columns:1fr;gap:32px}
  .tl-aside{position:static;max-width:560px}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .faq-intro{max-width:680px}
}
@media (max-width:991.98px){
  .sec{padding:64px 0}
  .sec-tight{padding:52px 0}
  .main-nav{
    position:fixed;left:0;right:0;top:64px;
    flex-direction:column;align-items:stretch;gap:0;
    background:rgba(255,255,255,.97);
    -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line);
    box-shadow:var(--sh-md);
    padding:8px 20px 24px;
    transform:translateY(-12px);opacity:0;pointer-events:none;
    transition:opacity .22s var(--ease),transform .22s var(--ease);
  }
  .main-nav.open{opacity:1;transform:none;pointer-events:auto}
  .nav-link{font-size:17px;line-height:56px;padding:0;border-bottom:1px solid var(--line)}
  .nav-link::after{display:none}
  .nav-link.active{color:var(--brand)}
  .burger{display:block}
  .hd-actions .btn-cta{display:none}
  .subnav{top:64px}
  .triage-grid{grid-template-columns:1fr 1fr}
  .issue-grid{grid-template-columns:1fr}
  .entry-grid{grid-template-columns:1fr 1fr}
  .stat-row{grid-template-columns:1fr 1fr;gap:28px}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:28px}
  .ft-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:767.98px){
  .page-hero{padding:128px 0 58px}
  .brand-text{font-size:15.5px}
  .triage-grid{grid-template-columns:1fr}
  .entry-grid{grid-template-columns:1fr}
  .stat-row{grid-template-columns:1fr;gap:24px;padding:26px}
  .stat-item{border-left-width:2px;padding-left:16px}
  .tl-item{grid-template-columns:1fr;gap:14px;padding:22px}
  .tl-item:not(:first-child)::before{display:none}
  .tl-num{width:44px;height:44px;font-size:15px}
  .btn-main,.btn-ghost,.btn-warm,.btn-line{width:100%;justify-content:center}
  .cta-btns{width:100%}
  .ft-grid{grid-template-columns:1fr;gap:32px}
  .ft-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .faq-item summary{padding:18px 52px 18px 18px;font-size:15.5px}
  .faq-answer{padding:0 52px 20px 18px}
}
@media (max-width:479.98px){
  body{font-size:15.5px}
  .sec{padding:56px 0}
  .hero-lead{font-size:15px}
  .page-title{margin-bottom:16px}
  .stat-value{font-size:30px}
  .issue-card{flex-direction:column;gap:16px;padding:22px}
  .subnav-inner{gap:20px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1!important;transform:none!important}
}