/* roulang page: index */
:root{
  --primary:#2E5BE0;
  --primary-rgb:46,91,224;
  --primary-dark:#2549BE;
  --primary-soft:#EEF3FF;
  --accent:#FF7A45;
  --mint:#2FB4A0;
  --bg:#F6F8FC;
  --card:#FFFFFF;
  --line:#E6EBF4;
  --text:#16233A;
  --muted:#667085;
  --dark:#0F1B33;
  --r-card:18px;
  --r-img:14px;
  --r-btn:12px;
  --sh-sm:0 1px 2px rgba(16,24,40,.05);
  --sh-md:0 8px 24px -12px rgba(20,38,80,.18);
  --sh-lg:0 24px 60px -28px rgba(20,38,80,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
  --bs-primary:#2E5BE0;
  --bs-primary-rgb:46,91,224;
  --bs-body-color:#16233A;
  --bs-body-bg:#F6F8FC;
  --bs-border-color:#E6EBF4;
  --bs-border-radius:12px;
  --bs-link-color:#2E5BE0;
  --bs-link-hover-color:#2549BE;
  --bs-focus-ring-color:rgba(46,91,224,.28);
  --bs-font-sans-serif:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;
}
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;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;}
.mono{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ---------- header ---------- */
.site-header{position:relative;z-index:1030;}
.brand-bar{background:#fff;border-bottom:1px solid var(--line);}
.brand-inner{display:flex;align-items:center;gap:24px;min-height:68px;}
.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:linear-gradient(135deg,#2E5BE0,#4E7BF2);color:#fff;font-size:16px;
  box-shadow:0 6px 16px -8px rgba(46,91,224,.9);
}
.brand-text{font-size:18px;font-weight:700;color:var(--text);letter-spacing:-.01em;}
.brand:hover .brand-text{color:var(--primary);}
.desk-nav{display:flex;align-items:center;gap:4px;margin-left:12px;}
.desk-nav a{
  padding:8px 14px;border-radius:999px;font-size:15px;color:#334155;font-weight:500;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.desk-nav a:hover{background:var(--primary-soft);color:var(--primary);}
.desk-nav a.active{color:var(--primary);font-weight:600;}
.brand-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:#fff;
  color:#3C4A63;display:grid;place-items:center;cursor:pointer;
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.icon-btn:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft);}
.icon-btn:focus-visible,.btn:focus-visible,.chip:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(46,91,224,.28);}
.hamburger{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;
  color:#3C4A63;display:none;place-items:center;cursor:pointer;
}
.hamburger:hover{border-color:var(--primary);color:var(--primary);}

.channel-bar{
  background:#F2F5FB;border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:1025;
  transition:box-shadow .2s var(--ease);
}
.channel-bar.is-stuck{box-shadow:0 6px 18px -12px rgba(20,38,80,.45);}
.channel-inner{
  display:flex;gap:10px;align-items:center;padding-top:10px;padding-bottom:10px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
}
.channel-inner::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;
  padding:9px 18px;border-radius:999px;font-size:15px;font-weight:500;color:#3C4A63;
  border:1px solid transparent;white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.chip:hover{background:#E9EFFF;color:var(--primary);}
.chip.active{
  color:var(--primary);background:rgba(46,91,224,.10);border-color:rgba(46,91,224,.18);
  font-weight:600;box-shadow:inset 0 -2px 0 0 var(--primary);
}

/* ---------- buttons ---------- */
.btn{
  --bs-btn-border-radius:12px;
  --bs-btn-padding-x:24px;
  --bs-btn-padding-y:12px;
  --bs-btn-font-size:15px;
  --bs-btn-font-weight:600;
  border-radius:12px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn-primary{
  --bs-btn-bg:#2E5BE0;--bs-btn-border-color:#2E5BE0;
  --bs-btn-hover-bg:#2549BE;--bs-btn-hover-border-color:#2549BE;
  --bs-btn-active-bg:#1F3FA6;--bs-btn-active-border-color:#1F3FA6;
  --bs-btn-color:#fff;--bs-btn-hover-color:#fff;--bs-btn-active-color:#fff;
  --bs-btn-disabled-bg:#2E5BE0;--bs-btn-disabled-border-color:#2E5BE0;
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--sh-md);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-sm);}
.btn-outline-primary{
  --bs-btn-color:#2E5BE0;--bs-btn-border-color:#D6DEEB;
  --bs-btn-bg:#fff;
  --bs-btn-hover-bg:#F4F7FF;--bs-btn-hover-border-color:#2E5BE0;--bs-btn-hover-color:#2E5BE0;
  --bs-btn-active-bg:#EEF3FF;--bs-btn-active-border-color:#2E5BE0;--bs-btn-active-color:#2E5BE0;
}
.btn-outline-primary:hover{transform:translateY(-1px);box-shadow:var(--sh-sm);}
.btn-ghost{
  background:transparent;border:none;color:var(--primary);font-weight:600;
  display:inline-flex;align-items:center;gap:8px;padding:6px 2px;font-size:15px;
}
.btn-ghost i{transition:transform .2s var(--ease);}
.btn-ghost:hover{color:var(--primary-dark);}
.btn-ghost:hover i{transform:translateX(4px);}
.btn-light-cta{
  --bs-btn-bg:#fff;--bs-btn-border-color:#fff;--bs-btn-color:#16233A;
  --bs-btn-hover-bg:#F1F5FF;--bs-btn-hover-border-color:#F1F5FF;--bs-btn-hover-color:#16233A;
}
.btn-light-cta:hover{transform:translateY(-1px);box-shadow:var(--sh-md);}

/* ---------- hero ---------- */
.hero{
  position:relative;background:
    radial-gradient(1000px 420px at 88% -10%,rgba(46,91,224,.10),transparent 62%),
    radial-gradient(680px 360px at -6% 108%,rgba(47,180,160,.10),transparent 60%),
    linear-gradient(180deg,#FAFBFF 0%,#F2F6FF 100%);
  border-bottom:1px solid var(--line);
  padding:88px 0 84px;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:radial-gradient(rgba(46,91,224,.16) 1px,transparent 1px);
  background-size:22px 22px;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.55),transparent 78%);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.55),transparent 78%);
}
.hero .container{position:relative;z-index:1;}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;padding:7px 16px;border-radius:999px;
  background:#fff;border:1px solid rgba(46,91,224,.20);color:var(--primary);
  font-size:13.5px;font-weight:600;box-shadow:var(--sh-sm);
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--mint);}
.hero h1{
  font-size:clamp(28px,4.2vw,44px);line-height:1.25;letter-spacing:-.01em;font-weight:700;
  margin:22px 0 0;
}
.hero h1 em{font-style:normal;color:var(--primary);}
.hero-sub{margin-top:16px;font-size:17px;color:var(--muted);max-width:520px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:30px;}
.hero-metrics{display:flex;flex-wrap:wrap;gap:40px;margin-top:42px;padding-top:28px;border-top:1px solid var(--line);}
.metric-num{font-size:32px;font-weight:700;color:var(--text);line-height:1.1;letter-spacing:-.02em;}
.metric-num span{font-size:16px;font-weight:600;color:var(--muted);margin-left:4px;}
.metric-label{font-size:13.5px;color:var(--muted);margin-top:6px;}

.hero-visual{position:relative;}
.hero-visual img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:24px;
  box-shadow:var(--sh-lg);border:1px solid #fff;
}
.hero-float{
  position:absolute;left:-16px;bottom:-22px;width:262px;background:#fff;border:1px solid var(--line);
  border-radius:16px;padding:16px 18px;box-shadow:var(--sh-md);
}
.hero-float-top{display:flex;align-items:center;justify-content:space-between;font-size:13.5px;color:var(--muted);}
.hero-float-top strong{color:var(--mint);font-size:13.5px;}
.bar{height:10px;border-radius:999px;background:var(--line);overflow:hidden;margin:12px 0 10px;}
.bar > span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#2E5BE0,#FF7A45);}
.hero-float p{font-size:12.5px;color:var(--muted);line-height:1.6;}

/* ---------- sections ---------- */
.section{padding:88px 0;}
.section.alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;letter-spacing:-.01em;}
.section-head .lead{margin-top:10px;font-size:15.5px;color:var(--muted);max-width:660px;}
.section-head .right{flex:0 0 auto;}

/* quick chips row */
.quick-row{display:flex;gap:12px;flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px;scrollbar-width:none;}
.quick-row::-webkit-scrollbar{display:none;}
.quick-item{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:10px;padding:12px 20px;
  background:#fff;border:1px solid var(--line);border-radius:999px;color:#334155;
  font-size:14.5px;font-weight:500;box-shadow:var(--sh-sm);
  transition:border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.quick-item i{color:var(--primary);font-size:14px;}
.quick-item:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px);box-shadow:var(--sh-md);}

/* timeline */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;}
.tl-step{position:relative;padding:0 26px 0 0;}
.tl-step::after{
  content:"";position:absolute;top:19px;left:44px;right:6px;height:0;
  border-top:1px dashed #C9D5EC;
}
.tl-step:last-child::after{display:none;}
.tl-dot{
  width:40px;height:40px;border-radius:50%;background:#fff;border:2px solid var(--primary);
  color:var(--primary);font-weight:700;font-size:15px;display:grid;place-items:center;
  position:relative;z-index:1;
}
.tl-step.on .tl-dot{background:var(--primary);color:#fff;}
.tl-step h3{font-size:17px;font-weight:600;margin:20px 0 10px;}
.tl-step p{font-size:14.5px;color:var(--muted);line-height:1.75;}
.tl-step p + p{margin-top:6px;}

/* card strip */
.strip{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.strip-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-sm);position:relative;height:100%;display:flex;flex-direction:column;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.strip-card:hover{transform:translateY(-2px);box-shadow:var(--sh-md);border-color:#D8E1F2;}
.strip-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.strip-badge{
  position:absolute;top:14px;right:14px;padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:rgba(255,122,69,.14);color:#C24A17;
}
.strip-badge.mint{background:rgba(47,180,160,.14);color:#1C7D6E;}
.strip-badge.blue{background:rgba(46,91,224,.12);color:var(--primary-dark);}
.strip-body{padding:24px;display:flex;flex-direction:column;gap:14px;flex:1;}
.strip-body h3{font-size:19px;line-height:1.45;font-weight:600;}
.strip-list li{display:flex;gap:10px;font-size:14.5px;color:#41506B;line-height:1.7;padding:3px 0;}
.strip-list i{color:var(--mint);font-size:13px;margin-top:6px;}
.strip-body .btn-ghost{margin-top:auto;}

/* progress panel */
.panel{
  background:#fff;border:1px solid var(--line);border-radius:22px;padding:44px;
  box-shadow:var(--sh-sm);
}
.panel-head{margin-bottom:32px;max-width:660px;}
.panel-head h2{font-size:clamp(22px,2.6vw,30px);}
.panel-head p{margin-top:10px;color:var(--muted);font-size:15.5px;}
.prog-item{padding:20px 0;border-top:1px solid var(--line);}
.prog-item:first-of-type{border-top:none;padding-top:0;}
.prog-top{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:12px;}
.prog-name{font-size:15.5px;font-weight:600;display:flex;align-items:center;gap:10px;}
.prog-name em{font-style:normal;font-size:13px;color:var(--muted);font-weight:500;}
.prog-val{font-size:16px;font-weight:700;color:var(--primary);}
.progress{--bs-progress-height:10px;--bs-progress-bg:#E6EBF4;--bs-progress-border-radius:999px;background:#E6EBF4;height:10px;border-radius:999px;}
.progress-bar{background:linear-gradient(90deg,#2E5BE0,#FF7A45);border-radius:999px;}
.nodes{display:flex;gap:22px;flex-wrap:wrap;margin-top:14px;}
.node{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);}
.node i{font-size:12px;}
.node.done i{color:var(--primary);}
.node.doing i{color:var(--accent);}
.node.todo i{color:#B4BFD2;}

/* cta band */
.cta-band{
  background:linear-gradient(115deg,#132450 0%,#0F1B33 58%,#1A2C55 100%);
  border-radius:24px;padding:44px 48px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:var(--sh-lg);position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(46,91,224,.55),transparent 65%);
}
.cta-left{position:relative;z-index:1;max-width:640px;}
.cta-left h2{color:#fff;font-size:clamp(21px,2.4vw,27px);line-height:1.4;}
.cta-left p{margin-top:12px;color:#9AA8C0;font-size:15px;}
.cta-right{position:relative;z-index:1;display:flex;flex-direction:column;align-items:flex-start;gap:10px;}
.cta-right small{color:#9AA8C0;font-size:13px;}

/* news */
.news-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:start;}
.news-feature{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-sm);height:100%;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.news-feature:hover{transform:translateY(-2px);box-shadow:var(--sh-md);border-color:#D8E1F2;color:inherit;}
.news-feature img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.news-feature-body{padding:26px;display:flex;flex-direction:column;gap:12px;}
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  padding:4px 12px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:rgba(47,180,160,.13);color:#1C7D6E;
}
.news-feature h3{font-size:21px;line-height:1.45;font-weight:600;color:var(--text);}
.news-feature:hover h3{color:var(--primary);}
.news-feature p{color:var(--muted);font-size:15px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--muted);margin-top:4px;}
.news-meta i{font-size:12px;}

.news-side{display:flex;flex-direction:column;gap:16px;}
.news-row{
  display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--line);
  border-radius:16px;padding:20px;box-shadow:var(--sh-sm);color:inherit;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.news-row:hover{transform:translateY(-2px);box-shadow:var(--sh-md);border-color:#D8E1F2;color:inherit;}
.news-row-body{flex:1;min-width:0;}
.news-row h3{
  font-size:16px;font-weight:600;line-height:1.5;margin-top:10px;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-row:hover h3{color:var(--primary);}
.news-row p{
  margin-top:8px;font-size:14px;color:var(--muted);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-row-meta{display:flex;align-items:center;gap:12px;font-size:12.5px;color:var(--muted);margin-top:12px;}
.news-row .go{color:#C3CDDF;font-size:14px;margin-top:18px;transition:transform .2s var(--ease),color .2s var(--ease);}
.news-row:hover .go{transform:translateX(4px);color:var(--primary);}

.empty-state{
  border:1px dashed #C9D5EC;border-radius:16px;background:#fff;
  padding:56px 24px;text-align:center;color:var(--muted);
}
.empty-state i{font-size:26px;color:#B4BFD2;display:block;margin-bottom:14px;}
.empty-state p{font-size:15px;}

/* accordion faq */
.faq-wrap{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
.accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--sh-sm);
}
.accordion-button{
  background:#fff;color:var(--text);font-size:17px;font-weight:600;padding:22px 24px;
  box-shadow:none;display:flex;align-items:center;gap:16px;
}
.accordion-button:not(.collapsed){color:var(--primary);background:#fff;box-shadow:none;}
.accordion-button:focus{box-shadow:0 0 0 3px rgba(46,91,224,.18);border-color:transparent;}
.accordion-button::after{display:none;}
.acc-icon{
  margin-left:auto;flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  background:var(--primary-soft);color:var(--primary);display:grid;place-items:center;
  font-size:12px;transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease);
}
.accordion-button:not(.collapsed) .acc-icon{transform:rotate(45deg);background:var(--primary);color:#fff;}
.accordion-body{padding:0 24px 24px;color:#41506B;font-size:15.5px;line-height:1.85;}

/* footer */
.site-footer{background:var(--dark);color:#C6D0E2;padding:66px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.f-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.f-brand .brand-mark{box-shadow:none;}
.f-brand span{color:#fff;font-size:17px;font-weight:700;}
.f-text{font-size:14px;color:#9AA8C0;line-height:1.9;max-width:320px;}
.f-social{display:flex;gap:12px;margin-top:20px;}
.f-social a{
  width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  background:rgba(255,255,255,.06);color:#C6D0E2;font-size:14px;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.f-social a:hover{background:var(--primary);color:#fff;}
.f-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:18px;}
.f-links li{margin-bottom:4px;}
.f-links a{color:#9AA8C0;font-size:14px;line-height:2;transition:color .2s var(--ease);}
.f-links a:hover{color:#fff;}
.f-contact li{font-size:14px;color:#9AA8C0;line-height:2;display:flex;gap:10px;align-items:flex-start;}
.f-contact i{color:var(--primary);margin-top:7px;font-size:13px;}
.f-note{margin-top:16px;font-size:12.5px;color:#6E7D97;line-height:1.8;}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.08);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#9AA8C0;
}
.footer-bottom a{color:#9AA8C0;font-size:13px;}
.footer-bottom a:hover{color:#fff;}
.footer-bottom .legal{display:flex;gap:20px;flex-wrap:wrap;}

/* offcanvas mobile */
.offcanvas{--bs-offcanvas-width:300px;}
.offcanvas-header{border-bottom:1px solid var(--line);}
.offcanvas-body{padding:20px 22px;}
.m-nav li{margin-bottom:6px;}
.m-nav a{
  display:block;padding:12px 16px;border-radius:12px;font-size:15.5px;color:#334155;font-weight:500;
}
.m-nav a.active{background:var(--primary-soft);color:var(--primary);font-weight:600;}
.m-nav a:hover{background:#F2F5FB;color:var(--primary);}
.m-cta{margin-top:18px;}
.m-cta .btn{width:100%;}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-visual{max-width:640px;}
  .hero{padding:72px 0 76px;}
  .news-grid{grid-template-columns:1fr;}
  .timeline{grid-template-columns:repeat(2,1fr);row-gap:40px;}
  .tl-step:nth-child(2)::after{display:none;}
  .tl-step{padding-right:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:991.98px){
  .desk-nav{display:none;}
  .brand-actions .desk-cta{display:none;}
  .hamburger{display:grid;}
  .strip{grid-template-columns:1fr;gap:18px;}
  .section{padding:64px 0;}
  .panel{padding:30px;}
  .cta-band{padding:34px 28px;}
  .hero-float{left:auto;right:12px;bottom:-18px;width:230px;}
}
@media (max-width:767.98px){
  .container{padding-left:16px;padding-right:16px;}
  .section{padding:48px 0;}
  .hero{padding:48px 0 60px;}
  .hero-metrics{gap:26px;padding-top:22px;}
  .metric-num{font-size:28px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px;}
  .timeline{grid-template-columns:1fr;row-gap:0;}
  .tl-step{padding:0 0 26px 0;}
  .tl-step::after{
    content:"";position:absolute;left:19px;top:44px;bottom:6px;width:0;height:auto;right:auto;
    border-top:none;border-left:1px dashed #C9D5EC;
  }
  .tl-step:nth-child(2)::after{display:block;}
  .tl-step:last-child::after{display:none;}
  .tl-step h3{margin-top:14px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .hero-float{position:static;width:100%;margin-top:16px;left:auto;right:auto;bottom:auto;}
  .hero-visual img{border-radius:18px;}
  .accordion-button{font-size:16px;padding:18px 18px;}
  .accordion-body{padding:0 18px 20px;}
  .cta-right{width:100%;}
  .cta-right .btn{width:100%;}
}
@media (max-width:575.98px){
  body{font-size:15.5px;}
  .brand-text{font-size:16.5px;}
  .hero-actions .btn{width:100%;}
  .news-feature-body{padding:20px;}
  .news-row{padding:16px;}
  .panel{padding:22px;}
  .prog-top{flex-direction:column;align-items:flex-start;gap:6px;}
}

/* roulang page: article */
:root{
  --primary:#2E5BE0;
  --primary-dark:#2449BC;
  --primary-soft:rgba(46,91,224,.10);
  --accent:#FF7A45;
  --mint:#2FB4A0;
  --bg:#F6F8FC;
  --card:#FFFFFF;
  --line:#E6EBF4;
  --text:#16233A;
  --muted:#667085;
  --dark:#0F1B33;
  --r-card:18px;
  --r-img:14px;
  --r-btn:12px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(16,24,40,.05);
  --sh-md:0 8px 24px -12px rgba(20,38,80,.18);
  --sh-lg:0 24px 60px -28px rgba(20,38,80,.28);
  --ease:200ms cubic-bezier(.2,.7,.3,1);

  --bs-primary:#2E5BE0;
  --bs-primary-rgb:46,91,224;
  --bs-body-color:#16233A;
  --bs-body-bg:#FFFFFF;
  --bs-border-color:#E6EBF4;
  --bs-border-radius:12px;
  --bs-link-color:#2E5BE0;
  --bs-link-hover-color:#2449BC;
  --bs-focus-ring-color:rgba(46,91,224,.28);
  --bs-font-sans-serif:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--primary);text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease);}
a:hover{color:var(--primary-dark);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text);}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(46,91,224,.28);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}

/* ============ 顶部品牌行 ============ */
.topbar{
  background:#fff;
  border-bottom:1px solid var(--line);
}
.topbar-inner{
  min-height:70px;
  display:flex;
  align-items:center;
  gap:24px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--text);
}
.brand:hover{color:var(--text);}
.brand-mark{
  width:38px;height:38px;border-radius:11px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--primary);
  color:#fff;font-size:16px;
  box-shadow:0 6px 16px -8px rgba(46,91,224,.75);
}
.brand-text{
  font-size:18px;font-weight:700;letter-spacing:-.01em;
  white-space:nowrap;
}
.desk-nav{
  display:flex;align-items:center;gap:6px;
  margin-left:12px;flex:1 1 auto;
}
.desk-nav a{
  position:relative;
  padding:8px 12px;
  font-size:14px;
  color:var(--muted);
  border-radius:10px;
}
.desk-nav a:hover{color:var(--primary);background:#F4F7FF;}
.desk-nav a.active{color:var(--primary);font-weight:600;}
.desk-nav a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--primary);border-radius:2px;
}
.topbar-actions{
  display:flex;align-items:center;gap:12px;margin-left:auto;flex:0 0 auto;
}
.icon-btn{
  width:40px;height:40px;border-radius:50%;
  border:1px solid var(--line);background:#fff;color:var(--muted);
  display:inline-flex;align-items:center;justify-content:center;
  transition:all var(--ease);
}
.icon-btn:hover{color:var(--primary);border-color:var(--primary);background:#F4F7FF;}
.hamburger{
  display:none;
  width:40px;height:40px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--text);
  align-items:center;justify-content:center;
}
.hamburger:hover{border-color:var(--primary);color:var(--primary);}

/* ============ 频道行 ============ */
.channelbar{
  position:sticky;top:0;z-index:1030;
  background:#F2F5FB;
  border-bottom:1px solid var(--line);
  box-shadow:0 8px 24px -20px rgba(20,38,80,.5);
}
.channelbar-inner{
  min-height:54px;
  display:flex;align-items:center;
}
.channel-scroll{
  display:flex;align-items:center;gap:8px;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
  padding:8px 0;
}
.channel-scroll::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 16px;
  font-size:14px;
  color:#475467;
  background:transparent;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  white-space:nowrap;
  transition:all var(--ease);
}
.chip:hover{background:#fff;color:var(--primary);border-color:#DCE4F5;}
.chip.active{
  background:var(--primary-soft);
  color:var(--primary);
  font-weight:600;
  border-color:rgba(46,91,224,.18);
  box-shadow:inset 0 -2px 0 0 var(--primary);
}

/* ============ 按钮 ============ */
.btn{
  --bs-btn-focus-box-shadow:0 0 0 3px rgba(46,91,224,.28);
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  transition:all var(--ease);
}
.btn-primary{
  --bs-btn-bg:#2E5BE0;
  --bs-btn-border-color:#2E5BE0;
  --bs-btn-hover-bg:#2449BC;
  --bs-btn-hover-border-color:#2449BC;
  --bs-btn-active-bg:#1F3FA6;
  --bs-btn-active-border-color:#1F3FA6;
  --bs-btn-color:#fff;
  --bs-btn-hover-color:#fff;
  --bs-btn-active-color:#fff;
  --bs-btn-disabled-bg:#9DB2EE;
  --bs-btn-disabled-border-color:#9DB2EE;
  padding:13px 24px;
  box-shadow:0 4px 14px -10px rgba(46,91,224,.9);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--sh-md);}
.btn-primary:active{transform:translateY(0);}
.btn-outline-soft{
  background:#fff;
  border:1px solid #D6DEEB;
  color:var(--primary);
  padding:12px 22px;
}
.btn-outline-soft:hover{background:#F4F7FF;border-color:var(--primary);color:var(--primary-dark);transform:translateY(-1px);}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 4px;color:var(--primary);font-weight:600;font-size:15px;
  background:transparent;border:0;
}
.btn-ghost i{transition:transform var(--ease);}
.btn-ghost:hover i{transform:translateX(4px);}
.btn-lg{padding:15px 28px;font-size:16px;}

/* ============ 徽章 ============ */
.badge-cat{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;
  background:rgba(47,180,160,.12);color:#1E7C6E;
}
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;
  background:var(--primary-soft);color:var(--primary);
}
.badge-accent{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;
  background:rgba(255,122,69,.13);color:#C9552A;
}

/* ============ 面包屑 ============ */
.crumb-wrap{padding:24px 0 0;}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);
}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:3px;}
.crumb .sep{color:#C3CBD9;}
.crumb .current{color:#3D4A63;font-weight:600;}

/* ============ 文章头部 ============ */
.article-shell{padding:26px 0 88px;}
.article-head{max-width:820px;}
.article-head h1{
  font-size:clamp(28px,4vw,42px);
  line-height:1.25;
  letter-spacing:-.01em;
  margin:14px 0 18px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px 22px;
  font-size:13.5px;color:var(--muted);
  margin-bottom:28px;
}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{color:#9AA8C0;}
.article-cover{
  margin:0 0 44px;
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh-sm);
  aspect-ratio:16/9;
  background:#EEF3FB;
}
.article-cover img{width:100%;height:100%;object-fit:cover;}

/* ============ 主体栅格 ============ */
.article-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:56px;
  align-items:start;
}
.article-main{min-width:0;}

/* ============ 正文排版 ============ */
.prose{
  max-width:780px;
  font-size:17px;
  line-height:1.9;
  color:#20304C;
  word-break:break-word;
}
.prose p{margin:0 0 1.25em;}
.prose h2{
  font-size:clamp(21px,2.2vw,25px);
  line-height:1.45;
  color:var(--text);
  margin:2.4em 0 .8em;
  padding-left:14px;
  border-left:4px solid var(--primary);
}
.prose h3{
  font-size:19px;
  line-height:1.5;
  font-weight:600;
  color:#111C33;
  margin:1.9em 0 .7em;
}
.prose h2:first-child,.prose h3:first-child{margin-top:0;}
.prose ul,.prose ol{padding-left:1.4em;margin:0 0 1.25em;}
.prose ul{list-style:disc;}
.prose ol{list-style:decimal;}
.prose li{margin-bottom:.5em;}
.prose ul li::marker,.prose ol li::marker{color:var(--primary);font-weight:700;}
.prose blockquote{
  margin:1.6em 0;
  padding:20px 22px;
  background:#F2F6FF;
  border-left:3px solid var(--primary);
  border-radius:12px;
  color:#3A4A66;
}
.prose blockquote p:last-child{margin-bottom:0;}
.prose img{border-radius:var(--r-img);margin:1.6em auto;}
.prose figure{margin:1.6em 0;}
.prose figcaption{
  font-size:13px;color:var(--muted);text-align:center;margin-top:10px;
}
.prose a{text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:2px;}
.prose table{
  width:100%;
  border-collapse:separate;
  border-spacing:0;
  border:1px solid var(--line);
  border-radius:var(--r-img);
  overflow:hidden;
  margin:1.6em 0;
  font-size:15.5px;
}
.prose thead th{background:#F2F5FA;color:var(--text);font-weight:600;}
.prose th,.prose td{
  padding:12px 16px;
  text-align:left;
  border-bottom:1px solid var(--line);
}
.prose tbody tr:last-child td{border-bottom:0;}
.prose code{
  background:#F2F5FA;
  border-radius:6px;
  padding:2px 7px;
  font-size:14px;
  color:#334;
}
.prose pre{
  background:#0F1B33;color:#DDE6F7;
  padding:18px 20px;border-radius:var(--r-img);
  overflow-x:auto;font-size:14px;
}
.prose pre code{background:transparent;color:inherit;padding:0;}
.prose hr{border:0;border-top:1px solid var(--line);margin:2.2em 0;}

/* ============ 侧栏 ============ */
.article-aside{
  position:sticky;top:92px;
  display:flex;flex-direction:column;gap:20px;
}
.aside-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:22px;
  box-shadow:var(--sh-sm);
}
.aside-title{
  font-size:14px;font-weight:700;color:var(--text);
  padding-bottom:14px;border-bottom:1px solid var(--line);
  margin-bottom:14px;
}
.aside-list li + li{margin-top:14px;}
.aside-list a{
  display:block;font-size:14.5px;line-height:1.6;color:#31405C;
}
.aside-list a:hover{color:var(--primary);}
.aside-list .mini{display:block;font-size:12.5px;color:var(--muted);margin-top:4px;}
.aside-cta{
  background:linear-gradient(180deg,#F0F5FF 0%,#E7EEFF 100%);
  border:1px solid #DCE5FA;
  border-radius:var(--r-card);
  padding:22px;
}
.aside-cta p{font-size:13.5px;color:#4A5A78;margin:8px 0 14px;}

/* ============ 文章尾区 ============ */
.tail-block{margin-top:52px;max-width:820px;}
.tail-title{
  font-size:16px;font-weight:700;margin-bottom:16px;
  display:flex;align-items:center;gap:10px;
}
.tail-title::before{
  content:"";width:4px;height:16px;border-radius:2px;background:var(--primary);
}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;
  padding:7px 15px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);
  font-size:13.5px;color:#4A5A78;
}
.tag:hover{border-color:var(--primary);color:var(--primary);background:#F7F9FF;}
.rel-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;
}
.rel-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-sm);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  display:flex;flex-direction:column;
}
.rel-card:hover{transform:translateY(-2px);box-shadow:var(--sh-md);border-color:#D8E1F2;}
.rel-card .thumb{aspect-ratio:16/9;overflow:hidden;background:#EEF3FB;}
.rel-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 400ms cubic-bezier(.2,.7,.3,1);}
.rel-card:hover .thumb img{transform:scale(1.04);}
.rel-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rel-body h3{
  font-size:15.5px;line-height:1.5;font-weight:600;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-body p{
  font-size:13.5px;line-height:1.6;color:var(--muted);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-body .rel-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--muted);
}
.rel-body .rel-foot i{transition:transform var(--ease);}
.rel-card:hover .rel-foot i{transform:translateX(4px);color:var(--primary);}
.prevnext{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;
}
.pn-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px 20px;box-shadow:var(--sh-sm);
  transition:all var(--ease);
}
.pn-item:hover{border-color:#D8E1F2;box-shadow:var(--sh-md);transform:translateY(-2px);}
.pn-item .pn-label{font-size:12.5px;color:var(--muted);display:block;margin-bottom:6px;}
.pn-item .pn-text{font-size:15px;font-weight:600;color:var(--text);line-height:1.5;}
.pn-next{text-align:right;}

/* ============ 空态 ============ */
.empty-article{padding:56px 0 96px;}
.empty-state{
  border:1px dashed #CDD7E6;
  border-radius:var(--r-card);
  background:#fff;
  padding:64px 24px;
  text-align:center;
  max-width:780px;
}
.empty-state i{font-size:34px;color:#9AA8C0;}
.empty-state h1{font-size:24px;margin:18px 0 10px;}
.empty-state p{color:var(--muted);font-size:15px;margin:0 0 22px;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--dark);
  color:#C8D2E4;
  padding:64px 0 0;
  margin-top:24px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1.4fr;
  gap:40px;
  padding-bottom:44px;
}
.f-brand{
  display:flex;align-items:center;gap:10px;
  color:#fff;font-size:17px;font-weight:700;margin-bottom:14px;
}
.f-brand .brand-mark{width:34px;height:34px;font-size:15px;}
.f-text{font-size:13.5px;line-height:1.85;color:#9AA8C0;margin:0 0 18px;max-width:330px;}
.f-social{display:flex;gap:10px;}
.f-social a{
  width:36px;height:36px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.06);color:#9AA8C0;font-size:14px;
  transition:all var(--ease);
}
.f-social a:hover{background:var(--primary);color:#fff;}
.f-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;}
.f-links li{margin-bottom:10px;}
.f-links a{font-size:13.5px;color:#9AA8C0;line-height:2;}
.f-links a:hover{color:#fff;}
.f-contact li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:13.5px;color:#9AA8C0;margin-bottom:12px;line-height:1.7;
}
.f-contact i{margin-top:4px;color:#5C7099;}
.f-note{font-size:12.5px;line-height:1.8;color:#7D8CA8;margin:0;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:12px 24px;
  align-items:center;justify-content:space-between;
  font-size:13px;color:#9AA8C0;
}
.legal{display:flex;flex-wrap:wrap;gap:18px;}
.legal a{font-size:13px;color:#9AA8C0;}
.legal a:hover{color:#fff;}

/* ============ 移动端抽屉 ============ */
.offcanvas.drawer{background:#fff;max-width:82vw;}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 20px;border-bottom:1px solid var(--line);
}
.drawer-list{padding:12px 12px 24px;}
.drawer-list a{
  display:flex;align-items:center;gap:10px;
  padding:14px 16px;border-radius:12px;
  font-size:15px;color:#31405C;
}
.drawer-list a:hover{background:#F4F7FF;color:var(--primary);}
.drawer-list a.active{background:var(--primary-soft);color:var(--primary);font-weight:600;}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .article-grid{grid-template-columns:minmax(0,1fr);gap:0;}
  .article-aside{position:static;display:none;}
  .prose{max-width:100%;}
}
@media (max-width:991.98px){
  .desk-nav{display:none;}
  .hamburger{display:inline-flex;}
  .topbar-actions .btn{display:none;}
  .brand-text{font-size:17px;}
  .article-shell{padding:20px 0 64px;}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
}
@media (max-width:767.98px){
  .container{padding-left:16px;padding-right:16px;}
  .brand-mark{width:34px;height:34px;font-size:15px;}
  .brand-text{font-size:16px;}
  .icon-btn{display:none;}
  .crumb-wrap{padding-top:18px;}
  .article-head h1{margin:12px 0 14px;}
  .article-cover{margin-bottom:30px;}
  .prose{font-size:16px;line-height:1.85;}
  .prose h2{margin:2em 0 .7em;}
  .prevnext{grid-template-columns:minmax(0,1fr);}
  .pn-next{text-align:left;}
  .rel-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:30px;padding-bottom:34px;}
  .footer-bottom{justify-content:flex-start;}
  .site-footer{padding-top:48px;}
}
@media (max-width:575.98px){
  .article-meta{gap:10px 16px;font-size:13px;}
  .empty-state{padding:44px 18px;}
}

/* roulang page: category1 */
:root{
  --primary:#2E5BE0;
  --primary-rgb:46,91,224;
  --primary-dark:#2348BC;
  --primary-soft:#EAF0FF;
  --accent:#FF7A45;
  --accent-soft:#FFF0E9;
  --mint:#2FB4A0;
  --mint-soft:#E6F7F3;
  --bg:#F6F8FC;
  --card:#FFFFFF;
  --line:#E6EBF4;
  --line-strong:#D6DEEB;
  --text:#16233A;
  --muted:#667085;
  --dark:#0F1B33;
  --r-card:18px;
  --r-img:14px;
  --r-btn:12px;
  --sh-sm:0 1px 2px rgba(16,24,40,.05);
  --sh-md:0 8px 24px -12px rgba(20,38,80,.18);
  --sh-lg:0 24px 60px -28px rgba(20,38,80,.28);
  --ease:200ms cubic-bezier(.2,.7,.3,1);
  --bs-primary:#2E5BE0;
  --bs-primary-rgb:46,91,224;
  --bs-body-color:#16233A;
  --bs-body-bg:#F6F8FC;
  --bs-border-color:#E6EBF4;
  --bs-border-radius:12px;
  --bs-border-radius-lg:18px;
  --bs-font-sans-serif:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --bs-link-color:#2E5BE0;
  --bs-link-hover-color:#2348BC;
  --bs-focus-ring-color:rgba(46,91,224,.28);
  --bs-focus-ring-width:3px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color var(--ease),border-color var(--ease),background-color var(--ease);}
a:hover{color:var(--primary-dark);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:2px;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;letter-spacing:-.01em;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(46,91,224,.28);outline-offset:2px;border-radius:6px;}

.container{max-width:1200px;padding-left:24px;padding-right:24px;}
@media (max-width:767.98px){.container{padding-left:16px;padding-right:16px;}}

/* ============ 顶部导航 ============ */
.site-header{position:relative;z-index:50;}
.brand-bar{background:#fff;border-bottom:1px solid var(--line);}
.brand-row{display:flex;align-items:center;justify-content:space-between;height:74px;gap:16px;}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;}
.brand:hover{text-decoration:none;}
.brand-mark{
  width:38px;height:38px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,#2E5BE0,#4A7BF0);color:#fff;font-size:16px;
  box-shadow:0 6px 16px -8px rgba(46,91,224,.75);
}
.brand-text{font-size:18px;font-weight:700;color:var(--text);letter-spacing:-.01em;}
.brand-actions{display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line-strong);background:#fff;
  color:var(--muted);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  transition:all var(--ease);
}
.icon-btn:hover{color:var(--primary);border-color:var(--primary);background:#F4F7FF;}
.menu-btn{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line-strong);background:#fff;
  color:var(--text);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
}
.search-wrap{display:none;}
.search-wrap.open{display:block;}
.search-box{
  display:flex;align-items:center;gap:10px;background:#F6F8FC;border:1px solid var(--line);
  border-radius:12px;padding:0 14px;height:46px;min-width:260px;
}
.search-box input{border:0;background:transparent;outline:none;height:100%;width:100%;font-size:15px;color:var(--text);}

.channel-bar{background:#F2F5FB;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:45;}
.channel-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:60px;}
.desk-nav{display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none;padding:8px 0;}
.desk-nav::-webkit-scrollbar{display:none;}
.desk-nav a{
  position:relative;flex:0 0 auto;padding:9px 16px;border-radius:999px;font-size:15px;font-weight:600;
  color:#4B5565;white-space:nowrap;transition:all var(--ease);
}
.desk-nav a:hover{background:#E7EEFF;color:var(--primary);text-decoration:none;}
.desk-nav a.active{background:#E1E9FF;color:var(--primary);}
.desk-nav a.active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:2px;height:2px;border-radius:2px;background:var(--primary);
}
.channel-hint{font-size:13px;color:var(--muted);white-space:nowrap;display:flex;align-items:center;gap:6px;}
.channel-hint i{color:var(--mint);}
@media (max-width:991.98px){
  .channel-hint{display:none;}
}

/* ============ 按钮 ============ */
.btn{border-radius:var(--r-btn);font-weight:600;font-size:15px;transition:all var(--ease);border-width:1px;text-decoration:none;}
.btn-main,.btn-primary{
  background:var(--primary);border-color:var(--primary);color:#fff;
  height:48px;padding:0 24px;display:inline-flex;align-items:center;justify-content:center;gap:8px;
  --bs-btn-bg:var(--primary);--bs-btn-border-color:var(--primary);--bs-btn-hover-bg:var(--primary-dark);
  --bs-btn-hover-border-color:var(--primary-dark);--bs-btn-active-bg:var(--primary-dark);--bs-btn-color:#fff;
  --bs-btn-hover-color:#fff;--bs-btn-active-color:#fff;--bs-btn-disabled-bg:var(--primary);--bs-btn-disabled-border-color:var(--primary);
  box-shadow:0 6px 18px -10px rgba(46,91,224,.8);
}
.btn-main:hover,.btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md);text-decoration:none;}
.btn-main:active,.btn-primary:active{transform:translateY(0);}
.btn-outline-main,.btn-outline-primary{
  background:#fff;border:1px solid var(--line-strong);color:var(--primary);
  height:48px;padding:0 24px;display:inline-flex;align-items:center;justify-content:center;gap:8px;
  --bs-btn-color:var(--primary);--bs-btn-border-color:var(--line-strong);--bs-btn-hover-bg:#F4F7FF;
  --bs-btn-hover-border-color:var(--primary);--bs-btn-hover-color:var(--primary);
  --bs-btn-active-bg:#F4F7FF;--bs-btn-active-color:var(--primary);
}
.btn-outline-main:hover,.btn-outline-primary:hover{background:#F4F7FF;border-color:var(--primary);color:var(--primary);text-decoration:none;}
.btn-ghost{
  background:transparent;border:0;color:var(--primary);padding:8px 0;display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:15px;
}
.btn-ghost i{transition:transform var(--ease);}
.btn-ghost:hover{color:var(--primary-dark);text-decoration:none;}
.btn-ghost:hover i{transform:translateX(4px);}
@media (max-width:767.98px){
  .btn-main,.btn-primary,.btn-outline-main,.btn-outline-primary{height:46px;width:100%;}
}

/* ============ 页头信息区 ============ */
.cat-head{padding:64px 0 40px;background:
  radial-gradient(900px 320px at 12% -30%, rgba(46,91,224,.10), transparent 62%),
  linear-gradient(180deg,#FFFFFF 0%,#F6F8FC 100%);}
.cat-chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px;overflow-x:auto;scrollbar-width:none;}
.cat-chips::-webkit-scrollbar{display:none;}
.chip{
  display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:999px;font-size:14px;font-weight:600;
  background:#fff;border:1px solid var(--line);color:var(--muted);white-space:nowrap;transition:all var(--ease);
}
.chip:hover{border-color:var(--primary);color:var(--primary);text-decoration:none;}
.chip.chip-active{background:var(--primary-soft);border-color:rgba(46,91,224,.28);color:var(--primary);}
.chip.chip-mint{background:var(--mint-soft);border-color:rgba(47,180,160,.28);color:#1E8574;}
.cat-head h1{font-size:clamp(28px,4.2vw,44px);line-height:1.25;font-weight:700;max-width:860px;}
.cat-head h1 em{font-style:normal;color:var(--primary);}
.cat-lead{margin-top:16px;max-width:760px;font-size:17px;color:var(--muted);line-height:1.8;}
.cat-meta{display:flex;flex-wrap:wrap;gap:24px;margin-top:26px;padding-top:22px;border-top:1px solid var(--line);}
.cat-meta div{display:flex;flex-direction:column;gap:2px;}
.cat-meta .num{font-size:26px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--primary);line-height:1.2;}
.cat-meta .lbl{font-size:13px;color:var(--muted);}

/* ============ 主体布局 ============ */
.cat-main{padding:64px 0 88px;}
.cat-layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:48px;align-items:start;}
.side-nav{position:sticky;top:96px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-sm);}
.side-nav .side-title{font-size:14px;font-weight:700;color:var(--muted);letter-spacing:.04em;margin-bottom:14px;}
.side-nav ul{display:flex;flex-direction:column;gap:4px;}
.side-nav a{
  display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;font-size:15px;color:#41506B;font-weight:500;transition:all var(--ease);
}
.side-nav a:hover{background:#F2F6FF;color:var(--primary);text-decoration:none;}
.side-nav a.active{background:var(--primary-soft);color:var(--primary);font-weight:600;}
.side-nav a span.dot{width:6px;height:6px;border-radius:50%;background:var(--line-strong);flex:0 0 auto;}
.side-nav a.active span.dot{background:var(--primary);}
.side-foot{margin-top:18px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;color:var(--muted);line-height:1.7;}
.side-foot a{font-weight:600;}

.content-flow{display:flex;flex-direction:column;gap:56px;}
.sec{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:34px;box-shadow:var(--sh-sm);transition:box-shadow var(--ease),transform var(--ease);}
.sec:hover{box-shadow:var(--sh-md);}
.sec-tag{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;font-size:13px;font-weight:600;background:var(--mint-soft);color:#1E8574;margin-bottom:14px;}
.sec h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;margin-bottom:14px;}
.sec h2::before{content:"";display:inline-block;width:4px;height:20px;border-radius:2px;background:var(--primary);margin-right:12px;vertical-align:-2px;}
.sec p{color:#41506B;}
.sec p.lead{font-size:17px;color:var(--text);}
.split{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center;}
.split.rev .split-media{order:-1;}
.split-media img{border-radius:var(--r-img);width:100%;aspect-ratio:16/10;object-fit:cover;box-shadow:var(--sh-md);}
.split-media figcaption{font-size:13px;color:var(--muted);margin-top:10px;}

.check-list{display:flex;flex-direction:column;gap:12px;margin-top:18px;}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:#41506B;}
.check-list li i{color:var(--primary);margin-top:5px;flex:0 0 auto;}
.check-list li b{color:var(--text);font-weight:600;}

.steps{display:flex;flex-direction:column;gap:0;margin-top:22px;}
.step{display:flex;gap:18px;padding:18px 0;border-bottom:1px dashed var(--line);}
.step:last-child{border-bottom:0;padding-bottom:0;}
.step-no{
  width:40px;height:40px;flex:0 0 auto;border-radius:50%;border:1px solid rgba(46,91,224,.35);background:#fff;color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;font-variant-numeric:tabular-nums;
}
.step.on .step-no{background:var(--primary);border-color:var(--primary);color:#fff;}
.step h3{font-size:18px;font-weight:600;margin-bottom:6px;}
.step p{margin:0;font-size:15px;color:var(--muted);}
.note-box{
  background:#F6F8FC;border:1px solid var(--line);border-left:3px solid var(--primary);border-radius:12px;
  padding:18px 20px;font-size:15px;color:#41506B;margin-top:20px;
}
.badge-soft{display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:600;background:var(--accent-soft);color:#C9521F;}

/* ============ FAQ ============ */
.faq-wrap{padding:80px 0;background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-head{max-width:640px;margin-bottom:36px;}
.sec-head h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;margin-bottom:12px;}
.sec-head p{color:var(--muted);margin:0;}
.accordion-item{
  border:1px solid var(--line);border-radius:var(--r-card)!important;background:#fff;margin-bottom:14px;overflow:hidden;box-shadow:var(--sh-sm);
  transition:box-shadow var(--ease);
}
.accordion-item:hover{box-shadow:var(--sh-md);}
.accordion-button{
  background:#fff;color:var(--text);font-weight:600;font-size:17px;padding:22px 24px;border:0;box-shadow:none!important;
  display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.accordion-button:not(.collapsed){color:var(--primary);background:#FBFCFE;}
.accordion-button::after{
  display:flex;align-items:center;justify-content:center;width:28px;height:28px;flex:0 0 auto;
  background-image:none;content:"+";font-size:20px;font-weight:600;color:var(--primary);
  border:1px solid rgba(46,91,224,.3);border-radius:50%;transition:transform var(--ease);
}
.accordion-button:not(.collapsed)::after{transform:rotate(45deg);}
.accordion-body{padding:0 24px 22px;color:#41506B;font-size:15.5px;line-height:1.85;}

/* ============ CTA ============ */
.cta-band{
  background:linear-gradient(120deg,#12224A 0%,#1C3C86 55%,#2E5BE0 100%);
  color:#fff;border-radius:0;padding:48px 0;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-inner h2{color:#fff;font-size:clamp(20px,2.2vw,26px);margin-bottom:8px;}
.cta-inner p{color:rgba(255,255,255,.78);margin:0;font-size:15px;}
.cta-actions{display:flex;flex-direction:column;align-items:flex-end;gap:8px;}
.cta-actions .tip{font-size:13px;color:rgba(255,255,255,.65);}
.btn-onDark{
  background:#fff;color:#16305F;border:0;height:48px;padding:0 26px;border-radius:var(--r-btn);font-weight:700;
  display:inline-flex;align-items:center;gap:10px;transition:all var(--ease);
}
.btn-onDark:hover{background:#F2F6FF;color:#16305F;transform:translateY(-1px);box-shadow:0 12px 28px -14px rgba(0,0,0,.6);text-decoration:none;}
@media (max-width:767.98px){
  .cta-actions{align-items:stretch;width:100%;}
  .btn-onDark{width:100%;justify-content:center;}
}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:#9AA8C0;padding:64px 0 0;font-size:14px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:48px;}
.f-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:16px;}
.f-brand .brand-mark{background:linear-gradient(140deg,#3A6BFF,#6E93FF);box-shadow:none;width:34px;height:34px;border-radius:10px;font-size:14px;}
.f-text{color:#9AA8C0;line-height:1.9;margin-bottom:18px;max-width:340px;}
.f-social{display:flex;gap:10px;}
.f-social a{
  width:38px;height:38px;border-radius:11px;background:rgba(255,255,255,.06);color:#C7D2E4;
  display:inline-flex;align-items:center;justify-content:center;transition:all var(--ease);
}
.f-social a:hover{background:rgba(255,255,255,.14);color:#fff;text-decoration:none;}
.f-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;}
.f-links li,.f-contact li{line-height:2;}
.f-links a{color:#9AA8C0;}
.f-links a:hover{color:#fff;text-decoration:none;}
.f-contact li{display:flex;gap:10px;align-items:flex-start;color:#9AA8C0;}
.f-contact li i{margin-top:6px;color:#5C7099;}
.f-note{margin-top:14px;font-size:13px;color:#7A8AA8;line-height:1.8;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.09);padding:20px 0;display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13px;color:#9AA8C0;
}
.footer-bottom .legal{display:flex;gap:18px;flex-wrap:wrap;}
.footer-bottom a{color:#9AA8C0;font-size:13px;}
.footer-bottom a:hover{color:#fff;text-decoration:none;}

@media (max-width:1199.98px){
  .cat-layout{grid-template-columns:1fr;}
  .side-nav{position:static;display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px;}
  .side-nav .side-title{width:100%;margin-bottom:4px;}
  .side-nav ul{flex-direction:row;flex-wrap:wrap;gap:8px;overflow-x:auto;}
  .side-nav a{background:#F6F8FC;border:1px solid var(--line);}
  .side-foot{display:none;}
}
@media (max-width:991.98px){
  .split{grid-template-columns:1fr;gap:22px;}
  .split.rev .split-media{order:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cat-head{padding:48px 0 32px;}
  .cat-main{padding:48px 0 64px;}
  .content-flow{gap:36px;}
  .sec{padding:24px;}
  .faq-wrap{padding:56px 0;}
}
@media (max-width:575.98px){
  .footer-grid{grid-template-columns:1fr;}
  .brand-text{font-size:16px;}
  .cat-meta{gap:18px;}
  .cta-band{padding:36px 0;}
  .foot-legal{gap:12px;}
}
.offcanvas{border-radius:0 18px 18px 0;}
.offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px;}
.offcanvas-body{padding:18px 20px;}
.oc-link{
  display:flex;align-items:center;justify-content:space-between;padding:14px 4px;font-size:16px;font-weight:600;color:var(--text);
  border-bottom:1px solid var(--line);
}
.oc-link:hover,.oc-link.active{color:var(--primary);text-decoration:none;}

/* roulang page: category2 */
:root{
    --pri:#2E5BE0;
    --pri-d:#2449C0;
    --pri-l:#F4F7FF;
    --pri-soft:rgba(46,91,224,.10);
    --accent:#FF7A45;
    --mint:#2FB4A0;
    --bg:#F6F8FC;
    --card:#FFFFFF;
    --line:#E6EBF4;
    --ink:#16233A;
    --ink-2:#3C4A63;
    --muted:#667085;
    --dark:#0F1B33;
    --r-card:18px;
    --r-img:14px;
    --r-btn:12px;
    --r-pill:999px;
    --sh-sm:0 1px 2px rgba(16,24,40,.05);
    --sh-md:0 8px 24px -12px rgba(20,38,80,.18);
    --sh-lg:0 24px 60px -28px rgba(20,38,80,.28);
    --ease:200ms cubic-bezier(.2,.7,.3,1);
    --sec:88px;
    --bs-primary:#2E5BE0;
    --bs-primary-rgb:46,91,224;
    --bs-body-color:#16233A;
    --bs-body-bg:#F6F8FC;
    --bs-border-color:#E6EBF4;
    --bs-border-radius:12px;
    --bs-font-sans-serif:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
    --bs-link-color:#2E5BE0;
    --bs-link-hover-color:#2449C0;
    --bs-focus-ring-color:rgba(46,91,224,.28);
    --bs-accordion-btn-focus-box-shadow:0 0 0 3px rgba(46,91,224,.28);
    --bs-accordion-active-color:#2E5BE0;
    --bs-accordion-active-bg:#FFFFFF;
  }

  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    font-family:var(--bs-font-sans-serif);
    font-size:16px;
    line-height:1.75;
    color:var(--ink);
    background:var(--bg);
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block}
  a{color:var(--pri);text-decoration:none;transition:color var(--ease)}
  a:hover{color:var(--pri-d);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:2px}
  button{font-family:inherit}
  h1,h2,h3,h4{margin:0;letter-spacing:-.01em;color:var(--ink)}
  ul{margin:0;padding:0;list-style:none}
  p{margin:0}
  :focus-visible{outline:3px solid rgba(46,91,224,.28);outline-offset:2px;border-radius:8px}

  .container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;width:100%}
  @media (max-width:767px){.container{padding-left:16px;padding-right:16px}}

  /* ============ 导航 ============ */
  .site-header{position:relative;z-index:1030}
  .brand-bar{background:#fff;border-bottom:1px solid var(--line)}
  .brand-inner{display:flex;align-items:center;gap:20px;min-height:72px}
  .logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);flex:0 0 auto}
  .logo:hover{text-decoration:none;color:var(--ink)}
  .brand-mark{
    width:36px;height:36px;border-radius:11px;flex:0 0 36px;
    background:linear-gradient(135deg,#2E5BE0,#4C79F0);
    color:#fff;display:flex;align-items:center;justify-content:center;font-size:15px;
    box-shadow:0 8px 18px -10px rgba(46,91,224,.85);
  }
  .logo-text{font-size:18px;font-weight:700;letter-spacing:-.01em;white-space:nowrap}
  .desk-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
  .desk-nav a{
    display:inline-block;padding:8px 14px;border-radius:var(--r-pill);
    font-size:15px;color:var(--muted);text-decoration:none;white-space:nowrap;
    transition:background var(--ease),color var(--ease);
  }
  .desk-nav a:hover{background:var(--pri-l);color:var(--pri);text-decoration:none}
  .desk-nav a.active{background:var(--pri-l);color:var(--pri);font-weight:600}
  .brand-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
  .icon-btn{
    width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:#fff;
    color:var(--ink-2);display:inline-flex;align-items:center;justify-content:center;
    cursor:pointer;transition:border-color var(--ease),color var(--ease),background var(--ease);
  }
  .icon-btn:hover{border-color:var(--pri);color:var(--pri);background:var(--pri-l)}
  .cta-sm{
    display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 20px;
    border-radius:var(--r-btn);background:var(--pri);color:#fff;font-size:15px;font-weight:600;
    border:none;text-decoration:none;box-shadow:0 10px 22px -14px rgba(46,91,224,.95);
    transition:background var(--ease),transform var(--ease),box-shadow var(--ease);
  }
  .cta-sm:hover{background:var(--pri-d);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md);text-decoration:none}
  .cta-sm:active{transform:translateY(0)}
  .hamburger{
    display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
    background:#fff;color:var(--ink);cursor:pointer;
  }
  .channel-bar{
    position:sticky;top:0;z-index:1029;background:#F2F5FB;border-bottom:1px solid var(--line);
    box-shadow:0 1px 0 rgba(16,24,40,.03);
  }
  .channel-inner{display:flex;align-items:center;gap:10px;min-height:56px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
  .channel-inner::-webkit-scrollbar{display:none}
  .chip{
    flex:0 0 auto;padding:8px 16px;border-radius:var(--r-pill);font-size:14.5px;
    color:#4A5A75;background:transparent;border:1px solid transparent;white-space:nowrap;
    transition:background var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease);
  }
  .chip:hover{background:#fff;border-color:var(--line);color:var(--pri);text-decoration:none}
  .chip.active{
    color:var(--pri);background:rgba(46,91,224,.10);border-color:rgba(46,91,224,.18);
    font-weight:600;box-shadow:inset 0 -2px 0 0 var(--pri);
  }
  .channel-label{flex:0 0 auto;font-size:13px;color:var(--muted);letter-spacing:.06em;padding-right:4px;border-right:1px solid var(--line);margin-right:4px}

  /* 移动抽屉 */
  .mobile-drawer{background:#fff;max-width:320px}
  .mobile-drawer .offcanvas-header{border-bottom:1px solid var(--line);padding:20px 22px}
  .drawer-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:var(--ink)}
  .mobile-drawer .offcanvas-body{padding:18px 22px 28px}
  .drawer-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:22px}
  .drawer-nav a{
    padding:13px 16px;border-radius:12px;font-size:16px;color:var(--ink-2);background:#F8FAFE;
    transition:background var(--ease),color var(--ease);
  }
  .drawer-nav a:hover{background:var(--pri-l);color:var(--pri);text-decoration:none}
  .drawer-nav a.active{background:var(--pri-soft);color:var(--pri);font-weight:600}
  .drawer-cta{display:flex;justify-content:center;align-items:center;height:48px;border-radius:var(--r-btn);background:var(--pri);color:#fff;font-weight:600}
  .drawer-cta:hover{background:var(--pri-d);color:#fff;text-decoration:none}
  .mobile-drawer .btn-close{background:none;opacity:.55;position:relative;width:32px;height:32px}
  .mobile-drawer .btn-close::before{content:"\f00d";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:16px;color:var(--ink)}

  @media (max-width:991px){
    .desk-nav{display:none}
    .hamburger{display:inline-flex;align-items:center;justify-content:center}
    .brand-actions .cta-sm{display:none}
    .brand-actions .icon-btn{display:none}
  }

  /* ============ 通栏 KV ============ */
  .page-kv{
    position:relative;min-height:360px;display:flex;align-items:center;overflow:hidden;
    background-image:url('/assets/images/backpic/back-2.png');
    background-size:cover;background-position:center 40%;
  }
  .page-kv::before{
    content:"";position:absolute;inset:0;
    background:linear-gradient(100deg,rgba(11,20,40,.94),rgba(14,26,52,.78) 52%,rgba(14,26,52,.44));
  }
  .kv-inner{position:relative;z-index:2;padding-top:64px;padding-bottom:64px;color:#fff}
  .crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.66);margin-bottom:18px;flex-wrap:wrap}
  .crumbs a{color:rgba(255,255,255,.8)}
  .crumbs a:hover{color:#fff}
  .crumbs span{color:rgba(255,255,255,.45)}
  .kv-tag{
    display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);
    background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);
    font-size:13.5px;color:#fff;margin-bottom:18px;backdrop-filter:none;
  }
  .kv-inner h1{
    color:#fff;font-size:clamp(28px,4.2vw,44px);line-height:1.25;font-weight:700;letter-spacing:-.01em;
    max-width:820px;
  }
  .kv-lead{margin-top:16px;font-size:clamp(15.5px,1.4vw,18px);color:rgba(255,255,255,.84);max-width:620px;line-height:1.7}
  .kv-actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:32px}
  .btn-primary-lg,.btn-ghost-lg{
    display:inline-flex;align-items:center;gap:10px;height:48px;padding:0 24px;border-radius:var(--r-btn);
    font-size:16px;font-weight:600;text-decoration:none;
    transition:background var(--ease),transform var(--ease),box-shadow var(--ease),border-color var(--ease),color var(--ease);
  }
  .btn-primary-lg{background:var(--pri);color:#fff;border:none;box-shadow:0 14px 28px -16px rgba(46,91,224,1)}
  .btn-primary-lg:hover{background:var(--pri-d);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md);text-decoration:none}
  .btn-primary-lg:active{transform:translateY(0)}
  .btn-outline-light-lg{
    display:inline-flex;align-items:center;gap:10px;height:48px;padding:0 24px;border-radius:var(--r-btn);
    background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.38);color:#fff;font-size:16px;font-weight:600;
    transition:background var(--ease),border-color var(--ease),transform var(--ease);
  }
  .btn-outline-light-lg:hover{background:rgba(255,255,255,.16);border-color:#fff;color:#fff;transform:translateY(-1px);text-decoration:none}

  /* ============ 区块通用 ============ */
  .section{padding:var(--sec) 0}
  .section-tight{padding:56px 0 0}
  .sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
  .sec-head h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;font-weight:700}
  .sec-sub{margin-top:8px;color:var(--muted);font-size:15px;max-width:680px}
  .sec-more{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--pri)}
  .sec-more i{transition:transform var(--ease)}
  .sec-more:hover i{transform:translateX(4px)}
  .sec-more:hover{text-decoration:none}

  /* ============ 指标条 ============ */
  .stats{
    display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
    background:#fff;border:1px solid var(--line);border-radius:22px;
    padding:32px 36px;box-shadow:var(--sh-sm);
    margin-top:-48px;position:relative;z-index:5;
  }
  .stat-num{
    font-size:clamp(30px,3.4vw,38px);font-weight:700;color:var(--ink);
    font-variant-numeric:tabular-nums;letter-spacing:-.02em;line-height:1.1;
  }
  .stat-num em{font-style:normal;color:var(--pri);font-size:.6em;margin-left:4px;font-weight:600}
  .stat-label{margin-top:8px;font-size:14px;color:var(--muted)}
  .stat-item{border-left:1px solid var(--line);padding-left:24px}
  .stat-item:first-child{border-left:none;padding-left:0}
  @media (max-width:767px){
    .stats{grid-template-columns:1fr;gap:20px;padding:26px 22px;margin-top:-36px}
    .stat-item{border-left:none;padding-left:0;border-top:1px solid var(--line);padding-top:18px}
    .stat-item:first-child{border-top:none;padding-top:0}
  }

  /* ============ 图文卡网格 ============ */
  .info-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
  .info-card{
    display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
    border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-sm);
    transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  }
  .info-card:hover{transform:translateY(-2px);box-shadow:var(--sh-md);border-color:#D8E1F5}
  .info-cover-link{display:block;overflow:hidden}
  .info-cover{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform 400ms cubic-bezier(.2,.7,.3,1)}
  .info-card:hover .info-cover{transform:scale(1.03)}
  .info-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1 1 auto}
  .info-top{display:flex;align-items:center;gap:10px;margin-bottom:12px;flex-wrap:wrap}
  .badge-soft{
    display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);
    font-size:12.5px;font-weight:600;letter-spacing:.01em;
  }
  .badge-pri{background:rgba(46,91,224,.10);color:#2449C0}
  .badge-mint{background:rgba(47,180,160,.13);color:#1E8477}
  .badge-accent{background:rgba(255,122,69,.14);color:#C4501F}
  .info-body h3{font-size:19px;line-height:1.45;font-weight:600;margin-bottom:10px}
  .info-body h3 a{color:var(--ink)}
  .info-body h3 a:hover{color:var(--pri);text-decoration:none}
  .info-text{color:var(--muted);font-size:15px;line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .info-meta{
    margin-top:auto;padding-top:18px;border-top:1px dashed var(--line);
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;
  }
  .info-meta .go{display:inline-flex;align-items:center;gap:6px;color:var(--pri);font-weight:600}
  .info-meta .go i{transition:transform var(--ease)}
  .info-card:hover .info-meta .go i{transform:translateX(4px)}
  @media (max-width:767px){
    .info-grid{grid-template-columns:1fr;gap:16px}
    .info-body{padding:20px}
  }

  /* ============ 要点清单 ============ */
  .points-panel{
    background:#fff;border:1px solid var(--line);border-radius:24px;
    padding:44px 48px;box-shadow:var(--sh-sm);
  }
  .points-panel h2{font-size:clamp(22px,2.6vw,28px);line-height:1.35;font-weight:700}
  .points-panel .sec-sub{margin-top:10px;margin-bottom:28px}
  .points{display:grid;grid-template-columns:repeat(2,1fr);gap:18px 40px}
  .points li{position:relative;padding-left:24px;color:var(--ink-2);font-size:15.5px;line-height:1.75}
  .points li::before{
    content:"";position:absolute;left:0;top:.66em;width:9px;height:9px;border-radius:50%;
    background:var(--pri);box-shadow:0 0 0 4px rgba(46,91,224,.12);
  }
  .points li strong{color:var(--ink);font-weight:600}
  @media (max-width:991px){.points{grid-template-columns:1fr}}
  @media (max-width:767px){.points-panel{padding:28px 22px}}

  /* ============ CTA 带 ============ */
  .cta-band{
    background:linear-gradient(100deg,#1B2A4A,#0F1B33);
    border-radius:24px;padding:44px 48px;color:#fff;
    display:flex;align-items:center;justify-content:space-between;gap:32px;
    box-shadow:var(--sh-lg);
  }
  .cta-band h2{color:#fff;font-size:clamp(21px,2.4vw,27px);line-height:1.4;font-weight:700}
  .cta-band p{margin-top:10px;color:rgba(255,255,255,.72);font-size:15px}
  .cta-mini{margin-top:10px;font-size:13px;color:rgba(255,255,255,.55)}
  .cta-band .actions{flex:0 0 auto;display:flex;flex-direction:column;align-items:flex-end;gap:6px}
  .cta-band .btn-primary-lg{background:#fff;color:var(--pri);box-shadow:0 14px 30px -18px rgba(0,0,0,.8)}
  .cta-band .btn-primary-lg:hover{background:#F1F5FF;color:var(--pri-d)}
  @media (max-width:991px){
    .cta-band{flex-direction:column;align-items:flex-start;padding:32px 26px;gap:22px}
    .cta-band .actions{align-items:flex-start;width:100%}
    .cta-band .btn-primary-lg{width:100%;justify-content:center}
  }

  /* ============ FAQ ============ */
  .faq-wrap{max-width:900px;margin:0 auto}
  .accordion-item{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
    margin-bottom:14px;overflow:hidden;box-shadow:var(--sh-sm);transition:box-shadow var(--ease)
  }
  .accordion-item:hover{box-shadow:var(--sh-md)}
  .accordion-button{
    background:#fff;color:var(--ink);font-size:17px;font-weight:600;line-height:1.5;
    padding:20px 24px;box-shadow:none;display:flex;align-items:center;gap:16px;
  }
  .accordion-button:not(.collapsed){color:var(--pri);background:#fff;box-shadow:none}
  .accordion-button:focus{z-index:3;box-shadow:0 0 0 3px rgba(46,91,224,.28);border-color:transparent}
  .accordion-button::after{
    content:"+";display:flex;align-items:center;justify-content:center;
    width:28px;height:28px;flex:0 0 28px;border-radius:50%;margin-left:auto;
    background-image:none;background-color:var(--pri-soft);color:var(--pri);
    font-size:18px;line-height:1;font-weight:600;
    transition:transform var(--ease),background-color var(--ease);
  }
  .accordion-button:not(.collapsed)::after{transform:rotate(135deg);background-color:rgba(46,91,224,.18)}
  .accordion-body{padding:0 24px 22px;color:var(--muted);font-size:15.5px;line-height:1.8}
  @media (max-width:767px){
    .accordion-button{font-size:15.8px;padding:18px}
    .accordion-body{padding:0 18px 18px}
  }

  /* ============ 页脚 ============ */
  .site-footer{background:var(--dark);color:#9AA8C0;padding:64px 0 26px;margin-top:var(--sec)}
  .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px}
  .f-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:16px}
  .f-brand .brand-mark{background:linear-gradient(135deg,#3C68F0,#5C86F5);box-shadow:none}
  .f-text{font-size:14px;line-height:1.85;color:#9AA8C0;max-width:320px}
  .f-social{display:flex;gap:10px;margin-top:20px}
  .f-social a{
    width:38px;height:38px;border-radius:50%;border:1px solid rgba(255,255,255,.14);
    display:inline-flex;align-items:center;justify-content:center;color:#9AA8C0;
    transition:color var(--ease),border-color var(--ease),background var(--ease);
  }
  .f-social a:hover{color:#fff;border-color:rgba(255,255,255,.45);background:rgba(255,255,255,.06);text-decoration:none}
  .f-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px}
  .f-links li{line-height:2}
  .f-links a{color:#9AA8C0;font-size:14px}
  .f-links a:hover{color:#fff;text-decoration:none}
  .f-contact li{display:flex;gap:10px;font-size:14px;line-height:1.9;color:#9AA8C0}
  .f-contact i{color:#5C86F5;margin-top:6px}
  .f-note{margin-top:16px;font-size:13px;line-height:1.8;color:#7C8AA5}
  .footer-bottom{
    margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);
    display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
    font-size:13px;color:#9AA8C0;
  }
  .footer-bottom .legal{display:flex;gap:20px;flex-wrap:wrap}
  .footer-bottom .legal a{color:#9AA8C0;font-size:13px}
  .footer-bottom .legal a:hover{color:#fff;text-decoration:none}
  @media (max-width:991px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px}}
  @media (max-width:575px){
    .site-footer{padding:48px 0 22px}
    .footer-grid{grid-template-columns:1fr;gap:28px}
    .footer-bottom{flex-direction:column;align-items:flex-start}
  }

  @media (max-width:991px){:root{--sec:64px}}
  @media (max-width:575px){:root{--sec:48px}}