/* roulang page: index */
:root{
  --brand-orange:#FF6A2A;
  --brand-purple:#6C4DFF;
  --brand-cyan:#22D3A6;
  --brand-rose:#FF3D71;
  --ink:#14121A;
  --bg-warm:#FFF8F0;
  --bg-mist:#F5F1EA;
  --text:#1B1720;
  --text-sub:#6B6570;
  --line:#EFE6DC;
  --white:#FFFFFF;
  --grad:linear-gradient(135deg,#FF6A2A 0%,#FF3D71 50%,#6C4DFF 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --sh-card:0 12px 30px rgba(31,20,40,.08);
  --sh-hover:0 18px 40px rgba(255,106,42,.18);
  --sidebar-w:256px;
  --bs-primary:#FF6A2A;
  --bs-primary-rgb:255,106,42;
  --bs-body-color:#1B1720;
  --bs-body-bg:#FFF8F0;
  --bs-border-color:#EFE6DC;
  --bs-link-color:#FF6A2A;
  --bs-link-hover-color:#FF3D71;
  --bs-font-sans-serif:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg-warm);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--brand-orange);}
ul,ol{list-style:none;margin:0;padding:0;}
button,input,select,textarea{font:inherit;}
:focus-visible{outline:2px solid var(--brand-orange);outline-offset:2px;}
h1,h2,h3,h4{font-weight:800;line-height:1.3;margin:0;letter-spacing:.2px;}
p{margin:0;}

/* ============ 布局骨架 ============ */
.wrap{max-width:1280px;margin:0 auto;padding:0 24px;width:100%;}
.page-body{background:var(--bg-warm);min-height:100vh;}
@media (min-width:992px){
  .page-body{margin-left:var(--sidebar-w);}
}
@media (min-width:992px) and (max-width:1199px){
  :root{--sidebar-w:220px;}
}
.sec{padding:76px 0;}
.sec-mist{background:var(--bg-mist);}
.sec-ink{background:var(--ink);color:#fff;}
.sec-head{margin-bottom:36px;max-width:760px;}
.sec-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:1.4px;text-transform:uppercase;
  color:var(--brand-orange);margin-bottom:12px;
}
.sec-eyebrow::before{content:"";width:22px;height:2px;background:var(--grad);border-radius:2px;}
.sec-title{font-size:clamp(1.5rem,2.5vw,2.2rem);margin-bottom:14px;}
.sec-desc{color:var(--text-sub);font-size:16px;}
.sec-ink .sec-desc{color:rgba(255,255,255,.72);}

/* ============ 左侧导航 ============ */
.sidebar{
  position:fixed;top:0;left:0;width:var(--sidebar-w);height:100vh;
  background:var(--ink);color:#fff;
  padding:24px 18px;display:flex;flex-direction:column;gap:18px;
  z-index:1030;border-right:1px solid rgba(255,255,255,.06);
}
.sb-brand{height:72px;display:flex;align-items:center;}
.sb-logo{display:flex;align-items:center;gap:10px;color:#fff;}
.sb-logo:hover{color:#fff;}
.sb-logo-mark{
  width:38px;height:38px;border-radius:12px;flex:0 0 38px;
  background:var(--grad);display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:800;color:#fff;box-shadow:0 8px 20px rgba(255,61,113,.35);
}
.sb-logo-text{font-size:16.5px;font-weight:800;letter-spacing:.5px;line-height:1.25;}
.sb-nav{display:flex;flex-direction:column;gap:6px;}
.sb-link{
  position:relative;display:flex;align-items:center;height:46px;
  padding:0 14px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;color:rgba(255,255,255,.78);
  transition:all .22s ease;
}
.sb-link:hover{background:rgba(255,106,42,.12);color:#fff;}
.sb-link.active{background:rgba(255,106,42,.16);color:#fff;}
.sb-link.active::before{
  content:"";position:absolute;left:0;top:11px;bottom:11px;width:4px;
  border-radius:4px;background:var(--grad);
}
.sb-foot{
  margin-top:auto;background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.1);border-radius:var(--r-md);
  padding:18px;
}
.sb-foot-title{font-size:14px;font-weight:700;margin-bottom:8px;color:var(--brand-cyan);}
.sb-foot p{font-size:13.5px;line-height:1.65;color:rgba(255,255,255,.66);margin-bottom:14px;}
.sb-foot-btn{
  display:block;text-align:center;padding:9px 12px;border-radius:999px;
  background:var(--grad);color:#fff;font-size:14px;font-weight:700;
}
.sb-foot-btn:hover{color:#fff;filter:brightness(1.06);}

/* 移动端顶栏 + offcanvas */
.mobile-topbar{
  position:sticky;top:0;z-index:1040;height:64px;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 16px;background:rgba(20,18,26,.96);
  backdrop-filter:blur(6px);border-bottom:1px solid rgba(255,255,255,.08);
}
.mobile-topbar .mt-brand{display:flex;align-items:center;gap:9px;color:#fff;font-weight:800;font-size:15.5px;}
.mobile-topbar .sb-logo-mark{width:32px;height:32px;flex:0 0 32px;font-size:16px;border-radius:10px;}
.hamburger{
  width:42px;height:42px;border-radius:12px;border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);color:#fff;display:flex;align-items:center;justify-content:center;
}
.hamburger:hover{background:rgba(255,106,42,.2);}
.offcanvas.oc-nav{background:#fff;width:290px;}
.oc-brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--ink);font-size:16px;margin-bottom:18px;}
.oc-link{
  display:flex;align-items:center;height:48px;padding:0 14px;margin-bottom:6px;
  border-radius:var(--r-sm);font-weight:600;color:var(--text);
}
.oc-link:hover{background:rgba(255,106,42,.12);color:var(--brand-orange);}
.oc-link.active{background:rgba(255,106,42,.14);color:var(--brand-orange);}
.oc-foot{margin-top:22px;padding:16px;background:var(--bg-mist);border-radius:var(--r-md);font-size:13.5px;color:var(--text-sub);}

/* ============ Hero ============ */
.hero-shell{padding:28px 0 0;}
.hero{
  position:relative;border-radius:28px;overflow:hidden;
  min-height:520px;display:flex;align-items:center;
  padding:64px;background:var(--ink);color:#fff;
}
.hero-media{position:absolute;inset:0;z-index:0;}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(90deg,rgba(20,18,26,.95) 8%,rgba(20,18,26,.62) 55%,rgba(20,18,26,.4) 100%);
}
.hero-glow{
  position:absolute;z-index:1;width:460px;height:460px;right:-90px;top:-140px;
  background:radial-gradient(circle at center,rgba(255,106,42,.55),rgba(108,77,255,.28) 45%,transparent 70%);
  filter:blur(6px);pointer-events:none;
}
.hero-inner{position:relative;z-index:2;width:100%;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;font-size:13.5px;font-weight:700;
  background:rgba(255,106,42,.18);border:1px solid rgba(255,106,42,.45);color:#FFD9C7;
  margin-bottom:20px;
}
.hero-tag .dot{width:7px;height:7px;border-radius:50%;background:var(--brand-cyan);box-shadow:0 0 0 4px rgba(34,211,166,.2);}
.hero h1{
  font-size:clamp(2rem,4vw,3.4rem);font-weight:800;line-height:1.22;
  margin-bottom:18px;color:#fff;
}
.hero h1 .hl{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-sub{font-size:17px;line-height:1.8;color:rgba(255,255,255,.78);max-width:560px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;}
.hero-points li{font-size:14px;color:rgba(255,255,255,.72);display:flex;align-items:center;gap:8px;}
.hero-points li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-orange);}

.stat-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
.stat-card{
  background:#FFF8F0;border-radius:var(--r-md);padding:20px 22px;
  border:1px solid rgba(255,255,255,.35);box-shadow:0 14px 34px rgba(10,6,16,.28);
}
.stat-label{font-size:13px;font-weight:600;color:var(--text-sub);display:flex;align-items:center;gap:7px;margin-bottom:8px;}
.stat-label .dot{width:8px;height:8px;border-radius:50%;}
.dot-cyan{background:var(--brand-cyan);}
.dot-orange{background:var(--brand-orange);}
.dot-purple{background:var(--brand-purple);}
.dot-rose{background:var(--brand-rose);}
.stat-value{font-size:1.32rem;font-weight:700;color:var(--text);line-height:1.35;}
.stat-note{font-size:13px;color:var(--text-sub);margin-top:4px;}

/* ============ 按钮 ============ */
.btn{border-radius:999px;font-weight:700;padding:.74rem 1.6rem;border:1px solid transparent;transition:all .24s ease;font-size:15.5px;}
.btn:focus{box-shadow:0 0 0 .25rem rgba(255,106,42,.3);}
.btn-grad{background:var(--grad);color:#fff;box-shadow:0 12px 26px rgba(255,61,113,.28);}
.btn-grad:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,61,113,.34);}
.btn-ghost{background:#fff;color:var(--text);border-color:var(--brand-orange);}
.btn-ghost:hover{background:#FFF1E8;color:var(--text);transform:translateY(-2px);}
.btn-ink{background:var(--ink);color:#fff;}
.btn-ink:hover{background:#241F30;color:#fff;transform:translateY(-2px);}
.btn-sm{padding:.5rem 1.1rem;font-size:14px;}
.btn-block{width:100%;}

/* ============ 快捷入口 ============ */
.quick-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:24px;}
.quick-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px;box-shadow:var(--sh-card);transition:all .25s ease;height:100%;
}
.quick-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.quick-card h3{font-size:1.25rem;margin-bottom:12px;}
.quick-card p{color:var(--text-sub);margin-bottom:20px;}
.quick-list{display:grid;gap:12px;margin-bottom:22px;}
.quick-list li{display:flex;gap:12px;font-size:15px;align-items:flex-start;}
.quick-list li i{color:var(--brand-orange);margin-top:5px;}
.quick-mini{display:grid;grid-template-columns:1fr;gap:16px;}
.mini-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px 22px;display:flex;gap:16px;align-items:center;box-shadow:var(--sh-card);
  transition:all .25s ease;
}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.mini-icon{
  width:46px;height:46px;flex:0 0 46px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:rgba(255,106,42,.12);color:var(--brand-orange);font-size:19px;
}
.mini-icon.ic-purple{background:rgba(108,77,255,.12);color:var(--brand-purple);}
.mini-icon.ic-cyan{background:rgba(34,211,166,.14);color:#12a37e;}
.mini-card h4{font-size:15.5px;margin-bottom:3px;}
.mini-card p{font-size:13.5px;color:var(--text-sub);line-height:1.6;}

/* ============ 优惠阶梯 ============ */
.ladder{position:relative;display:grid;gap:18px;}
.step-card{
  position:relative;display:grid;grid-template-columns:64px 1fr auto;gap:22px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:20px;padding:26px 28px;
  box-shadow:var(--sh-card);transition:all .25s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.step-num{
  width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:19px;color:#fff;background:var(--grad);box-shadow:0 10px 22px rgba(255,61,113,.26);
}
.step-body h3{font-size:1.18rem;margin-bottom:8px;}
.step-body p{color:var(--text-sub);font-size:15px;}
.step-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;
  font-size:13px;font-weight:600;background:var(--bg-mist);color:var(--text-sub);
}
.tag-cyan{background:rgba(34,211,166,.14);color:#11a17c;}
.tag-orange{background:rgba(255,106,42,.13);color:#d4531c;}
.tag-purple{background:rgba(108,77,255,.13);color:#5238d6;}

/* ============ 套餐对比 ============ */
.plan-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:stretch;}
.plan-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:30px 26px;box-shadow:var(--sh-card);display:flex;flex-direction:column;
  position:relative;transition:all .25s ease;
}
.plan-card:hover{transform:translateY(-5px);box-shadow:var(--sh-hover);}
.plan-card.recommend{
  border:2px solid transparent;
  background:linear-gradient(#fff,#fff) padding-box,var(--grad) border-box;
  transform:translateY(-10px);
  box-shadow:0 20px 46px rgba(255,61,113,.18);
}
.plan-card.recommend:hover{transform:translateY(-14px);}
.plan-badge{
  position:absolute;top:-14px;left:50%;transform:translateX(-50%);
  padding:6px 20px;border-radius:999px;background:var(--grad);color:#fff;
  font-size:13px;font-weight:700;box-shadow:0 8px 20px rgba(255,61,113,.3);white-space:nowrap;
}
.plan-name{font-size:1.25rem;margin-bottom:6px;}
.plan-sub{font-size:13.5px;color:var(--text-sub);margin-bottom:18px;}
.plan-price{font-size:1.05rem;font-weight:700;color:var(--brand-orange);padding-bottom:18px;border-bottom:1px dashed var(--line);margin-bottom:18px;}
.plan-list{display:grid;gap:12px;margin-bottom:26px;flex:1;}
.plan-list li{display:flex;gap:10px;font-size:14.8px;color:var(--text);align-items:flex-start;}
.plan-list li i{color:var(--brand-cyan);margin-top:5px;font-size:14px;}
.plan-list li.off{color:var(--text-sub);}
.plan-list li.off i{color:#C9C1B8;}

/* ============ 限时入口 ============ */
.limited{
  position:relative;overflow:hidden;border-radius:28px;background:var(--ink);color:#fff;
  padding:48px;display:grid;grid-template-columns:1.5fr 1fr;gap:32px;align-items:center;
}
.limited::before{
  content:"";position:absolute;width:360px;height:360px;right:-60px;bottom:-140px;
  background:radial-gradient(circle at center,rgba(34,211,166,.36),transparent 68%);
}
.limited::after{
  content:"";position:absolute;width:300px;height:300px;left:-90px;top:-130px;
  background:radial-gradient(circle at center,rgba(255,106,42,.36),transparent 68%);
}
.limited-inner{position:relative;z-index:2;}
.limited h2{font-size:clamp(1.5rem,2.4vw,2.05rem);margin-bottom:14px;}
.limited p{color:rgba(255,255,255,.74);max-width:560px;}
.limited-box{position:relative;z-index:2;text-align:center;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:22px;padding:26px 22px;}
.limited-box .lb-label{font-size:13.5px;color:rgba(255,255,255,.66);margin-bottom:8px;}
.countdown{
  font-size:clamp(2rem,4vw,2.6rem);font-weight:800;letter-spacing:3px;
  color:#5CF3D0;text-shadow:0 0 22px rgba(34,211,166,.55);margin-bottom:10px;
  font-variant-numeric:tabular-nums;
}
.limited-box .lb-note{font-size:13px;color:rgba(255,255,255,.6);margin-bottom:18px;}

/* ============ 口碑评价 ============ */
.quote-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.quote-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh-card);display:flex;flex-direction:column;gap:14px;
  transition:all .25s ease;
}
.quote-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.quote-stars{color:#FFB020;font-size:14px;letter-spacing:2px;}
.quote-card p{font-size:15px;color:var(--text);}
.quote-user{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:14px;border-top:1px solid var(--line);}
.quote-avatar{
  width:40px;height:40px;border-radius:50%;background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;flex:0 0 40px;
}
.quote-user strong{font-size:14.5px;display:block;}
.quote-user span{font-size:12.8px;color:var(--text-sub);}

/* ============ 资讯列表 ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;
  box-shadow:var(--sh-card);display:flex;flex-direction:column;
  transition:all .25s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.news-thumb{position:relative;display:block;aspect-ratio:16/9;overflow:hidden;background:var(--bg-mist);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.news-card:hover .news-thumb img{transform:scale(1.05);}
.news-cat{
  position:absolute;left:14px;top:14px;padding:5px 13px;border-radius:999px;
  background:rgba(20,18,26,.72);color:#fff;font-size:12.5px;font-weight:600;
  backdrop-filter:blur(4px);
}
.news-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.news-body h3{font-size:1.06rem;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-body h3 a:hover{color:var(--brand-orange);}
.news-body p{font-size:14.5px;color:var(--text-sub);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-sub);
}
.news-meta a{font-weight:700;color:var(--brand-orange);}
.empty-state{
  grid-column:1 / -1;background:#fff;border:1px dashed var(--line);border-radius:var(--r-lg);
  padding:54px 28px;text-align:center;box-shadow:var(--sh-card);
}
.empty-state i{font-size:38px;color:#D9CFC4;margin-bottom:16px;display:block;}
.empty-state h3{font-size:1.1rem;margin-bottom:8px;}
.empty-state p{color:var(--text-sub);font-size:14.5px;margin-bottom:20px;}

/* ============ 表单 ============ */
.form-shell{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-card);overflow:hidden;display:grid;grid-template-columns:1fr 1.15fr;
}
.form-side{background:var(--ink);color:#fff;padding:42px 36px;position:relative;overflow:hidden;}
.form-side::after{
  content:"";position:absolute;width:280px;height:280px;right:-100px;bottom:-120px;
  background:radial-gradient(circle at center,rgba(108,77,255,.45),transparent 68%);
}
.form-side h2{font-size:1.5rem;margin-bottom:14px;position:relative;z-index:2;}
.form-side > p{color:rgba(255,255,255,.72);font-size:15px;margin-bottom:24px;position:relative;z-index:2;}
.form-side ul{display:grid;gap:14px;position:relative;z-index:2;}
.form-side li{display:flex;gap:10px;font-size:14.6px;color:rgba(255,255,255,.82);align-items:flex-start;}
.form-side li i{color:var(--brand-cyan);margin-top:5px;}
.form-main{padding:42px 38px;}
.form-main h3{font-size:1.2rem;margin-bottom:20px;}
.form-label{font-size:14px;font-weight:600;color:var(--text);margin-bottom:7px;}
.form-control,.form-select{
  border-radius:var(--r-sm);border:1px solid var(--line);padding:.72rem 1rem;
  font-size:15px;background:#FFFDFA;color:var(--text);transition:all .2s ease;
}
.form-control:focus,.form-select:focus{
  border-color:var(--brand-orange);box-shadow:0 0 0 .22rem rgba(255,106,42,.18);background:#fff;
}
.form-control::placeholder{color:#B4ABA2;}
.form-note{font-size:13px;color:var(--text-sub);margin-top:14px;}
.form-ok{
  margin-top:16px;padding:12px 16px;border-radius:var(--r-sm);
  background:rgba(34,211,166,.12);color:#0f9c78;font-size:14px;font-weight:600;
  border:1px solid rgba(34,211,166,.3);
}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto;}
.accordion-item{
  border:1px solid var(--line);border-radius:16px !important;margin-bottom:14px;
  overflow:hidden;background:#fff;box-shadow:var(--sh-card);
}
.accordion-button{
  font-weight:600;font-size:16px;color:var(--text);background:#fff;
  padding:20px 24px;border-radius:16px !important;
}
.accordion-button:not(.collapsed){color:var(--brand-orange);background:#fff;box-shadow:none;}
.accordion-button:focus{box-shadow:none;border-color:var(--line);}
.accordion-button::after{
  background-image:none;content:"\2b";font-family:"Font Awesome 6 Free";font-weight:900;
  display:flex;align-items:center;justify-content:center;width:26px;height:26px;
  border-radius:50%;background:var(--bg-mist);color:var(--brand-orange);font-size:13px;
  transform:none;transition:transform .25s ease;
}
.accordion-button:not(.collapsed)::after{transform:rotate(45deg);background:rgba(255,106,42,.14);}
.accordion-body{padding:0 24px 22px 24px;font-size:16px;color:var(--text-sub);line-height:1.78;}
.accordion-item:has(.accordion-button:not(.collapsed)){border-left:4px solid var(--brand-orange);}

/* ============ 底部 CTA ============ */
.cta-band{
  border-radius:28px;padding:52px 48px;background:var(--grad);color:#fff;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
  box-shadow:0 22px 50px rgba(255,61,113,.24);
}
.cta-band h2{font-size:clamp(1.4rem,2.3vw,1.95rem);margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.88);max-width:600px;}
.cta-band .cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.cta-band .btn-ghost{background:rgba(255,255,255,.96);border-color:transparent;color:var(--brand-orange);}
.cta-band .btn-ghost:hover{background:#fff;color:var(--brand-rose);}
.cta-band .btn-ink{background:rgba(20,18,26,.92);}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 28px;margin-top:76px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:34px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;margin-bottom:16px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700;}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{font-size:14.4px;color:rgba(255,255,255,.68);}
.footer-col a:hover{color:var(--brand-orange);}
.footer-col p{font-size:14.4px;line-height:1.75;}
.footer-desc{font-size:14.4px;line-height:1.78;max-width:400px;color:rgba(255,255,255,.66);}
.footer-badges{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px;}
.footer-badges span{
  font-size:12.5px;padding:4px 12px;border-radius:999px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);color:rgba(255,255,255,.72);
}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:13.4px;color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1360px){
  .hero{padding:52px;}
}
@media (max-width:1199px){
  .quick-grid{grid-template-columns:1fr;}
  .plan-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .plan-card.recommend{transform:none;}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .quote-grid{grid-template-columns:1fr 1fr;}
  .limited{grid-template-columns:1fr;padding:40px;}
  .form-shell{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:991px){
  .sec{padding:56px 0;}
  .hero{padding:40px 30px;min-height:auto;border-radius:22px;}
  .hero-sub{font-size:16px;}
  .hero-shell{padding-top:20px;}
  .stat-value{font-size:1.15rem;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .wrap{padding:0 18px;}
  .sec{padding:48px 0;}
  .hero{padding:32px 22px;}
  .hero-actions{flex-direction:column;}
  .hero-actions .btn{width:100%;}
  .stat-grid{grid-template-columns:1fr;}
  .step-card{grid-template-columns:1fr;gap:16px;padding:22px;}
  .step-card .btn{width:100%;}
  .plan-grid,
  .news-grid,
  .quote-grid{grid-template-columns:1fr;}
  .limited{padding:30px 22px;border-radius:22px;}
  .limited-box{padding:22px 16px;}
  .cta-band{padding:34px 24px;border-radius:22px;}
  .cta-band .cta-actions{width:100%;}
  .cta-band .cta-actions .btn{width:100%;}
  .form-side,.form-main{padding:30px 22px;}
  .footer-grid{grid-template-columns:1fr;}
  .site-footer{padding:48px 0 24px;margin-top:56px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:575px){
  .hero h1{font-size:1.68rem;}
  .sec-title{font-size:1.35rem;}
  .hero-tag{font-size:12.5px;padding:6px 13px;}
  .btn{padding:.68rem 1.3rem;font-size:15px;}
  .stat-card{padding:16px 18px;}
}

/* roulang page: category1 */
:root{
  --brand-orange:#FF6A2A;
  --brand-purple:#6C4DFF;
  --brand-cyan:#22D3A6;
  --brand-rose:#FF3D71;
  --ink:#14121A;
  --bg:#FFF8F0;
  --bg-soft:#F5F1EA;
  --text:#1B1720;
  --muted:#6B6570;
  --line:#EFE6DC;
  --white:#FFFFFF;
  --grad:linear-gradient(135deg,#FF6A2A 0%,#FF3D71 52%,#6C4DFF 100%);
  --grad-soft:linear-gradient(135deg,rgba(255,106,42,.14),rgba(108,77,255,.14));
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --shadow:0 12px 30px rgba(31,20,40,.08);
  --shadow-hover:0 18px 40px rgba(255,106,42,.18);
  --side-w:256px;

  --bs-primary:#FF6A2A;
  --bs-body-color:#1B1720;
  --bs-body-bg:#FFF8F0;
  --bs-border-color:#EFE6DC;
  --bs-link-color:#FF6A2A;
  --bs-link-hover-color:#FF3D71;
  --bs-font-sans-serif:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
a{color:var(--brand-orange);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-rose);}
img{max-width:100%;display:block;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:3px solid rgba(255,106,42,.45);outline-offset:2px;border-radius:8px;}

/* ============ 侧栏 ============ */
.sidebar{
  position:fixed;top:0;left:0;width:var(--side-w);height:100vh;
  background:var(--ink);color:#fff;
  padding:18px 18px 24px;display:flex;flex-direction:column;gap:20px;
  z-index:1030;
}
.sb-brand{
  height:72px;display:flex;align-items:center;gap:12px;
  padding-bottom:16px;border-bottom:1px solid rgba(255,255,255,.1);
}
.sb-logo-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:14px;
  background:var(--grad);color:#fff;font-weight:800;font-size:20px;
  display:flex;align-items:center;justify-content:center;
}
.sb-brand-text{font-size:16px;font-weight:700;line-height:1.35;color:#fff;}
.sb-nav{display:flex;flex-direction:column;gap:8px;}
.sb-link{
  position:relative;height:46px;display:flex;align-items:center;
  padding:0 16px;border-radius:14px;color:rgba(255,255,255,.78);
  font-size:15.5px;font-weight:600;transition:all .22s ease;
}
.sb-link:hover{background:rgba(255,106,42,.12);color:#fff;}
.sb-link.active{background:rgba(255,106,42,.16);color:#fff;}
.sb-link.active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:4px;
  border-radius:999px;background:var(--grad);
}
.sb-status-card{
  margin-top:auto;background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.1);border-radius:18px;padding:16px;
}
.sb-status-title{font-size:13px;letter-spacing:.08em;color:rgba(255,255,255,.55);margin-bottom:10px;}
.sb-status-row{display:flex;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.85);margin-bottom:8px;}
.dot{width:8px;height:8px;border-radius:50%;display:inline-block;flex:0 0 8px;}
.dot-cyan{background:var(--brand-cyan);box-shadow:0 0 0 4px rgba(34,211,166,.18);}
.dot-orange{background:var(--brand-orange);box-shadow:0 0 0 4px rgba(255,106,42,.18);}
.sb-status-btn{
  display:block;text-align:center;margin-top:6px;padding:10px;
  border-radius:999px;background:var(--grad);color:#fff;font-weight:700;font-size:14px;
}
.sb-status-btn:hover{color:#fff;filter:brightness(1.06);}

/* ============ 移动顶栏 ============ */
.topbar{
  display:none;position:sticky;top:0;z-index:1040;height:64px;
  background:var(--ink);color:#fff;align-items:center;justify-content:space-between;
  padding:0 16px;
}
.topbar-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:15.5px;color:#fff;}
.topbar-brand .sb-logo-mark{width:36px;height:36px;flex:0 0 36px;font-size:17px;border-radius:12px;}
.burger{
  width:42px;height:42px;border-radius:12px;border:1px solid rgba(255,255,255,.18);
  background:transparent;color:#fff;font-size:18px;display:flex;align-items:center;justify-content:center;
}
.offcanvas{background:#fff;}
.offcanvas .sb-nav{gap:6px;}
.offcanvas .sb-link{color:var(--text);background:var(--bg-soft);}
.offcanvas .sb-link:hover{background:rgba(255,106,42,.12);color:var(--text);}
.offcanvas .sb-link.active{background:rgba(255,106,42,.14);color:var(--text);}

/* ============ 布局 ============ */
.main-wrap{margin-left:var(--side-w);}
.wrap{max-width:1280px;margin:0 auto;padding:0 32px;}
.page-top{padding:28px 0 8px;}
.crumb{font-size:13.5px;color:var(--muted);display:flex;gap:8px;flex-wrap:wrap;align-items:center;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brand-orange);}
.crumb .current{color:var(--text);font-weight:700;}
.crumb i{font-size:10px;color:var(--line);}
section.block{padding:44px 0;}
.block-head{max-width:820px;margin-bottom:28px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  color:var(--brand-purple);background:rgba(108,77,255,.1);
  padding:6px 14px;border-radius:999px;margin-bottom:14px;
}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--grad);}
h1,h2,h3,h4{font-weight:800;letter-spacing:-.01em;}
h2.block-title{font-size:clamp(1.5rem,2.5vw,2.2rem);margin:0 0 12px;}
.block-sub{color:var(--muted);font-size:16px;margin:0;}

/* ============ Banner ============ */
.page-banner{
  position:relative;border-radius:28px;overflow:hidden;
  min-height:480px;padding:64px 56px;display:flex;align-items:center;
  color:#fff;margin-top:12px;
}
.page-banner .banner-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  transform:scale(1.02);
}
.page-banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(20,18,26,.94) 8%,rgba(20,18,26,.62) 55%,rgba(20,18,26,.35) 100%);
}
.page-banner .glow{
  position:absolute;width:420px;height:420px;right:-90px;top:-120px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,42,.5),rgba(108,77,255,.18) 55%,transparent 72%);
  z-index:1;
}
.banner-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:40px;width:100%;align-items:center;}
.banner-inner h1{
  font-size:clamp(2rem,4vw,3.4rem);line-height:1.22;margin:14px 0 18px;font-weight:800;
}
.banner-inner h1 .hl{
  background:linear-gradient(135deg,#FFB683,#FF6A2A 45%,#FF3D71);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.banner-lead{font-size:17px;line-height:1.8;color:rgba(255,255,255,.84);max-width:600px;margin:0 0 26px;}
.banner-tags{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:26px;}
.tag-pill{
  font-size:13.5px;font-weight:600;padding:7px 16px;border-radius:999px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);color:#fff;
}
.tag-pill.cyan{background:rgba(34,211,166,.18);border-color:rgba(34,211,166,.42);color:#CFFBEE;}
.cta-row{display:flex;gap:14px;flex-wrap:wrap;}
.btn-brand{
  display:inline-flex;align-items:center;gap:9px;padding:15px 30px;border-radius:999px;
  background:var(--grad);color:#fff;font-weight:700;font-size:16px;border:none;
  box-shadow:0 14px 30px rgba(255,61,113,.32);transition:all .24s ease;
}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:0 20px 40px rgba(255,106,42,.36);}
.btn-ghost{
  display:inline-flex;align-items:center;gap:9px;padding:15px 30px;border-radius:999px;
  background:#fff;color:var(--brand-orange);font-weight:700;font-size:16px;
  border:1.5px solid var(--brand-orange);transition:all .24s ease;
}
.btn-ghost:hover{background:#FFF3EC;color:var(--brand-rose);border-color:var(--brand-rose);}

/* 数据徽章 */
.badge-panel{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.data-badge{
  background:rgba(255,255,255,.96);border-radius:var(--r-md);padding:18px 20px;
  border:1px solid rgba(255,255,255,.6);box-shadow:0 12px 30px rgba(20,18,26,.22);
}
.data-badge .num{font-size:26px;font-weight:800;color:var(--ink);line-height:1.2;display:flex;align-items:center;gap:8px;}
.data-badge .num::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--brand-orange);}
.data-badge.cyan .num::before{background:var(--brand-cyan);}
.data-badge.purple .num::before{background:var(--brand-purple);}
.data-badge.rose .num::before{background:var(--brand-rose);}
.data-badge .lb{font-size:13px;color:var(--muted);margin-top:6px;}

/* ============ 时间线 ============ */
.timeline{position:relative;padding-left:0;list-style:none;margin:0;}
.timeline::before{
  content:"";position:absolute;left:25px;top:14px;bottom:14px;width:3px;border-radius:999px;
  background:linear-gradient(180deg,#FF6A2A,#FF3D71 50%,#6C4DFF);
  opacity:.55;
}
.tl-item{position:relative;padding-left:74px;margin-bottom:26px;}
.tl-item:last-child{margin-bottom:0;}
.tl-num{
  position:absolute;left:0;top:0;width:52px;height:52px;border-radius:50%;
  background:var(--grad);color:#fff;font-weight:800;font-size:18px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 24px rgba(255,106,42,.28);
}
.tl-card{
  background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px 28px;
  box-shadow:var(--shadow);transition:all .24s ease;
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#FFD9C2;}
.tl-card h3{font-size:1.25rem;margin:0 0 8px;}
.tl-card p{margin:0 0 12px;color:var(--muted);font-size:15.5px;}
.tl-meta{display:flex;gap:10px;flex-wrap:wrap;}
.mini-badge{
  font-size:12.5px;font-weight:700;padding:5px 13px;border-radius:999px;
  background:var(--bg-soft);color:var(--muted);border:1px solid var(--line);
}
.mini-badge.orange{background:rgba(255,106,42,.1);color:#C94A13;border-color:rgba(255,106,42,.22);}
.mini-badge.cyan{background:rgba(34,211,166,.12);color:#0E8B6C;border-color:rgba(34,211,166,.26);}
.mini-badge.purple{background:rgba(108,77,255,.1);color:#4A2FCC;border-color:rgba(108,77,255,.22);}

/* ============ 卡片网格 ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.media-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--shadow);transition:all .26s ease;display:flex;flex-direction:column;
}
.media-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#FFD9C2;}
.media-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-soft);}
.media-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.media-card:hover .media-thumb img{transform:scale(1.05);}
.thumb-badge{
  position:absolute;left:14px;top:14px;font-size:12.5px;font-weight:700;
  padding:6px 14px;border-radius:999px;background:rgba(20,18,26,.78);color:#fff;
  backdrop-filter:blur(2px);
}
.media-body{padding:22px 24px 26px;flex:1;display:flex;flex-direction:column;}
.media-body h3{font-size:1.25rem;margin:0 0 10px;}
.media-body p{margin:0 0 16px;color:var(--muted);font-size:15.5px;}
.media-foot{margin-top:auto;display:flex;align-items:center;gap:12px;font-size:13.5px;color:var(--muted);}

/* ============ 清单 ============ */
.check-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px;box-shadow:var(--shadow);
}
.check-list{list-style:none;margin:0;padding:0;}
.check-list li{
  display:flex;gap:14px;align-items:flex-start;padding:14px 0;
  border-bottom:1px dashed var(--line);font-size:15.8px;
}
.check-list li:last-child{border-bottom:none;}
.check-ico{
  width:28px;height:28px;flex:0 0 28px;border-radius:10px;margin-top:2px;
  background:rgba(34,211,166,.14);color:#0E8B6C;
  display:flex;align-items:center;justify-content:center;font-size:13px;
}
.check-list strong{display:block;margin-bottom:2px;}
.check-list span.note{color:var(--muted);font-size:15px;}

.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:28px;
}
.stat-cell{
  background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px 20px;
}
.stat-cell .n{font-size:24px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.stat-cell .t{font-size:13.5px;color:var(--muted);margin-top:4px;}

/* ============ FAQ ============ */
.faq-wrap{background:var(--bg-soft);border-radius:28px;padding:52px 44px;border:1px solid var(--line);}
.accordion-item{
  border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#fff;
  margin-bottom:14px;box-shadow:0 6px 18px rgba(31,20,40,.05);
}
.accordion-item:last-child{margin-bottom:0;}
.accordion-button{
  position:relative;font-size:1.05rem;font-weight:600;color:var(--text);
  background:#fff;padding:20px 24px;box-shadow:none;
}
.accordion-button:not(.collapsed){
  color:var(--text);background:#FFF4EC;
}
.accordion-button:not(.collapsed)::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:linear-gradient(180deg,#FF6A2A,#6C4DFF);
}
.accordion-button:focus{box-shadow:0 0 0 3px rgba(255,106,42,.2);border-color:transparent;z-index:3;}
.accordion-button::after{
  background-image:none;content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:13px;color:var(--brand-orange);width:auto;height:auto;
  display:flex;align-items:center;justify-content:center;transition:transform .25s ease;
}
.accordion-button:not(.collapsed)::after{content:"\f068";transform:rotate(180deg);}
.accordion-body{padding:4px 24px 22px;color:var(--muted);font-size:16px;line-height:1.8;}

/* ============ CTA ============ */
.cta-dark{
  position:relative;border-radius:28px;overflow:hidden;background:var(--ink);
  padding:56px 52px;color:#fff;
}
.cta-dark .cta-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;opacity:.22;
}
.cta-dark::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(20,18,26,.96),rgba(20,18,26,.72) 60%,rgba(108,77,255,.35));
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.4fr .6fr;gap:32px;align-items:center;}
.cta-inner h2{font-size:clamp(1.5rem,2.6vw,2.1rem);margin:0 0 14px;color:#fff;}
.cta-inner p{color:rgba(255,255,255,.8);margin:0 0 0;max-width:640px;font-size:16px;}
.cta-actions{display:flex;flex-direction:column;gap:14px;}
.cta-actions .btn-brand{justify-content:center;}
.cta-actions .btn-outline-light{
  border-radius:999px;padding:15px 30px;font-weight:700;border-width:1.5px;
}
.cta-actions .btn-outline-light:hover{background:#fff;color:var(--ink);}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.75);margin-top:56px;padding:64px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:12px;color:#fff;font-weight:800;font-size:17px;margin-bottom:16px;}
.footer-desc{font-size:14.6px;line-height:1.8;color:rgba(255,255,255,.72);margin:0 0 18px;}
.footer-badges{display:flex;gap:9px;flex-wrap:wrap;}
.footer-badges span{
  font-size:12.5px;font-weight:600;padding:6px 14px;border-radius:999px;
  background:rgba(255,106,42,.16);color:#FFC7A8;border:1px solid rgba(255,106,42,.28);
}
.footer-col h4{font-size:15px;color:#fff;margin:0 0 16px;font-weight:700;}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin-bottom:11px;}
.footer-col a{color:rgba(255,255,255,.72);font-size:14.6px;}
.footer-col a:hover{color:#FFB683;}
.footer-col p{font-size:14.4px;line-height:1.8;color:rgba(255,255,255,.66);margin:0 0 10px;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.55);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  :root{--side-w:220px;}
  .wrap{padding:0 24px;}
  .page-banner{padding:52px 40px;}
  .banner-inner{grid-template-columns:1fr;gap:30px;}
  .badge-panel{grid-template-columns:repeat(4,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991.98px){
  .sidebar{display:none;}
  .topbar{display:flex;}
  .main-wrap{margin-left:0;}
  .page-banner{border-radius:22px;padding:44px 28px;min-height:420px;}
  .cta-dark{padding:44px 28px;border-radius:22px;}
  .cta-inner{grid-template-columns:1fr;}
  .faq-wrap{padding:36px 22px;border-radius:22px;}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .wrap{padding:0 18px;}
  .page-banner{padding:36px 20px;min-height:380px;}
  .badge-panel{grid-template-columns:1fr 1fr;gap:12px;}
  .grid-3,.grid-2{grid-template-columns:1fr;}
  .stat-strip{grid-template-columns:1fr 1fr;}
  .tl-item{padding-left:64px;}
  .tl-num{width:46px;height:46px;font-size:16px;}
  .timeline::before{left:22px;}
  .cta-row .btn-brand,.cta-row .btn-ghost{width:100%;justify-content:center;}
  .cta-actions .btn-brand,.cta-actions .btn-outline-light{width:100%;}
  .check-panel{padding:24px 20px;}
  .section.block{padding:32px 0;}
  .footer-grid{grid-template-columns:1fr;}
}
@media (max-width:575.98px){
  .banner-inner h1{font-size:1.72rem;}
  .banner-lead{font-size:15.6px;}
  .data-badge{padding:14px 16px;}
  .data-badge .num{font-size:21px;}
  .stat-strip{grid-template-columns:1fr;}
  .tl-card{padding:20px;}
  .media-body{padding:18px 18px 22px;}
}

/* roulang page: article */
:root{
  --brand-orange:#FF6A2A;
  --brand-purple:#6C4DFF;
  --brand-cyan:#22D3A6;
  --brand-rose:#FF3D71;
  --ink:#14121A;
  --bg:#FFF8F0;
  --bg-soft:#F5F1EA;
  --text:#1B1720;
  --muted:#6B6570;
  --line:#EFE6DC;
  --white:#FFFFFF;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:14px;
  --pill:999px;
  --shadow-1:0 12px 30px rgba(31,20,40,.08);
  --shadow-2:0 18px 40px rgba(255,106,42,.18);
  --grad:linear-gradient(135deg,#FF6A2A 0%,#FF3D71 50%,#6C4DFF 100%);
  --grad-soft:linear-gradient(135deg,rgba(255,106,42,.14),rgba(108,77,255,.14));
  --sidebar-w:256px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16.5px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3,h4{line-height:1.3;margin:0}
p{margin:0 0 16px}
ul{margin:0;padding:0;list-style:none}

/* ---------- 侧栏 ---------- */
.sb-sidebar{
  position:fixed;left:0;top:0;width:var(--sidebar-w);height:100vh;
  background:var(--ink);color:#fff;padding:24px 18px;
  display:flex;flex-direction:column;gap:22px;z-index:1040;overflow-y:auto;
}
.sb-brand{display:flex;align-items:center;gap:10px;min-height:48px}
.sb-logo-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;color:#fff;
}
.sb-brand-text{font-size:16px;font-weight:800;letter-spacing:.3px;line-height:1.3}
.sb-nav{display:flex;flex-direction:column;gap:8px}
.sb-link{
  position:relative;display:flex;align-items:center;height:46px;padding:0 14px;
  border-radius:14px;font-size:15px;color:rgba(255,255,255,.76);transition:background .22s,color .22s;
}
.sb-link:hover{background:rgba(255,106,42,.12);color:#fff}
.sb-link:focus-visible{outline:3px solid rgba(108,77,255,.55);outline-offset:2px}
.sb-link.active{background:rgba(255,106,42,.14);color:#fff;font-weight:700}
.sb-link.active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:4px;border-radius:4px;background:var(--grad);
}
.sb-side-card{
  margin-top:auto;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);
  border-radius:var(--radius-md);padding:16px;
}
.sb-side-card h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:8px}
.sb-side-card p{font-size:13px;color:rgba(255,255,255,.68);margin:0 0 12px;line-height:1.65}
.sb-side-btn{
  display:block;text-align:center;border-radius:var(--pill);padding:9px 12px;
  font-size:13.5px;font-weight:700;background:var(--grad);color:#fff;
}
.sb-side-btn:hover{color:#fff;filter:brightness(1.06)}

/* ---------- 顶部移动导航 ---------- */
.sb-topbar{
  display:none;position:sticky;top:0;z-index:1035;height:64px;
  background:var(--ink);color:#fff;align-items:center;justify-content:space-between;
  padding:0 16px;box-shadow:0 6px 20px rgba(20,18,26,.22);
}
.sb-topbar-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16px;color:#fff}
.sb-burger{
  width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.08);color:#fff;font-size:18px;
}
.sb-drawer{background:#fff;color:var(--text);width:290px}
.sb-drawer .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px}
.sb-drawer .offcanvas-title{font-weight:800;font-size:16px}
.sb-drawer-body{padding:18px 20px;display:flex;flex-direction:column;gap:8px}
.sb-drawer-link{
  display:flex;align-items:center;height:48px;padding:0 14px;border-radius:14px;
  font-size:15.5px;color:#2A2430;background:#FAF7F3;
}
.sb-drawer-link.active{background:rgba(255,106,42,.12);color:#C93F0C;font-weight:700}
.sb-drawer-link:hover{background:rgba(255,106,42,.1)}

/* ---------- 布局 ---------- */
.page{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column}
.wrap{width:100%;max-width:1280px;margin:0 auto;padding:0 32px}
.section{padding:64px 0}
.section-tight{padding:48px 0}

/* ---------- 按钮 / 标签 ---------- */
.btn{border-radius:var(--pill);font-weight:700;padding:12px 26px;font-size:16px;transition:transform .22s,box-shadow .22s,background .22s}
.btn:focus-visible{outline:3px solid rgba(108,77,255,.4);outline-offset:2px}
.btn-brand{background:var(--grad);color:#fff;border:0;box-shadow:0 10px 24px rgba(255,61,113,.26)}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,106,42,.32)}
.btn-ghost{background:#fff;color:#D2500F;border:1.5px solid #FFCBA8}
.btn-ghost:hover{background:#FFF3EA;color:#B93C09;transform:translateY(-2px)}
.btn-dark-outline{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.5)}
.btn-dark-outline:hover{background:rgba(255,255,255,.12);color:#fff}
.chip{display:inline-flex;align-items:center;gap:8px;border-radius:var(--pill);padding:7px 14px;font-size:13.5px;font-weight:600}
.chip .dot{width:7px;height:7px;border-radius:50%;background:currentColor;display:inline-block}
.chip-orange{background:rgba(255,106,42,.12);color:#C93F0C}
.chip-purple{background:rgba(108,77,255,.12);color:#4B33C4}
.chip-cyan{background:rgba(34,211,166,.14);color:#0E8F72}
.chip-rose{background:rgba(255,61,113,.12);color:#C51F4D}
.chip-light{background:rgba(255,255,255,.14);color:#fff}

/* ---------- 文章 Banner ---------- */
.art-hero{position:relative;margin:28px 0 0;border-radius:28px;overflow:hidden;color:#fff;min-height:420px;display:flex;align-items:flex-end}
.art-hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat}
.art-hero-mask{position:absolute;inset:0;background:linear-gradient(90deg,rgba(20,18,26,.94) 0%,rgba(20,18,26,.72) 48%,rgba(20,18,26,.42) 100%)}
.art-hero-glow{position:absolute;right:-80px;top:-80px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(255,106,42,.4),rgba(108,77,255,.16) 55%,transparent 72%)}
.art-hero-inner{position:relative;padding:56px;max-width:900px}
.art-hero h1{font-size:clamp(2rem,4vw,3.1rem);font-weight:800;margin:18px 0 16px;letter-spacing:.5px}
.art-hero .lead{font-size:17px;color:rgba(255,255,255,.86);margin:0 0 22px;max-width:720px}
.art-meta{display:flex;flex-wrap:wrap;gap:10px}
.crumbs{display:flex;flex-wrap:wrap;gap:8px;font-size:13.5px;color:rgba(255,255,255,.7);align-items:center}
.crumbs a{color:rgba(255,255,255,.78)}
.crumbs a:hover{color:#fff;text-decoration:underline}
.crumbs .now{color:#fff;font-weight:700}

/* ---------- 文章布局 ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:36px;align-items:start;padding-top:56px}
.article-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);padding:44px 48px;
}
.article-content{font-size:17px;line-height:1.85;color:#251F2B;max-width:820px}
.article-content h2{
  position:relative;font-size:clamp(1.4rem,2.2vw,1.75rem);font-weight:800;color:var(--text);
  margin:46px 0 16px;padding-left:16px;
}
.article-content h2:first-child{margin-top:0}
.article-content h2::before{content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:5px;border-radius:4px;background:var(--grad)}
.article-content h3{font-size:1.22rem;font-weight:700;margin:32px 0 12px;color:#241E2B}
.article-content p{margin:0 0 18px}
.article-content ul,.article-content ol{padding-left:22px;margin:0 0 20px;list-style:revert}
.article-content li{margin-bottom:9px}
.article-content img{border-radius:16px;margin:24px 0;box-shadow:var(--shadow-1)}
.article-content figure{margin:26px 0}
.article-content figcaption{font-size:14px;color:var(--muted);text-align:center;margin-top:10px}
.article-content blockquote{
  margin:26px 0;padding:18px 24px;background:var(--bg-soft);
  border-left:4px solid var(--brand-orange);border-radius:0 16px 16px 0;color:#3A3340;
}
.article-content a{color:#C93F0C;text-decoration:underline}
.article-content a:hover{color:#8F2C05}
.article-content table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15.5px;background:#fff}
.article-content th,.article-content td{border:1px solid var(--line);padding:12px 14px;text-align:left}
.article-content th{background:var(--bg-soft);font-weight:700}
.article-content code{background:var(--bg-soft);border-radius:8px;padding:2px 7px;font-size:15px}

.art-side{position:sticky;top:24px;display:flex;flex-direction:column;gap:20px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-1);padding:24px}
.side-card h3{font-size:16px;font-weight:800;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-list li{display:flex;gap:10px;align-items:flex-start;padding:10px 0;border-bottom:1px dashed var(--line);font-size:14.5px;color:#3A3340}
.side-list li:last-child{border-bottom:0}
.side-list i{color:var(--brand-orange);margin-top:5px;font-size:12px}
.side-cta{background:var(--ink);color:#fff;border-radius:var(--radius-lg);padding:26px 24px;position:relative;overflow:hidden}
.side-cta::after{content:"";position:absolute;right:-50px;bottom:-50px;width:170px;height:170px;border-radius:50%;background:radial-gradient(circle,rgba(255,106,42,.38),transparent 70%)}
.side-cta h3{color:#fff;font-size:16.5px;margin-bottom:10px}
.side-cta p{font-size:14px;color:rgba(255,255,255,.76);margin-bottom:16px}
.side-cta .btn{width:100%;position:relative;z-index:2}

/* ---------- 空态 ---------- */
.empty-card{
  background:#fff;border:1px dashed #E6D8C8;border-radius:var(--radius-lg);
  padding:56px 32px;text-align:center;box-shadow:var(--shadow-1);
}
.empty-card i{font-size:34px;color:var(--brand-orange);margin-bottom:16px;display:block}
.empty-card h2{font-size:1.3rem;font-weight:800;margin-bottom:10px}
.empty-card p{color:var(--muted);max-width:520px;margin:0 auto 22px}

/* ---------- 相关推荐 ---------- */
.sec-head{display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:flex-end;margin-bottom:30px}
.sec-head h2{font-size:clamp(1.5rem,2.5vw,2.1rem);font-weight:800}
.sec-head p{color:var(--muted);margin:8px 0 0;font-size:15.5px}
.rec-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rec-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-1);transition:transform .25s,box-shadow .25s;display:flex;flex-direction:column;
}
.rec-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-2)}
.rec-thumb{position:relative;aspect-ratio:16/9;overflow:hidden}
.rec-thumb img{width:100%;height:100%;object-fit:cover}
.rec-thumb .chip{position:absolute;left:14px;top:14px;background:rgba(20,18,26,.8);color:#fff;backdrop-filter:none}
.rec-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.rec-body h3{font-size:17px;font-weight:800;line-height:1.5}
.rec-body p{font-size:14.5px;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.rec-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13.5px;color:var(--muted)}
.rec-foot a{color:#C93F0C;font-weight:700}
.rec-foot a:hover{text-decoration:underline}

/* ---------- CTA 横幅 ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:28px;background:var(--ink);color:#fff;
  padding:48px 52px;display:flex;flex-wrap:wrap;gap:26px;justify-content:space-between;align-items:center;
}
.cta-band::before{content:"";position:absolute;left:-60px;top:-70px;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(108,77,255,.4),transparent 70%)}
.cta-band::after{content:"";position:absolute;right:-70px;bottom:-90px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(255,106,42,.36),transparent 70%)}
.cta-band-text{position:relative;max-width:640px}
.cta-band h2{font-size:clamp(1.5rem,2.4vw,2rem);font-weight:800;margin-bottom:12px}
.cta-band p{color:rgba(255,255,255,.78);margin:0}
.cta-band-actions{position:relative;display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 表单 ---------- */
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);padding:40px;display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:40px;
}
.form-info h2{font-size:clamp(1.5rem,2.4vw,2rem);font-weight:800;margin-bottom:14px}
.form-info p{color:var(--muted);font-size:15.5px}
.form-points{display:flex;flex-direction:column;gap:12px;margin:22px 0}
.form-points div{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:#3A3340}
.form-points i{color:var(--brand-cyan);margin-top:5px}
.form-badges{display:flex;flex-wrap:wrap;gap:10px}
.form-side label{display:block;font-size:14px;font-weight:700;margin-bottom:8px;color:#332D3A}
.form-side .form-control,.form-side .form-select{
  border:1px solid var(--line);border-radius:var(--radius-sm);padding:12px 14px;font-size:15px;
  background:#FCFAF7;color:var(--text);
}
.form-side .form-control:focus,.form-side .form-select:focus{
  border-color:var(--brand-orange);box-shadow:0 0 0 4px rgba(255,106,42,.14);background:#fff;outline:none;
}
.form-side .form-control.is-invalid{border-color:#E13A5B;box-shadow:0 0 0 4px rgba(255,61,113,.12)}
.form-note{font-size:13.5px;color:var(--muted);margin:12px 0 0}
.form-alert{display:none;margin-top:14px;border-radius:14px;padding:12px 16px;font-size:14.5px;background:rgba(34,211,166,.14);color:#0E8F72;border:1px solid rgba(34,211,166,.3)}
.form-alert.show{display:block}

/* ---------- FAQ ---------- */
.faq .accordion-item{border:1px solid var(--line);border-radius:16px;margin-bottom:14px;overflow:hidden;background:#fff;box-shadow:var(--shadow-1)}
.faq .accordion-button{
  font-size:16.5px;font-weight:700;color:var(--text);background:#fff;padding:20px 22px;border:0;
}
.faq .accordion-button:not(.collapsed){color:#C93F0C;background:#FFF7F1;box-shadow:none}
.faq .accordion-button:focus{box-shadow:none;outline:3px solid rgba(255,106,42,.25);outline-offset:-3px}
.faq .accordion-button::after{background-image:none;content:"\2b";font-family:"Font Awesome 6 Free";font-weight:900;font-size:14px;color:var(--brand-orange);width:auto;height:auto;display:flex;align-items:center;justify-content:center;transition:transform .25s}
.faq .accordion-button:not(.collapsed)::after{content:"\f068";transform:none}
.faq .accordion-body{font-size:16px;line-height:1.78;color:#3A3340;padding:4px 22px 22px;border-left:4px solid transparent}
.faq .accordion-collapse.show .accordion-body,.faq .accordion-collapse.collapsing .accordion-body{border-left:4px solid var(--brand-orange);background:linear-gradient(90deg,rgba(255,106,42,.06),transparent 60%)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.78);margin-top:72px;padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;margin-bottom:16px}
.footer-desc{font-size:14.5px;color:rgba(255,255,255,.68);line-height:1.75}
.footer-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.footer-badges span{font-size:12.5px;padding:6px 12px;border-radius:var(--pill);background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);color:rgba(255,255,255,.8)}
.footer-col h4{font-size:15px;color:#fff;font-weight:700;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col a{font-size:14.5px;color:rgba(255,255,255,.7)}
.footer-col a:hover{color:#FFB38A}
.footer-col p{font-size:14px;color:rgba(255,255,255,.66);margin-bottom:10px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);margin-top:44px;padding-top:22px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13.5px;color:rgba(255,255,255,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  :root{--sidebar-w:220px}
  .sb-brand-text{font-size:15px}
  .article-card{padding:36px 32px}
  .article-layout{grid-template-columns:minmax(0,1fr) 260px;gap:26px}
}
@media (max-width:991.98px){
  .sb-sidebar{display:none}
  .sb-topbar{display:flex}
  .page{margin-left:0}
  .wrap{padding:0 20px}
  .art-hero-inner{padding:36px 28px}
  .article-layout{grid-template-columns:minmax(0,1fr);padding-top:40px}
  .art-side{position:static}
  .rec-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .form-card{grid-template-columns:minmax(0,1fr);padding:30px 24px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
  .cta-band{padding:36px 28px}
}
@media (max-width:767.98px){
  body{font-size:16px}
  .section{padding:44px 0}
  .section-tight{padding:34px 0}
  .art-hero{min-height:auto;border-radius:22px}
  .art-hero-inner{padding:30px 22px}
  .article-card{padding:26px 20px;border-radius:20px}
  .article-content{font-size:16.5px}
  .rec-grid{grid-template-columns:minmax(0,1fr)}
  .cta-band-actions .btn{width:100%}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .footer-bottom{flex-direction:column}
}
@media (max-width:575.98px){
  .wrap{padding:0 14px}
  .art-hero h1{font-size:1.7rem}
  .chip{font-size:12.5px;padding:6px 11px}
  .btn{padding:11px 20px;font-size:15px}
}

/* roulang page: category3 */
:root{
  --orange:#FF6A2A;
  --purple:#6C4DFF;
  --mint:#22D3A6;
  --rose:#FF3D71;
  --ink:#14121A;
  --bg:#FFF8F0;
  --mist:#F5F1EA;
  --text:#1B1720;
  --muted:#6B6570;
  --line:#EFE6DC;
  --white:#FFFFFF;
  --grad:linear-gradient(135deg,#FF6A2A 0%,#FF3D71 52%,#6C4DFF 100%);
  --r-xl:28px;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --sh:0 12px 30px rgba(31,20,40,.08);
  --sh-hover:0 18px 40px rgba(255,106,42,.18);
  --sidebar:256px;
  --bs-primary:#FF6A2A;
  --bs-primary-rgb:255,106,42;
  --bs-body-color:#1B1720;
  --bs-body-bg:#FFF8F0;
  --bs-border-color:#EFE6DC;
  --bs-link-color:#FF6A2A;
  --bs-link-hover-color:#6C4DFF;
  --bs-body-font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,"Segoe UI",sans-serif;
  --bs-border-radius:14px;
  --bs-border-radius-lg:18px;
  --bs-font-sans-serif:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--orange);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--purple);}
h1,h2,h3,h4{font-weight:800;line-height:1.3;margin:0;color:var(--ink);letter-spacing:.2px;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(255,106,42,.45);outline-offset:2px;border-radius:8px;}

/* ---------- 左侧栏 ---------- */
.sidebar{
  position:fixed;
  top:0;left:0;
  width:var(--sidebar);
  height:100vh;
  background:var(--ink);
  color:var(--white);
  padding:24px 18px;
  display:flex;
  flex-direction:column;
  z-index:1040;
  overflow-y:auto;
}
.sb-brand{
  display:flex;
  align-items:center;
  gap:10px;
  height:72px;
  font-size:16px;
  font-weight:800;
  color:var(--white);
  border-bottom:1px solid rgba(255,255,255,.1);
  padding-bottom:14px;
  margin-bottom:18px;
}
.sb-brand:hover{color:var(--white);}
.sb-logo-mark{
  width:36px;height:36px;
  flex:0 0 36px;
  border-radius:12px;
  background:var(--grad);
  display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:800;color:var(--white);
}
.sb-brand span.sb-brand-text{line-height:1.25;}
.sb-nav{display:flex;flex-direction:column;gap:6px;}
.sb-link{
  display:flex;
  align-items:center;
  height:46px;
  padding:0 14px;
  border-radius:var(--r-sm);
  color:rgba(255,255,255,.82);
  font-size:15px;
  font-weight:600;
  position:relative;
  transition:background .2s ease,color .2s ease,padding .2s ease;
}
.sb-link:hover{background:rgba(255,106,42,.12);color:var(--white);}
.sb-link.active{
  background:rgba(255,106,42,.16);
  color:var(--white);
  padding-left:18px;
}
.sb-link.active::before{
  content:"";
  position:absolute;left:0;top:9px;bottom:9px;
  width:4px;border-radius:4px;
  background:var(--grad);
}
.sb-foot{
  margin-top:auto;
  padding:16px;
  border-radius:var(--r-md);
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.1);
  font-size:13px;
  color:rgba(255,255,255,.75);
  line-height:1.7;
}
.sb-foot strong{display:block;color:var(--white);font-size:14px;margin-bottom:6px;}
.sb-dot{
  display:inline-block;width:8px;height:8px;border-radius:50%;
  background:var(--mint);margin-right:6px;
  box-shadow:0 0 0 4px rgba(34,211,166,.18);
}

/* ---------- 移动顶栏 ---------- */
.mobile-bar{
  display:none;
  position:sticky;top:0;z-index:1050;
  height:64px;
  background:var(--ink);
  color:var(--white);
  align-items:center;
  justify-content:space-between;
  padding:0 16px;
}
.mobile-bar .mb-brand{
  display:flex;align-items:center;gap:8px;
  color:var(--white);font-weight:800;font-size:15px;
}
.mobile-bar .mb-brand:hover{color:var(--white);}
.mb-toggle{
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.06);
  color:var(--white);
  font-size:22px;
  display:flex;align-items:center;justify-content:center;
}
.mb-toggle:hover{background:rgba(255,106,42,.2);}
.offcanvas.mobile-drawer{background:var(--white);width:290px;}
.mobile-drawer .drawer-head{
  display:flex;align-items:center;gap:10px;
  font-weight:800;color:var(--ink);
  padding:18px 20px;border-bottom:1px solid var(--line);
}
.mobile-drawer .drawer-nav{padding:14px 12px;display:flex;flex-direction:column;gap:6px;}
.mobile-drawer .drawer-nav a{
  display:block;
  padding:13px 16px;
  border-radius:var(--r-sm);
  color:var(--text);
  font-weight:600;
}
.mobile-drawer .drawer-nav a:hover{background:rgba(255,106,42,.1);color:var(--orange);}
.mobile-drawer .drawer-nav a.active{background:rgba(255,106,42,.14);color:var(--orange);}
.drawer-tip{
  margin:8px 20px 24px;
  padding:14px 16px;
  border-radius:var(--r-sm);
  background:var(--mist);
  border:1px solid var(--line);
  font-size:13px;
  color:var(--muted);
}

/* ---------- 内容区 ---------- */
.page{
  margin-left:var(--sidebar);
  min-height:100vh;
}
.wrap{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding:0 32px;
}
.section{padding:88px 0;}
.section-sm{padding:64px 0;}
.sec-head{margin-bottom:36px;}
.sec-head h2{font-size:clamp(1.5rem,2.5vw,2.2rem);}
.sec-head p{color:var(--muted);margin-top:12px;max-width:760px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:1px;
  color:var(--orange);
  background:rgba(255,106,42,.1);
  border-radius:999px;
  padding:6px 14px;
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--grad);}

.breadcrumb-bar{
  padding:20px 0 0;
  font-size:13px;
  color:var(--muted);
}
.breadcrumb-bar a{color:var(--muted);}
.breadcrumb-bar a:hover{color:var(--orange);}
.breadcrumb-bar .sep{margin:0 8px;opacity:.6;}
.breadcrumb-bar .current{color:var(--text);font-weight:700;}

/* ---------- Hero Banner ---------- */
.banner{
  position:relative;
  border-radius:var(--r-xl);
  overflow:hidden;
  min-height:520px;
  display:flex;
  align-items:center;
  background-image:linear-gradient(90deg,rgba(20,18,26,.94),rgba(20,18,26,.5)),url("/assets/images/backpic/back-3.png");
  background-size:cover;
  background-position:center;
  padding:64px;
}
.banner::after{
  content:"";
  position:absolute;
  width:520px;height:520px;
  right:-140px;top:-160px;
  background:var(--grad);
  opacity:.28;
  filter:blur(90px);
  border-radius:50%;
  pointer-events:none;
}
.banner-inner{position:relative;z-index:2;width:100%;}
.banner h1{
  color:var(--white);
  font-size:clamp(2rem,4vw,3.4rem);
  margin:12px 0 16px;
}
.banner .lead{
  color:rgba(255,255,255,.82);
  font-size:17px;
  max-width:600px;
}
.banner .eyebrow{background:rgba(255,106,42,.2);color:#FFD8C2;}
.banner-actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap;}
.badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px;}
.badge-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;
  border-radius:999px;
  font-size:14px;
  font-weight:600;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.16);
  color:var(--white);
}
.badge-pill::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--mint);}
.badge-pill.p-orange::before{background:var(--orange);}
.badge-pill.p-purple::before{background:var(--purple);}
.badge-pill.p-rose::before{background:var(--rose);}
.badge-pill b{font-weight:800;}

.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 30px;
  border-radius:999px;
  background:var(--grad);
  color:var(--white);
  font-weight:700;
  font-size:16px;
  border:none;
  box-shadow:0 12px 26px rgba(255,61,113,.26);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-brand:hover{color:var(--white);transform:translateY(-2px);box-shadow:0 18px 34px rgba(255,61,113,.32);filter:saturate(1.08);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;
  border-radius:999px;
  background:rgba(255,255,255,.95);
  border:1.5px solid var(--orange);
  color:var(--orange);
  font-weight:700;
  font-size:16px;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.btn-ghost:hover{background:var(--orange);color:var(--white);transform:translateY(-2px);}
.btn-outline-soft{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--white);
  color:var(--ink);
  font-weight:700;
  transition:border-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-outline-soft:hover{border-color:var(--orange);color:var(--orange);transform:translateY(-2px);box-shadow:var(--sh);}

/* ---------- 通用卡片 ---------- */
.card-soft{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px;
  box-shadow:var(--sh);
  height:100%;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card-soft:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(255,106,42,.35);}
.card-soft h3{font-size:1.25rem;margin-bottom:10px;}
.card-soft p{color:var(--muted);font-size:15px;}
.num-badge{
  width:44px;height:44px;
  border-radius:14px;
  background:var(--grad);
  color:var(--white);
  font-weight:800;
  display:flex;align-items:center;justify-content:center;
  font-size:16px;
  margin-bottom:18px;
  box-shadow:0 10px 22px rgba(108,77,255,.24);
}
.num-badge.mint{background:linear-gradient(135deg,#22D3A6,#6C4DFF);box-shadow:0 10px 22px rgba(34,211,166,.24);}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}

/* ---------- 图文自查 ---------- */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:center;
}
.split-media img{
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  box-shadow:var(--sh);
  aspect-ratio:4/3;
  object-fit:cover;
  width:100%;
}
.check-list{margin-top:22px;display:flex;flex-direction:column;gap:16px;}
.check-list li{
  display:flex;gap:14px;
  padding:16px 18px;
  border-radius:var(--r-md);
  background:var(--white);
  border:1px solid var(--line);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.check-list li:hover{border-color:rgba(255,106,42,.4);box-shadow:var(--sh);}
.check-list i{
  color:var(--mint);
  font-size:20px;
  line-height:1.6;
  flex:0 0 auto;
}
.check-list strong{display:block;font-weight:700;color:var(--ink);margin-bottom:2px;font-size:15.5px;}
.check-list span{color:var(--muted);font-size:14.5px;}

/* ---------- 速查条 ---------- */
.quick-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:24px;
  height:100%;
  border-top:4px solid transparent;
  border-image:var(--grad) 1;
  border-image-slice:1 0 0 0;
  transition:transform .22s ease,box-shadow .22s ease;
}
.quick-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.quick-card h3{font-size:17px;margin-bottom:8px;}
.quick-card p{font-size:14.5px;color:var(--muted);}
.quick-card .tag{
  display:inline-block;
  font-size:12.5px;
  font-weight:700;
  padding:4px 12px;
  border-radius:999px;
  margin-bottom:12px;
  background:rgba(108,77,255,.1);
  color:var(--purple);
}
.quick-card .tag.t-orange{background:rgba(255,106,42,.12);color:var(--orange);}
.quick-card .tag.t-mint{background:rgba(34,211,166,.14);color:#12946F;}

/* ---------- FAQ 深色区 ---------- */
.dark-block{
  background:var(--ink);
  border-radius:var(--r-xl);
  padding:72px 56px;
  position:relative;
  overflow:hidden;
}
.dark-block::before{
  content:"";
  position:absolute;
  width:420px;height:420px;
  left:-160px;bottom:-180px;
  background:var(--grad);
  opacity:.22;
  filter:blur(100px);
  border-radius:50%;
}
.dark-block .sec-head{position:relative;z-index:2;}
.dark-block .sec-head h2{color:var(--white);}
.dark-block .sec-head p{color:rgba(255,255,255,.68);}
.dark-block .eyebrow{background:rgba(255,106,42,.18);color:#FFC7A8;}
.faq-wrap{position:relative;z-index:2;margin-top:8px;}
.accordion-item{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-md)!important;
  margin-bottom:14px;
  overflow:hidden;
}
.accordion-button{
  background:transparent;
  color:var(--white);
  font-weight:600;
  font-size:16.5px;
  padding:20px 24px;
  box-shadow:none!important;
  position:relative;
}
.accordion-button:not(.collapsed){
  background:rgba(255,106,42,.14);
  color:var(--white);
}
.accordion-button:not(.collapsed)::before{
  content:"";
  position:absolute;left:0;top:12px;bottom:12px;
  width:4px;border-radius:4px;
  background:var(--grad);
}
.accordion-button::after{
  background-image:none;
  content:"\F64D";
  font-family:"bootstrap-icons";
  font-size:18px;
  color:rgba(255,255,255,.7);
  width:auto;height:auto;
  transform:none;
  transition:transform .25s ease;
  margin-left:16px;
}
.accordion-button:not(.collapsed)::after{transform:rotate(180deg);color:var(--orange);}
.accordion-body{
  color:rgba(255,255,255,.74);
  font-size:15.5px;
  line-height:1.85;
  padding:2px 24px 24px;
}
.accordion-body strong{color:var(--white);}

/* ---------- 联系区 ---------- */
.contact-wrap{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);
  gap:32px;
  align-items:start;
}
.panel{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:32px;
  box-shadow:var(--sh);
}
.channel-list{display:flex;flex-direction:column;gap:16px;margin-top:24px;}
.channel{
  display:flex;gap:16px;
  padding:18px;
  border-radius:var(--r-md);
  background:var(--mist);
  border:1px solid var(--line);
  transition:background .2s ease,border-color .2s ease;
}
.channel:hover{background:#fff;border-color:rgba(255,106,42,.35);}
.channel i{
  flex:0 0 44px;width:44px;height:44px;
  border-radius:14px;
  background:var(--grad);
  color:var(--white);
  display:flex;align-items:center;justify-content:center;
  font-size:20px;
}
.channel h4{font-size:16px;margin-bottom:4px;}
.channel p{font-size:14.5px;color:var(--muted);}
.form-label{font-weight:700;font-size:14.5px;color:var(--ink);margin-bottom:8px;}
.form-control,.form-select{
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  padding:12px 16px;
  font-size:15px;
  background:var(--bg);
  color:var(--text);
}
.form-control:focus,.form-select:focus{
  border-color:var(--orange);
  box-shadow:0 0 0 4px rgba(255,106,42,.16);
  background:var(--white);
}
.form-control::placeholder{color:#A79FAB;}
.form-hint{font-size:13px;color:var(--muted);margin-top:6px;}
.form-note{
  margin-top:18px;
  font-size:13.5px;
  color:var(--muted);
  background:var(--mist);
  border:1px dashed var(--line);
  border-radius:var(--r-sm);
  padding:14px 16px;
}
.assure{margin-top:22px;display:flex;flex-wrap:wrap;gap:10px;}
.assure span{
  font-size:13px;font-weight:600;
  padding:6px 14px;border-radius:999px;
  background:rgba(34,211,166,.12);
  color:#12946F;
}

/* ---------- 返回入口 CTA ---------- */
.cta-strip{
  border-radius:var(--r-xl);
  background:var(--grad);
  padding:48px 56px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
  box-shadow:0 20px 44px rgba(255,61,113,.24);
}
.cta-strip h2{color:var(--white);font-size:clamp(1.4rem,2.4vw,2rem);}
.cta-strip p{color:rgba(255,255,255,.86);margin-top:10px;max-width:620px;}
.cta-strip .btn-ghost{background:var(--white);border-color:var(--white);}
.cta-strip .btn-ghost:hover{background:var(--ink);border-color:var(--ink);color:var(--white);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);
  color:rgba(255,255,255,.72);
  padding:64px 0 0;
  margin-top:24px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  color:var(--white);font-weight:800;font-size:17px;margin-bottom:16px;
}
.footer-desc{font-size:14.5px;line-height:1.8;}
.footer-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.footer-badges span{
  font-size:12.5px;
  padding:5px 12px;
  border-radius:999px;
  background:rgba(255,106,42,.16);
  color:#FFC7A8;
}
.footer-col h4{color:var(--white);font-size:15.5px;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{color:rgba(255,255,255,.72);font-size:14.5px;}
.footer-col ul a:hover{color:var(--orange);}
.footer-col p{font-size:14px;margin-bottom:10px;line-height:1.75;}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0 30px;
  font-size:13px;
  color:rgba(255,255,255,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  :root{--sidebar:220px;}
  .banner{padding:48px;min-height:480px;}
  .dark-block{padding:56px 36px;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;}
  .footer-grid .footer-col:last-child{grid-column:1 / -1;}
}
@media (max-width:991.98px){
  .sidebar{display:none;}
  .mobile-bar{display:flex;}
  .page{margin-left:0;}
  .wrap{padding:0 20px;}
  .section{padding:56px 0;}
  .section-sm{padding:44px 0;}
  .split{grid-template-columns:1fr;gap:32px;}
  .contact-wrap{grid-template-columns:1fr;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .banner{padding:40px 28px;min-height:460px;border-radius:22px;}
  .dark-block{padding:48px 24px;border-radius:22px;}
  .cta-strip{padding:36px 28px;border-radius:22px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .grid-3,.grid-2,.grid-4{grid-template-columns:1fr;}
  .banner{min-height:420px;padding:32px 22px;}
  .banner-actions{flex-direction:column;}
  .banner-actions .btn-brand,.banner-actions .btn-ghost{width:100%;}
  .section{padding:48px 0;}
  .card-soft{padding:22px;}
  .panel{padding:22px;}
  .site-footer{padding-top:48px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:575.98px){
  .banner h1{font-size:1.85rem;}
  .badge-pill{font-size:13px;padding:7px 12px;}
  .dark-block{padding:36px 18px;}
  .accordion-button{padding:16px 18px;font-size:15.5px;}
  .accordion-body{padding:2px 18px 20px;font-size:15px;}
  .cta-strip{padding:30px 20px;}
  .cta-strip .btn-ghost,.cta-strip .btn-brand{width:100%;}
}

/* roulang page: category2 */
:root{
  --brand:#FF6A2A;
  --brand-2:#FF3D71;
  --brand-3:#6C4DFF;
  --cyan:#22D3A6;
  --ink:#14121A;
  --bg:#FFF8F0;
  --bg-soft:#F5F1EA;
  --text:#1B1720;
  --muted:#6B6570;
  --white:#FFFFFF;
  --border:#EFE6DC;
  --grad:linear-gradient(135deg,#FF6A2A 0%,#FF3D71 52%,#6C4DFF 100%);
  --grad-soft:linear-gradient(135deg,rgba(255,106,42,.12),rgba(108,77,255,.12));
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-pill:999px;
  --sh:0 12px 30px rgba(31,20,40,.08);
  --sh-hover:0 18px 40px rgba(255,106,42,.18);
  --sb:256px;
  --bs-primary:#FF6A2A;
  --bs-body-color:#1B1720;
  --bs-body-bg:#FFF8F0;
  --bs-border-color:#EFE6DC;
  --bs-link-color:#FF6A2A;
  --bs-link-hover-color:#FF3D71;
  --bs-font-sans-serif:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Helvetica Neue",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Helvetica Neue",sans-serif;
  font-size:16.5px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-2)}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,h4{font-weight:700;line-height:1.3;color:var(--text);margin:0}
h1{font-size:clamp(2rem,4vw,3.4rem);font-weight:800;letter-spacing:-.5px}
h2{font-size:clamp(1.5rem,2.5vw,2.2rem);font-weight:800}
h3{font-size:1.25rem;font-weight:700}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
:focus-visible{outline:3px solid rgba(255,106,42,.45);outline-offset:2px;border-radius:6px}
.btn{--bs-btn-border-radius:var(--r-pill);--bs-btn-padding-y:.72rem;--bs-btn-padding-x:1.6rem;font-weight:600;border-radius:var(--r-pill);transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease;border-width:1px}
.btn-grad{background:var(--grad);color:#fff;border:none;box-shadow:0 12px 26px rgba(255,106,42,.28)}
.btn-grad:hover,.btn-grad:focus{color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(108,77,255,.32)}
.btn-ghost{background:#fff;color:var(--brand);border:1px solid var(--brand)}
.btn-ghost:hover,.btn-ghost:focus{background:#FFF3EB;color:var(--brand-2);border-color:var(--brand-2);transform:translateY(-2px)}
.btn-ink{background:var(--ink);color:#fff;border:none}
.btn-ink:hover,.btn-ink:focus{background:#241f2e;color:#fff}
.wrap{max-width:1280px;margin:0 auto;padding:0 24px}

/* ============ 左侧导航 ============ */
.sidebar{
  position:fixed;top:0;left:0;width:var(--sb);height:100vh;z-index:1040;
  background:var(--ink);color:#fff;padding:24px 18px 20px;
  display:flex;flex-direction:column;gap:22px;overflow-y:auto;
}
.sb-brand{height:72px;display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;letter-spacing:.2px;line-height:1.25}
.sb-brand:hover{color:#fff}
.sb-logo-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;background:var(--grad);
  display:inline-flex;align-items:center;justify-content:center;font-size:18px;font-weight:800;color:#fff;
}
.sb-brand-text{display:flex;flex-direction:column}
.sb-brand-sub{font-size:11.5px;font-weight:500;color:rgba(255,255,255,.5);letter-spacing:1px}
.sb-nav{display:flex;flex-direction:column;gap:8px}
.sb-link{
  position:relative;height:46px;display:flex;align-items:center;
  padding:0 16px;border-radius:var(--r-sm);font-size:15px;
  color:rgba(255,255,255,.76);transition:background .2s ease,color .2s ease;
}
.sb-link:hover{background:rgba(255,106,42,.12);color:#fff}
.sb-link.active{background:rgba(255,106,42,.16);color:#fff;font-weight:600}
.sb-link.active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:4px;border-radius:4px;background:var(--grad);
}
.sb-status{
  margin-top:auto;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.09);
  border-radius:var(--r-md);padding:16px;
}
.sb-status .st-title{font-size:13px;color:rgba(255,255,255,.55);margin-bottom:8px;letter-spacing:.5px}
.sb-status .st-line{display:flex;align-items:center;gap:8px;font-size:14px;color:#fff;margin-bottom:6px}
.sb-status .st-line:last-child{margin-bottom:0}
.dot{width:8px;height:8px;border-radius:50%;display:inline-block;flex:0 0 8px}
.dot-cyan{background:var(--cyan);box-shadow:0 0 0 4px rgba(34,211,166,.18)}
.dot-orange{background:var(--brand);box-shadow:0 0 0 4px rgba(255,106,42,.18)}
.dot-purple{background:var(--brand-3);box-shadow:0 0 0 4px rgba(108,77,255,.18)}

/* ============ 移动端顶栏 ============ */
.mobile-topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:64px;z-index:1050;
  background:var(--ink);align-items:center;justify-content:space-between;padding:0 16px;
  box-shadow:0 6px 20px rgba(20,18,26,.28);
}
.mobile-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:15.5px}
.mobile-brand:hover{color:#fff}
.hamburger{
  width:42px;height:42px;border-radius:var(--r-sm);border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);color:#fff;font-size:20px;display:inline-flex;align-items:center;justify-content:center;
}
.hamburger:hover{background:rgba(255,106,42,.2);color:#fff}
.offcanvas{background:#fff}
.offcanvas-header{border-bottom:1px solid var(--border);padding:18px 20px}
.offcanvas-title{font-weight:800;font-size:16px}
.offcanvas-body{padding:18px 16px}
.drawer-nav{display:flex;flex-direction:column;gap:8px}
.drawer-link{
  height:50px;display:flex;align-items:center;padding:0 16px;border-radius:var(--r-sm);
  font-size:15.5px;color:var(--text);
}
.drawer-link:hover{background:rgba(255,106,42,.10);color:var(--brand)}
.drawer-link.active{background:rgba(255,106,42,.14);color:var(--brand);font-weight:600}
.drawer-tip{margin-top:20px;background:var(--bg-soft);border-radius:var(--r-md);padding:16px;font-size:13.5px;color:var(--muted)}

/* ============ 主区域 ============ */
main{margin-left:var(--sb);padding-bottom:0}
.sec{padding:76px 0}
.sec-soft{background:var(--bg-soft)}
.sec-ink{background:var(--ink);color:#fff}
.sec-head{max-width:760px;margin-bottom:44px}
.sec-kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:1.5px;
  color:var(--brand);text-transform:uppercase;margin-bottom:12px;
}
.sec-kicker::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--grad)}
.sec-head p{color:var(--muted);margin:14px 0 0;font-size:16.5px}
.sec-ink .sec-head p{color:rgba(255,255,255,.72)}
.sec-ink h2{color:#fff}

/* ============ Banner ============ */
.page-banner{
  position:relative;margin:28px 24px 0;border-radius:28px;overflow:hidden;
  min-height:520px;display:flex;align-items:center;padding:64px;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(20,18,26,.92) 0%,rgba(20,18,26,.62) 55%,rgba(20,18,26,.42) 100%);
}
.page-banner::after{
  content:"";position:absolute;width:460px;height:460px;right:-120px;top:-140px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,42,.42),rgba(108,77,255,.18) 55%,transparent 72%);
  pointer-events:none;
}
.banner-inner{position:relative;z-index:2;width:100%}
.breadcrumb-line{font-size:13.5px;color:rgba(255,255,255,.6);margin-bottom:20px}
.breadcrumb-line a{color:rgba(255,255,255,.72)}
.breadcrumb-line a:hover{color:#fff}
.breadcrumb-line .cur{color:#fff;font-weight:600}
.banner-tag{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.16);
  color:#fff;font-size:13px;letter-spacing:1px;margin-bottom:20px;
}
.banner-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:36px;align-items:end}
.banner-copy{grid-column:span 7}
.banner-copy h1{color:#fff;margin-bottom:18px}
.banner-copy h1 .hl{
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.banner-copy p{color:rgba(255,255,255,.78);font-size:17px;max-width:620px;margin-bottom:28px}
.banner-cta{display:flex;gap:14px;flex-wrap:wrap}
.badge-panel{grid-column:span 5;display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.stat-badge{
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-md);padding:18px;backdrop-filter:none;
}
.stat-badge .sb-label{font-size:12.5px;color:rgba(255,255,255,.6);display:flex;align-items:center;gap:7px;margin-bottom:8px}
.stat-badge .sb-value{font-size:19px;font-weight:700;color:#fff;line-height:1.35}

/* ============ 数据徽章条 ============ */
.badge-strip{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.pill{
  display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:var(--r-pill);
  font-size:13.5px;font-weight:600;border:1px solid var(--border);background:#fff;color:var(--text);
}
.pill-cyan{background:rgba(34,211,166,.12);border-color:rgba(34,211,166,.32);color:#0E7F63}
.pill-orange{background:rgba(255,106,42,.12);border-color:rgba(255,106,42,.32);color:#C24A13}
.pill-purple{background:rgba(108,77,255,.12);border-color:rgba(108,77,255,.30);color:#4B31C4}

/* ============ 优惠阶梯 ============ */
.ladder{position:relative;display:flex;flex-direction:column;gap:20px}
.ladder::before{
  content:"";position:absolute;left:31px;top:34px;bottom:34px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,#FF6A2A,#FF3D71,#6C4DFF);opacity:.35;
}
.ladder-item{
  position:relative;display:grid;grid-template-columns:64px 1fr 210px;gap:24px;align-items:center;
  background:#fff;border:1px solid var(--border);border-radius:20px;padding:26px 30px;
  box-shadow:var(--sh);transition:transform .25s ease,box-shadow .25s ease;
}
.ladder-item:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.ladder-no{
  width:52px;height:52px;border-radius:50%;background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:19px;
  box-shadow:0 10px 22px rgba(255,106,42,.28);position:relative;z-index:2;
}
.ladder-body h3{margin-bottom:8px;font-size:19px}
.ladder-body .cond{font-size:14.5px;color:var(--muted);margin-bottom:8px}
.ladder-body .benefit{display:flex;flex-wrap:wrap;gap:8px;margin:0}
.mini-tag{
  font-size:12.5px;padding:5px 12px;border-radius:var(--r-pill);
  background:var(--bg-soft);color:#4A444F;border:1px solid var(--border);
}
.ladder-action{text-align:right}
.ladder-action .state{display:block;font-size:13px;color:var(--muted);margin-bottom:10px}
.ladder-action .btn{width:100%}

/* ============ 套餐对比 ============ */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.plan{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh);display:flex;flex-direction:column;position:relative;
  transition:transform .25s ease,box-shadow .25s ease;
}
.plan:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.plan.recommended{
  background:linear-gradient(#fff,#fff) padding-box,var(--grad) border-box;
  border:2px solid transparent;transform:translateY(-14px);
  box-shadow:0 20px 44px rgba(108,77,255,.16);
}
.plan.recommended:hover{transform:translateY(-18px)}
.plan-flag{
  position:absolute;top:16px;right:16px;background:var(--grad);color:#fff;
  font-size:12.5px;font-weight:700;padding:5px 14px;border-radius:var(--r-pill);
}
.plan-head{background:var(--ink);color:#fff;padding:26px 28px 22px}
.plan.recommended .plan-head{background:#241f2e}
.plan-head h3{color:#fff;font-size:20px;margin-bottom:6px}
.plan-head .plan-sub{font-size:13.5px;color:rgba(255,255,255,.62)}
.plan-price{padding:22px 28px 6px}
.plan-price .num{font-size:30px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.plan-price .unit{font-size:13.5px;color:var(--muted);margin-left:6px}
.plan-body{padding:10px 0 22px;flex:1}
.plan-row{
  display:flex;align-items:flex-start;gap:10px;padding:13px 28px;font-size:15px;color:#332E3A;
  border-top:1px solid var(--border);
}
.plan-body .plan-row:nth-child(odd){background:#FFFDFA}
.plan-row i{color:var(--cyan);font-size:15px;margin-top:3px}
.plan-row.mute i{color:#C6BFB6}
.plan-foot{padding:0 28px 28px}
.plan-foot .btn{width:100%}

/* ============ 限时入口 ============ */
.flash{
  position:relative;overflow:hidden;border-radius:28px;background:var(--ink);
  padding:56px 64px;display:grid;grid-template-columns:1fr auto;gap:40px;align-items:center;
}
.flash::before{
  content:"";position:absolute;width:520px;height:520px;left:-160px;bottom:-260px;border-radius:50%;
  background:radial-gradient(circle,rgba(108,77,255,.42),transparent 68%);
}
.flash::after{
  content:"";position:absolute;width:360px;height:360px;right:-100px;top:-160px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,42,.38),transparent 70%);
}
.flash-inner{position:relative;z-index:2}
.flash-tag{
  display:inline-block;padding:6px 16px;border-radius:var(--r-pill);
  background:rgba(255,61,113,.16);border:1px solid rgba(255,61,113,.42);
  color:#FFB8CE;font-size:13px;letter-spacing:1px;margin-bottom:18px;
}
.flash h2{color:#fff;margin-bottom:14px;max-width:640px}
.flash p{color:rgba(255,255,255,.7);max-width:560px;margin:0}
.flash-side{position:relative;z-index:2;text-align:center}
.flash-clock{
  font-size:42px;font-weight:800;letter-spacing:3px;color:var(--cyan);
  font-variant-numeric:tabular-nums;text-shadow:0 0 26px rgba(34,211,166,.45);margin-bottom:8px;
}
.flash-clock-label{font-size:13px;color:rgba(255,255,255,.55);letter-spacing:2px;margin-bottom:22px}
.flash-side .btn{min-width:230px}

/* ============ 权益说明卡 ============ */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh);transition:transform .25s ease,box-shadow .25s ease;
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.feature-card .fc-icon{
  width:52px;height:52px;border-radius:16px;background:var(--grad-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:23px;margin-bottom:18px;
}
.feature-card h3{margin-bottom:10px}
.feature-card p{color:var(--muted);font-size:15.5px;margin:0}

/* ============ 咨询表单 ============ */
.consult{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  box-shadow:var(--sh);overflow:hidden;display:grid;grid-template-columns:1fr 1.15fr;
}
.consult-left{padding:44px 40px;background:var(--grad-soft)}
.consult-left h2{margin-bottom:14px;font-size:1.7rem}
.consult-left p{color:var(--muted)}
.consult-points{margin:26px 0 24px;display:flex;flex-direction:column;gap:14px}
.consult-points li{display:flex;gap:12px;font-size:15px;color:#332E3A}
.consult-points i{color:var(--brand);font-size:17px;margin-top:3px}
.consult-right{padding:44px 40px}
.form-label{font-weight:600;font-size:14.5px;margin-bottom:8px;color:#332E3A}
.form-control,.form-select{
  border-radius:var(--r-sm);border:1px solid var(--border);padding:.72rem 1rem;
  background:#FFFDFA;font-size:15.5px;color:var(--text);
}
.form-control:focus,.form-select:focus{
  border-color:var(--brand);box-shadow:0 0 0 4px rgba(255,106,42,.14);background:#fff;
}
.form-control::placeholder{color:#B0A9A0}
.form-alert{border-radius:var(--r-sm);padding:14px 18px;font-size:15px;margin-bottom:20px;border:1px solid transparent}
.form-alert.ok{background:rgba(34,211,166,.12);border-color:rgba(34,211,166,.38);color:#0E7F63}
.form-alert.err{background:rgba(255,61,113,.10);border-color:rgba(255,61,113,.34);color:#C42A55}
.form-hint{font-size:13px;color:var(--muted);margin-top:10px}

/* ============ FAQ ============ */
.accordion-item{
  background:#fff;border:1px solid var(--border)!important;border-radius:16px!important;
  overflow:hidden;margin-bottom:14px;
}
.accordion-button{
  position:relative;font-size:17px;font-weight:600;color:var(--text);background:#fff;
  padding:22px 26px;box-shadow:none!important;border-radius:16px!important;
}
.accordion-button:not(.collapsed){color:var(--brand);background:#FFF6F0}
.accordion-button:not(.collapsed)::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:4px;border-radius:4px;background:var(--grad);
}
.accordion-button::after{
  background-image:none;content:"\F282";font-family:"bootstrap-icons";
  font-size:15px;color:var(--muted);transition:transform .25s ease;
  width:auto;height:auto;display:flex;align-items:center;justify-content:center;
}
.accordion-button:not(.collapsed)::after{color:var(--brand);transform:rotate(180deg)}
.accordion-body{padding:2px 26px 24px;font-size:16px;line-height:1.78;color:#433D4A}

/* ============ 底部 CTA ============ */
.end-cta{
  position:relative;overflow:hidden;border-radius:28px;padding:56px 64px;
  background:linear-gradient(135deg,#FF6A2A,#FF3D71 52%,#6C4DFF);
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.end-cta h2{color:#fff;margin-bottom:10px}
.end-cta p{color:rgba(255,255,255,.86);margin:0;max-width:640px}
.end-cta .btn{background:#fff;color:#C24A13;border:none;font-weight:700}
.end-cta .btn:hover{background:#FFF3EB;color:var(--brand-3);transform:translateY(-2px)}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);margin-top:88px;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;margin-bottom:16px}
.footer-desc{font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.6);margin-bottom:18px}
.footer-badges{display:flex;flex-wrap:wrap;gap:8px}
.footer-badges span{
  font-size:12.5px;padding:5px 13px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);color:rgba(255,255,255,.8);
}
.footer-col h4{color:#fff;font-size:15.5px;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col ul a{color:rgba(255,255,255,.66);font-size:14.5px}
.footer-col ul a:hover{color:var(--brand)}
.footer-col p{font-size:14.5px;color:rgba(255,255,255,.6);margin-bottom:10px}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.09);padding:22px 0 28px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.48);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  :root{--sb:220px}
  .wrap{padding:0 20px}
  .page-banner{padding:48px;min-height:480px}
  .flash{padding:48px;grid-template-columns:1fr;gap:28px;text-align:left}
  .flash-side{text-align:left}
  .consult{grid-template-columns:1fr}
  .consult-left,.consult-right{padding:36px 32px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
}
@media (max-width:991.98px){
  .sidebar{display:none}
  .mobile-topbar{display:flex}
  main{margin-left:0;padding-top:64px}
  .page-banner{margin:20px 16px 0;padding:40px 32px;min-height:440px;border-radius:24px}
  .banner-copy{grid-column:span 12}
  .banner-copy p{font-size:16px}
  .badge-panel{grid-column:span 12}
  .sec{padding:56px 0}
  .plans{grid-template-columns:1fr;gap:22px}
  .plan.recommended{transform:none}
  .plan.recommended:hover{transform:translateY(-4px)}
  .feature-grid{grid-template-columns:1fr 1fr}
  .ladder-item{grid-template-columns:56px 1fr;gap:18px;padding:24px}
  .ladder-action{grid-column:span 2;text-align:left}
  .ladder-action .btn{width:auto}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .end-cta{padding:44px 36px}
}
@media (max-width:767.98px){
  body{font-size:16px}
  .page-banner{padding:32px 24px;min-height:420px;margin:16px 12px 0}
  .banner-cta .btn{width:100%}
  .badge-panel{grid-template-columns:1fr 1fr}
  .feature-grid{grid-template-columns:1fr}
  .flash{padding:36px 26px;border-radius:24px}
  .flash-clock{font-size:34px}
  .flash-side .btn{width:100%;min-width:0}
  .ladder-item{grid-template-columns:1fr;padding:22px}
  .ladder::before{display:none}
  .ladder-no{width:44px;height:44px;font-size:17px;margin-bottom:6px}
  .ladder-action{grid-column:span 1}
  .ladder-action .btn{width:100%}
  .end-cta{padding:36px 24px;flex-direction:column;align-items:flex-start}
  .end-cta .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column}
}
@media (max-width:575.98px){
  .wrap{padding:0 16px}
  h1{font-size:1.85rem}
  .badge-panel{grid-template-columns:1fr}
  .sec{padding:46px 0}
  .consult-left,.consult-right{padding:28px 22px}
  .accordion-button{font-size:16px;padding:18px 20px}
  .accordion-body{padding:0 20px 20px}
}