/* roulang page: index */
:root{
  --brand:#6C4DFF;
  --brand-deep:#5538E0;
  --lime:#C7F000;
  --coral:#FF6A3D;
  --bg:#F7F6F2;
  --dark:#111217;
  --dark-soft:#1B1D24;
  --card:#FFFFFF;
  --border:#E6E3DA;
  --ink:#121212;
  --muted:#5F5B55;
  --radius:16px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow:0 4px 20px rgba(0,0,0,.06);
  --shadow-hover:0 12px 32px rgba(17,18,23,.12);
  --ease:.22s ease;
  --container:1280px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Inter",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--brand);}
h1,h2,h3,h4{letter-spacing:-0.02em;margin:0;font-weight:700;color:var(--ink);}
p{margin:0 0 1em;}
button{font-family:inherit;}
:focus-visible{outline:3px solid var(--lime);outline-offset:2px;border-radius:6px;}

.container-x{max-width:var(--container);margin:0 auto;padding:0 24px;width:100%;}
.section{padding:96px 0;}
.section-tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.12em;
  color:var(--brand);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--lime);}
.section-head h2{font-size:clamp(24px,3vw,36px);line-height:1.25;margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:16px;margin:0;}
.dark-block{background:var(--dark);color:#fff;}
.dark-block h2,.dark-block h3,.dark-block h1{color:#fff;}
.dark-block .section-head p{color:rgba(255,255,255,.66);}

/* 按钮 */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:700;border:1px solid transparent;
  cursor:pointer;transition:all var(--ease);white-space:nowrap;
}
.btn-x:hover{transform:translateY(-2px);}
.btn-primary-x{background:var(--brand);color:#fff;box-shadow:0 6px 18px rgba(108,77,255,.28);}
.btn-primary-x:hover{background:var(--brand-deep);color:#fff;}
.btn-coral{background:var(--coral);color:#fff;box-shadow:0 6px 18px rgba(255,106,61,.28);}
.btn-coral:hover{background:#EE5527;color:#fff;}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--border);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);}
.btn-dark-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.28);}
.btn-dark-ghost:hover{border-color:var(--lime);color:var(--lime);}
.btn-lime{background:var(--lime);color:#1A1C10;}
.btn-lime:hover{background:#D6FF1A;color:#1A1C10;}
.btn-sm-x{height:40px;padding:0 18px;font-size:14px;}

/* 公告条 */
.notice-bar{
  background:var(--dark);color:rgba(255,255,255,.9);
  font-size:14px;padding:10px 0;position:relative;
}
.notice-bar .container-x{display:flex;align-items:center;justify-content:center;gap:12px;padding-right:52px;}
.notice-bar .dot{width:8px;height:8px;border-radius:50%;background:var(--lime);flex:none;box-shadow:0 0 0 4px rgba(199,240,0,.18);}
.notice-bar a{color:var(--lime);font-weight:700;}
.notice-close{
  position:absolute;right:24px;top:50%;transform:translateY(-50%);
  background:transparent;border:0;color:rgba(255,255,255,.6);font-size:16px;cursor:pointer;
  width:32px;height:32px;border-radius:8px;transition:all var(--ease);
}
.notice-close:hover{color:#fff;background:rgba(255,255,255,.1);}

/* Header */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(247,246,242,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
  transition:box-shadow var(--ease),background var(--ease);
}
.site-header.scrolled{box-shadow:0 6px 24px rgba(17,18,23,.08);background:rgba(247,246,242,.98);}
.nav-inner{display:flex;align-items:center;gap:24px;height:76px;}
.brand{display:flex;align-items:center;gap:12px;flex:none;}
.brand-mark{
  width:42px;height:42px;border-radius:12px;
  background:linear-gradient(135deg,var(--brand),#8E74FF);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:800;font-size:18px;
  box-shadow:0 6px 16px rgba(108,77,255,.3);
}
.brand-text{font-size:20px;font-weight:800;letter-spacing:-0.02em;line-height:1.1;}
.brand-text small{display:block;font-size:11px;font-weight:600;color:var(--muted);letter-spacing:.08em;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-links a{
  position:relative;padding:10px 14px;font-size:15px;font-weight:600;color:var(--muted);
  border-radius:10px;transition:all var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--lime);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform var(--ease);
}
.nav-links a:hover{color:var(--ink);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--ink);}
.nav-links a.active::after{transform:scaleX(1);}
.nav-cta{margin-left:16px;flex:none;}
.nav-toggle{
  display:none;margin-left:auto;width:46px;height:46px;border-radius:12px;
  border:1px solid var(--border);background:#fff;color:var(--ink);font-size:18px;cursor:pointer;
}
.mobile-drawer{
  display:none;border-top:1px solid var(--border);background:var(--bg);padding:16px 0 24px;
}
.mobile-drawer.open{display:block;}
.mobile-drawer a.d-link{
  display:block;padding:14px 16px;border-radius:12px;font-weight:600;color:var(--ink);
  border:1px solid transparent;
}
.mobile-drawer a.d-link.active{background:#fff;border-color:var(--border);color:var(--brand);}
.mobile-drawer a.d-link:hover{background:#fff;}
.mobile-drawer .btn-x{width:100%;margin-top:12px;}

/* Hero */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background-image:linear-gradient(120deg,rgba(17,18,23,.94) 0%,rgba(17,18,23,.78) 45%,rgba(85,56,224,.62) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.hero::after{
  content:"";position:absolute;right:-140px;bottom:-160px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(199,240,0,.22),transparent 62%);pointer-events:none;
}
.hero-inner{padding:88px 0 92px;position:relative;z-index:2;}
.hero-kicker{
  display:inline-flex;align-items:center;gap:10px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);
  padding:7px 16px;border-radius:var(--radius-pill);
  font-size:13px;font-weight:600;letter-spacing:.04em;color:rgba(255,255,255,.9);
  margin-bottom:22px;
}
.hero-kicker i{color:var(--lime);}
.hero h1{
  font-size:clamp(32px,5vw,64px);line-height:1.14;font-weight:800;color:#fff;
  margin-bottom:20px;
}
.hero h1 em{font-style:normal;color:var(--lime);}
.hero-sub{
  font-size:17px;line-height:1.85;color:rgba(255,255,255,.78);
  max-width:600px;margin-bottom:30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;list-style:none;padding:0;margin:0;}
.hero-points li{font-size:14px;color:rgba(255,255,255,.72);display:flex;align-items:center;gap:8px;}
.hero-points li i{color:var(--lime);font-size:13px;}
.hero-panel{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.16);
  border-radius:20px;padding:22px;
}
.hero-panel img{border-radius:14px;aspect-ratio:16/10;object-fit:cover;width:100%;margin-bottom:18px;}
.hero-panel-row{display:flex;align-items:center;justify-content:space-between;padding:12px 0;border-bottom:1px dashed rgba(255,255,255,.16);}
.hero-panel-row:last-child{border-bottom:0;}
.hero-panel-row span{font-size:14px;color:rgba(255,255,255,.7);}
.hero-panel-row strong{font-size:15px;color:#fff;font-weight:700;}
.hero-panel-row strong.lime{color:var(--lime);}

/* 信任徽章 */
.trust-strip{background:#fff;border-bottom:1px solid var(--border);}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:34px 0;}
.trust-item{display:flex;gap:14px;align-items:flex-start;}
.trust-icon{
  width:44px;height:44px;border-radius:12px;flex:none;
  background:rgba(108,77,255,.1);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:17px;
}
.trust-item h3{font-size:15px;margin-bottom:2px;}
.trust-item p{font-size:13px;color:var(--muted);margin:0;line-height:1.6;}

/* 优惠阶梯 */
.ladder{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;align-items:end;}
.ladder-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow);position:relative;
  transition:all var(--ease);
}
.ladder-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);}
.ladder-card .lvl{
  font-size:12px;font-weight:800;letter-spacing:.14em;color:var(--brand);
  text-transform:uppercase;margin-bottom:10px;
}
.ladder-card h3{font-size:20px;margin-bottom:8px;}
.ladder-card .desc{font-size:14px;color:var(--muted);margin-bottom:16px;}
.ladder-card ul{list-style:none;padding:0;margin:0 0 22px;}
.ladder-card ul li{font-size:14px;color:var(--muted);display:flex;gap:8px;padding:7px 0;border-bottom:1px dashed var(--border);}
.ladder-card ul li:last-child{border-bottom:0;}
.ladder-card ul li i{color:var(--brand);font-size:12px;margin-top:8px;}
.ladder-card .cond{
  display:inline-block;font-size:12px;font-weight:700;color:var(--muted);
  background:#F1EFE9;border-radius:var(--radius-pill);padding:4px 12px;margin-bottom:18px;
}
.ladder-card .btn-x{width:100%;}
.ladder-card.tall{padding-top:46px;padding-bottom:34px;}
.ladder-card.featured{
  border-color:var(--lime);border-width:2px;
  box-shadow:0 14px 36px rgba(108,77,255,.16);
  background:linear-gradient(180deg,#FFFFFF 0%,#FCFDF2 100%);
}
.ladder-card.featured .lvl{color:#7A8F00;}
.badge-now{
  position:absolute;top:-13px;left:24px;background:var(--lime);color:#1A1C10;
  font-size:12px;font-weight:800;padding:5px 14px;border-radius:var(--radius-pill);
}

/* 套餐对比 */
.plan-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;padding-bottom:6px;}
.plan-table{width:100%;min-width:840px;border-collapse:separate;border-spacing:0;}
.plan-table th,.plan-table td{padding:18px 20px;text-align:left;border-bottom:1px solid var(--border);font-size:15px;}
.plan-table thead th{background:#fff;border-bottom:2px solid var(--border);vertical-align:bottom;}
.plan-table tbody td{background:#fff;color:var(--muted);}
.plan-table tbody td:first-child{font-weight:700;color:var(--ink);}
.plan-col-head{display:flex;flex-direction:column;gap:4px;}
.plan-col-head .name{font-size:17px;font-weight:800;color:var(--ink);}
.plan-col-head .price{font-size:13px;color:var(--muted);}
.plan-table th.recommend{background:linear-gradient(180deg,#FCFDF2,#FFFFFF);border-top:3px solid var(--lime);}
.tag-rec{
  display:inline-block;font-size:11px;font-weight:800;color:#1A1C10;
  background:var(--lime);border-radius:var(--radius-pill);padding:3px 10px;margin-left:8px;
}
.plan-table .yes{color:var(--brand);font-weight:700;}
.plan-table .no{color:#B6B1A8;}

/* 限时入口 */
.limited{
  background:linear-gradient(120deg,#FF6A3D 0%,#FF8A5F 52%,#FFB199 100%);
  border-radius:24px;padding:44px;color:#fff;position:relative;overflow:hidden;
}
.limited::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;
  border-radius:50%;background:rgba(255,255,255,.14);
}
.limited-inner{display:flex;flex-wrap:wrap;gap:32px;align-items:center;justify-content:space-between;position:relative;z-index:2;}
.limited h2{color:#fff;font-size:clamp(22px,3vw,32px);margin-bottom:10px;}
.limited p{color:rgba(255,255,255,.9);margin:0;max-width:520px;font-size:15px;}
.countdown{display:flex;gap:12px;}
.cd-cell{
  background:rgba(17,18,23,.34);border:1px solid rgba(255,255,255,.28);
  border-radius:14px;padding:12px 16px;min-width:78px;text-align:center;
}
.cd-cell b{display:block;font-size:26px;font-weight:800;line-height:1.1;font-variant-numeric:tabular-nums;}
.cd-cell span{font-size:12px;color:rgba(255,255,255,.78);}

/* 内容卡片/资讯 */
.card-x{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;height:100%;box-shadow:var(--shadow);
  display:flex;flex-direction:column;transition:all var(--ease);
}
.card-x:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--lime);}
.card-x .thumb{aspect-ratio:16/9;overflow:hidden;background:#EFEDE7;}
.card-x .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.card-x:hover .thumb img{transform:scale(1.04);}
.card-x .body{padding:22px;display:flex;flex-direction:column;flex:1;}
.tag-x{
  display:inline-block;font-size:12px;font-weight:700;color:var(--brand);
  background:rgba(108,77,255,.1);border-radius:var(--radius-pill);
  padding:4px 12px;margin-bottom:12px;align-self:flex-start;
}
.card-x h3{font-size:17px;line-height:1.5;margin-bottom:10px;}
.card-x h3 a:hover{color:var(--brand);}
.card-x p{font-size:14px;color:var(--muted);flex:1;margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.meta-row{
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--muted);border-top:1px solid var(--border);padding-top:14px;
}
.meta-row i{margin-right:6px;color:#B6B1A8;}
.empty-state{
  background:#fff;border:1px dashed var(--border);border-radius:var(--radius);
  padding:56px 24px;text-align:center;
}
.empty-state i{font-size:34px;color:var(--border);margin-bottom:14px;display:block;}
.empty-state p{color:var(--muted);margin-bottom:16px;}

/* 表单 */
.form-section{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.form-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:32px;box-shadow:var(--shadow);
}
.form-label-x{font-size:14px;font-weight:700;color:var(--ink);margin-bottom:8px;display:block;}
.form-control-x{
  width:100%;height:48px;border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:0 16px;font-size:15px;background:#FDFDFB;color:var(--ink);
  transition:all var(--ease);
}
textarea.form-control-x{height:118px;padding:14px 16px;resize:vertical;line-height:1.7;}
.form-control-x:focus{
  outline:none;border-color:var(--lime);background:#fff;
  box-shadow:0 0 0 3px rgba(199,240,0,.28);
}
.form-control-x.error{border-color:var(--coral);box-shadow:0 0 0 3px rgba(255,106,61,.16);}
.form-check-x{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--muted);}
.form-check-x input{margin-top:5px;width:16px;height:16px;accent-color:var(--brand);}
.form-tip{font-size:13px;margin-top:14px;min-height:20px;}
.form-tip.ok{color:#7A8F00;}
.form-tip.bad{color:var(--coral);}
.info-list{list-style:none;padding:0;margin:0;}
.info-list li{display:flex;gap:12px;padding:12px 0;font-size:15px;color:var(--muted);border-bottom:1px dashed var(--border);}
.info-list li:last-child{border-bottom:0;}
.info-list li i{color:var(--brand);margin-top:8px;font-size:13px;}

/* FAQ */
.acc .accordion-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  margin-bottom:14px;overflow:hidden;
}
.acc .accordion-button{
  background:#fff;font-size:16px;font-weight:700;color:var(--ink);
  padding:20px 22px;box-shadow:none;border:0;position:relative;
}
.acc .accordion-button:not(.collapsed){
  color:var(--ink);background:#FCFDF2;box-shadow:inset 4px 0 0 var(--lime);
}
.acc .accordion-button:focus{box-shadow:none;}
.acc .accordion-button::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  background-image:none;width:auto;height:auto;font-size:14px;color:var(--brand);
  transition:transform var(--ease);
}
.acc .accordion-button:not(.collapsed)::after{transform:rotate(180deg);color:#7A8F00;}
.acc .accordion-body{padding:4px 22px 22px;color:var(--muted);font-size:15px;}

/* CTA 条 */
.cta-band{
  background:var(--dark);border-radius:24px;padding:48px;
  display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;left:-60px;bottom:-120px;width:300px;height:300px;
  background:radial-gradient(circle,rgba(108,77,255,.42),transparent 65%);
}
.cta-band h2{color:#fff;font-size:clamp(22px,3vw,30px);margin-bottom:8px;position:relative;z-index:2;}
.cta-band p{color:rgba(255,255,255,.7);margin:0;position:relative;z-index:2;font-size:15px;}
.cta-band .cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2;}

/* 页脚 */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:96px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.footer-brand .brand-mark{box-shadow:none;}
.footer-brand .brand-text{color:#fff;font-size:19px;}
.footer-brand .brand-text small{color:rgba(255,255,255,.5);}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px;letter-spacing:.02em;}
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col ul li{margin-bottom:11px;font-size:14px;}
.footer-col ul li a{color:rgba(255,255,255,.66);}
.footer-col ul li a:hover{color:var(--lime);}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.66);margin-bottom:12px;}
.footer-contact li i{color:var(--lime);margin-top:6px;font-size:13px;}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:14px;
  align-items:center;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.6);}
.footer-bottom a:hover{color:var(--lime);}
.to-top{
  position:fixed;right:22px;bottom:22px;width:48px;height:48px;border-radius:14px;
  background:var(--brand);color:#fff;border:0;font-size:16px;cursor:pointer;
  box-shadow:0 10px 24px rgba(108,77,255,.34);
  opacity:0;pointer-events:none;transition:all var(--ease);z-index:1040;
}
.to-top.show{opacity:1;pointer-events:auto;}
.to-top:hover{background:var(--brand-deep);transform:translateY(-2px);}

/* 响应式 */
@media (max-width:1199.98px){
  .ladder{grid-template-columns:repeat(2,1fr);}
  .ladder-card.tall{padding-top:26px;padding-bottom:26px;}
}
@media (max-width:991.98px){
  .nav-links,.nav-cta{display:none;}
  .nav-toggle{display:flex;align-items:center;justify-content:center;}
  .hero-inner{padding:64px 0 68px;}
  .hero-panel{margin-top:36px;}
  .trust-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
  .section{padding:72px 0;}
  .limited{padding:32px;}
  .cta-band{padding:34px;}
}
@media (max-width:575.98px){
  .container-x{padding:0 18px;}
  .section{padding:56px 0;}
  .section-tight{padding:48px 0;}
  .ladder{grid-template-columns:1fr;}
  .trust-grid{grid-template-columns:1fr;gap:16px;padding:26px 0;}
  .hero-inner{padding:52px 0 56px;}
  .hero-actions .btn-x{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .form-card{padding:22px;}
  .countdown{gap:8px;}
  .cd-cell{min-width:64px;padding:10px 12px;}
  .cd-cell b{font-size:21px;}
  .limited-inner{gap:22px;}
  .card-x .body{padding:18px;}
}

/* roulang page: article */
:root{
  --primary:#6C4DFF;
  --primary-dark:#5638e0;
  --lime:#C7F000;
  --coral:#FF6A3D;
  --bg:#F7F6F2;
  --dark:#111217;
  --card:#FFFFFF;
  --border:#E6E3DA;
  --ink:#121212;
  --muted:#5F5B55;
  --radius-card:16px;
  --radius-btn:12px;
  --radius-pill:999px;
  --shadow-1:0 4px 20px rgba(0,0,0,.06);
  --shadow-2:0 10px 30px rgba(17,18,23,.12);
  --ease:all .2s ease;
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"Inter","DIN Alternate",var(--font-cn);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover}
a{color:var(--primary);text-decoration:none;transition:var(--ease)}
a:hover{color:var(--primary-dark)}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:-.02em;font-weight:700}
p{margin:0 0 14px}
ul{margin:0;padding:0;list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
button{cursor:pointer}
:focus-visible{outline:3px solid var(--lime);outline-offset:2px}
.container-x{width:100%;max-width:1280px;margin:0 auto;padding:0 24px}

/* ============ 按钮 ============ */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--radius-btn);
  font-weight:700;font-size:15px;border:1px solid transparent;
  transition:var(--ease);white-space:nowrap;
}
.btn-primary-x{background:var(--primary);color:#fff;box-shadow:0 6px 18px rgba(108,77,255,.28)}
.btn-primary-x:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(108,77,255,.34)}
.btn-lime-x{background:var(--lime);color:var(--dark)}
.btn-lime-x:hover{background:#b6dd00;color:var(--dark);transform:translateY(-2px)}
.btn-coral-x{background:var(--coral);color:#fff;box-shadow:0 6px 18px rgba(255,106,61,.28)}
.btn-coral-x:hover{background:#e85a2e;color:#fff;transform:translateY(-2px)}
.btn-ghost-x{background:#fff;color:var(--ink);border-color:var(--border)}
.btn-ghost-x:hover{background:#fff;color:var(--primary);border-color:var(--primary);transform:translateY(-2px)}
.btn-sm-x{height:40px;padding:0 18px;font-size:14px;border-radius:10px}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(247,246,242,.94);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--border);
  transition:var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 22px rgba(17,18,23,.08)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:76px;gap:18px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  background:linear-gradient(135deg,var(--primary),#8f79ff);
  color:#fff;font-weight:800;font-size:20px;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);
}
.brand-text{font-size:19px;font-weight:800;color:var(--ink);letter-spacing:-.02em;line-height:1.1}
.brand-text small{display:block;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:0}
.nav-links{display:flex;align-items:center;gap:6px;flex-wrap:nowrap}
.nav-links a{
  position:relative;padding:10px 14px;border-radius:10px;
  font-size:15px;font-weight:600;color:#3b3934;
}
.nav-links a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:5px;height:3px;border-radius:3px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-links a:hover{color:var(--primary);background:rgba(108,77,255,.06)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--primary)}
.nav-links a.active::after{transform:scaleX(1)}
.nav-cta{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:46px;height:46px;border-radius:12px;border:1px solid var(--border);
  background:#fff;color:var(--ink);align-items:center;justify-content:center;font-size:18px;
}

/* ============ 面包屑 ============ */
.crumb-bar{background:#fff;border-bottom:1px solid var(--border)}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 0;font-size:13px;color:var(--muted)}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--primary)}
.crumb i{font-size:10px;opacity:.6}
.crumb .current{color:var(--ink);font-weight:700}

/* ============ 文章头部 ============ */
.article-hero{background:#fff;padding:38px 0 34px;border-bottom:1px solid var(--border)}
.article-hero .kicker{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:var(--radius-pill);
  background:rgba(108,77,255,.09);color:var(--primary);font-size:13px;font-weight:700;margin-bottom:16px;
}
.article-hero h1{font-size:clamp(26px,3.4vw,40px);font-weight:800;max-width:960px}
.article-meta{display:flex;flex-wrap:wrap;gap:18px;margin-top:18px;font-size:13.5px;color:var(--muted)}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:var(--primary)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:var(--radius-pill);
  background:var(--bg);border:1px solid var(--border);font-size:12.5px;color:var(--muted);font-weight:600;
}
.tag:hover{border-color:var(--lime);color:var(--ink)}

/* ============ 布局 ============ */
.layout{display:grid;grid-template-columns:minmax(0,1fr) 336px;gap:36px;padding:44px 0 72px;align-items:start}
.panel{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);box-shadow:var(--shadow-1)}
.article-panel{padding:34px 38px}

/* ============ 正文排版 ============ */
.article-body{max-width:860px;font-size:17px;line-height:1.95;color:#1d1d1f}
.article-body h2{
  position:relative;font-size:26px;font-weight:700;margin:38px 0 16px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:5px;border-radius:4px;background:var(--lime);
}
.article-body h3{font-size:20px;font-weight:700;margin:28px 0 12px;color:#16181f}
.article-body h4{font-size:17px;font-weight:700;margin:22px 0 10px}
.article-body p{margin:0 0 16px}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px}
.article-body ul li{list-style:none;position:relative;padding-left:18px;margin-bottom:9px}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--primary);
}
.article-body ol{list-style:decimal}
.article-body ol li{margin-bottom:9px}
.article-body img{border-radius:14px;margin:20px 0;border:1px solid var(--border)}
.article-body a{font-weight:600;border-bottom:1px dashed rgba(108,77,255,.5)}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;border-left:4px solid var(--primary);
  background:rgba(108,77,255,.05);border-radius:0 12px 12px 0;color:#34303c;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;background:#fff}
.article-body th,.article-body td{border:1px solid var(--border);padding:11px 14px;text-align:left}
.article-body th{background:var(--bg);font-weight:700}
.article-body code{
  background:#f2f0ea;padding:2px 7px;border-radius:6px;
  font-family:var(--font-num);font-size:14px;color:#4a3fd0;
}
.article-body pre{
  background:var(--dark);color:#e9e7ff;padding:18px 20px;border-radius:14px;
  overflow:auto;margin:22px 0;font-size:14px;line-height:1.7;
}
.article-body pre code{background:none;color:inherit;padding:0}
.article-body hr{border:0;border-top:1px solid var(--border);margin:30px 0}

/* ============ 空态 ============ */
.empty-state{
  text-align:center;padding:56px 24px;border:1px dashed var(--border);border-radius:var(--radius-card);background:var(--bg);
}
.empty-state i{font-size:38px;color:var(--primary);margin-bottom:14px;display:block}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{color:var(--muted);max-width:520px;margin:0 auto 20px}

/* ============ 侧栏 ============ */
.side-stack{display:flex;flex-direction:column;gap:22px;position:sticky;top:100px}
.side-card{padding:22px 22px 24px}
.side-card h3{font-size:17px;margin-bottom:16px;display:flex;align-items:center;gap:9px}
.side-card h3 i{color:var(--primary);font-size:15px}
.side-list li+li{margin-top:10px}
.side-list a{
  display:flex;align-items:center;gap:10px;padding:11px 13px;border-radius:11px;
  background:var(--bg);color:#33312d;font-size:14.5px;font-weight:600;border:1px solid transparent;
}
.side-list a:hover{background:#fff;border-color:var(--lime);color:var(--primary);transform:translateX(3px)}
.side-list a i{color:var(--primary);font-size:13px}
.side-cta{
  background:linear-gradient(150deg,#1b1b25,var(--dark));color:#fff;border-color:transparent;
  padding:26px 22px;
}
.side-cta h3{color:#fff;font-size:18px;margin-bottom:10px}
.side-cta p{color:rgba(255,255,255,.72);font-size:14px;line-height:1.75}
.side-cta .btn-x{width:100%;margin-top:8px}
.side-cta .tiny{font-size:12px;color:rgba(255,255,255,.5);text-align:center;margin:10px 0 0}
.side-thumb{border-radius:12px;overflow:hidden;border:1px solid var(--border)}
.side-thumb img{width:100%;height:150px}

/* ============ 相关入口 ============ */
.related{padding:0 0 78px}
.section-head{margin-bottom:26px}
.section-head .eyebrow{
  display:inline-block;font-size:13px;font-weight:700;color:var(--primary);
  letter-spacing:.08em;text-transform:uppercase;margin-bottom:8px;
}
.section-head h2{font-size:clamp(22px,2.6vw,30px)}
.section-head p{color:var(--muted);margin-top:10px;max-width:720px;font-size:15px}
.card-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.entry-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);transition:var(--ease);display:flex;flex-direction:column;
}
.entry-card:hover{transform:translateY(-4px);border-color:var(--lime);box-shadow:var(--shadow-2)}
.entry-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#ecebe6}
.entry-card .thumb img{width:100%;height:100%;transition:transform .3s ease}
.entry-card:hover .thumb img{transform:scale(1.04)}
.entry-card .body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:9px;flex:1}
.entry-card h3{font-size:16.5px;line-height:1.45}
.entry-card p{font-size:13.8px;color:var(--muted);line-height:1.7;margin:0;flex:1}
.entry-card .meta{display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--muted)}
.entry-card .meta .badge-x{
  background:rgba(199,240,0,.24);color:#3f4a00;font-weight:700;
  padding:3px 10px;border-radius:var(--radius-pill);
}
.entry-card .go{font-size:13.5px;font-weight:700;color:var(--primary);display:inline-flex;align-items:center;gap:6px}

/* ============ CTA 条 ============ */
.cta-band{padding:0 0 80px}
.cta-box{
  background:linear-gradient(135deg,var(--primary) 0%,#3f2bc9 62%,var(--dark) 100%);
  border-radius:22px;padding:46px 44px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-box::after{
  content:"";position:absolute;right:-70px;top:-70px;width:250px;height:250px;border-radius:50%;
  background:rgba(199,240,0,.18);
}
.cta-box h2{font-size:clamp(22px,2.6vw,30px);position:relative}
.cta-box p{color:rgba(255,255,255,.82);margin:10px 0 0;max-width:620px;font-size:15px;position:relative}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:#fff;padding:60px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:34px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:linear-gradient(135deg,var(--lime),#8fd400);color:var(--dark)}
.footer-brand .brand-text{color:#fff}
.footer-brand .brand-text small{color:rgba(255,255,255,.5)}
.footer-col p{color:rgba(255,255,255,.66);font-size:14px;line-height:1.85}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px}
.footer-col ul li+li{margin-top:10px}
.footer-col ul a{color:rgba(255,255,255,.68);font-size:14px}
.footer-col ul a:hover{color:var(--lime)}
.footer-contact li{color:rgba(255,255,255,.68);font-size:14px;display:flex;gap:9px;align-items:flex-start}
.footer-contact i{color:var(--lime);margin-top:5px}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.58);
}
.footer-bottom a{color:rgba(255,255,255,.78)}
.footer-bottom a:hover{color:var(--lime)}
.to-top{
  width:42px;height:42px;border-radius:12px;background:rgba(255,255,255,.1);color:#fff;
  border:1px solid rgba(255,255,255,.16);display:flex;align-items:center;justify-content:center;
}
.to-top:hover{background:var(--lime);color:var(--dark);border-color:var(--lime)}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .layout{grid-template-columns:minmax(0,1fr)}
  .side-stack{position:static}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:991.98px){
  .nav-links{
    display:none;position:absolute;left:16px;right:16px;top:78px;
    flex-direction:column;align-items:stretch;gap:4px;padding:14px;
    background:#fff;border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow-2);
  }
  .nav-links.is-open{display:flex}
  .nav-links a{padding:13px 14px;font-size:15.5px}
  .nav-links a::after{left:14px;right:auto;width:26px;bottom:8px}
  .nav-toggle{display:flex}
  .nav-cta .btn-x{display:none}
  .article-panel{padding:26px 22px}
  .article-body{font-size:16px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
  .cta-box{padding:34px 26px}
}
@media (max-width:575.98px){
  .container-x{padding:0 18px}
  .header-inner{height:68px}
  .brand-text{font-size:17px}
  .card-grid{grid-template-columns:1fr}
  .article-hero{padding:26px 0 24px}
  .article-body h2{font-size:22px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .article-meta{gap:12px}
}

/* roulang page: category1 */
:root{
  --purple:#6C4DFF;
  --purple-deep:#5438E8;
  --lime:#C7F000;
  --coral:#FF6A3D;
  --bg:#F7F6F2;
  --dark:#111217;
  --card:#FFFFFF;
  --line:#E6E3DA;
  --ink:#121212;
  --muted:#5F5B55;
  --radius:16px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow-sm:0 4px 20px rgba(0,0,0,.06);
  --shadow-md:0 10px 30px rgba(17,18,23,.10);
  --ease:200ms ease;
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  --font-num:"Inter","DIN Alternate","PingFang SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--ease),opacity var(--ease);}
a:hover{color:var(--purple);}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;font-weight:800;line-height:1.3;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid var(--lime);outline-offset:2px;border-radius:6px;}

.container-x{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding:0 24px;
}
.section{padding:96px 0;}
.section-sm{padding:64px 0;}
.section-dark{background:var(--dark);color:#fff;}
.section-dark .section-sub{color:#B9B6AE;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--purple);text-transform:uppercase;
  background:rgba(108,77,255,.08);
  border:1px solid rgba(108,77,255,.18);
  border-radius:var(--radius-pill);
  padding:6px 14px;
  margin-bottom:18px;
}
.section-title{font-size:clamp(24px,3vw,36px);font-weight:800;}
.section-sub{color:var(--muted);font-size:16px;margin-top:14px;max-width:760px;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(247,246,242,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease),background var(--ease);
}
.site-header.scrolled{box-shadow:0 6px 24px rgba(17,18,23,.08);}
.header-inner{
  display:flex;align-items:center;gap:24px;
  min-height:76px;
}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:42px;height:42px;border-radius:12px;
  background:linear-gradient(135deg,var(--purple),#8F7BFF);
  color:#fff;font-weight:800;font-size:22px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(108,77,255,.32);
  font-family:var(--font-num);
}
.brand-text{font-size:19px;font-weight:800;line-height:1.2;display:flex;flex-direction:column;letter-spacing:-.01em;}
.brand-text small{font-size:11px;font-weight:600;color:var(--muted);letter-spacing:.06em;margin-top:3px;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-links a{
  position:relative;
  padding:10px 14px;
  font-size:15px;font-weight:600;
  color:var(--muted);
  border-radius:10px;
  white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--lime);border-radius:2px;
  transform:scaleX(0);transform-origin:left;
  transition:transform var(--ease);
}
.nav-links a:hover{color:var(--ink);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--ink);}
.nav-links a.active::after{transform:scaleX(1);}
.header-cta{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.menu-toggle{
  display:none;
  width:46px;height:46px;border-radius:12px;
  border:1px solid var(--line);background:#fff;
  color:var(--ink);font-size:18px;
  align-items:center;justify-content:center;
  transition:var(--ease);
}
.menu-toggle:hover{border-color:var(--lime);}

/* ---------- Buttons ---------- */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;
  border-radius:var(--radius-sm);
  font-size:15px;font-weight:700;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform var(--ease),background var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.btn-x:hover{transform:translateY(-2px);}
.btn-primary-x{background:var(--purple);color:#fff;box-shadow:0 8px 20px rgba(108,77,255,.28);}
.btn-primary-x:hover{background:var(--coral);color:#fff;box-shadow:0 10px 24px rgba(255,106,61,.30);}
.btn-ghost-x{background:#fff;color:var(--ink);border-color:var(--line);}
.btn-ghost-x:hover{border-color:var(--ink);color:var(--ink);}
.btn-lime-x{background:var(--lime);color:#16210A;box-shadow:0 8px 20px rgba(199,240,0,.35);}
.btn-lime-x:hover{background:#D8FF33;color:#16210A;}
.btn-coral-x{background:var(--coral);color:#fff;box-shadow:0 8px 20px rgba(255,106,61,.28);}
.btn-coral-x:hover{background:#F0521F;color:#fff;}
.btn-sm-x{height:42px;padding:0 18px;font-size:14px;border-radius:10px;}

/* ---------- Hero ---------- */
.hero-cat{
  position:relative;
  background:linear-gradient(105deg,rgba(17,18,23,.94) 0%,rgba(17,18,23,.78) 52%,rgba(17,18,23,.52) 100%),
             url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color:#fff;
  padding:88px 0 96px;
  overflow:hidden;
}
.hero-cat::after{
  content:"";position:absolute;inset:auto -60px -120px auto;
  width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(108,77,255,.45),transparent 68%);
  pointer-events:none;
}
.hero-grid{
  display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;
  position:relative;z-index:2;
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:#A9A6A0;margin-bottom:22px;}
.crumbs a{color:#A9A6A0;}
.crumbs a:hover{color:var(--lime);}
.crumbs .sep{opacity:.5;}
.crumbs .current{color:#fff;font-weight:700;}
.hero-cat h1{
  font-size:clamp(30px,4.4vw,54px);
  line-height:1.18;
  letter-spacing:-.02em;
}
.hero-cat h1 .hl{
  color:var(--lime);
  display:inline-block;
}
.hero-lead{
  margin-top:22px;
  font-size:17px;
  line-height:1.9;
  color:#D6D3CC;
  max-width:620px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.tag-chip{
  font-size:13px;font-weight:600;
  padding:7px 14px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.09);
  border:1px solid rgba(255,255,255,.18);
  color:#EDEBE6;
}
.hero-visual{
  position:relative;
  border-radius:20px;
  overflow:hidden;
  border:1px solid rgba(255,255,255,.14);
  box-shadow:0 24px 60px rgba(0,0,0,.4);
  aspect-ratio:4/3;
}
.hero-visual img{width:100%;height:100%;object-fit:cover;}
.hero-badge{
  position:absolute;left:18px;bottom:18px;
  background:rgba(17,18,23,.86);
  border:1px solid rgba(199,240,0,.45);
  border-radius:14px;
  padding:12px 16px;
  font-size:13px;font-weight:700;color:#fff;
  display:flex;align-items:center;gap:10px;
}
.hero-badge i{color:var(--lime);}

/* ---------- Badges strip ---------- */
.trust-strip{
  background:#fff;
  border-bottom:1px solid var(--line);
  padding:26px 0;
}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.trust-item{display:flex;gap:14px;align-items:flex-start;}
.trust-icon{
  width:44px;height:44px;flex-shrink:0;border-radius:12px;
  background:rgba(108,77,255,.09);
  color:var(--purple);
  display:flex;align-items:center;justify-content:center;font-size:18px;
}
.trust-item h4{font-size:15px;font-weight:800;margin-bottom:2px;}
.trust-item p{font-size:13px;color:var(--muted);line-height:1.6;}

/* ---------- Two column ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.split-media{border-radius:20px;overflow:hidden;box-shadow:var(--shadow-md);border:1px solid var(--line);aspect-ratio:16/11;}
.split-media img{width:100%;height:100%;object-fit:cover;}
.point-list{margin-top:26px;display:flex;flex-direction:column;gap:14px;}
.point-item{display:flex;gap:14px;align-items:flex-start;}
.point-dot{
  width:26px;height:26px;flex-shrink:0;border-radius:8px;
  background:var(--lime);color:#16210A;
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;font-family:var(--font-num);
  margin-top:4px;
}
.point-item p{font-size:15px;color:var(--muted);}
.point-item strong{color:var(--ink);}

/* ---------- Ladder ---------- */
.ladder{display:flex;flex-direction:column;gap:16px;}
.ladder-item{
  position:relative;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px 24px 22px 28px;
  box-shadow:var(--shadow-sm);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.ladder-item:hover{transform:translateY(-3px);border-color:var(--lime);box-shadow:var(--shadow-md);}
.ladder-item:nth-child(1){margin-left:0;}
.ladder-item:nth-child(2){margin-left:26px;}
.ladder-item:nth-child(3){margin-left:52px;}
.ladder-item:nth-child(4){margin-left:78px;}
.ladder-item::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:4px;
  border-radius:0 4px 4px 0;background:var(--line);
}
.ladder-item.is-current{
  border-color:rgba(199,240,0,.9);
  background:linear-gradient(90deg,rgba(199,240,0,.16),#fff 46%);
}
.ladder-item.is-current::before{background:var(--lime);}
.ladder-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.ladder-step{
  font-family:var(--font-num);font-size:13px;font-weight:800;
  color:var(--purple);background:rgba(108,77,255,.10);
  padding:4px 10px;border-radius:var(--radius-pill);
}
.ladder-head h3{font-size:18px;font-weight:800;}
.ladder-item p{font-size:14px;color:var(--muted);margin-top:8px;}
.ladder-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px;}
.meta-pill{
  font-size:12px;font-weight:700;
  padding:5px 12px;border-radius:var(--radius-pill);
  background:#F3F1EB;border:1px solid var(--line);color:var(--muted);
}
.meta-pill.lime{background:rgba(199,240,0,.22);border-color:rgba(199,240,0,.55);color:#3C4A00;}

/* ---------- Steps list ---------- */
.steps-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:44px;}
.step-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow-sm);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.step-card:hover{transform:translateY(-3px);border-color:var(--lime);box-shadow:var(--shadow-md);}
.step-num{
  font-family:var(--font-num);font-size:26px;font-weight:800;
  color:var(--purple);line-height:1;
}
.step-card h3{font-size:18px;margin-top:14px;}
.step-card p{font-size:14px;color:var(--muted);margin-top:10px;}
.step-card ul{margin-top:14px;display:flex;flex-direction:column;gap:8px;}
.step-card ul li{position:relative;padding-left:18px;font-size:14px;color:var(--muted);}
.step-card ul li::before{
  content:"";position:absolute;left:0;top:10px;
  width:7px;height:7px;border-radius:50%;background:var(--lime);
}

/* ---------- Category cross links ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:44px;}
.cat-card{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-sm);height:100%;
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.cat-card:hover{transform:translateY(-4px);border-color:var(--lime);box-shadow:var(--shadow-md);}
.cat-thumb{aspect-ratio:16/9;overflow:hidden;background:#EFEDE7;}
.cat-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease;}
.cat-card:hover .cat-thumb img{transform:scale(1.05);}
.cat-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.cat-body h3{font-size:17px;}
.cat-body p{font-size:13.5px;color:var(--muted);line-height:1.75;flex:1;}
.cat-link{font-size:14px;font-weight:700;color:var(--purple);display:inline-flex;align-items:center;gap:6px;}
.cat-card:hover .cat-link{color:var(--coral);}
.cat-card.is-now{border-color:var(--purple);}
.cat-flag{
  align-self:flex-start;
  font-size:12px;font-weight:700;color:#16210A;
  background:var(--lime);border-radius:var(--radius-pill);
  padding:3px 10px;
}

/* ---------- Consult form ---------- */
.consult-wrap{
  display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start;
}
.consult-info h2{font-size:clamp(24px,3vw,34px);}
.consult-info p{color:var(--muted);margin-top:16px;font-size:15.5px;}
.consult-list{margin-top:26px;display:flex;flex-direction:column;gap:12px;}
.consult-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--muted);}
.consult-list i{color:var(--purple);margin-top:6px;}
.form-card{
  background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:30px;box-shadow:var(--shadow-sm);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.5px;font-weight:700;margin-bottom:7px;}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--radius-sm);
  background:#FCFBF8;color:var(--ink);
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
  font-size:14.5px;
}
.field textarea{height:auto;min-height:112px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--lime);background:#fff;
  box-shadow:0 0 0 3px rgba(199,240,0,.35);
}
.check-line{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--muted);margin:6px 0 18px;}
.check-line input{width:18px;height:18px;margin-top:3px;accent-color:var(--purple);flex-shrink:0;}
.form-note{font-size:12.5px;color:var(--muted);margin-top:14px;}
.form-alert{
  display:none;margin-top:16px;border-radius:var(--radius-sm);
  padding:12px 16px;font-size:14px;font-weight:600;
}
.form-alert.ok{display:block;background:rgba(199,240,0,.22);border:1px solid rgba(199,240,0,.6);color:#3C4A00;}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--dark);color:#fff;border-radius:24px;
  padding:52px;display:flex;flex-wrap:wrap;align-items:center;gap:28px;justify-content:space-between;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-90px;top:-90px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(199,240,0,.22),transparent 70%);
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);position:relative;z-index:2;}
.cta-band p{color:#B9B6AE;margin-top:12px;max-width:640px;position:relative;z-index:2;font-size:15px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:2;}

/* ---------- Footer ---------- */
.site-footer{background:var(--dark);color:#E7E5DF;padding:72px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.footer-brand .brand-mark{
  width:40px;height:40px;border-radius:12px;font-size:20px;
  background:linear-gradient(135deg,var(--purple),#8F7BFF);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-family:var(--font-num);
}
.footer-brand .brand-text{font-size:17px;font-weight:800;color:#fff;display:flex;flex-direction:column;line-height:1.25;}
.footer-brand .brand-text small{font-size:11px;font-weight:600;color:#9C9890;letter-spacing:.06em;margin-top:3px;}
.footer-col p{font-size:14px;color:#A9A6A0;line-height:1.85;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:18px;font-weight:800;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col ul a{font-size:14px;color:#A9A6A0;}
.footer-col ul a:hover{color:var(--lime);}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:#A9A6A0;line-height:1.7;}
.footer-contact i{color:var(--lime);margin-top:6px;}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;
  font-size:13px;color:#8E8B84;
}
.footer-bottom a{color:#8E8B84;}
.footer-bottom a:hover{color:var(--lime);}

/* ---------- Back to top ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:1040;
  width:48px;height:48px;border-radius:14px;
  background:var(--purple);color:#fff;border:none;
  display:flex;align-items:center;justify-content:center;font-size:17px;
  box-shadow:0 10px 24px rgba(108,77,255,.35);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:var(--ease);
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--coral);}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .cat-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1.3fr 1fr 1fr;gap:32px;}
  .footer-col:last-child{grid-column:1 / -1;}
}
@media (max-width:991px){
  .section{padding:72px 0;}
  .hero-cat{padding:64px 0 72px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .split{grid-template-columns:1fr;gap:34px;}
  .trust-grid{grid-template-columns:repeat(2,1fr);}
  .consult-wrap{grid-template-columns:1fr;gap:32px;}
  .cta-band{padding:36px;}
  .menu-toggle{display:flex;}
  .nav-links{
    position:absolute;top:100%;left:0;right:0;
    display:none;flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;padding:16px 24px 22px;
    border-bottom:1px solid var(--line);
    box-shadow:0 18px 32px rgba(17,18,23,.10);
    margin-left:0;
  }
  .site-header.nav-open .nav-links{display:flex;}
  .nav-links a{padding:13px 12px;font-size:16px;border-radius:10px;}
  .nav-links a::after{display:none;}
  .nav-links a.active{background:rgba(199,240,0,.28);color:var(--ink);}
  .nav-links a:hover{background:#F5F3EE;}
  .header-cta .btn-x{display:none;}
  .ladder-item:nth-child(n){margin-left:0;}
}
@media (max-width:767px){
  .section{padding:56px 0;}
  .container-x{padding:0 18px;}
  .brand-text{font-size:16px;}
  .brand-text small{display:none;}
  .hero-cat h1{font-size:clamp(26px,7vw,34px);}
  .hero-lead{font-size:15.5px;}
  .hero-actions .btn-x{width:100%;}
  .steps-grid{grid-template-columns:1fr;}
  .cat-grid{grid-template-columns:1fr;}
  .trust-grid{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .cta-band{padding:28px;border-radius:18px;}
  .cta-band .btn-x{width:100%;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category3 */
:root{
  --primary:#6C4DFF;
  --primary-dark:#5839E8;
  --primary-soft:rgba(108,77,255,.08);
  --lime:#C7F000;
  --coral:#FF6A3D;
  --bg:#F7F6F2;
  --dark:#111217;
  --dark-2:#1B1D24;
  --card:#FFFFFF;
  --border:#E6E3DA;
  --ink:#121212;
  --muted:#5F5B55;
  --radius:16px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow:0 4px 20px rgba(0,0,0,.06);
  --shadow-hover:0 12px 32px rgba(17,18,23,.12);
  --container:1260px;
  --t:200ms ease;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Inter,sans-serif;
  font-size:16px;line-height:1.8;color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--t);}
a:hover{color:var(--primary);}
button,input,textarea,select{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{letter-spacing:-.02em;color:var(--ink);margin:0;font-weight:800;}
h1{font-size:clamp(30px,4.4vw,54px);line-height:1.2;}
h2{font-size:clamp(24px,2.8vw,36px);line-height:1.28;font-weight:700;}
h3{font-size:clamp(18px,1.6vw,22px);line-height:1.4;font-weight:700;}
p{margin:0 0 14px;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid var(--lime);outline-offset:2px;border-radius:6px;}

.container-x{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-sm{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--primary);background:var(--primary-soft);
  padding:7px 14px;border-radius:var(--radius-pill);margin-bottom:18px;
}
.section-head p{color:var(--muted);font-size:16.5px;margin-top:14px;}

/* ============ 按钮 ============ */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:50px;padding:0 26px;border-radius:var(--radius-sm);
  font-weight:700;font-size:15.5px;border:1px solid transparent;
  cursor:pointer;transition:transform var(--t),background var(--t),color var(--t),box-shadow var(--t),border-color var(--t);
  white-space:nowrap;
}
.btn-primary-x{background:var(--primary);color:#fff;box-shadow:0 6px 18px rgba(108,77,255,.24);}
.btn-primary-x:hover{background:var(--coral);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,106,61,.28);}
.btn-ghost-x{background:#fff;color:var(--ink);border-color:var(--border);}
.btn-ghost-x:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px);}
.btn-coral-x{background:var(--coral);color:#fff;box-shadow:0 6px 18px rgba(255,106,61,.24);}
.btn-coral-x:hover{background:#EF5A2C;color:#fff;transform:translateY(-2px);}
.btn-lime-x{background:var(--lime);color:var(--dark);}
.btn-lime-x:hover{background:#B6DE00;color:var(--dark);transform:translateY(-2px);}
.btn-sm-x{height:42px;padding:0 20px;font-size:14.5px;border-radius:10px;}

/* ============ 顶部公告 ============ */
.topbar{background:var(--dark);color:#D9D6CE;font-size:13.5px;padding:9px 0;}
.topbar .inner{display:flex;align-items:center;justify-content:center;gap:14px;position:relative;}
.topbar b{color:var(--lime);font-weight:700;}
.topbar .close-b{position:absolute;right:0;background:none;border:0;color:#8E8A83;cursor:pointer;font-size:15px;padding:2px 6px;border-radius:6px;}
.topbar .close-b:hover{color:var(--lime);}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;background:rgba(247,246,242,.94);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--border);transition:box-shadow var(--t);
}
.site-header.scrolled{box-shadow:0 6px 24px rgba(17,18,23,.08);}
.header-inner{display:flex;align-items:center;gap:24px;min-height:76px;}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),#8B6CFF);color:#fff;
  font-weight:800;font-size:19px;letter-spacing:-.02em;
  box-shadow:0 6px 16px rgba(108,77,255,.28);
}
.brand-text{display:flex;flex-direction:column;font-size:19px;font-weight:800;line-height:1.15;color:var(--ink);}
.brand-text small{font-size:11.5px;font-weight:600;color:var(--muted);letter-spacing:.06em;margin-top:2px;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-links a{
  position:relative;font-size:15px;font-weight:600;color:#39382F;
  padding:10px 14px;border-radius:10px;transition:color var(--t),background var(--t);
}
.nav-links a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:5px;height:2.5px;
  background:var(--lime);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform var(--t);
}
.nav-links a:hover{color:var(--primary);background:rgba(108,77,255,.06);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--primary);background:var(--primary-soft);}
.nav-links a.active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.nav-toggle{
  display:none;width:46px;height:46px;border-radius:12px;border:1px solid var(--border);
  background:#fff;color:var(--ink);cursor:pointer;font-size:17px;
}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary);}
.mobile-nav{display:none;border-top:1px solid var(--border);background:#fff;padding:14px 24px 22px;}
.mobile-nav.open{display:block;}
.mobile-nav a{display:block;padding:12px 4px;font-weight:600;border-bottom:1px dashed var(--border);font-size:15.5px;}
.mobile-nav a.active{color:var(--primary);}
.mobile-nav .btn-x{width:100%;margin-top:16px;}

/* ============ Hero ============ */
.page-hero{position:relative;overflow:hidden;background:var(--dark);color:#fff;}
.page-hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.42;transform:scale(1.02);
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(17,18,23,.94) 12%,rgba(17,18,23,.72) 52%,rgba(17,18,23,.42) 100%);
}
.hero-inner{position:relative;z-index:2;padding:78px 0 84px;}
.crumb{display:flex;flex-wrap:wrap;gap:8px;font-size:13.5px;color:rgba(255,255,255,.62);margin-bottom:22px;}
.crumb a:hover{color:var(--lime);}
.crumb .sep{opacity:.5;}
.crumb .cur{color:#fff;font-weight:700;}
.hero-grid{display:grid;grid-template-columns:1.35fr .9fr;gap:56px;align-items:center;}
.hero-tag{
  display:inline-flex;align-items:center;gap:9px;background:rgba(199,240,0,.14);
  border:1px solid rgba(199,240,0,.38);color:var(--lime);
  font-size:13px;font-weight:700;padding:7px 15px;border-radius:var(--radius-pill);margin-bottom:22px;
}
.page-hero h1{color:#fff;max-width:16em;}
.page-hero h1 em{font-style:normal;color:var(--lime);}
.hero-sub{color:rgba(255,255,255,.78);font-size:17px;max-width:40em;margin:20px 0 30px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:34px;margin-top:42px;padding-top:26px;border-top:1px solid rgba(255,255,255,.14);}
.hero-stats .st b{display:block;font-size:26px;font-weight:800;color:#fff;line-height:1.2;}
.hero-stats .st span{font-size:13px;color:rgba(255,255,255,.6);}
.quick-card{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius);padding:26px;
}
.quick-card h3{color:#fff;font-size:17px;margin-bottom:6px;}
.quick-card .qc-desc{color:rgba(255,255,255,.6);font-size:13.5px;margin-bottom:18px;}
.qc-list li{display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-bottom:1px dashed rgba(255,255,255,.14);}
.qc-list li:last-child{border-bottom:0;padding-bottom:0;}
.qc-num{
  width:26px;height:26px;flex:0 0 26px;border-radius:8px;display:grid;place-items:center;
  background:var(--lime);color:var(--dark);font-weight:800;font-size:13px;margin-top:2px;
}
.qc-list .t{color:#fff;font-weight:700;font-size:14.5px;}
.qc-list .d{color:rgba(255,255,255,.58);font-size:12.5px;}
.qc-time{margin-left:auto;font-size:12px;color:rgba(255,255,255,.45);white-space:nowrap;padding-top:2px;}

/* ============ 通用卡片 ============ */
.card-x{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  box-shadow:var(--shadow);transition:transform var(--t),box-shadow var(--t),border-color var(--t);
  height:100%;overflow:hidden;
}
.card-x:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--lime);}
.card-x .body{padding:22px 24px 26px;}
.card-x h3{margin-bottom:10px;}
.card-x p{color:var(--muted);font-size:14.8px;margin-bottom:0;}
.tag-x{
  display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:700;
  padding:5px 12px;border-radius:var(--radius-pill);background:var(--primary-soft);color:var(--primary);
}
.tag-lime{background:rgba(199,240,0,.24);color:#5C6E00;}
.tag-coral{background:rgba(255,106,61,.14);color:#D2481C;}
.tag-gray{background:#F1EFE9;color:var(--muted);}

/* ============ 阶段概览 ============ */
.stage-row{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.stage{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px 24px 28px;
  position:relative;transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.stage:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--primary);}
.stage .idx{font-size:13px;font-weight:800;color:var(--primary);letter-spacing:.14em;}
.stage h3{margin:12px 0 10px;font-size:18px;}
.stage p{color:var(--muted);font-size:14.5px;margin:0;}
.stage .bar{position:absolute;left:0;top:0;height:4px;width:52px;background:var(--lime);border-radius:0 4px 4px 0;}

/* ============ 时间线 ============ */
.timeline-wrap{position:relative;}
.timeline-wrap::before{
  content:"";position:absolute;left:50%;top:10px;bottom:10px;width:2px;
  background:linear-gradient(180deg,var(--primary),rgba(199,240,0,.75),var(--border));
  transform:translateX(-50%);
}
.tl-item{display:grid;grid-template-columns:1fr 76px 1fr;align-items:flex-start;margin-bottom:34px;}
.tl-dot{grid-column:2;justify-self:center;position:relative;z-index:2;padding-top:24px;}
.tl-dot span{
  width:46px;height:46px;border-radius:50%;display:grid;place-items:center;
  background:#fff;border:2px solid var(--primary);color:var(--primary);
  font-weight:800;font-size:15px;box-shadow:0 6px 18px rgba(108,77,255,.18);
}
.tl-card{
  grid-column:1;background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:26px 26px 24px;box-shadow:var(--shadow);transition:border-color var(--t),box-shadow var(--t),transform var(--t);
}
.tl-card:hover{border-color:var(--lime);box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.tl-item:nth-child(even) .tl-card{grid-column:3;}
.tl-card h3{margin-bottom:8px;}
.tl-card .meta{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:14px;}
.tl-card p{color:var(--muted);font-size:15px;}
.check-list{display:grid;gap:9px;margin-top:14px;padding-top:16px;border-top:1px dashed var(--border);}
.check-list li{display:flex;gap:10px;font-size:14.2px;color:#3A3831;}
.check-list i{color:var(--primary);font-size:13px;margin-top:6px;}

/* ============ 准备 & 卡点 ============ */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:28px;}
.panel{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:32px;box-shadow:var(--shadow);height:100%;
}
.panel h3{margin-bottom:8px;}
.panel .lead{color:var(--muted);font-size:14.8px;margin-bottom:22px;}
.panel ul.rows li{
  display:flex;gap:14px;padding:14px 0;border-bottom:1px dashed var(--border);font-size:14.8px;color:#3A3831;
}
.panel ul.rows li:last-child{border-bottom:0;padding-bottom:0;}
.panel ul.rows i{color:var(--primary);margin-top:5px;font-size:14px;}
.panel.dark{background:var(--dark);border-color:#23252D;}
.panel.dark h3,.panel.dark .rows li{color:#fff;}
.panel.dark .lead,.panel.dark .rows li span{color:rgba(255,255,255,.66);}
.panel.dark ul.rows li{border-color:rgba(255,255,255,.12);}
.panel.dark ul.rows i{color:var(--lime);}

/* 图文块 */
.feature-split{display:grid;grid-template-columns:1.05fr 1fr;gap:44px;align-items:center;}
.feature-figure{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-hover);border:1px solid var(--border);}
.feature-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11;}

/* ============ 相关分类 ============ */
.rel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.rel-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow);display:flex;flex-direction:column;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.rel-card:hover{transform:translateY(-3px);border-color:var(--lime);box-shadow:var(--shadow-hover);}
.rel-card .thumb{aspect-ratio:16/9;overflow:hidden;}
.rel-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease;}
.rel-card:hover .thumb img{transform:scale(1.05);}
.rel-card .body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rel-card h3{font-size:17px;}
.rel-card p{color:var(--muted);font-size:14px;margin:0;flex:1;}
.rel-card .go{font-size:14px;font-weight:700;color:var(--primary);}
.rel-card .go i{transition:transform var(--t);}
.rel-card:hover .go i{transform:translateX(4px);}
.rel-card.current{border-color:var(--primary);box-shadow:0 0 0 3px rgba(108,77,255,.1);}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto;}
.accordion-item{
  background:#fff;border:1px solid var(--border)!important;border-radius:var(--radius)!important;
  margin-bottom:14px;overflow:hidden;box-shadow:var(--shadow);
}
.accordion-button{
  background:#fff!important;font-weight:700;font-size:16.5px;color:var(--ink)!important;
  padding:20px 24px;box-shadow:none!important;border-radius:var(--radius)!important;
  display:flex;gap:14px;align-items:center;
}
.accordion-button::after{
  background-image:none;content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:13px;color:var(--primary);width:30px;height:30px;border-radius:9px;
  background:var(--primary-soft);display:grid;place-items:center;margin-left:auto;
  transition:transform var(--t),background var(--t),color var(--t);
}
.accordion-button:not(.collapsed){color:var(--primary)!important;}
.accordion-button:not(.collapsed)::after{
  transform:rotate(45deg);background:var(--lime);color:var(--dark);
}
.accordion-button:focus{box-shadow:none!important;}
.accordion-body{
  padding:0 24px 24px 24px;color:var(--muted);font-size:15.2px;
  border-left:4px solid var(--lime);margin-left:24px;padding-left:20px;
}

/* ============ 咨询表单 ============ */
.consult{
  background:linear-gradient(135deg,#191B22 0%,#23252F 60%,#1B1D26 100%);
  border-radius:24px;padding:48px;color:#fff;position:relative;overflow:hidden;
}
.consult::before{
  content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(199,240,0,.22),transparent 68%);
}
.consult-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:44px;position:relative;z-index:2;}
.consult h2{color:#fff;margin-bottom:14px;}
.consult .c-sub{color:rgba(255,255,255,.7);font-size:15.5px;}
.consult .c-list{margin-top:26px;display:grid;gap:12px;}
.consult .c-list li{display:flex;gap:12px;font-size:14.5px;color:rgba(255,255,255,.78);}
.consult .c-list i{color:var(--lime);margin-top:5px;font-size:14px;}
.form-card{background:#fff;border-radius:var(--radius);padding:30px;box-shadow:0 18px 46px rgba(0,0,0,.28);}
.form-card .f-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.form-card label{display:block;font-size:13.5px;font-weight:700;color:#3A3831;margin-bottom:7px;}
.form-card .f-group{margin-bottom:16px;}
.form-control,.form-select{
  width:100%;height:48px;border-radius:var(--radius-sm);border:1px solid var(--border);
  padding:0 14px;font-size:14.8px;color:var(--ink);background:#FCFBF8;transition:border-color var(--t),box-shadow var(--t);
}
textarea.form-control{height:auto;min-height:104px;padding:12px 14px;resize:vertical;line-height:1.7;}
.form-control:focus,.form-select:focus{border-color:var(--lime);box-shadow:0 0 0 3px rgba(199,240,0,.28);outline:none;background:#fff;}
.form-check-input{width:18px;height:18px;border-radius:5px;border-color:#CFCBC0;margin-right:9px;}
.form-check-input:checked{background-color:var(--primary);border-color:var(--primary);}
.form-check-label{font-size:13.4px;color:var(--muted);}
.form-card .btn-x{width:100%;margin-top:6px;}
.form-hint{font-size:12.6px;color:#8B867D;margin-top:12px;text-align:center;}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:#C9C6BE;padding:72px 0 0;margin-top:96px;font-size:14.6px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:18px;}
.footer-brand .brand-mark{width:38px;height:38px;font-size:18px;}
.footer-brand .brand-text{color:#fff;font-size:18px;}
.footer-brand .brand-text small{color:rgba(255,255,255,.5);}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:18px;font-weight:700;}
.footer-col p{color:rgba(255,255,255,.6);font-size:14px;line-height:1.85;}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul a{color:rgba(255,255,255,.68);font-size:14.4px;position:relative;}
.footer-col ul a:hover{color:var(--lime);}
.footer-contact li{display:flex;gap:10px;color:rgba(255,255,255,.68);font-size:14.2px;line-height:1.7;}
.footer-contact i{color:var(--lime);margin-top:5px;font-size:13.5px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0 30px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:13.4px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.7);}
.footer-bottom a:hover{color:var(--lime);}
.to-top{
  position:fixed;right:22px;bottom:26px;width:48px;height:48px;border-radius:14px;
  background:var(--primary);color:#fff;border:0;display:grid;place-items:center;cursor:pointer;
  box-shadow:0 10px 26px rgba(108,77,255,.34);opacity:0;visibility:hidden;transition:opacity var(--t),transform var(--t),background var(--t);
  z-index:1040;font-size:16px;
}
.to-top.show{opacity:1;visibility:visible;}
.to-top:hover{background:var(--coral);transform:translateY(-3px);}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .stage-row{grid-template-columns:repeat(2,1fr);}
  .rel-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:991.98px){
  .nav-links{display:none;}
  .nav-toggle{display:grid;place-items:center;}
  .header-cta{display:none;}
  .section{padding:68px 0;}
  .consult{padding:34px;}
  .consult-grid{grid-template-columns:1fr;gap:30px;}
  .two-col{grid-template-columns:1fr;}
  .feature-split{grid-template-columns:1fr;gap:26px;}
  .timeline-wrap::before{left:23px;}
  .tl-item{grid-template-columns:56px 1fr;margin-bottom:24px;}
  .tl-dot{grid-column:1;grid-row:1;justify-self:start;padding-top:18px;}
  .tl-dot span{width:40px;height:40px;font-size:14px;}
  .tl-item .tl-card,
  .tl-item:nth-child(even) .tl-card{grid-column:2;grid-row:1;}
}
@media (max-width:767.98px){
  .hero-inner{padding:56px 0 62px;}
  .hero-stats{gap:22px;}
  .hero-cta .btn-x{flex:1 1 100%;}
  .stage-row{grid-template-columns:1fr;}
  .rel-grid{grid-template-columns:1fr;}
  .form-card .f-row{grid-template-columns:1fr;}
  .form-card{padding:24px;}
  .footer-grid{grid-template-columns:1fr;}
  .section{padding:56px 0;}
  .panel{padding:24px;}
}
@media (max-width:520px){
  .container-x{padding:0 18px;}
  .brand-text{font-size:16.5px;}
  .brand-mark{width:36px;height:36px;font-size:17px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .hero-stats .st b{font-size:22px;}
}

/* roulang page: category2 */
:root{
  --purple:#6C4DFF;
  --purple-dark:#5538E6;
  --lime:#C7F000;
  --coral:#FF6A3D;
  --coral-dark:#E9552A;
  --ink:#121212;
  --muted:#5F5B55;
  --obsidian:#111217;
  --bg:#F7F6F2;
  --card:#FFFFFF;
  --border:#E6E3DA;
  --radius:16px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow-sm:0 4px 20px rgba(0,0,0,.06);
  --shadow-md:0 14px 34px rgba(17,18,23,.12);
  --ease:200ms ease;
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Inter,system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.8;color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--ink);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--purple)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;line-height:1.3;font-weight:800}
p{margin:0 0 14px}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid var(--lime);outline-offset:3px;border-radius:6px}

.container-x{max-width:var(--container);margin:0 auto;padding:0 20px;width:100%}
.section{padding:84px 0}
.section-tight{padding:60px 0}
.section-head{max-width:760px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--purple);background:rgba(108,77,255,.08);
  border:1px solid rgba(108,77,255,.18);
  padding:6px 14px;border-radius:var(--radius-pill);margin-bottom:16px;
}
.section-title{font-size:clamp(24px,3.2vw,36px);margin-bottom:14px}
.section-desc{color:var(--muted);font-size:16px;margin:0;max-width:680px}
.center .section-desc{margin:0 auto}

/* ---------- 按钮 ---------- */
.btn-main,.btn-ghost,.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:transform var(--ease),background var(--ease),color var(--ease),box-shadow var(--ease),border-color var(--ease);
  white-space:nowrap;
}
.btn-main{background:var(--purple);color:#fff;box-shadow:0 6px 18px rgba(108,77,255,.28)}
.btn-main:hover{background:var(--purple-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(108,77,255,.34)}
.btn-accent{background:var(--coral);color:#fff;box-shadow:0 6px 18px rgba(255,106,61,.28)}
.btn-accent:hover{background:var(--coral-dark);color:#fff;transform:translateY(-2px)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--border)}
.btn-ghost:hover{border-color:var(--lime);transform:translateY(-2px);box-shadow:var(--shadow-sm);color:var(--ink)}
.btn-sm{height:42px;padding:0 18px;font-size:14px}
.btn-block{width:100%}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--border);transition:box-shadow var(--ease)}
.site-header.is-scrolled{box-shadow:0 6px 24px rgba(17,18,23,.08)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:76px}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{
  width:40px;height:40px;border-radius:13px;background:var(--purple);color:#fff;
  display:grid;place-items:center;font-size:20px;font-weight:800;
  box-shadow:0 6px 16px rgba(108,77,255,.32);
}
.brand-text{font-size:19px;font-weight:800;color:var(--ink);letter-spacing:-.02em;line-height:1.15}
.brand-text small{display:block;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:0;margin-top:2px}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{
  position:relative;display:block;padding:9px 14px;border-radius:10px;
  font-size:15px;font-weight:600;color:var(--ink);
}
.nav-links a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:3px;border-radius:3px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-links a.active{color:var(--purple);font-weight:700}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;width:46px;height:46px;border-radius:12px;border:1px solid var(--border);
  background:#fff;align-items:center;justify-content:center;font-size:18px;cursor:pointer;
}
.drawer-cta{display:none}

/* ---------- 面包屑 ---------- */
.breadcrumb-bar{padding:16px 0;border-bottom:1px solid var(--border);background:#FCFBF8}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--purple)}
.crumbs span.dot{color:#C9C5BB}
.crumbs strong{color:var(--ink);font-weight:700}

/* ---------- 内页 Hero ---------- */
.page-hero{
  position:relative;color:#fff;overflow:hidden;
  background-image:linear-gradient(105deg,rgba(17,18,23,.92) 0%,rgba(17,18,23,.78) 46%,rgba(85,56,230,.72) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  padding:76px 0 68px;
}
.page-hero::after{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(199,240,0,.28),transparent 62%);pointer-events:none;
}
.page-hero .hero-inner{position:relative;z-index:2;max-width:820px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  color:var(--obsidian);background:var(--lime);padding:6px 14px;border-radius:var(--radius-pill);margin-bottom:18px;
}
.page-hero h1{font-size:clamp(28px,4vw,46px);margin-bottom:16px;color:#fff}
.page-hero p.lead{font-size:17px;color:rgba(255,255,255,.82);max-width:660px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-stats{display:flex;flex-wrap:wrap;gap:32px;margin-top:38px;padding-top:26px;border-top:1px solid rgba(255,255,255,.16)}
.hero-stats div strong{display:block;font-size:26px;font-weight:800;color:var(--lime);line-height:1.2}
.hero-stats div span{font-size:13px;color:rgba(255,255,255,.7)}

/* ---------- 档位卡片 ---------- */
.tier-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.tier-card{
  position:relative;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:26px 22px 24px;box-shadow:var(--shadow-sm);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  display:flex;flex-direction:column;
}
.tier-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(199,240,0,.9)}
.tier-card.is-featured{border-color:var(--purple);box-shadow:0 14px 34px rgba(108,77,255,.18)}
.tier-card.is-featured::before{
  content:"推荐档位";position:absolute;top:-13px;left:22px;
  background:var(--purple);color:#fff;font-size:12px;font-weight:700;
  padding:5px 12px;border-radius:var(--radius-pill);letter-spacing:.04em;
}
.tier-name{font-size:19px;font-weight:800;margin-bottom:6px}
.tier-sub{font-size:13px;color:var(--muted);margin-bottom:18px}
.tier-price{font-size:15px;font-weight:700;color:var(--purple);background:rgba(108,77,255,.08);border-radius:10px;padding:8px 12px;margin-bottom:18px}
.tier-list{margin-bottom:22px;flex:1 1 auto}
.tier-list li{display:flex;gap:9px;align-items:flex-start;font-size:14px;color:#3A3733;padding:7px 0;border-bottom:1px dashed var(--border)}
.tier-list li:last-child{border-bottom:0}
.tier-list i{color:var(--purple);margin-top:5px;font-size:12px}
.tier-list li.off i{color:#C2BEB4}
.tier-list li.off{color:#A9A59C}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.tag{font-size:12px;font-weight:700;padding:5px 11px;border-radius:var(--radius-pill);background:#F1EFE9;color:var(--muted)}
.tag-lime{background:rgba(199,240,0,.3);color:#4A5A00}
.tag-purple{background:rgba(108,77,255,.12);color:var(--purple)}
.tag-coral{background:rgba(255,106,61,.14);color:var(--coral-dark)}

/* ---------- 对比矩阵表 ---------- */
.matrix-wrap{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden}
.matrix-scroll{overflow-x:auto}
table.matrix{width:100%;min-width:820px;border-collapse:collapse}
table.matrix th,table.matrix td{padding:16px 18px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--border);vertical-align:middle}
table.matrix thead th{background:var(--obsidian);color:#fff;font-size:15px;font-weight:700;white-space:nowrap;border-bottom:0}
table.matrix thead th:first-child{border-radius:0}
table.matrix tbody tr:hover{background:#FBFAF7}
table.matrix tbody tr:last-child td{border-bottom:0}
table.matrix td.item-name{font-weight:700;color:var(--ink);background:#FCFBF8}
table.matrix td.col-hl{background:rgba(108,77,255,.06);font-weight:600;color:var(--purple)}
.yes{color:#5F7A00;font-weight:700}
.no{color:#B6B2A8}
table.matrix .th-hl{background:var(--purple)}
.matrix-note{padding:14px 18px;font-size:13px;color:var(--muted);background:#FCFBF8;border-top:1px solid var(--border)}
.scroll-hint{display:none;font-size:13px;color:var(--muted);margin-top:10px}

/* ---------- 差异解读图文 ---------- */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center}
.split-media{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-md)}
.split-media img{width:100%;aspect-ratio:16/11;object-fit:cover}
.split-media .media-badge{
  position:absolute;left:18px;bottom:18px;background:#fff;border-radius:12px;
  padding:10px 14px;font-size:13px;font-weight:700;box-shadow:var(--shadow-sm);
}
.check-list li{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--border)}
.check-list li:last-child{border-bottom:0}
.check-icon{
  flex:0 0 auto;width:38px;height:38px;border-radius:11px;background:rgba(108,77,255,.1);
  color:var(--purple);display:grid;place-items:center;font-size:15px;
}
.check-list h3{font-size:17px;margin-bottom:5px}
.check-list p{font-size:14.5px;color:var(--muted);margin:0}

/* ---------- 选择建议步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;counter-reset:step}
.step-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:28px 24px;box-shadow:var(--shadow-sm);position:relative;
  transition:transform var(--ease),box-shadow var(--ease);
}
.step-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.step-num{
  display:inline-grid;place-items:center;width:42px;height:42px;border-radius:12px;
  background:var(--obsidian);color:var(--lime);font-weight:800;font-size:17px;margin-bottom:16px;
}
.step-card h3{font-size:18px;margin-bottom:10px}
.step-card p{font-size:14.5px;color:var(--muted);margin:0}

/* ---------- CTA 咨询区 ---------- */
.cta-band{
  background:linear-gradient(120deg,var(--obsidian) 0%,#1C1B2C 55%,#2B2160 100%);
  border-radius:22px;padding:52px 46px;color:#fff;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;left:-60px;bottom:-80px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,61,.32),transparent 65%);
}
.cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center}
.cta-band h2{font-size:clamp(23px,3vw,32px);margin-bottom:14px;color:#fff}
.cta-band p{color:rgba(255,255,255,.78);max-width:520px;margin-bottom:24px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.quick-card{background:#fff;border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-md);color:var(--ink)}
.quick-card h3{font-size:17px;margin-bottom:14px}
.quick-card .field{margin-bottom:14px}
.quick-card label{display:block;font-size:13px;font-weight:700;color:var(--muted);margin-bottom:6px}
.quick-card input,.quick-card select{
  width:100%;height:48px;border-radius:var(--radius-sm);border:1px solid var(--border);
  padding:0 14px;background:#FCFBF8;transition:border-color var(--ease),box-shadow var(--ease);
}
.quick-card input:focus,.quick-card select:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 3px rgba(199,240,0,.35);background:#fff}
.form-tip{font-size:12.5px;color:var(--muted);margin:10px 0 0}
.form-msg{font-size:13px;font-weight:700;color:#5F7A00;margin-top:10px;display:none}
.form-msg.show{display:block}

/* ---------- 相关分类互链 ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.rel-card{
  display:block;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--lime);color:var(--ink)}
.rel-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.rel-body{padding:20px 20px 22px}
.rel-body h3{font-size:17px;margin-bottom:8px}
.rel-body p{font-size:14px;color:var(--muted);margin-bottom:14px}
.rel-more{font-size:13.5px;font-weight:700;color:var(--purple);display:inline-flex;align-items:center;gap:6px}

/* ---------- FAQ ---------- */
.accordion-item{
  border:1px solid var(--border) !important;border-radius:var(--radius) !important;
  margin-bottom:14px;overflow:hidden;background:#fff;box-shadow:var(--shadow-sm);
  border-left:4px solid var(--border) !important;transition:border-color var(--ease);
}
.accordion-item:has(.accordion-button:not(.collapsed)){border-left-color:var(--lime) !important}
.accordion-button{
  background:#fff;color:var(--ink);font-weight:700;font-size:16.5px;padding:20px 22px;
  box-shadow:none !important;border-radius:0 !important;
}
.accordion-button:not(.collapsed){background:#fff;color:var(--purple)}
.accordion-button::after{
  width:1.05rem;height:1.05rem;background-size:1.05rem;transition:transform var(--ease);
}
.accordion-body{padding:0 22px 22px;font-size:15px;color:var(--muted);line-height:1.9}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--obsidian);color:#E9E7E2;padding:66px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.55fr 1fr 1fr 1.2fr;gap:34px;padding-bottom:46px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:18px}
.footer-brand .brand-mark{background:var(--lime);color:var(--obsidian);box-shadow:none}
.footer-brand .brand-text{color:#fff;font-size:18px;font-weight:800;line-height:1.2}
.footer-brand .brand-text small{display:block;color:rgba(255,255,255,.55);font-size:11px;font-weight:500;margin-top:3px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:18px;letter-spacing:0}
.footer-col p{font-size:14px;color:rgba(255,255,255,.66);margin:0;line-height:1.9}
.footer-col ul li{margin-bottom:11px}
.footer-col ul li a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-col ul li a:hover{color:var(--lime)}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.72);line-height:1.7}
.footer-contact i{color:var(--lime);margin-top:5px}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  padding:22px 0 26px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.72)}
.footer-bottom a:hover{color:var(--lime)}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:22px;bottom:24px;width:48px;height:48px;border-radius:50%;
  background:var(--purple);color:#fff;border:0;display:grid;place-items:center;cursor:pointer;
  box-shadow:0 8px 22px rgba(108,77,255,.34);opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity var(--ease),transform var(--ease),visibility var(--ease),background var(--ease);z-index:1040;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--coral)}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .tier-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991.98px){
  .nav-toggle{display:inline-flex}
  .nav-actions .btn-main.btn-nav{display:none}
  .nav-links{
    position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;border-bottom:1px solid var(--border);padding:14px 20px 22px;
    box-shadow:0 18px 34px rgba(17,18,23,.12);display:none;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:13px 12px;font-size:16px;border-radius:12px}
  .nav-links a::after{left:12px;right:auto;width:26px;bottom:6px}
  .nav-links a:hover{background:#FBFAF7}
  .drawer-cta{display:inline-flex;margin-top:10px;height:50px}
  .split{grid-template-columns:1fr;gap:32px}
  .steps{grid-template-columns:1fr;gap:18px}
  .cta-grid{grid-template-columns:1fr;gap:30px}
  .rel-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .section{padding:64px 0}
  .scroll-hint{display:block}
}
@media (max-width:767.98px){
  .brand-text{font-size:17px}
  .brand-mark{width:36px;height:36px;border-radius:11px;font-size:18px}
  .page-hero{padding:56px 0 52px}
  .hero-stats{gap:22px}
  .hero-stats div strong{font-size:22px}
  .tier-grid{grid-template-columns:1fr;gap:18px}
  .cta-band{padding:34px 22px;border-radius:18px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .rel-grid{grid-template-columns:1fr}
  .section{padding:52px 0}
  .section-head{margin-bottom:28px}
}
@media (max-width:519.98px){
  .hero-actions .btn-main,.hero-actions .btn-accent{width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category4 */
:root{
  --primary:#6C4DFF;
  --primary-dark:#5638E0;
  --lime:#C7F000;
  --coral:#FF6A3D;
  --bg:#F7F6F2;
  --dark:#111217;
  --card:#FFFFFF;
  --border:#E6E3DA;
  --ink:#121212;
  --muted:#5F5B55;
  --r-card:16px;
  --r-btn:12px;
  --shadow:0 4px 20px rgba(0,0,0,.06);
  --shadow-hover:0 12px 32px rgba(17,18,23,.12);
  --t:.22s ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color var(--t);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;font-weight:700;line-height:1.3;}
p{margin:0;}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
  outline:3px solid var(--lime);outline-offset:2px;border-radius:6px;
}
.container-x{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid var(--border);
  transition:box-shadow var(--t);
}
.site-header.scrolled{box-shadow:0 6px 24px rgba(17,18,23,.08);}
.header-inner{display:flex;align-items:center;gap:28px;min-height:76px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  color:#fff;font-size:20px;font-weight:800;display:flex;align-items:center;justify-content:center;
  letter-spacing:-.02em;
}
.brand-text{display:flex;flex-direction:column;font-size:19px;font-weight:800;letter-spacing:-.02em;line-height:1.2;}
.brand-text small{font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.04em;margin-top:2px;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-links a{
  position:relative;padding:10px 12px;font-size:15px;font-weight:600;color:#3A3733;border-radius:10px;
}
.nav-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;border-radius:3px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform var(--t);
}
.nav-links a:hover{color:var(--primary);}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1);}
.nav-links a.active{color:var(--primary);}
.header-cta{
  display:inline-flex;align-items:center;gap:8px;height:48px;padding:0 24px;border-radius:999px;
  background:var(--primary);color:#fff;font-weight:700;font-size:15px;white-space:nowrap;
  transition:background var(--t),transform var(--t),box-shadow var(--t);
}
.header-cta:hover{background:var(--coral);color:#fff;transform:translateY(-2px);box-shadow:0 10px 22px rgba(255,106,61,.28);}
.nav-toggle{
  display:none;width:46px;height:46px;border-radius:12px;border:1px solid var(--border);
  align-items:center;justify-content:center;color:var(--ink);font-size:18px;background:#fff;
}
.nav-toggle:hover{border-color:var(--lime);color:var(--primary);}

/* mobile drawer */
.drawer-mask{position:fixed;inset:0;background:rgba(17,18,23,.55);opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);z-index:1040;}
.drawer-mask.open{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;top:0;right:0;height:100%;width:302px;max-width:86vw;background:#fff;z-index:1050;
  transform:translateX(105%);transition:transform .26s ease;padding:22px;overflow-y:auto;
  box-shadow:-10px 0 30px rgba(17,18,23,.12);
}
.mobile-drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:16px;}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:22px;}
.drawer-nav a{padding:13px 14px;border-radius:12px;font-weight:600;font-size:15px;border:1px solid transparent;}
.drawer-nav a:hover,.drawer-nav a.active{background:#F3F1FB;color:var(--primary);border-color:#E4DEFB;}
.drawer-cta{display:flex;align-items:center;justify-content:center;height:50px;border-radius:12px;background:var(--primary);color:#fff;font-weight:700;}
.drawer-cta:hover{background:var(--coral);color:#fff;}

/* ---------- Buttons ---------- */
.btn-main,.btn-ghost,.btn-lime{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 28px;border-radius:var(--r-btn);font-weight:700;font-size:15px;
  transition:background var(--t),color var(--t),transform var(--t),box-shadow var(--t),border-color var(--t);
}
.btn-main{background:var(--primary);color:#fff;}
.btn-main:hover{background:var(--coral);color:#fff;transform:translateY(-2px);box-shadow:0 10px 22px rgba(255,106,61,.26);}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--border);}
.btn-ghost:hover{border-color:var(--lime);color:var(--primary);transform:translateY(-2px);box-shadow:var(--shadow);}
.btn-lime{background:var(--lime);color:#15161A;}
.btn-lime:hover{background:#D6FF1A;color:#15161A;transform:translateY(-2px);box-shadow:0 10px 22px rgba(199,240,0,.3);}
.btn-soft{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:14px;color:var(--primary);}
.btn-soft:hover{color:var(--coral);}

/* ---------- Hero ---------- */
.cat-hero{
  position:relative;color:#fff;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  padding:74px 0 80px;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(17,18,23,.94) 0%,rgba(17,18,23,.82) 48%,rgba(86,56,224,.78) 100%);
}
.cat-hero .hero-inner{position:relative;z-index:2;max-width:920px;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.62);margin-bottom:22px;}
.crumb a:hover{color:var(--lime);}
.crumb .sep{opacity:.5;}
.crumb .current{color:#fff;font-weight:700;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:rgba(199,240,0,.16);border:1px solid rgba(199,240,0,.42);
  color:var(--lime);font-size:13px;font-weight:700;letter-spacing:.06em;margin-bottom:20px;
}
.cat-hero h1{font-size:clamp(30px,4.6vw,54px);font-weight:800;color:#fff;margin-bottom:18px;}
.cat-hero h1 em{font-style:normal;color:var(--lime);}
.hero-sub{font-size:clamp(15px,1.6vw,18px);color:rgba(255,255,255,.82);max-width:660px;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px;}
.hero-actions .btn-ghost{background:rgba(255,255,255,.96);}
.hero-meta{display:flex;flex-wrap:wrap;gap:14px 34px;}
.hero-meta li{display:flex;align-items:center;gap:10px;font-size:14px;color:rgba(255,255,255,.8);}
.hero-meta i{color:var(--lime);font-size:15px;}

/* ---------- Sections ---------- */
.section{padding:88px 0;}
.section.tight{padding:64px 0;}
.section-alt{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.section-head{max-width:720px;margin-bottom:44px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.1em;
  color:var(--primary);text-transform:uppercase;margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--lime);}
.section-head h2{font-size:clamp(23px,3vw,34px);margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:16px;}

/* intro band */
.intro-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;}
.intro-copy h2{font-size:clamp(23px,3vw,34px);margin-bottom:18px;}
.intro-copy p{color:var(--muted);margin-bottom:16px;}
.intro-points{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:26px;}
.intro-points li{
  display:flex;gap:10px;align-items:flex-start;background:#fff;border:1px solid var(--border);
  border-radius:14px;padding:14px 16px;font-size:14px;font-weight:600;color:#3A3733;
}
.intro-points i{color:var(--primary);margin-top:4px;}
.intro-figure{position:relative;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow);}
.intro-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.intro-badge{
  position:absolute;left:18px;bottom:18px;background:rgba(17,18,23,.86);color:#fff;
  border-radius:12px;padding:12px 16px;font-size:13px;line-height:1.6;backdrop-filter:blur(4px);
}
.intro-badge strong{display:block;font-size:20px;color:var(--lime);font-weight:800;}

/* question grid */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;}
.q-card{
  display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--border);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.q-card:hover{transform:translateY(-3px);border-color:var(--lime);box-shadow:var(--shadow-hover);}
.q-card .thumb{position:relative;overflow:hidden;background:#EFEDE7;}
.q-card .thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease;}
.q-card:hover .thumb img{transform:scale(1.04);}
.q-card .thumb .tag{
  position:absolute;left:14px;top:14px;background:rgba(255,255,255,.94);color:var(--primary);
  font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px;
}
.q-card .body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.q-card h3{font-size:18px;}
.q-card p{color:var(--muted);font-size:14.5px;flex:1;}
.q-card .card-foot{display:flex;align-items:center;justify-content:space-between;padding-top:6px;border-top:1px dashed var(--border);margin-top:4px;}
.q-card .card-foot span{font-size:13px;color:#8C877E;}
.q-card .btn-soft{align-items:center;display:inline-flex;}

/* FAQ */
.faq-layout{display:grid;grid-template-columns:300px 1fr;gap:44px;align-items:start;}
.faq-aside{
  background:var(--dark);color:#fff;border-radius:var(--r-card);padding:28px 26px;position:sticky;top:100px;
}
.faq-aside h3{font-size:20px;margin-bottom:12px;}
.faq-aside p{color:rgba(255,255,255,.7);font-size:14px;margin-bottom:20px;}
.faq-aside ul{display:flex;flex-direction:column;gap:10px;margin-bottom:22px;}
.faq-aside li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.82);}
.faq-aside i{color:var(--lime);margin-top:5px;font-size:13px;}
.faq-aside .btn-lime{width:100%;height:46px;padding:0 18px;font-size:14px;}
.faq-accordion .accordion-item{
  border:1px solid var(--border);border-radius:14px;overflow:hidden;background:#fff;margin-bottom:14px;
}
.faq-accordion .accordion-button{
  font-size:16.5px;font-weight:700;color:var(--ink);background:#fff;padding:20px 22px;box-shadow:none;
  gap:12px;transition:background var(--t),color var(--t);
}
.faq-accordion .accordion-button:not(.collapsed){
  color:var(--primary);background:#FBFAFF;box-shadow:inset 4px 0 0 var(--lime);
}
.faq-accordion .accordion-button:focus{box-shadow:inset 4px 0 0 var(--lime);}
.faq-accordion .accordion-button::after{
  width:18px;height:18px;background-size:18px;
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%236C4DFF'%3E%3Cpath d='M8 11.5 2.5 6l1.06-1.06L8 9.38l4.44-4.44L13.5 6z'/%3E%3C/svg%3E");
}
.faq-accordion .accordion-body{
  padding:4px 22px 22px;color:var(--muted);font-size:15px;
}
.faq-accordion .accordion-body strong{color:var(--ink);}

/* steps */
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.step-card{
  position:relative;background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  padding:26px 22px;box-shadow:var(--shadow);transition:transform var(--t),box-shadow var(--t);
}
.step-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.step-card .num{
  width:42px;height:42px;border-radius:12px;background:#F3F1FB;color:var(--primary);
  font-weight:800;font-size:17px;display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.step-card:nth-child(2) .num{background:rgba(255,106,61,.12);color:var(--coral);}
.step-card:nth-child(3) .num{background:rgba(199,240,0,.24);color:#6C7A00;}
.step-card:nth-child(4) .num{background:rgba(108,77,255,.12);color:var(--primary);}
.step-card h3{font-size:17px;margin-bottom:10px;}
.step-card p{color:var(--muted);font-size:14.5px;}
.step-line{height:3px;border-radius:3px;background:linear-gradient(90deg,var(--primary),var(--lime),var(--coral));margin-bottom:34px;opacity:.85;}

/* CTA band */
.cta-band{
  background:var(--dark);color:#fff;border-radius:24px;padding:56px;position:relative;overflow:hidden;
  background-image:linear-gradient(120deg,rgba(17,18,23,.94),rgba(86,56,224,.72)),url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(199,240,0,.28),transparent 68%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.4fr auto;gap:32px;align-items:center;}
.cta-band h2{font-size:clamp(22px,2.8vw,32px);margin-bottom:14px;color:#fff;}
.cta-band p{color:rgba(255,255,255,.78);font-size:15px;max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.cta-band .btn-ghost{background:rgba(255,255,255,.96);}
.cta-note{margin-top:18px;font-size:13px;color:rgba(255,255,255,.6);}

/* related */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.related-card{
  display:block;background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--shadow);transition:transform var(--t),border-color var(--t),box-shadow var(--t);
}
.related-card:hover{transform:translateY(-3px);border-color:var(--lime);box-shadow:var(--shadow-hover);}
.related-card .rc-ico{
  width:44px;height:44px;border-radius:12px;background:#F3F1FB;color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:17px;margin-bottom:16px;
}
.related-card h3{font-size:17.5px;margin-bottom:10px;}
.related-card p{color:var(--muted);font-size:14.5px;margin-bottom:14px;}
.related-card .rc-link{font-size:14px;font-weight:700;color:var(--primary);display:inline-flex;align-items:center;gap:6px;}
.related-card:hover .rc-link{color:var(--coral);}

/* footer */
.site-footer{background:var(--dark);color:rgba(255,255,255,.74);padding:70px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.footer-brand .brand-mark{background:linear-gradient(135deg,var(--lime),#9BD000);color:#15161A;}
.footer-brand .brand-text{color:#fff;font-size:18px;}
.footer-brand .brand-text small{color:rgba(255,255,255,.55);}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:380px;}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:18px;letter-spacing:.02em;}
.site-footer ul li{margin-bottom:11px;font-size:14px;}
.site-footer ul li a{color:rgba(255,255,255,.7);}
.site-footer ul li a:hover{color:var(--lime);}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;color:rgba(255,255,255,.7);}
.footer-contact i{color:var(--lime);margin-top:6px;font-size:13px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding-top:22px;display:flex;flex-wrap:wrap;gap:12px;
  justify-content:space-between;font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.72);}
.footer-bottom a:hover{color:var(--lime);}

/* back to top */
.to-top{
  position:fixed;right:22px;bottom:22px;width:48px;height:48px;border-radius:14px;background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;box-shadow:0 10px 24px rgba(108,77,255,.32);
  opacity:0;visibility:hidden;transform:translateY(10px);transition:all var(--t);z-index:1020;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--coral);color:#fff;}

/* ---------- Responsive ---------- */
@media (max-width:1199.98px){
  .nav-links a{padding:10px 9px;font-size:14.5px;}
  .intro-grid{gap:38px;}
}
@media (max-width:991.98px){
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .header-cta{display:none;}
  .header-inner{gap:14px;min-height:70px;}
  .section{padding:60px 0;}
  .intro-grid{grid-template-columns:1fr;}
  .intro-figure{order:-1;}
  .grid-3{grid-template-columns:repeat(2,1fr);gap:22px;}
  .faq-layout{grid-template-columns:1fr;gap:28px;}
  .faq-aside{position:static;}
  .steps-grid{grid-template-columns:repeat(2,1fr);}
  .cta-band{padding:38px 26px;}
  .cta-inner{grid-template-columns:1fr;}
  .related-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
  .site-footer p{max-width:none;}
}
@media (max-width:575.98px){
  .container-x{padding:0 18px;}
  .cat-hero{padding:52px 0 58px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%;}
  .hero-meta{flex-direction:column;gap:12px;}
  .section{padding:48px 0;}
  .grid-3,.grid-2,.steps-grid,.related-grid{grid-template-columns:1fr;}
  .intro-points{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .cta-band{border-radius:18px;padding:30px 20px;}
  .faq-accordion .accordion-button{font-size:15.5px;padding:16px 16px;}
  .faq-accordion .accordion-body{padding:2px 16px 18px;}
  .to-top{right:14px;bottom:14px;}
}