/* roulang page: index */
:root{
  --brand:#00D68F;
  --brand-ink:#00A06B;
  --brand-soft:rgba(0,214,143,.08);
  --accent:#FF6A2B;
  --accent-hover:#F45E1E;
  --ink:#0E1116;
  --ink-2:#1B222B;
  --paper:#F4F6F4;
  --card:#FFFFFF;
  --line:#E1E7E3;
  --text:#14181D;
  --text-2:#5C6670;
  --text-3:#8A949C;
  --danger:#E5484D;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:20px;
  --sh-1:0 1px 2px rgba(14,17,22,.06),0 2px 8px rgba(14,17,22,.05);
  --sh-2:0 8px 24px rgba(14,17,22,.08);
  --sh-3:0 18px 48px rgba(14,17,22,.14);
  --glow:0 8px 22px rgba(0,214,143,.28);
  --bs-body-color:var(--text);
  --bs-body-bg:var(--paper);
  --bs-link-color:var(--brand-ink);
  --bs-link-hover-color:var(--text);
  --bs-border-radius:12px;
  --bs-border-color:var(--line);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-ink);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--text);}
button,input,select,textarea{font:inherit;}
h1,h2,h3,h4{margin:0;color:var(--text);letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

.site-wrap{max-width:1240px;margin:0 auto;padding:0 32px;}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section-head{margin-bottom:44px;max-width:760px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.04em;
  color:var(--brand-ink);background:var(--brand-soft);
  padding:6px 14px;border-radius:999px;margin-bottom:16px;
}
.eyebrow::before{content:"";width:16px;height:2px;border-radius:2px;background:var(--brand);}
.section-title{font-size:clamp(22px,3vw,32px);line-height:1.3;font-weight:700;}
.section-desc{color:var(--text-2);font-size:15.5px;margin-top:14px;}
.section-head--row{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;max-width:none;}
.link-more{font-size:15px;font-weight:700;color:var(--brand-ink);border-bottom:2px solid rgba(0,214,143,.4);padding-bottom:2px;}
.link-more:hover{border-color:var(--brand-ink);}

/* ============ 按钮 ============ */
.btn-main,.btn-line,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-sm);font-weight:700;font-size:15px;
  padding:13px 26px;border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-main{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(255,106,43,.24);}
.btn-main:hover{background:var(--accent-hover);color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(255,106,43,.3);}
.btn-main:active{transform:translateY(0) scale(.985);}
.btn-line{background:#fff;color:var(--text);border-color:var(--line);}
.btn-line:hover{border-color:var(--brand);background:var(--brand-soft);color:var(--brand-ink);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.32);}
.btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.5);}

/* ============ 导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:transparent;transition:background .3s ease,box-shadow .3s ease;
}
.site-header.is-solid{background:var(--ink);box-shadow:var(--sh-2);}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;}
.logo{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:19px;letter-spacing:-.01em;}
.logo:hover{color:#fff;}
.logo__mark{
  width:26px;height:26px;border-radius:8px;flex:none;
  background:linear-gradient(135deg,var(--brand) 0%,#00b478 100%);
  position:relative;
}
.logo__mark::after{
  content:"";position:absolute;inset:8px 7px;border-left:2px solid #fff;border-right:2px solid #fff;border-radius:1px;
}
.nav-panel{display:flex;align-items:center;gap:26px;}
.nav-list{display:flex;align-items:center;gap:6px;}
.nav-link-x{
  position:relative;display:inline-block;padding:9px 14px;border-radius:8px;
  color:rgba(255,255,255,.78);font-size:15px;font-weight:600;transition:.2s;
}
.nav-link-x:hover{color:#fff;background:rgba(0,214,143,.08);}
.nav-link-x.is-active{color:#fff;}
.nav-link-x.is-active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:2px;
  width:18px;height:3px;border-radius:3px;background:var(--brand);
}
.nav-toggle{
  display:none;width:44px;height:40px;border-radius:10px;border:1px solid rgba(255,255,255,.28);
  background:rgba(255,255,255,.06);cursor:pointer;padding:0;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#fff;margin:4px auto;border-radius:2px;}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding:150px 0 88px;}
.hero__bg{position:absolute;inset:0;overflow:hidden;}
.hero__bg img{width:100%;height:100%;object-fit:cover;opacity:.5;}
.hero__mask{
  position:absolute;inset:0;
  background:linear-gradient(90deg,#0E1116 0%,rgba(14,17,22,.94) 42%,rgba(14,17,22,.66) 68%,rgba(14,17,22,.34) 100%);
}
.hero__inner{position:relative;z-index:2;}
.hero-title{
  color:#fff;font-size:clamp(28px,4.2vw,44px);line-height:1.25;font-weight:800;margin:18px 0 0;
}
.hero-sub{color:rgba(255,255,255,.74);font-size:17px;margin-top:18px;max-width:520px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px;}
.badge-key{
  font-size:12px;font-weight:600;color:#fff;background:rgba(255,255,255,.12);
  padding:6px 14px;border-radius:999px;border:1px solid rgba(255,255,255,.1);
}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;border-radius:var(--r-lg);object-fit:cover;aspect-ratio:4/3;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 26px),calc(100% - 26px) 100%,0 100%);
}
.stat-chip{
  position:absolute;background:#fff;color:var(--text);border-radius:var(--r-sm);
  padding:12px 16px;box-shadow:var(--sh-3);min-width:132px;
}
.stat-chip--a{left:-14px;top:34px;}
.stat-chip--b{right:-10px;bottom:44px;}
.stat-chip b{display:block;font-size:24px;line-height:1.1;font-weight:800;color:var(--brand-ink);font-variant-numeric:tabular-nums;}
.stat-chip span{font-size:12.5px;color:var(--text-3);}

/* ============ 痛点编号条列 ============ */
.pain-list{border-top:1px solid var(--line);}
.pain-item{
  display:grid;grid-template-columns:68px 1fr;gap:18px;align-items:start;
  padding:24px 4px;border-bottom:1px solid var(--line);transition:background .25s ease;
}
.pain-item:hover{background:var(--brand-soft);}
.pain-num{
  font-size:20px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.4;
}
.pain-title{font-size:17px;font-weight:700;margin-bottom:4px;}
.pain-desc{color:var(--text-2);font-size:14.5px;line-height:1.75;}

/* ============ 方案卡区 ============ */
.plan-main{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;margin-bottom:28px;
}
.plan-main::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--brand);
  transform-origin:left;transition:transform .4s ease;
}
.plan-main:hover::before{transform:scaleX(1);}
.plan-main__inner{display:grid;grid-template-columns:7fr 5fr;gap:0;align-items:stretch;}
.plan-main__text{padding:38px 40px;}
.plan-main__media{position:relative;overflow:hidden;min-height:280px;}
.plan-main__media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.plan-main:hover .plan-main__media img{transform:scale(1.04);}
.plan-sub{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;display:flex;flex-direction:column;height:100%;
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.plan-sub:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(0,214,143,.35);}
.plan-sub--offset{margin-top:26px;}
.plan-sub__media{position:relative;overflow:hidden;aspect-ratio:16/9;}
.plan-sub__media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.plan-sub:hover .plan-sub__media img{transform:scale(1.04);}
.plan-sub__body{padding:26px 28px 30px;}
.plan-k{font-size:13px;font-weight:700;color:var(--brand-ink);background:var(--brand-soft);display:inline-block;padding:4px 12px;border-radius:999px;margin-bottom:14px;}
.plan-title{font-size:20px;font-weight:700;line-height:1.5;margin-bottom:12px;}
.plan-text{color:var(--text-2);font-size:15px;line-height:1.85;}
.plan-link{display:inline-block;margin-top:18px;font-weight:700;font-size:15px;color:var(--brand-ink);border-bottom:2px solid rgba(0,214,143,.4);}
.plan-link:hover{border-color:var(--brand-ink);}

/* ============ 数据带 ============ */
.databand{background:var(--ink);color:#fff;padding:60px 0;}
.data-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.data-item{padding:0 24px;text-align:center;border-left:1px solid rgba(255,255,255,.08);}
.data-item:first-child{border-left:0;}
.data-num{font-size:clamp(34px,5vw,56px);font-weight:800;line-height:1;color:var(--brand);font-variant-numeric:tabular-nums;}
.data-num small{font-size:.45em;font-weight:700;margin-left:4px;color:var(--brand);}
.data-label{font-size:13px;color:var(--text-3);margin-top:12px;}

/* ============ 资讯卡 ============ */
.news-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;height:100%;display:flex;flex-direction:column;
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(0,214,143,.35);}
.news-cover{display:block;position:relative;overflow:hidden;aspect-ratio:16/9;background:var(--brand-soft);}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.news-card:hover .news-cover img{transform:scale(1.04);}
.news-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1 1 auto;}
.chip{font-size:12px;font-weight:700;color:var(--brand-ink);background:var(--brand-soft);display:inline-block;padding:5px 12px;border-radius:999px;}
.news-title{font-size:17px;font-weight:700;line-height:1.55;margin:12px 0 10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-title a{color:var(--text);}
.news-title a:hover{color:var(--brand-ink);}
.news-excerpt{color:var(--text-2);font-size:14.5px;line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:18px;border-top:1px solid var(--line);}
.news-time{font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;}
.news-more{font-size:14px;font-weight:700;color:var(--brand-ink);}
.empty-card{
  border:1px dashed var(--line);border-radius:var(--r-md);background:#fff;
  padding:56px 24px;text-align:center;grid-column:1 / -1;
}
.empty-card p{color:var(--text-2);margin-bottom:18px;}

/* ============ 表单 ============ */
.form-block{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:44px 40px;}
.point-list li{display:flex;gap:12px;align-items:flex-start;margin-bottom:16px;color:var(--text-2);font-size:15px;}
.point-list li::before{
  content:"";flex:none;width:20px;height:20px;border-radius:50%;margin-top:6px;
  background:var(--brand-soft);border:2px solid var(--brand);
}
.form-label{font-size:14px;font-weight:700;color:var(--text);margin-bottom:8px;display:block;}
.form-control,.form-select{
  height:48px;border-radius:var(--r-sm);border:1px solid var(--line);background:#fff;
  padding:0 16px;font-size:15px;color:var(--text);width:100%;transition:.2s;
}
textarea.form-control{height:auto;min-height:112px;padding:14px 16px;resize:vertical;line-height:1.8;}
.form-control:focus,.form-select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(0,214,143,.15);}
.field{margin-bottom:20px;}
.privacy{font-size:12.5px;line-height:1.7;color:var(--text-3);margin-top:6px;}
.check-row{display:flex;gap:10px;align-items:flex-start;margin:6px 0 20px;}
.check-row input{appearance:none;width:20px;height:20px;flex:none;margin-top:4px;border:1px solid var(--line);border-radius:6px;background:#fff;cursor:pointer;position:relative;transition:.2s;}
.check-row input:checked{background:var(--brand);border-color:var(--brand);}
.check-row input:checked::after{content:"";position:absolute;left:6px;top:2px;width:6px;height:11px;border:2px solid #fff;border-top:0;border-left:0;transform:rotate(42deg);}
.check-row label{font-size:13.5px;color:var(--text-2);line-height:1.7;}
.form-tip{margin-top:16px;font-size:14px;font-weight:600;color:var(--brand-ink);display:none;}
.form-tip.is-show{display:block;}

/* ============ FAQ ============ */
.faq-acc .accordion-item{border:1px solid var(--line);border-radius:14px;background:#fff;margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-1);}
.faq-acc .accordion-button{
  width:100%;text-align:left;background:#fff;border:0;padding:20px 24px;
  font-size:17px;font-weight:600;color:var(--text);display:flex;align-items:center;justify-content:space-between;gap:16px;
  box-shadow:none;position:relative;transition:.25s;
}
.faq-acc .accordion-button:not(.collapsed){color:var(--brand-ink);padding-left:28px;}
.faq-acc .accordion-button::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;background:var(--brand);opacity:0;transition:opacity .25s;}
.faq-acc .accordion-button:not(.collapsed)::before{opacity:1;}
.faq-acc .accordion-button:focus{box-shadow:none;}
.faq-acc .accordion-button::after{
  content:"";flex:none;width:20px;height:20px;background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2300A06B' stroke-width='2.2' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-size:20px 20px;background-position:center;
  transition:transform .3s ease;margin-left:auto;
}
.faq-acc .accordion-button:not(.collapsed)::after{transform:rotate(45deg);}
.faq-acc .accordion-body{padding:0 28px 22px;color:var(--text-2);font-size:15.5px;line-height:1.9;}

/* ============ CTA 带 ============ */
.cta-band{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding:72px 0;}
.cta-band__bg{position:absolute;inset:0;}
.cta-band__bg img{width:100%;height:100%;object-fit:cover;opacity:.22;}
.cta-band__mask{position:absolute;inset:0;background:linear-gradient(90deg,rgba(14,17,22,.96) 0%,rgba(14,17,22,.78) 60%,rgba(14,17,22,.52) 100%);}
.cta-band__inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;}
.cta-band h2{color:#fff;font-size:clamp(22px,3vw,30px);line-height:1.35;}
.cta-band p{color:rgba(255,255,255,.7);font-size:15px;margin-top:12px;max-width:520px;}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#fff;padding:64px 0 0;border-top:1px solid rgba(255,255,255,.1);}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.1);}
.foot-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:18px;margin-bottom:16px;}
.foot-brand:hover{color:#fff;}
.foot-desc{color:rgba(255,255,255,.72);font-size:14px;line-height:1.9;max-width:320px;}
.foot-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;}
.foot-links li{margin-bottom:12px;}
.foot-links a{color:rgba(255,255,255,.72);font-size:14px;}
.foot-links a:hover{color:var(--brand);}
.foot-contact li{color:rgba(255,255,255,.72);font-size:14px;margin-bottom:12px;}
.foot-contact strong{color:#fff;font-weight:700;}
.foot-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;padding:22px 0 28px;font-size:13px;color:var(--text-3);}
.foot-bottom a{color:var(--text-3);}
.foot-bottom a:hover{color:var(--brand);}

/* ============ 弹层 ============ */
.modal-backdrop.show{opacity:.62;background:#0E1116;}
.lead-modal .modal-content{border:0;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-3);}
.lead-modal .modal-header{background:var(--ink);color:#fff;border-bottom:2px solid var(--brand);padding:20px 26px;}
.lead-modal .modal-title{color:#fff;font-size:18px;font-weight:700;}
.lead-modal .btn-close{filter:invert(1) grayscale(1);opacity:.85;}
.lead-modal .modal-body{padding:26px;}
@media (min-width:992px){.lead-modal .modal-dialog{max-width:560px;}}
@media (max-width:991.98px){.lead-modal .modal-dialog{max-width:92vw;margin:1rem auto;}}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .site-wrap{padding:0 28px;}
  .section{padding:84px 0;}
}
@media (max-width:991.98px){
  .site-wrap{padding:0 20px;}
  .section{padding:66px 0;}
  .header-inner{height:64px;}
  .nav-toggle{display:block;}
  .nav-panel{
    position:absolute;top:72px;right:20px;left:20px;
    display:block;background:#fff;border-radius:var(--r-md);box-shadow:var(--sh-3);
    padding:12px;
  }
  .nav-panel.collapse:not(.show){display:none;}
  .nav-panel.collapse.show{display:block;}
  .nav-list{flex-direction:column;align-items:stretch;gap:2px;}
  .nav-link-x{color:var(--text);font-size:16px;padding:13px 16px;height:48px;display:flex;align-items:center;border-radius:10px;}
  .nav-link-x:hover{background:var(--brand-soft);color:var(--brand-ink);}
  .nav-link-x.is-active{color:var(--brand-ink);background:var(--brand-soft);}
  .nav-link-x.is-active::after{display:none;}
  .nav-panel .nav-cta{width:100%;margin-top:10px;}
  .hero{padding:112px 0 64px;min-height:auto;}
  .hero-sub{max-width:none;}
  .hero-visual{margin-top:38px;}
  .stat-chip--a{left:8px;top:-16px;}
  .stat-chip--b{right:8px;bottom:-16px;}
  .plan-main__inner{grid-template-columns:1fr;}
  .plan-main__media{min-height:220px;order:-1;}
  .plan-sub--offset{margin-top:0;}
  .data-grid{grid-template-columns:repeat(2,1fr);gap:34px 0;}
  .data-item:nth-child(3){border-left:0;}
  .data-item:nth-child(odd){border-left:0;}
  .form-block{padding:32px 24px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767.98px){
  .section{padding:56px 0;}
  .hero{padding:100px 0 56px;}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%;}
  .pain-item{grid-template-columns:48px 1fr;gap:12px;}
  .plan-main__text{padding:28px 24px;}
  .data-num{font-size:34px;}
  .cta-band{padding:56px 0;}
  .cta-band__actions .btn-main,.cta-band__actions .btn-ghost{width:100%;}
  .foot-grid{grid-template-columns:1fr;}
  .faq-acc .accordion-button{font-size:16px;padding:18px 20px;}
}
@media (max-width:575.98px){
  .site-wrap{padding:0 16px;}
  .hero-title{font-size:26px;}
  .stat-chip{min-width:112px;padding:10px 12px;}
  .stat-chip b{font-size:20px;}
  .section-head{margin-bottom:30px;}
}

/* roulang page: article */
:root{
  --brand:#00D68F;
  --brand-ink:#00A06B;
  --brand-soft:rgba(0,214,143,.08);
  --accent:#FF6A2B;
  --accent-hover:#F45E1E;
  --ink:#0E1116;
  --ink-2:#1B222B;
  --paper:#F4F6F4;
  --card:#FFFFFF;
  --line:#E1E7E3;
  --text:#14181D;
  --text-2:#5C6670;
  --text-3:#8A949C;
  --r-card:16px;
  --r-img:20px;
  --r-btn:12px;
  --r-input:12px;
  --r-pill:999px;
  --r-modal:20px;
  --sh-1:0 1px 2px rgba(14,17,22,.06),0 2px 8px rgba(14,17,22,.05);
  --sh-2:0 8px 24px rgba(14,17,22,.08);
  --sh-3:0 18px 48px rgba(14,17,22,.14);
  --glow:0 8px 22px rgba(0,214,143,.28);
  --bs-body-bg:#F4F6F4;
  --bs-body-color:#14181D;
  --bs-link-color:#00A06B;
  --bs-link-hover-color:#14181D;
  --bs-border-radius:12px;
  --bs-font-sans-serif:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--text);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.9;letter-spacing:0;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--brand-ink);text-decoration:none;transition:color .22s ease,background-color .22s ease,border-color .22s ease}
a:hover{color:var(--text)}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
h1,h2,h3,h4{margin:0;color:var(--text);letter-spacing:-.01em}
p{margin:0 0 1em}
::selection{background:rgba(0,214,143,.24)}

/* ============ 容器 ============ */
.site-wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media (min-width:992px){.site-wrap{padding:0 32px}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1040;background:var(--ink);
  border-bottom:1px solid rgba(255,255,255,.07);
  transition:box-shadow .28s ease,background-color .28s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-2);background:#0B0E12}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:72px;gap:16px}
.logo{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:19px;letter-spacing:-.01em}
.logo:hover{color:#fff}
.logo__mark{
  width:22px;height:22px;border-radius:7px;flex:0 0 22px;position:relative;
  background:linear-gradient(135deg,var(--brand),#0AA9E0);
  box-shadow:var(--glow);
}
.logo__mark::after{
  content:"";position:absolute;inset:6px;border-radius:3px;background:var(--ink);
}
.nav-toggle{
  display:inline-flex;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;padding:0 10px;border:1px solid rgba(255,255,255,.22);
  border-radius:12px;background:rgba(255,255,255,.04);cursor:pointer;
}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:#fff;opacity:.85}
.nav-panel{display:flex;flex-direction:column;gap:6px}
.nav-list{list-style:none;display:flex;flex-direction:column;gap:4px;margin:0;padding:0}
.nav-link-x{
  display:block;padding:10px 14px;border-radius:10px;color:rgba(255,255,255,.78);
  font-size:15px;font-weight:600;transition:color .2s ease,background-color .2s ease;
}
.nav-link-x:hover{color:#fff;background:var(--brand-soft);background:rgba(0,214,143,.08)}
.nav-link-x.is-active{color:#fff;position:relative;background:rgba(0,214,143,.08)}
.nav-link-x.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;border-radius:3px;background:var(--brand);
}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border:0;border-radius:var(--r-btn);background:var(--accent);
  color:#fff;font-size:15px;font-weight:700;line-height:1;cursor:pointer;
  box-shadow:0 6px 16px rgba(255,106,43,.26);
  transition:transform .22s ease,background-color .22s ease,box-shadow .22s ease;
}
.btn-main:hover{background:var(--accent-hover);color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(255,106,43,.32)}
.btn-main:active{transform:translateY(0) scale(.985)}
.nav-cta{width:100%;margin-top:8px}
@media (min-width:992px){
  .nav-toggle{display:none}
  .nav-panel{flex-direction:row;align-items:center;gap:12px}
  .nav-panel.collapse:not(.show){display:flex}
  .nav-list{flex-direction:row;align-items:center;gap:6px}
  .nav-link-x{padding:12px 14px;font-size:15px}
  .nav-cta{width:auto;margin-top:0;padding:12px 22px}
}
@media (max-width:991.98px){
  .nav-panel{background:#fff;border-radius:16px;box-shadow:var(--sh-3);padding:12px;margin:8px 0 14px}
  .nav-panel .nav-link-x{color:var(--text-2);min-height:48px;display:flex;align-items:center}
  .nav-panel .nav-link-x:hover{color:var(--brand-ink)}
  .nav-panel .nav-link-x.is-active{color:var(--brand-ink)}
  .nav-panel .nav-link-x.is-active::after{left:14px;right:auto;width:18px;bottom:6px}
}

/* ============ 文章页头带 ============ */
.article-top{position:relative;background:var(--ink);color:#fff;overflow:hidden}
.article-top__bg{
  position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;opacity:.20;
}
.article-top__veil{
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(14,17,22,.94) 0%,rgba(14,17,22,.78) 55%,rgba(14,17,22,.52) 100%);
}
.article-top__inner{position:relative;padding:34px 0 40px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;line-height:1.7;color:rgba(255,255,255,.6)}
.crumb a{color:rgba(255,255,255,.6)}
.crumb a:hover{color:#fff}
.crumb .sep{color:rgba(255,255,255,.3)}
.crumb .now{color:#fff;max-width:60%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-top h1{
  margin:18px 0 16px;color:#fff;font-weight:800;letter-spacing:-.01em;
  font-size:clamp(28px,4.2vw,44px);line-height:1.25;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--text-3)}
.meta-pill{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(0,214,143,.14);color:#57E7B4;font-size:12px;font-weight:700;
}
.meta-pill--ghost{background:rgba(255,255,255,.12);color:rgba(255,255,255,.86);font-weight:600}
.meta-num{font-variant-numeric:tabular-nums}
.article-top__line{height:2px;background:linear-gradient(90deg,var(--brand),rgba(0,214,143,0));position:relative;bottom:0}

/* ============ 主体布局 ============ */
.page-main{padding:48px 0 80px}
.article-layout{display:grid;grid-template-columns:1fr;gap:28px}
@media (min-width:992px){
  .article-layout{grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:32px;align-items:start}
}
.article-card{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);padding:26px 22px 30px;overflow:hidden;
}
.article-card::after{
  content:"";position:absolute;right:0;bottom:0;width:56px;height:56px;
  background:linear-gradient(135deg,transparent 50%,rgba(0,214,143,.12) 50%);
  border-bottom-right-radius:var(--r-card);pointer-events:none;
}
@media (min-width:768px){.article-card{padding:38px 40px 44px}}

/* 富文本正文 */
.article-body{font-size:17px;line-height:1.95;color:var(--text);overflow-wrap:break-word}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  position:relative;margin:40px 0 16px;padding-left:16px;
  font-size:clamp(22px,3vw,28px);line-height:1.4;font-weight:700;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;width:4px;height:1.02em;border-radius:4px;background:var(--brand);
}
.article-body h3{margin:28px 0 12px;font-size:18px;line-height:1.5;font-weight:700}
.article-body h4{margin:22px 0 10px;font-size:16.5px;font-weight:700;color:var(--text-2)}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.3em}
.article-body li{margin:0 0 .5em}
.article-body a{color:var(--brand-ink);text-decoration:underline;text-underline-offset:2px}
.article-body a:hover{color:var(--text)}
.article-body img{border-radius:14px;margin:22px auto;height:auto}
.article-body figure{margin:22px 0}
.article-body figcaption,.article-body .caption{
  text-align:center;font-size:13px;color:var(--text-3);margin-top:10px;line-height:1.7;
}
.article-body blockquote{
  margin:24px 0;padding:20px 22px;background:var(--paper);
  border-left:3px solid var(--brand);border-radius:0 14px 14px 0;color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body table{
  width:100%;display:block;overflow-x:auto;border-collapse:collapse;margin:24px 0;
  font-size:15px;border-radius:14px;
}
.article-body thead th{
  background:var(--ink);color:#fff;font-weight:700;text-align:left;padding:12px 14px;white-space:nowrap;
}
.article-body tbody td{padding:12px 14px;border-bottom:1px solid var(--line);color:var(--text-2)}
.article-body tbody tr:nth-child(even){background:rgba(0,214,143,.04)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:34px 0}
.article-body code{background:var(--paper);padding:2px 6px;border-radius:6px;font-size:.92em}
.article-body pre{background:var(--ink);color:#E7EDF3;padding:18px;border-radius:14px;overflow-x:auto}

/* 空态 */
.empty-note{
  border:1px dashed var(--line);border-radius:var(--r-card);background:#fff;
  padding:46px 22px;text-align:center;
}
.empty-note .en-title{font-size:20px;font-weight:700;margin-bottom:8px}
.empty-note .en-desc{color:var(--text-2);font-size:15px;margin-bottom:20px}

/* 尾部链接区 */
.tag-block{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:34px;padding-top:22px;border-top:1px solid var(--line)}
.tag-block .tb-label{font-size:13px;color:var(--text-3)}
.tag{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:var(--r-pill);
  background:var(--brand-soft);color:var(--brand-ink);font-size:12px;font-weight:700;
}
.tag:hover{background:rgba(0,214,143,.18);color:var(--brand-ink)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-btn);background:#fff;border:1px solid var(--line);
  color:var(--text);font-size:15px;font-weight:600;cursor:pointer;
  transition:border-color .22s ease,background-color .22s ease,transform .22s ease;
}
.btn-ghost:hover{border-color:var(--brand);background:var(--brand-soft);color:var(--brand-ink);transform:translateY(-2px)}

/* 侧栏 */
.side-col{display:flex;flex-direction:column;gap:20px}
@media (min-width:992px){.side-col{position:sticky;top:96px}}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:20px 20px 22px;
}
.side-title{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:800;margin-bottom:14px}
.side-title::before{content:"";width:14px;height:3px;border-radius:3px;background:var(--brand)}
.side-list{list-style:none;margin:0;padding:0}
.side-list li+li{border-top:1px solid var(--line)}
.side-list a{
  display:flex;align-items:center;gap:10px;padding:11px 2px;color:var(--text-2);font-size:14.5px;line-height:1.6;
}
.side-list a:hover{color:var(--brand-ink)}
.side-list .dot{width:6px;height:6px;border-radius:50%;background:var(--brand);flex:0 0 6px}
.mini-cta{
  background:var(--ink);border:0;color:#fff;border-radius:var(--r-card);
  padding:24px 22px;box-shadow:var(--sh-2);position:relative;overflow:hidden;
}
.mini-cta::before{
  content:"";position:absolute;right:-40px;top:-40px;width:130px;height:130px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,214,143,.30),transparent 68%);
}
.mini-cta h3{color:#fff;font-size:18px;font-weight:800;margin-bottom:8px;position:relative}
.mini-cta p{color:rgba(255,255,255,.7);font-size:14px;line-height:1.8;margin-bottom:16px;position:relative}
.mini-cta .btn-main{position:relative;width:100%}

/* 延伸阅读 */
.readnext{margin-top:52px}
.sec-head{margin-bottom:22px}
.sec-head h2{font-size:clamp(22px,3vw,30px);font-weight:700}
.sec-head p{color:var(--text-2);font-size:15px;margin:8px 0 0}
.card-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:768px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:992px){.card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.info-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(0,214,143,.35)}
.info-card__pic{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--paper)}
.info-card__pic img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.info-card:hover .info-card__pic img{transform:scale(1.04)}
.info-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.info-card__body h3{
  font-size:17.5px;font-weight:700;line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.info-card__body h3 a{color:var(--text)}
.info-card__body h3 a:hover{color:var(--brand-ink)}
.info-card__body p{
  color:var(--text-2);font-size:14.5px;line-height:1.75;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.info-card__foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}
.link-more{font-size:14px;font-weight:700;color:var(--brand-ink);text-decoration:underline;text-underline-offset:2px}
.link-more:hover{color:var(--text)}

/* CTA 带 */
.cta-band{background:var(--ink);border-radius:var(--r-img);margin-top:64px;padding:38px 26px;position:relative;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;opacity:.14;
}
.cta-band__inner{position:relative;display:flex;flex-direction:column;gap:20px;align-items:flex-start}
.cta-band h2{color:#fff;font-size:clamp(20px,2.6vw,28px);line-height:1.4;font-weight:800}
.cta-band p{color:rgba(255,255,255,.72);font-size:15px;margin:8px 0 0;max-width:640px}
.cta-band__btns{display:flex;flex-wrap:wrap;gap:12px}
.btn-dark-ghost{
  display:inline-flex;align-items:center;justify-content:center;padding:13px 24px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.32);color:#fff;background:transparent;font-size:15px;font-weight:700;cursor:pointer;
  transition:background-color .22s ease,transform .22s ease;
}
.btn-dark-ghost:hover{background:rgba(255,255,255,.1);color:#fff;transform:translateY(-2px)}
@media (min-width:768px){
  .cta-band{padding:48px 48px}
  .cta-band__inner{flex-direction:row;align-items:center;justify-content:space-between}
  .cta-band__btns{flex:0 0 auto}
}

/* 返回顶部 */
.to-top{
  position:fixed;right:18px;bottom:22px;z-index:1030;
  width:46px;height:46px;border-radius:14px;border:1px solid var(--line);background:#fff;color:var(--text-2);
  box-shadow:var(--sh-2);display:flex;align-items:center;justify-content:center;cursor:pointer;
  opacity:0;visibility:hidden;transform:translateY(10px);transition:all .28s ease;font-size:16px;font-weight:700;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{border-color:var(--brand);color:var(--brand-ink)}

/* 弹层 */
.modal-content{border:0;border-radius:var(--r-modal);overflow:hidden;box-shadow:var(--sh-3)}
.modal-header{background:var(--ink);border-bottom:2px solid var(--brand);color:#fff;padding:18px 24px}
.modal-header .modal-title{font-size:17px;font-weight:800;color:#fff}
.modal-header .btn-close{filter:invert(1) grayscale(1);opacity:.85}
.modal-body{padding:24px}
.modal-backdrop.show{opacity:.62;background:var(--ink)}
.form-label{font-size:14px;font-weight:700;color:var(--text-2);margin-bottom:6px}
.form-control,.form-select{
  min-height:48px;border-radius:var(--r-input);border:1px solid var(--line);
  font-size:15px;color:var(--text);background:#fff;
}
textarea.form-control{min-height:96px;padding-top:12px}
.form-control:focus,.form-select:focus{
  border-color:var(--brand);box-shadow:0 0 0 3px rgba(0,214,143,.15);
}
.form-check-input{width:18px;height:18px;border-radius:6px;border:1px solid var(--line);margin-top:4px}
.form-check-input:checked{background-color:var(--brand);border-color:var(--brand)}
.form-check-label{font-size:13px;color:var(--text-3);line-height:1.7}
.privacy-note{font-size:12.5px;color:var(--text-3);line-height:1.7;margin-top:12px}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#fff;margin-top:0;padding:56px 0 26px;border-top:1px solid rgba(255,255,255,.1)}
.foot-grid{display:grid;grid-template-columns:1fr;gap:30px}
@media (min-width:768px){.foot-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:992px){.foot-grid{grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:36px}}
.foot-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:18px;margin-bottom:14px}
.foot-brand:hover{color:#fff}
.foot-desc{color:rgba(255,255,255,.66);font-size:14px;line-height:1.85;max-width:340px;margin:0}
.foot-title{font-size:14px;font-weight:800;color:#fff;margin-bottom:14px;letter-spacing:.02em}
.foot-links,.foot-contact{list-style:none;margin:0;padding:0}
.foot-links li{margin-bottom:10px}
.foot-links a{color:rgba(255,255,255,.72);font-size:14.5px}
.foot-links a:hover{color:var(--brand)}
.foot-contact li{color:rgba(255,255,255,.66);font-size:14px;line-height:1.9;margin-bottom:8px}
.foot-contact strong{color:#fff;font-weight:700}
.foot-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}
.foot-bottom a{color:rgba(255,255,255,.7)}
.foot-bottom a:hover{color:var(--brand)}

/* roulang page: category2 */
:root{
  --brand:#00D68F;
  --brand-ink:#00A06B;
  --brand-soft:rgba(0,214,143,.09);
  --accent:#FF6A2B;
  --accent-hover:#F45E1E;
  --ink:#0E1116;
  --ink-2:#1B222B;
  --paper:#F4F6F4;
  --card:#FFFFFF;
  --line:#E1E7E3;
  --text:#14181D;
  --text-2:#5C6670;
  --text-3:#8A949C;
  --r-card:16px;
  --r-img:20px;
  --r-btn:12px;
  --sh-1:0 1px 2px rgba(14,17,22,.06),0 2px 8px rgba(14,17,22,.05);
  --sh-2:0 8px 24px rgba(14,17,22,.08);
  --sh-3:0 18px 48px rgba(14,17,22,.14);
  --glow:0 8px 22px rgba(0,214,143,.28);
  --wrap:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.9;color:var(--text);background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand-ink);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--text)}
h1,h2,h3,h4{margin:0;color:var(--text);letter-spacing:-.01em}
h1{font-size:clamp(28px,4.2vw,44px);line-height:1.25;font-weight:800}
h2{font-size:clamp(22px,3vw,32px);line-height:1.3;font-weight:700}
h3{font-size:20px;line-height:1.5;font-weight:700}
p{margin:0 0 16px}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.num{font-variant-numeric:tabular-nums;font-weight:800}

.site-wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 20px}
@media (min-width:992px){.site-wrap{padding:0 32px}}

/* ============ HEADER / NAV ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:var(--ink);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-2);background:#0B0E12}
.header-inner{
  min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px;position:relative;
}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:800;color:#fff;letter-spacing:-.01em;white-space:nowrap;
}
.logo:hover{color:#fff}
.logo__mark{
  width:22px;height:22px;border-radius:7px;flex:0 0 22px;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-ink) 100%);
  position:relative;
}
.logo__mark::after{
  content:"";position:absolute;left:5px;top:5px;width:12px;height:12px;
  border:2px solid rgba(14,17,22,.85);border-radius:50% 50% 50% 0;transform:rotate(-45deg);
}
.nav-panel{display:flex;align-items:center;gap:8px;margin-left:auto}
.nav-list{display:flex;align-items:center;gap:6px}
.nav-link-x{
  display:inline-block;padding:9px 14px;border-radius:10px;
  font-size:15px;font-weight:600;color:rgba(255,255,255,.78);position:relative;
}
.nav-link-x:hover{color:#fff;background:rgba(0,214,143,.10)}
.nav-link-x.is-active{color:#fff}
.nav-link-x.is-active::after{
  content:"";position:absolute;left:50%;bottom:1px;transform:translateX(-50%);
  width:18px;height:3px;border-radius:999px;background:var(--brand);
}
.nav-cta{margin-left:14px;white-space:nowrap}
.nav-toggle{
  display:none;width:44px;height:44px;border:0;background:transparent;
  flex-direction:column;justify-content:center;gap:5px;padding:0 10px;cursor:pointer;
}
.nav-toggle span{display:block;height:2px;width:100%;background:#fff;border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

@media (max-width:991.98px){
  .header-inner{min-height:64px}
  .nav-toggle{display:flex}
  .nav-panel{
    display:block;position:absolute;top:calc(100% + 10px);left:20px;right:20px;
    background:#fff;border-radius:16px;box-shadow:var(--sh-3);padding:12px;
    margin-left:0;
  }
  .nav-panel.collapse:not(.show){display:none}
  .nav-list{flex-direction:column;align-items:stretch;gap:2px}
  .nav-link-x{
    display:block;color:var(--text);min-height:48px;line-height:30px;
    border-bottom:1px solid var(--line);border-radius:0;padding:9px 8px;font-size:15.5px;
  }
  .nav-link-x:hover{color:var(--brand-ink);background:var(--brand-soft);border-radius:10px}
  .nav-link-x.is-active{color:var(--brand-ink);background:var(--brand-soft);border-radius:10px}
  .nav-link-x.is-active::after{display:none}
  .nav-cta{margin:12px 0 2px;width:100%}
}
@media (min-width:992px){
  .nav-panel.collapse,.nav-panel{display:flex !important}
}

/* ============ BUTTONS ============ */
.btn-main,.btn-ghost,.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
  text-align:center;line-height:1.3;
}
.btn-main{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn-main:hover{background:var(--accent-hover);color:#fff;transform:translateY(-2px);box-shadow:var(--glow)}
.btn-main:active{transform:translateY(0) scale(.985)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.32)}
.btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff;transform:translateY(-2px)}
.btn-line{background:#fff;color:var(--text);border-color:var(--line)}
.btn-line:hover{border-color:var(--brand);background:var(--brand-soft);color:var(--brand-ink);transform:translateY(-2px)}
.link-more{font-weight:700;color:var(--brand-ink);border-bottom:2px solid rgba(0,214,143,.4);padding-bottom:1px}
.link-more:hover{color:var(--text);border-color:var(--text)}

/* ============ BADGES ============ */
.badge-x{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  font-size:12px;font-weight:700;letter-spacing:.02em;
}
.badge-x--soft{background:var(--brand-soft);color:var(--brand-ink)}
.badge-x--dark{background:rgba(255,255,255,.12);color:#fff}

/* ============ PAGE HEAD ============ */
.page-head{
  position:relative;background:var(--ink);color:#fff;overflow:hidden;
  padding:56px 0 64px;
}
.page-head__bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center 30%;
  opacity:.34;
}
.page-head::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(14,17,22,.96) 0%,rgba(14,17,22,.86) 46%,rgba(14,17,22,.52) 100%);
}
.page-head__inner{position:relative;z-index:2}
.crumb{font-size:13px;color:rgba(255,255,255,.6);margin-bottom:18px;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.crumb a{color:rgba(255,255,255,.62)}
.crumb a:hover{color:#fff}
.crumb span.sep{color:rgba(255,255,255,.32)}
.crumb .now{color:#fff;font-weight:600}
.page-head h1{color:#fff;max-width:19em}
.page-head .sub{
  margin:18px 0 0;color:rgba(255,255,255,.76);font-size:17px;line-height:1.8;max-width:44em;
}
.head-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.head-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.head-rule{position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--brand);z-index:3}
.page-head .glow-dot{
  position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,214,143,.28),transparent 68%);z-index:1;
}

/* ============ SECTIONS ============ */
.section{padding:88px 0}
.section--tight{padding:64px 0}
@media (max-width:991.98px){.section{padding:64px 0}.section--tight{padding:48px 0}}
.section--paper{background:var(--paper)}
.section--white{background:#fff}
.section-head{max-width:760px;margin-bottom:40px}
.section-head .eyebrow{
  display:inline-block;font-size:13px;font-weight:700;color:var(--brand-ink);
  background:var(--brand-soft);padding:5px 12px;border-radius:999px;margin-bottom:14px;
}
.section-head h2{margin-bottom:14px}
.section-head p{color:var(--text-2);font-size:16.5px;margin:0}

.lead-text{font-size:17px;line-height:1.95;color:var(--text-2);max-width:900px}
.lead-text strong{color:var(--text)}

/* ============ BANNER IMAGE ============ */
.banner{
  position:relative;border-radius:var(--r-img);overflow:hidden;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 38px),calc(100% - 38px) 100%,0 100%);
  box-shadow:var(--sh-2);background:var(--ink);
}
.banner img{width:100%;height:260px;object-fit:cover;opacity:.9}
.banner__cap{
  position:absolute;left:0;right:0;bottom:0;
  padding:26px 28px 30px;color:#fff;
  background:linear-gradient(to top,rgba(14,17,22,.92),rgba(14,17,22,.35) 62%,transparent);
}
.banner__cap h3{color:#fff;margin-bottom:8px}
.banner__cap p{color:rgba(255,255,255,.78);font-size:15px;margin:0;max-width:52em}
@media (max-width:767.98px){
  .banner img{height:190px}
  .banner__cap{padding:20px 18px 24px}
}

/* ============ MATRIX CARDS ============ */
.matrix{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:36px}
.mx-card{
  position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.mx-card::before{
  content:"";position:absolute;left:0;top:24px;bottom:24px;width:3px;border-radius:0 3px 3px 0;
  background:var(--brand);opacity:0;transition:opacity .25s ease;
}
.mx-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(0,214,143,.35)}
.mx-card:hover::before{opacity:1}
.mx-card__no{
  font-size:34px;line-height:1;font-variant-numeric:tabular-nums;font-weight:800;
  color:rgba(0,160,107,.22);letter-spacing:-.02em;margin-bottom:14px;
}
.mx-card h3{margin-bottom:10px}
.mx-card p{color:var(--text-2);font-size:15.5px;margin-bottom:18px}
.mx-card .tagline{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
@media (max-width:767.98px){
  .matrix{grid-template-columns:1fr;gap:16px}
  .mx-card{padding:22px}
}

/* ============ TIMELINE ============ */
.timeline{position:relative;margin-top:40px;padding-left:34px}
.timeline::before{
  content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;background:var(--brand);opacity:.5;
}
.tl-item{position:relative;padding:0 0 34px 0}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-34px;top:7px;width:16px;height:16px;border-radius:50%;
  background:#fff;border:3px solid var(--brand);box-shadow:0 0 0 5px rgba(0,214,143,.12);
}
.tl-item__meta{font-size:13px;font-weight:700;color:var(--brand-ink);letter-spacing:.02em;margin-bottom:6px}
.tl-item h3{margin-bottom:8px;font-size:19px}
.tl-item p{color:var(--text-2);margin:0;font-size:15.5px;max-width:62em}
.tl-card{
  background:var(--card);border:1px solid var(--line);border-radius:14px;
  padding:20px 22px;box-shadow:var(--sh-1);
}

/* ============ GEAR BLOCK ============ */
.gear{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:center}
.gear__img{border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh-2);position:relative}
.gear__img img{width:100%;height:340px;object-fit:cover;transition:transform .45s ease}
.gear__img:hover img{transform:scale(1.04)}
.gear__body h2{margin-bottom:14px}
.gear__body p{color:var(--text-2)}
.gear-list{display:grid;gap:14px;margin:22px 0 26px}
.gear-list li{
  display:flex;gap:14px;align-items:flex-start;background:var(--card);
  border:1px solid var(--line);border-radius:14px;padding:16px 18px;box-shadow:var(--sh-1);
}
.gear-list i{color:var(--brand-ink);font-size:16px;margin-top:5px}
.gear-list strong{display:block;font-size:15.5px;margin-bottom:2px}
.gear-list span{color:var(--text-2);font-size:14.5px;line-height:1.75}
@media (max-width:991.98px){
  .gear{grid-template-columns:1fr;gap:26px}
  .gear__img img{height:250px}
}

/* ============ DATA BAND ============ */
.data-band{background:var(--ink);color:#fff;padding:66px 0}
.data-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.data-cell{padding:6px 26px;border-left:1px solid rgba(255,255,255,.08)}
.data-cell:first-child{border-left:0;padding-left:0}
.data-cell .d-num{
  font-size:clamp(34px,5vw,52px);line-height:1;font-weight:800;color:var(--brand);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.data-cell .d-num small{font-size:18px;margin-left:4px;font-weight:700}
.data-cell .d-label{font-size:14px;color:var(--text-3);margin-top:12px}
@media (max-width:767.98px){
  .data-band{padding:48px 0}
  .data-grid{grid-template-columns:repeat(2,1fr);gap:26px 0}
  .data-cell{padding:0 18px}
  .data-cell:nth-child(3){border-left:0;padding-left:0}
}

/* ============ FAQ ============ */
.faq-x{max-width:920px}
.faq-x .accordion-item{
  background:var(--card);border:1px solid var(--line);border-radius:14px;
  margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-1);
}
.faq-x .accordion-button{
  background:transparent;border:0;box-shadow:none;
  font-size:17px;font-weight:600;color:var(--text);
  padding:20px 56px 20px 22px;line-height:1.6;position:relative;
}
.faq-x .accordion-button:not(.collapsed){color:var(--brand-ink)}
.faq-x .accordion-button:focus{box-shadow:none;outline:none}
.faq-x .accordion-button::after{
  content:"";position:absolute;right:20px;top:50%;margin:0;transform:translateY(-50%);
  width:18px;height:18px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2300A06B' stroke-width='2.4' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:center;background-size:18px 18px;
  transition:transform .28s ease;
}
.faq-x .accordion-button:not(.collapsed)::after{transform:translateY(-50%) rotate(45deg)}
.faq-x .accordion-body{
  padding:0 22px 22px 22px;color:var(--text-2);font-size:15.5px;line-height:1.9;
  border-left:3px solid var(--brand);margin-left:22px;padding-left:18px;
}
@media (max-width:575.98px){
  .faq-x .accordion-button{font-size:15.5px;padding:16px 46px 16px 18px}
  .faq-x .accordion-body{margin-left:18px;padding:0 18px 18px 14px;font-size:15px}
}

/* ============ CTA BAND ============ */
.cta-band{background:var(--ink);color:#fff;padding:58px 0;position:relative;overflow:hidden}
.cta-band::after{
  content:"";position:absolute;right:-60px;bottom:-80px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,43,.24),transparent 68%);
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;position:relative;z-index:2;flex-wrap:wrap}
.cta-inner h2{color:#fff;margin-bottom:8px}
.cta-inner p{color:rgba(255,255,255,.72);margin:0;font-size:15.5px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
@media (max-width:767.98px){
  .cta-band{padding:44px 0}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn-main,.cta-actions .btn-ghost{width:100%}
}

/* ============ FORM / MODAL ============ */
.modal-content{border:0;border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh-3)}
.modal-header{background:var(--ink);border-bottom:2px solid var(--brand);padding:18px 24px}
.modal-title{color:#fff;font-size:19px;font-weight:700}
.modal-header .btn-close{
  filter:invert(1) grayscale(1) brightness(2);opacity:.85;box-shadow:none;
}
.modal-body{padding:24px;background:#fff}
.modal-dialog{max-width:560px}
@media (max-width:575.98px){.modal-dialog{max-width:92vw;margin-left:auto;margin-right:auto}}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-grid .full{grid-column:1 / -1}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:7px;color:var(--text)}
.field .form-control,.field .form-select{
  height:48px;border:1px solid var(--line);border-radius:var(--r-btn);
  font-size:15px;color:var(--text);background-color:#fff;padding:0 14px;box-shadow:none;
}
.field textarea.form-control{height:auto;min-height:96px;padding:12px 14px;line-height:1.8;resize:vertical}
.field .form-control:focus,.field .form-select:focus{
  border-color:var(--brand);box-shadow:0 0 0 3px rgba(0,214,143,.15);
}
.form-check-x{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--text-3);line-height:1.7}
.form-check-x input{
  appearance:none;width:18px;height:18px;flex:0 0 18px;margin-top:3px;
  border:1px solid var(--line);border-radius:5px;background:#fff;cursor:pointer;position:relative;
}
.form-check-x input:checked{background:var(--brand);border-color:var(--brand)}
.form-check-x input:checked::after{
  content:"";position:absolute;left:5px;top:2px;width:6px;height:10px;
  border:2px solid #fff;border-top:0;border-left:0;transform:rotate(42deg);
}
@media (max-width:575.98px){.form-grid{grid-template-columns:1fr}}

/* ============ FOOTER ============ */
.site-footer{background:var(--ink);color:#fff;padding:64px 0 26px;border-top:1px solid rgba(255,255,255,.1)}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.foot-brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#fff}
.foot-brand:hover{color:#fff}
.foot-desc{color:rgba(255,255,255,.6);font-size:14.5px;line-height:1.85;margin-top:16px;max-width:34em}
.foot-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.foot-links li,.foot-contact li{margin-bottom:10px;font-size:14.5px}
.foot-links a{color:rgba(255,255,255,.72)}
.foot-links a:hover{color:var(--brand)}
.foot-contact li{color:rgba(255,255,255,.62);line-height:1.7}
.foot-contact strong{color:#fff;font-weight:600}
.foot-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.foot-bottom a{color:rgba(255,255,255,.7)}
.foot-bottom a:hover{color:var(--brand)}
@media (max-width:991.98px){.foot-grid{grid-template-columns:1fr 1fr;gap:28px}}
@media (max-width:575.98px){.foot-grid{grid-template-columns:1fr}}

/* roulang page: category1 */
:root{
  --brand:#00D68F;
  --brand-ink:#00A06B;
  --brand-soft:rgba(0,214,143,.08);
  --accent:#FF6A2B;
  --accent-h:#F45E1E;
  --ink:#0E1116;
  --ink-2:#1B222B;
  --paper:#F4F6F4;
  --card:#FFFFFF;
  --line:#E1E7E3;
  --text:#14181D;
  --text-2:#5C6670;
  --text-3:#8A949C;
  --danger:#E5484D;
  --r-card:16px;
  --r-img:20px;
  --r-btn:12px;
  --sh-1:0 1px 2px rgba(14,17,22,.06),0 2px 8px rgba(14,17,22,.05);
  --sh-2:0 8px 24px rgba(14,17,22,.08);
  --sh-3:0 18px 48px rgba(14,17,22,.14);
  --glow:0 8px 22px rgba(0,214,143,.28);
  --bs-primary:#00D68F;
  --bs-body-color:#14181D;
  --bs-link-color:#00A06B;
  --bs-border-radius:12px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-ink)}
button{font:inherit;border:0;background:none;cursor:pointer;color:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;font-weight:700}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

.site-wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media (min-width:992px){.site-wrap{padding:0 32px}}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:var(--ink);border-bottom:1px solid rgba(255,255,255,.06)}
.site-header.is-scrolled{box-shadow:var(--sh-2)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:19px;letter-spacing:-.01em}
.logo:hover{color:#fff}
.logo__mark{position:relative;width:20px;height:20px;border-radius:6px;background:linear-gradient(135deg,var(--brand),#00b377);box-shadow:0 0 0 4px rgba(0,214,143,.14);flex:none}
.logo__mark::after{content:"";position:absolute;inset:6px;background:var(--ink);border-radius:2px}
.nav-toggle{display:inline-flex;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;border-radius:12px;align-items:center}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:#fff;transition:transform .25s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-list{display:flex;align-items:center;gap:28px}
.nav-link-x{position:relative;display:inline-block;font-size:15px;font-weight:600;color:rgba(255,255,255,.78);padding:6px 8px;border-radius:8px}
.nav-link-x:hover{color:#fff;background:rgba(0,214,143,.08)}
.nav-link-x.is-active{color:#fff}
.nav-link-x.is-active::after{content:"";position:absolute;left:50%;bottom:-4px;transform:translateX(-50%);width:18px;height:3px;border-radius:3px;background:var(--brand)}

.btn-main,.btn-line,.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;border-radius:var(--r-btn);transition:all .22s ease;white-space:nowrap}
.btn-main{background:var(--accent);color:#fff;padding:13px 26px;font-size:15px;box-shadow:0 2px 10px rgba(255,106,43,.24)}
.btn-main:hover{background:var(--accent-h);color:#fff;transform:translateY(-2px);box-shadow:var(--glow)}
.btn-main:active{transform:translateY(0) scale(.985)}
.btn-line{background:#fff;color:var(--text);border:1px solid var(--line);padding:12px 24px;font-size:15px}
.btn-line:hover{border-color:var(--brand);background:var(--brand-soft);color:var(--brand-ink);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.32);padding:12px 24px;font-size:15px}
.btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff;transform:translateY(-2px)}
.btn-block{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:700;color:var(--brand-ink)}
.link-arrow i{transition:transform .22s ease}
.link-arrow:hover{color:var(--text)}
.link-arrow:hover i{transform:translateX(4px)}

.badge-soft{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px;background:var(--brand-soft);color:var(--brand-ink)}
.badge-dark{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;padding:5px 12px;border-radius:999px;background:rgba(255,255,255,.12);color:#fff}

/* ---------- page hero ---------- */
.page-hero{position:relative;background:var(--ink);color:#fff;overflow:hidden;padding:56px 0 60px}
.page-hero__bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;opacity:.34}
.page-hero__veil{position:absolute;inset:0;background:linear-gradient(90deg,rgba(14,17,22,.95) 0%,rgba(14,17,22,.78) 52%,rgba(14,17,22,.38) 100%)}
.page-hero__inner{position:relative;z-index:2;max-width:860px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.6);margin-bottom:20px}
.crumb a{color:rgba(255,255,255,.6)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{opacity:.5}
.crumb .now{color:#fff}
.page-hero h1{font-size:clamp(28px,4.2vw,44px);line-height:1.25;font-weight:800;margin-bottom:16px}
.page-hero .hero-lead{font-size:16.5px;line-height:1.9;color:rgba(255,255,255,.82);max-width:720px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-chips{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.chip{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:14px;padding:14px 18px;min-width:150px}
.chip .num{font-size:24px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.2}
.chip .lab{font-size:13px;color:var(--text-3);line-height:1.6}
.hero-rule{position:absolute;left:0;right:0;bottom:0;height:2px;background:linear-gradient(90deg,var(--brand),rgba(0,214,143,0) 70%);z-index:2}

/* ---------- layout ---------- */
.layout{display:grid;grid-template-columns:1fr;gap:32px;padding:56px 0 24px}
@media (min-width:992px){
  .layout{grid-template-columns:248px minmax(0,1fr);gap:48px;padding:88px 0 32px}
}
.side-nav{align-self:start}
@media (min-width:992px){
  .side-nav{position:sticky;top:96px}
}
.side-nav__title{font-size:13px;font-weight:700;letter-spacing:.04em;color:var(--text-3);margin-bottom:12px}
.side-nav ul{display:flex;flex-wrap:wrap;gap:6px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:10px;box-shadow:var(--sh-1)}
@media (min-width:992px){
  .side-nav ul{flex-direction:column;flex-wrap:nowrap;padding:10px}
}
.side-nav a{display:block;padding:10px 14px;border-radius:10px;font-size:14.5px;font-weight:600;color:var(--text-2);border-left:3px solid transparent}
.side-nav a:hover{background:var(--brand-soft);color:var(--brand-ink)}
.side-nav a.is-current{background:var(--brand-soft);color:var(--brand-ink);border-left-color:var(--brand)}
.side-note{margin-top:20px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1)}
.side-note h3{font-size:16px;margin-bottom:8px}
.side-note p{font-size:14px;color:var(--text-2);margin-bottom:14px;line-height:1.8}

.block{margin-bottom:64px}
.block:last-child{margin-bottom:0}
.block-title{position:relative;font-size:clamp(22px,3vw,30px);font-weight:700;line-height:1.3;padding-left:16px;margin-bottom:14px}
.block-title::before{content:"";position:absolute;left:0;top:.3em;bottom:.3em;width:4px;border-radius:3px;background:var(--brand)}
.block-lead{font-size:15.5px;color:var(--text-2);max-width:760px;margin-bottom:26px}

/* wide feature card */
.wide-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1)}
.wide-card__media{position:relative;overflow:hidden}
.wide-card__media img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;transition:transform .45s ease}
.wide-card:hover .wide-card__media img{transform:scale(1.03)}
.wide-card__media::after{content:"";position:absolute;right:0;bottom:0;width:0;height:0;border-style:solid;border-width:0 0 58px 58px;border-color:transparent transparent var(--brand) transparent;opacity:.92}
.wide-card__media .tag-on{position:absolute;left:18px;bottom:18px;z-index:2}
.wide-card__body{padding:26px 28px 28px}
.wide-card__body h3{font-size:20px;margin-bottom:12px}
.wide-card__body p{font-size:15.5px;color:var(--text-2);line-height:1.9;margin-bottom:16px}
.point-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px}
.point-row span{font-size:13.5px;font-weight:600;color:var(--brand-ink);background:var(--brand-soft);border-radius:999px;padding:6px 14px}

/* alternating rows */
.alt-row{display:grid;grid-template-columns:1fr;gap:24px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1);margin-bottom:24px}
.alt-row:last-child{margin-bottom:0}
@media (min-width:768px){
  .alt-row{grid-template-columns:1fr 1fr;gap:32px;padding:26px}
  .alt-row.is-flip .alt-row__media{order:2}
}
.alt-row__media{position:relative;border-radius:var(--r-img);overflow:hidden}
.alt-row__media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .45s ease}
.alt-row:hover .alt-row__media img{transform:scale(1.04)}
.alt-row__body h3{font-size:20px;margin-bottom:12px}
.alt-row__body p{font-size:15px;color:var(--text-2);line-height:1.9;margin-bottom:14px}
.tick-list li{position:relative;padding-left:26px;font-size:14.5px;color:var(--text-2);line-height:1.85;margin-bottom:8px}
.tick-list li::before{content:"";position:absolute;left:0;top:.62em;width:14px;height:8px;border-left:2px solid var(--brand);border-bottom:2px solid var(--brand);transform:rotate(-45deg)}

/* data band */
.data-band{background:var(--ink);border-radius:var(--r-card);padding:34px 26px;color:#fff}
.data-band h3{font-size:18px;color:#fff;margin-bottom:6px}
.data-band .data-sub{font-size:14px;color:var(--text-3);margin-bottom:24px}
.data-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
@media (min-width:768px){
  .data-grid{grid-template-columns:repeat(4,1fr);gap:0}
  .data-cell{padding:0 22px;border-left:1px solid rgba(255,255,255,.08)}
  .data-cell:first-child{border-left:0;padding-left:0}
}
.data-cell .num{font-size:clamp(34px,5vw,48px);font-weight:800;line-height:1;color:var(--brand);font-variant-numeric:tabular-nums}
.data-cell .num small{font-size:16px;font-weight:700;margin-left:4px}
.data-cell .lab{font-size:13.5px;color:var(--text-3);margin-top:8px;line-height:1.7}

/* steps */
.steps{border-top:1px solid var(--line)}
.step{display:grid;grid-template-columns:52px 1fr;gap:16px;padding:20px 0;border-bottom:1px solid var(--line)}
.step .idx{font-size:22px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.4}
.step h4{font-size:16.5px;font-weight:700;margin-bottom:4px}
.step p{font-size:14.5px;color:var(--text-2);margin:0;line-height:1.85}

/* faq */
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-1);transition:border-color .2s ease}
.faq-item:hover{border-color:rgba(0,214,143,.35)}
.faq-btn{display:flex;align-items:center;justify-content:space-between;gap:14px;width:100%;text-align:left;padding:18px 20px;font-size:17px;font-weight:600;color:var(--text)}
.faq-btn:focus{box-shadow:none;outline:none}
.faq-btn:focus-visible{outline:2px solid var(--brand);outline-offset:-2px}
.faq-ico{position:relative;flex:none;width:20px;height:20px;transition:transform .25s ease}
.faq-ico::before,.faq-ico::after{content:"";position:absolute;background:var(--brand-ink);border-radius:2px}
.faq-ico::before{left:0;top:9px;width:20px;height:2px}
.faq-ico::after{left:9px;top:0;width:2px;height:20px}
.faq-btn[aria-expanded="true"] .faq-ico{transform:rotate(45deg)}
.faq-body{padding:0 20px 20px;font-size:15.5px;line-height:1.9;color:var(--text-2);border-left:3px solid transparent}
.faq-item:has(.faq-btn[aria-expanded="true"]){border-color:rgba(0,214,143,.4)}
.faq-item:has(.faq-btn[aria-expanded="true"]) .faq-body{border-left-color:var(--brand);padding-left:17px;margin-left:0}
.faq-body p:last-child{margin-bottom:0}

/* cta band */
.cta-band{background:var(--ink);color:#fff;border-radius:var(--r-card);padding:38px 28px;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;right:-40px;top:-40px;width:220px;height:220px;border-radius:50%;background:radial-gradient(circle,rgba(0,214,143,.22),rgba(0,214,143,0) 68%)}
.cta-band h2{position:relative;font-size:clamp(21px,2.6vw,28px);margin-bottom:10px}
.cta-band p{position:relative;font-size:15px;color:rgba(255,255,255,.72);max-width:620px;margin-bottom:22px}
.cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:12px}

/* footer */
.site-footer{background:var(--ink);color:#fff;margin-top:88px;padding:56px 0 26px;border-top:1px solid rgba(255,255,255,.1)}
.foot-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:768px){.foot-grid{grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:28px}}
.foot-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:18px;margin-bottom:12px}
.foot-brand:hover{color:var(--brand)}
.foot-desc{font-size:14px;color:rgba(255,255,255,.66);line-height:1.85;max-width:300px;margin:0}
.foot-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px}
.foot-links li{margin-bottom:10px}
.foot-links a{font-size:14px;color:rgba(255,255,255,.72)}
.foot-links a:hover{color:var(--brand)}
.foot-contact li{font-size:14px;color:rgba(255,255,255,.66);margin-bottom:10px}
.foot-contact strong{color:#fff;font-weight:600}
.foot-bottom{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:var(--text-3)}
.foot-bottom a{color:var(--text-3)}
.foot-bottom a:hover{color:var(--brand)}

/* modal & form */
.modal-content{border:0;border-radius:20px;overflow:hidden;background:#fff}
.modal-header{background:var(--ink);color:#fff;border-bottom:2px solid var(--brand);padding:18px 22px}
.modal-title{font-size:17px;font-weight:700}
.modal-header .btn-close{filter:invert(1) grayscale(1);opacity:.8}
.modal-body{padding:22px}
.modal-backdrop.show{opacity:.62}
.form-label{font-size:14px;font-weight:600;color:var(--text);margin-bottom:6px}
.form-control,.form-select{height:48px;border-radius:12px;border:1px solid var(--line);font-size:15px;color:var(--text);padding:0 14px;background:#fff}
textarea.form-control{height:auto;padding:12px 14px;line-height:1.8}
.form-control:focus,.form-select:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(0,214,143,.15)}
.form-control::placeholder{color:var(--text-3)}
.check-line{display:flex;align-items:flex-start;gap:10px;margin-top:14px}
.check-line input{appearance:none;width:18px;height:18px;flex:none;margin-top:4px;border:1px solid var(--line);border-radius:5px;background:#fff;position:relative;cursor:pointer}
.check-line input:checked{background:var(--brand);border-color:var(--brand)}
.check-line input:checked::after{content:"";position:absolute;left:6px;top:2px;width:5px;height:10px;border-right:2px solid #fff;border-bottom:2px solid #fff;transform:rotate(45deg)}
.check-line label{font-size:12.5px;color:var(--text-3);line-height:1.7}

@media (max-width:991.98px){
  .nav-toggle{display:inline-flex}
  .nav-panel.collapse{display:none}
  .nav-panel.collapse.show{display:block}
  .nav-panel,.nav-panel.collapsing{position:absolute;top:78px;left:20px;right:20px;background:#fff;border-radius:16px;box-shadow:var(--sh-3);padding:10px;overflow:hidden}
  .nav-list{flex-direction:column;align-items:stretch;gap:0}
  .nav-link-x{display:block;height:48px;line-height:48px;padding:0 14px;color:var(--text);border-bottom:1px solid var(--line);border-radius:0}
  .nav-link-x:hover{background:var(--brand-soft);color:var(--brand-ink)}
  .nav-link-x.is-active{color:var(--brand-ink)}
  .nav-link-x.is-active::after{display:none}
  .nav-list li:last-child .nav-link-x{border-bottom:0}
  .nav-cta{width:100%;margin-top:10px}
}
@media (min-width:992px){
  .nav-toggle{display:none}
  .nav-panel.collapse{display:flex !important;align-items:center;gap:28px;position:static;background:none;box-shadow:none;padding:0;overflow:visible}
  .nav-panel.collapsing{display:flex;align-items:center;gap:28px}
}
@media (max-width:575.98px){
  .page-hero{padding:40px 0 46px}
  .chip{flex:1 1 100%}
  .cta-actions .btn-main,.cta-actions .btn-ghost{width:100%}
  .data-band{padding:26px 20px}
}