/* roulang page: index */
:root{
  --ink:#12332F;
  --ink-2:#1E4D44;
  --celadon:#2F7A68;
  --copper:#BE8A45;
  --sand:#F6F3EC;
  --surface:#FFFFFF;
  --line:#E5DFD3;
  --text:#1A2320;
  --text-2:#5B6663;
  --text-3:#8A938F;
  --ok:#3F7D5A;
  --warn:#A65A3E;
  --r-card:12px;
  --r-btn:8px;
  --shadow-sm:0 1px 2px rgba(18,51,47,.06);
  --shadow-md:0 10px 28px -14px rgba(18,51,47,.20);
  --bs-primary:#12332F;
  --bs-body-color:#1A2320;
  --bs-body-bg:#F6F3EC;
  --bs-border-color:#E5DFD3;
  --bs-link-color:#2F7A68;
  --bs-link-hover-color:#12332F;
  --bs-font-sans-serif:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--sand);
  padding-bottom:0;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
a{color:var(--celadon);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--ink);}
img{max-width:100%;display:block;}
button,input,textarea,select{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--copper);outline-offset:2px;}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.num{font-variant-numeric:tabular-nums;font-family:"DIN Alternate","Helvetica Neue",Arial,sans-serif;}
.sec-head{margin-bottom:32px;display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.sec-head h2{font-size:28px;line-height:1.35;font-weight:700;color:var(--ink);letter-spacing:.2px;}
.sec-head p{font-size:15px;color:var(--text-2);margin-top:10px;max-width:640px;}
.sec-title-bar{position:relative;padding-left:16px;}
.sec-title-bar::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;border-radius:2px;background:var(--copper);}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-stuck{box-shadow:var(--shadow-sm);}
.nav-wrap{
  height:68px;display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{
  display:inline-flex;align-items:center;gap:8px;
  font-size:18px;font-weight:700;color:var(--ink);letter-spacing:.4px;white-space:nowrap;
}
.brand:hover{color:var(--ink);}
.brand .dot{width:6px;height:6px;border-radius:50%;background:var(--copper);display:inline-block;}
.nav-main{display:flex;align-items:center;gap:6px;}
.nav-main a{
  position:relative;display:inline-block;
  padding:8px 14px;font-size:15px;color:var(--text-2);font-weight:500;border-radius:6px;
  transition:color .18s ease,background .18s ease;
}
.nav-main a:hover{color:var(--ink);background:rgba(47,122,104,.06);}
.nav-main a.active{color:var(--ink);font-weight:700;}
.nav-main a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:-2px;height:2px;background:var(--copper);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:12px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;font-size:15px;font-weight:600;line-height:1.2;
  border-radius:var(--r-btn);border:1px solid transparent;cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-primary-x{background:var(--ink);color:#fff;border-color:var(--ink);}
.btn-primary-x:hover{background:var(--ink-2);border-color:var(--ink-2);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-md);}
.btn-ghost{background:var(--surface);color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--ink);color:var(--ink);transform:translateY(-1px);}
.btn-light-x{background:#fff;color:var(--ink);border-color:#fff;}
.btn-light-x:hover{background:var(--sand);color:var(--ink);border-color:var(--sand);transform:translateY(-1px);}
.btn-outline-light-x{background:transparent;color:#fff;border-color:rgba(255,255,255,.45);}
.btn-outline-light-x:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--celadon);font-weight:600;font-size:15px;}
.link-arrow .ar{transition:transform .18s ease;}
.link-arrow:hover{color:var(--ink);}
.link-arrow:hover .ar{transform:translateX(3px);}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  background-image:linear-gradient(90deg,rgba(18,51,47,.88),rgba(18,51,47,.56)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  color:#fff;
  padding:88px 0 80px;
}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:56px;align-items:center;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;font-size:13px;letter-spacing:.5px;
  background:rgba(255,255,255,.14);color:#F2EFE7;border:1px solid rgba(255,255,255,.22);
}
.hero h1{
  font-size:40px;line-height:1.24;font-weight:700;margin:22px 0 18px;letter-spacing:.3px;
}
.hero .lead{font-size:18px;line-height:1.7;color:#E7E3D9;max-width:560px;}
.hero .desc{font-size:15px;line-height:1.8;color:rgba(255,255,255,.78);margin-top:14px;max-width:540px;}
.hero-cta{display:flex;align-items:center;gap:18px;margin-top:32px;flex-wrap:wrap;}
.hero-cta .link-arrow{color:#E9D7B8;}
.hero-cta .link-arrow:hover{color:#fff;}
.hero-mini{display:flex;gap:36px;margin-top:44px;flex-wrap:wrap;}
.hero-mini .m-num{font-size:30px;font-weight:700;color:#fff;letter-spacing:.5px;}
.hero-mini .m-label{font-size:13px;color:rgba(255,255,255,.72);margin-top:4px;}
/* 票券式信息卡 */
.ticket{
  background:var(--surface);color:var(--text);border-radius:var(--r-card);
  box-shadow:0 24px 60px -30px rgba(0,0,0,.55);
  overflow:hidden;position:relative;
}
.ticket-head{padding:26px 26px 20px;background:var(--sand);border-bottom:1px dashed var(--line);}
.ticket-head .t-label{font-size:13px;color:var(--text-3);letter-spacing:1px;}
.ticket-head .t-title{font-size:20px;font-weight:700;color:var(--ink);margin-top:6px;}
.ticket-body{padding:22px 26px;}
.ticket-row{display:flex;align-items:center;justify-content:space-between;padding:11px 0;border-bottom:1px solid var(--line);font-size:14px;}
.ticket-row:last-child{border-bottom:none;}
.ticket-row .k{color:var(--text-2);}
.ticket-row .v{color:var(--ink);font-weight:600;}
.ticket-foot{padding:16px 26px 24px;}
.ticket-foot .btn{width:100%;}
.ticket::before,.ticket::after{
  content:"";position:absolute;width:22px;height:22px;border-radius:50%;background:var(--sand);
  left:-11px;top:calc(50% - 11px);
}
.ticket::after{left:auto;right:-11px;}

/* ---------- 数据看板 ---------- */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.stat-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--shadow-sm);
  transition:transform .18s ease,box-shadow .18s ease;
}
.stat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);}
.stat-card .s-num{font-size:44px;line-height:1.1;font-weight:700;color:var(--ink);letter-spacing:.5px;}
.stat-card .s-num small{font-size:18px;font-weight:600;margin-left:2px;color:var(--celadon);}
.stat-card .s-name{font-size:15px;font-weight:600;color:var(--text);margin-top:12px;}
.stat-card .s-note{font-size:13px;color:var(--text-3);margin-top:6px;line-height:1.6;}
.badge-x{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:999px;font-size:12px;font-weight:600;
  background:rgba(47,122,104,.10);color:var(--celadon);
}
.badge-x.warn{background:rgba(166,90,62,.10);color:var(--warn);}
.badge-x.copper{background:rgba(190,138,69,.12);color:#8C6326;}
.badge-x.soft{background:var(--sand);color:var(--text-2);}

/* ---------- Bento 服务矩阵 ---------- */
.bento{display:grid;grid-template-columns:1.05fr 1fr;gap:24px;align-items:stretch;}
.bento-big{display:grid;gap:24px;}
.big-card{
  display:grid;grid-template-columns:170px 1fr;gap:0;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.big-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:#D8D0BF;}
.big-card .thumb{background:var(--sand);height:100%;min-height:168px;}
.big-card .thumb img{width:100%;height:100%;object-fit:cover;}
.big-card .body{padding:22px 24px;display:flex;flex-direction:column;justify-content:center;}
.big-card h3{font-size:20px;font-weight:700;color:var(--ink);line-height:1.45;}
.big-card p{font-size:14px;color:var(--text-2);line-height:1.75;margin-top:10px;}
.big-card .link-arrow{margin-top:14px;font-size:14px;}
.bento-list{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-sm);padding:6px 24px;
}
.mini-item{display:flex;gap:16px;padding:20px 0;border-bottom:1px solid var(--line);}
.mini-item:last-child{border-bottom:none;}
.mini-ico{
  flex:none;width:42px;height:42px;border-radius:10px;
  background:rgba(47,122,104,.08);color:var(--celadon);
  display:flex;align-items:center;justify-content:center;font-size:18px;
}
.mini-item h3{font-size:16px;font-weight:600;color:var(--ink);line-height:1.5;}
.mini-item p{font-size:13px;color:var(--text-2);line-height:1.65;margin-top:4px;}

/* ---------- 时间线 ---------- */
.timeline-wrap{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:40px 32px;box-shadow:var(--shadow-sm);}
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;}
.timeline::before{
  content:"";position:absolute;left:6%;right:6%;top:17px;height:2px;
  background:repeating-linear-gradient(90deg,var(--line) 0 8px,transparent 8px 16px);
}
.tl-item{position:relative;text-align:center;}
.tl-dot{
  width:36px;height:36px;border-radius:50%;margin:0 auto 16px;
  background:var(--ink);color:#fff;font-size:14px;font-weight:700;
  display:flex;align-items:center;justify-content:center;position:relative;z-index:1;
}
.tl-item h3{font-size:16px;font-weight:600;color:var(--ink);}
.tl-item p{font-size:13px;color:var(--text-2);line-height:1.7;margin-top:8px;}

/* ---------- 对比区 ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:32px;position:relative;}
.compare::before{
  content:"";position:absolute;left:50%;top:12px;bottom:12px;width:0;
  border-left:2px dashed var(--line);transform:translateX(-50%);
}
.cmp-col{border-radius:var(--r-card);padding:32px 28px;position:relative;}
.cmp-before{background:var(--sand);border:1px solid var(--line);}
.cmp-after{background:var(--surface);border:1px solid var(--line);border-top:3px solid var(--copper);box-shadow:var(--shadow-sm);}
.cmp-col h3{font-size:19px;font-weight:700;color:var(--ink);margin-bottom:8px;}
.cmp-col .cmp-sub{font-size:13px;color:var(--text-3);margin-bottom:20px;}
.cmp-list li{display:flex;gap:12px;font-size:15px;line-height:1.7;padding:11px 0;border-bottom:1px solid rgba(18,51,47,.07);color:var(--text-2);}
.cmp-list li:last-child{border-bottom:none;}
.cmp-list .mk{flex:none;width:20px;height:20px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:11px;margin-top:3px;}
.cmp-before .mk{background:rgba(166,90,62,.12);color:var(--warn);}
.cmp-after .mk{background:rgba(47,122,104,.12);color:var(--celadon);}
.cmp-conclusion{
  margin-top:32px;background:var(--ink);color:#fff;border-radius:var(--r-card);
  padding:28px 32px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.cmp-conclusion p{font-size:16px;line-height:1.7;color:#EDEAE1;}
.cmp-conclusion strong{color:#fff;}

/* ---------- 资讯卡片 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow-sm);height:100%;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:#D8D0BF;}
.news-card:hover h3{color:var(--celadon);}
.news-thumb{aspect-ratio:16/10;background:var(--sand);overflow:hidden;}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-body{padding:20px 22px 0;display:flex;flex-direction:column;flex:1;}
.news-body h3{
  font-size:17px;font-weight:600;line-height:1.55;color:var(--ink);margin-top:12px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .18s ease;
}
.news-body p{
  font-size:14px;color:var(--text-2);line-height:1.7;margin-top:10px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;flex:1;
}
.news-meta{
  margin-top:18px;padding:14px 0;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}
.news-meta .ar{color:var(--celadon);font-weight:700;transition:transform .18s ease;}
.news-card:hover .news-meta .ar{transform:translateX(3px);}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-card);
  padding:56px 24px;text-align:center;background:rgba(255,255,255,.6);
}
.empty-state .es-ico{font-size:30px;color:var(--text-3);}
.empty-state p{font-size:15px;color:var(--text-2);margin:14px 0 20px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;}
.accordion-x .accordion-item{
  background:var(--surface);border:1px solid var(--line);border-radius:10px;
  margin-bottom:10px;overflow:hidden;
}
.accordion-x .accordion-button{
  background:transparent;color:var(--ink);font-size:17px;font-weight:500;
  padding:18px 56px 18px 22px;box-shadow:none;border:none;line-height:1.5;
}
.accordion-x .accordion-button:not(.collapsed){color:var(--ink);background:rgba(190,138,69,.06);}
.accordion-x .accordion-button:focus{box-shadow:none;border-color:transparent;}
.accordion-x .accordion-button::after{
  width:16px;height:16px;background-size:16px;margin-left:auto;position:absolute;right:22px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='%2312332F' d='M8 1a1 1 0 0 1 1 1v5h5a1 1 0 1 1 0 2H9v5a1 1 0 1 1-2 0V9H2a1 1 0 0 1 0-2h5V2a1 1 0 0 1 1-1z'/%3E%3C/svg%3E");
}
.accordion-x .accordion-button:not(.collapsed)::after{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='%23BE8A45' d='M2 7h12a1 1 0 1 1 0 2H2a1 1 0 1 1 0-2z'/%3E%3C/svg%3E");
}
.accordion-x .accordion-item:has(.accordion-button:not(.collapsed)){
  border-left:3px solid var(--copper);
}
.accordion-x .accordion-body{font-size:15px;line-height:1.85;color:var(--text-2);padding:4px 22px 22px;}

/* ---------- 表单 ---------- */
.form-section{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.form-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:start;}
.form-card{background:var(--sand);border:1px solid var(--line);border-radius:var(--r-card);padding:36px;}
.form-card h2{font-size:26px;font-weight:700;color:var(--ink);line-height:1.35;}
.form-card .sub{font-size:14px;color:var(--text-2);margin-top:10px;margin-bottom:26px;}
.fld{margin-bottom:18px;}
.fld label{display:block;font-size:14px;color:var(--text-2);margin-bottom:8px;}
.fld .req{color:var(--copper);margin-left:2px;}
.form-control-x{
  width:100%;height:44px;padding:0 14px;background:var(--surface);
  border:1px solid var(--line);border-radius:8px;color:var(--text);
  transition:border-color .18s ease,box-shadow .18s ease;
}
textarea.form-control-x{height:110px;padding:12px 14px;resize:vertical;line-height:1.7;}
.form-control-x:focus{outline:none;border-color:var(--celadon);box-shadow:0 0 0 4px rgba(47,122,104,.12);}
.form-control-x::placeholder{color:var(--text-3);}
.form-note{font-size:13px;color:var(--text-3);margin-top:14px;line-height:1.7;}
.form-msg{display:none;margin-top:16px;padding:12px 16px;border-radius:8px;background:rgba(63,125,90,.10);color:var(--ok);font-size:14px;}
.form-msg.show{display:block;}
.form-side{display:flex;flex-direction:column;gap:20px;}
.form-side .fs-head{font-size:20px;font-weight:700;color:var(--ink);}
.form-side .fs-item{display:flex;gap:14px;align-items:flex-start;background:var(--sand);border:1px solid var(--line);border-radius:var(--r-card);padding:18px 20px;}
.form-side .fs-ico{flex:none;width:36px;height:36px;border-radius:9px;background:rgba(47,122,104,.10);color:var(--celadon);display:flex;align-items:center;justify-content:center;font-size:16px;}
.form-side .fs-item p{font-size:15px;color:var(--text);font-weight:600;line-height:1.5;}
.form-side .fs-item span{display:block;font-size:13px;color:var(--text-2);font-weight:400;margin-top:4px;line-height:1.65;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand{
  font-size:18px;font-weight:700;color:#fff;letter-spacing:.4px;display:flex;align-items:center;gap:8px;
}
.footer-brand .dot{width:6px;height:6px;border-radius:50%;background:var(--copper);}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);margin-top:16px;max-width:300px;}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.6px;}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.68);padding:6px 0;transition:color .18s ease;}
.footer-col a:hover{color:var(--copper);}
.footer-col .fi{font-size:14px;color:rgba(255,255,255,.68);padding:6px 0;line-height:1.7;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 移动底部 Tab ---------- */
.mobile-tab{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:1040;
  background:var(--surface);border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
  box-shadow:0 -2px 12px rgba(18,51,47,.06);
}
.mobile-tab ul{display:flex;height:56px;}
.mobile-tab li{flex:1;}
.mobile-tab a{
  position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;
  height:100%;gap:2px;font-size:10px;color:var(--text-3);transition:color .18s ease;
}
.mobile-tab a .ti{font-size:18px;line-height:1;}
.mobile-tab a.active{color:var(--celadon);font-weight:600;}
.mobile-tab a.active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:22px;height:3px;border-radius:0 0 3px 3px;background:var(--copper);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .hero h1{font-size:36px;}
  .footer-grid{grid-template-columns:1.3fr 1fr 1fr;gap:32px;}
}
@media (max-width:991.98px){
  .nav-main{display:none;}
  .nav-actions .btn{display:none;}
  .mobile-tab{display:block;}
  body{padding-bottom:calc(56px + env(safe-area-inset-bottom));}
  .section{padding:56px 0;}
  .section-tight{padding:48px 0;}
  .hero{padding:56px 0 56px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero h1{font-size:28px;line-height:1.3;}
  .hero .lead{font-size:16px;}
  .hero-mini{gap:24px;margin-top:32px;}
  .hero-mini .m-num{font-size:24px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:14px;}
  .stat-card{padding:20px 18px;}
  .stat-card .s-num{font-size:34px;}
  .bento{grid-template-columns:1fr;}
  .big-card{grid-template-columns:132px 1fr;}
  .timeline{grid-template-columns:repeat(2,1fr);gap:28px 20px;}
  .timeline::before{display:none;}
  .timeline-wrap{padding:28px 22px;}
  .compare{grid-template-columns:1fr;gap:20px;}
  .compare::before{display:none;}
  .cmp-col{padding:24px 20px;}
  .news-grid{grid-template-columns:repeat(2,1fr);gap:18px;}
  .form-grid{grid-template-columns:1fr;gap:36px;}
  .form-card{padding:26px 20px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding-bottom:36px;}
  .site-footer{padding-top:48px;}
  .sec-head h2{font-size:23px;}
}
@media (max-width:575.98px){
  .container-x{padding:0 16px;}
  .news-grid{grid-template-columns:1fr;}
  .stats-grid{grid-template-columns:1fr 1fr;}
  .big-card{grid-template-columns:1fr;}
  .big-card .thumb{min-height:0;aspect-ratio:16/9;}
  .hero-cta{gap:12px;}
  .hero-cta .btn{width:100%;}
  .cmp-conclusion{padding:22px 18px;}
  .cmp-conclusion .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{justify-content:flex-start;}
  .brand{font-size:16px;}
}

/* roulang page: article */
:root{
  --ink:#12332F;
  --ink-2:#1E4D44;
  --celadon:#2F7A68;
  --copper:#BE8A45;
  --sand:#F6F3EC;
  --surface:#FFFFFF;
  --line:#E5DFD3;
  --text:#1A2320;
  --text-2:#5B6663;
  --text-3:#8A938F;
  --ok:#3F7D5A;
  --warn:#A65A3E;
  --shadow-sm:0 1px 2px rgba(18,51,47,.06);
  --shadow-md:0 10px 28px -14px rgba(18,51,47,.20);
  --r-card:12px;
  --r-btn:8px;
  --r-pill:999px;
  --bs-primary:#12332F;
  --bs-body-color:#1A2320;
  --bs-body-bg:#F6F3EC;
  --bs-border-color:#E5DFD3;
  --bs-link-color:#2F7A68;
  --bs-link-hover-color:#1E4D44;
  --bs-font-sans-serif:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--celadon);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--ink-2);}
button,input,textarea,select{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--copper);outline-offset:2px;}
h1,h2,h3,h4,h5{margin:0;font-weight:700;color:var(--ink);letter-spacing:.2px;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
.num{font-family:"DIN Alternate","Helvetica Neue",Arial,sans-serif;font-variant-numeric:tabular-nums;}

/* ============ 容器 ============ */
.container-x{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-stuck{box-shadow:var(--shadow-sm);}
.nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:68px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:17px;
  font-weight:700;
  color:var(--ink);
  letter-spacing:.4px;
  white-space:nowrap;
  flex:0 0 auto;
}
.brand:hover{color:var(--ink-2);}
.brand .dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--copper);
  display:inline-block;
}
.nav-main{
  display:flex;
  align-items:center;
  gap:6px;
  flex:1 1 auto;
  justify-content:center;
}
.nav-main a{
  position:relative;
  display:inline-block;
  padding:0 14px;
  line-height:68px;
  font-size:15px;
  color:var(--text-2);
  border-bottom:2px solid transparent;
  transition:color .18s ease,border-color .18s ease;
}
.nav-main a:hover{color:var(--ink);}
.nav-main a.active{
  color:var(--ink);
  font-weight:600;
  border-bottom-color:var(--copper);
}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}

/* ============ 按钮 ============ */
.btn-primary-x{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:6px;
  height:40px;
  padding:0 20px;
  background:var(--ink);
  color:#fff;
  border:1px solid var(--ink);
  border-radius:var(--r-btn);
  font-size:14px;
  font-weight:600;
  letter-spacing:.4px;
  transition:background .18s ease,transform .18s ease,border-color .18s ease;
}
.btn-primary-x:hover{
  background:var(--ink-2);
  border-color:var(--ink-2);
  color:#fff;
  transform:translateY(-1px);
}
.btn-ghost-x{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:6px;
  height:40px;
  padding:0 20px;
  background:var(--surface);
  color:var(--ink);
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  font-size:14px;
  font-weight:600;
  transition:border-color .18s ease,background .18s ease,transform .18s ease;
}
.btn-ghost-x:hover{border-color:var(--ink);color:var(--ink);background:var(--sand);transform:translateY(-1px);}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--celadon);
}
.link-arrow .ar{transition:transform .18s ease;}
.link-arrow:hover{color:var(--ink-2);}
.link-arrow:hover .ar{transform:translateX(3px);}

/* ============ 文章头部 ============ */
.article-hero{
  background:var(--surface);
  border-bottom:1px solid var(--line);
  padding:32px 0 40px;
}
.breadcrumb-x{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:14px;
  color:var(--text-3);
  margin-bottom:22px;
}
.breadcrumb-x a{color:var(--text-3);}
.breadcrumb-x a:hover{color:var(--celadon);}
.breadcrumb-x .sep{color:var(--line);}
.breadcrumb-x .cur{
  color:var(--text-2);
  max-width:min(60vw,520px);
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.article-title{
  font-size:40px;
  line-height:1.24;
  color:var(--ink);
  letter-spacing:.3px;
  max-width:920px;
}
.article-meta{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:14px;
  margin-top:22px;
  font-size:14px;
  color:var(--text-2);
}
.meta-badge{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:var(--r-pill);
  background:rgba(47,122,104,.10);
  color:var(--celadon);
  font-size:13px;
  font-weight:600;
}
.meta-dot{width:3px;height:3px;border-radius:50%;background:var(--line);}
.meta-item{display:inline-flex;align-items:center;gap:6px;}
.meta-item svg{width:14px;height:14px;stroke:var(--text-3);fill:none;stroke-width:1.8;}

/* ============ 正文主体 ============ */
.article-main{padding:56px 0 72px;background:var(--sand);}
.article-shell{
  display:flex;
  justify-content:center;
}
.article-panel{
  width:100%;
  max-width:760px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-sm);
  padding:40px 48px 44px;
  position:relative;
}
.article-panel::before{
  content:"";
  position:absolute;
  left:0;top:32px;bottom:32px;
  width:3px;
  border-radius:0 3px 3px 0;
  background:var(--copper);
  opacity:.85;
}
.article-cover{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  border-radius:var(--r-card);
  background:var(--sand);
  margin-bottom:36px;
}
.article-body{font-size:16px;line-height:1.8;color:var(--text);}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 20px;}
.article-body h2{
  font-size:24px;
  line-height:1.4;
  color:var(--ink);
  margin:40px 0 16px;
  padding-left:14px;
  position:relative;
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;top:.22em;bottom:.22em;
  width:3px;
  border-radius:2px;
  background:var(--copper);
}
.article-body h3{
  font-size:19px;
  line-height:1.45;
  color:var(--ink);
  margin:28px 0 12px;
}
.article-body h4{
  font-size:17px;
  line-height:1.5;
  color:var(--ink-2);
  margin:22px 0 10px;
}
.article-body ul,
.article-body ol{
  margin:0 0 20px;
  padding-left:22px;
  line-height:1.8;
}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin:6px 0;color:var(--text);}
.article-body li::marker{color:var(--celadon);}
.article-body blockquote{
  margin:24px 0;
  padding:20px 22px;
  background:var(--sand);
  border-left:3px solid var(--copper);
  border-radius:0 var(--r-btn) var(--r-btn) 0;
  color:var(--text-2);
  font-size:15.5px;
  line-height:1.8;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body figure{margin:28px 0;}
.article-body figure img{
  width:100%;
  border-radius:var(--r-card);
  background:var(--sand);
}
.article-body figcaption{
  margin-top:10px;
  text-align:center;
  font-size:13px;
  color:var(--text-3);
}
.article-body .table-wrap,
.article-body table{
  width:100%;
  overflow-x:auto;
}
.article-body table{
  display:block;
  margin:24px 0;
  border-collapse:collapse;
  font-size:15px;
  min-width:100%;
  white-space:nowrap;
}
.article-body table th,
.article-body table td{
  border:1px solid var(--line);
  padding:10px 14px;
  text-align:left;
}
.article-body table th{
  background:var(--sand);
  color:var(--ink);
  font-weight:600;
}
.article-body a{
  color:var(--celadon);
  text-decoration:underline;
  text-underline-offset:3px;
  text-decoration-thickness:1px;
}
.article-body a:hover{color:var(--ink-2);}
.article-body strong{color:var(--ink);font-weight:700;}
.article-body hr{
  border:none;
  border-top:1px solid var(--line);
  margin:32px 0;
}
.article-body img{
  max-width:100%;
  border-radius:var(--r-card);
  height:auto;
}

/* 空态 */
.empty-state{
  border:1px dashed var(--line);
  border-radius:var(--r-card);
  padding:56px 24px;
  text-align:center;
  background:var(--sand);
}
.empty-state .ei{
  width:48px;height:48px;
  margin:0 auto 16px;
  border-radius:50%;
  background:var(--surface);
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
}
.empty-state .ei svg{width:22px;height:22px;stroke:var(--text-3);fill:none;stroke-width:1.8;}
.empty-state h2{font-size:20px;margin-bottom:8px;}
.empty-state p{color:var(--text-2);font-size:14.5px;margin-bottom:20px;}

/* ============ 文末区 ============ */
.article-foot{
  margin-top:40px;
  padding-top:24px;
  border-top:1px solid var(--line);
}
.tag-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:26px;
}
.tag-x{
  display:inline-flex;
  align-items:center;
  height:30px;
  padding:0 14px;
  border-radius:var(--r-pill);
  background:var(--sand);
  color:var(--text-2);
  font-size:13px;
  border:1px solid var(--line);
  transition:color .18s ease,border-color .18s ease,background .18s ease;
}
.tag-x:hover{color:var(--ink);border-color:var(--ink);background:var(--surface);}
.back-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:16px;
}
.back-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  font-weight:600;
  color:var(--celadon);
}
.back-link .ar{transition:transform .18s ease;}
.back-link:hover .ar{transform:translateX(-3px);}

/* ============ 相关推荐 ============ */
.related-section{
  background:var(--surface);
  border-top:1px solid var(--line);
  padding:72px 0 80px;
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:32px;
}
.section-head h2{font-size:28px;line-height:1.35;}
.section-head .sub{
  margin-top:8px;
  font-size:14.5px;
  color:var(--text-2);
  line-height:1.7;
}
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.info-card{
  display:flex;
  flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-sm);
  overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  height:100%;
}
.info-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-md);
  border-color:#D8D0C0;
}
.info-card .thumb{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  background:var(--sand);
  display:block;
}
.info-card .body{
  padding:20px 20px 16px;
  display:flex;
  flex-direction:column;
  flex:1 1 auto;
}
.badge-x{
  display:inline-flex;
  align-items:center;
  align-self:flex-start;
  height:24px;
  padding:0 11px;
  border-radius:var(--r-pill);
  background:rgba(47,122,104,.10);
  color:var(--celadon);
  font-size:12.5px;
  font-weight:600;
  margin-bottom:12px;
}
.info-card h3{
  font-size:18px;
  line-height:1.45;
  color:var(--ink);
  margin-bottom:10px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color .18s ease;
}
.info-card:hover h3{color:var(--celadon);}
.info-card .desc{
  font-size:14px;
  line-height:1.7;
  color:var(--text-2);
  margin-bottom:18px;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.info-card .meta-bar{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--text-3);
}
.info-card .meta-bar .ar{
  color:var(--celadon);
  font-weight:600;
  display:inline-flex;
  align-items:center;
  gap:4px;
  transition:transform .18s ease;
}
.info-card:hover .meta-bar .ar{transform:translateX(3px);}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink);
  color:rgba(255,255,255,.78);
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.3fr;
  gap:36px;
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:17px;
  font-weight:700;
  color:#fff;
  letter-spacing:.4px;
  margin-bottom:14px;
}
.footer-brand .dot{width:6px;height:6px;border-radius:50%;background:var(--copper);}
.footer-desc{
  font-size:14px;
  line-height:1.75;
  color:rgba(255,255,255,.62);
  max-width:300px;
}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  color:#fff;
  margin-bottom:16px;
  letter-spacing:.6px;
}
.footer-col a{
  display:block;
  font-size:14px;
  color:rgba(255,255,255,.68);
  margin-bottom:10px;
  transition:color .18s ease;
}
.footer-col a:hover{color:var(--copper);}
.footer-col .fi{
  font-size:13.5px;
  line-height:1.7;
  color:rgba(255,255,255,.62);
  margin-bottom:10px;
}
.footer-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  font-size:13px;
  color:rgba(255,255,255,.5);
}

/* ============ 移动底部 Tab ============ */
.mobile-tabbar{
  display:none;
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:1040;
  background:var(--surface);
  border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
  box-shadow:0 -1px 2px rgba(18,51,47,.05);
}
.tabbar-inner{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  height:56px;
}
.tab-item{
  position:relative;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:3px;
  font-size:10px;
  color:var(--text-3);
  transition:color .18s ease;
}
.tab-item svg{
  width:20px;height:20px;
  fill:none;
  stroke:currentColor;
  stroke-width:1.8;
  stroke-linecap:round;
  stroke-linejoin:round;
}
.tab-item.active{color:var(--celadon);}
.tab-item.active::before{
  content:"";
  position:absolute;
  top:0;left:50%;
  transform:translateX(-50%);
  width:24px;height:3px;
  border-radius:0 0 3px 3px;
  background:var(--celadon);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .article-title{font-size:34px;}
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr;gap:28px;}
  .footer-grid > div:last-child{grid-column:1 / -1;}
}
@media (max-width:991.98px){
  .nav-main{display:none;}
  .nav-actions .btn-primary-x{display:none;}
  .site-header{padding:0;}
  .nav-wrap{height:60px;}
  .brand{font-size:16px;}
  .mobile-tabbar{display:block;}
  body{padding-bottom:calc(56px + env(safe-area-inset-bottom));}
  .article-title{font-size:30px;line-height:1.3;}
  .article-panel{padding:32px 28px 34px;}
  .article-main{padding:40px 0 56px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
  .related-section{padding:56px 0 64px;}
}
@media (max-width:767.98px){
  .container-x{padding:0 16px;}
  .article-hero{padding:24px 0 28px;}
  .article-title{font-size:26px;}
  .article-meta{gap:10px;font-size:13px;margin-top:16px;}
  .article-panel{padding:24px 18px 26px;border-radius:var(--r-card);}
  .article-panel::before{top:20px;bottom:20px;}
  .article-cover{margin-bottom:24px;}
  .article-body{font-size:16px;line-height:1.8;}
  .article-body h2{font-size:21px;margin:32px 0 14px;}
  .article-body h3{font-size:18px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .section-head h2{font-size:24px;}
  .card-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
  .footer-grid > div:first-child{grid-column:1 / -1;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .back-row{flex-direction:column;align-items:flex-start;}
}
@media (max-width:575.98px){
  .article-title{font-size:23px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-grid > div:last-child{grid-column:auto;}
}

/* roulang page: category1 */
:root{
  --ink:#12332F;
  --ink-2:#1E4D44;
  --celadon:#2F7A68;
  --copper:#BE8A45;
  --sand:#F6F3EC;
  --surface:#FFFFFF;
  --line:#E5DFD3;
  --text:#1A2320;
  --text-2:#5B6663;
  --text-3:#8A938F;
  --ok:#3F7D5A;
  --warn:#A65A3E;
  --r-card:12px;
  --r-btn:8px;
  --r-img:12px;
  --shadow-sm:0 1px 2px rgba(18,51,47,.06);
  --shadow-md:0 10px 28px -14px rgba(18,51,47,.20);
  --bs-primary:#2F7A68;
  --bs-body-color:#1A2320;
  --bs-border-color:#E5DFD3;
  --bs-body-bg:#F6F3EC;
  --bs-link-color:#2F7A68;
  --bs-link-hover-color:#12332F;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text);letter-spacing:.2px;}
h1{font-size:40px;line-height:1.2;}
h2{font-size:28px;line-height:1.35;}
h3{font-size:20px;line-height:1.45;}
p{margin:0 0 18px;}
a{color:var(--celadon);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--ink);}
img{max-width:100%;display:block;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--copper);outline-offset:2px;border-radius:4px;}

.container-x{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
.num{font-family:"DIN Alternate","Helvetica Neue",Arial,sans-serif;font-variant-numeric:tabular-nums;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:var(--surface);
  border-bottom:1px solid var(--line);
}
.site-header.is-stuck{box-shadow:var(--shadow-sm);}
.nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:68px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:19px;
  font-weight:700;
  color:var(--ink);
  letter-spacing:.3px;
  white-space:nowrap;
}
.brand .dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--copper);
  display:inline-block;
  margin-top:6px;
}
.brand:hover{color:var(--ink);}
.nav-main{
  display:flex;
  align-items:center;
  gap:30px;
  margin-left:auto;
  margin-right:auto;
}
.nav-main a{
  position:relative;
  font-size:15px;
  color:var(--text-2);
  padding:22px 2px;
  transition:color .18s ease;
}
.nav-main a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:14px;
  height:2px;
  background:var(--copper);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .2s ease;
}
.nav-main a:hover{color:var(--ink);}
.nav-main a:hover::after,
.nav-main a.active::after{transform:scaleX(1);}
.nav-main a.active{color:var(--ink);font-weight:600;}
.nav-actions{display:flex;align-items:center;gap:12px;}

/* ---------- Buttons ---------- */
.btn-primary-x{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:40px;
  padding:0 20px;
  font-size:14px;
  font-weight:600;
  color:#fff;
  background:var(--ink);
  border:1px solid var(--ink);
  border-radius:var(--r-btn);
  transition:background .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-primary-x:hover{
  background:var(--ink-2);
  border-color:var(--ink-2);
  color:#fff;
  transform:translateY(-1px);
  box-shadow:var(--shadow-md);
}
.btn-ghost-x{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  font-size:15px;
  font-weight:600;
  color:var(--ink);
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-ghost-x:hover{
  border-color:var(--ink);
  color:var(--ink);
  transform:translateY(-1px);
  box-shadow:var(--shadow-sm);
}
.btn-lg-x{
  height:46px;
  padding:0 26px;
  font-size:15px;
}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  color:var(--celadon);
}
.link-arrow .arw{transition:transform .18s ease;}
.link-arrow:hover .arw{transform:translateX(3px);}

/* ---------- Badges / tags ---------- */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  font-size:12.5px;
  font-weight:600;
  color:var(--ink);
  background:rgba(47,122,104,.10);
  border-radius:999px;
  line-height:1.4;
}
.tag-sand{background:var(--sand);color:var(--text-2);}
.tag-copper{background:rgba(190,138,69,.14);color:#8A6329;}
.tag-light{
  display:inline-flex;
  align-items:center;
  padding:5px 12px;
  font-size:12.5px;
  font-weight:600;
  color:#fff;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.26);
  border-radius:999px;
  line-height:1.4;
}
.tag-ok{background:rgba(63,125,90,.12);color:var(--ok);}
.tag-warn{background:rgba(166,90,62,.12);color:var(--warn);}

/* ---------- Page hero ---------- */
.page-hero{
  position:relative;
  background-image:linear-gradient(90deg,rgba(18,51,47,.90),rgba(18,51,47,.62)),url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  color:#fff;
  padding:44px 0 46px;
}
.page-hero h1{
  color:#fff;
  font-size:34px;
  line-height:1.3;
  margin:14px 0 12px;
  max-width:820px;
}
.hero-sub{
  color:rgba(255,255,255,.86);
  font-size:16px;
  line-height:1.75;
  max-width:700px;
  margin:0 0 18px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:rgba(255,255,255,.70);
}
.crumbs a{color:rgba(255,255,255,.86);}
.crumbs a:hover{color:var(--copper);}
.crumbs .sep{opacity:.55;}
.crumbs .cur{color:#fff;font-weight:600;}

/* ---------- Sections ---------- */
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:32px;
}
.section-head .eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  color:var(--celadon);
  letter-spacing:1px;
  margin-bottom:10px;
}
.section-head .eyebrow::before{
  content:"";
  width:18px;height:2px;
  background:var(--copper);
  display:inline-block;
}
.section-head p{
  margin:10px 0 0;
  color:var(--text-2);
  font-size:15.5px;
  max-width:720px;
}

/* ---------- Step timeline ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
  counter-reset:step;
}
.step-card{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px 22px 26px;
  box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-md);
  border-color:#D8D0C0;
}
.step-card::before{
  counter-increment:step;
  content:counter(step,decimal-leading-zero);
  display:block;
  font-family:"DIN Alternate","Helvetica Neue",Arial,sans-serif;
  font-variant-numeric:tabular-nums;
  font-size:13px;
  font-weight:700;
  letter-spacing:1px;
  color:var(--copper);
  margin-bottom:12px;
}
.step-card h3{font-size:17px;margin-bottom:8px;}
.step-card p{margin:0;font-size:14px;color:var(--text-2);line-height:1.7;}

/* ---------- Card grid ---------- */
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:26px;
}
.card-x{
  display:flex;
  flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-sm);
  overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease;
}
.card-x:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);}
.thumb{
  position:relative;
  aspect-ratio:16/10;
  background:var(--sand);
  overflow:hidden;
}
.thumb img{
  width:100%;height:100%;
  object-fit:cover;
  border-radius:0;
  transition:transform .35s ease;
}
.card-x:hover .thumb img{transform:scale(1.03);}
.card-body-x{padding:20px 22px 0;flex:1 1 auto;}
.card-body-x h3{
  font-size:18px;
  line-height:1.45;
  margin-bottom:10px;
  transition:color .18s ease;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-x:hover .card-body-x h3{color:var(--celadon);}
.card-body-x p{
  margin:0 0 16px;
  font-size:14.5px;
  color:var(--text-2);
  line-height:1.72;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:14px 22px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text-3);
}
.card-meta .go{
  display:inline-flex;align-items:center;gap:4px;
  color:var(--celadon);font-weight:600;
}
.card-x:hover .card-meta .go{color:var(--ink);}

/* ---------- Stuck-points block ---------- */
.split-block{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:56px;
  align-items:center;
}
.split-media{
  position:relative;
  border-radius:var(--r-img);
  overflow:hidden;
  background:var(--sand);
  aspect-ratio:4/3;
  box-shadow:var(--shadow-md);
}
.split-media img{width:100%;height:100%;object-fit:cover;}
.point-list{list-style:none;margin:0;padding:0;display:grid;gap:16px;}
.point-list li{
  display:flex;
  gap:14px;
  padding:18px 20px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:10px;
  box-shadow:var(--shadow-sm);
  transition:transform .18s ease,border-color .18s ease;
}
.point-list li:hover{transform:translateY(-2px);border-color:#D8D0C0;}
.point-list .pi{
  flex:0 0 auto;
  width:30px;height:30px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:8px;
  background:rgba(47,122,104,.10);
  color:var(--celadon);
  font-weight:700;
  font-size:13px;
  font-variant-numeric:tabular-nums;
}
.point-list h3{font-size:16px;margin-bottom:4px;}
.point-list p{margin:0;font-size:14px;color:var(--text-2);line-height:1.7;}

/* ---------- Notice strip ---------- */
.notice-strip{
  background:var(--ink);
  border-radius:var(--r-card);
  padding:28px 32px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  color:#fff;
}
.notice-strip .ns-text{max-width:760px;}
.notice-strip h3{color:#fff;font-size:18px;margin-bottom:6px;}
.notice-strip p{margin:0;font-size:14.5px;color:rgba(255,255,255,.78);line-height:1.7;}
.notice-strip .btn-ghost-x{
  background:transparent;
  color:#fff;
  border-color:rgba(255,255,255,.32);
}
.notice-strip .btn-ghost-x:hover{
  border-color:var(--copper);
  color:var(--copper);
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;}
.accordion-x .accordion-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:10px;
  margin-bottom:10px;
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:border-color .18s ease;
}
.accordion-x .accordion-item:last-child{margin-bottom:0;}
.accordion-x .accordion-button{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 22px;
  font-size:17px;
  font-weight:500;
  color:var(--text);
  background:var(--surface);
  border:0;
  border-left:3px solid transparent;
  text-align:left;
  box-shadow:none;
  transition:color .18s ease,border-color .18s ease,background .18s ease;
}
.accordion-x .accordion-button:hover{color:var(--celadon);}
.accordion-x .accordion-button:not(.collapsed){
  color:var(--ink);
  font-weight:600;
  border-left-color:var(--copper);
  background:var(--surface);
  box-shadow:none;
}
.accordion-x .accordion-button:focus{box-shadow:none;outline:2px solid var(--copper);outline-offset:-2px;}
.accordion-x .accordion-button::after{
  content:"";
  flex:0 0 auto;
  width:16px;height:16px;
  background-image:none;
  border-right:2px solid var(--text-3);
  border-bottom:2px solid var(--text-3);
  transform:rotate(45deg);
  transition:transform .18s ease,border-color .18s ease;
  margin:0;
  position:static;
}
.accordion-x .accordion-button:not(.collapsed)::after{
  transform:rotate(-135deg);
  border-color:var(--copper);
}
.accordion-x .accordion-body{
  padding:0 22px 20px;
  font-size:15px;
  color:var(--text-2);
  line-height:1.8;
}
.accordion-x .accordion-body p:last-child{margin-bottom:0;}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--ink);
  border-radius:16px;
  padding:52px 48px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  color:#fff;
}
.cta-band h2{color:#fff;font-size:26px;margin-bottom:10px;}
.cta-band p{margin:0;color:rgba(255,255,255,.76);font-size:15px;max-width:600px;line-height:1.75;}
.cta-band .btn-primary-x{
  background:var(--copper);
  border-color:var(--copper);
  color:#20160A;
  font-weight:700;
}
.cta-band .btn-primary-x:hover{
  background:#cfa062;
  border-color:#cfa062;
  color:#20160A;
}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--ink);
  color:rgba(255,255,255,.72);
  padding:64px 0 0;
  margin-top:88px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr .8fr .8fr 1.1fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:19px;
  font-weight:700;
  color:#fff;
  margin-bottom:14px;
}
.footer-brand .dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--copper);
  display:inline-block;
  margin-top:6px;
}
.footer-desc{margin:0;font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:320px;}
.footer-col h4{
  font-size:14px;
  color:#fff;
  font-weight:600;
  margin-bottom:16px;
  letter-spacing:.5px;
}
.footer-col a{
  display:block;
  font-size:14px;
  color:rgba(255,255,255,.66);
  margin-bottom:10px;
  transition:color .18s ease;
}
.footer-col a:hover{color:var(--copper);}
.footer-col .fi{
  font-size:13.5px;
  color:rgba(255,255,255,.58);
  line-height:1.75;
  margin-bottom:10px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 24px;
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:rgba(255,255,255,.52);
}

/* ---------- Mobile tab bar ---------- */
.mobile-tab{
  display:none;
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:1040;
  background:var(--surface);
  border-top:1px solid var(--line);
  height:calc(56px + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom);
  box-shadow:0 -2px 12px rgba(18,51,47,.06);
}
.mobile-tab a{
  flex:1 1 0;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:3px;
  font-size:10px;
  color:var(--text-3);
  position:relative;
  transition:color .18s ease;
}
.mobile-tab a svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.mobile-tab a.active{color:var(--celadon);}
.mobile-tab a.active::before{
  content:"";
  position:absolute;
  top:0;left:50%;
  transform:translateX(-50%);
  width:26px;height:3px;
  border-radius:0 0 3px 3px;
  background:var(--celadon);
}

/* ---------- Responsive ---------- */
@media (max-width:1199.98px){
  .container-x{max-width:100%;}
  .nav-main{gap:22px;}
  .split-block{gap:40px;}
}
@media (max-width:991.98px){
  body{padding-bottom:calc(56px + env(safe-area-inset-bottom));}
  .nav-main{display:none;}
  .mobile-tab{display:flex;}
  .nav-wrap{height:62px;}
  .brand{font-size:17px;}
  h1{font-size:30px;}
  .page-hero h1{font-size:27px;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .card-grid{grid-template-columns:repeat(2,1fr);gap:20px;}
  .split-block{grid-template-columns:1fr;}
  .split-media{aspect-ratio:16/10;order:-1;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:64px 0;}
  .cta-band{padding:40px 28px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;}
}
@media (max-width:767.98px){
  .container-x{padding-left:16px;padding-right:16px;}
  h2{font-size:23px;}
  .page-hero{padding:32px 0 36px;}
  .page-hero h1{font-size:23px;}
  .hero-sub{font-size:15px;}
  .card-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .section{padding:52px 0;}
  .section-tight{padding:44px 0;}
  .notice-strip{padding:22px;flex-direction:column;align-items:flex-start;}
  .cta-band{padding:32px 22px;border-radius:12px;}
  .cta-band h2{font-size:21px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{padding-top:48px;margin-top:60px;}
  .footer-bottom{flex-direction:column;gap:6px;font-size:12.5px;}
  .accordion-x .accordion-button{font-size:15.5px;padding:16px 18px;}
  .accordion-x .accordion-body{padding:0 18px 18px;font-size:14.5px;}
  .nav-actions .btn-primary-x{height:36px;padding:0 14px;font-size:13px;}
}
@media (max-width:519.98px){
  .brand{font-size:15.5px;}
  .page-hero h1{font-size:21px;}
  .hero-tags{gap:8px;}
  .tag-light{font-size:11.5px;padding:4px 10px;}
}

/* roulang page: category2 */
:root{
  --ink:#12332F;
  --ink-2:#1E4D44;
  --celadon:#2F7A68;
  --copper:#BE8A45;
  --sand:#F6F3EC;
  --surface:#FFFFFF;
  --line:#E5DFD3;
  --text:#1A2320;
  --text-2:#5B6663;
  --text-3:#8A938F;
  --ok:#3F7D5A;
  --warn:#A65A3E;
  --r-card:12px;
  --r-btn:8px;
  --shadow-sm:0 1px 2px rgba(18,51,47,.06);
  --shadow-md:0 10px 28px -14px rgba(18,51,47,.20);

  --bs-primary:#12332F;
  --bs-body-color:#1A2320;
  --bs-border-color:#E5DFD3;
  --bs-body-bg:#F6F3EC;
  --bs-link-color:#2F7A68;
  --bs-link-hover-color:#1E4D44;
  --bs-font-sans-serif:-apple-system,"PingFang SC","HarmonyOS Sans 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;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--celadon);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--ink-2);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);line-height:1.35;}
p{margin:0;}
:focus-visible{outline:2px solid var(--copper);outline-offset:2px;border-radius:4px;}

.container-x{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.num{font-family:"DIN Alternate","Helvetica Neue",Arial,sans-serif;font-variant-numeric:tabular-nums;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-stuck{box-shadow:var(--shadow-sm);}
.nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:68px;
}
.brand{
  display:inline-flex;
  align-items:center;
  font-size:19px;
  font-weight:700;
  color:var(--ink);
  letter-spacing:.2px;
  white-space:nowrap;
}
.brand:hover{color:var(--ink);}
.brand .dot{
  display:inline-block;
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--copper);
  margin-left:7px;
  margin-top:2px;
}
.nav-main{
  display:flex;
  align-items:center;
  gap:30px;
}
.nav-main a{
  position:relative;
  font-size:15px;
  color:var(--text-2);
  padding:22px 0;
  border-bottom:2px solid transparent;
  transition:color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.nav-main a:hover{color:var(--ink);}
.nav-main a.active{
  color:var(--ink);
  font-weight:600;
  border-bottom-color:var(--copper);
}
.nav-actions{display:flex;align-items:center;gap:12px;}

.btn-primary-x{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:6px;
  padding:10px 20px;
  background:var(--ink);
  color:#fff;
  font-size:14px;
  font-weight:600;
  border:1px solid var(--ink);
  border-radius:var(--r-btn);
  cursor:pointer;
  transition:background .18s ease,transform .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary-x:hover{background:var(--ink-2);border-color:var(--ink-2);color:#fff;transform:translateY(-1px);}
.btn-primary-x:active{transform:translateY(0);}

.btn-ghost-x{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:6px;
  padding:10px 20px;
  background:var(--surface);
  color:var(--ink);
  font-size:14px;
  font-weight:600;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  cursor:pointer;
  transition:border-color .18s ease,background .18s ease,transform .18s ease;
  white-space:nowrap;
}
.btn-ghost-x:hover{border-color:var(--ink);color:var(--ink);transform:translateY(-1px);}

.btn-light-x{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:6px;
  padding:12px 24px;
  background:#fff;
  color:var(--ink);
  font-size:14.5px;
  font-weight:600;
  border:1px solid #fff;
  border-radius:var(--r-btn);
  transition:background .18s ease,transform .18s ease,color .18s ease;
  white-space:nowrap;
}
.btn-light-x:hover{background:var(--sand);color:var(--ink);transform:translateY(-1px);}

.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--celadon);
}
.link-arrow span.arr{transition:transform .18s ease;display:inline-block;}
.link-arrow:hover span.arr{transform:translateX(3px);}

/* ---------- Page hero ---------- */
.page-hero{
  position:relative;
  color:#fff;
  padding:44px 0 48px;
  background:
    linear-gradient(90deg, rgba(18,51,47,.94) 0%, rgba(18,51,47,.72) 60%, rgba(18,51,47,.55) 100%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.crumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.68);
  margin-bottom:18px;
}
.crumb a{color:rgba(255,255,255,.85);}
.crumb a:hover{color:var(--copper);}
.crumb .sep{opacity:.55;}
.crumb .cur{color:#fff;font-weight:600;}
.page-hero h1{
  font-size:34px;
  line-height:1.28;
  color:#fff;
  letter-spacing:.5px;
  margin-bottom:14px;
}
.page-hero .lead-x{
  max-width:720px;
  font-size:15.5px;
  line-height:1.8;
  color:rgba(255,255,255,.84);
}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px;
  margin-top:22px;
}
.badge-x{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 13px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:500;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.24);
  color:#fff;
}
.badge-x .pip{
  width:5px;height:5px;border-radius:50%;background:var(--copper);display:inline-block;
}

/* ---------- Sections ---------- */
.section{padding:96px 0;}
.section.tight{padding:72px 0;}
.section-head{margin-bottom:32px;max-width:760px;}
.eyebrow{
  display:inline-block;
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--copper);
  margin-bottom:10px;
}
.section-head h2{
  font-size:28px;
  line-height:1.35;
  margin-bottom:12px;
}
.section-head p{
  font-size:15px;
  line-height:1.8;
  color:var(--text-2);
}

/* ---------- Safe list ---------- */
.safe-list{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-sm);
  overflow:hidden;
}
.safe-row{
  display:grid;
  grid-template-columns:212px 1fr auto;
  gap:24px;
  align-items:center;
  padding:22px 24px;
  border-bottom:1px solid var(--line);
  transition:background .2s ease;
}
.safe-row:last-child{border-bottom:none;}
.safe-row:hover{background:#FBF9F4;}
.safe-thumb{
  width:100%;
  aspect-ratio:16/10;
  border-radius:10px;
  overflow:hidden;
  background:var(--sand);
  border:1px solid var(--line);
}
.safe-thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .45s ease;
}
.safe-row:hover .safe-thumb img{transform:scale(1.05);}
.safe-body h3{
  font-size:18px;
  line-height:1.45;
  margin-bottom:8px;
  transition:color .18s ease;
}
.safe-row:hover .safe-body h3{color:var(--celadon);}
.safe-body p{
  font-size:14.5px;
  line-height:1.78;
  color:var(--text-2);
  margin:0;
}
.safe-tag{
  align-self:flex-start;
  font-size:12px;
  font-weight:500;
  padding:5px 12px;
  border-radius:999px;
  background:rgba(47,122,104,.10);
  color:var(--celadon);
  white-space:nowrap;
}
.safe-tag.warn-tag{
  background:rgba(190,138,69,.14);
  color:#8C6428;
}

/* ---------- Set cards ---------- */
.grid-4{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.set-card{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 22px 24px;
  box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease;
  overflow:hidden;
}
.set-card::before{
  content:"";
  position:absolute;
  top:0;left:0;
  width:38px;height:3px;
  background:var(--copper);
}
.set-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);}
.set-num{
  font-size:26px;
  font-weight:700;
  color:var(--celadon);
  letter-spacing:.02em;
  line-height:1.2;
  margin-bottom:12px;
}
.set-card h3{
  font-size:16.5px;
  line-height:1.45;
  margin-bottom:10px;
}
.set-card p{
  font-size:14px;
  line-height:1.76;
  color:var(--text-2);
  margin:0;
}

/* ---------- Flow ---------- */
.flow-wrap{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-sm);
  padding:44px 40px 40px;
}
.flow{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.flow-item{
  position:relative;
  padding-top:30px;
}
.flow-item::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;height:2px;
  background:var(--line);
}
.flow-item::after{
  content:"";
  position:absolute;
  top:-4px;left:0;
  width:10px;height:10px;
  border-radius:50%;
  background:var(--copper);
  box-shadow:0 0 0 4px rgba(190,138,69,.14);
}
.flow-step{
  display:block;
  font-size:12px;
  font-weight:600;
  letter-spacing:.1em;
  color:var(--text-3);
  margin-bottom:8px;
}
.flow-item h3{
  font-size:17px;
  line-height:1.45;
  margin-bottom:8px;
}
.flow-item p{
  font-size:14px;
  line-height:1.75;
  color:var(--text-2);
  margin:0;
}

/* ---------- FAQ ---------- */
.faq-list{
  display:flex;
  flex-direction:column;
  gap:10px;
  max-width:900px;
}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-left:3px solid transparent;
  border-radius:10px;
  box-shadow:var(--shadow-sm);
  overflow:hidden;
  transition:border-color .18s ease;
}
.faq-item:has(.collapse.show){border-left-color:var(--copper);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:18px 22px;
  background:none;
  border:none;
  text-align:left;
  font-size:17px;
  font-weight:500;
  line-height:1.5;
  color:var(--ink);
  cursor:pointer;
  transition:color .18s ease;
}
.faq-q:hover{color:var(--celadon);}
.faq-q .sign{
  flex:0 0 auto;
  width:24px;height:24px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:19px;
  font-weight:400;
  color:var(--celadon);
  border:1px solid var(--line);
  border-radius:50%;
  background:var(--sand);
  transition:background .18s ease,color .18s ease;
}
.faq-item:has(.collapse.show) .faq-q .sign{background:rgba(47,122,104,.12);}
.faq-item .sign::before{content:"+";}
.faq-item:has(.collapse.show) .sign::before{content:"−";}
.faq-a{
  padding:0 22px 20px;
  font-size:14.5px;
  line-height:1.82;
  color:var(--text-2);
}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--ink);
  border-radius:14px;
  padding:44px 44px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-band h2{
  color:#fff;
  font-size:26px;
  line-height:1.35;
  margin-bottom:10px;
}
.cta-band p{
  color:rgba(255,255,255,.76);
  font-size:14.5px;
  line-height:1.8;
  max-width:560px;
}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--ink);
  color:rgba(255,255,255,.76);
  padding:64px 0 28px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand{
  display:flex;
  align-items:center;
  font-size:19px;
  font-weight:700;
  color:#fff;
  margin-bottom:14px;
}
.footer-brand .dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--copper);
  margin-left:7px;
  display:inline-block;
}
.footer-desc{
  font-size:14px;
  line-height:1.85;
  color:rgba(255,255,255,.64);
  max-width:340px;
}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  color:#fff;
  margin-bottom:16px;
}
.footer-col a{
  display:block;
  font-size:14px;
  color:rgba(255,255,255,.70);
  margin-bottom:11px;
  transition:color .18s ease;
}
.footer-col a:hover{color:var(--copper);}
.fi{
  font-size:13.5px;
  line-height:1.75;
  color:rgba(255,255,255,.60);
  margin-bottom:9px;
}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:14px;
  margin-top:42px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;
  color:rgba(255,255,255,.5);
}

/* ---------- Mobile tab ---------- */
.mobile-tab{
  display:none;
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:1040;
  background:var(--surface);
  border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
  box-shadow:0 -2px 10px -8px rgba(18,51,47,.35);
}
.tab-inner{display:flex;height:56px;}
.tab-item{
  flex:1;
  position:relative;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:3px;
  font-size:10.5px;
  color:var(--text-3);
  transition:color .18s ease;
}
.tab-item svg{
  width:20px;height:20px;
  fill:none;
  stroke:currentColor;
  stroke-width:1.7;
  stroke-linecap:round;
  stroke-linejoin:round;
}
.tab-item:hover{color:var(--ink);}
.tab-item.active{color:var(--celadon);}
.tab-item.active::before{
  content:"";
  position:absolute;
  top:0;
  width:22px;height:3px;
  border-radius:0 0 3px 3px;
  background:var(--celadon);
}

/* ---------- Responsive ---------- */
@media (max-width:1199.98px){
  .nav-main{gap:22px;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .flow{grid-template-columns:repeat(2,1fr);gap:28px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
  .footer-col:last-child{grid-column:1 / -1;}
}

@media (max-width:991.98px){
  .nav-main{display:none;}
  .nav-actions .btn-primary-x{padding:9px 16px;font-size:13.5px;}
  .mobile-tab{display:block;}
  body{padding-bottom:72px;}
  .section{padding:64px 0;}
  .section.tight{padding:52px 0;}
  .page-hero{padding:34px 0 38px;}
  .page-hero h1{font-size:28px;}
  .cta-band{padding:34px 28px;}
  .cta-band h2{font-size:22px;}
  .flow-wrap{padding:32px 24px 28px;}
}

@media (max-width:767.98px){
  .container-x{padding:0 16px;}
  .section{padding:56px 0;}
  .section.tight{padding:44px 0;}
  .section-head h2{font-size:23px;}
  .page-hero h1{font-size:25px;}
  .page-hero .lead-x{font-size:14.5px;}
  .safe-row{
    grid-template-columns:112px 1fr;
    gap:16px;
    padding:18px 16px;
    align-items:flex-start;
  }
  .safe-tag{
    grid-column:2;
    justify-self:start;
    margin-top:10px;
  }
  .safe-body h3{font-size:16.5px;}
  .safe-body p{font-size:14px;}
  .grid-4{grid-template-columns:1fr;}
  .flow{grid-template-columns:1fr;gap:0;}
  .flow-item{
    padding-top:0;
    padding-left:20px;
    padding-bottom:26px;
  }
  .flow-item::before{
    top:0;bottom:0;left:0;right:auto;
    width:2px;height:auto;
  }
  .flow-item::after{top:4px;left:-4px;}
  .flow-item:last-child{padding-bottom:0;}
  .faq-q{font-size:15.5px;padding:16px 18px;}
  .faq-a{padding:0 18px 18px;font-size:14px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-col:last-child{grid-column:auto;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-band{flex-direction:column;align-items:flex-start;gap:22px;}
}

@media (max-width:575.98px){
  .brand{font-size:16.5px;}
  .nav-actions .btn-primary-x{padding:8px 13px;font-size:13px;}
  .page-hero h1{font-size:22px;line-height:1.34;}
  .hero-meta{gap:8px;}
  .badge-x{font-size:11.5px;padding:4px 10px;}
  .safe-row{grid-template-columns:1fr;}
  .safe-tag{grid-column:1;}
  .safe-thumb{aspect-ratio:16/9;}
}

/* roulang page: category3 */
:root{
  --ink:#12332F; --ink-2:#1E4D44; --celadon:#2F7A68; --copper:#BE8A45;
  --sand:#F6F3EC; --surface:#FFFFFF; --line:#E5DFD3;
  --text:#1A2320; --text-2:#5B6663; --text-3:#8A938F;
  --ok:#3F7D5A; --warn:#A65A3E;
  --r-card:12px; --r-btn:8px; --r-img:12px;
  --shadow-sm:0 1px 2px rgba(18,51,47,.06);
  --shadow-md:0 10px 28px -14px rgba(18,51,47,.20);
  --bs-primary:#12332F; --bs-body-color:#1A2320; --bs-border-color:#E5DFD3; --bs-body-bg:#F6F3EC;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--sand);color:var(--text);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .18s ease}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink)}
p{margin:0 0 18px}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
.num{font-family:"DIN Alternate","Helvetica Neue",Arial,sans-serif;font-variant-numeric:tabular-nums}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--copper);outline-offset:2px;border-radius:6px;
}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ============ 通用按钮 / 标签 ============ */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:500;line-height:1;cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-primary-x{background:var(--ink);color:#fff}
.btn-primary-x:hover{background:var(--ink-2);transform:translateY(-1px);box-shadow:var(--shadow-md);color:#fff}
.btn-ghost-x{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost-x:hover{border-color:var(--ink);transform:translateY(-1px)}
.btn-light-x{background:#fff;color:var(--ink)}
.btn-light-x:hover{background:#F0EBE0;transform:translateY(-1px);color:var(--ink)}
.tag-x{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:999px;background:rgba(47,122,104,.09);color:var(--celadon);
  font-size:12.5px;font-weight:500;line-height:1;
}
.tag-copper{background:rgba(190,138,69,.13);color:#8A6category}
.dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--copper);margin-left:6px;vertical-align:middle}
.arrow{display:inline-block;transition:transform .18s ease}
a:hover .arrow{transform:translateX(3px)}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.scrolled{box-shadow:var(--shadow-sm)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px}
.brand{
  font-size:19px;font-weight:700;color:var(--ink);letter-spacing:.2px;
  display:inline-flex;align-items:center;white-space:nowrap;
}
.brand:hover{color:var(--ink-2)}
.nav-main{display:flex;align-items:center;gap:30px}
.nav-main a{
  position:relative;display:inline-flex;align-items:center;height:68px;
  font-size:15px;color:var(--text-2);
}
.nav-main a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--copper);
  transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-main a:hover{color:var(--ink)}
.nav-main a:hover::after{transform:scaleX(1)}
.nav-main a.active{color:var(--ink);font-weight:500}
.nav-main a.active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px}

/* ============ 内页首屏 ============ */
.page-hero{
  position:relative;color:#fff;padding:40px 0 54px;
  background:var(--ink) url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(18,51,47,.93),rgba(18,51,47,.70));
}
.page-hero .container-x{position:relative;z-index:1}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:16px}
.crumb a:hover{color:#fff}
.crumb .sep{opacity:.55}
.crumb .now{color:rgba(255,255,255,.92)}
.page-hero h1{font-size:36px;line-height:1.28;color:#fff;letter-spacing:.2px}
.page-hero .lead{margin-top:14px;max-width:660px;font-size:16px;line-height:1.75;color:rgba(255,255,255,.86)}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-tags .t{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:999px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
  font-size:12.5px;color:rgba(255,255,255,.92);
}

/* ============ 板块 ============ */
.section{padding:80px 0}
.section.tight{padding:64px 0}
.section-head{max-width:760px;margin-bottom:36px}
.section-head h2{font-size:28px;line-height:1.35}
.section-head p{margin-top:12px;color:var(--text-2);font-size:15.5px;line-height:1.8}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:500;
  color:var(--celadon);letter-spacing:1px;margin-bottom:12px;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--copper);border-radius:2px}

/* ============ 交替图文 ============ */
.split{
  display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:30px;box-shadow:var(--shadow-sm);
  transition:box-shadow .2s ease,transform .2s ease;
}
.split:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}
.split + .split{margin-top:24px}
.split-media{margin:0}
.split-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-img);
  background:var(--sand);
}
.split.rev .split-media{order:2}
.split-body h3{font-size:21px;line-height:1.45;margin-bottom:14px}
.split-body p{color:var(--text-2);font-size:15.5px;line-height:1.8;margin-bottom:16px}
.mini-list li{
  position:relative;padding-left:22px;font-size:15px;color:var(--text-2);
  line-height:1.8;margin-bottom:8px;
}
.mini-list li:last-child{margin-bottom:0}
.mini-list li::before{
  content:"";position:absolute;left:2px;top:11px;width:6px;height:6px;border-radius:2px;
  background:var(--celadon);
}

/* ============ 步骤时间线 ============ */
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);padding:26px 22px;box-shadow:var(--shadow-sm);
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.step:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);border-color:#D8D0BF}
.step .n{
  width:34px;height:34px;border-radius:999px;display:flex;align-items:center;justify-content:center;
  background:rgba(47,122,104,.10);color:var(--celadon);font-weight:700;font-size:14px;
  font-variant-numeric:tabular-nums;margin-bottom:16px;
}
.step h3{font-size:16.5px;line-height:1.5;margin-bottom:8px}
.step p{font-size:14px;line-height:1.75;color:var(--text-2);margin:0}

/* ============ 准备清单 ============ */
.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.check-item{
  display:flex;gap:14px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);padding:22px;box-shadow:var(--shadow-sm);
  transition:box-shadow .2s ease,transform .2s ease;
}
.check-item:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}
.check-item .ic{
  flex:0 0 34px;width:34px;height:34px;border-radius:8px;display:flex;align-items:center;justify-content:center;
  background:rgba(47,122,104,.10);color:var(--celadon);font-size:16px;
}
.check-item h3{font-size:16px;line-height:1.5;margin-bottom:6px}
.check-item p{font-size:14px;line-height:1.75;color:var(--text-2);margin:0}

/* ============ 提示条 ============ */
.notice-strip{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--copper);
  border-radius:var(--r-card);padding:22px 24px;box-shadow:var(--shadow-sm);
}
.notice-strip .ic{color:var(--copper);font-size:20px;line-height:1;flex:0 0 auto;margin-top:2px}
.notice-strip strong{display:block;color:var(--ink);font-size:16px;margin-bottom:6px}
.notice-strip p{color:var(--text-2);font-size:14.5px;line-height:1.8;margin:0}

/* ============ FAQ ============ */
.faq-list{max-width:880px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:10px;
  margin-bottom:10px;overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item:hover{box-shadow:var(--shadow-sm)}
.faq-item[open]{border-left:3px solid var(--copper);box-shadow:var(--shadow-sm)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;display:flex;align-items:center;
  justify-content:space-between;gap:18px;font-size:17px;font-weight:500;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:0 0 auto;width:22px;height:22px;line-height:20px;text-align:center;
  border-radius:999px;border:1px solid var(--line);color:var(--celadon);font-size:15px;
  transition:transform .18s ease;
}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg)}
.faq-body{padding:0 22px 20px;color:var(--text-2);font-size:15px;line-height:1.85}
.faq-body p{margin-bottom:12px}
.faq-body p:last-child{margin-bottom:0}

/* ============ 深色 CTA + 表单 ============ */
.cta-band{
  background:var(--ink);color:#fff;border-radius:var(--r-card);padding:46px;
  display:grid;grid-template-columns:1.05fr 1fr;gap:44px;align-items:center;
}
.cta-band h2{color:#fff;font-size:27px;line-height:1.35}
.cta-band .sub{margin-top:14px;color:rgba(255,255,255,.78);font-size:15px;line-height:1.8}
.cta-points{margin-top:24px;display:grid;gap:12px}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:rgba(255,255,255,.85)}
.cta-points i{color:var(--copper);font-size:15px;line-height:1.6}
.cta-form{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-card);padding:26px;
}
.cta-form label{display:block;font-size:13.5px;color:rgba(255,255,255,.72);margin-bottom:8px}
.cta-form .req{color:var(--copper)}
.cta-form .field{margin-bottom:16px}
.cta-form input,.cta-form textarea{
  width:100%;background:#fff;border:1px solid var(--line);border-radius:8px;
  padding:0 14px;height:44px;font-size:15px;color:var(--text);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.cta-form textarea{height:96px;padding:12px 14px;line-height:1.7;resize:vertical}
.cta-form input:focus,.cta-form textarea:focus{
  outline:none;border-color:var(--celadon);box-shadow:0 0 0 4px rgba(47,122,104,.18);
}
.cta-form .btn-x{width:100%;margin-top:4px}
.form-hint{font-size:13px;color:rgba(255,255,255,.62);margin-top:12px;line-height:1.6}
.form-ok{display:none;font-size:13.5px;color:#CFE7DA;margin-top:12px}
.form-ok.show{display:block}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.76);padding:64px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px}
.footer-brand{font-size:19px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);margin:0;max-width:320px}
.footer-col h4{font-size:14px;color:#fff;letter-spacing:.5px;margin-bottom:16px;font-weight:600}
.footer-col a,.footer-col .fi{display:block;font-size:14px;color:rgba(255,255,255,.68);margin-bottom:11px;line-height:1.7}
.footer-col a:hover{color:var(--copper)}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.52);
}

/* ============ 移动底部 Tab ============ */
.mobile-tab{
  position:fixed;left:0;right:0;bottom:0;z-index:90;display:none;
  background:#fff;border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
  box-shadow:0 -6px 20px -14px rgba(18,51,47,.35);
}
.mobile-tab a{
  position:relative;flex:1;height:56px;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:3px;
  font-size:11px;color:var(--text-2);transition:color .18s ease;
}
.mobile-tab a svg{width:20px;height:20px}
.mobile-tab a.active{color:var(--celadon)}
.mobile-tab a.active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:22px;height:3px;border-radius:0 0 3px 3px;background:var(--celadon);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .split{gap:34px;padding:26px}
  .cta-band{padding:38px;gap:34px}
}
@media (max-width:991px){
  .nav-main,.nav-actions{display:none}
  .mobile-tab{display:flex}
  body{padding-bottom:70px}
  .section{padding:60px 0}
  .page-hero h1{font-size:30px}
  .split{grid-template-columns:1fr;gap:22px;padding:22px}
  .split.rev .split-media{order:0}
  .step-grid{grid-template-columns:repeat(2,1fr)}
  .cta-band{grid-template-columns:1fr;gap:28px;padding:30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  .container-x{padding:0 16px}
  .page-hero{padding:28px 0 38px}
  .page-hero h1{font-size:25px;line-height:1.35}
  .page-hero .lead{font-size:15px}
  .section{padding:48px 0}
  .section-head{margin-bottom:26px}
  .section-head h2{font-size:23px}
  .split-body h3{font-size:19px}
  .check-grid{grid-template-columns:1fr}
  .cta-band h2{font-size:22px}
  .faq-item summary{font-size:16px;padding:16px 18px}
  .faq-body{padding:0 18px 18px;font-size:14.5px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:520px){
  .step-grid{grid-template-columns:1fr}
  .brand{font-size:17px}
  .cta-band{padding:24px}
  .cta-form{padding:20px}
}