/* roulang page: index */
/* ===== 设计变量 ===== */
:root{
  --primary-900:#0A2A22;
  --primary-700:#12594A;
  --primary-500:#1B8A6B;
  --accent:#FF6A2B;
  --accent-dark:#E85A1F;
  --accent-2:#FFC13C;
  --ink:#12211D;
  --muted:#5C6B66;
  --line:#E2DED5;
  --bg:#F7F5F0;
  --surface:#FFFFFF;
  --danger:#C7412B;
  --r-xl:20px;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --sh-1:0 1px 2px rgba(18,33,29,.06),0 8px 24px rgba(18,33,29,.06);
  --sh-2:0 12px 32px rgba(18,33,29,.12);
  --sec:96px;
  --font:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;
}
/* ===== reset / base ===== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure{margin:0}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--primary-900);outline-offset:2px}
section[id],div[id]{scroll-margin-top:104px}
/* ===== 容器 ===== */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.sec{padding:var(--sec) 0}
.sec--tight{padding:64px 0}
.sec--surface{background:var(--surface)}
/* ===== 通用文本 ===== */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:44px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(24px,2.6vw,32px);font-weight:700;line-height:1.32;letter-spacing:-.01em;margin-top:14px}
.sec-head p{color:var(--muted);font-size:15px;margin-top:12px;max-width:660px}
.sec-tag{display:inline-block;font-size:13px;font-weight:700;color:var(--primary-700);background:rgba(27,138,107,.10);padding:5px 14px;border-radius:999px;letter-spacing:.02em}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--primary-700);border-bottom:2px solid transparent;transition:color .15s,border-color .15s}
.text-link:hover{color:var(--accent);border-bottom-color:var(--accent)}
.text-link svg{width:16px;height:16px;transition:transform .18s ease}
.text-link:hover svg{transform:translateX(3px)}
/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-sm);
  font-size:15px;font-weight:700;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:background .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn svg{width:17px;height:17px}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(255,106,43,.24)}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-2px);box-shadow:0 10px 22px rgba(255,106,43,.30)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 3px 10px rgba(255,106,43,.24)}
.btn-outline{background:transparent;color:var(--primary-700);border-color:var(--primary-700)}
.btn-outline:hover{background:var(--primary-700);color:#fff}
.btn-outline:active{transform:translateY(1px)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-ghost:hover{background:#fff;color:var(--primary-900);border-color:#fff}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:default;pointer-events:none}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
/* ===== 徽章 ===== */
.badge{
  display:inline-flex;align-items:center;gap:5px;
  height:24px;padding:0 11px;border-radius:999px;
  font-size:13px;font-weight:600;line-height:1;
  background:rgba(27,138,107,.10);color:var(--primary-700);
}
.badge-accent{background:rgba(255,106,43,.12);color:var(--accent-dark)}
.badge-solid{background:var(--accent);color:#fff}
/* ===== 顶部公告条 ===== */
.topbar{background:var(--primary-900);color:#E9E4DA;font-size:13px}
.topbar-inner{display:flex;align-items:center;justify-content:center;gap:10px;min-height:40px;padding:6px 32px;text-align:center}
.topbar-dot{width:6px;height:6px;border-radius:50%;background:var(--accent-2);flex-shrink:0}
.topbar a{color:var(--accent-2);font-weight:700;border-bottom:1px solid rgba(255,193,60,.4)}
.topbar a:hover{color:#fff;border-bottom-color:#fff}
/* ===== 导航 ===== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease;
}
.site-header.is-stuck{box-shadow:0 8px 24px rgba(18,33,29,.10)}
.nav-inner{display:flex;align-items:center;gap:22px;height:78px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(145deg,var(--primary-700),var(--primary-900));
  display:grid;place-items:center;
}
.brand-mark svg{width:22px;height:22px}
.brand-text strong{display:block;font-size:17px;font-weight:800;line-height:1.2;letter-spacing:-.01em}
.brand-text em{display:block;font-style:normal;font-size:11px;color:var(--muted);letter-spacing:.04em;margin-top:1px}
.nav-search{
  position:relative;display:flex;align-items:center;
  flex:1 1 auto;max-width:500px;min-width:220px;height:48px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-sm);
  transition:border-color .15s ease,box-shadow .15s ease;
}
.nav-search:focus-within{border-color:var(--primary-700);box-shadow:0 0 0 3px rgba(27,138,107,.14)}
.nav-search .search-icon{position:absolute;left:14px;width:18px;height:18px;color:var(--muted);pointer-events:none}
.nav-search input{
  flex:1;min-width:0;height:100%;border:0;background:transparent;outline:none;
  padding:0 10px 0 42px;font-size:14px;
}
.nav-search input::placeholder{color:#9AA6A1}
.nav-search input::-webkit-search-cancel-button{-webkit-appearance:none}
.search-btn{
  display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 14px;margin-right:6px;
  border-radius:8px;background:var(--accent);color:#fff;font-size:13px;font-weight:700;flex-shrink:0;
  transition:background .18s ease;
}
.search-btn:hover{background:var(--accent-dark)}
.search-btn svg{width:15px;height:15px}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-links a{
  position:relative;display:inline-block;padding:8px 12px;border-radius:8px;
  font-size:15px;color:#2C3B36;transition:color .15s ease,background .15s ease;
}
.nav-links a:hover{color:var(--accent);background:rgba(255,106,43,.06)}
.nav-links a.is-active{color:var(--primary-700);font-weight:700}
.nav-links a.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:1px;height:2px;border-radius:2px;background:var(--accent);
}
.nav-cta{flex-shrink:0}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);border:1px solid var(--line);
  place-items:center;flex-shrink:0;background:var(--surface);
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:transform .22s ease,opacity .18s ease}
.nav-toggle span+span{margin-top:5px}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
/* 抽屉 */
.drawer{position:fixed;inset:0;z-index:95;background:rgba(10,42,34,.48);opacity:0;pointer-events:none;transition:opacity .22s ease}
.drawer.is-open{opacity:1;pointer-events:auto}
.drawer-panel{
  position:absolute;top:0;right:0;width:min(330px,86vw);height:100%;
  background:var(--surface);padding:26px 22px;overflow-y:auto;
  transform:translateX(100%);transition:transform .26s ease;
  display:flex;flex-direction:column;gap:6px;
}
.drawer.is-open .drawer-panel{transform:none}
.drawer-title{font-size:13px;font-weight:700;color:var(--muted);letter-spacing:.06em;margin-bottom:8px}
.drawer a.drawer-link{
  display:block;padding:13px 14px;border-radius:var(--r-sm);font-size:15px;font-weight:600;
  border:1px solid transparent;transition:background .15s ease,color .15s ease,border-color .15s ease;
}
.drawer a.drawer-link:hover{background:var(--bg);color:var(--accent)}
.drawer a.drawer-link.is-active{background:rgba(27,138,107,.08);color:var(--primary-700);border-color:rgba(27,138,107,.22)}
.drawer-close{align-self:flex-end;width:38px;height:38px;border-radius:10px;border:1px solid var(--line);display:grid;place-items:center;margin-bottom:6px}
.drawer-close svg{width:16px;height:16px}
/* ===== Hero ===== */
.hero{position:relative;background:var(--primary-900);color:#F0EDE6;overflow:hidden;padding:88px 0 96px}
.hero::before{
  content:"";position:absolute;right:-14%;top:-34%;width:860px;height:860px;border-radius:50%;
  border:1px solid rgba(255,255,255,.06);
}
.hero::after{
  content:"";position:absolute;right:-4%;bottom:-42%;width:600px;height:600px;border-radius:50%;
  border:1px solid rgba(255,255,255,.05);
}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;
  background:rgba(255,106,43,.16);color:#FFB48C;
}
.hero-tag i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:block}
.hero h1{
  font-size:clamp(30px,3.5vw,44px);line-height:1.28;font-weight:800;letter-spacing:-.01em;
  margin:22px 0 0;color:#fff;
}
.hero-sub{font-size:17px;color:#BFC9C4;margin-top:18px;max-width:30em;line-height:1.7}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  margin-top:48px;padding-top:30px;border-top:1px solid rgba(255,255,255,.12);
}
.hero-stats li{border-left:2px solid rgba(255,193,60,.5);padding-left:14px}
.hero-stats strong{display:block;font-size:24px;font-weight:800;color:var(--accent-2);font-family:var(--mono);letter-spacing:.02em;line-height:1.2}
.hero-stats span{display:block;font-size:13px;color:#A9B5B0;margin-top:5px;line-height:1.5}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-xl);
  box-shadow:0 24px 48px rgba(0,0,0,.34);
}
.hero-visual::after{
  content:"";position:absolute;inset:0;border-radius:var(--r-xl);
  background:linear-gradient(200deg,rgba(10,42,34,.08),rgba(10,42,34,.42));
}
.corner-badge{
  position:absolute;top:18px;right:18px;z-index:2;
  display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 13px;border-radius:999px;
  background:var(--accent);color:#fff;font-size:13px;font-weight:700;
}
.corner-badge svg{width:14px;height:14px}
.float-card{
  position:absolute;left:18px;bottom:18px;z-index:2;
  width:min(268px,72%);
  background:var(--surface);border-radius:var(--r-lg);padding:18px 18px 16px;
  box-shadow:var(--sh-2);color:var(--ink);
}
.float-card .fc-label{font-size:12px;font-weight:700;color:var(--muted);letter-spacing:.05em}
.float-card .fc-row{display:flex;align-items:baseline;gap:14px;margin-top:10px}
.float-card .fc-metric{font-size:22px;font-weight:800;font-family:var(--mono);color:var(--primary-700);line-height:1.1}
.float-card .fc-metric small{font-size:12px;font-weight:600;color:var(--muted);font-family:var(--font);margin-left:3px}
.float-card .fc-note{margin-top:10px;padding-top:10px;border-top:1px solid var(--line);font-size:13px;color:var(--muted);line-height:1.6}
/* ===== Bento 功能区 ===== */
.bento{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.bento-item{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.bento-item:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D5CFC3}
.bento-item:nth-child(1){grid-column:span 2}
.bento-item:nth-child(4){grid-column:span 2}
.bento-icon{
  width:46px;height:46px;border-radius:var(--r-md);display:grid;place-items:center;flex-shrink:0;
  background:rgba(27,138,107,.10);color:var(--primary-700);margin-bottom:18px;
}
.bento-icon svg{width:22px;height:22px}
.bento-item h3{font-size:20px;font-weight:700;line-height:1.4;letter-spacing:-.01em}
.bento-item p{font-size:15px;color:var(--muted);line-height:1.8;margin-top:12px}
.bento-item .text-link{margin-top:auto;padding-top:20px}
.bento-figure{margin-top:22px;border-radius:var(--r-md);overflow:hidden;background:var(--bg)}
.bento-figure img{width:100%;height:190px;object-fit:cover;transition:transform .4s ease}
.bento-item:hover .bento-figure img{transform:scale(1.03)}
/* ===== 使用场景 ===== */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.scene{
  display:grid;grid-template-columns:190px 1fr;gap:22px;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease;
}
.scene:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.scene-figure{border-radius:var(--r-md);overflow:hidden;background:var(--bg);height:160px}
.scene-figure img{width:100%;height:100%;object-fit:cover}
.scene h3{font-size:18px;font-weight:700;line-height:1.45}
.scene ul{margin-top:14px;display:flex;flex-direction:column;gap:9px}
.scene li{position:relative;padding-left:24px;font-size:14px;color:var(--muted);line-height:1.65}
.scene li::before{
  content:"";position:absolute;left:0;top:8px;width:14px;height:14px;border-radius:4px;
  background:rgba(27,138,107,.12);
}
.scene li::after{
  content:"";position:absolute;left:4px;top:12px;width:6px;height:3px;
  border-left:2px solid var(--primary-500);border-bottom:2px solid var(--primary-500);
  transform:rotate(-45deg);
}
/* ===== 案例 ===== */
.case-list{display:flex;flex-direction:column;gap:32px}
.case{
  display:grid;grid-template-columns:1fr 1.15fr;gap:40px;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);
}
.case:nth-child(even){grid-template-columns:1.15fr 1fr}
.case:nth-child(even) .case-figure{order:2}
.case-figure{border-radius:var(--r-md);overflow:hidden;background:var(--bg);height:280px}
.case-figure img{width:100%;height:100%;object-fit:cover}
.case-metric{
  display:inline-flex;align-items:baseline;gap:6px;
  font-size:26px;font-weight:800;font-family:var(--mono);letter-spacing:.01em;
  color:var(--primary-700);line-height:1.2;
}
.case-metric em{font-style:normal;font-size:13px;font-weight:600;color:var(--muted);font-family:var(--font)}
.case blockquote{
  margin:18px 0 0;padding-left:16px;border-left:3px solid var(--primary-500);
  font-size:16px;line-height:1.85;color:#33443E;
}
.case-by{margin-top:16px;font-size:13px;color:var(--muted);font-weight:600}
/* ===== 价格 ===== */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.plan{
  display:flex;flex-direction:column;position:relative;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:30px 26px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.plan:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.plan.is-featured{border:2px solid var(--accent);padding:34px 28px 32px;margin-top:-12px}
.plan-flag{
  position:absolute;top:-13px;left:26px;
  display:inline-flex;align-items:center;height:26px;padding:0 13px;border-radius:999px;
  background:var(--accent);color:#fff;font-size:12px;font-weight:800;letter-spacing:.04em;
}
.plan h3{font-size:19px;font-weight:700}
.plan-price{display:flex;align-items:baseline;gap:6px;margin-top:16px}
.plan-price strong{font-size:34px;font-weight:800;font-family:var(--mono);letter-spacing:.01em;color:var(--primary-900);line-height:1}
.plan-price span{font-size:14px;color:var(--muted)}
.plan-desc{margin-top:12px;font-size:14px;color:var(--muted);line-height:1.75}
.plan ul{margin:24px 0 0;display:flex;flex-direction:column;gap:12px;flex:1}
.plan li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:#31413B}
.plan li svg{width:17px;height:17px;flex-shrink:0;margin-top:5px}
.plan li .ic-yes{color:var(--primary-500)}
.plan li .ic-no{color:#B9BCB6}
.plan li.is-off{color:#98A19C}
.plan .btn{margin-top:28px}
/* 价格下小问答 */
.mini-faq{margin-top:36px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1)}
/* ===== 手风琴通用 ===== */
.acc-item + .acc-item{border-top:1px solid var(--line)}
.acc-btn{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:56px;padding:16px 22px;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;
  transition:color .15s ease,background .15s ease;
}
.acc-btn:hover{color:var(--accent)}
.acc-btn .acc-ico{
  position:relative;width:20px;height:20px;flex-shrink:0;transition:transform .2s ease;
}
.acc-btn .acc-ico::before,
.acc-btn .acc-ico::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--primary-700);border-radius:2px;
  transform:translate(-50%,-50%);transition:background .15s ease;
}
.acc-btn .acc-ico::before{width:14px;height:2px}
.acc-btn .acc-ico::after{width:2px;height:14px}
.acc-item.is-open .acc-btn{color:var(--primary-700)}
.acc-item.is-open .acc-btn .acc-ico{transform:rotate(180deg)}
.acc-item.is-open .acc-btn .acc-ico::after{opacity:0}
.acc-panel{max-height:0;overflow:hidden;transition:max-height .22s ease}
.acc-panel-inner{padding:0 22px 22px 22px;font-size:15px;line-height:1.85;color:var(--muted);max-width:74ch}
.faq-wrap{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1)}
.faq-grid{display:grid;grid-template-columns:.85fr 1.6fr;gap:48px;align-items:start}
/* ===== 最新信息 ===== */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D8D2C6}
.news-thumb{height:180px;background:linear-gradient(135deg,#E7E3DA,#F3F0EA);overflow:hidden}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.news-body h3{
  font-size:17px;font-weight:700;line-height:1.5;transition:color .18s ease;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card:hover .news-body h3{color:var(--accent)}
.news-body p{
  font-size:14px;color:var(--muted);line-height:1.75;flex:1;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);padding-top:12px;border-top:1px solid var(--line)}
.news-meta .arrow{color:var(--primary-700);font-weight:700;transition:transform .18s ease}
.news-card:hover .news-meta .arrow{transform:translateX(3px)}
/* 空状态 */
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;
  padding:64px 24px;text-align:center;
  background:var(--surface);border:1px dashed var(--line);border-radius:var(--r-lg);
}
.empty-state svg{width:64px;height:64px;color:#C6CFC9}
.empty-state p{font-size:15px;color:var(--muted)}
/* ===== CTA 带 ===== */
.cta-band{background:var(--primary-900);color:#EFEBE2;position:relative;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;left:-6%;top:-60%;width:520px;height:520px;border-radius:50%;
  border:1px solid rgba(255,255,255,.07);
}
.cta-inner{
  position:relative;z-index:1;
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
  padding:64px 0;
}
.cta-inner h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;line-height:1.42;letter-spacing:-.01em;max-width:24em}
.cta-inner p{font-size:15px;color:#B4BFBA;margin-top:12px;max-width:34em}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
/* ===== 页脚 ===== */
.site-footer{background:var(--primary-900);color:#C9D3CE;font-size:14px}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;padding:72px 0 52px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:18px}
.footer-brand .brand-mark{background:linear-gradient(145deg,var(--primary-500),var(--primary-700))}
.footer-brand strong{color:#fff;font-size:17px;font-weight:800;letter-spacing:-.01em}
.footer-desc{line-height:1.85;color:#9FAEA8;max-width:34ch}
.footer-social{display:flex;gap:10px;margin-top:22px}
.footer-social a{
  width:38px;height:38px;border-radius:10px;display:grid;place-items:center;
  border:1px solid rgba(255,255,255,.16);color:#D7DFDB;transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.footer-social a:hover{background:var(--accent);border-color:var(--accent);color:#fff}
.footer-social svg{width:17px;height:17px}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;letter-spacing:.04em;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{color:#A9B7B1;transition:color .15s ease}
.footer-col a:hover{color:var(--accent-2)}
.footer-col p{color:#9FAEA8;line-height:1.9}
.footer-contact li{display:flex;gap:10px;color:#A9B7B1;line-height:1.85}
.footer-contact svg{width:16px;height:16px;flex-shrink:0;margin-top:6px;color:var(--primary-500)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.12);padding:24px 0 32px;
  font-size:13px;color:#8B9A94;
}
.footer-bottom a{color:#B4C1BB}
.footer-bottom a:hover{color:var(--accent-2)}
.footer-acc-btn{display:none}
/* ===== 响应式 ===== */
@media (max-width:1080px){
  :root{--sec:72px}
  .container{padding:0 24px}
  .nav-links{display:none}
  .nav-toggle{display:grid}
  .nav-search{max-width:none}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-visual{max-width:640px}
  .bento{grid-template-columns:repeat(2,1fr)}
  .bento-item:nth-child(1),.bento-item:nth-child(4){grid-column:span 2}
  .plans{grid-template-columns:1fr;gap:20px}
  .plan.is-featured{margin-top:0;order:-1}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .faq-grid{grid-template-columns:1fr;gap:28px}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;padding:56px 0 40px}
}
@media (max-width:768px){
  :root{--sec:56px}
  .container{padding:0 16px}
  .nav-inner{flex-wrap:wrap;height:auto;padding:12px 0;gap:12px}
  .nav-search{order:3;flex-basis:100%;min-width:0;max-width:none;height:44px}
  .brand-text em{display:none}
  .hero{padding:56px 0 64px}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:16px 20px;margin-top:36px;padding-top:24px}
  .hero-stats strong{font-size:20px}
  .float-card{position:static;width:100%;margin-top:-32px;box-shadow:var(--sh-2)}
  .bento{grid-template-columns:1fr}
  .bento-item:nth-child(1),.bento-item:nth-child(4){grid-column:span 1}
  .scene-grid{grid-template-columns:1fr}
  .scene{grid-template-columns:1fr;padding:18px}
  .scene-figure{height:190px}
  .case,.case:nth-child(even){grid-template-columns:1fr;gap:22px;padding:18px}
  .case:nth-child(even) .case-figure{order:0}
  .case-figure{height:210px}
  .news-grid{grid-template-columns:1fr}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:48px 0}
  .footer-top{grid-template-columns:1fr;gap:8px;padding:44px 0 28px}
  .footer-col{border-bottom:1px solid rgba(255,255,255,.10)}
  .footer-col h4{margin:0}
  .footer-acc-btn{
    display:flex;align-items:center;justify-content:space-between;width:100%;
    padding:16px 0;font-size:14px;font-weight:700;color:#fff;letter-spacing:.04em;
  }
  .footer-acc-btn .acc-ico{position:relative;width:18px;height:18px;transition:transform .2s ease}
  .footer-acc-btn .acc-ico::before,
  .footer-acc-btn .acc-ico::after{content:"";position:absolute;left:50%;top:50%;background:#fff;border-radius:2px;transform:translate(-50%,-50%)}
  .footer-acc-btn .acc-ico::before{width:12px;height:2px}
  .footer-acc-btn .acc-ico::after{width:2px;height:12px}
  .footer-col.is-open .footer-acc-btn .acc-ico{transform:rotate(180deg)}
  .footer-col.is-open .footer-acc-btn .acc-ico::after{opacity:0}
  .footer-col .footer-panel{max-height:0;overflow:hidden;transition:max-height .22s ease}
  .footer-col .footer-panel-inner{padding-bottom:18px}
  .footer-desc{margin-top:10px}
  .footer-social{margin-top:18px;margin-bottom:20px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
}
@media (max-width:520px){
  .hero h1{font-size:27px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .btn{padding:0 18px}
  .sec-head{margin-bottom:32px}
  .plan{padding:24px 20px}
  .plan.is-featured{padding:28px 20px 26px}
  .acc-btn{padding:14px 16px;font-size:15px}
  .acc-panel-inner{padding:0 16px 18px 16px}
}

/* roulang page: article */
:root{
  --primary-900:#0A2A22;
  --primary-700:#12594A;
  --primary-500:#1B8A6B;
  --accent:#FF6A2B;
  --accent-hover:#E85A1F;
  --accent-2:#FFC13C;
  --ink:#12211D;
  --muted:#5C6B66;
  --line:#E2DED5;
  --bg:#F7F5F0;
  --surface:#FFFFFF;
  --soft:#F2EFE8;
  --warn:#C7412B;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-card:0 1px 2px rgba(18,33,29,.06), 0 8px 24px rgba(18,33,29,.06);
  --shadow-hover:0 12px 32px rgba(18,33,29,.12);
  --section:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none;transition:color .15s ease}
ul,ol{margin:0;padding:0;list-style:none}
button,input{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--primary-900);outline-offset:2px;border-radius:8px}
h1,h2,h3,h4{margin:0;letter-spacing:0;color:var(--ink)}
p{margin:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:background .2s ease,color .2s ease,transform .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-hover);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{background:transparent;border-color:var(--primary-700);color:var(--primary-700)}
.btn-outline:hover{background:var(--primary-700);color:#fff}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.65);color:#fff}
.btn-ghost:hover{background:#fff;color:var(--primary-900)}
.btn-sm{height:42px;padding:0 18px;font-size:14px}
.btn[disabled]{opacity:.5;cursor:default;transform:none}

/* 徽章 */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;
  border-radius:999px;font-size:13px;font-weight:600;line-height:1;
}
.badge-cat{background:rgba(27,138,107,.1);color:var(--primary-700)}
.badge-accent{background:var(--accent);color:#fff}

/* 头部导航 */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-stuck{box-shadow:0 8px 24px rgba(18,33,29,.09)}
.header-inner{display:flex;align-items:center;gap:18px;min-height:76px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{display:inline-flex;width:32px;height:32px;flex:0 0 32px}
.brand-mark svg{width:100%;height:100%}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:17px;font-weight:800;color:var(--primary-900)}
.brand-text em{font-style:normal;font-size:11px;color:var(--muted);letter-spacing:.02em}
.nav-search{
  position:relative;display:flex;align-items:center;
  flex:1 1 380px;min-width:280px;max-width:520px;height:48px;
  background:var(--soft);border:1px solid var(--line);border-radius:var(--radius-btn);
  transition:border-color .2s ease, box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--primary-700);box-shadow:0 0 0 3px rgba(18,89,74,.12)}
.nav-search svg{width:18px;height:18px;margin-left:16px;flex:0 0 18px;stroke:var(--muted)}
.nav-search input{
  flex:1;height:100%;border:0;background:transparent;padding:0 12px;font-size:15px;outline:none;
}
.nav-search input::placeholder{color:#8A968F}
.nav-search button{
  display:inline-flex;align-items:center;gap:6px;
  height:36px;margin-right:6px;padding:0 16px;border-radius:8px;
  background:var(--accent);color:#fff;font-size:14px;font-weight:600;
  transition:background .2s ease;
}
.nav-search button:hover{background:var(--accent-hover)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  position:relative;padding:10px 12px;font-size:14.5px;font-weight:500;color:#31413C;border-radius:8px;
  white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .15s ease;
}
.nav-links a:hover{color:var(--accent)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.is-active{color:var(--primary-900);font-weight:700}
.nav-links a.is-active::after{transform:scaleX(1)}
.nav-cta{flex:0 0 auto}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--primary-900);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.menu-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle.is-open span:nth-child(2){opacity:0}
.menu-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-drawer{
  display:none;border-bottom:1px solid var(--line);background:var(--surface);
  padding:16px 0 22px;
}
.mobile-drawer.is-open{display:block}
.mobile-drawer nav{display:flex;flex-direction:column;gap:2px;margin-bottom:14px}
.mobile-drawer nav a{
  padding:12px 4px;font-size:15px;font-weight:600;color:#31413C;border-bottom:1px solid var(--line);
}
.mobile-drawer nav a.is-active{color:var(--accent)}

/* 面包屑 */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--muted);padding:20px 0 0;
}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{color:#B9C1BC}
.breadcrumb .current{color:#31413C;max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* 文章头 */
.article-hero{background:var(--surface);border-bottom:1px solid var(--line);padding-bottom:34px}
.article-head{padding-top:22px;max-width:900px}
.article-head h1{
  font-size:36px;line-height:1.35;font-weight:800;margin:16px 0 0;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:18px;font-size:14px;color:var(--muted);
}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:#C4CCC7}
.meta-row time{color:#31413C}

/* 文章主体 */
.article-body-section{padding:56px 0 var(--section)}
.article-layout{
  display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);
  gap:44px;align-items:start;
}
.article-layout.is-single{grid-template-columns:minmax(0,1fr);max-width:880px}
.article-main{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);padding:40px 44px 44px;
}
.article-side{position:sticky;top:104px;display:flex;flex-direction:column;gap:20px}

/* 长文排版 */
.rich-text{font-size:16px;line-height:1.85;color:#22322D}
.rich-text > *:first-child{margin-top:0}
.rich-text h2{
  position:relative;font-size:24px;line-height:1.5;font-weight:700;
  margin:40px 0 16px;padding-left:14px;
}
.rich-text h2::before{
  content:"";position:absolute;left:0;top:.42em;width:4px;height:.95em;
  background:var(--accent);border-radius:2px;
}
.rich-text h3{font-size:19px;font-weight:600;margin:28px 0 12px;color:var(--primary-900)}
.rich-text p{margin:0 0 20px}
.rich-text a{color:var(--primary-700);border-bottom:2px solid rgba(255,106,43,.35)}
.rich-text a:hover{color:var(--accent);border-bottom-color:var(--accent)}
.rich-text ul,.rich-text ol{margin:0 0 20px}
.rich-text li{position:relative;padding-left:22px;margin-bottom:10px}
.rich-text ul > li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:50%;
  background:var(--primary-500);
}
.rich-text ol{counter-reset:item}
.rich-text ol > li{counter-increment:item}
.rich-text ol > li::before{
  content:counter(item);position:absolute;left:0;top:.2em;
  font-size:13px;font-weight:700;color:var(--accent);
}
.rich-text blockquote{
  margin:0 0 22px;padding:16px 20px;background:#F4F7F5;
  border-left:3px solid var(--primary-500);border-radius:0 var(--radius-img) var(--radius-img) 0;
  color:#2C3D37;
}
.rich-text blockquote p:last-child{margin-bottom:0}
.rich-text img{border-radius:var(--radius-img);margin:8px 0 24px;width:100%;height:auto}
.rich-text figure{margin:0 0 24px}
.rich-text figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px}
.rich-text table{
  display:block;width:100%;overflow-x:auto;border-collapse:collapse;
  margin:0 0 24px;font-size:15px;
}
.rich-text th,.rich-text td{border:1px solid var(--line);padding:10px 14px;text-align:left;white-space:nowrap}
.rich-text thead th{background:#F4F1EA;font-weight:700;color:var(--primary-900)}
.rich-text tbody tr:nth-child(even){background:#FAF8F3}
.rich-text pre{
  background:#0F2E26;color:#E9F3EF;border-radius:var(--radius-img);
  padding:18px 20px;overflow-x:auto;margin:0 0 22px;font-size:14px;line-height:1.7;
}
.rich-text code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:14px;background:#F1EEE7;padding:2px 6px;border-radius:6px;color:#12594A;
}
.rich-text pre code{background:none;padding:0;color:inherit}
.rich-text hr{border:0;height:1px;background:var(--line);margin:36px 0}

/* 标签区 */
.tag-block{
  margin-top:36px;padding-top:26px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
}
.tag-block-label{font-size:13px;font-weight:700;color:var(--muted)}
.tag-list{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;
  border-radius:999px;border:1px solid var(--line);background:var(--soft);
  font-size:13px;color:#31413C;transition:border-color .2s ease,color .2s ease;
}
.tag:hover{border-color:var(--accent);color:var(--accent)}

/* 侧栏卡片 */
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);padding:24px;
}
.side-card h3{font-size:16px;font-weight:700;margin-bottom:6px}
.side-card .side-sub{font-size:13.5px;color:var(--muted);margin-bottom:16px}
.side-links{display:flex;flex-direction:column;gap:10px}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 14px;border-radius:var(--radius-btn);background:var(--soft);
  font-size:14.5px;font-weight:600;color:#25352F;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.side-links a:hover{background:rgba(27,138,107,.1);color:var(--primary-700);transform:translateX(2px)}
.side-links svg{width:16px;height:16px;flex:0 0 16px;stroke:var(--accent)}
.side-tags{display:flex;flex-wrap:wrap;gap:8px}
.side-tags span{
  font-size:13px;padding:6px 12px;border-radius:999px;background:var(--soft);
  border:1px solid var(--line);color:#3C4B46;
}
.subscribe-form{display:flex;flex-direction:column;gap:12px}
.field label{display:block;font-size:13px;font-weight:700;margin-bottom:6px;color:#31413C}
.field input{
  width:100%;height:48px;border-radius:var(--radius-btn);border:1px solid var(--line);
  background:#fff;padding:0 14px;font-size:15px;outline:none;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.field input:focus{border-color:var(--primary-700);box-shadow:0 0 0 3px rgba(18,89,74,.12)}
.form-hint{font-size:13px;color:var(--muted)}
.subscribe-form .btn{width:100%}

/* 相关栏目推荐 */
.related-section{padding:0 0 var(--section)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.section-head h2{font-size:28px;font-weight:700}
.section-head p{font-size:14.5px;color:var(--muted);margin-top:6px}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-card);transition:transform .2s ease,box-shadow .2s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.card-thumb{aspect-ratio:16/9;background:var(--soft);overflow:hidden}
.card-thumb img{width:100%;height:100%;object-fit:cover}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:17px;font-weight:700;line-height:1.5}
.card:hover .card-body h3{color:var(--accent)}
.card-body p{font-size:14px;line-height:1.7;color:var(--muted)}
.card-foot{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--muted);
}
.card-foot svg{width:16px;height:16px;stroke:var(--accent);transition:transform .2s ease}
.card:hover .card-foot svg{transform:translateX(3px)}

/* 空状态 */
.empty-state{
  text-align:center;padding:36px 20px 28px;
  display:flex;flex-direction:column;align-items:center;gap:14px;
}
.empty-state svg{width:96px;height:96px;stroke:var(--primary-500);opacity:.75}
.empty-state h3{font-size:20px;font-weight:700}
.empty-state p{font-size:14.5px;color:var(--muted);max-width:44ch}

/* 底部 CTA */
.cta-band{background:var(--primary-900);color:#F3F1EA;padding:56px 0;border-radius:0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-inner h2{color:#fff;font-size:26px;font-weight:700}
.cta-inner p{color:#C6D4CF;font-size:14.5px;margin-top:8px;max-width:56ch}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* 页脚 */
.site-footer{background:var(--primary-900);color:#DCE6E2;padding:60px 0 28px}
.footer-top{
  display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:36px;
  padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.14);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{width:30px;height:30px;flex:0 0 30px}
.footer-brand strong{font-size:17px;font-weight:800;color:#fff}
.footer-desc{font-size:14px;line-height:1.75;color:#AFC1BB;max-width:40ch}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:10px;border:1px solid rgba(255,255,255,.22);
  transition:background .2s ease,transform .2s ease;
}
.footer-social a:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}
.footer-social svg{width:18px;height:18px}
.footer-acc-btn{
  display:none;width:100%;align-items:center;justify-content:space-between;
  font-size:15px;font-weight:700;color:#fff;padding:12px 0;
}
.acc-ico{position:relative;width:14px;height:14px;flex:0 0 14px;color:var(--accent-2)}
.acc-ico::before,.acc-ico::after{
  content:"";position:absolute;left:0;top:6px;width:14px;height:2px;background:currentColor;
  transition:transform .2s ease;
}
.acc-ico::after{transform:rotate(90deg)}
.footer-acc-btn.is-open .acc-ico::after{transform:rotate(0)}
.footer-panel-inner h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-panel-inner ul{display:flex;flex-direction:column;gap:10px}
.footer-panel-inner a{font-size:14px;color:#AFC1BB}
.footer-panel-inner a:hover{color:var(--accent-2)}
.footer-meta{
  display:flex;flex-wrap:wrap;gap:12px 28px;
  padding:22px 0;border-bottom:1px solid rgba(255,255,255,.14);
  font-size:13.5px;color:#9FB2AC;
}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  padding-top:20px;font-size:13px;color:#8FA39D;
}

/* 响应式 */
@media (max-width:1024px){
  .container{padding:0 24px}
  .header-inner{flex-wrap:wrap;gap:12px 16px;padding-bottom:12px}
  .nav-search{order:3;flex:1 1 100%;max-width:none;min-width:0;height:44px}
  .nav-links,.nav-cta{display:none}
  .menu-toggle{display:inline-flex;margin-left:auto}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:28px}
  .article-side{position:static}
  .article-main{padding:32px 28px 34px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .section-head h2{font-size:24px}
  :root{--section:72px}
}
@media (max-width:768px){
  .article-head h1{font-size:28px;line-height:1.4}
  .breadcrumb .current{max-width:100%;white-space:normal}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .footer-top{grid-template-columns:1fr;gap:6px}
  .footer-acc-btn{display:flex}
  .footer-panel{display:none}
  .footer-panel.is-open{display:block;padding-bottom:12px}
  .footer-panel-inner h4{display:none}
  .footer-panel-inner ul{gap:8px}
  .footer-desc{max-width:none}
  :root{--section:56px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .brand-text strong{font-size:15.5px}
  .brand-text em{display:none}
  .article-main{padding:24px 18px 28px;border-radius:12px}
  .card-grid{grid-template-columns:minmax(0,1fr)}
  .rich-text pre{padding:14px 16px;font-size:13px}
  .btn{width:100%}
  .cta-actions{width:100%}
  .nav-search button{padding:0 14px}
  .nav-search button span{display:none}
}

/* roulang page: category1 */
/* ============ 1. 设计变量 ============ */
:root{
  --primary-900:#0A2A22;
  --primary-700:#12594A;
  --primary-500:#1B8A6B;
  --primary-100:#E4F1EC;
  --accent:#FF6A2B;
  --accent-hover:#E85A1F;
  --accent-2:#FFC13C;
  --ink:#12211D;
  --muted:#5C6B66;
  --line:#E2DED5;
  --bg:#F7F5F0;
  --surface:#FFFFFF;
  --warn:#C7412B;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-img:12px;
  --radius-hero:20px;
  --shadow-card:0 1px 2px rgba(18,33,29,.06), 0 8px 24px rgba(18,33,29,.06);
  --shadow-hover:0 12px 32px rgba(18,33,29,.12);
  --sec:96px;
  --container:1200px;
  --font:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}

/* ============ 2. 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .15s ease}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
:focus-visible{outline:2px solid var(--primary-900);outline-offset:2px;border-radius:4px}
::selection{background:rgba(255,106,43,.22)}

/* ============ 3. 容器与通用板块 ============ */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}
.section{padding:var(--sec) 0}
.section-alt{background:var(--surface)}
.section-dark{background:var(--primary-900);color:#F2EFE8}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  line-height:20px;
  letter-spacing:.04em;
  color:var(--primary-700);
  background:var(--primary-100);
  border-radius:999px;
  padding:5px 14px;
}
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{
  font-size:28px;
  line-height:1.36;
  font-weight:700;
  letter-spacing:-.005em;
  margin-top:16px;
}
.section-head p{margin-top:14px;color:var(--muted);max-width:68ch}
.section-head.on-dark h2{color:#F7F5F0}
.section-head.on-dark p{color:rgba(247,245,240,.76)}
.section-head.on-dark .eyebrow{background:rgba(255,255,255,.1);color:#7CE0BF}

/* ============ 4. 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:0 8px 24px rgba(18,33,29,.09)}
.header-inner{
  display:flex;
  align-items:center;
  gap:22px;
  min-height:72px;
  padding-top:10px;
  padding-bottom:10px;
}
.brand{display:inline-flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{
  width:40px;height:40px;flex:0 0 auto;
  border-radius:12px;
  background:var(--primary-900);
  display:grid;place-items:center;
  box-shadow:0 6px 16px rgba(10,42,34,.22);
}
.brand-mark svg{width:24px;height:24px}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:16px;font-weight:800;letter-spacing:-.01em;color:var(--primary-900)}
.brand-text em{
  font-style:normal;
  font-size:12px;
  font-weight:600;
  color:var(--primary-500);
  letter-spacing:.14em;
}

.nav-search{
  flex:1 1 auto;
  max-width:520px;
  min-width:280px;
  display:flex;
  align-items:center;
  gap:8px;
  height:48px;
  padding:0 6px 0 16px;
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  transition:border-color .2s ease, box-shadow .2s ease;
}
.nav-search:focus-within{
  border-color:var(--primary-700);
  box-shadow:0 0 0 3px rgba(18,89,74,.14);
}
.nav-search svg{width:18px;height:18px;flex:0 0 auto;stroke:var(--muted)}
.nav-search input{
  flex:1 1 auto;
  min-width:0;
  height:44px;
  border:0;
  background:transparent;
  color:var(--ink);
  font-size:15px;
  outline:none;
}
.nav-search input::placeholder{color:#98A29E}
.nav-search button{
  flex:0 0 auto;
  height:36px;
  padding:0 16px;
  border-radius:8px;
  background:var(--accent);
  color:#fff;
  font-size:14px;
  font-weight:600;
  transition:background .2s ease;
}
.nav-search button:hover{background:var(--accent-hover)}

.nav-links{display:flex;align-items:center;gap:4px;flex:0 0 auto}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:8px 10px;
  font-size:14.5px;
  font-weight:500;
  color:var(--muted);
  white-space:nowrap;
  border-radius:8px;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:10px;right:10px;bottom:2px;
  height:2px;
  background:var(--accent);
  border-radius:2px;
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .18s ease;
}
.nav-links a:hover{color:var(--primary-900)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.is-active{color:var(--primary-900);font-weight:700}
.nav-links a.is-active::after{transform:scaleX(1)}

.nav-cta{flex:0 0 auto;height:44px;padding:0 20px;font-size:14.5px}

.nav-toggle{
  display:none;
  width:44px;height:44px;
  margin-left:auto;
  border:1px solid var(--line);
  border-radius:10px;
  background:var(--surface);
  position:relative;
}
.nav-toggle span{
  position:absolute;
  left:12px;
  width:20px;height:2px;
  background:var(--primary-900);
  border-radius:2px;
  transition:transform .22s ease, opacity .22s ease, top .22s ease;
}
.nav-toggle span:nth-child(1){top:15px}
.nav-toggle span:nth-child(2){top:21px}
.nav-toggle span:nth-child(3){top:27px}
.nav-toggle.is-open span:nth-child(1){top:21px;transform:rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){top:21px;transform:rotate(-45deg)}

.mobile-drawer{
  display:none;
  max-height:0;
  overflow:hidden;
  background:var(--surface);
  border-top:1px solid transparent;
  transition:max-height .3s ease, border-color .3s ease;
}
.mobile-drawer.is-open{
  max-height:78vh;
  overflow-y:auto;
  border-top-color:var(--line);
}
.mobile-drawer-inner{padding:18px 0 26px}
.mobile-drawer .nav-search{max-width:none;min-width:0;margin-bottom:16px}
.drawer-links{display:flex;flex-direction:column;gap:2px}
.drawer-links a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:13px 4px;
  font-size:15.5px;
  font-weight:500;
  color:var(--ink);
  border-bottom:1px solid var(--line);
}
.drawer-links a::after{
  content:"";
  width:7px;height:7px;
  border-right:2px solid var(--muted);
  border-bottom:2px solid var(--muted);
  transform:rotate(-45deg);
}
.drawer-links a.is-active{color:var(--accent);font-weight:700}
.drawer-links a.is-active::after{border-color:var(--accent)}
.mobile-drawer .btn{width:100%;margin-top:18px}

/* ============ 5. 按钮与徽章 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  line-height:1;
  white-space:nowrap;
  transition:background .2s ease, color .2s ease, transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.btn svg{width:16px;height:16px}
.btn-primary{
  background:var(--accent);
  color:#fff;
  box-shadow:0 6px 18px rgba(255,106,43,.26);
}
.btn-primary:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,106,43,.3)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 12px rgba(255,106,43,.24)}
.btn-outline{
  background:transparent;
  border:1px solid var(--primary-700);
  color:var(--primary-700);
}
.btn-outline:hover{background:var(--primary-700);color:#fff;transform:translateY(-2px)}
.btn-outline:active{transform:translateY(1px)}
.btn-ghost{
  background:transparent;
  border:1px solid rgba(255,255,255,.72);
  color:#fff;
}
.btn-ghost:hover{background:#fff;color:var(--primary-900);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{height:42px;padding:0 18px;font-size:14px}
.btn[disabled]{opacity:.5;cursor:default;pointer-events:none}

.badge{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 12px;
  border-radius:999px;
  font-size:13px;
  font-weight:600;
  line-height:1;
  background:rgba(27,138,107,.1);
  color:var(--primary-700);
}
.badge-accent{background:var(--accent);color:#fff}
.badge-soft{background:var(--primary-100);color:var(--primary-700)}
.badge-light{background:rgba(255,255,255,.16);color:#F2EFE8}

/* ============ 6. 面包屑 ============ */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(247,245,240,.72);
  margin-bottom:20px;
}
.breadcrumb a:hover{color:var(--accent-2)}
.breadcrumb .sep{opacity:.55}

/* ============ 7. 分类页首屏 ============ */
.page-hero{
  position:relative;
  background:var(--primary-900);
  color:#F7F5F0;
  overflow:hidden;
  isolation:isolate;
}
.page-hero-media{
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  opacity:.42;
  z-index:-2;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(105deg, rgba(10,42,34,.94) 8%, rgba(10,42,34,.76) 48%, rgba(10,42,34,.5) 100%);
  z-index:-1;
}
.page-hero-inner{
  min-height:320px;
  padding-top:56px;
  padding-bottom:56px;
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.page-hero h1{
  font-size:36px;
  line-height:1.28;
  font-weight:800;
  letter-spacing:-.01em;
  max-width:20ch;
  margin-top:18px;
}
.page-hero .hero-sub{
  margin-top:18px;
  max-width:56ch;
  font-size:16.5px;
  color:rgba(247,245,240,.84);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-stats{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:18px;
  margin-top:44px;
  padding-top:26px;
  border-top:1px solid rgba(247,245,240,.18);
}
.hero-stats li{min-width:0}
.hero-stats .num{
  display:block;
  font-size:24px;
  font-weight:800;
  color:var(--accent-2);
  letter-spacing:.01em;
  line-height:1.3;
}
.hero-stats .lbl{
  display:block;
  margin-top:4px;
  font-size:13.5px;
  color:rgba(247,245,240,.74);
}

/* ============ 8. 栏目说明条 ============ */
.scope-bar{
  background:var(--surface);
  border-bottom:1px solid var(--line);
  padding:34px 0;
}
.scope-bar p{
  max-width:78ch;
  color:var(--muted);
  font-size:15.5px;
}
.scope-bar strong{color:var(--primary-900)}

/* ============ 9. Bento 宫格 ============ */
.bento{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  grid-auto-rows:minmax(168px, auto);
  gap:20px;
}
.bento-card{
  position:relative;
  display:flex;
  flex-direction:column;
  justify-content:flex-start;
  gap:12px;
  padding:26px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  overflow:hidden;
}
.bento-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#D6D0C4}
.bento-card .ico{
  width:44px;height:44px;
  flex:0 0 auto;
  border-radius:12px;
  background:var(--primary-100);
  display:grid;place-items:center;
}
.bento-card .ico svg{width:22px;height:22px;stroke:var(--primary-700)}
.bento-card h3{font-size:18px;font-weight:700;line-height:1.4}
.bento-card p{font-size:14.5px;line-height:1.72;color:var(--muted)}
.bento-card .card-link{
  margin-top:auto;
  font-size:14px;
  font-weight:600;
  color:var(--primary-700);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.bento-card .card-link:hover{color:var(--accent)}
.bento-card .card-link svg{width:14px;height:14px}

.b-lg{grid-column:span 2;grid-row:span 2;justify-content:flex-end;color:#F7F5F0;border-color:transparent}
.b-lg::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url('/assets/images/coverpic/cover-2.png');
  background-size:cover;
  background-position:center;
  z-index:0;
}
.b-lg::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, rgba(10,42,34,.28) 0%, rgba(10,42,34,.88) 78%);
  z-index:1;
}
.b-lg > *{position:relative;z-index:2}
.b-lg h3{font-size:24px}
.b-lg p{color:rgba(247,245,240,.85);font-size:15px;max-width:44ch}
.b-lg .card-link{color:var(--accent-2)}
.b-lg .card-link:hover{color:#fff}
.b-lg .ico{background:rgba(255,255,255,.14)}
.b-lg .ico svg{stroke:#7CE0BF}
.b-lg .badge{background:rgba(255,193,60,.2);color:var(--accent-2)}

.b-wide{grid-column:span 2}
.b-wide .row-inner{display:flex;gap:16px;align-items:flex-start}
.b-wide .row-inner .ico{flex:0 0 auto}
.b-wide .row-inner .txt{min-width:0}

/* ============ 10. 图文交替 ============ */
.feature-row{
  display:grid;
  grid-template-columns:1.05fr 1fr;
  gap:56px;
  align-items:center;
}
.feature-row + .feature-row{margin-top:72px}
.feature-row.is-reverse .feature-media{order:2}
.feature-media{
  position:relative;
  border-radius:var(--radius-hero);
  overflow:hidden;
  background:var(--primary-100);
  box-shadow:var(--shadow-card);
  aspect-ratio:16 / 10;
}
.feature-media img{width:100%;height:100%;object-fit:cover}
.feature-media .tag-float{
  position:absolute;
  left:18px;bottom:18px;
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:34px;
  padding:0 14px;
  border-radius:999px;
  background:rgba(10,42,34,.82);
  color:#F7F5F0;
  font-size:13px;
  font-weight:600;
}
.feature-text h3{font-size:22px;font-weight:700;line-height:1.4;margin-top:16px}
.feature-text > p{margin-top:14px;color:var(--muted);max-width:52ch}
.point-list{margin-top:22px;display:flex;flex-direction:column;gap:12px}
.point-list li{
  display:flex;
  gap:11px;
  align-items:flex-start;
  font-size:15px;
  line-height:1.7;
}
.point-list li .dot{
  flex:0 0 auto;
  width:20px;height:20px;
  margin-top:3px;
  border-radius:50%;
  background:var(--primary-100);
  display:grid;place-items:center;
}
.point-list li .dot svg{width:11px;height:11px;stroke:var(--primary-700);stroke-width:2.6}
.point-list li span.txt{color:var(--ink)}
.point-list li span.txt em{font-style:normal;color:var(--muted)}

/* ============ 11. 场景卡 ============ */
.scene-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
}
.scene-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px;
  box-shadow:var(--shadow-card);
  transition:transform .2s ease, box-shadow .2s ease;
}
.scene-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.scene-card .ico{
  width:40px;height:40px;
  border-radius:11px;
  background:rgba(255,106,43,.1);
  display:grid;place-items:center;
  margin-bottom:16px;
}
.scene-card .ico svg{width:20px;height:20px;stroke:var(--accent)}
.scene-card h3{font-size:16.5px;font-weight:700;line-height:1.45}
.scene-card p{margin-top:10px;font-size:14.5px;color:var(--muted);line-height:1.72}

/* ============ 12. FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-list{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-card);
}
.faq-item + .faq-item{border-top:1px solid var(--line)}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:56px;
  padding:16px 24px;
  text-align:left;
  font-size:16px;
  font-weight:600;
  line-height:1.6;
  color:var(--ink);
  transition:color .18s ease, background .18s ease;
}
.faq-q:hover{color:var(--primary-700);background:#FCFBF8}
.faq-ico{
  position:relative;
  flex:0 0 auto;
  width:20px;height:20px;
}
.faq-ico::before,
.faq-ico::after{
  content:"";
  position:absolute;
  background:var(--primary-700);
  border-radius:2px;
  transition:transform .22s ease, opacity .22s ease;
}
.faq-ico::before{top:9px;left:2px;width:16px;height:2px}
.faq-ico::after{left:9px;top:2px;width:2px;height:16px}
.faq-item.is-open .faq-ico::after{transform:rotate(90deg);opacity:0}
.faq-item.is-open .faq-q{color:var(--primary-900)}
.faq-a{
  display:grid;
  grid-template-rows:0fr;
  transition:grid-template-rows .22s ease;
}
.faq-item.is-open .faq-a{grid-template-rows:1fr}
.faq-a-inner{overflow:hidden}
.faq-a-inner p{
  padding:0 24px 20px 24px;
  color:var(--muted);
  font-size:15px;
  line-height:1.78;
  max-width:74ch;
}

/* ============ 13. 底部 CTA ============ */
.cta-band{background:var(--primary-900);color:#F7F5F0;position:relative;overflow:hidden}
.cta-band::before{
  content:"";
  position:absolute;
  right:-120px;top:-120px;
  width:420px;height:420px;
  border-radius:50%;
  border:1px solid rgba(255,193,60,.18);
  pointer-events:none;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-40px;bottom:-160px;
  width:300px;height:300px;
  border-radius:50%;
  border:1px solid rgba(124,224,191,.16);
  pointer-events:none;
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  padding:64px 0;
}
.cta-inner h2{font-size:26px;font-weight:700;line-height:1.4;max-width:24ch}
.cta-inner p{margin-top:12px;color:rgba(247,245,240,.78);max-width:46ch;font-size:15.5px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex:0 0 auto}

/* ============ 14. 页脚 ============ */
.site-footer{background:var(--primary-900);color:#F2EFE8;padding-top:68px}
.footer-top{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-brand .brand-mark{background:rgba(255,255,255,.08);box-shadow:none}
.footer-brand strong{font-size:16.5px;font-weight:800;letter-spacing:-.01em}
.footer-desc{color:rgba(242,239,232,.72);font-size:14.5px;max-width:34ch;line-height:1.78}
.footer-social{display:flex;gap:10px;margin-top:22px}
.footer-social a{
  width:38px;height:38px;
  border-radius:10px;
  border:1px solid rgba(242,239,232,.22);
  display:grid;place-items:center;
  transition:background .2s ease, border-color .2s ease, transform .2s ease;
}
.footer-social a:hover{background:rgba(255,193,60,.16);border-color:rgba(255,193,60,.5);transform:translateY(-2px)}
.footer-social svg{width:18px;height:18px;stroke:currentColor}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col ul a{font-size:14.5px;color:rgba(242,239,232,.74)}
.footer-col ul a:hover{color:var(--accent-2)}
.footer-acc-btn{display:none}
.footer-panel{display:block}
.footer-contact{
  display:flex;
  flex-wrap:wrap;
  gap:12px 32px;
  padding:22px 0;
  border-top:1px solid rgba(242,239,232,.14);
  font-size:13.5px;
  color:rgba(242,239,232,.66);
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:20px 0 30px;
  border-top:1px solid rgba(242,239,232,.14);
  font-size:13px;
  color:rgba(242,239,232,.6);
}

/* ============ 15. 响应式 ============ */
@media (max-width:1280px){
  .nav-links a{padding:8px 8px;font-size:14px}
}
@media (max-width:1119px){
  :root{--sec:72px}
  .header-inner{flex-wrap:wrap;row-gap:12px}
  .nav-links,.nav-cta{display:none}
  .nav-toggle{display:block}
  .nav-search{order:3;flex:1 1 100%;max-width:none;min-width:0;height:44px}
  .mobile-drawer{display:block}
  .brand-text strong{font-size:15.5px}
  .bento{grid-template-columns:repeat(2,minmax(0,1fr))}
  .b-lg{grid-column:span 2;grid-row:span 1;min-height:280px}
  .b-wide{grid-column:span 2}
  .feature-row{grid-template-columns:1fr;gap:28px}
  .feature-row.is-reverse .feature-media{order:0}
  .feature-row + .feature-row{margin-top:56px}
  .scene-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-top{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
  .footer-acc-btn{
    display:flex;
    align-items:center;
    justify-content:space-between;
    width:100%;
    padding:14px 0;
    font-size:15px;
    font-weight:700;
    color:#fff;
    border-bottom:1px solid rgba(242,239,232,.16);
    text-align:left;
  }
  .acc-ico{
    position:relative;
    width:16px;height:16px;
    flex:0 0 auto;
  }
  .acc-ico::before,.acc-ico::after{
    content:"";
    position:absolute;
    background:rgba(242,239,232,.86);
    border-radius:2px;
    transition:transform .22s ease, opacity .22s ease;
  }
  .acc-ico::before{top:7px;left:1px;width:14px;height:2px}
  .acc-ico::after{left:7px;top:1px;width:2px;height:14px}
  .footer-acc-btn[aria-expanded="true"] .acc-ico::after{transform:rotate(90deg);opacity:0}
  .footer-panel{
    display:grid;
    grid-template-rows:0fr;
    transition:grid-template-rows .25s ease;
  }
  .footer-panel.is-open{grid-template-rows:1fr}
  .footer-panel-inner{overflow:hidden}
  .footer-col h4{display:none}
  .footer-col ul{padding:14px 0 6px;gap:12px}
}
@media (max-width:768px){
  :root{--sec:56px}
  .container{padding:0 24px}
  .page-hero h1{font-size:30px;max-width:none}
  .page-hero .hero-sub{font-size:15.5px}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 22px;margin-top:34px}
  .hero-stats .num{font-size:21px}
  .scope-bar{padding:26px 0}
  .bento{grid-template-columns:1fr;grid-auto-rows:auto}
  .b-lg,.b-wide{grid-column:span 1}
  .b-lg{min-height:260px}
  .section-head h2{font-size:23px}
  .feature-text h3{font-size:19px}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:52px 0}
  .cta-inner h2{font-size:22px;max-width:none}
  .footer-top{grid-template-columns:1fr;gap:6px;padding-bottom:32px}
  .footer-brand-col{padding-bottom:22px}
  .footer-desc{max-width:none}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .page-hero-inner{min-height:220px;padding-top:40px;padding-bottom:44px}
  .page-hero h1{font-size:25px;line-height:1.34}
  .brand-text em{letter-spacing:.08em;font-size:11px}
  .hero-actions .btn{width:100%}
  .hero-stats{grid-template-columns:1fr 1fr}
  .scene-grid{grid-template-columns:1fr}
  .bento-card{padding:22px}
  .faq-q{padding:15px 18px;font-size:15.5px}
  .faq-a-inner p{padding:0 18px 18px 18px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
}

/* roulang page: category2 */
:root{
  --primary-900:#0A2A22;
  --primary-700:#12594A;
  --primary-500:#1B8A6B;
  --accent:#FF6A2B;
  --accent-hover:#E85A1F;
  --accent-2:#FFC13C;
  --ink:#12211D;
  --muted:#5C6B66;
  --line:#E2DED5;
  --bg:#F7F5F0;
  --surface:#FFFFFF;
  --warn:#C7412B;
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --r-hero:20px;
  --shadow:0 1px 2px rgba(18,33,29,.06),0 8px 24px rgba(18,33,29,.06);
  --shadow-hover:0 12px 32px rgba(18,33,29,.12);
  --container:1200px;
  --sec:96px;
  --font: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%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font-family:inherit;font-size:15px}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1{font-size:36px;line-height:1.22;font-weight:800;letter-spacing:-.01em}
h2{font-size:28px;line-height:1.35;font-weight:700}
h3{font-size:20px;line-height:1.5;font-weight:600}
p{font-size:16px;line-height:1.75}
::selection{background:var(--accent);color:#fff}
:focus-visible{outline:2px solid var(--primary-900);outline-offset:2px;border-radius:6px}

.container{max-width:var(--container);margin:0 auto;padding:0 32px;width:100%}
.section{padding:var(--sec) 0}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:48px}
.section-head h2{margin-bottom:14px}
.section-head p{color:var(--muted);font-size:16px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--primary-700);
  background:rgba(27,138,107,.1);
  border-radius:999px;padding:5px 14px;margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:999px;background:var(--accent)}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 10px 26px rgba(18,33,29,.1)}
.header-inner{
  display:flex;align-items:center;gap:20px;
  min-height:76px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:11px;
  background:var(--primary-900);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.brand-mark svg{width:22px;height:22px}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:16px;font-weight:800;letter-spacing:-.01em;color:var(--ink)}
.brand-text em{font-style:normal;font-size:11px;color:var(--muted);margin-top:2px}

.nav-search{
  flex:1 1 auto;max-width:520px;min-width:0;
  display:flex;align-items:center;
  height:48px;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-btn);
  padding-left:14px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--primary-700);box-shadow:0 0 0 3px rgba(18,89,74,.14)}
.nav-search .s-ico{width:18px;height:18px;flex-shrink:0;color:var(--muted)}
.nav-search input{
  flex:1 1 auto;min-width:0;border:0;outline:none;background:transparent;
  padding:0 12px;color:var(--ink);
}
.nav-search input::placeholder{color:#9AA6A1}
.nav-search button{
  display:flex;align-items:center;gap:6px;
  height:38px;margin-right:5px;padding:0 16px;
  background:var(--accent);color:#fff;font-size:14px;font-weight:600;
  border-radius:8px;transition:background .2s ease;
}
.nav-search button:hover{background:var(--accent-hover)}
.nav-search button svg{width:15px;height:15px}

.nav-links{display:flex;align-items:center;gap:4px;flex-shrink:0}
.nav-links a{
  position:relative;display:block;
  padding:8px 12px;font-size:14.5px;font-weight:500;color:var(--ink);
  border-radius:8px;white-space:nowrap;
  transition:color .18s ease,background .18s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform .18s ease;border-radius:2px;
}
.nav-links a:hover{color:var(--accent)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.is-active{color:var(--primary-700);font-weight:700}
.nav-links a.is-active::after{transform:scaleX(1);background:var(--primary-700)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:0;
  transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn svg{width:16px;height:16px}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(255,106,43,.28)}
.btn-primary:hover{background:var(--accent-hover);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px)}
.btn-secondary{background:transparent;color:var(--primary-700);border:1px solid var(--primary-700)}
.btn-secondary:hover{background:var(--primary-700);color:#fff}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.6)}
.btn-ghost:hover{background:#fff;color:var(--primary-900)}
.btn-sm{height:42px;padding:0 18px;font-size:14px}
.nav-cta{flex-shrink:0}

.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  border:1px solid var(--line);background:#fff;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:19px;height:2px;background:var(--ink);border-radius:2px;transition:transform .22s ease,opacity .22s ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.mobile-drawer{
  display:none;
  border-top:1px solid var(--line);
  background:#fff;
  padding:18px 0 24px;
}
.mobile-drawer.is-open{display:block}
.mobile-drawer .drawer-search{
  display:flex;align-items:center;height:44px;
  border:1px solid var(--line);border-radius:var(--r-btn);
  padding-left:12px;margin-bottom:16px;
}
.mobile-drawer .drawer-search input{flex:1;border:0;outline:none;background:transparent;padding:0 10px;min-width:0}
.mobile-drawer .drawer-search button{
  height:34px;margin-right:5px;padding:0 14px;border-radius:8px;
  background:var(--accent);color:#fff;font-size:14px;font-weight:600;
}
.mobile-drawer nav{display:flex;flex-direction:column;gap:2px;margin-bottom:16px}
.mobile-drawer nav a{
  padding:12px 12px;border-radius:10px;font-size:15px;font-weight:500;
  display:flex;align-items:center;justify-content:space-between;
}
.mobile-drawer nav a:hover{background:var(--bg)}
.mobile-drawer nav a.is-active{background:rgba(27,138,107,.1);color:var(--primary-700);font-weight:700}

/* ---------- breadcrumb ---------- */
.crumbs{padding:20px 0 0}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.crumbs li{display:flex;align-items:center;gap:8px}
.crumbs li+li::before{content:"/";color:#C3CBC7}
.crumbs a:hover{color:var(--accent)}
.crumbs .cur{color:var(--ink);font-weight:600}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;
  margin-top:20px;
  border-radius:var(--r-hero);
  overflow:hidden;
  background-color:var(--primary-900);
  background-image:linear-gradient(100deg,rgba(10,42,34,.94) 0%,rgba(10,42,34,.78) 52%,rgba(10,42,34,.5) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  color:#F4F1EA;
}
.page-hero .hero-inner{
  min-height:320px;
  display:flex;flex-direction:column;justify-content:center;
  padding:48px 0;
  max-width:720px;
}
.page-hero .eyebrow{background:rgba(255,193,60,.16);color:var(--accent-2)}
.page-hero .eyebrow::before{background:var(--accent-2)}
.page-hero h1{color:#fff;margin-bottom:16px}
.page-hero p.lead{color:rgba(244,241,234,.86);font-size:17px;max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.hero-tags span{
  font-size:13px;font-weight:500;
  padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.22);
  color:#EDEAE3;
}

/* ---------- split ---------- */
.split{
  display:grid;
  grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:36px;align-items:start;
}
.dim-list{display:flex;flex-direction:column;gap:16px;margin-top:8px}
.dim-item{
  display:flex;gap:16px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:22px;
  box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.dim-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#D6D0C4}
.dim-ico{
  width:44px;height:44px;flex-shrink:0;border-radius:12px;
  background:rgba(27,138,107,.12);
  display:flex;align-items:center;justify-content:center;color:var(--primary-700);
}
.dim-ico svg{width:22px;height:22px}
.dim-item h3{margin-bottom:6px}
.dim-item p{color:var(--muted);font-size:15px}

/* ---------- stat panel ---------- */
.stat-panel{
  background:var(--primary-900);
  color:#F4F1EA;
  border-radius:var(--r-card);
  padding:28px;
  box-shadow:0 18px 40px rgba(10,42,34,.24);
  position:sticky;top:104px;
}
.stat-panel .panel-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.stat-panel h3{color:#fff;font-size:18px}
.panel-live{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12.5px;font-weight:600;color:var(--accent-2);
  background:rgba(255,193,60,.14);border-radius:999px;padding:5px 12px;
}
.panel-live i{width:7px;height:7px;border-radius:999px;background:var(--accent-2);display:block;animation:blink 1.6s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.25}}
.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:24px 0 18px}
.stat-grid div{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.12);
  border-radius:12px;padding:14px 12px;text-align:center;
}
.stat-grid b{display:block;font-size:22px;font-weight:800;color:var(--accent-2);font-variant-numeric:tabular-nums;line-height:1.2}
.stat-grid span{font-size:12.5px;color:rgba(244,241,234,.76)}
.panel-note{font-size:14px;color:rgba(244,241,234,.78);padding-bottom:18px;border-bottom:1px solid rgba(255,255,255,.14)}
.mini-table{margin-top:16px}
.mini-table .row{
  display:grid;grid-template-columns:1.4fr .8fr .8fr;
  gap:10px;padding:11px 0;font-size:14px;
  border-bottom:1px dashed rgba(255,255,255,.14);
}
.mini-table .row:last-child{border-bottom:0}
.mini-table .row.head{color:rgba(244,241,234,.62);font-size:12.5px;font-weight:600}
.mini-table .num{text-align:right;font-variant-numeric:tabular-nums;color:var(--accent-2);font-weight:700}
.mini-table .row.head span:not(:first-child){text-align:right}
.panel-actions{display:flex;gap:12px;margin-top:22px;flex-wrap:wrap}
.panel-actions .btn{flex:1 1 auto;min-width:140px}

/* ---------- flow ---------- */
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;position:relative;margin-top:12px}
.flow::before{
  content:"";position:absolute;top:26px;left:6%;right:6%;height:2px;
  background:repeating-linear-gradient(90deg,var(--line) 0 12px,transparent 12px 22px);
  z-index:0;
}
.flow-step{position:relative;z-index:1;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:24px 20px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease}
.flow-step:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.flow-num{
  width:44px;height:44px;border-radius:999px;
  background:var(--primary-700);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:16px;margin-bottom:16px;
  font-variant-numeric:tabular-nums;
}
.flow-step h3{font-size:17px;margin-bottom:8px}
.flow-step p{font-size:14px;color:var(--muted);line-height:1.7}

/* ---------- table ---------- */
.table-wrap{
  overflow-x:auto;
  border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--surface);box-shadow:var(--shadow);
  -webkit-overflow-scrolling:touch;
}
table{width:100%;border-collapse:collapse;min-width:720px}
caption{text-align:left;padding:20px 22px 0;font-size:14px;color:var(--muted)}
th,td{padding:16px 22px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--line)}
thead th{
  background:#F1EEE7;color:var(--primary-900);
  font-weight:700;font-size:13.5px;white-space:nowrap;
}
tbody tr:nth-child(even){background:#FBFAF7}
tbody tr:last-child td{border-bottom:0}
tbody td:first-child{font-weight:600;color:var(--primary-900)}
td .tag{
  display:inline-block;font-size:12.5px;font-weight:600;
  padding:3px 10px;border-radius:999px;
  background:rgba(27,138,107,.1);color:var(--primary-700);
}

/* ---------- feature / image split ---------- */
.feature-split{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:48px;align-items:center;
}
.feature-media{position:relative}
.feature-media img{border-radius:var(--r-img);width:100%;object-fit:cover;aspect-ratio:4/3;background:#E8E4DB}
.feature-media .float-card{
  position:absolute;right:-10px;bottom:-18px;
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:16px 18px;box-shadow:var(--shadow-hover);
  min-width:180px;
}
.feature-media .float-card b{display:block;font-size:22px;font-weight:800;color:var(--primary-700);font-variant-numeric:tabular-nums;line-height:1.2}
.feature-media .float-card span{font-size:13px;color:var(--muted)}
.check-list{margin-top:22px;display:flex;flex-direction:column;gap:14px}
.check-list li{display:flex;gap:12px;font-size:15px;color:var(--muted);line-height:1.7}
.check-list li strong{color:var(--ink);display:block;font-size:15.5px;font-weight:600;margin-bottom:2px}
.check-ico{
  width:22px;height:22px;flex-shrink:0;margin-top:3px;border-radius:999px;
  background:rgba(27,138,107,.14);color:var(--primary-700);
  display:flex;align-items:center;justify-content:center;
}
.check-ico svg{width:13px;height:13px}

/* ---------- faq ---------- */
.faq-list{max-width:900px;margin:0 auto;border:1px solid var(--line);border-radius:var(--r-card);background:var(--surface);overflow:hidden;box-shadow:var(--shadow)}
.faq-item+.faq-item{border-top:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:16px 24px;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);
  transition:color .18s ease,background .18s ease;
}
.faq-q:hover{color:var(--accent);background:#FCFBF8}
.faq-ico{
  width:22px;height:22px;flex-shrink:0;position:relative;
  border-radius:999px;background:rgba(27,138,107,.12);
  transition:transform .22s ease,background .22s ease;
}
.faq-ico::before,.faq-ico::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--primary-700);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-ico::before{width:10px;height:2px}
.faq-ico::after{width:2px;height:10px;transition:opacity .22s ease}
.faq-item.open .faq-ico{transform:rotate(180deg);background:var(--accent)}
.faq-item.open .faq-ico::before,.faq-item.open .faq-ico::after{background:#fff}
.faq-item.open .faq-ico::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease}
.faq-a-inner{padding:0 24px 22px;color:var(--muted);font-size:15.5px}
.faq-a-inner p+p{margin-top:10px}

/* ---------- cta ---------- */
.cta-band{
  background:var(--primary-900);color:#F4F1EA;
  border-radius:var(--r-hero);
  padding:52px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;
  border-radius:999px;border:44px solid rgba(255,255,255,.05);
}
.cta-band h2{color:#fff;margin-bottom:12px;position:relative;z-index:1}
.cta-band p{color:rgba(244,241,234,.8);max-width:600px;position:relative;z-index:1}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1;flex-shrink:0}

/* ---------- footer ---------- */
.site-footer{
  background:var(--primary-900);color:#EDEAE3;
  margin-top:var(--sec);padding:64px 0 0;
}
.footer-top{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:44px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand strong{font-size:16.5px;font-weight:800;color:#fff}
.brand-mark{
  width:38px;height:38px;border-radius:11px;
  background:rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.brand-mark svg{width:22px;height:22px}
.footer-desc{font-size:14px;color:rgba(237,234,227,.72);max-width:360px}
.footer-social{display:flex;gap:12px;margin-top:20px}
.footer-social a{
  width:38px;height:38px;border-radius:10px;
  border:1px solid rgba(255,255,255,.18);
  display:flex;align-items:center;justify-content:center;
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.footer-social a svg{width:18px;height:18px}
.footer-social a:hover{background:rgba(255,193,60,.16);border-color:var(--accent-2);transform:translateY(-2px)}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col ul a{font-size:14px;color:rgba(237,234,227,.74);transition:color .18s ease}
.footer-col ul a:hover{color:var(--accent-2)}
.footer-acc-btn{
  display:none;width:100%;align-items:center;justify-content:space-between;
  padding:12px 0;font-size:15px;font-weight:700;color:#fff;
  border-bottom:1px solid rgba(255,255,255,.14);
}
.acc-ico{position:relative;width:18px;height:18px;flex-shrink:0}
.acc-ico::before,.acc-ico::after{content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);background:var(--accent-2);border-radius:2px}
.acc-ico::before{width:11px;height:2px}
.acc-ico::after{width:2px;height:11px;transition:opacity .2s ease}
.footer-acc-btn[aria-expanded="true"] .acc-ico::after{opacity:0}
.footer-meta{
  display:flex;flex-wrap:wrap;gap:10px 28px;
  padding:22px 0;font-size:13.5px;color:rgba(237,234,227,.7);
  border-top:1px solid rgba(255,255,255,.12);
}
.footer-meta a:hover{color:var(--accent-2)}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding:20px 0 28px;font-size:13px;color:rgba(237,234,227,.6);
  border-top:1px solid rgba(255,255,255,.12);
}

/* ---------- responsive ---------- */
@media (max-width:1180px){
  .nav-links a{padding:8px 9px;font-size:14px}
  .nav-search{max-width:400px}
}
@media (max-width:1024px){
  :root{--sec:72px}
  .container{padding:0 24px}
  .nav-search{max-width:340px}
  .nav-links{display:none}
  .nav-cta{display:none}
  .nav-toggle{display:flex}
  .header-inner{gap:14px}
  .split{grid-template-columns:1fr;gap:28px}
  .stat-panel{position:static}
  .flow{grid-template-columns:repeat(2,1fr)}
  .flow::before{display:none}
  .feature-split{grid-template-columns:1fr;gap:32px}
  .feature-media .float-card{right:12px;bottom:-16px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px}
  h1{font-size:32px}
  h2{font-size:26px}
}
@media (max-width:768px){
  .footer-top{grid-template-columns:1fr 1fr;gap:28px}
  .footer-col .footer-acc-btn{display:flex}
  .footer-col .footer-panel{max-height:0;overflow:hidden;transition:max-height .24s ease}
  .footer-col .footer-panel.is-open{max-height:320px}
  .footer-panel-inner{padding-top:12px}
  .footer-col.plain h4{display:none}
  .footer-col.plain .footer-panel{max-height:none;overflow:visible}
  .footer-col.plain .footer-panel-inner{padding-top:0}
  .page-hero .hero-inner{min-height:260px;padding:36px 0}
  .stat-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:640px){
  :root{--sec:56px}
  .container{padding:0 16px}
  h1{font-size:28px;line-height:1.3}
  h2{font-size:23px}
  h3{font-size:18px}
  .brand-text em{display:none}
  .nav-search{display:none}
  .header-inner{min-height:66px;gap:10px}
  .flow{grid-template-columns:1fr}
  .cta-band{padding:32px 24px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%}
  .faq-q{padding:14px 18px;font-size:15.5px}
  .faq-a-inner{padding:0 18px 18px}
  th,td{padding:13px 16px}
  .feature-media .float-card{position:static;margin-top:16px;right:auto;bottom:auto}
  .footer-top{grid-template-columns:1fr;gap:8px}
  .site-footer{padding-top:40px}
  .stat-panel{padding:22px}
}
@media (max-width:380px){
  .stat-grid{grid-template-columns:1fr 1fr}
  .brand-text strong{font-size:15px}
}

/* roulang page: category3 */
:root{
  --primary-900:#0A2A22;
  --primary-700:#12594A;
  --primary-500:#1B8A6B;
  --accent:#FF6A2B;
  --accent-hover:#E85A1F;
  --accent-2:#FFC13C;
  --ink:#12211D;
  --muted:#5C6B66;
  --line:#E2DED5;
  --bg:#F7F5F0;
  --surface:#FFFFFF;
  --danger:#C7412B;
  --r-card:16px;
  --r-btn:10px;
  --r-input:10px;
  --r-img:12px;
  --r-hero:20px;
  --shadow-card:0 1px 2px rgba(18,33,29,.06),0 8px 24px rgba(18,33,29,.06);
  --shadow-hover:0 12px 32px rgba(18,33,29,.12);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;font-size:16px;line-height:1.75;color:var(--ink);background:var(--bg);overflow-x:hidden}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .15s ease}
button,input{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;letter-spacing:-.01em}
p{margin:0}
svg{display:block}
:focus-visible{outline:2px solid var(--primary-900);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section-alt{background:#FBF9F5}
.section-head{max-width:740px;margin-bottom:40px}
.section-head h2{font-size:28px;line-height:1.38}
.section-head p{margin-top:14px;color:var(--muted);font-size:16px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--primary-700);margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);border-radius:2px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);transition:box-shadow .2s ease}
.site-header.is-scrolled{box-shadow:0 6px 22px rgba(18,33,29,.09)}
.header-inner{display:flex;align-items:center;gap:18px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:38px;height:38px;border-radius:12px;background:var(--primary-900);display:grid;place-items:center;flex:0 0 38px}
.brand-mark svg{width:22px;height:22px}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:16px;font-weight:800;color:var(--primary-900);letter-spacing:-.01em}
.brand-text em{font-style:normal;font-size:12px;color:var(--muted);letter-spacing:.04em}
.nav-search{position:relative;display:flex;align-items:center;flex:1 1 auto;max-width:520px;min-width:240px;height:48px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-input);transition:border-color .2s ease,box-shadow .2s ease}
.nav-search:focus-within{border-color:var(--primary-700);box-shadow:0 0 0 3px rgba(18,89,74,.14)}
.nav-search .search-ico{position:absolute;left:16px;width:18px;height:18px;color:var(--muted);pointer-events:none}
.nav-search input{flex:1;height:100%;min-width:0;border:0;background:none;padding:0 10px 0 44px;font-size:15px;outline:none}
.nav-search input::placeholder{color:#9AA7A1}
.search-btn{height:36px;margin-right:6px;padding:0 14px;border:0;border-radius:8px;background:var(--accent);color:#fff;font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;cursor:pointer;transition:background-color .2s ease}
.search-btn:hover{background:var(--accent-hover)}
.search-btn svg{width:15px;height:15px}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-links a{position:relative;padding:9px 13px;border-radius:8px;font-size:14.5px;font-weight:500;color:#2B3B35;white-space:nowrap;transition:color .15s ease,background-color .15s ease}
.nav-links a:hover{color:var(--accent);background:rgba(255,106,43,.07)}
.nav-links a.is-active{color:var(--primary-900);font-weight:700}
.nav-links a.is-active::after{content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;border-radius:2px;background:var(--accent)}
.nav-cta{flex:0 0 auto}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:var(--surface);align-items:center;justify-content:center;cursor:pointer;flex:0 0 44px}
.nav-toggle span{position:relative;width:20px;height:2px;background:var(--primary-900);border-radius:2px;transition:background-color .2s ease}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:20px;height:2px;background:var(--primary-900);border-radius:2px;transition:transform .24s ease}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle.is-open span{background:transparent}
.nav-toggle.is-open span::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-open span::after{transform:translateY(-6px) rotate(-45deg)}

.drawer-mask{position:fixed;inset:0;background:rgba(10,42,34,.5);opacity:0;visibility:hidden;transition:opacity .26s ease,visibility .26s ease;z-index:70}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(86vw,360px);background:var(--surface);transform:translateX(102%);transition:transform .28s ease;z-index:80;padding:22px;overflow-y:auto;box-shadow:-8px 0 30px rgba(18,33,29,.16)}
.drawer.is-open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-head strong{font-size:16px;color:var(--primary-900)}
.drawer-close{width:38px;height:38px;border:1px solid var(--line);border-radius:10px;background:var(--surface);cursor:pointer;display:grid;place-items:center;color:var(--primary-700)}
.drawer-search{position:relative;display:flex;align-items:center;height:44px;border:1px solid var(--line);border-radius:var(--r-input);margin-bottom:18px}
.drawer-search input{flex:1;height:100%;border:0;background:none;padding:0 14px 0 40px;font-size:15px;outline:none;min-width:0}
.drawer-search svg{position:absolute;left:14px;width:17px;height:17px;color:var(--muted)}
.drawer-links{display:flex;flex-direction:column;gap:4px}
.drawer-links a{padding:13px 14px;border-radius:10px;font-size:15px;font-weight:500;color:#2B3B35}
.drawer-links a:hover{background:rgba(27,138,107,.08);color:var(--primary-700)}
.drawer-links a.is-active{background:rgba(255,106,43,.1);color:var(--primary-900);font-weight:700}
.drawer .btn{width:100%;margin-top:18px}

/* ---------- buttons / badges ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 22px;border:1px solid transparent;border-radius:var(--r-btn);font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;transition:transform .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease}
.btn svg{width:16px;height:16px}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(255,106,43,.26)}
.btn-primary:hover{background:var(--accent-hover);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0)}
.btn-secondary{background:transparent;border-color:var(--primary-700);color:var(--primary-700)}
.btn-secondary:hover{background:var(--primary-700);color:#fff}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn-ghost:hover{background:#fff;color:var(--primary-900);border-color:#fff}
.btn-ghost:focus-visible{outline:2px solid var(--accent-2);outline-offset:2px}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.badge{display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 12px;border-radius:999px;font-size:13px;font-weight:600;line-height:1}
.badge-soft{background:rgba(27,138,107,.1);color:var(--primary-700)}
.badge-accent{background:var(--accent);color:#fff}
.badge-outline{border:1px solid rgba(255,255,255,.42);color:#EAEFEC}
.badge-gold{background:rgba(255,193,60,.16);color:#8A5A00}

/* ---------- hero ---------- */
.cat-hero{position:relative;background-color:var(--primary-900);background-image:url(/assets/images/backpic/back-2.png);background-size:cover;background-position:center;color:#F3F1EA;overflow:hidden}
.cat-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(105deg,rgba(10,42,34,.96) 0%,rgba(10,42,34,.86) 48%,rgba(10,42,34,.68) 100%)}
.cat-hero-inner{position:relative;z-index:1;padding:44px 0 64px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:#9FB6AE;margin-bottom:26px}
.breadcrumb a:hover{color:var(--accent-2)}
.breadcrumb .sep{opacity:.55}
.breadcrumb .cur{color:#EAEFEC}
.cat-hero h1{font-size:36px;line-height:1.32;font-weight:800;max-width:820px;margin-top:16px}
.cat-hero .lead{margin-top:18px;max-width:660px;font-size:17px;line-height:1.85;color:#C6D6CF}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-top:52px;padding-top:30px;border-top:1px solid rgba(255,255,255,.14)}
.hero-stats li strong{display:block;font-size:26px;font-weight:800;color:var(--accent-2);font-variant-numeric:tabular-nums;letter-spacing:.01em}
.hero-stats li span{display:block;margin-top:6px;font-size:13.5px;color:#A9C0B8}

/* ---------- content blocks ---------- */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:center}
.split-media{position:relative}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-hero);border:1px solid var(--line);background:var(--line)}
.float-card{position:absolute;right:-14px;bottom:-22px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-card);padding:18px 22px;display:flex;gap:24px}
.float-card div strong{display:block;font-size:22px;font-weight:800;color:var(--primary-700);font-variant-numeric:tabular-nums}
.float-card div span{display:block;font-size:12.5px;color:var(--muted);margin-top:2px}
.prose h2{font-size:28px;line-height:1.4}
.prose p{margin-top:16px;color:var(--muted)}
.prose p strong{color:var(--ink)}
.point-list{margin-top:24px;display:grid;gap:12px}
.point-list li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;color:var(--ink)}
.point-list svg{flex:0 0 20px;width:20px;height:20px;margin-top:4px;color:var(--primary-500)}

.timeline{position:relative;max-width:820px}
.tl-item{position:relative;display:grid;grid-template-columns:56px minmax(0,1fr);gap:22px;padding-bottom:34px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{content:"";position:absolute;left:27px;top:64px;bottom:0;width:2px;background:linear-gradient(180deg,rgba(27,138,107,.55),rgba(27,138,107,.08))}
.tl-item:last-child::before{display:none}
.tl-node{width:56px;height:56px;border-radius:16px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-card);display:grid;place-items:center;font-size:16px;font-weight:800;color:var(--primary-700);font-variant-numeric:tabular-nums}
.tl-item.is-key .tl-node{background:var(--primary-900);border-color:var(--primary-900);color:var(--accent-2)}
.tl-body{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-card);padding:22px 24px;transition:transform .2s ease,box-shadow .2s ease}
.tl-body:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.tl-body h3{font-size:20px;font-weight:600}
.tl-body p{margin-top:10px;color:var(--muted);font-size:15.5px}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tl-tags span{font-size:13px;padding:3px 11px;border-radius:999px;background:rgba(27,138,107,.09);color:var(--primary-700)}

.side-panel{position:sticky;top:96px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-card);overflow:hidden}
.side-panel img{width:100%;aspect-ratio:16/10;object-fit:cover;background:var(--line)}
.side-panel .side-body{padding:22px 24px}
.side-panel h3{font-size:18px;font-weight:600}
.side-panel p{margin-top:10px;font-size:14.5px;color:var(--muted)}
.side-list{margin-top:16px;display:grid;gap:10px}
.side-list li{display:flex;gap:10px;font-size:14.5px;color:var(--ink)}
.side-list li::before{content:"";flex:0 0 6px;width:6px;height:6px;border-radius:50%;background:var(--accent);margin-top:9px}
.steps-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:48px;align-items:start}

.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-card);background:var(--surface);box-shadow:var(--shadow-card)}
table{width:100%;border-collapse:collapse;min-width:680px;font-size:15px}
thead th{background:var(--primary-900);color:#EDF3F0;text-align:left;padding:16px 20px;font-size:14px;font-weight:600;white-space:nowrap}
tbody td{padding:15px 20px;border-top:1px solid var(--line);color:var(--muted);vertical-align:middle}
tbody tr:nth-child(even){background:#FBF9F5}
tbody td:first-child{color:var(--ink);font-weight:600}
.tick{display:inline-flex;align-items:center;gap:7px;color:var(--primary-700);font-weight:600}
.tick svg{width:16px;height:16px}
.cross{color:#9AA7A1}
.table-note{margin-top:16px;font-size:13.5px;color:var(--muted)}

.cards-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-card);padding:26px 24px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#D6D0C3}
.card .ico{width:44px;height:44px;border-radius:12px;background:rgba(27,138,107,.1);display:grid;place-items:center;color:var(--primary-700);margin-bottom:18px}
.card .ico svg{width:22px;height:22px}
.card h3{font-size:18px;font-weight:600}
.card p{margin-top:10px;font-size:15px;color:var(--muted)}
.card .link-more{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:14px;font-weight:600;color:var(--primary-700)}
.card .link-more:hover{color:var(--accent)}
.card .link-more svg{width:15px;height:15px}

.faq{max-width:860px;border:1px solid var(--line);border-radius:var(--r-card);background:var(--surface);box-shadow:var(--shadow-card);overflow:hidden}
.faq-item + .faq-item{border-top:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:56px;padding:16px 22px;background:none;border:0;text-align:left;font-size:16px;font-weight:600;cursor:pointer;transition:color .18s ease,background-color .18s ease}
.faq-q:hover{color:var(--accent);background:#FDFBF7}
.faq-ico{flex:0 0 22px;width:22px;height:22px;position:relative}
.faq-ico::before,.faq-ico::after{content:"";position:absolute;background:var(--primary-700);border-radius:2px;transition:transform .22s ease}
.faq-ico::before{left:3px;right:3px;top:10px;height:2px}
.faq-ico::after{top:3px;bottom:3px;left:10px;width:2px}
.faq-item.is-open .faq-ico::after{transform:scaleY(0)}
.faq-item.is-open .faq-q{color:var(--primary-900)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease}
.faq-a p{padding:0 22px 20px;color:var(--muted);font-size:15.5px}

.cta-band{position:relative;overflow:hidden;background:var(--primary-900);border-radius:var(--r-hero);padding:48px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;color:#F3F1EA}
.cta-band::after{content:"";position:absolute;right:-80px;top:-90px;width:320px;height:320px;border-radius:50%;border:1px solid rgba(255,193,60,.22)}
.cta-band > div{position:relative;z-index:1}
.cta-band h2{font-size:28px;line-height:1.4;color:#fff}
.cta-band p{margin-top:12px;color:#B9CCC4;max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1}

/* ---------- footer ---------- */
.site-footer{background:var(--primary-900);color:#D7E3DE;margin-top:96px}
.footer-top{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;padding:64px 0 48px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700}
.footer-brand .brand-mark{background:rgba(255,255,255,.08)}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.95;color:#A9C0B8;max-width:320px}
.footer-social{display:flex;gap:10px;margin-top:22px}
.footer-social a{width:38px;height:38px;border-radius:10px;border:1px solid rgba(255,255,255,.18);display:grid;place-items:center;color:#D7E3DE;transition:color .18s ease,border-color .18s ease,background-color .18s ease}
.footer-social a:hover{color:var(--accent-2);border-color:var(--accent-2);background:rgba(255,193,60,.08)}
.footer-social svg{width:18px;height:18px}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px}
.footer-col ul{display:grid;gap:11px}
.footer-col ul a{font-size:14px;color:#A9C0B8}
.footer-col ul a:hover{color:var(--accent-2)}
.footer-acc-btn{display:none}
.footer-panel-inner h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:22px 0;display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;font-size:13px;color:#8FA9A0}
.footer-bottom a:hover{color:var(--accent-2)}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .nav-links{display:none}
  .nav-cta{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .nav-search{max-width:none}
}
@media (max-width:900px){
  .section{padding:72px 0}
  .split{grid-template-columns:1fr;gap:44px}
  .split-media{order:2}
  .steps-grid{grid-template-columns:1fr;gap:40px}
  .side-panel{position:static}
  .cards-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
  .cat-hero-inner{padding:36px 0 56px}
  .site-footer{margin-top:72px}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .header-inner{flex-wrap:wrap;height:auto;padding:11px 0;gap:10px}
  .brand-text strong{font-size:15px}
  .nav-search{order:3;flex:0 0 100%;max-width:none;min-width:0;height:44px;margin-bottom:4px}
  .nav-search input{padding-left:42px;font-size:14.5px}
  .search-btn{height:32px;padding:0 12px;font-size:13.5px}
  .cat-hero h1{font-size:28px;line-height:1.36}
  .cat-hero .lead{font-size:16px}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:40px}
  .hero-actions .btn{flex:1 1 auto}
  .split-media img{aspect-ratio:16/11}
  .float-card{position:static;margin-top:16px;right:auto;bottom:auto}
  .cards-3{grid-template-columns:1fr}
  .cta-band{padding:32px 24px;border-radius:var(--r-card)}
  .cta-band h2{font-size:23px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .footer-top{grid-template-columns:1fr;gap:0;padding:40px 0 28px}
  .footer-acc-btn{display:flex;width:100%;align-items:center;justify-content:space-between;padding:16px 0;background:none;border:0;border-top:1px solid rgba(255,255,255,.12);color:#fff;font-size:15px;font-weight:600;cursor:pointer;transition:color .18s ease}
  .footer-acc-btn:hover{color:var(--accent-2)}
  .footer-panel{max-height:0;overflow:hidden;transition:max-height .26s ease}
  .footer-panel-inner{padding:4px 0 16px}
  .footer-panel-inner h4{display:none}
  .acc-ico{position:relative;flex:0 0 14px;width:14px;height:14px}
  .acc-ico::before,.acc-ico::after{content:"";position:absolute;background:currentColor;border-radius:2px}
  .acc-ico::before{left:0;right:0;top:6px;height:2px}
  .acc-ico::after{top:0;bottom:0;left:6px;width:2px;transition:transform .2s ease}
  .footer-acc-btn[aria-expanded="true"] .acc-ico::after{transform:scaleY(0)}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
}
@media (max-width:520px){
  .section{padding:56px 0}
  .section-head h2{font-size:23px}
  .cat-hero h1{font-size:24px}
  .hero-stats li strong{font-size:22px}
  .tl-item{grid-template-columns:46px minmax(0,1fr);gap:16px}
  .tl-node{width:46px;height:46px;border-radius:13px;font-size:14px}
  .tl-item::before{left:22px;top:54px}
  .tl-body{padding:18px 18px}
  .card{padding:22px 18px}
  .faq-q{padding:14px 16px;font-size:15px}
  .faq-a p{padding:0 16px 18px}
  .btn{height:46px;padding:0 18px;font-size:14.5px}
}
@media (min-width:769px){
  .footer-panel{max-height:none!important;overflow:visible}
}