/* roulang page: index */
:root{
  --c-deep:#0B3A38;
  --c-main:#14706A;
  --c-main-light:#1E8C82;
  --c-amber:#F2A03D;
  --c-amber-dark:#D8862A;
  --c-panel:#EAF4F2;
  --c-ink:#10201F;
  --c-sub:#4A5C5A;
  --c-line:#E4E1DA;
  --c-bg:#F7F5F1;
  --c-card:#FFFFFF;
  --grad-brand:linear-gradient(118deg,#0E524E 0%,#17857C 48%,#F2A03D 118%);
  --r-10:10px; --r-16:16px; --r-24:24px; --r-32:32px; --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,32,31,.06);
  --sh-2:0 10px 30px -12px rgba(11,58,56,.22);
  --sh-3:0 24px 60px -24px rgba(11,58,56,.35);
  --sidebar-w:248px;
  --bs-body-font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --bs-primary:#14706A;
  --bs-border-radius:12px;
  --bs-link-color:#14706A;
  --bs-link-hover-color:#D8862A;
  --bs-body-color:#10201F;
  --bs-body-bg:#F7F5F1;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;padding:0;
  font-family:var(--bs-body-font-family);
  font-size:16px;line-height:1.85;
  color:var(--c-ink);background:var(--c-bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--c-ink);letter-spacing:-.01em}
p{margin:0}
img{max-width:100%;display:block}
a{color:var(--c-main);text-decoration:none;transition:color .22s cubic-bezier(.2,.7,.3,1)}
a:hover{color:var(--c-amber-dark);text-decoration:underline;text-underline-offset:2px}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(242,160,61,.55);outline-offset:2px;border-radius:8px}
.wrap{max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section-tight{padding:64px 0}

/* ============ 顶部移动栏 ============ */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:56px;z-index:1040;
  background:rgba(247,245,241,.95);
  backdrop-filter:saturate(160%) blur(6px);
  border-bottom:1px solid var(--c-line);
  align-items:center;justify-content:space-between;padding:0 16px;
}
.topbar .brand{font-size:16px;font-weight:800;color:var(--c-deep)}
.topbar .brand:hover{text-decoration:none;color:var(--c-main)}
.hamburger{
  width:42px;height:42px;border:1px solid var(--c-line);background:#fff;border-radius:12px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;
}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-deep)}
.hamburger:hover{background:var(--c-panel)}

/* ============ 左侧导航 ============ */
.sidebar{
  --bs-offcanvas-width:min(82vw,320px);
  --bs-offcanvas-color:#fff;
  --bs-offcanvas-border-width:0;
  --bs-offcanvas-bg:#0B3A38;
  width:min(82vw,320px);
  background-color:#0B3A38;
  background-image:linear-gradient(180deg,#0B3A38 0%,#10544F 58%,#14706A 100%);
  color:#fff;border:0;
}
.sidebar .offcanvas-body{
  display:flex;flex-direction:column;
  padding:22px 16px 20px;overflow-y:auto;
}
.sidebar-head{
  display:flex;align-items:center;gap:10px;
  padding:0 6px 20px;margin-bottom:6px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.sidebar-logo{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  background:var(--grad-brand);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:16px;font-weight:800;
}
.sidebar-brand{font-size:16.5px;font-weight:800;color:#fff;line-height:1.3}
.sidebar-brand:hover{color:var(--c-amber);text-decoration:none}
.sidebar-sub{font-size:11.5px;letter-spacing:.1em;color:rgba(255,255,255,.55);text-transform:uppercase}
.side-nav{display:flex;flex-direction:column;gap:4px;margin-top:14px}
.side-link{
  display:flex;align-items:center;gap:10px;
  min-height:48px;padding:0 14px;border-radius:12px;
  border-left:3px solid transparent;
  color:rgba(255,255,255,.86);font-size:15px;font-weight:500;
  transition:background .22s cubic-bezier(.2,.7,.3,1),color .22s,border-color .22s;
}
.side-link i{width:18px;text-align:center;font-size:14px;opacity:.9}
.side-link:hover{background:rgba(255,255,255,.08);color:#fff;text-decoration:none}
.side-link.active{
  background:rgba(242,160,61,.16);
  border-left-color:var(--c-amber);
  color:#fff;font-weight:700;
}
.side-group{
  margin:26px 0 8px;padding:0 14px;
  font-size:12px;letter-spacing:.1em;color:rgba(255,255,255,.6);
}
.side-foot{
  margin-top:auto;padding:18px 14px 6px;
  border-top:1px solid rgba(255,255,255,.12);
}
.side-foot .btn-amber{width:100%;justify-content:center;margin-bottom:12px}
.side-foot p{font-size:12.5px;line-height:1.8;color:rgba(255,255,255,.62)}
.side-foot strong{color:#fff;font-weight:600}

/* ============ 主区域 ============ */
.main-wrap{min-height:100vh}

/* ============ 按钮 ============ */
.btn-amber,.btn-ghost,.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1.2;
  border:1.5px solid transparent;cursor:pointer;
  transition:background .22s cubic-bezier(.2,.7,.3,1),color .22s,border-color .22s,transform .22s,box-shadow .22s;
}
.btn-amber{background:var(--c-amber);color:#2A1A05;box-shadow:0 8px 20px -10px rgba(242,160,61,.85)}
.btn-amber:hover{background:var(--c-amber-dark);color:#fff;text-decoration:none;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-ghost{background:transparent;color:var(--c-main);border-color:var(--c-main)}
.btn-ghost:hover{background:var(--c-main);color:#fff;text-decoration:none;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-line{background:#fff;color:var(--c-deep);border-color:var(--c-line)}
.btn-line:hover{border-color:var(--c-main);color:var(--c-main);text-decoration:none;transform:translateY(-2px)}

/* ============ 标题区 ============ */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;font-weight:700;color:var(--c-main);
  text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--c-amber)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.sec-head h2{font-size:clamp(24px,2.6vw,34px);line-height:1.25;font-weight:700;margin-top:10px}
.sec-head p.lead{max-width:620px;margin-top:10px;color:var(--c-sub);font-size:15.5px}
.sec-more{white-space:nowrap;font-size:14.5px;font-weight:600;color:var(--c-main)}
.sec-more:hover{color:var(--c-amber-dark)}
.sec-more i{margin-left:6px;font-size:12px}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;padding:76px 0 88px;background:var(--c-bg)}
.hero::before{
  content:"";position:absolute;left:0;right:0;top:0;height:460px;
  background:linear-gradient(180deg,rgba(30,140,130,.16) 0%,rgba(30,140,130,0) 100%);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(115deg,rgba(11,58,56,.035) 0 1px,transparent 1px 10px);
  opacity:.55;pointer-events:none;
}
.hero .wrap{position:relative;z-index:1}
.hero-brand{
  display:inline-flex;align-items:center;gap:10px;
  padding:7px 16px 7px 8px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--c-line);box-shadow:var(--sh-1);
  font-size:13.5px;font-weight:700;color:var(--c-deep);margin-bottom:20px;
}
.hero-brand .dot{
  width:26px;height:26px;border-radius:999px;background:var(--grad-brand);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:12px;
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero h1{
  font-size:clamp(30px,4.2vw,48px);line-height:1.18;font-weight:800;
  margin:14px 0 18px;color:var(--c-deep);
}
.hero h1 em{font-style:normal;color:var(--c-main)}
.hero-sub{font-size:17px;color:var(--c-sub);max-width:520px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:var(--c-panel);color:var(--c-main);
  font-size:13px;font-weight:600;
}
.tag-amber{background:rgba(242,160,61,.14);color:#8F5A12}
.hero-visual{position:relative}
.hero-visual .frame{
  position:relative;border-radius:var(--r-32);overflow:hidden;
  box-shadow:var(--sh-3);background:#0B3A38;
}
.hero-visual .frame img{width:100%;aspect-ratio:8/7;object-fit:cover}
.hero-visual .frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,58,56,0) 45%,rgba(11,58,56,.55) 100%);
}
.film-strip{
  position:absolute;left:-18px;top:34px;width:18px;height:120px;border-radius:6px;
  background:repeating-linear-gradient(180deg,rgba(11,58,56,.5) 0 8px,transparent 8px 20px);
}
.film-arc{
  position:absolute;right:-26px;top:-26px;width:120px;height:120px;border-radius:999px;
  border:2px dashed rgba(242,160,61,.55);
}
.float-badge{
  position:absolute;right:-18px;bottom:28px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-24);
  padding:16px 22px;box-shadow:var(--sh-2);min-width:186px;
  transition:transform .24s cubic-bezier(.2,.7,.3,1),box-shadow .24s;
}
.float-badge:hover{transform:translateY(-2px);box-shadow:var(--sh-3)}
.float-badge .num{font-size:30px;font-weight:800;color:var(--c-deep);line-height:1.1}
.float-badge .num span{font-size:14px;font-weight:600;margin-left:2px;color:var(--c-main)}
.float-badge .lbl{font-size:13px;color:var(--c-sub);margin-top:2px}
.float-badge::before{
  content:"";position:absolute;left:0;top:22px;bottom:22px;width:4px;border-radius:0 4px 4px 0;
  background:var(--grad-brand);
}

/* ============ 服务区 ============ */
.services-grid{display:grid;grid-template-columns:1.42fr 1fr;gap:24px}
.service-main{
  grid-row:span 3;background:var(--c-card);border:1px solid var(--c-line);
  border-radius:var(--r-24);overflow:hidden;
  display:grid;grid-template-columns:1fr 1fr;
  box-shadow:var(--sh-1);transition:box-shadow .24s,transform .24s cubic-bezier(.2,.7,.3,1);
}
.service-main:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.service-main .txt{padding:34px 30px;display:flex;flex-direction:column;justify-content:center;gap:14px}
.service-main h3{font-size:22px;font-weight:700;line-height:1.4}
.service-main p{color:var(--c-sub);font-size:15px}
.service-main .pic{position:relative;min-height:260px}
.service-main .pic img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.service-mini{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-24);
  padding:20px 22px;box-shadow:var(--sh-1);
  transition:box-shadow .24s,transform .24s cubic-bezier(.2,.7,.3,1);
}
.service-mini:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.icon-round{
  width:46px;height:46px;flex:0 0 46px;border-radius:999px;
  background:var(--c-panel);color:var(--c-main);
  display:flex;align-items:center;justify-content:center;font-size:17px;
  transition:background .24s,color .24s;
}
.service-mini:hover .icon-round{background:var(--c-main);color:#fff}
.service-mini h3{font-size:16.5px;font-weight:700;margin-bottom:4px}
.service-mini p{font-size:14px;color:var(--c-sub);line-height:1.75}
.service-mini a{display:inline-block;margin-top:8px;font-size:13.5px;font-weight:600}

/* ============ 数据条 ============ */
.stats-wrap{border-radius:var(--r-24);overflow:hidden;background:var(--c-deep);box-shadow:var(--sh-2)}
.stats-wrap::before{content:"";display:block;height:4px;background:var(--grad-brand)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:34px 26px;color:#fff;border-right:1px solid rgba(255,255,255,.1)}
.stat:last-child{border-right:0}
.stat .figure{font-size:30px;font-weight:800;line-height:1.1;letter-spacing:-.02em}
.stat .figure span{font-size:14px;font-weight:600;margin-left:3px;color:var(--c-amber)}
.stat .label{font-size:13px;color:rgba(255,255,255,.68);margin-top:6px}

/* ============ 案例 ============ */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.case-card{
  position:relative;border-radius:var(--r-24);overflow:hidden;
  background:#0B3A38;box-shadow:var(--sh-1);
  transition:transform .24s cubic-bezier(.2,.7,.3,1),box-shadow .24s;
}
.case-card:nth-child(2){transform:translateY(-24px)}
.case-card:hover{box-shadow:var(--sh-3);transform:translateY(-4px)}
.case-card:nth-child(2):hover{transform:translateY(-28px)}
.case-card img{width:100%;aspect-ratio:16/11;object-fit:cover;transition:transform .26s cubic-bezier(.2,.7,.3,1)}
.case-card:hover img{transform:scale(1.04)}
.case-card .veil{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,58,56,0) 38%,rgba(11,58,56,.86) 100%);
}
.case-card .cap{position:absolute;left:0;right:0;bottom:0;padding:24px 22px}
.case-card .cap h3{color:#fff;font-size:18px;font-weight:700;margin-bottom:6px}
.case-card .cap p{color:rgba(255,255,255,.78);font-size:13.5px;line-height:1.7}

/* ============ 最新信息（CMS） ============ */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{
  display:flex;flex-direction:column;gap:12px;
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-24);
  padding:26px 24px;box-shadow:var(--sh-1);color:inherit;height:100%;
  transition:transform .24s cubic-bezier(.2,.7,.3,1),box-shadow .24s,border-color .24s;
}
.post-card:hover{
  text-decoration:none;color:inherit;transform:translateY(-4px);
  box-shadow:var(--sh-2);border-color:rgba(20,112,106,.35);
}
.post-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12.5px;color:var(--c-sub)}
.badge-cat{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:var(--r-pill);
  background:var(--c-panel);color:var(--c-main);font-weight:600;font-size:12.5px;
}
.post-card h3{
  font-size:17px;font-weight:700;line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .22s;
}
.post-card:hover h3{color:var(--c-main)}
.post-card p{
  font-size:14px;color:var(--c-sub);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-more{margin-top:auto;font-size:13.5px;font-weight:600;color:var(--c-main)}
.empty-state{
  grid-column:1/-1;text-align:center;padding:56px 20px;
  background:#fff;border:1px dashed var(--c-line);border-radius:var(--r-24);
}
.empty-state i{font-size:30px;color:var(--c-main-light);opacity:.7}
.empty-state p{margin:12px 0 18px;color:var(--c-sub);font-size:15px}

/* ============ 方案时间轴 ============ */
.timeline{display:grid;gap:18px}
.step{display:grid;grid-template-columns:86px 1fr;gap:24px;align-items:flex-start}
.step-num{
  width:74px;height:74px;border-radius:999px;background:var(--grad-brand);
  color:#fff;font-size:23px;font-weight:800;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-2);
}
.step-body{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-24);
  padding:24px 26px;box-shadow:var(--sh-1);
  transition:transform .24s cubic-bezier(.2,.7,.3,1),box-shadow .24s;
}
.step-body:hover{transform:translateX(4px);box-shadow:var(--sh-2)}
.step-body h3{font-size:17.5px;font-weight:700;margin-bottom:6px}
.step-body p{font-size:14.5px;color:var(--c-sub)}
.step-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}

/* ============ FAQ ============ */
.faq-acc .accordion-item{
  border:0;border-radius:var(--r-16);background:#fff;
  margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-1);
}
.faq-acc .accordion-button{
  position:relative;
  background:#fff;color:var(--c-ink);
  font-size:17px;font-weight:700;line-height:1.6;
  padding:20px 60px 20px 22px;
  box-shadow:none !important;border-radius:var(--r-16) !important;
}
.faq-acc .accordion-button:not(.collapsed){background:var(--c-panel);color:var(--c-main)}
.faq-acc .accordion-button::after{display:none}
.faq-acc .accordion-button::before{
  content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);
  width:28px;height:28px;border-radius:999px;
  background:var(--c-panel);color:var(--c-main);
  display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:700;line-height:1;
}
.faq-acc .accordion-button:not(.collapsed)::before{content:"−";background:var(--c-main);color:#fff}
.faq-acc .accordion-body{padding:0 22px 22px;font-size:15px;color:var(--c-sub);line-height:1.85}

/* ============ 联系 ============ */
.contact-grid{display:grid;grid-template-columns:1.3fr .9fr;gap:26px;align-items:start}
.form-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-24);
  padding:34px 32px;box-shadow:var(--sh-2);
}
.form-card h3{font-size:20px;font-weight:700;margin-bottom:8px}
.form-card .hint{font-size:14px;color:var(--c-sub);margin-bottom:24px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
.field label{font-size:13.5px;font-weight:600;color:var(--c-sub)}
.field input,.field select,.field textarea{
  width:100%;font-family:inherit;font-size:15px;color:var(--c-ink);
  background:#FCFBF9;border:1px solid var(--c-line);border-radius:12px;
  padding:12px 15px;line-height:1.6;
  transition:border-color .2s,box-shadow .2s,background .2s;
}
.field textarea{min-height:130px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;background:#fff;border-color:var(--c-main);
  box-shadow:0 0 0 3px rgba(30,140,130,.18);
}
.form-note{font-size:13px;color:var(--c-sub);margin-top:16px}
.info-block{
  background:var(--c-panel);border:1px solid rgba(20,112,106,.16);
  border-radius:var(--r-24);padding:30px 28px;
}
.info-block h3{font-size:18px;font-weight:700;margin-bottom:18px;color:var(--c-deep)}
.info-list{display:grid;gap:16px}
.info-list li{display:flex;gap:12px;font-size:14.5px;color:var(--c-sub);line-height:1.7}
.info-list i{color:var(--c-main);margin-top:4px;width:16px;text-align:center}
.info-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}

/* ============ 页脚 ============ */
.footer{position:relative;background:#082B29;color:rgba(255,255,255,.76);margin-top:20px}
.footer::before{content:"";display:block;height:4px;background:var(--grad-brand)}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 44px}
.footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px}
.footer .fbrand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer .fbrand .mark{
  width:36px;height:36px;border-radius:12px;background:var(--grad-brand);
  display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:15px;
}
.footer .fbrand span{color:#fff;font-size:16.5px;font-weight:800}
.footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.68)}
.footer ul{display:grid;gap:11px}
.footer ul a{color:rgba(255,255,255,.76);font-size:14px}
.footer ul a:hover{color:var(--c-amber);text-decoration:none}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.56);
}
.footer-bottom a{color:rgba(255,255,255,.7)}
.footer-bottom a:hover{color:var(--c-amber);text-decoration:none}

/* ============ 响应式 ============ */
@media (min-width:992px){
  .main-wrap{margin-left:var(--sidebar-w)}
  .sidebar.offcanvas-lg{
    position:fixed !important;top:0;left:0;bottom:0;
    width:var(--sidebar-w);height:100vh;
    transform:none !important;visibility:visible !important;
    display:flex;flex-direction:column;z-index:1030;
  }
  .sidebar.offcanvas-lg .offcanvas-body{
    display:flex;flex-direction:column;flex-grow:1;
    padding:22px 16px 20px;overflow-y:auto;
  }
}
@media (max-width:1199.98px){
  .post-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991.98px){
  .topbar{display:flex}
  .main-wrap{padding-top:56px}
  .section{padding:64px 0}
  .hero{padding:52px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-visual{max-width:560px}
  .float-badge{right:12px;bottom:16px}
  .services-grid{grid-template-columns:1fr}
  .service-main{grid-row:auto}
  .case-grid{grid-template-columns:1fr 1fr}
  .case-card:nth-child(2){transform:none}
  .case-card:nth-child(2):hover{transform:translateY(-4px)}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat{border-bottom:1px solid rgba(255,255,255,.1)}
  .stat:nth-child(2n){border-right:0}
  .contact-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 32px}
}
@media (max-width:767.98px){
  .wrap{padding:0 18px}
  .section{padding:48px 0}
  .sec-head{flex-direction:column;align-items:flex-start;margin-bottom:28px}
  .hero-grid{gap:32px}
  .hero-visual .frame img{aspect-ratio:4/3}
  .film-strip,.film-arc{display:none}
  .service-main{grid-template-columns:1fr}
  .service-main .pic{min-height:200px}
  .case-grid{grid-template-columns:1fr}
  .post-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr}
  .stat{border-right:0}
  .step{grid-template-columns:1fr;gap:12px}
  .step-num{width:58px;height:58px;font-size:19px}
  .form-grid{grid-template-columns:1fr}
  .form-card{padding:26px 20px}
  .hero-cta .btn-amber,.hero-cta .btn-ghost{width:100%}
}
@media (max-width:575.98px){
  .footer-top{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .float-badge{left:12px;right:auto;min-width:0;padding:12px 16px}
  .float-badge .num{font-size:24px}
}

/* roulang page: article */
:root{
  --deep:#0B3A38;
  --main:#14706A;
  --main-light:#1E8C82;
  --amber:#F2A03D;
  --amber-dark:#D8862A;
  --panel:#EAF4F2;
  --ink:#10201F;
  --muted:#4A5C5A;
  --line:#E4E1DA;
  --page:#F7F5F1;
  --card:#FFFFFF;
  --grad:linear-gradient(118deg,#0E524E 0%,#17857C 48%,#F2A03D 118%);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --r-pill:999px;
  --sh1:0 1px 2px rgba(16,32,31,.06);
  --sh2:0 10px 30px -12px rgba(11,58,56,.22);
  --sh3:0 24px 60px -24px rgba(11,58,56,.35);
  --ease:cubic-bezier(.2,.7,.3,1);
  --side-w:248px;
  --bs-body-font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --bs-body-color:#10201F;
  --bs-body-bg:#F7F5F1;
  --bs-primary:#14706A;
  --bs-primary-rgb:20,112,106;
  --bs-border-radius:12px;
  --bs-link-color:#14706A;
  --bs-link-hover-color:#D8862A;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--page);
  color:var(--ink);
  font-family:var(--bs-body-font-family);
  font-size:16px;
  line-height:1.85;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--main);text-decoration:none;transition:color .22s var(--ease),border-color .22s var(--ease)}
a:hover{color:var(--amber-dark);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px}
h1,h2,h3,h4,h5{margin:0;font-weight:700;color:var(--ink);line-height:1.28}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(242,160,61,.55);outline-offset:2px;border-radius:8px}

/* ============ 布局骨架 ============ */
.content{margin-left:var(--side-w);min-height:100vh;display:flex;flex-direction:column}
.main{flex:1 1 auto}
.wrap{max-width:1240px;margin:0 auto;padding:0 32px}

/* ============ 左侧导航 ============ */
.sidebar{
  position:fixed;top:0;left:0;width:var(--side-w);height:100vh;z-index:1040;
  display:flex;flex-direction:column;
  background:linear-gradient(178deg,#0B3A38 0%,#0E4E4A 62%,#10564F 100%);
  color:#fff;overflow-y:auto;
  box-shadow:0 24px 60px -24px rgba(11,58,56,.35);
}
.side-logo{height:72px;display:flex;align-items:center;padding:0 20px;border-bottom:1px solid rgba(255,255,255,.1)}
.side-logo a{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;letter-spacing:.02em}
.side-logo a:hover{color:#fff;text-decoration:none}
.side-logo .mark{
  width:34px;height:34px;border-radius:12px;display:grid;place-items:center;
  background:var(--grad);color:#fff;font-size:16px;font-weight:800;flex:0 0 auto;
}
.side-nav{padding:18px 12px 8px;display:flex;flex-direction:column;gap:4px}
.side-group{padding:18px 20px 8px;font-size:12px;letter-spacing:.1em;color:rgba(255,255,255,.6);font-weight:700}
.side-link{
  display:flex;align-items:center;gap:12px;height:48px;padding:0 14px;border-radius:12px;
  color:rgba(255,255,255,.86);font-size:15px;position:relative;
  transition:background .24s var(--ease),color .24s var(--ease);
}
.side-link i{width:20px;text-align:center;font-size:15px;opacity:.88}
.side-link:hover{background:rgba(255,255,255,.08);color:#fff;text-decoration:none}
.side-link.active{background:rgba(242,160,61,.16);color:#fff;font-weight:700}
.side-link.active::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:3px;background:var(--amber)}
.side-link:focus-visible{outline:3px solid rgba(242,160,61,.45);outline-offset:2px}
.side-foot{margin-top:auto;padding:20px;border-top:1px solid rgba(255,255,255,.1)}
.side-foot p{margin:14px 0 0;font-size:12.5px;line-height:1.7;color:rgba(255,255,255,.62)}
.side-cta{
  display:flex;align-items:center;justify-content:center;gap:8px;height:44px;border-radius:var(--r-pill);
  background:var(--amber);color:#3A2405;font-weight:700;font-size:15px;
  transition:background .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.side-cta:hover{background:var(--amber-dark);color:#3A2405;text-decoration:none;transform:translateY(-2px);box-shadow:0 10px 24px -10px rgba(242,160,61,.7)}

/* ============ 移动端顶栏 ============ */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:56px;z-index:1050;
  align-items:center;justify-content:space-between;padding:0 16px;
  background:#fff;border-bottom:1px solid var(--line);
}
.topbar .brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:15.5px;color:var(--ink)}
.topbar .brand:hover{color:var(--ink);text-decoration:none}
.topbar .mark{width:28px;height:28px;border-radius:10px;display:grid;place-items:center;background:var(--grad);color:#fff;font-size:14px;font-weight:800}
.nav-toggle{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:var(--panel);
  color:var(--deep);font-size:16px;display:grid;place-items:center;cursor:pointer;
}
.overlay{
  display:none;position:fixed;inset:0;background:rgba(11,58,56,.42);z-index:1035;
  opacity:0;transition:opacity .24s var(--ease);
}
.overlay.show{display:block;opacity:1}

/* ============ 面包屑 ============ */
.crumbs{padding:26px 0 0;font-size:13.5px;color:var(--muted);display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--amber-dark)}
.crumbs .sep{color:#B9B4A8}
.crumbs .now{color:var(--main);font-weight:700;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ============ 文章头 ============ */
.article-head{padding:22px 0 30px;border-bottom:1px solid var(--line)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.08em;font-weight:700;color:var(--main);text-transform:uppercase}
.article-head h1{
  font-size:clamp(28px,3.4vw,42px);line-height:1.22;font-weight:800;margin:14px 0 18px;letter-spacing:.01em;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px 18px;font-size:14px;color:var(--muted)}
.badge-cat{
  display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:var(--r-pill);
  background:var(--panel);color:var(--main);font-weight:700;font-size:13px;border:1px solid rgba(20,112,106,.14);
}
.meta-item{display:inline-flex;align-items:center;gap:7px}
.meta-item i{color:var(--main-light);font-size:13px}
.author-chip{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--ink)}
.author-chip .ava{width:28px;height:28px;border-radius:50%;background:var(--grad);color:#fff;display:grid;place-items:center;font-size:12px;font-weight:800}

/* ============ 文章栅格 ============ */
.article-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:40px;padding:34px 0 72px;align-items:start}
.article-col{min-width:0;max-width:860px}
.article-side{display:none}

/* ============ 正文排版 ============ */
.article-body{font-size:17px;line-height:1.9;color:var(--ink);word-wrap:break-word}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  position:relative;font-size:24px;line-height:1.4;font-weight:700;margin:2.1em 0 .85em;padding-left:16px;
}
.article-body h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:3px;background:var(--main)}
.article-body h3{position:relative;font-size:19.5px;font-weight:700;margin:1.7em 0 .7em;padding-left:18px}
.article-body h3::before{content:"";position:absolute;left:2px;top:.55em;width:8px;height:8px;border-radius:50%;background:var(--amber)}
.article-body h4{font-size:17px;font-weight:700;margin:1.4em 0 .6em;color:var(--main)}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.35em}
.article-body ul li{list-style:none;position:relative;margin-bottom:.6em;padding-left:6px}
.article-body ul li::before{content:"";position:absolute;left:-14px;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--main-light)}
.article-body ol{list-style:decimal}
.article-body ol li{margin-bottom:.6em;padding-left:4px}
.article-body ol li::marker{color:var(--main);font-weight:700}
.article-body blockquote{
  margin:1.6em 0;padding:16px 22px;border-left:3px solid var(--amber);
  background:#FFFBF4;border-radius:0 var(--r-md) var(--r-md) 0;color:var(--muted);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-md);margin:26px auto;box-shadow:var(--sh2)}
.article-body figure{margin:26px 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}
.article-body a{border-bottom:1px solid rgba(20,112,106,.35)}
.article-body a:hover{border-bottom-color:var(--amber)}
.article-body strong{color:var(--deep)}
.article-body hr{border:0;height:1px;background:var(--line);margin:2.2em 0}
.article-body table{
  width:100%;border-collapse:separate;border-spacing:0;margin:1.6em 0;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;font-size:15px;
}
.article-body thead th{background:var(--panel);color:var(--deep);text-align:left;font-weight:700}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line)}
.article-body tbody tr:last-child td{border-bottom:0}
.article-body pre{
  background:var(--deep);color:#DCEBE8;padding:18px 20px;border-radius:var(--r-md);
  overflow-x:auto;font-size:14px;line-height:1.7;margin:1.6em 0;
}
.article-body code{background:var(--panel);color:var(--main);padding:2px 7px;border-radius:6px;font-size:.92em}
.article-body pre code{background:transparent;color:inherit;padding:0}

/* ============ 标签 & 返回 ============ */
.article-tags{display:flex;flex-wrap:wrap;gap:10px;margin:44px 0 0;padding-top:26px;border-top:1px solid var(--line)}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:7px 15px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);font-size:13.5px;color:var(--muted);
  transition:border-color .22s var(--ease),color .22s var(--ease),transform .22s var(--ease);
}
.tag:hover{border-color:var(--main);color:var(--main);text-decoration:none;transform:translateY(-2px)}
.back-row{margin:26px 0 0}
.back-link{
  display:inline-flex;align-items:center;gap:9px;height:44px;padding:0 22px;border-radius:var(--r-pill);
  border:1px solid var(--main);color:var(--main);font-weight:600;font-size:14.5px;
  transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease);
}
.back-link:hover{background:var(--main);color:#fff;text-decoration:none;transform:translateY(-2px)}

/* ============ 空态 ============ */
.empty-state{
  padding:56px 24px;text-align:center;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--sh1);
}
.empty-state i{font-size:34px;color:var(--main-light);margin-bottom:14px;display:block}
.empty-state p{font-size:17px;font-weight:700;color:var(--ink);margin:0 0 18px}
.btn-main{
  display:inline-flex;align-items:center;gap:8px;height:46px;padding:0 26px;border-radius:var(--r-pill);
  background:var(--amber);color:#3A2405;font-weight:700;font-size:15px;border:0;
  transition:background .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.btn-main:hover{background:var(--amber-dark);color:#3A2405;text-decoration:none;transform:translateY(-2px);box-shadow:0 12px 26px -12px rgba(242,160,61,.8)}

/* ============ 侧栏卡片 ============ */
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;
  box-shadow:var(--sh1);margin-bottom:20px;
}
.side-card h3{font-size:16px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:9px}
.side-card h3 i{color:var(--amber);font-size:15px}
.info-list li{
  display:flex;justify-content:space-between;gap:12px;font-size:13.5px;color:var(--muted);
  padding:9px 0;border-bottom:1px dashed var(--line);
}
.info-list li:last-child{border-bottom:0;padding-bottom:0}
.info-list li span:last-child{color:var(--ink);font-weight:600;text-align:right;max-width:60%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.link-list li+li{margin-top:10px}
.link-list a{
  display:flex;align-items:center;gap:10px;font-size:14.5px;color:var(--muted);
  padding:10px 12px;border-radius:var(--r-sm);background:var(--page);
  transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease);
}
.link-list a i{color:var(--main-light);font-size:13px}
.link-list a:hover{background:var(--panel);color:var(--main);text-decoration:none;transform:translateX(3px)}
.side-cta-card{background:linear-gradient(150deg,#0B3A38 0%,#14706A 100%);color:#fff;border:0}
.side-cta-card h3{color:#fff}
.side-cta-card p{font-size:13.5px;color:rgba(255,255,255,.78);margin:0 0 16px;line-height:1.7}
.side-cta-card .btn-main{width:100%;justify-content:center}

/* ============ 相关推荐 ============ */
.related{padding:0 0 84px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap}
.section-head .eyebrow{margin-bottom:8px;display:block}
.section-head h2{font-size:clamp(22px,2.4vw,30px);font-weight:700}
.section-head .more{font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rel-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh1);display:flex;flex-direction:column;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:rgba(20,112,106,.28)}
.rel-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--panel)}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .26s var(--ease)}
.rel-card:hover .rel-thumb img{transform:scale(1.04)}
.rel-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-body h3{font-size:16.5px;line-height:1.5;font-weight:700;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-card:hover .rel-body h3{color:var(--main)}
.rel-body p{font-size:13.8px;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12.5px;color:var(--muted)}
.rel-foot .badge-cat{padding:4px 11px;font-size:12px}
.rel-card a{color:inherit}
.rel-card a:hover{text-decoration:none;color:inherit}

/* ============ 页脚 ============ */
.footer{background:var(--deep);color:rgba(255,255,255,.76);position:relative;margin-top:auto}
.footer::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad)}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding:64px 0 40px}
.fbrand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;margin-bottom:14px}
.fbrand .mark{width:32px;height:32px;border-radius:11px;display:grid;place-items:center;background:var(--grad);color:#fff;font-size:15px;font-weight:800}
.footer-top p{font-size:13.8px;line-height:1.85;color:rgba(255,255,255,.66);margin:0;max-width:340px}
.footer h4{color:#fff;font-size:14.5px;font-weight:700;margin-bottom:16px;letter-spacing:.02em}
.footer ul li+li{margin-top:10px}
.footer ul a{color:rgba(255,255,255,.72);font-size:13.8px;transition:color .22s var(--ease)}
.footer ul a:hover{color:var(--amber);text-decoration:none}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ============ 响应式 ============ */
@media (min-width:1200px){
  .article-grid{grid-template-columns:minmax(0,1fr) 300px}
  .article-side{display:block;position:sticky;top:24px}
}
@media (max-width:1399.98px){
  .wrap{padding:0 28px}
}
@media (max-width:1199.98px){
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-top{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
}
@media (max-width:991.98px){
  .sidebar{
    width:82vw;max-width:320px;transform:translateX(-100%);
    transition:transform .26s var(--ease);box-shadow:0 24px 60px -24px rgba(11,58,56,.5);
  }
  .sidebar.open{transform:translateX(0)}
  .topbar{display:flex}
  .content{margin-left:0;padding-top:56px}
  .wrap{padding:0 20px}
  .article-body{font-size:16.5px}
}
@media (max-width:767.98px){
  .article-head h1{font-size:26px}
  .rel-grid{grid-template-columns:minmax(0,1fr)}
  .footer-top{grid-template-columns:1fr 1fr;gap:26px;padding:48px 0 32px}
  .footer-top>div:first-child{grid-column:1 / -1}
  .footer-top p{max-width:none}
  .crumbs{padding-top:18px}
  .article-grid{padding:24px 0 56px}
  .related{padding-bottom:64px}
}
@media (max-width:575.98px){
  .wrap{padding:0 16px}
  .footer-top{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
  .article-body{font-size:16px;line-height:1.85}
  .article-body h2{font-size:21px}
  .article-body h3{font-size:18px}
  .back-link,.btn-main{width:100%;justify-content:center}
}

/* roulang page: category1 */
:root{
  --brand-900:#0B3A38;
  --brand-700:#14706A;
  --brand-500:#1E8C82;
  --amber:#F2A03D;
  --amber-700:#D8862A;
  --mint:#EAF4F2;
  --ink:#10201F;
  --ink-2:#4A5C5A;
  --line:#E4E1DA;
  --bg:#F7F5F1;
  --surface:#FFFFFF;
  --grad:linear-gradient(118deg,#0E524E 0%,#17857C 48%,#F2A03D 118%);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,32,31,.06);
  --sh-2:0 10px 30px -12px rgba(11,58,56,.22);
  --sh-3:0 24px 60px -24px rgba(11,58,56,.35);
  --side:248px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --bs-body-font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --bs-body-color:#10201F;
  --bs-primary:#14706A;
  --bs-border-radius:12px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block}
a{color:var(--brand-700);text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--amber-700)}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(242,160,61,.5);outline-offset:2px;border-radius:8px}
h1,h2,h3,h4{color:var(--ink);margin:0;line-height:1.25;font-weight:700}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.wrap{max-width:1240px;margin:0 auto;width:100%}
.eyebrow{
  display:inline-block;
  font-size:13px;
  letter-spacing:.08em;
  color:var(--brand-700);
  font-weight:600;
  margin-bottom:10px;
}
.sec{padding:88px 0 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.sec-head h2{font-size:clamp(24px,2.6vw,34px);font-weight:700}
.sec-head p{color:var(--ink-2);font-size:15px;margin-top:10px;max-width:620px}
.link-more{font-size:15px;font-weight:600;color:var(--brand-700);white-space:nowrap}
.link-more i{font-size:12px;margin-left:6px;transition:transform .22s var(--ease);display:inline-block}
.link-more:hover i{transform:translateX(3px)}

/* ============ 侧边导航 ============ */
.sidebar{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--side);
  background:linear-gradient(172deg,#0B3A38 0%,#0E524E 58%,#14706A 100%);
  color:#fff;
  padding:0 16px 22px;
  display:flex;
  flex-direction:column;
  overflow-y:auto;
  z-index:1045;
}
.sidebar::-webkit-scrollbar{width:6px}
.sidebar::-webkit-scrollbar-thumb{background:rgba(255,255,255,.18);border-radius:3px}
.sbrand{height:72px;display:flex;align-items:center;gap:10px;color:#fff !important;font-weight:800;font-size:18px;letter-spacing:.01em;text-decoration:none;flex:none}
.sbrand .mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad);
  display:grid;place-items:center;font-size:17px;font-weight:800;color:#fff;
  box-shadow:0 6px 16px -8px rgba(242,160,61,.7);
}
.side-group{font-size:12px;letter-spacing:.1em;color:rgba(255,255,255,.6);margin:18px 0 10px;padding-left:14px}
.side-nav{display:flex;flex-direction:column;gap:6px}
.side-link{
  position:relative;
  display:flex;align-items:center;gap:12px;
  height:48px;padding:0 14px;border-radius:12px;
  color:rgba(255,255,255,.84);font-size:15px;
  transition:background .22s var(--ease),color .22s var(--ease);
}
.side-link i{width:18px;text-align:center;font-size:14px;opacity:.9}
.side-link:hover{background:rgba(255,255,255,.08);color:#fff}
.side-link.active{background:rgba(242,160,61,.16);color:#fff;font-weight:700}
.side-link.active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
  border-radius:3px;background:var(--amber);
}
.side-foot{margin-top:auto;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);font-size:12px;color:rgba(255,255,255,.66);line-height:1.9}
.side-foot .pill-cta{
  display:flex;align-items:center;justify-content:center;gap:8px;
  height:44px;border-radius:var(--r-pill);
  background:var(--amber);color:#2A1600;font-weight:700;font-size:15px;
  margin-bottom:14px;transition:background .22s var(--ease),transform .22s var(--ease);
}
.side-foot .pill-cta:hover{background:var(--amber-700);color:#2A1600;transform:translateY(-2px)}

/* ============ 移动端顶栏 ============ */
.topbar{
  display:none;
  position:fixed;top:0;left:0;right:0;height:56px;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  align-items:center;justify-content:space-between;
  padding:0 16px;z-index:1035;
}
.topbar .tbrand{display:flex;align-items:center;gap:8px;font-weight:800;color:var(--ink);font-size:16px}
.topbar .tbrand .mark{width:30px;height:30px;border-radius:10px;background:var(--grad);display:grid;place-items:center;color:#fff;font-size:14px}
.burger{
  width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:12px;
  display:grid;place-items:center;color:var(--brand-900);font-size:17px;
}
.nav-backdrop{
  display:none;position:fixed;inset:0;background:rgba(11,58,56,.42);z-index:1040;
}
.nav-backdrop.show{display:block}

/* ============ 主内容 ============ */
.main{margin-left:var(--side);padding:28px 32px 0}
.crumb{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--ink-2);margin-bottom:20px;flex-wrap:wrap}
.crumb a{color:var(--ink-2)}
.crumb a:hover{color:var(--amber-700)}
.crumb .cur{color:var(--brand-700);font-weight:600}

.cat-hero{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  min-height:290px;display:flex;align-items:flex-end;
  padding:38px 40px;background:var(--grad);box-shadow:var(--sh-3);
}
.cat-hero > img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.3;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(11,58,56,.9) 0%,rgba(14,82,78,.68) 52%,rgba(242,160,61,.28) 100%);
}
.cat-hero-inner{position:relative;z-index:2;color:#fff;max-width:720px}
.cat-hero .eyebrow{color:#FFD9A6;margin-bottom:12px}
.cat-hero h1{
  color:#fff;font-size:clamp(30px,4.2vw,48px);font-weight:800;line-height:1.18;
  letter-spacing:.01em;
}
.cat-hero p{color:rgba(255,255,255,.9);margin-top:14px;font-size:16px;max-width:640px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-tags span{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);
  color:#fff;font-size:13px;
}

/* ============ 图文交错 ============ */
.zig{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:32px 0}
.zig + .zig{border-top:1px solid var(--line)}
.zig.reverse .zig-media{order:2}
.zig-media{
  border-radius:var(--r-lg);overflow:hidden;aspect-ratio:16/10;
  background:var(--mint);box-shadow:var(--sh-2);
}
.zig-media img{width:100%;height:100%;object-fit:cover;transition:transform .26s var(--ease)}
.zig-media:hover img{transform:scale(1.04)}
.zig-body h3{font-size:22px;margin-bottom:14px}
.zig-body p{color:var(--ink-2)}
.zig-list{margin-top:20px;display:flex;flex-direction:column;gap:12px}
.zig-list li{display:flex;gap:10px;font-size:15px;color:var(--ink)}
.zig-list li i{color:var(--brand-500);margin-top:6px;font-size:13px}
.zig-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:12px;background:var(--mint);
  color:var(--brand-700);font-weight:800;font-size:15px;margin-bottom:14px;
}

/* ============ 流程 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 22px;box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#CFE6E2}
.step .badge-num{
  width:44px;height:44px;border-radius:14px;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:15px;margin-bottom:16px;
  box-shadow:0 8px 20px -12px rgba(11,58,56,.6);
}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14px;color:var(--ink-2)}

/* ============ 数据条 ============ */
.stat-strip{
  background:var(--grad);border-radius:var(--r-lg);padding:24px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
}
.stat-card{
  background:#fff;border-radius:var(--r-md);padding:22px 20px;box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.stat-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.stat-num{font-size:30px;font-weight:800;color:var(--brand-900);line-height:1.2;font-variant-numeric:tabular-nums}
.stat-num small{font-size:14px;font-weight:600;color:var(--ink-2);margin-left:4px}
.stat-label{font-size:13px;color:var(--ink-2);margin-top:8px}

/* ============ FAQ ============ */
.faq{max-width:900px}
.faq .accordion-item{
  border:0;border-radius:var(--r-md) !important;overflow:hidden;margin-bottom:12px;
  background:var(--surface);box-shadow:var(--sh-1);
}
.faq .accordion-button{
  background:var(--surface);color:var(--ink);font-size:17px;font-weight:700;
  padding:20px 56px 20px 22px;box-shadow:none !important;border-radius:var(--r-md) !important;
  position:relative;
}
.faq .accordion-button:not(.collapsed){background:var(--mint);color:var(--brand-900)}
.faq .accordion-button::after{display:none}
.faq .accordion-button::before{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  width:26px;height:26px;border-radius:999px;background:var(--mint);color:var(--brand-700);
  display:grid;place-items:center;font-size:16px;font-weight:700;line-height:1;
}
.faq .accordion-button:not(.collapsed)::before{content:"−";background:var(--brand-700);color:#fff}
.faq .accordion-body{padding:4px 22px 22px;color:var(--ink-2);font-size:15px;background:var(--mint);border-radius:0 0 var(--r-md) var(--r-md)}

/* ============ CTA ============ */
.cta-band{
  position:relative;margin-top:88px;border-radius:var(--r-xl);overflow:hidden;
  background:var(--brand-900);color:#fff;padding:52px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
}
.cta-band::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad)}
.cta-band h2{color:#fff;font-size:clamp(22px,2.4vw,30px)}
.cta-band p{color:rgba(255,255,255,.8);margin-top:12px;max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

.btn-amber,.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  height:50px;padding:0 30px;border-radius:var(--r-pill);
  font-size:16px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:background .24s var(--ease),color .24s var(--ease),transform .24s var(--ease),border-color .24s var(--ease);
}
.btn-amber{background:var(--amber);color:#2A1600}
.btn-amber:hover{background:var(--amber-700);color:#2A1600;transform:translateY(-2px)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.7);transform:translateY(-2px)}

/* ============ 页脚 ============ */
.footer{
  margin-left:var(--side);margin-top:88px;
  background:linear-gradient(180deg,#0B3A38 0%,#0E2F2D 100%);
  color:rgba(255,255,255,.78);position:relative;padding:0 32px 26px;
}
.footer::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad)}
.footer-top{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;
  padding:60px 0 44px;
}
.fbrand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:18px;margin-bottom:16px}
.fbrand .mark{width:36px;height:36px;border-radius:12px;background:var(--grad);display:grid;place-items:center;color:#fff;font-size:16px}
.footer-top p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);max-width:340px}
.footer h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:700}
.footer ul li{margin-bottom:10px}
.footer ul a{color:rgba(255,255,255,.7);font-size:14px}
.footer ul a:hover{color:var(--amber)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.12);padding-top:20px;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ============ 响应式 ============ */
@media (min-width:1400px){
  .main{padding:32px 48px 0}
  .footer{padding:0 48px 26px}
}
@media (max-width:1199.98px){
  .steps{grid-template-columns:repeat(2,1fr)}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991.98px){
  .topbar{display:flex}
  .sidebar{transform:translateX(-100%);transition:transform .26s var(--ease);width:82vw;max-width:320px}
  .sidebar.open{transform:translateX(0)}
  .main{margin-left:0;padding:76px 20px 0}
  .footer{margin-left:0;padding:0 20px 24px;margin-top:64px}
  .sec{padding:64px 0 0}
  .cta-band{margin-top:64px;padding:40px 28px}
  .zig{gap:28px;grid-template-columns:1fr}
  .zig.reverse .zig-media{order:0}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 36px}
}
@media (max-width:767.98px){
  body{font-size:15px}
  .sec{padding:48px 0 0}
  .cat-hero{min-height:240px;padding:26px 22px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:24px}
  .steps{grid-template-columns:1fr}
  .stat-strip{grid-template-columns:1fr;padding:18px}
  .zig{padding:24px 0}
  .cta-actions{width:100%}
  .btn-amber,.btn-ghost{width:100%;justify-content:center}
  .footer-top{grid-template-columns:1fr;gap:28px}
}
@media (max-width:575.98px){
  .main{padding:70px 16px 0}
  .footer{padding:0 16px 22px}
  .cat-hero{border-radius:var(--r-lg)}
  .hero-tags span{font-size:12px;padding:5px 11px}
}

/* roulang page: category2 */
:root{
  --ink-deep:#0B3A38; --brand:#14706A; --brand-light:#1E8C82;
  --amber:#F2A03D; --amber-dark:#D8862A;
  --panel:#EAF4F2; --text:#10201F; --muted:#4A5C5A;
  --line:#E4E1DA; --bg:#F7F5F1; --card:#FFFFFF;
  --grad:linear-gradient(118deg,#0E524E 0%,#17857C 48%,#F2A03D 118%);
  --r10:10px; --r16:16px; --r24:24px; --r32:32px; --rpill:999px;
  --sh1:0 1px 2px rgba(16,32,31,.06);
  --sh2:0 10px 30px -12px rgba(11,58,56,.22);
  --sh3:0 24px 60px -24px rgba(11,58,56,.35);
  --ease:cubic-bezier(.2,.7,.3,1);
  --side-w:248px;
  --bs-body-font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --bs-primary:#14706A;
  --bs-border-radius:16px;
  --bs-body-color:#10201F;
  --bs-body-bg:#F7F5F1;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.85;font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--amber-dark)}
h1,h2,h3,h4{margin:0;color:var(--ink-deep);font-weight:700;line-height:1.25}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:3px solid rgba(242,160,61,.45);outline-offset:2px;border-radius:8px;
}
.wrap{max-width:1240px;margin:0 auto;padding:0 24px}

/* ---------- 侧边导航 ---------- */
.app-side{
  position:fixed;top:0;left:0;bottom:0;width:var(--side-w);height:100vh;overflow-y:auto;
  display:flex;flex-direction:column;gap:6px;padding:20px 16px 26px;z-index:1040;
  background:linear-gradient(180deg,#0B3A38 0%,#0E524E 58%,#116059 100%);
  box-shadow:inset -1px 0 0 rgba(255,255,255,.08);
}
.app-side .brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;padding:6px 10px 14px;letter-spacing:.01em}
.app-side .brand:hover{color:#fff}
.mark{
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
  width:34px;height:34px;border-radius:10px;background:var(--grad);
  color:#fff;font-weight:800;font-size:16px;
}
.side-group{margin:0;padding:14px 12px 6px;font-size:12px;letter-spacing:.1em;color:rgba(255,255,255,.6)}
.side-nav{display:flex;flex-direction:column;gap:4px}
.side-link{
  position:relative;display:flex;align-items:center;gap:12px;height:48px;padding:0 12px;
  border-radius:12px;color:rgba(255,255,255,.86);font-size:15px;
  transition:background .22s var(--ease),color .22s var(--ease);
}
.side-link i{width:18px;text-align:center;font-size:15px;opacity:.85}
.side-link:hover{background:rgba(255,255,255,.08);color:#fff}
.side-link.active{background:rgba(242,160,61,.16);color:#fff;font-weight:700}
.side-link.active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:3px;background:var(--amber);
}
.side-foot{margin-top:auto;padding-top:18px;border-top:1px solid rgba(255,255,255,.12)}
.side-foot p{margin:12px 2px 0;font-size:12px;line-height:1.7;color:rgba(255,255,255,.62)}
.side-cta{
  display:block;text-align:center;background:var(--amber);color:#2A1A02;font-weight:700;font-size:15px;
  border-radius:var(--rpill);padding:11px 16px;transition:background .22s var(--ease),transform .22s var(--ease);
}
.side-cta:hover{background:var(--amber-dark);color:#2A1A02;transform:translateY(-2px)}

/* ---------- 移动顶栏 ---------- */
.topbar{display:none}
.scrim{position:fixed;inset:0;background:rgba(11,58,56,.45);opacity:0;pointer-events:none;transition:opacity .24s var(--ease);z-index:1035}
.scrim.is-on{opacity:1;pointer-events:auto}
body.no-scroll{overflow:hidden}

.app-main{margin-left:var(--side-w);min-height:100vh;display:flex;flex-direction:column}

/* ---------- 分类首屏 ---------- */
.cat-hero{position:relative;display:flex;align-items:flex-end;min-height:310px;padding:64px 0 46px;color:#fff;overflow:hidden;background:var(--ink-deep)}
.cat-hero__bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.32}
.cat-hero::after{content:"";position:absolute;inset:0;background:var(--grad);opacity:.76}
.cat-hero .wrap{position:relative;z-index:2}
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:16px}
.crumb a{color:rgba(255,255,255,.85)}
.crumb a:hover{color:var(--amber)}
.crumb .sep{opacity:.55}
.crumb .cur{color:#fff;font-weight:600}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:.08em;font-weight:700;color:var(--brand);margin-bottom:10px}
.cat-hero .eyebrow{color:#FFD8A4}
.cat-hero h1{color:#fff;font-size:clamp(28px,3.4vw,42px);font-weight:800;letter-spacing:.01em}
.cat-hero .lead{max-width:720px;margin:14px 0 0;font-size:16px;color:rgba(255,255,255,.86)}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-tags span{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;color:#fff;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.26);border-radius:var(--rpill);padding:6px 14px;
}

/* ---------- 板块 ---------- */
.section{padding:88px 0}
.section--tight{padding:0 0 88px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:30px}
.sec-head h2{font-size:clamp(24px,2.6vw,34px)}
.sec-head .sub{margin:10px 0 0;max-width:660px;color:var(--muted);font-size:15px}
.more{font-weight:600;font-size:14px;white-space:nowrap}
.more:hover{color:var(--amber-dark);text-decoration:underline;text-underline-offset:4px}

/* ---------- 筛选药丸 ---------- */
.filter-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.pill{
  border:1px solid var(--line);background:#fff;color:var(--muted);font-size:14px;
  border-radius:var(--rpill);padding:9px 20px;cursor:pointer;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.pill:hover{border-color:var(--brand-light);color:var(--brand)}
.pill.is-active{background:var(--ink-deep);border-color:var(--ink-deep);color:#fff;font-weight:700}

/* ---------- 瀑布网格 ---------- */
.waterfall{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:start}
.ex-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r24);overflow:hidden;
  box-shadow:var(--sh1);transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.ex-card:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:#CDE2DE}
.ex-card[hidden]{display:none}
.ex-media{position:relative;overflow:hidden;aspect-ratio:16/10;background:var(--panel)}
.ex-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.ex-card:hover .ex-media img{transform:scale(1.04)}
.ex-media--tall{aspect-ratio:4/3}
.ex-media--low{aspect-ratio:3/2}
.ex-badge{
  position:absolute;left:14px;top:14px;background:rgba(255,255,255,.94);color:var(--ink-deep);
  font-size:12px;font-weight:700;letter-spacing:.02em;padding:5px 12px;border-radius:var(--rpill);box-shadow:var(--sh1);
}
.ex-body{padding:18px 20px 22px}
.ex-body h3{font-size:19px}
.ex-body p{margin:10px 0 0;font-size:14px;line-height:1.8;color:var(--muted)}
.ex-meta{display:flex;flex-wrap:wrap;gap:14px;margin:14px 0 14px;font-size:13px;color:var(--muted)}
.ex-meta li{display:inline-flex;align-items:center;gap:6px}
.ex-meta i{color:var(--brand-light)}
.ex-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700}
.ex-link i{transition:transform .22s var(--ease)}
.ex-link:hover i{transform:translateX(4px)}
.ex-card--lg{grid-column:span 2;display:grid;grid-template-columns:1.06fr 1fr}
.ex-card--lg .ex-media{aspect-ratio:auto;height:100%;min-height:320px}
.ex-card--lg .ex-media img{position:absolute;inset:0}
.ex-card--lg .ex-body{padding:30px 32px;display:flex;flex-direction:column;justify-content:center}
.ex-card--lg .ex-body h3{font-size:clamp(22px,2.2vw,28px)}
.ex-card--lg .ex-body p{font-size:15px}

/* ---------- 数据条 ---------- */
.stats{position:relative;overflow:hidden;border-radius:var(--r32);padding:14px;background:var(--ink-deep)}
.stats::before{content:"";position:absolute;inset:0;background:var(--grad);opacity:.3}
.stats-grid{position:relative;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.stat{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.15);border-radius:var(--r16);padding:22px 20px;color:#fff}
.stat b{display:block;font-size:clamp(26px,2.6vw,32px);font-weight:800;line-height:1.1}
.stat b em{font-style:normal;font-size:14px;font-weight:600;margin-left:4px;opacity:.8}
.stat span{display:block;margin-top:8px;font-size:13px;color:rgba(255,255,255,.74)}

/* ---------- 时段节奏 ---------- */
.flow{display:flex;flex-direction:column;gap:18px}
.flow-item{
  display:grid;grid-template-columns:88px minmax(0,1fr);gap:22px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:var(--r24);padding:26px;box-shadow:var(--sh1);
  transition:box-shadow .24s var(--ease),transform .24s var(--ease);
}
.flow-item:hover{box-shadow:var(--sh2);transform:translateY(-2px)}
.flow-num{
  width:58px;height:58px;border-radius:18px;background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:19px;font-weight:800;
}
.flow-item h3{font-size:20px}
.flow-item p{margin:10px 0 0;color:var(--muted);font-size:15px}
.flow-item .flow-tip{display:inline-flex;align-items:center;gap:8px;margin-top:14px;font-size:13px;color:var(--brand);background:var(--panel);border-radius:var(--rpill);padding:6px 14px}

/* ---------- 反馈 ---------- */
.voices{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:start}
.voice{background:#fff;border:1px solid var(--line);border-radius:var(--r24);padding:26px;box-shadow:var(--sh1)}
.voices .voice:nth-child(2){transform:translateY(24px)}
.voice .quote{font-size:15px;color:var(--text);margin:0 0 18px}
.voice .who{display:flex;align-items:center;gap:12px;border-top:1px solid var(--line);padding-top:16px}
.avatar{
  width:40px;height:40px;border-radius:50%;background:var(--panel);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;flex:0 0 auto;
}
.who b{display:block;font-size:14px;color:var(--ink-deep)}
.who span{font-size:12px;color:var(--muted)}
.voice .rate{color:var(--amber);font-size:13px;letter-spacing:2px;margin-bottom:10px}

/* ---------- FAQ ---------- */
.faq{max-width:880px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r16);margin-bottom:12px;overflow:hidden;transition:background .22s var(--ease),border-color .22s var(--ease)}
.faq-item.is-open{background:var(--panel);border-color:#CDE2DE}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;background:none;border:0;text-align:left;cursor:pointer;
  font-size:17px;font-weight:700;color:var(--ink-deep);
}
.faq-q .sign{
  width:28px;height:28px;border-radius:50%;flex:0 0 auto;
  background:var(--panel);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:13px;
  transition:background .22s var(--ease),color .22s var(--ease),transform .26s var(--ease);
}
.faq-item.is-open .sign{background:var(--brand);color:#fff;transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a p{margin:0;padding:0 20px 20px;font-size:15px;color:var(--muted)}

/* ---------- 预约 ---------- */
.apply{display:grid;grid-template-columns:1.35fr 1fr;gap:28px;align-items:start}
.apply-card{background:#fff;border:1px solid var(--line);border-radius:var(--r24);padding:32px;box-shadow:var(--sh2)}
.apply-card h3{font-size:21px;margin-bottom:8px}
.apply-card .hint{font-size:14px;color:var(--muted);margin-bottom:22px}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}
.field label{font-size:14px;font-weight:600;color:var(--muted)}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:12px;background:#FDFCFA;color:var(--text);
  font-size:15px;padding:12px 14px;transition:border-color .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease);
}
.field textarea{min-height:120px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:0;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(30,140,130,.16);
}
.btn-solid{
  display:inline-flex;align-items:center;gap:8px;background:var(--amber);color:#2A1A02;font-weight:700;font-size:15px;
  border:0;border-radius:var(--rpill);padding:13px 30px;cursor:pointer;
  transition:background .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.btn-solid:hover{background:var(--amber-dark);color:#2A1A02;transform:translateY(-2px);box-shadow:var(--sh2)}
.apply-note{margin:14px 0 0;font-size:13px;color:var(--muted)}
.info-card{background:var(--panel);border:1px solid #D8E8E4;border-radius:var(--r24);padding:28px}
.info-card h4{font-size:18px;margin-bottom:16px}
.info-list li{display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-bottom:1px dashed #CFE3DE;font-size:14px;color:var(--muted)}
.info-list li:last-child{border-bottom:0}
.info-list i{color:var(--brand);width:18px;text-align:center;margin-top:4px}
.info-list b{display:block;color:var(--ink-deep);font-size:15px;font-weight:700}
.info-badge{
  display:inline-flex;align-items:center;gap:8px;margin-top:18px;background:#fff;border:1px solid var(--line);
  border-radius:var(--rpill);padding:8px 16px;font-size:13px;font-weight:700;color:var(--ink-deep);box-shadow:var(--sh1);
}
.info-badge i{color:var(--amber)}

/* ---------- 页脚 ---------- */
.footer{position:relative;margin-top:auto;padding:58px 0 28px;background:var(--ink-deep);color:rgba(255,255,255,.8)}
.footer::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad)}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.fbrand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:18px;margin-bottom:14px}
.footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.7);margin:0;max-width:360px}
.footer h4{color:#fff;font-size:15px;margin-bottom:14px}
.footer ul li{margin-bottom:10px}
.footer ul a{color:rgba(255,255,255,.76);font-size:14px}
.footer ul a:hover{color:var(--amber)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  margin-top:36px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .section{padding:64px 0}
  .section--tight{padding:0 0 64px}
}
@media (max-width:991.98px){
  .app-side{transform:translateX(-100%);transition:transform .26s var(--ease);box-shadow:var(--sh3)}
  .app-side.is-open{transform:none}
  .app-main{margin-left:0}
  .topbar{
    display:flex;position:fixed;top:0;left:0;right:0;height:56px;align-items:center;justify-content:space-between;
    padding:0 16px;background:rgba(247,245,241,.94);backdrop-filter:blur(8px);
    border-bottom:1px solid var(--line);z-index:1050;
  }
  .topbar .brand{display:flex;align-items:center;gap:8px;font-weight:800;font-size:16px;color:var(--ink-deep)}
  .topbar .brand:hover{color:var(--ink-deep)}
  .nav-toggle{
    width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;
    color:var(--ink-deep);font-size:16px;cursor:pointer;
  }
  body{padding-top:56px}
  .scrim{display:block}
  .waterfall{grid-template-columns:repeat(2,minmax(0,1fr))}
  .ex-card--lg{grid-column:span 2;grid-template-columns:1fr}
  .ex-card--lg .ex-media{aspect-ratio:16/9;height:auto;min-height:0}
  .ex-card--lg .ex-media img{position:static}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .voices{grid-template-columns:1fr 1fr}
  .voices .voice:nth-child(2){transform:none}
  .apply{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr 1fr}
}
@media (max-width:767.98px){
  .section{padding:48px 0}
  .section--tight{padding:0 0 48px}
  .wrap{padding:0 18px}
  .cat-hero{min-height:260px;padding:48px 0 36px}
  .waterfall,.stats-grid,.voices{grid-template-columns:1fr}
  .ex-card--lg{grid-column:span 1}
  .flow-item{grid-template-columns:1fr;gap:16px}
  .apply-card{padding:24px}
  .btn-solid{width:100%;justify-content:center}
}
@media (max-width:575.98px){
  .footer-top{grid-template-columns:1fr}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px}
  .hero-tags span{font-size:12px}
}

/* roulang page: category3 */
:root{
  --bs-primary:#14706A;
  --bs-body-font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --bs-border-radius:12px;
  --bs-link-color:#14706A;
  --bs-link-hover-color:#D8862A;
  --c-deep:#0B3A38;
  --c-main:#14706A;
  --c-main-light:#1E8C82;
  --c-amber:#F2A03D;
  --c-amber-dark:#D8862A;
  --c-panel:#EAF4F2;
  --c-ink:#10201F;
  --c-sub:#4A5C5A;
  --c-line:#E4E1DA;
  --c-page:#F7F5F1;
  --c-card:#FFFFFF;
  --grad-brand:linear-gradient(118deg,#0E524E 0%,#17857C 48%,#F2A03D 118%);
  --sh-1:0 1px 2px rgba(16,32,31,.06);
  --sh-2:0 10px 30px -12px rgba(11,58,56,.22);
  --sh-3:0 24px 60px -24px rgba(11,58,56,.35);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-page);
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
}
img{max-width:100%;display:block;object-fit:cover}
a{color:var(--c-main);text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--c-amber-dark);text-decoration:underline;text-underline-offset:2px}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;color:var(--c-ink)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button,input,textarea,select{font-family:inherit;font-size:inherit}
:focus-visible{outline:3px solid rgba(242,160,61,.55);outline-offset:2px;border-radius:8px}
.wrap{max-width:1240px;margin:0 auto;padding:0 32px}
.main{margin-left:248px;min-height:100vh}
.sec{padding:88px 0}
.sec.tight{padding-top:56px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:.08em;font-weight:700;color:var(--c-main);margin-bottom:12px}
.sec-head h2{font-size:clamp(24px,2.6vw,34px)}
.sec-head .sub{color:var(--c-sub);font-size:15px;max-width:620px;margin-top:10px}
.more-link{font-size:14px;font-weight:600;color:var(--c-main);white-space:nowrap}
.more-link i{margin-left:6px;transition:transform .22s var(--ease)}
.more-link:hover i{transform:translateX(3px)}

/* 侧栏导航 */
.side-shell{
  position:fixed;left:0;top:0;width:248px;height:100vh;z-index:1040;
  display:flex;flex-direction:column;
  background:linear-gradient(172deg,#0B3A38 0%,#0E524E 58%,#14706A 100%);
  color:#fff;padding:0 14px;overflow-y:auto;
}
.side-logo{height:72px;display:flex;align-items:center;gap:10px;padding:0 8px;color:#fff;font-weight:700;font-size:17px;letter-spacing:.02em;flex:none}
.side-logo:hover{color:#fff;text-decoration:none}
.mark{
  width:36px;height:36px;border-radius:12px;flex:none;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,#F2A03D,#D8862A);
  color:#241505;font-weight:800;font-size:17px;
}
.side-group-title{font-size:12px;letter-spacing:.1em;color:rgba(255,255,255,.6);margin:22px 12px 8px}
.side-nav{display:flex;flex-direction:column;gap:4px}
.side-link{
  position:relative;display:flex;align-items:center;gap:10px;
  height:48px;padding:0 12px;border-radius:12px;
  color:rgba(255,255,255,.86);font-size:15px;
  transition:background .22s var(--ease),color .22s var(--ease);
}
.side-link i{width:18px;text-align:center;font-size:15px;opacity:.9}
.side-link:hover{background:rgba(255,255,255,.08);color:#fff;text-decoration:none}
.side-link.active{background:rgba(242,160,61,.16);color:#fff;font-weight:600}
.side-link.active::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:2px;background:var(--c-amber)}
.side-foot{margin-top:auto;padding:24px 8px 26px;flex:none}
.side-cta{
  display:flex;align-items:center;justify-content:center;gap:8px;
  height:46px;border-radius:999px;background:var(--c-amber);color:#241505;
  font-weight:700;font-size:15px;transition:background .22s var(--ease),transform .22s var(--ease);
}
.side-cta:hover{background:var(--c-amber-dark);color:#241505;text-decoration:none;transform:translateY(-1px)}
.side-foot p{margin-top:14px;font-size:12.5px;line-height:1.9;color:rgba(255,255,255,.62)}

/* 移动端顶栏 */
.mobile-bar{
  display:none;position:fixed;top:0;left:0;right:0;height:56px;z-index:1050;
  align-items:center;justify-content:space-between;padding:0 16px;
  background:rgba(255,255,255,.96);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-line);
}
.mobile-bar .m-logo{display:flex;align-items:center;gap:8px;font-weight:700;color:var(--c-ink);font-size:16px}
.mobile-bar .m-logo:hover{text-decoration:none;color:var(--c-ink)}
.m-burger{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--c-line);
  background:#fff;color:var(--c-deep);font-size:17px;
}
.m-burger:hover{border-color:var(--c-main);color:var(--c-main)}
.nav-drawer{
  background:linear-gradient(172deg,#0B3A38 0%,#0E524E 60%,#14706A 100%);
  color:#fff;width:82vw;max-width:320px;border:0!important;
}
.nav-drawer .offcanvas-header{padding:18px 20px;border-bottom:1px solid rgba(255,255,255,.12)}
.nav-drawer .offcanvas-title{color:#fff;font-size:17px;font-weight:700;display:flex;align-items:center;gap:10px}
.nav-drawer .btn-close{filter:invert(1) grayscale(1) brightness(2)}
.nav-drawer .offcanvas-body{padding:16px 14px}
.nav-drawer .side-foot{padding:26px 6px 10px}

/* Hero */
.page-hero{
  position:relative;overflow:hidden;
  padding:56px 0 64px;
  background-image:linear-gradient(118deg,rgba(11,58,56,.95) 0%,rgba(14,82,78,.9) 45%,rgba(23,133,124,.82) 78%,rgba(242,160,61,.72) 118%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  color:#fff;
}
.page-hero::after{
  content:"";position:absolute;right:-120px;top:-80px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,160,61,.28),transparent 68%);
  pointer-events:none;
}
.crumb{font-size:13.5px;color:rgba(255,255,255,.78);margin-bottom:22px}
.crumb a{color:rgba(255,255,255,.9)}
.crumb a:hover{color:var(--c-amber)}
.crumb .sep{margin:0 8px;opacity:.6}
.crumb .now{color:#FFD9A8}
.page-hero .eyebrow{color:#FFD9A8}
.page-hero h1{
  font-size:clamp(30px,4.2vw,48px);font-weight:800;line-height:1.18;color:#fff;max-width:760px;
}
.page-hero .lead{
  margin-top:18px;max-width:660px;font-size:16px;line-height:1.9;color:rgba(255,255,255,.86);
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.btn-solid,.btn-ghost,.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;font-weight:700;font-size:15px;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.btn-solid{background:var(--c-amber);color:#241505;border:0}
.btn-solid:hover{background:var(--c-amber-dark);color:#241505;text-decoration:none;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-ghost{background:#fff;color:var(--c-main);border:1.5px solid var(--c-main)}
.btn-ghost:hover{background:var(--c-main);color:#fff;text-decoration:none;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-line{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.7)}
.btn-line:hover{background:rgba(255,255,255,.14);color:#fff;text-decoration:none;transform:translateY(-2px)}

/* 数据徽章条 */
.stat-bar{margin-top:-40px;position:relative;z-index:5}
.stat-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:26px 28px;box-shadow:var(--sh-2);
}
.stat{display:flex;gap:14px;align-items:flex-start}
.stat .dot{
  width:42px;height:42px;border-radius:14px;flex:none;display:flex;align-items:center;justify-content:center;
  background:var(--c-panel);color:var(--c-main);font-size:17px;
}
.stat .num{font-size:28px;font-weight:800;line-height:1.1;color:var(--c-deep)}
.stat .num span{font-size:14px;font-weight:600;color:var(--c-sub);margin-left:3px}
.stat .lab{font-size:13px;color:var(--c-sub);margin-top:4px}

/* 编号大列表 */
.split{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:34px;align-items:start}
.num-list{display:flex;flex-direction:column;gap:18px}
.num-item{
  display:grid;grid-template-columns:104px minmax(0,1fr) auto;gap:22px;align-items:center;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:26px 28px;transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.num-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#CFE5E1}
.num-item .no{
  font-size:clamp(40px,4.6vw,58px);font-weight:800;line-height:1;letter-spacing:-.02em;
  background:linear-gradient(118deg,#0E524E 0%,#17857C 52%,#F2A03D 118%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.num-item h3{font-size:20px;margin-bottom:8px}
.num-item p{color:var(--c-sub);font-size:15px}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:600;color:var(--c-main);
  background:var(--c-panel);border-radius:999px;padding:5px 12px;
}
.num-link{
  font-size:14px;font-weight:700;color:var(--c-main);white-space:nowrap;
  display:inline-flex;align-items:center;gap:6px;
}
.num-link i{transition:transform .22s var(--ease)}
.num-link:hover i{transform:translateX(3px)}

/* 右侧徽章组 */
.side-panel{position:sticky;top:32px;display:flex;flex-direction:column;gap:18px}
.badge-card{
  position:relative;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.badge-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.badge-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad-brand)}
.badge-card .lab{font-size:13px;color:var(--c-sub);letter-spacing:.04em}
.badge-card .big{font-size:32px;font-weight:800;color:var(--c-deep);line-height:1.2;margin-top:6px}
.badge-card .big span{font-size:14px;font-weight:600;color:var(--c-sub);margin-left:4px}
.badge-card p{font-size:13.5px;color:var(--c-sub);margin-top:10px}
.badge-card.dark{
  background:linear-gradient(150deg,#0B3A38,#0E524E 55%,#14706A);
  border-color:transparent;color:#fff;
}
.badge-card.dark::before{background:var(--grad-brand)}
.badge-card.dark .lab{color:rgba(255,255,255,.7)}
.badge-card.dark .big{color:#fff}
.badge-card.dark .big span{color:rgba(255,255,255,.75)}
.badge-card.dark p{color:rgba(255,255,255,.78)}
.mini-list{display:flex;flex-direction:column;gap:10px;margin-top:16px}
.mini-list li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--c-sub)}
.mini-list li i{color:var(--c-amber);margin-top:6px;font-size:11px}
.badge-card.dark .mini-list li{color:rgba(255,255,255,.82)}

/* 流程 */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.flow-step{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:26px 24px;transition:transform .24s var(--ease),box-shadow .24s var(--ease)}
.flow-step:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.flow-step .dotm{
  width:44px;height:44px;border-radius:999px;display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:15px;color:#fff;background:var(--grad-brand);margin-bottom:16px;
}
.flow-step h3{font-size:17px;margin-bottom:8px}
.flow-step p{font-size:14.5px;color:var(--c-sub)}

/* 图文区块 */
.feature{
  display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;
  padding:32px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-xl);box-shadow:var(--sh-1);
}
.feature + .feature{margin-top:26px}
.feature .ph{border-radius:var(--r-lg);overflow:hidden;aspect-ratio:16/11;background:var(--c-panel)}
.feature .ph img{width:100%;height:100%;transition:transform .4s var(--ease)}
.feature:hover .ph img{transform:scale(1.03)}
.feature h3{font-size:22px;margin-bottom:12px}
.feature p{color:var(--c-sub);font-size:15.5px}
.feature ul{margin-top:16px;display:flex;flex-direction:column;gap:9px}
.feature ul li{display:flex;gap:10px;font-size:14.5px;color:var(--c-sub)}
.feature ul li i{color:var(--c-main);margin-top:6px;font-size:11px}
.feature.rev .ph{order:2}

/* FAQ */
.acc .accordion-item{
  border:0;background:#fff;border-radius:var(--r-md);margin-bottom:12px;overflow:hidden;
  box-shadow:var(--sh-1);
}
.acc .accordion-button{
  font-size:17px;font-weight:700;color:var(--c-ink);background:#fff;
  padding:18px 22px;border-radius:var(--r-md);box-shadow:none;gap:14px;
}
.acc .accordion-button:not(.collapsed){background:var(--c-panel);color:var(--c-deep)}
.acc .accordion-button:focus{box-shadow:0 0 0 3px rgba(242,160,61,.4);z-index:2}
.acc .accordion-button::after{
  content:"＋";background-image:none!important;width:32px;height:32px;flex:none;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:999px;background:var(--c-panel);color:var(--c-main);
  font-size:16px;line-height:1;transform:none;transition:background .22s var(--ease),color .22s var(--ease);
}
.acc .accordion-button:not(.collapsed)::after{content:"－";background:var(--c-main);color:#fff;transform:none}
.acc .accordion-body{padding:6px 22px 22px;color:var(--c-sub);font-size:15px;background:#fff}
.acc .accordion-button:not(.collapsed)+.accordion-collapse .accordion-body{background:#fff}

/* CTA 与表单 */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);padding:52px;
  background-image:linear-gradient(118deg,rgba(11,58,56,.95),rgba(23,133,124,.86) 60%,rgba(242,160,61,.8)),url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;color:#fff;
  display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;
}
.cta-band h2{font-size:clamp(24px,2.6vw,32px);color:#fff;margin-bottom:14px}
.cta-band p{color:rgba(255,255,255,.85);font-size:15.5px}
.cta-points{display:flex;flex-direction:column;gap:12px;margin-top:24px}
.cta-points li{display:flex;gap:10px;font-size:14.5px;color:rgba(255,255,255,.88)}
.cta-points li i{color:#FFD9A8;margin-top:6px;font-size:11px}
.form-card{background:#fff;border-radius:var(--r-lg);padding:30px;box-shadow:var(--sh-3);color:var(--c-ink)}
.form-card h3{font-size:19px;margin-bottom:6px}
.form-card .hint{font-size:13.5px;color:var(--c-sub);margin-bottom:20px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-size:13.5px;font-weight:600;color:var(--c-deep)}
.field input,.field select,.field textarea{
  border:1px solid var(--c-line);border-radius:12px;padding:12px 14px;background:#FCFBFA;
  color:var(--c-ink);font-size:14.5px;transition:border-color .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease);
}
.field textarea{resize:vertical;min-height:112px;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-main);background:#fff;box-shadow:0 0 0 3px rgba(30,140,130,.16);
}
.form-card .btn-solid{width:100%;margin-top:20px}
.form-note{font-size:12.5px;color:var(--c-sub);margin-top:12px;text-align:center}

/* 页脚 */
.footer{
  margin-top:88px;background:linear-gradient(180deg,#0B3A38,#0E524E 60%,#0B3A38);
  color:rgba(255,255,255,.82);border-top:4px solid transparent;
  border-image:linear-gradient(118deg,#0E524E,#17857C 48%,#F2A03D) 1;
}
.footer .wrap{padding-top:64px;padding-bottom:28px}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.fbrand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;margin-bottom:16px}
.footer-top p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.7);max-width:360px}
.footer-top h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.footer-top ul{display:flex;flex-direction:column;gap:11px}
.footer-top ul a{color:rgba(255,255,255,.74);font-size:14px}
.footer-top ul a:hover{color:var(--c-amber);text-decoration:none}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* 响应式 */
@media (max-width:1200px){
  .split{grid-template-columns:minmax(0,1fr) 280px;gap:26px}
  .footer-top{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
}
@media (max-width:992px){
  .side-shell{display:none}
  .mobile-bar{display:flex}
  .main{margin-left:0;padding-top:56px}
  .wrap{padding:0 22px}
  .sec{padding:64px 0}
  .split{grid-template-columns:1fr}
  .side-panel{position:static}
  .flow{grid-template-columns:1fr 1fr}
  .stat-grid{grid-template-columns:1fr 1fr;row-gap:24px}
  .cta-band{grid-template-columns:1fr;padding:36px}
  .feature{padding:24px;gap:28px}
  .footer-top{grid-template-columns:1fr 1fr}
  .footer .wrap{padding-top:48px}
  .footer{margin-top:64px}
}
@media (max-width:768px){
  body{font-size:15.5px}
  .sec{padding:48px 0}
  .page-hero{padding:40px 0 52px}
  .stat-bar{margin-top:-28px}
  .num-item{grid-template-columns:64px minmax(0,1fr);gap:16px;padding:22px}
  .num-item .num-link{grid-column:2;justify-self:start}
  .feature{grid-template-columns:1fr}
  .feature.rev .ph{order:0}
  .feature .ph{aspect-ratio:16/10}
  .flow{grid-template-columns:1fr}
  .hero-actions .btn-solid,.hero-actions .btn-line{width:100%}
  .form-grid{grid-template-columns:1fr}
  .acc .accordion-button{font-size:16px;padding:16px 18px}
}
@media (max-width:576px){
  .wrap{padding:0 16px}
  .stat-grid{grid-template-columns:1fr;padding:22px}
  .footer-top{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
  .cta-band{padding:26px 20px}
  .form-card{padding:22px}
  .num-item{grid-template-columns:56px minmax(0,1fr)}
  .num-item .no{font-size:38px}
  .num-item .num-link{grid-column:1/-1}
}

/* roulang page: category4 */
:root{
  --ink-900:#0B3A38;
  --brand:#14706A;
  --brand-2:#1E8C82;
  --amber:#F2A03D;
  --amber-2:#D8862A;
  --panel:#EAF4F2;
  --text:#10201F;
  --text-2:#4A5C5A;
  --line:#E4E1DA;
  --bg:#F7F5F1;
  --card:#FFFFFF;
  --grad:linear-gradient(118deg,#0E524E 0%,#17857C 48%,#F2A03D 118%);
  --r-sm:10px; --r-md:16px; --r-lg:24px; --r-xl:32px; --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,32,31,.06);
  --sh-2:0 10px 30px -12px rgba(11,58,56,.22);
  --sh-3:0 24px 60px -24px rgba(11,58,56,.35);
  --ease:cubic-bezier(.2,.7,.3,1);
  --shell-w:248px;
  --bs-body-font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --bs-body-color:#10201F;
  --bs-primary:#14706A;
  --bs-border-radius:16px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;object-fit:cover}
a{color:var(--brand);text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--amber-2);text-decoration:underline;text-underline-offset:2px}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;letter-spacing:0}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
button,input,textarea{font:inherit}
:focus-visible{outline:3px solid rgba(242,160,61,.45);outline-offset:2px}

/* ---------- 左侧 App Shell ---------- */
.shell{
  position:fixed;inset:0 auto 0 0;width:var(--shell-w);height:100vh;
  background:linear-gradient(180deg,#0B3A38 0%,#0E4E4A 62%,#14706A 100%);
  color:#fff;display:flex;flex-direction:column;z-index:1040;
  overflow-y:auto;
}
.shell-top{height:72px;display:flex;align-items:center;padding:0 20px;flex:0 0 auto}
.logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px}
.logo:hover{color:#fff;text-decoration:none}
.logo-mark{
  width:34px;height:34px;border-radius:12px;display:grid;place-items:center;
  background:var(--grad);color:#fff;font-size:16px;font-weight:800;flex:0 0 auto;
}
.shell-body{padding:6px 12px 18px;flex:1 1 auto}
.side-group{
  font-size:12px;letter-spacing:.1em;color:rgba(255,255,255,.6);
  padding:18px 10px 8px;margin:0;
}
.side-nav{display:flex;flex-direction:column;gap:4px}
.side-link{
  position:relative;display:flex;align-items:center;gap:10px;
  min-height:48px;padding:0 14px;border-radius:12px;
  color:rgba(255,255,255,.86);font-size:15px;font-weight:500;
  transition:background .22s var(--ease),color .22s var(--ease);
}
.side-link i{width:18px;text-align:center;font-size:14px;opacity:.9}
.side-link:hover{background:rgba(255,255,255,.08);color:#fff;text-decoration:none}
.side-link.active{
  background:rgba(242,160,61,.16);color:#fff;font-weight:700;
}
.side-link.active::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;
  border-radius:999px;background:var(--amber);
}
.shell-foot{padding:16px 20px 22px;border-top:1px solid rgba(255,255,255,.12);flex:0 0 auto}
.shell-foot p{margin:10px 0 0;font-size:12.5px;line-height:1.7;color:rgba(255,255,255,.66)}

/* ---------- 按钮 ---------- */
.btn-amber,.btn-ghost,.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);font-weight:700;line-height:1;
  padding:14px 26px;border:1px solid transparent;cursor:pointer;
  transition:transform .22s var(--ease),background .22s var(--ease),box-shadow .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.btn-amber{background:var(--amber);color:#3A2405;box-shadow:var(--sh-1)}
.btn-amber:hover{background:var(--amber-2);color:#2E1C03;text-decoration:none;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-line{background:transparent;border-color:rgba(11,58,56,.28);color:var(--ink-900)}
.btn-line:hover{background:var(--ink-900);border-color:var(--ink-900);color:#fff;text-decoration:none;transform:translateY(-2px)}
.btn-ghost{background:#fff;color:var(--ink-900);border-color:var(--line);box-shadow:var(--sh-1)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);text-decoration:none;transform:translateY(-2px)}
.btn-amber.sm,.btn-ghost.sm{padding:11px 20px;font-size:14px}
.btn-amber.block{width:100%}

/* ---------- 主内容 ---------- */
.main{margin-left:var(--shell-w);min-height:100vh}
.wrap{max-width:1240px;margin:0 auto;padding:0 32px}
.mobile-bar{display:none}

.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--text-2);padding:22px 0 6px;
}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#B9C3C0}
.crumb .now{color:var(--brand);font-weight:700}

/* Hero */
.cat-hero{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  padding:46px 44px;margin:14px 0 0;color:#fff;
  background-image:linear-gradient(118deg,rgba(11,58,56,.94) 0%,rgba(23,133,124,.86) 55%,rgba(242,160,61,.72) 130%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  box-shadow:var(--sh-3);
}
.cat-hero .eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.08em;
  color:rgba(255,255,255,.86);background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.24);border-radius:var(--r-pill);
  padding:6px 14px;margin-bottom:16px;
}
.cat-hero h1{color:#fff;font-size:clamp(30px,4.2vw,48px);line-height:1.18;font-weight:800}
.cat-hero .lead{max-width:720px;margin:14px 0 0;color:rgba(255,255,255,.9);font-size:17px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-chip{
  font-size:13px;padding:7px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);color:#fff;
}

/* 分栏布局 */
.split{
  display:grid;grid-template-columns:236px minmax(0,1fr);gap:48px;
  padding:56px 0 8px;align-items:start;
}
.anchor-card{
  position:sticky;top:24px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:20px;box-shadow:var(--sh-1);
}
.anchor-card h2{font-size:15px;font-weight:700;margin-bottom:12px;color:var(--ink-900)}
.anchor-list{display:flex;flex-direction:column;gap:2px}
.anchor-list a{
  display:flex;gap:10px;align-items:flex-start;
  padding:9px 10px;border-radius:var(--r-sm);font-size:14px;color:var(--text-2);
  transition:background .22s var(--ease),color .22s var(--ease);
}
.anchor-list a:hover,.anchor-list a:focus-visible{background:var(--panel);color:var(--brand);text-decoration:none}
.anchor-list .num{
  font-size:12px;font-weight:800;color:var(--brand-2);letter-spacing:.04em;
  min-width:22px;
}
.anchor-tip{
  margin-top:16px;padding-top:16px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--text-2);line-height:1.7;
}

/* 长文 */
.article-body{min-width:0}
.sec{padding-bottom:44px;margin-bottom:44px;border-bottom:1px solid var(--line)}
.sec:last-of-type{border-bottom:0}
.sec-head{display:flex;align-items:flex-start;gap:14px;margin-bottom:16px}
.sec-badge{
  flex:0 0 auto;width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:var(--grad);color:#fff;font-weight:800;font-size:15px;letter-spacing:.02em;
}
.sec-head h2{font-size:clamp(22px,2.4vw,28px);line-height:1.3;font-weight:700}
.sec-head p{margin:6px 0 0;color:var(--text-2);font-size:14.5px}
.article-body p{font-size:16.5px;line-height:1.9;color:#1B2E2C}
.note{
  background:var(--panel);border-left:3px solid var(--brand-2);
  border-radius:0 var(--r-md) var(--r-md) 0;padding:16px 20px;margin:18px 0;
  font-size:15px;color:#17403D;
}
.note strong{color:var(--ink-900)}
.check{display:grid;gap:10px;margin:16px 0 4px}
.check li{
  display:flex;gap:10px;align-items:flex-start;font-size:15.5px;color:#1B2E2C;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:13px 16px;box-shadow:var(--sh-1);
}
.check i{color:var(--brand-2);margin-top:5px;font-size:13px}
.fig-row{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:18px;margin:22px 0;
}
.fig{
  margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);
}
.fig .ph{aspect-ratio:16/10;overflow:hidden;background:var(--panel)}
.fig .ph img{width:100%;height:100%;transition:transform .26s var(--ease)}
.fig:hover .ph img{transform:scale(1.04)}
.fig figcaption{padding:11px 16px;font-size:13px;color:var(--text-2);text-align:center}

/* 速查卡 */
.quick{padding:8px 0 0}
.quick-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.quick-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px 20px;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.quick-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#CFE3DF}
.quick-card .ic{
  width:44px;height:44px;border-radius:50%;display:grid;place-items:center;
  background:var(--panel);color:var(--brand);font-size:17px;margin-bottom:14px;
  transition:background .22s var(--ease),color .22s var(--ease);
}
.quick-card:hover .ic{background:var(--brand);color:#fff}
.quick-card h3{font-size:17px;margin-bottom:6px}
.quick-card p{margin:0;font-size:14.5px;color:var(--text-2);line-height:1.75}

/* 板块标题区 */
.sec-block{padding:64px 0 0}
.block-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;flex-wrap:wrap}
.block-head .eyebrow{
  display:block;font-size:13px;letter-spacing:.08em;color:var(--brand);font-weight:700;margin-bottom:8px;
}
.block-head h2{font-size:clamp(24px,2.6vw,34px);line-height:1.25;font-weight:700}
.block-head .more{font-size:14px;font-weight:700;color:var(--brand);white-space:nowrap}
.block-head .more:hover{color:var(--amber-2)}

/* FAQ */
.faq{display:grid;gap:12px}
.faq .accordion-item{
  border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  background:#fff;box-shadow:var(--sh-1);
}
.faq .accordion-button{
  background:#fff;color:var(--text);font-size:17px;font-weight:700;
  padding:18px 20px;box-shadow:none;gap:12px;
}
.faq .accordion-button:not(.collapsed){background:var(--panel);color:var(--ink-900)}
.faq .accordion-button:focus{box-shadow:none;outline:3px solid rgba(242,160,61,.45);outline-offset:-3px}
.faq .accordion-button::after{
  content:"+";background-image:none;font-size:20px;font-weight:700;color:var(--brand);
  width:26px;height:26px;line-height:24px;text-align:center;border-radius:50%;
  background:var(--panel);transform:none;transition:transform .22s var(--ease);
}
.faq .accordion-button:not(.collapsed)::after{content:"−";background:#fff;color:var(--amber-2);transform:rotate(180deg)}
.faq .accordion-body{padding:2px 20px 20px;font-size:15.5px;color:#1B2E2C;line-height:1.9}

/* CTA 条 */
.cta-band{
  margin:72px 0 0;border-radius:var(--r-xl);overflow:hidden;position:relative;
  background:var(--grad);color:#fff;padding:44px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  box-shadow:var(--sh-3);
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.4vw,30px);line-height:1.3}
.cta-band p{margin:10px 0 0;color:rgba(255,255,255,.9);font-size:15.5px;max-width:620px}
.cta-band .acts{display:flex;gap:12px;flex-wrap:wrap}
.cta-band .btn-ghost{background:rgba(255,255,255,.96)}

/* 页脚 */
.footer{margin-top:88px;background:var(--ink-900);color:rgba(255,255,255,.78);position:relative}
.footer::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad)}
.footer-top{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;
  padding:58px 32px 36px;max-width:1240px;margin:0 auto;
}
.fbrand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;margin-bottom:14px}
.fbrand .mark{
  width:34px;height:34px;border-radius:12px;display:grid;place-items:center;
  background:var(--grad);color:#fff;font-size:16px;font-weight:800;
}
.footer-top p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.7);margin:0}
.footer h4{color:#fff;font-size:15px;margin-bottom:14px}
.footer ul{display:grid;gap:9px}
.footer ul a{color:rgba(255,255,255,.74);font-size:14px}
.footer ul a:hover{color:var(--amber);text-decoration:none}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:18px 32px 26px;max-width:1240px;margin:0 auto;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.58);
}

/* 抽屉 */
.drawer{background:linear-gradient(180deg,#0B3A38 0%,#0E4E4A 62%,#14706A 100%);color:#fff;width:82vw;max-width:320px}
.drawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.12);padding:14px 18px}
.drawer .offcanvas-body{padding:14px 12px 24px}
.drawer .side-link{color:rgba(255,255,255,.88)}
.drawer .side-link:hover{text-decoration:none}
.drawer .btn-close{filter:invert(1) grayscale(1) brightness(2);opacity:.8}

/* 响应式 */
@media (max-width:1200px){
  .split{grid-template-columns:minmax(0,1fr);gap:0}
  .anchor-card{position:static;margin-bottom:28px}
  .anchor-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}
  .quick-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:991px){
  .shell{display:none}
  .main{margin-left:0;padding-top:56px}
  .mobile-bar{
    display:flex;align-items:center;justify-content:space-between;
    position:fixed;top:0;left:0;right:0;height:56px;z-index:1035;
    background:rgba(255,255,255,.96);backdrop-filter:blur(6px);
    border-bottom:1px solid var(--line);padding:0 16px;
  }
  .mobile-bar .logo-text{color:var(--ink-900)}
  .bar-menu{
    width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
    background:#fff;color:var(--ink-900);display:grid;place-items:center;font-size:17px;
  }
  .cat-hero{padding:34px 26px}
  .wrap{padding:0 20px}
  .footer-top{grid-template-columns:1fr 1fr;padding:48px 20px 30px}
  .footer-bottom{padding:16px 20px 24px}
}
@media (max-width:767px){
  .split{padding:36px 0 0}
  .fig-row{grid-template-columns:minmax(0,1fr)}
  .anchor-list{grid-template-columns:repeat(2,minmax(0,1fr))}
  .quick-grid{grid-template-columns:minmax(0,1fr)}
  .sec{padding-bottom:32px;margin-bottom:32px}
  .sec-block{padding:48px 0 0}
  .cta-band{padding:32px 24px;margin-top:52px}
  .cat-hero{border-radius:var(--r-lg)}
  .btn-amber,.btn-ghost,.btn-line{width:100%}
  .cta-band .acts{width:100%}
  .footer-top{grid-template-columns:1fr;gap:26px}
  .footer{margin-top:60px}
}
@media (max-width:520px){
  .anchor-list{grid-template-columns:minmax(0,1fr)}
  .wrap{padding:0 16px}
  .article-body p{font-size:16px}
}