/* roulang page: index */
:root{
  --c-primary:#0E7C6B;
  --c-primary-l:#12907C;
  --c-primary-d:#0A5F52;
  --c-primary-08:rgba(14,124,107,.08);
  --c-primary-12:rgba(14,124,107,.12);
  --c-accent:#E4724B;
  --c-accent-08:rgba(228,114,75,.10);
  --c-text:#1F2A2E;
  --c-text-2:#5B6B70;
  --c-border:#E2E9E7;
  --c-bg:#F6F9F8;
  --c-card:#FFFFFF;
  --c-dark:#14201F;
  --c-ok:#2E9E6B;
  --c-warn:#D9A31F;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(14,124,107,.06);
  --sh-2:0 8px 24px rgba(14,124,107,.10);
  --sh-3:0 18px 44px rgba(14,124,107,.14);
  --sh-focus:0 0 0 3px rgba(14,124,107,.25);
  --maxw:1200px;
  --tr:200ms cubic-bezier(.33,.8,.4,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;border:0}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:none;box-shadow:var(--sh-focus);border-radius:var(--r-sm)}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
.section{padding:56px 0}
@media(min-width:768px){.section{padding:64px 0}}
@media(min-width:1024px){.section{padding:96px 0}}
.section-head{max-width:760px;margin-bottom:28px}
@media(min-width:768px){.section-head{margin-bottom:40px}}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 14px;border-radius:var(--r-pill);
  background:var(--c-primary-08);color:var(--c-primary);
  font-size:13px;font-weight:700;letter-spacing:.04em;
}
.eyebrow.is-accent{background:var(--c-accent-08);color:#C25B38}
.section-title{font-size:24px;line-height:1.35;font-weight:800;letter-spacing:-.01em;margin-top:14px}
@media(min-width:768px){.section-title{font-size:32px}}
.section-desc{color:var(--c-text-2);font-size:16px;margin-top:14px}

/* ===== 公告条 ===== */
.notice-bar{background:linear-gradient(90deg,#DE6A42 0%,#E4724B 45%,#EFA183 100%);color:#fff;font-size:14px}
.notice-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px 14px;padding:10px 20px;text-align:center}
.notice-tag{display:inline-block;padding:2px 10px;border-radius:var(--r-pill);background:rgba(255,255,255,.22);font-size:12px;font-weight:700;letter-spacing:.06em}
.notice-text{margin:0}
.notice-clock{font-weight:800;font-variant-numeric:tabular-nums}
.notice-link{font-weight:700;border-bottom:1px solid rgba(255,255,255,.55);padding-bottom:1px}
.notice-link:hover{border-bottom-color:#fff}

/* ===== 导航 ===== */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--c-border);transition:box-shadow var(--tr)}
.site-header.is-stuck{box-shadow:var(--sh-2)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;height:70px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:800;letter-spacing:.01em}
.brand-mark{
  width:36px;height:36px;border-radius:11px;flex:0 0 auto;
  background:linear-gradient(140deg,var(--c-primary-l),var(--c-primary-d));
  color:#fff;display:grid;place-items:center;font-size:16px;font-weight:800;
  box-shadow:var(--sh-1);
}
.brand:hover .brand-mark{transform:translateY(-1px)}
.brand-mark{transition:transform var(--tr)}
.nav-list{display:none;align-items:center;gap:6px}
.nav-link{
  position:relative;display:inline-block;padding:8px 14px;border-radius:var(--r-pill);
  font-size:15px;color:var(--c-text-2);transition:color var(--tr),background var(--tr)
}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-08)}
.nav-link.is-active{color:var(--c-primary);font-weight:700}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:1px;height:2px;
  border-radius:2px;background:var(--c-primary)
}
.nav-cta{display:none}
@media(min-width:1024px){
  .nav-list{display:flex}
  .nav-cta{display:inline-flex}
}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-pill);border:1.5px solid transparent;
  font-size:15.5px;font-weight:700;cursor:pointer;
  transition:background var(--tr),color var(--tr),box-shadow var(--tr),transform var(--tr),border-color var(--tr);
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--c-primary-l);box-shadow:var(--sh-2);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-08);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--c-primary-d)}
.btn-light:hover{background:#F1FBF8;transform:translateY(-2px);box-shadow:0 10px 24px rgba(0,0,0,.16)}
.btn-sm{padding:10px 20px;font-size:14.5px}

/* ===== Hero ===== */
.hero{
  position:relative;overflow:hidden;
  padding:44px 0 56px;
  background:
    radial-gradient(880px 420px at 82% -12%, rgba(14,124,107,.11), transparent 62%),
    radial-gradient(620px 320px at 2% 104%, rgba(228,114,75,.08), transparent 62%),
    var(--c-bg);
}
@media(min-width:1024px){.hero{padding:72px 0 88px}}
.hero-grid{display:grid;grid-template-columns:1fr;gap:36px;align-items:center}
@media(min-width:1024px){.hero-grid{grid-template-columns:1.05fr .95fr;gap:56px}}
.hero h1{font-size:30px;line-height:1.32;font-weight:800;letter-spacing:-.015em;margin-top:16px}
@media(min-width:768px){.hero h1{font-size:40px}}
@media(min-width:1280px){.hero h1{font-size:48px}}
.hero-sub{font-size:18px;font-weight:700;color:var(--c-primary-d);margin-top:18px}
@media(min-width:768px){.hero-sub{font-size:20px}}
.hero-desc{color:var(--c-text-2);font-size:16px;margin-top:12px;max-width:56ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-points{display:grid;gap:12px;margin-top:30px}
@media(min-width:640px){.hero-points{grid-template-columns:repeat(2,1fr)}}
.hero-points li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:var(--c-text-2)}
.hero-points svg{width:18px;height:18px;flex:0 0 auto;margin-top:5px;color:var(--c-primary)}
.hero-media{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);background:#DCE9E6}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-badge{
  position:absolute;left:16px;bottom:16px;
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.94);color:var(--c-primary-d);
  font-size:13.5px;font-weight:700;box-shadow:var(--sh-1)
}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--c-ok)}

/* ===== 数据块 ===== */
.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
@media(min-width:768px){.stats-grid{grid-template-columns:repeat(4,1fr);gap:18px}}
.stat{
  background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-md);
  padding:20px;box-shadow:var(--sh-1);transition:box-shadow var(--tr),transform var(--tr)
}
.stat:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.stat b{display:block;font-size:26px;line-height:1.2;font-weight:800;color:var(--c-primary);font-variant-numeric:tabular-nums}
@media(min-width:768px){.stat b{font-size:30px}}
.stat span{display:block;font-size:14px;color:var(--c-text-2);margin-top:6px}

/* ===== 卖点交错行 ===== */
.feature-list{display:grid;gap:16px}
.feature-row{
  display:flex;flex-direction:column;gap:16px;
  background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);
  transition:box-shadow var(--tr),transform var(--tr),border-color var(--tr)
}
.feature-row:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:rgba(14,124,107,.22)}
@media(min-width:768px){
  .feature-row{flex-direction:row;align-items:center;gap:28px;padding:28px 32px}
  .feature-row.is-rev{flex-direction:row-reverse}
}
.feature-icon{
  width:56px;height:56px;flex:0 0 auto;border-radius:18px;
  display:grid;place-items:center;background:var(--c-primary-08);color:var(--c-primary)
}
.feature-icon svg{width:26px;height:26px}
.feature-row.is-accent .feature-icon{background:var(--c-accent-08);color:#C25B38}
.feature-body h3{font-size:19px;font-weight:800;letter-spacing:-.01em}
.feature-body p{color:var(--c-text-2);font-size:15.5px;margin-top:6px}
.feature-row.is-rev .feature-body{text-align:left}
@media(min-width:768px){
  .feature-row.is-rev .feature-body{text-align:right}
}

/* ===== 图墙 ===== */
.gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
@media(min-width:768px){.gallery{grid-template-columns:repeat(4,1fr);grid-auto-rows:170px;gap:18px}}
.g-item{position:relative;overflow:hidden;border-radius:var(--r-md);box-shadow:var(--sh-1);background:#DCE9E6}
.g-item img{width:100%;height:100%;object-fit:cover;transition:transform 420ms ease-out}
.g-item:hover img{transform:scale(1.04)}
@media(max-width:767px){
  .g-item{height:150px}
}
@media(min-width:768px){
  .g-item.tall{grid-row:span 2}
  .g-item.wide{grid-column:span 2}
}
.g-tag{
  position:absolute;left:12px;top:12px;z-index:2;
  padding:4px 12px;border-radius:var(--r-pill);
  background:rgba(228,114,75,.94);color:#fff;font-size:12.5px;font-weight:700
}
.g-tag.is-primary{background:rgba(14,124,107,.94)}
.g-cap{
  position:absolute;left:0;right:0;bottom:0;z-index:2;
  padding:38px 14px 12px;color:#fff;font-size:14px;font-weight:700;
  background:linear-gradient(180deg,rgba(20,32,31,0),rgba(20,32,31,.78))
}

/* ===== 反馈 ===== */
.feedback-grid{display:grid;grid-template-columns:1fr;gap:18px}
@media(min-width:768px){.feedback-grid{grid-template-columns:repeat(3,1fr)}}
.feedback-card{
  background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--sh-1);display:flex;flex-direction:column;gap:14px;
  transition:box-shadow var(--tr),transform var(--tr)
}
.feedback-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.feedback-quote{font-size:16px;line-height:1.8;color:var(--c-text)}
.feedback-who{display:flex;align-items:center;gap:10px;margin-top:auto;padding-top:6px;border-top:1px solid var(--c-border)}
.avatar{
  width:36px;height:36px;border-radius:50%;flex:0 0 auto;
  display:grid;place-items:center;font-size:14px;font-weight:800;
  background:var(--c-primary-12);color:var(--c-primary-d)
}
.feedback-who small{display:block;font-size:13px;color:var(--c-text-2)}
.stars{color:var(--c-warn);font-size:13px;letter-spacing:2px}

/* ===== CTA 区块 ===== */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:linear-gradient(135deg,#0E7C6B 0%,#0A5F52 62%,#0B6A5B 100%);
  color:#fff;padding:44px 26px;text-align:center;box-shadow:var(--sh-2)
}
@media(min-width:768px){.cta-band{padding:60px 48px}}
.cta-band::before,.cta-band::after{
  content:"";position:absolute;border-radius:50%;pointer-events:none;
  background:radial-gradient(circle,rgba(255,255,255,.16),transparent 70%)
}
.cta-band::before{width:320px;height:320px;top:-140px;right:-90px}
.cta-band::after{width:260px;height:260px;bottom:-150px;left:-80px;background:radial-gradient(circle,rgba(228,114,75,.28),transparent 70%)}
.cta-band h2{position:relative;font-size:24px;font-weight:800;letter-spacing:-.01em}
@media(min-width:768px){.cta-band h2{font-size:32px}}
.cta-band p{position:relative;margin-top:14px;color:rgba(255,255,255,.82);font-size:16px}
.cta-actions{position:relative;display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin-top:28px}

/* ===== FAQ ===== */
.faq-list{max-width:900px}
.faq-item{
  background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-md);
  margin-bottom:12px;overflow:hidden;transition:box-shadow var(--tr),border-color var(--tr)
}
.faq-item:hover{border-color:rgba(14,124,107,.24)}
.faq-item[open]{box-shadow:var(--sh-1)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:16.5px;font-weight:700;line-height:1.6
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;font-size:17px;font-weight:700;
  background:var(--c-primary-08);color:var(--c-primary);transition:background var(--tr)
}
.faq-item[open] summary{color:var(--c-primary-d)}
.faq-item[open] summary::after{content:"−";background:var(--c-primary);color:#fff}
.faq-body{padding:0 22px 20px;color:var(--c-text-2);font-size:15.5px}

/* ===== 内容列表 ===== */
.news-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:768px){.news-grid{grid-template-columns:repeat(2,1fr);gap:22px}}
.news-card{
  display:flex;flex-direction:column;background:var(--c-card);
  border:1px solid var(--c-border);border-radius:var(--r-md);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform var(--tr),box-shadow var(--tr)
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.news-thumb{display:block;overflow:hidden;background:#DCE9E6}
.news-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform 420ms ease-out}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--c-text-2)}
.tag{
  display:inline-block;padding:3px 11px;border-radius:var(--r-pill);
  background:var(--c-primary-08);color:var(--c-primary);font-size:12.5px;font-weight:700
}
.news-title{font-size:18px;font-weight:700;line-height:1.5;letter-spacing:-.01em}
.news-title:hover{color:var(--c-primary)}
.news-summary{
  color:var(--c-text-2);font-size:15px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden
}
.news-more{margin-top:auto;padding-top:4px;color:var(--c-primary);font-weight:700;font-size:15px;display:inline-flex;align-items:center;gap:6px}
.news-card:hover .news-more{gap:10px}
.news-more{transition:gap var(--tr)}
.news-empty{
  grid-column:1/-1;display:flex;align-items:center;justify-content:center;gap:10px;
  padding:44px 24px;background:var(--c-card);border:1px dashed var(--c-border);
  border-radius:var(--r-md);color:var(--c-text-2);font-size:15.5px
}
.section-foot{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}

/* ===== 页脚 ===== */
.site-footer{background:var(--c-dark);color:#B9C7C3;margin-top:56px;font-size:14px}
@media(min-width:1024px){.site-footer{margin-top:96px}}
.footer-top{padding:52px 0 40px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:800}
.footer-brand .brand-mark{background:linear-gradient(140deg,#12A08A,#0A5F52)}
.footer-desc{margin-top:14px;line-height:1.85;color:#93A5A1;max-width:34ch}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:14px;letter-spacing:.02em}
.footer-col li+li{margin-top:9px}
.footer-col a{color:#B9C7C3;transition:color var(--tr)}
.footer-col a:hover{color:#4ED0B6}
.footer-contact li{color:#93A5A1;line-height:1.7}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);padding:18px 0;
  display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between;
  font-size:13px;color:#7A8C88
}
.footer-bottom a:hover{color:#4ED0B6}

/* ===== 移动端底部 Tab ===== */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:80;display:flex;
  background:rgba(255,255,255,.97);backdrop-filter:blur(14px);
  border-top:1px solid var(--c-border);
  padding:6px 0 max(6px,env(safe-area-inset-bottom))
}
.tabbar a{
  flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;
  padding:6px 0;font-size:11px;color:var(--c-text-2);transition:color var(--tr)
}
.tabbar svg{width:21px;height:21px}
.tabbar a.is-active{color:var(--c-primary);font-weight:700}
.tabbar a:active{opacity:.72}
@media(max-width:767px){
  body{padding-bottom:68px}
}
@media(min-width:768px){
  .tabbar{display:none}
}

/* 骨架占位（加载态） */
.skeleton{background:linear-gradient(90deg,#EDF3F1 25%,#E2EAE7 37%,#EDF3F1 63%);background-size:400% 100%;animation:sk 1.4s ease infinite;border-radius:var(--r-sm)}
@keyframes sk{0%{background-position:100% 50%}100%{background-position:0 50%}}
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
}

/* roulang page: article */
:root{
  --primary:#0E7C6B;
  --primary-600:#0a6355;
  --primary-100:rgba(14,124,107,.10);
  --primary-50:rgba(14,124,107,.05);
  --accent:#E4724B;
  --accent-100:rgba(228,114,75,.12);
  --ink:#1F2A2E;
  --ink-soft:#2C3A3F;
  --muted:#5B6B70;
  --line:#E2E9E7;
  --bg:#F6F9F8;
  --surface:#FFFFFF;
  --ok:#2E9E6B;
  --warn:#D9A31F;
  --err:#C4483C;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(14,124,107,.06);
  --sh-2:0 8px 24px rgba(14,124,107,.10);
  --sh-focus:0 0 0 3px rgba(14,124,107,.25);
  --s1:4px; --s2:8px; --s3:12px; --s4:16px; --s5:24px;
  --s6:32px; --s7:48px; --s8:64px; --s9:96px;
  --ease:200ms cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--primary);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--primary-600);}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;color:var(--ink);}
p{margin:0 0 1.1em;}
ul,ol{padding-left:1.3em;}
button,input,textarea,select{font:inherit;color:inherit;}
:focus-visible{outline:none;box-shadow:var(--sh-focus);border-radius:var(--r-sm);}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease);
}
.site-header:hover{box-shadow:var(--sh-2);}
.nav-wrap{display:flex;align-items:center;gap:var(--s5);height:70px;}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:18px;font-weight:800;color:var(--ink);letter-spacing:.2px;
  flex:0 0 auto;
}
.brand:hover{color:var(--primary);}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--primary),#149C86);
  color:#fff;font-size:17px;font-weight:800;letter-spacing:0;
  box-shadow:0 4px 12px rgba(14,124,107,.28);
}
.nav-list{display:flex;align-items:center;gap:var(--s5);margin-left:var(--s4);flex:1 1 auto;}
.nav-link{
  position:relative;
  display:inline-block;
  padding:6px 2px;
  font-size:15.5px;
  font-weight:600;
  color:var(--muted);
  white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;
  border-radius:2px;background:var(--primary);transform:scaleX(0);
  transform-origin:left;transition:transform var(--ease);
}
.nav-link:hover{color:var(--primary);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--primary);font-weight:800;}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-cta{flex:0 0 auto;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-pill);
  font-size:15.5px;font-weight:700;line-height:1;
  border:1.5px solid transparent;cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
}
.btn-sm{padding:10px 20px;font-size:14.5px;}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 16px rgba(14,124,107,.20);}
.btn-primary:hover{background:#13917C;color:#fff;box-shadow:var(--sh-2);transform:translateY(-2px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--primary);border-color:var(--primary);}
.btn-ghost:hover{background:var(--primary-100);color:var(--primary-600);transform:translateY(-2px);}
.btn-light{background:#fff;color:var(--primary);border-color:#fff;}
.btn-light:hover{background:transparent;color:#fff;border-color:#fff;}

/* ============ 文章头部 ============ */
.article-hero{
  background:
    linear-gradient(180deg,rgba(14,124,107,.09) 0%,rgba(246,249,248,.6) 62%,var(--bg) 100%),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding:var(--s6) 0 var(--s7);
  border-bottom:1px solid var(--line);
}
.crumbs{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13.5px;color:var(--muted);margin-bottom:var(--s5);
}
.crumbs a{color:var(--muted);font-weight:600;}
.crumbs a:hover{color:var(--primary);}
.crumbs .sep{opacity:.5;}
.crumbs .current{
  max-width:46ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  color:var(--ink-soft);font-weight:600;
}
.article-head{max-width:860px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:var(--r-pill);
  background:var(--primary-100);color:var(--primary);
  font-size:13px;font-weight:700;letter-spacing:.2px;
}
.badge-accent{background:var(--accent-100);color:var(--accent);}
.article-hero h1{
  margin:var(--s4) 0 var(--s4);
  font-size:42px;
  line-height:1.3;
  letter-spacing:-.3px;
}
.article-meta{
  display:flex;align-items:center;gap:var(--s4);flex-wrap:wrap;
  font-size:14px;color:var(--muted);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#C7D4D1;}

/* ============ 正文 ============ */
.article-main{padding:var(--s7) 0 var(--s8);}
.article-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:var(--s7) var(--s8);
  min-height:60vh;
}
.article-body{max-width:800px;margin:0 auto;font-size:17px;line-height:1.9;color:var(--ink-soft);}
.article-body > *:first-child{margin-top:0;}
.article-body h2{
  position:relative;
  margin:var(--s7) 0 var(--s4);
  padding-left:16px;
  font-size:27px;
  line-height:1.4;
  color:var(--ink);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;
  border-radius:3px;background:var(--primary);
}
.article-body h3{margin:var(--s6) 0 var(--s3);font-size:21px;color:var(--ink);}
.article-body h4{margin:var(--s5) 0 var(--s2);font-size:18px;color:var(--ink);}
.article-body p{margin:0 0 1.2em;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.4em;}
.article-body li{margin-bottom:.55em;}
.article-body img{border-radius:var(--r-md);margin:var(--s5) 0;box-shadow:var(--sh-1);}
.article-body blockquote{
  margin:var(--s5) 0;padding:16px 22px;
  background:var(--primary-50);
  border-left:3px solid var(--primary);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:#255350;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body a{font-weight:600;text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(14,124,107,.35);}
.article-body table{
  width:100%;border-collapse:collapse;margin:var(--s5) 0;
  font-size:15.5px;border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden;
}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left;}
.article-body thead th{background:#EAF4F1;color:var(--ink);font-weight:700;}
.article-body tbody tr:nth-child(even){background:#FAFCFB;}
.article-body code{
  background:var(--primary-50);color:var(--primary-600);
  padding:2px 6px;border-radius:6px;font-size:.92em;
}
.article-body hr{border:none;border-top:1px solid var(--line);margin:var(--s6) 0;}

/* 空态 */
.empty-state{
  max-width:800px;margin:0 auto;text-align:center;
  padding:var(--s8) var(--s5);
  background:var(--primary-50);
  border:1px dashed #C7DCDC;
  border-radius:var(--r-lg);
}
.empty-state .empty-ico{
  width:56px;height:56px;margin:0 auto var(--s4);
  border-radius:50%;background:var(--primary-100);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:26px;font-weight:800;
}
.empty-state h2{font-size:22px;margin-bottom:var(--s2);}
.empty-state p{color:var(--muted);font-size:15.5px;margin-bottom:var(--s5);}

/* ============ 延伸入口 ============ */
.more-section{padding:0 0 var(--s8);}
.section-head{max-width:800px;margin:0 auto var(--s6);}
.section-head .eyebrow{
  display:inline-block;font-size:13px;font-weight:800;letter-spacing:1.4px;
  color:var(--accent);text-transform:uppercase;margin-bottom:10px;
}
.section-head h2{font-size:28px;margin-bottom:10px;}
.section-head p{color:var(--muted);font-size:15.5px;margin:0;}
.more-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:var(--s5);
}
.more-card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);box-shadow:var(--sh-1);overflow:hidden;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.more-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#CFE2DE;}
.more-card .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:#EAF4F1;}
.more-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 420ms ease-out;}
.more-card:hover .thumb img{transform:scale(1.04);}
.more-card .thumb .tag{
  position:absolute;left:12px;bottom:12px;
  padding:4px 12px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.92);color:var(--primary);
  font-size:12.5px;font-weight:700;
}
.more-card .body{padding:var(--s5);display:flex;flex-direction:column;gap:8px;flex:1;}
.more-card h3{font-size:17.5px;line-height:1.5;}
.more-card p{font-size:14.5px;color:var(--muted);margin:0;flex:1;}
.more-card .go{font-size:14px;font-weight:700;color:var(--primary);}
.more-card:hover .go{color:var(--primary-600);}

/* ============ 页脚 ============ */
.site-footer{background:#14201F;color:#C9D6D3;font-size:14.5px;margin-top:var(--s8);}
.footer-top{padding:var(--s8) 20px var(--s7);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:var(--s6);}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  font-size:17px;font-weight:800;color:#fff;margin-bottom:var(--s4);
}
.footer-brand .brand-mark{box-shadow:none;}
.footer-desc{color:#93A5A2;line-height:1.85;margin:0;max-width:36ch;}
.footer-col h4{
  font-size:14px;font-weight:800;color:#fff;letter-spacing:.6px;
  margin-bottom:var(--s4);
}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px;}
.footer-col li{color:#93A5A2;line-height:1.75;}
.footer-col a{color:#93A5A2;font-weight:600;}
.footer-col a:hover{color:#4FD0B6;}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:var(--s4);flex-wrap:wrap;
  padding:var(--s5) 20px;border-top:1px solid rgba(255,255,255,.09);
  color:#7E908D;font-size:13.5px;
}

/* ============ 移动端底部 Tab ============ */
.mobile-tabbar{
  display:none;
  position:fixed;left:0;right:0;bottom:0;z-index:120;
  background:rgba(255,255,255,.97);
  backdrop-filter:blur(10px);
  border-top:1px solid var(--line);
  padding:6px 4px calc(6px + env(safe-area-inset-bottom));
  box-shadow:0 -6px 20px rgba(14,124,107,.08);
}
.tab-item{
  flex:1 1 0;display:flex;flex-direction:column;align-items:center;gap:3px;
  padding:6px 2px;border-radius:var(--r-sm);
  font-size:11px;font-weight:700;color:#8A9997;
}
.tab-item svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.tab-item.is-active{color:var(--primary);}
.tab-item.is-active svg{stroke:var(--primary);}
.tab-item:hover{color:var(--primary);}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .article-hero h1{font-size:34px;}
  .article-card{padding:var(--s6) var(--s6);}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:var(--s5);}
  .more-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:940px){
  .nav-list,.nav-cta{display:none;}
  .nav-wrap{height:62px;justify-content:space-between;}
  .mobile-tabbar{display:flex;}
  body{padding-bottom:74px;}
  .site-footer{margin-bottom:0;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 16px;}
  .article-hero{padding:var(--s5) 0 var(--s6);}
  .article-hero h1{font-size:26px;line-height:1.35;}
  .crumbs .current{max-width:22ch;}
  .article-main{padding:var(--s5) 0 var(--s6);}
  .article-card{padding:var(--s5) var(--s4);border-radius:var(--r-md);}
  .article-body{font-size:16px;line-height:1.9;}
  .article-body h2{font-size:21px;}
  .article-body h3{font-size:18px;}
  .article-body table{font-size:14px;}
  .article-body th,.article-body td{padding:9px 10px;}
  .section-head h2{font-size:22px;}
  .more-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:var(--s6);}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .btn{width:auto;}
}
@media (max-width:520px){
  .article-hero h1{font-size:23px;}
  .brand{font-size:16.5px;}
  .brand-mark{width:30px;height:30px;border-radius:9px;font-size:15px;}
  .article-meta{gap:10px;font-size:13px;}
}

/* roulang page: category1 */
:root{
  --c-primary:#0E7C6B;
  --c-primary-dark:#0A5E51;
  --c-primary-soft:#E6F3F0;
  --c-accent:#E4724B;
  --c-accent-soft:#FDF0EB;
  --c-text:#1F2A2E;
  --c-text-2:#5B6B70;
  --c-border:#E2E9E7;
  --c-bg:#F6F9F8;
  --c-card:#FFFFFF;
  --c-footer:#14201F;
  --c-success:#2E9E6B;
  --c-warn:#D9A31F;

  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --r-pill:999px;

  --sh-1:0 1px 2px rgba(14,124,107,.06);
  --sh-2:0 8px 24px rgba(14,124,107,.10);
  --sh-focus:0 0 0 3px rgba(14,124,107,.25);

  --sp-1:4px;
  --sp-2:8px;
  --sp-3:12px;
  --sp-4:16px;
  --sp-5:24px;
  --sp-6:32px;
  --sp-7:48px;
  --sp-8:64px;
  --sp-9:96px;

  --maxw:1200px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:17px;
  line-height:1.85;
  letter-spacing:.01em;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease-out,background-color .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out,transform .2s ease-out;}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible{outline:none;box-shadow:var(--sh-focus);border-radius:var(--r-sm);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
input,textarea{font-family:inherit;font-size:15px;}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px;}

/* ------- 顶部导航 ------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--c-border);
  transition:box-shadow .2s ease-out,background-color .2s ease-out;
}
.site-header.is-scrolled{box-shadow:var(--sh-2);}
.nav-wrap{display:flex;align-items:center;gap:var(--sp-6);min-height:70px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:var(--c-text);letter-spacing:.02em;}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:11px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-primary);color:#fff;font-size:16px;font-weight:700;
  box-shadow:var(--sh-1);
}
.nav-list{display:flex;align-items:center;gap:var(--sp-5);margin-left:var(--sp-4);}
.nav-link{
  position:relative;padding:6px 2px;font-size:15px;color:var(--c-text-2);
  border-radius:var(--r-sm);
}
.nav-link:hover{color:var(--c-primary);}
.nav-link.is-active{color:var(--c-text);font-weight:600;}
.nav-link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;
  border-radius:2px;background:var(--c-primary);
}
.nav-cta{margin-left:auto;}

/* ------- 按钮 ------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:#128B78;box-shadow:var(--sh-2);transform:translateY(-2px);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{
  background:transparent;color:var(--c-primary);
  border:1.5px solid var(--c-primary);
}
.btn-outline:hover{background:rgba(14,124,107,.08);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-light{background:#fff;color:var(--c-primary);}
.btn-light:hover{background:var(--c-primary);color:#fff;box-shadow:var(--sh-2);}
.btn[disabled]{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none;}

/* ------- 分类 Banner ------- */
.page-hero{
  position:relative;overflow:hidden;
  background:
    linear-gradient(180deg,rgba(230,243,240,.96) 0%,rgba(246,249,248,.98) 100%);
  border-bottom:1px solid var(--c-border);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center right;
  opacity:.16;
}
.page-hero::after{
  content:"";position:absolute;right:-120px;top:-120px;width:340px;height:340px;
  border-radius:50%;background:rgba(14,124,107,.08);
}
.page-hero-inner{position:relative;z-index:2;padding:var(--sp-8) 0 var(--sp-7);}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-text-2);margin-bottom:var(--sp-5);}
.crumb a:hover{color:var(--c-primary);}
.crumb .sep{color:#A9B7B4;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;
  background:rgba(14,124,107,.10);color:var(--c-primary);
}
.tag-accent{background:var(--c-accent-soft);color:var(--c-accent);}
.page-hero h1{
  font-size:40px;line-height:1.3;font-weight:800;letter-spacing:-.01em;
  margin:var(--sp-4) 0 var(--sp-4);max-width:820px;
}
.page-hero .lead{
  font-size:17px;color:var(--c-text-2);max-width:660px;
}
.hero-meta{display:flex;flex-wrap:wrap;gap:var(--sp-3);margin-top:var(--sp-5);}

/* ------- 主体两栏 ------- */
.section{padding:var(--sp-9) 0;}
.layout{display:grid;grid-template-columns:280px minmax(0,1fr);gap:var(--sp-8);align-items:start;}

.aside{position:sticky;top:96px;display:grid;gap:var(--sp-5);}
.side-card{
  background:var(--c-card);border:1px solid var(--c-border);
  border-radius:var(--r-lg);padding:var(--sp-5);
  box-shadow:var(--sh-1);
}
.side-title{
  font-size:15px;font-weight:700;color:var(--c-text);
  margin-bottom:var(--sp-4);display:flex;align-items:center;gap:8px;
}
.side-title::before{content:"";width:3px;height:15px;border-radius:2px;background:var(--c-primary);}
.side-nav{display:grid;gap:6px;}
.side-nav a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 12px;border-radius:var(--r-sm);
  font-size:14px;color:var(--c-text-2);background:#FAFCFB;
}
.side-nav a:hover{color:var(--c-primary);background:var(--c-primary-soft);}
.side-nav a.is-active{
  background:var(--c-primary-soft);color:var(--c-primary);font-weight:600;
  box-shadow:inset 3px 0 0 var(--c-primary);
}
.side-nav a .arrow{font-size:13px;opacity:.6;}
.side-contact p{font-size:14px;color:var(--c-text-2);}
.side-contact .line{
  display:flex;justify-content:space-between;gap:10px;
  font-size:14px;padding:9px 0;border-bottom:1px dashed var(--c-border);
}
.side-contact .line:last-of-type{border-bottom:none;}
.side-contact .line strong{color:var(--c-text);font-weight:600;}
.side-contact .btn{width:100%;margin-top:var(--sp-4);}

/* ------- 内容块 ------- */
.content{display:grid;gap:var(--sp-8);min-width:0;}
.block{
  background:var(--c-card);border:1px solid var(--c-border);
  border-radius:var(--r-lg);padding:var(--sp-6);
  box-shadow:var(--sh-1);
}
.block h2{
  font-size:26px;line-height:1.35;font-weight:700;margin-bottom:var(--sp-4);
  display:flex;align-items:flex-start;gap:12px;
}
.block h2::before{
  content:"";flex:0 0 4px;width:4px;height:24px;border-radius:2px;
  background:var(--c-primary);margin-top:5px;
}
.block h3{font-size:19px;font-weight:700;margin:var(--sp-6) 0 var(--sp-3);}
.block p{color:var(--c-text-2);font-size:16.5px;line-height:1.9;}
.block p + p{margin-top:var(--sp-4);}
.block strong{color:var(--c-text);font-weight:600;}

.figure{
  margin-top:var(--sp-5);border-radius:var(--r-md);overflow:hidden;
  box-shadow:var(--sh-1);background:#EEF4F2;
}
.figure img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.figure figcaption{font-size:13px;color:var(--c-text-2);padding:10px 14px;background:#FAFCFB;}

.facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--sp-4);margin-top:var(--sp-5);}
.fact{
  background:var(--c-primary-soft);border-radius:var(--r-md);
  padding:var(--sp-4);text-align:left;
}
.fact .num{font-size:24px;font-weight:800;color:var(--c-primary);line-height:1.2;}
.fact .cap{font-size:13px;color:var(--c-text-2);margin-top:4px;}

/* 步骤 */
.steps{display:grid;gap:var(--sp-4);margin-top:var(--sp-5);}
.step{
  display:grid;grid-template-columns:52px minmax(0,1fr);gap:var(--sp-4);
  padding:var(--sp-5);border:1px solid var(--c-border);border-radius:var(--r-md);
  background:#FCFEFD;transition:box-shadow .2s ease-out,transform .2s ease-out,border-color .2s ease-out;
}
.step:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:#CFE3DE;}
.step-no{
  width:44px;height:44px;border-radius:14px;background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:800;
}
.step h3{margin:0 0 6px;font-size:17px;}
.step p{font-size:15px;}

/* 适用场景 */
.scenario-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--sp-5);margin-top:var(--sp-5);}
.scenario{
  border:1px solid var(--c-border);border-radius:var(--r-md);overflow:hidden;
  background:#fff;transition:box-shadow .2s ease-out,transform .2s ease-out;
}
.scenario:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.scenario img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.scenario-body{padding:var(--sp-4) var(--sp-5) var(--sp-5);}
.scenario-body h3{margin:0 0 6px;font-size:17px;}
.scenario-body p{font-size:14.5px;}

/* 清单 */
.checklist{display:grid;gap:var(--sp-3);margin-top:var(--sp-5);}
.checklist li{
  display:grid;grid-template-columns:24px minmax(0,1fr);gap:12px;
  background:#FAFCFB;border:1px solid var(--c-border);border-radius:var(--r-sm);
  padding:12px 14px;font-size:15px;color:var(--c-text-2);
}
.checklist .dot{
  width:20px;height:20px;margin-top:5px;border-radius:50%;
  background:rgba(14,124,107,.12);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;
}

/* FAQ */
.faq{display:grid;gap:var(--sp-3);margin-top:var(--sp-5);}
.faq details{
  border:1px solid var(--c-border);border-radius:var(--r-md);
  background:#fff;overflow:hidden;transition:box-shadow .2s ease-out;
}
.faq details[open]{box-shadow:var(--sh-1);}
.faq summary{
  list-style:none;cursor:pointer;padding:16px 20px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16px;font-weight:600;color:var(--c-text);
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary .sign{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;
  background:var(--c-primary-soft);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;line-height:1;
}
.faq details[open] summary .sign{background:var(--c-primary);color:#fff;}
.faq .answer{padding:0 20px 18px;font-size:15px;color:var(--c-text-2);border-top:1px solid var(--c-border);margin-top:-1px;padding-top:14px;}

/* CTA 条 */
.cta-band{
  border:1.5px solid var(--c-primary);border-radius:var(--r-lg);
  background:linear-gradient(180deg,#FFFFFF 0%,#F4FAF8 100%);
  padding:var(--sp-7) var(--sp-6);text-align:center;
}
.cta-band h2{justify-content:center;font-size:24px;}
.cta-band h2::before{display:none;}
.cta-band p{max-width:620px;margin:var(--sp-3) auto var(--sp-6);}
.cta-actions{display:flex;flex-wrap:wrap;gap:var(--sp-3);justify-content:center;}

/* ------- 页脚 ------- */
.site-footer{background:var(--c-footer);color:#C7D3D0;margin-top:var(--sp-9);}
.footer-top{padding:var(--sp-8) 0 var(--sp-7);}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:var(--sp-6);}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;margin-bottom:var(--sp-4);}
.footer-brand .brand-mark{background:var(--c-primary);}
.footer-desc{font-size:14px;line-height:1.85;color:#9FB1AE;max-width:320px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:var(--sp-4);font-weight:700;}
.footer-col ul{display:grid;gap:10px;}
.footer-col li,.footer-col a{font-size:14px;color:#9FB1AE;line-height:1.8;}
.footer-col a:hover{color:#6FD3BE;}
.footer-contact li{color:#9FB1AE;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.09);
  padding:var(--sp-5) 0;
  display:flex;flex-wrap:wrap;gap:var(--sp-3);justify-content:space-between;
  font-size:13px;color:#8A9A97;
}

/* ------- 移动底部 Tab ------- */
.mobile-tab{display:none;}

/* ------- 响应式 ------- */
@media (max-width:1279px){
  .layout{grid-template-columns:250px minmax(0,1fr);gap:var(--sp-7);}
  .page-hero h1{font-size:36px;}
}
@media (max-width:1023px){
  .section{padding:var(--sp-8) 0;}
  .layout{grid-template-columns:minmax(0,1fr);gap:var(--sp-6);}
  .aside{position:static;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--sp-5);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:var(--sp-6);}
  .page-hero-inner{padding:var(--sp-7) 0 var(--sp-6);}
}
@media (max-width:767px){
  body{font-size:16px;padding-bottom:calc(72px + env(safe-area-inset-bottom));}
  .nav-list{display:none;}
  .nav-cta{display:none;}
  .nav-wrap{min-height:62px;justify-content:space-between;}
  .page-hero h1{font-size:28px;}
  .page-hero .lead{font-size:15.5px;}
  .section{padding:var(--sp-7) 0;}
  .aside{grid-template-columns:minmax(0,1fr);}
  .block{padding:var(--sp-5);border-radius:var(--r-md);}
  .block h2{font-size:21px;}
  .facts{grid-template-columns:repeat(2,minmax(0,1fr));}
  .scenario-grid{grid-template-columns:minmax(0,1fr);}
  .step{grid-template-columns:44px minmax(0,1fr);padding:var(--sp-4);}
  .step-no{width:38px;height:38px;border-radius:12px;font-size:15px;}
  .cta-band{padding:var(--sp-6) var(--sp-5);}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .site-footer{margin-top:var(--sp-7);padding-bottom:var(--sp-5);}

  .mobile-tab{
    display:grid;grid-template-columns:repeat(3,1fr);
    position:fixed;left:0;right:0;bottom:0;z-index:80;
    background:rgba(255,255,255,.97);
    backdrop-filter:saturate(180%) blur(10px);
    border-top:1px solid var(--c-border);
    padding:8px 0 calc(8px + env(safe-area-inset-bottom));
    box-shadow:0 -6px 20px rgba(14,124,107,.08);
  }
  .tab-item{
    display:flex;flex-direction:column;align-items:center;gap:3px;
    font-size:10.5px;color:#8394A0;padding:4px 0;border-radius:var(--r-sm);
  }
  .tab-item svg{width:22px;height:22px;stroke:#8394A0;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
  .tab-item.is-active{color:var(--c-primary);font-weight:600;}
  .tab-item.is-active svg{stroke:var(--c-primary);}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .page-hero h1{font-size:25px;}
  .facts{grid-template-columns:minmax(0,1fr);}
  .brand{font-size:17px;}
}

/* roulang page: category2 */
:root{
  --primary:#0E7C6B;
  --primary-600:#0B6A5B;
  --primary-050:#E8F4F1;
  --accent:#E4724B;
  --accent-050:#FDEEE9;
  --ink:#1F2A2E;
  --ink-2:#5B6B70;
  --ink-3:#8A999E;
  --line:#E2E9E7;
  --bg:#F6F9F8;
  --card:#FFFFFF;
  --dark:#14201F;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(14,124,107,.06);
  --sh-2:0 8px 24px rgba(14,124,107,.10);
  --sh-focus:0 0 0 3px rgba(14,124,107,.25);
  --ease:200ms ease-out;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--primary);text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease)}
a:hover{color:var(--primary-600)}
h1,h2,h3,h4{margin:0;line-height:1.32;font-weight:700;letter-spacing:.2px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button,input{font:inherit}
::selection{background:rgba(14,124,107,.18)}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:none;box-shadow:var(--sh-focus);border-radius:var(--r-sm)}

.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:26px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:var(--ink);letter-spacing:.2px;flex:0 0 auto}
.brand:hover{color:var(--primary)}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,#0E7C6B,#13A188);
  color:#fff;font-size:17px;font-weight:800;letter-spacing:0;
}
.nav-list{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{position:relative;padding:8px 12px;border-radius:var(--r-sm);font-size:15px;color:var(--ink-2);white-space:nowrap}
.nav-link:hover{color:var(--primary);background:var(--primary-050)}
.nav-link.is-active{color:var(--primary);font-weight:700}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:-1px;height:2px;
  background:var(--primary);border-radius:2px;
}
.nav-cta{margin-left:6px;flex:0 0 auto}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1.2;
  border:1.5px solid transparent;cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background-color var(--ease),color var(--ease),border-color var(--ease);
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:#128B78;color:#fff;box-shadow:var(--sh-2);transform:translateY(-1px)}
.btn-outline{background:transparent;border-color:var(--primary);color:var(--primary)}
.btn-outline:hover{background:rgba(14,124,107,.08);color:var(--primary-600)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn[disabled],.btn.is-disabled{background:#CFDAD7;border-color:#CFDAD7;color:#fff;cursor:not-allowed;box-shadow:none}

/* ---------- 分类 Banner ---------- */
.cat-banner{position:relative;overflow:hidden;background:#0B6A5B;color:#fff;padding:76px 0 68px}
.cat-banner::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
  opacity:.32;
}
.cat-banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(112deg,rgba(11,106,91,.95) 0%,rgba(14,124,107,.82) 48%,rgba(20,32,31,.78) 100%);
}
.cat-banner .container{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.78);margin-bottom:20px;flex-wrap:wrap}
.crumb a{color:rgba(255,255,255,.92)}
.crumb a:hover{color:#fff;text-decoration:underline}
.crumb .sep{opacity:.55}
.cat-banner h1{font-size:clamp(30px,4.6vw,46px);letter-spacing:.4px;max-width:820px}
.banner-sub{margin-top:16px;max-width:600px;font-size:17px;color:rgba(255,255,255,.9);line-height:1.8}
.banner-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.banner-tags .tag{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.26)}

/* ---------- 标签 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;line-height:1.4;
  background:var(--primary-050);color:var(--primary);
}
.tag-accent{background:var(--accent-050);color:#C25A34}

/* ---------- 横向要点条 ---------- */
.keybar{background:#fff;border-bottom:1px solid var(--line)}
.keybar-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.key-item{padding:30px 26px;border-right:1px solid var(--line)}
.key-item:last-child{border-right:0}
.key-num{display:block;font-size:12.5px;font-weight:800;letter-spacing:.16em;color:var(--accent)}
.key-item h3{font-size:16.5px;margin:10px 0 8px}
.key-item p{font-size:14.5px;line-height:1.75;color:var(--ink-2)}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section--white{background:#fff}
.section-head{max-width:720px;margin-bottom:48px}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--primary);margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--accent)}
.section-head h2{font-size:clamp(24px,3vw,32px)}
.section-head p{margin-top:14px;font-size:16.5px;color:var(--ink-2);line-height:1.85}

/* ---------- 两列图文交替 ---------- */
.alt-row{display:grid;grid-template-columns:1.02fr 1fr;gap:56px;align-items:center;margin-bottom:72px}
.alt-row:last-child{margin-bottom:0}
.alt-row.is-reverse .alt-media{order:2}
.alt-row.is-reverse .alt-text{order:1}
.alt-media{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);background:#fff}
.alt-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform 480ms ease-out}
.alt-media:hover img{transform:scale(1.03)}
.alt-media .media-tag{position:absolute;left:16px;bottom:16px}
.alt-text h3{font-size:22px;margin-bottom:14px}
.alt-text p{font-size:16px;color:var(--ink-2);line-height:1.9}
.alt-text ul{margin-top:20px;display:flex;flex-direction:column;gap:10px}
.alt-text li{position:relative;padding-left:24px;font-size:15px;color:var(--ink-2)}
.alt-text li::before{
  content:"";position:absolute;left:0;top:11px;
  width:8px;height:8px;border-radius:50%;
  background:var(--primary-050);border:2px solid var(--primary);
}

/* ---------- 处理路径列表 ---------- */
.path-list{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.path-item{
  display:flex;gap:16px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--sh-1);
  transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);
}
.path-item:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:#D3E3DF}
.path-num{
  flex:0 0 auto;width:38px;height:38px;border-radius:11px;
  background:var(--primary-050);color:var(--primary);
  font-size:14px;font-weight:800;
  display:flex;align-items:center;justify-content:center;
}
.path-item h3{font-size:16px;margin-bottom:8px}
.path-item p{font-size:14.5px;line-height:1.78;color:var(--ink-2)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:12px;overflow:hidden;transition:box-shadow var(--ease),border-color var(--ease);
}
.faq-item[open]{box-shadow:var(--sh-2);border-color:#D3E3DF}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;font-size:16.5px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:0 0 auto;font-size:22px;line-height:1;color:var(--primary);font-weight:400;
  transition:transform var(--ease);
}
.faq-item[open] summary::after{content:"−"}
.faq-item summary:hover{color:var(--primary)}
.faq-body{padding:0 24px 22px;font-size:15.5px;line-height:1.85;color:var(--ink-2)}

/* ---------- CTA ---------- */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  background:var(--primary-050);
  border:1px solid rgba(14,124,107,.2);
  border-radius:var(--r-lg);
  padding:48px 52px;
}
.cta-band h2{font-size:clamp(22px,2.6vw,28px);color:var(--ink)}
.cta-band p{margin-top:12px;max-width:620px;font-size:16px;color:var(--ink-2);line-height:1.85}
.cta-band .btn{flex:0 0 auto}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#C6D3D0;font-size:14.5px;margin-top:0}
.footer-top{padding:72px 24px 48px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-brand .brand-mark{background:linear-gradient(135deg,#12A188,#0E7C6B)}
.footer-desc{line-height:1.85;color:#9FB2AE;max-width:340px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{color:#C6D3D0}
.footer-col a:hover{color:#5FD0B8}
.footer-contact li{line-height:1.8;color:#9FB2AE}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 24px 26px;border-top:1px solid rgba(255,255,255,.09);
  font-size:13.5px;color:#8A9C98;
}

/* ---------- 移动端底部 Tab ---------- */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:60;
  display:none;
  background:rgba(255,255,255,.97);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-top:1px solid var(--line);
  padding:6px 6px calc(6px + env(safe-area-inset-bottom));
}
.tabbar a{
  flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;
  padding:7px 2px;border-radius:12px;
  font-size:11px;line-height:1.3;color:var(--ink-3);text-align:center;
}
.tabbar a.is-active{color:var(--primary);font-weight:700}
.tabbar svg{width:21px;height:21px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-wrap{height:64px;gap:12px}
  .nav-link{font-size:14px;padding:8px 9px}
  .nav-link.is-active::after{left:9px;right:9px}
  .section{padding:64px 0}
  .cat-banner{padding:60px 0 56px}
  .keybar-grid{grid-template-columns:repeat(2,1fr)}
  .key-item{border-bottom:1px solid var(--line)}
  .key-item:nth-child(2n){border-right:0}
  .key-item:nth-last-child(-n+2){border-bottom:0}
  .alt-row{grid-template-columns:1fr;gap:26px;margin-bottom:52px}
  .alt-row.is-reverse .alt-media,
  .alt-row.is-reverse .alt-text{order:0}
  .cta-band{padding:36px 32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  body{font-size:16px;padding-bottom:74px}
  .container{padding:0 20px}
  .nav-list,.nav-cta{display:none}
  .section{padding:48px 0}
  .cat-banner{padding:44px 0 42px}
  .banner-sub{font-size:15.5px}
  .keybar-grid{grid-template-columns:1fr}
  .key-item{border-right:0;border-bottom:1px solid var(--line);padding:22px 20px}
  .key-item:nth-last-child(-n+2){border-bottom:1px solid var(--line)}
  .key-item:last-child{border-bottom:0}
  .path-list{grid-template-columns:1fr}
  .cta-band{padding:28px 22px;flex-direction:column;align-items:flex-start}
  .cta-band .btn{width:100%}
  .faq-item summary{padding:17px 18px;font-size:15.5px}
  .faq-body{padding:0 18px 18px}
  .footer-top{padding:48px 20px 32px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{padding:20px 20px 24px;flex-direction:column;align-items:flex-start}
  .tabbar{display:flex}
}
@media (max-width:520px){
  .brand{font-size:17px}
  .brand-mark{width:30px;height:30px;font-size:15px;border-radius:9px}
  .cat-banner h1{font-size:27px}
  .banner-tags .tag{font-size:12px;padding:5px 11px}
}