/* roulang page: index */
:root{
  --brand:#0E7C66; --brand-dark:#0A5C4C; --brand-soft:#E6F3EF;
  --accent:#F97316; --accent-soft:#FFF1E6;
  --ink:#1A1D21; --ink-2:#5A6470; --line:#E6E9ED;
  --bg:#F7F8FA; --card:#FFFFFF;
  --radius-s:8px; --radius-m:14px; --radius-l:22px;
  --shadow-1:0 2px 8px rgba(16,32,28,.06);
  --shadow-2:0 10px 28px rgba(16,32,28,.10);
  --shadow-hover:0 16px 36px rgba(14,124,102,.16);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;background:var(--bg);color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;font-weight:400;line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease;}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;color:var(--ink);}
p{margin:0 0 18px;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section--plain{background:#fff;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:500;color:var(--brand);background:var(--brand-soft);border-radius:999px;padding:5px 14px;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px;flex-wrap:wrap;}
.sec-head h2{font-size:27px;display:flex;align-items:center;gap:12px;}
.sec-head h2::before{content:"";width:5px;height:22px;border-radius:3px;background:var(--brand);display:inline-block;}
.sec-head p{color:var(--ink-2);font-size:14px;margin:8px 0 0;}
.more-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:14px;font-weight:500;}
.more-link i{transition:transform .2s ease;}
.more-link:hover{color:var(--brand-dark);}
.more-link:hover i{transform:translateX(4px);}

/* 顶部信息条 */
.topbar{display:none;background:var(--brand-soft);height:36px;font-size:13px;color:var(--ink-2);}
.topbar .container{display:flex;align-items:center;justify-content:space-between;height:100%;}
.topbar-note{display:flex;align-items:center;gap:8px;overflow:hidden;white-space:nowrap;}
.topbar-note .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);}
.topbar-links{display:flex;align-items:center;gap:20px;}
.topbar-links a:hover{color:var(--brand);}
@media(min-width:1024px){.topbar{display:block;}}

/* 导航 */
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px;}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{width:36px;height:36px;border-radius:10px;background:var(--brand);display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;}
.logo-text{font-size:18px;font-weight:700;color:var(--ink);letter-spacing:.2px;}
.logo-text span{color:var(--brand);}
.nav-links{display:none;align-items:center;gap:4px;}
.nav-links a{position:relative;padding:10px 14px;border-radius:999px;font-size:15px;color:var(--ink);transition:background-color .2s ease,color .2s ease;}
.nav-links a:hover{background:var(--brand-soft);color:var(--brand);}
.nav-links a.active{color:var(--brand);font-weight:500;}
.nav-links a.active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;border-radius:2px;background:var(--brand);}
.nav-cta{display:none;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--radius-s);font-size:15px;font-weight:500;padding:11px 22px;border:1.5px solid transparent;cursor:pointer;transition:all .22s ease;white-space:nowrap;}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:var(--shadow-1);}
.btn-outline{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn-outline:hover{background:var(--brand);color:#fff;}
.btn-ghost{background:transparent;color:var(--ink-2);}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand);}
.btn-white{background:#fff;color:var(--brand);}
.btn-white:hover{background:var(--brand-soft);transform:translateY(-1px);}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover{background:#e0640b;transform:translateY(-1px);}
.btn-sm{padding:9px 18px;font-size:14px;}
.nav-toggle{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:10px;background:var(--brand-soft);color:var(--brand);border:0;cursor:pointer;}
.mobile-panel{display:none;background:#fff;border-top:1px solid var(--line);border-radius:0 0 var(--radius-m) var(--radius-m);box-shadow:var(--shadow-2);}
.mobile-panel.open{display:block;}
.mobile-panel a{display:block;line-height:48px;padding:0 24px;border-bottom:1px solid var(--line);font-size:15px;color:var(--ink);}
.mobile-panel a.active{color:var(--brand);font-weight:500;border-left:3px solid var(--brand);}
.mobile-panel a:hover{background:var(--brand-soft);color:var(--brand);}
@media(min-width:1024px){
  .nav-links{display:flex;}
  .nav-cta{display:inline-flex;}
  .nav-toggle{display:none;}
  .mobile-panel{display:none !important;}
}

/* Hero */
.hero{position:relative;overflow:hidden;background:var(--brand-dark);}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;transform:scale(1.02);}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(115deg,rgba(14,124,102,.88) 0%,rgba(10,92,76,.86) 46%,rgba(10,30,26,.78) 100%);}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr;gap:40px;padding:72px 0 84px;align-items:center;}
.hero h1{font-size:32px;color:#fff;letter-spacing:.4px;}
.hero h1 em{font-style:normal;color:#FFD9B8;}
.hero-sub{margin:16px 0 0;color:rgba(255,255,255,.86);font-size:16px;max-width:520px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-trust{display:flex;flex-wrap:wrap;gap:22px;margin-top:30px;}
.hero-trust li{display:flex;align-items:center;gap:8px;color:rgba(255,255,255,.9);font-size:13px;}
.hero-trust i{color:#9FE3D2;}
.hero-card{display:none;position:relative;}
.hero-card figure{margin:0;border-radius:var(--radius-l);overflow:hidden;border:6px solid rgba(255,255,255,.9);box-shadow:0 24px 48px rgba(0,0,0,.28);aspect-ratio:4/3;}
.hero-card img{width:100%;height:100%;object-fit:cover;}
.hero-badge{position:absolute;left:-14px;bottom:22px;background:#fff;border-radius:var(--radius-m);box-shadow:var(--shadow-2);padding:14px 18px;display:flex;align-items:center;gap:12px;}
.hero-badge strong{display:block;font-size:20px;color:var(--brand);line-height:1.2;}
.hero-badge span{font-size:12px;color:var(--ink-2);}
@media(min-width:1024px){
  .hero-inner{grid-template-columns:7fr 5fr;padding:84px 0 92px;}
  .hero h1{font-size:40px;}
  .hero-card{display:block;}
}

/* 专题封面带 */
.cover-grid{display:grid;grid-template-columns:1fr;gap:16px;}
@media(min-width:640px){.cover-grid{grid-template-columns:repeat(2,1fr);gap:20px;}}
@media(min-width:1024px){.cover-grid{grid-template-columns:repeat(4,1fr);gap:24px;}}
.cover-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-m);overflow:hidden;transition:all .22s ease;display:flex;flex-direction:column;}
.cover-card:hover{transform:translateY(-4px);border-color:var(--brand-soft);box-shadow:var(--shadow-hover);}
.cover-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--brand-soft);}
.cover-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.cover-card:hover .cover-thumb img{transform:scale(1.03);}
.cover-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:8px;flex:1;}
.cover-body h3{font-size:17px;}
.cover-body p{font-size:13.5px;color:var(--ink-2);margin:0;line-height:1.7;}
.badge{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:500;border-radius:999px;padding:3px 11px;background:var(--brand-soft);color:var(--brand);}
.badge-accent{background:var(--accent-soft);color:var(--accent);}
.cover-count{position:absolute;right:12px;top:12px;background:rgba(255,255,255,.94);color:var(--brand);font-size:12px;font-weight:500;border-radius:999px;padding:3px 10px;}

/* 合集目录 */
.directory{display:grid;grid-template-columns:1fr;gap:28px;}
@media(min-width:1024px){.directory{grid-template-columns:300px 1fr;gap:40px;}}
.dir-side{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-m);padding:20px;align-self:start;}
@media(min-width:1024px){.dir-side{position:sticky;top:96px;}}
.dir-side h3{font-size:15px;color:var(--ink-2);font-weight:500;margin-bottom:12px;padding-left:4px;}
.dir-list li a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 14px;border-radius:var(--radius-s);font-size:15px;color:var(--ink);border-left:3px solid transparent;transition:all .2s ease;}
.dir-list li a:hover{background:var(--brand-soft);color:var(--brand);}
.dir-list li a.current{background:var(--brand-soft);color:var(--brand);font-weight:500;border-left-color:var(--brand);}
.dir-count{font-size:12px;color:var(--ink-2);background:#fff;border:1px solid var(--line);border-radius:999px;padding:1px 9px;}
.dir-list li a.current .dir-count{background:#fff;color:var(--brand);border-color:var(--brand-soft);}
.entry-list{display:flex;flex-direction:column;gap:16px;}
.entry{display:flex;gap:18px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-m);padding:18px;transition:all .22s ease;}
.entry:hover{border-color:var(--brand-soft);box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.entry-thumb{flex:0 0 150px;height:102px;border-radius:10px;overflow:hidden;background:var(--brand-soft);}
.entry-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.entry:hover .entry-thumb img{transform:scale(1.03);}
.entry-body{min-width:0;display:flex;flex-direction:column;gap:6px;}
.entry-body h3{font-size:17px;}
.entry-body p{font-size:13.5px;color:var(--ink-2);margin:0;line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.entry-meta{display:flex;flex-wrap:wrap;gap:14px;font-size:12.5px;color:var(--ink-2);margin-top:auto;}
@media(max-width:640px){
  .entry{flex-direction:column;}
  .entry-thumb{flex:none;width:100%;height:172px;}
}

/* 最新资讯 CMS 区 */
.news-grid{display:grid;grid-template-columns:1fr;gap:16px;}
@media(min-width:768px){.news-grid{grid-template-columns:repeat(2,1fr);gap:20px;}}
@media(min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr);gap:24px;}}
.news-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-m);overflow:hidden;transition:all .22s ease;}
.news-card:hover{border-color:var(--brand-soft);box-shadow:var(--shadow-hover);transform:translateY(-3px);}
.news-cover{aspect-ratio:16/9;background:var(--brand-soft);position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center;}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.news-card:hover .news-cover img{transform:scale(1.03);}
.news-cover .placeholder{color:var(--brand);font-size:26px;opacity:.65;}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-body h3{font-size:17px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-body p{font-size:13.5px;color:var(--ink-2);margin:0;line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;flex-wrap:wrap;gap:14px;font-size:12.5px;color:var(--ink-2);margin-top:auto;padding-top:10px;border-top:1px solid var(--line);}
.empty-state{text-align:center;background:var(--card);border:1px dashed var(--line);border-radius:var(--radius-m);padding:56px 24px;display:flex;flex-direction:column;align-items:center;gap:14px;}
.empty-state i{font-size:30px;color:var(--brand);opacity:.7;}
.empty-state p{color:var(--ink-2);margin:0;font-size:15px;}

/* 精选条目 */
.feature-wrap{display:grid;grid-template-columns:1fr;gap:16px;}
@media(min-width:1024px){.feature-wrap{grid-template-columns:1.25fr 1fr;gap:24px;}}
.feature-main{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-m);overflow:hidden;display:flex;flex-direction:column;transition:all .22s ease;}
.feature-main:hover{border-color:var(--brand-soft);box-shadow:var(--shadow-hover);}
.feature-main .thumb{aspect-ratio:16/9;background:var(--brand-soft);overflow:hidden;}
.feature-main .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.feature-main:hover .thumb img{transform:scale(1.03);}
.feature-main .body{padding:26px 26px 28px;display:flex;flex-direction:column;gap:12px;}
.feature-main h3{font-size:21px;}
.feature-main p{font-size:14.5px;color:var(--ink-2);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.feature-side{display:flex;flex-direction:column;gap:16px;}
.mini-card{display:flex;gap:14px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-m);padding:16px;transition:all .22s ease;flex:1;}
.mini-card:hover{border-color:var(--brand-soft);box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.mini-card .thumb{flex:0 0 84px;height:84px;border-radius:10px;overflow:hidden;background:var(--brand-soft);}
.mini-card .thumb img{width:100%;height:100%;object-fit:cover;}
.mini-card h3{font-size:15.5px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.mini-card p{font-size:12.5px;color:var(--ink-2);margin:6px 0 0;}

/* 数据速览 */
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
@media(min-width:1024px){.stats{grid-template-columns:repeat(4,1fr);gap:24px;}}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-m);padding:26px 24px;transition:all .22s ease;}
.stat:hover{border-color:var(--brand-soft);box-shadow:var(--shadow-hover);}
.stat strong{display:block;font-size:32px;font-weight:700;color:var(--brand);line-height:1.2;}
.stat span{display:block;margin-top:8px;font-size:13.5px;color:var(--ink-2);}

/* CTA 条 */
.cta-bar{background:linear-gradient(100deg,var(--brand) 0%,var(--brand-dark) 100%);border-radius:var(--radius-l);padding:38px 34px;display:flex;flex-direction:column;gap:22px;align-items:flex-start;justify-content:space-between;}
@media(min-width:900px){.cta-bar{flex-direction:row;align-items:center;padding:42px 48px;}}
.cta-bar h2{color:#fff;font-size:24px;}
.cta-bar p{color:rgba(255,255,255,.84);font-size:14px;margin:8px 0 0;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* FAQ */
.faq-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-m);overflow:hidden;}
.faq-item + .faq-item{border-top:1px solid var(--line);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;background:transparent;border:0;cursor:pointer;padding:20px 24px;font-size:16px;font-weight:500;color:var(--ink);transition:background-color .2s ease;}
.faq-q:hover{background:var(--brand-soft);}
.faq-q i{color:var(--brand);transition:transform .25s ease;flex:0 0 auto;}
.faq-q.open i{transform:rotate(180deg);}
.faq-a{display:none;padding:0 24px 20px;font-size:15px;color:var(--ink-2);line-height:1.85;}
.faq-a.open{display:block;}

/* 页脚 */
.site-footer{background:var(--brand-dark);color:rgba(255,255,255,.78);padding:64px 0 0;margin-top:88px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;padding-bottom:44px;}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .logo-mark{background:rgba(255,255,255,.14);}
.footer-brand .logo-text{color:#fff;}
.footer-brand .logo-text span{color:#9FE3D2;}
.site-footer p{font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.66);margin:0;}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;}
.footer-list li{margin-bottom:10px;}
.footer-list a{font-size:13.5px;color:rgba(255,255,255,.72);}
.footer-list a:hover{color:#fff;}
.footer-contact li{font-size:13.5px;color:rgba(255,255,255,.72);margin-bottom:10px;display:flex;gap:8px;align-items:flex-start;}
.footer-contact i{color:#9FE3D2;margin-top:5px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding:20px 0;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:12.5px;color:rgba(255,255,255,.6);}
@media(max-width:1023px){
  .section{padding:64px 0;}
  .site-footer{margin-top:64px;}
}
@media(max-width:640px){
  .container{padding:0 20px;}
  .section{padding:48px 0;}
  .hero-inner{padding:56px 0 64px;}
  .hero h1{font-size:26px;}
  .sec-head h2{font-size:22px;}
  .cta-bar{border-radius:var(--radius-m);padding:30px 22px;}
  .site-footer{padding-top:48px;margin-top:48px;}
}

/* roulang page: category1 */
:root{
  --brand:#0E7C66;--brand-dark:#0A5C4C;--brand-soft:#E6F3EF;--accent:#F97316;--accent-soft:#FFF1E6;
  --ink:#1A1D21;--ink-2:#5A6470;--line:#E6E9ED;--bg:#F7F8FA;--card:#FFFFFF;
  --radius-s:8px;--radius-m:14px;--radius-l:22px;
  --shadow-1:0 2px 8px rgba(16,32,28,.06);--shadow-2:0 10px 28px rgba(16,32,28,.10);
  --shadow-hover:0 16px 36px rgba(14,124,102,.16);
  --section:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;background:var(--bg);color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.85;font-weight:400;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
button,input,textarea,select{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:0;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;letter-spacing:.2px;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
::selection{background:var(--brand-soft);color:var(--brand-dark);}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}

.container{max-width:1200px;margin:0 auto;padding:0 32px;width:100%;}
.section{padding:var(--section) 0;}
.section-tight{padding:56px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
.section-title{position:relative;padding-left:18px;font-size:26px;}
.section-title::before{content:"";position:absolute;left:0;top:.18em;width:6px;height:1.05em;border-radius:3px;background:var(--brand);}
.section-sub{color:var(--ink-2);font-size:14px;margin-top:8px;padding-left:18px;}
.text-link{color:var(--brand);font-weight:500;display:inline-flex;align-items:center;gap:6px;white-space:nowrap;}
.text-link i{transition:transform .2s ease;}
.text-link:hover{color:var(--brand-dark);}
.text-link:hover i{transform:translateX(4px);}

/* 顶部信息条 */
.topbar{display:none;background:var(--brand-soft);border-bottom:1px solid rgba(14,124,102,.12);}
.topbar-inner{height:36px;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-2);}
.topbar-note{display:inline-flex;align-items:center;gap:6px;color:var(--brand-dark);}
.topbar-note i{color:var(--accent);}
.topbar-links{display:flex;align-items:center;gap:18px;}
.topbar-links .link-btn{font-size:13px;color:var(--ink-2);padding:2px 4px;border-radius:6px;}
.topbar-links .link-btn:hover{color:var(--brand);background:#fff;}

/* 头部导航 */
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 1px 0 rgba(16,32,28,.02);}
.nav-wrap{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:10px;padding-bottom:10px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{width:36px;height:36px;border-radius:10px;background:var(--brand);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:17px;box-shadow:var(--shadow-1);}
.logo-text{font-size:19px;font-weight:700;color:var(--ink);letter-spacing:.4px;}
.logo-text span{color:var(--brand);margin-left:2px;}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-links a{position:relative;padding:9px 14px;border-radius:999px;font-size:15px;font-weight:500;color:var(--ink-2);}
.nav-links a:hover{background:var(--brand-soft);color:var(--brand);}
.nav-links a.active{color:var(--brand);font-weight:700;background:transparent;}
.nav-links a.active::after{content:"";position:absolute;left:14px;right:14px;bottom:-1px;height:3px;border-radius:2px;background:var(--brand);}
.nav-actions{display:flex;align-items:center;gap:10px;}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--ink);font-size:17px;align-items:center;justify-content:center;}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft);}
.mobile-panel{display:none;background:#fff;border-bottom:1px solid var(--line);border-radius:0 0 14px 14px;box-shadow:var(--shadow-1);}
.mobile-panel.open{display:block;}
.mobile-panel a{display:block;line-height:48px;padding:0 24px;font-size:15px;color:var(--ink-2);border-bottom:1px solid var(--line);}
.mobile-panel a:last-child{border-bottom:0;}
.mobile-panel a.active{color:var(--brand);font-weight:700;box-shadow:inset 3px 0 0 var(--brand);background:var(--brand-soft);}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--radius-s);
  padding:11px 22px;font-size:15px;font-weight:600;line-height:1.2;border:1.5px solid transparent;
  transition:transform .22s ease,background-color .22s ease,color .22s ease,border-color .22s ease,box-shadow .22s ease;}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn-outline:hover{background:var(--brand);color:#fff;transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--ink-2);}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand);}
.btn-white{background:#fff;color:var(--brand);box-shadow:var(--shadow-1);}
.btn-white:hover{transform:translateY(-1px);box-shadow:var(--shadow-2);color:var(--brand-dark);}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover{background:#e2640c;transform:translateY(-1px);box-shadow:0 10px 24px rgba(249,115,22,.28);}
.btn-block{width:100%;}

/* 徽章 */
.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 11px;border-radius:999px;font-size:12px;font-weight:500;line-height:1.7;background:var(--brand-soft);color:var(--brand);}
.badge-accent{background:var(--accent-soft);color:#C2540A;}
.badge-line{background:#fff;border:1px solid var(--line);color:var(--ink-2);}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;}

/* 面包屑 */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.78);}
.breadcrumb a{color:rgba(255,255,255,.85);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb .sep{color:rgba(255,255,255,.45);}
.breadcrumb .current{color:#fff;font-weight:600;}

/* 分类 Hero */
.cat-hero{position:relative;color:#fff;padding:56px 0 52px;min-height:300px;display:flex;align-items:center;
  background-image:linear-gradient(112deg,rgba(6,64,53,.90) 0%,rgba(10,92,76,.74) 58%,rgba(14,124,102,.62) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center 32%;}
.cat-hero::after{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 1px,transparent 1px 13px);}
.cat-hero .container{position:relative;z-index:2;}
.cat-hero h1{font-size:40px;margin:18px 0 12px;color:#fff;}
.cat-hero .lead{max-width:640px;font-size:17px;color:rgba(255,255,255,.9);}
.hero-tags{margin-top:22px;display:flex;flex-wrap:wrap;gap:10px;}
.hero-tags .badge{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.24);}

/* 卡片 */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-m);box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;overflow:hidden;}
.card:hover{transform:translateY(-4px);border-color:var(--brand-soft);box-shadow:var(--shadow-hover);}
.card-body{padding:24px;}
.card h3{font-size:18px;margin-bottom:10px;}
.card p{color:var(--ink-2);font-size:15px;}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

/* 头条 + 快讯 */
.top-grid{display:grid;grid-template-columns:1.55fr 1fr;gap:24px;align-items:start;}
.headline{display:flex;flex-direction:column;}
.headline-media{position:relative;overflow:hidden;border-radius:var(--radius-m) var(--radius-m) 0 0;aspect-ratio:16/9;background:var(--brand-soft);}
.headline-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.headline:hover .headline-media img{transform:scale(1.03);}
.headline-media .badge{position:absolute;left:16px;top:16px;background:#fff;}
.headline .card-body{padding:26px 26px 24px;}
.headline h3{font-size:24px;line-height:1.4;}
.quick-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);box-shadow:var(--shadow-1);overflow:hidden;}
.quick-head{padding:18px 22px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;}
.quick-head h3{font-size:17px;}
.quick-head .badge{background:var(--accent-soft);color:#C2540A;}
.quick-item{display:flex;gap:14px;padding:18px 22px;border-bottom:1px solid var(--line);transition:background-color .22s ease;}
.quick-item:last-child{border-bottom:0;}
.quick-item:hover{background:var(--brand-soft);}
.quick-thumb{flex:0 0 96px;height:68px;border-radius:10px;overflow:hidden;background:var(--brand-soft);}
.quick-thumb img{width:100%;height:100%;object-fit:cover;}
.quick-item h4{font-size:15px;font-weight:600;margin-bottom:6px;}
.quick-item:hover h4{color:var(--brand-dark);}
.meta-row{display:flex;flex-wrap:wrap;gap:14px;font-size:13px;color:var(--ink-2);}
.meta-row i{color:var(--brand);margin-right:4px;}

/* 时间轴 */
.timeline-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);box-shadow:var(--shadow-1);padding:36px 40px;}
.timeline{position:relative;padding-left:32px;}
.timeline::before{content:"";position:absolute;left:5px;top:8px;bottom:8px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,var(--brand) 0%,rgba(14,124,102,.25) 100%);}
.tl-item{position:relative;padding-bottom:28px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{content:"";position:absolute;left:-32px;top:9px;width:12px;height:12px;border-radius:50%;background:#fff;border:3px solid var(--brand);}
.tl-date{font-size:13px;font-weight:700;color:var(--brand);letter-spacing:.6px;margin-bottom:6px;}
.tl-item h3{font-size:17px;margin-bottom:6px;}
.tl-item p{font-size:15px;color:var(--ink-2);max-width:760px;}
.tl-line{height:1px;background:var(--line);margin:16px 0 18px;}
.tl-meta{font-size:13px;color:var(--ink-2);display:flex;gap:16px;flex-wrap:wrap;}
.tl-meta i{margin-right:4px;color:var(--brand);}

/* 数据条 */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);padding:34px 32px;box-shadow:var(--shadow-1);}
.stat-item{border-left:3px solid var(--brand-soft);padding-left:18px;}
.stat-num{font-size:32px;font-weight:700;color:var(--brand);line-height:1.2;}
.stat-num small{font-size:15px;font-weight:600;margin-left:2px;}
.stat-label{font-size:13px;color:var(--ink-2);margin-top:6px;}

/* 延伸阅读 */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.read-card .read-media{aspect-ratio:16/10;overflow:hidden;background:var(--brand-soft);}
.read-card .read-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.read-card:hover .read-media img{transform:scale(1.03);}
.read-card h3{font-size:17px;}
.read-card .card-body{padding:22px 22px 24px;}

/* CTA 条 */
.cta-band{background:linear-gradient(115deg,var(--brand-dark) 0%,#0d6a58 100%);color:#fff;border-radius:var(--radius-l);padding:44px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;box-shadow:var(--shadow-2);}
.cta-band h2{font-size:26px;color:#fff;margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.82);font-size:15px;max-width:560px;}
.cta-actions{display:flex;gap:12px;flex:0 0 auto;}

/* 页脚 */
.site-footer{background:#0F1B18;color:rgba(255,255,255,.74);padding:64px 0 0;margin-top:0;border-top:4px solid var(--brand);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .logo-mark{background:var(--brand);}
.footer-brand .logo-text{color:#fff;}
.footer-brand .logo-text span{color:#7ED9C2;}
.site-footer p{font-size:14px;color:rgba(255,255,255,.66);max-width:280px;}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:16px;}
.footer-list li{margin-bottom:10px;}
.footer-list a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-list a:hover{color:#7ED9C2;}
.footer-contact li{display:flex;gap:10px;font-size:14px;margin-bottom:12px;color:rgba(255,255,255,.72);}
.footer-contact i{color:#7ED9C2;margin-top:6px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.6);}

/* 响应式 */
@media (max-width:1024px){
  :root{--section:64px;}
  .container{padding:0 24px;}
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .top-grid{grid-template-columns:1fr;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .stat-strip{grid-template-columns:repeat(2,1fr);gap:20px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cat-hero h1{font-size:34px;}
  .cta-band{flex-direction:column;align-items:flex-start;}
}
@media (max-width:768px){
  :root{--section:48px;}
  .grid-3,.grid-2{grid-template-columns:1fr;}
  .timeline-wrap{padding:26px 22px;}
  .headline h3{font-size:20px;}
  .cta-band{padding:32px 26px;}
  .cta-band h2{font-size:22px;}
  .section-title{font-size:22px;}
}
@media (max-width:520px){
  .container{padding:0 20px;}
  .cat-hero{padding:42px 0 38px;min-height:auto;}
  .cat-hero h1{font-size:26px;}
  .cat-hero .lead{font-size:15px;}
  .stat-strip{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .cta-actions{width:100%;flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .quick-thumb{flex:0 0 76px;height:58px;}
  .nav-actions .btn{display:none;}
}

/* roulang page: article */
:root{
  --brand:#0E7C66;
  --brand-dark:#0A5C4C;
  --brand-soft:#E6F3EF;
  --accent:#F97316;
  --accent-soft:#FFF1E6;
  --ink:#1A1D21;
  --ink-2:#5A6470;
  --line:#E6E9ED;
  --bg:#F7F8FA;
  --card:#FFFFFF;
  --radius-s:8px;
  --radius-m:14px;
  --radius-l:22px;
  --shadow-1:0 2px 8px rgba(16,32,28,.06);
  --shadow-2:0 10px 28px rgba(16,32,28,.10);
  --shadow-hover:0 16px 36px rgba(14,124,102,.16);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease;}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;color:var(--ink);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}

/* ---------- 顶部信息条 ---------- */
.topbar{
  background:var(--brand-soft);
  border-bottom:1px solid rgba(14,124,102,.10);
  font-size:13px;
  color:var(--ink-2);
  height:36px;
  display:flex;
  align-items:center;
}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;}
.topbar-note{display:flex;align-items:center;gap:8px;white-space:nowrap;overflow:hidden;}
.topbar-note i{color:var(--brand);}
.topbar-links{display:flex;align-items:center;gap:18px;}
.topbar-links a{color:var(--ink-2);}
.topbar-links a:hover{color:var(--brand);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:36px;height:36px;border-radius:10px;
  background:linear-gradient(135deg,var(--brand),var(--brand-dark));
  color:#fff;display:flex;align-items:center;justify-content:center;font-size:17px;
  box-shadow:0 4px 12px rgba(14,124,102,.28);
}
.logo-text{font-size:19px;font-weight:700;letter-spacing:.2px;color:var(--ink);}
.logo-text span{color:var(--brand);}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-links a{
  position:relative;
  padding:10px 16px;
  border-radius:999px;
  font-size:15px;
  font-weight:500;
  color:var(--ink-2);
  transition:color .2s ease,background-color .2s ease;
}
.nav-links a:hover{color:var(--brand);background:var(--brand-soft);}
.nav-links a.active{color:var(--brand);font-weight:700;}
.nav-links a.active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);
  bottom:2px;width:22px;height:3px;border-radius:3px;background:var(--brand);
}
.header-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 20px;border-radius:var(--radius-s);
  background:var(--brand);color:#fff;font-size:14px;font-weight:600;
  transition:background-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.header-cta:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:var(--shadow-1);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--ink);align-items:center;justify-content:center;cursor:pointer;
  transition:background-color .2s ease,border-color .2s ease;
}
.nav-toggle:hover{background:var(--brand-soft);border-color:var(--brand-soft);color:var(--brand);}
.mobile-nav{display:none;background:#fff;border-top:1px solid var(--line);border-radius:0 0 var(--radius-m) var(--radius-m);}
.mobile-nav.open{display:block;}
.mobile-nav a{
  display:flex;align-items:center;height:48px;padding:0 24px;font-size:15px;color:var(--ink-2);
  border-bottom:1px solid var(--line);
}
.mobile-nav a:last-child{border-bottom:0;}
.mobile-nav a.active{color:var(--brand);font-weight:700;border-left:3px solid var(--brand);background:var(--brand-soft);}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:22px 0 0;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--ink-2);}
.crumb a{color:var(--ink-2);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#C3CAD3;}
.crumb .now{color:var(--brand);font-weight:600;}
.crumb .ellipsis{max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 文章标题区 ---------- */
.article-head{padding:26px 0 0;}
.article-head-inner{max-width:860px;}
.article-head h1{
  font-size:36px;
  line-height:1.35;
  letter-spacing:.2px;
  margin:14px 0 0;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  margin-top:18px;padding-bottom:22px;border-bottom:1px solid var(--line);
  font-size:14px;color:var(--ink-2);
}
.meta-row span{display:inline-flex;align-items:center;gap:7px;}
.meta-row i{color:var(--brand);}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand);
  font-size:12px;font-weight:500;letter-spacing:.2px;
}
.badge-accent{background:var(--accent-soft);color:var(--accent);}

/* ---------- 正文布局 ---------- */
.layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 340px;
  gap:48px;
  padding:44px 0 88px;
  align-items:start;
}
.article-shell{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  box-shadow:var(--shadow-1);
  padding:40px 44px 36px;
}

/* ---------- 正文排版 ---------- */
.article-body{font-size:16px;line-height:1.9;color:#242A2F;}
.article-body > * + *{margin-top:18px;}
.article-body p{margin:0;font-size:16px;line-height:1.9;color:#242A2F;}
.article-body h2{
  font-size:24px;font-weight:700;color:var(--ink);
  margin:40px 0 14px;padding-left:14px;position:relative;line-height:1.4;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;background:var(--brand);
}
.article-body h3{font-size:19px;font-weight:700;color:var(--ink);margin:30px 0 10px;}
.article-body h4{font-size:17px;font-weight:700;color:var(--ink);margin:24px 0 8px;}
.article-body ul,.article-body ol{margin:18px 0;padding-left:4px;}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:10px;line-height:1.85;}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:11px;width:6px;height:6px;border-radius:50%;background:var(--brand);
}
.article-body ol{counter-reset:li;list-style:none;}
.article-body ol li{position:relative;padding-left:28px;margin-bottom:10px;counter-increment:li;}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:4px;width:18px;height:18px;border-radius:50%;
  background:var(--brand-soft);color:var(--brand);font-size:12px;font-weight:700;
  display:flex;align-items:center;justify-content:center;line-height:1;
}
.article-body blockquote{
  margin:24px 0;padding:20px 24px;border-left:4px solid var(--brand);
  background:var(--brand-soft);border-radius:0 var(--radius-m) var(--radius-m) 0;
  color:#254B42;font-size:15.5px;line-height:1.85;
}
.article-body blockquote p{color:#254B42;}
.article-body a{color:var(--brand);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px;}
.article-body a:hover{color:var(--brand-dark);}
.article-body img{border-radius:var(--radius-m);margin:24px auto;box-shadow:var(--shadow-1);}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--ink-2);text-align:center;margin-top:8px;}
.article-body table{
  width:100%;border-collapse:separate;border-spacing:0;margin:24px 0;
  border:1px solid var(--line);border-radius:12px;overflow:hidden;font-size:15px;
}
.article-body th{
  background:var(--brand-soft);color:var(--brand-dark);font-weight:700;
  text-align:left;padding:13px 18px;font-size:14px;
}
.article-body td{padding:13px 18px;border-top:1px solid var(--line);color:#2C3238;}
.article-body tr:hover td{background:#FBFCFD;}
.article-body code{
  background:#F1F3F5;border-radius:6px;padding:2px 7px;font-size:14px;
  font-family:"JetBrains Mono","Courier New",monospace;color:#B4491B;
}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0;}

/* ---------- 空状态 ---------- */
.empty-state{
  padding:70px 24px;text-align:center;
}
.empty-icon{
  width:72px;height:72px;margin:0 auto 20px;border-radius:22px;
  background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:28px;
}
.empty-state h2{font-size:22px;margin-bottom:10px;}
.empty-state p{color:var(--ink-2);font-size:15px;margin-bottom:24px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 24px;border-radius:var(--radius-s);font-size:15px;font-weight:600;
  border:1.5px solid transparent;cursor:pointer;
  transition:background-color .22s ease,color .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:var(--shadow-1);}
.btn-outline{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn-outline:hover{background:var(--brand);color:#fff;transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--ink-2);}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand);}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover{background:#E2610A;transform:translateY(-1px);box-shadow:0 8px 18px rgba(249,115,22,.24);}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:14px;}
.link-arrow i{transition:transform .22s ease;}
.link-arrow:hover i{transform:translateX(4px);}

/* ---------- 文末区 ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:36px 0 0;padding-top:26px;border-top:1px solid var(--line);}
.share-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:22px;}
.share-row .label{font-size:14px;color:var(--ink-2);margin-right:2px;}
.share-btn{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 16px;border-radius:var(--radius-s);border:1px solid var(--line);
  background:#fff;font-size:14px;color:var(--ink-2);cursor:pointer;
  transition:all .22s ease;
}
.share-btn:hover{background:var(--brand);border-color:var(--brand);color:#fff;transform:translateY(-1px);}
.prevnext{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:36px;}
.prevnext a{
  display:block;padding:20px 22px;border:1px solid var(--line);border-radius:var(--radius-m);
  background:#fff;transition:all .22s ease;
}
.prevnext a:hover{border-color:var(--brand-soft);box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.prevnext .dir{font-size:13px;color:var(--brand);font-weight:600;display:flex;align-items:center;gap:7px;margin-bottom:8px;}
.prevnext .ttl{font-size:15px;font-weight:600;color:var(--ink);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.prevnext .next{text-align:right;}
.prevnext .next .dir{justify-content:flex-end;}
.back-row{text-align:center;margin-top:40px;}

/* ---------- 侧栏 ---------- */
.sidebar{position:sticky;top:96px;display:flex;flex-direction:column;gap:22px;}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-m);
  box-shadow:var(--shadow-1);padding:22px 22px 18px;
}
.side-card h3{
  font-size:17px;margin-bottom:16px;padding-left:12px;position:relative;
}
.side-card h3::before{
  content:"";position:absolute;left:0;top:4px;bottom:4px;width:4px;border-radius:4px;background:var(--brand);
}
.rank-list li{display:flex;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line);}
.rank-list li:last-child{border-bottom:0;padding-bottom:0;}
.rank-list .num{
  flex:0 0 22px;font-size:16px;font-weight:700;color:var(--brand);line-height:1.5;
}
.rank-list .num.plain{color:#B7C0C9;}
.rank-list a{font-size:14.5px;line-height:1.6;color:#2C3238;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rank-list a:hover{color:var(--brand);}
.rec-item{display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line);}
.rec-item:last-child{border-bottom:0;padding-bottom:0;}
.rec-item img{
  width:88px;height:62px;object-fit:cover;border-radius:10px;flex-shrink:0;
  background:var(--brand-soft);
  transition:transform .22s ease;
}
.rec-item:hover img{transform:scale(1.03);}
.rec-item .rc-t{font-size:14px;font-weight:600;line-height:1.6;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rec-item .rc-t:hover{color:var(--brand);}
.rec-item .rc-m{font-size:12px;color:var(--ink-2);margin-top:6px;}
.share-card{background:var(--accent-soft);border:1px solid #FFE0C7;}
.share-card h3{font-size:16px;}
.share-card h3::before{background:var(--accent);}
.share-card p{font-size:13.5px;color:#8A5330;line-height:1.7;margin-bottom:14px;}
.share-card .btn{width:100%;background:#fff;color:var(--accent);border:1.5px solid #FFD3AE;}
.share-card .btn:hover{background:var(--accent);color:#fff;border-color:var(--accent);}

/* ---------- 相关推荐 ---------- */
.related-section{padding:0 0 88px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;}
.section-head h2{font-size:26px;padding-left:14px;position:relative;}
.section-head h2::before{
  content:"";position:absolute;left:0;top:5px;bottom:5px;width:5px;border-radius:5px;background:var(--brand);
}
.section-head .sub{font-size:14px;color:var(--ink-2);margin-top:8px;padding-left:14px;}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.rel-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-m);
  overflow:hidden;box-shadow:var(--shadow-1);transition:all .22s ease;display:flex;flex-direction:column;
}
.rel-card:hover{border-color:var(--brand-soft);box-shadow:var(--shadow-hover);transform:translateY(-4px);}
.rel-thumb{height:172px;overflow:hidden;background:var(--brand-soft);}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.04);}
.rel-body{padding:20px 22px 22px;flex:1;display:flex;flex-direction:column;gap:10px;}
.rel-body h3{font-size:17px;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-body p{font-size:14px;color:var(--ink-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-meta{display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--ink-2);margin-top:auto;}

/* ---------- 页脚 ---------- */
.site-footer{background:#0F1B18;color:#C8D4D0;padding:66px 0 0;margin-top:20px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:48px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .logo-mark{width:34px;height:34px;font-size:16px;}
.footer-brand .logo-text{font-size:18px;color:#fff;}
.footer-brand .logo-text span{color:#5FD0B4;}
.site-footer p{font-size:14px;line-height:1.8;color:#9FB0AB;}
.site-footer h4{font-size:16px;color:#fff;margin-bottom:18px;font-weight:700;}
.footer-list li{margin-bottom:11px;}
.footer-list a{font-size:14px;color:#9FB0AB;}
.footer-list a:hover{color:#5FD0B4;}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:#9FB0AB;margin-bottom:12px;line-height:1.7;}
.footer-contact i{color:#5FD0B4;margin-top:5px;flex-shrink:0;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:10px 24px;
  justify-content:space-between;font-size:13px;color:#8296,90;
  color:#829690;
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .container{padding:0 24px;}
  .layout{grid-template-columns:minmax(0,1fr);gap:36px;padding:36px 0 64px;}
  .sidebar{position:static;top:auto;}
  .related-grid{grid-template-columns:repeat(2,1fr);}
  .article-shell{padding:32px 30px;}
  .article-head h1{font-size:30px;}
  .nav-links,.header-cta{display:none;}
  .nav-toggle{display:flex;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  .section-head h2{font-size:22px;}
  .topbar{display:none;}
  .header-inner{height:64px;}
  .article-head h1{font-size:26px;}
  .article-shell{padding:26px 20px;border-radius:var(--radius-m);}
  .article-body h2{font-size:21px;margin-top:32px;}
  .article-body h3{font-size:17.5px;}
  .prevnext{grid-template-columns:1fr;}
  .prevnext .next{text-align:left;}
  .prevnext .next .dir{justify-content:flex-start;}
  .related-grid{grid-template-columns:1fr;}
}
@media (max-width:520px){
  .container{padding:0 20px;}
  .logo-text{font-size:17px;}
  .article-head h1{font-size:23px;}
  .meta-row{gap:8px 16px;font-size:13px;}
  .crumb{font-size:13px;}
  .crumb .ellipsis{max-width:180px;}
  .article-shell{padding:22px 16px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category2 */
:root{
  --brand:#0E7C66;
  --brand-dark:#0A5C4C;
  --brand-soft:#E6F3EF;
  --accent:#F97316;
  --accent-soft:#FFF1E6;
  --ink:#1A1D21;
  --ink-2:#5A6470;
  --line:#E6E9ED;
  --bg:#F7F8FA;
  --card:#FFFFFF;
  --radius-s:8px;
  --radius-m:14px;
  --radius-l:22px;
  --shadow-1:0 2px 8px rgba(16,32,28,.06);
  --shadow-2:0 10px 28px rgba(16,32,28,.10);
  --shadow-hover:0 16px 36px rgba(14,124,102,.16);
  --container:1200px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}

/* ---------- 顶部信息条 ---------- */
.top-bar{background:var(--brand-soft);font-size:13px;color:var(--ink-2);}
.top-bar-inner{height:36px;display:flex;align-items:center;justify-content:space-between;gap:16px;}
.top-bar-note{display:flex;align-items:center;gap:8px;overflow:hidden;white-space:nowrap;}
.top-bar-note i{color:var(--brand);}
.top-bar-links{display:flex;align-items:center;gap:18px;flex-shrink:0;}
.top-bar-links a{color:var(--ink-2);transition:color .2s ease;}
.top-bar-links a:hover{color:var(--brand);}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;box-shadow:0 1px 0 var(--line);}
.header-inner{position:relative;display:flex;align-items:center;gap:24px;height:70px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{width:36px;height:36px;border-radius:10px;background:var(--brand);color:#fff;display:grid;place-items:center;font-size:17px;}
.logo-text{font-size:19px;font-weight:700;letter-spacing:.2px;color:var(--ink);}
.logo-text span{color:var(--brand);}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-links a{position:relative;padding:9px 14px;border-radius:999px;font-size:15px;font-weight:500;color:var(--ink-2);transition:background .2s ease,color .2s ease;}
.nav-links a:hover{background:var(--brand-soft);color:var(--brand);}
.nav-links a.active{color:var(--brand);font-weight:700;}
.nav-links a.active::after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;border-radius:3px;background:var(--brand);}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);cursor:pointer;place-items:center;transition:all .2s ease;}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand);}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:var(--radius-s);font-size:15px;font-weight:600;border:1.5px solid transparent;cursor:pointer;transition:all .22s ease;white-space:nowrap;}
.btn-primary{background:var(--brand);border-color:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-dark);border-color:var(--brand-dark);transform:translateY(-1px);box-shadow:var(--shadow-1);}
.btn-outline{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn-outline:hover{background:var(--brand);color:#fff;}
.btn-white{background:#fff;border-color:#fff;color:var(--brand);}
.btn-white:hover{transform:translateY(-1px);box-shadow:0 10px 24px rgba(0,0,0,.18);}
.btn-accent{background:var(--accent);border-color:var(--accent);color:#fff;}
.btn-accent:hover{background:#EA6A0C;border-color:#EA6A0C;transform:translateY(-1px);}
.btn-sm{padding:9px 18px;font-size:14px;}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--ink-2);}
.breadcrumb a{color:var(--ink-2);transition:color .2s ease;}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:#B9C2CC;}
.breadcrumb .current{color:var(--brand);font-weight:600;}
.breadcrumb-light{color:rgba(255,255,255,.8);}
.breadcrumb-light a{color:rgba(255,255,255,.8);}
.breadcrumb-light a:hover{color:#fff;}
.breadcrumb-light .sep{color:rgba(255,255,255,.5);}
.breadcrumb-light .current{color:#fff;}

/* ---------- 分类 Hero ---------- */
.page-hero{
  position:relative;
  color:#fff;
  padding:58px 0 54px;
  min-height:290px;
  display:flex;
  align-items:center;
  background-color:#0A5C4C;
  background-image:linear-gradient(115deg,rgba(14,124,102,.88) 0%,rgba(10,92,76,.76) 100%),url('/assets/images/backpic/back-2.webp');
  background-position:center;
  background-size:cover;
  background-repeat:no-repeat;
}
.page-hero-inner{max-width:760px;}
.hero-badge{display:inline-flex;align-items:center;gap:7px;padding:5px 13px;border-radius:999px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.3);font-size:12px;font-weight:500;letter-spacing:.4px;}
.page-hero h1{font-size:38px;margin:14px 0 12px;letter-spacing:.5px;}
.page-hero p{font-size:16px;color:rgba(255,255,255,.9);margin-bottom:18px;}

/* ---------- 板块 ---------- */
.section{padding:88px 0;}
.section-white{background:#fff;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:28px;}
.section-title{position:relative;padding-left:16px;font-size:26px;}
.section-title::before{content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;border-radius:4px;background:var(--brand);}
.section-sub{margin:0;font-size:14px;color:var(--ink-2);}

/* ---------- 筛选标签 ---------- */
.filter-chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px;}
.chip{display:inline-flex;align-items:center;gap:6px;padding:7px 16px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--ink-2);font-size:13px;font-weight:500;transition:all .2s ease;}
.chip:hover{border-color:var(--brand);color:var(--brand);}
.chip-active{background:var(--brand-soft);border-color:transparent;color:var(--brand);font-weight:700;}

/* ---------- 公告列表 ---------- */
.notice-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);overflow:hidden;box-shadow:var(--shadow-1);}
.notice-row{display:grid;grid-template-columns:148px 1fr auto 24px;align-items:center;gap:20px;padding:20px 24px;border-bottom:1px solid var(--line);transition:background .22s ease;}
.notice-row:last-child{border-bottom:none;}
.notice-row:hover{background:var(--brand-soft);}
.notice-row:hover .notice-title{color:var(--brand);}
.notice-row:hover .notice-arrow{color:var(--brand);transform:translateX(4px);}
.date-badge{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:var(--ink-2);font-variant-numeric:tabular-nums;}
.date-badge i{color:var(--brand);}
.notice-title{display:block;font-size:17px;font-weight:600;color:var(--ink);transition:color .2s ease;}
.notice-desc{display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;margin-top:4px;font-size:14px;color:var(--ink-2);}
.type-badge{display:inline-block;padding:4px 12px;border-radius:999px;background:var(--brand-soft);color:var(--brand);font-size:12px;font-weight:500;white-space:nowrap;}
.type-badge.alt{background:var(--accent-soft);color:var(--accent);}
.notice-arrow{color:#B9C2CC;font-size:14px;transition:all .22s ease;}

/* ---------- 阅读提示 ---------- */
.reading-grid{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;}
.reading-media{border-radius:var(--radius-l);overflow:hidden;box-shadow:var(--shadow-2);background:var(--brand-soft);}
.reading-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.check-list{margin-top:18px;}
.check-list li{display:flex;gap:12px;padding:15px 0;border-bottom:1px dashed var(--line);}
.check-list li:last-child{border-bottom:none;}
.check-list i{color:var(--brand);margin-top:6px;font-size:15px;}
.check-list h3{font-size:17px;margin-bottom:4px;}
.check-list p{font-size:14.5px;color:var(--ink-2);margin:0;}

/* ---------- FAQ ---------- */
.faq-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);overflow:hidden;box-shadow:var(--shadow-1);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:none;}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;font-size:17px;font-weight:600;transition:background .2s ease;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:var(--brand-soft);}
.faq-item[open] summary{color:var(--brand);}
.faq-icon{color:var(--brand);transition:transform .25s ease;flex-shrink:0;}
.faq-item[open] .faq-icon{transform:rotate(180deg);}
.faq-answer{padding:0 24px 22px;font-size:15px;color:var(--ink-2);}

/* ---------- 内容卡片 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;}
.card:hover{transform:translateY(-4px);border-color:var(--brand-soft);box-shadow:var(--shadow-hover);}
.card-media{aspect-ratio:16/10;overflow:hidden;background:var(--brand-soft);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.card:hover .card-media img{transform:scale(1.03);}
.card-body{display:flex;flex-direction:column;gap:10px;flex:1;padding:20px 22px 24px;}
.card-tag{align-self:flex-start;padding:4px 12px;border-radius:999px;background:var(--brand-soft);color:var(--brand);font-size:12px;font-weight:500;}
.card-body h3{font-size:18px;}
.card-body p{font-size:14.5px;color:var(--ink-2);line-height:1.8;}
.card-link{margin-top:auto;display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);}
.card-link i{transition:transform .22s ease;}
.card:hover .card-link i{transform:translateX(4px);}

/* ---------- CTA ---------- */
.cta-band{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;padding:40px 44px;border-radius:var(--radius-l);color:#fff;background:linear-gradient(115deg,var(--brand) 0%,var(--brand-dark) 100%);}
.cta-band h2{font-size:24px;margin-bottom:8px;}
.cta-band p{font-size:15px;color:rgba(255,255,255,.86);}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:88px;padding-top:64px;background:#0F1B18;color:rgba(255,255,255,.72);}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.5fr;gap:40px;padding-bottom:48px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .logo-mark{background:var(--brand);color:#fff;}
.footer-brand .logo-text{color:#fff;font-size:19px;font-weight:700;}
.footer-brand .logo-text span{color:#6FD3BB;}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:16px;}
.footer-list li{margin-bottom:10px;}
.footer-list a{font-size:14px;color:rgba(255,255,255,.7);transition:color .2s ease;}
.footer-list a:hover{color:#6FD3BB;}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:1.7;margin-bottom:12px;color:rgba(255,255,255,.7);}
.footer-contact i{color:#6FD3BB;margin-top:5px;}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:20px 0;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:rgba(255,255,255,.55);}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .container{padding:0 24px;}
  .section{padding:64px 0;}
  .page-hero h1{font-size:32px;}
  .reading-grid{grid-template-columns:1fr;gap:32px;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .site-footer{margin-top:64px;padding-top:52px;}
}
@media (max-width:1023px){
  .top-bar{display:none;}
  .header-inner{height:64px;}
  .nav-links{
    position:absolute;top:calc(100% + 1px);left:-24px;right:-24px;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-radius:0 0 14px 14px;box-shadow:var(--shadow-2);
    padding:8px 0;display:none;
  }
  .nav-links.open{display:flex;}
  .nav-links a{padding:0 20px;height:48px;display:flex;align-items:center;border-radius:0;border-left:3px solid transparent;font-size:15px;}
  .nav-links a:hover{background:var(--brand-soft);}
  .nav-links a.active{background:var(--brand-soft);border-left-color:var(--brand);}
  .nav-links a.active::after{display:none;}
  .nav-toggle{display:grid;}
}
@media (max-width:768px){
  .section{padding:48px 0;}
  .page-hero{padding:44px 0 40px;min-height:240px;}
  .page-hero h1{font-size:28px;}
  .page-hero p{font-size:15px;}
  .section-title{font-size:22px;}
  .notice-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:18px;}
  .notice-main{flex:1 1 100%;order:3;}
  .date-badge{order:1;}
  .type-badge{order:2;}
  .notice-arrow{order:4;margin-left:auto;}
  .card-grid{grid-template-columns:1fr;gap:16px;}
  .cta-band{padding:28px 24px;}
  .cta-band h2{font-size:20px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{margin-top:48px;padding-top:44px;}
  .header-actions .btn{display:none;}
}
@media (max-width:520px){
  .container{padding:0 20px;}
  .page-hero h1{font-size:26px;}
  .logo-text{font-size:17px;}
  .cta-actions .btn{width:100%;}
}

/* roulang page: category3 */
:root{
  --brand:#0E7C66;
  --brand-dark:#0A5C4C;
  --brand-soft:#E6F3EF;
  --accent:#F97316;
  --accent-soft:#FFF1E6;
  --ink:#1A1D21;
  --ink-2:#5A6470;
  --line:#E6E9ED;
  --bg:#F7F8FA;
  --card:#FFFFFF;
  --radius-s:8px;
  --radius-m:14px;
  --radius-l:22px;
  --shadow-1:0 2px 8px rgba(16,32,28,.06);
  --shadow-2:0 10px 28px rgba(16,32,28,.10);
  --shadow-hover:0 16px 36px rgba(14,124,102,.16);
  --container:1200px;
  --section-gap:88px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--brand-soft);color:var(--ink-2);font-size:13px;height:36px;display:flex;align-items:center;}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.topbar-left{display:flex;align-items:center;gap:8px;color:var(--brand-dark);font-weight:500;}
.topbar-left i{color:var(--accent);}
.topbar-right{display:flex;align-items:center;gap:20px;}
.topbar-right a{color:var(--ink-2);}
.topbar-right a:hover{color:var(--brand);}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;box-shadow:0 1px 0 var(--line);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:36px;height:36px;border-radius:10px;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:16px;
  box-shadow:0 4px 12px rgba(14,124,102,.28);
}
.logo-text{font-size:19px;font-weight:700;color:var(--ink);letter-spacing:.2px;}
.logo-text span{color:var(--brand);}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-links a{
  position:relative;display:inline-block;padding:9px 16px;border-radius:999px;
  font-size:15px;font-weight:500;color:var(--ink-2);
}
.nav-links a:hover{background:var(--brand-soft);color:var(--brand);}
.nav-links a.active{color:var(--brand);font-weight:700;}
.nav-links a.active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:1px;height:3px;
  border-radius:3px;background:var(--brand);
}
.nav-actions{display:flex;align-items:center;gap:12px;}
.menu-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:var(--radius-s);
  background:#fff;color:var(--ink);cursor:pointer;font-size:17px;
}
.menu-toggle:hover{background:var(--brand-soft);color:var(--brand);border-color:var(--brand-soft);}
.mobile-panel{display:none;background:#fff;border-top:1px solid var(--line);border-radius:0 0 14px 14px;box-shadow:var(--shadow-2);}
.mobile-panel.open{display:block;}
.mobile-panel a{
  display:block;padding:0 32px;line-height:48px;font-size:15px;color:var(--ink-2);
  border-left:3px solid transparent;
}
.mobile-panel a:hover{background:var(--brand-soft);color:var(--brand);}
.mobile-panel a.active{color:var(--brand);font-weight:700;border-left-color:var(--brand);background:var(--brand-soft);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:var(--radius-s);font-size:15px;font-weight:600;
  border:1.5px solid transparent;cursor:pointer;line-height:1.4;white-space:nowrap;
  transition:all .22s ease;
}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 2px 8px rgba(14,124,102,.22);}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px);box-shadow:var(--shadow-1);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn-outline:hover{background:var(--brand);color:#fff;transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--ink-2);}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand);}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover{background:#e2620c;transform:translateY(-1px);box-shadow:var(--shadow-1);}
.btn-white{background:#fff;color:var(--brand);}
.btn-white:hover{background:var(--brand-soft);transform:translateY(-1px);box-shadow:var(--shadow-1);}
.link-arrow{color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.link-arrow i{transition:transform .22s ease;}
.link-arrow:hover i{transform:translateX(4px);}

/* ---------- 面包屑 ---------- */
.crumb{font-size:14px;color:var(--ink-2);display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#c3cad2;}
.crumb .cur{color:var(--brand);font-weight:600;}

/* ---------- Hero ---------- */
.cat-hero{
  position:relative;min-height:300px;display:flex;align-items:center;
  background-image:linear-gradient(115deg,rgba(10,92,76,.86) 0%,rgba(14,124,102,.74) 55%,rgba(10,92,76,.80) 100%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center 30%;
  color:#fff;overflow:hidden;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.06) 0 2px,transparent 2px 12px);
  pointer-events:none;
}
.cat-hero .container{position:relative;z-index:2;padding-top:56px;padding-bottom:56px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);
  font-size:13px;font-weight:500;margin-bottom:18px;
}
.hero-badge i{color:var(--accent);}
.cat-hero h1{font-size:38px;line-height:1.35;font-weight:700;letter-spacing:.4px;max-width:820px;}
.cat-hero .hero-sub{margin-top:14px;font-size:17px;color:rgba(255,255,255,.9);max-width:680px;line-height:1.8;}
.cat-hero .crumb{margin-top:22px;color:rgba(255,255,255,.78);}
.cat-hero .crumb a{color:rgba(255,255,255,.85);}
.cat-hero .crumb a:hover{color:#fff;}
.cat-hero .crumb .sep{color:rgba(255,255,255,.45);}
.cat-hero .crumb .cur{color:#fff;}

/* ---------- 板块通用 ---------- */
.section{padding:var(--section-gap) 0;}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap;}
.section-head h2{
  position:relative;font-size:26px;font-weight:700;line-height:1.35;padding-left:16px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;background:var(--brand);
}
.section-head p{color:var(--ink-2);font-size:15px;margin-top:8px;padding-left:16px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:500;background:var(--brand-soft);color:var(--brand);
}
.badge-accent{background:var(--accent-soft);color:var(--accent);}

/* ---------- 指标卡 2x2 ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.metric-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-m);
  padding:26px;box-shadow:var(--shadow-1);transition:all .22s ease;position:relative;overflow:hidden;
}
.metric-card::before{
  content:"";position:absolute;left:0;top:0;width:100%;height:3px;
  background:linear-gradient(90deg,var(--brand),rgba(14,124,102,.15));
}
.metric-card:hover{border-color:var(--brand-soft);box-shadow:var(--shadow-hover);transform:translateY(-4px);}
.metric-top{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:14px;}
.metric-label{font-size:15px;font-weight:600;color:var(--ink);}
.metric-icon{
  width:42px;height:42px;border-radius:12px;background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:17px;flex-shrink:0;
}
.metric-num{font-size:32px;font-weight:700;color:var(--brand);line-height:1.2;}
.metric-num small{font-size:15px;font-weight:500;color:var(--ink-2);margin-left:6px;}
.metric-desc{margin-top:10px;font-size:14px;color:var(--ink-2);line-height:1.8;}
.metric-foot{
  margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);
  display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-2);
}

/* ---------- 横向说明条 ---------- */
.guide-bar{
  margin-top:24px;display:grid;grid-template-columns:1.1fr 1fr;gap:0;
  background:var(--brand-dark);border-radius:var(--radius-l);overflow:hidden;color:#fff;
}
.guide-media{position:relative;min-height:260px;background:var(--brand-dark);}
.guide-media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;opacity:.92;}
.guide-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(10,92,76,.15),rgba(10,92,76,.85));
}
.guide-body{padding:38px 40px;display:flex;flex-direction:column;justify-content:center;gap:14px;}
.guide-body h2{font-size:24px;font-weight:700;line-height:1.4;}
.guide-body p{font-size:15px;color:rgba(255,255,255,.82);line-height:1.85;}
.guide-list{display:grid;gap:10px;margin-top:4px;}
.guide-list li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:rgba(255,255,255,.9);}
.guide-list i{color:var(--accent);margin-top:5px;}

/* ---------- 能力卡三列 ---------- */
.cap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.cap-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-m);
  padding:28px;box-shadow:var(--shadow-1);transition:all .22s ease;
}
.cap-card:hover{border-color:var(--brand-soft);box-shadow:var(--shadow-hover);transform:translateY(-4px);}
.cap-icon{
  width:46px;height:46px;border-radius:12px;background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:19px;margin-bottom:18px;
}
.cap-card h3{font-size:18px;font-weight:700;line-height:1.5;margin-bottom:10px;}
.cap-card p{font-size:14.5px;color:var(--ink-2);line-height:1.85;}
.cap-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}

/* ---------- 数据明细表 ---------- */
.table-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);
  overflow:hidden;box-shadow:var(--shadow-1);
}
.table-scroll{overflow-x:auto;}
table.data-table{width:100%;border-collapse:collapse;min-width:720px;}
table.data-table th{
  background:var(--brand-soft);color:var(--brand-dark);font-size:14px;font-weight:600;
  text-align:left;padding:16px 22px;white-space:nowrap;
}
table.data-table td{
  padding:18px 22px;font-size:14.5px;color:var(--ink-2);border-top:1px solid var(--line);vertical-align:middle;
}
table.data-table tbody tr{transition:background-color .2s ease;}
table.data-table tbody tr:hover{background:var(--brand-soft);}
table.data-table td strong{color:var(--ink);font-weight:600;display:block;font-size:15px;}
.table-note{padding:16px 22px;font-size:13px;color:var(--ink-2);border-top:1px solid var(--line);background:#fcfdfd;}

/* ---------- 流程 ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:flow;}
.flow-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);padding:26px 24px;
  box-shadow:var(--shadow-1);transition:all .22s ease;position:relative;
}
.flow-item:hover{border-color:var(--brand-soft);box-shadow:var(--shadow-hover);transform:translateY(-4px);}
.flow-step{
  width:34px;height:34px;border-radius:10px;background:var(--brand);color:#fff;font-size:14px;font-weight:700;
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.flow-item h3{font-size:17px;font-weight:700;margin-bottom:8px;}
.flow-item p{font-size:14px;color:var(--ink-2);line-height:1.85;}

/* ---------- FAQ ---------- */
.faq-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);overflow:hidden;box-shadow:var(--shadow-1);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16px;font-weight:600;color:var(--ink);transition:background-color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:var(--brand-soft);color:var(--brand-dark);}
.faq-item summary .chev{
  width:26px;height:26px;border-radius:50%;background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:12px;flex-shrink:0;transition:transform .22s ease;
}
.faq-item[open] summary .chev{transform:rotate(180deg);}
.faq-item .faq-body{padding:0 24px 22px;font-size:15px;color:var(--ink-2);line-height:1.9;}

/* ---------- 相关内容 ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.rel-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);overflow:hidden;
  box-shadow:var(--shadow-1);transition:all .22s ease;display:flex;flex-direction:column;
}
.rel-card:hover{border-color:var(--brand-soft);box-shadow:var(--shadow-hover);transform:translateY(-4px);}
.rel-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--brand-soft);}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.03);}
.rel-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.rel-body h3{font-size:17px;font-weight:700;line-height:1.5;}
.rel-body p{font-size:14px;color:var(--ink-2);line-height:1.8;}
.rel-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-2);}

/* ---------- CTA ---------- */
.cta-band{
  background:linear-gradient(115deg,var(--brand) 0%,var(--brand-dark) 100%);
  border-radius:var(--radius-l);padding:44px 48px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:var(--shadow-2);position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 2px,transparent 2px 14px);
  pointer-events:none;
}
.cta-band h2{font-size:24px;font-weight:700;line-height:1.4;position:relative;z-index:2;}
.cta-band p{margin-top:8px;font-size:15px;color:rgba(255,255,255,.85);position:relative;z-index:2;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2;}

/* ---------- 页脚 ---------- */
.site-footer{background:#0F1B18;color:rgba(255,255,255,.72);margin-top:var(--section-gap);}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px;
  padding:64px 0 44px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .logo-mark{background:var(--brand);}
.footer-brand .logo-text{color:#fff;}
.footer-brand .logo-text span{color:#4fd1b0;}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.68);}
.site-footer h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;}
.footer-list li{margin-bottom:12px;}
.footer-list a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-list a:hover{color:#4fd1b0;}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:rgba(255,255,255,.72);margin-bottom:14px;line-height:1.7;}
.footer-contact i{color:#4fd1b0;margin-top:6px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .container{padding:0 32px;}
}
@media (max-width:1024px){
  :root{--section-gap:64px;}
  .nav-links{display:none;}
  .menu-toggle{display:flex;align-items:center;justify-content:center;}
  .nav-actions .btn{display:none;}
  .cat-hero h1{font-size:32px;}
  .cap-grid{grid-template-columns:repeat(2,1fr);}
  .flow-grid{grid-template-columns:repeat(2,1fr);}
  .rel-grid{grid-template-columns:repeat(2,1fr);}
  .guide-bar{grid-template-columns:1fr;}
  .guide-media{min-height:220px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:52px 0 36px;}
}
@media (max-width:768px){
  :root{--section-gap:48px;}
  .container{padding:0 20px;}
  .topbar{display:none;}
  .nav-inner{height:64px;}
  .logo-text{font-size:17px;}
  .cat-hero{min-height:260px;}
  .cat-hero h1{font-size:27px;}
  .cat-hero .hero-sub{font-size:15px;}
  .cat-hero .container{padding-top:44px;padding-bottom:44px;}
  .metric-grid{grid-template-columns:1fr;gap:16px;}
  .cap-grid{grid-template-columns:1fr;gap:16px;}
  .flow-grid{grid-template-columns:1fr;gap:16px;}
  .rel-grid{grid-template-columns:1fr;gap:16px;}
  .section-head h2{font-size:22px;}
  .cta-band{padding:32px 24px;}
  .cta-band h2{font-size:20px;}
  .guide-body{padding:28px 24px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (max-width:520px){
  .cat-hero h1{font-size:24px;}
  .metric-num{font-size:28px;}
  .btn{padding:10px 18px;font-size:14px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;}
}

/* roulang page: category4 */
:root{
  --brand:#0E7C66;
  --brand-dark:#0A5C4C;
  --brand-soft:#E6F3EF;
  --accent:#F97316;
  --accent-soft:#FFF1E6;
  --ink:#1A1D21;
  --ink-2:#5A6470;
  --line:#E6E9ED;
  --bg:#F7F8FA;
  --card:#FFFFFF;
  --radius-s:8px;
  --radius-m:14px;
  --radius-l:22px;
  --shadow-1:0 2px 8px rgba(16,32,28,.06);
  --shadow-2:0 10px 28px rgba(16,32,28,.10);
  --shadow-hover:0 16px 36px rgba(14,124,102,.16);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:color .2s ease}
img{max-width:100%;display:block}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}

/* ============ 顶部信息条 ============ */
.topbar{
  background:var(--brand-soft);
  border-bottom:1px solid rgba(14,124,102,.10);
}
.topbar-inner{
  height:36px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--ink-2);
}
.topbar-note{
  display:inline-flex;
  align-items:center;
  gap:8px;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
  max-width:60%;
}
.topbar-note::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--brand);
  flex:0 0 auto;
}
.topbar-actions{display:flex;align-items:center;gap:18px}
.topbar-actions a{color:var(--ink-2)}
.topbar-actions a:hover{color:var(--brand)}
@media (max-width:767px){.topbar{display:none}}

/* ============ 站头 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-main{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  padding-top:14px;
  padding-bottom:14px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.logo-mark{
  width:36px;height:36px;
  border-radius:10px;
  background:var(--brand);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  font-size:17px;
  box-shadow:0 6px 14px rgba(14,124,102,.28);
}
.logo-text{
  font-weight:700;
  font-size:19px;
  color:var(--ink);
  letter-spacing:-.01em;
}
.logo-text span{color:var(--brand);margin-left:2px}

.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  flex:1 1 auto;
  justify-content:center;
}
.nav-links a{
  position:relative;
  padding:9px 15px;
  border-radius:999px;
  font-size:15px;
  font-weight:500;
  color:var(--ink-2);
  white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.nav-links a:hover{background:var(--brand-soft);color:var(--brand)}
.nav-links a.active{color:var(--brand);font-weight:700}
.nav-links a.active::after{
  content:"";
  position:absolute;
  left:50%;
  transform:translateX(-50%);
  bottom:1px;
  width:18px;height:3px;
  border-radius:2px;
  background:var(--brand);
}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:10px;
  color:var(--ink);
  font-size:19px;
  align-items:center;
  justify-content:center;
  border:1px solid var(--line);
  background:#fff;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 22px;
  border-radius:var(--radius-s);
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  transition:all .22s ease;
  border:1.5px solid transparent;
  white-space:nowrap;
}
.btn-primary{
  background:var(--brand);
  color:#fff;
  box-shadow:0 4px 12px rgba(14,124,102,.22);
}
.btn-primary:hover{
  background:var(--brand-dark);
  transform:translateY(-1px);
  box-shadow:var(--shadow-1);
}
.btn-primary:active{transform:translateY(0)}
.btn-outline{
  background:transparent;
  color:var(--brand);
  border-color:var(--brand);
}
.btn-outline:hover{background:var(--brand);color:#fff}
.btn-soft{
  background:var(--brand-soft);
  color:var(--brand);
}
.btn-soft:hover{background:var(--brand);color:#fff}
.btn-ghost{color:var(--ink-2)}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand)}
.btn-accent{
  background:var(--accent);
  color:#fff;
  box-shadow:0 4px 12px rgba(249,115,22,.24);
}
.btn-accent:hover{background:#e2620d;transform:translateY(-1px)}

.header-cta{flex:0 0 auto}

@media (max-width:1023px){
  .nav-toggle{display:inline-flex}
  .nav-links{
    position:absolute;
    top:100%;
    left:0;right:0;
    flex-direction:column;
    align-items:stretch;
    gap:2px;
    background:#fff;
    border-radius:0 0 var(--radius-m) var(--radius-m);
    padding:10px 12px 14px;
    box-shadow:var(--shadow-2);
    display:none;
    justify-content:flex-start;
  }
  .nav-links.open{display:flex}
  .nav-links a{
    line-height:48px;
    padding:0 16px;
    border-radius:10px;
    font-size:15.5px;
  }
  .nav-links a.active{background:var(--brand-soft);border-left:3px solid var(--brand)}
  .nav-links a.active::after{display:none}
  .header-cta{display:none}
}
@media (max-width:640px){
  .container{padding:0 20px}
  .logo-text{font-size:17px}
}

/* ============ 内页 Hero ============ */
.page-hero{
  position:relative;
  background-color:var(--brand-dark);
  background-size:cover;
  background-position:center 62%;
  color:#fff;
  padding:44px 0 54px;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 2px,transparent 2px 10px);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:14px;
  color:rgba(255,255,255,.78);
  margin-bottom:16px;
}
.breadcrumb a{color:rgba(255,255,255,.78)}
.breadcrumb a:hover{color:#fff}
.breadcrumb span{color:rgba(255,255,255,.45)}
.breadcrumb em{font-style:normal;color:#fff;font-weight:600}
.page-hero h1{
  font-size:38px;
  line-height:1.3;
  margin-bottom:12px;
}
.hero-sub{
  font-size:16px;
  color:rgba(255,255,255,.86);
  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:999px;
  font-size:13px;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.22);
  color:#fff;
}
@media (max-width:768px){
  .page-hero{padding:32px 0 40px}
  .page-hero h1{font-size:27px}
  .hero-sub{font-size:15px}
}

/* ============ 板块 ============ */
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section + .section{padding-top:0}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:30px;
  flex-wrap:wrap;
}
.section-head h2{
  font-size:26px;
  display:inline-flex;
  align-items:center;
  gap:12px;
}
.section-head h2::before{
  content:"";
  width:4px;height:20px;
  border-radius:3px;
  background:var(--brand);
  flex:0 0 auto;
}
.section-head p{
  color:var(--ink-2);
  font-size:15px;
  margin-top:8px;
}
.section-badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 13px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:600;
  background:var(--brand-soft);
  color:var(--brand);
  margin-bottom:12px;
}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--brand);
  font-weight:600;
  font-size:15px;
}
.text-link i{transition:transform .22s ease}
.text-link:hover i{transform:translateX(4px)}
@media (max-width:768px){.section{padding:48px 0}.section-tight{padding:40px 0}}

/* ============ 帮助入口卡 ============ */
.help-cats{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
  margin-bottom:56px;
}
.help-cat{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  padding:22px 20px;
  display:flex;
  flex-direction:column;
  gap:10px;
  transition:all .22s ease;
  box-shadow:var(--shadow-1);
}
.help-cat:hover{
  border-color:var(--brand);
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
}
.help-cat i{
  width:40px;height:40px;
  border-radius:12px;
  background:var(--brand-soft);
  color:var(--brand);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:17px;
}
.help-cat h3{font-size:16.5px}
.help-cat p{font-size:13.5px;color:var(--ink-2);line-height:1.7}
@media (max-width:1023px){.help-cats{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:520px){.help-cats{grid-template-columns:1fr;margin-bottom:40px}}

/* ============ FAQ 布局 ============ */
.faq-layout{
  display:grid;
  grid-template-columns:264px minmax(0,1fr);
  gap:36px;
  align-items:start;
}
.faq-toc{position:sticky;top:96px}
.toc-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  padding:22px 20px;
  box-shadow:var(--shadow-1);
}
.toc-label{
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--ink-2);
  text-transform:uppercase;
  margin-bottom:14px;
}
.toc-list{display:flex;flex-direction:column;gap:4px}
.toc-list a{
  display:block;
  padding:10px 14px;
  border-radius:10px;
  font-size:14.5px;
  color:var(--ink-2);
  border-left:3px solid transparent;
  transition:all .2s ease;
}
.toc-list a:hover{background:var(--brand-soft);color:var(--brand)}
.toc-list a.active{
  background:var(--brand-soft);
  color:var(--brand);
  font-weight:600;
  border-left-color:var(--brand);
}
.toc-help{
  margin-top:20px;
  padding-top:18px;
  border-top:1px solid var(--line);
  text-align:left;
}
.toc-help i{color:var(--brand);font-size:19px;margin-bottom:8px;display:block}
.toc-help p{font-size:14px;font-weight:600;margin-bottom:12px}
.toc-help .btn{width:100%;font-size:14px;padding:10px 16px}

.faq-main{display:flex;flex-direction:column;gap:40px}
.faq-group{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  padding:28px 28px 16px;
  box-shadow:var(--shadow-1);
  scroll-margin-top:96px;
}
.faq-group > h2{
  font-size:21px;
  margin-bottom:18px;
  padding-bottom:16px;
  border-bottom:1px dashed var(--line);
  display:flex;
  align-items:center;
  gap:12px;
}
.faq-group > h2 span{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;height:34px;
  border-radius:10px;
  background:var(--brand-soft);
  color:var(--brand);
  font-size:15px;
  flex:0 0 auto;
}
.faq-item{
  border-bottom:1px solid var(--line);
  transition:background .2s ease;
}
.faq-item:last-child{border-bottom:0}
.faq-q{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:18px 4px;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  cursor:pointer;
  list-style:none;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--brand)}
.faq-q::-webkit-details-marker{display:none}
.faq-q::after{
  content:"";
  flex:0 0 auto;
  width:9px;height:9px;
  border-right:2px solid var(--brand);
  border-bottom:2px solid var(--brand);
  transform:rotate(45deg) translateY(-3px);
  transition:transform .22s ease;
  margin-right:4px;
}
.faq-item[open] > .faq-q{color:var(--brand)}
.faq-item[open] > .faq-q::after{transform:rotate(-135deg) translateY(-2px)}
.faq-a{
  padding:0 4px 20px;
  color:var(--ink-2);
  font-size:15px;
  line-height:1.9;
  max-width:760px;
}
.faq-a strong{color:var(--ink)}

@media (max-width:1023px){
  .faq-layout{grid-template-columns:1fr;gap:28px}
  .faq-toc{position:static}
  .faq-group{padding:22px 20px 12px;border-radius:var(--radius-m)}
  .faq-q{font-size:15.5px}
}

/* ============ 联系表单 ============ */
.contact-wrap{
  display:grid;
  grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);
  gap:36px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  padding:40px;
  box-shadow:var(--shadow-1);
}
.contact-info h2{font-size:24px;margin-bottom:12px}
.contact-info > p{color:var(--ink-2);font-size:15px;margin-bottom:22px}
.contact-points{display:flex;flex-direction:column;gap:12px}
.contact-points li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:14.5px;
  color:var(--ink-2);
}
.contact-points i{color:var(--brand);margin-top:5px;flex:0 0 auto}

.contact-form{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:14px;font-weight:600;color:var(--ink)}
.field input,
.field textarea{
  width:100%;
  border:1px solid var(--line);
  border-radius:10px;
  padding:12px 15px;
  font-size:15px;
  background:#FBFCFC;
  color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
  resize:vertical;
}
.field input::placeholder,
.field textarea::placeholder{color:#9AA4AF}
.field input:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--brand);
  background:#fff;
  box-shadow:0 0 0 3px rgba(14,124,102,.18);
}
.form-foot{
  grid-column:1 / -1;
  display:flex;
  align-items:center;
  gap:16px;
  flex-wrap:wrap;
  margin-top:4px;
}
.form-msg{font-size:14px;color:var(--brand);font-weight:600}
@media (max-width:900px){
  .contact-wrap{grid-template-columns:1fr;padding:28px 22px;gap:28px}
  .contact-form{grid-template-columns:1fr}
}

/* ============ 卡片网格 ============ */
.card-grid{display:grid;gap:24px}
.card-grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
@media (max-width:1023px){.card-grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){.card-grid-3{grid-template-columns:1fr;gap:16px}}

.content-card{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:all .22s ease;
}
.content-card:hover{
  border-color:var(--brand-soft);
  box-shadow:var(--shadow-hover);
  transform:translateY(-4px);
}
.card-thumb{
  height:170px;
  background-color:var(--brand-soft);
  background-size:cover;
  background-position:center;
  position:relative;
  overflow:hidden;
}
.card-thumb::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(14,124,102,0) 45%,rgba(10,92,76,.30) 100%);
}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px}
.card-body h3{font-size:17px;line-height:1.5}
.card-body p{font-size:14px;color:var(--ink-2);line-height:1.75}
.badge{
  align-self:flex-start;
  display:inline-flex;
  align-items:center;
  padding:4px 11px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  background:var(--brand-soft);
  color:var(--brand);
}
.badge-accent{background:var(--accent-soft);color:#C2410C}

/* ============ CTA 条 ============ */
.cta-band{
  background:linear-gradient(120deg,var(--brand) 0%,var(--brand-dark) 100%);
  border-radius:var(--radius-l);
  padding:40px 44px;
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  flex-wrap:wrap;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.06) 0 2px,transparent 2px 12px);
  pointer-events:none;
}
.cta-band > *{position:relative;z-index:2}
.cta-band h3{font-size:22px;margin-bottom:8px}
.cta-band p{font-size:14.5px;color:rgba(255,255,255,.85)}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.cta-actions .btn-primary{background:#fff;color:var(--brand)}
.cta-actions .btn-primary:hover{background:#F1F5F4;color:var(--brand-dark)}
@media (max-width:640px){.cta-band{padding:30px 24px}}

/* ============ 页脚 ============ */
.site-footer{
  background:#0F1B18;
  color:rgba(255,255,255,.72);
  margin-top:88px;
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.3fr;
  gap:36px;
  padding-bottom:44px;
}
.site-footer h4{
  color:#fff;
  font-size:15.5px;
  margin-bottom:18px;
  font-weight:700;
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
}
.footer-brand .logo-mark{box-shadow:none}
.footer-brand .logo-text{color:#fff;font-size:18px}
.footer-brand .logo-text span{color:#4FCFAF}
.site-footer p{font-size:14px;line-height:1.8;max-width:300px}
.footer-list{display:flex;flex-direction:column;gap:10px}
.footer-list a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-list a:hover{color:#4FCFAF}
.footer-contact{display:flex;flex-direction:column;gap:12px}
.footer-contact li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:13.5px;
  line-height:1.7;
  color:rgba(255,255,255,.7);
}
.footer-contact i{color:#4FCFAF;margin-top:5px;flex:0 0 auto}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);
  padding:20px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.55);
}
@media (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:640px){
  .footer-grid{grid-template-columns:1fr}
  .site-footer{margin-top:56px;padding-top:48px}
}