/* roulang page: index */
:root{
  --c-primary:#135C46;
  --c-primary-dark:#0C3D2E;
  --c-primary-light:#E4EFE9;
  --c-accent:#E0662B;
  --c-accent-light:#FBE7DA;
  --c-bg:#F7F5F0;
  --c-panel:#FFFFFF;
  --c-alt:#EEF2EE;
  --c-text:#14201C;
  --c-muted:#6C7772;
  --c-disabled:#A9B0AB;
  --c-border:#DCD8CD;
  --c-border-soft:#ECEAE3;
  --c-danger:#C0392B;
  --r-card:14px;
  --r-btn:10px;
  --r-input:10px;
  --r-badge:999px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(20,32,28,.06);
  --sh-2:0 10px 28px rgba(20,32,28,.10);
  --sh-3:0 16px 40px rgba(20,32,28,.14);
  --s1:4px;--s2:8px;--s3:12px;--s4:16px;--s5:24px;--s6:32px;--s7:48px;--s8:72px;--s9:96px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:17px;
  line-height:1.9;
  letter-spacing:.2px;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:var(--c-primary);text-decoration:none;transition:color .15s ease;}
a:hover{color:var(--c-primary-dark);}
h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:.5px;color:var(--c-text);}
h1{font-size:42px;line-height:1.28;}
h2{font-size:30px;line-height:1.35;}
h3{font-size:20px;line-height:1.5;}
h4{font-size:17px;line-height:1.5;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
.num{font-variant-numeric:tabular-nums;letter-spacing:.5px;}
.container{max-width:1240px;padding-left:24px;padding-right:24px;}
@media (min-width:1400px){.container{max-width:1320px;}}
@media (max-width:991.98px){.container{padding-left:20px;padding-right:20px;}}
@media (max-width:575.98px){.container{padding-left:16px;padding-right:16px;}}
.section{padding:88px 0;}
@media (max-width:991.98px){.section{padding:64px 0;}}
@media (max-width:575.98px){.section{padding:48px 0;}}
.bg-alt{background:var(--c-alt);}
.bg-panel{background:var(--c-panel);}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:40px;}
.sec-head h2{position:relative;padding-left:16px;}
.sec-head h2::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:2px;background:var(--c-primary);}
.sec-head .sec-note{font-size:13px;color:var(--c-muted);line-height:1.7;}
.sec-lead{margin-top:10px;font-size:16px;color:var(--c-muted);padding-left:16px;}
.row-gutter{--bs-gutter-x:24px;--bs-gutter-y:24px;margin-left:calc(-1 * var(--bs-gutter-x) / 2);margin-right:calc(-1 * var(--bs-gutter-x) / 2);}
@media (max-width:575.98px){.row-gutter{--bs-gutter-x:16px;--bs-gutter-y:16px;}}

/* 头部 */
.site-header{position:relative;z-index:1030;}
.brandbar{background:var(--c-primary);}
.brandbar-inner{height:68px;display:flex;align-items:center;gap:24px;}
.brand{display:flex;align-items:center;gap:12px;color:#fff;flex-shrink:0;}
.brand:hover{color:#fff;}
.brand-mark{width:38px;height:38px;border-radius:10px;background:var(--c-accent);color:#fff;display:flex;align-items:center;justify-content:center;font-size:19px;font-weight:700;flex-shrink:0;}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-name{font-size:18px;font-weight:600;letter-spacing:.5px;white-space:nowrap;}
.brand-sub{font-size:12px;color:rgba(255,255,255,.72);white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.main-nav .nav-link{color:rgba(255,255,255,.85);font-size:15px;padding:10px 14px;border-radius:8px;line-height:1;transition:background .18s ease,color .18s ease;}
.main-nav .nav-link:hover{background:rgba(255,255,255,.12);color:#fff;}
.main-nav .nav-link.is-active{color:#fff;background:rgba(255,255,255,.16);}
.brandbar-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.main-nav + .brandbar-actions{margin-left:0;}
.icon-btn{width:40px;height:40px;border-radius:10px;border:1px solid rgba(255,255,255,.3);background:transparent;color:#fff;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:background .18s ease;}
.icon-btn:hover{background:rgba(255,255,255,.14);}
.ghost-link{height:38px;padding:0 16px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.48);color:#fff;font-size:14px;display:inline-flex;align-items:center;transition:background .18s ease;}
.ghost-link:hover{background:rgba(255,255,255,.14);color:#fff;}
.btn-accent{background:var(--c-accent);color:#fff;border:1px solid var(--c-accent);height:38px;padding:0 18px;border-radius:var(--r-btn);font-size:14px;display:inline-flex;align-items:center;gap:6px;transition:background .18s ease,transform .18s ease,box-shadow .18s ease;}
.btn-accent:hover{background:#C9561F;border-color:#C9561F;color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(224,102,43,.28);}
.menu-toggle{width:40px;height:40px;border-radius:10px;border:1px solid rgba(255,255,255,.3);background:transparent;color:#fff;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;}
.channelbar{background:var(--c-panel);border-bottom:1px solid var(--c-border);}
.channelbar-inner{height:52px;display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none;}
.channelbar-inner::-webkit-scrollbar{display:none;}
.channel-link{position:relative;flex:0 0 auto;font-size:15px;color:var(--c-muted);padding:0 16px;height:52px;display:inline-flex;align-items:center;transition:background .18s ease,color .18s ease;}
.channel-link:hover{background:var(--c-primary-light);color:var(--c-primary);}
.channel-link.is-active{color:var(--c-primary);font-weight:600;}
.channel-link.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:0;height:3px;border-radius:3px 3px 0 0;background:var(--c-accent);}
.mobile-drawer{display:none;background:var(--c-panel);border-bottom:1px solid var(--c-border);padding:8px 0 16px;}
.mobile-drawer.is-open{display:block;}
.drawer-group{padding:8px 0;}
.drawer-title{font-size:13px;color:var(--c-muted);padding:8px 24px;}
.drawer-link{display:flex;align-items:center;min-height:44px;padding:0 24px;font-size:16px;color:var(--c-text);}
.drawer-link:hover{background:var(--c-alt);color:var(--c-primary);}

/* Hero */
.hero{position:relative;background-image:linear-gradient(135deg,#135C46 0%,rgba(19,92,70,.55) 100%),url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;padding:96px 0 72px;color:#fff;}
.hero-inner{max-width:640px;}
.hero-brand{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.88);background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);padding:6px 14px;border-radius:var(--r-badge);margin-bottom:20px;}
.hero h1{color:#fff;font-size:42px;line-height:1.28;}
.hero-lead{margin-top:18px;font-size:19px;line-height:1.7;color:rgba(255,255,255,.92);max-width:560px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.hero-tag{background:var(--c-primary-light);color:var(--c-primary-dark);font-size:14px;padding:6px 14px;border-radius:var(--r-badge);line-height:1.4;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.btn-main{height:48px;padding:0 28px;border-radius:var(--r-btn);background:var(--c-primary);color:#fff;border:1px solid var(--c-primary);display:inline-flex;align-items:center;gap:8px;font-size:16px;transition:background .18s ease,transform .18s ease,box-shadow .18s ease;}
.btn-main:hover{background:var(--c-primary-dark);border-color:var(--c-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(12,61,46,.32);}
.btn-main:active{transform:translateY(0);}
.btn-line{height:48px;padding:0 26px;border-radius:var(--r-btn);background:#fff;color:var(--c-primary);border:1px solid var(--c-primary);display:inline-flex;align-items:center;gap:8px;font-size:16px;transition:background .18s ease,transform .18s ease;}
.btn-line:hover{background:var(--c-primary-light);color:var(--c-primary-dark);transform:translateY(-1px);}
.hero-stats{margin-top:56px;background:rgba(255,255,255,.94);border-radius:var(--r-card);box-shadow:var(--sh-2);padding:22px 8px;display:grid;grid-template-columns:repeat(4,1fr);}
.hero-stat{padding:0 20px;border-right:1px solid var(--c-border-soft);}
.hero-stat:last-child{border-right:0;}
.hero-stat b{display:block;font-size:26px;font-weight:700;color:var(--c-primary);line-height:1.3;font-variant-numeric:tabular-nums;}
.hero-stat span{font-size:13.5px;color:var(--c-muted);}
@media (max-width:991.98px){
  .hero{padding:64px 0 56px;}
  .hero h1{font-size:32px;}
  .hero-lead{font-size:17px;}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:20px 0;padding:20px 4px;}
  .hero-stat:nth-child(2){border-right:0;}
  .hero-stat:nth-child(1),.hero-stat:nth-child(2){border-bottom:1px solid var(--c-border-soft);padding-bottom:16px;}
}
@media (max-width:575.98px){
  .hero h1{font-size:30px;}
  .hero-stats{grid-template-columns:1fr 1fr;}
  .hero-stat{padding:0 14px;}
  .hero-stat b{font-size:22px;}
}

/* 指标看板 */
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.kpi{padding:8px 28px;border-right:1px solid var(--c-border-soft);position:relative;}
.kpi:last-child{border-right:0;}
.kpi::after{content:"";position:absolute;left:28px;bottom:6px;width:8px;height:8px;border-radius:2px;background:var(--c-accent);transform:rotate(45deg);}
.kpi b{display:block;font-size:56px;font-weight:700;line-height:1.1;color:var(--c-primary);font-variant-numeric:tabular-nums;}
.kpi b i{font-style:normal;font-size:22px;font-weight:600;margin-left:6px;color:var(--c-muted);}
.kpi span{display:block;margin-top:10px;font-size:14px;color:var(--c-muted);}
@media (max-width:991.98px){
  .kpi-grid{grid-template-columns:repeat(2,1fr);gap:28px 0;}
  .kpi{border-right:0;border-bottom:1px solid var(--c-border-soft);padding-bottom:22px;}
  .kpi:nth-child(2n){border-right:0;}
  .kpi:nth-last-child(-n+2){border-bottom:0;padding-bottom:8px;}
  .kpi b{font-size:42px;}
}
@media (max-width:575.98px){
  .kpi b{font-size:34px;}
  .kpi{padding:0 6px 20px;}
  .kpi::after{left:6px;}
}

/* 服务矩阵 */
.svc-card{display:flex;flex-direction:column;justify-content:space-between;height:100%;background:var(--c-panel);border:1px solid var(--c-border);border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;}
.svc-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(19,92,70,.4);}
.svc-no{font-size:14px;font-weight:700;color:var(--c-disabled);font-variant-numeric:tabular-nums;letter-spacing:1px;transition:color .22s ease;}
.svc-card:hover .svc-no{color:var(--c-accent);}
.svc-card h3{margin:12px 0 10px;}
.svc-card p{font-size:15.5px;color:var(--c-muted);line-height:1.8;}
.arrow-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;color:var(--c-primary);margin-top:18px;}
.arrow-link i{font-style:normal;transition:transform .2s ease;}
.arrow-link:hover i{transform:translateX(3px);}
.svc-wide{display:grid;grid-template-columns:1.05fr .95fr;gap:24px;align-items:center;padding:24px;}
.svc-wide figure{margin:0;border-radius:var(--r-img);overflow:hidden;background:var(--c-alt);}
.svc-wide figure img{width:100%;height:100%;min-height:240px;object-fit:cover;border-radius:var(--r-img);}
.svc-wide .svc-wide-body{padding:8px 4px;}
@media (max-width:767.98px){
  .svc-wide{grid-template-columns:1fr;}
  .svc-wide figure img{min-height:200px;}
}

/* 结果对比 */
.compare{background:var(--c-panel);border:1px solid var(--c-border);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);}
.compare-head{display:grid;grid-template-columns:1fr 1fr;background:var(--c-primary);color:#fff;font-size:15px;font-weight:600;}
.compare-head span{padding:16px 24px;}
.compare-head span:last-child{border-left:1px solid rgba(255,255,255,.2);}
.compare-row{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--c-border-soft);}
.compare-row:first-of-type{border-top:0;}
.compare-cell{display:flex;align-items:center;gap:12px;min-height:56px;padding:14px 24px;font-size:15.5px;line-height:1.6;}
.compare-left{background:#F2F1ED;color:var(--c-muted);}
.compare-right{background:var(--c-primary-light);color:var(--c-text);border-left:1px solid var(--c-border-soft);}
.diff-badge{flex-shrink:0;margin-left:auto;background:var(--c-accent-light);color:#A8481A;font-size:13px;padding:4px 10px;border-radius:var(--r-badge);white-space:nowrap;}
@media (max-width:767.98px){
  .compare-head{grid-template-columns:1fr;}
  .compare-head span:last-child{border-left:0;border-top:1px solid rgba(255,255,255,.2);}
  .compare-row{grid-template-columns:1fr;}
  .compare-right{border-left:0;border-top:1px solid var(--c-border-soft);}
  .compare-cell{min-height:auto;padding:14px 18px;}
}

/* 最新信息 */
.news-card{display:flex;flex-direction:column;height:100%;background:var(--c-panel);border:1px solid var(--c-border);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;color:inherit;}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(19,92,70,.4);}
.news-cover{position:relative;aspect-ratio:3/2;background:var(--c-alt);overflow:hidden;}
.news-cover img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.news-cover .badge-soft{position:absolute;left:12px;top:12px;}
.badge-soft{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-badge);background:var(--c-primary-light);color:var(--c-primary-dark);font-size:13px;line-height:1;}
.badge-accent{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-badge);background:var(--c-accent-light);color:#A8481A;font-size:13px;line-height:1;}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.news-title{font-size:18px;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .18s ease;}
.news-card:hover .news-title{color:var(--c-primary);}
.news-desc{margin-top:10px;font-size:14.5px;color:var(--c-muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-foot{margin-top:auto;padding-top:18px;display:flex;align-items:center;justify-content:space-between;font-size:13.5px;color:var(--c-muted);border-top:1px solid var(--c-border-soft);margin-top:18px;}
.news-foot .arrow-link{margin-top:0;font-size:13.5px;}
.empty-state{background:var(--c-panel);border:1px dashed var(--c-border);border-radius:var(--r-card);padding:48px 24px;text-align:center;}
.empty-state .empty-icon{width:96px;height:96px;margin:0 auto 18px;border-radius:50%;background:var(--c-primary-light);display:flex;align-items:center;justify-content:center;color:var(--c-primary);font-size:32px;}
.empty-state p{color:var(--c-muted);font-size:15px;margin-bottom:14px;}

/* FAQ */
.faq-aside h2{position:relative;padding-left:16px;}
.faq-aside h2::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:2px;background:var(--c-primary);}
.faq-aside p{margin-top:16px;font-size:15.5px;color:var(--c-muted);}
@media (min-width:992px){.faq-aside{position:sticky;top:24px;}}
.faq-accordion .accordion-item{background:var(--c-panel);border:1px solid var(--c-border);border-radius:var(--r-card);margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-1);}
.faq-accordion .accordion-item:last-child{margin-bottom:0;}
.faq-accordion .accordion-button{position:relative;background:var(--c-panel);border:0;box-shadow:none;font-size:17px;font-weight:600;color:var(--c-text);padding:18px 56px 18px 22px;line-height:1.6;}
.faq-accordion .accordion-button:not(.collapsed){color:var(--c-primary);background:var(--c-panel);}
.faq-accordion .accordion-button::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;background:var(--c-accent);opacity:0;transition:opacity .2s ease;}
.faq-accordion .accordion-button:not(.collapsed)::before{opacity:1;}
.faq-accordion .accordion-button::after{background-image:none;content:"+";width:auto;height:auto;font-size:22px;line-height:1;color:var(--c-primary);transform:none;transition:none;font-weight:400;}
.faq-accordion .accordion-button:not(.collapsed)::after{content:"−";transform:none;}
.faq-accordion .accordion-button:focus{box-shadow:0 0 0 3px rgba(19,92,70,.14);}
.faq-accordion .accordion-body{padding:0 22px 20px;font-size:16px;line-height:1.9;color:var(--c-muted);}

/* 表单 */
.cta-band{background:linear-gradient(160deg,#0C3D2E 0%,#135C46 100%);color:#fff;padding:88px 0;}
.cta-band h2{color:#fff;}
.cta-points{margin-top:24px;}
.cta-points li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;color:rgba(255,255,255,.88);margin-bottom:12px;line-height:1.7;}
.cta-points li::before{content:"";flex:0 0 auto;width:8px;height:8px;margin-top:9px;border-radius:2px;background:var(--c-accent);}
.cta-contact{margin-top:28px;border-top:1px solid rgba(255,255,255,.18);padding-top:22px;font-size:14.5px;color:rgba(255,255,255,.82);line-height:2;}
.cta-contact b{color:#fff;font-weight:600;}
.form-card{background:var(--c-panel);border-radius:var(--r-card);padding:32px;box-shadow:var(--sh-3);color:var(--c-text);}
.form-card h3{margin-bottom:6px;}
.form-tip-top{font-size:13.5px;color:var(--c-muted);margin-bottom:20px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;color:var(--c-text);margin-bottom:8px;}
.field .req{color:var(--c-accent);}
.field input,.field select,.field textarea{width:100%;border:1px solid var(--c-border);border-radius:var(--r-input);background:#fff;padding:0 14px;height:48px;font-size:15px;transition:border-color .18s ease,box-shadow .18s ease;}
.field textarea{height:auto;min-height:112px;padding:12px 14px;line-height:1.8;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{font-size:14px;color:var(--c-disabled);}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(19,92,70,.15);}
.check-line{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--c-muted);line-height:1.7;margin:6px 0 20px;}
.check-line input{width:18px;height:18px;margin-top:5px;flex:0 0 auto;accent-color:var(--c-primary);}
.btn-submit{width:100%;height:48px;border-radius:var(--r-btn);background:var(--c-primary);color:#fff;border:1px solid var(--c-primary);font-size:16px;cursor:pointer;transition:background .18s ease,transform .18s ease,box-shadow .18s ease;}
.btn-submit:hover{background:var(--c-primary-dark);border-color:var(--c-primary-dark);transform:translateY(-1px);box-shadow:0 10px 24px rgba(12,61,46,.28);}
.btn-submit:active{transform:translateY(0);}
.form-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:14px;font-size:13px;color:var(--c-muted);}
#formTip.is-ok{color:var(--c-primary);font-weight:600;}
@media (max-width:991.98px){.cta-band{padding:64px 0;}}
@media (max-width:575.98px){.cta-band{padding:48px 0;}.form-card{padding:22px;}}

/* 页脚 */
.site-footer{background:var(--c-primary-dark);color:rgba(255,255,255,.76);padding:64px 0 0;font-size:14px;}
.footer-brand{display:flex;align-items:center;gap:12px;color:#fff;margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--c-accent);}
.footer-brand-name{font-size:17px;font-weight:600;color:#fff;}
.footer-desc{font-size:14px;line-height:1.85;}
.site-footer h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.5px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:rgba(255,255,255,.76);font-size:14px;transition:color .15s ease;}
.footer-links a:hover{color:#fff;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.16);margin-top:48px;padding:20px 0;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.6);}
@media (max-width:575.98px){.site-footer{padding-top:48px;}}

/* roulang page: article */
:root{
  --ink:#14201C;
  --ink-2:#6C7772;
  --ink-3:#A9B0AB;
  --brand:#135C46;
  --brand-deep:#0C3D2E;
  --brand-soft:#E4EFE9;
  --accent:#E0662B;
  --accent-soft:#FBE7DA;
  --bg:#F7F5F0;
  --panel:#FFFFFF;
  --alt:#EEF2EE;
  --line:#DCD8CD;
  --line-2:#ECEAE3;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(20,32,28,.06);
  --sh-2:0 10px 28px rgba(20,32,28,.10);
  --sh-3:0 16px 40px rgba(20,32,28,.14);
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:24px; --sp-6:32px; --sp-7:48px; --sp-8:72px; --sp-9:96px;
  --dur:.22s;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:17px;
  line-height:1.9;
  letter-spacing:.2px;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color var(--dur) ease,background-color var(--dur) ease,border-color var(--dur) ease;}
a:hover{color:var(--brand-deep);}
h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:.5px;color:var(--ink);}
h1{font-size:42px;line-height:1.28;}
h2{font-size:30px;line-height:1.35;}
h3{font-size:20px;line-height:1.45;}
h4{font-size:17px;line-height:1.5;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.container,.container-fluid{width:100%;margin:0 auto;padding-left:24px;padding-right:24px;max-width:1240px;}
@media (min-width:1200px){.container{max-width:1320px;}}
.row-gutter{margin-left:-12px;margin-right:-12px;}
.row-gutter>[class*="col-"]{padding-left:12px;padding-right:12px;}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:var(--panel);box-shadow:0 1px 0 var(--line);}
.brand-bar{background:var(--brand);color:#fff;}
.brand-bar .container{display:flex;align-items:center;gap:24px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;color:#fff;}
.brand:hover{color:#fff;}
.brand-mark{
  width:34px;height:34px;border-radius:9px;background:#fff;color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:700;
}
.brand-text{font-size:19px;font-weight:600;letter-spacing:.6px;white-space:nowrap;}
.brand-sub{display:block;font-size:12px;line-height:1.4;color:rgba(255,255,255,.72);letter-spacing:.4px;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.main-nav .nav-link{
  color:rgba(255,255,255,.86);font-size:15px;padding:8px 14px;border-radius:8px;white-space:nowrap;
}
.main-nav .nav-link:hover{background:rgba(255,255,255,.12);color:#fff;}
.main-nav .nav-link.is-active{color:#fff;font-weight:600;box-shadow:inset 0 -2px 0 var(--accent);}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:16px;}
.icon-btn{
  width:40px;height:40px;border-radius:10px;border:1px solid rgba(255,255,255,.28);
  background:transparent;color:#fff;display:flex;align-items:center;justify-content:center;transition:background var(--dur) ease;
}
.icon-btn:hover{background:rgba(255,255,255,.14);}
.btn-mini{
  height:40px;padding:0 18px;border-radius:var(--r-btn);background:var(--accent);color:#fff;
  border:1px solid var(--accent);font-size:14px;display:inline-flex;align-items:center;gap:6px;transition:all var(--dur) ease;
}
.btn-mini:hover{background:#c9561f;border-color:#c9561f;color:#fff;}
.nav-toggle{
  width:44px;height:44px;border-radius:10px;border:1px solid rgba(255,255,255,.3);background:transparent;color:#fff;font-size:18px;
  margin-left:auto;
}
.channel-bar{background:var(--panel);border-bottom:1px solid var(--line);}
.channel-inner{display:flex;align-items:center;gap:6px;height:52px;overflow-x:auto;scrollbar-width:none;}
.channel-inner::-webkit-scrollbar{display:none;}
.channel-link{
  position:relative;padding:0 14px;line-height:52px;font-size:15px;color:var(--ink-2);white-space:nowrap;border-radius:8px;transition:all var(--dur) ease;
}
.channel-link:hover{color:var(--brand);background:var(--brand-soft);}
.channel-link.is-active{color:var(--brand);font-weight:600;}
.channel-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;background:var(--accent);border-radius:3px 3px 0 0;
}
.channel-search{
  margin-left:auto;display:flex;align-items:center;gap:8px;color:var(--ink-3);font-size:14px;padding-left:16px;white-space:nowrap;
}
.mobile-menu{background:var(--panel);border-bottom:1px solid var(--line);padding:12px 0 20px;}
.mobile-menu h5{font-size:13px;color:var(--ink-2);font-weight:600;letter-spacing:.6px;margin:14px 0 6px;}
.mobile-menu a{display:flex;align-items:center;min-height:44px;font-size:16px;color:var(--ink);border-radius:8px;padding:0 8px;}
.mobile-menu a:hover{background:var(--alt);}

/* ---------- breadcrumb ---------- */
.crumb-bar{background:var(--alt);border-bottom:1px solid var(--line-2);}
.crumb-inner{display:flex;align-items:center;gap:16px;min-height:72px;padding-top:12px;padding-bottom:12px;flex-wrap:wrap;}
.crumb-list{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-2);min-width:0;}
.crumb-list li{display:flex;align-items:center;gap:8px;min-width:0;}
.crumb-list li+li::before{content:"\f054";font-family:"Font Awesome 6 Free";font-weight:900;font-size:10px;color:var(--ink-3);}
.crumb-current{max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ink);font-weight:600;}
.crumb-badge{
  margin-left:auto;height:26px;padding:0 12px;display:inline-flex;align-items:center;border-radius:999px;
  background:var(--brand-soft);color:var(--brand);font-size:13px;
}

/* ---------- layout ---------- */
.page-main{padding:56px 0 88px;}
.article-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);
  padding:40px;
}
.article-head h1{font-size:38px;line-height:1.3;margin-bottom:16px;}
.meta-line{
  display:flex;flex-wrap:wrap;gap:8px 10px;align-items:center;font-size:14px;color:var(--ink-2);
}
.meta-line .dot{color:var(--ink-3);}
.head-rule{height:1px;background:var(--line-2);margin:24px 0 32px;}

.article-body{font-size:17px;line-height:1.95;color:var(--ink);}
.article-body p{margin:0 0 1em;}
.article-body h2{
  font-size:26px;line-height:1.4;margin:40px 0 16px;padding-left:14px;position:relative;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;width:3px;height:18px;background:var(--accent);border-radius:2px;
}
.article-body h3{font-size:20px;margin:28px 0 12px;}
.article-body h4{font-size:17px;margin:20px 0 10px;color:var(--brand-deep);}
.article-body ul{margin:0 0 18px;}
.article-body ul>li{position:relative;padding-left:20px;line-height:1.7;margin-bottom:8px;}
.article-body ul>li::before{
  content:"";position:absolute;left:0;top:11px;width:6px;height:6px;background:var(--accent);border-radius:1px;
}
.article-body ol{counter-reset:li;margin:0 0 18px;}
.article-body ol>li{position:relative;padding-left:30px;counter-increment:li;line-height:1.7;margin-bottom:8px;}
.article-body ol>li::before{
  content:counter(li,decimal-leading-zero);position:absolute;left:0;top:2px;color:var(--accent);
  font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:.5px;
}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;background:var(--brand-soft);border-left:3px solid var(--brand);
  border-radius:0 var(--r-img) var(--r-img) 0;color:var(--brand-deep);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-img);margin:24px auto;box-shadow:var(--sh-1);}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--ink-2);text-align:center;margin-top:10px;}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:16px;display:block;overflow-x:auto;}
.article-body thead th{background:var(--brand);color:#fff;font-weight:600;padding:12px 14px;white-space:nowrap;}
.article-body tbody td{padding:12px 14px;border-bottom:1px solid var(--line-2);}
.article-body tbody tr:nth-child(even){background:var(--bg);}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.article-body pre{
  background:#0F1A16;color:#E4EFE9;padding:18px;border-radius:var(--r-img);overflow-x:auto;font-size:14px;line-height:1.7;
}
.article-body code{background:var(--alt);padding:2px 6px;border-radius:6px;font-size:14px;}
.notice-card{
  background:var(--brand-soft);border-radius:var(--r-card);padding:20px 22px;margin:28px 0;
}
.notice-card h4{margin-top:0;color:var(--brand-deep);}
.notice-card p:last-child{margin-bottom:0;}

.empty-state{
  text-align:center;padding:48px 0;
}
.empty-icon{
  width:96px;height:96px;border-radius:var(--r-card);background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:34px;margin:0 auto 20px;
}
.empty-state p{color:var(--ink-2);font-size:15px;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:15px;font-weight:600;
}
.link-arrow i{transition:transform var(--dur) ease;}
.link-arrow:hover i{transform:translateX(3px);}

/* ---------- tags & nav bottom ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:36px 0 0;}
.tag{
  height:26px;padding:0 12px;display:inline-flex;align-items:center;border-radius:999px;
  background:var(--brand-soft);color:var(--brand);font-size:13px;transition:all var(--dur) ease;
}
.tag:hover{background:var(--brand);color:#fff;}
.tag.alt{background:var(--accent-soft);color:var(--accent);}
.pager-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:32px;}
.pager-item{
  display:flex;flex-direction:column;gap:6px;background:var(--panel);border:1px solid var(--line);
  border-radius:var(--r-card);padding:18px 20px;box-shadow:var(--sh-1);transition:all var(--dur) ease;
}
.pager-item:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(19,92,70,.4);}
.pager-item span{font-size:13px;color:var(--ink-2);}
.pager-item strong{font-size:16px;color:var(--ink);font-weight:600;}
.pager-item:hover strong{color:var(--brand);}
.pager-next{text-align:right;align-items:flex-end;}

/* ---------- sidebar ---------- */
.side-col{position:relative;}
.side-sticky{position:sticky;top:140px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:22px;
}
.side-card h3{font-size:17px;margin-bottom:16px;display:flex;align-items:center;gap:8px;}
.side-card h3::before{content:"";width:3px;height:16px;background:var(--accent);border-radius:2px;}
.rel-item{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--line-2);transition:all var(--dur) ease;}
.rel-item:last-child{border-bottom:0;padding-bottom:0;}
.rel-item img{width:76px;height:52px;object-fit:cover;border-radius:8px;background:var(--alt);flex:none;}
.rel-item strong{display:block;font-size:15px;font-weight:600;line-height:1.5;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-item span{font-size:13px;color:var(--ink-2);}
.rel-item:hover strong{color:var(--brand);}
.side-channel{background:var(--brand-soft);border-color:transparent;}
.side-channel ul li+li{margin-top:10px;}
.side-channel a{display:flex;align-items:center;gap:8px;font-size:15px;color:var(--brand-deep);min-height:26px;}
.side-channel a:hover{color:var(--accent);}
.side-cta{background:linear-gradient(150deg,var(--brand-deep),var(--brand));border:0;color:#fff;}
.side-cta h3{color:#fff;}
.side-cta h3::before{background:var(--accent);}
.side-cta p{color:rgba(255,255,255,.82);font-size:15px;line-height:1.8;}
.side-cta .btn-ghost{margin-top:8px;}

/* ---------- buttons ---------- */
.btn-main,.btn-ghost,.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 28px;
  border-radius:var(--r-btn);font-size:16px;font-weight:600;transition:all var(--dur) ease;border:1px solid transparent;
}
.btn-main{background:var(--brand);color:#fff;border-color:var(--brand);box-shadow:var(--sh-1);}
.btn-main:hover{background:var(--brand-deep);border-color:var(--brand-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-main:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-line{background:#fff;color:var(--brand);border-color:var(--brand);}
.btn-line:hover{background:var(--brand-soft);color:var(--brand-deep);}
.btn-line:active{background:#d6e6dd;}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;}
.btn-sm{height:44px;padding:0 20px;font-size:15px;}

/* ---------- cta band ---------- */
.cta-band{background:linear-gradient(120deg,var(--brand-deep),var(--brand));color:#fff;border-radius:var(--r-card);padding:36px 40px;margin-top:48px;}
.cta-band .cta-grid{display:flex;align-items:center;gap:32px;flex-wrap:wrap;}
.cta-band h2{color:#fff;font-size:26px;margin-bottom:8px;}
.cta-band p{color:rgba(255,255,255,.82);margin:0;font-size:15px;}
.cta-band .cta-actions{margin-left:auto;display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- footer ---------- */
.site-footer{background:linear-gradient(180deg,var(--brand),var(--brand-deep));color:rgba(255,255,255,.86);padding:64px 0 28px;margin-top:88px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{background:#fff;color:var(--brand-deep);}
.footer-brand-name{font-size:18px;font-weight:600;color:#fff;letter-spacing:.6px;}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);margin:0;}
.site-footer h4{font-size:14px;font-weight:600;color:#fff;margin:0 0 16px;letter-spacing:.6px;}
.footer-links li{font-size:14px;line-height:1.9;color:rgba(255,255,255,.78);}
.footer-links a{color:rgba(255,255,255,.78);}
.footer-links a:hover{color:#fff;}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.18);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.62);
}

@media (max-width:1199.98px){
  .side-sticky{position:static;}
  .article-head h1{font-size:32px;}
  .article-body h2{font-size:23px;}
}
@media (max-width:991.98px){
  h1{font-size:30px;}
  h2{font-size:24px;}
  body{font-size:16px;}
  .brand-bar .container{height:60px;gap:12px;}
  .brand-text{font-size:16px;}
  .brand-sub{display:none;}
  .page-main{padding:40px 0 64px;}
  .article-card{padding:24px;}
  .container{padding-left:20px;padding-right:20px;}
  .cta-band{padding:28px 24px;}
  .cta-band .cta-actions{margin-left:0;}
  .site-footer{padding:48px 0 24px;margin-top:64px;}
}
@media (max-width:575.98px){
  .article-head h1{font-size:26px;}
  .article-body h2{font-size:21px;}
  .pager-row{grid-template-columns:1fr;}
  .pager-next{text-align:left;align-items:flex-start;}
  .crumb-current{max-width:180px;}
  .btn-main,.btn-ghost,.btn-line{width:100%;}
  .cta-band .cta-actions{width:100%;}
  .article-card{padding:20px;}
  .container{padding-left:16px;padding-right:16px;}
}

/* roulang page: category1 */
:root{
  --c-main:#135C46;
  --c-main-dark:#0C3D2E;
  --c-main-soft:#E4EFE9;
  --c-accent:#E0662B;
  --c-accent-soft:#FBE7DA;
  --c-bg:#F7F5F0;
  --c-panel:#FFFFFF;
  --c-alt:#EEF2EE;
  --c-text:#14201C;
  --c-muted:#6C7772;
  --c-disabled:#A9B0AB;
  --c-border:#DCD8CD;
  --c-line:#ECEAE3;
  --r-card:14px;
  --r-btn:10px;
  --r-input:10px;
  --r-img:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,32,28,.06);
  --sh-2:0 10px 28px rgba(20,32,28,.10);
  --sh-3:0 16px 40px rgba(20,32,28,.14);
  --sec-y:88px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.9;
  letter-spacing:.2px;
  color:var(--c-text);
  background:var(--c-bg);
}
img{max-width:100%;display:block;}
a{color:var(--c-main);text-decoration:none;transition:color .15s ease,background-color .15s ease,border-color .15s ease;}
a:hover{color:var(--c-main-dark);}
h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:.5px;color:var(--c-text);}
h1{font-size:clamp(1.875rem,3.1vw,2.625rem);line-height:1.28;}
h2{font-size:clamp(1.5rem,2.2vw,1.875rem);line-height:1.35;}
h3{font-size:clamp(1.125rem,1.5vw,1.25rem);line-height:1.45;}
h4{font-size:1.0625rem;line-height:1.5;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
@media (min-width:1400px){.container{max-width:1320px;}}
.row-gutter{--bs-gutter-x:1.5rem;--bs-gutter-y:1.5rem;}
.section{padding:var(--sec-y) 0;}
.section-alt{background:var(--c-alt);}
.section-panel{background:var(--c-panel);}
.sec-head{max-width:720px;margin-bottom:40px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-head h2{position:relative;padding-left:0;}
.sec-head h2::before{content:"";display:block;width:44px;height:4px;border-radius:2px;background:var(--c-main);margin-bottom:18px;}
.sec-head.center h2::before{margin-left:auto;margin-right:auto;}
.sec-head p{margin-top:12px;color:var(--c-muted);font-size:16px;}
.eyebrow{font-size:13px;letter-spacing:2px;color:var(--c-accent);font-weight:600;margin-bottom:10px;text-transform:uppercase;}

/* ---------- header ---------- */
.site-header{position:relative;z-index:1030;}
.brand-bar{background:var(--c-main);color:#fff;}
.brand-inner{display:flex;align-items:center;gap:24px;min-height:68px;}
.brand{display:flex;align-items:center;gap:12px;color:#fff;flex:0 0 auto;}
.brand:hover{color:#fff;}
.brand-mark{
  width:38px;height:38px;border-radius:10px;background:var(--c-main-soft);color:var(--c-main-dark);
  display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:19px;letter-spacing:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{font-size:17px;font-weight:600;letter-spacing:.6px;color:#fff;}
.brand-text small{font-size:12px;color:rgba(255,255,255,.72);letter-spacing:.6px;}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:12px;}
.main-nav .nav-link{
  color:rgba(255,255,255,.86);font-size:15px;padding:8px 12px;border-radius:8px;white-space:nowrap;
}
.main-nav .nav-link:hover{background:rgba(255,255,255,.12);color:#fff;}
.main-nav .nav-link.is-active{color:#fff;background:rgba(255,255,255,.16);}
.brand-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:40px;height:40px;border-radius:10px;border:1px solid rgba(255,255,255,.32);background:transparent;color:#fff;
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:background-color .18s ease,border-color .18s ease;
}
.icon-btn:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.5);}
.ghost-btn{
  height:40px;padding:0 18px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.55);color:#fff;
  display:inline-flex;align-items:center;font-size:14.5px;transition:background-color .18s ease,color .18s ease;
}
.ghost-btn:hover{background:#fff;color:var(--c-main);border-color:#fff;}
.accent-btn{
  height:40px;padding:0 18px;border-radius:var(--r-btn);background:var(--c-accent);color:#fff;font-size:14.5px;
  display:inline-flex;align-items:center;gap:6px;border:1px solid var(--c-accent);transition:background-color .18s ease,transform .18s ease;
}
.accent-btn:hover{background:#c9551f;border-color:#c9551f;color:#fff;transform:translateY(-1px);}
.hamburger{
  width:44px;height:44px;border-radius:10px;border:1px solid rgba(255,255,255,.32);background:transparent;color:#fff;cursor:pointer;
}
.channel-bar{background:#fff;border-bottom:1px solid var(--c-border);}
.channel-inner{display:flex;align-items:stretch;gap:6px;height:52px;overflow-x:auto;scrollbar-width:none;}
.channel-inner::-webkit-scrollbar{display:none;}
.channel-link{
  display:inline-flex;align-items:center;padding:0 16px;font-size:15px;color:var(--c-muted);white-space:nowrap;
  border-bottom:3px solid transparent;transition:color .18s ease,background-color .18s ease,border-color .18s ease;
}
.channel-link:hover{background:var(--c-main-soft);color:var(--c-main);border-radius:8px 8px 0 0;}
.channel-link.is-active{color:var(--c-main);font-weight:600;border-bottom-color:var(--c-accent);}
.mobile-panel{display:none;background:#fff;border-bottom:1px solid var(--c-border);padding:8px 0 20px;}
.mobile-panel.is-open{display:block;}
.mobile-group{padding:14px 0 4px;border-top:1px solid var(--c-line);}
.mobile-group:first-child{border-top:0;}
.mobile-group h4{font-size:13px;color:var(--c-muted);letter-spacing:1px;margin-bottom:6px;font-weight:600;}
.mobile-group a{display:flex;align-items:center;min-height:44px;font-size:15.5px;color:var(--c-text);border-bottom:1px solid var(--c-line);}
.mobile-group a:last-child{border-bottom:0;}
.mobile-group a.is-active{color:var(--c-main);font-weight:600;}

/* ---------- page hero ---------- */
.page-hero{background:var(--c-bg);padding:56px 0 72px;position:relative;overflow:hidden;}
.page-hero::after{
  content:"";position:absolute;inset:auto -60px -120px auto;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(19,92,70,.10),rgba(19,92,70,0) 70%);
}
.breadcrumb-list{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13.5px;color:var(--c-muted);margin-bottom:22px;}
.breadcrumb-list a{color:var(--c-muted);}
.breadcrumb-list a:hover{color:var(--c-main);}
.breadcrumb-list li[aria-current]{color:var(--c-main);font-weight:600;}
.breadcrumb-list i{font-size:10px;color:var(--c-disabled);}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;}
.hero-copy h1{color:var(--c-main-dark);}
.hero-copy .hero-lead{margin-top:18px;font-size:18px;color:#3c4744;max-width:520px;}
.hero-media{border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh-2);border:1px solid var(--c-border);}
.hero-media img{width:100%;height:326px;object-fit:cover;}
.param-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px;}
.param-badge{
  display:inline-flex;align-items:baseline;gap:8px;background:var(--c-main-soft);color:var(--c-main-dark);
  border-radius:var(--r-pill);padding:9px 18px;font-size:14px;border:1px solid rgba(19,92,70,.12);
}
.param-badge b{font-size:17px;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:.5px;color:var(--c-main);}
.param-badge i{color:var(--c-accent);font-size:12px;}

/* ---------- feature rows ---------- */
.feature-row{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center;padding:40px 0;}
.feature-row+.feature-row{border-top:1px solid var(--c-line);}
.feature-row.reverse .feature-media{order:2;}
.feature-media{border-radius:var(--r-img);overflow:hidden;border:1px solid var(--c-border);box-shadow:var(--sh-1);}
.feature-media img{width:100%;height:290px;object-fit:cover;}
.feature-body h2{font-size:clamp(1.35rem,1.9vw,1.6rem);}
.feature-body .idx{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:1.5px;color:var(--c-accent);margin-bottom:10px;
  font-variant-numeric:tabular-nums;
}
.feature-body p{color:#3c4744;margin-top:14px;}
.feature-list{margin-top:18px;display:grid;gap:10px;}
.feature-list li{position:relative;padding-left:20px;color:#3c4744;font-size:16px;line-height:1.7;}
.feature-list li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:2px;background:var(--c-accent);}
.arrow-link{display:inline-flex;align-items:center;gap:8px;font-size:15px;color:var(--c-main);font-weight:600;margin-top:20px;}
.arrow-link i{transition:transform .2s ease;font-size:12px;}
.arrow-link:hover i{transform:translateX(3px);}

/* ---------- spec table ---------- */
.spec-table{width:100%;border-collapse:separate;border-spacing:0;background:var(--c-panel);border:1px solid var(--c-border);border-radius:var(--r-card);overflow:hidden;}
.spec-table th{background:var(--c-main);color:#fff;font-size:15px;font-weight:600;padding:16px 20px;text-align:left;}
.spec-table td{padding:18px 20px;border-top:1px solid var(--c-line);font-size:15.5px;color:#3c4744;vertical-align:top;}
.spec-table tbody tr:nth-child(even) td{background:var(--c-bg);}
.spec-table td:first-child{font-weight:600;color:var(--c-text);width:24%;}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;}
.step-card{background:var(--c-panel);border:1px solid var(--c-border);border-radius:var(--r-card);padding:26px 22px;box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;}
.step-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(19,92,70,.35);}
.step-num{font-size:13px;font-weight:700;color:var(--c-accent);letter-spacing:1.5px;font-variant-numeric:tabular-nums;}
.step-card h3{margin-top:10px;font-size:17px;}
.step-card p{margin-top:10px;font-size:15px;color:var(--c-muted);line-height:1.8;}
.step-line{display:flex;align-items:center;gap:14px;margin-top:26px;color:var(--c-muted);font-size:14px;}
.step-line span{display:inline-flex;align-items:center;gap:8px;}
.dot{width:9px;height:9px;border-radius:50%;background:var(--c-main);}
.dot.accent{background:var(--c-accent);}

/* ---------- faq ---------- */
.faq-layout{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start;}
.faq-aside{position:sticky;top:24px;}
.faq-aside p{color:var(--c-muted);margin-top:14px;font-size:16px;}
.faq-acc .accordion-item{
  background:var(--c-panel);border:1px solid var(--c-border);border-radius:var(--r-card);margin-bottom:12px;overflow:hidden;
  box-shadow:var(--sh-1);
}
.faq-acc .accordion-item:last-child{margin-bottom:0;}
.faq-acc .accordion-header{margin:0;}
.faq-acc .accordion-button{
  background:var(--c-panel);color:var(--c-text);font-size:17px;font-weight:600;padding:20px 22px;border:0;box-shadow:none;
  display:flex;align-items:center;gap:16px;
}
.faq-acc .accordion-button:not(.collapsed){
  color:var(--c-main);background:var(--c-main-soft);box-shadow:inset 3px 0 0 var(--c-accent);
}
.faq-acc .accordion-button:focus{box-shadow:none;outline:2px solid var(--c-accent);outline-offset:-2px;}
.faq-acc .accordion-button::after{
  content:"＋";background-image:none;width:24px;height:24px;margin-left:auto;flex:0 0 24px;
  display:inline-flex;align-items:center;justify-content:center;color:var(--c-accent);font-size:16px;line-height:1;
  transition:transform .22s ease;
}
.faq-acc .accordion-button:not(.collapsed)::after{content:"－";transform:rotate(180deg);}
.faq-acc .accordion-body{padding:4px 22px 22px;font-size:16px;line-height:1.9;color:#3c4744;}

/* ---------- cta ---------- */
.cta-band{background:linear-gradient(135deg,var(--c-main-dark),var(--c-main));color:#fff;border-radius:var(--r-card);padding:52px;}
.cta-band h2{color:#fff;}
.cta-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center;}
.cta-points{margin-top:22px;display:grid;gap:12px;}
.cta-points li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;color:rgba(255,255,255,.9);line-height:1.7;}
.cta-points li::before{content:"";width:8px;height:8px;background:var(--c-accent);border-radius:2px;margin-top:10px;flex:0 0 8px;}
.cta-contact{margin-top:26px;display:grid;gap:6px;font-size:15px;color:rgba(255,255,255,.82);}
.form-card{background:#fff;border-radius:var(--r-card);padding:32px;box-shadow:var(--sh-3);}
.form-card h3{font-size:19px;margin-bottom:6px;}
.form-card .form-tip{font-size:14px;color:var(--c-muted);margin-bottom:20px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--c-text);}
.field label .req{color:var(--c-accent);}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--c-border);border-radius:var(--r-input);background:#fff;color:var(--c-text);
  font-size:15px;padding:0 14px;height:48px;transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{height:auto;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:var(--c-disabled);font-size:14px;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-main);box-shadow:0 0 0 3px rgba(19,92,70,.15);
}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.check-row{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--c-muted);line-height:1.7;margin:6px 0 20px;}
.check-row input{width:18px;height:18px;margin-top:3px;accent-color:var(--c-main);}
.btn-main{
  display:flex;align-items:center;justify-content:center;gap:8px;width:100%;height:48px;border-radius:var(--r-btn);
  background:var(--c-main);color:#fff;font-size:16px;font-weight:600;border:1px solid var(--c-main);cursor:pointer;
  transition:background-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-main:hover{background:var(--c-main-dark);border-color:var(--c-main-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-main:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-main:disabled{background:var(--c-disabled);border-color:var(--c-disabled);cursor:not-allowed;transform:none;box-shadow:none;}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 28px;border-radius:var(--r-btn);
  background:#fff;border:1px solid var(--c-main);color:var(--c-main);font-size:15.5px;font-weight:600;
  transition:background-color .18s ease,color .18s ease,transform .18s ease;
}
.btn-outline:hover{background:var(--c-main-soft);color:var(--c-main-dark);transform:translateY(-1px);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 28px;border-radius:var(--r-btn);
  background:transparent;border:1px solid rgba(255,255,255,.55);color:#fff;font-size:15.5px;font-weight:600;
  transition:background-color .18s ease,color .18s ease;
}
.btn-ghost:hover{background:#fff;color:var(--c-main-dark);}

/* ---------- channel switch ---------- */
.channel-switch{display:flex;flex-wrap:wrap;align-items:center;gap:12px;}
.chip{
  display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 20px;border-radius:var(--r-pill);
  background:var(--c-panel);border:1px solid var(--c-border);color:var(--c-text);font-size:15px;
  transition:border-color .18s ease,background-color .18s ease,color .18s ease;
}
.chip:hover{border-color:var(--c-main);color:var(--c-main);background:var(--c-main-soft);}
.chip.is-current{background:var(--c-main);border-color:var(--c-main);color:#fff;font-weight:600;}

/* ---------- footer ---------- */
.site-footer{background:linear-gradient(180deg,var(--c-main),var(--c-main-dark));color:rgba(255,255,255,.86);padding:64px 0 26px;margin-top:0;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.14);color:#fff;}
.footer-brand-name{font-size:17px;font-weight:600;color:#fff;letter-spacing:.6px;}
.footer-desc{font-size:14.5px;color:rgba(255,255,255,.75);line-height:1.8;max-width:280px;}
.site-footer h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:1px;}
.footer-links{display:grid;gap:10px;}
.footer-links li,.footer-links a{font-size:14px;color:rgba(255,255,255,.78);}
.footer-links a:hover{color:#fff;}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.2);display:flex;flex-wrap:wrap;gap:10px;
  justify-content:space-between;font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  :root{--sec-y:72px;}
  .hero-grid{gap:32px;}
}
@media (max-width:991.98px){
  :root{--sec-y:64px;}
  .brand-inner{min-height:60px;gap:12px;}
  .hero-grid{grid-template-columns:1fr;gap:28px;}
  .hero-media img{height:250px;}
  .feature-row{grid-template-columns:1fr;gap:24px;padding:32px 0;}
  .feature-row.reverse .feature-media{order:0;}
  .feature-media img{height:230px;}
  .faq-layout{grid-template-columns:1fr;gap:28px;}
  .faq-aside{position:static;}
  .cta-grid{grid-template-columns:1fr;gap:32px;}
  .cta-band{padding:36px 24px;}
  .steps{grid-template-columns:1fr 1fr;gap:16px;}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .container{padding:0 20px;}
  .spec-table thead{display:none;}
  .spec-table,.spec-table tbody,.spec-table tr,.spec-table td{display:block;width:100%;}
  .spec-table{border:0;background:transparent;}
  .spec-table tr{
    background:var(--c-panel);border:1px solid var(--c-border);border-radius:var(--r-card);margin-bottom:14px;
    box-shadow:var(--sh-1);overflow:hidden;
  }
  .spec-table td{border-top:0;padding:14px 18px;position:relative;}
  .spec-table td:first-child{width:auto;background:var(--c-main-soft)!important;color:var(--c-main-dark);}
  .spec-table td:not(:first-child){border-top:1px solid var(--c-line);padding-left:18px;}
  .spec-table td:not(:first-child)::before{
    content:attr(data-label);display:block;font-size:12.5px;color:var(--c-muted);letter-spacing:.5px;margin-bottom:4px;
  }
}
@media (max-width:575.98px){
  :root{--sec-y:48px;}
  .row-gutter{--bs-gutter-x:1rem;--bs-gutter-y:1rem;}
  .container{padding:0 16px;}
  .page-hero{padding:36px 0 52px;}
  .hero-media img{height:210px;}
  .feature-media img{height:200px;}
  .param-badges{gap:8px;}
  .param-badge{padding:8px 14px;font-size:13.5px;}
  .steps{grid-template-columns:1fr;}
  .field-row{grid-template-columns:1fr;gap:0;}
  .form-card{padding:22px 18px;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category2 */
:root{
  --brand:#135C46;
  --brand-dark:#0C3D2E;
  --brand-light:#E4EFE9;
  --accent:#E0662B;
  --accent-light:#FBE7DA;
  --bg:#F7F5F0;
  --panel:#FFFFFF;
  --alt:#EEF2EE;
  --text:#14201C;
  --muted:#6C7772;
  --disabled:#A9B0AB;
  --border:#DCD8CD;
  --border-soft:#ECEAE3;
  --danger:#C0392B;
  --r-card:14px;
  --r-btn:10px;
  --r-input:10px;
  --r-img:12px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(20,32,28,.06);
  --sh-md:0 10px 28px rgba(20,32,28,.10);
  --sh-lg:0 16px 40px rgba(20,32,28,.14);
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:24px;
  --sp-6:32px; --sp-7:48px; --sp-8:72px; --sp-9:96px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:17px;
  line-height:1.9;
  letter-spacing:.2px;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;background:var(--alt);}
a{color:var(--brand);text-decoration:none;transition:color .15s ease;}
a:hover{color:var(--brand-dark);}
h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:.5px;line-height:1.35;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}

.container,.container-sm,.container-md,.container-lg,.container-xl{
  max-width:1240px;
  padding-left:24px;
  padding-right:24px;
}
@media (min-width:1400px){
  .container,.container-sm,.container-md,.container-lg,.container-xl{max-width:1320px;}
}
@media (max-width:991.98px){
  .container,.container-sm,.container-md,.container-lg,.container-xl{padding-left:20px;padding-right:20px;}
}
@media (max-width:575.98px){
  .container,.container-sm,.container-md,.container-lg,.container-xl{padding-left:16px;padding-right:16px;}
}
.row-gutter{--bs-gutter-x:24px;--bs-gutter-y:24px;}
@media (max-width:575.98px){.row-gutter{--bs-gutter-x:16px;--bs-gutter-y:16px;}}

/* ============ 头部 ============ */
.site-header{position:sticky;top:0;z-index:1040;}
.brand-bar{background:var(--brand);height:68px;}
.brand-bar-inner{display:flex;align-items:center;gap:24px;height:68px;}
.brand{display:flex;align-items:center;gap:12px;color:#fff;flex-shrink:0;}
.brand:hover{color:#fff;}
.brand-mark{
  width:38px;height:38px;border-radius:var(--r-btn);
  background:var(--accent);color:#fff;
  display:grid;place-items:center;
  font-size:18px;font-weight:700;letter-spacing:0;
  flex-shrink:0;
}
.brand-text strong{display:block;font-size:17px;font-weight:600;letter-spacing:.5px;line-height:1.3;}
.brand-text em{display:block;font-style:normal;font-size:12px;color:rgba(255,255,255,.68);letter-spacing:.4px;line-height:1.4;}
.main-nav{margin-left:auto;display:flex;align-items:center;gap:4px;}
.main-nav .nav-link{
  color:rgba(255,255,255,.86);
  font-size:15px;
  padding:8px 14px;
  border-radius:8px;
  transition:background .22s ease,color .22s ease;
  position:relative;
}
.main-nav .nav-link:hover{background:rgba(255,255,255,.12);color:#fff;}
.main-nav .nav-link.is-active{background:rgba(255,255,255,.16);color:#fff;font-weight:600;}
.main-nav .nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;
  background:var(--accent);border-radius:2px;
}
.brand-actions{display:flex;align-items:center;gap:12px;margin-left:12px;}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-btn);
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);
  color:#fff;display:grid;place-items:center;font-size:15px;
  cursor:pointer;transition:background .22s ease;
}
.icon-btn:hover{background:rgba(255,255,255,.2);}
.ghost-btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 18px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.5);color:#fff;
  font-size:14px;transition:background .22s ease,border-color .22s ease;
}
.ghost-btn:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;}
.accent-btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 18px;border-radius:var(--r-btn);
  background:var(--accent);color:#fff;font-size:14px;font-weight:600;
  transition:background .22s ease,transform .22s ease;
}
.accent-btn:hover{background:#c9551f;color:#fff;transform:translateY(-1px);}
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:var(--r-btn);
  background:transparent;border:1px solid var(--border);
  color:var(--text);place-items:center;font-size:17px;cursor:pointer;
}
.channel-bar{background:var(--panel);border-bottom:1px solid var(--border);}
.channel-inner{display:flex;align-items:center;gap:12px;height:52px;}
.channel-label{
  font-size:13px;color:var(--muted);flex-shrink:0;
  padding-right:12px;border-right:1px solid var(--border-soft);
  line-height:20px;
}
.channel-scroll{display:flex;align-items:center;gap:2px;overflow-x:auto;scrollbar-width:none;height:52px;}
.channel-scroll::-webkit-scrollbar{display:none;}
.channel-link{
  position:relative;display:inline-flex;align-items:center;
  height:52px;padding:0 14px;font-size:15px;color:var(--text);
  white-space:nowrap;transition:background .22s ease,color .22s ease;
}
.channel-link:hover{background:var(--brand-light);color:var(--brand);}
.channel-link.is-active{color:var(--brand);font-weight:600;}
.channel-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;
  background:var(--accent);border-radius:2px 2px 0 0;
}
.mobile-panel{display:none;background:var(--panel);border-bottom:1px solid var(--border);padding:8px 0 20px;}
.mobile-panel.is-open{display:block;}
.mp-group{font-size:13px;color:var(--muted);margin:16px 0 6px;}
.mp-link{
  display:flex;align-items:center;min-height:44px;
  font-size:15px;color:var(--text);border-radius:var(--r-btn);
  padding:0 12px;transition:background .2s ease,color .2s ease;
}
.mp-link:hover,.mp-link.is-active{background:var(--brand-light);color:var(--brand);}
@media (max-width:991.98px){
  .brand-bar{background:var(--panel);height:60px;border-bottom:1px solid var(--border);}
  .brand-bar-inner{height:60px;gap:12px;}
  .brand{color:var(--text);}
  .brand:hover{color:var(--text);}
  .brand-text strong{color:var(--text);font-size:16px;}
  .brand-text em{display:none;}
  .brand-mark{width:34px;height:34px;font-size:16px;background:var(--brand);}
  .main-nav,.ghost-btn,.icon-btn{display:none;}
  .menu-toggle{display:grid;margin-left:auto;}
  .channel-bar{display:none;}
  .brand-actions{gap:8px;margin-left:auto;}
  .accent-btn{height:38px;padding:0 14px;font-size:13px;}
}

/* ============ 通用板块 ============ */
.section{padding:88px 0;}
.section-alt{background:var(--alt);}
.section-panel{background:var(--panel);}
@media (max-width:991.98px){.section{padding:64px 0;}}
@media (max-width:575.98px){.section{padding:48px 0;}}
.section-head{max-width:780px;margin-bottom:40px;}
.section-head h2{font-size:clamp(24px,3vw,30px);line-height:1.35;}
.section-head h2::before{
  content:"";display:inline-block;width:4px;height:22px;
  background:var(--brand);border-radius:2px;margin-right:12px;
  vertical-align:-3px;
}
.section-head p{margin-top:12px;color:var(--muted);font-size:16px;line-height:1.8;}
.section-head.is-center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head.is-center h2::before{display:none;}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px;}
.head-row .section-head{margin-bottom:0;}

/* ============ 页首 ============ */
.page-hero{
  position:relative;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  background-color:var(--brand-dark);
  color:#fff;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(12,61,46,.95) 0%,rgba(19,92,70,.78) 55%,rgba(19,92,70,.58) 100%);
}
.page-hero .container{position:relative;z-index:2;padding-top:72px;padding-bottom:68px;}
.crumbs{
  list-style:none;display:flex;flex-wrap:wrap;align-items:center;
  gap:8px;margin:0 0 20px;font-size:14px;color:rgba(255,255,255,.72);
}
.crumbs li{display:flex;align-items:center;gap:8px;}
.crumbs li::after{content:"\203A";opacity:.65;font-size:15px;}
.crumbs li:last-child::after{content:"";}
.crumbs a{color:rgba(255,255,255,.85);}
.crumbs a:hover{color:#fff;}
.page-hero h1{font-size:clamp(30px,5vw,42px);line-height:1.28;letter-spacing:.5px;}
.h1-sub{
  display:block;margin-top:14px;
  font-size:clamp(16px,2.2vw,19px);font-weight:400;
  letter-spacing:.5px;color:rgba(255,255,255,.82);
}
.hero-lead{
  max-width:660px;margin-top:20px;font-size:16px;line-height:1.85;
  color:rgba(255,255,255,.86);
}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:28px;}
.btn-solid{
  display:inline-flex;align-items:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-btn);
  background:var(--brand);color:#fff;font-size:15px;font-weight:600;
  border:1px solid var(--brand);
  transition:background .22s ease,transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.btn-solid:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md);}
.btn-solid:active{transform:translateY(0);box-shadow:var(--sh-sm);}
.btn-outline{
  display:inline-flex;align-items:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-btn);
  background:#fff;color:var(--brand);font-size:15px;font-weight:600;
  border:1px solid var(--brand);
  transition:background .22s ease,transform .22s ease,box-shadow .22s ease;
}
.btn-outline:hover{background:var(--brand-light);color:var(--brand-dark);transform:translateY(-1px);}
.btn-outline:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  background:rgba(255,255,255,.08);color:#fff;font-size:15px;font-weight:600;
  border:1px solid rgba(255,255,255,.55);
  transition:background .22s ease,border-color .22s ease,transform .22s ease;
}
.btn-ghost:hover{background:rgba(255,255,255,.18);color:#fff;border-color:#fff;transform:translateY(-1px);}
.btn-accent{
  display:inline-flex;align-items:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-btn);
  background:var(--accent);color:#fff;font-size:15px;font-weight:600;border:1px solid var(--accent);
  transition:background .22s ease,transform .22s ease,box-shadow .22s ease;
}
.btn-accent:hover{background:#c9551f;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md);}
.arrow-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--brand);
}
.arrow-link i{font-size:12px;transition:transform .22s ease;}
.arrow-link:hover i{transform:translateX(3px);}
.hero-note{font-size:14px;color:rgba(255,255,255,.7);}
.page-hero .btn-ghost{height:48px;}

/* 首屏信息条 */
.hero-facts{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:1px;background:rgba(255,255,255,.18);
  border:1px solid rgba(255,255,255,.22);border-radius:var(--r-card);
  overflow:hidden;margin-top:36px;
}
.hero-fact{background:rgba(255,255,255,.08);padding:18px 20px;}
.hero-fact strong{display:block;font-size:22px;font-weight:700;letter-spacing:.4px;font-variant-numeric:tabular-nums;}
.hero-fact span{display:block;font-size:13px;color:rgba(255,255,255,.72);margin-top:4px;}
@media (max-width:767.98px){
  .hero-facts{grid-template-columns:1fr;}
  .page-hero .container{padding-top:56px;padding-bottom:52px;}
}

/* ============ 图片卡网格 ============ */
.media-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
@media (max-width:991.98px){.media-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}}
@media (max-width:575.98px){.media-grid{grid-template-columns:1fr;gap:16px;}}
.media-card{
  position:relative;display:block;border-radius:var(--r-card);
  overflow:hidden;aspect-ratio:4/3;box-shadow:var(--sh-sm);
  background:var(--alt);
  transition:box-shadow .22s ease,transform .22s ease;
}
.media-card img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.media-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(12,61,46,0) 38%,rgba(12,61,46,.9) 100%);
  transition:opacity .3s ease;
}
.media-card:hover{box-shadow:var(--sh-md);transform:translateY(-2px);}
.media-card:hover img{transform:scale(1.03);}
.media-card:hover::after{opacity:.94;}
.media-card-body{position:absolute;left:0;right:0;bottom:0;padding:20px;z-index:2;color:#fff;}
.media-card-body h3{font-size:19px;color:#fff;letter-spacing:.5px;}
.media-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px;}
.media-tags .tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--r-pill);font-size:13px;
  background:rgba(255,255,255,.16);color:#fff;backdrop-filter:blur(2px);
}
.media-tags .tag-accent{background:var(--accent-light);color:#a8461c;}

/* ============ 时间轴 ============ */
.timeline{position:relative;display:flex;list-style:none;margin:0;padding:0;}
.timeline::before{
  content:"";position:absolute;top:10px;left:40px;right:40px;height:1px;background:var(--border);
}
.timeline-step{position:relative;flex:1;padding:36px 14px 0;text-align:center;}
.timeline-step .dot{
  position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:20px;height:20px;border-radius:50%;
  background:var(--brand);border:4px solid var(--panel);
  box-shadow:0 0 0 1px var(--border);
}
.timeline-step.is-current .dot{background:var(--accent);}
.timeline-step .step-no{
  display:block;font-size:13px;color:var(--accent);font-weight:700;
  letter-spacing:1px;font-variant-numeric:tabular-nums;margin-bottom:6px;
}
.timeline-step h3{font-size:17px;margin-bottom:8px;}
.timeline-step p{font-size:14.5px;line-height:1.75;color:var(--muted);}
@media (max-width:991.98px){
  .timeline{flex-direction:column;}
  .timeline::before{top:10px;bottom:10px;left:10px;right:auto;width:1px;height:auto;}
  .timeline-step{text-align:left;padding:0 0 28px 44px;flex:none;}
  .timeline-step .dot{left:10px;top:4px;transform:translateX(-50%);}
  .timeline-step:last-child{padding-bottom:0;}
}

/* ============ 承办范围 ============ */
.scope-wide{
  display:grid;grid-template-columns:1.15fr .85fr;gap:0;
  background:var(--panel);border:1px solid var(--border);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-sm);
  transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.scope-wide:hover{box-shadow:var(--sh-md);transform:translateY(-2px);border-color:rgba(19,92,70,.35);}
.scope-wide-text{padding:36px;}
.scope-wide-img{position:relative;min-height:260px;background:var(--alt);}
.scope-wide-img img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;}
@media (max-width:767.98px){
  .scope-wide{grid-template-columns:1fr;}
  .scope-wide-text{padding:24px;}
  .scope-wide-img{min-height:200px;}
}
.scope-card{
  height:100%;background:var(--panel);border:1px solid var(--border);
  border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-sm);
  transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.scope-card:hover{box-shadow:var(--sh-md);transform:translateY(-2px);border-color:rgba(19,92,70,.35);}
.scope-card .num{
  font-size:13px;font-weight:700;color:var(--accent);letter-spacing:1px;
  font-variant-numeric:tabular-nums;display:block;margin-bottom:10px;
}
.scope-card h3{font-size:19px;margin-bottom:12px;}
.scope-card p{font-size:15px;line-height:1.85;color:var(--muted);}
.card-link{display:inline-flex;align-items:center;gap:6px;margin-top:18px;font-size:15px;font-weight:600;color:var(--brand);}
.card-link i{font-size:12px;transition:transform .22s ease;}
.scope-card:hover .card-link i,.scope-wide:hover .card-link i{transform:translateX(3px);}
.badge-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px;}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--r-pill);font-size:13px;
  background:var(--brand-light);color:var(--brand);
}
.tag-accent{background:var(--accent-light);color:#a8461c;}

/* ============ 数据条 ============ */
.stat-grid{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  background:var(--panel);border:1px solid var(--border);
  border-radius:var(--r-card);overflow:hidden;
}
.stat-item{padding:32px 24px;position:relative;border-right:1px solid var(--border-soft);}
.stat-item:last-child{border-right:none;}
.stat-item::before{
  content:"";position:absolute;left:24px;bottom:26px;
  width:0;height:0;border-left:5px solid transparent;
  border-right:5px solid transparent;border-bottom:7px solid var(--accent);
  opacity:.9;
}
.stat-num{
  font-size:clamp(34px,4vw,56px);font-weight:700;color:var(--brand);
  line-height:1.1;letter-spacing:.5px;font-variant-numeric:tabular-nums;
}
.stat-num small{font-size:20px;font-weight:700;margin-left:2px;}
.stat-label{font-size:14px;color:var(--muted);margin-top:10px;padding-bottom:22px;}
@media (max-width:991.98px){
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat-item{border-right:1px solid var(--border-soft);border-bottom:1px solid var(--border-soft);}
  .stat-item:nth-child(2n){border-right:none;}
  .stat-item:nth-child(3),.stat-item:nth-child(4){border-bottom:none;}
}
@media (max-width:575.98px){
  .stat-item{padding:24px 16px;}
  .stat-item::before{left:16px;bottom:22px;}
}

/* ============ 反馈摘录 ============ */
.quote-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
@media (max-width:991.98px){.quote-grid{grid-template-columns:1fr;gap:16px;}}
.quote-card{
  background:var(--panel);border:1px solid var(--border);
  border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-sm);
  height:100%;display:flex;flex-direction:column;
  transition:box-shadow .22s ease,transform .22s ease;
}
.quote-card:hover{box-shadow:var(--sh-md);transform:translateY(-2px);}
.quote-mark{font-size:26px;color:var(--accent);line-height:1;margin-bottom:12px;}
.quote-card p{font-size:16px;line-height:1.85;flex:1;}
.quote-meta{margin-top:20px;padding-top:16px;border-top:1px solid var(--border-soft);font-size:13px;color:var(--muted);}
.quote-meta strong{display:block;color:var(--text);font-size:15px;font-weight:600;margin-bottom:2px;}

/* ============ FAQ ============ */
.faq-title{font-size:clamp(22px,2.6vw,26px);margin-bottom:16px;}
.faq-intro{font-size:15.5px;color:var(--muted);line-height:1.85;margin-bottom:20px;}
.faq-contact{font-size:15px;color:var(--muted);}
.faq-contact strong{display:block;font-size:20px;color:var(--brand);font-weight:700;letter-spacing:.4px;margin-top:6px;font-variant-numeric:tabular-nums;}
.faq-acc .accordion-item{
  background:var(--panel);border:1px solid var(--border);
  border-radius:var(--r-card);margin-bottom:12px;overflow:hidden;
  box-shadow:var(--sh-sm);
}
.faq-acc .accordion-item:last-child{margin-bottom:0;}
.faq-acc .accordion-header{margin:0;}
.faq-acc .accordion-button{
  position:relative;width:100%;background:var(--panel);
  border:none;padding:20px 60px 20px 22px;
  font-size:17px;font-weight:600;color:var(--text);
  letter-spacing:.4px;text-align:left;line-height:1.55;
  transition:background .22s ease,color .22s ease;
}
.faq-acc .accordion-button:hover{background:var(--brand-light);}
.faq-acc .accordion-button::after{
  content:"";position:absolute;right:30px;top:50%;
  width:2px;height:14px;background:var(--brand);
  transform:translateY(-50%);transition:transform .22s ease,opacity .22s ease;
}
.faq-acc .accordion-button::before{
  content:"";position:absolute;right:24px;top:50%;
  width:14px;height:2px;background:var(--brand);
  transform:translateY(-50%);
}
.faq-acc .accordion-button:not(.collapsed){
  background:var(--accent-light);color:var(--brand-dark);
  box-shadow:inset 3px 0 0 var(--accent);
}
.faq-acc .accordion-button:not(.collapsed)::after{transform:translateY(-50%) scaleY(0);opacity:0;}
.faq-acc .accordion-button:focus{outline:none;box-shadow:none;}
.faq-acc .accordion-button:not(.collapsed):focus{box-shadow:inset 3px 0 0 var(--accent);}
.faq-acc .accordion-button:focus-visible{outline:2px solid var(--accent);outline-offset:-2px;}
.faq-acc .accordion-body{
  padding:4px 24px 24px;font-size:16px;line-height:1.9;color:var(--muted);
  border-top:1px solid var(--border-soft);
  margin-top:0;padding-top:18px;
}

/* ============ CTA ============ */
.cta-bar{
  background:linear-gradient(135deg,var(--brand-dark) 0%,var(--brand) 100%);
  border-radius:18px;padding:40px;color:#fff;
  display:flex;flex-wrap:wrap;gap:28px;align-items:center;justify-content:space-between;
  box-shadow:var(--sh-md);
}
.cta-bar h2{font-size:clamp(22px,2.6vw,28px);color:#fff;}
.cta-bar p{margin-top:10px;font-size:15.5px;color:rgba(255,255,255,.82);max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.cta-tel{font-size:14px;color:rgba(255,255,255,.75);}
.cta-tel strong{display:block;font-size:20px;color:#fff;font-weight:700;letter-spacing:.4px;font-variant-numeric:tabular-nums;}
@media (max-width:767.98px){.cta-bar{padding:28px 22px;border-radius:14px;}}

/* ============ 频道切换条 ============ */
.switch-bar{background:var(--alt);padding:32px 0;}
.switch-inner{display:flex;flex-wrap:wrap;gap:12px;align-items:center;}
.switch-inner .switch-label{font-size:14px;color:var(--muted);margin-right:4px;}
.switch-pill{
  display:inline-flex;align-items:center;height:44px;padding:0 22px;
  border-radius:var(--r-pill);background:var(--panel);
  border:1px solid var(--border);font-size:15px;color:var(--text);
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.switch-pill:hover{border-color:var(--brand);color:var(--brand);}
.switch-pill.is-current{background:var(--brand);border-color:var(--brand);color:#fff;}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-dark);color:rgba(255,255,255,.78);padding:64px 0 28px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--accent);}
.footer-brand-name{color:#fff;font-size:17px;font-weight:600;letter-spacing:.5px;}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);max-width:280px;}
.site-footer h4{font-size:14px;font-weight:600;color:rgba(255,255,255,.95);margin-bottom:18px;letter-spacing:.5px;}
.footer-links{list-style:none;}
.footer-links li{font-size:14px;line-height:1.7;margin-bottom:10px;color:rgba(255,255,255,.66);}
.footer-links a{color:rgba(255,255,255,.66);transition:color .15s ease;}
.footer-links a:hover{color:#fff;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.52);
}
@media (max-width:991.98px){
  .site-footer{padding:48px 0 24px;}
  .footer-desc{max-width:none;}
  .footer-brand{margin-top:4px;}
}

/* roulang page: category3 */
:root{
  --ink:#135C46;
  --ink-deep:#0C3D2E;
  --ink-soft:#E4EFE9;
  --accent:#E0662B;
  --accent-soft:#FBE7DA;
  --bg:#F7F5F0;
  --panel:#FFFFFF;
  --alt:#EEF2EE;
  --text:#14201C;
  --muted:#6C7772;
  --faint:#A9B0AB;
  --border:#DCD8CD;
  --border-soft:#ECEAE3;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(20,32,28,.06);
  --sh-2:0 10px 28px rgba(20,32,28,.10);
  --sh-3:0 16px 40px rgba(20,32,28,.14);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:17px;
  line-height:1.9;
  letter-spacing:.2px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;background:#EDEAE1}
a{color:var(--ink);text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease}
a:hover{color:var(--ink-deep)}
h1,h2,h3,h4{font-weight:600;letter-spacing:.5px;color:var(--text);margin:0}
h1{font-size:42px;line-height:1.28}
h2{font-size:30px;line-height:1.35}
h3{font-size:20px;line-height:1.5}
h4{font-size:17px;line-height:1.6}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.num{font-variant-numeric:tabular-nums;letter-spacing:.5px}

.container{
  width:100%;
  max-width:1240px;
  margin-right:auto;
  margin-left:auto;
  padding-right:24px;
  padding-left:24px;
}
@media (min-width:1400px){.container{max-width:1320px}}
.row-gutter{--bs-gutter-x:24px;--bs-gutter-y:24px}

/* ---------- 头部 ---------- */
.brand-row{background:var(--ink);height:68px;position:relative;z-index:30}
.brand-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:10px;background:#fff;color:var(--ink);
  display:flex;align-items:center;justify-content:center;font-size:19px;font-weight:700;flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-name{color:#fff;font-size:16px;font-weight:600;letter-spacing:.5px}
.brand-sub{color:rgba(255,255,255,.66);font-size:12px;letter-spacing:.3px}
.main-nav{display:flex;align-items:center;gap:2px}
.main-nav .nav-link{
  color:rgba(255,255,255,.82);font-size:15px;padding:8px 14px;border-radius:8px;
  position:relative;white-space:nowrap;
}
.main-nav .nav-link:hover{color:#fff;background:rgba(255,255,255,.10)}
.main-nav .nav-link.is-active{color:#fff;font-weight:600}
.main-nav .nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;
  border-radius:2px;background:var(--accent);
}
.brand-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.icon-btn{
  width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  color:rgba(255,255,255,.85);border:1px solid transparent;
}
.icon-btn:hover{color:#fff;background:rgba(255,255,255,.10)}
.btn-outline-sm{
  height:40px;padding:0 18px;border-radius:var(--r-btn);display:inline-flex;align-items:center;
  font-size:14px;color:#fff;border:1px solid rgba(255,255,255,.42);
}
.btn-outline-sm:hover{color:#fff;background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.72)}
.btn-accent-sm{
  height:40px;padding:0 18px;border-radius:var(--r-btn);display:inline-flex;align-items:center;
  font-size:14px;font-weight:600;color:#fff;background:var(--accent);border:1px solid var(--accent);
}
.btn-accent-sm:hover{background:#C8551F;border-color:#C8551F;color:#fff}
.nav-toggle{
  width:44px;height:44px;border-radius:10px;border:1px solid var(--border);
  background:#fff;color:var(--ink);display:flex;align-items:center;justify-content:center;
}
.nav-toggle:hover{background:var(--ink-soft)}

.channel-bar{background:#fff;border-bottom:1px solid var(--border);height:52px}
.channel-inner{height:52px;display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none}
.channel-inner::-webkit-scrollbar{display:none}
.channel-label{font-size:13px;color:var(--faint);letter-spacing:1px;margin-right:10px;flex-shrink:0}
.channel-link{
  position:relative;display:inline-flex;align-items:center;height:52px;padding:0 16px;
  font-size:15px;color:var(--muted);white-space:nowrap;
}
.channel-link:hover{color:var(--ink);background:var(--ink-soft)}
.channel-link.is-active{color:var(--ink);font-weight:600}
.channel-link.is-active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:0;height:3px;background:var(--accent);border-radius:2px;
}

.mobile-panel{background:#fff;border-bottom:1px solid var(--border);box-shadow:var(--sh-2)}
.mobile-group{padding:16px 24px;border-bottom:1px solid var(--border-soft)}
.mobile-group:last-child{border-bottom:none;padding-bottom:24px}
.mobile-group-title{font-size:13px;color:var(--muted);letter-spacing:1px;margin:0 0 8px}
.mobile-group a{
  display:flex;align-items:center;min-height:44px;font-size:16px;color:var(--text);
  border-bottom:1px solid var(--border-soft);
}
.mobile-group a:last-child{border-bottom:none}
.mobile-group a.is-active{color:var(--ink);font-weight:600}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  color:#fff;
  padding:72px 0 64px;
  background-image:linear-gradient(135deg,rgba(19,92,70,.94),rgba(12,61,46,.88)),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  background-repeat:no-repeat;
}
.hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:120px;
  background:linear-gradient(180deg,rgba(12,61,46,0),rgba(12,61,46,.35));
  pointer-events:none;
}
.hero .container{position:relative;z-index:2}
.crumb{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;margin-bottom:22px}
.crumb li{color:rgba(255,255,255,.7);display:flex;align-items:center;gap:8px}
.crumb li::after{content:"›";color:rgba(255,255,255,.45)}
.crumb li:last-child::after{content:""}
.crumb a{color:rgba(255,255,255,.82)}
.crumb a:hover{color:#fff;text-decoration:underline}
.hero h1{color:#fff;max-width:820px;font-size:42px;letter-spacing:.6px}
.hero-lead{
  margin:20px 0 26px;font-size:18px;line-height:1.8;color:rgba(255,255,255,.88);max-width:680px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}
.hero-tag{
  display:inline-flex;align-items:center;height:32px;padding:0 16px;border-radius:999px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
  font-size:14px;color:#fff;font-variant-numeric:tabular-nums;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-btn);border:1px solid var(--ink);
  background:var(--ink);color:#fff;font-size:16px;font-weight:600;cursor:pointer;
  transition:background-color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-main:hover{background:var(--ink-deep);border-color:var(--ink-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-main:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-main:disabled{background:var(--faint);border-color:var(--faint);cursor:not-allowed;transform:none;box-shadow:none}
.btn-line-light{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-btn);
  background:transparent;border:1px solid rgba(255,255,255,.6);color:#fff;font-size:16px;font-weight:600;
  transition:background-color .2s ease,border-color .2s ease,transform .2s ease;
}
.btn-line-light:hover{background:rgba(255,255,255,.14);border-color:#fff;color:#fff;transform:translateY(-1px)}
.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  background:#fff;border:1px solid var(--ink);color:var(--ink);font-size:16px;font-weight:600;
  transition:background-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-line:hover{background:var(--ink-soft);color:var(--ink-deep);transform:translateY(-1px)}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--ink);
}
.link-arrow i{transition:transform .2s ease}
.link-arrow:hover{color:var(--ink-deep)}
.link-arrow:hover i{transform:translateX(3px)}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0}
.section-alt{background:var(--alt)}
.section-white{background:var(--panel)}
.sec-head{margin-bottom:40px}
.sec-head.center{text-align:center;max-width:760px;margin-left:auto;margin-right:auto}
.sec-kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:2px;
  color:var(--muted);margin-bottom:12px;
}
.sec-kicker::before{content:"";width:3px;height:14px;background:var(--accent);border-radius:2px}
.sec-head h2{margin-bottom:12px}
.sec-head p{color:var(--muted);font-size:16px;margin:0}
.sec-head.split{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px}

/* ---------- 双栏文档 ---------- */
.doc-section{padding:72px 0 88px;background:var(--bg)}
.toc{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  padding:22px 20px;box-shadow:var(--sh-1);
}
.toc-title{
  font-size:13px;font-weight:600;color:var(--muted);letter-spacing:2px;margin:0 0 14px;
  padding-left:2px;
}
.toc-list{list-style:none;counter-reset:toc}
.toc-list a{
  display:block;padding:9px 12px;font-size:15px;color:var(--text);
  border-left:3px solid transparent;border-radius:0 8px 8px 0;line-height:1.6;
}
.toc-list a:hover{background:var(--alt);color:var(--ink)}
.toc-list a.is-active{
  border-left-color:var(--accent);background:var(--ink-soft);color:var(--ink);font-weight:600;
}
@media (min-width:992px){.toc{position:sticky;top:88px}}

.doc-body{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  padding:40px;box-shadow:var(--sh-1);
}
.doc-body h2{
  position:relative;padding-left:16px;font-size:30px;margin:44px 0 16px;
  scroll-margin-top:88px;
}
.doc-body h2:first-child{margin-top:0}
.doc-body h2::before{
  content:"";position:absolute;left:0;top:.42em;width:3px;height:18px;border-radius:2px;background:var(--accent);
}
.doc-body h3{font-size:20px;margin:28px 0 12px}
.doc-body p{font-size:17px;line-height:1.95;color:var(--text)}
.doc-body ul{margin:0 0 1.2em;padding-left:0;list-style:none}
.doc-body ul li{
  position:relative;padding-left:20px;margin-bottom:8px;font-size:16px;line-height:1.8;color:var(--text);
}
.doc-body ul li::before{
  content:"";position:absolute;left:0;top:.68em;width:6px;height:6px;background:var(--accent);border-radius:1px;
}
.tip-card{
  background:var(--accent-soft);border-left:3px solid var(--accent);border-radius:12px;
  padding:20px 24px;margin:26px 0;font-size:16px;line-height:1.85;
}
.tip-card strong{color:var(--ink-deep)}
.key-points{
  background:var(--ink-soft);border-radius:var(--r-card);padding:28px 32px;margin:32px 0;
}
.key-points h3{margin:0 0 16px;font-size:20px;color:var(--ink-deep)}
.key-points ul{margin:0}
.key-points li{
  position:relative;padding-left:22px;margin-bottom:10px;font-size:16px;line-height:1.8;color:var(--text);
}
.key-points li:last-child{margin-bottom:0}
.key-points li::before{
  content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;background:var(--accent);border-radius:2px;
}
.spec-table{width:100%;border-collapse:collapse;margin:20px 0 8px;font-size:15.5px}
.spec-table caption{
  caption-side:top;text-align:left;font-size:14px;color:var(--muted);padding-bottom:10px;
}
.spec-table th{
  background:var(--ink);color:#fff;font-weight:600;text-align:left;padding:14px 16px;font-size:15px;
}
.spec-table th:first-child{border-radius:10px 0 0 0}
.spec-table th:last-child{border-radius:0 10px 0 0}
.spec-table td{padding:14px 16px;border-bottom:1px solid var(--border-soft);line-height:1.7}
.spec-table tbody tr:nth-child(odd){background:#FAF9F5}

/* ---------- FAQ ---------- */
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  margin-bottom:12px;overflow:hidden;transition:box-shadow .22s ease,border-color .22s ease;
}
.faq-item:hover{box-shadow:var(--sh-1)}
.faq-q{
  width:100%;text-align:left;background:none;border:none;cursor:pointer;
  padding:18px 22px;font-size:17px;font-weight:600;color:var(--text);
  display:flex;align-items:center;justify-content:space-between;gap:16px;line-height:1.6;
}
.faq-q::after{
  content:"+";flex-shrink:0;font-size:22px;font-weight:400;color:var(--muted);transition:color .2s ease;
}
.faq-q[aria-expanded="true"]{color:var(--ink-deep);box-shadow:inset 3px 0 0 var(--accent)}
.faq-q[aria-expanded="true"]::after{content:"−";color:var(--accent)}
.faq-a{padding:0 22px 20px;font-size:16px;line-height:1.9;color:var(--muted)}

/* ---------- 适用场景 ---------- */
.scene-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--sh-1);height:100%;overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.scene-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(19,92,70,.4)}
.scene-body{padding:26px 28px;display:flex;flex-direction:column;height:100%}
.scene-num{
  font-size:13px;font-weight:700;letter-spacing:1.5px;color:var(--accent);
  font-variant-numeric:tabular-nums;margin-bottom:10px;
}
.scene-body h3{margin-bottom:10px;font-size:20px}
.scene-body p{font-size:15.5px;color:var(--muted);line-height:1.8;margin-bottom:20px}
.scene-body .link-arrow{margin-top:auto}
.scene-wide{display:flex;flex-wrap:wrap;height:100%}
.scene-wide .scene-body{flex:1 1 320px}
.scene-wide figure{margin:0;flex:1 1 260px;min-height:220px}
.scene-wide img{width:100%;height:100%;object-fit:cover;border-radius:0}

/* ---------- 流程 ---------- */
.flow{position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:0;margin-top:48px}
.flow::before{
  content:"";position:absolute;left:10%;right:10%;top:16px;height:1px;background:var(--border);
}
.flow-step{position:relative;padding:0 14px;text-align:center}
.flow-dot{
  width:32px;height:32px;border-radius:50%;background:var(--ink);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;
  margin:0 auto 16px;position:relative;z-index:1;border:4px solid var(--panel);
  font-variant-numeric:tabular-nums;
}
.flow-step:first-child .flow-dot{background:var(--accent)}
.flow-step h3{font-size:17px;margin-bottom:6px}
.flow-step p{font-size:14px;color:var(--muted);line-height:1.7;margin:0}

/* ---------- 频道切换 ---------- */
.switch-bar{background:var(--alt);padding:36px 0}
.switch-inner{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;justify-content:center;text-align:center;
}
.switch-inner .switch-label{font-size:14px;color:var(--muted);letter-spacing:1px;margin-right:4px}
.switch-pill{
  display:inline-flex;align-items:center;height:42px;padding:0 22px;border-radius:999px;
  background:#fff;border:1px solid var(--border);font-size:15px;color:var(--text);
  transition:border-color .2s ease,background-color .2s ease,color .2s ease,transform .2s ease;
}
.switch-pill:hover{border-color:var(--ink);color:var(--ink);transform:translateY(-1px)}
.switch-pill.is-active{background:var(--ink);border-color:var(--ink);color:#fff;font-weight:600}

/* ---------- CTA ---------- */
.cta-band{
  border-radius:18px;padding:48px;
  background-image:linear-gradient(100deg,var(--ink-deep),var(--ink));
  color:#fff;box-shadow:var(--sh-2);
}
.cta-band h2{color:#fff;font-size:28px;margin-bottom:12px}
.cta-band p{color:rgba(255,255,255,.82);font-size:16px;margin:0}
.cta-points{list-style:none;margin:22px 0 0;display:flex;flex-wrap:wrap;gap:10px}
.cta-points li{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.9);
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);
  border-radius:999px;height:32px;padding:0 16px;
}
.cta-side{display:flex;flex-direction:column;gap:14px;align-items:flex-start}
.cta-phone{
  display:flex;align-items:center;gap:12px;color:#fff;font-size:22px;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.cta-phone i{color:var(--accent);font-size:20px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-deep);color:rgba(255,255,255,.78);padding:64px 0 28px;margin-top:0}
.site-footer h4{
  color:#fff;font-size:14px;font-weight:600;letter-spacing:1px;margin:0 0 16px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.footer-brand .brand-mark{background:#fff;color:var(--ink-deep);width:36px;height:36px;font-size:18px}
.footer-brand-name{color:#fff;font-size:16px;font-weight:600;letter-spacing:.5px}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:300px}
.footer-links{list-style:none}
.footer-links li{margin-bottom:10px;font-size:14px;color:rgba(255,255,255,.72);line-height:1.7}
.footer-links a{color:rgba(255,255,255,.72)}
.footer-links a:hover{color:#fff}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  h1,.hero h1{font-size:36px}
}
@media (max-width:991.98px){
  body{font-size:16px}
  .brand-row{background:#fff;height:60px;border-bottom:1px solid var(--border)}
  .brand-mark{background:var(--ink);color:#fff}
  .brand-name{color:var(--ink)}
  .brand-sub{color:var(--muted)}
  .hero{padding:56px 0 48px}
  .hero h1{font-size:30px}
  .hero-lead{font-size:16.5px}
  .section{padding:64px 0}
  .doc-section{padding:56px 0 64px}
  .doc-body{padding:28px 24px}
  .doc-body h2{font-size:24px;margin-top:36px}
  .cta-band{padding:32px 24px}
  .cta-band h2{font-size:24px}
}
@media (max-width:767.98px){
  .container{padding-right:16px;padding-left:16px}
  .row-gutter{--bs-gutter-x:16px;--bs-gutter-y:16px}
  .section{padding:48px 0}
  h1,.hero h1{font-size:27px}
  h2,.sec-head h2{font-size:23px}
  .hero{padding:44px 0 40px}
  .hero-tag{height:30px;padding:0 14px;font-size:13px}
  .btn-main,.btn-line,.btn-line-light{height:46px;padding:0 20px;font-size:15px;width:100%}
  .hero-actions{gap:10px}
  .flow{grid-template-columns:1fr;gap:22px;margin-top:32px}
  .flow::before{left:15px;right:auto;top:16px;bottom:16px;width:1px;height:auto}
  .flow-step{text-align:left;padding:0 0 0 52px;min-height:32px}
  .flow-dot{margin:0;position:absolute;left:0;top:0}
  .scene-body{padding:22px}
  .scene-wide img{min-height:180px}
  .spec-table,.spec-table tbody,.spec-table tr,.spec-table td{display:block;width:100%}
  .spec-table thead{display:none}
  .spec-table tr{border:1px solid var(--border-soft);border-radius:12px;margin-bottom:12px;padding:6px 0;background:#fff !important}
  .spec-table td{border-bottom:none;padding:8px 16px}
  .spec-table td::before{
    content:attr(data-label);display:block;font-size:13px;color:var(--muted);letter-spacing:.5px;
  }
  .cta-phone{font-size:19px}
  .footer-bottom{flex-direction:column}
}