/* roulang page: index */
:root{
  --green:#1F5A4E;
  --green-mid:#3E8B78;
  --green-deep:#16453B;
  --orange:#C4763F;
  --bg:#FAF7F2;
  --bg-alt:#F1ECE3;
  --white:#FFFFFF;
  --dark:#16332C;
  --text:#1B211F;
  --text-2:#5C6663;
  --text-3:#8B9491;
  --line:#E2DCD0;
  --dash:#D9D3C7;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(22,51,44,.06);
  --sh-2:0 8px 24px -12px rgba(22,51,44,.20);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--green);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--orange);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:2px;}
h1,h2,h3,h4{line-height:1.35;letter-spacing:-.01em;font-weight:700;margin:0;color:var(--text);}
h1{font-size:40px;}
h2{font-size:30px;}
h3{font-size:20px;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;}
.container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;}
.section{padding:92px 0;}
.section-alt{background:var(--bg-alt);}
.section-head{margin-bottom:48px;}
.section-head.center{text-align:center;}
.section-head h2{font-size:30px;position:relative;}
.section-head.left h2{padding-left:16px;}
.section-head.left h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--green);}
.section-head .sub{margin-top:12px;color:var(--text-2);font-size:16px;}
.section-head.center .sub{max-width:520px;margin-left:auto;margin-right:auto;}

/* ===== 顶部信息条 ===== */
.topbar{background:var(--dark);color:#fff;font-size:13px;height:36px;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:36px;gap:16px;}
.topbar-left{display:flex;align-items:center;gap:10px;min-width:0;}
.topbar-domain{color:#C9D6D1;letter-spacing:.02em;white-space:nowrap;}
.topbar .dot{width:4px;height:4px;border-radius:50%;background:#5C7A71;flex:none;}
.topbar-tip{color:#AFC3BC;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar-right{display:flex;align-items:center;gap:14px;flex:none;}
.topbar-link{color:#DCE7E2;font-size:13px;}
.topbar-link:hover{color:var(--orange);text-decoration:none;}
.topbar-btn{
  height:32px;display:inline-flex;align-items:center;padding:0 14px;border-radius:999px;
  border:1px solid rgba(255,255,255,.42);color:#fff;font-size:13px;line-height:1;
}
.topbar-btn:hover{background:rgba(255,255,255,.12);color:#fff;text-decoration:none;}

/* ===== 主导航 ===== */
.site-header{
  position:relative;z-index:60;background:var(--bg);
  border-bottom:1px solid var(--line);height:68px;
}
.site-header.sticky{position:fixed;top:0;left:0;right:0;box-shadow:0 8px 20px -16px rgba(22,51,44,.45);}
.site-header.sticky + .page-body{padding-top:68px;}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px;gap:20px;}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;}
.brand:hover{text-decoration:none;}
.brand-mark{
  width:24px;height:24px;border-radius:7px;background:var(--green);
  display:inline-flex;align-items:center;justify-content:center;flex:none;
}
.brand-name{font-size:18px;font-weight:700;color:var(--text);letter-spacing:-.01em;}
.brand-divider{width:1px;height:16px;background:var(--line);flex:none;}
.brand-tag{font-size:13px;color:var(--text-3);}
.nav-menu{display:flex;align-items:center;gap:30px;}
.nav-link{
  font-size:15px;color:var(--text);position:relative;padding:6px 0;white-space:nowrap;
}
.nav-link:hover{color:var(--green);text-decoration:none;}
.nav-link.active{color:var(--green);font-weight:600;}
.nav-link.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-22px;height:2px;background:var(--green);
}
.nav-link.nav-cta{
  background:var(--green);color:#fff;font-weight:600;border-radius:var(--r-btn);
  padding:9px 18px;font-size:15px;transition:background .2s ease,transform .2s ease;
}
.nav-link.nav-cta:hover{background:var(--green-deep);color:#fff;transform:translateY(-1px);}
.nav-link.nav-cta::after{display:none;}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:var(--white);color:var(--green);font-size:17px;align-items:center;justify-content:center;
}
.nav-mobile-cta{display:none;}

/* ===== Hero ===== */
.hero{position:relative;overflow:hidden;padding:76px 0 84px;background:var(--bg);}
.hero-arc{
  position:absolute;top:-120px;right:-140px;width:520px;height:520px;border-radius:50%;
  border:1px solid rgba(31,90,78,.16);pointer-events:none;
}
.hero-arc::after{
  content:"";position:absolute;inset:56px;border-radius:50%;border:1px solid rgba(31,90,78,.10);
}
.hero-inner{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.badge-soft{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--green);
  background:rgba(31,90,78,.12);padding:5px 12px;border-radius:999px;margin-bottom:20px;
}
.hero h1{font-size:40px;margin-bottom:18px;}
.hero-sub{font-size:17px;color:var(--text-2);max-width:460px;}
.hero-actions{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap;}
.hero-stats{display:flex;margin-top:42px;}
.hero-stats .stat{padding:0 26px;border-left:1px solid var(--line);}
.hero-stats .stat:first-child{padding-left:0;border-left:none;}
.hero-stats strong{display:block;font-size:24px;color:var(--green);font-weight:700;line-height:1.3;}
.hero-stats span{font-size:13px;color:var(--text-3);}
.hero-media{position:relative;}
.hero-img{
  width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-card);
  border:1px solid var(--line);background:var(--bg-alt);
}
.hero-mini{
  position:absolute;right:-16px;bottom:-28px;width:190px;border-radius:var(--r-img);
  overflow:hidden;border:5px solid var(--bg);box-shadow:var(--sh-2);background:var(--bg-alt);
}
.hero-mini img{width:100%;aspect-ratio:4/3;object-fit:cover;}

/* ===== 按钮 ===== */
.btn-main,.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;padding:12px 24px;border-radius:var(--r-btn);
  transition:background .2s ease,color .2s ease,transform .2s ease,border-color .2s ease;
}
.btn-main{background:var(--green);color:#fff;border:1px solid var(--green);}
.btn-main:hover{background:var(--green-deep);border-color:var(--green-deep);color:#fff;transform:translateY(-1px);text-decoration:none;}
.btn-main:active{transform:translateY(0);}
.btn-line{background:var(--white);color:var(--green);border:1px solid var(--green);}
.btn-line:hover{background:rgba(31,90,78,.06);color:var(--green);text-decoration:none;}
.btn-orange{background:var(--orange);border-color:var(--orange);color:#fff;}
.btn-orange:hover{background:#AF6635;border-color:#AF6635;color:#fff;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--green);
}
.btn-text::after{content:"→";transition:transform .2s ease;}
.btn-text:hover{color:var(--orange);text-decoration:none;}
.btn-text:hover::after{transform:translateX(4px);}

/* ===== 信任带 ===== */
.trustbar{background:var(--dark);}
.trust-inner{display:flex;align-items:center;justify-content:center;height:72px;gap:0;overflow-x:auto;}
.trust-inner span{
  font-size:14px;color:#C9D6D1;padding:0 30px;white-space:nowrap;position:relative;line-height:1;
}
.trust-inner span + span::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:1px;height:14px;background:rgba(201,214,209,.28);
}

/* ===== 价值主张 ===== */
.value-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);height:100%;padding:24px;transition:box-shadow .25s ease;
}
.value-card:hover{box-shadow:var(--sh-2);}
.value-card img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-img);background:var(--bg-alt);}
.value-card h3{margin-top:20px;}
.value-card p{color:var(--text-2);font-size:15px;margin-top:10px;}
.value-card-lg{padding:24px;}
.check-list{margin-top:16px;}
.check-list li{
  position:relative;padding-left:24px;font-size:15px;color:var(--text-2);margin-bottom:8px;
}
.check-list li::before{
  content:"";position:absolute;left:0;top:11px;width:12px;height:12px;border-radius:4px;
  background:rgba(31,90,78,.14);
}
.check-list li::after{
  content:"";position:absolute;left:3px;top:15px;width:5px;height:2px;background:var(--green);
  transform:rotate(45deg);
}
.value-card-sm{display:flex;flex-direction:column;}
.value-card-sm .icon-box{
  width:40px;height:40px;border-radius:12px;background:rgba(31,90,78,.12);color:var(--green);
  display:inline-flex;align-items:center;justify-content:center;font-size:18px;
}
.value-card-sm h3{margin-top:18px;font-size:19px;}
.value-card-sm p{margin-top:10px;}

/* ===== 功能分组 ===== */
.feature-tabs{display:flex;flex-direction:column;gap:6px;position:sticky;top:96px;}
.ftab{
  text-align:left;background:transparent;border:none;border-left:3px solid transparent;
  padding:14px 16px;font-size:16px;color:var(--text-2);border-radius:0 10px 10px 0;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.ftab:hover{background:rgba(31,90,78,.06);color:var(--green);}
.ftab.active{
  border-left-color:var(--green);background:rgba(31,90,78,.08);color:var(--green);font-weight:600;
}
.fpanel{display:none;}
.fpanel.active{display:block;}
.func-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;height:100%;box-shadow:var(--sh-1);transition:box-shadow .25s ease;
}
.func-card:hover{box-shadow:var(--sh-2);}
.func-icon{
  width:32px;height:32px;border-radius:9px;background:rgba(31,90,78,.12);color:var(--green);
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;
}
.func-card h3{font-size:17px;margin-top:16px;}
.func-card p{font-size:15px;color:var(--text-2);margin-top:8px;line-height:1.8;}

/* ===== 场景 ===== */
.scene-row{
  display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;
  padding:40px 0;border-top:1px dashed var(--dash);
}
.scene-row:first-of-type{border-top:none;padding-top:0;}
.scene-row.reverse{grid-template-columns:5fr 7fr;}
.scene-row.reverse .scene-media{order:2;}
.scene-row.reverse .scene-copy{order:1;}
.scene-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-card);
  border:1px solid var(--line);background:var(--bg-alt);
}
.scene-copy h3{font-size:22px;margin-bottom:14px;}
.scene-copy p{color:var(--text-2);font-size:15px;}
.scene-copy .btn-text{margin-top:18px;}

/* ===== 案例 ===== */
.case-main{
  background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;height:100%;display:flex;flex-direction:column;box-shadow:var(--sh-1);
  transition:box-shadow .25s ease;
}
.case-main:hover{box-shadow:var(--sh-2);}
.case-main img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.case-body{padding:26px;display:flex;flex-direction:column;flex:1;}
.case-body p{color:var(--text-2);font-size:15px;margin-top:10px;}
.case-stats{display:flex;gap:36px;margin-top:auto;padding-top:24px;}
.case-stats strong{display:block;font-size:26px;color:var(--orange);line-height:1.25;}
.case-stats span{font-size:13px;color:var(--text-3);}
.case-mini{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);transition:box-shadow .25s ease;display:block;height:100%;
}
.case-mini:hover{box-shadow:var(--sh-2);text-decoration:none;}
.case-mini h3{font-size:17px;color:var(--text);}
.case-mini:hover h3{color:var(--green);}
.case-mini p{font-size:14px;color:var(--text-2);margin-top:8px;}
.case-mini .more{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:14px;color:var(--green);}
.case-mini .more::after{content:"→";transition:transform .2s ease;}
.case-mini:hover .more::after{transform:translateX(4px);}

/* ===== 价格 ===== */
.price-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 24px;height:100%;display:flex;flex-direction:column;position:relative;
  box-shadow:var(--sh-1);transition:box-shadow .25s ease,transform .25s ease;
}
.price-card:hover{box-shadow:var(--sh-2);}
.price-card.featured{
  border-top:3px solid var(--orange);transform:translateY(-10px);box-shadow:var(--sh-2);
}
.price-card.featured:hover{transform:translateY(-12px);}
.price-badge{
  position:absolute;top:-13px;right:22px;background:var(--orange);color:#fff;font-size:12px;
  padding:4px 12px;border-radius:999px;line-height:1.6;
}
.price-name{font-size:17px;font-weight:600;}
.price-desc{font-size:13px;color:var(--text-3);margin-top:6px;}
.price-amount{display:flex;align-items:baseline;gap:6px;margin:18px 0 22px;}
.price-amount .num{font-size:32px;font-weight:700;color:var(--text);line-height:1;}
.price-amount .unit{font-size:13px;color:var(--text-3);}
.price-feat{flex:1;}
.price-feat li{
  position:relative;padding-left:22px;font-size:14px;color:var(--text-2);margin-bottom:10px;
}
.price-feat li::before{
  content:"";position:absolute;left:0;top:9px;width:12px;height:12px;border-radius:4px;background:rgba(31,90,78,.14);
}
.price-feat li::after{
  content:"";position:absolute;left:3px;top:13px;width:5px;height:2px;background:var(--green);transform:rotate(45deg);
}
.price-card .btn-line,.price-card .btn-main{width:100%;margin-top:22px;}
.price-note{text-align:center;font-size:13px;color:var(--text-3);margin-top:36px;}

/* ===== 资讯 ===== */
.news-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;height:100%;box-shadow:var(--sh-1);transition:box-shadow .25s ease;
}
.news-card:hover{box-shadow:var(--sh-2);}
.news-card:hover .news-title{color:var(--green);}
.news-link{display:flex;flex-direction:column;height:100%;color:inherit;}
.news-link:hover{text-decoration:none;color:inherit;}
.news-cover{position:relative;}
.news-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--bg-alt);}
.news-cat{
  position:absolute;left:12px;top:12px;font-size:13px;padding:4px 10px;border-radius:999px;
  background:rgba(255,255,255,.92);color:var(--green);
}
.news-body{padding:20px 24px 24px;display:flex;flex-direction:column;flex:1;}
.news-title{
  font-size:18px;font-weight:600;color:var(--text);line-height:1.5;transition:color .2s ease;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-summary{
  font-size:14px;color:var(--text-2);margin-top:10px;line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;padding-top:18px;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3);border-top:1px dashed var(--dash);margin-top:18px;
}
.news-meta .arrow{color:var(--green);}
.empty-state{
  background:var(--white);border:1px dashed var(--dash);border-radius:var(--r-card);
  max-height:220px;padding:40px 24px;text-align:center;
}
.empty-state svg{width:48px;height:48px;color:rgba(31,90,78,.2);margin:0 auto 12px;}
.empty-main{font-size:15px;color:var(--text-2);}
.empty-sub{font-size:13px;color:var(--text-3);margin-top:6px;}

/* ===== FAQ ===== */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);border-left:3px solid transparent;transition:border-color .2s ease;}
.faq-item.open{border-left-color:var(--green);}
.faq-q{
  width:100%;background:transparent;border:none;text-align:left;padding:20px 44px 20px 20px;
  font-size:16px;font-weight:600;color:var(--text);position:relative;
}
.faq-q::after{
  content:"";position:absolute;right:20px;top:50%;width:9px;height:9px;
  border-right:1.5px solid var(--green);border-bottom:1.5px solid var(--green);
  transform:translateY(-70%) rotate(45deg);transition:transform .2s ease;
}
.faq-item.open .faq-q::after{transform:translateY(-30%) rotate(-135deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease;}
.faq-item.open .faq-a{max-height:520px;}
.faq-a p{padding:0 44px 22px 20px;font-size:15px;color:var(--text-2);}

/* ===== CTA ===== */
.cta-band{background:var(--dark);padding:64px 0;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;}
.cta-inner h2{color:#fff;font-size:26px;}
.cta-inner p{color:#AFC3BC;font-size:15px;margin-top:10px;}

/* ===== 页脚 ===== */
.site-footer{background:var(--dark);color:#AFC3BC;padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:5fr 2fr 2fr 3fr;gap:32px;}
.footer-brand .brand-name{color:#fff;}
.footer-brand .brand-divider{background:rgba(255,255,255,.2);}
.footer-brand .brand-tag{color:#8FA8A0;}
.footer-desc{font-size:14px;line-height:1.85;margin-top:18px;color:#AFC3BC;}
.footer-domain{font-size:14px;color:#8FA8A0;margin-top:14px;}
.footer-col h4{font-size:14px;font-weight:600;color:var(--green-mid);margin-bottom:16px;letter-spacing:.02em;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:#C9D6D1;}
.footer-col a:hover{color:var(--orange);}
.footer-col .plain{font-size:14px;color:#C9D6D1;}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.1);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8FA8A0;
}

/* ===== 响应式 ===== */
@media (max-width:1399px){
  .container{max-width:1140px;}
}
@media (max-width:1199px){
  h1{font-size:34px;}
  .hero h1{font-size:34px;}
  .section{padding:80px 0;}
}
@media (max-width:991px){
  .topbar-right .topbar-link{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-menu{
    position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;gap:0;
    background:var(--bg);border-bottom:1px solid var(--line);box-shadow:var(--sh-2);
    max-height:0;overflow:hidden;transition:max-height .28s ease;z-index:70;
  }
  .nav-menu.open{max-height:640px;}
  .nav-link{padding:15px 24px;border-bottom:1px solid var(--dash);font-size:16px;}
  .nav-link.active::after{display:none;}
  .nav-link.active{border-left:3px solid var(--green);padding-left:21px;}
  .nav-link.nav-cta{margin:16px 24px;border-radius:var(--r-btn);text-align:center;justify-content:center;display:flex;}
  .nav-mobile-cta{display:flex;gap:12px;padding:16px 24px 24px;}
  .nav-mobile-cta a{flex:1;justify-content:center;}
  .hero{padding:56px 0 72px;}
  .hero-inner{grid-template-columns:1fr;gap:44px;}
  .hero-sub{max-width:none;}
  .hero-mini{width:150px;right:8px;bottom:-20px;}
  .feature-tabs{flex-direction:row;overflow-x:auto;position:static;gap:8px;margin-bottom:24px;}
  .ftab{border-left:none;border-bottom:3px solid transparent;border-radius:10px 10px 0 0;white-space:nowrap;}
  .ftab.active{border-left:none;border-bottom-color:var(--green);}
  .scene-row,.scene-row.reverse{grid-template-columns:1fr;gap:28px;}
  .scene-row.reverse .scene-media{order:1;}
  .scene-row.reverse .scene-copy{order:2;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .price-card.featured{transform:none;}
  .price-card.featured:hover{transform:translateY(-2px);}
}
@media (max-width:767px){
  .section{padding:60px 0;}
  h1{font-size:28px;}
  .hero h1{font-size:28px;}
  h2,.section-head h2{font-size:22px;}
  h3{font-size:17px;}
  body{font-size:15px;}
  .container{padding-left:16px;padding-right:16px;}
  .trust-inner{justify-content:flex-start;height:64px;}
  .trust-inner span{padding:0 18px;}
  .hero-stats{flex-wrap:wrap;gap:18px 0;margin-top:32px;}
  .hero-stats .stat{padding:0 18px;}
  .hero-stats strong{font-size:20px;}
  .case-stats{gap:22px;}
  .case-stats strong{font-size:22px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .price-feat li{font-size:15px;}
}
@media (max-width:575px){
  .hero-stats .stat{padding:0 12px;}
  .hero-stats strong{font-size:18px;}
  .hero-stats span{font-size:12px;}
  .btn-main,.btn-line{width:100%;}
  .hero-actions{flex-direction:column;}
  .hero-mini{display:none;}
  .cta-inner h2{font-size:21px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: article */
:root{
  --c-main:#1F5A4E;
  --c-main-hover:#16453B;
  --c-main-light:#3E8B78;
  --c-accent:#C4763F;
  --c-bg:#FAF7F2;
  --c-bg-alt:#F1ECE3;
  --c-white:#FFFFFF;
  --c-dark:#16332C;
  --t-main:#1B211F;
  --t-sub:#5C6663;
  --t-weak:#8B9491;
  --border:#E2DCD0;
  --dash:#D9D3C7;
  --r-card:14px;
  --r-btn:10px;
  --r-input:10px;
  --r-img:12px;
  --r-pill:999px;
  --sh-card:0 1px 2px rgba(22,51,44,.06);
  --sh-hover:0 8px 24px -12px rgba(22,51,44,.20);
  --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{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--t-main);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans",system-ui,-apple-system,sans-serif;
  font-size:16px;
  font-weight:400;
  line-height:1.85;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-main);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--c-accent);text-decoration:underline;text-underline-offset:2px;}
button{font-family:inherit;}
h1,h2,h3,h4{font-weight:700;letter-spacing:-0.01em;line-height:1.35;color:var(--t-main);}
p{margin:0 0 1.1em;}
::selection{background:rgba(31,90,78,.14);}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}

/* ============ header / nav ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--c-bg);
  border-bottom:1px solid var(--border);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 1px 12px rgba(22,51,44,.06);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px;position:relative;}
.brand{display:flex;align-items:center;gap:10px;color:var(--t-main);text-decoration:none;}
.brand:hover{text-decoration:none;color:var(--t-main);}
.brand-mark{width:24px;height:24px;border-radius:7px;background:var(--c-main);display:flex;align-items:center;justify-content:center;flex:0 0 24px;}
.brand-name{font-size:18px;font-weight:700;letter-spacing:-0.01em;}
.brand-divider{width:1px;height:16px;background:var(--border);}
.brand-tag{font-size:13px;color:var(--t-sub);}
.nav-menu{display:flex;align-items:center;gap:26px;}
.nav-link{
  position:relative;font-size:15px;color:var(--t-main);
  padding:6px 0;white-space:nowrap;text-decoration:none;
}
.nav-link:hover{color:var(--c-main);text-decoration:none;}
.nav-link.active{color:var(--c-main);font-weight:600;}
.nav-link.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--c-main);border-radius:2px;
}
.nav-link.nav-cta{
  background:var(--c-main);color:#fff;padding:9px 18px;border-radius:var(--r-btn);font-weight:500;
  transition:background .18s ease,transform .18s ease;
}
.nav-link.nav-cta:hover{background:var(--c-main-hover);color:#fff;transform:translateY(-1px);}
.nav-link.nav-cta:active{transform:translateY(0);}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--border);border-radius:var(--r-btn);
  background:var(--c-white);color:var(--c-main);font-size:18px;align-items:center;justify-content:center;
}
.nav-mobile-cta{display:none;}

/* ============ 面包屑 / 页头 ============ */
.page-top{padding:36px 0 0;}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--t-weak);
  min-height:44px;border-bottom:1px dashed var(--dash);
}
.crumb a{color:var(--t-sub);}
.crumb a:hover{color:var(--c-main);}
.crumb .sep{color:var(--dash);}
.crumb .current{color:var(--t-weak);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ============ 文章头 ============ */
.article-head{padding:40px 0 8px;max-width:820px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;line-height:1;padding:5px 11px;border-radius:var(--r-pill);
  background:rgba(31,90,78,.12);color:var(--c-main);
}
.article-title{font-size:40px;margin:18px 0 18px;letter-spacing:-0.01em;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13px;color:var(--t-weak);}
.article-meta .item{display:inline-flex;align-items:center;gap:6px;}
.article-meta .item + .item{padding-left:14px;border-left:1px solid var(--border);}
.article-lede{
  margin-top:24px;padding:20px 22px;border-left:3px solid var(--c-main);
  background:var(--c-bg-alt);border-radius:0 var(--r-card) var(--r-card) 0;
  color:var(--t-sub);font-size:15px;
}

/* ============ 正文排版 ============ */
.reading{padding:32px 0 72px;}
.article-body{max-width:760px;margin:0 auto;font-size:16px;line-height:1.85;color:var(--t-main);}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.6em;color:#2A3230;}
.article-body h2{
  position:relative;font-size:22px;margin:48px 0 20px;padding-left:14px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:2px;background:var(--c-main);
}
.article-body h3{font-size:18px;margin:36px 0 14px;}
.article-body h4{font-size:16px;margin:28px 0 12px;color:var(--t-sub);}
.article-body a{color:var(--c-main);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px;}
.article-body a:hover{color:var(--c-accent);}
.article-body img{border-radius:var(--r-img);margin:28px auto;box-shadow:var(--sh-card);}
.article-body figure{margin:28px 0;}
.article-body figcaption{font-size:13px;color:var(--t-weak);text-align:center;margin-top:10px;}
.article-body blockquote{
  margin:28px 0;padding:20px 22px;border-left:3px solid var(--c-main);
  background:var(--c-bg-alt);border-radius:0 var(--r-card) var(--r-card) 0;color:var(--t-sub);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body ul,.article-body ol{margin:0 0 1.6em;padding-left:0;list-style:none;}
.article-body li{position:relative;padding-left:26px;margin-bottom:10px;color:#2A3230;}
.article-body ul li::before{
  content:"";position:absolute;left:6px;top:12px;width:7px;height:7px;border-radius:2px;background:var(--c-main);
}
.article-body ol{counter-reset:li;}
.article-body ol li{counter-increment:li;}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:4px;width:19px;height:19px;border-radius:50%;
  background:var(--c-main);color:#fff;font-size:12px;line-height:19px;text-align:center;
}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;
  display:block;overflow-x:auto;white-space:nowrap;
}
.article-body th,.article-body td{border:1px solid var(--border);padding:11px 14px;text-align:left;}
.article-body th{background:var(--c-bg-alt);font-weight:600;color:var(--t-main);}
.article-body hr{border:0;border-top:1px dashed var(--dash);margin:40px 0;}
.article-body code{background:var(--c-bg-alt);padding:2px 6px;border-radius:6px;font-size:14px;}

/* 空态 */
.empty-state{
  max-width:760px;margin:0 auto;padding:64px 24px;text-align:center;background:var(--c-white);
  border:1px solid var(--border);border-radius:var(--r-card);box-shadow:var(--sh-card);
}
.empty-state .icon{
  width:48px;height:48px;margin:0 auto 18px;border-radius:12px;
  background:rgba(31,90,78,.12);color:var(--c-main);display:flex;align-items:center;justify-content:center;font-size:20px;
}
.empty-state h2{font-size:20px;margin:0 0 8px;}
.empty-state p{font-size:13px;color:var(--t-weak);margin:0 0 22px;}

/* 文末 */
.article-foot{
  max-width:760px;margin:8px auto 0;padding-top:24px;
  border-top:1px dashed var(--dash);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.tag{
  font-size:13px;padding:5px 11px;border-radius:var(--r-pill);
  border:1px solid var(--border);color:var(--t-sub);background:var(--c-white);
}
.back-link{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;color:var(--c-main);font-weight:500;
}
.back-link:hover{color:var(--c-accent);text-decoration:none;gap:10px;}
.back-link i{font-size:13px;}

/* ============ 继续了解卡片 ============ */
.next-step{padding:8px 0 88px;}
.next-step h2{font-size:30px;margin:0 0 10px;}
.sec-sub{color:var(--t-sub);font-size:15px;margin:0 0 32px;max-width:640px;}
.next-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:24px;}
.next-card{
  display:flex;flex-direction:column;background:var(--c-white);border:1px solid var(--border);
  border-radius:var(--r-card);box-shadow:var(--sh-card);overflow:hidden;height:100%;
  transition:box-shadow .2s ease,transform .2s ease;text-decoration:none;
}
.next-card:hover{box-shadow:var(--sh-hover);color:inherit;text-decoration:none;}
.next-card .thumb{aspect-ratio:16/9;background:#F1ECE3;overflow:hidden;}
.next-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.next-card:hover .thumb img{transform:scale(1.02);}
.next-card .body{padding:24px;display:flex;flex-direction:column;gap:10px;}
.next-card h3{font-size:18px;margin:0;}
.next-card:hover h3{color:var(--c-main);}
.next-card p{font-size:14px;color:var(--t-sub);margin:0;}
.next-card .go{margin-top:auto;font-size:14px;color:var(--c-main);display:inline-flex;align-items:center;gap:6px;padding-top:8px;}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;background-color:var(--c-dark);
  background-image:linear-gradient(rgba(22,51,44,.90),rgba(22,51,44,.94)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  color:#fff;padding:64px 0;
}
.cta-band .inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-band h2{color:#fff;font-size:28px;margin:0 0 8px;}
.cta-band p{color:#C9D6D1;font-size:15px;margin:0;}
.btn-accent{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--c-accent);color:#fff;font-size:16px;font-weight:600;
  padding:14px 28px;border-radius:var(--r-btn);border:0;white-space:nowrap;
  transition:background .18s ease,transform .18s ease;
}
.btn-accent:hover{background:#AE652F;color:#fff;text-decoration:none;transform:translateY(-1px);}
.btn-accent:active{transform:translateY(0);}

/* ============ footer ============ */
.site-footer{background:var(--c-dark);color:#C9D6D1;padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px;}
.site-footer .brand{color:#fff;}
.site-footer .brand:hover{color:#fff;}
.site-footer .brand-mark{background:var(--c-main-light);}
.site-footer .brand-tag{color:#8FA9A2;}
.site-footer .brand-divider{background:rgba(255,255,255,.18);}
.footer-desc{font-size:14px;line-height:1.8;color:#A9BDB7;margin:18px 0 10px;max-width:42ch;}
.footer-domain{font-size:13px;color:#7F958F;margin:0;}
.footer-col h4{font-size:14px;font-weight:600;color:#E4EDEA;margin:0 0 16px;}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:14px;color:#A9BDB7;}
.footer-col a:hover{color:#fff;text-decoration:none;}
.footer-col .plain{font-size:14px;color:#A9BDB7;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 28px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:#7F958F;
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .next-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:991px){
  .nav-toggle{display:flex;}
  .nav-menu{
    display:none;position:absolute;left:-24px;right:-24px;top:68px;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--c-bg);border-bottom:1px solid var(--border);
    box-shadow:0 12px 24px -16px rgba(22,51,44,.35);
    padding:6px 24px 22px;
  }
  .nav-menu.open{display:flex;}
  .nav-link{height:48px;display:flex;align-items:center;border-bottom:1px solid var(--border);padding:0;}
  .nav-link.active::after{display:none;}
  .nav-link.nav-cta{margin-top:16px;height:44px;justify-content:center;border-bottom:0;}
  .nav-mobile-cta{display:flex;gap:12px;margin-top:12px;}
  .nav-mobile-cta .btn-main,.nav-mobile-cta .btn-line{
    flex:1;text-align:center;font-size:15px;padding:11px 0;border-radius:var(--r-btn);
  }
  .nav-mobile-cta .btn-main{background:var(--c-main);color:#fff;}
  .nav-mobile-cta .btn-main:hover{background:var(--c-main-hover);color:#fff;text-decoration:none;}
  .nav-mobile-cta .btn-line{border:1px solid var(--c-main);color:var(--c-main);background:#fff;}
  .nav-mobile-cta .btn-line:hover{background:rgba(31,90,78,.06);color:var(--c-main);text-decoration:none;}
  .article-title{font-size:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  body{font-size:15px;}
  .article-title{font-size:28px;}
  .page-top{padding:22px 0 0;}
  .article-head{padding:28px 0 6px;}
  .article-body h2{font-size:20px;margin-top:36px;}
  .article-body h3{font-size:17px;}
  .reading{padding:24px 0 56px;}
  .next-step{padding-bottom:56px;}
  .next-step h2{font-size:22px;}
  .next-grid{grid-template-columns:1fr;}
  .cta-band{padding:48px 0;}
  .cta-band h2{font-size:22px;}
  .btn-accent{width:100%;justify-content:center;}
  .article-foot{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:32px;}
}
@media (max-width:519px){
  .brand-tag{display:none;}
  .brand-divider{display:none;}
  .article-meta .item + .item{padding-left:0;border-left:0;}
  .article-meta{gap:10px;}
}

/* roulang page: category1 */
:root{
  --main:#1F5A4E;
  --main-light:#3E8B78;
  --main-dark:#16453B;
  --accent:#C4763F;
  --accent-dark:#A9612F;
  --bg:#FAF7F2;
  --bg-alt:#F1ECE3;
  --card:#FFFFFF;
  --dark:#16332C;
  --text:#1B211F;
  --text-2:#5C6663;
  --text-3:#8B9491;
  --border:#E2DCD0;
  --dash:#D9D3C7;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(22,51,44,.06);
  --sh-2:0 8px 24px -12px rgba(22,51,44,.20);
  --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;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-weight:700;line-height:1.35;letter-spacing:-.01em;margin:0;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
a{color:var(--main);text-decoration:none;transition:color .2s,border-color .2s,background-color .2s;}
a:hover{color:var(--accent);text-decoration:underline;text-underline-offset:2px;}
img{max-width:100%;display:block;height:auto;background:#F1ECE3;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
section{padding:88px 0;}
.section-alt{background:var(--bg-alt);}

/* 顶部信息条 */
.topbar{background:var(--dark);color:#fff;font-size:13px;height:36px;display:flex;align-items:center;}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.topbar-left{display:flex;align-items:center;gap:10px;color:#C9D6D1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar-left .dot{width:4px;height:4px;border-radius:50%;background:var(--main-light);flex:none;}
.topbar-right{display:flex;align-items:center;gap:14px;}
.topbar-right a{color:#fff;font-size:13px;}
.topbar-right a:hover{color:#C9D6D1;text-decoration:none;}
.topbar .mini-btn{display:inline-flex;align-items:center;height:32px;padding:0 14px;border:1px solid rgba(255,255,255,.5);border-radius:8px;font-size:13px;}
.topbar .mini-btn:hover{border-color:#fff;background:rgba(255,255,255,.08);}

/* 主导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--bg);
  border-bottom:1px solid var(--border);
  transition:box-shadow .25s ease;
}
.site-header.scrolled{box-shadow:0 4px 18px rgba(22,51,44,.06);}
.nav-inner{height:68px;display:flex;align-items:center;justify-content:space-between;gap:24px;}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);flex:none;}
.brand:hover{color:var(--text);text-decoration:none;}
.brand-mark{width:24px;height:24px;border-radius:7px;background:var(--main);display:inline-flex;align-items:center;justify-content:center;flex:none;}
.brand-name{font-size:18px;font-weight:700;letter-spacing:-.01em;}
.brand-divider{width:1px;height:16px;background:var(--border);}
.brand-tag{font-size:13px;color:var(--text-2);white-space:nowrap;}
.nav-menu{display:flex;align-items:center;gap:26px;}
.nav-link{font-size:15px;color:var(--text);position:relative;padding:6px 0;white-space:nowrap;}
.nav-link:hover{color:var(--main);text-decoration:none;}
.nav-link.active{color:var(--main);font-weight:600;}
.nav-link.active::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;background:var(--main);border-radius:2px;}
.nav-cta{background:var(--main);color:#fff;padding:9px 18px;border-radius:var(--r-btn);font-size:15px;font-weight:600;}
.nav-cta:hover{background:var(--main-dark);color:#fff;text-decoration:none;}
.nav-cta.active::after{display:none;}
.nav-toggle{display:none;width:40px;height:40px;border:1px solid var(--border);background:#fff;border-radius:10px;color:var(--main);font-size:17px;align-items:center;justify-content:center;}
.nav-mobile-cta{display:none;}

/* 按钮 */
.btn-main,.btn-line,.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  transition:background-color .2s,color .2s,border-color .2s,transform .2s,box-shadow .2s;
}
.btn-main{background:var(--main);border-color:var(--main);color:#fff;}
.btn-main:hover{background:var(--main-dark);border-color:var(--main-dark);color:#fff;text-decoration:none;transform:translateY(-1px);}
.btn-main:active{transform:none;}
.btn-line{background:#fff;border-color:var(--main);color:var(--main);}
.btn-line:hover{background:rgba(31,90,78,.06);color:var(--main);text-decoration:none;}
.btn-accent{background:var(--accent);border-color:var(--accent);color:#fff;}
.btn-accent:hover{background:var(--accent-dark);border-color:var(--accent-dark);color:#fff;text-decoration:none;transform:translateY(-1px);}
.btn-accent:active{transform:none;}
.btn-text{display:inline-flex;align-items:center;font-size:15px;font-weight:600;color:var(--main);}
.btn-text::after{content:"→";margin-left:6px;transition:transform .2s;}
.btn-text:hover{color:var(--accent);text-decoration:none;}
.btn-text:hover::after{transform:translateX(3px);}

/* 徽章与标签 */
.badge-soft{display:inline-block;font-size:13px;padding:4px 10px;border-radius:999px;background:rgba(31,90,78,.12);color:var(--main);font-weight:600;}
.badge-accent{display:inline-block;font-size:13px;padding:4px 10px;border-radius:999px;background:rgba(196,118,63,.14);color:var(--accent);font-weight:600;}

/* 面包屑 */
.crumb{padding:20px 0 0;font-size:13px;color:var(--text-3);}
.crumb a{color:var(--text-2);}
.crumb span.sep{margin:0 8px;color:var(--text-3);}
.crumb .now{color:var(--text-3);}

/* Hero */
.hero{position:relative;padding:56px 0 88px;overflow:hidden;}
.hero::before{
  content:"";position:absolute;right:-140px;top:-120px;width:520px;height:520px;
  border:1px solid rgba(31,90,78,.16);border-radius:50%;pointer-events:none;
}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.hero h1{font-size:40px;margin:16px 0 16px;}
.hero .lead{font-size:17px;color:var(--text-2);max-width:520px;margin-bottom:20px;}
.hero .intro{font-size:15px;color:var(--text-2);max-width:540px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px;}
.hero-metrics{display:flex;flex-wrap:wrap;}
.hero-metrics .m{padding:0 24px;border-left:1px solid var(--border);}
.hero-metrics .m:first-child{padding-left:0;border-left:0;}
.hero-metrics b{display:block;font-size:26px;color:var(--main);line-height:1.25;font-weight:700;}
.hero-metrics span{font-size:13px;color:var(--text-2);}
.hero-media{position:relative;}
.hero-media img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-card);}
.float-card{
  position:absolute;right:-18px;bottom:-28px;width:206px;background:#fff;
  border:1px solid var(--border);border-radius:var(--r-img);box-shadow:var(--sh-2);padding:12px;
}
.float-card img{border-radius:8px;aspect-ratio:16/9;object-fit:cover;}
.float-card p{margin-top:8px;font-size:13px;line-height:1.55;color:var(--text-2);}

/* 锚点导航条 */
.anchor-bar{position:sticky;top:68px;z-index:50;background:var(--bg-alt);border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.anchor-inner{display:flex;gap:28px;height:56px;align-items:center;overflow-x:auto;white-space:nowrap;scrollbar-width:none;}
.anchor-inner::-webkit-scrollbar{display:none;}
.anchor-inner a{font-size:15px;color:var(--text-2);padding:4px 0;border-bottom:2px solid transparent;}
.anchor-inner a:hover,.anchor-inner a.on{color:var(--main);border-color:var(--main);text-decoration:none;}

/* 区块标题 */
.section-head{max-width:680px;margin:0 auto 48px;text-align:center;}
.section-head h2{font-size:30px;margin-bottom:14px;}
.section-head p{font-size:16px;color:var(--text-2);}
.head-left{max-width:680px;margin:0 0 40px;}
.head-left h2{font-size:30px;position:relative;padding-left:16px;margin-bottom:12px;}
.head-left h2::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;border-radius:2px;background:var(--main);}
.head-left p{color:var(--text-2);}

/* 能力分组 */
.cap-layout{display:grid;grid-template-columns:216px 1fr;gap:40px;align-items:start;}
.cap-tabs{display:flex;flex-direction:column;gap:4px;position:sticky;top:148px;}
.cap-tabs li a{display:block;font-size:15px;color:var(--text-2);padding:12px 14px;border-radius:10px;border-left:3px solid transparent;}
.cap-tabs li a:hover{background:#fff;color:var(--main);text-decoration:none;}
.cap-tabs li a.on{border-left-color:var(--main);background:#fff;color:var(--main);font-weight:600;box-shadow:var(--sh-1);}
.cap-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.feature-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);height:100%;transition:box-shadow .25s,border-color .25s;
}
.feature-card:hover{box-shadow:var(--sh-2);}
.feature-card h3{font-size:20px;margin-bottom:8px;transition:color .2s;}
.feature-card:hover h3{color:var(--main);}
.feature-card p{font-size:15px;color:var(--text-2);}
.icon-box{width:32px;height:32px;border-radius:8px;background:rgba(31,90,78,.12);color:var(--main);display:flex;align-items:center;justify-content:center;font-size:14px;margin-bottom:14px;}
.feature-card.is-wide{grid-column:span 2;display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center;background:var(--bg-alt);padding:32px;}
.feature-card.is-wide .fc-body{order:1;}
.feature-card.is-wide .fc-media{order:2;}
.feature-card.is-wide img{border-radius:var(--r-img);aspect-ratio:4/3;object-fit:cover;width:100%;}
.fc-list{margin-top:14px;display:flex;flex-direction:column;gap:8px;}
.fc-list li{font-size:14px;color:var(--text-2);display:flex;gap:8px;align-items:flex-start;}
.fc-list li i{color:var(--main);font-size:12px;margin-top:7px;}

/* 图文节奏 */
.flow-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.flow-media img{border-radius:var(--r-card);aspect-ratio:16/9;object-fit:cover;width:100%;}
.steps{margin-top:24px;display:flex;flex-direction:column;gap:18px;}
.step-item{display:flex;gap:16px;padding-bottom:18px;border-bottom:1px dashed var(--dash);}
.step-item:last-child{border-bottom:0;padding-bottom:0;}
.step-num{width:32px;height:32px;border-radius:50%;background:var(--main);color:#fff;font-size:14px;font-weight:700;display:flex;align-items:center;justify-content:center;flex:none;}
.step-item h3{font-size:17px;margin-bottom:4px;}
.step-item p{font-size:15px;color:var(--text-2);}

/* 对比表 */
.compare-wrap{overflow-x:auto;background:#fff;border:1px solid var(--border);border-radius:var(--r-card);box-shadow:var(--sh-1);}
table.compare{width:100%;min-width:720px;border-collapse:collapse;}
table.compare th,table.compare td{padding:16px 20px;font-size:15px;text-align:left;border-bottom:1px solid var(--border);vertical-align:top;}
table.compare thead th{background:var(--bg-alt);font-size:14px;font-weight:600;color:var(--text);}
table.compare tbody tr:last-child td{border-bottom:0;}
table.compare td.key{color:var(--text-2);width:24%;}
table.compare td.hl{color:var(--main);font-weight:600;}
table.compare td.mute{color:var(--text-3);}
table.compare i.fa-check{color:var(--main);margin-right:6px;}
table.compare i.fa-xmark{color:var(--text-3);margin-right:6px;}

/* 数据带 */
.stats-band{background:var(--dark);color:#fff;padding:56px 0;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center;}
.stats-grid b{display:block;font-size:32px;color:var(--accent);line-height:1.3;font-weight:700;}
.stats-grid span{font-size:14px;color:#C9D6D1;}

/* FAQ */
.faq-wrap{max-width:860px;margin:0 auto;}
.accordion-item{background:transparent;border:0;border-bottom:1px solid var(--border);}
.accordion-item:first-of-type{border-top:1px solid var(--border);}
.accordion-button{
  background:transparent;border-radius:0 !important;box-shadow:none !important;
  font-size:16px;font-weight:600;color:var(--text);padding:20px 40px 20px 0;line-height:1.6;
}
.accordion-button:not(.collapsed){color:var(--main);background:transparent;border-left:3px solid var(--main);padding-left:16px;}
.accordion-button::after{
  background-image:none;width:9px;height:9px;border-right:2px solid var(--main);border-bottom:2px solid var(--main);
  transform:rotate(45deg);transition:transform .2s;flex:none;
}
.accordion-button:not(.collapsed)::after{transform:rotate(-135deg);}
.accordion-body{padding:0 40px 22px 0;font-size:15px;color:var(--text-2);}

/* CTA 带 */
.cta-band{background:var(--dark);padding:64px 0;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;}
.cta-inner h2{font-size:26px;color:#fff;margin-bottom:10px;}
.cta-inner p{color:#C9D6D1;font-size:15px;}

/* 页脚 */
.site-footer{background:var(--dark);color:#C9D6D1;padding:64px 0 0;font-size:14px;}
.footer-grid{display:grid;grid-template-columns:4fr 2fr 2fr 2fr;gap:40px;padding-bottom:48px;}
.footer-brand .brand{color:#fff;}
.footer-brand .brand:hover{color:#fff;text-decoration:none;}
.footer-brand .brand-name{color:#fff;}
.footer-brand .brand-tag{color:#C9D6D1;}
.footer-brand .brand-divider{background:rgba(255,255,255,.24);}
.footer-desc{margin:18px 0 10px;line-height:1.85;max-width:360px;}
.footer-domain{color:#8FA6A0;font-size:13px;}
.footer-col h4{font-size:14px;font-weight:600;color:#7FBFAA;margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{color:#C9D6D1;}
.footer-col a:hover{color:#fff;text-decoration:none;}
.footer-col .plain{color:#A9BAB4;font-size:14px;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.14);padding:20px 0;font-size:13px;color:#8FA6A0;
}

/* 响应式 */
@media (max-width:1199px){
  .cap-layout{grid-template-columns:1fr;gap:28px;}
  .cap-tabs{position:static;flex-direction:row;overflow-x:auto;gap:10px;padding-bottom:4px;}
  .cap-tabs li a{white-space:nowrap;border-left:0;border-bottom:3px solid transparent;background:#fff;border-radius:10px 10px 0 0;}
  .cap-tabs li a.on{border-bottom-color:var(--main);}
  .footer-grid{grid-template-columns:2fr 1fr 1fr 1fr;}
}
@media (max-width:991px){
  section{padding:64px 0;}
  .nav-toggle{display:inline-flex;}
  .nav-menu{
    display:none;position:absolute;left:0;right:0;top:68px;
    background:var(--bg);border-bottom:1px solid var(--border);
    flex-direction:column;align-items:stretch;gap:0;padding:8px 24px 20px;
    box-shadow:var(--sh-2);
  }
  .nav-menu.open{display:flex;}
  .nav-link{padding:0;height:48px;display:flex;align-items:center;border-bottom:1px solid var(--border);font-size:15px;}
  .nav-link.active::after{display:none;}
  .nav-link.active{color:var(--main);}
  .nav-cta{justify-content:center;margin-top:16px;border-radius:10px;border-bottom:0;}
  .nav-mobile-cta{display:flex;gap:12px;margin-top:16px;}
  .nav-mobile-cta a{flex:1;}
  .hero{padding:40px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:48px;}
  .hero h1{font-size:32px;}
  .float-card{right:12px;bottom:-24px;width:180px;}
  .anchor-bar{top:68px;}
  .cap-grid{grid-template-columns:1fr;}
  .feature-card.is-wide{grid-column:auto;grid-template-columns:1fr;padding:24px;}
  .feature-card.is-wide .fc-media{order:1;}
  .feature-card.is-wide .fc-body{order:2;}
  .flow-grid{grid-template-columns:1fr;gap:36px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-desc{max-width:none;}
}
@media (max-width:767px){
  .topbar-right .mini-btn{display:none;}
  .cta-inner .btn-accent{width:100%;}
  .hero-actions a{flex:1;justify-content:center;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px;}
}
@media (max-width:575px){
  .container{padding:0 16px;}
  section{padding:56px 0;}
  .hero h1{font-size:28px;}
  .hero .lead{font-size:16px;}
  .section-head h2,.head-left h2{font-size:22px;}
  .hero-metrics .m{padding:0 14px;}
  .hero-metrics b{font-size:22px;}
  .hero-actions{flex-direction:column;}
  .hero-actions a{width:100%;}
  .stats-grid b{font-size:26px;}
  .cta-inner h2{font-size:22px;}
  .feature-card{padding:18px;}
  .compare-wrap{border-radius:10px;}
}

/* roulang page: category2 */
:root{
  --brand:#1F5A4E;
  --brand-light:#3E8B78;
  --brand-deep:#16453B;
  --accent:#C4763F;
  --accent-deep:#A9612F;
  --bg:#FAF7F2;
  --bg-alt:#F1ECE3;
  --white:#FFFFFF;
  --dark:#16332C;
  --text:#1B211F;
  --text-2:#5C6663;
  --text-3:#8B9491;
  --border:#E2DCD0;
  --dash:#D9D3C7;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(22,51,44,.06);
  --sh-2:0 8px 24px -12px rgba(22,51,44,.20);
  --font:"Noto Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  font-weight:400;
}
img{display:block;max-width:100%;height:auto;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--accent);text-decoration:underline;text-underline-offset:2px;}
h1,h2,h3,h4{margin:0;line-height:1.35;letter-spacing:-.01em;font-weight:700;color:var(--text);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button,input,textarea,select{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ============ 顶部信息条 ============ */
.topbar{background:var(--dark);color:#C9D6D1;font-size:13px;line-height:36px;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.topbar-left{display:flex;align-items:center;gap:10px;min-width:0;}
.topbar-domain{color:#fff;font-weight:600;letter-spacing:.02em;}
.topbar-dot{width:4px;height:4px;border-radius:50%;background:var(--brand-light);flex:none;}
.topbar-left span:last-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.topbar-right{display:flex;align-items:center;gap:16px;flex:none;}
.topbar-link{color:#C9D6D1;font-size:13px;}
.topbar-link:hover{color:#fff;text-decoration:none;}
.topbar-btn{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;
  border:1px solid rgba(201,214,209,.45);border-radius:var(--r-pill);
  color:#fff;font-size:13px;transition:.18s;
}
.topbar-btn:hover{background:rgba(255,255,255,.10);border-color:#fff;color:#fff;text-decoration:none;}

/* ============ 主导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--bg);
  border-bottom:1px solid var(--border);
  transition:box-shadow .2s ease;
}
.site-header.is-stuck{box-shadow:0 6px 18px -14px rgba(22,51,44,.55);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);flex:none;}
.brand:hover{text-decoration:none;color:var(--text);}
.brand-mark{
  width:26px;height:26px;border-radius:8px;background:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;flex:none;
}
.brand-name{font-size:18px;font-weight:700;color:var(--text);letter-spacing:-.01em;}
.brand-divider{width:1px;height:16px;background:var(--border);}
.brand-tag{font-size:13px;color:var(--text-3);}
.nav-toggle{
  display:none;width:42px;height:42px;align-items:center;justify-content:center;
  background:var(--white);border:1px solid var(--border);border-radius:var(--r-btn);
  color:var(--brand);font-size:17px;cursor:pointer;
}
.nav-menu{display:flex;align-items:center;gap:26px;}
.nav-link{
  position:relative;font-size:15px;color:var(--text);padding:6px 0;white-space:nowrap;
}
.nav-link:hover{color:var(--brand);text-decoration:none;}
.nav-link.active{color:var(--brand);font-weight:600;}
.nav-link.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-22px;height:2px;background:var(--brand);
}
.nav-link.nav-cta{
  background:var(--brand);color:#fff;border-radius:var(--r-btn);
  padding:10px 20px;font-weight:600;
}
.nav-link.nav-cta:hover{background:var(--brand-deep);color:#fff;}
.nav-link.nav-cta::after{display:none;}
.nav-mobile-cta{display:none;}

/* ============ 按钮 ============ */
.btn-main,.btn-line,.btn-ghost,.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);padding:12px 24px;font-size:15px;font-weight:600;
  cursor:pointer;transition:all .18s ease;border:1px solid transparent;
}
.btn-main{background:var(--brand);border-color:var(--brand);color:#fff;}
.btn-main:hover{background:var(--brand-deep);border-color:var(--brand-deep);color:#fff;transform:translateY(-1px);text-decoration:none;}
.btn-line{background:var(--white);border-color:var(--brand);color:var(--brand);}
.btn-line:hover{background:rgba(31,90,78,.06);color:var(--brand);text-decoration:none;}
.btn-ghost{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.55);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.16);border-color:#fff;color:#fff;text-decoration:none;}
.btn-accent{background:var(--accent);border-color:var(--accent);color:#fff;padding:14px 30px;font-size:16px;}
.btn-accent:hover{background:var(--accent-deep);border-color:var(--accent-deep);color:#fff;transform:translateY(-1px);text-decoration:none;}
.btn-main:active,.btn-line:active,.btn-ghost:active,.btn-accent:active{transform:none;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);}
.link-arrow::after{content:"›";font-size:17px;line-height:1;transition:transform .18s ease;}
.link-arrow:hover{color:var(--accent);text-decoration:none;}
.link-arrow:hover::after{transform:translateX(3px);}

/* ============ 面包屑 ============ */
.crumb-bar{border-bottom:1px dashed var(--dash);background:var(--bg);}
.crumb{display:flex;align-items:center;gap:8px;height:46px;font-size:13px;color:var(--text-3);}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--brand);text-decoration:none;}
.crumb .sep{color:var(--dash);}
.crumb .now{color:var(--text-3);}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;text-align:center;
  padding:96px 0 104px;color:#fff;
  background-image:linear-gradient(rgba(22,51,44,.74),rgba(22,51,44,.66)),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.hero::after{
  content:"";position:absolute;left:50%;bottom:-150px;transform:translateX(-50%);
  width:860px;height:280px;border:1px solid rgba(255,255,255,.16);border-radius:50%;
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;}
.hero-badge{
  display:inline-block;font-size:13px;padding:5px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);color:#E4EFEA;border:1px solid rgba(255,255,255,.22);
  margin-bottom:22px;
}
.hero h1{color:#fff;font-size:40px;max-width:900px;margin:0 auto;}
.hero-sub{color:#D3E0DB;font-size:17px;margin-top:18px;}
.hero-actions{display:flex;justify-content:center;gap:16px;margin-top:34px;flex-wrap:wrap;}
.hero-metrics{
  display:flex;justify-content:center;align-items:stretch;gap:0;
  margin:48px auto 0;max-width:760px;flex-wrap:wrap;
}
.hero-metrics li{
  padding:0 30px;border-left:1px solid rgba(255,255,255,.20);text-align:center;
}
.hero-metrics li:first-child{border-left:0;}
.hero-metrics strong{display:block;font-size:24px;color:#fff;font-weight:700;line-height:1.3;}
.hero-metrics span{font-size:13px;color:#B9CBC5;}

/* ============ 板块通用 ============ */
.section{padding:92px 0;}
.section-alt{background:var(--bg-alt);}
.section-head{max-width:740px;margin-bottom:46px;}
.section-head.center{text-align:center;margin-left:auto;margin-right:auto;}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:600;color:var(--brand);
  letter-spacing:.14em;margin-bottom:14px;
}
.section-head h2{font-size:30px;}
.section-head p{margin-top:16px;color:var(--text-2);font-size:16px;}

/* ============ 场景卡片 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.scene-card{
  display:flex;flex-direction:column;background:var(--white);
  border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease;
}
.scene-card:hover{box-shadow:var(--sh-2);border-color:#D5CEC0;}
.scene-card:hover h3{color:var(--brand);}
.scene-thumb{aspect-ratio:16/9;background:var(--bg-alt);overflow:hidden;}
.scene-thumb img{width:100%;height:100%;object-fit:cover;}
.scene-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.tag{
  display:inline-block;align-self:flex-start;font-size:13px;padding:4px 10px;
  border-radius:var(--r-pill);background:rgba(31,90,78,.12);color:var(--brand);font-weight:600;
}
.scene-body h3{font-size:20px;transition:color .18s ease;}
.scene-body p{font-size:15px;color:var(--text-2);}
.scene-body .link-arrow{margin-top:auto;padding-top:6px;}

/* ============ 数据带 ============ */
.stats-band{background:var(--dark);color:#fff;padding:72px 0;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.stat{padding:0 24px;border-left:1px solid rgba(255,255,255,.14);text-align:center;}
.stat:first-child{border-left:0;}
.stat-num{font-size:34px;font-weight:700;color:var(--accent);line-height:1.25;}
.stat-label{font-size:14px;color:#C9D6D1;margin-top:8px;}
.stats-note{text-align:center;font-size:13px;color:#8FA39C;margin-top:34px;}

/* ============ 左右交替图文 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.split + .split{margin-top:72px;padding-top:72px;border-top:1px dashed var(--dash);}
.split-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);
  background:var(--bg-alt);border:1px solid var(--border);
}
.split.flip .split-media{order:2;}
.split-content h3{font-size:24px;}
.split-content > p{margin-top:16px;color:var(--text-2);}
.point-list{margin-top:24px;display:flex;flex-direction:column;gap:12px;}
.point-list li{display:flex;gap:10px;font-size:15px;color:var(--text-2);}
.point-list i{color:var(--brand);font-size:14px;line-height:1.85;}
.split-content .link-arrow{margin-top:26px;}

/* ============ 落地路径 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;}
.steps::before{
  content:"";position:absolute;top:20px;left:8%;right:8%;height:1px;background:var(--dash);
}
.step{position:relative;z-index:1;text-align:center;padding:0 8px;}
.step-num{
  width:42px;height:42px;margin:0 auto 18px;border-radius:50%;
  background:var(--brand);color:#fff;font-size:16px;font-weight:700;
  display:flex;align-items:center;justify-content:center;border:4px solid var(--bg-alt);
}
.step h3{font-size:18px;}
.step p{font-size:14px;color:var(--text-2);margin-top:10px;}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto;}
.accordion-item{background:transparent;border:0;border-bottom:1px solid var(--border);}
.accordion-item:first-child{border-top:1px solid var(--border);}
.accordion-header{margin:0;}
.accordion-button{
  position:relative;background:transparent;border:0;box-shadow:none;
  padding:22px 44px 22px 0;font-size:16px;font-weight:600;color:var(--text);
  border-radius:0;
}
.accordion-button:not(.collapsed){color:var(--brand);background:transparent;box-shadow:none;}
.accordion-button:focus{box-shadow:none;outline:2px solid var(--accent);outline-offset:-4px;}
.accordion-button::after{
  content:"";position:absolute;right:10px;top:50%;width:12px;height:12px;
  margin:0;background-image:none;border-right:2px solid var(--brand);
  border-bottom:2px solid var(--brand);transform:translateY(-70%) rotate(45deg);
  transition:transform .2s ease;transform-origin:center;
}
.accordion-button:not(.collapsed)::after{transform:translateY(-30%) rotate(-135deg);}
.accordion-body{padding:0 44px 24px 0;font-size:15px;color:var(--text-2);}
.accordion-item:has(.accordion-button:not(.collapsed)){
  box-shadow:inset 3px 0 0 var(--brand);padding-left:18px;
}

/* ============ CTA ============ */
.cta-band{background:var(--dark);color:#fff;padding:76px 0;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;}
.cta-inner h2{color:#fff;font-size:28px;max-width:620px;}
.cta-inner p{color:#C9D6D1;font-size:15px;margin-top:14px;max-width:560px;}
.cta-inner .btn-accent{flex:none;}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:#C9D6D1;font-size:14px;padding-top:64px;}
.footer-grid{display:grid;grid-template-columns:2.2fr 1fr 1fr 1.3fr;gap:36px;}
.footer-brand .brand{color:#fff;}
.footer-brand .brand:hover{color:#fff;}
.footer-brand .brand-name{color:#fff;}
.footer-brand .brand-tag{color:#9FB3AC;}
.footer-brand .brand-divider{background:rgba(255,255,255,.20);}
.footer-desc{margin-top:20px;color:#A9BBB5;line-height:1.8;}
.footer-domain{margin-top:14px;color:#8FA39C;font-size:13px;}
.footer-col h4{font-size:14px;font-weight:600;color:#7FBFAC;margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{color:#C9D6D1;}
.footer-col a:hover{color:#fff;text-decoration:none;}
.footer-col .plain{color:#8FA39C;font-size:13px;}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;display:flex;justify-content:space-between;gap:12px;
  font-size:13px;color:#8FA39C;flex-wrap:wrap;
}

/* ============ 响应式 ============ */
@media (max-width:1399px){
  .scene-grid{grid-template-columns:repeat(4,1fr);}
}
@media (max-width:1199px){
  .scene-grid{grid-template-columns:repeat(2,1fr);}
  .split{gap:40px;}
  .cta-inner h2{font-size:26px;}
}
@media (max-width:991px){
  .nav-toggle{display:inline-flex;}
  .nav-menu{
    position:absolute;left:0;right:0;top:100%;
    display:none;flex-direction:column;align-items:stretch;gap:0;
    background:var(--bg);border-bottom:1px solid var(--border);
    padding:8px 24px 20px;box-shadow:0 18px 28px -22px rgba(22,51,44,.5);
  }
  .nav-menu.is-open{display:flex;}
  .nav-link{padding:14px 0;border-bottom:1px solid var(--border);font-size:16px;}
  .nav-link.active::after{display:none;}
  .nav-link.nav-cta{
    margin-top:16px;border-bottom:0;text-align:center;padding:13px 20px;
  }
  .nav-mobile-cta{display:flex;gap:12px;margin-top:12px;}
  .nav-mobile-cta .btn-main,.nav-mobile-cta .btn-line{flex:1;padding:12px 16px;}
  .scene-grid{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;gap:28px;}
  .split.flip .split-media{order:0;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:40px 0;}
  .stat:nth-child(3){border-left:0;}
  .steps{grid-template-columns:repeat(2,1fr);gap:40px 24px;}
  .steps::before{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
}
@media (max-width:767px){
  .topbar-right{display:none;}
  .section{padding:60px 0;}
  .hero{padding:64px 0 72px;}
  .hero h1{font-size:28px;}
  .hero-sub{font-size:15px;}
  .hero-metrics li{padding:0 18px;}
  .hero-metrics strong{font-size:20px;}
  .split + .split{margin-top:48px;padding-top:48px;}
  .split-content h3{font-size:20px;}
  .cta-inner h2{font-size:22px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:575px){
  .container{padding:0 16px;}
  .brand-tag,.brand-divider{display:none;}
  .scene-grid{grid-template-columns:1fr;}
  .scene-body{padding:18px;}
  .stats-grid{grid-template-columns:1fr;gap:32px;text-align:left;}
  .stat{border-left:0;padding:0;}
  .steps{grid-template-columns:1fr;}
  .hero-actions{flex-direction:column;}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%;}
  .cta-inner .btn-accent{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .accordion-button{font-size:15px;}
}

/* roulang page: category3 */
:root{
  --ink:#1B211F;
  --ink-2:#5C6663;
  --ink-3:#8B9491;
  --brand:#1F5A4E;
  --brand-light:#3E8B78;
  --brand-deep:#16453B;
  --accent:#C4763F;
  --bg:#FAF7F2;
  --bg-alt:#F1ECE3;
  --dark:#16332C;
  --line:#E2DCD0;
  --line-dash:#D9D3C7;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --sh-1:0 1px 2px rgba(22,51,44,.06);
  --sh-2:0 8px 24px -12px rgba(22,51,44,.20);
  --font:"Noto Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--accent);text-decoration:underline;text-underline-offset:2px}
h1,h2,h3,h4{font-weight:700;line-height:1.35;letter-spacing:-.01em;margin:0}
h1{font-size:40px}
h2{font-size:30px}
h3{font-size:20px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
::selection{background:rgba(31,90,78,.16)}

/* 容器（覆盖 Bootstrap 默认） */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* 顶部信息条 */
.topbar{background:var(--dark);color:#fff;font-size:13px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:36px}
.topbar-left{display:flex;align-items:center;gap:10px;color:#C9D6D1;flex-wrap:wrap}
.topbar-left .dot{width:4px;height:4px;border-radius:50%;background:var(--brand-light);display:inline-block}
.topbar-left strong{color:#fff;font-weight:600}
.topbar-actions{display:flex;align-items:center;gap:14px}
.topbar-link{color:#C9D6D1;font-size:13px}
.topbar-link:hover{color:#fff;text-decoration:none}
.topbar-btn{
  display:inline-flex;align-items:center;gap:6px;
  height:32px;padding:0 14px;border-radius:8px;
  border:1px solid rgba(201,214,209,.45);color:#fff;font-size:13px;
  background:transparent;transition:background .18s ease,border-color .18s ease
}
.topbar-btn:hover{background:rgba(255,255,255,.10);border-color:#fff;color:#fff;text-decoration:none}

/* 主导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--bg);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease
}
.site-header.is-stuck{box-shadow:0 10px 24px -18px rgba(22,51,44,.55)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink)}
.brand:hover{color:var(--ink);text-decoration:none}
.brand-mark{
  width:24px;height:24px;border-radius:6px;background:var(--brand);
  display:grid;place-items:center;flex:0 0 24px
}
.brand-name{font-size:18px;font-weight:700;letter-spacing:-.01em;white-space:nowrap}
.brand-divider{width:1px;height:16px;background:var(--line);display:inline-block}
.brand-tag{font-size:13px;color:var(--ink-3);white-space:nowrap}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);
  background:#fff;border-radius:10px;color:var(--brand);font-size:17px;cursor:pointer
}
.nav-menu{display:flex;align-items:center;gap:24px}
.nav-link{
  position:relative;display:inline-block;
  font-size:15px;color:var(--ink-2);padding:22px 0;white-space:nowrap
}
.nav-link:hover{color:var(--brand);text-decoration:none}
.nav-link.active{color:var(--brand);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:0;right:0;bottom:14px;height:2px;background:var(--brand);border-radius:2px
}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 18px;border-radius:var(--radius-btn);
  background:var(--brand);color:#fff;font-size:15px;font-weight:600;
  transition:background .18s ease,transform .18s ease
}
.nav-cta:hover{background:var(--brand-deep);color:#fff;text-decoration:none;transform:translateY(-1px)}
.nav-cta:active{transform:none}
.nav-mobile-cta{display:none}

/* 按钮 */
.btn-main,.btn-line,.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;cursor:pointer;
  border:1px solid transparent;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease
}
.btn-main{background:var(--brand);border-color:var(--brand);color:#fff}
.btn-main:hover{background:var(--brand-deep);border-color:var(--brand-deep);color:#fff;text-decoration:none;transform:translateY(-1px)}
.btn-line{background:#fff;border-color:var(--brand);color:var(--brand)}
.btn-line:hover{background:rgba(31,90,78,.06);color:var(--brand);text-decoration:none}
.btn-accent{background:var(--accent);border-color:var(--accent);color:#fff}
.btn-accent:hover{background:#AD6533;border-color:#AD6533;color:#fff;text-decoration:none;transform:translateY(-1px)}
.btn-main:active,.btn-line:active,.btn-accent:active{transform:none}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:15px;font-weight:600
}
.btn-text:hover{color:var(--accent);text-decoration:none}

/* 徽章 */
.badge-soft{
  display:inline-flex;align-items:center;
  font-size:13px;padding:4px 10px;border-radius:999px;
  background:rgba(31,90,78,.12);color:var(--brand);font-weight:600
}
.badge-accent{
  display:inline-flex;align-items:center;
  font-size:13px;padding:4px 10px;border-radius:999px;
  background:rgba(196,118,63,.14);color:var(--accent);font-weight:600
}

/* 页头（紧凑版） */
.page-head{
  position:relative;background:var(--bg-alt);
  border-bottom:1px solid var(--line);
  padding:56px 0 52px;overflow:hidden
}
.page-head::after{
  content:"";position:absolute;right:-90px;top:-120px;
  width:340px;height:340px;border-radius:50%;
  border:1px solid rgba(31,90,78,.14);pointer-events:none
}
.page-head-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;align-items:start
}
.page-head h1{font-size:40px;margin-bottom:16px}
.page-head .lead{font-size:16px;color:var(--ink-2);max-width:640px;margin-bottom:24px}
.head-actions{display:flex;gap:12px;flex-wrap:wrap}
.crumb-bar{font-size:13px;color:var(--ink-3);margin-bottom:14px}
.crumb-bar a{color:var(--ink-2)}
.side-nav-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:20px;box-shadow:var(--sh-1)
}
.side-nav-card h3{font-size:15px;margin-bottom:12px;color:var(--brand)}
.side-nav-card li+li{border-top:1px dashed var(--line-dash)}
.side-nav-card a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 0;font-size:14px;color:var(--ink-2)
}
.side-nav-card a:hover{color:var(--brand);text-decoration:none}
.side-nav-card a i{font-size:12px;color:var(--brand-light)}

/* 锚点条 */
.anchor-bar{
  position:sticky;top:68px;z-index:45;
  background:rgba(250,247,242,.96);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line)
}
.anchor-inner{display:flex;gap:10px;overflow-x:auto;padding:12px 0;scrollbar-width:none}
.anchor-inner::-webkit-scrollbar{display:none}
.chip{
  display:inline-flex;align-items:center;gap:6px;white-space:nowrap;
  height:34px;padding:0 14px;border-radius:999px;
  border:1px solid var(--line);background:#fff;
  font-size:14px;color:var(--ink-2);transition:all .18s ease
}
.chip:hover{border-color:var(--brand-light);color:var(--brand);text-decoration:none}
.chip.on{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}
.chip.on:hover{color:#fff}

/* 区块 */
.section{padding:88px 0}
.section.alt{background:var(--bg-alt)}
.section-head{margin-bottom:36px}
.section-head h2{font-size:30px;margin-bottom:8px}
.section-head p{font-size:15px;color:var(--ink-2)}
.section-head.with-line h2{padding-left:14px;border-left:3px solid var(--brand)}

/* 主区 + 侧栏 */
.layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:48px;align-items:start}
.layout-main{min-width:0}

/* 资料行列表 */
.doc-list{border-top:1px solid var(--line)}
.doc-row{
  display:grid;grid-template-columns:56px minmax(0,1fr) 32px;gap:18px;align-items:center;
  padding:22px 12px;border-bottom:1px solid var(--line);
  color:inherit;transition:background .18s ease,box-shadow .18s ease,border-radius .18s ease
}
.doc-row:hover{background:#fff;box-shadow:var(--sh-2);border-radius:10px;text-decoration:none;color:inherit}
.doc-num{font-size:14px;font-weight:700;color:var(--brand);letter-spacing:.06em}
.doc-title{font-size:18px;font-weight:600;margin-bottom:6px;color:var(--ink);transition:color .18s ease}
.doc-row:hover .doc-title{color:var(--brand)}
.doc-desc{font-size:14px;color:var(--ink-2);line-height:1.75;margin-bottom:8px}
.doc-meta{display:flex;flex-wrap:wrap;gap:10px;font-size:13px;color:var(--ink-3)}
.doc-meta span{display:inline-flex;align-items:center;gap:5px}
.doc-arrow{color:var(--brand);font-size:16px;text-align:right}
.doc-group-title{
  display:flex;align-items:center;gap:10px;
  font-size:14px;font-weight:600;color:var(--brand);
  margin:32px 0 12px
}
.doc-group-title::after{content:"";flex:1;height:1px;background:var(--line-dash)}

/* 分页 */
.pager{display:flex;justify-content:center;align-items:center;gap:8px;margin-top:40px;flex-wrap:wrap}
.pager a,.pager span{
  display:grid;place-items:center;min-width:36px;height:36px;border-radius:8px;
  border:1px solid var(--line);background:#fff;font-size:14px;color:var(--ink-2);transition:all .16s ease
}
.pager a:hover{background:rgba(31,90,78,.06);color:var(--brand);border-color:var(--brand-light);text-decoration:none}
.pager .current{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}
.pager .gap{border-color:transparent;background:transparent}
.pager .wide{padding:0 14px}

/* 侧栏 */
.layout-aside{min-width:0}
.side-sticky{position:sticky;top:96px;display:flex;flex-direction:column;gap:24px}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--sh-1)
}
.side-cover{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  border-radius:var(--radius-img);background:#F1ECE3;margin-bottom:18px
}
.side-card h3{font-size:18px;margin-bottom:8px}
.side-desc{font-size:14px;color:var(--ink-2);margin-bottom:18px}

/* 表单 */
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:6px;color:var(--ink)}
.field .control{
  width:100%;height:44px;border:1px solid var(--line);border-radius:10px;
  padding:0 14px;font-size:15px;color:var(--ink);background:#fff;
  transition:border-color .16s ease,box-shadow .16s ease;font-family:inherit
}
.field select.control{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%235C6663' stroke-width='1.6' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center}
.field .control::placeholder{color:var(--ink-3)}
.field .control:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,90,78,.14)}
.field .control.is-error{border-color:var(--accent);box-shadow:0 0 0 3px rgba(196,118,63,.12)}
.field .err{display:none;font-size:13px;color:var(--accent);margin-top:6px}
.field.has-error .err{display:block}
.btn-block{width:100%}
.form-hint{font-size:13px;color:var(--ink-3);margin-top:12px;line-height:1.7}
.form-ok{
  display:none;margin-top:14px;padding:12px 14px;border-radius:10px;
  background:rgba(31,90,78,.08);color:var(--brand);font-size:14px
}
.form-ok.show{display:block}

.side-list li{
  display:flex;align-items:flex-start;gap:10px;
  padding:12px 0;font-size:14px;color:var(--ink-2)
}
.side-list li+li{border-top:1px dashed var(--line-dash)}
.side-list i{color:var(--brand-light);margin-top:4px;font-size:13px}

/* 流程步 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:8px}
.step{position:relative;padding-top:6px}
.step-num{
  width:36px;height:36px;border-radius:50%;background:var(--brand);color:#fff;
  display:grid;place-items:center;font-size:15px;font-weight:700;margin-bottom:14px
}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14px;color:var(--ink-2);line-height:1.75}
.step::before{
  content:"";position:absolute;top:24px;left:44px;right:-24px;height:1px;
  background:var(--line-dash)
}
.step:last-child::before{display:none}

/* FAQ */
.acc{border-top:1px solid var(--line);margin-top:8px}
.acc-item{border-bottom:1px solid var(--line);transition:background .2s ease,padding .2s ease}
.acc-item:has(.collapse.show){border-left:3px solid var(--brand);padding-left:16px;background:#fff}
.acc-btn{
  width:100%;text-align:left;background:transparent;border:0;cursor:pointer;
  padding:18px 40px 18px 0;font-size:16px;font-weight:600;color:var(--ink);position:relative
}
.acc-btn::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:6px;top:50%;transform:translateY(-50%);
  font-size:12px;color:var(--brand);transition:transform .2s ease
}
.acc-btn[aria-expanded="true"]::after{transform:translateY(-50%) rotate(180deg)}
.acc-body{padding:0 40px 20px 0;font-size:15px;color:var(--ink-2);line-height:1.85}

/* CTA 带 */
.cta-band{background:var(--dark);color:#fff;padding:64px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px}
.cta-band h2{font-size:26px;color:#fff;margin-bottom:10px}
.cta-band p{font-size:15px;color:#C9D6D1}
.cta-band .btn-accent{flex:0 0 auto}

/* 页脚 */
.site-footer{background:var(--dark);color:#C9D6D1;padding:56px 0 0}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:40px;border-bottom:1px solid rgba(201,214,209,.16)
}
.footer-brand .brand-name{color:#fff}
.footer-brand .brand-tag{color:#9FB1AB}
.footer-desc{font-size:14px;line-height:1.9;color:#A9B9B3;margin:16px 0 8px;max-width:380px}
.footer-domain{font-size:13px;color:#8B9491}
.footer-col h4{font-size:14px;font-weight:600;color:#6FB8A2;margin-bottom:14px}
.footer-col li+li{margin-top:10px}
.footer-col a,.footer-col .plain{font-size:14px;color:#C9D6D1}
.footer-col a:hover{color:#fff;text-decoration:none}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;font-size:13px;color:#8B9491;flex-wrap:wrap
}

/* 响应式 */
@media (max-width:1399px){
  .nav-menu{gap:18px}
}
@media (max-width:1199px){
  .nav-link{font-size:14px}
  .nav-cta{padding:0 14px;font-size:14px}
  .layout{grid-template-columns:minmax(0,1fr) 300px;gap:32px}
  .page-head-grid{grid-template-columns:minmax(0,1fr) 290px;gap:32px}
}
@media (max-width:991px){
  h1,.page-head h1{font-size:32px}
  h2,.section-head h2{font-size:25px}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .nav-menu{
    position:absolute;left:0;right:0;top:100%;
    display:none;flex-direction:column;align-items:stretch;gap:0;
    background:var(--bg);border-bottom:1px solid var(--line);
    padding:6px 24px 20px;box-shadow:var(--sh-2);max-height:calc(100vh - 104px);overflow:auto
  }
  .nav-menu.open{display:flex}
  .nav-link{padding:14px 0;font-size:16px;border-bottom:1px solid var(--line)}
  .nav-link.active::after{display:none}
  .nav-link.active{font-weight:700}
  .nav-cta{margin-top:14px;height:46px;border-bottom:0;padding:0 18px;font-size:15px;font-weight:600;color:#fff;text-align:center;justify-content:center}
  .nav-cta:hover{color:#fff}
  .nav-mobile-cta{display:flex;flex-direction:column;gap:10px;margin-top:14px}
  .page-head{padding:44px 0 40px}
  .page-head-grid{grid-template-columns:minmax(0,1fr);gap:28px}
  .layout{grid-template-columns:minmax(0,1fr);gap:36px}
  .side-sticky{position:static}
  .section{padding:64px 0}
  .steps{grid-template-columns:repeat(2,1fr);gap:20px}
  .step::before{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:22px}
}
@media (max-width:767px){
  .topbar-actions{display:none}
  .brand-tag,.brand-divider{display:none}
  .anchor-bar{top:68px}
  .doc-row{grid-template-columns:40px minmax(0,1fr) 24px;gap:12px;padding:18px 8px}
  .doc-title{font-size:16px}
  .section{padding:56px 0}
  .page-head h1{font-size:28px}
  .cta-band{padding:52px 0}
  .cta-band h2{font-size:22px}
}
@media (max-width:575px){
  .container{padding:0 16px}
  body{font-size:15px}
  .brand-name{font-size:17px}
  .head-actions{flex-direction:column;align-items:stretch}
  .head-actions .btn-main,.head-actions .btn-line{width:100%}
  .steps{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px}
  .side-card{padding:20px}
  .cta-band .btn-accent{width:100%}
}

/* roulang page: category4 */
:root{
  --main:#1F5A4E;
  --main-light:#3E8B78;
  --main-deep:#16453B;
  --accent:#C4763F;
  --bg:#FAF7F2;
  --bg-alt:#F1ECE3;
  --white:#ffffff;
  --deep:#16332C;
  --text:#1B211F;
  --text-2:#5C6663;
  --text-3:#8B9491;
  --border:#E2DCD0;
  --dash:#D9D3C7;
  --r-card:14px;
  --r-btn:10px;
  --r-input:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(22,51,44,.06);
  --sh-2:0 8px 24px -12px rgba(22,51,44,.20);
  --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;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--main);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--accent);text-decoration:underline;text-underline-offset:2px;text-decoration-thickness:1px;}
h1,h2,h3,h4{font-weight:700;line-height:1.35;letter-spacing:-0.01em;color:var(--text);margin:0;}
h1{font-size:40px;}
h2{font-size:30px;}
h3{font-size:20px;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,textarea,select{font:inherit;color:inherit;}
button{cursor:pointer;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}

/* ---------- 顶部信息条 ---------- */
.topbar{
  background:var(--deep);
  color:#fff;
  font-size:13px;
  line-height:1;
}
.topbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  height:36px;
}
.topbar-left{display:flex;align-items:center;gap:10px;color:#C9D6D1;white-space:nowrap;overflow:hidden;}
.topbar-left .dot{width:4px;height:4px;border-radius:50%;background:#7FA99C;flex:none;}
.topbar-left .hint{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar-right{display:flex;align-items:center;gap:16px;flex:none;}
.top-link{color:#C9D6D1;font-size:13px;}
.top-link:hover{color:#fff;text-decoration:none;}
.top-btn{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border:1px solid rgba(201,214,209,.5);border-radius:999px;
  color:#fff;font-size:12px;transition:all .18s ease;
}
.top-btn:hover{background:rgba(255,255,255,.10);color:#fff;text-decoration:none;border-color:rgba(255,255,255,.8);}

/* ---------- 主导航 ---------- */
.site-header{
  background:var(--bg);
  border-bottom:1px solid var(--border);
  position:sticky;
  top:0;
  z-index:1030;
  transition:box-shadow .2s ease;
}
.site-header.scrolled{box-shadow:0 1px 12px rgba(22,51,44,.06);}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:68px;
}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;}
.brand:hover{text-decoration:none;}
.brand-mark{
  width:24px;height:24px;border-radius:6px;background:var(--main);
  display:inline-flex;align-items:center;justify-content:center;flex:none;
}
.brand-name{font-size:18px;font-weight:700;color:var(--text);letter-spacing:-0.01em;}
.brand:hover .brand-name{color:var(--main);}
.brand-divider{width:1px;height:16px;background:var(--border);}
.brand-tag{font-size:13px;color:var(--text-3);white-space:nowrap;}
.nav-toggle{
  display:none;border:1px solid var(--border);background:var(--white);
  width:40px;height:40px;border-radius:10px;color:var(--main);
  align-items:center;justify-content:center;font-size:16px;
}
.nav-menu{display:flex;align-items:center;gap:26px;}
.nav-link{
  position:relative;font-size:15px;color:var(--text-2);padding:6px 2px;
  transition:color .18s ease;
}
.nav-link:hover{color:var(--main);text-decoration:none;}
.nav-link.active{color:var(--main);font-weight:600;}
.nav-link.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--main);border-radius:2px;
}
.nav-cta{
  background:var(--main);color:#fff;padding:8px 18px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;transition:all .18s ease;
}
.nav-cta:hover{background:var(--main-deep);color:#fff;text-decoration:none;transform:translateY(-1px);}
.nav-cta.active{background:var(--main-deep);color:#fff;}
.nav-cta.active::after{display:none;}
.nav-mobile-cta{display:none;}

/* ---------- 通用按钮 ---------- */
.btn-main,.btn-line,.btn-accent,.btn-text{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;border-radius:var(--r-btn);
  transition:all .18s ease;border:1px solid transparent;white-space:nowrap;
}
.btn-main{background:var(--main);color:#fff;padding:12px 26px;height:46px;}
.btn-main:hover{background:var(--main-deep);color:#fff;text-decoration:none;transform:translateY(-1px);}
.btn-main:active{transform:none;}
.btn-line{background:#fff;color:var(--main);border-color:var(--main);padding:12px 26px;height:46px;}
.btn-line:hover{background:rgba(31,90,78,.06);color:var(--main);text-decoration:none;}
.btn-line:active{transform:none;}
.btn-accent{background:var(--accent);color:#fff;padding:13px 30px;height:50px;font-size:16px;}
.btn-accent:hover{background:#AC6433;color:#fff;text-decoration:none;transform:translateY(-1px);}
.btn-text{
  background:none;border:none;color:var(--main);padding:0;font-size:15px;gap:6px;
}
.btn-text:hover{color:var(--accent);text-decoration:underline;text-underline-offset:2px;}
.btn-block{width:100%;}

/* ---------- 徽章 / 标签 ---------- */
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;padding:4px 10px;border-radius:999px;
  background:rgba(31,90,78,.12);color:var(--main);font-weight:600;line-height:1.5;
}
.badge-accent{
  display:inline-flex;align-items:center;
  font-size:13px;padding:4px 10px;border-radius:999px;
  background:rgba(196,118,63,.14);color:var(--accent);font-weight:600;line-height:1.5;
}

/* ---------- 页头 ---------- */
.page-head{
  position:relative;
  background:var(--bg);
  padding:72px 0 80px;
  overflow:hidden;
  border-bottom:1px solid var(--border);
}
.page-head::after{
  content:"";position:absolute;top:-140px;right:-90px;width:420px;height:420px;
  border:1px solid rgba(31,90,78,.16);border-radius:50%;pointer-events:none;
}
.ph-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
}
.ph-headline h1{margin:18px 0 16px;}
.ph-lead{font-size:17px;color:var(--text-2);line-height:1.85;max-width:520px;}
.ph-actions{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap;}
.ph-points{display:flex;gap:22px;margin-top:32px;flex-wrap:wrap;}
.ph-points li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-2);}
.ph-points i{color:var(--main);font-size:14px;}
.ph-media{position:relative;}
.ph-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-card);
  box-shadow:var(--sh-1);background:#F1ECE3;
}
.ph-float{
  position:absolute;left:-24px;bottom:-24px;background:#fff;border:1px solid var(--border);
  border-radius:var(--r-card);padding:16px 20px;box-shadow:var(--sh-2);min-width:190px;
}
.ph-float strong{display:block;font-size:24px;color:var(--main);line-height:1.2;}
.ph-float span{font-size:13px;color:var(--text-3);}

/* ---------- 面包屑 ---------- */
.crumb{margin-top:20px;font-size:13px;color:var(--text-3);display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--main);}
.crumb .sep{color:var(--dash);}
.crumb .now{color:var(--text-3);}

/* ---------- 区块通用 ---------- */
.section{padding:92px 0;}
.section-alt{background:var(--bg-alt);}
.section-head{max-width:680px;margin-bottom:48px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head h2{margin-bottom:14px;position:relative;padding-left:0;}
.section-head h2::before{
  content:"";display:block;width:36px;height:3px;background:var(--main);border-radius:2px;margin-bottom:18px;
}
.section-head.center h2::before{margin-left:auto;margin-right:auto;}
.section-sub{font-size:16px;color:var(--text-2);}

/* ---------- 服务卡：1 大 2 小 ---------- */
.svc-grid{display:grid;grid-template-columns:1.55fr 1fr;grid-template-rows:auto auto;gap:24px;}
.svc-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);transition:box-shadow .2s ease;
  display:flex;flex-direction:column;
}
.svc-card:hover{box-shadow:var(--sh-2);}
.svc-main{grid-row:span 2;padding:0;overflow:hidden;}
.svc-main img{
  width:100%;aspect-ratio:16/9;object-fit:cover;background:#F1ECE3;
  border-bottom:1px solid var(--border);
}
.svc-main-body{padding:28px 28px 30px;}
.svc-main-body h3{font-size:24px;margin-bottom:12px;}
.svc-main-body p{color:var(--text-2);font-size:15px;}
.svc-list{margin-top:22px;border-top:1px dashed var(--dash);padding-top:20px;}
.svc-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--text-2);padding:7px 0;}
.svc-list i{color:var(--main);font-size:15px;margin-top:5px;flex:none;}
.svc-small h3{font-size:18px;margin-bottom:8px;}
.svc-small p{font-size:14px;color:var(--text-2);}
.svc-icon{
  width:40px;height:40px;border-radius:12px;background:rgba(31,90,78,.12);
  color:var(--main);display:inline-flex;align-items:center;justify-content:center;
  font-size:17px;margin-bottom:14px;
}

/* ---------- 数据带 ---------- */
.stat-band{
  background:var(--deep);border-radius:var(--r-card);padding:34px 40px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.stat-item{text-align:center;position:relative;}
.stat-item+.stat-item::before{
  content:"";position:absolute;left:-12px;top:8px;bottom:8px;width:1px;background:rgba(201,214,209,.22);
}
.stat-num{font-size:30px;font-weight:700;color:#fff;line-height:1.2;}
.stat-num em{font-style:normal;font-size:16px;color:#9FBDB2;margin-left:4px;}
.stat-label{font-size:13px;color:#C9D6D1;margin-top:6px;}

/* ---------- 支持流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative;margin-top:8px;}
.step{position:relative;padding:0 22px;}
.step-num{
  width:46px;height:46px;border-radius:50%;background:var(--main);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:700;
  position:relative;z-index:2;
}
.step::after{
  content:"";position:absolute;left:calc(50% + 34px);right:calc(-50% + 34px);top:22px;height:1px;
  background:var(--dash);
}
.step:last-child::after{display:none;}
.step h3{font-size:17px;margin:20px 0 8px;}
.step p{font-size:14px;color:var(--text-2);}

/* ---------- 表单 ---------- */
.form-wrap{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  padding:36px;box-shadow:var(--sh-1);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:14px;font-weight:600;color:var(--text);}
.field input,.field textarea,.field select{
  width:100%;border:1px solid var(--border);border-radius:var(--r-input);
  background:var(--bg);padding:10px 14px;font-size:15px;color:var(--text);
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.field input{height:44px;}
.field textarea{min-height:120px;resize:vertical;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.field input:focus,.field textarea:focus,.field select:focus{
  outline:none;background:#fff;border-color:var(--main);box-shadow:0 0 0 2px rgba(31,90,78,.22);
}
.form-note{font-size:13px;color:var(--text-3);margin-top:16px;}
.form-side{display:flex;flex-direction:column;gap:22px;}
.side-card{
  background:var(--bg-alt);border:1px solid var(--border);border-radius:var(--r-card);padding:24px;
}
.side-card h3{font-size:17px;margin-bottom:10px;}
.side-card p{font-size:14px;color:var(--text-2);}
.side-list{margin-top:16px;}
.side-list li{display:flex;gap:10px;font-size:14px;color:var(--text-2);padding:6px 0;align-items:flex-start;}
.side-list i{color:var(--main);margin-top:5px;font-size:13px;flex:none;}
.form-layout{display:grid;grid-template-columns:1.5fr 1fr;gap:32px;align-items:start;}

/* ---------- FAQ ---------- */
.faq{max-width:840px;margin:0 auto;}
.accordion-item{
  background:transparent;border:none;border-bottom:1px solid var(--border);
  border-radius:0 !important;
}
.accordion-item:first-child{border-top:1px solid var(--border);}
.faq-btn{
  width:100%;background:none;border:none;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 18px 22px 0;font-size:16px;font-weight:600;color:var(--text);
  transition:color .18s ease;
}
.faq-btn:hover{color:var(--main);}
.faq-btn .chev{color:var(--main);font-size:14px;transition:transform .2s ease;flex:none;}
.faq-btn[aria-expanded="true"]{color:var(--main);}
.faq-btn[aria-expanded="true"] .chev{transform:rotate(180deg);}
.faq-item-wrap{position:relative;}
.faq-item-wrap::before{
  content:"";position:absolute;left:-18px;top:18px;bottom:18px;width:3px;
  background:transparent;border-radius:2px;transition:background .2s ease;
}
.faq-item-wrap.open::before{background:var(--main);}
.accordion-body{
  padding:0 40px 24px 0;font-size:15px;color:var(--text-2);line-height:1.85;
}
.accordion-collapse{transition:height .2s ease;}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:var(--deep);
  background-image:linear-gradient(rgba(22,51,44,.94),rgba(22,51,44,.94)),url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
  padding:64px 0;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:36px;}
.cta-inner h2{color:#fff;font-size:26px;margin-bottom:10px;}
.cta-inner p{color:#C9D6D1;font-size:15px;}
.cta-actions{flex:none;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--deep);color:#C9D6D1;padding:64px 0 0;font-size:14px;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;}
.footer-brand .brand-name{color:#fff;}
.footer-brand .brand:hover .brand-name{color:#fff;}
.footer-brand .brand-divider{background:rgba(201,214,209,.28);}
.footer-brand .brand-tag{color:#8FA9A0;}
.footer-desc{margin-top:18px;color:#A9BFB8;line-height:1.85;max-width:320px;}
.footer-domain{margin-top:14px;font-size:13px;color:#7F9990;}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:0;}
.footer-col ul li{padding:6px 0;}
.footer-col a{color:#A9BFB8;font-size:14px;}
.footer-col a:hover{color:#fff;text-decoration:none;}
.footer-col .plain{color:#8FA9A0;font-size:14px;}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(201,214,209,.16);
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:13px;color:#7F9990;flex-wrap:wrap;
}

/* ---------- 响应式 ---------- */
@media (max-width:1399px){
  .container{max-width:1200px;}
}
@media (max-width:1199px){
  .nav-menu{gap:18px;}
  .brand-tag{display:none;}
  .brand-divider{display:none;}
  .ph-grid{gap:40px;}
}
@media (max-width:991px){
  h1{font-size:32px;}
  h2{font-size:26px;}
  .section{padding:64px 0;}
  .page-head{padding:56px 0 64px;}
  .nav-toggle{display:inline-flex;}
  .nav-menu{
    position:absolute;left:0;right:0;top:68px;
    display:none;flex-direction:column;align-items:stretch;gap:0;
    background:var(--bg);border-bottom:1px solid var(--border);
    box-shadow:var(--sh-2);padding:8px 24px 20px;
  }
  .nav-menu.open{display:flex;}
  .nav-link{padding:14px 4px;font-size:16px;border-bottom:1px solid var(--border);}
  .nav-link.active::after{display:none;}
  .nav-link.active{background:rgba(31,90,78,.06);border-radius:8px;padding-left:12px;}
  .nav-cta{margin-top:16px;text-align:center;padding:14px 18px;}
  .nav-mobile-cta{display:flex;gap:12px;margin-top:14px;}
  .nav-mobile-cta a{flex:1;}
  .ph-grid{grid-template-columns:1fr;gap:36px;}
  .ph-media{order:2;}
  .ph-float{left:16px;bottom:-18px;}
  .svc-grid{grid-template-columns:1fr;}
  .svc-main{grid-row:auto;}
  .stat-band{grid-template-columns:1fr 1fr;gap:28px;padding:30px 24px;}
  .stat-item:nth-child(3)::before{display:none;}
  .steps{grid-template-columns:1fr 1fr;gap:32px 0;}
  .step::after{display:none;}
  .form-layout{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:575px){
  h1{font-size:26px;}
  h2{font-size:22px;}
  h3{font-size:17px;}
  body{font-size:15px;}
  .container{padding-left:16px;padding-right:16px;}
  .topbar-right .top-link{display:none;}
  .topbar-left .hint{font-size:12px;}
  .section{padding:56px 0;}
  .page-head{padding:44px 0 56px;}
  .ph-actions .btn-main,.ph-actions .btn-line{width:100%;}
  .svc-main-body{padding:20px 18px 22px;}
  .svc-card{padding:18px;}
  .stat-band{grid-template-columns:1fr;gap:22px;}
  .stat-item+.stat-item::before{display:none;}
  .stat-item+.stat-item{border-top:1px solid rgba(201,214,209,.18);padding-top:18px;}
  .steps{grid-template-columns:1fr;}
  .form-wrap{padding:22px 18px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-accent{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}