/* roulang page: index */
:root{
  --zhu:#1F5E5A;
  --zhu-shen:#184A47;
  --zhu-qian:#2C7871;
  --wu:#6FA3A0;
  --wu-qian:#E4EDEC;
  --hu:#D08B3F;
  --hu-qian:#F6E9D8;
  --bg:#F6F4EF;
  --mian:#FFFFFF;
  --shen:#16302E;
  --mo:#16211F;
  --ci:#5F6E6B;
  --xian:#E2DDD3;
  --r-card:16px;
  --r-img:14px;
  --r-input:12px;
  --r-pill:999px;
  --sh:0 1px 2px rgba(22,33,31,.04), 0 8px 24px -12px rgba(22,33,31,.12);
  --sh-hover:0 2px 4px rgba(22,33,31,.06), 0 18px 38px -16px rgba(22,33,31,.22);
  --sp-sec:104px;
  --tr:.2s ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--mo);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16.5px;
  line-height:1.92;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:var(--zhu);text-decoration:none;transition:color var(--tr),border-color var(--tr),background-color var(--tr);}
a:hover{color:var(--hu);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid var(--hu);outline-offset:2px;border-radius:6px;
}
h1,h2,h3,h4,h5,h6{
  margin:0 0 .6em;color:var(--mo);font-weight:700;line-height:1.32;letter-spacing:0;
  font-family:inherit;
}
h1{font-size:40px;}
h2{font-size:30px;}
h3{font-size:20px;}
p{margin:0 0 1.1em;color:var(--mo);}
ul,ol{margin:0 0 1.1em;padding-left:0;list-style:none;}
figure{margin:0;}
dl,dd{margin:0;}
button,input,select,textarea{font-family:inherit;font-size:16px;}
input,select,textarea{
  width:100%;height:48px;padding:0 14px;border:1px solid var(--xian);border-radius:var(--r-input);
  background:#fff;color:var(--mo);transition:border-color var(--tr),box-shadow var(--tr);
  -webkit-appearance:none;appearance:none;
}
textarea{height:auto;min-height:132px;padding:12px 14px;line-height:1.8;resize:vertical;}
input:focus,select:focus,textarea:focus{
  border-color:var(--zhu);box-shadow:0 0 0 3px rgba(31,94,90,.12);outline:none;
}
select{background-image:linear-gradient(45deg,transparent 50%,var(--ci) 50%),linear-gradient(135deg,var(--ci) 50%,transparent 50%);
  background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;padding-right:40px;}
::selection{background:rgba(31,94,90,.16);}

.rl-container{max-width:1200px;margin:0 auto;padding:0 32px;}
.grid-padding-x{margin-left:-12px;margin-right:-12px;}
.grid-padding-x.grid-padding-x > .cell{padding-left:12px;padding-right:12px;}
.grid-margin-x{margin-left:-12px;margin-right:-12px;}
.grid-margin-x > .cell{margin-left:12px;margin-right:12px;}
.sec{padding:var(--sp-sec) 0;}
.sec-white{background:var(--mian);}
.sec-paper{background:var(--bg);}
.sec-line{border-top:1px solid var(--xian);}
.sec-head{max-width:720px;margin-bottom:48px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-head h2{margin-bottom:14px;}
.sec-head p{color:var(--ci);margin:0;max-width:680px;}
.sec-head.center p{margin-left:auto;margin-right:auto;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.14em;
  color:var(--wu);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--hu);display:inline-block;}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:16px;z-index:60;padding:0 20px;}
.nav-shell{
  max-width:1180px;margin:0 auto;display:flex;align-items:center;gap:18px;
  background:rgba(255,255,255,.86);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border:1px solid var(--xian);border-radius:var(--r-pill);box-shadow:0 1px 2px rgba(22,33,31,.04),0 12px 30px -18px rgba(22,33,31,.28);
  padding:10px 12px 10px 22px;
}
.brand{display:flex;flex-direction:column;line-height:1.15;flex-shrink:0;}
.brand b{font-size:16px;font-weight:700;color:var(--zhu);letter-spacing:.02em;}
.brand span{font-size:11px;color:var(--ci);letter-spacing:.18em;}
.brand:hover{text-decoration:none;}
.brand:hover b{color:var(--zhu-shen);}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav-links a{
  display:inline-flex;align-items:center;height:40px;padding:0 14px;border-radius:var(--r-pill);
  font-size:14px;font-weight:500;color:var(--mo);white-space:nowrap;
}
.nav-links a:hover{background:rgba(31,94,90,.06);color:var(--zhu);text-decoration:none;}
.nav-links a.is-active{background:rgba(31,94,90,.1);color:var(--zhu);font-weight:600;}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;height:44px;padding:0 22px;margin-left:8px;
  background:var(--zhu);color:#fff;border-radius:var(--r-pill);font-size:14px;font-weight:600;white-space:nowrap;
}
.nav-cta:hover{background:var(--zhu-shen);color:#fff;text-decoration:none;transform:translateY(-1px);}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--xian);background:#fff;border-radius:var(--r-pill);
  align-items:center;justify-content:center;cursor:pointer;margin-left:auto;
}
.nav-toggle i{display:block;width:18px;height:1.5px;background:var(--mo);position:relative;}
.nav-toggle i::before,.nav-toggle i::after{content:"";position:absolute;left:0;width:18px;height:1.5px;background:var(--mo);}
.nav-toggle i::before{top:-6px;}
.nav-toggle i::after{top:6px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:50px;padding:0 28px;
  border-radius:var(--r-pill);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background-color var(--tr),color var(--tr),border-color var(--tr),transform var(--tr),box-shadow var(--tr);
  text-align:center;
}
.btn-primary{background:var(--zhu);color:#fff;box-shadow:0 8px 20px -12px rgba(31,94,90,.7);}
.btn-primary:hover{background:var(--zhu-shen);color:#fff;transform:translateY(-1px);text-decoration:none;box-shadow:0 14px 26px -14px rgba(31,94,90,.75);}
.btn-primary:active{transform:translateY(0);background:#123A38;}
.btn-ghost{background:transparent;color:var(--zhu);border-color:var(--zhu);}
.btn-ghost:hover{background:rgba(31,94,90,.08);color:var(--zhu);text-decoration:none;transform:translateY(-1px);}
.btn-ghost:active{background:rgba(31,94,90,.14);}
.btn-light{background:#fff;color:var(--zhu);}
.btn-light:hover{background:var(--hu-qian);color:var(--zhu-shen);text-decoration:none;transform:translateY(-1px);}
.btn-sm{height:44px;padding:0 22px;font-size:14px;}
.btn-block{width:100%;}
.textlink{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--zhu);}
.textlink::after{content:"→";transition:transform var(--tr);}
.textlink:hover{color:var(--hu);text-decoration:none;}
.textlink:hover::after{transform:translateX(3px);}

/* ---------- Hero ---------- */
.hero{
  position:relative;margin-top:-86px;padding:172px 0 96px;
  background-image:linear-gradient(100deg,rgba(22,48,46,.94) 0%,rgba(31,94,90,.86) 52%,rgba(31,94,90,.72) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;color:#fff;
}
.hero h1{color:#fff;font-size:42px;max-width:15em;margin-bottom:20px;}
.hero .hero-sub{
  color:rgba(255,255,255,.86);font-size:18px;line-height:1.85;max-width:640px;margin:0 0 32px;
}
.hero .hero-sub strong{color:#fff;font-weight:600;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:52px;}
.hero-actions .btn-ghost{color:#fff;border-color:rgba(255,255,255,.5);}
.hero-actions .btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;}
.hero-trust{
  display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid rgba(255,255,255,.22);
}
.hero-trust div{padding:22px 26px 0;border-left:1px solid rgba(255,255,255,.16);}
.hero-trust div:first-child{border-left:0;padding-left:0;}
.hero-trust b{display:block;font-size:26px;font-weight:700;color:#fff;letter-spacing:.01em;margin-bottom:6px;font-family:Inter,"Segoe UI",system-ui,sans-serif;}
.hero-trust span{font-size:13.5px;color:rgba(255,255,255,.78);line-height:1.6;display:block;}

/* ---------- 服务卡 ---------- */
.svc-promo{
  display:flex;flex-direction:column;height:100%;padding:34px 32px;background:var(--mian);
  border:1px solid var(--xian);border-radius:var(--r-card);box-shadow:var(--sh);transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);
}
.svc-promo:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(31,94,90,.28);}
.svc-promo .num{
  font-family:Inter,"Segoe UI",system-ui,sans-serif;font-size:14px;font-weight:700;letter-spacing:.14em;color:var(--hu);margin-bottom:18px;
}
.svc-promo h3{font-size:22px;margin-bottom:12px;}
.svc-promo p{color:var(--ci);font-size:15.5px;margin-bottom:22px;}
.svc-promo .seal{
  width:44px;height:44px;border-radius:13px;background:var(--wu-qian);color:var(--zhu);
  display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:700;margin-bottom:18px;
}
.svc-promo .mt-auto{margin-top:auto;}
.svc-mini{
  height:100%;padding:26px 24px;background:var(--mian);border:1px solid var(--xian);border-radius:var(--r-card);
  transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);
}
.svc-mini:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(31,94,90,.28);}
.svc-mini h3{font-size:17.5px;margin-bottom:10px;}
.svc-mini p{font-size:14.5px;color:var(--ci);margin-bottom:14px;line-height:1.8;}
.svc-mini .idx{
  display:inline-flex;align-items:center;justify-content:center;min-width:32px;height:24px;padding:0 9px;border-radius:var(--r-pill);
  background:var(--hu-qian);color:#8A5620;font-size:12px;font-weight:700;letter-spacing:.08em;margin-bottom:14px;
  font-family:Inter,"Segoe UI",system-ui,sans-serif;
}

/* ---------- 数据条 ---------- */
.databar{background:var(--wu-qian);border-top:1px solid #D6E3E1;border-bottom:1px solid #D6E3E1;}
.databar .grid-x{display:flex;}
.databar .cell{padding:40px 0;}
.databar .item{padding:0 28px;border-left:1px solid #CFDEDC;height:100%;}
.databar .cell:first-child .item{border-left:0;padding-left:0;}
.databar b{
  display:block;font-size:40px;line-height:1.1;font-weight:700;color:var(--zhu);margin-bottom:10px;
  font-family:Inter,"Segoe UI",system-ui,sans-serif;letter-spacing:-.01em;
}
.databar b small{font-size:18px;font-weight:600;margin-left:2px;}
.databar span{font-size:14px;color:var(--ci);line-height:1.7;display:block;}

/* ---------- 案例 ---------- */
.case-row{align-items:center;}
.case-media{position:relative;}
.case-media img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-img);}
.case-media::after{
  content:"";position:absolute;inset:auto -14px -14px auto;width:96px;height:96px;border-radius:20px;
  border:1px solid rgba(31,94,90,.28);z-index:-1;
}
.case-body{padding:12px 0;}
.case-body .badge{margin-bottom:18px;}
.case-body h3{font-size:24px;margin-bottom:14px;}
.case-body p{color:var(--ci);font-size:16px;}
.case-result{
  margin:24px 0 22px;padding:18px 22px;border-left:3px solid var(--zhu);background:var(--wu-qian);
  border-radius:0 12px 12px 0;font-size:15.5px;color:var(--zhu-shen);font-weight:600;line-height:1.75;
}
.badge{
  display:inline-flex;align-items:center;height:28px;padding:0 13px;border-radius:var(--r-pill);
  background:var(--hu-qian);color:#8A5620;font-size:12.5px;font-weight:600;letter-spacing:.04em;
}
.badge-teal{background:var(--wu-qian);color:var(--zhu);}

/* ---------- 资讯卡 ---------- */
.news-card{
  display:flex;flex-direction:column;height:100%;background:var(--mian);border:1px solid var(--xian);
  border-radius:var(--r-card);overflow:hidden;transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(31,94,90,.28);}
.news-card .thumb{position:relative;display:block;}
.news-card .thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;}
.news-card .thumb .ph{
  width:100%;aspect-ratio:16/9;background:rgba(31,94,90,.08);display:flex;align-items:center;justify-content:center;color:var(--zhu);
}
.news-card .thumb .ph svg{width:42px;height:42px;opacity:.7;}
.news-card .thumb .badge{position:absolute;left:14px;top:14px;}
.news-card .body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
.news-card h3{font-size:17.5px;margin-bottom:10px;line-height:1.5;}
.news-card h3 a{color:var(--mo);}
.news-card h3 a:hover{color:var(--zhu);text-decoration:none;}
.news-card .excerpt{
  font-size:14.5px;color:var(--ci);margin-bottom:18px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card .meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:16px;border-top:1px solid var(--xian);font-size:13px;color:var(--ci);
}
.empty-state{
  grid-column:1/-1;text-align:center;padding:64px 24px;background:var(--mian);border:1px dashed var(--xian);border-radius:var(--r-card);
}
.empty-state .ico{
  width:56px;height:56px;margin:0 auto 18px;border-radius:50%;background:rgba(31,94,90,.08);color:var(--zhu);
  display:flex;align-items:center;justify-content:center;
}
.empty-state p{color:var(--ci);margin-bottom:20px;}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--xian);}
.flow-step{padding:32px 26px 8px;border-left:1px solid var(--xian);}
.flow-step:first-child{border-left:0;padding-left:0;}
.flow-step .no{
  font-family:Inter,"Segoe UI",system-ui,sans-serif;font-size:15px;font-weight:700;letter-spacing:.16em;color:var(--hu);margin-bottom:16px;display:block;
}
.flow-step h3{font-size:18px;margin-bottom:10px;}
.flow-step p{font-size:14.5px;color:var(--ci);margin:0;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto;}
.faq-item{
  background:var(--mian);border:1px solid var(--xian);border-radius:var(--r-card);margin-bottom:14px;overflow:hidden;
  transition:border-color var(--tr),box-shadow var(--tr);
}
.faq-item:hover{border-color:rgba(31,94,90,.28);}
.faq-item[open]{box-shadow:var(--sh);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:18px;
  min-height:62px;padding:16px 24px;font-size:16px;font-weight:600;color:var(--mo);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .mark{
  margin-left:auto;position:relative;width:18px;height:18px;flex:none;
}
.faq-item summary .mark::before,.faq-item summary .mark::after{
  content:"";position:absolute;background:var(--zhu);transition:transform var(--tr),opacity var(--tr);
}
.faq-item summary .mark::before{left:0;top:8px;width:18px;height:1.6px;}
.faq-item summary .mark::after{left:8px;top:0;width:1.6px;height:18px;}
.faq-item[open] summary .mark::after{transform:scaleY(0);opacity:0;}
.faq-item[open] summary{color:var(--zhu);}
.faq-body{padding:0 24px 24px 24px;color:var(--ci);font-size:15.5px;line-height:1.9;background:var(--bg);border-top:1px solid var(--xian);padding-top:20px;}
.faq-body p:last-child{margin-bottom:0;}

/* ---------- 联系 ---------- */
.contact-panel{
  background:var(--mian);border:1px solid var(--xian);border-radius:var(--r-card);padding:34px 32px;box-shadow:var(--sh);
}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--ci);margin-bottom:8px;}
.info-list{list-style:none;padding:0;margin:0;}
.info-list li{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--xian);}
.info-list li:last-child{border-bottom:0;}
.info-list .k{width:78px;flex:none;font-size:13.5px;color:var(--ci);padding-top:2px;}
.info-list .v{font-size:15.5px;font-weight:600;color:var(--mo);line-height:1.7;}
.info-list .v em{display:block;font-style:normal;font-weight:400;font-size:14px;color:var(--ci);margin-top:4px;}
.notice-bar{
  display:none;margin-top:18px;padding:14px 18px;border-left:3px solid var(--zhu);background:var(--wu-qian);
  border-radius:12px;font-size:14.5px;color:var(--zhu-shen);
}
.notice-bar.show{display:block;}
.contact-aside{
  background:var(--shen);color:#fff;border-radius:var(--r-card);padding:34px 32px;height:100%;
}
.contact-aside h3{color:#fff;font-size:20px;margin-bottom:14px;}
.contact-aside p{color:rgba(255,255,255,.76);font-size:15px;line-height:1.9;}
.contact-aside .divider{height:1px;background:rgba(255,255,255,.16);margin:24px 0;}
.contact-aside a{color:#fff;}
.contact-aside a:hover{color:var(--hu);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--shen);color:rgba(255,255,255,.72);padding:80px 0 0;margin-top:0;}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:20px;letter-spacing:.04em;}
.site-footer p{color:rgba(255,255,255,.72);font-size:14.5px;line-height:1.9;}
.footer-brand b{display:block;color:#fff;font-size:19px;font-weight:700;margin-bottom:6px;}
.footer-brand span{display:block;font-size:11px;letter-spacing:.2em;color:rgba(255,255,255,.55);margin-bottom:18px;}
.footer-links{list-style:none;padding:0;margin:0;}
.footer-links li{margin-bottom:12px;}
.footer-links a{color:rgba(255,255,255,.76);font-size:14.5px;}
.footer-links a:hover{color:var(--hu);text-decoration:none;}
.footer-bottom{
  margin-top:64px;padding:24px 0;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;font-size:13.5px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.6);}
.footer-bottom a:hover{color:var(--hu);text-decoration:none;}

@media screen and (max-width:1199px){
  h1{font-size:36px;}
  .hero h1{font-size:36px;}
  h2{font-size:27px;}
  .rl-container{padding:0 28px;}
}
@media screen and (max-width:991px){
  .nav-toggle{display:flex;}
  .nav-shell{flex-wrap:wrap;padding:10px 12px 10px 18px;}
  .brand{margin-right:auto;}
  .nav-links{
    display:none;width:100%;flex-direction:column;align-items:stretch;gap:4px;
    margin:12px 0 4px;padding-top:12px;border-top:1px solid var(--xian);
  }
  .nav-links.open{display:flex;}
  .nav-links a{height:46px;padding:0 16px;border-radius:14px;font-size:15px;}
  .nav-cta{display:none;}
  .nav-cta.mobile-show{display:inline-flex;width:100%;margin:4px 0 0;}
  .hero{padding:150px 0 80px;}
  .flow{grid-template-columns:repeat(2,1fr);}
  .flow-step{padding:28px 22px 8px;}
  .flow-step:nth-child(odd){border-left:0;padding-left:0;}
  .flow-step:nth-child(3),.flow-step:nth-child(4){border-top:1px solid var(--xian);}
  :root{--sp-sec:88px;}
}
@media screen and (max-width:767px){
  :root{--sp-sec:64px;}
  h1{font-size:29px;}
  .hero h1{font-size:29px;}
  h2{font-size:24px;}
  h3{font-size:18px;}
  body{font-size:15.5px;}
  .rl-container{padding:0 20px;}
  .hero{margin-top:-78px;padding:132px 0 64px;}
  .hero .hero-sub{font-size:16px;}
  .hero-trust{grid-template-columns:1fr;}
  .hero-trust div{border-left:0;padding:18px 0 0;border-top:1px solid rgba(255,255,255,.16);}
  .hero-trust div:first-child{border-top:0;padding-top:0;}
  .databar .grid-x{flex-wrap:wrap;}
  .databar .cell{padding:24px 0;border-top:1px solid #CFDEDC;}
  .databar .cell:first-child{border-top:0;}
  .databar .item{border-left:0;padding:0 4px;}
  .databar b{font-size:34px;}
  .case-body{padding:28px 0 0;}
  .case-media::after{display:none;}
  .flow{grid-template-columns:1fr;}
  .flow-step{border-left:0;padding:26px 0 6px;border-top:1px solid var(--xian);}
  .flow-step:first-child{border-top:0;padding-top:0;}
  .contact-panel,.contact-aside{padding:26px 22px;}
  .site-footer{padding-top:56px;}
}
@media screen and (max-width:519px){
  .hero-actions .btn{width:100%;}
  .faq-item summary{padding:14px 18px;font-size:15px;}
  .faq-body{padding:18px;}
  .info-list li{flex-direction:column;gap:6px;}
  .info-list .k{width:auto;}
}

/* roulang page: article */
:root{
  --c-primary:#1F5E5A;
  --c-primary-dark:#164643;
  --c-primary-soft:rgba(31,94,90,.08);
  --c-mist:#6FA3A0;
  --c-amber:#D08B3F;
  --c-paper:#F6F4EF;
  --c-card:#FFFFFF;
  --c-deep:#16302E;
  --c-ink:#16211F;
  --c-sub:#5F6E6B;
  --c-line:#E2DDD3;
  --r-card:16px;
  --r-img:14px;
  --r-pill:999px;
  --r-input:12px;
  --sh-base:0 1px 2px rgba(22,33,31,.04),0 8px 24px -12px rgba(22,33,31,.12);
  --sh-hover:0 2px 4px rgba(22,33,31,.06),0 18px 38px -16px rgba(22,33,31,.22);
  --t:200ms ease;
  --container:1200px;
  --sp-section:104px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",Inter,system-ui,-apple-system,sans-serif;
  font-size:16.5px;line-height:1.9;letter-spacing:.01em;
  color:var(--c-ink);background:var(--c-paper);
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t),border-color var(--t)}
a:hover{color:var(--c-amber);text-decoration:underline;text-underline-offset:3px}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--c-amber);outline-offset:2px}
h1,h2,h3,h4,h5,h6{font-family:inherit;color:var(--c-ink);font-weight:700;line-height:1.3;letter-spacing:0;margin:0 0 .7em}
h1{font-size:40px;line-height:1.25}
h2{font-size:30px;line-height:1.3}
h3{font-size:20px;line-height:1.35}
h4{font-size:17px}
p{margin:0 0 1.1em}
ul,ol{margin:0 0 1.1em;padding:0;list-style:none}
button{font-family:inherit}
.rl-container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.section{padding:var(--sp-section) 0}
.section--paper{background:var(--c-paper)}
.section--white{background:#fff}
.section--tight{padding:72px 0}
.section-head{margin-bottom:40px;max-width:720px}
.section-head h2{margin-bottom:12px}
.section-head p{color:var(--c-sub);font-size:16px;margin:0}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--c-mist);font-weight:600;margin-bottom:12px}

/* 导航 */
.site-header{position:sticky;top:16px;z-index:60;padding:0 20px}
.nav-shell{
  max-width:1180px;margin:0 auto;display:flex;align-items:center;gap:22px;
  padding:10px 14px 10px 22px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.86);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border:1px solid var(--c-line);box-shadow:var(--sh-base);
}
.brand{display:flex;flex-direction:column;line-height:1.15;flex-shrink:0}
.brand b{font-size:17px;font-weight:700;color:var(--c-primary);letter-spacing:.01em}
.brand span{font-size:10px;letter-spacing:.22em;color:var(--c-mist);font-weight:600}
.brand:hover{text-decoration:none}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:wrap}
.nav-links a{
  font-size:13.5px;font-weight:500;color:var(--c-ink);padding:9px 14px;border-radius:var(--r-pill);
  transition:background var(--t),color var(--t);min-height:38px;display:inline-flex;align-items:center;
}
.nav-links a:hover{background:var(--c-primary-soft);color:var(--c-primary);text-decoration:none}
.nav-links a.is-active{background:var(--c-primary-soft);color:var(--c-primary);font-weight:600}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 22px;
  border-radius:var(--r-pill);background:var(--c-primary);color:#fff!important;font-size:14px;font-weight:600;
  white-space:nowrap;transition:transform var(--t),background var(--t),box-shadow var(--t);
}
.nav-cta:hover{background:var(--c-primary-dark);transform:translateY(-1px);text-decoration:none;box-shadow:0 10px 20px -12px rgba(22,33,31,.5)}
.nav-links .nav-cta{display:none}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-pill);border:1px solid var(--c-line);
  background:#fff;margin-left:auto;align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle i{display:block;width:18px;height:2px;background:var(--c-ink);position:relative}
.nav-toggle i::before,.nav-toggle i::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-ink);transition:transform var(--t)}
.nav-toggle i::before{top:-6px}
.nav-toggle i::after{top:6px}

/* 文章头部 */
.article-hero{
  position:relative;margin-top:-72px;padding:172px 0 76px;
  background-image:linear-gradient(115deg,rgba(22,48,46,.90),rgba(31,94,90,.74)),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;color:#fff;
}
.article-hero h1{color:#fff;font-size:38px;max-width:900px;margin:16px 0 18px}
.article-hero .breadcrumbs{color:rgba(255,255,255,.72)}
.article-hero .breadcrumbs a{color:rgba(255,255,255,.86)}
.article-hero .breadcrumbs a:hover{color:var(--c-amber)}
.article-hero .breadcrumbs .current{color:#fff}
.article-hero .breadcrumbs .sep{color:rgba(255,255,255,.4);margin:0 10px}
.breadcrumbs{font-size:13px;display:flex;flex-wrap:wrap;align-items:center;gap:2px}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;background:rgba(208,139,63,.18);color:#F4D3A6;border:1px solid rgba(208,139,63,.42);
}
.meta-line{display:flex;flex-wrap:wrap;gap:22px;font-size:13.5px;color:rgba(255,255,255,.78)}
.meta-line span{display:inline-flex;align-items:center;gap:7px}
.meta-dot{width:5px;height:5px;border-radius:50%;background:var(--c-amber);display:inline-block}

/* 正文 */
.article-layout{padding:76px 0 84px;background:#fff}
.article-body{max-width:760px;font-size:17px;line-height:1.9;color:#22302E}
.article-body p{margin:0 0 1.15em}
.article-body h2{font-size:26px;margin:2em 0 .8em;padding-left:16px;position:relative;border-left:3px solid var(--c-primary)}
.article-body h3{font-size:20px;margin:1.7em 0 .65em;padding-left:14px;position:relative;border-left:3px solid var(--c-mist)}
.article-body ul,.article-body ol{padding-left:2px;margin:0 0 1.2em}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:.55em}
.article-body ul li::before{content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:2px;background:var(--c-primary)}
.article-body ol{counter-reset:rl;padding-left:0}
.article-body ol li{position:relative;padding-left:34px;margin-bottom:.6em;counter-increment:rl}
.article-body ol li::before{content:counter(rl);position:absolute;left:0;top:.25em;width:22px;height:22px;border-radius:7px;background:var(--c-primary-soft);color:var(--c-primary);font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center}
.article-body blockquote{
  margin:1.6em 0;padding:20px 24px;background:var(--c-paper);border-left:3px solid var(--c-amber);
  border-radius:0 var(--r-input) var(--r-input) 0;color:#3B4A47;font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:1.6em auto}
.article-body figure{margin:1.8em 0}
.article-body figcaption{text-align:center;font-size:13.5px;color:var(--c-sub);margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15.5px}
.article-body th{background:var(--c-primary-soft);color:var(--c-primary);text-align:left}
.article-body th,.article-body td{padding:12px 16px;border:0}
.article-body tbody tr:nth-child(odd){background:#FAF9F5}
.article-body tbody tr:nth-child(even){background:#fff}
.article-body a{border-bottom:1px solid rgba(31,94,90,.35)}
.article-body a:hover{border-bottom-color:var(--c-amber)}
.article-empty{
  max-width:760px;text-align:center;padding:56px 28px;border:1px solid var(--c-line);
  border-radius:var(--r-card);background:var(--c-paper);
}
.article-empty .ico{width:56px;height:56px;border-radius:18px;background:var(--c-primary-soft);color:var(--c-primary);display:flex;align-items:center;justify-content:center;margin:0 auto 18px;font-size:22px;font-weight:700}
.article-empty p{color:var(--c-sub);margin-bottom:20px}

/* 侧栏目录 */
.article-aside{position:relative}
.toc-card{
  position:sticky;top:104px;border:1px solid var(--c-line);border-radius:var(--r-card);
  background:var(--c-card);padding:24px;box-shadow:var(--sh-base);
}
.toc-card h4{font-size:15px;margin-bottom:14px;color:var(--c-ink)}
.toc-list li{margin-bottom:2px}
.toc-list a{display:block;font-size:14px;color:var(--c-sub);padding:8px 12px;border-radius:10px;border-left:2px solid transparent;transition:all var(--t)}
.toc-list a:hover,.toc-list a.is-on{background:var(--c-primary-soft);color:var(--c-primary);border-left-color:var(--c-primary);text-decoration:none}
.toc-note{font-size:12.5px;color:var(--c-sub);margin-top:16px;padding-top:16px;border-top:1px solid var(--c-line);line-height:1.7}
.toc-cta{display:block;margin-top:16px;text-align:center}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 26px;
  border-radius:var(--r-pill);font-size:14.5px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform var(--t),background var(--t),color var(--t),border-color var(--t),box-shadow var(--t);
}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px);text-decoration:none;box-shadow:0 12px 24px -14px rgba(22,33,31,.55)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary);text-decoration:none;transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-solid-light{background:#fff;color:var(--c-primary)}
.btn-solid-light:hover{background:#F1EFE9;color:var(--c-primary);text-decoration:none;transform:translateY(-1px)}
.link-more{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:14.5px}
.link-more .arw{transition:transform var(--t)}
.link-more:hover .arw{transform:translateX(3px)}

/* 文末工具 */
.article-foot{margin-top:44px;padding-top:28px;border-top:1px solid var(--c-line)}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px}
.tag{font-size:13px;padding:6px 14px;border-radius:var(--r-pill);background:var(--c-paper);border:1px solid var(--c-line);color:var(--c-sub);transition:all var(--t)}
.tag:hover{background:var(--c-primary-soft);border-color:var(--c-mist);color:var(--c-primary);text-decoration:none}
.copy-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-bottom:26px}
.copy-btn{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 22px;border-radius:var(--r-pill);border:1px dashed var(--c-mist);background:#fff;color:var(--c-primary);font-size:14px;font-weight:600;cursor:pointer;transition:all var(--t)}
.copy-btn:hover{background:var(--c-primary-soft);border-style:solid}
.copy-tip{font-size:13px;color:var(--c-sub)}
.prev-next{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.pn-item{display:block;border:1px solid var(--c-line);border-radius:var(--r-card);padding:20px 22px;background:var(--c-card);transition:all var(--t)}
.pn-item span{display:block;font-size:12.5px;color:var(--c-mist);margin-bottom:8px;letter-spacing:.06em}
.pn-item strong{font-size:15.5px;font-weight:600;color:var(--c-ink);line-height:1.5;display:block}
.pn-item:hover{border-color:rgba(31,94,90,.35);box-shadow:var(--sh-hover);transform:translateY(-4px);text-decoration:none}
.pn-item:hover strong{color:var(--c-primary)}

/* 相关推荐 */
.rec-section{padding:84px 0;background:var(--c-paper)}
.rec-card{display:flex;flex-direction:column;height:100%;background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;transition:transform var(--t),border-color var(--t),box-shadow var(--t)}
.rec-card:hover{transform:translateY(-4px);border-color:rgba(31,94,90,.3);box-shadow:var(--sh-hover);text-decoration:none}
.rec-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--c-primary-soft)}
.rec-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform 400ms ease}
.rec-card:hover .rec-thumb img{transform:scale(1.04)}
.rec-body{padding:24px;display:flex;flex-direction:column;flex:1}
.rec-cat{font-size:12.5px;font-weight:600;color:var(--c-amber);margin-bottom:10px}
.rec-body h3{font-size:17px;margin-bottom:10px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rec-body p{font-size:14px;color:var(--c-sub);line-height:1.8;margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rec-meta{margin-top:auto;font-size:13px;color:var(--c-sub);display:flex;justify-content:space-between;align-items:center}

/* 返回入口 */
.back-row{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;padding:44px 0 0}

/* 页脚 */
.site-footer{background:var(--c-deep);color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:0}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:18px;letter-spacing:.04em}
.footer-brand b{display:block;color:#fff;font-size:18px;margin-bottom:6px}
.footer-brand span{display:block;font-size:10px;letter-spacing:.22em;color:var(--c-mist);margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);margin:0}
.footer-links li{margin-bottom:11px;font-size:14px}
.footer-links a{color:rgba(255,255,255,.72)}
.footer-links a:hover{color:var(--c-amber);text-decoration:none}
.footer-bottom{margin-top:48px;border-top:1px solid rgba(255,255,255,.14);padding:22px 0 30px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:13px;color:rgba(255,255,255,.55)}

@media screen and (max-width:1199px){
  :root{--sp-section:88px}
  .article-hero h1{font-size:34px}
}
@media screen and (max-width:991px){
  :root{--sp-section:72px}
  .nav-toggle{display:flex}
  .nav-shell>.nav-cta{display:none}
  .nav-links{
    position:absolute;left:20px;right:20px;top:calc(100% + 10px);flex-direction:column;align-items:stretch;
    background:#fff;border:1px solid var(--c-line);border-radius:22px;box-shadow:var(--sh-hover);padding:14px;display:none;
  }
  .nav-links.is-open{display:flex}
  .nav-links a{padding:12px 14px;min-height:44px;font-size:15px}
  .nav-links .nav-cta{display:inline-flex;margin-top:8px}
  .article-hero{padding:150px 0 62px}
  .article-hero h1{font-size:30px}
  .toc-card{position:static}
}
@media screen and (max-width:767px){
  :root{--sp-section:60px}
  .rl-container{padding:0 20px}
  h1{font-size:28px}
  h2{font-size:24px}
  h3{font-size:18px}
  .article-hero h1{font-size:26px}
  .article-body{font-size:16px}
  .article-body h2{font-size:22px}
  .prev-next{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
  .site-header{top:10px;padding:0 14px}
}
@media screen and (max-width:519px){
  .brand b{font-size:15px}
  .article-hero{padding:136px 0 52px}
  .meta-line{gap:14px;font-size:13px}
  .back-row .btn{width:100%}
}

/* roulang page: category1 */
:root{
  --c-main:#1F5E5A;
  --c-main-deep:#174946;
  --c-mist:#6FA3A0;
  --c-amber:#D08B3F;
  --c-bg:#F6F4EF;
  --c-surface:#FFFFFF;
  --c-deep:#16302E;
  --c-ink:#16211F;
  --c-sub:#5F6E6B;
  --c-line:#E2DDD3;
  --r-card:16px;
  --r-img:14px;
  --r-pill:999px;
  --r-input:12px;
  --sh-1:0 1px 2px rgba(22,33,31,.04), 0 8px 24px -12px rgba(22,33,31,.12);
  --sh-2:0 2px 6px rgba(22,33,31,.07), 0 20px 44px -20px rgba(22,33,31,.26);
  --w-container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  font-size:16.5px;
  line-height:1.9;
  letter-spacing:.01em;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
h1,h2,h3,h4,h5,h6{
  margin:0 0 .6em;
  font-family:inherit;
  font-weight:650;
  line-height:1.3;
  letter-spacing:0;
  color:var(--c-ink);
}
h1{font-size:40px}
h2{font-size:30px}
h3{font-size:20px}
h4{font-size:16px}
p{margin:0 0 1em}
a{color:var(--c-main);text-decoration:none;transition:color .18s ease,background-color .18s ease}
a:hover{color:var(--c-amber);text-decoration:underline;text-underline-offset:3px}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--c-amber);
  outline-offset:2px;
  border-radius:6px;
}
ul,ol{margin:0 0 1em;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,select,textarea{font-family:inherit;font-size:16px}
hr{border:0;border-top:1px solid var(--c-line);margin:32px 0}
.rl-container{width:100%;max-width:var(--w-container);margin:0 auto;padding:0 32px}
.section{padding:88px 0}
.section--tight{padding:56px 0}
.section--paper{background:var(--c-bg)}
.section--white{background:var(--c-surface)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.12em;
  color:var(--c-main);text-transform:uppercase;
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--c-amber);border-radius:2px}
.lede{font-size:17px;color:var(--c-sub);max-width:700px}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:16px;z-index:60;padding:0 16px}
.nav-shell{
  max-width:1180px;margin:0 auto;
  display:flex;align-items:center;gap:16px;
  padding:9px 10px 9px 20px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border:1px solid rgba(226,221,211,.95);
  box-shadow:0 12px 34px -22px rgba(22,33,31,.45);
}
.brand{display:flex;flex-direction:column;line-height:1.12;flex:0 0 auto}
.brand b{font-size:15px;font-weight:700;letter-spacing:.02em;color:var(--c-ink)}
.brand span{font-size:10px;font-weight:600;letter-spacing:.2em;color:var(--c-mist)}
.brand:hover{text-decoration:none}
.brand:hover b{color:var(--c-main)}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-links a{
  display:inline-flex;align-items:center;
  height:40px;padding:0 13px;border-radius:var(--r-pill);
  font-size:13.5px;font-weight:500;color:var(--c-ink);
  white-space:nowrap;
}
.nav-links a:hover{background:rgba(31,94,90,.07);color:var(--c-main);text-decoration:none}
.nav-links a:active{background:rgba(31,94,90,.13)}
.nav-links a.is-active{background:rgba(31,94,90,.11);color:var(--c-main);font-weight:600}
.nav-links .nav-cta{display:none}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:44px;padding:0 22px;border-radius:var(--r-pill);
  background:var(--c-main);color:#fff;font-size:14px;font-weight:600;
  white-space:nowrap;box-shadow:0 10px 22px -14px rgba(31,94,90,.9);
  transition:background-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.nav-cta:hover{background:var(--c-main-deep);color:#fff;text-decoration:none;transform:translateY(-1px)}
.nav-cta:active{transform:translateY(0);background:#123c3a}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:#fff;
  margin-left:auto;place-items:center;
}
.nav-toggle i{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px;position:relative}
.nav-toggle i::before,.nav-toggle i::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-ink);border-radius:2px;
}
.nav-toggle i::before{top:-6px}
.nav-toggle i::after{top:6px}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:rgba(255,255,255,.78)}
.crumb a{color:rgba(255,255,255,.82)}
.crumb a:hover{color:#fff}
.crumb .sep{width:1px;height:12px;background:rgba(255,255,255,.35)}
.crumb .cur{color:#fff;font-weight:600}
.crumb .cur:hover{text-decoration:none}

/* ---------- 内页横幅 ---------- */
.page-banner{
  position:relative;overflow:hidden;
  margin-top:-76px;
  padding:140px 0 76px;
  color:#fff;
  background-image:linear-gradient(96deg,rgba(19,44,42,.94) 0%,rgba(31,94,90,.86) 58%,rgba(31,94,90,.72) 100%),
                   url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
  border-radius:0 0 28px 28px;
}
.page-banner::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:rgba(208,139,63,.5);
}
.page-banner h1{color:#fff;margin:18px 0 16px;max-width:820px}
.page-banner .lede{color:rgba(255,255,255,.86);font-size:18px;max-width:680px}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 14px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;letter-spacing:.04em;
  background:rgba(208,139,63,.16);color:#F1C48C;border:1px solid rgba(208,139,63,.4);
}
.badge--main{background:rgba(31,94,90,.09);color:var(--c-main);border-color:rgba(31,94,90,.2)}
.badge--mist{background:rgba(111,163,160,.14);color:#3F7B78;border-color:rgba(111,163,160,.35)}
.banner-facts{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.banner-facts span{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);
  font-size:13.5px;color:rgba(255,255,255,.92);
}

/* ---------- 主体布局 ---------- */
.cat-body{padding:80px 0 96px}
.anchor-nav{
  position:sticky;top:100px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:22px;
  box-shadow:var(--sh-1);
}
.anchor-nav h2{font-size:14px;letter-spacing:.1em;color:var(--c-sub);font-weight:600;margin-bottom:14px}
.anchor-nav ol{margin:0;counter-reset:anchor}
.anchor-nav li{margin-bottom:4px}
.anchor-nav a{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:10px;
  font-size:14.5px;font-weight:500;color:var(--c-ink);
  transition:background-color .18s ease,color .18s ease,padding-left .18s ease;
}
.anchor-nav a::before{
  counter-increment:anchor;content:counter(anchor,decimal-leading-zero);
  font-size:11.5px;font-weight:700;color:var(--c-mist);letter-spacing:.04em;
}
.anchor-nav a:hover{background:rgba(31,94,90,.07);color:var(--c-main);text-decoration:none;padding-left:16px}
.anchor-nav a:active{background:rgba(31,94,90,.13)}
.anchor-nav .nav-note{
  margin-top:16px;padding-top:16px;border-top:1px solid var(--c-line);
  font-size:13px;color:var(--c-sub);line-height:1.8;
}

.sec{margin-bottom:76px;scroll-margin-top:110px}
.sec-head{margin-bottom:28px}
.sec-head h2{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.sec-head h2::before{content:"";width:3px;height:26px;background:var(--c-main);border-radius:3px;flex:0 0 auto}
.sec-head p{color:var(--c-sub);font-size:15.5px;max-width:680px;margin:0}
.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.svc-card{
  display:flex;flex-direction:column;gap:12px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:26px;
  box-shadow:var(--sh-1);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.svc-card:hover{transform:translateY(-4px);border-color:rgba(31,94,90,.24);box-shadow:var(--sh-2)}
.svc-card .card-icon{
  width:40px;height:40px;border-radius:12px;
  background:rgba(31,94,90,.08);color:var(--c-main);
  display:grid;place-items:center;
  font-size:13px;font-weight:700;letter-spacing:.02em;
}
.svc-card h3{margin:0;font-size:18.5px}
.svc-card p{margin:0;font-size:15px;line-height:1.85;color:var(--c-sub)}
.svc-card .text-link{margin-top:auto}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--c-main);
}
.text-link::after{content:"→";transition:transform .18s ease}
.text-link:hover{color:var(--c-amber);text-decoration:none}
.text-link:hover::after{transform:translateX(3px)}
.text-link:active{color:var(--c-main-deep)}

/* ---------- 数据条 ---------- */
.data-bar{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  background:#EFEDE6;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:32px 8px;
  margin:8px 0 76px;
}
.data-item{text-align:center;padding:0 18px;border-right:1px solid var(--c-line)}
.data-item:last-child{border-right:0}
.data-item b{display:block;font-size:40px;line-height:1.12;font-weight:700;color:var(--c-main);letter-spacing:-.01em}
.data-item span{display:block;margin-top:8px;font-size:14px;color:var(--c-sub)}

/* ---------- 图文段 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center}
.split figure{margin:0}
.split img{width:100%;aspect-ratio:4/3;object-fit:cover;border:1px solid var(--c-line)}
.quote-line{
  border-left:3px solid var(--c-main);
  background:rgba(31,94,90,.045);
  border-radius:0 12px 12px 0;
  padding:16px 20px;
  font-size:15px;color:var(--c-sub);line-height:1.85;
}

/* ---------- 服务方案对比 ---------- */
.plan-compare{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.plan-col{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:30px;
  box-shadow:var(--sh-1);
  display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.plan-col:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(31,94,90,.24)}
.plan-col.is-featured{border-color:rgba(31,94,90,.35);background:linear-gradient(180deg,rgba(31,94,90,.05),rgba(255,255,255,1) 42%)}
.plan-col h3{margin-bottom:6px}
.plan-col .plan-meta{font-size:13.5px;color:var(--c-sub);margin-bottom:18px}
.tick-list{margin:0 0 24px}
.tick-list li{
  position:relative;padding-left:24px;margin-bottom:12px;
  font-size:15px;color:var(--c-sub);line-height:1.8;
}
.tick-list li::before{
  content:"";position:absolute;left:0;top:11px;
  width:8px;height:8px;border-radius:2px;background:var(--c-mist);
}
.plan-col .btn{align-self:flex-start;margin-top:auto}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:background-color .18s ease,color .18s ease,transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--c-main);color:#fff;box-shadow:0 14px 26px -18px rgba(31,94,90,.95)}
.btn-primary:hover{background:var(--c-main-deep);color:#fff;text-decoration:none;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0);background:#123c3a}
.btn-ghost{background:transparent;color:var(--c-main);border:1px solid rgba(31,94,90,.45)}
.btn-ghost:hover{background:rgba(31,94,90,.08);color:var(--c-main-deep);text-decoration:none;transform:translateY(-1px)}
.btn-ghost:active{background:rgba(31,94,90,.16);transform:translateY(0)}
.btn-on-dark{background:var(--c-amber);color:#28190A}
.btn-on-dark:hover{background:#C17C2F;color:#1F1206;text-decoration:none;transform:translateY(-1px)}
.btn-outline-light{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.5)}
.btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff;text-decoration:none;transform:translateY(-1px)}

/* ---------- CTA 横条 ---------- */
.cta-bar{
  background:var(--c-deep);
  border-radius:24px;
  padding:52px 48px;
  color:#fff;
  display:flex;flex-wrap:wrap;align-items:center;gap:32px;justify-content:space-between;
  position:relative;overflow:hidden;
}
.cta-bar::before{
  content:"";position:absolute;right:-60px;top:-60px;
  width:240px;height:240px;border-radius:50%;
  background:rgba(111,163,160,.14);
}
.cta-bar h2{color:#fff;margin-bottom:10px;font-size:26px;position:relative}
.cta-bar p{margin:0;color:rgba(255,255,255,.78);font-size:15.5px;max-width:560px;position:relative}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-deep);color:#D5E0DE;padding:72px 0 0;margin-top:96px}
.site-footer h4{color:#fff;font-size:15px;font-weight:600;letter-spacing:.04em;margin-bottom:18px}
.footer-brand b{display:block;font-size:17px;color:#fff;letter-spacing:.02em}
.footer-brand span{display:block;font-size:10.5px;letter-spacing:.2em;color:var(--c-mist);margin-top:6px}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.9;color:rgba(213,224,222,.78);max-width:300px}
.footer-links li{margin-bottom:12px;font-size:14px;color:rgba(213,224,222,.82)}
.footer-links a{color:rgba(213,224,222,.82)}
.footer-links a:hover{color:var(--c-amber);text-decoration:none}
.footer-bottom{
  margin-top:40px;padding:24px 0 32px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(213,224,222,.68);
}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1199px){
  h1{font-size:36px}
  .page-banner{padding:132px 0 68px}
  .data-item b{font-size:36px}
}
@media screen and (max-width:991px){
  .rl-container{padding:0 24px}
  .nav-shell{padding:8px 8px 8px 18px;gap:12px}
  .nav-toggle{display:grid}
  .nav-shell > .nav-cta{height:40px;padding:0 16px;font-size:13px}
  .nav-links{
    position:absolute;left:16px;right:16px;top:calc(100% + 10px);
    flex-direction:column;align-items:stretch;gap:4px;
    margin:0;padding:14px;
    background:rgba(255,255,255,.98);
    border:1px solid var(--c-line);
    border-radius:20px;
    box-shadow:0 24px 48px -28px rgba(22,33,31,.5);
    display:none;
  }
  .nav-links.is-open{display:flex}
  .nav-links a{height:46px;padding:0 16px;font-size:15px}
  .nav-shell{position:relative}
  .cat-body{padding:64px 0 76px}
  .anchor-nav{position:static;margin-bottom:36px}
  .anchor-nav ol{display:flex;flex-wrap:wrap;gap:8px}
  .anchor-nav li{margin:0}
  .anchor-nav a{padding:8px 14px;border:1px solid var(--c-line);border-radius:var(--r-pill);font-size:13.5px}
  .anchor-nav a::before{display:none}
  .anchor-nav a:hover{padding-left:14px}
  .anchor-nav .nav-note{display:none}
  .split{grid-template-columns:1fr;gap:24px}
  .plan-compare{grid-template-columns:1fr}
  .cta-bar{padding:40px 32px}
}
@media screen and (max-width:767px){
  body{font-size:16px}
  h1{font-size:30px}
  h2{font-size:24px}
  h3{font-size:18px}
  .section{padding:64px 0}
  .rl-container{padding:0 20px}
  .card-grid{grid-template-columns:1fr}
  .data-bar{grid-template-columns:repeat(2,minmax(0,1fr));padding:24px 6px;row-gap:26px}
  .data-item:nth-child(2){border-right:0}
  .data-item b{font-size:32px}
  .page-banner{padding:120px 0 56px;border-radius:0 0 20px 20px}
  .page-banner .lede{font-size:16.5px}
  .cat-body{padding:52px 0 64px}
  .sec{margin-bottom:56px}
  .cta-bar{border-radius:18px;padding:34px 24px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-bottom{flex-direction:column}
}
@media screen and (max-width:575px){
  .brand b{font-size:13.5px}
  .brand span{font-size:9px;letter-spacing:.14em}
  .nav-shell > .nav-cta{display:none}
  h1{font-size:26px}
  .banner-facts span{font-size:12.5px;padding:7px 12px}
  .data-bar{grid-template-columns:1fr}
  .data-item{border-right:0;border-bottom:1px solid var(--c-line);padding-bottom:20px}
  .data-item:last-child{border-bottom:0;padding-bottom:0}
  .svc-card{padding:22px}
}

/* roulang page: category2 */
:root{
  --primary:#1F5E5A;
  --primary-dark:#174844;
  --secondary:#6FA3A0;
  --accent:#D08B3F;
  --bg:#F6F4EF;
  --surface:#FFFFFF;
  --deep:#16302E;
  --ink:#16211F;
  --muted:#5F6E6B;
  --line:#E2DDD3;
  --r-card:16px;
  --r-img:14px;
  --r-pill:999px;
  --r-input:12px;
  --shadow-sm:0 1px 2px rgba(22,33,31,.04), 0 8px 24px -12px rgba(22,33,31,.12);
  --shadow-md:0 2px 6px rgba(22,33,31,.06), 0 18px 42px -18px rgba(22,33,31,.20);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  font-size:16.5px;
  line-height:1.9;
  letter-spacing:.01em;
}
h1,h2,h3,h4,h5,h6{
  font-family:inherit;
  color:var(--ink);
  font-weight:700;
  line-height:1.3;
  letter-spacing:0;
  margin:0;
}
h1{font-size:40px;}
h2{font-size:30px;}
h3{font-size:20px;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,background-color .2s ease;}
a:hover,a:focus{color:var(--accent);}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}
img{display:block;max-width:100%;height:auto;}
ul,ol{list-style:none;margin:0;padding:0;}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:16px;color:var(--ink);}
.rl-container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.section{padding:100px 0;}
.section--tint{background:var(--bg);}
.section--paper{background:var(--surface);}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:600;letter-spacing:.16em;
  color:var(--secondary);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);border-radius:2px;}
.section-head{max-width:760px;margin-bottom:52px;}
.section-head h2{margin-bottom:14px;}
.section-lead{font-size:16.5px;color:var(--muted);max-width:700px;line-height:1.95;}
/* ---------- 悬浮胶囊导航 ---------- */
.site-header{position:sticky;top:16px;z-index:80;padding:0 20px;}
.nav-shell{
  position:relative;
  max-width:1180px;margin:0 auto;
  display:flex;align-items:center;gap:20px;
  padding:10px 12px 10px 22px;
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border:1px solid var(--line);border-radius:var(--r-pill);
  box-shadow:var(--shadow-sm);
}
.brand{display:flex;flex-direction:column;line-height:1.12;text-decoration:none;flex:0 0 auto;}
.brand b{font-size:16.5px;font-weight:700;color:var(--primary);letter-spacing:.01em;}
.brand span{font-size:9.5px;letter-spacing:.24em;color:var(--muted);margin-top:3px;}
.brand:hover b{color:var(--accent);}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav-links a{
  display:inline-flex;align-items:center;
  padding:9px 14px;border-radius:var(--r-pill);
  font-size:13.5px;font-weight:500;color:#2A3B38;
  white-space:nowrap;
}
.nav-links a:hover{background:rgba(31,94,90,.08);color:var(--primary);}
.nav-links a.is-active{background:rgba(31,94,90,.11);color:var(--primary);font-weight:600;}
.nav-links .nav-cta{display:none;}
.nav-shell > .nav-cta,
.nav-links .nav-cta{
  padding:11px 20px;border-radius:var(--r-pill);
  background:var(--primary);color:#fff;font-size:13.5px;font-weight:600;
  border:1px solid var(--primary);transition:background-color .2s ease,transform .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.nav-shell > .nav-cta:hover,
.nav-links .nav-cta:hover{background:var(--primary-dark);border-color:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px -12px rgba(22,48,46,.7);}
.nav-shell > .nav-cta:active,
.nav-links .nav-cta:active{transform:translateY(0);}
.nav-toggle{
  display:none;width:44px;height:44px;margin-left:auto;
  align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:14px;background:#fff;
}
.nav-toggle i{position:relative;display:block;width:18px;height:2px;background:var(--primary);border-radius:2px;}
.nav-toggle i::before,.nav-toggle i::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--primary);border-radius:2px;}
.nav-toggle i::before{top:-6px;}
.nav-toggle i::after{top:6px;}
/* ---------- 面包屑 ---------- */
.crumb{padding:30px 0 4px;font-size:13px;color:var(--muted);}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--accent);}
.crumb .sep{margin:0 9px;color:#C6C0B4;}
.crumb .current{color:var(--ink);font-weight:500;}
/* ---------- 页面横幅 ---------- */
.page-hero{
  position:relative;margin-top:18px;
  border-radius:26px;overflow:hidden;
  background-color:var(--deep);
  background-image:linear-gradient(115deg,rgba(22,48,46,.94) 0%,rgba(22,48,46,.84) 46%,rgba(31,94,90,.62) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  color:#F4F7F6;
  padding:68px 0 58px;
}
.page-hero .rl-container{position:relative;z-index:2;}
.page-hero h1{color:#fff;max-width:860px;margin-bottom:18px;}
.page-hero .hero-lead{font-size:17.5px;line-height:1.9;color:rgba(255,255,255,.86);max-width:700px;margin-bottom:0;}
.hero-meta{display:flex;flex-wrap:wrap;gap:14px 26px;margin-top:26px;font-size:13.5px;color:rgba(255,255,255,.74);}
.hero-meta span{display:inline-flex;align-items:center;gap:8px;}
.hero-meta span::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--accent);transform:rotate(45deg);}
.tag-line{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px;}
.tag{
  display:inline-flex;align-items:center;
  padding:8px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.26);
  color:#EDF3F2;font-size:13px;letter-spacing:.02em;
  transition:background-color .2s ease,border-color .2s ease,transform .2s ease;
}
.tag:hover,.tag:focus{background:rgba(208,139,63,.24);border-color:var(--accent);color:#fff;transform:translateY(-2px);}
.tag.is-on{background:rgba(255,255,255,.22);border-color:rgba(255,255,255,.5);color:#fff;font-weight:600;}
/* ---------- 场景交替行 ---------- */
.scene-list{display:flex;flex-direction:column;gap:86px;}
.scene{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:52px;align-items:center;}
.scene.is-flip .scene-media{order:2;}
.scene-media{position:relative;}
.scene-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-img);border:1px solid var(--line);
  background:rgba(31,94,90,.08);
  box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease;
}
.scene:hover .scene-media img{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.scene-badge{
  position:absolute;left:16px;top:16px;
  padding:7px 15px;border-radius:var(--r-pill);
  background:rgba(22,48,46,.86);color:#fff;
  font-size:12.5px;letter-spacing:.06em;font-weight:500;
}
.scene-body h3{margin-bottom:12px;}
.scene-body h3 .idx{
  display:inline-block;margin-right:10px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--accent);vertical-align:2px;
}
.scene-desc{color:var(--muted);max-width:620px;margin-bottom:20px;}
.point-list{margin-bottom:24px;}
.point-list li{
  position:relative;padding-left:26px;margin-bottom:13px;
  color:#26352F;line-height:1.85;
}
.point-list li:last-child{margin-bottom:0;}
.point-list li::before{
  content:"";position:absolute;left:2px;top:.68em;
  width:8px;height:8px;border-radius:2px;
  background:var(--secondary);transform:rotate(45deg);
}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--primary);}
.link-arrow::after{content:"→";transition:transform .2s ease;}
.link-arrow:hover{color:var(--accent);}
.link-arrow:hover::after{transform:translateX(3px);}
/* ---------- 落地节奏时间线 ---------- */
.timeline{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;margin-top:8px;}
.step{
  position:relative;padding:34px 26px 30px;
  border-top:2px solid var(--line);
  transition:border-color .22s ease,transform .22s ease;
}
.step:hover{border-top-color:var(--primary);transform:translateY(-4px);}
.step .num{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:12px;
  background:rgba(31,94,90,.08);color:var(--primary);
  font-size:14px;font-weight:700;letter-spacing:.04em;margin-bottom:18px;
}
.step h3{font-size:18px;margin-bottom:10px;}
.step p{font-size:15px;color:var(--muted);line-height:1.85;margin:0;}
/* ---------- 迷你卡片 ---------- */
.mini-card{
  display:flex;flex-direction:column;height:100%;
  padding:28px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.mini-card:hover{transform:translateY(-4px);border-color:rgba(31,94,90,.28);box-shadow:var(--shadow-md);}
.mini-icon{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:12px;margin-bottom:18px;
  background:rgba(31,94,90,.09);color:var(--primary);
}
.mini-icon svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.mini-card h3{font-size:18.5px;margin-bottom:10px;}
.mini-card p{font-size:15px;color:var(--muted);line-height:1.85;margin-bottom:20px;}
.mini-card .link-arrow{margin-top:auto;}
/* ---------- CTA 横条 ---------- */
.cta-band{
  background:var(--deep);border-radius:26px;
  padding:52px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
  color:#F2F6F5;
}
.cta-band h2{color:#fff;font-size:26px;margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.76);font-size:15.5px;margin:0;max-width:640px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:background-color .2s ease,color .2s ease,transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary);}
.btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 14px 26px -14px rgba(22,48,46,.8);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--primary);border-color:var(--primary);}
.btn-ghost:hover{background:rgba(31,94,90,.08);color:var(--primary);}
.btn-onDark{background:transparent;color:#F2F6F5;border-color:rgba(255,255,255,.42);}
.btn-onDark:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}
/* ---------- 页脚 ---------- */
.site-footer{background:var(--deep);color:#C9D6D4;margin-top:100px;padding:72px 0 28px;}
.footer-brand b{display:block;font-size:18px;color:#fff;letter-spacing:.01em;}
.footer-brand span{display:block;font-size:10px;letter-spacing:.26em;color:rgba(255,255,255,.5);margin:6px 0 16px;}
.footer-brand p{font-size:14.5px;line-height:1.9;color:rgba(255,255,255,.7);margin:0;max-width:320px;}
.site-footer h4{font-size:14px;color:#fff;letter-spacing:.06em;margin-bottom:18px;font-weight:600;}
.footer-links li{font-size:14.5px;color:rgba(255,255,255,.72);margin-bottom:11px;line-height:1.6;}
.footer-links a{color:rgba(255,255,255,.78);}
.footer-links a:hover,.footer-links a:focus{color:var(--accent);}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  font-size:13px;color:rgba(255,255,255,.55);
}
/* ---------- 响应式 ---------- */
@media screen and (max-width:1199px){
  .scene{gap:40px;}
  .step{padding:30px 20px 26px;}
}
@media screen and (max-width:991px){
  h1{font-size:32px;}
  h2{font-size:25px;}
  .section{padding:78px 0;}
  .rl-container{padding:0 24px;}
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-shell > .nav-cta{padding:10px 16px;font-size:13px;}
  .nav-links.is-open{
    display:flex;flex-direction:column;align-items:stretch;gap:4px;
    position:absolute;left:0;right:0;top:calc(100% + 12px);
    padding:14px;background:#fff;border:1px solid var(--line);
    border-radius:22px;box-shadow:var(--shadow-md);
  }
  .nav-links.is-open a{padding:13px 14px;font-size:15px;}
  .nav-links.is-open .nav-cta{display:inline-flex;justify-content:center;margin-top:8px;padding:13px 18px;}
  .page-hero{padding:52px 0 46px;border-radius:22px;}
  .scene{grid-template-columns:1fr;gap:26px;}
  .scene.is-flip .scene-media{order:0;}
  .timeline{grid-template-columns:repeat(2,minmax(0,1fr));gap:0 8px;}
  .cta-band{padding:40px 30px;border-radius:22px;}
  .site-footer{margin-top:78px;padding:56px 0 24px;}
}
@media screen and (max-width:767px){
  .section{padding:62px 0;}
  .scene-list{gap:60px;}
  .timeline{grid-template-columns:1fr;}
  .step{padding:26px 4px;border-top:1px solid var(--line);}
  .step:first-child{border-top:2px solid var(--line);}
  .cta-band{padding:34px 24px;}
  .cta-band h2{font-size:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 100%;}
}
@media screen and (max-width:575px){
  h1{font-size:27px;}
  h2{font-size:22px;}
  h3{font-size:18px;}
  body{font-size:16px;}
  .rl-container{padding:0 20px;}
  .site-header{padding:0 14px;top:12px;}
  .nav-shell{padding:9px 10px 9px 16px;gap:12px;}
  .brand b{font-size:15px;}
  .nav-shell > .nav-cta{padding:9px 13px;font-size:12.5px;}
  .scene-media img{aspect-ratio:16/10;}
  .mini-card{padding:24px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

/* roulang page: category3 */
:root{
  --brand:#1F5E5A;
  --brand-dark:#174A46;
  --brand-soft:#6FA3A0;
  --amber:#D08B3F;
  --paper:#F6F4EF;
  --card:#FFFFFF;
  --deep:#16302E;
  --ink:#16211F;
  --muted:#5F6E6B;
  --line:#E2DDD3;
  --r-card:16px;
  --r-img:14px;
  --r-pill:999px;
  --shadow-sm:0 1px 2px rgba(22,33,31,.04), 0 8px 24px -12px rgba(22,33,31,.12);
  --shadow-md:0 2px 6px rgba(22,33,31,.06), 0 20px 44px -20px rgba(22,33,31,.26);
  --t:200ms cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  font-size:16px;line-height:1.9;letter-spacing:.01em;
  color:var(--ink);background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--amber);text-decoration:underline;text-underline-offset:3px}
h1,h2,h3,h4,h5,h6{font-family:inherit;font-weight:700;line-height:1.3;letter-spacing:0;color:var(--ink);margin:0 0 14px;text-rendering:optimizeLegibility}
h1{font-size:40px}
h2{font-size:30px}
h3{font-size:20px}
h4{font-size:16px}
p{margin:0 0 16px}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px}
.rl-container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.grid-x.grid-padding-x{margin-left:-12px;margin-right:-12px}
.grid-x.grid-padding-x>.cell{padding-left:12px;padding-right:12px}
.section{padding:88px 0}
.section--tight{padding:56px 0}
.section--paper{background:var(--paper)}
.section--white{background:#fff}
.section-head{margin-bottom:40px;max-width:720px}
.section-head h2{margin-bottom:12px}
.section-head p{color:var(--muted);font-size:16px;margin:0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--brand);margin-bottom:14px;text-transform:uppercase}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--brand-soft)}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:16px;z-index:60;padding:0 20px}
.nav-shell{
  max-width:1180px;margin:0 auto;display:flex;align-items:center;gap:10px;
  padding:10px 12px 10px 22px;
  background:rgba(255,255,255,.82);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border:1px solid var(--line);border-radius:var(--r-pill);
  box-shadow:0 10px 30px -20px rgba(22,33,31,.45);
  transition:box-shadow var(--t),border-color var(--t);
}
.nav-shell:hover{box-shadow:0 14px 34px -20px rgba(22,33,31,.5)}
.brand{display:flex;flex-direction:column;line-height:1.12;flex:0 0 auto}
.brand b{font-size:16px;font-weight:700;color:var(--brand);letter-spacing:0}
.brand span{font-size:9.5px;letter-spacing:.2em;color:var(--muted);margin-top:2px}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-links a{font-size:13.5px;font-weight:500;color:var(--ink);padding:10px 14px;border-radius:var(--r-pill);transition:background var(--t),color var(--t)}
.nav-links a:hover{color:var(--brand);background:rgba(31,94,90,.08);text-decoration:none}
.nav-links a.is-active{color:var(--brand);background:rgba(31,94,90,.11);font-weight:600}
.nav-links a.nav-cta{display:none}
.nav-shell>.nav-cta{
  flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
  height:44px;padding:0 22px;border-radius:var(--r-pill);
  background:var(--brand);color:#fff;font-size:14px;font-weight:600;
  transition:background var(--t),transform var(--t),box-shadow var(--t);
}
.nav-shell>.nav-cta:hover{background:var(--brand-dark);color:#fff;text-decoration:none;transform:translateY(-1px);box-shadow:0 10px 22px -12px rgba(31,94,90,.7)}
.nav-shell>.nav-cta:active{transform:translateY(0)}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:14px;
  background:#fff;align-items:center;justify-content:center;margin-left:auto;padding:0;
}
.nav-toggle i{position:relative;display:block;width:16px;height:2px;background:var(--brand);border-radius:2px;transition:background var(--t)}
.nav-toggle i::before,.nav-toggle i::after{content:"";position:absolute;left:0;width:16px;height:2px;background:var(--brand);border-radius:2px;transition:transform var(--t)}
.nav-toggle i::before{top:-5px}
.nav-toggle i::after{top:5px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  transition:background var(--t),color var(--t),transform var(--t),box-shadow var(--t),border-color var(--t);
}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark);color:#fff;text-decoration:none;transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover{background:rgba(31,94,90,.08);color:var(--brand);text-decoration:none}
.btn-ghost:active{background:rgba(31,94,90,.14)}
.btn-light{background:#fff;color:var(--brand)}
.btn-light:hover{background:#EFEDE6;color:var(--brand-dark);text-decoration:none;transform:translateY(-1px)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.5);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;text-decoration:none}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--brand)}
.link-arrow::after{content:"";width:14px;height:1.5px;background:currentColor;transition:transform var(--t)}
.link-arrow:hover{color:var(--amber);text-decoration:none}
.link-arrow:hover::after{transform:translateX(3px)}

/* ---------- 面包屑 ---------- */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:22px}
.crumbs a{color:rgba(255,255,255,.82)}
.crumbs a:hover{color:var(--amber);text-decoration:underline}
.crumbs .sep{width:1px;height:12px;background:rgba(255,255,255,.32);display:inline-block}
.crumbs .current{color:#fff;font-weight:600}

/* ---------- Hero ---------- */
.hero-wrap{max-width:1200px;margin:26px auto 0;padding:0 20px}
.page-hero{
  position:relative;overflow:hidden;border-radius:28px;
  padding:56px 48px 50px;
  background:
    linear-gradient(135deg,rgba(22,48,46,.94) 0%,rgba(31,94,90,.82) 58%,rgba(31,94,90,.7) 100%),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  color:#fff;box-shadow:var(--shadow-md);
}
.page-hero::after{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(111,163,160,.42),rgba(111,163,160,0) 70%);pointer-events:none;
}
.page-hero h1{color:#fff;font-size:40px;max-width:820px;margin-bottom:18px;position:relative;z-index:1}
.hero-sub{font-size:18px;line-height:1.8;color:rgba(255,255,255,.86);max-width:660px;margin:0 0 34px;position:relative;z-index:1}
.hero-stats{display:flex;flex-wrap:wrap;gap:0;position:relative;z-index:1;border-top:1px solid rgba(255,255,255,.2);padding-top:24px}
.hero-stats .hs-item{flex:1 1 200px;padding-right:28px;margin-right:28px;border-right:1px solid rgba(255,255,255,.16)}
.hero-stats .hs-item:last-child{border-right:0;margin-right:0;padding-right:0}
.hero-stats .hs-item b{display:block;font-size:24px;font-weight:700;color:#fff;line-height:1.3;letter-spacing:0}
.hero-stats .hs-item span{display:block;font-size:13.5px;color:rgba(255,255,255,.7);margin-top:4px}

/* ---------- 搜索条 ---------- */
.search-band{padding:34px 0 8px}
.search-panel{
  background:#fff;border:1px solid var(--line);border-radius:20px;
  padding:26px 28px;box-shadow:var(--shadow-sm);
}
.search-box{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.search-input{
  flex:1 1 320px;height:52px;border:1px solid var(--line);border-radius:12px;
  background:var(--paper);padding:0 18px 0 46px;font-size:15px;color:var(--ink);
  transition:border-color var(--t),background var(--t),box-shadow var(--t);
}
.search-field{position:relative;flex:1 1 320px}
.search-field::before{
  content:"";position:absolute;left:17px;top:50%;width:14px;height:14px;margin-top:-9px;
  border:1.6px solid var(--brand-soft);border-radius:50%;
}
.search-field::after{
  content:"";position:absolute;left:29px;top:50%;width:7px;height:1.6px;background:var(--brand-soft);
  transform:rotate(45deg);transform-origin:left center;margin-top:4px;
}
.search-input::placeholder{color:#9AA5A2}
.search-input:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(31,94,90,.12)}
.search-hint{font-size:13.5px;color:var(--muted);margin:18px 0 10px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:var(--r-pill);
  background:var(--paper);border:1px solid var(--line);font-size:13.5px;color:var(--muted);
  transition:all var(--t);
}
.tag:hover{color:var(--brand);border-color:rgba(31,94,90,.35);background:rgba(31,94,90,.06);text-decoration:none;transform:translateY(-1px)}

/* ---------- FAQ ---------- */
.faq-main{padding-top:52px}
.faq-group{margin-bottom:46px}
.faq-group:last-child{margin-bottom:0}
.group-head{display:flex;align-items:center;gap:14px;margin-bottom:20px}
.group-index{
  flex:0 0 40px;width:40px;height:40px;border-radius:12px;
  background:rgba(31,94,90,.09);border:1px solid rgba(31,94,90,.16);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;color:var(--brand);letter-spacing:.02em;
}
.group-head h2{font-size:24px;margin:0}
.group-note{font-size:14px;color:var(--muted);margin:0 0 18px;padding-left:54px}

.rl-acc{border:1px solid var(--line);border-radius:var(--r-card);background:#fff;overflow:hidden;box-shadow:var(--shadow-sm)}
.rl-acc .accordion-item{margin:0;border-bottom:1px solid var(--line);background:#fff}
.rl-acc .accordion-item:last-child{border-bottom:0}
.rl-acc .accordion-title{
  display:block;position:relative;padding:20px 66px 20px 24px;
  font-size:16px;font-weight:600;line-height:1.6;color:var(--ink);
  background:#fff;border:0;min-height:64px;letter-spacing:0;
  transition:background var(--t),color var(--t);
}
.rl-acc .accordion-title:hover{background:#FBFAF6;color:var(--brand);text-decoration:none}
.rl-acc .accordion-title::before,
.rl-acc .accordion-title::after{
  content:"";position:absolute;right:26px;top:50%;width:13px;height:2px;
  background:var(--brand);border-radius:2px;margin:0;
}
.rl-acc .accordion-title::before{transform:translateY(-50%)}
.rl-acc .accordion-title::after{transform:translateY(-50%) rotate(90deg);transition:transform var(--t),opacity var(--t)}
.rl-acc .accordion-item.is-active .accordion-title{color:var(--brand);background:#fff}
.rl-acc .accordion-item.is-active .accordion-title::before{background:var(--amber)}
.rl-acc .accordion-item.is-active .accordion-title::after{transform:translateY(-50%) rotate(0deg);opacity:0}
.rl-acc .accordion-content{padding:0 26px 24px;background:var(--paper);border-top:1px solid var(--line)}
.rl-acc .accordion-content p{margin:18px 0 0;font-size:15.5px;line-height:1.95;color:var(--muted)}
.rl-acc .accordion-content p:first-child{margin-top:20px}
.rl-acc .accordion-content strong{color:var(--ink)}

/* ---------- 侧栏 ---------- */
.side-stack{display:flex;flex-direction:column;gap:20px;padding-top:52px}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--shadow-sm);transition:border-color var(--t),box-shadow var(--t);
}
.side-card:hover{border-color:rgba(31,94,90,.3);box-shadow:var(--shadow-md)}
.side-card h3{font-size:18px;margin-bottom:14px}
.side-card p{font-size:14.5px;color:var(--muted);line-height:1.85}
.contact-card{background:var(--deep);border-color:transparent;color:rgba(255,255,255,.8)}
.contact-card h3{color:#fff}
.contact-card p{color:rgba(255,255,255,.72)}
.contact-card .btn{margin-top:16px;width:100%}
.contact-list{margin:4px 0 0}
.contact-list li{font-size:14.5px;color:rgba(255,255,255,.82);padding:9px 0;border-bottom:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:12px}
.contact-list li:last-child{border-bottom:0}
.contact-list li span{color:rgba(255,255,255,.55)}
.sla-list li{display:flex;justify-content:space-between;gap:14px;font-size:14.5px;color:var(--muted);padding:11px 0;border-bottom:1px dashed var(--line)}
.sla-list li:last-child{border-bottom:0;padding-bottom:0}
.sla-list li b{color:var(--brand);font-weight:700;white-space:nowrap}
.term-dl dt{font-size:14.5px;font-weight:700;color:var(--ink);margin-top:14px;display:flex;align-items:center;gap:8px}
.term-dl dt::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--amber);flex:0 0 6px}
.term-dl dd{margin:6px 0 0;font-size:14px;color:var(--muted);line-height:1.8;padding-left:14px}

/* ---------- 资源 ---------- */
.resource-row{display:flex;align-items:center;gap:24px;flex-wrap:wrap}
.resource-figure{border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);background:rgba(31,94,90,.08);box-shadow:var(--shadow-sm)}
.resource-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform 400ms ease}
.resource-figure:hover img{transform:scale(1.03)}
.res-list li{border-top:1px solid var(--line);padding:20px 0}
.res-list li:first-child{border-top:0;padding-top:0}
.res-list h3{font-size:17px;margin-bottom:6px}
.res-list p{font-size:14.5px;color:var(--muted);margin:0 0 10px}

/* ---------- CTA ---------- */
.cta-band{
  background:linear-gradient(120deg,rgba(22,48,46,.98),rgba(31,94,90,.9)),
             url('/assets/images/backpic/back-5.webp') center/cover no-repeat;
  border-radius:24px;padding:52px 48px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:var(--shadow-md);
}
.cta-band h2{color:#fff;font-size:28px;margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.82);margin:0;max-width:620px;font-size:15.5px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--deep);color:rgba(255,255,255,.78);margin-top:96px;padding:72px 0 28px}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:18px;font-weight:600}
.footer-brand b{display:block;color:#fff;font-size:19px;letter-spacing:0}
.footer-brand span{display:block;font-size:10px;letter-spacing:.18em;color:rgba(255,255,255,.45);margin-top:6px}
.footer-brand p{margin:16px 0 0;font-size:14px;line-height:1.85;color:rgba(255,255,255,.66)}
.footer-links li{font-size:14px;margin-bottom:11px;color:rgba(255,255,255,.7)}
.footer-links a{color:rgba(255,255,255,.8)}
.footer-links a:hover{color:var(--amber);text-decoration:underline}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);margin-top:36px;padding-top:22px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 断点 ---------- */
@media (max-width:1199px){
  .page-hero h1{font-size:36px}
  .nav-links a{padding:10px 11px;font-size:13px}
}
@media (max-width:991px){
  .rl-container{padding:0 24px}
  .site-header{top:10px}
  .nav-shell{flex-wrap:wrap;border-radius:24px;padding:12px 16px;gap:6px}
  .nav-toggle{display:inline-flex}
  .nav-shell>.nav-cta{display:none}
  .nav-links{display:none;order:3;width:100%;flex-direction:column;align-items:stretch;margin:8px 0 0;gap:2px}
  .nav-links.is-open{display:flex}
  .nav-links a{padding:13px 14px;border-radius:12px;font-size:14.5px}
  .nav-links a.nav-cta{display:flex;justify-content:center;background:var(--brand);color:#fff;margin-top:10px}
  .nav-links a.nav-cta:hover{background:var(--brand-dark);color:#fff}
  .hero-wrap{padding:0 16px;margin-top:18px}
  .page-hero{padding:44px 30px 38px;border-radius:22px}
  .page-hero h1{font-size:30px}
  .hero-sub{font-size:16.5px;margin-bottom:26px}
  .hero-stats .hs-item{flex:1 1 100%;border-right:0;border-bottom:1px solid rgba(255,255,255,.14);margin:0 0 14px;padding:0 0 14px}
  .hero-stats .hs-item:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0}
  .section{padding:64px 0}
  .side-stack{padding-top:36px}
  .cta-band{padding:40px 30px}
  .cta-band h2{font-size:24px}
}
@media (max-width:767px){
  body{font-size:15.5px;line-height:1.85}
  h1{font-size:28px}
  h2{font-size:24px}
  h3{font-size:18px}
  .rl-container{padding:0 20px}
  .page-hero h1{font-size:26px}
  .page-hero{padding:36px 22px 32px}
  .hero-stats .hs-item b{font-size:21px}
  .section{padding:56px 0}
  .section--tight{padding:44px 0}
  .search-panel{padding:20px}
  .side-card{padding:22px}
  .rl-acc .accordion-title{padding:18px 56px 18px 18px;font-size:15.5px}
  .rl-acc .accordion-title::before,.rl-acc .accordion-title::after{right:20px}
  .rl-acc .accordion-content{padding:0 20px 20px}
  .cta-band{padding:32px 22px;border-radius:20px}
  .cta-band h2{font-size:22px}
  .footer-bottom{flex-direction:column}
}
@media (max-width:575px){
  .brand b{font-size:14.5px}
  .btn{width:100%;height:46px}
  .search-box .btn{width:100%}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
}
@media (min-width:992px){
  .side-stack{position:sticky;top:96px}
}