/* roulang page: index */
:root{
  --pri:#125C8C;
  --pri-d:#0E4A71;
  --pri-05:rgba(18,92,140,.05);
  --pri-08:rgba(18,92,140,.08);
  --pri-20:rgba(18,92,140,.2);
  --sec:#4E9A8F;
  --sec-10:rgba(78,154,143,.12);
  --amber:#D08A2C;
  --bg:#F6F9FB;
  --soft:#EEF4F7;
  --card:#FFFFFF;
  --ink:#0F2534;
  --ink2:#5B7284;
  --ink3:#8A9AA8;
  --line:#E1EAF0;
  --r-card:16px;
  --r-img:16px;
  --r-btn:10px;
  --r-dock:20px;
  --sh-1:0 2px 8px rgba(12,52,84,.05);
  --sh-2:0 10px 28px rgba(12,52,84,.08);
  --sh-3:0 18px 44px rgba(12,52,84,.12);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --bs-primary:#125C8C;
  --bs-primary-rgb:18,92,140;
  --bs-body-font-family:var(--font);
  --bs-body-color:#0F2534;
  --bs-body-bg:#F6F9FB;
  --bs-border-radius:16px;
  --bs-border-color:#E1EAF0;
  --bs-link-color:#125C8C;
  --bs-link-hover-color:#0E4A71;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  padding-top:104px;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:var(--pri);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--pri-d);text-decoration:underline;text-underline-offset:3px;}
button,input{font:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-0.01em;font-weight:700;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--pri);outline-offset:2px;border-radius:4px;}
.container,.container-fluid{
  max-width:1200px;
  padding-left:24px;
  padding-right:24px;
  margin:0 auto;
}
@media (max-width:575.98px){
  .container,.container-fluid{padding-left:20px;padding-right:20px;}
}

/* ============ Dock 导航 ============ */
.site-header{
  position:fixed;
  top:16px;
  left:0;
  right:0;
  z-index:1040;
  display:flex;
  justify-content:center;
  pointer-events:none;
}
.dock{
  pointer-events:auto;
  position:relative;
  width:min(1180px,calc(100% - 32px));
  display:flex;
  align-items:center;
  gap:20px;
  padding:10px 14px 10px 20px;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border:1px solid var(--line);
  border-radius:var(--r-dock);
  box-shadow:var(--sh-2);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled .dock{
  background:rgba(255,255,255,.96);
  box-shadow:var(--sh-3);
}
.brand{display:flex;flex-direction:column;line-height:1.15;flex:0 0 auto;}
.brand-top{
  font-size:12px;
  letter-spacing:2px;
  color:var(--ink3);
  font-weight:500;
}
.brand-main{
  font-size:21px;
  font-weight:700;
  color:var(--ink);
  letter-spacing:.2px;
}
.brand:hover{text-decoration:none;}
.brand:hover .brand-main{color:var(--pri);}
.nav-menu{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:8px;
  flex:1 1 auto;
}
.nav-link{
  position:relative;
  padding:9px 14px;
  font-size:15px;
  font-weight:500;
  color:var(--ink2);
  border-radius:10px;
  white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--pri);background:var(--pri-05);text-decoration:none;}
.nav-link.is-active{color:var(--pri);font-weight:600;}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:2px;border-radius:2px;background:var(--pri);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.search-wrap{position:relative;display:flex;align-items:center;}
.search-btn{
  width:38px;height:38px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink2);
  border-radius:10px;
  cursor:pointer;
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.search-btn:hover{color:var(--pri);border-color:var(--pri-20);background:var(--pri-05);}
.search-panel{
  position:absolute;
  top:calc(100% + 12px);
  right:0;
  width:280px;
  padding:10px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  box-shadow:var(--sh-2);
  display:none;
}
.search-panel.is-open{display:block;}
.search-panel input{
  width:100%;
  height:42px;
  padding:0 12px;
  border:1px solid #DCE6EE;
  border-radius:10px;
  background:#fff;
  color:var(--ink);
}
.search-panel input:focus{outline:none;border-color:var(--pri);box-shadow:0 0 0 3px var(--pri-20);}
.nav-cta{
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 18px;
  font-size:15px;
  font-weight:600;
  color:var(--pri);
  background:#fff;
  border:1px solid var(--pri-20);
  border-radius:10px;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.nav-cta:hover{background:var(--pri);color:#fff;text-decoration:none;transform:translateY(-1px);}
.nav-toggle{
  display:none;
  width:40px;height:40px;
  border:1px solid var(--line);
  background:#fff;
  border-radius:10px;
  cursor:pointer;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:4px;
  padding:0;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink2);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

@media (max-width:991.98px){
  body{padding-top:96px;}
  .dock{padding:10px 12px 10px 16px;gap:12px;}
  .nav-toggle{display:inline-flex;order:3;}
  .nav-menu{
    order:4;
    position:absolute;
    top:calc(100% + 12px);
    left:0;right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    margin:0;
    padding:12px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:16px;
    box-shadow:var(--sh-2);
  }
  .nav-menu.is-open{display:flex;}
  .nav-link{padding:11px 12px;border-radius:10px;}
  .nav-link.is-active::after{display:none;}
  .nav-link.is-active{background:var(--pri-05);}
  .nav-actions{margin-left:auto;}
  .nav-cta{display:none;}
}
@media (max-width:575.98px){
  .brand-main{font-size:18px;}
  .brand-top{font-size:11px;letter-spacing:1.4px;}
  .search-panel{width:min(280px,calc(100vw - 56px));}
}

/* ============ 通用板块 ============ */
.section{padding:88px 0;}
.section--soft{background:var(--soft);}
.section--tight{padding:64px 0;}
@media (max-width:991.98px){.section{padding:64px 0;}}
@media (max-width:767.98px){.section{padding:56px 0;} .section--tight{padding:48px 0;}}

.sec-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
}
.sec-title{
  position:relative;
  padding-left:16px;
  font-size:clamp(22px,2.4vw,28px);
  font-weight:600;
  line-height:1.35;
}
.sec-title::before{
  content:"";
  position:absolute;
  left:0;top:.24em;
  width:4px;height:.72em;
  border-radius:2px;
  background:var(--pri);
}
.sec-sub{
  margin-top:10px;
  padding-left:16px;
  font-size:14px;
  color:var(--ink2);
  line-height:1.7;
}
.sec-link{
  font-size:14.5px;
  font-weight:600;
  white-space:nowrap;
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.sec-link .arw{transition:transform .2s ease;}
.sec-link:hover .arw{transform:translateX(4px);}
@media (max-width:767.98px){
  .sec-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px;}
}

/* ============ 按钮 ============ */
.btn-brand{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  font-size:15.5px;
  font-weight:600;
  color:#fff;
  background:var(--pri);
  border:1px solid var(--pri);
  border-radius:var(--r-btn);
  box-shadow:0 6px 16px rgba(18,92,140,.18);
  transition:background .22s ease,transform .22s ease,box-shadow .22s ease;
}
.btn-brand:hover{
  color:#fff;
  background:var(--pri-d);
  border-color:var(--pri-d);
  transform:translateY(-1px);
  box-shadow:0 10px 22px rgba(18,92,140,.24);
  text-decoration:none;
}
.btn-brand:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:48px;
  padding:0 22px;
  font-size:15.5px;
  font-weight:600;
  color:var(--pri);
  background:transparent;
  border:1px solid var(--pri-20);
  border-radius:var(--r-btn);
  transition:background .22s ease,border-color .22s ease;
}
.btn-ghost:hover{background:var(--pri-05);border-color:var(--pri);text-decoration:none;}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
}
.link-more .arw{transition:transform .2s ease;}
.link-more:hover .arw{transform:translateX(4px);}
@media (max-width:767.98px){
  .btn-brand,.btn-ghost{width:100%;}
}

/* ============ Hero ============ */
.hero{padding:56px 0 88px;}
.hero-grid{
  display:grid;
  grid-template-columns:6fr 5fr;
  gap:48px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 12px;
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.6px;
  color:var(--sec);
  background:var(--sec-10);
  border-radius:999px;
  margin-bottom:20px;
}
.hero-title{
  font-size:clamp(30px,4vw,46px);
  line-height:1.25;
  font-weight:700;
  max-width:14em;
}
.hero-sub{
  margin-top:18px;
  font-size:17px;
  line-height:1.8;
  color:var(--ink2);
  max-width:32em;
}
.hero-actions{
  margin-top:32px;
  display:flex;
  align-items:center;
  gap:20px;
  flex-wrap:wrap;
}
.hero-points{
  margin-top:34px;
  display:flex;
  flex-wrap:wrap;
  gap:10px 22px;
  font-size:14px;
  color:var(--ink2);
}
.hero-points span{display:inline-flex;align-items:center;gap:8px;}
.hero-points span::before{
  content:"";
  width:6px;height:6px;
  background:var(--sec);
  border-radius:2px;
  flex:0 0 auto;
}
.hero-media{position:relative;}
.hero-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:20px;
  border:1px solid var(--line);
  box-shadow:var(--sh-2);
}
.float-card{
  position:absolute;
  left:-24px;
  bottom:-26px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  box-shadow:var(--sh-2);
  padding:16px 20px;
  min-width:196px;
}
.float-card .fc-num{
  font-size:22px;
  font-weight:700;
  color:var(--pri);
  line-height:1.2;
}
.float-card .fc-label{
  margin-top:4px;
  font-size:12.5px;
  color:var(--ink3);
  letter-spacing:.4px;
}
@media (max-width:991.98px){
  .hero{padding:36px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-title{max-width:none;}
  .float-card{left:16px;bottom:-20px;}
}
@media (max-width:575.98px){
  .hero-actions{gap:14px;}
  .float-card{padding:12px 16px;min-width:170px;}
}

/* ============ 品牌理念 ============ */
.philo-grid{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:56px;
  align-items:center;
}
.philo-media img{
  width:100%;
  aspect-ratio:4/5;
  object-fit:cover;
  border-radius:18px;
  border:1px solid var(--line);
}
.philo-body h2{
  font-size:clamp(22px,2.4vw,28px);
  font-weight:600;
  line-height:1.4;
}
.philo-body p{
  margin-top:20px;
  color:var(--ink2);
  line-height:1.85;
}
.philo-list{margin-top:32px;}
.philo-item{
  display:flex;
  gap:16px;
  padding:18px 0;
  border-top:1px solid var(--line);
}
.philo-item:last-child{border-bottom:1px solid var(--line);}
.philo-ico{
  flex:0 0 auto;
  width:26px;height:26px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:8px;
  background:var(--pri-08);
  color:var(--pri);
  font-size:13px;
  font-weight:700;
}
.philo-item h3{font-size:16px;font-weight:600;}
.philo-item p{margin-top:6px;font-size:14.5px;color:var(--ink2);line-height:1.75;}
@media (max-width:991.98px){
  .philo-grid{grid-template-columns:1fr;gap:32px;}
  .philo-media img{aspect-ratio:16/10;}
}

/* ============ 精选内容 ============ */
.feature-grid{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:24px;
  align-items:stretch;
}
.fcard{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:box-shadow .22s ease,transform .22s ease;
}
.fcard:hover{box-shadow:var(--sh-2);transform:translateY(-3px);text-decoration:none;}
.fcard-main .fcard-img img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
}
.fcard-body{padding:24px;}
.badge-cat{
  display:inline-block;
  padding:3px 9px;
  font-size:12px;
  font-weight:600;
  color:var(--pri);
  background:var(--pri-08);
  border-radius:6px;
}
.fcard-main h3{
  margin-top:14px;
  font-size:22px;
  font-weight:600;
  line-height:1.45;
}
.fcard-main p{
  margin-top:12px;
  font-size:15px;
  color:var(--ink2);
  line-height:1.8;
}
.fcard-foot{
  margin-top:auto;
  padding-top:18px;
  display:flex;
  align-items:center;
  justify-content:flex-end;
  gap:8px;
  color:var(--pri);
  font-size:14.5px;
  font-weight:600;
}
.fcard-mini{
  flex-direction:row;
  align-items:stretch;
}
.fcard-mini .fcard-thumb{flex:0 0 40%;overflow:hidden;}
.fcard-mini .fcard-thumb img{
  width:100%;height:100%;
  min-height:150px;
  object-fit:cover;
}
.fcard-mini .fcard-body{
  flex:1 1 auto;
  padding:20px;
  display:flex;
  flex-direction:column;
}
.fcard-mini h3{
  margin-top:12px;
  font-size:17px;
  font-weight:600;
  line-height:1.5;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.fcard-mini p{
  margin-top:8px;
  font-size:14px;
  color:var(--ink2);
  line-height:1.7;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.mini-stack{display:grid;grid-template-rows:1fr 1fr;gap:24px;}
@media (max-width:991.98px){
  .feature-grid{grid-template-columns:1fr;}
}
@media (max-width:575.98px){
  .fcard-mini{flex-direction:column;}
  .fcard-mini .fcard-thumb{flex:none;}
  .fcard-mini .fcard-thumb img{min-height:0;aspect-ratio:16/9;}
}

/* ============ 数据与资质 ============ */
.stats{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:8px 0;
}
.stat{
  padding:26px 20px;
  text-align:center;
  position:relative;
}
.stat + .stat::before{
  content:"";
  position:absolute;
  left:0;top:24%;
  width:1px;height:52%;
  background:var(--line);
}
.stat-num{
  font-size:32px;
  font-weight:700;
  color:var(--pri);
  line-height:1.2;
  letter-spacing:-0.02em;
}
.stat-label{
  margin-top:8px;
  font-size:12.5px;
  letter-spacing:.4px;
  color:var(--ink3);
}
.logos{
  margin-top:28px;
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:14px 32px;
  padding:20px 24px;
  border:1px dashed var(--line);
  border-radius:14px;
}
.logos span{
  font-size:13.5px;
  letter-spacing:.6px;
  color:var(--ink2);
  opacity:.6;
  transition:opacity .22s ease,color .22s ease;
}
.logos span:hover{opacity:1;color:var(--pri);}
@media (max-width:767.98px){
  .stats{grid-template-columns:repeat(2,1fr);}
  .stat + .stat::before{display:none;}
  .stat:nth-child(n+3){border-top:1px solid var(--line);}
}

/* ============ 最新信息（CMS 列表） ============ */
.news-card{
  display:flex;
  flex-direction:column;
  height:100%;
  padding:22px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  color:inherit;
  transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.news-card:hover{
  box-shadow:var(--sh-2);
  transform:translateY(-3px);
  border-color:var(--pri-20);
  text-decoration:none;
  color:inherit;
}
.news-card__title{
  margin-top:14px;
  font-size:17px;
  font-weight:600;
  line-height:1.55;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-card__desc{
  margin-top:10px;
  font-size:14px;
  color:var(--ink2);
  line-height:1.75;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-card__foot{
  margin-top:auto;
  padding-top:16px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--ink3);
  font-variant-numeric:tabular-nums;
}
.news-card__arrow{color:var(--pri);font-size:15px;transition:transform .2s ease;}
.news-card:hover .news-card__arrow{transform:translateX(4px);}
.empty-state{
  padding:56px 24px;
  text-align:center;
  background:#fff;
  border:1px dashed var(--line);
  border-radius:var(--r-card);
}
.empty-state svg{margin:0 auto 14px;color:var(--ink3);}
.empty-state p{font-size:14.5px;color:var(--ink2);}
.empty-state a{display:inline-block;margin-top:12px;font-size:14px;font-weight:600;}

/* ============ FAQ ============ */
.faq-wrap{max-width:960px;}
.faq-acc{border-radius:0;background:transparent;}
.faq-acc .accordion-item{
  background:transparent;
  border:0;
  border-top:1px solid var(--line);
  border-radius:0;
}
.faq-acc .accordion-item:last-child{border-bottom:1px solid var(--line);}
.faq-acc .accordion-header{margin:0;}
.faq-acc .accordion-button{
  position:relative;
  background:transparent;
  box-shadow:none;
  padding:22px 48px 22px 0;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  border-radius:0;
}
.faq-acc .accordion-button::before{
  content:"";
  position:absolute;
  left:0;top:26px;
  width:3px;height:0;
  border-radius:2px;
  background:var(--pri);
  transition:height .22s ease;
}
.faq-acc .accordion-button:not(.collapsed){
  color:var(--pri);
  background:transparent;
  box-shadow:none;
}
.faq-acc .accordion-button:not(.collapsed)::before{height:20px;}
.faq-acc .accordion-button::after{
  content:"+";
  background-image:none;
  width:26px;height:26px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:18px;
  font-weight:600;
  color:var(--pri);
  border:1px solid var(--line);
  border-radius:8px;
  transition:transform .22s ease,color .22s ease,border-color .22s ease;
}
.faq-acc .accordion-button:not(.collapsed)::after{
  content:"−";
  transform:rotate(180deg);
  border-color:var(--pri-20);
}
.faq-acc .accordion-button:focus{box-shadow:none;outline:2px solid var(--pri);outline-offset:2px;}
.faq-acc .accordion-body{
  padding:0 48px 24px 16px;
  font-size:15px;
  line-height:1.85;
  color:var(--ink2);
  background:transparent;
}

/* ============ 咨询 CTA ============ */
.cta-band{
  background:var(--pri-05);
  border:1px solid var(--pri-20);
  border-radius:20px;
  padding:44px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:40px;
  align-items:center;
}
.cta-band h2{
  font-size:clamp(21px,2.2vw,26px);
  font-weight:600;
  line-height:1.45;
}
.cta-band p{
  margin-top:12px;
  font-size:14.5px;
  color:var(--ink2);
  line-height:1.8;
}
.cta-form{display:grid;gap:14px;}
.field label{
  display:block;
  margin-bottom:6px;
  font-size:13px;
  color:var(--ink2);
}
.field-row{display:flex;gap:10px;}
.field input{
  width:100%;
  height:46px;
  padding:0 14px;
  background:#fff;
  border:1px solid #DCE6EE;
  border-radius:var(--r-btn);
  color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input::placeholder{color:var(--ink3);}
.field input:focus{
  outline:none;
  border-color:var(--pri);
  box-shadow:0 0 0 3px var(--pri-20);
}
.field-row .btn-brand{flex:0 0 auto;height:46px;padding:0 22px;}
.form-note{font-size:12.5px;color:var(--ink3);}
@media (max-width:991.98px){
  .cta-band{grid-template-columns:1fr;padding:32px;gap:26px;}
}
@media (max-width:575.98px){
  .field-row{flex-direction:column;}
  .field-row .btn-brand{width:100%;}
}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:88px;
  background:#102A38;
  border-top:2px solid var(--pri);
  color:#C6D4DC;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
  padding:64px 0 44px;
}
.fcol h4{
  font-size:13px;
  letter-spacing:1px;
  font-weight:600;
  color:#FFFFFF;
  margin-bottom:16px;
}
.fcol p{font-size:14px;line-height:1.8;color:#C6D4DC;}
.footer-logo{
  font-size:20px;
  font-weight:700;
  color:#fff;
  letter-spacing:.3px;
  margin-bottom:14px;
}
.fcol ul{display:grid;gap:10px;}
.fcol a{
  font-size:14px;
  color:#C6D4DC;
  transition:color .2s ease;
}
.fcol a:hover{
  color:#fff;
  text-decoration:underline;
  text-underline-offset:4px;
  text-decoration-thickness:2px;
}
.fcol li span{font-size:14px;color:#C6D4DC;line-height:1.7;display:block;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0 28px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  font-size:13px;
  color:#8FA6B2;
  flex-wrap:wrap;
}
.back-top{color:#C6D4DC;font-size:13px;}
.back-top:hover{color:#fff;}
@media (max-width:991.98px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 32px;}
}
@media (max-width:575.98px){
  .footer-grid{grid-template-columns:1fr;}
}

/* ============ 入场动画 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s ease,transform .4s ease;}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
:root{
  --c-primary:#125C8C;
  --c-primary-dark:#0E4A70;
  --c-primary-soft:rgba(18,92,140,.08);
  --c-primary-line:rgba(18,92,140,.2);
  --c-accent:#4E9A8F;
  --c-accent-soft:rgba(78,154,143,.1);
  --c-amber:#D08A2C;
  --bg:#F6F9FB;
  --bg-soft:#EEF4F7;
  --surface:#FFFFFF;
  --text:#0F2534;
  --muted:#5B7284;
  --faint:#8A9AA8;
  --line:#E1EAF0;
  --line-strong:#DCE6EE;
  --footer-bg:#102A38;
  --footer-text:#C6D4DC;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --r-dock:20px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(12,52,84,.05);
  --sh-2:0 10px 28px rgba(12,52,84,.08);
  --sh-3:0 18px 44px rgba(12,52,84,.12);
  --sec:88px;
  --container:1200px;
  --bs-primary:#125C8C;
  --bs-primary-rgb:18,92,140;
  --bs-body-bg:#F6F9FB;
  --bs-body-color:#0F2534;
  --bs-border-color:#E1EAF0;
  --bs-border-radius:16px;
  --bs-link-color:#125C8C;
  --bs-link-hover-color:#0E4A70;
  --bs-font-sans-serif:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding-top:104px;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16.5px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-primary-dark)}
h1,h2,h3,h4{margin:0;color:var(--text);letter-spacing:-.01em;font-weight:600}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button,input{font-family:inherit}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding-left:24px;padding-right:24px}
.btn{border-radius:var(--r-btn);font-weight:600}
.btn-primary{
  --bs-btn-bg:#125C8C;--bs-btn-border-color:#125C8C;--bs-btn-hover-bg:#0E4A70;--bs-btn-hover-border-color:#0E4A70;
  --bs-btn-active-bg:#0E4A70;--bs-btn-active-border-color:#0E4A70;--bs-btn-focus-shadow-rgb:18,92,140;
}

/* ============ 浮动 Dock 导航 ============ */
.site-header{position:relative;z-index:1030}
.dock{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  width:min(1180px,calc(100% - 32px));
  display:flex;align-items:center;gap:20px;
  padding:9px 16px 9px 20px;
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid var(--line);
  border-radius:var(--r-dock);
  box-shadow:var(--sh-2);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled .dock{background:rgba(255,255,255,.96);box-shadow:var(--sh-3)}
.brand{display:flex;flex-direction:column;line-height:1.15;flex:none}
.brand-top{font-size:11px;letter-spacing:2px;color:var(--faint)}
.brand-main{font-size:21px;font-weight:700;letter-spacing:.4px;color:var(--text)}
.brand:hover .brand-main{color:var(--c-primary)}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{position:relative;padding:8px 14px;font-size:15px;color:var(--muted);border-radius:8px;transition:.2s ease}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-soft)}
.nav-link.is-active{color:var(--c-primary);font-weight:600}
.nav-link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:1px;height:2px;border-radius:2px;background:var(--c-primary)}
.nav-actions{display:flex;align-items:center;gap:10px;flex:none}
.search-wrap{position:relative}
.search-btn{
  width:38px;height:38px;display:grid;place-items:center;cursor:pointer;
  background:#fff;border:1px solid var(--line);border-radius:10px;color:var(--muted);transition:.2s ease;
}
.search-btn:hover{color:var(--c-primary);border-color:#C9DBE7;background:#FBFDFE}
.search-panel{
  position:absolute;top:calc(100% + 10px);right:0;width:264px;padding:8px;
  background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--sh-2);
  opacity:0;visibility:hidden;transform:translateY(-6px);transition:.2s ease;
}
.search-panel.is-open{opacity:1;visibility:visible;transform:none}
.search-panel input{width:100%;height:40px;padding:0 12px;font-size:14px;color:var(--text);background:#FBFDFE;border:1px solid var(--line-strong);border-radius:8px}
.search-panel input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px var(--c-primary-soft)}
.nav-cta{
  display:inline-flex;align-items:center;height:38px;padding:0 18px;
  font-size:14px;font-weight:600;color:#fff;background:var(--c-primary);
  border-radius:10px;transition:.2s ease;
}
.nav-cta:hover{color:#fff;background:var(--c-primary-dark);transform:translateY(-1px);box-shadow:var(--sh-2)}
.nav-toggle{
  display:none;width:40px;height:38px;padding:0 9px;background:#fff;border:1px solid var(--line);
  border-radius:10px;cursor:pointer;flex-direction:column;justify-content:center;gap:4px;
}
.nav-toggle span{display:block;height:2px;background:var(--muted);border-radius:2px;transition:.2s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ============ 通用板块 ============ */
.section{padding:var(--sec) 0}
.section--tight{padding:56px 0}
.section--soft{background:var(--bg-soft)}
.section-head{max-width:720px;margin-bottom:44px}
.section-eyebrow{display:inline-block;font-size:12px;font-weight:600;letter-spacing:1.5px;color:var(--c-accent);margin-bottom:12px}
.section-title{font-size:clamp(24px,2.4vw,30px);line-height:1.35}
.section-sub{margin-top:12px;font-size:16px;color:var(--muted)}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);padding-top:24px}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--c-primary)}
.crumb .sep{color:#B9C7D2}
.crumb .current{color:var(--c-primary);font-weight:600}

/* ============ 分类页 Hero ============ */
.page-hero{padding:40px 0 0}
.hero-grid{display:grid;grid-template-columns:6fr 5fr;gap:56px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;margin-bottom:20px;
  font-size:12.5px;font-weight:600;letter-spacing:.6px;color:var(--c-primary);
  background:var(--c-primary-soft);border-radius:var(--r-pill);
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent)}
.page-hero h1{font-size:clamp(30px,4vw,46px);line-height:1.25;font-weight:700;max-width:22ch}
.lede{margin-top:18px;font-size:17px;line-height:1.8;color:var(--muted);max-width:46ch}
.hero-actions{display:flex;align-items:center;gap:22px;margin-top:30px;flex-wrap:wrap}
.btn-solid{
  display:inline-flex;align-items:center;gap:8px;padding:13px 26px;font-size:15px;font-weight:600;
  color:#fff;background:var(--c-primary);border:1px solid var(--c-primary);border-radius:var(--r-btn);
  transition:background .22s ease,box-shadow .22s ease,transform .22s ease;
}
.btn-solid:hover{color:#fff;background:var(--c-primary-dark);box-shadow:var(--sh-2);transform:translateY(-1px)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--c-primary)}
.link-arrow span{transition:transform .22s ease}
.link-arrow:hover span{transform:translateX(4px)}
.hero-media{position:relative}
.hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:20px;border:1px solid var(--line);box-shadow:var(--sh-2)}
.float-card{
  position:absolute;left:-16px;bottom:26px;display:flex;align-items:center;gap:12px;
  padding:14px 18px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--sh-2);
}
.float-card i{width:10px;height:10px;border-radius:3px;background:var(--c-amber);flex:none}
.float-card b{display:block;font-size:14px;font-weight:600;line-height:1.3}
.float-card small{font-size:12px;color:var(--faint)}

/* ============ 图文交替长栏 ============ */
.alt-wrap{padding-top:8px}
.alt-row{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  padding:52px 0;border-bottom:1px solid var(--line);
}
.alt-row:last-child{border-bottom:0}
.alt-media img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:18px;border:1px solid var(--line);box-shadow:var(--sh-1);transition:box-shadow .22s ease}
.alt-row:hover .alt-media img{box-shadow:var(--sh-2)}
.alt-body .alt-index{font-size:14px;font-weight:700;letter-spacing:2px;color:var(--c-amber)}
.alt-body h3{margin-top:10px;font-size:21px;line-height:1.4}
.alt-body p{margin-top:14px;color:var(--muted);font-size:16px;line-height:1.85}
.alt-body .mini{margin-top:18px;display:flex;flex-wrap:wrap;gap:8px}
.alt-body .mini span{font-size:12.5px;color:var(--c-primary);background:var(--c-primary-soft);border-radius:6px;padding:4px 10px}
.alt-row.is-reverse .alt-media{order:2}
.alt-row.is-reverse .alt-body{order:1}

/* ============ 引用说明条 ============ */
.quote-bar{
  margin-top:8px;padding:24px 28px;background:var(--bg-soft);
  border-left:3px solid var(--c-primary);border-radius:0 14px 14px 0;
  font-size:15.5px;line-height:1.85;color:var(--muted);
}

/* ============ 2 列要点清单 ============ */
.point-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 56px}
.point-item{display:flex;gap:14px;padding:22px 0;border-bottom:1px solid var(--line)}
.point-mark{width:8px;height:8px;flex:none;margin-top:10px;border-radius:2px;background:var(--c-accent)}
.point-item h4{font-size:16.5px;font-weight:600;line-height:1.5}
.point-item p{margin-top:6px;font-size:14.5px;line-height:1.75;color:var(--muted)}

/* ============ 资料结构面板 ============ */
.stats-row{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
}
.stat{padding:28px 24px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat .stat-cat{font-size:12px;font-weight:600;letter-spacing:1px;color:var(--c-accent)}
.stat .stat-value{margin-top:10px;font-size:17px;font-weight:600;line-height:1.45}
.stat .stat-desc{margin-top:8px;font-size:13.5px;line-height:1.7;color:var(--faint)}

/* ============ CTA 条 ============ */
.cta-bar{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  padding:36px 40px;background:rgba(18,92,140,.05);
  border:1px solid var(--c-primary-line);border-radius:20px;
}
.cta-bar h3{font-size:21px;line-height:1.45;max-width:34ch}
.cta-bar p{margin-top:10px;font-size:15px;color:var(--muted);max-width:48ch}
.cta-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{position:relative;margin-top:var(--sec);background:var(--footer-bg);color:var(--footer-text)}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--c-primary)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;padding:72px 0 48px}
.footer-logo{font-size:20px;font-weight:700;color:#fff;letter-spacing:.4px;margin-bottom:14px}
.fcol p{font-size:14px;line-height:1.9;color:var(--footer-text);max-width:34ch}
.fcol h4{font-size:13px;font-weight:600;letter-spacing:1px;color:#fff;margin-bottom:18px}
.fcol ul li{margin-bottom:12px;font-size:14px}
.fcol ul li a,.fcol ul li span{color:var(--footer-text)}
.fcol ul li a:hover{color:#fff;text-decoration:underline;text-underline-offset:2px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:#9FB3BF;
}
.back-top{color:var(--footer-text);font-size:13px}
.back-top:hover{color:#fff;text-decoration:underline;text-underline-offset:2px}

/* ============ 滚动入场 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s ease,transform .4s ease}
.reveal.is-in{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  :root{--sec:76px}
  .hero-grid{gap:40px}
  .point-grid{gap:0 40px}
  .alt-row{gap:40px}
}
@media (max-width:991px){
  body{padding-top:96px}
  .nav-menu{
    position:absolute;top:calc(100% + 12px);left:0;right:0;display:none;flex-direction:column;
    align-items:stretch;gap:4px;padding:12px;margin-left:0;
    background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--sh-2);
  }
  .nav-menu.is-open{display:flex}
  .nav-link{padding:11px 14px;font-size:15.5px}
  .nav-link.is-active::after{display:none}
  .nav-link.is-active{background:var(--c-primary-soft)}
  .nav-toggle{display:inline-flex}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .page-hero h1{max-width:none}
  .float-card{left:16px;bottom:16px}
  .alt-row{grid-template-columns:1fr;gap:24px;padding:40px 0}
  .alt-row.is-reverse .alt-media{order:1}
  .alt-row.is-reverse .alt-body{order:2}
  .stats-row{grid-template-columns:1fr 1fr}
  .stat{border-bottom:1px solid var(--line)}
  .stat:nth-child(2n){border-right:0}
  .stat:nth-child(3),.stat:nth-child(4){border-bottom:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:56px 0 36px}
  .cta-bar{padding:30px 26px}
}
@media (max-width:767px){
  body{font-size:16px}
  :root{--sec:56px}
  .container{padding-left:20px;padding-right:20px}
  .dock{gap:12px;padding:8px 12px 8px 16px}
  .brand-main{font-size:18px}
  .brand-top{font-size:10px;letter-spacing:1.5px}
  .nav-cta{display:none}
  .search-panel{width:min(260px,calc(100vw - 64px))}
  .section{padding:var(--sec) 0}
  .point-grid{grid-template-columns:1fr;gap:0}
  .stats-row{grid-template-columns:1fr}
  .stat{border-right:0;border-bottom:1px solid var(--line)}
  .stat:last-child{border-bottom:0}
  .cta-actions{width:100%}
  .btn-solid{width:100%;justify-content:center}
  .cta-actions .link-arrow{width:100%;justify-content:center}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .quote-bar{padding:20px 22px}
}
@media (max-width:519px){
  .page-hero h1{font-size:28px}
  .float-card{position:static;margin-top:14px;left:auto;bottom:auto}
  .hero-actions{gap:16px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* roulang page: article */
:root{
  --c-primary:#125C8C;
  --c-primary-dark:#0E4A70;
  --c-primary-soft:rgba(18,92,140,.08);
  --c-primary-line:rgba(18,92,140,.2);
  --c-secondary:#4E9A8F;
  --c-accent:#D08A2C;
  --c-bg:#F6F9FB;
  --c-surface:#FFFFFF;
  --c-surface-2:#EEF4F7;
  --c-text:#0F2534;
  --c-text-2:#5B7284;
  --c-text-3:#8A9AA8;
  --c-border:#E1EAF0;
  --c-border-strong:#DCE6EE;
  --c-footer:#102A38;
  --c-footer-text:#C6D4DC;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --r-dock:20px;
  --sh-1:0 2px 8px rgba(12,52,84,.05);
  --sh-2:0 10px 28px rgba(12,52,84,.08);
  --sh-3:0 18px 44px rgba(12,52,84,.12);
  --sp-1:88px;
  --sp-2:64px;
  --sp-3:56px;
  --font-cn:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  --bs-body-font-family:var(--font-cn);
  --bs-border-radius:var(--r-card);
  --bs-primary:var(--c-primary);
  --bs-link-color:var(--c-primary);
  --bs-body-color:var(--c-text);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding-top:104px;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;object-fit:cover}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-primary-dark);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{list-style:none;padding:0}
:focus-visible{outline:2px solid rgba(18,92,140,.5);outline-offset:2px;border-radius:4px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 浮动 Dock 导航 ---------- */
.site-header{position:fixed;top:16px;left:0;right:0;z-index:1000;pointer-events:none}
.dock{
  position:relative;
  pointer-events:auto;
  width:min(1180px,calc(100% - 32px));
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:22px;
  padding:11px 18px;
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid var(--c-border);
  border-radius:var(--r-dock);
  box-shadow:var(--sh-2);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled .dock{background:rgba(255,255,255,.96);box-shadow:var(--sh-3)}
.brand{display:flex;flex-direction:column;line-height:1.2;flex:0 0 auto}
.brand:hover{text-decoration:none}
.brand-top{font-size:12px;letter-spacing:2px;color:var(--c-text-3)}
.brand-main{font-size:21px;font-weight:700;letter-spacing:-.01em;color:var(--c-text)}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;
  padding:9px 13px;
  font-size:15px;
  color:var(--c-text-2);
  border-radius:8px;
  white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-soft);text-decoration:none}
.nav-link.is-active{color:var(--c-primary);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;
  border-radius:2px;background:var(--c-primary);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.search-wrap{position:relative}
.search-btn{
  width:38px;height:38px;display:grid;place-items:center;
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-btn);
  color:var(--c-text-2);cursor:pointer;transition:.2s ease;
}
.search-btn:hover{color:var(--c-primary);border-color:var(--c-primary)}
.search-panel{
  position:absolute;top:calc(100% + 12px);right:0;width:264px;padding:10px;
  background:#fff;border:1px solid var(--c-border);border-radius:14px;box-shadow:var(--sh-2);
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .22s ease,transform .22s ease,visibility .22s;
}
.search-wrap.is-open .search-panel{opacity:1;visibility:visible;transform:translateY(0)}
.search-panel input{
  width:100%;height:42px;padding:0 12px;font-size:14px;
  border:1px solid var(--c-border-strong);border-radius:10px;background:#fff;
}
.search-panel input:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(18,92,140,.15);outline:none}
.nav-cta{
  height:40px;display:inline-flex;align-items:center;padding:0 18px;
  background:var(--c-primary);color:#fff;font-size:14px;font-weight:600;
  border-radius:var(--r-btn);box-shadow:0 2px 8px rgba(12,52,84,.12);
  transition:.22s ease;
}
.nav-cta:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);text-decoration:none}
.nav-toggle{
  display:none;width:40px;height:40px;flex-direction:column;justify-content:center;gap:4px;
  align-items:center;background:#fff;border:1px solid var(--c-border);border-radius:var(--r-btn);cursor:pointer;
}
.nav-toggle span{display:block;width:17px;height:2px;background:var(--c-text-2);border-radius:2px;transition:.2s ease}

/* ---------- 文章头部 ---------- */
.article-head{
  padding:26px 0 34px;
  background:
    linear-gradient(180deg,rgba(238,244,247,.9) 0%,rgba(246,249,251,1) 100%);
  border-bottom:1px solid var(--c-border);
}
.breadcrumb-nav{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--c-text-2);margin-bottom:24px;
}
.breadcrumb-nav a{color:var(--c-text-2)}
.breadcrumb-nav a:hover{color:var(--c-primary)}
.breadcrumb-nav .sep{color:var(--c-text-3)}
.breadcrumb-nav .crumb-cat{color:var(--c-text-2)}
.breadcrumb-nav .current{
  color:var(--c-primary);font-weight:600;
  max-width:min(560px,60vw);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.chip{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;
  font-size:12px;font-weight:600;border-radius:6px;
  background:var(--c-primary-soft);color:var(--c-primary);
}
.article-head h1{
  margin:14px 0 0;
  font-size:clamp(26px,3.2vw,38px);
  font-weight:700;line-height:1.3;letter-spacing:-.01em;
  max-width:900px;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  margin-top:22px;padding:12px 0;
  border-top:1px solid var(--c-border);border-bottom:1px solid var(--c-border);
  font-size:13px;color:var(--c-text-3);
}
.meta-row .meta-item{display:inline-flex;align-items:center;gap:6px}
.meta-row time{font-family:var(--font-num);color:var(--c-text-2)}
.meta-divider{width:1px;height:12px;background:var(--c-border)}

/* ---------- 布局 ---------- */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,760px) 300px;
  gap:56px;
  justify-content:space-between;
  align-items:start;
  padding:44px 0 var(--sp-1);
}
.article-main{min-width:0}

/* ---------- 正文排版 ---------- */
.article-body{font-size:16.5px;line-height:1.85;color:var(--c-text)}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 1.15em}
.article-body h2{
  position:relative;
  margin:48px 0 18px;
  padding-left:16px;
  font-size:clamp(21px,2.2vw,26px);
  font-weight:600;line-height:1.4;letter-spacing:-.01em;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.34em;width:4px;height:18px;border-radius:2px;
  background:var(--c-primary);
}
.article-body h3{margin:30px 0 12px;font-size:18px;font-weight:600;line-height:1.5}
.article-body h4{margin:22px 0 10px;font-size:16.5px;font-weight:600;color:var(--c-text-2)}
.article-body ul,.article-body ol{margin:0 0 1.3em}
.article-body li{position:relative;padding-left:22px;margin-bottom:.55em}
.article-body ul>li::before{
  content:"";position:absolute;left:3px;top:.72em;width:7px;height:7px;
  border-radius:2px;background:var(--c-secondary);
}
.article-body ol{counter-reset:oli}
.article-body ol>li{counter-increment:oli}
.article-body ol>li::before{
  content:counter(oli);
  position:absolute;left:0;top:.05em;
  font-family:var(--font-num);font-size:13px;font-weight:700;color:var(--c-primary);
}
.article-body blockquote{
  margin:24px 0;padding:16px 22px;
  background:var(--c-surface-2);
  border-left:3px solid var(--c-primary);
  border-radius:0 12px 12px 0;
  color:var(--c-text-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:24px auto}
.article-body figure{margin:26px 0}
.article-body figcaption{font-size:12px;color:var(--c-text-3);text-align:center;margin-top:8px}
.article-body table{
  display:block;width:100%;overflow-x:auto;
  border-collapse:collapse;font-size:14.5px;margin:24px 0;
}
.article-body th,.article-body td{
  border:1px solid var(--c-border);padding:10px 14px;text-align:left;white-space:nowrap;
}
.article-body thead th{background:var(--c-surface-2);font-weight:600}
.article-body strong{font-weight:600}
.article-body hr{border:none;border-top:1px solid var(--c-border);margin:36px 0}
.article-body a{text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}

/* ---------- 空态 ---------- */
.empty-state{
  display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:60px 24px;background:var(--c-surface);
  border:1px solid var(--c-border);border-radius:var(--r-card);box-shadow:var(--sh-1);
  text-align:center;
}
.empty-state svg{color:var(--c-text-3)}
.empty-state p{color:var(--c-text-2);font-size:15px;margin:0}
.empty-state a{font-weight:600}

/* ---------- 侧栏 ---------- */
.article-side{
  position:sticky;top:104px;
  display:flex;flex-direction:column;gap:20px;
}
.side-card{
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:20px;
}
.side-title{
  font-size:14px;font-weight:600;color:var(--c-text);
  letter-spacing:.02em;padding-bottom:12px;margin-bottom:14px;
  border-bottom:1px solid var(--c-border);
}
.side-feature{display:block;color:inherit}
.side-feature:hover{text-decoration:none}
.side-feature img{
  width:100%;aspect-ratio:16/9;border-radius:var(--r-img);
  border:1px solid var(--c-border);transition:transform .3s ease;
}
.side-feature:hover img{transform:translateY(-2px)}
.side-feature-title{display:block;margin-top:12px;font-size:15px;font-weight:600;color:var(--c-text)}
.side-feature:hover .side-feature-title{color:var(--c-primary)}
.side-feature-desc{display:block;margin-top:4px;font-size:13px;color:var(--c-text-2);line-height:1.7}
.side-list li+li{border-top:1px solid var(--c-border)}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 0;font-size:14.5px;color:var(--c-text-2);
}
.side-list a span{color:var(--c-text-3);transition:transform .2s ease,color .2s ease}
.side-list a:hover{color:var(--c-primary);text-decoration:none}
.side-list a:hover span{color:var(--c-primary);transform:translateX(4px)}
.side-contact p{font-size:14px;color:var(--c-text-2);line-height:1.75;margin-bottom:14px}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--c-primary);
}
.link-arrow span{transition:transform .2s ease}
.link-arrow:hover{text-decoration:none;color:var(--c-primary-dark)}
.link-arrow:hover span{transform:translateX(4px)}

/* ---------- 文末模块 ---------- */
.related{margin-top:56px;padding-top:28px;border-top:1px solid var(--c-border)}
.sec-title-sm{
  font-size:18px;font-weight:600;letter-spacing:-.01em;margin-bottom:18px;
}
.rel-list li+li{border-top:1px solid var(--c-border)}
.rel-list a{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:15px 2px;color:var(--c-text);
}
.rel-list a:hover{text-decoration:none;color:var(--c-primary)}
.rel-main{min-width:0}
.rel-title{display:block;font-size:15.5px;font-weight:600;color:inherit}
.rel-desc{display:block;margin-top:3px;font-size:13px;color:var(--c-text-2)}
.rel-tag{
  flex:0 0 auto;height:24px;display:inline-flex;align-items:center;padding:0 9px;
  font-size:12px;border-radius:6px;background:rgba(78,154,143,.12);color:#3C7A71;
}
.rel-arrow{color:var(--c-text-3);transition:transform .2s ease,color .2s ease}
.rel-list a:hover .rel-arrow{color:var(--c-primary);transform:translateX(4px)}

.post-nav{
  display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:36px;
}
.post-link{
  display:flex;flex-direction:column;gap:6px;
  padding:18px 20px;background:var(--c-surface);
  border:1px solid var(--c-border);border-radius:var(--r-card);
  box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.post-link:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--c-primary-line);text-decoration:none}
.post-link-label{font-size:12px;color:var(--c-text-3);letter-spacing:.04em}
.post-link-title{
  font-size:15px;font-weight:600;color:var(--c-text);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.post-link.is-next{text-align:right;align-items:flex-end}

/* ---------- CTA 条 ---------- */
.cta-strip{padding-bottom:var(--sp-1)}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  padding:30px 34px;
  background:rgba(18,92,140,.05);
  border:1px solid var(--c-primary-line);
  border-radius:20px;
}
.cta-inner h3{font-size:20px;font-weight:600;letter-spacing:-.01em}
.cta-inner p{margin-top:8px;font-size:14.5px;color:var(--c-text-2);line-height:1.7}
.btn-solid{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;flex:0 0 auto;
  background:var(--c-primary);color:#fff;font-size:15px;font-weight:600;
  border:none;border-radius:var(--r-btn);cursor:pointer;
  transition:background .22s ease,transform .22s ease,box-shadow .22s ease;
}
.btn-solid:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);text-decoration:none}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-footer);color:var(--c-footer-text);
  border-top:2px solid var(--c-primary);
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;
  padding:64px 0 40px;
}
.footer-logo{font-size:20px;font-weight:700;color:#fff;letter-spacing:-.01em}
.fcol p{margin-top:14px;font-size:14px;line-height:1.8;color:var(--c-footer-text);max-width:340px}
.fcol h4{
  font-size:13px;font-weight:600;letter-spacing:1px;color:#fff;
  margin-bottom:16px;
}
.fcol ul li{margin-bottom:10px;font-size:14px}
.fcol ul a,.fcol ul span{color:var(--c-footer-text);font-size:14px}
.fcol ul a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:2px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(198,212,220,.85);
}
.back-top{color:rgba(198,212,220,.85);font-size:13px}
.back-top:hover{color:#fff;text-decoration:none}

/* ---------- 进入动画 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s ease,transform .4s ease}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:40px;padding-bottom:72px}
  .article-side{position:static;flex-direction:row;flex-wrap:wrap}
  .article-side .side-card{flex:1 1 260px}
}
@media (max-width:991.98px){
  :root{--sp-1:64px;--sp-2:56px}
  body{padding-top:96px}
  .nav-toggle{display:flex}
  .nav-menu{
    position:absolute;top:calc(100% + 10px);left:0;right:0;
    display:none;flex-direction:column;align-items:stretch;gap:2px;
    padding:10px;background:#fff;border:1px solid var(--c-border);
    border-radius:18px;box-shadow:var(--sh-2);
  }
  .nav-menu.is-open{display:flex}
  .nav-link{padding:12px 14px;font-size:15px}
  .nav-link.is-active{background:var(--c-primary-soft)}
  .nav-link.is-active::after{display:none}
  .article-head{padding-top:20px}
  .breadcrumb-nav{margin-bottom:18px}
  .breadcrumb-nav .current{white-space:normal;max-width:100%}
}
@media (max-width:767.98px){
  :root{--sp-1:56px}
  .container{padding:0 20px}
  .dock{gap:12px;padding:10px 14px}
  .brand-main{font-size:19px}
  .brand-top{font-size:11px;letter-spacing:1.5px}
  .nav-cta{display:none}
  .article-layout{padding-top:32px;gap:32px}
  .article-body{font-size:16px;line-height:1.8}
  .article-body h2{margin-top:38px}
  .meta-row{font-size:12.5px;gap:10px}
  .post-nav{grid-template-columns:1fr}
  .post-link.is-next{text-align:left;align-items:flex-start}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:24px 22px}
  .btn-solid{width:100%}
  .side-card{box-shadow:var(--sh-1)}
  .side-feature:hover img{transform:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:48px 0 32px}
  .fcol p{max-width:none}
}
@media (max-width:519.98px){
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
  .search-panel{width:220px}
}

/* roulang page: category2 */
:root{
  --brand:#125C8C;
  --brand-dark:#0E4A72;
  --brand-soft:rgba(18,92,140,.08);
  --brand-line:rgba(18,92,140,.20);
  --jade:#4E9A8F;
  --jade-soft:rgba(78,154,143,.12);
  --amber:#D08A2C;
  --bg:#F6F9FB;
  --surface:#FFFFFF;
  --surface-alt:#EEF4F7;
  --ink:#0F2534;
  --ink-2:#5B7284;
  --ink-3:#8A9AA8;
  --line:#E1EAF0;
  --line-strong:#DCE6EE;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(12,52,84,.05);
  --sh-2:0 10px 28px rgba(12,52,84,.08);
  --sh-3:0 18px 44px rgba(12,52,84,.12);
  --sec:88px;
  --font-cn:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  padding-top:104px;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;object-fit:cover;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-dark);text-decoration:underline;text-underline-offset:3px;}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em;line-height:1.3;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}
@media (min-width:1400px){.container{max-width:1200px;}}

/* ---------- 顶部浮动 Dock 导航 ---------- */
.site-header{
  position:fixed;top:16px;left:0;right:0;z-index:1030;
  padding:0 16px;
}
.dock{
  position:relative;
  width:min(1180px,100%);
  margin:0 auto;
  display:flex;align-items:center;gap:20px;
  padding:10px 16px;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-2);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled .dock{background:rgba(255,255,255,.96);box-shadow:var(--sh-3);}
.brand{display:flex;flex-direction:column;line-height:1.15;text-decoration:none;padding-right:8px;}
.brand:hover{text-decoration:none;}
.brand-top{font-size:11px;letter-spacing:2px;color:var(--ink-3);}
.brand-main{font-size:21px;font-weight:700;color:var(--brand);letter-spacing:.5px;}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-menu .nav-link{
  display:inline-block;
  padding:8px 14px;
  font-size:15px;
  color:var(--ink-2);
  border-radius:var(--r-sm);
  position:relative;
  white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-menu .nav-link:hover{color:var(--brand);background:var(--brand-soft);text-decoration:none;}
.nav-menu .nav-link.is-active{color:var(--brand);font-weight:600;}
.nav-menu .nav-link.is-active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--brand);
}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
.search-wrap{position:relative;}
.search-btn{
  width:38px;height:38px;display:grid;place-items:center;
  background:transparent;border:1px solid var(--line);border-radius:var(--r-sm);
  color:var(--ink-2);cursor:pointer;transition:all .2s ease;
}
.search-btn:hover{color:var(--brand);border-color:var(--brand-line);background:var(--brand-soft);}
.search-panel{
  position:absolute;right:0;top:calc(100% + 10px);
  display:none;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);box-shadow:var(--sh-2);padding:10px;width:270px;
}
.search-panel.is-open{display:block;}
.search-panel input{
  width:100%;height:42px;border:1px solid var(--line-strong);border-radius:var(--r-sm);
  padding:0 12px;font-size:14px;color:var(--ink);background:#fff;
}
.search-panel input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-line);}
.nav-cta{
  display:inline-flex;align-items:center;
  height:40px;padding:0 18px;
  background:var(--brand);color:#fff;font-size:14.5px;font-weight:600;
  border-radius:var(--r-sm);
  box-shadow:var(--sh-1);
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease;
}
.nav-cta:hover{background:var(--brand-dark);color:#fff;text-decoration:none;transform:translateY(-1px);box-shadow:var(--sh-2);}
.nav-toggle{
  display:none;width:40px;height:38px;border:1px solid var(--line);background:#fff;
  border-radius:var(--r-sm);cursor:pointer;padding:0;place-items:center;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-2);margin:4px auto;transition:background .2s ease;}
.nav-toggle:hover span{background:var(--brand);}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);margin-bottom:24px;flex-wrap:wrap;}
.crumb a{color:var(--ink-2);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:var(--ink-3);}
.crumb .current{color:var(--brand);font-weight:600;}

/* ---------- 内页 Hero ---------- */
.page-hero{padding:36px 0 0;}
.hero-grid{display:grid;grid-template-columns:6fr 5fr;gap:48px;align-items:center;}
.hero-badge{
  display:inline-block;font-size:12.5px;letter-spacing:.5px;color:var(--jade);
  background:var(--jade-soft);border-radius:var(--r-pill);padding:5px 14px;margin-bottom:18px;
}
.hero-title{font-size:clamp(30px,4vw,46px);font-weight:700;line-height:1.25;margin-bottom:16px;}
.hero-lead{font-size:17.5px;color:var(--ink-2);max-width:520px;margin-bottom:26px;}
.hero-actions{display:flex;align-items:center;gap:22px;flex-wrap:wrap;margin-bottom:28px;}
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 26px;
  background:var(--brand);color:#fff;font-size:15.5px;font-weight:600;
  border:none;border-radius:var(--r-sm);cursor:pointer;
  box-shadow:var(--sh-1);
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease;
}
.btn-primary:hover{background:var(--brand-dark);color:#fff;text-decoration:none;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;color:var(--brand);font-weight:500;}
.link-arrow span{transition:transform .2s ease;}
.link-arrow:hover{text-decoration:none;color:var(--brand-dark);}
.link-arrow:hover span{transform:translateX(4px);}
.hero-points{display:flex;flex-direction:column;gap:10px;border-top:1px solid var(--line);padding-top:20px;}
.hero-points li{position:relative;padding-left:20px;font-size:14.5px;color:var(--ink-2);}
.hero-points li::before{
  content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;border-radius:2px;
  background:var(--jade);opacity:.85;
}
.hero-media{position:relative;}
.hero-media img{width:100%;aspect-ratio:16/10;border-radius:var(--r-lg);box-shadow:var(--sh-2);}
.float-card{
  position:absolute;left:-18px;bottom:-22px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-2);padding:14px 18px;min-width:180px;
}
.float-card strong{display:block;font-size:15px;color:var(--brand);font-weight:700;margin-bottom:2px;}
.float-card span{font-size:12.5px;color:var(--ink-3);}

/* ---------- 胶囊锚点条 ---------- */
.anchor-bar{margin-top:56px;padding:16px 0;background:var(--surface-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.anchors{display:flex;gap:10px;overflow-x:auto;scrollbar-width:none;padding-bottom:2px;}
.anchors::-webkit-scrollbar{display:none;}
.pill{
  flex:0 0 auto;display:inline-flex;align-items:center;height:38px;padding:0 18px;
  font-size:14px;color:var(--ink-2);background:#fff;border:1px solid var(--line);
  border-radius:var(--r-pill);white-space:nowrap;transition:all .2s ease;
}
.pill:hover{color:var(--brand);border-color:var(--brand-line);text-decoration:none;}
.pill.is-active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600;}

/* ---------- 通用板块 ---------- */
.sec{padding-top:var(--sec);}
.sec-head{margin-bottom:40px;max-width:720px;}
.sec-label{display:block;font-size:12.5px;letter-spacing:2px;color:var(--jade);margin-bottom:10px;}
.sec-title{font-size:clamp(23px,2.4vw,28px);font-weight:600;margin-bottom:12px;}
.sec-sub{font-size:15.5px;color:var(--ink-2);}

/* ---------- 服务通道卡 ---------- */
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.s-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--sh-1);
  display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease;
}
.s-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.s-card .tag{
  display:inline-block;align-self:flex-start;
  font-size:12px;color:var(--brand);background:var(--brand-soft);
  border-radius:6px;padding:3px 10px;margin-bottom:14px;
}
.s-card h3{font-size:19px;font-weight:600;margin-bottom:10px;}
.s-card p{font-size:15px;color:var(--ink-2);margin-bottom:18px;}
.s-card .card-link{margin-top:auto;font-size:14.5px;font-weight:500;display:inline-flex;align-items:center;gap:6px;}
.s-card .card-link span{transition:transform .2s ease;}
.s-card .card-link:hover span{transform:translateX(4px);}
.s-feature{grid-column:span 2;flex-direction:row;gap:28px;align-items:stretch;}
.s-feature .feat-body{flex:1 1 58%;display:flex;flex-direction:column;}
.s-feature img{flex:1 1 42%;width:100%;min-height:220px;aspect-ratio:16/9;border-radius:12px;}
.s-note{
  grid-column:span 2;
  background:var(--surface-alt);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;display:flex;flex-direction:column;justify-content:center;
}
.s-note h3{font-size:17px;font-weight:600;margin-bottom:14px;}
.s-note ul{display:flex;flex-direction:column;gap:10px;}
.s-note li{position:relative;padding-left:18px;font-size:14.5px;color:var(--ink-2);}
.s-note li::before{content:"";position:absolute;left:0;top:.65em;width:7px;height:7px;border-radius:2px;background:var(--jade);}

/* ---------- 支持流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.flow-item{position:relative;padding-top:18px;border-top:2px solid var(--line);}
.flow-item.is-first{border-top-color:var(--brand);}
.flow-num{
  font-size:34px;font-weight:700;color:rgba(18,92,140,.14);
  line-height:1;letter-spacing:-.02em;margin-bottom:6px;
  font-variant-numeric:tabular-nums;
}
.flow-item h3{font-size:17.5px;font-weight:600;margin-bottom:8px;}
.flow-item p{font-size:14.5px;color:var(--ink-2);}

/* ---------- 响应说明数据面板 ---------- */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:48px;}
.metric{
  background:var(--surface-alt);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 20px;
}
.metric strong{display:block;font-size:24px;font-weight:700;color:var(--brand);letter-spacing:-.01em;margin-bottom:6px;}
.metric span{font-size:13px;color:var(--ink-2);line-height:1.7;}
.rows{border-top:1px solid var(--line);}
.row-item{
  display:flex;align-items:center;gap:18px;
  padding:20px 4px;border-bottom:1px solid var(--line);
  transition:background .2s ease,padding .2s ease;
}
.row-item:hover{background:rgba(18,92,140,.03);padding-left:12px;padding-right:12px;}
.row-item .row-title{font-size:16px;font-weight:600;min-width:190px;}
.row-type{
  font-size:12px;color:var(--jade);background:var(--jade-soft);
  border-radius:6px;padding:3px 10px;white-space:nowrap;
}
.row-item .row-desc{font-size:14.5px;color:var(--ink-2);flex:1;}
.row-item .row-go{color:var(--ink-3);font-size:16px;transition:transform .2s ease,color .2s ease;}
.row-item:hover .row-go{color:var(--brand);transform:translateX(4px);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;}
.accordion-item{
  background:transparent;border:none;border-bottom:1px solid var(--line);
}
.accordion-item:first-child{border-top:1px solid var(--line);}
.accordion-button{
  background:transparent;border:none;box-shadow:none;
  font-size:16px;font-weight:600;color:var(--ink);
  padding:22px 4px 22px 0;
  display:flex;align-items:center;gap:12px;
}
.accordion-button:not(.collapsed){color:var(--brand);background:transparent;box-shadow:none;}
.accordion-button:focus{box-shadow:none;outline:2px solid var(--brand);outline-offset:-4px;}
.accordion-button::after{
  content:"";display:block;width:10px;height:10px;flex:0 0 auto;
  border-right:2px solid currentColor;border-bottom:2px solid currentColor;
  transform:rotate(45deg);margin-left:auto;transition:transform .25s ease;
  background-image:none;
}
.accordion-button:not(.collapsed)::after{transform:rotate(-135deg);}
.accordion-body{padding:0 16px 24px 16px;font-size:15px;color:var(--ink-2);line-height:1.85;}

/* ---------- CTA ---------- */
.cta-band{
  background:rgba(18,92,140,.05);
  border:1px solid var(--brand-line);
  border-radius:var(--r-md);
  padding:36px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band h3{font-size:22px;font-weight:600;margin-bottom:8px;}
.cta-band p{font-size:15px;color:var(--ink-2);max-width:560px;}
.cta-actions{display:flex;align-items:center;gap:24px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:var(--sec);
  background:#102A38;color:#C6D4DC;
  border-top:2px solid var(--brand);
  padding:64px 0 28px;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;}
.footer-logo{font-size:20px;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:.5px;}
.fcol p{font-size:14px;color:#9FB4BF;line-height:1.85;max-width:300px;}
.fcol h4{font-size:13px;letter-spacing:1px;font-weight:600;color:#fff;margin-bottom:16px;}
.fcol ul{display:flex;flex-direction:column;gap:11px;}
.fcol li a,.fcol li span{font-size:14px;color:#C6D4DC;}
.fcol li a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.footer-bottom{
  margin-top:48px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8FA5B0;
}
.back-top{color:#C6D4DC;font-size:13px;}
.back-top:hover{color:#fff;}

/* ---------- 入场动画 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s ease,transform .4s ease;}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero-grid{gap:36px;}
  .footer-grid{grid-template-columns:1.3fr 1fr 1fr;gap:32px;}
}
@media (max-width:991px){
  :root{--sec:64px;}
  body{padding-top:96px;}
  .nav-menu{
    position:absolute;left:0;right:0;top:calc(100% + 10px);
    display:none;flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
    box-shadow:var(--sh-2);padding:12px;margin:0;
  }
  .nav-menu.is-open{display:flex;}
  .nav-menu .nav-link{padding:12px 14px;font-size:15.5px;}
  .nav-menu .nav-link.is-active::after{display:none;}
  .nav-menu .nav-link.is-active{background:var(--brand-soft);}
  .nav-toggle{display:block;}
  .nav-cta{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-media img{aspect-ratio:16/10;}
  .float-card{left:auto;right:16px;bottom:-20px;}
  .services-grid{grid-template-columns:repeat(2,1fr);}
  .s-feature{grid-column:span 2;flex-direction:column;}
  .s-feature img{min-height:200px;}
  .s-note{grid-column:span 2;}
  .flow{grid-template-columns:repeat(2,1fr);gap:28px;}
  .metrics{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:767px){
  :root{--sec:56px;}
  body{font-size:16px;}
  .container{padding-left:20px;padding-right:20px;}
  .services-grid{grid-template-columns:1fr;}
  .s-feature,.s-note{grid-column:span 1;}
  .flow{grid-template-columns:1fr;}
  .metrics{grid-template-columns:1fr 1fr;gap:14px;}
  .row-item{flex-wrap:wrap;gap:10px;}
  .row-item .row-title{min-width:0;width:100%;}
  .row-item .row-desc{width:100%;}
  .row-item .row-go{display:none;}
  .cta-band{padding:28px 22px;}
  .hero-actions{flex-direction:column;align-items:stretch;gap:14px;}
  .btn-primary{width:100%;}
  .link-arrow{justify-content:center;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .fcol p{max-width:none;}
  .s-card:hover{transform:none;box-shadow:var(--sh-1);}
}
@media (max-width:519px){
  .metrics{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .brand-main{font-size:19px;}
  .sec-title{font-size:22px;}
}

/* roulang page: category3 */
:root{
  --c-primary:#125C8C;
  --c-primary-dark:#0E4A70;
  --c-primary-05:rgba(18,92,140,.05);
  --c-primary-08:rgba(18,92,140,.08);
  --c-primary-20:rgba(18,92,140,.20);
  --c-accent:#4E9A8F;
  --c-amber:#D08A2C;
  --c-bg:#F6F9FB;
  --c-surface:#FFFFFF;
  --c-soft:#EEF4F7;
  --c-text:#0F2534;
  --c-muted:#5B7284;
  --c-faint:#8A9AA8;
  --c-line:#E1EAF0;
  --c-line-strong:#DCE6EE;
  --c-ink:#102A38;
  --r-card:16px;
  --r-img:18px;
  --r-ctl:10px;
  --r-dock:20px;
  --sh-1:0 2px 8px rgba(12,52,84,.05);
  --sh-2:0 10px 28px rgba(12,52,84,.08);
  --sh-3:0 18px 44px rgba(12,52,84,.12);
  --sp-1:88px;
  --sp-2:64px;
  --sp-3:56px;
  --bs-primary:#125C8C;
  --bs-body-font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --bs-body-color:#0F2534;
  --bs-border-radius:12px;
  --bs-border-color:#E1EAF0;
  --bs-link-color:#125C8C;
  --bs-link-hover-color:#0E4A70;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  padding-top:112px;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-primary-dark);}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px;}
h1,h2,h3,h4{color:var(--c-text);letter-spacing:-0.01em;margin:0;line-height:1.3;}
h1{font-size:clamp(30px,4vw,46px);font-weight:700;}
h2{font-size:clamp(23px,2.4vw,28px);font-weight:600;}
h3{font-size:19px;font-weight:600;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
.container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--c-primary);color:#fff;padding:10px 16px;border-radius:0 0 10px 0;z-index:2000;}
.skip-link:focus{left:0;color:#fff;}

/* ---------- Dock 导航 ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1200;padding-top:16px;pointer-events:none;}
.dock{
  pointer-events:auto;
  width:min(1180px,calc(100% - 32px));
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:18px;
  padding:10px 18px;
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid var(--c-line);
  border-radius:var(--r-dock);
  box-shadow:var(--sh-2);
  position:relative;
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled .dock{background:rgba(255,255,255,.96);box-shadow:var(--sh-3);}
.brand{display:flex;flex-direction:column;line-height:1.15;flex-shrink:0;}
.brand-top{font-size:13px;letter-spacing:2px;color:var(--c-faint);}
.brand-main{font-size:21px;font-weight:700;color:var(--c-primary);letter-spacing:0;}
.brand:hover .brand-main{color:var(--c-primary-dark);}
.nav-menu{display:flex;align-items:center;gap:4px;margin:0 auto;}
.nav-link{
  position:relative;
  padding:9px 15px;
  font-size:14.5px;
  color:var(--c-muted);
  border-radius:999px;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-05);}
.nav-link.is-active{color:var(--c-primary);font-weight:600;}
.nav-link.is-active::after{
  content:"";position:absolute;left:50%;bottom:3px;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--c-primary);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.search-wrap{position:relative;}
.search-btn{
  width:38px;height:38px;display:grid;place-items:center;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:10px;
  color:var(--c-muted);cursor:pointer;transition:all .2s ease;
}
.search-btn:hover{color:var(--c-primary);border-color:var(--c-primary-20);box-shadow:var(--sh-1);}
.search-panel{
  position:absolute;top:calc(100% + 12px);right:0;width:280px;
  background:#fff;border:1px solid var(--c-line);border-radius:14px;
  padding:10px;box-shadow:var(--sh-2);
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .22s ease,transform .22s ease,visibility .22s;
}
.search-panel.is-open{opacity:1;visibility:visible;transform:translateY(0);}
.search-panel input{
  width:100%;height:44px;border:1px solid var(--c-line-strong);border-radius:10px;
  padding:0 14px;font-size:14.5px;color:var(--c-text);background:var(--c-bg);
}
.search-panel input:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px var(--c-primary-08);outline:none;}
.nav-cta{
  display:inline-flex;align-items:center;height:40px;padding:0 18px;
  background:var(--c-primary);color:#fff;border-radius:10px;font-size:14.5px;font-weight:500;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.nav-cta:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.nav-toggle{display:none;width:40px;height:40px;border:1px solid var(--c-line);background:#fff;border-radius:10px;cursor:pointer;padding:0;place-items:center;}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-text);border-radius:2px;margin:3px auto;transition:transform .2s ease,opacity .2s ease;}
.site-header.nav-open .nav-toggle span:nth-child(1){transform:translateY(5px) rotate(45deg);}
.site-header.nav-open .nav-toggle span:nth-child(2){opacity:0;}
.site-header.nav-open .nav-toggle span:nth-child(3){transform:translateY(-5px) rotate(-45deg);}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:26px 0 0;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);margin:0;background:none;padding:0;}
.breadcrumb .sep{color:var(--c-faint);}
.breadcrumb .current{color:var(--c-primary);font-weight:600;}

/* ---------- Hero ---------- */
.page-hero{padding:28px 0 var(--sp-2);}
.hero-inner{
  display:grid;grid-template-columns:minmax(0,6fr) minmax(0,5fr);
  gap:48px;align-items:center;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:24px;
  padding:44px;box-shadow:var(--sh-1);
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:1.5px;color:var(--c-accent);
  background:rgba(78,154,143,.10);border-radius:999px;padding:6px 14px;margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--c-accent);}
.hero-inner h1{margin-bottom:16px;}
.hero-sub{font-size:16.5px;color:var(--c-muted);max-width:44ch;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:20px;}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-ctl);border:none;
  background:var(--c-primary);color:#fff;font-size:15.5px;font-weight:500;cursor:pointer;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-main:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-main:active{transform:translateY(0);}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;color:var(--c-primary);}
.link-arrow svg{transition:transform .22s ease;}
.link-arrow:hover svg{transform:translateX(4px);}
.hero-media{position:relative;}
.hero-media img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-img);}
.hero-float{
  position:absolute;left:-18px;bottom:22px;background:#fff;border:1px solid var(--c-line);
  border-radius:14px;padding:14px 18px;box-shadow:var(--sh-2);max-width:230px;
}
.hero-float b{display:block;font-size:14px;color:var(--c-text);font-weight:600;}
.hero-float span{font-size:12.5px;color:var(--c-faint);}

/* ---------- 双栏布局 ---------- */
.cat-layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:56px;align-items:start;padding-bottom:var(--sp-2);}
.toc{position:sticky;top:112px;}
.toc-title{font-size:13px;letter-spacing:1px;color:var(--c-faint);margin-bottom:14px;}
.toc a{
  display:block;padding:10px 0 10px 16px;font-size:14.5px;color:var(--c-muted);
  border-left:2px solid var(--c-line);transition:all .2s ease;
}
.toc a:hover{color:var(--c-primary);border-left-color:var(--c-primary-20);}
.toc a.is-current{color:var(--c-primary);font-weight:600;border-left-color:var(--c-primary);background:linear-gradient(90deg,var(--c-primary-05),transparent);}

.cat-main>*+*{margin-top:var(--sp-2);}
.section-head{margin-bottom:28px;max-width:62ch;}
.section-head h2{margin-bottom:12px;}
.section-head p{color:var(--c-muted);font-size:15.5px;margin:0;}
.block-plain{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:34px;box-shadow:var(--sh-1);}
.block-plain p{font-size:16.5px;color:#243B4A;}

/* 要点分隔行 */
.point-list{margin-top:26px;border-top:1px solid var(--c-line);}
.point-list li{display:grid;grid-template-columns:auto minmax(0,1fr);gap:14px;padding:18px 0;border-bottom:1px solid var(--c-line);}
.point-list .dot{width:8px;height:8px;border-radius:2px;background:var(--c-accent);margin-top:11px;}
.point-list b{display:block;font-size:16px;font-weight:600;margin-bottom:4px;}
.point-list span{font-size:14.5px;color:var(--c-muted);}

/* 编号步骤 */
.steps{border-top:1px solid var(--c-line);}
.step{
  display:grid;grid-template-columns:96px minmax(0,1fr);gap:24px;
  padding:26px 0;border-bottom:1px solid var(--c-line);position:relative;
  transition:background .2s ease;
}
.step:hover{background:linear-gradient(90deg,var(--c-primary-05),transparent 70%);}
.step-num{
  font-size:44px;font-weight:700;line-height:1;color:var(--c-primary-20);
  font-family:Inter,system-ui,-apple-system,sans-serif;letter-spacing:-0.02em;
}
.step h3{margin-bottom:8px;}
.step p{font-size:15.5px;color:var(--c-muted);margin:0;}

/* 数据面板 */
.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.metric{
  background:var(--c-soft);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px 20px;transition:transform .22s ease,box-shadow .22s ease,background .22s ease;
}
.metric:hover{transform:translateY(-3px);box-shadow:var(--sh-2);background:#fff;}
.metric b{display:block;font-size:clamp(21px,2.2vw,27px);font-weight:700;color:var(--c-primary);letter-spacing:-0.01em;margin-bottom:8px;}
.metric span{font-size:13.5px;color:var(--c-muted);line-height:1.7;}

/* 资料清单行 */
.doc-list{border-top:1px solid var(--c-line);}
.doc-row{
  display:flex;align-items:center;gap:18px;
  padding:20px 4px;border-bottom:1px solid var(--c-line);color:var(--c-text);
  transition:background .2s ease,color .2s ease;
}
.doc-row:hover{background:var(--c-primary-05);color:var(--c-primary);}
.doc-row .doc-name{font-size:16px;font-weight:500;flex:1;min-width:0;}
.tag{
  flex-shrink:0;font-size:12.5px;padding:4px 10px;border-radius:6px;
  background:rgba(78,154,143,.12);color:#2F6E64;font-weight:500;
}
.tag.amber{background:rgba(208,138,44,.12);color:#9A6414;}
.doc-row svg{flex-shrink:0;color:var(--c-faint);transition:transform .2s ease,color .2s ease;}
.doc-row:hover svg{transform:translateX(4px);color:var(--c-primary);}

/* 图文块 */
.split{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:44px;align-items:center;}
.split img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);}
.split h2{margin-bottom:16px;}
.split p{font-size:16px;color:#243B4A;}

/* 说明条 */
.notice{
  background:var(--c-primary-05);border:1px solid var(--c-primary-20);
  border-radius:var(--r-card);padding:26px 30px;display:flex;gap:18px;align-items:flex-start;
}
.notice svg{flex-shrink:0;color:var(--c-primary);margin-top:4px;}
.notice p{margin:0;font-size:15.5px;color:#25455C;}

/* 问答 */
.qa{border-top:1px solid var(--c-line);}
.qa-item{padding:22px 0;border-bottom:1px solid var(--c-line);display:grid;grid-template-columns:auto minmax(0,1fr);gap:16px;}
.qa-item .q-mark{
  width:24px;height:24px;border-radius:6px;background:var(--c-primary-08);color:var(--c-primary);
  font-size:13px;font-weight:700;display:grid;place-items:center;margin-top:3px;
}
.qa-item dt{font-size:16.5px;font-weight:600;margin-bottom:8px;color:var(--c-text);}
.qa-item dd{margin:0;font-size:15.5px;color:var(--c-muted);}

/* CTA */
.cta-band{
  background:var(--c-surface);border:1px solid var(--c-primary-20);border-radius:20px;
  padding:36px 40px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,420px);
  gap:32px;align-items:center;box-shadow:var(--sh-1);
}
.cta-band h2{font-size:23px;margin-bottom:10px;}
.cta-band p{color:var(--c-muted);font-size:15px;margin:0;}
.cta-form{display:flex;gap:12px;}
.cta-form input{
  flex:1;height:48px;border:1px solid var(--c-line-strong);border-radius:var(--r-ctl);
  padding:0 16px;font-size:15px;background:var(--c-bg);color:var(--c-text);
}
.cta-form input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px var(--c-primary-08);background:#fff;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:#C6D4DC;margin-top:var(--sp-1);border-top:2px solid var(--c-primary);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}
.footer-logo{font-size:20px;font-weight:700;color:#fff;margin-bottom:14px;}
.fcol p{font-size:14px;color:#9FB4C0;line-height:1.85;margin:0;}
.fcol h4{font-size:13px;letter-spacing:1px;font-weight:600;color:#fff;margin-bottom:16px;}
.fcol ul li{margin-bottom:11px;font-size:14px;}
.fcol ul li a{color:#C6D4DC;}
.fcol ul li a:hover{color:#fff;text-decoration:underline;text-underline-offset:2px;}
.fcol ul li span{color:#9FB4C0;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8FA6B3;
}
.back-top{color:#C6D4DC;font-size:13px;}
.back-top:hover{color:#fff;text-decoration:underline;text-underline-offset:2px;}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s ease,transform .4s ease;}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .cat-layout{grid-template-columns:1fr;gap:36px;}
  .toc{position:static;display:flex;gap:10px;overflow-x:auto;padding-bottom:6px;-webkit-overflow-scrolling:touch;}
  .toc-title{display:none;}
  .toc a{white-space:nowrap;border:1px solid var(--c-line);border-radius:999px;padding:8px 16px;background:#fff;}
  .toc a.is-current{background:var(--c-primary);color:#fff;border-color:var(--c-primary);}
  .metrics{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:991.98px){
  body{padding-top:96px;}
  .nav-menu{
    display:none;position:absolute;top:calc(100% + 12px);left:0;right:0;
    background:#fff;border:1px solid var(--c-line);border-radius:16px;padding:12px;
    box-shadow:var(--sh-2);flex-direction:column;align-items:stretch;gap:2px;
  }
  .site-header.nav-open .nav-menu{display:flex;}
  .nav-link{padding:12px 14px;border-radius:10px;}
  .nav-link.is-active::after{display:none;}
  .nav-link.is-active{background:var(--c-primary-08);}
  .nav-toggle{display:grid;}
  .hero-inner{grid-template-columns:1fr;gap:32px;padding:32px;}
  .hero-media{order:-1;}
  .hero-float{left:auto;right:16px;bottom:16px;}
  .split{grid-template-columns:1fr;gap:28px;}
  .split img{order:-1;aspect-ratio:16/10;}
  .cta-band{grid-template-columns:1fr;padding:30px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  :root{--sp-1:64px;--sp-2:56px;}
}
@media (max-width:767.98px){
  .block-plain{padding:24px;}
  .step{grid-template-columns:64px minmax(0,1fr);gap:16px;}
  .step-num{font-size:34px;}
  .cta-form{flex-direction:column;}
  .cta-form .btn-main{width:100%;}
  .hero-actions .btn-main{width:100%;justify-content:center;}
  .metric:hover{transform:none;box-shadow:var(--sh-1);}
  .doc-row{padding:18px 2px;}
}
@media (max-width:575.98px){
  .container{padding-left:20px;padding-right:20px;}
  .dock{padding:9px 14px;gap:10px;}
  .brand-main{font-size:18px;}
  .brand-top{font-size:11px;letter-spacing:1.2px;}
  .nav-cta{display:none;}
  .metrics{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .notice{flex-direction:column;gap:12px;padding:22px;}
  .qa-item{grid-template-columns:1fr;}
  .qa-item .q-mark{display:none;}
}