/* roulang page: index */
:root{
  --brand:#1C5D99;
  --brand-dark:#164A7A;
  --brand-soft:#E8F0F8;
  --brand-faint:#F3F7FB;
  --accent:#FF7A3D;
  --text:#16202B;
  --text-2:#5A6672;
  --text-3:#8A949F;
  --bg:#F6F7F5;
  --card:#FFFFFF;
  --line:#E4E8EC;
  --line-2:#D7DFE7;
  --footer-bg:#EDF1F5;
  --ok:#2E9E6B;
  --warn:#D9822B;
  --err:#C8433A;
  --r-sm:8px;
  --r-card:14px;
  --r-lg:20px;
  --r-btn:10px;
  --sh:0 1px 2px rgba(22,32,43,.04), 0 8px 24px rgba(22,32,43,.06);
  --sh-hover:0 12px 32px rgba(22,32,43,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;}
input,textarea{font-family:inherit;}
svg{display:block;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
h1{font-size:clamp(30px,4.4vw,48px);line-height:1.22;font-weight:700;letter-spacing:0;}
h2{font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:700;letter-spacing:0;}
h3{font-size:20px;line-height:1.45;font-weight:600;}
p{font-size:16px;line-height:1.85;}
.lead{font-size:17px;color:var(--text-2);}

/* ===== 顶栏公告 ===== */
.notice-bar{
  background:var(--brand-soft);
  border-bottom:1px solid rgba(28,93,153,.12);
}
.notice-bar__inner{
  display:flex;align-items:center;justify-content:center;gap:12px;
  min-height:36px;padding:6px 44px 6px 24px;position:relative;
  font-size:13px;line-height:1.6;color:var(--brand-dark);
}
.notice-bar__tag{
  display:inline-flex;align-items:center;gap:6px;
  background:#fff;color:var(--brand);
  border-radius:999px;padding:2px 10px;font-size:12px;font-weight:600;white-space:nowrap;
}
.notice-bar__dot{width:6px;height:6px;border-radius:50%;background:var(--accent);}
.notice-bar__close{
  position:absolute;right:12px;top:50%;transform:translateY(-50%);
  width:24px;height:24px;border:0;border-radius:6px;background:transparent;
  color:var(--brand-dark);display:inline-flex;align-items:center;justify-content:center;
  transition:background .16s var(--ease);
}
.notice-bar__close:hover{background:rgba(28,93,153,.12);}
.notice-bar.is-hidden{display:none;}

/* ===== 导航 ===== */
.site-header{position:sticky;top:0;z-index:80;padding:12px 0;}
.nav-panel{
  display:flex;align-items:center;gap:18px;
  min-height:76px;padding:10px 16px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh);
  transition:box-shadow .18s var(--ease);
}
.site-header.is-scrolled .nav-panel{box-shadow:var(--sh-hover);}
.nav-brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.nav-brand__mark{
  width:34px;height:34px;border-radius:9px;background:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;color:#fff;flex-shrink:0;
}
.nav-brand__mark svg{width:20px;height:20px;}
.nav-brand__text{font-size:18px;font-weight:800;color:var(--text);letter-spacing:0;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:8px;margin-left:12px;}
.nav-links a{
  display:inline-flex;align-items:center;gap:6px;
  padding:10px 12px;border-radius:var(--r-sm);
  background:var(--brand-faint);
  font-size:14px;font-weight:500;color:var(--text-2);
  transition:background .16s var(--ease),color .16s var(--ease);
  position:relative;
}
.nav-links a:hover{background:var(--brand-soft);color:var(--brand);}
.nav-links a.is-active{background:var(--brand-soft);color:var(--brand);font-weight:600;}
.nav-links a.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:5px;height:2px;
  border-radius:2px;background:var(--brand);
}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-sm);
  border:1px solid var(--line-2);background:#fff;color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;
  transition:border-color .16s var(--ease),background .16s var(--ease);
}
.icon-btn:hover{border-color:var(--brand);background:var(--brand-faint);}
.icon-btn svg{width:18px;height:18px;}
.nav-toggle{display:none;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  transition:transform .16s var(--ease),background .16s var(--ease),box-shadow .16s var(--ease),border-color .16s var(--ease),color .16s var(--ease);
}
.btn:hover{transform:translateY(-1px);}
.btn:active{transform:translateY(0);}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.btn--primary{background:var(--brand);color:#fff;}
.btn--primary:hover{background:var(--brand-dark);box-shadow:var(--sh-hover);}
.btn--ghost{background:#fff;color:var(--brand);border-color:var(--line-2);}
.btn--ghost:hover{border-color:var(--brand);background:var(--brand-faint);}
.btn--accent{background:var(--accent);color:#fff;}
.btn--accent:hover{background:#e96a30;box-shadow:var(--sh-hover);}
.btn--sm{height:40px;padding:0 18px;font-size:14px;}
.btn--block{width:100%;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:14px;font-weight:600;
  padding-bottom:2px;
  background-image:linear-gradient(var(--brand),var(--brand));
  background-repeat:no-repeat;background-position:0 100%;background-size:0 2px;
  transition:background-size .18s var(--ease);
}
.link-more:hover{background-size:100% 2px;}

/* 移动端抽屉 */
.mobile-menu{
  position:absolute;left:0;right:0;top:calc(100% + 8px);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-hover);padding:16px;display:none;
}
.mobile-menu.is-open{display:block;}
.mobile-menu__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;}
.mobile-menu__grid a{
  display:block;padding:12px;border-radius:var(--r-sm);background:var(--brand-faint);
  font-size:14px;font-weight:500;color:var(--text-2);
}
.mobile-menu__grid a.is-active{background:var(--brand-soft);color:var(--brand);font-weight:600;}
.mobile-menu__cta{margin-top:14px;}

/* ===== Hero ===== */
.hero{padding:56px 0 88px;}
.hero__grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand-soft);color:var(--brand);
  border-radius:999px;padding:5px 14px;font-size:13px;font-weight:600;
}
.badge__dot{width:7px;height:7px;border-radius:50%;background:var(--accent);}
.hero h1{margin-top:20px;}
.hero__sub{margin-top:16px;font-size:17px;color:var(--text-2);max-width:30em;}
.hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero__trust{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:26px;font-size:13px;color:var(--text-3);
}
.hero__trust span{display:inline-flex;align-items:center;gap:10px;}
.hero__trust span::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--text-3);}
.hero__trust span:first-child::before{display:none;}
.hero-visual{position:relative;}
.hero-visual__frame{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--sh);background:var(--brand-faint);
}
.hero-visual__frame img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.hero-stat{
  position:absolute;right:-8px;bottom:-20px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-hover);padding:16px 18px;display:flex;gap:22px;
}
.hero-stat__item{min-width:82px;}
.hero-stat__value{font-size:22px;font-weight:700;color:var(--brand);line-height:1.2;}
.hero-stat__label{font-size:12px;color:var(--text-3);margin-top:4px;}

/* ===== 品牌主张 ===== */
.claim{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.claim__inner{
  display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:48px;align-items:start;
}
.claim__body p{margin-top:16px;color:var(--text-2);}
.claim__aside{
  border-left:1px solid var(--line);padding-left:32px;
  font-size:14px;color:var(--text-3);line-height:1.9;
}
.claim__aside strong{display:block;color:var(--text);font-size:15px;margin-bottom:6px;}

/* ===== 故事 / 理念 ===== */
.story{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.story__list{display:flex;flex-direction:column;gap:28px;}
.story__item{display:grid;grid-template-columns:88px 1fr;gap:18px;align-items:start;}
.story__num{
  font-size:64px;line-height:.9;font-weight:700;color:rgba(28,93,153,.16);
}
.story__item h3{margin-bottom:6px;}
.story__item p{font-size:15px;color:var(--text-2);}
.story__media{
  border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--sh);background:var(--brand-faint);
}
.story__media img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.story__caption{margin-top:10px;font-size:12px;color:var(--text-3);text-align:center;}

/* ===== 精选内容 ===== */
.featured{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;
}
.section-head p{margin-top:8px;color:var(--text-2);font-size:15px;}
.featured__grid{display:grid;grid-template-columns:2fr 1fr;gap:24px;}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh);overflow:hidden;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);}
.featured-main{display:flex;flex-direction:column;}
.featured-main__img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--brand-faint);}
.featured-main__body{padding:24px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--brand-soft);color:var(--brand);
  border-radius:999px;padding:4px 10px;font-size:11px;font-weight:600;line-height:1.5;
}
.chip--soft{background:var(--brand-faint);color:var(--brand);}
.featured-main h3{margin-top:14px;font-size:22px;}
.featured-main p{margin-top:10px;color:var(--text-2);font-size:15px;}
.meta{margin-top:16px;font-size:13px;color:var(--text-3);display:flex;align-items:center;gap:8px;}
.featured-side{display:flex;flex-direction:column;gap:24px;}
.mini-card{display:grid;grid-template-columns:96px 1fr;gap:14px;padding:14px;align-items:center;height:100%;}
.mini-card__img{
  width:96px;height:72px;border-radius:10px;object-fit:cover;background:var(--brand-faint);
}
.mini-card h3{font-size:15px;line-height:1.5;margin-top:6px;}
.mini-card .meta{margin-top:8px;}

/* ===== CMS 列表 ===== */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{display:flex;flex-direction:column;height:100%;}
.post-card a.post-card__link{display:flex;flex-direction:column;height:100%;padding:16px;}
.post-card__cover{
  width:100%;aspect-ratio:16/10;border-radius:10px;overflow:hidden;background:var(--brand-faint);
  display:flex;align-items:center;justify-content:center;color:var(--brand);font-size:13px;
}
.post-card__cover img{width:100%;height:100%;object-fit:cover;}
.post-card__body{padding-top:16px;display:flex;flex-direction:column;flex:1;}
.post-card__title{
  margin-top:10px;font-size:16px;font-weight:600;line-height:1.5;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card__excerpt{
  margin-top:8px;font-size:14px;line-height:1.7;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card__foot{
  margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}
.post-card__arrow{color:var(--brand);transition:transform .16s var(--ease);}
.post-card:hover .post-card__arrow{transform:translateX(2px);}
.empty-state{
  border:1px dashed var(--line-2);background:var(--brand-faint);border-radius:var(--r-card);
  min-height:180px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:12px;padding:32px;text-align:center;
}
.empty-state p{font-size:14px;color:var(--text-2);}

/* ===== 信任背书 ===== */
.trust{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.brand-strip{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  padding:18px 20px;border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--brand-faint);margin-bottom:40px;
}
.brand-strip__label{font-size:13px;color:var(--text-3);margin-right:6px;}
.brand-strip__item{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  font-size:13px;color:var(--text-2);
}
.brand-strip__item svg{width:14px;height:14px;color:var(--brand);}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;}
.stat__value{font-size:34px;font-weight:700;line-height:1.1;color:var(--brand);}
.stat__value small{font-size:15px;font-weight:600;margin-left:4px;color:var(--text-2);}
.stat__label{margin-top:8px;font-size:13px;color:var(--text-3);}

/* ===== 订阅 CTA ===== */
.cta-card{
  background:var(--brand-soft);border:1px solid rgba(28,93,153,.14);
  border-radius:var(--r-lg);padding:40px;
  display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;
}
.cta-card h2{max-width:16em;}
.cta-card p{margin-top:12px;color:var(--text-2);font-size:15px;}
.form-row{display:flex;gap:12px;}
.field{width:100%;}
.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:6px;}
.field input{
  width:100%;height:46px;padding:0 14px;font-size:15px;color:var(--text);
  background:#fff;border:1px solid var(--line-2);border-radius:var(--r-btn);
  transition:border-color .16s var(--ease),box-shadow .16s var(--ease);
}
.field input:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(28,93,153,.12);
}
.consent{
  display:flex;align-items:flex-start;gap:8px;margin-top:12px;font-size:12px;color:var(--text-2);
}
.consent input{margin-top:3px;accent-color:var(--brand);width:14px;height:14px;}
.form-note{margin-top:10px;font-size:12px;color:var(--text-3);}

/* ===== FAQ ===== */
.faq{max-width:820px;margin:0 auto;}
.faq__item{
  background:var(--card);border:1px solid var(--line);border-radius:12px;
  margin-bottom:12px;overflow:hidden;transition:border-color .16s var(--ease);
}
.faq__item.is-open{border-color:rgba(28,93,153,.35);}
.faq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;background:transparent;border:0;text-align:left;
  font-size:16px;font-weight:600;color:var(--text);line-height:1.5;
}
.faq__item.is-open .faq__q{color:var(--brand);}
.faq__icon{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line-2);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;
  transition:transform .18s var(--ease),background .16s var(--ease),border-color .16s var(--ease);
}
.faq__item.is-open .faq__icon{transform:rotate(45deg);background:var(--brand-soft);border-color:rgba(28,93,153,.3);}
.faq__icon svg{width:14px;height:14px;}
.faq__a{max-height:0;overflow:hidden;transition:max-height .18s var(--ease);}
.faq__a p{padding:0 20px 20px;font-size:15px;color:var(--text-2);}

/* ===== 页脚 ===== */
.site-footer{background:var(--footer-bg);border-top:1px solid var(--line);padding:64px 0 28px;margin-top:88px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand__mark{
  width:32px;height:32px;border-radius:8px;background:var(--brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
}
.footer-brand__mark svg{width:18px;height:18px;}
.footer-brand__text{font-size:17px;font-weight:800;color:var(--text);}
.site-footer p,.site-footer a{font-size:14px;line-height:1.9;color:var(--text-2);}
.footer-col h4{font-size:14px;font-weight:700;color:var(--text);margin-bottom:14px;}
.footer-col ul li{margin-bottom:8px;}
.footer-col ul li a{transition:color .16s var(--ease);}
.footer-col ul li a:hover{color:var(--brand);}
.footer-keyword{
  margin-top:14px;display:inline-flex;align-items:center;gap:6px;
  font-size:13px;color:var(--brand);background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:4px 12px;
}
.footer-form{display:flex;gap:8px;margin-top:12px;}
.footer-form input{
  flex:1;min-width:0;height:42px;padding:0 12px;font-size:14px;color:var(--text);
  background:#fff;border:1px solid var(--line-2);border-radius:var(--r-btn);
}
.footer-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(28,93,153,.12);}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(22,32,43,.08);
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}
.footer-bottom__links{display:flex;gap:18px;}
.footer-bottom__links a{font-size:13px;color:var(--text-3);}
.footer-bottom__links a:hover{color:var(--brand);}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .hero{gap:40px;}
  .hero__grid{gap:36px;}
  .post-grid{gap:20px;}
}
@media (max-width:1023px){
  .section{padding:64px 0;}
  .hero{padding:40px 0 64px;}
  .hero__grid{grid-template-columns:1fr;gap:40px;}
  .hero-visual{order:2;}
  .hero-stat{right:12px;bottom:-16px;}
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-actions .btn--primary{display:none;}
  .claim__inner{grid-template-columns:1fr;gap:28px;}
  .claim__aside{border-left:0;border-top:1px solid var(--line);padding-left:0;padding-top:20px;}
  .story{grid-template-columns:1fr;gap:32px;}
  .featured__grid{grid-template-columns:1fr;}
  .featured-side{flex-direction:row;}
  .featured-side .card{flex:1;}
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .stats{grid-template-columns:repeat(2,1fr);}
  .cta-card{grid-template-columns:1fr;padding:32px;gap:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .site-footer{margin-top:64px;}
}
@media (max-width:640px){
  .container{padding:0 20px;}
  .section{padding:52px 0;}
  .hero{padding:28px 0 52px;}
  h1{font-size:30px;}
  .hero__actions .btn{flex:1 1 100%;}
  .hero-stat{position:static;margin-top:16px;right:auto;bottom:auto;justify-content:space-between;}
  .story__item{grid-template-columns:64px 1fr;gap:14px;}
  .story__num{font-size:48px;}
  .featured-side{flex-direction:column;}
  .post-grid{grid-template-columns:1fr;}
  .stats{grid-template-columns:1fr 1fr;gap:14px;}
  .stat{padding:18px;}
  .stat__value{font-size:26px;}
  .brand-strip{gap:10px;padding:14px;}
  .cta-card{padding:24px;}
  .form-row{flex-direction:column;}
  .form-row .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .mini-card{grid-template-columns:80px 1fr;}
  .mini-card__img{width:80px;height:64px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;}
  .btn:hover,.card:hover{transform:none;}
}

/* roulang page: category1 */
:root{
  --c-primary:#1C5D99;
  --c-primary-dark:#164A7A;
  --c-primary-soft:#E8F0F8;
  --c-primary-faint:#F3F7FB;
  --c-accent:#FF7A3D;
  --c-text:#16202B;
  --c-text-2:#5A6672;
  --c-text-3:#8A949F;
  --c-bg:#F6F7F5;
  --c-card:#FFFFFF;
  --c-line:#E4E8EC;
  --c-line-strong:#D7DFE7;
  --c-footer:#EDF1F5;
  --c-success:#2E9E6B;
  --c-warning:#D9822B;
  --c-danger:#C8433A;
  --r-sm:8px;
  --r-card:14px;
  --r-lg:20px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-rest:0 1px 2px rgba(22,32,43,.04),0 8px 24px rgba(22,32,43,.06);
  --sh-hover:0 12px 32px rgba(22,32,43,.10);
  --w-container:1200px;
  --t-fast:150ms ease-out;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t-fast);}
a:hover{color:var(--c-primary-dark);}
img{max-width:100%;display:block;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.container{
  width:100%;
  max-width:var(--w-container);
  margin:0 auto;
  padding:0 24px;
}
.section{padding:88px 0;}
.section--tight{padding:56px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:32px;
  flex-wrap:wrap;
}
.section-title{
  font-size:clamp(24px,3vw,34px);
  line-height:1.3;
  font-weight:700;
  letter-spacing:0;
}
.section-sub{
  margin-top:12px;
  font-size:15px;
  color:var(--c-text-2);
  max-width:600px;
}
.link-more{
  font-size:14px;
  font-weight:600;
  padding-bottom:2px;
  background:linear-gradient(var(--c-primary),var(--c-primary)) no-repeat left bottom;
  background-size:0 2px;
  transition:background-size var(--t-fast),color var(--t-fast);
}
.link-more:hover{background-size:100% 2px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  padding:12px 0;
  background:var(--c-bg);
}
.nav-panel{
  max-width:var(--w-container);
  margin:0 auto;
  min-height:76px;
  padding:10px 16px;
  display:flex;
  align-items:center;
  gap:20px;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-rest);
  position:relative;
}
.nav-brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  color:var(--c-text);
}
.nav-brand__mark{
  width:32px;
  height:32px;
  border-radius:10px;
  background:var(--c-primary);
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
}
.nav-brand__mark svg{width:19px;height:19px;}
.nav-brand__text{
  font-size:19px;
  font-weight:800;
  letter-spacing:0;
  white-space:nowrap;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:8px;
  margin-left:8px;
  flex:1;
  flex-wrap:wrap;
}
.nav-links a{
  display:inline-flex;
  align-items:center;
  padding:9px 14px;
  font-size:14px;
  font-weight:600;
  color:var(--c-text-2);
  background:var(--c-primary-faint);
  border-radius:var(--r-btn);
  border-bottom:2px solid transparent;
  transition:background var(--t-fast),color var(--t-fast),border-color var(--t-fast);
  white-space:nowrap;
}
.nav-links a:hover{
  background:var(--c-primary-soft);
  color:var(--c-primary);
}
.nav-links a.is-active{
  background:var(--c-primary-soft);
  color:var(--c-primary);
  border-bottom-color:var(--c-primary);
}
.nav-actions{
  display:flex;
  align-items:center;
  gap:10px;
  margin-left:auto;
  flex-shrink:0;
}
.icon-btn{
  width:40px;
  height:40px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:var(--r-btn);
  border:1px solid var(--c-line-strong);
  background:#fff;
  color:var(--c-text-2);
  cursor:pointer;
  transition:border-color var(--t-fast),color var(--t-fast),background var(--t-fast);
}
.icon-btn svg{width:18px;height:18px;}
.icon-btn:hover{
  border-color:var(--c-primary);
  color:var(--c-primary);
  background:var(--c-primary-faint);
}
.nav-toggle{display:none;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  font-size:15px;
  font-weight:600;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  cursor:pointer;
  text-decoration:none;
  transition:transform var(--t-fast),background var(--t-fast),border-color var(--t-fast),color var(--t-fast),box-shadow var(--t-fast);
}
.btn--primary{
  background:var(--c-primary);
  color:#fff;
  box-shadow:0 6px 16px rgba(28,93,153,.16);
}
.btn--primary:hover{
  background:var(--c-primary-dark);
  color:#fff;
  transform:translateY(-1px);
  box-shadow:var(--sh-hover);
}
.btn--primary:active{transform:translateY(0);}
.btn--outline{
  background:#fff;
  color:var(--c-primary);
  border-color:var(--c-line-strong);
}
.btn--outline:hover{
  border-color:var(--c-primary);
  background:var(--c-primary-faint);
  color:var(--c-primary-dark);
}
.btn--accent{
  background:var(--c-accent);
  color:#fff;
  box-shadow:0 6px 16px rgba(255,122,61,.20);
}
.btn--accent:hover{
  background:#E96A2E;
  color:#fff;
  transform:translateY(-1px);
  box-shadow:var(--sh-hover);
}
.btn--sm{
  height:38px;
  padding:0 16px;
  font-size:14px;
  border-radius:var(--r-btn);
}
.btn:disabled{background:#DCE1E6;color:#98A2AC;box-shadow:none;cursor:not-allowed;transform:none;}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  padding:20px 0 0;
  font-size:13px;
  color:var(--c-text-3);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:6px;
}
.breadcrumb a{color:var(--c-text-3);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb span.sep{color:#C4CDD6;}
.breadcrumb .current{color:var(--c-text-2);}

/* ---------- 分类页头 ---------- */
.page-hero{padding:28px 0 0;}
.page-hero__inner{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:48px;
  align-items:center;
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  font-size:12px;
  font-weight:600;
  border-radius:var(--r-pill);
  background:var(--c-primary-soft);
  color:var(--c-primary);
}
.badge--accent{
  background:rgba(255,122,61,.12);
  color:#D8621F;
}
.page-hero h1{
  font-size:clamp(30px,4.4vw,44px);
  line-height:1.22;
  font-weight:700;
  margin:16px 0 0;
}
.page-hero__lead{
  margin-top:16px;
  font-size:16px;
  line-height:1.85;
  color:var(--c-text-2);
  max-width:34em;
}
.page-hero__actions{
  margin-top:28px;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}
.page-hero__meta{
  margin-top:22px;
  display:flex;
  flex-wrap:wrap;
  gap:8px 18px;
  font-size:13px;
  color:var(--c-text-3);
}
.page-hero__meta span{display:inline-flex;align-items:center;gap:6px;}
.dot{width:5px;height:5px;border-radius:50%;background:#B9C4CE;display:inline-block;}
.page-hero__media{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  background:var(--c-primary-soft);
  box-shadow:var(--sh-rest);
  aspect-ratio:16/11;
}
.page-hero__media img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.page-hero__float{
  position:absolute;
  right:16px;
  bottom:16px;
  background:#fff;
  border-radius:var(--r-card);
  box-shadow:var(--sh-hover);
  padding:14px 18px;
  display:flex;
  gap:22px;
}
.page-hero__float b{
  display:block;
  font-size:22px;
  line-height:1.2;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  color:var(--c-primary);
}
.page-hero__float small{
  font-size:12px;
  color:var(--c-text-3);
  line-height:1.6;
}

/* ---------- 要点速览 ---------- */
.highlight-bar{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
  background:var(--c-primary-soft);
  border-radius:var(--r-lg);
  padding:20px;
}
.highlight-bar__item{
  display:flex;
  gap:12px;
  align-items:flex-start;
  background:#fff;
  border-radius:var(--r-card);
  padding:14px 16px;
  box-shadow:var(--sh-rest);
}
.highlight-bar__num{
  flex-shrink:0;
  width:26px;
  height:26px;
  border-radius:50%;
  background:var(--c-primary);
  color:#fff;
  font-size:13px;
  font-weight:700;
  display:flex;
  align-items:center;
  justify-content:center;
  font-variant-numeric:tabular-nums;
}
.highlight-bar__text{
  font-size:14px;
  line-height:1.6;
  color:var(--c-text-2);
}
.highlight-bar__text strong{
  display:block;
  font-size:14px;
  color:var(--c-text);
  font-weight:600;
  margin-bottom:2px;
}

/* ---------- 时间线 ---------- */
.timeline{
  position:relative;
  margin-top:8px;
}
.timeline::before{
  content:"";
  position:absolute;
  left:112px;
  top:10px;
  bottom:10px;
  width:1px;
  background:var(--c-line);
}
.timeline__item{
  position:relative;
  display:grid;
  grid-template-columns:100px 1fr;
  gap:44px;
  padding-bottom:24px;
}
.timeline__item::before{
  content:"";
  position:absolute;
  left:105px;
  top:26px;
  width:15px;
  height:15px;
  border-radius:50%;
  background:#fff;
  border:3px solid var(--c-primary);
  box-shadow:0 0 0 4px var(--c-primary-faint);
}
.timeline__meta{
  padding-top:20px;
  text-align:right;
}
.timeline__year{
  display:block;
  font-size:12px;
  color:var(--c-text-3);
  font-variant-numeric:tabular-nums;
  letter-spacing:.04em;
}
.timeline__month{
  display:block;
  font-size:24px;
  font-weight:700;
  color:var(--c-primary);
  line-height:1.2;
  font-variant-numeric:tabular-nums;
}
.timeline__card{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--sh-rest);
  transition:transform var(--t-fast),box-shadow var(--t-fast),border-color var(--t-fast);
}
.timeline__card:hover{
  transform:translateY(-2px);
  box-shadow:var(--sh-hover);
  border-color:var(--c-line-strong);
}
.timeline__card h3{
  font-size:18px;
  font-weight:600;
  line-height:1.45;
  margin-bottom:10px;
}
.timeline__card p{
  font-size:14px;
  line-height:1.8;
  color:var(--c-text-2);
}
.timeline__link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-top:14px;
  font-size:14px;
  font-weight:600;
  color:var(--c-primary);
}
.timeline__link svg{width:15px;height:15px;transition:transform var(--t-fast);}
.timeline__link:hover svg{transform:translateX(2px);}
.timeline__tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-bottom:12px;
}
.tag{
  display:inline-flex;
  align-items:center;
  padding:3px 10px;
  font-size:11px;
  font-weight:600;
  border-radius:var(--r-pill);
  background:var(--c-primary-faint);
  color:var(--c-text-2);
  border:1px solid var(--c-line);
}

/* ---------- 图文区块 ---------- */
.feature-split{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:40px;
  align-items:center;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:32px;
  box-shadow:var(--sh-rest);
}
.feature-split__media{
  border-radius:var(--r-card);
  overflow:hidden;
  aspect-ratio:16/10;
  background:var(--c-primary-soft);
}
.feature-split__media img{width:100%;height:100%;object-fit:cover;}
.feature-split h2{
  font-size:clamp(22px,2.6vw,28px);
  line-height:1.32;
  font-weight:700;
}
.feature-split p{
  margin-top:14px;
  font-size:15px;
  color:var(--c-text-2);
}
.feature-list{
  margin-top:20px;
  display:grid;
  gap:12px;
}
.feature-list li{
  display:flex;
  gap:10px;
  font-size:14px;
  color:var(--c-text-2);
}
.feature-list li::before{
  content:"";
  flex-shrink:0;
  width:7px;
  height:7px;
  margin-top:8px;
  border-radius:50%;
  background:var(--c-accent);
}

/* ---------- FAQ ---------- */
.faq{
  max-width:820px;
  margin:0 auto;
}
.faq__item{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color var(--t-fast),box-shadow var(--t-fast);
}
.faq__item.is-open{
  border-color:var(--c-primary);
  box-shadow:var(--sh-rest);
}
.faq__q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 20px;
  background:none;
  border:0;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--c-text);
  cursor:pointer;
  line-height:1.6;
}
.faq__item.is-open .faq__q{color:var(--c-primary);}
.faq__icon{
  flex-shrink:0;
  width:26px;
  height:26px;
  border-radius:50%;
  border:1px solid var(--c-line-strong);
  color:var(--c-text-2);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:16px;
  line-height:1;
  transition:transform var(--t-fast),background var(--t-fast),color var(--t-fast),border-color var(--t-fast);
}
.faq__item.is-open .faq__icon{
  transform:rotate(45deg);
  background:var(--c-primary);
  border-color:var(--c-primary);
  color:#fff;
}
.faq__a{
  max-height:0;
  overflow:hidden;
  transition:max-height 160ms ease-out;
}
.faq__a p{
  padding:0 20px 20px;
  font-size:15px;
  line-height:1.85;
  color:var(--c-text-2);
}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--c-primary-soft);
  border-radius:var(--r-lg);
  padding:36px;
  display:grid;
  grid-template-columns:1.1fr 1fr;
  gap:32px;
  align-items:center;
}
.cta-band h2{
  font-size:clamp(22px,2.6vw,28px);
  line-height:1.32;
  font-weight:700;
}
.cta-band p{
  margin-top:12px;
  font-size:15px;
  color:var(--c-text-2);
}
.cta-form{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.cta-form input[type="email"]{
  flex:1 1 220px;
  height:46px;
  padding:0 14px;
  font-size:15px;
  color:var(--c-text);
  background:#fff;
  border:1px solid var(--c-line-strong);
  border-radius:var(--r-btn);
  transition:border-color var(--t-fast),box-shadow var(--t-fast);
}
.cta-form input[type="email"]:focus{
  outline:none;
  border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(28,93,153,.12);
}
.cta-form .btn{flex:0 0 auto;}
.cta-note{
  flex-basis:100%;
  display:flex;
  align-items:flex-start;
  gap:8px;
  font-size:12px;
  line-height:1.6;
  color:var(--c-text-3);
  margin-top:4px;
}
.cta-note input{margin-top:3px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-footer);
  padding:64px 0 28px;
  margin-top:88px;
  color:var(--c-text-2);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
}
.footer-brand__mark{
  width:30px;
  height:30px;
  border-radius:9px;
  background:var(--c-primary);
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
}
.footer-brand__mark svg{width:17px;height:17px;}
.footer-brand__text{
  font-size:18px;
  font-weight:800;
  color:var(--c-text);
}
.site-footer p{
  font-size:14px;
  line-height:1.9;
  color:var(--c-text-2);
}
.footer-keyword{
  display:inline-block;
  margin-top:12px;
  font-size:13px;
  color:var(--c-primary);
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  padding:3px 12px;
}
.footer-col h4{
  font-size:15px;
  font-weight:700;
  color:var(--c-text);
  margin-bottom:14px;
}
.footer-col ul li{margin-bottom:8px;}
.footer-col ul li a{
  font-size:14px;
  color:var(--c-text-2);
}
.footer-col ul li a:hover{color:var(--c-primary);}
.footer-form{
  display:flex;
  gap:8px;
  margin-top:12px;
}
.footer-form input{
  flex:1;
  min-width:0;
  height:38px;
  padding:0 12px;
  font-size:14px;
  border:1px solid var(--c-line-strong);
  border-radius:var(--r-btn);
  background:#fff;
  color:var(--c-text);
}
.footer-form input:focus{
  outline:none;
  border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(28,93,153,.12);
}
.footer-bottom{
  margin-top:40px;
  padding-top:20px;
  border-top:1px solid #DCE3EA;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  font-size:13px;
  color:var(--c-text-3);
}
.footer-bottom__links{display:flex;gap:18px;}
.footer-bottom__links a{color:var(--c-text-3);font-size:13px;}
.footer-bottom__links a:hover{color:var(--c-primary);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .page-hero__inner{gap:36px;}
  .timeline::before{left:96px;}
  .timeline__item{grid-template-columns:88px 1fr;gap:32px;}
  .timeline__item::before{left:89px;}
}
@media (max-width:1023px){
  .section{padding:64px 0;}
  .page-hero__inner{grid-template-columns:1fr;gap:28px;}
  .page-hero__media{aspect-ratio:16/9;}
  .highlight-bar{grid-template-columns:repeat(2,1fr);}
  .feature-split{grid-template-columns:1fr;gap:24px;}
  .cta-band{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .nav-links{
    position:absolute;
    top:calc(100% + 10px);
    left:0;
    right:0;
    margin-left:0;
    display:none;
    grid-template-columns:1fr 1fr;
    gap:10px;
    padding:16px;
    background:#fff;
    border:1px solid var(--c-line);
    border-radius:var(--r-lg);
    box-shadow:var(--sh-hover);
    z-index:70;
  }
  .nav-panel.is-open .nav-links{display:grid;}
  .nav-links a{
    padding:12px 14px;
    background:var(--c-primary-faint);
    border-bottom:0;
  }
  .nav-links a.is-active{
    border:1px solid var(--c-primary);
    background:var(--c-primary-soft);
    color:var(--c-primary);
  }
  .nav-toggle{display:inline-flex;}
  .nav-actions .btn--sm{display:none;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .section{padding:52px 0;}
  .site-footer{margin-top:52px;padding-top:48px;}
  .timeline::before{display:none;}
  .timeline__item{
    grid-template-columns:1fr;
    gap:10px;
    padding-bottom:20px;
  }
  .timeline__item::before{display:none;}
  .timeline__meta{
    text-align:left;
    padding-top:0;
    display:flex;
    align-items:baseline;
    gap:8px;
  }
  .timeline__month{font-size:20px;}
  .timeline__card{padding:20px;}
  .highlight-bar{grid-template-columns:1fr;}
  .cta-form .btn{flex:1 1 100%;}
  .page-hero__float{position:static;margin:14px;box-shadow:var(--sh-rest);}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .nav-brand__text{font-size:17px;}
  .page-hero h1{font-size:28px;}
  .btn{width:100%;}
  .page-hero__actions{gap:10px;}
  .page-hero__actions .btn{width:100%;}
  .feature-split{padding:20px;}
  .cta-band{padding:24px;}
  .footer-form{flex-direction:column;}
  .footer-form .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;}
  .btn:hover,.timeline__card:hover{transform:none;}
}

/* roulang page: article */
:root{
  --blue:#1C5D99;
  --blue-dark:#164A7A;
  --blue-soft:#E8F0F8;
  --blue-mist:#F3F7FB;
  --orange:#FF7A3D;
  --orange-deep:#D9601F;
  --text:#16202B;
  --text-2:#5A6672;
  --text-3:#8A949F;
  --white:#FFFFFF;
  --bg:#F6F7F5;
  --card:#FFFFFF;
  --line:#E4E8EC;
  --footer-bg:#EDF1F5;
  --ok:#2E9E6B;
  --warn:#D9822B;
  --err:#C8433A;
  --r-sm:8px;
  --r-card:14px;
  --r-lg:20px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(22,32,43,.04), 0 8px 24px rgba(22,32,43,.06);
  --sh-2:0 12px 32px rgba(22,32,43,.10);
  --gap:24px;
  --section:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--blue);text-decoration:none;transition:color .16s ease-out}
a:hover{color:var(--blue-dark)}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:background .16s ease-out,color .16s ease-out,border-color .16s ease-out,box-shadow .16s ease-out,transform .16s ease-out;
}
.btn--primary{background:var(--blue);color:#fff}
.btn--primary:hover{background:var(--blue-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn--primary:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn--outline{background:#fff;border-color:#D7DFE7;color:var(--blue)}
.btn--outline:hover{border-color:var(--blue);background:var(--blue-mist);color:var(--blue)}
.btn--sm{height:38px;padding:0 16px;font-size:14px;border-radius:var(--r-btn)}
.btn--block{width:100%}
.btn[disabled]{background:#DDE3E9;color:#8A949F;cursor:not-allowed;transform:none;box-shadow:none}
.icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-btn);border:1px solid #D7DFE7;background:#fff;color:var(--text-2);
  cursor:pointer;transition:background .16s ease-out,color .16s ease-out,border-color .16s ease-out;
}
.icon-btn svg{width:18px;height:18px}
.icon-btn:hover{border-color:var(--blue);color:var(--blue);background:var(--blue-mist)}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:var(--r-pill);
  background:var(--blue-soft);color:var(--blue);
  font-size:11px;font-weight:600;letter-spacing:.02em;
}
.badge--orange{background:rgba(255,122,61,.12);color:var(--orange-deep)}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;padding:12px 0;background:var(--bg)}
.nav-panel{
  position:relative;display:flex;align-items:center;justify-content:space-between;gap:20px;
  height:76px;padding:0 20px;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);
  transition:box-shadow .18s ease-out;
}
.nav-panel.is-scrolled{box-shadow:var(--sh-2)}
.nav-brand{display:flex;align-items:center;gap:10px;color:var(--text)}
.nav-brand:hover{color:var(--text)}
.nav-brand__mark{
  width:30px;height:30px;border-radius:9px;background:var(--blue);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.nav-brand__mark svg{width:18px;height:18px}
.nav-brand__text{font-size:18px;font-weight:800;letter-spacing:.01em}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{
  display:inline-flex;align-items:center;height:38px;padding:0 14px;border-radius:var(--r-btn);
  font-size:15px;font-weight:500;color:var(--text-2);
  transition:background .16s ease-out,color .16s ease-out;
}
.nav-links a:hover{background:var(--blue-mist);color:var(--blue)}
.nav-links a.is-active{background:var(--blue-soft);color:var(--blue);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{display:none}
.nav-scrim{
  position:fixed;inset:0;background:rgba(22,32,43,.36);
  opacity:0;visibility:hidden;transition:opacity .18s ease-out,visibility .18s ease-out;z-index:55;
}
.nav-scrim.is-on{opacity:1;visibility:visible}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:20px 0 0;font-size:13px;color:var(--text-3);
}
.breadcrumb a{color:var(--text-3)}
.breadcrumb a:hover{color:var(--blue)}
.breadcrumb .sep{color:#C7D0D9}
.breadcrumb .current{
  color:var(--text-2);max-width:62ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

/* ---------- 文章头部 ---------- */
.post-section{padding:8px 0 var(--section)}
.article-head{padding:26px 0 30px;max-width:860px}
.article-head h1{
  margin:14px 0 16px;
  font-size:clamp(28px,3.6vw,40px);line-height:1.26;font-weight:700;letter-spacing:0;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;
  font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;
}
.article-meta .dot{width:3px;height:3px;border-radius:50%;background:#C7D0D9}

/* ---------- 双栏布局 ---------- */
.layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:40px;align-items:start}
.article-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:40px 44px;
}

/* ---------- 正文排版 ---------- */
.article-body{font-size:16px;line-height:1.9;color:var(--text);overflow-wrap:anywhere}
.article-body p{margin:0 0 1.1em}
.article-body h2{
  font-size:24px;line-height:1.45;font-weight:700;
  margin:40px 0 16px;padding-left:14px;border-left:3px solid var(--blue);
}
.article-body h2:first-child{margin-top:0}
.article-body h3{font-size:19px;line-height:1.5;font-weight:600;margin:28px 0 12px}
.article-body h4{font-size:17px;font-weight:600;margin:22px 0 10px}
.article-body ul,.article-body ol{margin:0 0 1.1em;padding-left:24px}
.article-body li{margin:6px 0}
.article-body li::marker{color:var(--blue)}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;background:var(--blue-mist);
  border-left:3px solid #BFD6EA;border-radius:0 10px 10px 0;color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:12px;margin:24px auto;height:auto}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:12px;color:var(--text-3);text-align:center;margin-top:8px}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.article-body th{background:var(--blue-mist);font-weight:600}
.article-body tbody tr:nth-child(even){background:#FAFBFC}
.article-body a{color:var(--blue);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--blue-dark)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}
.article-body code{
  background:var(--blue-mist);border:1px solid var(--line);border-radius:6px;
  padding:1px 6px;font-size:14px;
}

/* ---------- 空态 ---------- */
.empty-state{
  text-align:center;padding:56px 24px;background:var(--blue-mist);
  border:1px dashed #C7D9E8;border-radius:var(--r-card);
}
.empty-state h2{font-size:20px;font-weight:700;margin-bottom:10px}
.empty-state p{font-size:14px;color:var(--text-2);margin-bottom:20px}

/* ---------- 侧栏 ---------- */
.side{position:sticky;top:104px;display:grid;gap:20px}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-1);
}
.side-card h2{
  display:flex;align-items:center;gap:8px;font-size:15px;font-weight:700;margin:0 0 14px;
}
.side-card h2::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--blue)}
.toc-list{list-style:none;display:grid;gap:2px}
.toc-list a{
  display:block;padding:8px 10px;border-radius:var(--r-sm);
  font-size:14px;color:var(--text-2);transition:background .16s ease-out,color .16s ease-out;
}
.toc-list a:hover{background:var(--blue-mist);color:var(--blue)}
.mini-list{list-style:none;display:grid;gap:14px}
.mini-item a{display:grid;grid-template-columns:64px minmax(0,1fr);gap:12px;color:var(--text)}
.mini-thumb{
  width:64px;height:64px;border-radius:10px;object-fit:cover;background:var(--blue-soft);
}
.mini-title{
  font-size:14px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .16s ease-out;
}
.mini-date{font-size:12px;color:var(--text-3);margin-top:6px;font-variant-numeric:tabular-nums}
.mini-item a:hover .mini-title{color:var(--blue)}
.side-note{font-size:13px;color:var(--text-2);line-height:1.8;margin:0 0 14px}

/* ---------- 上下篇 ---------- */
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px}
.post-nav a{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:16px 20px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  color:var(--text);box-shadow:var(--sh-1);
  transition:transform .16s ease-out,box-shadow .16s ease-out,color .16s ease-out;
}
.post-nav a:hover{transform:translateY(-2px);box-shadow:var(--sh-2);color:var(--blue)}
.post-nav small{display:block;font-size:12px;color:var(--text-3);margin-bottom:2px}
.post-nav strong{font-size:15px;font-weight:600}
.post-nav .arrow{color:var(--blue);font-size:18px;line-height:1}

/* ---------- 相关推荐 ---------- */
.related{padding:0 0 var(--section)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px}
.section-head h2{font-size:clamp(22px,2.6vw,28px);line-height:1.3;font-weight:700}
.section-head .more{font-size:14px;font-weight:600}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gap)}
.rel-card{
  display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;color:var(--text);box-shadow:var(--sh-1);
  transition:transform .16s ease-out,box-shadow .16s ease-out;
}
.rel-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);color:var(--text)}
.rel-card img{width:100%;aspect-ratio:16/10;object-fit:cover;background:var(--blue-soft)}
.rel-card__body{padding:20px}
.rel-card__body h3{
  margin:10px 0 8px;font-size:16px;line-height:1.5;font-weight:600;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-card__body p{
  margin:0;font-size:14px;line-height:1.7;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-meta{
  margin-top:14px;font-size:13px;color:var(--text-3);
  font-variant-numeric:tabular-nums;display:flex;align-items:center;gap:8px;
}

/* ---------- CTA ---------- */
.cta-band{
  display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center;
  background:var(--blue-soft);border-radius:var(--r-lg);padding:40px;margin-bottom:var(--section);
}
.cta-band h2{font-size:clamp(22px,2.6vw,28px);line-height:1.32;margin-bottom:10px}
.cta-band p{font-size:14px;color:var(--text-2);margin:0}
.cta-form{display:grid;gap:10px}
.field{display:grid;gap:6px}
.field label{font-size:13px;color:var(--text-2)}
.field input{
  height:46px;padding:0 14px;border-radius:var(--r-btn);border:1px solid #D7DFE7;
  background:#fff;font-size:15px;
  transition:border-color .16s ease-out,box-shadow .16s ease-out;
}
.field input:focus{
  outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(28,93,153,.12);
}
.checkbox{display:flex;align-items:flex-start;gap:8px;font-size:12px;line-height:1.7;color:var(--text-3)}
.checkbox input{margin-top:3px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--footer-bg);border-top:1px solid var(--line);padding:64px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand__mark{
  width:28px;height:28px;border-radius:8px;background:var(--blue);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.footer-brand__mark svg{width:16px;height:16px}
.footer-brand__text{font-size:17px;font-weight:800}
.site-footer p{font-size:14px;line-height:1.9;color:var(--text-2);margin:0 0 8px}
.footer-keyword{
  display:inline-block;margin-top:12px;padding:6px 12px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);font-size:13px;color:var(--blue);
}
.footer-col h4{font-size:14px;font-weight:700;margin:0 0 14px}
.footer-col ul{list-style:none;display:grid;gap:8px;font-size:14px}
.footer-col ul a{color:var(--text-2)}
.footer-col ul a:hover{color:var(--blue)}
.footer-form{display:flex;gap:8px;margin-top:12px}
.footer-form input{
  flex:1;min-width:0;height:38px;padding:0 12px;border-radius:var(--r-sm);
  border:1px solid #D7DFE7;background:#fff;font-size:14px;
  transition:border-color .16s ease-out,box-shadow .16s ease-out;
}
.footer-form input:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(28,93,153,.12)}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  margin-top:40px;padding-top:20px;border-top:1px solid #DCE3EA;
  font-size:13px;color:var(--text-3);
}
.footer-bottom__links{display:flex;gap:18px}
.footer-bottom__links a{color:var(--text-3)}
.footer-bottom__links a:hover{color:var(--blue)}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  :root{--section:64px}
  .nav-toggle{display:inline-flex}
  .nav-actions .icon-btn:not(.nav-toggle){display:none}
  .nav-links{
    position:absolute;top:calc(100% + 10px);left:0;right:0;z-index:58;
    display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:16px;
    background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
    box-shadow:var(--sh-2);
    opacity:0;visibility:hidden;transform:translateY(-6px);
    transition:opacity .18s ease-out,transform .18s ease-out,visibility .18s ease-out;
  }
  .nav-panel.is-open .nav-links{opacity:1;visibility:visible;transform:translateY(0)}
  .nav-links a{
    justify-content:center;height:44px;font-size:14px;color:var(--text-2);
    background:var(--blue-mist);border-radius:var(--r-btn);
  }
  .layout{grid-template-columns:minmax(0,1fr);gap:32px}
  .side{position:static}
  .side-card--toc{display:none}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-band{grid-template-columns:1fr;padding:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:640px){
  :root{--section:52px;--gap:16px}
  .container{padding:0 20px}
  .nav-panel{height:68px;padding:0 14px}
  .nav-brand__text{font-size:16px}
  .nav-actions .btn--sm{height:34px;padding:0 12px;font-size:13px}
  .nav-links{grid-template-columns:1fr}
  .article-head{padding:20px 0 24px}
  .article-card{padding:24px 20px}
  .article-body{font-size:16px;line-height:1.88}
  .article-body h2{font-size:21px;margin-top:32px}
  .article-body h3{font-size:18px}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap}
  .post-nav{grid-template-columns:1fr}
  .rel-grid{grid-template-columns:1fr}
  .cta-band{padding:24px;border-radius:var(--r-card)}
  .cta-form .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-form{flex-wrap:wrap}
  .footer-form .btn{width:100%}
  .breadcrumb .current{max-width:100%;white-space:normal}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important}
  .btn--primary:hover,.rel-card:hover,.post-nav a:hover{transform:none}
}

/* roulang page: category2 */
:root{
  --primary:#1C5D99;
  --primary-dark:#164A7A;
  --primary-light:#E8F0F8;
  --primary-ultra:#F3F7FB;
  --accent:#FF7A3D;
  --text:#16202B;
  --text-2:#5A6672;
  --text-3:#8A949F;
  --bg:#F6F7F5;
  --card:#FFFFFF;
  --line:#E4E8EC;
  --line-strong:#D7DFE7;
  --footer-bg:#EDF1F5;
  --success:#2E9E6B;
  --warn:#D9822B;
  --error:#C8433A;
  --radius-sm:8px;
  --radius:14px;
  --radius-lg:20px;
  --radius-pill:999px;
  --shadow:0 1px 2px rgba(22,32,43,.04),0 8px 24px rgba(22,32,43,.06);
  --shadow-lg:0 12px 32px rgba(22,32,43,.10);
  --container:1200px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:0;line-height:1.3;color:var(--text);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:var(--primary);text-decoration:none;transition:color .16s ease-out;}
a:hover{color:var(--primary-dark);}
img{max-width:100%;display:block;border-radius:10px;}
button{font-family:inherit;cursor:pointer;}
input{font-family:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(24px,3vw,34px);line-height:1.3;}
.section-head p{color:var(--text-2);font-size:15px;max-width:560px;margin-top:10px;}
.text-link{
  color:var(--primary);font-size:15px;font-weight:600;
  background-image:linear-gradient(var(--primary),var(--primary));
  background-repeat:no-repeat;background-position:0 100%;background-size:100% 2px;
  padding-bottom:3px;transition:background-size .18s ease-out,color .16s ease-out;
}
.text-link:hover{color:var(--primary-dark);background-size:100% 3px;}

/* ===== 导航 ===== */
.site-header{position:sticky;top:12px;z-index:80;padding:0 24px;}
.nav-panel{
  max-width:var(--container);margin:0 auto;
  min-height:76px;display:flex;align-items:center;gap:24px;
  padding:12px 20px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);
  position:relative;
  transition:box-shadow .18s ease-out;
}
.nav-panel.is-scrolled{box-shadow:var(--shadow-lg);}
.nav-brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-brand__mark{
  width:34px;height:34px;border-radius:10px;
  background:var(--primary);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  flex:0 0 auto;
}
.nav-brand__mark svg{width:20px;height:20px;}
.nav-brand__text{font-weight:800;font-size:18px;color:var(--text);letter-spacing:0;}
.nav-links{display:flex;align-items:center;gap:10px;flex:1 1 auto;}
.nav-links a{
  display:inline-flex;align-items:center;
  padding:10px 14px;border-radius:10px;
  font-size:15px;font-weight:500;color:var(--text-2);
  background:var(--primary-ultra);
  border-bottom:2px solid transparent;
  transition:background .16s ease-out,color .16s ease-out,border-color .16s ease-out;
  white-space:nowrap;
}
.nav-links a:hover{background:var(--primary-light);color:var(--primary);}
.nav-links a.is-active{background:var(--primary-light);color:var(--primary);font-weight:600;border-bottom-color:var(--primary);}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex:0 0 auto;}
.icon-btn{
  width:40px;height:40px;border-radius:10px;
  border:1px solid var(--line-strong);background:var(--card);color:var(--primary);
  display:inline-flex;align-items:center;justify-content:center;
  transition:background .16s ease-out,border-color .16s ease-out,color .16s ease-out,transform .16s ease-out;
}
.icon-btn svg{width:19px;height:19px;}
.icon-btn:hover{background:var(--primary-light);border-color:var(--primary);color:var(--primary-dark);}
.nav-toggle{display:none;}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:10px;
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;text-align:center;
  transition:background .16s ease-out,color .16s ease-out,border-color .16s ease-out,box-shadow .16s ease-out,transform .16s ease-out;
}
.btn--sm{height:40px;padding:0 18px;font-size:14px;}
.btn--primary{background:var(--primary);color:#fff;box-shadow:0 1px 2px rgba(22,32,43,.06);}
.btn--primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow);}
.btn--primary:active{transform:translateY(0);}
.btn--outline{background:var(--card);color:var(--primary);border-color:var(--line-strong);}
.btn--outline:hover{background:var(--primary-ultra);border-color:var(--primary);color:var(--primary-dark);}
.btn--ghost{background:transparent;color:var(--primary);border-color:transparent;padding:0 8px;}
.btn--ghost:hover{color:var(--primary-dark);background:var(--primary-ultra);}
.btn:disabled{background:var(--line);color:var(--text-3);border-color:var(--line);cursor:not-allowed;transform:none;box-shadow:none;}

/* ===== 面包屑 ===== */
.breadcrumb{padding:28px 0 0;font-size:13px;color:var(--text-3);}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.breadcrumb li{display:flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"/";color:var(--line-strong);}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb [aria-current="page"]{color:var(--text);font-weight:600;}

/* ===== 页面头 ===== */
.page-hero{padding:32px 0 64px;}
.page-hero__grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--primary-light);color:var(--primary);
  font-size:11px;font-weight:600;letter-spacing:.02em;
  padding:4px 10px;border-radius:var(--radius-pill);line-height:1.6;
}
.badge--accent{background:rgba(255,122,61,.12);color:#B8501B;}
.page-hero h1{
  font-size:clamp(30px,4.4vw,48px);line-height:1.22;font-weight:700;
  margin:16px 0 16px;
}
.page-hero__lead{font-size:16px;line-height:1.85;color:var(--text-2);max-width:34em;}
.page-hero__meta{display:flex;flex-wrap:wrap;gap:10px 20px;margin-top:20px;font-size:13px;color:var(--text-3);}
.page-hero__meta span{display:inline-flex;align-items:center;gap:6px;}
.dot{width:5px;height:5px;border-radius:50%;background:var(--accent);display:inline-block;}
.page-hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-figure{position:relative;}
.hero-figure img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--radius-lg);box-shadow:var(--shadow);background:var(--primary-light);}
.hero-tag{
  position:absolute;right:18px;bottom:18px;
  background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow-lg);
  padding:14px 18px;display:flex;gap:22px;
}
.hero-tag__item strong{display:block;font-size:22px;line-height:1.2;color:var(--primary);font-weight:700;}
.hero-tag__item span{font-size:12px;color:var(--text-3);}

/* ===== 要点速览 ===== */
.highlights{background:var(--primary-ultra);border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px;}
.highlights__head{display:flex;align-items:center;gap:10px;margin-bottom:20px;}
.highlights__head h2{font-size:18px;font-weight:700;}
.highlights__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.highlight-item{
  background:var(--card);border-radius:var(--radius);padding:18px;
  border:1px solid var(--line);
  transition:transform .16s ease-out,box-shadow .16s ease-out,border-color .16s ease-out;
}
.highlight-item:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:var(--primary-light);}
.highlight-item__num{
  font-size:13px;font-weight:700;color:var(--accent);
  letter-spacing:.04em;display:block;margin-bottom:8px;
}
.highlight-item h3{font-size:15px;line-height:1.5;margin-bottom:6px;}
.highlight-item p{font-size:13px;line-height:1.75;color:var(--text-2);}

/* ===== 图文卡网格 ===== */
.card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.media-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .16s ease-out,box-shadow .16s ease-out,border-color .16s ease-out;
}
.media-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:var(--line-strong);}
.media-card__media{position:relative;background:var(--primary-light);}
.media-card__media img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;}
.media-card__media .badge{position:absolute;left:14px;top:14px;background:rgba(255,255,255,.94);}
.media-card__body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.media-card__body h3{font-size:19px;line-height:1.45;}
.media-card__body p{font-size:14px;line-height:1.8;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.media-card__foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:8px;}
.media-card__time{font-size:13px;color:var(--text-3);}
.arrow-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);}
.arrow-link svg{width:15px;height:15px;transition:transform .16s ease-out;}
.media-card:hover .arrow-link svg{transform:translateX(2px);}

/* ===== 描边 CTA ===== */
.cta-band{
  border:1px solid var(--line-strong);
  background:var(--primary-ultra);
  border-radius:var(--radius-lg);
  padding:36px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(22px,2.6vw,28px);line-height:1.35;margin-bottom:8px;}
.cta-band p{font-size:15px;color:var(--text-2);max-width:46em;}
.cta-band__actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ===== FAQ ===== */
.faq{max-width:820px;margin:0 auto;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:12px;
  margin-bottom:12px;overflow:hidden;
  transition:border-color .16s ease-out,box-shadow .16s ease-out;
}
.faq-item:hover{border-color:var(--line-strong);}
.faq-item.is-open{border-color:var(--primary-light);box-shadow:var(--shadow);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:0;padding:20px 22px;
  font-size:16px;font-weight:600;color:var(--text);text-align:left;line-height:1.6;
}
.faq-item.is-open .faq-q{color:var(--primary);}
.faq-icon{
  width:28px;height:28px;flex:0 0 auto;border-radius:50%;
  border:1px solid var(--line-strong);color:var(--text-2);
  display:inline-flex;align-items:center;justify-content:center;
  transition:transform .16s ease-out,background .16s ease-out,color .16s ease-out,border-color .16s ease-out;
}
.faq-icon svg{width:14px;height:14px;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--primary);border-color:var(--primary);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .16s ease-out;}
.faq-a__inner{padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--text-2);}

/* ===== 页脚 ===== */
.site-footer{background:var(--footer-bg);margin-top:24px;padding:64px 0 24px;border-top:1px solid var(--line);}
.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand__mark{
  width:32px;height:32px;border-radius:10px;background:var(--primary);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
}
.footer-brand__mark svg{width:18px;height:18px;}
.footer-brand__text{font-weight:800;font-size:17px;color:var(--text);}
.footer-grid p{font-size:14px;line-height:1.9;color:var(--text-2);}
.footer-keyword{display:inline-block;margin-top:14px;font-size:13px;color:var(--primary);background:var(--card);border:1px solid var(--line);border-radius:var(--radius-pill);padding:4px 12px;}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:14px;color:var(--text);}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{font-size:14px;color:var(--text-2);}
.footer-col ul a:hover{color:var(--primary);}
.footer-form{display:flex;gap:8px;margin-top:12px;}
.footer-form input{
  flex:1 1 auto;min-width:0;height:40px;padding:0 12px;
  border:1px solid var(--line-strong);border-radius:10px;background:var(--card);
  font-size:14px;color:var(--text);
  transition:border-color .16s ease-out,box-shadow .16s ease-out;
}
.footer-form input::placeholder{color:var(--text-3);}
.footer-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(28,93,153,.12);}
.footer-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.footer-bottom__links{display:flex;gap:18px;flex-wrap:wrap;}
.footer-bottom__links a{color:var(--text-2);font-size:13px;}
.footer-bottom__links a:hover{color:var(--primary);}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .page-hero__grid{gap:32px;}
  .footer-grid{gap:28px;}
}
@media (max-width:1023px){
  .section{padding:64px 0;}
  .section--tight{padding:52px 0;}
  .site-header{padding:0 20px;}
  .nav-panel{flex-wrap:nowrap;}
  .nav-toggle{display:inline-flex;}
  .nav-links{
    position:absolute;top:calc(100% + 10px);left:0;right:0;
    display:none;grid-template-columns:1fr 1fr;gap:10px;
    background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
    box-shadow:var(--shadow-lg);padding:16px;z-index:90;
  }
  .nav-links.is-open{display:grid;}
  .nav-links a{background:var(--primary-ultra);padding:14px 16px;border-radius:10px;border-bottom:0;}
  .nav-links a.is-active{box-shadow:inset 3px 0 0 var(--primary);}
  .page-hero__grid{grid-template-columns:1fr;gap:32px;}
  .page-hero{padding:24px 0 52px;}
  .hero-figure{order:-1;}
  .highlights__grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .card-grid{grid-template-columns:1fr;}
  .cta-band{padding:28px 24px;}
  .cta-band__actions{width:100%;}
  .cta-band__actions .btn{flex:1 1 auto;}
}
@media (max-width:640px){
  .container{padding:0 20px;}
  body{font-size:16px;}
  .page-hero h1{font-size:30px;}
  .section{padding:52px 0;}
  .nav-brand__text{font-size:16px;}
  .nav-actions .btn--sm{display:none;}
  .highlights{padding:20px;}
  .highlights__grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .page-hero__actions .btn{flex:1 1 auto;}
  .hero-tag{padding:12px 14px;gap:16px;right:12px;bottom:12px;}
  .hero-tag__item strong{font-size:19px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  .media-card:hover,.highlight-item:hover,.btn--primary:hover{transform:none;}
}

/* roulang page: category3 */
:root{
  --primary:#1C5D99;
  --primary-hover:#164A7A;
  --primary-soft:#E8F0F8;
  --primary-faint:#F3F7FB;
  --accent:#FF7A3D;
  --text:#16202B;
  --text-2:#5A6672;
  --text-3:#8A949F;
  --bg:#F6F7F5;
  --card:#FFFFFF;
  --line:#E4E8EC;
  --line-input:#D7DFE7;
  --footer-bg:#EDF1F5;
  --success:#2E9E6B;
  --warn:#D9822B;
  --error:#C8433A;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-btn:10px;
  --shadow-sm:0 1px 2px rgba(22,32,43,.04),0 8px 24px rgba(22,32,43,.06);
  --shadow-hover:0 12px 32px rgba(22,32,43,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
a{color:var(--primary);text-decoration:none;transition:color .16s var(--ease),border-color .16s var(--ease),background-color .16s var(--ease)}
a:hover{color:var(--primary-hover)}
img{max-width:100%;display:block}
button{font-family:inherit}
input,textarea,button{font-family:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;border:1px solid transparent;
  transition:background-color .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease),transform .16s var(--ease),box-shadow .16s var(--ease);
}
.btn--primary{background:var(--primary);color:#fff}
.btn--primary:hover{background:var(--primary-hover);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-sm)}
.btn--primary:active{transform:translateY(0)}
.btn--ghost{background:#fff;color:var(--primary);border-color:var(--line-input)}
.btn--ghost:hover{background:var(--primary-faint);border-color:var(--primary);color:var(--primary)}
.btn--sm{height:40px;padding:0 18px;font-size:14px}
.btn--block{width:100%}
.btn:disabled{background:var(--line);color:var(--text-3);cursor:not-allowed;transform:none;box-shadow:none}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:999px;background:var(--primary-soft);
  color:var(--primary);font-size:11px;font-weight:600;line-height:1.6;letter-spacing:.02em;
}
.badge::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--accent)}

.text-link{
  font-size:14px;font-weight:600;color:var(--primary);
  border-bottom:2px solid rgba(28,93,153,.22);padding-bottom:2px;white-space:nowrap;
}
.text-link:hover{border-bottom-color:var(--primary)}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--primary);
}
.eyebrow::before{content:"";width:14px;height:2px;border-radius:2px;background:var(--accent)}

/* 导航 */
header{position:relative;z-index:60}
.nav-panel{
  position:sticky;top:12px;z-index:60;
  display:flex;align-items:center;gap:16px;
  max-width:1200px;margin:12px auto 0;padding:0 16px;height:76px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--shadow-sm);
}
.nav-brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text)}
.nav-brand:hover{color:var(--text)}
.nav-brand__mark{
  width:26px;height:26px;border-radius:8px;background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.nav-brand__mark svg{width:16px;height:16px}
.nav-brand__text{font-size:17px;font-weight:800;letter-spacing:.01em}
.nav-links{display:flex;align-items:center;gap:4px;flex:1 1 auto}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;
  padding:9px 13px;border-radius:var(--r-btn);
  font-size:14px;font-weight:600;color:var(--text-2);
  transition:background-color .16s var(--ease),color .16s var(--ease);
}
.nav-links a:hover{background:var(--primary-soft);color:var(--primary)}
.nav-links a.is-active{background:var(--primary-soft);color:var(--primary)}
.nav-links a.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;
  border-radius:2px;background:var(--primary);
}
.nav-actions{display:flex;align-items:center;gap:8px;margin-left:auto;flex:0 0 auto}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-btn);border:1px solid var(--line);
  background:#fff;color:var(--text-2);display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:border-color .16s var(--ease),color .16s var(--ease),background-color .16s var(--ease);
}
.icon-btn:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-faint)}
.icon-btn svg{width:18px;height:18px}
.nav-toggle{display:none}

/* 面包屑 */
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  padding:26px 0 0;font-size:13px;color:var(--text-3);
}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--primary)}
.crumb .sep{color:var(--text-3)}

/* 页面头 */
.page-head{padding:28px 0 0}
.page-head__grid{display:grid;grid-template-columns:1.35fr 1fr;gap:48px;align-items:center}
.page-head h1{
  margin:16px 0 14px;
  font-size:clamp(30px,4.4vw,48px);line-height:1.22;font-weight:700;letter-spacing:0;
}
.lead{font-size:17px;line-height:1.8;color:var(--text-2);max-width:32em}
.page-head__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.page-head__media{position:relative;padding-bottom:30px}
.page-head__media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:var(--r-lg);border:1px solid var(--line);box-shadow:var(--shadow-sm);
  background:var(--primary-soft);
}
.mini-card{
  position:absolute;right:-6px;bottom:0;
  display:flex;align-items:center;gap:12px;
  padding:14px 20px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);box-shadow:var(--shadow-sm);
}
.mini-card__dot{width:8px;height:8px;border-radius:50%;background:var(--success);flex:0 0 auto}
.mini-card strong{display:block;font-size:14px;font-weight:700;line-height:1.4}
.mini-card span{display:block;font-size:12px;color:var(--text-3);line-height:1.5}

/* 板块 */
.section{padding:88px 0}
.section--tint{background:var(--primary-faint);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;margin-bottom:36px;flex-wrap:wrap;
}
.section-head h2{
  margin-top:10px;font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:700;
}
.section-sub{margin-top:12px;font-size:15px;color:var(--text-2);max-width:38em}

/* 能力卡 */
.ability-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ability-card{
  display:flex;flex-direction:column;gap:12px;
  padding:28px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-md);box-shadow:var(--shadow-sm);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.ability-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#D9E3EE}
.ability-card--wide{grid-column:span 2}
.ability-card__icon{
  width:42px;height:42px;border-radius:12px;background:var(--primary-soft);color:var(--primary);
  display:flex;align-items:center;justify-content:center;margin-bottom:4px;
}
.ability-card__icon svg{width:20px;height:20px}
.ability-card h3{font-size:20px;line-height:1.45;font-weight:600}
.ability-card p{font-size:15px;line-height:1.85;color:var(--text-2)}
.ability-card__meta{
  margin-top:auto;padding-top:12px;font-size:13px;color:var(--text-3);
  border-top:1px dashed var(--line);
}
.ability-card--wide h3{font-size:23px}

/* 流程 */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step{
  position:relative;padding:26px 24px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-md);box-shadow:var(--shadow-sm);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease);
}
.step:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.step__num{
  width:38px;height:38px;border-radius:999px;background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;margin-bottom:14px;
}
.step h3{font-size:18px;font-weight:600;line-height:1.45;margin-bottom:8px}
.step p{font-size:15px;line-height:1.85;color:var(--text-2)}
.step__time{margin-top:14px;font-size:13px;color:var(--primary);font-weight:600}

/* FAQ */
.faq{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden;
  transition:border-color .16s var(--ease),box-shadow .16s var(--ease);
}
.faq-item:hover{box-shadow:var(--shadow-sm)}
.faq-item.is-open{border-color:var(--primary)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;line-height:1.5;color:var(--text);
  transition:color .16s var(--ease);
}
.faq-q:hover{color:var(--primary)}
.faq-item.is-open .faq-q{color:var(--primary)}
.faq-icon{
  position:relative;flex:0 0 auto;width:28px;height:28px;border-radius:999px;
  background:var(--primary-soft);
  transition:transform .16s var(--ease),background-color .16s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;border-radius:2px;background:var(--primary);
  transform:translate(-50%,-50%);
  transition:background-color .16s var(--ease);
}
.faq-icon::before{width:12px;height:2px}
.faq-icon::after{width:2px;height:12px}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--primary)}
.faq-item.is-open .faq-icon::before,
.faq-item.is-open .faq-icon::after{background:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .16s var(--ease)}
.faq-item.is-open .faq-a{max-height:420px}
.faq-a p{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--text-2)}

/* 联系 */
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:40px;align-items:start}
.contact-info{display:flex;flex-direction:column;gap:16px}
.info-item{
  padding:18px 20px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-md);box-shadow:var(--shadow-sm);
}
.info-item strong{display:block;font-size:13px;font-weight:600;color:var(--text-3);margin-bottom:4px}
.info-item span{font-size:16px;color:var(--text);font-variant-numeric:tabular-nums;word-break:break-all}
.info-tip{
  padding:16px 20px;border-radius:var(--r-md);
  background:rgba(217,130,43,.10);border:1px solid rgba(217,130,43,.24);
  font-size:13px;line-height:1.75;color:var(--text-2);
}
.form-card{
  padding:32px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--shadow-sm);
}
.form-card h3{font-size:20px;font-weight:600;line-height:1.45;margin-bottom:6px}
.form-card .form-sub{font-size:14px;color:var(--text-2);margin-bottom:24px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}
.field label{font-size:13px;font-weight:600;color:var(--text-2)}
.field input,.field textarea{
  width:100%;font-size:15px;color:var(--text);background:#fff;
  border:1px solid var(--line-input);border-radius:var(--r-btn);
  transition:border-color .16s var(--ease),box-shadow .16s var(--ease);
}
.field input{height:46px;padding:0 14px}
.field textarea{min-height:128px;padding:12px 14px;line-height:1.75;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(28,93,153,.12);
}
.check{
  display:flex;align-items:flex-start;gap:10px;
  font-size:13px;line-height:1.7;color:var(--text-2);margin-bottom:20px;
}
.check input{width:16px;height:16px;margin:3px 0 0;accent-color:var(--primary);flex:0 0 auto}
.form-note{font-size:12px;line-height:1.7;color:var(--text-3);margin-top:14px}
.form-msg{
  display:none;margin-top:16px;padding:10px 14px;border-radius:var(--r-btn);
  background:rgba(46,158,107,.10);border:1px solid rgba(46,158,107,.22);
  color:var(--success);font-size:13px;line-height:1.7;
}
.form-msg.is-show{display:block}

/* 页脚 */
.site-footer{background:var(--footer-bg);margin-top:88px;padding:64px 0 0;border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.35fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand__mark{
  width:26px;height:26px;border-radius:8px;background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.footer-brand__mark svg{width:16px;height:16px}
.footer-brand__text{font-size:17px;font-weight:800;color:var(--text)}
.site-footer p{font-size:14px;line-height:1.9;color:var(--text-2)}
.footer-keyword{
  display:inline-block;margin-top:14px;padding:5px 12px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:12px;color:var(--text-3);
}
.footer-col h4{font-size:15px;font-weight:700;color:var(--text);margin-bottom:14px}
.footer-col ul li{margin-bottom:8px}
.footer-col ul li a{font-size:14px;color:var(--text-2)}
.footer-col ul li a:hover{color:var(--primary)}
.footer-form{display:flex;gap:8px;margin-top:14px}
.footer-form input{
  flex:1 1 auto;min-width:0;height:40px;padding:0 12px;
  font-size:14px;color:var(--text);background:#fff;
  border:1px solid var(--line-input);border-radius:var(--r-btn);
  transition:border-color .16s var(--ease),box-shadow .16s var(--ease);
}
.footer-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(28,93,153,.12)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;
  margin-top:44px;padding:20px 0;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}
.footer-bottom__links{display:flex;gap:18px}
.footer-bottom__links a{font-size:13px;color:var(--text-2)}
.footer-bottom__links a:hover{color:var(--primary)}

/* 响应式 */
@media (max-width:1023px){
  .nav-panel{height:auto;min-height:64px;flex-wrap:wrap;padding:10px 14px;gap:10px}
  .nav-brand__text{font-size:16px}
  .nav-toggle{display:inline-flex}
  .nav-links{
    position:absolute;top:calc(100% + 10px);left:0;right:0;
    display:none;padding:14px;background:#fff;
    border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-hover);
    grid-template-columns:1fr 1fr;gap:10px;
  }
  .nav-links.is-open{display:grid}
  .nav-links a{padding:12px;background:var(--primary-faint);border-radius:var(--r-btn);justify-content:center}
  .nav-links a.is-active::after{left:18px;right:18px;bottom:5px}

  .page-head__grid{grid-template-columns:1fr;gap:32px}
  .page-head__media{padding-bottom:0}
  .mini-card{position:static;margin-top:16px;width:fit-content}
  .section{padding:64px 0}
  .ability-grid{grid-template-columns:repeat(2,1fr)}
  .ability-card--wide{grid-column:span 2}
  .steps{grid-template-columns:repeat(3,1fr)}
  .contact-grid{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .section{padding:52px 0}
  .page-head{padding-top:20px}
  .lead{font-size:16px}
  .ability-grid{grid-template-columns:1fr}
  .ability-card--wide{grid-column:span 1}
  .ability-card{padding:24px}
  .steps{grid-template-columns:1fr}
  .section-head{margin-bottom:26px}
  .form-card{padding:24px}
  .form-row{grid-template-columns:1fr}
  .btn{width:auto}
  .page-head__actions .btn{flex:1 1 auto;min-width:150px}
  .faq-q{padding:16px 18px;font-size:15px}
  .faq-a p{padding:0 18px 18px}
  .site-footer{padding-top:48px;margin-top:56px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{margin-top:32px}
  .footer-form{flex-wrap:wrap}
  .footer-form input{flex:1 1 100%}
  .footer-form .btn{width:100%}
}
@media (max-width:420px){
  .nav-brand__text{font-size:15px}
  .nav-actions .btn--sm{display:none}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
  .ability-card:hover,.step:hover,.btn--primary:hover{transform:none}
}