/* roulang page: index */
:root{
  --c-primary:#2A6B67;
  --c-primary-dark:#1C4E4B;
  --c-primary-light:#E4EFED;
  --c-gold:#C08A4E;
  --c-gold-dark:#A9763C;
  --c-orange:#E07A4F;
  --c-bg:#F6F8F7;
  --c-surface:#FFFFFF;
  --c-alt:#EEF3F1;
  --c-ink:#1B2422;
  --c-sub:#55635F;
  --c-muted:#8A9995;
  --c-border:#DDE5E2;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(27,36,34,.05),0 8px 24px rgba(27,36,34,.06);
  --sh-2:0 12px 32px rgba(27,36,34,.10);
  --sh-3:0 18px 44px rgba(27,36,34,.16);
  --sp:88px;
  --container:1200px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.8;
  letter-spacing:.01em;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease;}
a:hover,a:focus{color:var(--c-gold-dark);}
h1,h2,h3,h4{margin:0 0 .6em;font-weight:600;line-height:1.35;color:var(--c-ink);}
h1{font-size:42px;font-weight:700;line-height:1.28;}
h2{font-size:31px;}
h3{font-size:21px;}
p{margin:0 0 1em;}
ul,ol{margin:0 0 1em;padding-left:1.15em;}
li{margin-bottom:.4em;color:var(--c-sub);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;}
:focus-visible{outline:2px solid var(--c-gold);outline-offset:2px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:var(--sp) 0;}
.section--alt{background:var(--c-alt);}
.section--tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;color:var(--c-primary);background:var(--c-primary-light);
  border-radius:var(--r-pill);padding:6px 14px;margin-bottom:16px;font-weight:500;
}
.section-head p{color:var(--c-sub);margin:0;}
.section-head--row{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;}
.link-more{font-weight:500;font-size:15px;white-space:nowrap;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);border:1px solid transparent;
  padding:13px 26px;font-size:16px;font-weight:600;line-height:1.2;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
  text-align:center;
}
.btn svg{width:18px;height:18px;flex:none;}
.btn--primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1);}
.btn--primary:hover,.btn--primary:focus{background:var(--c-primary-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn--primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn--ghost{background:var(--c-surface);color:var(--c-primary);border-color:var(--c-primary);}
.btn--ghost:hover,.btn--ghost:focus{background:var(--c-primary-light);color:var(--c-primary-dark);transform:translateY(-2px);}
.btn--gold{background:var(--c-gold);color:#fff;}
.btn--gold:hover,.btn--gold:focus{background:var(--c-gold-dark);color:#fff;transform:translateY(-2px);}
.btn--light{background:#fff;color:var(--c-primary-dark);}
.btn--light:hover,.btn--light:focus{background:#F2F7F6;color:var(--c-primary-dark);transform:translateY(-2px);}
.btn--outline-light{background:transparent;color:#EAF4F2;border-color:rgba(234,244,242,.45);}
.btn--outline-light:hover,.btn--outline-light:focus{background:rgba(234,244,242,.12);color:#fff;border-color:#EAF4F2;}
.btn--sm{padding:10px 18px;font-size:14.5px;}
.btn--block{width:100%;}

/* ---------- 顶栏 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--c-surface);box-shadow:0 1px 0 var(--c-border);}
.topbar{padding:12px 0;}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:56px;}
.brand{display:flex;align-items:center;gap:12px;color:var(--c-ink);}
.brand:hover{color:var(--c-ink);}
.brand__mark{
  width:42px;height:42px;border-radius:12px;flex:none;
  background:linear-gradient(140deg,var(--c-primary) 0%,var(--c-primary-dark) 100%);
  display:flex;align-items:center;justify-content:center;color:#fff;
}
.brand__mark svg{width:22px;height:22px;}
.brand__text{display:flex;flex-direction:column;line-height:1.15;}
.brand__name{font-size:20px;font-weight:700;letter-spacing:.01em;}
.brand__sub{font-size:12px;color:var(--c-muted);letter-spacing:.14em;font-weight:400;}
.topbar__actions{display:flex;align-items:center;gap:12px;}
.search{display:flex;align-items:center;background:var(--c-alt);border:1px solid var(--c-border);border-radius:var(--r-btn);padding:2px 2px 2px 12px;transition:border-color .2s ease,box-shadow .2s ease;}
.search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 2px var(--c-primary-light);}
.search input{border:0;background:transparent;outline:none;padding:8px 6px;width:200px;font-size:14.5px;}
.search input::placeholder{color:var(--c-muted);}
.search button{border:0;background:var(--c-primary);color:#fff;border-radius:8px;padding:7px 14px;font-size:14px;font-weight:500;}
.search button:hover{background:var(--c-primary-dark);}
.nav-toggle{
  display:none;border:1px solid var(--c-border);background:var(--c-surface);
  border-radius:var(--r-btn);padding:9px 12px;color:var(--c-primary-dark);
}
.channelbar{background:var(--c-alt);border-top:1px solid var(--c-border);border-bottom:1px solid var(--c-border);}
.channelbar__inner{display:flex;align-items:center;gap:6px;min-height:52px;overflow-x:auto;scrollbar-width:none;}
.channelbar__inner::-webkit-scrollbar{display:none;}
.channel{
  position:relative;display:inline-flex;align-items:center;white-space:nowrap;
  padding:14px 16px;font-size:15.5px;color:var(--c-sub);font-weight:500;
  border-bottom:3px solid transparent;transition:color .2s ease,background-color .2s ease;
}
.channel:hover{color:var(--c-primary-dark);background:rgba(42,107,103,.06);}
.channel.is-active{color:var(--c-ink);font-weight:700;border-bottom-color:var(--c-primary);}

/* ---------- 抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(27,36,34,.45);opacity:0;visibility:hidden;transition:.25s ease;z-index:80;}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:300px;max-width:86vw;background:var(--c-surface);
  transform:translateX(102%);transition:transform .28s ease;z-index:90;padding:22px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer h4{font-size:13px;letter-spacing:.16em;color:var(--c-muted);text-transform:uppercase;margin:18px 0 10px;font-weight:600;}
.drawer a{display:block;padding:12px 12px;border-radius:10px;color:var(--c-ink);font-weight:500;}
.drawer a:hover,.drawer a.is-active{background:var(--c-primary-light);color:var(--c-primary-dark);}
.drawer__close{margin-left:auto;display:block;border:1px solid var(--c-border);background:#fff;border-radius:10px;padding:8px 12px;}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#F8FBFA 0%,var(--c-bg) 62%,#EDF3F1 100%);
  padding:76px 0 88px;
}
.hero__pattern{position:absolute;inset:0;opacity:.07;pointer-events:none;}
.hero__grid{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;}
.hero__tag{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:500;
  color:var(--c-primary-dark);background:var(--c-primary-light);border-radius:var(--r-pill);padding:7px 16px;margin-bottom:20px;
}
.hero h1{margin-bottom:18px;}
.hero h1 em{font-style:normal;color:var(--c-primary);}
.hero__lead{font-size:18px;color:var(--c-sub);max-width:560px;margin-bottom:30px;}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.hero__points{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  display:inline-flex;align-items:center;gap:7px;font-size:14px;color:var(--c-sub);
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-pill);padding:8px 14px;
}
.chip b{color:var(--c-ink);font-weight:600;}
.hero__visual{position:relative;}
.hero__shot{
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-2);border:1px solid var(--c-border);background:#fff;
}
.hero__shot img{width:100%;height:330px;object-fit:cover;}
.hero__float{
  position:absolute;left:-26px;bottom:-26px;width:212px;background:#fff;border-radius:var(--r-img);
  box-shadow:var(--sh-3);padding:12px;display:flex;gap:12px;align-items:center;
}
.hero__float img{width:56px;height:56px;border-radius:10px;object-fit:cover;}
.hero__float strong{display:block;font-size:17px;line-height:1.2;}
.hero__float span{font-size:12.5px;color:var(--c-muted);}
.stars{color:var(--c-orange);letter-spacing:2px;font-size:13px;}

/* ---------- 数据条 ---------- */
.stats{border-top:1px solid var(--c-border);border-bottom:1px solid var(--c-border);background:var(--c-surface);}
.stats__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;}
.stat{padding:30px 26px;border-right:1px solid var(--c-border);}
.stat:last-child{border-right:0;}
.stat b{display:block;font-size:27px;font-weight:700;color:var(--c-primary-dark);line-height:1.2;}
.stat span{font-size:14px;color:var(--c-sub);}

/* ---------- Bento ---------- */
.bento{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.bento__card{
  background:var(--c-surface);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:28px;
  transition:transform .2s ease,box-shadow .2s ease;display:flex;flex-direction:column;
}
.bento__card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.bento__card--wide{grid-column:span 2;flex-direction:row;gap:26px;align-items:center;}
.bento__card--wide .bento__body{flex:1 1 52%;}
.bento__card--wide img{flex:1 1 48%;width:48%;height:230px;object-fit:cover;border-radius:var(--r-img);}
.icon-badge{
  width:46px;height:46px;border-radius:50%;background:var(--c-primary-light);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;flex:none;
}
.icon-badge svg{width:23px;height:23px;}
.bento__card h3{margin-bottom:8px;}
.bento__card p{color:var(--c-sub);font-size:15.5px;margin:0;}
.bento__tag{display:inline-block;margin-top:16px;font-size:13px;color:var(--c-gold-dark);background:#FBF3E8;border-radius:var(--r-pill);padding:4px 12px;align-self:flex-start;}

/* ---------- 截图轮播 ---------- */
.shots{background:var(--c-primary-dark);border-radius:20px;padding:38px;color:#EAF4F2;overflow:hidden;}
.shots__head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-bottom:22px;}
.shots__head h2{color:#fff;margin:0;font-size:26px;}
.shots__nav{display:flex;gap:10px;}
.shots__nav button{
  width:42px;height:42px;border-radius:50%;border:1px solid rgba(234,244,242,.35);
  background:rgba(234,244,242,.10);color:#fff;display:flex;align-items:center;justify-content:center;
  transition:background-color .2s ease,transform .2s ease;
}
.shots__nav button:hover{background:rgba(234,244,242,.24);transform:translateY(-1px);}
.shots__viewport{overflow:hidden;border-radius:var(--r-card);}
.shots__track{display:flex;transition:transform .45s cubic-bezier(.4,.1,.2,1);}
.shots__slide{min-width:100%;}
.shots__slide img{width:100%;height:400px;object-fit:cover;border-radius:var(--r-card);}
.shots__cap{margin-top:16px;display:flex;flex-wrap:wrap;gap:12px;align-items:baseline;}
.shots__cap h3{color:#fff;font-size:19px;margin:0;}
.shots__cap p{color:rgba(234,244,242,.78);font-size:14.5px;margin:0;}
.shots__dots{display:flex;gap:8px;margin-top:22px;justify-content:center;}
.shots__dots button{width:9px;height:9px;border-radius:50%;border:0;background:rgba(234,244,242,.34);padding:0;transition:.2s ease;}
.shots__dots button.is-active{background:#fff;width:26px;border-radius:var(--r-pill);}

/* ---------- 规格区 ---------- */
.spec{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.spec__item{
  background:var(--c-surface);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:22px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;transition:box-shadow .2s ease,transform .2s ease;
}
.spec__item:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.spec__name{font-size:15px;color:var(--c-muted);}
.spec__val{font-size:16.5px;font-weight:600;}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:13px;border-radius:var(--r-pill);padding:5px 12px;font-weight:500;}
.badge--ok{background:var(--c-primary-light);color:var(--c-primary-dark);}
.badge--warn{background:#FBEDE6;color:#B4552C;}
.badge--info{background:#F1F4F3;color:var(--c-sub);}
.spec-note{margin-top:26px;display:flex;flex-wrap:wrap;align-items:center;gap:16px;color:var(--c-sub);font-size:15px;}

/* ---------- 评价墙 ---------- */
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.review{
  background:var(--c-surface);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:26px;
  transition:transform .2s ease,box-shadow .2s ease;
}
.review:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.reviews .review:nth-child(1){margin-top:24px;}
.reviews .review:nth-child(4){margin-top:24px;}
.review__top{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.avatar{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  font-weight:700;color:#fff;background:var(--c-primary);flex:none;
}
.avatar--gold{background:var(--c-gold);}
.avatar--dark{background:var(--c-primary-dark);}
.review__name{font-weight:600;font-size:16px;line-height:1.3;}
.review__meta{font-size:13px;color:var(--c-muted);}
.review p{font-size:15.5px;color:var(--c-sub);margin:0 0 16px;}
.review__foot{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-muted);}

/* ---------- 下载区 ---------- */
.download{background:var(--c-primary-dark);color:#EAF4F2;border-radius:20px;padding:52px;position:relative;overflow:hidden;}
.download__pattern{position:absolute;inset:0;opacity:.08;pointer-events:none;}
.download__inner{position:relative;display:grid;grid-template-columns:1fr 220px;gap:44px;align-items:center;}
.download h2{color:#fff;font-size:30px;margin-bottom:12px;}
.download__desc{color:rgba(234,244,242,.8);margin-bottom:28px;max-width:620px;}
.dl-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.dl-card{
  background:rgba(255,255,255,.07);border:1px solid rgba(234,244,242,.18);border-radius:var(--r-card);
  padding:20px;display:flex;flex-direction:column;gap:12px;transition:background-color .2s ease,transform .2s ease;
}
.dl-card:hover{background:rgba(255,255,255,.13);transform:translateY(-2px);}
.dl-card__head{display:flex;align-items:center;gap:10px;font-weight:600;color:#fff;font-size:16px;}
.dl-card__head svg{width:20px;height:20px;color:var(--c-gold);}
.dl-card__meta{font-size:13.5px;color:rgba(234,244,242,.75);line-height:1.7;}
.dl-card .btn{margin-top:auto;}
.qr{background:#fff;border-radius:var(--r-card);padding:14px;text-align:center;color:var(--c-ink);}
.qr__box{width:100%;aspect-ratio:1/1;border-radius:10px;background:
  repeating-linear-gradient(0deg,#1C4E4B 0 8px,#fff 8px 16px),
  repeating-linear-gradient(90deg,#1C4E4B 0 8px,rgba(255,255,255,.6) 8px 16px);
  background-blend-mode:multiply;border:6px solid #fff;box-shadow:inset 0 0 0 1px var(--c-border);}
.qr p{margin:10px 0 0;font-size:13px;color:var(--c-sub);}
.download__foot{margin-top:28px;font-size:13.5px;color:rgba(234,244,242,.7);}

/* ---------- 最新动态 ---------- */
.news{display:grid;grid-template-columns:1.35fr 1fr;gap:24px;align-items:start;}
.news__side{display:grid;gap:18px;}
.news-card{
  background:var(--c-surface);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease;display:flex;flex-direction:column;height:100%;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.news-card__img{width:100%;height:190px;object-fit:cover;}
.news-card--lead .news-card__img{height:290px;}
.news-card__body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-card h3{font-size:19px;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card--sm h3{font-size:16.5px;}
.news-card p{font-size:14.8px;color:var(--c-sub);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card__meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--c-muted);margin-top:auto;}
.news-card__meta a{font-weight:500;}
.empty-state{
  background:var(--c-surface);border:1px dashed var(--c-border);border-radius:var(--r-card);
  padding:52px 24px;text-align:center;color:var(--c-sub);
}
.empty-state svg{width:44px;height:44px;color:var(--c-primary);margin-bottom:14px;}

/* ---------- FAQ ---------- */
.faq{max-width:860px;margin:0 auto;}
.faq__item{background:var(--c-surface);border-radius:var(--r-card);box-shadow:var(--sh-1);margin-bottom:14px;overflow:hidden;}
.faq__item summary{
  list-style:none;cursor:pointer;padding:22px 26px 22px 30px;position:relative;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:18px;font-weight:600;color:var(--c-ink);
}
.faq__item summary::-webkit-details-marker{display:none;}
.faq__item summary::before{
  content:"";position:absolute;left:12px;top:24px;bottom:24px;width:3px;border-radius:3px;background:transparent;transition:background-color .2s ease;
}
.faq__item[open] summary::before{background:var(--c-primary);}
.faq__item summary:hover{color:var(--c-primary-dark);}
.faq__sign{
  width:26px;height:26px;border-radius:50%;background:var(--c-primary-light);color:var(--c-primary-dark);
  display:flex;align-items:center;justify-content:center;flex:none;font-size:16px;line-height:1;font-weight:600;
  transition:transform .2s ease;
}
.faq__item[open] .faq__sign{transform:rotate(45deg);}
.faq__answer{padding:0 26px 24px 30px;color:var(--c-sub);font-size:15.8px;border-top:1px solid var(--c-border);padding-top:18px;}
.faq__answer p:last-child{margin-bottom:0;}

/* ---------- 尾行 CTA ---------- */
.tail-cta{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-card);
  padding:30px 34px;box-shadow:var(--sh-1);
}
.tail-cta h2{font-size:23px;margin:0 0 4px;}
.tail-cta p{margin:0;color:var(--c-sub);font-size:15.5px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary-dark);color:rgba(234,244,242,.78);padding:64px 0 26px;position:relative;overflow:hidden;}
.site-footer__pattern{position:absolute;inset:0;opacity:.07;pointer-events:none;}
.footer-grid{position:relative;display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:38px;padding-bottom:40px;}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:16px;font-weight:600;}
.site-footer a{color:rgba(234,244,242,.82);font-size:15px;}
.site-footer a:hover{color:var(--c-gold);}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand__mark{background:rgba(255,255,255,.12);}
.footer-brand strong{color:#fff;font-size:18px;font-weight:700;}
.footer-links{list-style:none;margin:0;padding:0;}
.footer-links li{margin-bottom:10px;}
.footer-about{font-size:14.6px;color:rgba(234,244,242,.72);max-width:330px;}
.footer-bottom{position:relative;border-top:1px solid rgba(234,244,242,.16);padding-top:22px;display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;font-size:13.5px;color:rgba(234,244,242,.62);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1199px){
  h1{font-size:36px;}
  h2{font-size:27px;}
  .hero__grid{gap:40px;}
  .hero__shot img{height:290px;}
  .download{padding:44px;}
  .download__inner{grid-template-columns:1fr;gap:32px;}
  .qr{max-width:220px;}
}
@media screen and (max-width:991px){
  :root{--sp:64px;}
  .search input{width:150px;}
  .bento{grid-template-columns:repeat(2,1fr);}
  .bento__card--wide{grid-column:span 2;flex-direction:column;align-items:stretch;}
  .bento__card--wide img{width:100%;height:210px;}
  .spec{grid-template-columns:1fr;}
  .reviews{grid-template-columns:repeat(2,1fr);}
  .reviews .review:nth-child(1),.reviews .review:nth-child(4){margin-top:0;}
  .news{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media screen and (max-width:767px){
  body{font-size:16px;}
  h1{font-size:29px;}
  h2{font-size:24px;}
  h3{font-size:19px;}
  .container{padding:0 16px;}
  .search{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .topbar__actions .btn{display:none;}
  .hero{padding:52px 0 64px;}
  .hero__grid{grid-template-columns:1fr;gap:34px;}
  .hero__lead{font-size:16.5px;}
  .hero__float{left:12px;bottom:-20px;width:190px;}
  .hero__shot img{height:230px;}
  .hero__cta .btn{width:100%;}
  .stats__grid{grid-template-columns:1fr 1fr;}
  .stat{border-right:0;border-bottom:1px solid var(--c-border);padding:22px 18px;}
  .stat:nth-child(2n){border-right:0;}
  .bento{grid-template-columns:1fr;}
  .bento__card--wide{grid-column:span 1;}
  .shots{padding:24px;border-radius:16px;}
  .shots__slide img{height:220px;}
  .shots__nav button{width:38px;height:38px;}
  .dl-cards{grid-template-columns:1fr;}
  .download{padding:30px 22px;border-radius:16px;}
  .reviews{grid-template-columns:1fr;}
  .tail-cta{padding:24px 20px;}
  .tail-cta .btn{width:100%;}
  .faq__item summary{font-size:16.5px;padding:18px 18px 18px 24px;}
  .faq__answer{padding:16px 18px 20px 24px;}
  .site-footer{padding:48px 0 22px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:30px;}
}
@media screen and (max-width:519px){
  .stats__grid{grid-template-columns:1fr;}
  .stat{border-right:0;}
  .hero__float{position:static;width:100%;margin-top:16px;left:auto;bottom:auto;}
  .brand__name{font-size:18px;}
  .news-card__img,.news-card--lead .news-card__img{height:180px;}
}

/* roulang page: article */
:root{
  --c-primary:#2A6B67;
  --c-primary-d:#1C4E4B;
  --c-primary-l:#E4EFED;
  --c-sand:#C08A4E;
  --c-sand-d:#A9763C;
  --c-accent:#E07A4F;
  --bg:#F6F8F7;
  --bg-alt:#EEF3F1;
  --white:#FFFFFF;
  --ink:#1B2422;
  --ink-2:#55635F;
  --ink-3:#8A9995;
  --line:#DDE5E2;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --sh:0 1px 2px rgba(27,36,34,.05),0 8px 24px rgba(27,36,34,.06);
  --sh-h:0 12px 32px rgba(27,36,34,.10);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,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:1.8;
  color:var(--ink);
  background:var(--bg);
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-sand);}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--c-sand);outline-offset:2px;}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.35;color:var(--ink);}
p{margin:0 0 1em;}
ul,ol{margin:0 0 1em;padding-left:1.25em;}
button{font-family:inherit;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:var(--white);box-shadow:0 1px 0 rgba(27,36,34,.06);}
.topbar{border-bottom:1px solid var(--line);}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:70px;}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink);}
.brand:hover{color:var(--ink);}
.brand__mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-primary-l);color:var(--c-primary);
}
.brand__mark svg{width:24px;height:24px;}
.brand__text{display:flex;flex-direction:column;line-height:1.15;}
.brand__name{font-size:20px;font-weight:700;letter-spacing:.02em;}
.brand__sub{font-size:12px;color:var(--ink-3);letter-spacing:.16em;}
.topbar__actions{display:flex;align-items:center;gap:14px;}
.search{display:flex;align-items:center;background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--r-pill);padding:4px 4px 4px 16px;}
.search input{
  border:0;background:transparent;outline:none;font-size:14px;color:var(--ink);
  width:190px;height:34px;font-family:inherit;
}
.search input::placeholder{color:var(--ink-3);}
.search button{
  border:0;cursor:pointer;background:var(--c-primary);color:#fff;font-size:13px;
  padding:8px 16px;border-radius:var(--r-pill);transition:background .2s ease;
}
.search button:hover{background:var(--c-primary-d);}
.nav-toggle{
  display:none;border:1px solid var(--line);background:var(--white);color:var(--ink);
  width:42px;height:42px;border-radius:10px;align-items:center;justify-content:center;cursor:pointer;
}
.channelbar{background:var(--bg-alt);border-bottom:1px solid var(--line);}
.channelbar__inner{display:flex;align-items:stretch;gap:6px;overflow-x:auto;scrollbar-width:none;}
.channelbar__inner::-webkit-scrollbar{display:none;}
.channel{
  position:relative;display:inline-flex;align-items:center;white-space:nowrap;
  padding:14px 16px;font-size:15px;color:var(--ink-2);border-bottom:3px solid transparent;
  transition:color .2s ease,background .2s ease;
}
.channel:hover{color:var(--c-primary);background:rgba(255,255,255,.7);}
.channel.is-active{color:var(--ink);font-weight:600;border-bottom-color:var(--c-primary);background:var(--white);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:500;padding:12px 24px;border-radius:var(--r-btn);
  border:1px solid transparent;cursor:pointer;transition:all .2s ease;text-align:center;
}
.btn--primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh);}
.btn--primary:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-h);}
.btn--primary:active{transform:translateY(0);}
.btn--ghost{background:var(--white);color:var(--c-primary);border-color:var(--c-primary);}
.btn--ghost:hover{background:var(--c-primary-l);color:var(--c-primary-d);transform:translateY(-2px);}
.btn--sand{background:var(--c-sand);color:#fff;}
.btn--sand:hover{background:var(--c-sand-d);color:#fff;transform:translateY(-2px);}
.btn--sm{padding:9px 18px;font-size:14px;}
.btn--block{width:100%;}

/* ============ 面包屑 ============ */
.crumbs{padding:18px 0 0;font-size:13.5px;color:var(--ink-3);}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none;margin:0;padding:0;}
.crumbs li::after{content:"›";margin-left:8px;color:var(--ink-3);}
.crumbs li:last-child::after{content:"";}
.crumbs a{color:var(--ink-2);}
.crumbs a:hover{color:var(--c-primary);}
.crumbs [aria-current]{color:var(--ink);}

/* ============ 文章横幅 ============ */
.article-banner{
  margin:20px 0 0;border-radius:var(--r-card);overflow:hidden;position:relative;
  background:linear-gradient(140deg,#EAF2F0 0%,#F6F8F7 62%);
  border:1px solid var(--line);padding:40px 44px 36px;
}
.article-banner::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.07;
  background-image:url("/assets/images/backpic/back-1.png");background-size:cover;background-position:center right;
}
.article-banner__inner{position:relative;z-index:1;max-width:860px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:500;
  padding:5px 14px;border-radius:var(--r-pill);background:var(--white);color:var(--c-primary);
  border:1px solid var(--line);
}
.article-banner h1{font-size:38px;line-height:1.32;margin:16px 0 14px;letter-spacing:0;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:18px;font-size:14px;color:var(--ink-3);}
.article-meta span{display:inline-flex;align-items:center;gap:6px;}
.article-meta svg{width:16px;height:16px;stroke:var(--ink-3);}

/* ============ 正文布局 ============ */
.article-wrap{padding:48px 0 84px;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:44px;align-items:start;}
.article-panel{background:var(--white);border-radius:var(--r-card);box-shadow:var(--sh);padding:44px 48px;}
.article-body{max-width:800px;font-size:17px;line-height:1.85;color:var(--ink);}
.article-body h2{
  font-size:26px;margin:44px 0 16px;padding-left:16px;position:relative;line-height:1.4;
}
.article-body h2:first-child{margin-top:0;}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:3px;background:var(--c-primary);
}
.article-body h3{font-size:20px;margin:32px 0 12px;color:var(--c-primary-d);}
.article-body p{margin:0 0 18px;color:#2A3331;}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:22px;}
.article-body li{margin-bottom:8px;}
.article-body strong{font-weight:500;color:var(--ink);}
.article-body blockquote{
  margin:24px 0;padding:18px 24px;background:var(--c-primary-l);border-left:3px solid var(--c-primary);
  border-radius:0 var(--r-card) var(--r-card) 0;color:var(--c-primary-d);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{margin:24px auto;border-radius:var(--r-img);}
.article-body a{border-bottom:1px solid rgba(42,107,103,.35);}
.article-body a:hover{color:var(--c-sand-d);border-bottom-color:var(--c-sand);}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;}
.article-body th{background:var(--c-primary-l);color:var(--c-primary-d);text-align:left;font-weight:600;}
.article-body th,.article-body td{padding:13px 16px;border-bottom:1px solid var(--line);}
.article-body tr:hover td{background:var(--bg-alt);}
.article-body code{background:var(--bg-alt);padding:2px 7px;border-radius:6px;font-size:15px;}

.article-empty{text-align:center;padding:60px 20px;}
.article-empty svg{width:56px;height:56px;stroke:var(--ink-3);margin-bottom:18px;}
.article-empty h2{font-size:22px;margin-bottom:10px;}
.article-empty p{color:var(--ink-2);margin-bottom:22px;}

/* ============ 标签 ============ */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:40px;padding-top:26px;border-top:1px solid var(--line);}
.tag-row__label{font-size:14px;color:var(--ink-3);margin-right:4px;}
.tag{
  display:inline-flex;align-items:center;padding:6px 15px;font-size:13.5px;
  border-radius:var(--r-pill);background:var(--bg-alt);color:var(--ink-2);
  border:1px solid transparent;transition:all .2s ease;
}
.tag:hover{background:var(--c-primary-l);color:var(--c-primary-d);border-color:rgba(42,107,103,.25);}

/* ============ 上一篇 / 下一篇 ============ */
.pager{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px;}
.pager a{
  display:block;background:var(--white);border-radius:var(--r-card);padding:18px 22px;
  box-shadow:var(--sh);border:1px solid transparent;transition:all .2s ease;
}
.pager a:hover{border-color:rgba(42,107,103,.2);transform:translateY(-2px);box-shadow:var(--sh-h);}
.pager span{display:block;font-size:13px;color:var(--ink-3);margin-bottom:6px;}
.pager strong{display:block;font-size:15.5px;font-weight:500;color:var(--ink);line-height:1.55;}
.pager a:hover strong{color:var(--c-primary-d);}
.pager .pager--next{text-align:right;}

/* ============ 侧栏 ============ */
.sidebar{position:sticky;top:96px;display:flex;flex-direction:column;gap:22px;}
.widget{background:var(--white);border-radius:var(--r-card);box-shadow:var(--sh);padding:26px 24px;}
.widget__title{
  font-size:17px;font-weight:600;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
}
.widget__title em{font-style:normal;font-size:12.5px;color:var(--ink-3);font-weight:400;}
.rank-list{list-style:none;margin:0;padding:0;counter-reset:rank;}
.rank-list li{counter-increment:rank;display:flex;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line);}
.rank-list li:last-child{border-bottom:0;padding-bottom:0;}
.rank-list li::before{
  content:counter(rank);flex:0 0 24px;height:24px;border-radius:7px;
  display:flex;align-items:center;justify-content:center;font-size:12.5px;font-weight:600;
  background:var(--bg-alt);color:var(--ink-2);
}
.rank-list li:nth-child(1)::before{background:var(--c-primary);color:#fff;}
.rank-list li:nth-child(2)::before{background:rgba(42,107,103,.55);color:#fff;}
.rank-list li:nth-child(3)::before{background:var(--c-sand);color:#fff;}
.rank-list a{font-size:14.5px;color:var(--ink-2);line-height:1.6;}
.rank-list a:hover{color:var(--c-primary);}
.dl-card{background:var(--c-primary-d);color:#EAF4F2;border-radius:var(--r-card);padding:26px 24px;box-shadow:var(--sh);}
.dl-card h3{color:#fff;font-size:18px;margin-bottom:8px;}
.dl-card p{font-size:14px;color:rgba(234,244,242,.78);margin:0 0 16px;line-height:1.7;}
.dl-meta{display:flex;justify-content:space-between;font-size:13.5px;color:rgba(234,244,242,.85);margin-bottom:18px;}
.dl-meta b{color:#fff;font-weight:600;}
.dl-card .btn--sand{font-weight:500;}
.chip-cloud{display:flex;flex-wrap:wrap;gap:9px;}
.chip{
  font-size:13px;padding:6px 13px;border-radius:var(--r-pill);background:var(--bg-alt);
  color:var(--ink-2);transition:all .2s ease;
}
.chip:hover{background:var(--c-sand);color:#fff;}

/* ============ 相关推荐 ============ */
.section{padding:0 0 84px;}
.section__head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;}
.section__head h2{font-size:28px;}
.section__head p{font-size:15px;color:var(--ink-2);margin:8px 0 0;}
.section__more{font-size:14.5px;white-space:nowrap;}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px;}
.card{
  background:var(--white);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh);
  display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-h);}
.card__media{position:relative;aspect-ratio:16/9;overflow:hidden;border-radius:0;}
.card__media img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.card__tag{
  position:absolute;left:14px;top:14px;font-size:12.5px;padding:4px 12px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.94);color:var(--c-primary-d);font-weight:500;
}
.card__body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1;}
.card__body h3{font-size:17.5px;line-height:1.55;margin-bottom:10px;}
.card__body h3 a{color:var(--ink);}
.card__body h3 a:hover{color:var(--c-primary);}
.card__desc{font-size:14.5px;color:var(--ink-2);line-height:1.75;margin:0 0 16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card__foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-3);}

/* ============ 返回频道 CTA ============ */
.cta-band{
  background:var(--c-primary-d);border-radius:20px;padding:48px 52px;color:#EAF4F2;
  display:flex;align-items:center;justify-content:space-between;gap:36px;position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(192,138,78,.28),transparent 68%);
}
.cta-band__text{position:relative;z-index:1;max-width:620px;}
.cta-band h2{color:#fff;font-size:26px;margin-bottom:10px;}
.cta-band p{margin:0;font-size:15px;color:rgba(234,244,242,.8);line-height:1.75;}
.cta-band__actions{position:relative;z-index:1;display:flex;gap:14px;flex-wrap:wrap;}
.btn--light{background:#fff;color:var(--c-primary-d);}
.btn--light:hover{background:var(--c-primary-l);color:var(--c-primary-d);transform:translateY(-2px);}

/* ============ 页脚 ============ */
.site-footer{position:relative;background:var(--c-primary-d);color:#CFE3E0;padding:64px 0 28px;overflow:hidden;}
.site-footer__pattern{position:absolute;inset:0;width:100%;height:100%;opacity:.14;pointer-events:none;}
.site-footer .container{position:relative;z-index:1;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand__mark{background:rgba(255,255,255,.1);color:#EAF4F2;}
.footer-brand strong{color:#fff;font-size:17px;font-weight:600;}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600;}
.footer-links{list-style:none;margin:0;padding:0;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:#CFE3E0;font-size:14px;}
.footer-links a:hover{color:var(--c-sand);}
.footer-about{font-size:14px;line-height:1.8;color:rgba(207,227,224,.72);margin:0;}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:13px;color:rgba(207,227,224,.66);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .article-banner h1{font-size:34px;}
  .article-body{font-size:16.5px;}
}
@media (max-width:1024px){
  .article-layout{grid-template-columns:1fr;gap:32px;}
  .sidebar{position:static;flex-direction:row;flex-wrap:wrap;}
  .sidebar .widget,.sidebar .dl-card{flex:1 1 300px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 34px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .nav-toggle{display:inline-flex;}
  .search{display:none;}
  .channelbar{display:none;position:absolute;left:0;right:0;top:100%;background:var(--white);border-bottom:1px solid var(--line);box-shadow:var(--sh);}
  .channelbar.is-open{display:block;}
  .site-header{position:relative;}
  .channelbar__inner{flex-direction:column;padding:8px 16px 14px;gap:0;}
  .channel{width:100%;padding:13px 12px;border-bottom:1px solid var(--line);border-radius:8px;}
  .channel.is-active{border-bottom-color:var(--line);background:var(--c-primary-l);border-radius:8px;}
  .article-banner{padding:28px 22px;margin-top:16px;}
  .article-banner h1{font-size:26px;}
  .article-panel{padding:26px 20px;}
  .article-body{font-size:16px;}
  .article-body h2{font-size:22px;margin-top:34px;}
  .article-body h3{font-size:18px;}
  .article-wrap{padding:32px 0 60px;}
  .section{padding-bottom:56px;}
  .section__head{flex-direction:column;align-items:flex-start;}
  .section__head h2{font-size:23px;}
  .card-grid{grid-template-columns:1fr;}
  .pager{grid-template-columns:1fr;}
  .pager .pager--next{text-align:left;}
  .sidebar{flex-direction:column;}
  .cta-band{padding:32px 22px;border-radius:16px;}
  .cta-band h2{font-size:22px;}
  .btn{width:100%;}
  .cta-band__actions{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:520px){
  .brand__name{font-size:18px;}
  .article-banner h1{font-size:23px;}
  .article-meta{gap:12px;font-size:13px;}
  .article-panel{padding:22px 16px;}
  .btn{padding:13px 20px;min-height:48px;}
}

/* roulang page: category1 */
:root{
  --c-primary:#2A6B67;
  --c-primary-dark:#1C4E4B;
  --c-primary-light:#E4EFED;
  --c-accent:#C08A4E;
  --c-accent-hover:#A9763C;
  --c-highlight:#E07A4F;
  --c-bg:#F6F8F7;
  --c-surface:#FFFFFF;
  --c-alt:#EEF3F1;
  --c-ink:#1B2422;
  --c-ink-2:#55635F;
  --c-ink-3:#8A9995;
  --c-line:#DDE5E2;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-block:20px;
  --sh-1:0 1px 2px rgba(27,36,34,.05),0 8px 24px rgba(27,36,34,.06);
  --sh-2:0 12px 32px rgba(27,36,34,.10);
  --sp-section:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-accent-hover)}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.32;color:var(--c-ink);letter-spacing:0}
h1{font-size:40px}
h2{font-size:31px}
h3{font-size:21px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
table{border-collapse:separate;border-spacing:0}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
::selection{background:rgba(42,107,103,.16)}

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

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--c-line)}
.topbar__inner{display:flex;align-items:center;gap:24px;height:68px}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;color:var(--c-ink)}
.brand:hover{color:var(--c-ink)}
.brand__mark{
  width:38px;height:38px;border-radius:11px;flex:0 0 auto;
  background:var(--c-primary-light);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
}
.brand__mark svg{width:22px;height:22px}
.brand__text{display:flex;flex-direction:column;line-height:1.1}
.brand__name{font-size:19px;font-weight:700;letter-spacing:.02em}
.brand__sub{font-size:11px;color:var(--c-ink-3);letter-spacing:.2em;margin-top:3px}
.topbar__actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.search{
  display:flex;align-items:center;overflow:hidden;
  background:var(--c-bg);border:1px solid var(--c-line);border-radius:var(--r-btn);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(42,107,103,.12)}
.search input{
  width:212px;height:40px;border:0;outline:none;background:transparent;
  padding:0 14px;font-size:14px;color:var(--c-ink);
}
.search input::placeholder{color:var(--c-ink-3)}
.search button{
  height:40px;padding:0 16px;border:0;cursor:pointer;
  background:var(--c-primary);color:#fff;font-size:14px;
  transition:background .2s ease;
}
.search button:hover{background:var(--c-primary-dark)}

.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:40px;border-radius:var(--r-btn);
  background:#fff;border:1px solid var(--c-line);color:var(--c-ink-2);
  cursor:pointer;transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.nav-toggle:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-light)}

.channelbar{background:var(--c-alt);border-bottom:1px solid var(--c-line)}
.channelbar__inner{
  display:flex;align-items:center;gap:6px;height:50px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
}
.channelbar__inner::-webkit-scrollbar{display:none}
.channel{
  position:relative;display:inline-flex;align-items:center;
  height:50px;padding:0 16px;font-size:15px;color:var(--c-ink-2);
  white-space:nowrap;transition:color .2s ease,background .2s ease;
}
.channel::after{
  content:"";position:absolute;left:16px;right:16px;bottom:0;height:3px;
  border-radius:3px 3px 0 0;background:transparent;transition:background .2s ease;
}
.channel:hover{color:var(--c-primary);background:rgba(42,107,103,.06)}
.channel.is-active{color:var(--c-primary-dark);font-weight:600;background:#fff}
.channel.is-active::after{background:var(--c-primary)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border:1px solid transparent;border-radius:var(--r-btn);
  font-size:15px;font-weight:500;line-height:1;cursor:pointer;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn:active{transform:translateY(1px)}
.btn--primary{background:var(--c-primary);color:#fff;box-shadow:0 6px 16px rgba(28,78,75,.16)}
.btn--primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(28,78,75,.22)}
.btn--ghost{background:#fff;color:var(--c-primary);border-color:rgba(42,107,103,.35)}
.btn--ghost:hover{background:var(--c-primary-light);border-color:var(--c-primary);color:var(--c-primary-dark);transform:translateY(-2px)}
.btn--accent{background:var(--c-accent);color:#fff}
.btn--accent:hover{background:var(--c-accent-hover);color:#fff;transform:translateY(-2px)}
.btn--onDark{background:transparent;color:#fff;border-color:rgba(255,255,255,.42)}
.btn--onDark:hover{background:#fff;color:var(--c-primary-dark);transform:translateY(-2px)}
.btn--sm{height:40px;padding:0 18px;font-size:14px}
.btn--lg{height:52px;padding:0 30px;font-size:16px}
.btn--block{width:100%}

/* ---------- 频道切换标签条 ---------- */
.subtabs-wrap{background:#fff;border-bottom:1px solid var(--c-line)}
.subtabs{display:flex;gap:10px;padding:16px 0;overflow-x:auto;scrollbar-width:none}
.subtabs::-webkit-scrollbar{display:none}
.subtabs__item{
  padding:8px 18px;border-radius:999px;border:1px solid var(--c-line);background:#fff;
  color:var(--c-ink-2);font-size:14.5px;white-space:nowrap;
  transition:background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.subtabs__item:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-light)}
.subtabs__item.is-active{
  background:var(--c-primary);border-color:var(--c-primary);color:#fff;
  font-weight:500;box-shadow:0 6px 16px rgba(28,78,75,.18);
}

/* ---------- 页首 Banner ---------- */
.page-banner{position:relative;overflow:hidden;background:linear-gradient(180deg,#FFFFFF 0%,#EEF3F1 100%);border-bottom:1px solid var(--c-line)}
.page-banner__bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  opacity:.10;pointer-events:none;
}
.page-banner .container{position:relative;padding-top:52px;padding-bottom:56px}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--c-ink-3);margin-bottom:22px}
.crumbs a{color:var(--c-ink-2)}
.crumbs a:hover{color:var(--c-primary)}
.crumbs span[aria-hidden]{color:var(--c-ink-3)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;
  border-radius:999px;background:var(--c-primary-light);color:var(--c-primary-dark);
  font-size:13.5px;font-weight:500;margin-bottom:18px;
}
.page-banner h1{max-width:820px;margin-bottom:16px}
.page-banner__lead{max-width:780px;color:var(--c-ink-2);font-size:17px}
.meta-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.meta-tags span{
  display:inline-flex;align-items:center;gap:7px;height:34px;padding:0 14px;
  border-radius:999px;background:#fff;border:1px solid var(--c-line);
  color:var(--c-ink-2);font-size:13.5px;
}
.meta-tags b{color:var(--c-primary-dark);font-weight:600}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sp-section) 0}
.section--alt{background:var(--c-alt)}
.section--line{border-top:1px solid var(--c-line)}
.section-head{max-width:780px;margin-bottom:44px}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{margin-bottom:14px}
.section-head p{color:var(--c-ink-2);font-size:16.5px}
.section-head .eyebrow{margin-bottom:14px}

/* ---------- 功能网格 ---------- */
.fea-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:20px}
.fea-card{
  display:flex;flex-direction:column;gap:12px;
  background:var(--c-surface);border:1px solid transparent;border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.fea-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.fea-card h3{font-size:19px}
.fea-card p{color:var(--c-ink-2);font-size:15.5px;line-height:1.75}
.fea-card--lead{grid-column:span 7;grid-row:span 2;padding:0;overflow:hidden}
.fea-card--lead .fea-card__media{flex:1 1 auto;min-height:190px;overflow:hidden;background:var(--c-alt)}
.fea-card--lead .fea-card__media img{width:100%;height:100%;object-fit:cover}
.fea-card--lead .fea-card__body{padding:26px}
.fea-card--lead h3{font-size:23px;margin-bottom:10px}
.fea-card--wide{grid-column:span 5;flex-direction:row;align-items:flex-start;gap:16px}
.fea-card--wide h3{font-size:18px}
.fea-small{grid-column:span 3}
.fea-icon{
  width:44px;height:44px;flex:0 0 auto;border-radius:50%;
  background:var(--c-primary-light);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
}
.fea-icon svg{width:22px;height:22px}
.fea-card--lead .fea-icon{margin-bottom:14px}
.pill{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:999px;
  background:var(--c-alt);color:var(--c-primary-dark);font-size:12.5px;font-weight:500;
}
.pill--accent{background:rgba(192,138,78,.14);color:var(--c-accent-hover)}

/* ---------- 对比区 ---------- */
.compare-wrap{
  background:var(--c-surface);border-radius:var(--r-block);padding:10px;
  box-shadow:var(--sh-1);
}
.compare-scroll{overflow-x:auto;border-radius:12px}
.compare-table{width:100%;min-width:660px;font-size:15.5px}
.compare-table thead th{
  background:var(--c-primary-light);color:var(--c-primary-dark);
  font-size:15px;font-weight:600;text-align:left;padding:16px 18px;
}
.compare-table thead th:first-child{border-radius:10px 0 0 10px}
.compare-table thead th:last-child{border-radius:0 10px 10px 0}
.compare-table tbody td{
  padding:16px 18px;border-bottom:1px solid var(--c-line);
  color:var(--c-ink-2);vertical-align:top;
}
.compare-table tbody tr:last-child td{border-bottom:0}
.compare-table tbody tr:hover td{background:#F3F8F7}
.compare-table tbody td:first-child{color:var(--c-ink);font-weight:500;width:22%}
.compare-note{
  margin-top:20px;display:flex;align-items:flex-start;gap:10px;
  color:var(--c-ink-3);font-size:14px;
}
.compare-note svg{width:18px;height:18px;flex:0 0 auto;margin-top:4px;color:var(--c-accent)}

/* ---------- 场景卡 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.scene-card{
  background:var(--c-surface);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease;
}
.scene-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.scene-card__media{aspect-ratio:16/10;overflow:hidden;background:var(--c-alt)}
.scene-card__media img{width:100%;height:100%;object-fit:cover}
.scene-card__body{padding:24px;display:flex;flex-direction:column;gap:10px}
.scene-card__body h3{font-size:19px}
.scene-card__body p{color:var(--c-ink-2);font-size:15.5px}
.scene-card ul{margin-top:4px;display:flex;flex-direction:column;gap:8px}
.scene-card li{
  position:relative;padding-left:18px;color:var(--c-ink-2);font-size:14.5px;line-height:1.7;
}
.scene-card li::before{
  content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;
  background:var(--c-accent);
}

/* ---------- 适配规格条 ---------- */
.spec-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.spec-card{
  background:var(--c-surface);border-radius:var(--r-card);padding:24px;
  box-shadow:var(--sh-1);display:flex;flex-direction:column;gap:8px;
  border-top:3px solid var(--c-primary-light);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.spec-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-top-color:var(--c-accent)}
.spec-card__label{font-size:13.5px;color:var(--c-ink-3);letter-spacing:.04em}
.spec-card__value{font-size:19px;font-weight:600;color:var(--c-primary-dark)}
.spec-card p{font-size:14.5px;color:var(--c-ink-2)}

/* ---------- FAQ ---------- */
.faq{max-width:860px;margin:0 auto}
.faq details{border-bottom:1px solid var(--c-line);padding:4px 0}
.faq details:first-of-type{border-top:1px solid var(--c-line)}
.faq summary{
  position:relative;list-style:none;cursor:pointer;
  padding:20px 52px 20px 20px;font-size:18px;font-weight:600;color:var(--c-ink);
  transition:color .2s ease;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{
  content:"";position:absolute;left:0;top:20px;bottom:20px;width:3px;border-radius:3px;
  background:transparent;transition:background .2s ease;
}
.faq summary::after{
  content:"";position:absolute;right:18px;top:50%;width:11px;height:11px;margin-top:-8px;
  border-right:2px solid var(--c-ink-3);border-bottom:2px solid var(--c-ink-3);
  transform:rotate(45deg);transition:transform .25s ease,border-color .25s ease;
}
.faq summary:hover{color:var(--c-primary)}
.faq details[open] summary{color:var(--c-primary-dark)}
.faq details[open] summary::before{background:var(--c-primary)}
.faq details[open] summary::after{transform:rotate(-135deg);margin-top:-2px;border-color:var(--c-primary)}
.faq__answer{padding:0 52px 22px 20px;color:var(--c-ink-2);font-size:16px;line-height:1.85}

/* ---------- 深色 CTA ---------- */
.cta-block{
  position:relative;overflow:hidden;border-radius:var(--r-block);
  background:var(--c-primary-dark);color:#fff;padding:56px;
}
.cta-block__pattern{position:absolute;inset:0;width:100%;height:100%;opacity:.42;pointer-events:none}
.cta-block__inner{position:relative;display:grid;grid-template-columns:1.5fr 1fr;gap:40px;align-items:center}
.cta-block h2{color:#fff;margin-bottom:14px}
.cta-block p{color:#BBD3CF;font-size:16.5px;max-width:640px}
.cta-block__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.cta-side{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-card);padding:24px;
}
.cta-side h3{color:#fff;font-size:17px;margin-bottom:12px}
.cta-side ul{display:flex;flex-direction:column;gap:10px}
.cta-side li{display:flex;gap:9px;align-items:flex-start;color:#C6DCD8;font-size:14.5px;line-height:1.7}
.cta-side li svg{width:16px;height:16px;flex:0 0 auto;margin-top:5px;color:var(--c-accent)}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;overflow:hidden;background:var(--c-primary-dark);
  color:#CFE0DD;padding:64px 0 0;margin-top:0;
}
.site-footer__pattern{position:absolute;inset:0;width:100%;height:100%;opacity:.5;pointer-events:none}
.footer-grid{
  position:relative;display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;
  gap:36px;padding-bottom:44px;
}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:16px;font-weight:600}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;margin-bottom:14px}
.footer-brand strong{font-size:16.5px;font-weight:600}
.footer-brand .brand__mark{background:rgba(255,255,255,.1);color:#fff}
.footer-about{color:#A9C3BF;font-size:14px;line-height:1.8;max-width:360px}
.footer-links li{margin-bottom:10px}
.footer-links a{color:#CFE0DD;font-size:14.5px}
.footer-links a:hover{color:var(--c-accent)}
.footer-bottom{
  position:relative;display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 28px;
  font-size:13.5px;color:#8FB0AC;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  h1{font-size:36px}
  h2{font-size:29px}
  .fea-card--lead{grid-column:span 12;grid-row:auto}
  .fea-card--wide{grid-column:span 6}
  .fea-small{grid-column:span 6}
  .spec-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991px){
  :root{--sp-section:64px}
  .search input{width:170px}
  .channelbar{display:none}
  .site-header.is-open .channelbar{
    display:block;position:absolute;left:0;right:0;top:100%;background:#fff;
    border-bottom:1px solid var(--c-line);box-shadow:0 18px 40px rgba(27,36,34,.14);
  }
  .site-header.is-open .channelbar__inner{
    flex-direction:column;align-items:stretch;height:auto;padding:10px 24px 18px;
    gap:2px;overflow:visible;
  }
  .site-header.is-open .channel{
    height:46px;width:100%;justify-content:flex-start;
    padding:0 14px;border-radius:10px;
  }
  .site-header.is-open .channel::after{display:none}
  .site-header.is-open .channel.is-active{background:var(--c-primary-light)}
  .nav-toggle{display:inline-flex}
  .fea-card--lead .fea-card__media{min-height:220px}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .cta-block{padding:44px}
  .cta-block__inner{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:767px){
  :root{--sp-section:48px}
  h1{font-size:28px}
  h2{font-size:24px}
  h3{font-size:19px}
  .container,.grid-container{padding-left:16px;padding-right:16px}
  .topbar__inner{height:62px;gap:12px}
  .search{display:none}
  .brand__name{font-size:17px}
  .page-banner .container{padding-top:36px;padding-bottom:40px}
  .page-banner__lead{font-size:16px}
  .section-head{margin-bottom:32px}
  .fea-grid{gap:14px}
  .fea-card--wide,.fea-small,.fea-card--lead{grid-column:span 12}
  .fea-card{padding:22px}
  .fea-card--lead{padding:0}
  .scene-grid{grid-template-columns:1fr}
  .spec-grid{grid-template-columns:1fr}
  .faq summary{font-size:16.5px;padding:18px 44px 18px 16px}
  .faq__answer{padding:0 44px 20px 16px;font-size:15.5px}
  .cta-block{padding:32px 24px;border-radius:16px}
  .cta-block__actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .site-footer{padding-top:48px}
  .btn--lg{height:50px;padding:0 22px;font-size:15.5px}
}
@media (max-width:479px){
  h1{font-size:26px}
  .meta-tags span{font-size:13px;height:32px}
  .compare-table{font-size:14.5px}
}

/* roulang page: category2 */
:root{
  --c-primary:#2A6B67;
  --c-primary-dark:#1C4E4B;
  --c-primary-light:#E4EFED;
  --c-sand:#C08A4E;
  --c-sand-dark:#A9763C;
  --c-orange:#E07A4F;
  --bg:#F6F8F7;
  --bg-alt:#EEF3F1;
  --white:#FFFFFF;
  --ink:#1B2422;
  --ink-2:#55635F;
  --ink-3:#8A9995;
  --line:#DDE5E2;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(27,36,34,.05),0 8px 24px rgba(27,36,34,.06);
  --sh-2:0 12px 32px rgba(27,36,34,.10);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.8;
  letter-spacing:.01em;
  color:var(--ink);
  background:var(--bg);
  font-weight:400;
}
h1,h2,h3,h4,h5,p,ul,ol,figure,blockquote,pre{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--c-sand-dark)}
h1,h2,h3,h4{font-weight:700;line-height:1.3;color:var(--ink);letter-spacing:0}
h1{font-size:42px}
h2{font-size:31px;font-weight:700}
h3{font-size:21px;font-weight:600}
h4{font-size:16.5px;font-weight:600}
button,input,select,textarea{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--c-sand);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--alt{background:var(--bg-alt)}
.section--tight{padding-top:64px}
.section__head{max-width:780px;margin-bottom:40px}
.section__head h2{margin-bottom:14px}
.section__head p{color:var(--ink-2);font-size:16.5px}
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13.5px;font-weight:500;letter-spacing:.06em;
  color:var(--c-primary-dark);background:var(--c-primary-light);
  border-radius:var(--r-pill);padding:5px 14px;margin-bottom:16px;
}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-family:inherit;font-size:15.5px;font-weight:500;line-height:1.2;
  padding:13px 24px;border-radius:var(--r-btn);border:1px solid transparent;
  cursor:pointer;text-align:center;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn svg{width:18px;height:18px;flex:0 0 auto}
.btn--primary{background:var(--c-primary);color:#fff;box-shadow:0 1px 2px rgba(27,36,34,.08)}
.btn--primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn--primary:active{transform:translateY(0);box-shadow:0 1px 2px rgba(27,36,34,.12)}
.btn--ghost{background:#fff;color:var(--c-primary);border-color:var(--c-primary)}
.btn--ghost:hover{background:var(--c-primary-light);color:var(--c-primary-dark);transform:translateY(-2px)}
.btn--sand{background:var(--c-sand);color:#fff}
.btn--sand:hover{background:var(--c-sand-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn--light{background:#fff;color:var(--c-primary-dark)}
.btn--light:hover{background:#EAF4F2;color:var(--c-primary-dark);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn--sm{padding:9px 18px;font-size:14px}
.btn--block{width:100%}

/* ===== 顶栏与频道导航 ===== */
.site-header{position:relative;z-index:60}
.topbar{background:#fff;border-bottom:1px solid var(--line)}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:70px}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand__mark{
  width:42px;height:42px;border-radius:13px;background:var(--c-primary-light);
  color:var(--c-primary);display:grid;place-items:center;flex:0 0 auto;
}
.brand__mark svg{width:23px;height:23px}
.brand__text{display:flex;flex-direction:column}
.brand__name{font-size:19px;font-weight:700;line-height:1.25;letter-spacing:.01em}
.brand__sub{font-size:12.5px;color:var(--ink-3);line-height:1.45;letter-spacing:.14em}
.topbar__actions{display:flex;align-items:center;gap:12px}
.search{
  display:flex;align-items:center;gap:6px;background:var(--bg-alt);
  border:1px solid var(--line);border-radius:var(--r-pill);padding:4px 4px 4px 16px;
}
.search input{
  border:0;background:transparent;outline:none;width:196px;
  font-size:14.5px;color:var(--ink);padding:6px 0;
}
.search input::placeholder{color:var(--ink-3)}
.search button{
  border:0;background:var(--c-primary);color:#fff;border-radius:var(--r-pill);
  padding:8px 18px;font-size:14px;cursor:pointer;transition:background .18s ease;
}
.search button:hover{background:var(--c-primary-dark)}
.nav-toggle{
  display:none;align-items:center;justify-content:center;width:42px;height:42px;
  border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--c-primary-dark);cursor:pointer;
}
.nav-toggle:hover{background:var(--c-primary-light)}
.channelbar{background:#F1F6F4;border-bottom:1px solid var(--line)}
.channelbar__inner{display:flex;gap:4px;overflow-x:auto;scrollbar-width:none}
.channelbar__inner::-webkit-scrollbar{display:none}
.channel{
  position:relative;padding:14px 16px;font-size:15px;font-weight:500;
  color:var(--ink-2);white-space:nowrap;
}
.channel:hover{color:var(--c-primary)}
.channel.is-active{color:var(--ink);font-weight:700}
.channel.is-active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:0;height:3px;
  background:var(--c-primary);border-radius:3px 3px 0 0;
}

/* ===== 频道标签条 ===== */
.page-tabs{background:#fff;border-bottom:1px solid var(--line)}
.page-tabs__inner{display:flex;align-items:center;gap:10px;padding-top:14px;padding-bottom:14px;overflow-x:auto;scrollbar-width:none}
.page-tabs__inner::-webkit-scrollbar{display:none}
.page-tabs__label{font-size:13px;color:var(--ink-3);letter-spacing:.08em;padding-right:4px;white-space:nowrap}
.ptab{
  display:inline-flex;align-items:center;white-space:nowrap;
  font-size:14.5px;font-weight:500;color:var(--ink-2);
  border:1px solid var(--line);background:var(--bg);border-radius:var(--r-pill);
  padding:7px 18px;transition:.18s ease;
}
.ptab:hover{color:var(--c-primary);border-color:var(--c-primary);background:var(--c-primary-light)}
.ptab.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;font-weight:600}
.ptab.is-active:hover{color:#fff;background:var(--c-primary-dark);border-color:var(--c-primary-dark)}

/* ===== Banner ===== */
.page-banner{position:relative;overflow:hidden;background:linear-gradient(180deg,#F6F8F7 0%,#E8F0EE 100%);border-bottom:1px solid var(--line)}
.page-banner__bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.12;pointer-events:none;
}
.page-banner__inner{position:relative;padding:60px 0 64px;max-width:900px}
.page-banner h1{margin-bottom:16px}
.page-banner__lead{font-size:17px;color:var(--ink-2);max-width:720px}
.fact-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.fact{
  display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-pill);padding:8px 18px;font-size:14px;color:var(--ink-2);box-shadow:var(--sh-1);
}
.fact b{color:var(--c-primary-dark);font-weight:600}
.fact svg{width:16px;height:16px;color:var(--c-primary)}

/* ===== 下载通道 ===== */
.dl-panel{
  background:var(--c-primary-dark);border-radius:20px;padding:48px;
  color:#EAF4F2;position:relative;overflow:hidden;
}
.dl-panel::after{
  content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;border-radius:50%;
  border:1px solid rgba(234,244,242,.14);pointer-events:none;
}
.dl-panel__head{max-width:720px;margin-bottom:34px;position:relative}
.dl-panel__head h2{color:#fff;margin-bottom:12px}
.dl-panel__head p{color:rgba(234,244,242,.78);font-size:16px}
.dl-panel__grid{display:grid;grid-template-columns:1.7fr 1fr;gap:32px;position:relative;align-items:start}
.dl-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.dl-card{
  background:rgba(255,255,255,.07);border:1px solid rgba(234,244,242,.16);
  border-radius:var(--r-card);padding:22px;display:flex;flex-direction:column;gap:12px;
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease;
}
.dl-card:hover{transform:translateY(-3px);background:rgba(255,255,255,.11);box-shadow:0 16px 34px rgba(0,0,0,.22)}
.dl-card__icon{
  width:42px;height:42px;border-radius:13px;background:rgba(234,244,242,.14);
  display:grid;place-items:center;color:#EAF4F2;
}
.dl-card__icon svg{width:21px;height:21px}
.dl-card h3{color:#fff;font-size:18px;margin-bottom:2px}
.dl-card p{color:rgba(234,244,242,.72);font-size:14.5px;line-height:1.7}
.dl-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:2px}
.dl-meta span{
  font-size:12.5px;color:#EAF4F2;background:rgba(234,244,242,.12);
  border-radius:var(--r-pill);padding:3px 11px;letter-spacing:.01em;
}
.dl-card .btn{margin-top:auto}
.dl-aside{
  background:#fff;border-radius:var(--r-card);padding:22px;text-align:center;
  box-shadow:0 18px 40px rgba(0,0,0,.18);
}
.dl-aside h3{font-size:16.5px;margin-bottom:4px;color:var(--ink)}
.dl-aside p{font-size:13.5px;color:var(--ink-3);line-height:1.7}
.qr-box{
  width:180px;height:180px;margin:14px auto;border:1px solid var(--line);
  border-radius:var(--r-img);background:#fff;display:grid;place-items:center;padding:8px;
}
.qr-box svg{width:100%;height:100%}
.dl-panel__note{
  margin-top:30px;padding-top:22px;border-top:1px solid rgba(234,244,242,.16);
  font-size:13.5px;color:rgba(234,244,242,.66);line-height:1.8;position:relative;
}
.dl-panel__note b{color:#EAF4F2;font-weight:500}

/* ===== 系统要求 ===== */
.spec-grid{margin-top:6px}
.spec-item{margin-bottom:24px}
.spec-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;height:100%;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease;
}
.spec-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.spec-card__label{font-size:13px;color:var(--ink-3);letter-spacing:.05em}
.spec-card__value{font-size:16.5px;font-weight:600;color:var(--ink);margin:8px 0 12px;line-height:1.6}
.badge{
  display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:500;
  padding:4px 12px;border-radius:var(--r-pill);letter-spacing:.02em;
}
.badge--ok{background:var(--c-primary-light);color:var(--c-primary-dark)}
.badge--suggest{background:#F7EFE4;color:var(--c-sand-dark)}
.badge--note{background:#FBEDE5;color:#B4552C}
.inline-cta{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:8px;
  padding:18px 24px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  font-size:15px;color:var(--ink-2);
}
.inline-cta a{font-weight:600;display:inline-flex;align-items:center;gap:6px}
.inline-cta a svg{width:16px;height:16px}

/* ===== 校验说明 ===== */
.verify-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.verify-media{border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-2);position:relative}
.verify-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.verify-media figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:14px 18px;font-size:13.5px;color:#fff;
  background:linear-gradient(180deg,rgba(27,36,34,0) 0%,rgba(27,36,34,.72) 100%);
}
.step-list{counter-reset:step;margin-top:26px}
.step-list li{
  position:relative;padding:0 0 24px 52px;counter-increment:step;
}
.step-list li::before{
  content:counter(step);position:absolute;left:0;top:2px;
  width:32px;height:32px;border-radius:50%;background:var(--c-primary-light);
  color:var(--c-primary-dark);font-size:14.5px;font-weight:700;
  display:grid;place-items:center;
}
.step-list li h3{font-size:17px;margin-bottom:4px}
.step-list li p{color:var(--ink-2);font-size:15.5px}
.step-list li:last-child{padding-bottom:0}
.code{
  background:#1B2422;color:#DDE9E6;border-radius:var(--r-btn);
  padding:14px 18px;font-size:13.5px;line-height:1.7;overflow-x:auto;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;margin-top:10px;
}

/* ===== 版本时间线 ===== */
.timeline{position:relative;margin-top:10px;border-left:2px solid var(--line);padding-left:30px;margin-left:6px}
.tl-item{position:relative;padding-bottom:34px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-39px;top:9px;width:12px;height:12px;border-radius:50%;
  background:#fff;border:3px solid var(--c-primary);
}
.tl-item.is-latest::before{border-color:var(--c-sand)}
.tl-head{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:8px}
.tl-ver{font-size:17.5px;font-weight:700;color:var(--c-primary-dark)}
.tl-date{font-size:13.5px;color:var(--ink-3)}
.tl-tag{
  font-size:12.5px;font-weight:500;color:var(--c-sand-dark);background:#F7EFE4;
  border-radius:var(--r-pill);padding:3px 11px;
}
.tl-item p{color:var(--ink-2);font-size:15.5px;max-width:820px}

/* ===== FAQ ===== */
.faq{max-width:860px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1)}
.faq__item{border-bottom:1px solid var(--line)}
.faq__item:last-child{border-bottom:0}
.faq__q{
  position:relative;width:100%;text-align:left;background:none;border:0;
  padding:20px 56px 20px 22px;font-size:17px;font-weight:600;color:var(--ink);
  cursor:pointer;transition:color .18s ease,background .18s ease;
}
.faq__q::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;
  background:var(--c-primary);border-radius:0 3px 3px 0;opacity:0;transition:opacity .2s ease;
}
.faq__q::after{
  content:"";position:absolute;right:24px;top:50%;width:10px;height:10px;
  border-right:2px solid var(--c-primary);border-bottom:2px solid var(--c-primary);
  transform:translateY(-72%) rotate(45deg);transition:transform .25s ease;
}
.faq__item.is-open .faq__q{color:var(--c-primary-dark);background:#F8FBFA}
.faq__item.is-open .faq__q::before{opacity:1}
.faq__item.is-open .faq__q::after{transform:translateY(-28%) rotate(-135deg)}
.faq__a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq__a p{padding:0 56px 22px 22px;color:var(--ink-2);font-size:15.5px}

/* ===== CTA ===== */
.cta-block{
  background:#fff;border:1px solid var(--line);border-radius:20px;
  padding:44px;box-shadow:var(--sh-1);
  display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;
}
.cta-block h2{margin-bottom:14px}
.cta-block p{color:var(--ink-2)}
.cta-list{margin:22px 0 28px}
.cta-list li{position:relative;padding-left:26px;font-size:15.5px;color:var(--ink-2);margin-bottom:10px}
.cta-list li::before{
  content:"";position:absolute;left:0;top:11px;width:9px;height:9px;border-radius:50%;
  background:var(--c-primary-light);border:2px solid var(--c-primary);
}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-media{border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-2)}
.cta-media img{width:100%;aspect-ratio:4/3;object-fit:cover}

/* ===== 页脚 ===== */
.site-footer{position:relative;background:var(--c-primary-dark);color:#C9DEDA;margin-top:0;overflow:hidden}
.site-footer__pattern{position:absolute;inset:0;width:100%;height:100%;opacity:.5;pointer-events:none}
.site-footer .container{position:relative;padding-top:64px;padding-bottom:26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:12px;color:#fff;margin-bottom:16px}
.footer-brand .brand__mark{background:rgba(234,244,242,.14);color:#EAF4F2}
.footer-brand strong{font-size:17px;font-weight:700;color:#fff;letter-spacing:.01em}
.site-footer h4{color:#fff;font-size:15.5px;margin-bottom:16px;font-weight:600}
.footer-about{font-size:14.5px;line-height:1.85;color:rgba(201,222,218,.78);max-width:340px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14.5px;color:rgba(201,222,218,.86)}
.footer-links a:hover{color:var(--c-sand)}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(234,244,242,.16);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13.5px;color:rgba(201,222,218,.62);
}

/* ===== 移动抽屉 ===== */
.nav-drawer{
  position:fixed;inset:0;z-index:120;background:rgba(27,36,34,.45);
  opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease;
}
.nav-drawer.is-open{opacity:1;visibility:visible}
.nav-drawer__panel{
  position:absolute;top:0;right:0;height:100%;width:min(330px,86vw);background:#fff;
  padding:24px;overflow-y:auto;transform:translateX(100%);transition:transform .28s ease;
  display:flex;flex-direction:column;gap:6px;
}
.nav-drawer.is-open .nav-drawer__panel{transform:translateX(0)}
.nav-drawer__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.nav-drawer__top strong{font-size:17px;color:var(--c-primary-dark)}
.nav-drawer__close{
  width:38px;height:38px;border-radius:12px;border:1px solid var(--line);background:#fff;
  color:var(--ink-2);font-size:20px;line-height:1;cursor:pointer;
}
.nav-drawer__close:hover{background:var(--bg-alt);color:var(--ink)}
.nav-drawer__group{font-size:12.5px;color:var(--ink-3);letter-spacing:.08em;margin:12px 0 6px}
.drawer-link{
  display:block;padding:12px 14px;border-radius:var(--r-btn);font-size:15.5px;
  color:var(--ink-2);font-weight:500;
}
.drawer-link:hover{background:var(--bg-alt);color:var(--c-primary)}
.drawer-link.is-active{background:var(--c-primary-light);color:var(--c-primary-dark);font-weight:700}
.drawer-search{display:flex;gap:8px;margin-top:10px}
.drawer-search input{
  flex:1;min-width:0;border:1px solid var(--line);border-radius:var(--r-btn);
  padding:11px 14px;font-size:14.5px;background:var(--bg);color:var(--ink);
}
.drawer-search input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(42,107,103,.14)}
.nav-drawer .btn{margin-top:16px}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  h1{font-size:38px}
  .dl-panel{padding:40px}
  .dl-panel__grid{grid-template-columns:1fr;gap:26px}
  .dl-cards{grid-template-columns:repeat(3,1fr)}
  .dl-aside{max-width:330px;text-align:left;display:flex;gap:20px;align-items:center}
  .qr-box{margin:0;flex:0 0 auto}
}
@media (max-width:991px){
  .container{padding:0 20px}
  h1{font-size:33px}
  h2{font-size:27px}
  .section{padding:64px 0}
  .search{display:none}
  .channelbar{display:none}
  .nav-toggle{display:inline-flex}
  .verify-grid{grid-template-columns:1fr;gap:32px}
  .cta-block{grid-template-columns:1fr;gap:30px;padding:34px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .dl-cards{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  .container{padding:0 16px}
  body{font-size:16px}
  h1{font-size:28px}
  h2{font-size:24px}
  h3{font-size:19px}
  .section{padding:48px 0}
  .page-banner__inner{padding:42px 0 46px}
  .page-banner__lead{font-size:16px}
  .dl-panel{padding:28px 20px;border-radius:16px}
  .dl-cards{grid-template-columns:1fr}
  .dl-aside{flex-direction:column;text-align:center;max-width:none}
  .qr-box{margin:14px auto}
  .btn{width:100%}
  .topbar__actions .btn{width:auto}
  .fact-row .fact{font-size:13.5px;padding:7px 14px}
  .faq__q{padding:17px 48px 17px 18px;font-size:16px}
  .faq__a p{padding:0 48px 20px 18px;font-size:15px}
  .cta-block{padding:26px 20px;border-radius:16px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .inline-cta{padding:16px}
}
@media (max-width:479px){
  h1{font-size:26px}
  .brand__name{font-size:17px}
  .brand__mark{width:38px;height:38px}
  .fact-row{gap:8px}
  .step-list li{padding-left:44px}
  .timeline{padding-left:22px}
  .tl-item::before{left:-31px}
}

/* roulang page: category3 */
:root{
  --c-primary:#2A6B67;
  --c-primary-dark:#1C4E4B;
  --c-primary-soft:#E4EFED;
  --c-accent:#C08A4E;
  --c-accent-dark:#A9763C;
  --c-highlight:#E07A4F;
  --c-bg:#F6F8F7;
  --c-bg-alt:#EEF3F1;
  --c-white:#FFFFFF;
  --c-ink:#1B2422;
  --c-ink-2:#55635F;
  --c-ink-3:#8A9995;
  --c-line:#DDE5E2;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(27,36,34,.05), 0 8px 24px rgba(27,36,34,.06);
  --sh-2:0 12px 32px rgba(27,36,34,.10);
  --sp-section:96px;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--c-ink);
  background:var(--c-bg);
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-accent);}
h1,h2,h3,h4{margin:0;font-weight:650;line-height:1.3;letter-spacing:0;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
input,button{font-size:inherit;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:var(--sp-section) 0;}
.section--alt{background:var(--c-bg-alt);}
.section__head{max-width:760px;margin-bottom:44px;}
.section__head--center{margin-left:auto;margin-right:auto;text-align:center;}
.section__eyebrow{
  display:inline-block;font-size:14px;font-weight:600;color:var(--c-primary);
  background:var(--c-primary-soft);border-radius:var(--r-pill);padding:4px 14px;margin-bottom:16px;
}
h2.section__title{font-size:31px;margin-bottom:14px;}
.section__desc{color:var(--c-ink-2);font-size:16px;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);border:1px solid transparent;
  padding:13px 26px;font-size:16px;font-weight:600;line-height:1.2;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  text-align:center;
}
.btn--primary{background:var(--c-primary);color:#fff;box-shadow:0 6px 18px rgba(42,107,103,.22);}
.btn--primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn--primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(42,107,103,.18);}
.btn--ghost{background:#fff;color:var(--c-primary);border-color:var(--c-primary);}
.btn--ghost:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);}
.btn--sm{padding:9px 18px;font-size:14px;}
.btn--block{width:100%;}

/* 顶部导航 */
.site-header{position:sticky;top:0;z-index:60;background:#fff;box-shadow:0 1px 0 var(--c-line);}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:70px;}
.brand{display:flex;align-items:center;gap:11px;color:var(--c-ink);}
.brand:hover{color:var(--c-ink);}
.brand__mark{
  width:42px;height:42px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-primary-soft);color:var(--c-primary);flex:none;
}
.brand__mark svg{width:24px;height:24px;}
.brand__text{display:flex;flex-direction:column;line-height:1.15;}
.brand__name{font-size:19px;font-weight:700;letter-spacing:.02em;}
.brand__sub{font-size:12px;color:var(--c-ink-3);letter-spacing:.16em;}
.topbar__actions{display:flex;align-items:center;gap:12px;}
.search{display:flex;align-items:center;background:var(--c-bg-alt);border:1px solid var(--c-line);border-radius:var(--r-btn);padding:3px 3px 3px 12px;}
.search input{border:0;background:transparent;min-width:200px;padding:8px 6px;color:var(--c-ink);}
.search input:focus{outline:none;}
.search button{
  border:0;background:var(--c-primary);color:#fff;border-radius:8px;padding:8px 16px;font-size:14px;font-weight:600;
  transition:background-color .2s ease;
}
.search button:hover{background:var(--c-primary-dark);}
.nav-toggle{display:none;background:#fff;border:1px solid var(--c-line);border-radius:10px;padding:8px 10px;color:var(--c-ink);}
.channelbar{background:var(--c-bg-alt);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.channelbar__inner{display:flex;align-items:center;gap:6px;min-height:50px;overflow-x:auto;}
.channel{
  position:relative;flex:none;padding:14px 16px;font-size:15px;font-weight:500;color:var(--c-ink-2);
  border-bottom:3px solid transparent;white-space:nowrap;
}
.channel:hover{color:var(--c-primary);}
.channel.is-active{color:var(--c-primary-dark);font-weight:700;border-bottom-color:var(--c-primary);}

/* 频道切换标签条 */
.channel-tabs{padding:22px 0 0;}
.tabs-row{display:flex;flex-wrap:wrap;gap:10px;}
.tab-pill{
  display:inline-flex;align-items:center;gap:8px;padding:9px 20px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:#fff;color:var(--c-ink-2);font-size:14.5px;font-weight:500;
  transition:all .2s ease;
}
.tab-pill:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-1px);}
.tab-pill.is-current{background:var(--c-primary);border-color:var(--c-primary);color:#fff;font-weight:600;box-shadow:0 6px 16px rgba(42,107,103,.2);}
.tab-pill.is-current:hover{color:#fff;}

/* 窄 Banner */
.page-banner{
  margin-top:22px;border-radius:18px;overflow:hidden;position:relative;
  background-image:linear-gradient(100deg,rgba(28,78,75,.94),rgba(42,107,103,.78)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  color:#fff;padding:52px 48px;
}
.page-banner__crumb{font-size:13.5px;color:rgba(255,255,255,.72);margin-bottom:14px;}
.page-banner__crumb a{color:rgba(255,255,255,.82);}
.page-banner__crumb a:hover{color:#fff;}
.page-banner__crumb span{margin:0 8px;}
.page-banner h1{font-size:38px;color:#fff;margin-bottom:16px;max-width:820px;}
.page-banner p{max-width:760px;color:rgba(255,255,255,.86);font-size:16.5px;margin-bottom:0;}
.page-banner__tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.page-banner__tags span{
  font-size:13.5px;padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);color:#fff;
}

/* 步骤流 */
.step-flow{display:flex;flex-direction:column;gap:60px;}
.step{
  display:grid;grid-template-columns:88px minmax(0,1fr) 340px;gap:34px;align-items:start;
}
.step__index{
  grid-column:1;grid-row:1;
  font-size:30px;font-weight:700;color:var(--c-primary);
  background:var(--c-primary-soft);border-radius:var(--r-card);
  width:88px;height:88px;display:flex;align-items:center;justify-content:center;
}
.step__body{grid-column:2;grid-row:1;}
.step__body h3{font-size:22px;margin-bottom:12px;}
.step__body p{color:var(--c-ink-2);}
.step__points{margin-top:18px;display:flex;flex-direction:column;gap:10px;}
.step__points li{position:relative;padding-left:24px;font-size:15.5px;color:var(--c-ink-2);}
.step__points li::before{
  content:"";position:absolute;left:0;top:11px;width:9px;height:9px;border-radius:3px;
  background:var(--c-accent);opacity:.85;
}
.step__media{
  grid-column:3;grid-row:1;margin:0;border-radius:var(--r-img);overflow:hidden;
  box-shadow:var(--sh-1);background:#fff;
}
.step__media img{border-radius:var(--r-img);width:100%;}
.step--reverse{grid-template-columns:88px 340px minmax(0,1fr);}
.step--reverse .step__index{grid-column:1;}
.step--reverse .step__media{grid-column:2;}
.step--reverse .step__body{grid-column:3;}
.step__note{
  margin-top:18px;background:var(--c-primary-soft);border-left:3px solid var(--c-primary);
  border-radius:0 10px 10px 0;padding:14px 18px;font-size:14.5px;color:var(--c-primary-dark);
}

/* 提示卡列表 */
.tips-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.tip-card{
  background:#fff;border-radius:var(--r-card);padding:26px 24px;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease;border:1px solid transparent;
}
.tip-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--c-line);}
.tip-card__icon{
  width:44px;height:44px;border-radius:50%;background:var(--c-primary-soft);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.tip-card__icon svg{width:22px;height:22px;}
.tip-card h3{font-size:18px;margin-bottom:10px;}
.tip-card p{font-size:15px;color:var(--c-ink-2);margin-bottom:0;}

/* FAQ */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-item:first-child{border-top:1px solid var(--c-line);}
.faq-q{
  width:100%;background:transparent;border:0;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 4px 22px 0;font-size:18px;font-weight:600;color:var(--c-ink);
  border-left:3px solid transparent;padding-left:0;transition:all .2s ease;
}
.faq-q:hover{color:var(--c-primary);}
.faq-item.is-open .faq-q{border-left-color:var(--c-primary);padding-left:16px;color:var(--c-primary-dark);}
.faq-q__icon{
  flex:none;width:26px;height:26px;border-radius:50%;border:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:center;color:var(--c-primary);
  transition:transform .25s ease,background-color .25s ease;font-size:16px;line-height:1;
}
.faq-item.is-open .faq-q__icon{transform:rotate(45deg);background:var(--c-primary-soft);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a__inner{padding:0 0 22px 0;color:var(--c-ink-2);font-size:15.5px;}
.faq-item.is-open .faq-a__inner{padding-left:16px;}

/* CTA */
.cta-block{
  background:var(--c-primary-dark);border-radius:20px;padding:56px 48px;color:#fff;
  display:grid;grid-template-columns:1.4fr .9fr;gap:40px;align-items:center;position:relative;overflow:hidden;
}
.cta-block h2{color:#fff;font-size:30px;margin-bottom:14px;}
.cta-block p{color:rgba(255,255,255,.82);margin-bottom:0;}
.cta-block__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.cta-block .btn--primary{background:var(--c-accent);box-shadow:0 6px 18px rgba(192,138,78,.28);}
.cta-block .btn--primary:hover{background:var(--c-accent-dark);}
.cta-block .btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);}
.cta-block .btn--ghost:hover{background:rgba(255,255,255,.12);color:#fff;}
.cta-side{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:var(--r-card);
  padding:24px;
}
.cta-side h3{color:#fff;font-size:17px;margin-bottom:14px;}
.cta-side li{font-size:14.5px;color:rgba(255,255,255,.82);padding-left:20px;position:relative;margin-bottom:10px;}
.cta-side li::before{content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:50%;background:var(--c-accent);}
.cta-side li:last-child{margin-bottom:0;}

/* 页脚 */
.site-footer{position:relative;background:var(--c-primary-dark);color:rgba(255,255,255,.78);padding:72px 0 28px;margin-top:var(--sp-section);overflow:hidden;}
.site-footer__pattern{position:absolute;inset:0;width:100%;height:100%;opacity:.14;pointer-events:none;}
.site-footer > .container{position:relative;z-index:1;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:11px;color:#fff;margin-bottom:16px;}
.footer-brand .brand__mark{background:rgba(255,255,255,.12);color:#EAF4F2;}
.footer-brand strong{font-size:17px;font-weight:700;letter-spacing:.02em;}
.footer-about{font-size:14px;color:rgba(255,255,255,.66);line-height:1.75;margin-bottom:0;}
.site-footer h4{color:#fff;font-size:15.5px;margin-bottom:16px;font-weight:600;}
.footer-links li{margin-bottom:11px;}
.footer-links a{color:rgba(255,255,255,.72);font-size:14.5px;}
.footer-links a:hover{color:var(--c-accent);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);margin-top:44px;padding-top:22px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.6);
}

/* 响应式 */
@media (max-width:1199px){
  :root{--sp-section:80px;}
  .step{grid-template-columns:80px minmax(0,1fr) 300px;gap:26px;}
  .step--reverse{grid-template-columns:80px 300px minmax(0,1fr);}
  .step__index{width:80px;height:80px;font-size:26px;}
}
@media (max-width:991px){
  :root{--sp-section:64px;}
  .search{display:none;}
  h2.section__title{font-size:27px;}
  .page-banner{padding:42px 32px;}
  .page-banner h1{font-size:32px;}
  .step,.step--reverse{grid-template-columns:72px minmax(0,1fr);gap:22px;}
  .step__index{width:72px;height:72px;font-size:24px;}
  .step__media,.step--reverse .step__media{grid-column:2;grid-row:2;margin-top:22px;}
  .step__body,.step--reverse .step__body{grid-column:2;grid-row:1;}
  .tips-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-block{grid-template-columns:1fr;padding:44px 32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .nav-toggle{display:inline-flex;}
  .channelbar{display:none;}
  .channelbar.is-open{display:block;position:absolute;left:0;right:0;top:100%;background:#fff;box-shadow:var(--sh-1);border-bottom:1px solid var(--c-line);}
  .channelbar.is-open .channelbar__inner{flex-direction:column;align-items:stretch;gap:0;padding:8px 16px 14px;}
  .channelbar.is-open .channel{border-bottom:1px solid var(--c-line);border-left:3px solid transparent;padding:14px 6px;}
  .channelbar.is-open .channel.is-active{border-bottom-color:var(--c-line);border-left-color:var(--c-primary);}
  .site-header{position:relative;}
  .topbar__actions{gap:8px;}
  .brand__name{font-size:17px;}
  .page-banner{border-radius:14px;padding:34px 22px;}
  .page-banner h1{font-size:27px;line-height:1.32;}
  .page-banner p{font-size:15.5px;}
  h2.section__title{font-size:24px;}
  .section__desc{font-size:15px;}
  .step,.step--reverse{grid-template-columns:56px minmax(0,1fr);gap:16px;}
  .step__index{width:56px;height:56px;font-size:19px;border-radius:12px;}
  .step__body h3{font-size:19px;}
  .step-flow{gap:44px;}
  .tips-grid{grid-template-columns:1fr;}
  .faq-q{font-size:16.5px;padding:18px 0;}
  .cta-block{padding:34px 22px;}
  .cta-block h2{font-size:24px;}
  .btn{width:100%;padding:14px 20px;}
  .cta-block__actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .site-footer{padding:52px 0 24px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:479px){
  body{font-size:15.5px;}
  .page-banner h1{font-size:24px;}
  .tab-pill{padding:8px 15px;font-size:13.5px;}
  .topbar__inner{min-height:64px;}
  .brand__mark{width:38px;height:38px;}
}

/* roulang page: category4 */
:root{
  --c-primary:#2A6B67;
  --c-primary-dark:#1C4E4B;
  --c-primary-light:#E4EFED;
  --c-sand:#C08A4E;
  --c-sand-dark:#A9763C;
  --c-accent:#E07A4F;
  --c-bg:#F6F8F7;
  --c-white:#FFFFFF;
  --c-alt:#EEF3F1;
  --c-ink:#1B2422;
  --c-muted:#55635F;
  --c-faint:#8A9995;
  --c-border:#DDE5E2;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-base:0 1px 2px rgba(27,36,34,.05), 0 8px 24px rgba(27,36,34,.06);
  --sh-hover:0 12px 32px rgba(27,36,34,.10);
  --sp-section:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.8;
  letter-spacing:.01em;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
a:hover{color:var(--c-sand-dark);}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.35;letter-spacing:.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:var(--sp-section) 0;}
.section--alt{background:var(--c-alt);}
.section-head{margin-bottom:40px;max-width:760px;}
.section-head h2{font-size:31px;margin-bottom:12px;}
.section-head p{color:var(--c-muted);font-size:16px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13.5px;color:var(--c-primary);
  background:var(--c-primary-light);
  border-radius:var(--r-pill);
  padding:5px 14px;margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-sand);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-btn);
  font-size:15.5px;font-weight:500;line-height:1.2;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn--primary{background:var(--c-primary);color:#fff;box-shadow:0 6px 16px rgba(42,107,103,.22);}
.btn--primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 28px rgba(42,107,103,.28);}
.btn--primary:active{transform:translateY(1px);box-shadow:0 4px 10px rgba(42,107,103,.22);}
.btn--ghost{background:#fff;color:var(--c-primary);border-color:var(--c-primary);}
.btn--ghost:hover{background:var(--c-primary-light);color:var(--c-primary-dark);border-color:var(--c-primary-dark);}
.btn--sand{background:var(--c-sand);color:#fff;}
.btn--sand:hover{background:var(--c-sand-dark);color:#fff;transform:translateY(-2px);}
.btn--sm{padding:9px 18px;font-size:14.5px;}
.btn:focus-visible,input:focus-visible,a:focus-visible,button:focus-visible{
  outline:2px solid var(--c-sand);outline-offset:2px;
}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;box-shadow:0 1px 0 var(--c-border);}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px;padding-top:10px;padding-bottom:10px;}
.brand{display:inline-flex;align-items:center;gap:12px;color:var(--c-ink);}
.brand:hover{color:var(--c-ink);}
.brand__mark{
  width:42px;height:42px;flex:0 0 auto;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-primary-light);color:var(--c-primary);
}
.brand__mark svg{width:22px;height:22px;}
.brand__text{display:flex;flex-direction:column;line-height:1.25;}
.brand__name{font-size:19px;font-weight:700;letter-spacing:.02em;}
.brand__sub{font-size:12.5px;color:var(--c-faint);letter-spacing:.16em;}
.topbar__actions{display:flex;align-items:center;gap:14px;}
.search{display:flex;align-items:center;background:var(--c-alt);border:1px solid var(--c-border);border-radius:var(--r-pill);padding:4px 4px 4px 16px;}
.search input{
  border:0;background:transparent;outline:none;font-size:14.5px;
  width:200px;color:var(--c-ink);padding:6px 0;
}
.search input::placeholder{color:var(--c-faint);}
.search button{
  background:var(--c-primary);color:#fff;border-radius:var(--r-pill);
  padding:7px 16px;font-size:14px;transition:background-color .2s ease;
}
.search button:hover{background:var(--c-primary-dark);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  align-items:center;justify-content:center;
  border:1px solid var(--c-border);color:var(--c-ink);background:#fff;
}
.channelbar{background:var(--c-alt);border-top:1px solid var(--c-border);border-bottom:1px solid var(--c-border);}
.channelbar__inner{display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none;}
.channelbar__inner::-webkit-scrollbar{display:none;}
.channel{
  position:relative;white-space:nowrap;
  padding:14px 18px;font-size:15px;color:var(--c-muted);
  transition:color .2s ease,background-color .2s ease;
}
.channel:hover{color:var(--c-primary-dark);background:rgba(42,107,103,.06);}
.channel.is-active{color:var(--c-ink);font-weight:600;}
.channel.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;
  background:var(--c-primary);border-radius:3px 3px 0 0;
}

/* ---------- 页面 Banner ---------- */
.page-banner{
  position:relative;overflow:hidden;
  padding:56px 0 52px;
  background:linear-gradient(180deg,#F6F8F7 0%,#E7F0EE 100%);
  border-bottom:1px solid var(--c-border);
}
.page-banner__bg{
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.png);
  background-size:cover;background-position:center right;
  opacity:.08;pointer-events:none;
}
.page-banner__inner{position:relative;display:grid;grid-template-columns:1.6fr .9fr;gap:40px;align-items:center;}
.crumbs{font-size:13.5px;color:var(--c-muted);margin-bottom:18px;display:flex;flex-wrap:wrap;gap:8px;}
.crumbs a{color:var(--c-muted);}
.crumbs a:hover{color:var(--c-primary);}
.crumbs span.sep{color:var(--c-faint);}
.page-banner h1{font-size:40px;line-height:1.3;margin-bottom:16px;}
.page-banner h1 em{font-style:normal;color:var(--c-primary);}
.page-banner__lead{color:var(--c-muted);font-size:16.5px;max-width:640px;}
.banner-facts{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.fact-tag{
  display:inline-flex;align-items:center;gap:7px;
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-pill);
  padding:7px 15px;font-size:13.5px;color:var(--c-muted);
}
.fact-tag svg{width:15px;height:15px;color:var(--c-primary);}
.banner-art{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-base);border:6px solid #fff;background:#fff;
}
.banner-art img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.banner-art__badge{
  position:absolute;left:14px;bottom:14px;
  background:rgba(28,78,75,.92);color:#fff;border-radius:10px;
  padding:8px 14px;font-size:13px;letter-spacing:.02em;
}

/* ---------- 筛选标签 ---------- */
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px;}
.chip{
  border:1px solid var(--c-border);background:#fff;color:var(--c-muted);
  border-radius:var(--r-pill);padding:9px 20px;font-size:14.5px;
  transition:all .2s ease;
}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary);}
.chip.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;box-shadow:0 6px 16px rgba(42,107,103,.2);}

/* ---------- 卡片网格 ---------- */
.card-grid{margin-bottom:0;}
.topic-cell{margin-bottom:28px;}
.topic-card{
  display:flex;flex-direction:column;height:100%;
  background:#fff;border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-base);
  transition:transform .25s ease,box-shadow .25s ease;
}
.topic-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);}
.topic-card__media{position:relative;overflow:hidden;background:var(--c-alt);}
.topic-card__media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease;}
.topic-card:hover .topic-card__media img{transform:scale(1.03);}
.badge{
  display:inline-block;font-size:13px;line-height:1.5;
  background:var(--c-primary-light);color:var(--c-primary-dark);
  border-radius:8px;padding:3px 11px;
}
.topic-card__media .badge{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.94);}
.topic-card__body{display:flex;flex-direction:column;gap:10px;padding:20px 22px 24px;flex:1;}
.topic-card__title{font-size:19px;line-height:1.45;}
.topic-card__title a{color:var(--c-ink);}
.topic-card__title a:hover{color:var(--c-primary);}
.topic-card__desc{
  color:var(--c-muted);font-size:15px;line-height:1.72;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.topic-card__meta{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--c-border);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13.5px;color:var(--c-faint);
}
.topic-card__meta a{font-size:14px;font-weight:500;}

/* ---------- 分页 ---------- */
.pagination{display:flex;justify-content:center;align-items:center;gap:8px;margin-top:24px;}
.page-btn{
  min-width:42px;height:42px;padding:0 14px;border-radius:var(--r-btn);
  display:inline-flex;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--c-border);
  color:var(--c-muted);font-size:14.5px;
}
.page-btn:hover{border-color:var(--c-primary);color:var(--c-primary);}
.page-btn.is-current{background:var(--c-primary);border-color:var(--c-primary);color:#fff;font-weight:600;}
.page-btn.is-disabled{color:var(--c-faint);background:var(--c-alt);cursor:not-allowed;}
.page-btn.is-disabled:hover{border-color:var(--c-border);color:var(--c-faint);}

/* ---------- 重点专题 ---------- */
.focus-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.focus-media{border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-base);border:6px solid #fff;background:#fff;}
.focus-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.focus-body h2{font-size:30px;margin-bottom:16px;}
.focus-body p{color:var(--c-muted);margin-bottom:18px;}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:12px 0;border-bottom:1px dashed var(--c-border);
  color:var(--c-ink);font-size:15.5px;
}
.check-list li:last-child{border-bottom:0;}
.check-list svg{width:20px;height:20px;flex:0 0 auto;margin-top:5px;color:var(--c-primary);}
.check-list strong{font-weight:600;}
.focus-actions{margin-top:26px;display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 时间线 ---------- */
.timeline{position:relative;max-width:900px;margin:0 auto;padding-left:8px;}
.timeline::before{
  content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--c-primary),var(--c-primary-light));
}
.timeline__item{position:relative;padding:0 0 30px 40px;}
.timeline__item:last-child{padding-bottom:0;}
.timeline__dot{
  position:absolute;left:0;top:8px;width:20px;height:20px;border-radius:50%;
  background:#fff;border:3px solid var(--c-primary);
}
.timeline__date{font-size:13.5px;color:var(--c-sand-dark);letter-spacing:.04em;margin-bottom:6px;}
.timeline__title{font-size:18.5px;margin-bottom:6px;}
.timeline__text{color:var(--c-muted);font-size:15.5px;}

/* ---------- FAQ ---------- */
.faq{max-width:860px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--c-border);}
.faq-item:first-child{border-top:1px solid var(--c-border);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  text-align:left;padding:22px 4px;font-size:18px;font-weight:600;color:var(--c-ink);
  transition:color .2s ease,padding-left .2s ease;
}
.faq-q:hover{color:var(--c-primary);}
.faq-item.is-open .faq-q{color:var(--c-primary-dark);padding-left:14px;box-shadow:inset 3px 0 0 var(--c-primary);}
.faq-q .faq-icon{
  width:26px;height:26px;flex:0 0 auto;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-primary-light);color:var(--c-primary);
  transition:transform .25s ease,background-color .25s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--c-primary);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-item.is-open .faq-a{max-height:320px;}
.faq-a p{color:var(--c-muted);font-size:15.5px;padding:0 4px 24px 4px;max-width:720px;}

/* ---------- CTA 区块 ---------- */
.cta-panel{
  background:var(--c-primary-dark);color:#E6F0EE;
  border-radius:20px;padding:52px 48px;
  display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-panel::after{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;
  border-radius:50%;border:1px solid rgba(224,122,79,.35);opacity:.6;
}
.cta-panel h2{font-size:30px;color:#fff;margin-bottom:14px;}
.cta-panel p{color:#C9DAD7;font-size:15.5px;margin-bottom:24px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.subscribe-form{position:relative;z-index:2;display:flex;flex-direction:column;gap:12px;}
.subscribe-form label{font-size:14px;color:#C9DAD7;}
.field-row{display:flex;gap:10px;flex-wrap:wrap;}
.subscribe-form input{
  flex:1 1 220px;height:48px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.08);
  color:#fff;padding:0 16px;font-size:15px;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.subscribe-form input::placeholder{color:rgba(230,240,238,.6);}
.subscribe-form input:focus{border-color:var(--c-sand);box-shadow:0 0 0 2px rgba(192,138,78,.35);}
.form-tip{font-size:13.5px;color:#A9C0BC;min-height:20px;}
.form-tip.is-ok{color:#F0C79A;}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;overflow:hidden;
  background:var(--c-primary-dark);color:#DCE8E6;
  padding:64px 0 0;margin-top:var(--sp-section);
}
.site-footer__pattern{position:absolute;inset:auto 0 0 0;width:100%;height:300px;opacity:.16;pointer-events:none;}
.footer-grid{position:relative;display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding-bottom:48px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand__mark{background:rgba(255,255,255,.1);color:#EAF4F2;}
.footer-brand strong{font-size:17.5px;color:#fff;font-weight:700;}
.footer-about{font-size:14.5px;color:#A9C0BC;line-height:1.8;max-width:340px;}
.site-footer h4{font-size:15.5px;color:#fff;margin-bottom:18px;font-weight:600;}
.footer-links li{margin-bottom:11px;}
.footer-links a{color:#C9DAD7;font-size:14.5px;}
.footer-links a:hover{color:var(--c-sand);}
.footer-bottom{
  position:relative;border-top:1px solid rgba(255,255,255,.14);
  padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:10px;
  justify-content:space-between;font-size:13.5px;color:#96ADA9;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  :root{--sp-section:72px;}
  .page-banner h1{font-size:36px;}
}
@media (max-width:991px){
  :root{--sp-section:64px;}
  .search input{width:150px;}
  .page-banner__inner{grid-template-columns:1fr;gap:30px;}
  .banner-art{max-width:520px;}
  .focus-grid{grid-template-columns:1fr;gap:32px;}
  .cta-panel{grid-template-columns:1fr;padding:40px 32px;gap:30px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:768px){
  :root{--sp-section:52px;}
  .container{padding:0 16px;}
  .search{display:none;}
  .nav-toggle{display:inline-flex;}
  .channelbar{display:none;}
  body.nav-open .channelbar{
    display:block;position:absolute;left:0;right:0;top:100%;
    background:#fff;box-shadow:0 18px 36px rgba(27,36,34,.14);padding:8px 0;
  }
  body.nav-open .channelbar__inner{flex-direction:column;align-items:stretch;overflow:visible;}
  body.nav-open .channel{display:block;padding:14px 24px;}
  body.nav-open .channel.is-active::after{left:0;right:auto;width:3px;top:10px;bottom:10px;height:auto;}
  .page-banner{padding:38px 0 34px;}
  .page-banner h1{font-size:29px;}
  .page-banner__lead{font-size:15.5px;}
  .section-head h2{font-size:24px;}
  .focus-body h2{font-size:24px;}
  .cta-panel h2{font-size:24px;}
  .btn{width:100%;}
  .btn--sm{width:auto;}
  .topbar__actions .btn--sm{display:none;}
  .cta-actions{gap:10px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;gap:6px;}
}
@media (max-width:520px){
  body{font-size:16px;}
  .page-banner h1{font-size:26px;}
  .topic-card__body{padding:18px;}
  .topic-card__title{font-size:17.5px;}
  .faq-q{font-size:16.5px;padding:18px 2px;}
  .timeline{padding-left:0;}
  .timeline__item{padding-left:34px;}
  .cta-panel{padding:32px 22px;border-radius:16px;}
  .fact-tag{font-size:13px;padding:6px 12px;}
}