/* roulang page: index */
:root{
  --j9-primary:#0F7A6C;
  --j9-primary-dark:#0A564C;
  --j9-primary-soft:#E7F4F1;
  --j9-primary-06:rgba(15,122,108,.06);
  --j9-primary-10:rgba(15,122,108,.10);
  --j9-primary-35:rgba(15,122,108,.35);
  --j9-accent:#E3721A;
  --j9-accent-dark:#C25B0E;
  --j9-ink:#14231F;
  --j9-ink-2:#0A1F1B;
  --j9-bg:#FAF7F1;
  --j9-card:#FFFFFF;
  --j9-line:#E3E0D7;
  --j9-text:#23332E;
  --j9-muted:#667A73;
  --j9-spark:#C6E86A;
  --j9-error:#C0392B;
  --j9-footer-muted:#9FB3AC;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-lg:20px;
  --r-pill:999px;
  --sh1:0 1px 2px rgba(20,35,31,.06), 0 2px 8px rgba(20,35,31,.05);
  --sh2:0 8px 24px rgba(20,35,31,.08);
  --sh3:0 16px 40px rgba(20,35,31,.14);
  --tr:.22s cubic-bezier(.2,.7,.3,1);
  --nav-h:72px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--j9-text);
  background:var(--j9-bg);
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--j9-primary);text-decoration:none;transition:color var(--tr);}
a:hover{color:var(--j9-primary-dark);}
h1,h2,h3,h4{color:var(--j9-ink);line-height:1.3;margin:0;font-weight:600;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid var(--j9-primary-35);outline-offset:2px;border-radius:6px;}
.j9-container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.j9-section{padding:96px 0;}
.j9-section--soft{background:var(--j9-primary-06);}
.j9-section[id]{scroll-margin-top:96px;}
.j9-grid{display:grid;gap:24px;}
.j9-grid--3{grid-template-columns:repeat(3,minmax(0,1fr));}
.j9-grid--2{grid-template-columns:repeat(2,minmax(0,1fr));}
.j9-grid--4{grid-template-columns:repeat(4,minmax(0,1fr));}
.j9-tabular{font-variant-numeric:tabular-nums;}
.j9-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}

/* buttons */
.j9-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:16px;font-weight:600;line-height:1;cursor:pointer;
  border:1.5px solid transparent;transition:transform var(--tr),box-shadow var(--tr),background var(--tr),color var(--tr),border-color var(--tr);
}
.j9-btn--primary{background:var(--j9-accent);color:#fff;}
.j9-btn--primary:hover{background:var(--j9-accent-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh2);}
.j9-btn--primary:active{transform:translateY(1px);}
.j9-btn--ghost{background:transparent;border-color:var(--j9-primary);color:var(--j9-primary);}
.j9-btn--ghost:hover{background:var(--j9-primary-8, rgba(15,122,108,.08));color:var(--j9-primary-dark);}
.j9-btn--outline-light{background:transparent;border-color:rgba(255,255,255,.72);color:#fff;}
.j9-btn--outline-light:hover{background:rgba(255,255,255,.12);color:#fff;}
.j9-btn--sm{min-height:40px;font-size:15px;padding:0 18px;}
.j9-btn--block{width:100%;}
.j9-linkmore{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--j9-primary);border-bottom:1px solid rgba(15,122,108,.35);padding-bottom:2px;}
.j9-linkmore:hover{border-bottom-color:var(--j9-primary);}
.j9-linkmore svg{transition:transform var(--tr);}
.j9-linkmore:hover svg{transform:translateX(3px);}

/* badge */
.j9-badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:var(--r-pill);background:var(--j9-primary-10);color:var(--j9-primary-dark);
  font-size:13px;font-weight:600;letter-spacing:.02em;
}
.j9-badge--onlight{background:var(--j9-primary-soft);color:var(--j9-primary-dark);}
.j9-dot{width:7px;height:7px;border-radius:50%;background:var(--j9-spark);display:inline-block;}

/* topbar */
.j9-topbar{background:var(--j9-ink-2);color:#fff;font-size:12.5px;height:32px;display:flex;align-items:center;}
.j9-topbar .j9-container{display:flex;align-items:center;justify-content:space-between;gap:16px;max-width:1440px;}
.j9-topbar__left{display:flex;align-items:center;gap:10px;opacity:.92;white-space:nowrap;}
.j9-topbar__sep{opacity:.35;}
.j9-topbar__right{display:flex;align-items:center;gap:16px;white-space:nowrap;}
.j9-topbar a{color:#fff;opacity:.88;}
.j9-topbar a:hover{opacity:1;color:#fff;}

/* nav */
.j9-header{position:sticky;top:0;z-index:800;}
.j9-nav{
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--j9-line);
  transition:box-shadow var(--tr),height var(--tr);
  height:var(--nav-h);
}
.j9-nav.is-shrink{height:60px;box-shadow:var(--sh1);}
.j9-nav .j9-container{display:flex;align-items:center;justify-content:space-between;gap:24px;height:100%;max-width:1440px;}
.j9-logo{display:flex;align-items:center;gap:10px;color:var(--j9-ink);}
.j9-logo__mark{
  width:36px;height:36px;border-radius:11px;flex:0 0 auto;
  background:linear-gradient(140deg,var(--j9-primary) 0%,var(--j9-primary-dark) 100%);
  display:flex;align-items:center;justify-content:center;color:#fff;
  font-size:14px;font-weight:700;letter-spacing:.02em;
}
.j9-logo__text{font-size:20px;font-weight:700;color:var(--j9-ink);line-height:1.1;}
.j9-logo__text small{display:block;font-size:12px;font-weight:500;color:var(--j9-muted);letter-spacing:.02em;}
.j9-nav.is-shrink .j9-logo__text{font-size:18px;}
.j9-nav__menu{display:flex;align-items:center;gap:28px;}
.j9-nav__link{
  position:relative;font-size:15.5px;font-weight:500;color:var(--j9-text);
  padding:6px 0;transition:color .2s;
}
.j9-nav__link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--j9-primary);transform:scaleX(0);transform-origin:left;transition:transform .2s;
}
.j9-nav__link:hover{color:var(--j9-primary);}
.j9-nav__link.is-active{color:var(--j9-primary);font-weight:600;}
.j9-nav__link.is-active::after{transform:scaleX(1);}
.j9-nav__actions{display:flex;align-items:center;gap:12px;}
.j9-burger{
  display:none;width:44px;height:44px;border:1px solid var(--j9-line);background:#fff;
  border-radius:var(--r-btn);align-items:center;justify-content:center;cursor:pointer;
}
.j9-burger span{display:block;width:18px;height:2px;background:var(--j9-ink);position:relative;}
.j9-burger span::before,.j9-burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--j9-ink);}
.j9-burger span::before{top:-6px;}
.j9-burger span::after{top:6px;}

/* drawer */
.j9-drawer-mask{
  position:fixed;inset:0;background:rgba(11,31,27,.45);opacity:0;visibility:hidden;
  transition:opacity var(--tr),visibility var(--tr);z-index:940;
}
.j9-drawer-mask.is-open{opacity:1;visibility:visible;}
.j9-drawer{
  position:fixed;top:0;right:0;height:100%;width:84vw;max-width:360px;background:#fff;z-index:950;
  transform:translateX(102%);transition:transform .28s cubic-bezier(.2,.7,.3,1);
  display:flex;flex-direction:column;padding:20px;overflow-y:auto;
}
.j9-drawer.is-open{transform:translateX(0);}
.j9-drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.j9-drawer__close{width:44px;height:44px;border-radius:var(--r-btn);border:1px solid var(--j9-line);background:#fff;cursor:pointer;font-size:18px;color:var(--j9-ink);}
.j9-drawer__nav{display:flex;flex-direction:column;gap:4px;margin-bottom:20px;}
.j9-drawer__nav a{
  min-height:48px;display:flex;align-items:center;padding:0 14px;border-radius:var(--r-btn);
  color:var(--j9-text);font-weight:500;border:1px solid transparent;
}
.j9-drawer__nav a:hover{background:var(--j9-primary-soft);color:var(--j9-primary-dark);}
.j9-drawer__nav a.is-active{color:var(--j9-primary);border-color:var(--j9-primary-10);background:var(--j9-primary-06);font-weight:600;}
.j9-drawer__note{font-size:12.5px;color:var(--j9-muted);border-top:1px solid var(--j9-line);padding-top:14px;line-height:1.7;}

/* hero */
.j9-hero{position:relative;overflow:hidden;background:var(--j9-ink-2);}
.j9-hero__bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.02);}
.j9-hero__veil{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(10,31,27,.94) 0%,rgba(10,31,27,.80) 42%,rgba(10,31,27,.42) 78%,rgba(10,31,27,.28) 100%);
}
.j9-hero__inner{position:relative;z-index:2;padding-top:88px;padding-bottom:88px;min-height:78vh;max-height:720px;display:flex;flex-direction:column;justify-content:center;max-width:1440px;}
.j9-hero__badge{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.28);}
.j9-hero__title{
  color:#fff;font-size:44px;font-weight:700;line-height:1.28;margin:20px 0 14px;max-width:15em;letter-spacing:-.01em;
}
.j9-hero__sub{color:rgba(255,255,255,.86);font-size:19px;line-height:1.75;max-width:32em;margin:0 0 30px;}
.j9-hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px;}
.j9-hero__stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;max-width:760px;border-top:1px solid rgba(255,255,255,.18);padding-top:24px;}
.j9-hero__stat b{display:block;font-size:28px;color:#fff;font-weight:600;line-height:1.2;}
.j9-hero__stat span{display:block;font-size:12px;color:rgba(255,255,255,.68);letter-spacing:.02em;margin-top:4px;}

/* section head */
.j9-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;flex-wrap:wrap;}
.j9-head h2{font-size:30px;margin-bottom:10px;}
.j9-head p{color:var(--j9-muted);font-size:16px;margin:0;max-width:44em;}
.j9-eyebrow{font-size:13px;font-weight:600;color:var(--j9-primary);letter-spacing:.08em;text-transform:uppercase;margin-bottom:10px;display:block;}

/* feature cards */
.j9-card{
  background:var(--j9-card);border:1px solid var(--j9-line);border-radius:var(--r-card);
  box-shadow:var(--sh1);transition:transform var(--tr),box-shadow var(--tr);overflow:hidden;
}
.j9-card:hover{transform:translateY(-2px);box-shadow:var(--sh2);}
.j9-feature{padding:28px;display:flex;flex-direction:column;gap:12px;height:100%;}
.j9-feature__num{font-size:13px;font-weight:700;color:var(--j9-primary);letter-spacing:.12em;}
.j9-feature__icon{width:44px;height:44px;border-radius:12px;background:var(--j9-primary-soft);display:flex;align-items:center;justify-content:center;color:var(--j9-primary);}
.j9-feature h3{font-size:22px;}
.j9-feature p{margin:0;color:var(--j9-muted);font-size:15.5px;line-height:1.75;}
.j9-feature--main{background:linear-gradient(160deg,#fff 0%,var(--j9-primary-soft) 100%);}
.j9-feature--main h3{font-size:26px;}

/* gallery rail */
.j9-rail{display:flex;gap:18px;overflow-x:auto;padding:6px 4px 20px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;}
.j9-rail::-webkit-scrollbar{height:8px;}
.j9-rail::-webkit-scrollbar-thumb{background:var(--j9-line);border-radius:8px;}
.j9-rail__item{flex:0 0 306px;scroll-snap-align:start;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--j9-line);background:#fff;box-shadow:var(--sh1);}
.j9-rail__item img{width:100%;aspect-ratio:3/2;object-fit:cover;transition:transform .4s ease-out;}
.j9-rail__item:hover img{transform:scale(1.03);}
.j9-rail__cap{padding:14px 18px;font-size:14.5px;color:var(--j9-text);font-weight:500;}

/* steps */
.j9-steps{display:flex;flex-direction:column;gap:18px;}
.j9-step{display:flex;gap:16px;padding:20px;border:1px solid var(--j9-line);border-radius:var(--r-card);background:#fff;box-shadow:var(--sh1);}
.j9-step__dot{
  flex:0 0 auto;width:34px;height:34px;border-radius:50%;background:var(--j9-primary-10);
  color:var(--j9-primary-dark);font-size:14px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.j9-step h3{font-size:19px;margin-bottom:6px;}
.j9-step p{margin:0;color:var(--j9-muted);font-size:15px;}
.j9-device{
  border-radius:var(--r-img);overflow:hidden;border:1px solid var(--j9-line);background:#fff;
  box-shadow:var(--sh2);padding:12px;
}
.j9-device img{border-radius:10px;width:100%;aspect-ratio:3/2;object-fit:cover;}
.j9-device__bar{display:flex;gap:6px;padding:0 2px 10px;}
.j9-device__bar i{width:9px;height:9px;border-radius:50%;background:var(--j9-line);display:block;}

/* news */
.j9-news-card{display:flex;flex-direction:column;height:100%;}
.j9-news-card__media{overflow:hidden;aspect-ratio:3/2;background:var(--j9-primary-soft);}
.j9-news-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease-out;}
.j9-news-card:hover .j9-news-card__media img{transform:scale(1.03);}
.j9-news-card__body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.j9-news-card__title{font-size:19px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.j9-news-card__title a{color:var(--j9-ink);}
.j9-news-card__title a:hover{color:var(--j9-primary);}
.j9-news-card__desc{color:var(--j9-muted);font-size:14.5px;line-height:1.7;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.j9-news-card__foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:12px;border-top:1px solid var(--j9-line);font-size:13px;color:var(--j9-muted);}
.j9-news-card__foot a{font-weight:600;}
.j9-empty{
  grid-column:1/-1;background:#fff;border:1px dashed var(--j9-line);border-radius:var(--r-card);
  padding:56px 24px;text-align:center;color:var(--j9-muted);
}
.j9-empty svg{color:var(--j9-primary);opacity:.7;margin-bottom:12px;}
.j9-empty p{margin:0 0 14px;font-size:15px;}

/* inline cta strip */
.j9-strip{
  margin-top:40px;background:var(--j9-primary-06);border:1px solid var(--j9-primary-10);
  border-radius:var(--r-card);padding:22px 26px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
}
.j9-strip p{margin:0;font-size:16px;color:var(--j9-ink);font-weight:500;}

/* proof */
.j9-nums{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin-bottom:48px;}
.j9-num{background:#fff;border:1px solid var(--j9-line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh1);}
.j9-num b{display:block;font-size:34px;color:var(--j9-primary-dark);font-weight:700;line-height:1.15;}
.j9-num span{display:block;font-size:13.5px;color:var(--j9-muted);margin-top:6px;}
.j9-quote{background:#fff;border:1px solid var(--j9-line);border-radius:var(--r-card);padding:26px;box-shadow:var(--sh1);position:relative;}
.j9-quote::before{content:"“";position:absolute;top:6px;left:18px;font-size:56px;line-height:1;color:var(--j9-primary);opacity:.14;font-weight:700;}
.j9-quote p{position:relative;font-size:16px;color:var(--j9-text);margin:0 0 14px;}
.j9-quote cite{font-style:normal;font-size:13.5px;color:var(--j9-muted);}
.j9-partners{display:flex;flex-wrap:wrap;gap:14px;margin-top:40px;}
.j9-partners span{
  border:1px solid var(--j9-line);border-radius:var(--r-pill);padding:8px 18px;font-size:13.5px;color:var(--j9-muted);
  background:#fff;opacity:.6;transition:opacity var(--tr);
}
.j9-partners span:hover{opacity:1;}

/* pricing */
.j9-price{background:#fff;border:1px solid var(--j9-line);border-radius:var(--r-card);padding:28px;box-shadow:var(--sh1);display:flex;flex-direction:column;gap:16px;height:100%;position:relative;}
.j9-price--rec{border:2px solid var(--j9-primary);transform:translateY(-12px);box-shadow:var(--sh3);}
.j9-price__tag{position:absolute;top:-13px;left:28px;background:var(--j9-primary);color:#fff;font-size:12.5px;font-weight:600;padding:4px 14px;border-radius:var(--r-pill);}
.j9-price h3{font-size:20px;}
.j9-price__amount{font-size:36px;font-weight:700;color:var(--j9-ink);line-height:1;font-variant-numeric:tabular-nums;}
.j9-price__amount small{font-size:14px;font-weight:500;color:var(--j9-muted);margin-left:6px;}
.j9-price ul{display:flex;flex-direction:column;gap:10px;font-size:15px;color:var(--j9-text);}
.j9-price li{display:flex;gap:9px;align-items:flex-start;line-height:1.6;}
.j9-price li svg{flex:0 0 auto;margin-top:5px;color:var(--j9-primary);}
.j9-price .j9-btn{margin-top:auto;}
.j9-price__note{display:flex;flex-wrap:wrap;gap:10px 28px;margin-top:36px;font-size:14.5px;color:var(--j9-muted);}
.j9-price__note span::before{content:"·";color:var(--j9-primary);margin-right:8px;font-weight:700;}

/* faq */
.j9-faq__item{background:#fff;border:1px solid var(--j9-line);border-radius:var(--r-card);margin-bottom:14px;overflow:hidden;transition:box-shadow var(--tr);}
.j9-faq__item.is-open{box-shadow:var(--sh2);border-left:3px solid var(--j9-primary);}
.j9-faq__q{
  width:100%;background:none;border:0;text-align:left;cursor:pointer;padding:20px 22px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16.5px;font-weight:600;color:var(--j9-ink);line-height:1.5;
}
.j9-faq__item.is-open .j9-faq__q{color:var(--j9-primary);}
.j9-faq__icon{position:relative;flex:0 0 auto;width:18px;height:18px;}
.j9-faq__icon::before,.j9-faq__icon::after{content:"";position:absolute;background:var(--j9-primary);border-radius:2px;transition:transform var(--tr),opacity var(--tr);}
.j9-faq__icon::before{left:0;top:8px;width:18px;height:2px;}
.j9-faq__icon::after{left:8px;top:0;width:2px;height:18px;}
.j9-faq__item.is-open .j9-faq__icon::after{transform:scaleY(0);opacity:0;}
.j9-faq__a{max-height:0;overflow:hidden;transition:max-height .25s ease;}
.j9-faq__a p{margin:0;padding:0 22px 22px;font-size:15.5px;line-height:1.8;color:var(--j9-muted);}

/* final cta */
.j9-cta{
  background:linear-gradient(160deg,var(--j9-ink) 0%,var(--j9-ink-2) 100%);
  color:#fff;text-align:center;padding:88px 0;
}
.j9-cta h2{color:#fff;font-size:30px;margin-bottom:14px;}
.j9-cta p{color:rgba(255,255,255,.78);max-width:36em;margin:0 auto 30px;font-size:16.5px;}
.j9-cta__actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}

/* footer */
.j9-footer{background:linear-gradient(180deg,var(--j9-ink) 0%,var(--j9-ink-2) 100%);color:#C9D6D2;padding:64px 0 0;font-size:15px;}
.j9-footer__cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;}
.j9-footer h3{color:#fff;font-size:16px;margin-bottom:16px;font-weight:600;}
.j9-footer a{color:#C9D6D2;}
.j9-footer a:hover{color:#fff;}
.j9-footer__brand .j9-logo__text{color:#fff;font-size:20px;}
.j9-footer__brand .j9-logo__text small{color:var(--j9-footer-muted);}
.j9-footer__brand p{color:var(--j9-footer-muted);font-size:14px;line-height:1.8;margin:16px 0 0;max-width:30em;}
.j9-footer ul{display:flex;flex-direction:column;gap:10px;font-size:14.5px;}
.j9-footer__bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--j9-footer-muted);
}
.j9-footer__bottom a{color:var(--j9-footer-muted);}
.j9-footer__bottom a:hover{color:#fff;}

/* floating */
.j9-float{
  position:fixed;right:28px;bottom:28px;z-index:900;display:flex;flex-direction:column;align-items:flex-end;gap:12px;
}
.j9-float__btn{
  display:inline-flex;align-items:center;gap:10px;min-height:52px;padding:0 26px;border-radius:var(--r-pill);
  background:var(--j9-accent);color:#fff;font-weight:600;box-shadow:var(--sh3);
  opacity:0;visibility:hidden;transform:translateY(12px);transition:opacity var(--tr),transform var(--tr),visibility var(--tr),background var(--tr);
}
.j9-float__btn:hover{background:var(--j9-accent-dark);color:#fff;}
.j9-float__btn.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.j9-top-btn{
  width:46px;height:46px;border-radius:50%;background:#fff;border:1px solid var(--j9-line);color:var(--j9-primary);
  display:flex;align-items:center;justify-content:center;box-shadow:var(--sh1);cursor:pointer;
  opacity:0;visibility:hidden;transition:opacity var(--tr),transform var(--tr),visibility var(--tr);
}
.j9-top-btn.is-visible{opacity:1;visibility:visible;}
.j9-top-btn:hover{transform:translateY(-2px);box-shadow:var(--sh2);}
.j9-form-field{display:flex;flex-direction:column;gap:6px;}
.j9-form-field label{font-size:14px;font-weight:600;color:var(--j9-ink);}
.j9-form-field input,.j9-form-field textarea{
  height:48px;border:1px solid var(--j9-line);border-radius:var(--r-btn);padding:0 14px;font-size:15.5px;
  background:#fff;color:var(--j9-text);transition:border-color var(--tr),box-shadow var(--tr);
}
.j9-form-field textarea{height:110px;padding:12px 14px;resize:vertical;}
.j9-form-field input:focus,.j9-form-field textarea:focus{outline:none;border-color:var(--j9-primary);box-shadow:0 0 0 3px var(--j9-primary-10);}
.j9-error{color:var(--j9-error);font-size:13px;margin-top:6px;display:none;}

@media (max-width:1023px){
  .j9-container{padding:0 20px;}
  .j9-section{padding:64px 0;}
  .j9-nav__menu{display:none;}
  .j9-burger{display:flex;}
  .j9-grid--3,.j9-grid--4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .j9-hero__title{font-size:34px;}
  .j9-hero__inner{min-height:auto;padding-top:64px;padding-bottom:64px;}
  .j9-hero__stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
  .j9-nums{grid-template-columns:repeat(2,minmax(0,1fr));}
  .j9-footer__cols{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
  .j9-price--rec{transform:none;}
  .j9-rail__item{flex:0 0 260px;}
}
@media (max-width:640px){
  body{font-size:16px;}
  .j9-topbar__left span:not(.j9-topbar__name){display:none;}
  .j9-topbar__right a:first-child{display:none;}
  .j9-grid--2,.j9-grid--3,.j9-grid--4{grid-template-columns:1fr;}
  .j9-hero__title{font-size:30px;}
  .j9-hero__sub{font-size:16.5px;}
  .j9-head h2,.j9-cta h2{font-size:24px;}
  .j9-feature h3,.j9-feature--main h3{font-size:19px;}
  .j9-btn{width:100%;}
  .j9-hero__actions .j9-btn,.j9-cta__actions .j9-btn{width:100%;}
  .j9-float{right:0;left:0;bottom:0;align-items:stretch;flex-direction:row;gap:10px;padding:0 16px calc(10px + env(safe-area-inset-bottom));}
  .j9-float__btn{flex:1;width:auto;justify-content:center;min-height:56px;border-radius:var(--r-btn);transform:translateY(12px);}
  .j9-float__btn.is-visible{transform:translateY(0);}
  .j9-top-btn{width:56px;height:56px;border-radius:var(--r-btn);flex:0 0 auto;}
  .j9-footer__cols{grid-template-columns:1fr;}
  .j9-nums{grid-template-columns:1fr;}
  .j9-card,.j9-price{padding:22px;}
  .j9-strip{padding:20px;}
  body{padding-bottom:72px;}
}
@media (max-width:400px){
  .j9-hero__title{font-size:27px;}
  .j9-hero__stats{grid-template-columns:1fr 1fr;gap:14px;}
  .j9-hero__stat b{font-size:22px;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *{transition-duration:.001ms !important;animation-duration:.001ms !important;}
  .j9-news-card:hover .j9-news-card__media img,.j9-rail__item:hover img{transform:none;}
}
html{scroll-behavior:smooth;}

/* roulang page: article */
:root{
  --j9-primary:#0F7A6C;
  --j9-primary-dark:#0A564C;
  --j9-primary-soft:#E7F4F1;
  --j9-accent:#E3721A;
  --j9-accent-dark:#C25B0E;
  --j9-ink:#14231F;
  --j9-ink-2:#0A1F1B;
  --j9-bg:#FAF7F1;
  --j9-card:#FFFFFF;
  --j9-line:#E3E0D7;
  --j9-text:#23332E;
  --j9-muted:#667A73;
  --j9-spark:#C6E86A;
  --j9-danger:#C0392B;
  --j9-r-card:14px;
  --j9-r-btn:10px;
  --j9-r-img:12px;
  --j9-r-big:20px;
  --j9-r-pill:999px;
  --j9-s1:0 1px 2px rgba(20,35,31,.06), 0 2px 8px rgba(20,35,31,.05);
  --j9-s2:0 8px 24px rgba(20,35,31,.08);
  --j9-s3:0 16px 40px rgba(20,35,31,.14);
  --j9-ease:.22s cubic-bezier(.2,.7,.3,1);
  --j9-font:-apple-system,"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--j9-bg);
  color:var(--j9-text);
  font-family:var(--j9-font);
  font-size:17px;
  line-height:1.85;
  font-weight:400;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--j9-r-img);}
a{color:var(--j9-primary);text-decoration:none;transition:color var(--j9-ease),opacity var(--j9-ease);}
a:hover{color:var(--j9-primary-dark);}
h1,h2,h3,h4{margin:0;color:var(--j9-ink);line-height:1.3;font-weight:600;}
h2{font-size:30px;}
h3{font-size:22px;}
h4{font-size:18px;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(15,122,108,.35);outline-offset:2px;border-radius:6px;}
.j9-container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.j9-num{font-variant-numeric:tabular-nums;}

/* 顶部信息条 */
.j9-topbar{
  background:linear-gradient(90deg,var(--j9-ink) 0%,var(--j9-ink-2) 100%);
  color:#DCE8E4;font-size:13px;min-height:32px;
}
.j9-topbar__in{
  max-width:1200px;margin:0 auto;padding:5px 32px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.j9-topbar__left{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.j9-topbar__dot{width:7px;height:7px;border-radius:50%;background:var(--j9-spark);display:inline-block;}
.j9-topbar__right{display:flex;align-items:center;gap:14px;}
.j9-topbar a{color:#DCE8E4;}
.j9-topbar a:hover{color:#fff;}

/* 主导航 */
.j9-header{position:sticky;top:0;z-index:800;}
.j9-nav{
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--j9-line);
  transition:box-shadow var(--j9-ease),background var(--j9-ease);
}
.j9-nav.is-scrolled{box-shadow:var(--j9-s1);}
.j9-nav .j9-container{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:72px;transition:height var(--j9-ease);
}
.j9-nav.is-scrolled .j9-container{height:60px;}
.j9-logo{display:flex;align-items:center;gap:12px;color:var(--j9-ink);}
.j9-logo:hover{color:var(--j9-ink);}
.j9-logo__mark{
  width:38px;height:38px;border-radius:11px;flex:0 0 38px;
  background:linear-gradient(140deg,#12A08D,#0A564C);
  color:#fff;font-weight:700;font-size:15px;letter-spacing:.5px;
  display:flex;align-items:center;justify-content:center;
}
.j9-logo__text{
  display:flex;flex-direction:column;font-size:20px;font-weight:700;line-height:1.25;color:var(--j9-ink);
}
.j9-logo__text small{font-size:12px;font-weight:400;color:var(--j9-muted);letter-spacing:0;}
.j9-nav__menu{display:flex;align-items:center;gap:6px;flex:1;justify-content:center;}
.j9-nav__link{
  position:relative;padding:8px 14px;border-radius:8px;font-size:15px;color:var(--j9-text);font-weight:500;
}
.j9-nav__link:hover{color:var(--j9-primary);background:rgba(15,122,108,.06);}
.j9-nav__link.is-active{color:var(--j9-primary);}
.j9-nav__link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:-2px;height:2px;border-radius:2px;background:var(--j9-primary);
}
.j9-nav__actions{display:flex;align-items:center;gap:12px;}
.j9-burger{
  display:none;width:44px;height:44px;border:1px solid var(--j9-line);background:#fff;border-radius:10px;
  align-items:center;justify-content:center;cursor:pointer;
}
.j9-burger span,.j9-burger span::before,.j9-burger span::after{
  content:"";display:block;width:18px;height:2px;background:var(--j9-ink);border-radius:2px;position:relative;
}
.j9-burger span::before{position:absolute;top:-6px;left:0;}
.j9-burger span::after{position:absolute;top:6px;left:0;}

/* 按钮 */
.j9-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--j9-r-btn);border:0;cursor:pointer;
  font-size:16px;font-weight:600;text-align:center;transition:all var(--j9-ease);
}
.j9-btn--primary{background:var(--j9-accent);color:#fff;box-shadow:0 2px 10px rgba(227,114,26,.22);}
.j9-btn--primary:hover{background:var(--j9-accent-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--j9-s2);}
.j9-btn--primary:active{transform:translateY(1px);}
.j9-btn--ghost{background:transparent;color:var(--j9-primary);border:1.5px solid var(--j9-primary);}
.j9-btn--ghost:hover{background:rgba(15,122,108,.08);color:var(--j9-primary-dark);}
.j9-btn--sm{height:40px;padding:0 18px;font-size:15px;}
.j9-btn--link{
  background:none;border:0;padding:0;height:auto;color:var(--j9-primary);font-weight:600;
  display:inline-flex;align-items:center;gap:6px;
}
.j9-btn--link span{transition:transform var(--j9-ease);}
.j9-btn--link:hover span{transform:translateX(3px);}

/* 徽章 */
.j9-badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--j9-r-pill);
  background:rgba(15,122,108,.1);color:var(--j9-primary-dark);font-size:12.5px;font-weight:600;letter-spacing:.2px;
}

/* 抽屉 */
.j9-mask{
  position:fixed;inset:0;background:rgba(11,31,27,.45);opacity:0;visibility:hidden;
  transition:opacity var(--j9-ease),visibility var(--j9-ease);z-index:950;
}
.j9-mask.is-open{opacity:1;visibility:visible;}
.j9-drawer{
  position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:360px;background:#fff;
  transform:translateX(102%);transition:transform .26s cubic-bezier(.2,.7,.3,1);z-index:960;
  display:flex;flex-direction:column;padding:20px;overflow-y:auto;
}
.j9-drawer.is-open{transform:translateX(0);}
.j9-drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}
.j9-drawer__close{width:44px;height:44px;border-radius:10px;border:1px solid var(--j9-line);background:#fff;font-size:20px;color:var(--j9-ink);cursor:pointer;}
.j9-drawer a.j9-drawer__link{
  display:flex;align-items:center;min-height:48px;padding:0 12px;border-radius:10px;color:var(--j9-text);font-weight:500;
}
.j9-drawer a.j9-drawer__link:hover,.j9-drawer a.j9-drawer__link.is-active{background:var(--j9-primary-soft);color:var(--j9-primary-dark);}
.j9-drawer__tip{margin-top:auto;padding-top:20px;font-size:13px;color:var(--j9-muted);}

/* 面包屑 */
.j9-crumb{padding:20px 0 0;font-size:13px;color:var(--j9-muted);}
.j9-crumb a{color:var(--j9-muted);}
.j9-crumb a:hover{color:var(--j9-primary);}
.j9-crumb span.sep{margin:0 8px;color:#B9C4BF;}
.j9-crumb .now{color:var(--j9-ink);font-weight:500;}

/* 文章头 */
.j9-article{padding:24px 0 88px;}
.j9-article__layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:48px;align-items:start;}
.j9-article__head{max-width:820px;padding-bottom:24px;border-bottom:1px solid var(--j9-line);margin-bottom:36px;}
.j9-article__head h1{font-size:40px;line-height:1.28;margin:14px 0 16px;max-width:820px;}
.j9-article__meta{danding:0;font-size:13px;color:var(--j9-muted);display:flex;align-items:center;flex-wrap:wrap;gap:10px;}
.j9-article__meta i{width:4px;height:4px;border-radius:50%;background:#C3CCC8;display:inline-block;}
.j9-article__body{max-width:820px;font-size:17px;line-height:1.9;color:var(--j9-text);}
.j9-article__body h2{
  font-size:30px;margin:2.2em 0 .8em;padding-left:12px;border-left:4px solid var(--j9-primary);scroll-margin-top:110px;
}
.j9-article__body h3{font-size:22px;color:var(--j9-primary-dark);margin:1.8em 0 .6em;font-weight:700;}
.j9-article__body h4{font-size:18px;margin:1.5em 0 .5em;}
.j9-article__body p{margin:0 0 1em;}
.j9-article__body ul,.j9-article__body ol{margin:0 0 1.2em;padding-left:22px;line-height:1.85;}
.j9-article__body li{margin-bottom:8px;}
.j9-article__body ul li::marker{color:var(--j9-primary);}
.j9-article__body ol li::marker{color:var(--j9-primary);font-weight:600;}
.j9-article__body blockquote{
  margin:1.6em 0;padding:16px 20px;background:#F3EFE6;border-left:3px solid var(--j9-primary);
  border-radius:8px;color:#3B4A45;font-size:16px;
}
.j9-article__body a{color:var(--j9-primary);text-decoration:underline;text-decoration-color:rgba(15,122,108,.35);text-underline-offset:3px;}
.j9-article__body a:hover{text-decoration-color:var(--j9-primary);}
.j9-article__body img{border-radius:var(--j9-r-img);margin:1.6em 0 .6em;width:100%;height:auto;}
.j9-article__body figure{margin:1.6em 0;}
.j9-article__body figcaption{font-size:13px;color:var(--j9-muted);text-align:center;}
.j9-article__body table{width:100%;border-collapse:collapse;font-size:15px;}
.j9-article__body .table-wrap{overflow-x:auto;margin:1.6em 0;}

/* 目录 */
.j9-toc{position:sticky;top:100px;font-size:14px;}
.j9-toc h4{font-size:14px;letter-spacing:.4px;color:var(--j9-muted);font-weight:600;margin-bottom:12px;}
.j9-toc ol{list-style:none;padding:0;margin:0;border-left:2px solid var(--j9-line);}
.j9-toc li{margin:0;}
.j9-toc a{display:block;padding:7px 0 7px 14px;color:var(--j9-muted);border-left:2px solid transparent;margin-left:-2px;}
.j9-toc a:hover{color:var(--j9-primary);}
.j9-toc a.is-current{color:var(--j9-primary);border-left-color:var(--j9-primary);font-weight:600;}

/* 文末 */
.j9-end{margin-top:44px;padding-top:24px;border-top:1px solid var(--j9-line);max-width:820px;}
.j9-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px;}
.j9-share{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--j9-muted);}
.j9-share i{
  width:34px;height:34px;border-radius:50%;border:1px solid var(--j9-line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-style:normal;color:var(--j9-primary);font-size:13px;font-weight:600;
}

/* 相关推荐 */
.j9-related{padding:72px 0 0;}
.j9-related h2{font-size:24px;margin-bottom:20px;}
.j9-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.j9-card{
  background:var(--j9-card);border:1px solid var(--j9-line);border-radius:var(--j9-r-card);
  box-shadow:var(--j9-s1);overflow:hidden;transition:transform var(--j9-ease),box-shadow var(--j9-ease);
  display:flex;flex-direction:column;
}
.j9-card:hover{transform:translateY(-2px);box-shadow:var(--j9-s2);}
.j9-card__media{aspect-ratio:3/2;overflow:hidden;background:var(--j9-primary-soft);}
.j9-card__media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .4s ease-out;}
.j9-card:hover .j9-card__media img{transform:scale(1.03);}
.j9-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.j9-card__body h3{font-size:19px;line-height:1.45;}
.j9-card__body p{font-size:14.5px;color:var(--j9-muted);line-height:1.75;margin:0;}
.j9-card__foot{margin-top:auto;padding-top:12px;font-size:13px;color:var(--j9-muted);display:flex;align-items:center;justify-content:space-between;gap:10px;}
.j9-backrow{margin-top:32px;display:flex;gap:24px;flex-wrap:wrap;}

/* 空态 */
.j9-empty{
  max-width:820px;padding:56px 24px;text-align:center;background:#fff;border:1px solid var(--j9-line);
  border-radius:var(--j9-r-card);box-shadow:var(--j9-s1);
}
.j9-empty h2{font-size:22px;margin-bottom:10px;}
.j9-empty p{color:var(--j9-muted);font-size:15px;}

/* 浮动 CTA + 回到顶部 */
.j9-float{
  position:fixed;right:28px;bottom:28px;z-index:900;
  display:inline-flex;align-items:center;gap:10px;height:52px;padding:0 24px;border-radius:var(--j9-r-pill);
  background:var(--j9-accent);color:#fff;font-weight:600;font-size:15px;box-shadow:var(--j9-s3);
  opacity:0;visibility:hidden;transform:translateY(12px);transition:all var(--j9-ease);
}
.j9-float.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.j9-float:hover{background:var(--j9-accent-dark);color:#fff;}
.j9-totop{
  position:fixed;right:28px;bottom:92px;z-index:899;width:48px;height:48px;border-radius:50%;
  background:#fff;border:1px solid var(--j9-line);box-shadow:var(--j9-s2);color:var(--j9-primary);
  display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:18px;
  opacity:0;visibility:hidden;transform:translateY(12px);transition:all var(--j9-ease);
}
.j9-totop.is-visible{opacity:1;visibility:visible;transform:translateY(0);}

/* 页脚 */
.j9-footer{
  background:linear-gradient(180deg,var(--j9-ink) 0%,var(--j9-ink-2) 100%);
  color:#C9D6D2;font-size:14px;padding:64px 0 28px;
}
.j9-footer__cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;}
.j9-footer h3{color:#fff;font-size:15px;margin-bottom:14px;font-weight:600;}
.j9-footer ul{list-style:none;padding:0;margin:0;}
.j9-footer li{margin-bottom:10px;}
.j9-footer a{color:#C9D6D2;}
.j9-footer a:hover{color:#fff;}
.j9-footer .j9-logo__text{color:#fff;}
.j9-footer .j9-logo__text small{color:#9FB3AC;}
.j9-footer__brand p{color:#9FB3AC;font-size:13.5px;line-height:1.8;margin:16px 0 0;max-width:320px;}
.j9-footer__bottom{
  margin-top:40px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:#9FB3AC;
}
.j9-footer__bottom a{color:#9FB3AC;}
.j9-footer__bottom a:hover{color:#fff;}

@media (max-width:1024px){
  .j9-container{padding:0 24px;}
  .j9-nav__menu{display:none;}
  .j9-burger{display:inline-flex;}
  .j9-article__layout{grid-template-columns:minmax(0,1fr);gap:0;}
  .j9-toc{display:none;}
  .j9-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .j9-footer__cols{grid-template-columns:1fr 1fr;}
  .j9-article__head h1{font-size:32px;}
  h2{font-size:26px;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .j9-container{padding:0 20px;}
  .j9-topbar__left span.j9-topbar__hint{display:none;}
  .j9-article__head h1{font-size:28px;}
  .j9-article__body h2{font-size:24px;}
  .j9-article__body h3{font-size:19px;}
  .j9-article{padding-bottom:96px;}
  .j9-float{
    left:16px;right:16px;bottom:calc(12px + env(safe-area-inset-bottom));
    height:56px;justify-content:center;border-radius:12px;
  }
  .j9-totop{right:16px;bottom:calc(80px + env(safe-area-inset-bottom));}
  .j9-grid{grid-template-columns:minmax(0,1fr);}
}
@media (max-width:520px){
  .j9-logo__text{font-size:17px;}
  .j9-logo__text small{display:none;}
  .j9-footer__cols{grid-template-columns:1fr;}
  .j9-article__head h1{font-size:25px;}
  .j9-btn{width:100%;}
  .j9-nav__actions .j9-btn{width:auto;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
  .j9-card:hover .j9-card__media img{transform:none;}
}
html{scroll-behavior:smooth;}

/* roulang page: category1 */
:root{
  --j9-primary:#0F7A6C;
  --j9-primary-dark:#0A564C;
  --j9-primary-light:#E7F4F1;
  --j9-primary-06:rgba(15,122,108,.06);
  --j9-primary-10:rgba(15,122,108,.10);
  --j9-accent:#E3721A;
  --j9-accent-dark:#C25B0E;
  --j9-ink:#14231F;
  --j9-ink-2:#0A1F1B;
  --j9-bg:#FAF7F1;
  --j9-card:#FFFFFF;
  --j9-line:#E3E0D7;
  --j9-text:#23332E;
  --j9-muted:#667A73;
  --j9-spark:#C6E86A;
  --j9-error:#C0392B;
  --j9-r-card:14px;
  --j9-r-btn:10px;
  --j9-r-img:12px;
  --j9-r-lg:20px;
  --j9-r-pill:999px;
  --j9-shadow-1:0 1px 2px rgba(20,35,31,.06),0 2px 8px rgba(20,35,31,.05);
  --j9-shadow-2:0 8px 24px rgba(20,35,31,.08);
  --j9-shadow-3:0 16px 40px rgba(20,35,31,.14);
  --j9-ease:cubic-bezier(.2,.7,.3,1);
  --j9-container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--j9-text);
  background:var(--j9-bg);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{color:var(--j9-ink);line-height:1.3;font-weight:600}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea,select{font:inherit}
:focus-visible{outline:3px solid rgba(15,122,108,.35);outline-offset:2px}
.j9-num{font-variant-numeric:tabular-nums}
.j9-container{width:100%;max-width:var(--j9-container);margin:0 auto;padding:0 32px}
section[id],div[id]{scroll-margin-top:96px}
/* Foundation 默认样式覆盖 */
.button,.button.primary,.button.secondary,.button.success,.button.alert{
  background-color:var(--j9-accent);border-radius:var(--j9-r-btn);color:#fff;font-weight:600;
}
.button:hover,.button:focus{background-color:var(--j9-accent-dark);color:#fff}
.callout{border:none;border-radius:var(--j9-r-card);background:var(--j9-primary-06);color:var(--j9-text)}
.accordion{border:none;background:transparent;border-radius:var(--j9-r-card)}
.accordion-item{border:none;background:transparent}
.accordion-title{border:none;font-size:17px;color:var(--j9-ink)}
.accordion-title:hover,.accordion-title:focus{background:var(--j9-primary-06)}
.grid-container{padding-left:32px;padding-right:32px}
/* 顶部信息条 */
.j9-topbar{
  background:linear-gradient(90deg,#0A1F1B,#14231F);
  color:#DCE9E5;
  font-size:13px;
  height:32px;
  display:flex;
  align-items:center;
  overflow:hidden;
  transition:height .25s var(--j9-ease),opacity .2s var(--j9-ease);
}
.j9-topbar .j9-container{display:flex;align-items:center;justify-content:space-between;gap:16px}
.j9-topbar__left{display:flex;align-items:center;gap:10px;white-space:nowrap}
.j9-topbar__dot{width:7px;height:7px;border-radius:50%;background:var(--j9-spark);flex:0 0 auto}
.j9-topbar__right{display:flex;align-items:center;gap:14px;white-space:nowrap}
.j9-topbar a{color:#fff;font-weight:600}
.j9-topbar a:hover{color:var(--j9-spark)}
.j9-topbar__minor{color:#9FB3AC;font-weight:400}
.j9-topbar__minor:hover{color:#fff}
/* 主导航 */
.j9-header{position:sticky;top:0;z-index:800}
.j9-header.is-scrolled .j9-topbar{height:0;opacity:0}
.j9-nav{
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--j9-line);
  transition:box-shadow .25s var(--j9-ease),background .25s var(--j9-ease);
}
.j9-header.is-scrolled .j9-nav{box-shadow:var(--j9-shadow-1)}
.j9-nav .j9-container{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;transition:height .25s var(--j9-ease)}
.j9-header.is-scrolled .j9-nav .j9-container{height:60px}
.j9-logo{display:flex;align-items:center;gap:12px;min-width:0}
.j9-logo__mark{
  width:38px;height:38px;flex:0 0 auto;border-radius:12px;
  background:linear-gradient(140deg,#12A08D,#0A564C);
  color:#fff;font-weight:700;font-size:15px;letter-spacing:.5px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--j9-shadow-1);
}
.j9-logo__text{display:flex;flex-direction:column;font-size:20px;font-weight:700;color:var(--j9-ink);line-height:1.2;white-space:nowrap}
.j9-logo__text small{font-size:12px;font-weight:400;color:var(--j9-muted);letter-spacing:.2px}
.j9-nav__menu{display:flex;align-items:center;gap:6px}
.j9-nav__link{
  position:relative;padding:10px 14px;border-radius:var(--j9-r-btn);
  font-size:16px;font-weight:500;color:var(--j9-text);
  transition:color .2s var(--j9-ease),background .2s var(--j9-ease);
}
.j9-nav__link:hover{color:var(--j9-primary);background:var(--j9-primary-06)}
.j9-nav__link.is-active{color:var(--j9-primary);font-weight:600}
.j9-nav__link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  border-radius:2px;background:var(--j9-primary);
}
.j9-nav__actions{display:flex;align-items:center;gap:12px}
/* 按钮 */
.j9-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--j9-r-btn);
  font-size:16px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform .22s var(--j9-ease),box-shadow .22s var(--j9-ease),background .22s var(--j9-ease),color .22s var(--j9-ease),border-color .22s var(--j9-ease);
}
.j9-btn--sm{height:40px;padding:0 18px;font-size:15px}
.j9-btn--primary{background:var(--j9-accent);color:#fff;box-shadow:var(--j9-shadow-1)}
.j9-btn--primary:hover{background:var(--j9-accent-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--j9-shadow-2)}
.j9-btn--primary:active{transform:translateY(1px)}
.j9-btn--ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.7)}
.j9-btn--ghost:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-1px)}
.j9-btn--outline{background:transparent;color:var(--j9-primary);border:1.5px solid var(--j9-primary)}
.j9-btn--outline:hover{background:var(--j9-primary-10);color:var(--j9-primary-dark);transform:translateY(-1px)}
.j9-btn--block{width:100%}
.j9-textlink{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--j9-primary);font-weight:600;font-size:15px;
  border-bottom:1px solid rgba(15,122,108,.35);padding-bottom:2px;
}
.j9-textlink span{transition:transform .22s var(--j9-ease)}
.j9-textlink:hover{border-bottom-color:var(--j9-primary)}
.j9-textlink:hover span{transform:translateX(3px)}
/* 徽章 */
.j9-badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:var(--j9-r-pill);
  background:var(--j9-primary-10);color:var(--j9-primary-dark);
  font-size:13px;font-weight:600;line-height:1;
}
.j9-badge--hero{background:rgba(255,255,255,.9);color:var(--j9-primary-dark)}
.j9-badge--soft{background:rgba(227,114,26,.12);color:var(--j9-accent-dark)}
/* Hero */
.j9-hero{
  position:relative;
  min-height:340px;
  display:flex;align-items:center;
  background-color:#0A564C;
  background-image:linear-gradient(100deg,rgba(10,86,76,.92) 0%,rgba(10,31,27,.86) 46%,rgba(10,31,27,.42) 100%),url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center 35%;
  overflow:hidden;
}
.j9-hero__inner{position:relative;z-index:2;padding-top:56px;padding-bottom:56px;max-width:820px}
.j9-crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:18px}
.j9-crumb a{color:rgba(255,255,255,.86)}
.j9-crumb a:hover{color:#fff;text-decoration:underline}
.j9-crumb .is-current{color:#fff;font-weight:600}
.j9-hero h1{
  margin:16px 0 16px;
  font-size:40px;font-weight:700;color:#fff;letter-spacing:.5px;
}
.j9-hero p{font-size:17px;color:rgba(255,255,255,.86);max-width:660px}
.j9-hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
/* 通用板块 */
.j9-section{padding:88px 0}
.j9-section--alt{background:var(--j9-primary-06)}
.j9-section--tight{padding-top:0}
.j9-sec-head{max-width:720px;margin-bottom:40px}
.j9-sec-head h2{font-size:30px;margin-bottom:12px}
.j9-sec-head p{color:var(--j9-muted);font-size:16px}
.j9-sec-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none}
/* 主体两栏 */
.j9-layout{display:grid;grid-template-columns:300px minmax(0,1fr);gap:40px;align-items:start}
.j9-sidebar{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.j9-side-card{
  background:var(--j9-card);border:1px solid var(--j9-line);border-radius:var(--j9-r-card);
  padding:22px;box-shadow:var(--j9-shadow-1);
}
.j9-side-card h3{font-size:16px;margin-bottom:14px}
.j9-side-list{display:flex;flex-direction:column;gap:2px}
.j9-side-list a{
  display:flex;align-items:center;gap:10px;min-height:44px;padding:8px 10px;
  border-radius:8px;font-size:15px;color:var(--j9-text);
  transition:background .2s var(--j9-ease),color .2s var(--j9-ease);
}
.j9-side-list a::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--j9-primary);opacity:.5;flex:0 0 auto}
.j9-side-list a:hover{background:var(--j9-primary-06);color:var(--j9-primary-dark)}
.j9-side-list a:hover::before{opacity:1}
.j9-side-tags{display:flex;flex-wrap:wrap;gap:8px}
.j9-side-tags a{
  display:inline-flex;align-items:center;height:34px;padding:0 14px;border-radius:var(--j9-r-pill);
  background:var(--j9-primary-06);color:var(--j9-primary-dark);font-size:14px;font-weight:500;
  transition:background .2s var(--j9-ease),color .2s var(--j9-ease);
}
.j9-side-tags a:hover{background:var(--j9-primary);color:#fff}
.j9-side-cta{
  background:linear-gradient(150deg,#14231F,#0A564C);
  border-radius:var(--j9-r-card);padding:22px;color:#fff;border:1px solid rgba(255,255,255,.08);
}
.j9-side-cta h3{color:#fff;font-size:16px;margin-bottom:10px}
.j9-side-cta p{font-size:14px;color:#C9D6D2;line-height:1.75;margin-bottom:16px}
/* 图文卡片 */
.j9-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.j9-card{
  background:var(--j9-card);border:1px solid var(--j9-line);border-radius:var(--j9-r-card);
  overflow:hidden;box-shadow:var(--j9-shadow-1);
  transition:transform .22s var(--j9-ease),box-shadow .22s var(--j9-ease);
  display:flex;flex-direction:column;
}
.j9-card:hover{transform:translateY(-2px);box-shadow:var(--j9-shadow-2)}
.j9-card__media{position:relative;overflow:hidden;aspect-ratio:3/2;background:#DDE7E3}
.j9-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease-out}
.j9-card:hover .j9-card__media img{transform:scale(1.03)}
.j9-card__body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.j9-card__body h3{font-size:19px}
.j9-card__body p{font-size:15px;color:var(--j9-muted);line-height:1.8}
.j9-card__body .j9-textlink{margin-top:auto}
/* 要点速览 */
.j9-quick{
  background:var(--j9-card);border:1px solid var(--j9-line);border-radius:var(--j9-r-lg);
  padding:40px;box-shadow:var(--j9-shadow-1);
}
.j9-quick ul{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 40px;margin-top:8px}
.j9-quick li{display:flex;gap:12px;font-size:16px;line-height:1.8;color:var(--j9-text)}
.j9-quick li::before{
  content:"";flex:0 0 auto;width:9px;height:9px;border-radius:50%;
  background:var(--j9-primary);margin-top:11px;
}
.j9-quick li b{color:var(--j9-ink);font-weight:600}
/* 数据条 */
.j9-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-bottom:40px}
.j9-stat{
  background:var(--j9-card);border:1px solid var(--j9-line);border-radius:var(--j9-r-card);
  padding:26px;box-shadow:var(--j9-shadow-1);
}
.j9-stat strong{display:block;font-size:34px;font-weight:700;color:var(--j9-primary-dark);line-height:1.1}
.j9-stat span{display:block;margin-top:8px;font-size:13px;color:var(--j9-muted)}
/* FAQ */
.j9-faq{display:flex;flex-direction:column;gap:12px;max-width:900px}
.j9-faq__item{
  background:var(--j9-card);border:1px solid var(--j9-line);border-radius:var(--j9-r-card);
  box-shadow:var(--j9-shadow-1);overflow:hidden;
  transition:border-color .2s var(--j9-ease);
}
.j9-faq__item.is-open{border-color:rgba(15,122,108,.45)}
.j9-faq__q{
  position:relative;width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 24px;text-align:left;font-size:17px;font-weight:600;color:var(--j9-ink);
  min-height:56px;transition:color .2s var(--j9-ease);
}
.j9-faq__q::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:0 3px 3px 0;
  background:var(--j9-primary);opacity:0;transition:opacity .2s var(--j9-ease);
}
.j9-faq__item.is-open .j9-faq__q{color:var(--j9-primary-dark)}
.j9-faq__item.is-open .j9-faq__q::before{opacity:1}
.j9-faq__icon{position:relative;width:18px;height:18px;flex:0 0 auto}
.j9-faq__icon::before,.j9-faq__icon::after{
  content:"";position:absolute;background:var(--j9-primary);border-radius:2px;
  transition:transform .25s var(--j9-ease),opacity .25s var(--j9-ease);
}
.j9-faq__icon::before{left:0;top:8px;width:18px;height:2px}
.j9-faq__icon::after{left:8px;top:0;width:2px;height:18px}
.j9-faq__item.is-open .j9-faq__icon::after{transform:rotate(90deg);opacity:0}
.j9-faq__a{padding:0 24px 22px 27px;font-size:16px;line-height:1.8;color:var(--j9-text)}
/* CTA 条 */
.j9-ctabar{
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  background:var(--j9-primary-06);border:1px solid rgba(15,122,108,.16);
  border-radius:var(--j9-r-card);padding:22px 28px;margin-top:40px;
}
.j9-ctabar p{font-size:16px;color:var(--j9-ink)}
/* 底部 CTA */
.j9-cta{
  background:linear-gradient(160deg,#14231F,#0A1F1B);
  padding:88px 0;text-align:center;color:#fff;
}
.j9-cta h2{color:#fff;font-size:30px;margin-bottom:14px}
.j9-cta p{color:#C9D6D2;font-size:16px;max-width:640px;margin:0 auto 28px}
.j9-cta__actions{display:flex;justify-content:center;flex-wrap:wrap;gap:12px}
/* 页脚 */
.j9-footer{background:linear-gradient(160deg,#14231F,#0A1F1B);color:#C9D6D2;padding:64px 0 28px;font-size:14px}
.j9-footer__cols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.j9-footer__brand .j9-logo__text{color:#fff;font-size:19px}
.j9-footer__brand .j9-logo__text small{color:#9FB3AC}
.j9-footer__brand p{margin-top:16px;line-height:1.8;color:#9FB3AC;max-width:340px}
.j9-footer h3{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600}
.j9-footer ul{display:flex;flex-direction:column;gap:10px}
.j9-footer ul a{color:#C9D6D2;transition:color .2s var(--j9-ease)}
.j9-footer ul a:hover{color:#fff}
.j9-footer__bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#9FB3AC;
}
.j9-footer__bottom a{color:#C9D6D2}
.j9-footer__bottom a:hover{color:#fff}
/* 浮动 CTA */
.j9-float{
  position:fixed;right:28px;bottom:28px;z-index:900;
  display:flex;align-items:center;gap:10px;
  opacity:0;transform:translateY(12px);pointer-events:none;
  transition:opacity .28s var(--j9-ease),transform .28s var(--j9-ease);
}
.j9-float.is-visible{opacity:1;transform:translateY(0);pointer-events:auto}
.j9-float .j9-btn{box-shadow:var(--j9-shadow-3);border-radius:var(--j9-r-pill);height:52px;padding:0 28px}
.j9-backtop{
  width:52px;height:52px;border-radius:50%;background:#fff;color:var(--j9-primary-dark);
  border:1px solid var(--j9-line);box-shadow:var(--j9-shadow-2);
  display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:600;
  transition:transform .22s var(--j9-ease),box-shadow .22s var(--j9-ease);
}
.j9-backtop:hover{transform:translateY(-2px);box-shadow:var(--j9-shadow-3)}
.j9-backtop[hidden]{display:none}
/* 移动端抽屉 */
.j9-burger{
  display:none;width:44px;height:44px;border-radius:var(--j9-r-btn);
  border:1px solid var(--j9-line);align-items:center;justify-content:center;
}
.j9-burger span{position:relative;display:block;width:20px;height:2px;background:var(--j9-ink);border-radius:2px}
.j9-burger span::before,.j9-burger span::after{
  content:"";position:absolute;left:0;width:20px;height:2px;background:var(--j9-ink);border-radius:2px;
  transition:transform .25s var(--j9-ease);
}
.j9-burger span::before{top:-6px}
.j9-burger span::after{top:6px}
.j9-drawer{
  position:fixed;top:0;right:0;z-index:1000;
  width:84vw;max-width:360px;height:100%;
  background:#fff;box-shadow:var(--j9-shadow-3);
  transform:translateX(100%);transition:transform .28s var(--j9-ease);
  display:flex;flex-direction:column;padding:20px;gap:18px;overflow-y:auto;
}
.j9-drawer.is-open{transform:translateX(0)}
.j9-drawer__head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.j9-drawer__close{
  width:44px;height:44px;border-radius:var(--j9-r-btn);border:1px solid var(--j9-line);
  font-size:22px;line-height:1;display:flex;align-items:center;justify-content:center;color:var(--j9-ink);
}
.j9-drawer__nav{display:flex;flex-direction:column}
.j9-drawer__nav a{
  display:flex;align-items:center;min-height:48px;padding:10px 12px;border-radius:var(--j9-r-btn);
  font-size:16px;font-weight:500;color:var(--j9-text);
}
.j9-drawer__nav a:hover{background:var(--j9-primary-06);color:var(--j9-primary-dark)}
.j9-drawer__nav a.is-active{background:var(--j9-primary-10);color:var(--j9-primary-dark);font-weight:600}
.j9-drawer__tip{font-size:13px;color:var(--j9-muted);line-height:1.7;margin-top:auto}
.j9-mask{
  position:fixed;inset:0;z-index:999;background:rgba(11,31,27,.45);
  opacity:0;pointer-events:none;transition:opacity .25s var(--j9-ease);
}
.j9-mask.is-open{opacity:1;pointer-events:auto}
body.is-locked{overflow:hidden}
/* 响应式 */
@media (max-width:1024px){
  .j9-container{padding:0 24px}
  .j9-nav__menu{display:none}
  .j9-burger{display:flex}
  .j9-nav__actions .j9-btn{display:none}
  .j9-layout{grid-template-columns:1fr;gap:32px}
  .j9-sidebar{position:static;flex-direction:row;flex-wrap:wrap}
  .j9-side-card{flex:1 1 260px}
  .j9-footer__cols{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
  .j9-hero h1{font-size:32px}
}
@media (max-width:768px){
  body{font-size:16px}
  .j9-section{padding:64px 0}
  .j9-hero{min-height:260px}
  .j9-hero__inner{padding-top:44px;padding-bottom:44px}
  .j9-hero h1{font-size:28px}
  .j9-sec-head h2{font-size:24px}
  .j9-cards{grid-template-columns:1fr}
  .j9-quick{padding:26px}
  .j9-quick ul{grid-template-columns:1fr}
  .j9-stats{grid-template-columns:1fr;gap:14px}
  .j9-ctabar{flex-direction:column;align-items:flex-start;padding:20px}
  .j9-cta{padding:64px 0}
  .j9-cta h2{font-size:24px}
  .j9-float{
    left:0;right:0;bottom:0;transform:translateY(100%);
    padding:8px 16px calc(8px + env(safe-area-inset-bottom));
    background:rgba(255,255,255,.96);border-top:1px solid var(--j9-line);
    gap:12px;
  }
  .j9-float.is-visible{transform:translateY(0)}
  .j9-float .j9-btn{flex:1 1 auto;height:52px}
  .j9-backtop{width:52px;height:52px;flex:0 0 auto}
  body{padding-bottom:72px}
}
@media (max-width:520px){
  .j9-container{padding:0 20px}
  .j9-logo__text{font-size:17px}
  .j9-logo__text small{font-size:11px}
  .j9-logo__mark{width:34px;height:34px;border-radius:10px;font-size:13px}
  .j9-topbar__left span:last-child{display:none}
  .j9-hero h1{font-size:25px}
  .j9-hero p{font-size:15px}
  .j9-btn{width:100%}
  .j9-hero__actions .j9-btn{width:100%}
  .j9-sec-head--row{flex-direction:column;align-items:flex-start;gap:12px}
  .j9-footer__cols{grid-template-columns:1fr}
  .j9-footer__bottom{flex-direction:column;align-items:flex-start}
  .j9-quick{padding:22px}
  .j9-sidebar{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .j9-card:hover{transform:none}
  .j9-card:hover .j9-card__media img{transform:none}
}

/* roulang page: category2 */
:root{
  --j9-primary:#0F7A6C;
  --j9-primary-dark:#0A564C;
  --j9-primary-soft:#E7F4F1;
  --j9-accent:#E3721A;
  --j9-accent-dark:#C25B0E;
  --j9-ink:#14231F;
  --j9-ink-2:#0A1F1B;
  --j9-bg:#FAF7F1;
  --j9-card:#FFFFFF;
  --j9-line:#E3E0D7;
  --j9-text:#23332E;
  --j9-muted:#667A73;
  --j9-spark:#C6E86A;
  --j9-error:#C0392B;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-lg:20px;
  --r-pill:999px;
  --sh1:0 1px 2px rgba(20,35,31,.06),0 2px 8px rgba(20,35,31,.05);
  --sh2:0 8px 24px rgba(20,35,31,.08);
  --sh3:0 16px 40px rgba(20,35,31,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:.22s var(--ease);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--j9-text);
  background:var(--j9-bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--j9-primary);text-decoration:none;background:transparent;}
a:hover{color:var(--j9-primary-dark);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--j9-ink);font-weight:700;line-height:1.3;letter-spacing:.2px;}
p{margin:0 0 1em;}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
:focus{outline:none;}
:focus-visible{outline:3px solid rgba(15,122,108,.35);outline-offset:2px;border-radius:6px;}
.j9-container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.j9-container--wide{max-width:1240px;}

/* 顶部信息条 + 导航 */
.j9-header{position:sticky;top:0;z-index:800;background:rgba(255,255,255,.94);border-bottom:1px solid var(--j9-line);transition:box-shadow var(--t),background var(--t);}
.j9-header.is-scrolled{box-shadow:var(--sh1);background:rgba(255,255,255,.97);}
.j9-nav{padding:14px 0;transition:padding var(--t);}
.j9-header.is-scrolled .j9-nav{padding:8px 0;}
.j9-nav .j9-container{display:flex;align-items:center;justify-content:space-between;gap:24px;}
.j9-logo{display:flex;align-items:center;gap:12px;color:var(--j9-ink);}
.j9-logo:hover{color:var(--j9-ink);}
.j9-logo__mark{width:42px;height:42px;flex:0 0 42px;border-radius:12px;background:linear-gradient(140deg,#12A08D,#0A564C);color:#fff;font-weight:700;font-size:17px;display:flex;align-items:center;justify-content:center;letter-spacing:.5px;box-shadow:var(--sh1);}
.j9-logo__text{display:flex;flex-direction:column;font-size:20px;font-weight:700;line-height:1.2;letter-spacing:.2px;}
.j9-logo__text small{font-size:12px;font-weight:400;color:var(--j9-muted);letter-spacing:.4px;margin-top:2px;}
.j9-nav__menu{display:flex;align-items:center;gap:6px;flex:1;justify-content:center;}
.j9-nav__link{position:relative;display:inline-flex;align-items:center;min-height:44px;padding:0 14px;font-size:16px;font-weight:500;color:var(--j9-text);border-radius:var(--r-btn);transition:color var(--t),background var(--t);}
.j9-nav__link:hover{color:var(--j9-primary);background:rgba(15,122,108,.06);}
.j9-nav__link.is-active{color:var(--j9-primary);font-weight:600;}
.j9-nav__link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:-1px;height:2px;background:var(--j9-primary);border-radius:2px;}
.j9-nav__actions{display:flex;align-items:center;gap:12px;}
.j9-burger{display:none;width:44px;height:44px;border:1px solid var(--j9-line);background:#fff;border-radius:var(--r-btn);position:relative;padding:0;}
.j9-burger span,.j9-burger span::before,.j9-burger span::after{position:absolute;left:50%;width:18px;height:2px;background:var(--j9-ink);border-radius:2px;transform:translateX(-50%);transition:var(--t);}
.j9-burger span{top:50%;margin-top:-1px;}
.j9-burger span::before{content:"";left:0;transform:none;top:-6px;}
.j9-burger span::after{content:"";left:0;transform:none;top:6px;}
.j9-burger.is-open span{background:transparent;}
.j9-burger.is-open span::before{top:0;transform:rotate(45deg);}
.j9-burger.is-open span::after{top:0;transform:rotate(-45deg);}

/* 按钮 */
.j9-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 26px;border:1.5px solid transparent;border-radius:var(--r-btn);font-size:16px;font-weight:600;line-height:1;transition:transform var(--t),background var(--t),color var(--t),box-shadow var(--t),border-color var(--t);text-align:center;}
.j9-btn--primary{background:var(--j9-accent);color:#fff;box-shadow:var(--sh1);}
.j9-btn--primary:hover{background:var(--j9-accent-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh2);}
.j9-btn--primary:active{transform:translateY(0);}
.j9-btn--ghost{background:transparent;color:var(--j9-primary);border-color:var(--j9-primary);}
.j9-btn--ghost:hover{background:rgba(15,122,108,.08);color:var(--j9-primary-dark);}
.j9-btn--light{background:transparent;color:#fff;border-color:rgba(255,255,255,.7);}
.j9-btn--light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}
.j9-btn--sm{min-height:40px;padding:0 18px;font-size:14px;}
.j9-btn--block{width:100%;}
.j9-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--j9-primary);border-bottom:1px solid rgba(15,122,108,.35);padding-bottom:2px;transition:border-color var(--t),color var(--t);}
.j9-link:hover{border-color:var(--j9-primary);color:var(--j9-primary-dark);}
.j9-link__arrow{transition:transform var(--t);}
.j9-link:hover .j9-link__arrow{transform:translateX(3px);}

/* 徽章 */
.j9-badge{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);background:rgba(15,122,108,.1);color:var(--j9-primary-dark);font-size:13px;font-weight:600;letter-spacing:.3px;}

/* Hero 左右分栏 */
.j9-c2hero{padding:56px 0 64px;background:linear-gradient(180deg,#fff 0%,var(--j9-bg) 100%);border-bottom:1px solid var(--j9-line);}
.j9-c2hero .grid-x{align-items:center;}
.j9-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--j9-muted);margin-bottom:18px;}
.j9-crumb a{color:var(--j9-muted);}
.j9-crumb a:hover{color:var(--j9-primary);}
.j9-crumb__sep{color:var(--j9-line);}
.j9-crumb__now{color:var(--j9-text);font-weight:500;}
.j9-c2hero h1{font-size:40px;margin:16px 0 18px;letter-spacing:.2px;}
.j9-c2hero h1 em{font-style:normal;color:var(--j9-primary);}
.j9-c2hero__lead{font-size:18px;color:var(--j9-muted);max-width:540px;margin-bottom:26px;line-height:1.8;}
.j9-c2hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:24px;}
.j9-c2hero__meta{display:flex;flex-wrap:wrap;gap:20px;font-size:14px;color:var(--j9-muted);}
.j9-c2hero__meta span{display:inline-flex;align-items:center;gap:8px;}
.j9-dot{width:8px;height:8px;border-radius:50%;background:var(--j9-spark);display:inline-block;}
.j9-c2hero__figure{position:relative;margin:0;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh2);border:1px solid var(--j9-line);background:#fff;}
.j9-c2hero__figure img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:0;}
.j9-c2hero__tag{position:absolute;top:0;right:0;background:var(--j9-primary);color:#fff;font-size:13px;font-weight:600;padding:10px 18px;border-bottom-left-radius:var(--r-card);letter-spacing:.4px;}
.j9-c2hero__bar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 20px;background:#fff;border-top:1px solid var(--j9-line);font-size:13px;color:var(--j9-muted);}
.j9-c2hero__bar strong{color:var(--j9-ink);font-size:14px;}

/* 板块 */
.j9-section{padding:88px 0;}
.j9-section--alt{background:rgba(15,122,108,.04);}
.j9-sechead{max-width:720px;margin-bottom:48px;}
.j9-sechead h2{font-size:30px;margin-bottom:14px;}
.j9-sechead p{margin:0;color:var(--j9-muted);font-size:16px;}
.j9-sechead--split{max-width:none;display:flex;align-items:flex-end;justify-content:space-between;gap:32px;flex-wrap:wrap;}

/* 时间轴 */
.j9-timeline{position:relative;padding-left:0;}
.j9-timeline::before{content:"";position:absolute;left:23px;top:16px;bottom:26px;width:2px;background:linear-gradient(180deg,rgba(15,122,108,.4),rgba(15,122,108,.06));}
.j9-timeline__item{display:flex;gap:24px;padding-bottom:28px;position:relative;}
.j9-timeline__item:last-child{padding-bottom:0;}
.j9-timeline__marker{flex:0 0 48px;width:48px;height:48px;border-radius:50%;background:#fff;border:1.5px solid rgba(15,122,108,.35);color:var(--j9-primary);font-weight:700;font-size:15px;display:flex;align-items:center;justify-content:center;position:relative;z-index:1;box-shadow:var(--sh1);}
.j9-timeline__body{flex:1;background:var(--j9-card);border:1px solid var(--j9-line);border-radius:var(--r-card);padding:22px 24px;box-shadow:var(--sh1);transition:transform var(--t),box-shadow var(--t);}
.j9-timeline__body:hover{transform:translateY(-2px);box-shadow:var(--sh2);}
.j9-timeline__body h3{font-size:20px;margin-bottom:10px;}
.j9-timeline__body p{font-size:16px;color:var(--j9-muted);margin-bottom:14px;}
.j9-timeline__body p:last-child{margin-bottom:0;}

/* 对比说明 */
.j9-compare-head{margin-bottom:34px;}
.j9-compare{border-radius:var(--r-card);padding:28px 26px;height:100%;}
.j9-compare h3{font-size:21px;margin-bottom:6px;}
.j9-compare__hint{font-size:14px;margin-bottom:18px;}
.j9-compare ul{display:flex;flex-direction:column;gap:14px;}
.j9-compare li{display:flex;gap:12px;font-size:16px;line-height:1.75;color:var(--j9-text);}
.j9-compare li i{flex:0 0 22px;width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-style:normal;font-size:13px;font-weight:700;margin-top:4px;}
.j9-compare--in{background:var(--j9-primary-soft);border:1px solid rgba(15,122,108,.22);}
.j9-compare--in .j9-compare__hint{color:var(--j9-primary-dark);}
.j9-compare--in li i{background:rgba(15,122,108,.16);color:var(--j9-primary-dark);}
.j9-compare--out{background:#F3F0E8;border:1px solid var(--j9-line);}
.j9-compare--out .j9-compare__hint{color:var(--j9-muted);}
.j9-compare--out li i{background:rgba(102,122,115,.14);color:var(--j9-muted);}

/* 数据条 */
.j9-band{padding:72px 0;background-image:linear-gradient(120deg,rgba(10,31,27,.94),rgba(15,60,52,.88)),url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;color:#fff;}
.j9-band h2{color:#fff;font-size:28px;margin-bottom:12px;}
.j9-band__lead{color:rgba(255,255,255,.72);font-size:16px;max-width:640px;margin-bottom:40px;}
.j9-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.j9-stat{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-card);padding:26px 24px;}
.j9-stat__value{display:flex;align-items:baseline;gap:6px;font-size:40px;font-weight:700;color:#fff;line-height:1.1;margin-bottom:10px;}
.j9-stat__value small{font-size:15px;font-weight:500;color:var(--j9-spark);}
.j9-stat p{font-size:14px;color:rgba(255,255,255,.7);margin:0;}

/* FAQ */
.j9-faq{max-width:840px;}
.j9-faq__item{border:1px solid var(--j9-line);border-radius:var(--r-card);background:#fff;margin-bottom:14px;overflow:hidden;transition:box-shadow var(--t),border-color var(--t);}
.j9-faq__item:hover{box-shadow:var(--sh1);}
.j9-faq__item.is-open{border-color:rgba(15,122,108,.4);box-shadow:var(--sh2);}
.j9-faq__q{display:flex;align-items:center;justify-content:space-between;gap:18px;width:100%;background:none;border:0;text-align:left;padding:20px 24px;font-size:17px;font-weight:600;color:var(--j9-ink);border-left:3px solid transparent;transition:color var(--t),border-color var(--t),background var(--t);}
.j9-faq__item.is-open .j9-faq__q{color:var(--j9-primary);border-left-color:var(--j9-primary);}
.j9-faq__icon{position:relative;flex:0 0 20px;width:20px;height:20px;}
.j9-faq__icon::before,.j9-faq__icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--j9-primary);border-radius:2px;transition:transform var(--t),opacity var(--t);}
.j9-faq__icon::before{width:14px;height:2px;transform:translate(-50%,-50%);}
.j9-faq__icon::after{width:2px;height:14px;transform:translate(-50%,-50%);}
.j9-faq__item.is-open .j9-faq__icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.j9-faq__a{max-height:0;overflow:hidden;transition:max-height .25s var(--ease);}
.j9-faq__a p{padding:0 24px 22px;margin:0;font-size:16px;color:var(--j9-muted);}

/* 内联 CTA 条 */
.j9-inline{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;background:rgba(15,122,108,.06);border:1px solid rgba(15,122,108,.14);border-radius:var(--r-card);padding:20px 24px;margin-top:44px;}
.j9-inline p{margin:0;font-size:16px;color:var(--j9-text);}

/* CTA 带 */
.j9-cta{background:linear-gradient(135deg,var(--j9-ink) 0%,var(--j9-ink-2) 100%);color:#fff;padding:88px 0;text-align:center;}
.j9-cta h2{color:#fff;font-size:30px;margin-bottom:16px;}
.j9-cta p{color:rgba(255,255,255,.76);max-width:620px;margin:0 auto 30px;font-size:16px;}
.j9-cta__actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}

/* 页脚 */
.j9-footer{background:linear-gradient(135deg,#14231F 0%,#0A1F1B 100%);color:#C9D6D2;padding:72px 0 28px;font-size:15px;}
.j9-footer__cols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;}
.j9-footer h3{color:#fff;font-size:16px;font-weight:600;margin-bottom:16px;}
.j9-footer p{color:#9FB3AC;font-size:14px;line-height:1.8;margin:16px 0 0;max-width:340px;}
.j9-footer ul{display:flex;flex-direction:column;gap:10px;}
.j9-footer a{color:#C9D6D2;font-size:14px;}
.j9-footer a:hover{color:#fff;}
.j9-footer .j9-logo__text{color:#fff;font-size:20px;}
.j9-footer .j9-logo__text small{color:#9FB3AC;}
.j9-footer__bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:#9FB3AC;}
.j9-footer__bottom a{font-size:13px;color:#9FB3AC;}
.j9-footer__bottom a:hover{color:#fff;}

/* 浮动 CTA 与回到顶部 */
.j9-floatbar{position:fixed;right:28px;bottom:28px;z-index:900;display:flex;flex-direction:column;align-items:flex-end;gap:12px;opacity:0;visibility:hidden;transform:translateY(12px);transition:opacity .25s var(--ease),transform .25s var(--ease),visibility .25s;}
.j9-floatbar.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.j9-floatbar .j9-btn{border-radius:var(--r-pill);padding:0 24px;box-shadow:var(--sh3);}
.j9-top{width:44px;height:44px;border-radius:50%;background:#fff;border:1px solid var(--j9-line);color:var(--j9-primary);font-size:18px;line-height:1;box-shadow:var(--sh2);display:flex;align-items:center;justify-content:center;transition:transform var(--t),box-shadow var(--t);}
.j9-top:hover{transform:translateY(-2px);box-shadow:var(--sh3);}

/* 抽屉 */
.j9-mask{position:fixed;inset:0;background:rgba(11,31,27,.45);opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s;z-index:950;}
.j9-mask.is-open{opacity:1;visibility:visible;}
.j9-drawer{position:fixed;top:0;right:0;height:100%;width:84vw;max-width:360px;background:#fff;z-index:960;transform:translateX(100%);transition:transform .28s var(--ease);box-shadow:var(--sh3);overflow-y:auto;}
.j9-drawer.is-open{transform:translateX(0);}
.j9-drawer__inner{padding:24px 22px 32px;display:flex;flex-direction:column;gap:20px;min-height:100%;}
.j9-drawer__head{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;}
.j9-drawer__close{width:44px;height:44px;border:1px solid var(--j9-line);background:#fff;border-radius:var(--r-btn);font-size:22px;line-height:1;color:var(--j9-ink);}
.j9-drawer__nav{display:flex;flex-direction:column;}
.j9-drawer__link{display:flex;align-items:center;min-height:48px;padding:0 4px;font-size:16px;font-weight:500;color:var(--j9-text);border-bottom:1px solid var(--j9-line);}
.j9-drawer__link.is-active{color:var(--j9-primary);font-weight:600;}
.j9-drawer__note{font-size:13px;color:var(--j9-muted);margin:0;}

/* 响应式 */
@media screen and (max-width:1024px){
  .j9-nav__menu{display:none;}
  .j9-burger{display:block;}
  .j9-nav__actions .j9-btn{display:none;}
  .j9-footer__cols{grid-template-columns:1fr 1fr;gap:32px 24px;}
  .j9-c2hero h1{font-size:32px;}
  .j9-c2hero{padding:44px 0 52px;}
}
@media screen and (max-width:768px){
  body{font-size:16px;}
  .j9-container{padding:0 20px;}
  .j9-section{padding:56px 0;}
  .j9-sechead{margin-bottom:32px;}
  .j9-sechead h2{font-size:24px;}
  .j9-c2hero h1{font-size:28px;}
  .j9-c2hero__lead{font-size:16px;}
  .j9-c2hero__actions .j9-btn{width:100%;}
  .j9-stats{grid-template-columns:1fr;}
  .j9-band{padding:56px 0;}
  .j9-timeline::before{left:19px;}
  .j9-timeline__marker{flex:0 0 40px;width:40px;height:40px;font-size:14px;}
  .j9-timeline__item{gap:16px;}
  .j9-timeline__body{padding:18px 18px;}
  .j9-compare{padding:22px 20px;}
  .j9-cta{padding:60px 0;}
  .j9-cta h2{font-size:24px;}
  .j9-cta__actions .j9-btn{width:100%;}
  .j9-footer{padding:56px 0 88px;}
  .j9-floatbar{right:0;left:0;bottom:0;flex-direction:row;align-items:center;gap:10px;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:#fff;border-top:1px solid var(--j9-line);box-shadow:0 -6px 20px rgba(20,35,31,.08);transform:translateY(100%);}
  .j9-floatbar.is-visible{transform:translateY(0);}
  .j9-floatbar .j9-btn{flex:1;min-height:48px;box-shadow:none;border-radius:var(--r-btn);}
  .j9-top{flex:0 0 44px;}
}
@media screen and (max-width:520px){
  .j9-logo__text{font-size:17px;}
  .j9-logo__text small{display:none;}
  .j9-logo__mark{width:38px;height:38px;flex:0 0 38px;font-size:15px;}
  .j9-footer__cols{grid-template-columns:1fr;}
  .j9-inline{flex-direction:column;align-items:flex-start;}
  .j9-inline .j9-btn{width:100%;}
}
@media screen and (max-width:400px){
  .j9-container{padding:0 16px;}
  .j9-c2hero h1{font-size:25px;}
  .j9-stat__value{font-size:32px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
}
section[id]{scroll-margin-top:96px;}