/* roulang page: index */
:root{
  --c-primary:#1A5FD0;--c-primary-600:#1549A8;--c-primary-050:#EEF4FF;
  --c-accent:#FF7A2B;--c-accent-600:#E8651A;--c-mint:#0FB37A;
  --c-ink:#1B2430;--c-ink-2:#5A6B85;--c-ink-3:#93A2B8;
  --c-bg:#F6F8FC;--c-surface:#FFFFFF;--c-line:#E6ECF5;
  --c-deep:#0F1B33;
  --r-8:8px;--r-12:12px;--r-16:16px;--r-24:24px;--r-pill:999px;
  --sh-1:0 1px 2px rgba(16,24,40,.04);
  --sh-2:0 8px 24px -12px rgba(26,95,208,.18);
  --sh-3:0 20px 48px -24px rgba(16,24,40,.22);
  --sec-pc:88px;--sec-tb:64px;--sec-mb:48px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--c-bg);color:var(--c-ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.85;
}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color 180ms ease,box-shadow 180ms ease}
a:hover{color:var(--c-primary-600)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
.num,.j9-stat b,.j9-price,time{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}

.j9-container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
.j9-section{padding-top:var(--sec-pc);padding-bottom:var(--sec-pc)}
.j9-section--white{background:var(--c-surface)}
.j9-section--soft{background:var(--c-primary-050)}
.j9-section--gray{background:var(--c-bg)}

/* 顶部信息条 */
.j9-topbar{height:32px;background:var(--c-primary-050);display:flex;align-items:center;font-size:13px;color:var(--c-ink-2)}
.j9-topbar .j9-container{display:flex;align-items:center;justify-content:space-between;gap:16px;height:32px}
.j9-topbar-msg{display:flex;align-items:center;gap:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.j9-topbar-msg svg{flex:none;color:var(--c-mint)}
.j9-topbar-links{display:flex;align-items:center;gap:18px}
.j9-topbar-links a{color:var(--c-ink-2);font-size:13px}
.j9-topbar-links a:hover{color:var(--c-primary)}

/* Header */
.j9-header{position:sticky;top:0;z-index:60;background:var(--c-surface);border-bottom:1px solid var(--c-line)}
.j9-header.is-stuck{background:rgba(255,255,255,.92);backdrop-filter:blur(12px);box-shadow:var(--sh-2)}
.j9-nav{height:72px;display:flex;align-items:center;gap:24px}
.j9-logo{display:flex;align-items:center;gap:10px;flex:none}
.j9-logo-mark{width:38px;height:38px;border-radius:12px;background:var(--c-primary);color:#fff;display:grid;place-items:center;flex:none;box-shadow:var(--sh-2)}
.j9-logo-text{display:flex;flex-direction:column;line-height:1.15}
.j9-logo-text b{font-size:17px;font-weight:700;color:var(--c-ink);letter-spacing:-.01em}
.j9-logo-text span{font-size:11px;color:var(--c-ink-3);letter-spacing:.08em}
.j9-menu{display:flex;align-items:center;gap:6px;margin-left:8px}
.j9-menu a{padding:9px 14px;border-radius:var(--r-pill);font-size:15px;color:var(--c-ink-2);position:relative;white-space:nowrap}
.j9-menu a::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform 180ms ease}
.j9-menu a:hover{color:var(--c-primary)}
.j9-menu a:hover::after{transform:scaleX(1)}
.j9-menu a.is-active{background:var(--c-primary-050);color:var(--c-primary);font-weight:600}
.j9-menu a.is-active::after{display:none}
.j9-nav-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.j9-icon-btn{width:42px;height:42px;border-radius:50%;border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-ink-2);display:grid;place-items:center;cursor:pointer;transition:all 180ms ease}
.j9-icon-btn:hover{color:var(--c-primary);border-color:var(--c-primary);box-shadow:var(--sh-2)}
.j9-burger{display:none}
.j9-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-12);padding:12px 22px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:all 180ms ease;line-height:1}
.j9-btn--primary{background:var(--c-accent);color:#fff;box-shadow:var(--sh-2)}
.j9-btn--primary:hover{background:var(--c-accent-600);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-3)}
.j9-btn--primary:active{transform:translateY(0)}
.j9-btn--ghost{background:var(--c-surface);color:var(--c-primary);border-color:var(--c-primary)}
.j9-btn--ghost:hover{background:var(--c-primary-050);color:var(--c-primary-600);transform:translateY(-1px)}
.j9-btn--soft{background:var(--c-primary-050);color:var(--c-primary);border-color:transparent}
.j9-btn--soft:hover{background:#E2EBFC;color:var(--c-primary-600)}
.j9-btn--sm{padding:9px 16px;font-size:14px}
.j9-btn--block{width:100%}

/* 抽屉 */
.j9-drawer-mask{position:fixed;inset:0;background:rgba(15,27,51,.42);opacity:0;pointer-events:none;transition:opacity 180ms ease;z-index:80}
.j9-drawer-mask.is-open{opacity:1;pointer-events:auto}
.j9-drawer{position:fixed;top:0;right:0;height:100%;width:min(88vw,360px);background:var(--c-surface);z-index:90;transform:translateX(102%);transition:transform 220ms ease;display:flex;flex-direction:column;overflow-y:auto;padding:20px}
.j9-drawer.is-open{transform:translateX(0)}
.j9-drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--c-line)}
.j9-drawer nav{display:flex;flex-direction:column;gap:4px;padding:16px 0}
.j9-drawer nav a{padding:13px 14px;border-radius:var(--r-12);color:var(--c-ink-2);font-size:16px}
.j9-drawer nav a:hover,.j9-drawer nav a.is-active{background:var(--c-primary-050);color:var(--c-primary);font-weight:600}
.j9-drawer-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--c-line);font-size:13px;color:var(--c-ink-3);display:flex;flex-direction:column;gap:8px}

/* Hero */
.j9-hero{background:var(--c-primary-050);position:relative;overflow:hidden;padding:72px 0 64px}
.j9-hero::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(135deg,rgba(26,95,208,.06) 0 1px,transparent 1px 12px);pointer-events:none}
.j9-hero .j9-container{position:relative}
.j9-hero-eyebrow{display:inline-flex;align-items:center;gap:8px;background:var(--c-surface);border:1px solid var(--c-line);color:var(--c-primary);font-size:13px;font-weight:600;padding:7px 14px;border-radius:var(--r-pill);box-shadow:var(--sh-1)}
.j9-hero h1{font-size:clamp(30px,4.2vw,46px);line-height:1.15;font-weight:700;letter-spacing:-.01em;margin:20px 0 16px;max-width:15em}
.j9-hero h1 em{font-style:normal;color:var(--c-primary)}
.j9-hero-sub{font-size:18px;line-height:1.75;color:var(--c-ink-2);max-width:32em}
.j9-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 26px}
.j9-trust{display:flex;flex-wrap:wrap;gap:10px 26px}
.j9-trust li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--c-ink-2)}
.j9-trust svg{color:var(--c-mint);flex:none}
.j9-hero-media{position:relative;border-radius:var(--r-24);overflow:hidden;box-shadow:var(--sh-3);aspect-ratio:16/11;background:var(--c-primary-050)}
.j9-hero-media img{width:100%;height:100%;object-fit:cover}
.j9-hero-tag{position:absolute;right:18px;bottom:18px;background:var(--c-accent);color:#fff;font-size:13px;font-weight:600;padding:8px 14px;border-radius:var(--r-pill);box-shadow:var(--sh-2)}
.j9-hero-note{position:absolute;left:18px;bottom:18px;background:rgba(255,255,255,.94);color:var(--c-ink);font-size:13px;padding:7px 13px;border-radius:var(--r-pill);display:flex;align-items:center;gap:7px}
.j9-hero-note i{width:8px;height:8px;border-radius:50%;background:var(--c-mint);display:block}

/* 保障条 */
.j9-guarantee{margin-top:-36px;position:relative;z-index:5}
.j9-guarantee-inner{background:var(--c-surface);border-radius:var(--r-16);box-shadow:var(--sh-2);padding:26px 24px;display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.j9-guarantee-item{display:flex;gap:12px}
.j9-guarantee-item svg{color:var(--c-mint);flex:none;margin-top:3px}
.j9-guarantee-item h4{font-size:15px;font-weight:600;color:var(--c-ink);margin-bottom:2px}
.j9-guarantee-item p{font-size:13px;line-height:1.65;color:var(--c-ink-2)}

/* 板块标题 */
.j9-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.j9-head h2{font-size:clamp(24px,2.6vw,32px);line-height:1.25;font-weight:700;letter-spacing:-.01em}
.j9-head p{font-size:15px;color:var(--c-ink-2);margin-top:10px;max-width:36em}
.j9-head-link{font-size:14px;font-weight:600;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.j9-head-link:hover{gap:10px}

/* 频道卡片 */
.j9-grid{display:grid;gap:24px}
.j9-grid--4{grid-template-columns:repeat(4,1fr)}
.j9-grid--3{grid-template-columns:repeat(3,1fr)}
.j9-grid--2{grid-template-columns:repeat(2,1fr)}
.j9-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-16);box-shadow:var(--sh-1);overflow:hidden;display:flex;flex-direction:column;height:100%;transition:transform 180ms ease,box-shadow 180ms ease;position:relative}
.j9-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.j9-card-media{position:relative;aspect-ratio:4/3;background:var(--c-primary-050);overflow:hidden}
.j9-card-media img{width:100%;height:100%;object-fit:cover}
.j9-card-badge{position:absolute;left:12px;top:12px;background:var(--c-primary-050);color:var(--c-primary);font-size:12px;font-weight:600;padding:5px 11px;border-radius:var(--r-pill)}
.j9-card-hot{position:absolute;right:12px;top:12px;background:var(--c-accent);color:#fff;font-size:12px;font-weight:600;padding:5px 11px;border-radius:var(--r-pill)}
.j9-card-body{padding:18px 18px 20px;display:flex;flex-direction:column;flex:1}
.j9-card-body h3{font-size:19px;line-height:1.4;font-weight:600;margin-bottom:10px}
.j9-card-body h3 a{color:var(--c-ink)}
.j9-card-body h3 a:hover{color:var(--c-primary)}
.j9-ticks{display:flex;flex-direction:column;gap:7px;margin-bottom:16px}
.j9-ticks li{display:flex;gap:8px;font-size:14px;line-height:1.6;color:var(--c-ink-2)}
.j9-ticks svg{color:var(--c-mint);flex:none;margin-top:4px}
.j9-card-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--c-line);display:flex;align-items:center;justify-content:space-between;gap:12px}
.j9-card-foot .j9-price{font-size:16px;font-weight:700;color:var(--c-ink)}
.j9-card-foot .j9-price small{display:block;font-size:12px;font-weight:400;color:var(--c-ink-3)}
.j9-round-btn{width:40px;height:40px;border-radius:12px;background:var(--c-primary-050);color:var(--c-primary);display:grid;place-items:center;border:none;cursor:pointer;transition:all 180ms ease}
.j9-round-btn:hover{background:var(--c-primary);color:#fff}

/* 资讯 */
.j9-news{display:grid;grid-template-columns:1.35fr 1fr;gap:28px}
.j9-news-lead{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-16);overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;transition:transform 180ms ease,box-shadow 180ms ease}
.j9-news-lead:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.j9-news-lead .j9-card-media{aspect-ratio:16/9}
.j9-news-list{display:flex;flex-direction:column;gap:14px}
.j9-news-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-16);box-shadow:var(--sh-1);padding:16px 18px;display:flex;align-items:flex-start;gap:14px;transition:transform 180ms ease,box-shadow 180ms ease;position:relative}
.j9-news-item:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.j9-news-item-body{flex:1;min-width:0}
.j9-news-item h3{font-size:16px;line-height:1.5;font-weight:600;margin:8px 0 6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.j9-news-item h3 a{color:var(--c-ink)}
.j9-news-item h3 a:hover{color:var(--c-primary)}
.j9-news-item p{font-size:14px;line-height:1.7;color:var(--c-ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.j9-meta{font-size:13px;color:var(--c-ink-3);display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.j9-badge{display:inline-flex;align-items:center;background:var(--c-primary-050);color:var(--c-primary);font-size:12px;font-weight:600;padding:4px 10px;border-radius:var(--r-pill)}
.j9-arrow{color:var(--c-ink-3);flex:none;margin-top:6px;transition:transform 180ms ease,color 180ms ease}
.j9-news-item:hover .j9-arrow{color:var(--c-primary);transform:translateX(3px)}
.j9-empty{background:var(--c-surface);border:1px dashed var(--c-line);border-radius:var(--r-16);padding:56px 24px;text-align:center}
.j9-empty svg{color:var(--c-ink-3);margin:0 auto 16px}
.j9-empty p{font-size:14px;color:var(--c-ink-2);margin-bottom:18px}

/* 评价 */
.j9-carousel{position:relative;padding:0 62px}
.j9-quote{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-16);box-shadow:var(--sh-1);padding:24px;height:100%;display:flex;flex-direction:column;gap:14px}
.j9-quote-head{display:flex;align-items:center;gap:12px}
.j9-avatar{width:44px;height:44px;border-radius:50%;background:var(--c-primary-050);color:var(--c-primary);display:grid;place-items:center;font-weight:700;flex:none}
.j9-quote-head b{font-size:15px;display:block}
.j9-quote-head span{font-size:12px;color:var(--c-ink-3)}
.j9-stars{display:flex;gap:3px;color:var(--c-accent)}
.j9-quote p{font-size:14px;line-height:1.75;color:var(--c-ink-2)}
.j9-quote time{font-size:13px;color:var(--c-ink-3);margin-top:auto}
.j9-carousel .carousel-control-prev,.j9-carousel .carousel-control-next{width:46px;height:46px;top:50%;transform:translateY(-50%);border-radius:50%;background:var(--c-surface);border:1px solid var(--c-line);box-shadow:var(--sh-2);opacity:1}
.j9-carousel .carousel-control-prev{left:0}
.j9-carousel .carousel-control-next{right:0}
.j9-carousel .carousel-control-prev:hover,.j9-carousel .carousel-control-next:hover{background:var(--c-primary-050)}
.j9-carousel .carousel-control-prev-icon,.j9-carousel .carousel-control-next-icon{width:16px;height:16px}
.j9-carousel .carousel-indicators{position:static;margin:26px 0 0;gap:8px}
.j9-carousel .carousel-indicators [data-bs-target]{width:24px;height:6px;border-radius:var(--r-pill);background:#C9D6EA;border:none;opacity:1;margin:0}
.j9-carousel .carousel-indicators .active{background:var(--c-primary)}

/* 数据条 */
.j9-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.j9-stat{padding:34px 24px;border-right:1px solid var(--c-line)}
.j9-stat:last-child{border-right:none}
.j9-stat b{display:block;font-size:clamp(26px,3vw,34px);font-weight:700;color:var(--c-primary);line-height:1.2;letter-spacing:-.01em}
.j9-stat span{font-size:13px;color:var(--c-ink-2);display:block;margin-top:8px}

/* FAQ */
.j9-faq .accordion-item{background:transparent;border:none;border-bottom:1px solid var(--c-line)}
.j9-faq .accordion-button{background:transparent;box-shadow:none;padding:20px 0;font-size:17px;font-weight:600;color:var(--c-ink);gap:14px;display:flex;align-items:center}
.j9-faq .accordion-button::after{display:none}
.j9-faq .accordion-button .j9-plus{width:28px;height:28px;border-radius:50%;background:var(--c-primary-050);color:var(--c-primary);display:grid;place-items:center;flex:none;transition:transform 180ms ease;font-size:16px;line-height:1;font-weight:400}
.j9-faq .accordion-button:not(.collapsed){color:var(--c-primary)}
.j9-faq .accordion-button:not(.collapsed) .j9-plus{transform:rotate(45deg)}
.j9-faq .accordion-button:focus{box-shadow:none}
.j9-faq .accordion-body{padding:0 0 22px 42px;font-size:15px;line-height:1.8;color:var(--c-ink-2)}

/* CTA */
.j9-cta{background:var(--c-primary-050);border-radius:var(--r-24);padding:48px;display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.j9-cta h2{font-size:clamp(24px,2.6vw,30px);font-weight:700;line-height:1.3;margin-bottom:14px}
.j9-cta p{font-size:15px;color:var(--c-ink-2);margin-bottom:24px;max-width:30em}
.j9-cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.j9-form{background:var(--c-surface);border-radius:var(--r-16);padding:26px;box-shadow:var(--sh-2)}
.j9-field{margin-bottom:14px}
.j9-field label{display:block;font-size:13px;color:var(--c-ink-2);margin-bottom:6px}
.j9-field input,.j9-field select{width:100%;height:48px;border-radius:var(--r-12);border:1px solid var(--c-line);padding:0 14px;background:var(--c-surface);font-size:15px;transition:border-color 180ms ease,box-shadow 180ms ease}
.j9-field input:focus,.j9-field select:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(26,95,208,.12)}
.j9-form-note{font-size:12px;color:var(--c-ink-3);margin-top:12px;line-height:1.6}

/* Footer */
.j9-footer{background:var(--c-deep);color:#C8D3E4;margin-top:0;padding:64px 0 0}
.j9-footer h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:18px}
.j9-footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px}
.j9-footer p{font-size:13px;line-height:1.8;color:#9FB0C8}
.j9-footer a{color:#C8D3E4;font-size:14px}
.j9-footer a:hover{color:#fff}
.j9-footer-list{display:flex;flex-direction:column;gap:11px}
.j9-footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.j9-footer-logo .j9-logo-mark{background:var(--c-primary)}
.j9-footer-logo b{color:#fff;font-size:16px;font-weight:700}
.j9-footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0 26px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12px;color:#8C9DB6}
.j9-footer-contact li{display:flex;gap:10px;font-size:14px;color:#C8D3E4;margin-bottom:12px}
.j9-footer-contact svg{flex:none;margin-top:3px;color:#7E93B4}

@media (max-width:1199.98px){
  .j9-container{max-width:960px}
  .j9-grid--4{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:991.98px){
  .j9-menu{display:none}
  .j9-burger{display:grid}
  .j9-nav{height:64px}
  .j9-section{padding-top:var(--sec-tb);padding-bottom:var(--sec-tb)}
  .j9-guarantee-inner{grid-template-columns:repeat(2,1fr)}
  .j9-grid--4{grid-template-columns:repeat(2,1fr)}
  .j9-grid--3{grid-template-columns:repeat(2,1fr)}
  .j9-news{grid-template-columns:1fr}
  .j9-cta{grid-template-columns:1fr;padding:36px}
  .j9-stats{grid-template-columns:repeat(2,1fr)}
  .j9-stat:nth-child(2){border-right:none}
  .j9-stat{border-bottom:1px solid var(--c-line)}
  .j9-stat:nth-child(3),.j9-stat:nth-child(4){border-bottom:none}
  .j9-footer-grid{grid-template-columns:repeat(2,1fr)}
  .j9-hero{padding:56px 0 56px}
}
@media (max-width:767.98px){
  .j9-container{padding-left:16px;padding-right:16px}
  .j9-section{padding-top:var(--sec-mb);padding-bottom:var(--sec-mb)}
  .j9-topbar-links{display:none}
  .j9-topbar{font-size:12px}
  .j9-hero{padding:44px 0 48px}
  .j9-hero-sub{font-size:16px}
  .j9-hero-media{aspect-ratio:16/11;min-height:220px}
  .j9-grid--4,.j9-grid--3,.j9-grid--2{grid-template-columns:1fr}
  .j9-head{flex-direction:column;align-items:flex-start;gap:14px}
  .j9-carousel{padding:0}
  .j9-carousel .carousel-control-prev,.j9-carousel .carousel-control-next{display:none}
  .j9-cta{padding:28px 20px;border-radius:var(--r-16)}
  .j9-btn{width:100%}
  .j9-cta-actions{flex-direction:column}
  .j9-footer-grid{grid-template-columns:1fr;gap:28px}
  .j9-guarantee-inner{padding:20px 16px;gap:18px}
  .j9-stats{grid-template-columns:1fr}
  .j9-stat{border-right:none;border-bottom:1px solid var(--c-line)}
  .j9-stat:last-child{border-bottom:none}
  .j9-faq .accordion-body{padding-left:0}
}
@media (max-width:575.98px){
  .j9-logo-text b{font-size:15px}
  .j9-hero h1{font-size:28px}
  .j9-card-body{padding:16px}
}

/* roulang page: category1 */
:root{
  --c-primary:#1A5FD0;
  --c-primary-600:#1549A8;
  --c-primary-050:#EEF4FF;
  --c-accent:#FF7A2B;
  --c-accent-600:#E8651A;
  --c-mint:#0FB37A;
  --c-ink:#1B2430;
  --c-ink-2:#5A6B85;
  --c-ink-3:#93A2B8;
  --c-bg:#F6F8FC;
  --c-surface:#FFFFFF;
  --c-line:#E6ECF5;
  --r-8:8px;--r-12:12px;--r-16:16px;--r-24:24px;--r-pill:999px;
  --sh-1:0 1px 2px rgba(16,24,40,.04);
  --sh-2:0 8px 24px -12px rgba(26,95,208,.18);
  --sh-3:0 20px 48px -24px rgba(16,24,40,.22);
  --sp-1:8px;--sp-2:16px;--sp-3:24px;--sp-4:32px;--sp-5:48px;--sp-6:64px;--sp-7:88px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --t:180ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font);font-size:16px;line-height:1.85;color:var(--c-ink);
  background:var(--c-bg);overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--c-primary-600)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;color:var(--c-ink)}
h1{font-size:clamp(30px,4.2vw,46px);line-height:1.15}
h2{font-size:clamp(24px,2.6vw,32px);line-height:1.25}
h3{font-size:20px;line-height:1.4;font-weight:600}
h4{font-size:17px;line-height:1.5;font-weight:600}
p{margin:0 0 14px;max-width:40em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px}
.j9-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.j9-num{font-variant-numeric:tabular-nums}

/* 顶部信息条 */
.j9-topbar{background:var(--c-primary-050);border-bottom:1px solid var(--c-line);font-size:13px;color:var(--c-ink-2)}
.j9-topbar-in{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:32px;padding:0 24px;max-width:1200px;margin:0 auto}
.j9-topbar-in strong{color:var(--c-primary);font-weight:600}
.j9-topbar-links{display:flex;align-items:center;gap:18px}
.j9-topbar-links a{color:var(--c-ink-2)}
.j9-topbar-links a:hover{color:var(--c-primary)}

/* Header */
.j9-header{position:sticky;top:0;z-index:1030;background:var(--c-surface);border-bottom:1px solid transparent;transition:box-shadow var(--t),border-color var(--t),background var(--t)}
.j9-header.is-stuck{box-shadow:var(--sh-2);border-bottom-color:var(--c-line);background:rgba(255,255,255,.92);backdrop-filter:blur(12px)}
.j9-nav{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}
.j9-logo{display:inline-flex;align-items:center;gap:10px;color:var(--c-ink)}
.j9-logo:hover{color:var(--c-ink)}
.j9-logo-mark{width:38px;height:38px;flex:0 0 38px;border-radius:12px;background:var(--c-primary);color:#fff;display:inline-flex;align-items:center;justify-content:center;box-shadow:var(--sh-2)}
.j9-logo-text{display:flex;flex-direction:column;line-height:1.2}
.j9-logo-text b{font-size:17px;font-weight:700;letter-spacing:-.01em}
.j9-logo-text span{font-size:10px;letter-spacing:.14em;color:var(--c-ink-3);font-weight:600}
.j9-menu{display:flex;align-items:center;gap:4px;flex-wrap:nowrap}
.j9-menu a{position:relative;display:inline-block;padding:10px 14px;border-radius:var(--r-pill);font-size:15px;color:var(--c-ink-2);white-space:nowrap;transition:color var(--t),background var(--t)}
.j9-menu a::after{content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;background:var(--c-primary);border-radius:2px;transform:scaleX(0);transform-origin:left;transition:transform var(--t)}
.j9-menu a:hover{color:var(--c-primary);background:var(--c-primary-050)}
.j9-menu a:hover::after{transform:scaleX(1)}
.j9-menu a.is-active{color:var(--c-primary);background:var(--c-primary-050);font-weight:600}
.j9-menu a.is-active::after{transform:scaleX(1)}
.j9-nav-right{display:flex;align-items:center;gap:10px}
.j9-icon-btn{width:42px;height:42px;border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-ink-2);border-radius:var(--r-12);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:all var(--t)}
.j9-icon-btn:hover{color:var(--c-primary);border-color:var(--c-primary);box-shadow:var(--sh-2);transform:translateY(-1px)}
.j9-burger{display:none}
.j9-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:var(--r-12);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:all var(--t)}
.j9-btn--primary{background:var(--c-accent);color:#fff;box-shadow:var(--sh-2)}
.j9-btn--primary:hover{background:var(--c-accent-600);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-3)}
.j9-btn--primary:active{transform:translateY(0)}
.j9-btn--ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary)}
.j9-btn--ghost:hover{background:var(--c-primary-050);color:var(--c-primary-600);border-color:var(--c-primary-600);transform:translateY(-1px)}
.j9-btn--sm{height:40px;padding:0 18px;font-size:14px}
.j9-btn--block{width:100%}

/* 抽屉 */
.j9-drawer{position:fixed;inset:0 0 0 auto;width:min(88vw,360px);background:var(--c-surface);z-index:1050;transform:translateX(100%);transition:transform var(--t);display:flex;flex-direction:column;padding:20px;overflow-y:auto;box-shadow:var(--sh-3)}
.j9-drawer.is-open{transform:translateX(0)}
.j9-mask{position:fixed;inset:0;background:rgba(16,24,40,.42);z-index:1040;opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t)}
.j9-mask.is-open{opacity:1;visibility:visible}
.j9-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.j9-drawer nav{display:flex;flex-direction:column;gap:6px;margin-bottom:20px}
.j9-drawer nav a{padding:13px 14px;border-radius:var(--r-12);color:var(--c-ink-2);font-size:16px;border:1px solid var(--c-line)}
.j9-drawer nav a.is-active{color:var(--c-primary);background:var(--c-primary-050);font-weight:600;border-color:var(--c-primary-050)}
.j9-drawer-foot{margin-top:auto;border-top:1px solid var(--c-line);padding-top:16px;font-size:13px;color:var(--c-ink-3)}
.j9-drawer-foot a{display:block;color:var(--c-ink-2);padding:6px 0}

/* 面包屑 */
.j9-crumb{font-size:13px;color:var(--c-ink-3);padding:16px 0 0}
.j9-crumb a{color:var(--c-ink-3)}
.j9-crumb a:hover{color:var(--c-primary)}
.j9-crumb span{color:var(--c-ink-2)}
.j9-crumb i{font-style:normal;padding:0 6px}

/* Banner */
.j9-banner{position:relative;margin-top:18px;border-radius:var(--r-24);overflow:hidden;background:var(--c-primary-050);border:1px solid var(--c-line)}
.j9-banner-bg{position:absolute;inset:0;background-image:url("/assets/images/backpic/back-2.png");background-size:cover;background-position:center;opacity:.16}
.j9-banner-dots{position:absolute;inset:0;background-image:radial-gradient(rgba(26,95,208,.35) 1px,transparent 1px);background-size:16px 16px;opacity:.14}
.j9-banner-in{position:relative;padding:clamp(32px,5vw,60px) clamp(22px,4vw,48px)}
.j9-banner h1{margin-bottom:14px;max-width:22em}
.j9-banner p{font-size:17px;color:var(--c-ink-2);max-width:38em}
.j9-badge{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:var(--r-pill);background:var(--c-surface);color:var(--c-primary);font-size:13px;font-weight:600;border:1px solid var(--c-line);margin-bottom:16px}
.j9-pills{position:relative;display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.j9-pills a{display:inline-flex;align-items:center;height:38px;padding:0 16px;border-radius:var(--r-pill);background:var(--c-surface);border:1px solid var(--c-line);color:var(--c-ink-2);font-size:14px;transition:all var(--t)}
.j9-pills a:hover{color:var(--c-primary);border-color:var(--c-primary);box-shadow:var(--sh-2);transform:translateY(-1px)}

/* 区块 */
.j9-section{padding:var(--sp-7) 0}
.j9-section--white{background:var(--c-surface)}
.j9-section--tint{background:var(--c-primary-050)}
.j9-section-head{max-width:44em;margin-bottom:40px}
.j9-section-head h2{margin-bottom:12px}
.j9-section-head p{color:var(--c-ink-2);font-size:16px}

/* 交错图文 */
.j9-alt{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(24px,4vw,56px);align-items:center;padding:36px 0;border-bottom:1px solid var(--c-line)}
.j9-alt:last-child{border-bottom:0;padding-bottom:8px}
.j9-alt.is-rev .j9-alt-media{order:2}
.j9-alt-media{position:relative;aspect-ratio:5/3;border-radius:var(--r-16);overflow:hidden;background:var(--c-primary-050);box-shadow:var(--sh-2)}
.j9-alt-media::before{content:attr(data-fallback);position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:44px;font-weight:700;color:var(--c-primary);opacity:.42}
.j9-alt-media img{position:relative;z-index:1;width:100%;height:100%;object-fit:cover}
.j9-alt-body h3{margin-bottom:12px}
.j9-alt-body .j9-tag{display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:var(--r-pill);background:var(--c-primary-050);color:var(--c-primary);font-size:12px;font-weight:600;margin-bottom:12px}
.j9-alt-body p{color:var(--c-ink-2);font-size:15px}
.j9-checks{margin-top:16px;display:grid;gap:10px}
.j9-checks li{display:flex;gap:10px;font-size:14px;color:var(--c-ink-2);line-height:1.7}
.j9-checks svg{flex:0 0 20px;margin-top:4px;color:var(--c-mint)}

/* 保障条 */
.j9-guard{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;background:var(--c-surface);border-radius:var(--r-16);box-shadow:var(--sh-2);padding:28px}
.j9-guard-item{display:flex;gap:12px}
.j9-guard-item svg{flex:0 0 22px;color:var(--c-mint);margin-top:3px}
.j9-guard-item h4{font-size:15px;margin-bottom:4px}
.j9-guard-item p{font-size:13px;color:var(--c-ink-2);line-height:1.6;margin:0}

/* 数据条 */
.j9-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);padding:32px 0}
.j9-stats div{text-align:center;border-right:1px solid var(--c-line)}
.j9-stats div:last-child{border-right:0}
.j9-stats b{display:block;font-size:clamp(26px,3vw,36px);color:var(--c-primary);font-weight:700;font-variant-numeric:tabular-nums;line-height:1.2}
.j9-stats span{font-size:13px;color:var(--c-ink-3)}

/* CTA 条 */
.j9-cta{background:var(--c-primary-050);border-radius:var(--r-24);padding:clamp(28px,4vw,48px);display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.j9-cta h2{font-size:clamp(22px,2.4vw,28px);margin-bottom:8px}
.j9-cta p{color:var(--c-ink-2);font-size:15px;max-width:34em}
.j9-cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* Footer */
.j9-footer{background:#0F1B33;color:#C8D3E4;margin-top:var(--sp-7);padding:64px 0 28px;font-size:14px}
.j9-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.j9-footer h4{color:#fff;font-size:14px;font-weight:600;margin-bottom:16px}
.j9-footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.j9-footer-logo b{color:#fff;font-size:17px}
.j9-footer-logo .j9-logo-mark{background:var(--c-primary)}
.j9-footer p{color:#93A2B8;font-size:13px;line-height:1.8;max-width:30em}
.j9-footer-list{display:flex;flex-direction:column;gap:10px}
.j9-footer-list a,.j9-footer-contact a{color:#C8D3E4}
.j9-footer-list a:hover,.j9-footer-contact a:hover{color:#fff}
.j9-footer-contact{display:flex;flex-direction:column;gap:12px}
.j9-footer-contact li{display:flex;gap:10px;font-size:13px;color:#93A2B8;line-height:1.6}
.j9-footer-contact svg{flex:0 0 18px;margin-top:3px}
.j9-footer-bottom{margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12px;color:#8A99B3}

@media (max-width:1200px){
  .j9-container{padding:0 20px}
}
@media (max-width:992px){
  .j9-menu{display:none}
  .j9-burger{display:inline-flex}
  .j9-nav{min-height:64px}
  .j9-section{padding:64px 0}
  .j9-guard{grid-template-columns:repeat(2,minmax(0,1fr))}
  .j9-footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .j9-section{padding:48px 0}
  .j9-alt{grid-template-columns:1fr;gap:20px}
  .j9-alt.is-rev .j9-alt-media{order:0}
  .j9-stats{grid-template-columns:1fr;gap:20px}
  .j9-stats div{border-right:0;border-bottom:1px solid var(--c-line);padding-bottom:16px}
  .j9-stats div:last-child{border-bottom:0;padding-bottom:0}
  .j9-cta{flex-direction:column;align-items:flex-start}
  .j9-cta-actions{width:100%}
  .j9-cta-actions .j9-btn{width:100%}
  .j9-topbar-links{display:none}
  .j9-banner-in{padding:28px 20px}
}
@media (max-width:576px){
  .j9-container{padding:0 16px}
  .j9-guard{grid-template-columns:1fr}
  .j9-footer-grid{grid-template-columns:1fr}
  .j9-logo-text b{font-size:15px}
  .j9-nav{min-height:60px}
  h1{font-size:28px}
  .j9-section-head{margin-bottom:28px}
}

/* roulang page: article */
:root{
  --c-primary:#1A5FD0;
  --c-primary-600:#1549A8;
  --c-primary-050:#EEF4FF;
  --c-accent:#FF7A2B;
  --c-accent-600:#E8651A;
  --c-mint:#0FB37A;
  --c-ink:#1B2430;
  --c-ink-2:#5A6B85;
  --c-ink-3:#93A2B8;
  --c-bg:#F6F8FC;
  --c-surface:#FFFFFF;
  --c-line:#E6ECF5;
  --c-dark:#0F1B33;
  --r-8:8px; --r-12:12px; --r-16:16px; --r-24:24px; --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,24,40,.04);
  --sh-2:0 8px 24px -12px rgba(26,95,208,.18);
  --sh-3:0 20px 48px -24px rgba(16,24,40,.22);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;font-family:var(--font);font-size:16px;line-height:1.85;color:var(--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 .18s ease,background-color .18s ease,border-color .18s ease;}
a:hover{color:var(--c-primary-600);}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;}
p{margin:0 0 16px;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;border:none;background:none;cursor:pointer;color:inherit;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--c-ink);}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
.j9-container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 按钮 ---------- */
.j9-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:var(--r-12);font-size:15px;font-weight:600;line-height:1.2;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease;
  border:1px solid transparent;white-space:nowrap;
}
.j9-btn--primary{background:var(--c-accent);color:#fff;box-shadow:0 6px 18px -10px rgba(255,122,43,.85);}
.j9-btn--primary:hover{background:var(--c-accent-600);color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px -12px rgba(255,122,43,.9);}
.j9-btn--primary:active{transform:translateY(0);}
.j9-btn--ghost{background:#fff;color:var(--c-primary);border-color:var(--c-primary);}
.j9-btn--ghost:hover{background:var(--c-primary-050);color:var(--c-primary-600);border-color:var(--c-primary-600);transform:translateY(-1px);}
.j9-btn--light{background:#fff;color:var(--c-primary);box-shadow:var(--sh-1);border-color:var(--c-line);}
.j9-btn--light:hover{color:var(--c-primary-600);box-shadow:var(--sh-2);transform:translateY(-1px);}
.j9-btn--text{padding:8px 2px;color:var(--c-primary);font-weight:600;}
.j9-btn--text:hover{color:var(--c-primary-600);}

/* ---------- 顶部信息条 ---------- */
.j9-topbar{background:var(--c-primary-050);color:var(--c-ink-2);font-size:13px;line-height:32px;height:32px;overflow:hidden;}
.j9-topbar .j9-container{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.j9-topbar-left{display:flex;align-items:center;gap:8px;white-space:nowrap;}
.j9-topbar-left svg{color:var(--c-mint);flex:none;}
.j9-topbar-right{display:flex;align-items:center;gap:18px;}
.j9-topbar-right a{color:var(--c-ink-2);font-size:13px;}
.j9-topbar-right a:hover{color:var(--c-primary);}

/* ---------- Header ---------- */
.j9-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid transparent;transition:box-shadow .18s ease,border-color .18s ease,background-color .18s ease;}
.j9-header.is-scrolled{box-shadow:var(--sh-2);border-bottom-color:var(--c-line);background:rgba(255,255,255,.92);backdrop-filter:blur(12px);}
.j9-nav{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;}
.j9-logo{display:inline-flex;align-items:center;gap:10px;color:var(--c-ink);}
.j9-logo-mark{width:38px;height:38px;border-radius:var(--r-12);background:var(--c-primary);color:#fff;display:inline-flex;align-items:center;justify-content:center;flex:none;box-shadow:var(--sh-2);}
.j9-logo-text{display:flex;flex-direction:column;line-height:1.15;}
.j9-logo-text b{font-size:18px;font-weight:700;letter-spacing:-.01em;color:var(--c-ink);}
.j9-logo-text span{font-size:10px;letter-spacing:.18em;color:var(--c-ink-3);}
.j9-menu{display:flex;align-items:center;gap:4px;}
.j9-menu a{position:relative;display:inline-block;padding:9px 14px;border-radius:var(--r-pill);font-size:15px;font-weight:500;color:var(--c-ink-2);transition:color .18s ease,background-color .18s ease;}
.j9-menu a::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform .18s ease;border-radius:2px;}
.j9-menu a:hover{color:var(--c-primary);}
.j9-menu a:hover::after{transform:scaleX(1);}
.j9-menu a.is-active{background:var(--c-primary-050);color:var(--c-primary);font-weight:600;}
.j9-menu a.is-active::after{transform:scaleX(0);}
.j9-nav-right{display:flex;align-items:center;gap:12px;}
.j9-icon-btn{width:40px;height:40px;border-radius:var(--r-12);display:inline-flex;align-items:center;justify-content:center;color:var(--c-ink-2);border:1px solid var(--c-line);background:#fff;transition:color .18s ease,border-color .18s ease,box-shadow .18s ease,transform .18s ease;}
.j9-icon-btn:hover{color:var(--c-primary);border-color:var(--c-primary);box-shadow:var(--sh-2);transform:translateY(-1px);}
.j9-burger{display:none;}

/* ---------- 移动抽屉 ---------- */
.j9-drawer-mask{position:fixed;inset:0;background:rgba(15,27,51,.42);opacity:0;visibility:hidden;transition:opacity .18s ease,visibility .18s ease;z-index:70;}
.j9-drawer-mask.is-open{opacity:1;visibility:visible;}
.j9-drawer{position:fixed;top:0;right:0;height:100%;width:min(88vw,360px);background:#fff;z-index:80;transform:translateX(102%);transition:transform .24s ease;display:flex;flex-direction:column;padding:20px;overflow-y:auto;box-shadow:var(--sh-3);}
.j9-drawer.is-open{transform:translateX(0);}
.j9-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.j9-drawer nav{display:flex;flex-direction:column;gap:6px;margin-bottom:20px;}
.j9-drawer nav a{padding:12px 14px;border-radius:var(--r-12);font-size:16px;color:var(--c-ink-2);font-weight:500;}
.j9-drawer nav a:hover{background:var(--c-primary-050);color:var(--c-primary);}
.j9-drawer nav a.is-active{background:var(--c-primary-050);color:var(--c-primary);font-weight:600;}
.j9-drawer-note{border-top:1px solid var(--c-line);padding-top:16px;font-size:13px;color:var(--c-ink-3);line-height:1.9;}

/* ---------- 面包屑 ---------- */
.j9-crumb{padding:20px 0 0;font-size:13px;color:var(--c-ink-3);display:flex;flex-wrap:wrap;align-items:center;gap:6px;}
.j9-crumb a{color:var(--c-ink-3);}
.j9-crumb a:hover{color:var(--c-primary);}
.j9-crumb span.sep{color:#C6D0E0;}
.j9-crumb .current{color:var(--c-ink-2);max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 文章头 ---------- */
.j9-article-head{
  margin-top:16px;border-radius:var(--r-24);padding:40px;color:var(--c-ink);
  background:var(--c-primary-050);
  background-image:radial-gradient(rgba(26,95,208,.10) 1px,transparent 1px);
  background-size:16px 16px;
  border:1px solid var(--c-line);
}
.j9-badge{display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:var(--r-pill);background:#fff;color:var(--c-primary);font-size:13px;font-weight:600;border:1px solid rgba(26,95,208,.18);}
.j9-badge--accent{background:var(--c-accent);color:#fff;border-color:transparent;}
.j9-article-head h1{font-size:clamp(28px,3.6vw,42px);line-height:1.2;letter-spacing:-.01em;margin:16px 0 18px;max-width:24em;}
.j9-article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:22px;font-size:13px;color:var(--c-ink-3);padding-top:18px;border-top:1px solid rgba(26,95,208,.14);}
.j9-article-meta .item{display:inline-flex;align-items:center;gap:7px;}
.j9-article-meta .item svg{color:var(--c-primary);}
.j9-share{margin-left:auto;display:flex;align-items:center;gap:10px;}
.j9-share button{width:36px;height:36px;border-radius:var(--r-8);background:#fff;border:1px solid var(--c-line);color:var(--c-ink-2);display:inline-flex;align-items:center;justify-content:center;transition:all .18s ease;}
.j9-share button:hover{color:var(--c-primary);border-color:var(--c-primary);box-shadow:var(--sh-2);transform:translateY(-1px);}

/* ---------- 正文 ---------- */
.j9-article-wrap{padding:40px 0 8px;}
.j9-article-body{max-width:760px;margin:0 auto;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-16);padding:44px 48px;box-shadow:var(--sh-1);font-size:17px;line-height:1.9;color:#27313F;overflow-wrap:break-word;}
.j9-article-body p{margin:0 0 1.4em;}
.j9-article-body h2{font-size:clamp(21px,2.3vw,26px);line-height:1.35;margin:2em 0 .8em;position:relative;padding-left:16px;}
.j9-article-body h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--c-primary);}
.j9-article-body h3{font-size:19px;font-weight:600;margin:1.7em 0 .6em;}
.j9-article-body h4{font-size:17px;font-weight:600;margin:1.4em 0 .5em;color:var(--c-ink-2);}
.j9-article-body ul,.j9-article-body ol{margin:0 0 1.4em;padding-left:0;}
.j9-article-body ul li{position:relative;padding-left:22px;margin-bottom:.55em;}
.j9-article-body ul li::before{content:"";position:absolute;left:4px;top:12px;width:7px;height:7px;border-radius:50%;background:var(--c-primary);}
.j9-article-body ol{counter-reset:j9list;}
.j9-article-body ol li{position:relative;padding-left:30px;margin-bottom:.6em;counter-increment:j9list;}
.j9-article-body ol li::before{content:counter(j9list);position:absolute;left:0;top:3px;width:21px;height:21px;border-radius:50%;background:var(--c-primary-050);color:var(--c-primary);font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums;}
.j9-article-body blockquote{margin:1.6em 0;padding:18px 22px;background:var(--c-primary-050);border-left:3px solid var(--c-primary);border-radius:0 var(--r-12) var(--r-12) 0;color:var(--c-ink-2);}
.j9-article-body blockquote p:last-child{margin:0;}
.j9-article-body img{border-radius:var(--r-12);margin:1.6em auto;box-shadow:var(--sh-1);}
.j9-article-body figure{margin:1.6em 0;}
.j9-article-body figcaption{font-size:13px;color:var(--c-ink-3);text-align:center;margin-top:10px;}
.j9-article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:1.4em 0;}
.j9-article-body table th,.j9-article-body table td{padding:12px 14px;border-bottom:1px solid var(--c-line);text-align:left;}
.j9-article-body table th{background:var(--c-bg);font-weight:600;color:var(--c-ink);}
.j9-article-body a{font-weight:600;border-bottom:2px solid rgba(26,95,208,.22);}
.j9-article-body a:hover{border-bottom-color:var(--c-primary);}
.j9-article-body hr{border:none;border-top:1px solid var(--c-line);margin:2em 0;}
.j9-table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:1.4em 0;}

/* ---------- 文末 ---------- */
.j9-article-foot{max-width:760px;margin:0 auto;padding:28px 0 0;}
.j9-tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:20px 0;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.j9-tags .label{font-size:13px;color:var(--c-ink-3);}
.j9-tag{display:inline-flex;align-items:center;padding:5px 13px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--c-line);color:var(--c-ink-2);font-size:13px;transition:all .18s ease;}
.j9-tag:hover{color:var(--c-primary);border-color:var(--c-primary);background:var(--c-primary-050);}
.j9-pager{display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;padding:22px 0;}
.j9-pager a{flex:1 1 240px;display:flex;flex-direction:column;gap:4px;padding:16px 18px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-12);font-size:14px;color:var(--c-ink-2);box-shadow:var(--sh-1);transition:all .18s ease;}
.j9-pager a:hover{border-color:var(--c-primary);box-shadow:var(--sh-2);transform:translateY(-2px);color:var(--c-primary);}
.j9-pager a b{font-size:15px;color:var(--c-ink);font-weight:600;}
.j9-pager a:hover b{color:var(--c-primary);}

/* ---------- 相关推荐 ---------- */
.j9-section{padding:72px 0;}
.j9-sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap;}
.j9-sec-head h2{font-size:clamp(22px,2.4vw,30px);line-height:1.3;}
.j9-sec-head p{margin:8px 0 0;font-size:14px;color:var(--c-ink-2);max-width:46em;}
.j9-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.j9-card{display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-16);overflow:hidden;box-shadow:var(--sh-1);transition:box-shadow .18s ease,transform .18s ease,border-color .18s ease;height:100%;}
.j9-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:#D9E4F7;}
.j9-card-cover{position:relative;aspect-ratio:16/10;background:var(--c-primary-050);overflow:hidden;}
.j9-card-cover img{width:100%;height:100%;object-fit:cover;}
.j9-card-cover .ph{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:28px;font-weight:700;color:var(--c-primary);}
.j9-card-cover .j9-badge{position:absolute;left:12px;top:12px;}
.j9-card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.j9-card-body h3{font-size:17px;line-height:1.5;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.j9-card-body p{font-size:14px;line-height:1.7;color:var(--c-ink-2);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.j9-card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-ink-3);padding-top:6px;}
.j9-card-foot svg{color:var(--c-primary);transition:transform .18s ease;}
.j9-card:hover .j9-card-foot svg{transform:translateX(3px);}
.j9-card>a.stretch{position:absolute;inset:0;}

/* ---------- 空态 ---------- */
.j9-empty{max-width:760px;margin:40px auto;background:#fff;border:1px dashed #CFDCF3;border-radius:var(--r-16);padding:56px 24px;text-align:center;}
.j9-empty svg{color:#B9C9E6;margin:0 auto 18px;}
.j9-empty h2{font-size:22px;margin-bottom:10px;}
.j9-empty p{font-size:14px;color:var(--c-ink-2);margin-bottom:20px;}

/* ---------- CTA ---------- */
.j9-cta{background:var(--c-primary-050);border-radius:var(--r-24);padding:44px;display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center;border:1px solid rgba(26,95,208,.12);}
.j9-cta h2{font-size:clamp(22px,2.4vw,30px);line-height:1.3;margin-bottom:12px;}
.j9-cta p{font-size:15px;color:var(--c-ink-2);margin-bottom:22px;max-width:32em;}
.j9-cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
.j9-form{background:#fff;border-radius:var(--r-16);padding:26px;box-shadow:var(--sh-1);border:1px solid var(--c-line);}
.j9-form-field{margin-bottom:14px;}
.j9-form-field label{display:block;font-size:13px;color:var(--c-ink-2);margin-bottom:6px;}
.j9-form-field input,.j9-form-field select{width:100%;height:48px;padding:0 14px;border-radius:var(--r-12);border:1px solid var(--c-line);background:#fff;transition:border-color .18s ease,box-shadow .18s ease;}
.j9-form-field input:focus,.j9-form-field select:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(26,95,208,.12);}
.j9-form .j9-btn{width:100%;}
.j9-form small{display:block;margin-top:10px;font-size:12px;color:var(--c-ink-3);}

/* ---------- Footer ---------- */
.j9-footer{background:var(--c-dark);color:#C8D3E4;padding:64px 0 26px;margin-top:80px;}
.j9-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.j9-footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.j9-footer-logo .j9-logo-mark{background:var(--c-primary);}
.j9-footer-logo b{color:#fff;font-size:17px;}
.j9-footer p{font-size:13.5px;line-height:1.9;color:#A9B8D0;margin:0;max-width:34em;}
.j9-footer h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;}
.j9-footer-list{display:flex;flex-direction:column;gap:10px;}
.j9-footer-list a{font-size:13.5px;color:#C8D3E4;}
.j9-footer-list a:hover{color:#fff;}
.j9-footer-contact{display:flex;flex-direction:column;gap:12px;}
.j9-footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:#C8D3E4;}
.j9-footer-contact svg{flex:none;color:#7FA6E8;margin-top:2px;}
.j9-footer-bottom{margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:12px;color:#8C9DBA;}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .j9-container{padding:0 20px;}
}
@media (max-width:992px){
  .j9-menu{display:none;}
  .j9-burger{display:inline-flex;}
  .j9-nav{height:64px;}
  .j9-grid-3{grid-template-columns:repeat(2,1fr);}
  .j9-cta{grid-template-columns:1fr;padding:32px;}
  .j9-footer-grid{grid-template-columns:1fr 1fr;}
  .j9-article-head{padding:30px;}
  .j9-article-body{padding:32px 28px;font-size:16.5px;}
}
@media (max-width:768px){
  .j9-topbar-right{display:none;}
  .j9-logo-text b{font-size:16px;}
  .j9-article-head{padding:24px 20px;border-radius:var(--r-16);}
  .j9-article-meta{gap:14px;}
  .j9-share{margin-left:0;width:100%;}
  .j9-article-body{padding:24px 18px;font-size:16px;border-radius:var(--r-12);}
  .j9-grid-3{grid-template-columns:1fr;gap:16px;}
  .j9-section{padding:52px 0;}
  .j9-cta{padding:24px 18px;border-radius:var(--r-16);}
  .j9-form{padding:20px 16px;}
  .j9-footer{padding:48px 0 22px;}
  .j9-footer-grid{grid-template-columns:1fr;gap:26px;}
  .j9-crumb .current{max-width:100%;}
}
@media (max-width:576px){
  .j9-pager a{flex:1 1 100%;}
  .j9-btn{width:100%;}
  .j9-cta-actions .j9-btn{width:100%;}
  .j9-nav-right .j9-btn{width:auto;}
}

/* roulang page: category2 */
:root{
  --c-primary:#1A5FD0;
  --c-primary-600:#1549A8;
  --c-primary-050:#EEF4FF;
  --c-accent:#FF7A2B;
  --c-accent-600:#E8651A;
  --c-mint:#0FB37A;
  --c-ink:#1B2430;
  --c-ink-2:#5A6B85;
  --c-ink-3:#93A2B8;
  --c-bg:#F6F8FC;
  --c-surface:#FFFFFF;
  --c-line:#E6ECF5;
  --r-8:8px; --r-12:12px; --r-16:16px; --r-24:24px; --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,24,40,.04);
  --sh-2:0 8px 24px -12px rgba(26,95,208,.18);
  --sh-3:0 20px 48px -24px rgba(16,24,40,.22);
  --sp-1:8px; --sp-2:16px; --sp-3:24px; --sp-4:32px; --sp-5:48px; --sp-6:64px; --sp-7:88px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",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-cn);font-size:16px;line-height:1.85;color:var(--c-ink);
  background:var(--c-bg);
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color 180ms ease,box-shadow 180ms ease;}
a:hover{color:var(--c-primary-600);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
.num{font-variant-numeric:tabular-nums;}

.j9-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- 顶部信息条 ---------- */
.j9-topbar{background:var(--c-primary-050);font-size:13px;color:var(--c-ink-2);}
.j9-topbar-in{display:flex;align-items:center;justify-content:space-between;min-height:32px;gap:16px;}
.j9-topbar-in span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.j9-topbar-links{display:flex;align-items:center;gap:18px;}
.j9-topbar-links a{color:var(--c-ink-2);font-size:13px;}
.j9-topbar-links a:hover{color:var(--c-primary);}

/* ---------- header ---------- */
.j9-header{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid transparent;transition:box-shadow 180ms ease,border-color 180ms ease,background 180ms ease;}
.j9-header.is-scrolled{background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom-color:var(--c-line);box-shadow:var(--sh-2);}
.j9-nav{display:flex;align-items:center;gap:24px;height:72px;}
.j9-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.j9-logo-mark{width:38px;height:38px;border-radius:12px;background:var(--c-primary-050);color:var(--c-primary);display:inline-flex;align-items:center;justify-content:center;}
.j9-logo-text{display:flex;flex-direction:column;line-height:1.15;}
.j9-logo-text b{font-size:17px;font-weight:700;color:var(--c-ink);letter-spacing:-.01em;}
.j9-logo-text span{font-size:10px;letter-spacing:.16em;color:var(--c-ink-3);}
.j9-menu{display:flex;align-items:center;gap:6px;margin-left:8px;}
.j9-menu a{position:relative;display:inline-block;padding:8px 12px;border-radius:var(--r-pill);font-size:15px;color:var(--c-ink-2);font-weight:500;}
.j9-menu a::after{content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;background:var(--c-primary);border-radius:2px;transform:scaleX(0);transform-origin:left;transition:transform 180ms ease;}
.j9-menu a:hover{color:var(--c-primary);}
.j9-menu a:hover::after{transform:scaleX(1);}
.j9-menu a.is-active{background:var(--c-primary-050);color:var(--c-primary);font-weight:600;}
.j9-menu a.is-active::after{transform:scaleX(0);}
.j9-nav-right{margin-left:auto;display:flex;align-items:center;gap:10px;}
.j9-icon-btn{width:40px;height:40px;border-radius:var(--r-12);border:1px solid var(--c-line);background:#fff;color:var(--c-ink-2);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:all 180ms ease;}
.j9-icon-btn:hover{color:var(--c-primary);border-color:var(--c-primary);box-shadow:var(--sh-1);}
.j9-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;border-radius:var(--r-12);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform 180ms ease,box-shadow 180ms ease,background 180ms ease,color 180ms ease;}
.j9-btn--primary{background:var(--c-accent);color:#fff;box-shadow:var(--sh-1);}
.j9-btn--primary:hover{background:var(--c-accent-600);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.j9-btn--primary:active{transform:translateY(0);}
.j9-btn--ghost{background:#fff;border-color:var(--c-primary);color:var(--c-primary);}
.j9-btn--ghost:hover{background:var(--c-primary-050);color:var(--c-primary-600);transform:translateY(-1px);}
.j9-btn--light{background:#fff;color:var(--c-primary);box-shadow:var(--sh-2);}
.j9-btn--light:hover{color:var(--c-primary-600);transform:translateY(-1px);}
.j9-burger{display:none;}

/* ---------- 抽屉 ---------- */
.j9-mask{position:fixed;inset:0;background:rgba(15,27,51,.42);opacity:0;visibility:hidden;transition:opacity 180ms ease,visibility 180ms ease;z-index:1040;}
.j9-mask.is-open{opacity:1;visibility:visible;}
.j9-drawer{position:fixed;top:0;right:0;height:100%;width:min(88vw,360px);background:#fff;z-index:1050;transform:translateX(102%);transition:transform 220ms ease;display:flex;flex-direction:column;padding:20px;overflow-y:auto;box-shadow:var(--sh-3);}
.j9-drawer.is-open{transform:translateX(0);}
.j9-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.j9-drawer-list{display:flex;flex-direction:column;gap:4px;}
.j9-drawer-list a{padding:12px 14px;border-radius:var(--r-12);color:var(--c-ink);font-size:15px;font-weight:500;}
.j9-drawer-list a:hover{background:var(--c-primary-050);color:var(--c-primary);}
.j9-drawer-list a.is-active{background:var(--c-primary-050);color:var(--c-primary);font-weight:600;}
.j9-drawer-note{margin-top:22px;padding-top:18px;border-top:1px solid var(--c-line);font-size:13px;color:var(--c-ink-2);line-height:1.8;}
.j9-drawer-note a{font-size:13px;display:block;padding:4px 0;}

/* ---------- 面包屑 ---------- */
.j9-crumb{padding:20px 0 0;font-size:13px;color:var(--c-ink-3);}
.j9-crumb a{color:var(--c-ink-3);}
.j9-crumb a:hover{color:var(--c-primary);}
.j9-crumb span.sep{margin:0 6px;color:var(--c-line);}
.j9-crumb .cur{color:var(--c-ink-2);}

/* ---------- 分类页头部 ---------- */
.cat-hero{margin-top:20px;border-radius:var(--r-24);padding:56px 48px 40px;position:relative;overflow:hidden;
  background-color:var(--c-primary-050);
  background-image:linear-gradient(rgba(238,244,255,.93),rgba(238,244,255,.96)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;}
.cat-hero::after{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(26,95,208,.14) 1px,transparent 1px);
  background-size:18px 18px;opacity:.5;}
.cat-hero-in{position:relative;z-index:1;max-width:760px;}
.j9-tag{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:var(--r-pill);background:#fff;color:var(--c-primary);font-size:13px;font-weight:600;box-shadow:var(--sh-1);}
.cat-hero h1{font-size:clamp(30px,4.2vw,46px);line-height:1.15;font-weight:700;letter-spacing:-.01em;margin:16px 0 14px;color:var(--c-ink);}
.cat-hero p{font-size:16px;line-height:1.85;color:var(--c-ink-2);max-width:40em;}
.cat-hero p b{color:var(--c-primary);font-weight:600;}

/* ---------- 胶囊锚点 ---------- */
.j9-chips{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.j9-chips a{display:inline-flex;align-items:center;gap:6px;height:38px;padding:0 16px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--c-line);color:var(--c-ink-2);font-size:14px;font-weight:500;transition:all 180ms ease;}
.j9-chips a:hover{border-color:var(--c-primary);color:var(--c-primary);box-shadow:var(--sh-1);transform:translateY(-1px);}
.j9-chips a.is-on{background:var(--c-primary);border-color:var(--c-primary);color:#fff;font-weight:600;}

/* ---------- 板块 ---------- */
.j9-section{padding:64px 0 0;}
.j9-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px;flex-wrap:wrap;}
.j9-section-head h2{font-size:clamp(24px,2.6vw,32px);line-height:1.25;font-weight:700;letter-spacing:-.01em;}
.j9-section-head p{margin-top:8px;font-size:15px;color:var(--c-ink-2);max-width:42em;}

/* ---------- 两列大卡 ---------- */
.j9-grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.j9-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-16);box-shadow:var(--sh-1);overflow:hidden;display:flex;flex-direction:column;transition:transform 180ms ease,box-shadow 180ms ease,border-color 180ms ease;scroll-margin-top:96px;}
.j9-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#d9e4f7;}
.j9-card-media{position:relative;aspect-ratio:16/10;background:var(--c-primary-050);overflow:hidden;}
.j9-card-media img{width:100%;height:100%;object-fit:cover;transition:transform 300ms ease;}
.j9-card:hover .j9-card-media img{transform:scale(1.03);}
.j9-card-media .ph{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:34px;font-weight:700;color:var(--c-primary);opacity:.5;}
.j9-badge{position:absolute;left:14px;top:14px;display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:var(--r-pill);background:rgba(255,255,255,.94);color:var(--c-primary);font-size:12px;font-weight:600;box-shadow:var(--sh-1);}
.j9-badge--hot{left:auto;right:14px;background:var(--c-accent);color:#fff;}
.j9-card-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1 1 auto;}
.j9-card-body h3{font-size:20px;line-height:1.4;font-weight:600;margin-bottom:12px;}
.j9-points{display:flex;flex-direction:column;gap:9px;margin-bottom:20px;}
.j9-points li{display:flex;gap:9px;font-size:14px;line-height:1.7;color:var(--c-ink-2);}
.j9-points svg{flex:0 0 auto;margin-top:4px;color:var(--c-mint);}
.j9-card-link{margin-top:auto;display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);}
.j9-card-link:hover{color:var(--c-primary-600);gap:10px;}

/* ---------- 数据条 ---------- */
.j9-stats{margin-top:64px;background:#fff;border-radius:var(--r-24);border:1px solid var(--c-line);box-shadow:var(--sh-1);padding:36px 20px;}
.j9-stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));}
.j9-stat{text-align:center;padding:0 16px;position:relative;}
.j9-stat+.j9-stat::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:1px;background:var(--c-line);}
.j9-stat b{display:block;font-size:clamp(26px,3vw,36px);line-height:1.2;font-weight:700;color:var(--c-primary);font-variant-numeric:tabular-nums;}
.j9-stat span{display:block;margin-top:8px;font-size:13px;color:var(--c-ink-2);line-height:1.6;}

/* ---------- CTA ---------- */
.j9-cta{margin-top:64px;border-radius:var(--r-24);padding:48px;background:var(--c-primary-050);position:relative;overflow:hidden;
  background-image:linear-gradient(rgba(238,244,255,.94),rgba(238,244,255,.97)),url('/assets/images/backpic/back-3.png');background-size:cover;background-position:center;}
.j9-cta-in{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.j9-cta h2{font-size:clamp(22px,2.4vw,30px);line-height:1.3;font-weight:700;}
.j9-cta p{margin-top:10px;font-size:15px;color:var(--c-ink-2);max-width:34em;}
.j9-cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.j9-footer{margin-top:88px;background:#0F1B33;color:#C8D3E4;padding:64px 0 28px;}
.j9-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;}
.j9-footer-logo{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:16px;}
.j9-footer-logo .j9-logo-mark{background:rgba(255,255,255,.1);color:#fff;}
.j9-footer p{font-size:14px;line-height:1.8;color:#A9B7CE;max-width:32em;}
.j9-footer h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;}
.j9-footer-list{display:flex;flex-direction:column;gap:10px;}
.j9-footer-list a{font-size:14px;color:#C8D3E4;}
.j9-footer-list a:hover{color:#fff;}
.j9-footer-contact{display:flex;flex-direction:column;gap:12px;font-size:14px;}
.j9-footer-contact li{display:flex;align-items:flex-start;gap:8px;line-height:1.6;color:#C8D3E4;}
.j9-footer-contact svg{flex:0 0 auto;margin-top:3px;color:#7F97BF;}
.j9-footer-bottom{margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12px;color:#8FA2C0;}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .j9-container{padding:0 20px;}
}
@media (max-width:992px){
  .j9-menu{display:none;}
  .j9-burger{display:inline-flex;}
  .cat-hero{padding:44px 32px 32px;}
  .j9-stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 0;}
  .j9-stat:nth-child(3)::before{display:none;}
  .j9-footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:768px){
  body{font-size:15px;}
  .j9-nav{height:60px;gap:12px;}
  .j9-logo-text b{font-size:15px;}
  .j9-topbar-links{display:none;}
  .j9-grid-2{grid-template-columns:1fr;gap:16px;}
  .cat-hero{margin-top:16px;padding:32px 20px 26px;border-radius:var(--r-16);}
  .cat-hero p{font-size:15px;}
  .j9-section{padding:48px 0 0;}
  .j9-stats{margin-top:48px;padding:28px 8px;border-radius:var(--r-16);}
  .j9-cta{margin-top:48px;padding:28px 20px;border-radius:var(--r-16);}
  .j9-cta-actions{width:100%;}
  .j9-cta-actions .j9-btn{width:100%;}
  .j9-footer{margin-top:56px;padding:48px 0 24px;}
  .j9-footer-grid{grid-template-columns:1fr;gap:28px;}
  .j9-card-body{padding:18px;}
}
@media (max-width:576px){
  .j9-container{padding:0 16px;}
  .j9-btn{height:42px;font-size:14px;}
  .j9-stat b{font-size:24px;}
  .j9-chips a{height:34px;padding:0 13px;font-size:13px;}
}

/* roulang page: category3 */
:root{
  --c-primary:#1A5FD0;
  --c-primary-600:#1549A8;
  --c-primary-050:#EEF4FF;
  --c-accent:#FF7A2B;
  --c-accent-600:#E8651A;
  --c-mint:#0FB37A;
  --c-ink:#1B2430;
  --c-ink-2:#5A6B85;
  --c-ink-3:#93A2B8;
  --c-bg:#F6F8FC;
  --c-surface:#FFFFFF;
  --c-line:#E6ECF5;
  --r-8:8px;--r-12:12px;--r-16:16px;--r-24:24px;--r-pill:999px;
  --sh-1:0 1px 2px rgba(16,24,40,.04);
  --sh-2:0 8px 24px -12px rgba(26,95,208,.18);
  --sh-3:0 20px 48px -24px rgba(16,24,40,.22);
  --t:180ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.85;color:var(--c-ink);background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t),background var(--t)}
a:hover{color:var(--c-primary-600)}
button{font:inherit;cursor:pointer}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--c-ink);letter-spacing:-.01em}
h1{font-size:clamp(30px,4.2vw,46px);line-height:1.15}
h2{font-size:clamp(24px,2.6vw,32px);line-height:1.25}
h3{font-size:20px;line-height:1.4;font-weight:600}
h4{font-size:17px;line-height:1.5;font-weight:600}
p{margin:0 0 14px}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.j9-sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* 容器 */
.j9-container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}

/* 顶部导航 */
.j9-header{
  position:sticky;top:0;z-index:1030;background:#fff;
  border-bottom:1px solid transparent;
  transition:box-shadow var(--t),border-color var(--t),background var(--t);
}
.j9-header.is-stuck{
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  box-shadow:var(--sh-2);border-bottom-color:var(--c-line);
}
.j9-nav{display:flex;align-items:center;justify-content:space-between;gap:18px;height:72px}
.j9-logo{display:flex;align-items:center;gap:10px;color:var(--c-ink);flex:0 0 auto}
.j9-logo:hover{color:var(--c-ink)}
.j9-logo-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:var(--r-12);
  display:grid;place-items:center;background:var(--c-primary);color:#fff;
}
.j9-logo-text{display:flex;flex-direction:column;line-height:1.2}
.j9-logo-text b{font-size:17px;font-weight:700;letter-spacing:-.01em}
.j9-logo-text span{font-size:11px;letter-spacing:.14em;color:var(--c-ink-3);font-weight:600}
.j9-menu{display:flex;align-items:center;gap:2px}
.j9-menu a{
  padding:9px 14px;border-radius:var(--r-pill);font-size:15px;
  color:var(--c-ink-2);white-space:nowrap;transition:color var(--t),background var(--t);
}
.j9-menu a:hover{color:var(--c-primary);background:var(--c-primary-050)}
.j9-menu a.is-active{color:var(--c-primary);background:var(--c-primary-050);font-weight:600}
.j9-nav-right{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.j9-icon-btn{
  width:40px;height:40px;display:grid;place-items:center;border-radius:var(--r-12);
  border:1px solid var(--c-line);background:#fff;color:var(--c-ink-2);
  transition:color var(--t),border-color var(--t),background var(--t),transform var(--t);
}
.j9-icon-btn:hover{color:var(--c-primary);border-color:#CFE0FA;background:var(--c-primary-050)}
.j9-icon-btn:active{transform:scale(.96)}
.j9-burger{display:none}

/* 按钮 */
.j9-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-12);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);
  white-space:nowrap;
}
.j9-btn:active{transform:translateY(0)}
.j9-btn--primary{background:var(--c-accent);color:#fff;box-shadow:0 10px 22px -14px rgba(232,101,26,.9)}
.j9-btn--primary:hover{background:var(--c-accent-600);color:#fff;transform:translateY(-1px);box-shadow:0 14px 26px -14px rgba(232,101,26,.95)}
.j9-btn--outline{background:#fff;color:var(--c-primary);border-color:#CFE0FA}
.j9-btn--outline:hover{background:var(--c-primary-050);color:var(--c-primary-600);transform:translateY(-1px)}
.j9-btn--sm{height:40px;padding:0 16px;font-size:14px}

/* 抽屉 */
.j9-mask{
  position:fixed;inset:0;background:rgba(15,27,51,.45);z-index:1040;
  opacity:0;pointer-events:none;transition:opacity var(--t);
}
.j9-mask.is-open{opacity:1;pointer-events:auto}

/* 面包屑 */
.j9-crumb{
  display:flex;flex-wrap:wrap;gap:8px;align-items:center;
  font-size:13px;color:var(--c-ink-3);padding:18px 0 0;
}
.j9-crumb a{color:var(--c-ink-3)}
.j9-crumb a:hover{color:var(--c-primary)}
.j9-crumb .sep{color:var(--c-ink-3);opacity:.65}
.j9-crumb .now{color:var(--c-ink-2)}

/* 首屏横幅 */
.j9-hero{
  position:relative;background:var(--c-primary-050);overflow:hidden;
  padding:52px 0 72px;
}
.j9-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(135deg,rgba(26,95,208,.055) 0 1px,transparent 1px 12px);
}
.j9-hero-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;
}
.j9-hero-copy h1{margin-bottom:16px}
.j9-hero-copy h1 em{font-style:normal;color:var(--c-primary)}
.j9-hero-lead{font-size:17px;line-height:1.8;color:var(--c-ink-2);max-width:40em;margin-bottom:22px}
.j9-chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}
.j9-chip{
  display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 16px;
  border-radius:var(--r-pill);background:#fff;border:1px solid #D9E5FA;
  color:var(--c-primary);font-size:14px;font-weight:500;
  transition:background var(--t),color var(--t),border-color var(--t),transform var(--t);
}
.j9-chip:hover{background:var(--c-primary);color:#fff;border-color:var(--c-primary);transform:translateY(-1px)}
.j9-hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.j9-hero-media{
  position:relative;border-radius:var(--r-24);overflow:hidden;
  aspect-ratio:16/11;background:#DCE9FF;box-shadow:var(--sh-3);
}
.j9-hero-media img{width:100%;height:100%;object-fit:cover}
.j9-hero-badge{
  position:absolute;right:16px;bottom:16px;
  display:inline-flex;align-items:center;gap:6px;
  background:var(--c-accent);color:#fff;font-size:13px;font-weight:600;
  padding:8px 14px;border-radius:var(--r-pill);
  box-shadow:0 10px 22px -14px rgba(232,101,26,.95);
}

/* 通用板块 */
.j9-section{padding:88px 0}
.j9-section--tight{padding:64px 0}
.j9-section--white{background:#fff}
.j9-sec-head{max-width:660px;margin-bottom:42px}
.j9-sec-head h2{margin-bottom:12px}
.j9-sec-head p{font-size:16px;color:var(--c-ink-2);margin:0}
.j9-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--c-primary);margin-bottom:12px;
}
.j9-eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--c-primary)}

/* 时间线 */
.j9-timeline{display:grid;gap:0}
.j9-tl-item{
  position:relative;display:grid;grid-template-columns:56px 1fr;gap:22px;
  padding-bottom:26px;
}
.j9-tl-item::before{
  content:"";position:absolute;left:27px;top:58px;bottom:0;width:2px;
  background:linear-gradient(180deg,#CFE0FA,#EEF4FF);border-radius:2px;
}
.j9-tl-item:last-child{padding-bottom:0}
.j9-tl-item:last-child::before{display:none}
.j9-tl-dot{
  width:56px;height:56px;border-radius:var(--r-pill);
  display:grid;place-items:center;
  background:var(--c-primary-050);border:1px solid #D9E5FA;
  color:var(--c-primary);font-weight:700;font-size:16px;
  font-variant-numeric:tabular-nums;position:relative;z-index:1;
}
.j9-tl-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-16);
  padding:24px 26px;box-shadow:var(--sh-1);
  transition:box-shadow var(--t),transform var(--t),border-color var(--t);
}
.j9-tl-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:#D9E5FA}
.j9-tl-card h3{margin-bottom:8px}
.j9-tl-card > p{font-size:15px;color:var(--c-ink-2);line-height:1.8;margin:0}
.j9-tl-tag{
  display:inline-block;font-size:12px;font-weight:600;color:var(--c-primary);
  background:var(--c-primary-050);border-radius:var(--r-pill);
  padding:3px 10px;margin-left:10px;vertical-align:middle;
}
.j9-check-list{display:grid;gap:8px;margin-top:14px}
.j9-check-list li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:var(--c-ink-2)}
.j9-check-list li::before{
  content:"";width:16px;height:16px;flex:0 0 16px;margin-top:5px;border-radius:50%;
  background:var(--c-mint) url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center/11px 11px no-repeat;
}

/* 深色口径区 */
.j9-band{background:var(--c-ink);color:#C8D3E4;padding:80px 0}
.j9-band h2{color:#fff}
.j9-band p{color:#9BAAC2}
.j9-band .j9-eyebrow{color:#7FB2FF}
.j9-band .j9-eyebrow::before{background:#7FB2FF}
.j9-band-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.j9-metrics{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.j9-metric{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.13);
  border-radius:var(--r-16);padding:20px 22px;
}
.j9-metric b{
  display:block;font-size:28px;line-height:1.2;color:#fff;
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;margin-bottom:6px;
}
.j9-metric span{font-size:13px;line-height:1.6;color:#93A2B8}
.j9-band-list{display:grid;gap:14px;margin-top:22px}
.j9-band-list li{
  display:flex;gap:12px;font-size:14px;line-height:1.75;color:#B9C6D9;
}
.j9-band-list li svg{flex:0 0 20px;margin-top:4px;color:#7FB2FF}

/* 细节列表 */
.j9-detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 40px}
.j9-detail{
  display:flex;gap:16px;padding:22px 0;border-bottom:1px dashed var(--c-line);
}
.j9-detail-num{
  flex:0 0 34px;height:34px;border-radius:var(--r-12);
  display:grid;place-items:center;background:var(--c-primary-050);
  color:var(--c-primary);font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;
}
.j9-detail h4{margin-bottom:4px}
.j9-detail p{font-size:14px;line-height:1.75;color:var(--c-ink-2);margin:0}
.j9-feature{
  display:grid;grid-template-columns:.9fr 1.1fr;gap:32px;align-items:center;
  margin-top:48px;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-24);padding:20px;box-shadow:var(--sh-1);
}
.j9-feature-media{border-radius:var(--r-16);overflow:hidden;aspect-ratio:5/3;background:#DCE9FF}
.j9-feature-media img{width:100%;height:100%;object-fit:cover}
.j9-feature-body{padding:12px 20px 12px 0}
.j9-feature-body h3{margin-bottom:10px}
.j9-feature-body p{font-size:15px;color:var(--c-ink-2);margin-bottom:12px}

/* FAQ */
.j9-faq{max-width:880px}
.j9-faq .accordion-item{background:transparent;border:0;border-top:1px solid var(--c-line)}
.j9-faq .accordion-item:last-child{border-bottom:1px solid var(--c-line)}
.j9-faq .accordion-button{
  background:transparent;box-shadow:none;border:0;
  padding:20px 0;display:flex;gap:14px;align-items:center;
  font-size:17px;font-weight:600;color:var(--c-ink);line-height:1.6;
}
.j9-faq .accordion-button:not(.collapsed){color:var(--c-primary);background:transparent;box-shadow:none}
.j9-faq .accordion-button:focus{box-shadow:none;border-color:transparent}
.j9-faq .accordion-button::after{display:none}
.j9-faq-icon{
  position:relative;width:28px;height:28px;flex:0 0 28px;border-radius:var(--r-pill);
  background:var(--c-primary-050);transition:transform var(--t);
}
.j9-faq-icon::before,.j9-faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--c-primary);border-radius:2px;
  transform:translate(-50%,-50%);
}
.j9-faq-icon::before{width:12px;height:2px}
.j9-faq-icon::after{width:2px;height:12px;transition:opacity var(--t)}
.j9-faq .accordion-button:not(.collapsed) .j9-faq-icon{transform:rotate(45deg)}
.j9-faq .accordion-button:not(.collapsed) .j9-faq-icon::after{opacity:.4}
.j9-faq .accordion-body{
  padding:0 0 22px 42px;font-size:15px;line-height:1.85;color:var(--c-ink-2);
}

/* CTA */
.j9-cta{
  background:var(--c-primary-050);border-radius:var(--r-24);
  padding:48px 44px;display:grid;grid-template-columns:1.25fr .75fr;
  gap:32px;align-items:center;
}
.j9-cta h2{margin-bottom:12px}
.j9-cta p{font-size:15px;color:var(--c-ink-2);max-width:38em}
.j9-cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}
.j9-cta-aside{
  background:#fff;border-radius:var(--r-16);padding:24px;
  border:1px solid #D9E5FA;box-shadow:var(--sh-1);
}
.j9-cta-aside h4{margin-bottom:12px}
.j9-cta-aside dl{margin:0;display:grid;gap:12px}
.j9-cta-aside dt{font-size:13px;color:var(--c-ink-3)}
.j9-cta-aside dd{
  margin:2px 0 0;font-size:15px;font-weight:600;color:var(--c-ink);
  font-variant-numeric:tabular-nums;
}

/* 页脚 */
.j9-footer{background:#0F1B33;color:#C8D3E4;padding:64px 0 28px}
.j9-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:40px}
.j9-footer h4{color:#fff;font-size:14px;font-weight:600;margin-bottom:16px;letter-spacing:.02em}
.j9-footer p{font-size:14px;line-height:1.8;color:#93A2B8}
.j9-footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.j9-footer-logo b{color:#fff;font-size:17px;font-weight:700}
.j9-footer-list{display:grid;gap:10px}
.j9-footer-list a{color:#C8D3E4;font-size:14px}
.j9-footer-list a:hover{color:#fff}
.j9-footer-contact{display:grid;gap:12px}
.j9-footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:#C8D3E4;line-height:1.7}
.j9-footer-contact svg{flex:0 0 18px;margin-top:4px;color:#7E8CA3}
.j9-footer-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding-top:20px;
  font-size:12px;color:#7E8CA3;
}

/* 响应式 */
@media (max-width:1200px){
  .j9-hero-grid{gap:36px}
  .j9-band-grid{gap:40px}
}
@media (max-width:992px){
  .j9-menu,.j9-nav-right .j9-btn{display:none}
  .j9-burger{display:grid}
  .j9-nav{height:60px}
  .j9-hero{padding:36px 0 56px}
  .j9-hero-grid{grid-template-columns:1fr;gap:28px}
  .j9-hero-media{aspect-ratio:16/10}
  .j9-band-grid{grid-template-columns:1fr;gap:32px}
  .j9-detail-grid{grid-template-columns:1fr}
  .j9-feature{grid-template-columns:1fr;gap:20px;padding:16px}
  .j9-feature-body{padding:4px 8px 12px}
  .j9-cta{grid-template-columns:1fr;padding:36px 28px}
  .j9-footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .j9-section{padding:48px 0}
  .j9-section--tight{padding:44px 0}
  .j9-band{padding:56px 0}
  .j9-tl-item{grid-template-columns:44px 1fr;gap:16px}
  .j9-tl-dot{width:44px;height:44px;font-size:14px}
  .j9-tl-item::before{left:21px;top:46px}
  .j9-tl-card{padding:20px}
  .j9-metrics{grid-template-columns:1fr 1fr;gap:14px}
  .j9-metric b{font-size:24px}
  .j9-cta-aside{padding:20px}
  .j9-faq .accordion-body{padding-left:0}
}
@media (max-width:576px){
  .j9-container{padding:0 16px}
  .j9-logo-text span{display:none}
  .j9-logo-text b{font-size:15px}
  .j9-hero-copy h1{font-size:28px}
  .j9-hero-lead{font-size:15px}
  .j9-hero-actions .j9-btn{width:100%}
  .j9-metrics{grid-template-columns:1fr}
  .j9-footer-grid{grid-template-columns:1fr}
  .j9-footer-bottom{flex-direction:column;gap:8px}
  .j9-cta-actions .j9-btn{width:100%}
}

/* 抽屉样式（追加，保证与首页导航共用同一套结构） */
.j9-drawer{
  position:fixed;top:0;right:0;height:100%;width:min(88vw,360px);
  background:#fff;z-index:1050;transform:translateX(100%);
  transition:transform 260ms ease;display:flex;flex-direction:column;
  padding:18px 20px 28px;overflow-y:auto;box-shadow:var(--sh-3);
}
.j9-drawer.is-open{transform:translateX(0)}
.j9-drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--c-line)}
.j9-drawer-title{font-size:16px;font-weight:700;color:var(--c-ink)}
.j9-drawer-nav{display:grid;gap:4px;margin:18px 0 22px}
.j9-drawer-nav a{
  padding:12px 14px;border-radius:var(--r-12);font-size:15px;
  color:var(--c-ink-2);transition:color var(--t),background var(--t);
}
.j9-drawer-nav a:hover{color:var(--c-primary);background:var(--c-primary-050)}
.j9-drawer-nav a.is-active{color:var(--c-primary);background:var(--c-primary-050);font-weight:600}
.j9-drawer-cta{width:100%}
.j9-drawer-info{margin-top:22px;padding-top:18px;border-top:1px solid var(--c-line)}
.j9-drawer-info p{font-size:13px;color:var(--c-ink-3);margin:0 0 6px}
@media (min-width:993px){
  .j9-drawer,.j9-mask{display:none}
}

/* roulang page: category4 */
:root{
  --c-primary:#1A5FD0;
  --c-primary-600:#1549A8;
  --c-primary-050:#EEF4FF;
  --c-accent:#FF7A2B;
  --c-accent-600:#E8651A;
  --c-mint:#0FB37A;
  --c-ink:#1B2430;
  --c-ink-2:#5A6B85;
  --c-ink-3:#93A2B8;
  --c-bg:#F6F8FC;
  --c-surface:#FFFFFF;
  --c-line:#E6ECF5;
  --r-8:8px;
  --r-12:12px;
  --r-16:16px;
  --r-24:24px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,24,40,.04);
  --sh-2:0 8px 24px -12px rgba(26,95,208,.18);
  --sh-3:0 20px 48px -24px rgba(16,24,40,.22);
  --ease:180ms ease;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  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 var(--ease),box-shadow var(--ease);}
a:hover{color:var(--c-primary-600);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
.num{font-variant-numeric:tabular-nums;}

.j9-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- 顶部信息条 ---------- */
.j9-topbar{background:var(--c-primary-050);border-bottom:1px solid var(--c-line);}
.j9-topbar .j9-container{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:32px;}
.j9-topbar-left{font-size:13px;color:var(--c-ink-2);display:flex;align-items:center;gap:8px;}
.j9-topbar-left svg{color:var(--c-mint);flex:none;}
.j9-topbar-right{display:flex;align-items:center;gap:18px;font-size:13px;}
.j9-topbar-right a{color:var(--c-ink-2);}
.j9-topbar-right a:hover{color:var(--c-primary);}

/* ---------- Header ---------- */
.j9-header{
  position:sticky;top:0;z-index:1030;background:var(--c-surface);
  border-bottom:1px solid transparent;transition:box-shadow var(--ease),border-color var(--ease),background var(--ease);
}
.j9-header.is-scrolled{background:rgba(255,255,255,.92);backdrop-filter:blur(12px);box-shadow:var(--sh-2);border-bottom-color:var(--c-line);}
.j9-nav{display:flex;align-items:center;gap:24px;min-height:72px;}
.j9-logo{display:flex;align-items:center;gap:10px;flex:none;color:var(--c-ink);}
.j9-logo:hover{color:var(--c-ink);}
.j9-logo-mark{
  width:38px;height:38px;border-radius:var(--r-12);display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-primary);color:#fff;flex:none;box-shadow:var(--sh-2);
}
.j9-logo-text{display:flex;flex-direction:column;line-height:1.15;}
.j9-logo-text b{font-size:17px;font-weight:700;letter-spacing:-.01em;}
.j9-logo-text span{font-size:11px;color:var(--c-ink-3);letter-spacing:.14em;}
.j9-menu{display:flex;align-items:center;gap:4px;margin-left:auto;}
.j9-menu a{
  display:inline-block;padding:9px 14px;border-radius:var(--r-pill);font-size:15px;color:var(--c-ink-2);
  position:relative;transition:color var(--ease),background var(--ease);
}
.j9-menu a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
}
.j9-menu a:hover{color:var(--c-primary);}
.j9-menu a:hover::after{transform:scaleX(1);}
.j9-menu a.is-active{background:var(--c-primary-050);color:var(--c-primary);font-weight:600;}
.j9-menu a.is-active::after{transform:scaleX(0);}
.j9-nav-right{display:flex;align-items:center;gap:10px;margin-left:8px;}
.j9-icon-btn{
  width:40px;height:40px;border-radius:var(--r-12);border:1px solid var(--c-line);background:var(--c-surface);
  color:var(--c-ink-2);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  transition:all var(--ease);
}
.j9-icon-btn:hover{color:var(--c-primary);border-color:var(--c-primary);box-shadow:var(--sh-1);}
.j9-burger{display:none;}
.j9-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-12);padding:11px 20px;font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:all var(--ease);
}
.j9-btn--primary{background:var(--c-accent);color:#fff;box-shadow:0 8px 20px -12px rgba(255,122,43,.9);}
.j9-btn--primary:hover{background:var(--c-accent-600);color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px -12px rgba(255,122,43,.95);}
.j9-btn--primary:active{transform:translateY(0);}
.j9-btn--ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary);}
.j9-btn--ghost:hover{background:var(--c-primary-050);color:var(--c-primary-600);border-color:var(--c-primary-600);transform:translateY(-1px);}
.j9-btn--sm{padding:8px 16px;font-size:14px;}

/* ---------- 抽屉 ---------- */
.j9-drawer-mask{
  position:fixed;inset:0;background:rgba(15,27,51,.42);opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease);z-index:1040;
}
.j9-drawer-mask.is-open{opacity:1;visibility:visible;}
.j9-drawer{
  position:fixed;top:0;right:0;height:100%;width:min(88vw,360px);background:var(--c-surface);
  transform:translateX(100%);transition:transform 220ms ease;z-index:1050;display:flex;flex-direction:column;
  box-shadow:var(--sh-3);overflow-y:auto;
}
.j9-drawer.is-open{transform:translateX(0);}
.j9-drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--c-line);}
.j9-drawer-head b{font-size:15px;}
.j9-drawer-body{padding:16px 20px 28px;}
.j9-drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:20px;}
.j9-drawer-nav a{padding:12px 14px;border-radius:var(--r-12);color:var(--c-ink-2);font-size:15px;}
.j9-drawer-nav a:hover{background:var(--c-primary-050);color:var(--c-primary);}
.j9-drawer-nav a.is-active{background:var(--c-primary-050);color:var(--c-primary);font-weight:600;}
.j9-drawer-cta{width:100%;margin-bottom:20px;}
.j9-drawer-info{border-top:1px solid var(--c-line);padding-top:18px;font-size:13px;color:var(--c-ink-2);}
.j9-drawer-info li{display:flex;align-items:center;gap:8px;margin-bottom:10px;}
.j9-drawer-info svg{color:var(--c-primary);flex:none;}

/* ---------- 面包屑 ---------- */
.j9-crumb{font-size:13px;color:var(--c-ink-3);padding:18px 0 0;}
.j9-crumb a{color:var(--c-ink-3);}
.j9-crumb a:hover{color:var(--c-primary);}
.j9-crumb .sep{margin:0 8px;color:var(--c-line);}
.j9-crumb .cur{color:var(--c-ink-2);}

/* ---------- Banner ---------- */
.j9-banner{
  background:var(--c-primary-050);border-radius:var(--r-24);padding:44px 40px;margin:18px 0 0;
  position:relative;overflow:hidden;
}
.j9-banner::before{
  content:"";position:absolute;inset:0;opacity:.06;pointer-events:none;
  background-image:repeating-linear-gradient(135deg,#1A5FD0 0 1px,transparent 1px 12px);
}
.j9-banner-grid{position:relative;display:grid;grid-template-columns:1.35fr 1fr;gap:36px;align-items:center;}
.j9-badge{
  display:inline-flex;align-items:center;gap:6px;background:var(--c-surface);color:var(--c-primary);
  border-radius:var(--r-pill);padding:5px 14px;font-size:13px;font-weight:600;box-shadow:var(--sh-1);margin-bottom:14px;
}
.j9-banner h1{font-size:clamp(30px,4.2vw,46px);line-height:1.15;font-weight:700;letter-spacing:-.01em;}
.j9-banner p{font-size:16px;color:var(--c-ink-2);max-width:40em;margin-top:14px;}
.j9-banner-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
.j9-banner-media{border-radius:var(--r-16);overflow:hidden;aspect-ratio:16/10;background:var(--c-primary-050);box-shadow:var(--sh-2);}
.j9-banner-media img{width:100%;height:100%;object-fit:cover;}

/* ---------- 板块 ---------- */
.j9-section{padding:88px 0;}
.j9-section--white{background:var(--c-surface);}
.j9-section--soft{background:var(--c-bg);}
.j9-section--tint{background:var(--c-primary-050);}
.j9-head{max-width:760px;margin-bottom:40px;}
.j9-head .kicker{font-size:13px;font-weight:600;color:var(--c-primary);letter-spacing:.1em;text-transform:uppercase;}
.j9-head h2{font-size:clamp(24px,2.6vw,32px);line-height:1.25;font-weight:700;margin-top:10px;}
.j9-head p{font-size:15px;color:var(--c-ink-2);margin-top:12px;max-width:40em;}
.j9-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;}

/* ---------- 对照表 ---------- */
.j9-table-scroll{overflow-x:auto;border-radius:var(--r-16);background:var(--c-surface);box-shadow:var(--sh-1);}
.j9-table{width:100%;min-width:720px;border-collapse:collapse;}
.j9-table caption{text-align:left;padding:20px 24px 6px;font-size:14px;color:var(--c-ink-3);}
.j9-table th,.j9-table td{height:56px;padding:0 24px;text-align:left;font-size:15px;border:none;vertical-align:middle;}
.j9-table thead th{
  font-size:13px;font-weight:600;color:var(--c-ink-2);letter-spacing:.04em;background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
}
.j9-table tbody tr:nth-child(even){background:var(--c-bg);}
.j9-table tbody tr:hover{background:var(--c-primary-050);}
.j9-table td:first-child{font-weight:600;color:var(--c-ink);}
.j9-table .j9-tag{display:inline-flex;align-items:center;border-radius:var(--r-pill);padding:3px 12px;font-size:13px;font-weight:600;}
.j9-tag--primary{background:var(--c-primary-050);color:var(--c-primary);}
.j9-tag--mint{background:rgba(15,179,122,.12);color:var(--c-mint);}
.j9-tag--accent{background:rgba(255,122,43,.14);color:var(--c-accent-600);}
.j9-note{font-size:13px;color:var(--c-ink-3);margin-top:14px;}

/* ---------- 双列图文卡 ---------- */
.j9-cards2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.j9-card{
  background:var(--c-surface);border-radius:var(--r-16);box-shadow:var(--sh-1);overflow:hidden;
  border:1px solid var(--c-line);transition:box-shadow var(--ease),transform var(--ease);
  display:flex;flex-direction:column;
}
.j9-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.j9-card-media{aspect-ratio:16/9;overflow:hidden;background:var(--c-primary-050);}
.j9-card-media img{width:100%;height:100%;object-fit:cover;transition:transform 300ms ease;}
.j9-card:hover .j9-card-media img{transform:scale(1.03);}
.j9-card-body{padding:26px 26px 28px;}
.j9-card-body h3{font-size:20px;line-height:1.4;font-weight:600;}
.j9-card-body p{font-size:15px;color:var(--c-ink-2);margin-top:10px;}
.j9-check{margin-top:16px;display:flex;flex-direction:column;gap:10px;}
.j9-check li{display:flex;gap:10px;font-size:14px;color:var(--c-ink-2);}
.j9-check svg{flex:none;color:var(--c-mint);margin-top:4px;}

/* ---------- 数据条 ---------- */
.j9-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;border-top:1px solid var(--c-line);padding-top:32px;margin-top:56px;}
.j9-stats .v{font-size:clamp(24px,2.6vw,32px);font-weight:700;color:var(--c-primary);line-height:1.2;}
.j9-stats .k{font-size:13px;color:var(--c-ink-3);margin-top:6px;}

/* ---------- FAQ ---------- */
.j9-acc-item{background:transparent;border:none;border-bottom:1px solid var(--c-line);}
.j9-acc-btn{
  width:100%;background:transparent;border:none;padding:20px 0;display:flex;align-items:center;gap:14px;
  font-size:17px;font-weight:600;color:var(--c-ink);text-align:left;cursor:pointer;box-shadow:none;transition:color var(--ease);
}
.j9-acc-btn:not(.collapsed){color:var(--c-primary);}
.j9-acc-btn::after{display:none;}
.j9-acc-btn:hover{color:var(--c-primary);}
.j9-acc-btn:focus{outline:none;box-shadow:none;}
.j9-acc-btn:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
.j9-acc-icon{
  width:28px;height:28px;border-radius:50%;background:var(--c-primary-050);color:var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;flex:none;transition:transform var(--ease),background var(--ease);
}
.j9-acc-btn:not(.collapsed) .j9-acc-icon{transform:rotate(45deg);}
.j9-acc-body{padding:0 0 22px 42px;font-size:15px;line-height:1.8;color:var(--c-ink-2);}
.j9-acc-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 48px;}

/* ---------- 转化区 ---------- */
.j9-cta{
  background:var(--c-primary-050);border-radius:var(--r-24);padding:48px 44px;
  display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;
}
.j9-cta h2{font-size:clamp(24px,2.6vw,32px);line-height:1.25;font-weight:700;}
.j9-cta p{font-size:15px;color:var(--c-ink-2);margin-top:14px;max-width:34em;}
.j9-form{background:var(--c-surface);border-radius:var(--r-16);padding:28px;box-shadow:var(--sh-2);}
.j9-form-row{margin-bottom:16px;}
.j9-form label{display:block;font-size:13px;font-weight:600;color:var(--c-ink-2);margin-bottom:8px;}
.j9-input{
  width:100%;height:48px;border-radius:var(--r-12);border:1px solid var(--c-line);background:var(--c-surface);
  padding:0 16px;font-size:15px;color:var(--c-ink);transition:border-color var(--ease),box-shadow var(--ease);
}
.j9-input::placeholder{color:var(--c-ink-3);}
.j9-input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(26,95,208,.12);}
.j9-select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--c-ink-2) 50%),linear-gradient(135deg,var(--c-ink-2) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;padding-right:44px;}
.j9-form .j9-btn--primary{width:100%;}
.j9-form-tip{font-size:13px;color:var(--c-ink-3);margin-top:12px;}
.j9-form-ok{display:none;font-size:14px;color:var(--c-mint);margin-top:14px;font-weight:600;}
.j9-form-ok.is-show{display:block;}

/* ---------- Footer ---------- */
.j9-footer{background:#0F1B33;color:#C8D3E4;padding:72px 0 28px;margin-top:88px;}
.j9-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.j9-footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.j9-footer-logo b{font-size:17px;color:#fff;font-weight:700;}
.j9-footer-logo .j9-logo-mark{background:var(--c-primary);}
.j9-footer p{font-size:14px;line-height:1.8;color:#9FB0CB;max-width:32em;}
.j9-footer h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:18px;}
.j9-footer-list{display:flex;flex-direction:column;gap:12px;}
.j9-footer-list a{font-size:14px;color:#C8D3E4;}
.j9-footer-list a:hover{color:#fff;}
.j9-footer-contact li{display:flex;align-items:center;gap:10px;font-size:14px;color:#C8D3E4;margin-bottom:14px;}
.j9-footer-contact svg{color:#7EA3E8;flex:none;}
.j9-footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(200,211,228,.16);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12px;color:#8C9DBB;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .j9-container{padding:0 20px;}
}
@media (max-width:991px){
  .j9-menu{display:none;}
  .j9-burger{display:inline-flex;}
  .j9-nav-right .j9-btn{display:none;}
  .j9-nav{min-height:64px;}
  .j9-banner{padding:34px 26px;}
  .j9-banner-grid{grid-template-columns:1fr;gap:26px;}
  .j9-section{padding:64px 0;}
  .j9-cards2{grid-template-columns:1fr;}
  .j9-cta{grid-template-columns:1fr;padding:34px 26px;gap:30px;}
  .j9-acc-grid{grid-template-columns:1fr;gap:0;}
  .j9-footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .j9-stats{grid-template-columns:repeat(2,1fr);gap:20px;}
}
@media (max-width:767px){
  body{font-size:15px;}
  .j9-container{padding:0 16px;}
  .j9-topbar-right{display:none;}
  .j9-section{padding:48px 0;}
  .j9-banner{padding:26px 18px;border-radius:var(--r-16);}
  .j9-banner h1{font-size:clamp(26px,7vw,34px);}
  .j9-banner-actions .j9-btn{flex:1;justify-content:center;}
  .j9-banner-media{aspect-ratio:16/11;}
  .j9-head{margin-bottom:28px;}
  .j9-head--row{flex-direction:column;align-items:flex-start;gap:12px;}
  .j9-table th,.j9-table td{padding:0 16px;font-size:14px;}
  .j9-card-body{padding:20px;}
  .j9-cta{padding:26px 18px;}
  .j9-form{padding:20px;}
  .j9-footer{padding:52px 0 24px;margin-top:56px;}
  .j9-footer-grid{grid-template-columns:1fr;}
  .j9-footer-bottom{flex-direction:column;}
  .j9-acc-body{padding-left:0;}
}
@media (max-width:575px){
  .j9-stats{grid-template-columns:1fr;}
  .j9-logo-text b{font-size:15px;}
}