/* roulang page: index */
:root{
  --font-stack:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  --c-primary:#1667CC;
  --c-primary-hover:#0F55AE;
  --c-primary-active:#0C4792;
  --c-primary-soft:#EAF2FF;
  --c-primary-soft-2:#D8E7FB;
  --c-accent:#F2703A;
  --c-accent-hover:#DA5C28;
  --c-accent-soft:rgba(242,112,58,.12);
  --c-teal:#12A08A;
  --c-teal-soft:rgba(18,160,138,.12);
  --bg-page:#F4F7FB;
  --bg-alt:#EDF2F9;
  --c-card:#FFFFFF;
  --c-border:#E1E8F2;
  --c-line:#EEF3F9;
  --t-main:#16233A;
  --t-sub:#5A6B85;
  --t-weak:#8A98AE;
  --t-invert:#FFFFFF;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-input:10px;
  --r-pill:999px;
  --sh-card:0 1px 2px rgba(16,35,64,.06),0 10px 26px -14px rgba(16,35,64,.16);
  --sh-hover:0 2px 4px rgba(16,35,64,.08),0 18px 40px -18px rgba(16,35,64,.22);
  --container:1200px;
  --sp-section:92px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-stack);
  font-size:16px;
  line-height:1.85;
  color:var(--t-main);
  background:var(--bg-page);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,p,ul,ol,figure,blockquote{margin:0;padding:0}
ul,ol{list-style:none}
img{max-width:100%;height:auto;display:block;border-radius:var(--r-img)}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease}
a:hover,a:focus{color:var(--c-accent)}
button,input,select,textarea{font-family:inherit;font-size:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
.container--narrow{max-width:860px}
.section{padding:var(--sp-section) 0}
.section--alt{background:var(--bg-alt)}
.section--plain{background:#fff}
.section__head{max-width:760px;margin-bottom:44px}
.section__head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;max-width:none;flex-wrap:wrap}
.section__head--center{max-width:760px;margin:0 auto 44px;text-align:center}
.section__eyebrow{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--c-primary);background:var(--c-primary-soft);padding:5px 13px;border-radius:var(--r-pill)}
.section__title{margin-top:16px;font-size:28px;line-height:1.4;font-weight:700;letter-spacing:-.005em}
.section__desc{margin-top:12px;color:var(--t-sub);font-size:16px}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--c-primary);white-space:nowrap}
.link-more:hover{color:var(--c-accent)}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:var(--r-btn);font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;transition:transform .18s ease,box-shadow .2s ease,background-color .18s ease,color .18s ease,border-color .18s ease}
.btn--primary{background:var(--c-accent);color:#fff;box-shadow:0 12px 24px -14px rgba(242,112,58,.9)}
.btn--primary:hover,.btn--primary:focus{background:var(--c-accent-hover);color:#fff;transform:translateY(-1px);box-shadow:0 16px 30px -14px rgba(242,112,58,.95)}
.btn--primary:active{background:#C4501F;transform:translateY(0)}
.btn--ghost{background:#fff;color:var(--c-primary);border-color:var(--c-primary-soft-2)}
.btn--ghost:hover,.btn--ghost:focus{background:var(--c-primary-soft);color:var(--c-primary-hover);border-color:var(--c-primary);transform:translateY(-1px)}
.btn--ghost:active{background:var(--c-primary-soft-2)}
.btn--sm{padding:9px 18px;font-size:14px}
.btn--block{width:100%}

/* ---------- Header ---------- */
.site-header{position:relative;z-index:40;background:#fff;box-shadow:0 1px 0 rgba(16,35,64,.06)}
.header-brand{border-bottom:1px solid var(--c-border)}
.header-brand__inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:70px}
.logo{display:inline-flex;align-items:center;gap:11px;color:var(--t-main);font-weight:700;font-size:19px;letter-spacing:.01em;flex:0 0 auto}
.logo:hover,.logo:focus{color:var(--c-primary)}
.logo__mark{display:inline-flex;align-items:flex-end;gap:3px;height:23px}
.logo__mark i{display:block;width:5px;border-radius:2px;background:var(--c-primary)}
.logo__mark i:nth-child(1){height:11px;opacity:.5}
.logo__mark i:nth-child(2){height:17px;opacity:.78}
.logo__mark i:nth-child(3){height:23px;background:var(--c-accent)}
.header-tools{display:flex;align-items:center;gap:14px}
.header-search{position:relative;display:flex;align-items:center}
.header-search input{width:216px;height:40px;padding:0 42px 0 14px;border:1px solid var(--c-border);border-radius:var(--r-input);background:#fff;color:var(--t-main);font-size:14px;outline:none;transition:border-color .18s ease,box-shadow .18s ease}
.header-search input::placeholder{color:var(--t-weak)}
.header-search input:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px var(--c-primary-soft)}
.header-search button{position:absolute;right:5px;width:32px;height:32px;border:0;border-radius:8px;background:transparent;color:var(--t-weak);display:flex;align-items:center;justify-content:center;transition:color .18s ease,background-color .18s ease}
.header-search button:hover{color:var(--c-primary);background:var(--c-primary-soft)}
.header-quick{font-size:14px;font-weight:600;color:var(--t-sub);padding:8px 4px}
.header-quick:hover{color:var(--c-primary)}
.header-channels{background:#F7FAFE;border-bottom:1px solid var(--c-border)}
.header-channels__inner{display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.header-channels__inner::-webkit-scrollbar{display:none}
.channel-link{position:relative;flex:0 0 auto;padding:13px 16px;font-size:14px;color:var(--t-sub);border-radius:8px 8px 0 0;transition:color .18s ease,background-color .18s ease}
.channel-link:hover,.channel-link:focus{color:var(--c-primary);background:var(--c-primary-soft)}
.channel-link.is-active{color:var(--c-primary);font-weight:600}
.channel-link.is-active::after{content:"";position:absolute;left:16px;right:16px;bottom:0;height:3px;border-radius:3px 3px 0 0;background:var(--c-accent)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background-image:linear-gradient(180deg,rgba(22,103,204,.10),rgba(244,247,251,.92) 72%,#F4F7FB),url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center}
.hero__grid{padding:72px 0 88px;align-items:center}
.hero__badge{display:inline-flex;align-items:center;gap:9px;padding:6px 15px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--c-primary-soft-2);color:var(--c-primary);font-size:13px;font-weight:600;letter-spacing:.02em;box-shadow:var(--sh-card)}
.dot{width:8px;height:8px;border-radius:50%;background:var(--c-accent);box-shadow:0 0 0 4px rgba(242,112,58,.18);flex:0 0 auto}
.hero h1{margin-top:22px;font-size:41px;line-height:1.26;font-weight:700;letter-spacing:-.012em;max-width:600px}
.hero__sub{margin-top:18px;font-size:17px;line-height:1.85;color:var(--t-sub);max-width:560px}
.hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero__points{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:28px}
.hero__point{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--t-sub)}
.hero__point i{color:var(--c-teal);font-size:13px}
.hero__media{position:relative;margin-bottom:18px}
.hero__media img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:16px;box-shadow:0 28px 54px -26px rgba(16,35,64,.45)}
.live-card{position:absolute;right:-6px;bottom:-28px;width:252px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:16px 18px;box-shadow:0 20px 42px -18px rgba(16,35,64,.34)}
.live-card__top{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--c-teal);letter-spacing:.02em}
.live-card__row{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--t-weak);padding:5px 0}
.live-card__row strong{color:var(--t-main);font-weight:600;font-variant-numeric:tabular-nums}
.live-card__bar{margin-top:10px;height:8px;border-radius:var(--r-pill);background:#E1E8F2;overflow:hidden}
.live-card__bar i{display:block;height:100%;border-radius:var(--r-pill);background:var(--c-teal)}

/* ---------- Stats ---------- */
.stats{background:#fff;border-top:1px solid var(--c-border);border-bottom:1px solid var(--c-border)}
.stats__grid{padding:28px 0}
.stat{display:flex;flex-direction:column;gap:2px;padding:6px 10px}
.stat__num{font-size:30px;font-weight:700;color:var(--c-primary);line-height:1.2;font-variant-numeric:tabular-nums}
.stat__num small{font-size:15px;font-weight:600;margin-left:2px}
.stat__label{font-size:13px;color:var(--t-weak);letter-spacing:.02em}

/* ---------- Steps ---------- */
.steps__intro .section__title{font-size:26px}
.steps__list{display:flex;flex-direction:column;gap:16px}
.step-card{position:relative;background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);padding:22px 26px;box-shadow:var(--sh-card);transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease}
.step-card:nth-child(odd){margin-right:30px}
.step-card:nth-child(even){margin-left:30px}
.step-card:hover{box-shadow:var(--sh-hover);transform:translateY(-2px);border-color:var(--c-primary-soft-2)}
.step-card__num{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:50%;background:var(--c-accent-soft);color:var(--c-accent);font-size:13px;font-weight:700;font-variant-numeric:tabular-nums}
.step-card__title{margin-top:12px;font-size:19px;font-weight:700;line-height:1.5}
.step-card__text{margin-top:8px;font-size:15px;color:var(--t-sub)}
.steps__figure{margin-top:22px;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card)}
.steps__figure img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0}

/* ---------- Cards ---------- */
.card{position:relative;background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);box-shadow:var(--sh-card);overflow:hidden;transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease}
.card::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;z-index:2}
.card:hover{box-shadow:var(--sh-hover);transform:translateY(-2px);border-color:var(--c-primary-soft-2)}
.card:hover::before{transform:scaleX(1)}
.card:hover .post-card__title a{color:var(--c-primary)}
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:var(--r-pill);font-size:12.5px;font-weight:600;letter-spacing:.02em;line-height:1.6}
.badge--cat{background:var(--c-primary-soft);color:var(--c-primary)}
.badge--state{background:var(--c-teal-soft);color:var(--c-teal)}
.badge--accent{background:var(--c-accent-soft);color:var(--c-accent)}

/* ---------- Reward matrix ---------- */
.reward-card{position:relative;background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);box-shadow:var(--sh-card);overflow:hidden;transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease}
.reward-card::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;z-index:2}
.reward-card:hover{box-shadow:var(--sh-hover);transform:translateY(-2px);border-color:var(--c-primary-soft-2)}
.reward-card:hover::before{transform:scaleX(1)}
.reward-card--lg{height:100%;display:flex;flex-direction:column}
.reward-card--lg img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0}
.reward-card__body{padding:26px 28px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto}
.reward-card__head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.reward-card__title{font-size:21px;font-weight:700;line-height:1.45}
.reward-card__desc{font-size:15px;color:var(--t-sub)}
.reward-card__list{display:flex;flex-direction:column;gap:9px;margin-top:2px}
.reward-card__list li{display:flex;align-items:flex-start;gap:9px;font-size:14.5px;color:var(--t-sub)}
.reward-card__list i{color:var(--c-teal);margin-top:6px;font-size:12px}
.reward-card__foot{margin-top:auto;padding-top:6px}
.reward-stack{display:flex;flex-direction:column;gap:20px;height:100%}
.reward-stack .reward-card{flex:1 1 auto}

/* ---------- Milestones ---------- */
.milestones{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:28px}
.milestone{display:flex;flex-direction:column;gap:10px}
.milestone__dot{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:#E1E8F2;color:var(--t-weak);font-size:12px;font-weight:700;font-variant-numeric:tabular-nums}
.milestone.is-done .milestone__dot{background:var(--c-teal);color:#fff}
.milestone.is-current .milestone__dot{background:var(--c-primary);color:#fff;box-shadow:0 0 0 4px var(--c-primary-soft)}
.milestone__label{font-size:14px;font-weight:600;color:var(--t-main)}
.milestone__hint{font-size:13px;color:var(--t-weak)}
.progress-track{height:8px;border-radius:var(--r-pill);background:#E1E8F2;overflow:hidden}
.progress-track i{display:block;height:100%;border-radius:var(--r-pill);background:var(--c-teal)}
.status-card{background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);padding:26px 28px;box-shadow:var(--sh-card);height:100%;display:flex;flex-direction:column;gap:14px}
.status-card__row{display:flex;align-items:center;justify-content:space-between;gap:14px;font-size:14px;color:var(--t-weak);padding-bottom:12px;border-bottom:1px dashed var(--c-border)}
.status-card__row:last-of-type{border-bottom:0;padding-bottom:0}
.status-card__row strong{color:var(--t-main);font-weight:600;font-size:15px}
.status-card .btn{margin-top:auto}

/* ---------- Post cards (CMS) ---------- */
.post-card__thumb{display:block;overflow:hidden;background:var(--bg-alt)}
.post-card__thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;transition:transform .35s ease}
.card:hover .post-card__thumb img{transform:scale(1.03)}
.post-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px}
.post-card__title{font-size:17px;font-weight:700;line-height:1.55}
.post-card__title a{color:var(--t-main)}
.post-card__title a:hover{color:var(--c-primary)}
.post-card__excerpt{font-size:14.5px;color:var(--t-sub);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card__meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:auto;padding-top:6px;font-size:13px;color:var(--t-weak);font-variant-numeric:tabular-nums}
.post-card--lead{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);align-items:stretch}
.post-card--lead .post-card__thumb{height:100%}
.post-card--lead .post-card__thumb img{height:100%;aspect-ratio:auto;min-height:264px}
.post-card--lead .post-card__body{padding:28px 30px}
.post-card--lead .post-card__title{font-size:22px;line-height:1.5}
.post-card--lead .post-card__excerpt{font-size:15.5px;-webkit-line-clamp:3}
.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:48px 20px;background:#fff;border:1px dashed var(--c-border);border-radius:var(--r-card);color:var(--t-weak);font-size:15px;text-align:center}
.empty-state i{font-size:26px;color:var(--c-primary-soft-2)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto}
.faq.accordion{border:0;background:transparent;border-radius:0}
.faq .accordion-item{background:#fff;border:1px solid var(--c-border);border-radius:12px;margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-card);transition:box-shadow .2s ease,border-color .2s ease}
.faq .accordion-item:hover{box-shadow:var(--sh-hover);border-color:var(--c-primary-soft-2)}
.faq .accordion-item:last-child{margin-bottom:0}
.faq .accordion-title{display:flex;align-items:center;gap:16px;padding:19px 22px;font-size:16px;font-weight:600;color:var(--t-main);background:#fff;border:0;transition:background-color .18s ease,color .18s ease}
.faq .accordion-title:hover,.faq .accordion-title:focus{background:var(--c-primary-soft);color:var(--c-primary)}
.faq .accordion-title::before{content:"+";position:static;margin-left:auto;order:2;font-size:20px;line-height:1;font-weight:400;color:var(--c-primary);flex:0 0 auto}
.faq .accordion-item.is-active .accordion-title::before{content:"–"}
.faq .accordion-content{padding:0 22px 20px;border:0;background:#fff;color:var(--t-sub);font-size:15px;line-height:1.85}
.faq .accordion-content p{margin:0}

/* ---------- CTA band ---------- */
.cta-band{background:var(--c-primary-soft);padding:78px 0;text-align:center}
.cta-band__title{font-size:28px;font-weight:700;line-height:1.45}
.cta-band__text{margin:14px auto 0;max-width:640px;color:var(--t-sub);font-size:16px}
.cta-band__actions{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;margin-top:28px}

/* ---------- Footer ---------- */
.site-footer{background:#16233A;color:rgba(255,255,255,.72);padding-top:64px}
.footer-grid{padding-bottom:48px}
.footer-brand__logo{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:700;letter-spacing:.01em}
.footer-brand__logo:hover{color:#fff}
.footer-brand__logo i{color:var(--c-accent)}
.footer-brand__text{margin-top:16px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);max-width:320px}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;letter-spacing:.02em}
.footer-col li a{display:inline-block;padding:6px 0;font-size:14px;color:rgba(255,255,255,.68)}
.footer-col li a:hover,.footer-col li a:focus{color:#fff}
.footer-meta{margin-top:12px;font-size:13px;color:rgba(255,255,255,.5);font-variant-numeric:tabular-nums}
.footer-bottom{margin-top:8px;border-top:1px solid rgba(255,255,255,.12);padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5)}
.footer-bottom a{color:rgba(255,255,255,.68)}
.footer-bottom a:hover{color:#fff}

/* ---------- Responsive ---------- */
@media screen and (max-width:1023px){
  :root{--sp-section:64px}
  .hero__grid{padding:52px 0 66px}
  .hero h1{font-size:32px}
  .hero__sub{font-size:16px}
  .section__title{font-size:24px}
  .post-card--lead{grid-template-columns:minmax(0,1fr)}
  .post-card--lead .post-card__thumb img{min-height:0;aspect-ratio:16/9}
  .post-card--lead .post-card__body{padding:24px 24px 26px}
  .live-card{position:static;width:100%;margin-top:18px}
  .hero__media{margin-bottom:0}
}
@media screen and (max-width:767px){
  .header-brand__inner{min-height:62px;gap:12px}
  .logo{font-size:17px}
  .header-search input{width:150px}
  .header-quick{display:none}
  .steps__list{gap:14px}
  .step-card:nth-child(odd){margin-right:0}
  .step-card:nth-child(even){margin-left:0}
  .milestones{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 14px}
  .cta-band{padding:58px 0}
  .cta-band__title{font-size:23px}
}
@media screen and (max-width:519px){
  .container{padding:0 16px}
  :root{--sp-section:48px}
  .hero__grid{padding:40px 0 54px}
  .hero h1{font-size:27px;line-height:1.35}
  .hero__sub{font-size:15px}
  .hero__actions .btn{flex:1 1 100%}
  .section__title{font-size:22px}
  .header-search{display:none}
  .section__head--row{align-items:flex-start;gap:16px}
  .stat__num{font-size:25px}
  .reward-card__body{padding:22px 20px}
  .status-card{padding:22px 20px}
  .cta-band__actions .btn{flex:1 1 100%}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}

/* roulang page: article */
:root{
  --c-primary:#1667CC;
  --c-primary-hover:#0F55AE;
  --c-primary-active:#0C4792;
  --c-primary-50:#EAF2FF;
  --c-primary-100:#D8E7FB;
  --c-accent:#F2703A;
  --c-accent-hover:#DA5C28;
  --c-teal:#12A08A;
  --c-teal-50:#E4F6F2;
  --bg:#F4F7FB;
  --bg-alt:#EDF2F9;
  --card:#FFFFFF;
  --border:#E1E8F2;
  --divider:#EEF3F9;
  --t-main:#16233A;
  --t-sub:#5A6B85;
  --t-weak:#8A98AE;
  --t-invert:#FFFFFF;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,35,64,.06), 0 10px 26px -14px rgba(16,35,64,.16);
  --sh-2:0 2px 4px rgba(16,35,64,.08), 0 18px 40px -18px rgba(16,35,64,.22);
  --sec:96px;
  --font:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--t-main);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;height:auto;display:block;border:0}
h1,h2,h3,h4,h5{margin:0;font-weight:700;color:var(--t-main);line-height:1.35;letter-spacing:0}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
a:hover{color:var(--c-accent)}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.2;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,border-color .18s ease,color .18s ease;
}
.btn--primary{background:var(--c-accent);color:#fff;box-shadow:0 8px 18px -10px rgba(242,112,58,.75)}
.btn--primary:hover{background:var(--c-accent-hover);color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px -10px rgba(242,112,58,.85)}
.btn--primary:active{transform:translateY(0)}
.btn--outline{background:#fff;color:var(--c-primary);border-color:var(--border)}
.btn--outline:hover{background:var(--c-primary-50);border-color:var(--c-primary);color:var(--c-primary)}
.btn--ghost{background:transparent;color:var(--c-primary);padding:10px 4px}
.btn--ghost:hover{color:var(--c-accent)}
.btn--ghost i{transition:transform .2s ease}
.btn--ghost:hover i{transform:translateX(3px)}
.btn--sm{padding:9px 16px;font-size:14px}
.btn--lg{padding:15px 30px;font-size:16px}

/* ---------- header ---------- */
.site-header{position:relative;z-index:40;background:#fff}
.header-brand{background:#fff;border-bottom:1px solid var(--border)}
.header-brand__inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}
.logo{display:inline-flex;align-items:center;gap:11px;color:var(--t-main);font-weight:700;font-size:19px;letter-spacing:.01em}
.logo:hover{color:var(--c-primary)}
.logo__mark{display:inline-flex;align-items:flex-end;gap:3px;height:22px}
.logo__mark i{display:block;width:4px;border-radius:2px;background:var(--c-primary)}
.logo__mark i:nth-child(1){height:11px}
.logo__mark i:nth-child(2){height:17px;background:var(--c-accent)}
.logo__mark i:nth-child(3){height:22px}
.logo__text{white-space:nowrap}
.header-tools{display:flex;align-items:center;gap:14px}
.header-search{display:flex;align-items:center;background:#F7FAFE;border:1px solid var(--border);border-radius:var(--r-btn);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.header-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px var(--c-primary-50)}
.header-search input{width:210px;border:0;background:transparent;padding:9px 12px;font-size:14px;outline:none}
.header-search input::placeholder{color:var(--t-weak)}
.header-search button{border:0;background:transparent;padding:9px 12px;color:var(--t-sub);transition:color .2s ease}
.header-search button:hover{color:var(--c-primary)}
.header-quick{font-size:14px;color:var(--t-sub);padding:8px 10px;border-radius:8px}
.header-quick:hover{color:var(--c-primary);background:var(--c-primary-50)}
.header-channels{background:#F7FAFE;border-bottom:1px solid var(--border)}
.header-channels__inner{display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none}
.header-channels__inner::-webkit-scrollbar{display:none}
.channel-link{
  position:relative;display:inline-block;padding:13px 16px;font-size:14px;font-weight:500;
  color:var(--t-sub);white-space:nowrap;border-bottom:2px solid transparent;
}
.channel-link:hover{color:var(--c-primary)}
.channel-link.is-active{color:var(--c-primary);font-weight:600;border-bottom-color:var(--c-accent)}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;background:#EAF2FF url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding:44px 0 40px;overflow:hidden;
}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(234,242,255,.94),rgba(234,242,255,.72));}
.page-hero .container{position:relative;z-index:2}

/* ---------- breadcrumb ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:13px;color:var(--t-sub);margin-bottom:18px}
.breadcrumb a{color:var(--t-sub)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{color:var(--t-weak)}
.breadcrumb .current{color:var(--t-main);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- article layout ---------- */
.article-section{padding:44px 0 72px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:40px;align-items:start}
.article-main{max-width:760px;margin:0 auto;width:100%}
.article-shell{background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:36px 40px 40px}
.tag-badge{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--c-primary-50);color:var(--c-primary);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
  padding:5px 12px;border-radius:var(--r-pill);
}
.article-title{font-size:40px;line-height:1.25;font-weight:700;margin:16px 0 0}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px;font-size:14px;color:var(--t-sub)}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-meta i{color:var(--t-weak);font-size:12px}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--border);display:inline-block}
.article-cover{margin-top:26px;border-radius:var(--r-img);overflow:hidden;background:var(--bg-alt);aspect-ratio:16/9;box-shadow:var(--sh-1)}
.article-cover img{width:100%;height:100%;object-fit:cover}

/* ---------- article body ---------- */
.article-body{margin-top:32px;font-size:16.5px;line-height:1.9;color:#22304A}
.article-body p{margin:0 0 18px}
.article-body h2{
  font-size:26px;line-height:1.4;margin:40px 0 16px;padding-left:14px;
  border-left:4px solid var(--c-primary);
}
.article-body h3{font-size:20px;margin:28px 0 12px}
.article-body h4{font-size:16.5px;margin:22px 0 10px}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:8px}
.article-body a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--c-accent)}
.article-body blockquote{
  margin:22px 0;padding:16px 20px;background:var(--c-primary-50);
  border-left:4px solid var(--c-teal);border-radius:0 10px 10px 0;color:var(--t-sub);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:20px 0}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px}
.article-body th{background:var(--c-primary-50);color:var(--c-primary);text-align:left;font-weight:600}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--divider);height:48px}
.article-body tbody tr:nth-child(even){background:#FAFCFF}
.article-body code{background:var(--bg-alt);border-radius:6px;padding:2px 6px;font-size:14px;color:var(--c-primary-active)}
.article-body figure{margin:22px 0}
.article-body figcaption{font-size:13.5px;color:var(--t-weak);text-align:center;margin-top:8px}
.article-body hr{border:0;border-top:1px solid var(--divider);margin:32px 0}

/* ---------- empty state ---------- */
.empty-state{
  text-align:center;padding:56px 20px;border:1px dashed var(--border);
  border-radius:var(--r-card);background:#FAFCFF;
}
.empty-state i{font-size:30px;color:var(--t-weak)}
.empty-state h2{font-size:20px;margin:14px 0 8px}
.empty-state p{color:var(--t-sub);font-size:15px;margin-bottom:20px}

/* ---------- tags ---------- */
.article-tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:36px;padding-top:26px;border-top:1px solid var(--divider)}
.article-tags__label{font-size:13.5px;color:var(--t-weak);margin-right:2px}
.tag-chip{
  display:inline-block;padding:6px 14px;border-radius:var(--r-pill);
  background:var(--bg-alt);color:var(--t-sub);font-size:13px;
  transition:background-color .2s ease,color .2s ease;
}
.tag-chip:hover{background:var(--c-primary-50);color:var(--c-primary)}

/* ---------- sidebar toc ---------- */
.article-aside{display:none}
.toc-card{position:sticky;top:24px;background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:22px}
.toc-card h3{font-size:15px;margin-bottom:14px}
.toc-card ol{list-style:none;padding:0;margin:0}
.toc-card li{margin-bottom:4px}
.toc-card a{
  display:block;padding:8px 10px;border-left:3px solid transparent;
  font-size:14px;color:var(--t-sub);border-radius:0 8px 8px 0;
}
.toc-card a:hover{background:var(--bg-alt);color:var(--c-primary)}
.toc-card a.is-active{border-left-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-50);font-weight:600}
.aside-note{margin-top:14px;padding:14px 16px;background:var(--c-teal-50);border-radius:10px;font-size:13.5px;color:#0C6A5B;line-height:1.7}

/* ---------- related ---------- */
.related-section{padding:0 0 80px}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:26px}
.section-head h2{font-size:27px}
.section-head p{font-size:15px;color:var(--t-sub);margin-top:8px;max-width:620px}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  position:relative;background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;display:flex;flex-direction:column;
  transition:box-shadow .22s ease,transform .22s ease;
}
.card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
.card:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.card:hover::before{transform:scaleX(1)}
.card__media{aspect-ratio:16/9;overflow:hidden;background:var(--bg-alt)}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card:hover .card__media img{transform:scale(1.04)}
.card__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card__title{font-size:18px;line-height:1.45}
.card__title a{color:var(--t-main)}
.card__title a:hover{color:var(--c-primary)}
.card__text{font-size:14.5px;color:var(--t-sub);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card__foot{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--t-weak);margin-top:auto;padding-top:6px;border-top:1px solid var(--divider)}
.card__foot .more{color:var(--c-primary);font-weight:600}
.card__foot .more:hover{color:var(--c-accent)}

/* ---------- back bar ---------- */
.back-bar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;margin-top:28px;padding:20px 24px;background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);box-shadow:var(--sh-1)}
.back-bar p{font-size:14.5px;color:var(--t-sub)}

/* ---------- cta strip ---------- */
.cta-strip{background:var(--c-primary-50);border-top:1px solid var(--border);padding:64px 0}
.cta-strip__inner{text-align:center;max-width:720px;margin:0 auto}
.cta-strip h2{font-size:27px;margin-bottom:12px}
.cta-strip p{color:var(--t-sub);font-size:15.5px;margin-bottom:24px}
.cta-strip .btn-row{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}

/* ---------- footer ---------- */
.site-footer{background:#16233A;color:#C6D2E4;padding:64px 0 0;margin-top:0}
.footer-grid{padding-bottom:40px}
.footer-brand__logo{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:700}
.footer-brand__logo i{color:var(--c-accent)}
.footer-brand__logo:hover{color:#fff}
.footer-brand__text{font-size:14px;line-height:1.8;color:#96A6BF;margin-top:14px;max-width:360px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14px;color:#96A6BF}
.footer-col ul li a:hover{color:#fff}
.footer-meta{font-size:13.5px;color:#7C8DA6;margin-top:14px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.09);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13.5px;color:#7C8DA6;
}

/* ---------- responsive ---------- */
@media screen and (min-width:1280px){
  .article-layout{grid-template-columns:minmax(0,1fr) 268px}
  .article-aside{display:block}
  .article-main{margin:0}
}
@media screen and (max-width:1024px){
  :root{--sec:64px}
  .container{padding:0 18px}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
  .header-search input{width:160px}
  .article-title{font-size:34px}
}
@media screen and (max-width:768px){
  body{font-size:15.5px}
  .header-brand__inner{flex-wrap:wrap;gap:14px;padding:12px 18px;min-height:0}
  .header-tools{width:100%;flex-wrap:wrap;gap:10px}
  .header-search{flex:1 1 180px}
  .header-search input{width:100%}
  .header-quick{display:none}
  .header-channels__inner{padding:0 6px}
  .page-hero{padding:32px 0 30px}
  .article-section{padding:30px 0 52px}
  .article-shell{padding:24px 20px 28px}
  .article-title{font-size:28px}
  .article-body{font-size:16px;margin-top:26px}
  .article-body h2{font-size:22px;margin-top:32px}
  .article-body h3{font-size:18.5px}
  .related-grid{grid-template-columns:minmax(0,1fr)}
  .section-head h2{font-size:23px}
  .cta-strip{padding:48px 0}
  .site-footer{padding:48px 0 0}
  .footer-grid{padding-bottom:28px}
  .footer-brand__text{max-width:100%}
  .footer-bottom{flex-direction:column}
}
@media screen and (max-width:520px){
  .container{padding:0 16px}
  .logo{font-size:17px}
  .article-title{font-size:25px}
  .article-shell{padding:20px 16px 24px}
  .btn{width:100%}
  .btn--sm{width:auto}
  .cta-strip .btn-row .btn{width:100%}
  .back-bar{flex-direction:column;align-items:stretch;text-align:center}
  .breadcrumb .current{max-width:100%;white-space:normal}
}

/* roulang page: category1 */
:root{
  --c-primary:#1667CC;
  --c-primary-hover:#0F55AE;
  --c-primary-active:#0C4792;
  --c-primary-soft:#EAF2FF;
  --c-primary-soft2:#D8E7FB;
  --c-accent:#F2703A;
  --c-accent-hover:#DA5C28;
  --c-teal:#12A08A;
  --c-teal-soft:#E4F5F1;
  --c-danger:#D64545;
  --bg-page:#F4F7FB;
  --bg-alt:#EDF2F9;
  --bg-card:#FFFFFF;
  --bd:#E1E8F2;
  --line:#EEF3F9;
  --tx-main:#16233A;
  --tx-sub:#5A6B85;
  --tx-weak:#8A98AE;
  --tx-invert:#FFFFFF;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(16,35,64,.06),0 10px 26px -14px rgba(16,35,64,.16);
  --sh-2:0 2px 4px rgba(16,35,64,.08),0 18px 40px -18px rgba(16,35,64,.22);
  --container:1200px;
  --font:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--tx-main);
  background:var(--bg-page);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:var(--font);color:var(--tx-main);margin:0 0 14px;font-weight:700;letter-spacing:.01em}
h1{font-size:40px;line-height:1.25}
h2{font-size:27px;line-height:1.35}
h3{font-size:19px;line-height:1.45;font-weight:700}
h4{font-size:16px;font-weight:700}
p{margin:0 0 16px}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--c-accent)}
img{max-width:100%;display:block;border-radius:var(--r-img)}
button{font-family:inherit}
ul,ol{margin:0 0 16px;padding-left:20px}
li{margin-bottom:6px}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
@media (min-width:1400px){.container{max-width:1240px}}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ============ header ============ */
.site-header{background:#fff;position:relative;z-index:60}
.header-brand{border-bottom:1px solid var(--bd);background:#fff}
.header-brand__inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:68px;padding-top:10px;padding-bottom:10px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo:hover{color:var(--tx-main)}
.logo__mark{display:inline-flex;align-items:flex-end;gap:3px;height:22px}
.logo__mark i{display:block;width:5px;border-radius:3px;background:var(--c-primary)}
.logo__mark i:nth-child(1){height:12px;background:var(--c-primary-soft2)}
.logo__mark i:nth-child(2){height:18px;background:var(--c-primary)}
.logo__mark i:nth-child(3){height:22px;background:var(--c-accent)}
.logo__text{font-size:19px;font-weight:700;color:var(--tx-main);letter-spacing:.01em;white-space:nowrap}
.header-tools{display:flex;align-items:center;gap:14px;margin-left:auto}
.header-search{display:flex;align-items:center;background:#F7FAFE;border:1px solid var(--bd);border-radius:var(--r-input);overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease}
.header-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px var(--c-primary-soft)}
.header-search input{border:0;background:transparent;padding:9px 12px;font-size:14px;width:190px;color:var(--tx-main);outline:none}
.header-search input::placeholder{color:var(--tx-weak)}
.header-search button{border:0;background:transparent;color:var(--c-primary);padding:9px 12px;cursor:pointer;font-size:14px}
.header-search button:hover{color:var(--c-accent)}
.header-quick{font-size:14px;color:var(--tx-sub);padding:6px 2px;border-bottom:2px solid transparent}
.header-quick:hover{color:var(--c-primary);border-bottom-color:var(--c-primary-soft2)}
.header-channels{background:#F7FAFE;border-bottom:1px solid var(--bd)}
.header-channels__inner{display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none}
.header-channels__inner::-webkit-scrollbar{display:none}
.channel-link{display:inline-block;padding:13px 16px;font-size:14px;color:var(--tx-sub);white-space:nowrap;border-bottom:3px solid transparent;transition:color .18s ease,border-color .18s ease}
.channel-link:hover{color:var(--c-primary)}
.channel-link.is-active{color:var(--c-primary);font-weight:700;border-bottom-color:var(--c-accent)}

/* ============ buttons / badges ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-btn);font-size:15px;font-weight:600;padding:13px 24px;border:1px solid transparent;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;text-align:center;line-height:1.2}
.btn--primary{background:var(--c-accent);color:#fff;box-shadow:0 10px 22px -12px rgba(242,112,58,.75)}
.btn--primary:hover{background:var(--c-accent-hover);color:#fff;transform:translateY(-1px);box-shadow:0 16px 30px -14px rgba(242,112,58,.8)}
.btn--primary:active{background:#C4501F;transform:translateY(0)}
.btn--ghost{background:#fff;color:var(--c-primary);border-color:var(--bd);box-shadow:var(--sh-1)}
.btn--ghost:hover{border-color:var(--c-primary);background:var(--c-primary-soft);color:var(--c-primary);transform:translateY(-1px)}
.btn--text{background:transparent;color:var(--c-primary);padding:8px 0;border:0;font-weight:600}
.btn--text:hover{color:var(--c-accent)}
.btn--sm{padding:9px 16px;font-size:14px;border-radius:9px}
.btn--block{width:100%}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;letter-spacing:.02em;padding:6px 12px;border-radius:999px;line-height:1.2}
.badge--primary{background:var(--c-primary-soft);color:var(--c-primary)}
.badge--teal{background:var(--c-teal-soft);color:var(--c-teal)}
.badge--plain{background:#F1F5FA;color:var(--tx-sub)}
.dot-live{width:7px;height:7px;border-radius:50%;background:var(--c-teal);display:inline-block;box-shadow:0 0 0 4px rgba(18,160,138,.16)}

/* ============ channel KV ============ */
.channel-kv{position:relative;background-color:#0F2A4D;background-size:cover;background-position:center;min-height:340px;display:flex;align-items:center;overflow:hidden}
.channel-kv::before{content:"";position:absolute;inset:0;background:linear-gradient(105deg,rgba(12,71,146,.9) 0%,rgba(22,103,204,.78) 46%,rgba(22,103,204,.42) 100%)}
.channel-kv__inner{position:relative;z-index:2;padding-top:52px;padding-bottom:52px}
.channel-kv__box{max-width:640px}
.channel-kv h1{color:#fff;font-size:36px;margin:16px 0 14px}
.channel-kv p{color:rgba(255,255,255,.9);font-size:16px;line-height:1.8;margin:0}
.channel-kv .badge{background:rgba(255,255,255,.16);color:#fff;backdrop-filter:blur(2px)}
.channel-kv .btn--ghost{background:rgba(255,255,255,.94);border-color:transparent;color:var(--c-primary)}
.channel-kv .btn--ghost:hover{background:#fff;color:var(--c-primary-hover)}

/* ============ sections ============ */
.section{padding:88px 0}
.section--alt{background:var(--bg-alt)}
.section--tight{padding:64px 0}
.section-head{max-width:720px;margin-bottom:38px}
.section-head p{color:var(--tx-sub);font-size:16px;margin:0}
.section-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none}
.section-head--row .section-head__text{max-width:680px}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--c-primary);background:var(--c-primary-soft);padding:5px 12px;border-radius:999px;margin-bottom:14px}

/* ============ intro two-col ============ */
.intro-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.intro-list{list-style:none;padding:0;margin:26px 0 0}
.intro-list li{position:relative;padding-left:30px;margin-bottom:14px;color:var(--tx-sub);font-size:15.5px}
.intro-list li::before{content:"";position:absolute;left:0;top:10px;width:14px;height:14px;border-radius:5px;background:var(--c-primary-soft2);border:2px solid var(--c-primary);box-sizing:border-box}
.intro-figure{position:relative}
.intro-figure img{border-radius:16px;box-shadow:var(--sh-2);width:100%;height:100%;object-fit:cover}
.intro-figure__tag{position:absolute;left:18px;bottom:18px;background:#fff;border-radius:12px;padding:12px 16px;box-shadow:var(--sh-2);display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--tx-sub)}
.intro-figure__tag strong{display:block;color:var(--tx-main);font-size:15px}

/* ============ stats ============ */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat-card{background:var(--bg-card);border:1px solid var(--bd);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1)}
.stat-card b{display:block;font-size:30px;font-weight:700;color:var(--c-primary);line-height:1.2}
.stat-card span{display:block;margin-top:6px;font-size:13px;color:var(--tx-sub)}

/* ============ live cards ============ */
.live-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr;gap:22px}
.live-card{background:var(--bg-card);border:1px solid var(--bd);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);position:relative;display:flex;flex-direction:column;transition:box-shadow .2s ease,transform .2s ease}
.live-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--c-primary);opacity:0;transition:opacity .2s ease}
.live-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.live-card:hover::before{opacity:1}
.live-card:hover .live-card__title{color:var(--c-primary)}
.live-card__media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#DCE6F3}
.live-card__media img{width:100%;height:100%;object-fit:cover;border-radius:0}
.live-card__media .badge{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.94)}
.live-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.live-card__time{font-size:13px;color:var(--tx-weak);display:flex;align-items:center;gap:8px;margin-bottom:8px}
.live-card__title{font-size:18px;margin:0 0 8px;transition:color .18s ease}
.live-card__desc{font-size:14.5px;color:var(--tx-sub);margin:0 0 16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.live-card__foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;padding-top:14px;border-top:1px solid var(--line);font-size:13.5px;color:var(--tx-weak)}
.live-card--feature{grid-row:span 1}
.live-card--feature .live-card__title{font-size:22px}
.live-card--feature .live-card__media{aspect-ratio:16/8}
.live-card--feature .live-card__desc{-webkit-line-clamp:3}
.live-list{grid-column:1 / -1;display:grid;grid-template-columns:1fr;gap:0;border:1px solid var(--bd);border-radius:var(--r-card);background:#fff;box-shadow:var(--sh-1);overflow:hidden}
.live-row{display:flex;align-items:center;gap:18px;padding:18px 22px;border-bottom:1px solid var(--line);transition:background-color .18s ease}
.live-row:last-child{border-bottom:0}
.live-row:hover{background:#F8FBFF}
.live-row__time{flex:0 0 92px;font-size:13.5px;color:var(--tx-weak)}
.live-row__title{flex:1;font-size:15.5px;font-weight:600;color:var(--tx-main);margin:0}
.live-row__meta{font-size:13.5px;color:var(--tx-sub)}
.live-row__arrow{color:var(--c-primary);font-size:14px}

/* ============ steps ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step}
.step{background:var(--bg-card);border:1px solid var(--bd);border-radius:var(--r-card);padding:26px 24px;box-shadow:var(--sh-1);position:relative}
.step__no{width:34px;height:34px;border-radius:50%;background:var(--c-accent);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;margin-bottom:16px}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14.5px;color:var(--tx-sub);margin:0}
.step::after{content:"";position:absolute;right:-13px;top:42px;width:26px;height:2px;background:repeating-linear-gradient(90deg,var(--c-primary-soft2) 0 5px,transparent 5px 10px)}
.step:last-child::after{display:none}

/* ============ accordion FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-wrap .accordion{border:0;background:transparent}
.faq-wrap .accordion-item{border:1px solid var(--bd);border-radius:var(--r-card);background:#fff;box-shadow:var(--sh-1);margin-bottom:14px;overflow:hidden}
.faq-wrap .accordion-title{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;font-size:16px;font-weight:700;color:var(--tx-main);border:0;background:#fff;transition:color .18s ease,background-color .18s ease}
.faq-wrap .accordion-title::before{content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;font-size:13px;color:var(--c-primary);order:2;background:var(--c-primary-soft);width:28px;height:28px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;flex:0 0 28px;transition:transform .2s ease}
.faq-wrap .accordion-title:hover{color:var(--c-primary);background:#F8FBFF}
.faq-wrap .is-active>.accordion-title{color:var(--c-primary)}
.faq-wrap .is-active>.accordion-title::before{content:"\f068";transform:rotate(180deg)}
.faq-wrap .accordion-content{padding:0 24px 22px;color:var(--tx-sub);font-size:15.5px;border:0;background:#fff}
.faq-wrap .accordion-content p:last-child{margin-bottom:0}

/* ============ note card ============ */
.note-card{background:var(--c-primary-soft);border-radius:var(--r-card);padding:26px 28px;border-left:4px solid var(--c-teal);display:flex;gap:18px;align-items:flex-start;box-shadow:var(--sh-1)}
.note-card i{color:var(--c-teal);font-size:20px;margin-top:4px}
.note-card h3{margin-bottom:6px;font-size:17px}
.note-card p{margin:0;color:var(--tx-sub);font-size:15px}

/* ============ CTA band ============ */
.cta-band{background:var(--c-primary-soft);padding:72px 0}
.cta-band__inner{text-align:center;max-width:680px;margin:0 auto}
.cta-band h2{margin-bottom:12px}
.cta-band p{color:var(--tx-sub);margin-bottom:26px}
.cta-band .btn-row{justify-content:center;margin-top:0}

/* ============ footer ============ */
.site-footer{background:#16233A;color:rgba(255,255,255,.72);padding:64px 0 0;font-size:14.5px}
.footer-grid{padding-bottom:36px}
.footer-brand__logo{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:700;margin-bottom:14px}
.footer-brand__logo i{color:var(--c-accent)}
.footer-brand__logo:hover{color:#fff}
.footer-brand__text{color:rgba(255,255,255,.62);line-height:1.85;margin:0;font-size:14px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:14px}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col li{margin-bottom:9px}
.footer-col a{color:rgba(255,255,255,.68);font-size:14px}
.footer-col a:hover{color:#fff}
.footer-meta{margin:14px 0 0;color:rgba(255,255,255,.5);font-size:13px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;color:rgba(255,255,255,.5);font-size:13px}

/* ============ responsive ============ */
@media (max-width:1024px){
  h1{font-size:32px}
  h2{font-size:24px}
  .section{padding:64px 0}
  .intro-grid{grid-template-columns:1fr;gap:34px}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .live-grid{grid-template-columns:1fr 1fr}
  .live-card--feature{grid-column:1 / -1}
  .steps{grid-template-columns:1fr 1fr}
  .step::after{display:none}
  .header-search input{width:150px}
}
@media (max-width:768px){
  .header-brand__inner{flex-wrap:wrap;gap:12px;padding-top:12px;padding-bottom:12px}
  .header-tools{width:100%;flex-wrap:wrap;gap:10px}
  .header-search{flex:1 1 180px}
  .header-search input{width:100%}
  .header-quick{display:none}
  .header-channels__inner{position:sticky;top:0}
  .channel-kv{min-height:300px}
  .channel-kv h1{font-size:27px}
  .channel-kv__inner{padding-top:40px;padding-bottom:40px}
  .section{padding:48px 0}
  .live-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:6px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  h1{font-size:26px}
  h2{font-size:22px}
  .stat-grid{grid-template-columns:1fr}
  .live-row{flex-wrap:wrap;gap:8px}
  .live-row__time{flex:0 0 auto}
  .live-row__title{flex:1 1 100%}
  .logo__text{font-size:16px}
  .faq-wrap .accordion-title{padding:16px 18px;font-size:15px}
  .faq-wrap .accordion-content{padding:0 18px 18px}
  .cta-band{padding:52px 0}
}

/* roulang page: category3 */
:root{
  --c-primary:#1667CC;
  --c-primary-h:#0F55AE;
  --c-primary-a:#0C4792;
  --c-primary-l:#EAF2FF;
  --c-primary-l2:#D8E7FB;
  --c-accent:#F2703A;
  --c-accent-h:#DA5C28;
  --c-teal:#12A08A;
  --c-teal-l:#E4F6F2;
  --bg:#F4F7FB;
  --bg-alt:#EDF2F9;
  --card:#FFFFFF;
  --border:#E1E8F2;
  --divider:#EEF3F9;
  --t1:#16233A;
  --t2:#5A6B85;
  --t3:#8A98AE;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --shadow:0 1px 2px rgba(16,35,64,.06), 0 10px 26px -14px rgba(16,35,64,.16);
  --shadow-h:0 2px 4px rgba(16,35,64,.08), 0 18px 40px -18px rgba(16,35,64,.22);
  --container:1200px;
  --font:-apple-system, "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--t1);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-accent);}
h1,h2,h3,h4{margin:0;color:var(--t1);font-weight:700;letter-spacing:0;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button,input{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
.num{font-variant-numeric:tabular-nums;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease, box-shadow .18s ease, background-color .18s ease, color .18s ease, border-color .18s ease;
}
.btn--primary{background:var(--c-accent);color:#fff;box-shadow:0 10px 22px -12px rgba(242,112,58,.85);}
.btn--primary:hover{background:var(--c-accent-h);color:#fff;transform:translateY(-1px);box-shadow:0 16px 30px -14px rgba(242,112,58,.9);}
.btn--primary:active{background:#C64F20;transform:translateY(0);}
.btn--ghost{background:#fff;color:var(--c-primary);border-color:var(--c-primary-l2);}
.btn--ghost:hover{background:var(--c-primary-l);border-color:var(--c-primary);color:var(--c-primary-h);}
.btn--blue{background:var(--c-primary);color:#fff;}
.btn--blue:hover{background:var(--c-primary-h);color:#fff;transform:translateY(-1px);}
.btn--link{background:none;padding:0;color:var(--c-primary);font-weight:600;box-shadow:none;}
.btn--link:hover{color:var(--c-accent);}
.btn--sm{padding:9px 18px;font-size:13.5px;}
.btn--lg{padding:15px 32px;font-size:16px;}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;letter-spacing:.02em;line-height:1.6;
}
.badge--blue{background:var(--c-primary-l);color:var(--c-primary);}
.badge--teal{background:var(--c-teal-l);color:#0B7A69;}
.badge--accent{background:#FDEDE5;color:#C24E1D;}
.dot{width:7px;height:7px;border-radius:50%;background:currentColor;display:inline-block;}

/* ============ 头部 ============ */
.site-header{position:relative;z-index:40;background:#fff;}
.header-brand{border-bottom:1px solid var(--border);}
.header-brand__inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;min-height:68px;
}
.logo{display:inline-flex;align-items:center;gap:11px;color:var(--t1);}
.logo:hover{color:var(--c-primary);}
.logo__mark{display:inline-flex;align-items:flex-end;gap:3px;height:24px;}
.logo__mark i{display:block;width:5px;border-radius:2px;background:var(--c-primary);}
.logo__mark i:nth-child(1){height:11px;background:var(--c-primary-l2);}
.logo__mark i:nth-child(2){height:17px;background:var(--c-primary);}
.logo__mark i:nth-child(3){height:24px;background:var(--c-accent);}
.logo__text{font-size:19px;font-weight:700;letter-spacing:.01em;white-space:nowrap;}
.header-tools{display:flex;align-items:center;gap:14px;}
.header-search{display:flex;align-items:center;background:var(--bg);border:1px solid var(--border);border-radius:var(--r-btn);overflow:hidden;height:40px;}
.header-search input{
  border:0;background:transparent;padding:0 12px;height:100%;width:190px;
  font-size:14px;color:var(--t1);outline:none;
}
.header-search input::placeholder{color:var(--t3);}
.header-search button{
  border:0;background:transparent;color:var(--c-primary);
  width:38px;height:100%;cursor:pointer;font-size:14px;
}
.header-search button:hover{color:var(--c-accent);}
.header-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px var(--c-primary-l);}
.header-quick{font-size:14px;color:var(--t2);font-weight:500;}
.header-quick:hover{color:var(--c-primary);}
.header-channels{background:#F7FAFE;border-bottom:1px solid var(--border);}
.header-channels__inner{display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none;}
.header-channels__inner::-webkit-scrollbar{display:none;}
.channel-link{
  display:inline-block;padding:13px 16px;font-size:14px;font-weight:600;
  color:var(--t2);white-space:nowrap;border-bottom:2px solid transparent;
}
.channel-link:hover{color:var(--c-primary);}
.channel-link.is-active{color:var(--c-primary);border-bottom-color:var(--c-accent);}

/* ============ Hero ============ */
.reward-hero{position:relative;padding:70px 0 76px;background:#fff;overflow:hidden;}
.reward-hero__bg{
  position:absolute;inset:0;
  background-image:linear-gradient(90deg, rgba(255,255,255,.97) 0%, rgba(255,255,255,.92) 42%, rgba(234,242,255,.72) 100%), url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center right;
}
.reward-hero__inner{position:relative;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:52px;align-items:center;}
.hero-tagline{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px;}
.reward-hero h1{font-size:40px;line-height:1.24;margin-bottom:16px;}
.reward-hero h1 em{font-style:normal;color:var(--c-primary);}
.reward-hero__lead{font-size:16.5px;color:var(--t2);max-width:560px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;}
.hero-panel{
  background:#fff;border:1px solid var(--border);border-radius:16px;
  box-shadow:var(--shadow-h);padding:26px 28px;
}
.hero-panel__head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--divider);}
.hero-panel__head strong{font-size:15px;}
.hero-list{margin-top:6px;}
.hero-list li{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 0;border-bottom:1px dashed var(--divider);font-size:14.5px;color:var(--t2);
}
.hero-list li:last-child{border-bottom:0;}
.hero-list b{color:var(--t1);font-variant-numeric:tabular-nums;}

/* ============ 板块通用 ============ */
.section{padding:88px 0;}
.section--alt{background:var(--bg-alt);}
.section--white{background:#fff;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{font-size:27px;line-height:1.35;margin-bottom:12px;}
.section-head p{color:var(--t2);font-size:15.5px;}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.08em;
  color:var(--c-primary);text-transform:uppercase;margin-bottom:10px;
}

/* ============ 档位表 ============ */
.tier-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:stretch;}
.tier{
  position:relative;background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--shadow);padding:28px 26px;display:flex;flex-direction:column;
  transition:box-shadow .2s ease, transform .2s ease;
}
.tier:hover{box-shadow:var(--shadow-h);transform:translateY(-2px);}
.tier--focus{
  border:2px solid var(--c-primary);
  box-shadow:0 4px 8px rgba(16,35,64,.06), 0 26px 50px -22px rgba(22,103,204,.55);
  transform:translateY(-10px);
}
.tier--focus:hover{transform:translateY(-12px);}
.tier__flag{
  position:absolute;top:-13px;left:26px;
  background:var(--c-primary);color:#fff;font-size:12.5px;font-weight:700;
  padding:4px 12px;border-radius:999px;letter-spacing:.02em;
}
.tier__name{font-size:20px;font-weight:700;margin-bottom:6px;}
.tier__desc{font-size:14px;color:var(--t2);min-height:46px;}
.tier__price{
  margin:18px 0 6px;font-size:15px;color:var(--t2);
}
.tier__price b{font-size:26px;color:var(--c-primary);font-variant-numeric:tabular-nums;margin-right:4px;}
.tier__list{margin:14px 0 22px;flex:1;}
.tier__list li{
  display:flex;gap:10px;font-size:14.5px;color:var(--t2);
  padding:8px 0;border-bottom:1px solid var(--divider);
}
.tier__list li:last-child{border-bottom:0;}
.tier__list i{color:var(--c-teal);font-size:13px;margin-top:6px;}
.tier__foot{font-size:13px;color:var(--t3);margin-top:12px;}

/* ============ 时间轴 ============ */
.timeline{position:relative;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px;margin-top:12px;}
.timeline::before{
  content:"";position:absolute;top:15px;left:6%;right:6%;height:2px;
  background:var(--divider);
}
.tl-node{position:relative;text-align:center;padding-top:0;}
.tl-node__dot{
  position:relative;z-index:2;width:32px;height:32px;margin:0 auto 14px;
  border-radius:50%;background:#fff;border:2px solid var(--c-primary-l2);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;color:var(--t3);
}
.tl-node.is-done .tl-node__dot{background:var(--c-teal);border-color:var(--c-teal);color:#fff;}
.tl-node.is-current .tl-node__dot{background:var(--c-accent);border-color:var(--c-accent);color:#fff;box-shadow:0 0 0 6px rgba(242,112,58,.14);}
.tl-node h3{font-size:16px;margin-bottom:6px;}
.tl-node p{font-size:13.5px;color:var(--t2);}

/* ============ 进度条 ============ */
.progress-wrap{margin-top:52px;background:#fff;border:1px solid var(--border);border-radius:var(--r-card);padding:26px 28px;box-shadow:var(--shadow);}
.progress-head{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;margin-bottom:16px;}
.progress-head strong{font-size:16px;}
.progress-bar{height:8px;border-radius:999px;background:var(--border);overflow:hidden;}
.progress-bar span{display:block;height:100%;width:62%;border-radius:999px;background:var(--c-teal);}
.progress-meta{display:flex;justify-content:space-between;font-size:13px;color:var(--t3);margin-top:10px;}

/* ============ 活动卡片矩阵 ============ */
.event-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:24px;}
.event-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;
  transition:box-shadow .2s ease, transform .2s ease;
}
.event-card:hover{box-shadow:var(--shadow-h);transform:translateY(-2px);}
.event-card__media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-alt);}
.event-card__media img{width:100%;height:100%;object-fit:cover;}
.event-card__media .badge{position:absolute;top:14px;left:14px;background:#fff;box-shadow:0 2px 8px rgba(16,35,64,.14);}
.event-card__body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
.event-card__body h3{font-size:18px;line-height:1.45;margin-bottom:10px;}
.event-card__body p{font-size:14.5px;color:var(--t2);flex:1;}
.event-card__foot{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:18px;padding-top:14px;border-top:1px solid var(--divider);
  font-size:13px;color:var(--t3);
}
.event-col{display:flex;flex-direction:column;gap:24px;}
.event-col .event-card{flex:1;}
.event-col .event-card__media{aspect-ratio:16/7;}

/* ============ 条件说明卡 ============ */
.cond-card{
  background:#fff;border:1px solid var(--border);border-left:4px solid var(--c-teal);
  border-radius:var(--r-card);padding:28px 30px;box-shadow:var(--shadow);
}
.cond-card h2{font-size:23px;margin-bottom:14px;}
.cond-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 28px;margin-top:18px;}
.cond-list li{display:flex;gap:12px;font-size:14.5px;color:var(--t2);}
.cond-list b{color:var(--t1);font-weight:600;}
.cond-list .idx{
  flex:0 0 22px;height:22px;border-radius:50%;background:var(--c-primary-l);
  color:var(--c-primary);font-size:12px;font-weight:700;
  display:flex;align-items:center;justify-content:center;margin-top:5px;
}

/* ============ FAQ ============ */
.faq-shell{max-width:860px;margin:0 auto;}
.faq-shell .accordion{border:0;background:transparent;}
.faq-shell .accordion-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  margin-bottom:14px;box-shadow:var(--shadow);overflow:hidden;
}
.faq-shell .accordion-title{
  border:0;border-bottom:0;padding:20px 56px 20px 24px;
  font-size:16px;font-weight:700;color:var(--t1);line-height:1.6;
  transition:color .2s ease, background-color .2s ease;
}
.faq-shell .accordion-title:hover{background:#FAFCFF;color:var(--c-primary);}
.faq-shell .accordion-title::before{
  right:22px;top:50%;transform:translateY(-50%);
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:13px;color:var(--c-primary);margin:0;
}
.faq-shell .accordion-item.is-active>.accordion-title::before{content:"\f068";color:var(--c-accent);}
.faq-shell .accordion-content{padding:0 24px 22px;border:0;color:var(--t2);font-size:15px;line-height:1.85;}

/* ============ CTA 带 ============ */
.cta-band{background:var(--c-primary-l);padding:70px 0;}
.cta-band__inner{text-align:center;max-width:720px;margin:0 auto;}
.cta-band h2{font-size:27px;line-height:1.35;margin-bottom:14px;}
.cta-band p{color:var(--t2);font-size:15.5px;margin-bottom:26px;}
.cta-band__actions{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;}

/* ============ 页脚 ============ */
.site-footer{background:#16233A;color:#C7D3E4;padding:60px 0 0;}
.footer-grid{gap:0;}
.footer-brand__logo{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:700;margin-bottom:14px;}
.footer-brand__logo i{color:var(--c-accent);}
.footer-brand__text{font-size:14px;line-height:1.9;color:#9FB0C8;max-width:360px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700;}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul li a{color:#9FB0C8;font-size:14px;}
.footer-col ul li a:hover{color:#fff;}
.footer-meta{font-size:13px;color:#7C8FA8;margin-top:14px;}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  font-size:13px;color:#7C8FA8;
}

/* ============ 响应式 ============ */
@media screen and (max-width:1024px){
  .section{padding:64px 0;}
  .reward-hero{padding:54px 0 60px;}
  .reward-hero__inner{grid-template-columns:1fr;gap:34px;}
  .reward-hero h1{font-size:32px;}
  .tier-grid{grid-template-columns:1fr;}
  .tier--focus{transform:none;}
  .tier--focus:hover{transform:translateY(-2px);}
  .event-grid{grid-template-columns:1fr;}
  .timeline{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
  .timeline::before{display:none;}
  .header-search input{width:140px;}
}
@media screen and (max-width:768px){
  .section{padding:52px 0;}
  .container{padding:0 16px;}
  .header-brand__inner{flex-wrap:wrap;padding:12px 0;gap:12px;}
  .logo__text{font-size:17px;}
  .header-tools{width:100%;justify-content:space-between;gap:10px;}
  .header-search{flex:1;}
  .header-search input{width:100%;}
  .header-quick{display:none;}
  .reward-hero h1{font-size:27px;}
  .reward-hero__lead{font-size:15.5px;}
  .section-head h2{font-size:22px;}
  .cond-list{grid-template-columns:1fr;}
  .timeline{grid-template-columns:1fr;}
  .tl-node{text-align:left;display:flex;gap:16px;align-items:flex-start;}
  .tl-node__dot{margin:2px 0 0;}
  .footer-bottom{flex-direction:column;}
  .cta-band{padding:52px 0;}
  .cta-band h2{font-size:22px;}
}
@media screen and (max-width:520px){
  .reward-hero h1{font-size:25px;}
  .tier{padding:24px 20px;}
  .faq-shell .accordion-title{font-size:15px;padding:17px 48px 17px 18px;}
  .faq-shell .accordion-content{padding:0 18px 18px;}
}

/* roulang page: category2 */
:root{
  --c-primary:#1667CC;
  --c-primary-hover:#0F55AE;
  --c-primary-active:#0C4792;
  --c-primary-50:#F3F8FF;
  --c-primary-100:#EAF2FF;
  --c-primary-200:#D8E7FB;
  --c-accent:#F2703A;
  --c-accent-hover:#DA5C28;
  --c-teal:#12A08A;
  --c-teal-100:#E3F6F1;
  --bg-page:#F4F7FB;
  --bg-alt:#EDF2F9;
  --bg-card:#FFFFFF;
  --border:#E1E8F2;
  --divider:#EEF3F9;
  --text:#16233A;
  --text-2:#5A6B85;
  --text-3:#8A98AE;
  --danger:#D64545;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(16,35,64,.06),0 10px 26px -14px rgba(16,35,64,.16);
  --shadow-2:0 2px 4px rgba(16,35,64,.08),0 18px 40px -18px rgba(16,35,64,.22);
  --ease:cubic-bezier(.2,.7,.3,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg-page);
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;height:auto;display:block;border-style:none}
a{color:var(--c-primary);text-decoration:none;background-color:transparent;transition:color .18s var(--ease)}
a:hover{color:var(--c-accent)}
h1,h2,h3,h4,p,ul,ol,figure,table{margin:0}
ul,ol{padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}
.skip-link{
  position:absolute;left:-9999px;top:0;z-index:999;background:var(--c-primary);color:#fff;
  padding:10px 18px;border-radius:0 0 var(--radius-btn) 0;font-size:14px;
}
.skip-link:focus{left:0;color:#fff}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:var(--radius-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.2;cursor:pointer;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.btn--primary{background:var(--c-accent);color:#fff;box-shadow:0 8px 20px -10px rgba(242,112,58,.75)}
.btn--primary:hover{background:var(--c-accent-hover);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px -12px rgba(242,112,58,.85)}
.btn--primary:active{background:#C74F1F;transform:translateY(0)}
.btn--outline{background:#fff;color:var(--c-primary);border-color:var(--c-primary-200)}
.btn--outline:hover{background:var(--c-primary-100);color:var(--c-primary-hover);border-color:var(--c-primary)}
.btn--ghost{background:#fff;color:var(--c-primary);border-color:var(--border)}
.btn--ghost:hover{background:var(--c-primary-50);border-color:var(--c-primary-200);color:var(--c-primary-hover)}
.btn--link{background:none;border:0;padding:0;color:var(--c-primary);font-weight:600}
.btn--link:hover{color:var(--c-accent)}
.btn--sm{padding:9px 16px;font-size:14px;border-radius:9px}
.btn--block{width:100%}

/* ---------- Header ---------- */
.site-header{position:relative;z-index:60;background:#fff;box-shadow:0 1px 0 var(--border)}
.header-brand__inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:70px}
.logo{display:flex;align-items:center;gap:10px;color:var(--text);font-size:19px;font-weight:700;letter-spacing:-.01em}
.logo:hover{color:var(--c-primary)}
.logo__mark{display:inline-flex;align-items:flex-end;gap:3px;height:20px}
.logo__mark i{display:block;width:4px;border-radius:2px;background:var(--c-primary)}
.logo__mark i:nth-child(1){height:10px}
.logo__mark i:nth-child(2){height:20px;background:var(--c-accent)}
.logo__mark i:nth-child(3){height:14px}
.logo__text{white-space:nowrap}
.header-tools{display:flex;align-items:center;gap:12px}
.header-search{display:flex;align-items:center;background:var(--bg-page);border:1px solid var(--border);border-radius:999px;padding:4px 4px 4px 16px;transition:border-color .18s var(--ease),box-shadow .18s var(--ease)}
.header-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px var(--c-primary-100)}
.header-search input{
  border:0;background:transparent;outline:none;width:190px;font-size:14px;color:var(--text);padding:6px 0;
}
.header-search input::placeholder{color:var(--text-3)}
.header-search button{
  border:0;background:var(--c-primary);color:#fff;width:32px;height:32px;border-radius:50%;
  cursor:pointer;display:inline-flex;align-items:center;justify-content:center;font-size:13px;transition:background-color .18s var(--ease)
}
.header-search button:hover{background:var(--c-primary-hover)}
.header-quick{
  font-size:14px;font-weight:500;color:var(--text-2);padding:9px 14px;border-radius:var(--radius-btn);
  border:1px solid transparent;transition:all .18s var(--ease);white-space:nowrap
}
.header-quick:hover{color:var(--c-primary);background:var(--c-primary-50);border-color:var(--c-primary-200)}

.header-channels{background:#F7FAFE;border-top:1px solid var(--divider);border-bottom:1px solid var(--border)}
.header-channels__inner{display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.header-channels__inner::-webkit-scrollbar{display:none}
.channel-link{
  position:relative;display:inline-block;padding:13px 16px;font-size:14px;font-weight:500;color:var(--text-2);
  white-space:nowrap;transition:color .18s var(--ease)
}
.channel-link::after{
  content:"";position:absolute;left:16px;right:16px;bottom:0;height:3px;border-radius:3px 3px 0 0;
  background:transparent;transition:background-color .18s var(--ease)
}
.channel-link:hover{color:var(--c-primary)}
.channel-link.is-active{color:var(--c-primary);font-weight:600}
.channel-link.is-active::after{background:var(--c-accent)}

/* ---------- Page head ---------- */
.page-head{
  position:relative;
  padding:34px 0 54px;
  background-color:var(--c-primary-100);
  background-image:linear-gradient(180deg,rgba(244,247,251,.94) 0%,rgba(234,242,255,.9) 55%,rgba(244,247,251,.98) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center 30%;
  border-bottom:1px solid var(--border);
  overflow:hidden;
}
.page-head::after{
  content:"";position:absolute;right:-120px;top:-120px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(22,103,204,.14),rgba(22,103,204,0) 70%);
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:22px}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{color:var(--text-3)}
.breadcrumb .current{color:var(--text);font-weight:600}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;letter-spacing:.04em;
  color:var(--c-primary);background:#fff;border:1px solid var(--c-primary-200);
  padding:6px 14px;border-radius:999px;margin-bottom:18px;box-shadow:var(--shadow-1)
}
.eyebrow i{color:var(--c-teal)}
.page-head h1{
  font-size:clamp(25px,3.4vw,39px);line-height:1.3;font-weight:700;letter-spacing:-.015em;
  max-width:880px;color:var(--text)
}
.page-head__lead{
  margin-top:18px;max-width:760px;font-size:16px;line-height:1.85;color:var(--text-2)
}
.head-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.head-meta li{
  display:inline-flex;align-items:center;gap:7px;font-size:13px;color:var(--text-2);
  background:rgba(255,255,255,.86);border:1px solid var(--border);border-radius:999px;padding:7px 14px
}
.head-meta i{color:var(--c-primary)}

/* ---------- Layout ---------- */
.section{padding:64px 0}
.section--alt{background:var(--bg-alt);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.section-head{max-width:720px;margin-bottom:34px}
.section-head h2{font-size:clamp(21px,2.3vw,27px);line-height:1.35;font-weight:700;letter-spacing:-.01em}
.section-head p{margin-top:12px;color:var(--text-2);font-size:15.5px}

.guide-layout{align-items:flex-start}
.guide-aside{position:relative}
.anchor-nav{
  position:sticky;top:24px;background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);padding:22px 20px
}
.anchor-nav__title{font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--text-3);text-transform:uppercase;margin-bottom:14px}
.anchor-nav__list li+li{margin-top:4px}
.anchor-nav__link{
  display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:9px;font-size:14px;color:var(--text-2);
  border-left:3px solid transparent;transition:all .18s var(--ease)
}
.anchor-nav__link span{font-size:12px;font-weight:700;color:var(--c-accent);min-width:18px}
.anchor-nav__link:hover{background:var(--c-primary-50);color:var(--c-primary);border-left-color:var(--c-primary-200)}
.anchor-nav__link.is-active{background:var(--c-primary-50);color:var(--c-primary);font-weight:600;border-left-color:var(--c-primary)}
.anchor-nav__note{
  margin-top:18px;padding-top:16px;border-top:1px dashed var(--border);font-size:13px;line-height:1.75;color:var(--text-3)
}

/* ---------- Guide sections ---------- */
.guide-main{display:block}
.guide-section{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);box-shadow:var(--shadow-1);
  padding:30px 30px 32px;margin-bottom:24px;scroll-margin-top:24px;
  transition:box-shadow .22s var(--ease),transform .22s var(--ease)
}
.guide-section:hover{box-shadow:var(--shadow-2)}
.guide-section__head{display:flex;align-items:center;gap:14px;margin-bottom:16px}
.guide-section__num{
  flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:12px;background:var(--c-primary-100);
  color:var(--c-accent);font-size:15px;font-weight:700;letter-spacing:.02em
}
.guide-section h2{font-size:clamp(19px,2vw,23px);font-weight:700;line-height:1.4;letter-spacing:-.01em}
.guide-section h3{font-size:17px;font-weight:700;margin:24px 0 10px}
.guide-section p{color:var(--text-2);font-size:15.5px;line-height:1.88}
.guide-section p+p{margin-top:14px}
.guide-section strong{color:var(--text);font-weight:600}

.dot-list{margin-top:16px}
.dot-list li{
  position:relative;padding-left:22px;color:var(--text-2);font-size:15.5px;line-height:1.85
}
.dot-list li+li{margin-top:8px}
.dot-list li::before{
  content:"";position:absolute;left:2px;top:.72em;width:8px;height:8px;border-radius:50%;
  background:var(--c-teal)
}

.table-wrap{margin-top:20px;overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius-img)}
.rule-table{width:100%;border-collapse:collapse;min-width:520px}
.rule-table thead th{
  background:var(--c-primary-100);color:var(--c-primary-active);font-size:13.5px;font-weight:600;
  text-align:left;padding:14px 18px;letter-spacing:.02em;white-space:nowrap
}
.rule-table tbody td{
  padding:14px 18px;font-size:14.5px;color:var(--text-2);border-top:1px solid var(--divider);line-height:1.7
}
.rule-table tbody tr:nth-child(even){background:var(--bg-page)}
.rule-table tbody td:first-child{color:var(--text);font-weight:600}
.pill{
  display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:999px;
  font-size:12.5px;font-weight:600;letter-spacing:.02em
}
.pill--live{background:var(--c-teal-100);color:var(--c-teal)}
.pill--primary{background:var(--c-primary-100);color:var(--c-primary)}
.pill--wait{background:var(--bg-alt);color:var(--text-2)}

.guide-figure{margin-top:24px}
.guide-figure img{border-radius:var(--radius-img);box-shadow:var(--shadow-1);width:100%;object-fit:cover;aspect-ratio:16/9}
.guide-figure figcaption{margin-top:12px;font-size:13px;color:var(--text-3);text-align:center;line-height:1.7}

.tip-card{
  display:flex;gap:16px;background:var(--c-primary-50);border:1px solid var(--border);
  border-left:4px solid var(--c-teal);border-radius:var(--radius-card);padding:22px 24px;margin-bottom:24px
}
.tip-card i{color:var(--c-teal);font-size:20px;margin-top:3px}
.tip-card h3{font-size:16px;font-weight:700;margin-bottom:6px}
.tip-card p{font-size:14.5px;color:var(--text-2);line-height:1.8}

.back-top-wrap{display:flex;justify-content:center;padding:6px 0 2px}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-wrap .accordion{border:0;background:transparent}
.faq-wrap .accordion .accordion-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);margin-bottom:14px;overflow:hidden
}
.faq-wrap .accordion .accordion-title{
  border:0;padding:20px 54px 20px 24px;font-size:16px;font-weight:600;color:var(--text);
  line-height:1.6;position:relative;background:#fff;transition:color .18s var(--ease)
}
.faq-wrap .accordion .accordion-title:hover{color:var(--c-primary);background:var(--c-primary-50)}
.faq-wrap .accordion .accordion-title::before{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:13px;
  position:absolute;right:24px;top:50%;transform:translateY(-50%);color:var(--c-primary);transition:transform .22s var(--ease)
}
.faq-wrap .accordion .accordion-item.is-active .accordion-title::before{transform:translateY(-50%) rotate(180deg)}
.faq-wrap .accordion .accordion-item.is-active .accordion-title{color:var(--c-primary)}
.faq-wrap .accordion .accordion-content{border:0;background:#fff;padding:0 24px 22px;color:var(--text-2);font-size:15px;line-height:1.85}
.faq-wrap .accordion .accordion-content p{margin:0}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--c-primary-100);
  border-top:1px solid var(--c-primary-200);
  padding:60px 0;
  text-align:center
}
.cta-band h2{font-size:clamp(21px,2.4vw,28px);font-weight:700;line-height:1.4}
.cta-band p{max-width:620px;margin:14px auto 0;color:var(--text-2);font-size:15.5px}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:28px}

/* ---------- Footer ---------- */
.site-footer{background:#16233A;color:#C7D3E5;padding:64px 0 0;font-size:14.5px}
.footer-grid{padding-bottom:44px}
.footer-brand__logo{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:700}
.footer-brand__logo i{color:var(--c-accent)}
.footer-brand__text{margin-top:16px;color:#9FB0C9;font-size:14px;line-height:1.85;max-width:340px}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul li+li{margin-top:10px}
.footer-col ul a{color:#C7D3E5;font-size:14.5px}
.footer-col ul a:hover{color:#fff}
.footer-meta{margin-top:18px;color:#7E90AC;font-size:13px;line-height:1.7}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0 26px;display:flex;flex-wrap:wrap;gap:10px;
  justify-content:space-between;color:#7E90AC;font-size:13px
}

/* ---------- Responsive ---------- */
@media (max-width:1023px){
  .header-search input{width:150px}
  .header-quick{display:none}
  .anchor-nav{position:static;margin-bottom:24px}
  .anchor-nav__list{display:flex;flex-wrap:wrap;gap:8px}
  .anchor-nav__list li+li{margin-top:0}
  .anchor-nav__link{border-left:0;border:1px solid var(--border);border-radius:999px;padding:8px 14px}
  .anchor-nav__link.is-active{border-color:var(--c-primary-200)}
  .anchor-nav__note{display:none}
  .section{padding:56px 0}
}
@media (max-width:767px){
  body{font-size:15.5px;line-height:1.82}
  .container{padding-left:16px;padding-right:16px}
  .header-brand__inner{min-height:62px;flex-wrap:wrap;gap:12px;padding-top:6px;padding-bottom:6px}
  .logo{font-size:17px}
  .header-tools{width:100%;justify-content:space-between}
  .header-search{flex:1}
  .header-search input{width:100%}
  .page-head{padding:26px 0 40px}
  .page-head__lead{font-size:15.5px}
  .guide-section{padding:22px 18px 24px}
  .guide-section__head{gap:12px}
  .guide-section__num{width:34px;height:34px;border-radius:10px;font-size:13.5px}
  .section{padding:48px 0}
  .cta-band{padding:48px 0}
  .cta-band__actions .btn{width:100%}
  .footer-bottom{flex-direction:column}
}
@media (max-width:519px){
  .logo__text{font-size:16px}
  .head-meta li{font-size:12.5px;padding:6px 12px}
  .rule-table thead th,.rule-table tbody td{padding:12px 14px}
}