/* roulang page: index */
:root{
  --c-primary:#123A6B;
  --c-primary-dark:#0E2E56;
  --c-primary-deep:#0A2440;
  --c-primary-soft:#E7EEF7;
  --c-accent:#E8552F;
  --c-accent-dark:#C7431F;
  --c-accent-soft:#FDEDE8;
  --c-teal:#0E9B8A;
  --c-title:#101B28;
  --c-text:#45566A;
  --c-muted:#7C8B9C;
  --c-line:#E3E9F0;
  --c-bg:#F5F7FA;
  --c-card:#FFFFFF;
  --r-card:14px;
  --r-img:10px;
  --r-btn:10px;
  --r-pill:999px;
  --r-hero:18px;
  --sh-card:0 1px 2px rgba(16,27,40,.05), 0 8px 20px -14px rgba(16,27,40,.18);
  --sh-hover:0 2px 4px rgba(16,27,40,.06), 0 18px 36px -20px rgba(18,58,107,.35);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;line-height:1.85;letter-spacing:.01em;
  color:var(--c-text);background:var(--c-bg);
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-teal)}
h1,h2,h3,h4{margin:0;color:var(--c-title);font-weight:700;line-height:1.35}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
@media (max-width:575.98px){.container{padding-left:16px;padding-right:16px}}
section[id],div[id]{scroll-margin-top:132px}
@media (max-width:991.98px){section[id],div[id]{scroll-margin-top:104px}}

/* ---------- 按钮系统 ---------- */
.btn-c{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;background:transparent;
  transition:background-color .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease,transform .2s ease;
}
.btn-c:focus-visible{outline:3px solid rgba(18,58,107,.35);outline-offset:2px}
.btn-primary-c{background:var(--c-primary-dark);color:#fff}
.btn-primary-c:hover{background:var(--c-primary-deep);color:#fff;box-shadow:0 12px 26px -14px rgba(10,36,64,.9)}
.btn-primary-c:active{transform:translateY(1px)}
.btn-outline-c{background:#fff;color:var(--c-primary);border-color:var(--c-primary)}
.btn-outline-c:hover{background:var(--c-primary-soft);color:var(--c-primary);box-shadow:var(--sh-card)}
.btn-outline-c:active{transform:translateY(1px)}
.btn-accent-c{background:var(--c-accent);color:#fff}
.btn-accent-c:hover{background:var(--c-accent-dark);color:#fff;box-shadow:0 12px 26px -14px rgba(199,67,31,.9)}
.btn-w{background:#fff;color:var(--c-primary-dark)}
.btn-w:hover{background:var(--c-primary-soft);color:var(--c-primary-dark)}
.btn-ghost-w{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.55)}
.btn-ghost-w:hover{background:#fff;color:var(--c-primary-dark);border-color:#fff}
.btn-text-c{color:var(--c-accent-dark);font-weight:600;font-size:15px;text-decoration:underline;text-underline-offset:4px}
.btn-text-c:hover{color:var(--c-accent);text-decoration-thickness:2px}

/* ---------- 双层导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--c-line);transition:box-shadow .2s ease}
.site-header.is-scrolled{box-shadow:0 6px 20px -14px rgba(16,27,40,.45)}
.nav-top__inner{display:flex;align-items:center;gap:24px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand__mark{
  width:34px;height:34px;border-radius:9px;background:var(--c-primary);color:#fff;
  display:grid;place-items:center;font-size:13px;font-weight:800;letter-spacing:.06em;
}
.brand__text{font-size:18px;font-weight:800;color:var(--c-title);letter-spacing:.01em;white-space:nowrap}
.brand:hover .brand__text{color:var(--c-primary)}
.nav-search{position:relative;flex:1 1 auto;max-width:360px;margin-left:auto}
.nav-search i{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--c-muted);font-size:14px;pointer-events:none}
.nav-search input{
  width:100%;height:44px;border-radius:var(--r-btn);border:1px solid var(--c-line);
  background:var(--c-bg);padding:0 16px 0 38px;font-size:14.5px;color:var(--c-title);
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.nav-search input::placeholder{color:var(--c-muted)}
.nav-search input:focus{outline:none;background:#fff;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(18,58,107,.14)}
.nav-actions{display:flex;align-items:center;gap:12px;flex:none}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-btn);border:1px solid var(--c-line);
  background:#fff;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-primary);transition:transform .2s ease,opacity .2s ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-channels{border-top:1px solid var(--c-line);background:#fff}
.nav-channels__inner{display:flex;align-items:center;gap:4px;height:48px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.nav-channels__inner::-webkit-scrollbar{display:none}
.channel{
  position:relative;display:flex;align-items:center;height:44px;padding:0 14px;
  font-size:15px;color:var(--c-text);white-space:nowrap;border-radius:8px;
  transition:color .2s ease,background-color .2s ease;
}
.channel:hover{color:var(--c-primary);background:var(--c-primary-soft)}
.channel.is-active{color:var(--c-primary);font-weight:700}
.channel.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;border-radius:2px;background:var(--c-primary)}
.nav-drawer{display:none;border-top:1px solid var(--c-line);background:#fff;padding:12px 0 18px}
.nav-drawer.is-open{display:block}
.drawer-link{display:block;padding:12px 14px;border-radius:10px;color:var(--c-text);font-size:15.5px;font-weight:600}
.drawer-link:hover{background:var(--c-primary-soft);color:var(--c-primary)}
.drawer-link.is-active{background:var(--c-primary-soft);color:var(--c-primary)}
.drawer-search{position:relative;margin:10px 0 6px}
.drawer-search input{width:100%;height:46px;border-radius:10px;border:1px solid var(--c-line);background:var(--c-bg);padding:0 16px;font-size:15px}
.drawer-search input:focus{outline:none;background:#fff;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(18,58,107,.14)}

/* ---------- Hero ---------- */
.hero-wrap{padding-top:24px}
.hero{position:relative;border-radius:var(--r-hero);overflow:hidden;min-height:480px;display:flex;align-items:center;background:var(--c-primary-dark)}
.hero__bg{position:absolute;inset:0;background-size:cover;background-position:center}
.hero__mask{position:absolute;inset:0;background:linear-gradient(115deg,rgba(14,46,86,.94) 8%,rgba(14,46,86,.72) 48%,rgba(14,46,86,.46) 100%)}
.hero__inner{position:relative;z-index:2;width:100%;padding:80px 0}
.hero__pill{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);
  color:#fff;font-size:13.5px;letter-spacing:.02em;
}
.hero__pill i{color:#8FD9CE}
.hero__title{color:#fff;font-size:40px;line-height:1.25;margin-top:22px;max-width:800px}
.hero__sub{color:rgba(255,255,255,.86);font-size:17px;margin-top:18px;max-width:640px}
.hero__btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero__stats{display:flex;flex-wrap:wrap;gap:44px;margin-top:46px;padding-top:26px;border-top:1px solid rgba(255,255,255,.18)}
.stat__num{display:block;font-size:28px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;line-height:1.2}
.stat__label{display:block;font-size:13.5px;color:rgba(255,255,255,.72);margin-top:4px}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0}
.section--white{background:#fff}
.section--tint{background:var(--c-primary-soft)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:36px}
.sec-head__main h2{font-size:28px}
.sec-head__main .sec-sub{font-size:15px;color:var(--c-muted);margin-top:10px}
.sec-line{width:44px;height:3px;border-radius:2px;background:var(--c-primary);margin-bottom:16px}
.tag-pill{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:var(--r-pill);
  background:var(--c-primary-soft);color:var(--c-primary);font-size:12.5px;font-weight:600;line-height:1.7;
}
.tag-pill--accent{background:var(--c-accent-soft);color:var(--c-accent-dark)}
.tag-pill--teal{background:rgba(14,155,138,.12);color:var(--c-teal)}

/* ---------- 频道目录 ---------- */
.channel-rail{display:flex;gap:10px;overflow-x:auto;padding-bottom:6px;scrollbar-width:none;-ms-overflow-style:none}
.channel-rail::-webkit-scrollbar{display:none}
.channel-pill{
  display:inline-flex;align-items:center;gap:8px;flex:none;
  padding:11px 20px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--c-line);
  color:var(--c-text);font-size:15px;font-weight:600;white-space:nowrap;
  transition:all .2s ease;
}
.channel-pill i{color:var(--c-primary);font-size:14px}
.channel-pill:hover{border-color:var(--c-primary);color:var(--c-primary);box-shadow:var(--sh-card);transform:translateY(-2px)}
.channel-pill.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff}
.channel-pill.is-active i{color:#fff}

/* ---------- 精选条目 ---------- */
.feature-hero{
  display:grid;grid-template-columns:1.02fr 1fr;background:#fff;border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-card);height:100%;
  transition:box-shadow .2s ease,transform .2s ease;
}
.feature-hero:hover{box-shadow:var(--sh-hover);transform:translateY(-3px)}
.media{position:relative;overflow:hidden;background:var(--c-primary-soft)}
.media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,46,86,0) 48%,rgba(14,46,86,.34) 100%);pointer-events:none}
a:hover .media img,.feature-hero:hover .media img,.mini-card:hover .media img,.rail-card:hover .media img{transform:scale(1.03)}
.feature-hero .media{min-height:100%}
.feature-hero__body{padding:32px 30px;display:flex;flex-direction:column;gap:14px}
.feature-hero__title{font-size:24px;line-height:1.4;font-weight:700;color:var(--c-title)}
.feature-hero:hover .feature-hero__title{color:var(--c-primary)}
.feature-hero__desc{font-size:15.5px;color:var(--c-text)}
.feature-hero__foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;padding-top:16px;border-top:1px solid var(--c-line)}
.feature-hero__meta{font-size:13.5px;color:var(--c-muted);font-variant-numeric:tabular-nums}
.arrow-ico{color:var(--c-primary);font-size:14px;transition:transform .2s ease}
.feature-hero:hover .arrow-ico,.mini-card:hover .arrow-ico{transform:translateX(4px)}

.mini-list{display:flex;flex-direction:column;gap:16px}
.mini-card{
  display:flex;gap:16px;background:#fff;border-radius:var(--r-card);padding:14px;
  box-shadow:var(--sh-card);transition:box-shadow .2s ease,transform .2s ease;
}
.mini-card:hover{box-shadow:var(--sh-hover);transform:translateY(-3px)}
.mini-card__media{width:118px;flex:none;border-radius:var(--r-img);overflow:hidden}
.mini-card__media .media{aspect-ratio:4/3;height:100%}
.mini-card__body{display:flex;flex-direction:column;gap:8px;min-width:0}
.mini-card__title{font-size:16.5px;font-weight:700;color:var(--c-title);line-height:1.5}
.mini-card:hover .mini-card__title{color:var(--c-primary)}
.mini-card__desc{font-size:14px;color:var(--c-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mini-card__meta{font-size:13px;color:var(--c-muted);font-variant-numeric:tabular-nums;margin-top:auto}

/* ---------- CMS 列表 ---------- */
.post-card{
  display:flex;flex-direction:column;gap:12px;height:100%;
  background:#fff;border-radius:var(--r-card);padding:24px 22px;
  box-shadow:var(--sh-card);border-left:3px solid var(--c-primary);
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.post-card:hover{box-shadow:var(--sh-hover);transform:translateY(-3px);border-left-color:var(--c-accent)}
.post-card__title{font-size:17.5px;font-weight:700;line-height:1.5;color:var(--c-title)}
.post-card:hover .post-card__title{color:var(--c-primary)}
.post-card__desc{font-size:14.5px;color:var(--c-text);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.post-card__meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:14px;border-top:1px solid var(--c-line);font-size:13px;color:var(--c-muted);font-variant-numeric:tabular-nums}
.post-card__cat{color:var(--c-primary);font-weight:600}
.empty-state{
  min-height:220px;border:1px dashed var(--c-line);border-radius:var(--r-card);background:#fff;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;text-align:center;padding:32px 20px;
}
.empty-state svg{width:52px;height:52px;stroke:rgba(18,58,107,.4);fill:none;stroke-width:1.6}
.empty-state p{font-size:15px;color:var(--c-muted)}

/* ---------- 横向卡片轨 ---------- */
.rail{display:flex;gap:20px;overflow-x:auto;padding:4px 4px 20px;scroll-snap-type:x proximity;scrollbar-width:none;-ms-overflow-style:none}
.rail::-webkit-scrollbar{display:none}
.rail-card{
  flex:0 0 auto;width:300px;background:#fff;border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-card);scroll-snap-align:start;transition:box-shadow .2s ease,transform .2s ease;
}
.rail-card:hover{box-shadow:var(--sh-hover);transform:translateY(-3px)}
.rail-card__media .media{aspect-ratio:16/9}
.rail-card__body{padding:20px}
.rail-card__title{font-size:16.5px;font-weight:700;line-height:1.55;color:var(--c-title);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rail-card:hover .rail-card__title{color:var(--c-primary)}
.rail-card__desc{font-size:14px;color:var(--c-muted);margin-top:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rail-card__foot{margin-top:16px;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-muted)}
@media (max-width:767.98px){.rail-card{width:262px}}

/* ---------- 内容说明块 ---------- */
.info-strip{background:#fff;border-radius:var(--r-card);box-shadow:var(--sh-card);padding:36px 32px;display:grid;grid-template-columns:1.15fr 1fr;gap:40px}
.info-strip h2{font-size:24px;margin-bottom:14px}
.info-strip p{font-size:15.5px}
.info-list{margin-top:20px;display:grid;gap:12px}
.info-list li{display:flex;gap:10px;font-size:15px;color:var(--c-text)}
.info-list i{color:var(--c-teal);margin-top:6px;font-size:14px;flex:none}
.info-side{background:var(--c-bg);border-radius:var(--r-card);padding:24px}
.info-side h3{font-size:17px;margin-bottom:16px}
.info-side .row-item{display:flex;align-items:baseline;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px solid var(--c-line)}
.info-side .row-item:last-child{border-bottom:0;padding-bottom:0}
.info-side .row-item span:first-child{font-size:14.5px;color:var(--c-text)}
.info-side .row-item span:last-child{font-size:15px;font-weight:700;color:var(--c-primary);font-variant-numeric:tabular-nums}

/* ---------- CTA 条 ---------- */
.cta-bar{
  background:var(--c-primary-soft);border-radius:var(--r-card);padding:26px 32px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.cta-bar__text{font-size:16px;font-weight:600;color:var(--c-primary)}
.cta-bar__tip{display:block;font-size:13.5px;font-weight:400;color:var(--c-text);margin-top:6px}
.cta-bar__btns{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- FAQ ---------- */
.faq-accordion .accordion-item{border:0;border-bottom:1px solid var(--c-line);background:transparent;border-radius:0}
.faq-accordion .accordion-item:last-child{border-bottom:0}
.faq-accordion .accordion-button{
  background:transparent;box-shadow:none;color:var(--c-title);
  font-size:16.5px;font-weight:600;padding:20px;border-radius:10px;
  display:flex;align-items:center;gap:16px;
}
.faq-accordion .accordion-button:not(.collapsed){background:var(--c-primary-soft);color:var(--c-primary)}
.faq-accordion .accordion-button::after{display:none}
.faq-accordion .accordion-button:focus{box-shadow:0 0 0 3px rgba(18,58,107,.16);z-index:2}
.faq-icon{margin-left:auto;flex:none;width:22px;height:22px;border-radius:50%;background:var(--c-primary-soft);position:relative}
.accordion-button:not(.collapsed) .faq-icon{background:#fff}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--c-primary);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.faq-icon::before{left:6px;right:6px;top:50%;height:2px;margin-top:-1px}
.faq-icon::after{top:6px;bottom:6px;left:50%;width:2px;margin-left:-1px}
.accordion-button:not(.collapsed) .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-accordion .accordion-body{padding:4px 20px 22px;font-size:15.5px;color:var(--c-text)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary-dark);color:rgba(255,255,255,.7);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:20px;font-weight:700}
.site-footer a{color:rgba(255,255,255,.7);font-size:14.5px;display:inline-block;padding:5px 0}
.site-footer a:hover{color:#fff}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand__mark{width:34px;height:34px;border-radius:9px;background:rgba(255,255,255,.14);color:#fff;display:grid;place-items:center;font-size:13px;font-weight:800;letter-spacing:.06em}
.footer-brand__text{font-size:18px;font-weight:800;color:#fff}
.site-footer p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.66)}
.footer-links{display:grid;gap:2px}
.footer-search{position:relative;margin-top:16px}
.footer-search input{width:100%;height:44px;border-radius:10px;border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.08);color:#fff;padding:0 16px;font-size:14.5px}
.footer-search input::placeholder{color:rgba(255,255,255,.5)}
.footer-search input:focus{outline:none;border-color:rgba(255,255,255,.6);box-shadow:0 0 0 3px rgba(255,255,255,.12)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13.5px;color:rgba(255,255,255,.55)}
.footer-bottom a{font-size:13.5px;color:rgba(255,255,255,.55);padding:0}
.footer-bottom a:hover{color:#fff}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .hero__title{font-size:36px}
}
@media (max-width:991.98px){
  .nav-top__inner{height:64px;gap:16px}
  .brand__text{font-size:17px}
  .hero{min-height:420px}
  .hero__inner{padding:64px 0}
  .info-strip{grid-template-columns:1fr;gap:28px;padding:30px 26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767.98px){
  .section{padding:56px 0}
  .nav-search{display:none}
  .nav-actions .btn-c{display:none}
  .nav-toggle{display:flex}
  .nav-channels{display:none}
  .hero-wrap{padding-top:16px}
  .hero{min-height:340px;border-radius:14px}
  .hero__inner{padding:44px 0}
  .hero__title{font-size:28px;line-height:1.3}
  .hero__sub{font-size:15.5px;margin-top:14px}
  .hero__btns{margin-top:26px;flex-direction:column;align-items:stretch;max-width:280px}
  .hero__stats{gap:28px;margin-top:32px;padding-top:20px}
  .stat__num{font-size:23px}
  .sec-head{margin-bottom:26px}
  .sec-head__main h2{font-size:22px}
  .feature-hero{grid-template-columns:1fr}
  .feature-hero .media{aspect-ratio:16/9;min-height:0}
  .feature-hero__body{padding:22px 20px}
  .feature-hero__title{font-size:19px}
  .mini-card__media{width:96px}
  .cta-bar{padding:22px 20px}
  .cta-bar__btns{width:100%}
  .cta-bar__btns .btn-c{flex:1 1 auto}
  .faq-accordion .accordion-button{font-size:15.5px;padding:16px 14px}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:36px}
  .site-footer{padding-top:48px}
}
@media (max-width:575.98px){
  .hero__title{font-size:25px}
  .hero__stats{gap:20px}
  .post-card{padding:20px 18px}
}

/* roulang page: category1 */
:root{
  --c-primary:#123A6B;
  --c-primary-dark:#0E2E56;
  --c-primary-soft:#E7EEF7;
  --c-accent:#E8552F;
  --c-accent-dark:#C7431F;
  --c-accent-soft:#FDEDE7;
  --c-teal:#0E9B8A;
  --c-title:#101B28;
  --c-text:#45566A;
  --c-muted:#7C8B9C;
  --c-line:#E3E9F0;
  --c-bg:#F5F7FA;
  --c-card:#FFFFFF;
  --r-card:14px;
  --r-img:10px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,27,40,.05), 0 8px 20px -14px rgba(16,27,40,.18);
  --sh-2:0 2px 4px rgba(16,27,40,.06), 0 18px 36px -20px rgba(18,58,107,.35);
  --sp-4:4px; --sp-8:8px; --sp-12:12px; --sp-16:16px; --sp-24:24px; --sp-32:32px; --sp-48:48px; --sp-56:56px; --sp-88:88px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease,background-color .2s ease;}
a:hover{color:var(--c-teal);}
h1,h2,h3,h4,h5{color:var(--c-title);margin:0;font-weight:700;letter-spacing:.005em;}
h1{font-size:40px;line-height:1.25;}
h2{font-size:26px;line-height:1.4;}
h3{font-size:20px;line-height:1.5;font-weight:600;}
h4{font-size:17px;line-height:1.5;font-weight:600;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(18,58,107,.3);outline-offset:2px;border-radius:8px;}
.tnum{font-variant-numeric:tabular-nums;}

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

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;transition:box-shadow .25s ease;}
.site-header.is-scrolled{box-shadow:0 10px 28px -22px rgba(16,27,40,.6);}
.header-top{position:relative;border-bottom:1px solid var(--c-line);}
.header-top__inner{display:flex;align-items:center;gap:18px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand__mark{
  width:34px;height:34px;border-radius:9px;background:var(--c-primary);color:#fff;
  font-size:13.5px;font-weight:700;display:grid;place-items:center;letter-spacing:.02em;
}
.brand__text{font-size:19px;font-weight:700;color:var(--c-title);}
.brand:hover .brand__text{color:var(--c-primary);}
.header-quick{display:flex;align-items:center;gap:4px;flex:1 1 auto;min-width:0;}
.header-quick a{
  display:inline-block;padding:8px 12px;border-radius:8px;font-size:15px;color:var(--c-text);white-space:nowrap;
}
.header-quick a:hover{color:var(--c-primary);background:var(--c-primary-soft);}
.header-quick a.is-current{color:var(--c-primary);font-weight:700;}
.header-search{position:relative;flex:0 1 240px;min-width:150px;}
.header-search i{position:absolute;left:14px;top:50%;transform:translateY(-50%);font-size:13.5px;color:var(--c-muted);pointer-events:none;}
.header-search input{
  width:100%;height:44px;border:1px solid var(--c-line);border-radius:var(--r-btn);
  background:var(--c-bg);color:var(--c-text);padding:0 14px 0 38px;font-size:14.5px;
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.header-search input::placeholder{color:var(--c-muted);}
.header-search input:focus{outline:none;border-color:var(--c-primary);background:#fff;box-shadow:0 0 0 3px rgba(18,58,107,.14);}
.nav-toggle{
  display:none;place-items:center;width:44px;height:44px;border-radius:var(--r-btn);
  border:1px solid var(--c-line);background:#fff;color:var(--c-primary);font-size:17px;cursor:pointer;
  transition:background-color .2s ease,border-color .2s ease;
}
.nav-toggle:hover{background:var(--c-primary-soft);border-color:#cfdcec;}

.btn-mk{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;
  border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease;
  white-space:nowrap;
}
.btn-mk-primary{background:var(--c-primary);color:#fff;}
.btn-mk-primary:hover{background:var(--c-primary-dark);color:#fff;box-shadow:var(--sh-2);}
.btn-mk-primary:active{transform:translateY(1px);}
.btn-mk-ghost{background:#fff;border-color:var(--c-primary);color:var(--c-primary);}
.btn-mk-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);}
.btn-mk-lg{height:48px;padding:0 26px;}
.btn-mk-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--c-accent-dark);font-weight:600;
  border-bottom:1px solid transparent;height:auto;padding:2px 0;background:none;border-radius:0;
}
.btn-mk-link:hover{color:var(--c-accent-dark);border-bottom-color:var(--c-accent-dark);}

.nav-channels{background:#fff;border-bottom:1px solid var(--c-line);}
.nav-channels__inner{
  display:flex;align-items:center;gap:4px;height:48px;overflow-x:auto;
  scrollbar-width:none;-webkit-overflow-scrolling:touch;
  -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 14px,#000 calc(100% - 14px),transparent 100%);
  mask-image:linear-gradient(90deg,transparent 0,#000 14px,#000 calc(100% - 14px),transparent 100%);
}
.nav-channels__inner::-webkit-scrollbar{display:none;}
.channel{
  position:relative;flex:0 0 auto;display:inline-flex;align-items:center;height:48px;padding:0 14px;
  font-size:15px;color:var(--c-text);border-radius:8px;
}
.channel:hover{color:var(--c-primary);background:var(--c-primary-soft);}
.channel.is-active{color:var(--c-primary);font-weight:700;}
.channel.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;border-radius:3px 3px 0 0;background:var(--c-primary);
}

/* ============ 分类页头 ============ */
.page-head{
  position:relative;display:flex;align-items:center;min-height:220px;padding:34px 0 32px;color:#fff;
  background-image:linear-gradient(90deg,rgba(14,46,86,.88) 0%,rgba(14,46,86,.66) 58%,rgba(14,46,86,.44) 100%),
    url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.page-head .container{width:100%;}
.breadcrumb-mk{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.72);margin-bottom:12px;}
.breadcrumb-mk a{color:rgba(255,255,255,.88);}
.breadcrumb-mk a:hover{color:#fff;}
.breadcrumb-mk span[aria-current]{color:rgba(255,255,255,.72);}
.page-head h1{color:#fff;font-size:34px;line-height:1.3;margin:12px 0 10px;}
.page-head p{color:rgba(255,255,255,.86);max-width:740px;font-size:15.5px;line-height:1.85;}

.pill{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;line-height:1.6;
}
.pill--light{background:rgba(255,255,255,.16);color:#fff;border:1px solid rgba(255,255,255,.3);}
.pill--soft{background:var(--c-primary-soft);color:var(--c-primary);}
.pill--accent{background:var(--c-accent-soft);color:var(--c-accent-dark);}
.pill--onimg{background:rgba(255,255,255,.94);color:var(--c-primary);}

/* ============ 主体布局 ============ */
.layout{display:grid;grid-template-columns:280px minmax(0,1fr);gap:40px;padding:56px 0 0;align-items:start;}
.side-toc{position:sticky;top:132px;}
.toc-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:18px;box-shadow:var(--sh-1);}
.toc-card h2{font-size:16px;margin-bottom:12px;}
.toc-list{display:grid;gap:2px;}
.toc-list a{
  display:block;padding:9px 12px;border-left:3px solid transparent;border-radius:8px;
  font-size:14.5px;color:var(--c-text);transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.toc-list a:hover{background:var(--c-primary-soft);color:var(--c-primary);}
.toc-list a.is-current{background:var(--c-primary-soft);color:var(--c-primary);font-weight:600;border-left-color:var(--c-primary);}
.toc-note{margin-top:14px;padding-top:14px;border-top:1px solid var(--c-line);font-size:13px;color:var(--c-muted);line-height:1.7;}

.main-col{min-width:0;}
.section{padding-top:56px;scroll-margin-top:132px;}
.main-col > .section:first-child{padding-top:0;}
.section-head{margin-bottom:22px;}
.section-head h2{font-size:26px;}
.section-head p{margin-top:8px;font-size:14.5px;color:var(--c-muted);max-width:720px;}

/* 条目卡：横向 */
.entry-list{display:grid;gap:18px;}
.entry-card{
  display:grid;grid-template-columns:240px minmax(0,1fr);gap:20px;background:#fff;
  border:1px solid var(--c-line);border-radius:var(--r-card);padding:16px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.entry-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#d6e1ef;}
.entry-card__cover{position:relative;border-radius:var(--r-img);overflow:hidden;aspect-ratio:16/9;background:#eef2f7;}
.entry-card__cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.entry-card:hover .entry-card__cover img{transform:scale(1.03);}
.entry-card__tag{position:absolute;left:10px;top:10px;}
.entry-card__body{display:flex;flex-direction:column;min-width:0;}
.entry-card__body h3{font-size:19px;line-height:1.5;margin-bottom:8px;}
.entry-card:hover .entry-card__body h3{color:var(--c-primary);}
.entry-card__body p{font-size:14.5px;line-height:1.8;color:var(--c-text);}
.entry-card__meta{
  display:flex;flex-wrap:wrap;gap:16px;margin-top:auto;padding-top:14px;
  font-size:13.5px;color:var(--c-muted);font-variant-numeric:tabular-nums;
}
.entry-card__meta span{display:inline-flex;align-items:center;gap:6px;}
.entry-card__meta i{font-size:12px;color:var(--c-primary);opacity:.7;}

/* 信息核对 */
.check-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.82fr);gap:24px;align-items:start;}
.check-list{display:grid;gap:14px;}
.check-item{
  display:grid;grid-template-columns:44px minmax(0,1fr);gap:14px;background:#fff;
  border:1px solid var(--c-line);border-radius:var(--r-card);padding:16px 18px;box-shadow:var(--sh-1);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.check-item:hover{border-color:#d6e1ef;box-shadow:var(--sh-2);}
.check-item__num{
  width:44px;height:44px;border-radius:12px;background:var(--c-primary-soft);color:var(--c-primary);
  font-weight:700;font-size:15px;display:grid;place-items:center;font-variant-numeric:tabular-nums;
}
.check-item h3{font-size:17px;margin-bottom:4px;}
.check-item p{font-size:14.5px;color:var(--c-text);}
.check-aside{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);}
.check-aside img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.check-aside__body{padding:16px 18px;}
.check-aside__body h3{font-size:17px;margin-bottom:6px;}
.check-aside__body p{font-size:14px;color:var(--c-muted);}

/* 观赛流程 */
.flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.flow-step{
  position:relative;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px 20px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease;
}
.flow-step:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.flow-step__no{
  display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;
  background:var(--c-accent-soft);color:var(--c-accent-dark);font-weight:700;font-size:14px;
  font-variant-numeric:tabular-nums;margin-bottom:14px;
}
.flow-step h3{font-size:17px;margin-bottom:6px;}
.flow-step p{font-size:14px;color:var(--c-text);}

/* 适用场景 */
.scene-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.scene-card{
  display:flex;gap:16px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-1);transition:border-color .2s ease,box-shadow .2s ease;
}
.scene-card:hover{border-color:#d6e1ef;box-shadow:var(--sh-2);}
.scene-card i{
  flex:0 0 auto;width:44px;height:44px;border-radius:12px;background:var(--c-primary-soft);color:var(--c-primary);
  display:grid;place-items:center;font-size:18px;
}
.scene-card h3{font-size:17px;margin-bottom:6px;}
.scene-card p{font-size:14.5px;color:var(--c-text);}

/* FAQ */
.faq-mk{display:grid;gap:12px;}
.faq-mk .accordion-item{border:1px solid var(--c-line);border-radius:10px;background:#fff;overflow:hidden;}
.faq-mk .accordion-button{
  font-size:16.5px;font-weight:600;color:var(--c-title);background:#fff;padding:18px 20px;
  box-shadow:none !important;border-radius:10px !important;
}
.faq-mk .accordion-button:not(.collapsed){background:var(--c-primary-soft);color:var(--c-primary);}
.faq-mk .accordion-button::after{
  background-image:none;content:"+";font-size:20px;font-weight:600;color:var(--c-primary);
  width:auto;height:auto;display:grid;place-items:center;line-height:1;transition:transform .2s ease;
}
.faq-mk .accordion-button:not(.collapsed)::after{content:"−";transform:none;}
.faq-mk .accordion-button:focus{outline:none;box-shadow:0 0 0 3px rgba(18,58,107,.14) !important;}
.faq-mk .accordion-body{padding:0 20px 20px;font-size:15px;color:var(--c-text);line-height:1.85;}

/* CTA 条 */
.cta-bar{margin-top:56px;background:var(--c-primary-soft);border-top:1px solid #d9e4f1;border-bottom:1px solid #d9e4f1;padding:32px 0;}
.cta-bar__inner{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;}
.cta-bar p{font-size:16px;font-weight:600;color:var(--c-primary-dark);max-width:640px;}
.cta-bar__actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta-bar .btn-mk.is-saved{background:var(--c-primary-soft);color:var(--c-primary-dark);border-color:var(--c-primary);}

/* 相关分类 */
.related-section{padding:56px 0 0;}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:22px;}
.related-card{
  display:block;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.related-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#d6e1ef;color:var(--c-primary);}
.related-card h3{font-size:17px;margin-bottom:8px;}
.related-card:hover h3{color:var(--c-primary);}
.related-card p{font-size:14px;color:var(--c-muted);}
.related-card span.more{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:14px;font-weight:600;color:var(--c-accent-dark);}

/* 页脚 */
.site-footer{background:#0E2E56;color:rgba(255,255,255,.7);padding:56px 0 0;margin-top:56px;font-size:14.5px;line-height:1.8;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.14);}
.site-footer h4{color:#fff;font-size:15.5px;margin-bottom:14px;font-weight:600;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand__mark{width:32px;height:32px;border-radius:8px;background:var(--c-accent);color:#fff;font-size:12.5px;font-weight:700;display:grid;place-items:center;}
.footer-brand__text{color:#fff;font-size:18px;font-weight:700;}
.footer-links{display:grid;gap:10px;}
.footer-links a{color:rgba(255,255,255,.72);}
.footer-links a:hover{color:#fff;}
.footer-search input{
  width:100%;height:44px;border-radius:10px;border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.08);color:#fff;padding:0 14px;font-size:14.5px;
  transition:border-color .2s ease,background-color .2s ease;
}
.footer-search input::placeholder{color:rgba(255,255,255,.5);}
.footer-search input:focus{outline:none;border-color:rgba(255,255,255,.6);background:rgba(255,255,255,.14);}
.footer-bottom{
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  padding:18px 0 26px;font-size:13px;color:rgba(255,255,255,.6);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .layout{grid-template-columns:240px minmax(0,1fr);gap:28px;}
  h1{font-size:34px;}
}
@media (max-width:991.98px){
  .header-quick{display:none;}
  .header-search{display:none;}
  .nav-toggle{display:grid;margin-left:auto;}
  .header-quick.is-open{
    display:flex;flex-direction:column;align-items:stretch;gap:2px;position:absolute;
    left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--c-line);
    box-shadow:var(--sh-2);padding:10px 24px 16px;z-index:1040;
  }
  .header-quick.is-open a{padding:11px 12px;border-radius:8px;font-size:15px;}
  .layout{grid-template-columns:1fr;gap:0;padding-top:40px;}
  .side-toc{position:static;margin-bottom:32px;}
  .toc-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;}
  .check-grid{grid-template-columns:1fr;}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr));}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .page-head{padding:30px 0 28px;}
  .page-head h1{font-size:28px;}
  h2{font-size:23px;}
}
@media (max-width:767.98px){
  .entry-card{grid-template-columns:1fr;gap:14px;}
  .scene-grid{grid-template-columns:1fr;}
  .cta-bar__inner{flex-direction:column;align-items:flex-start;}
  .section{padding-top:44px;}
  .layout{padding-top:32px;}
}
@media (max-width:575.98px){
  .container{padding-left:18px;padding-right:18px;}
  .header-top__inner{height:56px;gap:12px;}
  .brand__text{font-size:16.5px;}
  .brand__mark{width:30px;height:30px;font-size:12px;}
  h1{font-size:28px;}
  .page-head h1{font-size:24px;}
  .page-head p{font-size:14.5px;}
  .flow{grid-template-columns:1fr;}
  .toc-list{grid-template-columns:1fr;}
  .related-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-bar__actions{width:100%;}
  .cta-bar__actions .btn-mk{flex:1 1 auto;}
  .section-head h2{font-size:21px;}
}

/* roulang page: article */
:root{
  --c-primary:#123A6B;
  --c-primary-dark:#0E2E56;
  --c-primary-soft:#E7EEF7;
  --c-accent:#E8552F;
  --c-accent-dark:#C7431F;
  --c-accent-soft:#FDEEE8;
  --c-teal:#0E9B8A;
  --c-title:#101B28;
  --c-text:#45566A;
  --c-muted:#7C8B9C;
  --c-line:#E3E9F0;
  --c-bg:#F5F7FA;
  --c-card:#FFFFFF;
  --c-success:#17845A;
  --c-warn:#D9822B;
  --c-error:#C0392B;
  --radius-card:14px;
  --radius-img:10px;
  --radius-btn:10px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(16,27,40,.05), 0 8px 20px -14px rgba(16,27,40,.18);
  --shadow-2:0 2px 4px rgba(16,27,40,.06), 0 18px 36px -20px rgba(18,58,107,.35);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease,background-color .2s ease;}
a:hover{color:var(--c-teal);}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4,h5{margin:0;color:var(--c-title);font-weight:700;letter-spacing:.01em;}
p{margin:0;}
ul,ol{margin:0;}
:focus-visible{outline:3px solid rgba(18,58,107,.35);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding-left:24px;padding-right:24px;}
.tnum{font-variant-numeric:tabular-nums;}

/* ---------- 顶部双层导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 10px 26px -18px rgba(16,27,40,.55);}
.header-top__inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:68px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand__mark{
  width:34px;height:34px;border-radius:9px;
  background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:800;letter-spacing:.02em;
}
.brand__text{font-size:18px;font-weight:700;color:var(--c-title);white-space:nowrap;}
.brand:hover .brand__text{color:var(--c-primary);}
.header-search{position:relative;flex:1 1 auto;max-width:400px;}
.header-search i{
  position:absolute;left:14px;top:50%;transform:translateY(-50%);
  color:var(--c-muted);font-size:14px;pointer-events:none;
}
.header-search input{
  width:100%;height:44px;
  border:1px solid var(--c-line);
  border-radius:var(--radius-btn);
  background:#fff;
  padding:0 16px 0 40px;
  color:var(--c-text);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.header-search input::placeholder{color:var(--c-muted);}
.header-search input:focus{
  outline:none;border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(18,58,107,.12);
}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  font-size:15px;font-weight:600;
  cursor:pointer;
  transition:background-color .2s ease,color .2s ease,box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.btn-brand--primary{background:var(--c-primary);color:#fff;}
.btn-brand--primary:hover{background:var(--c-primary-dark);color:#fff;box-shadow:0 12px 26px -14px rgba(14,46,86,.85);}
.btn-brand--ghost{background:#fff;color:var(--c-primary);border-color:rgba(18,58,107,.35);}
.btn-brand--ghost:hover{background:var(--c-primary-soft);color:var(--c-primary);}
.btn-brand--lg{height:48px;padding:0 26px;font-size:16px;}
.btn-brand:active{transform:translateY(1px);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--radius-btn);
  border:1px solid var(--c-line);background:#fff;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-primary);}
.nav-toggle:hover{border-color:rgba(18,58,107,.35);background:var(--c-primary-soft);}
.nav-channels{border-top:1px solid var(--c-line);background:#fff;}
.nav-channels__inner{
  display:flex;align-items:center;gap:8px;
  height:48px;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.nav-channels__inner::-webkit-scrollbar{display:none;}
.channel{
  position:relative;flex:0 0 auto;
  padding:8px 14px;
  border-radius:var(--radius-pill);
  font-size:15px;font-weight:500;
  color:var(--c-text);
  white-space:nowrap;
}
.channel:hover{background:var(--c-primary-soft);color:var(--c-primary);}
.channel.is-active{color:var(--c-primary);font-weight:600;}
.channel.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;
  height:3px;border-radius:2px;background:var(--c-primary);
}
.mobile-panel{display:none;border-top:1px solid var(--c-line);background:#fff;padding:12px 0 20px;}
.mobile-panel.is-open{display:block;}
.mobile-panel a.m-link{
  display:block;padding:12px 4px;font-size:16px;font-weight:500;
  color:var(--c-title);border-bottom:1px solid var(--c-line);
}
.mobile-panel a.m-link:hover{color:var(--c-primary);}
.mobile-panel .m-cta{margin-top:16px;display:flex;}

/* ---------- 文章头部 ---------- */
.article-hero{
  position:relative;
  background-image:linear-gradient(100deg,rgba(14,46,86,.90) 0%,rgba(18,58,107,.72) 48%,rgba(14,46,86,.55) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  color:#fff;
  padding:60px 0 52px;
}
.article-hero__pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.28);
  color:#fff;font-size:13.5px;font-weight:600;
  margin-bottom:20px;
}
.article-hero h1{
  color:#fff;
  font-size:40px;line-height:1.25;font-weight:700;
  max-width:900px;
  margin:0 0 20px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  font-size:14px;color:rgba(255,255,255,.82);
  padding-top:18px;
  border-top:1px solid rgba(255,255,255,.22);
}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:8px;font-variant-numeric:tabular-nums;}
.article-meta i{font-size:13px;opacity:.85;}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--c-line);}
.crumb-bar__inner{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  padding:14px 0;font-size:13.5px;color:var(--c-muted);
}
.crumb-bar a{color:var(--c-text);}
.crumb-bar a:hover{color:var(--c-primary);}
.crumb-bar .sep{color:#C6D0DC;}
.crumb-bar .current{color:var(--c-title);font-weight:600;max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 正文布局 ---------- */
.article-wrap{
  display:grid;
  grid-template-columns:280px minmax(0,1fr);
  gap:32px;
  align-items:start;
  padding:40px 0 64px;
}
.side-card{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  padding:22px 20px;
  margin-bottom:20px;
}
.side-sticky{position:sticky;top:132px;}
.side-card h3{font-size:16px;margin-bottom:14px;}
.side-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:2px;}
.side-list a{
  display:block;padding:10px 12px;border-radius:8px;
  font-size:14.5px;color:var(--c-text);
}
.side-list a:hover{background:var(--c-primary-soft);color:var(--c-primary);}
.side-facts{display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--c-muted);}
.side-facts span{color:var(--c-title);font-weight:600;}
.article-paper{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  padding:40px 44px 36px;
}
.article-body{font-size:17px;line-height:1.9;color:var(--c-text);}
.article-body h2{
  position:relative;
  font-size:24px;line-height:1.4;
  margin:44px 0 16px;
  padding-left:16px;
  scroll-margin-top:132px;
}
.article-body h2:first-child{margin-top:0;}
.article-body h2::before{
  content:"";position:absolute;left:0;top:7px;
  width:4px;height:22px;border-radius:2px;background:var(--c-primary);
}
.article-body h3{font-size:19px;line-height:1.5;margin:32px 0 12px;scroll-margin-top:132px;}
.article-body h4{font-size:17px;line-height:1.5;margin:24px 0 10px;}
.article-body p{margin:0 0 1.2em;}
.article-body a{color:var(--c-primary);border-bottom:1px solid rgba(18,58,107,.28);}
.article-body a:hover{color:var(--c-teal);border-bottom-color:var(--c-teal);}
.article-body ul,.article-body ol{padding-left:1.35em;margin:0 0 1.3em;}
.article-body li{margin:.45em 0;}
.article-body ul li::marker{color:var(--c-primary);}
.article-body ol li::marker{color:var(--c-primary);font-weight:600;}
.article-body blockquote{
  margin:0 0 1.4em;
  padding:16px 22px;
  border-left:4px solid var(--c-primary);
  background:var(--c-primary-soft);
  border-radius:0 10px 10px 0;
  color:#2A3B52;
  font-size:16.5px;
}
.article-body img{
  border-radius:var(--radius-img);
  margin:26px auto;
  width:100%;
  height:auto;
}
.article-body figure{margin:26px 0;}
.article-body figcaption{
  text-align:center;font-size:13px;color:var(--c-muted);margin-top:10px;
}
.article-body table{
  width:100%;border-collapse:collapse;margin:0 0 1.5em;
  font-size:15px;font-variant-numeric:tabular-nums;
  border:1px solid var(--c-line);border-radius:var(--radius-img);overflow:hidden;
}
.article-body th{
  background:var(--c-primary-soft);color:var(--c-primary);
  font-weight:600;text-align:left;
  padding:12px 14px;border-bottom:1px solid var(--c-line);
}
.article-body td{padding:12px 14px;border-bottom:1px solid var(--c-line);}
.article-body tr:last-child td{border-bottom:none;}
.article-body hr{border:none;border-top:1px solid var(--c-line);margin:32px 0;}
.article-body code{
  background:var(--c-primary-soft);color:var(--c-primary-dark);
  padding:2px 6px;border-radius:6px;font-size:.92em;
}

/* ---------- 空态 ---------- */
.empty-state{
  border:1px dashed #C6D3E2;
  border-radius:var(--radius-card);
  min-height:220px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  text-align:center;padding:32px 20px;
  color:var(--c-muted);
}
.empty-state svg{width:52px;height:52px;stroke:rgba(18,58,107,.4);fill:none;stroke-width:1.6;}
.empty-state p{font-size:15px;}

/* ---------- 文末标签与操作条 ---------- */
.article-tags{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:36px;padding-top:24px;border-top:1px solid var(--c-line);
}
.article-tags .tag-label{font-size:14px;color:var(--c-muted);margin-right:2px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--radius-pill);
  background:var(--c-primary-soft);color:var(--c-primary);
  font-size:13.5px;font-weight:600;
}
.tag:hover{background:#D8E5F4;color:var(--c-primary-dark);}
.share-bar{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  margin-top:24px;padding:20px 24px;
  background:var(--c-primary-soft);
  border-radius:var(--radius-card);
}
.share-bar p{font-size:15px;color:var(--c-primary-dark);font-weight:600;}
.share-bar__actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 频道推荐 ---------- */
.section{padding:64px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap;}
.section-head h2{font-size:28px;line-height:1.35;}
.section-head p{font-size:14.5px;color:var(--c-muted);margin-top:8px;}
.section-head .more-link{font-size:14.5px;font-weight:600;color:var(--c-accent);border-bottom:1px solid transparent;}
.section-head .more-link:hover{color:var(--c-accent-dark);border-bottom-color:var(--c-accent-dark);}
.rec-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.rec-card{
  display:flex;flex-direction:column;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.rec-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.rec-card__media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#DDE5EF;}
.rec-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.rec-card:hover .rec-card__media img{transform:scale(1.03);}
.rec-card__pill{
  position:absolute;left:12px;top:12px;
  padding:4px 12px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.94);color:var(--c-primary);
  font-size:12.5px;font-weight:600;
}
.rec-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;}
.rec-card__body h3{font-size:18px;line-height:1.5;}
.rec-card__body p{font-size:14.5px;color:var(--c-text);}
.rec-card__link{margin-top:auto;font-size:14.5px;font-weight:600;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px;}
.rec-card:hover .rec-card__link{color:var(--c-accent);}

/* ---------- 说明区 / 返回入口 ---------- */
.note-block{
  background:#fff;
  border:1px solid var(--c-line);
  border-left:4px solid var(--c-primary);
  border-radius:0 var(--radius-card) var(--radius-card) 0;
  padding:24px 26px;
  box-shadow:var(--shadow-1);
}
.note-block h3{font-size:18px;margin-bottom:10px;}
.note-block p{font-size:15px;color:var(--c-text);}
.back-row{display:flex;justify-content:center;margin-top:28px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary-dark);color:rgba(255,255,255,.7);padding:56px 0 0;margin-top:8px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand__mark{
  width:32px;height:32px;border-radius:9px;background:rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:14px;
}
.footer-brand__text{color:#fff;font-size:17px;font-weight:700;}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.68);}
.site-footer h4{color:#fff;font-size:15.5px;margin-bottom:16px;font-weight:600;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:rgba(255,255,255,.7);font-size:14px;}
.footer-links a:hover{color:#fff;}
.footer-search input{
  width:100%;height:44px;border-radius:var(--radius-btn);
  border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.08);
  color:#fff;padding:0 14px;
  transition:border-color .2s ease,background-color .2s ease;
}
.footer-search input::placeholder{color:rgba(255,255,255,.5);}
.footer-search input:focus{outline:none;border-color:rgba(255,255,255,.7);background:rgba(255,255,255,.14);}
.footer-bottom{
  margin-top:44px;padding:20px 0;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .article-wrap{grid-template-columns:minmax(0,1fr);}
  .side-sticky{position:static;}
  .article-side{order:2;}
  .rec-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:991.98px){
  .header-search{max-width:260px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
  .article-hero h1{font-size:32px;}
}
@media (max-width:767.98px){
  .container{padding-left:18px;padding-right:18px;}
  .header-top__inner{height:56px;gap:14px;}
  .header-search{display:none;}
  .header-actions .btn-brand{display:none;}
  .nav-toggle{display:flex;}
  .nav-channels__inner{height:44px;}
  .article-hero{padding:40px 0 34px;}
  .article-hero h1{font-size:28px;line-height:1.3;}
  .crumb-bar .current{max-width:200px;}
  .article-wrap{padding:28px 0 48px;gap:24px;}
  .article-paper{padding:24px 20px 24px;}
  .article-body{font-size:16.5px;line-height:1.9;}
  .article-body h2{font-size:21px;margin-top:34px;}
  .article-body h3{font-size:18px;}
  .section{padding:48px 0;}
  .section-head h2{font-size:22px;}
  .rec-grid{grid-template-columns:minmax(0,1fr);}
  .share-bar{padding:18px;}
  .share-bar__actions{width:100%;}
  .share-bar__actions .btn-brand{flex:1 1 auto;}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .article-body table{font-size:14px;}
  .article-body th,.article-body td{padding:10px;}
}
@media (max-width:519.98px){
  .article-hero h1{font-size:25px;}
  .article-meta{gap:8px 16px;font-size:13.5px;}
  .btn-brand{padding:0 18px;font-size:14.5px;}
}

/* roulang page: category2 */
:root{
  --c-primary:#123A6B;
  --c-primary-dark:#0E2E56;
  --c-primary-light:#E7EEF7;
  --c-accent:#E8552F;
  --c-accent-dark:#C7431F;
  --c-teal:#0E9B8A;
  --c-title:#101B28;
  --c-text:#45566A;
  --c-muted:#7C8B9C;
  --c-line:#E3E9F0;
  --c-bg:#F5F7FA;
  --c-card:#FFFFFF;
  --sh-1:0 1px 2px rgba(16,27,40,.05), 0 8px 20px -14px rgba(16,27,40,.18);
  --sh-2:0 2px 4px rgba(16,27,40,.06), 0 18px 36px -20px rgba(18,58,107,.35);
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  color:var(--c-text);
  background:var(--c-bg);
}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-teal)}
h1,h2,h3,h4{color:var(--c-title);margin:0;font-weight:700}
h1{font-size:40px;line-height:1.25}
h2{font-size:28px;line-height:1.35}
h3{font-size:20px;line-height:1.5;font-weight:600}
h4{font-size:17px;line-height:1.5;font-weight:600}
p{margin:0 0 16px}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums}
.container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto}
.section{padding:80px 0}
.section--tight{padding:56px 0}
.section--alt{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
[id]{scroll-margin-top:132px}
@media (max-width:991.98px){[id]{scroll-margin-top:104px}}

/* ============ header / nav ============ */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;box-shadow:0 1px 0 var(--c-line);transition:box-shadow .25s ease}
.site-header.is-scrolled{box-shadow:0 6px 22px -14px rgba(16,27,40,.35),0 1px 0 var(--c-line)}
.topbar{height:68px}
.topbar__inner{display:flex;align-items:center;gap:20px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand__mark{width:36px;height:36px;border-radius:9px;background:var(--c-primary);color:#fff;display:grid;place-items:center;font-size:15px;font-weight:700;letter-spacing:.02em}
.brand__text{font-size:19px;font-weight:700;color:var(--c-title);white-space:nowrap}
.topbar__spacer{flex:1}
.topbar__search{position:relative;width:260px}
.topbar__search svg{position:absolute;left:13px;top:50%;transform:translateY(-50%);width:16px;height:16px;stroke:var(--c-muted);fill:none;stroke-width:1.8}
.topbar__search input{width:100%;height:44px;border:1px solid var(--c-line);border-radius:var(--r-btn);background:#fff;padding:0 14px 0 38px;font-size:15px;color:var(--c-title);outline:none;transition:border-color .2s,box-shadow .2s}
.topbar__search input::placeholder{color:var(--c-muted)}
.topbar__search input:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(18,58,107,.15)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:background .2s,color .2s,border-color .2s,box-shadow .2s,transform .2s}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(18,58,107,.28)}
.btn--primary{background:var(--c-primary);color:#fff}
.btn--primary:hover{background:var(--c-primary-dark);color:#fff;box-shadow:var(--sh-2)}
.btn--primary:active{transform:translateY(1px)}
.btn--ghost{background:#fff;color:var(--c-primary);border-color:var(--c-primary)}
.btn--ghost:hover{background:var(--c-primary-light);color:var(--c-primary-dark)}
.btn--lg{height:48px;padding:0 26px;font-size:16px}
.btn--accent{background:var(--c-accent-dark);color:#fff}
.btn--accent:hover{background:var(--c-accent);color:#fff}
.btn--text{background:none;border:0;padding:0;height:auto;color:var(--c-accent-dark);font-weight:600;border-bottom:2px solid rgba(232,85,47,.35)}
.btn--text:hover{color:var(--c-accent-dark);border-bottom-color:var(--c-accent-dark)}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--c-line);border-radius:var(--r-btn);background:#fff;align-items:center;justify-content:center;cursor:pointer}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-primary);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-primary)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-panel{display:none;border-top:1px solid var(--c-line);background:#fff;padding:16px 0 20px}
.mobile-panel.is-open{display:block}
.mobile-panel .topbar__search{width:100%;margin-bottom:14px}
.mobile-panel__links{display:flex;flex-direction:column;gap:4px}
.mobile-panel__links a{padding:11px 12px;border-radius:10px;color:var(--c-text);font-size:15px}
.mobile-panel__links a:hover{background:var(--c-primary-light);color:var(--c-primary)}
.mobile-panel__links a.is-active{color:var(--c-primary);font-weight:600;background:var(--c-primary-light)}
.nav-channels{border-top:1px solid var(--c-line);background:#fff}
.nav-channels__inner{display:flex;align-items:center;gap:8px;height:48px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.nav-channels__inner::-webkit-scrollbar{display:none}
.channel{position:relative;flex:0 0 auto;padding:7px 15px;border-radius:var(--r-pill);color:var(--c-text);font-size:15px;white-space:nowrap;transition:background .2s,color .2s}
.channel:hover{background:var(--c-primary-light);color:var(--c-primary)}
.channel.is-active{background:var(--c-primary-light);color:var(--c-primary);font-weight:600}
.channel.is-active::after{content:"";position:absolute;left:15px;right:15px;bottom:-9px;height:3px;border-radius:3px;background:var(--c-primary)}

/* ============ page head ============ */
.page-head{padding:40px 0 8px;background:#fff;border-bottom:1px solid var(--c-line)}
.breadcrumb-line{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--c-muted);margin-bottom:18px}
.breadcrumb-line a{color:var(--c-muted)}
.breadcrumb-line a:hover{color:var(--c-primary)}
.breadcrumb-line .sep{opacity:.6}
.page-head h1{margin-bottom:14px}
.page-head__lead{max-width:760px;font-size:16px;color:var(--c-text)}
.page-head__meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.tag{display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:var(--r-pill);font-size:13px;background:var(--c-primary-light);color:var(--c-primary);font-weight:600}
.tag--accent{background:#FDEBE5;color:var(--c-accent-dark)}
.index-row{display:flex;gap:8px;overflow-x:auto;padding:18px 0 22px;scrollbar-width:none}
.index-row::-webkit-scrollbar{display:none}
.index-row a{flex:0 0 auto;padding:7px 16px;border:1px solid var(--c-line);border-radius:var(--r-pill);font-size:14px;color:var(--c-text);background:#fff}
.index-row a:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-light)}

/* ============ section head ============ */
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--c-accent-dark);margin-bottom:10px}
.section-lead{max-width:520px;color:var(--c-muted);font-size:15px}
.link-more{font-size:15px;font-weight:600;color:var(--c-primary);border-bottom:2px solid rgba(18,58,107,.2)}
.link-more:hover{color:var(--c-primary-dark);border-bottom-color:var(--c-primary)}

/* ============ mini cards grid ============ */
.mini-card{height:100%;background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.mini-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D3DEEC}
.mini-card__media{position:relative;display:block;aspect-ratio:16/9;overflow:hidden;background:var(--c-primary-light)}
.mini-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.mini-card:hover .mini-card__media img{transform:scale(1.03)}
.mini-card__media .pill{position:absolute;left:10px;top:10px;background:rgba(255,255,255,.94);color:var(--c-primary);font-size:12.5px;font-weight:600;padding:4px 11px;border-radius:var(--r-pill)}
.mini-card__body{padding:18px 18px 20px}
.mini-card__body h3{font-size:17px;margin-bottom:8px}
.mini-card__body h3 a{color:var(--c-title)}
.mini-card__body h3 a:hover{color:var(--c-primary)}
.mini-card__body p{font-size:14.5px;line-height:1.75;color:var(--c-text);margin-bottom:14px}
.mini-card__foot{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-muted);border-top:1px solid var(--c-line);padding-top:12px}
.mini-card__foot .arrow{color:var(--c-primary);font-weight:700}

/* ============ fields block ============ */
.fields-wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:48px;align-items:start}
.note-block{background:#fff;border-left:4px solid var(--c-primary);border-radius:0 var(--r-card) var(--r-card) 0;padding:24px 26px;box-shadow:var(--sh-1)}
.field-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.field-item{background:#fff;border:1px solid var(--c-line);border-radius:12px;padding:14px 16px;display:flex;gap:12px;align-items:flex-start}
.field-item .dot{flex:0 0 auto;width:8px;height:8px;border-radius:50%;background:var(--c-teal);margin-top:9px}
.field-item strong{display:block;font-size:15px;color:var(--c-title);font-weight:600}
.field-item span{font-size:13.5px;color:var(--c-muted);line-height:1.7}

/* ============ flow ============ */
.flow-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.flow-item{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:24px 22px;box-shadow:var(--sh-1);transition:transform .2s,box-shadow .2s}
.flow-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.flow-item .idx{font-variant-numeric:tabular-nums;font-size:26px;font-weight:700;color:rgba(18,58,107,.22);letter-spacing:.02em;margin-bottom:10px}
.flow-item h3{font-size:17px;margin-bottom:8px}
.flow-item p{font-size:14.5px;line-height:1.75;color:var(--c-text);margin:0}

/* ============ scenes ============ */
.scene-list{display:grid;gap:16px}
.scene{display:grid;grid-template-columns:64px minmax(0,1fr) minmax(0,260px);gap:22px;align-items:center;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:22px 24px;box-shadow:var(--sh-1);transition:border-color .2s,box-shadow .2s,transform .2s}
.scene:hover{border-color:#D3DEEC;box-shadow:var(--sh-2);transform:translateY(-2px)}
.scene__icon{width:64px;height:64px;border-radius:14px;background:var(--c-primary-light);display:grid;place-items:center;font-size:22px;color:var(--c-primary);font-weight:700}
.scene h3{font-size:18px;margin-bottom:6px}
.scene p{font-size:14.5px;line-height:1.75;margin:0;color:var(--c-text)}
.scene__tags{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end}
.scene__tags span{font-size:13px;padding:5px 12px;border-radius:var(--r-pill);background:var(--c-bg);border:1px solid var(--c-line);color:var(--c-text)}

/* ============ faq ============ */
.faq-wrap{max-width:880px}
.faq .accordion-item{border:0;border-bottom:1px solid var(--c-line);background:transparent}
.faq .accordion-item:first-child{border-top:1px solid var(--c-line)}
.faq .accordion-header{margin:0}
.faq .accordion-button{background:transparent;border:0;border-radius:10px;padding:20px 8px;font-size:17px;font-weight:600;color:var(--c-title);box-shadow:none}
.faq .accordion-button:not(.collapsed){background:var(--c-primary-light);color:var(--c-primary)}
.faq .accordion-button:focus{box-shadow:0 0 0 3px rgba(18,58,107,.18);border-radius:10px}
.faq .accordion-button::after{filter:none}
.faq .accordion-body{padding:6px 8px 22px;font-size:15px;line-height:1.85;color:var(--c-text);max-width:760px}

/* ============ cta strip ============ */
.cta-strip{background:var(--c-primary-light);border-radius:18px;padding:26px 28px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px}
.cta-strip__text{display:flex;align-items:center;gap:12px;font-size:16px;font-weight:600;color:var(--c-primary)}
.cta-strip__actions{display:flex;flex-wrap:wrap;gap:12px}

/* ============ related ============ */
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.related-card{display:block;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1);transition:transform .2s,box-shadow .2s,border-color .2s}
.related-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D3DEEC}
.related-card span{display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.1em;color:var(--c-accent-dark);margin-bottom:10px}
.related-card h3{font-size:18px;color:var(--c-title);margin-bottom:8px}
.related-card:hover h3{color:var(--c-primary)}
.related-card p{font-size:14px;line-height:1.75;color:var(--c-text);margin:0}

/* ============ footer ============ */
.site-footer{background:var(--c-primary-dark);color:rgba(255,255,255,.7);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand__mark{width:34px;height:34px;border-radius:9px;background:rgba(255,255,255,.12);color:#fff;display:grid;place-items:center;font-size:14px;font-weight:700}
.footer-brand__text{color:#fff;font-size:17px;font-weight:700}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);margin:0}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:rgba(255,255,255,.7);font-size:14px}
.footer-links a:hover{color:#fff}
.footer-search input{width:100%;height:44px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.08);color:#fff;padding:0 14px;font-size:14px;outline:none;transition:border-color .2s,box-shadow .2s}
.footer-search input::placeholder{color:rgba(255,255,255,.5)}
.footer-search input:focus{border-color:rgba(255,255,255,.6);box-shadow:0 0 0 3px rgba(255,255,255,.12)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding:20px 0;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.55)}

/* ============ responsive ============ */
@media (max-width:1199.98px){
  .fields-wrap{gap:32px}
}
@media (max-width:991.98px){
  h1{font-size:32px}
  h2{font-size:24px}
  .topbar__search{display:none}
  .topbar__cta{display:none}
  .nav-toggle{display:inline-flex}
  .topbar__spacer{display:none}
  .topbar__inner{justify-content:space-between}
  .section{padding:60px 0}
  .fields-wrap{grid-template-columns:1fr}
  .flow-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .related-grid{grid-template-columns:1fr}
  .scene{grid-template-columns:56px minmax(0,1fr);align-items:start}
  .scene__tags{grid-column:1 / -1;justify-content:flex-start}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
}
@media (max-width:575.98px){
  h1{font-size:28px;line-height:1.3}
  h2{font-size:22px}
  .container{padding-left:16px;padding-right:16px}
  .section{padding:52px 0}
  .topbar,.topbar__inner{height:56px}
  .nav-channels__inner{height:44px}
  .brand__text{font-size:17px}
  .field-list{grid-template-columns:1fr}
  .flow-grid{grid-template-columns:1fr}
  .cta-strip{padding:22px}
  .footer-grid{grid-template-columns:1fr}
}

/* roulang page: category3 */
:root{
  --c-primary:#123A6B;
  --c-primary-dark:#0E2E56;
  --c-primary-soft:#E7EEF7;
  --c-soft:#EDF3FA;
  --c-accent:#E8552F;
  --c-accent-dark:#C7431F;
  --c-accent-soft:#FDEDE8;
  --c-teal:#0E9B8A;
  --c-ink:#101B28;
  --c-body:#45566A;
  --c-muted:#7C8B9C;
  --c-line:#E3E9F0;
  --c-bg:#F5F7FA;
  --c-card:#FFFFFF;
  --r-card:14px;
  --r-img:10px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(16,27,40,.05),0 8px 20px -14px rgba(16,27,40,.18);
  --sh-2:0 2px 4px rgba(16,27,40,.06),0 18px 36px -20px rgba(18,58,107,.35);
  --font:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",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;
  letter-spacing:.01em;
  color:var(--c-body);
  background:var(--c-bg);
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-teal)}
h1,h2,h3,h4{color:var(--c-ink);font-weight:700;letter-spacing:.01em;margin:0 0 12px}
h1{font-size:40px;line-height:1.25}
h2{font-size:28px;line-height:1.35}
h3{font-size:20px;line-height:1.5;font-weight:600}
h4{font-size:17px;line-height:1.5;font-weight:600}
p{margin:0 0 14px}
ul,ol{margin:0;padding:0;list-style:none}
button,input{font-family:inherit;font-size:inherit}
:focus-visible{outline:3px solid rgba(18,58,107,.35);outline-offset:2px;border-radius:6px}
[id]{scroll-margin-top:132px}

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

/* ---------- 按钮 ---------- */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.btn-x:focus-visible{outline:3px solid rgba(18,58,107,.35);outline-offset:2px}
.btn-x--primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1)}
.btn-x--primary:hover{background:var(--c-primary-dark);color:#fff;box-shadow:var(--sh-2);transform:translateY(-1px)}
.btn-x--primary:active{transform:translateY(0)}
.btn-x--ghost{background:#fff;color:var(--c-primary);border-color:var(--c-primary)}
.btn-x--ghost:hover{background:var(--c-primary-soft);color:var(--c-primary-dark)}
.btn-x--lg{height:48px;padding:0 26px;font-size:16px}
.btn-link-x{
  background:none;border:0;padding:0;height:auto;cursor:pointer;
  color:var(--c-accent-dark);font-weight:600;font-size:15px;
  text-decoration:underline;text-underline-offset:4px;
}
.btn-link-x:hover{color:var(--c-accent);text-decoration-thickness:2px}

/* ---------- 双层导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--c-line);transition:box-shadow .2s ease}
.site-header.is-scrolled{box-shadow:0 6px 24px -16px rgba(16,27,40,.45)}
.topbar__inner{display:flex;align-items:center;gap:24px;min-height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand__mark{
  width:36px;height:36px;border-radius:10px;background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;letter-spacing:.02em;
}
.brand__text{font-size:19px;font-weight:700;color:var(--c-ink);transition:color .2s ease}
.brand:hover .brand__text{color:var(--c-primary)}
.topbar__search{position:relative;flex:1 1 auto;max-width:420px}
.topbar__search i{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--c-muted);font-size:14px}
.topbar__search input{
  width:100%;height:44px;border:1px solid var(--c-line);background:var(--c-bg);
  border-radius:var(--r-btn);padding:0 16px 0 38px;color:var(--c-ink);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.topbar__search input::placeholder{color:var(--c-muted)}
.topbar__search input:focus{outline:none;background:#fff;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(18,58,107,.15)}
.topbar__acts{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--c-line);background:#fff;
  border-radius:10px;color:var(--c-primary);align-items:center;justify-content:center;
}
.nav-toggle:hover{background:var(--c-primary-soft)}
.mobile-menu{border-top:1px solid var(--c-line);background:#fff}
.mobile-menu .container{display:flex;flex-direction:column;padding-top:6px;padding-bottom:14px}
.mobile-menu a{padding:12px 0;font-size:15px;color:var(--c-body);border-bottom:1px solid var(--c-line)}
.mobile-menu a:last-child{border-bottom:0}
.mobile-menu a.is-active{color:var(--c-primary);font-weight:600}
.nav-channels{border-top:1px solid var(--c-line);background:#fff}
.nav-channels__inner{display:flex;align-items:center;gap:6px;height:48px;overflow-x:auto;scrollbar-width:none}
.nav-channels__inner::-webkit-scrollbar{display:none}
.channel{
  position:relative;flex:0 0 auto;height:48px;padding:0 14px;
  display:inline-flex;align-items:center;font-size:15px;color:var(--c-body);
  border-radius:999px;transition:color .2s ease,background .2s ease;
}
.channel:hover{color:var(--c-primary);background:var(--c-primary-soft)}
.channel.is-active{color:var(--c-primary);font-weight:600}
.channel.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;background:var(--c-primary);border-radius:3px 3px 0 0}

/* ---------- 页头 ---------- */
.page-head{background:#fff;padding:56px 0 44px;border-bottom:1px solid var(--c-line)}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--c-muted);margin-bottom:18px}
.crumb a{color:var(--c-muted)}
.crumb a:hover{color:var(--c-primary)}
.crumb__sep{color:#C6D0DC}
.crumb__current{color:var(--c-primary);font-weight:600}
.page-head h1{margin:0 0 14px}
.page-head__lead{max-width:780px;font-size:16.5px;color:var(--c-body);margin:0 0 26px}
.stat-strip{display:flex;flex-wrap:wrap;gap:12px}
.stat-chip{
  display:inline-flex;align-items:baseline;gap:8px;padding:10px 18px;
  border:1px solid var(--c-line);border-radius:999px;background:var(--c-bg);
  font-size:14px;color:var(--c-muted);
}
.stat-chip strong{font-size:19px;font-weight:700;color:var(--c-primary);font-variant-numeric:tabular-nums}

/* ---------- 板块 ---------- */
.section{padding:88px 0}
.section--white{background:#fff}
.section--soft{background:var(--c-soft)}
.section--line{border-top:1px solid var(--c-line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:36px}
.section-head h2{margin:0 0 8px}
.section-head p{margin:0;font-size:15px;color:var(--c-muted);max-width:720px}
.section-head__acts{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 编号索引 ---------- */
.index-list{border-top:1px solid var(--c-line)}
.index-item{
  display:grid;grid-template-columns:110px minmax(0,1fr);gap:28px;
  padding:30px 8px;border-bottom:1px solid var(--c-line);
  transition:background .2s ease;
}
.index-item:hover{background:rgba(231,238,247,.5)}
.index-item__num{
  font-size:46px;line-height:1;font-weight:700;padding-top:6px;
  color:rgba(18,58,107,.2);font-variant-numeric:tabular-nums;
  transition:color .2s ease;
}
.index-item:hover .index-item__num{color:rgba(18,58,107,.55)}
.index-item__body h3{margin:0 0 8px;font-size:19px}
.index-item__body p{margin:0 0 12px;font-size:15.5px;max-width:840px}
.index-item__meta{display:flex;flex-wrap:wrap;gap:8px}
.tagx{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;
  font-size:12.5px;font-weight:500;background:var(--c-primary-soft);color:var(--c-primary);
}
.tagx--accent{background:var(--c-accent-soft);color:var(--c-accent-dark)}

/* ---------- 口径说明 ---------- */
.glossary-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.glossary{
  background:var(--c-card);border:1px solid var(--c-line);border-left:4px solid var(--c-primary);
  border-radius:var(--r-card);padding:28px 30px;box-shadow:var(--sh-1);
}
.glossary h3{margin:0 0 10px;font-size:18px}
.glossary p{margin:0;font-size:15px;line-height:1.85}
.glossary ul{margin-top:14px;display:flex;flex-direction:column;gap:8px}
.glossary li{position:relative;padding-left:18px;font-size:14.5px;color:var(--c-body)}
.glossary li::before{content:"";position:absolute;left:0;top:12px;width:6px;height:6px;border-radius:50%;background:var(--c-primary)}

/* ---------- 查数据顺序 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.flow__step{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.flow__step:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#C9D8EA}
.flow__idx{
  display:inline-flex;width:34px;height:34px;align-items:center;justify-content:center;
  border-radius:10px;background:var(--c-primary-soft);color:var(--c-primary);
  font-weight:700;font-size:15px;margin-bottom:14px;font-variant-numeric:tabular-nums;
}
.flow__step h3{font-size:17px;margin:0 0 8px}
.flow__step p{margin:0;font-size:14.5px}

/* ---------- 推荐位 ---------- */
.picks{display:grid;grid-template-columns:1.5fr 1fr;gap:24px;align-items:stretch}
.pick{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.pick:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#C9D8EA}
.pick--wide{flex-direction:row}
.pick__cover{aspect-ratio:16/9;overflow:hidden;background:var(--c-primary-soft)}
.pick--wide .pick__cover{flex:1 1 48%;aspect-ratio:auto;min-height:250px}
.pick__cover img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .3s ease}
.pick:hover .pick__cover img{transform:scale(1.03)}
.pick__body{padding:24px;display:flex;flex-direction:column;gap:8px}
.pick__body h3{margin:0;font-size:19px}
.pick__body p{margin:0;font-size:15px}
.pick__body .btn-x{margin-top:auto;align-self:flex-start}

/* ---------- FAQ ---------- */
.faq-acc{border-top:1px solid var(--c-line)}
.faq-acc .accordion-item{border:0;border-bottom:1px solid var(--c-line);background:transparent}
.faq-acc .accordion-button{
  background:transparent;color:var(--c-ink);font-weight:600;font-size:16.5px;
  padding:20px 48px 20px 18px;border-radius:0;box-shadow:none;position:relative;
  transition:background .2s ease,color .2s ease;
}
.faq-acc .accordion-button:hover{background:rgba(231,238,247,.5);color:var(--c-primary)}
.faq-acc .accordion-button:not(.collapsed){color:var(--c-primary);background:rgba(231,238,247,.6)}
.faq-acc .accordion-button:focus{box-shadow:none;outline:2px solid rgba(18,58,107,.3);outline-offset:-2px}
.faq-acc .accordion-button::after{
  background-image:none;content:"+";width:auto;height:auto;
  position:absolute;right:14px;top:50%;transform:translateY(-50%);
  font-size:24px;line-height:1;font-weight:600;color:var(--c-primary);
}
.faq-acc .accordion-button:not(.collapsed)::after{content:"–"}
.faq-acc .accordion-body{padding:0 48px 22px 18px;font-size:15.5px;color:var(--c-body);max-width:900px}

/* ---------- CTA 条 ---------- */
.cta-bar{
  display:flex;align-items:center;gap:20px;flex-wrap:wrap;
  background:var(--c-primary-soft);border:1px solid #D5E2F0;
  border-radius:var(--r-card);padding:22px 28px;
}
.cta-bar p{margin:0;font-size:16px;font-weight:600;color:var(--c-primary-dark)}
.cta-bar__acts{margin-left:auto;display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 相关分类 ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.related-card{
  display:block;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.related-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#C9D8EA}
.related-card h3{font-size:17px;margin:0 0 8px;color:var(--c-ink)}
.related-card p{margin:0 0 12px;font-size:14.5px}
.related-card span{font-size:13.5px;font-weight:600;color:var(--c-accent-dark)}

/* ---------- 页脚 ---------- */
.site-footer{background:#0E2E56;color:rgba(255,255,255,.7);padding:64px 0 0}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;
  padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand__mark{
  width:34px;height:34px;border-radius:10px;background:var(--c-accent);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;
}
.footer-brand__text{color:#fff;font-size:18px;font-weight:700}
.site-footer h4{color:#fff;font-size:15px;margin:0 0 14px}
.site-footer p{font-size:14px;line-height:1.8;margin:0 0 10px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:rgba(255,255,255,.7);font-size:14px}
.footer-links a:hover{color:#fff}
.footer-search{margin-top:12px}
.footer-search input{
  width:100%;height:44px;border-radius:10px;padding:0 14px;color:#fff;
  border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.08);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.footer-search input::placeholder{color:rgba(255,255,255,.5)}
.footer-search input:focus{outline:none;border-color:#fff;box-shadow:0 0 0 3px rgba(255,255,255,.15)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  padding:20px 0 28px;font-size:13.5px;color:rgba(255,255,255,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .flow{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:991.98px){
  .container{padding-left:20px;padding-right:20px}
  .topbar__inner{min-height:56px;gap:16px}
  .topbar__search{display:none}
  .topbar__acts .btn-x--primary{display:none}
  .nav-toggle{display:inline-flex}
  .brand__mark{width:32px;height:32px;font-size:14px}
  .brand__text{font-size:17px}
  .nav-channels__inner{height:44px}
  .channel{height:44px}
  .page-head{padding:40px 0 34px}
  h1,.page-head h1{font-size:30px;line-height:1.3}
  h2{font-size:23px}
  .section{padding:64px 0}
  .section-head{margin-bottom:26px}
  .index-item{grid-template-columns:64px minmax(0,1fr);gap:18px;padding:24px 4px}
  .index-item__num{font-size:34px;padding-top:2px}
  .glossary-grid{grid-template-columns:1fr}
  .picks{grid-template-columns:1fr}
  .pick--wide{flex-direction:column}
  .pick--wide .pick__cover{min-height:200px;aspect-ratio:16/9}
  .related-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  [id]{scroll-margin-top:104px}
}
@media (max-width:767.98px){
  .flow{grid-template-columns:1fr}
  .stat-chip{padding:8px 14px}
  .faq-acc .accordion-button{font-size:15.5px;padding:16px 42px 16px 14px}
  .faq-acc .accordion-body{padding:0 42px 18px 14px;font-size:15px}
}
@media (max-width:575.98px){
  .container{padding-left:18px;padding-right:18px}
  body{font-size:15.5px}
  h1,.page-head h1{font-size:26px}
  h2{font-size:21px}
  .section{padding:56px 0}
  .brand__text{font-size:16px}
  .index-item{grid-template-columns:52px minmax(0,1fr);gap:14px}
  .index-item__num{font-size:28px}
  .index-item__body h3{font-size:17px}
  .glossary{padding:22px 20px}
  .cta-bar{padding:20px}
  .cta-bar__acts{margin-left:0;width:100%}
  .cta-bar__acts .btn-x{flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:6px}
}