/* roulang page: index */
:root{
  --c-brand:#0F5C99;
  --c-brand-deep:#0A3F6B;
  --c-brand-soft:#E8F1FA;
  --c-accent:#FF7A2E;
  --c-accent-deep:#F2691C;
  --c-mint:#14B8A0;
  --c-bg:#F7F9FC;
  --c-surface:#FFFFFF;
  --c-line:#E5EBF2;
  --c-text:#16202E;
  --c-text-2:#5B6B7F;
  --c-text-3:#8A98A8;
  --c-danger:#D64545;
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(11,45,80,.04);
  --sh-2:0 10px 28px rgba(11,45,80,.07);
  --sh-3:0 16px 36px rgba(11,45,80,.10);
  --container:1200px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-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",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:var(--c-brand);text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--c-brand-deep);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:2px}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
h1,h2,h3,h4{margin:0;color:var(--c-text);letter-spacing:0}
h1{font-size:clamp(28px,4.2vw,44px);line-height:1.22;font-weight:700;letter-spacing:-.01em}
h2{font-size:clamp(22px,2.6vw,32px);line-height:1.3;font-weight:700}
h3{font-size:20px;line-height:1.4;font-weight:600}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(15,92,153,.25);outline-offset:2px;border-radius:4px}
.tnum{font-variant-numeric:tabular-nums}

.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:96px 0;border-top:1px solid var(--c-line)}
.section--flush{border-top:0}
.section__head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.section__lead{max-width:640px;color:var(--c-text-2);font-size:15px;line-height:1.8;margin:10px 0 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:500;color:var(--c-brand);background:rgba(15,92,153,.08);border-radius:999px;padding:5px 12px;margin-bottom:14px}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent)}
.link-more{font-size:14px;font-weight:600;white-space:nowrap}
.link-more::after{content:" →"}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .2s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.nav{display:flex;align-items:center;gap:28px;height:72px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;text-decoration:none}
.brand:hover{text-decoration:none}
.brand__main{font-size:17px;font-weight:700;color:var(--c-text);letter-spacing:-.01em}
.brand__divider{width:1px;height:16px;background:var(--c-line)}
.brand__sub{font-size:12px;color:var(--c-text-3);letter-spacing:.02em}
.nav__links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav__link{
  position:relative;font-size:15px;color:var(--c-text-2);padding:8px 12px;border-radius:8px;
  transition:color .18s var(--ease),background .18s var(--ease);
}
.nav__link:hover{color:var(--c-brand-deep);background:rgba(15,92,153,.05);text-decoration:none}
.nav__link.is-active{color:var(--c-brand);font-weight:600}
.nav__link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--c-brand);
}
.nav__cta{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav__toggle{display:none;width:40px;height:40px;border:1px solid var(--c-line);border-radius:var(--r-btn);align-items:center;justify-content:center}
.nav__toggle span{display:block;width:16px;height:2px;background:var(--c-brand);position:relative}
.nav__toggle span::before,.nav__toggle span::after{content:"";position:absolute;left:0;width:16px;height:2px;background:var(--c-brand)}
.nav__toggle span::before{top:-5px}
.nav__toggle span::after{top:5px}
.nav__drawer{display:none;border-bottom:1px solid var(--c-line);background:#fff}
.nav__drawer.is-open{display:block}
.nav__drawer ul{padding:8px 24px 18px;display:grid;gap:2px}
.nav__drawer a{display:block;padding:12px 0;font-size:15px;color:var(--c-text-2);border-bottom:1px solid var(--c-line)}
.nav__drawer a:hover{text-decoration:none;color:var(--c-brand)}
.nav__drawer a.is-active{color:var(--c-brand);font-weight:600}

/* ---------- 按钮 ---------- */
.btn{
  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;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.btn:hover{text-decoration:none}
.btn--primary{background:var(--c-accent);color:#fff;box-shadow:0 6px 16px rgba(255,122,46,.22)}
.btn--primary:hover{background:var(--c-accent-deep);color:#fff;transform:translateY(-1px)}
.btn--primary:active{transform:translateY(0)}
.btn--ghost{background:transparent;color:var(--c-brand);border-color:rgba(15,92,153,.35)}
.btn--ghost:hover{background:rgba(15,92,153,.06);color:var(--c-brand-deep);border-color:var(--c-brand);transform:translateY(-1px)}
.btn--sm{height:38px;padding:0 16px;font-size:14px}
.btn--lg{height:48px;padding:0 26px;font-size:16px}
.btn--block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.5;filter:saturate(40%);cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- Hero ---------- */
.hero{padding:72px 0 88px;position:relative;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(15,92,153,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(15,92,153,.04) 1px,transparent 1px);
  background-size:52px 52px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.7),transparent 78%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.7),transparent 78%);
  pointer-events:none;
}
.hero__inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;min-height:560px}
.hero__sub{font-size:17px;color:var(--c-text-2);margin:18px 0 0;max-width:520px}
.hero__actions{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
.trust{display:flex;gap:24px;flex-wrap:wrap;margin-top:28px;padding-top:24px;border-top:1px solid var(--c-line)}
.trust li{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-text-2)}
.trust svg{width:16px;height:16px;flex-shrink:0;color:var(--c-mint)}
.hero__media{position:relative}
.hero__media img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-card);box-shadow:var(--sh-2);background:var(--c-brand-soft)}
.hero__badge{
  position:absolute;left:-14px;bottom:22px;background:#fff;border:1px solid var(--c-line);border-radius:12px;
  padding:12px 16px;box-shadow:var(--sh-2);display:flex;align-items:center;gap:12px;
}
.hero__badge b{font-size:20px;font-variant-numeric:tabular-nums;color:var(--c-brand);display:block;line-height:1.2}
.hero__badge span{font-size:12px;color:var(--c-text-3)}

/* ---------- 数据条 ---------- */
.stats{border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);background:var(--c-surface)}
.stats__inner{display:grid;grid-template-columns:repeat(4,1fr)}
.stats__item{padding:34px 24px;border-left:1px solid var(--c-line)}
.stats__item:first-child{border-left:0;padding-left:0}
.stats__num{font-size:32px;font-weight:700;color:var(--c-brand);font-variant-numeric:tabular-nums;line-height:1.2}
.stats__label{font-size:14px;color:var(--c-text-2);margin-top:6px}

/* ---------- 权益对比 ---------- */
.cmp{border:1px solid var(--c-line);border-radius:var(--r-card);background:var(--c-surface);box-shadow:var(--sh-1);overflow:hidden}
.cmp__row{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr;align-items:center;border-top:1px solid var(--c-line)}
.cmp__row:first-child{border-top:0}
.cmp__head{background:var(--c-brand-soft);border-top:0}
.cmp__item{padding:18px 20px;font-size:15px;color:var(--c-text);font-weight:500;display:flex;align-items:center;gap:10px}
.cmp__cell{padding:18px 20px;font-size:14px;color:var(--c-text-2);text-align:left;display:flex;align-items:center;gap:8px}
.cmp__tier{font-size:15px;font-weight:700;color:var(--c-brand-deep);display:flex;align-items:center;gap:8px;padding:20px}
.cmp__tier small{display:block;font-size:12px;font-weight:400;color:var(--c-text-3)}
.cmp__rec{background:rgba(255,122,46,.05);border-left:2px solid var(--c-accent);position:relative}
.cmp__badge{
  position:absolute;top:-1px;right:14px;background:var(--c-accent);color:#fff;font-size:11px;font-weight:600;
  padding:3px 10px;border-radius:0 0 8px 8px;letter-spacing:.02em;
}
.cmp__yes{color:var(--c-mint);font-weight:600}
.cmp__yes svg{width:16px;height:16px}
.cmp__no{color:var(--c-text-3)}
.cmp-cards{display:none;gap:16px}
.cmp-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1)}
.cmp-card.is-rec{border-color:rgba(255,122,46,.55);box-shadow:0 10px 28px rgba(255,122,46,.10)}
.cmp-card__title{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:6px}
.cmp-card__title h3{font-size:17px}
.cmp-card ul{margin-top:10px;border-top:1px solid var(--c-line)}
.cmp-card li{display:flex;justify-content:space-between;gap:14px;padding:11px 0;border-bottom:1px solid var(--c-line);font-size:14px}
.cmp-card li:last-child{border-bottom:0}
.cmp-card li span:first-child{color:var(--c-text-2)}
.cmp-card li span:last-child{color:var(--c-text);font-weight:500;text-align:right}

/* ---------- 等级亮点 ---------- */
.tiers{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.tier{
  grid-column:span 12;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-1);position:relative;overflow:hidden;
  transition:box-shadow .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease);
}
.tier::before{content:"";position:absolute;left:0;top:0;width:3px;height:64px;background:var(--c-brand)}
.tier:hover{box-shadow:var(--sh-3);transform:translateY(-2px);border-color:rgba(15,92,153,.15)}
.tier--5{grid-column:span 5}
.tier--7{grid-column:span 7}
.tier--rec{border-color:rgba(255,122,46,.45);transform:translateY(-8px)}
.tier--rec::before{background:var(--c-accent);height:96px}
.tier--rec:hover{transform:translateY(-10px)}
.tier__name{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:700}
.tier__desc{color:var(--c-text-2);font-size:14px;margin:8px 0 18px}
.tier__list{display:grid;gap:10px}
.tier--rec .tier__list{grid-template-columns:repeat(3,1fr);gap:12px 20px}
.tier__list li{display:flex;gap:10px;font-size:14px;color:var(--c-text-2);line-height:1.7}
.tier__list li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-brand);margin-top:9px;flex-shrink:0}
.tier--rec .tier__list li::before{background:var(--c-accent)}
.tier__foot{margin-top:22px}
.tag{display:inline-flex;align-items:center;height:23px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:500;background:rgba(15,92,153,.09);color:var(--c-brand)}
.tag--rec{background:rgba(255,122,46,.14);color:#C4520F}
.tag--mint{background:rgba(20,184,160,.14);color:#0B7A6B}

/* ---------- 专属内容预览 ---------- */
.scroller{display:flex;gap:20px;overflow-x:auto;padding:4px 4px 18px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}
.scroller::-webkit-scrollbar{height:6px}
.scroller::-webkit-scrollbar-thumb{background:var(--c-line);border-radius:99px}
.scroller::-webkit-scrollbar-track{background:transparent}
.card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);
  overflow:hidden;display:flex;flex-direction:column;
  transition:box-shadow .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease);
}
.card:hover{box-shadow:var(--sh-3);transform:translateY(-2px);border-color:rgba(15,92,153,.18)}
.scroller .card{flex:0 0 292px;scroll-snap-align:start}
.card__media img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:0;background:var(--c-brand-soft)}
.card__body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card__title{font-size:16px;font-weight:600;line-height:1.55}
.card__text{font-size:14px;color:var(--c-text-2);line-height:1.7;margin:0}
.card__meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:var(--c-text-3);padding-top:8px}
.card__meta .arrow{color:var(--c-brand);font-weight:600}
.card__link{display:block;text-decoration:none;color:inherit;height:100%}
.card__link:hover{text-decoration:none}

/* ---------- 最新信息 ---------- */
.posts{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);
  padding:22px;display:flex;flex-direction:column;gap:12px;
  transition:box-shadow .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease);
}
.post-card:hover{box-shadow:var(--sh-3);transform:translateY(-2px);border-color:rgba(15,92,153,.18)}
.post-card__title{font-size:17px;font-weight:600;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card__excerpt{font-size:14px;color:var(--c-text-2);line-height:1.75;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card__meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--c-text-3);padding-top:12px;border-top:1px solid var(--c-line)}
.post-card__linkin{color:var(--c-brand);font-weight:600}

.empty{
  border:1px dashed var(--c-line);border-radius:var(--r-card);background:var(--c-surface);
  padding:48px 24px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:14px;
}
.empty svg{width:40px;height:40px;color:var(--c-text-3)}
.empty p{font-size:14px;color:var(--c-text-2);margin:0}

/* ---------- FAQ ---------- */
.faq{max-width:860px}
.faq details{border-top:1px solid var(--c-line)}
.faq details:last-child{border-bottom:1px solid var(--c-line)}
.faq summary{
  list-style:none;cursor:pointer;position:relative;padding:22px 48px 22px 0;
  font-size:16px;font-weight:600;color:var(--c-text);transition:color .18s var(--ease);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--c-brand)}
.faq summary::after{
  content:"";position:absolute;right:12px;top:50%;width:9px;height:9px;
  border-right:2px solid var(--c-brand);border-bottom:2px solid var(--c-brand);
  transform:translateY(-70%) rotate(45deg);transition:transform .2s var(--ease);
}
.faq details[open] summary::after{transform:translateY(-30%) rotate(225deg)}
.faq__answer{padding:0 48px 24px 0;font-size:15px;line-height:1.85;color:var(--c-text-2);max-width:760px}
.faq__answer p:last-child{margin-bottom:0}

/* ---------- CTA ---------- */
.cta{
  background:var(--c-brand-soft);border:1px solid rgba(15,92,153,.14);border-radius:var(--r-card);
  padding:40px 44px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta__text h2{font-size:clamp(20px,2.2vw,26px)}
.cta__text p{margin:10px 0 0;color:var(--c-text-2);font-size:14px;max-width:620px}
.cta__actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:#F2F6FA;border-top:1px solid var(--c-line);margin-top:0}
.footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding:60px 0 44px}
.footer__brand{font-size:17px;font-weight:700;color:var(--c-text)}
.footer__desc{font-size:14px;color:var(--c-text-2);margin:12px 0 0;max-width:320px;line-height:1.8}
.footer h3{font-size:14px;font-weight:600;color:var(--c-text);margin-bottom:16px}
.footer li{margin-bottom:10px}
.footer li a,.footer p.small{font-size:14px;color:var(--c-text-2)}
.footer li a:hover{color:var(--c-brand);text-decoration:none}
.footer__bottom{border-top:1px solid var(--c-line);padding:20px 0 28px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--c-text-3)}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{max-width:1120px}
  .hero__inner{gap:40px}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .hero{padding:56px 0 68px}
  .hero__inner{grid-template-columns:1fr;min-height:0}
  .hero__media{order:-1}
  .hero__badge{left:14px;bottom:14px}
  .posts{grid-template-columns:repeat(2,1fr)}
  .tier--5,.tier--7{grid-column:span 12}
  .tier--rec{transform:none}
  .tier--rec:hover{transform:translateY(-2px)}
  .tier--rec .tier__list{grid-template-columns:repeat(2,1fr)}
  .footer__grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 36px}
  .nav__links{display:none}
  .nav__toggle{display:flex}
  .nav{height:64px;gap:16px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .section{padding:56px 0}
  .hero{padding:40px 0 52px}
  .hero__sub{font-size:16px}
  .hero__actions .btn{flex:1 1 auto;min-width:150px}
  .trust{gap:14px;flex-direction:column}
  .stats__inner{grid-template-columns:1fr 1fr}
  .stats__item{padding:24px 18px;border-left:0;border-top:1px solid var(--c-line)}
  .stats__item:nth-child(1),.stats__item:nth-child(2){border-top:0}
  .stats__item:nth-child(odd){padding-left:0}
  .stats__item:nth-child(even){border-left:1px solid var(--c-line)}
  .cmp{display:none}
  .cmp-cards{display:grid}
  .posts{grid-template-columns:1fr}
  .scroller .card{flex:0 0 84%}
  .tier{padding:22px}
  .tier--rec .tier__list{grid-template-columns:1fr}
  .faq summary{padding:18px 40px 18px 0;font-size:15px}
  .faq__answer{padding:0 40px 20px 0}
  .cta{padding:28px 22px;flex-direction:column;align-items:flex-start;gap:22px}
  .cta__actions{width:100%}
  .cta__actions .btn{flex:1 1 auto}
  .footer__grid{grid-template-columns:1fr;gap:28px}
  .footer__bottom{flex-direction:column;gap:8px}
  h1{font-size:28px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  .tier--rec{transform:none}
}

/* roulang page: article */
:root{
  --c-brand:#0F5C99;
  --c-brand-deep:#0A3F6B;
  --c-brand-soft:#E8F1FA;
  --c-accent:#FF7A2E;
  --c-accent-deep:#F06A1C;
  --c-mint:#14B8A0;
  --c-bg:#F7F9FC;
  --c-surface:#FFFFFF;
  --c-line:#E5EBF2;
  --c-line-strong:#D9E2EC;
  --c-text:#16202E;
  --c-text-2:#5B6B7F;
  --c-text-3:#8A98A8;
  --c-danger:#D64545;
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(11,45,80,.04);
  --sh-2:0 10px 28px rgba(11,45,80,.07);
  --sh-3:0 16px 36px rgba(11,45,80,.10);
  --w:1200px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::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",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border-radius:var(--r-img)}
a{color:var(--c-brand);text-decoration:none;transition:color .18s var(--ease),text-decoration-color .18s var(--ease)}
a:hover{color:var(--c-brand-deep);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:2px}
button{font:inherit;color:inherit;cursor:pointer}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--c-text);letter-spacing:-.01em}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(15,92,153,.25);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--w);margin:0 auto;padding:0 24px}
.tnum{font-variant-numeric:tabular-nums}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- 按钮 ---------- */
.btn{
  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;white-space:nowrap;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s var(--ease),background-color .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
}
.btn--primary{background:var(--c-accent);color:#fff;box-shadow:var(--sh-1)}
.btn--primary:hover{background:var(--c-accent-deep);color:#fff;text-decoration:none;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn--ghost{background:transparent;border-color:var(--c-brand);color:var(--c-brand)}
.btn--ghost:hover{background:rgba(15,92,153,.06);color:var(--c-brand-deep);text-decoration:none;transform:translateY(-1px)}
.btn--sm{height:40px;padding:0 18px;font-size:14px}
.btn--xs{height:34px;padding:0 14px;font-size:13px}
.btn:active{transform:translateY(0)}
.btn[disabled],.btn.is-disabled{opacity:.55;filter:saturate(.6);cursor:not-allowed;transform:none}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;
  text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:2px;
}
.link-more svg{transition:transform .18s var(--ease)}
.link-more:hover svg{transform:translateX(3px)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);
  backdrop-filter:saturate(150%) blur(6px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .2s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.header__inner{display:flex;align-items:center;gap:28px;height:72px}
.logo{display:flex;align-items:center;gap:12px;flex-shrink:0}
.logo__main{font-size:19px;font-weight:700;color:var(--c-text);letter-spacing:-.01em}
.logo__main:hover{color:var(--c-brand);text-decoration:none}
.logo__divider{width:1px;height:18px;background:var(--c-line-strong)}
.logo__sub{font-size:13px;color:var(--c-text-3);white-space:nowrap}
.nav__links{display:flex;align-items:center;gap:26px;margin-left:auto}
.nav__link{
  position:relative;font-size:15px;color:var(--c-text-2);padding:6px 0;white-space:nowrap;
  transition:color .18s var(--ease);
}
.nav__link:hover{color:var(--c-brand-deep);text-decoration:none}
.nav__link.is-active{color:var(--c-brand);font-weight:600}
.nav__link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;background:var(--c-brand);
}
.header__cta{flex-shrink:0}
.nav-toggle{display:none}

/* ---------- 面包屑 ---------- */
.crumb-wrap{border-bottom:1px solid var(--c-line);background:var(--c-surface)}
.crumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:14px;color:var(--c-text-3);padding:16px 0;
}
.crumb a{color:var(--c-text-2)}
.crumb a:hover{color:var(--c-brand)}
.crumb__sep{color:var(--c-text-3);opacity:.7}
.crumb__current{color:var(--c-text-2);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章头部 ---------- */
.article-head{padding:44px 0 0}
.article-head__inner{max-width:900px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:500;background:rgba(15,92,153,.10);color:var(--c-brand);
}
.tag--accent{background:rgba(255,122,46,.14);color:#C65515}
.tag--mint{background:rgba(20,184,160,.14);color:#0C8375}
.article-head h1{
  font-size:clamp(28px,4.2vw,40px);line-height:1.26;letter-spacing:-.01em;margin-bottom:18px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  font-size:14px;color:var(--c-text-3);padding-bottom:22px;border-bottom:1px solid var(--c-line);
}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-meta svg{flex-shrink:0}

/* ---------- 阅读布局 ---------- */
.article-main{padding:40px 0 0}
.reading{
  display:grid;grid-template-columns:minmax(0,1fr);gap:48px;justify-content:center;
}
.reading__body{max-width:760px;width:100%;margin:0 auto;min-width:0}
.reading__aside{display:none}

/* ---------- 正文排版 ---------- */
.article-body{font-size:16px;line-height:1.9;color:var(--c-text)}
.article-body > p:first-of-type{font-size:17px;line-height:1.9;color:var(--c-text-2)}
.article-body p{margin:0 0 1.1em}
.article-body h2{
  position:relative;font-size:clamp(20px,2.4vw,26px);line-height:1.4;margin:2em 0 .8em;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;border-radius:2px;background:var(--c-brand);
}
.article-body h3{
  display:inline-block;font-size:17px;line-height:1.5;font-weight:600;
  margin:1.7em 0 .7em;padding:4px 12px;border-radius:8px;background:rgba(15,92,153,.10);color:var(--c-brand-deep);
}
.article-body h4{font-size:16px;margin:1.4em 0 .5em;color:var(--c-text)}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:0}
.article-body ul li,.article-body ol li{position:relative;padding-left:24px;margin-bottom:.6em;line-height:1.85}
.article-body ul li::before{
  content:"";position:absolute;left:6px;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--c-brand);
}
.article-body ol{counter-reset:ol-item}
.article-body ol li{counter-increment:ol-item}
.article-body ol li::before{
  content:counter(ol-item);position:absolute;left:0;top:0;
  font-size:14px;font-weight:600;color:var(--c-brand);font-variant-numeric:tabular-nums;line-height:1.9;
}
.article-body blockquote{
  margin:1.4em 0;padding:16px 20px 16px 22px;border-left:3px solid var(--c-brand);
  background:var(--c-brand-soft);border-radius:0 12px 12px 0;color:var(--c-text-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:1.4em 0}
.article-body figure{margin:1.4em 0}
.article-body figcaption{font-size:13px;color:var(--c-text-3);text-align:center;margin-top:8px}
.article-body a{text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.4em 0;font-size:15px;
  border:1px solid var(--c-line);border-radius:12px;overflow:hidden;
}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--c-line);text-align:left;vertical-align:top}
.article-body th{background:var(--c-brand-soft);font-weight:600;color:var(--c-brand-deep)}
.article-body tr:last-child td{border-bottom:0}
.article-body .table-scroll{overflow-x:auto;margin:1.4em 0;border:1px solid var(--c-line);border-radius:12px}
.article-body pre{
  overflow-x:auto;margin:1.4em 0;padding:16px 18px;background:#0F1A26;color:#E6EEF7;
  border-radius:12px;font-size:14px;line-height:1.7;
}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:.92em;background:var(--c-brand-soft);color:var(--c-brand-deep);
  padding:2px 6px;border-radius:6px;
}
.article-body pre code{background:none;color:inherit;padding:0}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:2.2em 0}

/* ---------- 空态 ---------- */
.empty-state{
  display:flex;flex-direction:column;align-items:center;text-align:center;gap:14px;
  padding:64px 24px;border:1px solid var(--c-line);border-radius:var(--r-card);background:var(--c-surface);
}
.empty-state svg{color:var(--c-text-3)}
.empty-state p{font-size:14px;color:var(--c-text-2);margin:0}

/* ---------- 文末 ---------- */
.article-foot{padding:36px 0 0;margin-top:36px;border-top:1px solid var(--c-line)}
.foot-labels{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:36px}
.pager__item{
  display:flex;flex-direction:column;gap:6px;padding:18px 20px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);transition:box-shadow .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.pager__item:hover{box-shadow:var(--sh-2);border-color:rgba(15,92,153,.25);transform:translateY(-2px);text-decoration:none}
.pager__label{font-size:12px;color:var(--c-text-3)}
.pager__title{font-size:15px;font-weight:600;color:var(--c-text);line-height:1.5}
.pager__item:hover .pager__title{color:var(--c-brand-deep)}
.pager__item--next{text-align:right}

/* ---------- 侧栏 ---------- */
.aside-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--sh-1);margin-bottom:20px;
}
.aside-card h2{font-size:15px;margin-bottom:14px;letter-spacing:0}
.aside-card h2::before{display:none}
.toc-list li{margin-bottom:4px}
.toc-list a{
  display:block;font-size:14px;color:var(--c-text-2);line-height:1.6;padding:6px 0 6px 12px;
  border-left:2px solid var(--c-line);transition:border-color .18s var(--ease),color .18s var(--ease);
}
.toc-list a:hover{color:var(--c-brand);border-left-color:var(--c-brand);text-decoration:none}
.aside-card--member{background:var(--c-brand-soft);border-color:rgba(15,92,153,.16);box-shadow:none}
.aside-card--member h2{color:var(--c-brand-deep)}
.member-points{font-size:14px;color:var(--c-text-2)}
.member-points li{display:flex;gap:8px;align-items:flex-start;margin-bottom:8px;line-height:1.65}
.member-points svg{flex-shrink:0;margin-top:4px;color:var(--c-mint)}
.aside-card--member .btn{width:100%;margin-top:6px}

/* ---------- 相关推荐 ---------- */
.related{padding:72px 0;border-top:1px solid var(--c-line);margin-top:72px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.section-head h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3}
.section-head p{font-size:14px;color:var(--c-text-3);margin:6px 0 0}
.related__grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.res-card{
  display:flex;flex-direction:column;gap:10px;padding:20px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);transition:box-shadow .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.res-card:hover{box-shadow:var(--sh-3);border-color:rgba(15,92,153,.25);transform:translateY(-2px);text-decoration:none}
.res-card__title{font-size:16px;font-weight:600;line-height:1.55;color:var(--c-text)}
.res-card:hover .res-card__title{color:var(--c-brand-deep)}
.res-card__meta{font-size:13px;color:var(--c-text-3);margin-top:auto}

/* ---------- CTA ---------- */
.cta-band{padding:0 0 88px}
.cta-inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
  padding:36px 40px;border-radius:var(--r-card);
  background:linear-gradient(0deg,rgba(15,92,153,.04),rgba(15,92,153,.04)),var(--c-brand-soft);
  border:1px solid rgba(15,92,153,.16);
}
.cta-inner h2{font-size:clamp(20px,2.4vw,26px);line-height:1.35;margin-bottom:8px}
.cta-inner p{font-size:14px;color:var(--c-text-2);margin:0;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 页脚 ---------- */
.site-footer{background:#F2F6FA;border-top:1px solid var(--c-line);padding:64px 0 28px}
.footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px}
.footer__brand{font-size:18px;font-weight:700;color:var(--c-text);margin-bottom:12px}
.footer__desc{font-size:14px;color:var(--c-text-2);max-width:320px;line-height:1.75}
.footer h3{font-size:14px;font-weight:600;color:var(--c-text);margin-bottom:14px;letter-spacing:0}
.footer ul li{margin-bottom:10px}
.footer ul a{font-size:14px;color:var(--c-text-2)}
.footer ul a:hover{color:var(--c-brand)}
.footer .small{font-size:14px;color:var(--c-text-2);margin:0;line-height:1.7}
.footer__bottom{
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;align-items:center;
  margin-top:48px;padding-top:20px;border-top:1px solid var(--c-line);
  font-size:13px;color:var(--c-text-3);
}

/* ---------- 响应式 ---------- */
@media (min-width:1280px){
  .reading{grid-template-columns:minmax(0,760px) 280px;gap:56px}
  .reading__aside{display:block;position:sticky;top:96px;align-self:start}
}
@media (max-width:1279px){
  .container{max-width:1120px}
  .related__grid{gap:20px}
}
@media (max-width:1023px){
  .nav__links{gap:18px}
  .nav__link{font-size:14px}
  .related__grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer__grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-inner{padding:30px 28px}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .container{padding:0 18px}
  .header__inner{height:60px;gap:14px}
  .logo__sub{display:none}
  .logo__divider{display:none}
  .logo__main{font-size:17px}
  .nav-toggle{
    display:inline-flex;align-items:center;justify-content:center;
    width:44px;height:40px;margin-left:auto;border:1px solid var(--c-line);border-radius:var(--r-btn);
    background:var(--c-surface);color:var(--c-text-2);
  }
  .nav__links{
    position:absolute;left:0;right:0;top:60px;flex-direction:column;align-items:stretch;gap:0;
    background:var(--c-surface);border-bottom:1px solid var(--c-line);box-shadow:var(--sh-2);
    padding:8px 18px 14px;display:none;
  }
  .nav__links.is-open{display:flex}
  .nav__link{padding:12px 0;font-size:15px;border-bottom:1px solid var(--c-line)}
  .nav__link:last-child{border-bottom:0}
  .nav__link.is-active::after{display:none}
  .nav__link.is-active{color:var(--c-brand)}
  .header__cta{display:none}
  .crumb{padding:12px 0;font-size:13px}
  .crumb__current{max-width:200px}
  .article-head{padding:28px 0 0}
  .article-main{padding:28px 0 0}
  .reading__body{max-width:100%}
  .article-body > p:first-of-type{font-size:16.5px}
  .pager{grid-template-columns:1fr}
  .pager__item--next{text-align:left}
  .related{padding:56px 0;margin-top:56px}
  .related__grid{grid-template-columns:1fr}
  .cta-band{padding:0 0 56px}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:26px 20px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer__grid{grid-template-columns:1fr;gap:26px}
  .site-footer{padding:48px 0 24px}
}
@media (max-width:519px){
  .article-head h1{font-size:26px}
  .btn{height:46px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
}

/* roulang page: category1 */
:root{
  --c-brand:#0F5C99;
  --c-brand-deep:#0A3F6B;
  --c-brand-soft:#E8F1FA;
  --c-accent:#FF7A2E;
  --c-accent-deep:#EE6A1D;
  --c-mint:#14B8A0;
  --c-bg:#F7F9FC;
  --c-surface:#FFFFFF;
  --c-line:#E5EBF2;
  --c-text:#16202E;
  --c-text-2:#5B6B7F;
  --c-text-3:#8A98A8;
  --c-danger:#D64545;
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(11,45,80,.04);
  --sh-2:0 10px 28px rgba(11,45,80,.07);
  --sh-3:0 16px 36px rgba(11,45,80,.10);
  --w:1200px;
  --t:180ms ease-out;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--c-brand);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--c-brand-deep);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:2px;}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{
  outline:3px solid rgba(15,92,153,.25);outline-offset:2px;border-radius:6px;
}
h1,h2,h3,h4{margin:1.2em 0 .6em;line-height:1.3;font-weight:700;color:var(--c-text);}
h1{font-size:clamp(28px,4.2vw,44px);line-height:1.22;letter-spacing:-.01em;margin-top:0;}
h2{font-size:clamp(22px,2.6vw,32px);}
h3{font-size:20px;font-weight:600;}
p{margin:0 0 1em;}
ul,ol{margin:0 0 1em;padding-left:1.25em;}
li{margin:.35em 0;}
hr{border:0;border-top:1px solid var(--c-line);margin:0;}
.num{font-variant-numeric:tabular-nums;}

.container{width:100%;max-width:var(--w);margin:0 auto;padding:0 24px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(140%) blur(6px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow var(--t);
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.header__inner{
  display:flex;align-items:center;gap:32px;
  height:72px;
}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;flex-shrink:0;}
.brand:hover{text-decoration:none;}
.brand__main{font-size:18px;font-weight:700;color:var(--c-text);letter-spacing:-.01em;white-space:nowrap;}
.brand__divider{width:1px;height:18px;background:var(--c-line);}
.brand__sub{font-size:13px;color:var(--c-text-2);white-space:nowrap;}
.nav__links{display:flex;align-items:center;gap:28px;margin-left:auto;}
.nav__link{
  position:relative;
  font-size:15px;color:var(--c-text-2);
  padding:6px 0;white-space:nowrap;
  transition:color var(--t);
}
.nav__link:hover{color:var(--c-brand-deep);text-decoration:none;}
.nav__link.is-active{color:var(--c-brand);font-weight:600;}
.nav__link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--c-brand);border-radius:2px;
}
.header__actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.nav-toggle{
  display:none;align-items:center;gap:6px;
  height:38px;padding:0 14px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-btn);
  color:var(--c-text-2);font-size:14px;font-family:inherit;cursor:pointer;
  transition:border-color var(--t),color var(--t);
}
.nav-toggle:hover{border-color:var(--c-brand);color:var(--c-brand);}
.nav-toggle .bars{display:inline-block;width:14px;height:10px;position:relative;}
.nav-toggle .bars::before,.nav-toggle .bars::after{
  content:"";position:absolute;left:0;right:0;height:2px;background:currentColor;border-radius:2px;
}
.nav-toggle .bars::before{top:0;}
.nav-toggle .bars::after{bottom:0;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:inherit;font-size:15px;font-weight:600;line-height:1;
  padding:0 22px;height:44px;border-radius:var(--r-btn);
  border:1px solid transparent;cursor:pointer;
  transition:background-color var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
  white-space:nowrap;
}
.btn:hover{text-decoration:none;}
.btn--primary{background:var(--c-accent);color:#fff;}
.btn--primary:hover{background:var(--c-accent-deep);color:#fff;transform:translateY(-1px);box-shadow:0 8px 18px rgba(255,122,46,.24);}
.btn--primary:active{transform:translateY(0);}
.btn--secondary{background:transparent;color:var(--c-brand);border-color:var(--c-brand);}
.btn--secondary:hover{background:rgba(15,92,153,.06);color:var(--c-brand-deep);border-color:var(--c-brand-deep);}
.btn--ghost{background:var(--c-surface);color:var(--c-text-2);border-color:var(--c-line);}
.btn--ghost:hover{border-color:var(--c-brand);color:var(--c-brand);}
.btn--sm{height:40px;padding:0 18px;font-size:14px;}
.btn--xs{height:34px;padding:0 14px;font-size:13px;}
.btn[disabled],.btn.is-disabled{background:#c9d3de;color:#fff;cursor:not-allowed;opacity:.6;transform:none;box-shadow:none;}
.btn--block{width:100%;}

/* ============ 通用标签 / 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:500;line-height:1;
  background:rgba(15,92,153,.10);color:var(--c-brand);
}
.badge--accent{background:rgba(255,122,46,.14);color:#C4531A;}
.badge--mint{background:rgba(20,184,160,.14);color:#0C8B79;}
.tag{
  display:inline-block;font-size:12px;font-weight:500;line-height:1;
  padding:5px 10px;border-radius:999px;
  background:rgba(15,92,153,.08);color:var(--c-brand);
}

/* ============ 面包屑 ============ */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;color:var(--c-text-3);
  padding:22px 0 0;
}
.breadcrumb a{color:var(--c-text-2);}
.breadcrumb a:hover{color:var(--c-brand);}
.breadcrumb .sep{color:#C3CEDB;}
.breadcrumb .current{color:var(--c-text-2);}

/* ============ 分类页首屏 ============ */
.cat-hero{padding:28px 0 72px;background:
  linear-gradient(180deg,rgba(232,241,250,.65),rgba(247,249,252,0) 70%);
  border-bottom:1px solid var(--c-line);
}
.cat-hero__grid{
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:48px;align-items:center;
}
.cat-hero__eyebrow{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.cat-hero h1{margin-bottom:14px;}
.cat-hero__lead{
  font-size:18px;line-height:1.8;color:var(--c-text-2);
  max-width:560px;margin-bottom:26px;
}
.cat-hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.trust-row{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:13.5px;color:var(--c-text-2);}
.trust-row li{display:flex;align-items:center;gap:7px;margin:0;list-style:none;}
.trust-row{list-style:none;padding:0;margin:0;}
.check{width:16px;height:16px;flex-shrink:0;color:var(--c-mint);}
.cat-hero__media{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  background:var(--c-brand-soft);aspect-ratio:16/11;
  border:1px solid var(--c-line);box-shadow:var(--sh-2);
}
.cat-hero__media img{width:100%;height:100%;object-fit:cover;}
.cat-hero__media::after{
  content:"";position:absolute;inset:auto 0 0 0;height:42%;
  background:linear-gradient(180deg,rgba(10,63,107,0),rgba(10,63,107,.55));
}
.cat-hero__caption{
  position:absolute;left:20px;right:20px;bottom:16px;z-index:2;
  color:#fff;font-size:13.5px;line-height:1.6;text-shadow:0 1px 4px rgba(10,63,107,.4);
}

/* ============ 板块 ============ */
.section{padding:88px 0;border-bottom:1px solid var(--c-line);}
.section--tight{padding:64px 0 72px;}
.section--plain{border-bottom:0;}
.section__head{max-width:760px;margin-bottom:40px;}
.section__head h2{margin-top:0;}
.section__head p{color:var(--c-text-2);margin-bottom:0;}
.section__kicker{
  display:inline-block;font-size:13px;font-weight:600;color:var(--c-brand);
  letter-spacing:.02em;margin-bottom:10px;
}

/* ============ 数据条 ============ */
.stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  border:1px solid var(--c-line);border-radius:var(--r-card);
  background:var(--c-surface);overflow:hidden;box-shadow:var(--sh-1);
}
.stats__item{padding:28px 24px;border-right:1px solid var(--c-line);}
.stats__item:last-child{border-right:0;}
.stats__num{
  font-size:32px;font-weight:700;color:var(--c-brand);line-height:1.1;
  font-variant-numeric:tabular-nums;letter-spacing:-.01em;
}
.stats__num small{font-size:15px;font-weight:600;margin-left:4px;color:var(--c-text-2);}
.stats__label{font-size:14px;color:var(--c-text-2);margin:8px 0 0;}

/* ============ 权益对照表 ============ */
.compare-desktop{
  border:1px solid var(--c-line);border-radius:var(--r-card);
  background:var(--c-surface);overflow:hidden;box-shadow:var(--sh-1);
}
.compare__head{
  display:grid;grid-template-columns:minmax(180px,1.25fr) repeat(3,minmax(0,1fr));
  background:var(--c-brand-soft);
  border-bottom:1px solid var(--c-line);
}
.compare__th{
  padding:18px 20px;font-size:14px;font-weight:600;color:var(--c-text);
  position:relative;
}
.compare__th.is-reco{
  border-left:2px solid var(--c-accent);
  background:rgba(255,122,46,.06);
}
.compare__th .badge{position:absolute;top:10px;right:14px;}
.compare__row{
  display:grid;grid-template-columns:minmax(180px,1.25fr) repeat(3,minmax(0,1fr));
  border-bottom:1px solid var(--c-line);
  transition:background-color var(--t);
}
.compare__row:last-child{border-bottom:0;}
.compare__row:hover{background:#FBFCFE;}
.compare__cell{
  padding:16px 20px;font-size:14.5px;color:var(--c-text-2);
  display:flex;align-items:center;gap:8px;
  border-left:1px solid var(--c-line);
}
.compare__cell:first-child{border-left:0;}
.compare__cell--name{font-weight:600;color:var(--c-text);font-size:15px;}
.compare__cell.is-reco{background:rgba(255,122,46,.045);border-left:2px solid rgba(255,122,46,.5);}
.compare__yes{color:var(--c-mint);font-weight:600;}
.compare__no{color:var(--c-text-3);}
.compare-legend{
  display:flex;flex-wrap:wrap;gap:10px 24px;
  margin-top:18px;font-size:13.5px;color:var(--c-text-3);
}

/* 移动端权益卡片 */
.compare-mobile{display:none;gap:18px;grid-template-columns:1fr;}
.tier-card{
  border:1px solid var(--c-line);border-radius:var(--r-card);
  background:var(--c-surface);box-shadow:var(--sh-1);overflow:hidden;
}
.tier-card.is-reco{border-color:rgba(255,122,46,.55);}
.tier-card__head{
  padding:18px 20px;border-bottom:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.tier-card.is-reco .tier-card__head{background:rgba(255,122,46,.07);}
.tier-card__name{font-size:17px;font-weight:700;}
.tier-card__body{padding:8px 20px 20px;}
.tier-card__line{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:12px 0;border-bottom:1px solid var(--c-line);font-size:14.5px;
}
.tier-card__line:last-child{border-bottom:0;}
.tier-card__line span:first-child{color:var(--c-text-2);}
.tier-card__line span:last-child{color:var(--c-text);font-weight:600;text-align:right;}

/* ============ 等级亮点 5/7 错落 ============ */
.tier-highlight{
  display:grid;grid-template-columns:repeat(12,minmax(0,1fr));
  gap:24px;align-items:start;
}
.tier-panel{
  grid-column:span 5;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:30px 28px;box-shadow:var(--sh-1);
  position:relative;overflow:hidden;
  transition:box-shadow var(--t),border-color var(--t),transform var(--t);
}
.tier-panel::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--c-brand);
}
.tier-panel:nth-child(2){grid-column:span 7;}
.tier-panel.is-reco{
  border-color:rgba(255,122,46,.55);
  transform:translateY(-8px);
  box-shadow:var(--sh-2);
}
.tier-panel.is-reco::before{background:var(--c-accent);}
.tier-panel:hover{box-shadow:var(--sh-3);}
.tier-panel__top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:6px;}
.tier-panel h3{margin:0;font-size:21px;}
.tier-panel__desc{color:var(--c-text-2);font-size:15px;margin:6px 0 18px;}
.tier-panel ul{list-style:none;padding:0;margin:0 0 22px;}
.tier-panel ul li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:15px;color:var(--c-text-2);margin:0 0 10px;
}
.tier-panel ul li .check{margin-top:5px;}

/* ============ 开通步骤 ============ */
.steps{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;counter-reset:step;
}
.step{
  position:relative;padding:26px 24px 24px;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);
  transition:box-shadow var(--t),border-color var(--t),transform var(--t);
}
.step:hover{box-shadow:var(--sh-2);border-color:rgba(15,92,153,.35);transform:translateY(-2px);}
.step__num{
  font-size:28px;font-weight:700;color:rgba(15,92,153,.28);
  font-variant-numeric:tabular-nums;line-height:1;margin-bottom:12px;
}
.step h3{margin:0 0 8px;font-size:17px;}
.step p{margin:0;font-size:14.5px;color:var(--c-text-2);}

/* ============ 图文说明块 ============ */
.feature-split{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:40px;align-items:center;
}
.feature-split__media{
  border-radius:var(--r-card);overflow:hidden;border:1px solid var(--c-line);
  background:var(--c-brand-soft);aspect-ratio:3/2;box-shadow:var(--sh-1);
}
.feature-split__media img{width:100%;height:100%;object-fit:cover;}
.feature-split h3{margin-top:0;font-size:22px;}
.feature-split p{color:var(--c-text-2);}
.feature-list{list-style:none;padding:0;margin:0;}
.feature-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:14px 0;border-bottom:1px solid var(--c-line);font-size:15px;color:var(--c-text-2);
}
.feature-list li:last-child{border-bottom:0;}
.feature-list strong{color:var(--c-text);display:block;font-size:15.5px;font-weight:600;margin-bottom:2px;}

/* ============ FAQ ============ */
.faq{max-width:820px;}
.faq details{
  border-bottom:1px solid var(--c-line);
  transition:background-color var(--t);
}
.faq details:first-of-type{border-top:1px solid var(--c-line);}
.faq summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 4px;font-size:16px;font-weight:600;color:var(--c-text);
  transition:color var(--t);
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary:hover{color:var(--c-brand);}
.faq .icon{
  width:20px;height:20px;flex-shrink:0;position:relative;
  transition:transform 200ms ease-out;
}
.faq .icon::before,.faq .icon::after{
  content:"";position:absolute;background:var(--c-brand);border-radius:2px;
}
.faq .icon::before{left:0;right:0;top:9px;height:2px;}
.faq .icon::after{top:0;bottom:0;left:9px;width:2px;}
.faq details[open] .icon{transform:rotate(180deg);}
.faq details[open] .icon::after{opacity:0;}
.faq .answer{
  padding:0 4px 22px;max-width:760px;
  font-size:15px;line-height:1.85;color:var(--c-text-2);
}
.faq .answer p{margin:0;}

/* ============ CTA 封底 ============ */
.cta-band{
  background:var(--c-brand-deep);
  border:1px solid var(--c-brand-deep);
  border-radius:var(--r-card);
  padding:44px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  flex-wrap:wrap;
}
.cta-band__text h2{color:#fff;margin:0 0 8px;font-size:clamp(20px,2.3vw,26px);}
.cta-band__text p{color:rgba(255,255,255,.75);margin:0;font-size:15px;max-width:620px;}
.cta-band__actions{display:flex;gap:14px;flex-wrap:wrap;}
.cta-band .btn--secondary{color:#fff;border-color:rgba(255,255,255,.5);}
.cta-band .btn--secondary:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff;}

/* ============ 页脚 ============ */
.site-footer{background:#F2F6FA;border-top:1px solid var(--c-line);padding:56px 0 0;margin-top:0;}
.footer__grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px;
  padding-bottom:36px;
}
.footer__brand{font-size:19px;font-weight:700;color:var(--c-text);margin-bottom:10px;}
.footer__desc{font-size:14px;color:var(--c-text-2);margin:0;max-width:300px;line-height:1.75;}
.site-footer h3{
  font-size:14px;font-weight:600;color:var(--c-text);
  margin:0 0 14px;letter-spacing:.01em;
}
.site-footer ul{list-style:none;padding:0;margin:0;}
.site-footer li{margin:0 0 10px;}
.site-footer a{font-size:14px;color:var(--c-text-2);}
.site-footer a:hover{color:var(--c-brand);}
.site-footer .small{font-size:13.5px;color:var(--c-text-3);margin:0 0 10px;line-height:1.7;}
.footer__bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  border-top:1px solid var(--c-line);
  padding:20px 0 28px;font-size:13.5px;color:var(--c-text-3);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{max-width:1120px;}
  .tier-highlight{gap:20px;}
}
@media (max-width:1023px){
  .header__inner{gap:20px;}
  .nav__links{gap:20px;}
  .nav__link{font-size:14px;}
  .cat-hero__grid{grid-template-columns:1fr;gap:36px;}
  .cat-hero__media{order:-1;}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stats__item:nth-child(2){border-right:0;}
  .stats__item:nth-child(1),.stats__item:nth-child(2){border-bottom:1px solid var(--c-line);}
  .feature-split{grid-template-columns:1fr;gap:28px;}
  .tier-panel,.tier-panel:nth-child(2){grid-column:span 12;transform:none;}
  .tier-panel.is-reco{transform:none;}
  .steps{grid-template-columns:1fr;gap:18px;}
  .footer__grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .section--tight{padding:48px 0 56px;}
  .header__inner{height:60px;}
  .brand__main{font-size:16px;}
  .brand__sub{display:none;}
  .brand__divider{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav__links{
    position:absolute;left:0;right:0;top:60px;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--c-surface);
    border-bottom:1px solid var(--c-line);
    box-shadow:var(--sh-2);
    padding:8px 18px 16px;
    display:none;
  }
  .site-header.nav-open .nav__links{display:flex;}
  .nav__link{padding:14px 0;border-bottom:1px solid var(--c-line);font-size:15px;}
  .nav__link:last-child{border-bottom:0;}
  .nav__link.is-active::after{display:none;}
  .nav__link.is-active{color:var(--c-brand);}
  .header__actions{margin-left:auto;}
  .header__actions .btn{display:none;}
  h1{font-size:28px;}
  .cat-hero{padding:18px 0 56px;}
  .cat-hero__lead{font-size:16.5px;}
  .cat-hero__actions{gap:12px;}
  .cat-hero__actions .btn{flex:1 1 100%;}
  .trust-row{flex-direction:column;gap:8px;}
  .stats{grid-template-columns:1fr;}
  .stats__item{border-right:0;border-bottom:1px solid var(--c-line);padding:22px 20px;}
  .stats__item:nth-child(1),.stats__item:nth-child(2){border-bottom:1px solid var(--c-line);}
  .stats__item:last-child{border-bottom:0;}
  .compare-desktop{display:none;}
  .compare-mobile{display:grid;}
  .compare-legend{gap:8px 16px;font-size:13px;}
  .cta-band{padding:32px 22px;flex-direction:column;align-items:flex-start;}
  .cta-band__actions{width:100%;}
  .cta-band__actions .btn{flex:1 1 100%;}
  .footer__grid{grid-template-columns:1fr;gap:26px;}
  .footer__bottom{flex-direction:column;gap:6px;}
  .feature-split__media{aspect-ratio:16/10;}
}
@media (max-width:520px){
  .brand__main{font-size:15px;}
  .btn{font-size:14px;padding:0 18px;}
  .btn--block-sm{width:100%;}
  .tier-panel{padding:24px 20px;}
  .tier-card__body{padding:6px 16px 16px;}
  .compare__th,.compare__cell{padding:14px 16px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category2 */
:root{
  --c-brand:#0F5C99;
  --c-brand-deep:#0A3F6B;
  --c-brand-soft:#E8F1FA;
  --c-accent:#FF7A2E;
  --c-accent-dark:#F0681A;
  --c-mint:#14B8A0;
  --c-bg:#F7F9FC;
  --c-surface:#FFFFFF;
  --c-line:#E5EBF2;
  --c-text:#16202E;
  --c-text-2:#5B6B7F;
  --c-text-3:#8A98A8;
  --c-danger:#D64545;
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(11,45,80,.04);
  --sh-2:0 10px 28px rgba(11,45,80,.07);
  --sh-3:0 16px 36px rgba(11,45,80,.10);
  --font:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --ease:180ms ease-out;
}
*,*::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(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-brand);text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease);}
a:hover{color:var(--c-brand-deep);}
button{font:inherit;cursor:pointer;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
h1,h2,h3{line-height:1.3;font-weight:700;letter-spacing:-0.005em;}
:focus-visible{outline:3px solid rgba(15,92,153,.25);outline-offset:2px;border-radius:6px;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section + .section{border-top:1px solid var(--c-line);}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.97);
  border-bottom:1px solid var(--c-line);
  backdrop-filter:saturate(150%) blur(8px);
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;color:var(--c-text);}
.brand:hover{color:var(--c-text);}
.brand__mark{
  width:32px;height:32px;border-radius:9px;background:var(--c-brand);
  color:#fff;font-weight:700;font-size:15px;display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;flex:none;
}
.brand__name{font-size:17px;font-weight:700;white-space:nowrap;}
.brand__sub{
  font-size:12px;color:var(--c-text-3);padding-left:10px;
  border-left:1px solid var(--c-line);white-space:nowrap;
}
.nav__links{display:flex;align-items:center;gap:26px;}
.nav__link{position:relative;padding:6px 0;font-size:15px;color:var(--c-text-2);white-space:nowrap;}
.nav__link:hover{color:var(--c-brand-deep);}
.nav__link.is-active{color:var(--c-brand);font-weight:600;}
.nav__link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;
  background:var(--c-brand);border-radius:2px;
}
.nav__cta{display:flex;align-items:center;gap:12px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  border:1px solid transparent;font-size:15px;font-weight:600;
  text-decoration:none;cursor:pointer;
  transition:background-color var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn--primary{background:var(--c-accent);color:#fff;box-shadow:0 6px 16px rgba(255,122,46,.22);}
.btn--primary:hover{background:var(--c-accent-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,122,46,.28);}
.btn--primary:active{transform:translateY(0);}
.btn--ghost{background:transparent;border-color:var(--c-brand);color:var(--c-brand);}
.btn--ghost:hover{background:rgba(15,92,153,.06);color:var(--c-brand-deep);border-color:var(--c-brand-deep);}
.btn--sm{height:38px;padding:0 16px;font-size:14px;}
.btn--onDark{background:var(--c-accent);color:#fff;border-color:transparent;}
.btn--onDark:hover{background:var(--c-accent-dark);color:#fff;transform:translateY(-1px);}
.btn--onDarkGhost{background:transparent;border-color:rgba(255,255,255,.42);color:#fff;}
.btn--onDarkGhost:hover{background:rgba(255,255,255,.10);color:#fff;border-color:rgba(255,255,255,.7);}
.btn[disabled]{opacity:.55;filter:saturate(40%);cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- 标签 / 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 12px;
  border-radius:999px;font-size:12px;font-weight:500;
  background:rgba(15,92,153,.10);color:var(--c-brand);
}
.badge--mint{background:rgba(20,184,160,.12);color:#0E8C7A;}
.badge--accent{background:rgba(255,122,46,.14);color:#C9550D;}

/* ---------- 面包屑 ---------- */
.crumb{background:var(--c-surface);border-bottom:1px solid var(--c-line);}
.crumb__list{display:flex;align-items:center;flex-wrap:wrap;gap:8px;padding:16px 0;font-size:14px;color:var(--c-text-3);}
.crumb__list a{color:var(--c-text-2);}
.crumb__list a:hover{color:var(--c-brand);}
.crumb__sep{color:#C6D2DE;}
.crumb__current{color:var(--c-text);font-weight:600;}

/* ---------- Hero ---------- */
.hero{background:var(--c-surface);border-bottom:1px solid var(--c-line);}
.hero__grid{
  display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;
  min-height:560px;padding:72px 24px 88px;
}
.hero__text{max-width:620px;}
.hero h1{
  font-size:clamp(28px,4.2vw,44px);line-height:1.22;font-weight:700;letter-spacing:-0.01em;
  margin:20px 0 0;
}
.hero__lead{margin-top:16px;font-size:17px;line-height:1.8;color:var(--c-text-2);max-width:540px;}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero__trust{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:26px;font-size:14px;color:var(--c-text-2);}
.hero__trust li{display:flex;align-items:center;gap:8px;}
.hero__trust li::before{
  content:"";width:14px;height:14px;flex:none;border-radius:50%;
  background:rgba(20,184,160,.14);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2314B8A0' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='5 13 10 18 19 7'/%3E%3C/svg%3E");
  background-size:11px 11px;background-position:center;background-repeat:no-repeat;
}
.hero__media{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  background:var(--c-brand-soft);box-shadow:var(--sh-2);
}
.hero__media img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-card);}
.hero__media::after{
  content:"";position:absolute;left:0;top:0;width:3px;height:56px;background:var(--c-brand);
}

/* ---------- 数据条 ---------- */
.statbar{background:var(--c-surface);border-bottom:1px solid var(--c-line);}
.statbar__grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  padding:40px 24px;
}
.stat{padding:6px 24px;border-left:1px solid var(--c-line);}
.stat:first-child{border-left:none;padding-left:0;}
.stat__num{
  display:block;font-size:30px;font-weight:700;color:var(--c-brand);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.stat__label{display:block;margin-top:6px;font-size:14px;color:var(--c-text-2);}

/* ---------- 目录布局 ---------- */
.dir__grid{display:grid;grid-template-columns:260px 1fr;gap:56px;align-items:start;}
.dir-side{position:sticky;top:96px;}
.dir-side__title{
  font-size:12px;font-weight:500;color:var(--c-text-3);
  letter-spacing:.04em;margin-bottom:12px;
}
.dir-nav li + li{margin-top:2px;}
.dir-nav a{
  display:block;padding:10px 14px;border-radius:var(--r-btn);
  border-left:2px solid transparent;font-size:14px;color:var(--c-text-2);
}
.dir-nav a:hover{background:var(--c-brand-soft);color:var(--c-brand-deep);border-left-color:var(--c-brand);}
.side-card{
  margin-top:28px;padding:22px;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);
}
.side-card__title{font-size:15px;font-weight:600;}
.side-card__desc{margin-top:8px;font-size:14px;color:var(--c-text-2);line-height:1.7;}
.side-card .btn{margin-top:16px;}

.dir-head{max-width:720px;margin-bottom:12px;}
.dir-head h2{font-size:clamp(22px,2.6vw,32px);}
.dir-head p{margin-top:12px;color:var(--c-text-2);}

.dir-group{margin-top:44px;}
.dir-group:first-of-type{margin-top:36px;}
.dir-group__head{display:flex;align-items:baseline;gap:14px;padding-bottom:16px;border-bottom:1px solid var(--c-line);}
.dir-group__head h3{font-size:20px;font-weight:600;}
.dir-group__head p{font-size:14px;color:var(--c-text-3);}
.dir-group__no{
  font-size:13px;font-weight:600;color:var(--c-brand);
  background:var(--c-brand-soft);border-radius:8px;padding:3px 10px;flex:none;
}

.dir-list{display:grid;gap:14px;margin-top:20px;}
.entry{
  position:relative;display:grid;grid-template-columns:56px 1fr 24px;align-items:center;gap:18px;
  padding:20px 22px;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);color:var(--c-text);
  transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);
}
.entry::before{
  content:"";position:absolute;left:0;top:20px;bottom:20px;width:3px;
  border-radius:0 3px 3px 0;background:var(--c-brand);opacity:.85;
}
.entry:hover{
  transform:translateY(-2px);box-shadow:var(--sh-2);
  border-color:rgba(15,92,153,.28);color:var(--c-text);
}
.entry__num{
  font-size:28px;font-weight:700;color:rgba(15,92,153,.30);
  font-variant-numeric:tabular-nums;line-height:1;text-align:left;
}
.entry__title{display:block;font-size:16px;font-weight:600;color:var(--c-text);}
.entry__desc{display:block;margin-top:6px;font-size:14px;color:var(--c-text-2);line-height:1.7;}
.entry__arrow{
  width:20px;height:20px;stroke:var(--c-text-3);stroke-width:2;fill:none;
  transition:transform var(--ease),stroke var(--ease);
}
.entry:hover .entry__arrow{stroke:var(--c-brand);transform:translateX(4px);}

/* ---------- 使用要点 ---------- */
.tips__grid{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:center;}
.tips__media{
  border-radius:var(--r-card);overflow:hidden;background:var(--c-brand-soft);
  box-shadow:var(--sh-2);
}
.tips__media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.tips h2{font-size:clamp(22px,2.6vw,32px);}
.tips__intro{margin-top:14px;color:var(--c-text-2);max-width:560px;}
.tips__list{margin-top:28px;display:grid;gap:22px;counter-reset:tip;}
.tips__list li{position:relative;padding-left:46px;}
.tips__list li::before{
  counter-increment:tip;content:counter(tip,decimal-leading-zero);
  position:absolute;left:0;top:2px;font-size:18px;font-weight:700;
  color:rgba(15,92,153,.32);font-variant-numeric:tabular-nums;
}
.tips__list h3{font-size:16px;font-weight:600;}
.tips__list p{margin-top:6px;font-size:14px;color:var(--c-text-2);line-height:1.75;}

/* ---------- 状态说明带 ---------- */
.notice{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--c-line);
  border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;margin-top:40px;
}
.notice__item{background:var(--c-surface);padding:26px 24px;}
.notice__item h3{font-size:15px;font-weight:600;color:var(--c-brand);}
.notice__item p{margin-top:8px;font-size:14px;color:var(--c-text-2);line-height:1.75;}

/* ---------- FAQ ---------- */
.faq{max-width:860px;}
.faq__list{margin-top:28px;border-top:1px solid var(--c-line);}
.faq details{border-bottom:1px solid var(--c-line);}
.faq summary{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:64px;padding:16px 0;cursor:pointer;list-style:none;
  font-size:16px;font-weight:600;color:var(--c-text);
  transition:color var(--ease);
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary:hover{color:var(--c-brand);}
.faq summary::after{
  content:"";width:16px;height:16px;flex:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%230F5C99' stroke-width='2' stroke-linecap='round'%3E%3Cline x1='12' y1='5' x2='12' y2='19'/%3E%3Cline x1='5' y1='12' x2='19' y2='12'/%3E%3C/svg%3E");
  background-size:16px 16px;background-position:center;background-repeat:no-repeat;
  transition:transform 200ms ease-out;
}
.faq details[open] summary::after{transform:rotate(45deg);}
.faq__answer{max-width:760px;padding:0 0 22px;font-size:15px;line-height:1.85;color:var(--c-text-2);}

/* ---------- CTA ---------- */
.cta-wrap{padding:0 0 96px;}
.cta{
  background:var(--c-brand-deep);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-card);padding:44px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
}
.cta h2{color:#fff;font-size:clamp(20px,2.2vw,26px);}
.cta p{margin-top:10px;color:rgba(255,255,255,.72);font-size:15px;max-width:560px;}
.cta__actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 页脚 ---------- */
.site-footer{background:#F2F6FA;border-top:1px solid var(--c-line);padding:64px 0 28px;}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer__brand{font-size:17px;font-weight:700;color:var(--c-text);}
.footer__desc{margin-top:12px;font-size:14px;color:var(--c-text-2);line-height:1.75;max-width:320px;}
.footer h3{font-size:14px;font-weight:600;color:var(--c-text);margin-bottom:14px;}
.footer ul li + li{margin-top:10px;}
.footer a{font-size:14px;color:var(--c-text-2);}
.footer a:hover{color:var(--c-brand);}
.small{font-size:13px;color:var(--c-text-3);line-height:1.7;}
.footer__bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--c-text-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{max-width:1120px;}
  .hero__grid{gap:40px;}
  .dir__grid{gap:40px;}
}
@media (max-width:1023px){
  .section{padding:72px 0;}
  .hero__grid{grid-template-columns:1fr;min-height:auto;padding:56px 24px 72px;}
  .hero__media{order:-1;}
  .hero__text{max-width:none;}
  .statbar__grid{grid-template-columns:repeat(2,1fr);gap:0;}
  .stat{padding:16px 22px;border-left:1px solid var(--c-line);}
  .stat:nth-child(odd){border-left:none;padding-left:0;}
  .stat:nth-child(n+3){border-top:1px solid var(--c-line);}
  .dir__grid{grid-template-columns:1fr;gap:32px;}
  .dir-side{position:static;}
  .dir-nav{display:flex;gap:8px;overflow-x:auto;padding-bottom:6px;}
  .dir-nav li + li{margin-top:0;}
  .dir-nav a{border-left:none;border-bottom:2px solid transparent;white-space:nowrap;}
  .dir-nav a:hover{border-left-color:transparent;border-bottom-color:var(--c-brand);}
  .side-card{margin-top:20px;}
  .tips__grid{grid-template-columns:1fr;gap:32px;}
  .notice{grid-template-columns:1fr;}
  .footer__grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta{padding:36px 32px;}
}
@media (max-width:767px){
  body{font-size:15.5px;}
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .nav{height:60px;gap:14px;}
  .brand__sub{display:none;}
  .brand__name{font-size:16px;}
  .nav__links{
    gap:18px;overflow-x:auto;flex:1;padding:8px 2px;
    scrollbar-width:none;
  }
  .nav__links::-webkit-scrollbar{display:none;}
  .nav__cta .btn--sm{height:36px;padding:0 14px;}
  .hero__grid{padding:40px 18px 56px;gap:28px;}
  .hero h1{font-size:clamp(26px,7.4vw,32px);}
  .hero__lead{font-size:16px;}
  .hero__actions{gap:10px;}
  .hero__actions .btn{flex:1 1 auto;}
  .statbar__grid{padding:24px 18px;}
  .stat__num{font-size:24px;}
  .entry{grid-template-columns:44px 1fr 18px;gap:12px;padding:16px 18px;}
  .entry__num{font-size:22px;}
  .entry::before{top:14px;bottom:14px;}
  .dir-group__head{flex-wrap:wrap;gap:8px 12px;}
  .tips__list li{padding-left:38px;}
  .cta{padding:28px 22px;flex-direction:column;align-items:flex-start;}
  .cta__actions{width:100%;}
  .cta__actions .btn{flex:1 1 100%;}
  .footer__grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{padding:48px 0 24px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category3 */
:root{
  --c-brand:#0F5C99;
  --c-brand-deep:#0A3F6B;
  --c-brand-soft:#E8F1FA;
  --c-accent:#FF7A2E;
  --c-accent-deep:#EA6A1E;
  --c-mint:#14B8A0;
  --c-bg:#F7F9FC;
  --c-surface:#FFFFFF;
  --c-line:#E5EBF2;
  --c-text:#16202E;
  --c-text-2:#5B6B7F;
  --c-text-3:#8A98A8;
  --c-danger:#D64545;
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(11,45,80,.04);
  --sh-2:0 10px 28px rgba(11,45,80,.07);
  --sh-3:0 16px 36px rgba(11,45,80,.10);
  --sec-y:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:var(--c-brand);text-decoration:none;transition:color .18s ease-out;}
a:hover{color:var(--c-brand-deep);}
button{font:inherit;cursor:pointer;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
strong{font-weight:700;}
:focus-visible{outline:3px solid rgba(15,92,153,.25);outline-offset:2px;border-radius:6px;}

.container{max-width:1200px;margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .2s ease-out;
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.nav__inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;height:72px;
}
.logo{display:flex;align-items:center;gap:12px;color:var(--c-text);}
.logo:hover{color:var(--c-text);}
.logo__mark{
  font-weight:700;font-size:18px;letter-spacing:-.01em;white-space:nowrap;
}
.logo__sep{width:1px;height:20px;background:var(--c-line);}
.logo__sub{font-size:12px;color:var(--c-text-2);white-space:nowrap;}
.nav__links{display:flex;align-items:center;gap:28px;}
.nav__link{
  position:relative;
  font-size:15px;color:var(--c-text-2);
  padding:6px 0;
}
.nav__link:hover{color:var(--c-brand-deep);}
.nav__link.is-active{color:var(--c-brand);font-weight:600;}
.nav__link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:0;
  height:2px;background:var(--c-brand);border-radius:2px;
}
.nav__cta{display:flex;align-items:center;gap:12px;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;font-weight:600;
  text-align:center;white-space:nowrap;
  transition:background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out;
}
.btn--primary{background:var(--c-accent);color:#fff;box-shadow:var(--sh-1);}
.btn--primary:hover{background:var(--c-accent-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn--ghost{background:transparent;color:var(--c-brand);border-color:var(--c-brand);}
.btn--ghost:hover{background:rgba(15,92,153,.06);color:var(--c-brand-deep);}
.btn--sm{height:40px;padding:0 18px;font-size:14px;}
.btn--xs{height:34px;padding:0 14px;font-size:13px;}
.btn[disabled],.btn.is-disabled{
  filter:saturate(.4);opacity:.7;cursor:not-allowed;transform:none;box-shadow:none;
}
.text-link{
  font-size:14px;font-weight:600;color:var(--c-brand);
  text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;
}
.text-link:hover{color:var(--c-brand-deep);}

/* ---------- Breadcrumb ---------- */
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:24px 0 0;
  font-size:14px;color:var(--c-text-3);
}
.crumb a{color:var(--c-text-2);}
.crumb a:hover{color:var(--c-brand);}
.crumb__sep{color:#C3CEDA;}
.crumb__current{color:var(--c-text);font-weight:600;}

/* ---------- Hero (长文型) ---------- */
.hero-long{
  padding:40px 0 72px;
  text-align:center;
  position:relative;
  overflow:hidden;
}
.hero-long::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(15,92,153,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(15,92,153,.04) 1px,transparent 1px);
  background-size:48px 48px;
  mask-image:radial-gradient(ellipse at 50% 0%,#000 0%,transparent 72%);
  -webkit-mask-image:radial-gradient(ellipse at 50% 0%,#000 0%,transparent 72%);
  pointer-events:none;
}
.hero-long .container{position:relative;}
.tagline{
  display:inline-flex;align-items:center;gap:8px;
  height:24px;padding:0 12px;border-radius:999px;
  background:rgba(15,92,153,.1);color:var(--c-brand);
  font-size:12px;font-weight:600;
  margin-bottom:20px;
}
.hero-long h1{
  font-size:clamp(28px,4.2vw,44px);
  line-height:1.22;font-weight:700;letter-spacing:-.01em;
  max-width:820px;margin:0 auto 18px;
}
.hero-long .lede{
  max-width:720px;margin:0 auto;
  font-size:17px;line-height:1.9;color:var(--c-text-2);
}
.hero-actions{
  display:flex;flex-wrap:wrap;justify-content:center;gap:14px;
  margin-top:28px;
}
.hero-meta{
  margin-top:18px;font-size:13px;color:var(--c-text-3);
}
.hero-figure{
  max-width:1000px;margin:48px auto 0;
  border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--c-line);
  background:var(--c-brand-soft);
  box-shadow:var(--sh-1);
}
.hero-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;}

/* ---------- Stats ---------- */
.stats{
  border-top:1px solid var(--c-line);
  border-bottom:1px solid var(--c-line);
  background:var(--c-surface);
}
.stats__grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  padding:36px 0;
}
.stats__item{padding:0 28px;border-left:1px solid var(--c-line);}
.stats__item:first-child{border-left:0;padding-left:0;}
.stats__num{
  font-size:clamp(24px,2.6vw,32px);font-weight:700;color:var(--c-brand);
  line-height:1.2;font-variant-numeric:tabular-nums;
}
.stats__num span{font-size:15px;font-weight:600;color:var(--c-text-2);margin-left:4px;}
.stats__label{margin-top:8px;font-size:14px;color:var(--c-text-2);line-height:1.7;}

/* ---------- Section base ---------- */
.section{padding:var(--sec-y) 0;}
.section--tight{padding:64px 0;}
.section--line{border-top:1px solid var(--c-line);}
.section__head{max-width:760px;margin-bottom:40px;}
.section__head--center{margin-left:auto;margin-right:auto;text-align:center;}
.section__eyebrow{
  font-size:12px;font-weight:600;color:var(--c-brand);
  letter-spacing:.02em;margin-bottom:12px;
}
.section__head h2{
  font-size:clamp(22px,2.6vw,32px);line-height:1.3;font-weight:700;letter-spacing:-.01em;
}
.section__head p{margin-top:14px;font-size:16px;color:var(--c-text-2);}

/* ---------- Long form article ---------- */
.longform{max-width:760px;margin:0 auto;}
.longform h2{
  position:relative;
  font-size:clamp(21px,2.4vw,27px);line-height:1.35;font-weight:700;
  padding-left:16px;margin:56px 0 16px;
}
.longform h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;
  width:4px;border-radius:2px;background:var(--c-brand);
}
.longform h2:first-child{margin-top:0;}
.longform h3{
  display:inline-block;
  font-size:16px;line-height:1.6;font-weight:600;color:var(--c-brand-deep);
  background:rgba(15,92,153,.09);
  padding:4px 12px;border-radius:8px;
  margin:32px 0 12px;
}
.longform p{margin:0 0 1.1em;color:var(--c-text);}
.longform p.lead{font-size:17px;line-height:1.9;color:var(--c-text-2);}
.longform ul{margin:0 0 1.2em;padding-left:0;}
.longform ul li{
  position:relative;padding-left:24px;margin-bottom:10px;color:var(--c-text-2);
}
.longform ul li::before{
  content:"";position:absolute;left:2px;top:.72em;
  width:8px;height:8px;border-radius:50%;
  background:rgba(15,92,153,.22);
}
.longform ul li strong{color:var(--c-text);}
.longform blockquote{
  margin:24px 0;padding:18px 22px;
  border-left:3px solid var(--c-brand);
  background:var(--c-brand-soft);
  border-radius:0 var(--r-img) var(--r-img) 0;
  color:var(--c-text-2);font-size:15px;line-height:1.85;
}
.longform figure{margin:36px 0;}
.longform figure img{width:100%;aspect-ratio:16/9;object-fit:cover;border:1px solid var(--c-line);}
.longform figcaption{
  margin-top:12px;text-align:center;font-size:13px;color:var(--c-text-3);
}
.inline-actions{
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;
  margin:36px 0 0;padding-top:28px;border-top:1px solid var(--c-line);
}

/* ---------- Step flow ---------- */
.flow{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  position:relative;
}
.flow__card{
  position:relative;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:26px 22px;
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:box-shadow .18s ease-out,transform .18s ease-out,border-color .18s ease-out;
}
.flow__card::before{
  content:"";position:absolute;left:0;top:0;width:3px;height:52px;
  background:var(--c-brand);border-radius:0 3px 3px 0;
}
.flow__card:hover{box-shadow:var(--sh-3);transform:translateY(-2px);border-color:rgba(15,92,153,.18);}
.flow__idx{
  font-size:28px;font-weight:700;line-height:1;color:rgba(15,92,153,.22);
  font-variant-numeric:tabular-nums;margin-bottom:14px;
}
.flow__card h3{font-size:17px;font-weight:600;margin-bottom:8px;}
.flow__card p{font-size:14px;line-height:1.75;color:var(--c-text-2);}
.flow__tag{
  display:inline-block;margin-top:14px;
  height:22px;line-height:22px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:500;
  background:rgba(20,184,160,.12);color:#0E8C7B;
}

/* ---------- Situation cards ---------- */
.situations{
  display:grid;grid-template-columns:repeat(2,1fr);gap:20px;
  max-width:960px;margin:0 auto;
}
.situation{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--sh-1);
  transition:box-shadow .18s ease-out,transform .18s ease-out,border-color .18s ease-out;
}
.situation:hover{box-shadow:var(--sh-3);transform:translateY(-2px);border-color:rgba(15,92,153,.18);}
.situation__top{display:flex;align-items:center;gap:10px;margin-bottom:10px;}
.situation__badge{
  height:22px;line-height:22px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:600;background:rgba(15,92,153,.1);color:var(--c-brand);
}
.situation h3{font-size:17px;font-weight:600;line-height:1.45;}
.situation p{font-size:14px;line-height:1.8;color:var(--c-text-2);margin-top:6px;}

/* ---------- FAQ ---------- */
.faq{max-width:840px;margin:0 auto;border-top:1px solid var(--c-line);}
.faq details{border-bottom:1px solid var(--c-line);}
.faq summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:64px;padding:18px 4px;
  font-size:16px;font-weight:600;color:var(--c-text);
  cursor:pointer;list-style:none;
  transition:color .18s ease-out;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary:hover{color:var(--c-brand);}
.faq summary .icon{
  flex:0 0 auto;position:relative;width:16px;height:16px;
  transition:transform .2s ease-out;
}
.faq summary .icon::before,
.faq summary .icon::after{
  content:"";position:absolute;background:var(--c-brand);border-radius:2px;
}
.faq summary .icon::before{left:0;top:7px;width:16px;height:2px;}
.faq summary .icon::after{left:7px;top:0;width:2px;height:16px;transition:opacity .2s ease-out;}
.faq details[open] summary .icon{transform:rotate(180deg);}
.faq details[open] summary .icon::after{opacity:0;}
.faq__answer{
  max-width:760px;padding:0 4px 24px;
  font-size:15px;line-height:1.85;color:var(--c-text-2);
}

/* ---------- CTA ---------- */
.cta-block{
  border-top:1px solid var(--c-line);
  background:var(--c-brand-soft);
}
.cta-block__inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:56px 0;
}
.cta-block h2{font-size:clamp(20px,2.2vw,26px);font-weight:700;line-height:1.35;}
.cta-block p{margin-top:10px;font-size:15px;color:var(--c-text-2);max-width:620px;}
.cta-block__actions{display:flex;flex-wrap:wrap;gap:14px;flex:0 0 auto;}

/* ---------- Footer ---------- */
.site-footer{
  background:#F2F6FA;
  border-top:1px solid var(--c-line);
  padding:64px 0 0;
}
.footer__grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:44px;
}
.footer__brand{font-size:18px;font-weight:700;color:var(--c-text);margin-bottom:12px;}
.footer__desc{font-size:14px;line-height:1.8;color:var(--c-text-2);max-width:320px;}
.footer h3{font-size:14px;font-weight:600;color:var(--c-text);margin-bottom:14px;}
.footer ul li{margin-bottom:10px;}
.footer ul li a{font-size:14px;color:var(--c-text-2);}
.footer ul li a:hover{color:var(--c-brand);text-decoration:underline;text-underline-offset:3px;}
.footer .small{font-size:13px;line-height:1.75;color:var(--c-text-3);}
.footer__bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding:22px 0;border-top:1px solid var(--c-line);
  font-size:13px;color:var(--c-text-3);
}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .container{max-width:1120px;}
  :root{--sec-y:88px;}
  .nav__links{gap:20px;}
}
@media (max-width:1023px){
  :root{--sec-y:72px;}
  .nav__links{gap:16px;}
  .nav__link{font-size:14px;}
  .logo__sub{display:none;}
  .logo__sep{display:none;}
  .flow{grid-template-columns:repeat(2,1fr);}
  .stats__grid{grid-template-columns:repeat(2,1fr);gap:24px 0;padding:32px 0;}
  .stats__item:nth-child(3){border-left:0;padding-left:0;}
  .stats__item:nth-child(odd){padding-left:0;}
  .footer__grid{grid-template-columns:1fr 1fr;gap:32px;}
  .hero-figure{margin-top:36px;}
}
@media (max-width:767px){
  :root{--sec-y:56px;}
  .container{padding:0 18px;}
  .nav__inner{height:60px;gap:12px;}
  .logo__mark{font-size:16px;}
  .nav__links{
    gap:16px;overflow-x:auto;
    -webkit-overflow-scrolling:touch;
    scrollbar-width:none;
    padding-bottom:2px;
  }
  .nav__links::-webkit-scrollbar{display:none;}
  .nav__link{white-space:nowrap;font-size:14px;}
  .nav__cta .btn--sm{height:36px;padding:0 14px;font-size:13px;}
  .hero-long{padding:16px 0 48px;}
  .hero-long .lede{font-size:16px;}
  .hero-actions{flex-direction:column;}
  .hero-actions .btn{width:100%;}
  .hero-figure{border-radius:var(--r-card);}
  .hero-figure img{aspect-ratio:16/10;}
  .stats__grid{grid-template-columns:1fr;gap:0;padding:8px 0;}
  .stats__item{
    border-left:0;padding:18px 0;border-top:1px solid var(--c-line);
  }
  .stats__item:first-child{border-top:0;}
  .flow{grid-template-columns:1fr;}
  .situations{grid-template-columns:1fr;}
  .longform figure img{aspect-ratio:16/10;}
  .cta-block__inner{flex-direction:column;align-items:flex-start;padding:44px 0;}
  .cta-block__actions{width:100%;flex-direction:column;}
  .cta-block__actions .btn{width:100%;}
  .footer__grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .footer__bottom{flex-direction:column;align-items:flex-start;}
  .inline-actions{flex-direction:column;align-items:stretch;}
  .inline-actions .btn{width:100%;}
}
@media (max-width:520px){
  .hero-long h1{font-size:28px;}
  .section__head h2{font-size:22px;}
  .longform h2{font-size:21px;}
  .faq summary{font-size:15px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
}