/* roulang page: index */
:root{
  --c-bg:#FAF7F3;
  --c-surface:#FFFFFF;
  --c-ink:#14110F;
  --c-ink-2:#4A423D;
  --c-line:#E7DFD6;
  --c-primary:#FF5A2B;
  --c-primary-hover:#E04416;
  --c-secondary:#10403A;
  --c-accent:#FFC94D;
  --c-tint:#F3EFE9;
  --r-sm:10px;
  --r-md:18px;
  --r-lg:28px;
  --sh-1:0 1px 2px rgba(20,17,15,.04),0 8px 24px -12px rgba(20,17,15,.12);
  --sh-2:0 18px 40px -18px rgba(20,17,15,.24);
  --container:1248px;
  --gap:24px;
  --sp-section:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
html body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
a:hover,a:focus{color:inherit;text-decoration:none}
button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(255,90,43,.4);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:var(--sp-section) 0}
.section--tight{padding:72px 0}
.section-head{margin-bottom:44px;max-width:760px}
.section-head__row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--c-primary);text-transform:uppercase;margin-bottom:14px}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--c-primary);display:block}
h1{font-size:clamp(30px,4.2vw,52px);font-weight:800;line-height:1.18;letter-spacing:.01em}
h2{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.3;letter-spacing:.01em}
h3{font-size:clamp(18px,2vw,22px);font-weight:600;line-height:1.45}
.lead{font-size:17px;color:var(--c-ink-2);line-height:1.9}
.muted{color:var(--c-ink-2);font-size:14px}
.num{font-variant-numeric:tabular-nums}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:14px 30px;border-radius:999px;font-size:15px;font-weight:600;letter-spacing:.02em;transition:background .22s,color .22s,transform .22s,box-shadow .22s,border-color .22s;border:1px solid transparent;white-space:nowrap}
.btn svg{transition:transform .22s}
.btn:hover svg{transform:translateX(2px)}
.btn:active{transform:translateY(1px)}
.btn--primary{background:var(--c-primary);color:#fff;box-shadow:0 12px 26px -14px rgba(255,90,43,.85)}
.btn--primary:hover{background:var(--c-primary-hover);color:#fff;box-shadow:0 16px 32px -14px rgba(255,90,43,.9)}
.btn--ghost{border-color:var(--c-secondary);color:var(--c-secondary);background:transparent}
.btn--ghost:hover{background:var(--c-tint);color:var(--c-secondary)}
.btn--light{background:#F7F3EE;color:var(--c-secondary)}
.btn--light:hover{background:#fff;color:var(--c-secondary)}
.btn--sm{min-height:44px;padding:11px 22px;font-size:14px}
.btn--block{width:100%}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--c-ink);padding-bottom:2px;border-bottom:1px solid var(--c-line);transition:color .2s,border-color .2s}
.text-link:hover{color:var(--c-primary);border-color:var(--c-primary)}
.text-link svg{transition:transform .2s}
.text-link:hover svg{transform:translateX(3px)}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:70;background:rgba(250,247,243,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--c-line);transition:box-shadow .25s ease}
.site-header.is-stuck{box-shadow:0 12px 30px -22px rgba(20,17,15,.5)}
.nav{display:flex;align-items:center;gap:20px;height:76px}
.nav__brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;letter-spacing:.01em;white-space:nowrap;color:var(--c-ink)}
.nav__mark{width:32px;height:32px;flex:0 0 32px}
.nav__links{display:none;align-items:center;gap:26px;margin-left:auto}
.nav__link{position:relative;font-size:15px;font-weight:500;color:var(--c-ink-2);padding:6px 0;transition:color .2s}
.nav__link::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform .25s cubic-bezier(.22,.61,.36,1)}
.nav__link:hover{color:var(--c-ink)}
.nav__link:hover::after{transform:scaleX(1)}
.nav__link.is-active{color:var(--c-ink);font-weight:600}
.nav__link.is-active::after{transform:scaleX(1)}
.nav__cta{margin-left:auto}
.nav__burger{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid var(--c-line);border-radius:12px;background:var(--c-surface);color:var(--c-ink)}
.drawer{position:fixed;inset:0 0 0 auto;width:min(88vw,360px);background:var(--c-surface);z-index:90;transform:translateX(102%);transition:transform .34s cubic-bezier(.22,.61,.36,1);display:flex;flex-direction:column;padding:22px 22px 0;box-shadow:-20px 0 50px -30px rgba(20,17,15,.6)}
.drawer.is-open{transform:translateX(0)}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer__close{width:44px;height:44px;border:1px solid var(--c-line);border-radius:12px;display:inline-flex;align-items:center;justify-content:center}
.drawer__list{display:flex;flex-direction:column;gap:4px;flex:1;overflow-y:auto}
.drawer__list a{font-size:19px;font-weight:600;padding:16px 4px;border-bottom:1px solid var(--c-line);display:block}
.drawer__list a.is-active{color:var(--c-primary)}
.drawer__foot{padding:18px 0 24px}
.scrim{position:fixed;inset:0;background:rgba(20,17,15,.42);opacity:0;pointer-events:none;transition:opacity .3s;z-index:80}
.scrim.is-open{opacity:1;pointer-events:auto}

/* ---------- hero ---------- */
.hero{padding:56px 0 84px;overflow:hidden}
.hero__badge{display:inline-flex;align-items:center;gap:8px;background:var(--c-tint);border:1px solid var(--c-line);border-radius:999px;padding:8px 16px;font-size:13px;font-weight:600;color:var(--c-ink-2);margin-bottom:22px}
.hero__badge i{width:7px;height:7px;border-radius:50%;background:var(--c-primary);display:block}
.hero__title{margin-bottom:20px}
.hero__title em{font-style:normal;color:var(--c-primary)}
.hero__sub{font-size:17px;color:var(--c-ink-2);max-width:520px;margin-bottom:30px}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.hero__trust{display:flex;flex-wrap:wrap;gap:26px}
.hero__trust li{display:flex;align-items:center;gap:9px;font-size:14px;font-weight:600;color:var(--c-ink-2)}
.hero__trust svg{flex:0 0 18px;color:var(--c-primary)}
.hero__visual{position:relative;margin-top:40px}
.hero__img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--sh-1)}
.hero__stat{position:absolute;right:14px;bottom:14px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);padding:14px 18px;box-shadow:var(--sh-2);min-width:132px}
.hero__stat strong{display:block;font-size:28px;font-weight:800;line-height:1.1;color:var(--c-primary);font-variant-numeric:tabular-nums}
.hero__stat span{font-size:13px;color:var(--c-ink-2)}
.hero__thumb{position:absolute;left:-18px;bottom:-34px;width:132px;border-radius:var(--r-md);border:5px solid var(--c-bg);box-shadow:var(--sh-1);display:none}

/* ---------- feature grid ---------- */
.feature-grid{display:grid;grid-template-columns:1fr;gap:22px}
.fcard{position:relative;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);transition:transform .28s cubic-bezier(.22,.61,.36,1),box-shadow .28s;display:flex;flex-direction:column}
.fcard:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.fcard__media{position:relative;overflow:hidden;aspect-ratio:4/3;background:var(--c-tint)}
.fcard__media img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.22,.61,.36,1)}
.fcard:hover .fcard__media img{transform:scale(1.03)}
.fcard__tag{position:absolute;left:14px;top:14px;background:var(--c-accent);color:#2A1F00;font-size:12px;font-weight:700;padding:6px 12px;border-radius:999px;letter-spacing:.02em}
.fcard__body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.fcard__body p{font-size:15px;color:var(--c-ink-2);line-height:1.8}
.fcard__foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--c-line);display:flex;align-items:center;justify-content:space-between;gap:12px}
.fcard__chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{font-size:12px;font-weight:600;color:var(--c-ink-2);background:var(--c-tint);border-radius:999px;padding:5px 12px}
.fcard--lead .fcard__media{aspect-ratio:16/9}
.fcard--lead .fcard__body{padding:28px}
.fcard--lead .fcard__body h3{font-size:clamp(20px,2.3vw,26px)}
.fcard--lead .fcard__body p{font-size:16px}

/* ---------- reviews ---------- */
.reviews{background:var(--c-tint);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.review-track{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 4px 22px;scrollbar-width:thin}
.review-card{position:relative;flex:0 0 340px;scroll-snap-align:start;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);padding:24px;box-shadow:var(--sh-1)}
.review-card__quote{position:absolute;right:20px;top:16px;font-size:52px;line-height:1;color:var(--c-primary);opacity:.16;font-weight:800}
.review-card__top{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.review-card__avatar{width:44px;height:44px;border-radius:50%;background:var(--c-secondary);color:#F7F3EE;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;flex:0 0 44px}
.review-card__name{font-size:15px;font-weight:600}
.review-card__meta{font-size:13px;color:var(--c-ink-2)}
.review-card__stars{display:flex;gap:3px;margin-bottom:10px;color:var(--c-accent)}
.review-card__text{font-size:15px;color:var(--c-ink-2);line-height:1.85}
.review-nav{display:flex;gap:10px}
.review-nav button{width:44px;height:44px;border-radius:50%;border:1px solid var(--c-line);background:var(--c-surface);display:inline-flex;align-items:center;justify-content:center;transition:background .2s,color .2s,border-color .2s}
.review-nav button:hover{background:var(--c-primary);border-color:var(--c-primary);color:#fff}

/* ---------- assurance ---------- */
.assurance{background:var(--c-secondary);color:#F7F3EE}
.assurance__grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:rgba(247,243,238,.16)}
.assurance__item{background:var(--c-secondary);padding:28px 22px;display:flex;gap:14px;align-items:flex-start}
.assurance__item svg{flex:0 0 24px;color:var(--c-accent)}
.assurance__item strong{display:block;font-size:16px;font-weight:700;margin-bottom:6px;color:#F7F3EE}
.assurance__item span{font-size:13.5px;color:rgba(247,243,238,.72);line-height:1.75}

/* ---------- cta band ---------- */
.cta-band{background:var(--c-secondary);border-radius:var(--r-lg);padding:44px 34px;display:flex;flex-direction:column;gap:24px;align-items:flex-start;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;background:rgba(255,201,77,.14)}
.cta-band h2{color:#F7F3EE;position:relative;z-index:1}
.cta-band p{color:rgba(247,243,238,.75);font-size:16px;max-width:560px;position:relative;z-index:1}
.cta-band .btn{position:relative;z-index:1}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:1fr;gap:22px}
.news-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);transition:transform .28s cubic-bezier(.22,.61,.36,1),box-shadow .28s;display:flex;flex-direction:column;height:100%}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.news-card__hit{display:flex;flex-direction:column;height:100%}
.news-card__media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--c-tint)}
.news-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.22,.61,.36,1)}
.news-card:hover .news-card__media img{transform:scale(1.03)}
.news-card__cat{position:absolute;left:14px;top:14px;background:rgba(16,64,58,.9);color:#F7F3EE;font-size:12px;font-weight:600;padding:6px 12px;border-radius:999px}
.news-card__body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-card__title{font-size:18px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card__text{font-size:14.5px;color:var(--c-ink-2);line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-card__foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--c-line);display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--c-ink-2)}
.news-card__more{color:var(--c-primary);font-weight:600;display:inline-flex;align-items:center;gap:5px}
.news-empty{border:1px dashed var(--c-line);border-radius:var(--r-md);min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;background:var(--c-surface);text-align:center;padding:32px}
.news-empty svg{color:var(--c-primary);opacity:.75}
.news-empty p{color:var(--c-ink-2);font-size:15px}

/* ---------- faq ---------- */
.faq{border-top:1px solid var(--c-line)}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;text-align:left;padding:22px 4px;font-size:17px;font-weight:600;line-height:1.6;transition:color .2s}
.faq-q:hover{color:var(--c-primary)}
.faq-icon{flex:0 0 26px;width:26px;height:26px;border-radius:50%;border:1px solid var(--c-line);display:inline-flex;align-items:center;justify-content:center;transition:transform .3s cubic-bezier(.22,.61,.36,1),background .25s,color .25s,border-color .25s}
.faq-item.is-open .faq-icon{transform:rotate(90deg);background:var(--c-primary);border-color:var(--c-primary);color:#fff}
.faq-a{height:0;overflow:hidden;transition:height .32s cubic-bezier(.22,.61,.36,1)}
.faq-a p{padding:0 4px 24px;font-size:15.5px;color:var(--c-ink-2);line-height:1.9;max-width:880px}

/* ---------- prefooter ---------- */
.prefooter{background:var(--c-tint);border-top:1px solid var(--c-line)}
.prefooter__inner{display:flex;flex-direction:column;gap:22px;align-items:flex-start}

/* ---------- footer ---------- */
.site-footer{background:var(--c-secondary);color:#F7F3EE;padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;margin-bottom:16px;color:#F7F3EE}
.footer-title{font-size:14px;font-weight:700;letter-spacing:.1em;color:#F7F3EE;margin-bottom:16px;text-transform:uppercase}
.footer-list li{margin-bottom:11px}
.footer-list a,.footer-text{font-size:14px;color:rgba(247,243,238,.68);transition:color .2s,transform .2s;display:inline-block}
.footer-list a:hover{color:#fff;transform:translateX(2px)}
.footer-form{display:flex;flex-direction:column;gap:12px}
.footer-form input{height:48px;border-radius:var(--r-sm);border:1px solid rgba(247,243,238,.22);background:rgba(247,243,238,.08);color:#F7F3EE;padding:0 16px;font-size:14px}
.footer-form input::placeholder{color:rgba(247,243,238,.45)}
.footer-form input:focus{border-color:var(--c-primary);outline:none;box-shadow:0 0 0 3px rgba(255,90,43,.28)}
.footer-bottom{margin-top:56px;border-top:1px solid rgba(247,243,238,.14);padding:22px 0 30px;display:flex;flex-direction:column;gap:12px;font-size:13px;color:rgba(247,243,238,.6)}
.footer-bottom a{color:rgba(247,243,238,.78)}
.footer-bottom a:hover{color:#fff}

/* ---------- mobile sticky cta ---------- */
.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:65;background:rgba(250,247,243,.97);border-top:1px solid var(--c-line);padding:9px 16px;display:flex;gap:10px;align-items:center;box-shadow:0 -12px 30px -22px rgba(20,17,15,.5)}
.sticky-cta .btn{flex:1;min-height:48px}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s cubic-bezier(.22,.61,.36,1),transform .4s cubic-bezier(.22,.61,.36,1)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{scroll-behavior:auto !important}
  .fcard:hover,.news-card:hover{transform:none}
}

/* ---------- responsive ---------- */
@media (min-width:768px){
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:36px}
  .cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:48px 44px}
  .prefooter__inner{flex-direction:row;align-items:center;justify-content:space-between}
  .hero__thumb{display:block}
  .sticky-cta{display:none}
}
@media (min-width:1024px){
  .nav__links{display:flex}
  .nav__burger{display:none}
  .nav__cta{margin-left:0}
  .hero{padding:72px 0 104px}
  .hero__visual{margin-top:0}
  .feature-grid{grid-template-columns:repeat(3,1fr);gap:26px}
  .fcard--lead{grid-column:span 2;grid-row:span 2}
  .fcard--lead .fcard__media{height:100%;aspect-ratio:auto;min-height:300px}
  .news-grid{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr}
  .assurance__grid{grid-template-columns:repeat(4,1fr)}
  :root{--sp-section:96px}
}
@media (max-width:1023px){
  :root{--sp-section:76px}
  .nav__cta{margin-left:auto}
  .assurance__grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  :root{--sp-section:58px}
  .container{padding:0 20px}
  .hero{padding:34px 0 60px}
  .hero__img{aspect-ratio:auto;height:240px}
  .hero__trust{gap:16px}
  .review-card{flex:0 0 260px;padding:20px}
  .cta-band{padding:32px 22px;border-radius:var(--r-md)}
  .footer-bottom{padding-bottom:88px}
  .site-footer{padding-top:56px}
}

/* roulang page: category1 */
:root{
  --c-bg:#FAF7F3;
  --c-surface:#FFFFFF;
  --c-ink:#14110F;
  --c-ink-2:#4A423D;
  --c-line:#E7DFD6;
  --c-primary:#FF5A2B;
  --c-primary-hover:#E04416;
  --c-secondary:#10403A;
  --c-accent:#FFC94D;
  --c-tint:#F3EFE9;
  --r-sm:10px;
  --r-md:18px;
  --r-lg:28px;
  --sh-1:0 1px 2px rgba(20,17,15,.04), 0 8px 24px -12px rgba(20,17,15,.12);
  --sh-2:0 18px 40px -18px rgba(20,17,15,.24);
  --container:1200px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Noto 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,opacity .2s ease;}
a:hover{color:var(--c-primary-hover);}
h1,h2,h3,h4,p,ul,ol,dl,dd,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font:inherit;cursor:pointer;}
input,button{outline:none;}
:focus-visible{outline:3px solid rgba(255,90,43,.4);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
@media (min-width:1440px){.container{max-width:1280px;}}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1;
  padding:15px 30px;min-height:46px;
  transition:background-color .22s ease,color .22s ease,border-color .22s ease,transform .18s ease,box-shadow .22s ease;
  white-space:nowrap;
}
.btn svg{transition:transform .22s ease;}
.btn:hover svg{transform:translateX(2px);}
.btn--primary{background:var(--c-primary);color:#fff;box-shadow:0 10px 24px -14px rgba(255,90,43,.9);}
.btn--primary:hover{background:var(--c-primary-hover);color:#fff;}
.btn--ghost{background:transparent;color:var(--c-secondary);border-color:rgba(16,64,58,.32);}
.btn--ghost:hover{background:var(--c-tint);color:var(--c-secondary);}
.btn--light{background:#F7F3EE;color:var(--c-secondary);}
.btn--light:hover{background:#fff;color:var(--c-secondary);}
.btn--sm{padding:12px 22px;font-size:14px;min-height:44px;}
.btn--block{width:100%;}
.btn:active{transform:translateY(1px);}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(250,247,243,.92);
  backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 12px 30px -22px rgba(20,17,15,.5);}
.nav{display:flex;align-items:center;gap:26px;height:76px;}
.nav__brand{display:flex;align-items:center;gap:10px;color:var(--c-ink);font-size:17px;font-weight:700;letter-spacing:.01em;}
.nav__brand:hover{color:var(--c-ink);}
.nav__mark{width:32px;height:32px;flex:0 0 32px;}
.nav__links{display:flex;align-items:center;gap:28px;margin:0 0 0 12px;}
.nav__link{
  position:relative;display:inline-flex;align-items:center;height:76px;
  font-size:15px;font-weight:500;color:var(--c-ink-2);
}
.nav__link::after{
  content:"";position:absolute;left:0;right:0;bottom:22px;height:2px;
  background:var(--c-primary);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .25s cubic-bezier(.22,.61,.36,1);
}
.nav__link:hover{color:var(--c-ink);}
.nav__link:hover::after{transform:scaleX(1);}
.nav__link.is-active{color:var(--c-ink);font-weight:600;}
.nav__link.is-active::after{transform:scaleX(1);}
.nav__cta{margin-left:auto;display:flex;align-items:center;gap:12px;}
.nav__burger{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);
  background:#fff;color:var(--c-ink);
}
.nav__burger:hover{background:var(--c-tint);}

/* 抽屉 */
.drawer{position:fixed;inset:0;z-index:90;pointer-events:none;}
.drawer__mask{position:absolute;inset:0;background:rgba(20,17,15,.45);opacity:0;transition:opacity .3s ease;}
.drawer__panel{
  position:absolute;top:0;right:0;bottom:0;width:min(86vw,340px);
  background:var(--c-surface);padding:26px 22px 30px;
  display:flex;flex-direction:column;gap:8px;
  transform:translateX(102%);transition:transform .34s cubic-bezier(.22,.61,.36,1);
  box-shadow:-20px 0 46px -26px rgba(20,17,15,.5);
}
.drawer.is-open{pointer-events:auto;}
.drawer.is-open .drawer__mask{opacity:1;}
.drawer.is-open .drawer__panel{transform:translateX(0);}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.drawer__close{width:40px;height:40px;border-radius:10px;border:1px solid var(--c-line);background:#fff;color:var(--c-ink);display:flex;align-items:center;justify-content:center;}
.drawer__link{
  display:block;padding:14px 4px;font-size:17px;font-weight:600;color:var(--c-ink);
  border-bottom:1px solid var(--c-line);
}
.drawer__link.is-active{color:var(--c-primary);}
.drawer__foot{margin-top:auto;padding-top:20px;}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;overflow:hidden;
  background-color:var(--c-secondary);
  background-image:linear-gradient(105deg,rgba(9,32,29,.94) 0%,rgba(9,32,29,.78) 46%,rgba(9,32,29,.52) 100%),
                   url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  color:#F7F3EE;
}
.cat-hero__inner{padding:66px 0 62px;max-width:760px;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(247,243,238,.66);margin-bottom:20px;}
.crumb a{color:rgba(247,243,238,.86);}
.crumb a:hover{color:#fff;}
.crumb span{color:rgba(247,243,238,.4);}
.crumb strong{font-weight:500;color:#fff;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:999px;
  background:rgba(255,201,77,.16);border:1px solid rgba(255,201,77,.42);
  color:var(--c-accent);font-size:13px;font-weight:600;letter-spacing:.04em;
  margin-bottom:22px;
}
.cat-hero h1{
  font-size:clamp(30px,4.2vw,50px);font-weight:800;line-height:1.18;letter-spacing:.01em;
  color:#fff;margin-bottom:18px;
}
.cat-hero__desc{font-size:17px;line-height:1.85;color:rgba(247,243,238,.84);max-width:640px;}
.cat-hero__tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 15px;border-radius:999px;font-size:13.5px;font-weight:500;
  background:rgba(247,243,238,.1);border:1px solid rgba(247,243,238,.24);color:#F7F3EE;
}

/* ============ 通用板块 ============ */
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--alt{background:var(--c-tint);}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head .kicker{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.16em;
  color:var(--c-primary);text-transform:uppercase;margin-bottom:12px;
}
.section-head h2{
  font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.3;color:var(--c-ink);margin-bottom:14px;
}
.section-head p{font-size:16.5px;color:var(--c-ink-2);}

/* ============ 速览数据条 ============ */
.stat-row{
  display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:34px 32px;box-shadow:var(--sh-1);
}
.stat{padding-right:24px;border-right:1px solid var(--c-line);}
.stat:last-child{border-right:0;padding-right:0;}
.stat__num{
  font-size:clamp(28px,3.4vw,40px);font-weight:800;line-height:1.1;color:var(--c-secondary);
  font-variant-numeric:tabular-nums;margin-bottom:8px;
}
.stat__num em{font-style:normal;font-size:.52em;font-weight:700;color:var(--c-primary);margin-left:4px;}
.stat__label{font-size:15px;font-weight:600;color:var(--c-ink);margin-bottom:6px;}
.stat__note{font-size:13.5px;color:var(--c-ink-2);line-height:1.7;}

/* ============ 图文交错 ============ */
.zig{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:56px 0;border-bottom:1px solid var(--c-line);}
.zig:first-of-type{padding-top:0;}
.zig:last-of-type{border-bottom:0;padding-bottom:0;}
.zig--rev .zig__media{order:2;}
.zig__media{position:relative;}
.zig__media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-md);border:1px solid var(--c-line);box-shadow:var(--sh-1);
}
.zig__badge{
  position:absolute;left:18px;top:18px;
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:999px;background:rgba(255,255,255,.94);
  font-size:13px;font-weight:700;color:var(--c-secondary);
  box-shadow:var(--sh-1);
}
.zig__index{
  font-size:13px;font-weight:700;letter-spacing:.18em;color:var(--c-primary);
  font-variant-numeric:tabular-nums;margin-bottom:12px;
}
.zig__body h3{font-size:clamp(21px,2.4vw,26px);font-weight:700;line-height:1.35;color:var(--c-ink);margin-bottom:14px;}
.zig__body p{font-size:16px;color:var(--c-ink-2);margin-bottom:18px;}
.dot-list{display:grid;gap:12px;}
.dot-list li{position:relative;padding-left:22px;font-size:15.5px;color:var(--c-ink-2);}
.dot-list li::before{
  content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:50%;
  background:var(--c-primary);
}
.dot-list li strong{color:var(--c-ink);font-weight:600;}

/* ============ 速查表 ============ */
.table-wrap{overflow-x:auto;background:var(--c-surface);border-radius:var(--r-lg);border:1px solid var(--c-line);box-shadow:var(--sh-1);}
.mini-table{width:100%;min-width:760px;border-collapse:collapse;}
.mini-table thead th{
  text-align:left;font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--c-ink-2);
  padding:20px 22px;border-top:2px solid var(--c-secondary);border-bottom:1px solid var(--c-line);
  background:var(--c-surface);
}
.mini-table tbody td{
  padding:20px 22px;font-size:15px;color:var(--c-ink-2);vertical-align:top;
  border-bottom:0;
}
.mini-table tbody tr:nth-child(odd){background:var(--c-tint);}
.mini-table tbody tr:last-child td{border-bottom:1px solid var(--c-line);}
.mini-table td:first-child{font-weight:600;color:var(--c-ink);}
.table-note{font-size:13.5px;color:var(--c-ink-2);margin-top:16px;}

/* ============ 准备清单 ============ */
.prep-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.prep-item{
  display:flex;gap:16px;padding:24px;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-md);box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.prep-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.prep-item__no{
  flex:0 0 42px;height:42px;border-radius:12px;background:var(--c-secondary);color:#F7F3EE;
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;font-variant-numeric:tabular-nums;
}
.prep-item h4{font-size:17px;font-weight:700;color:var(--c-ink);margin-bottom:6px;}
.prep-item p{font-size:14.5px;color:var(--c-ink-2);line-height:1.75;}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background-color:var(--c-secondary);
  background-image:linear-gradient(100deg,rgba(9,32,29,.95),rgba(9,32,29,.7)),
                   url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  padding:52px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  color:#F7F3EE;box-shadow:var(--sh-1);
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.35;color:#fff;margin-bottom:10px;}
.cta-band p{font-size:15.5px;color:rgba(247,243,238,.82);max-width:600px;}
.cta-band__actions{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto;}
.cta-band .btn--ghost{color:#F7F3EE;border-color:rgba(247,243,238,.42);}
.cta-band .btn--ghost:hover{background:rgba(247,243,238,.12);color:#fff;}

/* ============ 相关分类 ============ */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);}
.rel-card{
  display:flex;flex-direction:column;overflow:hidden;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-md);box-shadow:var(--sh-1);
  transition:transform .28s ease,box-shadow .28s ease;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.rel-card__media{position:relative;overflow:hidden;aspect-ratio:16/10;}
.rel-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .45s cubic-bezier(.22,.61,.36,1);}
.rel-card:hover .rel-card__media img{transform:scale(1.04);}
.rel-card__tag{
  position:absolute;left:14px;top:14px;padding:6px 12px;border-radius:999px;
  background:rgba(255,255,255,.94);color:var(--c-secondary);
  font-size:12.5px;font-weight:700;letter-spacing:.02em;
}
.rel-card__body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1;}
.rel-card__body h3{font-size:18px;font-weight:700;color:var(--c-ink);line-height:1.45;margin-bottom:10px;}
.rel-card__body p{font-size:14.5px;color:var(--c-ink-2);line-height:1.75;margin-bottom:18px;}
.rel-card__link{
  margin-top:auto;display:inline-flex;align-items:center;gap:6px;
  font-size:14.5px;font-weight:600;color:var(--c-primary);
  padding-top:16px;border-top:1px dashed var(--c-line);
}
.rel-card__link svg{transition:transform .22s ease;}
.rel-card:hover .rel-card__link svg{transform:translateX(3px);}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-secondary);color:rgba(247,243,238,.78);padding:70px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:16px;}
.footer-text{font-size:14px;line-height:1.85;color:rgba(247,243,238,.68);}
.footer-title{font-size:14px;font-weight:700;letter-spacing:.1em;color:#fff;margin-bottom:18px;}
.footer-list{display:grid;gap:12px;}
.footer-list a{font-size:14px;color:rgba(247,243,238,.72);}
.footer-list a:hover{color:#fff;padding-left:2px;}
.footer-form{display:grid;gap:12px;}
.footer-form input{
  height:48px;border-radius:var(--r-sm);border:1px solid rgba(247,243,238,.24);
  background:rgba(247,243,238,.08);color:#fff;padding:0 16px;font-size:14.5px;width:100%;
  transition:border-color .2s ease,background-color .2s ease;
}
.footer-form input::placeholder{color:rgba(247,243,238,.45);}
.footer-form input:focus{border-color:var(--c-primary);background:rgba(247,243,238,.12);}
.footer-bottom{
  margin-top:56px;padding:24px 0;border-top:1px solid rgba(247,243,238,.16);
  display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:space-between;
  font-size:13px;color:rgba(247,243,238,.58);
}
.footer-bottom a{color:rgba(247,243,238,.8);}
.footer-bottom a:hover{color:#fff;}

/* ============ 入场动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s cubic-bezier(.22,.61,.36,1),transform .4s cubic-bezier(.22,.61,.36,1);}
.reveal.is-visible{opacity:1;transform:none;}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .nav__links{display:none;}
  .nav__burger{display:inline-flex;}
  .section{padding:72px 0;}
  .section--tight{padding:56px 0;}
  .zig{grid-template-columns:1fr;gap:28px;padding:44px 0;}
  .zig--rev .zig__media{order:0;}
  .zig__media img{aspect-ratio:16/10;}
  .stat-row{grid-template-columns:1fr;gap:0;padding:10px 24px;}
  .stat{padding:22px 0;border-right:0;border-bottom:1px solid var(--c-line);}
  .stat:last-child{border-bottom:0;}
  .rel-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 32px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .nav{height:68px;gap:14px;}
  .nav__brand span{font-size:15.5px;}
  .nav__cta .btn--sm{padding:11px 16px;font-size:13.5px;}
  .section{padding:56px 0;}
  .section--tight{padding:48px 0;}
  .cat-hero__inner{padding:46px 0 44px;}
  .cat-hero__desc{font-size:15.5px;}
  .prep-grid{grid-template-columns:1fr;}
  .rel-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .cta-band{padding:34px 24px;border-radius:var(--r-md);}
  .cta-band__actions{width:100%;}
  .cta-band__actions .btn{flex:1 1 auto;}
}
@media (max-width:520px){
  .nav__cta .btn--sm span{display:none;}
  .cat-hero h1{font-size:29px;}
  .mini-table thead th,.mini-table tbody td{padding:16px 16px;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: article */
:root{
  --c-bg:#FAF7F3;
  --c-surface:#FFFFFF;
  --c-ink:#14110F;
  --c-ink-2:#4A423D;
  --c-line:#E7DFD6;
  --c-primary:#FF5A2B;
  --c-primary-hover:#E04416;
  --c-secondary:#10403A;
  --c-accent:#FFC94D;
  --c-tint:#F3EFE9;
  --c-soft:#F7F3EE;
  --r-sm:10px;
  --r-md:18px;
  --r-lg:28px;
  --sh-1:0 1px 2px rgba(20,17,15,.04), 0 8px 24px -12px rgba(20,17,15,.12);
  --sh-2:0 18px 40px -18px rgba(20,17,15,.24);
  --font:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Noto 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:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-primary)}
button,input{font-family:inherit}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}
svg{display:block}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1;
  padding:14px 28px;cursor:pointer;background:none;color:var(--c-ink);
  transition:background-color .22s ease,color .22s ease,border-color .22s ease,transform .22s ease,box-shadow .25s ease;
}
.btn svg{transition:transform .22s ease}
.btn:hover svg{transform:translateX(2px)}
.btn--primary{background:var(--c-primary);color:#fff}
.btn--primary:hover{background:var(--c-primary-hover);color:#fff}
.btn--ghost{border-color:rgba(16,64,58,.32);color:var(--c-secondary)}
.btn--ghost:hover{background:var(--c-tint);color:var(--c-secondary)}
.btn--light{background:var(--c-soft);color:var(--c-secondary)}
.btn--light:hover{background:#fff;color:var(--c-secondary)}
.btn--sm{padding:11px 20px;font-size:14.5px}
.btn--block{width:100%}
.btn:focus-visible{outline:3px solid rgba(255,90,43,.4);outline-offset:2px}
.btn:active{transform:translateY(1px)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(250,247,243,.93);
  -webkit-backdrop-filter:saturate(180%) blur(12px);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 10px 30px -22px rgba(20,17,15,.5)}
.nav{display:flex;align-items:center;gap:26px;height:76px}
.nav__brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;letter-spacing:.01em;white-space:nowrap}
.nav__mark{width:32px;height:32px;flex:0 0 32px}
.nav__links{display:flex;align-items:center;gap:26px;list-style:none;margin:0 0 0 auto;padding:0}
.nav__link{position:relative;font-size:15px;font-weight:500;color:var(--c-ink-2);padding:6px 0;white-space:nowrap}
.nav__link:hover{color:var(--c-ink)}
.nav__link.is-active{color:var(--c-ink);font-weight:600}
.nav__link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;
  border-radius:2px;background:var(--c-primary);
}
.nav__cta{display:flex;align-items:center;gap:12px}
.nav__burger{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-ink);
  cursor:pointer;transition:background-color .2s ease;
}
.nav__burger:hover{background:var(--c-tint)}
.nav__burger:focus-visible{outline:3px solid rgba(255,90,43,.4);outline-offset:2px}

/* ---------- 移动抽屉 ---------- */
.scrim{
  position:fixed;inset:0;background:rgba(20,17,15,.42);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:90;
}
.scrim.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);
  background:var(--c-surface);z-index:100;
  transform:translateX(102%);transition:transform .3s cubic-bezier(.22,.61,.36,1);
  display:flex;flex-direction:column;padding:22px 22px 26px;gap:20px;
  box-shadow:-20px 0 40px -24px rgba(20,17,15,.4);
}
.drawer.is-open{transform:translateX(0)}
.drawer__head{display:flex;align-items:center;justify-content:space-between}
.drawer__title{font-size:15px;font-weight:700}
.drawer__close{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--c-line);
  background:var(--c-soft);color:var(--c-ink);display:flex;align-items:center;
  justify-content:center;cursor:pointer;
}
.drawer__list{list-style:none;display:flex;flex-direction:column;gap:4px;flex:1}
.drawer__list a{
  display:block;font-size:17px;font-weight:600;padding:14px 6px;
  border-bottom:1px solid var(--c-line);color:var(--c-ink);
}
.drawer__list a:hover{color:var(--c-primary)}

/* ---------- 文章头部 ---------- */
.article-hero{
  position:relative;overflow:hidden;
  background:var(--c-secondary);color:var(--c-soft);
  padding:26px 0 60px;
}
.article-hero__bg{
  position:absolute;inset:0;
  background:url(/assets/images/backpic/back-2.webp) center/cover no-repeat;
  opacity:.2;
}
.article-hero__glow{
  position:absolute;right:-120px;top:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle at 30% 30%,rgba(255,90,43,.55),rgba(255,90,43,0) 68%);
}
.article-hero .container{position:relative;z-index:2}

.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(247,243,238,.72);flex-wrap:wrap}
.crumb a{color:rgba(247,243,238,.86)}
.crumb a:hover{color:#fff}
.crumb__sep{color:rgba(247,243,238,.45)}
.crumb__now{max-width:260px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#fff}

.article-hero__badge{
  display:inline-flex;align-items:center;gap:8px;
  margin:26px 0 16px;padding:7px 14px;border-radius:999px;
  background:rgba(255,201,77,.16);border:1px solid rgba(255,201,77,.42);
  color:var(--c-accent);font-size:13px;font-weight:600;letter-spacing:.02em;
}
.article-hero h1{
  font-size:clamp(28px,3.6vw,44px);
  line-height:1.22;font-weight:800;letter-spacing:.01em;
  max-width:900px;color:#fff;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  margin-top:22px;font-size:14px;color:rgba(247,243,238,.8);
}
.article-meta__item{display:inline-flex;align-items:center;gap:7px}
.article-meta__dot{width:4px;height:4px;border-radius:50%;background:rgba(247,243,238,.45)}
.article-meta strong{color:#fff;font-weight:600}

/* ---------- 文章主体布局 ---------- */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,760px) 260px;
  gap:64px;
  justify-content:center;
  align-items:start;
  max-width:1200px;
  margin:0 auto;
  padding:64px 24px 96px;
}
.article-layout.no-aside{grid-template-columns:minmax(0,760px)}

.card-block{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
}

/* ---------- 正文排版 ---------- */
.prose{font-size:17px;line-height:1.9;color:#241F1C}
.prose p{margin:0 0 22px}
.prose h2{
  position:relative;font-size:24px;font-weight:700;line-height:1.42;
  margin:48px 0 18px;padding-left:15px;color:var(--c-ink);
}
.prose h2::before{
  content:"";position:absolute;left:0;top:.3em;bottom:.3em;width:4px;
  border-radius:3px;background:var(--c-primary);
}
.prose h3{font-size:20px;font-weight:600;line-height:1.5;margin:34px 0 14px;color:var(--c-ink)}
.prose h4{font-size:17px;font-weight:700;margin:26px 0 10px}
.prose ul,.prose ol{margin:0 0 22px;padding-left:24px}
.prose li{margin:8px 0}
.prose ul li::marker{color:var(--c-primary)}
.prose ol li::marker{color:var(--c-primary);font-weight:600}
.prose a{
  color:var(--c-secondary);text-decoration:underline;
  text-decoration-thickness:1px;text-underline-offset:3px;
}
.prose a:hover{color:var(--c-primary)}
.prose blockquote{
  margin:26px 0;padding:20px 24px;background:var(--c-tint);
  border-left:4px solid var(--c-secondary);border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:#2E2824;
}
.prose blockquote p:last-child{margin-bottom:0}
.prose img{border-radius:14px;margin:26px auto}
.prose figure{margin:26px 0}
.prose figcaption{font-size:13px;color:var(--c-ink-2);text-align:center;margin-top:10px}
.prose hr{border:0;height:1px;background:var(--c-line);margin:40px 0}
.prose table{width:100%;border-collapse:collapse;font-size:15.5px;margin:24px 0}
.prose th,.prose td{border-bottom:1px solid var(--c-line);padding:12px 14px;text-align:left}
.prose th{background:var(--c-soft);font-weight:600}
.prose code{background:var(--c-tint);padding:2px 6px;border-radius:6px;font-size:.92em}
.prose :where(h2,h3):first-child{margin-top:0}

/* ---------- 空态 ---------- */
.empty-state{
  text-align:center;padding:56px 28px;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-md);box-shadow:var(--sh-1);
}
.empty-state svg{margin:0 auto 18px;color:var(--c-primary)}
.empty-state h2{font-size:22px;font-weight:700;margin-bottom:10px}
.empty-state p{color:var(--c-ink-2);font-size:15px;margin-bottom:24px}

/* ---------- 文末信息 ---------- */
.article-foot{margin-top:44px;padding-top:28px;border-top:1px solid var(--c-line)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.tag-row__label{font-size:13px;color:var(--c-ink-2);margin-right:4px}
.tag{
  display:inline-flex;align-items:center;
  padding:7px 14px;border-radius:999px;
  background:var(--c-tint);border:1px solid var(--c-line);
  font-size:13px;color:var(--c-ink-2);transition:all .2s ease;
}
.tag:hover{background:var(--c-primary);border-color:var(--c-primary);color:#fff}

.share-row{display:flex;align-items:center;gap:12px;margin-top:26px;flex-wrap:wrap}
.share-row__label{font-size:13px;color:var(--c-ink-2)}
.share-btn{
  width:40px;height:40px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-ink-2);
  cursor:pointer;transition:all .2s ease;
}
.share-btn:hover{background:var(--c-secondary);border-color:var(--c-secondary);color:#fff}
.share-btn:focus-visible{outline:3px solid rgba(255,90,43,.4);outline-offset:2px}

.author-card{
  display:flex;gap:18px;align-items:center;flex-wrap:wrap;
  margin-top:30px;padding:22px 24px;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-md);box-shadow:var(--sh-1);
}
.author-card__logo{
  width:52px;height:52px;border-radius:16px;flex:0 0 52px;
  background:var(--c-secondary);display:flex;align-items:center;justify-content:center;
}
.author-card__body{flex:1 1 240px;min-width:200px}
.author-card__name{font-size:15.5px;font-weight:700;display:flex;align-items:center;gap:8px}
.author-card__name span{
  font-size:11.5px;font-weight:600;color:var(--c-secondary);
  background:var(--c-accent);border-radius:999px;padding:3px 9px;
}
.author-card__desc{font-size:13.5px;color:var(--c-ink-2);margin-top:6px}

/* ---------- 侧栏 ---------- */
.aside-toc{position:sticky;top:104px;display:flex;flex-direction:column;gap:18px}
.toc-card{padding:22px;border-radius:var(--r-md);background:var(--c-surface);border:1px solid var(--c-line);box-shadow:var(--sh-1)}
.toc-card__title{font-size:14px;font-weight:700;display:flex;align-items:center;gap:8px;margin-bottom:14px}
.toc-card__title::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--c-primary)}
.toc-list{list-style:none;display:flex;flex-direction:column;gap:2px;max-height:320px;overflow:auto}
.toc-list a{
  display:block;font-size:14px;color:var(--c-ink-2);padding:8px 10px;
  border-radius:8px;line-height:1.5;transition:all .18s ease;
}
.toc-list a:hover{background:var(--c-tint);color:var(--c-ink)}
.toc-list a.is-current{background:var(--c-soft);color:var(--c-secondary);font-weight:600}

/* ---------- 相关推荐 ---------- */
.related{padding:0 0 96px}
.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:clamp(22px,2.4vw,30px);font-weight:700;line-height:1.3}
.section-head p{font-size:14.5px;color:var(--c-ink-2);margin-top:8px;max-width:560px}
.section-head .link-more{font-size:14.5px;font-weight:600;color:var(--c-secondary);border-bottom:1px solid rgba(16,64,58,.3);padding-bottom:2px}
.section-head .link-more:hover{color:var(--c-primary);border-color:var(--c-primary)}

.related-grid{margin-top:4px}
.rel-card{
  display:flex;gap:16px;align-items:center;height:100%;
  padding:14px;border-radius:var(--r-md);
  background:var(--c-surface);border:1px solid var(--c-line);box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#DCD2C6}
.rel-card__thumb{
  width:96px;height:76px;flex:0 0 96px;border-radius:var(--r-sm);
  overflow:hidden;background:var(--c-tint);
}
.rel-card__thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.rel-card:hover .rel-card__thumb img{transform:scale(1.05)}
.rel-card__body{min-width:0}
.rel-card__cat{font-size:12px;font-weight:600;color:var(--c-primary);letter-spacing:.02em}
.rel-card__title{
  font-size:15.5px;font-weight:600;line-height:1.5;margin:6px 0 6px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-card__date{font-size:12.5px;color:var(--c-ink-2);font-variant-numeric:tabular-nums}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:var(--c-secondary);color:var(--c-soft);
  border-radius:var(--r-lg);padding:44px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle at 40% 40%,rgba(255,90,43,.4),rgba(255,90,43,0) 70%);
}
.cta-band__text{position:relative;z-index:2;max-width:620px}
.cta-band h2{font-size:clamp(22px,2.4vw,28px);font-weight:700;color:#fff;line-height:1.35}
.cta-band p{font-size:14.5px;color:rgba(247,243,238,.78);margin-top:10px}
.cta-band__actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap}
.cta-wrap{padding:0 0 96px}

/* ---------- 页脚 ---------- */
.site-footer{background:#0D2E2A;color:rgba(247,243,238,.72);padding:64px 0 26px;margin-top:8px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:800;color:#fff;margin-bottom:16px}
.footer-title{font-size:13px;font-weight:700;letter-spacing:.08em;color:#fff;text-transform:uppercase;margin-bottom:16px}
.footer-text{font-size:14px;line-height:1.8;color:rgba(247,243,238,.66)}
.footer-list{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-list a{font-size:14px;color:rgba(247,243,238,.72)}
.footer-list a:hover{color:#fff;transform:translateX(2px);display:inline-block}
.footer-form{display:flex;flex-direction:column;gap:12px}
.footer-form input{
  height:48px;border-radius:12px;border:1px solid rgba(247,243,238,.2);
  background:rgba(247,243,238,.08);color:#fff;padding:0 16px;font-size:14.5px;
  transition:border-color .2s ease,background-color .2s ease;
}
.footer-form input::placeholder{color:rgba(247,243,238,.45)}
.footer-form input:focus{outline:none;border-color:var(--c-primary);background:rgba(247,243,238,.12)}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(247,243,238,.14);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(247,243,238,.56);
}
.footer-bottom a{color:rgba(247,243,238,.8);text-decoration:underline;text-underline-offset:3px}
.footer-bottom a:hover{color:var(--c-accent)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,760px);gap:40px}
  .aside-toc{position:static;display:none}
}
@media (max-width:1023px){
  .nav__links{display:none}
  .nav__cta .btn span{display:none}
  .nav__burger{display:inline-flex}
  .nav__cta{margin-left:auto}
  .nav{gap:14px}
  .article-hero{padding:20px 0 46px}
  .article-layout{padding:48px 24px 76px}
  .related{padding-bottom:76px}
  .cta-wrap{padding-bottom:76px}
  .cta-band{padding:34px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .grid-x>.cell{flex-basis:100%}
}
@media (max-width:767px){
  .container{padding:0 20px}
  body{font-size:15.5px}
  .nav{height:68px}
  .nav__brand{font-size:15.5px;gap:8px}
  .nav__mark{width:28px;height:28px;flex:0 0 28px}
  .article-hero h1{font-size:26px}
  .article-meta{font-size:13px;gap:8px 14px}
  .article-layout{padding:36px 20px 60px;gap:32px}
  .prose{font-size:16.5px;line-height:1.85}
  .prose h2{font-size:21px;margin:38px 0 16px}
  .prose h3{font-size:18.5px;margin:28px 0 12px}
  .section-head{margin-bottom:22px}
  .rel-card__thumb{width:84px;height:68px;flex-basis:84px}
  .cta-band{padding:28px 22px;border-radius:var(--r-md)}
  .cta-band__actions{width:100%}
  .cta-band__actions .btn{flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;gap:10px}
  .crumb__now{max-width:180px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: category2 */
/* ============ 设计变量 ============ */
:root{
  --c-bg:#FAF7F3;
  --c-surface:#FFFFFF;
  --c-ink:#14110F;
  --c-ink-2:#4A423D;
  --c-ink-3:#8A7F77;
  --c-line:#E7DFD6;
  --c-primary:#FF5A2B;
  --c-primary-hover:#E04416;
  --c-secondary:#10403A;
  --c-secondary-2:#0B2F2A;
  --c-accent:#FFC94D;
  --c-tint:#F3EFE9;
  --c-on-dark:#F7F3EE;
  --r-sm:10px;
  --r-md:18px;
  --r-lg:28px;
  --sh-1:0 1px 2px rgba(20,17,15,.04), 0 8px 24px -12px rgba(20,17,15,.12);
  --sh-2:0 18px 40px -18px rgba(20,17,15,.24);
  --sp-section:96px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button,input{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(255,90,43,.45);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(255,90,43,.2);}

/* 覆盖 Foundation 默认观感 */
body,.button,button,input,select,textarea{
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
}
a{color:inherit;}
a:hover{color:var(--c-primary);}
.button,.button:focus{background:var(--c-primary);border-radius:999px;}
.callout{border:none;background:transparent;}

/* ============ 容器与栅格 ============ */
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.section{padding:var(--sp-section) 0;}
.section--tint{background:var(--c-tint);}
.section--tight{padding:72px 0;}

.section-head{max-width:760px;margin-bottom:44px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.14em;
  color:var(--c-primary);
  text-transform:uppercase;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:22px;height:2px;border-radius:2px;background:var(--c-primary);
}
h1{
  font-size:clamp(30px,4.2vw,52px);
  font-weight:800;
  line-height:1.18;
  letter-spacing:.01em;
}
h2{
  font-size:clamp(24px,2.6vw,34px);
  font-weight:700;
  line-height:1.3;
  letter-spacing:.01em;
}
h3{font-size:20px;font-weight:600;line-height:1.45;}
.section-sub{
  color:var(--c-ink-2);
  font-size:16.5px;
  margin-top:14px;
  max-width:700px;
}
.meta-line{
  font-size:13.5px;
  color:var(--c-ink-3);
  font-variant-numeric:tabular-nums;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 30px;
  border-radius:999px;
  font-size:15.5px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:background-color .22s var(--ease),color .22s var(--ease),transform .18s var(--ease),box-shadow .25s var(--ease),border-color .22s var(--ease);
  white-space:nowrap;
}
.btn:active{transform:translateY(1px);}
.btn svg{transition:transform .22s var(--ease);}
.btn:hover svg{transform:translateX(2px);}
.btn--primary{background:var(--c-primary);color:#fff;}
.btn--primary:hover{background:var(--c-primary-hover);color:#fff;box-shadow:0 14px 28px -14px rgba(224,68,22,.6);}
.btn--ghost{background:transparent;color:var(--c-secondary);border-color:var(--c-secondary);}
.btn--ghost:hover{background:var(--c-tint);color:var(--c-secondary);}
.btn--light{background:#fff;color:var(--c-secondary);}
.btn--light:hover{background:var(--c-accent);color:var(--c-secondary);}
.btn--sm{padding:11px 22px;font-size:14.5px;}
.btn--block{width:100%;}
.btn--text{
  padding:0;border:none;background:none;color:var(--c-ink);
  text-decoration:underline;text-underline-offset:5px;text-decoration-thickness:1px;
  font-weight:600;
}
.btn--text:hover{color:var(--c-primary);}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(250,247,243,.92);
  backdrop-filter:saturate(150%) blur(10px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .3s var(--ease),background-color .3s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(250,247,243,.98);
  box-shadow:0 10px 30px -22px rgba(20,17,15,.45);
}
.nav{
  display:flex;
  align-items:center;
  gap:28px;
  min-height:76px;
}
.nav__brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  font-size:16.5px;
  letter-spacing:.01em;
  color:var(--c-ink);
  flex-shrink:0;
}
.nav__brand:hover{color:var(--c-ink);}
.nav__mark{width:32px;height:32px;flex-shrink:0;}
.nav__links{
  display:flex;
  align-items:center;
  gap:26px;
  margin-left:12px;
}
.nav__link{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--c-ink-2);
  padding:6px 0;
  transition:color .2s var(--ease);
}
.nav__link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  border-radius:2px;
  background:var(--c-primary);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .26s var(--ease);
}
.nav__link:hover{color:var(--c-ink);}
.nav__link:hover::after{transform:scaleX(1);}
.nav__link.is-active{color:var(--c-ink);font-weight:600;}
.nav__link.is-active::after{transform:scaleX(1);}
.nav__cta{margin-left:auto;display:flex;align-items:center;gap:12px;}
.nav__burger{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--c-line);
  background:#fff;
  color:var(--c-ink);
  align-items:center;justify-content:center;
  cursor:pointer;
  transition:background-color .2s var(--ease),border-color .2s var(--ease);
}
.nav__burger:hover{background:var(--c-tint);border-color:var(--c-primary);}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(20,17,15,.45);
  opacity:0;visibility:hidden;
  transition:opacity .3s var(--ease),visibility .3s var(--ease);
  z-index:80;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;
  top:0;right:0;
  width:min(88vw,340px);
  height:100%;
  background:var(--c-bg);
  z-index:90;
  transform:translateX(102%);
  transition:transform .34s var(--ease);
  display:flex;
  flex-direction:column;
  padding:22px 22px 26px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px;}
.drawer__close{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--c-line);background:#fff;
  display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--c-ink);
}
.drawer__links{display:flex;flex-direction:column;gap:6px;margin-bottom:auto;}
.drawer__links a{
  font-size:18px;
  font-weight:600;
  padding:14px 4px;
  border-bottom:1px solid var(--c-line);
  color:var(--c-ink);
}
.drawer__links a.is-active{color:var(--c-primary);}
.drawer__foot{padding-top:22px;}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;
  color:var(--c-on-dark);
  background-color:var(--c-secondary);
  background-image:linear-gradient(105deg,rgba(11,47,42,.94) 0%,rgba(16,64,58,.82) 48%,rgba(16,64,58,.55) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  padding:66px 0 62px;
  overflow:hidden;
}
.cat-hero::after{
  content:"";
  position:absolute;
  right:-90px;bottom:-120px;
  width:340px;height:340px;
  border-radius:50%;
  background:radial-gradient(circle at 30% 30%,rgba(255,201,77,.28),transparent 62%);
  pointer-events:none;
}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(247,243,238,.72);
  margin-bottom:22px;
}
.breadcrumb a{color:rgba(247,243,238,.72);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb span.sep{color:rgba(247,243,238,.42);}
.breadcrumb .now{color:var(--c-accent);}
.cat-hero__badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(255,201,77,.16);
  border:1px solid rgba(255,201,77,.42);
  color:var(--c-accent);
  font-size:13px;
  font-weight:600;
  padding:6px 14px;
  border-radius:999px;
  margin-bottom:18px;
}
.cat-hero h1{max-width:820px;color:#fff;}
.cat-hero__sub{
  max-width:660px;
  margin-top:16px;
  font-size:16.5px;
  color:rgba(247,243,238,.84);
}
.cat-hero__stats{
  display:flex;
  flex-wrap:wrap;
  gap:34px;
  margin-top:34px;
  padding-top:26px;
  border-top:1px solid rgba(247,243,238,.18);
}
.stat__num{
  font-size:26px;
  font-weight:800;
  color:var(--c-accent);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.stat__label{font-size:13.5px;color:rgba(247,243,238,.72);margin-top:2px;}

/* ============ 编号步骤流 ============ */
.steps{
  position:relative;
  display:flex;
  flex-direction:column;
  gap:0;
  margin-top:8px;
}
.steps::before{
  content:"";
  position:absolute;
  left:47px;
  top:24px;
  bottom:34px;
  width:1px;
  background:linear-gradient(180deg,var(--c-line) 0%,var(--c-line) 78%,transparent 100%);
}
.step{
  position:relative;
  display:grid;
  grid-template-columns:96px 1fr;
  gap:32px;
  padding:0 0 46px;
}
.step:last-child{padding-bottom:0;}
.step__num{
  position:relative;
  font-size:52px;
  font-weight:800;
  line-height:1;
  color:transparent;
  -webkit-text-stroke:1.4px rgba(255,90,43,.55);
  letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;
  padding-top:4px;
}
.step__dot{
  position:absolute;
  left:41px;
  top:16px;
  width:13px;height:13px;
  border-radius:50%;
  background:var(--c-bg);
  border:3px solid var(--c-primary);
}
.step__body h3{margin-bottom:10px;}
.step__body p{color:var(--c-ink-2);}
.tick-list{margin-top:14px;display:flex;flex-direction:column;gap:8px;}
.tick-list li{
  position:relative;
  padding-left:24px;
  font-size:15px;
  color:var(--c-ink-2);
}
.tick-list li::before{
  content:"";
  position:absolute;
  left:2px;top:10px;
  width:9px;height:9px;
  border-radius:2px;
  background:var(--c-accent);
}

/* ============ 功能卡片网格（2 列） ============ */
.feature-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
  margin-top:8px;
}
.card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
  display:flex;
  flex-direction:column;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#DED4C9;}
.card__media{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--c-tint);
}
.card__media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s var(--ease);
}
.card:hover .card__media img{transform:scale(1.03);}
.card__tag{
  position:absolute;
  left:14px;top:14px;
  background:rgba(255,255,255,.94);
  color:var(--c-secondary);
  font-size:12.5px;
  font-weight:600;
  padding:4px 12px;
  border-radius:999px;
}
.card__body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
.card__body h3{margin-bottom:9px;}
.card__body p{color:var(--c-ink-2);font-size:15px;}
.card__foot{
  margin-top:auto;
  padding-top:16px;
  margin-top:18px;
  border-top:1px dashed var(--c-line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13.5px;
  color:var(--c-ink-3);
}
.card__link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-weight:600;
  color:var(--c-primary);
  font-size:14px;
}
.card__link svg{transition:transform .2s var(--ease);}
.card__link:hover{color:var(--c-primary-hover);}
.card__link:hover svg{transform:translateX(3px);}

/* ============ 深色 CTA 带 ============ */
.cta-band{
  background:var(--c-secondary);
  color:var(--c-on-dark);
  border-radius:var(--r-lg);
  padding:42px 44px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.3vw,28px);}
.cta-band p{color:rgba(247,243,238,.78);margin-top:8px;max-width:520px;font-size:15.5px;}
.cta-band__actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ============ FAQ ============ */
.faq{border-top:1px solid var(--c-line);margin-top:8px;}
.faq__item{border-bottom:1px solid var(--c-line);}
.faq__q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:64px;
  padding:16px 0;
  background:none;
  border:none;
  text-align:left;
  font-size:17px;
  font-weight:600;
  color:var(--c-ink);
  cursor:pointer;
}
.faq__q:hover{color:var(--c-primary);}
.faq__icon{
  flex-shrink:0;
  width:26px;height:26px;
  display:flex;align-items:center;justify-content:center;
  color:var(--c-primary);
  transition:transform .3s var(--ease);
}
.faq__item.is-open .faq__icon{transform:rotate(90deg);}
.faq__a{
  height:0;
  overflow:hidden;
  transition:height .34s var(--ease);
}
.faq__a-inner{
  padding:0 0 22px;
  color:var(--c-ink-2);
  font-size:15.5px;
  max-width:760px;
}

/* ============ 相关分类卡 ============ */
.rel-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
  margin-top:8px;
}
.rel-card{
  display:flex;
  flex-direction:column;
  gap:12px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  padding:26px 24px;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#DED4C9;}
.rel-card__label{
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.1em;
  color:var(--c-ink-3);
  text-transform:uppercase;
}
.rel-card h3{font-size:18.5px;}
.rel-card p{font-size:14.5px;color:var(--c-ink-2);}
.rel-card .card__link{margin-top:auto;}
.rel-card.is-current{
  background:var(--c-secondary);
  border-color:var(--c-secondary);
  color:var(--c-on-dark);
}
.rel-card.is-current h3{color:#fff;}
.rel-card.is-current p{color:rgba(247,243,238,.78);}
.rel-card.is-current .rel-card__label{color:var(--c-accent);}
.rel-card.is-current .card__link{color:var(--c-accent);}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-secondary-2);
  color:rgba(247,243,238,.82);
  padding:66px 0 26px;
  margin-top:var(--sp-section);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  font-size:16.5px;
  color:#fff;
  margin-bottom:16px;
}
.footer-text{font-size:14px;color:rgba(247,243,238,.72);line-height:1.8;}
.footer-title{
  font-size:13.5px;
  font-weight:700;
  letter-spacing:.12em;
  color:#fff;
  margin-bottom:16px;
}
.footer-list{display:flex;flex-direction:column;gap:11px;}
.footer-list a{
  font-size:14px;
  color:rgba(247,243,238,.72);
  transition:color .2s var(--ease),transform .2s var(--ease);
  display:inline-block;
}
.footer-list a:hover{color:#fff;transform:translateX(2px);}
.footer-form{display:flex;flex-direction:column;gap:12px;}
.footer-form input{
  height:48px;
  padding:0 16px;
  border-radius:var(--r-sm);
  border:1px solid rgba(247,243,238,.24);
  background:rgba(247,243,238,.08);
  color:#fff;
  transition:border-color .2s var(--ease),background-color .2s var(--ease);
}
.footer-form input::placeholder{color:rgba(247,243,238,.45);}
.footer-form input:focus{
  outline:none;
  border-color:var(--c-primary);
  background:rgba(247,243,238,.12);
}
.footer-bottom{
  margin-top:46px;
  padding-top:22px;
  border-top:1px solid rgba(247,243,238,.14);
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(247,243,238,.58);
}
.footer-bottom a{color:rgba(247,243,238,.78);text-decoration:underline;text-underline-offset:4px;}
.footer-bottom a:hover{color:#fff;}

/* ============ 入场动效 ============ */
.reveal{
  opacity:0;
  transform:translateY(12px);
  transition:opacity .45s var(--ease),transform .45s var(--ease);
}
.reveal.is-in{opacity:1;transform:none;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  :root{--sp-section:88px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;row-gap:34px;}
}
@media (max-width:1023px){
  :root{--sp-section:72px;}
  .nav__links{display:none;}
  .nav__burger{display:flex;}
  .nav__cta .btn{padding:10px 18px;font-size:14px;}
  .feature-grid{grid-template-columns:1fr;}
  .rel-grid{grid-template-columns:1fr 1fr;}
  .cta-band{padding:34px 30px;}
  .steps::before{left:39px;}
  .step{grid-template-columns:80px 1fr;gap:24px;}
  .step__num{font-size:44px;}
  .step__dot{left:33px;top:13px;}
}
@media (max-width:767px){
  :root{--sp-section:60px;}
  .container{padding:0 20px;}
  .nav{min-height:68px;gap:14px;}
  .nav__brand span{font-size:15px;}
  .cat-hero{padding:48px 0 50px;}
  .cat-hero__stats{gap:24px;}
  .stat__num{font-size:22px;}
  .steps::before{display:none;}
  .step{grid-template-columns:1fr;gap:10px;padding-bottom:36px;}
  .step__num{font-size:38px;-webkit-text-stroke-width:1.2px;}
  .step__dot{display:none;}
  .rel-grid{grid-template-columns:1fr;}
  .cta-band{border-radius:var(--r-md);padding:28px 22px;flex-direction:column;align-items:flex-start;}
  .cta-band__actions{width:100%;}
  .cta-band__actions .btn{flex:1;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;gap:10px;}
  .faq__q{font-size:16px;}
}
@media (max-width:520px){
  .nav__cta .btn svg{display:none;}
  .feature-grid{gap:18px;}
  .section-head{margin-bottom:32px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category3 */
:root{
  --c-bg:#FAF7F3;
  --c-surface:#FFFFFF;
  --c-ink:#14110F;
  --c-ink-2:#4A423D;
  --c-line:#E7DFD6;
  --c-primary:#FF5A2B;
  --c-primary-hover:#E04416;
  --c-secondary:#10403A;
  --c-accent:#FFC94D;
  --c-tint:#F3EFE9;
  --r-sm:10px;
  --r-md:18px;
  --r-lg:28px;
  --sh-1:0 1px 2px rgba(20,17,15,.04), 0 8px 24px -12px rgba(20,17,15,.12);
  --sh-2:0 18px 40px -18px rgba(20,17,15,.24);
  --sect:96px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Noto 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;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
svg{display:block;}

a:focus-visible,button:focus-visible,input:focus-visible,.accordion-title:focus-visible{
  outline:3px solid rgba(255,90,43,.42);
  outline-offset:3px;
  border-radius:6px;
}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1440px){ .container{max-width:1280px;} }

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:999px;
  font-weight:600;
  font-size:15px;
  line-height:1;
  padding:14px 30px;
  border:1px solid transparent;
  cursor:pointer;
  transition:background .22s ease,color .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease;
  min-height:44px;
}
.btn svg{transition:transform .22s ease;}
.btn:hover svg{transform:translateX(2px);}
.btn:active{transform:translateY(1px);}
.btn--primary{background:var(--c-primary);color:#fff;box-shadow:0 10px 22px -14px rgba(255,90,43,.9);}
.btn--primary:hover{background:var(--c-primary-hover);color:#fff;box-shadow:0 16px 30px -16px rgba(224,68,22,.95);}
.btn--ghost{background:transparent;color:var(--c-secondary);border-color:var(--c-secondary);}
.btn--ghost:hover{background:var(--c-tint);color:var(--c-secondary);}
.btn--light{background:#F7F3EE;color:var(--c-secondary);}
.btn--light:hover{background:#fff;color:var(--c-secondary);}
.btn--sm{padding:11px 22px;font-size:14px;min-height:44px;}
.btn--block{width:100%;}
.btn--text{background:transparent;border:0;padding:6px 0;color:var(--c-ink);font-weight:600;text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;}
.btn--text:hover{color:var(--c-primary);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(250,247,243,.88);
  backdrop-filter:saturate(160%) blur(14px);
  -webkit-backdrop-filter:saturate(160%) blur(14px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .3s ease,background .3s ease;
}
.site-header.is-scrolled{background:rgba(250,247,243,.97);box-shadow:0 12px 32px -22px rgba(20,17,15,.4);}

.nav{display:flex;align-items:center;gap:18px;height:76px;}
.nav__brand{display:flex;align-items:center;gap:10px;font-size:16.5px;font-weight:800;letter-spacing:.01em;color:var(--c-ink);white-space:nowrap;}
.nav__mark{width:32px;height:32px;flex:none;}
.nav__links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav__link{
  position:relative;
  display:inline-block;
  padding:9px 11px;
  font-size:14.5px;
  font-weight:500;
  color:var(--c-ink-2);
  border-radius:8px;
  white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav__link:hover{color:var(--c-ink);background:var(--c-tint);}
.nav__link.is-active{color:var(--c-ink);font-weight:600;}
.nav__link.is-active::after{
  content:"";
  position:absolute;
  left:11px;right:11px;bottom:1px;
  height:2px;border-radius:2px;
  background:var(--c-primary);
}
.nav__cta{margin-left:8px;}
.nav__burger{
  display:none;
  align-items:center;
  justify-content:center;
  width:44px;height:44px;
  margin-left:6px;
  border:1px solid var(--c-line);
  border-radius:12px;
  background:var(--c-surface);
  color:var(--c-ink);
  cursor:pointer;
  transition:background .2s ease,border-color .2s ease;
}
.nav__burger:hover{background:var(--c-tint);border-color:var(--c-ink-2);}

@media (max-width:1023px){
  .nav{height:70px;gap:10px;}
  .nav__links{display:none;}
  .nav__burger{display:inline-flex;}
  .nav__brand{font-size:15.5px;}
}
@media (max-width:520px){
  .nav__brand span{max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
  .nav__cta .btn{padding:10px 16px;font-size:13.5px;}
}

/* ---------- 抽屉 ---------- */
.drawer{
  position:fixed;
  top:0;right:0;bottom:0;
  width:min(360px,86vw);
  background:var(--c-surface);
  z-index:90;
  transform:translateX(105%);
  transition:transform .38s cubic-bezier(.22,.61,.36,1);
  display:flex;
  flex-direction:column;
  gap:20px;
  padding:22px 22px 28px;
  overflow-y:auto;
  box-shadow:-20px 0 60px -30px rgba(20,17,15,.5);
}
.drawer.is-open{transform:translateX(0);}
.drawer__head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--c-line);}
.drawer__title{font-size:15px;font-weight:800;}
.drawer__close{width:40px;height:40px;border:1px solid var(--c-line);border-radius:10px;background:var(--c-tint);color:var(--c-ink);cursor:pointer;display:flex;align-items:center;justify-content:center;}
.drawer__list{display:flex;flex-direction:column;gap:2px;}
.drawer__link{display:block;padding:15px 4px;font-size:17px;font-weight:600;color:var(--c-ink);border-bottom:1px solid var(--c-line);}
.drawer__link.is-active{color:var(--c-primary);}
.drawer__foot{margin-top:auto;padding-top:18px;}
.drawer-mask{position:fixed;inset:0;background:rgba(20,17,15,.45);opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;z-index:80;}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ---------- 分类横幅 ---------- */
.cat-hero{
  position:relative;
  background:var(--c-secondary);
  color:#F7F3EE;
  overflow:hidden;
  padding:56px 0 64px;
  min-height:280px;
  display:flex;
  align-items:center;
}
.cat-hero__bg{
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-3.png);
  background-size:cover;
  background-position:center;
  opacity:.2;
}
.cat-hero__bg::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(16,64,58,.35) 0%,rgba(16,64,58,.86) 100%);
}
.cat-hero .container{position:relative;z-index:2;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(247,243,238,.68);
  margin-bottom:20px;
}
.breadcrumb a{color:rgba(247,243,238,.86);transition:color .2s ease;}
.breadcrumb a:hover{color:#fff;}
.breadcrumb .sep{color:rgba(247,243,238,.42);}
.cat-hero h1{
  font-size:clamp(30px,4.2vw,52px);
  font-weight:800;
  line-height:1.18;
  letter-spacing:.01em;
  max-width:840px;
  margin:0 0 18px;
}
.cat-hero__sub{
  max-width:660px;
  font-size:16.5px;
  line-height:1.85;
  color:rgba(247,243,238,.82);
}
.cat-hero__tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 15px;
  border-radius:999px;
  font-size:13.5px;font-weight:500;
  background:rgba(247,243,238,.12);
  border:1px solid rgba(247,243,238,.24);
  color:#F7F3EE;
}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sect) 0;}
.section--tight{padding:72px 0;}
.section--tint{background:var(--c-tint);}
.section__head{max-width:720px;margin-bottom:48px;}
.section__eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--c-primary);
  text-transform:uppercase;
  margin-bottom:14px;
}
.section__eyebrow::before{content:"";width:22px;height:2px;background:var(--c-primary);border-radius:2px;}
.section__title{font-size:clamp(24px,2.6vw,34px);font-weight:700;line-height:1.28;letter-spacing:.01em;}
.section__desc{margin-top:14px;font-size:16px;color:var(--c-ink-2);line-height:1.88;}

/* ---------- 对照卡 ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.compare__card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  padding:30px 30px 32px;
  box-shadow:var(--sh-1);
  position:relative;
  transition:transform .3s cubic-bezier(.22,.61,.36,1),box-shadow .3s ease;
}
.compare__card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.compare__card--warn{background:#FBF6F0;}
.compare__card--ok{border-color:rgba(255,90,43,.4);}
.compare__card--ok::before{
  content:"";
  position:absolute;top:-1px;left:26px;right:26px;height:3px;
  background:var(--c-primary);border-radius:0 0 4px 4px;
}
.compare__label{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;
  padding:7px 13px;border-radius:999px;
  margin-bottom:20px;
}
.compare__label--warn{background:rgba(74,66,61,.09);color:var(--c-ink-2);}
.compare__label--ok{background:rgba(255,90,43,.12);color:var(--c-primary-hover);}
.compare__card h3{font-size:20px;font-weight:700;margin-bottom:8px;}
.compare__lead{font-size:14.5px;color:var(--c-ink-2);margin-bottom:20px;line-height:1.8;}
.compare__list li{
  position:relative;
  padding:13px 0 13px 30px;
  font-size:15.5px;
  line-height:1.8;
  color:var(--c-ink-2);
  border-top:1px solid var(--c-line);
}
.compare__list li:first-child{border-top:0;}
.compare__list li::before{
  content:"";
  position:absolute;left:2px;top:21px;
  width:14px;height:2px;border-radius:2px;
  background:var(--c-ink-2);opacity:.5;
}
.compare__list--ok li::before{
  width:9px;height:9px;top:21px;left:1px;
  border-radius:50%;
  background:var(--c-primary);opacity:1;
}

/* ---------- 清单 ---------- */
.check-layout{display:grid;grid-template-columns:0.9fr 1.1fr;gap:48px;align-items:flex-start;}
.check-visual{
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-1);
  border:1px solid var(--c-line);
  background:var(--c-surface);
}
.check-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.check-visual__body{padding:22px 24px 24px;}
.check-visual__body h3{font-size:18px;font-weight:700;margin-bottom:8px;}
.check-visual__body p{font-size:14.5px;color:var(--c-ink-2);line-height:1.8;}
.check-list{display:grid;grid-template-columns:1fr 1fr;gap:0 26px;}
.check-item{
  display:flex;gap:12px;
  padding:16px 0;
  border-bottom:1px solid var(--c-line);
  font-size:15px;
  line-height:1.75;
  color:var(--c-ink-2);
}
.check-item__icon{
  flex:none;
  width:22px;height:22px;
  margin-top:3px;
  border-radius:50%;
  background:rgba(255,90,43,.12);
  display:flex;align-items:center;justify-content:center;
  color:var(--c-primary);
}
.check-item strong{display:block;color:var(--c-ink);font-weight:600;font-size:15.5px;margin-bottom:2px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;}
.faq .accordion{background:transparent;margin:0;border:0;}
.faq .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--c-line);margin:0;}
.faq .accordion-title{
  border:0;
  background:transparent;
  padding:24px 52px 24px 2px;
  font-size:17px;
  font-weight:600;
  color:var(--c-ink);
  line-height:1.6;
  position:relative;
  transition:color .2s ease;
  min-height:60px;
}
.faq .accordion-title:hover,.faq .accordion-title:focus{background:transparent;color:var(--c-primary);}
.faq .accordion-title::before{
  content:"";
  position:absolute;
  right:14px;top:50%;
  width:12px;height:2px;
  margin-top:-1px;
  background:var(--c-primary);
  border-radius:2px;
  transition:transform .3s cubic-bezier(.22,.61,.36,1);
}
.faq .accordion-title::after{
  content:"";
  position:absolute;
  right:19px;top:50%;
  width:2px;height:12px;
  margin-top:-6px;
  background:var(--c-primary);
  border-radius:2px;
  transition:transform .3s cubic-bezier(.22,.61,.36,1),opacity .25s ease;
}
.faq .accordion-item.is-active .accordion-title::after{transform:rotate(90deg);opacity:0;}
.faq .accordion-item.is-active .accordion-title{color:var(--c-primary);}
.faq .accordion-content{
  border:0;
  background:transparent;
  padding:0 52px 26px 2px;
  font-size:15.5px;
  line-height:1.9;
  color:var(--c-ink-2);
}
.faq .accordion-content p+p{margin-top:12px;}

/* ---------- 全宽 CTA ---------- */
.cta-band{
  background:var(--c-secondary);
  color:#F7F3EE;
  border-radius:var(--r-lg);
  padding:52px 56px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-70px;top:-70px;
  width:260px;height:260px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,201,77,.28) 0%,rgba(255,201,77,0) 70%);
}
.cta-band__text{position:relative;z-index:2;max-width:620px;}
.cta-band h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;line-height:1.3;margin-bottom:12px;}
.cta-band p{font-size:15.5px;color:rgba(247,243,238,.8);line-height:1.85;}
.cta-band__actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 相关分类 ---------- */
.related{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.related__card{
  display:flex;flex-direction:column;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .3s cubic-bezier(.22,.61,.36,1),box-shadow .3s ease,border-color .3s ease;
}
.related__card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,90,43,.35);}
.related__thumb{position:relative;overflow:hidden;}
.related__thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s cubic-bezier(.22,.61,.36,1);}
.related__card:hover .related__thumb img{transform:scale(1.04);}
.related__badge{
  position:absolute;left:14px;top:14px;
  padding:6px 12px;border-radius:999px;
  background:rgba(20,17,15,.62);
  color:#F7F3EE;font-size:12.5px;font-weight:600;
  backdrop-filter:blur(4px);
}
.related__body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
.related__body h3{font-size:18px;font-weight:700;margin-bottom:10px;line-height:1.45;}
.related__body p{font-size:14.5px;color:var(--c-ink-2);line-height:1.8;flex:1;}
.related__more{
  margin-top:18px;padding-top:16px;
  border-top:1px dashed var(--c-line);
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--c-primary);
}
.related__more svg{transition:transform .25s ease;}
.related__card:hover .related__more svg{transform:translateX(3px);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#0D2F2B;
  color:rgba(247,243,238,.78);
  padding:72px 0 0;
  margin-top:var(--sect);
  font-size:14.5px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:44px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16.5px;font-weight:800;color:#F7F3EE;margin-bottom:16px;}
.footer-title{font-size:14px;font-weight:700;color:#F7F3EE;letter-spacing:.08em;margin-bottom:18px;}
.footer-text{font-size:14px;line-height:1.9;color:rgba(247,243,238,.66);}
.footer-list{display:flex;flex-direction:column;gap:12px;}
.footer-list a{
  font-size:14px;
  color:rgba(247,243,238,.72);
  display:inline-block;
  transition:color .22s ease,transform .22s ease;
}
.footer-list a:hover{color:#fff;transform:translateX(2px);}
.footer-form{display:flex;flex-direction:column;gap:12px;}
.footer-form input{
  height:48px;
  padding:0 16px;
  border-radius:var(--r-sm);
  border:1px solid rgba(247,243,238,.22);
  background:rgba(247,243,238,.08);
  color:#F7F3EE;
  font-size:14.5px;
  transition:border-color .22s ease,background .22s ease;
}
.footer-form input::placeholder{color:rgba(247,243,238,.45);}
.footer-form input:focus{outline:none;border-color:var(--c-primary);background:rgba(247,243,238,.12);}
.footer-bottom{
  margin-top:56px;
  padding:24px 0 28px;
  border-top:1px solid rgba(247,243,238,.14);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;
  color:rgba(247,243,238,.56);
}
.footer-bottom a{color:rgba(247,243,238,.82);}
.footer-bottom a:hover{color:#fff;}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s cubic-bezier(.22,.61,.36,1),transform .4s cubic-bezier(.22,.61,.36,1);}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  :root{--sect:72px;}
  .compare{grid-template-columns:1fr;}
  .check-layout{grid-template-columns:1fr;gap:36px;}
  .related{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .cta-band{padding:44px 36px;}
}
@media (max-width:767px){
  :root{--sect:60px;}
  .container{padding:0 20px;}
  .cat-hero{padding:44px 0 52px;min-height:240px;}
  .cat-hero__sub{font-size:15.5px;}
  .check-list{grid-template-columns:1fr;gap:0;}
  .related{grid-template-columns:1fr;}
  .section__head{margin-bottom:34px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:38px 26px;border-radius:var(--r-md);}
  .cta-band__actions{width:100%;}
  .cta-band__actions .btn{flex:1;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .compare__card{padding:26px 22px 26px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:520px){
  .nav__cta{display:none;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.01ms!important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}