/* roulang page: index */
:root{
  --c-primary:#F0522B;
  --c-primary-dark:#C63A18;
  --c-primary-light:#FDEAE3;
  --c-accent:#D8F34A;
  --bg:#FBF9F6;
  --bg-warm:#F1EDE7;
  --ink:#101010;
  --t-heading:#141414;
  --t-body:#5A5652;
  --t-muted:#8C8781;
  --line:#E4DED6;
  --white:#FFFFFF;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:8px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,16,16,.06);
  --sh-2:0 10px 30px -12px rgba(16,16,16,.18);
  --font:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --sec-pad:96px;
  --wide:1240px;
}
*,*::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;
  font-weight:400;
  line-height:1.8;
  color:var(--t-body);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
body.drawer-open{overflow:hidden;}
h1,h2,h3,h4{color:var(--t-heading);margin:0;font-weight:800;letter-spacing:-.02em;}
h1{line-height:1.15;}
h2{font-size:clamp(1.5rem,2.2vw,2rem);line-height:1.25;}
h3{font-size:1.125rem;line-height:1.4;}
p{margin:0;}
a{color:inherit;text-decoration:none;transition:color .2s cubic-bezier(.2,.8,.2,1);}
a:hover{color:var(--c-primary);}
img{max-width:100%;display:block;border-radius:var(--r-md);}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:1rem;}
::selection{background:var(--c-primary-light);color:var(--c-primary-dark);}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px;}

.wrap{max-width:var(--wide);margin:0 auto;padding:0 20px;width:100%;}
.section{padding:var(--sec-pad) 0;}
.section--tight{padding:72px 0;}
.section--warm{background:var(--bg-warm);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.section-head p{margin-top:10px;color:var(--t-muted);font-size:.9375rem;max-width:640px;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:.9375rem;color:var(--c-primary);border-bottom:2px solid transparent;transition:border-color .2s cubic-bezier(.2,.8,.2,1),gap .2s cubic-bezier(.2,.8,.2,1);white-space:nowrap;}
.link-more:hover{border-bottom-color:var(--c-primary);gap:12px;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-pill);
  font-size:.9375rem;font-weight:700;line-height:1;
  border:1.5px solid transparent;background:transparent;color:var(--t-heading);
  transition:background .22s cubic-bezier(.2,.8,.2,1),color .22s cubic-bezier(.2,.8,.2,1),transform .22s cubic-bezier(.2,.8,.2,1),box-shadow .22s cubic-bezier(.2,.8,.2,1),border-color .22s;
  text-align:center;white-space:nowrap;
}
.btn--primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1);}
.btn--primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn--primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn--primary:focus-visible{outline:2px solid var(--c-accent);outline-offset:3px;}
.btn--outline{border-color:var(--ink);color:var(--ink);}
.btn--outline:hover{background:var(--ink);color:#fff;}
.btn--ghost{border-color:var(--line);color:var(--t-heading);background:rgba(255,255,255,.7);}
.btn--ghost:hover{border-color:var(--ink);color:var(--ink);background:#fff;}
.btn--square{border-radius:var(--r-sm);}
.btn--sm{height:40px;padding:0 18px;font-size:.875rem;}
.btn--light{background:#fff;color:var(--ink);}
.btn--light:hover{background:var(--c-accent);color:var(--ink);transform:translateY(-2px);}
.btn--ghost-light{border-color:rgba(255,255,255,.35);color:#fff;}
.btn--ghost-light:hover{border-color:#fff;background:rgba(255,255,255,.1);color:#fff;}

/* 徽章 */
.tag{display:inline-flex;align-items:center;gap:6px;background:var(--c-primary-light);color:var(--c-primary-dark);font-size:.75rem;letter-spacing:.06em;font-weight:700;padding:4px 10px;border-radius:6px;line-height:1.6;}
.tag--dark{background:var(--c-accent);color:var(--ink);}
.tag--line{background:transparent;border:1px solid var(--line);color:var(--t-muted);}

/* 导航 */
.site-header{position:sticky;top:0;z-index:80;background:rgba(251,249,246,.92);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:border-color .25s,box-shadow .25s,background .25s;}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 8px 24px -20px rgba(16,16,16,.55);background:rgba(251,249,246,.97);}
.nav-inner{max-width:var(--wide);margin:0 auto;padding:0 24px;height:72px;display:flex;align-items:center;gap:28px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none;}
.brand__mark{width:32px;height:32px;border-radius:9px;background:var(--c-primary);display:inline-flex;align-items:center;justify-content:center;flex:none;box-shadow:0 4px 12px -6px rgba(240,82,43,.9);}
.brand__mark svg{width:18px;height:18px;display:block;}
.brand__name{font-size:1.0625rem;font-weight:800;letter-spacing:-.01em;color:var(--t-heading);white-space:nowrap;}
.brand:hover .brand__name{color:var(--t-heading);}
.nav-main{display:flex;align-items:center;gap:26px;margin-left:12px;}
.nav-main a{position:relative;font-size:.9375rem;font-weight:600;color:var(--t-body);padding:24px 0;line-height:1;}
.nav-main a::after{content:"";position:absolute;left:0;right:0;bottom:18px;height:2px;background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform .22s cubic-bezier(.2,.8,.2,1);}
.nav-main a:hover{color:var(--t-heading);}
.nav-main a:hover::after,.nav-main a.is-active::after{transform:scaleX(1);}
.nav-main a.is-active{color:var(--t-heading);font-weight:800;}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px;}
.nav-search{position:relative;display:flex;align-items:center;}
.nav-search input{
  width:224px;height:40px;border:1px solid var(--line);border-radius:var(--r-pill);
  background:#fff;padding:0 40px 0 16px;font-size:.875rem;color:var(--t-heading);
  transition:border-color .2s,box-shadow .2s,width .22s;
}
.nav-search input::placeholder{color:var(--t-muted);}
.nav-search input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px var(--c-primary-light);}
.nav-search button{position:absolute;right:4px;top:4px;width:32px;height:32px;border:none;border-radius:50%;background:transparent;display:flex;align-items:center;justify-content:center;color:var(--t-muted);}
.nav-search button:hover{color:var(--c-primary);background:var(--c-primary-light);}
.nav-search svg{width:16px;height:16px;}
.nav-login{font-size:.9375rem;font-weight:600;color:var(--t-body);padding:8px 4px;}
.nav-login:hover{color:var(--c-primary);}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:4px;}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--t-heading);border-radius:2px;}

/* 移动抽屉 */
.mobile-drawer{position:fixed;inset:0;z-index:120;background:var(--bg);display:none;flex-direction:column;padding:20px;overflow-y:auto;}
.mobile-drawer.is-open{display:flex;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;}
.drawer-close{width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:#fff;font-size:1.25rem;line-height:1;color:var(--t-heading);display:flex;align-items:center;justify-content:center;}
.drawer-search{display:flex;gap:8px;margin-bottom:20px;}
.drawer-search input{flex:1;height:48px;border:1px solid var(--line);border-radius:var(--r-pill);padding:0 18px;background:#fff;}
.drawer-search input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px var(--c-primary-light);}
.drawer-links{display:flex;flex-direction:column;border-top:1px solid var(--line);}
.drawer-links a{display:flex;align-items:center;justify-content:space-between;height:56px;font-size:1rem;font-weight:600;color:var(--t-heading);border-bottom:1px solid var(--line);}
.drawer-links a span{color:var(--t-muted);font-size:.875rem;font-weight:400;}
.drawer-actions{display:flex;flex-direction:column;gap:12px;margin-top:24px;}
.drawer-actions .btn{width:100%;}

/* Hero */
.hero{position:relative;padding:64px 0 84px;overflow:hidden;}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(16,16,16,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(16,16,16,.05) 1px,transparent 1px);
  background-size:72px 72px;
  mask-image:linear-gradient(to bottom,rgba(0,0,0,.7),transparent 78%);
  -webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,.7),transparent 78%);
}
.hero__grid{position:relative;display:grid;grid-template-columns:minmax(280px,5fr) 7fr;gap:56px;align-items:center;}
.hero__media{position:relative;border-radius:20px;overflow:hidden;background:var(--bg-warm);box-shadow:var(--sh-2);max-width:360px;}
.hero__media img{width:100%;height:100%;aspect-ratio:9/16;object-fit:cover;border-radius:0;}
.hero__media-badge{position:absolute;left:14px;bottom:14px;display:inline-flex;align-items:center;gap:8px;background:rgba(16,16,16,.72);color:#fff;font-size:.75rem;font-weight:600;padding:6px 12px;border-radius:var(--r-pill);backdrop-filter:blur(6px);}
.hero__media-badge i{width:6px;height:6px;border-radius:50%;background:var(--c-accent);display:block;}
.hero__eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:.75rem;letter-spacing:.06em;font-weight:700;color:var(--c-primary-dark);background:var(--c-primary-light);padding:6px 14px;border-radius:var(--r-pill);margin-bottom:22px;}
.hero h1{font-size:clamp(2.1rem,3.6vw,3.2rem);line-height:1.1;letter-spacing:-.025em;}
.hero h1 em{font-style:normal;color:var(--c-primary);}
.hero__sub{margin-top:20px;font-size:1.0625rem;line-height:1.85;color:var(--t-body);max-width:560px;}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px;}
.hero__stats{display:flex;align-items:stretch;gap:0;margin-top:44px;flex-wrap:wrap;}
.hero__stat{padding:0 26px;border-left:1px solid var(--line);}
.hero__stat:first-child{padding-left:0;border-left:none;}
.hero__stat strong{display:block;font-size:1.5rem;font-weight:800;color:var(--t-heading);font-variant-numeric:tabular-nums;line-height:1.2;}
.hero__stat span{display:block;margin-top:4px;font-size:.8125rem;color:var(--t-muted);}

/* 精选片段 */
.picks{display:grid;grid-template-columns:1.15fr 1fr 1fr;grid-auto-rows:min-content;gap:24px;}
.pick-card{position:relative;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);transition:transform .22s cubic-bezier(.2,.8,.2,1),box-shadow .22s cubic-bezier(.2,.8,.2,1);}
.pick-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);color:inherit;}
.pick-card__media{position:relative;background:var(--bg-warm);overflow:hidden;}
.pick-card__media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .26s cubic-bezier(.2,.8,.2,1);}
.pick-card:hover .pick-card__media img{transform:scale(1.03);}
.pick-card__media .tag{position:absolute;top:12px;left:12px;}
.pick-card__time{position:absolute;right:12px;bottom:12px;background:rgba(16,16,16,.72);color:#fff;font-size:.75rem;font-weight:600;padding:3px 9px;border-radius:var(--r-pill);font-variant-numeric:tabular-nums;}
.pick-card__body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:8px;flex:1;}
.pick-card__title{font-size:1.0625rem;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.pick-card__desc{font-size:.875rem;color:var(--t-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.pick-card__foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:6px;font-size:.8125rem;color:var(--t-muted);}
.pick-card__arrow{color:var(--c-primary);font-weight:700;transition:transform .22s cubic-bezier(.2,.8,.2,1);}
.pick-card:hover .pick-card__arrow{transform:translateX(4px);}
.pick-card--big{grid-row:span 2;}
.pick-card--big .pick-card__media img{aspect-ratio:4/5;}
.pick-card--big .pick-card__title{font-size:1.1875rem;}
.pick-card--mid .pick-card__media img{aspect-ratio:16/9;}
.pick-card--strip{flex-direction:row;align-items:center;}
.pick-card--strip .pick-card__media{width:132px;flex:none;align-self:stretch;}
.pick-card--strip .pick-card__media img{aspect-ratio:1/1;height:100%;}
.pick-card--strip .pick-card__body{padding:14px 16px;}
.pick-card--strip .pick-card__title{font-size:.9375rem;}

/* 清单 */
.brief-list{border-top:1px solid var(--line);}
.list-row{display:grid;grid-template-columns:48px 96px 1fr 32px;align-items:center;gap:20px;padding:18px 0;border-bottom:1px solid var(--line);transition:background .2s;}
.list-row__no{font-size:1rem;font-weight:800;color:var(--c-primary);font-variant-numeric:tabular-nums;transition:color .2s;}
.list-row__thumb{width:96px;height:96px;border-radius:var(--r-md);overflow:hidden;background:var(--bg-warm);}
.list-row__thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .26s cubic-bezier(.2,.8,.2,1);}
.list-row__text strong{display:block;font-size:1.0625rem;font-weight:700;color:var(--t-heading);line-height:1.4;border-bottom:2px solid transparent;display:inline;}
.list-row__text em{display:block;font-style:normal;margin-top:6px;font-size:.875rem;color:var(--t-muted);}
.list-row__arrow{font-size:1.125rem;color:var(--t-muted);transition:transform .22s cubic-bezier(.2,.8,.2,1),color .2s;}
.list-row:hover{color:inherit;}
.list-row:hover .list-row__no{color:var(--c-primary-dark);}
.list-row:hover .list-row__text strong{border-bottom-color:var(--c-primary);}
.list-row:hover .list-row__thumb img{transform:scale(1.05);}
.list-row:hover .list-row__arrow{transform:translateX(4px);color:var(--c-primary);}

/* CMS 资讯卡 */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);transition:transform .22s cubic-bezier(.2,.8,.2,1),box-shadow .22s cubic-bezier(.2,.8,.2,1);}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.post-card__link{display:flex;flex-direction:column;height:100%;}
.post-card__media{position:relative;aspect-ratio:16/9;background:var(--bg-warm);display:flex;align-items:center;justify-content:center;overflow:hidden;}
.post-card__mark{font-size:2.5rem;font-weight:800;color:rgba(240,82,43,.28);letter-spacing:-.04em;}
.post-card__body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-card__title{font-size:1.0625rem;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-card__desc{font-size:.875rem;color:var(--t-muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-card__foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:8px;font-size:.8125rem;color:var(--t-muted);font-variant-numeric:tabular-nums;}
.post-card__arrow{color:var(--c-primary);font-weight:700;}
.empty-state{border:1.5px dashed var(--line);border-radius:var(--r-lg);padding:48px 24px;text-align:center;color:var(--t-muted);font-size:.9375rem;background:rgba(255,255,255,.5);}
.empty-state .btn{margin-top:16px;}

/* 口碑 */
.voices{position:relative;}
.voices::after{content:"";position:absolute;top:0;right:0;width:90px;height:100%;background:linear-gradient(to right,rgba(251,249,246,0),var(--bg));pointer-events:none;}
.voice-track{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:12px;scrollbar-width:none;}
.voice-track::-webkit-scrollbar{display:none;}
.voice-card{flex:0 0 320px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-1);display:flex;flex-direction:column;gap:10px;}
.voice-card__quote{font-size:2.25rem;line-height:.6;font-weight:800;color:var(--c-primary);}
.voice-card blockquote{margin:0;font-size:.9375rem;line-height:1.8;color:var(--t-body);}
.voice-card figcaption{font-size:.8125rem;color:var(--t-muted);display:flex;flex-direction:column;gap:2px;}
.voice-card figcaption strong{color:var(--t-heading);font-size:.9375rem;font-weight:700;}
.voice-card__stars{color:var(--c-primary);letter-spacing:2px;font-size:.875rem;}

/* CTA 深色 */
.cta-band{background:var(--ink);color:#fff;padding:72px 0;}
.cta-band__grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.cta-band__kicker{display:inline-block;font-size:.75rem;letter-spacing:.06em;font-weight:700;color:var(--ink);background:var(--c-accent);padding:4px 12px;border-radius:var(--r-pill);margin-bottom:20px;}
.cta-band h2{color:#fff;font-size:clamp(1.5rem,2.4vw,2.1rem);line-height:1.3;max-width:560px;}
.cta-band p{margin-top:16px;color:rgba(255,255,255,.68);max-width:520px;font-size:.9375rem;}
.cta-band__btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.cta-band__media{justify-self:end;width:100%;max-width:320px;transform:rotate(-2deg);border-radius:var(--r-lg);overflow:hidden;background:#1c1c1c;box-shadow:0 24px 48px -24px rgba(0,0,0,.9);}
.cta-band__media img{width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:0;}

/* FAQ */
.faq-list{max-width:920px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-item summary{
  list-style:none;display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:64px;padding:16px 0;cursor:pointer;font-size:1rem;font-weight:700;color:var(--t-heading);
  transition:color .2s;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--c-primary-dark);}
.faq-item summary::after{
  content:"+";flex:none;width:28px;height:28px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  color:var(--c-primary);font-size:1.125rem;font-weight:800;line-height:1;
  border:1px solid var(--line);transition:transform .2s cubic-bezier(.2,.8,.2,1),background .2s,color .2s;
}
.faq-item[open] summary::after{content:"−";background:var(--c-primary-light);transform:rotate(180deg);}
.faq-item__body{padding:0 0 22px;font-size:.9375rem;line-height:1.85;color:var(--t-body);max-width:760px;}

/* 页脚 */
.site-footer{background:var(--ink);color:rgba(255,255,255,.62);padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1.5fr;gap:40px;}
.footer-brand .brand__name{color:#fff;}
.footer-brand p{margin-top:16px;font-size:.875rem;line-height:1.8;color:rgba(255,255,255,.55);max-width:280px;}
.footer-social{display:flex;gap:10px;margin-top:20px;}
.footer-social a{width:36px;height:36px;border-radius:50%;border:1px solid rgba(255,255,255,.16);display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.7);transition:border-color .2s,color .2s,background .2s;}
.footer-social a:hover{border-color:var(--c-primary);background:var(--c-primary);color:#fff;}
.footer-social svg{width:16px;height:16px;}
.footer-col h4{color:#fff;font-size:.875rem;font-weight:700;letter-spacing:.04em;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:.875rem;color:rgba(255,255,255,.6);}
.footer-col a:hover{color:#fff;}
.footer-sub p{font-size:.875rem;line-height:1.8;color:rgba(255,255,255,.55);margin-bottom:14px;}
.footer-form{display:flex;gap:8px;}
.footer-form input{flex:1;min-width:0;height:44px;border-radius:var(--r-sm);border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff;padding:0 14px;font-size:.875rem;}
.footer-form input::placeholder{color:rgba(255,255,255,.4);}
.footer-form input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(240,82,43,.28);}
.footer-form .btn{height:44px;padding:0 20px;font-size:.875rem;}
.footer-bottom{margin-top:56px;border-top:1px solid rgba(255,255,255,.12);padding:22px 0 28px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;font-size:.8125rem;color:rgba(255,255,255,.45);}
.footer-bottom nav{display:flex;gap:20px;flex-wrap:wrap;}
.footer-bottom a{color:rgba(255,255,255,.5);}
.footer-bottom a:hover{color:#fff;}

/* 进入视口 */
.reveal{opacity:0;transform:translateY(8px);transition:opacity .26s cubic-bezier(.2,.8,.2,1),transform .26s cubic-bezier(.2,.8,.2,1);}
.reveal.is-in-view{opacity:1;transform:none;}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

@media screen and (max-width:1279px){
  .hero__grid{gap:44px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;}
  .footer-sub{grid-column:1 / -1;}
}
@media screen and (max-width:1023px){
  :root{--sec-pad:72px;}
  .nav-main,.nav-search,.nav-login,.nav-right .btn--ghost{display:none;}
  .nav-toggle{display:flex;}
  .nav-inner{gap:16px;padding:0 20px;height:64px;}
  .nav-right{margin-left:auto;}
  .nav-right .btn--primary{height:40px;padding:0 18px;font-size:.875rem;}
  .hero{padding:44px 0 64px;}
  .hero__grid{grid-template-columns:1fr;gap:36px;}
  .hero__media{max-width:280px;order:2;margin:0 auto;}
  .hero__stats{margin-top:32px;}
  .picks{grid-template-columns:1fr 1fr;}
  .pick-card--big{grid-row:auto;grid-column:1 / -1;flex-direction:row;}
  .pick-card--big .pick-card__media{width:46%;flex:none;}
  .pick-card--big .pick-card__media img{aspect-ratio:4/5;height:100%;}
  .pick-card--big .pick-card__body{justify-content:center;}
  .post-grid{grid-template-columns:1fr 1fr;}
  .cta-band__grid{grid-template-columns:1fr;gap:32px;}
  .cta-band__media{justify-self:start;max-width:260px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-brand{grid-column:1 / -1;}
  .footer-sub{grid-column:1 / -1;}
}
@media screen and (max-width:767px){
  :root{--sec-pad:56px;}
  .section--tight{padding:48px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:24px;}
  .hero h1{font-size:clamp(1.8rem,6.6vw,2.3rem);}
  .hero__sub{font-size:1rem;}
  .hero__cta{flex-direction:column;align-items:stretch;}
  .hero__cta .btn{width:100%;}
  .hero__stats{gap:16px;}
  .hero__stat{padding:0 16px;}
  .hero__stat strong{font-size:1.25rem;}
  .picks{grid-template-columns:1fr;}
  .pick-card--big{flex-direction:column;}
  .pick-card--big .pick-card__media{width:100%;}
  .pick-card--big .pick-card__media img{aspect-ratio:4/5;}
  .pick-card--strip .pick-card__media{width:104px;}
  .list-row{grid-template-columns:36px 72px 1fr 20px;gap:12px;padding:14px 0;}
  .list-row__thumb{width:72px;height:72px;}
  .list-row__text em{display:none;}
  .list-row__text strong{font-size:.9375rem;}
  .post-grid{grid-template-columns:1fr;}
  .voice-card{flex:0 0 78vw;}
  .cta-band{padding:56px 0;}
  .cta-band__media{transform:none;max-width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .faq-item summary{font-size:.9375rem;}
}
@media screen and (max-width:519px){
  .brand__name{font-size:1rem;}
  .nav-right .btn--primary{padding:0 14px;font-size:.8125rem;}
  .hero__stat{padding:0 12px;}
  .list-row{grid-template-columns:30px 64px 1fr;}
  .list-row__thumb{width:64px;height:64px;}
  .list-row__arrow{display:none;}
}

/* roulang page: article */
:root{
  --c-primary:#F0522B;
  --c-primary-dark:#C63A18;
  --c-primary-soft:#FDEAE3;
  --c-accent:#D8F34A;
  --bg:#FBF9F6;
  --bg-warm:#F1EDE7;
  --ink:#101010;
  --t1:#141414;
  --t2:#5A5652;
  --t3:#8C8781;
  --line:#E4DED6;
  --radius-card:16px;
  --radius-img:12px;
  --shadow-1:0 1px 2px rgba(16,16,16,.06);
  --shadow-2:0 10px 30px -12px rgba(16,16,16,.18);
  --font:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font);font-size:16px;line-height:1.8;color:var(--t2);
  background:var(--bg);-webkit-font-smoothing:antialiased;font-variant-numeric:tabular-nums;
}
h1,h2,h3,h4,h5{margin:0;color:var(--t1);font-weight:800;letter-spacing:-.02em;line-height:1.25}
p{margin:0}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-primary-dark)}
img{display:block;max-width:100%}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
.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}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media (min-width:640px){.wrap{padding:0 32px}}
@media (min-width:1024px){.wrap{padding:0 48px}}
.button,.button.primary,.button.secondary{background:transparent;color:inherit;border:0;padding:0;margin:0;font-family:inherit}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 28px;
  border-radius:999px;font-size:.9375rem;font-weight:700;line-height:1;border:1.5px solid transparent;
  cursor:pointer;transition:background-color .22s cubic-bezier(.2,.8,.2,1),color .22s,transform .22s,box-shadow .22s,border-color .22s;
  white-space:nowrap;
}
.btn--primary{background:var(--c-primary);border-color:var(--c-primary);color:#fff}
.btn--primary:hover{background:var(--c-primary-dark);border-color:var(--c-primary-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn--primary:active{transform:none;box-shadow:var(--shadow-1)}
.btn--ghost{background:transparent;border-color:var(--t1);color:var(--t1)}
.btn--ghost:hover{background:var(--ink);border-color:var(--ink);color:#fff;transform:translateY(-2px)}
.btn--ghost:active{transform:none}
.btn--sm{height:38px;padding:0 18px;font-size:.875rem}
.btn--block{display:flex;width:100%}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:.9375rem;font-weight:700;color:var(--c-primary);border-bottom:2px solid var(--c-primary);padding-bottom:2px}
.link-more:hover{color:var(--c-primary-dark);border-bottom-color:var(--c-primary-dark)}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(251,249,246,.94);
  backdrop-filter:saturate(1.2) blur(10px);border-bottom:1px solid transparent;transition:border-color .25s,box-shadow .25s;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 8px 24px -20px rgba(16,16,16,.45)}
.header-inner{display:flex;align-items:center;gap:26px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--t1);font-weight:800;letter-spacing:-.01em;font-size:1.0625rem;flex:none}
.brand:hover{color:var(--t1)}
.brand__mark{width:32px;height:32px;border-radius:10px;background:var(--ink);display:grid;place-items:center;flex:none}
.brand__mark svg{width:20px;height:20px;display:block}
.nav-main{display:flex;align-items:center;gap:24px}
.nav-main a{position:relative;padding:8px 0;font-size:.9375rem;font-weight:600;color:var(--t2)}
.nav-main a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform .22s cubic-bezier(.2,.8,.2,1)}
.nav-main a:hover{color:var(--t1)}
.nav-main a:hover::after,.nav-main a.is-active::after{transform:scaleX(1)}
.nav-main a.is-active{color:var(--t1)}
.header-tools{margin-left:auto;display:flex;align-items:center;gap:12px}
.search-box{display:flex;align-items:center;gap:8px;height:40px;width:220px;padding:0 14px;background:#fff;border:1px solid var(--line);border-radius:999px;transition:border-color .2s,box-shadow .2s}
.search-box:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px var(--c-primary-soft)}
.search-box svg{width:16px;height:16px;color:var(--t3);flex:none}
.search-box input{width:100%;border:0;background:none;font-size:.875rem;color:var(--t1);outline:none;padding:0}
.search-box input::placeholder{color:var(--t3)}
.search-box--full{width:100%;height:48px;border-radius:12px}
.link-login{font-size:.9375rem;font-weight:600;color:var(--t2)}
.link-login:hover{color:var(--c-primary)}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:12px;flex-direction:column;justify-content:center;align-items:center;gap:4px;cursor:pointer;padding:0}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--t1);border-radius:2px}

/* ---------- mobile drawer ---------- */
.mobile-drawer{
  position:fixed;inset:0;z-index:80;background:var(--bg);padding:20px;display:flex;flex-direction:column;gap:20px;
  transform:translateY(-102%);transition:transform .28s cubic-bezier(.2,.8,.2,1);overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateY(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:40px;height:40px;border:1px solid var(--line);border-radius:12px;background:#fff;cursor:pointer;font-size:1.25rem;line-height:1;color:var(--t1)}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{display:flex;align-items:center;height:56px;border-bottom:1px solid var(--line);font-size:1.0625rem;font-weight:600;color:var(--t1)}
.drawer-nav a.is-active{color:var(--c-primary)}
.drawer-actions{display:flex;flex-direction:column;gap:12px;margin-top:auto;padding-top:12px}

/* ---------- breadcrumb ---------- */
.crumbs{padding:24px 0 0}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.8125rem;color:var(--t3)}
.crumbs li{display:flex;align-items:center;gap:8px}
.crumbs li+li::before{content:"/";color:var(--line)}
.crumbs a{color:var(--t3)}
.crumbs a:hover{color:var(--c-primary)}
.crumbs .current{max-width:20ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--t3)}

/* ---------- article head ---------- */
.article-head{padding:28px 0 32px;max-width:860px}
.badge{display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:6px;background:var(--c-primary-soft);color:var(--c-primary-dark);font-size:.75rem;font-weight:700;letter-spacing:.06em}
.article-head h1{font-size:clamp(2rem,3.4vw,2.9rem);line-height:1.15;margin:16px 0 0}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:20px;font-size:.875rem;color:var(--t3)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line)}
.article-cover{margin:0 0 8px}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:20px;background:var(--bg-warm)}
.cover-caption{margin-top:10px;font-size:.8125rem;color:var(--t3);text-align:center}

/* ---------- layout ---------- */
.article-layout{padding:40px 0 0}
.article-grid{margin-left:-16px;margin-right:-16px}
.article-grid>.cell{padding-left:16px;padding-right:16px}
.article-col{max-width:720px;margin:0 auto;min-width:0}
.side-inner{display:flex;flex-direction:column;gap:20px}

/* ---------- article body ---------- */
.article-body{font-size:1rem;line-height:1.85;color:var(--t2);overflow-wrap:break-word}
.article-body>*+*{margin-top:20px}
.article-body p{margin:0;line-height:1.85}
.article-body h2{
  font-size:clamp(1.375rem,2vw,1.625rem);line-height:1.3;color:var(--t1);margin-top:40px;margin-bottom:16px;
  padding-left:14px;border-left:3px solid var(--c-primary);
}
.article-body h3{font-size:1.1875rem;line-height:1.4;color:var(--t1);margin-top:28px;margin-bottom:12px}
.article-body h4{font-size:1.0625rem;margin-top:24px;margin-bottom:10px}
.article-body ul,.article-body ol{padding-left:1.4em;margin:0}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:8px;line-height:1.8}
.article-body li::marker{color:var(--c-primary)}
.article-body a{color:var(--c-primary);border-bottom:1px solid rgba(240,82,43,.45)}
.article-body a:hover{border-bottom-width:2px;color:var(--c-primary-dark)}
.article-body blockquote{
  margin:24px 0;padding:20px;background:var(--bg-warm);border-left:3px solid var(--c-primary);
  border-radius:0 12px 12px 0;color:var(--t1);font-size:1rem;line-height:1.8;
}
.article-body blockquote p{margin:0}
.article-body img{border-radius:var(--radius-img);width:100%;height:auto;background:var(--bg-warm);margin:8px 0}
.article-body figure{margin:24px 0}
.article-body figcaption,.article-body .caption{font-size:.8125rem;color:var(--t3);text-align:center;margin-top:8px}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:.9375rem}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-body th{background:var(--bg-warm);color:var(--t1);font-weight:700}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}
.article-body strong{color:var(--t1);font-weight:700}
.article-body code{background:var(--bg-warm);border-radius:6px;padding:2px 6px;font-size:.875rem}

/* ---------- empty state ---------- */
.empty-state{
  border:1.5px dashed var(--line);border-radius:var(--radius-card);padding:48px 24px;text-align:center;background:#fff;
}
.empty-title{font-size:1.125rem;font-weight:800;color:var(--t1)}
.empty-desc{margin-top:8px;font-size:.9375rem;color:var(--t2)}
.empty-state .btn{margin-top:20px}

/* ---------- tags / share ---------- */
.article-foot{margin-top:40px;padding-top:24px;border-top:1px solid var(--line)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.pill{display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:.8125rem;font-weight:600;color:var(--t2);transition:border-color .2s,color .2s,background-color .2s}
.pill:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-soft)}
.share-row{display:flex;align-items:center;gap:10px;margin-top:20px}
.share-row .label{font-size:.8125rem;color:var(--t3)}
.icon-btn{width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--t2);cursor:pointer;transition:all .2s}
.icon-btn svg{width:17px;height:17px}
.icon-btn:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-soft)}
.icon-btn.is-copied{border-color:var(--c-primary);color:#fff;background:var(--c-primary)}
.back-link{display:inline-flex;align-items:center;gap:8px;margin-top:24px;font-weight:700;font-size:.9375rem}
.back-link svg{width:16px;height:16px}

/* ---------- sidebar ---------- */
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:22px;box-shadow:var(--shadow-1)}
.side-title{font-size:1.0625rem;margin-bottom:14px}
.side-links{display:flex;flex-direction:column}
.side-links a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:11px 0;border-bottom:1px solid var(--line);font-size:.9375rem;font-weight:600;color:var(--t2)}
.side-links li:last-child a{border-bottom:0;padding-bottom:0}
.side-links a:hover{color:var(--c-primary)}
.side-links a svg{width:14px;height:14px;flex:none;color:var(--t3);transition:transform .2s}
.side-links a:hover svg{color:var(--c-primary);transform:translateX(3px)}
.side-card--cta{background:var(--ink);border-color:var(--ink)}
.side-kicker{display:inline-block;font-size:.75rem;font-weight:700;letter-spacing:.06em;color:var(--accent);background:rgba(216,243,74,.1);border:1px solid rgba(216,243,74,.35);border-radius:6px;padding:3px 10px}
.side-card--cta h2{color:#fff;font-size:1.125rem;line-height:1.45;margin:14px 0 18px}
.side-card--cta .btn{width:100%}
.side-note{font-size:.8125rem;color:var(--t3);line-height:1.7}
.side-card--note{background:var(--bg-warm);border-color:transparent;box-shadow:none}
.side-card--note .side-title{font-size:.9375rem;margin-bottom:8px}

/* ---------- related ---------- */
.section{padding:72px 0}
@media (min-width:1024px){.section{padding:96px 0}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px}
.section-head h2{font-size:clamp(1.5rem,2.2vw,2rem)}
.section-head p{margin-top:8px;font-size:.9375rem;color:var(--t2)}
.card-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:640px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.post-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .22s cubic-bezier(.2,.8,.2,1),box-shadow .22s;color:var(--t2)}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);color:var(--t2)}
.post-card__media{position:relative;background:var(--bg-warm)}
.post-card__media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .25s cubic-bezier(.2,.8,.2,1)}
.post-card:hover .post-card__media img{transform:scale(1.03)}
.post-card__body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-card__body h3{font-size:1.0625rem;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card__body h3 a{color:var(--t1)}
.post-card__body h3 a:hover{color:var(--c-primary)}
.post-card__desc{font-size:.875rem;line-height:1.7;color:var(--t2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card__foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:.8125rem;color:var(--t3);padding-top:6px}
.post-card__foot svg{width:15px;height:15px;color:var(--c-primary);transition:transform .2s}
.post-card:hover .post-card__foot svg{transform:translateX(4px)}

/* ---------- cta ---------- */
.cta-band{background:var(--c-primary-soft);border-radius:24px;padding:40px 24px}
@media (min-width:1024px){.cta-band{padding:56px 48px}}
.cta-band__inner{display:flex;flex-direction:column;gap:22px}
@media (min-width:768px){.cta-band__inner{flex-direction:row;align-items:center;justify-content:space-between;gap:40px}}
.cta-band h2{font-size:clamp(1.375rem,2.2vw,1.875rem);max-width:22em}
.cta-band p{margin-top:10px;font-size:.9375rem;color:var(--t2);max-width:36em}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:none}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.68);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px}
@media (min-width:768px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr .8fr .8fr .8fr 1.3fr;gap:32px}}
.site-footer .brand{color:#fff;margin-bottom:16px}
.footer-brand p{font-size:.875rem;line-height:1.8;color:rgba(255,255,255,.62);max-width:30em}
.footer-social{display:flex;gap:10px;margin-top:20px}
.footer-social a{width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;border:1px solid rgba(255,255,255,.16);color:rgba(255,255,255,.75);transition:all .2s}
.footer-social a svg{width:17px;height:17px}
.footer-social a:hover{color:var(--ink);background:var(--accent);border-color:var(--accent)}
.footer-col h4,.footer-sub-col h4{color:#fff;font-size:.9375rem;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:.875rem;color:rgba(255,255,255,.64)}
.footer-col a:hover{color:#fff}
.footer-sub-col p{font-size:.8125rem;color:rgba(255,255,255,.6);line-height:1.7;margin-bottom:14px}
.footer-sub{display:flex;gap:8px}
.footer-sub input{flex:1;min-width:0;height:44px;padding:0 14px;border-radius:10px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff;font-size:.875rem;outline:none;transition:border-color .2s,box-shadow .2s}
.footer-sub input::placeholder{color:rgba(255,255,255,.42)}
.footer-sub input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(216,243,74,.16)}
.footer-sub .btn{height:44px;padding:0 18px;border-radius:10px;font-size:.875rem}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin-top:48px;padding:20px 0 28px;border-top:1px solid rgba(255,255,255,.12);font-size:.8125rem;color:rgba(255,255,255,.5)}
.footer-bottom__links{display:flex;gap:18px}
.footer-bottom__links a{color:rgba(255,255,255,.55)}
.footer-bottom__links a:hover{color:#fff}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(8px);transition:opacity .25s cubic-bezier(.2,.8,.2,1),transform .25s cubic-bezier(.2,.8,.2,1)}
.reveal.is-in-view{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .nav-main,.header-tools .search-box,.header-tools .link-login,.header-tools>.btn{display:none}
  .nav-toggle{display:flex}
  .header-inner{gap:16px}
  .side-inner{max-width:720px;margin:0 auto}
}
@media (min-width:1024px){
  .mobile-drawer{display:none}
  .side-inner{position:sticky;top:96px;max-width:300px;margin-left:auto}
}
@media (max-width:639px){
  .header-inner{height:64px}
  .article-cover img{border-radius:14px}
  .section{padding:56px 0}
  .cta-band{border-radius:18px;padding:32px 20px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category1 */
/* ========== 设计变量 ========== */
:root{
  --brand:#F0522B;
  --brand-dark:#C63A18;
  --brand-soft:#FDEAE3;
  --accent:#D8F34A;
  --paper:#FBF9F6;
  --paper-warm:#F1EDE7;
  --ink:#101010;
  --text:#141414;
  --text-body:#5A5652;
  --text-muted:#8C8781;
  --line:#E4DED6;
  --white:#FFFFFF;
  --r-xl:20px;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:8px;
  --shadow-1:0 1px 2px rgba(16,16,16,.06);
  --shadow-2:0 10px 30px -12px rgba(16,16,16,.18);
  --ease:cubic-bezier(.2,.8,.2,1);
  --font:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
}

/* ========== reset / base ========== */
*,*::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:1.8;
  color:var(--text-body);
  background:var(--paper);
  font-feature-settings:"tnum";
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{
  margin:0;
  color:var(--text);
  font-family:var(--font);
  font-weight:800;
  letter-spacing:-.02em;
  line-height:1.3;
}
p{margin:0;}
a{color:inherit;text-decoration:none;}
img{display:block;max-width:100%;height:auto;}
ul,ol{margin:0;padding:0;}
button{font-family:inherit;}
input{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px;}
::selection{background:var(--brand-soft);color:var(--brand-dark);}
body.no-scroll{overflow:hidden;}

/* ========== 容器 ========== */
.wrap{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding-left:48px;
  padding-right:48px;
}
@media (max-width:1023px){ .wrap{padding-left:32px;padding-right:32px;} }
@media (max-width:639px){ .wrap{padding-left:20px;padding-right:20px;} }

/* ========== 按钮 ========== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 28px;
  border-radius:999px;
  border:1.5px solid transparent;
  font-size:.9375rem;
  font-weight:700;
  letter-spacing:.01em;
  cursor:pointer;
  white-space:nowrap;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:#fff;}
.btn-ghost:active{transform:translateY(1px);}
.btn-outline{background:#fff;color:var(--text);border-color:var(--line);}
.btn-outline:hover{border-color:var(--brand);color:var(--brand-dark);background:#fff;}
.btn-sm{height:40px;padding:0 18px;font-size:.875rem;}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand-dark);font-weight:700;font-size:.9375rem;
  border-bottom:2px solid var(--brand);padding-bottom:2px;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.btn-link:hover{color:var(--brand);border-bottom-width:3px;padding-bottom:1px;}
.btn:focus-visible,.btn-link:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}

/* ========== 头部导航 ========== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(251,249,246,.94);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 8px 24px -20px rgba(16,16,16,.5);}
.header-inner{height:72px;display:flex;align-items:center;gap:24px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand__mark{width:36px;height:36px;border-radius:10px;background:var(--ink);display:grid;place-items:center;flex-shrink:0;}
.brand__mark svg{width:20px;height:20px;}
.brand__name{font-size:1.0625rem;font-weight:800;letter-spacing:-.01em;color:var(--text);white-space:nowrap;}
.site-header .brand:hover .brand__name{color:var(--brand-dark);}

.nav-main{display:flex;align-items:center;gap:2px;margin:0 auto;}
.nav-main a{
  position:relative;
  padding:8px 14px;
  border-radius:8px;
  font-size:.9375rem;
  font-weight:600;
  color:var(--text-body);
  transition:color .18s var(--ease),background-color .18s var(--ease);
}
.nav-main a:hover{color:var(--text);background:var(--paper-warm);}
.nav-main a.is-active{color:var(--brand-dark);}
.nav-main a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;border-radius:2px;background:var(--brand);
}
.nav-main a:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.nav-search{position:relative;width:218px;}
.nav-search input{
  width:100%;height:40px;border-radius:999px;border:1px solid var(--line);background:#fff;
  padding:0 42px 0 16px;font-size:.875rem;color:var(--text);
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.nav-search input::placeholder{color:var(--text-muted);}
.nav-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft);}
.nav-search button{
  position:absolute;right:4px;top:4px;width:32px;height:32px;border:0;border-radius:999px;background:transparent;
  color:var(--text-muted);display:grid;place-items:center;cursor:pointer;
  transition:color .18s var(--ease),background-color .18s var(--ease);
}
.nav-search button:hover{color:var(--brand);background:var(--brand-soft);}
.link-plain{font-size:.9375rem;font-weight:600;color:var(--text-body);padding:8px 4px;transition:color .18s var(--ease);}
.link-plain:hover{color:var(--brand-dark);}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;
  cursor:pointer;place-items:center;color:var(--text);flex-shrink:0;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand-dark);}

@media (max-width:1179px){ .nav-search{width:170px;} }
@media (max-width:1079px){
  .nav-main a{padding:8px 10px;font-size:.875rem;}
  .nav-main a.is-active::after{left:10px;right:10px;}
}
@media (max-width:1023px){
  .nav-main{display:none;}
  .header-actions .nav-search,.header-actions .link-plain,.header-actions .btn-ghost{display:none;}
  .header-actions{margin-left:auto;}
  .nav-toggle{display:grid;}
}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;inset:0;z-index:90;
  background:var(--paper);
  padding:20px 20px 32px;
  display:flex;flex-direction:column;
  overflow-y:auto;
  transform:translateY(-100%);
  opacity:0;
  pointer-events:none;
  transition:transform .3s var(--ease),opacity .3s var(--ease);
}
.mobile-drawer.is-open{transform:none;opacity:1;pointer-events:auto;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px;}
.drawer-close{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;
  display:grid;place-items:center;cursor:pointer;color:var(--text);
}
.drawer-close:hover{border-color:var(--brand);color:var(--brand-dark);}
.drawer-search{position:relative;margin-bottom:20px;}
.drawer-search input{
  width:100%;height:48px;border-radius:999px;border:1px solid var(--line);background:#fff;
  padding:0 52px 0 20px;font-size:.9375rem;color:var(--text);
}
.drawer-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft);}
.drawer-search button{
  position:absolute;right:5px;top:5px;width:38px;height:38px;border:0;border-radius:999px;
  background:var(--brand);color:#fff;display:grid;place-items:center;cursor:pointer;
}
.drawer-nav{display:flex;flex-direction:column;border-top:1px solid var(--line);}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  height:56px;border-bottom:1px solid var(--line);
  font-size:1rem;font-weight:700;color:var(--text);
}
.drawer-nav a span{font-size:.8125rem;font-weight:600;color:var(--text-muted);}
.drawer-nav a.is-active{color:var(--brand-dark);}
.drawer-nav a.is-active span{color:var(--brand);}
.drawer-actions{display:flex;flex-direction:column;gap:12px;margin-top:24px;}
.drawer-actions .btn{width:100%;}

/* ========== 面包屑 ========== */
.crumbs{padding-top:24px;}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none;font-size:.8125rem;color:var(--text-muted);}
.crumbs li{display:flex;align-items:center;gap:8px;}
.crumbs li+li::before{content:"/";color:#C9C3BA;}
.crumbs a{color:var(--text-muted);transition:color .18s var(--ease);}
.crumbs a:hover{color:var(--brand-dark);}
.crumbs [aria-current="page"]{color:var(--text);font-weight:600;}

/* ========== Hero ========== */
.page-hero{
  position:relative;
  padding:40px 0 88px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(to right,rgba(16,16,16,.05) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(16,16,16,.05) 1px,transparent 1px);
  background-size:72px 72px;
  opacity:.55;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.04fr .96fr;gap:56px;align-items:center;}
@media (max-width:1023px){
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .page-hero{padding:32px 0 64px;}
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.75rem;font-weight:700;letter-spacing:.06em;
  color:var(--brand-dark);background:var(--brand-soft);
  padding:6px 14px;border-radius:999px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);}
.hero-title{font-size:clamp(2rem,3.4vw,2.9rem);line-height:1.15;margin:20px 0 16px;}
.hero-sub{font-size:1.0625rem;line-height:1.8;color:var(--text-body);max-width:540px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px;}
.hero-stats{display:flex;flex-wrap:wrap;margin-top:40px;padding-top:24px;border-top:1px solid var(--line);}
.hero-stat{padding:0 28px;border-left:1px solid var(--line);}
.hero-stat:first-child{padding-left:0;border-left:0;}
.hero-stat b{display:block;font-size:1.5rem;font-weight:800;color:var(--text);letter-spacing:-.02em;font-variant-numeric:tabular-nums;line-height:1.4;}
.hero-stat span{font-size:.8125rem;color:var(--text-muted);}
@media (max-width:639px){
  .hero-stat{padding:0 16px;}
  .hero-stat b{font-size:1.25rem;}
}
.hero-media{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  background:var(--paper-warm);box-shadow:var(--shadow-1);
  aspect-ratio:4/3;border:1px solid var(--line);
}
.hero-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.hero-media:hover img{transform:scale(1.02);}
.hero-media .media-badge{
  position:absolute;left:16px;bottom:16px;
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(16,16,16,.8);color:#fff;
  font-size:.8125rem;padding:8px 14px;border-radius:999px;
}
.hero-media .media-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);}

/* ========== 板块通用 ========== */
.section{padding:96px 0;}
.section--warm{background:var(--paper-warm);}
.section--tight{padding-top:0;}
@media (max-width:1023px){ .section{padding:72px 0;} }
@media (max-width:639px){ .section{padding:56px 0;} }
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.sec-title{font-size:clamp(1.5rem,2.2vw,2rem);line-height:1.25;}
.sec-desc{margin-top:12px;max-width:640px;color:var(--text-body);font-size:1rem;}
@media (max-width:767px){
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:28px;}
}

/* 标签 / 徽章 */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--brand-soft);color:var(--brand-dark);
  font-size:.75rem;font-weight:700;letter-spacing:.04em;
  padding:4px 10px;border-radius:6px;
}
.tag--dark{background:var(--accent);color:var(--ink);}

/* ========== 功能矩阵 ========== */
.feat-grid{display:grid;grid-template-columns:1.12fr 1fr;gap:24px;align-items:stretch;}
@media (max-width:1023px){ .feat-grid{grid-template-columns:1fr;} }

.feat-lead{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.feat-lead:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.feat-lead__media{aspect-ratio:16/10;background:var(--paper-warm);overflow:hidden;}
.feat-lead__media img{width:100%;height:100%;object-fit:cover;transition:transform .26s var(--ease);}
.feat-lead:hover .feat-lead__media img{transform:scale(1.03);}
.feat-lead__body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.feat-lead__body h3{font-size:1.1875rem;line-height:1.4;}
.feat-lead__body p{font-size:.9375rem;color:var(--text-body);}
.feat-lead__foot{margin-top:auto;padding-top:8px;display:flex;align-items:center;gap:8px;color:var(--brand-dark);font-weight:700;font-size:.875rem;}
.feat-lead__foot svg{transition:transform .22s var(--ease);}
.feat-lead:hover .feat-lead__foot svg{transform:translateX(4px);}

.feat-subs{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
@media (max-width:767px){ .feat-subs{grid-template-columns:1fr;gap:16px;} }

.feat-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--shadow-1);
  display:flex;flex-direction:column;gap:10px;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.feat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#D6CFC5;}
.feat-num{font-size:.8125rem;font-weight:800;letter-spacing:.06em;color:var(--brand);font-variant-numeric:tabular-nums;}
.feat-card h3{font-size:1.0625rem;line-height:1.4;}
.feat-card p{font-size:.9375rem;color:var(--text-body);}
.feat-card__icon{
  width:38px;height:38px;border-radius:10px;background:var(--paper-warm);
  display:grid;place-items:center;color:var(--brand-dark);
}

/* ========== 参数对照 ========== */
.spec-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow-1);
}
.spec-row{
  display:grid;grid-template-columns:280px 1fr;gap:24px;
  padding:20px 28px;border-top:1px solid var(--line);align-items:start;
}
.spec-row:first-child{border-top:0;}
.spec-row dt{font-size:.9375rem;font-weight:700;color:var(--text);}
.spec-row dd{margin:0;font-size:.9375rem;color:var(--text-body);}
.spec-row:hover{background:var(--paper);}
@media (max-width:768px){
  .spec-row{grid-template-columns:1fr;gap:6px;padding:16px 20px;}
}

/* ========== FAQ（Foundation accordion 定制） ========== */
.faq-accordion{margin:0;list-style:none;border-top:1px solid var(--line);background:transparent;}
.faq-accordion .accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent;}
.faq-accordion .accordion-title{
  display:block;border:0;background:transparent;
  padding:22px 52px 22px 0;
  font-size:1rem;font-weight:700;color:var(--text);
  transition:color .18s var(--ease);
}
.faq-accordion .accordion-title:hover{color:var(--brand-dark);background:transparent;}
.faq-accordion .accordion-title::before{
  content:"+";position:absolute;right:8px;top:50%;margin-top:-14px;
  color:var(--brand);font-size:1.375rem;font-weight:700;line-height:1;
}
.faq-accordion .accordion-item.is-active .accordion-title{color:var(--brand-dark);}
.faq-accordion .accordion-item.is-active .accordion-title::before{content:"–";}
.faq-accordion .accordion-content{
  border:0;background:transparent;
  padding:0 52px 24px 0;
  font-size:.9375rem;line-height:1.8;color:var(--text-body);
}
.faq-accordion .accordion-content p+p{margin-top:12px;}
@media (max-width:639px){
  .faq-accordion .accordion-title{padding:18px 44px 18px 0;font-size:.9375rem;}
  .faq-accordion .accordion-content{padding:0 44px 20px 0;}
}

/* ========== CTA 条 ========== */
.cta-band{
  background:var(--brand-soft);
  border:1px solid #F7D6C9;
  border-radius:24px;
  padding:56px;
  display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;
}
.cta-band h2{font-size:clamp(1.5rem,2.2vw,2rem);line-height:1.25;}
.cta-band p{margin-top:12px;color:#7A5A4F;max-width:520px;font-size:1rem;}
.cta-band__actions{display:flex;gap:12px;flex-wrap:wrap;}
@media (max-width:900px){
  .cta-band{grid-template-columns:1fr;padding:36px;gap:24px;}
}
@media (max-width:520px){ .cta-band{padding:28px 22px;border-radius:18px;} }

/* ========== 页脚 ========== */
.site-footer{background:var(--ink);color:#B9B4AE;padding-top:72px;}
.footer-grid{
  display:grid;
  grid-template-columns:1.8fr 1fr 1fr 1fr 1.5fr;
  gap:40px;padding-bottom:48px;
}
.footer-brand .brand__mark{background:#1C1C1C;}
.footer-brand .brand__name{color:#fff;}
.footer-brand p{font-size:.875rem;line-height:1.85;color:#9C9791;margin:16px 0 20px;max-width:290px;}
.footer-social{display:flex;gap:10px;}
.footer-social a{
  width:36px;height:36px;border-radius:10px;
  border:1px solid rgba(255,255,255,.14);
  display:grid;place-items:center;color:#CFCAC4;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.footer-social a:hover{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.32);}
.footer-social svg{width:16px;height:16px;}
.footer-col h4{color:#fff;font-size:.9375rem;margin-bottom:16px;letter-spacing:0;}
.footer-col ul{list-style:none;display:grid;gap:10px;}
.footer-col a{font-size:.875rem;color:#9C9791;transition:color .18s var(--ease);}
.footer-col a:hover{color:#fff;}
.footer-sub h4{color:#fff;font-size:.9375rem;margin-bottom:12px;letter-spacing:0;}
.footer-sub p{font-size:.8125rem;color:#9C9791;line-height:1.7;}
.footer-sub form{display:flex;gap:8px;margin-top:14px;}
.footer-sub input{
  flex:1;min-width:0;height:44px;border-radius:8px;
  border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.06);color:#fff;
  padding:0 14px;font-size:.875rem;
}
.footer-sub input::placeholder{color:#7E7973;}
.footer-sub input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(240,82,43,.24);}
.footer-sub button{
  height:44px;padding:0 18px;border-radius:8px;border:0;
  background:var(--brand);color:#fff;font-weight:700;font-size:.875rem;cursor:pointer;
  transition:background-color .2s var(--ease);
}
.footer-sub button:hover{background:var(--brand-dark);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:24px 0 32px;
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8C8781;
}
.footer-bottom a{color:#8C8781;transition:color .18s var(--ease);}
.footer-bottom a:hover{color:#fff;}
.footer-bottom__links{display:flex;gap:18px;flex-wrap:wrap;}
@media (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .site-footer{padding-top:56px;}
}
@media (max-width:639px){
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px;}
}

/* ========== 进入视口动效 ========== */
.js-ready .reveal{opacity:0;transform:translateY(8px);}
.js-ready .reveal.is-in-view{
  opacity:1;transform:none;
  transition:opacity .26s var(--ease),transform .26s var(--ease);
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  .js-ready .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
:root{
  --brand:#F0522B;
  --brand-dark:#C63A18;
  --brand-soft:#FDEAE3;
  --accent:#D8F34A;
  --bg:#FBF9F6;
  --bg-warm:#F1EDE7;
  --ink:#101010;
  --text:#141414;
  --text-body:#5A5652;
  --text-muted:#8C8781;
  --line:#E4DED6;
  --radius-card:16px;
  --radius-img:12px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(16,16,16,.06);
  --shadow-2:0 10px 30px -12px rgba(16,16,16,.18);
  --font:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --sec-pad:96px;
  --gutter:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:1rem;
  line-height:1.8;
  color:var(--text-body);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
body.nav-locked{overflow:hidden}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s cubic-bezier(.2,.8,.2,1)}
button{font-family:inherit;cursor:pointer}
input{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px}
::selection{background:var(--brand-soft);color:var(--brand-dark)}

.wrap{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
.section{padding-top:var(--sec-pad);padding-bottom:var(--sec-pad)}
.section--tight{padding-top:calc(var(--sec-pad) * .7);padding-bottom:calc(var(--sec-pad) * .7)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-head h2{
  font-size:clamp(1.5rem,2.2vw,2rem);
  line-height:1.25;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--text);
}
.section-head p{margin-top:10px;font-size:.9375rem;color:var(--text-muted);max-width:52ch}
.link-more{
  font-size:.9375rem;color:var(--brand);font-weight:700;white-space:nowrap;
  border-bottom:2px solid var(--brand);padding-bottom:2px;
  transition:background .2s cubic-bezier(.2,.8,.2,1),color .2s;
}
.link-more:hover{background:var(--brand-soft);color:var(--brand-dark)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--radius-pill);
  font-size:.9375rem;font-weight:700;letter-spacing:.01em;
  border:1.5px solid transparent;background:transparent;
  transition:transform .2s cubic-bezier(.2,.8,.2,1),background .2s,color .2s,box-shadow .2s,border-color .2s;
}
.btn--primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-1)}
.btn--primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:var(--shadow-2);color:#fff}
.btn--primary:active{transform:translateY(0)}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn--ghost:hover{background:var(--ink);color:#fff}
.btn--light{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn--light:hover{background:#fff;color:var(--ink);border-color:#fff}
.btn--sm{height:40px;padding:0 20px;font-size:.875rem}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--brand-soft);color:var(--brand-dark);
  font-size:.75rem;font-weight:700;letter-spacing:.06em;
  padding:4px 10px;border-radius:6px;
}
.badge--num{background:transparent;color:var(--brand);padding:0;letter-spacing:0}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(251,249,246,.94);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid transparent;
  transition:border-color .2s,box-shadow .2s;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 8px 24px -20px rgba(16,16,16,.6)}
.nav-shell{
  max-width:1240px;margin:0 auto;padding:0 20px;
  height:72px;display:flex;align-items:center;gap:28px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand__mark{
  width:34px;height:34px;border-radius:10px;background:var(--ink);
  display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;
}
.brand__mark svg{width:20px;height:20px}
.brand__name{font-weight:800;font-size:1.0625rem;letter-spacing:-.01em;color:var(--text);white-space:nowrap}
.nav-main{display:flex;align-items:center;gap:26px;flex:1}
.nav-main a{
  position:relative;font-size:.9375rem;font-weight:600;color:var(--text-body);
  padding:6px 0;white-space:nowrap;
}
.nav-main a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--brand);transition:width .22s cubic-bezier(.2,.8,.2,1);
}
.nav-main a:hover{color:var(--text)}
.nav-main a:hover::after{width:100%}
.nav-main a.is-active{color:var(--text);font-weight:800}
.nav-main a.is-active::after{width:100%}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-search{
  display:flex;align-items:center;gap:6px;
  height:40px;padding:0 14px;border:1px solid var(--line);border-radius:var(--radius-pill);
  background:#fff;width:220px;transition:border-color .2s,box-shadow .2s;
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}
.nav-search svg{width:15px;height:15px;color:var(--text-muted);flex-shrink:0}
.nav-search input{
  border:0;background:transparent;outline:none;width:100%;
  font-size:.875rem;color:var(--text);height:100%;
}
.nav-search input::placeholder{color:var(--text-muted)}
.nav-link{font-size:.9375rem;font-weight:600;color:var(--text-body);white-space:nowrap}
.nav-link:hover{color:var(--brand)}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;
  background:#fff;align-items:center;justify-content:center;
}
.nav-toggle svg{width:20px;height:20px;color:var(--ink)}

/* drawer */
.nav-drawer{
  position:fixed;inset:0;z-index:120;background:var(--bg);
  display:none;flex-direction:column;padding:20px;
  overflow-y:auto;
}
.nav-drawer.is-open{display:flex}
.nav-drawer__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.nav-drawer__close{
  width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:#fff;
  display:flex;align-items:center;justify-content:center;
}
.nav-drawer__close svg{width:20px;height:20px;color:var(--ink)}
.drawer-search{
  display:flex;align-items:center;gap:8px;height:48px;padding:0 16px;
  border:1px solid var(--line);border-radius:var(--radius-pill);background:#fff;margin-bottom:12px;
}
.drawer-search input{border:0;outline:none;background:transparent;width:100%;font-size:.9375rem;color:var(--text)}
.drawer-search svg{width:16px;height:16px;color:var(--text-muted)}
.drawer-nav{display:flex;flex-direction:column;margin:8px 0 20px}
.drawer-nav a{
  height:56px;display:flex;align-items:center;justify-content:space-between;
  font-size:1rem;font-weight:600;color:var(--text);border-bottom:1px solid var(--line);
}
.drawer-nav a.is-active{color:var(--brand)}
.drawer-nav a svg{width:16px;height:16px;color:var(--text-muted)}
.drawer-cta{display:flex;flex-direction:column;gap:12px;margin-top:auto;padding-top:12px}
.drawer-cta .btn{width:100%}

/* ---------- hero ---------- */
.page-hero{
  position:relative;
  padding:88px 0 72px;
  text-align:center;
  background-image:linear-gradient(180deg,rgba(251,249,246,.94),rgba(251,249,246,.98)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.hero-inner{max-width:760px;margin:0 auto;padding:0 20px}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.75rem;font-weight:700;letter-spacing:.12em;color:var(--brand-dark);
  background:var(--brand-soft);padding:6px 14px;border-radius:var(--radius-pill);margin-bottom:22px;
}
.hero-eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--brand);display:inline-block}
.page-hero h1{
  font-size:clamp(2rem,3.4vw,2.9rem);
  line-height:1.15;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--text);
  margin-bottom:18px;
}
.page-hero .lead{
  font-size:1.0625rem;line-height:1.8;color:var(--text-body);
  max-width:600px;margin:0 auto;
}
.hero-meta{
  display:flex;flex-wrap:wrap;justify-content:center;gap:10px 28px;
  margin-top:28px;font-size:.875rem;color:var(--text-muted);
}
.hero-meta span{display:inline-flex;align-items:center;gap:8px}
.hero-meta b{color:var(--text);font-weight:800;font-size:1rem}
.hero-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:32px}

/* ---------- steps ---------- */
.steps-wrap{max-width:900px;margin:0 auto}
.steps{position:relative;padding-left:0}
.steps::before{
  content:"";position:absolute;left:23px;top:18px;bottom:18px;width:1px;
  background:linear-gradient(180deg,var(--line),var(--brand-soft) 20%,var(--line));
}
.step{
  position:relative;display:flex;gap:28px;padding:0 0 44px 0;
}
.step:last-child{padding-bottom:0}
.step__index{
  position:relative;z-index:1;flex-shrink:0;
  width:48px;height:48px;border-radius:50%;
  background:var(--bg);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:.9375rem;color:var(--brand);
  box-shadow:var(--shadow-1);
  transition:border-color .2s,background .2s;
}
.step:hover .step__index{border-color:var(--brand);background:var(--brand-soft)}
.step__body{flex:1;padding-top:4px}
.step__body h3{
  font-size:1.1875rem;line-height:1.4;font-weight:800;letter-spacing:-.01em;
  color:var(--text);margin-bottom:10px;
}
.step__body p{font-size:1rem;line-height:1.85;color:var(--text-body);margin-bottom:12px}
.step__body p:last-child{margin-bottom:0}
.step__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.step__thumb{
  margin-top:16px;border-radius:var(--radius-img);overflow:hidden;
  background:var(--bg-warm);max-width:520px;
}
.step__thumb img{width:100%;aspect-ratio:16/9;object-fit:cover}

/* ---------- tutorial cards ---------- */
.tut-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.tut-card{
  display:flex;gap:0;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .2s cubic-bezier(.2,.8,.2,1),box-shadow .2s,border-color .2s;
}
.tut-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#d8d1c8}
.tut-card__media{width:38%;flex-shrink:0;background:var(--bg-warm);overflow:hidden}
.tut-card__media img{
  width:100%;height:100%;aspect-ratio:4/5;object-fit:cover;
  transition:transform .26s cubic-bezier(.2,.8,.2,1);
}
.tut-card:hover .tut-card__media img{transform:scale(1.04)}
.tut-card__body{padding:22px 22px 20px;display:flex;flex-direction:column;gap:10px}
.tut-card__body h3{
  font-size:1.0625rem;line-height:1.4;font-weight:800;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.tut-card__body p{
  font-size:.9375rem;line-height:1.75;color:var(--text-muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.tut-card__foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px}
.tut-card__foot span{font-size:.8125rem;color:var(--text-muted)}
.arrow{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:700;font-size:.875rem;
  transition:transform .2s cubic-bezier(.2,.8,.2,1);
}
.tut-card:hover .arrow{transform:translateX(4px)}
.arrow svg{width:14px;height:14px}

/* ---------- clip rail ---------- */
.clip-band{background:var(--bg-warm);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.rail-wrap{position:relative}
.rail-wrap::after{
  content:"";position:absolute;right:0;top:0;bottom:12px;width:72px;pointer-events:none;
  background:linear-gradient(90deg,rgba(241,237,231,0),var(--bg-warm));
}
.clip-rail{
  display:flex;gap:24px;overflow-x:auto;padding-bottom:12px;
  scroll-snap-type:x mandatory;-ms-overflow-style:none;scrollbar-width:none;
}
.clip-rail::-webkit-scrollbar{display:none}
.clip-card{
  flex:0 0 320px;scroll-snap-align:start;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .2s cubic-bezier(.2,.8,.2,1),box-shadow .2s;
}
.clip-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.clip-card__media{position:relative;background:var(--bg-warm)}
.clip-card__media img{width:100%;aspect-ratio:16/9;object-fit:cover}
.clip-card__time{
  position:absolute;right:12px;bottom:12px;
  background:rgba(16,16,16,.82);color:#fff;font-size:.75rem;font-weight:700;
  padding:3px 9px;border-radius:6px;letter-spacing:.04em;
}
.clip-card__body{padding:20px}
.clip-card__body .badge{margin-bottom:12px}
.clip-card__body h3{font-size:1.0625rem;font-weight:800;color:var(--text);line-height:1.4;margin-bottom:8px}
.clip-card__body p{font-size:.9375rem;color:var(--text-muted);line-height:1.75}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#fff;padding:72px 0 0;margin-top:0}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1.3fr;gap:40px 32px;
  padding-bottom:56px;
}
.footer-brand .brand__mark{background:rgba(255,255,255,.08)}
.footer-brand .brand__name{color:#fff}
.footer-brand p{margin-top:16px;font-size:.875rem;line-height:1.8;color:rgba(255,255,255,.6);max-width:34ch}
.footer-social{display:flex;gap:10px;margin-top:20px}
.footer-social a{
  width:36px;height:36px;border-radius:10px;border:1px solid rgba(255,255,255,.16);
  display:inline-flex;align-items:center;justify-content:center;color:rgba(255,255,255,.7);
  transition:background .2s,color .2s,border-color .2s;
}
.footer-social a:hover{background:var(--brand);border-color:var(--brand);color:#fff}
.footer-social svg{width:17px;height:17px}
.footer-col h4{
  font-size:.8125rem;font-weight:700;letter-spacing:.08em;color:#fff;margin-bottom:18px;
}
.footer-col ul li{margin-bottom:11px}
.footer-col ul li a{font-size:.875rem;color:rgba(255,255,255,.62)}
.footer-col ul li a:hover{color:#fff}
.footer-sub p{font-size:.875rem;line-height:1.75;color:rgba(255,255,255,.6);margin-bottom:16px}
.footer-form{display:flex;gap:8px}
.footer-form input{
  flex:1;min-width:0;height:44px;padding:0 14px;border-radius:8px;
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);
  color:#fff;font-size:.875rem;outline:none;transition:border-color .2s,box-shadow .2s;
}
.footer-form input::placeholder{color:rgba(255,255,255,.4)}
.footer-form input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(240,82,43,.28)}
.footer-form .btn{height:44px;padding:0 18px;font-size:.875rem}
.footer-note{margin-top:12px;font-size:.75rem;color:rgba(255,255,255,.35);line-height:1.7}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 28px;display:flex;flex-wrap:wrap;gap:12px 24px;
  align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.45);
}
.footer-bottom nav{display:flex;gap:20px}
.footer-bottom a{color:rgba(255,255,255,.45)}
.footer-bottom a:hover{color:#fff}

/* reveal */
.reveal{opacity:0;transform:translateY(8px);transition:opacity .26s cubic-bezier(.2,.8,.2,1),transform .26s cubic-bezier(.2,.8,.2,1)}
.reveal.is-in-view{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  :root{--sec-pad:88px}
  .nav-search{width:200px}
  .nav-main{gap:20px}
}
@media (max-width:1023px){
  :root{--sec-pad:72px;--gutter:20px}
  .nav-main,.nav-actions{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .nav-shell{height:68px;gap:16px}
  .tut-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px 24px}
  .page-hero{padding:64px 0 56px}
}
@media (max-width:767px){
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .step{gap:18px;padding-bottom:36px}
  .steps::before{left:19px}
  .step__index{width:40px;height:40px;font-size:.875rem}
}
@media (max-width:639px){
  :root{--sec-pad:56px}
  .wrap{padding-left:20px;padding-right:20px}
  .page-hero{padding:48px 0 44px}
  .hero-meta{gap:8px 18px;font-size:.8125rem}
  .hero-actions .btn{width:100%}
  .tut-card{flex-direction:column}
  .tut-card__media{width:100%}
  .tut-card__media img{aspect-ratio:16/9}
  .clip-card{flex:0 0 78vw}
  .rail-wrap::after{width:48px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category3 */
:root{
  --brand:#F0522B;
  --brand-dark:#C63A18;
  --brand-soft:#FDEAE3;
  --lime:#D8F34A;
  --paper:#FBF9F6;
  --warm:#F1EDE7;
  --ink:#101010;
  --title:#141414;
  --text:#5A5652;
  --muted:#8C8781;
  --line:#E4DED6;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --shadow-1:0 1px 2px rgba(16,16,16,.06);
  --shadow-2:0 10px 30px -12px rgba(16,16,16,.18);
  --ease:cubic-bezier(.2,.8,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--title);font-weight:800;letter-spacing:-.02em;line-height:1.25}
h1{font-size:clamp(2rem,3.4vw,2.9rem);line-height:1.15}
h2{font-size:clamp(1.5rem,2.2vw,2rem)}
h3{font-size:1.0938rem;line-height:1.4}
p{margin:0}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;cursor:pointer;border:0;background:none}
input,textarea,select{font:inherit}
strong{color:var(--title);font-weight:700}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media (min-width:640px){.wrap{padding:0 32px}}
@media (min-width:1024px){.wrap{padding:0 48px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(251,249,246,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 8px 24px -20px rgba(16,16,16,.55)}
.header-inner{display:flex;align-items:center;gap:26px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand__mark{width:34px;height:34px;border-radius:10px;background:var(--ink);display:grid;place-items:center;flex-shrink:0}
.brand__mark svg{width:20px;height:20px;display:block}
.brand__name{font-size:1.0625rem;font-weight:800;letter-spacing:-.01em;color:var(--title);white-space:nowrap}
.nav-main{display:flex;align-items:center;gap:24px;margin-right:auto}
.nav-main a{position:relative;font-size:.9375rem;color:var(--text);padding:6px 0;transition:color .2s var(--ease);white-space:nowrap}
.nav-main a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;
  transition:transform .22s var(--ease);
}
.nav-main a:hover{color:var(--title)}
.nav-main a:hover::after,.nav-main a.is-active::after{transform:scaleX(1)}
.nav-main a.is-active{color:var(--title);font-weight:700}
.nav-main a:focus-visible{outline:2px solid var(--brand);outline-offset:4px;border-radius:4px}
.header-actions{display:flex;align-items:center;gap:12px}
.search{
  display:flex;align-items:center;gap:4px;height:40px;width:232px;
  padding:0 5px 0 14px;border-radius:999px;background:var(--warm);
  border:1px solid transparent;transition:border-color .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease);
}
.search:focus-within{background:#fff;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}
.search input{flex:1;min-width:0;height:100%;border:0;background:transparent;outline:none;font-size:.875rem;color:var(--title)}
.search input::placeholder{color:var(--muted)}
.search button{
  width:30px;height:30px;flex-shrink:0;border-radius:50%;background:var(--ink);color:#fff;
  display:grid;place-items:center;transition:background .2s var(--ease),transform .2s var(--ease);
}
.search button:hover{background:var(--brand)}
.search button svg{width:14px;height:14px}
.link-login{font-size:.9375rem;color:var(--text);transition:color .2s var(--ease)}
.link-login:hover{color:var(--brand)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:999px;border:1.5px solid transparent;
  font-size:.9375rem;font-weight:700;letter-spacing:.01em;
  transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:none;box-shadow:var(--shadow-1)}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.btn:focus-visible{outline:2px solid var(--lime);outline-offset:3px}
.btn-sm{height:40px;padding:0 20px;font-size:.875rem}
.btn-ghost-sm{height:40px;padding:0 18px;border-radius:999px;border:1.5px solid var(--ink);color:var(--ink);font-size:.875rem;font-weight:600;display:inline-flex;align-items:center;transition:all .22s var(--ease)}
.btn-ghost-sm:hover{background:var(--ink);color:#fff}
.btn-ghost-sm:focus-visible{outline:2px solid var(--brand);outline-offset:3px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;background:var(--warm);
  align-items:center;justify-content:center;margin-left:auto;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;border-radius:2px}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* drawer */
.drawer{
  position:fixed;inset:0;z-index:120;background:var(--paper);
  display:flex;flex-direction:column;padding:18px 20px 28px;
  transform:translateX(102%);transition:transform .28s var(--ease);
}
.drawer.is-open{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px}
.drawer-close{width:42px;height:42px;border-radius:12px;background:var(--warm);display:grid;place-items:center;font-size:1.2rem;color:var(--title)}
.drawer .search{width:100%;height:46px;margin-bottom:12px}
.drawer-nav{display:flex;flex-direction:column;margin-bottom:auto}
.drawer-nav a{height:56px;display:flex;align-items:center;justify-content:space-between;font-size:1rem;color:var(--title);border-bottom:1px solid var(--line)}
.drawer-nav a.is-active{color:var(--brand);font-weight:700}
.drawer-nav a span{color:var(--muted);font-size:.8125rem}
.drawer-actions{display:flex;flex-direction:column;gap:12px;margin-top:24px}
.drawer-actions .btn,.drawer-actions .btn-ghost-sm{width:100%;height:48px}

@media (max-width:1023px){
  .nav-main,.header-actions{display:none}
  .nav-toggle{display:flex}
  .header-inner{height:64px}
}
@media (min-width:1024px){
  .drawer{display:none}
}

/* ---------- generic sections ---------- */
.section{padding:96px 0}
@media (max-width:1023px){.section{padding:72px 0}}
@media (max-width:639px){.section{padding:56px 0}}
.section--warm{background:var(--warm)}
.section--paper{background:var(--paper)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.section-head p{color:var(--text);font-size:1rem;max-width:620px;margin-top:10px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;
  border-radius:999px;background:var(--brand-soft);color:var(--brand-dark);
  font-size:.75rem;font-weight:700;letter-spacing:.06em;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:700;font-size:.9375rem;border-bottom:2px solid var(--brand);padding-bottom:2px;transition:color .2s var(--ease)}
.link-arrow:hover{color:var(--brand-dark);border-color:var(--brand-dark)}
.link-arrow i{font-style:normal;transition:transform .22s var(--ease)}
.link-arrow:hover i{transform:translateX(4px)}

/* ---------- hero ---------- */
.cat-hero{position:relative;padding:56px 0 72px;overflow:hidden}
.cat-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(to right,rgba(16,16,16,.05) 1px,transparent 1px),linear-gradient(to bottom,rgba(16,16,16,.05) 1px,transparent 1px);
  background-size:64px 64px;
  opacity:.5;
  mask-image:radial-gradient(circle at 30% 20%,#000 0%,transparent 70%);
  -webkit-mask-image:radial-gradient(circle at 30% 20%,#000 0%,transparent 70%);
}
.cat-hero .wrap{position:relative;z-index:1}
.hero-copy h1{margin:18px 0 0}
.hero-copy .lead{margin-top:16px;font-size:1.0625rem;line-height:1.8;color:var(--text);max-width:520px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-facts{display:flex;flex-wrap:wrap;gap:20px;margin-top:36px}
.hero-facts li{position:relative;padding-left:20px;font-size:.875rem;color:var(--muted)}
.hero-facts li::before{content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;border-radius:50%;background:var(--brand)}
.hero-facts strong{font-weight:800;color:var(--title);font-variant-numeric:tabular-nums}
.hero-media{position:relative;margin-top:36px}
.hero-media__frame{
  position:relative;border-radius:var(--r-lg);overflow:hidden;background:var(--warm);
  box-shadow:var(--shadow-2);
}
.hero-media__frame img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .3s var(--ease)}
.hero-media__frame:hover img{transform:scale(1.02)}
.hero-float{
  position:absolute;left:16px;bottom:16px;z-index:2;
  background:rgba(251,249,246,.95);border:1px solid var(--line);
  border-radius:14px;padding:14px 18px;box-shadow:var(--shadow-1);
  backdrop-filter:blur(6px);
}
.hero-float .num{font-size:1.5rem;font-weight:800;color:var(--title);font-variant-numeric:tabular-nums;line-height:1.1}
.hero-float .lbl{font-size:.75rem;letter-spacing:.06em;color:var(--muted);margin-top:4px}
@media (min-width:1024px){
  .cat-hero{padding:72px 0 88px}
  .hero-media{margin-top:0}
}

/* ---------- scene tabs ---------- */
.scene-strip{padding:0 0 8px;background:var(--paper)}
.scene-strip .wrap{padding-top:0}
.scene-lbl{font-size:.75rem;letter-spacing:.06em;color:var(--muted);margin-bottom:12px}
.scene-tabs{display:flex;gap:10px;overflow-x:auto;padding:2px 0 16px;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.scene-tabs::-webkit-scrollbar{display:none}
.scene-tab{
  flex:0 0 auto;height:40px;padding:0 18px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:var(--text);
  font-size:.9375rem;display:inline-flex;align-items:center;
  transition:all .2s var(--ease);
}
.scene-tab:hover{border-color:var(--brand);color:var(--brand-dark)}
.scene-tab.is-on{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:700;box-shadow:var(--shadow-1)}

/* ---------- split rows ---------- */
.split{display:grid;grid-template-columns:1fr;gap:28px;align-items:center}
.split__media{border-radius:var(--r-lg);overflow:hidden;background:var(--warm);box-shadow:var(--shadow-1)}
.split__media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .3s var(--ease)}
.split__media:hover img{transform:scale(1.03)}
.split__body h3{font-size:clamp(1.25rem,1.9vw,1.625rem);margin:14px 0 0;line-height:1.3}
.split__body p{margin-top:14px;color:var(--text)}
.point-list{margin-top:20px;display:grid;gap:10px}
.point-list li{position:relative;padding-left:26px;font-size:.9375rem;color:var(--text)}
.point-list li::before{
  content:"";position:absolute;left:0;top:.68em;width:12px;height:2px;border-radius:2px;background:var(--brand);
}
.split + .split{margin-top:56px}
@media (max-width:1023px){.split + .split{margin-top:48px}}
@media (min-width:1024px){
  .split{grid-template-columns:5fr 7fr;gap:56px}
  .split--rev .split__media{order:2}
  .split--rev{gap:56px}
}

/* ---------- metrics ---------- */
.metrics-band{background:var(--warm);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.metrics{display:grid;grid-template-columns:1fr;gap:28px}
.metric{padding-left:22px;border-left:2px solid var(--brand)}
.metric__num{font-size:clamp(1.9rem,3.2vw,2.6rem);font-weight:800;color:var(--title);line-height:1.1;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.metric__num small{font-size:.5em;font-weight:700;margin-left:4px;color:var(--brand)}
.metric__lbl{margin-top:8px;font-size:.9375rem;color:var(--muted)}
@media (min-width:768px){
  .metrics{grid-template-columns:repeat(3,1fr);gap:0}
  .metric{padding:6px 32px}
  .metric + .metric{border-left:1px solid var(--line)}
  .metric:first-child{border-left:2px solid var(--brand);padding-left:24px}
}

/* ---------- voices ---------- */
.voice-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:28px 26px;height:100%;display:flex;flex-direction:column;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.voice-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.voice-card .quote{font-size:2.2rem;line-height:1;font-weight:800;color:var(--brand);margin-bottom:10px}
.voice-card blockquote{margin:0;font-size:.9688rem;line-height:1.85;color:var(--text)}
.voice-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:22px;padding-top:18px;border-top:1px solid var(--line)}
.voice-who{font-size:.875rem;color:var(--title);font-weight:700}
.voice-who span{display:block;font-weight:400;color:var(--muted);font-size:.8125rem;margin-top:2px}
.stars{color:var(--brand);letter-spacing:2px;font-size:.875rem;white-space:nowrap}

/* ---------- faq ---------- */
.faq{porder:0;border-top:1px solid var(--line);max-width:900px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:64px;padding:14px 4px;cursor:pointer;list-style:none;
  font-size:1rem;font-weight:700;color:var(--title);
  transition:color .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand-dark)}
.faq-item summary:focus-visible{outline:2px solid var(--brand);outline-offset:4px;border-radius:6px}
.faq-item summary::after{
  content:"+";flex-shrink:0;width:26px;text-align:center;
  font-size:1.35rem;font-weight:400;color:var(--brand);line-height:1;
  transition:transform .2s var(--ease);
}
.faq-item[open] summary::after{content:"−"}
.faq-item .faq-answer{padding:0 46px 22px 4px;font-size:.9688rem;line-height:1.8;color:var(--text)}

/* ---------- dark cta ---------- */
.cta-dark{background:var(--ink);color:rgba(255,255,255,.74);padding:80px 0;position:relative;overflow:hidden}
.cta-dark h2{color:#fff}
.cta-dark .lime-line{width:64px;height:3px;border-radius:2px;background:var(--lime);margin-bottom:22px}
.cta-dark p{margin-top:16px;max-width:520px;color:rgba(255,255,255,.72)}
.cta-dark .hero-cta{margin-top:30px}
.cta-dark .btn-ghost{border-color:rgba(255,255,255,.7);color:#fff}
.cta-dark .btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff}
.cta-badge{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;border-radius:6px;
  background:var(--lime);color:var(--ink);font-size:.75rem;font-weight:800;letter-spacing:.06em;margin-bottom:18px;
}
.cta-visual{margin-top:36px}
.cta-visual img{
  width:100%;max-width:280px;aspect-ratio:9/16;object-fit:cover;border-radius:var(--r-md);
  transform:rotate(-2deg);box-shadow:0 20px 50px -24px rgba(0,0,0,.9);
}
@media (min-width:1024px){
  .cta-dark{padding:96px 0}
  .cta-visual{margin-top:0;display:flex;justify-content:flex-end}
}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand .brand__name{color:#fff}
.footer-brand p{font-size:.9375rem;line-height:1.8;color:rgba(255,255,255,.6);max-width:320px}
.footer-social{display:flex;gap:10px;margin-top:20px}
.footer-social a{
  width:38px;height:38px;border-radius:10px;border:1px solid rgba(255,255,255,.16);
  display:grid;place-items:center;color:rgba(255,255,255,.72);
  transition:all .2s var(--ease);
}
.footer-social a:hover{background:var(--brand);border-color:var(--brand);color:#fff;transform:translateY(-2px)}
.footer-social svg{width:17px;height:17px}
.footer-col h4{color:#fff;font-size:.9375rem;margin-bottom:14px;letter-spacing:.01em}
.footer-col a{display:block;padding:6px 0;font-size:.9375rem;color:rgba(255,255,255,.66);transition:color .2s var(--ease)}
.footer-col a:hover{color:#fff}
.footer-sub h4{color:#fff;font-size:.9375rem;margin-bottom:14px}
.footer-sub p{font-size:.875rem;color:rgba(255,255,255,.55);margin-bottom:14px}
.footer-form{display:flex;gap:8px;flex-wrap:wrap}
.footer-form input{
  flex:1;min-width:150px;height:46px;padding:0 14px;border-radius:8px;
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.04);
  color:#fff;font-size:.875rem;outline:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.footer-form input::placeholder{color:rgba(255,255,255,.38)}
.footer-form input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(240,82,43,.25)}
.footer-form button{
  height:46px;padding:0 22px;border-radius:8px;background:var(--brand);color:#fff;
  font-size:.875rem;font-weight:700;transition:background .2s var(--ease),transform .2s var(--ease);
}
.footer-form button:hover{background:var(--brand-dark);transform:translateY(-2px)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);margin-top:56px;padding:22px 0;
  display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.55);transition:color .2s var(--ease)}
.footer-bottom a:hover{color:#fff}
.footer-bottom .policies{display:flex;gap:18px;flex-wrap:wrap}
@media (min-width:640px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px}
}
@media (min-width:1024px){
  .footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr 1.4fr;gap:40px}
  .site-footer{padding:80px 0 0}
}

/* ---------- motion ---------- */
.reveal{opacity:0;transform:translateY(8px);transition:opacity .26s var(--ease),transform .26s var(--ease)}
.reveal.is-in-view{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: category4 */
:root{
  --brand:#F0522B;
  --brand-dark:#C63A18;
  --brand-soft:#FDEAE3;
  --lime:#D8F34A;
  --bg:#FBF9F6;
  --bg-warm:#F1EDE7;
  --ink:#101010;
  --text:#141414;
  --muted:#5A5652;
  --faint:#8C8781;
  --line:#E4DED6;
  --r-card:16px;
  --r-img:12px;
  --r-btn:999px;
  --shadow-1:0 1px 2px rgba(16,16,16,.06);
  --shadow-2:0 10px 30px -12px rgba(16,16,16,.18);
  --ease:cubic-bezier(.2,.8,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
body.nav-open{overflow:hidden}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;color:var(--text)}
h1{font-size:clamp(2rem,3.4vw,2.9rem);line-height:1.15}
h2{font-size:clamp(1.5rem,2.2vw,2rem);line-height:1.25}
h3{font-size:1.0625rem;line-height:1.4}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
img{display:block;max-width:100%;height:auto}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
table{border-collapse:collapse}
::selection{background:var(--brand);color:#fff}

.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media (min-width:640px){.wrap{padding:0 32px}}
@media (min-width:1280px){.wrap{padding:0 48px}}

.section{padding:56px 0}
@media (min-width:640px){.section{padding:72px 0}}
@media (min-width:1024px){.section{padding:96px 0}}
.section--tight{padding:40px 0}
@media (min-width:1024px){.section--tight{padding:56px 0}}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.75rem;letter-spacing:.06em;color:var(--brand-dark);
  background:var(--brand-soft);border-radius:6px;padding:4px 10px;font-weight:700;
}
.eyebrow::before{content:"";width:14px;height:2px;background:var(--brand);display:inline-block}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px}
.section-head p{color:var(--muted);max-width:640px;margin-top:10px;font-size:1rem}
.text-link{color:var(--brand);font-weight:700;border-bottom:2px solid currentColor;padding-bottom:2px}
.text-link:hover{color:var(--brand-dark)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-btn);
  font-weight:700;font-size:1rem;line-height:1;white-space:nowrap;
  transition:transform .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.btn--sm{height:40px;padding:0 20px;font-size:.9375rem}
.btn--primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-1)}
.btn--primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn--primary:active{transform:translateY(0)}
.btn--ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink)}
.btn--ghost:hover{background:var(--ink);color:#fff}
.btn--light{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.6)}
.btn--light:hover{background:#fff;color:var(--ink)}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--brand);outline-offset:3px;
}

/* 头部导航 */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(251,249,246,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 8px 24px -20px rgba(16,16,16,.55)}
.header-inner{display:flex;align-items:center;gap:24px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand__mark{
  width:34px;height:34px;border-radius:10px;background:var(--ink);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.brand__mark svg{width:22px;height:22px}
.brand__name{font-size:1.125rem;font-weight:800;letter-spacing:-.01em;color:var(--text)}
.nav-main{display:flex;align-items:center;gap:26px;margin-left:8px}
.nav-main a{
  position:relative;font-size:.9375rem;font-weight:600;color:var(--muted);
  padding:6px 0;transition:color .2s var(--ease);
}
.nav-main a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);
}
.nav-main a:hover{color:var(--text)}
.nav-main a:hover::after{transform:scaleX(1)}
.nav-main a.is-active{color:var(--text)}
.nav-main a.is-active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:14px;margin-left:auto}
.header-search{
  display:flex;align-items:center;gap:6px;height:40px;
  width:220px;padding:0 6px 0 16px;border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.header-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}
.header-search input{flex:1;min-width:0;border:0;background:none;outline:none;font-size:.875rem;color:var(--text)}
.header-search input::placeholder{color:var(--faint)}
.header-search button{
  width:28px;height:28px;border-radius:50%;background:var(--bg-warm);color:var(--ink);
  display:inline-flex;align-items:center;justify-content:center;transition:background-color .2s var(--ease),color .2s var(--ease);
}
.header-search button:hover{background:var(--brand);color:#fff}
.header-search svg{width:15px;height:15px}
.link-quiet{font-size:.9375rem;font-weight:600;color:var(--muted)}
.link-quiet:hover{color:var(--brand)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  align-items:center;justify-content:center;margin-left:auto;background:#fff;
}
.nav-toggle svg{width:20px;height:20px}
.drawer{display:none}
@media (max-width:1023px){
  .nav-main,.header-actions{display:none}
  .nav-toggle{display:inline-flex}
  .drawer{
    display:block;position:fixed;inset:72px 0 0 0;background:var(--bg);z-index:79;
    padding:24px 20px 40px;transform:translateY(-8px);opacity:0;pointer-events:none;
    transition:opacity .2s var(--ease),transform .2s var(--ease);
    overflow-y:auto;
  }
  .drawer.is-open{opacity:1;transform:translateY(0);pointer-events:auto}
  .drawer-search{
    display:flex;align-items:center;gap:8px;height:48px;border:1px solid var(--line);
    border-radius:var(--r-btn);background:#fff;padding:0 8px 0 18px;margin-bottom:20px;
  }
  .drawer-search input{flex:1;border:0;background:none;outline:none;font-size:.9375rem}
  .drawer-search button{
    height:36px;padding:0 18px;border-radius:var(--r-btn);background:var(--brand);color:#fff;font-weight:700;font-size:.875rem;
  }
  .drawer-nav{display:flex;flex-direction:column;border-top:1px solid var(--line)}
  .drawer-nav a{
    display:flex;align-items:center;justify-content:space-between;
    height:56px;border-bottom:1px solid var(--line);font-size:1rem;font-weight:600;color:var(--text);
  }
  .drawer-nav a.is-active{color:var(--brand)}
  .drawer-nav a span{color:var(--faint);font-size:.8125rem}
  .drawer-actions{display:flex;flex-direction:column;gap:12px;margin-top:28px}
  .drawer-actions .btn{width:100%}
}

/* 首屏：搜索主导 */
.page-hero{
  position:relative;background:var(--bg-warm);
  padding:64px 0 72px;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(to right,rgba(16,16,16,.05) 1px,transparent 1px),linear-gradient(to bottom,rgba(16,16,16,.05) 1px,transparent 1px);
  background-size:64px 64px;
  opacity:.6;
}
.page-hero .wrap{position:relative;text-align:center}
.page-hero h1{margin:18px 0 0}
.page-hero .hero-sub{
  margin:16px auto 0;max-width:600px;color:var(--muted);font-size:clamp(1rem,1.4vw,1.125rem);line-height:1.8;
}
.hero-search{
  display:flex;align-items:center;gap:8px;
  width:100%;max-width:640px;margin:32px auto 0;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-btn);
  padding:6px 6px 6px 22px;box-shadow:var(--shadow-1);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.hero-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px var(--brand-soft)}
.hero-search input{flex:1;min-width:0;border:0;background:none;outline:none;font-size:1rem;height:46px;color:var(--text)}
.hero-search input::placeholder{color:var(--faint)}
.hero-search .btn{height:46px;padding:0 26px}
.hero-tags{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:22px}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:6px;
  background:#fff;border:1px solid var(--line);color:var(--muted);font-size:.8125rem;font-weight:600;
  transition:color .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease);
}
.tag:hover{color:var(--brand-dark);border-color:var(--brand);background:var(--brand-soft)}
@media (min-width:1024px){
  .page-hero{padding:80px 0 88px}
}

/* 分类锚点卡 */
.anchor-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
@media (max-width:1023px){.anchor-grid{grid-template-columns:repeat(2,1fr);gap:20px}}
@media (max-width:639px){.anchor-grid{grid-template-columns:1fr;gap:16px}}
.anchor-card{
  display:flex;flex-direction:column;gap:10px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 22px 20px;box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.anchor-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#D9D1C6}
.anchor-card__num{font-size:.75rem;font-weight:800;letter-spacing:.06em;color:var(--brand);font-variant-numeric:tabular-nums}
.anchor-card h3{font-size:1.0625rem}
.anchor-card p{color:var(--muted);font-size:.9375rem;line-height:1.7}
.anchor-card__more{
  margin-top:auto;padding-top:8px;display:inline-flex;align-items:center;gap:6px;
  font-size:.875rem;font-weight:700;color:var(--brand);
}
.anchor-card__more svg{width:14px;height:14px;transition:transform .2s var(--ease)}
.anchor-card:hover .anchor-card__more svg{transform:translateX(4px)}

/* 自查清单 */
.checklist{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1)}
.check-row{
  display:grid;grid-template-columns:72px 1fr 24px;align-items:start;gap:16px;
  padding:24px 24px;border-bottom:1px solid var(--line);
  transition:background-color .2s var(--ease);
}
.check-row:last-child{border-bottom:0}
.check-row:hover{background:#FDFBF8}
.check-row__num{
  font-size:1.25rem;font-weight:800;color:var(--brand);line-height:1.4;font-variant-numeric:tabular-nums;
  transition:color .2s var(--ease);
}
.check-row:hover .check-row__num{color:var(--brand-dark)}
.check-row h3{font-size:1.0625rem;margin-bottom:6px}
.check-row p{color:var(--muted);font-size:.9375rem;line-height:1.75}
.check-row__arrow{display:flex;align-items:center;justify-content:flex-end;color:var(--faint);height:100%}
.check-row__arrow svg{width:16px;height:16px;transition:transform .2s var(--ease),color .2s var(--ease)}
.check-row:hover .check-row__arrow svg{transform:translateX(4px);color:var(--brand)}
@media (max-width:639px){
  .check-row{grid-template-columns:52px 1fr;padding:20px 18px}
  .check-row__arrow{display:none}
  .check-row__num{font-size:1.05rem}
}

/* FAQ 手风琴 */
.faq-shell{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);padding:8px 24px}
.faq-group + .faq-group{border-top:1px solid var(--line)}
.faq-group__title{
  display:flex;align-items:center;gap:10px;padding:26px 0 10px;
  font-size:.8125rem;font-weight:800;letter-spacing:.06em;color:var(--brand-dark);
}
.faq-group__title::before{content:"";width:16px;height:2px;background:var(--brand);display:inline-block}
.acc-item{border-bottom:1px solid var(--line)}
.acc-item:last-child{border-bottom:0}
.acc-q{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  width:100%;min-height:64px;padding:16px 0;text-align:left;
  font-size:1rem;font-weight:700;color:var(--text);line-height:1.6;
  transition:color .2s var(--ease);
}
.acc-q:hover{color:var(--brand-dark)}
.acc-icon{position:relative;width:18px;height:18px;flex:0 0 auto}
.acc-icon::before,.acc-icon::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;
  transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.acc-icon::before{left:0;top:8px;width:18px;height:2px}
.acc-icon::after{left:8px;top:0;width:2px;height:18px}
.acc-item.is-open .acc-icon::after{transform:scaleY(0);opacity:0}
.acc-a{max-height:0;overflow:hidden;transition:max-height .22s var(--ease)}
.acc-a p{padding:0 0 22px;color:var(--muted);font-size:.9375rem;line-height:1.85;max-width:820px}
.acc-a ul{padding:0 0 22px;max-width:820px}
.acc-a li{position:relative;padding-left:18px;color:var(--muted);font-size:.9375rem;line-height:1.85;margin-bottom:6px}
.acc-a li::before{content:"";position:absolute;left:0;top:12px;width:6px;height:6px;border-radius:50%;background:var(--brand)}

/* 联系卡 */
.contact-band{background:var(--bg-warm);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.contact-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:48px;align-items:center}
@media (max-width:1023px){.contact-grid{grid-template-columns:1fr;gap:32px}}
.contact-copy h2{margin-bottom:14px}
.contact-copy p{color:var(--muted);max-width:560px}
.contact-points{margin:22px 0 28px;display:grid;gap:10px}
.contact-points li{display:flex;align-items:flex-start;gap:10px;color:var(--muted);font-size:.9375rem}
.contact-points li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);margin-top:11px;flex:0 0 auto}
.contact-actions{display:flex;flex-wrap:wrap;gap:12px}
.contact-media{position:relative;border-radius:var(--r-img);overflow:hidden;background:var(--bg-warm);box-shadow:var(--shadow-2)}
.contact-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.contact-media__badge{
  position:absolute;left:16px;top:16px;background:var(--ink);color:var(--lime);
  font-size:.75rem;font-weight:700;letter-spacing:.06em;padding:5px 12px;border-radius:6px;
}
@media (max-width:639px){
  .contact-actions .btn{width:100%}
}

/* 页脚 */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:72px 0 0;font-size:.9375rem}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr 1.3fr;gap:40px}
@media (max-width:1023px){.footer-grid{grid-template-columns:1fr 1fr;gap:36px}}
@media (max-width:639px){.footer-grid{grid-template-columns:1fr;gap:32px}}
.site-footer .brand__mark{background:rgba(255,255,255,.12)}
.site-footer .brand__name{color:#fff}
.footer-brand p{margin-top:16px;line-height:1.8;color:rgba(255,255,255,.62);max-width:300px;font-size:.9375rem}
.footer-social{display:flex;gap:10px;margin-top:20px}
.footer-social a{
  width:36px;height:36px;border-radius:10px;border:1px solid rgba(255,255,255,.16);
  display:inline-flex;align-items:center;justify-content:center;color:rgba(255,255,255,.7);
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.footer-social a:hover{background:var(--brand);border-color:var(--brand);color:#fff}
.footer-social svg{width:17px;height:17px}
.footer-col h4{font-size:.875rem;letter-spacing:.06em;color:#fff;margin-bottom:16px;font-weight:800}
.footer-col li{margin-bottom:10px}
.footer-col a{color:rgba(255,255,255,.66);font-size:.9375rem}
.footer-col a:hover{color:#fff}
.footer-sub h4{font-size:.875rem;letter-spacing:.06em;color:#fff;margin-bottom:16px;font-weight:800}
.footer-sub p{color:rgba(255,255,255,.6);font-size:.875rem;line-height:1.75;margin-bottom:14px}
.footer-form{display:flex;gap:8px}
.footer-form input{
  flex:1;min-width:0;height:44px;border-radius:8px;border:1px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.06);color:#fff;padding:0 14px;outline:none;font-size:.875rem;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.footer-form input::placeholder{color:rgba(255,255,255,.42)}
.footer-form input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(240,82,43,.28)}
.footer-form button{
  height:44px;padding:0 20px;border-radius:8px;background:var(--brand);color:#fff;font-weight:700;font-size:.875rem;
  transition:background-color .2s var(--ease);
}
.footer-form button:hover{background:var(--brand-dark)}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 26px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.5)}
.footer-bottom a:hover{color:#fff}
.footer-bottom__links{display:flex;gap:18px}

/* 动效与无障碍 */
.reveal{opacity:0;transform:translateY(8px);transition:opacity .26s var(--ease),transform .26s var(--ease)}
.reveal.is-in-view{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}