/* roulang page: index */
:root{
  --c-ink:#14161A;
  --c-accent:#F5C400;
  --c-accent-hover:#FFD83A;
  --c-accent-press:#D9AC00;
  --c-steel:#3E4A5A;
  --c-muted:#767E8A;
  --c-bg:#F4F5F7;
  --c-surface:#FFFFFF;
  --c-line:#E6E8EC;
  --c-body:#3A4048;
  --c-ok:#2E7D5B;
  --c-err:#C4552B;
  --r-card:14px;
  --r-btn:10px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(20,22,26,.06),0 8px 24px rgba(20,22,26,.06);
  --sh-2:0 12px 32px rgba(20,22,26,.12);
  --sh-3:0 16px 48px rgba(20,22,26,.16);
  --sp-1:8px;--sp-2:12px;--sp-3:16px;--sp-4:24px;--sp-5:32px;--sp-6:48px;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"Barlow","Inter","PingFang SC","Helvetica Neue",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--c-body);
  background:var(--c-bg);
  padding-bottom:64px;
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden;}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-ink);text-decoration:none;transition:color .2s ease-out,background-color .2s ease-out;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;color:var(--c-ink);letter-spacing:-.01em;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;}
:focus-visible{outline:3px solid rgba(245,196,0,.45);outline-offset:2px;}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (max-width:991.98px){.wrap{padding:0 20px;}}
@media (max-width:575.98px){.wrap{padding:0 16px;}}
.section{padding:96px 0;}
@media (max-width:991.98px){.section{padding:64px 0;}}
@media (max-width:575.98px){.section{padding:48px 0;}}
.section--dark{background:var(--c-ink);color:rgba(255,255,255,.78);}
.section--dark h2,.section--dark h3{color:#fff;}

/* 头部导航 */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1060;background:transparent;transition:background-color .22s ease-out,box-shadow .22s ease-out;}
.nav-inner{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;height:72px;transition:height .22s ease-out;}
.nav-left,.nav-right{display:flex;align-items:center;gap:26px;}
.nav-right{justify-content:flex-end;}
.nav-link{position:relative;display:inline-flex;align-items:center;font-size:14.5px;font-weight:500;color:rgba(255,255,255,.82);padding:10px 2px;min-height:44px;white-space:nowrap;}
.nav-link::after{content:"";position:absolute;left:0;bottom:6px;height:2px;width:0;background:var(--c-accent);transition:width .2s ease-out;}
.nav-link:hover{color:#fff;}
.nav-link:hover::after{width:100%;}
.nav-link.is-active{font-weight:700;color:#fff;}
.nav-link.is-active::after{width:100%;}
.brand{display:flex;align-items:center;justify-content:center;gap:10px;min-width:220px;}
.brand-mark{width:34px;height:34px;border-radius:8px;background:var(--c-accent);display:grid;place-items:center;flex:0 0 34px;transition:transform .2s ease-out;}
.brand:hover .brand-mark{transform:translateY(-1px);}
.brand-mark svg{width:19px;height:19px;display:block;}
.brand-name{font-size:17px;font-weight:700;color:#fff;white-space:nowrap;letter-spacing:-.01em;}
.burger{display:none;width:40px;height:40px;border:1px solid rgba(255,255,255,.35);border-radius:10px;background:transparent;align-items:center;justify-content:center;cursor:pointer;}
.burger span{display:block;width:18px;height:2px;background:#fff;position:relative;transition:background .2s ease-out;}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:#fff;transition:transform .2s ease-out;}
.burger span::before{top:-6px;}
.burger span::after{top:6px;}
.site-header.is-scrolled{background:#fff;box-shadow:var(--sh-1);border-bottom:1px solid var(--c-line);}
.site-header.is-scrolled .nav-inner{height:64px;}
.site-header.is-scrolled .nav-link{color:var(--c-body);}
.site-header.is-scrolled .nav-link:hover{color:var(--c-ink);}
.site-header.is-scrolled .nav-link.is-active{color:var(--c-ink);}
.site-header.is-scrolled .brand-name{color:var(--c-ink);}
.site-header.is-scrolled .burger{border-color:var(--c-line);}
.site-header.is-scrolled .burger span,
.site-header.is-scrolled .burger span::before,
.site-header.is-scrolled .burger span::after{background:var(--c-ink);}
@media (max-width:991.98px){
  .nav-inner{display:flex;justify-content:space-between;align-items:center;}
  .nav-left,.nav-right{display:none;}
  .brand{justify-content:flex-start;min-width:0;}
  .burger{display:flex;}
}
/* 移动抽屉 */
.drawer{position:fixed;inset:0;z-index:1050;background:#fff;transform:translateY(100%);visibility:hidden;transition:transform .22s ease-out,visibility .22s;padding:92px 20px 28px;overflow-y:auto;}
.drawer.is-open{transform:translateY(0);visibility:visible;}
.drawer-nav a{display:flex;align-items:center;justify-content:space-between;height:56px;font-size:18px;font-weight:600;color:var(--c-ink);border-bottom:1px solid var(--c-line);}
.drawer-nav a i{color:var(--c-muted);font-size:14px;}
.drawer-nav a.is-active{color:var(--c-ink);}
.drawer-nav a.is-active i{color:var(--c-accent);}
.drawer .btn-main{width:100%;justify-content:center;margin-top:24px;}
.drawer-mask{position:fixed;inset:0;z-index:1049;background:rgba(20,22,26,.5);opacity:0;visibility:hidden;transition:opacity .22s ease-out,visibility .22s;}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* 按钮与链接 */
.btn-main{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:14px 28px;font-size:16px;font-weight:700;border-radius:var(--r-btn);background:var(--c-accent);color:var(--c-ink);border:0;cursor:pointer;transition:background-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out,color .2s ease-out;}
.btn-main:hover{background:var(--c-accent-hover);color:var(--c-ink);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-main:active{background:var(--c-accent-press);transform:translateY(0);box-shadow:none;}
.btn-main[disabled],.btn-main.is-disabled{opacity:.45;pointer-events:none;}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:14px 28px;font-size:16px;font-weight:600;border-radius:var(--r-btn);background:transparent;border:1.5px solid rgba(255,255,255,.62);color:#fff;cursor:pointer;transition:background-color .2s ease-out,color .2s ease-out,transform .2s ease-out;}
.btn-ghost:hover{background:#fff;color:var(--c-ink);transform:translateY(-1px);}
.btn-outline{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:12px 24px;font-size:15px;font-weight:600;border-radius:var(--r-btn);border:1.5px solid var(--c-ink);background:transparent;color:var(--c-ink);cursor:pointer;transition:background-color .2s ease-out,color .2s ease-out;}
.btn-outline:hover{background:var(--c-ink);color:#fff;}
.link-more{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--c-ink);border-bottom:2px solid var(--c-accent);padding-bottom:3px;min-height:44px;transition:border-width .2s ease-out,color .2s ease-out;}
.link-more:hover{border-bottom-width:4px;color:var(--c-ink);}
.link-more--light{color:#fff;}
.link-more--light:hover{color:#fff;}

/* 区块标题 */
.sec-head{max-width:780px;margin-bottom:40px;}
.sec-head h2{position:relative;font-size:28px;line-height:1.3;font-weight:700;padding-left:18px;margin-bottom:12px;}
.sec-head h2::before{content:"";position:absolute;left:0;top:.24em;width:4px;height:.92em;background:var(--c-accent);border-radius:2px;}
.sec-head p{font-size:15px;color:var(--c-muted);margin:0;}
.section--dark .sec-head p{color:rgba(255,255,255,.6);}
.sec-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;}
@media (max-width:767.98px){
  .sec-head h2{font-size:23px;}
  .sec-head--row{flex-direction:column;align-items:flex-start;gap:12px;}
}

/* Hero */
.hero{position:relative;min-height:580px;display:flex;align-items:center;background:var(--c-ink);overflow:hidden;padding:112px 0 64px;}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;background-repeat:no-repeat;}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(100deg,rgba(20,22,26,.9) 0%,rgba(20,22,26,.74) 46%,rgba(20,22,26,.52) 100%);}
.hero-inner{position:relative;display:grid;grid-template-columns:repeat(12,1fr);gap:24px;align-items:center;width:100%;}
.hero-copy{grid-column:1 / span 6;}
.hero-aside{grid-column:8 / span 5;}
.hero-badge{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--c-ink);background:var(--c-accent);border-radius:6px;padding:5px 12px;margin-bottom:20px;}
.hero h1{font-size:clamp(30px,4.2vw,48px);line-height:1.2;font-weight:700;letter-spacing:-.02em;color:#fff;margin-bottom:18px;}
@media (min-width:768px){.hero h1{white-space:nowrap;}}
.hero-sub{font-size:17px;line-height:1.7;color:rgba(255,255,255,.76);max-width:520px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px;}
.trust{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:0;}
.trust li{font-size:13.5px;color:rgba(255,255,255,.7);padding:0 14px;border-left:1px solid rgba(255,255,255,.24);line-height:1.4;}
.trust li:first-child{border-left:0;padding-left:0;}
.trust li i{color:var(--c-accent);margin-right:6px;}
.hero-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--r-card);padding:26px;backdrop-filter:blur(2px);}
.hero-card__title{font-size:15px;font-weight:600;color:rgba(255,255,255,.72);letter-spacing:.02em;margin-bottom:16px;}
.hero-link{display:flex;align-items:center;gap:14px;padding:14px 12px;border-radius:10px;border:1px solid transparent;transition:background-color .2s ease-out,border-color .2s ease-out,transform .2s ease-out;min-height:44px;}
.hero-link + .hero-link{border-top:1px solid rgba(255,255,255,.12);}
.hero-link:hover{background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.16);transform:translateX(2px);}
.hero-link__ico{width:38px;height:38px;flex:0 0 38px;border-radius:10px;background:rgba(245,196,0,.14);border:1px solid rgba(245,196,0,.42);display:grid;place-items:center;color:var(--c-accent);font-size:15px;}
.hero-link__txt{display:flex;flex-direction:column;flex:1;min-width:0;}
.hero-link__txt strong{font-size:15.5px;font-weight:600;color:#fff;line-height:1.4;}
.hero-link__txt em{font-style:normal;font-size:13px;color:rgba(255,255,255,.6);line-height:1.5;}
.hero-link__go{color:rgba(255,255,255,.45);font-size:13px;}
.hero-link:hover .hero-link__go{color:var(--c-accent);}
@media (max-width:991.98px){
  .hero{min-height:0;padding:104px 0 56px;background-position:top center;}
  .hero-bg{background-size:100% auto;background-position:top center;}
  .hero-overlay{background:linear-gradient(180deg,rgba(20,22,26,.9) 0%,rgba(20,22,26,.88) 60%,rgba(20,22,26,.92) 100%);}
  .hero-copy{grid-column:1 / -1;}
  .hero-aside{grid-column:1 / -1;}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%;}
}
@media (max-width:575.98px){
  .trust{flex-direction:column;align-items:flex-start;gap:8px;}
  .trust li{border-left:0;padding-left:0;}
}

/* 卖点三连（非对称栅格） */
.feature-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.feat-card{grid-column:span 5;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-1);transition:box-shadow .2s ease-out,transform .2s ease-out;display:flex;flex-direction:column;}
.feat-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.feat-card--lg{grid-column:span 7;grid-row:span 2;padding:0;overflow:hidden;}
.feat-card--lg img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.feat-card--lg .feat-body{padding:28px;display:flex;flex-direction:column;flex:1;}
.feat-icon{width:40px;height:40px;border-radius:10px;border:1.5px solid var(--c-accent);background:rgba(245,196,0,.12);display:grid;place-items:center;color:var(--c-ink);font-size:15px;margin-bottom:16px;}
.feat-card h3{font-size:19px;line-height:1.4;font-weight:600;margin-bottom:10px;}
.feat-card p{font-size:15px;line-height:1.75;color:var(--c-muted);margin:0;}
@media (max-width:991.98px){
  .feat-card,.feat-card--lg{grid-column:span 12;grid-row:auto;}
}

/* 场景演示 */
.zig{display:grid;grid-template-columns:repeat(12,1fr);gap:48px;align-items:center;}
.zig + .zig{margin-top:64px;padding-top:64px;border-top:1px dashed var(--c-line);}
.zig-media{grid-column:span 6;}
.zig-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:12px;border:1px solid rgba(20,22,26,.08);box-shadow:var(--sh-1);}
.zig-copy{grid-column:span 6;}
.zig--rev .zig-media{order:2;}
.zig-copy h3{font-size:21px;font-weight:600;margin-bottom:14px;}
.zig-copy .zig-lead{font-size:15.5px;color:var(--c-muted);margin-bottom:18px;}
.tick-list{list-style:none;margin-bottom:22px;}
.tick-list li{position:relative;padding-left:24px;margin-bottom:10px;font-size:15.5px;line-height:1.75;}
.tick-list li::before{content:"";position:absolute;left:0;top:.66em;width:8px;height:8px;border-radius:2px;background:var(--c-accent);}
@media (max-width:991.98px){
  .zig{gap:24px;}
  .zig-media,.zig-copy{grid-column:span 12;}
  .zig--rev .zig-media{order:0;}
}

/* 社会认同 */
.proof-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:32px;margin-top:40px;}
.stats{grid-column:span 5;display:grid;grid-template-columns:1fr 1fr;gap:28px 16px;align-content:start;}
.stat-num{font-family:var(--font-num);font-size:40px;font-weight:700;line-height:1.05;color:var(--c-accent);font-variant-numeric:tabular-nums;letter-spacing:-.01em;}
.stat-label{font-size:12.5px;color:rgba(255,255,255,.6);margin-top:8px;line-height:1.6;}
.quotes{grid-column:span 7;display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.quote{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:22px;transition:background-color .2s ease-out;}
.quote:hover{background:rgba(255,255,255,.12);}
.quote p{font-size:15px;line-height:1.8;color:rgba(255,255,255,.9);margin:0 0 14px;}
.quote span{font-size:13px;color:rgba(255,255,255,.55);}
.quote--wide{grid-column:span 2;}
@media (max-width:991.98px){
  .stats{grid-column:span 12;}
  .quotes{grid-column:span 12;}
}
@media (max-width:575.98px){
  .quotes{grid-template-columns:1fr;}
  .quote--wide{grid-column:span 1;}
  .stat-num{font-size:32px;}
}

/* 资讯列表 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{position:relative;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform .2s ease-out,box-shadow .2s ease-out;height:100%;}
.news-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--c-accent);transform:scaleX(0);transform-origin:left;transition:transform .2s ease-out;}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.news-card:hover::before{transform:scaleX(1);}
.news-card__link{display:flex;flex-direction:column;height:100%;}
.news-card__thumb{position:relative;background:#EEF0F3;}
.news-card__thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.badge-accent{display:inline-block;background:rgba(245,196,0,.92);color:var(--c-ink);font-size:12px;font-weight:600;padding:4px 10px;border-radius:6px;line-height:1.4;}
.news-card__thumb .badge-accent{position:absolute;left:12px;bottom:12px;}
.news-card__body{padding:20px;display:flex;flex-direction:column;flex:1;}
.news-card__body h3{font-size:17px;font-weight:600;line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card__body p{font-size:14px;line-height:1.7;color:var(--c-muted);margin:0 0 16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card__meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--c-muted);padding-top:12px;border-top:1px solid var(--c-line);}
.news-card:hover .news-card__body h3{text-decoration:underline;text-decoration-color:var(--c-accent);text-decoration-thickness:3px;text-underline-offset:4px;}
.news-empty{grid-column:1 / -1;min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;padding:32px;text-align:center;background:var(--c-surface);border:1px dashed var(--c-line);border-radius:var(--r-card);}
.news-empty i{font-size:48px;color:#C9CED6;}
.news-empty p{margin:0;font-size:14px;color:var(--c-muted);}
.news-empty span{font-size:13px;color:#9AA1AB;}
@media (max-width:1199.98px){.news-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:767.98px){.news-grid{grid-template-columns:1fr;gap:16px;}}

/* FAQ */
.faq{background:var(--c-surface);border:1px solid var(--c-line);border-radius:14px;box-shadow:var(--sh-1);overflow:hidden;}
.faq details{border-bottom:1px solid var(--c-line);}
.faq details:last-child{border-bottom:0;}
.faq summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 24px;font-size:17px;font-weight:600;color:var(--c-ink);cursor:pointer;list-style:none;min-height:44px;}
.faq summary::-webkit-details-marker{display:none;}
.faq summary .ico{flex:0 0 24px;width:24px;height:24px;border-radius:50%;border:1.5px solid var(--c-accent);color:var(--c-ink);display:grid;place-items:center;font-size:12px;transition:background-color .2s ease-out,transform .2s ease-out;}
.faq details[open] summary .ico{background:var(--c-accent);transform:rotate(180deg);}
.faq .faq-body{margin:0 24px 22px 24px;padding-left:16px;border-left:3px solid var(--c-accent);font-size:15px;line-height:1.8;color:var(--c-body);}
.faq .faq-body p:last-child{margin-bottom:0;}

/* CTA 区块 */
.cta-band{background:var(--c-ink);border-radius:14px;padding:48px;display:grid;grid-template-columns:repeat(12,1fr);gap:32px;align-items:center;}
.cta-copy{grid-column:span 5;}
.cta-copy h2{font-size:26px;line-height:1.35;color:#fff;margin-bottom:14px;}
.cta-copy p{font-size:15px;color:rgba(255,255,255,.68);margin:0;}
.cta-form{grid-column:span 7;}
.form-row{display:grid;grid-template-columns:1fr 1fr auto;gap:12px;}
.form-control-x{height:48px;width:100%;padding:0 14px;font-size:15px;color:var(--c-ink);background:#fff;border:1px solid #D9DDE3;border-radius:10px;transition:border-color .2s ease-out,box-shadow .2s ease-out;}
.form-control-x::placeholder{color:#9AA1AB;}
.form-control-x:focus{outline:none;border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(245,196,0,.28);}
.form-control-x.is-error{border-color:var(--c-err);}
.form-tip{font-size:12.5px;color:rgba(255,255,255,.5);margin-top:12px;}
.form-msg{font-size:13px;margin-top:10px;display:none;}
.form-msg.is-ok{display:block;color:#63C79A;}
.form-msg.is-err{display:block;color:#E58A66;}
@media (max-width:991.98px){
  .cta-band{padding:32px 24px;}
  .cta-copy,.cta-form{grid-column:span 12;}
  .form-row{grid-template-columns:1fr;}
}

/* 页脚 */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.72);padding:64px 0 0;border-top:1px solid rgba(255,255,255,.08);}
.footer-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:32px;}
.footer-brand{grid-column:span 2;}
.footer-brand .brand{justify-content:flex-start;min-width:0;}
.footer-brand .brand-name{color:#fff;}
.footer-desc{font-size:14px;line-height:1.75;color:rgba(255,255,255,.6);margin:16px 0 18px;max-width:320px;}
.socials{display:flex;gap:10px;}
.socials a{width:40px;height:40px;border-radius:10px;display:grid;place-items:center;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);color:rgba(255,255,255,.8);font-size:15px;transition:background-color .2s ease-out,color .2s ease-out,transform .2s ease-out;}
.socials a:hover{background:var(--c-accent);color:var(--c-ink);transform:translateY(-2px);}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-col a,.footer-col span{display:block;position:relative;font-size:14px;color:rgba(255,255,255,.72);padding:6px 0;transition:color .2s ease-out,padding-left .2s ease-out;}
.footer-col a:hover{color:#fff;padding-left:18px;}
.footer-col a:hover::before{content:"";position:absolute;left:0;top:50%;width:12px;height:2px;background:var(--c-accent);transform:translateY(-50%);}
.footer-bottom{margin-top:48px;border-top:1px solid rgba(255,255,255,.08);padding:20px 0 24px;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:13px;color:rgba(255,255,255,.5);}
.footer-bottom .to-top{width:40px;height:40px;flex:0 0 40px;border:0;border-radius:10px;background:var(--c-accent);color:var(--c-ink);display:grid;place-items:center;cursor:pointer;transition:background-color .2s ease-out,transform .2s ease-out;}
.footer-bottom .to-top:hover{background:var(--c-accent-hover);transform:translateY(-2px);}
@media (max-width:991.98px){
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px;}
  .footer-brand{grid-column:span 2;}
}
@media (max-width:575.98px){
  .site-footer{padding-top:48px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-brand{grid-column:span 1;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* 底部固定转化条 */
.bottom-bar{position:fixed;left:0;right:0;bottom:0;z-index:1040;background:var(--c-ink);border-top:1px solid rgba(255,255,255,.12);transform:translateY(100%);transition:transform .22s ease-out;}
.bottom-bar.is-visible{transform:translateY(0);}
.bottom-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:64px;}
.bottom-inner p{margin:0;font-size:16px;font-weight:500;color:#fff;display:flex;align-items:center;gap:10px;}
.bottom-inner p i{color:var(--c-accent);}
.bottom-actions{display:flex;align-items:center;gap:18px;}
.bottom-actions .btn-main{min-height:44px;padding:10px 22px;font-size:15px;}
@media (max-width:767.98px){
  body{padding-bottom:56px;}
  .bottom-inner{height:56px;gap:12px;}
  .bottom-inner p{font-size:13px;}
  .bottom-inner p span{max-width:9em;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;}
  .bottom-actions{flex:1;justify-content:flex-end;gap:10px;}
  .bottom-actions .btn-main{flex:0 0 40%;padding:10px 12px;font-size:14px;}
  .bottom-actions .link-more{display:none;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --c-ink:#14161A;
  --c-accent:#F5C400;
  --c-accent-hover:#FFD83A;
  --c-accent-press:#D9AC00;
  --c-steel:#3E4A5A;
  --c-muted:#767E8A;
  --c-body:#3A4048;
  --c-bg:#F4F5F7;
  --c-surface:#FFFFFF;
  --c-line:#E6E8EC;
  --c-line-2:#D9DDE3;
  --c-ok:#2E7D5B;
  --c-err:#C4552B;
  --r-card:14px;
  --r-btn:10px;
  --r-badge:6px;
  --sp-1:8px; --sp-2:12px; --sp-3:16px; --sp-4:24px; --sp-5:32px; --sp-6:48px;
  --sh-1:0 1px 2px rgba(20,22,26,.06),0 8px 24px rgba(20,22,26,.06);
  --sh-2:0 12px 32px rgba(20,22,26,.12);
  --sh-3:0 16px 48px rgba(20,22,26,.16);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"Inter","Barlow","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--c-body);
  background:var(--c-bg);
  padding-bottom:96px;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--c-ink);text-decoration:none;transition:color .2s ease-out}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--c-ink);letter-spacing:-.02em}
p{margin:0}
ul,ol{margin:0;padding:0}
table{border-collapse:collapse}
:focus-visible{outline:3px solid rgba(245,196,0,.55);outline-offset:2px;border-radius:4px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-weight:700}

/* ---------- 头部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
.site-header.is-scrolled{background:#fff;border-bottom-color:var(--c-line);box-shadow:0 1px 2px rgba(20,22,26,.06),0 8px 24px rgba(20,22,26,.06)}
.nav-inner{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  gap:24px;height:72px;transition:height .22s ease-out;
}
.site-header.is-scrolled .nav-inner{height:64px}
.nav-left,.nav-right{display:flex;align-items:center;gap:26px}
.nav-right{justify-content:flex-end}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:#3A4048;
  padding:6px 2px;line-height:1.4;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;
  background:var(--c-accent);transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease-out;
}
.nav-link:hover{color:var(--c-ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--c-ink);font-weight:700}
.nav-link.is-active::after{transform:scaleX(1)}
.brand{display:inline-flex;align-items:center;gap:10px;min-width:220px;justify-content:center}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:9px;
  background:var(--c-accent);display:grid;place-items:center;
}
.brand-mark svg{width:20px;height:20px}
.brand-name{font-size:19px;font-weight:700;color:var(--c-ink);letter-spacing:-.01em}
.burger{
  display:none;width:40px;height:40px;border:1px solid var(--c-line);
  background:#fff;border-radius:10px;position:relative;
}
.burger span,.burger span::before,.burger span::after{
  position:absolute;left:11px;width:18px;height:2px;background:var(--c-ink);content:"";
}
.burger span{top:19px}
.burger span::before{top:-6px;left:0}
.burger span::after{top:6px;left:0}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(20,22,26,.5);z-index:1040;opacity:0;transition:opacity .22s ease-out}
.drawer-mask.is-show{opacity:1}
.drawer{
  position:fixed;top:0;left:0;right:0;z-index:1050;background:#fff;
  border-radius:0 0 18px 18px;padding:16px 20px 24px;
  transform:translateY(-12px);opacity:0;visibility:hidden;
  transition:transform .22s ease-out,opacity .22s ease-out,visibility .22s;
  box-shadow:var(--sh-3);
}
.drawer.is-open{transform:translateY(0);opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:12px;border-bottom:1px solid var(--c-line)}
.drawer-close{width:40px;height:40px;border:1px solid var(--c-line);background:#fff;border-radius:10px;color:var(--c-ink);font-size:16px}
.drawer-nav{display:flex;flex-direction:column;margin:8px 0 16px}
.drawer-nav a{
  font-size:18px;line-height:56px;border-bottom:1px solid var(--c-line);font-weight:500;color:var(--c-ink);
}
.drawer-nav a.is-active{font-weight:700;color:var(--c-ink);box-shadow:inset 12px 0 0 -8px var(--c-accent)}
.drawer-cta{display:block;text-align:center;width:100%}

/* ---------- 按钮体系 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:14px 28px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;border:1.5px solid transparent;
  cursor:pointer;transition:transform .2s ease-out,background .2s ease-out,box-shadow .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.btn-primary{background:var(--c-accent);color:var(--c-ink);border-color:var(--c-accent)}
.btn-primary:hover{background:var(--c-accent-hover);border-color:var(--c-accent-hover);transform:translateY(-1px);box-shadow:var(--sh-2);color:var(--c-ink)}
.btn-primary:active{background:var(--c-accent-press);border-color:var(--c-accent-press);transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.7)}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-1px)}
.btn-outline{background:transparent;color:var(--c-ink);border-color:var(--c-ink)}
.btn-outline:hover{background:var(--c-ink);color:#fff}
.btn-sm{min-height:44px;padding:10px 20px;font-size:14px}
.btn-text{
  display:inline-block;color:var(--c-ink);font-weight:600;
  border-bottom:2px solid var(--c-accent);padding-bottom:2px;
  transition:border-bottom-width .2s ease-out,color .2s ease-out;
}
.btn-text:hover{border-bottom-width:4px}
.btn-text.on-dark{color:#fff}
[disabled],.is-disabled{opacity:.45;pointer-events:none}

/* ---------- 内页头部 ---------- */
.page-head{
  position:relative;margin-top:72px;background:var(--c-ink);
  background-image:linear-gradient(100deg,rgba(20,22,26,.86),rgba(20,22,26,.62)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  color:#fff;
}
.page-head .wrap{padding-top:34px;padding-bottom:38px;max-width:1200px}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.68)}
.crumbs a{color:rgba(255,255,255,.78)}
.crumbs a:hover{color:#fff}
.crumbs .sep{color:rgba(255,255,255,.36)}
.crumbs .current{color:#fff;max-width:640px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(245,196,0,.16);color:#F5C400;
  font-size:12px;font-weight:700;letter-spacing:.04em;
  padding:5px 12px;border-radius:var(--r-badge);
}
.post-title{
  font-size:clamp(26px,3.2vw,36px);line-height:1.35;font-weight:700;
  color:#fff;margin:16px 0 14px;max-width:900px;letter-spacing:-.02em;
}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:rgba(255,255,255,.7)}
.post-meta .dot{color:rgba(255,255,255,.35)}

/* ---------- 文章主体布局 ---------- */
main{display:block}
.article-shell{padding:48px 0 88px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start}
.article-col{min-width:0}
.hero-figure{margin:0 0 32px;background:#fff;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--c-line);box-shadow:var(--sh-1)}
.hero-figure img{width:100%;aspect-ratio:16/9;object-fit:cover}
.hero-figure figcaption{font-size:13px;color:var(--c-muted);padding:10px 16px;border-top:1px solid var(--c-line)}
.panel{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1)}

/* ---------- 正文排版 ---------- */
.post-body{max-width:780px;margin:0 auto;font-size:16px;line-height:1.85;color:var(--c-body);background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:36px 40px;box-shadow:var(--sh-1)}
.post-body p{margin:0 0 1.4em}
.post-body h2{
  font-size:22px;font-weight:600;line-height:1.4;color:var(--c-ink);
  margin:40px 0 16px;padding-left:12px;border-left:4px solid var(--c-accent);
}
.post-body h3{font-size:18px;font-weight:600;color:var(--c-ink);margin:28px 0 12px}
.post-body h2:first-child,.post-body h3:first-child{margin-top:0}
.post-body a{color:var(--c-ink);border-bottom:2px solid var(--c-accent);font-weight:600}
.post-body a:hover{border-bottom-width:4px}
.post-body ul,.post-body ol{margin:0 0 1.4em;padding-left:2px;list-style:none}
.post-body ul li{position:relative;padding-left:20px;margin-bottom:8px}
.post-body ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;background:var(--c-accent);border-radius:2px;
}
.post-body ol{counter-reset:li;padding-left:0}
.post-body ol li{position:relative;padding-left:28px;margin-bottom:8px;counter-increment:li}
.post-body ol li::before{
  content:counter(li);position:absolute;left:0;top:0;color:var(--c-accent);font-weight:700;
  font-family:var(--font-num);
}
.post-body blockquote{
  margin:24px 0;padding:16px 20px;background:#FAFAF8;
  border-left:3px solid var(--c-accent);border-radius:0 10px 10px 0;color:#3A4048;
}
.post-body blockquote p:last-child{margin-bottom:0}
.post-body img{width:100%;border-radius:10px;margin:24px 0 8px}
.post-body figure{margin:0}
.post-body figcaption,.post-body .caption{font-size:13px;color:var(--c-muted);text-align:center;margin-bottom:24px}
.post-body table{display:block;width:100%;overflow-x:auto;font-size:14px;margin:24px 0}
.post-body thead th{background:var(--c-ink);color:#fff;font-weight:600;padding:12px 14px;text-align:left;white-space:nowrap}
.post-body tbody td{padding:12px 14px;border-bottom:1px solid var(--c-line)}
.post-body tbody tr:nth-child(even){background:#F7F8F9}
.post-body hr{border:0;border-top:1px dashed var(--c-line-2);margin:32px 0}

/* ---------- 空态 ---------- */
.empty-state{
  max-width:780px;margin:0 auto;background:#fff;border:1px dashed var(--c-line-2);
  border-radius:var(--r-card);min-height:220px;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:10px;text-align:center;padding:32px 24px;
}
.empty-state i{font-size:44px;color:#C9CED6}
.empty-state strong{font-size:16px;color:var(--c-ink);font-weight:600}
.empty-state span{font-size:13px;color:var(--c-muted)}
.empty-state a{margin-top:8px}

/* ---------- 文末模块 ---------- */
.after-post{max-width:780px;margin:40px auto 0}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:32px}
.tag-row .label{font-size:13px;color:var(--c-muted)}
.tag{
  display:inline-block;font-size:13px;color:var(--c-steel);background:#fff;
  border:1px solid var(--c-line);border-radius:var(--r-badge);padding:6px 12px;
  transition:border-color .2s ease-out,color .2s ease-out,background .2s ease-out;
}
.tag:hover{border-color:var(--c-accent);color:var(--c-ink);background:rgba(245,196,0,.1)}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:44px}
.pager-card{
  display:block;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:20px;transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.pager-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#DDE1E7}
.pager-card .dir{font-size:12px;color:var(--c-muted);letter-spacing:.06em}
.pager-card .ttl{display:block;font-size:16px;font-weight:600;color:var(--c-ink);margin-top:8px;line-height:1.5}
.pager-card .ttl:hover{background:var(--c-accent);color:var(--c-ink);display:inline}
.block-title{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:20px}
.block-title h2{font-size:24px;font-weight:700}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.rel-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;position:relative;
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.rel-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--c-accent);
  transform:scaleX(0);transform-origin:left;transition:transform .2s ease-out;
}
.rel-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.rel-card:hover::before{transform:scaleX(1)}
.rel-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.rel-card .body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-card h3{font-size:17px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-card p{font-size:14px;line-height:1.7;color:var(--c-muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-card .meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--c-muted)}
.rel-card .meta i{color:var(--c-accent)}
.back-cat{display:inline-flex;align-items:center;gap:8px;margin-top:32px;font-weight:600}
.back-cat i{color:var(--c-accent)}

/* ---------- 侧栏 ---------- */
.sidebar{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1)}
.side-card h3{font-size:16px;font-weight:700;margin-bottom:6px}
.side-card .sub{font-size:13px;color:var(--c-muted);margin-bottom:14px}
.side-list{display:flex;flex-direction:column}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:14px;color:var(--c-steel);padding:12px 0;border-bottom:1px solid var(--c-line);
  transition:color .2s ease-out,padding-left .2s ease-out;
}
.side-list a:last-child{border-bottom:0}
.side-list a::before{content:"";width:0;height:2px;background:var(--c-accent);transition:width .2s ease-out}
.side-list a:hover{color:var(--c-ink);padding-left:4px}
.side-list a:hover::before{width:10px}
.side-list a span{display:flex;align-items:center;gap:8px}
.side-cta{background:var(--c-ink);border-color:var(--c-ink);color:#fff}
.side-cta h3{color:#fff}
.side-cta .sub{color:rgba(255,255,255,.66)}
.side-cta .btn{width:100%;margin-top:14px}
.side-stats{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:6px}
.side-stats div{border-left:3px solid var(--c-accent);padding-left:10px}
.side-stats strong{display:block;font-family:var(--font-num);font-size:22px;color:var(--c-ink)}
.side-cta .side-stats strong{color:#fff}
.side-stats span{font-size:12px;color:var(--c-muted)}
.side-cta .side-stats span{color:rgba(255,255,255,.6)}

/* ---------- 底部 CTA ---------- */
.cta-band{background:var(--c-ink);color:#fff;padding:88px 0}
.cta-inner{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center}
.cta-band h2{color:#fff;font-size:28px;line-height:1.35;margin-bottom:14px}
.cta-band p{color:rgba(255,255,255,.72);font-size:15px;max-width:560px}
.cta-points{display:flex;flex-wrap:wrap;gap:24px;margin-top:22px;font-size:14px;color:rgba(255,255,255,.78)}
.cta-points span{display:inline-flex;align-items:center;gap:8px}
.cta-points i{color:var(--c-accent)}
.cta-form{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--r-card);padding:26px}
.cta-form .row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:6px}
.control{
  width:100%;height:48px;padding:0 14px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.96);color:var(--c-ink);
  font-size:15px;transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.control::placeholder{color:#9AA1AB}
.control:focus{outline:none;border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(245,196,0,.35)}
.form-note{font-size:12px;color:rgba(255,255,255,.55);margin-top:10px}
.form-msg{font-size:13px;margin-top:10px;display:none}
.form-msg.ok{display:block;color:#7FD6B0}
.form-msg.bad{display:block;color:#F0A183}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:#fff;border-top:1px solid rgba(255,255,255,.08);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}
.footer-brand .brand{justify-content:flex-start;min-width:0}
.footer-brand .brand-name{color:#fff}
.site-footer .brand-mark svg path{fill:#14161A}
.footer-desc{font-size:14px;color:rgba(255,255,255,.68);margin:16px 0 18px;max-width:320px;line-height:1.75}
.socials{display:flex;gap:10px}
.socials a{
  width:40px;height:40px;border-radius:10px;display:grid;place-items:center;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);
  color:rgba(255,255,255,.8);transition:background .2s ease-out,color .2s ease-out;
}
.socials a:hover{background:var(--c-accent);color:var(--c-ink);border-color:var(--c-accent)}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-col a,.footer-col span{
  display:block;font-size:14px;color:rgba(255,255,255,.72);padding:6px 0;position:relative;
  transition:color .2s ease-out,padding-left .2s ease-out;
}
.footer-col a::before{
  content:"";position:absolute;left:0;top:50%;width:0;height:2px;background:var(--c-accent);
  transform:translateY(-50%);transition:width .2s ease-out;
}
.footer-col a:hover{color:#fff;padding-left:18px}
.footer-col a:hover::before{width:12px}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  font-size:13px;color:rgba(255,255,255,.55);
}
.to-top{
  width:40px;height:40px;border-radius:10px;border:0;background:var(--c-accent);
  color:var(--c-ink);cursor:pointer;transition:background .2s ease-out,transform .2s ease-out;
}
.to-top:hover{background:var(--c-accent-hover);transform:translateY(-1px)}

/* ---------- 底部固定转化条 ---------- */
.bottom-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:1020;background:var(--c-ink);
  border-top:1px solid rgba(255,255,255,.12);
  transform:translateY(100%);transition:transform .22s ease-out;
}
.bottom-bar.is-show{transform:translateY(0)}
.bottom-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:64px;padding-top:8px;padding-bottom:8px}
.bottom-text{font-size:16px;color:#fff;display:flex;align-items:center;gap:10px}
.bottom-text i{color:var(--c-accent)}
.bottom-actions{display:flex;align-items:center;gap:22px}
.bottom-bar .btn-text{color:#fff}

@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .sidebar{position:static;flex-direction:row;flex-wrap:wrap}
  .sidebar .side-card{flex:1 1 300px}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991px){
  .nav-left,.nav-right{display:none}
  .nav-inner{grid-template-columns:1fr auto auto;height:64px;gap:12px}
  .brand{justify-content:flex-start;min-width:0}
  .burger{display:block}
  .page-head{margin-top:64px}
  .page-head .wrap{padding-top:28px;padding-bottom:32px}
  .cta-inner{grid-template-columns:1fr;gap:32px}
  .cta-band{padding:64px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .post-body{padding:28px 24px}
}
@media (max-width:767px){
  body{padding-bottom:84px}
  .article-shell{padding:32px 0 64px}
  .rel-grid{grid-template-columns:1fr}
  .pager{grid-template-columns:1fr}
  .cta-form .row2{grid-template-columns:1fr}
  .cta-band h2{font-size:23px}
  .post-title{font-size:26px}
}
@media (max-width:575px){
  .wrap{padding:0 16px}
  .brand-name{font-size:17px}
  .brand-mark{width:30px;height:30px;flex:0 0 30px}
  .article-shell{padding:24px 0 56px}
  .post-body{padding:22px 18px;font-size:15px}
  .footer-grid{grid-template-columns:1fr}
  .cta-band{padding:48px 0}
  .bottom-inner{min-height:56px}
  .bottom-text{font-size:14px}
  .bottom-text .long{display:none}
  .bottom-actions{gap:14px}
  .bottom-bar .btn{min-height:44px;padding:10px 18px;font-size:14px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
}

/* roulang page: category1 */
:root{
  --c-ink:#14161A;
  --c-ink-2:#3A4048;
  --c-accent:#F5C400;
  --c-accent-h:#FFD83A;
  --c-accent-p:#D9AC00;
  --c-steel:#3E4A5A;
  --c-muted:#767E8A;
  --c-bg:#F4F5F7;
  --c-surface:#FFFFFF;
  --c-border:#E6E8EC;
  --c-line-dark:rgba(255,255,255,.12);
  --c-ok:#2E7D5B;
  --c-err:#C4552B;
  --r-card:14px;
  --r-btn:10px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(20,22,26,.06),0 8px 24px rgba(20,22,26,.06);
  --sh-2:0 12px 32px rgba(20,22,26,.12);
  --sh-3:0 16px 48px rgba(20,22,26,.16);
  --sp-1:8px;--sp-2:12px;--sp-3:16px;--sp-4:24px;--sp-5:32px;--sp-6:48px;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"Barlow","Inter",-apple-system,"PingFang SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink-2);
  background:var(--c-bg);
  padding-bottom:88px;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-ink);text-decoration:none;transition:color .2s ease-out;}
a:hover{color:var(--c-ink);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
::selection{background:var(--c-accent);color:var(--c-ink);}
:focus-visible{outline:3px solid rgba(245,196,0,.45);outline-offset:2px;border-radius:4px;}

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

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--c-border);
  transition:box-shadow .22s ease-out,height .22s ease-out;
}
.site-header.is-scrolled{box-shadow:0 4px 20px rgba(20,22,26,.08);}
.nav-inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  height:72px;
  transition:height .22s ease-out;
}
.site-header.is-scrolled .nav-inner{height:64px;}
.nav-left{display:flex;align-items:center;gap:4px;justify-self:start;}
.nav-right{display:flex;align-items:center;gap:4px;justify-self:end;}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  height:44px;padding:0 14px;
  font-size:14.5px;font-weight:500;color:var(--c-ink-2);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:8px;
  height:2px;background:var(--c-accent);
  transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease-out;
}
.nav-link:hover{color:var(--c-ink);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--c-ink);font-weight:700;}
.nav-link.is-active::after{transform:scaleX(1);}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  min-width:220px;justify-content:center;
  justify-self:center;
}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-accent);border-radius:var(--r-badge);
}
.brand-mark svg{width:20px;height:20px;}
.brand-name{font-size:18px;font-weight:700;color:var(--c-ink);letter-spacing:.01em;white-space:nowrap;}
.burger{
  display:none;
  width:40px;height:40px;
  border:1px solid var(--c-border);background:#fff;border-radius:var(--r-btn);
  align-items:center;justify-content:center;cursor:pointer;
  justify-self:end;
}
.burger span{display:block;width:18px;height:2px;background:var(--c-ink);position:relative;}
.burger span::before,.burger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-ink);
}
.burger span::before{top:-6px;}
.burger span::after{top:6px;}

/* 抽屉 */
.drawer-backdrop{
  position:fixed;inset:0;background:rgba(20,22,26,.5);
  opacity:0;visibility:hidden;transition:opacity .22s ease-out,visibility .22s ease-out;
  z-index:1040;
}
.drawer-backdrop.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,360px);
  background:#fff;z-index:1050;
  display:flex;flex-direction:column;
  transform:translateY(-8px);opacity:0;visibility:hidden;
  transition:transform .22s ease-out,opacity .22s ease-out,visibility .22s ease-out;
  box-shadow:var(--sh-3);
}
.drawer.is-open{transform:translateY(0);opacity:1;visibility:visible;}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 20px;border-bottom:1px solid var(--c-border);
}
.drawer-close{
  width:40px;height:40px;border:1px solid var(--c-border);background:#fff;
  border-radius:var(--r-btn);cursor:pointer;color:var(--c-ink);font-size:16px;
}
.drawer-nav{flex:1;overflow-y:auto;padding:8px 0;}
.drawer-link{
  display:flex;align-items:center;
  height:56px;padding:0 20px;
  font-size:18px;color:var(--c-ink-2);
  border-bottom:1px solid rgba(20,22,26,.06);
}
.drawer-link.is-active{color:var(--c-ink);font-weight:700;box-shadow:inset 4px 0 0 var(--c-accent);}
.drawer-foot{padding:16px 20px 24px;border-top:1px solid var(--c-border);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:14px 28px;
  font-size:15px;font-weight:700;line-height:1;
  border:0;border-radius:var(--r-btn);
  cursor:pointer;text-decoration:none;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.btn-main{background:var(--c-accent);color:var(--c-ink);box-shadow:var(--sh-1);}
.btn-main:hover{background:var(--c-accent-h);color:var(--c-ink);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-main:active{background:var(--c-accent-p);transform:translateY(0);}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.55);}
.btn-ghost:hover{background:#fff;color:var(--c-ink);border-color:#fff;}
.btn-outline{background:transparent;color:var(--c-ink);border:1.5px solid var(--c-ink);}
.btn-outline:hover{background:var(--c-ink);color:#fff;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;}

.link-text{
  display:inline-flex;align-items:center;gap:6px;
  font-weight:600;font-size:15px;color:var(--c-ink);
  border-bottom:2px solid var(--c-accent);
  padding-bottom:2px;
  transition:border-width .18s ease-out;
}
.link-text:hover{border-bottom-width:4px;color:var(--c-ink);}
.link-text i{font-size:12px;}

/* ---------- 内页 Hero ---------- */
.page-hero{
  position:relative;
  min-height:280px;
  display:flex;align-items:center;
  background:#14161A;
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(20,22,26,.9) 0%,rgba(20,22,26,.72) 55%,rgba(20,22,26,.6) 100%);
}
.page-hero .wrap{position:relative;z-index:2;padding-top:44px;padding-bottom:44px;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.68);margin-bottom:18px;}
.crumb a{color:rgba(255,255,255,.68);}
.crumb a:hover{color:#fff;}
.crumb span.sep{color:rgba(255,255,255,.4);}
.crumb .cur{color:#fff;}
.hero-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 12px;border-radius:var(--r-badge);
  background:rgba(245,196,0,.14);
  border:1px solid rgba(245,196,0,.32);
  color:var(--c-accent);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
  margin-bottom:16px;
}
.page-hero h1{
  color:#fff;
  font-size:clamp(28px,3.6vw,42px);
  line-height:1.2;
  letter-spacing:-.02em;
  font-weight:700;
}
.page-hero .hero-sub{
  margin-top:14px;
  max-width:640px;
  color:rgba(255,255,255,.76);
  font-size:16px;line-height:1.8;
}
.hero-line{width:40px;height:4px;background:var(--c-accent);margin-top:20px;border-radius:2px;}

/* ---------- 顶部横条 ---------- */
.quickbar{background:#fff;border-bottom:1px solid var(--c-border);}
.quickbar-inner{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:0;
}
.quick-item{
  padding:22px 20px;
  border-right:1px solid var(--c-border);
  display:flex;flex-direction:column;gap:2px;
}
.quick-item:last-child{border-right:0;}
.quick-num{
  font-family:var(--font-num);
  font-size:28px;font-weight:700;line-height:1.2;
  color:var(--c-ink);font-variant-numeric:tabular-nums;
}
.quick-num em{font-style:normal;color:var(--c-accent);}
.quick-label{font-size:13px;color:var(--c-muted);}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{font-size:28px;line-height:1.3;letter-spacing:-.01em;}
.section-head .bar{width:40px;height:4px;background:var(--c-accent);border-radius:2px;margin-top:16px;}
.section-head p{margin-top:16px;font-size:16px;color:var(--c-ink-2);max-width:720px;}
.prose{max-width:760px;}
.prose p{font-size:16px;line-height:1.85;color:var(--c-ink-2);}
.prose p + p{margin-top:18px;}

/* ---------- 三列要点卡 ---------- */
.cards-3{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.spec-card{
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  display:flex;flex-direction:column;
  transition:transform .22s ease-out,box-shadow .22s ease-out;
}
.spec-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.spec-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:#EDEFF2;}
.spec-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.spec-card:hover .spec-media img{transform:scale(1.03);}
.spec-body{padding:22px 22px 26px;display:flex;flex-direction:column;gap:12px;flex:1;}
.icon-40{
  width:40px;height:40px;flex:0 0 40px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-badge);
  background:rgba(245,196,0,.12);
  color:#8A6D00;
  border:1px solid rgba(245,196,0,.35);
  font-size:16px;
}
.spec-body h3{font-size:19px;line-height:1.4;font-weight:600;}
.spec-body p{font-size:14.5px;line-height:1.75;color:var(--c-muted);}

/* ---------- 资料条目列表 ---------- */
.list-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;
}
.list-head h2{font-size:28px;}
.list-head .sub{margin-top:10px;font-size:15px;color:var(--c-muted);}
.entry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.entry{
  position:relative;
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  overflow:hidden;
  display:flex;flex-direction:column;
  box-shadow:var(--sh-1);
  transition:transform .22s ease-out,box-shadow .22s ease-out;
}
.entry::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--c-accent);
  transform:scaleX(0);transform-origin:left;transition:transform .22s ease-out;
  z-index:3;
}
.entry:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.entry:hover::before{transform:scaleX(1);}
.entry-media{aspect-ratio:16/9;overflow:hidden;background:#EDEFF2;}
.entry-media img{width:100%;height:100%;object-fit:cover;}
.entry-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.badge-tag{
  align-self:flex-start;
  display:inline-flex;align-items:center;
  padding:4px 10px;border-radius:var(--r-badge);
  background:rgba(245,196,0,.12);
  color:#8A6D00;
  font-size:12px;font-weight:600;
}
.entry-title{
  font-size:17px;font-weight:600;line-height:1.5;color:var(--c-ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.entry:hover .entry-title{background:var(--c-accent);box-shadow:0 0 0 3px var(--c-accent);}
.entry-desc{
  font-size:14px;line-height:1.7;color:var(--c-muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.entry-meta{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--c-border);
  display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--c-muted);
}
.entry-meta .go{color:var(--c-ink);font-size:13px;}

/* ---------- FAQ ---------- */
.faq-panel{
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.faq-item + .faq-item{border-top:1px solid var(--c-border);}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 24px;
  background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:17px;font-weight:600;color:var(--c-ink);
  position:relative;
  transition:background-color .2s ease-out;
}
.faq-q:hover{background:#FAFAF8;}
.faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;background:var(--c-accent);
  opacity:0;transition:opacity .2s ease-out;
}
.faq-item.is-open .faq-q::before{opacity:1;}
.faq-icon{
  flex:0 0 24px;width:24px;height:24px;border-radius:50%;
  background:rgba(245,196,0,.16);
  color:#8A6D00;font-size:12px;
  display:inline-flex;align-items:center;justify-content:center;
  transition:transform .22s ease-out,background-color .22s ease-out;
}
.faq-item.is-open .faq-icon{background:var(--c-accent);color:var(--c-ink);transform:rotate(180deg);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .26s ease-out;
}
.faq-a-inner{
  padding:0 24px 24px 24px;
  font-size:15px;line-height:1.8;color:var(--c-ink-2);
  border-left:3px solid var(--c-accent);
  margin-left:24px;
  padding-left:18px;
  padding-right:24px;
}
.faq-item.is-open .faq-a{max-height:340px;}

/* ---------- CTA 区 ---------- */
.cta-block{
  background:#14161A;
  border-radius:0;
  position:relative;
  overflow:hidden;
}
.cta-block::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
  opacity:.34;
}
.cta-block .wrap{position:relative;z-index:2;padding-top:72px;padding-bottom:72px;}
.cta-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
}
.cta-copy h2{color:#fff;font-size:28px;line-height:1.35;}
.cta-copy p{margin-top:16px;color:rgba(255,255,255,.74);font-size:15.5px;max-width:520px;}
.cta-points{margin-top:24px;display:flex;flex-wrap:wrap;gap:12px 24px;}
.cta-points li{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.8);}
.cta-points i{color:var(--c-accent);font-size:12px;}
.form-card{
  background:rgba(255,255,255,.06);
  border:1px solid var(--c-line-dark);
  border-radius:var(--r-card);
  padding:28px;
  backdrop-filter:blur(2px);
}
.form-card h3{color:#fff;font-size:18px;font-weight:600;margin-bottom:6px;}
.form-card .hint{font-size:13px;color:rgba(255,255,255,.6);margin-bottom:20px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.form-control{
  width:100%;height:48px;padding:0 14px;
  font-size:14.5px;color:#fff;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.2);
  border-radius:var(--r-btn);
  outline:none;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.form-control::placeholder{color:rgba(255,255,255,.45);}
.form-control:focus{border-color:var(--c-accent);box-shadow:0 0 0 2px rgba(245,196,0,.5);background:rgba(255,255,255,.12);}
.form-control.is-error{border-color:var(--c-err);}
.form-actions{margin-top:16px;display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.form-msg{margin-top:12px;font-size:12.5px;min-height:18px;}
.form-msg.err{color:#F09A76;}
.form-msg.ok{color:#7BD3AC;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#14161A;
  border-top:1px solid rgba(255,255,255,.08);
  color:rgba(255,255,255,.72);
  padding-top:64px;
}
.footer-grid{
  display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:48px;
}
.footer-brand .brand{justify-content:flex-start;min-width:0;}
.footer-brand .brand-name{color:#fff;}
.footer-desc{margin-top:16px;font-size:14px;color:rgba(255,255,255,.62);max-width:280px;line-height:1.75;}
.socials{margin-top:20px;display:flex;gap:10px;}
.socials a{
  width:40px;height:40px;border-radius:var(--r-btn);
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  color:rgba(255,255,255,.78);
  transition:background-color .2s ease-out,color .2s ease-out,transform .2s ease-out;
}
.socials a:hover{background:var(--c-accent);color:var(--c-ink);transform:translateY(-2px);}
.footer-col h4{font-size:15px;color:#fff;font-weight:600;margin-bottom:18px;}
.footer-col a,.footer-col span{
  display:block;font-size:14px;color:rgba(255,255,255,.72);
  padding:6px 0;line-height:1.6;position:relative;
  transition:color .2s ease-out,padding-left .2s ease-out;
}
.footer-col a:hover{color:#fff;padding-left:16px;}
.footer-col a:hover::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:12px;height:2px;background:var(--c-accent);
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0 24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}
.to-top{
  width:40px;height:40px;border-radius:var(--r-btn);
  background:var(--c-accent);color:var(--c-ink);border:0;cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;
  transition:background-color .2s ease-out,transform .2s ease-out;
}
.to-top:hover{background:var(--c-accent-h);transform:translateY(-2px);}

/* ---------- 底部固定转化条 ---------- */
.sticky-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;
  background:#14161A;
  border-top:1px solid rgba(255,255,255,.1);
  transform:translateY(100%);
  transition:transform .22s ease-out;
}
.sticky-bar.is-show{transform:translateY(0);}
.sticky-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:64px;
}
.sticky-text{font-size:16px;color:#fff;font-weight:600;}
.sticky-text span{color:rgba(255,255,255,.6);font-weight:400;font-size:14px;margin-left:12px;}
.sticky-actions{display:flex;align-items:center;gap:20px;}
.sticky-actions .link-text{color:#fff;border-bottom-color:var(--c-accent);}
.sticky-actions .link-text:hover{color:#fff;}
.sticky-bar .btn-main{min-height:42px;padding:12px 22px;font-size:14px;}
.sticky-icon{display:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .wrap{padding:0 20px;}
  .section{padding:72px 0;}
  .entry-grid{grid-template-columns:repeat(2,1fr);}
  .cards-3{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991px){
  .nav-left,.nav-right{display:none;}
  .nav-inner{grid-template-columns:auto 1fr auto;height:64px;}
  .site-header.is-scrolled .nav-inner{height:64px;}
  .brand{justify-self:start;min-width:0;justify-content:flex-start;}
  .burger{display:inline-flex;}
  .brand-name{font-size:16px;}
  .quickbar-inner{grid-template-columns:repeat(2,1fr);}
  .quick-item:nth-child(2){border-right:0;}
  .quick-item:nth-child(1),.quick-item:nth-child(2){border-bottom:1px solid var(--c-border);}
  .cta-grid{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:767px){
  body{padding-bottom:76px;}
  .wrap{padding:0 16px;}
  .section{padding:56px 0;}
  .section-tight{padding:48px 0;}
  .section-head{margin-bottom:28px;}
  .section-head h2,.list-head h2,.cta-copy h2{font-size:23px;}
  .cards-3{grid-template-columns:1fr;gap:16px;}
  .entry-grid{grid-template-columns:1fr;gap:16px;}
  .page-hero{min-height:240px;}
  .page-hero .wrap{padding-top:32px;padding-bottom:32px;}
  .page-hero .hero-sub{font-size:15px;}
  .hero-line{margin-top:16px;}
  .cta-block .wrap{padding-top:48px;padding-bottom:48px;}
  .form-card{padding:20px;}
  .form-row{grid-template-columns:1fr;}
  .faq-q{padding:18px 18px;font-size:16px;}
  .faq-a-inner{margin-left:18px;padding-left:14px;padding-right:18px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .to-top{align-self:flex-end;}
  .sticky-inner{height:56px;gap:12px;}
  .sticky-text{font-size:14px;}
  .sticky-text span{display:none;}
  .sticky-icon{display:inline-flex;color:var(--c-accent);margin-right:8px;}
  .sticky-actions .link-text{display:none;}
  .sticky-bar .btn-main{min-height:40px;padding:0 18px;font-size:14px;width:40%;}
  .sticky-actions{flex:1;justify-content:flex-end;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category2 */
:root{
  --c-ink:#14161A;
  --c-accent:#F5C400;
  --c-accent-hover:#FFD83A;
  --c-accent-press:#D9AC00;
  --c-steel:#3E4A5A;
  --c-muted:#767E8A;
  --c-bg:#F4F5F7;
  --c-surface:#FFFFFF;
  --c-border:#E6E8EC;
  --c-input:#D9DDE3;
  --c-text:#3A4048;
  --c-success:#2E7D5B;
  --c-error:#C4552B;
  --r-card:14px;
  --r-btn:10px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(20,22,26,.06),0 8px 24px rgba(20,22,26,.06);
  --sh-2:0 12px 32px rgba(20,22,26,.12);
  --sh-3:0 16px 48px rgba(20,22,26,.16);
  --sp-1:8px; --sp-2:12px; --sp-3:16px; --sp-4:24px; --sp-5:32px; --sp-6:48px;
  --ff:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --ff-num:"Inter","Barlow","Helvetica Neue",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--ff);
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  padding-bottom:64px;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-ink);text-decoration:none;transition:color .2s ease-out,background-color .2s ease-out;}
a:hover{color:var(--c-ink);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;letter-spacing:-.01em;}
p{margin:0 0 var(--sp-3);}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(245,196,0,.45);outline-offset:2px;border-radius:4px;}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.narrow{max-width:780px;}
.sec{padding:96px 0;}
.sec-tight{padding:72px 0;}
.sec-dark{background:var(--c-ink);color:rgba(255,255,255,.78);}
.sec-dark h2,.sec-dark h3{color:#fff;}
.sec-head{margin-bottom:var(--sp-6);}
.sec-head .kicker{
  display:inline-block;
  font-size:13px;
  letter-spacing:.16em;
  color:var(--c-steel);
  margin-bottom:var(--sp-2);
  text-transform:uppercase;
}
.sec-head h2{font-size:28px;line-height:1.3;}
.sec-head h2::after{content:"";display:block;width:40px;height:4px;background:var(--c-accent);margin-top:var(--sp-3);}
.sec-head p{margin-top:var(--sp-3);max-width:720px;color:var(--c-muted);font-size:15px;}
.sec-dark .sec-head p{color:rgba(255,255,255,.66);}

/* ---------- buttons ---------- */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:14px 28px;border:0;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;line-height:1;cursor:pointer;
  transition:transform .2s ease-out,background-color .2s ease-out,box-shadow .2s ease-out,color .2s ease-out;
}
.btn-primary-x{background:var(--c-accent);color:var(--c-ink);box-shadow:var(--sh-1);}
.btn-primary-x:hover{background:var(--c-accent-hover);transform:translateY(-1px);box-shadow:var(--sh-2);color:var(--c-ink);}
.btn-primary-x:active{background:var(--c-accent-press);transform:translateY(0);box-shadow:var(--sh-1);}
.btn-ghost-x{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.7);}
.btn-ghost-x:hover{background:#fff;color:var(--c-ink);border-color:#fff;transform:translateY(-1px);}
.btn-outline-x{background:transparent;color:var(--c-ink);border:1.5px solid var(--c-ink);}
.btn-outline-x:hover{background:var(--c-ink);color:#fff;transform:translateY(-1px);}
.btn-x[disabled],.btn-x.is-disabled{opacity:.45;cursor:not-allowed;transform:none;}
.link-x{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--c-ink);
  border-bottom:2px solid var(--c-accent);padding-bottom:2px;
  transition:border-width .2s ease-out,color .2s ease-out;
}
.link-x:hover{border-bottom-width:4px;color:var(--c-ink);}
.link-x i{font-size:12px;color:var(--c-steel);}
.sec-dark .link-x{color:#fff;}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:transparent;
  transition:background-color .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
  border-bottom:1px solid transparent;
}
.site-header .wrap{padding:0 24px;}
.nav-inner{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  height:72px;gap:var(--sp-4);
  transition:height .22s ease-out;
}
.nav-left,.nav-right{display:flex;align-items:center;gap:28px;}
.nav-right{justify-content:flex-end;}
.nav-link{
  position:relative;
  font-size:15px;font-weight:500;color:rgba(255,255,255,.86);
  line-height:72px;padding:0 2px;
  transition:color .2s ease-out,line-height .22s ease-out;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:20px;height:2px;
  background:var(--c-accent);transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease-out;
}
.nav-link:hover{color:#fff;}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:#fff;font-weight:700;}
.nav-link.is-active::after{transform:scaleX(1);}
.brand{
  display:flex;align-items:center;gap:10px;min-width:220px;justify-content:center;
  font-weight:700;
}
.brand-mark{
  width:36px;height:36px;border-radius:var(--r-btn);background:var(--c-accent);
  display:grid;place-items:center;flex:0 0 auto;
}
.brand-mark svg{width:20px;height:20px;}
.brand-name{font-size:18px;letter-spacing:.01em;color:#fff;transition:color .2s ease-out;}
.burger{
  display:none;width:40px;height:40px;border:0;background:transparent;border-radius:var(--r-btn);
  position:relative;margin-left:auto;cursor:pointer;
}
.burger span,.burger span::before,.burger span::after{
  position:absolute;left:10px;width:20px;height:2px;background:#fff;content:"";transition:transform .2s ease-out,background-color .2s ease-out,opacity .2s ease-out;
}
.burger span{top:19px;}
.burger span::before{top:-6px;left:0;}
.burger span::after{top:6px;left:0;}
.site-header.is-scrolled{background:#fff;border-bottom:1px solid var(--c-border);box-shadow:var(--sh-1);}
.site-header.is-scrolled .nav-inner{height:64px;}
.site-header.is-scrolled .nav-link{color:var(--c-text);line-height:64px;}
.site-header.is-scrolled .nav-link:hover{color:var(--c-ink);}
.site-header.is-scrolled .nav-link.is-active{color:var(--c-ink);}
.site-header.is-scrolled .brand-name{color:var(--c-ink);}
.site-header.is-scrolled .burger span,
.site-header.is-scrolled .burger span::before,
.site-header.is-scrolled .burger span::after{background:var(--c-ink);}
.nav-link:focus-visible{outline:3px solid rgba(245,196,0,.45);outline-offset:4px;}

/* ---------- drawer ---------- */
.drawer{
  position:fixed;inset:0;z-index:1025;background:#fff;
  transform:translateY(-102%);opacity:0;visibility:hidden;
  transition:transform .22s ease-out,opacity .22s ease-out,visibility .22s;
  display:flex;flex-direction:column;padding:96px 24px 24px;overflow-y:auto;
}
.drawer.is-open{transform:translateY(0);opacity:1;visibility:visible;}
.drawer a.d-link{
  display:flex;align-items:center;justify-content:space-between;
  font-size:18px;font-weight:500;color:var(--c-ink);line-height:56px;
  border-bottom:1px solid var(--c-border);
}
.drawer a.d-link.is-active{font-weight:700;box-shadow:inset 3px 0 0 var(--c-accent);padding-left:14px;}
.drawer .drawer-cta{margin-top:auto;padding-top:var(--sp-5);}
.drawer .drawer-cta .btn-x{width:100%;}
.drawer-mask{
  position:fixed;inset:0;z-index:1020;background:rgba(20,22,26,.5);
  opacity:0;visibility:hidden;transition:opacity .22s ease-out,visibility .22s;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
body.no-scroll{overflow:hidden;}

/* ---------- inner hero ---------- */
.page-hero{
  position:relative;overflow:hidden;background:var(--c-ink);
  min-height:300px;display:flex;align-items:flex-end;
  padding:150px 0 56px;
}
.page-hero__bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.page-hero__veil{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(20,22,26,.88) 0%,rgba(20,22,26,.78) 46%,rgba(20,22,26,.6) 100%);
}
.page-hero .wrap{position:relative;z-index:2;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.66);margin-bottom:var(--sp-3);}
.crumb a{color:rgba(255,255,255,.8);}
.crumb a:hover{color:#fff;}
.crumb .sep{color:rgba(255,255,255,.36);}
.crumb .cur{color:#fff;font-weight:600;}
.page-hero h1{
  color:#fff;font-size:clamp(30px,4.2vw,48px);line-height:1.2;letter-spacing:-.02em;
}
.page-hero h1 span{color:var(--c-accent);}
.page-hero .lead{
  margin-top:var(--sp-3);font-size:17px;color:rgba(255,255,255,.78);max-width:640px;
}
.page-hero .hero-actions{margin-top:var(--sp-5);display:flex;flex-wrap:wrap;gap:var(--sp-2);}
.hero-meta{
  margin-top:var(--sp-5);display:flex;flex-wrap:wrap;align-items:center;gap:var(--sp-3);
  font-size:14px;color:rgba(255,255,255,.72);
}
.hero-meta .dot{width:1px;height:14px;background:rgba(255,255,255,.22);}
.pill-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;
  background:rgba(245,196,0,.14);color:var(--c-accent);border:1px solid rgba(245,196,0,.32);
  margin-bottom:var(--sp-3);
}

/* ---------- overview ---------- */
.overview .narrow{margin:0 auto;}
.overview p{font-size:16px;color:var(--c-text);}
.overview .lead-line{font-size:18px;color:var(--c-steel);font-weight:600;line-height:1.7;}
.stat-strip{
  margin-top:var(--sp-6);
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  display:grid;grid-template-columns:repeat(4,1fr);
}
.stat-strip .stat{padding:var(--sp-5) var(--sp-4);border-right:1px solid var(--c-border);}
.stat-strip .stat:last-child{border-right:0;}
.stat .num{
  font-family:var(--ff-num);font-optical-sizing:auto;
  font-size:40px;font-weight:700;line-height:1;color:var(--c-ink);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.stat .num em{font-style:normal;color:var(--c-accent);}
.stat .cap{margin-top:10px;font-size:13px;color:var(--c-muted);line-height:1.6;}

/* ---------- zigzag ---------- */
.zig-list{display:flex;flex-direction:column;gap:88px;}
.zig{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.zig__media{position:relative;border-radius:12px;overflow:hidden;box-shadow:var(--sh-1);}
.zig__media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:12px;}
.zig__media::after{
  content:"";position:absolute;inset:0;border-radius:12px;
  box-shadow:inset 0 0 0 1px rgba(20,22,26,.08);pointer-events:none;
}
.zig__body h3{font-size:20px;line-height:1.4;}
.zig__body .tag{
  display:inline-block;font-size:12px;font-weight:600;color:var(--c-steel);
  background:#EDEFF2;border-radius:var(--r-badge);padding:4px 10px;margin-bottom:var(--sp-3);
}
.zig__body p{margin-top:var(--sp-3);color:var(--c-text);max-width:520px;}
.zig__body ul{margin:var(--sp-4) 0;display:flex;flex-direction:column;gap:10px;}
.zig__body ul li{position:relative;padding-left:22px;font-size:15px;color:var(--c-text);}
.zig__body ul li::before{
  content:"";position:absolute;left:0;top:12px;width:8px;height:8px;background:var(--c-accent);border-radius:2px;
}
.zig.rev .zig__media{order:2;}
.zig.rev .zig__body{order:1;}
.zig-divider{border:0;border-top:1px dashed var(--c-border);margin:0;}

/* ---------- related list ---------- */
.entry-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--sp-4);}
.entry{
  display:flex;flex-direction:column;
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-card);
  padding:var(--sp-4);box-shadow:var(--sh-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out;
  position:relative;overflow:hidden;
}
.entry::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--c-accent);
  transform:scaleX(0);transform-origin:left;transition:transform .2s ease-out;
}
.entry:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.entry:hover::before{transform:scaleX(1);}
.entry .badge-x{
  align-self:flex-start;font-size:12px;font-weight:600;color:#8A6D00;
  background:rgba(245,196,0,.16);border-radius:var(--r-badge);padding:3px 10px;margin-bottom:var(--sp-3);
}
.entry h3{font-size:17px;font-weight:600;line-height:1.5;}
.entry p{margin-top:var(--sp-2);font-size:14px;line-height:1.7;color:var(--c-muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:48px;}
.entry .meta{
  margin-top:var(--sp-3);padding-top:var(--sp-3);border-top:1px solid var(--c-border);
  display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-muted);
}
.entry .meta i{color:var(--c-steel);transition:transform .2s ease-out;}
.entry:hover .meta i{transform:translateX(3px);}
.entry .hit{position:absolute;inset:0;z-index:2;}

/* ---------- FAQ ---------- */
.faq-card{
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
}
.faq-card .accordion-item{border:0;border-top:1px solid var(--c-border);background:transparent;}
.faq-card .accordion-item:first-child{border-top:0;}
.faq-card .accordion-button{
  position:relative;
  background:#fff;color:var(--c-ink);font-size:17px;font-weight:600;
  padding:22px 64px 22px 24px;border-radius:0!important;box-shadow:none!important;
  transition:background-color .2s ease-out;
}
.faq-card .accordion-button:not(.collapsed){background:#fff;color:var(--c-ink);}
.faq-card .accordion-button:hover{background:#FAFAF8;}
.faq-card .accordion-button::after{
  content:"+";position:absolute;right:24px;top:50%;transform:translateY(-50%);
  width:24px;height:24px;margin:0;border-radius:50%;
  background-image:none;background-color:var(--c-accent);color:var(--c-ink);
  display:grid;place-items:center;font-size:16px;font-weight:700;line-height:1;
}
.faq-card .accordion-button:not(.collapsed)::after{content:"−";transform:translateY(-50%);}
.faq-card .accordion-button:focus{box-shadow:none;border-color:transparent;}
.faq-card .accordion-button:focus-visible{outline:3px solid rgba(245,196,0,.45);outline-offset:-3px;}
.faq-card .accordion-body{
  position:relative;padding:0 64px 24px 24px;font-size:15px;line-height:1.8;color:var(--c-text);
}
.faq-card .accordion-collapse.show .accordion-body::before,
.faq-card .accordion-collapse.collapsing .accordion-body::before{
  content:"";position:absolute;left:0;top:2px;bottom:22px;width:3px;background:var(--c-accent);
}

/* ---------- CTA + form ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--c-ink);border-radius:var(--r-card);
  padding:56px;color:rgba(255,255,255,.78);
}
.cta-band__bg{
  position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;opacity:.24;
}
.cta-band__veil{position:absolute;inset:0;background:linear-gradient(90deg,rgba(20,22,26,.94),rgba(20,22,26,.72));}
.cta-band__inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.cta-band h2{color:#fff;font-size:28px;line-height:1.3;}
.cta-band h2::after{content:"";display:block;width:40px;height:4px;background:var(--c-accent);margin-top:var(--sp-3);}
.cta-band p{margin-top:var(--sp-3);font-size:15px;color:rgba(255,255,255,.74);}
.cta-band .hint{margin-top:var(--sp-3);font-size:13px;color:rgba(255,255,255,.6);}
.form-row{display:grid;grid-template-columns:1fr 1fr auto;gap:var(--sp-2);}
.form-x label{display:block;font-size:13px;color:rgba(255,255,255,.7);margin-bottom:6px;}
.form-x input{
  width:100%;height:48px;padding:0 16px;font-size:15px;font-family:inherit;color:var(--c-ink);
  background:#fff;border:1px solid var(--c-input);border-radius:var(--r-btn);
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.form-x input::placeholder{color:#9AA1AB;}
.form-x input:focus{outline:none;border-color:var(--c-accent);box-shadow:0 0 0 2px rgba(245,196,0,.5);}
.form-x input.is-error{border-color:var(--c-error);}
.form-msg{margin-top:var(--sp-2);font-size:13px;color:rgba(255,255,255,.66);}
.form-msg.err{color:#F0A18A;}
.form-msg.ok{color:#8ED3B4;}

/* ---------- footer ---------- */
.site-footer{
  background:var(--c-ink);color:rgba(255,255,255,.72);border-top:1px solid rgba(255,255,255,.08);
  padding:72px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .brand{justify-content:flex-start;min-width:0;margin-bottom:var(--sp-4);}
.footer-brand .brand-name{color:#fff;}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:280px;}
.socials{display:flex;gap:10px;margin-top:var(--sp-4);}
.socials a{
  width:40px;height:40px;border-radius:var(--r-btn);display:grid;place-items:center;
  background:rgba(255,255,255,.08);color:rgba(255,255,255,.8);border:1px solid rgba(255,255,255,.12);
  transition:background-color .2s ease-out,color .2s ease-out,transform .2s ease-out;
}
.socials a:hover{background:var(--c-accent);color:var(--c-ink);transform:translateY(-1px);}
.footer-col h4{font-size:15px;color:#fff;font-weight:600;margin-bottom:var(--sp-3);}
.footer-col a,.footer-col span{
  display:block;font-size:14px;line-height:2.2;color:rgba(255,255,255,.72);
  position:relative;transition:color .2s ease-out,padding-left .2s ease-out;
}
.footer-col a::before{
  content:"";position:absolute;left:0;top:calc(50% - 1px);width:0;height:2px;background:var(--c-accent);
  transition:width .2s ease-out;
}
.footer-col a:hover{color:#fff;padding-left:18px;}
.footer-col a:hover::before{width:12px;}
.footer-bottom{
  margin-top:64px;padding:24px 0;border-top:1px solid rgba(255,255,255,.08);
  display:flex;align-items:center;gap:var(--sp-4);flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.58);
}
.footer-bottom .to-top{
  margin-left:auto;width:40px;height:40px;border:0;border-radius:var(--r-btn);cursor:pointer;
  background:var(--c-accent);color:var(--c-ink);display:grid;place-items:center;
  transition:background-color .2s ease-out,transform .2s ease-out;
}
.footer-bottom .to-top:hover{background:var(--c-accent-hover);transform:translateY(-1px);}

/* ---------- sticky bar ---------- */
.sticky-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:1010;
  background:var(--c-ink);border-top:1px solid rgba(255,255,255,.12);
  transform:translateY(102%);transition:transform .22s ease-out;
}
.sticky-bar.is-visible{transform:translateY(0);}
.sticky-bar__inner{
  max-width:1200px;margin:0 auto;padding:0 24px;height:64px;
  display:flex;align-items:center;gap:var(--sp-4);
}
.sticky-bar__text{font-size:16px;color:#fff;font-weight:600;}
.sticky-bar__text em{font-style:normal;color:var(--c-accent);}
.sticky-bar__actions{margin-left:auto;display:flex;align-items:center;gap:var(--sp-4);}
.sticky-bar__actions .link-x{color:rgba(255,255,255,.82);font-weight:500;border-bottom-color:rgba(255,255,255,.3);}
.sticky-bar__actions .link-x:hover{color:#fff;border-bottom-color:var(--c-accent);}
.sticky-bar .btn-x{min-height:40px;padding:10px 22px;font-size:14px;}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .cta-band{padding:48px;}
}
@media (max-width:991px){
  .wrap{padding:0 20px;}
  .nav-left,.nav-right{display:none;}
  .nav-inner{grid-template-columns:auto 1fr auto;height:64px;}
  .brand{justify-content:flex-start;min-width:0;grid-column:1/2;}
  .burger{display:block;grid-column:3/4;}
  .site-header .wrap{padding:0 20px;}
  .sec{padding:64px 0;}
  .sec-tight{padding:52px 0;}
  .zig{gap:32px;}
  .zig-list{gap:64px;}
  .stat-strip{grid-template-columns:1fr 1fr;}
  .stat-strip .stat:nth-child(2){border-right:0;}
  .stat-strip .stat:nth-child(1),.stat-strip .stat:nth-child(2){border-bottom:1px solid var(--c-border);}
  .cta-band__inner{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-bottom{margin-top:48px;}
}
@media (max-width:767px){
  body{font-size:15px;padding-bottom:56px;}
  .page-hero{padding:120px 0 40px;min-height:260px;}
  .page-hero__veil{background:linear-gradient(180deg,rgba(20,22,26,.9),rgba(20,22,26,.84));}
  .page-hero .lead{font-size:15px;}
  .zig,.zig.rev{grid-template-columns:1fr;}
  .zig.rev .zig__media,.zig.rev .zig__body{order:0;}
  .zig-list{gap:48px;}
  .entry-grid{grid-template-columns:1fr;}
  .stat-strip{grid-template-columns:1fr;border-radius:var(--r-card);}
  .stat-strip .stat{border-right:0;border-bottom:1px solid var(--c-border);}
  .stat-strip .stat:last-child{border-bottom:0;}
  .cta-band{padding:32px 20px;border-radius:var(--r-card);}
  .form-row{grid-template-columns:1fr;}
  .form-row .btn-x{width:100%;}
  .sticky-bar__inner{height:56px;gap:12px;padding:0 16px;}
  .sticky-bar__text{font-size:13px;font-weight:500;line-height:1.3;}
  .sticky-bar__actions{margin-left:auto;gap:12px;}
  .sticky-bar__actions .link-x{display:none;}
  .sticky-bar .btn-x{width:auto;min-width:38%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .faq-card .accordion-button{font-size:16px;padding:18px 56px 18px 16px;}
  .faq-card .accordion-body{padding:0 56px 20px 16px;}
}
@media (max-width:575px){
  .wrap{padding:0 16px;}
  .page-hero h1{font-size:28px;}
  .hero-actions .btn-x{width:100%;}
  .sec-head h2{font-size:24px;}
  .stat .num{font-size:34px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category3 */
:root{
  --c-ink:#14161A;
  --c-accent:#F5C400;
  --c-accent-hover:#FFD83A;
  --c-accent-press:#D9AC00;
  --c-steel:#3E4A5A;
  --c-muted:#767E8A;
  --c-bg:#F4F5F7;
  --c-surface:#FFFFFF;
  --c-line:#E6E8EC;
  --c-text:#3A4048;
  --c-ok:#2E7D5B;
  --c-err:#C4552B;
  --r-card:14px;
  --r-btn:10px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(20,22,26,.06),0 8px 24px rgba(20,22,26,.06);
  --sh-2:0 12px 32px rgba(20,22,26,.12);
  --sh-3:0 16px 48px rgba(20,22,26,.16);
  --sp-1:8px;--sp-2:12px;--sp-3:16px;--sp-4:24px;--sp-5:32px;--sp-6:48px;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"Inter","Barlow","PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  padding-bottom:64px;
}
h1,h2,h3,h4{margin:0;color:var(--c-ink);line-height:1.3}
p{margin:0 0 1em}
img{max-width:100%;display:block;height:auto}
a{color:var(--c-ink);text-decoration:none;transition:color .2s ease-out}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
table{border-collapse:collapse}
:focus-visible{outline:3px solid rgba(245,196,0,.55);outline-offset:2px;border-radius:4px}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (max-width:991px){.wrap{padding:0 20px}}
@media (max-width:575px){.wrap{padding:0 16px}}

/* ============ 按钮 ============ */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:14px 28px;border:0;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;letter-spacing:.01em;cursor:pointer;
  background:var(--c-accent);color:var(--c-ink);
  transition:transform .2s ease-out,background .2s ease-out,box-shadow .2s ease-out,color .2s ease-out;
}
.btn-x:hover{background:var(--c-accent-hover);color:var(--c-ink);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-x:active{background:var(--c-accent-press);transform:translateY(0);box-shadow:var(--sh-1)}
.btn-x:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:13px 26px;border-radius:var(--r-btn);
  background:transparent;color:var(--c-ink);border:1.5px solid var(--c-ink);
  font-size:15px;font-weight:700;cursor:pointer;
  transition:background .2s ease-out,color .2s ease-out,transform .2s ease-out;
}
.btn-line:hover{background:var(--c-ink);color:#fff;transform:translateY(-1px)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:13px 26px;border-radius:var(--r-btn);
  background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.55);
  font-size:15px;font-weight:700;cursor:pointer;
  transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out,transform .2s ease-out;
}
.btn-ghost:hover{background:#fff;color:var(--c-ink);border-color:#fff;transform:translateY(-1px)}
.link-y{
  font-weight:600;color:var(--c-ink);padding-bottom:3px;
  background-image:linear-gradient(var(--c-accent),var(--c-accent));
  background-repeat:no-repeat;background-position:0 100%;background-size:100% 2px;
  transition:background-size .2s ease-out;
}
.link-y:hover{background-size:100% 4px}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:900;background:#fff;
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .22s ease-out,background .22s ease-out;
}
.site-header.is-scrolled{box-shadow:0 1px 2px rgba(20,22,26,.06),0 8px 24px rgba(20,22,26,.06)}
.nav-inner{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  gap:24px;height:72px;transition:height .22s ease-out;
}
.site-header.is-scrolled .nav-inner{height:64px}
.nav-left,.nav-right{display:flex;align-items:center;gap:4px}
.nav-right{justify-content:flex-end}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:72px;padding:0 12px;
  font-size:14.5px;font-weight:500;color:#3A4048;white-space:nowrap;
  transition:color .2s ease-out,height .22s ease-out;
}
.site-header.is-scrolled .nav-link{height:64px}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:16px;height:2px;
  background:var(--c-accent);transform:scaleX(0);transform-origin:center;
  transition:transform .2s ease-out;
}
.nav-link:hover{color:var(--c-ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{font-weight:700;color:var(--c-ink)}
.nav-link.is-active::after{transform:scaleX(1)}
.brand{
  display:flex;align-items:center;justify-content:center;gap:10px;
  min-width:220px;padding:6px 0;
}
.brand-mark{
  width:32px;height:32px;flex:0 0 32px;border-radius:9px;background:var(--c-accent);
  display:grid;place-items:center;
}
.brand-mark svg{width:18px;height:18px;display:block}
.brand-name{font-size:18px;font-weight:700;color:var(--c-ink);letter-spacing:-.02em;white-space:nowrap}
.burger{
  display:none;width:40px;height:40px;border:1px solid var(--c-line);border-radius:var(--r-btn);
  background:#fff;cursor:pointer;align-items:center;justify-content:center;
}
.burger span{display:block;width:18px;height:2px;background:var(--c-ink);position:relative}
.burger span::before,.burger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-ink);
  transition:transform .2s ease-out;
}
.burger span::before{top:-6px}
.burger span::after{top:6px}

@media (max-width:991px){
  .nav-left,.nav-right{display:none}
  .nav-inner{grid-template-columns:1fr auto;height:64px;gap:12px}
  .site-header.is-scrolled .nav-inner{height:60px}
  .brand{justify-content:flex-start;min-width:0}
  .burger{display:flex}
}

/* 抽屉 */
.drawer{position:fixed;inset:0;z-index:1000;visibility:hidden;pointer-events:none}
.drawer.is-open{visibility:visible;pointer-events:auto}
.drawer-mask{position:absolute;inset:0;background:rgba(20,22,26,.55);opacity:0;transition:opacity .22s ease-out}
.drawer.is-open .drawer-mask{opacity:1}
.drawer-panel{
  position:absolute;inset:0;background:#fff;display:flex;flex-direction:column;
  padding:20px 20px 28px;overflow-y:auto;
  transform:translateY(-12px);opacity:0;
  transition:transform .22s ease-out,opacity .22s ease-out;
}
.drawer.is-open .drawer-panel{transform:translateY(0);opacity:1}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.drawer-close{
  width:40px;height:40px;border-radius:var(--r-btn);border:1px solid var(--c-line);
  background:#fff;color:var(--c-ink);font-size:18px;cursor:pointer;
}
.drawer-close:hover{background:var(--c-bg)}
.drawer-link{
  display:block;font-size:18px;line-height:56px;font-weight:500;color:var(--c-ink);
  border-bottom:1px solid var(--c-line);padding-left:0;
  transition:padding-left .2s ease-out,box-shadow .2s ease-out;
}
.drawer-link:hover{padding-left:10px}
.drawer-link.is-active{font-weight:700;box-shadow:inset 3px 0 0 var(--c-accent);padding-left:12px}
.drawer-cta{margin-top:28px;width:100%}

/* ============ 内页 Hero ============ */
.page-hero{
  position:relative;background:var(--c-ink) url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  overflow:hidden;color:#fff;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(20,22,26,.92) 0%,rgba(20,22,26,.78) 62%,rgba(20,22,26,.68) 100%);
}
.page-hero .wrap{
  position:relative;z-index:2;min-height:280px;
  display:flex;flex-direction:column;justify-content:center;
  padding-top:44px;padding-bottom:44px;
}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.62);margin-bottom:18px}
.crumb a{color:rgba(255,255,255,.62)}
.crumb a:hover{color:#fff}
.crumb .sep{color:rgba(255,255,255,.35)}
.crumb .cur{color:rgba(255,255,255,.88)}
.pill{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  padding:5px 12px;border-radius:var(--r-badge);background:rgba(245,196,0,.16);
  color:var(--c-accent);font-size:12px;font-weight:600;letter-spacing:.06em;
}
.page-title{
  font-size:clamp(30px,4.2vw,48px);font-weight:700;letter-spacing:-.02em;line-height:1.2;
  color:#fff;margin:18px 0 14px;
}
.page-sub{max-width:660px;font-size:16px;line-height:1.75;color:rgba(255,255,255,.78);margin:0}
@media (max-width:767px){
  .page-hero .wrap{min-height:0;padding-top:32px;padding-bottom:36px}
  .page-title{margin:14px 0 12px}
  .page-sub{font-size:15px}
}

/* ============ 板块 ============ */
.section{padding:96px 0}
.section-white{background:#fff}
.section-bg{background:var(--c-bg)}
@media (max-width:991px){.section{padding:64px 0}}
@media (max-width:575px){.section{padding:48px 0}}
.sec-title{font-size:28px;font-weight:700;letter-spacing:-.01em}
.sec-title::after{content:"";display:block;width:40px;height:4px;border-radius:2px;background:var(--c-accent);margin-top:14px}
.sec-lead{margin:20px 0 0;max-width:720px;font-size:15.5px;color:var(--c-muted);line-height:1.8}

/* 概览 */
.overview{max-width:780px;margin-top:32px}
.overview p{font-size:16px;line-height:1.85;color:var(--c-text)}
.overview a{font-weight:600;color:var(--c-ink);background-image:linear-gradient(var(--c-accent),var(--c-accent));background-repeat:no-repeat;background-position:0 100%;background-size:100% 2px;padding-bottom:3px}
.overview a:hover{background-size:100% 4px}

.fact-bar{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;margin-top:40px;
}
.fact{padding:24px;border-right:1px solid var(--c-line)}
.fact:last-child{border-right:0}
.fact b{
  display:block;font-family:var(--font-num);font-size:30px;font-weight:700;
  line-height:1.1;color:var(--c-ink);font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.fact span{display:block;margin-top:8px;font-size:13px;color:var(--c-muted);line-height:1.6}
@media (max-width:767px){
  .fact-bar{grid-template-columns:repeat(2,minmax(0,1fr))}
  .fact{border-bottom:1px solid var(--c-line)}
  .fact:nth-child(2n){border-right:0}
  .fact:nth-child(3),.fact:nth-child(4){border-bottom:0}
}

/* 要点横向列表 */
.point-list{margin-top:40px;border-top:1px solid var(--c-line)}
.point-row{
  display:grid;grid-template-columns:48px 220px minmax(0,1fr);
  gap:24px;align-items:start;padding:28px 0;border-bottom:1px solid var(--c-line);
  transition:background .2s ease-out;
}
.point-row:hover{background:#fff}
.point-ico{
  width:40px;height:40px;border-radius:10px;display:grid;place-items:center;
  background:rgba(245,196,0,.14);border:1px solid rgba(245,196,0,.55);
  color:var(--c-ink);font-size:16px;
}
.point-row h3{font-size:19px;font-weight:600;line-height:1.4}
.point-row p{margin:0;font-size:15px;line-height:1.8;color:var(--c-muted)}
@media (max-width:767px){
  .point-row{grid-template-columns:1fr;gap:12px;padding:24px 0}
  .point-row h3{font-size:18px}
}
@media (max-width:991px) and (min-width:768px){
  .point-row{grid-template-columns:48px 170px minmax(0,1fr);gap:16px}
}

/* 流程图 */
.figure{
  margin:40px 0 0;border-radius:12px;overflow:hidden;
  border:1px solid var(--c-line);box-shadow:var(--sh-1);background:#fff;
}
.figure img{width:100%;aspect-ratio:16/9;object-fit:cover}
.figure figcaption{padding:12px 18px;font-size:13px;color:var(--c-muted);border-top:1px solid var(--c-line)}

.steps{margin-top:40px;border-top:1px solid var(--c-line)}
.step{
  position:relative;display:grid;grid-template-columns:120px minmax(0,1fr);
  gap:32px;padding:36px 0 36px 20px;border-bottom:1px solid var(--c-line);
}
.step::before{
  content:"";position:absolute;left:0;top:42px;bottom:42px;width:3px;
  background:var(--c-accent);opacity:0;transition:opacity .2s ease-out;
}
.step:hover::before{opacity:1}
.step-num{
  font-family:var(--font-num);font-size:44px;font-weight:700;line-height:1;
  color:var(--c-accent);letter-spacing:-.03em;font-variant-numeric:tabular-nums;
}
.step h3{font-size:20px;font-weight:600;margin-bottom:10px}
.step p{margin:0;max-width:640px;font-size:15px;line-height:1.8;color:var(--c-muted)}
@media (max-width:767px){
  .step{grid-template-columns:1fr;gap:12px;padding:28px 0 28px 16px}
  .step-num{font-size:34px}
  .step h3{font-size:18px}
}

/* 相关条目卡片 */
.row-x{--bs-gutter-x:24px;--bs-gutter-y:24px}
.entry-card{
  position:relative;height:100%;display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.entry-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;z-index:3;
  background:var(--c-accent);transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease-out;
}
.entry-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.entry-card:hover::before{transform:scaleX(1)}
.entry-media{position:relative;display:block;overflow:hidden}
.entry-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .3s ease-out}
.entry-card:hover .entry-media img{transform:scale(1.03)}
.entry-badge{
  position:absolute;left:14px;bottom:14px;z-index:2;
  padding:4px 10px;border-radius:var(--r-badge);
  background:rgba(245,196,0,.94);color:var(--c-ink);font-size:12px;font-weight:600;
}
.entry-body{padding:20px;display:flex;flex-direction:column;flex:1}
.entry-body h3{font-size:17px;font-weight:600;line-height:1.5;margin-bottom:10px}
.entry-body h3 a{
  display:inline;color:var(--c-ink);
  background-image:linear-gradient(var(--c-accent),var(--c-accent));
  background-repeat:no-repeat;background-position:0 88%;background-size:0 58%;
  transition:background-size .2s ease-out;
}
.entry-body h3 a:hover{background-size:100% 58%}
.entry-body p{
  margin:0;font-size:14px;line-height:1.7;color:var(--c-muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.entry-meta{
  margin-top:auto;padding-top:18px;display:flex;align-items:center;
  justify-content:space-between;font-size:13px;color:var(--c-muted);
}
.entry-meta time{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.01em}
.entry-meta .arrow{color:var(--c-ink);transition:transform .2s ease-out}
.entry-card:hover .entry-meta .arrow{transform:translateX(4px)}

/* CTA */
.cta-block{
  position:relative;overflow:hidden;color:#fff;
  background:var(--c-ink) url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
  padding:80px 0;
}
.cta-block::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(20,22,26,.95) 0%,rgba(20,22,26,.84) 100%)}
.cta-block .wrap{position:relative;z-index:2}
.cta-title{font-size:28px;font-weight:700;color:#fff}
.cta-title::after{content:"";display:block;width:40px;height:4px;border-radius:2px;background:var(--c-accent);margin-top:14px}
.cta-desc{margin:20px 0 0;max-width:480px;font-size:15.5px;line-height:1.8;color:rgba(255,255,255,.76)}
.cta-points{margin-top:24px;display:flex;flex-wrap:wrap;gap:12px 24px}
.cta-points li{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.82)}
.cta-points i{color:var(--c-accent);font-size:13px}
.form-title{font-size:17px;font-weight:600;color:#fff;margin-bottom:16px}
.form-row{display:grid;grid-template-columns:1fr 1fr auto;gap:16px;align-items:start}
.form-control-x{
  width:100%;height:48px;padding:0 16px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.08);
  color:#fff;font-size:15px;font-family:inherit;
  transition:border-color .2s ease-out,box-shadow .2s ease-out,background .2s ease-out;
}
.form-control-x::placeholder{color:rgba(255,255,255,.5)}
.form-control-x:focus{outline:0;border-color:var(--c-accent);box-shadow:0 0 0 2px rgba(245,196,0,.45);background:rgba(255,255,255,.14)}
.form-note{margin:14px 0 0;font-size:13px;line-height:1.7;color:rgba(255,255,255,.6)}
@media (max-width:991px){
  .cta-block{padding:64px 0}
  .form-row{grid-template-columns:1fr;margin-top:28px}
  .form-row .btn-x{width:100%}
}
@media (max-width:575px){
  .cta-title{font-size:24px}
  .cta-block{padding:48px 0}
}

/* FAQ */
.faq-wrap{
  margin-top:40px;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);max-width:900px;
}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-item:last-child{border-bottom:0}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:16px;
  padding:22px 24px;font-size:17px;font-weight:600;color:var(--c-ink);
  transition:background .2s ease-out;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:#FAFAFA}
.faq-icon{
  flex:0 0 24px;width:24px;height:24px;border-radius:50%;background:var(--c-accent);
  color:var(--c-ink);display:grid;place-items:center;font-size:15px;font-weight:700;line-height:1;
  margin-left:auto;
}
.faq-icon::before{content:"+"}
.faq-item[open] .faq-icon::before{content:"\2212"}
.faq-body{
  padding:0 24px 24px 24px;font-size:15px;line-height:1.8;color:var(--c-muted);
  border-left:3px solid var(--c-accent);
}
@media (max-width:575px){
  .faq-item summary{padding:18px 16px;font-size:16px;gap:12px}
  .faq-body{padding:0 16px 20px 16px;font-size:14.5px}
}

/* 页脚 */
.site-footer{
  background:var(--c-ink);color:rgba(255,255,255,.72);
  border-top:1px solid rgba(255,255,255,.08);padding:64px 0 0;
}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .brand{justify-content:flex-start;min-width:0;margin-bottom:16px;padding:0}
.footer-brand .brand-name{color:#fff;font-size:17px}
.footer-desc{max-width:300px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.64);margin:0}
.socials{display:flex;gap:12px;margin-top:20px}
.socials a{
  width:40px;height:40px;border-radius:10px;display:grid;place-items:center;
  background:rgba(255,255,255,.08);color:rgba(255,255,255,.8);font-size:15px;
  transition:background .2s ease-out,color .2s ease-out,transform .2s ease-out;
}
.socials a:hover{background:var(--c-accent);color:var(--c-ink);transform:translateY(-2px)}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col a,.footer-col span{
  display:block;position:relative;font-size:14px;line-height:1.7;
  color:rgba(255,255,255,.72);padding:6px 0;
  transition:color .2s ease-out,padding-left .2s ease-out;
}
.footer-col a:hover{color:#fff;padding-left:16px}
.footer-col a:hover::before{
  content:"";position:absolute;left:0;top:50%;width:12px;height:2px;
  background:var(--c-accent);transform:translateY(-50%);
}
.footer-bottom{
  margin-top:48px;padding:20px 0;border-top:1px solid rgba(255,255,255,.08);
  display:flex;align-items:center;flex-wrap:wrap;gap:12px 20px;
  font-size:13px;color:rgba(255,255,255,.55);
}
.to-top{
  margin-left:auto;width:40px;height:40px;border-radius:10px;border:0;cursor:pointer;
  background:var(--c-accent);color:var(--c-ink);display:grid;place-items:center;font-size:14px;
  transition:background .2s ease-out,transform .2s ease-out;
}
.to-top:hover{background:var(--c-accent-hover);transform:translateY(-2px)}
@media (max-width:991px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:575px){
  .site-footer{padding-top:48px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{margin-top:32px}
  .to-top{margin-left:0}
}

/* 底部固定转化条 */
.sticky-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:800;
  background:var(--c-ink);border-top:1px solid rgba(255,255,255,.12);
  transform:translateY(100%);transition:transform .22s ease-out;
}
.sticky-bar.is-visible{transform:translateY(0)}
.sticky-inner{display:flex;align-items:center;gap:24px;min-height:64px;padding:10px 0}
.sticky-text{margin:0;font-size:16px;font-weight:600;color:#fff}
.sticky-text em{font-style:normal;color:var(--c-accent)}
.sticky-actions{margin-left:auto;display:flex;align-items:center;gap:20px}
.sticky-link{font-size:14px;font-weight:600;color:rgba(255,255,255,.72)}
.sticky-link:hover{color:#fff}
.sticky-mobile{display:none}
@media (max-width:767px){
  .sticky-inner{min-height:56px;gap:12px;padding:8px 0}
  .sticky-text,.sticky-link{display:none}
  .sticky-mobile{
    display:flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:#fff;
  }
  .sticky-mobile i{color:var(--c-accent)}
  .sticky-actions{margin-left:auto;flex:0 0 auto}
  .sticky-actions .btn-x{min-height:40px;padding:8px 18px;font-size:14px;flex:0 0 auto}
}
@media (prefers-reduced-motion: reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: category4 */
:root{
  --c-ink:#14161A;
  --c-accent:#F5C400;
  --c-accent-hover:#FFD83A;
  --c-accent-press:#D9AC00;
  --c-accent-ink:#8A6F00;
  --c-steel:#3E4A5A;
  --c-muted:#767E8A;
  --c-body:#3A4048;
  --c-bg:#F4F5F7;
  --c-surface:#FFFFFF;
  --c-border:#E6E8EC;
  --c-line-dark:rgba(255,255,255,.12);
  --c-success:#2E7D5B;
  --c-error:#C4552B;
  --r-card:14px;
  --r-btn:10px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(20,22,26,.06),0 8px 24px rgba(20,22,26,.06);
  --sh-2:0 12px 32px rgba(20,22,26,.12);
  --sh-3:0 16px 48px rgba(20,22,26,.16);
  --sp-1:8px;--sp-2:12px;--sp-3:16px;--sp-4:24px;--sp-5:32px;--sp-6:48px;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"Inter","Barlow",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--c-body);
  background:var(--c-bg);
  padding-bottom:72px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
a:hover{color:inherit}
button,input,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,h5{margin:0;color:var(--c-ink);font-weight:700;letter-spacing:-.01em}
p{margin:0 0 16px}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
::selection{background:rgba(245,196,0,.35)}
:focus-visible{outline:3px solid rgba(245,196,0,.5);outline-offset:2px}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-family:var(--font-num);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:900;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-border);
  transition:box-shadow .22s ease-out;
}
.site-header.is-solid{box-shadow:var(--sh-1)}
.nav-inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  height:72px;
  transition:height .2s ease-out;
}
.site-header.is-solid .nav-inner{height:64px}
.nav-left,.nav-right{display:flex;align-items:center;gap:28px;min-width:0}
.nav-left{justify-content:flex-start}
.nav-right{justify-content:flex-end}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  min-height:44px;
  font-size:15px;font-weight:500;color:var(--c-body);
  white-space:nowrap;
  transition:color .18s ease-out;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:6px;height:2px;
  background:var(--c-accent);border-radius:2px;
  transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease-out;
}
.nav-link:hover{color:var(--c-ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--c-ink);font-weight:700}
.nav-link.is-active::after{transform:scaleX(1)}
.brand{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  justify-self:center;min-width:220px;
}
.brand-mark{
  width:34px;height:34px;border-radius:9px;background:var(--c-accent);
  display:grid;place-items:center;flex:0 0 auto;
}
.brand-mark svg{width:19px;height:19px}
.brand-name{font-size:17px;font-weight:700;color:var(--c-ink);white-space:nowrap}
.burger{
  display:none;width:40px;height:40px;
  border:1px solid var(--c-border);border-radius:10px;background:var(--c-surface);
  position:relative;cursor:pointer;padding:0;
}
.burger span{position:absolute;left:11px;right:11px;top:50%;height:2px;background:var(--c-ink);border-radius:2px;transform:translateY(-50%)}
.burger span::before,
.burger span::after{content:"";position:absolute;left:0;right:0;height:2px;background:var(--c-ink);border-radius:2px}
.burger span::before{top:-6px}
.burger span::after{top:6px}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:1300;background:var(--c-surface);
  padding:20px 20px 32px;overflow-y:auto;
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity .22s ease-out,transform .22s ease-out,visibility .22s;
}
.drawer.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--c-border)}
.drawer-close{width:40px;height:40px;border:1px solid var(--c-border);border-radius:10px;background:var(--c-surface);cursor:pointer;font-size:16px;color:var(--c-ink)}
.drawer-nav{margin-top:8px}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:56px;font-size:18px;font-weight:600;color:var(--c-ink);
  border-bottom:1px solid var(--c-border);
}
.drawer-nav a i{font-size:13px;color:var(--c-muted)}
.drawer-nav a.is-active{color:var(--c-ink)}
.drawer-nav a.is-active::before{content:"";width:4px;height:18px;background:var(--c-accent);border-radius:2px;margin-right:10px}
.drawer-cta{margin-top:24px}
.drawer-cta .btn-rl{width:100%}

/* ============ 通用按钮 / 标签 ============ */
.btn-rl{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:14px 28px;
  border:0;border-radius:var(--r-btn);
  background:var(--c-accent);color:var(--c-ink);
  font-size:15px;font-weight:700;cursor:pointer;
  transition:background .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out;
}
.btn-rl:hover{background:var(--c-accent-hover);transform:translateY(-1px);box-shadow:var(--sh-2);color:var(--c-ink)}
.btn-rl:active{background:var(--c-accent-press);transform:translateY(0);box-shadow:var(--sh-1)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:12.5px 26px;
  border:1.5px solid var(--c-ink);border-radius:var(--r-btn);background:transparent;
  color:var(--c-ink);font-size:15px;font-weight:600;cursor:pointer;
  transition:background .18s ease-out,color .18s ease-out,transform .18s ease-out;
}
.btn-ghost:hover{background:var(--c-ink);color:#fff;transform:translateY(-1px)}
.btn-ghost-light{border-color:rgba(255,255,255,.55);color:#fff}
.btn-ghost-light:hover{background:#fff;color:var(--c-ink);border-color:#fff}
.link-rl{
  display:inline-block;color:var(--c-ink);font-weight:600;
  border-bottom:2px solid var(--c-accent);padding-bottom:2px;
  transition:border-bottom-width .18s ease-out;
}
.link-rl:hover{border-bottom-width:4px;color:var(--c-ink)}
.badge-rl{
  display:inline-block;padding:4px 10px;border-radius:var(--r-badge);
  background:rgba(245,196,0,.16);color:var(--c-accent-ink);
  font-size:12px;font-weight:700;line-height:1.5;
}
.badge-rl-dark{background:rgba(245,196,0,.18);color:var(--c-accent)}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(245,196,0,.18);color:#FFD83A;
  font-size:13px;font-weight:600;line-height:1.5;
}
.pill i{font-size:12px}
.pill-dark{background:rgba(245,196,0,.14);color:var(--c-accent-ink)}
.ico{
  width:40px;height:40px;border-radius:10px;
  display:grid;place-items:center;flex:0 0 auto;
  background:rgba(245,196,0,.14);border:1px solid rgba(245,196,0,.38);
  color:var(--c-accent-ink);font-size:16px;
}

/* ============ 板块骨架 ============ */
.section{padding:96px 0}
.section-alt{background:var(--c-surface)}
.section-tight{padding:64px 0}
.sec-head{max-width:760px;margin-bottom:40px}
.sec-head h2{
  position:relative;padding-left:14px;
  font-size:28px;line-height:1.3;
}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;
  background:var(--c-accent);border-radius:2px;
}
.sec-head p{margin-top:12px;font-size:15px;line-height:1.8;color:var(--c-muted)}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.sec-head-row .sec-head{margin-bottom:0}

/* ============ 内页 Hero ============ */
.page-hero{
  position:relative;
  background:var(--c-ink) url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(20,22,26,.9) 0%,rgba(20,22,26,.72) 58%,rgba(20,22,26,.6) 100%);
}
.page-hero .wrap{position:relative;z-index:2;min-height:280px;display:flex;align-items:center;padding-top:56px;padding-bottom:56px}
.page-hero h1{
  color:#fff;
  font-size:clamp(28px,3.6vw,42px);
  line-height:1.22;
  letter-spacing:-.02em;
  margin-bottom:14px;
}
.page-hero .lead{color:rgba(255,255,255,.82);font-size:16px;line-height:1.8;max-width:620px;margin-bottom:24px}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px 28px;align-items:center}
.hero-facts li{display:flex;align-items:center;gap:8px;color:rgba(255,255,255,.86);font-size:14px}
.hero-facts li+li{position:relative;padding-left:28px}
.hero-facts li+li::before{content:"";position:absolute;left:0;top:50%;width:1px;height:14px;background:rgba(255,255,255,.3);transform:translateY(-50%)}
.hero-facts i{color:var(--c-accent);font-size:14px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}

/* 面包屑 */
.crumb-bar{background:var(--c-surface);border-bottom:1px solid var(--c-border)}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--c-muted);padding:14px 0}
.crumb a{color:var(--c-muted)}
.crumb a:hover{color:var(--c-ink)}
.crumb .sep{color:#C7CCD3}
.crumb .cur{color:var(--c-ink);font-weight:600}

/* ============ 概览 ============ */
.overview-txt p{max-width:760px;font-size:16px;line-height:1.9}
.overview-txt h3{font-size:20px;margin:0 0 12px}
.info-card{
  background:var(--c-ink);border-radius:var(--r-card);
  padding:28px 26px;color:rgba(255,255,255,.78);
  box-shadow:var(--sh-1);
}
.info-card h3{color:#fff;font-size:17px;margin-bottom:18px}
.stat-list li{display:flex;align-items:baseline;gap:12px;padding:14px 0;border-top:1px solid var(--c-line-dark)}
.stat-list li:first-child{border-top:0;padding-top:0}
.stat-list .val{font-family:var(--font-num);font-weight:700;font-size:34px;line-height:1;color:var(--c-accent);font-variant-numeric:tabular-nums}
.stat-list .lab{font-size:13px;color:rgba(255,255,255,.68);line-height:1.6}
.info-card .link-rl{color:#fff;margin-top:18px}
.info-card .link-rl:hover{color:#fff}

/* ============ 要点区 ============ */
.feature-main{
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-card);
  overflow:hidden;height:100%;box-shadow:var(--sh-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.feature-main:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.feature-main img{width:100%;aspect-ratio:16/10;object-fit:cover}
.feature-main .fc-body{padding:26px 26px 28px}
.feature-main h3{font-size:20px;margin-bottom:12px}
.feature-main p{font-size:15px;line-height:1.85}
.tick-list{margin-top:16px;display:grid;gap:10px}
.tick-list li{display:flex;gap:10px;font-size:14px;color:var(--c-steel);line-height:1.7}
.tick-list i{color:var(--c-accent);font-size:13px;margin-top:6px}
.mini-card{
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-card);
  padding:22px 22px 24px;height:100%;box-shadow:var(--sh-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.mini-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D9DDE3}
.mini-card h3{font-size:17px;margin:16px 0 8px}
.mini-card p{font-size:14px;line-height:1.8;color:var(--c-muted)}

/* ============ 时间线 ============ */
.timeline{position:relative;padding-left:36px;margin-top:8px}
.timeline::before{
  content:"";position:absolute;left:10px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--c-accent),rgba(245,196,0,.12));
  border-radius:2px;
}
.tl-item{position:relative;padding-bottom:36px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-32px;top:8px;
  width:14px;height:14px;border-radius:50%;
  background:var(--c-accent);box-shadow:0 0 0 4px rgba(245,196,0,.18);
}
.tl-card{
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-card);
  padding:22px 24px;box-shadow:var(--sh-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.tl-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.tl-mile{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:8px}
.tl-mile .km{font-family:var(--font-num);font-weight:700;font-size:22px;color:var(--c-ink);font-variant-numeric:tabular-nums}
.tl-mile .stage{font-size:13px;color:var(--c-muted)}
.tl-card h3{font-size:17px;margin-bottom:8px}
.tl-card p{font-size:14.5px;line-height:1.8;color:var(--c-steel)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{
  display:inline-block;padding:3px 10px;border-radius:var(--r-badge);
  background:#F1F3F6;color:var(--c-steel);font-size:12px;font-weight:600;
}

/* ============ 内容卡片 ============ */
.post-card{
  position:relative;display:block;height:100%;
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.post-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;z-index:3;
  background:var(--c-accent);transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease-out;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.post-card:hover::before{transform:scaleX(1)}
.post-thumb{overflow:hidden;background:#EDEFF2}
.post-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .3s ease-out}
.post-card:hover .post-thumb img{transform:scale(1.03)}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;min-height:206px}
.post-body h3{font-size:17px;line-height:1.55;margin:12px 0 8px}
.post-body p{font-size:14px;line-height:1.7;color:var(--c-muted);margin-bottom:16px}
.post-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--c-muted);
}
.post-meta i{font-size:13px;color:var(--c-accent);transition:transform .2s ease-out}
.post-card:hover .post-meta i{transform:translateX(4px)}

/* ============ CTA / 表单 ============ */
.cta-block{
  background:var(--c-ink);
  border-top:1px solid rgba(255,255,255,.08);
  border-bottom:1px solid rgba(255,255,255,.08);
  padding:80px 0;
}
.cta-block h2{color:#fff;font-size:28px;line-height:1.35;margin-bottom:14px}
.cta-block p{color:rgba(255,255,255,.72);font-size:15px;line-height:1.85;max-width:520px}
.quote-form{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.form-input{
  flex:1 1 200px;min-width:0;height:48px;padding:0 16px;
  border:1px solid #D9DDE3;border-radius:var(--r-btn);
  background:#fff;color:var(--c-ink);font-size:15px;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.form-input::placeholder{color:#9AA1AB}
.form-input:focus{outline:0;border-color:var(--c-accent);box-shadow:0 0 0 2px rgba(245,196,0,.55)}
.quote-form .btn-rl{flex:0 0 auto}
.form-msg{margin-top:14px;font-size:13px;line-height:1.7;color:rgba(255,255,255,.6)}
.form-msg.is-ok{color:#7ED0A8}
.form-msg.is-err{color:#F2A38A}
.form-note{margin-top:10px;font-size:12.5px;color:rgba(255,255,255,.5)}

/* ============ FAQ ============ */
.faq-wrap{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:8px 8px}
.faq-acc .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--c-border)}
.faq-acc .accordion-item:last-child{border-bottom:0}
.faq-acc .accordion-button{
  background:transparent;box-shadow:none;
  padding:22px 20px;font-size:17px;font-weight:600;color:var(--c-ink);line-height:1.6;
  border-radius:0;
}
.faq-acc .accordion-button:not(.collapsed){color:var(--c-ink);background:transparent;box-shadow:none}
.faq-acc .accordion-button:focus{box-shadow:none;outline:2px solid rgba(245,196,0,.55);outline-offset:-2px}
.faq-acc .accordion-button::after{
  content:"+";
  background-image:none;background-color:rgba(245,196,0,.2);
  width:24px;height:24px;min-width:24px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  color:var(--c-accent-ink);font-size:15px;font-weight:700;line-height:1;
  margin-left:auto;
  transition:transform .18s ease-out;
}
.faq-acc .accordion-button:not(.collapsed)::after{content:"−";transform:rotate(180deg)}
.faq-acc .accordion-body{
  border-left:3px solid var(--c-accent);
  margin:0 20px 20px 20px;padding:0 0 0 16px;
  font-size:15px;line-height:1.85;color:var(--c-body);
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-ink);
  border-top:1px solid rgba(255,255,255,.08);
  padding:64px 0 0;
  color:rgba(255,255,255,.72);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px 32px;
  padding-bottom:48px;
}
.site-footer .brand{justify-content:flex-start;min-width:0;margin-bottom:16px}
.site-footer .brand-name{color:#fff}
.footer-desc{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.6);max-width:280px;margin-bottom:20px}
.socials{display:flex;gap:12px}
.socials a{
  width:40px;height:40px;border-radius:10px;
  border:1px solid rgba(255,255,255,.14);
  display:grid;place-items:center;color:rgba(255,255,255,.78);font-size:15px;
  transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.socials a:hover{background:var(--c-accent);color:var(--c-ink);border-color:var(--c-accent)}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px}
.footer-col a,.footer-col span{
  position:relative;display:block;
  font-size:14px;line-height:1.7;color:rgba(255,255,255,.72);
  padding:6px 0 6px 0;
  transition:color .18s ease-out,padding-left .18s ease-out;
}
.footer-col a::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:0;height:1.5px;background:var(--c-accent);
  transition:width .18s ease-out;
}
.footer-col a:hover{color:#fff;padding-left:18px}
.footer-col a:hover::before{width:12px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}
.to-top{
  width:40px;height:40px;border-radius:10px;border:0;
  background:var(--c-accent);color:var(--c-ink);cursor:pointer;
  display:grid;place-items:center;font-size:14px;
  transition:background .18s ease-out,transform .18s ease-out;
}
.to-top:hover{background:var(--c-accent-hover);transform:translateY(-2px)}

/* ============ 底部转化条 ============ */
.convert-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:850;
  background:var(--c-ink);
  border-top:1px solid rgba(255,255,255,.12);
  transform:translateY(100%);
  transition:transform .22s ease-out;
}
.convert-bar.is-show{transform:translateY(0)}
.convert-inner{
  max-width:1200px;margin:0 auto;padding:0 24px;height:64px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.convert-text{display:flex;align-items:center;gap:12px;color:#fff;font-size:16px;font-weight:600}
.convert-text i{color:var(--c-accent)}
.convert-actions{display:flex;align-items:center;gap:20px}
.convert-actions .link-rl{color:#fff;font-size:14px;font-weight:500}
.convert-actions .link-rl:hover{color:#fff}
.convert-mobile{display:none}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .section{padding:72px 0}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
}
@media (max-width:991px){
  .wrap{padding:0 20px}
  .nav-inner{grid-template-columns:1fr auto;height:64px}
  .site-header.is-solid .nav-inner{height:60px}
  .nav-left,.nav-right{display:none}
  .brand{justify-self:start;min-width:0}
  .burger{display:block}
  .page-hero .wrap{min-height:240px;padding-top:44px;padding-bottom:44px}
  .section{padding:64px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px 24px}
  .footer-brand{grid-column:1 / -1}
  .cta-block{padding:64px 0}
  .convert-bar{border-top-color:rgba(255,255,255,.12)}
  .convert-inner{height:56px;padding:0 16px;gap:12px}
  .convert-desktop{display:none}
  .convert-mobile{display:flex;align-items:center;gap:8px;color:#fff;font-size:14px;font-weight:600;min-width:0}
  .convert-mobile i{color:var(--c-accent)}
  .convert-mobile span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:130px}
  .convert-inner .btn-rl{min-height:40px;padding:10px 18px;font-size:14px}
  .convert-actions .link-rl{display:none}
}
@media (max-width:767px){
  body{padding-bottom:64px}
  .section{padding:48px 0}
  .sec-head{margin-bottom:28px}
  .sec-head h2{font-size:23px}
  .sec-head-row{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px}
  .page-hero h1{font-size:26px}
  .hero-facts{gap:8px 18px}
  .hero-facts li+li{padding-left:18px}
  .hero-actions .btn-rl,.hero-actions .btn-ghost{width:100%}
  .overview-txt p{font-size:15px}
  .info-card{padding:22px 20px}
  .timeline{padding-left:28px}
  .timeline::before{left:7px}
  .tl-item::before{left:-25px;width:12px;height:12px}
  .tl-card{padding:18px 18px}
  .post-body{min-height:0}
  .quote-form{flex-direction:column;align-items:stretch}
  .form-input{flex:1 1 auto;width:100%}
  .quote-form .btn-rl{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .faq-acc .accordion-button{font-size:16px;padding:18px 16px}
  .faq-acc .accordion-body{margin:0 16px 18px 16px}
  .convert-mobile span{max-width:96px;font-size:13px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category5 */
:root{
  --c-ink:#14161A;
  --c-accent:#F5C400;
  --c-accent-h:#FFD83A;
  --c-accent-p:#D9AC00;
  --c-steel:#3E4A5A;
  --c-muted:#767E8A;
  --c-text:#3A4048;
  --c-bg:#F4F5F7;
  --c-surface:#FFFFFF;
  --c-border:#E6E8EC;
  --c-ok:#2E7D5B;
  --c-err:#C4552B;
  --r-card:14px;
  --r-btn:10px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(20,22,26,.06), 0 8px 24px rgba(20,22,26,.06);
  --sh-2:0 12px 32px rgba(20,22,26,.12);
  --sh-3:0 16px 48px rgba(20,22,26,.16);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"Barlow","Inter","PingFang SC",sans-serif;

  --bs-body-font-family:var(--font-cn);
  --bs-body-color:var(--c-text);
  --bs-body-bg:var(--c-bg);
  --bs-primary:#F5C400;
  --bs-primary-rgb:245,196,0;
  --bs-link-color:#14161A;
  --bs-link-hover-color:#14161A;
  --bs-border-radius:10px;
  --bs-border-color:#E6E8EC;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  padding-bottom:64px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-ink);text-decoration:none;transition:color .2s ease-out;}
button{font:inherit;cursor:pointer;background:none;border:none;color:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(245,196,0,.45);outline-offset:2px;border-radius:4px;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;}

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

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:900;
  background:#FFFFFF;
  border-bottom:1px solid transparent;
  transition:height .22s ease-out, box-shadow .22s ease-out, border-color .22s ease-out, background .22s ease-out;
}
.site-header.scrolled{
  border-bottom-color:var(--c-border);
  box-shadow:0 6px 20px rgba(20,22,26,.07);
}
.nav-inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  height:72px;
  gap:16px;
  transition:height .22s ease-out;
}
.site-header.scrolled .nav-inner{height:64px;}
.nav-left,.nav-right{display:flex;align-items:center;gap:30px;}
.nav-right{justify-content:flex-end;}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  min-height:44px;
  font-size:15px;font-weight:500;color:#3A4048;
  letter-spacing:.01em;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:9px;width:0;height:2px;
  background:var(--c-accent);transition:width .2s ease-out;
}
.nav-link:hover{color:var(--c-ink);}
.nav-link:hover::after{width:22px;}
.nav-link.is-active{font-weight:700;color:var(--c-ink);}
.nav-link.is-active::after{width:22px;}

.brand{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-width:220px;padding:6px 8px;
}
.brand-mark{
  width:34px;height:34px;border-radius:9px;background:var(--c-accent);
  display:grid;place-items:center;flex:0 0 auto;
}
.brand-mark svg{width:19px;height:19px;}
.brand-name{font-size:17px;font-weight:700;color:var(--c-ink);letter-spacing:-.01em;white-space:nowrap;}

.burger{
  display:none;
  width:40px;height:40px;border-radius:10px;border:1px solid var(--c-border);
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.burger span,.burger::before,.burger::after{
  content:"";display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px;
  transition:transform .2s ease-out,opacity .2s ease-out;
}

/* ---------- drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,22,26,.5);z-index:940;
  opacity:0;pointer-events:none;transition:opacity .22s ease-out;
}
.drawer-mask.show{opacity:1;pointer-events:auto;}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(88vw,380px);
  background:#FFFFFF;z-index:960;
  transform:translateY(-8px);opacity:0;visibility:hidden;
  transition:transform .22s ease-out,opacity .22s ease-out,visibility .22s;
  padding:20px 20px 28px;overflow-y:auto;
  box-shadow:var(--sh-3);
  display:flex;flex-direction:column;
}
.nav-drawer.show{transform:translateY(0);opacity:1;visibility:visible;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px;}
.drawer-title{font-size:15px;font-weight:700;color:var(--c-ink);}
.drawer-close{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--c-border);
  display:grid;place-items:center;color:var(--c-ink);
}
.drawer-link{
  display:flex;align-items:center;
  height:56px;font-size:18px;font-weight:500;color:var(--c-ink);
  border-bottom:1px solid var(--c-border);
}
.drawer-link.is-active{font-weight:700;color:var(--c-ink);}
.drawer-cta{margin-top:auto;width:100%;margin-top:24px;}

/* ---------- buttons ---------- */
.btn-main,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:14px 28px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;line-height:1;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.btn-main{background:var(--c-accent);color:var(--c-ink);border:1px solid var(--c-accent);}
.btn-main:hover{background:var(--c-accent-h);border-color:var(--c-accent-h);color:var(--c-ink);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-main:active{background:var(--c-accent-p);border-color:var(--c-accent-p);transform:translateY(0);box-shadow:none;}
.btn-ghost{background:transparent;color:var(--c-ink);border:1.5px solid var(--c-ink);}
.btn-ghost:hover{background:var(--c-ink);color:#FFFFFF;transform:translateY(-1px);}
.btn-ghost.on-dark{color:#FFFFFF;border-color:rgba(255,255,255,.6);}
.btn-ghost.on-dark:hover{background:#FFFFFF;color:var(--c-ink);border-color:#FFFFFF;}
.btn-line{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--c-ink);
  border-bottom:2px solid var(--c-accent);padding-bottom:2px;
  transition:border-width .18s ease-out,color .18s ease-out;
}
.btn-line:hover{border-bottom-width:4px;color:var(--c-ink);}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;
  margin-top:72px;
  padding:56px 0 52px;
  min-height:280px;
  display:flex;align-items:center;
  background:#14161A;color:#FFFFFF;overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(20,22,26,.86),rgba(20,22,26,.6)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.page-hero .wrap{position:relative;z-index:1;}
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.72);margin-bottom:18px;
}
.crumb a{color:rgba(255,255,255,.72);}
.crumb a:hover{color:#FFFFFF;}
.crumb .sep{opacity:.55;}
.crumb .current{color:#FFFFFF;}
.page-title{
  font-size:clamp(28px,3.6vw,40px);
  line-height:1.22;font-weight:700;letter-spacing:-.02em;color:#FFFFFF;
}
.page-title::after{
  content:"";display:block;width:40px;height:4px;background:var(--c-accent);
  margin-top:18px;border-radius:2px;
}
.page-lead{margin-top:18px;font-size:16px;color:rgba(255,255,255,.82);max-width:640px;}

/* ---------- sections ---------- */
.section{padding:88px 0;}
.section.tight{padding-top:64px;}
.section-head{max-width:760px;margin-bottom:40px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--c-steel);
  background:rgba(245,196,0,.12);
  border-radius:var(--r-badge);padding:6px 12px;margin-bottom:16px;
}
.h2{font-size:28px;line-height:1.3;font-weight:700;color:var(--c-ink);letter-spacing:-.01em;}
.h2-bar{padding-left:16px;border-left:4px solid var(--c-accent);}
.section-sub{margin-top:14px;font-size:15px;color:var(--c-muted);}

/* ---------- overview ---------- */
.overview{background:var(--c-surface);border-bottom:1px solid var(--c-border);}
.overview-inner{max-width:780px;}
.overview-inner p{font-size:16px;line-height:1.9;color:var(--c-text);margin-bottom:18px;}
.overview-inner p:last-child{margin-bottom:0;}
.overview-inner strong{color:var(--c-ink);font-weight:600;}

/* ---------- split layout ---------- */
.split-main{padding-right:8px;}
.group-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.group-card{
  background:var(--c-surface);
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--sh-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.group-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.group-head{display:flex;align-items:center;gap:12px;margin-bottom:6px;}
.group-icon{
  width:40px;height:40px;border-radius:10px;flex:0 0 auto;
  background:rgba(245,196,0,.12);border:1px solid rgba(245,196,0,.5);
  display:grid;place-items:center;color:#8A6D00;font-size:16px;
}
.group-title{font-size:19px;font-weight:600;color:var(--c-ink);line-height:1.4;}
.group-desc{font-size:13px;color:var(--c-muted);margin-bottom:14px;}
.group-list li{border-top:1px solid var(--c-border);}
.group-list li:first-child{border-top:none;}
.group-list a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  min-height:48px;padding:8px 0;font-size:15px;color:var(--c-text);
}
.group-list a:hover{color:var(--c-ink);}
.group-list a:hover span{background:var(--c-accent);}
.group-list span{
  display:inline-block;padding:1px 3px;border-radius:3px;
  transition:background .18s ease-out;
}
.group-list em{
  font-style:normal;font-family:var(--font-num);font-size:13px;color:var(--c-muted);
  flex:0 0 auto;font-variant-numeric:tabular-nums;
}

/* ---------- sticky aside ---------- */
.split-aside{position:relative;}
.sticky-card{
  position:sticky;top:96px;
  background:#14161A;color:#FFFFFF;
  border-radius:var(--r-card);
  padding:28px 24px;
  border:1px solid rgba(255,255,255,.12);
}
.sticky-card h3{font-size:18px;font-weight:700;color:#FFFFFF;margin-bottom:6px;}
.sticky-card .sc-note{font-size:13px;color:rgba(255,255,255,.62);margin-bottom:20px;}
.sc-list{border-top:1px solid rgba(255,255,255,.12);}
.sc-list li{
  border-bottom:1px solid rgba(255,255,255,.12);
  padding:14px 0;
}
.sc-label{font-size:13px;color:rgba(255,255,255,.62);}
.sc-value{font-size:15px;color:#FFFFFF;font-weight:600;margin-top:2px;}
.sc-value .num{color:var(--c-accent);}
.sc-actions{display:flex;flex-direction:column;gap:12px;margin-top:22px;}
.sc-actions .btn-main{width:100%;}
.sc-actions .btn-ghost{width:100%;}
.sc-foot{font-size:12px;line-height:1.7;color:rgba(255,255,255,.5);margin-top:18px;}

/* ---------- entries ---------- */
.entries{background:var(--c-surface);border-top:1px solid var(--c-border);border-bottom:1px solid var(--c-border);}
.entries-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap;}
.entry-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.entry{
  display:flex;gap:18px;align-items:flex-start;
  padding:22px;border:1px solid var(--c-border);border-radius:var(--r-card);
  background:var(--c-surface);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.entry:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D9DDE3;}
.entry-date{
  flex:0 0 auto;width:56px;
  font-family:var(--font-num);font-size:20px;font-weight:700;line-height:1.1;
  color:var(--c-ink);font-variant-numeric:tabular-nums;
  border-top:3px solid var(--c-accent);padding-top:8px;
}
.entry-date small{display:block;font-size:12px;font-weight:600;color:var(--c-muted);margin-top:2px;}
.entry-body{flex:1 1 auto;min-width:0;}
.entry-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:8px;}
.tag{
  display:inline-block;font-size:12px;font-weight:600;line-height:1.6;
  padding:2px 10px;border-radius:var(--r-badge);
  background:rgba(245,196,0,.14);color:#6E5600;
}
.tag.steel{background:rgba(62,74,90,.1);color:var(--c-steel);}
.entry h3{font-size:17px;font-weight:600;line-height:1.5;color:var(--c-ink);margin-bottom:6px;}
.entry p{font-size:14px;line-height:1.7;color:var(--c-muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.entry-arrow{color:var(--c-muted);font-size:14px;align-self:center;transition:transform .2s ease-out,color .2s ease-out;}
.entry:hover .entry-arrow{color:var(--c-ink);transform:translateX(3px);}

/* ---------- cta ---------- */
.cta-block{
  background:#14161A;color:#FFFFFF;border-radius:var(--r-card);
  padding:48px;border:1px solid rgba(255,255,255,.12);
}
.cta-img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:12px;border:1px solid rgba(255,255,255,.12);
}
.cta-block h3{font-size:26px;font-weight:700;color:#FFFFFF;line-height:1.35;letter-spacing:-.01em;}
.cta-block p{font-size:15px;color:rgba(255,255,255,.72);margin-top:14px;}
.form-row{display:flex;gap:12px;margin-top:24px;flex-wrap:wrap;}
.form-control{
  flex:1 1 180px;min-width:0;
  height:48px;padding:0 16px;font-size:15px;
  color:var(--c-ink);background:#FFFFFF;
  border:1px solid #D9DDE3;border-radius:var(--r-btn);
  box-shadow:none;font-family:var(--font-cn);
}
.form-control::placeholder{color:#9AA1AC;}
.form-control:focus{
  outline:none;background:#FFFFFF;
  border-color:var(--c-ink);
  box-shadow:0 0 0 2px rgba(245,196,0,.55);
}
.form-hint{font-size:12px;color:rgba(255,255,255,.5);margin-top:12px;}
.form-hint.err{color:#F0A08A;}
.form-hint.ok{color:#8FD8B6;}

/* ---------- faq ---------- */
.faq-card{
  background:var(--c-surface);border:1px solid var(--c-border);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
}
.faq-item+.faq-item{border-top:1px solid var(--c-border);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  text-align:left;padding:22px 24px;min-height:64px;
  font-size:17px;font-weight:600;color:var(--c-ink);line-height:1.5;
  transition:background .2s ease-out;
}
.faq-q:hover{background:#FAFAF8;}
.faq-ico{
  flex:0 0 auto;width:24px;height:24px;border-radius:50%;
  border:1.5px solid var(--c-accent);color:#8A6D00;
  display:grid;place-items:center;font-size:12px;
  transition:transform .22s ease-out;
}
.faq-q[aria-expanded="true"] .faq-ico{transform:rotate(45deg);}
.faq-a{padding:0 24px 24px 24px;font-size:15px;line-height:1.8;color:var(--c-text);}
.faq-a-inner{border-left:3px solid var(--c-accent);padding-left:16px;}

/* ---------- footer ---------- */
.site-footer{
  background:#14161A;color:rgba(255,255,255,.72);
  border-top:1px solid rgba(255,255,255,.08);
  padding:64px 0 28px;margin-top:0;
}
.footer-grid{
  display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand .brand{justify-content:flex-start;min-width:0;padding:0;margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--c-accent);}
.footer-brand .brand-name{color:#FFFFFF;}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:320px;}
.socials{display:flex;gap:12px;margin-top:20px;}
.socials a{
  width:40px;height:40px;border-radius:10px;
  border:1px solid rgba(255,255,255,.16);
  display:grid;place-items:center;color:rgba(255,255,255,.72);font-size:15px;
  transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.socials a:hover{background:var(--c-accent);color:var(--c-ink);border-color:var(--c-accent);}
.footer-col h4{font-size:15px;font-weight:600;color:#FFFFFF;margin-bottom:18px;}
.footer-col a,.footer-col span{
  display:block;position:relative;font-size:14px;line-height:1.7;
  color:rgba(255,255,255,.72);padding:7px 0 7px 0;
  transition:color .2s ease-out,padding-left .2s ease-out;
}
.footer-col a::before{
  content:"";position:absolute;left:0;top:50%;width:0;height:2px;
  background:var(--c-accent);transform:translateY(-50%);
  transition:width .2s ease-out;
}
.footer-col a:hover{color:#FFFFFF;padding-left:18px;}
.footer-col a:hover::before{width:12px;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding-top:24px;font-size:13px;color:rgba(255,255,255,.5);flex-wrap:wrap;
}
.to-top{
  width:40px;height:40px;border-radius:10px;flex:0 0 auto;
  background:var(--c-accent);color:var(--c-ink);
  display:grid;place-items:center;font-size:14px;
  transition:background .2s ease-out,transform .2s ease-out;
}
.to-top:hover{background:var(--c-accent-h);transform:translateY(-2px);}

/* ---------- convert bar ---------- */
.convert-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:800;
  background:#14161A;color:#FFFFFF;
  border-top:1px solid rgba(255,255,255,.08);
  transform:translateY(100%);
  transition:transform .22s ease-out;
}
.convert-bar.show{transform:translateY(0);}
.convert-inner{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:64px;padding:10px 0;
}
.convert-text{font-size:16px;font-weight:500;color:#FFFFFF;display:flex;align-items:center;gap:10px;}
.convert-text i{color:var(--c-accent);}
.convert-actions{display:flex;align-items:center;gap:20px;}
.convert-actions .btn-main{min-height:44px;padding:11px 22px;}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .sticky-card{position:static;top:auto;}
  .split-main{padding-right:0;}
  .split-aside{margin-top:32px;}
  .footer-grid{grid-template-columns:1.6fr 1fr 1fr;gap:32px;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:991.98px){
  .nav-inner{grid-template-columns:auto 1fr auto;}
  .nav-left,.nav-right{display:none;}
  .brand{justify-content:flex-start;min-width:0;order:1;}
  .burger{display:flex;order:2;justify-self:end;}
  .section{padding:64px 0;}
  .page-hero{margin-top:72px;padding:44px 0 40px;min-height:240px;}
  .cta-block{padding:32px;}
  .entry-grid{grid-template-columns:1fr;}
}
@media (max-width:767.98px){
  .wrap{padding:0 20px;}
  .group-grid{grid-template-columns:1fr;}
  .section{padding:56px 0;}
  .h2{font-size:24px;}
  .cta-block h3{font-size:22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .to-top{align-self:flex-end;}
  .convert-inner{min-height:56px;}
  .convert-text{font-size:14px;}
  .convert-actions{gap:12px;}
}
@media (max-width:575.98px){
  body{padding-bottom:56px;}
  .wrap{padding:0 16px;}
  .brand-name{font-size:16px;}
  .page-hero{margin-top:72px;}
  .form-row{flex-direction:column;}
  .form-row .form-control{flex:1 1 auto;width:100%;}
  .form-row .btn-main{width:100%;}
  .convert-text span.long{display:none;}
  .entry{padding:18px;gap:14px;}
  .entry-date{width:48px;font-size:17px;}
  .btn-ghost,.btn-main{padding:13px 20px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}