/* roulang page: index */
:root{
  --brand:#F05A28;
  --brand-dark:#C4441A;
  --brand-soft:#FFF1E8;
  --lime:#C6F24E;
  --ink:#16191D;
  --ink-2:#3A4046;
  --bg:#F7F5F2;
  --card:#FFFFFF;
  --alt:#F1EDE8;
  --line:#E6E1DA;
  --t1:#1B1E22;
  --t2:#62696F;
  --t3:#949A9F;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(22,25,29,.06);
  --sh-2:0 12px 28px -12px rgba(22,25,29,.18);
  --nav-w:248px;
  --bs-primary:#F05A28;
  --bs-body-bg:#F7F5F2;
  --bs-body-color:#1B1E22;
  --bs-border-radius:12px;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--t1);
  background:var(--bg);
  padding-bottom:76px;
  overflow-x:hidden;
}
h1,h2,h3,h4{letter-spacing:-0.02em;color:var(--t1);margin:0;}
h1{font-size:clamp(30px,3.4vw,46px);line-height:1.15;font-weight:700;}
h2{font-size:clamp(24px,2.4vw,34px);line-height:1.25;font-weight:700;}
h3{font-size:20px;line-height:1.4;font-weight:600;}
p{margin:0 0 1em;}
a{color:inherit;text-decoration:none;transition:color .25s ease,border-color .25s ease,background-color .25s ease;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
.num{font-variant-numeric:tabular-nums;}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:92px 0;}
.section-alt{background:var(--alt);}
.sec-head{margin-bottom:44px;max-width:760px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.14em;font-weight:700;color:var(--brand);background:var(--brand-soft);padding:6px 14px;border-radius:999px;margin-bottom:16px;text-transform:uppercase;}
.sec-sub{color:var(--t2);font-size:16px;margin-top:14px;}

/* ============ 左侧导航 ============ */
.side-nav{
  position:fixed;top:0;left:0;width:var(--nav-w);height:100vh;
  background:var(--ink);display:flex;flex-direction:column;
  z-index:1030;overflow-y:auto;
}
.side-brand{
  display:flex;align-items:center;gap:12px;padding:26px 22px 22px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.brand-mark{position:relative;width:34px;height:34px;flex:0 0 34px;background:var(--brand);border-radius:9px;}
.brand-mark::after{content:"";position:absolute;right:-5px;bottom:-5px;width:13px;height:13px;border-radius:50%;background:var(--lime);border:2px solid var(--ink);}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{color:#fff;font-size:16px;font-weight:700;letter-spacing:-0.01em;}
.brand-text span{color:rgba(255,255,255,.5);font-size:11px;letter-spacing:.12em;margin-top:3px;}
.side-menu{padding:16px 0;flex:1 1 auto;}
.side-menu a{
  position:relative;display:flex;align-items:center;gap:11px;
  height:44px;padding:0 22px;font-size:15px;color:rgba(255,255,255,.72);
}
.side-menu a i{width:18px;text-align:center;font-size:14px;color:rgba(255,255,255,.45);}
.side-menu a::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:transparent;
  transition:background-color .25s ease;
}
.side-menu a:hover{color:#fff;background:rgba(255,255,255,.06);}
.side-menu a:hover::before{background:var(--brand);}
.side-menu a.active{color:#fff;background:rgba(255,255,255,.06);font-weight:600;}
.side-menu a.active::before{background:var(--brand);}
.side-menu a.active i{color:var(--brand);}
.side-foot{padding:20px 22px 26px;border-top:1px solid rgba(255,255,255,.08);}
.side-foot .btn-main{width:100%;justify-content:center;margin-bottom:16px;}
.side-foot p{margin:0;font-size:13px;color:rgba(255,255,255,.52);line-height:1.9;}
.side-foot p i{color:var(--brand);margin-right:6px;}

/* ============ 移动端导航 ============ */
.mobile-bar{
  position:sticky;top:0;z-index:1020;display:none;align-items:center;justify-content:space-between;
  height:60px;padding:0 20px;background:var(--ink);border-bottom:1px solid var(--brand);
}
.mobile-bar .brand-text strong{font-size:15px;}
.burger{background:none;border:0;padding:6px;display:flex;flex-direction:column;gap:5px;cursor:pointer;}
.burger span{display:block;width:24px;height:2px;background:#fff;border-radius:2px;transition:transform .28s ease,opacity .28s ease;}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.burger.open span:nth-child(2){opacity:0;}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.drawer{
  position:fixed;inset:60px 0 0 0;background:var(--ink);z-index:1019;
  padding:18px 0 30px;transform:translateY(-12px);opacity:0;visibility:hidden;
  transition:opacity .28s ease,transform .28s ease,visibility .28s;
  display:flex;flex-direction:column;overflow-y:auto;
}
.drawer.open{transform:translateY(0);opacity:1;visibility:visible;}
.drawer a{
  display:flex;align-items:center;gap:12px;height:52px;padding:0 22px;
  font-size:16px;color:rgba(255,255,255,.78);border-left:3px solid transparent;
}
.drawer a i{width:18px;color:rgba(255,255,255,.42);}
.drawer a:hover,.drawer a.active{color:#fff;background:rgba(255,255,255,.06);border-left-color:var(--brand);}
.drawer-foot{padding:22px;border-top:1px solid rgba(255,255,255,.08);margin-top:auto;}
.drawer-foot p{margin:12px 0 0;font-size:13px;color:rgba(255,255,255,.5);line-height:1.9;}

/* ============ 内容区 ============ */
.site-main,.site-foot{margin-left:var(--nav-w);}

/* ============ Hero ============ */
.hero{
  position:relative;
  background-color:var(--bg);
  background-image:repeating-linear-gradient(115deg,rgba(240,90,40,.05) 0 2px,transparent 2px 16px);
  padding:70px 0 78px;
  overflow:hidden;
}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:52px;align-items:center;min-height:600px;}
.hero h1{margin-bottom:20px;}
.hero h1 em{font-style:normal;color:var(--brand);}
.hero-lead{font-size:18px;color:var(--t2);max-width:520px;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:40px;}
.hero-metrics{display:flex;flex-wrap:wrap;gap:0;border-top:1px solid var(--line);padding-top:24px;}
.hero-metrics .m{padding:0 26px;border-left:1px solid var(--line);}
.hero-metrics .m:first-child{padding-left:0;border-left:0;}
.m-num{display:block;font-size:32px;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1.2;}
.m-num small{font-size:14px;font-weight:600;color:var(--brand);margin-left:2px;}
.m-txt{display:block;font-size:13px;color:var(--t3);margin-top:4px;}
.hero-figure{position:relative;}
.hero-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);box-shadow:var(--sh-2);}
.data-card{
  position:absolute;right:-10px;bottom:26px;background:#fff;border-top:3px solid var(--brand);
  border-radius:14px;padding:16px 20px;box-shadow:var(--sh-2);min-width:190px;
}
.data-card .dc-top{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--t3);letter-spacing:.06em;}
.dot{width:8px;height:8px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 3px rgba(198,242,78,.28);}
.dc-num{display:block;font-size:30px;font-weight:700;font-variant-numeric:tabular-nums;line-height:1.2;margin-top:6px;}
.dc-note{font-size:12px;color:var(--t3);}

/* ============ 按钮 ============ */
.btn-main,.btn-line,.btn-ghost{
  display:inline-flex;align-items:center;gap:9px;font-size:15px;font-weight:600;
  padding:13px 26px;border-radius:var(--r-btn);cursor:pointer;border:1.5px solid transparent;
  transition:all .28s ease;
}
.btn-main{background:var(--brand);color:#fff;box-shadow:0 1px 2px rgba(22,25,29,.06);}
.btn-main:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-main:active{transform:translateY(0);}
.btn-line{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-line:hover{background:var(--ink);color:#fff;transform:translateY(-2px);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn-ghost:hover{background:#fff;color:var(--ink);}
.btn-sm{padding:9px 18px;font-size:14px;}
.link-more{font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px;}
.link-more:hover{color:var(--brand-dark);gap:10px;}

/* ============ 卡片通用 ============ */
.card-x{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-1);height:100%;
  transition:transform .32s ease,box-shadow .32s ease,border-color .32s ease;
}
.card-x:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(240,90,40,.35);}
.card-x .idx{
  display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;
  border-radius:10px;background:var(--brand-soft);color:var(--brand);font-weight:700;
  font-variant-numeric:tabular-nums;font-size:15px;margin-bottom:18px;
}
.card-x h3{margin-bottom:10px;}
.card-x p{color:var(--t2);font-size:15px;margin-bottom:0;}
.card-lead{
  display:grid;grid-template-columns:1.05fr .95fr;gap:0;overflow:hidden;padding:0;
}
.card-lead .cl-body{padding:34px;display:flex;flex-direction:column;justify-content:center;}
.card-lead img{width:100%;height:100%;min-height:260px;object-fit:cover;}
.tag{
  display:inline-block;font-size:12px;letter-spacing:.06em;font-weight:600;
  padding:5px 12px;border-radius:999px;background:var(--brand-soft);color:var(--brand);
}
.tag-gray{background:var(--alt);color:var(--ink-2);}

/* ============ 场景演示 ============ */
.scene{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:44px 0;}
.scene + .scene{border-top:1px solid var(--line);}
.scene img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-img);box-shadow:var(--sh-1);}
.scene.rev img{order:2;}
.steps{margin-top:24px;}
.steps li{display:flex;gap:16px;padding:14px 0;border-bottom:1px dashed var(--line);}
.steps li:last-child{border-bottom:0;}
.steps .s-num{
  font-variant-numeric:tabular-nums;font-weight:700;font-size:20px;color:var(--brand);
  min-width:34px;line-height:1.4;
}
.steps .s-txt strong{display:block;font-size:15px;margin-bottom:4px;}
.steps .s-txt span{font-size:14px;color:var(--t2);}

/* ============ 资讯列表 ============ */
.news-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;height:100%;display:flex;flex-direction:column;
  transition:transform .32s ease,box-shadow .32s ease,border-color .32s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(240,90,40,.35);}
.news-thumb{display:block;overflow:hidden;background:var(--alt);}
.news-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .32s ease;}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1 1 auto;}
.news-body .tag{align-self:flex-start;margin-bottom:14px;}
.news-body h3{font-size:17px;line-height:1.45;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-body p{font-size:14px;color:var(--t2);margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--t3);}
.news-meta .d{font-variant-numeric:tabular-nums;}
.news-meta .go{color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.news-card:hover .news-meta .go{gap:10px;}
.empty-box{
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:12px;text-align:center;background:var(--card);border:1px dashed var(--line);
  border-radius:var(--r-card);padding:40px 24px;
}
.empty-box i{font-size:30px;color:var(--t3);}
.empty-box strong{font-size:16px;}
.empty-box span{font-size:14px;color:var(--t2);}

/* ============ 社会认同 ============ */
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;}
.stat-row .st{padding:30px 24px;border-left:1px solid var(--line);text-align:center;}
.stat-row .st:first-child{border-left:0;}
.stat-row .st b{display:block;font-size:34px;font-weight:700;font-variant-numeric:tabular-nums;line-height:1.2;}
.stat-row .st span{display:block;font-size:13px;color:var(--t3);margin-top:6px;}
.partner-row{display:flex;flex-wrap:wrap;gap:14px 34px;margin:34px 0 44px;}
.partner-row span{font-size:14px;font-weight:600;color:#A9A199;letter-spacing:.04em;}
.quote-card{background:var(--bg);border-left:3px solid var(--brand);border-radius:0 var(--r-card) var(--r-card) 0;padding:26px 28px;height:100%;}
.quote-card p{font-size:15px;color:var(--ink-2);margin-bottom:18px;}
.quote-card .q-who{font-size:13px;color:var(--t3);}
.quote-card .q-who b{color:var(--t1);font-size:14px;display:block;margin-bottom:2px;}

/* ============ FAQ ============ */
.faq-acc{--bs-accordion-border-width:1px;border:0;}
.faq-acc .accordion-item{
  border:1px solid var(--line);border-radius:var(--r-card)!important;background:var(--card);
  margin-bottom:14px;overflow:hidden;box-shadow:var(--sh-1);
}
.faq-acc .accordion-button{
  background:var(--card);color:var(--t1);font-weight:600;font-size:16px;
  padding:22px 26px;border:0;box-shadow:none;position:relative;
}
.faq-acc .accordion-button::before{
  content:"+";margin-left:auto;font-size:20px;font-weight:600;color:var(--brand);
  width:26px;height:26px;display:flex;align-items:center;justify-content:center;
  border-radius:8px;background:var(--brand-soft);flex:0 0 26px;
}
.faq-acc .accordion-button::after{display:none;}
.faq-acc .accordion-button:not(.collapsed){background:var(--brand-soft);color:var(--ink);}
.faq-acc .accordion-button:not(.collapsed)::before{content:"−";background:var(--brand);color:#fff;}
.faq-acc .accordion-button:focus{box-shadow:none;border-color:var(--line);}
.faq-acc .accordion-button:not(.collapsed){
  border-left:3px solid var(--brand);
}
.faq-acc .accordion-body{padding:4px 26px 24px;color:var(--t2);font-size:15px;line-height:1.85;}

/* ============ CTA ============ */
.cta-band{
  background:var(--ink);border-radius:20px;padding:52px 56px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-40px;top:-40px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(240,90,40,.32),transparent 68%);
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.1vw,30px);margin-bottom:10px;position:relative;}
.cta-band p{color:rgba(255,255,255,.72);margin:0;font-size:15px;position:relative;}
.cta-band .cta-btns{display:flex;gap:14px;flex-wrap:wrap;position:relative;}

/* ============ 页脚 ============ */
.site-foot{background:var(--ink);color:rgba(255,255,255,.72);border-top:1px solid var(--brand);}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px;padding:64px 0 46px;}
.foot-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.foot-grid h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px;letter-spacing:0;}
.foot-grid p{font-size:14px;line-height:1.9;margin:0;}
.foot-grid li{margin-bottom:10px;}
.foot-grid li a{font-size:14px;color:rgba(255,255,255,.72);display:inline-flex;align-items:center;gap:7px;transition:color .25s ease,transform .25s ease;}
.foot-grid li a:hover{color:var(--brand);transform:translateX(2px);}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0 26px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5);}

/* ============ 底部转化条 ============ */
.convert-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;
  background:var(--ink);border-top:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:12px 26px;transform:translateY(0);transition:transform .38s ease;
}
.convert-bar.hide{transform:translateY(110%);}
.cb-text{color:rgba(255,255,255,.82);font-size:14px;display:flex;align-items:center;gap:10px;}
.cb-text i{color:var(--lime);}
.cb-btns{display:flex;align-items:center;gap:12px;}
.cb-close{background:none;border:0;color:rgba(255,255,255,.5);font-size:18px;line-height:1;cursor:pointer;padding:4px 6px;}
.cb-close:hover{color:#fff;}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  :root{--nav-w:216px;}
  .wrap{padding:0 28px;}
  .hero-grid{gap:40px;}
  .card-lead .cl-body{padding:28px;}
}
@media (max-width:991.98px){
  :root{--nav-w:0px;}
  body{padding-bottom:70px;}
  .side-nav{display:none;}
  .mobile-bar{display:flex;}
  .site-main,.site-foot{margin-left:0;}
  .hero{padding:48px 0 56px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;min-height:auto;}
  .hero-figure{order:-1;}
  .hero-figure img{aspect-ratio:16/9;}
  .data-card{right:12px;bottom:14px;padding:13px 16px;min-width:160px;}
  .dc-num{font-size:24px;}
  .section{padding:64px 0;}
  .scene{grid-template-columns:1fr;gap:28px;padding:32px 0;}
  .scene.rev img{order:0;}
  .stat-row{grid-template-columns:repeat(2,1fr);}
  .stat-row .st:nth-child(3){border-left:0;}
  .stat-row .st:nth-child(n+3){border-top:1px solid var(--line);}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 34px;}
  .cta-band{padding:38px 30px;}
}
@media (max-width:767.98px){
  .wrap{padding:0 20px;}
  .section{padding:56px 0;}
  .card-lead{grid-template-columns:1fr;}
  .card-lead img{min-height:200px;aspect-ratio:16/9;order:-1;}
  .hero-metrics{gap:0;}
  .hero-metrics .m{padding:0 16px;}
  .m-num{font-size:26px;}
  .sec-head{margin-bottom:32px;}
  .convert-bar{padding:10px 16px;}
  .cb-text{font-size:13px;}
}
@media (max-width:575.98px){
  body{font-size:15px;}
  .hero h1{font-size:28px;}
  .hero-actions .btn-main,.hero-actions .btn-line{width:100%;justify-content:center;}
  .hero-metrics .m{padding:0 12px;}
  .m-num{font-size:22px;}
  .m-txt{font-size:12px;}
  .stat-row{grid-template-columns:1fr;}
  .stat-row .st{border-left:0!important;border-top:1px solid var(--line);}
  .stat-row .st:first-child{border-top:0;}
  .foot-grid{grid-template-columns:1fr;}
  .cta-band{padding:30px 22px;border-radius:16px;}
  .cta-band .cta-btns{width:100%;}
  .cta-band .cta-btns a{flex:1 1 auto;justify-content:center;}
  .card-x{padding:22px;}
  .convert-bar{gap:10px;}
  .cb-text{display:none;}
  .cb-btns{width:100%;}
  .cb-btns a{flex:1 1 0;justify-content:center;}
}

/* roulang page: article */
:root{
  --brand:#F05A28;
  --brand-dark:#C4441A;
  --brand-soft:#FFF1E8;
  --ink:#16191D;
  --ink-2:#3A4046;
  --lime:#C6F24E;
  --bg:#F7F5F2;
  --card:#FFFFFF;
  --alt:#F1EDE8;
  --line:#E6E1DA;
  --t1:#1B1E22;
  --t2:#62696F;
  --t3:#949A9F;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(22,25,29,.06);
  --sh-2:0 12px 28px -12px rgba(22,25,29,.18);
  --side-w:248px;
  --bs-primary:#F05A28;
  --bs-body-bg:#F7F5F2;
  --bs-body-color:#1B1E22;
  --bs-border-radius:10px;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--t1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{margin:0;letter-spacing:-0.02em;color:var(--t1);}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

.wrap{max-width:1200px;margin:0 auto;padding:0 32px;}

/* ---------- 侧栏导航 ---------- */
.side-bar{
  position:fixed;top:0;left:0;bottom:0;width:var(--side-w);
  background:var(--ink);color:#fff;display:flex;flex-direction:column;
  padding:26px 20px 22px;z-index:1040;
}
.side-head{display:flex;align-items:center;gap:10px;padding-bottom:22px;border-bottom:1px solid rgba(255,255,255,.09);}
.brand-mark{width:14px;height:14px;background:var(--brand);border-radius:4px;position:relative;flex:0 0 auto;}
.brand-mark::after{content:"";position:absolute;right:-4px;top:-4px;width:7px;height:7px;border-radius:50%;background:var(--lime);}
.side-brand{font-size:19px;font-weight:700;color:#fff;letter-spacing:-0.01em;}
.side-menu{margin-top:18px;display:flex;flex-direction:column;gap:2px;overflow-y:auto;flex:1 1 auto;}
.side-menu a{
  position:relative;display:flex;align-items:center;gap:10px;height:44px;padding:0 12px 0 14px;
  font-size:15px;color:rgba(255,255,255,.74);border-radius:8px;transition:background .25s ease,color .25s ease;
}
.side-menu a i{width:16px;font-size:14px;color:rgba(255,255,255,.45);transition:color .25s ease;}
.side-menu a::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:2px;background:transparent;transition:background .25s ease;
}
.side-menu a:hover,.side-menu a.active{color:#fff;background:rgba(255,255,255,.06);}
.side-menu a:hover i,.side-menu a.active i{color:var(--brand);}
.side-menu a:hover::before,.side-menu a.active::before{background:var(--brand);}
.side-foot{margin-top:18px;padding-top:18px;border-top:1px solid rgba(255,255,255,.09);}
.side-foot p{margin:8px 0 0;font-size:13px;color:rgba(255,255,255,.55);}
.side-foot .btn{margin-bottom:6px;}

/* ---------- 移动端顶栏与抽屉 ---------- */
.top-bar{
  display:none;position:fixed;top:0;left:0;right:0;height:60px;z-index:1050;
  background:var(--ink);border-bottom:1px solid var(--brand);
  align-items:center;justify-content:space-between;padding:0 18px;
}
.top-brand{display:flex;align-items:center;gap:9px;color:#fff;font-weight:700;font-size:17px;letter-spacing:-0.01em;}
.menu-btn{background:transparent;border:1px solid rgba(255,255,255,.25);color:#fff;width:40px;height:40px;border-radius:10px;font-size:17px;}
.menu-btn:hover{background:rgba(255,255,255,.1);}
.mobile-drawer{background:var(--ink)!important;color:#fff;width:290px!important;border-right:1px solid rgba(255,255,255,.1);}
.mobile-drawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.1);padding:20px;}
.mobile-drawer .offcanvas-body{padding:18px 20px 26px;}
.mobile-drawer .side-menu a{height:46px;font-size:16px;}
.drawer-close{background:transparent;border:0;color:rgba(255,255,255,.7);font-size:20px;}

/* ---------- 主内容 ---------- */
.content{margin-left:var(--side-w);min-height:100vh;}
body.has-dock{padding-bottom:96px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  border:1.5px solid transparent;cursor:pointer;transition:all .25s ease;line-height:1;
}
.btn-brand{background:var(--brand);color:#fff;box-shadow:var(--sh-1);}
.btn-brand:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:var(--sh-2);color:#fff;}
.btn-brand:active{transform:translateY(0);}
.btn-line{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-line:hover{background:var(--ink);color:#fff;transform:translateY(-2px);}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.6);}
.btn-ghost-light:hover{background:#fff;color:var(--ink);}
.btn-block{width:100%;}
.btn-sm{height:40px;padding:0 16px;font-size:14px;}

/* ---------- 面包屑 ---------- */
.crumb{padding:30px 0 0;}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--t3);}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb li+li::before{content:"/";color:var(--line);font-weight:300;}
.crumb a{color:var(--t3);transition:color .2s ease;}
.crumb a:hover{color:var(--brand);}
.crumb li[aria-current] span,.crumb li.current{color:var(--t1);font-weight:600;max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 文章头 ---------- */
.article-head{padding:26px 0 30px;}
.badge-cat{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-dark);font-size:12px;font-weight:600;letter-spacing:.06em;
}
.article-head h1{
  margin:16px 0 0;font-size:clamp(30px,3.4vw,40px);line-height:1.2;font-weight:700;
  max-width:900px;
}
.article-meta{
  display:flex;flex-wrap:wrap;gap:22px;margin-top:18px;font-size:13px;color:var(--t3);
}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{color:var(--brand);}

/* ---------- 正文 ---------- */
.article-shell{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:44px 56px;margin-bottom:34px;
}
.article-body{max-width:780px;margin:0 auto;font-size:17px;line-height:1.9;color:var(--t1);}
.article-body h2{
  font-size:clamp(22px,2.2vw,28px);line-height:1.3;font-weight:700;margin:44px 0 16px;
  padding-left:14px;position:relative;
}
.article-body h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--brand);}
.article-body h3{font-size:20px;font-weight:600;margin:30px 0 12px;color:var(--ink);}
.article-body p{margin:0 0 1.2em;}
.article-body a{color:var(--ink);border-bottom:1px solid var(--brand);transition:color .2s ease,border-color .2s ease;}
.article-body a:hover{color:var(--brand);}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:0;}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:8px;}
.article-body ul li::before{content:"";position:absolute;left:2px;top:12px;width:7px;height:7px;border-radius:50%;background:var(--brand);}
.article-body ol{counter-reset:li;}
.article-body ol li{position:relative;padding-left:30px;margin-bottom:8px;counter-increment:li;}
.article-body ol li::before{
  content:counter(li,decimal-leading-zero);position:absolute;left:0;top:0;color:var(--brand);
  font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;
}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;background:var(--alt);border-left:3px solid var(--brand);
  border-radius:0 10px 10px 0;font-size:17px;color:var(--ink-2);
}
.article-body img{border-radius:var(--r-img);margin:24px 0 8px;width:100%;}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;display:block;overflow-x:auto;}
.article-body th{background:#EAE5DE;color:var(--ink);text-align:left;}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);}
.article-body tbody tr:nth-child(even){background:#FAF8F5;}

/* ---------- 标签 ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;max-width:780px;margin:0 auto;padding-top:26px;border-top:1px solid var(--line);}
.tag-row .tag-label{font-size:13px;color:var(--t3);letter-spacing:.06em;margin-right:4px;}
.badge-tag{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;
  background:var(--alt);color:var(--ink-2);font-size:12.5px;transition:all .25s ease;
}
.badge-tag:hover{background:var(--brand-soft);color:var(--brand-dark);transform:translateY(-2px);}

/* ---------- 空态 ---------- */
.empty-state{
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:12px;text-align:center;color:var(--t2);max-width:780px;margin:0 auto;
}
.empty-state i{font-size:34px;color:var(--brand);}
.empty-state strong{font-size:19px;color:var(--ink);font-weight:600;}
.empty-state p{font-size:14px;color:var(--t3);margin:0;}

/* ---------- 相关推荐 ---------- */
.related{padding:8px 0 10px;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:22px;}
.sec-head h2{font-size:clamp(22px,2.2vw,28px);font-weight:700;}
.sec-head .more{font-size:14px;color:var(--brand);font-weight:600;}
.sec-head .more:hover{color:var(--brand-dark);}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform .32s ease,box-shadow .32s ease,border-color .32s ease;
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(240,90,40,.35);}
.card-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--alt);}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .32s ease;}
.card:hover .card-thumb img{transform:scale(1.04);}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.card-body h3{font-size:17px;font-weight:600;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-body p{font-size:14px;color:var(--t2);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-meta{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:12px;border-top:1px solid var(--line);font-size:12.5px;color:var(--t3);}
.card-meta .go{color:var(--brand);font-weight:600;}
.card-meta .go:hover{color:var(--brand-dark);}

/* ---------- 返回与 CTA ---------- */
.return-row{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin:30px 0 4px;}
.cta-block{
  position:relative;border-radius:var(--r-card);overflow:hidden;margin:40px 0 10px;
  background:url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
}
.cta-block::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(22,25,29,.94) 0%,rgba(22,25,29,.78) 60%,rgba(22,25,29,.5) 100%);}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:26px;padding:38px 42px;}
.cta-inner h2{color:#fff;font-size:clamp(21px,2.1vw,26px);font-weight:700;margin-bottom:8px;}
.cta-inner p{color:rgba(255,255,255,.72);margin:0;font-size:14.5px;}

/* ---------- 页脚 ---------- */
.site-foot{background:var(--ink);color:#fff;border-top:1px solid var(--brand);margin-top:56px;padding:52px 0 0;}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px;padding-bottom:38px;}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.foot-brand .brand-text strong{font-size:18px;font-weight:700;color:#fff;letter-spacing:-0.01em;}
.site-foot p{font-size:14px;color:rgba(255,255,255,.72);margin:0 0 10px;line-height:1.7;}
.site-foot h4{font-size:14px;color:#fff;font-weight:700;letter-spacing:.06em;margin-bottom:16px;}
.site-foot ul li{margin-bottom:10px;}
.site-foot ul a{font-size:14px;color:rgba(255,255,255,.72);display:inline-flex;align-items:center;gap:8px;transition:color .22s ease,transform .22s ease;}
.site-foot ul a i{color:var(--brand);font-size:11px;}
.site-foot ul a:hover{color:var(--brand);transform:translateX(2px);}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0;display:flex;flex-wrap:wrap;
  gap:10px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- 底部固定转化条 ---------- */
.dock-bar{
  position:fixed;left:var(--side-w);right:0;bottom:0;z-index:1030;background:var(--ink);
  border-top:1px solid rgba(255,255,255,.1);transform:translateY(0);transition:transform .4s ease;
}
.dock-bar.hide{transform:translateY(110%);}
.dock-inner{display:flex;align-items:center;gap:20px;padding:12px 32px;max-width:1200px;margin:0 auto;}
.dock-text{color:#fff;font-size:14.5px;font-weight:600;margin:0;flex:1 1 auto;}
.dock-actions{display:flex;gap:12px;align-items:center;}
.dock-close{
  background:transparent;border:1px solid rgba(255,255,255,.25);color:rgba(255,255,255,.7);
  width:32px;height:32px;border-radius:8px;font-size:16px;line-height:1;cursor:pointer;transition:all .22s ease;
}
.dock-close:hover{background:rgba(255,255,255,.12);color:#fff;}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  :root{--side-w:216px;}
  .side-menu a{font-size:14.5px;padding-left:12px;}
  .wrap{padding:0 26px;}
}
@media (max-width:991.98px){
  .side-bar{display:none;}
  .top-bar{display:flex;}
  .content{margin-left:0;padding-top:60px;}
  .dock-bar{left:0;}
  .dock-inner{padding:12px 20px;}
  .article-shell{padding:32px 26px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .foot-grid{grid-template-columns:1fr 1fr;}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:30px 26px;}
}
@media (max-width:767.98px){
  body{font-size:15.5px;}
  .wrap{padding:0 20px;}
  .article-shell{padding:26px 20px;border-radius:14px;}
  .article-body{font-size:16px;}
  .crumb{padding-top:22px;}
  .article-head{padding:20px 0 24px;}
  .card-grid{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr;gap:26px;}
  .dock-text{font-size:13.5px;}
  .dock-actions .btn{height:42px;padding:0 16px;font-size:14px;}
  body.has-dock{padding-bottom:90px;}
  .article-meta{gap:14px;}
}
@media (max-width:575.98px){
  .dock-inner{flex-wrap:wrap;gap:10px;}
  .dock-text{flex:1 1 100%;}
  .dock-actions{width:100%;}
  .dock-actions .btn{flex:1 1 0;}
  .return-row .btn{width:100%;}
  .article-head h1{font-size:28px;}
}

/* roulang page: category1 */
:root{
  --brand:#F05A28;
  --brand-dark:#C4441A;
  --brand-soft:#FFF1E8;
  --ink:#16191D;
  --ink-2:#3A4046;
  --lime:#C6F24E;
  --bg:#F7F5F2;
  --bg-alt:#F1EDE8;
  --card:#FFFFFF;
  --line:#E6E1DA;
  --text:#1B1E22;
  --text-2:#62696F;
  --text-3:#949A9F;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(22,25,29,.06);
  --sh-2:0 12px 28px -12px rgba(22,25,29,.18);
  --sidebar:248px;
  --bs-primary:#F05A28;
  --bs-body-bg:#F7F5F2;
  --bs-body-color:#1B1E22;
  --bs-border-color:#E6E1DA;
  --bs-border-radius:16px;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  padding-bottom:78px;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
}
body.no-cta{padding-bottom:0;}
img{max-width:100%;height:auto;display:block;}
a{color:var(--ink);text-decoration:none;}
a:focus-visible,button:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-0.02em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.sec{padding:88px 0;}
.sec-alt{background:var(--bg-alt);}
.sec-tight{padding-top:32px;}

/* ---------- 左侧导航 ---------- */
.side-nav{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar);
  background:var(--ink);color:#fff;z-index:1040;
  display:flex;flex-direction:column;
  padding:26px 16px 22px;overflow-y:auto;
}
.side-nav::-webkit-scrollbar{width:6px;}
.side-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:3px;}
.side-brand{display:flex;align-items:center;gap:11px;padding:2px 8px 24px;}
.brand-mark{position:relative;width:26px;height:26px;border-radius:7px;background:var(--brand);flex:0 0 26px;}
.brand-mark::after{content:"";position:absolute;right:-3px;top:-3px;width:9px;height:9px;border-radius:50%;background:var(--lime);}
.brand-name{font-size:17px;font-weight:700;color:#fff;letter-spacing:-0.01em;}
.side-menu{display:flex;flex-direction:column;gap:3px;flex:1 1 auto;}
.side-menu a{
  position:relative;display:flex;align-items:center;gap:12px;
  height:44px;padding:0 14px;border-radius:10px;
  color:rgba(255,255,255,.72);font-size:15px;font-weight:500;
  transition:background .24s ease,color .24s ease,padding-left .24s ease;
}
.side-menu a i{width:16px;text-align:center;font-size:14px;opacity:.92;}
.side-menu a::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;
  border-radius:0 3px 3px 0;background:var(--brand);opacity:0;transition:opacity .24s ease;
}
.side-menu a:hover{color:#fff;background:rgba(255,255,255,.06);padding-left:18px;}
.side-menu a:hover::before{opacity:1;}
.side-menu a.active{color:#fff;background:rgba(255,255,255,.06);}
.side-menu a.active::before{opacity:1;}
.side-foot{border-top:1px solid rgba(255,255,255,.1);padding-top:18px;margin-top:16px;}
.side-foot .btn-brand{width:100%;justify-content:center;margin-bottom:14px;}
.side-foot p{font-size:13px;color:rgba(255,255,255,.55);line-height:1.9;display:flex;align-items:center;gap:9px;}
.side-foot p i{color:var(--brand);font-size:12px;}

/* ---------- 移动端顶栏 ---------- */
.top-bar{
  display:none;position:fixed;top:0;left:0;right:0;height:60px;z-index:1050;
  background:var(--ink);border-bottom:1px solid var(--brand);
  align-items:center;justify-content:space-between;padding:0 18px;
}
.tb-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:16px;font-weight:700;}
.tb-toggle{
  width:42px;height:42px;border:1px solid rgba(255,255,255,.2);border-radius:10px;
  background:transparent;color:#fff;font-size:17px;cursor:pointer;transition:all .24s ease;
}
.tb-toggle:hover{background:rgba(255,255,255,.08);border-color:var(--brand);}
.drawer{background:var(--ink);color:#fff;--bs-offcanvas-width:300px;border-right:1px solid rgba(255,255,255,.08);}
.drawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.1);padding:20px 22px;}
.drawer .offcanvas-body{padding:18px 18px 30px;display:flex;flex-direction:column;}
.drawer .side-menu{flex:1 1 auto;}
.drawer .drawer-foot{border-top:1px solid rgba(255,255,255,.1);padding-top:18px;margin-top:14px;}
.drawer .drawer-foot .btn-brand{width:100%;justify-content:center;margin-bottom:12px;}
.drawer .drawer-foot p{font-size:13px;color:rgba(255,255,255,.55);line-height:1.9;}
.drawer-close{background:transparent;border:0;color:rgba(255,255,255,.7);font-size:20px;cursor:pointer;}

/* ---------- 主区域 ---------- */
.main{margin-left:var(--sidebar);min-height:100vh;}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);padding:26px 0 22px;}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb li+li::before{content:"/";color:var(--line);font-weight:300;}
.crumb a{color:var(--text-2);transition:color .2s ease;}
.crumb a:hover{color:var(--brand);}
.crumb li[aria-current] span{color:var(--ink);font-weight:700;}

/* ---------- 页头 ---------- */
.page-head{
  position:relative;border-radius:20px;overflow:hidden;
  background:url(/assets/images/backpic/back-1.png) center/cover no-repeat;
  min-height:300px;display:flex;align-items:center;
  padding:54px 50px;border:1px solid var(--line);box-shadow:var(--sh-1);
}
.page-head::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(247,245,242,.97) 0%,rgba(247,245,242,.92) 46%,rgba(247,245,242,.66) 100%);
}
.page-head::after{
  content:"";position:absolute;right:-60px;top:-40px;width:280px;height:280px;
  background-image:radial-gradient(rgba(240,90,40,.28) 1.4px,transparent 1.4px);
  background-size:14px 14px;opacity:.5;pointer-events:none;
}
.head-inner{position:relative;z-index:2;max-width:660px;}
.badge-cat{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand-soft);color:var(--brand-dark);
  border-radius:var(--r-pill);padding:7px 15px;
  font-size:12.5px;font-weight:600;letter-spacing:.06em;margin-bottom:18px;
}
.badge-cat .dot{width:7px;height:7px;border-radius:50%;background:var(--brand);}
.page-head h1{font-size:clamp(30px,3.4vw,46px);line-height:1.15;font-weight:700;margin-bottom:16px;}
.page-head h1 em{font-style:normal;color:var(--brand);}
.head-lead{font-size:16.5px;color:var(--text-2);line-height:1.8;max-width:560px;}
.head-meta{display:flex;flex-wrap:wrap;gap:12px 30px;margin-top:26px;}
.head-meta div{font-size:14px;color:var(--text-2);display:flex;align-items:center;gap:9px;}
.head-meta i{color:var(--brand);}
.head-meta b{color:var(--ink);font-weight:700;}

/* ---------- 按钮 ---------- */
.btn-brand,.btn-line,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-size:15px;font-weight:600;line-height:1;letter-spacing:.02em;
  padding:14px 26px;border-radius:var(--r-btn);
  transition:background .28s ease,color .28s ease,border-color .28s ease,transform .28s ease,box-shadow .28s ease;
  cursor:pointer;border:1.5px solid transparent;
}
.btn-brand{background:var(--brand);border-color:var(--brand);color:#fff;}
.btn-brand:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px -12px rgba(240,90,40,.65);}
.btn-brand:active{transform:translateY(0);box-shadow:none;}
.btn-line{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-line:hover{background:var(--ink);color:#fff;transform:translateY(-2px);}
.btn-line:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.45);color:#fff;}
.btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff;transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}

/* ---------- 板块标题 ---------- */
.sec-head{max-width:700px;margin-bottom:48px;}
.sec-head .eyebrow{
  display:inline-block;font-size:12.5px;font-weight:600;letter-spacing:.1em;
  color:var(--brand-dark);background:var(--brand-soft);
  padding:6px 13px;border-radius:var(--r-pill);margin-bottom:16px;
}
.sec-head h2{font-size:clamp(24px,2.4vw,34px);line-height:1.25;font-weight:700;margin-bottom:16px;}
.sec-head p{color:var(--text-2);font-size:16px;}

/* ---------- 速览条 ---------- */
.quick-row{
  display:grid;grid-template-columns:repeat(3,1fr);
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;margin-top:-38px;position:relative;z-index:5;
}
.quick-row .q-item{padding:26px 28px;border-right:1px solid var(--line);transition:background .28s ease;}
.quick-row .q-item:last-child{border-right:0;}
.quick-row .q-item:hover{background:var(--brand-soft);}
.q-item .q-no{font-size:13px;font-weight:700;color:var(--brand);letter-spacing:.08em;margin-bottom:8px;}
.q-item h3{font-size:17px;font-weight:600;margin-bottom:7px;}
.q-item p{font-size:14px;color:var(--text-2);line-height:1.7;}

/* ---------- 图文交替 ---------- */
.split{padding:56px 0;border-bottom:1px solid var(--line);}
.split:first-child{padding-top:0;}
.split:last-child{border-bottom:0;padding-bottom:0;}
.split .media{
  position:relative;border-radius:var(--r-img);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh-1);
  transition:box-shadow .32s ease,border-color .32s ease;
}
.split .media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .32s ease;}
.split .media:hover{box-shadow:var(--sh-2);border-color:rgba(240,90,40,.35);}
.split .media:hover img{transform:scale(1.04);}
.media-tag{
  position:absolute;left:16px;top:16px;z-index:2;
  background:rgba(22,25,29,.82);color:#fff;
  font-size:12px;letter-spacing:.06em;padding:6px 13px;border-radius:var(--r-pill);
}
.split-text .step-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;background:var(--ink);color:var(--lime);
  font-size:17px;font-weight:700;margin-bottom:18px;
}
.split-text h3{font-size:22px;font-weight:700;margin-bottom:14px;line-height:1.4;}
.split-text > p{color:var(--text-2);font-size:16px;margin-bottom:20px;}
.pts li{
  position:relative;padding-left:26px;margin-bottom:12px;
  color:var(--text-2);font-size:15.5px;line-height:1.7;
}
.pts li:last-child{margin-bottom:0;}
.pts li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;
  border-radius:50%;background:var(--brand);
}
.pts li b{color:var(--ink);font-weight:600;}

/* ---------- 数据条 ---------- */
.stats-band{background:var(--ink);color:#fff;border-radius:20px;padding:46px 40px;}
.stats-band h2{color:#fff;font-size:clamp(22px,2.2vw,30px);margin-bottom:12px;}
.stats-band .band-lead{color:rgba(255,255,255,.7);max-width:620px;margin-bottom:34px;font-size:15.5px;}
.stats{display:grid;grid-template-columns:repeat(4,1fr);}
.stat{padding:4px 24px;border-left:1px solid rgba(255,255,255,.16);}
.stat:first-child{border-left:0;padding-left:0;}
.stat b{display:block;font-size:clamp(28px,3vw,40px);font-weight:700;line-height:1.1;color:#fff;}
.stat b span{color:var(--brand);font-size:.62em;margin-left:3px;font-weight:600;}
.stat p{font-size:13px;color:rgba(255,255,255,.66);margin-top:8px;}

/* ---------- FAQ ---------- */
.accordion-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  margin-bottom:14px;overflow:hidden;box-shadow:var(--sh-1);
}
.accordion-item:last-child{margin-bottom:0;}
.accordion-header{margin:0;}
.accordion-button{
  position:relative;width:100%;text-align:left;
  background:#fff;color:var(--ink);
  font-size:16.5px;font-weight:600;line-height:1.5;
  padding:21px 62px 21px 24px;border:0;box-shadow:none;
  border-radius:var(--r-card);
  transition:background .3s ease,color .3s ease,padding-left .3s ease;
}
.accordion-button::before{
  content:"";position:absolute;left:0;top:13px;bottom:13px;width:3px;
  background:var(--brand);border-radius:0 3px 3px 0;
  transform:scaleY(0);transform-origin:center;transition:transform .3s ease;
}
.accordion-button::after{
  content:"";position:absolute;right:24px;top:50%;width:14px;height:14px;margin:0;
  transform:translateY(-50%);
  background-color:transparent;
  background-image:linear-gradient(currentColor,currentColor),linear-gradient(currentColor,currentColor);
  background-size:14px 2px,2px 14px;
  background-position:center,center;
  background-repeat:no-repeat;
  transition:background-size .3s ease,color .3s ease;
}
.accordion-button:not(.collapsed){
  background:var(--brand-soft);color:var(--brand-dark);padding-left:32px;
  box-shadow:none;
}
.accordion-button:not(.collapsed)::before{transform:scaleY(1);}
.accordion-button:not(.collapsed)::after{
  background-image:linear-gradient(currentColor,currentColor),linear-gradient(currentColor,currentColor);
  background-size:14px 2px,0 14px;
}
.accordion-button:focus{box-shadow:none;border-color:transparent;}
.accordion-button:focus-visible{outline:2px solid var(--brand);outline-offset:-2px;}
.accordion-body{padding:4px 32px 24px;color:var(--text-2);font-size:15.5px;line-height:1.85;}

/* ---------- CTA 通栏 ---------- */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  background:linear-gradient(96deg,var(--brand) 0%,var(--brand-dark) 100%);
  border-radius:20px;padding:40px 44px;color:#fff;box-shadow:0 18px 40px -22px rgba(240,90,40,.8);
}
.cta-band h2{color:#fff;font-size:clamp(21px,2.2vw,28px);margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.86);font-size:15.5px;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.cta-actions .btn-light-solid{
  display:inline-flex;align-items:center;gap:9px;
  background:#fff;color:var(--brand-dark);font-size:15px;font-weight:600;line-height:1;
  padding:14px 26px;border-radius:var(--r-btn);border:1.5px solid #fff;
  transition:all .28s ease;
}
.cta-actions .btn-light-solid:hover{background:transparent;color:#fff;transform:translateY(-2px);}
.cta-actions .btn-outline-light2{
  display:inline-flex;align-items:center;gap:9px;
  background:transparent;color:#fff;font-size:15px;font-weight:600;line-height:1;
  padding:14px 26px;border-radius:var(--r-btn);border:1.5px solid rgba(255,255,255,.6);
  transition:all .28s ease;
}
.cta-actions .btn-outline-light2:hover{background:#fff;color:var(--brand-dark);border-color:#fff;transform:translateY(-2px);}

/* ---------- 页脚 ---------- */
.site-foot{
  margin-left:var(--sidebar);
  background:var(--ink);color:rgba(255,255,255,.72);
  border-top:1px solid var(--brand);padding:64px 0 0;
}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.foot-brand{display:flex;align-items:center;gap:11px;margin-bottom:18px;}
.foot-brand .brand-text strong{font-size:17px;font-weight:700;color:#fff;}
.site-foot h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px;letter-spacing:.02em;}
.site-foot p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.68);}
.site-foot ul li{margin-bottom:11px;}
.site-foot ul a{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;
  color:rgba(255,255,255,.72);transition:color .24s ease,transform .24s ease;
}
.site-foot ul a i{font-size:11px;color:var(--brand);}
.site-foot ul a:hover{color:var(--brand);transform:translateX(2px);}
.foot-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.55);
}

/* ---------- 底部固定转化条 ---------- */
.sticky-cta{
  position:fixed;left:var(--sidebar);right:0;bottom:0;z-index:1030;
  background:var(--ink);border-top:1px solid rgba(255,255,255,.12);
  box-shadow:0 -10px 30px -18px rgba(22,25,29,.7);
  animation:ctaUp .5s ease both;
}
@keyframes ctaUp{from{transform:translateY(100%);}to{transform:translateY(0);}}
.sticky-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:14px;padding-bottom:14px;}
.sticky-text{color:#fff;font-size:14.5px;font-weight:600;display:flex;align-items:center;gap:10px;}
.sticky-text::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--lime);}
.sticky-actions{display:flex;gap:12px;align-items:center;}
.sticky-actions .btn-brand,.sticky-actions .btn-ghost{padding:11px 20px;font-size:14px;}
.sticky-close{
  background:transparent;border:0;color:rgba(255,255,255,.5);
  font-size:20px;line-height:1;cursor:pointer;padding:4px 6px;border-radius:8px;
  transition:color .24s ease,background .24s ease;
}
.sticky-close:hover{color:#fff;background:rgba(255,255,255,.1);}

/* ---------- 响应式 ---------- */
@media (min-width:992px) and (max-width:1199.98px){
  :root{--sidebar:216px;}
  .side-nav{padding:22px 12px 18px;}
  .side-menu a{font-size:14.5px;padding:0 12px;}
  .page-head{padding:46px 38px;}
}
@media (max-width:991.98px){
  :root{--sidebar:0px;}
  body{padding-top:60px;}
  .side-nav{display:none;}
  .top-bar{display:flex;}
  .main{margin-left:0;}
  .site-foot{margin-left:0;padding-top:52px;}
  .sticky-cta{left:0;bottom:0;}
  .sec{padding:56px 0;}
  .sec-tight{padding-top:24px;}
  .wrap{padding:0 20px;}
  .page-head{padding:36px 24px;min-height:auto;border-radius:16px;}
  .head-lead{font-size:15.5px;}
  .quick-row{grid-template-columns:1fr;margin-top:20px;}
  .quick-row .q-item{border-right:0;border-bottom:1px solid var(--line);padding:22px 22px;}
  .quick-row .q-item:last-child{border-bottom:0;}
  .stats-band{padding:34px 26px;border-radius:16px;}
  .stats{grid-template-columns:1fr 1fr;gap:0;}
  .stat{border-left:0;padding:18px 0;border-bottom:1px solid rgba(255,255,255,.14);}
  .stat:nth-child(odd){padding-right:16px;}
  .stat:nth-child(even){padding-left:20px;border-left:1px solid rgba(255,255,255,.14);}
  .stat:nth-last-child(-n+2){border-bottom:0;}
  .cta-band{padding:30px 26px;border-radius:16px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .split{padding:42px 0;}
  .split-text h3{font-size:20px;}
}
@media (max-width:767.98px){
  body{padding-bottom:118px;}
  body.no-cta{padding-bottom:0;}
  .sec{padding:48px 0;}
  .sec-head{margin-bottom:32px;}
  .crumb{padding:18px 0 16px;}
  .page-head h1{font-size:28px;}
  .head-meta{gap:10px 20px;margin-top:20px;}
  .sticky-inner{flex-direction:column;align-items:stretch;gap:10px;padding-top:12px;padding-bottom:12px;}
  .sticky-text{font-size:13.5px;justify-content:center;}
  .sticky-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
  .sticky-actions .btn-brand,.sticky-actions .btn-ghost{width:100%;justify-content:center;}
  .sticky-close{position:absolute;right:12px;top:8px;}
  .sticky-cta{position:fixed;}
  .stats{grid-template-columns:1fr;}
  .stat{padding:16px 0 !important;border-left:0 !important;}
  .stat:not(:last-child){border-bottom:1px solid rgba(255,255,255,.14);}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .foot-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:575.98px){
  .wrap{padding:0 16px;}
  .sec{padding:42px 0;}
  .btn-brand,.btn-line,.btn-ghost{padding:13px 20px;font-size:14.5px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-light-solid,.cta-actions .btn-outline-light2{width:100%;justify-content:center;}
  .page-head{padding:30px 20px;}
  .accordion-button{font-size:15.5px;padding:18px 54px 18px 20px;}
  .accordion-body{padding:2px 22px 20px;}
}

/* roulang page: category2 */
:root{
  --brand:#F05A28;
  --brand-deep:#C4441A;
  --brand-soft:#FFF1E8;
  --ink:#16191D;
  --ink-2:#3A4046;
  --lime:#C6F24E;
  --bg:#F7F5F2;
  --bg-alt:#F1EDE8;
  --card:#FFFFFF;
  --line:#E6E1DA;
  --text:#1B1E22;
  --text-2:#62696F;
  --text-3:#949A9F;
  --radius-card:16px;
  --radius-img:14px;
  --radius-ctrl:10px;
  --shadow-1:0 1px 2px rgba(22,25,29,.06);
  --shadow-2:0 12px 28px -12px rgba(22,25,29,.18);
  --nav-w:248px;
  --bs-body-bg:#F7F5F2;
  --bs-body-color:#1B1E22;
  --bs-border-radius:12px;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --bs-primary:#F05A28;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  padding-bottom:72px;
  overflow-x:hidden;
}
body.drawer-open{overflow:hidden;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font-family:inherit;}
.num{font-variant-numeric:tabular-nums;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,[tabindex]:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:2px;
  border-radius:6px;
}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}

/* ============ 左侧竖向导航 ============ */
.side-nav{
  position:fixed;left:0;top:0;width:var(--nav-w);height:100vh;
  background:var(--ink);
  display:flex;flex-direction:column;
  padding:26px 18px 22px;
  overflow-y:auto;
  z-index:1040;
  border-right:1px solid rgba(255,255,255,.06);
}
.side-nav::-webkit-scrollbar{width:6px;}
.side-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.16);border-radius:99px;}
.brand{display:flex;align-items:center;gap:11px;padding:0 8px 22px;color:#fff;}
.brand-mark{
  position:relative;width:26px;height:26px;flex:0 0 26px;
  background:var(--brand);border-radius:7px;
  box-shadow:0 6px 16px -8px rgba(240,90,40,.9);
}
.brand-mark::after{
  content:"";position:absolute;right:-3px;bottom:-3px;
  width:9px;height:9px;border-radius:50%;
  background:var(--lime);border:2px solid var(--ink);
}
.brand-name{font-size:17px;font-weight:700;letter-spacing:-.01em;line-height:1.2;}
.nav-label{
  padding:0 12px 10px;font-size:12px;letter-spacing:.12em;
  color:rgba(255,255,255,.38);text-transform:uppercase;
}
.side-menu{display:flex;flex-direction:column;gap:3px;}
.side-menu a{
  display:flex;align-items:center;gap:12px;
  height:44px;padding:0 14px;
  border-left:3px solid transparent;
  border-radius:0 10px 10px 0;
  color:rgba(255,255,255,.72);
  font-size:15px;
  transition:background .24s ease,color .24s ease,border-color .24s ease;
}
.side-menu a i{width:18px;font-size:14px;text-align:center;color:rgba(255,255,255,.5);transition:color .24s ease;}
.side-menu a:hover{color:#fff;background:rgba(255,255,255,.06);border-left-color:var(--brand);}
.side-menu a:hover i{color:var(--brand);}
.side-menu a.active{
  color:#fff;font-weight:600;
  background:rgba(255,255,255,.06);
  border-left-color:var(--brand);
}
.side-menu a.active i{color:var(--brand);}
.side-foot{margin-top:auto;padding-top:26px;}
.btn-side{
  display:flex;align-items:center;justify-content:center;gap:8px;
  height:44px;border-radius:var(--radius-ctrl);
  background:var(--brand);color:#fff;font-size:14px;font-weight:600;
  transition:background .24s ease,transform .24s ease,box-shadow .24s ease;
}
.btn-side:hover{background:var(--brand-deep);transform:translateY(-2px);box-shadow:0 12px 22px -14px rgba(240,90,40,.95);color:#fff;}
.btn-side:active{transform:translateY(0);}
.side-contact{margin-top:18px;padding:0 6px;font-size:13px;line-height:2;color:rgba(255,255,255,.45);}
.side-contact i{width:16px;color:rgba(240,90,40,.85);margin-right:6px;}

/* ============ 移动端顶栏 ============ */
.top-bar{
  display:none;
  position:sticky;top:0;z-index:1050;
  height:60px;padding:0 18px;
  background:var(--ink);
  border-bottom:1px solid var(--brand);
  align-items:center;justify-content:space-between;
}
.top-bar .brand{padding:0;gap:9px;}
.top-bar .brand-mark{width:22px;height:22px;flex:0 0 22px;}
.top-bar .brand-name{font-size:16px;}
.burger{
  width:42px;height:42px;border:1px solid rgba(255,255,255,.18);
  background:transparent;border-radius:10px;color:#fff;font-size:17px;
  display:flex;align-items:center;justify-content:center;
  transition:background .24s ease,border-color .24s ease;
}
.burger:hover{background:rgba(255,255,255,.08);border-color:var(--brand);}
.drawer{background:var(--ink)!important;color:#fff;width:290px!important;border-right:1px solid rgba(255,255,255,.08)!important;}
.drawer .offcanvas-header{
  border-bottom:1px solid rgba(255,255,255,.08);
  padding:18px 20px;
}
.drawer .offcanvas-body{padding:18px 16px 26px;display:flex;flex-direction:column;}
.drawer .btn-close{filter:invert(1) grayscale(1) brightness(2);opacity:.7;}
.drawer .side-menu a{height:46px;font-size:16px;border-radius:10px;border-left-width:0;border-left:none;}
.drawer .side-menu a.active,.drawer .side-menu a:hover{background:rgba(255,255,255,.08);}

/* ============ 页面骨架 ============ */
.page-shell{margin-left:var(--nav-w);min-height:100vh;display:flex;flex-direction:column;}
.page-shell main{flex:1 1 auto;}

/* ============ 面包屑 ============ */
.crumb-bar{padding:18px 0 0;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb li+li::before{content:"/";color:var(--line);font-weight:300;}
.crumb a{color:var(--text-2);transition:color .2s ease;}
.crumb a:hover{color:var(--brand);}
.crumb li[aria-current] {color:var(--text);font-weight:600;}

/* ============ 页头 ============ */
.page-hero{
  position:relative;
  margin-top:16px;
  padding:78px 0 66px;
  background:var(--ink) url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  color:#fff;overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(22,25,29,.95) 0%,rgba(22,25,29,.86) 48%,rgba(22,25,29,.68) 100%);
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 2px,transparent 2px 22px);
  opacity:.6;pointer-events:none;
}
.hero-inner{position:relative;z-index:2;max-width:820px;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(240,90,40,.16);
  border:1px solid rgba(240,90,40,.42);
  color:#FFD9C8;font-size:12px;letter-spacing:.08em;
  margin-bottom:20px;
}
.hero-tag .dot{width:7px;height:7px;border-radius:50%;background:var(--lime);}
.page-hero h1{
  font-size:clamp(30px,3.4vw,46px);
  line-height:1.15;font-weight:700;letter-spacing:-.02em;
  margin-bottom:18px;
}
.page-hero h1 em{font-style:normal;color:var(--brand);}
.hero-sub{
  font-size:17px;line-height:1.8;color:rgba(255,255,255,.78);
  max-width:640px;margin-bottom:28px;
}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px 32px;}
.hero-meta-item{display:flex;flex-direction:column;gap:2px;}
.hero-meta-item b{font-size:26px;font-weight:700;line-height:1.1;color:#fff;font-variant-numeric:tabular-nums;}
.hero-meta-item span{font-size:13px;color:rgba(255,255,255,.55);}

/* ============ 通用区块 ============ */
.section{padding:92px 0;}
.section-alt{background:var(--bg-alt);}
.section-ink{background:var(--ink);color:#fff;}
.sec-head{max-width:760px;margin-bottom:46px;}
.sec-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.14em;color:var(--brand);
  font-weight:700;margin-bottom:14px;
}
.sec-eyebrow::before{content:"";width:22px;height:2px;background:var(--brand);border-radius:2px;}
.sec-head h2{
  font-size:clamp(24px,2.4vw,34px);line-height:1.25;font-weight:700;
  letter-spacing:-.02em;margin-bottom:16px;
}
.sec-head p{font-size:16px;color:var(--text-2);line-height:1.85;}
.section-ink .sec-head p{color:rgba(255,255,255,.68);}

/* ============ 为什么看数据：非对称 5/7 ============ */
.why-grid{display:grid;grid-template-columns:5fr 7fr;gap:24px;align-items:start;}
.why-lead{
  background:var(--card);border:1px solid var(--line);
  border-top:3px solid var(--brand);
  border-radius:var(--radius-card);
  padding:30px 28px;box-shadow:var(--shadow-1);
}
.why-lead h3{font-size:21px;font-weight:600;line-height:1.45;margin-bottom:14px;}
.why-lead p{font-size:15px;color:var(--text-2);line-height:1.85;margin-bottom:22px;}
.why-lead .num-badge{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:11px;
  background:var(--brand-soft);color:var(--brand);
  font-weight:700;font-size:15px;font-variant-numeric:tabular-nums;
  margin-bottom:18px;
}
.why-list{display:flex;flex-direction:column;gap:18px;}
.why-item{
  display:grid;grid-template-columns:64px 1fr;gap:20px;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:24px 26px;
  transition:transform .32s ease,box-shadow .32s ease,border-color .32s ease;
}
.why-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(240,90,40,.35);}
.why-item .idx{
  font-size:30px;font-weight:700;line-height:1;color:var(--line);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.why-item h3{font-size:18px;font-weight:600;margin-bottom:8px;}
.why-item p{font-size:15px;color:var(--text-2);line-height:1.8;}

/* ============ 时间轴 ============ */
.tl{display:grid;grid-template-columns:1fr 1fr;gap:0 56px;}
.tl-col{position:relative;padding-left:36px;}
.tl-col::before{
  content:"";position:absolute;left:11px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,rgba(240,90,40,.55),rgba(22,25,29,.10));
  border-radius:2px;
}
.tl-col-b{padding-top:64px;}
.tl-item{position:relative;padding-bottom:40px;}
.tl-item:last-child{padding-bottom:0;}
.tl-node{
  position:absolute;left:-36px;top:4px;
  width:24px;height:24px;border-radius:50%;
  border:2px solid var(--bg);
  box-shadow:0 0 0 2px rgba(22,25,29,.06);
}
.tl-node-lime{background:var(--lime);}
.tl-node-brand{background:var(--brand);}
.tl-step{
  font-size:12px;letter-spacing:.14em;color:var(--brand);
  font-weight:700;margin-bottom:8px;font-variant-numeric:tabular-nums;
}
.tl-item h3{font-size:19px;font-weight:600;margin-bottom:8px;line-height:1.5;}
.tl-item p{font-size:15px;color:var(--text-2);line-height:1.85;}

/* ============ 指标条 ============ */
.metrics{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-1);
}
.metric{padding:30px 24px;position:relative;}
.metric+.metric::before{
  content:"";position:absolute;left:0;top:24px;bottom:24px;width:1px;background:var(--line);
}
.metric b{
  display:block;font-size:34px;font-weight:700;line-height:1.1;
  letter-spacing:-.02em;font-variant-numeric:tabular-nums;color:var(--ink);
}
.metric b i{font-style:normal;font-size:16px;color:var(--text-3);margin-left:4px;font-weight:600;}
.metric span{display:block;margin-top:8px;font-size:13px;color:var(--text-2);line-height:1.6;}

/* ============ 解读范围 5/7 ============ */
.scope-grid{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:center;}
.scope-figure{position:relative;border-radius:var(--radius-img);overflow:hidden;border:1px solid var(--line);}
.scope-figure img{width:100%;height:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .32s ease;}
.scope-figure:hover img{transform:scale(1.04);}
.scope-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:14px 18px;font-size:13px;color:rgba(255,255,255,.86);
  background:linear-gradient(0deg,rgba(22,25,29,.86),rgba(22,25,29,0));
}
.scope-list{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.scope-item{
  background:var(--card);border:1px solid var(--line);
  border-radius:12px;padding:18px 20px;
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.scope-item:hover{transform:translateY(-4px);border-color:rgba(240,90,40,.35);box-shadow:var(--shadow-2);}
.scope-item i{color:var(--brand);font-size:15px;margin-bottom:10px;display:block;}
.scope-item h3{font-size:16px;font-weight:600;margin-bottom:6px;}
.scope-item p{font-size:14px;color:var(--text-2);line-height:1.7;}

/* ============ 通栏 CTA ============ */
.cta-band{
  background:var(--ink);color:#fff;position:relative;overflow:hidden;
  border-radius:var(--radius-card);
  padding:44px 46px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  border:1px solid rgba(255,255,255,.06);
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;
  background:radial-gradient(circle,rgba(240,90,40,.30),transparent 68%);
  pointer-events:none;
}
.cta-band h2{font-size:clamp(21px,2vw,28px);font-weight:700;line-height:1.35;margin-bottom:10px;letter-spacing:-.01em;}
.cta-band p{font-size:15px;color:rgba(255,255,255,.66);max-width:560px;line-height:1.75;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex-shrink:0;position:relative;z-index:2;}

/* ============ 按钮 ============ */
.btn-main,.btn-outline,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--radius-ctrl);
  font-size:15px;font-weight:600;cursor:pointer;
  border:1.5px solid transparent;
  transition:background .24s ease,color .24s ease,border-color .24s ease,transform .24s ease,box-shadow .24s ease;
}
.btn-main{background:var(--brand);color:#fff;box-shadow:0 8px 18px -12px rgba(240,90,40,.9);}
.btn-main:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px);box-shadow:0 14px 24px -14px rgba(240,90,40,1);}
.btn-main:active{transform:translateY(0);}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-outline:hover{background:var(--ink);color:#fff;transform:translateY(-2px);}
.btn-outline:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);}
.btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff;transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:9px;}

/* ============ 页脚 ============ */
.site-foot{
  background:var(--ink);color:rgba(255,255,255,.72);
  border-top:1px solid var(--brand);
  padding:66px 0 0;margin-top:0;
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:46px;}
.site-foot h4{
  font-size:15px;color:#fff;font-weight:600;margin-bottom:18px;letter-spacing:.02em;
}
.site-foot p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.foot-brand .brand-mark{width:24px;height:24px;flex:0 0 24px;}
.foot-brand .brand-text strong{color:#fff;font-size:16px;font-weight:700;letter-spacing:-.01em;}
.site-foot ul{display:flex;flex-direction:column;gap:11px;}
.site-foot ul a{
  font-size:14px;color:rgba(255,255,255,.72);
  display:inline-flex;align-items:center;gap:8px;
  transition:color .22s ease,transform .22s ease;
}
.site-foot ul a i{font-size:11px;color:rgba(240,90,40,.85);}
.site-foot ul a:hover{color:var(--brand);transform:translateX(2px);}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.42);
}

/* ============ 底部固定转化条 ============ */
.float-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:1060;
  background:var(--ink);border-top:1px solid rgba(240,90,40,.55);
  transform:translateY(0);transition:transform .4s ease,opacity .3s ease;
}
.float-bar.is-hidden{transform:translateY(110%);opacity:0;pointer-events:none;}
.float-inner{
  display:flex;align-items:center;gap:18px;
  min-height:64px;padding-top:10px;padding-bottom:10px;
}
.float-text{font-size:14px;color:rgba(255,255,255,.82);flex:1 1 auto;line-height:1.5;}
.float-actions{display:flex;gap:12px;flex-shrink:0;}
.float-close{
  width:32px;height:32px;flex:0 0 32px;border-radius:8px;
  border:1px solid rgba(255,255,255,.18);background:transparent;color:rgba(255,255,255,.6);
  font-size:16px;line-height:1;display:flex;align-items:center;justify-content:center;
  transition:background .22s ease,color .22s ease,border-color .22s ease;
}
.float-close:hover{background:rgba(255,255,255,.1);color:#fff;border-color:var(--brand);}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  :root{--nav-w:216px;}
  .wrap{padding:0 26px;}
  .side-nav{padding:22px 14px 18px;}
  .side-menu a{font-size:14px;}
  .section{padding:80px 0;}
}
@media (max-width:991.98px){
  :root{--nav-w:0px;}
  .side-nav{display:none;}
  .top-bar{display:flex;}
  .page-shell{margin-left:0;}
  .page-hero{padding:56px 0 52px;margin-top:0;}
  .section{padding:64px 0;}
  .why-grid,.scope-grid{grid-template-columns:1fr;gap:24px;}
  .tl{grid-template-columns:1fr;gap:0;}
  .tl-col-b{padding-top:0;}
  .tl-col{padding-left:34px;padding-bottom:0;}
  .tl-col+.tl-col{margin-top:0;}
  .tl-col-b .tl-item:first-child{padding-top:0;}
  .tl-col-b::before{top:8px;}
  .metrics{grid-template-columns:1fr 1fr;}
  .metric+.metric::before{display:none;}
  .metric{border-top:1px solid var(--line);}
  .metric:nth-child(1),.metric:nth-child(2){border-top:none;}
  .metric:nth-child(even){border-left:1px solid var(--line);}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:34px 28px;}
  .cta-actions{width:100%;}
}
@media (max-width:767.98px){
  body{font-size:15px;}
  .wrap{padding:0 20px;}
  .section{padding:56px 0;}
  .sec-head{margin-bottom:34px;}
  .page-hero h1{font-size:29px;}
  .hero-sub{font-size:15.5px;}
  .hero-meta{gap:14px 26px;}
  .hero-meta-item b{font-size:22px;}
  .why-item{grid-template-columns:1fr;gap:10px;padding:22px;}
  .why-item .idx{font-size:24px;}
  .scope-list{grid-template-columns:1fr;}
  .metrics{grid-template-columns:1fr;}
  .metric{border-top:1px solid var(--line);border-left:none!important;}
  .metric:first-child{border-top:none;}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .foot-bottom{flex-direction:column;gap:8px;}
  .float-text{font-size:13px;}
  .float-actions .btn-main,.float-actions .btn-ghost{height:38px;padding:0 14px;font-size:13.5px;}
}
@media (max-width:575.98px){
  .page-hero{padding:44px 0 42px;}
  .page-hero h1{font-size:27px;}
  .cta-band{padding:28px 22px;border-radius:14px;}
  .cta-actions{flex-direction:column;}
  .cta-actions .btn-main,.cta-actions .btn-ghost{width:100%;}
  .float-inner{flex-wrap:wrap;gap:10px;padding-top:12px;padding-bottom:12px;}
  .float-text{flex:1 1 100%;}
  .float-actions{flex:1 1 100%;}
  .float-actions .btn-main,.float-actions .btn-ghost{flex:1 1 0;}
}

/* roulang page: category3 */
:root{
  --brand:#F05A28;
  --brand-deep:#C4441A;
  --brand-soft:#FFF1E8;
  --lime:#C6F24E;
  --ink:#16191D;
  --ink-2:#3A4046;
  --bg:#F7F5F2;
  --bg-alt:#F1EDE8;
  --card:#FFFFFF;
  --line:#E6E1DA;
  --t1:#1B1E22;
  --t2:#62696F;
  --t3:#949A9F;
  --r-card:16px;
  --r-img:14px;
  --r-ctl:10px;
  --sh-1:0 1px 2px rgba(22,25,29,.06);
  --sh-2:0 12px 28px -12px rgba(22,25,29,.18);
  --side-w:248px;
  --bs-body-bg:var(--bg);
  --bs-body-color:var(--t1);
  --bs-primary:var(--brand);
  --bs-border-radius:var(--r-ctl);
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0 0 72px;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;line-height:1.75;color:var(--t1);background:var(--bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button{font:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;line-height:1.3;color:var(--t1);letter-spacing:-0.02em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.wrap{max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:96px 0;}
.section.alt{background:var(--bg-alt);}
.sec-head{max-width:720px;margin-bottom:44px;}
.sec-head .eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.14em;font-weight:700;
  color:var(--brand);background:var(--brand-soft);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.sec-head h2{font-size:clamp(24px,2.4vw,34px);font-weight:700;margin-bottom:14px;}
.sec-head p{color:var(--t2);font-size:16px;line-height:1.8;}
.lead-sm{color:var(--t2);font-size:15px;}

/* ---------- 左侧导航 ---------- */
.side-shell{
  position:fixed;top:0;left:0;width:var(--side-w);height:100vh;
  background:var(--ink);display:flex;flex-direction:column;z-index:1040;
  border-right:1px solid rgba(255,255,255,.06);
}
.side-brand{
  display:flex;align-items:center;gap:12px;padding:26px 22px 22px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.brand-mark{
  position:relative;width:22px;height:22px;border-radius:6px;background:var(--brand);
  flex:0 0 22px;display:inline-block;
}
.brand-mark::after{
  content:"";position:absolute;right:-4px;top:-4px;width:9px;height:9px;border-radius:999px;
  background:var(--lime);border:2px solid var(--ink);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{color:#fff;font-size:17px;font-weight:700;letter-spacing:-0.01em;}
.brand-text em{font-style:normal;color:rgba(255,255,255,.5);font-size:12px;margin-top:4px;letter-spacing:.04em;}
.side-menu{display:flex;flex-direction:column;padding:16px 0;overflow-y:auto;flex:1 1 auto;}
.side-menu a{
  position:relative;display:flex;align-items:center;gap:12px;
  min-height:44px;padding:10px 20px 10px 22px;color:rgba(255,255,255,.72);
  font-size:15px;transition:background .22s ease,color .22s ease;
}
.side-menu a::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:0 3px 3px 0;
  background:transparent;transition:background .22s ease;
}
.side-menu a i{width:18px;text-align:center;color:var(--brand);font-size:14px;}
.side-menu a:hover{color:#fff;background:rgba(255,255,255,.06);}
.side-menu a:hover::before{background:var(--brand);}
.side-menu a.active{color:#fff;background:rgba(255,255,255,.08);}
.side-menu a.active::before{background:var(--brand);}
.side-cta{padding:18px 20px 8px;border-top:1px solid rgba(255,255,255,.08);}
.side-cta .btn-ghost{width:100%;justify-content:center;}
.side-info{padding:14px 20px 24px;color:rgba(255,255,255,.5);font-size:13px;line-height:1.9;}
.side-info i{color:var(--brand);margin-right:8px;}

.site-main{margin-left:var(--side-w);}
.top-bar{display:none;}

/* ---------- 按钮 ---------- */
.btn-main,.btn-line,.btn-ghost,.btn-lime{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-ctl);font-size:15px;font-weight:600;padding:13px 24px;
  border:1.5px solid transparent;transition:all .25s ease;text-align:center;
}
.btn-main{background:var(--brand);color:#fff;border-color:var(--brand);box-shadow:var(--sh-1);}
.btn-main:hover{background:var(--brand-deep);border-color:var(--brand-deep);transform:translateY(-2px);box-shadow:var(--sh-2);color:#fff;}
.btn-main:active{transform:translateY(0);box-shadow:none;}
.btn-line{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-line:hover{background:var(--ink);color:#fff;transform:translateY(-2px);}
.btn-line:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);}
.btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff;}
.btn-lime{background:var(--lime);color:var(--ink);border-color:var(--lime);}
.btn-lime:hover{background:#b6e63c;border-color:#b6e63c;transform:translateY(-2px);}

/* ---------- 页头 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
  padding:84px 0 76px;border-bottom:1px solid var(--line);
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(247,245,242,.96) 0%,rgba(247,245,242,.9) 46%,rgba(247,245,242,.7) 100%);
}
.page-hero .hero-inner{position:relative;z-index:2;max-width:820px;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--t3);margin-bottom:20px;}
.crumb li{display:inline-flex;align-items:center;gap:8px;}
.crumb li+li::before{content:"/";color:var(--t3);font-weight:300;}
.crumb a{color:var(--t3);}
.crumb a:hover{color:var(--brand);}
.crumb li[aria-current]{color:var(--t1);font-weight:600;}
.badge-soft{
  display:inline-block;background:var(--brand-soft);color:var(--brand);
  font-size:12px;letter-spacing:.06em;font-weight:700;border-radius:999px;padding:6px 14px;margin-bottom:20px;
}
.page-hero h1{font-size:clamp(30px,3.4vw,46px);font-weight:700;line-height:1.15;margin-bottom:18px;}
.hero-lead{font-size:17px;color:var(--t2);line-height:1.85;max-width:680px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:0;margin-top:36px;}
.hero-stats>div{padding:0 28px;border-left:1px solid var(--line);}
.hero-stats>div:first-child{padding-left:0;border-left:0;}
.hero-stats strong{display:block;font-size:30px;font-weight:700;color:var(--ink);letter-spacing:-0.02em;line-height:1.1;}
.hero-stats span{font-size:13px;color:var(--t3);}

/* ---------- 对比卡 ---------- */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:start;}
.plan-card{
  position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-1);transition:transform .32s ease,box-shadow .32s ease,border-color .32s ease;
  display:flex;flex-direction:column;height:100%;
}
.plan-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(240,90,40,.35);}
.plan-card.featured{border-top:3px solid var(--brand);transform:translateY(-10px);box-shadow:var(--sh-2);}
.plan-card.featured:hover{transform:translateY(-14px);}
.plan-tag{
  position:absolute;top:-13px;left:26px;background:var(--brand);color:#fff;font-size:12px;
  font-weight:700;letter-spacing:.08em;border-radius:999px;padding:5px 14px;
}
.plan-name{font-size:20px;font-weight:700;margin-bottom:8px;}
.plan-sub{font-size:13px;color:var(--t3);letter-spacing:.04em;margin-bottom:20px;}
.plan-list{margin-bottom:26px;flex:1 1 auto;}
.plan-list li{
  position:relative;padding-left:22px;font-size:14.5px;color:var(--t2);line-height:1.7;margin-bottom:12px;
}
.plan-list li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:2px;
  background:var(--brand-soft);border:2px solid var(--brand);
}
.plan-card .btn-main,.plan-card .btn-line{width:100%;}

/* ---------- 参数表 ---------- */
.spec-table{width:100%;border-collapse:separate;border-spacing:0;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;}
.spec-table thead th{
  background:var(--ink);color:rgba(255,255,255,.86);font-size:13px;font-weight:600;
  letter-spacing:.06em;text-align:left;padding:16px 20px;white-space:nowrap;
}
.spec-table tbody td{padding:18px 20px;font-size:14.5px;color:var(--t2);border-top:1px solid var(--line);vertical-align:top;}
.spec-table tbody tr:nth-child(even) td{background:#FCFAF8;}
.spec-table tbody td:first-child{color:var(--t1);font-weight:600;font-size:15px;}
.spec-table tbody tr:hover td{background:var(--brand-soft);}
.spec-note{margin-top:18px;font-size:13px;color:var(--t3);}

/* ---------- 场景图文 ---------- */
.scene{display:grid;grid-template-columns:5fr 7fr;gap:44px;align-items:center;}
.scene.reverse{grid-template-columns:7fr 5fr;}
.scene-media{position:relative;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1);}
.scene-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .32s ease;}
.scene-media:hover img{transform:scale(1.04);}
.scene-body h3{font-size:22px;font-weight:700;margin-bottom:14px;}
.scene-body>p{color:var(--t2);margin-bottom:22px;}
.step-list{display:flex;flex-direction:column;gap:18px;}
.step-list li{display:flex;gap:18px;align-items:flex-start;padding-bottom:18px;border-bottom:1px dashed var(--line);}
.step-list li:last-child{border-bottom:0;padding-bottom:0;}
.step-num{
  flex:0 0 42px;font-size:20px;font-weight:700;color:var(--brand);letter-spacing:-0.02em;
  line-height:1.4;border-right:1px solid var(--line);padding-right:14px;
}
.step-list strong{display:block;font-size:16px;margin-bottom:4px;color:var(--t1);}
.step-list p{font-size:14.5px;color:var(--t2);}

/* ---------- 提示条 ---------- */
.tip-band{
  display:flex;gap:20px;align-items:flex-start;background:var(--card);border:1px solid var(--line);
  border-left:3px solid var(--brand);border-radius:var(--r-card);padding:24px 26px;box-shadow:var(--sh-1);
}
.tip-band i{color:var(--brand);font-size:20px;margin-top:3px;}
.tip-band strong{display:block;margin-bottom:6px;font-size:16px;}
.tip-band p{font-size:14.5px;color:var(--t2);}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--ink);border-radius:20px;padding:44px;display:flex;flex-wrap:wrap;gap:24px;
  align-items:center;justify-content:space-between;border-top:3px solid var(--brand);
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.2vw,30px);margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.72);font-size:15px;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-foot{background:var(--ink);border-top:1px solid var(--brand);margin-top:0;padding:64px 0 28px;}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;}
.site-foot h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;letter-spacing:.02em;}
.site-foot p{color:rgba(255,255,255,.72);font-size:14px;line-height:1.85;}
.site-foot .foot-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.site-foot .brand-text strong{font-size:17px;}
.site-foot .brand-text em{display:none;}
.site-foot ul li{margin-bottom:11px;}
.site-foot ul a{color:rgba(255,255,255,.72);font-size:14px;display:inline-flex;align-items:center;gap:8px;transition:color .22s ease,transform .22s ease;}
.site-foot ul a i{color:var(--brand);font-size:12px;}
.site-foot ul a:hover{color:var(--brand);transform:translateX(2px);}
.foot-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  color:rgba(255,255,255,.5);font-size:13px;
}

/* ---------- 底部固定条 ---------- */
.sticky-cta{
  position:fixed;left:var(--side-w);right:0;bottom:0;z-index:1050;
  background:var(--ink);border-top:1px solid var(--brand);
  display:flex;align-items:center;gap:18px;padding:12px 32px;
  transform:translateY(100%);transition:transform .4s ease;
}
.sticky-cta.show{transform:translateY(0);}
.sticky-cta .sc-text{color:#fff;font-size:14.5px;font-weight:600;}
.sticky-cta .sc-actions{margin-left:auto;display:flex;gap:12px;flex-wrap:wrap;}
.sticky-cta .btn-main,.sticky-cta .btn-ghost{padding:9px 18px;font-size:14px;}
.sc-close{
  background:transparent;border:0;color:rgba(255,255,255,.55);font-size:18px;line-height:1;
  padding:6px;transition:color .2s ease;
}
.sc-close:hover{color:#fff;}

/* ---------- 移动端顶栏与抽屉 ---------- */
.mobile-head{display:none;}
.offcanvas.drawer{background:var(--ink);color:#fff;width:300px;}
.drawer .drawer-head{
  display:flex;align-items:center;justify-content:space-between;padding:20px 20px 18px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.drawer .btn-close{filter:invert(1) grayscale(1);opacity:.7;}
.drawer .side-menu{padding:14px 0;}
.drawer .side-menu a{font-size:16px;min-height:48px;}
.drawer-foot{padding:18px 20px 26px;border-top:1px solid rgba(255,255,255,.1);}
.drawer-foot .btn-lime{width:100%;margin-bottom:14px;}
.drawer-foot p{color:rgba(255,255,255,.55);font-size:13px;line-height:1.9;}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  :root{--side-w:216px;}
  .wrap{padding:0 28px;}
  .section{padding:84px 0;}
  .scene,.scene.reverse{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:991.98px){
  .side-shell{display:none;}
  .site-main{margin-left:0;}
  .sticky-cta{left:0;}
  .mobile-head{
    display:flex;align-items:center;justify-content:space-between;
    position:sticky;top:0;z-index:1030;height:60px;padding:0 20px;
    background:var(--ink);border-bottom:1px solid var(--brand);
  }
  .mobile-head .brand-text strong{font-size:16px;}
  .burger{
    background:transparent;border:1px solid rgba(255,255,255,.3);border-radius:8px;
    color:#fff;width:40px;height:38px;display:inline-flex;align-items:center;justify-content:center;
  }
  .burger:hover{background:rgba(255,255,255,.1);}
  .top-bar{display:block;}
  .page-hero{padding:60px 0 56px;}
  .plan-grid{grid-template-columns:1fr;gap:26px;}
  .plan-card.featured{transform:none;}
  .plan-card.featured:hover{transform:translateY(-4px);}
  .scene,.scene.reverse{grid-template-columns:1fr;gap:26px;}
  .scene.reverse .scene-media{order:-1;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .cta-band{padding:34px;}
}
@media (max-width:767.98px){
  body{padding-bottom:118px;font-size:15.5px;}
  .wrap{padding:0 20px;}
  .section{padding:56px 0;}
  .sec-head{margin-bottom:30px;}
  .hero-stats>div{padding:0 18px;}
  .hero-stats strong{font-size:24px;}
  .spec-table thead{display:none;}
  .spec-table{border:0;background:transparent;}
  .spec-table tbody,.spec-table tr,.spec-table td{display:block;width:100%;}
  .spec-table tbody tr{
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
    padding:6px 18px;margin-bottom:14px;
  }
  .spec-table tbody tr:nth-child(even) td{background:transparent;}
  .spec-table tbody tr:hover td{background:transparent;}
  .spec-table tbody td{
    display:flex;justify-content:space-between;gap:20px;border-top:0;
    border-bottom:1px dashed var(--line);padding:12px 0;text-align:right;
  }
  .spec-table tbody td:last-child{border-bottom:0;}
  .spec-table tbody td::before{
    content:attr(data-label);color:var(--t3);font-size:13px;font-weight:400;
    text-align:left;flex:0 0 auto;
  }
  .sticky-cta{padding:10px 20px;flex-wrap:wrap;gap:10px;}
  .sticky-cta .sc-text{font-size:13.5px;flex:1 1 auto;}
  .sticky-cta .sc-actions{margin-left:0;width:100%;gap:10px;}
  .sticky-cta .sc-actions .btn-main,.sticky-cta .sc-actions .btn-ghost{flex:1 1 0;padding:10px 12px;}
  .sc-close{position:absolute;right:10px;top:6px;}
  .foot-grid{grid-template-columns:1fr;}
  .foot-bottom{flex-direction:column;gap:6px;}
  .cta-buttons .btn-main,.cta-buttons .btn-line{width:100%;}
}
@media (max-width:575.98px){
  .page-hero h1{font-size:28px;}
  .hero-stats{flex-direction:column;gap:16px;}
  .hero-stats>div{padding:0;border-left:0;}
  .btn-main,.btn-line,.btn-ghost{width:100%;}
  .cta-actions{width:100%;}
  .tip-band{flex-direction:column;gap:12px;}
}

/* roulang page: category4 */
:root{
  --brand:#F05A28;
  --brand-deep:#C4441A;
  --brand-soft:#FFF1E8;
  --ink:#16191D;
  --ink-2:#3A4046;
  --lime:#C6F24E;
  --bg:#F7F5F2;
  --bg-alt:#F1EDE8;
  --card:#FFFFFF;
  --line:#E6E1DA;
  --t1:#1B1E22;
  --t2:#62696F;
  --t3:#949A9F;
  --radius-card:16px;
  --radius-img:14px;
  --radius-ctl:10px;
  --shadow-1:0 1px 2px rgba(22,25,29,.06);
  --shadow-2:0 12px 28px -12px rgba(22,25,29,.18);
  --nav-w:248px;
  --bs-body-bg:#F7F5F2;
  --bs-body-color:#1B1E22;
  --bs-border-radius:10px;
  --bs-link-color:#3A4046;
  --bs-link-hover-color:#F05A28;
  --bs-primary:#F05A28;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--t1);
  background:var(--bg);
  padding-bottom:74px;
  overflow-x:hidden;
}
h1,h2,h3,h4{margin:0;letter-spacing:-0.02em;font-weight:700;color:var(--t1);}
h1{font-size:clamp(30px,3.4vw,46px);line-height:1.15;}
h2{font-size:clamp(24px,2.4vw,34px);line-height:1.25;}
h3{font-size:21px;line-height:1.4;font-weight:600;}
p{margin:0 0 12px;}
a{color:var(--ink-2);text-decoration:none;transition:color .22s ease,background-color .22s ease,transform .22s ease;}
a:hover{color:var(--brand);}
img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
.num{font-variant-numeric:tabular-nums;}
.wrap{max-width:1200px;margin:0 auto;padding:0 32px;}

/* ============ 侧边导航 ============ */
.side-shell{
  position:fixed;left:0;top:0;bottom:0;width:var(--nav-w);
  background:var(--ink);color:#fff;
  display:flex;flex-direction:column;
  padding:26px 18px 22px;
  z-index:1040;overflow-y:auto;
}
.side-brand{display:flex;align-items:center;gap:11px;padding:2px 10px 20px;border-bottom:1px solid rgba(255,255,255,.09);}
.brand-mark{position:relative;flex:0 0 26px;width:26px;height:26px;border-radius:8px;background:var(--brand);}
.brand-mark::after{content:"";position:absolute;right:-3px;top:-3px;width:9px;height:9px;border-radius:50%;background:var(--lime);}
.brand-text strong{color:#fff;font-size:17px;font-weight:700;letter-spacing:-0.01em;display:block;line-height:1.2;}
.brand-text span{display:block;font-size:11px;letter-spacing:.14em;color:rgba(255,255,255,.45);text-transform:uppercase;margin-top:2px;}
.side-menu{display:flex;flex-direction:column;gap:4px;margin:20px 0;}
.side-menu a{
  display:flex;align-items:center;gap:11px;
  height:44px;padding:0 12px;border-radius:10px;
  border-left:3px solid transparent;
  color:rgba(255,255,255,.72);font-size:15px;
}
.side-menu a i{width:18px;text-align:center;font-size:14px;color:rgba(255,255,255,.5);transition:color .22s ease;}
.side-menu a:hover{background:rgba(255,255,255,.06);color:#fff;border-left-color:var(--brand);}
.side-menu a:hover i{color:var(--brand);}
.side-menu a.active{background:rgba(255,255,255,.06);color:#fff;border-left-color:var(--brand);font-weight:600;}
.side-menu a.active i{color:var(--brand);}
.side-foot{margin-top:auto;border-top:1px solid rgba(255,255,255,.09);padding-top:18px;}
.side-foot .btn{width:100%;justify-content:center;}
.side-foot p{margin:12px 0 0;font-size:13px;color:rgba(255,255,255,.52);display:flex;align-items:center;gap:8px;}
.side-foot p i{color:var(--brand);font-size:12px;}

/* ============ 移动端顶栏 ============ */
.top-bar{
  display:none;position:fixed;top:0;left:0;right:0;height:60px;
  background:var(--ink);border-bottom:1px solid var(--brand);
  align-items:center;justify-content:space-between;
  padding:0 18px;z-index:1045;
}
.top-bar .brand-text strong{font-size:16px;}
.top-bar .brand-mark{flex:0 0 22px;width:22px;height:22px;border-radius:7px;}
.burger{width:42px;height:42px;border-radius:10px;border:1px solid rgba(255,255,255,.2);background:transparent;color:#fff;display:flex;align-items:center;justify-content:center;font-size:17px;}
.burger:hover{background:rgba(255,255,255,.08);color:#fff;}
.burger:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.menu-drawer{background:var(--ink)!important;color:#fff;width:288px!important;border-right:1px solid rgba(255,255,255,.1);}
.menu-drawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.09);padding:18px 20px;}
.menu-drawer .btn-close{filter:invert(1) grayscale(1) brightness(2);opacity:.7;}
.drawer-menu{display:flex;flex-direction:column;gap:6px;padding:18px 16px;}
.drawer-menu a{
  display:flex;align-items:center;gap:12px;height:48px;padding:0 14px;border-radius:12px;
  color:rgba(255,255,255,.78);font-size:16px;border-left:3px solid transparent;
}
.drawer-menu a i{color:rgba(255,255,255,.5);}
.drawer-menu a:hover,.drawer-menu a.active{background:rgba(255,255,255,.07);color:#fff;border-left-color:var(--brand);}
.drawer-menu a.active i,.drawer-menu a:hover i{color:var(--brand);}
.drawer-foot{padding:8px 20px 26px;}
.drawer-foot .btn{width:100%;justify-content:center;}
.drawer-foot p{margin:14px 0 0;font-size:13px;color:rgba(255,255,255,.55);}

/* ============ 按钮 ============ */
.btn{
  --bs-btn-focus-box-shadow:none;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-ctl);font-weight:600;font-size:15px;
  padding:12px 24px;line-height:1.2;border:1px solid transparent;
  transition:background-color .22s ease,color .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease;
  text-decoration:none;
}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.btn-brand{background:var(--brand);border-color:var(--brand);color:#fff;}
.btn-brand:hover{background:var(--brand-deep);border-color:var(--brand-deep);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-brand:active{transform:translateY(0);box-shadow:none;}
.btn-line{background:transparent;border:1.5px solid var(--ink);color:var(--ink);}
.btn-line:hover{background:var(--ink);border-color:var(--ink);color:#fff;transform:translateY(-2px);}
.btn-line:active{transform:translateY(0);}
.btn-ghost{background:transparent;border:1.5px solid rgba(255,255,255,.55);color:#fff;}
.btn-ghost:hover{background:#fff;border-color:#fff;color:var(--ink);}
.btn-sm{padding:9px 18px;font-size:14px;}

/* ============ 主内容区 ============ */
.page-main{margin-left:var(--nav-w);}
.section{padding:88px 0;}
.section-alt{background:var(--bg-alt);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{margin-bottom:14px;}
.section-head p{color:var(--t2);margin:0;}

/* 面包屑 */
.crumb{padding:26px 0 0;}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:13px;color:var(--t3);}
.crumb li{display:flex;align-items:center;gap:6px;}
.crumb li+li::before{content:"/";color:#c8c2ba;font-weight:300;}
.crumb a{color:var(--t3);}
.crumb a:hover{color:var(--brand);}
.crumb .now{color:var(--t1);font-weight:600;}

/* ============ 页头 ============ */
.page-head{
  position:relative;margin-top:22px;border-radius:18px;overflow:hidden;
  background-image:linear-gradient(102deg,rgba(247,245,242,.95) 0%,rgba(247,245,242,.88) 46%,rgba(247,245,242,.72) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  border:1px solid var(--line);
  padding:58px 48px 52px;
}
.page-head::after{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;
  background-image:radial-gradient(rgba(240,90,40,.22) 1.4px,transparent 1.4px);
  background-size:14px 14px;opacity:.5;pointer-events:none;
}
.page-head .tag{
  display:inline-flex;align-items:center;gap:7px;
  background:var(--brand-soft);color:var(--brand-deep);
  font-size:12px;letter-spacing:.06em;font-weight:600;
  padding:6px 14px;border-radius:999px;margin-bottom:18px;
}
.page-head h1{max-width:820px;margin-bottom:18px;}
.page-head h1 em{font-style:normal;color:var(--brand);}
.page-head .lead{max-width:640px;color:var(--t2);font-size:17px;margin:0 0 30px;}
.head-stats{display:flex;flex-wrap:wrap;gap:34px;position:relative;z-index:2;}
.head-stats .stat{min-width:120px;padding-left:16px;border-left:2px solid var(--line);}
.head-stats .stat:first-child{border-left-color:var(--brand);}
.head-stats .stat b{display:block;font-size:30px;font-weight:700;line-height:1.1;color:var(--ink);}
.head-stats .stat span{font-size:13px;color:var(--t3);}

/* ============ 服务范围 ============ */
.svc-big{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;height:100%;display:flex;flex-direction:column;
  box-shadow:var(--shadow-1);transition:transform .32s ease,box-shadow .32s ease,border-color .32s ease;
}
.svc-big:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(240,90,40,.35);}
.svc-big .thumb{position:relative;overflow:hidden;aspect-ratio:16/9;}
.svc-big .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.svc-big:hover .thumb img{transform:scale(1.04);}
.svc-big .body{padding:26px 28px 28px;}
.svc-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 26px 28px;height:100%;box-shadow:var(--shadow-1);
  transition:transform .32s ease,box-shadow .32s ease,border-color .32s ease;
}
.svc-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(240,90,40,.35);}
.svc-index{
  font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--brand);
  background:var(--brand-soft);border-radius:999px;padding:4px 12px;display:inline-block;margin-bottom:16px;
}
.svc-icon{
  width:46px;height:46px;border-radius:14px;background:var(--ink);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:18px;margin-bottom:18px;
}
.svc-card h3{margin-bottom:10px;}
.svc-card p{color:var(--t2);font-size:15px;margin:0;}
.svc-big h3{margin-bottom:10px;}
.svc-big p{color:var(--t2);font-size:15px;margin:0;}
.svc-list{margin-top:16px;display:flex;flex-direction:column;gap:8px;}
.svc-list li{display:flex;gap:9px;font-size:14px;color:var(--t2);}
.svc-list li i{color:var(--brand);font-size:11px;margin-top:7px;}

/* ============ 流程 ============ */
.flow-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center;}
.flow-media{position:relative;border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-1);}
.flow-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.flow-media .badge-float{
  position:absolute;left:20px;bottom:20px;background:#fff;border-top:3px solid var(--brand);
  border-radius:12px;padding:14px 20px;box-shadow:var(--shadow-2);
}
.flow-media .badge-float b{display:block;font-size:24px;line-height:1.1;color:var(--ink);}
.flow-media .badge-float span{font-size:12px;color:var(--t3);}
.flow-steps{display:flex;flex-direction:column;gap:0;}
.flow-step{display:flex;gap:20px;padding:20px 0;border-bottom:1px dashed var(--line);}
.flow-step:last-child{border-bottom:0;padding-bottom:0;}
.flow-step .n{
  flex:0 0 46px;font-size:20px;font-weight:700;color:var(--brand);
  border-right:2px solid var(--line);line-height:1.3;
}
.flow-step h3{font-size:18px;margin-bottom:6px;}
.flow-step p{margin:0;color:var(--t2);font-size:15px;}

/* ============ 支持区 ============ */
.accordion{--bs-accordion-border-width:0;--bs-accordion-btn-focus-box-shadow:none;--bs-accordion-active-bg:transparent;--bs-accordion-active-color:var(--t1);}
.accordion-item{
  background:var(--card);border:1px solid var(--line);border-radius:14px;
  margin-bottom:14px;overflow:hidden;box-shadow:var(--shadow-1);
  transition:border-color .28s ease,box-shadow .28s ease;
}
.accordion-item:hover{border-color:rgba(240,90,40,.35);}
.accordion-button{
  background:transparent;border:0;box-shadow:none!important;
  font-size:17px;font-weight:600;color:var(--t1);line-height:1.45;
  padding:20px 24px;display:flex;align-items:center;gap:14px;
  transition:background-color .24s ease,padding .24s ease;
}
.accordion-button:not(.collapsed){
  background:#fff;color:var(--t1);
  box-shadow:inset 3px 0 0 var(--brand)!important;
  padding-left:28px;
}
.accordion-button::after{
  background-image:none!important;content:"+";
  width:26px;height:26px;flex:0 0 26px;margin-left:auto;
  display:flex;align-items:center;justify-content:center;
  border-radius:999px;background:var(--brand-soft);color:var(--brand-deep);
  font-size:17px;font-weight:700;line-height:1;transform:none;
  transition:transform .26s ease,background-color .26s ease;
}
.accordion-button:not(.collapsed)::after{content:"−";transform:rotate(180deg);background:var(--brand);color:#fff;}
.accordion-body{padding:0 26px 22px 28px;color:var(--t2);font-size:15px;line-height:1.85;}
.accordion-body strong{color:var(--t1);}

.form-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:30px 28px 32px;box-shadow:var(--shadow-1);position:sticky;top:24px;
}
.form-card h3{margin-bottom:8px;}
.form-card .form-note{color:var(--t2);font-size:14px;margin-bottom:22px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--t1);}
.field label .req{color:var(--brand);margin-left:3px;}
.field .form-control,.field .form-select{
  width:100%;height:48px;border-radius:var(--radius-ctl);border:1px solid var(--line);
  background:#fff;color:var(--t1);padding:0 14px;font-size:15px;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.field textarea.form-control{height:auto;min-height:112px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field .form-control:focus,.field .form-select:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(240,90,40,.14);
}
.field .form-control::placeholder{color:#b3aea7;}
.check-row{display:flex;align-items:flex-start;gap:10px;margin:6px 0 20px;}
.check-row input{width:18px;height:18px;margin-top:3px;accent-color:var(--brand);flex:0 0 18px;}
.check-row label{font-size:13px;color:var(--t2);line-height:1.6;}
.form-card .btn-brand{width:100%;}
.form-msg{display:none;margin-top:16px;font-size:14px;border-radius:12px;padding:12px 16px;}
.form-msg.ok{display:block;background:var(--brand-soft);color:var(--brand-deep);border-left:3px solid var(--brand);}
.form-msg.err{display:block;background:#FBECEC;color:#A63333;border-left:3px solid #D9534F;}
.form-side-note{margin-top:18px;font-size:13px;color:var(--t3);display:flex;gap:8px;align-items:flex-start;}
.form-side-note i{color:var(--brand);margin-top:4px;}

/* ============ 联系块 ============ */
.contact-band{
  background:var(--ink);color:#fff;border-radius:18px;padding:44px 44px;position:relative;overflow:hidden;
}
.contact-band::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--brand);
}
.contact-band::after{
  content:"";position:absolute;right:-40px;bottom:-40px;width:220px;height:220px;
  background-image:radial-gradient(rgba(198,242,78,.35) 1.4px,transparent 1.4px);
  background-size:14px 14px;opacity:.55;
}
.contact-band h2{color:#fff;margin-bottom:12px;}
.contact-band p{color:rgba(255,255,255,.72);margin:0;}
.contact-items{display:flex;flex-wrap:wrap;gap:28px 46px;margin-top:28px;position:relative;z-index:2;}
.contact-items div{display:flex;align-items:center;gap:12px;font-size:15px;color:#fff;}
.contact-items i{width:38px;height:38px;border-radius:12px;background:rgba(255,255,255,.09);display:flex;align-items:center;justify-content:center;color:var(--lime);font-size:15px;}

/* ============ CTA 通栏 ============ */
.cta-band{
  background:var(--brand-soft);border:1px solid var(--line);border-radius:18px;
  padding:36px 40px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;
}
.cta-band .txt h2{font-size:24px;margin-bottom:8px;}
.cta-band .txt p{margin:0;color:var(--t2);font-size:15px;}
.cta-band .acts{display:flex;flex-wrap:wrap;gap:12px;}

/* ============ 页脚 ============ */
.site-foot{
  margin-left:var(--nav-w);background:var(--ink);color:#fff;
  border-top:1px solid var(--brand);padding:60px 0 0;margin-top:0;
}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.foot-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.site-foot p{color:rgba(255,255,255,.72);font-size:14px;line-height:1.85;margin:0 0 8px;}
.site-foot h4{color:#fff;font-size:15px;margin-bottom:18px;letter-spacing:.02em;}
.site-foot ul{display:flex;flex-direction:column;gap:11px;}
.site-foot ul a{
  color:rgba(255,255,255,.72);font-size:14px;display:inline-flex;align-items:center;gap:8px;
  transition:color .22s ease,transform .22s ease;
}
.site-foot ul a i{font-size:11px;color:var(--brand);}
.site-foot ul a:hover{color:var(--brand);transform:translateX(2px);}
.site-foot ul a:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
.foot-bottom{
  margin-top:50px;border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 底部转化条 ============ */
.cta-dock{
  position:fixed;left:0;right:0;bottom:0;z-index:1060;
  background:var(--ink);border-top:1px solid var(--brand);
  transition:transform .32s ease,opacity .32s ease;
}
.cta-dock.is-hidden{transform:translateY(110%);opacity:0;pointer-events:none;}
.dock-inner{
  max-width:1200px;margin:0 auto;padding:12px 32px;
  display:flex;align-items:center;gap:20px;
}
.dock-text{color:#fff;font-size:15px;margin:0;flex:1;min-width:0;}
.dock-text i{color:var(--lime);margin-right:8px;}
.dock-actions{display:flex;gap:12px;}
.dock-actions .btn{padding:10px 20px;font-size:14px;}
.dock-close{
  flex:0 0 32px;width:32px;height:32px;border-radius:999px;
  border:1px solid rgba(255,255,255,.24);background:transparent;color:rgba(255,255,255,.7);
  font-size:16px;line-height:1;display:flex;align-items:center;justify-content:center;
}
.dock-close:hover{background:rgba(255,255,255,.1);color:#fff;}
.dock-close:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  :root{--nav-w:216px;}
  .wrap{padding:0 28px;}
  .section{padding:76px 0;}
  .page-head{padding:52px 36px 46px;}
  .foot-grid{gap:30px;}
}
@media (max-width:991.98px){
  .side-shell{display:none;}
  .top-bar{display:flex;}
  .page-main{margin-left:0;padding-top:60px;}
  .site-foot{margin-left:0;}
  .section{padding:62px 0;}
  .flow-grid{grid-template-columns:1fr;gap:36px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .form-card{position:static;}
  .contact-band{padding:36px 28px;}
  .cta-band{padding:30px 26px;}
  .dock-inner{padding:10px 20px;gap:14px;}
}
@media (max-width:767.98px){
  .wrap{padding:0 20px;}
  .section{padding:56px 0;}
  .page-head{border-radius:14px;padding:40px 22px 36px;}
  .page-head .lead{font-size:16px;}
  .head-stats{gap:20px;}
  .head-stats .stat{min-width:calc(50% - 10px);}
  .head-stats .stat b{font-size:24px;}
  .section-head{margin-bottom:32px;}
  .foot-grid{grid-template-columns:1fr;}
  .foot-bottom{flex-direction:column;gap:6px;}
  .cta-band{flex-direction:column;align-items:flex-start;}
  .cta-band .acts{width:100%;}
  .cta-band .acts .btn{flex:1;}
  .dock-text{display:none;}
  .dock-actions{flex:1;}
  .dock-actions .btn{flex:1;padding:11px 14px;}
}
@media (max-width:575.98px){
  body{font-size:15px;padding-bottom:70px;}
  h1{font-size:28px;}
  .page-head{padding:34px 18px 32px;}
  .svc-card,.svc-big .body{padding:22px 20px 24px;}
  .accordion-button{font-size:16px;padding:16px 18px;}
  .accordion-button:not(.collapsed){padding-left:22px;}
  .accordion-body{padding:0 20px 20px 22px;}
  .form-card{padding:24px 20px 26px;}
  .contact-items{gap:18px 26px;}
  .contact-items div{font-size:14px;}
  .btn{width:100%;}
  .cta-dock .btn,.dock-actions .btn{width:auto;}
  .head-stats .stat{min-width:100%;}
}