/* roulang page: index */
:root{
  --c-primary:#F26522;
  --c-primary-d:#D9531B;
  --c-accent:#17C3B2;
  --c-warn:#7A5CFF;
  --c-bg:#F7F6F3;
  --c-bg-dark:#14161A;
  --c-card:#FFFFFF;
  --c-text:#1B1D21;
  --c-text-2:#5A5F66;
  --c-text-3:#8A9099;
  --c-line:#E6E3DD;
  --c-track:#EDEAE4;
  --r-card:14px;
  --r-kv:20px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(20,22,26,.06), 0 8px 24px rgba(20,22,26,.06);
  --sh-2:0 12px 32px rgba(20,22,26,.12);
  --t:200ms cubic-bezier(.2,.7,.3,1);
  --nav-w:240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"PingFang SC","HarmonyOS Sans","MiSans","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.9;
  letter-spacing:0;
}
img{max-width:100%;display:block;border-radius:12px;background:linear-gradient(100deg,#EEEAE3 0%,#F6F4F0 40%,#EEEAE3 80%);background-size:200% 100%;animation:sk 1.4s linear infinite;}
@keyframes sk{0%{background-position:0 0}100%{background-position:-200% 0}}
a{color:var(--c-primary-d);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--c-primary);}
h1,h2,h3,h4{margin:0;line-height:1.35;letter-spacing:-0.01em;color:var(--c-text);}
h1{font-size:clamp(28px,4vw,44px);font-weight:700;}
h2{font-size:clamp(22px,2.6vw,30px);font-weight:600;}
h3{font-size:19px;font-weight:600;}
p{margin:0 0 16px;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px;}

/* 侧栏 */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--nav-w);
  background:var(--c-card);border-right:1px solid var(--c-line);
  display:flex;flex-direction:column;z-index:60;
}
.brand{padding:22px 20px 18px;border-bottom:1px solid var(--c-line);}
.brand-mark{display:flex;align-items:center;gap:10px;}
.brand-dot{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--c-primary),var(--c-warn));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:15px;flex:0 0 auto;}
.brand-name{font-size:16px;font-weight:700;line-height:1.3;color:var(--c-text);}
.brand-sub{font-size:12px;color:var(--c-text-3);line-height:1.6;margin-top:2px;}
.nav-scroll{flex:1;overflow-y:auto;padding:16px 12px 8px;}
.nav-group-label{font-size:12px;color:var(--c-text-3);padding:10px 10px 6px;letter-spacing:.02em;}
.nav-item{
  display:flex;align-items:center;gap:10px;height:44px;padding:0 12px;margin-bottom:4px;
  border-radius:10px;color:var(--c-text-2);font-size:15px;position:relative;transition:background var(--t),color var(--t);
}
.nav-item svg{width:20px;height:20px;flex:0 0 auto;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.nav-item:hover{background:#F6F2EC;color:var(--c-text);}
.nav-item.active{background:rgba(242,101,34,.07);color:var(--c-primary-d);font-weight:600;}
.nav-item.active::before{content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:3px;background:var(--c-primary);}
.sidebar-foot{padding:14px 16px 18px;border-top:1px solid var(--c-line);}
.sidebar-foot .btn{width:100%;justify-content:center;}
.sidebar-copy{font-size:12px;color:var(--c-text-3);margin-top:10px;line-height:1.6;}

/* 顶部移动导航 */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:56px;background:#fff;
  border-bottom:1px solid var(--c-line);z-index:70;align-items:center;justify-content:space-between;
  padding:0 16px;transition:box-shadow var(--t),height var(--t);
}
.topbar.scrolled{box-shadow:var(--sh-1);height:52px;}
.topbar .brand-name{font-size:15px;}
.hamburger{width:44px;height:44px;border:1px solid var(--c-line);background:#fff;border-radius:10px;display:flex;align-items:center;justify-content:center;cursor:pointer;}
.hamburger span{display:block;width:18px;height:2px;background:var(--c-text);position:relative;transition:background var(--t);}
.hamburger span::before,.hamburger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-text);transition:transform var(--t);}
.hamburger span::before{top:-6px;}
.hamburger span::after{top:6px;}
.drawer-mask{position:fixed;inset:0;background:rgba(20,22,26,.55);opacity:0;pointer-events:none;transition:opacity var(--t);z-index:80;}
.drawer-mask.open{opacity:1;pointer-events:auto;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,84vw);background:#fff;z-index:90;
  transform:translateX(100%);transition:transform var(--t);display:flex;flex-direction:column;padding:18px 16px;
  overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.drawer-close{width:44px;height:44px;border:1px solid var(--c-line);background:#fff;border-radius:10px;font-size:18px;color:var(--c-text-2);cursor:pointer;}
.drawer .nav-item{height:48px;font-size:16px;}
.drawer .btn{width:100%;justify-content:center;margin-top:16px;}

/* 布局 */
.page-wrap{margin-left:var(--nav-w);}
.container{max-width:1180px;margin:0 auto;padding:0 24px;}
section.block{padding:76px 0;}
section.block.alt{padding:76px 0;background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.block-head{margin-bottom:32px;max-width:760px;}
.block-head h2{display:flex;align-items:center;gap:12px;margin-bottom:12px;}
.block-head h2::before{content:"";width:4px;height:24px;border-radius:3px;background:var(--c-primary);flex:0 0 auto;}
.block-head p{color:var(--c-text-2);font-size:15px;margin:0;line-height:1.85;}

/* 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;cursor:pointer;border:1px solid transparent;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);
  min-width:44px;text-align:center;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(1px);box-shadow:none;}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;transform:translateY(-1px);}
.btn-outline{background:#fff;color:var(--c-primary-d);border-color:var(--c-line);}
.btn-outline:hover{color:var(--c-primary);border-color:var(--c-primary);transform:translateY(-1px);box-shadow:var(--sh-1);}
.btn-sub{background:#F2EFE9;color:var(--c-text);}
.btn-sub:hover{background:#EAE5DC;color:var(--c-text);transform:translateY(-1px);}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}

/* 徽章与标签 */
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 11px;border-radius:999px;font-size:12.5px;font-weight:500;line-height:1;}
.badge-primary{background:rgba(242,101,34,.12);color:var(--c-primary-d);}
.badge-accent{background:rgba(23,195,178,.14);color:#0E8C80;}
.badge-neutral{background:#F1EEE8;color:var(--c-text-2);}
.badge-dark{background:var(--c-bg-dark);color:#fff;}
.tag{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;background:#F1EEE8;color:var(--c-text-2);font-size:12.5px;}

/* Hero */
.hero{
  position:relative;border-radius:var(--r-kv);overflow:hidden;min-height:560px;display:flex;align-items:center;
  margin-top:28px;
  background-image:linear-gradient(90deg,rgba(20,22,26,.94) 0%,rgba(20,22,26,.78) 46%,rgba(20,22,26,.42) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.hero-inner{padding:64px 48px;max-width:660px;color:#fff;}
.hero h1{color:#fff;margin-bottom:16px;}
.hero .hero-sub{color:rgba(255,255,255,.82);font-size:16.5px;line-height:1.85;margin-bottom:26px;max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:10px;}
.hero-stat{
  display:flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);color:#fff;font-size:13px;
}
.hero-stat b{font-weight:700;font-variant-numeric:tabular-nums;color:#fff;}
.hero-stat i{width:7px;height:7px;border-radius:50%;background:var(--c-accent);display:block;}

/* 快速入口 */
.quick-band{padding:34px 0 0;}
.quick-list{display:flex;flex-wrap:wrap;gap:12px;}
.quick-item{
  display:inline-flex;align-items:center;gap:9px;height:46px;padding:0 18px;border-radius:999px;
  background:#fff;border:1px solid var(--c-line);color:var(--c-text-2);font-size:14.5px;font-weight:500;
  transition:transform var(--t),box-shadow var(--t),color var(--t),border-color var(--t);
}
.quick-item svg{width:18px;height:18px;stroke:var(--c-primary);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.quick-item:hover{color:var(--c-primary-d);border-color:var(--c-primary);transform:translateY(-2px);box-shadow:var(--sh-1);}

/* 步骤流 */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.step{position:relative;background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);padding:26px 22px;transition:transform var(--t),box-shadow var(--t);}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.step-num{font-size:30px;font-weight:700;color:var(--c-primary);font-variant-numeric:tabular-nums;line-height:1;margin-bottom:14px;}
.step h3{margin-bottom:10px;}
.step p{color:var(--c-text-2);font-size:14.5px;line-height:1.85;margin:0;}
.step-thumb{margin-top:18px;border-radius:12px;overflow:hidden;aspect-ratio:16/9;background:#EDEAE4;}
.step-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;animation:none;background:none;}

/* 奖励卡片 */
.reward-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.reward-card{background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;display:flex;flex-direction:column;transition:transform var(--t),box-shadow var(--t);}
.reward-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.reward-cover{aspect-ratio:16/10;overflow:hidden;background:#EDEAE4;}
.reward-cover img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform var(--t);animation:none;background:none;}
.reward-card:hover .reward-cover img{transform:scale(1.03);}
.reward-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.reward-body h3{font-size:17px;}
.reward-body p{color:var(--c-text-2);font-size:14px;line-height:1.8;margin:0;flex:1;}
.reward-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;}

/* 进度 */
.progress-card{background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);padding:28px 26px;box-shadow:var(--sh-1);}
.progress-top{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px;}
.progress-track{position:relative;height:8px;border-radius:999px;background:var(--c-track);}
.progress-fill{position:absolute;inset:0 auto 0 0;width:68%;border-radius:999px;background:linear-gradient(90deg,var(--c-primary),var(--c-accent));}
.progress-fill::after{content:"";position:absolute;right:-6px;top:-4px;width:16px;height:16px;border-radius:50%;background:#fff;border:2px solid var(--c-accent);animation:breathe 2s ease-in-out infinite;}
@keyframes breathe{0%,100%{box-shadow:0 0 0 0 rgba(23,195,178,.35)}50%{box-shadow:0 0 0 8px rgba(23,195,178,0)}}
.progress-nodes{display:flex;justify-content:space-between;margin-top:18px;gap:12px;}
.pnode{flex:1;text-align:center;font-size:13px;color:var(--c-text-3);}
.pnode i{display:block;width:12px;height:12px;border-radius:50%;background:var(--c-track);margin:0 auto 8px;}
.pnode.done i{background:var(--c-primary);}
.pnode.current i{background:var(--c-primary);box-shadow:0 0 0 1px var(--c-accent);}
.pnode.done,.pnode.current{color:var(--c-text-2);font-weight:600;}

/* CMS 列表 */
.news-list{display:flex;flex-direction:column;gap:16px;min-height:240px;}
.news-item{display:grid;grid-template-columns:220px 1fr;gap:20px;background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);padding:16px;transition:transform var(--t),box-shadow var(--t),border-color var(--t);}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#DCD7CE;}
.news-thumb{aspect-ratio:16/10;border-radius:12px;overflow:hidden;background:#EDEAE4;}
.news-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;animation:none;background:none;}
.news-body{display:flex;flex-direction:column;gap:8px;min-width:0;}
.news-title{font-size:17px;font-weight:600;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-item:hover .news-title{color:var(--c-primary-d);text-decoration:underline;text-underline-offset:2px;}
.news-desc{color:var(--c-text-2);font-size:14px;line-height:1.8;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--c-text-3);margin-top:auto;}
.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding:56px 20px;text-align:center;background:#fff;border:1px dashed var(--c-line);border-radius:var(--r-card);color:var(--c-text-2);}
.empty-state svg{width:44px;height:44px;stroke:var(--c-text-3);fill:none;stroke-width:1.4;}

/* FAQ */
.faq{border-top:1px solid var(--c-line);}
.faq details{border-bottom:1px solid var(--c-line);position:relative;background:transparent;}
.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:14px 4px 14px 0;font-size:17px;font-weight:600;color:var(--c-text);transition:color var(--t);
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"+";font-size:22px;font-weight:400;color:var(--c-text-3);transition:transform 180ms cubic-bezier(.2,.7,.3,1),color var(--t);line-height:1;}
.faq details[open] summary::after{content:"−";transform:rotate(180deg);color:var(--c-primary);}
.faq details[open] summary{color:var(--c-primary-d);}
.faq details[open]::before{content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:3px;background:var(--c-primary);}
.faq summary:hover{color:var(--c-primary);}
.faq-answer{font-size:15px;line-height:1.9;color:var(--c-text-2);padding:0 4px 18px 16px;margin:0;}

/* CTA */
.cta-band{
  background:var(--c-bg-dark);border-radius:var(--r-kv);padding:44px 42px;display:flex;flex-wrap:wrap;
  align-items:center;justify-content:space-between;gap:24px;color:#fff;
}
.cta-band h2{color:#fff;margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.72);margin:0;font-size:15px;max-width:560px;}
.cta-band .btn-primary{min-width:180px;}

/* 页脚 */
.site-footer{background:var(--c-bg-dark);color:rgba(255,255,255,.72);margin-top:76px;padding:56px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand .brand-name{color:#fff;}
.footer-brand .brand-sub{color:rgba(255,255,255,.55);}
.footer-about{font-size:14px;line-height:1.85;color:rgba(255,255,255,.65);margin-top:14px;max-width:340px;}
.footer-col h3{font-size:14px;color:#fff;margin-bottom:14px;font-weight:600;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{color:rgba(255,255,255,.7);font-size:14px;}
.footer-col a:hover{color:var(--c-accent);}
.footer-contact p{font-size:14px;color:rgba(255,255,255,.65);margin:0 0 10px;line-height:1.8;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:38px;padding-top:18px;font-size:13px;color:rgba(255,255,255,.55);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;}

/* 响应式 */
@media (max-width:1439px){
  :root{--nav-w:216px;}
  .container{padding:0 22px;}
}
@media (max-width:1279px){
  .reward-grid{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:1023px){
  .sidebar{display:none;}
  .topbar{display:flex;}
  .page-wrap{margin-left:0;padding-top:56px;}
  .hero{margin-top:20px;min-height:480px;}
  .hero-inner{padding:48px 32px;}
  section.block,section.block.alt{padding:56px 0;}
  .steps{grid-template-columns:1fr;gap:18px;}
  .reward-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (min-width:1440px){
  .reward-grid{grid-template-columns:repeat(4,1fr);}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 16px;}
  .hero{min-height:420px;border-radius:16px;}
  .hero-inner{padding:36px 22px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{flex:1 1 100%;}
  .quick-list{flex-wrap:nowrap;overflow-x:auto;padding-bottom:8px;-webkit-overflow-scrolling:touch;}
  .quick-item{flex:0 0 auto;}
  .reward-grid{grid-template-columns:1fr;}
  .news-item{grid-template-columns:1fr;gap:12px;}
  .news-thumb{display:none;}
  .cta-band{padding:32px 22px;}
  .cta-band .btn-primary{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .progress-nodes{flex-direction:column;gap:14px;text-align:left;}
  .pnode{display:flex;align-items:center;gap:10px;text-align:left;}
  .pnode i{margin:0;}
}
@media (max-width:520px){
  .hero{min-height:400px;}
  .hero-stat{font-size:12.5px;padding:7px 12px;}
  .block-head h2::before{height:20px;}
}

/* roulang page: article */
:root{
  --c-primary:#F26522;
  --c-primary-dark:#C94E14;
  --c-accent:#17C3B2;
  --c-warn:#7A5CFF;
  --c-bg:#F7F6F3;
  --c-bg-dark:#14161A;
  --c-card:#FFFFFF;
  --c-text:#1B1D21;
  --c-text-2:#5A5F66;
  --c-text-3:#8A9099;
  --c-line:#E6E3DD;
  --c-track:#EDEAE4;
  --r-card:14px;
  --r-kv:20px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(20,22,26,.06),0 8px 24px rgba(20,22,26,.06);
  --sh-2:0 12px 32px rgba(20,22,26,.12);
  --ease:200ms cubic-bezier(.2,.7,.3,1);
  --sidebar:240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"PingFang SC","HarmonyOS Sans","MiSans","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  font-feature-settings:"tnum";
}
img{max-width:100%;display:block}
a{color:var(--c-primary-dark);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--c-primary)}
button{font:inherit;cursor:pointer}
h1,h2,h3,h4{margin:0;line-height:1.35;letter-spacing:-.01em}
p{margin:0 0 18px}
p:last-child{margin-bottom:0}
ul,ol{margin:0 0 18px;padding-left:22px}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}

/* ---------- 左侧竖向导航 ---------- */
.side-nav{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar);
  background:#fff;border-right:1px solid var(--c-line);
  display:flex;flex-direction:column;z-index:80;
}
.brand{display:flex;align-items:center;gap:10px;padding:20px 20px 16px;border-bottom:1px solid var(--c-line)}
.brand-mark{display:flex;align-items:center;gap:10px}
.brand-dot{
  width:36px;height:36px;border-radius:10px;flex:none;
  background:linear-gradient(135deg,var(--c-primary),#FF9A5B);
  color:#fff;font-weight:700;font-size:17px;
  display:flex;align-items:center;justify-content:center;
}
.brand-name{display:block;font-size:16px;font-weight:700;line-height:1.2}
.brand-sub{display:block;font-size:12px;color:var(--c-text-3);line-height:1.4}
.nav-scroll{flex:1;overflow-y:auto;padding:14px 12px;display:flex;flex-direction:column;gap:4px}
.nav-group-label{
  margin:6px 0 4px;padding:0 12px;font-size:12px;color:var(--c-text-3);
}
.nav-item{
  position:relative;display:flex;align-items:center;gap:10px;
  height:44px;padding:0 12px;border-radius:10px;
  font-size:15px;color:var(--c-text-2);
  transition:background var(--ease),color var(--ease);
}
.nav-item svg{width:20px;height:20px;flex:none;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.nav-item:hover{background:#F7F6F3;color:var(--c-text)}
.nav-item.active{color:var(--c-primary);background:rgba(242,101,34,.06)}
.nav-item.active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
  border-radius:3px;background:var(--c-primary);
}
.side-foot{padding:14px 16px 16px;border-top:1px solid var(--c-line)}
.side-foot .btn{width:100%;justify-content:center}
.side-foot p{margin:10px 0 0;font-size:12px;color:var(--c-text-3);line-height:1.6}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:var(--r-btn);
  border:1px solid transparent;font-size:15px;font-weight:600;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(1px);box-shadow:none}
.btn-ghost{background:transparent;border-color:var(--c-line);color:var(--c-text)}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-on-dark{background:var(--c-primary);color:#fff}
.btn-on-dark:hover{background:#FF7B3D;color:#fff;transform:translateY(-1px)}
.btn-outline-dark{background:transparent;border-color:rgba(255,255,255,.32);color:#fff}
.btn-outline-dark:hover{border-color:#fff;color:#fff;transform:translateY(-1px)}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- 徽章 / 胶囊 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;line-height:1;
}
.badge-primary{background:rgba(242,101,34,.12);color:var(--c-primary-dark)}
.badge-accent{background:rgba(23,195,178,.14);color:#0E8B80}
.badge-muted{background:#EFEDE8;color:var(--c-text-2)}
.badge-dark{background:var(--c-bg-dark);color:#fff}
.badge-warn{background:rgba(122,92,255,.14);color:#5A3FE0}

/* ---------- 移动端顶部导航 ---------- */
.mobile-nav{
  display:none;position:fixed;top:0;left:0;right:0;height:56px;z-index:90;
  background:rgba(255,255,255,.96);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-line);align-items:center;justify-content:space-between;
  padding:0 16px;transition:box-shadow var(--ease),height var(--ease);
}
.mobile-nav.scrolled{box-shadow:var(--sh-1);height:52px}
.mobile-nav .brand{padding:0;border:0}
.burger{
  width:44px;height:44px;border-radius:10px;border:1px solid var(--c-line);background:#fff;
  display:flex;align-items:center;justify-content:center;color:var(--c-text);
}
.burger:hover{border-color:var(--c-primary);color:var(--c-primary)}
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,22,26,.55);z-index:95;
  opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease);
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,84vw);z-index:96;
  background:#fff;padding:18px 14px;display:flex;flex-direction:column;gap:6px;
  transform:translateX(102%);transition:transform 240ms cubic-bezier(.2,.7,.3,1);
  overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.drawer .drawer-close{width:44px;height:44px;border-radius:10px;border:1px solid var(--c-line);background:#fff;color:var(--c-text-2)}
.drawer .btn{margin-top:12px}

/* ---------- 主区域 ---------- */
.page{padding-top:0}
.section{padding:56px 0}
.section-tight{padding:32px 0}

/* 面包屑 */
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--c-text-3);padding:26px 0 0;
}
.crumbs a{color:var(--c-text-2)}
.crumbs a:hover{color:var(--c-primary)}
.crumbs .sep{color:#C9C4BB}
.crumbs .current{color:var(--c-text-3);max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* 文章头部 */
.article-head{padding:18px 0 34px;border-bottom:1px solid var(--c-line)}
.article-head h1{
  font-size:clamp(28px,4vw,44px);font-weight:700;
  margin:14px 0 16px;max-width:22ch;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;font-size:13.5px;color:var(--c-text-3)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#CFCAC1}

/* 文章主体布局 */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 220px;gap:48px;padding:40px 0 8px;align-items:start}
.article-main{max-width:780px}
.article-body{font-size:17px;line-height:1.9;color:#26282C;overflow-wrap:break-word;word-break:break-word}
.article-body p{margin:0 0 18px}
.article-body h2{
  position:relative;font-size:clamp(22px,2.6vw,30px);font-weight:600;
  margin:36px 0 14px;padding-left:16px;color:var(--c-text);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.32em;width:3px;height:18px;border-radius:3px;background:var(--c-primary);
}
.article-body h3{font-size:19px;font-weight:600;margin:24px 0 10px;color:var(--c-text)}
.article-body ul,.article-body ol{line-height:1.85;margin:0 0 18px;padding-left:24px}
.article-body li{margin-bottom:8px}
.article-body blockquote{
  margin:24px 0;padding:16px 18px;border-left:4px solid var(--c-accent);
  background:#fff;border-radius:0 var(--r-img) var(--r-img) 0;color:var(--c-text-2);
}
.article-body img{border-radius:var(--r-img);margin:24px auto;box-shadow:var(--sh-1)}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--c-text-3);text-align:center;margin-top:8px}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px}
.article-body th,.article-body td{padding:10px 14px;border:1px solid var(--c-line);text-align:left}
.article-body thead th{background:#F1EEE8;font-weight:600}
.article-body tbody tr:nth-child(even){background:#FBFAF8}
.article-body pre{
  background:#F1EEE8;border-radius:10px;padding:14px 16px;overflow-x:auto;margin:20px 0;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14px;line-height:1.7;
}
.article-body code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.92em;background:#F1EEE8;padding:2px 6px;border-radius:6px}
.article-body pre code{background:none;padding:0}
.article-body hr{border:0;border-top:1px dashed var(--c-line);margin:32px 0}
.article-body a{text-decoration:underline;text-underline-offset:3px}

/* 目录 */
.toc{position:sticky;top:88px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:16px 14px;box-shadow:var(--sh-1)}
.toc h2{font-size:13px;letter-spacing:.04em;color:var(--c-text-3);font-weight:600;margin:0 0 10px;text-transform:none}
.toc ol{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}
.toc a{
  display:block;font-size:13.5px;color:var(--c-text-2);line-height:1.5;
  padding:7px 10px;border-radius:8px;border-left:3px solid transparent;
  transition:color var(--ease),background var(--ease),border-color var(--ease);
}
.toc a:hover{background:#F7F6F3;color:var(--c-text)}
.toc a.is-active{border-left-color:var(--c-primary);color:var(--c-primary);background:rgba(242,101,34,.06)}
.toc .toc-hint{font-size:12.5px;color:var(--c-text-3);margin:10px 0 0}

/* 正文占位/空态 */
.empty-state{
  min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;background:#fff;border:1px dashed var(--c-line);border-radius:var(--r-card);
  padding:40px 24px;text-align:center;
}
.empty-state svg{width:44px;height:44px;stroke:var(--c-text-3);fill:none;stroke-width:1.4}
.empty-state p{color:var(--c-text-2);margin:0}

/* 标签 */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:36px;padding-top:24px;border-top:1px solid var(--c-line)}
.tag-row a{
  display:inline-flex;align-items:center;height:34px;padding:0 14px;border-radius:999px;
  background:#fff;border:1px solid var(--c-line);font-size:13.5px;color:var(--c-text-2);
  transition:border-color var(--ease),color var(--ease),transform var(--ease);
}
.tag-row a:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-1px)}

/* 相关推荐 */
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin-top:26px}
.rel-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#DAD5CC}
.rel-cover{aspect-ratio:16/10;width:100%;object-fit:cover;background:#EFEDE8;transition:transform var(--ease)}
.rel-card:hover .rel-cover{transform:scale(1.03)}
.rel-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-body h3{font-size:17px;font-weight:600;line-height:1.4}
.rel-card:hover h3{color:var(--c-primary)}
.rel-body p{font-size:14px;color:var(--c-text-2);margin:0;line-height:1.7}
.rel-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-text-3)}

/* 通用小标题 */
.sec-head{max-width:720px;margin-bottom:26px}
.sec-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:600;margin-bottom:12px}
.sec-head p{color:var(--c-text-2);margin:0}

/* CTA */
.cta-band{
  background:var(--c-bg-dark);color:#fff;border-radius:var(--r-kv);
  padding:40px 40px;display:flex;align-items:center;justify-content:space-between;gap:28px;
}
.cta-band h2{color:#fff;font-size:clamp(20px,2.2vw,26px);margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.72);margin:0;max-width:52ch;font-size:15px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.back-row{display:flex;flex-wrap:wrap;gap:12px;padding:8px 0 0}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-bg-dark);color:rgba(255,255,255,.72);margin-top:72px;padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:36px}
.footer-brand .brand-mark{align-items:flex-start}
.footer-brand .brand-dot{background:linear-gradient(135deg,var(--c-primary),#FF9A5B)}
.footer-brand .brand-name{color:#fff}
.footer-brand .brand-sub{color:rgba(255,255,255,.55)}
.footer-about{margin:16px 0 0;font-size:14px;line-height:1.8;color:rgba(255,255,255,.68);max-width:36ch}
.footer-col h3{font-size:15px;color:#fff;font-weight:600;margin-bottom:14px}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.footer-col a{color:rgba(255,255,255,.72);font-size:14.5px}
.footer-col a:hover{color:var(--c-accent)}
.footer-contact p{font-size:14px;line-height:1.8;margin:0 0 10px;color:rgba(255,255,255,.68)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:18px 0 24px;
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- 响应式 ---------- */
@media (min-width:1024px){
  body{padding-left:var(--sidebar)}
  .side-nav{display:flex}
  .mobile-nav{display:none}
}
@media (min-width:1280px) and (max-width:1439px){
  :root{--sidebar:216px}
}
@media (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,1fr) 200px;gap:32px}
}
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .toc{display:none}
}
@media (max-width:1023px){
  body{padding-left:0;padding-top:56px}
  .side-nav{display:none}
  .mobile-nav{display:flex}
  .section{padding:56px 0}
}
@media (max-width:900px){
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-band{flex-direction:column;align-items:flex-start}
}
@media (max-width:767px){
  body{font-size:16px;padding-top:52px}
  .container{padding:0 16px}
  .section{padding:40px 0}
  .article-body{font-size:16px}
  .article-head h1{max-width:none}
  .article-body h2{margin-top:30px}
  .cta-band{padding:28px 22px;border-radius:16px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
}
@media (max-width:640px){
  .rel-grid{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:1fr}
  .crumbs{padding-top:18px}
  .article-meta{gap:8px 14px}
}

/* roulang page: category1 */
:root{
  --c-primary:#F26522;
  --c-primary-dark:#C94E13;
  --c-accent:#17C3B2;
  --c-warn:#7A5CFF;
  --c-bg:#F7F6F3;
  --c-bg-dark:#14161A;
  --c-card:#FFFFFF;
  --c-text:#1B1D21;
  --c-text-2:#5A5F66;
  --c-text-3:#8A9099;
  --c-line:#E6E3DD;
  --c-track:#EDEAE4;
  --c-error:#D64545;
  --r-card:14px;
  --r-btn:10px;
  --r-kv:20px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(20,22,26,.06), 0 8px 24px rgba(20,22,26,.06);
  --sh-2:0 12px 32px rgba(20,22,26,.12);
  --t:200ms cubic-bezier(.2,.7,.3,1);
  --sidebar-w:240px;
  --font-cn:"PingFang SC","HarmonyOS Sans","MiSans","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.9;
  color:var(--c-text);
  background:var(--c-bg);
  font-feature-settings:"tnum";
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:var(--c-primary-dark);text-decoration:none;transition:color var(--t),opacity var(--t)}
a:hover{color:var(--c-primary)}
button{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.35;letter-spacing:-.01em}
h1{font-size:clamp(28px,4vw,44px);font-weight:700}
h2{font-size:clamp(22px,2.6vw,30px);font-weight:600}
h3{font-size:19px;font-weight:600}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}

/* ---------- 骨架布局 ---------- */
.shell{display:block}
.sidebar{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--sidebar-w);
  background:var(--c-card);
  border-right:1px solid var(--c-line);
  display:flex;
  flex-direction:column;
  padding:22px 16px 18px;
  z-index:60;
}
.content{
  margin-left:var(--sidebar-w);
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
.container{width:100%;max-width:1160px;margin:0 auto;padding:0 32px}

/* ---------- 品牌 ---------- */
.brand-mark{display:flex;align-items:center;gap:10px}
.brand-dot{
  width:38px;height:38px;flex:0 0 38px;
  border-radius:11px;
  background:linear-gradient(135deg,var(--c-primary),#FF8A4C);
  color:#fff;font-weight:700;font-size:19px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(242,101,34,.32);
}
.brand-name{display:block;font-size:16px;font-weight:700;line-height:1.2;color:var(--c-text)}
.brand-sub{display:block;font-size:12px;color:var(--c-text-3);line-height:1.5;letter-spacing:0}

/* ---------- 侧栏导航 ---------- */
.nav-scroll{margin-top:26px;flex:1 1 auto;overflow-y:auto;padding-right:2px}
.nav-group-label{
  font-size:12px;color:var(--c-text-3);
  padding:0 10px 8px;margin:0;
  border-bottom:1px solid var(--c-line);
  margin-bottom:10px;
}
.nav-item{
  display:flex;align-items:center;gap:10px;
  min-height:44px;
  padding:0 10px;
  border-radius:9px;
  font-size:15px;
  color:var(--c-text-2);
  border-left:3px solid transparent;
  transition:background var(--t),color var(--t),border-color var(--t);
}
.nav-item svg{
  width:20px;height:20px;flex:0 0 20px;
  fill:none;stroke:currentColor;stroke-width:1.7;
  stroke-linecap:round;stroke-linejoin:round;
}
.nav-item:hover{background:#F3F1EC;color:var(--c-text)}
.nav-item.active{
  background:rgba(242,101,34,.06);
  border-left-color:var(--c-primary);
  color:var(--c-text);
  font-weight:600;
}
.nav-item.active svg{stroke:var(--c-primary)}
.sidebar-cta{margin-top:18px}
.sidebar-foot{
  margin-top:12px;font-size:12px;color:var(--c-text-3);
  border-top:1px solid var(--c-line);padding-top:12px;line-height:1.7;
}

/* ---------- 顶部移动导航 ---------- */
.topbar{
  display:none;
  position:fixed;top:0;left:0;right:0;
  height:56px;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(180%) blur(8px);
  border-bottom:1px solid var(--c-line);
  z-index:70;
  transition:box-shadow var(--t),height var(--t);
}
.topbar.is-scrolled{box-shadow:var(--sh-1);height:52px}
.topbar-inner{
  height:100%;display:flex;align-items:center;justify-content:space-between;
  padding:0 16px;
}
.topbar .brand-name{font-size:15px}
.topbar .brand-sub{font-size:11px}
.topbar .brand-dot{width:32px;height:32px;flex:0 0 32px;font-size:16px;border-radius:10px}
.menu-btn{
  width:44px;height:44px;
  display:flex;align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--c-line);border-radius:10px;
  cursor:pointer;transition:background var(--t),border-color var(--t);
}
.menu-btn:hover{background:#F3F1EC;border-color:#D8D4CC}
.menu-btn svg{width:22px;height:22px;fill:none;stroke:var(--c-text);stroke-width:1.8;stroke-linecap:round}

/* ---------- 抽屉 ---------- */
.overlay{
  position:fixed;inset:0;background:rgba(20,22,26,.55);
  opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);
  z-index:80;
}
.overlay.show{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;
  width:min(320px,84vw);
  background:var(--c-card);
  transform:translateX(102%);
  transition:transform 240ms cubic-bezier(.2,.7,.3,1);
  z-index:90;
  display:flex;flex-direction:column;
  padding:20px 18px;
  overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-close{
  width:44px;height:44px;border-radius:10px;border:1px solid var(--c-line);
  background:transparent;cursor:pointer;display:flex;align-items:center;justify-content:center;
}
.drawer-close svg{width:20px;height:20px;fill:none;stroke:var(--c-text);stroke-width:1.8;stroke-linecap:round}
.drawer .nav-item{font-size:16px;min-height:48px}
.drawer-cta{margin-top:auto;padding-top:20px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);
  white-space:nowrap;
}
.btn:active{transform:translateY(1px);box-shadow:none}
.btn-primary{
  background:linear-gradient(180deg,#FF7A3D,var(--c-primary));
  color:#fff;box-shadow:0 6px 18px rgba(242,101,34,.28);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--sh-2);color:#fff}
.btn-ghost{
  background:rgba(255,255,255,.08);
  border-color:rgba(255,255,255,.42);
  color:#fff;
}
.btn-ghost:hover{background:rgba(255,255,255,.16);color:#fff;transform:translateY(-1px)}
.btn-outline{
  background:transparent;border-color:var(--c-line);color:var(--c-text);
}
.btn-outline:hover{border-color:var(--c-primary);color:var(--c-primary-dark);transform:translateY(-1px)}
.btn-block{width:100%}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- 徽章与标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;
  border-radius:999px;
  font-size:12.5px;font-weight:600;
  background:#F1EFEA;color:var(--c-text-2);
  white-space:nowrap;
}
.badge-primary{background:rgba(242,101,34,.10);color:var(--c-primary-dark)}
.badge-accent{background:rgba(23,195,178,.12);color:#0E8E82}
.badge-dark{background:rgba(20,22,26,.86);color:#fff}
.badge-warn{background:rgba(122,92,255,.12);color:#5A3FD6}
.badge-dot{width:7px;height:7px;border-radius:50%;background:currentColor;flex:0 0 7px}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  border-radius:0 0 var(--r-kv) var(--r-kv);
  overflow:hidden;
  color:#fff;
}
.hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(16,18,22,.94) 0%,rgba(16,18,22,.86) 42%,rgba(16,18,22,.58) 72%,rgba(16,18,22,.42) 100%);
}
.hero-inner{position:relative;z-index:2;padding:52px 0 46px}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(260px,.85fr);gap:40px;align-items:center}
.crumb{
  font-size:13px;color:rgba(255,255,255,.62);
  display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin-bottom:16px;
}
.crumb a{color:rgba(255,255,255,.72)}
.crumb a:hover{color:var(--c-accent)}
.crumb .sep{color:rgba(255,255,255,.38)}
.hero h1{max-width:660px;margin-bottom:14px}
.hero-lead{
  max-width:620px;
  font-size:17px;line-height:1.85;
  color:rgba(255,255,255,.80);
  margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px}
.hero-badges .badge{
  height:30px;
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.18);
  color:rgba(255,255,255,.88);
  font-weight:500;
}
.hero-badges .badge strong{color:#fff;font-weight:700}
.hero-panel{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-kv);
  padding:22px 20px;
  backdrop-filter:blur(6px);
}
.hero-panel h2{
  font-size:16px;font-weight:600;color:#fff;
  margin-bottom:14px;display:flex;align-items:center;gap:8px;
}
.hero-panel h2::before{
  content:"";width:3px;height:16px;border-radius:2px;background:var(--c-primary);
}
.panel-list li{
  display:flex;align-items:baseline;justify-content:space-between;gap:12px;
  padding:10px 0;
  border-bottom:1px dashed rgba(255,255,255,.16);
  font-size:14px;color:rgba(255,255,255,.78);
}
.panel-list li:last-child{border-bottom:none;padding-bottom:0}
.panel-list li b{color:#fff;font-weight:600;font-feature-settings:"tnum"}

/* ---------- 通用板块 ---------- */
.section{padding:76px 0 0}
.section:last-of-type{padding-bottom:0}
.section-head{max-width:760px;margin-bottom:30px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--c-primary-dark);
  letter-spacing:0;margin-bottom:10px;
}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--c-primary)}
.section-title{margin-bottom:12px}
.section-desc{color:var(--c-text-2);font-size:16px;line-height:1.9}

/* ---------- 特色区 ---------- */
.feature{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);
  gap:36px;
  align-items:center;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-kv);
  padding:28px;
  box-shadow:var(--sh-1);
}
.feature-media{position:relative}
.feature-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:var(--r-card);
}
.feature-sub{
  position:absolute;right:-14px;bottom:-18px;
  width:150px;
  border-radius:12px;
  border:3px solid var(--c-card);
  box-shadow:var(--sh-2);
  object-fit:cover;
  aspect-ratio:4/3;
}
.feature-body h3{font-size:20px;margin-bottom:12px}
.feature-body p{color:var(--c-text-2);font-size:16px;line-height:1.9;margin-bottom:14px}
.feature-list li{
  position:relative;
  padding-left:22px;
  font-size:15px;color:var(--c-text-2);
  margin-bottom:8px;
}
.feature-list li::before{
  content:"";position:absolute;left:0;top:11px;
  width:8px;height:8px;border-radius:2px;
  background:var(--c-accent);
}

/* ---------- 术语定义 ---------- */
.term-grid{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
}
.term-item{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-left:3px solid var(--c-primary);
  border-radius:var(--r-card);
  padding:20px 22px;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.term-item:hover{transform:translateY(-3px);box-shadow:var(--sh-1);border-left-color:var(--c-accent)}
.term-item h3{font-size:17px;margin-bottom:8px}
.term-item p{font-size:15px;color:var(--c-text-2);line-height:1.85}
.term-item .badge{margin-top:12px}

/* ---------- 节奏与要点 ---------- */
.pace-wrap{
  display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);
  gap:26px;
  align-items:start;
}
.pace-card{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--sh-1);
}
.pace-card h3{font-size:18px;margin-bottom:8px}
.pace-card .muted{font-size:14px;color:var(--c-text-2);margin-bottom:20px}
.pace-track{
  position:relative;height:8px;border-radius:999px;background:var(--c-track);overflow:hidden;
}
.pace-fill{
  height:100%;width:62%;
  border-radius:999px;
  background:linear-gradient(90deg,var(--c-primary),var(--c-accent));
  transition:width 600ms cubic-bezier(.2,.7,.3,1);
}
.pace-meta{
  display:flex;justify-content:space-between;align-items:center;
  font-size:13px;color:var(--c-text-3);margin-top:10px;
}
.pace-nodes{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:10px;margin-top:22px;
}
.pace-node{text-align:left}
.pace-node .dot{
  width:12px;height:12px;border-radius:50%;
  background:#DAD6CE;margin-bottom:8px;
}
.pace-node.done .dot{background:var(--c-primary)}
.pace-node.current .dot{
  background:var(--c-primary);
  box-shadow:0 0 0 3px rgba(23,195,178,.35);
}
.pace-node .name{font-size:14px;font-weight:600;display:block;margin-bottom:2px}
.pace-node .desc{font-size:12.5px;color:var(--c-text-3);line-height:1.6}
.point-list{display:grid;gap:14px}
.point-item{
  display:flex;gap:14px;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:18px 20px;
  transition:transform var(--t),box-shadow var(--t);
}
.point-item:hover{transform:translateY(-3px);box-shadow:var(--sh-1)}
.point-ico{
  width:40px;height:40px;flex:0 0 40px;
  border-radius:11px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(23,195,178,.12);
  color:#0E8E82;
}
.point-ico svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.point-item h3{font-size:16.5px;margin-bottom:6px}
.point-item p{font-size:14.5px;color:var(--c-text-2);line-height:1.8}

/* ---------- FAQ ---------- */
.faq{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-item:last-child{border-bottom:none}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:14px 22px;
  font-size:17px;font-weight:600;
  border-left:3px solid transparent;
  transition:background var(--t),border-color var(--t),color var(--t);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:#FAF9F6;color:var(--c-primary-dark)}
.faq-item[open] summary{border-left-color:var(--c-primary);background:#FAF9F6}
.faq-icon{
  width:22px;height:22px;flex:0 0 22px;
  fill:none;stroke:var(--c-text-2);stroke-width:2;stroke-linecap:round;
  transition:transform 180ms cubic-bezier(.2,.7,.3,1),stroke 180ms;
}
.faq-item[open] .faq-icon{transform:rotate(45deg);stroke:var(--c-primary)}
.faq-a{
  padding:0 22px 20px 25px;
  font-size:15px;line-height:1.85;color:var(--c-text-2);
}

/* ---------- CTA ---------- */
.cta-band{
  margin-top:76px;
  background:var(--c-bg-dark);
  border-radius:var(--r-kv);
  padding:40px 38px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  color:#fff;
}
.cta-band h2{color:#fff;margin-bottom:10px;font-size:clamp(22px,2.4vw,28px)}
.cta-band p{color:rgba(255,255,255,.72);font-size:15.5px;max-width:600px;line-height:1.85}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:76px;
  background:var(--c-bg-dark);
  color:rgba(255,255,255,.72);
  padding:52px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:32px;
  padding-bottom:34px;
  border-bottom:1px solid rgba(255,255,255,.10);
}
.footer-brand .brand-name{color:#fff}
.footer-brand .brand-sub{color:rgba(255,255,255,.55)}
.footer-about{
  margin-top:16px;font-size:14.5px;line-height:1.9;
  color:rgba(255,255,255,.62);max-width:380px;
}
.footer-col h3{
  font-size:15px;color:#fff;font-weight:600;margin-bottom:14px;
}
.footer-col ul li{margin-bottom:10px}
.footer-col a{color:rgba(255,255,255,.68);font-size:14.5px}
.footer-col a:hover{color:var(--c-accent)}
.footer-contact p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.60);margin-bottom:8px}
.footer-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  padding-top:20px;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1439px){
  :root{--sidebar-w:216px}
}
@media (max-width:1279px){
  .hero-grid{grid-template-columns:1fr;gap:28px}
  .hero-panel{max-width:520px}
}
@media (max-width:1023px){
  .sidebar{display:none}
  .topbar{display:block}
  .drawer{display:flex}
  .content{margin-left:0;padding-top:56px}
  .container{padding:0 20px}
  .section{padding-top:56px}
  .feature{grid-template-columns:1fr;padding:22px}
  .feature-sub{position:static;width:100%;margin-top:14px;border-width:0;box-shadow:none;border-radius:var(--r-img)}
  .pace-wrap{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 26px;margin-top:56px}
  .cta-actions{width:100%}
  .site-footer{margin-top:56px;padding-top:44px}
}
@media (max-width:767px){
  body{font-size:16px}
  .hero-inner{padding:36px 0 34px}
  .hero h1{margin-bottom:12px}
  .hero-lead{font-size:15.5px;margin-bottom:22px}
  .hero-actions .btn{width:100%}
  .term-grid{grid-template-columns:1fr}
  .pace-nodes{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
  .footer-grid{grid-template-columns:1fr}
  .faq-item summary{font-size:16px;padding:12px 18px}
  .faq-a{padding:0 18px 18px}
  .section{padding-top:40px}
}
@media (max-width:639px){
  .topbar{height:52px}
  .topbar.is-scrolled{height:48px}
  .container{padding:0 16px}
  .feature{padding:16px}
  .term-item{padding:16px 18px}
  .cta-band{border-radius:16px;padding:26px 18px}
  .cta-actions .btn{width:100%}
  .footer-bottom{flex-direction:column}
}

/* roulang page: category2 */
:root{
  --c-primary:#F26522;
  --c-primary-d:#D4541A;
  --c-accent:#17C3B2;
  --c-warn:#7A5CFF;
  --c-bg:#F7F6F3;
  --c-bg-dark:#14161A;
  --c-card:#FFFFFF;
  --c-text:#1B1D21;
  --c-text-2:#5A5F66;
  --c-text-3:#8A9099;
  --c-line:#E6E3DD;
  --c-line-soft:#EDEAE4;
  --r-card:14px;
  --r-kv:20px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(20,22,26,.06),0 8px 24px rgba(20,22,26,.06);
  --sh-2:0 12px 32px rgba(20,22,26,.12);
  --ease:200ms cubic-bezier(.2,.7,.3,1);
  --sidebar-w:240px;
  --sec-gap:80px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"PingFang SC","HarmonyOS Sans","MiSans","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.9;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:var(--c-primary-d);text-decoration:none;transition:color var(--ease),background var(--ease),border-color var(--ease);}
a:hover{color:var(--c-primary);}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}

.container{
  width:100%;
  max-width:1180px;
  margin:0 auto;
  padding:0 24px;
}

/* ============ 移动端顶部导航 ============ */
.mobile-header{
  display:none;
  position:fixed;
  top:0;left:0;right:0;
  height:56px;
  background:#fff;
  border-bottom:1px solid var(--c-line);
  z-index:60;
  align-items:center;
  justify-content:space-between;
  padding:0 16px;
  transition:box-shadow var(--ease),height var(--ease);
}
.mobile-header.is-scrolled{box-shadow:var(--sh-1);height:52px;}
.mobile-brand{display:flex;align-items:center;gap:10px;color:var(--c-text);font-weight:700;}
.mobile-brand .brand-dot{
  width:30px;height:30px;border-radius:9px;
  background:linear-gradient(135deg,var(--c-primary),#FF8A4C);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;
}
.mobile-brand .brand-text{font-size:16px;letter-spacing:-.01em;}
.menu-btn{
  width:44px;height:44px;border:1px solid var(--c-line);
  background:#fff;border-radius:var(--r-btn);
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;color:var(--c-text);
}
.menu-btn svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;}

.drawer-mask{
  position:fixed;inset:0;background:rgba(20,22,26,.55);
  opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease);
  z-index:70;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;
  width:min(320px,84vw);
  background:#fff;
  transform:translateX(100%);
  transition:transform 260ms cubic-bezier(.2,.7,.3,1);
  z-index:80;
  display:flex;flex-direction:column;
  padding:20px 18px 24px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-title{font-size:16px;font-weight:700;}
.drawer-close{
  width:44px;height:44px;border:1px solid var(--c-line);background:#fff;
  border-radius:var(--r-btn);cursor:pointer;color:var(--c-text);
  display:flex;align-items:center;justify-content:center;
}
.drawer-close svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;}
.drawer .nav-group-label{margin-top:4px;}
.drawer-cta{margin-top:22px;}
.drawer-cta .btn{width:100%;}

/* ============ 左侧竖向导航 ============ */
.sidebar{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--sidebar-w);
  background:#fff;
  border-right:1px solid var(--c-line);
  display:flex;flex-direction:column;
  padding:24px 18px 20px;
  z-index:50;
}
.sidebar-brand{
  display:flex;align-items:center;gap:11px;
  padding:4px 6px 20px;
  border-bottom:1px solid var(--c-line);
  margin-bottom:18px;
}
.brand-mark{display:flex;align-items:center;gap:11px;}
.brand-dot{
  width:38px;height:38px;border-radius:11px;flex:0 0 38px;
  background:linear-gradient(135deg,var(--c-primary),#FF9A5E);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:700;
}
.brand-name{display:block;font-size:16px;font-weight:700;line-height:1.3;letter-spacing:-.01em;}
.brand-sub{display:block;font-size:12px;color:var(--c-text-3);line-height:1.3;margin-top:2px;}

.nav-scroll{flex:1;overflow-y:auto;margin:0 -6px;padding:0 6px;}
.nav-group-label{
  font-size:12px;color:var(--c-text-3);
  padding:6px 10px;margin:0 0 6px;
}
.nav-item{
  display:flex;align-items:center;gap:10px;
  height:44px;padding:0 10px;
  border-radius:9px;
  font-size:15px;color:var(--c-text-2);
  position:relative;
  transition:background var(--ease),color var(--ease);
}
.nav-item svg{
  width:20px;height:20px;flex:0 0 20px;
  stroke:currentColor;fill:none;stroke-width:1.7;
  stroke-linecap:round;stroke-linejoin:round;
}
.nav-item:hover{background:#F4F2EE;color:var(--c-text);}
.nav-item.active{
  background:rgba(242,101,34,.06);
  color:var(--c-primary-d);
  font-weight:600;
}
.nav-item.active::before{
  content:"";
  position:absolute;left:-6px;top:10px;bottom:10px;
  width:3px;border-radius:3px;background:var(--c-primary);
}
.sidebar-foot{border-top:1px solid var(--c-line);padding-top:16px;margin-top:16px;}
.sidebar-foot .btn{width:100%;}
.sidebar-note{font-size:12px;color:var(--c-text-3);line-height:1.7;margin-top:12px;}

/* ============ 页面骨架 ============ */
.page-shell{padding-left:var(--sidebar-w);}
main{display:block;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(1px);box-shadow:none;}
.btn-ghost{background:#fff;color:var(--c-text);border-color:var(--c-line);}
.btn-ghost:hover{color:var(--c-primary-d);border-color:var(--c-primary);transform:translateY(-1px);box-shadow:var(--sh-1);}
.btn-ghost:active{transform:translateY(1px);box-shadow:none;}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.35);}
.btn-outline-light:hover{color:#fff;border-color:#fff;background:rgba(255,255,255,.08);transform:translateY(-1px);}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:25px;padding:0 11px;
  border-radius:999px;
  font-size:12.5px;line-height:1;
  white-space:nowrap;
}
.badge-primary{background:rgba(242,101,34,.1);color:var(--c-primary-d);}
.badge-accent{background:rgba(23,195,178,.12);color:#0E8C80;}
.badge-neutral{background:#EFEDE8;color:var(--c-text-2);}
.badge-dark{background:var(--c-bg-dark);color:#fff;}
.badge-warn{background:rgba(122,92,255,.12);color:#5B41D6;}
.badge-dot{width:6px;height:6px;border-radius:50%;background:currentColor;}

/* ============ Hero ============ */
.hero{
  position:relative;
  border-radius:var(--r-kv);
  overflow:hidden;
  background:#1A1C21 url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  min-height:420px;
  display:flex;align-items:center;
  margin:28px 0 0;
  box-shadow:var(--sh-1);
}
.hero::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(20,22,26,.94) 0%,rgba(20,22,26,.82) 42%,rgba(20,22,26,.42) 74%,rgba(20,22,26,.22) 100%);
}
.hero-inner{
  position:relative;z-index:2;
  padding:56px 48px;
  display:grid;
  grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);
  gap:40px;
  align-items:center;
  width:100%;
}
.hero-copy{max-width:640px;}
.hero h1{
  font-size:clamp(28px,4vw,44px);
  font-weight:700;
  line-height:1.28;
  letter-spacing:-.01em;
  color:#fff;
  margin:14px 0 14px;
}
.hero-sub{
  font-size:16px;
  line-height:1.85;
  color:rgba(255,255,255,.78);
  max-width:560px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:28px;padding:0 13px;border-radius:999px;
  background:rgba(242,101,34,.18);
  border:1px solid rgba(242,101,34,.42);
  color:#FFB98C;font-size:12.5px;
}
.hero-stats{
  display:grid;gap:12px;
  align-content:center;
}
.stat-card{
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-card);
  padding:16px 18px;
  backdrop-filter:blur(3px);
}
.stat-num{
  font-size:24px;font-weight:700;color:#fff;
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.stat-num small{font-size:14px;font-weight:600;margin-left:2px;color:rgba(255,255,255,.7);}
.stat-label{font-size:13px;color:rgba(255,255,255,.66);margin-top:4px;line-height:1.6;}

/* ============ 面包屑 ============ */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--c-text-3);
  margin:22px 0 0;
}
.breadcrumb a{color:var(--c-text-3);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:#C9C5BD;}
.breadcrumb .current{color:var(--c-text-2);}

/* ============ 板块通用 ============ */
.section{padding-top:var(--sec-gap);}
.section-head{max-width:760px;margin-bottom:32px;}
.section-head h2{
  font-size:clamp(22px,2.6vw,30px);
  font-weight:600;
  line-height:1.38;
  letter-spacing:-.01em;
  position:relative;
  padding-left:16px;
}
.section-head h2::before{
  content:"";
  position:absolute;left:0;top:6px;bottom:6px;
  width:3px;border-radius:3px;background:var(--c-primary);
}
.section-head p{
  margin-top:12px;
  font-size:15.5px;color:var(--c-text-2);line-height:1.9;
}

/* ============ 横向滚动卡片流 ============ */
.rail-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:24px;
}
.rail-head .section-head{margin-bottom:0;}
.rail-nav{display:flex;gap:10px;flex:0 0 auto;}
.rail-btn{
  width:44px;height:44px;border-radius:var(--r-btn);
  border:1px solid var(--c-line);background:#fff;color:var(--c-text);
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  transition:border-color var(--ease),color var(--ease),box-shadow var(--ease);
}
.rail-btn svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.rail-btn:hover{border-color:var(--c-primary);color:var(--c-primary);box-shadow:var(--sh-1);}
.rail-btn:active{transform:translateY(1px);}

.rail{
  display:flex;
  gap:20px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding:4px 4px 18px;
  margin:0 -4px;
  scrollbar-width:thin;
  -webkit-overflow-scrolling:touch;
}
.rail::-webkit-scrollbar{height:8px;}
.rail::-webkit-scrollbar-track{background:#EDEAE4;border-radius:999px;}
.rail::-webkit-scrollbar-thumb{background:#D5D0C7;border-radius:999px;}
.rail::-webkit-scrollbar-thumb:hover{background:#C0BAB0;}

.reward-card{
  flex:0 0 280px;
  width:280px;
  scroll-snap-align:start;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.reward-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#DFDAD1;}
.reward-thumb{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  background:#EFEDE8;
}
.reward-thumb img{
  width:100%;height:100%;object-fit:cover;border-radius:0;
  transition:transform 320ms cubic-bezier(.2,.7,.3,1);
}
.reward-card:hover .reward-thumb img{transform:scale(1.03);}
.reward-thumb .badge{
  position:absolute;top:12px;left:12px;
  background:rgba(20,22,26,.82);color:#fff;
  backdrop-filter:blur(2px);
}
.reward-body{padding:18px;display:flex;flex-direction:column;gap:8px;flex:1;}
.reward-body h3{font-size:17px;font-weight:600;line-height:1.4;}
.reward-body p{font-size:14px;color:var(--c-text-2);line-height:1.75;}
.reward-meta{
  margin-top:auto;padding-top:12px;
  border-top:1px dashed var(--c-line);
  font-size:13px;color:var(--c-text-3);
  display:flex;align-items:center;gap:8px;
}

/* ============ 阶梯时间轴 ============ */
.ladder{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:34px 32px 12px;
  box-shadow:var(--sh-1);
}
.ladder-item{
  position:relative;
  padding:0 0 30px 62px;
}
.ladder-item::before{
  content:"";
  position:absolute;left:17px;top:34px;bottom:0;
  width:2px;background:var(--c-line-soft);
}
.ladder-item:last-child::before{display:none;}
.ladder-num{
  position:absolute;left:0;top:0;
  width:36px;height:36px;border-radius:50%;
  background:#F4F2EE;color:var(--c-text-2);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;
  font-variant-numeric:tabular-nums;
  border:1px solid var(--c-line);
}
.ladder-item.is-current .ladder-num{
  background:var(--c-primary);color:#fff;border-color:var(--c-primary);
  box-shadow:0 0 0 1px var(--c-accent);
}
.ladder-item.is-done .ladder-num{background:var(--c-bg-dark);color:#fff;border-color:var(--c-bg-dark);}
.ladder-body h3{font-size:17px;font-weight:600;line-height:1.5;}
.ladder-body p{font-size:14.5px;color:var(--c-text-2);line-height:1.85;margin-top:6px;max-width:760px;}
.ladder-tag{margin-top:10px;display:inline-flex;}

/* ============ 进度条 ============ */
.progress-block{
  margin-top:6px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px 26px;
}
.progress-head{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
  font-size:13.5px;color:var(--c-text-2);margin-bottom:14px;
}
.progress-head strong{color:var(--c-text);font-size:15px;font-weight:600;}
.progress-track{
  height:8px;border-radius:999px;background:var(--c-line-soft);overflow:hidden;position:relative;
}
.progress-fill{
  height:100%;border-radius:999px;
  background:linear-gradient(90deg,var(--c-primary),var(--c-accent));
  width:64%;
  animation:breathe 2.4s ease-in-out infinite;
}
@keyframes breathe{
  0%,100%{box-shadow:0 0 0 0 rgba(242,101,34,.28);}
  50%{box-shadow:0 0 0 6px rgba(242,101,34,0);}
}
.progress-nodes{
  display:flex;justify-content:space-between;margin-top:14px;
  font-size:13px;color:var(--c-text-3);
}
.node{display:flex;align-items:center;gap:8px;}
.node i{
  width:12px;height:12px;border-radius:50%;
  background:var(--c-line-soft);display:block;
}
.node.done i{background:var(--c-primary);}
.node.current i{background:#fff;border:1px solid var(--c-accent);box-shadow:0 0 0 3px rgba(23,195,178,.14);}
.node.current{color:var(--c-text);font-weight:600;}

/* ============ 对比区 ============ */
.compare-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:22px;
}
.compare-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px 26px;
  transition:transform var(--ease),box-shadow var(--ease);
}
.compare-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.compare-card.is-dark{
  background:var(--c-bg-dark);border-color:#242830;color:#fff;
}
.compare-card.is-dark .compare-title,
.compare-card.is-dark .compare-item strong{color:#fff;}
.compare-card.is-dark .compare-item span{color:rgba(255,255,255,.7);}
.compare-card.is-dark .compare-item{border-color:rgba(255,255,255,.12);}
.compare-title{
  font-size:19px;font-weight:600;line-height:1.4;
  display:flex;align-items:center;gap:10px;
}
.compare-title i{
  width:26px;height:26px;border-radius:8px;display:block;
  background:rgba(242,101,34,.12);
}
.compare-card.is-dark .compare-title i{background:rgba(23,195,178,.2);}
.compare-desc{font-size:14px;color:var(--c-text-2);line-height:1.8;margin-top:10px;}
.compare-card.is-dark .compare-desc{color:rgba(255,255,255,.66);}
.compare-list{margin-top:18px;}
.compare-item{
  display:flex;gap:14px;align-items:flex-start;
  padding:13px 0;border-top:1px solid var(--c-line);
  font-size:14.5px;line-height:1.75;
}
.compare-item strong{
  flex:0 0 76px;font-weight:600;color:var(--c-text);font-size:14px;
}
.compare-item span{color:var(--c-text-2);}

/* ============ FAQ ============ */
.faq-wrap{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:8px 28px;box-shadow:var(--sh-1);
}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-item:last-child{border-bottom:none;}
.faq-item summary{
  list-style:none;cursor:pointer;
  min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:17px;font-weight:600;line-height:1.5;
  padding:16px 0 16px 0;
  position:relative;
  transition:color var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";position:absolute;left:-28px;top:12px;bottom:12px;
  width:3px;border-radius:3px;background:var(--c-primary);
  opacity:0;transition:opacity var(--ease);
}
.faq-item[open] summary::before{opacity:1;}
.faq-item summary:hover{color:var(--c-primary-d);}
.faq-icon{
  flex:0 0 24px;width:24px;height:24px;position:relative;
  transition:transform 180ms cubic-bezier(.2,.7,.3,1);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--c-text-3);border-radius:2px;
  transition:background var(--ease);
}
.faq-icon::before{left:4px;top:11px;width:16px;height:2px;}
.faq-icon::after{left:11px;top:4px;width:2px;height:16px;}
.faq-item[open] .faq-icon{transform:rotate(45deg);}
.faq-item[open] .faq-icon::before,.faq-item[open] .faq-icon::after{background:var(--c-primary);}
.faq-answer{
  font-size:15px;line-height:1.9;color:var(--c-text-2);
  padding:0 40px 18px 0;
}

/* ============ CTA ============ */
.cta-band{
  background:var(--c-bg-dark);
  border-radius:var(--r-kv);
  padding:44px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  margin-top:var(--sec-gap);
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;
  width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,101,34,.28),transparent 68%);
}
.cta-copy{position:relative;z-index:2;max-width:640px;}
.cta-copy h2{
  font-size:clamp(22px,2.6vw,30px);font-weight:600;color:#fff;
  line-height:1.4;letter-spacing:-.01em;
}
.cta-copy p{color:rgba(255,255,255,.72);font-size:15.5px;line-height:1.85;margin-top:12px;}
.cta-actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap;}

/* ============ 底部按钮组 ============ */
.bottom-actions{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:center;
  margin-top:34px;
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-bg-dark);
  color:rgba(255,255,255,.72);
  margin-top:var(--sec-gap);
  padding:56px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.15fr;
  gap:32px;
}
.footer-brand .brand-mark{margin-bottom:14px;}
.footer-brand .brand-dot{
  background:linear-gradient(135deg,var(--c-primary),#FF9A5E);
}
.footer-brand .brand-name{color:#fff;}
.footer-brand .brand-sub{color:rgba(255,255,255,.55);}
.footer-about{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:340px;}
.footer-col h3{
  font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;
  line-height:1.4;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-col a:hover{color:var(--c-accent);}
.footer-contact p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);margin-bottom:8px;}
.footer-bottom{
  margin-top:42px;padding-top:18px;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ============ 响应式 ============ */
@media (min-width:1440px){
  :root{--sidebar-w:240px;}
}
@media (max-width:1439px){
  :root{--sidebar-w:216px;}
  .sidebar{padding:22px 16px 18px;}
}
@media (max-width:1279px){
  :root{--sec-gap:72px;}
  .hero-inner{padding:48px 40px;gap:32px;}
}
@media (max-width:1023px){
  :root{--sidebar-w:0px;--sec-gap:56px;}
  .sidebar{display:none;}
  .mobile-header{display:flex;}
  .page-shell{padding-left:0;padding-top:56px;}
  .container{padding:0 20px;}
  .hero-inner{grid-template-columns:1fr;padding:40px 32px;gap:26px;}
  .hero{min-height:380px;margin-top:20px;}
  .hero-stats{grid-template-columns:repeat(3,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .compare-grid{grid-template-columns:1fr;}
  .rail-head{flex-direction:column;align-items:flex-start;}
}
@media (max-width:767px){
  :root{--sec-gap:44px;}
  body{font-size:16px;}
  .container{padding:0 16px;}
  .hero-inner{padding:32px 22px;}
  .hero{min-height:340px;border-radius:16px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .hero-stats{grid-template-columns:1fr 1fr;}
  .stat-card{padding:14px;}
  .reward-card{flex:0 0 250px;width:250px;}
  .ladder{padding:26px 20px 8px;}
  .ladder-item{padding-left:52px;}
  .ladder-num{width:32px;height:32px;font-size:13px;}
  .ladder-item::before{left:15px;top:30px;}
  .progress-nodes{flex-direction:column;gap:10px;}
  .faq-wrap{padding:6px 18px;}
  .faq-item summary{font-size:16px;}
  .faq-item summary::before{left:-18px;}
  .faq-answer{padding-right:0;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 24px;gap:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .compare-card{padding:22px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:519px){
  .hero h1{font-size:26px;}
  .rail-btn{display:none;}
  .rail{padding-bottom:10px;}
  .section-head h2{font-size:21px;}
  .stat-num{font-size:20px;}
  .compare-item{flex-direction:column;gap:4px;}
  .compare-item strong{flex:none;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
}

/* roulang page: category3 */
:root{
  --c-primary:#F26522;
  --c-primary-dark:#C9501A;
  --c-accent:#17C3B2;
  --c-warn:#7A5CFF;
  --c-bg:#F7F6F3;
  --c-bg-dark:#14161A;
  --c-card:#FFFFFF;
  --c-text:#1B1D21;
  --c-text-2:#5A5F66;
  --c-text-3:#8A9099;
  --c-line:#E6E3DD;
  --r-card:14px;
  --r-kv:20px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(20,22,26,.06),0 8px 24px rgba(20,22,26,.06);
  --sh-2:0 12px 32px rgba(20,22,26,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:200ms cubic-bezier(.2,.7,.3,1);
  --sidebar-w:240px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"PingFang SC","HarmonyOS Sans","MiSans","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.9;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--c-primary-dark);text-decoration:none;transition:color var(--t),border-color var(--t),background var(--t)}
a:hover{color:var(--c-primary)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,dl,dd,dt,figure{margin:0}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}
::selection{background:rgba(242,101,34,.18)}
.num{font-variant-numeric:tabular-nums}

/* ============ 品牌标识 ============ */
.brand-mark{display:flex;align-items:center;gap:10px;color:var(--c-text)}
.brand-mark:hover{color:var(--c-text)}
.brand-dot{
  width:36px;height:36px;flex:none;border-radius:11px;
  background:linear-gradient(135deg,#F26522,#FF9450);
  color:#fff;font-weight:700;font-size:17px;
  display:grid;place-items:center;line-height:1;
  box-shadow:0 6px 16px rgba(242,101,34,.28);
}
.brand-text{display:block;min-width:0}
.brand-name{display:block;font-size:16px;font-weight:700;line-height:1.25;letter-spacing:-.01em}
.brand-sub{display:block;font-size:12px;line-height:1.4;color:var(--c-text-3)}

/* ============ 左侧竖向导航 ============ */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:#fff;border-right:1px solid var(--c-line);
  z-index:60;display:flex;
}
.sidebar-inner{display:flex;flex-direction:column;width:100%;padding:20px 14px 18px}
.sidebar .brand-mark{padding:4px 10px 16px}
.nav-scroll{
  flex:1 1 auto;overflow-y:auto;
  margin-top:6px;padding:4px 0 12px;
  border-top:1px solid var(--c-line);
}
.nav-group-label{
  font-size:12px;font-weight:600;color:var(--c-text-3);
  margin:14px 12px 8px;letter-spacing:0;
}
.nav-item{
  position:relative;display:flex;align-items:center;gap:10px;
  min-height:44px;padding:0 12px;border-radius:10px;
  font-size:15px;color:var(--c-text-2);transition:background var(--t),color var(--t);
}
.nav-item svg{width:20px;height:20px;flex:none;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.nav-item:hover{background:#F5F0EA;color:var(--c-text)}
.nav-item.active{background:rgba(242,101,34,.09);color:var(--c-primary-dark);font-weight:600}
.nav-item.active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
  border-radius:0 3px 3px 0;background:var(--c-primary);
}
.sidebar-cta{padding-top:14px;border-top:1px solid var(--c-line)}
.sidebar-note{margin-top:10px;font-size:12px;color:var(--c-text-3);text-align:center;line-height:1.6}

/* ============ 移动端顶部导航 ============ */
.mobile-header{
  display:none;position:fixed;top:0;left:0;right:0;height:56px;z-index:70;
  align-items:center;justify-content:space-between;
  padding:0 16px;background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--c-line);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  transition:height var(--t),box-shadow var(--t);
}
.mobile-header.is-scrolled{height:52px;box-shadow:var(--sh-1)}
.mobile-header .brand-dot{width:32px;height:32px;font-size:15px;border-radius:10px}
.mobile-header .brand-name{font-size:15px}
.mobile-header .brand-sub{font-size:11px}
.hamburger{
  width:44px;height:44px;border-radius:10px;
  display:grid;place-items:center;border:1px solid var(--c-line);background:#fff;
  transition:border-color var(--t),background var(--t);
}
.hamburger:hover{border-color:var(--c-primary);background:#FFF6F1}
.hamburger span{display:block;width:18px;height:2px;background:var(--c-text);border-radius:2px;position:relative}
.hamburger span::before,.hamburger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-text);border-radius:2px;transition:transform var(--t),top var(--t),opacity var(--t);
}
.hamburger span::before{top:-6px}
.hamburger span::after{top:6px}
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,22,26,.55);
  opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);z-index:80;
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,84vw);
  background:#fff;z-index:90;padding:18px 16px 24px;
  transform:translateX(102%);transition:transform 260ms var(--ease);
  display:flex;flex-direction:column;overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--c-line)}
.drawer-close{
  width:44px;height:44px;border-radius:10px;border:1px solid var(--c-line);
  display:grid;place-items:center;font-size:20px;color:var(--c-text-2);line-height:1;
}
.drawer-close:hover{border-color:var(--c-primary);color:var(--c-primary)}
.drawer .nav-scroll{border-top:0;margin-top:10px;padding-top:0}
.drawer-cta{margin-top:16px;padding-top:16px;border-top:1px solid var(--c-line)}

/* ============ 页面框架 ============ */
.page{padding-left:var(--sidebar-w);padding-bottom:60px;min-height:100vh}
.container{max-width:1180px;margin:0 auto;padding:0 48px}
.section{padding-top:64px}
.section-head{max-width:760px;margin-bottom:26px}
.section-head h2{
  font-size:clamp(22px,2.6vw,30px);font-weight:600;line-height:1.35;
  letter-spacing:-.01em;margin-bottom:12px;position:relative;padding-left:14px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.32em;width:3px;height:18px;border-radius:2px;background:var(--c-primary);
}
.section-sub{font-size:15px;color:var(--c-text-2);line-height:1.9}

/* ============ 面包屑 ============ */
.crumb{padding-top:28px;font-size:13px;color:var(--c-text-3);display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.crumb a{color:var(--c-text-2)}
.crumb a:hover{color:var(--c-primary)}
.crumb span.sep{color:#C6C2BB}

/* ============ 首屏 ============ */
.page-head{padding-top:22px}
.head-grid{
  display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);
  gap:34px;align-items:center;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-kv);
  padding:34px 32px;box-shadow:var(--sh-1);
}
.tag{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:999px;background:rgba(23,195,178,.12);color:#0E8C80;
  font-size:12.5px;font-weight:600;letter-spacing:0;
}
.head-copy h1{
  font-size:clamp(28px,4vw,42px);font-weight:700;line-height:1.25;
  letter-spacing:-.01em;margin:16px 0 14px;
}
.lede{font-size:16.5px;color:var(--c-text-2);line-height:1.9;max-width:620px}
.head-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.head-visual{position:relative}
.head-visual img{
  width:100%;aspect-ratio:16/12;object-fit:cover;
  border-radius:var(--r-img);border:1px solid var(--c-line);
}
.head-visual figcaption{
  margin-top:10px;font-size:13px;color:var(--c-text-3);line-height:1.7;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);
  white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 6px 18px rgba(242,101,34,.24)}
.btn-primary:hover{background:#E4571A;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(1px);box-shadow:var(--sh-1)}
.btn-ghost{background:#fff;border-color:var(--c-line);color:var(--c-text)}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary-dark);transform:translateY(-1px);box-shadow:var(--sh-1)}
.btn-ghost:active{transform:translateY(1px);box-shadow:none}
.btn-block{width:100%}
.btn:disabled,.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

/* ============ 步骤列表 ============ */
.step-list{display:grid;gap:18px}
.step-item{
  display:grid;grid-template-columns:92px minmax(0,1fr);gap:20px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px 26px;box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.step-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#DCD6CE}
.step-num{
  font-size:36px;font-weight:800;line-height:1.05;color:var(--c-primary);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.step-body h3{font-size:19px;font-weight:600;line-height:1.5;margin-bottom:8px}
.step-body p{font-size:15px;color:var(--c-text-2);line-height:1.9}
.step-body p + p{margin-top:6px}
.step-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.chip{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  font-size:12.5px;background:#F1EEE9;color:var(--c-text-2);
}
.chip-accent{background:rgba(23,195,178,.13);color:#0E8C80}
.chip-primary{background:rgba(242,101,34,.12);color:var(--c-primary-dark)}

/* ============ 定义列表 ============ */
.define-grid{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:18px 24px;
}
.define-item{
  background:#fff;border:1px solid var(--c-line);border-left:3px solid var(--c-accent);
  border-radius:var(--r-card);padding:20px 22px;
  transition:transform var(--t),box-shadow var(--t);
}
.define-item:hover{transform:translateY(-3px);box-shadow:var(--sh-1)}
.define-item dt{font-size:16.5px;font-weight:600;margin-bottom:8px;line-height:1.5}
.define-item dd{font-size:14.5px;color:var(--c-text-2);line-height:1.9}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:32px;align-items:start}
.faq-list{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
}
.faq-item + .faq-item{border-top:1px solid var(--c-line)}
.faq-q{
  position:relative;width:100%;display:flex;align-items:center;justify-content:space-between;
  gap:16px;min-height:60px;padding:14px 20px;text-align:left;
  font-size:17px;font-weight:600;line-height:1.55;color:var(--c-text);
  transition:color var(--t),background var(--t);
}
.faq-q:hover{color:var(--c-primary-dark);background:#FDFAF7}
.faq-icon{position:relative;width:22px;height:22px;flex:none}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--c-primary);border-radius:2px;
  transition:transform 180ms var(--ease),opacity 180ms var(--ease);
}
.faq-icon::before{left:4px;right:4px;top:10px;height:2px}
.faq-icon::after{top:4px;bottom:4px;left:10px;width:2px}
.faq-item.open .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height 280ms var(--ease)}
.faq-a-inner{padding:0 20px 20px;font-size:15px;line-height:1.9;color:var(--c-text-2)}
.faq-item.open .faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  border-radius:0 3px 3px 0;background:var(--c-primary);
}

/* ============ 侧栏 CTA 卡片 ============ */
.cta-card{
  position:sticky;top:28px;
  background:var(--c-bg-dark);color:#fff;border-radius:var(--r-kv);
  padding:26px 22px;box-shadow:var(--sh-2);
}
.cta-card .cta-label{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  background:rgba(242,101,34,.2);color:#FFB183;font-size:12.5px;font-weight:600;
}
.cta-card h3{font-size:19px;font-weight:600;line-height:1.5;margin:14px 0 10px;color:#fff}
.cta-card p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.72)}
.cta-card .cta-list{margin:18px 0 20px;display:grid;gap:10px}
.cta-card .cta-list li{
  position:relative;padding-left:18px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.82);
}
.cta-card .cta-list li::before{
  content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;border-radius:2px;
  background:var(--c-accent);
}
.cta-card .btn-ghost{background:transparent;border-color:rgba(255,255,255,.28);color:#fff}
.cta-card .btn-ghost:hover{border-color:var(--c-accent);color:var(--c-accent);box-shadow:none}
.cta-note{margin-top:12px;font-size:12.5px;color:rgba(255,255,255,.5);line-height:1.7}

/* ============ 底部按钮组 ============ */
.end-actions{
  margin-top:56px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-kv);
  padding:30px 32px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:20px;box-shadow:var(--sh-1);
}
.end-actions h2{font-size:clamp(20px,2.3vw,26px);font-weight:600;line-height:1.4;margin-bottom:8px}
.end-actions p{font-size:14.5px;color:var(--c-text-2);line-height:1.85;max-width:560px}
.end-buttons{display:flex;flex-wrap:wrap;gap:12px}

/* ============ 页脚 ============ */
.site-footer{margin-top:72px;background:var(--c-bg-dark);color:rgba(255,255,255,.82);padding:56px 0 26px}
.site-footer .container{padding:0 48px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand .brand-mark{color:#fff}
.footer-brand .brand-name{color:#fff}
.footer-brand .brand-sub{color:rgba(255,255,255,.5)}
.footer-brand .brand-dot{background:linear-gradient(135deg,#F26522,#FF9450);box-shadow:none}
.footer-about{margin-top:16px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.68);max-width:360px}
.footer-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:14px;line-height:1.5}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.7)}
.footer-col a:hover{color:var(--c-accent)}
.footer-col p{font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.62)}
.footer-col p + p{margin-top:8px}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ============ 移动端底部通栏 CTA ============ */
.sticky-bottom-cta{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:65;
  background:rgba(255,255,255,.97);border-top:1px solid var(--c-line);
  padding:10px 16px;gap:10px;
  box-shadow:0 -8px 24px rgba(20,22,26,.08);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.sticky-bottom-cta .btn{flex:1 1 0}

/* ============ 响应式 ============ */
@media (min-width:1024px) and (max-width:1439px){
  :root{--sidebar-w:216px}
  .container{padding:0 40px}
}
@media (max-width:1279px){
  .faq-layout{grid-template-columns:minmax(0,1fr) 288px;gap:24px}
}
@media (max-width:1023px){
  .sidebar{display:none}
  .mobile-header{display:flex}
  .page{padding-left:0;padding-top:56px;padding-bottom:90px}
  .container{padding:0 24px}
  .site-footer .container{padding:0 24px}
  .head-grid{grid-template-columns:minmax(0,1fr);padding:28px 24px;gap:24px}
  .faq-layout{grid-template-columns:minmax(0,1fr)}
  .cta-card{position:static}
  .sticky-bottom-cta{display:flex}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 16px}
  .site-footer .container{padding:0 16px}
  .crumb{padding-top:20px}
  .page-head{padding-top:16px}
  .section{padding-top:44px}
  .step-item{grid-template-columns:minmax(0,1fr);gap:8px;padding:20px 18px}
  .step-num{font-size:30px}
  .define-grid{grid-template-columns:minmax(0,1fr);gap:14px}
  .end-actions{padding:24px 20px;flex-direction:column;align-items:flex-start}
  .end-buttons{width:100%}
  .end-buttons .btn{width:100%}
  .faq-q{font-size:16px;padding:14px 16px;min-height:56px}
  .faq-a-inner{padding:0 16px 18px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;gap:6px}
}
@media (max-width:520px){
  .head-copy h1{font-size:26px}
  .lede{font-size:15.5px}
  .head-actions .btn{width:100%}
  .cta-card{padding:22px 18px}
  .cta-card h3{font-size:18px}
}