/* roulang page: index */
/* ============ 设计变量 ============ */
:root{
  --c-brand:#FF6A2B;
  --c-brand-deep:#E24E12;
  --c-accent:#12C8B4;
  --c-pop:#FF3D8A;
  --c-ink:#1E1A24;
  --c-ink-2:#5B5462;
  --c-ink-3:#8B8593;
  --c-line:#F0E4DA;
  --c-bg:#FFF8F3;
  --c-surface:#FFFFFF;
  --c-surface-2:#FFF1E8;
  --c-dark:#1B1220;
  --g-brand:linear-gradient(120deg,#FF6A2B 0%,#FF3D8A 52%,#7A4DFF 100%);
  --g-brand-2:linear-gradient(132deg,#FF6A2B 0%,#FF3D8A 52%,#7A4DFF 100%);
  --g-soft:linear-gradient(135deg,#FFF1E8,#FFE9F2);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --r-pill:999px;
  --sh-1:0 2px 6px rgba(30,26,36,.05);
  --sh-2:0 14px 34px -16px rgba(226,78,18,.28);
  --sh-3:0 30px 70px -30px rgba(122,77,255,.30);
  --ease:cubic-bezier(.2,.7,.3,1);
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  background:var(--c-bg);
  color:var(--c-ink-2);
  font-size:16px;
  line-height:1.85;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;line-height:1.3}
h1{font-size:clamp(30px,4.2vw,52px);font-weight:800;line-height:1.22;letter-spacing:.5px}
h2{font-size:clamp(24px,2.6vw,34px);line-height:1.3}
h3{font-size:20px;font-weight:700}
h4{font-size:17px;font-weight:600}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--c-brand-deep)}
a:visited{color:#E4875C}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:none;
  box-shadow:0 0 0 3px rgba(255,106,43,.35);
  border-radius:var(--r-sm);
}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.grid-x.grid-padding-x{display:flex;flex-wrap:wrap}

/* ============ 顶部信息条 ============ */
.topbar{
  background:var(--c-dark);
  color:#EFE7F0;
  font-size:12.5px;
  letter-spacing:.4px;
  min-height:36px;
}
.topbar-inner{
  display:flex;
  align-items:center;
  gap:16px;
  min-height:36px;
}
.topbar-domain{
  border:1px solid rgba(255,255,255,.22);
  border-radius:var(--r-pill);
  padding:2px 12px;
  color:#D9CFDD;
  font-size:12px;
  white-space:nowrap;
}
.topbar-notice{
  flex:1;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  color:#CBBFD2;
  overflow:hidden;
  white-space:nowrap;
  text-overflow:ellipsis;
}
.notice-close{
  width:20px;height:20px;line-height:1;
  border-radius:50%;
  color:#CBBFD2;
  font-size:15px;
  display:inline-flex;align-items:center;justify-content:center;
  transition:background .18s ease,color .18s ease;
}
.notice-close:hover{background:rgba(255,255,255,.12);color:#fff}
.topbar-links{display:flex;align-items:center;gap:18px;white-space:nowrap}
.topbar-links a{
  color:#E7DDEC;
  position:relative;
  padding-bottom:2px;
}
.topbar-links a::after{
  content:"";
  position:absolute;left:0;right:100%;bottom:0;height:1px;
  background:var(--g-brand);
  transition:right .2s var(--ease);
}
.topbar-links a:hover{color:#fff}
.topbar-links a:hover::after{right:0}

/* ============ 主导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,248,243,.82);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:background .25s ease,box-shadow .25s ease,height .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{
  background:#FFFFFF;
  border-bottom-color:var(--c-line);
  box-shadow:0 8px 26px -18px rgba(30,26,36,.35);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:76px;
  transition:height .25s ease;
}
.site-header.is-scrolled .header-inner{height:64px}

.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;color:var(--c-ink)}
.brand:hover{color:var(--c-ink)}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  background-image:var(--g-brand);
  position:relative;
  flex:0 0 auto;
  box-shadow:var(--sh-2);
}
.brand-mark::after{
  content:"";
  position:absolute;inset:9px;
  border-radius:5px;
  background:
    linear-gradient(#fff,#fff) center/100% 3px no-repeat,
    linear-gradient(#fff,#fff) center/3px 100% no-repeat;
  opacity:.92;
}
.brand-text{display:flex;flex-direction:column;line-height:1.12}
.brand-main{font-size:19px;font-weight:800;letter-spacing:.5px;color:var(--c-ink)}
.brand-sub{font-size:11.8px;font-weight:500;letter-spacing:2.2px;color:var(--c-ink-3)}

.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 12px;
  font-size:15px;
  color:var(--c-ink-2);
  border-radius:var(--r-sm);
  transition:color .18s ease,background .18s ease;
}
.nav-link::after{
  content:"";
  position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  border-radius:2px;
  background:var(--g-brand);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .18s var(--ease);
}
.nav-link:hover{color:var(--c-brand);background:var(--c-surface-2)}
.nav-link:hover::after{transform:scaleX(.6)}
.nav-link.is-active{color:var(--c-brand);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}

.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.icon-btn{
  width:42px;height:42px;
  border-radius:50%;
  border:1.5px solid var(--c-line);
  background:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--c-ink-2);
  transition:border-color .18s ease,color .18s ease,background .18s ease;
}
.icon-btn:hover{border-color:var(--c-brand);color:var(--c-brand);background:var(--c-surface-2)}
.icon-btn svg{width:18px;height:18px}
.hamburger{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1.5px solid var(--c-line);
  background:#fff;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-ink)}
.hamburger:hover{border-color:var(--c-brand)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:52px;
  padding:0 28px;
  border-radius:var(--r-pill);
  font-size:16px;
  font-weight:600;
  letter-spacing:.3px;
  white-space:nowrap;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),background .24s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{
  background-image:var(--g-brand);
  color:#fff;
  box-shadow:var(--sh-2);
}
.btn-primary:visited{color:#fff}
.btn-primary:hover{
  background-image:var(--g-brand-2);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:var(--sh-3);
}
.btn-primary:active{transform:translateY(1px);background-image:none;background-color:var(--c-brand-deep)}
.btn-ghost{
  background:#fff;
  border:1.5px solid var(--c-line);
  color:var(--c-ink);
}
.btn-ghost:visited{color:var(--c-ink)}
.btn-ghost:hover{border-color:var(--c-brand);color:var(--c-brand);background:var(--c-surface-2)}
.btn-sm{height:44px;padding:0 20px;font-size:14.5px}
.text-link{
  color:var(--c-brand);
  font-weight:600;
  font-size:15px;
  border-bottom:1px solid rgba(255,106,43,.45);
  transition:border-color .18s ease,color .18s ease;
}
.text-link:hover{border-bottom:2px solid var(--c-brand);color:var(--c-brand-deep)}

/* ============ 移动抽屉 ============ */
.nav-drawer{
  position:fixed;
  top:0;right:0;
  width:min(86vw,360px);
  height:100%;
  background:#fff;
  z-index:90;
  transform:translateX(102%);
  transition:transform .3s var(--ease);
  display:flex;
  flex-direction:column;
  padding:20px;
  box-shadow:-20px 0 60px -30px rgba(30,26,36,.5);
}
.nav-drawer.is-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-title{font-size:13px;font-weight:600;color:var(--c-ink);letter-spacing:.4px}
.drawer-close{width:36px;height:36px;border-radius:50%;background:var(--c-surface-2);color:var(--c-ink);font-size:18px;line-height:1}
.drawer-links{display:flex;flex-direction:column;margin-top:8px;flex:1}
.drawer-links a{
  font-size:17px;
  line-height:56px;
  height:56px;
  color:var(--c-ink-2);
  border-bottom:1px solid var(--c-line);
}
.drawer-links a.is-active{color:var(--c-brand);font-weight:700}
.drawer-cta{width:100%;margin-top:16px}
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(27,18,32,.42);
  opacity:0;visibility:hidden;
  transition:opacity .28s ease,visibility .28s ease;
  z-index:80;
}
.drawer-mask.is-open{opacity:1;visibility:visible}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding:26px 0 8px;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;
  top:-220px;left:-140px;
  width:620px;height:620px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,43,.20) 0%,rgba(255,61,138,.10) 42%,rgba(255,248,243,0) 72%);
  pointer-events:none;
}
.hero-grid{position:relative;align-items:center;padding-bottom:44px}
.hero-copy{position:relative;z-index:2}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12.5px;
  letter-spacing:.6px;
  color:var(--c-ink-2);
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  padding:6px 14px;
  margin-bottom:20px;
}
.eyebrow::before{
  content:"";
  width:7px;height:7px;border-radius:50%;
  background-image:var(--g-brand);
}
.hero h1{margin-bottom:18px;max-width:15em}
.hero-sub{
  font-size:17px;
  line-height:1.8;
  color:var(--c-ink-2);
  max-width:32em;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:32px 0 30px}
.badge-row{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}
.stat-badge{
  position:relative;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  padding:13px 16px 12px;
  min-width:126px;
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.stat-badge::before{
  content:"";
  position:absolute;top:0;left:0;right:0;height:2px;
  background:var(--g-brand);
}
.stat-num{font-size:30px;font-weight:800;line-height:1.05;color:var(--c-ink)}
.stat-num em{font-style:normal;font-size:12px;font-weight:600;color:var(--c-ink-3);margin-left:4px}
.stat-label{font-size:12px;color:var(--c-ink-3);letter-spacing:.4px;margin-top:3px}

.hero-media-cell{position:relative;z-index:1}
.hero-media{
  position:relative;
  border-radius:var(--r-xl);
  overflow:hidden;
  aspect-ratio:16/11;
  background:var(--g-soft);
  box-shadow:var(--sh-3);
}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{
  content:"";
  position:absolute;inset:0;
  background-image:
    radial-gradient(circle at 22% 18%,rgba(255,106,43,.28) 0%,rgba(255,106,43,0) 46%),
    radial-gradient(circle at 82% 82%,rgba(122,77,255,.28) 0%,rgba(122,77,255,0) 48%),
    linear-gradient(rgba(255,255,255,.10) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.10) 1px,transparent 1px);
  background-size:auto,auto,22px 22px,22px 22px;
  pointer-events:none;
}
.hero-float-card{
  position:absolute;
  right:-14px;
  bottom:-18px;
  width:min(76%,260px);
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:16px 18px;
  box-shadow:var(--sh-3);
  z-index:3;
}
.hero-float-card .fnum{font-size:34px;font-weight:800;line-height:1.05;color:var(--c-ink)}
.hero-float-card .fnum span{font-size:13px;font-weight:600;color:var(--c-ink-3);margin-left:5px}
.hero-float-card .fdesc{font-size:12.5px;color:var(--c-ink-3);letter-spacing:.3px;margin-top:4px}

/* ============ 通用板块 ============ */
.section{padding:92px 0}
.section-alt{background:var(--c-surface-2)}
.section-head{max-width:720px;margin-bottom:34px}
.section-head h2{margin-bottom:14px}
.section-head p{font-size:16px;color:var(--c-ink-2)}
.section-tag{
  display:inline-block;
  font-size:12px;
  letter-spacing:.5px;
  color:var(--c-brand);
  background:var(--c-surface-2);
  border-radius:var(--r-pill);
  padding:4px 12px;
  margin-bottom:14px;
}

/* ============ 三步上手 ============ */
.steps{margin-top:18px}
.step-card{
  position:relative;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:28px 26px 30px;
  height:100%;
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.step-card::before{
  content:"";
  position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--g-brand);
  mask-image:linear-gradient(90deg,#000 0%,rgba(0,0,0,.15) 100%);
  -webkit-mask-image:linear-gradient(90deg,#000 0%,rgba(0,0,0,.15) 100%);
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.step-lift{margin-top:-24px}
.step-num{
  font-size:46px;
  font-weight:800;
  line-height:1;
  letter-spacing:1px;
  background-image:var(--g-brand);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  display:inline-block;
  margin-bottom:14px;
}
.step-card h3{font-size:18px;margin-bottom:10px}
.step-card p{font-size:14.5px;line-height:1.8;color:var(--c-ink-2)}

/* ============ 案例证明 ============ */
.case-big{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-1);
  height:100%;
  display:flex;
  flex-direction:column;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.case-big:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.case-big-media{aspect-ratio:16/9;background:var(--g-soft);overflow:hidden}
.case-big-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.case-big:hover .case-big-media img{transform:scale(1.04)}
.case-big-body{padding:24px 26px 26px;display:flex;flex-direction:column;gap:12px;flex:1}
.case-big-body h3{font-size:20px}
.case-big-body p{font-size:14.5px;line-height:1.8}
.case-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:8px}
.case-mini{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:22px 22px;
  box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.case-mini:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.case-mini h3{font-size:16.5px;margin:12px 0 12px;line-height:1.5}
.mini-stat{
  display:flex;align-items:baseline;gap:6px;
  border-top:1px dashed var(--c-line);
  padding-top:12px;
}
.mini-stat b{font-size:24px;font-weight:800;color:var(--c-ink);line-height:1}
.mini-stat span{font-size:12px;color:var(--c-ink-3)}

.tag{
  display:inline-flex;
  align-items:center;
  height:22px;
  padding:0 10px;
  border-radius:var(--r-pill);
  background:var(--c-surface-2);
  color:var(--c-brand-deep);
  font-size:12px;
  letter-spacing:.4px;
  white-space:nowrap;
}
.tag-pop{background:rgba(255,61,138,.10);color:#D62A72}
.tag-accent{background:rgba(18,200,180,.12);color:#0E9C8C}

/* ============ 最新信息列表 ============ */
.news-list{display:flex;flex-direction:column;gap:16px}
.news-card{
  display:flex;
  gap:18px;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  padding:14px;
  box-shadow:var(--sh-1);
  min-height:148px;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s ease;
  color:inherit;
}
.news-card:visited{color:inherit}
.news-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--sh-2);
  border-color:#F7D9C6;
  color:inherit;
}
.news-thumb{
  flex:0 0 32%;
  max-width:230px;
  aspect-ratio:16/10;
  border-radius:var(--r-sm);
  overflow:hidden;
  background:var(--g-soft);
  align-self:center;
}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-body{flex:1;display:flex;flex-direction:column;gap:8px;min-width:0;padding:4px 4px 4px 0}
.news-body h3{
  font-size:17px;
  line-height:1.5;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color .18s ease;
}
.news-card:hover .news-body h3{color:var(--c-brand)}
.news-excerpt{
  font-size:14px;
  line-height:1.7;
  color:var(--c-ink-2);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-meta{
  margin-top:auto;
  display:flex;
  align-items:center;
  gap:10px;
  font-size:12.5px;
  color:var(--c-ink-3);
  letter-spacing:.4px;
}
.news-meta .dot{width:4px;height:4px;border-radius:50%;background-image:var(--g-brand);flex:0 0 auto}
.news-more{margin-left:auto;color:var(--c-brand);font-weight:600}

.sidebar-stack{display:flex;flex-direction:column;gap:18px}
.side-card{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  padding:22px 22px 20px;
  box-shadow:var(--sh-1);
}
.side-card h3{font-size:16px;margin-bottom:14px}
.cat-links{display:flex;flex-direction:column;gap:2px}
.cat-links a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:10px 12px;
  border-radius:var(--r-sm);
  font-size:14.5px;
  color:var(--c-ink-2);
  transition:background .18s ease,color .18s ease,transform .18s ease;
}
.cat-links a::after{content:"›";color:var(--c-ink-3);font-size:16px}
.cat-links a:hover{background:var(--c-surface-2);color:var(--c-brand);transform:translateX(2px)}
.pick-list{display:flex;flex-direction:column;gap:14px}
.pick-item{
  border:1px solid var(--c-line);
  border-radius:var(--r-sm);
  padding:12px 14px;
  transition:border-color .18s ease,background .18s ease;
}
.pick-item:hover{border-color:#F7D9C6;background:var(--c-surface-2)}
.pick-item strong{
  display:block;
  font-size:14px;
  font-weight:600;
  color:var(--c-ink);
  line-height:1.55;
  margin-bottom:6px;
}
.pick-item:hover strong{color:var(--c-brand)}
.pick-item span{font-size:12px;color:var(--c-ink-3);letter-spacing:.4px}

.empty-state{
  width:100%;
  min-height:260px;
  border:1.5px dashed #EBD8C9;
  border-radius:var(--r-md);
  background:#FFFDFB;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:14px;
  text-align:center;
  padding:30px;
}
.empty-icon{
  width:52px;height:52px;border-radius:50%;
  background:var(--c-surface-2);
  display:flex;align-items:center;justify-content:center;
  color:var(--c-brand);
  font-size:22px;font-weight:700;
}
.empty-state p{font-size:14.5px;color:var(--c-ink-3)}

/* ============ FAQ ============ */
.faq-side h2{margin-bottom:14px}
.faq-side p{font-size:15px;color:var(--c-ink-2);max-width:22em}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  overflow:hidden;
  transition:box-shadow .22s ease,border-color .22s ease;
}
.faq-item:hover{box-shadow:var(--sh-1)}
.faq-item.is-open{box-shadow:var(--sh-2);border-color:#F7D9C6}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 20px;
  text-align:left;
  font-size:16.5px;
  font-weight:600;
  color:var(--c-ink);
  position:relative;
  transition:color .18s ease;
}
.faq-q:focus-visible{box-shadow:inset 0 0 0 3px rgba(255,106,43,.35);border-radius:0}
.faq-item.is-open .faq-q{color:var(--c-brand)}
.faq-item.is-open .faq-q::before{
  content:"";
  position:absolute;left:0;top:12px;bottom:12px;width:3px;
  border-radius:0 3px 3px 0;
  background:var(--g-brand);
}
.faq-mark{
  flex:0 0 auto;
  width:26px;height:26px;
  border-radius:50%;
  background:var(--c-surface-2);
  color:var(--c-brand);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;
  line-height:1;
  transition:transform .22s var(--ease),background .22s ease,color .22s ease;
}
.faq-item.is-open .faq-mark{transform:rotate(45deg);background-image:var(--g-brand);color:#fff}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .22s ease;
}
.faq-a-inner{
  padding:0 20px 20px 20px;
  font-size:15px;
  line-height:1.9;
  color:var(--c-ink-2);
}

/* ============ CTA ============ */
.cta-band{
  position:relative;
  margin:0 20px 96px;
  border-radius:var(--r-xl);
  background:var(--c-dark);
  color:#EDE4F0;
  overflow:hidden;
  padding:60px 56px;
  min-height:300px;
  display:flex;
  align-items:center;
}
.cta-band::before,
.cta-band::after{
  content:"";
  position:absolute;
  border-radius:50%;
  filter:blur(70px);
  pointer-events:none;
}
.cta-band::before{
  width:320px;height:320px;
  left:-90px;top:-110px;
  background:radial-gradient(circle,rgba(255,106,43,.55),rgba(255,106,43,0) 70%);
}
.cta-band::after{
  width:360px;height:360px;
  right:-120px;bottom:-150px;
  background:radial-gradient(circle,rgba(122,77,255,.55),rgba(122,77,255,0) 70%);
}
.cta-inner{position:relative;z-index:2;max-width:720px}
.cta-inner h2{color:#fff;margin-bottom:16px}
.cta-inner p{font-size:16px;color:#C9BFD1;margin-bottom:30px;max-width:36em}
.cta-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-dark);
  color:#C8BFD1;
  padding-top:0;
  border-top:1px solid transparent;
  position:relative;
}
.site-footer::before{
  content:"";
  position:absolute;top:0;left:0;right:0;height:1px;
  background:var(--g-brand);
  opacity:.85;
}
.footer-grid{padding:64px 0 44px}
.footer-logo{display:flex;flex-direction:column;line-height:1.15;margin-bottom:16px}
.footer-logo-main{font-size:20px;font-weight:800;color:#fff;letter-spacing:.5px}
.footer-logo-sub{font-size:12px;font-weight:500;letter-spacing:2.2px;color:#9A8FA6;margin-top:3px}
.footer-brand p{font-size:14px;line-height:1.85;color:#A99EB4;max-width:30em}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{color:#A99EB4;font-size:14px;transition:color .18s ease,padding-left .18s ease}
.footer-col a:hover{color:#fff;padding-left:3px}
.footer-col li span{font-size:14px;color:#A99EB4}
.footer-bottom{border-top:1px solid rgba(255,255,255,.10);padding:20px 0}
.footer-bottom-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:12.5px;
  color:#8E8399;
  letter-spacing:.3px;
}

/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;
  right:22px;bottom:26px;
  width:44px;height:44px;
  border-radius:50%;
  background-image:var(--g-brand);
  color:#fff;
  font-size:18px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-2);
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .3s ease,transform .3s ease,visibility .3s ease;
  z-index:70;
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{transform:translateY(-3px)}

/* ============ 入场动效 ============ */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s var(--ease)}
.reveal.is-visible{opacity:1;transform:translateY(0)}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .section{padding:64px 0}
  .cta-band{margin:0 16px 64px;padding:44px 32px;min-height:auto}
  .nav-links{display:none}
  .hamburger{display:flex}
  .nav-actions .btn-sm{display:none}
  .header-inner{height:68px}
}
@media (max-width:899px){
  .topbar-notice{display:none}
  .topbar-inner{justify-content:space-between}
  .hero-media-cell{margin-top:32px}
  .hero-float-card{right:10px;bottom:-14px}
  .step-lift{margin-top:0}
  .hero{padding-top:14px}
  .hero-grid{padding-bottom:36px}
}
@media (max-width:767px){
  .section{padding:52px 0}
  .news-card{flex-direction:column;min-height:0}
  .news-thumb{flex:0 0 auto;max-width:none;width:100%;aspect-ratio:16/9}
  .news-body{padding:0}
  .badge-row{overflow-x:auto;flex-wrap:nowrap;padding-bottom:6px;-webkit-overflow-scrolling:touch}
  .stat-badge{flex:0 0 auto}
  .cta-band{padding:36px 22px;margin:0 12px 52px}
  .footer-grid{padding:48px 0 32px}
}
@media (max-width:639px){
  .container{padding:0 16px}
  .hero h1{font-size:clamp(27px,7.4vw,34px)}
  .hero-actions .btn{width:100%}
  .brand-sub{font-size:11px;letter-spacing:1.4px}
  .brand-main{font-size:17px}
  .brand-mark{width:34px;height:34px}
  .btn{height:48px;font-size:15px}
  .footer-bottom-inner{flex-direction:column;align-items:flex-start;gap:8px}
  .to-top{right:14px;bottom:18px}
}

/* roulang page: article */
:root{
  --c-brand:#FF6A2B;
  --c-brand-deep:#E24E12;
  --c-accent:#12C8B4;
  --c-pop:#FF3D8A;
  --c-ink:#1E1A24;
  --c-ink-2:#5B5462;
  --c-ink-3:#8B8593;
  --c-line:#F0E4DA;
  --c-bg:#FFF8F3;
  --c-surface:#FFFFFF;
  --c-surface-2:#FFF1E8;
  --c-dark:#1B1220;
  --g-brand:linear-gradient(120deg,#FF6A2B 0%,#FF3D8A 52%,#7A4DFF 100%);
  --g-soft:linear-gradient(135deg,#FFF1E8,#FFE9F2);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --r-pill:999px;
  --sh-1:0 2px 6px rgba(30,26,36,.05);
  --sh-2:0 14px 34px -16px rgba(226,78,18,.28);
  --sh-3:0 30px 70px -30px rgba(122,77,255,.30);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;line-height:1.85;color:var(--c-ink-2);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-brand);text-decoration:none;transition:color .2s ease}
a:visited{color:var(--c-brand-deep)}
a:focus-visible{outline:3px solid rgba(255,106,43,.35);outline-offset:2px;border-radius:4px}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700}
p{margin:0}
button{font-family:inherit}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.tnum{font-variant-numeric:tabular-nums}

/* ============ 顶部信息条 ============ */
.topbar{background:var(--c-dark);color:rgba(255,255,255,.8);font-size:12.5px;letter-spacing:.4px}
.topbar-inner{display:flex;align-items:center;gap:24px;height:36px}
.topbar-domain{
  display:inline-flex;align-items:center;height:22px;padding:0 12px;
  border:1px solid rgba(255,255,255,.18);border-radius:var(--r-pill);
  color:rgba(255,255,255,.7);white-space:nowrap;
}
.topbar-notice{display:flex;align-items:center;justify-content:center;gap:12px;flex:1;min-width:0}
.topbar-notice span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.topbar-close{background:transparent;border:0;color:rgba(255,255,255,.6);cursor:pointer;font-size:15px;line-height:1;padding:4px 6px;border-radius:6px;transition:.2s}
.topbar-close:hover{color:#fff;background:rgba(255,255,255,.12)}
.topbar-actions{display:flex;align-items:center;gap:18px;white-space:nowrap}
.topbar-actions a{position:relative;color:rgba(255,255,255,.88);font-size:12.5px}
.topbar-actions a::after{content:"";position:absolute;left:0;bottom:-3px;height:1px;width:0;background-image:var(--g-brand);transition:width .22s ease}
.topbar-actions a:hover{color:#fff}
.topbar-actions a:hover::after{width:100%}

/* ============ 主导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(240,228,218,.7);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{background:#fff;box-shadow:var(--sh-2)}
.header-inner{display:flex;align-items:center;gap:28px;height:76px;transition:height .25s ease}
.site-header.is-scrolled .header-inner{height:64px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background-image:var(--g-brand);
  color:#fff;font-weight:800;font-size:15px;letter-spacing:.5px;
  display:flex;align-items:center;justify-content:center;box-shadow:var(--sh-2);flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.08}
.brand-main{font-size:17px;font-weight:800;color:var(--c-ink);letter-spacing:.4px}
.brand-sub{font-size:10.5px;font-weight:500;letter-spacing:2.4px;color:var(--c-ink-3)}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:auto}
.nav-link{position:relative;display:inline-block;padding:8px 0;font-size:15px;font-weight:500;color:var(--c-ink-2);white-space:nowrap}
.nav-link::after{content:"";position:absolute;left:0;bottom:2px;height:2px;width:0;border-radius:2px;background-image:var(--g-brand);transition:width .18s ease}
.nav-link:hover{color:var(--c-brand)}
.nav-link:hover::after{width:60%}
.nav-link.is-active{color:var(--c-brand)}
.nav-link.is-active::after{width:100%}
.header-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.icon-btn{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--c-line);background:#fff;
  color:var(--c-ink-2);cursor:pointer;display:flex;align-items:center;justify-content:center;
  font-size:15px;transition:.2s ease;
}
.icon-btn:hover{border-color:var(--c-brand);color:var(--c-brand);background:var(--c-surface-2)}
.hamburger{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);
  background:#fff;color:var(--c-ink);cursor:pointer;align-items:center;justify-content:center;font-size:17px;
}
.hamburger:hover{border-color:var(--c-brand);color:var(--c-brand)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 28px;border:0;border-radius:var(--r-pill);
  font-size:16px;font-weight:600;line-height:1;cursor:pointer;text-decoration:none;
  transition:transform .24s cubic-bezier(.2,.7,.3,1),box-shadow .24s ease,background-color .24s ease,color .24s ease,border-color .24s ease,background-position .35s ease;
}
.btn-sm{height:42px;padding:0 20px;font-size:14.5px}
.btn-primary{background-image:var(--g-brand);background-size:160% 160%;background-position:0 0;color:#fff;box-shadow:var(--sh-2)}
.btn-primary:hover{background-position:100% 0;transform:translateY(-2px);box-shadow:var(--sh-3);color:#fff}
.btn-primary:active{transform:translateY(1px);background-image:linear-gradient(120deg,var(--c-brand-deep),var(--c-brand-deep));color:#fff}
.btn-ghost{background:#fff;border:1.5px solid var(--c-line);color:var(--c-ink)}
.btn-ghost:hover{border-color:var(--c-brand);color:var(--c-brand);background:var(--c-surface-2)}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(255,106,43,.35)}

/* ============ 移动端抽屉 ============ */
.drawer-mask{position:fixed;inset:0;background:rgba(27,18,32,.45);opacity:0;visibility:hidden;transition:.25s ease;z-index:70}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,360px);background:#fff;z-index:80;
  transform:translateX(102%);transition:transform .28s cubic-bezier(.3,.7,.3,1);
  display:flex;flex-direction:column;padding:20px 22px 26px;box-shadow:var(--sh-3);
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.drawer-head span{font-size:13px;letter-spacing:.4px;color:var(--c-ink-3)}
.drawer-close{width:38px;height:38px;border-radius:50%;border:1px solid var(--c-line);background:#fff;color:var(--c-ink-2);cursor:pointer;font-size:15px}
.drawer-close:hover{border-color:var(--c-brand);color:var(--c-brand)}
.drawer-link{display:flex;align-items:center;height:56px;font-size:17px;color:var(--c-ink);border-bottom:1px solid var(--c-line)}
.drawer-link:hover,.drawer-link.is-active{color:var(--c-brand)}
.drawer-cta{margin-top:auto;padding-top:20px}
.drawer-cta .btn{width:100%}

/* ============ 文章头部 ============ */
.article-hero{padding:36px 0 0;background:linear-gradient(180deg,#FFF1E8 0%,rgba(255,248,243,0) 100%)}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-3);margin-bottom:18px}
.breadcrumb a{color:var(--c-ink-2)}
.breadcrumb a:hover{color:var(--c-brand)}
.crumb-sep{color:#DCD0C6}
.crumb-current{color:var(--c-ink-3);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-title{font-size:clamp(26px,3.2vw,40px);font-weight:800;line-height:1.28;letter-spacing:.3px;max-width:920px;margin-bottom:18px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13px;color:var(--c-ink-3);letter-spacing:.4px}
.meta-pill{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--c-surface-2);border:1px solid var(--c-line);color:var(--c-brand-deep);
  font-size:12px;font-weight:600;letter-spacing:.4px;
}
.meta-sep{width:1px;height:12px;background:var(--c-line)}
.article-cover{
  margin:26px 0 0;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--c-line);
  background:var(--c-surface-2);aspect-ratio:21/9;box-shadow:var(--sh-1);
}
.article-cover img{width:100%;height:100%;object-fit:cover}

/* ============ 正文与侧栏 ============ */
.article-main{padding:56px 0 8px}
.article-body{font-size:17px;line-height:1.95;color:var(--c-ink-2);max-width:840px}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  position:relative;font-size:clamp(21px,2.2vw,26px);font-weight:700;line-height:1.4;
  margin:40px 0 16px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.3em;bottom:.3em;width:4px;border-radius:3px;background-image:var(--g-brand);
}
.article-body h3{font-size:20px;font-weight:700;margin:32px 0 12px}
.article-body h4{font-size:17px;font-weight:600;margin:24px 0 10px}
.article-body blockquote{
  position:relative;margin:24px 0;padding:20px 22px;background:var(--c-surface-2);
  border-radius:var(--r-sm);color:var(--c-ink-2);
}
.article-body blockquote::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;background-image:var(--g-brand);
}
.article-body ul,.article-body ol{list-style:none;margin:0 0 1.2em;padding:0}
.article-body ul li,.article-body ol li{position:relative;padding-left:26px;margin-bottom:10px}
.article-body ul li::before{
  content:"";position:absolute;left:6px;top:.74em;width:8px;height:8px;border-radius:50%;background-image:var(--g-brand);
}
.article-body ol{counter-reset:itemlist}
.article-body ol li{counter-increment:itemlist}
.article-body ol li::before{
  content:counter(itemlist);position:absolute;left:0;top:.24em;width:20px;height:20px;border-radius:6px;
  background:var(--c-surface-2);color:var(--c-brand-deep);font-size:12px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.article-body a{color:var(--c-brand);border-bottom:1px solid rgba(255,106,43,.5)}
.article-body a:hover{color:var(--c-brand-deep);border-bottom-width:2px}
.article-body img{border-radius:var(--r-md);margin:20px auto;box-shadow:var(--sh-1)}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;background:#fff;
  border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;
}
.article-body thead th{background:var(--c-surface-2);text-align:left;color:var(--c-ink);font-weight:700}
.article-body th,.article-body td{padding:14px 16px;border-bottom:1px solid var(--c-line)}
.article-body pre{
  background:var(--c-dark);color:#F5EFF7;border-radius:var(--r-md);padding:18px;
  font-size:14px;line-height:1.75;overflow-x:auto;
}
.article-body code{font-size:14px}
.empty-state{
  border:1.5px dashed var(--c-line);border-radius:var(--r-lg);background:#fff;
  padding:56px 24px;text-align:center;max-width:840px;
}
.empty-icon{
  width:56px;height:56px;border-radius:50%;background:var(--c-surface-2);color:var(--c-brand);
  font-size:22px;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;
}
.empty-state p{margin:0 0 20px;color:var(--c-ink-3);font-size:15px}

.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;max-width:840px;margin-top:48px}
.post-nav-card{
  display:block;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:20px;box-shadow:var(--sh-1);
  transition:transform .24s cubic-bezier(.2,.7,.3,1),box-shadow .24s ease,border-color .24s ease;
}
.post-nav-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,106,43,.35)}
.post-nav-dir{display:block;font-size:12px;letter-spacing:.6px;color:var(--c-ink-3);margin-bottom:8px}
.post-nav-title{display:block;font-size:15.5px;font-weight:600;color:var(--c-ink);line-height:1.6}
.post-nav-card:hover .post-nav-title{color:var(--c-brand)}

.article-side{margin-top:0}
.side-sticky{position:sticky;top:96px}
.side-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:20px;margin-bottom:18px;box-shadow:var(--sh-1);
}
.side-card h3{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:700;margin:0 0 14px}
.side-card h3::before{content:"";width:14px;height:3px;border-radius:2px;background-image:var(--g-brand)}
.toc-list{list-style:none;margin:0;padding:0}
.toc-list li{margin-bottom:2px}
.toc-list a{display:block;font-size:14px;color:var(--c-ink-2);padding:8px 10px;border-radius:8px;transition:.2s ease}
.toc-list a:hover{background:var(--c-surface-2);color:var(--c-brand)}
.cat-links{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.cat-links a{
  display:flex;align-items:center;justify-content:space-between;font-size:14px;color:var(--c-ink-2);
  padding:10px 12px;border:1px solid var(--c-line);border-radius:10px;transition:.2s ease;
}
.cat-links a:hover{border-color:var(--c-brand);color:var(--c-brand);background:var(--c-surface-2);transform:translateX(2px)}
.cat-links i{font-size:11px;color:var(--c-ink-3)}
.side-posts{list-style:none;margin:0;padding:0}
.side-posts li{padding:12px 0;border-top:1px solid var(--c-line)}
.side-posts li:first-child{border-top:0;padding-top:0}
.side-posts a{display:block;font-size:14px;color:var(--c-ink);line-height:1.6}
.side-posts a:hover{color:var(--c-brand)}
.side-posts time{display:block;font-size:12px;color:var(--c-ink-3);margin-top:4px;letter-spacing:.4px}

/* ============ 相关推荐 ============ */
.related{padding:64px 0 0}
.sec-head{margin-bottom:32px}
.sec-title{font-size:clamp(22px,2.4vw,30px);font-weight:700;line-height:1.35;margin-bottom:10px}
.sec-sub{font-size:15px;color:var(--c-ink-3)}
.card-grid{display:grid;gap:20px;grid-template-columns:repeat(3,1fr)}
.rec-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);text-decoration:none;
  transition:transform .24s cubic-bezier(.2,.7,.3,1),box-shadow .24s ease;
}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.rec-thumb{aspect-ratio:16/10;background:var(--c-surface-2);overflow:hidden}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s cubic-bezier(.2,.7,.3,1)}
.rec-card:hover .rec-thumb img{transform:scale(1.04)}
.rec-body{display:flex;flex-direction:column;gap:10px;padding:18px;flex:1}
.tag{
  display:inline-flex;align-items:center;align-self:flex-start;height:22px;padding:0 10px;
  border-radius:var(--r-pill);background:var(--c-surface-2);color:var(--c-brand-deep);
  font-size:12px;font-weight:600;letter-spacing:.4px;
}
.rec-title{font-size:16px;font-weight:600;color:var(--c-ink);line-height:1.6}
.rec-time{display:flex;align-items:center;gap:6px;margin-top:auto;font-size:12px;color:var(--c-ink-3);letter-spacing:.4px}
.rec-time::before{content:"";width:4px;height:4px;border-radius:50%;background-image:var(--g-brand)}

/* ============ 底部行动区 ============ */
.cta-wrap{padding:72px 20px 88px}
.cta-block{
  position:relative;overflow:hidden;background:var(--c-dark);border-radius:var(--r-xl);
  padding:64px 56px;min-height:300px;display:flex;align-items:center;
}
.cta-block::before{
  content:"";position:absolute;left:-80px;top:-90px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,43,.55),rgba(255,106,43,0) 68%);filter:blur(30px);
}
.cta-block::after{
  content:"";position:absolute;right:-70px;bottom:-120px;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle,rgba(122,77,255,.5),rgba(122,77,255,0) 70%);filter:blur(36px);
}
.cta-content{position:relative;z-index:2;max-width:640px}
.cta-title{font-size:clamp(24px,2.6vw,34px);font-weight:700;color:#fff;line-height:1.35;margin-bottom:14px}
.cta-text{font-size:16px;line-height:1.85;color:rgba(255,255,255,.72);margin-bottom:28px}
.cta-actions{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.cta-link{color:rgba(255,255,255,.86);font-size:15px;border-bottom:1px solid rgba(255,255,255,.4);padding-bottom:3px}
.cta-link:hover{color:#fff;border-bottom-color:#fff}

/* ============ 页脚 ============ */
.site-footer{position:relative;background:var(--c-dark);color:rgba(255,255,255,.72);padding-top:64px}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background-image:var(--g-brand)}
.footer-grid{padding-bottom:44px}
.footer-logo{display:flex;flex-direction:column;margin-bottom:14px}
.footer-logo-main{font-size:20px;font-weight:800;color:#fff;letter-spacing:.4px}
.footer-logo-sub{font-size:12px;font-weight:500;letter-spacing:3px;color:rgba(255,255,255,.55)}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);margin:0}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin-bottom:10px}
.footer-col a,.footer-col span{font-size:14px;color:rgba(255,255,255,.66)}
.footer-col a:hover{color:var(--c-brand)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0}
.footer-bottom-inner{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.footer-bottom p{margin:0;font-size:13px;color:rgba(255,255,255,.5)}

/* ============ 返回顶部 ============ */
.back-top{
  position:fixed;right:24px;bottom:28px;width:44px;height:44px;border-radius:50%;border:0;
  background-image:var(--g-brand);color:#fff;font-size:15px;cursor:pointer;z-index:90;
  display:flex;align-items:center;justify-content:center;box-shadow:var(--sh-3);
  opacity:0;visibility:hidden;transform:translateY(12px);transition:.3s ease;
}
.back-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container{padding:0 20px}
}
@media (max-width:1023px){
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .article-side{margin-top:36px}
  .side-sticky{position:static}
  .cta-block{padding:52px 36px}
}
@media (max-width:899px){
  .nav-links{display:none}
  .hamburger{display:flex}
  .topbar-notice{display:none}
  .header-inner{gap:16px;height:68px}
  .site-header.is-scrolled .header-inner{height:60px}
  .brand-mark{width:34px;height:34px;font-size:13px;border-radius:10px}
  .brand-main{font-size:15px}
  .brand-sub{font-size:9.5px;letter-spacing:1.6px}
  .article-hero{padding-top:26px}
  .article-main{padding:40px 0 0}
  .related{padding:52px 0 0}
  .cta-wrap{padding:56px 16px 68px}
  .cta-block{padding:44px 28px;min-height:0}
}
@media (max-width:639px){
  .container{padding:0 16px}
  .card-grid{grid-template-columns:1fr}
  .post-nav{grid-template-columns:1fr}
  .article-cover{aspect-ratio:16/9;border-radius:var(--r-md)}
  .article-body{font-size:16px;line-height:1.9}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap}
  .footer-bottom-inner{flex-direction:column;align-items:flex-start}
  .back-top{right:16px;bottom:18px}
  .cta-actions .btn{width:100%}
  .cta-link{width:100%}
}
@media (max-width:400px){
  .article-meta{gap:10px}
  .crumb-current{max-width:180px}
}

/* roulang page: category1 */
:root{
  --c-brand:#FF6A2B;
  --c-brand-deep:#E24E12;
  --c-accent:#12C8B4;
  --c-pop:#FF3D8A;
  --g-brand:linear-gradient(120deg,#FF6A2B 0%,#FF3D8A 52%,#7A4DFF 100%);
  --g-soft:linear-gradient(135deg,#FFF1E8,#FFE9F2);
  --c-ink:#1E1A24;
  --c-ink-2:#5B5462;
  --c-ink-3:#8B8593;
  --c-line:#F0E4DA;
  --c-bg:#FFF8F3;
  --c-surface:#FFFFFF;
  --c-surface-2:#FFF1E8;
  --c-dark:#1B1220;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --r-pill:999px;
  --sh-1:0 2px 6px rgba(30,26,36,.05);
  --sh-2:0 14px 34px -16px rgba(226,78,18,.28);
  --sh-3:0 30px 70px -30px rgba(122,77,255,.30);
}

*,*::before,*::after{box-sizing:border-box;}

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}

body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink-2);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;display:block;border:0;}
a{color:var(--c-brand);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--c-brand-deep);}
button{font-family:inherit;cursor:pointer;}
ul,ol{margin:0;padding:0;}

h1,h2,h3,h4{color:var(--c-ink);margin:0;font-weight:700;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1600px){
  .container{max-width:1440px;}
}

/* ---------- 顶部信息条 ---------- */
.topbar{
  background:var(--c-dark);
  color:rgba(255,255,255,.78);
  font-size:12.5px;
  letter-spacing:.4px;
  height:36px;
  display:flex;
  align-items:center;
}
.topbar-inner{
  display:flex;
  align-items:center;
  gap:20px;
  height:36px;
}
.topbar-site{
  flex:none;
  border:1px solid rgba(255,255,255,.22);
  border-radius:var(--r-pill);
  padding:2px 12px;
  color:rgba(255,255,255,.68);
  font-size:12px;
}
.topbar-notice{
  flex:1 1 auto;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:12px;
  color:rgba(255,255,255,.74);
  min-width:0;
}
.topbar-notice span{
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.notice-close{
  flex:none;
  width:20px;height:20px;
  line-height:1;
  border:1px solid rgba(255,255,255,.24);
  background:transparent;
  color:rgba(255,255,255,.6);
  border-radius:50%;
  font-size:12px;
  display:grid;
  place-items:center;
  padding:0;
}
.notice-close:hover{color:#fff;border-color:rgba(255,255,255,.6);}
.topbar-links{
  flex:none;
  display:flex;
  align-items:center;
  gap:18px;
}
.topbar-links a{
  color:rgba(255,255,255,.74);
  position:relative;
  padding-bottom:2px;
}
.topbar-links a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  border-radius:2px;
  background:var(--g-brand);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .18s ease;
}
.topbar-links a:hover{color:#fff;}
.topbar-links a:hover::after{transform:scaleX(1);}

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--c-line);
  transition:background .24s ease,box-shadow .24s ease;
}
.site-header.is-scrolled{
  background:#fff;
  box-shadow:var(--sh-2);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:76px;
  transition:height .24s ease;
}
.site-header.is-scrolled .header-inner{height:64px;}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:none;
}
.brand-mark{
  width:38px;height:38px;
  border-radius:12px;
  background:var(--g-brand);
  display:grid;
  place-items:center;
  color:#fff;
  font-size:17px;
  font-weight:800;
  box-shadow:var(--sh-2);
}
.brand-text{
  display:flex;
  flex-direction:column;
  line-height:1.12;
}
.brand-main{
  font-size:17px;
  font-weight:800;
  color:var(--c-ink);
  letter-spacing:.4px;
}
.brand-sub{
  font-size:10.5px;
  font-weight:500;
  color:var(--c-ink-3);
  letter-spacing:2px;
}

.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
}
.nav-link{
  position:relative;
  padding:10px 14px;
  font-size:15px;
  color:var(--c-ink-2);
  white-space:nowrap;
  transition:color .18s ease;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;
  bottom:4px;
  width:0;
  height:2px;
  border-radius:2px;
  background:var(--g-brand);
  transition:width .18s ease;
}
.nav-link:hover{color:var(--c-brand);}
.nav-link:hover::after{width:60%;}
.nav-link.is-active{color:var(--c-brand);}
.nav-link.is-active::after{width:60%;}

.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
  flex:none;
}
.search-btn{
  width:40px;height:40px;
  border-radius:50%;
  border:1px solid var(--c-line);
  background:#fff;
  color:var(--c-ink-2);
  display:grid;
  place-items:center;
  transition:border-color .18s ease,color .18s ease,background .18s ease;
}
.search-btn:hover{border-color:var(--c-brand);color:var(--c-brand);background:var(--c-surface-2);}
.search-btn:focus-visible{outline:3px solid rgba(255,106,43,.35);outline-offset:2px;}

.menu-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--c-line);
  border-radius:12px;
  background:#fff;
  padding:0;
  place-items:center;
  gap:4px;
  flex-direction:column;
}
.menu-toggle span{
  display:block;
  width:18px;height:2px;
  border-radius:2px;
  background:var(--c-ink);
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:52px;
  padding:0 28px;
  border-radius:var(--r-pill);
  font-size:16px;
  font-weight:600;
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{
  background:var(--g-brand);
  color:#fff;
  box-shadow:var(--sh-2);
}
.btn-primary:hover{
  color:#fff;
  transform:translateY(-2px);
  box-shadow:var(--sh-3);
}
.btn-primary:active{transform:translateY(1px);background:var(--c-brand-deep);}
.btn-primary:focus-visible{outline:3px solid rgba(255,106,43,.35);outline-offset:2px;}
.btn-ghost{
  background:#fff;
  border:1.5px solid var(--c-line);
  color:var(--c-ink);
}
.btn-ghost:hover{
  border-color:var(--c-brand);
  color:var(--c-brand);
  background:var(--c-surface-2);
}
.btn-ghost:focus-visible{outline:3px solid rgba(255,106,43,.35);outline-offset:2px;}
.btn-sm{height:42px;padding:0 20px;font-size:14px;}

.text-link{
  font-size:15px;
  font-weight:600;
  color:var(--c-brand);
  border-bottom:1px solid rgba(255,106,43,.5);
  padding-bottom:2px;
}
.text-link:hover{border-bottom-width:2px;color:var(--c-brand-deep);}

/* ---------- 分类 Banner ---------- */
.cat-banner{padding:32px 0 0;}
.cat-banner-card{
  position:relative;
  display:grid;
  grid-template-columns:1.4fr .9fr;
  min-height:280px;
  border-radius:var(--r-xl);
  border:1px solid var(--c-line);
  background:var(--g-soft);
  overflow:hidden;
  box-shadow:var(--sh-1);
}
.cat-banner-text{
  padding:38px 40px 34px;
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:var(--c-ink-3);
  letter-spacing:.4px;
}
.breadcrumb a{color:var(--c-ink-3);}
.breadcrumb a:hover{color:var(--c-brand);}
.breadcrumb .sep{color:var(--c-line);font-weight:700;}
.breadcrumb .current{color:var(--c-ink-3);}

.cat-banner-text h1{
  margin:14px 0 12px;
  font-size:clamp(30px,4vw,46px);
  font-weight:800;
  line-height:1.22;
  letter-spacing:.5px;
}
.cat-banner-text > p{
  margin:0;
  max-width:560px;
  font-size:15.5px;
  color:var(--c-ink-2);
}

.anchor-bar{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:22px;
}
.anchor-bar a{
  font-size:13px;
  letter-spacing:.3px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.82);
  border:1px solid var(--c-line);
  color:var(--c-ink-2);
  transition:color .18s ease,border-color .18s ease,background .18s ease;
}
.anchor-bar a:hover{
  color:var(--c-brand);
  border-color:var(--c-brand);
  background:#fff;
}

.cat-banner-media{
  position:relative;
  min-height:280px;
  background:var(--c-surface-2);
}
.cat-banner-media img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.cat-banner-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(255,241,232,.95) 0%,rgba(255,241,232,.15) 55%,rgba(255,241,232,0) 100%);
}

/* ---------- 主体布局 ---------- */
.page-main{padding:0 0 0;}
.cat-layout{
  padding-top:56px;
  align-items:flex-start;
}

.cat-aside{margin-bottom:36px;}
.toc-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:22px 20px;
  box-shadow:var(--sh-1);
}
.toc-title{
  font-size:13px;
  font-weight:700;
  letter-spacing:1.4px;
  color:var(--c-ink-3);
  text-transform:uppercase;
  margin-bottom:14px;
}
.toc-list{list-style:none;}
.toc-list li + li{margin-top:2px;}
.toc-list a{
  display:block;
  font-size:14.5px;
  line-height:1.5;
  color:var(--c-ink-2);
  padding:8px 10px;
  border-radius:var(--r-sm);
  border-left:2px solid transparent;
  transition:color .18s ease,background .18s ease,border-color .18s ease;
}
.toc-list a:hover{
  color:var(--c-brand);
  background:var(--c-surface-2);
  border-left-color:var(--c-brand);
}
.toc-cta{
  display:block;
  margin-top:16px;
  text-align:center;
  font-size:14px;
  font-weight:600;
  color:var(--c-brand);
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  padding:10px 12px;
  transition:border-color .18s ease,background .18s ease;
}
.toc-cta:hover{border-color:var(--c-brand);background:var(--c-surface-2);}

@media (min-width:1024px){
  .cat-aside .toc-card{position:sticky;top:96px;}
}

/* ---------- 内容分节 ---------- */
.cat-content{font-size:16.5px;line-height:1.95;color:var(--c-ink-2);}
.content-section{
  scroll-margin-top:100px;
  padding-bottom:48px;
}
.content-section + .content-section{
  border-top:1px solid var(--c-line);
  padding-top:44px;
}
.content-section h2{
  position:relative;
  font-size:clamp(22px,2.2vw,28px);
  font-weight:700;
  line-height:1.35;
  padding-left:16px;
  margin-bottom:16px;
}
.content-section h2::before{
  content:"";
  position:absolute;
  left:0;
  top:.16em;
  bottom:.16em;
  width:4px;
  border-radius:4px;
  background:var(--g-brand);
}
.content-section h3{
  font-size:17px;
  font-weight:700;
  margin-bottom:8px;
}
.content-section p{margin:0 0 16px;}
.content-section p:last-child{margin-bottom:0;}

.dot-list{list-style:none;margin:0 0 18px;}
.dot-list li{
  position:relative;
  padding-left:22px;
  margin-bottom:10px;
}
.dot-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:.78em;
  width:8px;height:8px;
  border-radius:50%;
  background:var(--g-brand);
}

/* ---------- 五步纵向步骤线 ---------- */
.steps{
  position:relative;
  list-style:none;
  margin:26px 0 8px;
  padding-left:56px;
}
.steps::before{
  content:"";
  position:absolute;
  left:15px;
  top:14px;
  bottom:14px;
  width:2px;
  border-radius:2px;
  background:var(--g-brand);
  opacity:.38;
}
.step{
  position:relative;
  padding-bottom:26px;
}
.step:last-child{padding-bottom:0;}
.step-dot{
  position:absolute;
  left:-56px;
  top:2px;
  width:32px;height:32px;
  border-radius:50%;
  background:var(--g-brand);
  color:#fff;
  font-size:12px;
  font-weight:800;
  letter-spacing:.5px;
  display:grid;
  place-items:center;
  font-variant-numeric:tabular-nums;
  box-shadow:0 10px 20px -10px rgba(226,78,18,.75);
}
.step-body h3{margin-bottom:6px;}
.step-body p{font-size:15.5px;margin:0;color:var(--c-ink-2);}

/* ---------- 图文交替 ---------- */
.media-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:28px;
  align-items:center;
  margin:26px 0;
}
.media-row.reverse .media-figure{order:2;}
.media-figure{
  margin:0;
  border-radius:var(--r-lg);
  overflow:hidden;
  background:var(--c-surface-2);
  aspect-ratio:4/3;
  box-shadow:var(--sh-1);
}
.media-figure img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .4s cubic-bezier(.2,.7,.3,1);
}
.media-row:hover .media-figure img{transform:scale(1.04);}
.media-text p{font-size:15.5px;margin:0;}

/* ---------- 数据徽章 ---------- */
.badge-row{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin:22px 0 6px;
}
.stat-badge{
  position:relative;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  padding:16px 20px 14px;
  min-width:150px;
  overflow:hidden;
  box-shadow:var(--sh-1);
}
.stat-badge::before{
  content:"";
  position:absolute;
  left:0;right:0;top:0;
  height:2px;
  background:var(--g-brand);
}
.stat-num{
  font-size:28px;
  font-weight:800;
  line-height:1.05;
  color:var(--c-ink);
  font-variant-numeric:tabular-nums;
}
.stat-unit{
  font-size:12px;
  font-weight:600;
  color:var(--c-ink-3);
  margin-left:4px;
}
.stat-label{
  font-size:12px;
  color:var(--c-ink-3);
  letter-spacing:.4px;
  margin-top:6px;
}

/* ---------- 异常条目 ---------- */
.issue-list{
  display:grid;
  gap:12px;
  margin-top:22px;
}
.issue-item{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  padding:18px 22px;
  transition:transform .24s cubic-bezier(.2,.7,.3,1),box-shadow .24s ease,border-color .24s ease;
}
.issue-item:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-2);
  border-color:rgba(255,106,43,.35);
}
.issue-item h3{
  font-size:16px;
  margin-bottom:6px;
}
.issue-item p{
  font-size:15px;
  margin:0;
  color:var(--c-ink-2);
}

/* ---------- 提示条 ---------- */
.notice-strip{
  display:flex;
  align-items:flex-start;
  gap:12px;
  border-radius:var(--r-md);
  background:rgba(18,200,180,.1);
  border:1px solid rgba(18,200,180,.28);
  padding:16px 20px;
  margin:22px 0;
  font-size:15px;
  color:#0E7A6D;
}
.notice-strip .icon{
  flex:none;
  width:22px;height:22px;
  border-radius:50%;
  background:var(--c-accent);
  color:#fff;
  font-size:13px;
  font-weight:800;
  display:grid;
  place-items:center;
  margin-top:2px;
}
.notice-strip p{margin:0;font-size:15px;color:#0E7A6D;}

/* ---------- 底部 CTA 条 ---------- */
.cta-bar{
  margin-top:56px;
  background:var(--c-surface-2);
  border:1px solid var(--c-line);
  border-radius:var(--r-xl);
  padding:32px 36px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
}
.cta-bar h2{
  font-size:20px;
  font-weight:700;
  margin-bottom:6px;
}
.cta-bar p{
  margin:0;
  font-size:14.5px;
  color:var(--c-ink-2);
}
.cta-bar-actions{
  display:flex;
  align-items:center;
  gap:18px;
  flex-wrap:wrap;
}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:96px;
  background:var(--c-dark);
  color:rgba(255,255,255,.72);
  font-size:14px;
}
.site-footer::before{
  content:"";
  display:block;
  height:1px;
  background:var(--g-brand);
}
.footer-grid{
  padding:56px 0 40px;
}
.footer-brand{margin-bottom:28px;}
.footer-logo{
  display:flex;
  flex-direction:column;
  line-height:1.15;
  margin-bottom:12px;
}
.footer-logo-main{
  font-size:19px;
  font-weight:800;
  color:#fff;
  letter-spacing:.4px;
}
.footer-logo-sub{
  font-size:11.5px;
  font-weight:500;
  color:rgba(255,255,255,.55);
  letter-spacing:2.4px;
  margin-top:3px;
}
.footer-brand p{
  margin:0;
  font-size:14px;
  line-height:1.85;
  color:rgba(255,255,255,.62);
  max-width:340px;
}
.footer-col{margin-bottom:28px;}
.footer-col h4{
  font-size:14px;
  font-weight:700;
  color:#fff;
  letter-spacing:.6px;
  margin-bottom:14px;
}
.footer-col ul{list-style:none;}
.footer-col li{margin-bottom:10px;}
.footer-col a{
  color:rgba(255,255,255,.65);
  font-size:14px;
  transition:color .18s ease,padding-left .18s ease;
}
.footer-col a:hover{color:#fff;padding-left:4px;}
.footer-col span{
  color:rgba(255,255,255,.6);
  font-size:14px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0;
}
.footer-bottom-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
}
.footer-bottom-inner p{
  margin:0;
  font-size:12.5px;
  color:rgba(255,255,255,.5);
  letter-spacing:.4px;
}

/* ---------- 返回顶部 ---------- */
.back-top{
  position:fixed;
  right:24px;
  bottom:24px;
  width:44px;height:44px;
  border:0;
  border-radius:50%;
  background:var(--g-brand);
  color:#fff;
  display:grid;
  place-items:center;
  box-shadow:var(--sh-2);
  opacity:0;
  pointer-events:none;
  transform:translateY(10px);
  transition:opacity .3s ease,transform .3s ease;
  z-index:80;
}
.back-top.is-visible{opacity:1;pointer-events:auto;transform:translateY(0);}
.back-top:focus-visible{outline:3px solid rgba(255,106,43,.45);outline-offset:3px;}

/* ---------- 抽屉导航 ---------- */
.drawer{
  position:fixed;
  top:0;
  right:0;
  height:100%;
  width:min(86vw,360px);
  background:#fff;
  z-index:120;
  transform:translateX(100%);
  transition:transform .28s cubic-bezier(.2,.7,.3,1);
  display:flex;
  flex-direction:column;
  box-shadow:-24px 0 60px -34px rgba(0,0,0,.55);
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:18px 22px;
  border-bottom:1px solid var(--c-line);
}
.drawer-title{
  font-size:15px;
  font-weight:800;
  color:var(--c-ink);
}
.drawer-close{
  width:36px;height:36px;
  border-radius:50%;
  border:1px solid var(--c-line);
  background:#fff;
  color:var(--c-ink-2);
  font-size:18px;
  line-height:1;
  display:grid;
  place-items:center;
}
.drawer-nav{
  flex:1 1 auto;
  overflow-y:auto;
  padding:8px 0;
}
.drawer-nav a{
  display:block;
  font-size:17px;
  line-height:56px;
  padding:0 22px;
  color:var(--c-ink-2);
  border-bottom:1px solid var(--c-line);
}
.drawer-nav a.is-active{color:var(--c-brand);font-weight:600;}
.drawer-foot{
  padding:18px 22px 26px;
  border-top:1px solid var(--c-line);
}
.drawer-foot .btn{width:100%;}
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(27,18,32,.45);
  opacity:0;
  pointer-events:none;
  transition:opacity .28s ease;
  z-index:110;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}

/* ---------- 入场动效 ---------- */
.reveal{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .55s ease,transform .55s ease;
}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .cat-layout{padding-top:44px;}
  .content-section{padding-bottom:40px;}
  .content-section + .content-section{padding-top:36px;}
}

@media (max-width:899px){
  .topbar-notice{display:none;}
  .nav-links{display:none;}
  .menu-toggle{display:flex;}
  .header-actions .btn-primary{display:none;}
  .cat-banner-card{grid-template-columns:1fr;min-height:0;}
  .cat-banner-text{padding:28px 24px 24px;}
  .cat-banner-media{min-height:200px;order:-1;}
  .cat-banner-media::after{
    background:linear-gradient(0deg,rgba(255,241,232,.95) 0%,rgba(255,241,232,.15) 60%,rgba(255,241,232,0) 100%);
  }
  .media-row{grid-template-columns:1fr;gap:18px;}
  .media-row.reverse .media-figure{order:0;}
  .footer-col a:hover{padding-left:0;}
  .site-footer{margin-top:64px;}
}

@media (max-width:639px){
  .container{padding:0 16px;}
  .header-inner{gap:12px;height:66px;}
  .site-header.is-scrolled .header-inner{height:60px;}
  .brand-main{font-size:15px;}
  .brand-sub{letter-spacing:1.2px;font-size:10px;}
  .brand-mark{width:34px;height:34px;border-radius:10px;font-size:15px;}
  .topbar-site{font-size:11px;padding:2px 10px;}
  .cat-banner{padding-top:20px;}
  .cat-banner-text{padding:22px 18px 20px;}
  .anchor-bar a{font-size:12.5px;padding:5px 12px;}
  .content-section h2{font-size:21px;}
  .cat-content{font-size:16px;}
  .steps{padding-left:48px;}
  .steps::before{left:13px;}
  .step-dot{left:-48px;width:28px;height:28px;font-size:11px;}
  .badge-row{gap:10px;}
  .stat-badge{min-width:132px;padding:14px 16px 12px;}
  .stat-num{font-size:24px;}
  .cta-bar{padding:24px 20px;margin-top:40px;border-radius:var(--r-lg);}
  .cta-bar-actions{width:100%;}
  .cta-bar-actions .btn{width:100%;}
  .footer-grid{padding:40px 0 24px;}
  .footer-bottom-inner{flex-direction:column;align-items:flex-start;}
  .back-top{right:16px;bottom:16px;}
}

/* roulang page: category2 */
/* ===================== 设计变量 ===================== */
:root{
  --c-brand:#FF6A2B;
  --c-brand-deep:#E24E12;
  --c-accent:#12C8B4;
  --c-pop:#FF3D8A;
  --c-ink:#1E1A24;
  --c-ink-2:#5B5462;
  --c-ink-3:#8B8593;
  --c-line:#F0E4DA;
  --c-bg:#FFF8F3;
  --c-surface:#FFFFFF;
  --c-surface-2:#FFF1E8;
  --c-dark:#1B1220;
  --g-brand:linear-gradient(120deg,#FF6A2B 0%,#FF3D8A 52%,#7A4DFF 100%);
  --g-soft:linear-gradient(135deg,#FFF1E8 0%,#FFE9F2 100%);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --r-pill:999px;
  --sh-1:0 2px 6px rgba(30,26,36,.05);
  --sh-2:0 14px 34px -16px rgba(226,78,18,.28);
  --sh-3:0 30px 70px -30px rgba(122,77,255,.30);
}
/* ===================== 基础 reset ===================== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink-2);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-brand);text-decoration:none;transition:color .18s ease;}
a:visited{color:#D8581F;}
a:hover{color:var(--c-brand-deep);text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4{color:var(--c-ink);margin:0;font-weight:700;line-height:1.3;}
h1{font-size:clamp(30px,4.2vw,52px);font-weight:800;line-height:1.22;letter-spacing:.5px;}
h2{font-size:clamp(24px,2.6vw,34px);font-weight:700;}
h3{font-size:20px;font-weight:700;}
h4{font-size:17px;font-weight:600;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
strong{color:var(--c-ink);font-weight:700;}
.num,.badge-num,th,.stat{font-variant-numeric:tabular-nums;}
:focus-visible{outline:3px solid rgba(255,106,43,.38);outline-offset:2px;border-radius:6px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

/* ===================== 容器与栅格 ===================== */
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}
@media (min-width:1500px){.container{max-width:1440px;}}
.grid-x.grid-padding-x{margin-left:-12px;margin-right:-12px;}
.grid-x.grid-padding-x>.cell{padding-left:12px;padding-right:12px;}
.section{padding:96px 0;}
.section-tight{padding:0 0 96px;}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:1.6px;font-weight:700;color:var(--c-brand);
  text-transform:uppercase;margin-bottom:14px;
}
.section-head .eyebrow::before{content:"";width:26px;height:3px;border-radius:2px;background:var(--g-brand);}
.section-head p{margin-top:12px;font-size:16px;color:var(--c-ink-2);max-width:660px;}

/* ===================== 顶部信息条 ===================== */
.topbar{background:var(--c-dark);color:rgba(255,255,255,.76);font-size:12.5px;letter-spacing:.4px;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:36px;padding-top:5px;padding-bottom:5px;}
.topbar-domain{
  display:inline-flex;align-items:center;gap:6px;white-space:nowrap;
  border:1px solid rgba(255,255,255,.16);border-radius:var(--r-pill);
  padding:2px 12px;color:rgba(255,255,255,.68);font-size:11.5px;
}
.topbar-note{
  display:flex;align-items:center;gap:12px;flex:1 1 auto;justify-content:center;
  color:rgba(255,255,255,.62);min-width:0;
}
.topbar-note span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.topbar-close{
  background:transparent;border:1px solid rgba(255,255,255,.18);color:rgba(255,255,255,.7);
  width:20px;height:20px;line-height:1;border-radius:50%;cursor:pointer;font-size:13px;
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;padding:0;
  transition:background .2s ease,color .2s ease;
}
.topbar-close:hover{background:rgba(255,255,255,.14);color:#fff;}
.topbar-actions{display:flex;align-items:center;gap:18px;white-space:nowrap;}
.topbar-actions a{color:rgba(255,255,255,.78);font-size:12.5px;padding-bottom:2px;position:relative;}
.topbar-actions a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--g-brand);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.topbar-actions a:hover{color:#fff;}
.topbar-actions a:hover::after{transform:scaleX(1);}

/* ===================== 主导航 ===================== */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(255,248,243,.86);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--c-line);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{background:#fff;box-shadow:var(--sh-2);border-bottom-color:transparent;}
.header-inner{display:flex;align-items:center;gap:28px;height:76px;transition:height .25s ease;}
.site-header.is-scrolled .header-inner{height:64px;}
.brand-lock{display:flex;align-items:center;gap:12px;flex:0 0 auto;color:var(--c-ink);}
.brand-mark{
  width:44px;height:44px;border-radius:14px;background:var(--g-brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;box-shadow:var(--sh-2);flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.12;}
.brand-main{font-size:20px;font-weight:800;letter-spacing:.6px;color:var(--c-ink);}
.brand-sub{font-size:12.5px;font-weight:500;letter-spacing:3px;color:var(--c-ink-3);}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 13px;
  font-size:15px;font-weight:600;color:var(--c-ink-2);border-radius:var(--r-sm);
  transition:color .18s ease;
}
.nav-link::after{
  content:"";position:absolute;left:13px;right:13px;bottom:4px;height:2px;border-radius:2px;
  background:var(--g-brand);transform:scaleX(0);transform-origin:center;transition:transform .18s ease;
}
.nav-link:hover{color:var(--c-brand);}
.nav-link:hover::after{transform:scaleX(.6);}
.nav-link.is-active{color:var(--c-brand);}
.nav-link.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.search-btn{
  width:42px;height:42px;border-radius:50%;border:1.5px solid var(--c-line);background:#fff;
  color:var(--c-ink-2);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.search-btn:hover{border-color:var(--c-brand);color:var(--c-brand);background:var(--c-surface-2);}
.menu-btn{
  display:none;width:44px;height:44px;border-radius:12px;border:1.5px solid var(--c-line);
  background:#fff;cursor:pointer;padding:0;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.menu-btn span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-ink);transition:transform .22s ease,opacity .22s ease;}
.menu-btn.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.menu-btn.is-open span:nth-child(2){opacity:0;}
.menu-btn.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.drawer-mask{
  position:fixed;inset:0;background:rgba(27,18,32,.42);opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;z-index:80;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ===================== 按钮 ===================== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 28px;border-radius:var(--r-pill);font-size:16px;font-weight:600;
  cursor:pointer;border:1.5px solid transparent;transition:all .24s cubic-bezier(.2,.7,.3,1);
  text-align:center;white-space:nowrap;
}
.btn-gradient{background:var(--g-brand);color:#fff;box-shadow:var(--sh-2);}
.btn-gradient:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-3);}
.btn-gradient:active{transform:translateY(1px);background:var(--c-brand-deep);}
.btn-outline{background:#fff;border-color:var(--c-line);color:var(--c-ink);}
.btn-outline:hover{border-color:var(--c-brand);color:var(--c-brand);background:var(--c-surface-2);}
.btn-sm{height:44px;padding:0 20px;font-size:14.5px;}
.btn-block{width:100%;}

/* ===================== 分类 Banner ===================== */
.page-top{padding-top:32px;}
.category-banner{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:var(--g-soft);
  border:1px solid var(--c-line);
  padding:48px 52px;
  display:grid;grid-template-columns:1.25fr .85fr;gap:44px;align-items:center;
  box-shadow:var(--sh-1);
}
.category-banner::before{
  content:"";position:absolute;left:-120px;top:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,43,.20),rgba(255,106,43,0) 68%);pointer-events:none;
}
.category-banner::after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,200,180,.18),rgba(18,200,180,0) 70%);pointer-events:none;
}
.banner-left{position:relative;z-index:2;}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--c-ink-3);margin-bottom:20px;letter-spacing:.3px;
}
.breadcrumb a{color:var(--c-ink-2);}
.breadcrumb a:hover{color:var(--c-brand);text-decoration:underline;}
.breadcrumb .sep{color:var(--c-ink-3);opacity:.7;}
.breadcrumb .current{color:var(--c-ink-3);}
.banner-left h1{margin-bottom:16px;max-width:14em;}
.banner-left .lead{font-size:16.5px;line-height:1.8;color:var(--c-ink-2);max-width:560px;margin-bottom:26px;}
.badge-row{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px;}
.data-badge{
  background:#fff;border:1px solid var(--c-line);border-radius:14px;
  padding:12px 18px 11px;min-width:112px;box-shadow:var(--sh-1);
  position:relative;overflow:hidden;
}
.data-badge::before{content:"";position:absolute;left:0;right:0;top:0;height:2px;background:var(--g-brand);}
.data-badge .badge-num{display:block;font-size:26px;font-weight:800;line-height:1.05;color:var(--c-ink);}
.data-badge .badge-num em{font-size:12px;font-style:normal;font-weight:600;color:var(--c-ink-3);margin-left:3px;}
.data-badge .badge-label{display:block;font-size:12px;color:var(--c-ink-3);letter-spacing:.4px;margin-top:4px;}
.anchor-bar{display:flex;flex-wrap:wrap;gap:10px;}
.anchor-bar a{
  display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.86);border:1px solid var(--c-line);color:var(--c-ink-2);font-size:13.5px;font-weight:600;
  transition:all .2s ease;
}
.anchor-bar a:hover{border-color:var(--c-brand);color:var(--c-brand);background:#fff;transform:translateY(-1px);}
.banner-right{position:relative;z-index:2;}
.banner-figure{
  position:relative;border-radius:var(--r-lg);overflow:hidden;background:var(--c-surface-2);
  aspect-ratio:16/11;box-shadow:var(--sh-3);
}
.banner-figure img{width:100%;height:100%;object-fit:cover;}
.banner-figure figcaption{
  position:absolute;left:16px;bottom:14px;background:rgba(27,18,32,.62);color:#fff;
  font-size:12px;letter-spacing:.4px;padding:6px 12px;border-radius:var(--r-pill);backdrop-filter:blur(4px);
}

/* ===================== 安全提示条 ===================== */
.security-bar{
  display:flex;align-items:flex-start;gap:16px;
  background:rgba(18,200,180,.10);
  border:1px solid rgba(18,200,180,.28);
  border-radius:var(--r-md);
  padding:18px 22px;
  margin-top:28px;
}
.security-bar .bar-icon{
  flex:0 0 auto;width:38px;height:38px;border-radius:12px;background:rgba(18,200,180,.18);
  color:#0E9C8D;display:inline-flex;align-items:center;justify-content:center;font-size:17px;
}
.security-bar .bar-text{font-size:14.5px;line-height:1.8;color:#136C63;}
.security-bar .bar-text strong{color:#0E5F58;}

/* ===================== 卡片墙 ===================== */
.card-wall{margin-top:-12px;}
.card-wall>.cell{margin-top:24px;display:flex;}
.sec-card{
  width:100%;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);padding:20px;box-shadow:var(--sh-1);
  display:flex;flex-direction:column;gap:12px;
  transition:transform .24s cubic-bezier(.2,.7,.3,1),box-shadow .24s ease,border-color .24s ease;
}
.sec-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,106,43,.32);}
.sec-card-top{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.icon-pill{
  width:46px;height:46px;border-radius:14px;background:var(--g-soft);border:1px solid var(--c-line);
  color:var(--c-brand);display:inline-flex;align-items:center;justify-content:center;font-size:19px;flex:0 0 auto;
}
.chip{
  display:inline-flex;align-items:center;height:24px;padding:0 11px;border-radius:var(--r-pill);
  background:var(--c-surface-2);color:#C24316;font-size:12px;letter-spacing:.4px;font-weight:600;white-space:nowrap;
}
.chip-accent{background:rgba(18,200,180,.14);color:#0E9C8D;}
.chip-pop{background:rgba(255,61,138,.12);color:#C9266B;}
.sec-card h3{font-size:17.5px;}
.sec-card p{font-size:14.5px;line-height:1.8;color:var(--c-ink-2);margin:0;}
.sec-card ul{margin-top:2px;display:flex;flex-direction:column;gap:7px;}
.sec-card ul li{
  position:relative;padding-left:16px;font-size:13.5px;color:var(--c-ink-3);line-height:1.7;
}
.sec-card ul li::before{
  content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--g-brand);
}
.sec-card .card-link{
  margin-top:auto;font-size:13.5px;font-weight:600;display:inline-flex;align-items:center;gap:6px;
}
.sec-card .card-link i{font-size:11px;transition:transform .2s ease;}
.sec-card .card-link:hover i{transform:translateX(3px);}

/* ===================== 自检清单 ===================== */
.check-list>.cell{margin-top:24px;display:flex;}
.check-card{
  width:100%;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:26px 26px 24px;box-shadow:var(--sh-1);display:flex;gap:20px;align-items:flex-start;
  transition:transform .24s cubic-bezier(.2,.7,.3,1),box-shadow .24s ease;
}
.check-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.check-num{
  font-size:40px;font-weight:800;line-height:1;letter-spacing:-1px;
  background:var(--g-brand);-webkit-background-clip:text;background-clip:text;color:transparent;
  flex:0 0 auto;font-variant-numeric:tabular-nums;
}
.check-body h3{font-size:18px;margin-bottom:8px;}
.check-body p{font-size:14.5px;line-height:1.8;color:var(--c-ink-2);margin:0;}
.check-body .meta-line{
  display:inline-flex;align-items:center;gap:8px;margin-top:14px;font-size:12.5px;color:var(--c-ink-3);letter-spacing:.4px;
}
.check-body .meta-line::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--g-brand);}

/* ===================== 异常速查表 ===================== */
.table-panel{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;
}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;}
table.fix-table{width:100%;min-width:720px;border-collapse:collapse;font-size:14.5px;}
table.fix-table th{
  background:var(--c-surface-2);color:var(--c-ink);font-weight:700;text-align:left;
  padding:16px 20px;font-size:13.5px;letter-spacing:.4px;border-bottom:1px solid var(--c-line);
}
table.fix-table td{
  padding:16px 20px;border-bottom:1px solid var(--c-line);color:var(--c-ink-2);line-height:1.75;vertical-align:top;
}
table.fix-table tbody tr:last-child td{border-bottom:none;}
table.fix-table tbody tr{transition:background .2s ease;}
table.fix-table tbody tr:hover{background:#FFFCF9;}
table.fix-table td:first-child{color:var(--c-ink);font-weight:600;width:24%;}
.table-note{font-size:13px;color:var(--c-ink-3);padding:14px 20px 18px;margin:0;}

/* ===================== CTA 条 ===================== */
.mini-cta{
  background:var(--c-surface-2);border:1px solid var(--c-line);border-radius:var(--r-xl);
  padding:34px 40px;display:flex;align-items:center;justify-content:space-between;gap:28px;
  position:relative;overflow:hidden;
}
.mini-cta::before{
  content:"";position:absolute;right:-60px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,43,.16),rgba(255,106,43,0) 70%);
}
.mini-cta .cta-copy{position:relative;z-index:2;max-width:640px;}
.mini-cta h2{font-size:clamp(20px,2vw,26px);margin-bottom:8px;}
.mini-cta p{font-size:14.5px;color:var(--c-ink-2);margin:0;}
.mini-cta .cta-actions{position:relative;z-index:2;display:flex;align-items:center;gap:20px;flex-wrap:wrap;}
.text-link{
  font-size:14.5px;font-weight:600;color:var(--c-ink-2);border-bottom:1px solid var(--c-line);
  padding-bottom:2px;transition:color .2s ease,border-color .2s ease;
}
.text-link:hover{color:var(--c-brand);border-bottom-width:2px;border-color:var(--c-brand);}

/* ===================== 页脚 ===================== */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.72);margin-top:96px;position:relative;}
.site-footer::before{content:"";display:block;height:1px;width:100%;background:var(--g-brand);}
.footer-grid{padding-top:64px;padding-bottom:44px;}
.footer-brand{display:flex;flex-direction:column;gap:14px;padding-bottom:24px;}
.footer-logo{display:flex;flex-direction:column;line-height:1.14;}
.footer-logo-main{font-size:22px;font-weight:800;color:#fff;letter-spacing:.6px;}
.footer-logo-sub{font-size:12.5px;font-weight:500;letter-spacing:3px;color:rgba(255,255,255,.55);}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:340px;margin:0;}
.footer-col{padding-bottom:24px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;letter-spacing:.4px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col ul li a,.footer-col ul li span{font-size:14px;color:rgba(255,255,255,.68);transition:color .2s ease;}
.footer-col ul li a:hover{color:var(--c-brand);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.10);}
.footer-bottom-inner{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:20px;padding-bottom:26px;
}
.footer-bottom-inner p{font-size:12.5px;color:rgba(255,255,255,.48);margin:0;letter-spacing:.3px;}

/* ===================== 返回顶部 ===================== */
#backTop{
  position:fixed;right:24px;bottom:28px;width:44px;height:44px;border-radius:50%;
  background:var(--g-brand);color:#fff;border:none;cursor:pointer;box-shadow:var(--sh-2);
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;
  opacity:0;visibility:hidden;transform:translateY(10px);transition:all .28s ease;z-index:60;
}
#backTop.is-show{opacity:1;visibility:visible;transform:translateY(0);}
#backTop:hover{box-shadow:var(--sh-3);transform:translateY(-3px);}

/* ===================== 入场动效 ===================== */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease;}
.reveal.is-in{opacity:1;transform:translateY(0);}

/* ===================== 响应式 ===================== */
@media (max-width:1023px){
  .section{padding:64px 0;}
  .section-tight{padding:0 0 64px;}
  .category-banner{grid-template-columns:1fr;padding:36px 32px;gap:30px;}
  .banner-left h1{max-width:none;}
  .banner-figure{aspect-ratio:16/9;}
  .mini-cta{flex-direction:column;align-items:flex-start;padding:30px 28px;}
  .site-footer{margin-top:64px;}
}
@media (max-width:899px){
  .topbar-note{display:none;}
  .header-inner{height:64px;gap:16px;}
  .menu-btn{display:inline-flex;}
  .search-btn{display:none;}
  .nav-links{
    position:fixed;top:0;right:0;bottom:0;width:min(86vw,360px);
    background:#fff;flex-direction:column;align-items:stretch;gap:0;
    padding:78px 22px 120px;margin-left:0;
    transform:translateX(102%);transition:transform .3s cubic-bezier(.2,.7,.3,1);
    box-shadow:-20px 0 50px -30px rgba(27,18,32,.5);z-index:90;overflow-y:auto;
  }
  .nav-links.is-open{transform:translateX(0);}
  .nav-link{
    height:56px;padding:0 4px;font-size:17px;border-bottom:1px solid var(--c-line);border-radius:0;
  }
  .nav-link::after{display:none;}
  .nav-link.is-active{color:var(--c-brand);}
  .header-actions .btn{display:none;}
}
@media (max-width:639px){
  .container{padding-left:16px;padding-right:16px;}
  .grid-x.grid-padding-x{margin-left:-8px;margin-right:-8px;}
  .grid-x.grid-padding-x>.cell{padding-left:8px;padding-right:8px;}
  .section{padding:48px 0;}
  .section-tight{padding:0 0 48px;}
  .page-top{padding-top:20px;}
  .category-banner{padding:28px 20px;border-radius:var(--r-lg);}
  .banner-left .lead{font-size:15.5px;}
  .badge-row{gap:10px;overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px;-webkit-overflow-scrolling:touch;}
  .data-badge{min-width:104px;padding:10px 14px 9px;}
  .data-badge .badge-num{font-size:22px;}
  .brand-main{font-size:16px;}
  .brand-sub{font-size:10.5px;letter-spacing:2px;}
  .brand-mark{width:38px;height:38px;border-radius:12px;}
  .btn{height:48px;padding:0 22px;font-size:15px;}
  .check-card{padding:20px;gap:14px;}
  .check-num{font-size:32px;}
  .security-bar{padding:16px;}
  .mini-cta{border-radius:var(--r-lg);padding:26px 20px;}
  .footer-grid{padding-top:44px;padding-bottom:26px;}
  .footer-brand,.footer-col{padding-bottom:18px;}
  #backTop{right:16px;bottom:18px;width:42px;height:42px;}
}

/* roulang page: category3 */
/* ========== 设计变量 ========== */
:root{
  --c-brand:#FF6A2B;
  --c-brand-deep:#E24E12;
  --c-accent:#12C8B4;
  --c-pop:#FF3D8A;
  --c-ink:#1E1A24;
  --c-ink-2:#5B5462;
  --c-ink-3:#8B8593;
  --c-line:#F0E4DA;
  --c-bg:#FFF8F3;
  --c-surface:#FFFFFF;
  --c-surface-2:#FFF1E8;
  --c-dark:#1B1220;
  --g-brand:linear-gradient(120deg,#FF6A2B 0%,#FF3D8A 52%,#7A4DFF 100%);
  --g-soft:linear-gradient(135deg,#FFF1E8,#FFE9F2);
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --r-pill:999px;
  --sh-1:0 2px 6px rgba(30,26,36,.05);
  --sh-2:0 14px 34px -16px rgba(226,78,18,.28);
  --sh-3:0 30px 70px -30px rgba(122,77,255,.30);
}
/* ========== 基础重置 ========== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.85;color:var(--c-ink-2);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--c-brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--c-brand-deep)}
button{font-family:inherit;font-size:inherit}
h1,h2,h3,h4,h5{margin:0;color:var(--c-ink);font-family:inherit;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
table{border-collapse:collapse}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(255,106,43,.35);border-radius:var(--r-sm)}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* ========== 顶部信息条 ========== */
.topbar{background:var(--c-dark);color:rgba(255,255,255,.72);font-size:12.5px;letter-spacing:.4px}
.topbar-inner{display:flex;align-items:center;gap:20px;height:36px}
.topbar-left{flex:0 0 auto}
.topbar-domain{border:1px solid rgba(255,255,255,.18);border-radius:var(--r-pill);padding:2px 11px;color:rgba(255,255,255,.62);letter-spacing:.6px}
.topbar-mid{flex:1 1 auto;display:flex;align-items:center;justify-content:center;gap:12px;min-width:0}
.topbar-mid span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:rgba(255,255,255,.7)}
.topbar-close{flex:0 0 auto;width:20px;height:20px;border:none;background:transparent;color:rgba(255,255,255,.45);cursor:pointer;border-radius:50%;line-height:1;display:grid;place-items:center;transition:color .18s,background .18s}
.topbar-close:hover{color:#fff;background:rgba(255,255,255,.12)}
.topbar-right{flex:0 0 auto;display:flex;gap:18px}
.topbar-right a{position:relative;color:rgba(255,255,255,.72)}
.topbar-right a:hover{color:#fff}
.topbar-right a::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:1.5px;background:var(--g-brand);opacity:0;transition:opacity .18s ease}
.topbar-right a:hover::after{opacity:1}

/* ========== 主导航 ========== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.82);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{background:#fff;box-shadow:var(--sh-2);border-color:var(--c-line)}
.header-inner{display:flex;align-items:center;gap:22px;height:76px;transition:height .25s ease}
.site-header.is-scrolled .header-inner{height:64px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{width:42px;height:42px;border-radius:13px;background:var(--g-brand);display:grid;place-items:center;box-shadow:var(--sh-2);flex:0 0 auto;transition:transform .25s cubic-bezier(.2,.7,.3,1)}
.brand:hover .brand-mark{transform:rotate(-6deg) scale(1.04)}
.brand-mark svg{width:22px;height:22px;fill:#fff}
.brand-text{display:flex;flex-direction:column;line-height:1.12}
.brand-main{font-size:19px;font-weight:800;color:var(--c-ink);letter-spacing:.3px}
.brand-sub{font-size:12px;font-weight:500;color:var(--c-ink-3);letter-spacing:2px}
.nav-links{display:flex;align-items:stretch;height:100%;margin-left:auto}
.nav-link{position:relative;display:inline-flex;align-items:center;padding:0 14px;font-size:15px;color:var(--c-ink-2);white-space:nowrap;transition:color .18s ease}
.nav-link::after{content:"";position:absolute;left:14px;right:14px;bottom:14px;height:2px;border-radius:2px;background:var(--g-brand);transform:scaleX(0);transform-origin:center;transition:transform .18s ease}
.nav-link:hover{color:var(--c-brand)}
.nav-link:hover::after{transform:scaleX(.6)}
.nav-link.is-active{color:var(--c-brand);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.icon-btn{width:40px;height:40px;border-radius:50%;border:1px solid var(--c-line);background:#fff;display:grid;place-items:center;cursor:pointer;color:var(--c-ink-2);transition:border-color .18s,color .18s,background .18s,transform .18s}
.icon-btn:hover{border-color:var(--c-brand);color:var(--c-brand);background:var(--c-surface-2);transform:translateY(-1px)}
.icon-btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round}
.hamburger{display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--c-line);background:#fff;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-ink);transition:transform .25s ease,opacity .2s ease}
.hamburger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.is-open span:nth-child(2){opacity:0}
.hamburger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ========== 按钮 ========== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:52px;padding:0 28px;border-radius:var(--r-pill);font-size:16px;font-weight:600;border:none;cursor:pointer;white-space:nowrap;transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s ease,background .22s ease,color .18s ease,border-color .18s ease}
.btn-primary{background:var(--g-brand);background-size:160% 160%;color:#fff;box-shadow:var(--sh-2)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-3);background-position:100% 50%}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;border:1.5px solid var(--c-line);color:var(--c-ink)}
.btn-ghost:hover{border-color:var(--c-brand);color:var(--c-brand);background:var(--c-surface-2)}
.btn-sm{height:42px;padding:0 20px;font-size:14px}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--c-brand);border-bottom:1px solid transparent;transition:border-color .18s,color .18s}
.btn-link:hover{border-bottom-color:var(--c-brand)}

/* ========== 抽屉导航 ========== */
.drawer{position:fixed;inset:0;z-index:120;visibility:hidden;pointer-events:none}
.drawer.is-open{visibility:visible;pointer-events:auto}
.drawer-backdrop{position:absolute;inset:0;background:rgba(27,18,32,.5);opacity:0;transition:opacity .28s ease}
.drawer.is-open .drawer-backdrop{opacity:1}
.drawer-panel{position:absolute;top:0;right:0;bottom:0;width:min(86vw,360px);background:#fff;transform:translateX(100%);transition:transform .32s cubic-bezier(.2,.7,.3,1);display:flex;flex-direction:column;padding:22px 0 0;overflow-y:auto}
.drawer.is-open .drawer-panel{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:0 22px 18px;border-bottom:1px solid var(--c-line)}
.drawer-title{font-size:16px;font-weight:700;color:var(--c-ink)}
.drawer-close{width:36px;height:36px;border-radius:50%;border:1px solid var(--c-line);background:#fff;cursor:pointer;display:grid;place-items:center;color:var(--c-ink-2)}
.drawer-close:hover{border-color:var(--c-brand);color:var(--c-brand)}
.drawer-link{display:flex;align-items:center;justify-content:space-between;height:56px;padding:0 22px;font-size:17px;color:var(--c-ink);border-bottom:1px solid rgba(240,228,218,.7)}
.drawer-link.is-active{color:var(--c-brand);font-weight:600}
.drawer-link::after{content:"›";color:var(--c-ink-3);font-size:20px;line-height:1}
.drawer-foot{margin-top:auto;padding:22px}
.drawer-foot .btn{width:100%}

/* ========== 页面 Banner ========== */
.banner-shell{padding:28px 0 0}
.banner-card{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  min-height:280px;display:flex;align-items:center;gap:36px;
  padding:44px 48px;
  background-image:linear-gradient(92deg,rgba(255,248,243,.97) 0%,rgba(255,241,232,.93) 48%,rgba(255,233,242,.62) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center right;
  border:1px solid var(--c-line);
}
.banner-text{flex:1 1 auto;min-width:0}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-3);margin-bottom:16px;letter-spacing:.4px}
.breadcrumb a{color:var(--c-ink-3)}
.breadcrumb a:hover{color:var(--c-brand)}
.breadcrumb .sep{color:var(--c-line)}
.banner-title{font-size:clamp(24px,3vw,38px);font-weight:800;line-height:1.28;letter-spacing:.5px}
.banner-title .title-dot{color:var(--c-brand);margin:0 8px;font-weight:400}
.banner-lead{margin-top:14px;font-size:15.5px;line-height:1.9;color:var(--c-ink-2);max-width:620px}
.banner-figure{flex:0 0 300px;position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-3);aspect-ratio:3/2;background:var(--c-surface-2)}
.banner-figure img{width:100%;height:100%;object-fit:cover}
.banner-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,106,43,.06),rgba(122,77,255,.14));mix-blend-mode:multiply}

/* ========== 锚点条 ========== */
.anchor-bar{display:flex;gap:10px;overflow-x:auto;padding:22px 0 4px;scrollbar-width:none}
.anchor-bar::-webkit-scrollbar{display:none}
.anchor-chip{flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 18px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--c-line);color:var(--c-ink-2);font-size:14px;transition:border-color .2s,color .2s,background .2s,transform .2s}
.anchor-chip::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--g-brand)}
.anchor-chip:hover{border-color:var(--c-brand);color:var(--c-brand);background:var(--c-surface-2);transform:translateY(-2px)}

/* ========== 通用板块 ========== */
.section{padding:88px 0 0}
.section-head{max-width:720px;margin-bottom:36px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:1.6px;color:var(--c-brand);font-weight:600;margin-bottom:12px}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--g-brand)}
.section-title{font-size:clamp(22px,2.4vw,32px);font-weight:700;line-height:1.34}
.section-sub{margin-top:12px;font-size:15.5px;color:var(--c-ink-2);line-height:1.9}

/* ========== 图文交错 ========== */
.zigzag{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-xl);padding:8px 40px;box-shadow:var(--sh-1)}
.zig-row{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;padding:48px 0;border-bottom:1px solid var(--c-line)}
.zig-row:last-child{border-bottom:none}
.zig-row.is-flip .zig-media{order:2}
.zig-row.is-flip .zig-body{order:1}
.zig-media{position:relative;border-radius:var(--r-lg);overflow:hidden;aspect-ratio:4/3;background:var(--c-surface-2);box-shadow:var(--sh-1)}
.zig-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.2,.7,.3,1)}
.zig-row:hover .zig-media img{transform:scale(1.04)}
.zig-num{font-size:42px;font-weight:800;line-height:1;letter-spacing:1px;background:var(--g-brand);-webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums;margin-bottom:14px}
.zig-title{font-size:21px;font-weight:700;line-height:1.4}
.zig-text{margin-top:14px;font-size:15.5px;line-height:1.95;color:var(--c-ink-2)}
.zig-list{margin-top:18px;display:flex;flex-direction:column;gap:12px}
.zig-list li{position:relative;padding-left:22px;font-size:15px;line-height:1.85;color:var(--c-ink-2)}
.zig-list li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;background:var(--g-brand)}
.zig-kicker{display:inline-block;font-size:12px;letter-spacing:.6px;padding:4px 12px;border-radius:var(--r-pill);background:var(--c-surface-2);color:var(--c-brand-deep);margin-bottom:12px;font-weight:600}

/* ========== 数据徽章 ========== */
.stat-badge{display:inline-flex;align-items:baseline;gap:6px;background:#fff;border:1px solid var(--c-line);border-radius:14px;padding:12px 16px 12px;position:relative;box-shadow:var(--sh-2)}
.stat-badge::before{content:"";position:absolute;left:0;right:0;top:0;height:2px;border-radius:14px 14px 0 0;background:var(--g-brand)}
.stat-num{font-size:28px;font-weight:800;line-height:1.05;color:var(--c-ink);font-variant-numeric:tabular-nums}
.stat-unit{font-size:12px;color:var(--c-brand);font-weight:600;margin-left:2px}
.stat-desc{font-size:12px;color:var(--c-ink-3);letter-spacing:.4px;margin-left:4px}
.zig-media .stat-badge{position:absolute;right:-16px;bottom:22px;padding:12px 16px}
.stat-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}

/* ========== 对比表 ========== */
.compare-wrap{border:1px solid var(--c-line);border-radius:var(--r-lg);background:#fff;overflow-x:auto;box-shadow:var(--sh-1)}
.compare-table{width:100%;min-width:620px;font-size:15px}
.compare-table thead th{background:var(--c-surface-2);color:var(--c-ink);font-weight:700;text-align:left;padding:18px 22px;font-size:14px;letter-spacing:.6px;white-space:nowrap}
.compare-table thead th:first-child{border-radius:var(--r-lg) 0 0 0}
.compare-table thead th:last-child{border-radius:0 var(--r-lg) 0 0}
.compare-table tbody td{padding:18px 22px;border-bottom:1px solid var(--c-line);color:var(--c-ink-2);vertical-align:top;line-height:1.8}
.compare-table tbody tr:last-child td{border-bottom:none}
.compare-table tbody tr{transition:background .2s ease}
.compare-table tbody tr:hover{background:#FFFAF6}
.compare-table td:first-child{color:var(--c-ink);font-weight:600}

/* ========== FAQ ========== */
.faq-list{display:flex;flex-direction:column;gap:14px}
.faq-item{position:relative;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;transition:box-shadow .22s ease,border-color .22s ease}
.faq-item:hover{border-color:#F6D9C6}
.faq-item[open]{box-shadow:var(--sh-2);border-color:transparent}
.faq-item[open]::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;background:var(--g-brand)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 22px;font-size:16px;font-weight:600;color:var(--c-ink);transition:color .2s ease}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item[open] summary{color:var(--c-brand)}
.faq-icon{flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid var(--c-line);display:grid;place-items:center;color:var(--c-ink-3);font-size:16px;line-height:1;transition:transform .24s ease,color .2s ease,border-color .2s ease}
.faq-item[open] .faq-icon{transform:rotate(45deg);color:var(--c-brand);border-color:var(--c-brand)}
.faq-body{padding:0 22px 22px;font-size:15px;line-height:1.9;color:var(--c-ink-2)}

/* ========== CTA 条 ========== */
.cta-strip{margin-top:88px;background:var(--c-surface-2);border-radius:var(--r-xl);padding:36px 42px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;border:1px solid #FBE3D3}
.cta-strip h2{font-size:clamp(20px,2.1vw,26px);font-weight:700;line-height:1.4}
.cta-strip p{margin-top:10px;font-size:15px;color:var(--c-ink-2);max-width:520px}
.cta-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap}

/* ========== 页脚 ========== */
.site-footer{position:relative;margin-top:88px;background:var(--c-dark);color:rgba(255,255,255,.68)}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--g-brand)}
.footer-grid{display:grid !important;grid-template-columns:1.5fr 1fr 1fr .9fr;gap:40px;margin:0 !important;padding:64px 0 44px}
.footer-grid > .cell{width:auto !important;padding:0 !important;flex:none !important;max-width:none !important}
.footer-logo{display:flex;flex-direction:column;line-height:1.15;margin-bottom:16px}
.footer-logo-main{font-size:20px;font-weight:800;color:#fff;letter-spacing:.4px}
.footer-logo-sub{font-size:12px;font-weight:500;letter-spacing:2px;color:rgba(255,255,255,.48);margin-top:2px}
.footer-brand p{font-size:14px;line-height:1.9;max-width:340px;color:rgba(255,255,255,.58)}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;letter-spacing:.8px;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col li a,.footer-col li span{font-size:14px;color:rgba(255,255,255,.6);transition:color .18s ease}
.footer-col li a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0}
.footer-bottom-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.45);letter-spacing:.3px}

/* ========== 返回顶部 ========== */
.to-top{position:fixed;right:24px;bottom:24px;z-index:80;width:44px;height:44px;border-radius:50%;border:none;background:var(--g-brand);color:#fff;display:grid;place-items:center;cursor:pointer;box-shadow:var(--sh-3);opacity:0;pointer-events:none;transform:translateY(12px);transition:opacity .3s ease,transform .3s ease}
.to-top.is-visible{opacity:1;pointer-events:auto;transform:none}
.to-top svg{width:18px;height:18px;fill:none;stroke:#fff;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}

/* ========== 搜索弹层 ========== */
.search-modal{position:fixed;inset:0;z-index:140;visibility:hidden;pointer-events:none}
.search-modal.is-open{visibility:visible;pointer-events:auto}
.search-modal-bg{position:absolute;inset:0;background:rgba(27,18,32,.5);opacity:0;transition:opacity .25s ease}
.search-modal.is-open .search-modal-bg{opacity:1}
.search-modal-body{position:relative;max-width:640px;margin:14vh auto 0;background:#fff;border-radius:var(--r-xl);padding:32px;box-shadow:var(--sh-3);transform:translateY(-14px);opacity:0;transition:transform .28s cubic-bezier(.2,.7,.3,1),opacity .28s ease}
.search-modal.is-open .search-modal-body{transform:none;opacity:1}
.search-modal-body h3{font-size:18px;margin-bottom:18px}
.search-form{position:relative;display:flex;align-items:center}
.search-form input{width:100%;height:52px;border-radius:var(--r-pill);border:1px solid var(--c-line);background:#fff;padding:0 62px 0 22px;font-size:15px;color:var(--c-ink);transition:border-color .2s,box-shadow .2s}
.search-form input::placeholder{color:var(--c-ink-3)}
.search-form input:focus{outline:none;border-color:var(--c-brand);box-shadow:0 0 0 3px rgba(255,106,43,.16)}
.search-go{position:absolute;right:6px;width:40px;height:40px;border-radius:50%;border:none;background:var(--g-brand);color:#fff;display:grid;place-items:center;cursor:pointer}
.search-go svg{width:17px;height:17px;fill:none;stroke:#fff;stroke-width:2;stroke-linecap:round}
.search-hint{margin-top:14px;font-size:13px;color:var(--c-ink-3)}

/* ========== 入场动画 ========== */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .55s ease,transform .55s cubic-bezier(.2,.7,.3,1)}
.reveal.is-visible{opacity:1;transform:none}

/* ========== 响应式 ========== */
@media (max-width:1023px){
  .nav-link{padding:0 9px;font-size:14px}
  .banner-card{padding:36px 32px;gap:24px}
  .banner-figure{flex:0 0 240px}
  .zigzag{padding:8px 28px}
  .zig-row{gap:36px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:34px}
  .footer-grid > .cell:last-child{grid-column:span 3}
}
@media (max-width:899px){
  .nav-links{display:none}
  .hamburger{display:flex}
  .header-actions .btn-sm{display:none}
  .banner-card{flex-direction:column;align-items:flex-start;padding:32px 26px;gap:26px}
  .banner-figure{flex:none;width:100%;aspect-ratio:16/9}
  .zig-row{grid-template-columns:1fr;gap:26px;padding:38px 0}
  .zig-row.is-flip .zig-media{order:0}
  .zig-row.is-flip .zig-body{order:1}
  .zig-media .stat-badge{right:14px;bottom:14px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:56px 0 36px}
  .footer-grid > .cell:last-child{grid-column:span 2}
  .cta-strip{margin-top:64px;padding:30px 26px}
  .section{padding:64px 0 0}
}
@media (max-width:639px){
  .container{padding:0 16px}
  .topbar-mid{display:none}
  .topbar-right{gap:14px;margin-left:auto}
  .brand-main{font-size:17px}
  .brand-sub{font-size:11px;letter-spacing:1.4px}
  .brand-mark{width:38px;height:38px;border-radius:12px}
  .header-inner{gap:12px;height:64px}
  .site-header.is-scrolled .header-inner{height:58px}
  .icon-btn{display:none}
  .banner-shell{padding:18px 0 0}
  .banner-card{border-radius:var(--r-lg);min-height:auto}
  .banner-title{font-size:24px}
  .banner-title .title-dot{display:block;height:0;overflow:hidden;margin:0}
  .banner-lead{font-size:15px}
  .anchor-bar{padding:18px 0 2px}
  .zigzag{padding:0 20px;border-radius:var(--r-lg)}
  .zig-num{font-size:34px}
  .zig-title{font-size:19px}
  .stat-row{gap:10px}
  .stat-badge{padding:10px 13px}
  .stat-num{font-size:24px}
  .compare-table{min-width:540px}
  .compare-table thead th,.compare-table tbody td{padding:14px 16px;font-size:14px}
  .faq-item summary{padding:17px 18px;font-size:15px}
  .faq-body{padding:0 18px 18px;font-size:14.5px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-grid > .cell:last-child{grid-column:span 1}
  .footer-bottom-inner{flex-direction:column;align-items:flex-start;gap:8px}
  .cta-strip{flex-direction:column;align-items:flex-start}
  .search-modal-body{margin:10vh 16px 0;padding:24px}
  .section{padding:48px 0 0}
  .cta-strip{margin-top:48px}
  .to-top{right:16px;bottom:16px}
}

/* roulang page: category4 */
:root{
  --c-brand:#FF6A2B;
  --c-brand-deep:#E24E12;
  --c-accent:#12C8B4;
  --c-pop:#FF3D8A;
  --g-brand:linear-gradient(120deg,#FF6A2B 0%,#FF3D8A 52%,#7A4DFF 100%);
  --g-soft:linear-gradient(135deg,#FFF1E8,#FFE9F2);
  --c-ink:#1E1A24;
  --c-ink-2:#5B5462;
  --c-ink-3:#8B8593;
  --c-line:#F0E4DA;
  --c-bg:#FFF8F3;
  --c-surface:#FFFFFF;
  --c-surface-2:#FFF1E8;
  --c-dark:#1B1220;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --r-pill:999px;
  --sh-1:0 2px 6px rgba(30,26,36,.05);
  --sh-2:0 14px 34px -16px rgba(226,78,18,.28);
  --sh-3:0 30px 70px -30px rgba(122,77,255,.30);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink-2);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{color:var(--c-ink);font-family:inherit;margin:0;line-height:1.3;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
a{color:var(--c-brand);text-decoration:none;transition:color .2s ease,border-color .2s ease;}
a:hover{color:var(--c-brand-deep);}
a:focus-visible{outline:3px solid rgba(255,106,43,.35);outline-offset:2px;border-radius:4px;}
img{max-width:100%;display:block;border:0;}
ul,ol{margin:0;padding:0;}
button{font-family:inherit;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1441px){.container{max-width:1320px;}}
@media (max-width:1023px){.container{padding:0 20px;}}
@media (max-width:639px){.container{padding:0 16px;}}
.grid-x.grid-padding-x{row-gap:26px;}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--c-dark);color:rgba(255,255,255,.76);font-size:12.5px;letter-spacing:.4px;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:36px;}
.topbar-left{flex:0 0 auto;}
.topbar-domain{display:inline-block;border:1px solid rgba(255,255,255,.18);border-radius:var(--r-pill);padding:2px 12px;font-size:12px;letter-spacing:.6px;color:rgba(255,255,255,.7);}
.topbar-mid{display:flex;align-items:center;gap:10px;color:rgba(255,255,255,.72);min-width:0;}
.topbar-mid span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar-close{flex:0 0 auto;width:22px;height:22px;border:0;border-radius:50%;background:rgba(255,255,255,.08);color:rgba(255,255,255,.66);font-size:14px;line-height:1;cursor:pointer;transition:background .2s ease,color .2s ease;}
.topbar-close:hover{background:rgba(255,255,255,.2);color:#fff;}
.topbar-right{display:flex;align-items:center;gap:18px;flex:0 0 auto;}
.topbar-right a{position:relative;color:rgba(255,255,255,.82);}
.topbar-right a::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;border-radius:2px;background:var(--g-brand);transform:scaleX(0);transform-origin:left;transition:transform .18s ease;}
.topbar-right a:hover{color:#fff;}
.topbar-right a:hover::after{transform:scaleX(1);}
@media (max-width:899px){.topbar-mid{display:none;}}

/* ---------- 主导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.86);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--c-line);transition:box-shadow .24s ease,background .24s ease;}
.site-header.is-scrolled{background:#fff;box-shadow:var(--sh-2);}
.header-inner{display:flex;align-items:center;gap:22px;min-height:76px;transition:min-height .24s ease;}
.site-header.is-scrolled .header-inner{min-height:64px;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{width:40px;height:40px;border-radius:14px;background-image:var(--g-brand);color:#fff;font-weight:800;font-size:17px;display:flex;align-items:center;justify-content:center;box-shadow:var(--sh-2);letter-spacing:.5px;}
.brand-text{display:flex;flex-direction:column;line-height:1.08;}
.brand-main{font-size:20px;font-weight:800;color:var(--c-ink);letter-spacing:.4px;}
.brand-sub{font-size:12.5px;font-weight:500;letter-spacing:2.2px;color:var(--c-ink-3);margin-top:3px;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{position:relative;padding:10px 12px;font-size:15px;color:var(--c-ink-2);border-radius:var(--r-pill);white-space:nowrap;transition:color .18s ease;}
.nav-link::after{content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;border-radius:2px;background:var(--g-brand);transform:scaleX(0);transform-origin:left;transition:transform .18s ease;}
.nav-link:hover{color:var(--c-brand);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--c-brand);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.icon-btn{width:44px;height:44px;border-radius:50%;border:1px solid var(--c-line);background:#fff;color:var(--c-ink-2);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:border-color .2s ease,color .2s ease,transform .2s ease;}
.icon-btn:hover{border-color:var(--c-brand);color:var(--c-brand);transform:translateY(-2px);}
.hamburger{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-ink);transition:background .2s ease;}
.hamburger:hover span{background:var(--c-brand);}
@media (max-width:899px){
  .nav-links{display:none;}
  .hamburger{display:flex;}
  .header-actions .btn-desktop-cta{display:none;}
  .brand-main{font-size:17px;}
  .brand-sub{font-size:11px;letter-spacing:1.4px;}
  .brand-mark{width:36px;height:36px;border-radius:12px;font-size:15px;}
}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:52px;padding:0 28px;border:0;border-radius:var(--r-pill);font-size:16px;font-weight:600;cursor:pointer;letter-spacing:.3px;transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s ease,background-color .22s ease,color .22s ease,border-color .22s ease;}
.btn-primary{background-image:var(--g-brand);color:#fff;box-shadow:var(--sh-2);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-3);}
.btn-primary:active{transform:translateY(1px);background-image:linear-gradient(120deg,var(--c-brand-deep),var(--c-brand-deep));}
.btn-ghost{background:#fff;border:1.5px solid var(--c-line);color:var(--c-ink);}
.btn-ghost:hover{border-color:var(--c-brand);color:var(--c-brand);background:var(--c-surface-2);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{height:42px;padding:0 20px;font-size:14.5px;}
.btn:focus-visible{outline:3px solid rgba(255,106,43,.35);outline-offset:2px;}

/* ---------- 移动端抽屉 ---------- */
.drawer{position:fixed;top:0;right:0;height:100%;width:min(86vw,360px);background:#fff;z-index:120;transform:translateX(102%);transition:transform .3s cubic-bezier(.2,.7,.3,1);display:flex;flex-direction:column;box-shadow:-20px 0 60px -30px rgba(30,26,36,.5);}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--c-line);}
.drawer-title{font-size:15px;font-weight:700;color:var(--c-ink);}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--c-line);background:#fff;color:var(--c-ink-2);font-size:18px;line-height:1;cursor:pointer;}
.drawer-close:hover{border-color:var(--c-brand);color:var(--c-brand);}
.drawer-links{flex:1;overflow-y:auto;padding:6px 0;}
.drawer-links a{display:flex;align-items:center;height:56px;padding:0 22px;font-size:17px;color:var(--c-ink);border-bottom:1px solid var(--c-line);}
.drawer-links a.is-active{color:var(--c-brand);font-weight:600;background:var(--c-surface-2);}
.drawer-foot{padding:16px 20px 24px;border-top:1px solid var(--c-line);}
.drawer-foot .btn{width:100%;}
.drawer-mask{position:fixed;inset:0;background:rgba(27,18,32,.45);opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;z-index:110;}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ---------- 分类 Banner ---------- */
.cat-banner{padding:36px 0 0;}
.banner-card{position:relative;overflow:hidden;border-radius:var(--r-xl);background-image:var(--g-soft);border:1px solid var(--c-line);padding:42px 44px;min-height:280px;display:flex;align-items:center;}
.banner-card::after{content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(255,106,43,.16),transparent 68%);pointer-events:none;}
.banner-grid{position:relative;z-index:2;width:100%;align-items:center;}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:10px;font-size:13px;color:var(--c-ink-3);letter-spacing:.4px;}
.breadcrumb a{color:var(--c-ink-2);}
.breadcrumb a:hover{color:var(--c-brand);}
.breadcrumb .sep{color:#D9CDBF;}
.banner-title{font-size:clamp(28px,3.6vw,44px);font-weight:800;line-height:1.22;letter-spacing:.5px;margin:16px 0 14px;}
.banner-desc{font-size:16px;line-height:1.9;color:var(--c-ink-2);max-width:560px;}
.quick-anchor{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.quick-anchor a{display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--c-line);font-size:13px;color:var(--c-ink-2);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease;}
.quick-anchor a:hover{color:var(--c-brand);border-color:var(--c-brand);transform:translateY(-2px);box-shadow:var(--sh-1);}
.banner-media-cell{margin-top:0;}
.banner-media{position:relative;border-radius:var(--r-lg);overflow:hidden;aspect-ratio:16/11;background:var(--c-surface-2);box-shadow:var(--sh-3);}
.banner-media img{width:100%;height:100%;object-fit:cover;}
.banner-media::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(255,106,43,.14),rgba(122,77,255,.12));}
@media (max-width:1023px){
  .banner-card{padding:34px 30px;}
  .banner-media-cell{margin-top:26px;}
  .banner-media{aspect-ratio:16/9;}
}
@media (max-width:639px){
  .cat-banner{padding:20px 0 0;}
  .banner-card{padding:26px 20px;border-radius:var(--r-lg);}
  .banner-title{margin:12px 0 10px;}
  .quick-anchor{margin-top:18px;}
}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section-tight{padding-top:0;}
@media (max-width:1023px){.section{padding:64px 0;}}
@media (max-width:639px){.section{padding:48px 0;}}
.section-head{max-width:660px;margin-bottom:32px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;letter-spacing:1.4px;color:var(--c-brand);margin-bottom:12px;}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background-image:var(--g-brand);}
.section-title{font-size:clamp(24px,2.6vw,34px);font-weight:700;line-height:1.3;}
.section-sub{font-size:15.5px;color:var(--c-ink-2);margin-top:12px;}

/* ---------- 快速自查 ---------- */
.step-list{list-style:none;display:flex;flex-direction:column;gap:14px;}
.step-item{display:flex;gap:18px;align-items:flex-start;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);padding:20px 22px;transition:transform .24s cubic-bezier(.2,.7,.3,1),box-shadow .24s ease,border-color .24s ease;}
.step-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#FFD8C5;}
.step-num{flex:0 0 auto;font-size:22px;font-weight:800;line-height:1.1;letter-spacing:.5px;background-image:var(--g-brand);-webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums;padding-top:2px;}
.step-body h3{font-size:16.5px;font-weight:700;margin-bottom:6px;}
.step-body p{font-size:14.5px;color:var(--c-ink-2);}
.side-media{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--c-line);background:var(--c-surface-2);aspect-ratio:4/3;box-shadow:var(--sh-1);}
.side-media img{width:100%;height:100%;object-fit:cover;}
.stat-card{position:relative;overflow:hidden;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);padding:22px 24px;box-shadow:var(--sh-1);}
.stat-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background-image:var(--g-brand);}
.stat-num{font-size:32px;font-weight:800;line-height:1.05;color:var(--c-ink);font-variant-numeric:tabular-nums;}
.stat-num em{font-size:12px;font-weight:500;font-style:normal;color:var(--c-ink-3);margin-left:6px;}
.stat-label{font-size:13px;color:var(--c-ink-3);margin-top:8px;letter-spacing:.4px;}
@media (max-width:1023px){
  .side-media{aspect-ratio:16/9;margin-top:8px;}
}

/* ---------- FAQ ---------- */
.faq-search{margin-bottom:34px;}
.search-box{position:relative;max-width:720px;}
.search-box input{width:100%;height:52px;border-radius:var(--r-pill);border:1px solid var(--c-line);background:#fff;padding:0 62px 0 24px;font-size:15px;color:var(--c-ink);font-family:inherit;transition:border-color .2s ease,box-shadow .2s ease;}
.search-box input::placeholder{color:var(--c-ink-3);}
.search-box input:focus{outline:none;border-color:var(--c-brand);box-shadow:0 0 0 3px rgba(255,106,43,.16);}
.search-box button{position:absolute;right:6px;top:6px;width:40px;height:40px;border:0;border-radius:50%;background-image:var(--g-brand);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease;}
.search-box button:hover{transform:translateY(-1px);box-shadow:var(--sh-2);}
.search-hint{font-size:13px;color:var(--c-ink-3);margin-top:10px;letter-spacing:.3px;}
.faq-col{display:flex;flex-direction:column;gap:14px;}
.faq-col-offset{margin-top:32px;}
.faq-item{position:relative;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;}
.faq-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background-image:var(--g-brand);opacity:0;transition:opacity .22s ease;}
.faq-item:hover{border-color:#FFD8C5;}
.faq-item.is-open{box-shadow:var(--sh-1);}
.faq-item.is-open::before{opacity:1;}
.faq-item[hidden]{display:none;}
.faq-q{display:flex;width:100%;align-items:flex-start;justify-content:space-between;gap:16px;padding:18px 20px;background:none;border:0;text-align:left;font-size:16px;font-weight:600;color:var(--c-ink);line-height:1.6;cursor:pointer;transition:color .2s ease;}
.faq-item.is-open .faq-q{color:var(--c-brand);}
.faq-icon{position:relative;flex:0 0 18px;width:18px;height:18px;margin-top:4px;transition:transform .22s ease;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--c-brand);border-radius:2px;}
.faq-icon::before{left:0;top:8px;width:18px;height:2px;}
.faq-icon::after{left:8px;top:0;width:2px;height:18px;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .22s ease;}
.faq-item.is-open .faq-a{grid-template-rows:1fr;}
.faq-a-inner{overflow:hidden;}
.faq-a-inner p{padding:0 20px 20px;font-size:15px;line-height:1.9;color:var(--c-ink-2);}
.faq-empty{display:none;margin-top:20px;padding:44px 24px;text-align:center;border:1px dashed #E7D8CB;border-radius:var(--r-md);background:#fff;width:100%;}
.faq-empty.is-visible{display:block;}
.faq-empty .empty-icon{width:48px;height:48px;margin:0 auto 14px;border-radius:50%;background-image:var(--g-soft);display:flex;align-items:center;justify-content:center;color:var(--c-brand);font-size:20px;font-weight:700;}
.faq-empty p{font-size:14.5px;color:var(--c-ink-3);margin:0 0 16px;}
@media (max-width:1023px){
  .faq-col-offset{margin-top:0;}
}

/* ---------- 客服渠道 ---------- */
.channel-list{display:flex;flex-direction:column;gap:14px;}
.channel-row{display:flex;gap:18px;align-items:flex-start;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);padding:20px 22px;transition:transform .24s cubic-bezier(.2,.7,.3,1),box-shadow .24s ease,border-color .24s ease;}
.channel-row:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#FFD8C5;}
.channel-badge{flex:0 0 auto;width:46px;height:46px;border-radius:14px;background-image:var(--g-soft);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;color:var(--c-brand);letter-spacing:.5px;}
.channel-body h3{font-size:16.5px;font-weight:700;margin-bottom:6px;}
.channel-body p{font-size:14.5px;color:var(--c-ink-2);}
.channel-time{flex:0 0 auto;margin-left:auto;padding:4px 12px;border-radius:var(--r-pill);background:var(--c-surface-2);color:#B25A2A;font-size:12px;letter-spacing:.4px;white-space:nowrap;}
@media (max-width:899px){
  .channel-row{flex-wrap:wrap;}
  .channel-time{margin-left:64px;}
}

/* ---------- 联系卡 ---------- */
.support-card{border-radius:var(--r-lg);border:1px solid var(--c-line);background:#fff;overflow:hidden;}
.support-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;padding:34px 36px;background-image:radial-gradient(420px 260px at 90% -20%,rgba(255,106,43,.13),transparent 70%),radial-gradient(320px 220px at 0% 120%,rgba(18,200,180,.10),transparent 70%);}
.support-copy h2{font-size:22px;font-weight:700;margin-bottom:10px;}
.support-copy p{font-size:15px;color:var(--c-ink-2);max-width:560px;}
.support-actions{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto;}
@media (max-width:899px){
  .support-inner{flex-direction:column;align-items:flex-start;padding:26px 22px;}
  .support-actions{width:100%;}
  .support-actions .btn{flex:1 1 180px;}
}

/* ---------- 轻量 CTA 条 ---------- */
.cta-strip{padding:0 0 88px;}
.cta-strip .inner{background:var(--c-surface-2);border:1px solid var(--c-line);border-radius:var(--r-xl);padding:30px 36px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.cta-strip h2{font-size:20px;font-weight:700;}
.cta-strip p{font-size:14.5px;color:var(--c-ink-2);margin-top:8px;max-width:620px;}
.cta-actions{display:flex;align-items:center;gap:22px;flex-wrap:wrap;flex:0 0 auto;}
.link-more{font-size:15px;font-weight:600;color:var(--c-brand);border-bottom:1px solid rgba(255,106,43,.4);padding-bottom:2px;transition:border-color .2s ease,color .2s ease;}
.link-more:hover{color:var(--c-brand-deep);border-bottom-width:2px;}
@media (max-width:1023px){.cta-strip{padding-bottom:64px;}}
@media (max-width:639px){.cta-strip{padding-bottom:48px;}.cta-strip .inner{padding:24px 20px;}}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:var(--c-dark);color:rgba(255,255,255,.7);padding-top:64px;}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background-image:var(--g-brand);}
.footer-grid{padding-bottom:8px;}
.footer-logo{display:flex;flex-direction:column;line-height:1.1;margin-bottom:16px;}
.footer-logo-main{font-size:20px;font-weight:800;color:#fff;letter-spacing:.4px;}
.footer-logo-sub{font-size:12.5px;font-weight:500;letter-spacing:2.4px;color:rgba(255,255,255,.55);margin-top:5px;}
.footer-brand p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.64);max-width:330px;}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:11px;}
.footer-col ul a{font-size:14.5px;color:rgba(255,255,255,.64);}
.footer-col ul a:hover{color:#fff;}
.footer-col ul span{font-size:14.5px;color:rgba(255,255,255,.52);}
.footer-bottom{margin-top:48px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0;}
.footer-bottom-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;}
.footer-bottom p{margin:0;font-size:13px;color:rgba(255,255,255,.5);letter-spacing:.3px;}
@media (max-width:639px){
  .site-footer{padding-top:48px;}
  .footer-bottom{margin-top:34px;}
  .footer-bottom-inner{flex-direction:column;align-items:flex-start;}
}

/* ---------- 返回顶部与入场 ---------- */
.to-top{position:fixed;right:24px;bottom:24px;width:44px;height:44px;border:0;border-radius:50%;background-image:var(--g-brand);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:var(--sh-2);cursor:pointer;opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .28s ease,transform .28s ease,visibility .28s ease;z-index:90;}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{box-shadow:var(--sh-3);}
@media (max-width:639px){.to-top{right:16px;bottom:16px;}}
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.3,1);}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
}