/* roulang page: index */
:root{
  --sk-ink:#1C1830;
  --sk-primary:#0E8F8C;
  --sk-primary-d:#0A6E6C;
  --sk-accent:#FF8A3D;
  --sk-star:#FFD166;
  --sk-bg:#FAF8F5;
  --sk-surface:#F1EFEA;
  --sk-line:rgba(28,24,48,0.10);
  --sk-muted:#6B6580;
  --sk-body-2:#3B3552;
  --sk-r-card:16px;
  --sk-r-lg:20px;
  --sk-r-btn:12px;
  --sk-sh-1:0 1px 2px rgba(28,24,48,.05);
  --sk-sh-2:0 14px 32px -12px rgba(28,24,48,.20);
  --sk-gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.75;color:var(--sk-ink);background:var(--sk-bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:var(--sk-primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--sk-primary-d);}
button{font-family:inherit;}
h1,h2,h3,h4,h5{margin:0;color:var(--sk-ink);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--sk-primary);outline-offset:3px;}
.sk-lock{overflow:hidden;}

/* 容器与板块 */
.sk-container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.sk-section{padding:96px 0;}
.sk-section--surface{background:var(--sk-surface);}
.sk-section--ink{background:var(--sk-ink);}
.sk-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12.5px;font-weight:700;letter-spacing:.12em;
  color:var(--sk-primary);margin:0 0 12px;
}
.sk-eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--sk-primary);}
.sk-h2{font-size:clamp(24px,2.4vw,34px);font-weight:700;line-height:1.3;letter-spacing:-.01em;}
.sk-lead{font-size:16px;line-height:1.8;color:var(--sk-muted);}
.sk-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:44px;}
.sk-section-head p{max-width:560px;margin-top:10px;}

/* 按钮 */
.sk-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--sk-r-btn);
  font-size:15px;font-weight:600;line-height:1;border:1.5px solid transparent;
  cursor:pointer;white-space:nowrap;
  transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.sk-btn-primary{background:var(--sk-accent);color:#fff;}
.sk-btn-primary:hover{background:#FF9C57;color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px -10px rgba(255,138,61,.55);}
.sk-btn-primary:active{transform:none;box-shadow:none;}
.sk-btn-ghost{background:transparent;border-color:var(--sk-ink);color:var(--sk-ink);}
.sk-btn-ghost:hover{background:var(--sk-ink);color:#fff;}
.sk-btn-quiet{background:#fff;border-color:var(--sk-line);color:var(--sk-ink);box-shadow:var(--sk-sh-1);}
.sk-btn-quiet:hover{border-color:rgba(14,143,140,.35);color:var(--sk-primary-d);}
.sk-btn-sm{height:40px;padding:0 20px;font-size:14px;}
.sk-btn-light{background:#fff;color:var(--sk-ink);}
.sk-btn-light:hover{background:#fff;color:var(--sk-primary-d);transform:translateY(-1px);}
.sk-btn-line{background:transparent;border-color:rgba(237,234,246,.45);color:#EDEAF6;}
.sk-btn-line:hover{background:rgba(237,234,246,.12);border-color:#EDEAF6;color:#fff;}
.sk-textlink{font-size:14px;font-weight:600;color:var(--sk-primary);display:inline-flex;align-items:center;gap:6px;}
.sk-textlink:hover{color:var(--sk-primary-d);text-decoration:underline;text-underline-offset:3px;}

/* 浮动 Dock 导航 */
.sk-dock{
  position:fixed;top:20px;left:50%;transform:translateX(-50%);z-index:1000;
  width:min(1120px,calc(100% - 64px));height:64px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:0 12px 0 22px;border-radius:999px;
  background:rgba(250,248,245,.94);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border:1px solid var(--sk-line);
  box-shadow:0 10px 30px -14px rgba(28,24,48,.28);
  transition:top .2s ease,height .2s ease,padding .2s ease;
}
.sk-dock.is-scrolled{top:12px;height:56px;}
.sk-logo{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--sk-ink);}
.sk-logo:hover{color:var(--sk-ink);}
.sk-logo-mark{width:24px;height:24px;flex:0 0 24px;color:var(--sk-primary);}
.sk-nav{display:flex;align-items:center;gap:4px;}
.sk-nav a{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 13px;
  font-size:14px;font-weight:500;color:var(--sk-ink);border-radius:999px;
  transition:color .18s ease,background .18s ease;
}
.sk-nav a:hover{color:var(--sk-primary-d);background:rgba(14,143,140,.08);}
.sk-nav a.is-active{color:var(--sk-primary-d);font-weight:600;}
.sk-nav a.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:6px;height:2px;
  border-radius:2px;background:var(--sk-primary);
}
.sk-dock-right{display:flex;align-items:center;gap:10px;}
.sk-search{
  width:40px;height:40px;border-radius:999px;border:1px solid var(--sk-line);
  background:#fff;color:var(--sk-muted);display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:color .18s ease,border-color .18s ease,background .18s ease;
}
.sk-search:hover{color:var(--sk-primary);border-color:rgba(14,143,140,.35);}
.sk-burger{
  display:none;width:44px;height:44px;border-radius:999px;border:1px solid var(--sk-line);
  background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer;
}
.sk-burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--sk-ink);transition:transform .2s ease,opacity .2s ease;}
.sk-burger.is-active span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.sk-burger.is-active span:nth-child(2){opacity:0;}
.sk-burger.is-active span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.sk-drawer{
  position:fixed;top:0;left:0;right:0;z-index:990;
  background:var(--sk-bg);border-bottom:1px solid var(--sk-line);
  padding:88px 20px 26px;
  transform:translateY(-110%);transition:transform .28s ease;
  box-shadow:0 20px 40px -22px rgba(28,24,48,.35);
}
.sk-drawer.is-open{transform:translateY(0);}
.sk-drawer nav{display:flex;flex-direction:column;}
.sk-drawer nav a{
  display:flex;align-items:center;height:52px;font-size:16px;font-weight:500;color:var(--sk-ink);
  border-bottom:1px solid var(--sk-line);
}
.sk-drawer nav a:last-child{border-bottom:0;}
.sk-drawer nav a.is-active{color:var(--sk-primary-d);font-weight:700;}
.sk-drawer .sk-btn{width:100%;margin-top:18px;}

/* Hero */
.sk-hero{
  position:relative;overflow:hidden;background:var(--sk-ink);color:#EDEAF6;
  padding:156px 0 96px;
}
.sk-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    radial-gradient(circle 2px at 7% 20%,rgba(255,255,255,.34),transparent),
    radial-gradient(circle 2px at 18% 68%,rgba(255,255,255,.22),transparent),
    radial-gradient(circle 3px at 28% 32%,rgba(255,255,255,.28),transparent),
    radial-gradient(circle 2px at 41% 12%,rgba(255,255,255,.20),transparent),
    radial-gradient(circle 2px at 52% 78%,rgba(255,255,255,.26),transparent),
    radial-gradient(circle 3px at 63% 26%,rgba(255,255,255,.18),transparent),
    radial-gradient(circle 2px at 72% 60%,rgba(255,255,255,.24),transparent),
    radial-gradient(circle 2px at 84% 18%,rgba(255,255,255,.30),transparent),
    radial-gradient(circle 3px at 92% 72%,rgba(255,255,255,.20),transparent),
    radial-gradient(circle 2px at 96% 40%,rgba(255,255,255,.16),transparent),
    radial-gradient(circle 2px at 12% 88%,rgba(255,255,255,.16),transparent),
    radial-gradient(circle 2px at 47% 46%,rgba(255,255,255,.14),transparent);
}
.sk-hero-grid{position:relative;display:grid;grid-template-columns:55fr 45fr;gap:56px;align-items:center;}
.sk-hero h1{
  color:#fff;font-size:clamp(30px,4.2vw,50px);line-height:1.16;letter-spacing:-.02em;font-weight:800;
}
.sk-hero-sub{margin:22px 0 32px;font-size:17px;line-height:1.8;color:rgba(237,234,246,.74);max-width:530px;}
.sk-hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
.sk-trust{display:flex;align-items:center;gap:12px;margin-top:34px;font-size:14px;color:rgba(237,234,246,.72);}
.sk-trust .sk-stars{color:var(--sk-star);letter-spacing:2px;font-size:15px;}
.sk-trust strong{color:#fff;font-weight:700;font-variant-numeric:tabular-nums;}
.sk-hero-media{position:relative;}
.sk-hero-img{
  border-radius:var(--sk-r-lg);overflow:hidden;aspect-ratio:16/11;
  border:1px solid rgba(255,255,255,.12);
  box-shadow:0 30px 70px -30px rgba(0,0,0,.75);
}
.sk-hero-img img{width:100%;height:100%;object-fit:cover;}
.sk-hero-mini{
  position:absolute;left:-26px;bottom:-26px;width:38%;aspect-ratio:4/3;
  border-radius:var(--sk-r-card);overflow:hidden;border:4px solid var(--sk-ink);
  box-shadow:0 18px 40px -18px rgba(0,0,0,.8);
}
.sk-hero-mini img{width:100%;height:100%;object-fit:cover;}

/* 保障条 */
.sk-assurance{background:var(--sk-surface);border-top:1px solid var(--sk-line);border-bottom:1px solid var(--sk-line);}
.sk-assurance-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:22px 0;}
.sk-assure{display:flex;align-items:flex-start;gap:12px;}
.sk-assure-ico{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;background:#fff;
  border:1px solid var(--sk-line);color:var(--sk-primary);
  display:inline-flex;align-items:center;justify-content:center;
}
.sk-assure-t{font-size:13.5px;font-weight:700;line-height:1.4;}
.sk-assure-s{font-size:12.5px;color:var(--sk-muted);line-height:1.5;margin-top:2px;}

/* 产品卡 */
.sk-grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--sk-gap);}
.sk-card{
  position:relative;display:flex;flex-direction:column;background:#fff;
  border:1px solid var(--sk-line);border-radius:var(--sk-r-card);
  padding:20px;box-shadow:var(--sk-sh-1);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.sk-card:hover{transform:translateY(-2px);box-shadow:var(--sk-sh-2);border-color:rgba(14,143,140,.35);}
.sk-card-media{
  display:block;border-radius:12px;overflow:hidden;aspect-ratio:16/10;background:var(--sk-surface);margin-bottom:16px;
}
.sk-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.sk-card:hover .sk-card-media img{transform:scale(1.03);}
.sk-tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  background:var(--sk-surface);color:var(--sk-primary-d);
  font-size:12px;font-weight:600;align-self:flex-start;
}
.sk-card-title{font-size:19px;font-weight:600;line-height:1.45;margin:10px 0 6px;}
.sk-card-title a{color:var(--sk-ink);}
.sk-card-title a:hover{color:var(--sk-primary-d);}
.sk-card-desc{font-size:14px;line-height:1.65;color:var(--sk-muted);margin-bottom:14px;}
.sk-card-meta{display:flex;align-items:baseline;gap:8px;margin-top:auto;font-variant-numeric:tabular-nums;}
.sk-price{font-size:19px;font-weight:700;color:var(--sk-ink);}
.sk-price small{font-size:12px;font-weight:500;color:var(--sk-muted);margin-left:2px;}
.sk-unit{font-size:12.5px;color:var(--sk-muted);}
.sk-card-foot{display:flex;align-items:center;justify-content:space-between;margin-top:14px;}
.sk-plus{
  width:44px;height:44px;flex:0 0 44px;border-radius:999px;background:var(--sk-accent);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:22px;line-height:1;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.sk-plus:hover{background:#FF9C57;color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px -10px rgba(255,138,61,.6);}

/* 分类入口 */
.sk-cat-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--sk-gap);}
.sk-cat{
  display:flex;align-items:center;gap:20px;padding:26px 28px;
  background:#fff;border:1px solid var(--sk-line);border-radius:var(--sk-r-card);
  box-shadow:var(--sk-sh-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.sk-cat:hover{transform:translateY(-2px);box-shadow:var(--sk-sh-2);border-color:rgba(14,143,140,.35);}
.sk-cat:nth-child(2){margin-top:28px;}
.sk-cat:nth-child(3){margin-top:-28px;}
.sk-cat-num{
  font-family:"Inter",system-ui,sans-serif;font-size:14px;font-weight:700;
  color:var(--sk-primary);font-variant-numeric:tabular-nums;
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;flex:0 0 44px;border-radius:999px;border:1.5px solid rgba(14,143,140,.4);
}
.sk-cat-body{display:flex;flex-direction:column;gap:4px;flex:1;min-width:0;}
.sk-cat-title{font-size:19px;font-weight:700;color:var(--sk-ink);line-height:1.4;}
.sk-cat-desc{font-size:13.5px;color:var(--sk-muted);line-height:1.6;}
.sk-cat-arrow{font-size:20px;color:var(--sk-primary);transition:transform .25s ease;line-height:1;}
.sk-cat:hover .sk-cat-arrow{transform:translateX(4px);}

/* 资讯卡 */
.sk-news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.sk-news{
  background:#fff;border:1px solid var(--sk-line);border-radius:var(--sk-r-card);
  box-shadow:var(--sk-sh-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.sk-news:hover{transform:translateY(-2px);box-shadow:var(--sk-sh-2);border-color:rgba(14,143,140,.35);}
.sk-news-link{display:flex;flex-direction:column;height:100%;padding:22px;color:inherit;}
.sk-news .sk-tag{align-self:flex-start;}
.sk-news h3{
  font-size:20px;font-weight:600;line-height:1.45;color:var(--sk-ink);
  margin:12px 0 8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.sk-news p{
  font-size:14px;line-height:1.7;color:var(--sk-muted);margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.sk-news-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;font-size:13px;color:var(--sk-muted);font-variant-numeric:tabular-nums;}
.sk-news-arrow{color:var(--sk-primary);font-size:16px;transition:transform .25s ease;}
.sk-news:hover .sk-news-arrow{transform:translateX(4px);}
.sk-empty{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  min-height:220px;border:1px dashed var(--sk-line);border-radius:var(--sk-r-card);
  background:#fff;color:var(--sk-muted);font-size:14px;text-align:center;padding:24px;
}
.sk-empty svg{color:var(--sk-primary);opacity:.6;}
.sk-news-more{display:flex;justify-content:center;margin-top:40px;}

/* 评价轮播 */
.sk-carousel-viewport{overflow:hidden;}
.sk-track{display:flex;gap:var(--sk-gap);transition:transform .4s ease;will-change:transform;}
.sk-slide{flex:0 0 calc((100% - 48px)/3);display:flex;}
.sk-review{
  display:flex;flex-direction:column;gap:14px;width:100%;height:100%;
  background:#fff;border:1px solid var(--sk-line);border-radius:var(--sk-r-card);
  padding:28px;box-shadow:var(--sk-sh-1);
}
.sk-stars{color:var(--sk-star);font-size:15px;letter-spacing:2px;line-height:1;}
.sk-review p{font-size:15px;line-height:1.8;color:var(--sk-body-2);flex:1;}
.sk-review-by{font-size:13px;color:var(--sk-muted);}
.sk-carousel-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:32px;}
.sk-arrow{
  width:40px;height:40px;border-radius:999px;border:1px solid var(--sk-line);background:#fff;
  color:var(--sk-ink);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  font-size:16px;line-height:1;transition:color .18s ease,border-color .18s ease,background .18s ease;
}
.sk-arrow:hover{color:var(--sk-primary);border-color:rgba(14,143,140,.4);background:#fff;}
.sk-arrow[disabled]{opacity:.35;cursor:not-allowed;}
.sk-dots{display:flex;align-items:center;gap:8px;}
.sk-dot{
  width:18px;height:6px;border-radius:999px;border:0;background:rgba(28,24,48,.16);
  cursor:pointer;padding:0;transition:background .2s ease,width .2s ease;
}
.sk-dot.is-active{background:var(--sk-primary);width:26px;}

/* FAQ */
.sk-faq-wrap{display:grid;grid-template-columns:0.85fr 1.15fr;gap:56px;align-items:start;}
.sk-faq-list{display:flex;flex-direction:column;gap:14px;}
.sk-faq-item{
  background:#fff;border:1px solid var(--sk-line);border-radius:var(--sk-r-card);
  padding:20px 24px;transition:border-color .2s ease,box-shadow .2s ease;
}
.sk-faq-item:hover{border-color:rgba(14,143,140,.28);}
.sk-faq-item.is-open{border-color:rgba(14,143,140,.45);box-shadow:var(--sk-sh-1);}
.sk-faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:18px;width:100%;
  background:none;border:0;padding:0;text-align:left;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--sk-ink);line-height:1.5;
}
.sk-faq-ico{
  width:26px;height:26px;flex:0 0 26px;border-radius:999px;border:1px solid var(--sk-line);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--sk-primary);font-size:16px;line-height:1;transition:transform .25s ease,background .2s ease;
}
.sk-faq-item.is-open .sk-faq-ico{transform:rotate(45deg);background:rgba(14,143,140,.1);}
.sk-faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .26s ease;}
.sk-faq-item.is-open .sk-faq-a{grid-template-rows:1fr;}
.sk-faq-a > div{overflow:hidden;}
.sk-faq-a p{font-size:15px;line-height:1.85;color:var(--sk-muted);padding-top:12px;}

/* 底部 CTA */
.sk-cta{position:relative;overflow:hidden;background:var(--sk-ink);color:#EDEAF6;padding:88px 0;}
.sk-cta::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    radial-gradient(circle 2px at 84% 24%,rgba(255,255,255,.26),transparent),
    radial-gradient(circle 3px at 91% 62%,rgba(255,255,255,.18),transparent),
    radial-gradient(circle 2px at 76% 78%,rgba(255,255,255,.20),transparent),
    radial-gradient(circle 2px at 97% 40%,rgba(255,255,255,.14),transparent);
}
.sk-cta-grid{position:relative;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;}
.sk-cta h2{color:#fff;font-size:clamp(24px,2.4vw,34px);line-height:1.3;font-weight:700;}
.sk-cta p{margin-top:12px;font-size:15px;line-height:1.8;color:rgba(237,234,246,.72);max-width:520px;}
.sk-cta-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap;}
.sk-cta-tel{font-size:15px;color:#EDEAF6;font-variant-numeric:tabular-nums;border-bottom:1px solid rgba(237,234,246,.35);padding-bottom:2px;}
.sk-cta-tel:hover{color:#fff;border-color:#fff;}

/* 页脚 */
.sk-footer{background:var(--sk-ink);color:#EDEAF6;padding:72px 0 32px;border-top:1px solid rgba(237,234,246,.08);}
.sk-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.sk-footer .sk-logo{color:#fff;font-size:18px;}
.sk-footer .sk-logo:hover{color:#fff;}
.sk-footer .sk-logo-mark{color:var(--sk-star);}
.sk-footer-brand p{font-size:13px;line-height:1.85;color:rgba(237,234,246,.62);margin-top:14px;max-width:320px;}
.sk-footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.sk-footer-col li{font-size:13.5px;line-height:1.9;color:rgba(237,234,246,.62);}
.sk-footer-col a{color:rgba(237,234,246,.62);}
.sk-footer-col a:hover{color:#fff;}
.sk-footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(237,234,246,.1);
  font-size:12px;color:rgba(237,234,246,.55);
}
.sk-footer-bottom p{margin:0;}

/* 响应式 */
@media (max-width:1199px){
  .sk-grid-4{grid-template-columns:repeat(3,1fr);}
  .sk-slide{flex:0 0 calc((100% - 24px)/2);}
}
@media (max-width:991px){
  .sk-container{padding:0 24px;}
  .sk-section{padding:72px 0;}
  .sk-dock{width:calc(100% - 24px);left:12px;transform:none;height:56px;padding:0 10px 0 16px;top:12px;}
  .sk-dock.is-scrolled{top:8px;height:52px;}
  .sk-nav{display:none;}
  .sk-search{display:none;}
  .sk-burger{display:flex;}
  .sk-hero{padding:112px 0 72px;}
  .sk-hero-grid{grid-template-columns:1fr;gap:36px;}
  .sk-hero-img{aspect-ratio:16/9;}
  .sk-hero-mini{display:none;}
  .sk-assurance-grid{grid-template-columns:1fr 1fr;padding:24px 0;}
  .sk-grid-4{grid-template-columns:repeat(2,1fr);}
  .sk-cat-grid{grid-template-columns:1fr;}
  .sk-cat:nth-child(2),.sk-cat:nth-child(3){margin-top:0;}
  .sk-news-grid{grid-template-columns:1fr 1fr;}
  .sk-faq-wrap{grid-template-columns:1fr;gap:32px;}
  .sk-footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .sk-cta{padding:64px 0;}
}
@media (max-width:767px){
  .sk-slide{flex:0 0 100%;}
  .sk-news-grid{grid-template-columns:1fr;}
  .sk-hero h1{font-size:clamp(26px,7vw,34px);}
  .sk-hero-sub{font-size:15.5px;margin:18px 0 26px;}
  .sk-hero-actions .sk-btn{flex:1 1 auto;}
  .sk-cta-grid{flex-direction:column;align-items:flex-start;}
  .sk-cta-actions{width:100%;}
  .sk-cta-actions .sk-btn{width:100%;}
}
@media (max-width:575px){
  .sk-container{padding:0 18px;}
  .sk-section{padding:56px 0;}
  .sk-grid-4{grid-template-columns:1fr;gap:16px;}
  .sk-card{padding:16px;}
  .sk-news-link{padding:18px;}
  .sk-review{padding:22px;}
  .sk-faq-item{padding:16px 18px;}
  .sk-faq-q{font-size:16px;}
  .sk-assurance-grid{grid-template-columns:1fr 1fr;gap:16px;}
  .sk-footer{padding:56px 0 28px;}
  .sk-footer-grid{grid-template-columns:1fr;gap:28px;}
  .sk-footer-bottom{flex-direction:column;align-items:flex-start;}
  .sk-section-head{margin-bottom:28px;}
}

/* roulang page: category1 */
:root{
  --sk-ink:#1C1830;
  --sk-primary:#0E8F8C;
  --sk-primary-d:#0A6E6C;
  --sk-accent:#FF8A3D;
  --sk-accent-h:#FF9C57;
  --sk-star:#FFD166;
  --sk-bg:#FAF8F5;
  --sk-surface:#F1EFEA;
  --sk-line:rgba(28,24,48,.10);
  --sk-line-strong:rgba(28,24,48,.18);
  --sk-muted:#6B6580;
  --sk-on-dark:#EDEAF6;
  --sk-on-dark-soft:rgba(237,234,246,.66);
  --sk-r-card:16px;
  --sk-r-lg:20px;
  --sk-r-btn:12px;
  --sk-shadow-1:0 1px 2px rgba(28,24,48,.05);
  --sk-shadow-2:0 14px 32px -12px rgba(28,24,48,.20);
  --sk-shadow-dock:0 10px 30px -14px rgba(28,24,48,.28);
  --sk-font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --sk-num:"Inter",system-ui,"PingFang SC",sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--sk-bg);
  color:var(--sk-ink);
  font-family:var(--sk-font);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--sk-primary);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--sk-primary-d)}
button{font-family:inherit}
h1,h2,h3,h4,h5{margin:0;color:var(--sk-ink);font-weight:700;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:rgba(14,143,140,.18)}

.sk-container{width:min(1200px,100%);margin:0 auto;padding:0 32px}

/* ============ Header Dock ============ */
.sk-header{
  position:fixed;top:20px;left:0;right:0;z-index:1040;
  display:flex;justify-content:center;padding:0 32px;
  transition:top .2s ease;
}
.sk-header.is-scrolled{top:12px}
.sk-dock{
  width:min(1120px,100%);
  height:64px;
  display:flex;align-items:center;gap:18px;
  padding:0 12px 0 22px;
  border-radius:999px;
  background:rgba(250,248,245,.94);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border:1px solid var(--sk-line);
  box-shadow:var(--sk-shadow-dock);
  transition:height .2s ease;
}
.sk-header.is-scrolled .sk-dock{height:56px}
.sk-logo{
  display:inline-flex;align-items:center;gap:9px;
  font-size:18px;font-weight:700;color:var(--sk-ink);
  letter-spacing:-.01em;white-space:nowrap;
}
.sk-logo:hover{color:var(--sk-ink)}
.sk-logo-mark{width:22px;height:22px;color:var(--sk-primary);flex:0 0 auto}
.sk-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.sk-nav a{
  position:relative;
  padding:8px 12px;border-radius:999px;
  font-size:14px;font-weight:500;color:var(--sk-muted);
  white-space:nowrap;transition:color .18s ease,background .18s ease;
}
.sk-nav a:hover{color:var(--sk-ink);background:rgba(28,24,48,.05)}
.sk-nav a.is-active{color:var(--sk-ink);font-weight:600}
.sk-nav a.is-active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:12px;height:2px;border-radius:2px;background:var(--sk-primary);
}
.sk-dock-actions{display:flex;align-items:center;gap:8px}
.sk-icon-btn{
  width:40px;height:40px;border-radius:999px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid transparent;background:transparent;color:var(--sk-muted);
  cursor:pointer;transition:all .18s ease;
}
.sk-icon-btn:hover{color:var(--sk-ink);background:rgba(28,24,48,.06)}
.sk-icon-btn:focus-visible{outline:2px solid var(--sk-primary);outline-offset:2px}
.sk-burger{display:none}

/* Drawer */
.sk-drawer{
  position:fixed;top:0;left:12px;right:12px;z-index:1050;
  background:var(--sk-bg);
  border-radius:0 0 24px 24px;
  border:1px solid var(--sk-line);
  box-shadow:var(--sk-shadow-2);
  padding:16px 18px 20px;
  transform:translateY(-112%);
  transition:transform .28s cubic-bezier(.4,0,.2,1);
  max-height:88vh;overflow:auto;
}
.sk-drawer.is-open{transform:translateY(0)}
.sk-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.sk-drawer a{
  display:block;line-height:52px;padding:0 6px;
  font-size:15px;font-weight:500;color:var(--sk-ink);
  border-bottom:1px solid var(--sk-line);
}
.sk-drawer a:last-of-type{border-bottom:0}
.sk-drawer a.is-active{color:var(--sk-primary);font-weight:600}
.sk-drawer .sk-btn{width:100%;margin-top:14px;line-height:1;justify-content:center}
body.sk-lock{overflow:hidden}

/* ============ Buttons ============ */
.sk-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--sk-r-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1.5px solid transparent;cursor:pointer;
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;
}
.sk-btn:focus-visible{outline:2px solid var(--sk-primary);outline-offset:3px}
.sk-btn-accent{background:var(--sk-accent);color:#fff;box-shadow:0 6px 16px -10px rgba(255,138,61,.7)}
.sk-btn-accent:hover{background:var(--sk-accent-h);color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px -10px rgba(255,138,61,.55)}
.sk-btn-accent:active{transform:translateY(0);box-shadow:none}
.sk-btn-ghost{background:transparent;color:var(--sk-ink);border-color:var(--sk-ink)}
.sk-btn-ghost:hover{background:var(--sk-ink);color:#fff}
.sk-btn-line{background:transparent;color:var(--sk-ink);border-color:var(--sk-line-strong)}
.sk-btn-line:hover{background:var(--sk-ink);color:#fff;border-color:var(--sk-ink)}
.sk-btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:999px}
.sk-btn-white{background:#fff;color:var(--sk-ink)}
.sk-btn-white:hover{background:#fff;color:var(--sk-primary-d);transform:translateY(-1px)}
.sk-btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.sk-btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}

/* ============ Layout helpers ============ */
.sk-main{padding-top:116px}
.sk-section{padding:96px 0}
.sk-section--surface{background:var(--sk-surface)}
.sk-section--white{background:#fff}
.sk-eyebrow{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.14em;
  color:var(--sk-primary);margin-bottom:12px;
}
.sk-h2{font-size:clamp(24px,2.4vw,34px);line-height:1.3;font-weight:700}
.sk-lead{font-size:15px;line-height:1.85;color:var(--sk-muted)}
.sk-section-head{max-width:640px;margin-bottom:40px}
.sk-section-head p{margin-top:14px}

/* ============ Hero ============ */
.sk-hero{
  position:relative;overflow:hidden;
  background:var(--sk-surface);
  border-bottom:1px solid var(--sk-line);
}
.sk-hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle,rgba(14,143,140,.16) 1.5px,transparent 1.5px);
  background-size:64px 64px;opacity:.5;pointer-events:none;
}
.sk-hero-inner{
  position:relative;
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
  padding:72px 0 80px;
}
.sk-hero h1{
  font-size:clamp(30px,4vw,46px);
  line-height:1.16;font-weight:800;letter-spacing:-.02em;
  margin-bottom:18px;
}
.sk-hero .sk-hero-sub{
  font-size:16px;line-height:1.8;color:var(--sk-muted);
  max-width:520px;margin-bottom:28px;
}
.sk-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.sk-hero-trust{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:14px;color:var(--sk-muted);
}
.sk-stars{display:inline-flex;gap:2px;color:var(--sk-star);font-size:13px}
.sk-hero-trust b{font-family:var(--sk-num);font-variant-numeric:tabular-nums;color:var(--sk-ink);font-weight:700}
.sk-hero-media{position:relative}
.sk-hero-media .sk-hero-img{
  border-radius:var(--sk-r-lg);overflow:hidden;
  border:1px solid var(--sk-line);
  box-shadow:var(--sk-shadow-2);
  aspect-ratio:16/11;background:var(--sk-ink);
}
.sk-hero-media .sk-hero-img img{width:100%;height:100%;object-fit:cover}
.sk-hero-chip{
  position:absolute;left:-16px;bottom:-18px;
  background:#fff;border:1px solid var(--sk-line);
  border-radius:var(--sk-r-card);
  box-shadow:var(--sk-shadow-2);
  padding:14px 18px;min-width:180px;
}
.sk-hero-chip span{display:block;font-size:12px;color:var(--sk-muted);letter-spacing:.04em}
.sk-hero-chip strong{
  display:block;font-family:var(--sk-num);font-variant-numeric:tabular-nums;
  font-size:22px;font-weight:800;color:var(--sk-ink);letter-spacing:-.01em;
}

/* breadcrumb */
.sk-crumb{padding:20px 0 0}
.sk-crumb ol{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--sk-muted)}
.sk-crumb li::after{content:"/";margin-left:8px;color:rgba(28,24,48,.28)}
.sk-crumb li:last-child::after{content:""}
.sk-crumb a{color:var(--sk-muted)}
.sk-crumb a:hover{color:var(--sk-primary)}
.sk-crumb li[aria-current]{color:var(--sk-ink);font-weight:500}

/* ============ Product cards ============ */
.sk-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.sk-card{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--sk-line);
  border-radius:var(--sk-r-card);
  padding:20px;
  box-shadow:var(--sk-shadow-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.sk-card:hover{transform:translateY(-2px);border-color:rgba(14,143,140,.35);box-shadow:var(--sk-shadow-2)}
.sk-card-media{
  border-radius:12px;overflow:hidden;aspect-ratio:16/10;background:var(--sk-surface);
  margin-bottom:16px;
}
.sk-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.sk-card:hover .sk-card-media img{transform:scale(1.03)}
.sk-tag{
  display:inline-block;height:24px;line-height:24px;padding:0 10px;
  border-radius:999px;font-size:12px;font-weight:600;
  background:var(--sk-surface);color:var(--sk-primary);
  margin-bottom:10px;align-self:flex-start;
}
.sk-tag--accent{background:var(--sk-accent);color:#fff}
.sk-tag--star{background:rgba(255,209,102,.28);color:#8a6a12}
.sk-card h3{
  font-size:19px;line-height:1.45;font-weight:600;margin-bottom:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.sk-card-sell{font-size:14px;line-height:1.7;color:var(--sk-muted);margin-bottom:14px}
.sk-spec{
  display:flex;flex-wrap:wrap;gap:6px 14px;
  padding-top:14px;border-top:1px dashed var(--sk-line);
  font-size:13px;color:var(--sk-muted);
  font-family:var(--sk-num);font-variant-numeric:tabular-nums;
}
.sk-spec span{display:inline-flex;align-items:center;gap:5px}
.sk-spec i{color:var(--sk-primary);font-size:11px}
.sk-card-foot{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:16px;gap:12px;
}
.sk-link{
  font-size:14px;font-weight:600;color:var(--sk-primary);
  display:inline-flex;align-items:center;gap:6px;
}
.sk-link:hover{text-decoration:underline;text-underline-offset:3px}
.sk-plus{
  width:44px;height:44px;flex:0 0 auto;border-radius:999px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--sk-accent);color:#fff;font-size:14px;
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease;
  box-shadow:0 6px 16px -10px rgba(255,138,61,.8);
}
.sk-plus:hover{background:var(--sk-accent-h);color:#fff;transform:translateY(-1px)}
.sk-plus:focus-visible{outline:2px solid var(--sk-primary);outline-offset:3px}

/* ============ Spec strip ============ */
.sk-strip{
  background:var(--sk-ink);color:var(--sk-on-dark);
  border-radius:var(--sk-r-lg);
  padding:38px 40px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  position:relative;overflow:hidden;
}
.sk-strip::after{
  content:"";position:absolute;right:-40px;top:-40px;width:220px;height:220px;
  background-image:radial-gradient(circle,rgba(255,255,255,.22) 1.5px,transparent 1.5px);
  background-size:26px 26px;opacity:.5;pointer-events:none;
}
.sk-strip-item{position:relative;z-index:1}
.sk-strip-item .num{
  font-family:var(--sk-num);font-variant-numeric:tabular-nums;
  font-size:clamp(22px,2.4vw,30px);font-weight:800;letter-spacing:-.02em;
  color:#fff;display:block;margin-bottom:6px;
}
.sk-strip-item .num em{font-style:normal;font-size:15px;font-weight:600;color:var(--sk-on-dark-soft);margin-left:4px}
.sk-strip-item p{font-size:13px;color:var(--sk-on-dark-soft);line-height:1.6}

/* ============ Goal cards ============ */
.sk-goal-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.sk-goal{
  display:flex;gap:18px;align-items:flex-start;
  background:#fff;border:1px solid var(--sk-line);
  border-radius:var(--sk-r-card);padding:24px;
  box-shadow:var(--sk-shadow-1);
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.sk-goal:hover{border-color:rgba(14,143,140,.35);box-shadow:var(--sk-shadow-2);transform:translateY(-2px)}
.sk-goal-icon{
  width:48px;height:48px;flex:0 0 auto;border-radius:14px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(14,143,140,.10);color:var(--sk-primary);font-size:18px;
}
.sk-goal h3{font-size:18px;font-weight:600;margin-bottom:6px}
.sk-goal p{font-size:14px;line-height:1.75;color:var(--sk-muted)}
.sk-goal .sk-goal-meta{
  margin-top:10px;font-size:12px;color:var(--sk-primary);font-weight:600;
  font-family:var(--sk-num);font-variant-numeric:tabular-nums;
}

/* ============ FAQ ============ */
.sk-faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:56px;align-items:start}
.sk-faq-list{display:flex;flex-direction:column;gap:14px}
.sk-faq{
  background:#fff;border:1px solid var(--sk-line);
  border-radius:var(--sk-r-card);padding:0;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.sk-faq[open]{border-color:rgba(14,143,140,.45);box-shadow:var(--sk-shadow-1)}
.sk-faq summary{
  list-style:none;cursor:pointer;
  padding:20px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:17px;font-weight:600;color:var(--sk-ink);line-height:1.55;
}
.sk-faq summary::-webkit-details-marker{display:none}
.sk-faq summary::after{
  content:"+";flex:0 0 auto;
  width:26px;height:26px;border-radius:999px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--sk-surface);color:var(--sk-primary);
  font-size:16px;font-weight:700;line-height:1;
  transition:transform .2s ease,background .2s ease,color .2s ease;
}
.sk-faq[open] summary::after{transform:rotate(45deg);background:var(--sk-primary);color:#fff}
.sk-faq summary:focus-visible{outline:2px solid var(--sk-primary);outline-offset:-2px;border-radius:var(--sk-r-card)}
.sk-faq-body{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--sk-muted)}
.sk-faq-aside{
  background:var(--sk-surface);border:1px solid var(--sk-line);
  border-radius:var(--sk-r-card);padding:24px;margin-top:20px;
}
.sk-faq-aside p{font-size:14px;line-height:1.8;color:var(--sk-muted);margin-bottom:14px}
.sk-faq-aside strong{color:var(--sk-ink);font-family:var(--sk-num);font-variant-numeric:tabular-nums}

/* ============ CTA ============ */
.sk-cta{
  position:relative;overflow:hidden;
  background:var(--sk-ink);color:var(--sk-on-dark);
  border-radius:var(--sk-r-lg);
  padding:64px 56px;
}
.sk-cta::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle,rgba(255,255,255,.20) 1.5px,transparent 1.5px);
  background-size:52px 52px;opacity:.55;pointer-events:none;
}
.sk-cta-inner{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.4fr .6fr;gap:40px;align-items:center;
}
.sk-cta h2{
  color:#fff;font-size:clamp(24px,2.6vw,32px);line-height:1.3;font-weight:700;
  margin-bottom:14px;
}
.sk-cta p{font-size:15px;line-height:1.8;color:var(--sk-on-dark-soft);max-width:560px}
.sk-cta-actions{display:flex;flex-direction:column;gap:14px;align-items:flex-start}
.sk-cta-tel{
  display:inline-flex;align-items:center;gap:9px;
  font-size:15px;font-weight:600;color:#fff;
  font-family:var(--sk-num);font-variant-numeric:tabular-nums;
}
.sk-cta-tel:hover{color:var(--sk-star)}
.sk-cta-tel i{color:var(--sk-star)}
.sk-cta-note{font-size:12px;color:rgba(237,234,246,.55)}

/* ============ Footer ============ */
.sk-footer{
  background:var(--sk-ink);color:var(--sk-on-dark);
  margin-top:96px;padding:72px 0 28px;
  position:relative;overflow:hidden;
}
.sk-footer::before{
  content:"";position:absolute;left:6%;top:26px;width:180px;height:120px;
  background-image:radial-gradient(circle,rgba(255,255,255,.28) 1.5px,transparent 1.5px);
  background-size:28px 28px;opacity:.4;pointer-events:none;
}
.sk-footer-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:48px;border-bottom:1px solid rgba(237,234,246,.12);
}
.sk-footer-brand .sk-logo{color:#fff;margin-bottom:16px}
.sk-footer-brand .sk-logo-mark{color:var(--sk-star)}
.sk-footer-brand p{font-size:13px;line-height:1.9;color:var(--sk-on-dark-soft);margin-bottom:8px;max-width:320px}
.sk-footer-col h4{
  font-size:14px;font-weight:600;color:#fff;margin-bottom:18px;letter-spacing:.02em;
}
.sk-footer-col ul{display:flex;flex-direction:column;gap:11px}
.sk-footer-col li{font-size:13px;color:var(--sk-on-dark-soft);line-height:1.7}
.sk-footer-col a{color:var(--sk-on-dark-soft);font-size:13px}
.sk-footer-col a:hover{color:#fff}
.sk-footer-bottom{
  position:relative;z-index:1;
  padding-top:22px;
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
}
.sk-footer-bottom p{font-size:12px;color:rgba(237,234,246,.55);line-height:1.7}

/* ============ Responsive ============ */
@media (max-width:1199px){
  .sk-container{padding:0 24px}
  .sk-hero-inner{gap:36px}
  .sk-grid-3{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991px){
  .sk-header{top:12px;padding:0 12px}
  .sk-dock{height:56px;padding:0 10px 0 16px;gap:10px}
  .sk-header.is-scrolled .sk-dock{height:56px}
  .sk-nav{display:none}
  .sk-dock-actions{margin-left:auto}
  .sk-dock-actions .sk-btn{display:none}
  .sk-burger{display:inline-flex;background:var(--sk-surface)}
  .sk-main{padding-top:96px}
  .sk-section{padding:72px 0}
  .sk-hero-inner{grid-template-columns:1fr;padding:44px 0 64px;gap:40px}
  .sk-hero .sk-hero-sub{max-width:none}
  .sk-hero-chip{left:auto;right:12px;bottom:-16px}
  .sk-strip{grid-template-columns:repeat(2,1fr);padding:30px 26px}
  .sk-faq-wrap{grid-template-columns:1fr;gap:32px}
  .sk-cta{padding:44px 32px}
  .sk-cta-inner{grid-template-columns:1fr;gap:28px}
  .sk-cta-actions{align-items:stretch}
  .sk-cta-actions .sk-btn{width:100%}
  .sk-footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .sk-footer{margin-top:72px;padding-top:56px}
}
@media (max-width:768px){
  .sk-grid-3{grid-template-columns:1fr;gap:16px}
  .sk-goal-grid{grid-template-columns:1fr;gap:16px}
  .sk-section{padding:56px 0}
  .sk-section-head{margin-bottom:28px}
  .sk-card{padding:16px}
  .sk-hero-media .sk-hero-img{aspect-ratio:4/3}
  .sk-hero-actions .sk-btn{flex:1 1 auto;min-width:150px}
  .sk-strip{border-radius:16px;padding:26px 20px;gap:20px}
  .sk-cta{border-radius:16px;padding:36px 22px}
  .sk-footer-bottom{flex-direction:column}
}
@media (max-width:520px){
  .sk-container{padding:0 18px}
  .sk-logo{font-size:16px}
  .sk-logo-mark{width:20px;height:20px}
  .sk-hero h1{font-size:28px}
  .sk-hero-trust{font-size:13px}
  .sk-faq summary{font-size:15px;padding:16px 18px}
  .sk-faq-body{padding:0 18px 18px;font-size:14px}
  .sk-card h3{font-size:17px}
  .sk-btn{height:46px;padding:0 20px;font-size:14px}
  .sk-strip{grid-template-columns:1fr;gap:18px}
  .sk-footer-grid{grid-template-columns:1fr}
}

/* roulang page: article */
:root{
  --sk-ink:#1C1830;
  --sk-primary:#0E8F8C;
  --sk-primary-d:#0A6E6C;
  --sk-accent:#FF8A3D;
  --sk-accent-h:#FF9C57;
  --sk-star:#FFD166;
  --sk-bg:#FAF8F5;
  --sk-surface:#F1EFEA;
  --sk-line:rgba(28,24,48,.10);
  --sk-muted:#6B6580;
  --sk-on-dark:#EDEAF6;
  --sk-r-sm:12px;
  --sk-r-md:16px;
  --sk-r-lg:20px;
  --sk-r-pill:999px;
  --sk-sh-1:0 1px 2px rgba(28,24,48,.05);
  --sk-sh-2:0 14px 32px -12px rgba(28,24,48,.20);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--sk-ink);
  background:var(--sk-bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
body.sk-lock{overflow:hidden}
img{max-width:100%;display:block}
a{color:var(--sk-primary);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
a:hover{color:var(--sk-primary-d)}
p{margin:0 0 1em}
h1,h2,h3,h4,h5,h6{margin:0;color:var(--sk-ink);font-weight:700;line-height:1.3}
ul,ol{margin:0;padding:0}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--sk-primary);outline-offset:3px;border-radius:4px}
::selection{background:rgba(14,143,140,.18)}

/* ---------- 容器 ---------- */
.sk-container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

/* ---------- 顶部 Dock ---------- */
.sk-header{
  position:sticky;top:0;z-index:1030;
  padding:18px 0 12px;
  background:linear-gradient(to bottom,#FAF8F5 0%,#FAF8F5 78%,rgba(250,248,245,0) 100%);
}
.sk-dock{
  width:min(1120px,calc(100% - 64px));
  margin:0 auto;
  height:64px;
  display:flex;
  align-items:center;
  gap:18px;
  padding:0 12px 0 20px;
  background:rgba(250,248,245,.94);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border:1px solid var(--sk-line);
  border-radius:var(--sk-r-pill);
  box-shadow:0 10px 30px -14px rgba(28,24,48,.28);
}
.sk-logo{
  display:inline-flex;align-items:center;gap:9px;
  font-size:18px;font-weight:700;letter-spacing:-.01em;
  color:var(--sk-ink);white-space:nowrap;flex:none;
}
.sk-logo:hover{color:var(--sk-ink)}
.sk-logo-mark{width:22px;height:22px;flex:none;color:var(--sk-primary)}
.sk-nav{
  display:flex;align-items:center;justify-content:center;
  gap:2px;flex:1;min-width:0;
}
.sk-nav a{
  position:relative;
  display:inline-flex;align-items:center;
  height:40px;padding:0 12px;
  font-size:14px;font-weight:500;color:#3a3550;
  border-radius:var(--sk-r-pill);
  white-space:nowrap;
  transition:color .2s ease,background-color .2s ease;
}
.sk-nav a:hover{color:var(--sk-primary);background:rgba(14,143,140,.08)}
.sk-nav a.is-active{color:var(--sk-primary);font-weight:600}
.sk-nav a.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;
  height:2px;border-radius:2px;background:var(--sk-primary);
}
.sk-dock-actions{display:flex;align-items:center;gap:6px;flex:none;margin-left:auto}
.sk-icon-btn{
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid transparent;border-radius:var(--sk-r-pill);
  background:transparent;color:#3a3550;font-size:15px;cursor:pointer;
  transition:background-color .2s ease,color .2s ease;
}
.sk-icon-btn:hover{background:var(--sk-surface);color:var(--sk-primary)}
.sk-burger{
  display:none;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  width:44px;height:44px;border:0;background:transparent;cursor:pointer;
  border-radius:var(--sk-r-sm);transition:background-color .2s ease;
}
.sk-burger span{display:block;width:20px;height:2px;border-radius:2px;background:var(--sk-ink);transition:background-color .2s ease}
.sk-burger:hover{background:var(--sk-surface)}

/* ---------- 移动端抽屉 ---------- */
.sk-mobile-panel{
  display:none;
  margin:10px 12px 0;
  padding:10px;
  background:#fff;
  border:1px solid var(--sk-line);
  border-radius:18px;
  box-shadow:var(--sk-sh-2);
}
.sk-mobile-panel.is-open{display:block}
.sk-mobile-panel a{
  display:flex;align-items:center;
  height:52px;padding:0 16px;
  font-size:15px;color:#3a3550;
  border-radius:var(--sk-r-sm);
}
.sk-mobile-panel a:hover{background:var(--sk-surface);color:var(--sk-primary)}
.sk-mobile-panel .sk-mobile-cta{
  margin-top:8px;
  justify-content:center;
  background:var(--sk-accent);color:#fff;font-weight:600;
}
.sk-mobile-panel .sk-mobile-cta:hover{background:var(--sk-accent-h);color:#fff}

/* ---------- 按钮 ---------- */
.sk-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;
  border:1.5px solid transparent;border-radius:var(--sk-r-sm);
  font-size:15px;font-weight:600;line-height:1;
  cursor:pointer;white-space:nowrap;
  transition:background-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.sk-btn-accent{background:var(--sk-accent);color:#fff}
.sk-btn-accent:hover{background:var(--sk-accent-h);color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px -10px rgba(255,138,61,.55)}
.sk-btn-accent:active{transform:none;box-shadow:none}
.sk-btn-ghost{background:transparent;border-color:var(--sk-ink);color:var(--sk-ink)}
.sk-btn-ghost:hover{background:var(--sk-ink);color:#fff}
.sk-btn-white{background:#fff;color:var(--sk-ink);border-color:#fff}
.sk-btn-white:hover{background:#fff;color:var(--sk-primary-d);transform:translateY(-1px)}
.sk-btn-outline-light{background:transparent;border-color:rgba(237,234,246,.5);color:var(--sk-on-dark)}
.sk-btn-outline-light:hover{background:rgba(237,234,246,.12);color:#fff;border-color:rgba(237,234,246,.8)}
.sk-btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:var(--sk-r-pill)}
.sk-btn-block{width:100%}

/* ---------- 徽章 ---------- */
.sk-badge{
  display:inline-flex;align-items:center;
  height:26px;padding:0 10px;
  border-radius:var(--sk-r-pill);
  background:var(--sk-surface);color:var(--sk-primary);
  font-size:12px;font-weight:600;line-height:1;
}
.sk-badge-accent{background:var(--sk-accent);color:#fff}
.sk-eyebrow{
  display:inline-block;
  font-size:12.5px;font-weight:600;letter-spacing:.12em;
  color:var(--sk-primary);margin-bottom:14px;
}

/* ---------- 面包屑 ---------- */
.sk-crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--sk-muted);
  margin-bottom:26px;
}
.sk-crumbs a{color:var(--sk-muted)}
.sk-crumbs a:hover{color:var(--sk-primary);text-decoration:underline;text-underline-offset:3px}
.sk-crumbs .sk-crumb-sep{color:rgba(28,24,48,.28)}
.sk-crumb-current{
  color:var(--sk-ink);
  max-width:56ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

/* ---------- 文章头部 ---------- */
.sk-article-hero{padding:44px 0 0}
.sk-article-head{max-width:820px}
.sk-article-head h1{
  font-size:clamp(28px,3.6vw,42px);
  font-weight:800;line-height:1.22;letter-spacing:-.02em;
  margin:0 0 20px;
}
.sk-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  font-size:13px;color:var(--sk-muted);
  padding-bottom:26px;
  border-bottom:1px solid var(--sk-line);
}
.sk-meta .sk-meta-dot{width:4px;height:4px;border-radius:50%;background:rgba(28,24,48,.2)}
.sk-meta i{color:var(--sk-primary);font-size:13px}

/* ---------- 文章布局 ---------- */
.sk-article-main{padding:44px 0 96px}
.sk-article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:52px;
  align-items:start;
}
.sk-article-body{
  max-width:760px;
  font-size:17px;line-height:1.9;color:#3a3550;
}
.sk-article-body p{margin:0 0 1.2em}
.sk-article-body h2{
  font-size:clamp(22px,2.2vw,28px);
  font-weight:700;line-height:1.35;
  margin:40px 0 16px;color:var(--sk-ink);
}
.sk-article-body h3{
  font-size:20px;font-weight:600;line-height:1.45;
  margin:28px 0 12px;color:var(--sk-ink);
}
.sk-article-body h4{font-size:17px;font-weight:600;margin:22px 0 10px;color:var(--sk-ink)}
.sk-article-body a{text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.sk-article-body blockquote{
  margin:26px 0;padding:18px 22px;
  border-left:3px solid var(--sk-primary);
  background:var(--sk-surface);
  border-radius:0 var(--sk-r-sm) var(--sk-r-sm) 0;
  color:#3a3550;
}
.sk-article-body blockquote p:last-child{margin-bottom:0}
.sk-article-body ul,.sk-article-body ol{padding-left:1.35em;margin:0 0 1.2em}
.sk-article-body li{margin:.42em 0}
.sk-article-body ul>li::marker{color:var(--sk-primary)}
.sk-article-body ol>li::marker{color:var(--sk-primary);font-weight:600}
.sk-article-body img{
  max-width:100%;height:auto;
  border-radius:var(--sk-r-md);
  margin:26px auto;
  box-shadow:var(--sk-sh-1);
}
.sk-article-body figure{margin:26px 0}
.sk-article-body figcaption{font-size:13px;color:var(--sk-muted);text-align:center;margin-top:10px}
.sk-article-body table{
  width:100%;border-collapse:collapse;
  margin:26px 0;font-size:15px;line-height:1.7;
  border:1px solid var(--sk-line);border-radius:var(--sk-r-sm);overflow:hidden;
}
.sk-article-body th,.sk-article-body td{
  border:1px solid var(--sk-line);
  padding:12px 14px;text-align:left;vertical-align:top;
}
.sk-article-body th{background:var(--sk-surface);font-weight:600;color:var(--sk-ink)}
.sk-article-body hr{border:0;border-top:1px solid var(--sk-line);margin:36px 0}
.sk-article-body strong{color:var(--sk-ink)}

.sk-empty{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;
  min-height:220px;padding:40px 22px;
  background:#fff;border:1px dashed var(--sk-line);border-radius:var(--sk-r-md);
  text-align:center;color:var(--sk-muted);font-size:14px;
}
.sk-empty i{font-size:22px;color:var(--sk-primary)}

/* ---------- 文末 ---------- */
.sk-article-foot{
  max-width:760px;
  margin-top:52px;padding-top:28px;
  border-top:1px solid var(--sk-line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
}
.sk-tags{display:flex;flex-wrap:wrap;gap:8px}
.sk-tags .sk-badge{background:var(--sk-surface);color:var(--sk-primary-d)}

/* ---------- 侧栏 ---------- */
.sk-sidebar{
  position:sticky;top:110px;
  display:flex;flex-direction:column;gap:20px;
}
.sk-side-card{
  background:#fff;
  border:1px solid var(--sk-line);
  border-radius:var(--sk-r-md);
  padding:22px;
  box-shadow:var(--sk-sh-1);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.sk-side-card:hover{border-color:rgba(14,143,140,.35);box-shadow:var(--sk-sh-2)}
.sk-side-card.is-cta{border-color:rgba(14,143,140,.35)}
.sk-side-card h3{font-size:16px;font-weight:600;margin:0 0 10px}
.sk-side-card p{font-size:13.5px;line-height:1.8;color:var(--sk-muted);margin:0 0 16px}
.sk-side-note{font-size:12px;color:rgba(28,24,48,.45);margin:12px 0 0;text-align:center}
.sk-side-list{list-style:none;margin:0;padding:0}
.sk-side-list li{margin:0 0 12px}
.sk-side-list li:last-child{margin-bottom:0}
.sk-side-list a{
  display:inline-flex;align-items:center;gap:9px;
  font-size:14px;color:#3a3550;
}
.sk-side-list a i{font-size:11px;color:var(--sk-primary)}
.sk-side-list a:hover{color:var(--sk-primary)}

/* ---------- 深色 CTA ---------- */
.sk-cta-band{
  position:relative;overflow:hidden;
  background:var(--sk-ink);
  color:var(--sk-on-dark);
  padding:96px 0;
}
.sk-cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    radial-gradient(circle at 12% 24%,rgba(255,255,255,.42) 0 1.6px,transparent 2.2px),
    radial-gradient(circle at 22% 72%,rgba(255,255,255,.28) 0 1.4px,transparent 2px),
    radial-gradient(circle at 33% 38%,rgba(255,209,102,.42) 0 1.8px,transparent 2.4px),
    radial-gradient(circle at 46% 82%,rgba(255,255,255,.24) 0 1.2px,transparent 1.8px),
    radial-gradient(circle at 58% 18%,rgba(255,255,255,.34) 0 1.5px,transparent 2.1px),
    radial-gradient(circle at 68% 62%,rgba(255,255,255,.26) 0 1.3px,transparent 1.9px),
    radial-gradient(circle at 78% 30%,rgba(255,209,102,.36) 0 1.7px,transparent 2.3px),
    radial-gradient(circle at 88% 76%,rgba(255,255,255,.30) 0 1.4px,transparent 2px),
    radial-gradient(circle at 94% 20%,rgba(255,255,255,.22) 0 1.2px,transparent 1.8px);
}
.sk-cta-inner{position:relative;z-index:2;max-width:720px}
.sk-cta-inner h2{
  font-size:clamp(24px,2.8vw,34px);font-weight:700;
  color:#fff;line-height:1.3;margin:0 0 14px;
}
.sk-cta-inner p{
  color:rgba(237,234,246,.72);font-size:16px;line-height:1.8;
  margin:0 0 28px;max-width:560px;
}
.sk-cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px}

/* ---------- 页脚 ---------- */
.sk-footer{
  background:var(--sk-ink);
  color:rgba(237,234,246,.72);
  padding:72px 0 0;
  font-size:14px;
}
.sk-footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
}
.sk-footer-brand .sk-logo{color:#fff;font-size:18px}
.sk-footer-brand .sk-logo-mark{color:var(--sk-primary)}
.sk-footer-brand p{
  font-size:13px;line-height:1.85;
  color:rgba(237,234,246,.62);
  margin:14px 0 0;max-width:34ch;
}
.sk-footer-col h4{
  font-size:14px;font-weight:600;color:#fff;
  margin:0 0 16px;letter-spacing:.01em;
}
.sk-footer-col ul{list-style:none;margin:0;padding:0}
.sk-footer-col li{margin:0 0 10px;font-size:13px;line-height:1.7;color:rgba(237,234,246,.66)}
.sk-footer-col li:last-child{margin-bottom:0}
.sk-footer-col a{color:rgba(237,234,246,.72)}
.sk-footer-col a:hover{color:#fff}
.sk-footer-bottom{
  margin-top:48px;
  border-top:1px solid rgba(237,234,246,.14);
  padding:20px 0 28px;
  display:flex;justify-content:space-between;align-items:center;
  flex-wrap:wrap;gap:10px;
  font-size:12px;color:rgba(237,234,246,.55);
}
.sk-footer-bottom p{margin:0}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .sk-article-layout{grid-template-columns:minmax(0,1fr);gap:0}
  .sk-article-body{max-width:100%}
  .sk-article-foot{max-width:100%}
  .sk-sidebar{
    position:static;
    margin-top:48px;
    display:grid;grid-template-columns:1fr 1fr;gap:20px;
  }
}
@media (max-width:991px){
  .sk-container{padding:0 24px}
  .sk-header{padding:12px 0 10px}
  .sk-dock{
    height:56px;
    width:calc(100% - 24px);
    padding:0 8px 0 16px;
    gap:12px;
  }
  .sk-nav{display:none}
  .sk-burger{display:inline-flex}
  .sk-dock-cta{display:none}
  .sk-article-hero{padding:32px 0 0}
  .sk-article-main{padding:36px 0 72px}
  .sk-cta-band{padding:72px 0}
  .sk-footer{padding:56px 0 0}
  .sk-footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .sk-footer-brand p{max-width:100%}
}
@media (max-width:767px){
  .sk-container{padding:0 18px}
  .sk-crumbs{font-size:12.5px;margin-bottom:20px}
  .sk-crumb-current{max-width:100%;white-space:normal}
  .sk-article-head h1{font-size:clamp(24px,6.4vw,32px);margin-bottom:16px}
  .sk-meta{gap:10px;padding-bottom:20px}
  .sk-article-main{padding:28px 0 56px}
  .sk-article-body{font-size:16.5px;line-height:1.85}
  .sk-article-body h2{margin-top:32px}
  .sk-article-body table{display:block;overflow-x:auto;white-space:nowrap}
  .sk-sidebar{grid-template-columns:1fr;margin-top:40px}
  .sk-article-foot{flex-direction:column;align-items:flex-start}
  .sk-article-foot .sk-btn{width:100%}
  .sk-cta-band{padding:56px 0}
  .sk-cta-inner p{font-size:15px}
  .sk-cta-actions{flex-direction:column;align-items:stretch}
  .sk-cta-actions .sk-btn{width:100%}
  .sk-footer{padding:44px 0 0}
  .sk-footer-grid{grid-template-columns:1fr;gap:28px}
  .sk-footer-bottom{margin-top:32px;flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:520px){
  .sk-dock{padding:0 6px 0 14px}
  .sk-logo{font-size:16px}
  .sk-logo-mark{width:20px;height:20px}
  .sk-article-body{font-size:16px}
  .sk-btn{height:46px;padding:0 22px}
  .sk-btn-sm{height:38px;padding:0 16px}
}

/* roulang page: category2 */
:root{
  --sk-ink:#1C1830;
  --sk-primary:#0E8F8C;
  --sk-primary-d:#0A6E6C;
  --sk-accent:#FF8A3D;
  --sk-accent-l:#FF9C57;
  --sk-star:#FFD166;
  --sk-bg:#FAF8F5;
  --sk-surface:#F1EFEA;
  --sk-line:rgba(28,24,48,.10);
  --sk-line-2:rgba(14,143,140,.35);
  --sk-muted:#6B6580;
  --sk-radius:16px;
  --sk-radius-lg:20px;
  --sk-radius-sm:12px;
  --sk-shadow-1:0 1px 2px rgba(28,24,48,.05);
  --sk-shadow-2:0 14px 32px -12px rgba(28,24,48,.20);
  --sk-font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --sk-num:"Inter",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px;}
body{
  margin:0;
  background:var(--sk-bg);
  color:var(--sk-ink);
  font-family:var(--sk-font);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--sk-primary-d);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--sk-primary);}
button{font-family:inherit;}
h1,h2,h3,h4,h5{margin:0;color:var(--sk-ink);font-weight:700;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
::selection{background:rgba(14,143,140,.18);color:var(--sk-ink);}

.sk-container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}

/* ---------- 浮动 Dock 导航 ---------- */
.sk-header{
  position:sticky;
  top:12px;
  z-index:1030;
  padding:0 32px;
  margin-top:20px;
}
.sk-dock{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  width:100%;
  max-width:1120px;
  height:64px;
  margin:0 auto;
  padding:0 10px 0 22px;
  background:rgba(250,248,245,.94);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border:1px solid var(--sk-line);
  border-radius:999px;
  box-shadow:0 10px 30px -14px rgba(28,24,48,.28);
  transition:height .2s ease, box-shadow .2s ease;
}
.sk-logo{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:18px;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--sk-ink);
  white-space:nowrap;
}
.sk-logo:hover{color:var(--sk-primary-d);}
.sk-logo-mark{
  width:22px;
  height:22px;
  color:var(--sk-primary);
  flex:none;
}
.sk-nav{
  display:flex;
  align-items:center;
  gap:2px;
  margin:0 auto;
}
.sk-nav a{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 12px;
  border-radius:999px;
  font-size:14px;
  font-weight:500;
  color:var(--sk-muted);
  white-space:nowrap;
  transition:color .2s ease, background .2s ease;
}
.sk-nav a:hover{color:var(--sk-ink);background:rgba(14,143,140,.08);}
.sk-nav a.is-active{color:var(--sk-ink);font-weight:600;}
.sk-nav a.is-active::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:1px;
  width:16px;
  height:2px;
  margin-left:-8px;
  border-radius:2px;
  background:var(--sk-primary);
}
.sk-dock-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex:none;
}
.sk-burger{
  display:none;
  align-items:center;
  justify-content:center;
  width:44px;
  height:44px;
  border-radius:999px;
  border:1px solid var(--sk-line);
  background:#fff;
  color:var(--sk-ink);
  cursor:pointer;
  transition:border-color .2s ease, color .2s ease;
}
.sk-burger:hover{border-color:var(--sk-line-2);color:var(--sk-primary-d);}
.sk-burger:focus-visible{outline:2px solid var(--sk-primary);outline-offset:2px;}
.sk-drawer{
  display:none;
  position:absolute;
  left:0;
  right:0;
  top:calc(100% + 10px);
  padding:14px;
  background:var(--sk-bg);
  border:1px solid var(--sk-line);
  border-radius:20px;
  box-shadow:var(--sk-shadow-2);
}
.sk-drawer a{
  display:flex;
  align-items:center;
  height:52px;
  padding:0 16px;
  border-radius:12px;
  font-size:15px;
  font-weight:500;
  color:var(--sk-ink);
}
.sk-drawer a:hover{background:rgba(14,143,140,.08);color:var(--sk-primary-d);}
.sk-drawer a.is-active{color:var(--sk-primary-d);font-weight:600;background:rgba(14,143,140,.08);}
.sk-drawer .sk-btn{width:100%;margin-top:10px;}

/* ---------- 按钮 ---------- */
.sk-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 28px;
  border:1.5px solid transparent;
  border-radius:var(--sk-radius-sm);
  font-size:15px;
  font-weight:600;
  line-height:1;
  text-decoration:none;
  cursor:pointer;
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
}
.sk-btn:focus-visible{outline:2px solid var(--sk-primary);outline-offset:2px;}
.sk-btn-accent{background:var(--sk-accent);color:#fff;}
.sk-btn-accent:hover{background:var(--sk-accent-l);color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px -10px rgba(255,138,61,.55);}
.sk-btn-accent:active{transform:none;box-shadow:none;background:var(--sk-accent);}
.sk-btn-ghost{background:transparent;border-color:var(--sk-ink);color:var(--sk-ink);}
.sk-btn-ghost:hover{background:var(--sk-ink);color:#fff;}
.sk-btn-light{background:#fff;color:var(--sk-ink);}
.sk-btn-light:hover{background:#fff;color:var(--sk-primary-d);transform:translateY(-1px);box-shadow:0 12px 24px -10px rgba(0,0,0,.35);}
.sk-btn-outline-light{background:transparent;border-color:rgba(237,234,246,.5);color:#EDEAF6;}
.sk-btn-outline-light:hover{border-color:#EDEAF6;color:#fff;background:rgba(255,255,255,.08);}
.sk-btn-sm{height:40px;padding:0 20px;font-size:14px;border-radius:999px;}

.sk-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  color:var(--sk-primary-d);
}
.sk-link:hover{color:var(--sk-primary);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
.sk-link i{font-size:12px;}

/* ---------- 通用眉题、标题 ---------- */
.sk-eyebrow{
  display:inline-block;
  margin-bottom:14px;
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.12em;
  color:var(--sk-primary);
}
.sk-h2{
  font-size:clamp(24px,2.4vw,34px);
  line-height:1.3;
  font-weight:700;
  letter-spacing:-.01em;
}
.sk-section{padding:96px 0;}
.sk-section--surface{background:var(--sk-surface);}
.sk-section--white{background:#fff;}

/* ---------- 页头 ---------- */
.sk-pagehead{
  position:relative;
  padding:56px 0 64px;
  background:var(--sk-surface);
  border-bottom:1px solid var(--sk-line);
  overflow:hidden;
}
.sk-pagehead::after{
  content:"";
  position:absolute;
  right:-120px;
  top:-120px;
  width:420px;
  height:420px;
  border-radius:50%;
  background:radial-gradient(circle at center, rgba(14,143,140,.12), rgba(14,143,140,0) 70%);
  pointer-events:none;
}
.sk-pagehead .sk-container{position:relative;z-index:1;}
.sk-crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  margin-bottom:24px;
  font-size:13px;
  color:var(--sk-muted);
}
.sk-crumb a{color:var(--sk-muted);}
.sk-crumb a:hover{color:var(--sk-primary);}
.sk-crumb span.sep{opacity:.5;}
.sk-crumb strong{color:var(--sk-ink);font-weight:600;}
.sk-pagehead h1{
  max-width:840px;
  font-size:clamp(30px,4.2vw,50px);
  font-weight:800;
  line-height:1.16;
  letter-spacing:-.02em;
  margin-bottom:18px;
}
.sk-lead{
  max-width:720px;
  font-size:17px;
  line-height:1.8;
  color:var(--sk-muted);
  margin-bottom:28px;
}
.sk-pagehead-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-bottom:34px;
}
.sk-chips{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.sk-chip{
  display:inline-flex;
  align-items:center;
  gap:7px;
  height:40px;
  padding:0 18px;
  border-radius:999px;
  border:1px solid var(--sk-line);
  background:#fff;
  font-size:14px;
  font-weight:500;
  color:var(--sk-ink);
  box-shadow:var(--sk-shadow-1);
  transition:border-color .2s ease, color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.sk-chip:hover{
  border-color:var(--sk-line-2);
  color:var(--sk-primary-d);
  transform:translateY(-1px);
  box-shadow:var(--sk-shadow-2);
}
.sk-chip i{color:var(--sk-primary);font-size:12px;}

/* ---------- 图文交替 ---------- */
.sk-rows{padding:88px 0 32px;}
.sk-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
  padding:44px 0;
}
.sk-row + .sk-row{border-top:1px solid var(--sk-line);}
.sk-row-media{
  position:relative;
  border-radius:var(--sk-radius-lg);
  overflow:hidden;
  border:1px solid var(--sk-line);
  box-shadow:var(--sk-shadow-2);
  aspect-ratio:16/10;
  background:#fff;
}
.sk-row-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .4s ease;
}
.sk-row:hover .sk-row-media img{transform:scale(1.03);}
.sk-row--flip .sk-row-media{order:2;}
.sk-row--flip .sk-row-body{order:1;}
.sk-row-index{
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
  font-family:var(--sk-num);
  font-size:13px;
  font-weight:700;
  letter-spacing:.06em;
  color:var(--sk-primary);
}
.sk-row-index span.num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:30px;
  height:30px;
  border-radius:999px;
  border:1.5px solid var(--sk-primary);
  color:var(--sk-primary-d);
  font-size:13px;
}
.sk-row-body h2{
  font-size:clamp(22px,2.1vw,28px);
  line-height:1.35;
  font-weight:700;
  margin-bottom:16px;
  letter-spacing:-.01em;
}
.sk-row-body p{
  font-size:15px;
  line-height:1.85;
  color:var(--sk-muted);
  margin-bottom:14px;
}
.sk-row-points{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin:18px 0 22px;
}
.sk-point{
  display:inline-flex;
  align-items:center;
  gap:7px;
  height:32px;
  padding:0 12px;
  border-radius:999px;
  background:var(--sk-surface);
  font-size:13px;
  color:var(--sk-ink);
}
.sk-point i{color:var(--sk-primary);font-size:11px;}

/* ---------- 数据要点 ---------- */
.sk-stats{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  margin-top:44px;
}
.sk-stat{
  background:#fff;
  border:1px solid var(--sk-line);
  border-radius:var(--sk-radius);
  padding:28px 24px;
  box-shadow:var(--sk-shadow-1);
  transition:border-color .25s ease, box-shadow .25s ease, transform .25s ease;
}
.sk-stat:hover{
  border-color:var(--sk-line-2);
  box-shadow:var(--sk-shadow-2);
  transform:translateY(-2px);
}
.sk-stat .val{
  display:block;
  font-family:var(--sk-num);
  font-variant-numeric:tabular-nums;
  font-size:32px;
  font-weight:800;
  line-height:1.2;
  color:var(--sk-primary-d);
  margin-bottom:8px;
  letter-spacing:-.02em;
}
.sk-stat .lbl{
  display:block;
  font-size:15px;
  font-weight:600;
  color:var(--sk-ink);
  margin-bottom:8px;
}
.sk-stat p{
  font-size:14px;
  line-height:1.7;
  color:var(--sk-muted);
  margin:0;
}

/* ---------- 资讯卡 ---------- */
.sk-news{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
  margin-top:44px;
}
.sk-news-card{
  display:flex;
  flex-direction:column;
  background:#fff;
  border:1px solid var(--sk-line);
  border-radius:var(--sk-radius);
  overflow:hidden;
  box-shadow:var(--sk-shadow-1);
  transition:border-color .25s ease, box-shadow .25s ease, transform .25s ease;
}
.sk-news-card:hover{
  border-color:var(--sk-line-2);
  box-shadow:var(--sk-shadow-2);
  transform:translateY(-2px);
}
.sk-news-thumb{
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--sk-surface);
}
.sk-news-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .4s ease;
}
.sk-news-card:hover .sk-news-thumb img{transform:scale(1.04);}
.sk-news-body{
  padding:22px;
  display:flex;
  flex-direction:column;
  gap:12px;
  flex:1;
}
.sk-news-meta{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--sk-muted);
}
.sk-badge{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 10px;
  border-radius:999px;
  background:var(--sk-surface);
  color:var(--sk-primary-d);
  font-size:12px;
  font-weight:600;
  white-space:nowrap;
}
.sk-news-card h3{
  font-size:19px;
  line-height:1.45;
  font-weight:600;
}
.sk-news-card p{
  font-size:14px;
  line-height:1.7;
  color:var(--sk-muted);
  margin:0;
}
.sk-news-foot{
  margin-top:auto;
  padding-top:4px;
}

/* ---------- FAQ ---------- */
.sk-faq-wrap{
  display:grid;
  grid-template-columns:340px 1fr;
  gap:56px;
  align-items:start;
}
.sk-faq-intro p{
  margin-top:16px;
  font-size:15px;
  line-height:1.85;
  color:var(--sk-muted);
}
.sk-faq-list{display:flex;flex-direction:column;gap:14px;}
.sk-faq{
  background:#fff;
  border:1px solid var(--sk-line);
  border-radius:var(--sk-radius);
  padding:20px 24px;
  transition:border-color .25s ease, box-shadow .25s ease;
}
.sk-faq[open]{
  border-color:var(--sk-line-2);
  box-shadow:var(--sk-shadow-2);
}
.sk-faq summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  list-style:none;
  cursor:pointer;
  font-size:17px;
  font-weight:600;
  line-height:1.5;
  color:var(--sk-ink);
}
.sk-faq summary::-webkit-details-marker{display:none;}
.sk-faq summary:focus-visible{outline:2px solid var(--sk-primary);outline-offset:3px;border-radius:8px;}
.sk-faq .ico{
  flex:none;
  position:relative;
  width:22px;
  height:22px;
  border-radius:999px;
  border:1.5px solid var(--sk-line);
  transition:transform .25s ease, border-color .25s ease;
}
.sk-faq .ico::before,
.sk-faq .ico::after{
  content:"";
  position:absolute;
  background:var(--sk-primary-d);
  border-radius:2px;
}
.sk-faq .ico::before{left:50%;top:5px;width:1.5px;height:10px;margin-left:-.75px;}
.sk-faq .ico::after{top:50%;left:5px;height:1.5px;width:10px;margin-top:-.75px;}
.sk-faq[open] .ico{transform:rotate(45deg);border-color:var(--sk-line-2);}
.sk-faq .sk-faq-body{
  margin-top:12px;
  font-size:15px;
  line-height:1.85;
  color:var(--sk-muted);
}

/* ---------- 底部 CTA ---------- */
.sk-cta-band{
  position:relative;
  overflow:hidden;
  background:var(--sk-ink);
  border-radius:24px;
  padding:64px;
  color:#EDEAF6;
  box-shadow:var(--sk-shadow-2);
}
.sk-cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:
    radial-gradient(2px 2px at 8% 22%, rgba(255,255,255,.32), transparent 100%),
    radial-gradient(2px 2px at 18% 68%, rgba(255,255,255,.22), transparent 100%),
    radial-gradient(3px 3px at 34% 32%, rgba(255,255,255,.18), transparent 100%),
    radial-gradient(2px 2px at 46% 82%, rgba(255,255,255,.26), transparent 100%),
    radial-gradient(2px 2px at 62% 18%, rgba(255,255,255,.20), transparent 100%),
    radial-gradient(3px 3px at 76% 58%, rgba(255,255,255,.24), transparent 100%),
    radial-gradient(2px 2px at 88% 30%, rgba(255,255,255,.30), transparent 100%),
    radial-gradient(2px 2px at 94% 76%, rgba(255,255,255,.18), transparent 100%),
    radial-gradient(2px 2px at 26% 12%, rgba(255,255,255,.16), transparent 100%);
}
.sk-cta-inner{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:1.35fr .65fr;
  gap:48px;
  align-items:center;
}
.sk-cta-band h2{
  color:#fff;
  font-size:clamp(24px,2.6vw,34px);
  line-height:1.3;
  margin-bottom:14px;
}
.sk-cta-band p{
  color:rgba(237,234,246,.72);
  font-size:15px;
  line-height:1.85;
  max-width:520px;
}
.sk-cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:26px;
}
.sk-cta-tel{
  display:flex;
  flex-direction:column;
  gap:6px;
  padding-left:34px;
  border-left:1px solid rgba(237,234,246,.18);
}
.sk-cta-tel .lab{
  font-size:13px;
  letter-spacing:.08em;
  color:rgba(237,234,246,.55);
}
.sk-cta-tel a{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--sk-num);
  font-variant-numeric:tabular-nums;
  font-size:26px;
  font-weight:700;
  color:#fff;
  letter-spacing:-.01em;
}
.sk-cta-tel a:hover{color:var(--sk-star);}
.sk-cta-tel a i{font-size:18px;color:var(--sk-accent);}
.sk-cta-tel .note{
  font-size:13px;
  color:rgba(237,234,246,.55);
}

/* ---------- 页脚 ---------- */
.sk-footer{
  background:var(--sk-ink);
  color:rgba(237,234,246,.72);
  padding:72px 0 28px;
  margin-top:96px;
  position:relative;
  overflow:hidden;
}
.sk-footer::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:
    radial-gradient(2px 2px at 12% 18%, rgba(255,255,255,.22), transparent 100%),
    radial-gradient(2px 2px at 30% 60%, rgba(255,255,255,.14), transparent 100%),
    radial-gradient(2px 2px at 56% 24%, rgba(255,255,255,.16), transparent 100%),
    radial-gradient(3px 3px at 78% 52%, rgba(255,255,255,.14), transparent 100%),
    radial-gradient(2px 2px at 90% 22%, rgba(255,255,255,.18), transparent 100%);
}
.sk-footer .sk-container{position:relative;z-index:1;}
.sk-footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:48px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(237,234,246,.14);
}
.sk-footer-brand .sk-logo{
  color:#fff;
  font-size:18px;
  margin-bottom:16px;
}
.sk-footer-brand .sk-logo:hover{color:var(--sk-star);}
.sk-footer-brand .sk-logo-mark{color:var(--sk-star);}
.sk-footer-brand p{
  font-size:13px;
  line-height:1.8;
  color:rgba(237,234,246,.62);
  margin-bottom:10px;
  max-width:320px;
}
.sk-footer-col h4{
  color:#fff;
  font-size:15px;
  font-weight:600;
  margin-bottom:16px;
}
.sk-footer-col ul{
  display:flex;
  flex-direction:column;
  gap:10px;
}
.sk-footer-col li,
.sk-footer-col a{
  font-size:13.5px;
  line-height:1.7;
  color:rgba(237,234,246,.62);
}
.sk-footer-col a:hover{color:var(--sk-star);}
.sk-footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  padding-top:22px;
}
.sk-footer-bottom p{
  margin:0;
  font-size:12px;
  color:rgba(237,234,246,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .sk-container{padding:0 24px;}
  .sk-header{padding:0 24px;}
  .sk-nav a{padding:0 9px;font-size:13.5px;}
  .sk-row{gap:40px;}
  .sk-faq-wrap{grid-template-columns:1fr;gap:32px;}
}
@media (max-width:991.98px){
  .sk-header{padding:0 16px;top:10px;margin-top:14px;}
  .sk-dock{height:56px;padding:0 8px 0 16px;}
  .sk-nav{display:none;}
  .sk-burger{display:inline-flex;}
  .sk-drawer{display:block;opacity:0;visibility:hidden;transform:translateY(-10px);transition:opacity .22s ease, transform .22s ease, visibility .22s;}
  .sk-drawer.is-open{opacity:1;visibility:visible;transform:translateY(0);}
  .sk-dock-actions .sk-btn-accent{display:none;}
  .sk-section{padding:72px 0;}
  .sk-pagehead{padding:44px 0 52px;}
  .sk-row{grid-template-columns:1fr;gap:26px;padding:36px 0;}
  .sk-row--flip .sk-row-media{order:0;}
  .sk-row--flip .sk-row-body{order:0;}
  .sk-row-media{max-width:640px;}
  .sk-stats{grid-template-columns:1fr;gap:16px;}
  .sk-news{grid-template-columns:1fr;}
  .sk-cta-inner{grid-template-columns:1fr;gap:30px;}
  .sk-cta-band{padding:44px 32px;border-radius:20px;}
  .sk-cta-tel{padding-left:0;border-left:0;border-top:1px solid rgba(237,234,246,.18);padding-top:22px;}
  .sk-footer{padding:56px 0 24px;margin-top:72px;}
  .sk-footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767.98px){
  .sk-container{padding:0 18px;}
  .sk-header{padding:0 12px;}
  .sk-pagehead-actions{flex-direction:column;align-items:stretch;}
  .sk-pagehead-actions .sk-btn{width:100%;}
  .sk-rows{padding:56px 0 16px;}
  .sk-row-body p{font-size:15px;}
  .sk-cta-band{padding:36px 22px;}
  .sk-cta-actions{flex-direction:column;align-items:stretch;}
  .sk-cta-actions .sk-btn{width:100%;}
  .sk-footer-grid{grid-template-columns:1fr;gap:28px;}
  .sk-faq{padding:18px 18px;}
  .sk-faq summary{font-size:16px;}
  .sk-news-body{padding:18px;}
}
@media (max-width:519.98px){
  .sk-logo{font-size:16px;}
  .sk-pagehead h1{font-size:28px;}
  .sk-stat{padding:22px 18px;}
  .sk-stat .val{font-size:28px;}
  .sk-chip{height:36px;padding:0 14px;font-size:13px;}
  .sk-cta-tel a{font-size:22px;}
}

/* roulang page: category3 */
:root{
  --sk-ink:#1C1830;
  --sk-ink-2:#262140;
  --sk-primary:#0E8F8C;
  --sk-primary-d:#0A6E6C;
  --sk-accent:#FF8A3D;
  --sk-accent-l:#FF9C57;
  --sk-star:#FFD166;
  --sk-bg:#FAF8F5;
  --sk-surface:#F1EFEA;
  --sk-white:#ffffff;
  --sk-line:rgba(28,24,48,.10);
  --sk-muted:#6B6580;
  --sk-on-dark:#EDEAF6;
  --sk-on-dark-2:rgba(237,234,246,.66);
  --sk-r:16px;
  --sk-r-lg:20px;
  --sk-r-btn:12px;
  --sk-shadow:0 1px 2px rgba(28,24,48,.05);
  --sk-shadow-lg:0 14px 32px -12px rgba(28,24,48,.20);
  --sk-font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --sk-font-num:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:110px}
body{
  margin:0;
  font-family:var(--sk-font);
  font-size:16px;
  line-height:1.75;
  color:var(--sk-ink);
  background:var(--sk-bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
body.sk-lock{overflow:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--sk-primary)}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--sk-primary);outline-offset:3px;border-radius:6px}
::selection{background:rgba(14,143,140,.18)}

.sk-container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.sk-num{font-family:var(--sk-font-num);font-variant-numeric:tabular-nums}

/* ---------- Dock 导航 ---------- */
.sk-header{position:fixed;top:0;left:0;right:0;z-index:1030;pointer-events:none}
.sk-dock{
  pointer-events:auto;
  position:relative;
  margin:20px auto 0;
  width:min(1120px,calc(100% - 64px));
  height:64px;
  border-radius:999px;
  background:rgba(250,248,245,.94);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border:1px solid var(--sk-line);
  box-shadow:0 10px 30px -14px rgba(28,24,48,.28);
  display:flex;
  align-items:center;
  gap:18px;
  padding:0 12px 0 24px;
  transition:height .2s ease,margin-top .2s ease,box-shadow .2s ease;
}
.sk-dock.is-scrolled{height:56px;margin-top:12px;box-shadow:0 12px 28px -16px rgba(28,24,48,.36)}
.sk-logo{display:inline-flex;align-items:center;gap:9px;font-size:18px;font-weight:700;letter-spacing:-.01em;color:var(--sk-ink);flex:none}
.sk-logo:hover{color:var(--sk-ink)}
.sk-logo-mark{width:22px;height:22px;color:var(--sk-primary);flex:none}
.sk-nav{display:flex;align-items:center;gap:24px;margin:0 auto;font-size:14px;font-weight:500}
.sk-nav a{position:relative;padding:6px 0;color:var(--sk-ink);opacity:.74;transition:opacity .2s ease,color .2s ease;white-space:nowrap}
.sk-nav a:hover{opacity:1;color:var(--sk-primary)}
.sk-nav a.is-active{opacity:1;color:var(--sk-ink);font-weight:600}
.sk-nav a.is-active::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;border-radius:2px;background:var(--sk-primary)}
.sk-dock-actions{display:flex;align-items:center;gap:10px;flex:none}
.sk-icon-btn{
  width:44px;height:44px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--sk-ink);background:transparent;border:1px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.sk-icon-btn:hover{background:rgba(14,143,140,.10);color:var(--sk-primary);border-color:rgba(14,143,140,.22)}
.sk-burger{display:none;width:44px;height:44px;border-radius:50%;align-items:center;justify-content:center;flex-direction:column;gap:5px;border:1px solid var(--sk-line)}
.sk-burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--sk-ink);transition:transform .2s ease,opacity .2s ease}
.sk-burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.sk-burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.sk-burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.sk-search-panel{
  pointer-events:auto;
  position:absolute;
  top:96px;left:50%;transform:translate(-50%,-12px);
  width:min(560px,calc(100% - 32px));
  background:var(--sk-white);
  border:1px solid var(--sk-line);
  border-radius:var(--sk-r);
  box-shadow:var(--sk-shadow-lg);
  padding:22px;
  opacity:0;visibility:hidden;
  transition:opacity .2s ease,transform .2s ease,visibility .2s;
}
.sk-search-panel.is-open{opacity:1;visibility:visible;transform:translate(-50%,0)}
.sk-search-field{display:flex;align-items:center;gap:10px;border:1px solid var(--sk-line);border-radius:var(--sk-r-btn);height:48px;padding:0 14px;transition:border-color .2s ease,box-shadow .2s ease}
.sk-search-field:focus-within{border-color:var(--sk-primary);box-shadow:0 0 0 3px rgba(14,143,140,.14)}
.sk-search-field input{border:0;outline:0;flex:1;font-size:15px;background:transparent;color:var(--sk-ink)}
.sk-search-field i{color:var(--sk-muted);font-size:14px}
.sk-search-tips{margin-top:16px;font-size:13px;color:var(--sk-muted)}
.sk-search-tips .sk-search-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.sk-search-links a{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
  background:var(--sk-surface);color:var(--sk-primary-d);font-size:13px;font-weight:500;
  transition:background .2s ease,color .2s ease;
}
.sk-search-links a:hover{background:rgba(14,143,140,.12);color:var(--sk-primary-d)}

.sk-drawer{
  pointer-events:auto;
  position:absolute;top:0;left:0;right:0;
  background:var(--sk-bg);
  border-bottom:1px solid var(--sk-line);
  box-shadow:0 18px 36px -22px rgba(28,24,48,.4);
  padding:84px 20px 26px;
  transform:translateY(-102%);
  transition:transform .28s ease;
  border-radius:0 0 22px 22px;
}
.sk-drawer.is-open{transform:translateY(0)}
.sk-drawer nav{display:grid;gap:2px}
.sk-drawer nav a{
  display:flex;align-items:center;height:52px;padding:0 8px;border-radius:12px;
  font-size:16px;font-weight:500;color:var(--sk-ink);
  border-bottom:1px solid var(--sk-line);
}
.sk-drawer nav a:last-child{border-bottom:0}
.sk-drawer nav a.is-active{color:var(--sk-primary)}
.sk-drawer .sk-btn{width:100%;margin-top:18px}

/* ---------- 按钮 ---------- */
.sk-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--sk-r-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1.5px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.sk-btn i{font-size:14px}
.sk-btn-accent{background:var(--sk-accent);color:#fff}
.sk-btn-accent:hover{background:var(--sk-accent-l);color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px -10px rgba(255,138,61,.55)}
.sk-btn-accent:active{transform:translateY(0);box-shadow:none}
.sk-btn-outline{border-color:var(--sk-ink);color:var(--sk-ink);background:transparent}
.sk-btn-outline:hover{background:var(--sk-ink);color:#fff;border-color:var(--sk-ink)}
.sk-btn-light{background:#fff;color:var(--sk-ink)}
.sk-btn-light:hover{background:#fff;color:var(--sk-primary-d);transform:translateY(-1px);box-shadow:0 12px 24px -12px rgba(0,0,0,.4)}
.sk-btn-ghost{border-color:rgba(237,234,246,.55);color:var(--sk-on-dark);background:transparent}
.sk-btn-ghost:hover{background:rgba(237,234,246,.12);color:#fff;border-color:rgba(237,234,246,.8)}
.sk-btn-sm{height:40px;padding:0 20px;border-radius:999px;font-size:14px}
.sk-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--sk-primary);
  border-bottom:1px solid transparent;transition:border-color .2s ease,color .2s ease;
}
.sk-link:hover{color:var(--sk-primary-d);border-bottom-color:var(--sk-primary-d)}

/* ---------- Hero ---------- */
.sk-hero{
  position:relative;
  background-color:var(--sk-ink);
  background-image:linear-gradient(160deg,rgba(28,24,48,.90),rgba(28,24,48,.97)),url(/assets/images/backpic/back-1.png);
  background-size:cover;
  background-position:center;
  color:var(--sk-on-dark);
  padding:132px 0 68px;
  overflow:hidden;
}
.sk-hero::after{
  content:"";
  position:absolute;inset:0;pointer-events:none;
  background-image:
    radial-gradient(2px 2px at 16% 30%,rgba(255,209,102,.55),transparent 62%),
    radial-gradient(2px 2px at 58% 18%,rgba(237,234,246,.45),transparent 62%),
    radial-gradient(3px 3px at 84% 54%,rgba(255,209,102,.32),transparent 62%),
    radial-gradient(2px 2px at 38% 78%,rgba(237,234,246,.34),transparent 62%),
    radial-gradient(2px 2px at 92% 26%,rgba(237,234,246,.28),transparent 62%),
    radial-gradient(2px 2px at 70% 86%,rgba(255,209,102,.26),transparent 62%);
}
.sk-hero .sk-container{position:relative;z-index:2}
.sk-breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--sk-on-dark-2);margin-bottom:22px}
.sk-breadcrumb a{color:var(--sk-on-dark-2)}
.sk-breadcrumb a:hover{color:var(--sk-star)}
.sk-breadcrumb i{font-size:9px;opacity:.6}
.sk-breadcrumb .current{color:var(--sk-on-dark);font-weight:500}
.sk-hero-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--sk-star);margin-bottom:14px}
.sk-hero-eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--sk-star);opacity:.8}
.sk-h1{font-size:clamp(30px,4.2vw,48px);font-weight:800;line-height:1.16;letter-spacing:-.02em;color:#fff;max-width:820px}
.sk-hero-sub{margin-top:16px;font-size:16px;line-height:1.8;color:var(--sk-on-dark-2);max-width:680px}
.sk-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.sk-hero-meta{display:flex;flex-wrap:wrap;gap:26px;margin-top:34px;padding-top:24px;border-top:1px solid rgba(237,234,246,.14)}
.sk-hero-meta div{display:flex;align-items:baseline;gap:8px;font-size:13px;color:var(--sk-on-dark-2)}
.sk-hero-meta strong{font-family:var(--sk-font-num);font-size:20px;font-weight:700;color:var(--sk-star);font-variant-numeric:tabular-nums}

/* ---------- 通用板块 ---------- */
.sk-section{padding:96px 0}
.sk-section-surface{background:var(--sk-surface)}
.sk-section-dark{background:var(--sk-ink);color:var(--sk-on-dark)}
.sk-eyebrow{display:block;font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--sk-primary);margin-bottom:12px}
.sk-section-dark .sk-eyebrow{color:var(--sk-star)}
.sk-h2{font-size:clamp(24px,2.4vw,34px);font-weight:700;line-height:1.3;letter-spacing:-.01em;color:var(--sk-ink)}
.sk-section-dark .sk-h2{color:#fff}
.sk-h3{font-size:20px;font-weight:600;line-height:1.45;color:var(--sk-ink)}
.sk-lede{margin-top:14px;font-size:15px;line-height:1.85;color:var(--sk-muted);max-width:720px}
.sk-section-dark .sk-lede{color:var(--sk-on-dark-2)}
.sk-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;flex-wrap:wrap;margin-bottom:42px}
.sk-head-main{max-width:720px}

/* ---------- 步骤 ---------- */
.sk-steps{list-style:none;margin-top:8px}
.sk-step{
  display:grid;grid-template-columns:56px minmax(0,1fr);
  gap:8px 20px;padding:36px 0;border-top:1px solid var(--sk-line);
}
.sk-step:first-child{border-top:0;padding-top:0}
.sk-step.has-media{grid-template-columns:56px minmax(0,1fr) 264px;align-items:start}
.sk-step-num{
  width:44px;height:44px;border-radius:50%;
  border:2px solid var(--sk-primary);color:var(--sk-primary);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--sk-font-num);font-size:15px;font-weight:700;
  background:var(--sk-white);font-variant-numeric:tabular-nums;
  transition:background .25s ease,color .25s ease;
}
.sk-step:hover .sk-step-num{background:var(--sk-primary);color:#fff}
.sk-step-body{padding-top:2px}
.sk-step-body .sk-h3{margin-bottom:8px}
.sk-step-body p{font-size:15px;line-height:1.85;color:#3b3550;max-width:640px}
.sk-step-points{list-style:none;margin-top:14px;display:grid;gap:8px;max-width:620px}
.sk-step-points li{position:relative;padding-left:20px;font-size:14px;line-height:1.72;color:var(--sk-muted)}
.sk-step-points li::before{content:"";position:absolute;left:2px;top:9px;width:6px;height:6px;border-radius:50%;background:var(--sk-primary)}
.sk-step-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--sk-r);border:1px solid var(--sk-line);box-shadow:var(--sk-shadow)}
.sk-step-media figcaption{margin-top:10px;font-size:12px;color:var(--sk-muted);line-height:1.6}

/* ---------- 指标条 ---------- */
.sk-metrics{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:1px;background:var(--sk-line);border:1px solid var(--sk-line);
  border-radius:var(--sk-r);overflow:hidden;margin-top:40px;
}
.sk-metric{background:var(--sk-white);padding:26px 24px;transition:background .2s ease}
.sk-metric:hover{background:#fffdfa}
.sk-metric-label{font-size:12px;font-weight:600;letter-spacing:.08em;color:var(--sk-muted);margin-bottom:10px}
.sk-metric-value{font-family:var(--sk-font-num);font-size:28px;font-weight:800;line-height:1.15;color:var(--sk-primary);font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.sk-metric-note{margin-top:8px;font-size:13px;line-height:1.65;color:var(--sk-muted)}
.sk-metrics-foot{margin-top:18px;font-size:13px;color:var(--sk-muted);line-height:1.8}

/* ---------- 场景卡 ---------- */
.sk-scene-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.sk-scene{
  background:var(--sk-white);border:1px solid var(--sk-line);border-radius:var(--sk-r);
  padding:28px;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  box-shadow:var(--sk-shadow);display:flex;flex-direction:column;gap:12px;height:100%;
}
.sk-scene:hover{transform:translateY(-3px);box-shadow:var(--sk-shadow-lg);border-color:rgba(14,143,140,.35)}
.sk-scene-icon{
  width:46px;height:46px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(14,143,140,.10);color:var(--sk-primary);font-size:18px;
}
.sk-scene .sk-h3{margin-top:4px;font-size:19px}
.sk-scene p{font-size:14px;line-height:1.8;color:var(--sk-muted)}
.sk-scene-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:12px}
.sk-tag{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:999px;
  background:var(--sk-surface);color:var(--sk-primary-d);font-size:12px;font-weight:500;
}

/* ---------- 图文区块 ---------- */
.sk-split{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:52px;align-items:center}
.sk-split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--sk-r-lg);border:1px solid var(--sk-line);box-shadow:var(--sk-shadow-lg)}
.sk-check-list{list-style:none;margin-top:26px;display:grid;gap:14px}
.sk-check-list li{display:flex;gap:12px;font-size:15px;line-height:1.75;color:#3b3550}
.sk-check-list li i{color:var(--sk-primary);font-size:15px;margin-top:5px;flex:none}
.sk-check-list li strong{font-weight:600;color:var(--sk-ink)}

/* ---------- FAQ ---------- */
.sk-faq{display:grid;gap:14px;max-width:900px;margin-top:8px}
.sk-faq-item{background:var(--sk-white);border:1px solid var(--sk-line);border-radius:var(--sk-r);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.sk-faq-item:hover{border-color:rgba(14,143,140,.30)}
.sk-faq-item.is-open{border-color:var(--sk-primary);box-shadow:var(--sk-shadow-lg)}
.sk-faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 24px;text-align:left;font-size:17px;font-weight:600;color:var(--sk-ink);line-height:1.6;
}
.sk-faq-q i{color:var(--sk-primary);font-size:14px;transition:transform .25s ease;flex:none}
.sk-faq-item.is-open .sk-faq-q i{transform:rotate(45deg)}
.sk-faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.sk-faq-item.is-open .sk-faq-a{max-height:420px}
.sk-faq-a p{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--sk-muted);max-width:780px}

/* ---------- CTA ---------- */
.sk-cta{
  position:relative;overflow:hidden;color:var(--sk-on-dark);
  background-color:var(--sk-ink);
  background-image:linear-gradient(140deg,rgba(28,24,48,.92),rgba(28,24,48,.98)),url(/assets/images/backpic/back-2.png);
  background-size:cover;background-position:center;
  padding:84px 0;
}
.sk-cta::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    radial-gradient(2px 2px at 12% 26%,rgba(255,209,102,.45),transparent 62%),
    radial-gradient(2px 2px at 46% 66%,rgba(237,234,246,.30),transparent 62%),
    radial-gradient(3px 3px at 78% 34%,rgba(255,209,102,.30),transparent 62%),
    radial-gradient(2px 2px at 88% 74%,rgba(237,234,246,.26),transparent 62%);
}
.sk-cta .sk-container{position:relative;z-index:2}
.sk-cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.sk-cta h2{font-size:clamp(24px,2.6vw,32px);font-weight:700;line-height:1.3;color:#fff;letter-spacing:-.01em}
.sk-cta p{margin-top:12px;font-size:15px;line-height:1.8;color:var(--sk-on-dark-2);max-width:560px}
.sk-cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px}
.sk-cta-phone{display:inline-flex;align-items:center;gap:9px;font-family:var(--sk-font-num);font-size:17px;font-weight:700;color:#fff;font-variant-numeric:tabular-nums}
.sk-cta-phone:hover{color:var(--sk-star)}
.sk-cta-phone i{color:var(--sk-star);font-size:15px}

/* ---------- 页脚 ---------- */
.sk-footer{background:var(--sk-ink);color:var(--sk-on-dark);padding:72px 0 0;position:relative;overflow:hidden}
.sk-footer::before{
  content:"";position:absolute;top:0;right:6%;width:280px;height:180px;pointer-events:none;
  background-image:
    radial-gradient(2px 2px at 20% 30%,rgba(255,209,102,.35),transparent 62%),
    radial-gradient(2px 2px at 62% 18%,rgba(237,234,246,.28),transparent 62%),
    radial-gradient(2px 2px at 40% 70%,rgba(237,234,246,.22),transparent 62%);
}
.sk-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:40px;padding-bottom:56px;position:relative;z-index:2}
.sk-footer-brand .sk-logo{color:var(--sk-on-dark);margin-bottom:18px}
.sk-footer-brand .sk-logo:hover{color:#fff}
.sk-footer-brand .sk-logo-mark{color:var(--sk-star)}
.sk-footer-brand p{font-size:13px;line-height:1.9;color:var(--sk-on-dark-2);max-width:320px;margin-bottom:8px}
.sk-footer-col h4{font-size:14px;font-weight:600;letter-spacing:.04em;margin-bottom:16px;color:var(--sk-on-dark)}
.sk-footer-col ul{list-style:none;display:grid;gap:10px}
.sk-footer-col li,.sk-footer-col a{font-size:13px;line-height:1.7;color:var(--sk-on-dark-2)}
.sk-footer-col a:hover{color:var(--sk-star)}
.sk-footer-bottom{
  border-top:1px solid rgba(237,234,246,.12);
  padding:20px 0 24px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:12px;color:rgba(237,234,246,.55);position:relative;z-index:2;
}
.sk-footer-bottom p{margin:0}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .sk-dock{width:calc(100% - 48px)}
  .sk-nav{gap:18px;font-size:13.5px}
}
@media (max-width:1099px){
  .sk-dock-actions .sk-btn-sm{display:none}
}
@media (max-width:991px){
  .sk-container{padding:0 24px}
  .sk-dock{width:calc(100% - 32px);height:56px;margin-top:12px;padding:0 10px 0 18px;gap:10px}
  .sk-nav{display:none}
  .sk-burger{display:inline-flex}
  .sk-icon-btn{display:none}
  .sk-hero{padding:112px 0 56px}
  .sk-section{padding:72px 0}
  .sk-step.has-media{grid-template-columns:56px minmax(0,1fr)}
  .sk-step.has-media .sk-step-media{grid-column:2/-1;margin-top:18px}
  .sk-split{grid-template-columns:1fr;gap:32px}
  .sk-split-media{order:-1}
  .sk-metrics{grid-template-columns:repeat(2,minmax(0,1fr))}
  .sk-head{margin-bottom:32px}
  .sk-cta{padding:64px 0}
  .sk-cta-inner{flex-direction:column;align-items:flex-start;gap:28px}
  .sk-footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .sk-scene-grid{grid-template-columns:1fr}
  .sk-hero-meta{gap:18px}
  .sk-hero-meta div{font-size:12px}
  .sk-h1{font-size:clamp(26px,7vw,34px)}
  .sk-hero-actions .sk-btn{flex:1 1 auto}
  .sk-faq-q{padding:18px;font-size:16px}
  .sk-faq-a p{padding:0 18px 18px}
  .sk-footer-grid{grid-template-columns:1fr;gap:28px}
  .sk-footer{padding-top:56px}
  .sk-footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:575px){
  .sk-container{padding:0 18px}
  .sk-section{padding:56px 0}
  .sk-step,.sk-step.has-media{grid-template-columns:1fr;gap:14px}
  .sk-step.has-media .sk-step-media{grid-column:auto}
  .sk-step-num{width:40px;height:40px;font-size:14px}
  .sk-step{padding:28px 0}
  .sk-metrics{grid-template-columns:1fr}
  .sk-btn{width:100%}
  .sk-hero-actions{flex-direction:column;align-items:stretch}
  .sk-cta-actions{width:100%;flex-direction:column;align-items:stretch}
  .sk-cta-phone{justify-content:center}
  .sk-scene{padding:22px}
  .sk-search-panel{top:84px}
}

/* roulang page: category4 */
:root{
  --sk-ink:#1C1830;
  --sk-primary:#0E8F8C;
  --sk-primary-d:#0A6E6C;
  --sk-accent:#FF8A3D;
  --sk-accent-h:#FF9C57;
  --sk-star:#FFD166;
  --sk-bg:#FAF8F5;
  --sk-surface:#F1EFEA;
  --sk-line:rgba(28,24,48,.10);
  --sk-muted:#6B6580;
  --sk-light-text:#EDEAF6;
  --sk-radius:16px;
  --sk-radius-lg:20px;
  --sk-radius-sm:12px;
  --sk-shadow:0 1px 2px rgba(28,24,48,.05);
  --sk-shadow-h:0 14px 32px -12px rgba(28,24,48,.20);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--sk-ink);
  background:var(--sk-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--sk-primary);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--sk-primary-d)}
button{font:inherit;cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--sk-primary);outline-offset:3px;border-radius:8px}
.sk-num{font-variant-numeric:tabular-nums}

.sk-container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

/* ---------- 按钮 ---------- */
.sk-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--sk-radius-sm);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
}
.sk-btn-accent{background:var(--sk-accent);color:#fff;box-shadow:0 6px 16px -10px rgba(255,138,61,.8)}
.sk-btn-accent:hover{background:var(--sk-accent-h);color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px -10px rgba(255,138,61,.55)}
.sk-btn-accent:active{transform:none;box-shadow:none}
.sk-btn-ghost{background:transparent;border:1.5px solid var(--sk-ink);color:var(--sk-ink)}
.sk-btn-ghost:hover{background:var(--sk-ink);color:#fff}
.sk-btn-light{background:#fff;color:var(--sk-ink)}
.sk-btn-light:hover{background:#EDEAF6;color:var(--sk-ink)}
.sk-btn-sm{height:40px;padding:0 20px;font-size:14px;border-radius:999px}
.sk-btn-block{width:100%}

/* ---------- 浮动 Dock 导航 ---------- */
.sk-header{position:fixed;top:20px;left:0;right:0;z-index:1030;transition:top .2s ease}
.sk-header.is-scrolled{top:12px}
.sk-dock{
  width:calc(100% - 64px);max-width:1120px;height:64px;margin:0 auto;
  display:flex;align-items:center;gap:16px;
  padding:0 14px 0 22px;
  background:rgba(250,248,245,.94);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border:1px solid var(--sk-line);border-radius:999px;
  box-shadow:0 10px 30px -14px rgba(28,24,48,.28);
  transition:height .2s ease,padding .2s ease;
}
.sk-header.is-scrolled .sk-dock{height:56px}
.sk-logo{display:inline-flex;align-items:center;gap:8px;font-size:18px;font-weight:700;color:var(--sk-ink);letter-spacing:-.01em}
.sk-logo:hover{color:var(--sk-ink)}
.sk-logo-mark{width:22px;height:22px;color:var(--sk-primary);flex:none}
.sk-nav{display:flex;align-items:center;gap:2px;margin:0 auto}
.sk-nav a{
  position:relative;display:inline-flex;align-items:center;height:40px;
  padding:0 13px;border-radius:999px;
  font-size:14px;font-weight:500;color:var(--sk-ink);
  transition:background .18s ease,color .18s ease;
}
.sk-nav a:hover{background:rgba(14,143,140,.08);color:var(--sk-primary-d)}
.sk-nav a.is-active{color:var(--sk-primary-d);font-weight:600}
.sk-nav a.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:5px;height:2px;
  background:var(--sk-primary);border-radius:2px;
}
.sk-dock-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.sk-icon-btn{
  width:40px;height:40px;border-radius:999px;border:1px solid var(--sk-line);
  background:#fff;display:grid;place-items:center;color:var(--sk-ink);
  transition:border-color .18s ease,color .18s ease,background .18s ease;
}
.sk-icon-btn:hover{border-color:rgba(14,143,140,.45);color:var(--sk-primary-d)}
.sk-burger{display:none;width:40px;height:40px;border-radius:999px;border:1px solid var(--sk-line);background:#fff;place-items:center;color:var(--sk-ink)}
.sk-burger span{display:block;width:16px;height:2px;background:currentColor;border-radius:2px;position:relative}
.sk-burger span::before,.sk-burger span::after{content:"";position:absolute;left:0;width:16px;height:2px;background:currentColor;border-radius:2px}
.sk-burger span::before{top:-5px}
.sk-burger span::after{top:5px}

.sk-drawer{
  position:fixed;inset:0;z-index:1040;background:var(--sk-bg);
  padding:22px 20px 28px;display:flex;flex-direction:column;gap:8px;
  transform:translateY(-102%);transition:transform .26s ease;
  overflow-y:auto;
}
.sk-drawer.is-open{transform:translateY(0)}
.sk-drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.sk-drawer-nav{display:flex;flex-direction:column}
.sk-drawer-nav a{
  display:flex;align-items:center;height:52px;font-size:16px;font-weight:500;
  color:var(--sk-ink);border-bottom:1px solid var(--sk-line);
}
.sk-drawer-nav a.is-active{color:var(--sk-primary-d);font-weight:600}
.sk-drawer .sk-btn{margin-top:24px}

/* ---------- 面包屑 ---------- */
.sk-crumbs{padding:122px 0 0;font-size:13px;color:var(--sk-muted)}
.sk-crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.sk-crumbs li{display:flex;align-items:center;gap:8px}
.sk-crumbs li::after{content:"›";color:rgba(28,24,48,.28)}
.sk-crumbs li:last-child::after{display:none}
.sk-crumbs a{color:var(--sk-primary)}
.sk-crumbs span{color:var(--sk-muted)}

/* ---------- Hero（居中窄版） ---------- */
.sk-hero{position:relative;overflow:hidden;padding:26px 0 88px}
.sk-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    radial-gradient(circle at 14% 22%, rgba(14,143,140,.16) 0 3px, transparent 3px),
    radial-gradient(circle at 26% 62%, rgba(28,24,48,.10) 0 2px, transparent 2px),
    radial-gradient(circle at 78% 18%, rgba(255,209,102,.55) 0 3px, transparent 3px),
    radial-gradient(circle at 88% 58%, rgba(14,143,140,.14) 0 2px, transparent 2px),
    radial-gradient(circle at 62% 82%, rgba(28,24,48,.08) 0 2px, transparent 2px),
    radial-gradient(circle at 40% 12%, rgba(255,138,61,.18) 0 2px, transparent 2px);
}
.sk-hero-inner{position:relative;max-width:840px;margin:0 auto;text-align:center}
.sk-eyebrow{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.12em;
  color:var(--sk-primary);margin-bottom:14px;
}
.sk-h1{
  font-size:clamp(30px,4.2vw,50px);font-weight:800;line-height:1.16;
  letter-spacing:-.02em;color:var(--sk-ink);margin-bottom:18px;
}
.sk-hero-sub{font-size:17px;line-height:1.75;color:var(--sk-muted);max-width:640px;margin:0 auto 30px}
.sk-hero-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.sk-trust{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:10px;
  margin-top:28px;font-size:14px;color:var(--sk-muted);
}
.sk-trust .stars{color:var(--sk-star);letter-spacing:2px;font-size:15px}
.sk-trust b{color:var(--sk-ink);font-variant-numeric:tabular-nums}

/* ---------- 板块通用 ---------- */
.sk-section{padding:96px 0}
.sk-section--surface{background:var(--sk-surface)}
.sk-section--tight{padding:80px 0}
.sk-section-head{max-width:760px;margin-bottom:40px}
.sk-section-head--center{margin-left:auto;margin-right:auto;text-align:center}
.sk-h2{font-size:clamp(24px,2.4vw,34px);font-weight:700;line-height:1.3;letter-spacing:-.01em;margin-bottom:14px}
.sk-lead{font-size:16px;line-height:1.8;color:var(--sk-muted)}

/* ---------- 对比表 ---------- */
.sk-table-wrap{
  background:#fff;border:1px solid var(--sk-line);border-radius:var(--sk-radius-lg);
  overflow:auto;box-shadow:var(--sk-shadow);
}
.sk-table{width:100%;min-width:820px;border-collapse:collapse;font-size:15px}
.sk-table th,.sk-table td{padding:16px 20px;text-align:left;border-bottom:1px solid var(--sk-line);vertical-align:middle}
.sk-table thead th{
  background:var(--sk-surface);font-size:14px;font-weight:700;color:var(--sk-ink);
  position:sticky;top:0;z-index:2;
}
.sk-table thead th.is-highlight{
  color:var(--sk-primary-d);
  box-shadow:inset 0 3px 0 0 var(--sk-primary);
}
.sk-table tbody th{
  font-weight:600;font-size:14px;color:var(--sk-muted);
  background:#fff;position:sticky;left:0;z-index:1;white-space:nowrap;
}
.sk-table tbody tr:nth-child(even){background:rgba(241,239,234,.55)}
.sk-table tbody tr:nth-child(even) th{background:#F6F4F0}
.sk-table tbody tr:last-child th,.sk-table tbody tr:last-child td{border-bottom:0}
.sk-table .sk-num{font-weight:600;color:var(--sk-ink)}
.sk-table .sk-price{color:var(--sk-accent);font-weight:700}
.sk-table-note{margin-top:16px;font-size:13px;color:var(--sk-muted)}

/* ---------- 卡片 ---------- */
.sk-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.sk-card{
  background:#fff;border:1px solid var(--sk-line);border-radius:var(--sk-radius);
  padding:24px;box-shadow:var(--sk-shadow);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.sk-card:hover{transform:translateY(-2px);border-color:rgba(14,143,140,.35);box-shadow:var(--sk-shadow-h)}
.sk-card h3{font-size:19px;font-weight:600;line-height:1.45;margin:14px 0 10px}
.sk-card p{font-size:14.5px;line-height:1.75;color:var(--sk-muted)}
.sk-badge{
  display:inline-flex;align-items:center;height:25px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:600;background:var(--sk-surface);color:var(--sk-primary-d);
}
.sk-badge-accent{background:var(--sk-accent);color:#fff}
.sk-card-icon{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:rgba(14,143,140,.10);color:var(--sk-primary-d);
}
.sk-card-icon svg{width:22px;height:22px}

/* ---------- 图文 + 时间线 ---------- */
.sk-split{display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center}
.sk-figure{
  border-radius:var(--sk-radius-lg);overflow:hidden;border:1px solid var(--sk-line);
  background:var(--sk-surface);box-shadow:var(--sk-shadow);
}
.sk-figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
.sk-timeline{display:grid;gap:14px;margin-top:24px}
.sk-timeline li{
  display:grid;grid-template-columns:78px 1fr;gap:16px;align-items:start;
  background:#fff;border:1px solid var(--sk-line);border-radius:var(--sk-radius);
  padding:16px 20px;transition:border-color .2s ease,box-shadow .2s ease;
}
.sk-timeline li:hover{border-color:rgba(14,143,140,.35);box-shadow:var(--sk-shadow)}
.sk-timeline .t{font-weight:700;font-size:15px;color:var(--sk-primary-d);font-variant-numeric:tabular-nums}
.sk-timeline p{font-size:14.5px;color:var(--sk-muted);margin:0}
.sk-timeline strong{color:var(--sk-ink);font-weight:600}

/* ---------- 评价轮播 ---------- */
.sk-carousel{position:relative}
.sk-carousel-viewport{overflow:hidden;padding:4px}
.sk-carousel-track{display:flex;gap:24px;transition:transform .45s cubic-bezier(.22,.61,.36,1)}
.sk-quote{
  flex:0 0 calc((100% - 24px)/2);
  background:#fff;border:1px solid var(--sk-line);border-radius:var(--sk-radius);
  padding:26px;box-shadow:var(--sk-shadow);display:flex;flex-direction:column;gap:14px;
}
.sk-quote .stars{color:var(--sk-star);letter-spacing:3px;font-size:15px}
.sk-quote blockquote{margin:0;font-size:15px;line-height:1.8;color:var(--sk-ink)}
.sk-quote .who{font-size:13px;color:var(--sk-muted);margin-top:auto}
.sk-quote .who b{color:var(--sk-ink);font-weight:600}
.sk-carousel-ctrl{display:flex;align-items:center;justify-content:center;gap:18px;margin-top:30px}
.sk-arrow{
  width:40px;height:40px;border-radius:999px;border:1px solid var(--sk-line);
  background:#fff;display:grid;place-items:center;color:var(--sk-ink);
  transition:border-color .18s ease,color .18s ease,background .18s ease;
}
.sk-arrow:hover{border-color:var(--sk-primary);color:var(--sk-primary-d)}
.sk-arrow:disabled{opacity:.4;cursor:not-allowed}
.sk-dots{display:flex;align-items:center;gap:8px}
.sk-dots button{
  width:22px;height:6px;border-radius:999px;background:rgba(28,24,48,.16);
  transition:background .2s ease,width .2s ease;
}
.sk-dots button.is-active{background:var(--sk-primary);width:34px}

/* ---------- FAQ ---------- */
.sk-faq{display:grid;gap:14px;max-width:900px}
.sk-faq-item{
  background:#fff;border:1px solid var(--sk-line);border-radius:var(--sk-radius);
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.sk-faq-item.is-open{border-color:rgba(14,143,140,.5);box-shadow:var(--sk-shadow)}
.sk-faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;text-align:left;font-size:17px;font-weight:600;color:var(--sk-ink);
}
.sk-faq-icon{
  flex:none;width:22px;height:22px;display:grid;place-items:center;
  color:var(--sk-primary);font-size:20px;line-height:1;transition:transform .25s ease;
}
.sk-faq-item.is-open .sk-faq-icon{transform:rotate(45deg)}
.sk-faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.sk-faq-a p{padding:0 24px 20px;font-size:15px;line-height:1.85;color:var(--sk-muted)}

/* ---------- CTA ---------- */
.sk-cta{
  position:relative;overflow:hidden;background:var(--sk-ink);color:var(--sk-light-text);
  padding:84px 0;
}
.sk-cta::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.85;
  background-image:
    radial-gradient(circle at 82% 26%, rgba(255,209,102,.5) 0 3px, transparent 3px),
    radial-gradient(circle at 90% 62%, rgba(237,234,246,.28) 0 2px, transparent 2px),
    radial-gradient(circle at 72% 78%, rgba(14,143,140,.55) 0 2px, transparent 2px),
    radial-gradient(circle at 96% 14%, rgba(237,234,246,.22) 0 2px, transparent 2px);
}
.sk-cta-inner{position:relative;display:grid;grid-template-columns:1.4fr .6fr;gap:40px;align-items:center}
.sk-cta h2{font-size:clamp(24px,2.6vw,34px);font-weight:700;line-height:1.3;color:#fff;margin-bottom:14px}
.sk-cta p{font-size:16px;line-height:1.8;color:rgba(237,234,246,.66);margin-bottom:26px;max-width:560px}
.sk-cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:20px}
.sk-cta-tel{display:inline-flex;align-items:center;gap:8px;font-size:16px;font-weight:600;color:var(--sk-light-text)}
.sk-cta-tel:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.sk-cta-side{
  border:1px solid rgba(237,234,246,.18);border-radius:var(--sk-radius-lg);
  padding:24px;background:rgba(237,234,246,.05);
}
.sk-cta-side dl{display:grid;gap:14px;margin:0}
.sk-cta-side dt{font-size:12px;letter-spacing:.08em;color:rgba(237,234,246,.55)}
.sk-cta-side dd{margin:4px 0 0;font-size:15px;font-weight:600;color:#fff;font-variant-numeric:tabular-nums}

/* ---------- 页脚 ---------- */
.sk-footer{background:var(--sk-ink);color:rgba(237,234,246,.66);padding-top:72px}
.sk-footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.25fr;gap:40px;padding-bottom:48px}
.sk-footer .sk-logo{color:#fff;font-size:17px}
.sk-footer .sk-logo:hover{color:#fff}
.sk-footer .sk-logo-mark{color:var(--sk-primary)}
.sk-footer-brand p{font-size:13px;line-height:1.85;margin-top:14px;max-width:320px}
.sk-footer h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.sk-footer ul{display:grid;gap:10px;font-size:13.5px;line-height:1.6}
.sk-footer ul a{color:rgba(237,234,246,.72)}
.sk-footer ul a:hover{color:#fff}
.sk-footer-bottom{
  border-top:1px solid rgba(237,234,246,.12);
  padding:20px 0 28px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:12px;color:rgba(237,234,246,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .sk-container{padding:0 24px}
  .sk-split{gap:40px}
}
@media (max-width:991px){
  .sk-nav{display:none}
  .sk-burger{display:grid}
  .sk-dock{padding:0 12px 0 18px}
  .sk-crumbs{padding-top:112px}
  .sk-hero{padding-bottom:72px}
  .sk-section{padding:72px 0}
  .sk-grid-3{grid-template-columns:repeat(2,1fr)}
  .sk-split{grid-template-columns:1fr;gap:32px}
  .sk-cta-inner{grid-template-columns:1fr;gap:32px}
  .sk-footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .sk-footer-brand{grid-column:1 / -1}
}
@media (max-width:767px){
  .sk-container{padding:0 18px}
  .sk-dock{width:calc(100% - 24px);height:56px}
  .sk-header{top:12px}
  .sk-header.is-scrolled{top:8px}
  .sk-crumbs{padding-top:100px}
  .sk-hero{padding:18px 0 56px}
  .sk-hero-sub{font-size:16px}
  .sk-section{padding:56px 0}
  .sk-grid-3{grid-template-columns:1fr;gap:16px}
  .sk-quote{flex:0 0 100%;padding:20px}
  .sk-card{padding:20px}
  .sk-timeline li{grid-template-columns:64px 1fr;padding:14px 16px}
  .sk-faq-q{padding:16px 18px;font-size:16px}
  .sk-faq-a p{padding:0 18px 16px}
  .sk-cta{padding:64px 0}
  .sk-footer-grid{grid-template-columns:1fr;gap:28px}
  .sk-footer-bottom{flex-direction:column;gap:8px}
  .sk-table thead th,.sk-table td,.sk-table tbody th{padding:13px 14px}
}
@media (max-width:575px){
  .sk-hero-actions .sk-btn{width:100%}
  .sk-cta-actions{gap:14px}
  .sk-cta-actions .sk-btn{width:100%}
  .sk-card{padding:16px}
  .sk-h1{letter-spacing:-.01em}
}