/* roulang page: index */
:root{
  --c-primary:#1A62C4;
  --c-primary-dark:#124A99;
  --c-primary-soft:#E8F0FC;
  --c-orange:#EA6A2B;
  --c-teal:#12A594;
  --c-ink:#0F172A;
  --c-text:#475569;
  --c-muted:#94A3B8;
  --c-line:#E2E8F0;
  --c-bg:#F5F8FC;
  --c-white:#FFFFFF;
  --c-tint:#EFF6FF;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-card:0 6px 20px rgba(15,23,42,.06);
  --shadow-hover:0 14px 34px rgba(15,23,42,.10);
  --container:1200px;
  --sec-y:96px;
  --sec-y-m:56px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-white);
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-primary);text-decoration:none;transition:color .25s ease;}
a:hover{color:var(--c-primary-dark);}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;line-height:1.3;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(26,98,196,.25);border-radius:6px;}
.container{max-width:var(--container);width:100%;padding-left:24px;padding-right:24px;margin:0 auto;}
.sec{padding:var(--sec-y) 0;}
.sec-alt{background:var(--c-bg);}
.sec-tint{background:var(--c-tint);}
.sec-head{max-width:720px;margin-bottom:48px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.04em;
  color:var(--c-primary);background:var(--c-primary-soft);
  padding:6px 14px;border-radius:999px;margin-bottom:16px;
}
.eyebrow.teal{color:#0B7A6E;background:rgba(18,165,148,.12);}
.eyebrow.orange{color:#B94E17;background:rgba(234,106,43,.12);}
h1{font-size:clamp(28px,4vw,44px);font-weight:700;line-height:1.25;}
h2{font-size:clamp(24px,2.6vw,31px);font-weight:700;}
h3{font-size:21px;font-weight:600;line-height:1.45;}
.lead{font-size:17px;line-height:1.8;color:var(--c-text);}
.muted{color:var(--c-muted);font-size:14px;}
.num{font-variant-numeric:tabular-nums;}

/* 按钮 */
.btn-mk{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:all .25s ease;white-space:nowrap;
}
.btn-mk-primary{background:var(--c-primary);color:#fff;box-shadow:0 8px 20px rgba(26,98,196,.22);}
.btn-mk-primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(18,74,153,.26);}
.btn-mk-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(18,74,153,.24);}
.btn-mk-outline{background:#fff;color:var(--c-primary);border-color:var(--c-primary);}
.btn-mk-outline:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);border-color:var(--c-primary-dark);}
.btn-mk-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.5);}
.btn-mk-ghost:hover{background:rgba(255,255,255,.22);color:#fff;}
.btn-mk-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-mk-block{width:100%;}

/* 徽章 / 标签 */
.badge-mk{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;line-height:1.6;
}
.badge-blue{background:var(--c-primary-soft);color:var(--c-primary-dark);}
.badge-teal{background:rgba(18,165,148,.12);color:#0B7A6E;}
.badge-orange{background:rgba(234,106,43,.13);color:#B94E17;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}

/* 导航 */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  height:76px;
  background:rgba(255,255,255,.62);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid rgba(255,255,255,.6);
  box-shadow:0 4px 18px rgba(15,23,42,.05);
  transition:height .28s ease,background .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.site-header.is-solid{
  height:64px;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--c-primary);
  box-shadow:0 6px 22px rgba(15,23,42,.10);
}
.nav-inner{
  max-width:var(--container);margin:0 auto;padding:0 24px;
  height:100%;display:flex;align-items:center;gap:28px;
}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--c-primary) 0%,#2E8BE0 55%,var(--c-teal) 100%);
  position:relative;flex-shrink:0;
  box-shadow:0 4px 12px rgba(26,98,196,.28);
  overflow:hidden;
}
.logo-mark::before{
  content:"";position:absolute;inset:0;
  border:2px solid rgba(255,255,255,.9);
  border-radius:50%;width:16px;height:16px;margin:9px;
  border-right-color:transparent;border-bottom-color:transparent;
  transform:rotate(-35deg);
}
.logo-mark::after{
  content:"";position:absolute;
  width:9px;height:9px;border-radius:50%;background:#EA6A2B;
  right:5px;bottom:6px;
}
.logo-text{font-size:19px;font-weight:700;color:var(--c-ink);letter-spacing:.01em;line-height:1;}
.logo-text small{display:block;font-size:11px;font-weight:500;color:var(--c-muted);letter-spacing:.08em;margin-top:3px;}
.logo:hover .logo-text{color:var(--c-primary);}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1;}
.nav-links a{
  position:relative;display:inline-block;
  padding:10px 14px;font-size:15px;font-weight:500;color:var(--c-text);
  border-radius:8px;transition:color .25s ease,background .25s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:50%;bottom:4px;
  width:0;height:2px;background:var(--c-primary);
  transform:translateX(-50%);transition:width .28s ease;
}
.nav-links a:hover{color:var(--c-primary);background:rgba(26,98,196,.06);}
.nav-links a:hover::after{width:calc(100% - 28px);}
.nav-links a.active{color:var(--c-primary);font-weight:700;}
.nav-links a.active::after{width:calc(100% - 28px);}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto;}
.nav-search{
  width:38px;height:38px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--c-line);background:rgba(255,255,255,.7);
  color:var(--c-text);cursor:pointer;transition:all .25s ease;
}
.nav-search:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-soft);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid var(--c-line);background:#fff;cursor:pointer;
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px;transition:.25s;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.mobile-drawer{
  position:fixed;top:0;right:0;z-index:1040;
  width:min(340px,86vw);height:100%;
  background:#fff;box-shadow:-14px 0 40px rgba(15,23,42,.16);
  transform:translateX(105%);transition:transform .3s ease;
  padding:26px 22px;display:flex;flex-direction:column;gap:6px;overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.drawer-close{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--c-line);
  background:#fff;font-size:20px;line-height:1;color:var(--c-ink);cursor:pointer;
}
.drawer-close:hover{border-color:var(--c-primary);color:var(--c-primary);}
.mobile-drawer a.drawer-link{
  display:block;padding:14px 12px;font-size:17px;font-weight:500;color:var(--c-ink);
  border-radius:10px;border-bottom:1px solid var(--c-line);
}
.mobile-drawer a.drawer-link:hover,.mobile-drawer a.drawer-link.active{background:var(--c-primary-soft);color:var(--c-primary);}
.drawer-cta{margin-top:18px;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(15,23,42,.42);z-index:1035;
  opacity:0;visibility:hidden;transition:.28s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* Hero */
.hero{
  position:relative;
  min-height:72vh;
  display:flex;align-items:center;
  padding:150px 0 84px;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(255,255,255,.97) 0%,rgba(255,255,255,.90) 38%,rgba(255,255,255,.55) 66%,rgba(255,255,255,.18) 100%);
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:120px;
  background:linear-gradient(to bottom,rgba(255,255,255,0) 0%,#fff 100%);
}
.hero-inner{position:relative;z-index:2;width:100%;}
.hero-copy{max-width:680px;}
.hero h1{margin-bottom:20px;}
.hero h1 .hl{color:var(--c-primary);}
.hero-sub{font-size:17px;line-height:1.85;color:var(--c-text);max-width:600px;margin-bottom:32px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:52px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:18px;max-width:760px;
  background:rgba(255,255,255,.78);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border:1px solid rgba(226,232,240,.9);
  border-radius:var(--radius-card);
  padding:22px 24px;
  box-shadow:var(--shadow-card);
}
.hero-stats .stat-v{font-size:26px;font-weight:700;color:var(--c-orange);line-height:1.2;font-variant-numeric:tabular-nums;}
.hero-stats .stat-l{font-size:13.5px;color:var(--c-text);margin-top:4px;}

/* 价值支撑条 */
.value-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:22px;
}
.value-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-card);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.value-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(26,98,196,.3);}
.value-icon{
  width:44px;height:44px;border-radius:12px;background:var(--c-primary-soft);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
  color:var(--c-primary);
}
.value-item h3{font-size:17.5px;margin-bottom:8px;}
.value-item p{font-size:14.5px;line-height:1.7;color:var(--c-text);}

/* 功能分组 */
.feat-main{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-card);
  padding:32px 30px;box-shadow:var(--shadow-card);height:100%;
  display:flex;flex-direction:column;
}
.feat-main h3{font-size:23px;margin-bottom:14px;}
.feat-main p{font-size:15.5px;line-height:1.8;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-weight:600;font-size:15px;color:var(--c-primary);margin-top:auto;padding-top:20px;
}
.text-link:hover{gap:10px;color:var(--c-primary-dark);}
.pic-card{
  border:1px solid var(--c-line);border-radius:var(--radius-card);overflow:hidden;
  background:#fff;box-shadow:var(--shadow-card);height:100%;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.pic-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(26,98,196,.3);}
.pic-card .pic-wrap{aspect-ratio:16/10;overflow:hidden;background:var(--c-bg);}
.pic-card img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.pic-card:hover img{transform:scale(1.03);}
.pic-card .pic-body{padding:18px 20px 22px;}
.pic-card h4{font-size:17px;font-weight:600;margin-bottom:6px;}
.pic-card p{font-size:14px;line-height:1.7;color:var(--c-text);}
.mini-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-card);
  padding:22px;height:100%;box-shadow:var(--shadow-card);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.mini-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(26,98,196,.3);}
.mini-card .mini-num{
  font-size:13px;font-weight:700;color:var(--c-teal);
  letter-spacing:.06em;margin-bottom:12px;display:block;
}
.mini-card h4{font-size:16.5px;font-weight:600;margin-bottom:8px;}
.mini-card p{font-size:14px;line-height:1.7;}
.data-card{
  background:linear-gradient(160deg,var(--c-primary) 0%,#15509F 100%);
  border-radius:var(--radius-card);padding:28px 24px;color:#fff;height:100%;
  display:flex;flex-direction:column;justify-content:center;
  box-shadow:0 12px 30px rgba(26,98,196,.22);
}
.data-card .data-v{font-size:40px;font-weight:700;color:#fff;line-height:1.1;font-variant-numeric:tabular-nums;}
.data-card .data-v span{font-size:19px;font-weight:600;}
.data-card .data-l{font-size:14.5px;color:rgba(255,255,255,.86);margin-top:10px;line-height:1.7;}
.data-card .data-line{width:44px;height:3px;background:var(--c-orange);border-radius:2px;margin-bottom:18px;}

/* 场景 */
.scene-row{display:flex;align-items:center;gap:52px;}
.scene-row.rev{flex-direction:row-reverse;}
.scene-media{flex:0 0 46%;}
.scene-media .img-box{
  border-radius:var(--radius-img);overflow:hidden;border:1px solid var(--c-line);
  box-shadow:var(--shadow-card);aspect-ratio:16/11;background:var(--c-bg);
}
.scene-media img{width:100%;height:100%;object-fit:cover;}
.scene-body{flex:1;}
.scene-index{
  font-size:38px;font-weight:700;color:var(--c-teal);
  line-height:1;font-variant-numeric:tabular-nums;margin-bottom:14px;display:block;
}
.scene-body h3{font-size:23px;margin-bottom:12px;}
.scene-body p{font-size:15.5px;line-height:1.8;}
.scene-points{margin-top:18px;display:grid;gap:10px;}
.scene-points li{
  position:relative;padding-left:22px;font-size:14.5px;color:var(--c-text);
}
.scene-points li::before{
  content:"";position:absolute;left:0;top:10px;
  width:8px;height:8px;border-radius:2px;background:var(--c-primary);
}

/* 案例 */
.case-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-card);
  padding:26px;height:100%;box-shadow:var(--shadow-card);
  display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.case-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(26,98,196,.3);}
.case-card .case-type{font-size:13.5px;color:var(--c-muted);margin-bottom:12px;}
.case-card .case-num{
  font-size:32px;font-weight:700;color:var(--c-orange);line-height:1.2;
  font-variant-numeric:tabular-nums;margin-bottom:6px;
}
.case-card .case-num span{font-size:15px;font-weight:600;margin-left:2px;}
.case-card .case-desc{font-size:14.5px;line-height:1.75;margin-bottom:16px;}
.case-quote{
  margin-top:auto;padding-top:16px;border-top:1px dashed var(--c-line);
  font-size:14px;color:var(--c-text);line-height:1.7;
}
.case-quote strong{color:var(--c-ink);font-weight:600;display:block;margin-bottom:6px;font-size:13.5px;}
.client-strip{
  margin-top:38px;display:flex;flex-wrap:wrap;gap:12px 34px;align-items:center;
  padding:20px 26px;background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-card);
}
.client-strip span{
  font-size:14.5px;font-weight:600;color:var(--c-muted);
  transition:color .25s ease;letter-spacing:.02em;
}
.client-strip span:hover{color:var(--c-primary);}

/* 资讯列表 */
.news-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-card);
  overflow:hidden;height:100%;display:flex;flex-direction:column;
  box-shadow:var(--shadow-card);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(26,98,196,.3);}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--c-bg);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1;}
.news-meta{display:flex;align-items:center;gap:10px;margin-bottom:12px;flex-wrap:wrap;}
.news-body h3{font-size:17px;margin-bottom:10px;line-height:1.5;}
.news-body h3 a{color:var(--c-ink);}
.news-body h3 a:hover{color:var(--c-primary);}
.news-body .news-sum{
  font-size:14px;line-height:1.7;color:var(--c-text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:16px;
}
.news-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;}
.news-foot .time{font-size:13px;color:var(--c-muted);font-variant-numeric:tabular-nums;}
.news-foot .more{font-size:14px;font-weight:600;color:var(--c-primary);}
.empty-state{
  background:#fff;border:1px dashed var(--c-line);border-radius:var(--radius-card);
  padding:56px 24px;text-align:center;
}
.empty-state .empty-ico{
  width:56px;height:56px;border-radius:50%;background:var(--c-primary-soft);
  display:flex;align-items:center;justify-content:center;margin:0 auto 16px;color:var(--c-primary);
}
.empty-state p{font-size:15px;color:var(--c-muted);margin-bottom:18px;}

/* 价格 */
.price-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-card);
  padding:32px 28px;height:100%;display:flex;flex-direction:column;
  box-shadow:var(--shadow-card);position:relative;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.price-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.price-card.featured{
  border:2px solid var(--c-primary);
  transform:scale(1.025);
  box-shadow:0 16px 40px rgba(26,98,196,.16);
}
.price-card.featured:hover{transform:scale(1.025) translateY(-3px);}
.price-flag{
  position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  background:var(--c-orange);color:#fff;font-size:12.5px;font-weight:600;
  padding:5px 16px;border-radius:999px;white-space:nowrap;
  box-shadow:0 6px 16px rgba(234,106,43,.3);
}
.price-card h3{font-size:19px;margin-bottom:6px;}
.price-card .price-for{font-size:13.5px;color:var(--c-muted);margin-bottom:20px;}
.price-amount{
  font-size:34px;font-weight:700;color:var(--c-ink);line-height:1.1;
  font-variant-numeric:tabular-nums;margin-bottom:4px;
}
.price-amount em{font-size:16px;font-style:normal;font-weight:600;margin-right:4px;}
.price-cycle{font-size:13.5px;color:var(--c-muted);margin-bottom:22px;}
.price-list{display:grid;gap:11px;margin-bottom:26px;}
.price-list li{
  position:relative;padding-left:26px;font-size:14.5px;line-height:1.6;color:var(--c-text);
}
.price-list li::before{
  content:"";position:absolute;left:0;top:6px;
  width:15px;height:15px;border-radius:50%;background:var(--c-primary-soft);
}
.price-list li::after{
  content:"";position:absolute;left:4.5px;top:10.5px;
  width:6px;height:3px;border-left:2px solid var(--c-primary);
  border-bottom:2px solid var(--c-primary);transform:rotate(-45deg);
}
.price-card .btn-mk{margin-top:auto;}
.price-note{
  margin-top:34px;padding:20px 26px;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--radius-card);display:flex;flex-wrap:wrap;gap:10px 24px;
  align-items:center;justify-content:space-between;
}
.price-note p{font-size:14.5px;color:var(--c-text);margin:0;}

/* FAQ */
.faq-list{display:grid;gap:14px;max-width:880px;}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-card);
  overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease,background .25s ease;
}
.faq-item:hover{border-color:rgba(26,98,196,.3);}
.faq-item.is-open{background:#FAFCFF;box-shadow:var(--shadow-card);border-color:rgba(26,98,196,.28);}
.faq-q{
  width:100%;background:none;border:0;text-align:left;cursor:pointer;
  display:flex;align-items:flex-start;gap:16px;
  padding:20px 24px;font-size:16.5px;font-weight:600;color:var(--c-ink);line-height:1.55;
}
.faq-item.is-open .faq-q{color:var(--c-primary-dark);}
.faq-no{
  flex-shrink:0;width:26px;height:26px;border-radius:8px;background:var(--c-primary-soft);
  color:var(--c-primary);font-size:13px;font-weight:700;
  display:flex;align-items:center;justify-content:center;margin-top:2px;
  font-variant-numeric:tabular-nums;
}
.faq-arrow{
  flex-shrink:0;margin-left:auto;width:9px;height:9px;margin-top:8px;
  border-right:2px solid var(--c-muted);border-bottom:2px solid var(--c-muted);
  transform:rotate(45deg);transition:transform .28s ease,border-color .28s ease;
}
.faq-item.is-open .faq-arrow{transform:rotate(-135deg);border-color:var(--c-primary);}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .32s ease;
  border-left:3px solid transparent;
}
.faq-item.is-open .faq-a{border-left-color:var(--c-primary);}
.faq-a-inner{padding:0 24px 22px 66px;font-size:15px;line-height:1.8;color:var(--c-text);}

/* CTA 横幅 */
.cta-band{
  background:var(--c-tint);border:1px solid #D6E4FA;border-radius:18px;
  padding:48px 44px;display:flex;align-items:center;gap:34px;flex-wrap:wrap;
  justify-content:space-between;
}
.cta-band h2{font-size:clamp(22px,2.4vw,28px);margin-bottom:10px;}
.cta-band p{font-size:15.5px;color:var(--c-text);margin:0;}
.cta-actions{display:flex;align-items:center;gap:22px;flex-wrap:wrap;}
.cta-contact{display:flex;flex-direction:column;gap:4px;font-size:14.5px;}
.cta-contact a{font-weight:600;color:var(--c-primary-dark);}
.cta-contact a:hover{color:var(--c-orange);}

/* 页脚 */
.site-footer{background:#0F1B2E;color:#B7C4D6;padding:66px 0 0;margin-top:0;}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand .logo-text{color:#fff;}
.footer-brand .logo-text small{color:#8A9AB2;}
.footer-brand p{font-size:14px;line-height:1.8;color:#96A6BC;margin-top:18px;max-width:320px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:18px;font-weight:600;}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{font-size:14px;color:#A9B8CC;}
.footer-col a:hover{color:#6FB1F5;}
.footer-contact li{font-size:14px;color:#A9B8CC;line-height:1.7;}
.footer-contact strong{color:#fff;font-weight:600;}
.footer-bottom{
  padding:22px 0;display:flex;flex-wrap:wrap;gap:12px 26px;
  align-items:center;justify-content:space-between;font-size:13.5px;color:#7E8EA6;
}
.footer-bottom a{color:#7E8EA6;}
.footer-bottom a:hover{color:#6FB1F5;}
.to-top{
  display:inline-flex;align-items:center;gap:8px;font-size:13.5px;
  color:#A9B8CC;background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);border-radius:999px;
  padding:8px 16px;cursor:pointer;transition:.25s ease;
}
.to-top:hover{background:rgba(255,255,255,.14);color:#fff;}

/* 响应式 */
@media (max-width:1199.98px){
  .nav-inner{gap:18px;}
  .nav-links a{padding:10px 10px;font-size:14.5px;}
}
@media (max-width:991.98px){
  :root{--sec-y:64px;}
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-right .btn-mk{display:none;}
  .site-header{height:64px;}
  .hero{min-height:60vh;padding:118px 0 64px;}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
  .value-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
  .scene-row,.scene-row.rev{flex-direction:column;gap:26px;}
  .scene-media{flex:1 1 auto;width:100%;}
  .price-card.featured{transform:none;}
  .price-card.featured:hover{transform:translateY(-3px);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .cta-band{padding:36px 28px;}
}
@media (max-width:767.98px){
  :root{--sec-y:var(--sec-y-m);}
  .container{padding-left:16px;padding-right:16px;}
  .nav-inner{padding:0 16px;}
  .hero-cta .btn-mk{width:100%;}
  .hero-stats{padding:18px;}
  .hero-stats .stat-v{font-size:22px;}
  .sec-head{margin-bottom:34px;}
  .value-strip{grid-template-columns:1fr;}
  .case-card,.price-card,.news-card,.value-item{padding-left:20px;padding-right:20px;}
  .cta-band{flex-direction:column;align-items:flex-start;gap:22px;}
  .cta-actions{width:100%;flex-direction:column;align-items:stretch;}
  .cta-actions .btn-mk{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:34px;}
  .faq-q{padding:16px 18px;font-size:15.5px;}
  .faq-a-inner{padding:0 18px 18px 60px;}
  .client-strip{padding:16px 18px;gap:10px 22px;}
}
@media (max-width:519.98px){
  .hero h1{font-size:26px;}
  .hero-sub{font-size:15.5px;}
  .hero-stats{grid-template-columns:1fr 1fr;}
  .price-amount{font-size:29px;}
  .data-card .data-v{font-size:34px;}
}

/* roulang page: category1 */
:root{
  --mk-primary:#1A62C4;
  --mk-primary-dark:#124A99;
  --mk-primary-light:#E8F0FC;
  --mk-orange:#EA6A2B;
  --mk-teal:#12A594;
  --mk-ink:#0F172A;
  --mk-body:#475569;
  --mk-muted:#94A3B8;
  --mk-line:#E2E8F0;
  --mk-bg:#F5F8FC;
  --mk-soft:#EFF6FF;
  --mk-white:#FFFFFF;
  --mk-radius-card:14px;
  --mk-radius-btn:10px;
  --mk-radius-img:12px;
  --mk-shadow:0 6px 20px rgba(15,23,42,.06);
  --mk-shadow-hover:0 14px 34px rgba(15,23,42,.10);
  --mk-nav-h:76px;
  --mk-font:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --mk-ease:.25s ease;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--mk-font);
  font-size:16px;
  line-height:1.75;
  color:var(--mk-body);
  background:var(--mk-bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--mk-primary);text-decoration:none;transition:color var(--mk-ease);}
a:hover{color:var(--mk-primary-dark);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--mk-ink);font-weight:700;line-height:1.3;}
h1{font-size:clamp(28px,4vw,44px);line-height:1.25;}
h2{font-size:clamp(23px,2.6vw,31px);}
h3{font-size:21px;font-weight:600;}
h4{font-size:17px;font-weight:600;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(26,98,196,.28);outline-offset:2px;border-radius:6px;}

.mk-container{max-width:1200px;margin:0 auto;padding:0 24px;}
.mk-section{padding:96px 0;}
.mk-section--white{background:var(--mk-white);}
.mk-section--soft{background:var(--mk-soft);}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  height:var(--mk-nav-h);
  background:rgba(255,255,255,.62);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid rgba(255,255,255,.55);
  box-shadow:0 2px 14px rgba(15,23,42,.05);
  transition:height .28s ease,background .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.site-header.is-scrolled{
  height:64px;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--mk-primary);
  box-shadow:0 8px 24px rgba(15,23,42,.10);
}
.nav-inner{
  max-width:1200px;margin:0 auto;padding:0 24px;height:100%;
  display:flex;align-items:center;gap:28px;
}
.logo{display:flex;align-items:center;gap:11px;flex:0 0 auto;color:var(--mk-ink);}
.logo:hover{color:var(--mk-ink);}
.logo-mark{
  width:34px;height:34px;border-radius:50%;flex:0 0 auto;position:relative;
  background:conic-gradient(from 140deg,var(--mk-primary) 0 62%,var(--mk-orange) 62% 76%,var(--mk-primary-light) 76% 100%);
}
.logo-mark::after{content:"";position:absolute;inset:9px;border-radius:50%;background:#fff;}
.logo-text{display:flex;flex-direction:column;font-size:19px;font-weight:700;letter-spacing:.2px;line-height:1.15;}
.logo-text small{font-size:10px;font-weight:500;letter-spacing:1.4px;color:var(--mk-muted);}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-links a{
  position:relative;display:inline-block;padding:9px 12px;font-size:15px;font-weight:500;
  color:#334155;border-radius:8px;transition:color var(--mk-ease);
}
.nav-links a::after{
  content:"";position:absolute;left:50%;bottom:3px;width:0;height:2px;background:var(--mk-primary);
  transform:translateX(-50%);transition:width var(--mk-ease);border-radius:2px;
}
.nav-links a:hover{color:var(--mk-primary);}
.nav-links a:hover::after{width:60%;}
.nav-links a.active{color:var(--mk-primary);font-weight:700;}
.nav-links a.active::after{width:60%;}
.nav-right{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-search{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--mk-line);background:#fff;
  color:var(--mk-body);display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:all var(--mk-ease);
}
.nav-search:hover{border-color:var(--mk-primary);color:var(--mk-primary);background:var(--mk-primary-light);}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--mk-line);background:#fff;border-radius:10px;
  cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--mk-ink);border-radius:2px;transition:transform .25s ease,opacity .25s ease;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.nav-backdrop{
  position:fixed;inset:0;background:rgba(15,23,42,.42);z-index:998;opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;
}
.nav-backdrop.is-open{opacity:1;visibility:visible;}

/* ---------- 按钮 ---------- */
.btn-mk{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;font-size:15px;font-weight:600;line-height:1;border-radius:var(--mk-radius-btn);
  border:1px solid transparent;cursor:pointer;transition:all var(--mk-ease);white-space:nowrap;
}
.btn-mk-primary{background:var(--mk-primary);color:#fff;box-shadow:0 6px 16px rgba(26,98,196,.24);}
.btn-mk-primary:hover{background:var(--mk-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(26,98,196,.30);}
.btn-mk-ghost{background:#fff;color:var(--mk-primary);border-color:var(--mk-primary);}
.btn-mk-ghost:hover{background:var(--mk-primary-light);color:var(--mk-primary-dark);border-color:var(--mk-primary-dark);}
.btn-mk-sm{padding:11px 20px;font-size:14px;}
.btn-mk:active{transform:translateY(0);}
.btn-mk[disabled]{opacity:.5;cursor:not-allowed;box-shadow:none;}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:calc(var(--mk-nav-h) + 74px) 0 74px;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(255,255,255,.97) 0%,rgba(255,255,255,.90) 42%,rgba(255,255,255,.58) 78%,rgba(255,255,255,.36) 100%);
}
.page-hero > .mk-container{position:relative;z-index:2;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--mk-muted);margin-bottom:22px;}
.crumb a{color:var(--mk-body);}
.crumb a:hover{color:var(--mk-primary);}
.crumb span.sep{color:var(--mk-muted);}
.crumb .current{color:var(--mk-primary);font-weight:600;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:7px 15px;border-radius:999px;
  background:var(--mk-primary-light);color:var(--mk-primary-dark);
  font-size:13px;font-weight:600;letter-spacing:.3px;margin-bottom:18px;
}
.eyebrow i{color:var(--mk-teal);}
.page-hero h1{max-width:820px;margin-bottom:18px;}
.hero-lead{max-width:700px;font-size:17px;color:var(--mk-body);margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  background:rgba(255,255,255,.78);border:1px solid var(--mk-line);border-radius:var(--mk-radius-card);
  padding:22px 26px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  box-shadow:var(--mk-shadow);max-width:900px;
}
.stat-item{border-left:2px solid var(--mk-primary-light);padding-left:16px;}
.stat-item:first-child{border-left-color:var(--mk-orange);}
.stat-num{font-size:27px;font-weight:700;color:var(--mk-orange);font-variant-numeric:tabular-nums;line-height:1.2;}
.stat-label{font-size:13px;color:var(--mk-muted);}

/* ---------- 通用板块头 ---------- */
.sec-head{max-width:780px;margin-bottom:44px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-head h2{margin-bottom:14px;}
.sec-head p{font-size:16px;color:var(--mk-body);}
.sec-tag{
  display:inline-block;padding:5px 13px;border-radius:999px;background:var(--mk-primary-light);
  color:var(--mk-primary-dark);font-size:13px;font-weight:600;margin-bottom:14px;
}

/* ---------- 说明图文 ---------- */
.intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;}
.intro-media{position:relative;}
.intro-media img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--mk-radius-img);box-shadow:var(--mk-shadow);}
.intro-media .float-card{
  position:absolute;right:-18px;bottom:-24px;background:#fff;border:1px solid var(--mk-line);
  border-radius:var(--mk-radius-card);box-shadow:var(--mk-shadow-hover);padding:16px 20px;min-width:190px;
}
.intro-media .float-card strong{display:block;font-size:22px;color:var(--mk-teal);font-variant-numeric:tabular-nums;}
.intro-media .float-card span{font-size:13px;color:var(--mk-muted);}
.point-list{display:grid;gap:22px;margin-top:26px;}
.point-item{display:flex;gap:16px;padding:22px;background:var(--mk-white);border:1px solid var(--mk-line);border-radius:var(--mk-radius-card);box-shadow:var(--mk-shadow);transition:all var(--mk-ease);}
.point-item:hover{transform:translateY(-3px);box-shadow:var(--mk-shadow-hover);border-color:rgba(26,98,196,.3);}
.point-icon{
  flex:0 0 auto;width:44px;height:44px;border-radius:12px;background:var(--mk-primary-light);color:var(--mk-primary);
  display:flex;align-items:center;justify-content:center;font-size:17px;
}
.point-item h3{font-size:18px;margin-bottom:6px;}
.point-item p{font-size:14.5px;margin:0;}

/* ---------- 品类卡列表 ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.cat-card{
  background:var(--mk-white);border:1px solid var(--mk-line);border-radius:var(--mk-radius-card);
  overflow:hidden;box-shadow:var(--mk-shadow);transition:all var(--mk-ease);display:flex;flex-direction:column;
}
.cat-card:hover{transform:translateY(-3px);box-shadow:var(--mk-shadow-hover);border-color:rgba(26,98,196,.3);}
.cat-thumb{position:relative;overflow:hidden;aspect-ratio:16/10;}
.cat-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.cat-card:hover .cat-thumb img{transform:scale(1.03);}
.cat-thumb .cat-index{
  position:absolute;top:14px;left:14px;background:rgba(255,255,255,.92);color:var(--mk-primary-dark);
  font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px;letter-spacing:.5px;
}
.cat-body{padding:26px;display:flex;flex-direction:column;flex:1;}
.cat-body h3{margin-bottom:10px;}
.cat-body p{font-size:14.5px;margin-bottom:16px;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;background:var(--mk-primary-light);color:var(--mk-primary-dark);
}
.tag-teal{background:rgba(18,165,148,.12);color:#0C7A6D;}
.tag-orange{background:rgba(234,106,43,.12);color:#B44C18;}
.card-link{margin-top:auto;font-size:14.5px;font-weight:600;display:inline-flex;align-items:center;gap:7px;}
.card-link i{transition:transform var(--mk-ease);font-size:12px;}
.card-link:hover i{transform:translateX(4px);}

/* ---------- 场景 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.scene-item{
  background:var(--mk-white);border:1px solid var(--mk-line);border-radius:var(--mk-radius-card);
  padding:30px;box-shadow:var(--mk-shadow);transition:all var(--mk-ease);position:relative;overflow:hidden;
}
.scene-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--mk-teal);opacity:0;transition:opacity var(--mk-ease);}
.scene-item:hover{transform:translateY(-3px);box-shadow:var(--mk-shadow-hover);border-color:rgba(18,165,148,.35);}
.scene-item:hover::before{opacity:1;}
.scene-num{font-size:34px;font-weight:700;color:var(--mk-teal);font-variant-numeric:tabular-nums;line-height:1;margin-bottom:14px;display:block;}
.scene-item h3{font-size:19px;margin-bottom:10px;}
.scene-item p{font-size:14.5px;margin-bottom:14px;}
.scene-points{display:grid;gap:8px;}
.scene-points li{position:relative;padding-left:18px;font-size:14px;color:var(--mk-body);}
.scene-points li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:2px;background:var(--mk-primary);}

/* ---------- 流程 ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;counter-reset:flow;}
.flow-item{
  background:var(--mk-white);border:1px solid var(--mk-line);border-radius:var(--mk-radius-card);
  padding:26px 22px;box-shadow:var(--mk-shadow);position:relative;transition:all var(--mk-ease);
}
.flow-item:hover{transform:translateY(-3px);box-shadow:var(--mk-shadow-hover);border-color:rgba(26,98,196,.3);}
.flow-step{
  width:36px;height:36px;border-radius:10px;background:var(--mk-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;margin-bottom:16px;
}
.flow-item h3{font-size:17px;margin-bottom:8px;}
.flow-item p{font-size:14px;margin:0;}

/* ---------- 保障 ---------- */
.guard-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.guard-item{
  background:var(--mk-white);border:1px solid var(--mk-line);border-radius:var(--mk-radius-card);
  padding:26px 22px;box-shadow:var(--mk-shadow);transition:all var(--mk-ease);
}
.guard-item:hover{transform:translateY(-3px);box-shadow:var(--mk-shadow-hover);border-color:rgba(26,98,196,.3);}
.guard-item i{font-size:20px;color:var(--mk-primary);margin-bottom:14px;display:block;}
.guard-item h3{font-size:17px;margin-bottom:8px;}
.guard-item p{font-size:14px;margin:0;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;display:grid;gap:14px;}
.faq-item{
  background:var(--mk-white);border:1px solid var(--mk-line);border-radius:var(--mk-radius-card);
  box-shadow:var(--mk-shadow);overflow:hidden;transition:all var(--mk-ease);
}
.faq-item.open{border-color:rgba(26,98,196,.3);background:var(--mk-primary-light);box-shadow:var(--mk-shadow-hover);}
.faq-q{
  width:100%;display:flex;align-items:center;gap:16px;text-align:left;background:none;border:0;
  padding:22px 24px;font-size:16.5px;font-weight:600;color:var(--mk-ink);cursor:pointer;position:relative;
}
.faq-q::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;background:var(--mk-primary);opacity:0;transition:opacity var(--mk-ease);}
.faq-item.open .faq-q::before{opacity:1;}
.faq-num{font-size:14px;font-weight:700;color:var(--mk-primary);font-variant-numeric:tabular-nums;flex:0 0 auto;}
.faq-arrow{
  margin-left:auto;flex:0 0 auto;width:12px;height:12px;border-right:2px solid var(--mk-muted);
  border-bottom:2px solid var(--mk-muted);transform:rotate(45deg);transition:transform .25s ease,border-color .25s ease;
  position:relative;top:-3px;
}
.faq-item.open .faq-arrow{transform:rotate(-135deg);top:3px;border-color:var(--mk-primary);}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s ease;}
.faq-item.open .faq-a{grid-template-rows:1fr;}
.faq-a-inner{overflow:hidden;}
.faq-a-inner p{padding:0 24px 24px 58px;font-size:15px;margin:0;}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--mk-soft);border:1px solid var(--mk-line);border-radius:18px;
  padding:52px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
}
.cta-band h2{font-size:clamp(21px,2.3vw,27px);margin-bottom:10px;}
.cta-band p{margin:0;font-size:15.5px;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:18px;}
.cta-link{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--mk-primary-dark);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--mk-ink);color:#CBD5E1;padding:70px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:46px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand .logo-text small{color:#7C8DA6;}
.footer-brand p{font-size:14px;color:#A9B6C8;margin-top:16px;max-width:340px;}
.footer-col h4{color:#fff;font-size:15.5px;margin-bottom:18px;}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{color:#A9B6C8;font-size:14px;}
.footer-col a:hover{color:#7FB2F0;}
.footer-contact li{font-size:14px;color:#A9B6C8;}
.footer-contact strong{color:#fff;font-weight:600;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);padding:22px 0 30px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  font-size:13px;color:#7C8DA6;
}
.to-top{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);color:#E2E8F0;
  padding:9px 16px;border-radius:999px;font-size:13px;cursor:pointer;transition:all var(--mk-ease);
}
.to-top:hover{background:var(--mk-primary);border-color:var(--mk-primary);color:#fff;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .flow-grid{grid-template-columns:repeat(3,1fr);}
  .guard-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991px){
  .mk-section{padding:72px 0;}
  .nav-links{
    position:fixed;top:0;right:0;bottom:0;width:min(84vw,340px);background:#fff;
    flex-direction:column;align-items:stretch;gap:6px;padding:88px 22px 26px;margin-left:0;
    box-shadow:-14px 0 34px rgba(15,23,42,.14);transform:translateX(100%);
    transition:transform .28s ease;z-index:999;overflow-y:auto;
  }
  .nav-links.is-open{transform:translateX(0);}
  .nav-links a{font-size:17px;padding:15px 12px;border-bottom:1px solid var(--mk-line);border-radius:0;}
  .nav-links a::after{display:none;}
  .nav-links a.active{background:var(--mk-primary-light);border-radius:10px;border-bottom-color:transparent;}
  .nav-toggle{display:flex;}
  .intro-grid{grid-template-columns:1fr;gap:46px;}
  .intro-media .float-card{right:14px;bottom:-20px;}
  .cat-grid{grid-template-columns:1fr;}
  .scene-grid{grid-template-columns:1fr;}
  .flow-grid{grid-template-columns:repeat(2,1fr);}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:18px;}
  .cta-band{padding:38px 30px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:575px){
  .mk-container{padding:0 16px;}
  .nav-inner{padding:0 16px;}
  .mk-section{padding:56px 0;}
  .page-hero{padding:calc(var(--mk-nav-h) + 46px) 0 54px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn-mk{width:100%;}
  .hero-stats{grid-template-columns:1fr;padding:20px;}
  .cat-body,.scene-item,.flow-item,.guard-item{padding:20px;}
  .flow-grid,.guard-grid{grid-template-columns:1fr;}
  .cta-band{padding:30px 22px;border-radius:14px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .faq-a-inner p{padding:0 20px 22px 20px;}
  .faq-q{padding:18px 20px;font-size:15.5px;gap:12px;}
}

/* roulang page: article */
:root{
  --mk-primary:#1A62C4;
  --mk-primary-dark:#124A99;
  --mk-primary-soft:#E8F0FC;
  --mk-orange:#EA6A2B;
  --mk-teal:#12A594;
  --mk-ink:#0F172A;
  --mk-text:#475569;
  --mk-muted:#94A3B8;
  --mk-line:#E2E8F0;
  --mk-bg:#F5F8FC;
  --mk-soft:#EFF6FF;
  --mk-white:#FFFFFF;
  --mk-radius:14px;
  --mk-radius-btn:10px;
  --mk-radius-img:12px;
  --mk-shadow:0 6px 20px rgba(15,23,42,.06);
  --mk-shadow-hover:0 14px 34px rgba(15,23,42,.10);
  --mk-container:1200px;
  --mk-header-h:76px;
  --mk-font:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--mk-font);
  font-size:16px;
  line-height:1.75;
  color:var(--mk-text);
  background:var(--mk-white);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,h6{margin:0;color:var(--mk-ink);font-weight:700;line-height:1.3;}
p{margin:0 0 1.2em;}
img{max-width:100%;height:auto;display:block;}
a{color:var(--mk-primary);text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--mk-primary-dark);}
button{font-family:inherit;border:0;background:none;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(26,98,196,.25);border-radius:6px;}
.container{width:100%;max-width:var(--mk-container);margin:0 auto;padding:0 24px;}

/* ---------- 通用按钮 ---------- */
.btn-mk{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;
  padding:14px 24px;border-radius:var(--mk-radius-btn);
  border:1px solid transparent;cursor:pointer;
  transition:background .25s ease,color .25s ease,border-color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.btn-mk-primary{background:var(--mk-primary);color:#fff;box-shadow:0 8px 18px rgba(26,98,196,.22);}
.btn-mk-primary:hover{background:var(--mk-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px rgba(18,74,153,.28);}
.btn-mk-primary:active{transform:translateY(0);background:var(--mk-primary-dark);}
.btn-mk-outline{background:#fff;color:var(--mk-primary);border-color:rgba(26,98,196,.45);}
.btn-mk-outline:hover{background:var(--mk-primary-soft);color:var(--mk-primary-dark);border-color:var(--mk-primary);transform:translateY(-1px);}
.btn-mk-sm{padding:10px 18px;font-size:14px;}
.btn-mk-lg{padding:16px 30px;font-size:16px;}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  height:var(--mk-header-h);
  background:rgba(255,255,255,.62);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid rgba(255,255,255,.6);
  box-shadow:0 4px 18px rgba(15,23,42,.05);
  transition:height .28s ease,background .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.site-header.is-scrolled{
  height:64px;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--mk-line);
  box-shadow:0 8px 26px rgba(15,23,42,.09);
}
.nav-inner{
  max-width:var(--mk-container);margin:0 auto;padding:0 24px;height:100%;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.logo{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.logo-mark{
  position:relative;width:34px;height:34px;border-radius:11px;flex-shrink:0;
  background:linear-gradient(135deg,var(--mk-primary),#3F86E0);
  box-shadow:0 6px 14px rgba(26,98,196,.28);
}
.logo-mark::before{content:"";position:absolute;left:9px;top:9px;width:16px;height:16px;border:2.5px solid #fff;border-radius:50%;border-right-color:transparent;border-bottom-color:transparent;transform:rotate(-30deg);}
.logo-mark::after{content:"";position:absolute;right:6px;top:6px;width:6px;height:6px;border-radius:50%;background:var(--mk-orange);}
.logo-text{display:flex;flex-direction:column;font-size:19px;font-weight:700;color:var(--mk-ink);line-height:1.1;}
.logo-text small{font-size:9.5px;font-weight:600;letter-spacing:1.6px;color:var(--mk-muted);margin-top:3px;}
.nav-links{display:flex;align-items:center;gap:30px;}
.nav-links a{position:relative;font-size:15px;font-weight:500;color:#334155;padding:6px 0;}
.nav-links a::after{content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);width:0;height:2px;border-radius:2px;background:var(--mk-primary);transition:width .25s ease;}
.nav-links a:hover{color:var(--mk-primary);}
.nav-links a:hover::after,.nav-links a.active::after{width:100%;}
.nav-links a.active{color:var(--mk-primary);font-weight:700;}
.nav-right{display:flex;align-items:center;gap:14px;}
.nav-search{
  width:38px;height:38px;border-radius:50%;border:1px solid var(--mk-line);background:rgba(255,255,255,.7);
  display:inline-flex;align-items:center;justify-content:center;color:var(--mk-text);
  transition:border-color .25s ease,color .25s ease,background .25s ease;
}
.nav-search:hover{border-color:var(--mk-primary);color:var(--mk-primary);background:var(--mk-primary-soft);}
.nav-toggle{display:none;width:40px;height:40px;border-radius:10px;flex-direction:column;justify-content:center;align-items:center;gap:5px;border:1px solid var(--mk-line);background:rgba(255,255,255,.75);}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--mk-ink);transition:transform .25s ease,opacity .25s ease;}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.nav-backdrop{position:fixed;inset:0;background:rgba(15,23,42,.42);opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease;z-index:75;}
.nav-backdrop.show{opacity:1;visibility:visible;}

/* ---------- 面包屑 + 文章头 ---------- */
.page-banner{
  position:relative;
  padding:148px 0 52px;
  background-image:linear-gradient(180deg,rgba(255,255,255,.92) 0%,rgba(255,255,255,.82) 50%,var(--mk-bg) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--mk-line);
}
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13.5px;color:var(--mk-muted);margin-bottom:22px;}
.crumb a{color:var(--mk-text);}
.crumb a:hover{color:var(--mk-primary);}
.crumb-sep{color:#CBD5E1;}
.crumb-now{max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--mk-muted);}
.banner-body{max-width:900px;}
.badge-mk{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;font-size:12.5px;font-weight:600;line-height:1.4;
}
.badge-cat{background:var(--mk-primary-soft);color:var(--mk-primary-dark);}
.badge-scene{background:rgba(18,165,148,.12);color:#0B7F72;}
.badge-num{background:rgba(234,106,43,.12);color:#C24F17;}
.banner-body h1{
  font-size:clamp(28px,4vw,44px);
  line-height:1.25;font-weight:700;letter-spacing:.2px;
  margin:16px 0 18px;
}
.banner-meta{display:flex;align-items:center;flex-wrap:wrap;gap:14px;font-size:13.5px;color:var(--mk-muted);}
.banner-meta .dot{width:4px;height:4px;border-radius:50%;background:#CBD5E1;}

/* ---------- 文章布局 ---------- */
.article-section{padding:44px 0 88px;background:var(--mk-white);}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 308px;gap:34px;align-items:start;}
.article-card{
  background:#fff;border:1px solid var(--mk-line);border-radius:18px;
  padding:44px 48px;box-shadow:var(--mk-shadow);
}
.article-body{font-size:16.5px;line-height:1.85;color:#3A4A61;}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  position:relative;font-size:26px;font-weight:700;color:var(--mk-ink);
  padding-left:14px;border-left:4px solid var(--mk-primary);
  margin:2.2em 0 .9em;line-height:1.4;
}
.article-body h3{font-size:20px;font-weight:600;color:var(--mk-ink);margin:1.8em 0 .7em;}
.article-body h4{font-size:17px;font-weight:600;color:var(--mk-ink);margin:1.5em 0 .6em;}
.article-body ul,.article-body ol{padding-left:1.35em;margin:0 0 1.3em;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin-bottom:8px;padding-left:2px;}
.article-body ul li::marker{color:var(--mk-primary);}
.article-body ol li::marker{color:var(--mk-primary);font-weight:700;}
.article-body a{color:var(--mk-primary);border-bottom:1px solid rgba(26,98,196,.35);}
.article-body a:hover{color:var(--mk-primary-dark);border-bottom-color:var(--mk-primary-dark);}
.article-body strong{color:var(--mk-ink);font-weight:600;}
.article-body blockquote{
  background:var(--mk-primary-soft);
  border-left:3px solid var(--mk-primary);
  border-radius:var(--mk-radius);
  padding:18px 22px;margin:1.6em 0;color:var(--mk-primary-dark);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--mk-radius-img);margin:1.6em auto;}
.article-body figure{margin:1.8em 0;}
.article-body figcaption{font-size:13px;color:var(--mk-muted);text-align:center;margin-top:10px;}
.article-body table{
  width:100%;border-collapse:collapse;font-size:15px;margin:1.6em 0;
  display:block;overflow-x:auto;white-space:nowrap;
}
.article-body thead th{background:var(--mk-primary-soft);color:var(--mk-primary-dark);font-weight:600;text-align:left;}
.article-body th,.article-body td{padding:12px 15px;border:1px solid var(--mk-line);}
.article-body tbody tr:nth-child(even){background:#F8FAFD;}
.article-body code{
  background:#F1F5F9;border:1px solid var(--mk-line);border-radius:6px;
  padding:2px 6px;font-size:14px;color:var(--mk-ink);
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.article-body pre{
  background:var(--mk-bg);border:1px solid var(--mk-line);border-radius:var(--mk-radius-img);
  padding:16px 18px;overflow-x:auto;margin:1.6em 0;
}
.article-body pre code{background:none;border:0;padding:0;}
.article-body hr{border:0;border-top:1px solid var(--mk-line);margin:2.2em 0;}
.article-body .empty-state{text-align:center;padding:10px 0 4px;}
.article-body .empty-state img{max-width:420px;width:100%;margin:0 auto 24px;}
.article-body .empty-state h2{border-left:0;padding-left:0;font-size:22px;margin:0 0 12px;text-align:center;}
.article-body .empty-state p{max-width:540px;margin:0 auto 24px;color:var(--mk-text);}

/* ---------- 文章底部 ---------- */
.article-foot{margin-top:44px;padding-top:28px;border-top:1px solid var(--mk-line);}
.tag-row{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-bottom:26px;}
.tag-label{font-size:13.5px;color:var(--mk-muted);}
.tag-mk{
  display:inline-flex;align-items:center;padding:7px 15px;border-radius:999px;
  background:var(--mk-bg);border:1px solid var(--mk-line);
  font-size:13.5px;color:var(--mk-text);font-weight:500;
  transition:all .25s ease;
}
.tag-mk:hover{background:var(--mk-primary-soft);border-color:rgba(26,98,196,.4);color:var(--mk-primary-dark);transform:translateY(-1px);}
.foot-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:92px;display:grid;gap:20px;}
.side-card{
  background:#fff;border:1px solid var(--mk-line);border-radius:var(--mk-radius);
  padding:22px 22px 20px;box-shadow:var(--mk-shadow);
}
.side-title{
  display:flex;align-items:center;gap:8px;
  font-size:15px;font-weight:700;color:var(--mk-ink);margin-bottom:14px;
}
.side-title::before{content:"";width:4px;height:15px;border-radius:2px;background:var(--mk-teal);}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-link{
  display:block;font-size:14px;line-height:1.6;color:var(--mk-text);
  padding:9px 12px;border-radius:9px;border-left:3px solid transparent;
  transition:all .22s ease;
}
.toc-link:hover{background:var(--mk-bg);color:var(--mk-primary);}
.toc-link.active{background:var(--mk-primary-soft);border-left-color:var(--mk-primary);color:var(--mk-primary-dark);font-weight:600;}
.side-list li + li{margin-top:2px;}
.side-list a{
  display:block;font-size:14px;color:var(--mk-text);padding:9px 0;
  border-bottom:1px dashed var(--mk-line);
}
.side-list li:last-child a{border-bottom:0;}
.side-list a:hover{color:var(--mk-primary);}
.side-help{background:linear-gradient(180deg,var(--mk-soft),#fff);}
.side-help p{font-size:13.5px;color:var(--mk-text);margin:0 0 14px;line-height:1.8;}
.side-help .side-line{font-size:14px;color:var(--mk-ink);font-weight:600;margin-bottom:4px;}
.side-help .btn-mk{width:100%;}

/* ---------- 相关阅读 ---------- */
.related-section{padding:88px 0;background:var(--mk-bg);}
.section-head{margin-bottom:34px;max-width:720px;}
.section-head .eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:1.4px;
  color:var(--mk-teal);text-transform:uppercase;margin-bottom:10px;
}
.section-head h2{font-size:clamp(24px,3vw,31px);margin-bottom:12px;}
.section-head p{font-size:15.5px;color:var(--mk-text);margin:0;}
.card-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.card-mk{
  display:flex;flex-direction:column;height:100%;
  background:#fff;border:1px solid var(--mk-line);border-radius:var(--mk-radius);
  box-shadow:var(--mk-shadow);overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card-mk:hover{transform:translateY(-3px);box-shadow:var(--mk-shadow-hover);border-color:rgba(26,98,196,.3);}
.card-media{aspect-ratio:16/10;overflow:hidden;background:var(--mk-bg);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.card-mk:hover .card-media img{transform:scale(1.03);}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:18.5px;line-height:1.45;}
.card-body p{font-size:14.5px;color:var(--mk-text);margin:0;line-height:1.75;}
.card-link{margin-top:auto;font-size:14px;font-weight:600;color:var(--mk-primary);display:inline-flex;align-items:center;gap:6px;}
.card-mk:hover .card-link{color:var(--mk-primary-dark);}

/* ---------- 底部 CTA ---------- */
.cta-section{padding:0 0 92px;background:var(--mk-bg);}
.cta-band{
  background:var(--mk-soft);border:1px solid #D8E6FA;border-radius:20px;
  padding:46px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(22px,2.6vw,28px);margin-bottom:10px;}
.cta-band p{margin:0;font-size:15px;color:var(--mk-text);max-width:620px;}
.cta-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap;}
.cta-actions .link-text{font-size:14.5px;font-weight:600;color:var(--mk-primary-dark);}
.cta-actions .link-text:hover{color:var(--mk-primary);}

/* ---------- 页脚 ---------- */
.site-footer{background:#F5F8FC;border-top:1px solid var(--mk-line);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px;}
.footer-brand .logo-text{color:var(--mk-ink);}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--mk-text);margin:16px 0 0;max-width:340px;}
.footer-col h4{font-size:15px;font-weight:700;color:var(--mk-ink);margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:var(--mk-text);}
.footer-col a:hover{color:var(--mk-primary);}
.footer-contact li{font-size:14px;color:var(--mk-text);line-height:1.9;}
.footer-contact strong{color:var(--mk-ink);font-weight:600;}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  padding:20px 0 26px;border-top:1px solid var(--mk-line);
  font-size:13px;color:var(--mk-muted);
}
.to-top{
  background:#fff;border:1px solid var(--mk-line);border-radius:999px;
  padding:8px 16px;font-size:13px;color:var(--mk-text);
  transition:all .25s ease;
}
.to-top:hover{border-color:var(--mk-primary);color:var(--mk-primary);transform:translateY(-1px);}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .article-layout{grid-template-columns:minmax(0,1fr) 286px;gap:28px;}
  .article-card{padding:38px 34px;}
}
@media (max-width:991.98px){
  .nav-toggle{display:flex;}
  .nav-links{
    position:fixed;top:0;right:0;bottom:0;width:min(320px,84vw);
    background:#fff;flex-direction:column;align-items:stretch;gap:0;
    padding:88px 24px 32px;transform:translateX(102%);
    transition:transform .28s ease;box-shadow:-14px 0 34px rgba(15,23,42,.14);
    z-index:78;overflow-y:auto;
  }
  .nav-links.open{transform:translateX(0);}
  .nav-links a{font-size:17px;padding:15px 4px;border-bottom:1px solid var(--mk-line);}
  .nav-links a::after{display:none;}
  .nav-links a.active{color:var(--mk-primary);}
  .page-banner{padding:126px 0 44px;}
  .article-layout{grid-template-columns:minmax(0,1fr);}
  .article-side{position:static;}
  .card-grid-3{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .cta-band{padding:36px 28px;}
}
@media (max-width:575.98px){
  .container{padding:0 16px;}
  .site-header{height:64px;}
  .logo-text{font-size:17px;}
  .logo-text small{letter-spacing:1.2px;}
  .nav-right .btn-mk{display:none;}
  .page-banner{padding:112px 0 38px;}
  .banner-body h1{font-size:26px;}
  .crumb-now{max-width:170px;}
  .article-section{padding:32px 0 60px;}
  .article-card{padding:26px 20px;border-radius:16px;}
  .article-body{font-size:16px;}
  .article-body h2{font-size:21px;}
  .article-body h3{font-size:18px;}
  .related-section{padding:60px 0;}
  .cta-section{padding-bottom:64px;}
  .card-grid-3{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .foot-actions .btn-mk{width:100%;}
  .cta-actions{width:100%;}
  .cta-actions .btn-mk{width:100%;}
}

/* roulang page: category2 */
:root{
  --mk-primary:#1A62C4;
  --mk-primary-dark:#124A99;
  --mk-primary-soft:#E8F0FC;
  --mk-orange:#EA6A2B;
  --mk-teal:#12A594;
  --mk-ink:#0F172A;
  --mk-text:#475569;
  --mk-muted:#94A3B8;
  --mk-line:#E2E8F0;
  --mk-bg:#F5F8FC;
  --mk-softblue:#EFF6FF;
  --mk-white:#FFFFFF;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 6px 20px rgba(15,23,42,.06);
  --sh-2:0 14px 34px rgba(15,23,42,.10);
  --t:.25s ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--mk-text);
  background:var(--mk-white);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{margin:0;color:var(--mk-ink);font-weight:700;line-height:1.3}
p{margin:0 0 1.2em}
a{color:var(--mk-primary);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--mk-primary-dark)}
img{max-width:100%;display:block}
button{font-family:inherit}
ul{margin:0;padding:0;list-style:none}
.container{width:100%;margin:0 auto;padding-left:24px;padding-right:24px;max-width:1200px}
@media (min-width:576px){.container{max-width:1200px}}
@media (min-width:768px){.container{max-width:1200px}}
@media (min-width:992px){.container{max-width:1200px}}
@media (min-width:1200px){.container{max-width:1200px}}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(26,98,196,.25);border-radius:6px}
.num{font-variant-numeric:tabular-nums}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:rgba(255,255,255,.62);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid rgba(255,255,255,.75);
  box-shadow:0 4px 18px rgba(15,23,42,.05);
  transition:background var(--t),box-shadow var(--t),border-color var(--t);
}
.site-header.scrolled{
  background:rgba(255,255,255,.96);
  border-bottom:1px solid rgba(26,98,196,.18);
  box-shadow:0 8px 26px rgba(15,23,42,.09);
}
.nav-inner{
  max-width:1200px;margin:0 auto;padding:0 24px;
  height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px;
  transition:height var(--t);
}
.site-header.scrolled .nav-inner{height:64px}
.logo{display:flex;align-items:center;gap:11px;flex:none}
.logo-mark{
  width:34px;height:34px;border-radius:11px;position:relative;flex:none;
  background:linear-gradient(135deg,var(--mk-primary),var(--mk-teal));
  box-shadow:0 6px 16px rgba(26,98,196,.28);
}
.logo-mark::before{
  content:"";position:absolute;inset:9px;border-radius:50%;
  border:2px solid rgba(255,255,255,.92);border-right-color:transparent;border-bottom-color:transparent;
  transform:rotate(-35deg);
}
.logo-text{
  display:flex;flex-direction:column;font-size:17px;font-weight:700;color:var(--mk-ink);
  line-height:1.15;letter-spacing:.2px;
}
.logo-text small{
  font-size:10px;font-weight:600;letter-spacing:1.3px;color:var(--mk-muted);margin-top:3px;
}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{
  position:relative;font-size:15px;font-weight:500;color:var(--mk-text);padding:6px 0;
}
.nav-links a::after{
  content:"";position:absolute;left:50%;bottom:0;width:0;height:2px;background:var(--mk-primary);
  border-radius:2px;transform:translateX(-50%);transition:width var(--t);
}
.nav-links a:hover{color:var(--mk-primary)}
.nav-links a:hover::after{width:100%}
.nav-links a.active{color:var(--mk-primary);font-weight:700}
.nav-links a.active::after{width:100%}
.nav-right{display:flex;align-items:center;gap:14px}
.nav-search{
  width:38px;height:38px;border-radius:50%;border:1px solid var(--mk-line);background:#fff;
  color:var(--mk-text);display:flex;align-items:center;justify-content:center;cursor:pointer;
  transition:all var(--t);
}
.nav-search:hover{border-color:var(--mk-primary);color:var(--mk-primary);background:var(--mk-primary-soft)}
.btn-mk{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;border-radius:var(--r-btn);padding:12px 24px;
  border:1px solid transparent;cursor:pointer;transition:all var(--t);text-align:center;
}
.btn-mk-primary{background:var(--mk-primary);color:#fff;box-shadow:0 6px 16px rgba(26,98,196,.22)}
.btn-mk-primary:hover{background:var(--mk-primary-dark);color:#fff;transform:translateY(-1px)}
.btn-mk-primary:active{transform:translateY(0)}
.btn-mk-outline{background:#fff;border-color:var(--mk-primary);color:var(--mk-primary)}
.btn-mk-outline:hover{background:var(--mk-primary-soft);color:var(--mk-primary-dark)}
.btn-mk-soft{background:var(--mk-primary-soft);color:var(--mk-primary-dark)}
.btn-mk-soft:hover{background:#dbe8fa;color:var(--mk-primary-dark)}
.btn-mk-sm{padding:9px 18px;font-size:14px}
.btn-mk-block{width:100%}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--mk-line);background:#fff;
  flex-direction:column;justify-content:center;align-items:center;gap:4px;cursor:pointer;
}
.nav-toggle span{width:18px;height:2px;background:var(--mk-ink);border-radius:2px;transition:all var(--t)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- 页面 Hero ---------- */
.page-hero{position:relative;padding:158px 0 92px;overflow:hidden;background:var(--mk-bg)}
.page-hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center right;
}
.page-hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(255,255,255,.97) 0%,rgba(255,255,255,.9) 42%,rgba(255,255,255,.66) 72%,rgba(245,248,252,.92) 100%);
}
.page-hero-inner{position:relative;z-index:2;max-width:900px}
.breadcrumb-mk{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--mk-muted);margin-bottom:20px}
.breadcrumb-mk a{color:var(--mk-muted)}
.breadcrumb-mk a:hover{color:var(--mk-primary)}
.breadcrumb-mk .sep{color:#cbd5e1}
.breadcrumb-mk .current{color:var(--mk-text);font-weight:600}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--mk-primary-dark);
  background:rgba(255,255,255,.85);border:1px solid rgba(26,98,196,.22);border-radius:999px;padding:6px 15px;margin-bottom:20px;
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--mk-teal)}
.page-hero h1{font-size:clamp(28px,4vw,44px);letter-spacing:-.4px;margin-bottom:18px}
.page-hero .lead{font-size:17px;color:var(--mk-text);max-width:660px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;max-width:840px;
  border-top:1px solid var(--mk-line);padding-top:26px;
}
.hero-stats li strong{display:block;font-size:26px;font-weight:700;color:var(--mk-orange);line-height:1.2}
.hero-stats li span{font-size:13px;color:var(--mk-muted)}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-bg{background:var(--mk-bg)}
.section-soft{background:var(--mk-softblue)}
.section-head{max-width:720px;margin-bottom:44px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{font-size:clamp(24px,2.6vw,32px);margin-bottom:14px}
.section-head p{font-size:16px;color:var(--mk-text);margin:0}
.tag-mk{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;
  border-radius:999px;padding:4px 12px;background:var(--mk-primary-soft);color:var(--mk-primary-dark);
}
.tag-mk.teal{background:rgba(18,165,148,.12);color:#0B7E71}
.tag-mk.orange{background:rgba(234,106,43,.12);color:#B94F1B}

/* ---------- 筛选 + 网格 ---------- */
.filter-panel{
  background:#fff;border:1px solid var(--mk-line);border-radius:var(--r-card);
  padding:24px 22px;box-shadow:var(--sh-1);
}
.filter-panel.sticky-lg{position:sticky;top:96px}
.filter-group + .filter-group{margin-top:24px;padding-top:24px;border-top:1px dashed var(--mk-line)}
.filter-label{font-size:13px;font-weight:700;color:var(--mk-ink);letter-spacing:.4px;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.filter-label i{width:6px;height:6px;border-radius:50%;background:var(--mk-teal);display:inline-block}
.chip-row{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  font-size:13px;font-weight:500;color:var(--mk-text);background:#fff;border:1px solid var(--mk-line);
  border-radius:999px;padding:7px 14px;cursor:pointer;transition:all var(--t);
}
.chip:hover{border-color:var(--mk-primary);color:var(--mk-primary);background:var(--mk-primary-soft)}
.chip.active{background:var(--mk-primary);border-color:var(--mk-primary);color:#fff;box-shadow:0 6px 14px rgba(26,98,196,.22)}
.filter-note{font-size:12px;color:var(--mk-muted);line-height:1.7;margin:0}

.grid-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;margin-bottom:22px}
.grid-head h2{font-size:20px}
.grid-head .count{font-size:13px;color:var(--mk-muted)}
.svc-card{
  height:100%;display:flex;flex-direction:column;background:#fff;border:1px solid var(--mk-line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:all var(--t);
}
.svc-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(26,98,196,.32)}
.svc-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--mk-primary-soft)}
.svc-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.svc-card:hover .svc-thumb img{transform:scale(1.03)}
.svc-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1 1 auto}
.svc-body h3{font-size:17px;font-weight:600;margin-bottom:10px}
.svc-body p{font-size:14px;color:var(--mk-text);margin-bottom:16px;flex:1 1 auto}
.svc-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.svc-link{font-size:14px;font-weight:600;color:var(--mk-primary);display:inline-flex;align-items:center;gap:6px}
.svc-link:hover{gap:10px}
.info-bar{
  margin-top:28px;background:var(--mk-softblue);border:1px solid rgba(26,98,196,.16);border-radius:var(--r-card);
  padding:18px 22px;display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:14px;color:var(--mk-text);
}
.info-bar strong{color:var(--mk-ink)}

/* ---------- 流程 ---------- */
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.step-card{
  background:#fff;border:1px solid var(--mk-line);border-radius:var(--r-card);padding:26px 22px;
  box-shadow:var(--sh-1);transition:all var(--t);position:relative;height:100%;
}
.step-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(26,98,196,.3)}
.step-num{
  font-size:22px;font-weight:700;color:var(--mk-teal);font-variant-numeric:tabular-nums;
  display:block;margin-bottom:12px;letter-spacing:.5px;
}
.step-card h3{font-size:17px;font-weight:600;margin-bottom:10px}
.step-card p{font-size:14px;margin:0}
.step-card::after{
  content:"";position:absolute;right:-13px;top:50%;width:14px;height:2px;background:var(--mk-line);
}
.step-grid .step-card:last-child::after{display:none}

/* ---------- 指标 ---------- */
.metric-band{
  background:#fff;border:1px solid var(--mk-line);border-radius:var(--r-card);box-shadow:var(--sh-1);
  padding:34px 28px;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.metric-band li{text-align:center;padding:0 8px}
.metric-band li + li{border-left:1px solid var(--mk-line)}
.metric-band strong{display:block;font-size:30px;font-weight:700;color:var(--mk-primary);line-height:1.2;font-variant-numeric:tabular-nums}
.metric-band strong em{font-style:normal;font-size:16px;font-weight:600;color:var(--mk-muted);margin-left:2px}
.metric-band span{font-size:13px;color:var(--mk-muted);display:block;margin-top:8px}
.quote-row{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:26px}
.quote-card{
  background:#fff;border:1px solid var(--mk-line);border-left:3px solid var(--mk-teal);
  border-radius:var(--r-card);padding:22px 22px 20px;box-shadow:var(--sh-1);
}
.quote-card p{font-size:14px;margin-bottom:14px}
.quote-card span{font-size:13px;color:var(--mk-muted)}

/* ---------- FAQ ---------- */
.faq-list{max-width:880px}
.faq-item{
  background:#fff;border:1px solid var(--mk-line);border-radius:var(--r-card);
  margin-bottom:14px;overflow:hidden;transition:all var(--t);
}
.faq-item:hover{border-color:rgba(26,98,196,.3)}
.faq-item.open{border-color:rgba(26,98,196,.35);box-shadow:var(--sh-1)}
.faq-head{
  width:100%;display:flex;align-items:center;gap:16px;background:none;border:0;
  padding:20px 22px;text-align:left;cursor:pointer;position:relative;
}
.faq-head::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;
  background:var(--mk-primary);opacity:0;transition:opacity var(--t);
}
.faq-item.open .faq-head::before{opacity:1}
.faq-num{font-size:13px;font-weight:700;color:var(--mk-primary);font-variant-numeric:tabular-nums;flex:none;width:26px}
.faq-q{flex:1 1 auto;font-size:16px;font-weight:600;color:var(--mk-ink);line-height:1.5}
.faq-arrow{
  flex:none;width:26px;height:26px;border-radius:50%;background:var(--mk-primary-soft);position:relative;
  transition:transform var(--t),background var(--t);
}
.faq-arrow::before,.faq-arrow::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--mk-primary);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-arrow::before{width:10px;height:2px}
.faq-arrow::after{width:2px;height:10px;transition:opacity var(--t)}
.faq-item.open .faq-arrow{transform:rotate(180deg);background:var(--mk-primary)}
.faq-item.open .faq-arrow::before{background:#fff}
.faq-item.open .faq-arrow::after{opacity:0}
.faq-body{display:none}
.faq-item.open .faq-body{display:block}
.faq-body-inner{
  padding:0 22px 22px 64px;font-size:15px;color:var(--mk-text);
}
.faq-body-inner p:last-child{margin-bottom:0}

/* ---------- CTA + 表单 ---------- */
.cta-band{
  background:var(--mk-softblue);border:1px solid rgba(26,98,196,.16);border-radius:18px;
  padding:48px 44px;display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;
}
.cta-band h2{font-size:clamp(23px,2.4vw,30px);margin-bottom:14px}
.cta-band .cta-text{font-size:16px;margin-bottom:22px;max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:18px}
.link-inline{font-size:14px;font-weight:600;color:var(--mk-primary-dark)}
.link-inline:hover{color:var(--mk-primary)}
.form-card{
  background:#fff;border:1px solid var(--mk-line);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--sh-1);
}
.form-card h3{font-size:17px;font-weight:600;margin-bottom:18px}
.form-mk .field{margin-bottom:16px}
.form-mk label{display:block;font-size:13px;font-weight:600;color:var(--mk-ink);margin-bottom:7px}
.form-mk input,.form-mk textarea{
  width:100%;height:48px;border:1px solid var(--mk-line);border-radius:var(--r-btn);
  padding:0 14px;font-size:15px;color:var(--mk-ink);background:#fff;transition:all var(--t);font-family:inherit;
}
.form-mk textarea{height:auto;min-height:96px;padding:12px 14px;line-height:1.7;resize:vertical}
.form-mk input::placeholder,.form-mk textarea::placeholder{color:var(--mk-muted)}
.form-mk input:focus,.form-mk textarea:focus{
  outline:none;border-color:var(--mk-primary);box-shadow:0 0 0 3px rgba(26,98,196,.16);
}
.form-hint{font-size:12px;color:var(--mk-muted);margin:12px 0 0;line-height:1.7}

/* ---------- 页脚 ---------- */
.site-footer{background:#0F172A;color:#cbd5e1;padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:38px;padding-bottom:46px}
.footer-brand .logo-text{color:#fff;margin-bottom:16px}
.footer-brand .logo-text small{color:#64748b}
.footer-brand p{font-size:14px;color:#94A3B8;line-height:1.8;margin:0;max-width:340px}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px}
.footer-col ul li{margin-bottom:11px}
.footer-col ul a{font-size:14px;color:#a7b4c6}
.footer-col ul a:hover{color:#7FB2F0}
.footer-contact li{font-size:14px;color:#a7b4c6;line-height:1.7}
.footer-contact strong{color:#e2e8f0;font-weight:600}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0;display:flex;flex-wrap:wrap;
  align-items:center;justify-content:space-between;gap:14px;font-size:13px;color:#7c8ba1;
}
.to-top{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);color:#cbd5e1;
  font-size:13px;border-radius:999px;padding:8px 16px;cursor:pointer;transition:all var(--t);
}
.to-top:hover{background:var(--mk-primary);border-color:var(--mk-primary);color:#fff}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .step-grid{grid-template-columns:repeat(2,1fr)}
  .step-grid .step-card::after{display:none}
  .quote-row{grid-template-columns:1fr}
}
@media (max-width:991.98px){
  .nav-links{
    position:fixed;top:0;right:0;bottom:0;width:min(88vw,360px);background:#fff;
    flex-direction:column;align-items:flex-start;justify-content:flex-start;gap:4px;
    padding:96px 26px 34px;transform:translateX(105%);transition:transform .3s ease;
    box-shadow:-14px 0 44px rgba(15,23,42,.16);z-index:1040;overflow-y:auto;
  }
  .nav-links.open{transform:translateX(0)}
  .nav-links a{font-size:17px;padding:12px 0;width:100%;border-bottom:1px solid var(--mk-line)}
  .nav-links a::after{display:none}
  .nav-links a.active{color:var(--mk-primary)}
  .nav-toggle{display:flex;position:relative;z-index:1050}
  .nav-search{display:none}
  .page-hero{padding:132px 0 72px}
  .page-hero-veil{background:linear-gradient(160deg,rgba(255,255,255,.97) 0%,rgba(255,255,255,.9) 55%,rgba(245,248,252,.95) 100%)}
  .section{padding:68px 0}
  .section-tight{padding:56px 0}
  .cta-band{grid-template-columns:1fr;padding:36px 26px;gap:30px}
  .metric-band{grid-template-columns:repeat(2,1fr);gap:22px}
  .metric-band li + li{border-left:0}
  .metric-band li:nth-child(odd){border-right:1px solid var(--mk-line)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .filter-panel.sticky-lg{position:static}
}
@media (max-width:767.98px){
  .container{padding-left:18px;padding-right:18px}
  .nav-inner{padding:0 18px;height:68px}
  .site-header.scrolled .nav-inner{height:62px}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:16px}
  .hero-actions .btn-mk{width:100%}
  .faq-body-inner{padding-left:22px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:575.98px){
  .step-grid{grid-template-columns:1fr}
  .metric-band{grid-template-columns:1fr;padding:26px 20px}
  .metric-band li:nth-child(odd){border-right:0}
  .metric-band li + li{border-top:1px solid var(--mk-line);padding-top:20px}
  .quote-card{padding:20px}
  .cta-band{padding:28px 20px}
  .svc-body{padding:18px}
  .to-top{width:100%;text-align:center}
}

/* roulang page: category3 */
:root{
  --mk-primary:#1A62C4;
  --mk-primary-dark:#124A99;
  --mk-primary-soft:#E8F0FC;
  --mk-orange:#EA6A2B;
  --mk-teal:#12A594;
  --mk-ink:#0F172A;
  --mk-text:#475569;
  --mk-muted:#94A3B8;
  --mk-line:#E2E8F0;
  --mk-bg:#F5F8FC;
  --mk-tint:#EFF6FF;
  --mk-white:#FFFFFF;
  --mk-card-radius:14px;
  --mk-btn-radius:10px;
  --mk-img-radius:12px;
  --mk-shadow:0 6px 20px rgba(15,23,42,.06);
  --mk-shadow-hover:0 14px 34px rgba(15,23,42,.10);
  --mk-trans:.25s ease;
  --mk-container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--mk-text);
  background:var(--mk-white);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--mk-primary);text-decoration:none;transition:color var(--mk-trans);}
a:hover{color:var(--mk-primary-dark);}
h1,h2,h3,h4{color:var(--mk-ink);margin:0;font-weight:700;line-height:1.35;}
h1{font-size:clamp(28px,4vw,44px);line-height:1.25;font-weight:700;}
h2{font-size:clamp(24px,3vw,31px);font-weight:700;}
h3{font-size:clamp(18px,2vw,21px);font-weight:600;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(26,98,196,.25);border-radius:6px;}
.container{width:100%;max-width:var(--mk-container);margin:0 auto;padding-left:24px;padding-right:24px;}
.num{font-variant-numeric:tabular-nums;}

/* ============ 导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  height:76px;
  background:rgba(255,255,255,.62);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid rgba(255,255,255,.75);
  box-shadow:0 4px 20px rgba(15,23,42,.05);
  transition:height .28s ease,background .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.site-header.is-scrolled{
  height:64px;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--mk-primary);
  box-shadow:0 8px 26px rgba(15,23,42,.10);
}
.nav-inner{
  max-width:var(--mk-container);margin:0 auto;height:100%;
  padding:0 24px;display:flex;align-items:center;gap:28px;
}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;color:var(--mk-ink);}
.logo:hover{color:var(--mk-ink);}
.logo-mark{
  width:34px;height:34px;flex-shrink:0;position:relative;border-radius:11px;
  background:linear-gradient(135deg,var(--mk-primary) 0%,#2b7de0 100%);
  box-shadow:0 6px 14px rgba(26,98,196,.28);
}
.logo-mark::before{
  content:"";position:absolute;inset:9px;border-radius:50%;
  border:2.5px solid rgba(255,255,255,.92);border-right-color:transparent;
  transform:rotate(-38deg);
}
.logo-mark::after{
  content:"";position:absolute;right:7px;bottom:8px;width:9px;height:2.5px;
  background:var(--mk-orange);border-radius:2px;transform:rotate(34deg);
}
.logo-text{display:flex;flex-direction:column;font-size:18px;font-weight:700;letter-spacing:.2px;line-height:1.1;color:var(--mk-ink);}
.logo-text small{font-size:9.5px;font-weight:600;letter-spacing:1.4px;color:var(--mk-muted);margin-top:3px;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-links a{
  position:relative;font-size:15px;color:var(--mk-text);font-weight:500;
  padding:10px 14px;border-radius:8px;
}
.nav-links a::after{
  content:"";position:absolute;left:50%;right:50%;bottom:4px;height:2px;
  background:var(--mk-primary);border-radius:2px;transition:left var(--mk-trans),right var(--mk-trans);
}
.nav-links a:hover{color:var(--mk-primary);}
.nav-links a:hover::after{left:14px;right:14px;}
.nav-links a.active{color:var(--mk-primary);font-weight:700;}
.nav-links a.active::after{left:14px;right:14px;}
.nav-right{display:flex;align-items:center;gap:14px;flex-shrink:0;}
.nav-search{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--mk-line);
  background:rgba(255,255,255,.85);color:var(--mk-text);
  display:inline-flex;align-items:center;justify-content:center;
  transition:all var(--mk-trans);cursor:pointer;
}
.nav-search:hover{color:var(--mk-primary);border-color:rgba(26,98,196,.4);background:var(--mk-primary-soft);}
.nav-toggle{
  display:none;width:42px;height:38px;border:1px solid var(--mk-line);border-radius:10px;
  background:rgba(255,255,255,.9);cursor:pointer;padding:0;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle span{width:18px;height:2px;background:var(--mk-ink);border-radius:2px;transition:all var(--mk-trans);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ============ 按钮 ============ */
.btn-mk{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--mk-btn-radius);font-size:15px;font-weight:600;
  padding:13px 26px;border:1px solid transparent;cursor:pointer;
  transition:all var(--mk-trans);line-height:1.2;white-space:nowrap;
}
.btn-mk-primary{background:var(--mk-primary);color:#fff;box-shadow:0 6px 16px rgba(26,98,196,.24);}
.btn-mk-primary:hover{background:var(--mk-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(26,98,196,.30);}
.btn-mk-primary:active{transform:translateY(0);}
.btn-mk-outline{background:#fff;color:var(--mk-primary);border-color:rgba(26,98,196,.45);}
.btn-mk-outline:hover{background:var(--mk-primary-soft);color:var(--mk-primary-dark);border-color:var(--mk-primary);}
.btn-mk-ghost{background:rgba(255,255,255,.16);color:#fff;border-color:rgba(255,255,255,.55);}
.btn-mk-ghost:hover{background:rgba(255,255,255,.28);color:#fff;}
.btn-mk-sm{padding:10px 18px;font-size:14.5px;}
.btn-mk:disabled,.btn-mk[disabled]{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none;}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding:158px 0 84px;
  background-image:linear-gradient(100deg,rgba(255,255,255,.97) 0%,rgba(255,255,255,.90) 42%,rgba(255,255,255,.55) 72%,rgba(255,255,255,.25) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center right;
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:120px;
  background:linear-gradient(to bottom,rgba(255,255,255,0),rgba(255,255,255,.95));
  pointer-events:none;
}
.hero .container{position:relative;z-index:2;}
.breadcrumb-mk{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--mk-muted);margin-bottom:22px;}
.breadcrumb-mk a{color:var(--mk-text);}
.breadcrumb-mk a:hover{color:var(--mk-primary);}
.breadcrumb-mk .sep{color:var(--mk-muted);}
.breadcrumb-mk .current{color:var(--mk-primary);font-weight:600;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:rgba(18,165,148,.12);color:#0d8074;font-size:13px;font-weight:600;margin-bottom:20px;
}
.hero-eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--mk-teal);}
.hero h1{max-width:820px;}
.hero-lead{max-width:680px;font-size:17px;color:var(--mk-text);margin-top:20px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  margin-top:52px;padding:26px 28px;border-radius:var(--mk-card-radius);
  background:rgba(255,255,255,.86);border:1px solid var(--mk-line);
  box-shadow:var(--mk-shadow);backdrop-filter:blur(6px);
}
.hero-stats .stat b{display:block;font-size:30px;color:var(--mk-orange);font-weight:700;line-height:1.15;font-variant-numeric:tabular-nums;}
.hero-stats .stat span{display:block;font-size:13.5px;color:var(--mk-text);margin-top:6px;}

/* ============ 板块 ============ */
.section{padding:92px 0;}
.section-alt{background:var(--mk-bg);}
.section-tint{background:var(--mk-tint);}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-label{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:1.6px;
  color:var(--mk-teal);text-transform:uppercase;margin-bottom:14px;
}
.section-head h2{margin-bottom:16px;}
.section-head p{font-size:16.5px;color:var(--mk-text);}
.section-head.center p{margin-left:auto;margin-right:auto;}

/* ============ 表格 ============ */
.table-wrap{
  overflow-x:auto;border:1px solid var(--mk-line);border-radius:var(--mk-card-radius);
  background:#fff;box-shadow:var(--mk-shadow);
}
table.mk-table{width:100%;min-width:840px;border-collapse:collapse;font-size:15px;}
table.mk-table thead th{
  background:var(--mk-primary-soft);color:var(--mk-primary-dark);
  font-weight:700;font-size:14.5px;text-align:left;padding:16px 20px;white-space:nowrap;
  border-bottom:1px solid rgba(26,98,196,.18);
}
table.mk-table tbody td{padding:17px 20px;border-bottom:1px solid var(--mk-line);color:var(--mk-text);vertical-align:top;}
table.mk-table tbody tr:nth-child(even){background:#FAFCFF;}
table.mk-table tbody tr:hover{background:var(--mk-primary-soft);}
table.mk-table tbody tr:last-child td{border-bottom:none;}
table.mk-table td.strong{color:var(--mk-ink);font-weight:600;}
.tag-chip{
  display:inline-block;padding:3px 11px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:rgba(18,165,148,.12);color:#0d8074;margin:0 6px 6px 0;
}
.tag-chip.blue{background:var(--mk-primary-soft);color:var(--mk-primary-dark);}
.tag-chip.orange{background:rgba(234,106,43,.12);color:#c1531c;}

/* ============ 选型要点 ============ */
.points-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.point-card{
  background:#fff;border:1px solid var(--mk-line);border-radius:var(--mk-card-radius);
  padding:28px;box-shadow:var(--mk-shadow);transition:all var(--mk-trans);display:flex;gap:18px;
}
.point-card:hover{transform:translateY(-3px);box-shadow:var(--mk-shadow-hover);border-color:rgba(26,98,196,.3);}
.point-num{
  flex-shrink:0;width:42px;height:42px;border-radius:12px;background:var(--mk-primary-soft);
  color:var(--mk-primary);font-weight:700;font-size:17px;display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.point-card h3{margin-bottom:10px;font-size:19px;}
.point-card p{font-size:15px;color:var(--mk-text);}
.point-card ul{margin-top:12px;}
.point-card li{position:relative;padding-left:18px;font-size:14.5px;color:var(--mk-text);margin-bottom:6px;}
.point-card li::before{content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;border-radius:2px;background:var(--mk-teal);}

/* ============ 图文双栏 ============ */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;}
.split-media{border-radius:var(--mk-card-radius);overflow:hidden;box-shadow:var(--mk-shadow);border:1px solid var(--mk-line);}
.split-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s ease;}
.split-media:hover img{transform:scale(1.03);}
.split-body h2{margin-bottom:18px;}
.split-list{margin-top:24px;display:grid;gap:14px;}
.split-list li{
  display:flex;gap:12px;background:#fff;border:1px solid var(--mk-line);
  border-radius:12px;padding:14px 18px;font-size:15px;box-shadow:0 2px 10px rgba(15,23,42,.04);
}
.split-list li strong{color:var(--mk-ink);font-weight:600;flex-shrink:0;}

/* ============ 流程 ============ */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.flow-card{
  position:relative;background:#fff;border:1px solid var(--mk-line);border-radius:var(--mk-card-radius);
  padding:28px 24px;box-shadow:var(--mk-shadow);transition:all var(--mk-trans);
}
.flow-card:hover{transform:translateY(-3px);box-shadow:var(--mk-shadow-hover);border-color:rgba(26,98,196,.3);}
.flow-card .flow-no{
  display:block;font-size:34px;font-weight:700;color:var(--mk-teal);line-height:1;
  font-variant-numeric:tabular-nums;margin-bottom:16px;opacity:.85;
}
.flow-card h3{font-size:18px;margin-bottom:10px;}
.flow-card p{font-size:14.5px;color:var(--mk-text);}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:940px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--mk-line);border-radius:var(--mk-card-radius);
  overflow:hidden;transition:border-color var(--mk-trans),box-shadow var(--mk-trans),background var(--mk-trans);
}
.faq-item:hover{border-color:rgba(26,98,196,.28);}
.faq-item.is-open{background:#FBFDFF;border-color:rgba(26,98,196,.35);box-shadow:var(--mk-shadow);}
.faq-q{
  width:100%;background:transparent;border:none;text-align:left;cursor:pointer;
  display:flex;align-items:center;gap:16px;padding:20px 24px;position:relative;color:var(--mk-ink);
}
.faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;
  background:var(--mk-primary);opacity:0;transition:opacity var(--mk-trans);
}
.faq-item.is-open .faq-q::before{opacity:1;}
.faq-num{font-size:14px;font-weight:700;color:var(--mk-primary);flex-shrink:0;font-variant-numeric:tabular-nums;}
.faq-title{flex:1;font-size:16.5px;font-weight:600;line-height:1.5;}
.faq-arrow{
  flex-shrink:0;width:12px;height:12px;border-right:2px solid var(--mk-muted);
  border-bottom:2px solid var(--mk-muted);transform:rotate(45deg);margin-top:-4px;
  transition:transform var(--mk-trans),border-color var(--mk-trans);
}
.faq-item.is-open .faq-arrow{transform:rotate(-135deg);margin-top:2px;border-color:var(--mk-primary);}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s ease;}
.faq-item.is-open .faq-a{grid-template-rows:1fr;}
.faq-a-inner{overflow:hidden;}
.faq-a-inner p{padding:0 24px 22px 62px;font-size:15px;color:var(--mk-text);}

/* ============ 相关分类 ============ */
.rel-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.rel-card{
  display:flex;gap:22px;align-items:center;background:var(--mk-tint);
  border:1px solid rgba(26,98,196,.16);border-radius:var(--mk-card-radius);
  padding:24px;transition:all var(--mk-trans);
}
.rel-card:hover{background:#fff;border-color:rgba(26,98,196,.4);box-shadow:var(--mk-shadow-hover);transform:translateY(-3px);}
.rel-card img{width:112px;height:88px;object-fit:cover;border-radius:var(--mk-img-radius);flex-shrink:0;}
.rel-card h3{font-size:18px;margin-bottom:8px;}
.rel-card p{font-size:14.5px;margin-bottom:10px;}
.rel-card .rel-link{font-size:14px;font-weight:600;color:var(--mk-primary);}

/* ============ CTA ============ */
.cta-section{padding:88px 0;}
.cta-box{
  background:var(--mk-primary-soft);border:1px solid rgba(26,98,196,.18);
  border-radius:20px;padding:52px;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;
}
.cta-box h2{margin-bottom:16px;font-size:clamp(22px,2.6vw,29px);}
.cta-box p{font-size:16px;color:var(--mk-text);}
.cta-links{display:flex;flex-wrap:wrap;gap:20px;margin-top:24px;font-size:15px;font-weight:600;}
.cta-form{background:#fff;border-radius:var(--mk-card-radius);padding:28px;box-shadow:var(--mk-shadow);border:1px solid var(--mk-line);}
.form-row{margin-bottom:16px;}
.form-row label{display:block;font-size:13.5px;font-weight:600;color:var(--mk-ink);margin-bottom:7px;}
.form-row input,.form-row textarea{
  width:100%;height:48px;border:1px solid var(--mk-line);border-radius:10px;
  padding:0 14px;font-size:15px;color:var(--mk-ink);background:#fff;
  transition:border-color var(--mk-trans),box-shadow var(--mk-trans);
}
.form-row textarea{height:88px;padding:12px 14px;resize:vertical;}
.form-row input::placeholder,.form-row textarea::placeholder{color:var(--mk-muted);}
.form-row input:focus,.form-row textarea:focus{
  outline:none;border-color:var(--mk-primary);box-shadow:0 0 0 3px rgba(26,98,196,.18);
}
.form-hint{font-size:13px;color:var(--mk-muted);margin-top:12px;}
.cta-form .btn-mk{width:100%;}

/* ============ 页脚 ============ */
.site-footer{background:#F1F5F9;border-top:1px solid var(--mk-line);padding:64px 0 26px;color:var(--mk-text);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .logo-text{margin-bottom:16px;}
.footer-brand p{font-size:14.5px;max-width:340px;color:var(--mk-text);}
.footer-col h4{font-size:15.5px;margin-bottom:18px;color:var(--mk-ink);}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{font-size:14.5px;color:var(--mk-text);}
.footer-col a:hover{color:var(--mk-primary);}
.footer-contact li{font-size:14.5px;color:var(--mk-text);}
.footer-contact strong{color:var(--mk-ink);font-weight:600;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--mk-line);
  display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;align-items:center;
  font-size:13.5px;color:var(--mk-muted);
}
.to-top{
  background:#fff;border:1px solid var(--mk-line);border-radius:999px;
  padding:8px 18px;font-size:13.5px;color:var(--mk-text);cursor:pointer;transition:all var(--mk-trans);
}
.to-top:hover{color:var(--mk-primary);border-color:rgba(26,98,196,.4);background:var(--mk-primary-soft);}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .flow-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991px){
  .nav-links{
    position:fixed;top:0;right:-100%;width:min(320px,84vw);height:100vh;
    background:#fff;flex-direction:column;align-items:flex-start;gap:6px;
    padding:96px 28px 32px;margin:0;box-shadow:-12px 0 40px rgba(15,23,42,.14);
    transition:right .3s ease;z-index:1200;overflow-y:auto;
  }
  .nav-links.is-open{right:0;}
  .nav-links a{font-size:17px;width:100%;padding:14px 8px;border-bottom:1px solid var(--mk-line);border-radius:0;}
  .nav-links a::after{display:none;}
  .nav-links a.active{color:var(--mk-primary);}
  .nav-toggle{display:flex;}
  .nav-search{display:none;}
  .split{grid-template-columns:1fr;gap:34px;}
  .cta-box{grid-template-columns:1fr;gap:32px;padding:38px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .rel-grid{grid-template-columns:1fr;}
  .section{padding:72px 0;}
  .hero{padding:132px 0 68px;}
}
@media (max-width:767px){
  .container{padding-left:16px;padding-right:16px;}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:18px;padding:22px;}
  .points-grid{grid-template-columns:1fr;}
  .flow-grid{grid-template-columns:1fr;}
  .section{padding:60px 0;}
  .hero-actions .btn-mk{width:100%;}
  .hero{padding:120px 0 56px;}
  .cta-box{padding:28px;}
  .footer-grid{grid-template-columns:1fr;}
  .faq-a-inner p{padding-left:24px;}
}
@media (max-width:575px){
  .nav-inner{padding:0 16px;gap:14px;}
  .hero h1{font-size:26px;}
  .hero-stats .stat b{font-size:24px;}
  .rel-card{flex-direction:column;align-items:flex-start;}
  .rel-card img{width:100%;height:150px;}
}