/* roulang page: index */
:root{
  --bc-primary:#318cbd;
  --bc-primary-dark:#1d739f;
  --bc-primary-deep:#14506f;
  --bc-primary-soft:#eaf3fa;
  --bc-primary-mist:#f4f9fc;
  --bc-accent:#d99a4e;
  --bc-bg-white:#ffffff;
  --bc-bg-gray:#f5f8fb;
  --bc-bg-blue:#edf4f9;
  --bc-text:#233c4d;
  --bc-text-soft:#5d7484;
  --bc-text-faint:#92a6b5;
  --bc-border:#e1ecf3;
  --bc-header:rgba(255,255,255,.94);
  --bc-radius-lg:16px;
  --bc-radius-md:12px;
  --bc-radius-sm:8px;
  --bc-radius-round:48px;
  --bc-shadow-lg:0 18px 44px rgba(35,75,100,.12);
  --bc-shadow-card:0 12px 30px rgba(35,75,100,.08);
  --bc-shadow-soft:0 4px 14px rgba(35,75,100,.06);
  --bc-transition:all .3s cubic-bezier(.23,1,.32,1);
  --bc-font-body:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --bc-section-space:100px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  font-family:var(--bc-font-body);
  background:var(--bc-bg-white);
  color:var(--bc-text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:var(--bc-transition);}
button{font-family:inherit;border:none;background:none;cursor:pointer;}
input,textarea,select{font-family:inherit;}
h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.32;color:var(--bc-text);}
h1{font-size:44px;letter-spacing:-.02em;}
h2{font-size:32px;letter-spacing:-.01em;}
h3{font-size:22px;}
.container{width:100%;max-width:1220px;margin-inline:auto;padding-inline:24px;}

/* ------- header & navigation ------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:var(--bc-header);
  backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(225,236,243,.56);
  transition:box-shadow .35s ease;
}
.site-header.scrolled{box-shadow:0 8px 28px rgba(35,75,100,.08);}
.navbar-wrap{
  display:flex;align-items:center;justify-content:space-between;
  height:76px;gap:24px;
}
.brand-logo{
  display:flex;align-items:center;gap:10px;
  font-size:25px;font-weight:800;letter-spacing:.01em;color:var(--bc-primary-deep);
  flex-shrink:0;
}
.brand-badge{
  width:39px;height:39px;border-radius:11px;
  background:linear-gradient(145deg,#4da7d4,#237ea8);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:16px;
  box-shadow:0 6px 16px rgba(49,140,189,.32);
}
.main-nav-desktop{display:flex;align-items:center;gap:4px;list-style:none;}
.main-nav-desktop > li{position:relative;}
.nav-link-custom{
  display:block;padding:11px 18px;border-radius:var(--bc-radius-sm);
  font-size:15.5px;font-weight:500;color:var(--bc-text);
  transition:var(--bc-transition);line-height:1.4;position:relative;
}
.nav-link-custom:hover{color:var(--bc-primary);background:var(--bc-primary-mist);}
.nav-link-custom.active{color:var(--bc-primary-dark);font-weight:600;}
.nav-link-custom.active::after{
  content:"";position:absolute;left:18px;right:18px;bottom:4px;height:2px;
  background:var(--bc-primary);border-radius:2px;
}
.nav-has-mega .nav-link-custom{padding-right:28px;}
.nav-has-mega .nav-link-custom i{
  font-size:12px;margin-left:6px;transition:transform .3s;
}
.nav-has-mega:hover .nav-link-custom i{transform:rotate(180deg);}
.mega-panel{
  position:absolute;top:calc(100% + 12px);left:50%;
  transform:translateX(-50%) translateY(8px);
  width:620px;background:#fff;border-radius:var(--bc-radius-lg);
  box-shadow:0 20px 52px rgba(20,61,86,.16);
  border:1px solid #eef5fa;
  opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .3s ease,transform .3s ease,visibility .3s;
  padding:20px;
}
.nav-has-mega:hover .mega-panel,
.nav-has-mega:focus-within .mega-panel{
  opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(0);
}
.mega-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:16px;}
.mega-menu-list{list-style:none;display:flex;flex-direction:column;gap:2px;}
.mega-menu-list a{
  display:flex;align-items:center;gap:10px;padding:10px 12px;
  border-radius:8px;font-size:14.5px;color:var(--bc-text);
}
.mega-menu-list a:hover{background:var(--bc-bg-gray);color:var(--bc-primary);}
.mega-menu-list a i{
  width:28px;height:28px;border-radius:8px;background:var(--bc-primary-soft);
  color:var(--bc-primary-dark);display:flex;align-items:center;justify-content:center;font-size:13px;
}
.mega-card-entry{
  background:linear-gradient(150deg,#eef6fb,#fff 78%);
  border:1px solid #e4eef4;border-radius:12px;padding:14px;
  display:flex;flex-direction:column;gap:7px;
}
.mega-card-entry img{
  width:100%;height:72px;object-fit:cover;border-radius:8px;
}
.mega-card-entry span{
  font-size:14px;font-weight:600;color:var(--bc-text-dark);
  line-height:1.4;text-align:left;
}
.mega-card-entry small{font-size:12.5px;color:var(--bc-text-soft);}
.nav-cta-desktop{
  display:inline-flex;align-items:center;justify-content:center;
  padding:10px 22px;border-radius:var(--bc-radius-round);
  background:var(--bc-primary);color:#fff;font-size:15px;font-weight:500;
  box-shadow:0 8px 20px rgba(49,140,189,.22);
  transition:var(--bc-transition);
  margin-left:10px;white-space:nowrap;
}
.nav-cta-desktop:hover{background:var(--bc-primary-dark);color:#fff;transform:translateY(-2px);}
.navbar-toggle{
  width:44px;height:44px;border-radius:10px;display:none;place-items:center;
  color:var(--bc-text);font-size:20px;border:1px solid var(--bc-border);
  background:#fff;transition:var(--bc-transition);
}
.navbar-toggle:hover{background:var(--bc-primary-mist);color:var(--bc-primary);}
.mobile-nav{
  display:none;background:#fff;border-top:1px solid var(--bc-border);
  max-height:calc(100vh - 80px);overflow-y:auto;
  padding:8px 12px 20px;
}
.mobile-nav.open{display:block;}
.mobile-nav-list{list-style:none;}
.mobile-nav-list .level-1{border-bottom:1px solid #f0f6fa;}
.mobile-nav-list > li > .m-link{
  display:block;font-size:16px;font-weight:500;padding:15px 8px;color:var(--bc-text);
}
.mobile-nav-list > li > .m-link.active{color:var(--bc-primary);}
.mobile-sub-list{
  list-style:none;padding:0 8px 8px 28px;display:flex;flex-direction:column;gap:2px;
}
.mobile-sub-list a{
  display:block;padding:9px 8px;font-size:14px;color:var(--bc-text-soft);
  border-radius:8px;
}
.mobile-sub-list a:hover{background:var(--bc-bg-gray);color:var(--bc-primary);}
.m-nav-cta{
  display:inline-flex;margin:16px 8px 4px;padding:11px 24px;border-radius:var(--bc-radius-round);
  background:var(--bc-primary);color:#fff;font-weight:500;justify-content:center;
}

/* ------- section title & common helpers ------- */
.section{
  padding-block:var(--bc-section-space);
}
.section.bg-gray{background:var(--bc-bg-gray);}
.section.bg-mist{background:var(--bc-primary-mist);}
.section.bg-white{background:#fff;}
.section-head{
  max-width:720px;margin-bottom:52px;
}
.section-head.center{margin-inline:auto;text-align:center;}
.section-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;letter-spacing:.08em;color:var(--bc-primary);
  background:var(--bc-primary-soft);
  padding:6px 16px;border-radius:var(--bc-radius-round);
  margin-bottom:20px;text-transform:uppercase;
}
.section-head p{
  margin-top:16px;color:var(--bc-text-soft);font-size:16.5px;
}
.sep-line{width:56px;height:3px;border-radius:3px;background:var(--bc-accent);margin-block:22px;}
.section-head.center .sep-line{margin-inline:auto;}

/* ------- buttons ------- */
.btn-ky{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:50px;padding:12px 30px;border-radius:var(--bc-radius-round);
  font-size:15.5px;font-weight:600;letter-spacing:.02em;
  transition:var(--bc-transition);
  text-align:center;cursor:pointer;
}
.btn-ky-primary{
  background:var(--bc-primary);color:#fff;
  box-shadow:0 10px 24px rgba(49,140,189,.26);
}
.btn-ky-primary:hover{
  background:var(--bc-primary-dark);color:#fff;
  transform:translateY(-3px);
  box-shadow:0 14px 32px rgba(49,140,189,.32);
}
.btn-ky-light{
  background:#fff;color:var(--bc-primary-dark);
  border:1px solid #d4e6f2;
  box-shadow:0 4px 12px rgba(35,75,100,.05);
}
.btn-ky-light:hover{background:var(--bc-primary-soft);color:var(--bc-primary-dark);transform:translateY(-2px);}
.btn-ky-white{
  background:#fff;color:var(--bc-primary-deep);
  box-shadow:0 10px 24px rgba(0,0,0,.06);
}
.btn-ky-white:hover{background:#f1f7fb;color:var(--bc-primary-deep);transform:translateY(-3px);}
.btn-ky-outline-white{
  border:1.5px solid rgba(255,255,255,.72);color:#fff;background:transparent;
}
.btn-ky-outline-white:hover{background:rgba(255,255,255,.12);color:#fff;}

/* ------- homepage hero ------- */
.hero{
  position:relative;
  background:var(--bc-bg-mist);
  overflow:hidden;
  padding:110px 0 90px;
}
.hero-bg{
  position:absolute;inset:0;z-index:0;background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center 30%;opacity:.2;
}
.hero-bg:after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(118deg,rgba(244,249,252,.93) 12%,rgba(244,249,252,.72) 42%,rgba(234,243,250,.86) 100%);
}
.hero .container{position:relative;z-index:2;}
.hero-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;
}
.hero-label{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:550;color:var(--bc-primary-dark);
  background:rgba(255,255,255,.8);border:1px solid #d8ebf5;
  padding:8px 18px;border-radius:40px;
  margin-bottom:24px;box-shadow:0 2px 10px rgba(35,75,100,.05);
}
.hero-label i{font-size:13px;color:var(--bc-accent);}
.hero-title{
  font-size:50px;line-height:1.18;color:var(--bc-text-deep);letter-spacing:-.02em;
  margin-bottom:22px;
}
.hero-title .kt-underline{
  background:linear-gradient(140deg,var(--bc-primary),#419bd0);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{
  font-size:17.5px;line-height:1.85;color:var(--bc-text-soft);max-width:470px;
  margin-bottom:36px;
}
.hero-cta{
  display:flex;gap:14px;flex-wrap:wrap;
}
.hero-visual{
  position:relative;
}
.hero-framepic{
  position:relative;border-radius:22px;overflow:hidden;
  box-shadow:0 22px 64px rgba(26,71,98,.2);
}
.hero-framepic img{
  width:100%;height:450px;object-fit:cover;
  border-radius:22px;
}
.hero-framepic:after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(156deg,rgba(20,67,94,.15) 8%,rgba(255,255,255,.06) 38%,rgba(19,71,100,.27) 100%);
  border-radius:22px;
}
.hero-float-card{
  position:absolute;right:94px;bottom:24px;
  width:196px;padding:14px 18px;
  background:rgba(255,255,255,.92);backdrop-filter:blur(8px);
  border:1px solid rgba(255,255,255,.9);
  border-radius:14px;
  box-shadow:0 16px 40px rgba(23,56,78,.18);
  font-size:13px;
}
.float-card-value{
  font-family:"Georgia",serif;font-size:25px;font-weight:700;color:var(--bc-primary-deep);
}
.float-card-small{
  position:absolute;left:-28px;top:34px;
  padding:10px 18px;background:#fff;
  border-radius:14px;box-shadow:0 10px 28px rgba(23,70,95,.14);
  display:inline-flex;align-items:center;gap:10px;
  font-size:14px;font-weight:600;color:var(--bc-text);
  animation:floatY 3.5s infinite ease-in-out;
}
@keyframes floatY{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-12px)}
}
.hero-visual .blob-a{
  position:absolute;width:100px;height:100px;right:-40px;top:40px;
  border-radius:50%;background:rgba(89,171,214,.18);filter:blur(16px);z-index:-1;
}
.hero-visual .blob-b{
  position:absolute;width:140px;height:140px;left:-50px;bottom:-30px;
  border-radius:50%;background:rgba(217,154,78,.18);filter:blur(22px);z-index:-1;
}

/* stats strip */
.stats-strip{
  background:#fff;
  border-block:1px solid #eaf2f7;
  padding:26px 0;
}
.stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:12px;
}
.stat-node{
  text-align:center;padding:10px 14px;
}
.stat-num{
  font-size:38px;font-weight:700;color:var(--bc-primary-dark);
  font-family:"Roboto","PingFang SC",sans-serif;
}
.stat-sub{font-size:14px;color:var(--bc-text-soft);margin-top:4px;}
.stat-divider{width:1px;background:#e8eef1;align-self:center;height:60px;}

/* feature asymmetric grid */
.feature-card{
  border-radius:var(--bc-radius-lg);
  box-shadow:var(--bc-shadow-card);
  transition:var(--bc-transition);
  border:1px solid rgba(225,236,243,.7);
}
.feature-card:hover{
  transform:translateY(-8px);
  box-shadow:0 24px 56px rgba(22,76,108,.14);
}
.fea-main{
  display:grid;grid-template-columns:1fr 1fr;
  overflow:hidden;padding:0;grid-column:span 2;
}
.fea-main-img{
  width:100%;height:100%;min-height:300px;object-fit:cover;
}
.fea-main-body{
  padding:42px;
  display:flex;flex-direction:column;justify-content:center;align-items:flex-start;
}
.fea-sub-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:28px;
}
.fea-sub-card{
  background:#fff;border-radius:var(--bc-radius-lg);
  padding:30px 26px;border:1px solid rgba(224,237,246,.8);
  box-shadow:var(--bc-shadow-soft);
  transition:var(--bc-transition);
}
.fea-sub-card:hover{
  box-shadow:var(--bc-shadow-card);
  transform:translateY(-6px);
}
.fea-icon{
  width:52px;height:52px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  font-size:22px;margin-bottom:18px;
}
.fea-icon.blue{background:var(--bc-primary-soft);color:var(--bc-primary-dark);}
.fea-icon.green{background:#e9f5ec;color:#2e9e6b;}
.fea-icon.amber{background:#faefde;color:#c87d1e;}
.fea-icon.indigo{background:#ececf5;color:#6b5bd0;}
.fea-card-title{
  font-size:19px;margin-bottom:9px;color:var(--bc-text);
}
.fea-card-text{
  font-size:14.5px;color:var(--bc-text-soft);line-height:1.75;margin-bottom:16px;
}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--bc-primary);
}
.link-more i{transition:transform .3s;}
.link-more:hover i{transform:translateX(4px);}
.link-more:hover{color:var(--bc-primary-dark);}

/* category entry cards */
.cat-entry-card{
  position:relative;border-radius:var(--bc-radius-lg);overflow:hidden;
  min-height:300px;box-shadow:var(--bc-shadow-card);transition:var(--bc-transition);
}
.cat-entry-card .cat-entry-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  transition:transform .7s ease;
}
.cat-entry-card:hover .cat-entry-bg{transform:scale(1.06);}
.cat-entry-card .cat-grad{
  position:absolute;inset:0;
  background:linear-gradient(158deg,rgba(16,45,65,.42),rgba(16,45,65,.06) 24%,rgba(13,38,60,.55) 56%,rgba(11,46,68,.92) 100%);
}
.cat-entry-body{
  position:relative;height:300px;display:flex;flex-direction:column;
  justify-content:flex-end;padding:28px 24px;color:#fff;z-index:2;
  pointer-events:none;
}
.cat-entry-body h3{color:#fff;font-size:21px;margin-bottom:6px;font-weight:600;}
.cat-entry-body p{color:rgba(255,255,255,.88);font-size:13.5px;line-height:1.65;}
.cat-entry-link-sty{
  display:none;pointer-events:auto;
}
.cat-entry-card:hover .cat-entry-body span{
  opacity:1;transform:translateY(0);
}
.cat-count-badge{
  position:absolute;top:18px;left:18px;
  background:rgba(255,255,255,.88);color:var(--bc-primary-deep);
  padding:6px 13px;border-radius:20px;font-size:13px;font-weight:600;
  z-index:3;
}
/* review carousel */
.testimonial-carousel-wrap{
  max-width:830px;margin:0 auto;text-align:center;
}
.review-card-inner{
  background:#fff;border-radius:24px;
  padding:44px 46px;position:relative;
  box-shadow:var(--bc-shadow-card);border:1px solid #e6f0f6;
}
.review-quote-mark{
  font-size:80px;line-height:0;color:var(--bc-primary);opacity:.2;
  font-family:Georgia,serif;position:absolute;top:40px;left:38px;
}
.review-star{
  color:var(--bc-accent);letter-spacing:4px;font-size:16px;margin-bottom:18px;
}
.review-text{
  font-size:17px;line-height:2;color:var(--bc-text);margin-bottom:22px;
  font-family:var(--bc-font-body);position:relative;z-index:1;
}
.review-avatar{
  width:52px;height:52px;border-radius:50%;
  object-fit:cover;margin:0 auto 10px;
  box-shadow:0 4px 12px rgba(23,64,93,.22);
}
.reviewer-name{font-weight:600;font-size:15px;color:var(--bc-text);}
.reviewer-desc{font-size:13px;color:var(--bc-text-soft);}
.carousel-indicators-ky{
  display:flex;justify-content:center;gap:8px;margin-top:30px;
}
.carousel-indicator-ky{
  width:14px;height:5px;border-radius:10px;background:#c5d7e4;
  transition:var(--bc-transition);opacity:1;border:none;cursor:pointer;
}
.carousel-indicator-ky.active{
  width:32px;background:var(--bc-primary);
}
.carousel-control-prev-ky,
.carousel-control-next-ky{
  position:absolute;top:50%;transform:translateY(-50%);
  width:46px;height:46px;border-radius:50%;
  background:#fff;border:1px solid #deebf2;color:var(--bc-primary);
  box-shadow:0 6px 18px rgba(40,80,110,.12);
  display:flex;align-items:center;justify-content:center;z-index:5;font-size:18px;
  transition:var(--bc-transition);
}
.carousel-control-prev-ky{left:-70px;}
.carousel-control-next-ky{right:-70px;}
.carousel-control-prev-ky:hover,
.carousel-control-next-ky:hover{
  background:var(--bc-primary);color:#fff;
}

/* promise strip */
.promise-section{background:var(--bc-bg-blue);}
.promise-item{
  display:flex;gap:16px;align-items:flex-start;
  padding:20px 10px;
}
.promise-icon{
  flex-shrink:0;width:52px;height:52px;border-radius:14px;
  background:#fff;color:var(--bc-primary);font-size:22px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 14px rgba(35,75,100,.08);
  border:1px solid #d9e9f3;
}
.promise-item h3{font-size:17.5px;margin-bottom:5px;}
.promise-item p{font-size:14px;color:var(--bc-text-soft);line-height:1.7;}

/* ------- info list section ------- */
.grid-cards-latest{}
.content-mode-card{
  background:#fff;border-radius:var(--bc-radius-lg);overflow:hidden;
  box-shadow:var(--bc-shadow-soft);border:1px solid #e6edf3;
  transition:var(--bc-transition);
  height:100%;
}
.content-mode-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--bc-shadow-card);
  border-color:#d3e6f2;
}
.mode-thumb{
  display:block;overflow:hidden;border-radius:var(--bc-radius-lg) var(--bc-radius-lg) 0 0;
}
.mode-thumb img{
  width:100%;height:196px;object-fit:cover;transition:transform .75s ease;
}
.content-mode-card:hover .mode-thumb img{transform:scale(1.07);}
.mode-body{padding:22px 24px 24px;}
.tag-badge{
  display:inline-block;padding:4px 12px;border-radius:6px;
  background:var(--bc-primary-soft);color:var(--bc-primary-dark);
  font-size:12.5px;font-weight:600;margin-bottom:12px;
}
.mode-title{
  font-size:18px;line-height:1.5;margin-bottom:8px;
  color:var(--bc-text-dark);
}
.mode-title a:hover{color:var(--bc-primary);}
.mode-excerpt{
  color:var(--bc-text-soft);font-size:14px;line-height:1.8;
  margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.mode-meta{
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--bc-text-faint);
  border-top:1px dashed #eaf1f5;padding-top:16px;
}
.mode-meta i{margin-right:5px;font-size:12px;color:#9fb7c7;}
.mode-category{
  color:var(--bc-primary);font-weight:500;
}

/* category cards home */
.home-cat-card{
  display:block;border-radius:var(--bc-radius-lg);overflow:hidden;
  box-shadow:var(--bc-shadow-card);background:#fff;
  border:1px solid #e8f0f5;
  transition:var(--bc-transition);
}
.home-cat-card:hover{
  transform:translateY(-8px);
  box-shadow:0 24px 52px rgba(25,73,105,.16);
}
.home-cat-thumb{position:relative;}
.home-cat-thumb img{width:100%;height:230px;object-fit:cover;}
.home-cat-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(0,0,0,0) 24%,rgba(26,62,91,.35));
}
.home-cat-body{padding:22px 24px 28px;}
.home-cat-body h3{font-size:19px;margin-bottom:6px;}
.cat-arrow{
  position:absolute;left:24px;bottom:24px;z-index:2;
  color:#fff;width:36px;height:36px;
  background:rgba(255,255,255,.24);backdrop-filter:blur(4px);
  border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:16px;transition:transform .3s;
}
.home-cat-card:hover .cat-arrow{transform:translateX(4px);background:var(--bc-primary);}

/* ------- faq ------- */
.faq-accordion-warpper{max-width:900px;margin:0 auto;}
.faq-item-ky{
  border-radius:var(--bc-radius-md);
  border:1px solid var(--bc-border);
  margin-bottom:14px;
  background:#fff;
  padding:0 20px;
  box-shadow:var(--bc-shadow-soft);
  transition:var(--bc-transition);
}
.faq-item-ky:hover{border-color:#cfe2ed;}
.faq-question-ky{
  display:flex;align-items:center;justify-content:space-between;
  padding:21px 0;font-size:16.5px;font-weight:600;color:var(--bc-text);
  cursor:pointer;line-height:1.6;background:none;border:none;
  text-align:left;
}
.faq-question-ky i{
  flex-shrink:0;width:30px;height:30px;border-radius:50%;
  border:1px solid var(--bc-border);background:#f7fbfe;
  color:var(--bc-primary);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;transition:var(--bc-transition);
  margin-left:18px;
}
.faq-item-ky.active .faq-question-ky i{
  transform:rotate(45deg);background:var(--bc-primary);color:#fff;border-color:var(--bc-primary);
}
.faq-answer-ky{
  display:none;
  padding:0 38px 6px 0;
  color:var(--bc-text-soft);font-size:15px;line-height:1.9;
  border-top:1px dashed #e8f1f6;
}
.faq-item-ky.active .faq-answer-ky{display:block;padding-top:18px;}

/* progress feature style */
.process-flow{
  display:grid;grid-template-columns:repeat(4,1fr);gap:38px 26px;
  margin-top:50px;
}
.process-step{
  position:relative;
}
.process-step:not(:last-child)::after{
  content:"\f061";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:-24px;top:28px;
  color:#bfd7e7;font-size:16px;
}
.process-icon{
  width:64px;height:64px;border-radius:18px;
  background:#eef6fb;color:var(--bc-primary);
  display:flex;align-items:center;justify-content:center;
  font-size:26px;margin-bottom:18px;
}
.process-step h4{font-size:17px;margin-bottom:6px;}
.process-step p{font-size:14px;color:var(--bc-text-soft);line-height:1.7;margin-bottom:0;}
.process-num{
  position:absolute;top:-10px;right:4px;
  font-size:30px;font-weight:800;color:#eaf1f6;
}

/* CTA section */
.cta-block{
  background:linear-gradient(95deg,#0f435e,#1d6e91 58%,#1572a3);
  position:relative;overflow:hidden;
}
.cta-block:before{
  content:"";position:absolute;
  width:360px;height:360px;border-radius:50%;
  background:rgba(255,255,255,.06);top:-150px;right:-80px;
}
.cta-block:after{
  content:"";position:absolute;
  width:260px;height:260px;border-radius:50%;
  background:rgba(255,255,255,.05);bottom:-120px;left:8%;
}
.cta-content{position:relative;z-index:2;text-align:center;padding:90px 0;}
.cta-title{
  color:#fff;font-size:30px;font-weight:700;margin-bottom:16px;
}
.cta-desc{
  color:rgba(255,255,255,.84);font-size:16px;max-width:620px;
  margin:0 auto 34px;
}

/* footer */
.site-footer{
  background:#143240;
  color:#c7d4db;
}
.footer-top{
  padding:70px 0 46px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 0.8fr 1fr 1fr;gap:42px;
}
.footer-brand-name{
  font-size:25px;font-weight:800;color:#fff;margin-bottom:14px;
  display:flex;align-items:center;gap:10px;
}
.footer-brand-name .brand-badge{width:32px;height:32px;font-size:14px;}
.footer-desc{
  color:#8eaeba;font-size:14.5px;line-height:1.95;max-width:290px;margin-bottom:22px;
}
.footer-h4{
  color:#fff;font-size:16px;font-weight:600;margin-bottom:18px;
}
.footer-links{list-style:none;padding:0;margin:0;}
.footer-links li{margin-bottom:11px;}
.footer-links a{
  color:#9cb8c6;font-size:14.5px;line-height:1.6;
  display:inline-flex;align-items:center;gap:7px;
}
.footer-links a i{font-size:11px;color:#527f94;}
.footer-links a:hover{color:#fff; padding-left:4px;}
.footer-contact-list{
  list-style:none;padding:0;margin:0;
  display:grid;gap:14px;
}
.footer-contact-list li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:14.5px;color:#a7c0cd;
  line-height:1.7;
}
.footer-contact-list li i{
  color:var(--bc-accent);margin-top:5px;font-size:14px;
  width:20px;
}
.footer-bottom{
  padding:20px 0;
  background:#0e2733;color:#597b8b;font-size:13.5px;
}
.footer-bottom-inner{
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
}
.footer-bottom-inner a{color:#7fa0ae;}
.footer-bottom-inner a:hover{color:#fff;}
.footer-post-list{list-style:none;padding:0;margin:0;}
.footer-post-list li{margin-bottom:12px;border-bottom:1px dashed rgba(255,255,255,.12);padding-bottom:10px;}
.footer-post-list a{
  color:#a7c0cd;font-size:14px;display:block;line-height:1.6;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;
}
.footer-post-list a:hover{color:#fff;}

/* ------- bootstrap overrides ------- */
.breadcrumb-ky{
  display:flex;flex-wrap:wrap;list-style:none;padding:0;margin:0;
  font-size:14px;color:var(--bc-text-soft);
}
.breadcrumb-ky li+li::before{
  content:"/";color:#b4c7d4;margin:0 10px;
}
.breadcrumb-ky a:hover{color:var(--bc-primary);}

/* ------- reponsive ------- */
@media(max-width:1199.98px){
  .hero-title{font-size:41px;}
  .hero-framepic img{height:390px;}
}
@media(max-width:991.98px){
  :root{--bc-section-space:76px;}
  .navbar-toggle{display:inline-flex;}
  .main-nav-desktop{display:none;}
  .nav-cta-desktop{display:none;}
  .mobile-nav{display:none;}
  .mobile-nav.open{display:block;}
  .container{max-width:100%;}
  .hero{padding:80px 0 70px;}
  .hero-grid{grid-template-columns:1fr;gap:50px;align-items:start;}
  .hero-title{font-size:45px;}
  .hero-framepic img{height:390px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .stat-divider{display:none;}
  .fea-main{grid-column:span 1;grid-template-columns:1fr;}
  .fea-main-body{position:relative;}
  .fea-main-img{height:280px;}
  .category-card-wrap .col-lg-4{width:100%;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:35px;}
  .process-flow{grid-template-columns:repeat(2,1fr);gap:34px 20px;}
  .process-step:nth-child(2)::after{display:none;}
}
@media(max-width:767.98px){
  :root{--bc-section-space:60px;}
  h1{font-size:32px;}
  h2{font-size:27px;}
  .hero{padding:60px 0 60px;}
  .hero-title{font-size:32px;}
  .hero-framepic img{height:280px;}
  .hero-float-card{right:10px;bottom:14px;width:170px;}
  .hero-float-card .float-card-value{font-size:20px;}
  .fea-main-body{padding:28px;}
  .fea-sub-grid{grid-template-columns:1fr;}
  .promise-item{padding:12px 4px;}
  .review-card-inner{padding:34px 20px;}
  .carousel-control-prev-ky{left:-8px;}
  .carousel-control-next-ky{right:-8px;}
  .carousel-indicator-ky{width:11px;}
  .cta-block .cta-content{padding:50px 0;}
  .footer-top{padding:50px 0 30px;}
}
@media(max-width:575.98px){
  :root{--bc-section-space:52px;}
  .container{padding-inline:18px;}
  .navbar-wrap{height:70px;}
  .brand-logo{font-size:21px;}
  .brand-badge{width:33px;height:33px;}
  .hero-label{font-size:13px;padding:6px 12px;}
  .hero-cta{flex-direction:column;}
  .btn-ky{width:100%;}
  .stats-grid{gap:8px;}
  .stat-num{font-size:25px;}
  .stat-sub{font-size:12px;}
  .footer-bottom-inner{flex-direction:column;text-align:center;}
  .mode-body .mode-title{font-size:17px;}
  .footer-grid{grid-template-columns:1fr;}
  .process-flow{grid-template-columns:1fr;}
  .process-step::after{display:none;}
  .topbar{display:none;}
  .section-head{margin-bottom:32px;}
}

/* roulang page: category1 */
:root {
    --brand: #4e93b8;
    --brand-deep: #1f5d7d;
    --brand-night: #0d4058;
    --brand-soft: #dceef6;
    --brand-pale: #f1f8fb;
    --accent: #e3a35f;
    --ink: #1f303b;
    --ink-2: #566a76;
    --ink-3: #78909c;
    --line: #dce4e8;
    --white: #ffffff;
    --bg-alt: #eef3f5;
    --radius: 16px;
    --radius-sm: 10px;
    --radius-pill: 999px;
    --shadow-sm: 0 6px 18px rgba(36, 75, 92, 0.08);
    --shadow-md: 0 16px 34px rgba(36, 75, 92, 0.10);
    --shadow-lg: 0 30px 60px rgba(30, 86, 112, 0.14);
    --transition: 0.24s ease;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: "PingFang SC", "Microsoft YaHei", "Heiti SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 16px;
    line-height: 1.75;
    color: var(--ink);
    background: #fcfdfe;
    margin: 0;
    -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.25; margin: 0 0 0.5rem; }
h2 { font-size: clamp(26px, 3vw, 40px); letter-spacing: -0.02em; }
h3 { font-size: 20px; }
p { margin: 0 0 1rem; color: var(--ink-2); }
a { color: var(--brand); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--brand-deep); text-decoration: none; }
img { max-width: 100%; display: block; object-fit: cover; }
ul, ol { padding-left: 1.15rem; color: var(--ink-2); }
li { margin-bottom: 0.4rem; }
.container { max-width: 1200px; }

.visually-hidden { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* 顶部导航 */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1080;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    height: 76px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid rgba(220, 228, 232, 0.65);
    transition: box-shadow 0.3s ease, background 0.3s ease;
}
.site-header.scrolled {
    box-shadow: 0 10px 30px rgba(34, 76, 96, 0.08);
}
.site-header .container,
.site-header .navbar-wrap {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
}
.navbar-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 22px;
    padding: 0 18px;
}

.brand-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 22px;
    font-weight: 800;
    color: var(--ink);
    letter-spacing: 0.01em;
    white-space: nowrap;
}
.brand-logo:hover { color: var(--ink); }
.brand-badge {
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(150deg, #6dbdd8, #3d8cb0);
    color: #fff;
    border-radius: 12px;
    font-size: 18px;
    box-shadow: 0 8px 18px rgba(67, 148, 187, 0.28);
}
footer .brand-badge {
    width: 44px;
    height: 44px;
    font-size: 20px;
    background: rgba(255,255,255,0.14);
    box-shadow: none;
}

.site-header nav {
    display: flex;
    align-items: center;
    flex: 1;
    justify-content: center;
}
.main-nav-desktop {
    display: flex;
    list-style: none;
    padding: 0;
    margin: 0;
    align-items: center;
    gap: 4px;
}
.main-nav-desktop li { position: relative; margin: 0; }

.nav-link-custom {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 14px;
    border-radius: 999px;
    color: var(--ink-2);
    font-size: 15px;
    font-weight: 600;
    transition: background 0.24s, color 0.24s;
}
.nav-link-custom i { font-size: 12px; }
.nav-link-custom:hover,
.nav-link-custom.active {
    color: var(--brand-deep);
    background: var(--brand-soft);
}
.nav-has-mega { position: static; }

.site-header .mega-panel {
    position: absolute;
    top: 64px;
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    width: min(900px, 92%);
    background: #fff;
    border-radius: 18px;
    box-shadow: 0 28px 70px rgba(26, 72, 93, 0.16), 0 0 0 1px rgba(79, 139, 170, 0.08);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.22s ease, transform 0.22s ease, visibility 0.22s;
}
.nav-has-mega:hover .mega-panel,
.mega-has-open .mega-panel {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}
.mega-inner {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 26px;
    padding: 26px;
}
.mega-menu-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.mega-menu-list li { margin-bottom: 2px; }
.mega-menu-list a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border-radius: 12px;
    color: var(--ink);
    font-size: 15px;
    font-weight: 600;
    transition: background 0.2s;
}
.mega-menu-list a i {
    color: var(--brand);
    width: 22px;
    font-size: 16px;
    text-align: center;
}
.mega-menu-list a:hover { background: var(--brand-soft); }
.mega-card-entry {
    border-radius: 16px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    background: var(--brand-pale);
    padding-bottom: 12px;
    border: 1px solid #e1edf3;
    transition: box-shadow 0.25s;
}
.mega-card-entry:hover { box-shadow: var(--shadow-md); }
.mega-card-entry img { height: 180px; width: 100%; }
.mega-card-entry span {
    padding: 14px 18px 0;
    font-weight: 700;
    color: var(--ink);
    line-height: 1.5;
    font-size: 16px;
}
.mega-card-entry small {
    padding: 4px 18px 0;
    color: var(--brand);
    font-weight: 600;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 12px;
}
.nav-cta-desktop {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 18px;
    border-radius: 999px;
    background: var(--brand);
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    white-space: nowrap;
    transition: background 0.2s, transform 0.2s;
}
.nav-cta-desktop:hover { background: var(--brand-deep); color: #fff; transform: translateY(-1px); }
.navbar-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 0;
    background: var(--brand-soft);
    color: var(--brand-deep);
    border-radius: 12px;
    font-size: 18px;
    cursor: pointer;
    align-items: center;
    justify-content: center;
}

.mobile-nav {
    display: none;
    background: #fff;
    border-top: 1px solid #eef1f3;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
}
.mobile-nav.open { max-height: 80vh; overflow-y: auto; }
.mobile-nav-list {
    list-style: none;
    padding: 12px 18px 24px;
    margin: 0;
}
.mobile-nav-list li { margin: 0; }
.mobile-nav-list .m-link {
    display: block;
    padding: 13px 6px;
    color: var(--ink);
    font-weight: 600;
    border-bottom: 1px solid #f0f5f7;
    border-radius: 0;
}
.mobile-nav-list .m-link.active { color: var(--brand); }
.mobile-nav-list .sub-nav-inline {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 8px 2px 14px;
}
.mobile-nav-list .sub-nav-inline a {
    font-size: 13px;
    padding: 7px 12px;
    background: var(--brand-pale);
    color: var(--brand-deep);
    border-radius: 999px;
    font-weight: 600;
}

/* 页面顶部 Hero 分类头 */
.category-page-hero {
    background: var(--brand-pale);
    border-bottom: 1px solid #ddebef;
    position: relative;
    overflow: hidden;
}
.category-page-hero:before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: url('/assets/images/backpic/back-2.webp');
    background-size: cover;
    background-position: center 14%;
    opacity: 0.34;
}
.category-page-hero .container { position: relative; z-index: 2; }

.cat-hero-inner {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    gap: 54px;
    padding-top: 78px;
    padding-bottom: 84px;
}
.cat-hero-crumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 4px;
    font-size: 14px;
    color: var(--ink-3);
    margin-bottom: 18px;
}
.cat-hero-crumb a { color: var(--ink-3); }
.cat-hero-crumb a:hover { color: var(--brand); }
.cat-hero-crumb i { font-size: 10px; color: #a9c2ce; margin: 0 5px; }
.cat-hero-crumb .current { color: var(--brand-deep); font-weight: 600; }
.category-title {
    font-size: clamp(30px, 4vw, 46px);
    font-weight: 800;
    line-height: 1.25;
    letter-spacing: -0.03em;
    color: var(--ink);
    margin-bottom: 18px;
}
.category-title-mark {
    color: var(--brand);
    position: relative;
}
.hero-cat-para {
    font-size: 17px;
    line-height: 1.9;
    color: #435c6b;
    max-width: 560px;
    margin-bottom: 28px;
}
.cat-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
}
.btn {
    border-radius: 999px;
    font-weight: 700;
    font-size: 15px;
    padding: 12px 24px;
    border: 1px solid transparent;
    transition: all 0.22s ease;
}
.btn-brand {
    background: var(--brand);
    color: #fff;
    border-color: var(--brand);
}
.btn-brand:hover { background: var(--brand-deep); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.btn-outline-line {
    background: transparent;
    color: var(--brand-deep);
    border: 1px solid #9bbecc;
}
.btn-outline-line:hover { background: #fff; box-shadow: var(--shadow-sm); transform: translateY(-1px); }

.cat-hero-media {
    position: relative;
    display: flex;
    justify-content: center;
}
.cat-hero-frame {
    width: min(460px, 100%);
    background: #fff;
    border-radius: 22px;
    box-shadow: 0 26px 46px rgba(30, 89, 115, 0.19);
    border: 8px solid #fff;
}
.cat-hero-frame img {
    border-radius: 16px;
    aspect-ratio: 4/3;
    width: 100%;
}
.float-card {
    position: absolute;
    background: rgba(255,255,255,0.96);
    backdrop-filter: blur(8px);
    border-radius: 14px;
    font-size: 13px;
    font-weight: 700;
    line-height: 1.5;
    color: var(--ink);
    padding: 9px 16px 9px 9px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 14px 30px rgba(26, 84, 112, 0.13);
    border: 1px solid #edf6fa;
}
.float-card-icon {
    width: 32px;
    height: 32px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    background: var(--brand);
}
.float-card.fc-1 {
    left: 2%;
    bottom: 9%;
}
.float-card.fc-2 {
    right: 0;
    top: 6%;
}
.float-card .small { display: block; color: var(--ink-3); font-weight: 600; font-size: 12px; }

/* 简洁说明 / 能力数字 */
.eyebrow-chip {
    display: inline-block;
    font-size: 14px;
    font-weight: 700;
    color: var(--brand-deep);
    background: var(--brand-soft);
    padding: 6px 15px;
    border-radius: 999px;
    margin-bottom: 16px;
    letter-spacing: 0.02em;
}
.section-standard { padding-top: 96px; padding-bottom: 96px; }
.section-alt-bg { background: #eef4f6; }
.section-title-wrap {
    max-width: 760px;
    margin-bottom: 44px;
}
.section-title-wrap.center {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}
.section-title-wrap .lead-text {
    font-size: 17px;
    color: var(--ink-2);
    margin-top: 12px;
}

/* 能力数字 strip */
.capability-strip {
    border-top: 1px solid #e2edf2;
    border-bottom: 1px solid #e2edf2;
    background: var(--brand-pale);
    padding: 34px 0;
}
.capability-strip .container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.capability-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 8px 6px;
}
.capability-item .cap-ico {
    width: 52px;
    height: 52px;
    border-radius: 16px;
    background: #fff;
    color: var(--brand-deep);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 21px;
    box-shadow: var(--shadow-sm);
    flex: 0 0 52px;
}
.capability-item h3 {
    font-size: 16px;
    margin: 0 0 2px;
    color: var(--ink);
}
.capability-item p {
    margin: 0;
    font-size: 14px;
    color: var(--ink-2);
    line-height: 1.4;
}

/* 版心与模块标题索引 */
.module-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 38px;
}
.module-head .subhead-link {
    font-weight: 700;
    font-size: 15px;
    color: var(--brand);
}

/* 展示卡片组合 */
.cat-showcase-grid {
    display: grid;
    grid-template-columns: 1.05fr 1.05fr;
    gap: 26px;
}
.showcase-main {
    border-radius: 20px;
    background: #fff;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid #e2ebee;
    transition: transform 0.25s ease, box-shadow 0.25s;
    display: flex;
    flex-direction: column;
}
.showcase-main:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.showcase-main .cover-img {
    height: 270px;
    width: 100%;
    object-fit: cover;
}
.showcase-body { padding: 28px 30px 32px; flex: 1; display: flex; flex-direction: column; }
.tag-line {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
}
.mini-tag {
    display: inline-block;
    font-size: 12px;
    line-height: 1;
    padding: 6px 11px;
    background: var(--brand-soft);
    color: var(--brand-deep);
    border-radius: 999px;
    font-weight: 600;
}
.mini-tag.accent-bg {
    background: #f7eee2;
    color: #b27433;
}
.showcase-main h3 { font-size: 25px; margin-bottom: 10px; color: var(--ink); }
.showcase-main p {
    font-size: 15px;
    line-height: 1.9;
    color: var(--ink-2);
    margin-bottom: 18px;
    flex: 1;
}
.feature-point-list {
    list-style: none;
    padding: 0;
    margin: 0 0 22px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 9px 18px;
}
.feature-point-list li {
    position: relative;
    padding-left: 27px;
    font-size: 14px;
    font-weight: 600;
    color: var(--ink);
}
.feature-point-list li i {
    position: absolute;
    left: 0;
    top: 4px;
    color: var(--brand);
    font-size: 14px;
}

.showcase-side {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.showcase-card {
    border-radius: 18px;
    background: #fff;
    border: 1px solid #e2ebee;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    padding: 20px;
    display: grid;
    grid-template-columns: 90px 1fr auto;
    gap: 14px;
    align-items: center;
    transition: all 0.25s ease;
}
.showcase-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.showcase-card img {
    width: 90px;
    height: 80px;
    border-radius: 12px;
    object-fit: cover;
}
.showcase-card .content-title {
    display: block;
    font-weight: 700;
    color: var(--ink);
    line-height: 1.5;
    font-size: 16px;
    margin-bottom: 4px;
    transition: color 0.15s;
}
.showcase-card .content-title:hover { color: var(--brand-deep); }
.showcase-card p {
    font-size: 13px;
    margin: 0;
    line-height: 1.65;
    color: var(--ink-2);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.showcase-meta {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 5px;
}

/* 比较选择区 : 场景卡片  */
.scenario-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}
.scenario-item {
    border-radius: 16px;
    background: #fff;
    border: 1px solid #e6eef1;
    padding: 24px 22px 20px;
    transition: all 0.25s ease;
}
.scenario-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: #cfdcd6; }
.scenario-item .ico {
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    border-radius: 12px;
    background: #dbeef5;
    color: var(--brand-deep);
    margin-bottom: 14px;
}
.scenario-item h3 { font-size: 16px; }
.scenario-item p { font-size: 14px; margin: 4px 0 0; color: var(--ink-2); }

/* 图文列表大区 方案条目 */
.vertical-art-list .media-card {
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    border: 1px solid #e3ebee;
    background: #fff;
    overflow: hidden;
    display: flex;
    transition: all 0.22s;
}
.vertical-art-list .media-card + .media-card { margin-top: 18px; }
.vertical-art-list .media-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.media-visual {
    width: 270px;
    flex: 0 0 270px;
    min-height: 160px;
    position: relative;
}
.media-visual img { width: 100%; height: 100%; object-fit: cover; }
.media-card-content {
    padding: 24px 28px 22px;
    flex: 1;
}
.media-card-content h3 { font-size: 19px; }
.media-card-content h3 a { color: var(--ink); }
.media-card-content h3 a:hover { color: var(--brand-deep); }
.media-card-content .desc-content {
    font-size: 15px;
    color: var(--ink-2);
    margin: 8px 0 12px;
    line-height: 1.8;
}
.time-stamp {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    font-size: 13px;
    margin-top: 10px;
    color: var(--ink-3);
}
.time-stamp i { font-size: 12px; }

/* 流程步骤 */
.steps-wrap {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 26px;
    counter-reset: stepCount;
}
.step-item {
    position: relative;
    background: var(--brand-pale);
    border-radius: 18px;
    padding: 30px 20px 22px;
    border: 1px solid #dcebf0;
}
.step-item .step-number {
    counter-increment: stepCount;
    color: var(--brand);
    font-size: 34px;
    font-weight: 800;
    line-height: 1;
    display: block;
    margin-bottom: 12px;
    font-style: normal;
}
.step-item h3 { font-size: 17px; }
.step-item p { font-size: 14px; line-height: 1.8; margin-bottom: 0; }
.step-arrow {
    position: absolute;
    right: -24px;
    top: 34px;
    color: #a6c3cf;
    font-size: 16px;
    z-index: 2;
}

/* 数据/价值板块 */
.promise-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.promise-card {
    background: var(--white);
    border-radius: 18px;
    padding: 30px 28px;
    border: 1px solid #e1e9e7;
    transition: all 0.25s ease;
    box-shadow: var(--shadow-sm);
}
.promise-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-5px); }
.promise-card .p-ico {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    border-radius: 16px;
    color: #fff;
    background: linear-gradient(145deg, #61a9c7, #357f9e);
    margin-bottom: 18px;
}
.promise-card h3 { font-size: 18px; margin-bottom: 8px; }
.promise-card p { font-size: 15px; line-height: 1.75; margin-bottom: 0; }

/* FAQ */
.faq-list .faq-item {
    background: #fff;
    border: 1px solid #e2ebef;
    border-radius: 16px;
    padding: 24px 28px;
    margin-bottom: 14px;
    transition: box-shadow 0.2s;
}
.faq-item:hover { box-shadow: var(--shadow-sm); }
.faq-question {
    font-size: 17px;
    font-weight: 700;
    color: var(--ink);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    gap: 18px;
    left: 0;
    right: 0;
    margin: 0;
    border: 0;
    background: transparent;
    width: 100%;
    text-align: left;
    padding: 0;
    font-family: inherit;
}
.faq-icon {
    width: 30px;
    height: 30px;
    border-radius: 999px;
    background: var(--brand-soft);
    color: var(--brand-deep);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex: 0 0 30px;
    transition: transform 0.3s, background 0.3s;
}
.faq-item.active .faq-icon { transform: rotate(45deg); background: var(--brand); color: #fff; }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.faq-answer-inner { padding-top: 16px; color: var(--ink-2); font-size: 15px; line-height: 1.9; }

/* 最终 CTA */
.final-cta {
    background-color: var(--brand-night);
    background-image: url('/assets/images/backpic/back-1.webp');
    background-size: cover;
    background-position: center 20%;
    position: relative;
    padding: 100px 0;
}
.final-cta::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(13, 52, 71, 0.94), rgba(25, 91, 115, 0.8));
}
.final-cta .container { position: relative; z-index: 2; }
.final-cta-box {
    max-width: 640px;
    margin: 0 auto;
    text-align: center;
    color: #fff;
}
.final-cta-box h2 { color: #fff; font-size: 36px; }
.final-cta-box p { color: #d7e9f0; font-size: 17px; margin-bottom: 26px; }
.cta-btn-light {
    background: #fff;
    color: var(--brand-deep);
    font-weight: 700;
    padding: 14px 32px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    border: 1px solid transparent;
    transition: all 0.2s;
}
.cta-btn-light:hover { background: #f0fbfd; color: var(--brand-deep); transform: translateY(-2px); }

/* 页脚 */
.site-footer {
    background: #0d3747;
    color: #adc3cf;
    font-size: 14px;
}
.footer-top {
    padding: 70px 0 42px;
    border-bottom: 1px solid rgba(167, 196, 205, 0.13);
    background: #0d3747;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.7fr 1fr 1fr 1.2fr;
    gap: 42px;
}
.footer-brand-name {
    font-size: 24px;
    color: #fff;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}
.footer-desc { color: #9fbbc7; line-height: 1.9; font-size: 14px; max-width: 320px; }
.footer-contact-list { list-style: none; margin: 17px 0 0; padding: 0; display: flex; flex-direction: column; gap: 10px; color: #9fbbc7; }
.footer-contact-list i { color: #8abbcd; margin-right: 8px; width: 20px; }
.footer-h4 {
    color: #ffffff;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 18px;
}
.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.footer-links a {
    color: #9fbbc7;
    font-size: 14px;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
}
.footer-links a i { color: #638b99; font-size: 10px; margin-right: 6px; }
.footer-links a:hover { color: #fff; padding-left: 3px; }
.footer-post-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; }
.footer-post-list a { color: #9fbbc7; display: inline-flex; align-items: center; gap: 8px; line-height: 1.6; }
.footer-post-list a:hover { color: #fff; }
.footer-muted { color: #9fbbc7; }

.footer-bottom {
    background: #0a2f3e;
    padding: 22px 0;
    color: #7b9fae;
    font-size: 13px;
}
.footer-bottom-inner {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 6px;
}
.footer-bottom-inner a { color: #8bb4c4; }

/* 移动端响应 */
@media (max-width: 1199.98px) {
    .scenario-grid { grid-template-columns: repeat(2, 1fr); }
    .capability-strip .container { grid-template-columns: repeat(3,1fr); }
    .showcase-card { grid-template-columns: 70px 1fr; }
    .showcase-card img { width: 70px; height: 68px; }
}
@media (max-width: 991.98px) {
    .site-header { height: auto; }
    .navbar-wrap { flex-wrap: nowrap; padding: 10px 16px; }
    .main-nav-desktop { display: none; }
    .navbar-toggle { display: inline-flex; }
    .mobile-nav.open { display: block; }
    .nav-right .nav-cta-desktop { display: none; }
    .cat-hero-inner { grid-template-columns: 1fr; gap: 30px; padding-top: 54px; padding-bottom: 60px; }
    .cat-hero-frame { width: min(430px, 100%); }
    .cat-showcase-grid { grid-template-columns: 1fr; }
    .media-visual { width: 100%; flex: 0 0 200px; }
    .vertical-art-list .media-card { flex-direction: column; }
    .media-card-content { padding: 18px; }
    .steps-wrap { grid-template-columns: repeat(2, 1fr); }
    .step-arrow { display: none; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 34px; }
    .section-standard { padding-top: 62px; padding-bottom: 62px; }
    .promise-cards { grid-template-columns: 1fr; }
}
@media (max-width: 767.98px) {
    .capability-strip .container { grid-template-columns: 1fr; gap: 8px; }
    .scenario-grid { grid-template-columns: 1fr 1fr; }
    .feature-point-list { grid-template-columns: 1fr; }
    .media-visual { min-height: 220px; }
    .category-title { font-size: 30px; }
    .cat-hero-actions { flex-direction: column; align-items: stretch; }
    .cat-hero-actions .btn { justify-content: center; }
    .cat-hero-inner { padding-top: 44px; padding-bottom: 46px; }
    .final-cta { padding: 66px 0; }
    .final-cta-box h2 { font-size: 28px; }
    .steps-wrap { grid-template-columns: 1fr; }
}
@media (max-width: 575.98px) {
    body { font-size: 15px; }
    .site-header { padding: 0; }
    .navbar-wrap { gap: 8px; }
    .brand-logo { font-size: 19px; }
    .brand-badge { width: 36px; height: 36px; font-size: 16px; }
    .scenario-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 24px; }
    .section-standard { padding-top: 52px; padding-bottom: 52px; }
    .module-head { flex-direction: column; align-items: flex-start; }
    .capability-item { padding: 10px 2px; }
    .float-card { padding: 8px 10px 8px 8px; font-size: 12px; }
    .float-card-icon { width: 28px; height: 28px; }
}

/* roulang page: article */
:root{
  --kai-blue:#3587bd;
  --kai-blue-deep:#206a9b;
  --kai-navy:#153a4f;
  --kai-navy-deep:#0e2a3a;
  --kai-teal:#1d5564;
  --kai-accent:#d99a5d;
  --kai-bg:#f5f9fc;
  --kai-bg-soft:#edf4f9;
  --kai-bg-deep:#e2eef5;
  --kai-white:#ffffff;
  --kai-ink:#16323f;
  --kai-text:#405460;
  --kai-muted:#6f8491;
  --kai-border:#d8e6ed;
  --kai-radius-xl:18px;
  --kai-radius-lg:14px;
  --kai-radius-md:10px;
  --kai-shadow-sm:0 4px 14px rgba(24,58,78,.06);
  --kai-shadow-md:0 14px 34px rgba(24,58,78,.09);
  --kai-shadow-lg:0 24px 56px rgba(17,45,62,.13);
  --kai-font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{margin:0;padding:0}
body{
  background:var(--kai-bg);
  font-family:var(--kai-font);
  color:var(--kai-text);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:color .24s ease,background .24s ease,border-color .24s ease,box-shadow .24s ease,transform .24s ease}
a:hover{color:var(--kai-blue-deep)}
img{max-width:100%;height:auto;display:block}
button,input,textarea,select{font-family:inherit;font-size:inherit}
.container{max-width:1270px;padding-left:20px;padding-right:20px}
.container-narrow{max-width:960px}
.skip-link,
.visually-hidden-focusable{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}
.skip-link:focus,.visually-hidden-focusable:focus{left:12px;top:12px;width:auto;height:auto;padding:10px 18px;background:#fff;border-radius:8px;z-index:9999;box-shadow:var(--kai-shadow-lg)}

/* ==== Buttons ==== */
.btn-kai{
  display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
  min-height:48px;padding:.7rem 1.65rem;border-radius:900px;
  background:var(--kai-blue);color:#fff;font-weight:600;border:1px solid transparent;
  box-shadow:0 8px 20px rgba(53,135,189,.22);letter-spacing:.02em;
}
.btn-kai:hover{background:var(--kai-blue-deep);color:#fff;transform:translateY(-3px);box-shadow:0 14px 28px rgba(32,106,155,.28)}
.btn-kai:active,.btn-kai:focus{outline:3px solid rgba(53,135,189,.3);outline-offset:2px;background:var(--kai-blue-deep);transform:translateY(0)}
.btn-outline-kai{
  display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
  min-height:48px;padding:.7rem 1.65rem;border-radius:900px;
  background:rgba(255,255,255,.65);color:var(--kai-blue-deep);font-weight:600;
  border:1px solid rgba(53,135,189,.45);backdrop-filter:blur(6px);
}
.btn-outline-kai:hover{background:var(--kai-blue);border-color:var(--kai-blue);color:#fff;transform:translateY(-3px)}
.btn-outline-kai:focus{outline:3px solid rgba(53,135,189,.3);outline-offset:2px}
.btn-white-soft{
  display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
  min-height:48px;padding:.7rem 1.8rem;border-radius:900px;
  background:#fff;color:var(--kai-navy);border:1px solid rgba(255,255,255,.4);
  font-weight:600;box-shadow:0 10px 26px rgba(0,0,0,.16);
}
.btn-white-soft:hover{color:var(--kai-navy);box-shadow:0 16px 36px rgba(0,0,0,.22);transform:translateY(-3px)}

/* ==== Header ==== */
.site-header{
  position:sticky;top:0;z-index:1055;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(216,230,237,.9);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.scrolled{box-shadow:0 8px 26px rgba(20,47,64,.07)}
.navbar-wrap{display:flex;align-items:center;gap:1.4rem;min-height:76px;padding:8px 0;position:relative}
.brand-logo{
  display:inline-flex;align-items:center;gap:.6rem;
  font-weight:800;font-size:1.35rem;letter-spacing:.03em;color:var(--kai-ink);
  white-space:nowrap;
}
.brand-logo:hover{color:var(--kai-ink)}
.brand-badge{
  width:38px;height:38px;border-radius:12px;
  background:linear-gradient(150deg,#47a7e0,#2b7db0);
  display:inline-flex;align-items:center;justify-content:center;
  color:#fff;font-size:1rem;box-shadow:0 6px 16px rgba(53,135,189,.26);
}
.site-header .navbar-wrap nav{margin-left:.6rem}
.main-nav-desktop{list-style:none;display:flex;align-items:center;gap:.1rem;margin:0;padding:0}
.nav-link-custom{
  display:inline-flex;align-items:center;gap:.45rem;
  padding:.7rem .95rem;color:#3d5360;border-radius:10px;
  font-size:.97rem;font-weight:500;position:relative;border:1px solid transparent;
}
.nav-link-custom:hover{color:var(--kai-blue-deep);background:rgba(53,135,189,.08)}
.nav-link-custom.active{color:var(--kai-blue-deep);font-weight:600}
.nav-link-custom.active::after{
  content:"";height:3px;border-radius:3px;width:24px;background:var(--kai-blue);
  position:absolute;left:50%;bottom:6px;transform:translateX(-50%);
}
.nav-has-mega{position:static}
.mega-panel{
  position:absolute;left:0;right:0;top:calc(100% + 10px);
  width:100%;max-height:0;overflow:hidden;visibility:hidden;opacity:0;
  background:#fff;border:1px solid var(--kai-border);border-radius:18px;
  box-shadow:var(--kai-shadow-lg);
  transform:translateY(10px);transition:opacity .22s ease,transform .22s ease,max-height .22s ease,visibility .22s ease;
  z-index:1090;
}
.nav-has-mega:hover .mega-panel,.nav-has-mega.open .mega-panel,.nav-has-mega:focus-within .mega-panel{
  max-height:520px;visibility:visible;opacity:1;transform:translateY(0);
}
.mega-inner{
  display:grid;grid-template-columns:1.1fr .9fr;gap:25px;padding:30px;
  align-items:stretch;
}
.mega-menu-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr;gap:6px}
.mega-menu-list a{
  display:flex;align-items:center;gap:.8rem;padding:12px 14px;
  border-radius:12px;color:var(--kai-ink);font-weight:600;font-size:.98rem;
}
.mega-menu-list a i{color:var(--kai-blue);width:24px;text-align:center;font-size:1.05rem}
.mega-menu-list a:hover{background:var(--kai-bg-soft);color:var(--kai-blue-deep);transform:translateX(4px)}
.mega-card-entry{
  background:var(--kai-bg-soft);border:1px solid var(--kai-border);
  border-radius:14px;overflow:hidden;padding:0;display:flex;flex-direction:column;
  min-height:205px;transition:box-shadow .28s ease,transform .28s ease;
}
.mega-card-entry:hover{box-shadow:var(--kai-shadow-md);transform:translateY(-4px)}
.mega-card-entry img{width:100%;height:115px;object-fit:cover}
.mega-card-entry span{font-weight:600;color:var(--kai-ink);padding:14px 17px 2px;line-height:1.55}
.mega-card-entry small{color:var(--kai-muted);padding:4px 17px 15px;font-size:.9rem}
.nav-right{display:flex;align-items:center;gap:.75rem;margin-left:auto}
.nav-cta-desktop{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:42px;padding:.55rem 1.25rem;border-radius:900px;
  background:rgba(53,135,189,.12);color:var(--kai-blue-deep);font-weight:600;
}
.nav-cta-desktop:hover{background:var(--kai-blue);color:#fff;box-shadow:0 8px 18px rgba(53,135,189,.25)}
.navbar-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--kai-border);
  background:#fff;color:var(--kai-ink);cursor:pointer;align-items:center;justify-content:center;font-size:1.2rem;
}
.navbar-toggle:hover{border-color:var(--kai-blue);color:var(--kai-blue-deep)}
.mobile-nav{
  max-height:0;overflow:hidden;visibility:hidden;background:#fff;
  border-top:0 solid var(--kai-border);
  transition:max-height .32s ease,visibility .32s ease,border-width .32s ease;
}
.mobile-nav.open{max-height:calc(100vh - 82px);overflow-y:auto;visibility:visible;border-top-width:1px}
.mobile-nav-list{list-style:none;margin:0;padding:16px 22px 24px}
.mobile-nav-list li.level-1{margin-bottom:8px}
.m-link{
  display:flex;align-items:center;padding:14px 12px;border-radius:12px;
  font-weight:600;color:var(--kai-ink);background:var(--kai-bg);
}
.m-link.active{background:rgba(53,135,189,.14);color:var(--kai-blue-deep)}
.m-link i{margin-left:auto;color:var(--kai-muted);font-size:.75rem}
.mobile-contact{margin-top:12px;display:flex;flex-direction:column;gap:10px}

/* ==== Article skeleton ==== */
.article-page-top{
  position:relative;
  background:
    linear-gradient(180deg,rgba(255,255,255,.92),rgba(230,241,247,.88)),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  border-bottom:1px solid var(--kai-border);
  padding:38px 0 30px;
  overflow:hidden;
}
.article-page-top::before{
  content:"";position:absolute;top:-150px;right:-90px;width:330px;height:330px;
  border-radius:50%;background:radial-gradient(circle,rgba(53,135,189,.16),rgba(53,135,189,0) 70%);
  pointer-events:none;
}
.breadcrumb-custom{display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none;padding:0;margin:0 0 30px;font-size:.92rem}
.breadcrumb-custom li{display:inline-flex;align-items:center;gap:8px;color:var(--kai-title,#5e7684)}
.breadcrumb-custom li a{color:var(--kai-muted);font-weight:500}
.breadcrumb-custom li a:hover{color:var(--kai-blue-deep)}
.breadcrumb-custom li.current{color:var(--kai-ink);font-weight:600;max-width:360px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:inline-block;vertical-align:middle}
.breadcrumb-custom .divider{width:6px;height:6px;border-radius:50%;background:var(--kai-accent);flex:none}

.article-content-top{
  display:flex;align-items:flex-end;justify-content:space-between;
  padding-top:4px;
}
.article-content-top .eyebrow{
  display:inline-flex;align-items:center;gap:8px;border-radius:900px;
  background:rgba(53,135,189,.12);color:var(--kai-blue-deep);
  padding:6px 15px;font-size:.86rem;font-weight:600;margin-bottom:12px;
}
.article-content-top h1{
  font-size:clamp(1.75rem,3.2vw,2.75rem);
  line-height:1.35;color:var(--kai-ink);font-weight:800;letter-spacing:-.01em;
  max-width:950px;margin:0;
}

/* ==== Article shell ==== */
.main-article-wrap{padding:44px 0 20px}
.article-grid-shell{max-width:980px;margin:0 auto}
.article-card{
  background:var(--kai-white);border:1px solid var(--kai-border);
  border-radius:var(--kai-radius-xl);box-shadow:var(--kai-shadow-sm);
  padding:clamp(24px,4vw,52px);
  margin-top:-1px;position:relative;
}
.article-card::after{
  content:"开云网页";position:absolute;right:34px;top:28px;
  font-size:.78rem;letter-spacing:.16em;color:#b4c8d3;text-transform:none;font-weight:600;
}
.article-meta-list{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 22px;list-style:none;
  margin:24px 0 30px;padding:0 0 26px;border-bottom:1px solid var(--kai-border);
  font-size:.92rem;color:var(--kai-muted);
}
.article-meta-list li{display:inline-flex;align-items:center;gap:.5rem}
.article-meta-list i{color:var(--kai-blue);opacity:.8;width:16px;text-align:center}
.article-meta-list .meta-cat a{color:var(--kai-blue-deep);font-weight:600;background:rgba(53,135,189,.1);padding:2px 10px;border-radius:900px}
.article-meta-list .meta-cat a:hover{background:var(--kai-blue);color:#fff}
.article-featured{
  position:relative;border-radius:var(--kai-radius-lg);overflow:hidden;
  box-shadow:var(--kai-shadow-md);margin-bottom:30px;
}
.article-featured img{width:100%;aspect-ratio:16/7;object-fit:cover}
.article-featured figcaption{
  position:absolute;left:14px;bottom:12px;font-size:.78rem;color:#fff;
  background:rgba(14,42,58,.5);backdrop-filter:blur(5px);border-radius:8px;padding:4px 12px;
}
.lead-note{
  display:flex;gap:14px;margin:0 0 34px;padding:20px 22px;
  background:var(--kai-bg-soft);border:1px solid rgba(53,135,189,.16);
  border-left:4px solid var(--kai-blue);border-radius:12px;
}
.lead-note .lead-mark{
  flex:none;width:34px;height:34px;border-radius:10px;
  background:var(--kai-blue);color:#fff;font-size:1rebp;font-size:1rem;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.lead-note p{margin:0;font-size:1rem;line-height:1.9;color:#49616f;font-weight:500}
.article-body{color:#344c58;font-size:1.05rem;line-height:1.95}
.article-body > *:last-child{margin-bottom:0}
.article-body p{margin:0 0 1.4em}
.article-body h2{
  color:var(--kai-ink);font-size:1.55rem;font-weight:800;margin:2em 0 .85em;
  padding-left:12px;border-left:4px solid var(--kai-accent);
}
.article-body h3{color:var(--kai-ink);font-size:1.25rem;font-weight:700;margin:1.7em 0 .7em}
.article-body h4{color:var(--kai-ink);font-size:1.08rem;font-weight:700;margin:1.4em 0 .6em}
.article-body img{border-radius:14px;box-shadow:var(--kai-shadow-sm);margin:1.6em 0}
.article-body a{color:var(--kai-blue-deep);text-decoration:underline;text-decoration-color:rgba(53,135,189,.35);text-underline-offset:4px}
.article-body a:hover{text-decoration-color:var(--kai-blue-deep)}
.article-body blockquote{
  margin:1.6em 0;padding:20px 24px;background:var(--kai-bg);
  border-left:4px solid var(--kai-blue);border-radius:0 12px 12px 0;
  color:var(--kai-ink);font-size:1.02rem;
}
.article-body ul,.article-body ol{margin:0 0 1.5em;padding-left:1.25em}
.article-body li{margin-bottom:.45em}
.article-body ul li::marker{color:var(--kai-blue)}
.article-body table{width:100%;border-collapse:collapse;margin:1.8em 0;font-size:.96rem}
.article-body th,.article-body td{border:1px solid var(--kai-border);padding:12px 14px;text-align:left}
.article-body th{background:var(--kai-bg-soft);font-weight:600;color:var(--kai-ink)}
.article-body code{background:var(--kai-bg-soft);border-radius:6px;padding:.1em .4em;font-size:.92em}

/* Tags */
.article-tags{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  padding:28px 0 6px;margin-top:36px;border-top:1px solid var(--kai-border);
}
.article-tags .tag-label{font-weight:600;color:var(--kai-ink)}
.tag-chip{
  display:inline-flex;align-items:center;gap:.35rem;padding:5px 14px;border-radius:900px;
  background:var(--kai-bg-soft);border:1px solid var(--kai-border);color:var(--kai-blue-deep);
  font-size:.88rem;font-weight:500;
}
.tag-chip:hover{background:var(--kai-blue);color:#fff;border-color:var(--kai-blue)}

/* Not found */
.not-found-shell{
  background:var(--kai-white);border:1px solid var(--kai-border);border-radius:var(--kai-radius-xl);
  box-shadow:var(--kai-shadow-sm);padding:90px 30px;text-align:center;margin:10px auto;
}
.not-found-shell .not-found-icon{width:68px;height:68px;border-radius:20px;background:var(--kai-bg-soft);color:var(--kai-blue);display:inline-flex;align-items:center;justify-content:center;font-size:1.8rem;margin-bottom:20px}
.not-found-shell h2{font-size:1.5rem;color:var(--kai-ink);font-weight:700;margin-bottom:12px}
.not-found-shell p{color:var(--kai-muted);max-width:520px;margin:0 auto 26px}

/* Pager & related */
.article-pager{padding:10px 0 55px}
.pager-links{
  list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr auto 1fr;
  gap:14px;align-items:stretch;
}
.pager-links li{display:flex}
.pager-action{
  display:flex;flex-direction:column;justify-content:center;gap:5px;
  background:var(--kai-white);border:1px solid var(--kai-border);border-radius:14px;
  padding:18px 22px;min-height:92px;box-shadow:var(--kai-shadow-sm);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.pager-action:hover{transform:translateY(-4px);box-shadow:var(--kai-shadow-md);border-color:rgba(53,135,189,.4)}
.pager-action small{color:var(--kai-muted);font-size:.84rem;display:flex;align-items:center;gap:8px}
.pager-action strong{color:var(--kai-ink);font-weight:600;line-height:1.5}
.pager-action.next{text-align:right}
.pager-action.next small{justify-content:flex-end}
.pager-back{
  display:inline-flex;align-items:center;gap:.5rem;background:var(--kai-bg-soft);
  border:1px dashed var(--kai-border);border-radius:900px;padding:0 18px;color:var(--kai-blue-deep);
  font-weight:600;
}
.pager-back:hover{border-style:solid;border-color:var(--kai-blue);background:rgba(53,135,189,.1)}

/* Related */
.related-section{padding:14px 0 55px}
.related-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px}
.related-head h2{font-size:1.7rem;color:var(--kai-ink);font-weight:800;margin:0}
.related-head p{color:var(--kai-muted);margin:0;font-size:.95rem}
.related-card{
  background:var(--kai-white);border:1px solid var(--kai-border);border-radius:var(--kai-radius-lg);
  overflow:hidden;display:flex;flex-direction:column;height:100%;
  box-shadow:var(--kai-shadow-sm);transition:transform .26s ease,box-shadow .28s ease;
}
.related-card:hover{transform:translateY(-6px);box-shadow:var(--kai-shadow-md)}
.related-card .rel-thumb{position:relative;overflow:hidden}
.related-card .rel-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s ease}
.related-card:hover .rel-thumb img{transform:scale(1.05)}
.related-card .rel-tag{
  position:absolute;left:12px;bottom:12px;background:rgba(13,57,80,.76);color:#fff;
  border:1px solid rgba(255,255,255,.35);backdrop-filter:blur(6px);
  font-size:.78rem;padding:3px 10px;border-radius:900px;
}
.related-card .rel-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1}
.related-card .rel-body strong{font-size:1.02rem;color:var(--kai-ink);font-weight:700;line-height:1.65;display:block}
.related-card .rel-body p{color:var(--kai-muted);font-size:.91rem;margin:10px 0 16px;line-height:1.7;flex:1}
.related-card .rel-go{color:var(--kai-blue-deep);font-weight:500;font-size:.92rem;display:inline-flex;align-items:center;gap:7px}
.related-card .rel-go i{transition:transform .24s ease}
.related-card:hover .rel-go i{transform:translateX(5px)}

/* Article bottom CTA */
.article-cta{
  position:relative;background:var(--kai-navy);color:#f0f8fc;
  padding:58px 0 66px;overflow:hidden;
}
.article-cta::before{
  content:"";position:absolute;top:-140px;left:8%;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(74,173,220,.38),rgba(74,173,220,0) 68%);
}
.article-cta::after{
  content:"";position:absolute;right:4%;bottom:-130px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(222,164,103,.22),rgba(222,164,103,0) 70%);
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:38px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(1.5rem,3vw,2.15rem);font-weight:800;color:#fff;margin:0 0 10px;line-height:1.35}
.cta-inner p{color:rgba(232,246,252,.82);max-width:680px;margin:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;flex-wrap:wrap}

/* Footer */
.site-footer{background:var(--kai-navy-deep);color:#c7dae3;border-top:4px solid rgba(72,148,198,.35)}
.footer-top{padding:64px 0 34px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-grid{display:grid;grid-template-columns:1.25fr .9fr .9fr 1fr;gap:38px}
.footer-brand-name{display:flex;align-items:center;gap:.6rem;font-size:1.4rem;font-weight:800;color:#fff;margin-bottom:18px}
.footer-brand-name .brand-badge{background:linear-gradient(150deg,#56b2e0,#2b7db0)}
.footer-desc{font-size:.96rem;line-height:1.9;color:#a9c2ce;margin:0 0 22px}
.footer-contact-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px;font-size:.94rem;color:#bfd4de}
.footer-contact-list i{width:18px;color:#5ba8d4}
.footer-contact-list li::marker{color:transparent}
.footer-h4{font-size:.98rem;color:#fff;font-weight:700;margin:6px 0 18px;letter-spacing:.05em}
.footer-links{list-style:none;margin:0;padding:0}
.footer-links li{margin-bottom:9px}
.footer-links a{display:inline-flex;align-items:center;gap:8px;color:#aec6d2;font-size:.95rem;padding:3px 0}
.footer-links a i{font-size:.68rem;color:#4f8fb5}
.footer-links a:hover{color:#fff;transform:translateX(4px)}
.footer-post-list{list-style:none;margin:0;padding:0}
.footer-post-list li{margin-bottom:12px;padding-left:16px;position:relative}
.footer-post-list li::before{content:"";position:absolute;left:0;top:12px;width:7px;height:7px;border-radius:50%;background:var(--kai-accent)}
.footer-post-list a{color:#aec6d2;font-size:.92rem;line-height:1.55;display:inline-block}
.footer-post-list a:hover{color:#fff}
.footer-bottom{padding:24px 0 28px}
.footer-bottom-inner{display:flex;justify-content:space-between;align-items:center;gap:14px;color:#8aa6b5;font-size:.88rem;flex-wrap:wrap}
.footer-bottom-inner span{color:#c9dbe3}

/* Responsive */
@media (max-width:1199px){
  .nav-link-custom{padding:.7rem .72rem;font-size:.93rem}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:991px){
  .site-header .navbar-wrap nav,.mega-panel{display:none!important}
  .navbar-toggle{display:inline-flex}
  .nav-cta-desktop{display:none}
  .navbar-wrap{min-height:68px;gap:1rem}
  .navbar-wrap .brand-logo{font-size:1.22rem}
  .article-card::after{display:none}
}
@media (max-width:767px){
  .article-page-top{padding-top:26px}
  .article-meta-list{gap:10px 14px}
  .article-card{padding:25px 20px;border-radius:14px}
  .article-featured img{aspect-ratio:16/10}
  .lead-note{flex-direction:column}
  .article-body{font-size:1rem;line-height:1.85}
  .pager-links{grid-template-columns:1fr}
  .pager-back{min-height:48px;justify-content:center}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-top{padding:48px 0 26px}
  .cta-inner{flex-direction:column;text-align:left;padding-right:4px}
}
@media (max-width:575px){
  body{font-size:15px}
  .container{padding-left:16px;padding-right:16px}
  .article-meta-list{font-size:.86rem}
  .breadcrumb-custom{font-size:.85rem}
  .breadcrumb-custom li.current{max-width:180px}
  .related-head{flex-direction:column;align-items:flex-start}
  .related-head h2{font-size:1.4rem}
  .btn-kai,.btn-outline-kai{width:100%}
  .cta-actions .btn{width:100%}
  .footer-bottom-inner{justify-content:center;text-align:center}
}
.article-related-card-list{margin-top:0}

/* roulang page: category3 */
:root{
  --primary:#4f86c6;
  --primary-dark:#326fa8;
  --primary-soft:#e8f1fb;
  --deep-blue:#1f3d57;
  --deep-solid:#142f45;
  --accent:#e0a15c;
  --accent-soft:#f9ede1;
  --body-bg:#ffffff;
  --body-alt:#f5f9fd;
  --body-tint:#eef5fb;
  --text:#23405a;
  --text-strong:#18344d;
  --text-muted:#6b8298;
  --white:#ffffff;
  --border:#deeaf2;
  --radius-card:18px;
  --radius-panel:12px;
  --radius-btn:9px;
  --shadow-xs:0 3px 10px rgba(37,68,98,.06);
  --shadow-sm:0 6px 18px rgba(37,68,98,.07);
  --shadow-md:0 12px 32px rgba(37,68,98,.10);
  --shadow-lg:0 24px 50px rgba(31,69,103,.13);
  --space-section:100px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--text);
  background:var(--body-bg);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
a{text-decoration:none;color:inherit;transition:color .2s}
img{max-width:100%;display:block;border:0}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 16px}
button{font-family:inherit}
.container{max-width:1200px}
::selection{background:#cfe4f7;color:#18344d}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:3px solid rgba(79,134,198,.35);
  outline-offset:3px;
  border-radius:4px;
}
.btn-main,.btn-line,.btn-light-main,.btn-common{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  height:52px;
  padding:0 28px;
  border-radius:var(--radius-btn);
  font-size:16px;
  font-weight:600;
  line-height:1;
  transition:all .22s ease;
  border:0;
}
.btn-main{background:var(--primary);color:#fff}
.btn-main:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 10px 24px rgba(50,111,168,.22)}
.btn-main:active{transform:translateY(0)}
.btn-line{border:1px solid #b7cfde;background:#fff;color:var(--text-strong)}
.btn-line:hover{border-color:var(--primary);color:var(--primary);background:#fff;transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn-light-main{background:#fff;color:var(--deep-solid)}
.btn-light-main:hover{background:#f2f8ff;color:var(--primary-dark);transform:translateY(-2px);box-shadow:0 14px 30px rgba(0,0,0,.12)}
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1050;
  height:76px;
  background:rgba(255,255,255,.93);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(222,234,242,.55);
  transition:box-shadow .25s,background .25s;
}
.site-header.is-scrolled{
  box-shadow:0 10px 35px rgba(30,62,90,.08);
  background:rgba(255,255,255,.98);
}
.navbar-wrap{
  height:76px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.brand-logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:23px;
  font-weight:800;
  letter-spacing:.5px;
  color:var(--text-strong);
  white-space:nowrap;
}
.brand-badge{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:36px;
  height:36px;
  border-radius:11px;
  background:linear-gradient(145deg,#6ea5dd,#3677b6);
  color:#fff;
  font-size:17px;
  box-shadow:0 6px 16px rgba(79,134,198,.32);
}
.main-nav-desktop{
  display:flex;
  align-items:center;
  gap:6px;
  margin:0;
  padding:0;
  list-style:none;
}
.main-nav-desktop>li{position:relative}
.nav-link-custom{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:76px;
  padding:0 15px;
  color:var(--text);
  font-size:16px;
  font-weight:500;
  line-height:1;
  position:relative;
}
.nav-link-custom::after{
  content:"";
  position:absolute;
  left:15px;right:15px;bottom:0;
  height:3px;
  border-radius:10px 10px 0 0;
  background:var(--primary);
  transform:scaleX(.25);
  transform-origin:center;
  opacity:0;
  transition:transform .25s ease,opacity .25s ease;
}
.nav-link-custom:hover{color:var(--primary)}
.nav-link-custom.active{color:var(--primary);font-weight:600}
.nav-link-custom.active::after,.nav-link-custom:hover::after{opacity:1;transform:scaleX(1)}
.nav-right{
  display:flex;
  align-items:center;
  gap:14px;
}
.nav-cta-desktop{
  display:inline-flex;
  align-items:center;
  height:44px;
  padding:0 20px;
  background:var(--deep-blue);
  color:#fff;
  border-radius:24px;
  font-size:15px;
  font-weight:600;
  transition:all .2s;
}
.nav-cta-desktop:hover{
  background:var(--primary-dark);
  transform:translateY(-2px);
  box-shadow:0 10px 22px rgba(31,61,87,.2);
}
.navbar-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  width:46px;height:46px;
  border:1px solid var(--border);
  background:#fff;
  color:var(--deep-blue);
  border-radius:10px;
  font-size:20px;
  transition:all .2s;
}
.navbar-toggle:hover{border-color:var(--primary);color:var(--primary)}
.nav-has-mega{position:relative}
.mega-panel{
  position:absolute;
  top:calc(100% + 12px);
  left:50%;
  width:720px;
  max-width:80vw;
  background:#fff;
  border-radius:16px;
  box-shadow:0 28px 65px rgba(30,60,90,.18);
  border:1px solid #edf3f8;
  padding:20px;
  opacity:0;
  visibility:hidden;
  transform:translateX(-50%) translateY(12px);
  transition:opacity .22s ease,transform .22s ease,visibility .22s;
  z-index:1080;
}
.nav-has-mega:hover .mega-panel,.nav-has-mega:focus-within .mega-panel{
  opacity:1;
  visibility:visible;
  transform:translateX(-50%) translateY(0);
}
.mega-inner{
  display:grid;
  grid-template-columns:1.2fr .9fr;
  gap:22px;
  align-items:stretch;
}
.mega-menu-list{display:grid;gap:4px}
.mega-menu-list a{
  display:flex;
  align-items:center;
  gap:13px;
  padding:13px 14px;
  border-radius:10px;
  color:var(--text-strong);
  font-weight:600;
  font-size:16px;
  transition:background .15s,color .15s;
}
.mega-menu-list a i{
  width:34px;
  height:34px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:9px;
  background:var(--primary-soft);
  color:var(--primary);
  font-size:14px;
  flex:0 0 auto;
}
.mega-menu-list a:hover{background:var(--body-alt);color:var(--primary)}
.mega-card-entry{
  display:block;
  border-radius:14px;
  overflow:hidden;
  background:#f7fafd;
  border:1px solid #edf3f8;
  height:100%;
  padding:12px;
  transition:box-shadow .2s;
}
.mega-card-entry:hover{box-shadow:var(--shadow-sm)}
.mega-card-entry img{width:100%;height:122px;object-fit:cover;border-radius:10px}
.mega-card-entry span{display:block;margin-top:11px;font-weight:600;font-size:15px;color:var(--text-strong);line-height:1.5}
.mega-card-entry small{display:block;margin-top:4px;color:var(--primary);font-size:14px}
.mobile-nav{
  position:fixed;
  top:76px;
  right:0;
  width:min(360px,92vw);
  max-height:calc(100vh - 76px);
  background:#fff;
  overflow-y:auto;
  box-shadow:-18px 0 45px rgba(30,60,90,.18);
  border-radius:0 0 0 18px;
  padding:13px 16px 22px;
  z-index:1049;
  transform:translateX(110%);
  transition:transform .28s ease;
}
.mobile-nav.open{transform:translateX(0)}
.mobile-nav-list li{margin:0 0 2px}
.m-link,.mobile-nav-list .m-open{
  display:block;
  padding:12px 13px;
  border-radius:9px;
  color:var(--text);
  font-weight:600;
  font-size:16px;
  cursor:pointer;
}
.m-link:hover,.mobile-nav-list .m-open:hover,.m-link.active{color:var(--primary);background:var(--body-alt)}
.mobile-nav-list .m-open{display:flex;align-items:center;justify-content:space-between}
.mobile-nav-list .m-open i{font-size:13px}
.mobile-nav-list .sub-level{
  display:none;
  padding:2px 0 8px 20px;
}
.mobile-nav-list .sub-level.open{display:block}
.mobile-nav-list .sub-level a{
  display:block;
  padding:9px 13px;
  border-radius:8px;
  color:var(--text);
  font-size:15px;
  font-weight:500;
}
.mobile-nav-list .sub-level a:hover{color:var(--primary);background:#f5f9fd}
.section-space{padding-top:var(--space-section);padding-bottom:var(--space-section)}
.cat-main{background:#fff}
/* ====== Category Hero ====== */
.cat-page-hero{
  position:relative;
  padding:150px 0 78px;
  background:linear-gradient(180deg,#eaf3fb 0%,#f8fbfe 72%,#ffffff 100%);
  overflow:hidden;
}
.cat-page-hero .hero-bg-mark{
  position:absolute;
  inset:auto -120px -160px auto;
  width:480px;
  height:480px;
  border-radius:50%;
  background:rgba(125,177,222,.12);
  filter:blur(20px);
}
.page-breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:7px;
  color:var(--text-muted);
  font-size:14px;
  margin-bottom:34px;
}
.page-breadcrumb a{color:#587c9c}
.page-breadcrumb a:hover{color:var(--primary)}
.page-breadcrumb i{font-size:11px;color:#9bb4c8}
.breadcrumb-current{color:var(--text-strong);font-weight:600}
.cat-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:9px;
  color:var(--primary);
  font-size:15px;
  font-weight:700;
  letter-spacing:1.2px;
  margin-bottom:18px;
}
.cat-eyebrow::before{content:"";width:28px;height:3px;border-radius:6px;background:var(--accent)}
.cat-hero-title{
  font-size:44px;
  line-height:1.3;
  font-weight:800;
  color:var(--text-strong);
  max-width:650px;
  margin-bottom:24px;
  letter-spacing:.2px;
}
.cat-hero-title span{color:var(--primary)}
.cat-hero-text{
  max-width:620px;
  font-size:17px;
  line-height:1.85;
  color:#4f697f;
  margin-bottom:34px;
}
.cat-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.cat-hero-trust{display:flex;flex-wrap:wrap;gap:10px 28px;font-size:14px;color:var(--text-muted)}
.cat-hero-trust i{color:var(--primary);margin-right:5px}
.cat-hero-media{
  position:relative;
  margin-left:auto;
  margin-top:28px;
}
.hero-photo{
  border-radius:22px;
  overflow:hidden;
  min-height:290px;
  background-size:cover;
  background-position:center;
  box-shadow:0 32px 70px rgba(45,76,110,.24);
}
.hero-photo img{width:100%;height:330px;object-fit:cover}
.float-chip{
  position:absolute;
  background:#fff;
  border-radius:11px;
  box-shadow:0 14px 35px rgba(30,60,90,.14);
  font-size:14px;
  padding:11px 16px;
  font-weight:600;
  color:var(--deep-blue);
  display:inline-flex;
  align-items:center;
  gap:8px;
  border:1px solid #edf4fa;
  white-space:nowrap;
}
.float-chip i{color:var(--primary)}
.float-chip-left{left:-18px;bottom:44px}
.float-chip-right{right:-10px;top:42px}
.float-chip-right i{color:var(--accent)}
/* ====== Pain cards ====== */
.pain-area{background:var(--body-alt)}
.section-head{
  max-width:700px;
  margin-bottom:52px;
}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-kicker{
  display:inline-block;
  font-size:14px;
  color:var(--primary);
  font-weight:700;
  letter-spacing:1.4px;
  margin-bottom:11px;
}
.section-title{
  font-size:33px;
  font-weight:800;
  color:var(--text-strong);
  line-height:1.35;
  margin-bottom:15px;
}
.section-sub{color:var(--text-muted);font-size:16px;line-height:1.8}
.pain-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.pain-card{
  border-radius:var(--radius-card);
  background:#fff;
  border:1px solid #edf3f9;
  padding:34px 26px 28px;
  box-shadow:var(--shadow-xs);
  transition:transform .25s,box-shadow .25s;
  height:100%;
}
.pain-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:#d6e7f4}
.pain-icon{
  width:52px;
  height:52px;
  border-radius:15px;
  background:var(--primary-soft);
  color:var(--primary);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:20px;
  margin-bottom:19px;
}
.pain-card h3{font-size:18px;font-weight:700;color:var(--text-strong);margin-bottom:12px}
.pain-card p{font-size:15px;color:var(--text-muted);line-height:1.7;margin:0}
/* ====== Path timeline ====== */
.path-area{background:#fff}
.path-step-row{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:28px;
  counter-reset:pathStep;
}
.path-step{
  position:relative;
  padding-top:66px;
}
.path-step::before{
  counter-increment:pathStep;
  content:"0" counter(pathStep);
  position:absolute;
  top:0;
  left:0;
  font-size:51px;
  font-weight:800;
  color:#d8e9f8;
  line-height:1;
  letter-spacing:-1px;
  transition:color .25s;
}
.path-step:hover::before{color:var(--primary)}
.path-step-line{
  width:52px;
  height:4px;
  border-radius:10px;
  background:var(--accent);
  margin-bottom:19px;
}
.path-step h3{font-size:18px;color:var(--text-strong);font-weight:700;margin-bottom:10px}
.path-step p{margin:0;color:var(--text-muted);font-size:15px;line-height:1.75}
/* ====== Case portfolio ====== */
.case-area{
  padding-top:var(--space-section);
  padding-bottom:var(--space-section);
  background:linear-gradient(180deg,#f5f9fd 0%,#ffffff 28%);
}
.case-masonry{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:32px 26px;
}
.case-card{
  border-radius:20px;
  overflow:hidden;
  background:#fff;
  border:1px solid #e8f0f6;
  box-shadow:var(--shadow-xs);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  display:flex;
  flex-direction:column;
}
.case-card:hover{transform:translateY(-7px);box-shadow:var(--shadow-md);border-color:#d1e3ef}
.case-card.col-7{grid-column:span 7}
.case-card.col-5{grid-column:span 5}
.case-card.col-4{grid-column:span 4}
.case-card.col-8{grid-column:span 8}
.case-card.col-3{grid-column:span 3}
.case-cover-wrap{position:relative;overflow:hidden}
.case-cover-wrap img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.case-cover-wrap::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(20,45,65,.24))}
.case-card:hover .case-cover-wrap img{transform:scale(1.05)}
.case-tag{
  position:absolute;
  left:16px;
  top:15px;
  z-index:2;
  background:rgba(255,255,255,.95);
  color:var(--primary);
  padding:6px 13px;
  border-radius:20px;
  font-size:13px;
  font-weight:700;
  box-shadow:0 4px 10px rgba(30,60,90,.12);
}
.case-content{
  padding:21px 22px 24px;
  display:flex;
  flex-direction:column;
  flex:1;
}
.case-content h3{font-size:20px;font-weight:700;color:var(--text-strong);line-height:1.45;margin-bottom:10px}
.case-content p{flex:1;font-size:15px;color:var(--text-muted);line-height:1.7;margin-bottom:15px}
.case-meta{
  display:flex;
  align-items:center;
  gap:14px;
  font-size:13px;
  color:#8da4b6;
  font-weight:500;
}
.case-meta span{
  display:inline-flex;
  align-items:center;
  gap:5px;
  padding:5px 11px;
  background:var(--body-alt);
  border-radius:20px;
}
.case-link{
  color:var(--primary);
  font-size:14px;
  font-weight:700;
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-top:12px;
}
.case-link:hover{color:var(--primary-dark);gap:10px}
/* ====== dark diagnostic ====== */
.diagnostic-area{
  position:relative;
  color:#fff;
  overflow:hidden;
  background:
    linear-gradient(120deg,rgba(255,255,255,.045) 0%,rgba(255,255,255,0) 36%),
    var(--deep-blue);
}
.diagnostic-area::before{
  content:"";
  position:absolute;
  right:-170px;
  top:-170px;
  width:440px;
  height:440px;
  background:rgba(116,165,205,.16);
  filter:blur(18px);
  border-radius:50%;
}
.diagnostic-area::after{
  content:"";
  position:absolute;
  left:-130px;
  bottom:-160px;
  width:360px;
  height:360px;
  background:rgba(224,161,92,.10);
  filter:blur(16px);
  border-radius:50%;
}
.diagnostic-inner{
  position:relative;
  z-index:1;
  padding:95px 0;
}
.diagnostic-title{font-size:32px;font-weight:800;margin-bottom:15px}
.diagnostic-sub{color:#c4d8e6;max-width:680px;margin-bottom:42px;line-height:1.8}
.diag-list{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:26px;
  margin-bottom:45px;
}
.diag-item{
  display:flex;
  gap:16px;
  align-items:flex-start;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.12);
  border-radius:16px;
  padding:20px 18px;
  min-height:112px;
}
.diag-item i{
  flex:0 0 auto;
  width:42px;
  height:42px;
  border-radius:11px;
  background:#fff;
  color:var(--primary);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:17px;
}
.diag-item span{color:#dbeaf4;font-weight:600;font-size:14px}
.diag-item strong{display:block;font-weight:300;font-size:12px;color:#9ebad0;margin-top:3px;line-height:1.45}
.diag-number-row{
  display:flex;
  flex-wrap:wrap;
  gap:24px;
  border-top:1px solid rgba(255,255,255,.2);
  padding-top:30px;
}
.diag-num{
  min-width:150px;
  display:flex;
  align-items:baseline;
  gap:7px;
}
.diag-num b{font-size:38px;color:#fff;font-weight:800;line-height:1}
.diag-num em{font-style:normal;color:#98b8ce;font-size:14px}
/* ====== CTA strip ====== */
.cta-strip{
  padding:72px 0;
  background:var(--deep-solid);
  text-align:center;
}
.cta-inner{
  max-width:820px;
  margin:0 auto;
}
.cta-inner h2{color:#fff;font-size:30px;font-weight:800;line-height:1.4;margin-bottom:12px}
.cta-inner h2 span{color:#ffd9ad}
.cta-inner p{color:#a8c6d8;font-size:16px;margin-bottom:28px}
.cta-inner .btn-light-main{box-shadow:0 15px 35px rgba(0,0,0,.18)}
/* ====== FAQ ====== */
.faq-area{background:#fff}
.faq-wrap{max-width:930px;margin:0 auto}
.accordion-item{
  border:1px solid #e5eef5;
  border-radius:14px !important;
  margin-bottom:14px;
  overflow:hidden;
  background:#fff;
  box-shadow:0 3px 10px rgba(20,60,90,.035);
}
.accordion-button{
  background-color:#fff;
  padding:20px 22px;
  font-size:17px;
  font-weight:600;
  color:var(--text-strong);
  cursor:pointer;
  box-shadow:none;
  border:0;
  line-height:1.55;
}
.accordion-button:not(.collapsed){
  background:#f5f9fe;
  color:var(--primary);
  box-shadow:none;
}
.accordion-button:focus{box-shadow:none;outline:0}
.accordion-button::after{
  background-image:none;
  content:"\f105";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  width:32px;
  height:32px;
  border-radius:50%;
  background:#eef4fa;
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--primary);
  font-size:15px;
  transition:transform .2s,background .2s;
}
.accordion-button:not(.collapsed)::after{
  background:var(--primary);
  color:#fff;
  transform:rotate(90deg);
}
.accordion-body{padding:8px 22px 22px;color:var(--text-muted);font-size:15px;line-height:1.85}
/* ====== Footer ====== */
.site-footer{background:#163149;color:#b7cbd9}
.footer-top{padding:68px 0 44px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-grid{
  display:grid;
  grid-template-columns:1.25fr .9fr .9fr 1fr;
  gap:36px;
}
.footer-brand-name{
  font-size:24px;
  font-weight:800;
  color:#fff;
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}
.footer-brand-name .brand-badge{background:rgba(255,255,255,.14);color:#fff;box-shadow:none;width:34px;height:34px;font-size:15px}
.footer-desc{color:#a7bfd0;line-height:1.8;font-size:15px;margin-bottom:20px}
.footer-contact-list li{display:flex;gap:9px;color:#a3bdcd;font-size:14px;margin-bottom:8px;list-style:none}
.footer-contact-list i{color:#71a6d3}
.footer-h4{
  color:#fff;
  font-size:17px;
  margin-bottom:19px;
  font-weight:700;
}
.footer-links li{margin-bottom:9px}
.footer-links a{
  color:#a7bfd0;
  font-size:15px;
  display:inline-flex;
  gap:7px;
  align-items:center;
  transition:all .15s;
}
.footer-links a i{font-size:10px;color:#5d89b1}
.footer-links a:hover{color:#fff;transform:translateX(3px)}
.footer-post-list li{margin-bottom:9px;font-size:15px}
.footer-post-list a{color:#a7bfd0;display:inline-block;line-height:1.45}
.footer-post-list a:hover{color:#fff}
.footer-bottom{padding:19px 0}
.footer-bottom-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px}
.footer-copy{font-size:14px;color:#8eafc4;margin:0}
.footer-icp{font-size:14px;color:#8eafc4;margin:0}
/* ====== responsive ====== */
@media(max-width:1199.98px){
  .pain-grid{gap:18px}
  .diag-list{gap:18px}
  .footer-grid{gap:24px}
}
@media(max-width:991.98px){
  :root{--space-section:76px}
  .main-nav-desktop,.nav-cta-desktop{display:none}
  .navbar-toggle{display:inline-flex}
  .cat-page-hero{padding:125px 0 64px}
  .cat-hero-title{font-size:36px}
  .cat-hero-media{margin-top:28px;max-width:560px}
  .hero-photo img{height:300px}
  .float-chip-left{left:-5px}
  .float-chip-right{right:-5px}
  .pain-grid{grid-template-columns:repeat(2,1fr)}
  .path-step-row{grid-template-columns:repeat(2,1fr);gap:32px 22px}
  .case-card.col-7,.case-card.col-5,.case-card.col-4,.case-card.col-8,.case-card.col-3{grid-column:span 12}
  .diag-list{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:767.98px){
  body{font-size:15px}
  .cat-page-hero{padding:112px 0 50px}
  .cat-hero-title{font-size:30px}
  .cat-hero-text{font-size:16px}
  .section-title{font-size:26px}
  .section-sub{font-size:15px}
  .pain-card{padding:28px 20px}
  .diagnostic-inner{padding:70px 0}
  .diag-list{grid-template-columns:1fr}
  .diag-item{min-height:auto}
  .diag-number-row{gap:15px}
  .diag-num{min-width:44%}
  .cta-strip{padding:56px 0}
  .cta-inner h2{font-size:25px}
  .accordion-button{font-size:16px;padding:17px 16px}
  .accordion-body{padding:0 16px 17px}
  .footer-grid{grid-template-columns:1fr}
  .footer-top{padding:52px 0 32px}
}
@media(max-width:575.98px){
  :root{--space-section:60px}
  .navbar-wrap{gap:10px}
  .brand-logo{font-size:20px}
  .brand-badge{width:32px;height:32px;font-size:15px}
  .cat-hero-title{font-size:27px}
  .cat-hero-actions .btn-main,.cat-hero-actions .btn-line{width:100%;padding:0 12px}
  .pain-grid{grid-template-columns:1fr}
  .path-step-row{grid-template-columns:1fr}
  .case-masonry{gap:24px}
  .case-content h3{font-size:18px}
  .footer-bottom-inner{flex-direction:column;text-align:center;justify-content:center}
}

/* roulang page: category2 */
:root {
  --ky-primary: #2e7ab5;
  --ky-primary-dark: #1f6094;
  --ky-deep: #123f60;
  --ky-deeper: #0d2f49;
  --ky-accent: #d9974f;
  --ky-bg: #ffffff;
  --ky-bg-alt: #f1f6fa;
  --ky-bg-soft: #f7fafc;
  --ky-border: #dce7f0;
  --ky-text: #263e52;
  --ky-muted: #6c8293;
  --ky-light: #eaf2f8;
  --ky-radius-lg: 20px;
  --ky-radius-md: 14px;
  --ky-radius-sm: 8px;
  --ky-radius-pill: 999px;
  --ky-shadow-main: 0 18px 44px rgba(18, 63, 96, 0.08);
  --ky-shadow-card: 0 8px 24px rgba(18, 63, 96, 0.06);
  --ky-shadow-hover: 0 24px 52px rgba(18, 63, 96, 0.12);
  --ky-transition: 0.25s ease;
}
html, body {
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
}
html {
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ky-text);
  background: #fff;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-weight: 700;
  line-height: 1.35;
  color: var(--ky-deep);
}
p {
  margin: 0 0 1.15em;
}
ul {
  margin: 0;
  padding: 0;
  list-style: none;
}
blockquote {
  margin: 0;
}
img {
  display: block;
  max-width: 100%;
  height: auto;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  border: 0;
  background: none;
}
::selection {
  background: rgba(46, 122, 181, 0.18);
}
.container {
  width: 100%;
  margin-right: auto;
  margin-left: auto;
  padding-right: 24px;
  padding-left: 24px;
}
@media (min-width: 576px) {
  .container {
    max-width: 100%;
  }
}
@media (min-width: 768px) {
  .container {
    max-width: 100%;
  }
}
@media (min-width: 992px) {
  .container {
    max-width: 1080px;
  }
}
@media (min-width: 1200px) {
  .container {
    max-width: 1260px;
  }
}
.section-space {
  padding: 100px 0;
}
.section-space-sm {
  padding: 76px 0;
}
.section-space-xs {
  padding: 56px 0;
}

/* 品牌按钮 */
.btn-ky-primary,
.btn-ky-outline,
.btn-ky-light,
.btn-ky-dark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 48px;
  padding: 0 27px;
  border-radius: var(--ky-radius-sm);
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
  transition: var(--ky-transition);
  border: 1px solid transparent;
  cursor: pointer;
}
.btn-ky-primary {
  background: var(--ky-primary);
  color: #fff;
  box-shadow: 0 8px 20px rgba(46, 122, 181, 0.22);
}
.btn-ky-primary:hover {
  background: var(--ky-primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(31, 96, 148, 0.26);
}
.btn-ky-primary:focus-visible,
.btn-ky-outline:focus-visible,
.btn-ky-light:focus-visible {
  outline: 3px solid rgba(46, 122, 181, 0.4);
  outline-offset: 2px;
}
.btn-ky-outline {
  background: rgba(255, 255, 255, 0.6);
  border-color: #b9d1e4;
  color: var(--ky-primary-dark);
}
.btn-ky-outline:hover {
  background: #fff;
  border-color: var(--ky-primary);
  color: var(--ky-primary);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(18, 63, 96, 0.08);
}
.btn-ky-light {
  background: #fff;
  color: var(--ky-deep);
}
.btn-ky-light:hover {
  background: var(--ky-light);
  color: var(--ky-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(255, 255, 255, 0.1);
}
.btn-ky-dark {
  background: var(--ky-deep);
  color: #fff;
}
.btn-ky-dark:hover {
  background: #0d3c5a;
  color: #fff;
  transform: translateY(-2px);
}
.section-eye {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--ky-primary);
  text-transform: uppercase;
}
.section-eye::before {
  content: "";
  width: 24px;
  height: 2px;
  border-radius: 3px;
  background: var(--ky-accent);
}

/* 导航 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1060;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.site-header.scrolled {
  border-bottom-color: rgba(18, 63, 96, 0.05);
  box-shadow: 0 10px 30px rgba(18, 63, 96, 0.06);
}
.navbar-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  min-height: 76px;
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--ky-deep);
  white-space: nowrap;
}
.brand-logo:hover {
  color: var(--ky-primary);
}
.brand-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  color: #fff;
  background: linear-gradient(135deg, #2e7ab5, #57a9e0);
  box-shadow: 0 8px 18px rgba(46, 122, 181, 0.25);
  font-size: 18px;
}
.navbar-wrap nav {
  margin-left: auto;
}
.main-nav-desktop {
  display: flex;
  align-items: center;
  gap: 2px;
}
.main-nav-desktop > li {
  position: relative;
}
.nav-link-custom {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 17px;
  border-radius: var(--ky-radius-pill);
  font-size: 15px;
  font-weight: 600;
  color: #2a465b;
  transition: var(--ky-transition);
}
.nav-link-custom i {
  font-size: 11px;
}
.nav-link-custom:hover,
.nav-link-custom.active {
  background: var(--ky-light);
  color: var(--ky-primary-dark);
}
.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav-cta-desktop {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 43px;
  padding: 0 22px;
  border-radius: var(--ky-radius-pill);
  background: var(--ky-deep);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  transition: var(--ky-transition);
}
.nav-cta-desktop:hover {
  background: var(--ky-primary);
  transform: translateY(-1px);
  color: #fff;
}
.navbar-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--ky-bg-alt);
  color: var(--ky-deep);
  font-size: 20px;
}

/* Mega menu */
.nav-has-mega .mega-panel {
  position: absolute;
  top: calc(100% + 18px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  width: min(860px, calc(100vw - 48px));
  background: #fff;
  border: 1px solid #ebf1f7;
  border-radius: 22px;
  box-shadow: 0 26px 70px rgba(18, 63, 96, 0.16);
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.22s ease, transform 0.22s ease, visibility 0.22s ease;
}
.nav-has-mega:hover .mega-panel,
.nav-has-mega.mega-open .mega-panel,
.nav-has-mega:focus-within .mega-panel {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}
.mega-inner {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 18px;
}
.mega-menu-list {
  display: grid;
  gap: 6px;
}
.mega-menu-list li a {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 13px 14px;
  border-radius: 14px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ky-text);
  transition: var(--ky-transition);
}
.mega-menu-list li a i {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--ky-light);
  color: var(--ky-primary-dark);
  font-size: 14px;
}
.mega-menu-list li a:hover {
  background: var(--ky-bg-soft);
  color: var(--ky-primary-dark);
}
.mega-card-entry {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px;
  background: var(--ky-bg-soft);
  border-radius: 16px;
  transition: var(--ky-transition);
}
.mega-card-entry:hover {
  background: #edf5fb;
  box-shadow: var(--ky-shadow-card);
}
.mega-card-entry img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  border-radius: 12px;
}
.mega-card-entry span {
  font-size: 15px;
  font-weight: 700;
  color: var(--ky-deep);
}
.mega-card-entry small {
  font-size: 13px;
  color: var(--ky-primary);
  font-weight: 600;
}

/* 移动导航 */
.mobile-nav {
  display: block;
  max-height: 0;
  overflow: hidden;
  background: #fff;
  border-top: 0 solid #e9f0f6;
  transition: max-height 0.35s ease, border-color 0.3s ease;
}
.mobile-nav.show {
  max-height: 640px;
  border-top-width: 1px;
  border-color: #e9f0f6;
  box-shadow: 0 14px 26px rgba(18, 63, 96, 0.08);
}
.mobile-nav-list {
  padding: 16px 20px 8px;
}
.mobile-nav-list li {
  border-radius: 12px;
}
.mobile-nav-list li a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 10px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ky-text);
}
.mobile-nav-list li a:hover,
.mobile-nav-list li a.active {
  background: var(--ky-light);
  color: var(--ky-primary-dark);
}
.mobile-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  margin: 10px 20px 22px;
  border-radius: 12px;
  background: var(--ky-deep);
  color: #fff;
  font-weight: 600;
  font-size: 15px;
}

/* 分类页 Banner */
.cat-banner {
  padding: 64px 0 56px;
  background: var(--ky-bg-alt);
  border-bottom: 1px solid #e6eef5;
}
.ky-breadcrumb {
  margin-bottom: 34px;
}
.ky-breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--ky-muted);
}
.ky-breadcrumb li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.ky-breadcrumb li + li::before {
  content: "/";
  color: #b8cada;
  font-weight: 300;
}
.ky-breadcrumb a {
  color: var(--ky-muted);
  transition: var(--ky-transition);
}
.ky-breadcrumb a:hover {
  color: var(--ky-primary);
}
.ky-breadcrumb li[aria-current="page"] {
  color: var(--ky-primary-dark);
  font-weight: 600;
}
.cat-banner-content {
  max-width: 980px;
}
.cat-banner h1 {
  max-width: 850px;
  margin: 16px 0 20px;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.25;
  color: var(--ky-deep);
}
.cat-lead {
  max-width: 760px;
  margin-bottom: 28px;
  font-size: 16px;
  color: var(--ky-muted);
}
.banner-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 30px;
  padding: 0;
}
.banner-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 14px;
  border-radius: var(--ky-radius-pill);
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid #d8e5ef;
  font-size: 13px;
  font-weight: 600;
  color: var(--ky-primary-dark);
}
.banner-chip i {
  color: var(--ky-accent);
}
.cat-banner-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* 主内容区 */
.cat-main-layout {
  padding: 90px 0 92px;
  background: #f6f9fc;
}
.left-content-column {
  display: flex;
  flex-direction: column;
  gap: 34px;
}
.content-intro-card {
  background: #fff;
  border-radius: var(--ky-radius-lg);
  box-shadow: var(--ky-shadow-main);
  padding: 36px;
  position: relative;
  overflow: hidden;
}
.content-intro-card::after {
  content: "";
  position: absolute;
  right: -60px;
  top: -60px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: rgba(46, 122, 181, 0.05);
}
.content-intro-card h2 {
  font-size: 25px;
  margin-bottom: 16px;
}
.content-intro-card p {
  font-size: 16px;
  color: var(--ky-muted);
}
.ky-grid-cards {
  margin-top: -10px;
}
.key-action-card {
  background: #fff;
  border-radius: var(--ky-radius-md);
  border: 1px solid #e9f0f6;
  padding: 26px 24px;
  height: 100%;
  box-shadow: var(--ky-shadow-card);
  transition: var(--ky-transition);
}
.key-action-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--ky-shadow-hover);
  border-color: #cbdfed;
}
.key-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.key-num {
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .08em;
  color: #aabfd2;
}
.key-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 13px;
  background: var(--ky-light);
  color: var(--ky-primary);
  font-size: 18px;
}
.key-action-card h3 {
  font-size: 18px;
  margin-bottom: 10px;
}
.key-action-card p {
  font-size: 15px;
  line-height: 1.78;
  color: var(--ky-muted);
  margin-bottom: 0;
}

/* 洞察卡 */
.insight-block {
  background: #fff;
  border-radius: var(--ky-radius-lg);
  box-shadow: var(--ky-shadow-main);
  padding: 40px;
}
.insight-block-head {
  margin-bottom: 30px;
}
.insight-block-head h2 {
  font-size: 25px;
  margin-top: 12px;
}
.insight-card {
  display: flex;
  align-items: center;
  gap: 26px;
  padding: 30px 0;
  border-bottom: 1px solid #edf3f8;
}
.insight-card:last-child {
  border-bottom: 0;
  padding-bottom: 4px;
}
.insight-thumb {
  width: 210px;
  min-width: 210px;
  aspect-ratio: 4/3;
  overflow: hidden;
  border-radius: 14px;
}
.insight-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.insight-thumb:hover img {
  transform: scale(1.04);
}
.tag-mini-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}
.tag-mini {
  display: inline-flex;
  padding: 4px 10px;
  border-radius: 999px;
  background: #edf5fb;
  color: var(--ky-primary-dark);
  font-size: 12px;
  font-weight: 600;
}
.insight-content h3 {
  font-size: 19px;
  margin-bottom: 10px;
  color: var(--ky-deep);
}
.insight-content p {
  font-size: 15px;
  line-height: 1.85;
  color: var(--ky-muted);
  margin-bottom: 0;
}
.insight-content {
  flex: 1;
}
.ky-quote-wrap {
  border-radius: var(--ky-radius-md);
  background: linear-gradient(120deg, #f2f7fb, #e9f2f9);
  border-left: 4px solid var(--ky-primary);
  padding: 30px 32px;
}
.ky-quote-wrap blockquote p {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.9;
  color: #214a68;
}
.ky-quote-wrap .quote-source {
  display: block;
  margin-top: 14px;
  font-size: 13px;
  color: var(--ky-muted);
  letter-spacing: 0.08em;
  text-align: right;
}

/* 侧栏 */
.category-sidebar {
  display: flex;
  flex-direction: column;
  gap: 28px;
  position: sticky;
  top: 100px;
}
.side-card {
  background: #fff;
  border-radius: var(--ky-radius-lg);
  box-shadow: var(--ky-shadow-card);
  border: 1px solid #e9f0f6;
  padding: 28px;
}
.side-title {
  display: flex;
  align-items: center;
  gap: 11px;
  font-size: 17px;
  color: var(--ky-deep);
  margin-bottom: 20px;
}
.side-title i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--ky-light);
  color: var(--ky-primary);
  font-size: 15px;
}
.side-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.side-list li a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 10px;
  border-radius: 10px;
  font-size: 14.5px;
  color: var(--ky-text);
  transition: var(--ky-transition);
}
.side-list li a i {
  font-size: 11px;
  color: #afc4d7;
  transition: var(--ky-transition);
}
.side-list li a:hover {
  background: var(--ky-bg-alt);
  color: var(--ky-primary-dark);
}
.side-list li a:hover i {
  color: var(--ky-primary);
  transform: translateX(3px);
}
.side-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}
.side-tags a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 14px;
  border-radius: var(--ky-radius-pill);
  background: var(--ky-bg-alt);
  border: 1px solid transparent;
  font-size: 13px;
  font-weight: 500;
  color: #3b5c73;
  transition: var(--ky-transition);
}
.side-tags a:hover {
  border-color: #b9d1e4;
  background: #fff;
  color: var(--ky-primary-dark);
}
.side-consult-card {
  position: relative;
  border-radius: var(--ky-radius-lg);
  overflow: hidden;
  background: var(--ky-deep);
  padding: 32px 28px;
  color: #fff;
  box-shadow: 0 22px 40px rgba(13, 47, 73, 0.24);
}
.side-consult-card .card-mark {
  position: absolute;
  right: 20px;
  top: 16px;
  color: rgba(255, 255, 255, 0.12);
  font-size: 64px;
}
.side-consult-card h3 {
  color: #fff;
  font-size: 20px;
  line-height: 1.5;
  margin-bottom: 10px;
  position: relative;
}
.side-consult-card p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 14.5px;
  margin-bottom: 22px;
  position: relative;
}
.side-consult-card .btn-ky-light {
  width: 100%;
  position: relative;
}

/* 服务保障条 */
.value-strip-section {
  padding: 78px 0;
  background: #fff;
}
.value-strip-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.value-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 24px;
  background: var(--ky-bg-soft);
  border-radius: var(--ky-radius-md);
  transition: var(--ky-transition);
}
.value-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--ky-shadow-card);
}
.value-item-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  flex: 0 0 46px;
  border-radius: 14px;
  background: #fff;
  color: var(--ky-primary);
  box-shadow: 0 6px 16px rgba(18, 63, 96, 0.07);
  font-size: 18px;
}
.value-item-text strong {
  display: block;
  font-size: 16px;
  font-weight: 700;
  color: var(--ky-deep);
  margin-bottom: 4px;
}
.value-item-text span {
  font-size: 13.5px;
  color: var(--ky-muted);
  line-height: 1.6;
}

/* FAQ 区 */
.faq-section {
  background: var(--ky-bg-alt);
}
.section-head-center {
  max-width: 760px;
  margin: 0 auto 48px;
  text-align: center;
}
.section-head-center .section-eye {
  justify-content: center;
}
.section-head-center .section-eye::before {
  display: none;
}
.section-head-center h2 {
  font-size: clamp(26px, 3vw, 38px);
  margin-top: 12px;
  color: var(--ky-deep);
}
.ky-accordion {
  display: grid;
  gap: 16px;
}
.ky-accordion .accordion-item {
  background: #fff;
  border: 1px solid #e6eef6;
  border-radius: 16px !important;
  overflow: hidden;
  box-shadow: 0 6px 18px rgba(18, 63, 96, 0.04);
  transition: var(--ky-transition);
}
.ky-accordion .accordion-item:hover {
  border-color: #c8dceb;
}
.ky-accordion .accordion-header {
  border: 0;
}
.ky-accordion .accordion-button {
  background: #fff;
  color: var(--ky-deep);
  box-shadow: none;
  padding: 22px 28px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
}
.ky-accordion .accordion-button:not(.collapsed) {
  background: #fbfdff;
  color: var(--ky-primary-dark);
  box-shadow: none;
}
.ky-accordion .accordion-button:focus {
  box-shadow: 0 0 0 4px rgba(46, 122, 181, 0.14);
}
.ky-accordion .accordion-button::after {
  background-image: none;
  content: "\f067";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  font-size: 14px;
  color: var(--ky-primary);
  width: auto;
  height: auto;
  margin-left: 16px;
  transition: transform 0.25s ease;
}
.ky-accordion .accordion-button:not(.collapsed)::after {
  transform: rotate(45deg);
}
.ky-accordion .accordion-body {
  padding: 2px 28px 25px;
  color: var(--ky-muted);
  font-size: 15.5px;
  line-height: 1.9;
}

/* CTA 收尾 */
.cta-deep-section {
  padding: 92px 0;
  background: var(--ky-deep);
  color: #fff;
}
.cta-deep-box {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}
.cta-deep-box h2 {
  color: #fff;
  font-size: clamp(26px, 3vw, 38px);
  margin-bottom: 16px;
}
.cta-deep-box p {
  color: rgba(255, 255, 255, 0.72);
  font-size: 16px;
  margin-bottom: 34px;
}

/* 页脚 */
.site-footer {
  background: #102e43;
  color: rgba(255, 255, 255, 0.72);
}
.footer-top {
  padding: 70px 0 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1.2fr 1.2fr;
  gap: 48px;
}
.footer-brand-name {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 18px;
}
.footer-brand-name .brand-badge {
  background: linear-gradient(135deg, #3c8fc9, #67b5e8);
}
.footer-desc {
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.58);
  margin-bottom: 20px;
}
.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 0;
}
.footer-contact-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
}
.footer-contact-list li i {
  color: var(--ky-accent);
  font-size: 13px;
}
.footer-h4 {
  color: #fff;
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 18px;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.68);
  transition: var(--ky-transition);
}
.footer-links a i {
  font-size: 10px;
  color: rgba(255, 255, 255, 0.25);
  transition: var(--ky-transition);
}
.footer-links a:hover {
  color: #fff;
}
.footer-links a:hover i {
  color: var(--ky-accent);
  transform: translateX(3px);
}
.footer-post-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-post-list a {
  display: block;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.68);
  line-height: 1.7;
}
.footer-post-list a:hover {
  color: #fff;
}
.footer-post-list span {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.5);
}
.footer-bottom {
  padding: 24px 0;
  background: #0b2637;
}
.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13.5px;
  color: rgba(255, 255, 255, 0.48);
}
.footer-bottom-inner a {
  color: rgba(255, 255, 255, 0.62);
}
.footer-bottom-inner a:hover {
  color: #fff;
}

/* 响应式 */
@media (max-width: 1199.98px) {
  .nav-link-custom {
    padding: 9px 12px;
  }
  .nav-cta-desktop {
    padding: 0 17px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 38px;
  }
  .value-strip-inner {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 991.98px) {
  .navbar-wrap nav,
  .nav-right .nav-cta-desktop {
    display: none;
  }
  .navbar-toggle {
    display: inline-flex;
  }
  .navbar-wrap {
    min-height: 70px;
  }
  .mobile-nav.show {
    max-height: 760px;
  }
  .cat-banner {
    padding: 48px 0 42px;
  }
  .cat-main-layout {
    padding: 68px 0;
  }
  .content-intro-card,
  .insight-block {
    padding: 30px;
  }
  .insight-card {
    flex-direction: column;
    align-items: flex-start;
  }
  .insight-thumb {
    width: 100%;
    min-width: 100%;
    aspect-ratio: 16/9;
  }
  .category-sidebar {
    position: static;
    margin-top: 28px;
  }
  .section-space {
    padding: 80px 0;
  }
}
@media (max-width: 767.98px) {
  .container {
    padding-right: 18px;
    padding-left: 18px;
  }
  .content-intro-card,
  .insight-block {
    padding: 24px;
    border-radius: 16px;
  }
  .key-action-card {
    padding: 22px 20px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .value-strip-inner {
    grid-template-columns: 1fr;
  }
  .cat-banner h1 {
    font-size: 28px;
  }
  .cat-lead {
    font-size: 15.5px;
  }
  .cat-banner-actions .btn-ky-primary,
  .cat-banner-actions .btn-ky-outline {
    width: 100%;
  }
  .cta-deep-section {
    padding: 68px 0;
  }
  .section-space-lg,
  .section-space {
    padding: 64px 0;
  }
  .fr3 {
    margin-top: 10px;
  }
  .footer-bottom-inner {
    flex-direction: column;
    text-align: center;
    justify-content: center;
  }
}
@media (max-width: 575.98px) {
  .insight-block-head h2,
  .content-intro-card h2 {
    font-size: 21px;
  }
  .brand-logo {
    font-size: 19px;
  }
  .brand-badge {
    width: 36px;
    height: 36px;
    border-radius: 11px;
    font-size: 16px;
  }
  .insight-card {
    gap: 18px;
  }
  .tag-mini {
    font-size: 12px;
  }
  .ky-accordion .accordion-button {
    padding: 18px 20px;
    font-size: 15px;
  }
  .ky-accordion .accordion-body {
    padding: 0 20px 20px;
    font-size: 15px;
  }
  .side-card {
    padding: 24px 20px;
  }
}