/* roulang page: index */
:root{
  --kb-primary:#0E6E62;
  --kb-primary-hover:#0B574E;
  --kb-primary-light:#E3F1EE;
  --kb-primary-dark:#0A4A42;
  --kb-accent:#F0A03C;
  --kb-accent-hover:#D98A28;
  --kb-terracotta:#E4663C;
  --kb-bg:#FBF8F2;
  --kb-bg-alt:#F1F5F2;
  --kb-deep:#10231F;
  --kb-text:#1A2422;
  --kb-text-2:#5A6763;
  --kb-text-3:#8A9490;
  --kb-border:rgba(16,35,31,.10);
  --kb-line:rgba(16,35,31,.08);
  --kb-r-sm:10px;
  --kb-r:14px;
  --kb-r-card:20px;
  --kb-r-lg:28px;
  --kb-r-pill:999px;
  --kb-shadow-sm:0 2px 8px rgba(16,35,31,.06);
  --kb-shadow-md:0 10px 28px rgba(16,35,31,.10);
  --kb-shadow-lg:0 24px 60px rgba(16,35,31,.14);
  --kb-glow:0 12px 30px rgba(14,110,98,.28);
  --kb-grad-a:linear-gradient(135deg,#0E6E62 0%,#159C86 55%,#7CC7A1 100%);
  --kb-grad-b:linear-gradient(120deg,#0E6E62 0%,#159C86 100%);
  --kb-grad-c:linear-gradient(120deg,#F0A03C 0%,#E4663C 100%);
  --kb-trans:220ms cubic-bezier(.2,.7,.3,1);
  --kb-font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;

  --bs-primary:#0E6E62;
  --bs-body-bg:#FBF8F2;
  --bs-body-color:#1A2422;
  --bs-border-radius:14px;
  --bs-link-color:#0E6E62;
  --bs-link-hover-color:#0B574E;
  --bs-font-sans-serif:var(--kb-font);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--kb-font);
  font-size:16.5px;
  line-height:1.8;
  color:var(--kb-text);
  background:var(--kb-bg);
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;}
a{color:var(--kb-primary);text-decoration:none;transition:color var(--kb-trans);}
a:hover{color:var(--kb-primary-hover);}
h1,h2,h3,h4{margin:0;color:var(--kb-text);font-weight:700;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--kb-primary);outline-offset:2px;}

.container{max-width:1200px;padding-left:20px;padding-right:20px;}
@media (min-width:1400px){.container{max-width:1320px;}}

/* ---------- 按钮体系 ---------- */
.kb-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15.5px;font-weight:600;line-height:1;
  padding:13px 22px;border-radius:var(--kb-r-pill);
  border:1px solid transparent;cursor:pointer;
  transition:transform var(--kb-trans),box-shadow var(--kb-trans),background var(--kb-trans),color var(--kb-trans),border-color var(--kb-trans);
  white-space:nowrap;
}
.kb-btn i{font-size:13px;transition:transform var(--kb-trans);}
.kb-btn-brand{background:var(--kb-grad-a);color:#fff;box-shadow:var(--kb-glow);min-width:132px;height:44px;}
.kb-btn-brand:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.06);}
.kb-btn-brand:hover i{transform:translateX(3px);}
.kb-btn-accent{background:var(--kb-grad-c);color:#fff;box-shadow:0 12px 30px rgba(228,102,60,.26);}
.kb-btn-accent:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.06);}
.kb-btn-outline{background:transparent;color:var(--kb-primary);border-color:rgba(14,110,98,.32);}
.kb-btn-outline:hover{background:var(--kb-primary-light);color:var(--kb-primary-dark);transform:translateY(-2px);}
.kb-btn-text{background:transparent;color:var(--kb-primary);padding:6px 0;font-weight:600;}
.kb-btn-text:hover{color:var(--kb-primary-dark);}
.kb-btn-text:hover i{transform:translateX(3px);}
.kb-btn-light{background:#fff;color:var(--kb-primary-dark);border-color:rgba(255,255,255,.6);}
.kb-btn-light:hover{background:#fff;color:var(--kb-primary);transform:translateY(-2px);}
.kb-btn-sm{padding:10px 16px;font-size:14.5px;height:auto;min-width:auto;}
.kb-btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.32);}
.kb-btn-ghost:hover{background:rgba(255,255,255,.2);color:#fff;transform:translateY(-2px);}

/* ---------- 标签 / 徽章 ---------- */
.kb-chip{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:600;line-height:1;
  padding:6px 12px;border-radius:var(--kb-r-pill);
  background:var(--kb-primary-light);color:var(--kb-primary-dark);
}
.kb-chip-accent{background:rgba(240,160,60,.16);color:#9A5F12;}
.kb-chip-clay{background:rgba(228,102,60,.14);color:#A84121;}
.kb-badge-data{
  display:inline-flex;flex-direction:column;gap:2px;
  background:var(--kb-deep);color:#fff;
  border-radius:24px;padding:14px 20px;
  box-shadow:var(--kb-shadow-lg);
}
.kb-badge-data.kb-badge-grad{background:var(--kb-grad-b);}
.kb-badge-num{font-size:26px;font-weight:800;line-height:1.1;letter-spacing:-.5px;}
.kb-badge-unit{font-size:14px;font-weight:700;margin-left:2px;}
.kb-badge-desc{font-size:12px;color:rgba(255,255,255,.78);line-height:1.5;font-weight:500;}

/* ---------- 头部导航 ---------- */
.kb-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(251,248,242,.94);
  border-bottom:1px solid var(--kb-line);
  transition:box-shadow var(--kb-trans),background var(--kb-trans);
}
.kb-header.kb-scrolled{box-shadow:var(--kb-shadow-md);}
.kb-nav-wrap{display:flex;align-items:center;gap:24px;height:76px;}
.kb-logo{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.kb-logo-mark{
  width:42px;height:42px;border-radius:13px;
  background:var(--kb-grad-a);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:18px;box-shadow:var(--kb-glow);flex-shrink:0;
}
.kb-logo-text{display:flex;flex-direction:column;line-height:1.15;}
.kb-logo-main{font-size:18px;font-weight:800;color:var(--kb-text);letter-spacing:-.3px;}
.kb-logo-sub{font-size:11.5px;color:var(--kb-text-3);font-weight:500;letter-spacing:.4px;}
.kb-nav{display:flex;align-items:center;gap:6px;margin-left:12px;}
.kb-nav-link{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:10px 14px;font-size:15px;font-weight:600;color:var(--kb-text-2);
  border-radius:var(--kb-r-sm);
}
.kb-nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--kb-grad-b);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform var(--kb-trans);
}
.kb-nav-link:hover{color:var(--kb-primary);}
.kb-nav-link:hover::after{transform:scaleX(1);}
.kb-nav-link.active{color:var(--kb-primary-dark);}
.kb-nav-link.active::after{transform:scaleX(1);}
.kb-nav-right{display:flex;align-items:center;gap:12px;margin-left:auto;}
.kb-dropdown{
  border:0;border-radius:var(--kb-r-card);box-shadow:var(--kb-shadow-md);
  padding:14px;background:#fff;margin-top:10px;min-width:280px;
}
.kb-dropdown-grid{display:grid;grid-template-columns:1fr 1fr;gap:4px;}
.kb-dropdown-link{
  display:block;padding:9px 12px;border-radius:var(--kb-r-sm);
  font-size:14px;color:var(--kb-text-2);font-weight:500;
}
.kb-dropdown-link:hover{background:var(--kb-primary-light);color:var(--kb-primary-dark);}
.kb-burger{
  margin-left:auto;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--kb-border);background:#fff;color:var(--kb-text);
  display:flex;align-items:center;justify-content:center;font-size:18px;
}
.kb-offcanvas{width:320px;background:var(--kb-bg);}
.kb-offcanvas .offcanvas-header{border-bottom:1px solid var(--kb-line);padding:18px 20px;}
.kb-offcanvas .offcanvas-body{display:flex;flex-direction:column;padding:20px;}
.kb-drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:15px 4px;font-size:16px;font-weight:600;color:var(--kb-text);
  border-bottom:1px solid var(--kb-line);
}
.kb-drawer-link.active{color:var(--kb-primary);}
.kb-drawer-cta{margin-top:auto;padding-top:24px;}
.kb-drawer-cta .kb-btn{width:100%;}

/* ---------- 移动底部条 ---------- */
.kb-mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;
  display:flex;align-items:center;gap:12px;
  padding:10px 16px;
  background:rgba(251,248,242,.97);
  border-top:1px solid var(--kb-line);
  box-shadow:0 -8px 24px rgba(16,35,31,.08);
}
.kb-mobile-bar-text{font-size:13px;color:var(--kb-text-2);font-weight:600;line-height:1.4;}
.kb-mobile-bar .kb-btn{margin-left:auto;}

/* ---------- 通用板块 ---------- */
.kb-section{padding:96px 0;}
.kb-section-alt{background:var(--kb-bg-alt);}
.kb-section-head{max-width:760px;margin-bottom:44px;}
.kb-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:1px;
  color:var(--kb-primary);text-transform:uppercase;margin-bottom:14px;
}
.kb-eyebrow::before{content:"";width:22px;height:2px;background:var(--kb-grad-b);border-radius:2px;}
h2.kb-h2{font-size:clamp(26px,3vw,38px);font-weight:700;line-height:1.3;letter-spacing:-.4px;}
.kb-lead{font-size:16.5px;color:var(--kb-text-2);margin-top:14px;line-height:1.85;}
.kb-section-title-row{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:36px;flex-wrap:wrap;
}

/* ---------- Hero ---------- */
.kb-hero{
  position:relative;overflow:hidden;
  padding:76px 0 84px;
  background:
    radial-gradient(circle at 88% 12%,rgba(124,199,161,.28),transparent 46%),
    radial-gradient(circle at 6% 88%,rgba(240,160,60,.16),transparent 42%),
    var(--kb-bg);
}
.kb-hero::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(135deg,rgba(16,35,31,.06) 0 1px,transparent 1px 9px);
  opacity:.5;pointer-events:none;
}
.kb-hero .container{position:relative;z-index:1;}
.kb-hero-title{
  font-size:clamp(34px,4.6vw,54px);
  font-weight:800;line-height:1.2;letter-spacing:-.5px;
}
.kb-hero-title .kb-mark{color:var(--kb-primary);}
.kb-hero-sub{
  font-size:17.5px;color:var(--kb-text-2);
  margin-top:20px;max-width:560px;line-height:1.85;
}
.kb-hero-cta{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap;}
.kb-hero-trust{display:flex;gap:26px;margin-top:34px;flex-wrap:wrap;}
.kb-trust-item{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--kb-text-2);font-weight:600;}
.kb-trust-item i{color:var(--kb-primary);font-size:15px;}
.kb-hero-visual{position:relative;padding:14px 0 22px;}
.kb-hero-photo{
  border-radius:var(--kb-r-lg);overflow:hidden;
  box-shadow:var(--kb-shadow-lg);border:1px solid rgba(255,255,255,.6);
  aspect-ratio:16/11;position:relative;
}
.kb-hero-photo img{width:100%;height:100%;object-fit:cover;}
.kb-hero-photo::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(140deg,rgba(14,110,98,.42),rgba(14,110,98,.06) 62%);
}
.kb-float-1{position:absolute;right:-6px;bottom:6px;}
.kb-float-2{position:absolute;left:-10px;top:0;}
.kb-hero-glow{
  position:absolute;width:280px;height:280px;border-radius:50%;
  background:var(--kb-grad-a);filter:blur(80px);opacity:.28;
  right:-40px;top:-30px;z-index:0;
}

/* ---------- 数据徽章横条 ---------- */
.kb-stats-band{
  border-top:1px solid var(--kb-line);border-bottom:1px solid var(--kb-line);
  background:#fff;padding:34px 0;
}
.kb-stat-cell{display:flex;flex-direction:column;gap:6px;padding:6px 4px;}
.kb-stat-num{font-size:clamp(26px,2.6vw,32px);font-weight:800;color:var(--kb-primary-dark);letter-spacing:-.5px;line-height:1.1;}
.kb-stat-num span{font-size:15px;font-weight:700;margin-left:2px;}
.kb-stat-label{font-size:13.5px;color:var(--kb-text-3);font-weight:500;}

/* ---------- 卡片 ---------- */
.kb-card{
  display:flex;flex-direction:column;height:100%;
  background:#fff;border:1px solid var(--kb-border);border-radius:var(--kb-r-card);
  box-shadow:var(--kb-shadow-sm);overflow:hidden;
  transition:transform var(--kb-trans),box-shadow var(--kb-trans),border-color var(--kb-trans);
}
a.kb-card{color:inherit;}
.kb-card:hover{transform:translateY(-4px);box-shadow:var(--kb-shadow-md);border-color:rgba(14,110,98,.22);}
.kb-card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--kb-bg-alt);}
.kb-card-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--kb-trans);}
.kb-card:hover .kb-card-media img{transform:scale(1.04);}
.kb-card-media::after{
  content:"";position:absolute;inset:0;
  box-shadow:inset 0 0 0 1px rgba(16,35,31,.08);border-radius:0;
}
.kb-card-tag{position:absolute;left:14px;top:14px;z-index:2;}
.kb-card-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.kb-card-title{font-size:19px;font-weight:600;line-height:1.5;}
.kb-card-desc{font-size:14.5px;color:var(--kb-text-2);line-height:1.75;}
.kb-card-tags{display:flex;flex-wrap:wrap;gap:8px;}
.kb-card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:6px;}
.kb-card-metric{font-size:13px;color:var(--kb-text-3);font-weight:600;}
.kb-card-metric b{color:var(--kb-accent-hover);font-size:15px;}

/* 大卡 */
.kb-card-feature{border-radius:var(--kb-r-lg);}
.kb-card-feature .kb-card-media{aspect-ratio:16/9;}
.kb-card-feature .kb-card-body{padding:28px 30px 30px;gap:16px;}
.kb-card-feature .kb-card-title{font-size:25px;line-height:1.4;}
.kb-point-list{display:flex;flex-direction:column;gap:10px;}
.kb-point-list li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:var(--kb-text-2);line-height:1.7;}
.kb-point-list i{color:var(--kb-primary);font-size:13px;margin-top:6px;}

/* 竖版小卡 */
.kb-card-mini .kb-card-media{aspect-ratio:4/5;}
.kb-card-mini .kb-card-body{padding:18px 18px 20px;gap:9px;}
.kb-card-mini .kb-card-title{font-size:16.5px;}

/* 横向滚动（移动端第一行小卡） */
@media (max-width:767.98px){
  .kb-mini-scroller{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:8px;margin:0 -20px;padding-left:20px;padding-right:20px;}
  .kb-mini-scroller > *{flex:0 0 78%;scroll-snap-align:start;}
}

/* ---------- 最新动态 ---------- */
.kb-latest .kb-card{height:100%;}
.kb-latest-card .kb-card-media{aspect-ratio:16/10;}
.kb-post-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--kb-text-3);font-weight:500;}
.kb-post-meta i{margin-right:5px;}
.kb-empty{
  border:1.5px dashed rgba(16,35,31,.18);border-radius:var(--kb-r-card);
  padding:56px 28px;text-align:center;background:rgba(255,255,255,.6);
}
.kb-empty i{font-size:30px;color:var(--kb-primary);opacity:.7;}
.kb-empty p{margin:16px 0 20px;font-size:15px;color:var(--kb-text-2);}

/* ---------- 评价轮播 ---------- */
.kb-quote-card{
  background:#fff;border:1px solid var(--kb-border);border-radius:var(--kb-r-card);
  padding:26px;height:100%;box-shadow:var(--kb-shadow-sm);
  display:flex;flex-direction:column;gap:16px;
}
.kb-quote-head{display:flex;align-items:center;gap:12px;}
.kb-avatar{
  width:44px;height:44px;border-radius:50%;flex-shrink:0;
  background:var(--kb-grad-a);color:#fff;font-weight:700;font-size:16px;
  display:flex;align-items:center;justify-content:center;
}
.kb-quote-name{font-size:15px;font-weight:700;}
.kb-quote-role{font-size:12.5px;color:var(--kb-text-3);}
.kb-stars{color:var(--kb-accent);font-size:13px;letter-spacing:2px;}
.kb-quote-text{font-size:15px;color:var(--kb-text-2);line-height:1.8;}
.kb-carousel .carousel-control-prev,.kb-carousel .carousel-control-next{
  width:44px;height:44px;border-radius:50%;border:1px solid rgba(14,110,98,.3);
  background:#fff;color:var(--kb-primary);opacity:1;top:50%;transform:translateY(-50%);
  transition:background var(--kb-trans),transform var(--kb-trans);
}
.kb-carousel .carousel-control-prev{left:-8px;}
.kb-carousel .carousel-control-next{right:-8px;}
.kb-carousel .carousel-control-prev:hover,.kb-carousel .carousel-control-next:hover{background:var(--kb-primary-light);}
.kb-carousel .carousel-indicators{position:static;margin:28px 0 0;gap:8px;}
.kb-carousel .carousel-indicators [data-bs-target]{
  width:34px;height:5px;border-radius:999px;background:rgba(16,35,31,.16);
  border:0;opacity:1;transition:background var(--kb-trans),width var(--kb-trans);
}
.kb-carousel .carousel-indicators .active{background:var(--kb-grad-b);width:52px;}
@media (max-width:991.98px){
  .kb-carousel .carousel-control-prev,.kb-carousel .carousel-control-next{display:none;}
}

/* ---------- 流程 ---------- */
.kb-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;position:relative;}
.kb-step{
  background:#fff;border:1px solid var(--kb-border);border-radius:var(--kb-r-card);
  padding:28px 26px;box-shadow:var(--kb-shadow-sm);position:relative;
  transition:transform var(--kb-trans),box-shadow var(--kb-trans);
}
.kb-step:hover{transform:translateY(-4px);box-shadow:var(--kb-shadow-md);}
.kb-step-num{
  width:38px;height:38px;border-radius:12px;background:var(--kb-grad-b);color:#fff;
  font-weight:800;font-size:16px;display:flex;align-items:center;justify-content:center;
  margin-bottom:18px;box-shadow:var(--kb-glow);
}
.kb-step h3{font-size:18.5px;font-weight:600;margin-bottom:10px;}
.kb-step p{font-size:14.5px;color:var(--kb-text-2);}

/* ---------- 保障条 ---------- */
.kb-guarantee-band{
  background:var(--kb-bg-alt);
  border-top:1px solid var(--kb-line);border-bottom:1px solid var(--kb-line);
  padding:56px 0;
}
.kb-guarantee{display:flex;gap:16px;align-items:flex-start;}
.kb-guarantee-icon{
  width:46px;height:46px;border-radius:50%;flex-shrink:0;
  background:#fff;color:var(--kb-primary);border:1px solid rgba(14,110,98,.18);
  display:flex;align-items:center;justify-content:center;font-size:18px;
  box-shadow:var(--kb-shadow-sm);
}
.kb-guarantee h3{font-size:16px;font-weight:700;margin-bottom:6px;}
.kb-guarantee p{font-size:13.5px;color:var(--kb-text-2);line-height:1.7;}

/* ---------- FAQ ---------- */
.kb-faq .accordion-item{
  border:1px solid var(--kb-border);border-radius:var(--kb-r-card)!important;
  margin-bottom:12px;overflow:hidden;background:#fff;box-shadow:var(--kb-shadow-sm);
}
.kb-faq .accordion-button{
  background:#fff;font-size:17px;font-weight:600;color:var(--kb-text);
  padding:22px 24px 22px 28px;box-shadow:none;position:relative;gap:12px;
}
.kb-faq .accordion-button::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:4px;
  background:var(--kb-grad-b);border-radius:0 4px 4px 0;
}
.kb-faq .accordion-button:not(.collapsed){color:var(--kb-primary-dark);background:#fff;}
.kb-faq .accordion-button:focus{box-shadow:none;}
.kb-faq .accordion-button::after{
  background-image:none;content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:14px;color:var(--kb-primary);transition:transform var(--kb-trans);
  width:auto;height:auto;transform:none;
}
.kb-faq .accordion-button:not(.collapsed)::after{transform:rotate(180deg);}
.kb-faq .accordion-body{padding:0 28px 24px;font-size:15.5px;color:var(--kb-text-2);line-height:1.85;border-top:1px solid var(--kb-line);padding-top:18px;}

/* ---------- CTA 面板 ---------- */
.kb-cta-panel{
  position:relative;overflow:hidden;
  background:var(--kb-deep);border-radius:var(--kb-r-lg);
  padding:52px 48px;color:#fff;
  box-shadow:var(--kb-shadow-lg);
}
.kb-cta-panel::after{
  content:"";position:absolute;width:420px;height:420px;border-radius:50%;
  background:var(--kb-grad-b);filter:blur(90px);opacity:.42;
  right:-120px;top:-140px;
}
.kb-cta-panel .row{position:relative;z-index:1;}
.kb-cta-panel h2{color:#fff;font-size:clamp(24px,2.6vw,34px);line-height:1.35;}
.kb-cta-panel p{color:rgba(255,255,255,.76);font-size:15.5px;margin-top:14px;}
.kb-form-label{display:block;font-size:13px;color:rgba(255,255,255,.7);margin-bottom:8px;font-weight:600;}
.kb-required{color:var(--kb-accent);}
.kb-form-control{
  width:100%;height:52px;border-radius:var(--kb-r);
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);color:#fff;
  padding:0 18px;font-size:15px;
  box-shadow:inset 0 1px 3px rgba(0,0,0,.18);
  transition:border-color var(--kb-trans),box-shadow var(--kb-trans),background var(--kb-trans);
}
.kb-form-control::placeholder{color:rgba(255,255,255,.45);}
.kb-form-control:focus{
  outline:none;border-color:#7CC7A1;background:rgba(255,255,255,.1);
  box-shadow:0 0 0 4px rgba(124,199,161,.22);
}
.kb-form-note{font-size:12px;color:rgba(255,255,255,.6);margin-top:12px;line-height:1.6;}

/* ---------- 页脚 ---------- */
.kb-footer{background:var(--kb-deep);color:rgba(255,255,255,.76);position:relative;padding-top:64px;}
.kb-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--kb-grad-a);
}
.kb-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;letter-spacing:.3px;}
.kb-footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.kb-footer-brand .kb-logo-mark{box-shadow:none;}
.kb-footer-brand-text{font-size:18px;font-weight:800;color:#fff;letter-spacing:-.3px;}
.kb-footer p.kb-footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);}
.kb-footer-contact{margin-top:18px;display:flex;flex-direction:column;gap:8px;font-size:14px;}
.kb-footer-contact span{display:flex;align-items:center;gap:10px;color:rgba(255,255,255,.72);}
.kb-footer-contact i{color:#7CC7A1;font-size:13px;width:16px;}
.kb-footer-links{display:flex;flex-direction:column;gap:11px;}
.kb-footer-links a{color:rgba(255,255,255,.72);font-size:14px;}
.kb-footer-links a:hover{color:#fff;}
.kb-footer-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0 26px;font-size:13px;color:rgba(255,255,255,.52);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .kb-nav-link{padding:10px 10px;font-size:14.5px;}
}
@media (max-width:991.98px){
  .kb-section{padding:64px 0;}
  .kb-hero{padding:52px 0 60px;}
  .kb-hero-cta{margin-top:26px;}
  .kb-hero-visual{margin-top:40px;}
  .kb-steps{grid-template-columns:1fr;}
  .kb-cta-panel{padding:40px 26px;}
  .kb-float-1{right:8px;bottom:-8px;}
  .kb-float-2{left:8px;top:-8px;}
}
@media (max-width:767.98px){
  .kb-section{padding:56px 0;}
  .kb-hero-trust{gap:16px;}
  .kb-hero-cta .kb-btn{width:100%;}
  .kb-hero-sub{font-size:16px;}
  .kb-card-feature .kb-card-body{padding:22px 20px 24px;}
  .kb-card-feature .kb-card-title{font-size:21px;}
  .kb-guarantee-band{padding:44px 0;}
  .kb-quote-card{padding:22px;}
  .kb-mobile-bar + *{}
  body{padding-bottom:72px;}
  .kb-badge-data{padding:11px 16px;border-radius:20px;}
  .kb-badge-num{font-size:22px;}
}
@media (max-width:575.98px){
  .kb-hero-title{font-size:32px;}
  h2.kb-h2{font-size:26px;}
  .kb-cta-panel{padding:32px 20px;}
  .kb-footer-bottom{flex-direction:column;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;}
  .kb-card:hover,.kb-btn:hover{transform:none!important;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --kb-primary:#0E6E62;
  --kb-primary-hover:#0B574E;
  --kb-primary-light:#E3F1EE;
  --kb-primary-dark:#0A4A42;
  --kb-accent:#F0A03C;
  --kb-accent-hover:#D98A28;
  --kb-terracotta:#E4663C;
  --kb-bg:#FBF8F2;
  --kb-bg-alt:#F1F5F2;
  --kb-dark:#10231F;
  --kb-ink:#1A2422;
  --kb-ink-2:#5A6763;
  --kb-ink-3:#8A9490;
  --kb-line:rgba(16,35,31,.10);
  --kb-line-soft:rgba(16,35,31,.08);
  --kb-grad-a:linear-gradient(135deg,#0E6E62 0%,#159C86 52%,#7CC7A1 100%);
  --kb-grad-b:linear-gradient(120deg,#0E6E62 0%,#159C86 100%);
  --kb-grad-c:linear-gradient(120deg,#F0A03C 0%,#E4663C 100%);
  --kb-r-sm:10px;
  --kb-r:14px;
  --kb-r-card:20px;
  --kb-r-lg:28px;
  --kb-sh-sm:0 2px 8px rgba(16,35,31,.06);
  --kb-sh-md:0 10px 28px rgba(16,35,31,.10);
  --kb-sh-lg:0 24px 60px rgba(16,35,31,.14);
  --kb-glow:0 12px 30px rgba(14,110,98,.28);
  --kb-ease:cubic-bezier(.2,.7,.3,1);

  --bs-primary:#0E6E62;
  --bs-body-bg:#FBF8F2;
  --bs-body-color:#1A2422;
  --bs-border-color:rgba(16,35,31,.10);
  --bs-border-radius:14px;
  --bs-link-color:#0E6E62;
  --bs-link-hover-color:#0B574E;
  --bs-font-sans-serif:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--kb-bg);
  color:var(--kb-ink);
  font-family:var(--bs-font-sans-serif);
  font-size:16.5px;
  line-height:1.8;
  letter-spacing:.1px;
}
img{max-width:100%;display:block;}
a{color:var(--kb-primary);text-decoration:none;transition:color 220ms var(--kb-ease);}
a:hover{color:var(--kb-primary-hover);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--kb-ink);}
p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--kb-primary);outline-offset:2px;border-radius:6px;}
.kb-container,.container{max-width:1200px;padding-left:20px;padding-right:20px;}
@media (min-width:1400px){.kb-container,.container{max-width:1320px;}}
.kb-num{font-variant-numeric:tabular-nums;}

/* ---------- 顶部导航 ---------- */
.kb-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(251,248,242,.94);
  border-bottom:1px solid var(--kb-line-soft);
  transition:box-shadow 220ms var(--kb-ease),background 220ms var(--kb-ease);
}
.kb-header.is-stuck{box-shadow:var(--kb-sh-md);background:rgba(251,248,242,.98);}
.kb-header-inner{
  display:flex;align-items:center;gap:28px;
  min-height:76px;
}
.kb-logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.kb-logo-mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--kb-grad-b);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:16px;
  box-shadow:var(--kb-glow);
}
.kb-logo-text{font-size:19px;font-weight:800;color:var(--kb-ink);letter-spacing:-.3px;}
.kb-nav{display:flex;align-items:center;gap:6px;margin-left:12px;}
.kb-nav-link{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:10px 14px;border-radius:10px;
  font-size:15.5px;font-weight:600;color:var(--kb-ink-2);
  transition:color 220ms var(--kb-ease),background 220ms var(--kb-ease);
}
.kb-nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--kb-grad-b);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform 220ms var(--kb-ease);
}
.kb-nav-link:hover{color:var(--kb-primary);background:var(--kb-primary-light);}
.kb-nav-link:hover::after,.kb-nav-link.active::after{transform:scaleX(1);}
.kb-nav-link.active{color:var(--kb-primary-dark);}
.kb-header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.kb-dropdown{
  border:1px solid var(--kb-line);
  border-radius:var(--kb-r-card);
  box-shadow:var(--kb-sh-md);
  background:#fff;padding:14px;margin-top:10px;
}
.kb-dropdown-grid{display:grid;grid-template-columns:1fr 1fr;gap:4px 10px;min-width:340px;}
.kb-dropdown-link{
  display:block;padding:9px 12px;border-radius:var(--kb-r-sm);
  font-size:14.5px;color:var(--kb-ink-2);font-weight:500;
}
.kb-dropdown-link:hover{background:var(--kb-bg-alt);color:var(--kb-primary);}
.kb-burger{
  margin-left:auto;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--kb-line);background:#fff;color:var(--kb-ink);
  display:inline-flex;align-items:center;justify-content:center;font-size:18px;
}
.kb-burger:hover{color:var(--kb-primary);border-color:var(--kb-primary);}

/* ---------- 按钮 ---------- */
.kb-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:0 22px;height:48px;border-radius:999px;
  font-size:15.5px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform 220ms var(--kb-ease),box-shadow 220ms var(--kb-ease),background 220ms var(--kb-ease),color 220ms var(--kb-ease),border-color 220ms var(--kb-ease);
}
.kb-btn i.tip{transition:transform 220ms var(--kb-ease);}
.kb-btn:hover i.tip{transform:translateX(3px);}
.kb-btn-brand{background:var(--kb-grad-b);color:#fff;box-shadow:var(--kb-glow);}
.kb-btn-brand:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.06);}
.kb-btn-accent{background:var(--kb-grad-c);color:#fff;box-shadow:0 12px 30px rgba(228,102,60,.26);}
.kb-btn-accent:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.06);}
.kb-btn-outline{background:#fff;color:var(--kb-primary-dark);border-color:rgba(14,110,98,.28);}
.kb-btn-outline:hover{border-color:var(--kb-primary);background:var(--kb-primary-light);color:var(--kb-primary-dark);transform:translateY(-2px);}
.kb-btn-sm{height:44px;padding:0 20px;font-size:15px;min-width:132px;}
.kb-btn-block{width:100%;}
.kb-btn-text{
  display:inline-flex;align-items:center;gap:6px;background:none;border:0;padding:0;
  color:var(--kb-primary);font-weight:600;font-size:15px;
}
.kb-btn-text:hover{color:var(--kb-primary-hover);}
.kb-btn-text i{transition:transform 220ms var(--kb-ease);}
.kb-btn-text:hover i{transform:translateX(3px);}

/* ---------- 面包屑 ---------- */
.kb-crumb-bar{padding:26px 0 8px;}
.kb-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--kb-ink-3);}
.kb-crumb li{display:inline-flex;align-items:center;gap:8px;}
.kb-crumb li+li::before{content:"/";color:rgba(16,35,31,.24);}
.kb-crumb a{color:var(--kb-ink-2);}
.kb-crumb a:hover{color:var(--kb-primary);}
.kb-crumb .is-current{color:var(--kb-ink);font-weight:600;}

/* ---------- 文章头 ---------- */
.kb-article-head{padding:14px 0 34px;}
.kb-article-head-inner{max-width:860px;}
.kb-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;
  background:var(--kb-primary-light);color:var(--kb-primary-dark);
  font-size:13px;font-weight:600;
}
.kb-pill-accent{background:rgba(240,160,60,.16);color:#9A5F10;}
.kb-article-title{
  margin:18px 0 0;
  font-size:clamp(30px,4vw,44px);
  font-weight:800;line-height:1.26;letter-spacing:-.5px;
}
.kb-article-meta{
  display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:20px;
  font-size:14px;color:var(--kb-ink-3);
}
.kb-article-meta span{display:inline-flex;align-items:center;gap:7px;}
.kb-article-meta i{color:var(--kb-primary);}

/* ---------- 封面 ---------- */
.kb-cover{
  position:relative;border-radius:24px;overflow:hidden;
  border:1px solid var(--kb-line);box-shadow:var(--kb-sh-md);
  aspect-ratio:21/9;background:var(--kb-bg-alt);
}
.kb-cover img{width:100%;height:100%;object-fit:cover;}
.kb-cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,110,98,.10) 0%,rgba(16,35,31,.34) 100%);
}
.kb-cover-cap{
  position:absolute;left:22px;bottom:18px;z-index:2;
  color:#fff;font-size:13.5px;letter-spacing:.4px;text-shadow:0 2px 10px rgba(0,0,0,.35);
}

/* ---------- 正文区 ---------- */
.kb-article-section{padding:52px 0 80px;}
.kb-article-grid{
  display:grid;grid-template-columns:minmax(0,760px) 320px;
  gap:56px;justify-content:center;align-items:start;
}
.kb-article-body{font-size:17px;line-height:1.9;color:#22302C;}
.kb-article-body > *+*{margin-top:1.5em;}
.kb-article-body p{margin:0;}
.kb-article-body h2{
  position:relative;margin:44px 0 16px;padding-left:16px;
  font-size:clamp(22px,2.4vw,28px);font-weight:700;line-height:1.4;
}
.kb-article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;
  background:var(--kb-grad-b);
}
.kb-article-body h3{margin:32px 0 12px;font-size:22px;font-weight:700;}
.kb-article-body h4{margin:26px 0 10px;font-size:18.5px;font-weight:600;}
.kb-article-body ul,.kb-article-body ol{padding-left:2px;margin:0;}
.kb-article-body li{position:relative;padding-left:22px;line-height:1.85;}
.kb-article-body li+li{margin-top:8px;}
.kb-article-body ul>li::before{
  content:"";position:absolute;left:2px;top:.72em;width:8px;height:8px;border-radius:2px;
  background:var(--kb-primary);transform:translateY(-50%);
}
.kb-article-body ol{counter-reset:kb-li;}
.kb-article-body ol>li{counter-increment:kb-li;}
.kb-article-body ol>li::before{
  content:counter(kb-li)".";
  position:absolute;left:0;top:0;color:var(--kb-primary);font-weight:700;
}
.kb-article-body blockquote{
  background:var(--kb-bg-alt);
  border-left:4px solid var(--kb-primary);
  border-radius:0 var(--kb-r) var(--kb-r) 0;
  padding:20px 22px;color:#33413D;
}
.kb-article-body blockquote p{font-size:16.5px;}
.kb-article-body img{border-radius:16px;margin:8px auto;box-shadow:var(--kb-sh-sm);}
.kb-article-body figure{margin:0;}
.kb-article-body figcaption{margin-top:12px;text-align:center;font-size:13.5px;color:var(--kb-ink-3);}
.kb-article-body table{
  width:100%;border-collapse:separate;border-spacing:0;overflow:hidden;
  border:1px solid var(--kb-line);border-radius:var(--kb-r-card);
  font-size:15.5px;background:#fff;
}
.kb-article-body th,.kb-article-body td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--kb-line-soft);}
.kb-article-body th{background:var(--kb-bg-alt);font-weight:700;}
.kb-article-body tr:last-child td{border-bottom:0;}
.kb-table-wrap{overflow-x:auto;border-radius:var(--kb-r-card);}
.kb-article-body pre{
  background:#0F2A25;color:#DCEFE9;border-radius:var(--kb-r);padding:18px;
  font-size:14px;line-height:1.7;overflow-x:auto;
}
.kb-article-body code{
  font-family:"SFMono-Regular",Consolas,Menlo,monospace;
  font-size:.92em;background:rgba(14,110,98,.10);color:#0A4A42;
  padding:2px 6px;border-radius:6px;
}
.kb-article-body pre code{background:none;color:inherit;padding:0;}

/* ---------- 空态 ---------- */
.kb-empty{
  border:1px dashed rgba(16,35,31,.22);border-radius:var(--kb-r-lg);
  background:#fff;padding:52px 28px;text-align:center;
}
.kb-empty i{font-size:30px;color:var(--kb-primary);}
.kb-empty h2{margin:16px 0 8px;font-size:22px;}
.kb-empty p{color:var(--kb-ink-2);font-size:15.5px;}
.kb-empty .kb-btn{margin-top:20px;}

/* ---------- 侧栏 ---------- */
.kb-side{position:sticky;top:104px;display:grid;gap:20px;}
.kb-side-card{
  background:#fff;border:1px solid var(--kb-line);border-radius:var(--kb-r-card);
  padding:22px;box-shadow:var(--kb-sh-sm);
}
.kb-side-card h3{font-size:17px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.kb-side-card h3 i{color:var(--kb-primary);font-size:15px;}
.kb-side-list li{display:flex;gap:10px;font-size:14.5px;color:var(--kb-ink-2);line-height:1.7;}
.kb-side-list li+li{margin-top:11px;}
.kb-side-list i{color:var(--kb-primary);margin-top:5px;font-size:13px;}
.kb-side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 14px;border-radius:var(--kb-r-sm);
  background:var(--kb-bg-alt);font-size:14.5px;font-weight:600;color:var(--kb-ink);
  transition:background 220ms var(--kb-ease),color 220ms var(--kb-ease),transform 220ms var(--kb-ease);
}
.kb-side-links a+a{margin-top:10px;}
.kb-side-links a i{color:var(--kb-primary);font-size:12px;}
.kb-side-links a:hover{background:var(--kb-primary-light);color:var(--kb-primary-dark);transform:translateY(-2px);}
.kb-side-contact{font-size:14px;color:var(--kb-ink-2);line-height:1.8;}
.kb-side-contact b{color:var(--kb-ink);font-weight:600;}

/* ---------- 标签 ---------- */
.kb-tag-row{padding:0 0 34px;}
.kb-tag-row-inner{display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.kb-tag-row-label{font-size:14px;color:var(--kb-ink-3);margin-right:4px;}
.kb-chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 14px;border-radius:999px;
  background:#fff;border:1px solid var(--kb-line);
  font-size:13.5px;color:var(--kb-ink-2);font-weight:500;
  transition:border-color 220ms var(--kb-ease),color 220ms var(--kb-ease),transform 220ms var(--kb-ease);
}
.kb-chip:hover{border-color:var(--kb-primary);color:var(--kb-primary);transform:translateY(-2px);}

/* ---------- 上下篇 ---------- */
.kb-postnav{padding:0 0 56px;}
.kb-postnav-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.kb-postnav-card{
  display:block;background:#fff;border:1px solid var(--kb-line);border-radius:var(--kb-r-card);
  padding:22px 24px;box-shadow:var(--kb-sh-sm);
  transition:transform 220ms var(--kb-ease),box-shadow 220ms var(--kb-ease),border-color 220ms var(--kb-ease);
}
.kb-postnav-card:hover{transform:translateY(-4px);box-shadow:var(--kb-sh-md);border-color:rgba(14,110,98,.3);}
.kb-postnav-label{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:var(--kb-ink-3);}
.kb-postnav-label i{color:var(--kb-primary);}
.kb-postnav-title{display:block;margin-top:10px;font-size:17px;font-weight:700;color:var(--kb-ink);line-height:1.55;}
.kb-postnav-card:hover .kb-postnav-title{color:var(--kb-primary-dark);}

/* ---------- 相关推荐 ---------- */
.kb-related{padding:0 0 72px;}
.kb-section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:32px;
}
.kb-section-head h2{font-size:clamp(24px,2.8vw,32px);font-weight:700;line-height:1.3;}
.kb-section-head p{margin-top:10px;color:var(--kb-ink-2);font-size:15.5px;}
.kb-card{
  height:100%;background:#fff;border:1px solid var(--kb-line);border-radius:var(--kb-r-card);
  box-shadow:var(--kb-sh-sm);overflow:hidden;display:flex;flex-direction:column;
  transition:transform 220ms var(--kb-ease),box-shadow 220ms var(--kb-ease),border-color 220ms var(--kb-ease);
}
.kb-card:hover{transform:translateY(-4px);box-shadow:var(--kb-sh-md);border-color:rgba(14,110,98,.24);}
.kb-card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--kb-bg-alt);}
.kb-card-media img{width:100%;height:100%;object-fit:cover;transition:transform 220ms var(--kb-ease);}
.kb-card:hover .kb-card-media img{transform:scale(1.04);}
.kb-card-badge{
  position:absolute;left:14px;top:14px;z-index:2;
  padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:600;color:#fff;
  background:var(--kb-grad-c);box-shadow:0 8px 18px rgba(228,102,60,.28);
}
.kb-card-badge.is-brand{background:var(--kb-grad-b);box-shadow:var(--kb-glow);}
.kb-card-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1 1 auto;}
.kb-card-title{font-size:18.5px;font-weight:600;line-height:1.5;}
.kb-card-desc{margin-top:10px;font-size:14.5px;color:var(--kb-ink-2);line-height:1.75;}
.kb-card-foot{margin-top:auto;padding-top:18px;display:flex;align-items:center;justify-content:space-between;gap:12px;}
.kb-card-meta{font-size:13px;color:var(--kb-ink-3);}

/* ---------- CTA 面板 ---------- */
.kb-cta-band{padding:0 0 88px;}
.kb-cta-panel{
  position:relative;overflow:hidden;
  background:var(--kb-dark);border-radius:var(--kb-r-lg);
  padding:52px 48px;color:#fff;
  display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;
  box-shadow:var(--kb-sh-lg);
}
.kb-cta-panel::before{
  content:"";position:absolute;right:-80px;top:-100px;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle,rgba(21,156,134,.55) 0%,rgba(21,156,134,0) 68%);
}
.kb-cta-panel::after{
  content:"";position:absolute;left:-60px;bottom:-120px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(240,160,60,.28) 0%,rgba(240,160,60,0) 70%);
}
.kb-cta-panel > *{position:relative;z-index:2;}
.kb-cta-panel h2{color:#fff;font-size:clamp(24px,3vw,34px);line-height:1.3;}
.kb-cta-panel p{margin-top:14px;color:rgba(255,255,255,.78);font-size:15.5px;line-height:1.8;}
.kb-cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;}
.kb-cta-actions .kb-btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.36);}
.kb-cta-actions .kb-btn-outline:hover{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.6);}

/* ---------- 页脚 ---------- */
.kb-footer{
  position:relative;background:var(--kb-dark);color:#fff;
  padding:72px 0 26px;margin-top:0;
}
.kb-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:var(--kb-grad-a);
}
.kb-footer h4{color:#fff;font-size:15.5px;font-weight:700;margin-bottom:18px;}
.kb-footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.kb-footer-brand-text{font-size:19px;font-weight:800;color:#fff;letter-spacing:-.3px;}
.kb-footer-desc{color:rgba(255,255,255,.72);font-size:14.5px;line-height:1.8;max-width:340px;}
.kb-footer-contact{display:grid;gap:8px;margin-top:20px;font-size:14px;color:rgba(255,255,255,.74);}
.kb-footer-contact i{color:var(--kb-accent);margin-right:8px;}
.kb-footer-links{display:grid;gap:11px;}
.kb-footer-links a{color:rgba(255,255,255,.72);font-size:14.5px;transition:color 220ms var(--kb-ease),padding-left 220ms var(--kb-ease);}
.kb-footer-links a:hover{color:#fff;padding-left:4px;}
.kb-footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13.5px;color:rgba(255,255,255,.6);
}

/* ---------- 移动端抽屉 ---------- */
.kb-drawer{background:var(--kb-bg);width:min(88vw,360px);}
.kb-drawer-head{display:flex;align-items:center;justify-content:space-between;padding:20px 22px;border-bottom:1px solid var(--kb-line-soft);}
.kb-drawer-body{padding:18px 22px 110px;display:grid;gap:6px;}
.kb-drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:15px 16px;border-radius:var(--kb-r);background:#fff;
  border:1px solid var(--kb-line-soft);font-size:16px;font-weight:600;color:var(--kb-ink);
}
.kb-drawer-link.active{background:var(--kb-primary-light);color:var(--kb-primary-dark);border-color:rgba(14,110,98,.2);}
.kb-drawer-link i{color:var(--kb-primary);font-size:13px;}
.kb-drawer-sub{padding:4px 16px 6px;display:grid;gap:9px;}
.kb-drawer-sub a{font-size:14.5px;color:var(--kb-ink-2);}
.kb-drawer-foot{
  position:absolute;left:0;right:0;bottom:0;padding:16px 22px 22px;
  background:linear-gradient(180deg,rgba(251,248,242,0) 0%,#FBF8F2 32%);
  border-top:1px solid var(--kb-line-soft);
}
.kb-sticky-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:1025;display:none;
  align-items:center;gap:14px;padding:12px 16px;
  background:rgba(251,248,242,.97);border-top:1px solid var(--kb-line);box-shadow:0 -8px 24px rgba(16,35,31,.08);
}
.kb-sticky-bar .kb-sticky-note{font-size:13px;color:var(--kb-ink-2);line-height:1.5;}
.kb-sticky-bar .kb-sticky-note b{display:block;color:var(--kb-ink);font-size:14px;}
.kb-sticky-bar .kb-btn{flex:0 0 auto;}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .kb-article-grid{grid-template-columns:minmax(0,1fr) 300px;gap:40px;}
}
@media (max-width:991.98px){
  .kb-header-inner{min-height:68px;}
  .kb-article-grid{grid-template-columns:minmax(0,1fr);gap:36px;}
  .kb-side{position:static;}
  .kb-article-section{padding:40px 0 64px;}
  .kb-cta-panel{grid-template-columns:1fr;padding:38px 28px;}
  .kb-cta-actions{justify-content:flex-start;}
  .kb-sticky-bar{display:flex;}
  body{padding-bottom:76px;}
  .kb-postnav-grid{grid-template-columns:1fr;}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .kb-article-body{font-size:16.5px;}
  .kb-cover{border-radius:18px;aspect-ratio:16/10;}
  .kb-article-head{padding:8px 0 26px;}
  .kb-article-title{font-size:clamp(30px,7vw,34px);}
  .kb-section-head{flex-direction:column;align-items:flex-start;gap:14px;}
  .kb-footer{padding:56px 0 24px;}
  .kb-footer-bottom{margin-top:38px;}
}
@media (max-width:575.98px){
  .kb-container,.container{padding-left:16px;padding-right:16px;}
  .kb-cta-panel{padding:32px 20px;border-radius:22px;}
  .kb-cta-actions .kb-btn{width:100%;}
  .kb-btn{height:46px;}
  .kb-postnav-card{padding:18px;}
  .kb-card-body{padding:18px 18px 20px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;}
  .kb-card:hover,.kb-btn:hover,.kb-postnav-card:hover{transform:none!important;}
  .kb-card:hover .kb-card-media img{transform:none!important;}
}

/* roulang page: category2 */
:root{
  --kb-primary:#0E6E62;
  --kb-primary-hover:#0B574E;
  --kb-primary-soft:#E3F1EE;
  --kb-primary-deep:#0A4A42;
  --kb-accent:#F0A03C;
  --kb-accent-hover:#D98A28;
  --kb-terra:#E4663C;
  --kb-bg:#FBF8F2;
  --kb-bg-mist:#F1F5F2;
  --kb-dark:#10231F;
  --kb-text:#1A2422;
  --kb-text-2:#5A6763;
  --kb-text-3:#8A9490;
  --kb-border:rgba(16,35,31,.10);
  --kb-line:rgba(16,35,31,.08);
  --kb-r-sm:10px;
  --kb-r:14px;
  --kb-r-card:20px;
  --kb-r-lg:28px;
  --kb-sh-sm:0 2px 8px rgba(16,35,31,.06);
  --kb-sh-md:0 10px 28px rgba(16,35,31,.10);
  --kb-sh-lg:0 24px 60px rgba(16,35,31,.14);
  --kb-glow:0 12px 30px rgba(14,110,98,.28);
  --kb-grad-a:linear-gradient(135deg,#0E6E62 0%,#159C86 52%,#7CC7A1 100%);
  --kb-grad-b:linear-gradient(120deg,#0E6E62 0%,#159C86 100%);
  --kb-grad-c:linear-gradient(120deg,#F0A03C 0%,#E4663C 100%);
  --kb-trans:220ms cubic-bezier(.2,.7,.3,1);

  --bs-primary:#0E6E62;
  --bs-primary-rgb:14,110,98;
  --bs-body-bg:#FBF8F2;
  --bs-body-color:#1A2422;
  --bs-border-radius:14px;
  --bs-border-color:rgba(16,35,31,.10);
  --bs-link-color:#0E6E62;
  --bs-link-hover-color:#0B574E;
  --bs-font-sans-serif:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --bs-body-font-family:var(--bs-font-sans-serif);
  --bs-body-line-height:1.8;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:104px}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  font-size:16.5px;
  line-height:1.8;
  color:var(--kb-text);
  background:var(--kb-bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button,input,textarea{font-family:inherit;font-size:inherit}
h1{font-size:clamp(30px,4vw,46px);font-weight:800;line-height:1.2;letter-spacing:-.5px}
h2{font-size:clamp(24px,2.8vw,34px);font-weight:700;line-height:1.3;letter-spacing:-.3px}
h3{font-size:19px;font-weight:600;line-height:1.5}
p{color:var(--kb-text-2)}
:focus-visible{outline:2px solid var(--kb-primary);outline-offset:2px}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
@media (min-width:1400px){.container{max-width:1320px}}

/* ============ 按钮体系 ============ */
.kb-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;cursor:pointer;
  transition:transform var(--kb-trans),box-shadow var(--kb-trans),background-color var(--kb-trans),color var(--kb-trans),border-color var(--kb-trans);
}
.kb-btn i{font-size:13px;transition:transform var(--kb-trans)}
.kb-btn:hover i{transform:translateX(3px)}
.kb-btn-brand{background-image:var(--kb-grad-b);color:#fff;box-shadow:var(--kb-glow)}
.kb-btn-brand:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.06)}
.kb-btn-accent{background-image:var(--kb-grad-c);color:#fff;box-shadow:0 12px 30px rgba(228,102,60,.26)}
.kb-btn-accent:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.05)}
.kb-btn-outline{background:transparent;color:var(--kb-primary);border-color:rgba(14,110,98,.35)}
.kb-btn-outline:hover{background:var(--kb-primary-soft);color:var(--kb-primary-hover);transform:translateY(-2px)}
.kb-btn-block{width:100%}
.kb-btn-sm{height:38px;padding:0 16px;font-size:14px}

.kb-chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:999px;background:#fff;
  border:1px solid var(--kb-border);color:var(--kb-text-2);
  font-size:14px;transition:all var(--kb-trans);
}
.kb-chip i{color:var(--kb-primary);font-size:12px}
.kb-chip:hover,.kb-chip.is-active{
  background:var(--kb-primary-soft);border-color:rgba(14,110,98,.28);color:var(--kb-primary-deep)
}
.kb-badge-data{
  display:inline-flex;align-items:center;gap:12px;
  padding:14px 22px;border-radius:24px;background-image:var(--kb-grad-b);
  color:#fff;box-shadow:var(--kb-sh-lg);
}
.kb-badge-num{font-size:28px;font-weight:800;line-height:1;font-variant-numeric:tabular-nums;display:flex;align-items:baseline}
.kb-badge-num em{font-style:normal;font-size:13px;font-weight:600;margin-left:3px}
.kb-badge-label{font-size:12.5px;line-height:1.4;opacity:.88;max-width:96px}
.kb-badge-data--accent{background-image:var(--kb-grad-c)}

/* ============ 导航 ============ */
.kb-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(251,248,242,.94);
  border-bottom:1px solid transparent;
  transition:box-shadow var(--kb-trans),border-color var(--kb-trans);
  backdrop-filter:saturate(140%) blur(6px);
}
.kb-header.is-scrolled{box-shadow:var(--kb-sh-md);border-bottom-color:var(--kb-line)}
.kb-header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:76px}
.kb-logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.kb-logo-mark{
  width:40px;height:40px;border-radius:12px;background-image:var(--kb-grad-a);
  color:#fff;display:inline-flex;align-items:center;justify-content:center;
  font-size:17px;box-shadow:0 8px 18px rgba(14,110,98,.26);
}
.kb-logo-text{font-size:19px;font-weight:800;letter-spacing:-.2px;color:var(--kb-text)}
.kb-logo-text em{font-style:normal;color:var(--kb-primary)}
.kb-nav{display:flex;align-items:center;gap:4px}
.kb-nav-link{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:10px 14px;font-size:15px;color:var(--kb-text-2);border-radius:10px;
  transition:color var(--kb-trans),background-color var(--kb-trans);
}
.kb-nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background-image:var(--kb-grad-b);border-radius:2px;transform:scaleX(0);
  transform-origin:left center;transition:transform var(--kb-trans);
}
.kb-nav-link:hover{color:var(--kb-primary)}
.kb-nav-link:hover::after{transform:scaleX(1)}
.kb-nav-link.active{color:var(--kb-primary);font-weight:700}
.kb-nav-link.active::after{transform:scaleX(1)}
.kb-nav-link.dropdown-toggle::before{display:none}
.kb-nav .dropdown-menu.kb-dropdown{
  margin-top:12px;padding:14px;border:1px solid var(--kb-border);border-radius:20px;
  background:#fff;box-shadow:var(--kb-sh-md);
}
.kb-dropdown-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px;min-width:360px}
.kb-dropdown-link{
  display:block;padding:10px 14px;border-radius:12px;font-size:14.5px;color:var(--kb-text-2);
  transition:all var(--kb-trans);
}
.kb-dropdown-link:hover{background:var(--kb-primary-soft);color:var(--kb-primary-deep)}
.kb-header-actions{display:flex;align-items:center;gap:10px}
.kb-header-actions .kb-btn-brand{min-width:132px;height:44px}
.kb-burger{
  width:46px;height:46px;border-radius:14px;border:1px solid var(--kb-border);
  background:#fff;color:var(--kb-primary);font-size:18px;display:inline-flex;
  align-items:center;justify-content:center;transition:all var(--kb-trans);
}
.kb-burger:hover{background:var(--kb-primary-soft)}

/* 抽屉 */
.kb-drawer{width:min(90vw,360px);background:var(--kb-bg);border-left:1px solid var(--kb-border)}
.kb-drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--kb-line)}
.kb-drawer-body{display:flex;flex-direction:column;padding:16px 20px 0}
.kb-drawer-nav{display:flex;flex-direction:column;gap:4px}
.kb-drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 14px;border-radius:14px;font-size:16px;color:var(--kb-text-2);
  transition:all var(--kb-trans);
}
.kb-drawer-link:hover{background:#fff;color:var(--kb-primary)}
.kb-drawer-link.active{background:#fff;color:var(--kb-primary);font-weight:700;box-shadow:var(--kb-sh-sm)}
.kb-drawer-sub{display:flex;flex-direction:column;gap:2px;padding:4px 0 8px 14px;border-left:2px solid var(--kb-primary-soft);margin-left:14px}
.kb-drawer-sub a{padding:8px 10px;font-size:14px;color:var(--kb-text-3);border-radius:10px;transition:all var(--kb-trans)}
.kb-drawer-sub a:hover{color:var(--kb-primary);background:#fff}
.kb-drawer-foot{margin-top:auto;padding:20px 0 24px;border-top:1px solid var(--kb-line)}
.kb-drawer-foot p{margin-top:10px;font-size:12.5px;color:var(--kb-text-3);line-height:1.6}

.kb-mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:1035;
  display:none;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 16px;background:rgba(251,248,242,.96);
  border-top:1px solid var(--kb-line);box-shadow:0 -10px 28px rgba(16,35,31,.10);
  backdrop-filter:blur(8px);
}
.kb-mobile-bar-tag{font-size:13px;color:var(--kb-text-2);line-height:1.4}

/* ============ 面包屑 & 窄幅标题区 ============ */
.kb-pagehead{padding:34px 0 46px;background:linear-gradient(180deg,#F1F5F2 0%,#FBF8F2 100%);border-bottom:1px solid var(--kb-line)}
.kb-crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--kb-text-3)}
.kb-crumb li{display:flex;align-items:center;gap:8px}
.kb-crumb li+li::before{content:"/";color:var(--kb-text-3);opacity:.6}
.kb-crumb a{color:var(--kb-text-2);transition:color var(--kb-trans)}
.kb-crumb a:hover{color:var(--kb-primary)}
.kb-pagehead h1{margin-top:18px;max-width:820px}
.kb-pagehead-lead{margin-top:16px;max-width:760px;font-size:16.5px;line-height:1.85;color:var(--kb-text-2)}
.kb-chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}

/* ============ 主体两栏 ============ */
.kb-main{padding:72px 0 88px}
.kb-side{position:sticky;top:100px}
.kb-side-card{
  background:#fff;border:1px solid var(--kb-border);border-radius:var(--kb-r-card);
  padding:22px;box-shadow:var(--kb-sh-sm);
}
.kb-side-title{font-size:13px;letter-spacing:.08em;color:var(--kb-text-3);text-transform:uppercase;margin-bottom:14px}
.kb-side-nav{display:flex;flex-direction:column;gap:2px}
.kb-side-nav a{
  position:relative;padding:10px 12px 10px 16px;border-radius:12px;
  font-size:14.5px;color:var(--kb-text-2);transition:all var(--kb-trans);
}
.kb-side-nav a::before{
  content:"";position:absolute;left:6px;top:50%;transform:translateY(-50%);
  width:3px;height:0;border-radius:3px;background-image:var(--kb-grad-b);
  transition:height var(--kb-trans);
}
.kb-side-nav a:hover{background:var(--kb-bg-mist);color:var(--kb-primary-deep)}
.kb-side-nav a.is-active{background:var(--kb-primary-soft);color:var(--kb-primary-deep);font-weight:600}
.kb-side-nav a.is-active::before{height:18px}
.kb-side-help{margin-top:18px;padding-top:18px;border-top:1px solid var(--kb-line);font-size:13px;color:var(--kb-text-3);line-height:1.7}
.kb-side-help a{color:var(--kb-primary);font-weight:600}

.kb-seg{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:center;padding:8px 0 64px}
.kb-seg+.kb-seg{border-top:1px solid var(--kb-line);padding-top:64px}
.kb-seg-kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--kb-primary);margin-bottom:12px}
.kb-seg-kicker::before{content:"";width:22px;height:3px;border-radius:3px;background-image:var(--kb-grad-b)}
.kb-seg h2{margin-bottom:14px}
.kb-seg p{font-size:16px;line-height:1.9}
.kb-seg-list{margin-top:18px;display:flex;flex-direction:column;gap:10px}
.kb-seg-list li{position:relative;padding-left:22px;font-size:15px;color:var(--kb-text-2);line-height:1.75}
.kb-seg-list li::before{
  content:"";position:absolute;left:0;top:9px;width:9px;height:9px;border-radius:3px;
  background-image:var(--kb-grad-b);
}
.kb-seg-list strong{color:var(--kb-text);font-weight:600}
.kb-figure{position:relative}
.kb-figure img{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:24px;
  border:1px solid var(--kb-border);box-shadow:var(--kb-sh-md);
}
.kb-figure .kb-badge-data{position:absolute;right:-10px;bottom:-18px}
.kb-seg--reverse .kb-figure{order:2}
.kb-seg--reverse .kb-seg-body{order:1}

/* ============ 流程条 ============ */
.kb-steps-wrap{background:var(--kb-bg-mist);border-top:1px solid var(--kb-line);border-bottom:1px solid var(--kb-line);padding:72px 0}
.kb-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;margin-top:40px}
.kb-step{position:relative;padding-right:20px}
.kb-step:not(:last-child)::after{
  content:"";position:absolute;top:25px;left:64px;right:0;height:2px;border-radius:2px;
  background:linear-gradient(90deg,rgba(14,110,98,.35),rgba(14,110,98,.05));
}
.kb-step-dot{
  width:52px;height:52px;border-radius:50%;background:#fff;border:2px solid rgba(14,110,98,.25);
  color:var(--kb-primary);font-size:18px;font-weight:800;display:flex;align-items:center;
  justify-content:center;font-variant-numeric:tabular-nums;box-shadow:var(--kb-sh-sm);
}
.kb-step h3{margin:20px 0 8px}
.kb-step p{font-size:15px;line-height:1.75}

/* ============ 对比表 ============ */
.kb-compare{
  margin-top:40px;background:#fff;border:1px solid var(--kb-border);
  border-radius:var(--kb-r-lg);overflow:hidden;box-shadow:var(--kb-sh-sm);
}
.kb-compare-scroll{overflow-x:auto}
table.kb-table{width:100%;min-width:660px;border-collapse:collapse}
table.kb-table th,table.kb-table td{
  padding:20px 24px;text-align:left;border-bottom:1px solid var(--kb-line);
  vertical-align:top;font-size:15.5px;
}
table.kb-table thead th{
  background:var(--kb-bg-mist);font-size:13.5px;font-weight:600;color:var(--kb-text-2);
  letter-spacing:.02em;border-bottom:1px solid var(--kb-border);
}
table.kb-table tbody th{font-weight:600;color:var(--kb-text);font-size:15px;width:22%}
table.kb-table tbody tr:last-child th,table.kb-table tbody tr:last-child td{border-bottom:none}
table.kb-table td{color:var(--kb-text-2)}
.kb-best{background:rgba(227,241,238,.55);position:relative}
table.kb-table thead th.kb-best{color:var(--kb-primary-deep)}
.kb-best-tag{
  display:inline-flex;align-items:center;gap:5px;margin-left:8px;padding:3px 10px;
  border-radius:999px;background-image:var(--kb-grad-c);color:#fff;font-size:11.5px;font-weight:600;
  vertical-align:middle;
}
.kb-compare-note{padding:16px 24px;font-size:13px;color:var(--kb-text-3);background:#fff;border-top:1px solid var(--kb-line)}

/* ============ 问答卡 ============ */
.kb-section{padding:88px 0}
.kb-section-head{max-width:720px;margin-bottom:40px}
.kb-section-head p{margin-top:14px;font-size:16px;line-height:1.85}
.kb-qa-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.kb-qa{
  background:#fff;border:1px solid var(--kb-border);border-radius:var(--kb-r-card);
  padding:26px 28px;box-shadow:var(--kb-sh-sm);transition:transform var(--kb-trans),box-shadow var(--kb-trans);
}
.kb-qa:hover{transform:translateY(-4px);box-shadow:var(--kb-sh-md)}
.kb-qa h3{font-size:18px;margin-bottom:10px}
.kb-qa p{font-size:15px;line-height:1.85}
.kb-qa-icon{color:var(--kb-primary);font-size:15px;margin-right:8px}

/* ============ CTA 面板 ============ */
.kb-cta-section{padding:0 0 96px}
.kb-cta-panel{
  position:relative;border-radius:var(--kb-r-lg);overflow:hidden;
  background-color:var(--kb-dark);padding:56px;color:#fff;
}
.kb-cta-panel::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;opacity:.22;
}
.kb-cta-panel::after{
  content:"";position:absolute;width:520px;height:520px;right:-140px;top:-180px;border-radius:50%;
  background:radial-gradient(circle,rgba(240,160,60,.34) 0%,rgba(240,160,60,0) 70%);
}
.kb-cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:48px;align-items:center}
.kb-cta-inner h2{color:#fff}
.kb-cta-inner p{color:rgba(255,255,255,.78);margin-top:14px;font-size:16px;line-height:1.85}
.kb-cta-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.kb-cta-points span{
  display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.16);
  font-size:13.5px;color:rgba(255,255,255,.9);
}
.kb-cta-points i{color:#7CC7A1;font-size:12px}
.kb-form{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--kb-r-card);padding:26px}
.kb-form-label{display:block;font-size:13px;color:rgba(255,255,255,.66);margin-bottom:6px}
.kb-form-label .req{color:var(--kb-terra)}
.form-control.kb-input{
  height:50px;border-radius:14px;border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.08);color:#fff;padding:0 16px;font-size:15px;
  box-shadow:inset 0 1px 3px rgba(0,0,0,.20);transition:border-color var(--kb-trans),box-shadow var(--kb-trans);
}
.form-control.kb-input::placeholder{color:rgba(255,255,255,.42)}
.form-control.kb-input:focus{
  background:rgba(255,255,255,.12);color:#fff;border-color:#7CC7A1;
  box-shadow:0 0 0 4px rgba(124,199,161,.24);outline:none;
}
.kb-form-row+.kb-form-row{margin-top:16px}
.kb-form .kb-btn{width:100%;margin-top:20px}
.kb-form-note{margin-top:12px;font-size:12.5px;color:rgba(255,255,255,.55);line-height:1.6}

/* ============ 页脚 ============ */
.kb-footer{position:relative;background:var(--kb-dark);color:#fff;padding:72px 0 0;margin-top:0}
.kb-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background-image:var(--kb-grad-a)}
.kb-footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.kb-footer-brand-text{font-size:19px;font-weight:800;color:#fff}
.kb-footer-desc{color:rgba(255,255,255,.68);font-size:14.5px;line-height:1.8;max-width:380px}
.kb-footer-contact{margin-top:18px;display:flex;flex-direction:column;gap:8px}
.kb-footer-contact span{display:flex;align-items:center;gap:9px;font-size:13.5px;color:rgba(255,255,255,.62)}
.kb-footer-contact i{color:#7CC7A1;font-size:13px}
.kb-footer h4{font-size:16px;font-weight:600;color:#fff;margin-bottom:16px}
.kb-footer-links{display:flex;flex-direction:column}
.kb-footer-links a{
  display:block;padding:7px 0;font-size:14.5px;color:rgba(255,255,255,.7);
  transition:color var(--kb-trans),transform var(--kb-trans);
}
.kb-footer-links a:hover{color:#fff;transform:translateX(4px)}
.kb-footer-bottom{
  margin-top:52px;padding:20px 0 26px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .kb-cta-inner{gap:36px}
}
@media (max-width:991.98px){
  body{padding-bottom:74px}
  .kb-mobile-bar{display:flex}
  .kb-pagehead{padding:26px 0 36px}
  .kb-main{padding:48px 0 64px}
  .kb-section{padding:64px 0}
  .kb-cta-section{padding:0 0 64px}
  .kb-side{position:static;margin-bottom:32px}
  .kb-side-nav{flex-direction:row;flex-wrap:nowrap;overflow-x:auto;gap:8px;padding-bottom:4px}
  .kb-side-nav a{white-space:nowrap;padding:9px 16px;border-radius:999px;background:var(--kb-bg-mist)}
  .kb-side-nav a::before{display:none}
  .kb-seg{grid-template-columns:minmax(0,1fr);gap:32px;padding-bottom:48px}
  .kb-seg+.kb-seg{padding-top:48px}
  .kb-seg--reverse .kb-figure{order:0}
  .kb-seg--reverse .kb-seg-body{order:0}
  .kb-figure img{aspect-ratio:16/9}
  .kb-figure .kb-badge-data{right:14px;bottom:-16px}
  .kb-steps{grid-template-columns:minmax(0,1fr);gap:0}
  .kb-step{padding:0 0 28px 0}
  .kb-step:not(:last-child)::after{
    top:58px;left:25px;right:auto;bottom:6px;width:2px;height:auto;
    background:linear-gradient(180deg,rgba(14,110,98,.35),rgba(14,110,98,.05));
  }
  .kb-step h3{margin:14px 0 6px}
  .kb-qa-grid{grid-template-columns:minmax(0,1fr)}
  .kb-cta-panel{padding:40px 26px}
  .kb-cta-inner{grid-template-columns:minmax(0,1fr);gap:32px}
  .kb-footer{padding-top:56px}
}
@media (max-width:575.98px){
  body{font-size:16px}
  h1{font-size:30px}
  .kb-header-inner{height:68px}
  .kb-pagehead h1{margin-top:14px}
  .kb-chip{font-size:13px;padding:7px 13px}
  .kb-steps-wrap{padding:56px 0}
  .kb-qa{padding:22px}
  .kb-cta-panel{padding:32px 20px;border-radius:20px}
  .kb-form{padding:20px}
  .kb-footer-bottom{flex-direction:column;align-items:flex-start}
  .kb-mobile-bar-tag{font-size:12px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
  .kb-btn:hover,.kb-qa:hover,.kb-footer-links a:hover{transform:none}
}

/* roulang page: category1 */
:root{
  --bs-primary:#0E6E62;
  --bs-body-bg:#FBF8F2;
  --bs-body-color:#1A2422;
  --bs-border-radius:14px;
  --bs-link-color:#0E6E62;
  --bs-link-hover-color:#0B574E;
  --bs-font-sans-serif:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;

  --kb-primary:#0E6E62;
  --kb-primary-hover:#0B574E;
  --kb-primary-light:#E3F1EE;
  --kb-primary-dark:#0A4A42;
  --kb-accent:#F0A03C;
  --kb-accent-hover:#D98A28;
  --kb-terracotta:#E4663C;
  --kb-bg:#FBF8F2;
  --kb-bg-alt:#F1F5F2;
  --kb-dark:#10231F;
  --kb-text:#1A2422;
  --kb-text-2:#5A6763;
  --kb-text-3:#8A9490;
  --kb-border:rgba(16,35,31,.10);
  --kb-divider:rgba(16,35,31,.08);
  --kb-grad-a:linear-gradient(135deg,#0E6E62 0%,#159C86 55%,#7CC7A1 100%);
  --kb-grad-b:linear-gradient(120deg,#0E6E62 0%,#159C86 100%);
  --kb-grad-accent:linear-gradient(120deg,#F0A03C 0%,#E4663C 100%);
  --kb-r-sm:10px;
  --kb-r:14px;
  --kb-r-card:20px;
  --kb-r-lg:28px;
  --kb-sh-sm:0 2px 8px rgba(16,35,31,.06);
  --kb-sh-md:0 10px 28px rgba(16,35,31,.10);
  --kb-sh-lg:0 24px 60px rgba(16,35,31,.14);
  --kb-sh-brand:0 12px 30px rgba(14,110,98,.28);
  --kb-t:220ms cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  font-size:16.5px;
  line-height:1.8;
  color:var(--kb-text);
  background:var(--kb-bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--kb-primary);text-decoration:none;transition:color var(--kb-t)}
a:hover{color:var(--kb-primary-hover)}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--kb-text);letter-spacing:-.2px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--kb-primary);outline-offset:2px;border-radius:6px}
.kb-num{font-variant-numeric:tabular-nums}

.container{max-width:1200px;padding-left:20px;padding-right:20px}
@media (min-width:1400px){.container{max-width:1320px}}

/* ---------- 通用 ---------- */
.kb-section{padding:88px 0}
.kb-section--tight{padding:64px 0}
.kb-section--alt{background:var(--kb-bg-alt)}
.kb-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:1px;
  color:var(--kb-primary);background:var(--kb-primary-light);
  padding:6px 14px;border-radius:999px;margin-bottom:18px;
}
.kb-h2{font-size:clamp(26px,3vw,38px);line-height:1.3}
.kb-lead{color:var(--kb-text-2);font-size:16.5px;max-width:760px}
.kb-sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:44px}
.kb-text-link{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:15px;color:var(--kb-primary)}
.kb-text-link i{transition:transform var(--kb-t)}
.kb-text-link:hover i{transform:translateX(3px)}

/* ---------- 按钮 ---------- */
.kb-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform var(--kb-t),box-shadow var(--kb-t),background-color var(--kb-t),color var(--kb-t),border-color var(--kb-t);
}
.kb-btn i{transition:transform var(--kb-t)}
.kb-btn:hover{transform:translateY(-2px)}
.kb-btn:active{transform:translateY(0)}
.kb-btn-brand{background:var(--kb-grad-b);color:#fff;box-shadow:var(--kb-sh-brand)}
.kb-btn-brand:hover{color:#fff;filter:brightness(1.06)}
.kb-btn-brand:hover i{transform:translateX(3px)}
.kb-btn-accent{background:var(--kb-grad-accent);color:#fff;box-shadow:0 10px 24px rgba(228,102,60,.28)}
.kb-btn-accent:hover{color:#fff;filter:brightness(1.05)}
.kb-btn-outline{background:transparent;color:var(--kb-primary);border-color:rgba(14,110,98,.35)}
.kb-btn-outline:hover{background:var(--kb-primary-light);color:var(--kb-primary-dark);border-color:var(--kb-primary)}
.kb-btn-light{background:#fff;color:var(--kb-primary-dark)}
.kb-btn-light:hover{color:var(--kb-primary-dark);box-shadow:var(--kb-sh-md)}
.kb-btn-sm{height:38px;padding:0 16px;font-size:14px}

/* ---------- 头部导航 ---------- */
.kb-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(251,248,242,.94);
  border-bottom:1px solid var(--kb-divider);
  transition:box-shadow var(--kb-t),background-color var(--kb-t);
}
.kb-header.is-scrolled{box-shadow:var(--kb-sh-md)}
.kb-header-inner{display:flex;align-items:center;gap:24px;height:76px}
.kb-logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.kb-logo-mark{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:var(--kb-grad-a);color:#fff;font-size:17px;box-shadow:var(--kb-sh-brand);
}
.kb-logo-text{font-size:19px;font-weight:800;color:var(--kb-text);letter-spacing:-.4px}
.kb-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.kb-nav-link{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:10px 14px;border-radius:10px;font-size:15px;font-weight:600;color:var(--kb-text-2);
  transition:color var(--kb-t),background-color var(--kb-t);
}
.kb-nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;
  background:var(--kb-grad-b);transform:scaleX(0);transform-origin:left;transition:transform var(--kb-t);
}
.kb-nav-link:hover{color:var(--kb-primary-dark)}
.kb-nav-link:hover::after{transform:scaleX(1)}
.kb-nav-link.active{color:var(--kb-primary-dark)}
.kb-nav-link.active::after{transform:scaleX(1)}
.kb-dropdown{
  background:#fff;border:1px solid var(--kb-border);border-radius:var(--kb-r-card);
  box-shadow:var(--kb-sh-md);padding:14px;margin-top:12px;min-width:300px;border-top:3px solid var(--kb-primary);
}
.kb-dropdown-grid{display:grid;grid-template-columns:1fr 1fr;gap:4px}
.kb-dropdown-link{
  display:block;padding:10px 12px;border-radius:10px;font-size:14px;color:var(--kb-text-2);font-weight:500;
  transition:background-color var(--kb-t),color var(--kb-t);
}
.kb-dropdown-link:hover{background:var(--kb-primary-light);color:var(--kb-primary-dark)}
.kb-header-actions{display:flex;align-items:center;gap:10px;margin-left:8px}
.kb-header-actions .kb-btn-brand{min-width:132px}

/* 移动端汉堡 */
.kb-burger{
  margin-left:auto;width:46px;height:46px;border-radius:12px;border:1px solid var(--kb-border);
  background:#fff;color:var(--kb-primary-dark);font-size:18px;display:grid;place-items:center;
  transition:background-color var(--kb-t);
}
.kb-burger:hover{background:var(--kb-primary-light)}
.kb-offcanvas{background:var(--kb-bg);width:min(86vw,360px)}
.kb-offcanvas .offcanvas-header{border-bottom:1px solid var(--kb-divider);padding:18px 20px}
.kb-offcanvas .offcanvas-body{padding:18px 20px 110px}
.kb-mnav{display:flex;flex-direction:column;gap:6px}
.kb-mnav-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 16px;border-radius:var(--kb-r);font-size:16px;font-weight:600;color:var(--kb-text);
  background:#fff;border:1px solid var(--kb-border);
}
.kb-mnav-link.active{background:var(--kb-primary-light);border-color:rgba(14,110,98,.3);color:var(--kb-primary-dark)}
.kb-mnav-sub{display:grid;gap:2px;padding:8px 0 4px 14px}
.kb-mnav-sub a{font-size:14px;color:var(--kb-text-2);padding:8px 0}
.kb-mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;
  background:rgba(251,248,242,.97);border-top:1px solid var(--kb-border);
  box-shadow:0 -8px 24px rgba(16,35,31,.08);
  padding:10px 16px 12px;display:flex;align-items:center;gap:12px;
}
.kb-mobile-bar span{font-size:12.5px;color:var(--kb-text-2);line-height:1.4}
.kb-mobile-bar .kb-btn{flex-shrink:0}

/* ---------- 分类头图带 ---------- */
.kb-page-hero{position:relative;overflow:hidden;background:var(--kb-dark)}
.kb-page-hero-media{
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-1.png);
  background-size:cover;background-position:center 30%;
}
.kb-page-hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(14,110,98,.86) 0%,rgba(21,156,134,.62) 52%,rgba(124,199,161,.48) 100%);
}
.kb-page-hero-inner{position:relative;z-index:2;padding:104px 0 96px;max-width:820px}
.kb-crumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13.5px;color:rgba(255,255,255,.82);margin-bottom:22px}
.kb-crumb a{color:rgba(255,255,255,.92)}
.kb-crumb a:hover{color:#fff;text-decoration:underline}
.kb-crumb li{display:flex;align-items:center;gap:8px}
.kb-crumb li+li::before{content:"/";opacity:.6}
.kb-page-hero h1{color:#fff;font-size:clamp(30px,4.4vw,52px);line-height:1.22;font-weight:800;letter-spacing:-.5px}
.kb-page-hero .kb-hero-sub{color:rgba(255,255,255,.92);font-size:17px;margin-top:18px;max-width:640px}
.kb-hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.kb-hero-tags span{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 14px;border-radius:999px;font-size:13.5px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.3);color:#fff;
}

/* ---------- 三句要点条 ---------- */
.kb-points{background:var(--kb-bg-alt);border-bottom:1px solid var(--kb-divider)}
.kb-point{
  display:flex;gap:14px;align-items:flex-start;padding:26px 0;
}
.kb-point-icon{
  width:44px;height:44px;flex-shrink:0;border-radius:14px;display:grid;place-items:center;
  background:#fff;border:1px solid var(--kb-border);color:var(--kb-primary);font-size:17px;box-shadow:var(--kb-sh-sm);
}
.kb-point h3{font-size:16px;font-weight:700;margin-bottom:4px}
.kb-point p{font-size:13.5px;color:var(--kb-text-2);line-height:1.6}

/* ---------- 卡片网格 ---------- */
.kb-card{
  height:100%;display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--kb-border);border-radius:var(--kb-r-card);
  box-shadow:var(--kb-sh-sm);overflow:hidden;
  transition:transform var(--kb-t),box-shadow var(--kb-t),border-color var(--kb-t);
}
.kb-card:hover{transform:translateY(-4px);box-shadow:var(--kb-sh-md);border-color:rgba(14,110,98,.24)}
.kb-card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--kb-bg-alt)}
.kb-card-media img{width:100%;height:100%;object-fit:cover;transition:transform 420ms cubic-bezier(.2,.7,.3,1)}
.kb-card:hover .kb-card-media img{transform:scale(1.04)}
.kb-card-media::after{content:"";position:absolute;inset:0;border:1px solid rgba(16,35,31,.06);border-radius:0}
.kb-card-badge{
  position:absolute;top:14px;left:14px;z-index:2;
  padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:700;color:#fff;
  background:var(--kb-accent);box-shadow:0 4px 12px rgba(240,160,60,.35);
}
.kb-card-badge.is-hot{background:var(--kb-terracotta);box-shadow:0 4px 12px rgba(228,102,60,.35)}
.kb-card-badge.is-new{background:var(--kb-primary);box-shadow:0 4px 12px rgba(14,110,98,.35)}
.kb-card-body{padding:24px 24px 26px;display:flex;flex-direction:column;gap:12px;flex:1}
.kb-card-title{font-size:18px;font-weight:600;line-height:1.45}
.kb-card-title a{color:var(--kb-text)}
.kb-card-title a:hover{color:var(--kb-primary)}
.kb-card-desc{font-size:14px;color:var(--kb-text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.kb-chips{display:flex;flex-wrap:wrap;gap:8px}
.kb-chip{
  display:inline-flex;align-items:center;padding:4px 11px;border-radius:999px;
  font-size:12.5px;font-weight:600;color:var(--kb-primary-dark);background:var(--kb-primary-light);
}
.kb-chip.is-soft{background:var(--kb-bg-alt);color:var(--kb-text-2)}
.kb-card-stats{
  display:flex;gap:20px;padding-top:14px;border-top:1px dashed var(--kb-divider);
}
.kb-card-stats div{display:flex;flex-direction:column;gap:2px}
.kb-card-stats strong{font-size:20px;font-weight:800;color:var(--kb-primary-dark);font-variant-numeric:tabular-nums;line-height:1.2}
.kb-card-stats span{font-size:12px;color:var(--kb-text-3)}
.kb-card-foot{margin-top:auto;padding-top:8px}

/* ---------- 锚点小导航 ---------- */
.kb-anchor-nav{display:flex;flex-wrap:wrap;gap:10px}
.kb-anchor-nav a{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 18px;border-radius:999px;font-size:14.5px;font-weight:600;
  background:#fff;border:1px solid var(--kb-border);color:var(--kb-text-2);
  transition:all var(--kb-t);
}
.kb-anchor-nav a:hover{background:var(--kb-primary-light);border-color:rgba(14,110,98,.3);color:var(--kb-primary-dark);transform:translateY(-2px)}

/* ---------- FAQ ---------- */
.kb-faq .accordion-item{
  border:1px solid var(--kb-border);border-radius:var(--kb-r-card);background:#fff;
  margin-bottom:12px;overflow:hidden;box-shadow:var(--kb-sh-sm);transition:border-color var(--kb-t),box-shadow var(--kb-t);
}
.kb-faq .accordion-item:last-child{margin-bottom:0}
.kb-faq .accordion-button{
  position:relative;background:#fff;border:0;box-shadow:none;color:var(--kb-text);
  font-size:16.5px;font-weight:600;padding:22px 56px 22px 30px;line-height:1.55;
}
.kb-faq .accordion-button::before{
  content:"";position:absolute;left:14px;top:50%;transform:translateY(-50%);
  width:4px;height:26px;border-radius:4px;background:var(--kb-grad-b);
}
.kb-faq .accordion-button:not(.collapsed){color:var(--kb-primary-dark);background:#fff}
.kb-faq .accordion-button:focus{box-shadow:none;outline:none}
.kb-faq .accordion-button::after{
  position:absolute;right:22px;top:50%;transform:translateY(-50%);
  width:22px;height:22px;background-size:22px;background-position:center;
  transition:transform var(--kb-t);filter:invert(28%) sepia(38%) saturate(1200%) hue-rotate(130deg);
}
.kb-faq .accordion-button:not(.collapsed)::after{transform:translateY(-50%) rotate(180deg)}
.kb-faq .accordion-item:has(.accordion-button:not(.collapsed)){border-color:rgba(14,110,98,.35);box-shadow:var(--kb-sh-md)}
.kb-faq .accordion-body{padding:0 30px 24px 30px;font-size:15px;color:var(--kb-text-2);line-height:1.85}

/* ---------- CTA ---------- */
.kb-cta-panel{
  position:relative;overflow:hidden;border-radius:var(--kb-r-lg);
  background:var(--kb-dark);color:#fff;padding:56px 52px;box-shadow:var(--kb-sh-lg);
}
.kb-cta-panel::before{
  content:"";position:absolute;right:-140px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(21,156,134,.55),transparent 68%);
}
.kb-cta-panel::after{
  content:"";position:absolute;left:-100px;bottom:-160px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(240,160,60,.28),transparent 70%);
}
.kb-cta-content{position:relative;z-index:2}
.kb-cta-panel h2{color:#fff;font-size:clamp(24px,2.6vw,34px);line-height:1.3}
.kb-cta-panel p{color:rgba(255,255,255,.78);margin-top:14px;font-size:15.5px;max-width:520px}
.kb-form-label{font-size:13px;color:rgba(255,255,255,.7);margin-bottom:8px;display:block}
.kb-form-label .kb-req{color:var(--kb-terracotta)}
.kb-input{
  width:100%;height:52px;border-radius:var(--kb-r);border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.08);color:#fff;padding:0 18px;font-size:15px;
  box-shadow:inset 0 1px 3px rgba(0,0,0,.18);transition:border-color var(--kb-t),box-shadow var(--kb-t),background-color var(--kb-t);
}
.kb-input::placeholder{color:rgba(255,255,255,.45)}
.kb-input:focus{outline:none;border-color:#7CC7A1;background:rgba(255,255,255,.14);box-shadow:0 0 0 4px rgba(124,199,161,.22)}
.kb-form-note{font-size:12px;color:rgba(255,255,255,.55);margin-top:12px;line-height:1.6}

.kb-cta-simple{
  background:#fff;border:1px solid var(--kb-border);border-radius:var(--kb-r-lg);
  box-shadow:var(--kb-sh-md);padding:44px 44px;display:flex;flex-wrap:wrap;gap:28px;align-items:center;justify-content:space-between;
  position:relative;overflow:hidden;
}
.kb-cta-simple::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:6px;background:var(--kb-grad-b);
}

/* ---------- 页脚 ---------- */
.kb-footer{
  position:relative;background:var(--kb-dark);color:rgba(255,255,255,.78);
  padding:72px 0 0;margin-top:0;
}
.kb-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--kb-grad-a)}
.kb-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;letter-spacing:.4px}
.kb-footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.kb-footer-brand .kb-logo-mark{box-shadow:none}
.kb-footer-brand-text{font-size:19px;font-weight:800;color:#fff}
.kb-footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:340px}
.kb-footer-contact{display:flex;flex-direction:column;gap:8px;margin-top:20px;font-size:13.5px;color:rgba(255,255,255,.6)}
.kb-footer-contact i{color:#7CC7A1;margin-right:8px}
.kb-footer-links{display:flex;flex-direction:column;gap:11px}
.kb-footer-links a{font-size:14px;color:rgba(255,255,255,.68)}
.kb-footer-links a:hover{color:#fff;text-decoration:underline}
.kb-footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .kb-header-inner{gap:16px}
  .kb-nav-link{padding:10px 11px;font-size:14.5px}
}
@media (max-width:991.98px){
  .kb-section{padding:64px 0}
  .kb-section--tight{padding:56px 0}
  .kb-page-hero-inner{padding:76px 0 68px}
  .kb-cta-panel{padding:42px 28px}
  .kb-cta-simple{padding:34px 26px}
  .kb-footer{padding-top:56px}
  .kb-card-body{padding:20px}
}
@media (max-width:575.98px){
  body{font-size:16px}
  .kb-page-hero-inner{padding:64px 0 58px}
  .kb-page-hero h1{font-size:30px}
  .kb-page-hero .kb-hero-sub{font-size:15.5px}
  .kb-point{padding:18px 0}
  .kb-card-stats{gap:14px}
  .kb-footer-bottom{flex-direction:column}
  .kb-section{padding:56px 0}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  .kb-card:hover,.kb-btn:hover,.kb-anchor-nav a:hover{transform:none}
  .kb-card:hover .kb-card-media img{transform:none}
}