/* roulang page: index */
:root{
  --kc-primary:#2E6B66;
  --kc-primary-dark:#1F4E4A;
  --kc-primary-soft:#E4EFEC;
  --kc-secondary:#E07A3F;
  --kc-secondary-dark:#C4642E;
  --kc-accent:#F3C14B;
  --kc-bg:#F7F5F0;
  --kc-surface:#FFFFFF;
  --kc-ink:#1B2422;
  --kc-muted:#66706D;
  --kc-border:rgba(27,36,34,.12);
  --kc-dark:#17201F;
  --kc-dark-2:#1E2C2A;
  --kc-success:#3F8F6B;
  --kc-danger:#C44536;
  --kc-radius:18px;
  --kc-radius-sm:12px;
  --kc-shadow:0 12px 30px rgba(23,32,31,.08);
  --kc-shadow-lg:0 24px 54px rgba(23,32,31,.18);
  --kc-font:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  --bs-primary:#2E6B66;
  --bs-primary-rgb:46,107,102;
  --bs-body-font-family:var(--kc-font);
  --bs-body-color:#1B2422;
  --bs-body-bg:#F7F5F0;
  --bs-link-color:#2E6B66;
  --bs-link-hover-color:#1F4E4A;
  --bs-border-radius:14px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--kc-font);
  background:var(--kc-bg);
  color:var(--kc-ink);
  font-size:1.0625rem;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--kc-primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--kc-primary-dark)}
h1,h2,h3,h4{font-weight:700;letter-spacing:-.01em;color:var(--kc-ink);margin:0 0 .6em}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
button,input,select,textarea{font-family:inherit;font-size:1rem}
:focus-visible{outline:2px solid var(--kc-primary);outline-offset:2px;border-radius:6px}
::selection{background:var(--kc-primary);color:#fff}

/* ---------- 容器 ---------- */
.kc-container{width:100%;max-width:1240px;margin:0 auto;padding:0 22px}

/* ---------- 顶部导航 ---------- */
.kc-header{
  position:sticky;top:0;z-index:1040;
  padding:14px 0 10px;
  background:rgba(247,245,240,.92);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(27,36,34,.06);
}
.kc-nav-panel{
  display:flex;align-items:center;gap:18px;
  background:var(--kc-surface);
  border:1px solid var(--kc-border);
  border-radius:20px;
  padding:10px 14px;
  box-shadow:0 10px 26px rgba(23,32,31,.07);
}
.kc-logo{display:flex;align-items:center;gap:11px;flex:0 0 auto;padding:4px 6px}
.kc-logo-mark{
  width:40px;height:40px;border-radius:12px;
  background:linear-gradient(150deg,var(--kc-primary) 0%,var(--kc-primary-dark) 100%);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px rgba(46,107,102,.32);
}
.kc-logo-mark svg{width:22px;height:22px;fill:none;stroke:#F3C14B;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.kc-logo-text{font-size:1.06rem;font-weight:800;color:var(--kc-ink);letter-spacing:-.02em;white-space:nowrap}
.kc-logo-text em{font-style:normal;color:var(--kc-primary)}
.kc-nav-list{display:flex;align-items:center;gap:6px;flex:1 1 auto;justify-content:center;flex-wrap:wrap}
.kc-nav-link{
  display:block;padding:9px 15px;border-radius:12px;
  font-size:.95rem;font-weight:600;color:var(--kc-muted);
  border:1px solid transparent;white-space:nowrap;
  transition:all .2s ease;
}
.kc-nav-link:hover{background:var(--kc-primary-soft);color:var(--kc-primary-dark);border-color:rgba(46,107,102,.18)}
.kc-nav-link.is-active{background:var(--kc-primary);color:#fff;box-shadow:0 8px 18px rgba(46,107,102,.28)}
.kc-nav-cta{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;
  padding:11px 20px;border-radius:13px;
  background:var(--kc-secondary);color:#fff;font-weight:700;font-size:.95rem;
  box-shadow:0 10px 22px rgba(224,122,63,.3);
  transition:all .22s ease;
}
.kc-nav-cta:hover{background:var(--kc-secondary-dark);color:#fff;transform:translateY(-2px)}
.kc-burger{
  display:none;border:1px solid var(--kc-border);border-radius:12px;
  width:44px;height:44px;background:var(--kc-bg);color:var(--kc-ink);
  align-items:center;justify-content:center;font-size:1.1rem;
}
.kc-offcanvas{background:var(--kc-dark);color:#E7EDEA;width:320px}
.kc-offcanvas .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.1);padding:20px 22px}
.kc-offcanvas .offcanvas-title{color:#fff;font-size:1rem;font-weight:700}
.kc-offcanvas .btn-close{filter:invert(1) grayscale(1);opacity:.75}
.kc-offcanvas .offcanvas-body{padding:18px 16px 26px}
.kc-mnav-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 16px;margin-bottom:10px;border-radius:14px;
  background:var(--kc-dark-2);color:#DDE6E3;font-weight:600;font-size:.98rem;
  border:1px solid rgba(255,255,255,.07);
}
.kc-mnav-link:hover,.kc-mnav-link.is-active{background:var(--kc-primary);color:#fff}
.kc-mnav-cta{
  display:block;text-align:center;margin-top:18px;padding:14px;
  border-radius:14px;background:var(--kc-secondary);color:#fff;font-weight:700;
}
.kc-mnav-cta:hover{background:var(--kc-secondary-dark);color:#fff}

/* ---------- 通用按钮 ---------- */
.kc-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;border-radius:13px;font-weight:700;font-size:1rem;
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.kc-btn-primary{background:var(--kc-primary);color:#fff;box-shadow:0 12px 26px rgba(46,107,102,.28)}
.kc-btn-primary:hover{background:var(--kc-primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 16px 32px rgba(46,107,102,.34)}
.kc-btn-accent{background:var(--kc-secondary);color:#fff;box-shadow:0 12px 26px rgba(224,122,63,.3)}
.kc-btn-accent:hover{background:var(--kc-secondary-dark);color:#fff;transform:translateY(-2px)}
.kc-btn-ghost{background:transparent;color:var(--kc-ink);border-color:rgba(27,36,34,.24)}
.kc-btn-ghost:hover{background:rgba(46,107,102,.08);border-color:var(--kc-primary);color:var(--kc-primary-dark);transform:translateY(-2px)}
.kc-btn-light{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.3)}
.kc-btn-light:hover{background:rgba(255,255,255,.22);color:#fff;transform:translateY(-2px)}
.kc-btn:disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}
.kc-btn-block{width:100%}

/* ---------- 区块 ---------- */
.sec{padding:104px 0;position:relative}
.sec-tight{padding:78px 0}
.sec-dark{background:var(--kc-dark);color:#E4EBE8}
.sec-dark h2,.sec-dark h3{color:#fff}
.sec-dark p{color:#B9C6C2}
.sec-head{max-width:760px;margin-bottom:52px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.8rem;font-weight:700;letter-spacing:.12em;
  color:var(--kc-secondary);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--kc-secondary);display:block}
.sec-head.center .eyebrow::before{display:none}
.sec-title{font-size:clamp(1.5rem,3vw,2.3rem);font-weight:700;line-height:1.35;margin-bottom:16px}
.sec-desc{color:var(--kc-muted);font-size:1.03rem;margin:0}
.sec-dark .sec-desc{color:#A9B7B3}

/* ---------- Hero ---------- */
.hero{position:relative;padding:76px 0 96px;overflow:hidden;background:var(--kc-dark)}
.hero-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  opacity:.28;filter:saturate(.85);
}
.hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(23,32,31,.94) 0%,rgba(23,32,31,.82) 46%,rgba(31,78,74,.72) 100%);
}
.hero-mesh{
  position:absolute;inset:0;opacity:.16;
  background-image:linear-gradient(rgba(243,193,75,.5) 1px,transparent 1px),linear-gradient(90deg,rgba(243,193,75,.5) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 78% 30%,#000 0%,transparent 68%);
  -webkit-mask-image:radial-gradient(circle at 78% 30%,#000 0%,transparent 68%);
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  padding:8px 16px;border-radius:999px;
  background:rgba(243,193,75,.14);border:1px solid rgba(243,193,75,.4);
  color:var(--kc-accent);font-size:.82rem;font-weight:700;letter-spacing:.06em;
  margin-bottom:22px;
}
.hero-title{
  font-size:clamp(2rem,5vw,3.45rem);
  font-weight:800;line-height:1.22;color:#fff;
  letter-spacing:-.025em;margin-bottom:20px;
}
.hero-title span{color:var(--kc-accent)}
.hero-sub{color:#C3CFCB;font-size:1.08rem;max-width:560px;margin-bottom:30px;line-height:1.85}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:14px;
  border-top:1px solid rgba(255,255,255,.14);padding-top:24px;max-width:600px;
}
.hero-stat strong{display:block;font-size:1.5rem;font-weight:800;color:#fff;line-height:1.2}
.hero-stat span{font-size:.86rem;color:#9FB0AC}
.hero-visual{position:relative}
.login-card{
  background:#fff;border-radius:22px;padding:26px;
  box-shadow:var(--kc-shadow-lg);
  border:1px solid rgba(255,255,255,.6);
  position:relative;z-index:2;
}
.login-card-head{display:flex;align-items:center;gap:10px;padding-bottom:16px;border-bottom:1px solid var(--kc-border);margin-bottom:18px}
.login-dot{width:10px;height:10px;border-radius:50%;background:var(--kc-accent)}
.login-card-head h3{font-size:1rem;margin:0;font-weight:700}
.login-card-head small{color:var(--kc-muted);font-size:.82rem;display:block;font-weight:400}
.login-field{margin-bottom:14px}
.login-field label{display:block;font-size:.85rem;font-weight:600;color:var(--kc-muted);margin-bottom:7px}
.login-input{
  width:100%;padding:12px 14px;border-radius:12px;
  border:1px solid var(--kc-border);background:#FBFBFA;
  font-size:.95rem;color:var(--kc-ink);
}
.login-input::placeholder{color:#A2ABA8}
.login-input:focus{outline:none;border-color:var(--kc-primary);box-shadow:0 0 0 3px rgba(46,107,102,.16);background:#fff}
.login-row{display:flex;justify-content:space-between;align-items:center;font-size:.84rem;color:var(--kc-muted);margin-bottom:18px}
.login-btn{
  width:100%;padding:13px;border:none;border-radius:12px;
  background:var(--kc-primary);color:#fff;font-weight:700;font-size:.98rem;
  cursor:pointer;transition:all .22s ease;
}
.login-btn:hover{background:var(--kc-primary-dark);transform:translateY(-1px)}
.login-foot{margin-top:16px;padding-top:14px;border-top:1px dashed var(--kc-border);font-size:.82rem;color:var(--kc-muted);display:flex;justify-content:space-between}
.hero-float{
  position:absolute;right:-14px;bottom:-38px;width:210px;
  border-radius:16px;overflow:hidden;border:3px solid #fff;
  box-shadow:var(--kc-shadow-lg);z-index:3;
}
.hero-float img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-badge{
  position:absolute;left:-22px;top:44px;z-index:3;
  background:var(--kc-accent);color:#3A2B05;
  border-radius:14px;padding:12px 16px;font-weight:800;font-size:.86rem;
  box-shadow:0 16px 34px rgba(243,193,75,.4);line-height:1.4;
}
.hero-badge small{display:block;font-weight:600;font-size:.74rem;opacity:.85}

/* ---------- 优惠阶梯 ---------- */
.ladder{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;align-items:end}
.ladder-item{
  background:var(--kc-surface);border:1px solid var(--kc-border);
  border-radius:var(--kc-radius);padding:26px 22px;
  box-shadow:var(--kc-shadow);display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease;
  position:relative;overflow:hidden;
}
.ladder-item::before{content:"";position:absolute;left:0;top:0;height:5px;width:100%;background:var(--kc-primary-soft)}
.ladder-item:hover{transform:translateY(-5px);box-shadow:var(--kc-shadow-lg)}
.ladder-item:nth-child(1){min-height:262px}
.ladder-item:nth-child(2){min-height:296px}
.ladder-item:nth-child(3){min-height:330px}
.ladder-item:nth-child(4){min-height:364px}
.ladder-item:nth-child(2)::before{background:rgba(46,107,102,.4)}
.ladder-item:nth-child(3)::before{background:var(--kc-secondary)}
.ladder-item:nth-child(4)::before{background:var(--kc-accent)}
.ladder-step{
  display:inline-flex;align-items:center;gap:7px;align-self:flex-start;
  font-size:.76rem;font-weight:800;letter-spacing:.08em;
  padding:5px 12px;border-radius:999px;background:var(--kc-primary-soft);
  color:var(--kc-primary-dark);margin-bottom:16px;
}
.ladder-item:nth-child(3) .ladder-step{background:rgba(224,122,63,.14);color:var(--kc-secondary-dark)}
.ladder-item:nth-child(4) .ladder-step{background:rgba(243,193,75,.22);color:#8A6303}
.ladder-item h3{font-size:1.18rem;margin-bottom:8px}
.ladder-item .for{font-size:.85rem;color:var(--kc-muted);margin-bottom:14px}
.ladder-benefit{font-size:.95rem;color:var(--kc-ink);margin-bottom:20px;flex:1 1 auto}
.ladder-benefit strong{color:var(--kc-secondary-dark);font-size:1.35rem;font-weight:800;display:block;line-height:1.3;margin-bottom:4px}
.link-more{display:inline-flex;align-items:center;gap:7px;font-weight:700;font-size:.92rem;color:var(--kc-primary)}
.link-more:hover{gap:11px;color:var(--kc-primary-dark)}

/* ---------- 套餐对比 ---------- */
.plan-wrap{background:#fff;border-radius:22px;border:1px solid var(--kc-border);box-shadow:var(--kc-shadow);overflow:hidden}
.plan-table{width:100%;border-collapse:collapse}
.plan-table th,.plan-table td{padding:20px 18px;text-align:left;vertical-align:top;border-bottom:1px solid var(--kc-border);font-size:.95rem}
.plan-table thead th{
  background:#F3F7F5;font-size:.9rem;font-weight:800;color:var(--kc-primary-dark);
  letter-spacing:.02em;white-space:nowrap;
}
.plan-table thead th.reco{background:var(--kc-primary);color:#fff;position:relative}
.plan-table thead th.reco::after{
  content:"推荐";
  position:absolute;right:12px;top:-11px;
  background:var(--kc-accent);color:#3A2B05;font-size:.72rem;font-weight:800;
  padding:2px 9px;border-radius:999px;
}
.plan-table tbody tr{transition:background .2s ease}
.plan-table tbody tr:hover{background:#F6FAF8}
.plan-table td.reco{background:rgba(46,107,102,.05)}
.plan-name{font-weight:800;font-size:1.02rem;color:var(--kc-ink);margin-bottom:4px}
.plan-sub{font-size:.82rem;color:var(--kc-muted)}
.plan-price{font-size:1.4rem;font-weight:800;color:var(--kc-secondary-dark);line-height:1.2}
.plan-price small{font-size:.78rem;color:var(--kc-muted);font-weight:600;display:block;margin-top:4px}
.plan-feats li{font-size:.88rem;color:var(--kc-muted);padding-left:18px;position:relative;line-height:1.7}
.plan-feats li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:2px;background:var(--kc-primary)}
.kc-btn-sm{padding:10px 16px;font-size:.88rem;border-radius:11px}
.plan-cards{display:none;gap:18px;grid-template-columns:1fr}

/* ---------- 限时入口 ---------- */
.flash{
  position:relative;border-radius:24px;overflow:hidden;
  background:linear-gradient(120deg,var(--kc-dark) 0%,#24413C 60%,#2E6B66 100%);
  padding:52px 48px;color:#fff;box-shadow:var(--kc-shadow-lg);
}
.flash::after{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(243,193,75,.34),transparent 68%);
}
.flash-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center}
.flash h2{color:#fff;font-size:clamp(1.4rem,2.6vw,2rem);line-height:1.35;margin-bottom:14px}
.flash p{color:#BCCAC6;margin-bottom:0}
.countdown{display:flex;gap:12px;margin:26px 0 20px;flex-wrap:wrap}
.cd-unit{
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.18);
  border-radius:14px;padding:12px 8px;min-width:78px;text-align:center;
}
.cd-unit b{display:block;font-size:1.7rem;font-weight:800;color:var(--kc-accent);line-height:1.1;font-variant-numeric:tabular-nums}
.cd-unit span{font-size:.76rem;color:#A9B7B3}
.cd-deadline{font-size:.86rem;color:#9FB0AC;margin-bottom:16px}
.cd-deadline b{color:#fff}
.progress-track{height:9px;border-radius:999px;background:rgba(255,255,255,.14);overflow:hidden;margin-bottom:26px}
.progress-fill{height:100%;width:0;border-radius:999px;background:linear-gradient(90deg,var(--kc-accent),var(--kc-secondary));transition:width .8s ease}
.flash-side{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
  border-radius:18px;padding:26px;
}
.flash-side h3{color:#fff;font-size:1.05rem;margin-bottom:16px}
.flash-side li{display:flex;gap:10px;font-size:.92rem;color:#C6D2CE;margin-bottom:12px;line-height:1.6}
.flash-side li i{color:var(--kc-accent);margin-top:6px;font-size:.8rem}

/* ---------- 表单 ---------- */
.form-card{
  background:#fff;border:1px solid var(--kc-border);border-radius:22px;
  padding:38px;box-shadow:var(--kc-shadow);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.form-grid .full{grid-column:1/-1}
.kc-label{display:block;font-size:.88rem;font-weight:700;color:var(--kc-ink);margin-bottom:8px}
.kc-label span{color:var(--kc-danger)}
.kc-control{
  width:100%;padding:13px 15px;border-radius:12px;
  border:1px solid var(--kc-border);background:#FBFAF8;
  font-size:.96rem;color:var(--kc-ink);transition:all .2s ease;
}
.kc-control::placeholder{color:#A8B1AE}
.kc-control:focus{outline:none;background:#fff;border-color:var(--kc-primary);box-shadow:0 0 0 3px rgba(46,107,102,.16)}
.kc-control.is-error{border-color:var(--kc-danger);box-shadow:0 0 0 3px rgba(196,69,54,.12)}
textarea.kc-control{min-height:112px;resize:vertical}
.captcha-row{display:flex;gap:12px;align-items:stretch}
.captcha-box{
  flex:0 0 120px;display:flex;align-items:center;justify-content:center;
  background:var(--kc-primary-soft);border:1px dashed rgba(46,107,102,.45);
  border-radius:12px;font-size:1.25rem;font-weight:800;letter-spacing:.32em;
  color:var(--kc-primary-dark);cursor:pointer;user-select:none;
  font-style:italic;padding-left:.32em;
}
.kc-check{display:flex;gap:10px;align-items:flex-start;font-size:.88rem;color:var(--kc-muted);line-height:1.6}
.kc-check input{margin-top:5px;width:17px;height:17px;accent-color:var(--kc-primary);flex:0 0 auto}
.form-msg{font-size:.88rem;margin-top:14px;display:none;padding:11px 14px;border-radius:11px}
.form-msg.error{display:block;background:rgba(196,69,54,.1);color:var(--kc-danger)}
.form-msg.success{display:block;background:rgba(63,143,107,.12);color:var(--kc-success)}
.form-aside{
  background:var(--kc-dark);border-radius:22px;padding:34px;color:#D6E0DD;
  display:flex;flex-direction:column;justify-content:space-between;gap:26px;
}
.form-aside h3{color:#fff;font-size:1.16rem;margin-bottom:12px}
.form-aside p{color:#A6B5B1;font-size:.94rem}
.form-aside ul li{display:flex;gap:11px;font-size:.92rem;color:#C3CFCB;margin-bottom:13px;line-height:1.6}
.form-aside ul li i{color:var(--kc-accent);margin-top:6px;font-size:.78rem}
.contact-line{font-size:.92rem;color:#C3CFCB;display:flex;align-items:center;gap:10px;margin-bottom:10px}
.contact-line i{color:var(--kc-secondary)}

/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  background:#fff;border:1px solid var(--kc-border);border-radius:var(--kc-radius);
  overflow:hidden;box-shadow:var(--kc-shadow);display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--kc-shadow-lg)}
.news-thumb{display:block;overflow:hidden;position:relative}
.news-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s ease}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-body{padding:22px;display:flex;flex-direction:column;flex:1 1 auto}
.news-meta{display:flex;align-items:center;gap:10px;margin-bottom:12px;font-size:.79rem;color:var(--kc-muted)}
.news-tag{
  padding:3px 10px;border-radius:999px;background:var(--kc-primary-soft);
  color:var(--kc-primary-dark);font-weight:700;
}
.news-title{font-size:1.06rem;line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-title a{color:var(--kc-ink)}
.news-card:hover .news-title a{color:var(--kc-primary)}
.news-excerpt{font-size:.9rem;color:var(--kc-muted);line-height:1.72;margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;flex:1 1 auto}
.news-empty{
  grid-column:1/-1;text-align:center;padding:56px 24px;color:var(--kc-muted);
  background:#fff;border:1px dashed var(--kc-border);border-radius:var(--kc-radius);margin:0;
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto}
.accordion-item{
  background:#fff;border:1px solid var(--kc-border)!important;
  border-radius:16px!important;margin-bottom:14px;overflow:hidden;
}
.accordion-button{
  background:#fff;color:var(--kc-ink);font-weight:700;font-size:1rem;
  padding:20px 22px;box-shadow:none!important;gap:14px;
}
.accordion-button:not(.collapsed){background:var(--kc-primary-soft);color:var(--kc-primary-dark)}
.accordion-button::after{
  background-image:none;content:"\2b";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:.9rem;width:28px;height:28px;border-radius:50%;
  background:var(--kc-primary);color:#fff;display:flex;align-items:center;justify-content:center;
  transition:transform .25s ease;flex:0 0 auto;margin-left:auto;
}
.accordion-button:not(.collapsed)::after{transform:rotate(45deg);background:var(--kc-secondary)}
.accordion-body{padding:4px 22px 22px;color:var(--kc-muted);font-size:.95rem;line-height:1.85}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:var(--kc-dark-2);border-radius:24px;padding:46px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;
  border:1px solid rgba(255,255,255,.08);
}
.cta-band h2{color:#fff;font-size:clamp(1.3rem,2.4vw,1.8rem);margin-bottom:8px}
.cta-band p{color:#A9B7B3;margin:0}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--kc-dark);color:#B8C5C1;padding:76px 0 30px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:18px}
.footer-brand .kc-logo-mark{box-shadow:none}
.footer-brand strong{color:#fff;font-size:1.06rem;font-weight:800}
.footer-col h4{color:#fff;font-size:.98rem;margin-bottom:18px;font-weight:700}
.footer-col li{margin-bottom:11px}
.footer-col a{color:#B8C5C1;font-size:.92rem}
.footer-col a:hover{color:var(--kc-accent)}
.footer-text{font-size:.9rem;color:#93A29E;line-height:1.8;margin-bottom:18px}
.footer-qr{
  display:inline-flex;align-items:center;gap:12px;padding:12px 14px;
  border:1px solid rgba(255,255,255,.14);border-radius:14px;background:rgba(255,255,255,.04);
}
.footer-qr i{font-size:1.7rem;color:var(--kc-accent)}
.footer-qr small{display:block;color:#93A29E;font-size:.76rem}
.footer-qr b{color:#fff;font-size:.88rem}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  padding-top:24px;font-size:.85rem;color:#849390;
}
.footer-bottom a{color:#849390}
.footer-bottom a:hover{color:var(--kc-accent)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero-inner{gap:40px}
  .ladder{grid-template-columns:repeat(2,1fr)}
  .ladder-item{min-height:auto!important}
}
@media (max-width:991px){
  .kc-nav-list,.kc-nav-cta{display:none}
  .kc-burger{display:inline-flex}
  .kc-nav-panel{justify-content:space-between}
  .sec{padding:82px 0}
  .hero{padding:56px 0 76px}
  .hero-inner{grid-template-columns:1fr;gap:52px}
  .hero-sub{max-width:100%}
  .hero-visual{max-width:520px}
  .flash{padding:40px 30px}
  .flash-grid{grid-template-columns:1fr;gap:30px}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .form-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .plan-table-wrap{display:none}
  .plan-cards{display:grid}
  .cta-band{padding:36px 28px}
}
@media (max-width:767px){
  body{font-size:1rem}
  .sec{padding:66px 0}
  .sec-head{margin-bottom:36px}
  .hero-stats{grid-template-columns:1fr 1fr;gap:18px}
  .hero-badge{left:0;top:-18px;font-size:.78rem}
  .hero-float{position:static;width:100%;margin-top:18px;border-width:2px}
  .ladder{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .form-card{padding:26px 20px}
  .form-aside{padding:26px 20px}
  .captcha-row{flex-direction:column}
  .captcha-box{flex:1 1 auto;height:52px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .accordion-button{font-size:.95rem;padding:17px 18px}
  .cta-band{flex-direction:column;align-items:flex-start}
  .kc-btn{width:100%}
  .flash-actions .kc-btn{width:100%}
}
@media (max-width:520px){
  .kc-container{padding:0 16px}
  .hero{padding:44px 0 62px}
  .hero-title{font-size:1.85rem}
  .hero-stats{grid-template-columns:1fr}
  .cd-unit{min-width:64px;padding:10px 6px}
  .cd-unit b{font-size:1.32rem}
  .sec-title{font-size:1.42rem}
  .kc-logo-text{font-size:.94rem}
}

/* roulang page: article */
:root{
  --kc-primary:#2E6B66;
  --kc-primary-dark:#1F4E4A;
  --kc-primary-soft:#E4EFEC;
  --kc-secondary:#E07A3F;
  --kc-accent:#F3C14B;
  --kc-bg:#F7F5F0;
  --kc-surface:#FFFFFF;
  --kc-ink:#1B2422;
  --kc-muted:#66706D;
  --kc-border:rgba(27,36,34,.12);
  --kc-dark:#17201F;
  --kc-success:#3F8F6B;
  --kc-danger:#C44536;
  --kc-radius-lg:20px;
  --kc-radius:16px;
  --kc-radius-sm:12px;
  --kc-shadow:0 12px 30px rgba(23,32,31,.08);
  --kc-shadow-hover:0 18px 44px rgba(23,32,31,.14);
  --kc-gap:24px;
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--kc-bg);
  color:var(--kc-ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  font-size:1rem;
  line-height:1.75;
  letter-spacing:.01em;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--kc-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--kc-secondary);}
ul,ol{padding-left:1.2em;}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4,h5{letter-spacing:-.01em;color:var(--kc-ink);margin:0 0 .4em;}
p{margin:0 0 1em;}
::selection{background:var(--kc-accent);color:var(--kc-dark);}

.kc-container{
  width:100%;
  max-width:1260px;
  margin:0 auto;
  padding:0 20px;
}

/* ============ header / nav ============ */
.kc-header{
  position:sticky;
  top:0;
  z-index:1030;
  padding:14px 0;
  background:rgba(247,245,240,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--kc-border);
}
.kc-nav-panel{
  display:flex;
  align-items:center;
  gap:18px;
  background:var(--kc-surface);
  border:1px solid var(--kc-border);
  border-radius:var(--kc-radius-lg);
  box-shadow:var(--kc-shadow);
  padding:10px 14px;
}
.kc-logo{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  color:var(--kc-ink);
}
.kc-logo:hover{color:var(--kc-primary);}
.kc-logo-mark{
  width:38px;height:38px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:linear-gradient(140deg,var(--kc-primary),var(--kc-primary-dark));
  color:#fff;
  flex-shrink:0;
}
.kc-logo-mark svg{
  width:21px;height:21px;
  fill:none;stroke:currentColor;stroke-width:1.7;
  stroke-linecap:round;stroke-linejoin:round;
}
.kc-logo-text{
  font-size:1.06rem;
  font-weight:800;
  line-height:1.1;
  white-space:nowrap;
}
.kc-logo-text em{
  font-style:normal;
  color:var(--kc-primary);
}
.kc-nav-list{
  display:flex;
  align-items:center;
  gap:6px;
  list-style:none;
  margin:0 auto;
  padding:0;
}
.kc-nav-link{
  display:inline-block;
  padding:9px 14px;
  border-radius:12px;
  font-size:.94rem;
  font-weight:600;
  color:var(--kc-ink);
  border:1px solid transparent;
  transition:all .2s ease;
}
.kc-nav-link:hover{
  background:var(--kc-primary-soft);
  color:var(--kc-primary-dark);
  border-color:rgba(46,107,102,.18);
}
.kc-nav-link.is-active{
  background:var(--kc-dark);
  color:#fff;
  border-color:var(--kc-dark);
}
.kc-nav-cta{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:11px 20px;
  border-radius:13px;
  background:var(--kc-secondary);
  color:#fff;
  font-weight:700;
  font-size:.94rem;
  white-space:nowrap;
  box-shadow:0 8px 20px rgba(224,122,63,.28);
  transition:all .2s ease;
}
.kc-nav-cta:hover{
  background:#c9682f;
  color:#fff;
  transform:translateY(-2px);
}
.kc-burger{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--kc-border);
  background:var(--kc-bg);
  color:var(--kc-ink);
  font-size:1.05rem;
}
.kc-offcanvas{background:var(--kc-bg);}
.kc-offcanvas .offcanvas-header{border-bottom:1px solid var(--kc-border);}
.kc-offcanvas .offcanvas-title{font-weight:800;}
.kc-mnav-link{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 16px;
  margin-bottom:10px;
  border-radius:14px;
  background:var(--kc-surface);
  border:1px solid var(--kc-border);
  color:var(--kc-ink);
  font-weight:600;
}
.kc-mnav-link.is-active{background:var(--kc-dark);color:#fff;border-color:var(--kc-dark);}
.kc-mnav-cta{
  display:block;
  text-align:center;
  padding:14px;
  margin-top:6px;
  border-radius:14px;
  background:var(--kc-secondary);
  color:#fff;
  font-weight:700;
}
.kc-mnav-cta:hover{color:#fff;background:#c9682f;}

/* ============ 通用组件 ============ */
.kc-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  padding:13px 26px;
  border-radius:13px;
  font-weight:700;
  font-size:.97rem;
  border:1px solid transparent;
  cursor:pointer;
  transition:all .22s ease;
}
.kc-btn-primary{
  background:var(--kc-primary);
  color:#fff;
  box-shadow:0 10px 24px rgba(46,107,102,.26);
}
.kc-btn-primary:hover{background:var(--kc-primary-dark);color:#fff;transform:translateY(-2px);}
.kc-btn-outline{
  background:transparent;
  color:var(--kc-primary-dark);
  border-color:rgba(46,107,102,.4);
}
.kc-btn-outline:hover{background:var(--kc-primary-soft);color:var(--kc-primary-dark);border-color:var(--kc-primary);}
.kc-btn-accent{
  background:var(--kc-accent);
  color:var(--kc-dark);
  box-shadow:0 10px 24px rgba(243,193,75,.35);
}
.kc-btn-accent:hover{background:#e5b13c;color:var(--kc-dark);transform:translateY(-2px);}
.kc-btn:focus-visible,
.kc-nav-link:focus-visible,
.kc-nav-cta:focus-visible,
.kc-mnav-link:focus-visible,
a:focus-visible,
button:focus-visible{
  outline:2px solid var(--kc-primary);
  outline-offset:2px;
}
.kc-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  border-radius:999px;
  font-size:.78rem;
  font-weight:700;
  letter-spacing:.03em;
  background:var(--kc-primary-soft);
  color:var(--kc-primary-dark);
}
.kc-tag-accent{background:rgba(243,193,75,.24);color:#8a6110;}

.kc-section{padding:84px 0;}
.kc-section-head{max-width:720px;margin-bottom:38px;}
.kc-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.8rem;font-weight:800;letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--kc-secondary);
  margin-bottom:12px;
}
.kc-section-title{
  font-size:clamp(1.5rem,3vw,2.3rem);
  font-weight:700;
  margin-bottom:12px;
}
.kc-section-desc{color:var(--kc-muted);font-size:1rem;margin:0;}

/* ============ 文章 Hero ============ */
.kc-article-hero{
  position:relative;
  overflow:hidden;
  padding:72px 0 78px;
  background-color:var(--kc-dark);
  background-image:linear-gradient(120deg,rgba(23,32,31,.94),rgba(31,78,74,.86)),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  color:#F2F5F3;
}
.kc-article-hero::after{
  content:"";
  position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.09) 1px,transparent 1px);
  background-size:26px 26px;
  opacity:.5;
  pointer-events:none;
}
.kc-article-hero .kc-container{position:relative;z-index:2;}
.kc-crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:.86rem;
  color:rgba(242,245,243,.72);
  margin-bottom:22px;
}
.kc-crumbs a{color:rgba(242,245,243,.86);}
.kc-crumbs a:hover{color:var(--kc-accent);}
.kc-crumbs span.sep{opacity:.45;}
.kc-crumbs .current{color:var(--kc-accent);}
.kc-hero-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px;
  margin-bottom:18px;
}
.kc-hero-meta .kc-tag{
  background:rgba(243,193,75,.18);
  color:var(--kc-accent);
}
.kc-hero-meta .kc-meta-item{
  font-size:.86rem;
  color:rgba(242,245,243,.78);
  display:inline-flex;align-items:center;gap:7px;
}
.kc-article-title{
  font-size:clamp(1.75rem,3.6vw,2.9rem);
  font-weight:800;
  line-height:1.28;
  color:#fff;
  max-width:900px;
  margin:0 0 18px;
}
.kc-article-lead{
  max-width:820px;
  color:rgba(242,245,243,.82);
  font-size:1.03rem;
  margin:0 0 26px;
}
.kc-hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.kc-hero-actions .kc-btn-outline{
  color:#F2F5F3;
  border-color:rgba(242,245,243,.38);
}
.kc-hero-actions .kc-btn-outline:hover{
  background:rgba(242,245,243,.12);
  color:#fff;
  border-color:rgba(242,245,243,.6);
}

/* ============ 正文阅读区 ============ */
.kc-article-wrap{padding:64px 0 12px;}
.kc-article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:34px;
  align-items:start;
}
.kc-prose-card{
  background:var(--kc-surface);
  border:1px solid var(--kc-border);
  border-radius:var(--kc-radius-lg);
  box-shadow:var(--kc-shadow);
  padding:38px 40px;
}
.kc-prose{
  max-width:800px;
  font-size:1.0625rem;
  line-height:1.9;
  color:#243029;
}
.kc-prose > *:last-child{margin-bottom:0;}
.kc-prose h2{
  font-size:1.5rem;
  font-weight:750;
  margin:1.9em 0 .7em;
  padding-left:14px;
  border-left:5px solid var(--kc-primary);
  line-height:1.45;
}
.kc-prose h3{
  font-size:1.22rem;
  font-weight:700;
  margin:1.6em 0 .6em;
  color:var(--kc-primary-dark);
}
.kc-prose h4{font-size:1.06rem;font-weight:700;margin:1.4em 0 .5em;}
.kc-prose p{margin:0 0 1em;}
.kc-prose a{color:var(--kc-primary);border-bottom:1px solid rgba(46,107,102,.35);}
.kc-prose a:hover{color:var(--kc-secondary);border-bottom-color:var(--kc-secondary);}
.kc-prose ul,.kc-prose ol{margin:0 0 1.1em;padding-left:1.35em;}
.kc-prose li{margin-bottom:.5em;}
.kc-prose ul li::marker{color:var(--kc-primary);font-weight:700;}
.kc-prose ol li::marker{color:var(--kc-secondary);font-weight:700;}
.kc-prose blockquote{
  margin:1.4em 0;
  padding:16px 22px;
  background:var(--kc-primary-soft);
  border-left:4px solid var(--kc-primary);
  border-radius:0 14px 14px 0;
  color:var(--kc-primary-dark);
  font-style:normal;
}
.kc-prose blockquote p:last-child{margin-bottom:0;}
.kc-prose img{
  border-radius:14px;
  margin:1.4em 0;
  box-shadow:0 10px 26px rgba(23,32,31,.1);
}
.kc-prose figure{margin:1.5em 0;}
.kc-prose figure figcaption{
  margin-top:10px;
  font-size:.86rem;
  color:var(--kc-muted);
  text-align:center;
}
.kc-prose code{
  background:rgba(46,107,102,.1);
  color:var(--kc-primary-dark);
  padding:2px 7px;
  border-radius:7px;
  font-size:.92em;
}
.kc-prose pre{
  background:var(--kc-dark);
  color:#E7EFEC;
  padding:18px 20px;
  border-radius:14px;
  overflow-x:auto;
  font-size:.9rem;
  line-height:1.7;
}
.kc-prose pre code{background:none;color:inherit;padding:0;}
.kc-prose table{
  width:100%;
  border-collapse:separate;
  border-spacing:0;
  margin:1.5em 0;
  border:1px solid var(--kc-border);
  border-radius:14px;
  overflow:hidden;
  font-size:.95rem;
}
.kc-prose table th{
  background:var(--kc-primary-soft);
  color:var(--kc-primary-dark);
  font-weight:700;
  text-align:left;
  padding:12px 16px;
}
.kc-prose table td{
  padding:12px 16px;
  border-top:1px solid var(--kc-border);
}
.kc-prose table tr:hover td{background:rgba(46,107,102,.05);}
.kc-prose hr{border:none;border-top:1px solid var(--kc-border);margin:2em 0;}

.kc-empty{
  text-align:center;
  padding:34px 18px;
}
.kc-empty i{
  font-size:2.2rem;
  color:var(--kc-primary);
  margin-bottom:14px;
}
.kc-empty h2{font-size:1.35rem;font-weight:750;border:none;padding:0;margin:0 0 10px;}
.kc-empty p{color:var(--kc-muted);margin-bottom:20px;}

/* ============ 侧栏 ============ */
.kc-side{display:flex;flex-direction:column;gap:22px;position:sticky;top:104px;}
.kc-side-card{
  background:var(--kc-surface);
  border:1px solid var(--kc-border);
  border-radius:var(--kc-radius);
  box-shadow:var(--kc-shadow);
  padding:24px;
}
.kc-side-card h3{
  font-size:1.05rem;
  font-weight:750;
  margin-bottom:14px;
}
.kc-side-list{list-style:none;padding:0;margin:0;}
.kc-side-list li{
  border-bottom:1px dashed var(--kc-border);
  padding:11px 0;
  font-size:.94rem;
}
.kc-side-list li:last-child{border-bottom:none;padding-bottom:0;}
.kc-side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  color:var(--kc-ink);font-weight:600;
}
.kc-side-list a:hover{color:var(--kc-primary);}
.kc-side-list i{color:var(--kc-secondary);font-size:.78rem;}
.kc-side-dark{
  background:linear-gradient(150deg,var(--kc-dark),#223330);
  color:#E9F0ED;
  border-color:transparent;
}
.kc-side-dark h3{color:#fff;}
.kc-side-dark p{color:rgba(233,240,237,.78);font-size:.94rem;}
.kc-side-dark .kc-btn{width:100%;margin-top:6px;}
.kc-stat-row{display:flex;gap:14px;margin-top:16px;}
.kc-stat{
  flex:1;
  background:rgba(243,193,75,.14);
  border:1px solid rgba(243,193,75,.32);
  border-radius:14px;
  padding:12px;
  text-align:center;
}
.kc-stat b{display:block;font-size:1.25rem;color:var(--kc-accent);line-height:1.2;}
.kc-stat small{font-size:.76rem;color:rgba(233,240,237,.75);}

/* ============ 相关推荐 ============ */
.kc-related{padding:36px 0 84px;}
.kc-related-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:var(--kc-gap);
}
.kc-card{
  position:relative;
  display:flex;
  flex-direction:column;
  background:var(--kc-surface);
  border:1px solid var(--kc-border);
  border-radius:var(--kc-radius);
  box-shadow:var(--kc-shadow);
  overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.kc-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--kc-shadow-hover);
  border-color:rgba(46,107,102,.3);
}
.kc-card-media{
  aspect-ratio:16/9;
  overflow:hidden;
  background:linear-gradient(140deg,var(--kc-primary),var(--kc-primary-dark));
}
.kc-card-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .4s ease;
}
.kc-card:hover .kc-card-media img{transform:scale(1.05);}
.kc-card-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1;}
.kc-card-title{
  font-size:1.05rem;
  font-weight:700;
  line-height:1.5;
  margin:10px 0 10px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.kc-card:hover .kc-card-title{color:var(--kc-primary);}
.kc-card-text{
  color:var(--kc-muted);
  font-size:.93rem;
  line-height:1.75;
  margin:0 0 16px;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.kc-card-meta{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:.82rem;
  color:var(--kc-muted);
  border-top:1px solid var(--kc-border);
  padding-top:14px;
}
.kc-card-meta .kc-card-link{font-weight:700;color:var(--kc-primary);}
.kc-card-meta .kc-card-link i{margin-left:5px;}

/* ============ CTA ============ */
.kc-cta{padding:0 0 96px;}
.kc-cta-panel{
  position:relative;
  overflow:hidden;
  border-radius:26px;
  background-color:var(--kc-dark);
  background-image:linear-gradient(115deg,rgba(23,32,31,.95),rgba(46,107,102,.88)),url('/assets/images/backpic/back-3.webp');
  background-size:cover;
  background-position:center;
  color:#fff;
  padding:56px 46px;
  box-shadow:0 24px 60px rgba(23,32,31,.24);
}
.kc-cta-panel::after{
  content:"";
  position:absolute;
  right:-60px;top:-60px;
  width:280px;height:280px;
  border-radius:50%;
  border:1px solid rgba(243,193,75,.3);
  pointer-events:none;
}
.kc-cta-inner{position:relative;z-index:2;max-width:720px;}
.kc-cta-panel h2{
  color:#fff;
  font-size:clamp(1.4rem,2.8vw,2.1rem);
  font-weight:750;
  margin-bottom:14px;
}
.kc-cta-panel p{color:rgba(242,245,243,.84);margin-bottom:26px;}
.kc-cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ============ footer ============ */
.site-footer{
  background:var(--kc-dark);
  color:rgba(233,240,237,.78);
  padding:66px 0 26px;
  font-size:.94rem;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:34px;
}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  color:#fff;font-size:1.05rem;font-weight:800;
  margin-bottom:16px;
}
.footer-text{color:rgba(233,240,237,.7);line-height:1.8;font-size:.92rem;}
.footer-qr{
  display:flex;align-items:center;gap:12px;
  margin-top:18px;
  padding:12px 14px;
  border:1px solid rgba(233,240,237,.18);
  border-radius:14px;
  background:rgba(233,240,237,.05);
}
.footer-qr i{font-size:1.6rem;color:var(--kc-accent);}
.footer-qr b{display:block;color:#fff;font-size:.9rem;}
.footer-qr small{color:rgba(233,240,237,.6);}
.footer-col h4{
  color:#fff;
  font-size:.98rem;
  font-weight:700;
  margin-bottom:16px;
}
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col li{margin-bottom:11px;}
.footer-col a{color:rgba(233,240,237,.74);}
.footer-col a:hover{color:var(--kc-accent);}
.footer-bottom{
  margin-top:44px;
  padding-top:20px;
  border-top:1px solid rgba(233,240,237,.14);
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  justify-content:space-between;
  font-size:.83rem;
  color:rgba(233,240,237,.55);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .kc-article-layout{grid-template-columns:minmax(0,1fr) 288px;gap:26px;}
  .kc-nav-link{padding:8px 10px;font-size:.9rem;}
}
@media (max-width:991.98px){
  .kc-nav-list{display:none;}
  .kc-nav-cta{display:none;}
  .kc-burger{display:inline-flex;align-items:center;justify-content:center;margin-left:auto;}
  .kc-nav-panel{gap:12px;}
  .kc-article-layout{grid-template-columns:1fr;}
  .kc-side{position:static;}
  .kc-related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .kc-section{padding:68px 0;}
  .kc-prose-card{padding:30px 26px;}
}
@media (max-width:767.98px){
  .kc-article-hero{padding:54px 0 60px;}
  .kc-article-wrap{padding:44px 0 8px;}
  .kc-prose{font-size:1rem;line-height:1.88;}
  .kc-prose h2{font-size:1.28rem;}
  .kc-prose h3{font-size:1.12rem;}
  .kc-cta-panel{padding:38px 24px;border-radius:20px;}
  .kc-related-grid{grid-template-columns:1fr;}
  .kc-section{padding:56px 0;}
  .kc-hero-actions .kc-btn,.kc-cta-actions .kc-btn{width:100%;}
}
@media (max-width:575.98px){
  .kc-container{padding:0 16px;}
  .kc-logo-text{font-size:.98rem;}
  .kc-prose-card{padding:24px 18px;border-radius:16px;}
  .kc-article-title{font-size:1.6rem;}
  .kc-article-lead{font-size:.96rem;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .kc-stat-row{flex-direction:column;}
}

/* roulang page: category1 */
:root{
  --kc-primary:#2E6B66;
  --kc-primary-dark:#1F4E4A;
  --kc-secondary:#E07A3F;
  --kc-accent:#F3C14B;
  --kc-bg:#F7F5F0;
  --kc-surface:#FFFFFF;
  --kc-ink:#1B2422;
  --kc-muted:#66706D;
  --kc-border:rgba(27,36,34,.12);
  --kc-dark:#17201F;
  --kc-success:#3F8F6B;
  --kc-danger:#C44536;
  --kc-radius-lg:20px;
  --kc-radius:16px;
  --kc-radius-sm:12px;
  --kc-shadow:0 12px 30px rgba(23,32,31,.08);
  --kc-shadow-hover:0 18px 40px rgba(23,32,31,.14);
  --bs-primary:#2E6B66;
  --bs-primary-rgb:46,107,102;
  --bs-body-bg:#F7F5F0;
  --bs-body-color:#1B2422;
  --bs-border-color:rgba(27,36,34,.12);
  --bs-link-color:#2E6B66;
  --bs-link-hover-color:#1F4E4A;
  --bs-font-sans-serif:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  background:var(--kc-bg);
  color:var(--kc-ink);
  font-size:1rem;
  line-height:1.8;
  letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--kc-primary);text-decoration:none;transition:color .22s ease,opacity .22s ease}
a:hover{color:var(--kc-primary-dark)}
button,input,select,textarea{font-family:inherit;font-size:inherit}
h1,h2,h3,h4,h5{color:var(--kc-ink);letter-spacing:-.015em;margin:0}
h1{font-weight:800;line-height:1.2}
h2{font-weight:700;font-size:clamp(1.5rem,3vw,2.3rem);line-height:1.3}
h3{font-weight:650;font-size:1.25rem;line-height:1.4}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--kc-primary);outline-offset:2px;border-radius:6px}

.kc-container{width:100%;max-width:1260px;margin:0 auto;padding:0 24px}

/* ============ 头部导航 ============ */
.kc-header{
  position:sticky;top:0;z-index:1030;
  padding:16px 0 10px;
  background:linear-gradient(180deg,rgba(247,245,240,.96) 0%,rgba(247,245,240,.82) 100%);
  backdrop-filter:blur(10px);
}
.kc-nav-panel{
  display:flex;align-items:center;gap:18px;
  background:var(--kc-surface);
  border:1px solid var(--kc-border);
  border-radius:var(--kc-radius-lg);
  padding:12px 18px;
  box-shadow:var(--kc-shadow);
}
.kc-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.kc-logo-mark{
  width:38px;height:38px;flex:0 0 auto;
  display:grid;place-items:center;
  border-radius:12px;
  background:linear-gradient(135deg,var(--kc-primary) 0%,var(--kc-primary-dark) 100%);
  box-shadow:0 6px 16px rgba(46,107,102,.28);
}
.kc-logo-mark svg{width:21px;height:21px;fill:none;stroke:#F7F5F0;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.kc-logo-text{
  font-weight:800;font-size:1.06rem;line-height:1.15;color:var(--kc-ink);
  display:flex;flex-direction:column;letter-spacing:-.02em;
}
.kc-logo-text em{font-style:normal;font-size:.74rem;font-weight:600;color:var(--kc-muted);letter-spacing:.08em}
.kc-nav-list{display:flex;align-items:center;gap:6px;margin:0 0 0 auto;flex-wrap:wrap}
.kc-nav-link{
  display:inline-flex;align-items:center;
  padding:9px 14px;border-radius:12px;
  font-size:.94rem;font-weight:600;color:var(--kc-muted);
  border:1px solid transparent;
  transition:all .22s ease;
}
.kc-nav-link:hover{background:#F1F4F1;color:var(--kc-primary-dark);border-color:var(--kc-border)}
.kc-nav-link.is-active{
  background:rgba(46,107,102,.10);
  color:var(--kc-primary-dark);
  border-color:rgba(46,107,102,.28);
}
.kc-nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--kc-secondary);color:#fff;font-weight:700;font-size:.93rem;
  padding:11px 20px;border-radius:13px;white-space:nowrap;
  box-shadow:0 10px 22px rgba(224,122,63,.28);
  transition:all .22s ease;
}
.kc-nav-cta:hover{background:#c96a33;color:#fff;transform:translateY(-1px);box-shadow:0 14px 26px rgba(224,122,63,.34)}
.kc-burger{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--kc-border);background:#fff;color:var(--kc-ink);
  font-size:1.05rem;
}
.kc-offcanvas{background:var(--kc-bg);max-width:88vw}
.kc-offcanvas .offcanvas-header{border-bottom:1px solid var(--kc-border);padding:20px 22px}
.kc-offcanvas .offcanvas-title{font-size:1.05rem;font-weight:800}
.kc-offcanvas .offcanvas-body{padding:18px 22px 32px;display:flex;flex-direction:column;gap:10px}
.kc-mnav-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 16px;border-radius:14px;background:#fff;
  border:1px solid var(--kc-border);font-weight:600;color:var(--kc-ink);
}
.kc-mnav-link i{color:var(--kc-muted);font-size:.78rem}
.kc-mnav-link.is-active{background:rgba(46,107,102,.10);border-color:rgba(46,107,102,.3);color:var(--kc-primary-dark)}
.kc-mnav-cta{
  margin-top:8px;display:block;text-align:center;
  background:var(--kc-secondary);color:#fff;font-weight:700;
  padding:14px 18px;border-radius:14px;
}
.kc-mnav-cta:hover{color:#fff;background:#c96a33}

/* ============ 通用区块 ============ */
.kc-section{padding:96px 0}
.kc-section--tight{padding:72px 0}
.kc-section-head{max-width:760px;margin-bottom:48px}
.kc-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.78rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--kc-primary);background:rgba(46,107,102,.10);
  border:1px solid rgba(46,107,102,.18);
  padding:6px 14px;border-radius:999px;margin-bottom:18px;
}
.kc-section-head p{color:var(--kc-muted);font-size:1.03rem;margin-top:14px}
.kc-card{
  background:var(--kc-surface);
  border:1px solid var(--kc-border);
  border-radius:var(--kc-radius);
  padding:26px;
  box-shadow:var(--kc-shadow);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
  height:100%;
}
.kc-card:hover{transform:translateY(-3px);box-shadow:var(--kc-shadow-hover);border-color:rgba(46,107,102,.24)}
.kc-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:13px;font-weight:700;font-size:.98rem;
  border:1px solid transparent;cursor:pointer;transition:all .22s ease;
}
.kc-btn-primary{background:var(--kc-primary);color:#fff;box-shadow:0 10px 24px rgba(46,107,102,.26)}
.kc-btn-primary:hover{background:var(--kc-primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 16px 30px rgba(46,107,102,.32)}
.kc-btn-secondary{background:transparent;color:var(--kc-primary-dark);border-color:rgba(46,107,102,.35)}
.kc-btn-secondary:hover{background:rgba(46,107,102,.10);color:var(--kc-primary-dark);transform:translateY(-2px)}
.kc-btn-accent{background:var(--kc-accent);color:#3a2c05;box-shadow:0 10px 24px rgba(243,193,75,.32)}
.kc-btn-accent:hover{background:#e3ad33;color:#3a2c05;transform:translateY(-2px)}
.kc-btn-block{width:100%}
.kc-tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:.78rem;font-weight:700;color:var(--kc-primary-dark);
  background:rgba(46,107,102,.10);border:1px solid rgba(46,107,102,.18);
  padding:4px 11px;border-radius:999px;
}
.kc-tag--warm{color:#8a4a1c;background:rgba(224,122,63,.13);border-color:rgba(224,122,63,.26)}
.kc-tag--yellow{color:#7a5a08;background:rgba(243,193,75,.22);border-color:rgba(243,193,75,.4)}

/* ============ 面包屑 ============ */
.kc-crumb{padding:8px 0 0;font-size:.86rem;color:var(--kc-muted)}
.kc-crumb ol{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.kc-crumb li{display:flex;align-items:center;gap:8px}
.kc-crumb li::after{content:"/";color:rgba(27,36,34,.28)}
.kc-crumb li:last-child::after{display:none}
.kc-crumb [aria-current]{color:var(--kc-ink);font-weight:600}

/* ============ Hero ============ */
.kc-hero{
  position:relative;overflow:hidden;
  border-radius:26px;
  margin-top:18px;
  background-image:linear-gradient(115deg,rgba(23,32,31,.94) 0%,rgba(23,32,31,.80) 46%,rgba(31,78,74,.62) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  border:1px solid rgba(255,255,255,.08);
  box-shadow:0 24px 60px rgba(23,32,31,.28);
}
.kc-hero-inner{
  padding:64px 54px;
  display:grid;grid-template-columns:1.08fr .92fr;gap:46px;align-items:center;
  position:relative;z-index:2;
}
.kc-hero-copy .kc-eyebrow{color:#BEDAD5;background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.18)}
.kc-hero h1{
  color:#fff;font-size:clamp(2rem,4.4vw,3.2rem);margin-bottom:20px;
}
.kc-hero h1 span{color:var(--kc-accent)}
.kc-hero-sub{color:rgba(247,245,240,.86);font-size:1.06rem;max-width:560px;margin-bottom:28px}
.kc-hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px}
.kc-hero-cta .kc-btn-secondary{color:#F7F5F0;border-color:rgba(255,255,255,.34)}
.kc-hero-cta .kc-btn-secondary:hover{background:rgba(255,255,255,.14);color:#fff}
.kc-hero-stats{display:flex;flex-wrap:wrap;gap:14px}
.kc-stat{
  background:rgba(255,255,255,.09);
  border:1px solid rgba(255,255,255,.16);
  border-radius:14px;padding:12px 18px;min-width:132px;
}
.kc-stat b{display:block;color:#fff;font-size:1.32rem;font-weight:800;line-height:1.2}
.kc-stat span{color:rgba(247,245,240,.72);font-size:.82rem}

/* 登录面板模拟卡 */
.kc-panel{
  background:rgba(247,245,240,.97);
  border-radius:20px;
  border:1px solid rgba(255,255,255,.5);
  box-shadow:0 26px 60px rgba(0,0,0,.34);
  padding:24px;
}
.kc-panel-top{display:flex;align-items:center;gap:8px;margin-bottom:18px}
.kc-dot{width:10px;height:10px;border-radius:50%;background:rgba(27,36,34,.16)}
.kc-dot:nth-child(1){background:var(--kc-secondary)}
.kc-dot:nth-child(2){background:var(--kc-accent)}
.kc-dot:nth-child(3){background:var(--kc-success)}
.kc-panel-title{margin-left:auto;font-size:.8rem;color:var(--kc-muted);font-weight:600}
.kc-field{margin-bottom:14px}
.kc-field label{display:block;font-size:.82rem;font-weight:700;color:var(--kc-muted);margin-bottom:6px}
.kc-input{
  width:100%;padding:12px 14px;border-radius:12px;
  border:1px solid var(--kc-border);background:#fff;color:var(--kc-ink);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.kc-input:focus{outline:none;border-color:var(--kc-primary);box-shadow:0 0 0 3px rgba(46,107,102,.16)}
.kc-field-row{display:grid;grid-template-columns:1fr 96px;gap:10px;align-items:end}
.kc-code-box{
  height:46px;border-radius:12px;border:1px dashed rgba(46,107,102,.4);
  display:grid;place-items:center;font-weight:800;color:var(--kc-primary-dark);
  background:rgba(46,107,102,.07);letter-spacing:.18em;font-size:.95rem;
}
.kc-panel-note{font-size:.78rem;color:var(--kc-muted);text-align:center;margin-top:12px}

/* ============ 步骤时间线 ============ */
.kc-steps{position:relative;display:grid;gap:20px}
.kc-step{
  display:grid;grid-template-columns:76px 1fr;gap:22px;align-items:stretch;
}
.kc-step-num{
  width:76px;height:76px;border-radius:20px;display:grid;place-items:center;
  font-weight:800;font-size:1.5rem;color:#fff;
  background:linear-gradient(140deg,var(--kc-primary) 0%,var(--kc-primary-dark) 100%);
  box-shadow:0 12px 26px rgba(46,107,102,.26);position:relative;
}
.kc-step-num::after{
  content:"";position:absolute;left:50%;top:100%;width:2px;height:calc(100% + 4px);
  transform:translateX(-50%);
  background:linear-gradient(180deg,rgba(46,107,102,.35),rgba(46,107,102,0));
}
.kc-step:last-child .kc-step-num::after{display:none}
.kc-step:nth-child(4) .kc-step-num,
.kc-step:nth-child(6) .kc-step-num{background:linear-gradient(140deg,var(--kc-secondary) 0%,#c4632d 100%);box-shadow:0 12px 26px rgba(224,122,63,.26)}
.kc-step-body{
  background:var(--kc-surface);border:1px solid var(--kc-border);border-radius:var(--kc-radius);
  padding:24px 26px;box-shadow:var(--kc-shadow);
  transition:transform .24s ease,box-shadow .24s ease;
}
.kc-step-body:hover{transform:translateY(-3px);box-shadow:var(--kc-shadow-hover)}
.kc-step-body h3{margin-bottom:10px}
.kc-step-body p{color:var(--kc-muted);font-size:.96rem;margin-bottom:14px}
.kc-step-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.kc-step-meta .kc-tag{font-weight:600}

/* ============ 图文区块 ============ */
.kc-scene{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.kc-scene-card{
  background:var(--kc-surface);border:1px solid var(--kc-border);border-radius:var(--kc-radius);
  overflow:hidden;box-shadow:var(--kc-shadow);height:100%;
  display:flex;flex-direction:column;
  transition:transform .24s ease,box-shadow .24s ease;
}
.kc-scene-card:hover{transform:translateY(-4px);box-shadow:var(--kc-shadow-hover)}
.kc-scene-card figure{margin:0;aspect-ratio:16/9;overflow:hidden;background:rgba(46,107,102,.10)}
.kc-scene-card img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.kc-scene-card:hover img{transform:scale(1.05)}
.kc-scene-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.kc-scene-body h3{font-size:1.1rem}
.kc-scene-body p{color:var(--kc-muted);font-size:.94rem;margin:0}

/* ============ 准备清单 ============ */
.kc-split{display:grid;grid-template-columns:.95fr 1.05fr;gap:44px;align-items:center}
.kc-split-media{border-radius:22px;overflow:hidden;border:1px solid var(--kc-border);box-shadow:var(--kc-shadow)}
.kc-split-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.kc-check-list{display:grid;gap:14px;margin-top:26px}
.kc-check{
  display:grid;grid-template-columns:40px 1fr;gap:14px;align-items:start;
  background:var(--kc-surface);border:1px solid var(--kc-border);
  border-radius:var(--kc-radius-sm);padding:16px 18px;
}
.kc-check i{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:rgba(46,107,102,.10);color:var(--kc-primary-dark);font-size:.95rem;
}
.kc-check b{display:block;font-size:1rem;margin-bottom:2px}
.kc-check span{color:var(--kc-muted);font-size:.9rem}

/* ============ 适配卡（属性面板） ============ */
.kc-attrs{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.kc-attr{
  background:var(--kc-dark);color:#E8EFEC;border-radius:var(--kc-radius);
  padding:24px;border:1px solid rgba(255,255,255,.08);
  transition:transform .24s ease,border-color .24s ease;
}
.kc-attr:hover{transform:translateY(-4px);border-color:rgba(243,193,75,.4)}
.kc-attr i{color:var(--kc-accent);font-size:1.3rem;margin-bottom:14px;display:block}
.kc-attr b{display:block;font-size:1.02rem;color:#fff;margin-bottom:8px}
.kc-attr p{color:rgba(232,239,236,.72);font-size:.9rem;margin:0}
.kc-attr ul{margin-top:12px;display:grid;gap:6px}
.kc-attr li{font-size:.86rem;color:rgba(232,239,236,.66);display:flex;gap:8px}
.kc-attr li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--kc-accent);margin-top:9px;flex:0 0 auto}

/* ============ FAQ ============ */
.kc-faq{display:grid;gap:14px;max-width:940px;margin:0 auto}
.kc-faq .accordion-item{
  border:1px solid var(--kc-border)!important;border-radius:var(--kc-radius-sm)!important;
  overflow:hidden;background:var(--kc-surface);box-shadow:0 6px 18px rgba(23,32,31,.05);
}
.kc-faq .accordion-button{
  background:var(--kc-surface);color:var(--kc-ink);font-weight:700;font-size:1.02rem;
  padding:20px 22px;box-shadow:none!important;
}
.kc-faq .accordion-button:not(.collapsed){background:rgba(46,107,102,.06);color:var(--kc-primary-dark)}
.kc-faq .accordion-button::after{
  background-image:none;content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:.85rem;color:var(--kc-primary);width:auto;height:auto;
  transition:transform .24s ease;transform-origin:center;
}
.kc-faq .accordion-button:not(.collapsed)::after{content:"\f068";transform:rotate(0deg)}
.kc-faq .accordion-body{padding:6px 22px 22px;color:var(--kc-muted);font-size:.96rem;line-height:1.85}

/* ============ CTA / 表单 ============ */
.kc-cta-wrap{
  background:linear-gradient(140deg,var(--kc-primary-dark) 0%,var(--kc-primary) 100%);
  border-radius:26px;padding:52px;color:#fff;
  display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start;
  box-shadow:0 26px 60px rgba(31,78,74,.3);
  position:relative;overflow:hidden;
}
.kc-cta-wrap::before{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(243,193,75,.34),rgba(243,193,75,0) 70%);
}
.kc-cta-copy{position:relative;z-index:2}
.kc-cta-copy h2{color:#fff}
.kc-cta-copy p{color:rgba(247,245,240,.82);margin-top:16px}
.kc-cta-points{margin-top:26px;display:grid;gap:12px}
.kc-cta-points li{display:flex;gap:10px;align-items:flex-start;color:rgba(247,245,240,.9);font-size:.95rem}
.kc-cta-points i{color:var(--kc-accent);margin-top:5px}
.kc-form{
  position:relative;z-index:2;
  background:var(--kc-surface);border-radius:20px;padding:28px;
  box-shadow:0 20px 46px rgba(0,0,0,.2);
}
.kc-form h3{margin-bottom:6px}
.kc-form-sub{color:var(--kc-muted);font-size:.88rem;margin-bottom:20px}
.kc-form .form-label{font-size:.86rem;font-weight:700;color:var(--kc-ink);margin-bottom:6px}
.kc-form .form-control,.kc-form .form-select{
  border-radius:12px;border:1px solid var(--kc-border);padding:11px 14px;
  background:#fff;color:var(--kc-ink);transition:border-color .2s ease,box-shadow .2s ease;
}
.kc-form .form-control:focus,.kc-form .form-select:focus{
  border-color:var(--kc-primary);box-shadow:0 0 0 3px rgba(46,107,102,.16);
}
.kc-form .form-check-input:checked{background-color:var(--kc-primary);border-color:var(--kc-primary)}
.kc-form .form-check-label{font-size:.85rem;color:var(--kc-muted)}
.kc-hint{font-size:.78rem;color:var(--kc-muted);margin-top:6px}
.kc-state-error{font-size:.78rem;color:var(--kc-danger);margin-top:6px;display:none}
.kc-state-error.show{display:block}
.kc-success{
  display:none;margin-top:16px;background:rgba(63,143,107,.10);
  border:1px solid rgba(63,143,107,.3);color:#2c6a4e;
  border-radius:12px;padding:12px 16px;font-size:.88rem;
}
.kc-success.show{display:block}

/* ============ 页脚 ============ */
.site-footer{background:var(--kc-dark);color:rgba(232,239,236,.78);margin-top:96px;padding:72px 0 26px}
.site-footer h4{color:#fff;font-size:1rem;font-weight:700;margin-bottom:18px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand strong{color:#fff;font-size:1.05rem;font-weight:800}
.footer-text{font-size:.92rem;line-height:1.85;color:rgba(232,239,236,.68);max-width:400px}
.footer-qr{
  display:flex;gap:12px;align-items:center;margin-top:20px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);
  border-radius:14px;padding:14px 16px;max-width:320px;
}
.footer-qr i{font-size:1.7rem;color:var(--kc-accent)}
.footer-qr b{display:block;color:#fff;font-size:.9rem;font-weight:700}
.footer-qr small{color:rgba(232,239,236,.6);font-size:.78rem}
.footer-col ul{display:grid;gap:10px}
.footer-col a{color:rgba(232,239,236,.72);font-size:.92rem;transition:color .2s ease}
.footer-col a:hover{color:var(--kc-accent)}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:.84rem;color:rgba(232,239,236,.55);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .kc-nav-list{gap:4px}
  .kc-nav-link{padding:8px 11px;font-size:.9rem}
  .kc-attrs{grid-template-columns:repeat(2,1fr)}
  .kc-hero-inner{padding:52px 40px;gap:34px}
}
@media (max-width:991.98px){
  .kc-nav-list,.kc-nav-cta{display:none}
  .kc-burger{display:grid;place-items:center;margin-left:auto}
  .kc-nav-panel{gap:12px}
  .kc-hero-inner{grid-template-columns:1fr;padding:44px 32px}
  .kc-scene{grid-template-columns:repeat(2,1fr)}
  .kc-split{grid-template-columns:1fr;gap:32px}
  .kc-cta-wrap{grid-template-columns:1fr;padding:40px 32px;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .kc-section{padding:76px 0}
}
@media (max-width:767.98px){
  .kc-container{padding:0 18px}
  .kc-header{padding:10px 0 6px}
  .kc-nav-panel{padding:10px 14px;border-radius:16px}
  .kc-logo-text{font-size:.98rem}
  .kc-hero{border-radius:20px}
  .kc-hero-inner{padding:34px 22px}
  .kc-hero-stats{gap:10px}
  .kc-stat{flex:1 1 132px;padding:10px 14px}
  .kc-scene{grid-template-columns:1fr}
  .kc-attrs{grid-template-columns:1fr}
  .kc-step{grid-template-columns:1fr;gap:12px}
  .kc-step-num{width:56px;height:56px;font-size:1.2rem;border-radius:16px}
  .kc-step-num::after{display:none}
  .kc-section{padding:62px 0}
  .kc-section-head{margin-bottom:34px}
  .kc-cta-wrap{padding:30px 20px;border-radius:20px}
  .kc-form{padding:22px}
  .footer-grid{grid-template-columns:1fr}
  .site-footer{padding:56px 0 22px;margin-top:68px}
  .kc-crumb{font-size:.8rem}
}
@media (max-width:519.98px){
  body{font-size:.97rem}
  .kc-btn{width:100%}
  .kc-hero-cta{gap:10px}
  .kc-logo-text em{letter-spacing:.04em}
}

/* roulang page: category3 */
:root{
  --kc-primary:#2E6B66;
  --kc-primary-dark:#1F4E4A;
  --kc-secondary:#E07A3F;
  --kc-accent:#F3C14B;
  --kc-bg:#F7F5F0;
  --kc-surface:#FFFFFF;
  --kc-ink:#1B2422;
  --kc-muted:#66706D;
  --kc-border:rgba(27,36,34,.12);
  --kc-dark:#17201F;
  --kc-success:#3F8F6B;
  --kc-danger:#C44536;
  --kc-radius:18px;
  --kc-radius-sm:12px;
  --kc-radius-lg:24px;
  --kc-shadow:0 12px 30px rgba(23,32,31,.08);
  --kc-shadow-lg:0 22px 48px rgba(23,32,31,.16);
  --kc-gap:24px;

  --bs-primary:#2E6B66;
  --bs-primary-rgb:46,107,102;
  --bs-body-color:#1B2422;
  --bs-body-bg:#F7F5F0;
  --bs-border-color:rgba(27,36,34,.12);
  --bs-link-color:#2E6B66;
  --bs-link-hover-color:#1F4E4A;
  --bs-font-sans-serif:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --bs-body-font-family:var(--bs-font-sans-serif);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--kc-bg);
  color:var(--kc-ink);
  font-family:var(--bs-font-sans-serif);
  font-size:1.0625rem;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--kc-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--kc-primary-dark);}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;line-height:1.28;color:var(--kc-ink);}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--kc-primary);outline-offset:2px;border-radius:6px;}

.kc-container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px;}

/* ---------- 按钮 ---------- */
.kc-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:14px;font-weight:600;font-size:1rem;
  border:1px solid transparent;cursor:pointer;line-height:1.2;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.kc-btn-primary{background:var(--kc-primary);color:#fff;box-shadow:0 10px 22px rgba(46,107,102,.26);}
.kc-btn-primary:hover{background:var(--kc-primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 16px 30px rgba(46,107,102,.32);}
.kc-btn-secondary{background:var(--kc-secondary);color:#fff;box-shadow:0 10px 22px rgba(224,122,63,.26);}
.kc-btn-secondary:hover{background:#c96832;color:#fff;transform:translateY(-2px);box-shadow:0 16px 30px rgba(224,122,63,.32);}
.kc-btn-ghost{background:transparent;color:var(--kc-ink);border-color:var(--kc-border);}
.kc-btn-ghost:hover{background:rgba(46,107,102,.08);border-color:rgba(46,107,102,.4);color:var(--kc-primary-dark);transform:translateY(-2px);}
.kc-btn-light{background:rgba(255,255,255,.1);color:#F2F5F4;border-color:rgba(255,255,255,.24);}
.kc-btn-light:hover{background:rgba(255,255,255,.18);color:#fff;border-color:rgba(255,255,255,.5);}
.kc-btn-block{width:100%;}
.kc-btn[disabled],.kc-btn:disabled{opacity:.55;cursor:not-allowed;transform:none;}
.kc-link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--kc-primary);}
.kc-link-arrow:hover{gap:11px;color:var(--kc-primary-dark);}

/* ---------- 标签 / 徽章 ---------- */
.kc-tag{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;border-radius:999px;font-size:.8125rem;font-weight:600;
  background:rgba(46,107,102,.1);color:var(--kc-primary-dark);letter-spacing:.02em;
}
.kc-tag-warn{background:rgba(224,122,63,.14);color:#A9501F;}
.kc-tag-accent{background:rgba(243,193,75,.24);color:#8A6512;}
.kc-tag-dark{background:rgba(255,255,255,.12);color:#EDF2F0;}

.kc-badge-dot{width:8px;height:8px;border-radius:50%;background:var(--kc-success);display:inline-block;box-shadow:0 0 0 4px rgba(63,143,107,.18);}
.kc-badge-dot.warn{background:var(--kc-accent);box-shadow:0 0 0 4px rgba(243,193,75,.2);}
.kc-badge-dot.danger{background:var(--kc-danger);box-shadow:0 0 0 4px rgba(196,69,54,.18);}

/* ---------- 导航 ---------- */
.kc-header{
  position:sticky;top:0;z-index:1030;
  padding:16px 0 12px;
  background:linear-gradient(180deg,rgba(247,245,240,.96) 0%,rgba(247,245,240,.86) 70%,rgba(247,245,240,0) 100%);
  backdrop-filter:blur(8px);
}
.kc-nav-panel{
  display:flex;align-items:center;gap:20px;
  background:var(--kc-surface);
  border:1px solid var(--kc-border);
  border-radius:var(--kc-radius-lg);
  box-shadow:var(--kc-shadow);
  padding:12px 16px;
}
.kc-logo{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.kc-logo-mark{
  width:42px;height:42px;border-radius:13px;
  background:linear-gradient(140deg,var(--kc-primary) 0%,var(--kc-primary-dark) 100%);
  display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;
}
.kc-logo-mark svg{width:24px;height:24px;fill:none;stroke:#F3C14B;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.kc-logo-text{font-size:1.0625rem;font-weight:800;color:var(--kc-ink);letter-spacing:-.01em;line-height:1.15;}
.kc-logo-text em{font-style:normal;color:var(--kc-primary);display:block;font-size:.8125rem;font-weight:600;letter-spacing:.06em;margin-top:2px;}

.kc-nav-list{display:flex;align-items:center;gap:8px;flex:1;justify-content:center;flex-wrap:nowrap;}
.kc-nav-link{
  display:inline-flex;align-items:center;
  padding:9px 15px;border-radius:12px;
  font-size:.9375rem;font-weight:600;color:var(--kc-muted);
  border:1px solid transparent;white-space:nowrap;
  transition:all .18s ease;
}
.kc-nav-link:hover{color:var(--kc-primary-dark);background:rgba(46,107,102,.07);border-color:rgba(46,107,102,.14);}
.kc-nav-link.is-active{color:var(--kc-primary-dark);background:rgba(46,107,102,.1);border-color:rgba(46,107,102,.26);}
.kc-nav-cta{
  display:inline-flex;align-items:center;gap:8px;flex-shrink:0;
  padding:11px 20px;border-radius:13px;font-size:.9375rem;font-weight:700;
  background:var(--kc-secondary);color:#fff;
  box-shadow:0 8px 18px rgba(224,122,63,.28);
  transition:all .18s ease;
}
.kc-nav-cta:hover{background:#c96832;color:#fff;transform:translateY(-2px);}
.kc-burger{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--kc-border);background:var(--kc-bg);color:var(--kc-ink);
  align-items:center;justify-content:center;font-size:1.0625rem;flex-shrink:0;
}
.kc-burger:hover{background:rgba(46,107,102,.1);color:var(--kc-primary-dark);}

.kc-offcanvas{background:var(--kc-bg);border-left:1px solid var(--kc-border);}
.kc-offcanvas .offcanvas-header{border-bottom:1px solid var(--kc-border);padding:20px;}
.kc-offcanvas .offcanvas-title{font-size:1.0625rem;font-weight:800;color:var(--kc-ink);}
.kc-offcanvas .offcanvas-body{padding:18px;display:flex;flex-direction:column;gap:10px;}
.kc-mnav-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 16px;border-radius:14px;background:var(--kc-surface);
  border:1px solid var(--kc-border);font-weight:600;color:var(--kc-ink);
}
.kc-mnav-link i{color:var(--kc-muted);font-size:.8125rem;}
.kc-mnav-link.is-active{border-color:rgba(46,107,102,.36);background:rgba(46,107,102,.08);color:var(--kc-primary-dark);}
.kc-mnav-cta{
  margin-top:8px;text-align:center;padding:15px;border-radius:14px;
  background:var(--kc-secondary);color:#fff;font-weight:700;
}
.kc-mnav-cta:hover{background:#c96832;color:#fff;}

/* ---------- 通用板块 ---------- */
.kc-section{padding:96px 0;}
.kc-section-tight{padding:72px 0;}
.kc-section-dark{background:var(--kc-dark);color:#E9EFED;}
.kc-section-soft{background:rgba(46,107,102,.05);}
.kc-section-head{max-width:760px;margin-bottom:48px;}
.kc-section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.kc-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.8125rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  color:var(--kc-secondary);margin-bottom:14px;
}
.kc-section-title{font-size:clamp(1.5rem,3vw,2.3rem);font-weight:700;}
.kc-section-sub{margin-top:14px;color:var(--kc-muted);font-size:1.0625rem;}
.kc-section-dark .kc-section-title{color:#fff;}
.kc-section-dark .kc-section-sub{color:rgba(233,239,237,.72);}

/* ---------- Hero ---------- */
.kc-hero{
  position:relative;overflow:hidden;padding:72px 0 88px;
  background-image:
    linear-gradient(110deg,rgba(23,32,31,.94) 0%,rgba(23,32,31,.82) 46%,rgba(31,78,74,.68) 100%),
    url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.kc-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:64px 64px;opacity:.5;
}
.kc-hero .kc-container{position:relative;z-index:2;}
.kc-hero-crumb{display:flex;align-items:center;gap:9px;font-size:.875rem;color:rgba(233,239,237,.7);margin-bottom:22px;}
.kc-hero-crumb a{color:rgba(233,239,237,.72);}
.kc-hero-crumb a:hover{color:var(--kc-accent);}
.kc-hero-crumb span{color:#fff;font-weight:600;}
.kc-hero h1{
  color:#fff;font-size:clamp(2rem,4.4vw,3.3rem);font-weight:800;
  max-width:16em;
}
.kc-hero h1 mark{background:none;color:var(--kc-accent);padding:0;}
.kc-hero-lead{color:rgba(233,239,237,.82);font-size:1.0625rem;max-width:38em;margin-top:22px;}
.kc-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.kc-hero-meta{display:flex;flex-wrap:wrap;gap:26px;margin-top:38px;padding-top:26px;border-top:1px solid rgba(255,255,255,.14);}
.kc-hero-meta div{min-width:120px;}
.kc-hero-meta strong{display:block;font-size:1.5rem;font-weight:800;color:var(--kc-accent);line-height:1.2;}
.kc-hero-meta span{font-size:.875rem;color:rgba(233,239,237,.68);}

/* 验证面板 */
.kc-panel{
  background:rgba(9,16,15,.72);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--kc-radius-lg);
  box-shadow:var(--kc-shadow-lg);
  padding:26px;backdrop-filter:blur(6px);
}
.kc-panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid rgba(255,255,255,.12);}
.kc-panel-head b{color:#fff;font-size:1rem;font-weight:700;}
.kc-panel-list{margin-top:18px;display:flex;flex-direction:column;gap:14px;}
.kc-panel-item{
  display:flex;align-items:flex-start;gap:13px;padding:14px 16px;
  border-radius:14px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);
}
.kc-panel-item .ico{
  width:34px;height:34px;border-radius:10px;flex-shrink:0;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(46,107,102,.35);color:var(--kc-accent);font-size:.875rem;
}
.kc-panel-item b{display:block;color:#fff;font-size:.9375rem;font-weight:650;}
.kc-panel-item small{display:block;color:rgba(233,239,237,.62);font-size:.8125rem;line-height:1.6;margin-top:3px;}
.kc-panel-bar{margin-top:20px;}
.kc-panel-bar .bar{height:8px;border-radius:999px;background:rgba(255,255,255,.12);overflow:hidden;}
.kc-panel-bar .bar i{display:block;height:100%;width:82%;border-radius:999px;background:linear-gradient(90deg,var(--kc-primary) 0%,var(--kc-accent) 100%);}
.kc-panel-bar .meta{display:flex;justify-content:space-between;font-size:.8125rem;color:rgba(233,239,237,.66);margin-top:9px;}

/* ---------- 卡片 ---------- */
.kc-card{
  background:var(--kc-surface);border:1px solid var(--kc-border);
  border-radius:var(--kc-radius);box-shadow:var(--kc-shadow);
  padding:26px;height:100%;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.kc-card:hover{transform:translateY(-3px);box-shadow:var(--kc-shadow-lg);border-color:rgba(46,107,102,.3);}
.kc-card-icon{
  width:48px;height:48px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(46,107,102,.12);color:var(--kc-primary-dark);font-size:1.125rem;margin-bottom:18px;
}
.kc-card h3{font-size:1.1875rem;font-weight:700;margin-bottom:10px;}
.kc-card p{color:var(--kc-muted);font-size:.9375rem;line-height:1.75;}
.kc-card-list{margin-top:16px;display:flex;flex-direction:column;gap:9px;}
.kc-card-list li{position:relative;padding-left:20px;font-size:.90625rem;color:var(--kc-ink);}
.kc-card-list li::before{content:"";position:absolute;left:0;top:.62em;width:7px;height:7px;border-radius:2px;background:var(--kc-secondary);}
.kc-card-media{padding:0;overflow:hidden;}
.kc-card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.kc-card-media .body{padding:24px 26px 26px;}

/* ---------- 验证强度对照 ---------- */
.kc-level-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.kc-level{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--kc-radius);padding:24px;
  display:flex;flex-direction:column;gap:12px;
  transition:transform .2s ease,background-color .2s ease,border-color .2s ease;
}
.kc-level:hover{transform:translateY(-3px);background:rgba(255,255,255,.09);border-color:rgba(243,193,75,.5);}
.kc-level .num{font-size:.8125rem;font-weight:700;letter-spacing:.14em;color:var(--kc-accent);}
.kc-level h3{color:#fff;font-size:1.125rem;font-weight:700;}
.kc-level p{color:rgba(233,239,237,.72);font-size:.90625rem;}
.kc-level ul{display:flex;flex-direction:column;gap:8px;margin-top:6px;}
.kc-level ul li{font-size:.875rem;color:rgba(233,239,237,.86);padding-left:18px;position:relative;}
.kc-level ul li::before{content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;border-radius:50%;background:var(--kc-primary);}
.kc-level.is-featured{background:linear-gradient(160deg,rgba(46,107,102,.4) 0%,rgba(23,32,31,.6) 100%);border-color:rgba(243,193,75,.55);}

/* ---------- 时间线 ---------- */
.kc-timeline{position:relative;padding-left:34px;}
.kc-timeline::before{content:"";position:absolute;left:11px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,var(--kc-primary) 0%,rgba(46,107,102,.15) 100%);}
.kc-tl-item{position:relative;padding-bottom:32px;}
.kc-tl-item:last-child{padding-bottom:0;}
.kc-tl-item::before{
  content:"";position:absolute;left:-30px;top:6px;width:14px;height:14px;border-radius:50%;
  background:var(--kc-surface);border:3px solid var(--kc-primary);
}
.kc-tl-item h3{font-size:1.0625rem;font-weight:700;margin-bottom:7px;}
.kc-tl-item p{color:var(--kc-muted);font-size:.9375rem;margin:0;}
.kc-tl-item .time{display:inline-block;font-size:.8125rem;font-weight:700;color:var(--kc-secondary);margin-bottom:6px;letter-spacing:.04em;}

/* ---------- FAQ 手风琴 ---------- */
.kc-accordion{display:flex;flex-direction:column;gap:14px;}
.kc-acc-item{background:var(--kc-surface);border:1px solid var(--kc-border);border-radius:var(--kc-radius);overflow:hidden;box-shadow:0 6px 18px rgba(23,32,31,.05);}
.kc-acc-item.is-open{border-color:rgba(46,107,102,.4);}
.kc-acc-btn{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;background:transparent;border:0;text-align:left;
  font-size:1.0625rem;font-weight:700;color:var(--kc-ink);cursor:pointer;
}
.kc-acc-btn:hover{color:var(--kc-primary-dark);}
.kc-acc-btn .sign{
  width:30px;height:30px;border-radius:9px;flex-shrink:0;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(46,107,102,.1);color:var(--kc-primary-dark);font-size:.8125rem;
  transition:transform .25s ease,background-color .25s ease;
}
.kc-acc-btn[aria-expanded="true"] .sign{transform:rotate(135deg);background:var(--kc-primary);color:#fff;}
.kc-acc-body{padding:0 24px 22px;color:var(--kc-muted);font-size:.9375rem;line-height:1.85;}
.kc-acc-body strong{color:var(--kc-ink);}

/* ---------- 文档列表 ---------- */
.kc-doc-list{display:flex;flex-direction:column;gap:14px;}
.kc-doc-item{
  display:flex;align-items:center;gap:18px;
  background:var(--kc-surface);border:1px solid var(--kc-border);border-radius:var(--kc-radius);
  padding:20px 24px;box-shadow:0 6px 18px rgba(23,32,31,.05);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.kc-doc-item:hover{transform:translateY(-2px);box-shadow:var(--kc-shadow-lg);border-color:rgba(46,107,102,.3);}
.kc-doc-item .ico{
  width:46px;height:46px;border-radius:13px;flex-shrink:0;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(224,122,63,.12);color:var(--kc-secondary);font-size:1.0625rem;
}
.kc-doc-item .txt{flex:1;min-width:0;}
.kc-doc-item h3{font-size:1.0625rem;font-weight:700;margin-bottom:5px;}
.kc-doc-item h3 a{color:var(--kc-ink);}
.kc-doc-item h3 a:hover{color:var(--kc-primary);}
.kc-doc-item p{color:var(--kc-muted);font-size:.875rem;margin:0;}
.kc-doc-item .tags{display:flex;gap:8px;flex-shrink:0;flex-wrap:wrap;}
.kc-doc-item .go{color:var(--kc-muted);flex-shrink:0;}

/* ---------- 表单 ---------- */
.kc-form-card{
  background:var(--kc-surface);border:1px solid var(--kc-border);
  border-radius:var(--kc-radius-lg);box-shadow:var(--kc-shadow-lg);
  padding:34px;
}
.kc-field{margin-bottom:20px;}
.kc-field label{display:block;font-size:.90625rem;font-weight:650;margin-bottom:8px;color:var(--kc-ink);}
.kc-field label .req{color:var(--kc-danger);margin-left:3px;}
.kc-input,.kc-select,.kc-textarea{
  width:100%;padding:13px 16px;border-radius:12px;
  border:1px solid var(--kc-border);background:var(--kc-bg);
  color:var(--kc-ink);transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.kc-textarea{min-height:112px;resize:vertical;}
.kc-input::placeholder,.kc-textarea::placeholder{color:#9AA3A0;}
.kc-input:focus,.kc-select:focus,.kc-textarea:focus{
  outline:none;background:#fff;border-color:var(--kc-primary);
  box-shadow:0 0 0 4px rgba(46,107,102,.16);
}
.kc-check{display:flex;align-items:flex-start;gap:10px;font-size:.875rem;color:var(--kc-muted);}
.kc-check input{margin-top:5px;width:17px;height:17px;accent-color:var(--kc-primary);flex-shrink:0;}
.kc-field-hint{font-size:.8125rem;color:var(--kc-muted);margin-top:7px;}
.kc-form-note{background:rgba(46,107,102,.07);border-left:4px solid var(--kc-primary);border-radius:10px;padding:14px 18px;font-size:.875rem;color:var(--kc-muted);margin-top:18px;}

/* ---------- CTA 条 ---------- */
.kc-cta-band{
  border-radius:var(--kc-radius-lg);padding:48px;
  background:linear-gradient(120deg,var(--kc-primary-dark) 0%,var(--kc-primary) 58%,#357A72 100%);
  color:#fff;position:relative;overflow:hidden;box-shadow:var(--kc-shadow-lg);
}
.kc-cta-band::after{
  content:"";position:absolute;right:-70px;top:-70px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(243,193,75,.34) 0%,rgba(243,193,75,0) 68%);
}
.kc-cta-band h2{color:#fff;font-size:clamp(1.5rem,2.6vw,2.05rem);position:relative;}
.kc-cta-band p{color:rgba(255,255,255,.86);max-width:44em;position:relative;margin-top:14px;}
.kc-cta-band .acts{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;position:relative;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--kc-dark);color:#D8E1DF;padding:72px 0 30px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.footer-brand .kc-logo-mark{width:40px;height:40px;border-radius:12px;}
.footer-brand strong{color:#fff;font-size:1.0625rem;font-weight:800;}
.footer-text{color:rgba(216,225,223,.72);font-size:.9375rem;line-height:1.8;}
.footer-qr{
  margin-top:20px;display:flex;align-items:center;gap:14px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  border-radius:14px;padding:14px 16px;
}
.footer-qr i{font-size:1.75rem;color:var(--kc-accent);}
.footer-qr b{display:block;color:#fff;font-size:.9375rem;font-weight:650;}
.footer-qr small{color:rgba(216,225,223,.6);font-size:.8125rem;}
.footer-col h4{color:#fff;font-size:1rem;font-weight:700;margin-bottom:18px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{color:rgba(216,225,223,.76);font-size:.9375rem;}
.footer-col a:hover{color:var(--kc-accent);}
.footer-bottom{
  margin-top:52px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:.875rem;color:rgba(216,225,223,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .kc-nav-link{padding:8px 11px;font-size:.875rem;}
  .kc-logo-text{font-size:1rem;}
  .kc-level-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991.98px){
  .kc-nav-list,.kc-nav-cta{display:none;}
  .kc-burger{display:inline-flex;}
  .kc-nav-panel{justify-content:space-between;}
  .kc-section{padding:76px 0;}
  .kc-section-tight{padding:60px 0;}
  .kc-hero{padding:56px 0 68px;}
  .kc-cta-band{padding:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .kc-doc-item .tags{display:none;}
}
@media (max-width:767.98px){
  .kc-container{padding:0 18px;}
  body{font-size:1rem;}
  .kc-section{padding:60px 0;}
  .kc-section-tight{padding:52px 0;}
  .kc-hero{padding:44px 0 56px;}
  .kc-hero-actions .kc-btn{flex:1 1 100%;}
  .kc-hero-meta{gap:18px;}
  .kc-hero-meta div{min-width:calc(50% - 9px);}
  .kc-level-grid{grid-template-columns:1fr;}
  .kc-timeline{padding-left:26px;}
  .kc-cta-band{padding:28px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .kc-form-card{padding:24px;}
  .kc-doc-item{flex-wrap:wrap;}
  .kc-acc-btn{padding:17px 18px;font-size:1rem;}
  .kc-acc-body{padding:0 18px 18px;}
}
@media (max-width:519.98px){
  .kc-hero h1{font-size:1.75rem;}
  .kc-section-title{font-size:1.4rem;}
  .kc-btn{padding:12px 20px;font-size:.9375rem;}
  .kc-card{padding:22px;}
  .kc-hero-meta div{min-width:100%;}
  .kc-doc-item{padding:18px;}
  .kc-cta-band .acts .kc-btn{width:100%;}
}

/* roulang page: category2 */
:root{
  --kc-primary:#2E6B66;
  --kc-primary-dark:#1F4E4A;
  --kc-secondary:#E07A3F;
  --kc-accent:#F3C14B;
  --kc-bg:#F7F5F0;
  --kc-surface:#FFFFFF;
  --kc-ink:#1B2422;
  --kc-muted:#66706D;
  --kc-border:rgba(27,36,34,.12);
  --kc-dark:#17201F;
  --kc-success:#3F8F6B;
  --kc-danger:#C44536;
  --kc-radius:18px;
  --kc-radius-sm:12px;
  --kc-shadow:0 12px 30px rgba(23,32,31,.08);
  --kc-shadow-lg:0 24px 54px rgba(23,32,31,.16);
  --kc-gap:24px;
  --bs-primary:#2E6B66;
  --bs-primary-rgb:46,107,102;
  --bs-body-bg:#F7F5F0;
  --bs-body-color:#1B2422;
  --bs-border-color:rgba(27,36,34,.12);
  --bs-link-color:#2E6B66;
  --bs-link-hover-color:#1F4E4A;
  --bs-font-sans-serif:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  font-size:1.0625rem;
  line-height:1.8;
  color:var(--kc-ink);
  background:var(--kc-bg);
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .22s ease,background-color .22s ease,border-color .22s ease}
a:hover{color:var(--kc-primary)}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.3}
p{margin:0}
:focus-visible{outline:2px solid var(--kc-primary);outline-offset:2px;border-radius:6px}

.kc-container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px}

/* ---------- 顶部导航 ---------- */
.kc-header{position:sticky;top:0;z-index:1040;padding:14px 0;background:rgba(247,245,240,.86);backdrop-filter:blur(10px);border-bottom:1px solid var(--kc-border)}
.kc-nav-panel{
  display:flex;align-items:center;gap:20px;
  background:var(--kc-surface);
  border:1px solid var(--kc-border);
  border-radius:20px;
  box-shadow:var(--kc-shadow);
  padding:12px 18px;
}
.kc-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.kc-logo-mark{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--kc-primary),var(--kc-primary-dark));
  box-shadow:0 8px 18px rgba(46,107,102,.32);
}
.kc-logo-mark svg{width:22px;height:22px;fill:none;stroke:#F3C14B;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.kc-logo-text{font-size:1rem;font-weight:800;color:var(--kc-ink);white-space:nowrap}
.kc-logo-text em{font-style:normal;color:var(--kc-primary)}
.kc-nav-list{display:flex;align-items:center;gap:6px;margin:0 auto;padding:0}
.kc-nav-link{
  display:inline-block;padding:9px 14px;border-radius:12px;
  font-size:.9375rem;font-weight:600;color:var(--kc-muted);
  border:1px solid transparent;
}
.kc-nav-link:hover{color:var(--kc-primary-dark);background:rgba(46,107,102,.07);border-color:rgba(46,107,102,.14)}
.kc-nav-link.is-active{color:#fff;background:linear-gradient(140deg,var(--kc-primary),var(--kc-primary-dark));box-shadow:0 10px 20px rgba(46,107,102,.26)}
.kc-nav-cta{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;
  padding:11px 20px;border-radius:14px;font-size:.9375rem;font-weight:700;color:#fff;
  background:linear-gradient(140deg,var(--kc-secondary),#c9662f);
  box-shadow:0 12px 24px rgba(224,122,63,.3);
}
.kc-nav-cta:hover{color:#fff;transform:translateY(-1px);box-shadow:0 16px 30px rgba(224,122,63,.36)}
.kc-burger{
  display:none;border:1px solid var(--kc-border);background:var(--kc-bg);
  width:42px;height:42px;border-radius:12px;color:var(--kc-primary-dark);font-size:1.05rem;
}
.kc-burger:hover{background:rgba(46,107,102,.1)}
.kc-offcanvas{background:var(--kc-surface);width:320px}
.kc-offcanvas .offcanvas-header{border-bottom:1px solid var(--kc-border);padding:18px 20px}
.kc-offcanvas .offcanvas-title{font-size:1.0625rem;font-weight:800;color:var(--kc-primary-dark)}
.kc-offcanvas .offcanvas-body{padding:16px 20px 28px;display:flex;flex-direction:column;gap:8px}
.kc-mnav-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:13px 16px;border-radius:14px;font-weight:600;font-size:.9375rem;
  background:var(--kc-bg);border:1px solid var(--kc-border);color:var(--kc-ink);
}
.kc-mnav-link i{color:var(--kc-muted);font-size:.75rem}
.kc-mnav-link:hover{border-color:rgba(46,107,102,.3);color:var(--kc-primary-dark)}
.kc-mnav-link.is-active{background:linear-gradient(140deg,var(--kc-primary),var(--kc-primary-dark));color:#fff;border-color:transparent}
.kc-mnav-link.is-active i{color:rgba(255,255,255,.75)}
.kc-mnav-cta{
  margin-top:10px;text-align:center;padding:14px 18px;border-radius:14px;font-weight:700;color:#fff;
  background:linear-gradient(140deg,var(--kc-secondary),#c9662f);
}
.kc-mnav-cta:hover{color:#fff}

/* ---------- 通用区块 ---------- */
.kc-section{padding:104px 0}
.kc-section--tight{padding:76px 0}
.kc-section--dark{background:var(--kc-dark);color:#EDEFEA}
.kc-section--dark .kc-h2,.kc-section--dark .kc-lead{color:#F4F6F1}
.kc-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;font-size:.8125rem;font-weight:700;letter-spacing:.04em;
  color:var(--kc-primary-dark);background:rgba(46,107,102,.1);border:1px solid rgba(46,107,102,.2);
}
.kc-eyebrow--light{color:var(--kc-accent);background:rgba(243,193,75,.12);border-color:rgba(243,193,75,.3)}
.kc-h2{font-size:clamp(1.5rem,3vw,2.3rem);font-weight:700;margin:16px 0 14px}
.kc-h3{font-size:1.25rem;font-weight:650}
.kc-lead{color:var(--kc-muted);font-size:1.0625rem;line-height:1.85;max-width:760px}
.kc-section-head{margin-bottom:48px}
.kc-section-head--center{text-align:center}
.kc-section-head--center .kc-lead{margin:0 auto}

/* ---------- 按钮 ---------- */
.kc-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;border-radius:14px;font-size:1rem;font-weight:700;
  border:1px solid transparent;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.kc-btn--primary{background:linear-gradient(140deg,var(--kc-primary),var(--kc-primary-dark));color:#fff;box-shadow:0 14px 28px rgba(46,107,102,.28)}
.kc-btn--primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 34px rgba(46,107,102,.34)}
.kc-btn--accent{background:linear-gradient(140deg,var(--kc-secondary),#c9662f);color:#fff;box-shadow:0 14px 28px rgba(224,122,63,.3)}
.kc-btn--accent:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 34px rgba(224,122,63,.36)}
.kc-btn--ghost{background:transparent;color:var(--kc-primary-dark);border-color:rgba(46,107,102,.35)}
.kc-btn--ghost:hover{background:rgba(46,107,102,.09);border-color:var(--kc-primary);transform:translateY(-2px)}
.kc-btn--light{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.34)}
.kc-btn--light:hover{background:rgba(255,255,255,.2);color:#fff;transform:translateY(-2px)}
.kc-btn--sm{padding:10px 18px;font-size:.9375rem;border-radius:12px}
.kc-btn--block{width:100%}
.kc-btn:disabled,.kc-btn.is-disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}
.kc-link-arrow{display:inline-flex;align-items:center;gap:7px;font-weight:700;color:var(--kc-primary);border-bottom:1px solid rgba(46,107,102,.35);padding-bottom:2px}
.kc-link-arrow:hover{color:var(--kc-primary-dark);border-color:var(--kc-primary-dark)}

/* ---------- Hero ---------- */
.kc-hero{position:relative;isolation:isolate;color:#fff;padding:92px 0 96px;overflow:hidden;background:var(--kc-dark)}
.kc-hero::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background-image:linear-gradient(112deg,rgba(15,25,24,.95) 0%,rgba(23,32,31,.9) 42%,rgba(46,107,102,.72) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.kc-hero::after{
  content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;
  background-image:radial-gradient(circle at 82% 18%,rgba(243,193,75,.22),transparent 46%),radial-gradient(circle at 8% 88%,rgba(224,122,63,.18),transparent 42%);
}
.kc-crumb{display:flex;align-items:center;gap:10px;font-size:.875rem;color:rgba(255,255,255,.65);margin-bottom:22px;flex-wrap:wrap}
.kc-crumb a{color:rgba(255,255,255,.82)}
.kc-crumb a:hover{color:var(--kc-accent)}
.kc-crumb span.current{color:var(--kc-accent);font-weight:700}
.kc-hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}
.kc-hero h1{font-size:clamp(2rem,4.4vw,3.3rem);font-weight:800;color:#fff;letter-spacing:-.02em}
.kc-hero-sub{margin-top:20px;font-size:1.0625rem;line-height:1.9;color:rgba(255,255,255,.82);max-width:600px}
.kc-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.kc-trust{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px}
.kc-trust-item{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 15px;border-radius:999px;font-size:.875rem;font-weight:600;
  color:rgba(255,255,255,.9);background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.18);
}
.kc-trust-item i{color:var(--kc-accent)}

.kc-price-panel{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.18);
  border-radius:22px;
  padding:24px;
  box-shadow:0 30px 60px rgba(0,0,0,.32);
  backdrop-filter:blur(6px);
}
.kc-price-panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}
.kc-price-panel-head b{font-size:1rem;letter-spacing:.01em}
.kc-pill-live{display:inline-flex;align-items:center;gap:7px;font-size:.75rem;font-weight:700;color:#0f1a19;background:var(--kc-accent);padding:5px 11px;border-radius:999px}
.kc-pill-live i{font-size:.5rem}
.kc-tier-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px 16px;border-radius:16px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);margin-bottom:10px}
.kc-tier-row:last-child{margin-bottom:0}
.kc-tier-row.is-hot{background:linear-gradient(120deg,rgba(224,122,63,.24),rgba(243,193,75,.14));border-color:rgba(243,193,75,.42)}
.kc-tier-row-info b{display:block;font-size:.9375rem;color:#fff}
.kc-tier-row-info small{color:rgba(255,255,255,.66);font-size:.8125rem}
.kc-tier-row-price{text-align:right;white-space:nowrap}
.kc-tier-row-price b{display:block;font-size:1.0625rem;color:var(--kc-accent)}
.kc-tier-row-price small{font-size:.75rem;color:rgba(255,255,255,.6)}
.kc-panel-note{margin-top:16px;font-size:.8125rem;color:rgba(255,255,255,.6);line-height:1.7}

/* ---------- 优惠阶梯 ---------- */
.kc-stairs{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;align-items:end}
.kc-stair{
  position:relative;background:var(--kc-surface);border:1px solid var(--kc-border);
  border-radius:var(--kc-radius);padding:24px 22px;box-shadow:var(--kc-shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.kc-stair:hover{transform:translateY(-4px);box-shadow:var(--kc-shadow-lg);border-color:rgba(46,107,102,.28)}
.kc-stair:nth-child(1){min-height:290px}
.kc-stair:nth-child(2){min-height:322px}
.kc-stair:nth-child(3){min-height:354px}
.kc-stair:nth-child(4){min-height:386px;background:linear-gradient(160deg,#1F4E4A,#17201F);border-color:transparent;color:#EDEFEA}
.kc-stair:nth-child(4) .kc-stair-name,.kc-stair:nth-child(4) .kc-stair-desc{color:#F4F6F1}
.kc-stair-step{
  display:inline-flex;align-items:center;gap:8px;font-size:.75rem;font-weight:700;letter-spacing:.08em;
  padding:5px 12px;border-radius:999px;color:var(--kc-primary-dark);background:rgba(46,107,102,.1);border:1px solid rgba(46,107,102,.2);
}
.kc-stair:nth-child(3) .kc-stair-step{color:#9a4a1c;background:rgba(224,122,63,.12);border-color:rgba(224,122,63,.26)}
.kc-stair:nth-child(4) .kc-stair-step{color:var(--kc-accent);background:rgba(243,193,75,.12);border-color:rgba(243,193,75,.3)}
.kc-stair-name{font-size:1.1875rem;font-weight:700;margin:16px 0 6px}
.kc-stair-scale{font-size:.875rem;color:var(--kc-secondary);font-weight:700;margin-bottom:12px}
.kc-stair:nth-child(4) .kc-stair-scale{color:var(--kc-accent)}
.kc-stair-desc{font-size:.9375rem;color:var(--kc-muted);line-height:1.8;margin-bottom:18px}
.kc-stair-list{margin-bottom:22px}
.kc-stair-list li{display:flex;gap:9px;align-items:flex-start;font-size:.875rem;color:var(--kc-muted);padding:5px 0}
.kc-stair:nth-child(4) .kc-stair-list li{color:rgba(237,239,234,.76)}
.kc-stair-list i{color:var(--kc-success);font-size:.75rem;margin-top:7px}
.kc-stair:nth-child(4) .kc-stair-list i{color:var(--kc-accent)}
.kc-stair-cta{width:100%}

/* ---------- 对比表 ---------- */
.kc-table-wrap{background:var(--kc-surface);border:1px solid var(--kc-border);border-radius:22px;box-shadow:var(--kc-shadow);overflow:hidden}
table.kc-compare{width:100%;border-collapse:separate;border-spacing:0;min-width:940px}
.kc-compare thead th{
  background:#111917;color:#F4F6F1;font-size:.875rem;font-weight:700;letter-spacing:.02em;
  padding:20px 16px;text-align:center;vertical-align:middle;border:none;position:relative;
}
.kc-compare thead th:first-child{text-align:left;padding-left:26px}
.kc-compare thead th.col-hot{background:linear-gradient(160deg,#245b56,#1a4440);color:#fff}
.kc-badge-hot{
  display:inline-block;margin-bottom:8px;font-size:.6875rem;font-weight:700;letter-spacing:.06em;
  padding:4px 10px;border-radius:999px;color:#171f1e;background:var(--kc-accent);
}
.kc-col-title{display:block;font-size:1.0625rem;font-weight:800;color:#fff}
.kc-col-sub{display:block;font-size:.75rem;font-weight:500;color:rgba(255,255,255,.68);margin-top:4px}
.kc-compare tbody td{
  padding:16px;text-align:center;font-size:.9375rem;color:var(--kc-ink);
  border-top:1px solid var(--kc-border);vertical-align:middle;
}
.kc-compare tbody td:first-child{text-align:left;font-weight:650;padding-left:26px;color:#26312F;background:rgba(247,245,240,.6)}
.kc-compare tbody tr{transition:background-color .22s ease}
.kc-compare tbody tr:hover td{background:rgba(46,107,102,.06)}
.kc-compare tbody td.col-hot{background:rgba(243,193,75,.12);font-weight:700;color:var(--kc-primary-dark)}
.kc-compare tbody tr:hover td.col-hot{background:rgba(243,193,75,.2)}
.kc-check{color:var(--kc-success);font-weight:700}
.kc-dash{color:#98A29F}
.kc-compare-price{display:block;font-size:1.25rem;font-weight:800;color:var(--kc-primary-dark)}
.kc-compare-price small{display:block;font-size:.75rem;font-weight:600;color:var(--kc-muted);margin-top:2px}

.kc-plan-cards{display:grid;grid-template-columns:1fr;gap:18px}
.kc-plan-card{background:var(--kc-surface);border:1px solid var(--kc-border);border-radius:var(--kc-radius);padding:22px;box-shadow:var(--kc-shadow)}
.kc-plan-card.is-hot{border-color:rgba(243,193,75,.7);background:linear-gradient(180deg,rgba(243,193,75,.12),#fff 46%)}
.kc-plan-card h3{font-size:1.125rem;font-weight:800;margin-bottom:4px}
.kc-plan-card .kc-plan-scale{font-size:.8125rem;color:var(--kc-secondary);font-weight:700;margin-bottom:14px}
.kc-plan-specs li{display:flex;justify-content:space-between;gap:14px;padding:9px 0;border-bottom:1px dashed var(--kc-border);font-size:.875rem}
.kc-plan-specs li:last-child{border-bottom:none}
.kc-plan-specs span:first-child{color:var(--kc-muted)}
.kc-plan-specs span:last-child{font-weight:650;text-align:right}
.kc-plan-price{display:flex;align-items:baseline;gap:8px;margin:16px 0 18px}
.kc-plan-price b{font-size:1.5rem;font-weight:800;color:var(--kc-primary-dark)}
.kc-plan-price small{color:var(--kc-muted);font-size:.8125rem}

/* ---------- 能力面板 ---------- */
.kc-ability-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:44px}
.kc-ability{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--kc-radius);padding:22px;transition:transform .25s ease,border-color .25s ease,background-color .25s ease;
}
.kc-ability:hover{transform:translateY(-4px);border-color:rgba(243,193,75,.42);background:rgba(255,255,255,.08)}
.kc-ability i{font-size:1.15rem;color:var(--kc-accent);margin-bottom:14px;display:block}
.kc-ability b{display:block;font-size:1rem;color:#F4F6F1;margin-bottom:8px}
.kc-ability p{font-size:.875rem;line-height:1.78;color:rgba(237,239,234,.7)}
.kc-ability-tag{margin-top:14px;display:inline-block;font-size:.75rem;font-weight:700;padding:4px 10px;border-radius:999px;color:#0f1a19;background:rgba(243,193,75,.85)}
.kc-ability-tag--soft{color:rgba(237,239,234,.86);background:rgba(255,255,255,.12)}
.kc-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:46px}
.kc-stat{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:var(--kc-radius);padding:22px}
.kc-stat b{display:block;font-size:clamp(1.6rem,3vw,2.2rem);font-weight:800;color:var(--kc-accent);line-height:1.2}
.kc-stat span{font-size:.875rem;color:rgba(237,239,234,.7)}

/* ---------- 限时入口 ---------- */
.kc-limit{
  position:relative;overflow:hidden;
  background:linear-gradient(126deg,#1F4E4A 0%,#17201F 58%,#3a2416 100%);
  color:#fff;border-radius:26px;padding:44px;box-shadow:var(--kc-shadow-lg);
}
.kc-limit::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(243,193,75,.28),transparent 66%);
}
.kc-limit-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.kc-limit h2{font-size:clamp(1.4rem,2.6vw,2rem);color:#fff;margin:14px 0 12px}
.kc-limit p{color:rgba(255,255,255,.78);font-size:.9375rem;line-height:1.85}
.kc-countdown{display:flex;gap:12px;margin:24px 0 6px;flex-wrap:wrap}
.kc-cd-box{
  min-width:78px;padding:12px 8px;border-radius:16px;text-align:center;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
}
.kc-cd-box b{display:block;font-size:1.5rem;font-weight:800;color:var(--kc-accent);line-height:1.2}
.kc-cd-box small{font-size:.75rem;color:rgba(255,255,255,.66)}
.kc-deadline{font-size:.8125rem;color:rgba(255,255,255,.7);margin-top:10px}
.kc-progress-wrap{margin-top:22px}
.kc-progress-label{display:flex;justify-content:space-between;font-size:.8125rem;color:rgba(255,255,255,.75);margin-bottom:8px}
.kc-progress{height:10px;border-radius:999px;background:rgba(255,255,255,.14);overflow:hidden}
.kc-progress-bar{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--kc-accent),var(--kc-secondary));width:68%}
.kc-limit-card{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:20px;padding:24px}
.kc-limit-card h3{font-size:1.0625rem;color:#fff;margin-bottom:14px}
.kc-limit-card li{display:flex;gap:10px;align-items:flex-start;font-size:.875rem;color:rgba(255,255,255,.8);padding:6px 0}
.kc-limit-card li i{color:var(--kc-accent);font-size:.75rem;margin-top:7px}
.kc-limit-card .kc-btn{margin-top:18px}

/* ---------- 表单 ---------- */
.kc-form-card{background:var(--kc-surface);border:1px solid var(--kc-border);border-radius:24px;box-shadow:var(--kc-shadow);padding:34px}
.kc-field{margin-bottom:20px}
.kc-field label{display:block;font-size:.875rem;font-weight:700;color:#2A3634;margin-bottom:8px}
.kc-field label .kc-req{color:var(--kc-danger)}
.kc-input,.kc-select,.kc-textarea{
  width:100%;padding:13px 16px;border-radius:12px;border:1px solid var(--kc-border);
  background:#FBFAF7;font-size:.9375rem;color:var(--kc-ink);transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.kc-textarea{min-height:118px;resize:vertical;line-height:1.75}
.kc-input::placeholder,.kc-textarea::placeholder{color:#9AA4A1}
.kc-input:focus,.kc-select:focus,.kc-textarea:focus{
  outline:none;border-color:var(--kc-primary);background:#fff;box-shadow:0 0 0 4px rgba(46,107,102,.16);
}
.kc-field.is-invalid .kc-input,.kc-field.is-invalid .kc-select,.kc-field.is-invalid .kc-textarea{border-color:var(--kc-danger);background:#FDF5F4}
.kc-field.is-invalid .kc-input:focus,.kc-field.is-invalid .kc-select:focus,.kc-field.is-invalid .kc-textarea:focus{box-shadow:0 0 0 4px rgba(196,69,54,.16)}
.kc-hint{font-size:.8125rem;color:var(--kc-muted);margin-top:7px}
.kc-error{display:none;font-size:.8125rem;color:var(--kc-danger);margin-top:7px;font-weight:600}
.kc-field.is-invalid .kc-error{display:block}
.kc-captcha{display:flex;gap:12px;align-items:stretch}
.kc-captcha .kc-input{flex:1}
.kc-captcha-box{
  min-width:120px;display:grid;place-items:center;border-radius:12px;font-weight:800;letter-spacing:.18em;
  background:linear-gradient(120deg,rgba(46,107,102,.14),rgba(243,193,75,.22));
  border:1px dashed rgba(46,107,102,.4);color:var(--kc-primary-dark);font-size:1.0625rem;
}
.kc-check-line{display:flex;align-items:flex-start;gap:10px;font-size:.875rem;color:var(--kc-muted);line-height:1.7}
.kc-check-line input{width:18px;height:18px;margin-top:4px;accent-color:var(--kc-primary);flex:0 0 auto}
.kc-form-alert{display:none;margin-top:18px;padding:14px 18px;border-radius:14px;font-size:.9375rem;font-weight:600}
.kc-form-alert.is-ok{display:block;background:rgba(63,143,107,.12);border:1px solid rgba(63,143,107,.4);color:#2c6c50}
.kc-form-alert.is-bad{display:block;background:rgba(196,69,54,.1);border:1px solid rgba(196,69,54,.36);color:#9c3327}
.kc-form-side{display:flex;flex-direction:column;gap:18px}
.kc-side-card{background:var(--kc-surface);border:1px solid var(--kc-border);border-radius:20px;padding:24px;box-shadow:var(--kc-shadow)}
.kc-side-card h3{font-size:1.0625rem;margin-bottom:12px}
.kc-side-card p{font-size:.875rem;color:var(--kc-muted);line-height:1.8}
.kc-side-list li{display:flex;gap:10px;align-items:flex-start;font-size:.875rem;color:var(--kc-muted);padding:7px 0;border-bottom:1px dashed var(--kc-border)}
.kc-side-list li:last-child{border-bottom:none}
.kc-side-list i{color:var(--kc-primary);font-size:.75rem;margin-top:8px}

/* ---------- FAQ ---------- */
.kc-faq .accordion-item{border:1px solid var(--kc-border);border-radius:18px!important;margin-bottom:14px;background:var(--kc-surface);overflow:hidden;box-shadow:0 8px 22px rgba(23,32,31,.05)}
.kc-faq .accordion-button{
  font-size:1.0625rem;font-weight:700;color:var(--kc-ink);background:transparent;padding:20px 54px 20px 24px;
  box-shadow:none;border-radius:18px!important;
}
.kc-faq .accordion-button:not(.collapsed){color:var(--kc-primary-dark);background:rgba(46,107,102,.07)}
.kc-faq .accordion-button:focus{box-shadow:0 0 0 3px rgba(46,107,102,.22);border-radius:18px!important}
.kc-faq .accordion-button::after{
  background-image:none;content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;font-size:.875rem;
  color:var(--kc-primary);width:auto;height:auto;transition:transform .25s ease;position:absolute;right:24px;
}
.kc-faq .accordion-button:not(.collapsed)::after{transform:rotate(45deg)}
.kc-faq .accordion-body{padding:4px 24px 22px;font-size:.9375rem;line-height:1.9;color:var(--kc-muted)}

/* ---------- 结尾 CTA ---------- */
.kc-final{
  background:linear-gradient(126deg,#2E6B66,#17201F);color:#fff;border-radius:26px;
  padding:52px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:var(--kc-shadow-lg);
}
.kc-final h2{font-size:clamp(1.4rem,2.6vw,2rem);color:#fff;margin-bottom:10px}
.kc-final p{color:rgba(255,255,255,.78);font-size:.9375rem;max-width:560px}
.kc-final-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--kc-dark);color:rgba(237,239,234,.78);padding:72px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand strong{color:#fff;font-size:1.0625rem;font-weight:800}
.footer-text{font-size:.9375rem;line-height:1.85;color:rgba(237,239,234,.66);max-width:420px}
.footer-qr{display:flex;align-items:center;gap:14px;margin-top:22px;padding:14px 16px;border-radius:16px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1)}
.footer-qr i{font-size:1.6rem;color:var(--kc-accent)}
.footer-qr b{display:block;font-size:.875rem;color:#fff}
.footer-qr small{font-size:.75rem;color:rgba(237,239,234,.6)}
.footer-col h4{font-size:.9375rem;font-weight:800;color:#fff;margin-bottom:18px;letter-spacing:.02em}
.footer-col ul li{margin-bottom:11px}
.footer-col ul a{font-size:.875rem;color:rgba(237,239,234,.7)}
.footer-col ul a:hover{color:var(--kc-accent)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:.8125rem;color:rgba(237,239,234,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .kc-nav-list{gap:2px}
  .kc-nav-link{padding:8px 11px;font-size:.875rem}
  .kc-hero-grid{grid-template-columns:1fr;gap:40px}
  .kc-stairs{grid-template-columns:repeat(2,1fr)}
  .kc-stair,.kc-stair:nth-child(n){min-height:auto}
  .kc-ability-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991px){
  .kc-section{padding:78px 0}
  .kc-section--tight{padding:60px 0}
  .kc-nav-list,.kc-nav-cta{display:none}
  .kc-burger{display:inline-grid;place-items:center;margin-left:auto}
  .kc-nav-panel{gap:12px}
  .kc-hero{padding:70px 0 76px}
  .kc-limit{padding:32px}
  .kc-limit-grid{grid-template-columns:1fr;gap:28px}
  .kc-final{padding:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .kc-stats{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:767px){
  body{font-size:1rem}
  .kc-container{padding:0 18px}
  .kc-section{padding:60px 0}
  .kc-section--tight{padding:50px 0}
  .kc-section-head{margin-bottom:34px}
  .kc-hero{padding:56px 0 62px}
  .kc-hero-actions .kc-btn{width:100%}
  .kc-stairs{grid-template-columns:1fr;gap:16px}
  .kc-ability-grid{grid-template-columns:1fr}
  .kc-stats{grid-template-columns:1fr}
  .kc-form-card{padding:22px}
  .kc-limit{padding:24px;border-radius:20px}
  .kc-cd-box{min-width:64px;padding:10px 6px}
  .kc-cd-box b{font-size:1.25rem}
  .kc-final{padding:28px;border-radius:20px}
  .kc-final-actions .kc-btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;gap:8px}
  .kc-captcha{flex-wrap:wrap}
  .kc-captcha-box{min-width:100%;height:52px}
}
@media (max-width:520px){
  .kc-logo-text{font-size:.9375rem}
  .kc-hero h1{font-size:1.75rem}
  .kc-h2{font-size:1.4rem}
  .kc-trust-item{font-size:.8125rem}
  .kc-countdown{gap:8px}
  .kc-cd-box{flex:1 1 60px;min-width:60px}
  .kc-compare-price{font-size:1.0625rem}
}

/* roulang page: category4 */
:root{
  --kc-primary:#2E6B66;
  --kc-primary-dark:#1F4E4A;
  --kc-secondary:#E07A3F;
  --kc-accent:#F3C14B;
  --kc-bg:#F7F5F0;
  --kc-surface:#FFFFFF;
  --kc-ink:#1B2422;
  --kc-muted:#66706D;
  --kc-border:rgba(27,36,34,.12);
  --kc-dark:#17201F;
  --kc-success:#3F8F6B;
  --kc-danger:#C44536;
  --kc-radius:18px;
  --kc-radius-sm:12px;
  --kc-radius-xs:10px;
  --kc-shadow:0 12px 30px rgba(23,32,31,.08);
  --kc-shadow-lg:0 24px 52px rgba(23,32,31,.16);
  --kc-gap:24px;

  --bs-primary:#2E6B66;
  --bs-primary-rgb:46,107,102;
  --bs-body-color:#1B2422;
  --bs-body-bg:#F7F5F0;
  --bs-border-color:rgba(27,36,34,.12);
  --bs-link-color:#2E6B66;
  --bs-link-hover-color:#1F4E4A;
  --bs-font-sans-serif:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --bs-body-font-size:1rem;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--kc-bg);
  color:var(--kc-ink);
  font-family:var(--bs-font-sans-serif);
  font-size:1rem;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--kc-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--kc-primary-dark);}
h1,h2,h3,h4,h5{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.28;color:var(--kc-ink);}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:1rem;}

.kc-container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 20px;
}

/* ============ 导航 ============ */
.kc-header{
  position:sticky;
  top:0;
  z-index:1030;
  padding:14px 0 10px;
  background:linear-gradient(180deg,rgba(247,245,240,.96),rgba(247,245,240,.82));
  backdrop-filter:blur(10px);
}
.kc-nav-panel{
  display:flex;
  align-items:center;
  gap:18px;
  padding:12px 16px;
  background:var(--kc-surface);
  border:1px solid var(--kc-border);
  border-radius:20px;
  box-shadow:var(--kc-shadow);
}
.kc-logo{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  color:var(--kc-ink);
}
.kc-logo:hover{color:var(--kc-ink);}
.kc-logo-mark{
  width:38px;height:38px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:linear-gradient(140deg,var(--kc-primary),var(--kc-primary-dark));
  color:#fff;
  flex-shrink:0;
}
.kc-logo-mark svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.kc-logo-text{
  font-size:1.0625rem;
  font-weight:800;
  letter-spacing:-.02em;
  white-space:nowrap;
}
.kc-logo-text em{font-style:normal;color:var(--kc-primary);}

.kc-nav-list{
  display:flex;
  align-items:center;
  gap:6px;
  margin:0 auto;
  flex-wrap:nowrap;
}
.kc-nav-link{
  display:inline-block;
  padding:9px 14px;
  border-radius:12px;
  font-size:.9375rem;
  font-weight:600;
  color:var(--kc-muted);
  border:1px solid transparent;
  white-space:nowrap;
  transition:all .2s ease;
}
.kc-nav-link:hover{
  color:var(--kc-primary);
  background:rgba(46,107,102,.07);
  border-color:rgba(46,107,102,.16);
}
.kc-nav-link.is-active{
  color:var(--kc-primary-dark);
  background:rgba(46,107,102,.11);
  border-color:rgba(46,107,102,.22);
}
.kc-nav-cta{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:11px 20px;
  border-radius:14px;
  background:var(--kc-secondary);
  color:#fff;
  font-weight:700;
  font-size:.9375rem;
  white-space:nowrap;
  box-shadow:0 10px 22px rgba(224,122,63,.28);
  transition:all .22s ease;
}
.kc-nav-cta:hover{
  background:#c96a33;
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 14px 26px rgba(224,122,63,.34);
}
.kc-burger{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  border:1px solid var(--kc-border);
  background:var(--kc-bg);
  border-radius:12px;
  color:var(--kc-ink);
  font-size:1.1rem;
  cursor:pointer;
}
.kc-burger:hover{background:rgba(46,107,102,.08);}

.kc-offcanvas{background:var(--kc-bg);width:320px;border:0;}
.kc-offcanvas .offcanvas-header{border-bottom:1px solid var(--kc-border);padding:18px 20px;}
.kc-offcanvas .offcanvas-title{font-size:1rem;font-weight:800;color:var(--kc-ink);}
.kc-offcanvas .offcanvas-body{padding:18px 20px 28px;display:flex;flex-direction:column;gap:10px;}
.kc-mnav-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 16px;
  border-radius:14px;
  background:var(--kc-surface);
  border:1px solid var(--kc-border);
  color:var(--kc-ink);
  font-weight:600;
  font-size:.95rem;
}
.kc-mnav-link i{color:var(--kc-muted);font-size:.8rem;}
.kc-mnav-link:hover{border-color:rgba(46,107,102,.3);color:var(--kc-primary);}
.kc-mnav-link.is-active{
  background:rgba(46,107,102,.1);
  border-color:rgba(46,107,102,.26);
  color:var(--kc-primary-dark);
}
.kc-mnav-cta{
  margin-top:8px;
  display:block;
  text-align:center;
  padding:14px 16px;
  border-radius:14px;
  background:var(--kc-secondary);
  color:#fff;
  font-weight:700;
}
.kc-mnav-cta:hover{background:#c96a33;color:#fff;}

/* ============ 通用 ============ */
.kc-section{padding:96px 0;}
.kc-section--tight{padding:72px 0;}
.kc-section-head{max-width:760px;margin:0 auto 48px;text-align:center;}
.kc-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:rgba(46,107,102,.1);
  border:1px solid rgba(46,107,102,.2);
  color:var(--kc-primary-dark);
  font-size:.8125rem;
  font-weight:700;
  letter-spacing:.04em;
  margin-bottom:16px;
}
.kc-eyebrow.is-warm{background:rgba(224,122,63,.12);border-color:rgba(224,122,63,.26);color:#a85622;}
.kc-h2{font-size:clamp(1.5rem,3vw,2.3rem);font-weight:700;}
.kc-lead{color:var(--kc-muted);font-size:1.0625rem;margin:14px 0 0;}

.kc-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;
  border-radius:14px;
  font-weight:700;
  font-size:.9688rem;
  border:1px solid transparent;
  cursor:pointer;
  transition:all .22s ease;
  text-align:center;
}
.kc-btn-primary{
  background:var(--kc-primary);
  color:#fff;
  box-shadow:0 10px 24px rgba(46,107,102,.26);
}
.kc-btn-primary:hover{background:var(--kc-primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 16px 30px rgba(46,107,102,.32);}
.kc-btn-warm{
  background:var(--kc-secondary);
  color:#fff;
  box-shadow:0 10px 24px rgba(224,122,63,.28);
}
.kc-btn-warm:hover{background:#c96a33;color:#fff;transform:translateY(-2px);}
.kc-btn-ghost{
  background:transparent;
  color:var(--kc-primary-dark);
  border-color:rgba(46,107,102,.35);
}
.kc-btn-ghost:hover{background:rgba(46,107,102,.1);color:var(--kc-primary-dark);transform:translateY(-2px);}
.kc-btn-light{
  background:rgba(255,255,255,.12);
  color:#fff;
  border-color:rgba(255,255,255,.4);
}
.kc-btn-light:hover{background:rgba(255,255,255,.22);color:#fff;transform:translateY(-2px);}
.kc-btn:focus-visible,
.kc-nav-link:focus-visible,
.kc-nav-cta:focus-visible,
.kc-mnav-link:focus-visible,
a:focus-visible,
button:focus-visible{
  outline:2px solid var(--kc-primary);
  outline-offset:2px;
}

.kc-card{
  background:var(--kc-surface);
  border:1px solid var(--kc-border);
  border-radius:var(--kc-radius);
  box-shadow:var(--kc-shadow);
  padding:26px;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
  height:100%;
}
.kc-card:hover{transform:translateY(-3px);box-shadow:var(--kc-shadow-lg);border-color:rgba(46,107,102,.28);}
.kc-card-title{font-size:1.1875rem;font-weight:700;margin-bottom:10px;}
.kc-card-text{color:var(--kc-muted);font-size:.9375rem;margin:0;}
.kc-tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;
  border-radius:999px;
  font-size:.75rem;
  font-weight:700;
  background:rgba(46,107,102,.1);
  color:var(--kc-primary-dark);
}
.kc-tag.is-warm{background:rgba(224,122,63,.13);color:#a85622;}
.kc-tag.is-accent{background:rgba(243,193,75,.2);color:#8a6410;}

.kc-icon-box{
  width:52px;height:52px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:15px;
  background:linear-gradient(140deg,rgba(46,107,102,.14),rgba(46,107,102,.05));
  color:var(--kc-primary);
  font-size:1.25rem;
  margin-bottom:16px;
}
.kc-icon-box.is-warm{background:linear-gradient(140deg,rgba(224,122,63,.18),rgba(224,122,63,.06));color:var(--kc-secondary);}
.kc-icon-box.is-accent{background:linear-gradient(140deg,rgba(243,193,75,.28),rgba(243,193,75,.1));color:#a67c10;}

/* ============ Hero ============ */
.kc-hero{
  position:relative;
  margin-top:8px;
  padding:82px 0 90px;
  background:
    linear-gradient(140deg,rgba(23,32,31,.94),rgba(31,78,74,.9)),
    url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  color:#fff;
  overflow:hidden;
}
.kc-hero::after{
  content:"";
  position:absolute;inset:0;
  background-image:
    repeating-linear-gradient(90deg,rgba(255,255,255,.05) 0 1px,transparent 1px 74px),
    repeating-linear-gradient(0deg,rgba(255,255,255,.045) 0 1px,transparent 1px 74px);
  pointer-events:none;
}
.kc-hero .kc-container{position:relative;z-index:2;}
.kc-hero-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:52px;
  align-items:center;
}
.kc-hero h1{
  color:#fff;
  font-size:clamp(2rem,4.4vw,3.4rem);
  font-weight:800;
  letter-spacing:-.02em;
  margin:14px 0 18px;
}
.kc-hero h1 span{color:var(--kc-accent);}
.kc-hero-sub{
  color:rgba(255,255,255,.82);
  font-size:1.0625rem;
  max-width:520px;
  margin-bottom:28px;
}
.kc-hero .kc-eyebrow{
  background:rgba(243,193,75,.16);
  border-color:rgba(243,193,75,.4);
  color:var(--kc-accent);
}
.kc-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px;}
.kc-hero-stats{
  display:flex;flex-wrap:wrap;gap:14px;
}
.kc-stat-chip{
  display:flex;align-items:center;gap:10px;
  padding:11px 16px;
  border-radius:14px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16);
}
.kc-stat-chip b{font-size:1.125rem;color:var(--kc-accent);}
.kc-stat-chip span{font-size:.8125rem;color:rgba(255,255,255,.78);}

.kc-hero-panel{
  background:rgba(255,255,255,.97);
  border-radius:22px;
  padding:26px;
  box-shadow:0 30px 60px rgba(0,0,0,.32);
  color:var(--kc-ink);
}
.kc-panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}
.kc-panel-head h2{font-size:1.0625rem;font-weight:800;}
.kc-window-dots{display:flex;gap:6px;}
.kc-window-dots i{width:9px;height:9px;border-radius:50%;display:block;}
.kc-window-dots i:nth-child(1){background:#E07A3F;}
.kc-window-dots i:nth-child(2){background:#F3C14B;}
.kc-window-dots i:nth-child(3){background:#3F8F6B;}

.kc-search{
  display:flex;
  gap:8px;
  background:var(--kc-bg);
  border:1px solid var(--kc-border);
  border-radius:14px;
  padding:6px 6px 6px 14px;
  align-items:center;
}
.kc-search i{color:var(--kc-muted);}
.kc-search input{
  flex:1;
  border:0;
  background:transparent;
  padding:10px 4px;
  color:var(--kc-ink);
  outline:none;
  min-width:0;
}
.kc-search input::placeholder{color:var(--kc-muted);}
.kc-search button{
  border:0;
  border-radius:10px;
  padding:10px 18px;
  background:var(--kc-primary);
  color:#fff;
  font-weight:700;
  font-size:.875rem;
  cursor:pointer;
  transition:background .2s ease;
}
.kc-search button:hover{background:var(--kc-primary-dark);}
.kc-quick-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.kc-quick-tags button{
  border:1px dashed rgba(46,107,102,.35);
  background:rgba(46,107,102,.06);
  color:var(--kc-primary-dark);
  border-radius:999px;
  padding:6px 13px;
  font-size:.8125rem;
  cursor:pointer;
  transition:all .2s ease;
}
.kc-quick-tags button:hover{background:rgba(46,107,102,.14);border-style:solid;}

.kc-hot-list{margin-top:22px;border-top:1px dashed var(--kc-border);padding-top:18px;}
.kc-hot-list h3{font-size:.875rem;color:var(--kc-muted);font-weight:700;margin-bottom:12px;letter-spacing:.04em;}
.kc-hot-list a{
  display:flex;align-items:center;gap:10px;
  padding:9px 0;
  font-size:.9rem;
  color:var(--kc-ink);
  font-weight:600;
  border-bottom:1px solid rgba(27,36,34,.06);
}
.kc-hot-list a:last-child{border-bottom:0;}
.kc-hot-list a span{
  width:22px;height:22px;flex-shrink:0;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:7px;
  background:rgba(243,193,75,.24);
  color:#8a6410;
  font-size:.75rem;
  font-weight:800;
}
.kc-hot-list a:hover{color:var(--kc-primary);}

/* ============ 面包屑 ============ */
.kc-breadcrumb{
  display:flex;align-items:center;gap:10px;
  padding:20px 0 0;
  font-size:.875rem;
  color:var(--kc-muted);
  flex-wrap:wrap;
}
.kc-breadcrumb a{color:var(--kc-muted);}
.kc-breadcrumb a:hover{color:var(--kc-primary);}
.kc-breadcrumb .sep{opacity:.5;}
.kc-breadcrumb .current{color:var(--kc-ink);font-weight:700;}

/* ============ 支持分类卡 ============ */
.kc-grid-3{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:var(--kc-gap);
}
.kc-grid-2{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:var(--kc-gap);
}
.kc-grid-4{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
}
.kc-card-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.kc-card-link{
  display:inline-flex;align-items:center;gap:7px;
  margin-top:18px;
  font-weight:700;
  font-size:.9rem;
  color:var(--kc-primary);
}
.kc-card-link:hover{gap:11px;color:var(--kc-primary-dark);}

.kc-empty-hint{
  display:none;
  margin-top:26px;
  padding:22px;
  border-radius:16px;
  background:rgba(243,193,75,.14);
  border:1px dashed rgba(224,122,63,.45);
  color:#8a5a1c;
  font-size:.9375rem;
  text-align:center;
}
.kc-empty-hint.is-show{display:block;}

/* ============ 速查卡 ============ */
.kc-fix-card{
  background:var(--kc-surface);
  border:1px solid var(--kc-border);
  border-radius:var(--kc-radius);
  padding:24px;
  box-shadow:var(--kc-shadow);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.kc-fix-card:hover{transform:translateY(-3px);box-shadow:var(--kc-shadow-lg);border-color:rgba(46,107,102,.28);}
.kc-fix-card h3{font-size:1.0625rem;margin-bottom:12px;display:flex;align-items:flex-start;gap:10px;}
.kc-fix-card h3 i{color:var(--kc-secondary);margin-top:4px;font-size:.9rem;}
.kc-fix-row{
  display:flex;gap:10px;
  padding:9px 0;
  border-top:1px dashed rgba(27,36,34,.1);
  font-size:.9rem;
  color:var(--kc-muted);
}
.kc-fix-row b{color:var(--kc-ink);font-weight:700;flex-shrink:0;min-width:34px;}

/* ============ 文档列表 ============ */
.kc-doc-list{display:flex;flex-direction:column;gap:16px;}
.kc-doc-item{
  display:grid;
  grid-template-columns:auto 1fr auto;
  gap:20px;
  align-items:center;
  padding:20px 24px;
  background:var(--kc-surface);
  border:1px solid var(--kc-border);
  border-radius:var(--kc-radius);
  box-shadow:var(--kc-shadow);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.kc-doc-item:hover{transform:translateY(-3px);box-shadow:var(--kc-shadow-lg);border-color:rgba(46,107,102,.28);}
.kc-doc-item:hover .kc-doc-title{color:var(--kc-primary);}
.kc-doc-icon{
  width:46px;height:46px;
  border-radius:13px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(46,107,102,.1);
  color:var(--kc-primary);
  font-size:1.05rem;
}
.kc-doc-title{font-size:1.0625rem;font-weight:700;margin-bottom:6px;transition:color .2s ease;}
.kc-doc-desc{
  color:var(--kc-muted);
  font-size:.9rem;
  margin:0;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.kc-doc-side{text-align:right;display:flex;flex-direction:column;align-items:flex-end;gap:8px;}
.kc-doc-side small{color:var(--kc-muted);font-size:.8125rem;white-space:nowrap;}

/* ============ 服务承诺 ============ */
.kc-promise{
  background:var(--kc-dark);
  border-radius:26px;
  padding:52px 46px;
  color:#fff;
  position:relative;
  overflow:hidden;
}
.kc-promise::after{
  content:"";
  position:absolute;
  right:-90px;top:-70px;
  width:320px;height:320px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(243,193,75,.22),transparent 68%);
}
.kc-promise-head{position:relative;z-index:2;max-width:620px;margin-bottom:36px;}
.kc-promise-head h2{color:#fff;font-size:clamp(1.4rem,2.6vw,2rem);}
.kc-promise-head p{color:rgba(255,255,255,.72);margin:12px 0 0;font-size:.9688rem;}
.kc-promise-grid{
  position:relative;z-index:2;
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:18px;
}
.kc-promise-item{
  padding:22px;
  border-radius:16px;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.14);
  transition:background .22s ease,transform .22s ease;
}
.kc-promise-item:hover{background:rgba(255,255,255,.13);transform:translateY(-3px);}
.kc-promise-item b{
  display:block;
  font-size:clamp(1.5rem,3vw,2rem);
  color:var(--kc-accent);
  line-height:1.2;
  margin-bottom:6px;
}
.kc-promise-item span{font-size:.875rem;color:rgba(255,255,255,.76);}

/* ============ FAQ ============ */
.kc-faq-wrap{max-width:900px;margin:0 auto;}
.kc-faq .accordion-item{
  border:1px solid var(--kc-border);
  border-radius:16px !important;
  background:var(--kc-surface);
  margin-bottom:14px;
  overflow:hidden;
  box-shadow:0 6px 16px rgba(23,32,31,.05);
}
.kc-faq .accordion-button{
  background:var(--kc-surface);
  color:var(--kc-ink);
  font-weight:700;
  font-size:1rem;
  padding:20px 22px;
  box-shadow:none !important;
  border-radius:16px !important;
  gap:14px;
}
.kc-faq .accordion-button:not(.collapsed){
  color:var(--kc-primary-dark);
  background:rgba(46,107,102,.07);
}
.kc-faq .accordion-button::after{
  display:none;
}
.kc-faq .kc-faq-plus{
  margin-left:auto;
  width:28px;height:28px;flex-shrink:0;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:9px;
  background:rgba(46,107,102,.1);
  color:var(--kc-primary);
  font-size:.8rem;
  transition:transform .25s ease,background .25s ease;
}
.kc-faq .accordion-button:not(.collapsed) .kc-faq-plus{
  transform:rotate(45deg);
  background:var(--kc-primary);
  color:#fff;
}
.kc-faq .accordion-body{
  padding:4px 22px 24px;
  color:var(--kc-muted);
  font-size:.9375rem;
  line-height:1.85;
}

/* ============ 表单 ============ */
.kc-form-area{
  background:var(--kc-surface);
  border:1px solid var(--kc-border);
  border-radius:24px;
  padding:40px;
  box-shadow:var(--kc-shadow);
}
.kc-form-label{
  display:block;
  font-size:.875rem;
  font-weight:700;
  color:var(--kc-ink);
  margin-bottom:8px;
}
.kc-form-label .req{color:var(--kc-danger);margin-left:3px;}
.kc-input,
.kc-select,
.kc-textarea{
  width:100%;
  padding:13px 16px;
  border-radius:12px;
  border:1px solid var(--kc-border);
  background:var(--kc-bg);
  color:var(--kc-ink);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
  outline:none;
}
.kc-input::placeholder,.kc-textarea::placeholder{color:var(--kc-muted);}
.kc-input:focus,.kc-select:focus,.kc-textarea:focus{
  border-color:var(--kc-primary);
  background:#fff;
  box-shadow:0 0 0 3px rgba(46,107,102,.16);
}
.kc-textarea{min-height:118px;resize:vertical;}
.kc-form-group{margin-bottom:20px;}
.kc-check{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:.875rem;
  color:var(--kc-muted);
}
.kc-check input{margin-top:5px;accent-color:var(--kc-primary);width:16px;height:16px;flex-shrink:0;}
.kc-form-note{font-size:.8125rem;color:var(--kc-muted);margin:14px 0 0;}
.kc-form-msg{
  display:none;
  margin-top:16px;
  padding:13px 16px;
  border-radius:12px;
  font-size:.9rem;
  font-weight:600;
}
.kc-form-msg.is-ok{display:block;background:rgba(63,143,107,.12);color:#2f6f52;border:1px solid rgba(63,143,107,.32);}
.kc-form-msg.is-err{display:block;background:rgba(196,69,54,.1);color:#9c3227;border:1px solid rgba(196,69,54,.3);}

.kc-contact-aside{
  display:flex;flex-direction:column;gap:16px;
}
.kc-contact-item{
  display:flex;gap:14px;
  align-items:flex-start;
  padding:20px;
  border-radius:16px;
  background:var(--kc-surface);
  border:1px solid var(--kc-border);
  box-shadow:0 8px 20px rgba(23,32,31,.05);
  transition:transform .22s ease,border-color .22s ease;
}
.kc-contact-item:hover{transform:translateY(-3px);border-color:rgba(46,107,102,.3);}
.kc-contact-item i{
  width:40px;height:40px;flex-shrink:0;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:rgba(224,122,63,.14);
  color:var(--kc-secondary);
  font-size:1rem;
}
.kc-contact-item h4{font-size:.9688rem;margin-bottom:5px;}
.kc-contact-item p{font-size:.875rem;color:var(--kc-muted);margin:0;}

/* ============ CTA ============ */
.kc-cta{
  position:relative;
  border-radius:26px;
  padding:56px 48px;
  background:linear-gradient(120deg,rgba(23,32,31,.95),rgba(31,78,74,.9)),
             url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
  color:#fff;
  overflow:hidden;
}
.kc-cta-inner{
  position:relative;z-index:2;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  flex-wrap:wrap;
}
.kc-cta h2{color:#fff;font-size:clamp(1.4rem,2.8vw,2rem);max-width:620px;}
.kc-cta p{color:rgba(255,255,255,.76);margin:12px 0 0;max-width:620px;}
.kc-cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.kc-cta-figure{
  width:100%;
  border-radius:16px;
  overflow:hidden;
  border:1px solid rgba(255,255,255,.18);
  margin-top:32px;
  position:relative;
  z-index:2;
}
.kc-cta-figure img{width:100%;aspect-ratio:21/7;object-fit:cover;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:96px;
  background:var(--kc-dark);
  color:rgba(255,255,255,.72);
  padding:72px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .kc-logo-mark{background:linear-gradient(140deg,var(--kc-primary),var(--kc-primary-dark));}
.footer-brand strong{color:#fff;font-size:1.0625rem;font-weight:800;}
.footer-text{font-size:.9rem;line-height:1.8;color:rgba(255,255,255,.6);max-width:340px;}
.footer-qr{
  display:flex;align-items:center;gap:12px;
  margin-top:20px;
  padding:14px 16px;
  border-radius:14px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
}
.footer-qr i{font-size:1.6rem;color:var(--kc-accent);}
.footer-qr b{display:block;color:#fff;font-size:.875rem;}
.footer-qr small{color:rgba(255,255,255,.58);font-size:.78rem;}
.footer-col h4{
  color:#fff;
  font-size:.9375rem;
  margin-bottom:18px;
  font-weight:700;
  letter-spacing:.02em;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{color:rgba(255,255,255,.66);font-size:.9rem;}
.footer-col a:hover{color:var(--kc-accent);}
.footer-bottom{
  margin-top:52px;
  padding-top:24px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
  font-size:.8125rem;
  color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .kc-nav-list{gap:2px;}
  .kc-nav-link{padding:9px 10px;font-size:.875rem;}
  .kc-grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .kc-promise-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:991px){
  .kc-nav-list,.kc-nav-cta{display:none;}
  .kc-burger{display:inline-flex;margin-left:auto;}
  .kc-hero{padding:60px 0 66px;}
  .kc-hero-grid{grid-template-columns:1fr;gap:36px;}
  .kc-hero-panel{max-width:560px;}
  .kc-section{padding:76px 0;}
  .kc-section--tight{padding:60px 0;}
  .kc-grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .kc-cta{padding:44px 32px;}
  .kc-promise{padding:40px 30px;}
  .kc-form-area{padding:30px;}
}
@media (max-width:767px){
  .kc-container{padding:0 16px;}
  .kc-nav-panel{border-radius:16px;padding:10px 12px;}
  .kc-section{padding:60px 0;}
  .kc-section--tight{padding:52px 0;}
  .kc-section-head{margin-bottom:32px;}
  .kc-grid-3,.kc-grid-2,.kc-grid-4{grid-template-columns:1fr;}
  .kc-promise-grid{grid-template-columns:1fr;}
  .kc-doc-item{grid-template-columns:auto 1fr;gap:14px;}
  .kc-doc-side{grid-column:1 / -1;flex-direction:row;align-items:center;justify-content:flex-start;text-align:left;gap:12px;}
  .kc-promise{border-radius:20px;padding:32px 22px;}
  .kc-cta{border-radius:20px;padding:34px 22px;}
  .kc-cta-figure img{aspect-ratio:16/9;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{margin-top:64px;padding:52px 0 24px;}
  .footer-text{max-width:none;}
  .kc-btn{width:100%;}
  .kc-hero-actions .kc-btn{width:100%;}
  .kc-cta-actions{width:100%;}
  .kc-cta-actions .kc-btn{width:100%;}
  .kc-hero-stats{gap:10px;}
  .kc-stat-chip{flex:1 1 46%;}
}
@media (max-width:519px){
  .kc-logo-text{font-size:.9375rem;}
  .kc-logo-mark{width:34px;height:34px;border-radius:10px;}
  .kc-hero h1{font-size:clamp(1.7rem,7vw,2.2rem);}
  .kc-search{flex-wrap:wrap;padding:10px;}
  .kc-search input{width:100%;flex:1 1 100%;padding:8px 4px;}
  .kc-search button{width:100%;}
  .kc-form-area{padding:22px;}
  .kc-card{padding:20px;}
  .kc-faq .accordion-button{font-size:.9375rem;padding:16px;}
  .kc-faq .accordion-body{padding:2px 16px 20px;}
  .footer-bottom{flex-direction:column;}
  .kc-doc-item{padding:16px;}
}