/* roulang page: index */
/* ===== 设计变量 ===== */
:root{
  --mk-ink:#14161B;
  --mk-ink-soft:#5A6070;
  --mk-bg:#F7F5F1;
  --mk-surface:#FFFFFF;
  --mk-primary:#E8452C;
  --mk-primary-dark:#C1301A;
  --mk-accent:#C9F24D;
  --mk-accent-ink:#1B2408;
  --mk-dark:#101318;
  --mk-line:#E3DFD7;
  --mk-muted-bg:#EFEBE3;
  --mk-warn:#FFC53D;
  --mk-r-card:14px;
  --mk-r-img:12px;
  --mk-r-hero:20px;
  --mk-r-btn:10px;
  --mk-shadow:0 1px 2px rgba(20,22,27,.06),0 8px 24px rgba(20,22,27,.08);
  --mk-shadow-hover:0 2px 4px rgba(20,22,27,.08),0 14px 32px rgba(20,22,27,.12);
  --mk-container:1200px;
  --mk-font:-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
}

/* ===== 基础重置 ===== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--mk-font);
  font-size:17px;
  line-height:1.8;
  color:var(--mk-ink);
  background:var(--mk-bg);
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,ul,ol,blockquote{margin:0;}
h1,h2,h3,h4{line-height:1.25;font-weight:700;color:var(--mk-ink);}
h1{font-size:44px;font-weight:800;}
h2{font-size:32px;}
h3{font-size:22px;}
h4{font-size:18px;}
p{font-size:17px;line-height:1.8;}
ul,ol{padding-left:0;list-style:none;}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;background-color:transparent;}
a:hover{color:var(--mk-primary);}
button,input,select,textarea{font-family:inherit;font-size:inherit;margin:0;}
button{border:0;background:none;cursor:pointer;color:inherit;}
b,strong{font-weight:700;}
table{border-collapse:collapse;width:100%;}
[data-cd],[data-stat]{font-variant-numeric:tabular-nums;}
:focus-visible{outline:3px solid rgba(232,69,44,.35);outline-offset:2px;}

/* ===== 容器 ===== */
.mk-container{width:100%;max-width:var(--mk-container);margin:0 auto;padding:0 20px;}

/* ===== 按钮 ===== */
.mk-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--mk-r-btn);
  font-size:16px;font-weight:600;line-height:1;
  transition:background-color .15s ease,color .15s ease,transform .15s ease,box-shadow .15s ease,border-color .15s ease;
  white-space:nowrap;
}
.mk-btn-primary{background:var(--mk-primary);color:#fff;box-shadow:0 8px 20px rgba(232,69,44,.22);}
.mk-btn-primary:hover{background:var(--mk-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(232,69,44,.28);}
.mk-btn-primary:active{transform:translateY(0);}
.mk-btn-ghost{background:transparent;color:var(--mk-ink);border:1.5px solid var(--mk-ink);}
.mk-btn-ghost:hover{background:var(--mk-ink);color:#fff;transform:translateY(-1px);}
.mk-btn-ghost:active{transform:translateY(0);}
.mk-btn-lime{background:transparent;color:var(--mk-accent);border:1.5px solid var(--mk-accent);}
.mk-btn-lime:hover{background:var(--mk-accent);color:var(--mk-accent-ink);transform:translateY(-1px);}
.mk-btn-lime:active{transform:translateY(0);}
.mk-btn-solid-lime{background:var(--mk-accent);color:var(--mk-accent-ink);}
.mk-btn-solid-lime:hover{background:#d8ff5f;color:var(--mk-accent-ink);transform:translateY(-1px);}
.mk-btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:8px;}

/* ===== 徽章 / 标签 ===== */
.mk-badge{
  display:inline-flex;align-items:center;gap:6px;
  height:24px;padding:0 11px;border-radius:999px;
  font-size:12px;font-weight:600;line-height:1;letter-spacing:.02em;
}
.mk-badge-accent{background:var(--mk-accent);color:var(--mk-accent-ink);}
.mk-badge-neutral{background:var(--mk-muted-bg);color:var(--mk-ink-soft);}
.mk-badge-dark{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.22);}
.mk-tag{
  display:inline-flex;align-items:center;height:24px;padding:0 11px;
  border-radius:999px;background:var(--mk-muted-bg);color:var(--mk-ink-soft);
  font-size:12px;font-weight:600;line-height:1;
}
.mk-link{color:var(--mk-primary);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;}
.mk-link:hover{color:var(--mk-primary-dark);text-decoration-thickness:2px;}

/* ===== 顶部导航 ===== */
.mk-header{
  position:sticky;top:0;z-index:60;
  background:var(--mk-surface);
  border-bottom:1px solid var(--mk-line);
  transition:box-shadow .2s ease;
}
.mk-header.is-scrolled{box-shadow:0 6px 22px rgba(20,22,27,.09);}
.mk-nav-inner{
  max-width:var(--mk-container);margin:0 auto;padding:0 20px;
  height:68px;display:flex;align-items:center;gap:24px;
  transition:height .2s ease;
}
.mk-header.is-scrolled .mk-nav-inner{height:60px;}
.mk-logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.mk-logo-mark{
  width:36px;height:36px;border-radius:11px;flex-shrink:0;
  background:linear-gradient(135deg,var(--mk-primary),#F2724F);
  color:#fff;font-weight:800;font-size:19px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 14px rgba(232,69,44,.28);
}
.mk-logo-text{font-size:17px;font-weight:800;letter-spacing:.01em;color:var(--mk-ink);}
.mk-logo:hover .mk-logo-text{color:var(--mk-primary);}
.mk-nav-desktop{display:flex;align-items:center;gap:4px;margin-left:12px;flex:1;}
.mk-nav-link{
  position:relative;display:inline-flex;align-items:center;
  height:68px;padding:0 14px;font-size:15px;font-weight:500;color:var(--mk-ink-soft);
  transition:color .15s ease,height .2s ease;
}
.mk-header.is-scrolled .mk-nav-link{height:60px;}
.mk-nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:14px;height:3px;
  border-radius:2px;background:var(--mk-primary);transform:scaleX(0);transform-origin:left;
  transition:transform .18s ease;
}
.mk-nav-link:hover{color:var(--mk-ink);}
.mk-nav-link:hover::after{transform:scaleX(.5);}
.mk-nav-link.is-active{color:var(--mk-ink);font-weight:700;}
.mk-nav-link.is-active::after{transform:scaleX(1);}
.mk-nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.mk-nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid var(--mk-line);align-items:center;justify-content:center;
}
.mk-nav-toggle span{
  display:block;width:18px;height:2px;background:var(--mk-ink);border-radius:2px;position:relative;
  transition:background .15s ease;
}
.mk-nav-toggle span::before,.mk-nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--mk-ink);border-radius:2px;
  transition:transform .2s ease,top .2s ease;
}
.mk-nav-toggle span::before{top:-6px;}
.mk-nav-toggle span::after{top:6px;}
.mk-nav-toggle.is-open span{background:transparent;}
.mk-nav-toggle.is-open span::before{top:0;transform:rotate(45deg);}
.mk-nav-toggle.is-open span::after{top:0;transform:rotate(-45deg);}
.mk-nav-toggle:hover{border-color:var(--mk-primary);}
.mk-drawer{
  display:none;border-top:1px solid var(--mk-line);background:var(--mk-surface);
  padding:8px 20px 20px;
}
.mk-drawer.is-open{display:block;}
.mk-drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 4px;border-bottom:1px solid var(--mk-line);
  font-size:16px;font-weight:500;color:var(--mk-ink-soft);
}
.mk-drawer-link.is-active{color:var(--mk-primary);font-weight:700;}
.mk-drawer-link:hover{color:var(--mk-ink);}
.mk-drawer .mk-btn{width:100%;margin-top:16px;}

/* ===== 倒计时条 ===== */
.mk-countdown{background:var(--mk-dark);color:#fff;border-bottom:1px solid rgba(255,255,255,.08);}
.mk-countdown-inner{
  min-height:44px;display:flex;align-items:center;gap:16px;flex-wrap:wrap;padding-top:6px;padding-bottom:6px;
}
.mk-pulse{
  width:9px;height:9px;border-radius:50%;background:var(--mk-accent);flex-shrink:0;
  box-shadow:0 0 0 0 rgba(201,242,77,.6);animation:mkPulse 1.8s infinite;
}
@keyframes mkPulse{
  0%{box-shadow:0 0 0 0 rgba(201,242,77,.55);}
  70%{box-shadow:0 0 0 10px rgba(201,242,77,0);}
  100%{box-shadow:0 0 0 0 rgba(201,242,77,0);}
}
.mk-cd-label{font-size:14px;font-weight:600;color:#E9EBF0;letter-spacing:.02em;}
.mk-cd-timer{display:flex;align-items:center;gap:6px;margin-left:auto;}
.mk-cd-cell{
  display:flex;align-items:baseline;gap:4px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);
  border-radius:8px;padding:4px 10px;
}
.mk-cd-cell b{font-size:15px;font-weight:700;color:var(--mk-accent);}
.mk-cd-cell i{font-style:normal;font-size:12px;color:#9BA2B2;}
.mk-cd-link{font-size:13px;color:#A8AEBB;text-decoration:underline;text-underline-offset:3px;}
.mk-cd-link:hover{color:#fff;}

/* ===== Hero ===== */
.mk-hero{position:relative;background:var(--mk-dark);overflow:hidden;}
.mk-hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.55;}
.mk-hero-mask{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(16,19,24,.94) 0%,rgba(16,19,24,.78) 46%,rgba(16,19,24,.5) 100%);
}
.mk-hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;
  min-height:520px;padding-top:64px;padding-bottom:64px;
}
.mk-hero-copy{max-width:640px;}
.mk-hero-tag{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 14px;border-radius:999px;
  background:rgba(201,242,77,.14);border:1px solid rgba(201,242,77,.42);
  color:var(--mk-accent);font-size:12px;font-weight:600;letter-spacing:.04em;
}
.mk-hero h1{color:#fff;font-size:44px;line-height:1.22;margin:20px 0 16px;}
.mk-hero-sub{color:#C7CCD8;font-size:18px;line-height:1.7;max-width:520px;}
.mk-hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.mk-hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.mk-hero-visual{
  position:relative;border-radius:var(--mk-r-hero);overflow:hidden;
  aspect-ratio:4/3;border:1px solid rgba(255,255,255,.14);
  box-shadow:0 24px 60px rgba(0,0,0,.42);
}
.mk-hero-visual img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.mk-hero-visual:hover img{transform:scale(1.03);}
.mk-hero-visual figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:14px 18px;
  background:linear-gradient(transparent,rgba(16,19,24,.9));
  color:#fff;font-size:13px;letter-spacing:.02em;
}

/* ===== 板块通用 ===== */
.mk-section{padding:72px 0;}
.mk-section-alt{background:var(--mk-surface);}
.mk-section-head{max-width:720px;margin-bottom:44px;}
.mk-section-head.is-center{margin-left:auto;margin-right:auto;text-align:center;}
.mk-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  color:var(--mk-primary);letter-spacing:.1em;text-transform:uppercase;margin-bottom:12px;
}
.mk-eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--mk-primary);}
.mk-section-head h2{margin-bottom:14px;}
.mk-section-head p{color:var(--mk-ink-soft);font-size:17px;}
.mk-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px;}

/* ===== 卖点：编号竖线式 ===== */
.mk-points{display:grid;grid-template-columns:1fr 1fr;gap:0 56px;}
.mk-points .mk-point:nth-child(even){transform:translateY(32px);}
.mk-point{
  position:relative;padding:26px 0 26px 24px;border-left:3px solid var(--mk-line);
  transition:border-color .18s ease,background-color .18s ease;
}
.mk-point:hover{border-left-color:var(--mk-primary);}
.mk-point-no{
  font-size:40px;font-weight:800;line-height:1;color:var(--mk-muted-bg);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;transition:color .18s ease;
}
.mk-point:hover .mk-point-no{color:var(--mk-primary);}
.mk-point h3{font-size:20px;margin:10px 0 8px;}
.mk-point p{color:var(--mk-ink-soft);font-size:16px;}

/* ===== 亮点图墙 ===== */
.mk-wall{
  display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:158px;gap:14px;
}
.mk-wall-item{
  position:relative;overflow:hidden;border-radius:var(--mk-r-img);
  background:rgba(232,69,44,.08);border:1px solid var(--mk-line);
  transition:transform .12s ease-out,box-shadow .12s ease-out;
}
.mk-wall-item img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.mk-wall-item figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:14px;
  background:linear-gradient(transparent,rgba(16,19,24,.88));
  color:#fff;font-size:14px;font-weight:600;
  opacity:0;transform:translateY(6px);transition:opacity .2s ease,transform .2s ease;
}
.mk-wall-item:hover{transform:translateY(-2px);box-shadow:var(--mk-shadow-hover);}
.mk-wall-item:hover img{transform:scale(1.03);}
.mk-wall-item:hover figcaption{opacity:1;transform:translateY(0);}
.mk-wall-lg{grid-column:span 2;grid-row:span 2;}

/* ===== CTA + 表单 ===== */
.mk-cta{position:relative;background:var(--mk-dark);color:#fff;overflow:hidden;}
.mk-cta-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.22;}
.mk-cta-mask{position:absolute;inset:0;background:linear-gradient(90deg,rgba(16,19,24,.96),rgba(16,19,24,.78));}
.mk-cta-inner{position:relative;z-index:2;padding:64px 0;}
.mk-cta-top{display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:center;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.12);}
.mk-cta-top h2{color:#fff;font-size:32px;margin-bottom:12px;}
.mk-cta-top p{color:#C7CCD8;font-size:17px;max-width:560px;}
.mk-cta-buttons{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}
.mk-form-wrap{margin-top:40px;max-width:860px;}
.mk-form-title{font-size:15px;font-weight:600;color:var(--mk-accent);letter-spacing:.04em;margin-bottom:18px;}
.mk-form{display:grid;grid-template-columns:1fr 1fr 1fr auto;gap:16px;align-items:end;}
.mk-field{display:flex;flex-direction:column;gap:8px;}
.mk-field label{font-size:13px;color:#A8AEBB;}
.mk-input{
  height:48px;width:100%;padding:0 14px;border-radius:var(--mk-r-btn);
  background:var(--mk-muted-bg);border:1.5px solid transparent;color:var(--mk-ink);
  transition:border-color .15s ease,background-color .15s ease;
}
.mk-input::placeholder{color:#9AA0AE;}
.mk-input:focus{outline:none;border-color:var(--mk-primary);background:#fff;}
.mk-field.has-error .mk-input{border-color:var(--mk-warn);}
.mk-field-error{font-size:13px;color:var(--mk-warn);min-height:0;}
.mk-form .mk-btn{height:48px;}
.mk-agree{display:flex;align-items:flex-start;gap:10px;margin-top:18px;font-size:13px;color:#A8AEBB;}
.mk-agree input{width:16px;height:16px;margin-top:4px;accent-color:var(--mk-primary);}
.mk-form-note{
  display:none;margin-top:18px;padding:12px 16px;border-radius:var(--mk-r-btn);
  background:rgba(201,242,77,.14);border:1px solid rgba(201,242,77,.45);
  color:var(--mk-accent);font-size:14px;
}
.mk-form-note.is-show{display:block;}

/* ===== FAQ ===== */
.mk-faq{max-width:860px;margin:0 auto;}
.mk-faq .accordion{margin:0;padding:0;list-style:none;background:transparent;border:0;}
.mk-faq .accordion-item{
  background:transparent;border:0;border-bottom:1px solid var(--mk-line);
  transition:background-color .18s ease;padding:0 20px;
}
.mk-faq .accordion-item.is-active{background:var(--mk-surface);border-radius:12px;border-bottom-color:transparent;box-shadow:var(--mk-shadow);}
.mk-faq .accordion-title{
  display:flex;align-items:center;gap:16px;position:relative;
  padding:24px 52px 24px 0;border:0;background:transparent;
  font-size:17px;font-weight:600;color:var(--mk-ink);line-height:1.5;
  transition:color .15s ease;
}
.mk-faq .accordion-title:hover{color:var(--mk-primary);}
.mk-faq .accordion-item.is-active .accordion-title{color:var(--mk-primary);}
.mk-faq .mk-faq-no{
  font-size:14px;font-weight:700;color:#B4B8C2;font-variant-numeric:tabular-nums;
  flex-shrink:0;min-width:26px;
}
.mk-faq .accordion-item.is-active .mk-faq-no{color:var(--mk-primary);}
.mk-faq .accordion-title::after{
  content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);
  width:30px;height:30px;line-height:28px;text-align:center;border-radius:50%;
  border:1.5px solid var(--mk-line);color:var(--mk-ink-soft);
  font-size:17px;font-weight:600;transition:all .18s ease;
}
.mk-faq .accordion-item.is-active .accordion-title::after{
  content:"−";border-color:var(--mk-primary);color:var(--mk-primary);
}
.mk-faq .accordion-content{
  padding:0 0 24px 42px;border:0;background:transparent;
  color:var(--mk-ink-soft);font-size:16px;line-height:1.8;
}

/* ===== 最新信息 ===== */
.mk-news-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 48px;}
.mk-news-item{
  display:grid;grid-template-columns:76px 1fr;gap:20px;
  padding:26px 0;border-bottom:1px solid var(--mk-line);
  transition:background-color .15s ease;
}
.mk-news-item:hover{background-color:rgba(232,69,44,.03);}
.mk-news-date{
  font-size:13px;font-weight:700;color:var(--mk-ink-soft);
  font-variant-numeric:tabular-nums;line-height:1.5;padding-top:3px;
}
.mk-news-body{min-width:0;}
.mk-news-title{
  font-size:18px;font-weight:700;line-height:1.45;margin:10px 0 8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .15s ease;
}
.mk-news-item:hover .mk-news-title{color:var(--mk-primary);}
.mk-news-desc{
  color:var(--mk-ink-soft);font-size:15px;line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.mk-news-meta{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:12px;font-size:13px;color:#8A90A0;
}
.mk-arrow{transition:transform .18s ease;font-size:15px;color:var(--mk-primary);}
.mk-news-item:hover .mk-arrow{transform:translateX(4px);}
.mk-empty{
  border:1px dashed var(--mk-line);border-radius:var(--mk-r-card);
  background:var(--mk-surface);padding:56px 24px;text-align:center;
}
.mk-empty-icon{
  width:56px;height:56px;margin:0 auto 18px;border-radius:16px;
  background:rgba(232,69,44,.08);color:var(--mk-primary);
  display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:800;
}
.mk-empty p{color:var(--mk-ink-soft);margin-bottom:20px;}

/* ===== 页脚 ===== */
.mk-footer{background:var(--mk-dark);color:#A8AEBB;border-top:3px solid var(--mk-primary);}
.mk-footer-inner{padding:56px 0 0;}
.mk-footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px;}
.mk-footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.mk-footer-brand .mk-logo-mark{width:34px;height:34px;font-size:18px;}
.mk-footer-brand span{color:#fff;font-size:17px;font-weight:800;}
.mk-footer-desc{font-size:14px;line-height:1.8;color:#9BA2B2;max-width:340px;}
.mk-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.mk-footer-links li{margin-bottom:10px;}
.mk-footer-links a{font-size:14px;color:#A8AEBB;transition:color .15s ease;}
.mk-footer-links a:hover{color:#fff;}
.mk-footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0 28px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#7C8292;
}
.mk-footer-note{font-size:12px;color:#6E7484;line-height:1.8;padding-bottom:18px;}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .mk-container{padding:0 20px;}
  .mk-hero h1{font-size:38px;}
  .mk-points{gap:0 40px;}
  .mk-wall{grid-auto-rows:140px;}
}
@media (max-width:1023px){
  h1{font-size:34px;}
  h2{font-size:26px;}
  .mk-nav-desktop{display:none;}
  .mk-nav-toggle{display:flex;}
  .mk-nav-inner{gap:16px;}
  .mk-logo-text{font-size:16px;}
  .mk-hero-inner{grid-template-columns:1fr;gap:32px;min-height:0;padding-top:48px;padding-bottom:48px;}
  .mk-hero h1{font-size:34px;}
  .mk-hero-visual{aspect-ratio:16/10;}
  .mk-section{padding:56px 0;}
  .mk-points{grid-template-columns:1fr;gap:0;}
  .mk-points .mk-point:nth-child(even){transform:none;}
  .mk-wall{grid-template-columns:repeat(2,1fr);grid-auto-rows:150px;}
  .mk-wall-lg{grid-column:span 2;grid-row:span 1;}
  .mk-cta-top{grid-template-columns:1fr;gap:24px;}
  .mk-cta-buttons{justify-content:flex-start;}
  .mk-form{grid-template-columns:1fr 1fr;}
  .mk-form .mk-btn{grid-column:span 2;width:100%;}
  .mk-news-grid{grid-template-columns:1fr;gap:0;}
  .mk-footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .mk-footer-desc{max-width:none;}
  .mk-wall-item figcaption{opacity:1;transform:none;}
}
@media (max-width:639px){
  body{font-size:16px;}
  h1{font-size:28px;}
  h2{font-size:24px;}
  h3{font-size:19px;}
  .mk-container{padding:0 16px;}
  .mk-nav-inner{padding:0 16px;height:56px;}
  .mk-header.is-scrolled .mk-nav-inner{height:56px;}
  .mk-logo-mark{width:32px;height:32px;border-radius:10px;font-size:17px;}
  .mk-logo-text{font-size:15px;}
  .mk-nav-actions .mk-badge{display:none;}
  .mk-btn{height:44px;padding:0 20px;font-size:15px;}
  .mk-countdown-inner{min-height:56px;padding:10px 0;gap:10px;}
  .mk-cd-timer{margin-left:0;width:100%;}
  .mk-cd-link{margin-left:auto;}
  .mk-hero h1{font-size:28px;}
  .mk-hero-sub{font-size:16px;}
  .mk-hero-cta .mk-btn{flex:1 1 100%;}
  .mk-section{padding:48px 0;}
  .mk-section-head{margin-bottom:32px;}
  .mk-point-no{font-size:34px;}
  .mk-wall{grid-template-columns:1fr;grid-auto-rows:180px;}
  .mk-wall-lg{grid-column:span 1;}
  .mk-form{grid-template-columns:1fr;}
  .mk-form .mk-btn{grid-column:span 1;}
  .mk-cta-inner{padding:48px 0;}
  .mk-cta-top h2{font-size:24px;}
  .mk-faq .accordion-item{padding:0 14px;}
  .mk-faq .accordion-title{font-size:16px;padding:20px 44px 20px 0;}
  .mk-faq .accordion-content{padding-left:0;}
  .mk-news-item{grid-template-columns:64px 1fr;gap:14px;}
  .mk-footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .mk-footer-bottom{flex-direction:column;gap:8px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
  .mk-wall-item:hover,.mk-btn:hover,.mk-btn-primary:hover{transform:none;}
  .mk-hero-visual:hover img{transform:none;}
}

/* roulang page: article */
:root{
  --mk-ink:#14161B;
  --mk-ink-soft:#5A6070;
  --mk-bg:#F7F5F1;
  --mk-surface:#FFFFFF;
  --mk-primary:#E8452C;
  --mk-primary-dark:#C1301A;
  --mk-accent:#C9F24D;
  --mk-accent-ink:#1B2408;
  --mk-dark:#101318;
  --mk-line:#E3DFD7;
  --mk-muted-bg:#EFEBE3;
  --mk-warn:#FFC53D;
  --mk-r-card:14px;
  --mk-r-img:12px;
  --mk-r-btn:10px;
  --mk-shadow:0 1px 2px rgba(20,22,27,.06),0 8px 24px rgba(20,22,27,.08);
  --mk-shadow-hover:0 2px 4px rgba(20,22,27,.08),0 14px 32px rgba(20,22,27,.12);
  --mk-container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--mk-bg);
  color:var(--mk-ink);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.8;
  letter-spacing:.01em;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--mk-primary);text-decoration:none;}
a:hover{color:var(--mk-primary-dark);}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding-left:1.2em;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(232,69,44,.35);outline-offset:2px;border-radius:6px;}

.mk-container{max-width:var(--mk-container);margin:0 auto;padding:0 20px;}
.mk-section{padding:72px 0;}
.mk-section-alt{background:var(--mk-surface);}
.mk-eyebrow{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.12em;
  text-transform:uppercase;color:var(--mk-ink-soft);margin-bottom:12px;
}
.mk-h2{font-size:32px;line-height:1.25;font-weight:700;letter-spacing:0;}
.mk-h3{font-size:22px;line-height:1.3;font-weight:700;}
.mk-h4{font-size:18px;line-height:1.4;font-weight:700;}
.mk-lead{font-size:17px;line-height:1.8;color:var(--mk-ink-soft);max-width:720px;}
.mk-divider{height:1px;background:var(--mk-line);border:0;margin:0;}

/* 顶部导航 */
.mk-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--mk-line);
  transition:box-shadow .18s ease,padding .18s ease;
}
.mk-header.is-shrunk{box-shadow:0 6px 20px rgba(20,22,27,.08);}
.mk-nav-inner{
  max-width:var(--mk-container);margin:0 auto;padding:0 20px;
  height:68px;display:flex;align-items:center;gap:24px;
}
.mk-header.is-shrunk .mk-nav-inner{height:60px;}
.mk-logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--mk-ink);flex:0 0 auto;}
.mk-logo-mark{
  width:34px;height:34px;border-radius:10px;
  background:var(--mk-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:17px;letter-spacing:0;
}
.mk-logo-text{font-weight:800;font-size:17px;letter-spacing:.01em;white-space:nowrap;}
.mk-nav-desktop{display:flex;align-items:center;gap:6px;margin-left:8px;flex:1 1 auto;}
.mk-nav-link{
  position:relative;display:inline-flex;align-items:center;height:68px;
  padding:0 12px;font-size:15px;color:var(--mk-ink-soft);font-weight:500;
  text-decoration:none;white-space:nowrap;transition:color .16s ease;
}
.mk-header.is-shrunk .mk-nav-link{height:60px;}
.mk-nav-link:hover{color:var(--mk-ink);}
.mk-nav-link.is-active{color:var(--mk-ink);font-weight:700;}
.mk-nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:12px;height:3px;
  background:var(--mk-primary);border-radius:999px;
}
.mk-header.is-shrunk .mk-nav-link.is-active::after{bottom:10px;}
.mk-nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.mk-nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--mk-line);
  background:var(--mk-surface);cursor:pointer;position:relative;
}
.mk-nav-toggle span,
.mk-nav-toggle span::before,
.mk-nav-toggle span::after{
  position:absolute;left:11px;right:11px;height:2px;background:var(--mk-ink);
  border-radius:2px;content:"";transition:transform .18s ease,opacity .18s ease;
}
.mk-nav-toggle span{top:20px;}
.mk-nav-toggle span::before{top:-6px;left:0;right:0;}
.mk-nav-toggle span::after{top:6px;left:0;right:0;}
.mk-nav-toggle.is-open span{background:transparent;}
.mk-nav-toggle.is-open span::before{transform:translateY(6px) rotate(45deg);}
.mk-nav-toggle.is-open span::after{transform:translateY(-6px) rotate(-45deg);}
.mk-drawer{
  display:none;flex-direction:column;gap:4px;
  padding:12px 20px 20px;background:var(--mk-surface);
  border-top:1px solid var(--mk-line);
}
.mk-drawer.is-open{display:flex;}
.mk-drawer-link{
  padding:13px 4px;font-size:16px;color:var(--mk-ink-soft);
  border-bottom:1px solid var(--mk-line);text-decoration:none;
}
.mk-drawer-link.is-active{color:var(--mk-primary);font-weight:700;}
.mk-drawer .mk-btn{margin-top:14px;justify-content:center;}

/* 按钮 */
.mk-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--mk-r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1.5px solid transparent;cursor:pointer;text-decoration:none;
  transition:background .16s ease,color .16s ease,transform .16s ease,box-shadow .16s ease,border-color .16s ease;
}
.mk-btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:9px;}
.mk-btn-primary{background:var(--mk-primary);color:#fff;box-shadow:0 6px 16px rgba(232,69,44,.22);}
.mk-btn-primary:hover{background:var(--mk-primary-dark);color:#fff;transform:translateY(-1px);}
.mk-btn-primary:active{transform:translateY(0);}
.mk-btn-ghost{background:transparent;border-color:var(--mk-ink);color:var(--mk-ink);}
.mk-btn-ghost:hover{background:var(--mk-ink);color:#fff;}
.mk-btn-lime{background:transparent;border-color:var(--mk-accent);color:var(--mk-accent);}
.mk-btn-lime:hover{background:var(--mk-accent);color:var(--mk-accent-ink);}
.mk-btn-block{width:100%;}

/* 徽章 */
.mk-badge{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 11px;
  border-radius:999px;font-size:12px;font-weight:600;line-height:1;
  background:var(--mk-muted-bg);color:var(--mk-ink-soft);white-space:nowrap;
}
.mk-badge-accent{background:var(--mk-accent);color:var(--mk-accent-ink);}
.mk-badge-outline{background:transparent;border:1px solid var(--mk-line);color:var(--mk-ink-soft);}
.mk-dot{width:7px;height:7px;border-radius:50%;background:var(--mk-accent);display:inline-block;}

/* 面包屑 */
.mk-crumb-bar{background:var(--mk-surface);border-bottom:1px solid var(--mk-line);}
.mk-crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  padding:14px 0;font-size:13px;color:var(--mk-ink-soft);
}
.mk-crumb a{color:var(--mk-ink-soft);text-decoration:none;}
.mk-crumb a:hover{color:var(--mk-primary);}
.mk-crumb .mk-crumb-current{
  max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  color:var(--mk-ink);font-weight:600;
}
.mk-crumb-sep{color:#B8B3A9;}

/* 文章头 */
.mk-article-head{padding:44px 0 28px;background:linear-gradient(180deg,#FFFFFF 0%,var(--mk-bg) 100%);}
.mk-article-head-inner{max-width:820px;margin:0 auto;}
.mk-article-tags-top{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px;}
.mk-article-title{
  font-size:40px;line-height:1.25;font-weight:800;letter-spacing:0;
  max-width:100%;margin-bottom:18px;
}
.mk-meta-row{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:14px;color:var(--mk-ink-soft);
  font-variant-numeric:tabular-nums;
  padding-bottom:22px;border-bottom:1px solid var(--mk-line);
}
.mk-meta-sep{color:#C4BFB5;}

/* 正文阅读区 */
.mk-read-wrap{padding:48px 0 8px;background:var(--mk-bg);}
.mk-article-body{max-width:760px;margin:0 auto;font-size:17px;line-height:1.8;}
.mk-article-body > * + *{margin-top:1em;}
.mk-article-body h2{
  position:relative;font-size:26px;line-height:1.35;font-weight:700;
  margin-top:44px;margin-bottom:14px;padding-left:16px;
}
.mk-article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:3px;
  background:var(--mk-primary);border-radius:2px;
}
.mk-article-body h3{font-size:19px;font-weight:700;margin-top:32px;margin-bottom:10px;}
.mk-article-body p{color:#25282F;}
.mk-article-body ul,.mk-article-body ol{color:#25282F;}
.mk-article-body li{margin:.4em 0;line-height:1.7;}
.mk-article-body a{color:var(--mk-primary);text-decoration:underline;text-underline-offset:4px;}
.mk-article-body a:hover{text-decoration-thickness:2px;}
.mk-article-body blockquote{
  margin:26px 0;padding:16px 20px;background:var(--mk-surface);
  border-left:3px solid var(--mk-primary);border-radius:0 10px 10px 0;
  color:var(--mk-ink-soft);
}
.mk-article-body img{border-radius:var(--mk-r-img);margin:24px 0;}
.mk-article-body figure{margin:26px 0;}
.mk-article-body figcaption{
  font-size:14px;color:var(--mk-ink-soft);text-align:center;margin-top:10px;
}
.mk-article-body table{
  width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;
  background:var(--mk-surface);border-radius:10px;overflow:hidden;
}
.mk-article-body th,.mk-article-body td{
  padding:12px 14px;border:1px solid var(--mk-line);text-align:left;
}
.mk-article-body th{background:var(--mk-muted-bg);font-weight:700;}
.mk-article-body tbody tr:nth-child(even){background:#FAF8F4;}

.mk-empty{
  max-width:760px;margin:0 auto;padding:48px 24px;text-align:center;
  background:var(--mk-surface);border:1px solid var(--mk-line);border-radius:var(--mk-r-card);
}
.mk-empty-mark{
  width:56px;height:56px;border-radius:16px;margin:0 auto 16px;
  background:rgba(232,69,44,.08);color:var(--mk-primary);
  display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:800;
}
.mk-empty h3{font-size:20px;font-weight:700;margin-bottom:8px;}
.mk-empty p{color:var(--mk-ink-soft);font-size:15px;margin-bottom:20px;}

/* 标签组 */
.mk-tag-row{
  max-width:760px;margin:40px auto 0;display:flex;align-items:center;
  gap:10px;flex-wrap:wrap;padding-top:24px;border-top:1px solid var(--mk-line);
}
.mk-tag-row .mk-tag-label{font-size:13px;color:var(--mk-ink-soft);}
.mk-tag{
  display:inline-flex;align-items:center;height:28px;padding:0 13px;
  border-radius:999px;background:var(--mk-muted-bg);color:var(--mk-ink-soft);
  font-size:13px;text-decoration:none;transition:background .16s ease,color .16s ease;
}
.mk-tag:hover{background:var(--mk-primary);color:#fff;}

/* 上下篇 */
.mk-prevnext{
  max-width:760px;margin:36px auto 0;
  display:grid;grid-template-columns:1fr 1fr;gap:16px;
}
.mk-pn-card{
  display:block;background:var(--mk-surface);border:1px solid var(--mk-line);
  border-radius:var(--mk-r-card);padding:18px 20px;text-decoration:none;
  color:var(--mk-ink);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.mk-pn-card:hover{transform:translateY(-2px);box-shadow:var(--mk-shadow-hover);border-color:#D6D0C6;color:var(--mk-ink);}
.mk-pn-label{font-size:12px;color:var(--mk-ink-soft);letter-spacing:.08em;margin-bottom:6px;display:block;}
.mk-pn-title{font-size:15px;font-weight:600;line-height:1.5;display:block;}
.mk-pn-card.is-next{text-align:right;}

/* 相关推荐 */
.mk-rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:28px;}
.mk-card{
  display:flex;flex-direction:column;background:var(--mk-surface);
  border:1px solid var(--mk-line);border-radius:var(--mk-r-card);overflow:hidden;
  text-decoration:none;color:var(--mk-ink);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.mk-card:hover{transform:translateY(-2px);box-shadow:var(--mk-shadow-hover);border-color:#D6D0C6;color:var(--mk-ink);}
.mk-card-cover{position:relative;aspect-ratio:16/9;background:rgba(232,69,44,.08);overflow:hidden;}
.mk-card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .18s ease-out;}
.mk-card:hover .mk-card-cover img{transform:scale(1.03);}
.mk-card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.mk-card-title{font-size:17px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.mk-card-desc{font-size:14px;color:var(--mk-ink-soft);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.mk-card-foot{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:auto;font-size:13px;color:var(--mk-ink-soft);font-variant-numeric:tabular-nums;
}
.mk-card-arrow{transition:transform .18s ease;color:var(--mk-primary);}
.mk-card:hover .mk-card-arrow{transform:translateX(4px);}

/* CTA 通栏 */
.mk-cta{background:var(--mk-dark);color:#fff;border-top:1px solid rgba(255,255,255,.08);}
.mk-cta-inner{
  display:grid;grid-template-columns:1.4fr .9fr;gap:32px;align-items:center;
  padding:56px 0;
}
.mk-cta h2{font-size:28px;line-height:1.3;font-weight:800;color:#fff;margin-bottom:10px;}
.mk-cta p{color:#A8AEBB;font-size:15px;line-height:1.8;max-width:560px;}
.mk-cta-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end;}
.mk-cta-note{margin-top:18px;font-size:13px;color:#8B919C;}

/* FAQ */
.mk-faq{max-width:860px;margin:36px auto 0;background:var(--mk-surface);border:1px solid var(--mk-line);border-radius:var(--mk-r-card);overflow:hidden;}
.mk-faq-item + .mk-faq-item{border-top:1px solid var(--mk-line);}
.mk-faq-q{
  width:100%;display:flex;align-items:flex-start;gap:14px;
  padding:20px 22px;background:transparent;border:0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--mk-ink);line-height:1.6;
}
.mk-faq-q:hover{background:#FBFAF7;}
.mk-faq-num{font-size:13px;color:var(--mk-primary);font-weight:700;font-variant-numeric:tabular-nums;padding-top:3px;}
.mk-faq-icon{margin-left:auto;color:var(--mk-ink-soft);font-size:15px;transition:transform .18s ease;padding-top:3px;}
.mk-faq-item.is-open .mk-faq-icon{transform:rotate(45deg);color:var(--mk-primary);}
.mk-faq-item.is-open .mk-faq-q{color:var(--mk-primary);}
.mk-faq-a{display:none;padding:0 22px 22px 56px;color:var(--mk-ink-soft);font-size:15px;line-height:1.85;}
.mk-faq-item.is-open .mk-faq-a{display:block;}

/* 页脚 */
.mk-footer{background:var(--mk-dark);color:#fff;border-top:3px solid var(--mk-primary);}
.mk-footer-inner{padding:56px 0 28px;}
.mk-footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;}
.mk-footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;margin-bottom:14px;}
.mk-footer-desc{color:#A8AEBB;font-size:14px;line-height:1.8;max-width:360px;}
.mk-footer h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:.04em;}
.mk-footer-links{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;}
.mk-footer-links a{color:#A8AEBB;font-size:14px;text-decoration:none;transition:color .16s ease;}
.mk-footer-links a:hover{color:#fff;}
.mk-footer-note{
  margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  color:#8B919C;font-size:13px;line-height:1.8;
}
.mk-footer-bottom{
  margin-top:18px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  color:#8B919C;font-size:13px;
}

@media (max-width:1023px){
  .mk-nav-desktop{display:none;}
  .mk-nav-toggle{display:block;}
  .mk-article-title{font-size:32px;}
  .mk-rel-grid{grid-template-columns:repeat(2,1fr);}
  .mk-cta-inner{grid-template-columns:1fr;padding:48px 0;}
  .mk-cta-actions{justify-content:flex-start;}
  .mk-footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:639px){
  body{font-size:16px;}
  .mk-container{padding:0 16px;}
  .mk-section{padding:48px 0;}
  .mk-h2{font-size:24px;}
  .mk-nav-inner{height:56px;padding:0 16px;gap:12px;}
  .mk-header.is-shrunk .mk-nav-inner{height:56px;}
  .mk-logo-text{font-size:15px;}
  .mk-nav-actions .mk-badge{display:none;}
  .mk-nav-actions .mk-btn-sm{display:none;}
  .mk-article-head{padding:28px 0 20px;}
  .mk-article-title{font-size:28px;}
  .mk-read-wrap{padding:32px 0 8px;}
  .mk-prevnext{grid-template-columns:1fr;}
  .mk-pn-card.is-next{text-align:left;}
  .mk-rel-grid{grid-template-columns:1fr;}
  .mk-cta h2{font-size:22px;}
  .mk-faq-a{padding-left:22px;}
  .mk-footer-grid{grid-template-columns:1fr;gap:24px;}
  .mk-footer-inner{padding:40px 0 24px;}
  .mk-crumb .mk-crumb-current{max-width:200px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;}
  .mk-card:hover,.mk-pn-card:hover{transform:none;}
}

/* roulang page: category1 */
:root{
  --mk-ink:#14161B;
  --mk-ink-soft:#5A6070;
  --mk-bg:#F7F5F1;
  --mk-surface:#FFFFFF;
  --mk-primary:#E8452C;
  --mk-primary-dark:#C1301A;
  --mk-accent:#C9F24D;
  --mk-accent-ink:#1B2408;
  --mk-dark:#101318;
  --mk-line:#E3DFD7;
  --mk-muted-bg:#EFEBE3;
  --mk-warn:#FFC53D;
  --mk-r-card:14px;
  --mk-r-img:12px;
  --mk-r-hero:20px;
  --mk-r-btn:10px;
  --mk-shadow:0 1px 2px rgba(20,22,27,.06),0 8px 24px rgba(20,22,27,.08);
  --mk-shadow-hover:0 2px 4px rgba(20,22,27,.08),0 14px 32px rgba(20,22,27,.12);
  --mk-max:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.8;
  letter-spacing:.01em;
  color:var(--mk-ink);
  background:var(--mk-bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--mk-primary);text-decoration:none;transition:color .16s ease,opacity .16s ease}
a:hover{color:var(--mk-primary-dark)}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:.01em;}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font-family:inherit;font-size:inherit}
:focus-visible{outline:3px solid rgba(232,69,44,.35);outline-offset:2px;border-radius:6px}
.mk-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.mk-container{width:100%;max-width:var(--mk-max);margin:0 auto;padding:0 20px}
.mk-num{font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.mk-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,241,.96);
  border-bottom:1px solid var(--mk-line);
  transition:box-shadow .2s ease,background .2s ease;
}
.mk-header.is-scrolled{box-shadow:0 6px 24px rgba(20,22,27,.10);background:rgba(247,245,241,.99)}
.mk-nav-inner{
  max-width:var(--mk-max);margin:0 auto;padding:0 20px;
  height:68px;display:flex;align-items:center;gap:24px;
  transition:height .2s ease;
}
.mk-header.is-scrolled .mk-nav-inner{height:60px}
.mk-logo{display:flex;align-items:center;gap:10px;color:var(--mk-ink);flex:0 0 auto}
.mk-logo:hover{color:var(--mk-ink)}
.mk-logo-mark{
  width:36px;height:36px;border-radius:10px;
  background:linear-gradient(135deg,var(--mk-primary),#F2714F);
  color:#fff;font-weight:800;font-size:18px;
  display:flex;align-items:center;justify-content:center;
  letter-spacing:0;flex:0 0 auto;
}
.mk-logo-text{font-weight:700;font-size:17px;white-space:nowrap}
.mk-nav-desktop{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1 1 auto}
.mk-nav-link{
  position:relative;display:inline-block;
  padding:8px 12px;font-size:15px;font-weight:500;color:var(--mk-ink-soft);
  border-radius:8px;white-space:nowrap;
}
.mk-nav-link:hover{color:var(--mk-ink);background:rgba(227,223,215,.55)}
.mk-nav-link.is-active{color:var(--mk-primary);font-weight:700}
.mk-nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:-14px;height:3px;
  background:var(--mk-primary);border-radius:3px;
}
.mk-nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.mk-badge{
  display:inline-flex;align-items:center;gap:6px;
  height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:600;line-height:1;
  background:var(--mk-muted-bg);color:var(--mk-ink-soft);white-space:nowrap;
}
.mk-badge-accent{background:var(--mk-accent);color:var(--mk-accent-ink)}
.mk-badge-primary{background:rgba(232,69,44,.12);color:var(--mk-primary-dark)}
.mk-badge-dark{background:rgba(255,255,255,.14);color:#fff}
.mk-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--mk-r-btn);
  font-weight:600;font-size:16px;line-height:1;
  transition:transform .14s ease,background .16s ease,box-shadow .16s ease,color .16s ease,border-color .16s ease;
  border:1.5px solid transparent;
}
.mk-btn-sm{height:40px;padding:0 18px;font-size:14px}
.mk-btn-lg{height:52px;padding:0 30px;font-size:17px}
.mk-btn-primary{background:var(--mk-primary);color:#fff}
.mk-btn-primary:hover{background:var(--mk-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(232,69,44,.28)}
.mk-btn-primary:active{transform:translateY(0)}
.mk-btn-ghost{border-color:var(--mk-ink);color:var(--mk-ink);background:transparent}
.mk-btn-ghost:hover{background:var(--mk-ink);color:#fff;transform:translateY(-1px)}
.mk-btn-ghost:active{transform:translateY(0)}
.mk-btn-lime{border-color:var(--mk-accent);color:var(--mk-accent);background:transparent}
.mk-btn-lime:hover{background:var(--mk-accent);color:var(--mk-accent-ink);transform:translateY(-1px)}
.mk-btn-lime:active{transform:translateY(0)}
.mk-nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid var(--mk-line);background:var(--mk-surface);
  align-items:center;justify-content:center;flex:0 0 auto;
}
.mk-nav-toggle span,.mk-nav-toggle span::before,.mk-nav-toggle span::after{
  display:block;width:18px;height:2px;background:var(--mk-ink);border-radius:2px;content:"";position:relative;
}
.mk-nav-toggle span::before{position:absolute;top:-6px}
.mk-nav-toggle span::after{position:absolute;top:6px}
.mk-nav-toggle:hover{background:var(--mk-muted-bg)}
.mk-drawer{
  display:none;flex-direction:column;gap:6px;
  padding:12px 20px 22px;background:var(--mk-bg);border-bottom:1px solid var(--mk-line);
}
.mk-drawer.is-open{display:flex}
.mk-drawer-link{
  padding:12px 14px;border-radius:10px;font-size:16px;font-weight:500;
  color:var(--mk-ink);background:var(--mk-surface);border:1px solid var(--mk-line);
}
.mk-drawer-link:hover{color:var(--mk-ink);background:var(--mk-muted-bg)}
.mk-drawer-link.is-active{color:var(--mk-primary);border-color:rgba(232,69,44,.4);font-weight:700}
.mk-drawer .mk-btn{margin-top:10px}

/* ---------- ticker ---------- */
.mk-ticker{background:var(--mk-dark);color:#C9CDD6;font-size:14px}
.mk-ticker-inner{
  max-width:var(--mk-max);margin:0 auto;padding:0 20px;
  min-height:44px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.mk-ticker-left{display:flex;align-items:center;gap:10px;padding:6px 0}
.mk-dot{
  width:9px;height:9px;border-radius:50%;background:var(--mk-accent);
  box-shadow:0 0 0 0 rgba(201,242,77,.6);animation:mkPulse 2.2s infinite;flex:0 0 auto;
}
@keyframes mkPulse{
  0%{box-shadow:0 0 0 0 rgba(201,242,77,.55)}
  70%{box-shadow:0 0 0 10px rgba(201,242,77,0)}
  100%{box-shadow:0 0 0 0 rgba(201,242,77,0)}
}
.mk-ticker-mid{display:flex;align-items:center;gap:8px;color:#fff;font-weight:600;padding:6px 0}
.mk-ticker-mid .mk-ticker-sep{color:#4A5262}
.mk-ticker-right a{color:var(--mk-accent);font-size:13px;font-weight:600}
.mk-ticker-right a:hover{color:#fff}

/* ---------- page hero ---------- */
.mk-pagehero{
  position:relative;
  background:linear-gradient(rgba(16,19,24,.74),rgba(16,19,24,.78)),url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  color:#fff;padding:56px 0 60px;
}
.mk-crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:#A8AEBB;margin-bottom:18px;flex-wrap:wrap}
.mk-crumb a{color:#D6DAE2}
.mk-crumb a:hover{color:var(--mk-accent)}
.mk-crumb .mk-crumb-now{color:#fff;font-weight:600}
.mk-hero-grid{display:flex;align-items:center;gap:48px;flex-wrap:wrap}
.mk-hero-copy{flex:1 1 420px;min-width:0}
.mk-hero-media{flex:0 1 400px;min-width:280px}
.mk-hero-kicker{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(201,242,77,.14);color:var(--mk-accent);
  border:1px solid rgba(201,242,77,.4);
  height:28px;padding:0 14px;border-radius:999px;font-size:12px;font-weight:600;margin-bottom:18px;
}
.mk-pagehero h1{
  font-size:44px;font-weight:800;line-height:1.2;margin-bottom:16px;
  color:#fff;letter-spacing:.01em;
}
.mk-hero-sub{font-size:17px;line-height:1.8;color:#D2D6DE;max-width:600px;margin-bottom:22px}
.mk-hero-tags{display:flex;flex-wrap:wrap;gap:10px}
.mk-hero-tags .mk-badge{height:28px;font-size:12.5px;background:rgba(255,255,255,.12);color:#fff}
.mk-hero-tags .mk-badge-accent{background:var(--mk-accent);color:var(--mk-accent-ink)}
.mk-hero-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:var(--mk-r-hero);border:1px solid rgba(255,255,255,.16);
}

/* ---------- sections ---------- */
.mk-section{padding:72px 0}
.mk-section-alt{background:var(--mk-surface)}
.mk-section-dark{background:var(--mk-dark);color:#D6DAE2}
.mk-sec-head{margin-bottom:36px;max-width:760px}
.mk-sec-head h2{font-size:32px;margin-bottom:12px}
.mk-sec-head p{color:var(--mk-ink-soft);font-size:16px;margin:0}
.mk-section-dark .mk-sec-head p{color:#A8AEBB}
.mk-sec-head-center{margin-left:auto;margin-right:auto;text-align:center}

/* ---------- flow steps ---------- */
.mk-flow{display:flex;flex-wrap:wrap;gap:24px}
.mk-flow-item{
  flex:1 1 200px;position:relative;padding-left:20px;
  border-left:3px solid var(--mk-primary);
}
.mk-flow-item:nth-child(even){margin-top:28px}
.mk-flow-num{
  font-size:34px;font-weight:800;color:rgba(232,69,44,.22);line-height:1;
  font-variant-numeric:tabular-nums;margin-bottom:6px;
}
.mk-flow-item h3{font-size:20px;margin-bottom:8px}
.mk-flow-item p{font-size:15px;color:var(--mk-ink-soft);margin:0;line-height:1.7}

/* ---------- card grid ---------- */
.mk-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-left:0;margin-right:0}
.mk-cards > .cell{width:auto;margin:0;min-width:0;display:flex}
.mk-card{
  display:flex;flex-direction:column;width:100%;
  background:var(--mk-surface);border:1px solid var(--mk-line);
  border-radius:var(--mk-r-card);overflow:hidden;box-shadow:var(--mk-shadow);
  transition:transform .14s ease,box-shadow .14s ease;
}
.mk-card:hover{transform:translateY(-2px);box-shadow:var(--mk-shadow-hover)}
.mk-card-cover{position:relative;overflow:hidden;background:rgba(232,69,44,.08)}
.mk-card-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .2s ease-out}
.mk-card:hover .mk-card-cover img{transform:scale(1.03)}
.mk-card-cover .mk-card-fallback{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-size:28px;font-weight:800;color:rgba(232,69,44,.45);z-index:-1;
}
.mk-card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.mk-card-body h3{font-size:19px;line-height:1.45}
.mk-card-desc{font-size:15px;line-height:1.7;color:var(--mk-ink-soft);margin:0}
.mk-card-foot{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--mk-line);
  display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--mk-ink-soft);
}
.mk-arrow{font-size:16px;color:var(--mk-primary);transition:transform .16s ease}
.mk-card:hover .mk-arrow{transform:translateX(4px)}

/* ---------- split ---------- */
.mk-split{display:flex;align-items:center;gap:48px;flex-wrap:wrap}
.mk-split-media{flex:1 1 380px;min-width:260px}
.mk-split-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--mk-r-card);border:1px solid var(--mk-line);box-shadow:var(--mk-shadow);
}
.mk-split-copy{flex:1 1 420px;min-width:260px;max-width:520px}
.mk-split-copy h2{font-size:30px;margin-bottom:14px}
.mk-split-copy > p{color:var(--mk-ink-soft);font-size:16px;margin-bottom:20px}
.mk-scene-list{display:flex;flex-direction:column;gap:14px}
.mk-scene-list li{
  display:flex;gap:14px;padding:14px 16px;background:var(--mk-muted-bg);
  border-radius:12px;border-left:3px solid var(--mk-primary);
}
.mk-scene-list strong{display:block;font-size:16px;margin-bottom:2px}
.mk-scene-list span{font-size:14px;color:var(--mk-ink-soft);line-height:1.7}

/* ---------- checklist ---------- */
.mk-check{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 24px}
.mk-check li{
  display:flex;gap:12px;align-items:flex-start;
  background:var(--mk-surface);border:1px solid var(--mk-line);
  border-radius:12px;padding:16px 18px;box-shadow:var(--mk-shadow);
  font-size:15px;line-height:1.7;color:var(--mk-ink-soft);
}
.mk-check b{color:var(--mk-ink);display:block;font-size:16px;margin-bottom:2px;font-weight:700}
.mk-check-icon{
  width:24px;height:24px;flex:0 0 auto;border-radius:8px;background:var(--mk-accent);
  color:var(--mk-accent-ink);font-size:13px;font-weight:800;
  display:flex;align-items:center;justify-content:center;margin-top:2px;
}

/* ---------- faq ---------- */
.mk-faq-wrap{max-width:860px;margin:0 auto}
.mk-faq{border-top:1px solid var(--mk-line);list-style:none}
.mk-faq .accordion-item{border-bottom:1px solid var(--mk-line);background:transparent;transition:background .16s ease}
.mk-faq .accordion-item.is-open{background:var(--mk-surface)}
.mk-faq .accordion-title{
  display:flex;align-items:center;gap:14px;
  padding:20px 16px;font-size:17px;font-weight:600;color:var(--mk-ink);
  text-decoration:none;line-height:1.6;
}
.mk-faq .accordion-title:hover{color:var(--mk-primary)}
.mk-faq .accordion-title::after{
  content:"+";margin-left:auto;font-size:22px;font-weight:400;color:var(--mk-ink-soft);
  flex:0 0 auto;line-height:1;
}
.mk-faq .accordion-item.is-open .accordion-title{color:var(--mk-primary)}
.mk-faq .accordion-item.is-open .accordion-title::after{content:"−";color:var(--mk-primary)}
.mk-faq-q-num{
  font-variant-numeric:tabular-nums;font-size:14px;font-weight:700;color:var(--mk-primary);
  background:rgba(232,69,44,.1);border-radius:8px;padding:3px 9px;flex:0 0 auto;
}
.mk-faq .accordion-content{
  display:none;padding:0 16px 22px 60px;font-size:15.5px;line-height:1.85;color:var(--mk-ink-soft);
}
.mk-faq .accordion-content p{margin:0 0 .8em}
.mk-faq .accordion-content p:last-child{margin-bottom:0}

/* ---------- cta ---------- */
.mk-cta{
  position:relative;color:#fff;padding:64px 0;
  background:linear-gradient(rgba(16,19,24,.9),rgba(16,19,24,.92)),url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
}
.mk-cta-inner{display:flex;align-items:center;gap:40px;flex-wrap:wrap;justify-content:space-between}
.mk-cta-copy{flex:1 1 420px;max-width:640px}
.mk-cta-copy h2{font-size:30px;margin-bottom:12px}
.mk-cta-copy p{color:#C0C5CF;font-size:16px;margin-bottom:16px}
.mk-cta-tags{display:flex;flex-wrap:wrap;gap:10px}
.mk-cta-tags .mk-badge{background:rgba(255,255,255,.1);color:#DDE1E8}
.mk-cta-tags .mk-badge-accent{background:var(--mk-accent);color:var(--mk-accent-ink)}
.mk-cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- pagination ---------- */
.mk-pagination{
  display:flex;align-items:center;justify-content:center;gap:8px;
  padding:36px 0 0;flex-wrap:wrap;
}
.mk-page-link,.mk-page-num{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:44px;height:44px;padding:0 16px;border-radius:10px;
  background:var(--mk-surface);border:1px solid var(--mk-line);
  color:var(--mk-ink-soft);font-size:15px;font-weight:600;
  transition:background .16s ease,color .16s ease,border-color .16s ease;
}
.mk-page-num{min-width:44px;padding:0}
.mk-page-link:hover,.mk-page-num:hover{background:var(--mk-muted-bg);color:var(--mk-ink)}
.mk-page-num.is-active{background:var(--mk-primary);border-color:var(--mk-primary);color:#fff}
.mk-page-link.is-disabled{opacity:.45;pointer-events:none}

/* ---------- footer ---------- */
.mk-footer{background:var(--mk-dark);color:#A8AEBB;padding-top:3px;position:relative}
.mk-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--mk-primary)}
.mk-footer-inner{padding:56px 20px 28px}
.mk-footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.mk-footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;margin-bottom:14px}
.mk-footer-desc{font-size:14px;line-height:1.8;color:#8E95A3;max-width:340px;margin:0}
.mk-footer h4{color:#fff;font-size:15px;margin-bottom:14px}
.mk-footer-links li{margin-bottom:10px}
.mk-footer-links a{color:#A8AEBB;font-size:14px}
.mk-footer-links a:hover{color:#fff}
.mk-footer-note{
  margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;line-height:1.8;color:#7E8595;
}
.mk-footer-bottom{
  margin-top:18px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:#7E8595;
}

/* ---------- responsive ---------- */
@media screen and (max-width:1023px){
  .mk-nav-desktop,.mk-nav-actions .mk-btn,.mk-nav-actions .mk-badge{display:none}
  .mk-nav-toggle{display:flex;margin-left:auto}
  .mk-nav-actions{margin-left:auto}
  .mk-pagehero h1{font-size:34px}
  .mk-hero-grid{gap:32px}
  .mk-hero-media{flex:1 1 100%}
  .mk-section{padding:56px 0}
  .mk-sec-head h2{font-size:26px}
  .mk-cards{grid-template-columns:repeat(2,minmax(0,1fr))}
  .mk-footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .mk-split{gap:32px}
  .mk-split-copy{max-width:none}
}
@media screen and (max-width:767px){
  body{font-size:16px}
  .mk-nav-inner{height:56px;padding:0 16px}
  .mk-header.is-scrolled .mk-nav-inner{height:56px}
  .mk-logo-text{font-size:15.5px}
  .mk-container{padding:0 16px}
  .mk-ticker-inner{padding:0 16px;min-height:56px}
  .mk-pagehero{padding:40px 0 44px}
  .mk-pagehero h1{font-size:28px}
  .mk-hero-sub{font-size:15.5px}
  .mk-hero-media img{aspect-ratio:16/10;border-radius:14px}
  .mk-flow-item:nth-child(even){margin-top:0}
  .mk-flow-item{flex:1 1 100%}
  .mk-section{padding:48px 0}
  .mk-sec-head{margin-bottom:26px}
  .mk-sec-head h2{font-size:24px}
  .mk-cards{grid-template-columns:minmax(0,1fr)}
  .mk-check{grid-template-columns:minmax(0,1fr)}
  .mk-cta{padding:48px 0}
  .mk-cta-copy h2{font-size:24px}
  .mk-cta-actions .mk-btn{width:100%}
  .mk-faq .accordion-content{padding-left:16px}
  .mk-faq .accordion-title{font-size:16px;padding:18px 12px}
  .mk-pagination{padding-top:28px}
  .mk-page-link{padding:0 12px;font-size:14px}
  .mk-footer-inner{padding:40px 16px 24px}
  .mk-footer-grid{grid-template-columns:1fr 1fr}
  .mk-footer-bottom{flex-direction:column;gap:6px}
}
@media screen and (max-width:519px){
  .mk-footer-grid{grid-template-columns:1fr}
  .mk-hero-tags .mk-badge{height:26px;font-size:12px}
  .mk-card-body{padding:16px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  .mk-card:hover{transform:none}
  .mk-card:hover .mk-card-cover img{transform:none}
}

/* roulang page: category2 */
:root{
  --mk-ink:#14161B;
  --mk-ink-soft:#5A6070;
  --mk-bg:#F7F5F1;
  --mk-surface:#FFFFFF;
  --mk-primary:#E8452C;
  --mk-primary-dark:#C1301A;
  --mk-accent:#C9F24D;
  --mk-accent-ink:#1B2408;
  --mk-dark:#101318;
  --mk-line:#E3DFD7;
  --mk-muted-bg:#EFEBE3;
  --mk-warn:#FFC53D;
  --mk-r-card:14px;
  --mk-r-img:12px;
  --mk-r-hero:20px;
  --mk-r-btn:10px;
  --mk-shadow:0 1px 2px rgba(20,22,27,.06),0 8px 24px rgba(20,22,27,.08);
  --mk-shadow-hover:0 2px 4px rgba(20,22,27,.08),0 14px 32px rgba(20,22,27,.12);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--mk-bg);
  color:var(--mk-ink);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.8;
  letter-spacing:.01em;
  font-weight:400;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
a:hover{color:var(--mk-primary)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:.01em}
h1{font-size:44px;font-weight:800}
h2{font-size:32px}
h3{font-size:22px}
h4{font-size:18px}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
.mk-num{font-variant-numeric:tabular-nums}
.mk-container{max-width:1200px;margin:0 auto;padding:0 20px;width:100%}
.mk-section{padding:72px 0}
.mk-section-alt{background:var(--mk-surface);border-top:1px solid var(--mk-line);border-bottom:1px solid var(--mk-line)}
.mk-section-head{max-width:760px;margin-bottom:40px}
.mk-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.08em;color:var(--mk-primary);
  text-transform:uppercase;margin-bottom:14px;
}
.mk-kicker::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--mk-primary)}
.mk-lead{color:var(--mk-ink-soft);font-size:17px;max-width:44em}
.mk-section-title{font-size:32px;margin-bottom:14px}

/* 按钮 */
.mk-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--mk-r-btn);
  font-size:16px;font-weight:600;line-height:1;cursor:pointer;
  border:1.5px solid transparent;background:transparent;
  transition:background-color .15s ease-out,color .15s ease-out,transform .15s ease-out,box-shadow .15s ease-out,border-color .15s ease-out;
}
.mk-btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:9px}
.mk-btn-primary{background:var(--mk-primary);color:#fff}
.mk-btn-primary:hover{background:var(--mk-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(232,69,44,.28)}
.mk-btn-primary:active{transform:translateY(0);box-shadow:none}
.mk-btn-outline{border-color:var(--mk-ink);color:var(--mk-ink)}
.mk-btn-outline:hover{background:var(--mk-ink);color:#fff;transform:translateY(-1px)}
.mk-btn-outline:active{transform:translateY(0)}
.mk-btn-ghost{border-color:var(--mk-accent);color:var(--mk-accent)}
.mk-btn-ghost:hover{background:var(--mk-accent);color:var(--mk-accent-ink);transform:translateY(-1px)}
.mk-btn-ghost:active{transform:translateY(0)}
.mk-btn:focus-visible{outline:3px solid rgba(232,69,44,.35);outline-offset:2px}
.mk-link{color:var(--mk-primary);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px}
.mk-link:hover{text-decoration-thickness:2px;color:var(--mk-primary-dark)}

/* 徽章 */
.mk-badge{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:600;line-height:1;white-space:nowrap;
  background:var(--mk-muted-bg);color:var(--mk-ink-soft);
}
.mk-badge-accent{background:var(--mk-accent);color:var(--mk-accent-ink)}
.mk-badge-live{background:rgba(201,242,77,.16);color:var(--mk-accent)}
.mk-badge-live::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--mk-accent);animation:mkPulse 1.8s ease-in-out infinite}
@keyframes mkPulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.8)}}

/* 导航 */
.mk-header{
  position:sticky;top:0;z-index:60;background:var(--mk-surface);
  border-bottom:1px solid var(--mk-line);transition:box-shadow .18s ease-out;
}
.mk-header.is-scrolled{box-shadow:0 6px 20px rgba(20,22,27,.10)}
.mk-nav-inner{
  max-width:1200px;margin:0 auto;padding:0 20px;height:68px;
  display:flex;align-items:center;gap:24px;
}
.mk-header.is-scrolled .mk-nav-inner{height:60px}
.mk-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.mk-logo-mark{
  width:34px;height:34px;border-radius:9px;background:var(--mk-primary);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;
  letter-spacing:0;box-shadow:0 6px 14px rgba(232,69,44,.28);
}
.mk-logo-text{font-weight:700;font-size:17px;color:var(--mk-ink);white-space:nowrap}
.mk-nav-desktop{display:flex;align-items:center;gap:6px;margin-left:12px;flex:1 1 auto}
.mk-nav-link{
  position:relative;padding:8px 12px;font-size:15px;color:var(--mk-ink-soft);border-radius:8px;
  transition:color .15s ease-out,background-color .15s ease-out;white-space:nowrap;
}
.mk-nav-link:hover{color:var(--mk-ink);background:var(--mk-muted-bg)}
.mk-nav-link.is-active{color:var(--mk-ink);font-weight:700}
.mk-nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;border-radius:2px;background:var(--mk-primary);
}
.mk-nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.mk-nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1.5px solid var(--mk-line);
  background:var(--mk-surface);cursor:pointer;position:relative;
}
.mk-nav-toggle span,.mk-nav-toggle span::before,.mk-nav-toggle span::after{
  position:absolute;left:50%;transform:translateX(-50%);width:18px;height:2px;border-radius:2px;background:var(--mk-ink);
}
.mk-nav-toggle span{top:50%;margin-top:-1px}
.mk-nav-toggle span::before{content:"";top:-6px;left:0;transform:none}
.mk-nav-toggle span::after{content:"";top:6px;left:0;transform:none}
.mk-nav-toggle:focus-visible{outline:3px solid rgba(232,69,44,.35);outline-offset:2px}
.mk-drawer{
  display:none;border-top:1px solid var(--mk-line);background:var(--mk-surface);
  padding:12px 20px 22px;flex-direction:column;gap:4px;
}
.mk-drawer.is-open{display:flex}
.mk-drawer-link{padding:12px 4px;font-size:16px;color:var(--mk-ink-soft);border-bottom:1px solid var(--mk-line)}
.mk-drawer-link.is-active{color:var(--mk-ink);font-weight:700}
.mk-drawer .mk-btn{margin-top:14px;width:100%}

/* 页头 */
.mk-pagehead{
  position:relative;color:#fff;overflow:hidden;
  background-image:linear-gradient(120deg,rgba(16,19,24,.90) 0%,rgba(16,19,24,.72) 55%,rgba(16,19,24,.86) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;padding:64px 0 56px;
}
.mk-pagehead::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:4px;
  background:linear-gradient(90deg,var(--mk-primary) 0%,var(--mk-primary) 42%,var(--mk-accent) 42%,var(--mk-accent) 58%,var(--mk-primary) 58%,var(--mk-primary) 100%);
  opacity:.9;
}
.mk-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.7);margin-bottom:20px}
.mk-crumb a{color:rgba(255,255,255,.7)}
.mk-crumb a:hover{color:#fff}
.mk-crumb .mk-sep{opacity:.5}
.mk-pagehead .mk-brandline{font-size:12px;letter-spacing:.14em;color:var(--mk-accent);font-weight:600;margin-bottom:14px}
.mk-pagehead h1{font-size:44px;margin-bottom:16px}
.mk-pagehead .mk-lead{color:rgba(255,255,255,.82);max-width:640px;font-size:17px}
.mk-pagehead-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.mk-chip{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:999px;
  font-size:13px;font-weight:600;color:#fff;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);
}
.mk-chip-accent{background:var(--mk-accent);color:var(--mk-accent-ink);border-color:transparent}

/* 概览条 */
.mk-overview{border-bottom:1px solid var(--mk-line);background:var(--mk-surface)}
.mk-overview .mk-container{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--mk-line)}
.mk-overview-item{background:var(--mk-surface);padding:22px 20px}
.mk-overview-item .mk-num{display:block;font-size:26px;font-weight:800;color:var(--mk-primary);line-height:1.2}
.mk-overview-item span.mk-label{font-size:13px;color:var(--mk-ink-soft)}

/* 交错图文 */
.mk-zigzag{display:flex;flex-direction:column;gap:56px}
.mk-zigzag-item{display:flex;gap:40px;align-items:center}
.mk-zigzag-item:nth-child(even){flex-direction:row-reverse}
.mk-zigzag-media{flex:0 0 46%;max-width:46%}
.mk-zigzag-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--mk-r-img);
  box-shadow:var(--mk-shadow);transition:transform .18s ease-out,box-shadow .18s ease-out;
}
.mk-zigzag-item:hover .mk-zigzag-media img{transform:scale(1.02);box-shadow:var(--mk-shadow-hover)}
.mk-zigzag-body{flex:1 1 auto;min-width:0}
.mk-zigzag-body h3{margin:14px 0 10px}
.mk-zigzag-body p{color:var(--mk-ink-soft)}
.mk-check-list{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.mk-check-list li{position:relative;padding-left:22px;font-size:15px;color:var(--mk-ink)}
.mk-check-list li::before{
  content:"";position:absolute;left:0;top:9px;width:10px;height:10px;border-radius:3px;
  background:var(--mk-primary);opacity:.85;
}
.mk-zigzag-foot{margin-top:18px;display:flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--mk-primary)}
.mk-zigzag-foot .mk-arrow{transition:transform .15s ease-out}
.mk-zigzag-item:hover .mk-arrow{transform:translateX(4px)}

/* 流程 */
.mk-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.mk-step{
  background:var(--mk-bg);border:1px solid var(--mk-line);border-radius:var(--mk-r-card);padding:24px 20px;
  transition:transform .18s ease-out,box-shadow .18s ease-out,background-color .18s ease-out;
}
.mk-step:hover{transform:translateY(-2px);box-shadow:var(--mk-shadow-hover);background:var(--mk-surface)}
.mk-step-num{
  display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:11px;
  background:var(--mk-dark);color:var(--mk-accent);font-weight:800;font-size:16px;margin-bottom:16px;
}
.mk-step h4{margin-bottom:8px}
.mk-step p{font-size:15px;color:var(--mk-ink-soft);margin:0}

/* 参数速查 */
.mk-spec-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.mk-spec{
  background:var(--mk-surface);border:1px solid var(--mk-line);border-radius:var(--mk-r-card);padding:22px 18px;
  box-shadow:var(--mk-shadow);transition:transform .18s ease-out,box-shadow .18s ease-out;
}
.mk-spec:hover{transform:translateY(-2px);box-shadow:var(--mk-shadow-hover)}
.mk-spec .mk-spec-val{display:block;font-size:28px;font-weight:800;color:var(--mk-ink);line-height:1.2;margin-bottom:6px}
.mk-spec .mk-spec-label{font-size:13px;color:var(--mk-ink-soft);display:block}
.mk-spec .mk-badge{margin-top:12px}

/* 异常提示 */
.mk-warn-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.mk-warn{
  background:var(--mk-surface);border:1px solid var(--mk-line);border-left:4px solid var(--mk-warn);
  border-radius:10px;padding:20px 22px;
}
.mk-warn h4{margin-bottom:8px;font-size:17px}
.mk-warn p{font-size:15px;color:var(--mk-ink-soft);margin:0}

/* FAQ */
.mk-faq{max-width:860px;margin:0 auto}
.mk-faq details{
  border-bottom:1px solid var(--mk-line);background:transparent;transition:background-color .15s ease-out;
}
.mk-faq details[open]{background:var(--mk-surface)}
.mk-faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;gap:14px;
  padding:20px 16px;font-size:17px;font-weight:600;color:var(--mk-ink);
}
.mk-faq summary::-webkit-details-marker{display:none}
.mk-faq summary .mk-faq-idx{font-size:14px;font-weight:800;color:var(--mk-ink-soft);min-width:26px;font-variant-numeric:tabular-nums}
.mk-faq summary .mk-faq-sign{
  margin-left:auto;flex:0 0 auto;width:22px;height:22px;border-radius:6px;border:1.5px solid var(--mk-line);
  position:relative;top:2px;
}
.mk-faq summary .mk-faq-sign::before,.mk-faq summary .mk-faq-sign::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--mk-ink-soft);border-radius:2px;
}
.mk-faq summary .mk-faq-sign::before{width:10px;height:1.6px;transform:translate(-50%,-50%)}
.mk-faq summary .mk-faq-sign::after{width:1.6px;height:10px;transform:translate(-50%,-50%)}
.mk-faq details[open] summary{color:var(--mk-primary)}
.mk-faq details[open] summary .mk-faq-sign{border-color:var(--mk-primary)}
.mk-faq details[open] summary .mk-faq-sign::before{background:var(--mk-primary)}
.mk-faq details[open] summary .mk-faq-sign::after{opacity:0}
.mk-faq summary:hover{color:var(--mk-primary)}
.mk-faq summary:focus-visible{outline:3px solid rgba(232,69,44,.35);outline-offset:-3px;border-radius:8px}
.mk-faq-body{padding:0 16px 22px 56px;color:var(--mk-ink-soft);font-size:16px}

/* CTA */
.mk-cta{
  background:var(--mk-dark);color:#fff;border-top:1px solid rgba(255,255,255,.08);
  padding:64px 0;
}
.mk-cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.mk-cta h2{font-size:30px;margin-bottom:10px}
.mk-cta p{color:rgba(255,255,255,.72);max-width:540px;margin:0}
.mk-cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.mk-cta-extra{margin-top:26px;padding-top:22px;border-top:1px solid rgba(255,255,255,.10);display:flex;gap:24px;flex-wrap:wrap;font-size:14px;color:rgba(255,255,255,.6)}
.mk-cta-extra strong{color:var(--mk-accent);font-weight:600}

/* 分页 */
.mk-pager{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.mk-pager-links{display:flex;align-items:center;gap:8px}
.mk-page-num{
  display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:40px;padding:0 12px;
  border:1.5px solid var(--mk-line);border-radius:10px;font-size:15px;color:var(--mk-ink-soft);
  transition:all .15s ease-out;font-variant-numeric:tabular-nums;
}
.mk-page-num:hover{border-color:var(--mk-ink);color:var(--mk-ink)}
.mk-page-num.is-current{background:var(--mk-primary);border-color:var(--mk-primary);color:#fff;font-weight:700}
.mk-page-num:focus-visible{outline:3px solid rgba(232,69,44,.35);outline-offset:2px}
.mk-pager-note{font-size:14px;color:var(--mk-ink-soft)}

/* 页脚 */
.mk-footer{background:var(--mk-dark);color:#fff;border-top:3px solid var(--mk-primary);padding:0 0 26px}
.mk-footer-inner{padding-top:56px}
.mk-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.mk-footer-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;margin-bottom:14px}
.mk-footer-desc{color:#A8AEBB;font-size:15px;line-height:1.8;max-width:34em}
.mk-footer h4{font-size:15px;color:#fff;margin-bottom:16px}
.mk-footer-links{display:flex;flex-direction:column;gap:12px}
.mk-footer-links a{color:#A8AEBB;font-size:15px;transition:color .15s ease-out}
.mk-footer-links a:hover{color:#fff}
.mk-footer-note{
  margin:44px 0 0;padding:18px 20px;border-radius:12px;background:rgba(255,255,255,.06);
  color:#A8AEBB;font-size:13.5px;line-height:1.8;
}
.mk-footer-bottom{
  margin-top:22px;padding-top:20px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#8890A0;
}
.mk-footer-bottom a{color:#A8AEBB}

/* 响应式 */
@media (max-width:1023px){
  body{font-size:16px}
  h1{font-size:34px}
  .mk-pagehead h1{font-size:34px}
  h2,.mk-section-title{font-size:26px}
  .mk-nav-desktop{display:none}
  .mk-nav-toggle{display:block}
  .mk-nav-actions .mk-badge{display:none}
  .mk-pagehead{padding:48px 0 42px}
  .mk-section{padding:56px 0}
  .mk-overview .mk-container{grid-template-columns:repeat(2,1fr)}
  .mk-zigzag-item,.mk-zigzag-item:nth-child(even){flex-direction:column;gap:24px}
  .mk-zigzag-media{flex:1 1 auto;max-width:100%}
  .mk-steps{grid-template-columns:repeat(2,1fr)}
  .mk-spec-grid{grid-template-columns:repeat(3,1fr)}
  .mk-warn-grid{grid-template-columns:1fr}
  .mk-footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:639px){
  h1{font-size:30px}
  .mk-pagehead h1{font-size:30px}
  h2,.mk-section-title{font-size:24px}
  h3{font-size:19px}
  .mk-container{padding:0 16px}
  .mk-section{padding:48px 0}
  .mk-nav-inner{padding:0 16px}
  .mk-nav-actions .mk-btn{display:none}
  .mk-drawer .mk-btn{display:inline-flex}
  .mk-overview .mk-container{grid-template-columns:1fr 1fr}
  .mk-steps{grid-template-columns:1fr}
  .mk-spec-grid{grid-template-columns:repeat(2,1fr)}
  .mk-zigzag{gap:40px}
  .mk-cta{padding:48px 0}
  .mk-cta h2{font-size:24px}
  .mk-cta-actions{width:100%}
  .mk-cta-actions .mk-btn{flex:1 1 auto}
  .mk-footer-grid{grid-template-columns:1fr}
  .mk-faq-body{padding-left:16px}
  .mk-pager{justify-content:center;text-align:center}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .mk-zigzag-item:hover .mk-zigzag-media img{transform:none}
  .mk-step:hover,.mk-spec:hover,.mk-btn:hover{transform:none}
}

/* roulang page: category3 */
:root{
  --mk-ink:#14161B;
  --mk-ink-soft:#5A6070;
  --mk-bg:#F7F5F1;
  --mk-surface:#FFFFFF;
  --mk-primary:#E8452C;
  --mk-primary-dark:#C1301A;
  --mk-accent:#C9F24D;
  --mk-accent-ink:#1B2408;
  --mk-dark:#101318;
  --mk-line:#E3DFD7;
  --mk-muted-bg:#EFEBE3;
  --mk-warn:#FFC53D;
  --mk-radius-card:14px;
  --mk-radius-img:12px;
  --mk-radius-btn:10px;
  --mk-shadow:0 1px 2px rgba(20,22,27,.06), 0 8px 24px rgba(20,22,27,.08);
  --mk-shadow-hover:0 2px 4px rgba(20,22,27,.08), 0 14px 32px rgba(20,22,27,.12);
  --mk-font:-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--mk-font);
  font-size:17px;
  line-height:1.8;
  color:var(--mk-ink);
  background:var(--mk-bg);
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--mk-primary);text-decoration:none;text-underline-offset:4px;transition:color .15s ease,text-decoration-color .15s ease;}
a:hover{color:var(--mk-primary-dark);text-decoration:underline;text-decoration-thickness:2px;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;color:var(--mk-ink);}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(232,69,44,.35);outline-offset:2px;border-radius:4px;}

.mk-container{max-width:1200px;margin:0 auto;padding:0 20px;}

/* ============ 按钮 ============ */
.mk-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--mk-radius-btn);
  font-size:16px;font-weight:600;line-height:1;border:1.5px solid transparent;
  cursor:pointer;white-space:nowrap;
  transition:background-color .15s ease,color .15s ease,border-color .15s ease,transform .15s ease,box-shadow .15s ease;
}
.mk-btn-primary{background:var(--mk-primary);color:#fff;}
.mk-btn-primary:hover{background:var(--mk-primary-dark);color:#fff;transform:translateY(-1px);text-decoration:none;box-shadow:var(--mk-shadow);}
.mk-btn-primary:active{transform:translateY(0);background:var(--mk-primary-dark);}
.mk-btn-ghost{border-color:var(--mk-ink);color:var(--mk-ink);background:transparent;}
.mk-btn-ghost:hover{background:var(--mk-ink);color:#fff;text-decoration:none;}
.mk-btn-ghost:active{background:#000;color:#fff;}
.mk-btn-ghost-light{border-color:rgba(255,255,255,.55);color:#fff;background:transparent;}
.mk-btn-ghost-light:hover{background:#fff;color:var(--mk-ink);text-decoration:none;}
.mk-btn-accent{border-color:var(--mk-accent);color:var(--mk-accent);background:transparent;}
.mk-btn-accent:hover{background:var(--mk-accent);color:var(--mk-accent-ink);text-decoration:none;transform:translateY(-1px);}
.mk-btn-accent:active{transform:translateY(0);background:var(--mk-accent);color:var(--mk-accent-ink);}
.mk-btn-sm{height:38px;padding:0 18px;font-size:14px;border-radius:8px;}

/* ============ 徽章 / 标签 ============ */
.mk-badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:999px;font-size:12px;font-weight:600;line-height:1;
  background:var(--mk-muted-bg);color:var(--mk-ink-soft);white-space:nowrap;
}
.mk-badge-accent{background:var(--mk-accent);color:var(--mk-accent-ink);}
.mk-badge-outline{background:transparent;border:1px solid var(--mk-line);color:var(--mk-ink-soft);}

/* ============ 导航 ============ */
.mk-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,245,241,.97);
  border-bottom:1px solid var(--mk-line);
  transition:box-shadow .2s ease,background-color .2s ease;
}
.mk-header.is-scrolled{box-shadow:0 6px 22px rgba(20,22,27,.1);background:rgba(247,245,241,.99);}
.mk-nav-inner{
  max-width:1200px;margin:0 auto;padding:0 20px;height:68px;
  display:flex;align-items:center;gap:28px;
  transition:height .2s ease;
}
.mk-header.is-scrolled .mk-nav-inner{height:60px;}
.mk-logo{display:flex;align-items:center;gap:10px;color:var(--mk-ink);font-weight:700;font-size:16px;flex:0 0 auto;}
.mk-logo:hover{color:var(--mk-ink);text-decoration:none;}
.mk-logo-mark{
  width:34px;height:34px;border-radius:10px;background:var(--mk-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:17px;
  box-shadow:0 4px 12px rgba(232,69,44,.28);flex:0 0 auto;
}
.mk-logo-text{letter-spacing:.01em;}
.mk-nav-desktop{display:flex;align-items:center;gap:26px;margin-left:8px;}
.mk-nav-link{
  position:relative;padding:22px 0;font-size:15px;font-weight:500;
  color:var(--mk-ink-soft);white-space:nowrap;
}
.mk-nav-link:hover{color:var(--mk-ink);text-decoration:none;}
.mk-nav-link.is-active{color:var(--mk-ink);font-weight:700;}
.mk-nav-link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:14px;height:3px;
  border-radius:3px;background:var(--mk-primary);
}
.mk-nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex:0 0 auto;}
.mk-nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--mk-line);
  background:#fff;cursor:pointer;align-items:center;justify-content:center;padding:0;
}
.mk-nav-toggle span,.mk-nav-toggle span::before,.mk-nav-toggle span::after{
  display:block;width:18px;height:2px;border-radius:2px;background:var(--mk-ink);position:relative;
  transition:transform .2s ease,opacity .2s ease;
}
.mk-nav-toggle span::before{content:"";position:absolute;top:-6px;left:0;}
.mk-nav-toggle span::after{content:"";position:absolute;top:6px;left:0;}
.mk-nav-toggle[aria-expanded="true"] span{background:transparent;}
.mk-nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg);}
.mk-nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg);}
.mk-drawer{
  display:none;flex-direction:column;gap:4px;
  padding:12px 20px 22px;background:var(--mk-surface);
  border-top:1px solid var(--mk-line);
}
.mk-drawer.is-open{display:flex;}
.mk-drawer-link{
  padding:13px 12px;border-radius:10px;color:var(--mk-ink-soft);font-size:16px;font-weight:500;
}
.mk-drawer-link:hover{background:var(--mk-muted-bg);color:var(--mk-ink);text-decoration:none;}
.mk-drawer-link.is-active{background:var(--mk-muted-bg);color:var(--mk-ink);font-weight:700;}
.mk-drawer .mk-btn{margin-top:10px;width:100%;}

/* ============ 页头 Hero ============ */
.mk-page-hero{position:relative;overflow:hidden;background:var(--mk-dark);}
.mk-page-hero-bg{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.34;
}
.mk-page-hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(16,19,24,.88) 0%,rgba(16,19,24,.74) 55%,rgba(16,19,24,.9) 100%);
}
.mk-page-hero-inner{
  position:relative;z-index:2;max-width:1200px;margin:0 auto;
  padding:56px 20px 72px;
  display:grid;grid-template-columns:1.35fr .85fr;gap:56px;align-items:center;
  color:#fff;
}
.mk-breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.7);margin-bottom:20px;}
.mk-breadcrumb a{color:rgba(255,255,255,.7);}
.mk-breadcrumb a:hover{color:#fff;text-decoration:none;}
.mk-breadcrumb .sep{color:rgba(255,255,255,.35);}
.mk-breadcrumb .now{color:#fff;font-weight:600;max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.mk-kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--mk-accent);letter-spacing:.02em;margin:0 0 16px;
}
.mk-kicker::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--mk-accent);box-shadow:0 0 0 4px rgba(201,242,77,.18);}
.mk-page-hero h1{
  color:#fff;font-size:44px;font-weight:800;letter-spacing:.01em;margin:0 0 18px;
}
.mk-page-hero-desc{
  max-width:640px;font-size:17px;line-height:1.85;color:rgba(255,255,255,.82);margin:0 0 26px;
}
.mk-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.mk-hero-stats{
  display:flex;flex-wrap:wrap;gap:36px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.15);
}
.mk-hero-stats li{display:flex;flex-direction:column;gap:2px;}
.mk-hero-stats strong{
  font-size:24px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;line-height:1.2;
}
.mk-hero-stats span{font-size:13px;color:rgba(255,255,255,.62);}
.mk-page-hero-media{
  position:relative;border-radius:20px;overflow:hidden;
  border:1px solid rgba(255,255,255,.14);
  box-shadow:0 24px 60px rgba(0,0,0,.42);
  aspect-ratio:4/3;background:rgba(255,255,255,.06);
}
.mk-page-hero-media img{width:100%;height:100%;object-fit:cover;}
.mk-media-tag{
  position:absolute;left:16px;bottom:16px;
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--mk-accent);color:var(--mk-accent-ink);font-size:12px;font-weight:700;
}

/* ============ 通用板块 ============ */
.mk-section{padding:72px 0;}
.mk-section-alt{background:var(--mk-surface);}
.mk-section-dark{background:var(--mk-dark);color:#fff;}
.mk-section-head{max-width:740px;margin-bottom:40px;}
.mk-section-head.is-center{margin-left:auto;margin-right:auto;text-align:center;}
.mk-section-eyebrow{
  display:inline-block;font-size:13px;font-weight:700;color:var(--mk-primary);
  letter-spacing:.06em;margin-bottom:12px;
}
.mk-section-title{font-size:32px;font-weight:700;margin:0 0 14px;}
.mk-section-desc{color:var(--mk-ink-soft);margin:0;font-size:16px;line-height:1.8;}
.mk-section-dark .mk-section-title{color:#fff;}
.mk-section-dark .mk-section-desc{color:rgba(255,255,255,.72);}

/* ============ 要点编号 ============ */
.mk-points{
  display:grid;grid-template-columns:repeat(2,1fr);gap:40px 64px;
  padding-bottom:32px;
}
.mk-point{
  position:relative;padding-left:26px;border-left:3px solid var(--mk-primary);
  transition:transform .15s ease;
}
.mk-point:nth-child(even){transform:translateY(32px);}
.mk-point-index{
  display:block;font-size:32px;font-weight:800;color:var(--mk-primary);
  font-variant-numeric:tabular-nums;line-height:1;margin-bottom:10px;
}
.mk-point h3{font-size:19px;font-weight:700;margin:0 0 8px;}
.mk-point p{margin:0;color:var(--mk-ink-soft);font-size:15.5px;line-height:1.75;}

/* ============ 筛选条 ============ */
.mk-filter{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px;}
.mk-filter button{
  height:36px;padding:0 16px;border-radius:999px;border:1px solid var(--mk-line);
  background:var(--mk-surface);color:var(--mk-ink-soft);font-size:14px;font-weight:500;
  cursor:pointer;transition:all .15s ease;
}
.mk-filter button:hover{border-color:var(--mk-primary);color:var(--mk-primary);}
.mk-filter button.is-active{background:var(--mk-ink);border-color:var(--mk-ink);color:#fff;font-weight:600;}

/* ============ 紧凑清单 ============ */
.mk-list{
  background:var(--mk-surface);border:1px solid var(--mk-line);
  border-radius:var(--mk-radius-card);overflow:hidden;
}
.mk-list-item{
  display:grid;grid-template-columns:150px 1fr 26px;gap:26px;align-items:center;
  padding:20px 24px;border-bottom:1px solid var(--mk-line);
  transition:background-color .15s ease;
}
.mk-list-item:last-child{border-bottom:0;}
.mk-list-item:hover{background:#FBF9F6;}
.mk-list-item.is-hidden{display:none;}
.mk-list-key{
  font-size:13px;font-weight:700;color:var(--mk-ink-soft);
  background:var(--mk-muted-bg);border-radius:999px;padding:5px 12px;
  text-align:center;line-height:1.4;
}
.mk-list-title{font-size:17px;font-weight:700;margin:0 0 6px;}
.mk-list-desc{margin:0;font-size:15px;color:var(--mk-ink-soft);line-height:1.7;}
.mk-list-arrow{
  font-size:18px;color:var(--mk-primary);font-weight:700;transition:transform .15s ease;
}
.mk-list-item:hover .mk-list-arrow{transform:translateX(4px);}
.mk-list-empty{
  padding:40px 24px;text-align:center;color:var(--mk-ink-soft);font-size:15px;
}

/* ============ 图文提示 ============ */
.mk-split{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center;}
.mk-split-media{
  border-radius:var(--mk-radius-card);overflow:hidden;aspect-ratio:16/11;
  background:rgba(232,69,44,.08);
  box-shadow:var(--mk-shadow);
}
.mk-split-media img{width:100%;height:100%;object-fit:cover;}
.mk-check-list{margin-top:22px;}
.mk-check-list li{
  position:relative;padding-left:30px;margin-bottom:14px;font-size:16px;color:var(--mk-ink-soft);
}
.mk-check-list li::before{
  content:"✓";position:absolute;left:0;top:0;
  width:20px;height:20px;border-radius:50%;background:var(--mk-accent);color:var(--mk-accent-ink);
  font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center;
  margin-top:4px;
}
.mk-check-list strong{color:var(--mk-ink);}

/* ============ 步骤 ============ */
.mk-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.mk-step{
  position:relative;background:var(--mk-surface);border:1px solid var(--mk-line);
  border-radius:var(--mk-radius-card);padding:26px 22px;
  box-shadow:var(--mk-shadow);transition:transform .15s ease,box-shadow .15s ease;
}
.mk-step:hover{transform:translateY(-2px);box-shadow:var(--mk-shadow-hover);}
.mk-step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;background:var(--mk-muted-bg);
  color:var(--mk-ink);font-weight:800;font-size:15px;font-variant-numeric:tabular-nums;
  margin-bottom:16px;
}
.mk-step h3{font-size:18px;margin:0 0 10px;}
.mk-step p{margin:0;font-size:15px;color:var(--mk-ink-soft);line-height:1.7;}

/* ============ FAQ ============ */
.mk-faq{max-width:860px;margin:0 auto;border-top:1px solid var(--mk-line);}
.mk-faq-item{border-bottom:1px solid var(--mk-line);transition:background-color .15s ease;}
.mk-faq-item.is-open{background:var(--mk-surface);}
.mk-faq-q{
  width:100%;display:flex;align-items:center;gap:16px;
  padding:22px 8px;background:none;border:0;text-align:left;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--mk-ink);line-height:1.6;
  transition:color .15s ease;
}
.mk-faq-q:hover{color:var(--mk-primary);}
.mk-faq-q .idx{
  font-variant-numeric:tabular-nums;font-size:14px;color:var(--mk-ink-soft);
  font-weight:700;flex:0 0 24px;
}
.mk-faq-icon{
  margin-left:auto;flex:0 0 22px;width:22px;height:22px;border-radius:50%;
  background:var(--mk-muted-bg);color:var(--mk-ink);position:relative;
  transition:background-color .15s ease,transform .2s ease;
}
.mk-faq-icon::before,.mk-faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:currentColor;border-radius:2px;
  transform:translate(-50%,-50%);
}
.mk-faq-icon::before{width:10px;height:2px;}
.mk-faq-icon::after{width:2px;height:10px;transition:opacity .2s ease;}
.mk-faq-item.is-open .mk-faq-q{color:var(--mk-primary);}
.mk-faq-item.is-open .mk-faq-icon{background:var(--mk-primary);color:#fff;}
.mk-faq-item.is-open .mk-faq-icon::after{opacity:0;}
.mk-faq-a{display:none;padding:0 46px 24px 48px;color:var(--mk-ink-soft);font-size:15.5px;line-height:1.8;}
.mk-faq-item.is-open .mk-faq-a{display:block;}
.mk-faq-a p:last-child{margin-bottom:0;}

/* ============ CTA 通栏 ============ */
.mk-cta{
  position:relative;overflow:hidden;background:var(--mk-dark);color:#fff;
  border-top:3px solid var(--mk-primary);
}
.mk-cta-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.14;}
.mk-cta-inner{
  position:relative;z-index:2;max-width:1200px;margin:0 auto;padding:64px 20px;
  display:grid;grid-template-columns:1.3fr 1fr;gap:48px;align-items:center;
}
.mk-cta h2{color:#fff;font-size:30px;margin:0 0 14px;}
.mk-cta p{color:rgba(255,255,255,.75);margin:0;font-size:16px;max-width:560px;}
.mk-cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}
.mk-cta-meta{
  grid-column:1 / -1;display:flex;flex-wrap:wrap;gap:28px;
  padding-top:26px;border-top:1px solid rgba(255,255,255,.14);
}
.mk-cta-meta li{font-size:14px;color:rgba(255,255,255,.68);display:flex;align-items:center;gap:8px;}
.mk-cta-meta li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--mk-accent);}

/* ============ 页脚 ============ */
.mk-footer{
  background:var(--mk-dark);color:#fff;border-top:3px solid var(--mk-primary);
  padding:56px 0 28px;
}
.mk-footer-inner{max-width:1200px;margin:0 auto;padding:0 20px;}
.mk-footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:36px;margin-bottom:36px;}
.mk-footer-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px;margin-bottom:14px;}
.mk-footer-desc{color:#A8AEBB;font-size:14px;line-height:1.8;margin:0;max-width:340px;}
.mk-footer h4{color:#fff;font-size:15px;font-weight:700;margin:0 0 16px;}
.mk-footer-links li{margin-bottom:10px;}
.mk-footer-links a{color:#A8AEBB;font-size:14px;}
.mk-footer-links a:hover{color:#fff;text-decoration:none;}
.mk-footer-note{
  font-size:13px;color:#8C93A2;line-height:1.8;
  padding:18px 0;border-top:1px solid rgba(255,255,255,.1);
  border-bottom:1px solid rgba(255,255,255,.1);margin:0 0 20px;
}
.mk-footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:#8C93A2;
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .mk-nav-desktop{display:none;}
  .mk-nav-toggle{display:inline-flex;}
  .mk-nav-inner{height:60px;gap:16px;}
  .mk-header.is-scrolled .mk-nav-inner{height:56px;}
  .mk-page-hero-inner{grid-template-columns:1fr;gap:36px;padding:44px 20px 56px;}
  .mk-page-hero h1{font-size:34px;}
  .mk-page-hero-media{aspect-ratio:16/10;}
  .mk-points{grid-template-columns:1fr;gap:32px;padding-bottom:0;}
  .mk-point:nth-child(even){transform:none;}
  .mk-split{grid-template-columns:1fr;gap:32px;}
  .mk-steps{grid-template-columns:repeat(2,1fr);}
  .mk-cta-inner{grid-template-columns:1fr;gap:28px;padding:56px 20px;}
  .mk-cta-actions{justify-content:flex-start;}
  .mk-footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .mk-section{padding:56px 0;}
  .mk-section-title{font-size:26px;}
}
@media (max-width:639px){
  body{font-size:16px;}
  .mk-container{padding:0 16px;}
  .mk-nav-inner{padding:0 16px;}
  .mk-logo-text{font-size:15px;}
  .mk-nav-actions .mk-badge-accent{display:none;}
  .mk-page-hero-inner{padding:36px 16px 48px;}
  .mk-page-hero h1{font-size:28px;}
  .mk-page-hero-desc{font-size:15.5px;}
  .mk-hero-actions{gap:10px;}
  .mk-hero-actions .mk-btn{width:100%;height:44px;}
  .mk-hero-stats{gap:22px;}
  .mk-hero-stats strong{font-size:20px;}
  .mk-section{padding:48px 0;}
  .mk-section-title{font-size:24px;}
  .mk-point-index{font-size:26px;}
  .mk-list-item{grid-template-columns:1fr;gap:10px;padding:18px 16px;}
  .mk-list-key{justify-self:start;}
  .mk-list-arrow{display:none;}
  .mk-steps{grid-template-columns:1fr;}
  .mk-faq-q{font-size:16px;gap:12px;padding:20px 4px;}
  .mk-faq-a{padding:0 4px 20px 40px;font-size:15px;}
  .mk-cta-inner{padding:48px 16px;}
  .mk-cta h2{font-size:24px;}
  .mk-cta-actions .mk-btn{width:100%;}
  .mk-footer{padding:44px 0 24px;}
  .mk-footer-grid{grid-template-columns:1fr;gap:26px;}
  .mk-footer-inner{padding:0 16px;}
  .mk-footer-bottom{flex-direction:column;gap:6px;}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
  .mk-btn:hover,.mk-step:hover,.mk-point{transform:none!important;}
}

/* roulang page: category4 */
:root{
  --mk-ink:#14161B;
  --mk-ink-soft:#5A6070;
  --mk-bg:#F7F5F1;
  --mk-surface:#FFFFFF;
  --mk-primary:#E8452C;
  --mk-primary-dark:#C1301A;
  --mk-accent:#C9F24D;
  --mk-accent-ink:#1B2408;
  --mk-dark:#101318;
  --mk-line:#E3DFD7;
  --mk-muted-bg:#EFEBE3;
  --mk-warn:#FFC53D;
  --mk-link-muted:#A8AEBB;
  --mk-radius-card:14px;
  --mk-radius-img:12px;
  --mk-radius-hero:20px;
  --mk-radius-btn:10px;
  --mk-shadow:0 1px 2px rgba(20,22,27,.06),0 8px 24px rgba(20,22,27,.08);
  --mk-shadow-hover:0 2px 4px rgba(20,22,27,.08),0 14px 32px rgba(20,22,27,.12);
  --mk-font:-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --mk-container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--mk-font);
  font-size:17px;
  line-height:1.8;
  color:var(--mk-ink);
  background:var(--mk-bg);
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--mk-primary);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px;transition:color .12s ease,text-decoration-thickness .12s ease}
a:hover{color:var(--mk-primary-dark);text-decoration-thickness:2px}
h1,h2,h3,h4{margin:0 0 12px;line-height:1.25;font-weight:700;color:var(--mk-ink)}
h2{font-size:32px}
h3{font-size:22px}
h4{font-size:18px}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.25em;line-height:1.7}
li{margin-bottom:6px}
button,input,select,textarea{font-family:inherit;font-size:inherit}
button{cursor:pointer}
.mk-container{width:100%;max-width:var(--mk-container);margin:0 auto;padding:0 20px}
.mk-num{font-variant-numeric:tabular-nums}
.mk-hide{display:none !important}

/* ============ 按钮 ============ */
.mk-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--mk-radius-btn);
  font-size:16px;font-weight:600;line-height:1;text-decoration:none;
  border:1.5px solid transparent;cursor:pointer;
  transition:background-color .12s ease,color .12s ease,border-color .12s ease,transform .12s ease,box-shadow .12s ease;
}
.mk-btn:hover{text-decoration:none}
.mk-btn:focus-visible{outline:3px solid rgba(232,69,44,.35);outline-offset:2px}
.mk-btn-primary{background:var(--mk-primary);color:#fff}
.mk-btn-primary:hover{background:var(--mk-primary-dark);color:#fff;transform:translateY(-1px)}
.mk-btn-primary:active{transform:translateY(0)}
.mk-btn-outline{background:transparent;border-color:var(--mk-ink);color:var(--mk-ink)}
.mk-btn-outline:hover{background:var(--mk-ink);color:#fff}
.mk-btn-outline:active{transform:translateY(0)}
.mk-btn-ghost{background:transparent;border-color:var(--mk-accent);color:var(--mk-accent)}
.mk-btn-ghost:hover{background:var(--mk-accent);color:var(--mk-accent-ink);border-color:var(--mk-accent)}
.mk-btn-sm{height:40px;padding:0 18px;font-size:15px}
.mk-btn-block{width:100%}

/* ============ 徽章 ============ */
.mk-badge{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;
  border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.02em;
  background:var(--mk-muted-bg);color:var(--mk-ink-soft);white-space:nowrap;
}
.mk-badge-accent{background:var(--mk-accent);color:var(--mk-accent-ink)}
.mk-badge-line{background:transparent;border:1px solid var(--mk-line);color:var(--mk-ink-soft)}
.mk-badge-darkline{background:rgba(255,255,255,.12);color:#fff}

/* ============ 导航 ============ */
.mk-header{
  position:sticky;top:0;z-index:60;
  background:var(--mk-bg);
  border-bottom:1px solid var(--mk-line);
  transition:box-shadow .18s ease;
}
.mk-header.is-scrolled{box-shadow:0 6px 20px rgba(20,22,27,.09)}
.mk-nav-inner{
  max-width:var(--mk-container);margin:0 auto;padding:0 20px;
  height:68px;display:flex;align-items:center;gap:24px;
  transition:height .18s ease;
}
.mk-header.is-scrolled .mk-nav-inner{height:60px}
.mk-logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0}
.mk-logo:hover{text-decoration:none}
.mk-logo-mark{
  width:34px;height:34px;border-radius:10px;background:var(--mk-primary);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:800;letter-spacing:0;
}
.mk-logo-text{font-size:17px;font-weight:700;color:var(--mk-ink);letter-spacing:.01em}
.mk-nav-desktop{display:flex;align-items:center;gap:6px;margin-left:8px;flex:1}
.mk-nav-link{
  position:relative;display:inline-flex;align-items:center;height:64px;padding:0 12px;
  font-size:15px;font-weight:500;color:var(--mk-ink-soft);text-decoration:none;
  transition:color .12s ease;
}
.mk-nav-link:hover{color:var(--mk-ink);text-decoration:none}
.mk-nav-link.is-active{color:var(--mk-ink);font-weight:700}
.mk-nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:14px;height:3px;
  background:var(--mk-primary);border-radius:999px;
}
.mk-nav-link:focus-visible{outline:3px solid rgba(232,69,44,.35);outline-offset:2px;border-radius:6px}
.mk-nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.mk-nav-toggle{
  display:none;position:relative;width:44px;height:44px;flex-shrink:0;
  border:1px solid var(--mk-line);border-radius:10px;background:var(--mk-surface);
}
.mk-nav-toggle:focus-visible{outline:3px solid rgba(232,69,44,.35);outline-offset:2px}
.mk-nav-toggle span{position:absolute;left:12px;right:12px;top:50%;height:2px;background:var(--mk-ink);transform:translateY(-1px)}
.mk-nav-toggle span::before,
.mk-nav-toggle span::after{content:"";position:absolute;left:0;right:0;height:2px;background:var(--mk-ink)}
.mk-nav-toggle span::before{top:-7px}
.mk-nav-toggle span::after{top:7px}
.mk-drawer{display:none}
.mk-drawer.is-open{
  display:flex;flex-direction:column;gap:4px;
  padding:10px 20px 20px;border-top:1px solid var(--mk-line);background:var(--mk-surface);
}
.mk-drawer-link{
  display:block;padding:12px 4px;font-size:16px;font-weight:500;
  color:var(--mk-ink-soft);text-decoration:none;border-bottom:1px solid var(--mk-line);
}
.mk-drawer-link:hover{color:var(--mk-ink);text-decoration:none}
.mk-drawer-link.is-active{color:var(--mk-primary);font-weight:700}
.mk-drawer .mk-btn{margin-top:14px}

/* ============ 页头 ============ */
.mk-pagehead{
  position:relative;color:#fff;overflow:hidden;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.mk-pagehead::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(96deg,rgba(16,19,24,.9) 0%,rgba(16,19,24,.74) 55%,rgba(16,19,24,.58) 100%);
}
.mk-pagehead-inner{position:relative;padding:26px 0 52px}
.mk-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.72);margin-bottom:26px}
.mk-crumb a{color:rgba(255,255,255,.82);text-decoration:none}
.mk-crumb a:hover{color:#fff;text-decoration:underline}
.mk-crumb span.sep{color:rgba(255,255,255,.4)}
.mk-pagehead-grid{display:flex;flex-wrap:wrap;align-items:flex-end;gap:32px}
.mk-pagehead-main{flex:1 1 560px;max-width:760px}
.mk-pagehead h1{color:#fff;font-size:44px;font-weight:800;margin:0 0 16px}
.mk-pagehead-desc{font-size:17px;line-height:1.8;color:rgba(255,255,255,.84);margin:0;max-width:660px}
.mk-pagehead-aside{flex:0 0 auto;display:flex;flex-direction:column;gap:10px;align-items:flex-start}
.mk-pagehead-aside .mk-meta{font-size:13px;color:rgba(255,255,255,.68)}

/* ============ 板块 ============ */
.mk-section{padding:72px 0}
.mk-section-alt{background:var(--mk-surface);border-top:1px solid var(--mk-line);border-bottom:1px solid var(--mk-line)}
.mk-section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px}
.mk-section-head h2{margin:0}
.mk-section-sub{margin:8px 0 0;color:var(--mk-ink-soft);font-size:16px;max-width:720px}
.mk-section-link{font-size:15px;font-weight:600;text-decoration:none;color:var(--mk-primary)}
.mk-section-link:hover{text-decoration:underline;text-decoration-thickness:2px}

/* ============ 栅格微调 ============ */
.mk-grid{margin-left:-12px;margin-right:-12px}
.mk-grid > .cell{padding-left:12px;padding-right:12px;margin-bottom:24px}
.mk-grid-tight{margin-left:-8px;margin-right:-8px}
.mk-grid-tight > .cell{padding-left:8px;padding-right:8px;margin-bottom:16px}

/* ============ 数据条 ============ */
.mk-stats{
  background:var(--mk-surface);border:1px solid var(--mk-line);border-radius:var(--mk-radius-card);
  box-shadow:var(--mk-shadow);padding:8px 4px;margin-top:-44px;position:relative;z-index:2;
}
.mk-stat{padding:20px 22px;border-right:1px solid var(--mk-line)}
.mk-grid > .cell:last-child .mk-stat{border-right:none}
.mk-stat-value{font-size:30px;font-weight:800;color:var(--mk-ink);line-height:1.2}
.mk-stat-value em{font-style:normal;color:var(--mk-primary)}
.mk-stat-label{margin-top:6px;font-size:14px;color:var(--mk-ink-soft)}

/* ============ 标签行 ============ */
.mk-tagbar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.mk-tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
  background:var(--mk-muted-bg);color:var(--mk-ink-soft);font-size:14px;font-weight:500;
}
.mk-tag.is-key{background:var(--mk-accent);color:var(--mk-accent-ink);font-weight:600}

/* ============ 问答条目 ============ */
.mk-qa{
  background:var(--mk-surface);border:1px solid var(--mk-line);border-radius:var(--mk-radius-card);
  box-shadow:var(--mk-shadow);overflow:hidden;transition:box-shadow .14s ease,border-color .14s ease,transform .14s ease;
}
.mk-qa + .mk-qa{margin-top:14px}
.mk-qa:hover{box-shadow:var(--mk-shadow-hover);transform:translateY(-2px)}
.mk-qa[open]{border-color:rgba(232,69,44,.32);transform:none}
.mk-qa summary{
  display:flex;align-items:flex-start;gap:16px;padding:20px 22px;
  cursor:pointer;list-style:none;
}
.mk-qa summary::-webkit-details-marker{display:none}
.mk-qa summary:focus-visible{outline:3px solid rgba(232,69,44,.35);outline-offset:-3px}
.mk-qa-head{flex:1 1 auto;min-width:0}
.mk-qa-topline{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:8px}
.mk-qa-title{font-size:19px;font-weight:700;color:var(--mk-ink);line-height:1.45;margin:0}
.mk-qa[open] .mk-qa-title{color:var(--mk-primary)}
.mk-qa-lead{font-size:15px;color:var(--mk-ink-soft);line-height:1.7}
.mk-qa-icon{
  flex:0 0 auto;width:32px;height:32px;border-radius:50%;border:1px solid var(--mk-line);
  display:inline-flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;
  color:var(--mk-ink-soft);background:var(--mk-bg);transition:background-color .14s ease,color .14s ease,border-color .14s ease;
}
.mk-qa-icon::before{content:"+"}
.mk-qa[open] .mk-qa-icon{background:var(--mk-primary);border-color:var(--mk-primary);color:#fff}
.mk-qa[open] .mk-qa-icon::before{content:"–"}
.mk-qa-body{padding:0 22px 22px;border-top:1px solid var(--mk-line);margin-top:-1px}
.mk-qa-body-inner{padding-top:18px;color:var(--mk-ink-soft);font-size:16px}
.mk-qa-body-inner ul{margin-bottom:0}
.mk-qa-body-inner strong{color:var(--mk-ink);font-weight:600}
.mk-qa-foot{
  margin-top:16px;padding-top:14px;border-top:1px dashed var(--mk-line);
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;font-size:14px;color:var(--mk-ink-soft);
}

/* ============ 流程 ============ */
.mk-flow{list-style:none;margin:0;padding:0;counter-reset:mkflow}
.mk-flow li{
  position:relative;padding:0 0 26px 62px;border-left:3px solid var(--mk-primary);
  margin-left:14px;margin-bottom:0;
}
.mk-flow li:last-child{border-left-color:transparent;padding-bottom:0}
.mk-flow li::before{
  counter-increment:mkflow;content:counter(mkflow,decimal-leading-zero);
  position:absolute;left:-16px;top:-4px;
  width:32px;height:32px;border-radius:50%;background:var(--mk-dark);color:var(--mk-accent);
  font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.mk-flow-title{font-size:18px;font-weight:700;margin:6px 0 4px}
.mk-flow-desc{font-size:15px;color:var(--mk-ink-soft);margin:0}
.mk-figure{
  border-radius:var(--mk-radius-card);overflow:hidden;border:1px solid var(--mk-line);
  background:var(--mk-muted-bg);box-shadow:var(--mk-shadow);
}
.mk-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:0}
.mk-figure figcaption{padding:14px 18px;font-size:14px;color:var(--mk-ink-soft);background:var(--mk-surface)}

/* ============ 基础规则 FAQ ============ */
.mk-faq-card{
  background:var(--mk-surface);border:1px solid var(--mk-line);border-radius:var(--mk-radius-card);
  padding:22px 22px 20px;height:100%;box-shadow:var(--mk-shadow);transition:box-shadow .14s ease,transform .14s ease;
}
.mk-faq-card:hover{box-shadow:var(--mk-shadow-hover);transform:translateY(-2px)}
.mk-faq-index{
  display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:8px;
  background:var(--mk-muted-bg);color:var(--mk-ink-soft);font-size:13px;font-weight:700;margin-bottom:12px;
  font-variant-numeric:tabular-nums;
}
.mk-faq-card h3{font-size:18px;margin-bottom:10px}
.mk-faq-card p{margin:0;font-size:15px;color:var(--mk-ink-soft)}

/* ============ CTA ============ */
.mk-cta{
  position:relative;color:#fff;overflow:hidden;
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
}
.mk-cta::before{content:"";position:absolute;inset:0;background:rgba(16,19,24,.86)}
.mk-cta-inner{position:relative;padding:56px 0;display:flex;flex-wrap:wrap;align-items:center;gap:28px}
.mk-cta-text{flex:1 1 420px;max-width:620px}
.mk-cta-text h2{color:#fff;margin-bottom:10px}
.mk-cta-text p{margin:0;color:rgba(255,255,255,.82);font-size:16px}
.mk-cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-left:auto}

/* ============ 分页 ============ */
.mk-pager{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px;margin-top:36px}
.mk-pager a,.mk-pager span{
  display:inline-flex;align-items:center;justify-content:center;min-width:42px;height:42px;padding:0 14px;
  border-radius:var(--mk-radius-btn);border:1px solid var(--mk-line);background:var(--mk-surface);
  color:var(--mk-ink-soft);font-size:15px;font-weight:600;text-decoration:none;
  transition:border-color .12s ease,color .12s ease,background-color .12s ease;
}
.mk-pager a:hover{border-color:var(--mk-primary);color:var(--mk-primary);text-decoration:none}
.mk-pager .is-current{background:var(--mk-primary);border-color:var(--mk-primary);color:#fff}
.mk-pager .is-disabled{opacity:.45;pointer-events:none}

/* ============ 页脚 ============ */
.mk-footer{background:var(--mk-dark);color:#fff;border-top:3px solid var(--mk-primary)}
.mk-footer-inner{padding:56px 20px 26px}
.mk-footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.mk-footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;margin-bottom:14px}
.mk-footer-brand .mk-logo-mark{width:32px;height:32px;border-radius:9px;font-size:16px}
.mk-footer-desc{font-size:14px;line-height:1.8;color:var(--mk-link-muted);margin:0;max-width:340px}
.mk-footer h4{color:#fff;font-size:15px;margin-bottom:14px}
.mk-footer-links{list-style:none;margin:0;padding:0}
.mk-footer-links li{margin-bottom:10px}
.mk-footer-links a{color:var(--mk-link-muted);font-size:14px;text-decoration:none}
.mk-footer-links a:hover{color:#fff;text-decoration:underline}
.mk-footer-note{
  margin:36px 0 0;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;line-height:1.8;color:var(--mk-link-muted);
}
.mk-footer-bottom{
  margin-top:18px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:var(--mk-link-muted);
}

/* ============ 响应式 ============ */
@media screen and (max-width:1439px){
  .mk-pagehead h1{font-size:40px}
}
@media screen and (max-width:1023px){
  body{font-size:16px}
  h2{font-size:26px}
  h3{font-size:20px}
  .mk-nav-desktop{display:none}
  .mk-nav-toggle{display:block}
  .mk-nav-inner{height:56px;gap:12px}
  .mk-header.is-scrolled .mk-nav-inner{height:56px}
  .mk-nav-actions .mk-badge{display:none}
  .mk-logo-text{font-size:15px}
  .mk-pagehead h1{font-size:32px}
  .mk-pagehead-inner{padding:20px 0 40px}
  .mk-section{padding:56px 0}
  .mk-stat{border-right:none;border-bottom:1px solid var(--mk-line);padding:16px 18px}
  .mk-grid > .cell:last-child .mk-stat{border-bottom:none}
  .mk-cta-actions{margin-left:0}
  .mk-footer-grid{grid-template-columns:1fr 1fr}
}
@media screen and (max-width:639px){
  body{font-size:16px}
  h2{font-size:24px}
  .mk-container{padding:0 16px}
  .mk-pagehead h1{font-size:30px}
  .mk-pagehead-desc{font-size:15px}
  .mk-section{padding:48px 0}
  .mk-section-head{margin-bottom:24px}
  .mk-stats{margin-top:-32px}
  .mk-stat-value{font-size:26px}
  .mk-qa summary{padding:16px 16px}
  .mk-qa-body{padding:0 16px 18px}
  .mk-qa-title{font-size:17px}
  .mk-btn{height:44px;padding:0 20px}
  .mk-cta-inner{padding:44px 0}
  .mk-footer-grid{grid-template-columns:1fr;gap:24px}
  .mk-footer-inner{padding:44px 16px 22px}
  .mk-footer-bottom{flex-direction:column}
  .mk-flow li{padding-left:52px}
}
@media (prefers-reduced-motion: reduce){
  *{transition:none !important;animation:none !important}
  .mk-qa:hover,.mk-faq-card:hover{transform:none}
}