/* roulang page: index */
:root{
  --mk-ink:#14171A;
  --mk-ink-2:#1E242B;
  --mk-paper:#F4F1EA;
  --mk-white:#FFFFFF;
  --mk-accent:#D2572E;
  --mk-stone:#8B867A;
  --mk-mist:#E3DFD7;
  --mk-line:rgba(244,241,234,.18);
  --mk-r-card:8px;
  --mk-r-btn:2px;
  --mk-r-tag:4px;
  --mk-shadow:0 8px 24px rgba(20,23,26,.06);
  --mk-ease:cubic-bezier(.2,.7,.2,1);
  --mk-container:1240px;
  --mk-gutter:40px;
  --mk-section:104px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--mk-paper);
  color:var(--mk-ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  font-size:16.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.25;color:var(--mk-ink);}
p{margin:0;}
:focus-visible{outline:2px solid var(--mk-accent);outline-offset:3px;border-radius:2px;}
::selection{background:var(--mk-accent);color:#fff;}

.mk-container{width:100%;max-width:var(--mk-container);margin:0 auto;padding:0 var(--mk-gutter);}
.mk-section{padding:var(--mk-section) 0;}
.mk-num{font-variant-numeric:tabular-nums;letter-spacing:-.03em;font-weight:800;}

/* ---------- 顶部活动条 ---------- */
.mk-topbar{background:var(--mk-ink);color:#EDE9E1;font-size:13px;}
.mk-topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:38px;padding-top:6px;padding-bottom:6px;}
.mk-topbar-text{display:flex;align-items:center;gap:10px;letter-spacing:.01em;line-height:1.5;}
.mk-dot{width:7px;height:7px;border-radius:50%;background:var(--mk-accent);flex:0 0 7px;display:inline-block;}
.mk-topbar-side{display:flex;align-items:center;gap:14px;}
.mk-topbar-badge{border:1px solid rgba(210,87,46,.75);color:#F0A184;border-radius:var(--mk-r-tag);padding:1px 7px;font-size:12px;line-height:1.6;}
.mk-topbar-count{font-variant-numeric:tabular-nums;color:#B9B3A7;letter-spacing:.02em;}
.mk-topbar-close{background:none;border:0;cursor:pointer;color:#8B867A;font-size:16px;line-height:1;padding:4px 6px;transition:color .2s var(--mk-ease);}
.mk-topbar-close:hover{color:#fff;}

/* ---------- 导航 ---------- */
.mk-header{position:sticky;top:0;z-index:1030;background:rgba(244,241,234,0);transition:background .28s var(--mk-ease),box-shadow .28s var(--mk-ease),border-color .28s var(--mk-ease);border-bottom:1px solid transparent;}
.mk-header.is-scrolled{background:rgba(244,241,234,.96);border-bottom-color:var(--mk-mist);backdrop-filter:saturate(140%) blur(4px);}
.mk-nav-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;min-height:74px;}
.mk-brand{display:flex;align-items:baseline;gap:8px;font-weight:800;letter-spacing:-.03em;}
.mk-brand-mark{font-size:26px;line-height:1;color:var(--mk-ink);}
.mk-brand-text{font-size:15px;font-weight:600;color:var(--mk-stone);letter-spacing:.04em;}
.mk-brand:hover .mk-brand-text{color:var(--mk-accent);}
.mk-nav-list{display:flex;align-items:center;gap:34px;}
.mk-nav-list a{position:relative;font-size:15.5px;font-weight:600;padding:6px 0;color:#2B3036;transition:color .2s var(--mk-ease);}
.mk-nav-list a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--mk-accent);transform:scaleX(0);transform-origin:left;transition:transform .24s var(--mk-ease);}
.mk-nav-list a:hover{color:var(--mk-ink);}
.mk-nav-list a:hover::after,.mk-nav-list a.active::after{transform:scaleX(1);}
.mk-nav-list a.active{color:var(--mk-ink);}
.mk-nav-actions{display:flex;align-items:center;gap:16px;}
.mk-status{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--mk-mist);background:rgba(255,255,255,.7);border-radius:var(--mk-r-tag);padding:3px 9px;font-size:12px;color:#4A5055;line-height:1.6;white-space:nowrap;}
.mk-status .mk-dot{width:6px;height:6px;flex:0 0 6px;}
.mk-nav-toggle{display:none;width:44px;height:44px;background:none;border:1px solid var(--mk-mist);border-radius:var(--mk-r-btn);align-items:center;justify-content:center;font-size:17px;cursor:pointer;transition:border-color .2s var(--mk-ease),color .2s var(--mk-ease);}
.mk-nav-toggle:hover{border-color:var(--mk-ink);color:var(--mk-accent);}

/* ---------- 按钮 ---------- */
.mk-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--mk-r-btn);padding:13px 26px;font-size:15.5px;font-weight:600;line-height:1.2;cursor:pointer;border:1px solid transparent;transition:color .24s var(--mk-ease),border-color .24s var(--mk-ease),background .24s var(--mk-ease);min-height:46px;}
.mk-btn-primary{position:relative;overflow:hidden;background:var(--mk-ink);color:#F4F1EA;}
.mk-btn-primary::before{content:"";position:absolute;inset:0;background:var(--mk-accent);transform:translateX(-101%);transition:transform .32s var(--mk-ease);}
.mk-btn-primary span,.mk-btn-primary i{position:relative;z-index:1;}
.mk-btn-primary:hover{color:#fff;}
.mk-btn-primary:hover::before{transform:translateX(0);}
.mk-btn-ghost{border-color:var(--mk-ink);color:var(--mk-ink);background:transparent;}
.mk-btn-ghost:hover{background:var(--mk-white);border-color:var(--mk-ink);box-shadow:var(--mk-shadow);}
.mk-btn-sm{padding:10px 18px;font-size:14.5px;min-height:40px;}
.mk-link{position:relative;display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:15.5px;color:var(--mk-ink);transition:color .2s var(--mk-ease);padding-bottom:2px;}
.mk-link::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .2s var(--mk-ease);}
.mk-link:hover{color:var(--mk-accent);}
.mk-link:hover::after{transform:scaleX(1);}
.mk-link .arrow{transition:transform .22s var(--mk-ease);}
.mk-link:hover .arrow{transform:translateX(4px);}
.mk-link-light{color:#EDE9E1;}
.mk-link-light::after{background:#EDE9E1;}

/* ---------- Hero ---------- */
.mk-hero{padding:72px 0 88px;position:relative;}
.mk-hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:64px;align-items:center;}
.mk-eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--mk-stone);font-weight:600;margin-bottom:22px;}
.mk-eyebrow::before{content:"";width:34px;height:1px;background:var(--mk-accent);}
.mk-hero h1{font-size:clamp(34px,4.2vw,50px);letter-spacing:-.03em;margin-bottom:22px;}
.mk-hero-sub{font-size:17.5px;color:#454B51;max-width:560px;margin-bottom:34px;}
.mk-hero-cta{display:flex;align-items:center;gap:26px;flex-wrap:wrap;margin-bottom:38px;}
.mk-hero-facts{display:flex;flex-wrap:wrap;gap:0;border-top:1px solid var(--mk-mist);padding-top:20px;}
.mk-hero-facts li{position:relative;font-size:14.5px;color:#4A5055;padding:0 26px;line-height:1.6;}
.mk-hero-facts li:first-child{padding-left:0;}
.mk-hero-facts li+li::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:1px;background:var(--mk-mist);}
.mk-hero-media{position:relative;}
.mk-hero-media img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:var(--mk-r-card);background:var(--mk-mist);}
.mk-hero-tag{position:absolute;left:16px;bottom:16px;display:inline-flex;align-items:center;gap:7px;background:rgba(20,23,26,.88);color:#F4F1EA;border-radius:var(--mk-r-tag);padding:6px 12px;font-size:12.5px;line-height:1.6;}

/* ---------- 主张条 ---------- */
.mk-claim{background:var(--mk-ink-2);color:#E7E3DA;padding:44px 0;}
.mk-claim-list{display:grid;grid-template-columns:repeat(4,1fr);}
.mk-claim-list li{position:relative;padding:4px 30px;display:flex;gap:14px;align-items:flex-start;}
.mk-claim-list li+li{border-left:1px solid var(--mk-line);}
.mk-claim-list li:first-child{padding-left:0;}
.mk-claim-num{font-size:13px;color:var(--mk-accent);font-variant-numeric:tabular-nums;font-weight:700;letter-spacing:.06em;padding-top:3px;}
.mk-claim-list p{font-size:15.5px;line-height:1.7;color:#E7E3DA;}

/* ---------- 板块标题 ---------- */
.mk-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:52px;}
.mk-section-title{font-size:clamp(26px,3vw,36px);}
.mk-section-desc{color:var(--mk-stone);margin-top:14px;max-width:620px;font-size:16px;}

/* ---------- 故事 / 理念 ---------- */
.mk-story{display:grid;grid-template-columns:7fr 5fr;gap:72px;align-items:start;}
.mk-story h2{font-size:clamp(28px,3.2vw,38px);margin-bottom:26px;max-width:14em;}
.mk-story p{color:#40464C;margin-bottom:20px;max-width:600px;}
.mk-story-stats{display:flex;gap:56px;flex-wrap:wrap;margin-top:40px;padding-top:32px;border-top:1px solid var(--mk-mist);}
.mk-story-stats strong{display:block;font-size:clamp(34px,4vw,48px);line-height:1.1;color:var(--mk-ink);}
.mk-story-stats span{font-size:14px;color:var(--mk-stone);display:block;margin-top:6px;}
.mk-story-media{position:relative;}
.mk-story-media img{width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:var(--mk-r-card);background:var(--mk-mist);}
.mk-story-badge{position:absolute;right:-12px;top:26px;background:var(--mk-accent);color:#fff;font-size:12.5px;border-radius:var(--mk-r-tag);padding:6px 12px;line-height:1.6;box-shadow:var(--mk-shadow);}

/* ---------- 精选卡 ---------- */
.mk-feature-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:24px;}
.mk-card{background:var(--mk-white);border:1px solid var(--mk-mist);border-radius:var(--mk-r-card);overflow:hidden;display:flex;flex-direction:column;transition:transform .24s var(--mk-ease),border-color .24s var(--mk-ease),box-shadow .24s var(--mk-ease);}
.mk-card:hover{transform:translateY(-2px);border-color:var(--mk-ink);box-shadow:var(--mk-shadow);}
.mk-card--lead{grid-column:span 4;}
.mk-card--side{grid-column:span 2;}
.mk-card--half{grid-column:span 3;}
.mk-card-media{overflow:hidden;background:var(--mk-mist);}
.mk-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--mk-ease);}
.mk-card:hover .mk-card-media img{transform:scale(1.03);}
.mk-card--lead .mk-card-media img{aspect-ratio:16/9;}
.mk-card--side .mk-card-media img{aspect-ratio:4/3;}
.mk-card--half .mk-card-media img{aspect-ratio:16/10;}
.mk-card-body{padding:24px 26px 26px;display:flex;flex-direction:column;gap:12px;flex:1;}
.mk-tag{display:inline-flex;align-items:center;gap:6px;align-self:flex-start;border:1px solid var(--mk-mist);border-radius:var(--mk-r-tag);padding:2px 9px;font-size:12px;color:#4A5055;line-height:1.7;background:rgba(244,241,234,.6);}
.mk-tag-accent{border-color:rgba(210,87,46,.5);color:var(--mk-accent);background:rgba(210,87,46,.06);}
.mk-card h3{font-size:19px;line-height:1.45;transition:color .22s var(--mk-ease);}
.mk-card:hover h3{color:var(--mk-accent);}
.mk-card p{color:var(--mk-stone);font-size:15px;line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.mk-card-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--mk-mist);display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13.5px;color:var(--mk-stone);}

/* ---------- 资讯列表 ---------- */
.mk-news{border-top:1px solid var(--mk-mist);}
.mk-news-row{display:grid;grid-template-columns:150px 1fr 40px;gap:28px;align-items:start;padding:26px 18px;border-bottom:1px solid var(--mk-mist);transition:background .2s var(--mk-ease);}
.mk-news-row:hover{background:var(--mk-white);}
.mk-news-meta{display:flex;flex-direction:column;gap:8px;font-size:13px;color:var(--mk-stone);}
.mk-news-cat{color:var(--mk-accent);font-weight:600;}
.mk-news-time{font-variant-numeric:tabular-nums;}
.mk-news-body h3{font-size:18.5px;line-height:1.5;margin-bottom:8px;transition:color .2s var(--mk-ease);}
.mk-news-row:hover .mk-news-body h3{color:var(--mk-accent);}
.mk-news-body p{color:var(--mk-stone);font-size:15px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.mk-news-arrow{align-self:center;font-size:18px;color:var(--mk-stone);transition:transform .24s var(--mk-ease),color .24s var(--mk-ease);}
.mk-news-row:hover .mk-news-arrow{transform:translateX(4px);color:var(--mk-accent);}
.mk-empty{min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;border-bottom:1px solid var(--mk-mist);text-align:center;padding:40px 20px;}
.mk-empty svg{width:34px;height:34px;stroke:var(--mk-stone);fill:none;stroke-width:1.2;}
.mk-empty p{color:var(--mk-stone);font-size:15px;}

/* ---------- 信任背书 ---------- */
.mk-trust{background:var(--mk-white);border-top:1px solid var(--mk-mist);border-bottom:1px solid var(--mk-mist);}
.mk-trust-stats{display:grid;grid-template-columns:repeat(4,1fr);margin-bottom:56px;}
.mk-trust-stats li{position:relative;padding:0 32px;}
.mk-trust-stats li:first-child{padding-left:0;}
.mk-trust-stats li+li{border-left:1px solid var(--mk-mist);}
.mk-trust-stats strong{display:block;font-size:clamp(30px,3.4vw,42px);line-height:1.15;}
.mk-trust-stats span{display:block;margin-top:8px;font-size:14px;color:var(--mk-stone);}
.mk-logo-wall{display:grid;grid-template-columns:repeat(6,1fr);gap:18px;margin-bottom:56px;}
.mk-logo-wall li{border:1px solid var(--mk-mist);border-radius:var(--mk-r-card);padding:20px 12px;text-align:center;font-size:14px;color:var(--mk-stone);background:var(--mk-paper);filter:grayscale(1);transition:filter .24s var(--mk-ease),color .24s var(--mk-ease),border-color .24s var(--mk-ease),transform .24s var(--mk-ease);}
.mk-logo-wall li:hover{filter:grayscale(0);color:var(--mk-ink);border-color:var(--mk-ink);transform:translateY(-2px);}
.mk-quotes{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;}
.mk-quote{position:relative;padding:26px 30px 26px 56px;border-left:3px solid var(--mk-accent);background:var(--mk-paper);border-radius:0 var(--mk-r-card) var(--mk-r-card) 0;}
.mk-quote::before{content:"“";position:absolute;left:20px;top:6px;font-size:44px;line-height:1;color:var(--mk-accent);opacity:.5;}
.mk-quote p{font-size:16px;color:#33383E;margin-bottom:12px;}
.mk-quote cite{font-style:normal;font-size:13.5px;color:var(--mk-stone);}

/* ---------- FAQ ---------- */
.mk-faq-wrap{max-width:900px;}
.mk-faq-item{border-bottom:1px solid var(--mk-mist);}
.mk-faq-item:first-child{border-top:1px solid var(--mk-mist);}
.mk-faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;background:none;border:0;text-align:left;padding:26px 0;font-size:18px;font-weight:600;line-height:1.55;cursor:pointer;transition:color .22s var(--mk-ease);}
.mk-faq-q .q-text{display:flex;gap:16px;align-items:baseline;}
.mk-faq-q .q-idx{font-size:13px;color:var(--mk-stone);font-variant-numeric:tabular-nums;letter-spacing:.06em;}
.mk-faq-q[aria-expanded="true"]{color:var(--mk-accent);}
.mk-faq-icon{position:relative;width:16px;height:16px;flex:0 0 16px;}
.mk-faq-icon::before,.mk-faq-icon::after{content:"";position:absolute;background:currentColor;transition:transform .24s var(--mk-ease);}
.mk-faq-icon::before{left:0;top:7.5px;width:16px;height:1px;}
.mk-faq-icon::after{left:7.5px;top:0;width:1px;height:16px;}
.mk-faq-q[aria-expanded="true"] .mk-faq-icon::after{transform:scaleY(0);}
.mk-faq-a{padding:0 0 28px;}
.mk-faq-a p{max-width:720px;color:#454B51;font-size:15.5px;}

/* ---------- CTA ---------- */
.mk-cta{background:var(--mk-ink);color:#E9E5DC;padding:88px 0;}
.mk-cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;}
.mk-cta h2{color:#F4F1EA;font-size:clamp(26px,3vw,36px);margin-bottom:18px;}
.mk-cta p{color:#A9A39A;font-size:15.5px;max-width:460px;}
.mk-form{display:grid;gap:6px;}
.mk-field{position:relative;margin-bottom:26px;}
.mk-field label{position:absolute;left:0;top:14px;font-size:15px;color:#8B867A;pointer-events:none;transition:transform .2s var(--mk-ease),font-size .2s var(--mk-ease),color .2s var(--mk-ease);}
.mk-field input{width:100%;background:transparent;border:0;border-bottom:1px solid rgba(244,241,234,.28);padding:12px 0 10px;color:#F4F1EA;font-size:16px;transition:border-color .24s var(--mk-ease);}
.mk-field input:focus{outline:none;border-bottom-color:var(--mk-accent);}
.mk-field input:focus+label,.mk-field input:not(:placeholder-shown)+label{transform:translateY(-22px);font-size:12px;color:var(--mk-accent);}
.mk-form-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap;}
.mk-form-note{font-size:13px;color:#8B867A;}
.mk-form-bar{display:none;border-radius:var(--mk-r-tag);padding:10px 14px;font-size:14px;margin-bottom:20px;}
.mk-form-bar.is-ok{display:block;background:rgba(210,87,46,.14);color:#F0A184;border:1px solid rgba(210,87,46,.5);}

/* ---------- 页脚 ---------- */
.mk-footer{background:var(--mk-ink-2);color:#B4AEA4;padding:72px 0 28px;font-size:14.5px;}
.mk-footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:44px;padding-bottom:44px;border-bottom:1px solid var(--mk-line);}
.mk-footer h4{color:#F4F1EA;font-size:15px;letter-spacing:.04em;margin-bottom:18px;font-weight:700;}
.mk-footer a{color:#B4AEA4;transition:color .2s var(--mk-ease);}
.mk-footer a:hover{color:var(--mk-accent);}
.mk-footer li{margin-bottom:10px;}
.mk-footer .mk-brand-mark{color:#F4F1EA;}
.mk-footer .mk-brand-text{color:#8B867A;}
.mk-footer-desc{margin-top:18px;max-width:300px;line-height:1.8;color:#8B867A;}
.mk-footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:24px;font-size:13.5px;color:#7C7770;}
.mk-footer-bottom a{color:#7C7770;}

/* ---------- 返回顶部 ---------- */
.mk-totop{position:fixed;right:26px;bottom:26px;width:46px;height:46px;border-radius:var(--mk-r-btn);background:var(--mk-ink);color:#F4F1EA;border:0;display:flex;align-items:center;justify-content:center;cursor:pointer;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .28s var(--mk-ease),transform .28s var(--mk-ease),background .24s var(--mk-ease),visibility .28s;z-index:1040;}
.mk-totop.is-on{opacity:1;visibility:visible;transform:translateY(0);}
.mk-totop:hover{background:var(--mk-accent);}

/* ---------- 抽屉导航 ---------- */
.offcanvas.mk-drawer{background:var(--mk-paper);width:min(88vw,360px);}
.mk-drawer .offcanvas-header{border-bottom:1px solid var(--mk-mist);padding:18px 22px;}
.mk-drawer .offcanvas-body{padding:22px;}
.mk-drawer-list li{border-bottom:1px solid var(--mk-mist);}
.mk-drawer-list a{display:block;padding:16px 2px;font-size:16.5px;font-weight:600;}
.mk-drawer-list a.active{color:var(--mk-accent);}
.mk-drawer-foot{margin-top:26px;display:grid;gap:14px;}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--mk-ease),transform .5s var(--mk-ease);}
.reveal.is-in{opacity:1;transform:none;}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important;}
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  :root{--mk-section:88px;}
  .mk-hero-grid{gap:44px;}
  .mk-story{gap:48px;}
}
@media (max-width:991.98px){
  :root{--mk-gutter:28px;--mk-section:76px;}
  .mk-nav-list,.mk-nav-actions .mk-status,.mk-nav-actions .mk-btn{display:none;}
  .mk-nav-toggle{display:inline-flex;}
  .mk-hero{padding:48px 0 64px;}
  .mk-hero-grid{grid-template-columns:1fr;gap:40px;}
  .mk-hero-media{max-width:520px;}
  .mk-claim-list{grid-template-columns:repeat(2,1fr);gap:22px 0;}
  .mk-claim-list li:nth-child(3){border-left:0;padding-left:0;}
  .mk-story{grid-template-columns:1fr;gap:40px;}
  .mk-story-media{max-width:440px;}
  .mk-feature-grid{grid-template-columns:repeat(2,1fr);}
  .mk-card--lead,.mk-card--side,.mk-card--half{grid-column:span 1;}
  .mk-card--lead{grid-column:span 2;}
  .mk-card--lead .mk-card-media img{aspect-ratio:16/9;}
  .mk-trust-stats{grid-template-columns:repeat(2,1fr);gap:28px 0;}
  .mk-trust-stats li:nth-child(3){border-left:0;padding-left:0;}
  .mk-logo-wall{grid-template-columns:repeat(3,1fr);}
  .mk-quotes{grid-template-columns:1fr;}
  .mk-cta-grid{grid-template-columns:1fr;gap:40px;}
  .mk-footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:767.98px){
  :root{--mk-gutter:20px;--mk-section:64px;}
  body{font-size:16px;}
  .mk-topbar-text{font-size:12.5px;}
  .mk-topbar-count{display:none;}
  .mk-nav-inner{min-height:64px;}
  .mk-brand-mark{font-size:23px;}
  .mk-hero h1{font-size:clamp(28px,7.6vw,36px);}
  .mk-hero-cta{gap:18px;}
  .mk-hero-cta .mk-btn{width:100%;}
  .mk-hero-facts{flex-direction:column;gap:12px;padding-top:18px;}
  .mk-hero-facts li{padding:0;}
  .mk-hero-facts li+li::before{display:none;}
  .mk-claim-list{grid-template-columns:1fr;}
  .mk-claim-list li{padding:14px 0 14px 0;border-left:0 !important;}
  .mk-claim-list li+li{border-top:1px solid var(--mk-line);}
  .mk-section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:36px;}
  .mk-feature-grid{grid-template-columns:1fr;}
  .mk-card--lead{grid-column:span 1;}
  .mk-news-row{grid-template-columns:1fr;gap:12px;padding:22px 8px;}
  .mk-news-arrow{display:none;}
  .mk-story-stats{gap:32px;}
  .mk-trust-stats{grid-template-columns:1fr;}
  .mk-trust-stats li{padding:0;border-left:0 !important;}
  .mk-logo-wall{grid-template-columns:repeat(2,1fr);}
  .mk-quote{padding:22px 20px 22px 44px;}
  .mk-cta{padding:64px 0;}
  .mk-footer-grid{grid-template-columns:1fr;gap:30px;}
  .mk-totop{right:16px;bottom:16px;}
}
@media (max-width:519.98px){
  .mk-topbar-text span.long{display:none;}
  .mk-footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}

/* roulang page: article */
:root{
  --mk-ink:#14171A;
  --mk-ink-2:#1E242B;
  --mk-paper:#F4F1EA;
  --mk-paper-2:#FAF8F3;
  --mk-accent:#D2572E;
  --mk-gray:#8B867A;
  --mk-mist:#E3DFD7;
  --mk-line:#CFC9BD;
  --mk-white:#FFFFFF;
  --mk-r:8px;
  --mk-r-sm:4px;
  --mk-r-btn:2px;
  --mk-shadow:0 8px 24px rgba(20,23,26,.06);
  --mk-ease:cubic-bezier(.2,.7,.2,1);
  --mk-font:"PingFang SC","HarmonyOS Sans","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--mk-font);
  font-size:17px;
  line-height:1.8;
  color:var(--mk-ink);
  background:var(--mk-paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
ul,ol{padding-left:1.35em;}
h1,h2,h3,h4{letter-spacing:-0.02em;line-height:1.25;margin:0;font-weight:700;}
p{margin:0;}
::selection{background:rgba(210,87,46,.18);}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--mk-accent);outline-offset:3px;}
.mk-container{width:100%;max-width:1240px;margin:0 auto;padding:0 40px;}
.mk-eyebrow{display:inline-block;font-size:13px;letter-spacing:.14em;color:var(--mk-accent);font-weight:600;}

/* ---------- header ---------- */
.mk-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .28s var(--mk-ease),border-color .28s var(--mk-ease),box-shadow .28s var(--mk-ease);
}
.mk-header.is-scrolled{background:rgba(244,241,234,.97);border-bottom-color:var(--mk-mist);}
.mk-nav-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;height:74px;}
.mk-brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;}
.mk-brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:var(--mk-r-sm);
  background:var(--mk-ink);color:#F7F5F0;
  font-size:16px;letter-spacing:-0.04em;font-weight:700;
}
.mk-brand-text{font-size:19px;letter-spacing:-0.01em;color:var(--mk-ink);}
.mk-nav-list{display:flex;align-items:center;gap:34px;list-style:none;margin:0;padding:0;}
.mk-nav-list a{
  position:relative;display:inline-block;padding:6px 0;font-size:15px;font-weight:500;color:var(--mk-ink);
  transition:color .2s var(--mk-ease);
}
.mk-nav-list a::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--mk-accent);
  transition:width .22s var(--mk-ease);
}
.mk-nav-list a:hover{color:var(--mk-accent);}
.mk-nav-list a:hover::after{width:100%;}
.mk-nav-list a.active{color:var(--mk-accent);}
.mk-nav-list a.active::after{width:100%;height:2px;}
.mk-nav-actions{display:flex;align-items:center;gap:16px;}
.mk-status{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;color:var(--mk-gray);border:1px solid var(--mk-mist);
  border-radius:var(--mk-r-sm);padding:4px 9px;background:rgba(255,255,255,.6);
}
.mk-dot{width:6px;height:6px;border-radius:50%;background:var(--mk-accent);display:inline-block;}
.mk-nav-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  border:1px solid var(--mk-mist);background:transparent;border-radius:var(--mk-r-btn);
  color:var(--mk-ink);font-size:17px;cursor:pointer;
}
.mk-nav-toggle:hover{border-color:var(--mk-ink);}

/* ---------- buttons ---------- */
.mk-btn{
  position:relative;display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border:1px solid transparent;border-radius:var(--mk-r-btn);
  font-size:15px;font-weight:600;cursor:pointer;overflow:hidden;
  transition:background .22s var(--mk-ease),color .22s var(--mk-ease),border-color .22s var(--mk-ease),transform .22s var(--mk-ease);
}
.mk-btn::before{
  content:"";position:absolute;top:0;left:-70%;width:60%;height:100%;
  background:rgba(255,255,255,.16);transform:skewX(-18deg);
  transition:left .42s var(--mk-ease);
}
.mk-btn:hover::before{left:120%;}
.mk-btn-primary{background:var(--mk-ink);color:#F7F5F0;}
.mk-btn-primary:hover{background:var(--mk-accent);color:#fff;}
.mk-btn-ghost{border-color:var(--mk-line);color:var(--mk-ink);background:transparent;}
.mk-btn-ghost:hover{border-color:var(--mk-ink);background:var(--mk-paper-2);}
.mk-btn-sm{min-height:38px;padding:0 16px;font-size:14px;}
.mk-btn-block{width:100%;}
.mk-link{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--mk-ink);
  position:relative;padding-bottom:2px;
}
.mk-link i{transition:transform .22s var(--mk-ease);font-size:12px;}
.mk-link::after{
  content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;background:var(--mk-ink);
  transform:scaleX(.35);transform-origin:left;transition:transform .22s var(--mk-ease),background .22s var(--mk-ease);
}
.mk-link:hover{color:var(--mk-accent);}
.mk-link:hover::after{transform:scaleX(1);background:var(--mk-accent);}
.mk-link:hover i{transform:translateX(4px);}

/* ---------- drawer ---------- */
.mk-drawer{background:var(--mk-paper);width:320px;border-left:1px solid var(--mk-mist);}
.mk-drawer .offcanvas-header{border-bottom:1px solid var(--mk-mist);padding:18px 24px;}
.mk-drawer .offcanvas-body{padding:24px;display:flex;flex-direction:column;gap:24px;}
.mk-drawer-close{background:transparent;border:1px solid var(--mk-mist);width:38px;height:38px;border-radius:var(--mk-r-btn);color:var(--mk-ink);cursor:pointer;}
.mk-drawer-close:hover{border-color:var(--mk-ink);}
.mk-drawer-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;}
.mk-drawer-list a{display:block;padding:15px 0;font-size:16px;font-weight:600;border-bottom:1px solid var(--mk-mist);}
.mk-drawer-list a:hover{color:var(--mk-accent);}

/* ---------- article hero ---------- */
.mk-article-hero{padding:132px 0 44px;}
.mk-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--mk-gray);margin-bottom:12px;}
.mk-crumb a{color:var(--mk-gray);transition:color .2s var(--mk-ease);}
.mk-crumb a:hover{color:var(--mk-accent);}
.mk-crumb span.sep{color:var(--mk-line);}
.mk-crumb span.now{color:var(--mk-ink);}
.mk-article-cat{font-size:13px;letter-spacing:.1em;font-weight:600;color:var(--mk-accent);}
.mk-article-hero h1{
  font-size:clamp(28px,4vw,44px);
  max-width:940px;
  margin:14px 0 22px;
  color:var(--mk-ink);
}
.mk-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:14px;color:var(--mk-gray);}
.mk-meta .bar{width:1px;height:13px;background:var(--mk-line);display:inline-block;}
.mk-meta i{font-size:13px;margin-right:5px;}

/* ---------- article body ---------- */
.mk-article-body{padding:8px 0 96px;}
.mk-article-layout{
  display:grid;grid-template-columns:minmax(0,820px) 220px;gap:56px;
  justify-content:center;align-items:start;
}
.mk-article-panel{background:var(--mk-white);border:1px solid var(--mk-mist);border-radius:var(--mk-r);padding:52px 56px;}
.mk-content{font-size:17px;line-height:1.85;color:#23272B;}
.mk-content > *:first-child{margin-top:0;}
.mk-content p{margin:0 0 1.2em;}
.mk-content h2{
  font-size:clamp(22px,2.4vw,28px);margin:2em 0 .75em;color:var(--mk-ink);position:relative;padding-left:16px;
}
.mk-content h2::before{content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:3px;background:var(--mk-accent);border-radius:2px;}
.mk-content h3{font-size:clamp(19px,1.8vw,22px);margin:1.7em 0 .6em;color:var(--mk-ink);}
.mk-content h4{font-size:18px;margin:1.5em 0 .5em;}
.mk-content ul,.mk-content ol{margin:0 0 1.3em;padding-left:1.4em;}
.mk-content li{margin-bottom:.5em;}
.mk-content blockquote{
  margin:1.7em 0;padding:18px 22px;background:var(--mk-paper-2);
  border-left:3px solid var(--mk-accent);border-radius:0 var(--mk-r) var(--mk-r) 0;color:#3A3E42;
}
.mk-content blockquote p:last-child{margin-bottom:0;}
.mk-content img{border-radius:var(--mk-r);margin:1.6em auto;}
.mk-content figure{margin:1.7em 0;}
.mk-content figcaption{font-size:13px;color:var(--mk-gray);text-align:center;margin-top:8px;}
.mk-content a{color:var(--mk-accent);text-decoration:underline;text-underline-offset:3px;}
.mk-content table{width:100%;border-collapse:collapse;font-size:15px;margin:1.7em 0;}
.mk-content th{
  text-align:left;font-weight:600;color:var(--mk-ink);
  border-bottom:1px solid var(--mk-ink);padding:10px 12px;
}
.mk-content td{border-bottom:1px solid var(--mk-mist);padding:10px 12px;}
.mk-content tbody tr:nth-child(even){background:rgba(227,223,215,.24);}
.mk-content pre{
  background:var(--mk-ink);color:#E9E5DC;border-radius:var(--mk-r);
  padding:18px 20px;overflow-x:auto;font-size:14px;line-height:1.7;margin:1.7em 0;
}
.mk-content code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.92em;}
.mk-content p code,.mk-content li code{background:rgba(20,23,26,.06);padding:2px 5px;border-radius:var(--mk-r-sm);}
.mk-content hr{border:0;border-top:1px solid var(--mk-mist);margin:2.2em 0;}

/* article aside / toc */
.mk-toc{position:sticky;top:104px;font-size:14px;}
.mk-toc-title{font-size:12px;letter-spacing:.14em;color:var(--mk-gray);font-weight:600;margin-bottom:14px;}
.mk-toc ul{list-style:none;margin:0;padding:0;border-left:1px solid var(--mk-mist);}
.mk-toc li a{display:block;padding:7px 0 7px 14px;color:var(--mk-gray);margin-left:-1px;border-left:2px solid transparent;transition:color .2s var(--mk-ease),border-color .2s var(--mk-ease);}
.mk-toc li a:hover{color:var(--mk-ink);border-left-color:var(--mk-line);}
.mk-toc li a.is-current{color:var(--mk-accent);border-left-color:var(--mk-accent);font-weight:600;}
.mk-toc li.mk-toc-sub a{padding-left:26px;font-size:13px;}
.mk-toc-mobile{display:none;margin-bottom:28px;border:1px solid var(--mk-mist);border-radius:var(--mk-r);background:var(--mk-white);}
.mk-toc-mobile summary{padding:14px 18px;font-size:15px;font-weight:600;cursor:pointer;list-style:none;}
.mk-toc-mobile summary::-webkit-details-marker{display:none;}
.mk-toc-mobile summary::after{content:"+";float:right;color:var(--mk-accent);font-weight:700;}
.mk-toc-mobile[open] summary::after{content:"−";}
.mk-toc-mobile ul{list-style:none;margin:0;padding:0 18px 16px;}
.mk-toc-mobile li a{display:block;padding:8px 0;font-size:14px;color:var(--mk-gray);border-top:1px solid var(--mk-mist);}
.mk-toc-mobile li a:hover{color:var(--mk-accent);}

/* empty state */
.mk-empty{
  min-height:260px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;text-align:center;color:var(--mk-gray);
}
.mk-empty i{font-size:34px;color:var(--mk-line);}
.mk-empty strong{font-size:19px;color:var(--mk-ink);font-weight:700;}

/* ---------- article foot ---------- */
.mk-article-foot{padding:0 0 96px;}
.mk-tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:22px 0;border-top:1px solid var(--mk-mist);border-bottom:1px solid var(--mk-mist);margin-bottom:52px;}
.mk-tags .label{font-size:13px;color:var(--mk-gray);letter-spacing:.08em;}
.mk-tag{
  display:inline-flex;align-items:center;font-size:13px;padding:5px 11px;border-radius:var(--mk-r-sm);
  border:1px solid var(--mk-mist);background:rgba(255,255,255,.7);color:var(--mk-ink);
  transition:border-color .2s var(--mk-ease),color .2s var(--mk-ease);
}
.mk-tag:hover{border-color:var(--mk-accent);color:var(--mk-accent);}
.mk-pager{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:64px;}
.mk-pager-item{
  display:block;border:1px solid var(--mk-mist);border-radius:var(--mk-r);background:var(--mk-white);
  padding:22px 24px;transition:transform .22s var(--mk-ease),border-color .22s var(--mk-ease),box-shadow .22s var(--mk-ease);
}
.mk-pager-item:hover{transform:translateY(-2px);border-color:var(--mk-ink);box-shadow:var(--mk-shadow);}
.mk-pager-item .dir{font-size:12px;letter-spacing:.12em;color:var(--mk-gray);}
.mk-pager-item h3{font-size:18px;margin:10px 0 6px;color:var(--mk-ink);}
.mk-pager-item:hover h3{color:var(--mk-accent);}
.mk-pager-item p{font-size:14px;color:var(--mk-gray);}
.mk-pager-item.next{text-align:right;}

.mk-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap;}
.mk-section-head h2{font-size:clamp(24px,3vw,32px);color:var(--mk-ink);}
.mk-section-head p{font-size:15px;color:var(--mk-gray);margin-top:8px;}
.mk-related{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.mk-card{
  display:flex;flex-direction:column;background:var(--mk-white);border:1px solid var(--mk-mist);
  border-radius:var(--mk-r);overflow:hidden;
  transition:transform .24s var(--mk-ease),border-color .24s var(--mk-ease),box-shadow .24s var(--mk-ease);
}
.mk-card:hover{transform:translateY(-2px);border-color:var(--mk-ink);box-shadow:var(--mk-shadow);}
.mk-card-media{overflow:hidden;aspect-ratio:16/10;background:var(--mk-mist);}
.mk-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--mk-ease);}
.mk-card:hover .mk-card-media img{transform:scale(1.03);}
.mk-card-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.mk-card-tag{font-size:12px;color:var(--mk-accent);letter-spacing:.08em;font-weight:600;}
.mk-card-body h3{font-size:19px;color:var(--mk-ink);transition:color .2s var(--mk-ease);}
.mk-card:hover .mk-card-body h3{color:var(--mk-accent);}
.mk-card-body p{font-size:14px;color:var(--mk-gray);flex:1;}
.mk-card-foot{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--mk-gray);border-top:1px solid var(--mk-mist);padding-top:12px;}

/* ---------- CTA dark ---------- */
.mk-cta{background:var(--mk-ink);color:#F2EFE8;padding:88px 0;}
.mk-cta-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center;}
.mk-cta h2{font-size:clamp(24px,3vw,34px);color:#FBF9F4;margin-bottom:16px;}
.mk-cta p{color:#B9B4A9;font-size:16px;max-width:560px;}
.mk-cta .mk-eyebrow{color:#E88C64;}
.mk-form{display:flex;flex-direction:column;gap:18px;}
.mk-field{position:relative;display:block;border-bottom:1px solid rgba(244,241,234,.32);padding-top:20px;transition:border-color .22s var(--mk-ease);}
.mk-field:focus-within{border-bottom-color:var(--mk-accent);}
.mk-field-label{position:absolute;left:0;top:0;font-size:12px;letter-spacing:.1em;color:#9C978C;}
.mk-field input{
  width:100%;background:transparent;border:0;color:#F4F1EA;font-size:16px;padding:6px 0 10px;outline:none;
}
.mk-field input::placeholder{color:#7E7A71;}
.mk-form .mk-btn-primary{background:var(--mk-accent);color:#fff;align-self:flex-start;}
.mk-form .mk-btn-primary:hover{background:#F4F1EA;color:var(--mk-ink);}
.mk-form-note{font-size:13px;color:#E88C64;min-height:18px;}

/* ---------- footer ---------- */
.mk-footer{background:var(--mk-ink-2);color:#C9C5BB;padding:72px 0 32px;}
.mk-footer .mk-brand-text{color:#F4F1EA;}
.mk-footer .mk-brand-mark{background:#F4F1EA;color:var(--mk-ink);}
.mk-footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1.2fr 1fr;gap:40px;}
.mk-footer h4{font-size:15px;color:#F4F1EA;margin-bottom:16px;letter-spacing:.02em;}
.mk-footer ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;font-size:14px;}
.mk-footer ul a{transition:color .2s var(--mk-ease);}
.mk-footer ul a:hover{color:var(--mk-accent);}
.mk-footer-desc{font-size:14px;line-height:1.85;color:#A8A39A;margin-top:18px;max-width:340px;}
.mk-footer-bottom{
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(244,241,234,.16);font-size:13px;color:#8B867A;
}
.mk-footer-bottom a{transition:color .2s var(--mk-ease);}
.mk-footer-bottom a:hover{color:var(--mk-accent);}

/* ---------- to top ---------- */
.mk-totop{
  position:fixed;right:24px;bottom:24px;width:46px;height:46px;border-radius:var(--mk-r-btn);
  background:var(--mk-ink);color:#F4F1EA;border:0;cursor:pointer;font-size:15px;
  opacity:0;pointer-events:none;transform:translateY(8px);
  transition:opacity .26s var(--mk-ease),transform .26s var(--mk-ease),background .22s var(--mk-ease);
  z-index:1040;
}
.mk-totop.is-visible{opacity:1;pointer-events:auto;transform:translateY(0);}
.mk-totop:hover{background:var(--mk-accent);}

/* ---------- motion ---------- */
.mk-rise{opacity:0;transform:translateY(12px);transition:opacity .5s var(--mk-ease),transform .5s var(--mk-ease);}
.mk-rise.is-in{opacity:1;transform:none;}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .mk-article-layout{grid-template-columns:minmax(0,820px);gap:0;}
  .mk-toc{display:none;}
  .mk-toc-mobile{display:block;}
  .mk-related{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991px){
  .mk-container{padding:0 24px;}
  .mk-nav-list{display:none;}
  .mk-nav-toggle{display:inline-flex;}
  .mk-status{display:none;}
  .mk-article-hero{padding:112px 0 34px;}
  .mk-article-panel{padding:34px 26px;}
  .mk-cta-inner{grid-template-columns:1fr;gap:32px;}
  .mk-footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .mk-pager{grid-template-columns:1fr;}
  .mk-pager-item.next{text-align:left;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .mk-article-body{padding-bottom:64px;}
  .mk-article-foot{padding-bottom:64px;}
  .mk-related{grid-template-columns:1fr;}
  .mk-cta{padding:64px 0;}
  .mk-footer{padding:56px 0 28px;}
  .mk-footer-grid{grid-template-columns:1fr;}
  .mk-content table{display:block;overflow-x:auto;white-space:nowrap;}
  .mk-tags{margin-bottom:36px;}
}
@media (max-width:520px){
  .mk-container{padding:0 20px;}
  .mk-article-panel{padding:26px 20px;}
  .mk-brand-text{font-size:17px;}
  .mk-totop{right:16px;bottom:16px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  .mk-rise{opacity:1;transform:none;}
}

/* roulang page: category1 */
/* ============ 设计变量 ============ */
:root{
  --mk-ink:#14171A;
  --mk-indigo:#1E242B;
  --mk-paper:#F4F1EA;
  --mk-paper-2:#EFEBE3;
  --mk-card:#FFFFFF;
  --mk-accent:#D2572E;
  --mk-accent-soft:rgba(210,87,46,.08);
  --mk-stone:#8B867A;
  --mk-text:#2A2C2E;
  --mk-text-soft:#57544E;
  --mk-mist:#E3DFD7;
  --mk-line-dark:rgba(244,241,234,.16);
  --mk-r:8px;
  --mk-r-sm:4px;
  --mk-r-btn:2px;
  --mk-sh:0 8px 24px rgba(20,23,26,.06);
  --mk-ease:cubic-bezier(.2,.7,.2,1);
  --mk-font:"PingFang SC","HarmonyOS Sans","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mk-num:"Space Grotesk","Archivo","Helvetica Neue",Arial,sans-serif;
  --mk-container:1240px;
}

/* ============ 基础重置 ============ */
*,*::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-text);
  background:var(--mk-paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;background:var(--mk-mist)}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;color:var(--mk-ink);font-weight:700;line-height:1.25;letter-spacing:-.02em}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
button,input{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--mk-accent);outline-offset:3px}
.mk-skip{position:absolute;left:-9999px;top:0;background:var(--mk-ink);color:var(--mk-paper);padding:10px 16px;z-index:2000;border-radius:var(--mk-r-btn)}
.mk-skip:focus{left:12px;top:12px}

/* ============ 容器与区块 ============ */
.mk-container{width:100%;max-width:var(--mk-container);margin:0 auto;padding:0 40px}
.mk-section{padding:96px 0}
.mk-section-tight{padding:64px 0}
.mk-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;
  color:var(--mk-stone);margin-bottom:16px;
  font-family:var(--mk-num),var(--mk-font);
}
.mk-eyebrow::before{content:"";width:20px;height:1px;background:var(--mk-accent)}
.mk-h2{font-size:clamp(26px,3vw,38px)}
.mk-h3{font-size:clamp(19px,2vw,22px)}
.mk-lead{font-size:17px;line-height:1.85;color:var(--mk-text-soft);max-width:720px}

/* ============ 顶部导航 ============ */
.mk-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(244,241,234,0);
  border-bottom:1px solid transparent;
  transition:background .25s var(--mk-ease),border-color .25s var(--mk-ease);
}
.mk-header.is-stuck{background:var(--mk-paper);border-bottom-color:var(--mk-mist)}
.mk-nav-inner{display:flex;align-items:center;gap:32px;min-height:78px}
.mk-brand{display:inline-flex;align-items:center;gap:9px;font-weight:700;flex:0 0 auto}
.mk-brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  height:34px;padding:0 11px;background:var(--mk-ink);color:var(--mk-paper);
  border-radius:var(--mk-r-sm);font-size:19px;letter-spacing:-.03em;font-weight:700;
}
.mk-brand-text{font-size:14px;letter-spacing:.16em;color:var(--mk-stone);font-weight:600}
.mk-nav-list{display:flex;align-items:center;gap:30px;margin:0 0 0 12px}
.mk-nav-list a{
  position:relative;display:inline-block;padding:7px 0;font-size:15px;font-weight:500;color:var(--mk-text-soft);
  transition:color .2s var(--mk-ease);
}
.mk-nav-list a::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:100%;
  background:var(--mk-ink);transform:scaleX(0);transform-origin:left;
  transition:transform .2s var(--mk-ease);
}
.mk-nav-list a:hover{color:var(--mk-ink)}
.mk-nav-list a:hover::after{transform:scaleX(1)}
.mk-nav-list a.active{color:var(--mk-ink);font-weight:700}
.mk-nav-list a.active::after{height:2px;background:var(--mk-accent);transform:scaleX(1)}
.mk-nav-actions{display:flex;align-items:center;gap:14px;margin-left:auto}
.mk-status{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12px;color:var(--mk-text-soft);
  border:1px solid var(--mk-mist);background:#fff;border-radius:var(--mk-r-sm);
  padding:6px 10px;white-space:nowrap;
}
.mk-dot{width:6px;height:6px;border-radius:50%;background:var(--mk-accent);box-shadow:0 0 0 3px var(--mk-accent-soft);flex:0 0 auto}
.mk-nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;background:transparent;border:1px solid var(--mk-mist);
  border-radius:var(--mk-r-sm);color:var(--mk-ink);cursor:pointer;
  transition:border-color .2s var(--mk-ease),background .2s var(--mk-ease);
}
.mk-nav-toggle:hover{border-color:var(--mk-ink);background:#fff}

/* ============ 按钮 ============ */
.mk-btn{
  position:relative;display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;font-size:15px;font-weight:600;
  border-radius:var(--mk-r-btn);border:1px solid transparent;cursor:pointer;
  transition:color .22s var(--mk-ease),background .22s var(--mk-ease),border-color .22s var(--mk-ease),transform .22s var(--mk-ease);
}
.mk-btn-sm{min-height:38px;padding:0 16px;font-size:14px}
.mk-btn-primary{overflow:hidden;background:var(--mk-ink);color:var(--mk-paper);border-color:var(--mk-ink)}
.mk-btn-primary::before{
  content:"";position:absolute;inset:0;background:var(--mk-accent);
  transform:scaleX(0);transform-origin:left;transition:transform .28s var(--mk-ease);
}
.mk-btn-primary:hover::before{transform:scaleX(1)}
.mk-btn-primary>span,.mk-btn-primary>i{position:relative;z-index:1}
.mk-btn-primary:active{transform:translateY(1px)}
.mk-btn-ghost{background:transparent;border-color:var(--mk-ink);color:var(--mk-ink)}
.mk-btn-ghost:hover{background:var(--mk-card);box-shadow:var(--mk-sh)}
.mk-btn-light{overflow:hidden;background:var(--mk-paper);color:var(--mk-ink);border-color:var(--mk-paper)}
.mk-btn-light::before{
  content:"";position:absolute;inset:0;background:var(--mk-accent);
  transform:scaleX(0);transform-origin:left;transition:transform .28s var(--mk-ease);
}
.mk-btn-light:hover::before{transform:scaleX(1)}
.mk-btn-light:hover{color:#fff}
.mk-btn-light>span{position:relative;z-index:1}
.mk-btn-block{width:100%}
.mk-link-arrow{display:inline-flex;align-items:center;gap:7px;font-size:15px;font-weight:600;color:var(--mk-ink);transition:color .22s var(--mk-ease)}
.mk-link-arrow i{font-size:12px;transition:transform .22s var(--mk-ease)}
.mk-link-arrow:hover{color:var(--mk-accent)}
.mk-link-arrow:hover i{transform:translateX(4px)}

/* ============ 徽章 ============ */
.mk-badge{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12px;font-weight:600;letter-spacing:.02em;
  padding:6px 11px;border-radius:var(--mk-r-sm);
  border:1px solid var(--mk-mist);background:#fff;color:var(--mk-text-soft);
  white-space:nowrap;
}
.mk-badge-accent{border-color:rgba(210,87,46,.35);background:var(--mk-accent-soft);color:var(--mk-accent)}

/* ============ 页头 ============ */
.mk-pagehead{padding:44px 0 48px;border-bottom:1px solid var(--mk-mist);background:var(--mk-paper)}
.mk-breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--mk-stone)}
.mk-breadcrumb a{transition:color .2s var(--mk-ease)}
.mk-breadcrumb a:hover{color:var(--mk-accent)}
.mk-breadcrumb .current{color:var(--mk-text-soft)}
.mk-pagehead-top{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-top:12px;flex-wrap:wrap}
.mk-pagehead h1{
  font-size:clamp(30px,4vw,46px);
  letter-spacing:-.025em;line-height:1.18;max-width:820px;
}
.mk-pagehead-desc{margin:18px 0 0;max-width:760px;font-size:17px;line-height:1.85;color:var(--mk-text-soft)}

/* ============ 分栏 ============ */
.mk-split{display:grid;grid-template-columns:7fr 5fr;gap:64px;align-items:start}
.mk-split-text p{font-size:17px;line-height:1.85;color:var(--mk-text-soft);max-width:620px}
.mk-split-text p strong{color:var(--mk-ink);font-weight:600}
.mk-figure{position:relative;margin:0}
.mk-figure img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:var(--mk-r)}
.mk-figure .mk-badge{position:absolute;left:16px;bottom:16px;background:rgba(20,23,26,.86);border-color:transparent;color:var(--mk-paper)}
.mk-figure figcaption{margin-top:12px;font-size:13px;color:var(--mk-stone);line-height:1.6}

/* ============ 规格清单 ============ */
.mk-spec-wrap{margin-top:72px}
.mk-spec-head{display:flex;align-items:baseline;justify-content:space-between;gap:24px;margin-bottom:8px;flex-wrap:wrap}
.mk-spec{display:grid;grid-template-columns:repeat(2,1fr);gap:0 64px;margin-top:24px}
.mk-spec-item{display:grid;grid-template-columns:132px 1fr;gap:20px;padding:20px 0;border-top:1px solid var(--mk-mist)}
.mk-spec-item dt{font-size:14px;color:var(--mk-stone);letter-spacing:.02em}
.mk-spec-item dd{margin:0;font-size:15px;line-height:1.7;color:var(--mk-ink)}

/* ============ 行式卡 ============ */
.mk-band{background:var(--mk-paper-2)}
.mk-rowcards{display:flex;flex-direction:column;gap:20px;margin-top:44px}
.mk-rowcard{
  display:grid;grid-template-columns:280px 1fr;gap:32px;align-items:center;
  padding:24px;background:var(--mk-card);border:1px solid var(--mk-mist);border-radius:var(--mk-r);
  transition:transform .25s var(--mk-ease),border-color .25s var(--mk-ease),box-shadow .25s var(--mk-ease);
}
.mk-rowcard:hover{transform:translateY(-2px);border-color:var(--mk-ink);box-shadow:var(--mk-sh)}
.mk-rowcard-media{overflow:hidden;border-radius:var(--mk-r-sm)}
.mk-rowcard-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .35s var(--mk-ease)}
.mk-rowcard:hover .mk-rowcard-media img{transform:scale(1.03)}
.mk-rowcard-body h3{font-size:20px;margin-bottom:10px}
.mk-rowcard-body p{margin:0 0 16px;font-size:15px;line-height:1.8;color:var(--mk-text-soft);max-width:620px}
.mk-rowcard-meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:14px}
.mk-tag{font-size:12px;color:var(--mk-stone);border:1px solid var(--mk-mist);border-radius:var(--mk-r-sm);padding:4px 9px;background:var(--mk-paper)}

/* ============ 深色数据条 ============ */
.mk-dark{background:var(--mk-indigo);color:#D8D3C9}
.mk-dark h2,.mk-dark h3{color:var(--mk-paper)}
.mk-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.mk-stat{padding:8px 32px;border-left:1px solid var(--mk-line-dark)}
.mk-stat:first-child{border-left:0;padding-left:0}
.mk-stat-num{
  font-family:var(--mk-num),var(--mk-font);
  font-size:clamp(30px,3.4vw,44px);font-weight:700;color:var(--mk-paper);
  letter-spacing:-.03em;line-height:1.1;
}
.mk-stat-num em{font-style:normal;color:var(--mk-accent)}
.mk-stat-label{margin-top:10px;font-size:14px;color:#9E988C;line-height:1.6}
.mk-dark .mk-eyebrow{color:#8F897D}
.mk-dark .mk-lead{color:#B8B2A6}

/* ============ FAQ ============ */
.mk-faq{margin-top:40px;border-bottom:1px solid var(--mk-mist)}
.mk-faq details{border-top:1px solid var(--mk-mist)}
.mk-faq summary{
  display:flex;align-items:center;gap:20px;
  padding:24px 0;font-size:18px;font-weight:600;color:var(--mk-ink);
  cursor:pointer;list-style:none;
}
.mk-faq summary::-webkit-details-marker{display:none}
.mk-faq summary::after{
  content:"+";margin-left:auto;font-size:22px;font-weight:400;color:var(--mk-stone);
  transition:color .2s var(--mk-ease),transform .2s var(--mk-ease);
}
.mk-faq details[open] summary::after{content:"−";color:var(--mk-accent)}
.mk-faq summary:hover{color:var(--mk-accent)}
.mk-faq-idx{font-family:var(--mk-num),var(--mk-font);font-size:13px;color:var(--mk-accent);letter-spacing:.06em;flex:0 0 auto}
.mk-faq-body{max-width:720px;padding:0 0 26px 44px;font-size:16px;line-height:1.85;color:var(--mk-text-soft)}

/* ============ CTA ============ */
.mk-cta{
  display:grid;grid-template-columns:1.1fr 1fr;gap:64px;align-items:start;
  background:var(--mk-ink);border-radius:var(--mk-r);padding:56px;
}
.mk-cta h2{color:var(--mk-paper);font-size:clamp(24px,2.8vw,34px);letter-spacing:-.02em}
.mk-cta p{color:#B5AFA4;font-size:16px;line-height:1.85;margin:16px 0 0;max-width:520px}
.mk-cta-points{margin-top:26px;display:flex;flex-direction:column;gap:10px}
.mk-cta-points li{display:flex;align-items:center;gap:10px;font-size:14px;color:#C9C3B8}
.mk-cta-points i{color:var(--mk-accent);font-size:12px}
.mk-cta-form{background:rgba(244,241,234,.04);border:1px solid var(--mk-line-dark);border-radius:var(--mk-r);padding:32px}
.mk-field{position:relative;margin-bottom:28px}
.mk-field input{
  width:100%;background:transparent;border:0;border-bottom:1px solid rgba(244,241,234,.28);
  padding:20px 0 9px;color:var(--mk-paper);font-size:16px;
  transition:border-color .22s var(--mk-ease);
}
.mk-field input:focus,.mk-field input:focus-visible{outline:none;border-bottom-color:var(--mk-accent)}
.mk-field input::placeholder{color:transparent}
.mk-field label{
  position:absolute;left:0;top:18px;font-size:15px;color:#928C82;pointer-events:none;
  transition:transform .2s var(--mk-ease),font-size .2s var(--mk-ease),color .2s var(--mk-ease);
}
.mk-field input:focus+label,
.mk-field input:not(:placeholder-shown)+label{transform:translateY(-18px);font-size:12px;color:var(--mk-accent)}
.mk-form-note{margin:16px 0 0;font-size:13px;color:#8C867B;line-height:1.7}
.mk-form-note.is-ok{color:#E9B79F;border-left:2px solid var(--mk-accent);padding-left:10px}

/* ============ 页脚 ============ */
.mk-footer{background:var(--mk-indigo);color:#B5AFA4;padding:76px 0 0;margin-top:0}
.mk-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:48px;padding-bottom:56px}
.mk-footer .mk-brand-text{color:var(--mk-paper)}
.mk-footer .mk-brand-mark{background:var(--mk-paper);color:var(--mk-ink)}
.mk-footer h4{font-size:14px;letter-spacing:.1em;color:var(--mk-paper);font-weight:600;margin-bottom:18px}
.mk-footer ul li{margin-bottom:11px;font-size:15px;line-height:1.7}
.mk-footer a{transition:color .2s var(--mk-ease)}
.mk-footer a:hover{color:var(--mk-paper)}
.mk-footer-desc{margin:20px 0 0;font-size:15px;line-height:1.85;color:#9B958A;max-width:360px}
.mk-footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid var(--mk-line-dark);padding:24px 0;font-size:13px;color:#8B857A;
}

/* ============ 抽屉 ============ */
.mk-drawer{background:var(--mk-paper);width:min(340px,88vw)}
.mk-drawer .offcanvas-header{border-bottom:1px solid var(--mk-mist);padding:18px 22px}
.mk-drawer .offcanvas-body{padding:22px}
.mk-drawer-list{display:flex;flex-direction:column;gap:4px;margin-bottom:26px}
.mk-drawer-list a{
  display:block;padding:14px 4px;font-size:16px;font-weight:500;color:var(--mk-text);
  border-bottom:1px solid var(--mk-mist);
}
.mk-drawer-list a.active{color:var(--mk-ink);font-weight:700;border-bottom-color:var(--mk-accent)}
.mk-drawer-close{
  background:transparent;border:1px solid var(--mk-mist);width:40px;height:40px;border-radius:var(--mk-r-sm);
  color:var(--mk-ink);cursor:pointer;transition:border-color .2s var(--mk-ease);
}
.mk-drawer-close:hover{border-color:var(--mk-ink)}

/* ============ 返回顶部 ============ */
.mk-backtop{
  position:fixed;right:24px;bottom:24px;width:46px;height:46px;z-index:1040;
  display:flex;align-items:center;justify-content:center;
  background:var(--mk-ink);color:var(--mk-paper);border:0;border-radius:var(--mk-r-btn);
  cursor:pointer;opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .28s var(--mk-ease),transform .28s var(--mk-ease),visibility .28s var(--mk-ease),background .2s var(--mk-ease);
}
.mk-backtop.is-on{opacity:1;visibility:visible;transform:none}
.mk-backtop:hover{background:var(--mk-accent)}

/* ============ 入场动效 ============ */
.mk-reveal-init{opacity:0;transform:translateY(12px);transition:opacity .55s var(--mk-ease),transform .55s var(--mk-ease)}
.mk-reveal.is-in{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .mk-split{gap:44px}
  .mk-spec{gap:0 40px}
  .mk-cta{padding:44px;gap:44px}
}
@media (max-width:991.98px){
  .mk-nav-list,.mk-status{display:none}
  .mk-nav-toggle{display:inline-flex}
  .mk-nav-inner{min-height:68px}
  .mk-split{grid-template-columns:1fr;gap:36px}
  .mk-spec{grid-template-columns:1fr}
  .mk-stats{grid-template-columns:repeat(2,1fr);gap:32px 0}
  .mk-stat{padding:0 24px}
  .mk-stat:nth-child(3){border-left:0;padding-left:0}
  .mk-cta{grid-template-columns:1fr;padding:36px}
  .mk-footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:767.98px){
  .mk-container{padding:0 20px}
  .mk-section{padding:72px 0}
  .mk-section-tight{padding:52px 0}
  .mk-pagehead{padding:32px 0 36px}
  .mk-pagehead-top{flex-direction:column;align-items:flex-start;gap:20px}
  .mk-rowcard{grid-template-columns:1fr;gap:20px;padding:20px}
  .mk-spec-item{grid-template-columns:1fr;gap:6px;padding:16px 0}
  .mk-faq summary{font-size:16px;gap:14px}
  .mk-faq-body{padding-left:0}
  .mk-cta{padding:28px}
  .mk-cta-form{padding:24px}
  .mk-footer{padding-top:56px}
  .mk-footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:40px}
}
@media (max-width:575.98px){
  body{font-size:16px}
  .mk-stats{grid-template-columns:1fr;gap:0}
  .mk-stat{padding:20px 0;border-left:0;border-top:1px solid var(--mk-line-dark)}
  .mk-stat:first-child{border-top:0;padding-top:0}
  .mk-nav-actions .mk-btn-sm{display:none}
  .mk-backtop{right:16px;bottom:16px}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms!important;animation-duration:.01ms!important}
  .mk-reveal-init{opacity:1!important;transform:none!important}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --mk-ink:#14171A;
  --mk-ink-2:#1E242B;
  --mk-paper:#F4F1EA;
  --mk-paper-2:#FBFAF7;
  --mk-accent:#D2572E;
  --mk-stone:#8B867A;
  --mk-line:#E3DFD7;
  --mk-line-dark:rgba(244,241,234,.16);
  --mk-font:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mk-font-num:"Space Grotesk","Archivo","PingFang SC",system-ui,sans-serif;
  --mk-r-card:8px;
  --mk-r-btn:2px;
  --mk-r-tag:4px;
  --mk-space:clamp(56px,7.5vw,112px);
  --mk-ease:cubic-bezier(.2,.7,.2,1);
}
*,*::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-paper);
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s var(--mk-ease)}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 18px}
h1,h2,h3,h4{margin:0 0 16px;line-height:1.25;font-weight:700;letter-spacing:-.02em}
h1{font-size:clamp(30px,4.4vw,52px);letter-spacing:-.03em}
h2{font-size:clamp(26px,3.4vw,38px)}
h3{font-size:20px}
button{font-family:inherit}
::selection{background:var(--mk-accent);color:#fff}

.mk-container{width:100%;max-width:1240px;margin:0 auto;padding:0 40px}
.mk-section{padding:var(--mk-space) 0}
.mk-section-paper{background:var(--mk-paper-2)}
.mk-section-dark{background:var(--mk-ink);color:var(--mk-paper)}
.mk-section-deep{background:var(--mk-ink-2);color:var(--mk-paper)}

.mk-eyebrow{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.2em;
  text-transform:uppercase;color:var(--mk-accent);margin-bottom:14px;
}
.mk-lead{font-size:17px;color:var(--mk-stone);max-width:660px}
.mk-section-dark .mk-lead,.mk-section-deep .mk-lead{color:rgba(244,241,234,.72)}
.mk-rule{height:1px;background:var(--mk-line);border:0;margin:0}
.mk-section-dark .mk-rule,.mk-section-deep .mk-rule{background:var(--mk-line-dark)}

/* 按钮 */
.mk-btn{
  position:relative;overflow:hidden;isolation:isolate;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 26px;border-radius:var(--mk-r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:color .24s var(--mk-ease),border-color .24s var(--mk-ease),background-color .24s var(--mk-ease);
}
.mk-btn-primary{background:var(--mk-ink);color:var(--mk-paper);border-color:var(--mk-ink)}
.mk-btn-primary::before{
  content:"";position:absolute;inset:0;background:var(--mk-accent);
  transform:translateX(-101%);transition:transform .32s var(--mk-ease);z-index:-1;
}
.mk-btn-primary:hover::before{transform:translateX(0)}
.mk-btn-primary:hover{color:#fff;border-color:var(--mk-accent)}
.mk-btn-light{background:var(--mk-paper);color:var(--mk-ink);border-color:var(--mk-paper)}
.mk-btn-light::before{
  content:"";position:absolute;inset:0;background:var(--mk-accent);
  transform:translateX(-101%);transition:transform .32s var(--mk-ease);z-index:-1;
}
.mk-btn-light:hover::before{transform:translateX(0)}
.mk-btn-light:hover{color:#fff;border-color:var(--mk-accent)}
.mk-btn-ghost{background:transparent;color:var(--mk-ink);border-color:var(--mk-line)}
.mk-btn-ghost:hover{border-color:var(--mk-ink);background:var(--mk-paper-2)}
.mk-btn-ghost-light{background:transparent;color:var(--mk-paper);border-color:rgba(244,241,234,.36)}
.mk-btn-ghost-light:hover{border-color:var(--mk-paper);background:rgba(244,241,234,.08)}
.mk-btn-sm{min-height:40px;padding:0 18px;font-size:14px}
.mk-btn:focus-visible,.mk-link:focus-visible,.mk-faq-q:focus-visible,
.mk-nav-list a:focus-visible,.mk-footer a:focus-visible,.mk-scroll-item:focus-visible{
  outline:2px solid var(--mk-accent);outline-offset:3px;
}
.mk-link{
  display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;
  border-bottom:1px solid transparent;padding-bottom:2px;
}
.mk-link i{transition:transform .24s var(--mk-ease)}
.mk-link:hover{color:var(--mk-accent);border-bottom-color:var(--mk-accent)}
.mk-link:hover i{transform:translateX(4px)}
.mk-section-dark .mk-link,.mk-section-deep .mk-link{color:var(--mk-paper)}
.mk-section-dark .mk-link:hover,.mk-section-deep .mk-link:hover{color:var(--mk-accent)}

/* 顶部活动条 */
.mk-topbar{
  background:var(--mk-ink);color:rgba(244,241,234,.86);
  font-size:13px;letter-spacing:.02em;
}
.mk-topbar-inner{
  display:flex;align-items:center;gap:14px;min-height:38px;flex-wrap:wrap;
}
.mk-topbar strong{color:#fff;font-weight:600}
.mk-topbar-time{
  font-family:var(--mk-font-num);font-variant-numeric:tabular-nums;
  color:var(--mk-accent);font-weight:700;letter-spacing:.02em;
}
.mk-topbar-close{
  margin-left:auto;background:none;border:0;color:rgba(244,241,234,.6);
  cursor:pointer;padding:6px 4px;min-height:32px;
}
.mk-topbar-close:hover{color:#fff}

/* 导航 */
.mk-header{
  position:sticky;top:0;z-index:1030;
  background:transparent;border-bottom:1px solid transparent;
  transition:background-color .24s var(--mk-ease),border-color .24s var(--mk-ease);
}
.mk-header.is-scrolled{background:rgba(244,241,234,.97);border-bottom-color:var(--mk-line)}
.mk-nav-inner{display:flex;align-items:center;gap:36px;min-height:74px}
.mk-brand{display:inline-flex;align-items:baseline;gap:9px}
.mk-brand-mark{
  font-family:var(--mk-font-num);font-size:27px;font-weight:700;
  letter-spacing:-.04em;line-height:1;color:var(--mk-ink);
}
.mk-brand-text{font-size:13px;letter-spacing:.22em;color:var(--mk-stone)}
.mk-nav-list{display:flex;align-items:center;gap:30px}
.mk-nav-list a{
  position:relative;display:inline-block;padding:9px 0;font-size:15px;font-weight:500;
}
.mk-nav-list a::after{
  content:"";position:absolute;left:0;bottom:2px;width:0;height:1px;
  background:var(--mk-accent);transition:width .22s var(--mk-ease);
}
.mk-nav-list a:hover::after{width:100%}
.mk-nav-list a.active{font-weight:700}
.mk-nav-list a.active::after{width:100%;height:2px}
.mk-nav-actions{margin-left:auto;display:flex;align-items:center;gap:16px}
.mk-status{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12px;color:var(--mk-stone);background:rgba(255,255,255,.6);
  border:1px solid var(--mk-line);border-radius:var(--mk-r-tag);padding:5px 10px;
}
.mk-dot{width:6px;height:6px;border-radius:50%;background:var(--mk-accent);flex:0 0 6px}
.mk-nav-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--mk-line);border-radius:var(--mk-r-tag);
  color:var(--mk-ink);font-size:17px;cursor:pointer;
}
.mk-nav-toggle:hover{border-color:var(--mk-ink)}
.mk-drawer{background:var(--mk-paper);color:var(--mk-ink);width:min(360px,88vw);border-left:0}
.mk-drawer .offcanvas-header{border-bottom:1px solid var(--mk-line);padding:20px 24px}
.mk-drawer .offcanvas-body{padding:8px 24px 28px}
.mk-drawer-list li a{
  display:block;padding:15px 0;border-bottom:1px solid var(--mk-line);
  font-size:16px;min-height:44px;
}
.mk-drawer-list li a.active{color:var(--mk-accent);font-weight:700}
.mk-drawer-cta{margin-top:26px;display:grid;gap:12px}

/* 面包屑 */
.mk-crumb{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:13px;color:var(--mk-stone);margin-bottom:12px;
}
.mk-crumb a{border-bottom:1px solid transparent}
.mk-crumb a:hover{color:var(--mk-accent);border-bottom-color:var(--mk-accent)}
.mk-crumb span[aria-current]{color:var(--mk-ink);font-weight:600}
.mk-hero .mk-crumb{color:rgba(244,241,234,.68)}
.mk-hero .mk-crumb span[aria-current]{color:#fff}

/* 分类页全宽头图 */
.mk-hero{
  position:relative;color:var(--mk-paper);overflow:hidden;
  background-image:
    linear-gradient(100deg,rgba(20,23,26,.94) 0%,rgba(20,23,26,.82) 52%,rgba(30,36,43,.7) 100%),
    url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  padding:clamp(48px,6vw,84px) 0 clamp(52px,6vw,76px);
  min-height:clamp(420px,52vh,560px);
  display:flex;align-items:center;
}
.mk-hero-inner{max-width:800px}
.mk-hero h1{color:#fff;margin-bottom:20px}
.mk-hero-sub{
  font-size:clamp(16px,1.5vw,19px);color:rgba(244,241,234,.84);
  max-width:620px;margin-bottom:32px;
}
.mk-hero-actions{display:flex;flex-wrap:wrap;gap:16px;align-items:center;margin-bottom:38px}
.mk-hero-facts{
  display:flex;flex-wrap:wrap;gap:0;border-top:1px solid var(--mk-line-dark);
  padding-top:20px;max-width:760px;
}
.mk-hero-facts div{
  position:relative;padding:0 26px;font-size:14px;color:rgba(244,241,234,.74);
}
.mk-hero-facts div:first-child{padding-left:0}
.mk-hero-facts div+div::before{
  content:"";position:absolute;left:0;top:2px;bottom:2px;width:1px;
  background:var(--mk-line-dark);
}
.mk-hero-facts strong{
  display:block;color:#fff;font-family:var(--mk-font-num);
  font-size:18px;font-weight:700;letter-spacing:-.01em;
}
.mk-badge{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.06em;
  border:1px solid var(--mk-accent);color:var(--mk-accent);
  background:rgba(210,87,46,.08);border-radius:var(--mk-r-tag);padding:6px 11px;
  margin-bottom:22px;
}

/* 双栏理念 */
.mk-split{display:grid;grid-template-columns:1fr 1.05fr;gap:clamp(32px,5vw,72px);align-items:start}
.mk-split-note{
  margin-top:28px;padding-top:22px;border-top:1px solid var(--mk-line);
  display:flex;flex-wrap:wrap;gap:12px 28px;font-size:14px;color:var(--mk-stone);
}
.mk-split-note span{display:inline-flex;align-items:center;gap:8px}
.mk-split-note i{color:var(--mk-accent)}

/* 时间轴 */
.mk-steps{
  display:grid;grid-template-columns:repeat(5,1fr);gap:0;
  margin-top:clamp(36px,4vw,60px);
}
.mk-step{position:relative;padding:64px 28px 0 0}
.mk-step::after{
  content:"";position:absolute;left:46px;right:0;top:19px;height:1px;
  background:var(--mk-line-dark);
}
.mk-step:last-child::after{display:none}
.mk-step-num{
  position:absolute;left:0;top:0;width:38px;height:38px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--mk-font-num);font-size:14px;font-weight:700;
  color:var(--mk-accent);background:var(--mk-ink);
  border:1px solid rgba(210,87,46,.5);
}
.mk-step h3{font-size:17px;margin-bottom:10px;color:#fff}
.mk-step p{font-size:14px;color:rgba(244,241,234,.68);margin:0;line-height:1.7}
.mk-step-meta{
  display:block;margin-top:14px;font-family:var(--mk-font-num);
  font-size:12px;letter-spacing:.08em;color:var(--mk-stone);
}

/* 双列不等高卡片 */
.mk-masonry{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:start}
.mk-masonry-col{display:grid;gap:32px}
.mk-masonry-col.offset{padding-top:56px}
.mk-card{
  background:#fff;border:1px solid var(--mk-line);border-radius:var(--mk-r-card);
  overflow:hidden;transition:transform .24s var(--mk-ease),border-color .24s var(--mk-ease),box-shadow .24s var(--mk-ease);
}
.mk-card:hover{transform:translateY(-2px);border-color:var(--mk-ink);box-shadow:0 8px 24px rgba(20,23,26,.06)}
.mk-card-media{aspect-ratio:16/10;overflow:hidden;background:var(--mk-line)}
.mk-card-media.tall{aspect-ratio:4/3}
.mk-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--mk-ease)}
.mk-card:hover .mk-card-media img{transform:scale(1.03)}
.mk-card-body{padding:26px 26px 28px}
.mk-tag{
  display:inline-block;font-size:12px;letter-spacing:.04em;color:var(--mk-stone);
  border:1px solid var(--mk-line);border-radius:var(--mk-r-tag);padding:4px 9px;
}
.mk-card h3{margin:14px 0 12px;font-size:20px;letter-spacing:-.02em}
.mk-card p{font-size:15px;color:var(--mk-stone);margin-bottom:18px}
.mk-spec{display:grid}
.mk-spec li{
  display:flex;justify-content:space-between;gap:16px;
  padding:11px 0;border-top:1px solid var(--mk-line);
  font-size:14px;color:var(--mk-stone);
}
.mk-spec li b{color:var(--mk-ink);font-weight:600;text-align:right}

/* 横向滚动画廊 */
.mk-scroll{
  display:flex;gap:24px;overflow-x:auto;margin-top:clamp(30px,3.5vw,48px);
  padding-bottom:12px;scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;
}
.mk-scroll::-webkit-scrollbar{height:6px}
.mk-scroll::-webkit-scrollbar-track{background:var(--mk-line)}
.mk-scroll::-webkit-scrollbar-thumb{background:var(--mk-stone);border-radius:0}
.mk-scroll-item{
  flex:0 0 320px;scroll-snap-align:start;
  background:#fff;border:1px solid var(--mk-line);border-radius:var(--mk-r-card);
  overflow:hidden;transition:transform .24s var(--mk-ease),border-color .24s var(--mk-ease),box-shadow .24s var(--mk-ease);
}
.mk-scroll-item:hover{transform:translateY(-2px);border-color:var(--mk-ink);box-shadow:0 8px 24px rgba(20,23,26,.06)}
.mk-scroll-item .mk-card-media{aspect-ratio:3/2}
.mk-scroll-item:hover .mk-card-media img{transform:scale(1.03)}
.mk-scroll-item .mk-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--mk-ease)}
.mk-scroll-item .mk-card-body{padding:22px}
.mk-scroll-item h3{font-size:18px;margin:12px 0 8px}
.mk-scroll-item p{font-size:14px;color:var(--mk-stone);margin:0;line-height:1.7}

/* 数据背书 */
.mk-stats{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--mk-line);margin-top:clamp(28px,3vw,42px);
}
.mk-stat{padding:30px 26px 30px 0;border-right:1px solid var(--mk-line)}
.mk-stat:last-child{border-right:0}
.mk-stat-num{
  font-family:var(--mk-font-num);font-size:clamp(30px,3.6vw,44px);
  font-weight:700;letter-spacing:-.03em;line-height:1.1;color:var(--mk-ink);
}
.mk-stat-num small{font-size:.5em;font-weight:600;margin-left:2px;color:var(--mk-accent)}
.mk-stat-note{font-size:14px;color:var(--mk-stone);margin-top:8px}
.mk-quote{
  margin-top:clamp(32px,4vw,52px);padding-top:32px;border-top:1px solid var(--mk-line);
  display:grid;grid-template-columns:auto 1fr;gap:24px;align-items:start;
}
.mk-quote-mark{
  font-family:var(--mk-font-num);font-size:60px;line-height:.8;color:var(--mk-accent);font-weight:700;
}
.mk-quote p{font-size:19px;line-height:1.75;color:var(--mk-ink);margin-bottom:12px;max-width:820px}
.mk-quote cite{font-size:14px;font-style:normal;color:var(--mk-stone)}

/* FAQ */
.mk-faq{border-top:1px solid var(--mk-line);margin-top:clamp(30px,3.5vw,48px)}
.mk-faq-item{border-bottom:1px solid var(--mk-line)}
.mk-faq-q{
  width:100%;display:flex;align-items:center;gap:18px;
  padding:26px 0;background:none;border:0;cursor:pointer;
  font-size:18px;font-weight:600;color:inherit;text-align:left;
  transition:color .2s var(--mk-ease);
}
.mk-faq-q:hover{color:var(--mk-accent)}
.mk-faq-idx{
  font-family:var(--mk-font-num);font-size:14px;color:var(--mk-accent);
  flex:0 0 24px;
}
.mk-faq-icon{margin-left:auto;position:relative;width:16px;height:16px;flex:0 0 16px}
.mk-faq-icon::before,.mk-faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:currentColor;
  transform:translate(-50%,-50%);
}
.mk-faq-icon::before{width:14px;height:1px}
.mk-faq-icon::after{width:1px;height:14px;transition:transform .28s var(--mk-ease),opacity .28s var(--mk-ease)}
.mk-faq-q[aria-expanded="true"] .mk-faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.mk-faq-q[aria-expanded="true"]{color:var(--mk-accent)}
.mk-faq-a{padding:0 0 28px 42px;max-width:720px;color:var(--mk-stone);font-size:16px}

/* CTA + 表单 */
.mk-cta{
  position:relative;overflow:hidden;color:var(--mk-paper);
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  padding:clamp(56px,7vw,104px) 0;
}
.mk-cta::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(96deg,rgba(20,23,26,.96) 0%,rgba(20,23,26,.88) 58%,rgba(30,36,43,.8) 100%);
}
.mk-cta-inner{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,64px);align-items:center}
.mk-cta h2{color:#fff}
.mk-cta p{color:rgba(244,241,234,.78);max-width:520px}
.mk-form{display:grid;gap:6px}
.mk-field{position:relative;margin-bottom:14px}
.mk-field label{
  position:absolute;left:0;top:16px;font-size:15px;color:rgba(244,241,234,.55);
  pointer-events:none;transition:transform .22s var(--mk-ease),font-size .22s var(--mk-ease),color .22s var(--mk-ease);
}
.mk-field input{
  width:100%;background:transparent;border:0;border-bottom:1px solid rgba(244,241,234,.3);
  padding:18px 0 10px;color:#fff;font-size:16px;font-family:inherit;outline:none;
  transition:border-color .22s var(--mk-ease);min-height:44px;
}
.mk-field input:focus{border-bottom-color:var(--mk-accent)}
.mk-field input:focus+label,
.mk-field input:not(:placeholder-shown)+label{
  transform:translateY(-16px);font-size:12px;color:var(--mk-accent);
}
.mk-form-note{font-size:13px;color:rgba(244,241,234,.55);margin:10px 0 18px}
.mk-form-ok{
  display:none;border:1px solid var(--mk-accent);border-radius:var(--mk-r-tag);
  color:var(--mk-accent);background:rgba(210,87,46,.1);
  font-size:14px;padding:10px 14px;margin-top:14px;
}
.mk-form-ok.show{display:block}

/* 页脚 */
.mk-footer{background:var(--mk-ink);color:rgba(244,241,234,.76);padding:76px 0 0}
.mk-footer-grid{
  display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:48px;border-bottom:1px solid rgba(244,241,234,.14);
}
.mk-footer .mk-brand-mark{color:#fff}
.mk-footer .mk-brand-text{color:rgba(244,241,234,.5)}
.mk-footer-desc{font-size:14px;line-height:1.85;color:rgba(244,241,234,.62);margin:18px 0 0;max-width:340px}
.mk-footer h4{font-size:14px;color:#fff;letter-spacing:.08em;margin-bottom:18px}
.mk-footer ul{display:grid;gap:11px;font-size:14px}
.mk-footer a{position:relative;display:inline-block}
.mk-footer a::after{
  content:"";position:absolute;left:0;bottom:-2px;width:0;height:1px;
  background:var(--mk-accent);transition:width .22s var(--mk-ease);
}
.mk-footer a:hover{color:#fff}
.mk-footer a:hover::after{width:100%}
.mk-footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0;font-size:13px;color:rgba(244,241,234,.55);
}

/* 返回顶部 */
.mk-totop{
  position:fixed;right:24px;bottom:24px;width:46px;height:46px;
  display:flex;align-items:center;justify-content:center;
  background:var(--mk-ink);color:var(--mk-paper);border:0;border-radius:var(--mk-r-btn);
  cursor:pointer;opacity:0;pointer-events:none;
  transition:opacity .28s var(--mk-ease),background-color .24s var(--mk-ease);
  z-index:1040;
}
.mk-totop.is-visible{opacity:1;pointer-events:auto}
.mk-totop:hover{background:var(--mk-accent)}

/* 滚动进入 */
.mk-reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--mk-ease),transform .6s var(--mk-ease)}
.mk-reveal.is-in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.001ms!important;animation-duration:.001ms!important}
  .mk-reveal{opacity:1;transform:none}
}

/* 响应式 */
@media (max-width:1199px){
  .mk-container{padding:0 32px}
  .mk-nav-inner{gap:24px}
  .mk-nav-list{gap:22px}
}
@media (max-width:991px){
  .mk-container{padding:0 24px}
  .mk-nav-list,.mk-status{display:none}
  .mk-nav-toggle{display:inline-flex}
  .mk-split{grid-template-columns:1fr;gap:28px}
  .mk-masonry{grid-template-columns:1fr;gap:24px}
  .mk-masonry-col.offset{padding-top:0}
  .mk-steps{grid-template-columns:1fr;gap:0}
  .mk-step{padding:0 0 30px 58px}
  .mk-step::after{left:19px;right:auto;top:46px;bottom:0;width:1px;height:auto}
  .mk-step:last-child{padding-bottom:0}
  .mk-stat{border-right:0;border-bottom:1px solid var(--mk-line);padding:24px 0}
  .mk-stats{grid-template-columns:1fr 1fr}
  .mk-stat:nth-child(2n){border-right:0}
  .mk-cta-inner{grid-template-columns:1fr}
  .mk-footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  body{font-size:16px}
  .mk-hero{min-height:auto;padding:40px 0 48px}
  .mk-hero-actions{margin-bottom:28px}
  .mk-hero-facts{flex-direction:column;gap:12px}
  .mk-hero-facts div{padding:0}
  .mk-hero-facts div+div::before{display:none}
  .mk-stats{grid-template-columns:1fr}
  .mk-quote{grid-template-columns:1fr;gap:8px}
  .mk-quote-mark{font-size:44px}
  .mk-scroll-item{flex:0 0 260px}
  .mk-faq-a{padding-left:0}
  .mk-faq-q{font-size:16px;gap:12px}
  .mk-footer-grid{grid-template-columns:1fr;gap:30px}
  .mk-footer-bottom{flex-direction:column;align-items:flex-start}
  .mk-totop{right:16px;bottom:16px}
}
@media (max-width:520px){
  .mk-container{padding:0 20px}
  .mk-brand-mark{font-size:24px}
  .mk-btn{width:100%;padding:0 18px}
  .mk-hero-actions{gap:12px}
  .mk-link{font-size:14px}
}