/* roulang page: index */
:root{
  --mk-ink:#14171A;
  --mk-ink-soft:#2A3035;
  --mk-accent:#C9F24D;
  --mk-deep:#0F3B33;
  --mk-bg:#F6F5F1;
  --mk-surface:#FFFFFF;
  --mk-line:#E5E2DA;
  --mk-text:#1B1F23;
  --mk-text-2:#6E767C;
  --mk-text-3:#9AA1A7;
  --mk-warn:#E4622E;
  --mk-sand:#EFEDE7;
  --mk-quote:#F1EFE9;
  --mk-r-card:16px;
  --mk-r-img:12px;
  --mk-r-input:12px;
  --mk-r-pill:999px;
  --mk-ease:cubic-bezier(.2,.7,.3,1);
  --mk-shadow-hover:0 12px 32px rgba(20,23,26,.10);
  --mk-font-cn:'Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,-apple-system,sans-serif;
  --mk-font-num:'Inter','Helvetica Neue',Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--mk-bg);
  color:var(--mk-text);
  font-family:var(--mk-font-cn);
  font-size:16.5px;
  line-height:1.88;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--mk-ink);text-decoration:none;background:none}
a:hover,a:focus{color:var(--mk-ink)}
p{margin:0 0 1.2em}
h1,h2,h3,h4,h5{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.3;color:var(--mk-ink)}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;margin:0}
button{background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--mk-accent);outline-offset:2px}
::selection{background:var(--mk-accent);color:var(--mk-ink)}
.mk-container{max-width:1200px;margin:0 auto;padding:0 32px;width:100%}
.mk-container-wide{max-width:1320px;margin:0 auto;padding:0 32px;width:100%}
.mk-section{padding:clamp(64px,8vw,112px) 0}
.mk-section--tight{padding:clamp(48px,6vw,80px) 0}
.mk-section--dark{background:var(--mk-ink);color:#fff}
.mk-section--deep{background:var(--mk-deep);color:#fff}
.mk-section--dark h1,.mk-section--dark h2,.mk-section--dark h3,
.mk-section--deep h1,.mk-section--deep h2,.mk-section--deep h3{color:#fff}
.mk-num{font-family:var(--mk-font-num);font-variant-numeric:tabular-nums}

/* ---------- buttons ---------- */
.mk-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  border-radius:var(--mk-r-pill);padding:14px 28px;
  font-weight:700;font-size:14.5px;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:background-color .22s var(--mk-ease),color .22s var(--mk-ease),border-color .22s var(--mk-ease),transform .22s var(--mk-ease);
  white-space:nowrap;
}
.mk-btn .mk-arrow{transition:transform .22s var(--mk-ease);font-size:15px;line-height:1}
.mk-btn:hover .mk-arrow{transform:translateX(4px)}
.mk-btn-primary{background:var(--mk-ink);color:#fff}
.mk-btn-primary:hover,.mk-btn-primary:focus-visible{background:var(--mk-accent);color:var(--mk-ink)}
.mk-btn-on-dark{background:var(--mk-accent);color:var(--mk-ink)}
.mk-btn-on-dark:hover,.mk-btn-on-dark:focus-visible{background:#fff;color:var(--mk-ink)}
.mk-btn-ghost{background:transparent;color:var(--mk-ink);border-color:var(--mk-ink)}
.mk-btn-ghost:hover,.mk-btn-ghost:focus-visible{border-color:var(--mk-accent);background:rgba(201,242,77,.16)}
.mk-btn-text{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:14.5px;color:var(--mk-ink);padding:6px 0}
.mk-btn-text .mk-arrow{transition:transform .22s var(--mk-ease)}
.mk-btn-text:hover .mk-arrow{transform:translateX(4px)}
.mk-btn-sm{padding:11px 20px;font-size:13.5px}

/* ---------- badges / labels ---------- */
.mk-badge{display:inline-flex;align-items:center;border-radius:var(--mk-r-pill);background:var(--mk-sand);color:var(--mk-ink);font-size:12px;font-weight:600;padding:5px 12px;letter-spacing:.02em}
.mk-badge--dark{background:rgba(255,255,255,.1);color:#fff}
.mk-label{display:inline-block;font-family:var(--mk-font-num);font-size:12px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--mk-text-2)}
.mk-label--accent{color:var(--mk-accent)}
.mk-eyebrow{display:flex;align-items:center;gap:14px;margin-bottom:20px}
.mk-eyebrow .mk-idx{font-family:var(--mk-font-num);font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--mk-ink)}
.mk-section--dark .mk-eyebrow .mk-idx,.mk-section--deep .mk-eyebrow .mk-idx{color:var(--mk-accent)}
.mk-eyebrow .mk-line{flex:1;height:1px;background:var(--mk-line);max-width:80px}
.mk-section--dark .mk-eyebrow .mk-line,.mk-section--deep .mk-eyebrow .mk-line{background:rgba(255,255,255,.18)}

/* ---------- header ---------- */
.mk-header{
  position:sticky;top:0;z-index:120;
  background:rgba(246,245,241,.94);
  backdrop-filter:saturate(160%) blur(10px);
  -webkit-backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .24s var(--mk-ease),background-color .24s var(--mk-ease);
}
.mk-header.is-scrolled{border-bottom-color:var(--mk-line);background:rgba(246,245,241,.98)}
.mk-header-inner{display:flex;align-items:center;gap:20px;height:88px}
.mk-logo{display:flex;flex-direction:column;line-height:1.15;flex:0 0 auto}
.mk-logo-top{font-family:var(--mk-font-num);font-size:13px;font-weight:800;letter-spacing:.2em;color:var(--mk-ink)}
.mk-logo-bottom{font-size:16px;font-weight:800;letter-spacing:.01em;color:var(--mk-ink)}
.mk-search{position:relative;flex:1 1 auto;max-width:420px;margin:0 auto}
.mk-search input{
  width:100%;height:46px;border-radius:var(--mk-r-pill);
  border:1px solid var(--mk-line);background:#fff;
  padding:0 20px 0 44px;font-size:14px;color:var(--mk-text);
  outline:none;transition:border-color .2s var(--mk-ease),box-shadow .2s var(--mk-ease);
}
.mk-search input::placeholder{color:var(--mk-text-3)}
.mk-search input:focus{border-color:var(--mk-accent);box-shadow:0 0 0 3px rgba(201,242,77,.35)}
.mk-search .mk-search-icon{position:absolute;left:16px;top:50%;transform:translateY(-50%);width:18px;height:18px;stroke:var(--mk-text-3);fill:none;stroke-width:1.8;stroke-linecap:round}
.mk-nav-desktop{display:flex;align-items:center;gap:18px;flex:0 0 auto}
.mk-nav-desktop a{position:relative;font-size:13.5px;font-weight:600;color:var(--mk-text-2);padding:8px 2px;transition:color .2s var(--mk-ease)}
.mk-nav-desktop a::after{content:"";position:absolute;left:0;bottom:2px;width:0;height:2px;background:var(--mk-accent);transition:width .24s var(--mk-ease)}
.mk-nav-desktop a:hover{color:var(--mk-ink)}
.mk-nav-desktop a:hover::after{width:100%}
.mk-nav-desktop a.is-active{color:var(--mk-ink);font-weight:700}
.mk-nav-desktop a.is-active::before{content:"";position:absolute;left:0;right:0;top:-7px;height:2px;background:var(--mk-ink)}
.mk-nav-desktop a.is-active::after{width:0}
.mk-header-cta{flex:0 0 auto}
.mk-burger{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;border-radius:12px;border:1px solid var(--mk-line);background:#fff;align-items:center}
.mk-burger span{display:block;width:18px;height:2px;background:var(--mk-ink);border-radius:2px;transition:transform .22s var(--mk-ease)}
.mk-burger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.mk-burger.is-open span:nth-child(2){opacity:0}
.mk-burger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* mobile drawer */
.mk-drawer-mask{position:fixed;inset:0;background:rgba(20,23,26,.5);opacity:0;visibility:hidden;transition:opacity .24s var(--mk-ease),visibility .24s;z-index:130}
.mk-drawer-mask.is-open{opacity:1;visibility:visible}
.mk-drawer{
  position:fixed;top:0;right:0;bottom:0;width:88%;max-width:380px;background:var(--mk-bg);
  z-index:140;transform:translateX(100%);transition:transform .28s var(--mk-ease);
  padding:22px;overflow-y:auto;
}
.mk-drawer.is-open{transform:translateX(0)}
.mk-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.mk-drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--mk-line);background:#fff;font-size:20px;line-height:1;display:flex;align-items:center;justify-content:center;color:var(--mk-ink)}
.mk-drawer .mk-search{max-width:none;margin:0 0 20px}
.mk-drawer-nav{display:flex;flex-direction:column}
.mk-drawer-nav a{padding:15px 4px;border-bottom:1px solid var(--mk-line);font-size:15.5px;font-weight:600;color:var(--mk-ink);display:flex;justify-content:space-between;align-items:center}
.mk-drawer-nav a.is-active{color:var(--mk-ink);font-weight:800}
.mk-drawer-nav a.is-active::after{content:"当前";font-size:11px;font-weight:700;letter-spacing:.1em;color:var(--mk-text-3)}
.mk-drawer .mk-btn{width:100%;margin-top:22px}

/* ---------- hero ---------- */
.mk-hero{position:relative;overflow:hidden;background:var(--mk-bg);min-height:clamp(520px,72vh,720px);display:flex;align-items:center;padding:clamp(48px,5vw,72px) 0}
.mk-hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;width:100%}
.mk-hero h1{font-size:clamp(32px,4.4vw,56px);font-weight:800;letter-spacing:-.02em;line-height:1.16;margin:0 0 22px}
.mk-hero h1 em{font-style:normal;position:relative;white-space:nowrap}
.mk-hero h1 em::after{content:"";position:absolute;left:0;right:0;bottom:4px;height:8px;background:rgba(201,242,77,.75);z-index:-1;border-radius:2px}
.mk-hero-sub{font-size:17px;color:var(--mk-text-2);max-width:520px;margin:0 0 32px;line-height:1.8}
.mk-hero-actions{display:flex;align-items:center;gap:22px;flex-wrap:wrap;margin-bottom:34px}
.mk-hero-points{display:flex;flex-wrap:wrap;gap:12px 26px}
.mk-hero-points li{position:relative;font-size:14px;color:var(--mk-text-2);padding-left:16px}
.mk-hero-points li::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:6px;height:6px;border-radius:2px;background:var(--mk-accent)}
.mk-hero-figure{position:relative}
.mk-hero-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--mk-r-card)}
.mk-hero-float{
  position:absolute;left:-24px;bottom:26px;background:var(--mk-ink);color:#fff;
  border-radius:14px;padding:16px 20px;display:flex;flex-direction:column;gap:2px;
  box-shadow:0 12px 32px rgba(20,23,26,.22);
}
.mk-hero-float .mk-float-num{font-family:var(--mk-font-num);font-variant-numeric:tabular-nums;font-size:28px;font-weight:800;color:var(--mk-accent);line-height:1.1}
.mk-hero-float .mk-float-txt{font-size:12.5px;color:rgba(255,255,255,.78);letter-spacing:.02em}

/* ---------- trust strip ---------- */
.mk-trust{border-top:1px solid var(--mk-line);border-bottom:1px solid var(--mk-line);background:var(--mk-bg)}
.mk-trust-list{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px 0;min-height:80px}
.mk-trust-list li{position:relative;font-size:13.5px;color:var(--mk-text-2);padding:0 22px;flex:1 1 auto;text-align:center;white-space:nowrap}
.mk-trust-list li + li{border-left:1px solid var(--mk-line)}

/* ---------- metrics ---------- */
.mk-metrics-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.mk-metric{padding:8px 32px;position:relative}
.mk-metric + .mk-metric{border-left:1px solid rgba(255,255,255,.12)}
.mk-metric .mk-metric-idx{font-family:var(--mk-font-num);font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--mk-accent);display:block;margin-bottom:16px}
.mk-metric .mk-metric-num{font-family:var(--mk-font-num);font-variant-numeric:tabular-nums;font-size:clamp(40px,5vw,68px);font-weight:800;line-height:1;color:#fff;display:flex;align-items:baseline;gap:6px}
.mk-metric .mk-metric-unit{font-size:.32em;font-weight:700;color:rgba(255,255,255,.6);letter-spacing:.04em}
.mk-metric .mk-metric-desc{margin-top:12px;font-size:13.5px;color:rgba(255,255,255,.66)}

/* ---------- section head ---------- */
.mk-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:52px;flex-wrap:wrap}
.mk-section-head h2{font-size:clamp(26px,3vw,38px);font-weight:700;letter-spacing:-.02em;max-width:640px}
.mk-section-head p{margin:14px 0 0;color:var(--mk-text-2);font-size:15.5px;max-width:560px}
.mk-section--dark .mk-section-head p,.mk-section--deep .mk-section-head p{color:rgba(255,255,255,.7)}

/* ---------- category entry cards ---------- */
.mk-cat-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.mk-cat-card{
  background:var(--mk-surface);border:1px solid var(--mk-line);border-radius:var(--mk-r-card);
  padding:20px;display:flex;flex-direction:column;gap:14px;
  transition:transform .22s var(--mk-ease),border-color .22s var(--mk-ease),box-shadow .22s var(--mk-ease);
}
.mk-cat-card:hover,.mk-cat-card:focus-visible{transform:translateY(-4px);border-color:var(--mk-accent);box-shadow:var(--mk-shadow-hover)}
.mk-cat-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--mk-r-img)}
.mk-cat-card .mk-cat-idx{font-family:var(--mk-font-num);font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--mk-text-3)}
.mk-cat-card h3{font-size:18px;font-weight:700}
.mk-cat-card p{margin:0;font-size:14px;color:var(--mk-text-2);line-height:1.7}
.mk-cat-card .mk-btn-text{margin-top:auto;font-size:13.5px}

/* ---------- matrix ---------- */
.mk-matrix{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.mk-matrix-list{border-top:1px solid var(--mk-line)}
.mk-matrix-item{
  display:flex;align-items:center;gap:18px;width:100%;text-align:left;
  padding:0 12px;height:62px;border-bottom:1px solid var(--mk-line);
  position:relative;transition:background-color .2s var(--mk-ease),color .2s var(--mk-ease);
}
.mk-matrix-item::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:3px;height:0;background:var(--mk-accent);transition:height .22s var(--mk-ease)}
.mk-matrix-item .mk-mi-idx{font-family:var(--mk-font-num);font-size:12.5px;font-weight:700;letter-spacing:.1em;color:var(--mk-text-3);min-width:26px}
.mk-matrix-item .mk-mi-title{font-size:15.5px;font-weight:600;color:var(--mk-text-2);transition:color .2s var(--mk-ease)}
.mk-matrix-item:hover,.mk-matrix-item.is-active{background:rgba(201,242,77,.1)}
.mk-matrix-item:hover::before,.mk-matrix-item.is-active::before{height:26px}
.mk-matrix-item:hover .mk-mi-title,.mk-matrix-item.is-active .mk-mi-title{color:var(--mk-ink);font-weight:800}
.mk-matrix-item.is-active .mk-mi-idx{color:var(--mk-ink)}
.mk-matrix-preview{
  background:var(--mk-surface);border:1px solid var(--mk-line);border-radius:var(--mk-r-card);
  padding:24px;position:sticky;top:112px;
}
.mk-matrix-preview .mk-pv-media{
  width:100%;aspect-ratio:16/10;border-radius:var(--mk-r-img);
  background-color:#E9E7E1;background-size:cover;background-position:center;
  margin-bottom:22px;transition:background-image .2s var(--mk-ease);
}
.mk-matrix-preview .mk-pv-idx{font-family:var(--mk-font-num);font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--mk-text-3)}
.mk-matrix-preview h3{font-size:21px;font-weight:700;margin:10px 0 12px}
.mk-matrix-preview p{margin:0;font-size:14.5px;color:var(--mk-text-2);line-height:1.8}
.mk-matrix-cards{display:none}

/* ---------- compare ---------- */
.mk-compare{border-top:1px solid var(--mk-line)}
.mk-compare-head{display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:24px;padding:14px 8px;border-bottom:1px solid var(--mk-line)}
.mk-compare-head span{font-family:var(--mk-font-num);font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--mk-text-3);text-transform:uppercase}
.mk-compare-row{
  display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:24px;align-items:center;
  min-height:80px;padding:0 8px;border-bottom:1px solid var(--mk-line);
}
.mk-compare-row .mk-cr-name{font-size:15.5px;font-weight:700;color:var(--mk-ink)}
.mk-cr-col{display:flex;flex-direction:column;gap:8px}
.mk-cr-col .mk-cr-txt{font-size:13.5px;color:var(--mk-text-2)}
.mk-cr-col.is-new .mk-cr-txt{color:var(--mk-deep);font-weight:600}
.mk-bar{height:8px;border-radius:999px;background:#E3E0D8;overflow:hidden;width:100%}
.mk-bar i{display:block;height:100%;border-radius:999px;background:#B9BDB8;width:0;transition:width .8s var(--mk-ease)}
.mk-bar.is-new i{background:var(--mk-accent)}
.mk-bar.is-low i{background:#D8D5CD}

/* ---------- news ---------- */
.mk-news-layout{display:grid;grid-template-columns:1.35fr 1fr;gap:40px;align-items:start}
.mk-news-lead{background:var(--mk-surface);border:1px solid var(--mk-line);border-radius:var(--mk-r-card);padding:22px;transition:transform .22s var(--mk-ease),border-color .22s var(--mk-ease),box-shadow .22s var(--mk-ease)}
.mk-news-lead:hover{transform:translateY(-4px);border-color:var(--mk-accent);box-shadow:var(--mk-shadow-hover)}
.mk-news-lead-media{display:block;margin-bottom:20px;position:relative}
.mk-news-lead-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--mk-r-img)}
.mk-news-lead-media .mk-corner{position:absolute;top:12px;left:12px;width:26px;height:26px;border-radius:6px;background:var(--mk-ink);color:var(--mk-accent);font-family:var(--mk-font-num);font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center}
.mk-news-lead-body .mk-badge{margin-bottom:12px}
.mk-news-lead-body h3{font-size:22px;font-weight:700;line-height:1.45;margin-bottom:12px}
.mk-news-lead-body h3 a:hover{color:var(--mk-deep)}
.mk-news-lead-body p{margin:0 0 16px;font-size:14.5px;color:var(--mk-text-2);line-height:1.8}
.mk-news-meta{display:flex;align-items:center;gap:12px;font-size:12.5px;color:var(--mk-text-3)}
.mk-news-meta time{font-family:var(--mk-font-num);font-variant-numeric:tabular-nums}
.mk-news-side{border-top:1px solid var(--mk-line)}
.mk-news-mini{padding:20px 4px;border-bottom:1px solid var(--mk-line);transition:background-color .2s var(--mk-ease)}
.mk-news-mini:hover{background:rgba(201,242,77,.08)}
.mk-news-mini h4{font-size:16.5px;font-weight:700;line-height:1.5;margin-bottom:10px}
.mk-news-mini h4 a:hover{color:var(--mk-deep)}
.mk-badge-sm{font-size:11.5px;padding:3px 10px}
.mk-news-empty{
  min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  border:1px dashed var(--mk-line);border-radius:var(--mk-r-card);background:var(--mk-surface);text-align:center;padding:32px;
}
.mk-news-empty svg{width:26px;height:26px;stroke:var(--mk-text-3);fill:none;stroke-width:1.6;stroke-linecap:round}
.mk-news-empty p{margin:0;font-size:14.5px;color:var(--mk-text-2)}

/* ---------- faq ---------- */
.mk-faq-layout{display:grid;grid-template-columns:4fr 6fr;gap:56px;align-items:start}
.mk-faq-aside h2{font-size:clamp(24px,2.6vw,32px);font-weight:700;margin-bottom:16px}
.mk-faq-aside p{font-size:15px;color:var(--mk-text-2);max-width:340px}
.mk-faq-aside .mk-btn-ghost{margin-top:18px}
.mk-faq .accordion{border:0;background:transparent}
.mk-faq .accordion-item{border:0;border-top:1px solid var(--mk-line);background:transparent}
.mk-faq .accordion-item:last-child{border-bottom:1px solid var(--mk-line)}
.mk-faq .accordion-title{
  border:0;background:transparent;padding:22px 44px 22px 18px;
  font-size:17px;font-weight:700;color:var(--mk-ink);position:relative;
  transition:color .2s var(--mk-ease);
}
.mk-faq .accordion-title::before{display:none}
.mk-faq .accordion-title::after{
  content:"+";position:absolute;right:8px;top:50%;transform:translateY(-50%);
  font-family:var(--mk-font-num);font-size:22px;font-weight:400;color:var(--mk-text-2);
  transition:transform .22s var(--mk-ease);
}
.mk-faq .accordion-item.is-active .accordion-title::after{content:"−"}
.mk-faq .accordion-item.is-active .accordion-title::before{
  content:"";display:block;position:absolute;left:0;top:26px;bottom:26px;width:3px;background:var(--mk-accent);
}
.mk-faq .accordion-title:hover{color:var(--mk-deep)}
.mk-faq .accordion-content{padding:0 44px 26px 32px;border:0;background:transparent;color:var(--mk-text-2);font-size:15px;line-height:1.85}
.mk-faq .accordion-content p:last-child{margin-bottom:0}
.mk-faq .accordion-content{display:none}
.mk-faq .accordion-item.is-active > .accordion-content{display:block}

/* ---------- cta ---------- */
.mk-cta-grid{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start}
.mk-cta-copy h2{font-size:clamp(26px,3vw,36px);font-weight:700;margin-bottom:18px;letter-spacing:-.02em}
.mk-cta-copy p{color:rgba(255,255,255,.72);font-size:15.5px;margin:0 0 8px;max-width:420px}
.mk-cta-points{margin-top:26px;display:flex;flex-direction:column;gap:12px}
.mk-cta-points li{position:relative;padding-left:20px;font-size:14.5px;color:rgba(255,255,255,.86)}
.mk-cta-points li::before{content:"";position:absolute;left:0;top:.72em;width:8px;height:2px;background:var(--mk-accent)}
.mk-form-card{background:#fff;border-radius:var(--mk-r-card);padding:32px}
.mk-form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px 20px}
.mk-field{display:flex;flex-direction:column;gap:8px}
.mk-field--full{grid-column:1 / -1}
.mk-field label{font-size:13px;font-weight:600;color:var(--mk-text)}
.mk-field label .mk-req{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--mk-accent);margin-left:6px;vertical-align:middle}
.mk-field input,.mk-field select,.mk-field textarea{
  width:100%;border:1px solid var(--mk-line);border-radius:var(--mk-r-input);
  padding:13px 16px;font-size:14.5px;background:#fff;color:var(--mk-text);outline:none;
  transition:border-color .2s var(--mk-ease),box-shadow .2s var(--mk-ease);
}
.mk-field textarea{min-height:104px;resize:vertical;line-height:1.7}
.mk-field input:focus,.mk-field select:focus,.mk-field textarea:focus{border-color:var(--mk-accent);box-shadow:0 0 0 3px rgba(201,242,77,.35)}
.mk-field .mk-err{min-height:20px;font-size:13px;color:var(--mk-warn);display:none}
.mk-field.has-error input,.mk-field.has-error textarea{border-color:var(--mk-warn)}
.mk-field.has-error .mk-err{display:block}
.mk-form-actions{display:flex;justify-content:flex-end;margin-top:8px}
.mk-form-note{margin:16px 0 0;font-size:12.5px;color:var(--mk-text-3)}

/* ---------- footer ---------- */
.mk-footer{background:var(--mk-ink);color:rgba(255,255,255,.72);padding:64px 0 28px}
.mk-footer-top{border-top:1px solid rgba(255,255,255,.12);padding-top:48px;display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.mk-footer .mk-logo-top{color:#fff;letter-spacing:.2em}
.mk-footer .mk-logo-bottom{color:#fff}
.mk-footer-brand p{margin:18px 0 0;font-size:14px;line-height:1.8;max-width:320px;color:rgba(255,255,255,.6)}
.mk-footer h4{color:#fff;font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;margin-bottom:18px}
.mk-footer-links{display:flex;flex-direction:column;gap:12px}
.mk-footer-links a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s var(--mk-ease)}
.mk-footer-links a:hover{color:var(--mk-accent)}
.mk-footer-meta li{font-size:14px;color:rgba(255,255,255,.6);margin-bottom:12px}
.mk-footer-bottom{margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5)}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .mk-container,.mk-container-wide{padding:0 26px}
  .mk-matrix-preview{position:static}
  .mk-cat-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:1023px){
  .mk-header-inner{height:auto;flex-wrap:wrap;padding-top:14px;padding-bottom:14px;gap:12px}
  .mk-logo{flex:1 1 auto}
  .mk-burger{display:flex}
  .mk-nav-desktop{display:none}
  .mk-header-cta{display:none}
  .mk-search{order:3;flex:0 0 100%;max-width:none;margin:0;height:auto}
  .mk-hero-grid{grid-template-columns:1fr;gap:36px}
  .mk-hero{padding-top:56px;padding-bottom:56px}
  .mk-hero-figure img{aspect-ratio:16/9}
  .mk-hero-float{left:16px;bottom:16px}
  .mk-trust-list li{flex:1 1 45%;border-left:0 !important;text-align:left;padding:0 8px}
  .mk-metrics-grid{grid-template-columns:repeat(2,1fr);gap:32px 0}
  .mk-metric + .mk-metric{border-left:0}
  .mk-metric:nth-child(even){border-left:1px solid rgba(255,255,255,.12)}
  .mk-matrix{grid-template-columns:1fr;gap:32px}
  .mk-matrix-list{display:none}
  .mk-matrix-preview{display:none}
  .mk-matrix-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
  .mk-matrix-card{background:var(--mk-surface);border:1px solid var(--mk-line);border-radius:var(--mk-r-card);padding:22px;transition:transform .22s var(--mk-ease),border-color .22s var(--mk-ease)}
  .mk-matrix-card:hover{transform:translateY(-4px);border-color:var(--mk-accent)}
  .mk-matrix-card .mk-mi-idx{font-family:var(--mk-font-num);font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--mk-text-3)}
  .mk-matrix-card h3{font-size:18px;margin:10px 0 10px}
  .mk-matrix-card p{margin:0 0 14px;font-size:14px;color:var(--mk-text-2);line-height:1.7}
  .mk-cat-grid{grid-template-columns:repeat(2,1fr)}
  .mk-news-layout{grid-template-columns:1fr;gap:28px}
  .mk-faq-layout{grid-template-columns:1fr;gap:28px}
  .mk-cta-grid{grid-template-columns:1fr;gap:32px}
  .mk-footer-top{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .mk-container,.mk-container-wide{padding:0 18px}
  body{font-size:16px}
  .mk-section{padding:64px 0}
  .mk-hero h1{font-size:clamp(28px,7.4vw,38px)}
  .mk-cat-grid{grid-template-columns:1fr}
  .mk-matrix-cards{grid-template-columns:1fr}
  .mk-compare-head{display:none}
  .mk-compare-row{grid-template-columns:1fr;gap:12px;padding:20px 4px;min-height:0}
  .mk-compare-row .mk-cr-col{border-top:1px dashed var(--mk-line);padding-top:12px}
  .mk-compare-row .mk-cr-name{margin-bottom:4px}
  .mk-form-grid{grid-template-columns:1fr}
  .mk-form-actions{justify-content:stretch}
  .mk-form-actions .mk-btn{width:100%}
  .mk-footer-top{grid-template-columns:1fr;gap:32px}
  .mk-hero-actions{flex-direction:column;align-items:flex-start}
  .mk-hero-actions .mk-btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: article */
/* ============================================================
   mksports官方登录入口 · 统一设计系统
   ============================================================ */
:root{
  --mk-ink:#14171A;
  --mk-ink-soft:#2A3035;
  --mk-accent:#C9F24D;
  --mk-deep:#0F3B33;
  --mk-bg:#F6F5F1;
  --mk-surface:#FFFFFF;
  --mk-line:#E5E2DA;
  --mk-line-soft:#EFEDE7;
  --mk-text:#1B1F23;
  --mk-text-2:#6E767C;
  --mk-text-3:#9AA1A7;
  --mk-warn:#E4622E;
  --mk-radius:16px;
  --mk-radius-sm:12px;
  --mk-shadow:0 12px 32px rgba(20,23,26,.10);
  --mk-ease:cubic-bezier(.2,.7,.3,1);
  --mk-font:'Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,-apple-system,sans-serif;
  --mk-font-num:'Inter','Helvetica Neue',Arial,sans-serif;
}

/* ---------- reset / base ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--mk-bg);
  color:var(--mk-text);
  font-family:var(--mk-font);
  font-size:16.5px;
  line-height:1.88;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.3;letter-spacing:-.01em;color:var(--mk-ink);}
p{margin:0 0 1.15em;}
p:last-child{margin-bottom:0;}
a{color:inherit;text-decoration:none;transition:color .2s var(--mk-ease);}
img{max-width:100%;height:auto;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--mk-accent);outline-offset:2px;}
.mk-num{font-family:var(--mk-font-num);font-variant-numeric:tabular-nums;}

/* ---------- 容器 ---------- */
.mk-container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.mk-container-wide{width:100%;max-width:1320px;margin:0 auto;padding:0 32px;}

/* ---------- 栏目小标签 ---------- */
.mk-overline{
  display:inline-block;
  font-family:var(--mk-font-num);
  font-size:12px;
  font-weight:700;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--mk-ink);
}
.mk-overline.is-light{color:var(--mk-accent);}

/* ---------- 按钮 ---------- */
.mk-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 28px;
  border-radius:999px;
  font-size:15px;
  font-weight:700;
  line-height:1;
  white-space:nowrap;
  border:1px solid transparent;
  transition:background-color .22s var(--mk-ease),color .22s var(--mk-ease),border-color .22s var(--mk-ease),transform .22s var(--mk-ease);
}
.mk-btn-primary{background:var(--mk-ink);color:#fff;}
.mk-btn-primary:hover,.mk-btn-primary:focus-visible{background:var(--mk-accent);color:var(--mk-ink);}
.mk-btn-ghost{background:transparent;color:var(--mk-ink);border-color:var(--mk-ink);}
.mk-btn-ghost:hover,.mk-btn-ghost:focus-visible{border-color:var(--mk-accent);background:rgba(201,242,77,.18);}
.mk-btn-light{background:var(--mk-accent);color:var(--mk-ink);}
.mk-btn-light:hover,.mk-btn-light:focus-visible{background:#fff;color:var(--mk-ink);}
.mk-btn-sm{padding:11px 20px;font-size:14px;}
.mk-btn:active{transform:translateY(1px);}
.mk-link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--mk-ink);}
.mk-link-arrow span{transition:transform .22s var(--mk-ease);}
.mk-link-arrow:hover span{transform:translateX(4px);}

/* ---------- 徽章 ---------- */
.mk-badge{
  display:inline-flex;align-items:center;
  padding:5px 12px;border-radius:999px;
  background:var(--mk-line-soft);
  color:var(--mk-ink);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.mk-badge.is-dark{background:rgba(255,255,255,.1);color:#fff;}

/* ============================================================
   Header · 搜索主导导航
   ============================================================ */
.mk-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,245,241,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .22s var(--mk-ease),background-color .22s var(--mk-ease);
}
.mk-header.is-scrolled{border-bottom-color:var(--mk-line);}
.mk-header-inner{display:flex;align-items:center;gap:24px;height:88px;}
.mk-logo{display:flex;flex-direction:column;justify-content:center;gap:1px;flex-shrink:0;}
.mk-logo-top{
  font-family:var(--mk-font-num);font-size:13px;font-weight:800;
  letter-spacing:.2em;color:var(--mk-ink);line-height:1.1;
}
.mk-logo-bottom{font-size:15px;font-weight:700;letter-spacing:.04em;color:var(--mk-ink);line-height:1.2;}
.mk-search{position:relative;flex:1 1 auto;max-width:520px;display:flex;align-items:center;}
.mk-search-icon{
  position:absolute;left:16px;width:18px;height:18px;
  fill:none;stroke:var(--mk-text-3);stroke-width:2;
  stroke-linecap:round;pointer-events:none;transition:stroke .2s var(--mk-ease);
}
.mk-search input{
  width:100%;height:46px;padding:0 20px 0 44px;
  border-radius:999px;border:1px solid var(--mk-line);
  background:var(--mk-surface);color:var(--mk-text);font-size:14px;
  transition:border-color .22s var(--mk-ease),box-shadow .22s var(--mk-ease);
}
.mk-search input::placeholder{color:var(--mk-text-3);}
.mk-search input:focus{outline:none;border-color:var(--mk-accent);box-shadow:0 0 0 3px rgba(201,242,77,.35);}
.mk-search input:focus + .mk-search-icon,
.mk-search:focus-within .mk-search-icon{stroke:var(--mk-ink);}
.mk-nav-desktop{display:flex;align-items:center;gap:24px;margin-left:auto;}
.mk-nav-desktop a{
  position:relative;font-size:14px;font-weight:600;color:var(--mk-ink);
  padding:6px 0;white-space:nowrap;
}
.mk-nav-desktop a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--mk-accent);transition:width .22s var(--mk-ease);
}
.mk-nav-desktop a:hover::after,.mk-nav-desktop a:focus-visible::after{width:100%;}
.mk-nav-desktop a.is-active{font-weight:800;}
.mk-nav-desktop a.is-active::before{
  content:"";position:absolute;left:0;top:0;height:2px;width:100%;background:var(--mk-ink);
}
.mk-header-cta{flex-shrink:0;}
.mk-burger{
  display:none;width:44px;height:44px;border-radius:12px;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
  border:1px solid var(--mk-line);background:var(--mk-surface);
}
.mk-burger span{display:block;width:18px;height:2px;background:var(--mk-ink);border-radius:2px;transition:transform .22s var(--mk-ease),opacity .22s var(--mk-ease);}
.mk-burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.mk-burger[aria-expanded="true"] span:nth-child(2){opacity:0;}
.mk-burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- 移动抽屉 ---------- */
.mk-drawer{
  position:fixed;inset:0;z-index:80;background:rgba(20,23,26,.55);
  opacity:0;visibility:hidden;transition:opacity .22s var(--mk-ease),visibility .22s var(--mk-ease);
}
.mk-drawer.is-open{opacity:1;visibility:visible;}
.mk-drawer-panel{
  position:absolute;top:0;right:0;height:100%;width:86%;max-width:360px;
  background:var(--mk-bg);padding:24px;display:flex;flex-direction:column;gap:20px;
  transform:translateX(100%);transition:transform .26s var(--mk-ease);overflow-y:auto;
}
.mk-drawer.is-open .mk-drawer-panel{transform:translateX(0);}
.mk-drawer-panel .mk-search{max-width:none;}
.mk-drawer-nav{display:flex;flex-direction:column;}
.mk-drawer-nav a{
  padding:15px 2px;font-size:16px;font-weight:600;border-bottom:1px solid var(--mk-line);
}
.mk-drawer-nav a:hover{color:var(--mk-ink);}
.mk-drawer-nav a.is-active{color:var(--mk-ink);font-weight:800;box-shadow:inset 3px 0 0 var(--mk-accent);padding-left:14px;}

/* ============================================================
   面包屑
   ============================================================ */
.mk-crumb{padding:40px 0 0;}
.mk-crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--mk-text-2);}
.mk-crumb li{display:flex;align-items:center;gap:8px;}
.mk-crumb li + li::before{content:"/";color:var(--mk-text-3);}
.mk-crumb a{color:var(--mk-text-2);}
.mk-crumb a:hover{color:var(--mk-ink);}
.mk-crumb li[aria-current]{color:var(--mk-ink);font-weight:600;}

/* ============================================================
   文章头区
   ============================================================ */
.mk-article{padding:24px 0 0;}
.mk-article-head{max-width:900px;padding:16px 0 28px;border-bottom:1px solid var(--mk-line);}
.mk-article-head h1{
  font-size:clamp(28px,3.4vw,42px);
  font-weight:800;letter-spacing:-.02em;line-height:1.28;
  margin:18px 0 20px;
}
.mk-article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;font-size:13px;color:var(--mk-text-3);}
.mk-article-meta span{display:inline-flex;align-items:center;gap:8px;}
.mk-article-meta span + span::before{content:"";width:1px;height:12px;background:var(--mk-line);display:inline-block;margin-right:6px;}
.mk-article-meta .mk-num{color:var(--mk-text-2);}

/* ---------- 正文布局 ---------- */
.mk-article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:48px;padding:40px 0 0;}
.mk-article-main{min-width:0;max-width:760px;margin:0 auto;width:100%;}
.mk-article-cover{margin:0 0 40px;}
.mk-article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--mk-radius);}
.mk-article-cover figcaption{font-size:13px;color:var(--mk-text-3);text-align:center;margin-top:12px;}

/* ---------- 正文排版 ---------- */
.mk-article-body{font-size:17px;line-height:1.9;color:var(--mk-text);}
.mk-article-body > *:first-child{margin-top:0;}
.mk-article-body p{margin:0 0 1.2em;}
.mk-article-body h2{
  position:relative;font-size:clamp(21px,2.2vw,26px);font-weight:700;
  margin:48px 0 16px;padding-left:16px;letter-spacing:-.01em;
}
.mk-article-body h2::before{
  content:"";position:absolute;left:0;top:.32em;width:3px;height:1em;
  background:var(--mk-accent);border-radius:2px;
}
.mk-article-body h3{font-size:19px;font-weight:700;margin:32px 0 12px;}
.mk-article-body h4{font-size:17px;font-weight:700;margin:24px 0 10px;}
.mk-article-body ul,.mk-article-body ol{margin:0 0 1.3em;}
.mk-article-body ul li{position:relative;padding-left:22px;margin-bottom:10px;}
.mk-article-body ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;
  background:var(--mk-accent);border-radius:1px;
}
.mk-article-body ol{counter-reset:mkli;}
.mk-article-body ol li{position:relative;padding-left:30px;margin-bottom:10px;counter-increment:mkli;}
.mk-article-body ol li::before{
  content:counter(mkli,decimal-leading-zero);
  position:absolute;left:0;top:0;font-family:var(--mk-font-num);
  font-size:13px;font-weight:800;color:var(--mk-ink);
}
.mk-article-body blockquote{
  margin:28px 0;padding:20px 24px;background:#F1EFE9;
  border-left:3px solid var(--mk-ink);border-radius:0 var(--mk-radius-sm) var(--mk-radius-sm) 0;
  color:var(--mk-text-2);font-size:16px;
}
.mk-article-body blockquote p:last-child{margin-bottom:0;}
.mk-article-body img{border-radius:var(--mk-radius-sm);margin:24px auto;}
.mk-article-body figure{margin:28px 0;}
.mk-article-body figure img{margin:0 auto;}
.mk-article-body figcaption{font-size:13px;color:var(--mk-text-3);text-align:center;margin-top:10px;}
.mk-article-body a{
  color:var(--mk-ink);font-weight:600;
  box-shadow:inset 0 -2px 0 0 rgba(201,242,77,.85);
  transition:box-shadow .2s var(--mk-ease);
}
.mk-article-body a:hover{box-shadow:inset 0 -12px 0 0 rgba(201,242,77,.85);}
.mk-article-body hr{border:0;border-top:1px solid var(--mk-line);margin:40px 0;}
.mk-article-body strong{font-weight:800;color:var(--mk-ink);}

/* ---------- 空态 ---------- */
.mk-empty{
  min-height:280px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:18px;text-align:center;background:var(--mk-surface);
  border:1px solid var(--mk-line);border-radius:var(--mk-radius);padding:48px 28px;
}
.mk-empty svg{width:24px;height:24px;fill:none;stroke:var(--mk-text-3);stroke-width:1.8;stroke-linecap:round;}
.mk-empty p{color:var(--mk-text-2);font-size:16px;margin:0;}

/* ---------- 侧栏 ---------- */
.mk-article-side{display:none;}
.mk-side-box{position:sticky;top:112px;display:flex;flex-direction:column;gap:32px;}
.mk-side-block h3{
  font-size:13px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;
  color:var(--mk-text-3);margin-bottom:14px;
}
.mk-toc ol{border-left:1px solid var(--mk-line);}
.mk-toc li a{
  display:block;padding:7px 0 7px 16px;font-size:14px;color:var(--mk-text-2);
  border-left:2px solid transparent;margin-left:-1px;
  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-accent);}
.mk-side-list li{border-bottom:1px solid var(--mk-line);}
.mk-side-list li:last-child{border-bottom:0;}
.mk-side-list a{display:block;padding:12px 0;font-size:14px;font-weight:600;color:var(--mk-text);}
.mk-side-list a:hover{color:var(--mk-ink);}
.mk-side-list .mk-side-meta{display:block;font-size:12px;color:var(--mk-text-3);font-weight:400;margin-top:2px;}

/* ---------- 文末栏目导航 ---------- */
.mk-article-nav{
  display:grid;grid-template-columns:1fr 1fr;gap:20px;
  margin-top:56px;padding-top:40px;border-top:1px solid var(--mk-line);
}
.mk-article-nav-item{
  display:block;padding:22px 24px;border:1px solid var(--mk-line);border-radius:var(--mk-radius);
  background:var(--mk-surface);transition:border-color .22s var(--mk-ease),transform .22s var(--mk-ease);
}
.mk-article-nav-item:hover{border-color:var(--mk-accent);transform:translateY(-4px);}
.mk-article-nav-item .mk-label{font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--mk-text-3);display:block;margin-bottom:8px;}
.mk-article-nav-item .mk-title{font-size:16px;font-weight:700;color:var(--mk-ink);display:block;}
.mk-article-nav-item .mk-desc{font-size:13px;color:var(--mk-text-2);margin-top:6px;display:block;}
.mk-article-back{margin-top:28px;}

/* ============================================================
   板块通用
   ============================================================ */
.mk-section{padding:clamp(64px,8vw,112px) 0;}
.mk-section-head{max-width:720px;margin-bottom:48px;}
.mk-section-head h2{font-size:clamp(24px,2.8vw,34px);font-weight:700;margin:14px 0 12px;letter-spacing:-.02em;}
.mk-section-head p{color:var(--mk-text-2);font-size:16px;margin:0;}
.mk-section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;max-width:none;}

/* ---------- 卡片 ---------- */
.mk-grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.mk-card{
  display:flex;flex-direction:column;background:var(--mk-surface);
  border:1px solid var(--mk-line);border-radius:var(--mk-radius);overflow:hidden;
  transition:transform .22s var(--mk-ease),border-color .22s var(--mk-ease),box-shadow .22s var(--mk-ease);
}
.mk-card:hover{transform:translateY(-4px);border-color:var(--mk-accent);box-shadow:var(--mk-shadow);}
.mk-card-media{aspect-ratio:16/10;background:#EDEAE3;overflow:hidden;}
.mk-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--mk-ease);}
.mk-card:hover .mk-card-media img{transform:scale(1.03);}
.mk-card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.mk-card-body h3{font-size:19px;font-weight:700;line-height:1.4;}
.mk-card-body p{font-size:14.5px;line-height:1.7;color:var(--mk-text-2);margin:0;}
.mk-card-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;}
.mk-card-date{font-family:var(--mk-font-num);font-size:12.5px;color:var(--mk-text-3);font-variant-numeric:tabular-nums;}

/* ============================================================
   FAQ
   ============================================================ */
.mk-faq-grid{display:grid;grid-template-columns:40% 60%;gap:56px;align-items:start;}
.mk-faq-intro h2{font-size:clamp(24px,2.6vw,32px);margin:14px 0 14px;}
.mk-faq-intro p{color:var(--mk-text-2);font-size:15.5px;}
.mk-faq-list{width:100%;}
.mk-faq-item{border-bottom:1px solid var(--mk-line);}
.mk-faq-item:first-child{border-top:1px solid var(--mk-line);}
.mk-faq-q{
  position:relative;display:flex;align-items:center;justify-content:space-between;gap:20px;
  width:100%;padding:20px 0 20px 0;text-align:left;
  font-size:17px;font-weight:700;color:var(--mk-ink);
  transition:padding .22s var(--mk-ease),color .22s var(--mk-ease);
}
.mk-faq-q:hover{color:var(--mk-ink);}
.mk-faq-item.is-open .mk-faq-q{padding-left:14px;}
.mk-faq-item.is-open .mk-faq-q::before{
  content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;
  background:var(--mk-accent);border-radius:2px;
}
.mk-faq-icon{
  position:relative;flex:0 0 20px;width:20px;height:20px;
}
.mk-faq-icon::before,.mk-faq-icon::after{
  content:"";position:absolute;background:var(--mk-ink);border-radius:2px;
  transition:transform .22s var(--mk-ease),opacity .22s var(--mk-ease);
}
.mk-faq-icon::before{left:0;top:9px;width:20px;height:2px;}
.mk-faq-icon::after{left:9px;top:0;width:2px;height:20px;}
.mk-faq-item.is-open .mk-faq-icon::after{transform:scaleY(0);opacity:0;}
.mk-faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .22s var(--mk-ease);
}
.mk-faq-a-inner{padding:0 0 22px 32px;font-size:15px;line-height:1.85;color:var(--mk-text-2);}
.mk-faq-item.is-open .mk-faq-a{max-height:400px;}

/* ============================================================
   CTA
   ============================================================ */
.mk-cta{background:var(--mk-deep);color:#fff;}
.mk-cta-inner{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
  padding:clamp(56px,7vw,88px) 0;
}
.mk-cta h2{color:#fff;font-size:clamp(24px,2.8vw,34px);margin:14px 0 16px;}
.mk-cta p{color:rgba(255,255,255,.72);font-size:15.5px;margin:0 0 8px;}
.mk-cta-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.mk-cta-points span{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.82);
  border:1px solid rgba(255,255,255,.16);border-radius:999px;padding:7px 14px;
}
.mk-cta-points span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--mk-accent);}
.mk-cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}
.mk-cta .mk-btn-ghost{color:#fff;border-color:rgba(255,255,255,.4);}
.mk-cta .mk-btn-ghost:hover{border-color:var(--mk-accent);background:rgba(201,242,77,.14);}

/* ============================================================
   Footer
   ============================================================ */
.mk-footer{background:var(--mk-ink);color:rgba(255,255,255,.7);margin-top:0;}
.mk-footer-top{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding:64px 0 48px;border-top:1px solid rgba(255,255,255,.12);
}
.mk-footer .mk-logo-top,.mk-footer .mk-logo-bottom{color:#fff;}
.mk-footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);margin:16px 0 0;max-width:320px;}
.mk-footer h4{font-size:13px;font-weight:800;letter-spacing:.12em;color:#fff;margin-bottom:18px;}
.mk-footer-links{display:flex;flex-direction:column;gap:11px;}
.mk-footer-links a{font-size:14px;color:rgba(255,255,255,.7);}
.mk-footer-links a:hover{color:var(--mk-accent);}
.mk-footer-meta{display:flex;flex-direction:column;gap:11px;font-size:13.5px;color:rgba(255,255,255,.6);}
.mk-footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0 28px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ============================================================
   响应式
   ============================================================ */
@media (min-width:1200px){
  .mk-article-layout{grid-template-columns:minmax(0,1fr) 260px;}
  .mk-article-side{display:block;}
}
@media (max-width:1199px){
  .mk-nav-desktop{gap:16px;}
  .mk-nav-desktop a{font-size:13px;}
}
@media (max-width:1023px){
  .mk-container,.mk-container-wide{padding:0 24px;}
  .mk-nav-desktop{display:none;}
  .mk-burger{display:flex;}
  .mk-header-cta{margin-left:auto;}
  .mk-search{max-width:360px;}
  .mk-faq-grid{grid-template-columns:1fr;gap:32px;}
  .mk-footer-top{grid-template-columns:1fr 1fr;gap:36px;}
  .mk-cta-inner{grid-template-columns:1fr;gap:32px;}
  .mk-cta-actions{justify-content:flex-start;}
  .mk-grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:767px){
  body{font-size:16px;}
  .mk-container,.mk-container-wide{padding:0 18px;}
  .mk-header-inner{flex-wrap:wrap;height:auto;padding:12px 0;gap:12px;}
  .mk-logo{order:1;}
  .mk-burger{order:2;display:flex;margin-left:auto;}
  .mk-header-cta{display:none;}
  .mk-search{order:3;flex:1 0 100%;max-width:none;}
  .mk-search input{height:48px;}
  .mk-crumb{padding-top:24px;}
  .mk-article-head{padding-bottom:22px;}
  .mk-article-layout{padding-top:28px;gap:32px;}
  .mk-article-cover{margin-bottom:28px;}
  .mk-article-body{font-size:16.5px;}
  .mk-article-nav{grid-template-columns:1fr;}
  .mk-grid-3{grid-template-columns:1fr;}
  .mk-card-body{padding:20px;}
  .mk-section{padding:64px 0;}
  .mk-faq-a-inner{padding-left:18px;}
  .mk-footer-top{grid-template-columns:1fr;padding:48px 0 36px;gap:32px;}
  .mk-footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .mk-cta-actions{flex-direction:column;align-items:stretch;}
  .mk-cta-actions .mk-btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
  .mk-card:hover{transform:none;}
}

/* roulang page: category1 */
:root{
  --mk-ink:#14171A;
  --mk-ink-soft:#2A3035;
  --mk-accent:#C9F24D;
  --mk-deep:#0F3B33;
  --mk-bg:#F6F5F1;
  --mk-surface:#FFFFFF;
  --mk-line:#E5E2DA;
  --mk-text:#1B1F23;
  --mk-text-2:#6E767C;
  --mk-text-3:#9AA1A7;
  --mk-warn:#E4622E;
  --mk-radius:16px;
  --mk-radius-sm:12px;
  --mk-shadow:0 12px 32px rgba(20,23,26,.10);
  --mk-ease:cubic-bezier(.2,.7,.3,1);
  --mk-dur:220ms;
  --mk-font-cn:'Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,sans-serif;
  --mk-font-num:'Inter','Helvetica Neue',Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--mk-bg);color:var(--mk-text);
  font-family:var(--mk-font-cn);font-size:17px;line-height:1.88;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
svg{max-width:none}
a{color:var(--mk-ink);text-decoration:none;transition:color var(--mk-dur) var(--mk-ease)}
a:hover{color:var(--mk-ink)}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
button,input{font:inherit}
:focus-visible{outline:2px solid var(--mk-accent);outline-offset:2px}
.mk-container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.mk-container-wide{width:100%;max-width:1320px;margin:0 auto;padding:0 32px}

/* ============ 头部 ============ */
.mk-header{position:sticky;top:0;z-index:60;background:var(--mk-bg);border-bottom:1px solid transparent;transition:border-color var(--mk-dur) var(--mk-ease),box-shadow var(--mk-dur) var(--mk-ease)}
.mk-header.is-scrolled{border-bottom-color:var(--mk-line);box-shadow:0 6px 20px rgba(20,23,26,.05)}
.mk-header-inner{display:flex;align-items:center;gap:24px;min-height:88px}
.mk-logo{display:flex;flex-direction:column;flex:0 0 auto;line-height:1.1}
.mk-logo-top{font-family:var(--mk-font-num);font-size:17px;font-weight:800;letter-spacing:.18em;color:var(--mk-ink)}
.mk-logo-bottom{font-size:11px;font-weight:700;letter-spacing:.22em;color:var(--mk-text-2);margin-top:3px}
.mk-search{
  position:relative;display:flex;align-items:center;gap:10px;
  flex:1 1 auto;max-width:520px;height:46px;padding:0 18px;
  background:var(--mk-surface);border:1px solid var(--mk-line);border-radius:999px;
  transition:border-color var(--mk-dur) var(--mk-ease),box-shadow var(--mk-dur) var(--mk-ease);
}
.mk-search:focus-within{border-color:var(--mk-accent);box-shadow:0 0 0 3px rgba(201,242,77,.35)}
.mk-search-icon{width:18px;height:18px;flex:0 0 auto;fill:none;stroke:var(--mk-text-3);stroke-width:1.8;stroke-linecap:round}
.mk-search input{
  flex:1 1 auto;width:auto;height:100%;margin:0;padding:0;border:0;background:transparent;
  box-shadow:none;font-size:15px;color:var(--mk-text);appearance:none;-webkit-appearance:none;
}
.mk-search input:focus{box-shadow:none;border:0;outline:none}
.mk-search input::placeholder{color:var(--mk-text-3)}
.mk-nav-desktop{display:flex;align-items:center;gap:24px;margin-left:auto}
.mk-nav-desktop a{position:relative;padding:8px 0;font-size:14px;font-weight:600;color:var(--mk-text-2);white-space:nowrap}
.mk-nav-desktop a::after{content:'';position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--mk-accent);transition:width var(--mk-dur) var(--mk-ease)}
.mk-nav-desktop a:hover{color:var(--mk-ink)}
.mk-nav-desktop a:hover::after{width:100%}
.mk-nav-desktop a.is-active{color:var(--mk-ink);font-weight:800}
.mk-nav-desktop a.is-active::before{content:'';position:absolute;left:0;right:0;top:0;height:2px;background:var(--mk-ink)}
.mk-burger{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;padding:0 10px;background:transparent;border:1px solid var(--mk-line);border-radius:999px;cursor:pointer}
.mk-burger span{display:block;height:2px;width:100%;background:var(--mk-ink);border-radius:2px;transition:transform var(--mk-dur) var(--mk-ease)}
.mk-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 28px;borderradius:999px;border-radius:999px;border:1px solid transparent;font-size:15px;font-weight:700;cursor:pointer;transition:background var(--mk-dur) var(--mk-ease),color var(--mk-dur) var(--mk-ease),border-color var(--mk-dur) var(--mk-ease)}
.mk-btn-sm{padding:10px 20px;font-size:14px}
.mk-btn-primary{background:var(--mk-ink);color:#fff;border-color:var(--mk-ink)}
.mk-btn-primary:hover{background:var(--mk-accent);color:var(--mk-ink);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-accent);background:rgba(201,242,77,.14)}
.mk-btn-on-dark{background:var(--mk-accent);color:var(--mk-ink);border-color:var(--mk-accent)}
.mk-btn-on-dark:hover{background:#fff;border-color:#fff;color:var(--mk-ink)}
.mk-text-link{display:inline-flex;align-items:center;gap:10px;font-size:15px;font-weight:700;color:var(--mk-ink)}
.mk-text-link svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform var(--mk-dur) var(--mk-ease)}
.mk-text-link:hover svg{transform:translateX(4px)}
.mk-text-link-dark{color:#fff}
.mk-text-link-dark:hover{color:var(--mk-accent)}

/* 抽屉 */
.mk-drawer{position:fixed;inset:0;z-index:90;background:var(--mk-bg);padding:22px 20px 40px;overflow-y:auto;transform:translateX(102%);transition:transform 240ms var(--mk-ease)}
.mk-drawer.is-open{transform:translateX(0)}
.mk-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.mk-drawer-close{width:44px;height:44px;border:1px solid var(--mk-line);border-radius:999px;background:transparent;font-size:20px;line-height:1;color:var(--mk-ink);cursor:pointer}
.mk-drawer .mk-search{max-width:none;width:100%;height:48px;margin-bottom:26px}
.mk-drawer nav{display:flex;flex-direction:column}
.mk-drawer nav a{padding:16px 0;border-bottom:1px solid var(--mk-line);font-size:16px;font-weight:600;color:var(--mk-text-2)}
.mk-drawer nav a.is-active{color:var(--mk-ink);font-weight:800}
.mk-drawer .mk-btn{width:100%;margin-top:26px}

/* ============ 分类页 Hero ============ */
.mk-cat-hero{
  position:relative;background:
    linear-gradient(100deg,rgba(15,17,20,.94) 0%,rgba(15,17,20,.82) 48%,rgba(15,23,21,.72) 100%),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  color:#fff;
}
.mk-cat-hero-inner{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,.85fr);gap:48px;align-items:center;min-height:360px;padding:44px 0 52px}
.mk-breadcrumb ol{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px;font-size:13px;color:rgba(255,255,255,.68)}
.mk-breadcrumb li{display:flex;align-items:center;gap:8px}
.mk-breadcrumb li+li::before{content:'/';color:rgba(255,255,255,.32)}
.mk-breadcrumb a{color:rgba(255,255,255,.68)}
.mk-breadcrumb a:hover{color:var(--mk-accent)}
.mk-badge-dark{display:inline-block;padding:5px 14px;margin-bottom:18px;border-radius:999px;background:rgba(255,255,255,.1);color:#fff;font-size:12px;font-weight:700;letter-spacing:.14em}
.mk-cat-hero h1{font-size:clamp(30px,4vw,50px);font-weight:800;line-height:1.22;letter-spacing:-.02em;max-width:760px}
.mk-cat-hero-sub{margin-top:18px;font-size:17px;color:rgba(255,255,255,.76);max-width:620px}
.mk-hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:22px;margin-top:32px}
.mk-cat-hero-media{border-radius:var(--mk-radius);overflow:hidden;border:1px solid rgba(255,255,255,.14);aspect-ratio:4/3}
.mk-cat-hero-media img{width:100%;height:100%;object-fit:cover}

/* ============ 核验清单窄带 ============ */
.mk-check-band{background:var(--mk-ink);color:#fff;padding:clamp(44px,5vw,64px) 0}
.mk-check-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:18px;margin-bottom:36px}
.mk-check-head h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;letter-spacing:-.01em}
.mk-check-head p{font-size:14px;color:rgba(255,255,255,.6)}
.mk-check-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.mk-check-item{padding:0 28px;border-left:1px solid rgba(255,255,255,.12)}
.mk-check-item:first-child{border-left:0;padding-left:0}
.mk-check-num{display:block;font-family:var(--mk-font-num);font-size:12px;font-weight:800;letter-spacing:.16em;color:var(--mk-accent);margin-bottom:14px}
.mk-check-item h3{font-size:18px;font-weight:700;margin-bottom:10px}
.mk-check-item p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.68)}

/* ============ 主体：粘性索引 + 分节 ============ */
.mk-cat-body{padding:clamp(56px,7vw,100px) 0}
.mk-cat-grid{display:grid;grid-template-columns:240px minmax(0,1fr);gap:64px;align-items:start}
.mk-side-index{position:sticky;top:116px}
.mk-side-index h2{font-size:12px;font-weight:800;letter-spacing:.16em;color:var(--mk-text-3);margin-bottom:18px}
.mk-side-index ol{border-top:1px solid var(--mk-line)}
.mk-side-index li{border-bottom:1px solid var(--mk-line)}
.mk-side-index a{position:relative;display:block;padding:13px 0 13px 18px;font-size:14px;font-weight:600;color:var(--mk-text-2);transition:color var(--mk-dur) var(--mk-ease)}
.mk-side-index a::before{content:'';position:absolute;left:0;top:50%;transform:translateY(-50%);width:3px;height:0;background:var(--mk-accent);border-radius:2px;transition:height var(--mk-dur) var(--mk-ease)}
.mk-side-index a:hover{color:var(--mk-ink)}
.mk-side-index a.is-current{color:var(--mk-ink);font-weight:800}
.mk-side-index a.is-current::before{height:22px}

.mk-cat-section{padding-bottom:clamp(40px,4vw,56px);margin-bottom:clamp(40px,4vw,56px);border-bottom:1px solid var(--mk-line)}
.mk-cat-section:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0}
.mk-sec-head{display:flex;align-items:center;gap:16px;margin-bottom:20px}
.mk-sec-num{font-family:var(--mk-font-num);font-size:12px;font-weight:800;letter-spacing:.16em;color:var(--mk-ink);background:var(--mk-accent);border-radius:6px;padding:5px 10px}
.mk-cat-section h2{font-size:clamp(23px,2.6vw,32px);font-weight:700;letter-spacing:-.01em;line-height:1.35}
.mk-lead{max-width:760px;font-size:16px;color:var(--mk-text-2);margin-bottom:34px}
.mk-sub{margin-bottom:32px}
.mk-sub:last-child{margin-bottom:0}
.mk-sub h3{position:relative;padding-left:15px;margin-bottom:12px;font-size:20px;font-weight:700}
.mk-sub h3::before{content:'';position:absolute;left:0;top:.44em;width:3px;height:18px;background:var(--mk-accent);border-radius:2px}
.mk-sub p{font-size:16px;color:var(--mk-text-2);margin-bottom:14px;max-width:760px}
.mk-points li{position:relative;padding-left:22px;margin-bottom:9px;font-size:15.5px;color:var(--mk-text)}
.mk-points li::before{content:'';position:absolute;left:0;top:.64em;width:6px;height:6px;background:var(--mk-accent);border-radius:1px}
.mk-note{display:flex;gap:16px;align-items:flex-start;margin-top:28px;padding:20px 24px;border-left:3px solid var(--mk-ink);background:#F1EFE9;border-radius:0 var(--mk-radius-sm) var(--mk-radius-sm) 0}
.mk-note p{font-size:15px;color:var(--mk-text-2)}
.mk-figure{margin-top:28px;border-radius:var(--mk-radius-sm);overflow:hidden;border:1px solid var(--mk-line);aspect-ratio:16/9}
.mk-figure img{width:100%;height:100%;object-fit:cover}
.mk-figure figcaption{padding:12px 16px;font-size:13px;color:var(--mk-text-3);background:var(--mk-surface);border-top:1px solid var(--mk-line)}

/* ============ FAQ ============ */
.mk-faq{padding:clamp(56px,7vw,96px) 0;background:var(--mk-surface);border-top:1px solid var(--mk-line)}
.mk-faq-layout{display:grid;grid-template-columns:minmax(0,.75fr) minmax(0,1.25fr);gap:64px;align-items:start}
.mk-faq-intro h2{font-size:clamp(24px,2.8vw,34px);font-weight:700;letter-spacing:-.01em;line-height:1.34;margin-bottom:16px}
.mk-faq-intro p{font-size:15.5px;color:var(--mk-text-2);margin-bottom:24px}
.mk-faq-list{border-top:1px solid var(--mk-line)}
.mk-faq-list .accordion-item{border:0;border-top:1px solid var(--mk-line);background:transparent}
.mk-faq-list .accordion-item:first-child{border-top:0}
.mk-faq-list .accordion-item:last-child{border-bottom:1px solid var(--mk-line)}
.mk-faq-list .accordion-title{position:relative;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:22px 40px 22px 0;border:0;background:transparent;font-size:17px;font-weight:700;line-height:1.6;color:var(--mk-ink)}
.mk-faq-list .accordion-title::before{content:'+';position:absolute;right:0;top:50%;transform:translateY(-50%);width:auto;height:auto;margin:0;background:none;font-size:20px;font-weight:400;line-height:1;color:var(--mk-text-2)}
.mk-faq-list .accordion-item.is-active>.accordion-title::before{content:'−';color:var(--mk-ink)}
.mk-faq-list .accordion-item.is-active>.accordion-title{padding-left:16px}
.mk-faq-list .accordion-item.is-active>.accordion-title::after{content:'';position:absolute;left:0;top:50%;transform:translateY(-50%);width:3px;height:22px;background:var(--mk-accent);border-radius:2px}
.mk-faq-list .accordion-content{padding:0 40px 24px 32px;border:0;background:transparent;font-size:15px;line-height:1.85;color:var(--mk-text-2)}
.mk-faq-list .accordion-content p{margin-bottom:10px}
.mk-faq-list .accordion-content p:last-child{margin-bottom:0}
.mk-faq-list .accordion-item.is-active>.accordion-content{display:block}

/* ============ 底部 CTA ============ */
.mk-cta{background:var(--mk-deep);color:#fff;padding:clamp(40px,5vw,64px) 0}
.mk-cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:32px}
.mk-cta h2{font-size:clamp(24px,2.8vw,34px);font-weight:700;letter-spacing:-.01em;line-height:1.32;max-width:620px}
.mk-cta p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.7)}
.mk-cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:18px}
.mk-cta .mk-text-link{color:#fff}
.mk-cta .mk-text-link:hover{color:var(--mk-accent)}

/* ============ 页脚 ============ */
.mk-footer{background:var(--mk-ink);color:rgba(255,255,255,.72);padding:64px 0 28px;border-top:1px solid rgba(255,255,255,.12)}
.mk-footer-top{display:grid;grid-template-columns:minmax(0,1.4fr) repeat(3,minmax(0,1fr));gap:48px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.12)}
.mk-footer .mk-logo-top{color:#fff}
.mk-footer .mk-logo-bottom{color:rgba(255,255,255,.6)}
.mk-footer-brand p{margin-top:18px;font-size:14px;line-height:1.85;max-width:340px;color:rgba(255,255,255,.6)}
.mk-footer h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:.04em}
.mk-footer-links{display:flex;flex-direction:column;gap:11px}
.mk-footer-links a{font-size:14px;color:rgba(255,255,255,.68)}
.mk-footer-links a:hover{color:var(--mk-accent)}
.mk-footer-meta li{font-size:14px;color:rgba(255,255,255,.6);margin-bottom:11px}
.mk-footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding-top:24px;font-size:13px;color:rgba(255,255,255,.5)}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .mk-cat-grid{grid-template-columns:200px minmax(0,1fr);gap:44px}
  .mk-cat-hero-inner{gap:36px}
}
@media (max-width:1023px){
  .mk-container,.mk-container-wide{padding:0 24px}
  .mk-nav-desktop{display:none}
  .mk-header-cta{display:none}
  .mk-burger{display:flex;margin-left:auto}
  .mk-header-inner{flex-wrap:wrap;gap:12px;padding-top:14px;padding-bottom:14px;min-height:auto}
  .mk-search{order:3;flex-basis:100%;max-width:none;height:48px}
  .mk-cat-hero-inner{grid-template-columns:1fr;padding:36px 0 44px;min-height:0}
  .mk-cat-hero-media{aspect-ratio:16/9;margin-top:8px}
  .mk-check-grid{grid-template-columns:repeat(2,1fr);gap:32px 0}
  .mk-check-item:nth-child(3){border-left:0;padding-left:0}
  .mk-cat-grid{grid-template-columns:1fr;gap:0}
  .mk-side-index{position:static;margin-bottom:40px}
  .mk-side-index ol{display:flex;flex-wrap:wrap;border-top:0;gap:10px}
  .mk-side-index li{border-bottom:0}
  .mk-side-index a{padding:8px 14px;border:1px solid var(--mk-line);border-radius:999px;background:var(--mk-surface)}
  .mk-side-index a::before{display:none}
  .mk-side-index a.is-current{border-color:var(--mk-ink)}
  .mk-faq-layout{grid-template-columns:1fr;gap:36px}
  .mk-footer-top{grid-template-columns:repeat(2,minmax(0,1fr));gap:36px}
}
@media (max-width:767px){
  body{font-size:16px;line-height:1.85}
  .mk-container,.mk-container-wide{padding:0 18px}
  .mk-header-inner{padding-top:12px;padding-bottom:12px}
  .mk-logo-top{font-size:15px}
  .mk-logo-bottom{font-size:10px}
  .mk-cat-hero h1{font-size:clamp(26px,7vw,34px)}
  .mk-cat-hero-sub{font-size:15.5px}
  .mk-check-grid{grid-template-columns:1fr}
  .mk-check-item{border-left:0;padding:0;border-top:1px solid rgba(255,255,255,.12);padding-top:24px}
  .mk-check-item:first-child{border-top:0;padding-top:0}
  .mk-sec-head{flex-direction:column;align-items:flex-start;gap:10px}
  .mk-faq-list .accordion-title{font-size:16px;padding-right:34px}
  .mk-faq-list .accordion-content{padding-left:16px;padding-right:8px}
  .mk-cta-inner{flex-direction:column;align-items:flex-start}
  .mk-cta-actions{width:100%}
  .mk-cta-actions .mk-btn{width:100%}
  .mk-footer-top{grid-template-columns:1fr;gap:32px}
  .mk-footer{padding-top:48px}
}
@media (max-width:519px){
  .mk-hero-actions{flex-direction:column;align-items:stretch;gap:14px}
  .mk-hero-actions .mk-btn{width:100%}
  .mk-figure{aspect-ratio:4/3}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category2 */
:root{
  --mk-ink:#14171A;
  --mk-ink-soft:#2A3035;
  --mk-accent:#C9F24D;
  --mk-deep:#0F3B33;
  --mk-bg:#F6F5F1;
  --mk-surface:#FFFFFF;
  --mk-line:#E5E2DA;
  --mk-text:#1B1F23;
  --mk-text-2:#6E767C;
  --mk-text-3:#9AA1A7;
  --mk-warn:#E4622E;
  --mk-radius:16px;
  --mk-radius-sm:12px;
  --mk-shadow:0 12px 32px rgba(20,23,26,.10);
  --mk-ease:cubic-bezier(.2,.7,.3,1);
  --mk-gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:170px;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:'Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.88;
  color:var(--mk-text);
  background:var(--mk-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
h1,h2,h3,h4{margin:0;line-height:1.28;font-weight:700;color:var(--mk-ink);letter-spacing:-.01em;}
ul,ol{margin:0;padding:0;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input,textarea,select{font:inherit;}
.mk-num{font-family:'Inter','Helvetica Neue',Arial,sans-serif;font-variant-numeric:tabular-nums;}

/* ---------- 容器 ---------- */
.mk-container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.mk-container-wide{width:100%;max-width:1320px;margin:0 auto;padding:0 32px;}

/* ---------- 可访问性 ---------- */
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--mk-accent);
  outline-offset:2px;
  border-radius:4px;
}
.mk-sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}

/* ---------- Header ---------- */
.mk-header{
  position:sticky;top:0;z-index:80;
  background:rgba(246,245,241,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .22s var(--mk-ease),background .22s var(--mk-ease);
}
.mk-header.is-scrolled{border-bottom-color:var(--mk-line);background:var(--mk-bg);}
.mk-header-inner{display:flex;align-items:center;gap:20px;height:88px;}
.mk-logo{display:flex;flex-direction:column;flex:0 0 auto;line-height:1.05;}
.mk-logo-top{
  font-family:'Inter','Helvetica Neue',Arial,sans-serif;
  font-size:19px;font-weight:800;letter-spacing:.2em;color:var(--mk-ink);
}
.mk-logo-bottom{font-size:11px;font-weight:600;letter-spacing:.28em;color:var(--mk-text-2);margin-top:4px;}
.mk-search{position:relative;display:flex;align-items:center;flex:1 1 auto;max-width:520px;}
.mk-search input{
  width:100%;height:46px;padding:0 20px 0 46px;
  border:1px solid var(--mk-line);border-radius:999px;
  background:var(--mk-surface);color:var(--mk-text);font-size:14px;
  transition:border-color .22s var(--mk-ease),box-shadow .22s var(--mk-ease);
  -webkit-appearance:none;appearance:none;
}
.mk-search input::placeholder{color:var(--mk-text-3);}
.mk-search input:focus{outline:none;border-color:var(--mk-accent);box-shadow:0 0 0 3px rgba(201,242,77,.35);}
.mk-search-icon{
  position:absolute;left:16px;width:18px;height:18px;
  fill:none;stroke:var(--mk-text-2);stroke-width:1.7;stroke-linecap:round;
}
.mk-nav-desktop{display:flex;align-items:center;gap:22px;margin-left:auto;}
.mk-nav-desktop a{
  position:relative;padding:8px 0;font-size:14px;font-weight:600;
  color:var(--mk-text-2);white-space:nowrap;
  transition:color .2s var(--mk-ease);
}
.mk-nav-desktop a::after{
  content:"";position:absolute;left:0;bottom:2px;width:100%;height:2px;
  background:var(--mk-accent);transform:scaleX(0);transform-origin:left;
  transition:transform .22s var(--mk-ease);
}
.mk-nav-desktop a:hover{color:var(--mk-ink);}
.mk-nav-desktop a:hover::after{transform:scaleX(1);}
.mk-nav-desktop a.is-active{color:var(--mk-ink);font-weight:700;}
.mk-nav-desktop a.is-active::before{
  content:"";position:absolute;left:0;top:0;width:100%;height:2px;background:var(--mk-ink);
}
.mk-burger{
  display:none;width:44px;height:44px;margin-left:auto;border-radius:12px;
  border:1px solid var(--mk-line);background:var(--mk-surface);
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
  transition:border-color .2s var(--mk-ease);
}
.mk-burger:hover{border-color:var(--mk-accent);}
.mk-burger span{display:block;width:18px;height:2px;background:var(--mk-ink);border-radius:2px;transition:transform .22s var(--mk-ease),opacity .22s var(--mk-ease);}
.mk-burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.mk-burger[aria-expanded="true"] span:nth-child(2){opacity:0;}
.mk-burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- 按钮 ---------- */
.mk-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;border:1px solid transparent;font-weight:700;
  white-space:nowrap;cursor:pointer;
  transition:background-color .22s var(--mk-ease),color .22s var(--mk-ease),border-color .22s var(--mk-ease),transform .22s var(--mk-ease);
}
.mk-btn-primary{background:var(--mk-ink);color:#fff;padding:14px 28px;font-size:15px;}
.mk-btn-primary:hover{background:var(--mk-accent);color:var(--mk-ink);}
.mk-btn-primary:active{transform:translateY(1px);}
.mk-btn-accent{background:var(--mk-accent);color:var(--mk-ink);padding:14px 28px;font-size:15px;}
.mk-btn-accent:hover{background:var(--mk-surface);color:var(--mk-ink);}
.mk-btn-ghost{background:transparent;border-color:var(--mk-ink);color:var(--mk-ink);padding:13px 26px;font-size:15px;}
.mk-btn-ghost:hover{border-color:var(--mk-accent);background:rgba(201,242,77,.16);}
.mk-btn-sm{padding:11px 20px;font-size:14px;}
.mk-btn-text{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--mk-ink);font-size:15px;}
.mk-btn-text svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;transition:transform .22s var(--mk-ease);}
.mk-btn-text:hover svg{transform:translateX(4px);}

/* ---------- 抽屉 ---------- */
.mk-drawer{
  position:fixed;inset:0;z-index:100;background:var(--mk-bg);
  padding:24px 22px 40px;overflow-y:auto;
  transform:translateX(100%);visibility:hidden;
  transition:transform .26s var(--mk-ease),visibility .26s;
}
.mk-drawer.is-open{transform:translateX(0);visibility:visible;}
.mk-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.mk-drawer-close{width:42px;height:42px;border:1px solid var(--mk-line);border-radius:12px;background:var(--mk-surface);font-size:20px;line-height:1;color:var(--mk-ink);}
.mk-drawer-close:hover{border-color:var(--mk-accent);}
.mk-drawer .mk-search{max-width:none;margin-bottom:24px;}
.mk-drawer-nav{display:flex;flex-direction:column;border-top:1px solid var(--mk-line);}
.mk-drawer-nav a{
  padding:16px 4px;border-bottom:1px solid var(--mk-line);
  font-size:16px;font-weight:600;color:var(--mk-text-2);
  display:flex;align-items:center;justify-content:space-between;
}
.mk-drawer-nav a:hover{color:var(--mk-ink);}
.mk-drawer-nav a.is-active{color:var(--mk-ink);font-weight:700;box-shadow:inset 3px 0 0 var(--mk-accent);padding-left:14px;}
.mk-drawer-cta{margin-top:28px;width:100%;}

/* ---------- Hero ---------- */
.mk-hero-narrow{padding:44px 0 56px;border-bottom:1px solid var(--mk-line);}
.mk-hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.mk-breadcrumb{
  list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  margin:0 0 22px;font-size:12.5px;color:var(--mk-text-3);
}
.mk-breadcrumb li{display:flex;align-items:center;gap:8px;}
.mk-breadcrumb li+li::before{content:"/";color:var(--mk-text-3);}
.mk-breadcrumb a:hover{color:var(--mk-ink);}
.mk-breadcrumb [aria-current="page"]{color:var(--mk-text-2);}
.mk-badge{
  display:inline-flex;align-items:center;gap:6px;
  background:#EFEDE7;color:var(--mk-ink);
  font-size:12px;font-weight:600;padding:6px 14px;border-radius:999px;
}
.mk-hero-narrow h1{
  font-size:clamp(30px,3.9vw,48px);font-weight:800;letter-spacing:-.02em;
  margin:18px 0 16px;max-width:15em;
}
.mk-hero-sub{font-size:16.5px;color:var(--mk-text-2);max-width:30em;margin:0 0 28px;}
.mk-hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:18px;}
.mk-hero-media{position:relative;}
.mk-hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--mk-radius);border:1px solid var(--mk-line);}
.mk-hero-float{
  position:absolute;left:-18px;bottom:22px;
  background:var(--mk-ink);color:#fff;border-radius:14px;
  padding:14px 20px;display:flex;flex-direction:column;gap:2px;
  box-shadow:var(--mk-shadow);
}
.mk-hero-float b{font-family:'Inter',sans-serif;font-size:24px;font-weight:800;color:var(--mk-accent);line-height:1.1;}
.mk-hero-float span{font-size:12px;color:rgba(255,255,255,.72);letter-spacing:.06em;}

/* ---------- 锚点条 ---------- */
.mk-anchor-bar{
  position:sticky;top:88px;z-index:50;
  background:var(--mk-bg);border-bottom:1px solid var(--mk-line);
}
.mk-anchor-scroll{
  display:flex;gap:10px;overflow-x:auto;padding:14px 0;
  scrollbar-width:none;-ms-overflow-style:none;
}
.mk-anchor-scroll::-webkit-scrollbar{display:none;}
.mk-anchor{
  flex:0 0 auto;padding:8px 18px;border-radius:999px;
  border:1px solid var(--mk-line);background:var(--mk-surface);
  font-size:13.5px;font-weight:600;color:var(--mk-text-2);
  transition:border-color .2s var(--mk-ease),color .2s var(--mk-ease),background-color .2s var(--mk-ease);
}
.mk-anchor:hover{border-color:var(--mk-accent);color:var(--mk-ink);}
.mk-anchor.is-current{background:var(--mk-ink);border-color:var(--mk-ink);color:#fff;}

/* ---------- 板块头 ---------- */
.mk-section{padding:clamp(56px,6.5vw,92px) 0;}
.mk-section-tight{padding:clamp(48px,5vw,72px) 0;}
.mk-sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;flex-wrap:wrap;margin-bottom:40px;
}
.mk-label{
  display:block;font-size:12px;font-weight:700;letter-spacing:.16em;
  color:var(--mk-deep);text-transform:uppercase;
}
.mk-sec-head h2{font-size:clamp(25px,2.9vw,36px);margin-top:10px;}
.mk-sec-desc{margin-top:12px;color:var(--mk-text-2);font-size:15.5px;max-width:44em;}

/* ---------- 问答瀑布 ---------- */
.mk-qa-flow{column-count:2;column-gap:20px;}
.mk-qa-flow > *{break-inside:avoid;-webkit-column-break-inside:avoid;}
.mk-qa-head{
  display:flex;align-items:center;gap:12px;
  margin:6px 0 16px;padding-left:14px;border-left:3px solid var(--mk-accent);
}
.mk-qa-head h3{font-size:19px;}
.mk-qa-head .mk-qa-idx{
  font-family:'Inter',sans-serif;font-size:12px;font-weight:800;
  letter-spacing:.16em;color:var(--mk-text-3);
}
.mk-qa-card{
  display:inline-block;width:100%;margin-bottom:20px;
  background:var(--mk-surface);border:1px solid var(--mk-line);
  border-radius:var(--mk-radius);padding:24px 26px;
  transition:transform .22s var(--mk-ease),box-shadow .22s var(--mk-ease),border-color .22s var(--mk-ease);
}
.mk-qa-card:hover{transform:translateY(-4px);border-color:var(--mk-accent);box-shadow:var(--mk-shadow);}
.mk-qa-q{
  display:flex;gap:10px;font-size:17px;font-weight:700;line-height:1.62;
  color:var(--mk-ink);margin:0 0 12px;
}
.mk-qa-q::before{
  content:"Q";flex:0 0 auto;
  font-family:'Inter',sans-serif;font-size:13px;font-weight:800;
  color:var(--mk-deep);padding-top:4px;letter-spacing:.04em;
}
.mk-qa-a{margin:0;font-size:14.5px;line-height:1.82;color:var(--mk-text-2);}
.mk-qa-tag{
  display:inline-block;margin-top:14px;padding:4px 12px;border-radius:999px;
  background:#F1EFE9;color:var(--mk-text-2);font-size:12px;font-weight:600;
}

/* ---------- 分节规则行 ---------- */
.mk-rule-list{border-top:1px solid var(--mk-line);}
.mk-rule-row{
  display:grid;grid-template-columns:240px 1fr;gap:44px;
  padding:36px 0;border-bottom:1px solid var(--mk-line);
}
.mk-rule-row h3{font-size:21px;margin-bottom:8px;}
.mk-rule-row .mk-rule-num{
  font-family:'Inter',sans-serif;font-size:12px;font-weight:800;
  letter-spacing:.16em;color:var(--mk-deep);
}
.mk-rule-desc{color:var(--mk-text-2);font-size:15px;margin:0;}
.mk-points{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:12px 28px;margin-top:18px;}
.mk-points li{
  position:relative;padding-left:22px;font-size:14.5px;color:var(--mk-text-2);line-height:1.75;
}
.mk-points li::before{
  content:"";position:absolute;left:0;top:11px;width:6px;height:6px;
  background:var(--mk-accent);border-radius:1px;
}
.mk-figure{margin:22px 0 0;max-width:560px;}
.mk-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--mk-radius-sm);border:1px solid var(--mk-line);}
.mk-figure figcaption{font-size:13px;color:var(--mk-text-3);margin-top:10px;text-align:center;}

/* ---------- 对照区 ---------- */
.mk-compare{background:var(--mk-surface);border-top:1px solid var(--mk-line);border-bottom:1px solid var(--mk-line);}
.mk-compare-head{
  display:grid;grid-template-columns:1.05fr 1.35fr;gap:32px;
  padding:18px 0;font-size:12px;font-weight:700;letter-spacing:.12em;
  color:var(--mk-text-3);
}
.mk-compare-row{
  display:grid;grid-template-columns:1.05fr 1.35fr;gap:32px;
  align-items:center;padding:24px 0;border-top:1px solid var(--mk-line);
}
.mk-compare-old,.mk-compare-new{display:flex;gap:14px;align-items:flex-start;font-size:14.5px;line-height:1.75;}
.mk-compare-old{color:var(--mk-text-2);}
.mk-compare-new{color:var(--mk-ink);font-weight:600;}
.mk-compare-old::before{content:"";flex:0 0 auto;width:3px;height:38px;background:#D9D5CC;border-radius:999px;}
.mk-compare-new::before{content:"";flex:0 0 auto;width:3px;height:38px;background:var(--mk-accent);border-radius:999px;}

/* ---------- CTA 窄条 ---------- */
.mk-cta-band{background:var(--mk-deep);color:#fff;padding:52px 0;}
.mk-cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.mk-cta-band h2{color:#fff;font-size:clamp(24px,2.6vw,32px);}
.mk-cta-band p{color:rgba(255,255,255,.74);font-size:15px;margin:12px 0 0;max-width:38em;}
.mk-cta-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap;}
.mk-cta-band .mk-btn-text{color:#fff;}
.mk-cta-band .mk-btn-text:hover{color:var(--mk-accent);}

/* ---------- Footer ---------- */
.mk-footer{background:var(--mk-ink);color:#fff;padding:72px 0 32px;}
.mk-footer-top{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
  padding-top:32px;border-top:1px solid rgba(255,255,255,.12);
}
.mk-footer .mk-logo-top{color:#fff;}
.mk-footer .mk-logo-bottom{color:rgba(255,255,255,.56);}
.mk-footer-brand p{color:rgba(255,255,255,.62);font-size:14px;line-height:1.8;margin:16px 0 0;max-width:340px;}
.mk-footer h4{font-size:13px;font-weight:700;letter-spacing:.14em;color:#fff;margin:0 0 18px;}
.mk-footer-links{display:flex;flex-direction:column;gap:12px;}
.mk-footer-links a{color:rgba(255,255,255,.7);font-size:14px;transition:color .2s var(--mk-ease);}
.mk-footer-links a:hover{color:var(--mk-accent);}
.mk-footer-meta{list-style:none;display:grid;gap:12px;color:rgba(255,255,255,.62);font-size:14px;line-height:1.7;}
.mk-footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:56px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .mk-nav-desktop{display:none;}
  .mk-burger{display:flex;}
  .mk-header-cta{display:none;}
  .mk-hero-grid{grid-template-columns:1fr;gap:36px;}
  .mk-hero-media{max-width:520px;}
  .mk-footer-top{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (min-width:1280px){
  .mk-burger{display:none;}
  .mk-drawer{display:none;}
}
@media (max-width:1023px){
  .mk-container,.mk-container-wide{padding:0 24px;}
  .mk-qa-flow{column-count:1;}
  .mk-rule-row{grid-template-columns:1fr;gap:18px;padding:30px 0;}
  .mk-points{grid-template-columns:1fr;}
  .mk-compare-head{display:none;}
  .mk-compare-row{grid-template-columns:1fr;gap:14px;}
  .mk-anchor-bar{position:static;}
  html{scroll-padding-top:110px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .mk-container,.mk-container-wide{padding:0 18px;}
  .mk-header-inner{height:auto;flex-wrap:wrap;padding:12px 0;gap:12px;}
  .mk-logo{margin-right:auto;}
  .mk-search{order:3;flex:1 1 100%;max-width:none;}
  .mk-search input{height:48px;}
  .mk-hero-narrow{padding:28px 0 44px;}
  .mk-hero-float{left:12px;bottom:12px;padding:12px 16px;}
  .mk-qa-card{padding:20px;}
  .mk-section{padding:64px 0;}
  .mk-cta-band{padding:44px 0;}
  .mk-cta-actions{width:100%;}
  .mk-cta-actions .mk-btn{width:100%;}
  .mk-footer{padding:56px 0 28px;}
  .mk-footer-top{grid-template-columns:1fr;gap:32px;}
  .mk-footer-bottom{flex-direction:column;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category3 */
:root{
  --mk-ink:#14171A;
  --mk-ink-soft:#2A3035;
  --mk-accent:#C9F24D;
  --mk-deep:#0F3B33;
  --mk-bg:#F6F5F1;
  --mk-surface:#FFFFFF;
  --mk-line:#E5E2DA;
  --mk-text:#1B1F23;
  --mk-text-2:#6E767C;
  --mk-text-3:#9AA1A7;
  --mk-warn:#E4622E;
  --mk-radius:16px;
  --mk-radius-sm:12px;
  --mk-shadow:0 12px 32px rgba(20,23,26,.10);
  --mk-t:200ms cubic-bezier(.2,.7,.3,1);
  --mk-max:1200px;
  --mk-max-wide:1320px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.88;
  color:var(--mk-text);
  background:var(--mk-bg);
  font-weight:400;
}
h1,h2,h3,h4,h5,p,figure,blockquote{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;height:auto;display:block}
a{color:var(--mk-ink);text-decoration:none;transition:color var(--mk-t),border-color var(--mk-t),background-color var(--mk-t)}
a:hover{color:var(--mk-ink)}
button{font:inherit}
input,select,textarea{font:inherit}
:focus-visible{outline:2px solid var(--mk-accent);outline-offset:2px}

.mk-num{font-family:'Inter','Helvetica Neue',sans-serif;font-variant-numeric:tabular-nums}

.mk-container{width:100%;max-width:var(--mk-max);margin:0 auto;padding:0 32px}
.mk-container-wide{width:100%;max-width:var(--mk-max-wide);margin:0 auto;padding:0 32px}

/* ---------- Header ---------- */
.mk-header{
  position:sticky;top:0;z-index:60;
  background:var(--mk-surface);
  border-bottom:1px solid transparent;
  transition:background var(--mk-t),border-color var(--mk-t);
}
.mk-header.is-scrolled{background:var(--mk-bg);border-bottom-color:var(--mk-line)}
.mk-header-inner{display:flex;align-items:center;gap:22px;height:88px}
.mk-logo{display:flex;flex-direction:column;line-height:1.15;flex:0 0 auto}
.mk-logo-top{font-family:'Inter','Helvetica Neue',sans-serif;font-size:19px;font-weight:800;letter-spacing:.22em;color:var(--mk-ink)}
.mk-logo-bottom{font-size:11.5px;font-weight:600;letter-spacing:.28em;color:var(--mk-text-2);margin-top:2px}

.mk-search{position:relative;flex:1 1 240px;max-width:520px;display:flex;align-items:center;margin:0}
.mk-search input{
  width:100%;height:46px;border-radius:999px;border:1px solid var(--mk-line);
  background:#fff;padding:0 20px 0 46px;font-size:14.5px;color:var(--mk-text);
  transition:border-color var(--mk-t),box-shadow var(--mk-t);
  -webkit-appearance:none;appearance:none;
}
.mk-search input::placeholder{color:var(--mk-text-3)}
.mk-search input:focus{outline:none;border-color:var(--mk-accent);box-shadow:0 0 0 3px rgba(201,242,77,.35)}
.mk-search-icon{
  position:absolute;left:17px;top:50%;transform:translateY(-50%);
  width:18px;height:18px;stroke:var(--mk-text-3);fill:none;
  stroke-width:1.8;stroke-linecap:round;pointer-events:none;
}

.mk-nav-desktop{display:flex;align-items:center;gap:18px;margin-left:auto}
.mk-nav-desktop a{
  position:relative;font-size:13.5px;font-weight:600;color:var(--mk-text-2);
  padding:8px 0;white-space:nowrap;
}
.mk-nav-desktop a::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;
  background:var(--mk-accent);border-radius:2px;transform:scaleX(0);
  transform-origin:left;transition:transform var(--mk-t);
}
.mk-nav-desktop a:hover{color:var(--mk-ink)}
.mk-nav-desktop a:hover::after{transform:scaleX(1)}
.mk-nav-desktop a.is-active{color:var(--mk-ink);font-weight:800}
.mk-nav-desktop a.is-active::before{
  content:"";position:absolute;left:0;right:0;top:-2px;height:2px;
  background:var(--mk-ink);border-radius:2px;
}
.mk-nav-desktop a.is-active::after{transform:scaleX(1)}

.mk-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  border:1px solid transparent;border-radius:999px;padding:14px 28px;
  font-size:14.5px;font-weight:700;line-height:1;cursor:pointer;
  transition:background-color var(--mk-t),color var(--mk-t),border-color var(--mk-t),transform var(--mk-t);
}
.mk-btn i{transition:transform var(--mk-t)}
.mk-btn:hover i{transform:translateX(4px)}
.mk-btn-primary{background:var(--mk-ink);color:#fff}
.mk-btn-primary:hover{background:var(--mk-accent);color:var(--mk-ink)}
.mk-btn-accent{background:var(--mk-accent);color:var(--mk-ink)}
.mk-btn-accent:hover{background:#fff;color:var(--mk-ink)}
.mk-btn-ghost{background:transparent;border-color:var(--mk-ink);color:var(--mk-ink)}
.mk-btn-ghost:hover{border-color:var(--mk-accent);background:rgba(201,242,77,.18)}
.mk-btn-sm{padding:11px 22px;font-size:13.5px}
.mk-header-cta{margin-left:4px}
.mk-btn-block{width:100%}

.mk-link-arrow{
  display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:700;color:var(--mk-ink);
}
.mk-link-arrow i{font-size:12px;transition:transform var(--mk-t)}
.mk-link-arrow:hover i{transform:translateX(4px)}

.mk-burger{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;border:1px solid var(--mk-line);border-radius:999px;
  background:#fff;cursor:pointer;margin-left:auto;
}
.mk-burger span{display:block;width:18px;height:2px;background:var(--mk-ink);margin:0 auto;border-radius:2px}

.mk-scrim{
  position:fixed;inset:0;background:rgba(20,23,26,.42);z-index:70;
  opacity:0;visibility:hidden;transition:opacity var(--mk-t),visibility var(--mk-t);
}
.mk-scrim.is-open{opacity:1;visibility:visible}
.mk-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(420px,88vw);
  background:#fff;z-index:80;padding:26px 24px 40px;overflow-y:auto;
  transform:translateX(102%);transition:transform 240ms cubic-bezier(.2,.7,.3,1);
  box-shadow:-20px 0 40px rgba(20,23,26,.12);
}
.mk-drawer.is-open{transform:none}
.mk-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.mk-drawer-close{
  width:38px;height:38px;border-radius:999px;border:1px solid var(--mk-line);
  background:#fff;cursor:pointer;font-size:15px;color:var(--mk-ink);
}
.mk-drawer-nav{display:flex;flex-direction:column;margin:22px 0 26px}
.mk-drawer-nav a{
  padding:15px 2px;border-bottom:1px solid var(--mk-line);
  font-size:15px;font-weight:600;color:var(--mk-text-2);
}
.mk-drawer-nav a.is-active{color:var(--mk-ink);font-weight:800;border-bottom-color:var(--mk-accent)}
.mk-search-drawer{max-width:none;margin-bottom:4px}

/* ---------- 通用板块 ---------- */
.mk-section{padding:clamp(64px,8vw,112px) 0}
.mk-section-alt{background:#fff}
.mk-section-soft{background:#F1EFE9}
.mk-section-dark{background:var(--mk-ink);color:#fff}

.mk-sec-head{max-width:780px;margin-bottom:44px}
.mk-sec-head.row{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;max-width:none}
.mk-sec-no{
  font-family:'Inter','Helvetica Neue',sans-serif;font-size:12px;font-weight:700;
  letter-spacing:.16em;color:var(--mk-text-3);text-transform:uppercase;
}
.mk-sec-title{font-size:clamp(24px,2.8vw,34px);font-weight:700;letter-spacing:-.01em;line-height:1.32;margin-top:12px}
.mk-sec-desc{margin-top:16px;font-size:15.5px;color:var(--mk-text-2);max-width:720px}
.mk-rule{height:1px;background:var(--mk-line);border:0;margin:0}

.mk-h1{font-size:clamp(30px,3.9vw,46px);font-weight:800;letter-spacing:-.02em;line-height:1.24}
.mk-sub{margin-top:18px;font-size:16.5px;color:var(--mk-text-2);max-width:620px}

.mk-tag{
  display:inline-flex;align-items:center;gap:6px;background:#EFEDE7;color:var(--mk-ink);
  font-size:12px;font-weight:600;padding:5px 13px;border-radius:999px;letter-spacing:.04em;
}
.mk-tag-accent{background:var(--mk-accent);color:var(--mk-ink)}
.mk-tag-dark{background:rgba(255,255,255,.1);color:#fff}

/* ---------- 内页 Hero ---------- */
.mk-hero-narrow{padding:44px 0 6px;background:var(--mk-bg)}
.mk-hero-narrow-inner{
  display:grid;grid-template-columns:1.35fr .85fr;gap:48px;align-items:center;
  min-height:340px;padding-bottom:48px;
}
.mk-crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12.5px;color:var(--mk-text-3);margin-bottom:22px}
.mk-crumbs a{color:var(--mk-text-2)}
.mk-crumbs a:hover{color:var(--mk-ink)}
.mk-crumbs .sep{color:var(--mk-text-3)}
.mk-hero-figure{border-radius:var(--mk-radius);overflow:hidden;aspect-ratio:16/10;background:#E9E6DE}
.mk-hero-figure img{width:100%;height:100%;object-fit:cover}
.mk-hero-note{margin-top:22px;display:flex;flex-wrap:wrap;gap:10px}

/* ---------- 对照矩阵 ---------- */
.mk-matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.mk-spec-card{
  background:var(--mk-surface);border:1px solid var(--mk-line);border-radius:var(--mk-radius);
  overflow:hidden;transition:transform var(--mk-t),border-color var(--mk-t),box-shadow var(--mk-t);
}
.mk-spec-card:hover{transform:translateY(-4px);border-color:var(--mk-accent);box-shadow:var(--mk-shadow)}
.mk-spec-head{
  background:var(--mk-ink);color:#fff;padding:18px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.mk-spec-head h3{font-size:17px;font-weight:700;line-height:1.4}
.mk-spec-head .mk-spec-badge{
  font-family:'Inter','Helvetica Neue',sans-serif;font-size:11px;font-weight:700;
  letter-spacing:.14em;color:var(--mk-accent);white-space:nowrap;
}
.mk-spec-body{padding:6px 24px 18px}
.mk-spec-row{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:10px 0;border-bottom:1px dashed var(--mk-line);
}
.mk-spec-body .mk-spec-row:last-child{border-bottom:0}
.mk-spec-k{font-size:13.5px;color:var(--mk-text-2);flex:0 0 auto;white-space:nowrap}
.mk-spec-v{
  font-size:14.5px;font-weight:600;color:var(--mk-text);text-align:right;
  font-variant-numeric:tabular-nums;line-height:1.5;
}
.mk-spec-v.is-good{color:var(--mk-deep)}
.mk-spec-v.is-warn{color:var(--mk-warn)}
.mk-matrix-note{margin-top:28px;font-size:13.5px;color:var(--mk-text-3);display:flex;flex-wrap:wrap;gap:22px}
.mk-legend{display:inline-flex;align-items:center;gap:8px}
.mk-legend i{width:14px;height:4px;border-radius:999px;display:inline-block}
.mk-legend .good{background:var(--mk-deep)}
.mk-legend .warn{background:var(--mk-warn)}

/* ---------- 阶段条形 ---------- */
.mk-stage-table{margin-top:8px}
.mk-stage-head{
  display:grid;grid-template-columns:150px 1fr 240px;gap:24px;align-items:center;
  padding:0 0 14px;border-bottom:1px solid var(--mk-line);
  font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--mk-text-3);
}
.mk-stage-row{
  display:grid;grid-template-columns:150px 1fr 240px;gap:24px;align-items:center;
  padding:22px 0;border-bottom:1px solid var(--mk-line);
}
.mk-stage-name{font-size:16.5px;font-weight:700}
.mk-stage-name span{display:block;font-size:12.5px;font-weight:600;color:var(--mk-text-3);margin-top:2px}
.mk-stage-bars{display:flex;flex-direction:column;gap:8px}
.mk-stage-bar-row{display:flex;align-items:center;gap:12px}
.mk-bar{flex:1 1 auto;height:8px;border-radius:999px;background:#E9E6DE;overflow:hidden}
.mk-bar span{display:block;height:100%;border-radius:999px;background:var(--mk-accent)}
.mk-bar.is-grey span{background:#B9BEBE}
.mk-stage-bar-num{font-family:'Inter','Helvetica Neue',sans-serif;font-size:12.5px;font-weight:700;color:var(--mk-text-2);width:44px;text-align:right}
.mk-stage-advice{font-size:14px;color:var(--mk-text-2);line-height:1.7}

/* ---------- 参数口径 ---------- */
.mk-notes{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--mk-line)}
.mk-note{padding:32px 28px 32px 0;border-right:1px solid var(--mk-line)}
.mk-note:last-child{border-right:0;padding-right:0}
.mk-note .mk-sec-no{margin-bottom:12px;display:block}
.mk-note h3{font-size:19px;font-weight:700;margin-bottom:12px}
.mk-note p{font-size:14.8px;color:var(--mk-text-2)}
.mk-points{margin-top:18px}
.mk-points li{position:relative;padding-left:20px;font-size:14.6px;color:var(--mk-text-2);margin-bottom:10px;line-height:1.75}
.mk-points li::before{
  content:"";position:absolute;left:0;top:10px;width:6px;height:6px;
  background:var(--mk-accent);border-radius:1px;
}

/* ---------- FAQ ---------- */
.mk-faq-wrap{display:grid;grid-template-columns:.85fr 1.5fr;gap:56px;align-items:start}
.mk-faq-side p{font-size:15px;color:var(--mk-text-2);margin-top:16px}
.mk-faq-side .mk-btn{margin-top:26px}
.mk-faq.accordion{background:transparent;border:0;border-radius:0;margin:0}
.mk-faq .accordion-item{border:0;border-top:1px solid var(--mk-line)}
.mk-faq .accordion-item:last-child{border-bottom:1px solid var(--mk-line)}
.mk-faq .accordion-title{
  display:block;position:relative;background:transparent;border:0;
  padding:21px 44px 21px 14px;font-size:17px;font-weight:700;
  color:var(--mk-text);line-height:1.6;transition:color var(--mk-t);
}
.mk-faq .accordion-title:hover,
.mk-faq .accordion-title:focus{background:transparent;color:var(--mk-ink)}
.mk-faq .accordion-title::before{
  content:"+";position:absolute;right:8px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;line-height:1;color:var(--mk-text-2);
}
.mk-faq .accordion-title::after{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;background:var(--mk-accent);border-radius:2px;
  transition:height var(--mk-t);
}
.mk-faq .accordion-item.is-active .accordion-title{color:var(--mk-ink)}
.mk-faq .accordion-item.is-active .accordion-title::before{content:"−";color:var(--mk-ink)}
.mk-faq .accordion-item.is-active .accordion-title::after{height:22px}
.mk-faq .accordion-content{
  background:transparent;border:0;padding:0 44px 24px 14px;
  font-size:15px;line-height:1.85;color:var(--mk-text-2);
}

/* ---------- CTA 窄条 ---------- */
.mk-cta-bar{background:var(--mk-deep);color:#fff;padding:clamp(46px,5vw,70px) 0}
.mk-cta-bar-inner{display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.mk-cta-bar h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;letter-spacing:-.01em;line-height:1.35}
.mk-cta-bar p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.72);max-width:560px}
.mk-cta-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.mk-cta-bar .mk-link-arrow{color:var(--mk-accent)}
.mk-cta-bar .mk-link-arrow:hover{color:#fff}

/* ---------- Footer ---------- */
.mk-footer{background:var(--mk-ink);color:rgba(255,255,255,.72);padding:64px 0 28px;border-top:1px solid rgba(255,255,255,.12)}
.mk-footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px}
.mk-footer .mk-logo-top{color:#fff}
.mk-footer .mk-logo-bottom{color:rgba(255,255,255,.6)}
.mk-footer-brand p{margin-top:18px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:340px}
.mk-footer h4{font-size:13px;font-weight:700;letter-spacing:.12em;color:#fff;margin-bottom:18px}
.mk-footer-links{display:flex;flex-direction:column;gap:12px}
.mk-footer-links a{font-size:14px;color:rgba(255,255,255,.7)}
.mk-footer-links a:hover{color:var(--mk-accent)}
.mk-footer-meta{display:flex;flex-direction:column;gap:12px;font-size:14px;color:rgba(255,255,255,.62)}
.mk-footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .mk-container,.mk-container-wide{padding:0 24px}
  .mk-nav-desktop{gap:14px}
  .mk-nav-desktop a{font-size:13px}
  .mk-header-inner{gap:16px}
  .mk-header-cta{padding:10px 18px;font-size:13px}
  .mk-search{max-width:360px}
}
@media (max-width:1023px){
  .mk-nav-desktop{display:none}
  .mk-header-cta{display:none}
  .mk-burger{display:flex}
  .mk-hero-narrow-inner{grid-template-columns:1fr;gap:32px;min-height:auto;padding-bottom:36px}
  .mk-hero-figure{max-width:620px}
  .mk-matrix{grid-template-columns:1fr;gap:20px}
  .mk-faq-wrap{grid-template-columns:1fr;gap:36px}
  .mk-notes{grid-template-columns:1fr;border-top:0}
  .mk-note{border-right:0;border-top:1px solid var(--mk-line);padding:28px 0}
  .mk-stage-head{display:none}
  .mk-stage-row{grid-template-columns:1fr;gap:14px;padding:24px 0}
  .mk-cta-bar-inner{flex-direction:column;align-items:flex-start}
}
@media (max-width:767px){
  body{font-size:16px}
  .mk-container,.mk-container-wide{padding:0 18px}
  .mk-header-inner{flex-wrap:wrap;height:auto;padding:14px 0;row-gap:12px}
  .mk-logo{order:1}
  .mk-burger{order:2}
  .mk-search{order:3;flex:1 1 100%;max-width:none}
  .mk-section{padding:64px 0}
  .mk-hero-narrow{padding-top:30px}
  .mk-spec-head{padding:16px 20px}
  .mk-spec-body{padding:4px 20px 14px}
  .mk-spec-row{min-height:52px}
  .mk-faq .accordion-title{font-size:16px;padding:18px 40px 18px 12px}
  .mk-faq .accordion-content{padding:0 40px 20px 12px}
  .mk-footer-top{grid-template-columns:1fr;gap:34px}
  .mk-cta-actions{width:100%}
  .mk-cta-actions .mk-btn{width:100%}
  .mk-sec-head.row{flex-direction:column;align-items:flex-start;gap:18px}
}
@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
  .mk-spec-card:hover{transform:none}
}

/* roulang page: category4 */
:root{
  --mk-ink:#14171A;
  --mk-ink-soft:#2A3035;
  --mk-accent:#C9F24D;
  --mk-deep:#0F3B33;
  --mk-bg:#F6F5F1;
  --mk-surface:#FFFFFF;
  --mk-line:#E5E2DA;
  --mk-text:#1B1F23;
  --mk-text-2:#6E767C;
  --mk-text-3:#9AA1A7;
  --mk-warn:#E4622E;
  --mk-sand:#EFEDE7;
  --mk-radius:16px;
  --mk-radius-sm:12px;
  --mk-shadow-hover:0 12px 32px rgba(20,23,26,.10);
  --mk-max:1200px;
  --mk-max-wide:1320px;
  --mk-ease:cubic-bezier(.2,.7,.3,1);
  --mk-dur:220ms;
  --mk-font:'Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,-apple-system,sans-serif;
  --mk-font-num:'Inter','Helvetica Neue',Helvetica,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--mk-bg);
  color:var(--mk-text);
  font-family:var(--mk-font);
  font-size:16.5px;
  line-height:1.88;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;background:transparent}
a:hover,a:focus{color:inherit}
button{font-family:inherit;font-size:inherit;line-height:inherit;margin:0}
input,textarea,select{font-family:inherit;font-size:inherit;margin:0}
:focus-visible{outline:2px solid var(--mk-accent);outline-offset:2px}
body.mk-lock{overflow:hidden}
::selection{background:var(--mk-accent);color:var(--mk-ink)}

.mk-container{width:100%;max-width:var(--mk-max);margin:0 auto;padding:0 32px}
.mk-container-wide{width:100%;max-width:var(--mk-max-wide);margin:0 auto;padding:0 32px}

/* ---------- Header ---------- */
.mk-header{
  position:sticky;top:0;z-index:80;
  background:rgba(246,245,241,.88);
  -webkit-backdrop-filter:saturate(160%) blur(12px);
  backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid transparent;
  transition:border-color var(--mk-dur) var(--mk-ease),background var(--mk-dur) var(--mk-ease);
}
.mk-header.is-scrolled{border-bottom-color:var(--mk-line);background:rgba(246,245,241,.97)}
.mk-header-inner{display:flex;align-items:center;gap:22px;min-height:88px}
.mk-logo{display:flex;flex-direction:column;line-height:1;flex-shrink:0;padding:4px 0}
.mk-logo-top{font-family:var(--mk-font-num);font-size:17px;font-weight:800;letter-spacing:.22em;color:var(--mk-ink)}
.mk-logo-bottom{font-size:11px;font-weight:600;letter-spacing:.18em;color:var(--mk-text-2);margin-top:5px}

.mk-search{position:relative;flex:1 1 300px;max-width:520px;min-width:180px}
.mk-search-icon{
  position:absolute;left:16px;top:50%;transform:translateY(-50%);
  width:18px;height:18px;fill:none;stroke:var(--mk-text-3);stroke-width:1.8;
  stroke-linecap:round;pointer-events:none
}
.mk-search input[type="search"]{
  width:100%;height:44px;border-radius:999px;border:1px solid var(--mk-line);
  background:var(--mk-surface);padding:0 18px 0 44px;font-size:14px;color:var(--mk-text);
  appearance:none;-webkit-appearance:none;margin:0;
  transition:border-color var(--mk-dur) var(--mk-ease),box-shadow var(--mk-dur) var(--mk-ease)
}
.mk-search input[type="search"]::placeholder{color:var(--mk-text-3)}
.mk-search input[type="search"]:focus{
  outline:none;border-color:var(--mk-accent);box-shadow:0 0 0 3px rgba(201,242,77,.35)
}

.mk-nav-desktop{display:flex;align-items:center;gap:22px;flex-shrink:0}
.mk-nav-desktop a{
  position:relative;font-size:14px;font-weight:600;color:var(--mk-text-2);
  padding:6px 0;white-space:nowrap;transition:color var(--mk-dur) var(--mk-ease)
}
.mk-nav-desktop a::after{
  content:'';position:absolute;left:0;bottom:0;width:0;height:2px;
  background:var(--mk-accent);transition:width var(--mk-dur) var(--mk-ease)
}
.mk-nav-desktop a:hover{color:var(--mk-ink)}
.mk-nav-desktop a:hover::after{width:100%}
.mk-nav-desktop a.is-active{color:var(--mk-ink);font-weight:700}
.mk-nav-desktop a.is-active::before{
  content:'';position:absolute;left:0;top:-6px;width:100%;height:2px;background:var(--mk-accent)
}
.mk-nav-desktop a.is-active::after{width:0}

.mk-burger{
  display:none;flex-direction:column;justify-content:center;align-items:center;gap:5px;
  width:44px;height:44px;border-radius:12px;border:1px solid var(--mk-line);
  background:var(--mk-surface);cursor:pointer;flex-shrink:0;
  transition:border-color var(--mk-dur) var(--mk-ease)
}
.mk-burger span{display:block;width:18px;height:2px;background:var(--mk-ink);border-radius:2px}
.mk-burger:hover{border-color:var(--mk-accent)}

/* ---------- Buttons ---------- */
.mk-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  border-radius:999px;padding:14px 28px;font-size:15px;font-weight:700;line-height:1;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:background var(--mk-dur) var(--mk-ease),color var(--mk-dur) var(--mk-ease),
             border-color var(--mk-dur) var(--mk-ease),transform var(--mk-dur) var(--mk-ease)
}
.mk-btn-primary{background:var(--mk-ink);color:#fff;border-color:var(--mk-ink)}
.mk-btn-primary:hover,.mk-btn-primary:focus-visible{background:var(--mk-accent);color:var(--mk-ink);border-color:var(--mk-accent)}
.mk-btn-accent{background:var(--mk-accent);color:var(--mk-ink);border-color:var(--mk-accent)}
.mk-btn-accent:hover,.mk-btn-accent:focus-visible{background:#fff;color:var(--mk-ink);border-color:#fff}
.mk-btn-ghost{background:transparent;color:var(--mk-ink);border-color:var(--mk-ink)}
.mk-btn-ghost:hover,.mk-btn-ghost:focus-visible{border-color:var(--mk-accent);background:rgba(201,242,77,.18)}
.mk-btn-sm{padding:11px 20px;font-size:13.5px}
.mk-btn:active{transform:translateY(1px)}
.mk-btn-text{
  display:inline-flex;align-items:center;font-size:14.5px;font-weight:700;color:var(--mk-ink);
  padding:4px 0;background:none;border:0;cursor:pointer
}
.mk-btn-text::after{content:'→';margin-left:8px;transition:transform var(--mk-dur) var(--mk-ease)}
.mk-btn-text:hover::after,.mk-btn-text:focus-visible::after{transform:translateX(4px)}

/* ---------- Drawer ---------- */
.mk-drawer{
  position:fixed;inset:0;z-index:120;background:var(--mk-bg);
  padding:20px 18px 40px;transform:translateX(102%);overflow-y:auto;
  transition:transform 240ms var(--mk-ease)
}
.mk-drawer.is-open{transform:translateX(0)}
.mk-drawer-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:22px}
.mk-drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--mk-line);
  background:var(--mk-surface);color:var(--mk-ink);font-size:22px;line-height:1;cursor:pointer
}
.mk-drawer .mk-search{max-width:none;flex:0 0 auto;width:100%;margin-bottom:26px}
.mk-drawer-nav{display:flex;flex-direction:column;border-top:1px solid var(--mk-line)}
.mk-drawer-nav a{
  padding:18px 4px;font-size:16px;font-weight:600;color:var(--mk-text-2);
  border-bottom:1px solid var(--mk-line)
}
.mk-drawer-nav a.is-active{color:var(--mk-ink);font-weight:700;box-shadow:inset 3px 0 0 var(--mk-accent);padding-left:14px}
.mk-drawer-cta{margin-top:28px;width:100%}

/* ---------- Hero ---------- */
.mk-cat-hero{padding:34px 0 60px;background:var(--mk-bg);border-bottom:1px solid var(--mk-line)}
.mk-breadcrumb{margin-bottom:28px}
.mk-breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;font-size:12.5px;color:var(--mk-text-3)}
.mk-breadcrumb li{display:flex;align-items:center}
.mk-breadcrumb li+li::before{content:'/';margin:0 10px;color:var(--mk-line)}
.mk-breadcrumb a{color:var(--mk-text-2)}
.mk-breadcrumb a:hover{color:var(--mk-ink)}
.mk-breadcrumb [aria-current="page"]{color:var(--mk-ink);font-weight:600}
.mk-hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.mk-tag{
  display:inline-block;background:var(--mk-sand);color:var(--mk-ink);
  font-size:12px;font-weight:600;letter-spacing:.08em;border-radius:999px;padding:7px 14px
}
.mk-hero-copy h1{
  margin:20px 0 16px;font-size:clamp(30px,4vw,46px);font-weight:800;
  letter-spacing:-.02em;line-height:1.2;color:var(--mk-ink)
}
.mk-hero-sub{font-size:17px;color:var(--mk-text-2);max-width:34em}
.mk-hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:22px;margin-top:32px}
.mk-hero-media{position:relative}
.mk-hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--mk-radius);border:1px solid var(--mk-line)}

/* ---------- Sections ---------- */
.mk-section{padding:clamp(64px,8vw,112px) 0}
.mk-section-surface{background:var(--mk-surface)}
.mk-sec-rule{height:1px;background:var(--mk-line);margin-bottom:26px}
.mk-eyebrow{
  display:inline-flex;align-items:center;gap:10px;font-size:12px;font-weight:700;
  letter-spacing:.16em;color:var(--mk-text-3);text-transform:uppercase
}
.mk-eyebrow::before{content:'';display:block;width:16px;height:2px;background:var(--mk-accent)}
.mk-sec-head{max-width:760px;margin-bottom:48px}
.mk-sec-head h2{margin:14px 0 14px;font-size:clamp(26px,3vw,38px);font-weight:700;letter-spacing:-.015em;line-height:1.25;color:var(--mk-ink)}
.mk-sec-head p{color:var(--mk-text-2);font-size:16px}
.mk-sec-head-wide{max-width:none;display:flex;align-items:flex-end;justify-content:space-between;gap:32px;flex-wrap:wrap}
.mk-sec-head-wide .mk-sec-headtxt{max-width:680px}

/* ---------- Timeline ---------- */
.mk-timeline{position:relative}
.mk-timeline::before{
  content:'';position:absolute;left:27px;top:24px;bottom:40px;width:2px;background:var(--mk-line)
}
.mk-step{position:relative;display:grid;grid-template-columns:56px 1fr;gap:28px;padding-bottom:48px}
.mk-step:last-child{padding-bottom:0}
.mk-step-node{
  width:56px;height:56px;border-radius:50%;background:var(--mk-ink);color:var(--mk-accent);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--mk-font-num);font-size:15px;font-weight:800;
  font-variant-numeric:tabular-nums;letter-spacing:.04em;position:relative;z-index:2
}
.mk-step-body{padding-top:4px;max-width:720px}
.mk-step-title{margin:0 0 10px;font-size:20px;font-weight:700;letter-spacing:-.01em;color:var(--mk-ink)}
.mk-step-body p{margin:0 0 12px;font-size:15px;line-height:1.85;color:var(--mk-text-2)}
.mk-points{display:flex;flex-direction:column;gap:8px;margin-top:14px}
.mk-points li{position:relative;padding-left:18px;font-size:14.5px;color:var(--mk-text-2);line-height:1.75}
.mk-points li::before{content:'';position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:1px;background:var(--mk-accent)}
.mk-step-thumb{margin-top:20px;width:100%;max-width:320px;border-radius:var(--mk-radius-sm);overflow:hidden;border:1px solid var(--mk-line)}
.mk-step-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover}

/* ---------- Device cards ---------- */
.mk-device-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.mk-device-card{
  background:var(--mk-surface);border:1px solid var(--mk-line);border-radius:var(--mk-radius);
  padding:28px;transition:transform var(--mk-dur) var(--mk-ease),box-shadow var(--mk-dur) var(--mk-ease),border-color var(--mk-dur) var(--mk-ease)
}
.mk-device-card:hover{transform:translateY(-4px);box-shadow:var(--mk-shadow-hover);border-color:var(--mk-accent)}
.mk-card-index{
  display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:8px;
  background:var(--mk-ink);color:var(--mk-accent);font-family:var(--mk-font-num);font-size:11px;font-weight:800;
  font-variant-numeric:tabular-nums;margin-bottom:16px
}
.mk-device-card h3{font-size:19px;font-weight:700;color:var(--mk-ink);margin-bottom:10px}
.mk-device-card p{font-size:14.5px;line-height:1.8;color:var(--mk-text-2);margin-bottom:16px}
.mk-device-card .mk-btn-text{margin-top:6px}
.mk-card-meta{display:block;font-size:12.5px;color:var(--mk-text-3);margin-top:14px}

/* ---------- Metric band ---------- */
.mk-metric-band{background:var(--mk-ink);color:#fff;padding:clamp(56px,7vw,88px) 0}
.mk-metric-band .mk-eyebrow{color:rgba(255,255,255,.6)}
.mk-metric-band h2{
  margin:16px 0 12px;font-size:clamp(24px,2.8vw,34px);font-weight:700;letter-spacing:-.015em;color:#fff
}
.mk-metric-band .mk-band-sub{color:rgba(255,255,255,.66);font-size:15.5px;max-width:640px}
.mk-metric-grid{display:grid;grid-template-columns:repeat(4,1fr);margin-top:52px}
.mk-metric-item{padding:0 28px;border-left:1px solid rgba(255,255,255,.12)}
.mk-metric-item:first-child{border-left:0;padding-left:0}
.mk-metric-index{
  display:block;font-family:var(--mk-font-num);font-size:12px;font-weight:700;
  letter-spacing:.16em;color:var(--mk-accent);margin-bottom:20px
}
.mk-metric-num{
  font-family:var(--mk-font-num);font-size:clamp(38px,4.6vw,64px);font-weight:800;
  letter-spacing:-.02em;line-height:1;color:#fff;font-variant-numeric:tabular-nums
}
.mk-metric-num span{font-size:.32em;font-weight:700;color:var(--mk-accent);margin-left:8px;letter-spacing:0}
.mk-metric-label{margin-top:14px;font-size:13px;color:rgba(255,255,255,.62)}

/* ---------- FAQ ---------- */
.mk-faq-layout{display:grid;grid-template-columns:40% 60%;gap:56px;align-items:start}
.mk-faq-aside h2{margin:14px 0 16px;font-size:clamp(24px,2.8vw,34px);font-weight:700;letter-spacing:-.015em;color:var(--mk-ink)}
.mk-faq-aside p{font-size:15px;color:var(--mk-text-2);line-height:1.85;margin-bottom:24px}
.mk-faq-list{border-top:1px solid var(--mk-line)}
.mk-acc-item{border-bottom:1px solid var(--mk-line)}
.mk-acc-head{
  position:relative;width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  padding:22px 0 22px 16px;background:none;border:0;text-align:left;cursor:pointer;
  font-size:17px;font-weight:700;line-height:1.6;color:var(--mk-ink);
  transition:color var(--mk-dur) var(--mk-ease)
}
.mk-acc-head::before{
  content:'';position:absolute;left:0;top:26px;width:3px;height:22px;background:var(--mk-accent);
  transform:scaleY(0);transform-origin:top;transition:transform var(--mk-dur) var(--mk-ease)
}
.mk-acc-item.is-open .mk-acc-head::before{transform:scaleY(1)}
.mk-acc-head:hover{color:var(--mk-deep)}
.mk-acc-icon{position:relative;flex:0 0 20px;width:20px;height:20px;margin-top:4px}
.mk-acc-icon::before,.mk-acc-icon::after{
  content:'';position:absolute;background:var(--mk-ink);transition:transform var(--mk-dur) var(--mk-ease),opacity var(--mk-dur) var(--mk-ease)
}
.mk-acc-icon::before{left:0;top:9px;width:20px;height:2px}
.mk-acc-icon::after{left:9px;top:0;width:2px;height:20px}
.mk-acc-item.is-open .mk-acc-icon::after{transform:scaleY(0);opacity:0}
.mk-acc-body{max-height:0;overflow:hidden;transition:max-height var(--mk-dur) var(--mk-ease)}
.mk-acc-body-inner{padding:0 40px 26px 32px;font-size:15px;line-height:1.85;color:var(--mk-text-2)}
.mk-acc-body-inner p+p{margin-top:10px}

/* ---------- CTA band ---------- */
.mk-cta-band{background:var(--mk-deep);color:#fff;padding:clamp(48px,6vw,74px) 0}
.mk-cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.mk-cta-copy h2{font-size:clamp(24px,2.8vw,34px);font-weight:700;letter-spacing:-.015em;color:#fff;margin-bottom:12px}
.mk-cta-copy p{font-size:15px;color:rgba(255,255,255,.72);max-width:520px}
.mk-cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:20px}
.mk-cta-band .mk-btn-text{color:#fff}
.mk-cta-band .mk-btn-text:hover{color:var(--mk-accent)}

/* ---------- Footer ---------- */
.mk-footer{background:var(--mk-ink);color:rgba(255,255,255,.72);padding:clamp(56px,7vw,80px) 0 32px;border-top:1px solid rgba(255,255,255,.12)}
.mk-footer .mk-logo-top{color:#fff}
.mk-footer .mk-logo-bottom{color:rgba(255,255,255,.6)}
.mk-footer-top{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.12)
}
.mk-footer-brand p{margin-top:20px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:30em}
.mk-footer h4{font-size:13px;font-weight:700;letter-spacing:.12em;color:#fff;margin-bottom:20px}
.mk-footer-links{display:flex;flex-direction:column;gap:12px}
.mk-footer-links a{font-size:14px;color:rgba(255,255,255,.68);transition:color var(--mk-dur) var(--mk-ease)}
.mk-footer-links a:hover,.mk-footer-links a:focus-visible{color:var(--mk-accent)}
.mk-footer-meta{display:flex;flex-direction:column;gap:12px;font-size:13.5px;color:rgba(255,255,255,.58)}
.mk-footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:26px;font-size:12.5px;color:rgba(255,255,255,.5)
}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .mk-nav-desktop{gap:16px}
  .mk-nav-desktop a{font-size:13px}
  .mk-header-inner{gap:16px}
}
@media (max-width:1023px){
  .mk-container,.mk-container-wide{padding:0 24px}
  .mk-nav-desktop{display:none}
  .mk-header-cta{display:none}
  .mk-burger{display:flex;margin-left:auto}
  .mk-hero-grid{grid-template-columns:1fr;gap:32px}
  .mk-hero-media{order:-1}
  .mk-device-grid{grid-template-columns:repeat(2,1fr)}
  .mk-metric-grid{grid-template-columns:repeat(2,1fr);row-gap:44px}
  .mk-metric-item:nth-child(2n+1){border-left:0;padding-left:0}
  .mk-faq-layout{grid-template-columns:1fr;gap:36px}
  .mk-footer-top{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:767px){
  .mk-container,.mk-container-wide{padding:0 18px}
  .mk-header-inner{flex-wrap:wrap;min-height:auto;padding-top:14px;padding-bottom:14px;gap:12px}
  .mk-logo{order:1}
  .mk-burger{order:2}
  .mk-search{order:3;flex:1 0 100%;max-width:none;min-width:0}
  .mk-search input[type="search"]{height:48px}
  .mk-section{padding:64px 0}
  .mk-cat-hero{padding:24px 0 48px}
  .mk-hero-actions{gap:18px}
  .mk-device-grid{grid-template-columns:1fr}
  .mk-device-card{padding:20px}
  .mk-metric-grid{grid-template-columns:repeat(2,1fr);margin-top:36px;row-gap:36px}
  .mk-metric-item{padding:0 16px}
  .mk-timeline::before{left:21px;bottom:28px}
  .mk-step{grid-template-columns:44px 1fr;gap:18px;padding-bottom:40px}
  .mk-step-node{width:44px;height:44px;font-size:13px}
  .mk-step-title{font-size:18px}
  .mk-acc-body-inner{padding:0 0 22px 24px}
  .mk-cta-inner{flex-direction:column;align-items:flex-start}
  .mk-footer-top{grid-template-columns:1fr;gap:32px}
  .mk-footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  body{font-size:16px}
  .mk-hero-copy h1{font-size:28px}
  .mk-metric-grid{grid-template-columns:1fr;row-gap:32px}
  .mk-metric-item{border-left:0;padding:0}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms!important;animation-iteration-count:1!important;
    transition-duration:.001ms!important;scroll-behavior:auto!important
  }
  .mk-device-card:hover{transform:none}
}

/* roulang page: category5 */
:root{
  --mk-ink:#14171A;
  --mk-ink-soft:#2A3035;
  --mk-accent:#C9F24D;
  --mk-deep:#0F3B33;
  --mk-bg:#F6F5F1;
  --mk-surface:#FFFFFF;
  --mk-line:#E5E2DA;
  --mk-line-soft:#EFEDE7;
  --mk-text:#1B1F23;
  --mk-text-2:#6E767C;
  --mk-text-3:#9AA1A7;
  --mk-warn:#E4622E;
  --mk-radius:16px;
  --mk-radius-sm:12px;
  --mk-pill:999px;
  --mk-shadow-hover:0 12px 32px rgba(20,23,26,.10);
  --mk-dur:.22s;
  --mk-ease:cubic-bezier(.2,.7,.3,1);
  --mk-ctn:1200px;
  --mk-ctn-wide:1320px;
  --mk-gutter:32px;
  --mk-section:clamp(64px,8vw,112px);
  --mk-font-num:'Inter','Helvetica Neue',Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--mk-bg);
  color:var(--mk-text);
  font-family:'Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.88;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--mk-ink);text-decoration:none;transition:color var(--mk-dur) var(--mk-ease),background-color var(--mk-dur) var(--mk-ease),border-color var(--mk-dur) var(--mk-ease),transform var(--mk-dur) var(--mk-ease)}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4{margin:0;color:var(--mk-ink);font-weight:700;letter-spacing:-.02em;line-height:1.28}
h1{font-size:clamp(32px,4.4vw,52px);font-weight:800}
h2{font-size:clamp(26px,3vw,38px);font-weight:700}
h3{font-size:20px;font-weight:700}
h4{font-size:15px;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--mk-accent);outline-offset:2px}
::selection{background:var(--mk-accent);color:var(--mk-ink)}

.mk-container{width:100%;max-width:var(--mk-ctn);margin:0 auto;padding-left:var(--mk-gutter);padding-right:var(--mk-gutter)}
.mk-container-wide{width:100%;max-width:var(--mk-ctn-wide);margin:0 auto;padding-left:var(--mk-gutter);padding-right:var(--mk-gutter)}

/* ---------- 通用组件 ---------- */
.mk-label{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--mk-text-2);text-transform:uppercase}
.mk-index{display:inline-block;font-family:var(--mk-font-num);font-size:13px;font-weight:800;letter-spacing:.16em;color:var(--mk-deep);font-variant-numeric:tabular-nums}
.mk-badge{display:inline-flex;align-items:center;padding:4px 12px;border-radius:var(--mk-pill);background:var(--mk-line-soft);color:var(--mk-ink);font-size:12px;font-weight:600;letter-spacing:.02em}

.mk-btn{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:var(--mk-pill);border:1px solid transparent;font-size:15px;font-weight:700;line-height:1;white-space:nowrap;background:transparent;transition:background-color var(--mk-dur) var(--mk-ease),color var(--mk-dur) var(--mk-ease),border-color var(--mk-dur) var(--mk-ease),transform var(--mk-dur) var(--mk-ease)}
.mk-btn-primary{background:var(--mk-ink);color:#fff;border-color:var(--mk-ink)}
.mk-btn-primary:hover{background:var(--mk-accent);color:var(--mk-ink);border-color:var(--mk-accent)}
.mk-btn-accent{background:var(--mk-accent);color:var(--mk-ink);border-color:var(--mk-accent)}
.mk-btn-accent:hover{background:#fff;color:var(--mk-ink);border-color:#fff}
.mk-btn-ghost{background:transparent;color:var(--mk-ink);border-color:var(--mk-ink)}
.mk-btn-ghost:hover{border-color:var(--mk-accent);background:rgba(201,242,77,.16)}
.mk-btn-sm{padding:11px 20px;font-size:14px}

.mk-textlink{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--mk-ink);transition:color var(--mk-dur) var(--mk-ease)}
.mk-textlink .mk-arrow{transition:transform var(--mk-dur) var(--mk-ease)}
.mk-textlink:hover .mk-arrow{transform:translateX(4px)}
.mk-textlink:hover{color:var(--mk-deep)}

/* ---------- Header ---------- */
.mk-header{position:sticky;top:0;z-index:80;background:var(--mk-bg);border-bottom:1px solid transparent;transition:border-color var(--mk-dur) var(--mk-ease),box-shadow var(--mk-dur) var(--mk-ease)}
.mk-header.is-scrolled{border-bottom-color:var(--mk-line);box-shadow:0 1px 0 rgba(20,23,26,.02)}
.mk-header-inner{display:flex;align-items:center;gap:24px;min-height:88px}
.mk-logo{display:flex;flex-direction:column;text-decoration:none;line-height:1.1;flex:0 0 auto}
.mk-logo-top{font-family:var(--mk-font-num);font-size:19px;font-weight:800;letter-spacing:.22em;color:var(--mk-ink)}
.mk-logo-bottom{font-size:11px;font-weight:700;letter-spacing:.16em;color:var(--mk-text-2);margin-top:2px}

.mk-search{position:relative;flex:1 1 520px;max-width:520px;min-width:200px}
.mk-search input{
  width:100%;height:46px;padding:0 20px 0 44px;border-radius:var(--mk-pill);
  border:1px solid var(--mk-line);background:var(--mk-surface);color:var(--mk-ink);
  font-size:14px;font-family:inherit;margin:0;
  transition:border-color var(--mk-dur) var(--mk-ease),box-shadow var(--mk-dur) var(--mk-ease);
}
.mk-search input::placeholder{color:var(--mk-text-3)}
.mk-search input:focus{border-color:var(--mk-accent);box-shadow:0 0 0 3px rgba(201,242,77,.35);outline:none}
.mk-search-icon{position:absolute;left:16px;top:50%;transform:translateY(-50%);width:18px;height:18px;stroke:var(--mk-text-3);stroke-width:2;fill:none;stroke-linecap:round;pointer-events:none}

.mk-nav-desktop{display:flex;align-items:center;gap:24px;margin-left:auto}
.mk-nav-desktop a{position:relative;font-size:14px;font-weight:600;color:var(--mk-ink);white-space:nowrap;padding:8px 0;transition:color var(--mk-dur) var(--mk-ease)}
.mk-nav-desktop a::after{content:"";position:absolute;left:0;bottom:2px;width:0;height:2px;background:var(--mk-accent);transition:width var(--mk-dur) var(--mk-ease)}
.mk-nav-desktop a:hover::after{width:100%}
.mk-nav-desktop a.is-active{font-weight:800}
.mk-nav-desktop a.is-active::after{width:100%;background:var(--mk-ink)}
.mk-header-cta{flex:0 0 auto}

.mk-burger{display:none;width:44px;height:44px;border:1px solid var(--mk-line);border-radius:12px;background:var(--mk-surface);padding:0;position:relative}
.mk-burger span{display:block;position:absolute;left:12px;width:20px;height:2px;background:var(--mk-ink);border-radius:2px;transition:transform var(--mk-dur) var(--mk-ease),opacity var(--mk-dur) var(--mk-ease)}
.mk-burger span:nth-child(1){top:15px}
.mk-burger span:nth-child(2){top:21px}
.mk-burger span:nth-child(3){top:27px}
.mk-burger.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.mk-burger.is-open span:nth-child(2){opacity:0}
.mk-burger.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

.mk-drawer{position:fixed;inset:0;z-index:90;background:var(--mk-bg);padding:24px 18px 48px;overflow-y:auto;transform:translateX(100%);transition:transform var(--mk-dur) var(--mk-ease);display:none}
.mk-drawer.is-open{transform:translateX(0)}
.mk-drawer .mk-search{max-width:none;margin-bottom:28px}
.mk-drawer nav{display:flex;flex-direction:column;border-top:1px solid var(--mk-line)}
.mk-drawer nav a{padding:18px 4px;border-bottom:1px solid var(--mk-line);font-size:16px;font-weight:600;color:var(--mk-ink)}
.mk-drawer nav a.is-active{color:var(--mk-deep);font-weight:800;border-left:3px solid var(--mk-accent);padding-left:14px}
.mk-drawer .mk-drawer-cta{margin-top:28px;width:100%;justify-content:center}

/* ---------- Hero ---------- */
.mk-cat-hero{background:var(--mk-bg);padding:clamp(40px,5vw,64px) 0 clamp(48px,6vw,72px);border-bottom:1px solid var(--mk-line)}
.mk-cat-hero-inner{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:56px;align-items:center;min-height:320px}
.mk-breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--mk-text-3);margin-bottom:20px}
.mk-breadcrumb li{display:flex;align-items:center;gap:8px}
.mk-breadcrumb li::after{content:"/";color:var(--mk-text-3)}
.mk-breadcrumb li:last-child::after{display:none}
.mk-breadcrumb a{color:var(--mk-text-2)}
.mk-breadcrumb a:hover{color:var(--mk-ink)}
.mk-breadcrumb [aria-current="page"]{color:var(--mk-ink);font-weight:600}
.mk-cat-hero h1{margin:16px 0 18px}
.mk-cat-hero-sub{color:var(--mk-text-2);font-size:17px;max-width:520px}
.mk-cat-hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.mk-cat-hero-media{border-radius:var(--mk-radius);overflow:hidden;background:var(--mk-line-soft);position:relative}
.mk-cat-hero-media img{width:100%;aspect-ratio:16/11;object-fit:cover}
.mk-cat-hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,23,26,0) 55%,rgba(20,23,26,.42));pointer-events:none}
.mk-cat-hero-caption{position:absolute;left:20px;bottom:16px;z-index:2;color:#fff;font-size:13px;font-weight:600;letter-spacing:.04em}

/* ---------- 指标看板 ---------- */
.mk-metrics{background:var(--mk-ink);color:#fff;padding:clamp(48px,6vw,72px) 0}
.mk-metrics-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:16px;margin-bottom:36px}
.mk-metrics-head span{font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--mk-accent);text-transform:uppercase}
.mk-metrics-head h2{color:#fff;font-size:clamp(22px,2.4vw,30px)}
.mk-metrics-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.mk-metric{padding:0 32px;border-left:1px solid rgba(255,255,255,.12)}
.mk-metric:first-child{border-left:0;padding-left:0}
.mk-metric:last-child{padding-right:0}
.mk-metric-no{display:block;font-family:var(--mk-font-num);font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--mk-accent);margin-bottom:16px}
.mk-metric-num{font-family:var(--mk-font-num);font-size:clamp(40px,5vw,60px);font-weight:800;line-height:1;color:#fff;font-variant-numeric:tabular-nums}
.mk-metric-unit{font-size:.32em;font-weight:700;color:rgba(255,255,255,.7);margin-left:6px;vertical-align:baseline}
.mk-metric-desc{display:block;margin-top:14px;font-size:13px;color:rgba(255,255,255,.66);letter-spacing:.02em}

/* ---------- 分区通用 ---------- */
.mk-section{padding:var(--mk-section) 0}
.mk-section-head{max-width:760px;margin-bottom:48px}
.mk-section-head h2{margin:12px 0 16px}
.mk-section-head p{color:var(--mk-text-2);font-size:16px}
.mk-section-head-row{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.mk-section-head-row .mk-section-head{margin-bottom:0}

/* ---------- 筛选标签 ---------- */
.mk-filter{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:36px;padding-bottom:24px;border-bottom:1px solid var(--mk-line)}
.mk-filter a{display:inline-flex;align-items:center;padding:8px 18px;border-radius:var(--mk-pill);border:1px solid var(--mk-line);background:var(--mk-surface);font-size:13px;font-weight:600;color:var(--mk-text-2);transition:all var(--mk-dur) var(--mk-ease)}
.mk-filter a:hover{border-color:var(--mk-accent);color:var(--mk-ink)}
.mk-filter a.is-current{background:var(--mk-ink);border-color:var(--mk-ink);color:#fff}

/* ---------- 资源清单 ---------- */
.mk-res-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 56px}
.mk-res-item{display:flex;gap:24px;padding:32px 0;border-bottom:1px solid var(--mk-line)}
.mk-res-thumb{flex:0 0 176px;border-radius:var(--mk-radius-sm);overflow:hidden;background:var(--mk-line-soft)}
.mk-res-thumb img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform var(--mk-dur) var(--mk-ease)}
.mk-res-item:hover .mk-res-thumb img{transform:scale(1.05)}
.mk-res-body{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;gap:8px}
.mk-res-body h3{font-size:18px;line-height:1.45}
.mk-res-body h3 a:hover{color:var(--mk-deep)}
.mk-res-desc{font-size:14px;line-height:1.78;color:var(--mk-text-2)}
.mk-res-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:12px;color:var(--mk-text-3)}
.mk-res-meta .mk-dot{width:3px;height:3px;border-radius:50%;background:var(--mk-text-3)}
.mk-res-item .mk-textlink{margin-top:6px}

/* ---------- 核验要点 ---------- */
.mk-check{border-top:1px solid var(--mk-line)}
.mk-check-grid{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,3fr);gap:64px}
.mk-check-aside h2{margin:14px 0 16px}
.mk-check-aside p{color:var(--mk-text-2);font-size:15px;line-height:1.85;margin-bottom:24px}
.mk-check-list li{display:flex;gap:24px;padding:26px 0;border-bottom:1px solid var(--mk-line)}
.mk-check-list li:first-child{border-top:1px solid var(--mk-line)}
.mk-check-num{flex:0 0 auto;font-family:var(--mk-font-num);font-size:13px;font-weight:800;letter-spacing:.16em;color:var(--mk-deep);padding-top:6px;font-variant-numeric:tabular-nums}
.mk-check-list h3{font-size:18px;margin-bottom:8px}
.mk-check-list p{font-size:14px;line-height:1.8;color:var(--mk-text-2)}

/* ---------- FAQ ---------- */
.mk-faq{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,3fr);gap:64px;border-top:1px solid var(--mk-line)}
.mk-faq-aside h2{margin:14px 0 16px}
.mk-faq-aside p{color:var(--mk-text-2);font-size:15px;line-height:1.85;margin-bottom:24px}
.mk-faq-item{border-bottom:1px solid var(--mk-line)}
.mk-faq-item:first-child{border-top:1px solid var(--mk-line)}
.mk-faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 0 22px 20px;background:none;border:0;text-align:left;font-size:17px;font-weight:700;color:var(--mk-ink);position:relative;line-height:1.6}
.mk-faq-q::before{content:"";position:absolute;left:0;top:50%;width:3px;height:22px;background:var(--mk-accent);transform:translateY(-50%) scaleY(0);transition:transform var(--mk-dur) var(--mk-ease)}
.mk-faq-item.is-open .mk-faq-q::before{transform:translateY(-50%) scaleY(1)}
.mk-faq-icon{position:relative;flex:0 0 20px;width:20px;height:20px}
.mk-faq-icon::before,.mk-faq-icon::after{content:"";position:absolute;background:var(--mk-ink);transition:transform var(--mk-dur) var(--mk-ease)}
.mk-faq-icon::before{left:0;top:9px;width:20px;height:2px}
.mk-faq-icon::after{left:9px;top:0;width:2px;height:20px}
.mk-faq-item.is-open .mk-faq-icon::after{transform:scaleY(0)}
.mk-faq-a{max-height:0;overflow:hidden;transition:max-height var(--mk-dur) var(--mk-ease)}
.mk-faq-item.is-open .mk-faq-a{max-height:460px}
.mk-faq-a-inner{padding:0 0 24px 32px;font-size:15px;line-height:1.85;color:var(--mk-text-2)}
.mk-faq-a-inner p+p{margin-top:12px}

/* ---------- CTA ---------- */
.mk-cta{background:var(--mk-deep);color:#fff;padding:clamp(56px,6vw,88px) 0}
.mk-cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:40px}
.mk-cta-text h2{color:#fff;margin-bottom:14px;max-width:640px}
.mk-cta-text p{color:rgba(255,255,255,.74);font-size:15px;max-width:560px}
.mk-cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- Footer ---------- */
.mk-footer{background:var(--mk-ink);color:rgba(255,255,255,.72);padding:clamp(56px,6vw,80px) 0 32px}
.mk-footer-top{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:40px;padding-top:40px;border-top:1px solid rgba(255,255,255,.12)}
.mk-footer .mk-logo-top{color:#fff}
.mk-footer .mk-logo-bottom{color:rgba(255,255,255,.6)}
.mk-footer-brand p{margin-top:18px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.68);max-width:340px}
.mk-footer h4{color:#fff;font-size:14px;font-weight:700;letter-spacing:.04em;margin-bottom:18px}
.mk-footer-links{display:flex;flex-direction:column;gap:12px}
.mk-footer-links a{font-size:14px;color:rgba(255,255,255,.72)}
.mk-footer-links a:hover{color:var(--mk-accent)}
.mk-footer-meta{display:flex;flex-direction:column;gap:12px}
.mk-footer-meta li{font-size:13px;color:rgba(255,255,255,.6);line-height:1.7}
.mk-footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:rgba(255,255,255,.55)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  :root{--mk-gutter:24px}
  .mk-nav-desktop{gap:18px}
  .mk-nav-desktop a{font-size:13px}
  .mk-cat-hero-inner{gap:40px}
  .mk-res-grid{gap:0 40px}
  .mk-check-grid,.mk-faq{gap:48px}
}
@media (max-width:1023px){
  .mk-cat-hero-inner{grid-template-columns:1fr;gap:32px}
  .mk-cat-hero-media img{aspect-ratio:16/9}
  .mk-metrics-grid{grid-template-columns:repeat(2,1fr)}
  .mk-metric{padding:24px 24px;border-left:1px solid rgba(255,255,255,.12);border-top:1px solid rgba(255,255,255,.12)}
  .mk-metric:first-child{padding-left:24px}
  .mk-metric:last-child{padding-right:24px}
  .mk-metric:nth-child(odd){border-left:0;padding-left:0}
  .mk-metric:nth-child(-n+2){border-top:0}
  .mk-res-grid{grid-template-columns:1fr;gap:0}
  .mk-check-grid,.mk-faq{grid-template-columns:1fr;gap:32px}
  .mk-footer-top{grid-template-columns:1fr 1fr;gap:32px}
  .mk-footer-brand{grid-column:1 / -1}
}
@media (max-width:767px){
  :root{--mk-gutter:18px;--mk-section:64px}
  body{font-size:16px;line-height:1.85}
  .mk-header-inner{flex-wrap:wrap;padding:12px 0;gap:12px;min-height:0}
  .mk-logo{order:1}
  .mk-logo-top{font-size:17px}
  .mk-burger{display:block;order:2;margin-left:auto}
  .mk-search{order:3;flex:1 1 100%;max-width:none;min-width:0}
  .mk-search input{height:48px}
  .mk-nav-desktop{display:none}
  .mk-header-cta{display:none}
  .mk-drawer{display:block}
  .mk-cat-hero{padding:28px 0 44px}
  .mk-cat-hero-inner{min-height:0}
  .mk-cat-hero-sub{font-size:15px}
  .mk-res-item{flex-direction:column;gap:16px;padding:24px 0}
  .mk-res-thumb{flex:0 0 auto;width:100%}
  .mk-res-thumb img{aspect-ratio:16/10}
  .mk-metrics-grid{grid-template-columns:1fr 1fr;gap:0}
  .mk-metric{padding:20px 16px}
  .mk-metric:first-child{padding-left:0}
  .mk-metric:nth-child(odd){padding-left:0}
  .mk-metric:nth-child(even){padding-right:0}
  .mk-check-list li{padding:20px 0;gap:16px}
  .mk-faq-q{font-size:16px;padding:18px 0 18px 16px}
  .mk-faq-a-inner{padding:0 0 20px 16px}
  .mk-cta-inner{flex-direction:column;align-items:flex-start}
  .mk-cta-actions{width:100%}
  .mk-cta-actions .mk-btn{flex:1 1 auto;justify-content:center}
  .mk-footer-top{grid-template-columns:1fr;gap:32px}
  .mk-footer-brand{max-width:none}
}
@media (max-width:520px){
  .mk-cat-hero-tags{gap:8px}
  .mk-filter{gap:8px}
  .mk-filter a{padding:6px 14px;font-size:12px}
  .mk-metrics-grid{grid-template-columns:1fr 1fr}
  .mk-metric-num{font-size:38px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}