/* roulang page: index */
:root{
  --mk-bg:#FAF8F5;
  --mk-surface:#FFFFFF;
  --mk-ink:#171A1F;
  --mk-body:#3A3F46;
  --mk-muted:#6B7076;
  --mk-primary:#D9762B;
  --mk-primary-hover:#B85F1E;
  --mk-primary-soft:#FBF0E6;
  --mk-accent:#2F6F63;
  --mk-accent-soft:#EDF3F1;
  --mk-deep:#262C34;
  --mk-line:#E6E1DA;
  --mk-placeholder:#EFEAE3;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-1:0 1px 2px rgba(23,26,31,.06), 0 8px 24px rgba(23,26,31,.05);
  --shadow-2:0 2px 6px rgba(23,26,31,.08), 0 16px 36px rgba(23,26,31,.10);
  --mono:ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --sans:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,sans-serif;
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  color:var(--mk-body);
  background-color:var(--mk-bg);
  background-image:radial-gradient(rgba(23,26,31,.03) 1px, transparent 1px);
  background-size:22px 22px;
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--radius-img);}
a{color:var(--mk-primary);text-decoration:none;transition:color .18s ease-out;}
a:hover{color:var(--mk-primary-hover);}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--mk-primary);outline-offset:2px;border-radius:6px;}
h1,h2,h3,h4{margin:0;color:var(--mk-ink);font-weight:700;letter-spacing:0;}
h1{font-size:clamp(32px,4.4vw,52px);line-height:1.25;}
h2{font-size:clamp(24px,3vw,36px);line-height:1.3;}
h3{font-size:21px;line-height:1.4;}
p{margin:0 0 1em;color:var(--mk-body);}
p:last-child{margin-bottom:0;}
ul,ol{margin:0 0 1em;padding-left:1.4em;}
hr{border:0;border-top:1px solid var(--mk-line);margin:0;}
::selection{background:rgba(217,118,43,.22);}

/* ============ 布局容器与栅格 ============ */
.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;margin-left:auto;margin-right:auto;}
.grid-container.mk-wide{max-width:1200px;}
.mk-section{padding:100px 0;}
.mk-section--tight{padding:76px 0;}
.mk-section--deep{padding:100px 0;}
.mk-section-head{max-width:760px;margin-bottom:48px;}
.mk-section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.mk-section-head h2{position:relative;padding-left:18px;}
.mk-section-head.center h2{padding-left:0;}
.mk-section-head h2::before{content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:3px;border-radius:3px;background:var(--mk-primary);}
.mk-section-head.center h2::before{display:none;}
.mk-section-head p{margin-top:14px;color:var(--mk-muted);font-size:16px;max-width:660px;}
.mk-section-head.center p{margin-left:auto;margin-right:auto;}
.mk-kicker{
  display:inline-block;font-family:var(--mono);font-size:12px;font-weight:700;
  letter-spacing:.16em;text-transform:uppercase;color:var(--mk-accent);
  border:1px solid rgba(47,111,99,.28);background:rgba(47,111,99,.07);
  padding:4px 12px;border-radius:999px;margin-bottom:16px;
}

/* ============ 按钮体系 ============ */
.mk-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 22px;border-radius:var(--radius-btn);
  font-family:inherit;font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:background-color .18s ease-out,color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
  white-space:nowrap;
}
.mk-btn--l{height:52px;padding:0 30px;font-size:16px;}
.mk-btn--s{height:34px;padding:0 16px;font-size:14px;}
.mk-btn--block{width:100%;}
.mk-btn--primary{background:var(--mk-primary);color:#fff;box-shadow:0 6px 16px rgba(217,118,43,.24);}
.mk-btn--primary:hover{background:var(--mk-primary-hover);color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px rgba(217,118,43,.30);}
.mk-btn--primary:active{transform:translateY(0);}
.mk-btn--secondary{background:#fff;border-color:var(--mk-ink);color:var(--mk-ink);}
.mk-btn--secondary:hover{background:var(--mk-ink);color:#fff;}
.mk-btn--secondary:active{transform:translateY(1px);}
.mk-btn--ghost{background:transparent;border-color:rgba(255,255,255,.5);color:#fff;}
.mk-btn--ghost:hover{background:#fff;border-color:#fff;color:var(--mk-deep);}
.mk-text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--mk-primary);}
.mk-text-link::after{content:"→";transition:transform .18s ease-out;}
.mk-text-link:hover::after{transform:translateX(3px);}

/* ============ 徽章与元信息 ============ */
.mk-badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:700;line-height:1;
  padding:6px 11px;border-radius:999px;letter-spacing:.03em;
}
.mk-badge--soft{background:var(--mk-primary-soft);color:var(--mk-primary-hover);}
.mk-badge--neutral{background:#F0EEE9;color:var(--mk-muted);}
.mk-badge--accent{background:var(--mk-accent-soft);color:var(--mk-accent);}
.mk-mono{font-family:var(--mono);font-size:13px;color:var(--mk-muted);letter-spacing:0;}
.mk-rule{border-top:1px dashed var(--mk-line);margin:40px 0;}

/* ============ 顶部导航 ============ */
.mk-header{
  position:sticky;top:0;z-index:80;
  background:rgba(250,248,245,.68);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(23,26,31,.07);
  transition:background-color .24s ease-out,box-shadow .24s ease-out,border-color .24s ease-out;
}
.mk-header.is-stuck{background:rgba(250,248,245,.97);box-shadow:0 8px 24px rgba(23,26,31,.08);border-bottom-color:rgba(23,26,31,.05);}
.mk-nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:64px;}
.mk-logo{display:flex;align-items:center;gap:11px;color:var(--mk-ink);flex:0 0 auto;}
.mk-logo-mark{
  width:38px;height:38px;border-radius:11px;background:var(--mk-deep);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:17px;font-weight:700;letter-spacing:.02em;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.14), 0 4px 12px rgba(23,26,31,.18);
}
.mk-logo-text{display:flex;align-items:baseline;gap:7px;font-size:19px;font-weight:800;color:var(--mk-ink);}
.mk-logo-text em{font-style:normal;font-size:13px;font-weight:500;color:var(--mk-muted);letter-spacing:.02em;}
.mk-nav{display:flex;align-items:center;gap:2px;}
.mk-nav a{
  position:relative;display:inline-block;padding:9px 13px;border-radius:8px;
  font-size:15px;color:var(--mk-body);transition:color .18s ease-out,background-color .18s ease-out;
}
.mk-nav a:hover{color:var(--mk-primary);background:rgba(217,118,43,.07);}
.mk-nav a.is-active{color:var(--mk-ink);font-weight:600;}
.mk-nav a.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;
  border-radius:2px;background:var(--mk-primary);
}
.mk-nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.mk-icon-btn{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--mk-line);
  background:#fff;color:var(--mk-body);cursor:pointer;display:inline-flex;
  align-items:center;justify-content:center;font-size:14px;
  transition:color .18s ease-out,border-color .18s ease-out,background-color .18s ease-out;
}
.mk-icon-btn:hover{color:var(--mk-primary);border-color:rgba(217,118,43,.5);background:var(--mk-primary-soft);}
.mk-menu-btn{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--mk-line);
  background:#fff;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.mk-menu-btn span{display:block;width:17px;height:2px;border-radius:2px;background:var(--mk-ink);transition:transform .18s ease-out,opacity .18s ease-out;}
.mk-menu-btn[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.mk-menu-btn[aria-expanded="true"] span:nth-child(2){opacity:0;}
.mk-menu-btn[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.mk-search-panel{border-top:1px solid rgba(23,26,31,.06);background:rgba(250,248,245,.98);padding:14px 0;}
.mk-search-form{display:flex;align-items:center;gap:10px;max-width:1200px;margin:0 auto;padding:0 24px;}
.mk-search-form i{color:var(--mk-muted);font-size:14px;}
.mk-search-form input{
  flex:1;height:44px;border-radius:var(--radius-btn);border:1px solid var(--mk-line);
  background:#fff;padding:0 14px;font-family:inherit;font-size:15px;color:var(--mk-ink);
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.mk-search-form input::placeholder{color:#9AA0A6;}
.mk-search-form input:focus{border-color:var(--mk-primary);box-shadow:0 0 0 3px rgba(217,118,43,.14);outline:none;}
.mk-mobile-nav{
  position:fixed;left:0;right:0;top:64px;z-index:79;
  background:rgba(250,248,245,.99);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--mk-line);
  box-shadow:0 18px 32px rgba(23,26,31,.12);
  padding:8px 16px 18px;
}
.mk-mobile-nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 8px;font-size:16px;color:var(--mk-ink);
  border-bottom:1px solid var(--mk-line);
}
.mk-mobile-nav a:last-child{border-bottom:0;}
.mk-mobile-nav a.is-active{color:var(--mk-primary);font-weight:600;}
.mk-mobile-nav a::after{content:"›";color:var(--mk-muted);font-size:20px;line-height:1;}

/* ============ Hero ============ */
.mk-hero{
  position:relative;margin-top:-64px;padding:calc(64px + 78px) 0 88px;overflow:hidden;
  background:#F3EEE6;
}
.mk-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  opacity:.30;
}
.mk-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(250,248,245,.90) 0%,rgba(250,248,245,.86) 42%,rgba(250,248,245,.99) 100%);
}
.mk-hero .grid-container{position:relative;z-index:2;}
.mk-hero-grid{align-items:center;}
.mk-hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--mono);font-size:12.5px;letter-spacing:.08em;color:var(--mk-accent);
  background:rgba(47,111,99,.08);border:1px solid rgba(47,111,99,.24);
  border-radius:999px;padding:5px 13px;margin-bottom:20px;
}
.mk-dot{width:7px;height:7px;border-radius:50%;background:var(--mk-accent);display:inline-block;}
.mk-hero h1{max-width:15em;}
.mk-hero-sub{margin-top:20px;font-size:17px;line-height:1.85;color:var(--mk-body);max-width:34em;}
.mk-hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.mk-trust{
  display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:32px;padding-top:22px;
  border-top:1px dashed rgba(23,26,31,.16);
  font-family:var(--mono);font-size:13px;color:var(--mk-muted);letter-spacing:0;
}
.mk-trust span{position:relative;}
.mk-trust span + span::before{
  content:"";position:absolute;left:-12px;top:50%;width:4px;height:4px;border-radius:50%;
  background:var(--mk-line);transform:translateY(-50%);
}
.mk-hero-visual{
  position:relative;border-radius:var(--radius-card);overflow:hidden;
  border:1px solid var(--mk-line);background:#fff;box-shadow:var(--shadow-2);
}
.mk-hero-visual img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0;}
.mk-hero-badge{
  position:absolute;left:18px;bottom:18px;
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border:1px solid var(--mk-line);border-radius:12px;
  padding:10px 14px;box-shadow:var(--shadow-1);
}
.mk-hero-badge-num{display:block;font-family:var(--mono);font-size:15px;font-weight:700;color:var(--mk-ink);}
.mk-hero-badge-label{display:block;font-size:12px;color:var(--mk-muted);letter-spacing:.02em;}

/* ============ 图文交错 ============ */
.mk-split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;}
.mk-split + .mk-split{margin-top:92px;}
.mk-split--reverse .mk-split-media{order:2;}
.mk-split-media{
  border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--mk-line);
  background:var(--mk-placeholder);box-shadow:var(--shadow-1);
}
.mk-split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:0;}
.mk-split-body .mk-label{
  display:inline-block;font-family:var(--mono);font-size:12px;font-weight:700;letter-spacing:.14em;
  color:var(--mk-primary-hover);background:var(--mk-primary-soft);
  border-radius:999px;padding:5px 12px;margin-bottom:16px;
}
.mk-split-body h3{font-size:clamp(20px,2.2vw,26px);line-height:1.4;margin-bottom:14px;}
.mk-split-body p{font-size:16px;color:var(--mk-body);}
.mk-checks{list-style:none;margin:24px 0 0;padding:0;}
.mk-checks li{position:relative;padding-left:32px;margin-bottom:12px;font-size:15px;color:var(--mk-body);}
.mk-checks li:last-child{margin-bottom:0;}
.mk-checks li::before{
  content:"";position:absolute;left:0;top:.28em;width:20px;height:20px;border-radius:6px;
  background:var(--mk-accent-soft);border:1px solid rgba(47,111,99,.28);
}
.mk-checks li::after{
  content:"";position:absolute;left:6px;top:.55em;width:7px;height:4px;
  border-left:2px solid var(--mk-accent);border-bottom:2px solid var(--mk-accent);
  transform:rotate(-45deg);
}

/* ============ 截图轮播 ============ */
.mk-shots{background:#fff;border-top:1px solid var(--mk-line);border-bottom:1px solid var(--mk-line);}
.mk-orbit{margin:0;}
.mk-orbit .orbit-wrapper{position:relative;}
.mk-orbit .orbit-container{height:auto !important;background:transparent;margin:0;list-style:none;padding:0;}
.mk-orbit .orbit-slide{position:relative !important;width:100%;display:none;}
.mk-orbit .orbit-slide.is-active{display:block;animation:mkFade .42s ease-out;}
@keyframes mkFade{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:none;}}
.mk-orbit figure{margin:0;}
.mk-orbit .orbit-image{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-img);
  border:1px solid var(--mk-line);background:var(--mk-placeholder);
}
.mk-orbit .orbit-controls{position:absolute;inset:0;pointer-events:none;z-index:5;}
.mk-orbit .orbit-previous,.mk-orbit .orbit-next{
  position:absolute;top:50%;transform:translateY(-50%);pointer-events:auto;
  width:46px;height:46px;border-radius:50%;border:1px solid rgba(255,255,255,.6);
  background:rgba(23,26,31,.34);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  color:#fff;font-size:14px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;
  transition:background-color .18s ease-out,transform .18s ease-out,color .18s ease-out;
}
.mk-orbit .orbit-previous{left:18px;}
.mk-orbit .orbit-next{right:18px;}
.mk-orbit .orbit-previous:hover,.mk-orbit .orbit-next:hover{background:var(--mk-primary);border-color:var(--mk-primary);transform:translateY(-50%) scale(1.05);}
.mk-orbit .orbit-bullets{display:flex;justify-content:center;align-items:center;gap:8px;margin:22px 0 0;}
.mk-orbit .orbit-bullets button{
  width:34px;height:4px;border-radius:99px;margin:0;padding:0;border:0;
  background:var(--mk-line);cursor:pointer;transition:width .18s ease-out,background-color .18s ease-out;
}
.mk-orbit .orbit-bullets button.is-active{width:58px;background:var(--mk-primary);}
.mk-shot-caption{margin-top:16px;font-size:13px;line-height:1.6;color:var(--mk-muted);text-align:center;}
.mk-thumbs{display:flex;gap:10px;margin-top:26px;overflow-x:auto;padding-bottom:6px;}
.mk-thumb{
  flex:0 0 auto;width:104px;padding:0;border:2px solid transparent;border-radius:10px;
  background:var(--mk-placeholder);cursor:pointer;overflow:hidden;opacity:.62;
  transition:opacity .18s ease-out,border-color .18s ease-out;
}
.mk-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:8px;}
.mk-thumb:hover{opacity:1;}
.mk-thumb.is-active{border-color:var(--mk-primary);opacity:1;}

/* ============ 系统要求 ============ */
.mk-platform{
  background:var(--mk-surface);border:1px solid var(--mk-line);border-radius:var(--radius-card);
  padding:26px;height:100%;display:flex;flex-direction:column;
  box-shadow:var(--shadow-1);transition:transform .18s ease-out,box-shadow .18s ease-out;
}
.mk-platform:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.mk-platform-head{display:flex;align-items:center;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--mk-line);}
.mk-platform-icon{
  width:42px;height:42px;border-radius:12px;background:var(--mk-accent-soft);
  border:1px solid rgba(47,111,99,.22);color:var(--mk-accent);
  display:flex;align-items:center;justify-content:center;font-size:18px;
}
.mk-platform-name{font-size:17px;font-weight:700;color:var(--mk-ink);line-height:1.3;}
.mk-platform-name small{display:block;font-family:var(--mono);font-size:12px;font-weight:400;color:var(--mk-muted);letter-spacing:0;}
.mk-spec{margin:18px 0 0;padding:0;display:flex;flex-direction:column;gap:10px;flex:1;}
.mk-spec-row{display:grid;grid-template-columns:52px 1fr;gap:12px;align-items:baseline;}
.mk-spec-row dt{font-size:13px;font-weight:700;color:var(--mk-ink);letter-spacing:.02em;}
.mk-spec-row dd{margin:0;font-size:14px;line-height:1.7;color:var(--mk-muted);}
.mk-platform .mk-btn{margin-top:20px;align-self:flex-start;}

/* ============ 评价墙 ============ */
.mk-reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;}
.mk-review{
  position:relative;background:var(--mk-surface);border:1px solid var(--mk-line);
  border-radius:var(--radius-card);padding:28px;box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform .18s ease-out,box-shadow .18s ease-out;
}
.mk-review:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.mk-review::before{
  content:"“";position:absolute;right:16px;top:-14px;
  font-family:Georgia,"Times New Roman",serif;font-size:104px;line-height:1;
  color:rgba(217,118,43,.14);pointer-events:none;
}
.mk-review:nth-child(2){margin-top:32px;}
.mk-review:nth-child(3){margin-top:64px;}
.mk-stars{display:flex;gap:3px;color:var(--mk-primary);font-size:13px;margin-bottom:16px;}
.mk-review-quote{font-size:15.5px;line-height:1.85;color:var(--mk-ink);position:relative;z-index:1;}
.mk-review-foot{display:flex;align-items:center;gap:12px;margin-top:22px;padding-top:18px;border-top:1px dashed var(--mk-line);}
.mk-avatar{
  width:40px;height:40px;border-radius:50%;flex:0 0 auto;
  background:var(--mk-accent-soft);border:1px solid rgba(47,111,99,.22);
  color:var(--mk-accent);font-weight:700;font-size:15px;
  display:flex;align-items:center;justify-content:center;
}
.mk-review-name{font-size:14.5px;font-weight:700;color:var(--mk-ink);line-height:1.4;}
.mk-review-role{font-size:13px;color:var(--mk-muted);line-height:1.4;}

/* ============ 数据条 ============ */
.mk-stats{background:#fff;border-top:1px solid var(--mk-line);border-bottom:1px solid var(--mk-line);}
.mk-stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.mk-stat{text-align:left;padding-left:18px;border-left:2px solid var(--mk-line);}
.mk-stat-num{font-family:var(--mono);font-size:clamp(24px,3vw,34px);font-weight:700;color:var(--mk-ink);line-height:1.2;}
.mk-stat-label{margin-top:8px;font-size:14px;color:var(--mk-muted);line-height:1.6;}

/* ============ 最新信息 ============ */
.mk-log-grid{align-items:stretch;}
.mk-log-card{
  height:100%;display:flex;flex-direction:column;
  background:var(--mk-surface);border:1px solid var(--mk-line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-1);position:relative;
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.mk-log-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(217,118,43,.36);}
.mk-log-card .mk-badge{align-self:flex-start;margin-bottom:14px;}
.mk-log-title{font-size:17px;line-height:1.55;margin-bottom:10px;}
.mk-log-title a{
  color:var(--mk-ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.mk-log-title a:hover{color:var(--mk-primary);}
.mk-log-excerpt{
  font-size:14.5px;line-height:1.8;color:var(--mk-muted);margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.mk-log-meta{
  margin-top:auto;padding-top:16px;border-top:1px dashed var(--mk-line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-family:var(--mono);font-size:12.5px;color:var(--mk-muted);letter-spacing:0;
}
.mk-empty{
  border:1px dashed rgba(23,26,31,.22);border-radius:var(--radius-card);
  background:rgba(255,255,255,.6);max-height:200px;padding:38px 24px;text-align:center;
}
.mk-empty p{color:var(--mk-muted);font-size:15px;margin-bottom:12px;}

/* ============ 下载区 ============ */
.mk-download{
  position:relative;background:var(--mk-deep);color:#fff;border-radius:24px;
  padding:60px 56px;overflow:hidden;
  box-shadow:0 24px 60px rgba(23,26,31,.22);
}
.mk-download::before{
  content:"";position:absolute;inset:0;opacity:.5;
  background-image:repeating-linear-gradient(45deg, rgba(255,255,255,.035) 0 2px, transparent 2px 16px);
}
.mk-download::after{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(217,118,43,.32),transparent 68%);
}
.mk-download > *{position:relative;z-index:2;}
.mk-download h2{color:#fff;}
.mk-download .mk-section-head{margin-bottom:36px;}
.mk-download .mk-section-head p{color:rgba(255,255,255,.72);}
.mk-download-grid{display:grid;grid-template-columns:1fr auto;gap:56px;align-items:center;}
.mk-download-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.mk-download-alt{display:flex;flex-wrap:wrap;gap:12px;}
.mk-dl-meta{
  display:flex;flex-wrap:wrap;gap:10px 28px;
  font-family:var(--mono);font-size:12.5px;color:rgba(255,255,255,.62);letter-spacing:0;
  padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
}
.mk-qr{
  width:120px;height:120px;border-radius:8px;background:#fff;
  display:flex;align-items:center;justify-content:center;flex-direction:column;gap:6px;
  color:var(--mk-deep);border:1px solid rgba(255,255,255,.2);
}
.mk-qr i{font-size:38px;color:var(--mk-deep);}
.mk-qr span{font-size:11px;color:var(--mk-muted);letter-spacing:.02em;}

/* ============ FAQ ============ */
.mk-faq .accordion{border:0;background:transparent;}
.mk-faq .accordion-item{border:0;border-bottom:1px solid var(--mk-line);background:transparent;}
.mk-faq .accordion-title{
  position:relative;border:0;background:transparent;
  padding:22px 48px 22px 0;font-size:17px;font-weight:600;color:var(--mk-ink);
  transition:color .18s ease-out;
}
.mk-faq .accordion-title:hover{color:var(--mk-primary);}
.mk-faq .accordion-title::before{
  content:"+";position:absolute;right:8px;top:50%;transform:translateY(-50%);
  font-family:var(--mono);font-size:22px;font-weight:400;color:var(--mk-primary);
  transition:transform .18s ease-out;background:none;left:auto;width:auto;height:auto;
}
.mk-faq .accordion-item.is-active .accordion-title{color:var(--mk-primary);}
.mk-faq .accordion-item.is-active .accordion-title::before{content:"–";transform:translateY(-50%) rotate(180deg);}
.mk-faq .accordion-content{
  border:0;background:transparent;padding:0 0 24px 0;
  font-size:15px;line-height:1.85;color:var(--mk-muted);
}
.mk-faq .accordion-item.is-active .accordion-content{border-left:3px solid var(--mk-primary);padding-left:18px;}

/* ============ 分类入口卡 ============ */
.mk-cat-card{
  display:flex;flex-direction:column;height:100%;background:var(--mk-surface);
  border:1px solid var(--mk-line);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-1);transition:transform .18s ease-out,box-shadow .18s ease-out;
}
.mk-cat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.mk-cat-card img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;background:var(--mk-placeholder);}
.mk-cat-card-body{padding:22px 24px 26px;display:flex;flex-direction:column;flex:1;}
.mk-cat-card-body h3{font-size:18px;margin-bottom:10px;}
.mk-cat-card-body p{font-size:14.5px;color:var(--mk-muted);line-height:1.8;margin-bottom:18px;}
.mk-cat-card-body .mk-text-link{margin-top:auto;}

/* ============ 页脚 ============ */
.mk-footer{background:var(--mk-deep);color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:0;}
.mk-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:44px;}
.mk-footer h4{color:#fff;font-size:15px;font-weight:700;letter-spacing:.02em;margin-bottom:18px;}
.mk-footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:18px;}
.mk-footer-brand .mk-logo-mark{background:rgba(255,255,255,.1);box-shadow:inset 0 0 0 1px rgba(255,255,255,.18);}
.mk-footer-brand-text{font-size:18px;font-weight:800;color:#fff;}
.mk-footer-brand-text em{display:block;font-style:normal;font-size:12.5px;font-weight:400;color:rgba(255,255,255,.58);letter-spacing:.02em;margin-top:2px;}
.mk-footer p{color:rgba(255,255,255,.62);font-size:14px;line-height:1.85;}
.mk-footer ul{list-style:none;margin:0;padding:0;}
.mk-footer li{margin-bottom:11px;}
.mk-footer a{color:rgba(255,255,255,.72);font-size:14.5px;}
.mk-footer a:hover{color:var(--mk-primary);}
.mk-footer-contact li{display:flex;gap:10px;font-size:14.5px;color:rgba(255,255,255,.72);}
.mk-footer-contact i{color:var(--mk-primary);margin-top:6px;font-size:13px;width:15px;flex:0 0 auto;}
.mk-footer-qr{
  margin-top:18px;width:104px;height:104px;border-radius:8px;background:rgba(255,255,255,.94);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;color:var(--mk-deep);
}
.mk-footer-qr i{font-size:30px;}
.mk-footer-qr span{font-size:10.5px;color:var(--mk-muted);}
.mk-footer-bottom{
  margin-top:56px;padding:22px 0 26px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;align-items:center;
  font-size:13px;color:rgba(255,255,255,.5);
}
.mk-footer-bottom .mk-mono{color:rgba(255,255,255,.5);}

/* ============ 响应式 ============ */
@media screen and (max-width:1024px){
  .mk-nav{display:none;}
  .mk-menu-btn{display:flex;}
  .mk-section{padding:76px 0;}
  .mk-section--tight{padding:64px 0;}
  .mk-split{gap:40px;}
  .mk-split + .mk-split{margin-top:68px;}
  .mk-split-body h3{font-size:22px;}
  .mk-reviews{grid-template-columns:repeat(2,1fr);}
  .mk-review:nth-child(2){margin-top:0;}
  .mk-review:nth-child(3){margin-top:24px;}
  .mk-stat-grid{grid-template-columns:repeat(2,1fr);gap:30px 24px;}
  .mk-footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .mk-download{padding:48px 40px;}
  .mk-download-grid{grid-template-columns:1fr;gap:36px;}
  .mk-download-alt{justify-content:flex-start;}
}
@media screen and (max-width:768px){
  .grid-container{padding-left:18px;padding-right:18px;}
  .mk-search-form{padding:0 18px;}
  .mk-hero{padding:calc(64px + 56px) 0 64px;}
  .mk-split{grid-template-columns:1fr;gap:28px;}
  .mk-split--reverse .mk-split-media{order:0;}
  .mk-split + .mk-split{margin-top:56px;}
  .mk-reviews{grid-template-columns:1fr;}
  .mk-review:nth-child(3){margin-top:0;}
  .mk-download{border-radius:18px;padding:40px 24px;}
  .mk-download .mk-btn--l{width:100%;}
  .mk-download-alt{width:100%;}
  .mk-download-alt .mk-btn{flex:1 1 auto;}
  .mk-thumb{width:88px;}
  .mk-footer{padding-top:56px;}
  .mk-footer-grid{grid-template-columns:1fr;gap:34px;}
}
@media screen and (max-width:520px){
  body{font-size:15.5px;}
  .mk-logo-text{font-size:17px;}
  .mk-logo-text em{display:none;}
  .mk-hero-cta{flex-direction:column;align-items:stretch;}
  .mk-hero-cta .mk-btn{width:100%;}
  .mk-trust{gap:10px 18px;font-size:12px;}
  .mk-trust span + span::before{display:none;}
  .mk-section{padding:56px 0;}
  .mk-section--tight{padding:50px 0;}
  .mk-section-head{margin-bottom:32px;}
  .mk-stat-grid{grid-template-columns:1fr;}
  .mk-orbit .orbit-previous,.mk-orbit .orbit-next{width:38px;height:38px;font-size:12px;}
  .mk-orbit .orbit-previous{left:8px;}
  .mk-orbit .orbit-next{right:8px;}
  .mk-dl-meta{font-size:11.5px;gap:8px 18px;}
}

/* roulang page: article */
:root{
  --mk-bg:#FAF8F5;
  --mk-surface:#FFFFFF;
  --mk-ink:#171A1F;
  --mk-body:#3A3F46;
  --mk-muted:#6B7076;
  --mk-primary:#D9762B;
  --mk-primary-hover:#B85F1E;
  --mk-primary-soft:#FBF0E6;
  --mk-accent:#2F6F63;
  --mk-deep:#262C34;
  --mk-line:#E6E1DA;
  --mk-placeholder:#EFEAE3;
  --mk-r-card:16px;
  --mk-r-btn:10px;
  --mk-r-img:12px;
  --mk-shadow:0 1px 2px rgba(23,26,31,.06),0 8px 24px rgba(23,26,31,.05);
  --mk-shadow-hover:0 2px 4px rgba(23,26,31,.08),0 16px 36px rgba(23,26,31,.10);
  --mk-container:1200px;
  --mk-mono:ui-monospace,Menlo,Consolas,"Courier New",monospace;
}

/* ===== 基础 ===== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  color:var(--mk-body);
  background-color:var(--mk-bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--mk-primary);text-decoration:none;transition:color .18s ease-out,background-color .18s ease-out,border-color .18s ease-out,transform .18s ease-out}
a:hover{color:var(--mk-primary-hover)}
button,input,textarea,select{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{margin:0;color:var(--mk-ink);font-weight:700;letter-spacing:.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--mk-primary);outline-offset:2px;border-radius:4px}
.mk-mono{font-family:var(--mk-mono);font-variant-numeric:tabular-nums}
.grid-container{max-width:var(--mk-container);padding-left:24px;padding-right:24px}

/* ===== 导航 ===== */
.mk-header{
  position:sticky;
  top:0;
  z-index:200;
  background:rgba(250,248,245,.68);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(23,26,31,.06);
  transition:background-color .22s ease-out,box-shadow .22s ease-out;
}
.mk-header.is-stuck{
  background:rgba(250,248,245,.97);
  box-shadow:0 8px 26px rgba(23,26,31,.08);
}
.mk-nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:72px;
}
.mk-logo{display:flex;align-items:center;gap:12px;flex:0 0 auto;color:var(--mk-ink)}
.mk-logo:hover{color:var(--mk-ink)}
.mk-logo-mark{
  width:42px;height:42px;flex:0 0 auto;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--mk-mono);font-size:15px;font-weight:800;letter-spacing:.06em;color:#fff;
  background:linear-gradient(150deg,#E8873C,#C15E15);
  box-shadow:0 4px 12px rgba(217,118,43,.30);
}
.mk-logo-text{font-size:17px;font-weight:800;color:var(--mk-ink);line-height:1.25}
.mk-logo-text em{display:block;font-style:normal;font-size:12px;font-weight:500;color:var(--mk-muted);letter-spacing:.04em;margin-top:1px}
.mk-nav{display:flex;align-items:center;gap:4px;flex:1 1 auto;justify-content:center}
.mk-nav a{
  position:relative;display:inline-block;
  padding:10px 14px;border-radius:8px;
  font-size:15px;font-weight:500;color:var(--mk-body);white-space:nowrap;
  transition:color .18s ease-out,background-color .18s ease-out;
}
.mk-nav a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;
  background:var(--mk-primary);transform:scaleX(0);transform-origin:left center;
  transition:transform .22s ease-out;
}
.mk-nav a:hover{color:var(--mk-ink);background:rgba(217,118,43,.07)}
.mk-nav a:hover::after,.mk-nav a.is-active::after{transform:scaleX(1)}
.mk-nav a.is-active{color:var(--mk-ink);font-weight:600}
.mk-nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.mk-icon-btn{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--mk-line);background:#fff;
  color:var(--mk-body);cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;
  transition:color .18s ease-out,border-color .18s ease-out,background-color .18s ease-out;
}
.mk-icon-btn:hover{color:var(--mk-primary);border-color:rgba(217,118,43,.42);background:var(--mk-primary-soft)}
.mk-menu-btn{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--mk-line);background:#fff;
  cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.mk-menu-btn span{display:block;width:18px;height:2px;border-radius:2px;background:var(--mk-ink);transition:transform .2s ease-out,opacity .2s ease-out}
.mk-menu-btn[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.mk-menu-btn[aria-expanded="true"] span:nth-child(2){opacity:0}
.mk-menu-btn[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mk-search-panel{
  border-top:1px solid rgba(23,26,31,.06);
  background:rgba(250,248,245,.97);
  padding:14px 0;
}
.mk-search-form{max-width:720px;margin:0 auto;display:flex;align-items:center;gap:12px;padding:0 24px;position:relative}
.mk-search-form>i{position:absolute;left:42px;color:var(--mk-muted);font-size:14px;pointer-events:none}
.mk-search-form input{
  flex:1 1 auto;min-width:0;height:44px;border-radius:10px;border:1px solid var(--mk-line);
  background:#fff;color:var(--mk-ink);padding:0 16px 0 44px;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.mk-search-form input::placeholder{color:#9AA0A6}
.mk-search-form input:focus{border-color:var(--mk-primary);outline:none;box-shadow:0 0 0 3px rgba(217,118,43,.14)}

/* ===== 按钮 ===== */
.mk-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--mk-r-btn);border:1px solid transparent;
  cursor:pointer;font-weight:600;line-height:1;white-space:nowrap;
  transition:background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out;
}
.mk-btn--s{height:38px;padding:0 18px;font-size:14px}
.mk-btn--m{height:44px;padding:0 24px;font-size:15px}
.mk-btn--l{height:52px;padding:0 32px;font-size:16px}
.mk-btn--primary{background:var(--mk-primary);color:#fff;box-shadow:0 6px 16px rgba(217,118,43,.24)}
.mk-btn--primary:hover{background:var(--mk-primary-hover);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(217,118,43,.30)}
.mk-btn--primary:active{transform:translateY(1px);box-shadow:0 4px 12px rgba(217,118,43,.22)}
.mk-btn--secondary{background:#fff;color:var(--mk-ink);border-color:var(--mk-ink)}
.mk-btn--secondary:hover{color:var(--mk-primary);border-color:var(--mk-primary);transform:translateY(-1px)}
.mk-btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.mk-btn--ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;transform:translateY(-1px)}
.mk-btn--text{background:transparent;color:var(--mk-primary);height:auto;padding:0;gap:6px}
.mk-btn--text:hover{color:var(--mk-primary-hover);gap:10px}

/* ===== 面包屑与文章头 ===== */
.mk-crumb-bar{padding:24px 0 0}
.mk-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--mk-muted);line-height:1.6}
.mk-crumb a{color:var(--mk-muted)}
.mk-crumb a:hover{color:var(--mk-primary)}
.mk-crumb .is-current{
  color:var(--mk-primary);font-weight:500;
  max-width:56ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.mk-crumb-sep{color:#C9C2B8;font-size:13px}

.mk-article-head{max-width:760px;padding:30px 0 34px}
.mk-badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--mk-primary-soft);color:var(--mk-primary);
  font-size:13px;font-weight:600;letter-spacing:.02em;
}
.mk-article-title{
  font-size:clamp(26px,3.4vw,40px);
  line-height:1.32;
  margin:16px 0 18px;
  color:var(--mk-ink);
  word-break:break-word;
}
.mk-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:14px;color:var(--mk-muted)}
.mk-meta-item{display:inline-flex;align-items:center;gap:6px}
.mk-meta-item i{color:var(--mk-accent);font-size:13px}
.mk-meta-dot{width:4px;height:4px;border-radius:50%;background:#CFC8BE}

/* ===== 文章布局 ===== */
.mk-article-layout{display:flex;gap:56px;align-items:flex-start;padding-bottom:16px}
.mk-article-main{flex:1 1 auto;min-width:0;max-width:760px}

/* ===== 正文排版 ===== */
.mk-prose{font-size:16px;line-height:1.9;color:var(--mk-body);word-break:break-word}
.mk-prose>*:first-child{margin-top:0}
.mk-prose h2{
  font-size:clamp(22px,2.4vw,30px);line-height:1.35;color:var(--mk-ink);
  margin:1.6em 0 .75em;padding-left:14px;position:relative;
}
.mk-prose h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:3px;border-radius:2px;background:var(--mk-primary);
}
.mk-prose h3{font-size:20px;line-height:1.45;color:var(--mk-ink);margin:1.2em 0 .6em}
.mk-prose h4{font-size:17px;line-height:1.5;color:var(--mk-ink);margin:1.1em 0 .5em}
.mk-prose p{margin:0 0 1em}
.mk-prose a{color:var(--mk-primary);border-bottom:1px solid rgba(217,118,43,.35)}
.mk-prose a:hover{border-bottom-color:var(--mk-primary)}
.mk-prose strong{color:var(--mk-ink)}
.mk-prose blockquote{
  margin:1.5em 0;padding:16px 22px;
  border-left:3px solid var(--mk-primary);
  background:#FDF7F1;border-radius:0 12px 12px 0;color:var(--mk-body);
}
.mk-prose blockquote p:last-child{margin-bottom:0}
.mk-prose ul,.mk-prose ol{margin:0 0 1.2em;padding-left:1.5em}
.mk-prose ul{list-style:disc}
.mk-prose ol{list-style:decimal}
.mk-prose li{margin-bottom:.5em;line-height:1.85}
.mk-prose li::marker{color:var(--mk-primary)}
.mk-prose img{border-radius:var(--mk-r-img);margin:1.5em auto;box-shadow:var(--mk-shadow);background:var(--mk-placeholder)}
.mk-prose figure{margin:1.5em 0}
.mk-prose figcaption{font-size:13px;color:var(--mk-muted);text-align:center;margin-top:.6em;line-height:1.6}
.mk-prose hr{border:0;border-top:1px solid var(--mk-line);margin:2em 0}
.mk-prose code{
  font-family:var(--mk-mono);font-size:.92em;
  background:#F3EFE9;color:#8A4A12;padding:2px 6px;border-radius:6px;
}
.mk-prose pre{
  background:#22262D;color:#EDE6DC;border-radius:12px;padding:18px 20px;
  overflow-x:auto;font-family:var(--mk-mono);font-size:13.5px;line-height:1.75;margin:1.5em 0;
}
.mk-prose pre code{background:transparent;color:inherit;padding:0}
.mk-prose table{width:100%;border-collapse:collapse;font-size:15px;background:#fff}
.mk-prose th,.mk-prose td{border:1px solid var(--mk-line);padding:10px 14px;text-align:left;vertical-align:top}
.mk-prose th{background:#F7F3ED;color:var(--mk-ink);font-weight:600;white-space:nowrap}
.mk-prose>table{margin:1.5em 0}
.mk-tablewrap{overflow-x:auto;margin:1.5em 0;border:1px solid var(--mk-line);border-radius:12px;background:#fff}

/* ===== 空态 ===== */
.mk-empty{
  border:1px dashed #D8D1C7;border-radius:var(--mk-r-card);background:rgba(255,255,255,.66);
  padding:44px 28px;text-align:center;color:var(--mk-muted);
}
.mk-empty i{font-size:30px;color:#C9C2B8;display:block;margin-bottom:14px}
.mk-empty p{font-size:15px;margin-bottom:18px}
.mk-empty .mk-empty-title{font-size:17px;color:var(--mk-ink);font-weight:600;margin-bottom:8px}

/* ===== 正文脚部 ===== */
.mk-article-foot{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  margin-top:48px;padding-top:28px;border-top:1px solid var(--mk-line);
}

/* ===== 侧栏 ===== */
.mk-side{flex:0 0 300px;display:flex;flex-direction:column;gap:20px;position:sticky;top:96px}
.mk-side-card{
  background:#fff;border:1px solid var(--mk-line);border-radius:var(--mk-r-card);
  padding:22px;box-shadow:var(--mk-shadow);
}
.mk-side-card h3{font-size:15px;letter-spacing:.02em;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.mk-side-card h3 i{color:var(--mk-accent);font-size:14px}
.mk-side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:9px 10px;border-radius:10px;font-size:14.5px;color:var(--mk-body);
}
.mk-side-links a:hover{background:var(--mk-primary-soft);color:var(--mk-primary);transform:translateX(2px)}
.mk-side-links a i{font-size:12px;color:var(--mk-muted)}
.mk-side-links li+li{margin-top:2px}
.mk-side-support{background-color:var(--mk-deep);border-color:var(--mk-deep)}
.mk-side-support h3{color:#fff}
.mk-side-support h3 i{color:#E8873C}
.mk-side-support p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72)}
.mk-side-support .mk-mail{display:block;margin-top:12px;font-size:14px;color:#F2C79C;word-break:break-all}

/* ===== 相关推荐 ===== */
.mk-related{padding:84px 0 0}
.mk-sec-head{margin-bottom:32px;max-width:720px}
.mk-sec-label{
  display:inline-block;font-family:var(--mk-mono);font-size:12px;font-weight:700;
  color:var(--mk-accent);letter-spacing:.16em;text-transform:uppercase;margin-bottom:10px;
}
.mk-sec-head h2{font-size:clamp(22px,2.6vw,32px);line-height:1.35}

.mk-card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.mk-card{
  display:flex;flex-direction:column;background:#fff;
  border:1px solid var(--mk-line);border-radius:var(--mk-r-card);overflow:hidden;
  box-shadow:var(--mk-shadow);
  transition:transform .22s ease-out,box-shadow .22s ease-out;
}
.mk-card:hover{transform:translateY(-2px);box-shadow:var(--mk-shadow-hover)}
.mk-card-thumb{aspect-ratio:16/10;background:var(--mk-placeholder);overflow:hidden}
.mk-card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease-out}
.mk-card:hover .mk-card-thumb img{transform:scale(1.04)}
.mk-card-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto}
.mk-card-body h3{font-size:18px;line-height:1.45}
.mk-card-body p{font-size:14.5px;color:var(--mk-muted);line-height:1.75}
.mk-card-foot{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--mk-line);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--mk-muted);
}

/* ===== 深色下载区 ===== */
.mk-cta{
  margin-top:84px;
  background-color:var(--mk-deep);
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:40px 40px;
  color:#fff;padding:72px 0;
}
.mk-cta-inner{display:grid;grid-template-columns:1.35fr 1fr;gap:44px;align-items:center}
.mk-cta h2{color:#fff;font-size:clamp(24px,2.8vw,34px);line-height:1.35;margin-bottom:14px}
.mk-cta p{color:rgba(255,255,255,.72);font-size:15.5px;line-height:1.8;max-width:56ch}
.mk-cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.mk-cta-spec{
  display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:26px;
  font-family:var(--mk-mono);font-size:13px;color:rgba(255,255,255,.56);
}
.mk-cta-side{
  border:1px solid rgba(255,255,255,.14);border-radius:var(--mk-r-card);
  background:rgba(255,255,255,.04);padding:26px;
}
.mk-cta-side h3{color:#fff;font-size:16px;margin-bottom:16px}
.mk-cta-list li{display:flex;align-items:center;gap:10px;font-size:14.5px;color:rgba(255,255,255,.78);padding:9px 0;border-bottom:1px dashed rgba(255,255,255,.12)}
.mk-cta-list li:last-child{border-bottom:0}
.mk-cta-list i{color:#E8873C;font-size:13px}

/* ===== 页脚 ===== */
.mk-footer{background-color:var(--mk-deep);color:rgba(255,255,255,.72);padding:64px 0 0}
.mk-footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px}
.mk-footer h4{font-size:15px;color:rgba(255,255,255,.95);margin-bottom:18px;letter-spacing:.02em}
.mk-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6)}
.mk-footer a{color:rgba(255,255,255,.72);font-size:14px}
.mk-footer a:hover{color:var(--mk-primary)}
.mk-footer ul li+li{margin-top:10px}
.mk-footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.mk-footer-brand-text{font-size:16px;font-weight:800;color:#fff}
.mk-footer-brand-text em{font-style:normal;font-size:12px;font-weight:400;color:rgba(255,255,255,.55);margin-left:6px}
.mk-footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;line-height:1.7;color:rgba(255,255,255,.72)}
.mk-footer-contact i{color:var(--mk-primary);margin-top:5px;font-size:13px}
.mk-footer-qr{
  margin-top:18px;display:inline-flex;align-items:center;gap:10px;
  padding:10px 16px;border:1px solid rgba(255,255,255,.14);border-radius:12px;
  background:rgba(255,255,255,.04);font-size:13px;color:rgba(255,255,255,.72);
}
.mk-footer-qr i{font-size:22px;color:#fff}
.mk-footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);padding:22px 0;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ===== 响应式 ===== */
@media screen and (max-width:1024px){
  .mk-article-layout{flex-direction:column;gap:40px}
  .mk-article-main{max-width:none;width:100%}
  .mk-side{position:static;width:100%;flex:0 0 auto;flex-direction:row;flex-wrap:wrap}
  .mk-side-card{flex:1 1 280px}
  .mk-card-grid{grid-template-columns:repeat(2,1fr)}
  .mk-cta-inner{grid-template-columns:1fr;gap:30px}
  .mk-footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .mk-related{padding-top:72px}
}
@media screen and (max-width:1023px){
  .mk-nav{
    position:absolute;left:0;right:0;top:100%;
    display:none;flex-direction:column;align-items:stretch;justify-content:flex-start;gap:0;
    background:rgba(250,248,245,.98);
    -webkit-backdrop-filter:blur(14px) saturate(140%);
    backdrop-filter:blur(14px) saturate(140%);
    border-bottom:1px solid var(--mk-line);
    box-shadow:0 18px 34px rgba(23,26,31,.10);
    padding:10px 24px 20px;
    max-height:calc(100vh - 72px);
    overflow-y:auto;
  }
  .mk-nav.is-open{display:flex}
  .mk-nav a{
    min-height:44px;display:flex;align-items:center;
    padding:10px 4px;border-radius:0;border-bottom:1px solid var(--mk-line);
  }
  .mk-nav a:last-child{border-bottom:0}
  .mk-nav a::after{left:4px;right:auto;width:22px;bottom:2px}
  .mk-nav a:hover{background:transparent}
  .mk-menu-btn{display:flex}
}
@media screen and (max-width:768px){
  .grid-container{padding-left:16px;padding-right:16px}
  .mk-nav-wrap{gap:12px;min-height:64px}
  .mk-logo-mark{width:38px;height:38px;font-size:14px}
  .mk-logo-text{font-size:15.5px}
  .mk-logo-text em{font-size:11px}
  .mk-nav{padding:10px 16px 18px;max-height:calc(100vh - 64px)}
  .mk-search-form{padding:0 16px}
  .mk-search-form>i{left:34px}
  .mk-search-btn{display:none}
  .mk-card-grid{grid-template-columns:1fr}
  .mk-footer-grid{grid-template-columns:1fr;gap:30px}
  .mk-cta{padding:56px 0;margin-top:64px}
  .mk-related{padding-top:56px}
  .mk-article-head{padding:22px 0 26px}
  .mk-cta-spec{font-size:12px;gap:8px 18px}
  .mk-side{flex-direction:column}
  .mk-side-card{flex:1 1 auto}
}
@media screen and (max-width:520px){
  body{font-size:15.5px}
  .mk-prose{font-size:15.5px}
  .mk-article-title{font-size:24px}
  .mk-crumb .is-current{max-width:100%;white-space:normal}
  .mk-cta-actions .mk-btn{width:100%}
  .mk-meta{gap:10px;font-size:13.5px}
  .mk-meta-dot{display:none}
  .mk-article-foot{flex-direction:column;align-items:stretch}
  .mk-article-foot .mk-btn{width:100%}
  .mk-footer-bottom{flex-direction:column;gap:6px}
}

/* roulang page: category1 */
:root{
  --mk-bg:#FAF8F5;
  --mk-surface:#FFFFFF;
  --mk-ink:#171A1F;
  --mk-body:#3A3F46;
  --mk-muted:#6B7076;
  --mk-primary:#D9762B;
  --mk-primary-hover:#B85F1E;
  --mk-primary-soft:#FBF0E6;
  --mk-accent:#2F6F63;
  --mk-accent-soft:#EAF2EF;
  --mk-deep:#262C34;
  --mk-line:#E6E1DA;
  --mk-line-strong:#D8D1C7;
  --mk-radius:16px;
  --mk-radius-s:10px;
  --mk-radius-pill:999px;
  --mk-shadow:0 1px 2px rgba(23,26,31,.06), 0 8px 24px rgba(23,26,31,.05);
  --mk-shadow-hover:0 2px 4px rgba(23,26,31,.08), 0 16px 36px rgba(23,26,31,.10);
  --mk-mono:ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --mk-sans:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC","Noto Sans CJK SC",Helvetica,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--mk-sans);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  color:var(--mk-body);
  background-color:var(--mk-bg);
  background-image:radial-gradient(rgba(23,26,31,.035) 1px, transparent 1px);
  background-size:22px 22px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--mk-primary);text-decoration:none;transition:color .18s ease-out}
a:hover{color:var(--mk-primary-hover)}
h1,h2,h3,h4{color:var(--mk-ink);margin:0;font-weight:700;letter-spacing:.01em}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0}
button,input{font-family:inherit}
button{cursor:pointer}
a:focus-visible,button:focus-visible,input:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--mk-primary);outline-offset:2px;border-radius:6px}
.mk-mono{font-family:var(--mk-mono);font-variant-numeric:tabular-nums;letter-spacing:0}
.mk-container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
.mk-section{padding:88px 0}
.mk-section--tight{padding:64px 0}
.mk-section-head{max-width:760px;margin-bottom:40px}
.mk-section-head h2{font-size:clamp(24px,3vw,34px);line-height:1.3;margin-bottom:14px}
.mk-section-head p{font-size:16px;color:var(--mk-muted);margin:0}
.mk-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.14em;
  color:var(--mk-accent);text-transform:uppercase;
  border:1px dashed var(--mk-line-strong);border-radius:var(--mk-radius-pill);
  padding:4px 14px;margin-bottom:16px;background:#fff;
}
.mk-eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--mk-primary)}

/* ============ 头部导航 ============ */
.mk-header{
  position:fixed;top:0;left:0;right:0;z-index:90;
  background:rgba(250,248,245,.68);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(23,26,31,.06);
  transition:background .22s ease-out, box-shadow .22s ease-out;
}
.mk-header.is-stuck{background:rgba(250,248,245,.97);box-shadow:0 8px 28px rgba(23,26,31,.09)}
.mk-nav-wrap{display:flex;align-items:center;gap:28px;min-height:74px;max-width:1200px;padding:0 24px}
.mk-logo{display:flex;align-items:center;gap:12px;flex:0 0 auto;color:var(--mk-ink)}
.mk-logo:hover{color:var(--mk-ink)}
.mk-logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:12px;
  background:var(--mk-primary);color:#fff;
  font-family:var(--mk-mono);font-size:15px;font-weight:700;letter-spacing:.04em;
  box-shadow:inset 0 0 0 2px rgba(255,255,255,.35), 0 6px 14px rgba(217,118,43,.28);
}
.mk-logo-text{font-size:17px;font-weight:700;line-height:1.2;color:var(--mk-ink)}
.mk-logo-text em{display:block;font-style:normal;font-size:12px;font-weight:500;color:var(--mk-muted);letter-spacing:.06em}
.mk-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.mk-nav a{
  position:relative;display:inline-flex;align-items:center;
  padding:10px 14px;border-radius:var(--mk-radius-s);
  font-size:15px;color:var(--mk-ink);font-weight:500;
}
.mk-nav a:hover{color:var(--mk-primary);background:rgba(217,118,43,.07)}
.mk-nav a.is-active{color:var(--mk-primary);font-weight:600}
.mk-nav a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--mk-primary);border-radius:2px;
}
.mk-nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.mk-icon-btn{
  width:40px;height:40px;border-radius:var(--mk-radius-s);
  border:1px solid var(--mk-line);background:#fff;color:var(--mk-ink);
  display:inline-flex;align-items:center;justify-content:center;
  transition:all .18s ease-out;
}
.mk-icon-btn:hover{border-color:var(--mk-primary);color:var(--mk-primary);transform:translateY(-1px)}
.mk-menu-btn{
  display:none;width:44px;height:40px;border:1px solid var(--mk-line);background:#fff;
  border-radius:var(--mk-radius-s);padding:0;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.mk-menu-btn span{display:block;width:18px;height:2px;background:var(--mk-ink);border-radius:2px;transition:transform .2s ease-out,opacity .2s ease-out}
.mk-menu-btn.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.mk-menu-btn.is-open span:nth-child(2){opacity:0}
.mk-menu-btn.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mk-search-panel{
  position:absolute;top:100%;right:calc((100% - min(1200px,100%)) / 2 + 24px);
  width:min(440px,calc(100% - 32px));padding:16px;
  background:#fff;border:1px solid var(--mk-line);border-radius:var(--mk-radius);
  box-shadow:0 20px 44px rgba(23,26,31,.14);
}
.mk-search-form{display:flex;align-items:center;gap:10px}
.mk-search-form i{color:var(--mk-muted)}
.mk-search-form input{
  flex:1 1 auto;height:44px;border:1px solid var(--mk-line);border-radius:var(--mk-radius-s);
  padding:0 14px;font-size:15px;color:var(--mk-ink);background:var(--mk-bg);
  transition:border-color .18s ease-out, box-shadow .18s ease-out;
}
.mk-search-form input:focus{border-color:var(--mk-primary);background:#fff;box-shadow:0 0 0 3px rgba(217,118,43,.14);outline:none}

/* ============ 按钮 ============ */
.mk-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--mk-radius-s);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;
  padding:14px 26px;min-height:48px;
  transition:transform .18s ease-out, background-color .18s ease-out, color .18s ease-out, border-color .18s ease-out, box-shadow .18s ease-out;
}
.mk-btn--primary{background:var(--mk-primary);color:#fff;box-shadow:inset 0 0 0 1px rgba(255,255,255,.22), 0 6px 16px rgba(217,118,43,.24)}
.mk-btn--primary:hover{background:var(--mk-primary-hover);color:#fff;transform:translateY(-1px);box-shadow:inset 0 0 0 1px rgba(255,255,255,.22), 0 10px 24px rgba(217,118,43,.3)}
.mk-btn--primary:active{transform:translateY(1px)}
.mk-btn--secondary{background:#fff;border-color:var(--mk-line-strong);color:var(--mk-ink)}
.mk-btn--secondary:hover{border-color:var(--mk-ink);color:var(--mk-ink);transform:translateY(-1px)}
.mk-btn--ghost{background:transparent;border-color:rgba(255,255,255,.34);color:#fff}
.mk-btn--ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.6);color:#fff;transform:translateY(-1px)}
.mk-btn--s{padding:9px 16px;min-height:38px;font-size:14px;border-radius:var(--mk-radius-s)}
.mk-btn--l{padding:17px 34px;min-height:54px;font-size:17px}
.mk-btn--block{width:100%}
.mk-link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--mk-primary)}
.mk-link-arrow::after{content:"→";transition:transform .18s ease-out}
.mk-link-arrow:hover::after{transform:translateX(3px)}

/* ============ 徽章 ============ */
.mk-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 11px;border-radius:var(--mk-radius-pill);
  font-size:12.5px;font-weight:600;line-height:1.7;
  background:#F1EEE9;color:var(--mk-muted);border:1px solid var(--mk-line);
  white-space:nowrap;
}
.mk-badge--primary{background:var(--mk-primary-soft);color:var(--mk-primary);border-color:rgba(217,118,43,.22)}
.mk-badge--accent{background:var(--mk-accent-soft);color:var(--mk-accent);border-color:rgba(47,111,99,.2)}

/* ============ 首屏 ============ */
.mk-banner{position:relative;overflow:hidden;padding:152px 0 62px;background:var(--mk-bg)}
.mk-banner-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.14;filter:saturate(.75)}
.mk-banner::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(250,248,245,.72) 0%,rgba(250,248,245,.96) 60%,var(--mk-bg) 100%)}
.mk-banner .mk-container{position:relative;z-index:2}
.mk-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--mk-muted);margin-bottom:18px}
.mk-crumb a{color:var(--mk-muted)}
.mk-crumb a:hover{color:var(--mk-primary)}
.mk-crumb span{color:var(--mk-line-strong)}
.mk-crumb em{font-style:normal;color:var(--mk-primary);font-weight:600}
.mk-banner h1{font-size:clamp(30px,4.2vw,48px);line-height:1.22;margin-bottom:16px;max-width:16em}
.mk-banner-sub{font-size:17px;color:var(--mk-body);max-width:44em;margin-bottom:26px}
.mk-banner-facts{
  display:flex;flex-wrap:wrap;gap:10px 28px;list-style:none;
  padding:14px 20px;border:1px dashed var(--mk-line-strong);border-radius:var(--mk-radius);
  background:rgba(255,255,255,.72);
}
.mk-banner-facts li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--mk-muted)}
.mk-banner-facts strong{color:var(--mk-ink);font-weight:700}
.mk-banner-facts i{color:var(--mk-accent)}

/* ============ 平台快捷分区 ============ */
.mk-platforms{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.mk-platform{
  position:relative;background:var(--mk-surface);border:1px solid var(--mk-line);
  border-radius:var(--mk-radius);padding:24px;box-shadow:var(--mk-shadow);
  transition:transform .2s ease-out, box-shadow .2s ease-out, border-color .2s ease-out;
  display:flex;flex-direction:column;gap:12px;
}
.mk-platform::before{
  content:"";position:absolute;top:0;left:24px;right:24px;height:3px;
  background:var(--mk-accent);border-radius:0 0 3px 3px;opacity:.55;
}
.mk-platform:hover{transform:translateY(-3px);box-shadow:var(--mk-shadow-hover);border-color:var(--mk-line-strong)}
.mk-platform-icon{
  width:44px;height:44px;border-radius:12px;background:var(--mk-accent-soft);color:var(--mk-accent);
  display:inline-flex;align-items:center;justify-content:center;font-size:18px;
}
.mk-platform h3{font-size:19px;margin:0}
.mk-platform p{font-size:14px;color:var(--mk-muted);margin:0}
.mk-platform dl{display:grid;gap:6px;margin:2px 0 6px}
.mk-platform dl div{display:flex;justify-content:space-between;gap:10px;font-size:13px;border-bottom:1px dotted var(--mk-line);padding-bottom:5px}
.mk-platform dt{color:var(--mk-muted);margin:0}
.mk-platform dd{margin:0;color:var(--mk-ink);font-family:var(--mk-mono);font-size:13px}

/* ============ 版本 + 步骤 ============ */
.mk-split{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:start}
.mk-block-title{font-size:22px;margin-bottom:8px}
.mk-block-desc{font-size:14.5px;color:var(--mk-muted);margin-bottom:26px}
.mk-release-list{display:grid;gap:16px}
.mk-release{
  position:relative;background:#fff;border:1px solid var(--mk-line);
  border-radius:var(--mk-radius);padding:22px 24px 22px 28px;box-shadow:var(--mk-shadow);
  transition:transform .2s ease-out, box-shadow .2s ease-out;
}
.mk-release::before{content:"";position:absolute;left:0;top:20px;bottom:20px;width:4px;background:var(--mk-primary);border-radius:0 4px 4px 0}
.mk-release:hover{transform:translateY(-2px);box-shadow:var(--mk-shadow-hover)}
.mk-release-head{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:14px}
.mk-release-ver{font-size:19px;font-weight:700;color:var(--mk-ink)}
.mk-release-meta{display:flex;flex-wrap:wrap;gap:10px 26px;margin:0 0 16px}
.mk-release-meta div{display:flex;align-items:baseline;gap:8px}
.mk-release-meta dt{font-size:13px;color:var(--mk-muted);margin:0}
.mk-release-meta dd{margin:0;font-size:14px;color:var(--mk-ink)}
.mk-release-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px}

.mk-steps{position:relative;list-style:none;padding-left:42px}
.mk-steps::before{content:"";position:absolute;left:13px;top:12px;bottom:14px;width:2px;background:linear-gradient(180deg,var(--mk-primary) 0%,rgba(217,118,43,.14) 100%)}
.mk-step{position:relative;padding-bottom:26px}
.mk-step:last-child{padding-bottom:0}
.mk-step-num{
  position:absolute;left:-42px;top:2px;width:28px;height:28px;border-radius:50%;
  background:#fff;border:2px solid var(--mk-primary);color:var(--mk-primary);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--mk-mono);font-size:12.5px;font-weight:700;
}
.mk-step h4{font-size:16.5px;margin-bottom:6px}
.mk-step p{font-size:14.5px;color:var(--mk-muted);margin:0}
.mk-shot{margin-top:30px;border:1px solid var(--mk-line);border-radius:var(--mk-radius);overflow:hidden;background:#EFEAE3}
.mk-shot img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0}
.mk-shot figcaption{font-size:13px;color:var(--mk-muted);padding:12px 16px;background:#fff;border-top:1px solid var(--mk-line)}

/* ============ 检查卡组 ============ */
.mk-checks{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.mk-check{
  background:#fff;border:1px solid var(--mk-line);border-radius:var(--mk-radius);
  padding:24px;box-shadow:var(--mk-shadow);
  transition:transform .2s ease-out, box-shadow .2s ease-out;
}
.mk-check:hover{transform:translateY(-3px);box-shadow:var(--mk-shadow-hover)}
.mk-check .mk-check-idx{
  font-family:var(--mk-mono);font-size:13px;font-weight:700;color:var(--mk-accent);
  display:inline-block;padding:2px 8px;border:1px dashed rgba(47,111,99,.4);border-radius:6px;margin-bottom:14px;
}
.mk-check h3{font-size:17px;margin-bottom:10px}
.mk-check p{font-size:14.5px;color:var(--mk-muted);margin:0}
.mk-check ul{list-style:none;margin-top:14px;display:grid;gap:8px}
.mk-check li{position:relative;padding-left:22px;font-size:14px;color:var(--mk-body)}
.mk-check li::before{content:"✓";position:absolute;left:0;top:0;color:var(--mk-accent);font-weight:700}

/* ============ 深色校验区块 ============ */
.mk-dark{background:var(--mk-deep);color:rgba(255,255,255,.76);border-radius:24px;padding:48px 44px;position:relative;overflow:hidden}
.mk-dark::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:34px 34px;pointer-events:none;
}
.mk-dark > *{position:relative;z-index:2}
.mk-dark h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:14px}
.mk-dark p{color:rgba(255,255,255,.72);font-size:15px}
.mk-dark-grid{display:grid;grid-template-columns:1fr 1fr;gap:36px;margin-top:32px}
.mk-dark-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);border-radius:var(--mk-radius);padding:24px}
.mk-dark-card h3{color:#fff;font-size:16.5px;margin-bottom:12px}
.mk-dark-card p{font-size:14.5px;margin-bottom:12px}
.mk-code{
  display:block;background:rgba(0,0,0,.32);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--mk-radius-s);padding:12px 14px;
  font-family:var(--mk-mono);font-size:13px;color:#F3D9BE;overflow-x:auto;white-space:nowrap;
}
.mk-dark-list{list-style:none;display:grid;gap:10px}
.mk-dark-list li{position:relative;padding-left:24px;font-size:14.5px;color:rgba(255,255,255,.74)}
.mk-dark-list li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:2px;background:var(--mk-primary)}

/* ============ FAQ ============ */
.mk-faq{border-top:1px solid var(--mk-line);margin-top:8px}
.mk-faq-item{border-bottom:1px solid var(--mk-line)}
.mk-faq-q{
  width:100%;background:none;border:0;text-align:left;
  padding:22px 50px 22px 0;position:relative;
  font-size:17px;font-weight:600;color:var(--mk-ink);line-height:1.5;
  transition:color .18s ease-out;
}
.mk-faq-q:hover{color:var(--mk-primary)}
.mk-faq-q::after{
  content:"+";position:absolute;right:10px;top:50%;transform:translateY(-50%);
  font-family:var(--mk-mono);font-size:22px;font-weight:400;color:var(--mk-primary);
  transition:transform .24s ease-out;
}
.mk-faq-item.is-open .mk-faq-q{color:var(--mk-primary)}
.mk-faq-item.is-open .mk-faq-q::after{transform:translateY(-50%) rotate(45deg)}
.mk-faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease-out}
.mk-faq-a-inner{padding:0 50px 24px 18px;border-left:3px solid var(--mk-primary);margin-left:0}
.mk-faq-a p{font-size:15px;color:var(--mk-muted);margin:0}

/* ============ 下载 CTA ============ */
.mk-download{
  position:relative;background:var(--mk-deep);border-radius:24px;
  padding:48px 44px;color:#fff;overflow:hidden;
}
.mk-download::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:30px 30px;
}
.mk-download-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.5fr .5fr;gap:40px;align-items:center}
.mk-download h2{color:#fff;font-size:clamp(24px,3vw,34px);margin-bottom:14px}
.mk-download p{color:rgba(255,255,255,.72);font-size:15px;max-width:34em}
.mk-download-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.mk-qr{
  width:132px;height:132px;background:#fff;border-radius:12px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;
  color:var(--mk-deep);
}
.mk-qr i{font-size:44px}
.mk-qr span{font-size:12.5px;color:var(--mk-muted);letter-spacing:.04em}
.mk-download-meta{
  position:relative;z-index:2;margin-top:34px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:10px 34px;
  font-family:var(--mk-mono);font-size:12.5px;color:rgba(255,255,255,.6);
}
.mk-download-meta b{color:rgba(255,255,255,.88);font-weight:600}

/* ============ 交叉链接 ============ */
.mk-cross{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.mk-cross-card{
  display:flex;flex-direction:column;gap:10px;
  background:#fff;border:1px solid var(--mk-line);border-radius:var(--mk-radius);
  padding:22px;box-shadow:var(--mk-shadow);color:var(--mk-ink);
  transition:transform .2s ease-out, box-shadow .2s ease-out, border-color .2s ease-out;
}
.mk-cross-card:hover{transform:translateY(-3px);box-shadow:var(--mk-shadow-hover);border-color:rgba(217,118,43,.4);color:var(--mk-ink)}
.mk-cross-card i{color:var(--mk-primary);font-size:18px}
.mk-cross-card strong{font-size:16.5px}
.mk-cross-card span{font-size:13.5px;color:var(--mk-muted);line-height:1.7}

/* ============ 页脚 ============ */
.mk-footer{background:var(--mk-deep);color:rgba(255,255,255,.72);padding:72px 0 26px;margin-top:88px}
.mk-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:44px}
.mk-footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.mk-footer-brand-text{color:#fff;font-size:17px;font-weight:700;line-height:1.2}
.mk-footer-brand-text em{display:block;font-style:normal;font-size:12px;font-weight:500;color:rgba(255,255,255,.5);letter-spacing:.06em}
.mk-footer p{font-size:14px;color:rgba(255,255,255,.6);line-height:1.85}
.mk-footer h4{font-size:15px;color:rgba(255,255,255,.55);font-weight:600;letter-spacing:.06em;margin-bottom:16px}
.mk-footer ul{list-style:none;display:grid;gap:10px}
.mk-footer li{font-size:14px}
.mk-footer a{color:rgba(255,255,255,.78)}
.mk-footer a:hover{color:var(--mk-primary)}
.mk-footer-contact li{display:flex;gap:10px;align-items:flex-start;color:rgba(255,255,255,.65)}
.mk-footer-contact i{color:var(--mk-accent);margin-top:5px}
.mk-footer-qr{
  margin-top:16px;display:inline-flex;align-items:center;gap:10px;
  border:1px dashed rgba(255,255,255,.26);border-radius:var(--mk-radius-s);
  padding:10px 16px;color:rgba(255,255,255,.7);font-size:13.5px;
}
.mk-footer-qr i{font-size:20px;color:#fff}
.mk-footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);margin-top:44px;padding-top:20px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .mk-search-panel{right:24px}
}
@media (max-width:1024px){
  .mk-nav{
    position:absolute;top:100%;left:0;right:0;display:none;flex-direction:column;
    align-items:stretch;gap:0;padding:10px 24px 18px;
    background:rgba(250,248,245,.98);
    -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
    border-bottom:1px solid var(--mk-line);box-shadow:0 20px 40px rgba(23,26,31,.12);
  }
  .mk-nav.is-open{display:flex}
  .mk-nav a{padding:12px 0;min-height:44px;border-bottom:1px dashed var(--mk-line);border-radius:0}
  .mk-nav a.is-active::after{left:0;right:auto;width:28px;bottom:6px}
  .mk-menu-btn{display:flex}
  .mk-split{grid-template-columns:1fr;gap:44px}
  .mk-platforms{grid-template-columns:repeat(2,1fr)}
  .mk-checks{grid-template-columns:repeat(2,1fr)}
  .mk-cross{grid-template-columns:repeat(2,1fr)}
  .mk-dark-grid{grid-template-columns:1fr}
  .mk-footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .mk-download-inner{grid-template-columns:1fr;gap:28px}
}
@media (max-width:768px){
  .mk-section{padding:64px 0}
  .mk-banner{padding:132px 0 52px}
  .mk-banner h1{max-width:none}
  .mk-dark{padding:36px 26px;border-radius:20px}
  .mk-download{padding:36px 24px;border-radius:20px}
  .mk-container{padding:0 18px}
  .mk-nav-wrap{padding:0 18px;min-height:66px}
  .mk-banner-facts{padding:12px 16px;gap:8px 18px}
}
@media (max-width:520px){
  body{font-size:15.5px}
  .mk-platforms{grid-template-columns:1fr}
  .mk-checks{grid-template-columns:1fr}
  .mk-cross{grid-template-columns:1fr}
  .mk-footer-grid{grid-template-columns:1fr}
  .mk-release{padding:20px 18px 20px 22px}
  .mk-release-meta{gap:8px 18px}
  .mk-btn{width:100%}
  .mk-btn--s{width:auto}
  .mk-logo-text{font-size:15.5px}
  .mk-download-btns .mk-btn{width:100%}
  .mk-faq-q{font-size:16px;padding-right:42px}
  .mk-faq-a-inner{padding-right:16px}
}

/* roulang page: category2 */
:root{
  --mk-bg:#FAF8F5;
  --mk-surface:#FFFFFF;
  --mk-ink:#171A1F;
  --mk-body:#3A3F46;
  --mk-muted:#6B7076;
  --mk-primary:#D9762B;
  --mk-primary-hover:#B85F1E;
  --mk-primary-soft:#FBF0E6;
  --mk-accent:#2F6F63;
  --mk-accent-soft:#EAF2EF;
  --mk-deep:#262C34;
  --mk-line:#E6E1DA;
  --mk-placeholder:#EFEAE3;
  --mk-r-card:16px;
  --mk-r-btn:10px;
  --mk-r-img:12px;
  --mk-shadow-sm:0 1px 2px rgba(23,26,31,.06);
  --mk-shadow:0 1px 2px rgba(23,26,31,.06),0 8px 24px rgba(23,26,31,.05);
  --mk-shadow-lg:0 2px 4px rgba(23,26,31,.08),0 16px 40px rgba(23,26,31,.10);
  --mk-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  --mk-font:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mk-gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--mk-bg);
  color:var(--mk-body);
  font-family:var(--mk-font);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:var(--mk-primary);text-decoration:none;transition:color .18s ease-out;}
a:hover{color:var(--mk-primary-hover);}
h1,h2,h3,h4{margin:0;color:var(--mk-ink);font-weight:700;letter-spacing:.01em;}
h1{font-size:clamp(30px,4.2vw,48px);line-height:1.25;}
h2{font-size:clamp(23px,3vw,34px);line-height:1.3;}
h3{font-size:20px;line-height:1.45;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,textarea,select{font-family:inherit;font-size:100%;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--mk-primary);outline-offset:2px;border-radius:4px;}
.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;}
.mk-mono{font-family:var(--mk-mono);font-variant-numeric:tabular-nums;}

/* ---------- 顶部导航 ---------- */
.mk-header{
  position:sticky;top:0;z-index:80;
  background:rgba(250,248,245,.68);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(23,26,31,.06);
  transition:background .24s ease-out,box-shadow .24s ease-out;
}
.mk-header.is-stuck{background:rgba(250,248,245,.97);box-shadow:0 8px 28px rgba(23,26,31,.08);}
.mk-nav-wrap{display:flex;align-items:center;gap:20px;height:72px;}
.mk-logo{display:flex;align-items:center;gap:10px;color:var(--mk-ink);flex:0 0 auto;}
.mk-logo:hover{color:var(--mk-ink);}
.mk-logo-mark{
  width:38px;height:38px;border-radius:11px;
  background:var(--mk-deep);color:#F6E3D2;
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--mk-mono);font-size:15px;font-weight:700;letter-spacing:.04em;
  border:1px solid rgba(217,118,43,.5);
  box-shadow:inset 0 0 0 2px rgba(255,255,255,.06);
}
.mk-logo-text{font-size:17px;font-weight:700;line-height:1.2;display:flex;flex-direction:column;}
.mk-logo-text em{font-style:normal;font-size:11px;font-weight:400;color:var(--mk-muted);letter-spacing:.06em;}
.mk-nav{display:flex;align-items:center;gap:2px;margin-left:auto;}
.mk-nav a{
  position:relative;display:inline-flex;align-items:center;
  padding:10px 14px;border-radius:8px;
  color:var(--mk-body);font-size:15px;
  transition:color .18s ease-out,background .18s ease-out;
}
.mk-nav a:hover{color:var(--mk-primary);background:rgba(217,118,43,.08);}
.mk-nav a.is-active{color:var(--mk-primary);font-weight:600;}
.mk-nav a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;
  border-radius:2px;background:var(--mk-primary);
}
.mk-nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.mk-icon-btn{
  width:38px;height:38px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--mk-body);border:1px solid var(--mk-line);background:var(--mk-surface);
  transition:color .18s ease-out,border-color .18s ease-out,transform .18s ease-out;
}
.mk-icon-btn:hover{color:var(--mk-primary);border-color:rgba(217,118,43,.45);}
.mk-menu-btn{display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--mk-line);background:var(--mk-surface);flex-direction:column;align-items:center;justify-content:center;gap:4px;}
.mk-menu-btn span{display:block;width:17px;height:2px;border-radius:2px;background:var(--mk-ink);transition:transform .22s ease-out,opacity .22s ease-out;}
.mk-menu-btn.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.mk-menu-btn.is-open span:nth-child(2){opacity:0;}
.mk-menu-btn.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.mk-search-panel{
  border-top:1px solid var(--mk-line);
  background:rgba(250,248,245,.97);
  padding:14px 0;
}
.mk-search-form{max-width:1200px;margin:0 auto;padding:0 24px;display:flex;align-items:center;gap:10px;}
.mk-search-form i{color:var(--mk-muted);}
.mk-search-form input{
  flex:1;height:44px;border-radius:var(--mk-r-btn);
  border:1px solid var(--mk-line);background:var(--mk-surface);
  padding:0 14px;color:var(--mk-ink);
}
.mk-search-form input:focus{outline:none;border-color:var(--mk-primary);box-shadow:0 0 0 3px rgba(217,118,43,.16);}

/* ---------- 按钮体系 ---------- */
.mk-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--mk-r-btn);font-weight:600;line-height:1;
  padding:0 22px;height:42px;font-size:15px;white-space:nowrap;
  border:1px solid transparent;
  transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out;
}
.mk-btn--primary{background:var(--mk-primary);color:#fff;box-shadow:0 6px 16px rgba(217,118,43,.24);}
.mk-btn--primary:hover{background:var(--mk-primary-hover);color:#fff;transform:translateY(-1px);}
.mk-btn--secondary{background:var(--mk-surface);color:var(--mk-ink);border-color:var(--mk-ink);}
.mk-btn--secondary:hover{color:var(--mk-primary);border-color:var(--mk-primary);transform:translateY(-1px);}
.mk-btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.45);}
.mk-btn--ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}
.mk-btn--s{height:34px;padding:0 16px;font-size:14px;}
.mk-btn--l{height:50px;padding:0 30px;font-size:16px;}
.mk-btn:active{transform:translateY(1px);}

/* ---------- 标签 / 徽章 ---------- */
.mk-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 11px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.02em;
  background:var(--mk-primary-soft);color:var(--mk-primary-hover);
}
.mk-badge--neutral{background:#F1EDE7;color:var(--mk-muted);}
.mk-badge--accent{background:var(--mk-accent-soft);color:var(--mk-accent);}

/* ---------- 面包屑 ---------- */
.mk-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.7);margin-bottom:18px;}
.mk-crumb a{color:rgba(255,255,255,.72);}
.mk-crumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.mk-crumb span.sep{opacity:.5;}
.mk-crumb .cur{color:var(--mk-primary);font-weight:600;}

/* ---------- 首屏 ---------- */
.mk-banner{
  position:relative;overflow:hidden;
  background:var(--mk-deep);color:#fff;
  padding:52px 0 58px;
  min-height:240px;
}
.mk-banner::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  opacity:.2;
}
.mk-banner::after{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.035) 0 2px,transparent 2px 9px);
  pointer-events:none;
}
.mk-banner .grid-container{position:relative;z-index:2;}
.mk-banner h1{color:#fff;max-width:20em;}
.mk-banner .mk-lead{color:rgba(255,255,255,.78);font-size:16px;margin-top:14px;max-width:52em;}
.mk-banner-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.mk-banner-meta{
  display:flex;flex-wrap:wrap;gap:22px;margin-top:26px;
  font-family:var(--mk-mono);font-size:13px;color:rgba(255,255,255,.62);
}
.mk-banner-meta i{color:var(--mk-primary);margin-right:6px;}

/* ---------- 板块通用 ---------- */
.mk-section{padding:96px 0;}
.mk-section--tight{padding:72px 0;}
.mk-section-head{max-width:640px;margin-bottom:42px;}
.mk-section-head .mk-eyebrow{
  display:inline-block;font-family:var(--mk-mono);font-size:12px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--mk-accent);margin-bottom:12px;
}
.mk-section-head p{color:var(--mk-muted);margin-top:12px;font-size:15px;}
.mk-rule{height:1px;background:var(--mk-line);border:0;margin:0;}

/* ---------- 概览卡片 ---------- */
.mk-grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--mk-gap);}
.mk-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--mk-gap);}
.mk-card{
  background:var(--mk-surface);
  border:1px solid var(--mk-line);
  border-radius:var(--mk-r-card);
  box-shadow:var(--mk-shadow-sm);
  padding:26px;
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.mk-card:hover{transform:translateY(-2px);box-shadow:var(--mk-shadow-lg);border-color:#DED7CD;}
.mk-card h3{font-size:18px;margin-bottom:10px;}
.mk-card p{font-size:15px;color:var(--mk-muted);margin:0;}
.mk-card-icon{
  width:44px;height:44px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--mk-primary-soft);color:var(--mk-primary);
  font-size:18px;margin-bottom:16px;
}
.mk-card-icon.is-accent{background:var(--mk-accent-soft);color:var(--mk-accent);}

/* ---------- 模块主体：粘性目录 + 交替条目 ---------- */
.mk-modules-layout{display:grid;grid-template-columns:216px minmax(0,1fr);gap:56px;align-items:start;}
.mk-anchor{
  position:sticky;top:96px;
  border-left:2px solid var(--mk-line);
  padding-left:18px;
}
.mk-anchor-title{
  font-family:var(--mk-mono);font-size:12px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--mk-muted);margin-bottom:14px;
}
.mk-anchor ul{display:flex;flex-direction:column;gap:2px;}
.mk-anchor a{
  display:block;padding:7px 0;font-size:14px;color:var(--mk-body);
  border-bottom:1px dashed transparent;
  transition:color .18s ease-out,transform .18s ease-out;
}
.mk-anchor a span{font-family:var(--mk-mono);font-size:12px;color:var(--mk-muted);margin-right:8px;}
.mk-anchor a:hover{color:var(--mk-primary);transform:translateX(3px);}
.mk-anchor-foot{
  margin-top:22px;padding:14px;border-radius:12px;
  background:var(--mk-primary-soft);font-size:13px;color:var(--mk-primary-hover);line-height:1.7;
}

.mk-feature{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:44px;align-items:center;
  padding:48px 0;border-top:1px solid var(--mk-line);
  scroll-margin-top:96px;
}
.mk-feature:first-of-type{border-top:0;padding-top:0;}
.mk-feature-media{order:1;}
.mk-feature-body{order:2;}
.mk-feature.is-flip .mk-feature-media{order:2;}
.mk-feature.is-flip .mk-feature-body{order:1;}
.mk-feature-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--mk-r-img);
  border:1px solid var(--mk-line);
  background:var(--mk-placeholder);
  box-shadow:var(--mk-shadow);
}
.mk-feature-no{
  font-family:var(--mk-mono);font-size:13px;color:var(--mk-muted);
  letter-spacing:.16em;margin-bottom:10px;display:block;
}
.mk-feature-body h3{font-size:22px;margin-bottom:12px;}
.mk-feature-body h3 .idx{color:var(--mk-primary);font-family:var(--mk-mono);font-size:17px;margin-right:10px;}
.mk-feature-body > p{font-size:15px;color:var(--mk-body);margin-bottom:16px;}
.mk-check{display:flex;flex-direction:column;gap:9px;}
.mk-check li{display:flex;gap:10px;font-size:14.5px;color:var(--mk-body);line-height:1.7;}
.mk-check i{color:var(--mk-accent);margin-top:6px;font-size:13px;}
.mk-tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px;}

/* ---------- 场景分区 ---------- */
.mk-scene{background:#F4F0EA;border-top:1px solid var(--mk-line);border-bottom:1px solid var(--mk-line);}
.mk-scene-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:0;}
.mk-scene-col{padding:34px 30px;border-left:1px solid var(--mk-line);}
.mk-scene-col:first-child{border-left:0;padding-left:0;}
.mk-scene-col:last-child{padding-right:0;}
.mk-scene-col h3{font-size:19px;margin:14px 0 10px;}
.mk-scene-col p{font-size:15px;color:var(--mk-muted);margin:0;}
.mk-scene-col .mk-scene-index{
  font-family:var(--mk-mono);font-size:12px;letter-spacing:.16em;color:var(--mk-accent);
}
.mk-scene-col img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  border-radius:var(--mk-r-img);border:1px solid var(--mk-line);
  margin-bottom:18px;background:var(--mk-placeholder);
}

/* ---------- FAQ ---------- */
.mk-faq{border-top:1px solid var(--mk-line);max-width:920px;}
.mk-faq details{border-bottom:1px solid var(--mk-line);}
.mk-faq summary{
  position:relative;display:flex;align-items:center;
  padding:22px 52px 22px 20px;cursor:pointer;
  font-size:17px;color:var(--mk-ink);font-weight:600;
  list-style:none;transition:color .18s ease-out;
}
.mk-faq summary::-webkit-details-marker{display:none;}
.mk-faq summary::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;background:var(--mk-primary);border-radius:2px;
  transition:height .22s ease-out;
}
.mk-faq details[open] summary::before{height:56%;}
.mk-faq details[open] summary{color:var(--mk-primary);}
.mk-faq summary::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:16px;top:50%;transform:translateY(-50%);
  font-size:12px;color:var(--mk-muted);transition:transform .22s ease-out,color .22s ease-out;
}
.mk-faq details[open] summary::after{transform:translateY(-50%) rotate(180deg);color:var(--mk-primary);}
.mk-faq .mk-faq-body{padding:0 52px 24px 20px;font-size:15px;color:var(--mk-muted);line-height:1.85;}
.mk-faq .mk-faq-body strong{color:var(--mk-ink);font-weight:600;}

/* ---------- 下载区 ---------- */
.mk-download{
  position:relative;overflow:hidden;
  background:var(--mk-deep);color:#fff;
  border-radius:20px;padding:46px;
  box-shadow:var(--mk-shadow-lg);
}
.mk-download::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.03) 0 2px,transparent 2px 10px);
}
.mk-download-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1fr) 200px;gap:40px;align-items:center;}
.mk-download h2{color:#fff;}
.mk-download p{color:rgba(255,255,255,.72);font-size:15px;margin-top:12px;}
.mk-download-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
.mk-download-meta{
  display:flex;flex-wrap:wrap;gap:20px;margin-top:24px;
  font-family:var(--mk-mono);font-size:12.5px;color:rgba(255,255,255,.55);
  border-top:1px solid rgba(255,255,255,.14);padding-top:18px;
}
.mk-qr{
  background:#fff;border-radius:var(--mk-r-img);padding:16px;
  text-align:center;color:var(--mk-ink);
}
.mk-qr i{font-size:74px;color:var(--mk-deep);display:block;line-height:1;}
.mk-qr span{display:block;font-size:12.5px;color:var(--mk-muted);margin-top:10px;}

/* ---------- 相关分类 ---------- */
.mk-related{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--mk-gap);}
.mk-related-card{
  display:block;background:var(--mk-surface);
  border:1px solid var(--mk-line);border-left:3px solid var(--mk-primary);
  border-radius:var(--mk-r-card);padding:22px 24px;color:var(--mk-ink);
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.mk-related-card:hover{transform:translateY(-2px);box-shadow:var(--mk-shadow);color:var(--mk-ink);}
.mk-related-card strong{display:block;font-size:17px;margin-bottom:8px;}
.mk-related-card span{font-size:14px;color:var(--mk-muted);line-height:1.7;}
.mk-related-card em{
  display:inline-flex;align-items:center;gap:6px;margin-top:14px;
  font-style:normal;font-size:13.5px;color:var(--mk-primary);font-weight:600;
}

/* ---------- 页脚 ---------- */
.mk-footer{background:var(--mk-deep);color:rgba(255,255,255,.72);margin-top:96px;padding:64px 0 26px;}
.mk-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;}
.mk-footer h4{color:rgba(255,255,255,.9);font-size:15px;font-weight:600;margin-bottom:16px;}
.mk-footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);}
.mk-footer ul{display:flex;flex-direction:column;gap:10px;}
.mk-footer ul a{color:rgba(255,255,255,.72);font-size:14px;}
.mk-footer ul a:hover{color:var(--mk-primary);}
.mk-footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.mk-footer-brand-text{color:#fff;font-weight:700;font-size:16px;display:flex;flex-direction:column;line-height:1.2;}
.mk-footer-brand-text em{font-style:normal;font-size:11px;font-weight:400;color:rgba(255,255,255,.5);letter-spacing:.06em;}
.mk-footer-contact li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.68);}
.mk-footer-contact i{color:var(--mk-primary);margin-top:6px;}
.mk-footer-qr{
  display:inline-flex;align-items:center;gap:10px;margin-top:18px;
  padding:10px 14px;border-radius:10px;
  border:1px solid rgba(255,255,255,.14);color:rgba(255,255,255,.7);font-size:13px;
}
.mk-footer-qr i{font-size:20px;color:#fff;}
.mk-footer-bottom{
  margin-top:44px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1200px){
  .mk-modules-layout{grid-template-columns:190px minmax(0,1fr);gap:40px;}
}
@media screen and (max-width:1023px){
  .mk-nav{
    position:absolute;left:0;right:0;top:100%;
    display:none;flex-direction:column;align-items:stretch;gap:2px;
    padding:10px 16px 18px;margin:0;
    background:rgba(250,248,245,.99);
    -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
    border-bottom:1px solid var(--mk-line);
    box-shadow:0 16px 40px rgba(23,26,31,.12);
  }
  .mk-nav.is-open{display:flex;}
  .mk-nav a{padding:14px 12px;min-height:44px;font-size:16px;justify-content:flex-start;}
  .mk-nav a.is-active::after{left:12px;right:auto;width:22px;bottom:6px;}
  .mk-menu-btn{display:flex;}
  .mk-icon-btn{display:none;}
  .mk-modules-layout{grid-template-columns:1fr;gap:28px;}
  .mk-anchor{
    position:static;border-left:0;border-top:1px solid var(--mk-line);
    border-bottom:1px solid var(--mk-line);padding:16px 0;margin-bottom:8px;
  }
  .mk-anchor ul{flex-direction:row;flex-wrap:wrap;gap:8px;}
  .mk-anchor a{
    padding:7px 12px;border:1px solid var(--mk-line);border-radius:999px;
    background:var(--mk-surface);font-size:13.5px;
  }
  .mk-anchor a:hover{transform:none;}
  .mk-anchor-foot{display:none;}
  .mk-grid-4{grid-template-columns:repeat(2,1fr);}
  .mk-grid-3{grid-template-columns:repeat(2,1fr);}
  .mk-feature{grid-template-columns:1fr;gap:26px;padding:40px 0;}
  .mk-feature-media,.mk-feature.is-flip .mk-feature-media{order:1;}
  .mk-feature-body,.mk-feature.is-flip .mk-feature-body{order:2;}
  .mk-scene-cols{grid-template-columns:1fr;}
  .mk-scene-col{
    border-left:0;border-top:1px solid var(--mk-line);
    padding:28px 0;
  }
  .mk-scene-col:first-child{border-top:0;padding-top:0;}
  .mk-download{padding:34px;}
  .mk-download-inner{grid-template-columns:1fr;gap:28px;}
  .mk-related{grid-template-columns:1fr;}
  .mk-footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
  .mk-section{padding:72px 0;}
}
@media screen and (max-width:768px){
  .mk-banner{padding:40px 0 44px;}
  .mk-grid-4,.mk-grid-3{grid-template-columns:1fr;}
  .mk-section{padding:56px 0;}
  .mk-section--tight{padding:48px 0;}
  .mk-section-head{margin-bottom:30px;}
  .mk-feature-body h3{font-size:20px;}
  .mk-download{padding:26px 22px;border-radius:16px;}
  .mk-footer{padding:48px 0 22px;margin-top:64px;}
  .mk-footer-grid{grid-template-columns:1fr;}
  .mk-faq summary{padding:18px 44px 18px 16px;font-size:16px;}
  .mk-faq .mk-faq-body{padding:0 20px 20px 16px;}
}
@media screen and (max-width:520px){
  .grid-container{padding-left:16px;padding-right:16px;}
  .mk-search-form{padding:0 16px;}
  .mk-nav-wrap{height:64px;gap:12px;}
  .mk-logo-text{font-size:15.5px;}
  .mk-btn{height:40px;padding:0 18px;font-size:14.5px;}
  .mk-btn--l{height:48px;width:100%;}
  .mk-banner-actions .mk-btn{width:100%;}
  .mk-banner-meta{gap:12px;font-size:12px;}
  .mk-download-actions .mk-btn{width:100%;}
  .mk-footer-bottom{flex-direction:column;}
}

/* roulang page: category4 */
:root{
  --mk-bg:#FAF8F5;
  --mk-surface:#FFFFFF;
  --mk-ink:#171A1F;
  --mk-body:#3A3F46;
  --mk-muted:#6B7076;
  --mk-primary:#D9762B;
  --mk-primary-hover:#B85F1E;
  --mk-primary-soft:#FBF0E6;
  --mk-accent:#2F6F63;
  --mk-accent-soft:#E9F1EE;
  --mk-deep:#262C34;
  --mk-line:#E6E1DA;
  --mk-r-card:16px;
  --mk-r-btn:10px;
  --mk-r-img:12px;
  --mk-r-pill:999px;
  --mk-shadow:0 1px 2px rgba(23,26,31,.06),0 8px 24px rgba(23,26,31,.05);
  --mk-shadow-hover:0 2px 6px rgba(23,26,31,.08),0 18px 38px rgba(23,26,31,.10);
  --mk-mono:ui-monospace,Menlo,Consolas,"Courier New",monospace;
  --mk-font:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --mk-ease:180ms ease-out;
}
*,*::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-body);
  font-family:var(--mk-font);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border-radius:var(--mk-r-img);}
a{color:var(--mk-primary);text-decoration:none;transition:color var(--mk-ease);}
a:hover{color:var(--mk-primary-hover);}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--mk-primary);outline-offset:2px;border-radius:6px;
}
h1,h2,h3,h4{color:var(--mk-ink);font-family:var(--mk-font);letter-spacing:.01em;margin:0;}
h1{font-size:clamp(32px,4.4vw,52px);line-height:1.25;font-weight:700;}
h2{font-size:clamp(24px,3vw,36px);line-height:1.3;font-weight:700;}
h3{font-size:20px;line-height:1.4;font-weight:600;}
h4{font-size:16px;line-height:1.5;font-weight:600;}
p{margin:0 0 1em;}
ul,ol{margin:0 0 1em;padding-left:1.3em;}
li{margin-bottom:.4em;}
.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;}
.mk-mono{font-family:var(--mk-mono);letter-spacing:0;}

/* ---------- 导航 ---------- */
.mk-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(250,248,245,.68);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(23,26,31,.06);
  box-shadow:0 1px 2px rgba(23,26,31,.04);
  transition:background var(--mk-ease),box-shadow var(--mk-ease);
}
.mk-header.is-stuck{
  background:rgba(250,248,245,.97);
  box-shadow:0 8px 24px rgba(23,26,31,.09);
}
.mk-nav-wrap{display:flex;align-items:center;gap:28px;min-height:72px;}
.mk-logo{display:inline-flex;align-items:center;gap:12px;flex:0 0 auto;}
.mk-logo-mark{
  width:42px;height:42px;border-radius:12px;flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--mk-primary);color:#fff;
  font-family:var(--mk-mono);font-size:16px;font-weight:700;letter-spacing:.02em;
  box-shadow:0 6px 16px rgba(217,118,43,.28);
}
.mk-logo-text{font-size:19px;font-weight:700;color:var(--mk-ink);line-height:1.1;}
.mk-logo-text em{font-style:normal;font-size:13px;font-weight:500;color:var(--mk-muted);display:block;letter-spacing:.04em;}
.mk-nav{display:flex;align-items:center;gap:6px;margin-left:auto;}
.mk-nav a{
  position:relative;display:inline-block;padding:9px 14px;
  font-size:15px;font-weight:500;color:var(--mk-body);border-radius:var(--mk-r-btn);
  transition:color var(--mk-ease),background var(--mk-ease);
}
.mk-nav a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;
  background:var(--mk-primary);transform:scaleX(0);transform-origin:left center;
  transition:transform var(--mk-ease);
}
.mk-nav a:hover{color:var(--mk-ink);background:rgba(217,118,43,.08);}
.mk-nav a:hover::after,.mk-nav a.is-active::after{transform:scaleX(1);}
.mk-nav a.is-active{color:var(--mk-primary);font-weight:600;}
.mk-nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.mk-icon-btn{
  width:42px;height:42px;border-radius:var(--mk-r-btn);
  border:1px solid var(--mk-line);background:rgba(255,255,255,.7);
  color:var(--mk-ink);cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;
  transition:background var(--mk-ease),color var(--mk-ease),border-color var(--mk-ease);
}
.mk-icon-btn:hover{background:var(--mk-primary-soft);color:var(--mk-primary);border-color:rgba(217,118,43,.4);}
.mk-menu-btn{
  display:none;width:42px;height:42px;border-radius:var(--mk-r-btn);
  border:1px solid var(--mk-line);background:rgba(255,255,255,.7);cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.mk-menu-btn span{width:18px;height:2px;background:var(--mk-ink);border-radius:2px;transition:transform var(--mk-ease);}
.mk-header.is-menu-open .mk-menu-btn span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.mk-header.is-menu-open .mk-menu-btn span:nth-child(2){opacity:0;}
.mk-header.is-menu-open .mk-menu-btn span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.mk-search-panel{
  border-top:1px solid rgba(23,26,31,.06);
  background:rgba(250,248,245,.97);
  padding:14px 24px;
}
.mk-search-form{
  max-width:1200px;margin:0 auto;display:flex;align-items:center;gap:12px;
  background:#fff;border:1px solid var(--mk-line);border-radius:var(--mk-r-btn);
  padding:8px 10px 8px 16px;
}
.mk-search-form i{color:var(--mk-muted);}
.mk-search-form input{
  flex:1 1 auto;border:0;height:38px;font-size:15px;color:var(--mk-ink);
  background:transparent;font-family:var(--mk-font);
}
.mk-search-form input:focus{outline:none;}

/* ---------- 按钮 ---------- */
.mk-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--mk-font);font-size:15px;font-weight:600;
  border-radius:var(--mk-r-btn);border:1px solid transparent;cursor:pointer;
  padding:0 24px;height:42px;line-height:1;white-space:nowrap;
  transition:background var(--mk-ease),color var(--mk-ease),border-color var(--mk-ease),transform var(--mk-ease),box-shadow var(--mk-ease);
}
.mk-btn--l{height:52px;padding:0 32px;font-size:16px;}
.mk-btn--s{height:34px;padding:0 16px;font-size:13.5px;}
.mk-btn--primary{background:var(--mk-primary);color:#fff;box-shadow:0 6px 16px rgba(217,118,43,.24);}
.mk-btn--primary:hover{background:var(--mk-primary-hover);color:#fff;transform:translateY(-1px);}
.mk-btn--primary:active{transform:translateY(1px);box-shadow:none;}
.mk-btn--secondary{background:#fff;color:var(--mk-ink);border-color:var(--mk-line);}
.mk-btn--secondary:hover{color:var(--mk-primary);border-color:rgba(217,118,43,.5);background:var(--mk-primary-soft);}
.mk-btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);}
.mk-btn--ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}
.mk-text-link{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;}
.mk-text-link::after{content:"→";transition:transform var(--mk-ease);}
.mk-text-link:hover::after{transform:translateX(4px);}

/* ---------- 通用 ---------- */
.mk-tag{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--mk-primary-soft);color:var(--mk-primary);
  font-size:13px;font-weight:600;padding:5px 12px;border-radius:var(--mk-r-pill);
  letter-spacing:.02em;
}
.mk-badge{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--mk-accent-soft);color:var(--mk-accent);
  font-size:12.5px;font-weight:600;padding:4px 10px;border-radius:var(--mk-r-pill);
}
.mk-section{padding:96px 0;}
.mk-section--tight{padding:64px 0;}
.mk-section-head{max-width:760px;margin-bottom:40px;}
.mk-section-head p{margin-top:12px;color:var(--mk-muted);font-size:16px;}
.mk-card{
  background:var(--mk-surface);border:1px solid var(--mk-line);
  border-radius:var(--mk-r-card);padding:26px;box-shadow:var(--mk-shadow);
  transition:transform var(--mk-ease),box-shadow var(--mk-ease),border-color var(--mk-ease);
}
.mk-card:hover{transform:translateY(-2px);box-shadow:var(--mk-shadow-hover);border-color:rgba(217,118,43,.3);}
.mk-divider{height:1px;background:var(--mk-line);border:0;margin:0;}

/* ---------- 分类首屏 ---------- */
.mk-cat-hero{
  position:relative;overflow:hidden;
  padding:132px 0 56px;
  background:linear-gradient(180deg,#F5EFE6 0%,var(--mk-bg) 100%);
  border-bottom:1px solid var(--mk-line);
}
.mk-cat-hero-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  opacity:.16;
  filter:saturate(.7);
}
.mk-cat-hero-inner{position:relative;z-index:1;}
.mk-breadcrumb{
  font-size:14px;color:var(--mk-muted);margin-bottom:22px;
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
}
.mk-breadcrumb a{color:var(--mk-muted);}
.mk-breadcrumb a:hover{color:var(--mk-primary);}
.mk-breadcrumb span[aria-current]{color:var(--mk-primary);font-weight:600;}
.mk-cat-hero h1{margin:16px 0 14px;}
.mk-cat-hero .mk-cat-desc{max-width:680px;font-size:16.5px;color:var(--mk-body);margin:0;}

/* ---------- 搜索区 ---------- */
.mk-search-block{
  background:var(--mk-surface);border:1px solid var(--mk-line);
  border-radius:var(--mk-r-card);box-shadow:var(--mk-shadow);
  padding:28px;margin-top:-44px;position:relative;z-index:3;
}
.mk-search-row{display:flex;gap:12px;align-items:center;flex-wrap:wrap;}
.mk-search-row .mk-field{flex:1 1 320px;position:relative;display:flex;align-items:center;}
.mk-search-row .mk-field i{position:absolute;left:16px;color:var(--mk-muted);}
.mk-search-row input[type="search"]{
  width:100%;height:48px;border:1px solid var(--mk-line);border-radius:var(--mk-r-btn);
  padding:0 16px 0 44px;font-size:15px;font-family:var(--mk-font);
  background:#fff;color:var(--mk-ink);transition:border-color var(--mk-ease),box-shadow var(--mk-ease);
}
.mk-search-row input[type="search"]::placeholder{color:#9AA0A6;}
.mk-search-row input[type="search"]:focus{outline:none;border-color:var(--mk-primary);box-shadow:0 0 0 3px rgba(217,118,43,.16);}
.mk-search-hint{font-size:13px;color:var(--mk-muted);margin:14px 0 0;}
.mk-quick-grid{margin-top:24px;display:grid;grid-template-columns:repeat(3,1fr);gap:14px;}
.mk-quick{
  display:flex;align-items:flex-start;gap:14px;
  border:1px solid var(--mk-line);border-radius:14px;padding:16px 18px;
  background:#fff;transition:border-color var(--mk-ease),background var(--mk-ease),transform var(--mk-ease);
}
.mk-quick:hover{border-color:rgba(217,118,43,.45);background:var(--mk-primary-soft);transform:translateY(-2px);}
.mk-quick i{font-size:18px;color:var(--mk-accent);margin-top:3px;}
.mk-quick strong{display:block;font-size:15px;color:var(--mk-ink);font-weight:600;line-height:1.5;}
.mk-quick span{display:block;font-size:13px;color:var(--mk-muted);line-height:1.6;margin-top:2px;}

/* ---------- FAQ 分组 ---------- */
.mk-faq-group{margin-bottom:52px;}
.mk-faq-group:last-child{margin-bottom:0;}
.mk-faq-group-head{display:flex;align-items:center;gap:14px;margin-bottom:20px;}
.mk-faq-group-head h2{font-size:24px;}
.mk-faq-group-head .mk-faq-num{
  width:40px;height:40px;border-radius:12px;flex:0 0 auto;
  background:var(--mk-primary-soft);color:var(--mk-primary);
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--mk-mono);font-size:14px;font-weight:700;
}
.mk-faq-item{
  background:#fff;border:1px solid var(--mk-line);border-radius:14px;
  margin-bottom:12px;overflow:hidden;
  transition:border-color var(--mk-ease),box-shadow var(--mk-ease);
}
.mk-faq-item:hover{border-color:rgba(217,118,43,.35);}
.mk-faq-item[open]{border-color:rgba(217,118,43,.45);box-shadow:var(--mk-shadow);}
.mk-faq-q{
  list-style:none;cursor:pointer;padding:18px 22px 18px 20px;
  display:flex;align-items:flex-start;gap:14px;
  font-size:17px;font-weight:600;color:var(--mk-ink);line-height:1.6;
}
.mk-faq-q::-webkit-details-marker{display:none;}
.mk-faq-q .mk-faq-icon{
  margin-left:auto;flex:0 0 auto;color:var(--mk-muted);font-size:14px;
  transition:transform var(--mk-ease),color var(--mk-ease);
}
.mk-faq-item[open] .mk-faq-q{color:var(--mk-primary);}
.mk-faq-item[open] .mk-faq-icon{transform:rotate(180deg);color:var(--mk-primary);}
.mk-faq-a{
  position:relative;padding:0 26px 22px 46px;font-size:15px;color:var(--mk-muted);line-height:1.85;
}
.mk-faq-a::before{
  content:"";position:absolute;left:20px;top:4px;bottom:22px;width:3px;border-radius:2px;
  background:var(--mk-primary);
}
.mk-faq-a p{margin:0 0 .8em;}
.mk-faq-a p:last-child{margin-bottom:0;}
.mk-faq-a strong{color:var(--mk-body);}
.mk-faq-a code{
  font-family:var(--mk-mono);font-size:13.5px;
  background:var(--mk-primary-soft);color:var(--mk-primary-hover);
  padding:1px 6px;border-radius:6px;
}

/* ---------- 步骤卡组 ---------- */
.mk-step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.mk-step-card{
  background:#fff;border:1px solid var(--mk-line);border-radius:var(--mk-r-card);
  overflow:hidden;box-shadow:var(--mk-shadow);display:flex;flex-direction:column;
  transition:transform var(--mk-ease),box-shadow var(--mk-ease);
}
.mk-step-card:hover{transform:translateY(-2px);box-shadow:var(--mk-shadow-hover);}
.mk-step-card figure{margin:0;position:relative;background:#EFEAE3;aspect-ratio:16/10;overflow:hidden;}
.mk-step-card figure img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.mk-step-num{
  position:absolute;left:14px;top:14px;
  background:rgba(38,44,52,.86);color:#fff;
  font-family:var(--mk-mono);font-size:12.5px;font-weight:700;
  padding:4px 10px;border-radius:var(--mk-r-pill);letter-spacing:.04em;
}
.mk-step-body{padding:22px;display:flex;flex-direction:column;gap:8px;flex:1 1 auto;}
.mk-step-body h3{font-size:18px;}
.mk-step-body p{font-size:14.5px;color:var(--mk-muted);margin:0;line-height:1.8;}
.mk-step-meta{font-family:var(--mk-mono);font-size:12.5px;color:var(--mk-muted);margin-top:auto;padding-top:8px;}

/* ---------- 提示条 ---------- */
.mk-note{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--mk-accent-soft);border:1px solid rgba(47,111,99,.22);
  border-radius:14px;padding:20px 24px;
}
.mk-note i{color:var(--mk-accent);font-size:18px;margin-top:4px;}
.mk-note p{margin:0;font-size:14.5px;color:#2C4B44;line-height:1.8;}
.mk-note strong{color:var(--mk-accent);}

/* ---------- 深色下载区 ---------- */
.mk-download-section{padding:0 0 96px;}
.mk-download{
  position:relative;overflow:hidden;
  background:var(--mk-deep);color:rgba(255,255,255,.78);
  border-radius:20px;padding:52px 48px;
}
.mk-download::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.04) 0 1px,transparent 1px 14px);
  pointer-events:none;
}
.mk-download-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.5fr 1fr;gap:40px;align-items:center;}
.mk-download h2{color:#fff;margin-bottom:10px;}
.mk-download-sub{font-size:15px;color:rgba(255,255,255,.68);margin:0 0 24px;max-width:520px;}
.mk-download-actions{display:flex;flex-wrap:wrap;gap:12px;}
.mk-download-spec{
  margin-top:26px;display:flex;flex-wrap:wrap;gap:10px 26px;
  font-family:var(--mk-mono);font-size:12.5px;color:rgba(255,255,255,.6);
}
.mk-download-spec span{display:inline-flex;gap:8px;}
.mk-download-spec b{color:rgba(255,255,255,.9);font-weight:600;}
.mk-qr{
  background:#fff;border-radius:12px;width:132px;height:132px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;
  color:var(--mk-deep);box-shadow:0 12px 30px rgba(0,0,0,.28);
}
.mk-qr i{font-size:44px;color:var(--mk-ink);}
.mk-qr span{font-size:12px;color:var(--mk-muted);}
.mk-download-side{display:flex;flex-direction:column;align-items:center;gap:14px;}
.mk-download-side p{font-size:13px;color:rgba(255,255,255,.6);text-align:center;margin:0;}

/* ---------- 联系 CTA ---------- */
.mk-cta{
  background:#fff;border:1px solid var(--mk-line);border-radius:20px;
  padding:44px;display:grid;grid-template-columns:1.4fr 1fr;gap:36px;align-items:center;
  box-shadow:var(--mk-shadow);
}
.mk-cta h2{margin-bottom:12px;}
.mk-cta p{color:var(--mk-muted);margin-bottom:22px;}
.mk-cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
.mk-cta-side{
  background:var(--mk-primary-soft);border-radius:16px;padding:24px;
  border:1px solid rgba(217,118,43,.2);
}
.mk-cta-side dl{margin:0;}
.mk-cta-side dt{font-family:var(--mk-mono);font-size:12.5px;color:var(--mk-muted);margin-bottom:2px;}
.mk-cta-side dd{margin:0 0 16px;font-size:15px;color:var(--mk-ink);font-weight:600;}
.mk-cta-side dd:last-child{margin-bottom:0;}

/* ---------- 交叉链接 ---------- */
.mk-cross-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.mk-cross-card{
  display:flex;flex-direction:column;gap:10px;
  background:#fff;border:1px solid var(--mk-line);border-radius:var(--mk-r-card);
  padding:26px;box-shadow:var(--mk-shadow);
  transition:transform var(--mk-ease),box-shadow var(--mk-ease),border-color var(--mk-ease);
}
.mk-cross-card:hover{transform:translateY(-2px);box-shadow:var(--mk-shadow-hover);border-color:rgba(217,118,43,.35);}
.mk-cross-card h3{font-size:18px;}
.mk-cross-card p{font-size:14.5px;color:var(--mk-muted);margin:0;line-height:1.8;}
.mk-cross-card .mk-cross-link{margin-top:auto;padding-top:6px;font-size:14.5px;font-weight:600;}

/* ---------- 页脚 ---------- */
.mk-footer{background:var(--mk-deep);color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:0;}
.mk-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;}
.mk-footer h4{color:rgba(255,255,255,.62);font-size:15px;font-weight:600;margin-bottom:16px;letter-spacing:.06em;}
.mk-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);margin:16px 0 0;}
.mk-footer ul{list-style:none;margin:0;padding:0;}
.mk-footer li{margin-bottom:10px;font-size:14px;}
.mk-footer a{color:rgba(255,255,255,.75);font-size:14px;}
.mk-footer a:hover{color:var(--mk-primary);}
.mk-footer-brand{display:flex;align-items:center;gap:12px;}
.mk-footer-brand .mk-logo-mark{width:38px;height:38px;font-size:14px;}
.mk-footer-brand-text{font-size:17px;font-weight:700;color:#fff;}
.mk-footer-brand-text em{font-style:normal;font-size:12.5px;font-weight:500;color:rgba(255,255,255,.55);display:block;letter-spacing:.04em;}
.mk-footer-contact li{display:flex;gap:10px;align-items:flex-start;}
.mk-footer-contact i{margin-top:4px;color:var(--mk-primary);}
.mk-footer-qr{
  margin-top:18px;display:inline-flex;align-items:center;gap:10px;
  border:1px solid rgba(255,255,255,.14);border-radius:12px;padding:10px 14px;
  font-size:13px;color:rgba(255,255,255,.7);
}
.mk-footer-qr i{font-size:20px;color:#fff;}
.mk-footer-bottom{
  margin-top:52px;padding:20px 0;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .mk-quick-grid{grid-template-columns:repeat(2,1fr);}
  .mk-step-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:1023px){
  .mk-menu-btn{display:inline-flex;}
  .mk-nav{
    position:absolute;top:100%;left:0;right:0;margin:0;
    display:none;flex-direction:column;align-items:stretch;gap:0;
    background:rgba(250,248,245,.98);
    -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
    border-bottom:1px solid var(--mk-line);
    box-shadow:0 18px 34px rgba(23,26,31,.12);
    padding:10px 24px 18px;
  }
  .mk-header.is-menu-open .mk-nav{display:flex;}
  .mk-nav a{min-height:44px;display:flex;align-items:center;padding:12px 4px;font-size:16px;border-bottom:1px solid var(--mk-line);border-radius:0;}
  .mk-nav a:last-child{border-bottom:0;}
  .mk-nav a::after{display:none;}
  .mk-nav a.is-active{background:transparent;}
  .mk-section{padding:72px 0;}
  .mk-footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .mk-download-inner{grid-template-columns:1fr;gap:30px;}
  .mk-cta{grid-template-columns:1fr;padding:34px;}
  .mk-cross-grid{grid-template-columns:1fr;}
  .mk-cat-hero{padding:120px 0 48px;}
}
@media (max-width:767px){
  .mk-section{padding:56px 0;}
  .mk-quick-grid{grid-template-columns:1fr;}
  .mk-step-grid{grid-template-columns:1fr;}
  .mk-search-block{padding:22px;margin-top:-32px;}
  .mk-download{padding:34px 24px;border-radius:16px;}
  .mk-footer{padding:56px 0 0;}
  .mk-footer-grid{grid-template-columns:1fr;gap:28px;}
  .mk-footer-bottom{flex-direction:column;align-items:flex-start;}
  .mk-faq-a{padding:0 20px 20px 40px;}
  .mk-faq-a::before{left:16px;}
  .mk-faq-q{padding:16px 18px 16px 16px;font-size:16px;}
  .mk-faq-group-head h2{font-size:21px;}
}
@media (max-width:520px){
  .grid-container{padding-left:16px;padding-right:16px;}
  .mk-logo-text{font-size:17px;}
  .mk-nav-wrap{gap:12px;min-height:64px;}
  .mk-nav-actions{gap:8px;}
  .mk-btn--l{height:48px;width:100%;}
  .mk-download-actions .mk-btn{width:100%;}
  .mk-cat-hero{padding:108px 0 40px;}
}

/* roulang page: category3 */
:root{
  --mk-bg:#FAF8F5;
  --mk-surface:#FFFFFF;
  --mk-ink:#171A1F;
  --mk-body:#3A3F46;
  --mk-muted:#6B7076;
  --mk-primary:#D9762B;
  --mk-primary-hover:#B85F1E;
  --mk-primary-soft:#FBF0E6;
  --mk-accent:#2F6F63;
  --mk-accent-soft:#E7F1EE;
  --mk-deep:#262C34;
  --mk-line:#E6E1DA;
  --mk-line-strong:#D8D1C7;
  --mk-radius-card:16px;
  --mk-radius-btn:10px;
  --mk-radius-img:12px;
  --mk-shadow-sm:0 1px 2px rgba(23,26,31,.06),0 8px 24px rgba(23,26,31,.05);
  --mk-shadow-md:0 2px 4px rgba(23,26,31,.08),0 14px 34px rgba(23,26,31,.10);
  --mk-mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace;
  --mk-sans:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --mk-space:96px;
}
*,*::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-body);
  font-family:var(--mk-sans);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--mk-primary);text-decoration:none;transition:color .2s ease-out}
a:hover{color:var(--mk-primary-hover)}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 1em}
h1,h2,h3,h4{color:var(--mk-ink);margin:0;letter-spacing:.01em;font-weight:700}
h1{font-size:clamp(30px,4.2vw,46px);line-height:1.25}
h2{font-size:clamp(24px,3vw,34px);line-height:1.3}
h3{font-size:20px;line-height:1.45}
h4{font-size:16px;line-height:1.5}
.mk-grid,.grid-container{max-width:1200px;margin:0 auto}
.mk-mono{font-family:var(--mk-mono);letter-spacing:0}
.show-for-sr,.mk-sr{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- 导航 ---------- */
.mk-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(250,248,245,.68);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(23,26,31,.06);
  box-shadow:0 1px 2px rgba(23,26,31,.04);
  transition:background .22s ease-out,box-shadow .22s ease-out;
}
.mk-header.is-stuck{
  background:rgba(250,248,245,.97);
  box-shadow:0 8px 24px rgba(23,26,31,.10);
}
.mk-nav-wrap{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:76px;padding:0 24px;
}
.mk-logo{display:inline-flex;align-items:center;gap:12px;color:var(--mk-ink)}
.mk-logo:hover{color:var(--mk-ink)}
.mk-logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;flex:0 0 40px;
  border-radius:12px;
  background:linear-gradient(150deg,#D9762B,#B85F1E);
  color:#fff;font-family:var(--mk-mono);font-size:15px;font-weight:700;
  letter-spacing:.02em;
  box-shadow:0 6px 16px rgba(184,95,30,.28);
}
.mk-logo-text{font-size:17px;font-weight:700;line-height:1.2}
.mk-logo-text em{display:block;font-style:normal;font-size:12px;font-weight:500;color:var(--mk-muted);letter-spacing:.02em}
.mk-nav{display:flex;align-items:center;gap:4px}
.mk-nav a{
  position:relative;
  display:inline-block;
  padding:9px 14px;
  font-size:14.5px;
  color:var(--mk-body);
  border-radius:8px;
  transition:color .2s ease-out,background .2s ease-out;
}
.mk-nav a:hover{color:var(--mk-ink);background:rgba(23,26,31,.04)}
.mk-nav a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--mk-primary);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .22s ease-out;
}
.mk-nav a:hover::after{transform:scaleX(1)}
.mk-nav a.is-active{color:var(--mk-ink);font-weight:600}
.mk-nav a.is-active::after{transform:scaleX(1)}
.mk-nav-actions{display:flex;align-items:center;gap:10px}
.mk-icon-btn{
  width:38px;height:38px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--mk-line);
  color:var(--mk-body);cursor:pointer;
  transition:all .2s ease-out;
}
.mk-icon-btn:hover{border-color:var(--mk-primary);color:var(--mk-primary);background:var(--mk-primary-soft)}
.mk-menu-btn{
  display:none;width:42px;height:38px;border-radius:10px;
  border:1px solid var(--mk-line);background:transparent;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.mk-menu-btn span{display:block;width:18px;height:2px;background:var(--mk-ink);border-radius:2px;transition:transform .2s ease-out,opacity .2s ease-out}
.mk-header.nav-open .mk-menu-btn span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.mk-header.nav-open .mk-menu-btn span:nth-child(2){opacity:0}
.mk-header.nav-open .mk-menu-btn span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mk-search-panel{
  border-top:1px solid var(--mk-line);
  background:rgba(250,248,245,.98);
  padding:14px 24px;
}
.mk-search-form{
  max-width:1200px;margin:0 auto;
  display:flex;align-items:center;gap:10px;
  background:var(--mk-surface);
  border:1px solid var(--mk-line);
  border-radius:10px;
  padding:6px 8px 6px 14px;
}
.mk-search-form i{color:var(--mk-muted)}
.mk-search-form input{
  flex:1;border:0;outline:0;background:transparent;
  font-size:15px;color:var(--mk-ink);height:36px;margin:0;
}
.mk-search-form input::placeholder{color:var(--mk-muted)}

/* ---------- 按钮 ---------- */
.mk-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;
  padding:14px 26px;border-radius:var(--mk-radius-btn);
  border:1px solid transparent;cursor:pointer;
  transition:all .2s ease-out;
  white-space:nowrap;
}
.mk-btn--primary{background:var(--mk-primary);color:#fff;box-shadow:0 6px 16px rgba(217,118,43,.24)}
.mk-btn--primary:hover{background:var(--mk-primary-hover);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(184,95,30,.30)}
.mk-btn--primary:active{transform:translateY(0)}
.mk-btn--secondary{background:#fff;color:var(--mk-ink);border-color:var(--mk-line-strong)}
.mk-btn--secondary:hover{border-color:var(--mk-primary);color:var(--mk-primary);background:var(--mk-primary-soft)}
.mk-btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.42)}
.mk-btn--ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.7)}
.mk-btn--s{padding:9px 16px;font-size:13.5px;border-radius:9px}
.mk-btn--l{padding:17px 38px;font-size:17px;border-radius:12px}
.mk-btn:focus-visible,.mk-icon-btn:focus-visible,.mk-menu-btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--mk-primary);outline-offset:2px;
}

/* ---------- 内页首屏 ---------- */
.mk-page-hero{
  position:relative;
  padding:142px 0 52px;
  background-color:#F2ECE4;
  background-image:linear-gradient(180deg,rgba(250,248,245,.90),rgba(250,248,245,.96)),url(/assets/images/backpic/back-2.webp);
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--mk-line);
}
.mk-page-hero .grid-container{padding:0 24px}
.mk-crumb{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:14px;color:var(--mk-muted);margin-bottom:20px;
}
.mk-crumb a{color:var(--mk-muted)}
.mk-crumb a:hover{color:var(--mk-primary)}
.mk-crumb .sep{color:var(--mk-line-strong)}
.mk-crumb .cur{color:var(--mk-primary);font-weight:600}
.mk-page-hero h1{margin-bottom:14px;max-width:820px}
.mk-page-hero__sub{max-width:760px;font-size:16.5px;color:var(--mk-body);margin:0}
.mk-hero-facts{
  display:flex;flex-wrap:wrap;gap:10px 28px;margin-top:24px;
  font-family:var(--mk-mono);font-size:13px;color:var(--mk-muted);
}
.mk-hero-facts span{display:inline-flex;align-items:center;gap:7px}
.mk-hero-facts i{color:var(--mk-accent)}

/* ---------- 场景标签 ---------- */
.mk-scene-tabs-wrap{
  position:sticky;top:76px;z-index:40;
  background:rgba(250,248,245,.94);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--mk-line);
}
.mk-scene-tabs{
  display:flex;gap:10px;overflow-x:auto;padding:14px 24px;
  max-width:1200px;margin:0 auto;
  scrollbar-width:thin;
}
.mk-scene-tabs a{
  flex:0 0 auto;
  padding:9px 18px;border-radius:999px;
  border:1px solid var(--mk-line);
  background:#fff;color:var(--mk-body);
  font-size:14px;font-weight:600;
  transition:all .2s ease-out;
}
.mk-scene-tabs a:hover{border-color:var(--mk-primary);color:var(--mk-primary);background:var(--mk-primary-soft)}
.mk-scene-tabs a.is-hot{background:var(--mk-ink);border-color:var(--mk-ink);color:#fff}
.mk-scene-tabs a.is-hot:hover{background:var(--mk-primary);border-color:var(--mk-primary);color:#fff}

/* ---------- 板块通用 ---------- */
.mk-section{padding:var(--mk-space) 0}
.mk-section .grid-container{padding:0 24px}
.mk-section--alt{background:#F4EFE8;border-top:1px solid var(--mk-line);border-bottom:1px solid var(--mk-line)}
.mk-section-head{max-width:760px;margin-bottom:48px}
.mk-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.14em;
  color:var(--mk-primary);text-transform:uppercase;
  padding:6px 12px;border-radius:999px;
  background:var(--mk-primary-soft);border:1px solid #F1DCC7;
  margin-bottom:16px;
}
.mk-section-head h2{margin-bottom:14px}
.mk-section-head p{margin:0;color:var(--mk-body);font-size:16px}
.mk-section-head h2::after{
  content:"";display:block;width:52px;height:3px;border-radius:3px;
  background:var(--mk-primary);margin-top:16px;
}

/* ---------- 对比矩阵 ---------- */
.mk-matrix{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.mk-mcard{
  background:var(--mk-surface);
  border:1px solid var(--mk-line);
  border-radius:var(--mk-radius-card);
  box-shadow:var(--mk-shadow-sm);
  padding:26px 22px;
  display:flex;flex-direction:column;
  transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
.mk-mcard:hover{transform:translateY(-3px);box-shadow:var(--mk-shadow-md);border-color:#EFD8C2}
.mk-mcard__top{display:flex;align-items:center;gap:12px;margin-bottom:8px}
.mk-mcard__icon{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--mk-accent-soft);color:var(--mk-accent);font-size:16px;
}
.mk-mcard h3{font-size:18px;margin:0}
.mk-mcard__desc{font-size:14px;color:var(--mk-muted);margin:6px 0 18px;line-height:1.7}
.mk-rows{border-top:1px solid var(--mk-line);margin-top:auto}
.mk-row{padding:12px 0;border-bottom:1px dashed var(--mk-line)}
.mk-row:last-child{border-bottom:0}
.mk-row dt{font-size:12.5px;color:var(--mk-muted);margin-bottom:4px;letter-spacing:.04em}
.mk-row dd{margin:0;font-size:14.5px;color:var(--mk-ink);line-height:1.6}
.mk-row dd.mk-mono{font-family:var(--mk-mono);font-size:13.5px}

/* ---------- 场景详述 ---------- */
.mk-split{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:56px;align-items:center;
  padding:40px 0;
}
.mk-split + .mk-split{border-top:1px dashed var(--mk-line-strong)}
.mk-split--rev .mk-split__media{order:2}
.mk-split__media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--mk-radius-img);
  border:1px solid var(--mk-line);
  box-shadow:var(--mk-shadow-sm);
  background:#EFEAE3;
}
.mk-split__media figcaption{font-size:13px;color:var(--mk-muted);margin-top:10px}
.mk-split__body .mk-num{
  display:inline-block;font-family:var(--mk-mono);font-size:13px;
  color:var(--mk-accent);background:var(--mk-accent-soft);
  padding:4px 10px;border-radius:999px;margin-bottom:14px;
}
.mk-split__body h3{font-size:23px;margin-bottom:12px}
.mk-split__body p{font-size:15.5px;margin-bottom:18px}
.mk-check{display:flex;flex-direction:column;gap:11px}
.mk-check li{display:flex;gap:11px;font-size:15px;color:var(--mk-body)}
.mk-check i{color:var(--mk-primary);font-size:14px;margin-top:7px;flex:0 0 auto}

/* ---------- 实施流程 ---------- */
.mk-flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;counter-reset:flow}
.mk-flow__item{
  position:relative;
  background:var(--mk-surface);
  border:1px solid var(--mk-line);
  border-radius:var(--mk-radius-card);
  padding:26px 22px 24px;
  box-shadow:var(--mk-shadow-sm);
  transition:transform .22s ease-out,box-shadow .22s ease-out;
}
.mk-flow__item:hover{transform:translateY(-3px);box-shadow:var(--mk-shadow-md)}
.mk-flow__idx{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;
  background:var(--mk-primary);color:#fff;
  font-family:var(--mk-mono);font-size:14px;font-weight:700;
  margin-bottom:16px;
}
.mk-flow__item h3{font-size:17.5px;margin-bottom:10px}
.mk-flow__item p{font-size:14.5px;color:var(--mk-muted);margin:0}
.mk-flow__item::after{
  content:"";position:absolute;top:44px;right:-12px;width:24px;height:1px;
  background:var(--mk-line-strong);
}
.mk-flow__item:last-child::after{display:none}

/* ---------- 案例引述条 ---------- */
.mk-case{
  background:var(--mk-surface);
  border:1px solid var(--mk-line);
  border-left:3px solid var(--mk-primary);
  border-radius:var(--mk-radius-card);
  padding:26px 28px;
  box-shadow:var(--mk-shadow-sm);
}
.mk-case + .mk-case{margin-top:20px}
.mk-case__quote{font-size:16px;color:var(--mk-ink);line-height:1.8;margin:0 0 16px}
.mk-case__meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13.5px;color:var(--mk-muted)}
.mk-badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:600;
  padding:4px 12px;border-radius:999px;
  background:var(--mk-primary-soft);color:var(--mk-primary);border:1px solid #F1DCC7;
}
.mk-badge--neutral{background:#F1EEE8;color:var(--mk-muted);border-color:var(--mk-line)}
.mk-badge--accent{background:var(--mk-accent-soft);color:var(--mk-accent);border-color:#CFE2DC}

/* ---------- FAQ ---------- */
.mk-faq{max-width:900px;border-top:1px solid var(--mk-line)}
.mk-faq__item{border-bottom:1px solid var(--mk-line)}
.mk-faq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:transparent;border:0;cursor:pointer;text-align:left;
  padding:22px 0;font-size:17px;font-weight:600;color:var(--mk-ink);
  transition:color .2s ease-out;
}
.mk-faq__q:hover{color:var(--mk-primary)}
.mk-faq__q i{color:var(--mk-muted);font-size:14px;transition:transform .22s ease-out,color .22s ease-out}
.mk-faq__item.is-open .mk-faq__q{color:var(--mk-primary)}
.mk-faq__item.is-open .mk-faq__q i{transform:rotate(180deg);color:var(--mk-primary)}
.mk-faq__a{display:none;padding:0 0 24px;position:relative}
.mk-faq__item.is-open .mk-faq__a{display:block}
.mk-faq__a p{margin:0;font-size:15px;color:var(--mk-muted);line-height:1.85;padding-left:16px;border-left:3px solid var(--mk-primary)}

/* ---------- 下载区 ---------- */
.mk-dl{
  position:relative;
  background:var(--mk-deep);
  color:rgba(255,255,255,.82);
  padding:80px 0;
  overflow:hidden;
}
.mk-dl::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.035) 0 1px,transparent 1px 14px);
  pointer-events:none;
}
.mk-dl .grid-container{position:relative;padding:0 24px}
.mk-dl h2{color:#fff;margin-bottom:14px}
.mk-dl__lead{max-width:680px;color:rgba(255,255,255,.72);font-size:15.5px;margin-bottom:34px}
.mk-dl__grid{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:40px;align-items:center}
.mk-dl__actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.mk-dl__meta{
  display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:28px;
  padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  font-family:var(--mk-mono);font-size:12.5px;color:rgba(255,255,255,.6);
}
.mk-qr{
  width:132px;padding:12px;border-radius:12px;background:#fff;
  display:flex;flex-direction:column;align-items:center;gap:6px;
  color:var(--mk-ink);
}
.mk-qr i{font-size:60px;color:var(--mk-ink);line-height:1}
.mk-qr span{font-size:12px;color:var(--mk-muted)}

/* ---------- 交叉链接 ---------- */
.mk-cross{background:#F4EFE8;border-top:1px solid var(--mk-line);padding:72px 0}
.mk-cross .grid-container{padding:0 24px}
.mk-cross__grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:36px}
.mk-cross__card{
  display:block;background:#fff;border:1px solid var(--mk-line);
  border-radius:var(--mk-radius-card);padding:24px;
  box-shadow:var(--mk-shadow-sm);
  transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
.mk-cross__card:hover{transform:translateY(-3px);box-shadow:var(--mk-shadow-md);border-color:#EFD8C2}
.mk-cross__card h3{font-size:17.5px;margin-bottom:8px}
.mk-cross__card p{font-size:14px;color:var(--mk-muted);margin:0 0 14px}
.mk-cross__card span{font-size:14px;font-weight:600;color:var(--mk-primary);display:inline-flex;align-items:center;gap:7px}

/* ---------- 页脚 ---------- */
.mk-footer{background:var(--mk-deep);color:rgba(255,255,255,.72);padding:72px 0 0;font-size:14.5px}
.mk-footer .grid-container{padding:0 24px}
.mk-footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px}
.mk-footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.mk-footer-brand-text{color:#fff;font-size:17px;font-weight:700;line-height:1.2}
.mk-footer-brand-text em{display:block;font-style:normal;font-size:12px;font-weight:500;color:rgba(255,255,255,.55)}
.mk-footer h4{color:rgba(255,255,255,.9);font-size:15px;margin-bottom:18px;font-weight:600}
.mk-footer p{color:rgba(255,255,255,.66);font-size:14px;line-height:1.8}
.mk-footer ul li{margin-bottom:11px}
.mk-footer ul a{color:rgba(255,255,255,.72);font-size:14.5px}
.mk-footer ul a:hover{color:var(--mk-primary)}
.mk-footer-contact li{display:flex;gap:10px;color:rgba(255,255,255,.66);font-size:14px;line-height:1.7}
.mk-footer-contact i{color:var(--mk-primary);margin-top:5px;flex:0 0 auto}
.mk-footer-qr{
  display:inline-flex;align-items:center;gap:10px;margin-top:18px;
  padding:10px 16px;border-radius:10px;
  border:1px solid rgba(255,255,255,.14);
  color:rgba(255,255,255,.72);font-size:13.5px;
}
.mk-footer-qr i{font-size:20px;color:#fff}
.mk-footer-bottom{
  margin-top:52px;padding:22px 0;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13.5px;color:rgba(255,255,255,.52);
}
.mk-footer-bottom .mk-mono{color:rgba(255,255,255,.42)}

/* 锚点定位 */
#scene-manufacture,#scene-logistics,#scene-retail,#scene-gov,#download{scroll-margin-top:140px}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .mk-matrix{grid-template-columns:repeat(2,minmax(0,1fr))}
  .mk-flow{grid-template-columns:repeat(2,minmax(0,1fr))}
  .mk-flow__item:nth-child(2)::after{display:none}
}
@media (max-width:1024px){
  :root{--mk-space:76px}
  .mk-nav{display:none}
  .mk-menu-btn{display:flex}
  .mk-header.nav-open .mk-nav{
    display:flex;flex-direction:column;align-items:stretch;gap:2px;
    position:absolute;top:100%;left:0;right:0;
    background:rgba(250,248,245,.99);
    border-top:1px solid var(--mk-line);
    border-bottom:1px solid var(--mk-line);
    box-shadow:0 14px 30px rgba(23,26,31,.10);
    padding:10px 16px 16px;
  }
  .mk-header.nav-open .mk-nav a{
    padding:13px 14px;min-height:44px;display:flex;align-items:center;
    border-bottom:1px solid var(--mk-line);
    font-size:15.5px;border-radius:0;
  }
  .mk-header.nav-open .mk-nav a:last-child{border-bottom:0}
  .mk-header.nav-open .mk-nav a::after{display:none}
  .mk-header.nav-open .mk-nav a.is-active{color:var(--mk-primary)}
  .mk-split{grid-template-columns:minmax(0,1fr);gap:28px;padding:32px 0}
  .mk-split--rev .mk-split__media{order:0}
  .mk-footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .mk-dl__grid{grid-template-columns:minmax(0,1fr)}
  .mk-cross__grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .mk-scene-tabs-wrap{top:76px}
}
@media (max-width:768px){
  :root{--mk-space:60px}
  .mk-page-hero{padding:126px 0 44px}
  .mk-matrix{grid-template-columns:minmax(0,1fr)}
  .mk-flow{grid-template-columns:minmax(0,1fr)}
  .mk-flow__item::after{display:none}
  .mk-section-head{margin-bottom:32px}
  .mk-split__body h3{font-size:20px}
  .mk-dl{padding:64px 0}
  .mk-footer{padding-top:56px}
  .mk-footer-grid{grid-template-columns:1fr;gap:30px}
  .mk-cross__grid{grid-template-columns:minmax(0,1fr)}
  .mk-case{padding:22px}
  .mk-faq__q{font-size:16px;padding:18px 0}
}
@media (max-width:520px){
  .mk-nav-wrap{height:66px;padding:0 16px}
  .mk-logo-text{font-size:15.5px}
  .mk-logo-mark{width:36px;height:36px;flex-basis:36px;font-size:13px}
  .mk-search-btn{display:none}
  .mk-page-hero{padding:112px 0 38px}
  .mk-page-hero .grid-container,.mk-section .grid-container,.mk-dl .grid-container,.mk-cross .grid-container,.mk-footer .grid-container{padding:0 16px}
  .mk-scene-tabs{padding:12px 16px}
  .mk-dl__actions{width:100%}
  .mk-dl__actions .mk-btn{width:100%;min-height:48px}
  .mk-footer-bottom{flex-direction:column}
}