/* roulang page: index */
:root{
  --ink:#0E1A16;
  --ink-2:#09120F;
  --lime:#B8F038;
  --lime-dim:#9FD62A;
  --orange:#FF5F2E;
  --mint:#35D6A8;
  --sand:#E9DFC7;
  --bg:#F6F7F3;
  --card:#FFFFFF;
  --line:#E3E7DD;
  --text:#17201C;
  --muted:#5C6A63;
  --dtext:#F2F6EE;
  --dmuted:#A9B7AE;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:12px;
  --sh:0 8px 24px rgba(14,26,22,.08);
  --sh-hover:0 14px 34px rgba(14,26,22,.14);
  --sec:100px;
  --cw:1200px;
  --pill:999px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font-family:inherit;}
h1,h2,h3,h4,h5{margin:0;line-height:1.2;letter-spacing:-0.02em;font-weight:800;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.container{max-width:var(--cw);margin:0 auto;padding:0 24px;width:100%;}
.sec{padding:var(--sec) 0;}
.sec-tight{padding:72px 0;}
.sec-dark{background:var(--ink);color:var(--dtext);}
.sec-dark .lead{color:var(--dmuted);}

/* ============ 顶部状态条 ============ */
.topbar{
  background:var(--ink-2);
  color:var(--dtext);
  font-size:13px;
  min-height:36px;
  display:flex;
  align-items:center;
}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.topbar-left{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.badge-official{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(184,240,56,.14);
  color:var(--lime);
  border:1px solid rgba(184,240,56,.35);
  border-radius:var(--pill);
  padding:2px 10px;
  font-size:12px;font-weight:700;letter-spacing:.06em;
}
.badge-official::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime);}
.badge-version{
  display:inline-flex;align-items:center;
  border:1px solid rgba(255,255,255,.18);
  color:var(--dmuted);
  border-radius:var(--pill);
  padding:2px 10px;
  font-size:12px;font-weight:600;letter-spacing:.04em;
}
.countdown{display:flex;align-items:center;gap:8px;color:var(--dmuted);font-size:12px;}
.countdown .cd-label{font-weight:600;}
.cd-nums{display:flex;gap:6px;}
.cd-cell{
  min-width:38px;text-align:center;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  border-radius:8px;
  padding:2px 6px;
  font-variant-numeric:tabular-nums;
  font-weight:700;
  color:var(--dtext);
  line-height:1.4;
}
.cd-cell span{display:block;font-size:10px;font-weight:600;color:var(--dmuted);letter-spacing:.06em;}

/* ============ Header ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(246,247,243,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.site-header .container{
  display:flex;align-items:center;justify-content:space-between;
  height:72px;gap:20px;
}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:34px;height:34px;border-radius:10px;
  background:var(--ink);
  position:relative;overflow:hidden;flex-shrink:0;
}
.logo-mark::before{
  content:"";position:absolute;left:-6px;top:14px;width:50px;height:4px;
  background:var(--lime);transform:rotate(-24deg);
}
.logo-mark::after{
  content:"";position:absolute;left:-4px;top:24px;width:44px;height:3px;
  background:var(--mint);transform:rotate(-24deg);
}
.logo-text{display:flex;flex-direction:column;line-height:1.1;}
.logo-text b{font-size:17px;font-weight:900;letter-spacing:-0.02em;color:var(--ink);}
.logo-text small{font-size:11px;font-weight:600;letter-spacing:.14em;color:var(--muted);}

.main-nav{display:flex;align-items:center;gap:28px;}
.main-nav a{
  position:relative;
  font-size:15px;font-weight:600;color:var(--text);
  padding:6px 0;
  transition:color .2s ease;
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--lime);
  transform:scaleX(0);transform-origin:left;
  transition:transform .24s ease;
}
.main-nav a:hover::after,.main-nav a.active::after{transform:scaleX(1);}
.main-nav a.active{color:var(--ink);font-weight:700;}
.main-nav a.active::before{
  content:"";display:inline-block;width:6px;height:6px;border-radius:50%;
  background:var(--lime);margin-right:7px;vertical-align:middle;
}
.head-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);
  background:transparent;
  color:var(--text);
  border-radius:var(--pill);
  padding:9px 20px;
  font-size:14px;font-weight:600;
  transition:all .2s ease;
}
.btn-ghost:hover{border-color:var(--ink);background:#fff;color:var(--ink);}
.btn-primary-mk{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--lime);
  color:var(--ink);
  border:1px solid var(--lime);
  border-radius:var(--pill);
  padding:10px 22px;
  font-size:14px;font-weight:800;
  transition:all .2s ease;
  box-shadow:0 4px 14px rgba(184,240,56,.35);
}
.btn-primary-mk:hover{background:var(--lime-dim);border-color:var(--lime-dim);transform:translateY(-2px);box-shadow:0 10px 24px rgba(184,240,56,.45);color:var(--ink);}
.btn-primary-mk:active{transform:translateY(0);}
.btn-outline-light-mk{
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.28);
  color:var(--dtext);
  background:transparent;
  border-radius:var(--pill);
  padding:10px 22px;font-size:14px;font-weight:700;
  transition:all .2s ease;
}
.btn-outline-light-mk:hover{border-color:var(--lime);color:var(--lime);}
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:3px solid rgba(184,240,56,.5);outline-offset:2px;
}
.nav-toggle{
  width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  background:#fff;display:none;flex-direction:column;justify-content:center;
  align-items:center;gap:5px;cursor:pointer;
}
.nav-toggle i{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:.2s;}
.nav-toggle i:last-child{width:13px;align-self:flex-end;margin-right:12px;}

/* 移动抽屉 */
.mk-offcanvas{
  background:var(--ink);color:var(--dtext);
  width:min(88vw,360px);
}
.mk-offcanvas .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.12);padding:18px 22px;}
.mk-offcanvas .offcanvas-body{padding:22px;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:15px 0;border-bottom:1px solid rgba(255,255,255,.1);
  font-size:16px;font-weight:600;color:var(--dtext);
}
.drawer-nav a.active{color:var(--lime);}
.drawer-nav a span{color:var(--dmuted);font-size:12px;letter-spacing:.06em;}
.drawer-count{
  margin-top:24px;padding:16px;border-radius:var(--r-md);
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
}
.drawer-count .cd-label{font-size:12px;color:var(--dmuted);font-weight:700;letter-spacing:.06em;}
.drawer-count .cd-nums{margin-top:10px;}
.btn-close-mk{
  background:transparent;border:0;color:var(--dmuted);font-size:26px;line-height:1;
  cursor:pointer;padding:0 4px;
}

/* ============ Hero ============ */
.hero{
  background:var(--ink);
  color:var(--dtext);
  position:relative;
  overflow:hidden;
  padding:80px 0 76px;
  min-height:640px;
  display:flex;align-items:center;
}
.hero::after{
  content:"";position:absolute;right:-140px;top:-140px;width:520px;height:520px;
  background:radial-gradient(circle,rgba(184,240,56,.16),transparent 65%);
  pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;position:relative;z-index:2;}
.hero-status{
  display:inline-flex;align-items:center;gap:10px;
  border:1px solid rgba(184,240,56,.4);
  background:rgba(184,240,56,.1);
  color:var(--lime);
  border-radius:var(--pill);
  padding:6px 16px;
  font-size:13px;font-weight:700;letter-spacing:.04em;
  margin-bottom:22px;
}
.hero-status em{font-style:normal;color:var(--orange);font-weight:800;}
.hero h1{
  font-size:46px;font-weight:900;line-height:1.15;color:#fff;
  letter-spacing:-0.025em;margin-bottom:20px;
}
.hero h1 mark{
  background:transparent;color:var(--lime);
  text-decoration:underline;text-decoration-color:rgba(184,240,56,.45);
  text-decoration-thickness:6px;text-underline-offset:6px;
}
.hero .sub{
  font-size:17px;color:var(--dmuted);max-width:560px;line-height:1.75;margin-bottom:30px;
}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:40px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,1fr);
  border-top:1px solid rgba(255,255,255,.14);
  padding-top:26px;gap:18px;
}
.hero-stats .stat b{
  display:block;font-size:38px;font-weight:900;color:var(--lime);
  font-variant-numeric:tabular-nums;line-height:1;letter-spacing:-0.03em;
}
.hero-stats .stat span{display:block;font-size:13px;color:var(--dmuted);margin-top:8px;}
.hero-visual{position:relative;}
.hero-visual .frame{
  border-radius:22px;overflow:hidden;border:1px solid rgba(255,255,255,.14);
  box-shadow:0 30px 60px rgba(0,0,0,.45);
  aspect-ratio:4/3;
}
.hero-visual .frame img{width:100%;height:100%;object-fit:cover;}
.hero-chip{
  position:absolute;left:-14px;bottom:26px;
  background:var(--card);color:var(--text);
  border-radius:var(--r-md);
  padding:12px 18px;box-shadow:var(--sh-hover);
  border:1px solid var(--line);
  font-size:13px;font-weight:700;
}
.hero-chip b{display:block;font-size:20px;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1.2;}
.hero-deco-line{
  position:absolute;right:-10px;top:-18px;width:120px;height:120px;
  border-top:3px solid var(--mint);border-right:3px solid var(--mint);
  border-radius:0 20px 0 0;opacity:.6;
}

/* ============ 信任条 ============ */
.trust{background:#fff;border-bottom:1px solid var(--line);}
.trust .container{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:14px 32px;padding-top:26px;padding-bottom:26px;
}
.trust-item{
  font-size:14px;font-weight:700;color:var(--muted);letter-spacing:.04em;
  position:relative;padding-left:18px;
}
.trust-item::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:8px;height:8px;border-radius:2px;background:var(--line);
}
.trust-item:first-child{padding-left:0;}
.trust-item:first-child::before{display:none;}

/* ============ 通用标题 ============ */
.sec-head{max-width:760px;margin-bottom:52px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:800;letter-spacing:.16em;
  color:var(--muted);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--lime);}
.sec-head h2{font-size:32px;font-weight:900;color:var(--ink);margin-bottom:16px;letter-spacing:-0.025em;}
.sec-head .lead{font-size:16px;color:var(--muted);line-height:1.85;}
.sec-dark .sec-head h2{color:#fff;}
.sec-dark .eyebrow{color:var(--dmuted);}
.sec-dark .sec-head .lead{color:var(--dmuted);}

/* ============ 价值主张 ============ */
.value-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;}
.value-media{border-radius:22px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh);aspect-ratio:5/4;}
.value-media img{width:100%;height:100%;object-fit:cover;}
.value-list{margin-top:28px;display:flex;flex-direction:column;gap:20px;}
.value-item{display:flex;gap:16px;align-items:flex-start;}
.value-num{
  flex-shrink:0;width:40px;height:40px;border-radius:var(--r-sm);
  background:var(--ink);color:var(--lime);
  display:flex;align-items:center;justify-content:center;
  font-weight:900;font-size:15px;font-variant-numeric:tabular-nums;
}
.value-item h3{font-size:18px;font-weight:800;margin-bottom:6px;color:var(--ink);}
.value-item p{font-size:15px;color:var(--muted);line-height:1.75;}

/* ============ 功能分组 Zigzag ============ */
.zig-row{
  display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;
  padding:56px 0;
}
.zig-row + .zig-row{border-top:1px solid var(--line);}
.zig-row.reverse .zig-text{order:2;}
.zig-row.reverse .zig-media{order:1;}
.zig-group-no{
  font-size:13px;font-weight:900;letter-spacing:.2em;color:var(--orange);
  font-variant-numeric:tabular-nums;margin-bottom:12px;
}
.zig-text h3{font-size:26px;font-weight:900;color:var(--ink);margin-bottom:16px;letter-spacing:-0.02em;}
.zig-text p{font-size:16px;color:var(--muted);line-height:1.85;margin-bottom:22px;}
.zig-points{display:flex;flex-direction:column;gap:12px;}
.zig-points li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:15px;color:var(--text);line-height:1.7;
}
.zig-points li::before{
  content:"▸";color:var(--lime-dim);font-weight:900;flex-shrink:0;
}
.zig-media{border-radius:20px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh);aspect-ratio:16/11;}
.zig-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease-out;}
.zig-media:hover img{transform:scale(1.04);}

/* ============ 使用场景 ============ */
.scene-track{
  display:grid;grid-template-columns:repeat(3,1fr);gap:26px;
}
.scene-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh);transition:transform .22s ease-out,box-shadow .22s ease-out;
  display:flex;flex-direction:column;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.scene-card .cover{aspect-ratio:16/9;overflow:hidden;}
.scene-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out;}
.scene-card:hover .cover img{transform:scale(1.04);}
.scene-card .body{padding:22px 22px 26px;flex:1;display:flex;flex-direction:column;}
.scene-card h3{font-size:19px;font-weight:800;color:var(--ink);margin-bottom:10px;}
.scene-card .desc{font-size:15px;color:var(--muted);line-height:1.75;margin-bottom:16px;}
.scene-card ul{display:flex;flex-direction:column;gap:9px;margin-top:auto;}
.scene-card ul li{font-size:14px;color:var(--text);padding-left:18px;position:relative;line-height:1.65;}
.scene-card ul li::before{
  content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:2px;background:var(--mint);
}

/* ============ 成功案例 ============ */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.case-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:30px 26px;box-shadow:var(--sh);
  display:flex;flex-direction:column;gap:18px;
  transition:transform .22s ease-out,box-shadow .22s ease-out;
}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.case-quote{font-size:44px;line-height:1;color:var(--lime);font-weight:900;font-family:Georgia,serif;height:34px;}
.case-card p{font-size:15px;color:var(--text);line-height:1.85;}
.case-meta{display:flex;align-items:center;gap:14px;margin-top:auto;flex-wrap:wrap;}
.case-block{
  background:var(--bg);border:1px solid var(--line);border-radius:var(--r-sm);
  padding:10px 14px;min-width:96px;
}
.case-block b{display:block;font-size:22px;font-weight:900;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1.1;}
.case-block span{font-size:12px;color:var(--muted);font-weight:600;}
.case-who{font-size:13px;font-weight:700;color:var(--muted);letter-spacing:.04em;}

/* ============ 价格 ============ */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;align-items:start;}
.price-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px 28px;box-shadow:var(--sh);position:relative;
  transition:transform .22s ease-out,box-shadow .22s ease-out;
}
.price-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.price-card.featured{
  background:var(--ink);color:var(--dtext);border-color:var(--ink);
  transform:translateY(-12px);box-shadow:0 20px 44px rgba(14,26,22,.28);
}
.price-card.featured:hover{transform:translateY(-16px);}
.price-flag{
  position:absolute;top:-13px;right:22px;
  background:var(--orange);color:#fff;
  font-size:12px;font-weight:800;letter-spacing:.08em;
  padding:5px 14px;border-radius:var(--pill);
}
.price-card h3{font-size:20px;font-weight:800;margin-bottom:8px;}
.price-card .p-desc{font-size:14px;color:var(--muted);margin-bottom:22px;min-height:44px;}
.price-card.featured .p-desc{color:var(--dmuted);}
.price-amount{display:flex;align-items:baseline;gap:6px;margin-bottom:24px;}
.price-amount b{font-size:38px;font-weight:900;letter-spacing:-0.03em;font-variant-numeric:tabular-nums;line-height:1;}
.price-amount span{font-size:14px;color:var(--muted);font-weight:600;}
.price-card.featured .price-amount b{color:var(--lime);}
.price-card.featured .price-amount span{color:var(--dmuted);}
.price-list{display:flex;flex-direction:column;gap:12px;margin-bottom:28px;}
.price-list li{font-size:14.5px;display:flex;gap:10px;align-items:flex-start;line-height:1.65;}
.price-list li.ok::before{content:"✓";color:var(--mint);font-weight:900;}
.price-list li.no::before{content:"—";color:var(--muted);font-weight:900;}
.price-list li.no{color:var(--muted);}
.price-card.featured .price-list li{color:var(--dtext);}
.price-card.featured .price-list li.no{color:var(--dmuted);}
.price-note{
  margin-top:28px;font-size:13.5px;color:var(--muted);
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-sm);
  padding:14px 18px;line-height:1.7;
}

/* ============ 最新信息 CMS ============ */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:40px;flex-wrap:wrap;}
.link-all{
  font-size:14px;font-weight:700;color:var(--ink);
  border-bottom:2px solid var(--lime);padding-bottom:3px;
  transition:color .2s ease;
}
.link-all:hover{color:var(--lime-dim);}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.news-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh);display:flex;flex-direction:column;
  transition:transform .22s ease-out,box-shadow .22s ease-out;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.news-card .cover{aspect-ratio:16/9;overflow:hidden;background:var(--line);}
.news-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out;}
.news-card:hover .cover img{transform:scale(1.04);}
.news-card .body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1;}
.tag{
  display:inline-flex;align-items:center;align-self:flex-start;
  background:rgba(184,240,56,.2);color:#4C6B10;
  border-radius:var(--pill);padding:3px 12px;
  font-size:12px;font-weight:800;letter-spacing:.04em;margin-bottom:12px;
}
.news-card h3{
  font-size:17px;font-weight:800;color:var(--ink);line-height:1.5;
  margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card .excerpt{
  font-size:14px;color:var(--muted);line-height:1.7;margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--muted);font-weight:600;
  padding-top:14px;border-top:1px solid var(--line);
}
.news-foot .arrow{color:var(--ink);font-weight:900;transition:transform .2s ease;}
.news-card:hover .news-foot .arrow{transform:translateX(4px);}
.empty-state{
  grid-column:1/-1;min-height:220px;
  border:1px dashed var(--line);border-radius:var(--r-lg);background:#fff;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  text-align:center;padding:40px 24px;
}
.empty-state .icon{
  width:54px;height:54px;border-radius:16px;background:var(--bg);
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  font-size:22px;color:var(--muted);
}
.empty-state p{font-size:15px;color:var(--muted);}
.news-more{display:flex;justify-content:center;margin-top:44px;}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:12px;position:relative;overflow:hidden;
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:var(--lime);transform:scaleY(0);transform-origin:top;
  transition:transform .25s ease;
}
.faq-item.open::before{transform:scaleY(1);}
.faq-q{
  width:100%;background:transparent;border:0;text-align:left;
  padding:20px 54px 20px 24px;
  font-size:16.5px;font-weight:700;color:var(--ink);cursor:pointer;
  position:relative;line-height:1.6;
}
.faq-q::after{
  content:"+";position:absolute;right:24px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:700;color:var(--muted);transition:transform .25s ease,color .25s ease;
}
.faq-item.open .faq-q::after{content:"–";color:var(--lime-dim);}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .3s ease;
}
.faq-a .inner{padding:0 24px 22px;font-size:15px;color:var(--muted);line-height:1.85;}

/* ============ 底部转化带 ============ */
.cta-band{
  background:var(--ink);color:var(--dtext);border-radius:24px;
  padding:52px 48px;display:grid;grid-template-columns:1.3fr 1fr;gap:40px;align-items:center;
}
.cta-band h2{font-size:30px;font-weight:900;color:#fff;margin-bottom:14px;letter-spacing:-0.025em;}
.cta-band p{font-size:15px;color:var(--dmuted);line-height:1.8;max-width:520px;}
.cta-right{display:flex;flex-direction:column;gap:18px;align-items:flex-start;}
.cta-btns{display:flex;gap:12px;flex-wrap:wrap;}
.qr-box{
  display:flex;align-items:center;gap:14px;
  border:1px solid rgba(255,255,255,.16);border-radius:var(--r-md);
  padding:12px 16px;background:rgba(255,255,255,.04);
}
.qr-placeholder{
  width:64px;height:64px;border-radius:10px;flex-shrink:0;
  background:repeating-linear-gradient(45deg,rgba(255,255,255,.16) 0 6px,transparent 6px 12px);
  border:1px solid rgba(255,255,255,.2);
}
.qr-box span{font-size:13px;color:var(--dmuted);line-height:1.6;}

/* ============ Footer ============ */
.site-footer{background:var(--ink);color:var(--dtext);padding:72px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px;padding-bottom:52px;}
.footer-brand .logo-text b{color:#fff;}
.footer-brand .logo-text small{color:var(--dmuted);}
.footer-brand .logo-mark{background:rgba(255,255,255,.08);}
.footer-brand p{font-size:14px;color:var(--dmuted);line-height:1.8;margin:18px 0 20px;max-width:320px;}
.footer-badges{display:flex;flex-wrap:wrap;gap:8px;}
.f-badge{
  font-size:12px;font-weight:700;letter-spacing:.05em;
  border:1px solid rgba(255,255,255,.16);color:var(--dmuted);
  border-radius:var(--pill);padding:4px 12px;
}
.footer-col h4{font-size:15px;font-weight:800;color:#fff;margin-bottom:18px;letter-spacing:.02em;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{font-size:14px;color:var(--dmuted);transition:color .18s ease;}
.footer-col a:hover{color:var(--lime);}
.footer-dl{display:flex;flex-direction:column;gap:14px;}
.footer-dl .qr-box{background:rgba(255,255,255,.04);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--dmuted);
}
.footer-bottom .fb-links{display:flex;gap:20px;flex-wrap:wrap;}
.footer-bottom .fb-links a:hover{color:var(--lime);}

/* ============ 浮动按钮 & 移动底部条 ============ */
.to-top{
  position:fixed;right:22px;bottom:26px;z-index:1040;
  width:48px;height:48px;border-radius:50%;
  background:var(--ink);color:var(--lime);border:1px solid rgba(255,255,255,.16);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;cursor:pointer;
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:all .28s ease;box-shadow:var(--sh-hover);
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--lime);color:var(--ink);}
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:1041;
  background:rgba(14,26,22,.97);
  border-top:1px solid rgba(255,255,255,.12);
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  display:none;align-items:center;justify-content:space-between;gap:14px;
  transform:translateY(110%);transition:transform .3s ease;
}
.mobile-bar.show{transform:translateY(0);}
.mobile-bar .mb-txt{font-size:13px;color:var(--dmuted);line-height:1.4;}
.mobile-bar .mb-txt b{display:block;color:#fff;font-size:14px;font-weight:800;}
.mobile-bar .btn-primary-mk{padding:10px 18px;font-size:13.5px;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .hero h1{font-size:40px;}
  .sec-head h2{font-size:29px;}
}
@media (max-width:991px){
  :root{--sec:72px;}
  .main-nav,.head-actions .btn-ghost{display:none;}
  .nav-toggle{display:flex;}
  .hero{min-height:520px;padding:60px 0 56px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero h1{font-size:34px;}
  .hero-visual{order:2;}
  .hero-chip{left:12px;}
  .value-grid,.zig-row,.cta-band{grid-template-columns:1fr;gap:36px;}
  .zig-row{padding:40px 0;}
  .zig-row.reverse .zig-text,.zig-row.reverse .zig-media{order:0;}
  .zig-media{order:-1;}
  .scene-track,.case-grid,.price-grid,.news-grid{grid-template-columns:repeat(2,1fr);}
  .price-card.featured{transform:none;}
  .price-card.featured:hover{transform:translateY(-4px);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .cta-band{padding:40px 28px;}
  .mobile-bar{display:flex;}
  body{padding-bottom:74px;}
}
@media (max-width:767px){
  :root{--sec:56px;}
  .sec-tight{padding:48px 0;}
  .container{padding:0 16px;}
  .topbar .cd-label{display:none;}
  .hero h1{font-size:29px;}
  .hero .sub{font-size:15.5px;}
  .hero-stats{grid-template-columns:1fr 1fr;gap:20px;}
  .hero-stats .stat b{font-size:30px;}
  .sec-head h2{font-size:24px;}
  .zig-text h3{font-size:21px;}
  .scene-track{
    display:flex;overflow-x:auto;gap:16px;
    scroll-snap-type:x mandatory;
    padding-bottom:12px;margin:0 -16px;padding-left:16px;padding-right:16px;
    -webkit-overflow-scrolling:touch;
  }
  .scene-track::-webkit-scrollbar{height:4px;}
  .scene-track::-webkit-scrollbar-thumb{background:var(--line);border-radius:4px;}
  .scene-card{min-width:82vw;scroll-snap-align:start;}
  .case-grid,.news-grid{grid-template-columns:1fr;}
  .price-grid{display:flex;overflow-x:auto;gap:16px;scroll-snap-type:x mandatory;padding-bottom:14px;}
  .price-card{min-width:82vw;scroll-snap-align:start;transform:none;}
  .price-card.featured{transform:none;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-band h2{font-size:23px;}
  .to-top{right:16px;bottom:86px;}
  .price-note{font-size:13px;}
}
@media (max-width:520px){
  .hero h1{font-size:26px;}
  .hero-cta{flex-direction:column;align-items:stretch;}
  .hero-cta a{width:100%;}
  .trust .container{gap:12px 20px;}
  .trust-item{font-size:13px;}
}

/* roulang page: article */
:root{
  --ink:#0E1A16;
  --ink-2:#14241E;
  --lime:#B8F038;
  --lime-dark:#9BD11F;
  --orange:#FF5F2E;
  --mint:#35D6A8;
  --sand:#E9DFC7;
  --bg:#F6F7F3;
  --card:#FFFFFF;
  --line:#E3E7DD;
  --text:#17201C;
  --muted:#5C6A63;
  --dark-text:#F2F6EE;
  --dark-muted:#A9B7AE;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:12px;
  --r-pill:999px;
  --sh:0 8px 24px rgba(14,26,22,.08);
  --sh-hover:0 14px 34px rgba(14,26,22,.14);
  --sec:96px;
  --gap:24px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease}
a:hover{color:var(--ink)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.2;color:var(--text)}
p{margin:0 0 16px}
button,input{font-family:inherit;font-size:inherit}
:focus-visible{outline:3px solid rgba(184,240,56,.65);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 顶部状态条 ---------- */
.topbar{background:var(--ink);color:var(--dark-muted);font-size:13px;min-height:36px;display:flex;align-items:center}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:nowrap}
.tb-left{display:flex;align-items:center;gap:10px;min-width:0}
.tb-badge{background:rgba(184,240,56,.14);color:var(--lime);border:1px solid rgba(184,240,56,.32);border-radius:var(--r-pill);padding:2px 10px;font-weight:700;font-size:12px;letter-spacing:.04em;white-space:nowrap}
.tb-ver{color:var(--dark-text);opacity:.82;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tb-right{display:flex;align-items:center;gap:8px;white-space:nowrap}
.tb-label{color:var(--dark-muted)}
.countdown{display:flex;gap:6px;font-variant-numeric:tabular-nums}
.countdown i{font-style:normal;background:rgba(255,95,46,.14);border:1px solid rgba(255,95,46,.35);color:#FFD9CB;border-radius:8px;padding:1px 7px;font-weight:700;font-size:12px;min-width:34px;text-align:center}

/* ---------- 头部 ---------- */
.site-header{position:sticky;top:0;z-index:1040;background:rgba(246,247,243,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;min-width:0}
.logo-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(120deg,var(--lime),var(--mint));position:relative;flex:none;box-shadow:0 6px 16px rgba(53,214,168,.28)}
.logo-mark::after{content:"";position:absolute;left:8px;top:16px;width:18px;height:3px;background:var(--ink);border-radius:2px;transform:rotate(-24deg);box-shadow:0 -7px 0 -1px var(--ink),0 7px 0 -1px var(--ink)}
.logo-text{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.logo-text b{font-size:17px;font-weight:900;letter-spacing:-.01em;color:var(--ink);white-space:nowrap}
.logo-text small{font-size:10px;letter-spacing:.16em;color:var(--muted);font-weight:700}
.main-nav{display:flex;align-items:center;gap:28px}
.main-nav a{position:relative;font-size:15px;font-weight:600;color:var(--muted);padding:6px 0}
.main-nav a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .2s ease}
.main-nav a:hover{color:var(--ink)}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.active{color:var(--ink)}
.main-nav a.active::after{transform:scaleX(1)}
.main-nav a.active::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--orange);margin-right:6px;vertical-align:middle}
.header-actions{display:flex;align-items:center;gap:12px}
.btn-primary-mk{display:inline-flex;align-items:center;gap:8px;background:var(--lime);color:var(--ink);font-weight:800;font-size:15px;border:none;border-radius:var(--r-pill);padding:11px 22px;box-shadow:0 8px 20px rgba(184,240,56,.35);transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease;cursor:pointer}
.btn-primary-mk:hover{background:var(--lime-dark);color:var(--ink);transform:translateY(-2px);box-shadow:0 14px 30px rgba(184,240,56,.45)}
.btn-primary-mk:active{transform:translateY(0);box-shadow:0 6px 14px rgba(184,240,56,.35)}
.btn-ghost-mk{display:inline-flex;align-items:center;gap:8px;background:transparent;color:var(--ink);font-weight:700;font-size:15px;border:1px solid var(--line);border-radius:var(--r-pill);padding:10px 20px;transition:all .2s ease;cursor:pointer}
.btn-ghost-mk:hover{border-color:var(--ink);background:#fff;transform:translateY(-2px);color:var(--ink)}
.hamburger{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;position:relative;cursor:pointer}
.hamburger span{position:absolute;left:12px;right:12px;height:2px;background:var(--ink);border-radius:2px;transition:transform .22s ease,opacity .22s ease}
.hamburger span:nth-child(1){top:17px}
.hamburger span:nth-child(2){bottom:17px}
.hamburger.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.hamburger.is-open span:nth-child(2){transform:translateY(-6px) rotate(-45deg)}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(14,26,22,.5);opacity:0;pointer-events:none;transition:opacity .25s ease;z-index:1050}
.drawer-mask.show{opacity:1;pointer-events:auto}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(84vw,340px);background:var(--ink);color:var(--dark-text);z-index:1060;transform:translateX(102%);transition:transform .28s ease;padding:22px 20px calc(26px + env(safe-area-inset-bottom));display:flex;flex-direction:column;gap:18px;overflow-y:auto}
.drawer.show{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid rgba(255,255,255,.18);background:transparent;color:var(--dark-text);font-size:20px;line-height:1;cursor:pointer}
.drawer-nav{display:flex;flex-direction:column;gap:4px}
.drawer-nav a{padding:13px 12px;border-radius:12px;font-weight:700;color:var(--dark-text);border:1px solid transparent}
.drawer-nav a:hover{background:rgba(255,255,255,.06)}
.drawer-nav a.active{background:rgba(184,240,56,.12);border-color:rgba(184,240,56,.35);color:#fff}
.drawer-cd{border:1px solid rgba(255,255,255,.14);border-radius:var(--r-md);padding:14px}
.drawer-cd small{display:block;color:var(--dark-muted);font-size:12px;margin-bottom:8px}
.drawer .btn-primary-mk{justify-content:center;width:100%}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line)}
.crumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:14px 0;font-size:13px;color:var(--muted)}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--ink);text-decoration:underline}
.crumb .sep{opacity:.5}
.crumb .now{color:var(--muted);opacity:.85}

/* ---------- 文章头部 ---------- */
.article-hero{background:linear-gradient(180deg,#0E1A16 0%,#14241E 100%);color:var(--dark-text);padding:56px 0 64px;position:relative;overflow:hidden}
.article-hero::after{content:"";position:absolute;right:-40px;top:-30px;width:280px;height:280px;background:radial-gradient(circle at center,rgba(184,240,56,.22),transparent 68%);pointer-events:none}
.article-hero .ah-label{display:inline-flex;align-items:center;gap:8px;background:rgba(255,95,46,.16);border:1px solid rgba(255,95,46,.38);color:#FFCDB9;border-radius:var(--r-pill);padding:5px 14px;font-size:12px;font-weight:700;letter-spacing:.06em;margin-bottom:18px}
.article-hero h1{color:#fff;font-size:42px;font-weight:900;line-height:1.18;max-width:900px;margin-bottom:18px}
.ah-sub{max-width:760px;color:var(--dark-muted);font-size:16px;margin:0}
.ah-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:24px;font-size:13px;color:var(--dark-muted)}
.ah-meta .m-chip{background:rgba(184,240,56,.12);border:1px solid rgba(184,240,56,.32);color:var(--lime);border-radius:var(--r-pill);padding:3px 12px;font-weight:700}
.ah-meta .m-dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.3)}

/* ---------- 布局 ---------- */
.page-body{padding:56px 0 96px}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:40px;align-items:start}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh)}

/* ---------- 正文 ---------- */
.article-body{padding:38px 42px 34px;font-size:17px;line-height:1.9;color:var(--text)}
.article-body p{margin:0 0 20px}
.article-body h2{font-size:30px;font-weight:800;margin:44px 0 16px;padding-left:14px;border-left:5px solid var(--lime);line-height:1.28}
.article-body h3{font-size:21px;font-weight:700;margin:30px 0 12px}
.article-body blockquote{margin:24px 0;padding:18px 22px;background:#F3F6EE;border-left:4px solid var(--mint);border-radius:0 var(--r-md) var(--r-md) 0;color:#26332C}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:22px}
.article-body li{margin-bottom:10px;line-height:1.85}
.article-body ul li{list-style:disc}
.article-body ol li{list-style:decimal}
.article-body img{border-radius:var(--r-md);margin:22px 0;width:100%}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px}
.article-body a{color:#1D7A5C;font-weight:600;text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--ink)}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;display:block;overflow-x:auto}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left;white-space:nowrap}
.article-body th{background:#EEF2E8;font-weight:700}
.article-body code{background:#EEF2E8;border-radius:6px;padding:2px 6px;font-size:14px}

.inline-cta{margin:32px 0;padding:24px 26px;background:linear-gradient(135deg,#0E1A16,#14241E);border-radius:var(--r-lg);color:var(--dark-text);display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.inline-cta strong{display:block;font-size:19px;font-weight:800;color:#fff;margin-bottom:6px}
.inline-cta span{font-size:14px;color:var(--dark-muted)}

.empty-state{padding:70px 30px;text-align:center}
.empty-state .es-icon{width:62px;height:62px;border-radius:18px;background:#EEF2E8;display:grid;place-items:center;margin:0 auto 16px;font-size:26px;color:var(--muted)}
.empty-state h2{font-size:24px;margin-bottom:10px}
.empty-state p{color:var(--muted);max-width:420px;margin:0 auto 22px}

/* ---------- 文末 ---------- */
.article-foot{padding:0 42px 40px}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;padding:22px 0;border-top:1px solid var(--line)}
.tag-list a{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:700;color:var(--muted);background:#F3F6EE;border:1px solid var(--line);border-radius:var(--r-pill);padding:5px 14px;transition:all .18s ease}
.tag-list a:hover{color:var(--ink);border-color:var(--lime);background:#fff}
.pager-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:8px 0 34px}
.pager-card{border:1px solid var(--line);border-radius:var(--r-md);padding:18px;background:#fff;transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;display:block}
.pager-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:#CFE0B4}
.pager-card small{display:block;font-size:12px;color:var(--muted);letter-spacing:.06em;font-weight:700;margin-bottom:8px}
.pager-card b{font-size:16px;font-weight:800;color:var(--ink)}
.pager-card.next{text-align:right}
.rel-title{font-size:22px;font-weight:800;margin-bottom:18px}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.rel-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;display:flex;flex-direction:column;transition:transform .22s ease,box-shadow .22s ease}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.rel-thumb{aspect-ratio:16/9;overflow:hidden}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .22s ease}
.rel-card:hover .rel-thumb img{transform:scale(1.04)}
.rel-body{padding:16px 16px 18px}
.rel-body .rb-tag{font-size:12px;font-weight:700;color:#1D7A5C;letter-spacing:.05em}
.rel-body h3{font-size:17px;font-weight:800;margin:8px 0 6px}
.rel-body p{font-size:14px;color:var(--muted);margin:0;line-height:1.7}

/* ---------- 侧栏 ---------- */
.sidebar{display:flex;flex-direction:column;gap:20px;position:sticky;top:96px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;box-shadow:var(--sh)}
.side-card h3{font-size:16px;font-weight:800;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--lime)}
.toc-list{display:flex;flex-direction:column;gap:2px;border-left:2px solid var(--line);padding-left:12px}
.toc-list a{font-size:14px;color:var(--muted);padding:5px 0;line-height:1.5;display:block}
.toc-list a:hover{color:var(--ink);font-weight:700}
.toc-empty{font-size:13px;color:var(--muted)}
.hot-list{display:flex;flex-direction:column;gap:12px}
.hot-item{display:flex;gap:12px;align-items:flex-start}
.hot-num{flex:none;width:24px;height:24px;border-radius:8px;background:#EEF2E8;color:var(--muted);font-size:12px;font-weight:800;display:grid;place-items:center;margin-top:2px}
.hot-item a{font-size:14px;font-weight:700;line-height:1.6;color:var(--text)}
.hot-item a:hover{color:#1D7A5C}
.dl-card{background:linear-gradient(150deg,#0E1A16,#14241E);color:var(--dark-text);border:none}
.dl-card h3{color:#fff}
.dl-card h3::before{background:var(--orange)}
.dl-card p{font-size:14px;color:var(--dark-muted);margin-bottom:16px}
.dl-card .btn-primary-mk{width:100%;justify-content:center}

/* ---------- 底部转化带 ---------- */
.cta-band{background:var(--ink);color:var(--dark-text);padding:72px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:34px;flex-wrap:wrap}
.cta-inner h2{color:#fff;font-size:32px;font-weight:900;margin-bottom:10px}
.cta-inner p{color:var(--dark-muted);margin:0;max-width:560px;font-size:15px}
.cta-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.qr-mini{width:96px;height:96px;border-radius:var(--r-md);background:rgba(255,255,255,.06);border:1px dashed rgba(255,255,255,.28);display:grid;place-items:center;text-align:center;font-size:11px;color:var(--dark-muted);padding:6px;line-height:1.4}
.btn-outline-dark{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(255,255,255,.34);color:#fff;border-radius:var(--r-pill);padding:11px 22px;font-weight:700;font-size:15px;transition:all .2s ease}
.btn-outline-dark:hover{background:rgba(255,255,255,.1);border-color:#fff;color:#fff;transform:translateY(-2px)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--dark-muted);padding:64px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px}
.footer-brand .logo-text b{color:#fff}
.footer-brand .logo-text small{color:var(--dark-muted)}
.footer-brand p{margin:16px 0 18px;line-height:1.8;color:var(--dark-muted)}
.footer-badges{display:flex;gap:8px;flex-wrap:wrap}
.f-badge{font-size:12px;font-weight:700;border:1px solid rgba(255,255,255,.18);border-radius:var(--r-pill);padding:3px 11px;color:#DDE6D8}
.footer-col h4{color:#fff;font-size:15px;font-weight:800;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{color:var(--dark-muted);font-size:14px}
.footer-col a:hover{color:var(--lime)}
.footer-dl{display:flex;flex-direction:column;gap:14px}
.qr-box{display:flex;gap:14px;align-items:flex-start}
.qr-placeholder{width:84px;height:84px;flex:none;border-radius:var(--r-sm);background:rgba(255,255,255,.06);border:1px dashed rgba(255,255,255,.28)}
.qr-box span{font-size:13px;color:var(--dark-muted);line-height:1.7}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0 28px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px}
.fb-links{display:flex;gap:18px;flex-wrap:wrap}
.fb-links a{color:var(--dark-muted)}
.fb-links a:hover{color:var(--lime)}

/* ---------- 浮动 / 移动条 ---------- */
.back-top{position:fixed;right:22px;bottom:26px;width:48px;height:48px;border-radius:50%;background:var(--ink);color:var(--lime);border:none;display:grid;place-items:center;font-size:18px;box-shadow:var(--sh-hover);opacity:0;pointer-events:none;transform:translateY(10px);transition:opacity .25s ease,transform .25s ease;z-index:1030;cursor:pointer}
.back-top.show{opacity:1;pointer-events:auto;transform:translateY(0)}
.mobile-bar{position:fixed;left:0;right:0;bottom:0;height:64px;padding-bottom:env(safe-area-inset-bottom);background:rgba(14,26,22,.97);display:none;align-items:center;justify-content:space-between;gap:12px;padding-left:16px;padding-right:16px;z-index:1035;transform:translateY(110%);transition:transform .28s ease}
.mobile-bar.show{transform:translateY(0)}
.mobile-bar span{color:#DDE6D8;font-size:13px;font-weight:600}
.mobile-bar .btn-primary-mk{padding:9px 18px;font-size:14px}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .article-hero h1{font-size:36px}
  .layout{grid-template-columns:minmax(0,1fr) 290px;gap:28px}
}
@media (max-width:991px){
  .main-nav{display:none}
  .header-actions .btn-ghost-mk{display:none}
  .hamburger{display:block}
  .layout{grid-template-columns:1fr}
  .sidebar{position:static}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .article-body{padding:30px 26px}
  .article-foot{padding:0 26px 32px}
  .tb-ver{display:none}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .topbar{font-size:12px}
  .countdown i{min-width:28px;padding:1px 5px}
  .article-hero{padding:38px 0 44px}
  .article-hero h1{font-size:28px}
  .ah-sub{font-size:15px}
  .page-body{padding:34px 0 72px}
  .article-body{font-size:16px;padding:24px 20px}
  .article-body h2{font-size:23px;margin-top:34px}
  .article-body h3{font-size:19px}
  .article-foot{padding:0 20px 28px}
  .pager-grid{grid-template-columns:1fr}
  .pager-card.next{text-align:left}
  .rel-grid{grid-template-columns:1fr}
  .cta-band{padding:52px 0}
  .cta-inner h2{font-size:24px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .mobile-bar{display:flex}
  .back-top{bottom:82px;right:16px}
}
@media (max-width:520px){
  .logo-text b{font-size:15px}
  .logo-text small{font-size:9px;letter-spacing:.1em}
  .article-hero h1{font-size:25px}
  .inline-cta{padding:20px}
}

/* roulang page: category1 */
:root{
  --ink:#0E1A16;
  --ink-2:#132420;
  --lime:#B8F038;
  --orange:#FF5F2E;
  --mint:#35D6A8;
  --sand:#E9DFC7;
  --bg:#F6F7F3;
  --card:#FFFFFF;
  --line:#E3E7DD;
  --text:#17201C;
  --muted:#5C6A63;
  --d-text:#F2F6EE;
  --d-muted:#A9B7AE;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:12px;
  --sh-1:0 8px 24px rgba(14,26,22,.08);
  --sh-2:0 14px 34px rgba(14,26,22,.14);
  --sp-sec:104px;
  --sp-sec-sm:64px;
  --header-h:72px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .18s ease}
a:hover{color:var(--ink)}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.2;letter-spacing:-.01em}
p{margin:0}
:focus-visible{outline:3px solid rgba(184,240,56,.45);outline-offset:2px;border-radius:6px}

.container-mk{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 顶部状态条 ---------- */
.topbar{background:var(--ink-2);color:var(--d-muted);font-size:13px;border-bottom:1px solid rgba(255,255,255,.06)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px;padding:4px 0}
.topbar-left{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.tb-badge{display:inline-flex;align-items:center;gap:6px;background:rgba(184,240,56,.14);color:var(--lime);border:1px solid rgba(184,240,56,.32);border-radius:999px;padding:2px 10px;font-size:12px;font-weight:700;letter-spacing:.04em}
.tb-tag{display:inline-flex;align-items:center;gap:6px;color:var(--d-muted);font-size:12px}
.tb-tag .dot{width:6px;height:6px;border-radius:50%;background:var(--mint);display:inline-block}
.countdown{display:flex;align-items:center;gap:8px;font-size:12px}
.countdown .cd-label{color:var(--d-muted)}
.cd-cells{display:flex;gap:4px}
.cd-cell{min-width:30px;text-align:center;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:6px;padding:1px 4px;color:var(--d-text);font-weight:700;font-variant-numeric:tabular-nums}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:var(--ink);border-bottom:1px solid rgba(255,255,255,.08)}
.header-inner{display:flex;align-items:center;gap:28px;height:var(--header-h)}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,var(--lime),var(--mint));position:relative;flex-shrink:0}
.logo-mark::before{content:"";position:absolute;left:8px;top:11px;width:14px;height:3px;background:var(--ink);border-radius:2px;transform:rotate(-32deg)}
.logo-mark::after{content:"";position:absolute;left:8px;top:17px;width:9px;height:3px;background:var(--ink);border-radius:2px;transform:rotate(-32deg);opacity:.65}
.logo-text{display:flex;flex-direction:column;line-height:1.1}
.logo-text b{color:#fff;font-size:16px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.logo-text small{color:var(--d-muted);font-size:10px;letter-spacing:.16em;font-weight:700}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:auto}
.main-nav a{position:relative;color:var(--d-muted);font-size:15px;font-weight:600;padding:6px 0}
.main-nav a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .22s ease}
.main-nav a:hover{color:#fff}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.active{color:#fff}
.main-nav a.active::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--lime);margin-right:8px;vertical-align:middle}
.main-nav a.active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.btn-ghost-mk{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:40px;padding:0 18px;border-radius:999px;border:1px solid rgba(255,255,255,.28);color:var(--d-text);font-size:14px;font-weight:600;background:transparent;transition:all .18s ease}
.btn-ghost-mk:hover{border-color:var(--lime);color:var(--lime);background:rgba(184,240,56,.08)}
.btn-primary-mk{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:42px;padding:0 22px;border-radius:999px;background:var(--lime);color:var(--ink);font-size:14px;font-weight:800;border:1px solid var(--lime);transition:all .18s ease;box-shadow:0 6px 18px rgba(184,240,56,.22)}
.btn-primary-mk:hover{background:#c8f95c;color:var(--ink);transform:translateY(-2px);box-shadow:0 12px 26px rgba(184,240,56,.3)}
.btn-primary-mk:active{transform:translateY(0)}
.btn-outline-dark-mk{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:42px;padding:0 20px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--text);font-size:14px;font-weight:700;transition:all .18s ease}
.btn-outline-dark-mk:hover{border-color:var(--ink);background:#fff;transform:translateY(-2px);box-shadow:var(--sh-1)}

.nav-toggle{display:none;width:44px;height:44px;border:1px solid rgba(255,255,255,.22);border-radius:12px;background:transparent;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:6px}
.nav-toggle span{display:block;width:18px;height:2px;background:#fff;border-radius:2px;transition:all .2s ease}
.nav-toggle:hover{border-color:var(--lime)}
.nav-toggle:hover span{background:var(--lime)}

/* ---------- offcanvas 移动抽屉 ---------- */
.offcanvas-mk{background:var(--ink);color:var(--d-text);width:320px}
.offcanvas-mk .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.1);padding:18px 20px}
.offcanvas-mk .offcanvas-body{padding:20px}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:24px}
.drawer-nav a{display:flex;align-items:center;justify-content:space-between;padding:14px 14px;border-radius:var(--r-sm);color:var(--d-muted);font-weight:600;font-size:15px;transition:all .18s ease}
.drawer-nav a:hover{background:rgba(255,255,255,.06);color:#fff}
.drawer-nav a.active{background:rgba(184,240,56,.12);color:var(--lime);border-left:3px solid var(--lime)}
.drawer-cd{margin-bottom:22px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:var(--r-md);padding:14px}
.drawer-cd .cd-label{font-size:12px;color:var(--d-muted);display:block;margin-bottom:8px}
.drawer-cta{display:block;width:100%;text-align:center}

/* ---------- 页面头部 Hero ---------- */
.page-hero{position:relative;background:var(--ink);color:var(--d-text);overflow:hidden;padding:72px 0 64px}
.page-hero::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;opacity:.2}
.page-hero::after{content:"";position:absolute;right:-80px;top:-60px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(184,240,56,.22),transparent 62%);pointer-events:none}
.page-hero .container-mk{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--d-muted);margin-bottom:20px;flex-wrap:wrap}
.crumb a:hover{color:var(--lime)}
.crumb .sep{opacity:.5}
.crumb .cur{color:var(--d-text)}
.hero-badges{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px}
.h-badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;letter-spacing:.05em;padding:5px 12px;border-radius:999px;border:1px solid rgba(184,240,56,.34);color:var(--lime);background:rgba(184,240,56,.1)}
.h-badge.orange{border-color:rgba(255,95,46,.4);color:#ff8a63;background:rgba(255,95,46,.1)}
.h-badge.plain{border-color:rgba(255,255,255,.18);color:var(--d-muted);background:rgba(255,255,255,.04)}
.page-hero h1{font-size:44px;font-weight:900;line-height:1.15;letter-spacing:-.02em;max-width:820px}
.page-hero h1 em{font-style:normal;color:var(--lime)}
.hero-lead{margin-top:20px;max-width:720px;font-size:17px;line-height:1.9;color:var(--d-muted)}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:44px;padding-top:32px;border-top:1px solid rgba(255,255,255,.12);max-width:760px}
.hero-stats .hs-num{font-size:38px;font-weight:900;color:var(--lime);font-variant-numeric:tabular-nums;line-height:1.1}
.hero-stats .hs-txt{font-size:13px;color:var(--d-muted);margin-top:6px}

/* ---------- 锚点导航 ---------- */
.anchor-nav{position:sticky;top:var(--header-h);z-index:1020;background:rgba(246,247,243,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.anchor-inner{display:flex;align-items:center;gap:10px;overflow-x:auto;padding:12px 0;scrollbar-width:none}
.anchor-inner::-webkit-scrollbar{display:none}
.anchor-inner a{flex:0 0 auto;font-size:14px;font-weight:700;color:var(--muted);background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 16px;transition:all .18s ease}
.anchor-inner a:hover{border-color:var(--ink);color:var(--ink);transform:translateY(-1px)}
.anchor-inner a.is-current{background:var(--ink);border-color:var(--ink);color:var(--lime)}

/* ---------- 主体双栏 ---------- */
.section{padding:var(--sp-sec) 0}
.section.tight{padding:80px 0}
.section.dark{background:var(--ink);color:var(--d-text)}
.section.dark .lead{color:var(--d-muted)}
.section-head{max-width:760px;margin-bottom:44px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:800;letter-spacing:.16em;color:var(--muted);text-transform:uppercase;margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--lime)}
.section.dark .eyebrow{color:var(--d-muted)}
h2.sec-title{font-size:32px;font-weight:800;letter-spacing:-.01em}
.lead{margin-top:16px;color:var(--muted);font-size:16.5px}

.split-layout{display:grid;grid-template-columns:250px 1fr;gap:48px;align-items:start}
.side-toc{position:sticky;top:calc(var(--header-h) + 72px);background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:20px;box-shadow:var(--sh-1)}
.side-toc h3{font-size:13px;font-weight:800;letter-spacing:.12em;color:var(--muted);text-transform:uppercase;margin-bottom:14px}
.side-toc ol{display:flex;flex-direction:column;gap:2px}
.side-toc a{display:flex;gap:10px;padding:9px 10px;border-radius:10px;font-size:14px;font-weight:600;color:var(--muted);transition:all .18s ease}
.side-toc a i{font-style:normal;font-size:12px;font-weight:800;color:#b6c0b7;font-variant-numeric:tabular-nums;padding-top:1px}
.side-toc a:hover{background:#F2F5EE;color:var(--ink)}
.side-toc a:hover i{color:var(--lime)}
.side-toc .toc-cta{margin-top:18px;padding-top:18px;border-top:1px solid var(--line)}
.side-toc .toc-cta p{font-size:13px;color:var(--muted);margin-bottom:12px}

.content-stack{display:flex;flex-direction:column;gap:28px}
.block-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:34px;box-shadow:var(--sh-1);transition:box-shadow .22s ease,transform .22s ease}
.block-card:hover{box-shadow:var(--sh-2);transform:translateY(-4px)}
.block-head{display:flex;align-items:flex-start;gap:18px;margin-bottom:20px}
.block-num{font-size:34px;font-weight:900;color:#DDE4D6;line-height:1;font-variant-numeric:tabular-nums;flex-shrink:0;letter-spacing:-.03em}
.block-card h3{font-size:21px;font-weight:800}
.block-card h3 span{display:block;font-size:13px;font-weight:700;color:var(--muted);letter-spacing:.06em;margin-top:6px}
.block-card > p{color:var(--muted);font-size:15.5px}
.feat-list{margin-top:22px;display:flex;flex-direction:column;gap:12px}
.feat-list li{display:flex;gap:14px;background:#F7F9F3;border:1px solid var(--line);border-radius:var(--r-md);padding:14px 16px;transition:all .18s ease}
.feat-list li:hover{border-color:var(--lime);background:#FBFDF4}
.feat-list .fi{width:26px;height:26px;flex:0 0 26px;border-radius:8px;background:var(--ink);color:var(--lime);font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums}
.feat-list .ft{font-size:14.5px;color:var(--text)}
.feat-list .ft b{display:block;font-size:15px;font-weight:700;margin-bottom:2px}
.feat-list .ft span{color:var(--muted);font-size:14px}
.block-media{margin-top:24px;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line)}
.block-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease-out}
.block-card:hover .block-media img{transform:scale(1.04)}

/* ---------- 对照表 ---------- */
.table-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow-x:auto}
table.cmp{width:100%;border-collapse:collapse;min-width:720px}
table.cmp th,table.cmp td{padding:16px 20px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--line)}
table.cmp thead th{background:#EFF3E8;font-weight:800;font-size:13px;letter-spacing:.05em;color:var(--muted);white-space:nowrap}
table.cmp tbody td:first-child{font-weight:700;color:var(--text)}
table.cmp tbody tr:hover{background:#FAFCF5}
table.cmp tbody tr:last-child td{border-bottom:0}
.ck{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:13.5px}
.ck.yes{color:#1F8F63}
.ck.no{color:#9AA6A0}
.ck.part{color:#C2521F}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto}
.accordion-mk .accordion-item{border:1px solid var(--line);border-radius:var(--r-md);background:#fff;margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-1)}
.accordion-mk .accordion-button{font-size:16.5px;font-weight:700;color:var(--text);background:#fff;padding:20px 22px;border:0;box-shadow:none;position:relative}
.accordion-mk .accordion-button::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--lime);transform:scaleY(0);transition:transform .22s ease}
.accordion-mk .accordion-button:not(.collapsed){color:var(--ink);background:#FBFDF4}
.accordion-mk .accordion-button:not(.collapsed)::before{transform:scaleY(1)}
.accordion-mk .accordion-button:focus{box-shadow:none;outline:none}
.accordion-mk .accordion-button::after{background-image:none;content:"";width:9px;height:9px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:rotate(45deg);transition:transform .25s ease;margin-left:16px;flex-shrink:0}
.accordion-mk .accordion-button:not(.collapsed)::after{transform:rotate(-135deg);border-color:var(--ink)}
.accordion-mk .accordion-body{padding:0 22px 22px 26px;color:var(--muted);font-size:15px;line-height:1.9}

/* ---------- CTA 转化带 ---------- */
.cta-band{background:var(--ink);color:var(--d-text);border-radius:24px;padding:52px;display:grid;grid-template-columns:1.3fr 1fr;gap:40px;align-items:center;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;right:-60px;bottom:-80px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(53,214,168,.22),transparent 64%)}
.cta-band h2{font-size:30px;font-weight:800;position:relative;z-index:2}
.cta-band p{margin-top:14px;color:var(--d-muted);font-size:15.5px;max-width:520px;position:relative;z-index:2}
.cta-side{position:relative;z-index:2;display:flex;flex-direction:column;gap:14px;align-items:flex-start}
.cta-side .mini-note{font-size:13px;color:var(--d-muted)}
.qr-mini{display:flex;align-items:center;gap:14px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-md);padding:14px 16px}
.qr-mini .qr-box-mini{width:64px;height:64px;border-radius:10px;background:
  repeating-linear-gradient(0deg,rgba(255,255,255,.72) 0 4px,rgba(255,255,255,.1) 4px 8px),
  repeating-linear-gradient(90deg,rgba(255,255,255,.72) 0 4px,rgba(0,0,0,0) 4px 8px);
  border:1px solid rgba(255,255,255,.2);flex-shrink:0}
.qr-mini span{font-size:13px;color:var(--d-muted);line-height:1.7}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:var(--d-muted);padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.9;max-width:340px}
.footer-badges{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}
.f-badge{font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px;border:1px solid rgba(255,255,255,.16);color:var(--d-muted)}
.footer-col h4{color:#fff;font-size:15px;font-weight:800;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col ul a{font-size:14px;color:var(--d-muted)}
.footer-col ul a:hover{color:var(--lime)}
.footer-dl{display:flex;flex-direction:column;gap:16px}
.qr-box{display:flex;gap:14px;align-items:flex-start}
.qr-placeholder{width:72px;height:72px;border-radius:10px;flex-shrink:0;border:1px solid rgba(255,255,255,.18);
  background:
  repeating-linear-gradient(0deg,rgba(255,255,255,.6) 0 4px,rgba(255,255,255,.08) 4px 8px),
  repeating-linear-gradient(90deg,rgba(255,255,255,.6) 0 4px,rgba(0,0,0,0) 4px 8px);}
.qr-box span{font-size:13px;line-height:1.75}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:22px 0 28px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px}
.fb-links{display:flex;gap:20px;flex-wrap:wrap}
.fb-links a:hover{color:var(--lime)}

/* ---------- 浮动元素 ---------- */
.back-to-top{position:fixed;right:24px;bottom:28px;width:48px;height:48px;border-radius:50%;background:var(--ink);color:var(--lime);border:1px solid rgba(184,240,56,.4);display:flex;align-items:center;justify-content:center;font-size:16px;opacity:0;visibility:hidden;transform:translateY(12px);transition:all .28s ease;z-index:1040;cursor:pointer}
.back-to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.back-to-top:hover{background:var(--lime);color:var(--ink)}
.mobile-dl-bar{position:fixed;left:0;right:0;bottom:0;height:64px;padding:0 16px calc(0px + env(safe-area-inset-bottom));background:rgba(14,26,22,.97);border-top:1px solid rgba(255,255,255,.12);display:none;align-items:center;justify-content:space-between;gap:12px;z-index:1045;opacity:0;visibility:hidden;transform:translateY(100%);transition:all .3s ease}
.mobile-dl-bar.show{opacity:1;visibility:visible;transform:translateY(0)}
.mobile-dl-bar .md-text{font-size:13px;color:var(--d-muted);line-height:1.4}
.mobile-dl-bar .md-text b{display:block;color:#fff;font-size:14px}
.mobile-dl-bar .btn-primary-mk{height:40px;padding:0 18px;font-size:13.5px}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .page-hero h1{font-size:38px}
  .split-layout{grid-template-columns:220px 1fr;gap:32px}
}
@media (max-width:991px){
  :root{--header-h:64px;--sp-sec:72px}
  .main-nav{display:none}
  .header-actions .btn-ghost-mk{display:none}
  .nav-toggle{display:flex}
  .header-inner{gap:16px}
  .logo-text b{font-size:15px}
  .page-hero{padding:52px 0 48px}
  .page-hero h1{font-size:32px}
  .hero-lead{font-size:15.5px}
  .hero-stats{grid-template-columns:repeat(3,1fr);gap:12px;margin-top:34px}
  .hero-stats .hs-num{font-size:28px}
  .split-layout{grid-template-columns:1fr;gap:24px}
  .side-toc{position:static;order:0}
  .side-toc ol{flex-direction:row;flex-wrap:wrap;gap:8px}
  .side-toc a{background:#F4F7EE;border:1px solid var(--line)}
  .side-toc .toc-cta{display:none}
  .cta-band{grid-template-columns:1fr;padding:40px 28px;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .mobile-dl-bar{display:flex}
  .back-to-top{bottom:84px}
  .section{padding:var(--sp-sec) 0}
}
@media (max-width:767px){
  .container-mk{padding:0 16px}
  :root{--sp-sec:56px}
  .topbar-inner{gap:10px}
  .countdown .cd-label{display:none}
  .tb-tag{display:none}
  .page-hero h1{font-size:28px}
  .hero-stats{grid-template-columns:1fr 1fr;gap:14px 10px}
  .hero-stats .hs-num{font-size:26px}
  .block-card{padding:24px 20px}
  .block-num{font-size:26px}
  .block-card h3{font-size:19px}
  h2.sec-title{font-size:24px}
  .section-head{margin-bottom:30px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .cta-band h2{font-size:23px}
  .accordion-mk .accordion-button{font-size:15.5px;padding:17px 18px}
  .accordion-mk .accordion-body{padding:0 18px 18px 20px;font-size:14.5px}
}
@media (max-width:520px){
  .page-hero h1{font-size:26px}
  .hero-actions .btn-primary-mk,.hero-actions .btn-ghost-mk{width:100%}
  .hero-stats{grid-template-columns:1fr}
}

/* roulang page: category2 */
:root{
  --ink:#0E1A16;
  --ink-soft:#16261F;
  --lime:#B8F038;
  --orange:#FF5F2E;
  --mint:#35D6A8;
  --sand:#E9DFC7;
  --bg:#F6F7F3;
  --card:#FFFFFF;
  --line:#E3E7DD;
  --text:#17201C;
  --muted:#5C6A63;
  --dark-text:#F2F6EE;
  --dark-muted:#A9B7AE;
  --accent:var(--orange);
  --radius:18px;
  --radius-sm:14px;
  --radius-xs:12px;
  --shadow:0 8px 24px rgba(14,26,22,.08);
  --shadow-hover:0 14px 34px rgba(14,26,22,.14);
  --section-space:104px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease,opacity .18s ease;}
button{font:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.22;letter-spacing:-.01em;color:var(--text);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
table{border-collapse:collapse;width:100%;}
:focus-visible{outline:3px solid rgba(184,240,56,.55);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}
.section{padding:var(--section-space) 0;}
.section.alt{background:#FFFFFF;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section.dark{background:var(--ink);color:var(--dark-text);}
.section.dark h2,.section.dark h3{color:var(--dark-text);}
.section.dark p{color:var(--dark-muted);}

/* ============ 顶部状态细条 ============ */
.topbar{background:var(--ink);color:var(--dark-muted);font-size:13px;height:38px;display:flex;align-items:center;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.topbar-left{display:flex;align-items:center;gap:12px;min-width:0;}
.tb-badge{display:inline-flex;align-items:center;gap:6px;background:rgba(184,240,56,.14);color:var(--lime);border:1px solid rgba(184,240,56,.35);border-radius:999px;padding:2px 10px;font-size:12px;font-weight:700;letter-spacing:.04em;white-space:nowrap;}
.tb-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime);}
.tb-version{color:var(--dark-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.countdown{display:flex;align-items:center;gap:6px;white-space:nowrap;}
.cd-label{color:var(--dark-muted);margin-right:4px;}
.cd-num{display:inline-block;min-width:26px;text-align:center;background:rgba(255,255,255,.08);color:var(--lime);border-radius:6px;padding:1px 4px;font-weight:800;font-variant-numeric:tabular-nums;font-size:13px;}
.cd-unit{color:var(--dark-muted);font-size:12px;margin-right:4px;}

/* ============ Header ============ */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(246,247,243,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);}
.header-inner{display:flex;align-items:center;gap:30px;height:72px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{width:30px;height:30px;border-radius:9px;background:linear-gradient(140deg,var(--lime),var(--mint));position:relative;flex:0 0 auto;}
.logo-mark::after{content:"";position:absolute;left:9px;right:9px;top:9px;bottom:9px;border-left:2px solid var(--ink);border-bottom:2px solid var(--ink);transform:skewX(-18deg);}
.logo-text{display:flex;flex-direction:column;line-height:1.12;}
.logo-text b{font-size:16px;font-weight:800;letter-spacing:-.01em;color:var(--text);}
.logo-text small{font-size:10px;font-weight:700;letter-spacing:.16em;color:var(--muted);}

.main-nav{display:flex;align-items:center;gap:28px;margin-left:6px;}
.main-nav a{position:relative;font-size:15px;font-weight:600;color:var(--text);padding:8px 0;}
.main-nav a::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.active{color:var(--ink);}
.main-nav a.active::after{transform:scaleX(1);}
.main-nav a.active::before{content:"";position:absolute;left:-12px;top:50%;width:5px;height:5px;border-radius:50%;background:var(--accent);transform:translateY(-50%);}

.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}

.btn-cta,.btn-outline-mk,.btn-accent{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:999px;font-size:15px;font-weight:800;border:1px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;white-space:nowrap;}
.btn-cta{background:var(--lime);color:var(--ink);box-shadow:0 6px 16px rgba(184,240,56,.32);}
.btn-cta:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(184,240,56,.45);color:var(--ink);filter:brightness(1.04);}
.btn-cta:active{transform:translateY(0);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(255,95,46,.3);}
.btn-accent:hover{transform:translateY(-2px);color:#fff;box-shadow:0 12px 26px rgba(255,95,46,.42);filter:brightness(1.04);}
.btn-accent:active{transform:translateY(0);}
.btn-outline-mk{background:transparent;color:var(--text);border-color:var(--line);}
.btn-outline-mk:hover{border-color:var(--accent);color:var(--ink);background:rgba(255,95,46,.07);transform:translateY(-2px);}

.nav-toggle{display:none;margin-left:auto;width:46px;height:46px;border:1px solid var(--line);border-radius:12px;background:#fff;flex-direction:column;justify-content:center;align-items:center;gap:6px;}
.nav-toggle span{display:block;width:19px;height:2px;border-radius:2px;background:var(--ink);transition:width .2s ease;}
.nav-toggle span:last-child{width:12px;}

/* 移动端抽屉 */
.mk-drawer{background:var(--ink);color:var(--dark-text);width:min(88vw,360px);}
.mk-drawer .offcanvas-header{padding:20px 22px;border-bottom:1px solid rgba(255,255,255,.12);display:flex;align-items:center;justify-content:space-between;}
.mk-drawer .logo-text b{color:#fff;}
.mk-drawer .logo-text small{color:var(--dark-muted);}
.drawer-close{width:42px;height:42px;border-radius:12px;border:1px solid rgba(255,255,255,.18);background:transparent;position:relative;}
.drawer-close span{position:absolute;left:12px;right:12px;top:50%;height:2px;background:#fff;border-radius:2px;}
.drawer-close span:first-child{transform:rotate(45deg);}
.drawer-close span:last-child{transform:rotate(-45deg);}
.mk-drawer .offcanvas-body{padding:22px;display:flex;flex-direction:column;gap:22px;}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{padding:14px 0;font-size:17px;font-weight:700;color:var(--dark-text);border-bottom:1px solid rgba(255,255,255,.1);}
.drawer-nav a.active{color:var(--lime);}
.drawer-note{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:16px;font-size:13px;color:var(--dark-muted);line-height:1.7;}
.drawer-note b{display:block;color:#fff;font-size:15px;margin-bottom:6px;}

/* ============ 页头 ============ */
.page-hero{position:relative;background:var(--ink) url('/assets/images/backpic/back-1.webp') center/cover no-repeat;color:var(--dark-text);padding:72px 0 64px;overflow:hidden;}
.page-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(14,26,22,.95) 0%,rgba(14,26,22,.82) 46%,rgba(14,26,22,.62) 100%);}
.page-hero::after{content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(255,95,46,.3),transparent 68%);}
.page-hero .container{position:relative;z-index:1;}
.breadcrumb-mk{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--dark-muted);margin-bottom:22px;flex-wrap:wrap;}
.breadcrumb-mk a{color:var(--dark-muted);}
.breadcrumb-mk a:hover{color:var(--lime);}
.breadcrumb-mk .sep{opacity:.5;}
.breadcrumb-mk .current{color:#fff;font-weight:600;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px;}
.pill{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:5px 13px;font-size:12.5px;font-weight:700;letter-spacing:.04em;border:1px solid transparent;}
.pill-orange{background:rgba(255,95,46,.16);color:#FFB49B;border-color:rgba(255,95,46,.45);}
.pill-lime{background:rgba(184,240,56,.14);color:var(--lime);border-color:rgba(184,240,56,.38);}
.pill-mint{background:rgba(53,214,168,.14);color:#8FEFD4;border-color:rgba(53,214,168,.38);}
.pill-sand{background:rgba(233,223,199,.14);color:var(--sand);border-color:rgba(233,223,199,.35);}
.page-hero h1{font-size:clamp(28px,4vw,46px);font-weight:900;line-height:1.15;letter-spacing:-.02em;color:#fff;max-width:900px;}
.page-hero .hero-lead{margin-top:20px;max-width:760px;font-size:16.5px;line-height:1.85;color:#C9D6CE;}
.hero-metrics{display:flex;flex-wrap:wrap;gap:14px 40px;margin-top:34px;padding-top:26px;border-top:1px solid rgba(255,255,255,.14);}
.hero-metrics .hm-item{min-width:130px;}
.hero-metrics .hm-num{font-size:30px;font-weight:900;color:var(--lime);font-variant-numeric:tabular-nums;line-height:1.1;}
.hero-metrics .hm-label{font-size:13px;color:var(--dark-muted);margin-top:2px;}

/* ============ 锚点导航 ============ */
.anchor-bar{position:sticky;top:72px;z-index:1020;background:rgba(255,255,255,.97);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);}
.anchor-nav{display:flex;gap:26px;overflow-x:auto;padding:13px 0;scrollbar-width:none;}
.anchor-nav::-webkit-scrollbar{display:none;}
.anchor-nav a{font-size:14px;font-weight:700;color:var(--muted);white-space:nowrap;padding-bottom:2px;border-bottom:2px solid transparent;}
.anchor-nav a:hover{color:var(--ink);border-color:var(--accent);}

/* ============ 通用区块标题 ============ */
.sec-head{max-width:760px;margin-bottom:48px;}
.eyebrow{display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:.14em;color:var(--accent);margin-bottom:12px;}
.sec-head h2{font-size:clamp(24px,3vw,32px);font-weight:800;}
.sec-head p{margin-top:14px;color:var(--muted);font-size:16px;line-height:1.85;}
.section.dark .eyebrow{color:var(--lime);}
.section.dark .sec-head p{color:var(--dark-muted);}

/* ============ 场景卡 ============ */
.scene-track{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.scene-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;display:flex;flex-direction:column;}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,95,46,.35);}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--ink);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.scene-card:hover .card-media img{transform:scale(1.04);}
.card-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,26,22,0) 40%,rgba(14,26,22,.55) 100%);}
.media-num{position:absolute;left:16px;top:14px;z-index:1;font-size:13px;font-weight:900;letter-spacing:.1em;color:var(--lime);}
.card-body{padding:22px 22px 26px;display:flex;flex-direction:column;gap:12px;flex:1;}
.tag{display:inline-flex;align-items:center;align-self:flex-start;font-size:12px;font-weight:800;letter-spacing:.06em;padding:4px 11px;border-radius:999px;background:rgba(255,95,46,.12);color:#C63F14;}
.tag.mint{background:rgba(53,214,168,.14);color:#127A5C;}
.tag.lime{background:rgba(184,240,56,.2);color:#4A6A06;}
.tag.sand{background:rgba(233,223,199,.6);color:#7A6A42;}
.scene-card h3{font-size:19px;font-weight:800;}
.scene-card .card-desc{color:var(--muted);font-size:14.5px;line-height:1.8;}
.dot-list{display:flex;flex-direction:column;gap:8px;margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);}
.dot-list li{position:relative;padding-left:16px;font-size:14px;color:var(--text);line-height:1.7;}
.dot-list li::before{content:"";position:absolute;left:0;top:10px;width:5px;height:5px;border-radius:50%;background:var(--accent);}
.dot-list.mint li::before{background:var(--mint);}

/* ============ 时间轴 ============ */
.timeline{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding-top:6px;}
.timeline::before{content:"";position:absolute;left:20px;right:20px;top:30px;height:2px;background:repeating-linear-gradient(90deg,rgba(255,255,255,.28) 0 10px,transparent 10px 20px);}
.tl-step{position:relative;}
.tl-dot{width:48px;height:48px;border-radius:50%;background:var(--ink);color:var(--accent);display:flex;align-items:center;justify-content:center;font-weight:900;font-size:17px;position:relative;z-index:1;box-shadow:0 0 0 6px var(--ink);border:2px solid rgba(255,95,46,.5);font-variant-numeric:tabular-nums;}
.tl-body{margin-top:16px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.13);border-radius:16px;padding:20px;transition:background-color .2s ease,border-color .2s ease,transform .2s ease;height:calc(100% - 64px);}
.tl-body:hover{background:rgba(255,255,255,.09);border-color:rgba(255,95,46,.5);transform:translateY(-3px);}
.tl-body h3{font-size:17px;font-weight:800;color:#fff;}
.tl-time{display:block;font-size:12.5px;font-weight:800;letter-spacing:.06em;color:var(--lime);margin-bottom:8px;}
.tl-body p{font-size:14px;color:var(--dark-muted);line-height:1.8;margin-top:8px;}

/* ============ 频道卡 ============ */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.channel-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);padding:24px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;display:flex;flex-direction:column;gap:10px;}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,95,46,.32);}
.channel-top{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.channel-card h3{font-size:18px;font-weight:800;}
.channel-idx{font-size:13px;font-weight:900;color:var(--line);letter-spacing:.1em;}
.channel-card p{font-size:14.5px;color:var(--muted);line-height:1.8;}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:12px;}
.chip{font-size:12px;font-weight:700;color:var(--muted);background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:3px 10px;}
.chip:hover{color:var(--ink);border-color:var(--accent);background:rgba(255,95,46,.08);}

/* ============ 对照表 ============ */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow);}
table.mk-table{min-width:760px;font-size:14.5px;}
table.mk-table thead th{background:#F1F3EE;text-align:left;font-weight:800;color:var(--text);padding:16px 20px;border-bottom:1px solid var(--line);white-space:nowrap;font-size:14px;}
table.mk-table tbody td{padding:16px 20px;border-bottom:1px solid var(--line);color:var(--muted);vertical-align:top;}
table.mk-table tbody tr:last-child td{border-bottom:none;}
table.mk-table tbody tr:hover td{background:#FBFBF8;}
table.mk-table tbody td:first-child{color:var(--text);font-weight:700;white-space:nowrap;}
.table-note{margin-top:14px;font-size:13px;color:var(--muted);}

/* ============ 检查清单 + 提示 ============ */
.check-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:start;}
.check-list{display:flex;flex-direction:column;gap:12px;}
.check-item{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px 20px;box-shadow:var(--shadow);transition:transform .2s ease,border-color .2s ease;}
.check-item:hover{transform:translateX(3px);border-color:rgba(53,214,168,.5);}
.check-mark{flex:0 0 auto;width:22px;height:22px;border-radius:7px;background:rgba(53,214,168,.16);border:1px solid rgba(53,214,168,.5);position:relative;margin-top:2px;}
.check-mark::after{content:"";position:absolute;left:7px;top:3px;width:6px;height:11px;border-right:2px solid #127A5C;border-bottom:2px solid #127A5C;transform:rotate(42deg);}
.check-item b{display:block;font-size:15.5px;font-weight:800;}
.check-item span{font-size:14px;color:var(--muted);line-height:1.75;}
.notice-card{background:linear-gradient(160deg,var(--ink) 0%,var(--ink-soft) 100%);color:var(--dark-text);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow-hover);}
.notice-card h3{color:#fff;font-size:20px;font-weight:800;}
.notice-card p{color:var(--dark-muted);font-size:14.5px;line-height:1.85;margin-top:12px;}
.notice-list{display:flex;flex-direction:column;gap:10px;margin-top:18px;padding-top:18px;border-top:1px solid rgba(255,255,255,.14);}
.notice-list li{position:relative;padding-left:18px;font-size:14px;color:#D6E0D9;}
.notice-list li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:2px;background:var(--accent);}
.notice-card .btn-cta{margin-top:22px;}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);margin-bottom:12px;overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease;}
.faq-item:hover{border-color:rgba(255,95,46,.35);}
.faq-item[open]{box-shadow:var(--shadow);border-color:rgba(255,95,46,.45);}
.faq-item[open]::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--accent);}
.faq-item summary{list-style:none;cursor:pointer;padding:19px 56px 19px 24px;font-size:16.5px;font-weight:800;color:var(--text);position:relative;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"";position:absolute;right:24px;top:50%;width:9px;height:9px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:translateY(-70%) rotate(45deg);transition:transform .22s ease,border-color .22s ease;}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(225deg);border-color:var(--accent);}
.faq-body{padding:0 24px 22px;color:var(--muted);font-size:15px;line-height:1.85;}

/* ============ 底部转化带 ============ */
.cta-band{position:relative;background:var(--ink) url('/assets/images/backpic/back-3.webp') center/cover no-repeat;color:var(--dark-text);overflow:hidden;}
.cta-band::before{content:"";position:absolute;inset:0;background:linear-gradient(110deg,rgba(14,26,22,.96) 0%,rgba(14,26,22,.8) 60%,rgba(14,26,22,.62) 100%);}
.cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.25fr .75fr;gap:36px;align-items:center;padding:76px 0;}
.cta-band h2{color:#fff;font-size:clamp(24px,3vw,34px);font-weight:900;letter-spacing:-.02em;}
.cta-band p{color:#C9D6CE;margin-top:14px;font-size:16px;max-width:620px;line-height:1.85;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.cta-side{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);padding:26px;}
.cta-side h3{color:#fff;font-size:17px;font-weight:800;margin-bottom:14px;}
.cta-side ul{display:flex;flex-direction:column;gap:10px;}
.cta-side li{position:relative;padding-left:18px;font-size:14px;color:#CBD8D0;line-height:1.7;}
.cta-side li::before{content:"";position:absolute;left:0;top:10px;width:5px;height:5px;border-radius:50%;background:var(--lime);}

/* ============ Footer ============ */
.site-footer{background:var(--ink);color:var(--dark-muted);padding:72px 0 28px;font-size:14px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.12);}
.site-footer .logo-text b{color:#fff;}
.site-footer .logo-text small{color:var(--dark-muted);}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.85;color:var(--dark-muted);max-width:340px;}
.footer-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.f-badge{font-size:12px;font-weight:700;color:var(--lime);background:rgba(184,240,56,.1);border:1px solid rgba(184,240,56,.28);border-radius:999px;padding:3px 11px;}
.footer-col h4{font-size:15px;font-weight:800;color:#fff;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{color:var(--dark-muted);font-size:14px;}
.footer-col a:hover{color:var(--lime);}
.footer-dl{display:flex;flex-direction:column;gap:16px;}
.qr-box{display:flex;gap:14px;align-items:center;}
.qr-placeholder{flex:0 0 auto;width:78px;height:78px;border-radius:12px;background:repeating-conic-gradient(rgba(255,255,255,.28) 0 25%,transparent 0 50%) 0 0/13px 13px;border:1px solid rgba(255,255,255,.18);}
.qr-box span{font-size:13px;line-height:1.7;color:var(--dark-muted);}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:24px;font-size:13px;color:var(--dark-muted);}
.fb-links{display:flex;gap:20px;flex-wrap:wrap;}
.fb-links a:hover{color:var(--lime);}

/* ============ 浮动与移动条 ============ */
.back-top{position:fixed;right:24px;bottom:30px;z-index:1040;width:46px;height:46px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--ink);font-size:18px;font-weight:800;box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .25s ease,transform .25s ease,visibility .25s ease,background-color .2s ease;}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.back-top:hover{background:var(--lime);border-color:var(--lime);}
.mobile-download-bar{position:fixed;left:0;right:0;bottom:0;z-index:1045;display:none;align-items:center;justify-content:space-between;gap:14px;background:var(--ink);color:#fff;padding:10px 16px calc(10px + env(safe-area-inset-bottom));border-top:1px solid rgba(255,255,255,.12);opacity:0;visibility:hidden;transform:translateY(100%);transition:opacity .25s ease,transform .25s ease,visibility .25s ease;}
.mobile-download-bar.show{opacity:1;visibility:visible;transform:translateY(0);}
.mdb-text{display:flex;flex-direction:column;line-height:1.35;min-width:0;}
.mdb-text b{font-size:14.5px;font-weight:800;color:#fff;}
.mdb-text span{font-size:12.5px;color:var(--dark-muted);}
.mobile-download-bar .btn-cta{height:40px;padding:0 16px;font-size:14px;flex:0 0 auto;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container{max-width:1000px;}
  :root{--section-space:88px;}
}
@media (max-width:991px){
  .container{max-width:100%;}
  .main-nav,.header-actions{display:none;}
  .nav-toggle{display:flex;}
  .anchor-bar{position:static;}
  .timeline{grid-template-columns:repeat(2,1fr);gap:22px;}
  .timeline::before{display:none;}
  .tl-body{height:auto;}
  .channel-grid{grid-template-columns:repeat(2,1fr);}
  .check-layout{grid-template-columns:1fr;gap:24px;}
  .cta-inner{grid-template-columns:1fr;padding:64px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  :root{--section-space:72px;}
}
@media (max-width:767px){
  .container{padding-left:16px;padding-right:16px;}
  .topbar-inner{padding:0 16px;}
  .page-hero{padding:52px 0 46px;}
  .page-hero .hero-lead{font-size:15.5px;}
  .hero-metrics{gap:16px 28px;margin-top:26px;padding-top:20px;}
  .hero-metrics .hm-num{font-size:24px;}
  .scene-track{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 4px 14px;margin:0 -4px;}
  .scene-track .scene-card{flex:0 0 82vw;scroll-snap-align:start;}
  .channel-grid{grid-template-columns:1fr;}
  .timeline{grid-template-columns:1fr;gap:18px;}
  .tl-step{display:flex;gap:16px;align-items:flex-start;}
  .tl-dot{width:40px;height:40px;font-size:15px;box-shadow:0 0 0 4px var(--ink);}
  .tl-body{margin-top:0;width:100%;}
  .mobile-download-bar{display:flex;}
  .back-top{bottom:84px;right:16px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  :root{--section-space:56px;}
  .sec-head{margin-bottom:32px;}
}
@media (max-width:520px){
  .hero-metrics{gap:14px 20px;}
  .hero-metrics .hm-item{min-width:104px;}
  .cd-label{display:none;}
  .tb-version{display:none;}
  .cta-actions .btn-cta,.cta-actions .btn-accent{width:100%;}
}

/* roulang page: category3 */
:root{
  --mk-ink:#0E1A16;
  --mk-ink-deep:#0A130F;
  --mk-lime:#B8F038;
  --mk-orange:#FF5F2E;
  --mk-mint:#35D6A8;
  --mk-sand:#E9DFC7;
  --mk-bg:#F6F7F3;
  --mk-card:#FFFFFF;
  --mk-line:#E3E7DD;
  --mk-text:#17201C;
  --mk-muted:#5C6A63;
  --mk-dark-text:#F2F6EE;
  --mk-dark-muted:#A9B7AE;
  --mk-accent:var(--mk-mint);
  --mk-accent-soft:rgba(53,214,168,.14);
  --radius-lg:18px;
  --radius-md:14px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow-1:0 8px 24px rgba(14,26,22,.08);
  --shadow-2:0 14px 34px rgba(14,26,22,.14);
  --sec-space:104px;
  --header-h:72px;
  --font-stack:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-stack);
  font-size:16px;
  line-height:1.8;
  color:var(--mk-text);
  background:var(--mk-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease;}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{
  outline:3px solid rgba(53,214,168,.45);
  outline-offset:2px;
  border-radius:6px;
}
h1,h2,h3,h4{margin:0 0 .6em;font-weight:800;letter-spacing:-.02em;line-height:1.2;color:var(--mk-text);}
h1{font-size:44px;font-weight:900;line-height:1.15;}
h2{font-size:32px;}
h3{font-size:21px;font-weight:700;line-height:1.35;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
.container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;width:100%;}
.mk-section{padding:var(--sec-space) 0;}
.mk-section--tight{padding:80px 0;}
.mk-section--dark{background:var(--mk-ink);color:var(--mk-dark-text);}
.mk-section--dark h2,.mk-section--dark h3{color:var(--mk-dark-text);}
.mk-section--dark p{color:var(--mk-dark-muted);}

/* ============ 顶部状态条 ============ */
.top-strip{
  background:var(--mk-ink-deep);
  color:var(--mk-dark-text);
  font-size:13px;
  min-height:36px;
  display:flex;
  align-items:center;
}
.top-strip .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:nowrap;
}
.ts-left{display:flex;align-items:center;gap:10px;min-width:0;}
.ts-badge{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(184,240,56,.14);
  color:var(--mk-lime);
  border:1px solid rgba(184,240,56,.32);
  border-radius:var(--radius-pill);
  padding:2px 10px;
  font-size:12px;font-weight:700;letter-spacing:.04em;
  white-space:nowrap;
}
.ts-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--mk-lime);display:inline-block;}
.ts-version{color:var(--mk-dark-muted);white-space:nowrap;font-size:12px;}
.ts-right{display:flex;align-items:center;gap:8px;white-space:nowrap;}
.ts-right .cd-label{color:var(--mk-dark-muted);font-size:12px;}
.countdown{display:flex;align-items:center;gap:4px;}
.countdown span{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:26px;height:22px;padding:0 4px;
  background:rgba(255,95,46,.16);
  border:1px solid rgba(255,95,46,.36);
  border-radius:6px;
  color:#FFB39C;
  font-size:12px;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.countdown i{color:var(--mk-orange);font-style:normal;font-size:11px;}

/* ============ Header ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(246,247,243,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--mk-line);
  height:var(--header-h);
  display:flex;align-items:center;
}
.header-inner{display:flex;align-items:center;gap:28px;width:100%;}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(120deg,var(--mk-lime),var(--mk-mint));
  position:relative;flex:0 0 34px;
}
.logo-mark::before{
  content:"";position:absolute;inset:8px 7px;
  border-left:3px solid var(--mk-ink);
  border-bottom:3px solid var(--mk-ink);
  transform:skewX(-14deg);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text b{font-size:16px;font-weight:900;letter-spacing:-.01em;color:var(--mk-ink);}
.logo-text small{font-size:10px;font-weight:700;letter-spacing:.16em;color:var(--mk-muted);}
.main-nav{display:flex;align-items:center;gap:28px;margin-left:8px;}
.main-nav a{
  position:relative;
  font-size:15px;font-weight:600;color:var(--mk-text);
  padding:6px 0;
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;
  height:2px;background:var(--mk-accent);
  transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease;
}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.active{color:var(--mk-ink);}
.main-nav a.active::after{transform:scaleX(1);}
.main-nav a.active::before{
  content:"";position:absolute;left:-12px;top:50%;
  width:6px;height:6px;border-radius:50%;
  background:var(--mk-accent);transform:translateY(-50%);
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.btn-outline-mk{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:0 20px;
  border:1px solid var(--mk-ink);
  border-radius:var(--radius-pill);
  background:transparent;color:var(--mk-ink);
  font-size:15px;font-weight:700;
  transition:background-color .18s ease,color .18s ease,transform .18s ease,border-color .18s ease;
}
.btn-outline-mk:hover{background:var(--mk-ink);color:var(--mk-lime);transform:translateY(-2px);}
.btn-primary-mk{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:0 22px;
  border:1px solid transparent;
  border-radius:var(--radius-pill);
  background:var(--mk-lime);color:var(--mk-ink);
  font-size:15px;font-weight:800;
  box-shadow:0 6px 18px rgba(184,240,56,.34);
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease;
}
.btn-primary-mk:hover{filter:brightness(1.05);transform:translateY(-2px);box-shadow:var(--shadow-2);color:var(--mk-ink);}
.btn-primary-mk:active{transform:translateY(0);}
.btn-ghost-dark{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:0 20px;
  border:1px solid rgba(255,255,255,.35);
  border-radius:var(--radius-pill);
  color:var(--mk-dark-text);background:transparent;
  font-size:15px;font-weight:700;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.btn-ghost-dark:hover{background:rgba(255,255,255,.1);border-color:var(--mk-lime);color:var(--mk-lime);transform:translateY(-2px);}
.burger{
  display:none;width:44px;height:44px;border:1px solid var(--mk-line);
  border-radius:12px;background:#fff;position:relative;
}
.burger span{
  position:absolute;left:12px;right:12px;height:2px;background:var(--mk-ink);border-radius:2px;
  transition:transform .22s ease,opacity .22s ease;
}
.burger span:nth-child(1){top:16px;}
.burger span:nth-child(2){top:25px;left:12px;right:18px;}

/* ============ 抽屉 ============ */
.mk-drawer{background:var(--mk-ink);color:var(--mk-dark-text);width:320px;}
.mk-drawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.12);padding:18px 20px;}
.mk-drawer .offcanvas-body{padding:20px;}
.mk-drawer .logo-text b{color:var(--mk-dark-text);}
.mk-drawer .logo-text small{color:var(--mk-dark-muted);}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:22px;}
.drawer-nav a{
  padding:12px 14px;border-radius:12px;font-size:16px;font-weight:600;
  color:var(--mk-dark-text);
}
.drawer-nav a:hover{background:rgba(255,255,255,.07);color:var(--mk-lime);}
.drawer-nav a.active{background:rgba(53,214,168,.16);color:var(--mk-mint);}
.drawer-cd{
  border:1px solid rgba(255,255,255,.14);border-radius:14px;padding:14px;margin-bottom:20px;
}
.drawer-cd p{margin:0 0 8px;font-size:13px;color:var(--mk-dark-muted);}
.drawer-cta{width:100%;}

/* ============ 页头 ============ */
.page-hero{
  position:relative;color:var(--mk-dark-text);
  background-color:var(--mk-ink);
  background-image:linear-gradient(105deg,rgba(10,19,15,.94) 0%,rgba(14,26,22,.86) 52%,rgba(14,26,22,.62) 100%),
    url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
  padding:84px 0 72px;
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;right:-60px;bottom:-80px;width:320px;height:320px;
  background-image:radial-gradient(rgba(53,214,168,.5) 1.4px,transparent 1.4px);
  background-size:16px 16px;opacity:.5;pointer-events:none;
}
.page-hero h1{color:var(--mk-dark-text);max-width:820px;font-size:42px;}
.page-hero h1 em{font-style:normal;color:var(--mk-mint);}
.page-hero .lead{max-width:720px;color:#C9D6CE;font-size:17px;margin-bottom:24px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px;}
.h-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:var(--radius-pill);
  font-size:12px;font-weight:700;letter-spacing:.05em;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.18);
  color:#DDE7E1;
}
.h-badge.mint{background:var(--mk-accent-soft);border-color:rgba(53,214,168,.42);color:var(--mk-mint);}
.h-badge.orange{background:rgba(255,95,46,.14);border-color:rgba(255,95,46,.4);color:#FFA184;}
.breadcrumb-mk{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--mk-dark-muted);}
.breadcrumb-mk a:hover{color:var(--mk-mint);}
.breadcrumb-mk .sep{opacity:.5;}
.breadcrumb-mk .current{color:#DDE7E1;}

/* ============ 锚点导航 ============ */
.anchor-bar{
  position:sticky;top:var(--header-h);z-index:1020;
  background:#FFFFFF;border-bottom:1px solid var(--mk-line);
  box-shadow:0 4px 14px rgba(14,26,22,.04);
}
.anchor-inner{display:flex;align-items:center;gap:8px;overflow-x:auto;padding:10px 0;scrollbar-width:none;}
.anchor-inner::-webkit-scrollbar{display:none;}
.anchor-inner a{
  white-space:nowrap;font-size:14px;font-weight:700;color:var(--mk-muted);
  padding:8px 14px;border-radius:var(--radius-pill);border:1px solid transparent;
}
.anchor-inner a:hover{color:var(--mk-ink);background:var(--mk-bg);border-color:var(--mk-line);}

/* ============ 通用标题组 ============ */
.sec-head{max-width:720px;margin-bottom:44px;}
.sec-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:800;letter-spacing:.12em;
  color:var(--mk-mint);text-transform:uppercase;margin-bottom:12px;
}
.sec-eyebrow::before{content:"";width:22px;height:2px;background:var(--mk-mint);display:inline-block;}
.sec-head p{color:var(--mk-muted);font-size:16px;margin:0;}
.mk-section--dark .sec-eyebrow{color:var(--mk-mint);}
.mk-section--dark .sec-head p{color:var(--mk-dark-muted);}
.h2-bar{position:relative;padding-left:16px;}
.h2-bar::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  background:var(--mk-accent);border-radius:2px;
}

/* ============ 步骤条 ============ */
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;}
.step-card{
  background:var(--mk-card);border:1px solid var(--mk-line);border-radius:var(--radius-lg);
  padding:26px 22px 24px;position:relative;box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(53,214,168,.55);}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:14px;
  background:var(--mk-accent-soft);color:#158F70;
  font-size:17px;font-weight:900;font-variant-numeric:tabular-nums;
  margin-bottom:16px;
}
.step-card h3{font-size:18px;margin-bottom:8px;}
.step-card p{font-size:14.5px;color:var(--mk-muted);margin-bottom:14px;}
.step-list li{
  position:relative;padding-left:18px;font-size:14px;color:var(--mk-muted);
  margin-bottom:6px;line-height:1.7;
}
.step-list li::before{
  content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:2px;
  background:var(--mk-mint);
}
.step-line{
  position:absolute;top:44px;left:-12px;right:-12px;height:2px;
  background:linear-gradient(90deg,rgba(53,214,168,.5),rgba(53,214,168,.1));
  z-index:0;display:none;
}

/* ============ 表格 ============ */
.table-wrap{
  background:var(--mk-card);border:1px solid var(--mk-line);border-radius:var(--radius-lg);
  overflow-x:auto;box-shadow:var(--shadow-1);
}
table.mk-table{width:100%;border-collapse:collapse;min-width:760px;font-size:14.5px;}
table.mk-table thead th{
  background:#EFF4EE;color:var(--mk-ink);font-weight:800;font-size:13px;
  letter-spacing:.04em;text-align:left;padding:14px 18px;border-bottom:1px solid var(--mk-line);
  white-space:nowrap;
}
table.mk-table td{padding:16px 18px;border-bottom:1px solid var(--mk-line);color:var(--mk-muted);vertical-align:top;}
table.mk-table tbody tr:last-child td{border-bottom:none;}
table.mk-table tbody tr:hover td{background:rgba(53,214,168,.06);}
table.mk-table td strong{color:var(--mk-ink);font-weight:800;}
.tag-mk{
  display:inline-flex;align-items:center;padding:3px 10px;border-radius:var(--radius-pill);
  font-size:12px;font-weight:700;letter-spacing:.03em;
  background:var(--mk-accent-soft);color:#158F70;white-space:nowrap;
}
.tag-mk.sand{background:rgba(233,223,199,.55);color:#7A6634;}
.tag-mk.orange{background:rgba(255,95,46,.13);color:#C33F17;}
.table-note{
  margin-top:14px;font-size:13px;color:var(--mk-muted);
  display:flex;align-items:flex-start;gap:8px;
}
.table-note::before{content:"※";color:var(--mk-mint);font-weight:900;}

/* ============ 设备要求 ============ */
.device-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.device-figure{
  border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-2);
  border:1px solid var(--mk-line);position:relative;background:#fff;
}
.device-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.device-figure .fig-cap{
  position:absolute;left:16px;bottom:16px;
  background:rgba(14,26,22,.86);color:#E9F2EC;
  font-size:12.5px;font-weight:600;padding:7px 14px;border-radius:var(--radius-pill);
  border:1px solid rgba(53,214,168,.35);
}
.req-list{display:grid;gap:14px;margin-top:22px;}
.req-item{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--mk-card);border:1px solid var(--mk-line);border-radius:var(--radius-md);
  padding:16px 18px;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.req-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(53,214,168,.5);}
.req-item .ri-icon{
  flex:0 0 36px;width:36px;height:36px;border-radius:11px;
  background:var(--mk-accent-soft);color:#158F70;
  display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:900;
}
.req-item h4{font-size:16px;font-weight:800;margin:0 0 2px;}
.req-item p{margin:0;font-size:14px;color:var(--mk-muted);}

/* ============ 安装前检查 ============ */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px 28px;}
.check-item{
  display:flex;gap:12px;align-items:flex-start;
  padding:18px 20px;border-radius:var(--radius-md);
  background:var(--mk-card);border:1px solid var(--mk-line);
}
.check-item .ck{
  flex:0 0 24px;width:24px;height:24px;border-radius:8px;
  background:var(--mk-mint);color:#08301F;font-size:13px;font-weight:900;
  display:flex;align-items:center;justify-content:center;margin-top:2px;
}
.check-item h4{font-size:15.5px;font-weight:800;margin:0 0 4px;}
.check-item p{margin:0;font-size:14px;color:var(--mk-muted);line-height:1.7;}

/* ============ 排查卡 ============ */
.trouble-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.trouble-card{
  background:var(--mk-card);border:1px solid var(--mk-line);border-radius:var(--radius-lg);
  padding:24px 22px;box-shadow:var(--shadow-1);
  border-top:3px solid var(--mk-orange);
  transition:transform .22s ease,box-shadow .22s ease;
}
.trouble-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.trouble-card h3{font-size:17px;margin-bottom:10px;}
.trouble-card p{font-size:14.5px;color:var(--mk-muted);margin:0;}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto;display:grid;gap:12px;}
.faq-item{
  background:var(--mk-card);border:1px solid var(--mk-line);border-radius:var(--radius-md);
  overflow:hidden;position:relative;transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item[open]{border-color:rgba(53,214,168,.5);box-shadow:var(--shadow-1);}
.faq-item[open]::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--mk-accent);
}
.faq-item summary{
  cursor:pointer;list-style:none;
  padding:18px 52px 18px 22px;font-size:16.5px;font-weight:700;color:var(--mk-ink);
  position:relative;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";position:absolute;right:22px;top:26px;
  width:9px;height:9px;border-right:2px solid var(--mk-mint);border-bottom:2px solid var(--mk-mint);
  transform:rotate(45deg);transition:transform .22s ease;
}
.faq-item[open] summary::after{transform:rotate(-135deg);}
.faq-item .faq-body{padding:0 22px 20px;font-size:15px;color:var(--mk-muted);line-height:1.85;}

/* ============ 转化卡 ============ */
.cta-band{
  background:var(--mk-ink);color:var(--mk-dark-text);
  border-radius:24px;padding:52px 48px;
  display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-40px;top:-40px;width:260px;height:260px;
  background-image:radial-gradient(rgba(184,240,56,.4) 1.4px,transparent 1.4px);
  background-size:15px 15px;opacity:.45;
}
.cta-band h2{color:var(--mk-dark-text);font-size:30px;margin-bottom:12px;}
.cta-band p{color:var(--mk-dark-muted);margin:0;font-size:15.5px;max-width:540px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;justify-content:flex-end;position:relative;z-index:1;}

/* ============ 页脚 ============ */
.site-footer{background:var(--mk-ink);color:var(--mk-dark-text);padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand .logo-text b{color:var(--mk-dark-text);}
.footer-brand .logo-text small{color:var(--mk-dark-muted);}
.footer-brand p{color:var(--mk-dark-muted);font-size:14.5px;max-width:340px;}
.footer-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.f-badge{
  font-size:12px;font-weight:700;padding:4px 12px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);color:#C9D6CE;
}
.footer-col h4{font-size:15px;font-weight:800;color:var(--mk-dark-text);margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col ul a{font-size:14.5px;color:var(--mk-dark-muted);}
.footer-col ul a:hover{color:var(--mk-lime);}
.footer-dl{display:flex;flex-direction:column;gap:16px;}
.qr-box{display:flex;gap:14px;align-items:center;}
.qr-placeholder{
  flex:0 0 76px;width:76px;height:76px;border-radius:12px;
  background:
    repeating-linear-gradient(90deg,rgba(255,255,255,.22) 0 6px,transparent 6px 12px),
    repeating-linear-gradient(0deg,rgba(255,255,255,.22) 0 6px,transparent 6px 12px),
    rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.16);
}
.qr-box span{font-size:13.5px;color:var(--mk-dark-muted);line-height:1.7;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--mk-dark-muted);
}
.fb-links{display:flex;gap:18px;flex-wrap:wrap;}
.fb-links a:hover{color:var(--mk-lime);}

/* ============ 浮动按钮 / 移动条 ============ */
.to-top{
  position:fixed;right:24px;bottom:28px;width:48px;height:48px;border-radius:50%;
  background:var(--mk-ink);color:var(--mk-lime);border:1px solid rgba(184,240,56,.35);
  display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:800;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
  z-index:1040;cursor:pointer;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--mk-ink-deep);}
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:1035;
  background:var(--mk-ink);color:var(--mk-dark-text);
  display:none;align-items:center;gap:12px;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  border-top:1px solid rgba(255,255,255,.12);
  transform:translateY(110%);transition:transform .3s ease;
}
.mobile-bar.show{transform:translateY(0);}
.mobile-bar .mb-text{font-size:13px;line-height:1.4;color:var(--mk-dark-muted);}
.mobile-bar .mb-text b{display:block;color:var(--mk-dark-text);font-size:14px;}
.mobile-bar .btn-primary-mk{margin-left:auto;min-height:44px;padding:0 18px;font-size:14px;flex:0 0 auto;}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  :root{--sec-space:88px;}
  h1{font-size:38px;}
  .page-hero h1{font-size:36px;}
  .h2-bar{font-size:28px;}
  .steps-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
  .footer-col:last-child{grid-column:1/-1;}
  .footer-dl{flex-direction:row;align-items:center;justify-content:space-between;flex-wrap:wrap;}
}
@media (max-width:991.98px){
  :root{--sec-space:72px;--header-h:64px;}
  .main-nav{display:none;}
  .header-actions .btn-outline-mk{display:none;}
  .burger{display:block;}
  .device-layout{grid-template-columns:1fr;gap:32px;}
  .device-figure{order:-1;}
  .trouble-grid{grid-template-columns:1fr 1fr;}
  .cta-band{grid-template-columns:1fr;padding:40px 30px;}
  .cta-actions{justify-content:flex-start;}
  .anchor-bar{top:var(--header-h);}
}
@media (max-width:767.98px){
  :root{--sec-space:56px;}
  .container{padding-left:16px;padding-right:16px;}
  body{font-size:15.5px;}
  h1{font-size:29px;}
  h2{font-size:24px;}
  .page-hero{padding:56px 0 48px;}
  .page-hero h1{font-size:28px;}
  .page-hero .lead{font-size:15.5px;}
  .ts-version{display:none;}
  .countdown span{min-width:24px;height:20px;font-size:11px;}
  .steps-grid{grid-template-columns:1fr;}
  .check-grid{grid-template-columns:1fr;}
  .trouble-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-brand{grid-column:1/-1;}
  .table-wrap{border-radius:var(--radius-md);}
  .cta-band{padding:32px 22px;border-radius:18px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-primary-mk,.cta-actions .btn-ghost-dark{flex:1 1 auto;}
  .mobile-bar{display:flex;}
  .to-top{bottom:84px;right:16px;width:44px;height:44px;}
  .sec-head{margin-bottom:30px;}
}
@media (max-width:519.98px){
  .footer-grid{grid-template-columns:1fr;}
  .hero-badges{gap:8px;}
  .anchor-inner a{font-size:13px;padding:7px 12px;}
}

/* roulang page: category4 */
:root{
  --ink:#0E1A16;
  --ink-2:#16261F;
  --lime:#B8F038;
  --orange:#FF5F2E;
  --mint:#35D6A8;
  --sand:#E9DFC7;
  --sand-mid:#DCC79A;
  --sand-deep:#B5893F;
  --bg:#F6F7F3;
  --card:#FFFFFF;
  --line:#E3E7DD;
  --text:#17201C;
  --muted:#5C6A63;
  --dark-text:#F2F6EE;
  --dark-muted:#A9B7AE;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:10px;
  --r-pill:999px;
  --sh:0 8px 24px rgba(14,26,22,.08);
  --sh-hover:0 14px 34px rgba(14,26,22,.14);
  --t:220ms cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.8;color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.2;letter-spacing:-.02em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
[id]{scroll-margin-top:132px}
::selection{background:rgba(184,240,56,.35)}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid rgba(184,240,56,.55);outline-offset:2px;border-radius:8px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media(max-width:991px){.container{padding:0 20px}}
@media(max-width:767px){.container{padding:0 16px}}

/* ---------- 顶部状态条 ---------- */
.topbar{background:var(--ink);color:var(--dark-muted);font-size:13px;height:38px;display:flex;align-items:center}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px}
.tb-left{display:flex;align-items:center;gap:10px;min-width:0}
.tb-badge{display:inline-flex;align-items:center;gap:6px;background:rgba(184,240,56,.14);color:var(--lime);border:1px solid rgba(184,240,56,.32);border-radius:var(--r-pill);padding:2px 10px;font-weight:700;letter-spacing:.06em;white-space:nowrap}
.tb-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime)}
.tb-ver{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tb-ver b{color:var(--dark-text);font-weight:600}
.countdown{display:flex;align-items:center;gap:8px;white-space:nowrap}
.cd-title{color:var(--dark-muted)}
.cd-cell{display:inline-flex;align-items:baseline;gap:2px;background:rgba(255,255,255,.08);border-radius:8px;padding:2px 8px;color:var(--dark-text);font-variant-numeric:tabular-nums}
.cd-cell b{font-weight:800;color:var(--lime)}
.cd-cell i{font-style:normal;font-size:11px;color:var(--dark-muted)}
@media(max-width:767px){
  .tb-ver{display:none}
  .cd-title{display:none}
  .topbar{height:36px;font-size:12px}
}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(246,247,243,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;gap:24px;height:72px}
.logo{display:inline-flex;align-items:center;gap:12px}
.logo-mark{position:relative;width:36px;height:36px;border-radius:11px;background:linear-gradient(135deg,var(--lime),var(--mint));flex:0 0 auto;box-shadow:0 6px 16px rgba(184,240,56,.28)}
.logo-mark::before,.logo-mark::after{content:"";position:absolute;left:9px;width:18px;height:4px;border-radius:2px;background:#0E1A16;transform:rotate(-32deg)}
.logo-mark::before{top:13px}
.logo-mark::after{top:21px;left:13px;width:14px;opacity:.7}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text b{font-size:16px;font-weight:800;letter-spacing:-.01em}
.logo-text small{font-size:10px;letter-spacing:.2em;color:var(--muted)}
.main-nav{display:flex;align-items:center;gap:28px;margin-left:8px}
.main-nav a{position:relative;font-size:15px;font-weight:600;color:var(--text);padding:6px 0;transition:color var(--t)}
.main-nav a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform var(--t)}
.main-nav a:hover{color:var(--ink)}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.active{color:var(--ink)}
.main-nav a.active::after{transform:scaleX(1)}
.main-nav a.active::before{content:"";position:absolute;left:-12px;top:50%;width:6px;height:6px;margin-top:-3px;border-radius:50%;background:var(--sand-deep)}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.burger{display:none;flex-direction:column;justify-content:center;align-items:center;gap:5px;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;cursor:pointer;transition:box-shadow var(--t),border-color var(--t)}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text)}
.burger:hover{border-color:var(--sand-mid);box-shadow:var(--sh)}
@media(max-width:991px){
  .main-nav{display:none}
  .nav-actions .btn-ghost-mk{display:none}
  .burger{display:flex}
}
@media(max-width:575px){
  .nav-actions{display:none}
  .header-inner{height:64px;gap:12px}
  .logo-text b{font-size:15px}
}

/* ---------- 按钮 ---------- */
.btn-primary-mk{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--lime);color:#0E1A16;font-weight:700;font-size:15px;border:1px solid var(--lime);border-radius:var(--r-pill);padding:12px 24px;min-height:44px;cursor:pointer;transition:transform var(--t),box-shadow var(--t),filter var(--t)}
.btn-primary-mk:hover{filter:brightness(1.05);transform:translateY(-2px);box-shadow:0 12px 26px rgba(184,240,56,.3);color:#0E1A16}
.btn-primary-mk:active{transform:translateY(1px)}
.btn-ghost-mk{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:transparent;border:1px solid var(--line);color:var(--text);border-radius:var(--r-pill);padding:12px 22px;min-height:44px;font-weight:600;font-size:15px;cursor:pointer;transition:border-color var(--t),background var(--t),box-shadow var(--t),transform var(--t)}
.btn-ghost-mk:hover{border-color:var(--sand-deep);background:#fff;box-shadow:var(--sh);transform:translateY(-2px)}
.btn-ghost-light{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid rgba(242,246,238,.36);color:var(--dark-text);border-radius:var(--r-pill);padding:12px 22px;min-height:44px;font-weight:600;font-size:15px;background:transparent;transition:border-color var(--t),color var(--t),background var(--t),transform var(--t)}
.btn-ghost-light:hover{border-color:var(--lime);color:var(--lime);background:rgba(184,240,56,.07);transform:translateY(-2px)}
.btn-sand{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--sand);color:#5E4413;border:1px solid var(--sand-mid);border-radius:var(--r-pill);padding:12px 24px;min-height:44px;font-weight:700;font-size:15px;cursor:pointer;transition:transform var(--t),box-shadow var(--t),background var(--t)}
.btn-sand:hover{background:#F2EAD8;transform:translateY(-2px);box-shadow:0 12px 26px rgba(181,137,63,.24)}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;color:var(--dark-text);overflow:hidden;
  background-color:var(--ink);
  background-image:
    linear-gradient(112deg,rgba(14,26,22,.96) 0%,rgba(14,26,22,.86) 46%,rgba(22,38,31,.62) 100%),
    url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
}
.page-hero::after{content:"";position:absolute;right:-80px;bottom:-120px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(184,240,56,.16),transparent 68%);pointer-events:none}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--dark-muted);padding-top:26px}
.crumbs a{color:var(--dark-muted);transition:color var(--t)}
.crumbs a:hover{color:var(--lime)}
.crumbs .cur{color:var(--dark-text)}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:56px;align-items:center;padding:44px 0 78px;position:relative;z-index:1}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px}
.badge-solid{display:inline-flex;align-items:center;gap:6px;background:var(--lime);color:#0E1A16;font-size:12px;font-weight:800;letter-spacing:.08em;border-radius:var(--r-pill);padding:5px 12px}
.badge-line{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--dark-text);border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.05);border-radius:var(--r-pill);padding:5px 12px}
.badge-line.sand{border-color:rgba(233,223,199,.55);color:var(--sand)}
.page-hero h1{font-size:44px;font-weight:900;line-height:1.16;letter-spacing:-.02em;margin-bottom:18px}
.page-hero h1 em{font-style:normal;color:var(--lime)}
.hero-lead{font-size:18px;color:var(--dark-text);margin-bottom:12px;font-weight:600}
.hero-sub{font-size:15px;color:var(--dark-muted);max-width:560px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin:30px 0 34px}
.hero-facts{display:flex;flex-wrap:wrap;gap:36px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12)}
.hero-facts b{display:block;font-size:38px;font-weight:900;color:var(--lime);line-height:1.1;font-variant-numeric:tabular-nums}
.hero-facts span{font-size:13px;color:var(--dark-muted)}
.hero-media{border-radius:22px;overflow:hidden;border:1px solid rgba(255,255,255,.14);box-shadow:0 24px 60px rgba(0,0,0,.35);background:var(--ink-2)}
.hero-media img{width:100%;aspect-ratio:5/4;object-fit:cover}
@media(max-width:991px){
  .hero-grid{grid-template-columns:1fr;gap:34px;padding:32px 0 58px}
  .page-hero h1{font-size:33px}
  .hero-facts{gap:24px}
  .hero-facts b{font-size:30px}
}
@media(max-width:575px){
  .page-hero h1{font-size:29px}
  .hero-lead{font-size:16px}
  .hero-cta .btn-primary-mk,.hero-cta .btn-ghost-light{width:100%}
}

/* ---------- 锚点导航 ---------- */
.anchor-nav{position:sticky;top:72px;z-index:1020;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 6px 18px rgba(14,26,22,.04)}
.anchor-nav ul{display:flex;gap:8px;overflow-x:auto;padding:10px 0;scrollbar-width:none}
.anchor-nav ul::-webkit-scrollbar{display:none}
.anchor-nav a{display:inline-block;padding:8px 16px;border-radius:var(--r-pill);font-size:14px;font-weight:600;color:var(--muted);white-space:nowrap;transition:background var(--t),color var(--t)}
.anchor-nav a:hover{background:#F1F3EC;color:var(--text)}
.anchor-nav a.on{background:var(--sand);color:#5E4413}
@media(max-width:575px){.anchor-nav{top:64px}}

/* ---------- 通用板块 ---------- */
.sec{padding:96px 0}
.sec--plain{background:var(--bg)}
.sec--white{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec--sand{background:#FBF6EC}
.sec--dark{background:var(--ink);color:var(--dark-text)}
.section-head{max-width:760px;margin-bottom:46px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:800;letter-spacing:.16em;color:var(--sand-deep);margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--sand-deep);border-radius:2px}
.section-head h2{font-size:32px;margin-bottom:14px}
.section-head p{color:var(--muted)}
.sec--dark .section-head h2{color:#fff}
.sec--dark .section-head p{color:var(--dark-muted)}
.sec--dark .eyebrow{color:var(--lime)}
.sec--dark .eyebrow::before{background:var(--lime)}
@media(max-width:991px){.sec{padding:72px 0}.section-head h2{font-size:27px}}
@media(max-width:575px){.sec{padding:56px 0}.section-head h2{font-size:23px}.section-head{margin-bottom:32px}}

/* ---------- 图文分栏 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.check-list{display:grid;gap:14px;margin-top:26px}
.check-item{display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:18px 20px;transition:transform var(--t),box-shadow var(--t),border-color var(--t)}
.check-item:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:var(--sand-mid)}
.check-num{flex:0 0 auto;width:40px;height:40px;border-radius:12px;background:var(--sand);color:#6B4E15;display:flex;align-items:center;justify-content:center;font-weight:800;font-variant-numeric:tabular-nums}
.check-item h3{font-size:17px;margin-bottom:6px}
.check-item p{font-size:15px;color:var(--muted)}
.media-frame{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh);background:#fff}
.media-frame img{width:100%;aspect-ratio:4/3;object-fit:cover}
.media-cap{font-size:13px;color:var(--muted);padding:12px 18px;border-top:1px solid var(--line)}
@media(max-width:991px){.split{grid-template-columns:1fr;gap:34px}}

/* ---------- 卡片组 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.tip-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;transition:transform var(--t),box-shadow var(--t),border-color var(--t)}
.tip-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:var(--sand-mid)}
.tip-icon{width:46px;height:46px;border-radius:13px;background:linear-gradient(135deg,var(--sand),#F5EEDD);display:flex;align-items:center;justify-content:center;font-weight:900;color:#7A5A1E;margin-bottom:18px;font-size:15px}
.tip-card h3{font-size:18px;margin-bottom:10px}
.tip-card p{color:var(--muted);font-size:15px}
.tip-card ul{margin-top:14px;display:grid;gap:9px}
.tip-card li{position:relative;padding-left:16px;font-size:14px;color:var(--muted)}
.tip-card li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:2px;background:var(--sand-deep)}
@media(max-width:991px){.card-grid{grid-template-columns:1fr 1fr}}
@media(max-width:575px){.card-grid{grid-template-columns:1fr}}

/* ---------- 流程步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px 22px;transition:transform var(--t),box-shadow var(--t)}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.step-num{font-size:34px;font-weight:900;color:var(--sand-deep);line-height:1;margin-bottom:14px;font-variant-numeric:tabular-nums}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14px;color:var(--muted)}
@media(max-width:991px){.steps{grid-template-columns:1fr 1fr}}
@media(max-width:575px){.steps{grid-template-columns:1fr}}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;margin:0 auto;display:grid;gap:12px}
.faq-item{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:border-color var(--t),box-shadow var(--t)}
.faq-item summary{list-style:none;cursor:pointer;position:relative;padding:20px 58px 20px 22px;font-weight:700;font-size:17px;line-height:1.5}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"";position:absolute;right:24px;top:50%;width:9px;height:9px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:translateY(-70%) rotate(45deg);transition:transform var(--t),border-color var(--t)}
.faq-item[open]{border-color:var(--sand-mid);box-shadow:var(--sh)}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg);border-color:var(--sand-deep)}
.faq-item[open]::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--sand-deep)}
.faq-item summary:hover{color:#5E4413}
.faq-body{padding:0 26px 24px;color:var(--muted);font-size:15px;line-height:1.9}
.faq-body strong{color:var(--text);font-weight:700}
@media(max-width:575px){.faq-item summary{font-size:16px;padding:18px 50px 18px 18px}.faq-body{padding:0 18px 20px}}

/* ---------- 联系表单 ---------- */
.contact-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:start}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:34px;box-shadow:var(--sh)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:700;margin-bottom:8px}
.field input,.field select,.field textarea{width:100%;background:#FCFDFA;border:1px solid var(--line);border-radius:12px;padding:12px 14px;font-size:15px;transition:border-color var(--t),box-shadow var(--t),background var(--t)}
.field input::placeholder,.field textarea::placeholder{color:#97A29B}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;background:#fff;border-color:var(--sand-deep);box-shadow:0 0 0 3px rgba(181,137,63,.18)}
.field textarea{min-height:132px;resize:vertical}
.form-note{font-size:13px;color:var(--muted);margin-top:14px}
.form-status{display:none;margin-top:16px;font-size:14px;color:#2A6B4F;background:#EDF7F0;border:1px solid #CBE7D5;border-radius:12px;padding:12px 16px}
.form-status.show{display:block}
.side-card{background:var(--ink);color:var(--dark-text);border-radius:var(--r-lg);padding:30px}
.side-card h3{font-size:19px;color:#fff;margin-bottom:16px}
.side-card ul{display:grid;gap:16px}
.side-card li{position:relative;padding-left:18px;font-size:14px;color:var(--dark-muted)}
.side-card li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:2px;background:var(--lime)}
.side-card li b{display:block;color:var(--dark-text);font-size:15px;font-weight:700;margin-bottom:2px}
.side-alert{margin-top:22px;border:1px solid rgba(255,95,46,.45);background:rgba(255,95,46,.1);border-radius:12px;padding:14px 16px;font-size:13px;color:#FFD9CB}
@media(max-width:991px){.contact-grid{grid-template-columns:1fr}}
@media(max-width:575px){.form-card{padding:22px}.form-row{grid-template-columns:1fr}}

/* ---------- 底部转化带 ---------- */
.cta-band{position:relative;overflow:hidden;background:linear-gradient(120deg,#0E1A16 0%,#16261F 100%);border-radius:24px;padding:48px;display:flex;align-items:center;justify-content:space-between;gap:32px;color:var(--dark-text)}
.cta-band::after{content:"";position:absolute;right:-60px;top:-70px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(184,240,56,.18),transparent 70%)}
.cta-band h2{font-size:28px;color:#fff;margin-bottom:12px}
.cta-band p{color:var(--dark-muted);max-width:520px;font-size:15px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:1}
@media(max-width:991px){.cta-band{flex-direction:column;align-items:flex-start;padding:34px}.cta-band h2{font-size:23px}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--dark-muted);margin-top:0}
.site-footer .logo-text b{color:#fff}
.site-footer .logo-text small{color:var(--dark-muted)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding:66px 0 42px}
.footer-brand p{font-size:14px;margin:18px 0;max-width:340px}
.footer-badges{display:flex;flex-wrap:wrap;gap:8px}
.f-badge{font-size:12px;font-weight:700;letter-spacing:.06em;border:1px solid rgba(255,255,255,.18);border-radius:var(--r-pill);padding:4px 11px;color:var(--dark-text)}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;transition:color 150ms}
.footer-col a:hover{color:var(--lime)}
.footer-dl{display:grid;gap:16px}
.qr-box{display:flex;gap:14px;align-items:center;font-size:13px;line-height:1.65}
.qr-placeholder{flex:0 0 auto;width:78px;height:78px;border-radius:12px;border:1px solid rgba(255,255,255,.18);background:repeating-linear-gradient(45deg,rgba(255,255,255,.15) 0 6px,transparent 6px 12px)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;padding:22px 0;border-top:1px solid rgba(255,255,255,.12);font-size:13px}
.fb-links{display:flex;gap:18px}
.fb-links a:hover{color:var(--lime)}
@media(max-width:991px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:52px 0 34px}}
@media(max-width:575px){.footer-grid{grid-template-columns:1fr}.site-footer{padding-bottom:70px}}

/* ---------- 浮动组件 ---------- */
.to-top{position:fixed;right:22px;bottom:24px;z-index:1050;width:46px;height:46px;border-radius:50%;background:var(--ink);color:var(--lime);border:1px solid rgba(184,240,56,.35);display:flex;align-items:center;justify-content:center;cursor:pointer;opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity var(--t),transform var(--t),visibility var(--t),box-shadow var(--t)}
.to-top.show{opacity:1;visibility:visible;transform:none}
.to-top:hover{box-shadow:0 12px 26px rgba(14,26,22,.32)}
.mobile-dl{position:fixed;left:0;right:0;bottom:0;z-index:1045;display:none;align-items:center;justify-content:space-between;gap:12px;background:rgba(14,26,22,.97);border-top:1px solid rgba(184,240,56,.24);padding:10px 16px calc(10px + env(safe-area-inset-bottom));color:var(--dark-text);transform:translateY(110%);transition:transform 260ms ease}
.mobile-dl span{font-size:13px;color:var(--dark-muted)}
.mobile-dl .btn-primary-mk{padding:10px 18px;font-size:14px;min-height:42px}
@media(max-width:767px){.mobile-dl{display:flex}.mobile-dl.show{transform:none}}

/* ---------- 移动端抽屉 ---------- */
.nav-drawer{background:var(--ink);color:var(--dark-text);width:320px;max-width:86vw;border-left:1px solid rgba(255,255,255,.1)}
.nav-drawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.12);padding:18px 20px}
.nav-drawer .offcanvas-body{padding:20px}
.drawer-links{display:grid;gap:2px;margin-bottom:24px}
.drawer-links a{display:flex;align-items:center;justify-content:space-between;padding:15px 4px;font-size:17px;font-weight:600;border-bottom:1px solid rgba(255,255,255,.08);transition:color var(--t)}
.drawer-links a:hover{color:var(--lime)}
.drawer-links a.active{color:var(--lime)}
.drawer-links a.active::after{content:"当前";font-size:11px;font-weight:700;letter-spacing:.1em;color:var(--ink);background:var(--lime);border-radius:var(--r-pill);padding:2px 9px}
.drawer-cta{display:grid;gap:12px;margin-bottom:24px}
.drawer-count{font-size:13px;color:var(--dark-muted);border:1px solid rgba(255,255,255,.14);border-radius:12px;padding:14px}
.drawer-count b{display:block;color:var(--sand);font-size:15px;margin-bottom:4px}
.btn-close-mk{width:38px;height:38px;border-radius:10px;border:1px solid rgba(255,255,255,.2);background:transparent;color:var(--dark-text);font-size:18px;line-height:1;cursor:pointer}
.btn-close-mk:hover{color:var(--lime);border-color:var(--lime)}