/* roulang page: index */
:root{
  --green:#0B6E4F;
  --green-deep:#063D2C;
  --green-light:#17A06B;
  --lime:#7ED957;
  --red:#E23A3A;
  --gold:#F2C14E;
  --bg:#F7F5EF;
  --bg-soft:#F1F7F3;
  --dark:#0E1512;
  --card:#FFFFFF;
  --text:#16211C;
  --text-2:#4A5A52;
  --text-3:#7C8C84;
  --border:#E6E9E4;
  --grad:linear-gradient(135deg,#0B6E4F 0%,#17A06B 55%,#7ED957 100%);
  --grad-deep:linear-gradient(180deg,#063D2C 0%,#0E1512 100%);
  --r-lg:24px;
  --r:18px;
  --r-img:16px;
  --r-input:12px;
  --shadow-sm:0 1px 2px rgba(11,110,79,.06),0 12px 32px rgba(14,21,18,.08);
  --shadow-lg:0 18px 44px rgba(14,21,18,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sec:88px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--green);text-decoration:none;transition:color 220ms var(--ease)}
a:hover{color:var(--green-light)}
button,input{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text)}
h1{font-size:clamp(30px,4.2vw,52px);line-height:1.25;letter-spacing:-.5px}
h2{font-size:clamp(24px,3vw,36px);line-height:1.3;letter-spacing:-.3px}
h3{font-size:20px;font-weight:600;line-height:1.4}
p{margin:0 0 18px}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
.container{max-width:1200px;padding-left:20px;padding-right:20px;margin:0 auto}
.num{font-variant-numeric:tabular-nums}
:focus-visible{outline:3px solid rgba(11,110,79,.35);outline-offset:2px;border-radius:6px}

/* ---------- Buttons ---------- */
.btn-grad,.btn-line,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-size:15.5px;font-weight:600;line-height:1;
  padding:15px 28px;min-height:48px;border:0;cursor:pointer;
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),background 220ms var(--ease),color 220ms var(--ease),filter 220ms var(--ease);
  white-space:nowrap;
}
.btn-grad{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(11,110,79,.28)}
.btn-grad:hover{color:#fff;filter:brightness(.92);transform:translateY(-2px);box-shadow:0 16px 34px rgba(11,110,79,.34)}
.btn-grad:active{transform:translateY(0)}
.btn-line{background:transparent;color:var(--green);border:1.5px solid var(--green)}
.btn-line:hover{background:var(--bg-soft);color:var(--green-deep);transform:translateY(-2px)}
.btn-line:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.75)}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px)}
.btn-sm{padding:11px 20px;font-size:14.5px;min-height:44px}

/* ---------- Header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1040;
  background:transparent;border-bottom:1px solid rgba(255,255,255,.12);
  transition:background 180ms var(--ease),box-shadow 180ms var(--ease),border-color 180ms var(--ease);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:saturate(180%) blur(8px);
  backdrop-filter:saturate(180%) blur(8px);
  border-bottom:1px solid var(--border);
  box-shadow:0 6px 24px rgba(14,21,18,.07);
}
.nav-wrap{display:flex;align-items:center;gap:20px;min-height:76px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-icon{
  width:38px;height:38px;border-radius:12px;flex-shrink:0;
  background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:19px;line-height:1;box-shadow:0 6px 16px rgba(11,110,79,.3);
}
.brand-text{font-size:17.5px;font-weight:700;letter-spacing:-.2px;color:#fff;transition:color 180ms var(--ease)}
.brand-sub{display:block;font-size:11.5px;font-weight:500;letter-spacing:.6px;opacity:.75;line-height:1.3}
.site-header.is-scrolled .brand-text{color:var(--text)}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:14px;flex:1}
.nav-link{
  position:relative;display:inline-flex;align-items:center;min-height:44px;
  padding:0 13px;border-radius:10px;font-size:15.5px;font-weight:500;
  color:rgba(255,255,255,.86);transition:color 180ms var(--ease),background 180ms var(--ease);
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.12)}
.nav-link.active{color:#fff;font-weight:700}
.nav-link.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:12px;height:2px;border-radius:2px;
  background:var(--gold);
}
.site-header.is-scrolled .nav-link{color:var(--text-2)}
.site-header.is-scrolled .nav-link:hover{color:var(--green);background:var(--bg-soft)}
.site-header.is-scrolled .nav-link.active{color:var(--green-deep);font-weight:700}
.site-header.is-scrolled .nav-link.active::after{background:var(--green)}
.nav-right{display:flex;align-items:center;gap:12px;flex-shrink:0}
.search-pill{
  display:flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.26);
  border-radius:999px;padding:9px 16px;min-width:200px;
  transition:background 180ms var(--ease),border-color 180ms var(--ease);
}
.search-pill svg{flex-shrink:0;opacity:.85}
.search-pill input{
  background:transparent;border:0;outline:none;color:#fff;font-size:14.5px;width:100%;
}
.search-pill input::placeholder{color:rgba(255,255,255,.72)}
.site-header.is-scrolled .search-pill{background:var(--bg-soft);border-color:var(--border)}
.site-header.is-scrolled .search-pill input{color:var(--text)}
.site-header.is-scrolled .search-pill input::placeholder{color:var(--text-3)}
.login-link{
  font-size:15px;font-weight:500;color:rgba(255,255,255,.86);
  padding:10px 6px;min-height:44px;display:inline-flex;align-items:center;
}
.login-link:hover{color:#fff}
.site-header.is-scrolled .login-link{color:var(--text-2)}
.site-header.is-scrolled .login-link:hover{color:var(--green)}
.nav-toggle{
  width:46px;height:46px;border-radius:12px;border:1px solid rgba(255,255,255,.3);
  background:rgba(255,255,255,.12);color:#fff;display:inline-flex;align-items:center;justify-content:center;
}
.site-header.is-scrolled .nav-toggle{border-color:var(--border);background:var(--bg-soft);color:var(--green)}
.nav-cta{padding:13px 24px;font-size:15px;min-height:46px}
.offcanvas{border-radius:0 20px 20px 0}
.m-nav{display:flex;flex-direction:column;gap:4px;margin-top:8px}
.m-nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;padding:0 14px;border-radius:14px;font-size:16px;
  color:var(--text);font-weight:500;
}
.m-nav a:hover,.m-nav a.active{background:var(--bg-soft);color:var(--green);font-weight:700}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:var(--grad-deep);
  background-image:linear-gradient(135deg,#0B6E4F 0%,#17A06B 55%,#7ED957 100%);
  padding:160px 0 96px;color:#fff;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(560px 420px at 88% 8%,rgba(255,255,255,.28),transparent 62%),
    radial-gradient(520px 420px at 6% 96%,rgba(6,61,44,.55),transparent 65%);
  pointer-events:none;
}
.hero .container{position:relative;z-index:2}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);
  border-radius:999px;padding:8px 18px;font-size:13.5px;font-weight:600;letter-spacing:.4px;
  color:#fff;backdrop-filter:blur(4px);
}
.hero-tag .dot{width:8px;height:8px;border-radius:50%;background:var(--gold)}
.hero h1{color:#fff;margin:22px 0 18px;max-width:15em}
.hero-sub{font-size:17px;line-height:1.85;color:rgba(255,255,255,.9);max-width:36em;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px}
.badge-row{display:flex;flex-wrap:wrap;gap:12px}
.stat-badge{
  display:flex;align-items:center;gap:12px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);
  border-radius:16px;padding:12px 18px;min-width:150px;
}
.stat-badge .ico{
  width:34px;height:34px;border-radius:10px;flex-shrink:0;
  background:rgba(255,255,255,.2);display:flex;align-items:center;justify-content:center;color:#fff;
}
.stat-badge .v{font-size:22px;font-weight:700;line-height:1.1;color:#fff;font-variant-numeric:tabular-nums}
.stat-badge .k{font-size:12.5px;color:rgba(255,255,255,.82);line-height:1.4}
.hero-media{position:relative;padding:10px 0 26px}
.hero-media img{
  width:100%;aspect-ratio:4/3.2;object-fit:cover;border-radius:20px;
  box-shadow:0 28px 60px rgba(6,61,44,.4);
}
.float-card{
  position:absolute;background:#fff;border-radius:16px;padding:14px 18px;
  box-shadow:0 18px 40px rgba(6,61,44,.28);color:var(--text);min-width:172px;
  animation:floaty 6s ease-in-out infinite;
}
.float-card .v{font-size:21px;font-weight:700;color:var(--green-deep);font-variant-numeric:tabular-nums;line-height:1.15}
.float-card .k{font-size:12.5px;color:var(--text-3);line-height:1.5}
.float-card.f1{left:-18px;bottom:64px}
.float-card.f2{right:-14px;top:26px;animation-delay:-3s}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
@media (prefers-reduced-motion:reduce){
  .float-card{animation:none}
  *{transition:none!important}
}

/* ---------- Sections ---------- */
.section{padding:var(--sec) 0}
.section-tint{background:var(--bg-soft)}
.section-white{background:#fff}
.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:20px;margin-bottom:46px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:1.4px;color:var(--green);
  text-transform:uppercase;margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:3px;background:var(--grad)}
.section-head h2{max-width:22em}
.section-lead{font-size:16px;color:var(--text-2);max-width:34em;margin:0}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--green);
}
.link-more span{transition:transform 220ms var(--ease);display:inline-block}
.link-more:hover span{transform:translateX(4px)}

/* ---------- Value block ---------- */
.value-main{
  background:#fff;border:1px solid var(--border);border-left:4px solid var(--green);
  border-radius:var(--r-lg);padding:34px 30px;height:100%;box-shadow:var(--shadow-sm);
  transition:box-shadow 220ms var(--ease),border-color 220ms var(--ease);
}
.value-main:hover{box-shadow:var(--shadow-lg)}
.value-num{font-size:clamp(44px,6vw,62px);font-weight:700;line-height:1;color:var(--green-deep);font-variant-numeric:tabular-nums;margin-bottom:10px}
.value-num span{font-size:22px;color:var(--green-light);margin-left:6px}
.value-main h3{margin-bottom:14px}
.value-main p{color:var(--text-2);font-size:16px}
.check-list{margin-top:20px;display:flex;flex-direction:column;gap:12px}
.check-list li{display:flex;gap:10px;font-size:15.5px;color:var(--text-2);line-height:1.7}
.check-list li::before{
  content:"";flex-shrink:0;width:20px;height:20px;margin-top:4px;border-radius:50%;
  background:var(--bg-soft) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230B6E4F' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>") center/12px no-repeat;
  border:1px solid rgba(11,110,79,.22);
}
.value-side{display:flex;flex-direction:column;gap:24px;height:100%}
.h-card{
  background:#fff;border:1px solid var(--border);border-left:4px solid var(--green);
  border-radius:var(--r);padding:26px 26px;display:flex;gap:20px;align-items:flex-start;
  flex:1;box-shadow:var(--shadow-sm);
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),border-color 220ms var(--ease);
}
.h-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:rgba(11,110,79,.35)}
.h-card .h-ico{
  width:52px;height:52px;flex-shrink:0;border-radius:14px;background:var(--bg-soft);
  display:flex;align-items:center;justify-content:center;color:var(--green);
}
.h-card h3{margin-bottom:8px;font-size:18.5px}
.h-card p{font-size:15px;color:var(--text-2);margin:0}
.h-card .mini{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px}
.chip{
  display:inline-flex;align-items:center;gap:6px;border-radius:999px;
  background:var(--bg-soft);color:var(--green);font-size:12.5px;font-weight:600;padding:5px 12px;
}
.chip-gold{background:rgba(242,193,78,.2);color:#8A6415}

/* ---------- Tabs ---------- */
.tab-nav{
  display:flex;gap:10px;flex-wrap:wrap;margin-bottom:34px;
}
.tab-btn{
  border:1px solid var(--border);background:#fff;color:var(--text-2);
  border-radius:999px;padding:12px 24px;font-size:15px;font-weight:600;min-height:46px;
  transition:all 220ms var(--ease);cursor:pointer;
}
.tab-btn:hover{border-color:rgba(11,110,79,.4);color:var(--green)}
.tab-btn.active{background:var(--green);border-color:var(--green);color:#fff;box-shadow:0 10px 24px rgba(11,110,79,.24)}
.tab-pane{display:none}
.tab-pane.active{display:block;animation:fadeUp 320ms var(--ease)}
@keyframes fadeUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.feat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.feat-card{
  position:relative;background:#fff;border:1px solid var(--border);border-radius:var(--r);
  padding:26px;box-shadow:var(--shadow-sm);
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),border-color 220ms var(--ease);
}
.feat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(11,110,79,.3)}
.feat-card .f-ico{
  width:50px;height:50px;border-radius:14px;background:var(--bg-soft);color:var(--green);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
}
.feat-card h3{font-size:18px;margin-bottom:10px}
.feat-card p{font-size:15px;color:var(--text-2);margin:0}
.feat-card .tag-top{
  position:absolute;top:18px;right:18px;font-size:12px;font-weight:700;
  background:rgba(242,193,78,.22);color:#8A6415;border-radius:999px;padding:4px 12px;
}

/* ---------- Scenes ---------- */
.scene-row{align-items:center;margin-bottom:64px}
.scene-row:last-child{margin-bottom:0}
.scene-img img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:20px;
  box-shadow:var(--shadow-sm);transition:transform 420ms var(--ease);
}
.scene-img{overflow:hidden;border-radius:20px}
.scene-img:hover img{transform:scale(1.04)}
.scene-num{
  font-size:clamp(48px,6vw,74px);font-weight:700;line-height:1;
  color:transparent;-webkit-text-stroke:1.5px rgba(11,110,79,.45);
  margin-bottom:8px;font-variant-numeric:tabular-nums;
}
.scene-body h3{font-size:clamp(20px,2.4vw,26px);margin-bottom:14px}
.scene-body p{color:var(--text-2);font-size:16px}
.point-list{margin-top:18px;display:flex;flex-direction:column;gap:12px}
.point-list li{
  display:flex;gap:10px;font-size:15.5px;color:var(--text-2);
  padding-bottom:12px;border-bottom:1px dashed var(--border);
}
.point-list li:last-child{border-bottom:0;padding-bottom:0}
.point-list li span.d{width:7px;height:7px;border-radius:50%;background:var(--green-light);margin-top:10px;flex-shrink:0}

/* ---------- Cases ---------- */
.case-shell{
  background:var(--bg-soft);border-radius:var(--r-lg);padding:46px 34px 40px;position:relative;
}
.case-track{
  display:flex;gap:22px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 4px 18px;scrollbar-width:thin;
}
.case-track::-webkit-scrollbar{height:6px}
.case-track::-webkit-scrollbar-thumb{background:rgba(11,110,79,.28);border-radius:999px}
.case-card{
  flex:0 0 clamp(280px,38%,420px);scroll-snap-align:start;
  background:#fff;border:1px solid var(--border);border-radius:var(--r);
  padding:26px;box-shadow:var(--shadow-sm);
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease);
}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.case-head{display:flex;align-items:center;gap:14px;margin-bottom:16px}
.case-avatar{width:54px;height:54px;border-radius:50%;overflow:hidden;flex-shrink:0;border:2px solid #fff;box-shadow:var(--shadow-sm)}
.case-avatar img{width:100%;height:100%;object-fit:cover}
.case-name{font-size:16px;font-weight:700}
.case-role{font-size:13px;color:var(--text-3)}
.case-quote{font-size:16.5px;font-weight:700;line-height:1.6;margin-bottom:16px;color:var(--text)}
.case-badges{display:flex;flex-wrap:wrap;gap:8px}
.case-nav{display:flex;gap:12px;justify-content:flex-end;margin-top:6px}
.case-btn{
  width:48px;height:48px;border-radius:50%;border:1.5px solid var(--green);
  background:#fff;color:var(--green);display:inline-flex;align-items:center;justify-content:center;
  transition:background 220ms var(--ease),color 220ms var(--ease),transform 220ms var(--ease);
}
.case-btn:hover{background:var(--green);color:#fff;transform:translateY(-2px)}

/* ---------- Plans ---------- */
.plan-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  padding:32px 28px;height:100%;display:flex;flex-direction:column;
  box-shadow:var(--shadow-sm);position:relative;
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),border-color 220ms var(--ease);
}
.plan-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(11,110,79,.3)}
.plan-card.featured{
  border:2px solid transparent;
  background:
    linear-gradient(#fff,#fff) padding-box,
    var(--grad) border-box;
  transform:translateY(-8px);
  box-shadow:0 24px 52px rgba(11,110,79,.2);
}
.plan-card.featured:hover{transform:translateY(-12px)}
.plan-badge{
  position:absolute;top:-14px;left:28px;background:var(--gold);color:#4A3406;
  font-size:12.5px;font-weight:700;border-radius:999px;padding:5px 14px;
}
.plan-name{font-size:20px;font-weight:700;margin-bottom:6px}
.plan-desc{font-size:14.5px;color:var(--text-3);margin-bottom:20px;min-height:44px}
.plan-price{font-size:38px;font-weight:700;color:var(--green-deep);font-variant-numeric:tabular-nums;line-height:1.1}
.plan-price small{font-size:14px;font-weight:500;color:var(--text-3);margin-left:6px}
.plan-line{height:1px;background:var(--border);margin:22px 0}
.plan-card .btn-grad,.plan-card .btn-line{width:100%;margin-top:auto}
.plan-feats{display:flex;flex-direction:column;gap:12px;margin-bottom:26px}
.plan-feats li{display:flex;gap:10px;font-size:15px;color:var(--text-2)}
.plan-feats li::before{
  content:"";flex-shrink:0;width:18px;height:18px;margin-top:4px;border-radius:50%;
  background:var(--bg-soft) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230B6E4F' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>") center/11px no-repeat;
}

/* ---------- News / CMS ---------- */
.news-card{
  display:flex;flex-direction:column;height:100%;background:#fff;
  border:1px solid var(--border);border-radius:var(--r);overflow:hidden;
  box-shadow:var(--shadow-sm);color:inherit;
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),border-color 220ms var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(11,110,79,.32);color:inherit}
.news-cover{overflow:hidden;aspect-ratio:16/10;background:var(--bg-soft)}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform 420ms var(--ease)}
.news-card:hover .news-cover img{transform:scale(1.04)}
.news-body{padding:22px 24px 0;flex:1}
.badge-cat{
  display:inline-flex;align-items:center;background:rgba(11,110,79,.1);color:var(--green);
  font-size:12.5px;font-weight:700;border-radius:999px;padding:5px 12px;margin-bottom:12px;
}
.news-title{
  font-size:18px;font-weight:700;line-height:1.5;margin-bottom:10px;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-excerpt{
  font-size:14.8px;color:var(--text-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 24px;margin-top:18px;border-top:1px solid var(--border);
  font-size:13.5px;color:var(--text-3);
}
.news-foot .arrow{color:var(--green);transition:transform 220ms var(--ease)}
.news-card:hover .news-foot .arrow{transform:translateX(4px)}
.empty-state{
  text-align:center;padding:64px 20px;background:#fff;border:1px dashed var(--border);border-radius:var(--r-lg);
}
.empty-state .e-ico{color:var(--green);opacity:.55;margin-bottom:16px}
.empty-state p{color:var(--text-2);margin-bottom:22px}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--border);position:relative}
.faq-item:last-child{border-bottom:0}
.faq-q{
  width:100%;text-align:left;background:transparent;border:0;cursor:pointer;
  padding:22px 44px 22px 18px;font-size:17px;font-weight:600;color:var(--text);
  position:relative;transition:color 220ms var(--ease),padding-left 220ms var(--ease);
}
.faq-q::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%) scaleY(0);
  width:3px;height:26px;border-radius:3px;background:var(--green);
  transition:transform 220ms var(--ease);transform-origin:center;
}
.faq-item.open .faq-q::before{transform:translateY(-50%) scaleY(1)}
.faq-item.open .faq-q{color:var(--green-deep);padding-left:22px}
.faq-q::after{
  content:"";position:absolute;right:14px;top:50%;width:12px;height:12px;
  border-right:2px solid var(--green);border-bottom:2px solid var(--green);
  transform:translateY(-70%) rotate(45deg);
  transition:transform 260ms var(--ease);
}
.faq-item.open .faq-q::after{transform:translateY(-30%) rotate(-135deg)}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height 320ms var(--ease);
}
.faq-a-inner{padding:0 44px 24px 22px;font-size:15px;line-height:1.85;color:var(--text-2)}

/* ---------- CTA ---------- */
.cta-card{
  position:relative;overflow:hidden;background:var(--grad);border-radius:28px;
  padding:58px 54px;color:#fff;display:flex;flex-wrap:wrap;gap:32px;
  align-items:center;justify-content:space-between;
  box-shadow:0 28px 60px rgba(11,110,79,.28);
}
.cta-card .wm{
  position:absolute;right:-10px;bottom:-46px;font-size:230px;line-height:1;
  color:#fff;opacity:.07;pointer-events:none;user-select:none;
}
.cta-copy{position:relative;z-index:2;max-width:34em}
.cta-copy h2{color:#fff;margin-bottom:12px}
.cta-copy p{color:rgba(255,255,255,.9);margin:0;font-size:16px}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:14px}
.cta-card .btn-grad{background:#fff;color:var(--green-deep);box-shadow:0 12px 28px rgba(6,61,44,.24)}
.cta-card .btn-grad:hover{filter:none;background:#F4FBF7;color:var(--green-deep)}

/* ---------- Footer ---------- */
.site-footer{background:var(--grad-deep);color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:0}
.foot-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.foot-brand .brand-icon{width:40px;height:40px}
.foot-brand-name{font-size:20px;font-weight:700;color:#fff;letter-spacing:-.2px}
.foot-desc{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.68);max-width:26em}
.foot-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:18px;letter-spacing:.6px}
.foot-links{display:flex;flex-direction:column;gap:12px}
.foot-links a,.foot-contact li{
  font-size:14px;color:rgba(255,255,255,.7);transition:color 220ms var(--ease),transform 220ms var(--ease);
  display:inline-block;
}
.foot-links a:hover{color:var(--green-light);transform:translateX(2px)}
.foot-contact{display:flex;flex-direction:column;gap:12px;font-size:14px}
.foot-contact li{display:flex;gap:10px;align-items:flex-start;line-height:1.7}
.foot-contact .k{color:rgba(255,255,255,.46);min-width:64px;display:inline-block}
.foot-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0 26px;display:flex;flex-wrap:wrap;gap:12px;
  justify-content:space-between;font-size:13.5px;color:rgba(255,255,255,.5);
}
.foot-bottom a{color:rgba(255,255,255,.6)}
.foot-bottom a:hover{color:var(--green-light)}

/* ---------- Responsive ---------- */
@media (max-width:1199.98px){
  .search-pill{min-width:170px}
  .nav-link{padding:0 10px;font-size:15px}
  .case-card{flex:0 0 46%}
}
@media (max-width:991.98px){
  :root{--sec:64px}
  .hero{padding:140px 0 76px}
  .hero-media{margin-top:26px}
  .float-card.f1{left:6px;bottom:26px}
  .float-card.f2{right:6px;top:6px}
  .feat-grid{grid-template-columns:1fr 1fr}
  .case-shell{padding:34px 22px 30px}
  .case-card{flex:0 0 62%}
  .plan-card.featured{transform:none}
  .plan-card.featured:hover{transform:translateY(-6px)}
  .cta-card{padding:44px 34px}
}
@media (max-width:767.98px){
  :root{--sec:52px}
  body{font-size:16px}
  .hero{padding:126px 0 62px}
  .hero-sub{font-size:16px}
  .badge-row g可用{display:none}
  .stat-badge{flex:1 1 calc(50% - 6px);min-width:0;padding:12px 14px}
  .stat-badge .v{font-size:19px}
  .feat-grid{grid-template-columns:1fr}
  .section-head{margin-bottom:32px}
  .case-card{flex:0 0 82%}
  .cta-card{padding:36px 24px}
  .cta-card .wm{font-size:160px}
  .tab-nav{flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px}
  .tab-btn{flex:0 0 auto}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px}
  .stat-badge{flex:1 1 100%}
  .hero-actions .btn-grad,.hero-actions .btn-ghost{width:100%}
  .case-card{flex:0 0 90%}
  .value-main{padding:28px 22px}
  .feat-card,.h-card,.plan-card{padding:22px}
  .cta-actions{width:100%}
  .cta-actions .btn-grad,.cta-actions .btn-line{width:100%}
}

/* roulang page: article */
:root{
  --felt:#0B6E4F;
  --felt-deep:#063D2C;
  --mint:#17A06B;
  --lime:#7ED957;
  --card-red:#E23A3A;
  --chip-gold:#F2C14E;
  --bg:#F7F5EF;
  --bg-soft:#F1F7F3;
  --ink:#0E1512;
  --ink-2:#2C3A34;
  --ink-3:#5C6B64;
  --line:#E6E9E4;
  --white:#FFFFFF;
  --brand-grad:linear-gradient(135deg,#0B6E4F 0%,#17A06B 55%,#7ED957 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-img:16px;
  --r-input:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(11,110,79,.06),0 12px 32px rgba(14,21,18,.08);
  --sh-2:0 18px 44px rgba(14,21,18,.14);
  --ease:220ms cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  font-size:17px;line-height:1.9;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--felt);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--mint)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:.2px}
p{margin:0}
.container{width:100%;max-width:1220px;margin:0 auto;padding:0 20px}
.num{font-variant-numeric:tabular-nums}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:1050;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:background var(--ease),box-shadow var(--ease);
}
.header-inner{display:flex;align-items:center;gap:18px;min-height:74px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-icon{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:var(--brand-grad);color:#fff;font-size:19px;line-height:1;
  box-shadow:0 6px 16px rgba(11,110,79,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:17px;font-weight:700;color:var(--ink);white-space:nowrap}
.brand-sub{font-size:12px;color:var(--ink-3);letter-spacing:.6px}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1 1 auto}
.main-nav .nav-link{
  position:relative;padding:10px 12px;font-size:15px;font-weight:500;color:var(--ink-2);
  border-radius:10px;white-space:nowrap;
}
.main-nav .nav-link:hover{color:var(--felt);background:var(--bg-soft)}
.main-nav .nav-link.active{color:var(--felt);font-weight:600}
.main-nav .nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--felt);border-radius:2px;
}
.header-tools{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-search{
  display:flex;align-items:center;gap:8px;background:var(--bg-soft);
  border:1px solid var(--line);border-radius:var(--r-pill);padding:8px 14px;
}
.nav-search i{color:var(--ink-3);font-size:15px}
.nav-search input{
  border:0;background:transparent;outline:none;font-size:14px;width:132px;color:var(--ink);
}
.nav-search input::placeholder{color:#9AA6A0}
.nav-login{font-size:15px;color:var(--ink-2)}
.nav-login:hover{color:var(--felt)}
.btn-grad{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--brand-grad);color:#fff;font-weight:600;font-size:15px;
  padding:11px 22px;border:0;border-radius:var(--r-pill);
  box-shadow:0 8px 20px rgba(11,110,79,.26);
  transition:transform var(--ease),box-shadow var(--ease),filter var(--ease);
}
.btn-grad:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(11,110,79,.32);filter:brightness(1.06)}
.btn-grad:active{transform:translateY(0)}
.btn-outline-felt{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:var(--felt);font-weight:600;font-size:15px;
  padding:10px 22px;border:1.5px solid var(--felt);border-radius:var(--r-pill);
  transition:background var(--ease),color var(--ease),transform var(--ease);
}
.btn-outline-felt:hover{background:var(--bg-soft);color:var(--felt);transform:translateY(-2px)}
.btn-ghost-white{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:#fff;font-weight:600;font-size:15px;
  padding:10px 22px;border:1.5px solid rgba(255,255,255,.7);border-radius:var(--r-pill);
  transition:background var(--ease),transform var(--ease);
}
.btn-ghost-white:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px)}
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:none;box-shadow:0 0 0 3px rgba(11,110,79,.35);border-radius:var(--r-pill);
}
.burger{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;display:grid;place-items:center;color:var(--felt);font-size:20px;
}
.offcanvas{background:var(--bg)}
.offcanvas .nav-link{
  display:block;padding:14px 12px;font-size:16px;color:var(--ink-2);
  border-radius:12px;font-weight:500;
}
.offcanvas .nav-link.active{background:var(--bg-soft);color:var(--felt);font-weight:600}

/* ===== 面包屑 ===== */
.crumb-bar{background:var(--bg-soft);border-bottom:1px solid var(--line);padding:14px 0}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--ink-3);margin:0;padding:0;list-style:none}
.crumb a{color:var(--ink-3)}
.crumb a:hover{color:var(--felt)}
.crumb li+li::before{content:"/";margin-right:8px;color:#B7C1BB}
.crumb .cur{color:var(--ink-2);font-weight:600;max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:inline-block;vertical-align:bottom}

/* ===== 文章头 ===== */
.article-hero{padding:52px 0 40px;background:linear-gradient(180deg,#F1F7F3 0%,#F7F5EF 100%)}
.post-badge{
  display:inline-flex;align-items:center;gap:8px;background:#fff;color:var(--felt);
  border:1px solid rgba(11,110,79,.22);border-radius:var(--r-pill);
  padding:6px 16px;font-size:13px;font-weight:600;
}
.post-title{
  font-size:clamp(26px,3.4vw,42px);line-height:1.35;font-weight:700;margin:18px 0 6px;
  max-width:900px;
}
.post-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.meta-chip{
  display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-pill);padding:7px 15px;font-size:13px;color:var(--ink-3);
}
.meta-chip i{color:var(--felt)}

/* ===== 正文区 ===== */
.article-body{padding:48px 0 0}
.content-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:38px 40px;
}
.article-content{max-width:760px;font-size:17px;line-height:1.92;color:var(--ink-2)}
.article-content p{margin:0 0 20px}
.article-content h2{
  font-size:clamp(20px,2.3vw,27px);line-height:1.4;font-weight:700;color:var(--ink);
  margin:44px 0 16px;padding-left:14px;position:relative;
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;background:var(--felt);
}
.article-content h3{font-size:20px;font-weight:600;color:var(--ink);margin:32px 0 12px}
.article-content ul,.article-content ol{margin:0 0 20px;padding-left:22px;line-height:1.9}
.article-content li{margin-bottom:9px}
.article-content ul li::marker{color:var(--felt)}
.article-content ol li::marker{color:var(--felt);font-weight:600}
.article-content blockquote{
  margin:24px 0;padding:18px 22px;background:var(--bg-soft);border-left:4px solid var(--felt);
  border-radius:0 12px 12px 0;font-style:italic;color:var(--ink-2);
}
.article-content img{border-radius:var(--r-img);margin:26px auto;max-width:100%}
.article-content figure{margin:26px 0}
.article-content figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:10px}
.article-content table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;border-radius:12px;overflow:hidden}
.article-content th{background:var(--bg-soft);color:var(--felt);font-weight:600;text-align:left;padding:13px 16px}
.article-content td{padding:13px 16px;border-top:1px solid var(--line)}
.article-content tr:nth-child(even) td{background:var(--bg-soft)}
.article-content a{color:var(--felt);border-bottom:1px solid rgba(11,110,79,.3)}
.article-content a:hover{color:var(--mint)}

/* ===== 侧栏 ===== */
.side-col{position:sticky;top:96px}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);padding:22px;margin-bottom:20px;
}
.side-title{
  font-size:15px;font-weight:700;color:var(--ink);margin-bottom:14px;
  display:flex;align-items:center;gap:8px;
}
.side-title::before{content:"";width:4px;height:15px;border-radius:3px;background:var(--felt)}
.toc-list{list-style:none;margin:0;padding:0}
.toc-list li a{
  display:block;padding:9px 10px;font-size:14px;color:var(--ink-3);border-radius:10px;
  border-left:2px solid transparent;transition:all var(--ease);
}
.toc-list li a:hover,.toc-list li a.on{
  background:var(--bg-soft);color:var(--felt);border-left-color:var(--felt);font-weight:600;
}
.side-post{display:block;padding:11px 0;border-bottom:1px dashed var(--line)}
.side-post:last-child{border-bottom:0}
.side-post .t{font-size:14px;font-weight:600;color:var(--ink-2);line-height:1.55}
.side-post:hover .t{color:var(--felt)}
.side-post .d{font-size:12px;color:var(--ink-3);margin-top:5px}
.side-cta{
  background:var(--brand-grad);color:#fff;border:0;border-radius:var(--r-md);
  padding:24px 22px;box-shadow:0 16px 36px rgba(11,110,79,.28);
}
.side-cta h4{color:#fff;font-size:17px;font-weight:700;line-height:1.5}
.side-cta p{font-size:13px;color:rgba(255,255,255,.85);margin:10px 0 16px;line-height:1.75}
.side-cta .btn-ghost-white{width:100%;padding:10px 16px}

/* ===== 标签与翻页 ===== */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px;padding-top:28px;border-top:1px solid var(--line)}
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;background:var(--bg-soft);color:var(--felt);
  border-radius:var(--r-pill);padding:8px 16px;font-size:13px;font-weight:500;transition:all var(--ease);
}
.tag-pill:hover{background:var(--felt);color:#fff}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:34px}
.pager-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px 22px;box-shadow:var(--sh-1);transition:all var(--ease);
}
.pager-card:hover{border-color:rgba(11,110,79,.3);box-shadow:var(--sh-2);transform:translateY(-3px)}
.pager-card .k{font-size:12px;color:var(--ink-3);letter-spacing:.5px}
.pager-card .v{
  font-size:15px;font-weight:600;color:var(--ink);margin-top:8px;line-height:1.6;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.pager-card .arrow{color:var(--felt);font-size:14px;margin-top:10px;display:inline-flex;gap:6px}
.back-cate{
  display:inline-flex;align-items:center;gap:8px;margin-top:26px;font-size:14px;font-weight:600;color:var(--felt);
}

/* ===== 相关推荐 ===== */
.related{padding:72px 0 0}
.sec-head{margin-bottom:30px}
.sec-head h2{font-size:clamp(22px,2.6vw,31px);font-weight:700}
.sec-head p{font-size:15px;color:var(--ink-3);margin-top:8px}
.card-item{
  display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);transition:all var(--ease);
}
.card-item:hover{border-color:rgba(11,110,79,.3);box-shadow:var(--sh-2);transform:translateY(-3px)}
.card-cover{position:relative;overflow:hidden;aspect-ratio:16/9}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform 420ms cubic-bezier(.2,.7,.3,1)}
.card-item:hover .card-cover img{transform:scale(1.04)}
.card-body{flex:1 1 auto;padding:22px 22px 16px}
.badge-cate{
  display:inline-flex;align-items:center;gap:6px;background:var(--bg-soft);color:var(--felt);
  font-size:12px;font-weight:600;border-radius:var(--r-pill);padding:5px 13px;
}
.card-title{
  font-size:17px;font-weight:700;line-height:1.55;margin:13px 0 9px;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-desc{
  font-size:14px;color:var(--ink-3);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 22px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-3);
}
.card-item:hover .card-foot .go{transform:translateX(4px)}
.card-foot .go{color:var(--felt);font-weight:600;display:inline-flex;align-items:center;gap:6px;transition:transform var(--ease)}

/* ===== 空态 ===== */
.empty-state{text-align:center;padding:64px 20px}
.empty-state i{font-size:64px;color:#C6D3CB;line-height:1}
.empty-state p{color:var(--ink-3);margin:18px 0 22px;font-size:15px}

/* ===== 底部 CTA ===== */
.cta-wrap{padding:80px 0 88px}
.cta-card{
  position:relative;overflow:hidden;background:var(--brand-grad);border-radius:28px;
  padding:52px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:0 24px 56px rgba(11,110,79,.26);
}
.cta-card::after{
  content:"♠";position:absolute;right:26px;bottom:-40px;font-size:220px;color:#fff;opacity:.07;line-height:1;
}
.cta-card h2{color:#fff;font-size:clamp(22px,2.6vw,32px);font-weight:700;line-height:1.4;max-width:640px}
.cta-card p{color:rgba(255,255,255,.88);font-size:15px;margin-top:12px;max-width:620px;line-height:1.8}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:2}
.cta-card .btn-white{
  display:inline-flex;align-items:center;gap:8px;background:#fff;color:var(--felt);
  font-weight:700;font-size:15px;padding:13px 28px;border-radius:var(--r-pill);border:0;
  transition:transform var(--ease),box-shadow var(--ease);
}
.cta-card .btn-white:hover{color:var(--felt-deep);transform:translateY(-2px);box-shadow:0 14px 28px rgba(0,0,0,.16)}

/* ===== 页脚 ===== */
.site-footer{
  background:linear-gradient(180deg,#063D2C 0%,#0E1512 100%);
  color:rgba(255,255,255,.7);padding:66px 0 0;margin-top:0;
}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.foot-brand .brand-icon{background:rgba(255,255,255,.12);box-shadow:none;color:var(--lime)}
.foot-brand-name{color:#fff;font-size:20px;font-weight:700}
.foot-desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.68)}
.foot-col h4{color:#fff;font-size:14px;font-weight:600;margin-bottom:16px;letter-spacing:.4px}
.foot-links{display:flex;flex-direction:column;gap:11px}
.foot-links a{color:rgba(255,255,255,.7);font-size:14px;transition:all var(--ease)}
.foot-links a:hover{color:var(--mint);transform:translateX(2px)}
.foot-contact{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:13px}
.foot-contact li{font-size:14px;display:flex;flex-direction:column;gap:3px;color:rgba(255,255,255,.7)}
.foot-contact .k{color:rgba(255,255,255,.45);font-size:12px;letter-spacing:.4px}
.foot-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.1);padding:22px 0 28px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.55);
}

/* ===== 响应式 ===== */
@media (max-width:1199.98px){
  .main-nav .nav-link{padding:10px 9px;font-size:14px}
  .nav-search input{width:104px}
}
@media (max-width:991.98px){
  .content-card{padding:28px 22px}
  .side-col{position:static;margin-top:36px}
  .cta-card{flex-direction:column;align-items:flex-start;padding:40px 28px}
  .pager{grid-template-columns:1fr}
}
@media (max-width:767.98px){
  body{font-size:16px}
  .article-hero{padding:36px 0 28px}
  .article-body{padding:34px 0 0}
  .article-content{font-size:16px;line-height:1.88}
  .related{padding:48px 0 0}
  .cta-wrap{padding:56px 0 64px}
  .crumb .cur{max-width:200px}
  .site-footer{padding-top:48px}
}
@media (max-width:575.98px){
  .container{padding:0 16px}
  .content-card{padding:22px 18px}
  .card-body{padding:18px 18px 14px}
  .card-foot{padding:12px 18px}
  .cta-card{padding:32px 22px}
  .cta-card::after{font-size:150px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
}

/* roulang page: category1 */
:root{
  --felt:#0B6E4F;
  --felt-deep:#063D2C;
  --felt-bright:#17A06B;
  --felt-soft:#F1F7F3;
  --card-red:#E23A3A;
  --chip-gold:#F2C14E;
  --bg:#F7F5EF;
  --surface:#FFFFFF;
  --ink:#141A17;
  --ink-2:#3B4741;
  --muted:#6B7A72;
  --line:#E6E9E4;
  --dark:#0E1512;
  --grad:linear-gradient(135deg,#0B6E4F 0%,#17A06B 55%,#7ED957 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --sh:0 1px 2px rgba(11,110,79,.06), 0 12px 32px rgba(14,21,18,.08);
  --sh-hover:0 18px 44px rgba(14,21,18,.14);
  --ease:220ms cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--felt);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--felt-bright);}
h1,h2,h3,h4{font-weight:700;color:var(--ink);letter-spacing:-.01em;}
h1{font-size:clamp(30px,4.2vw,52px);line-height:1.25;font-weight:700;}
h2{font-size:clamp(24px,3vw,36px);line-height:1.3;}
h3{font-size:20px;line-height:1.4;font-weight:600;}
p{margin:0 0 16px;}
.container{max-width:1200px;}
::selection{background:rgba(11,110,79,.15);}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:1030;
  padding:12px 0;
  background:transparent;
  transition:background var(--ease),box-shadow var(--ease),padding var(--ease);
}
.site-header.scrolled{
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  box-shadow:0 6px 24px rgba(14,21,18,.06);
  padding:8px 0;
}
.header-inner{display:flex;align-items:center;gap:18px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-icon{
  width:34px;height:34px;border-radius:11px;
  background:var(--grad);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:17px;line-height:1;
  box-shadow:0 6px 16px rgba(11,110,79,.28);
}
.brand-text{
  font-size:18px;font-weight:700;letter-spacing:-.02em;
  color:#fff;white-space:nowrap;
  transition:color var(--ease);
}
.site-header.scrolled .brand-text{color:var(--ink);}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px;}
.main-nav .nav-link{
  position:relative;
  padding:8px 12px;border-radius:999px;
  font-size:15px;font-weight:500;
  color:rgba(255,255,255,.9);
  white-space:nowrap;
  transition:color var(--ease),background var(--ease);
}
.main-nav .nav-link:hover{color:#fff;background:rgba(255,255,255,.12);}
.main-nav .nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  border-radius:2px;background:var(--felt-bright);
  transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
}
.main-nav .nav-link.active{color:#fff;font-weight:600;}
.main-nav .nav-link.active::after{transform:scaleX(1);background:var(--chip-gold);}
.site-header.scrolled .main-nav .nav-link{color:var(--ink-2);}
.site-header.scrolled .main-nav .nav-link:hover{color:var(--felt-deep);background:var(--felt-soft);}
.site-header.scrolled .main-nav .nav-link.active{color:var(--felt);}
.site-header.scrolled .main-nav .nav-link.active::after{background:var(--felt);}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.3);
  border-radius:999px;padding:7px 14px;
  transition:background var(--ease),border-color var(--ease);
}
.nav-search input{
  border:0;outline:0;background:transparent;
  color:#fff;font-size:14px;width:132px;
}
.nav-search input::placeholder{color:rgba(255,255,255,.72);}
.nav-search svg{flex-shrink:0;opacity:.85;}
.site-header.scrolled .nav-search{background:var(--felt-soft);border-color:var(--line);}
.site-header.scrolled .nav-search input{color:var(--ink);}
.site-header.scrolled .nav-search input::placeholder{color:var(--muted);}
.nav-login{font-size:15px;font-weight:500;color:rgba(255,255,255,.92);}
.nav-login:hover{color:#fff;}
.site-header.scrolled .nav-login{color:var(--ink-2);}
.site-header.scrolled .nav-login:hover{color:var(--felt);}
.nav-toggle{
  width:44px;height:44px;border-radius:12px;
  border:1px solid rgba(255,255,255,.35);
  background:rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:center;
}
.site-header.scrolled .nav-toggle{border-color:var(--line);background:var(--felt-soft);}
.nav-toggle span{
  display:block;width:18px;height:2px;background:#fff;border-radius:2px;position:relative;
}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:#fff;border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.site-header.scrolled .nav-toggle span,
.site-header.scrolled .nav-toggle span::before,
.site-header.scrolled .nav-toggle span::after{background:var(--felt-deep);}

/* ---------- 按钮 ---------- */
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:11px 24px;
  border:0;border-radius:999px;
  background:var(--grad);color:#fff;font-size:15px;font-weight:600;
  box-shadow:0 10px 26px rgba(11,110,79,.26);
  transition:transform var(--ease),box-shadow var(--ease),filter var(--ease);
}
.btn-brand:hover{color:#fff;filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 16px 34px rgba(11,110,79,.3);}
.btn-brand:active{transform:translateY(0);}
.btn-brand:focus-visible{outline:3px solid rgba(11,110,79,.35);outline-offset:2px;}
.btn-brand.btn-sm{padding:9px 20px;min-height:40px;font-size:14px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:10px 22px;border-radius:999px;
  border:1.5px solid rgba(255,255,255,.72);background:transparent;
  color:#fff;font-size:15px;font-weight:600;
  transition:background var(--ease),color var(--ease),transform var(--ease);
}
.btn-ghost:hover{background:rgba(255,255,255,.16);color:#fff;transform:translateY(-2px);}
.btn-ghost:focus-visible{outline:3px solid rgba(255,255,255,.5);outline-offset:2px;}
.btn-outline-felt{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:10px 22px;border-radius:999px;
  border:1.5px solid var(--felt);background:transparent;
  color:var(--felt);font-size:15px;font-weight:600;
  transition:background var(--ease),color var(--ease),transform var(--ease);
}
.btn-outline-felt:hover{background:var(--felt-soft);color:var(--felt-deep);transform:translateY(-2px);}
.btn-outline-felt:focus-visible{outline:3px solid rgba(11,110,79,.35);outline-offset:2px;}

/* ---------- 页头 ---------- */
.page-head{
  position:relative;
  padding:150px 0 76px;
  background:var(--grad);
  overflow:hidden;
}
.page-head::after{
  content:"";
  position:absolute;top:-160px;right:-120px;
  width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.28),rgba(255,255,255,0) 68%);
  pointer-events:none;
}
.page-head .crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.78);margin-bottom:18px;
}
.page-head .crumb a{color:rgba(255,255,255,.78);}
.page-head .crumb a:hover{color:#fff;}
.page-head .crumb .sep{opacity:.6;}
.page-head h1{color:#fff;margin:0 0 16px;max-width:16em;}
.page-head .lead-text{
  font-size:17px;line-height:1.8;color:rgba(255,255,255,.9);
  max-width:34em;margin:0 0 26px;
}
.head-badges{display:flex;flex-wrap:wrap;gap:10px;}
.head-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:999px;
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.26);
  color:#fff;font-size:13px;
}
.head-badge b{
  font-size:19px;font-weight:700;font-variant-numeric:tabular-nums;
  color:var(--chip-gold);
}
.head-media{
  border-radius:20px;overflow:hidden;
  border:1px solid rgba(255,255,255,.22);
  box-shadow:0 24px 56px rgba(6,61,44,.34);
  aspect-ratio:16/11;
}
.head-media img{width:100%;height:100%;object-fit:cover;transition:transform 600ms var(--ease);}
.head-media:hover img{transform:scale(1.04);}

/* ---------- 主体布局 ---------- */
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-alt{background:var(--felt-soft);}
.section-title-wrap{margin-bottom:36px;}
.section-title-wrap h2{margin:0 0 10px;}
.section-title-wrap p{color:var(--muted);margin:0;max-width:52em;}

.layout-grid{display:grid;grid-template-columns:280px minmax(0,1fr);gap:40px;align-items:start;}
.anchor-panel{
  position:sticky;top:100px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:22px;
  box-shadow:var(--sh);
}
.anchor-panel h3{
  font-size:14px;font-weight:600;color:var(--muted);
  letter-spacing:.06em;margin:0 0 14px;
}
.anchor-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px;}
.anchor-list a{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:var(--r-sm);
  font-size:14.5px;color:var(--ink-2);font-weight:500;
  border-left:3px solid transparent;
  transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.anchor-list a:hover{background:var(--felt-soft);color:var(--felt);border-left-color:var(--felt);}
.anchor-list a .num{
  font-size:12px;font-variant-numeric:tabular-nums;color:var(--muted);
  min-width:16px;
}
.anchor-cta{
  margin-top:20px;padding-top:20px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);line-height:1.7;
}
.anchor-cta .btn-outline-felt{margin-top:12px;width:100%;}

/* ---------- 内容卡 ---------- */
.content-block{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-left:4px solid var(--felt);
  border-radius:var(--r-md);
  padding:28px 30px;
  margin-bottom:28px;
  box-shadow:var(--sh);
  transition:box-shadow var(--ease),border-color var(--ease);
}
.content-block:hover{box-shadow:var(--sh-hover);}
.content-block:last-child{margin-bottom:0;}
.content-block .blk-tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;color:var(--felt);
  background:var(--felt-soft);border-radius:999px;
  padding:4px 12px;margin-bottom:12px;
}
.content-block h2{font-size:clamp(20px,2.2vw,26px);margin:0 0 12px;}
.content-block > p{color:var(--ink-2);margin-bottom:18px;}
.point-list{list-style:none;margin:0;padding:0;display:grid;gap:14px;}
.point-list li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:15.5px;line-height:1.8;color:var(--ink-2);
}
.point-list li .tick{
  flex-shrink:0;width:22px;height:22px;margin-top:3px;border-radius:50%;
  background:var(--felt-soft);color:var(--felt);
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;
}
.point-list li strong{color:var(--ink);font-weight:600;}
.blk-figure{
  margin:22px 0 0;border-radius:16px;overflow:hidden;
  border:1px solid var(--line);
}
.blk-figure img{width:100%;height:auto;object-fit:cover;transition:transform 600ms var(--ease);}
.blk-figure:hover img{transform:scale(1.04);}
.blk-figure figcaption{
  font-size:13px;color:var(--muted);text-align:center;
  padding:10px 14px;background:var(--felt-soft);
}

/* ---------- 数据徽章带 ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;
  margin:8px 0 0;
}
.stat-item{
  display:flex;align-items:center;gap:14px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);padding:20px 22px;box-shadow:var(--sh);
  transition:box-shadow var(--ease),transform var(--ease);
}
.stat-item:hover{box-shadow:var(--sh-hover);transform:translateY(-3px);}
.stat-ico{
  width:42px;height:42px;border-radius:13px;flex-shrink:0;
  background:var(--felt-soft);color:var(--felt);
  display:flex;align-items:center;justify-content:center;
}
.stat-num{
  font-size:26px;font-weight:700;line-height:1.1;color:var(--felt-deep);
  font-variant-numeric:tabular-nums;
}
.stat-label{font-size:13px;color:var(--muted);line-height:1.5;}

/* ---------- 相关入口卡 ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.entry-card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;
  box-shadow:var(--sh);
  transition:box-shadow var(--ease),border-color var(--ease),transform var(--ease);
}
.entry-card:hover{
  box-shadow:var(--sh-hover);border-color:rgba(11,110,79,.3);transform:translateY(-3px);
}
.entry-thumb{aspect-ratio:16/10;overflow:hidden;}
.entry-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 600ms var(--ease);}
.entry-card:hover .entry-thumb img{transform:scale(1.04);}
.entry-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.entry-body h3{font-size:18px;margin:0;}
.entry-body p{font-size:14.5px;color:var(--muted);margin:0;line-height:1.75;}
.entry-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--muted);padding-top:6px;
}
.entry-foot .arrow{color:var(--felt);transition:transform var(--ease);}
.entry-card:hover .entry-foot .arrow{transform:translateX(4px);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  margin-bottom:14px;
  overflow:hidden;
  transition:box-shadow var(--ease),border-color var(--ease);
}
.faq-item:hover{box-shadow:var(--sh);}
.faq-q{
  width:100%;text-align:left;border:0;background:transparent;
  padding:20px 24px 20px 26px;
  font-size:17px;font-weight:600;color:var(--ink);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  position:relative;min-height:44px;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  background:var(--felt);border-radius:0 3px 3px 0;
  transform:scaleY(0);transform-origin:top;transition:transform var(--ease);
}
.faq-q[aria-expanded="true"]::before{transform:scaleY(1);}
.faq-q .chev{
  flex-shrink:0;width:22px;height:22px;color:var(--felt);
  transition:transform var(--ease);
}
.faq-q[aria-expanded="true"] .chev{transform:rotate(90deg);}
.faq-a{padding:0 26px 22px;font-size:15px;line-height:1.85;color:var(--muted);}
.faq-a p{margin:0;}

/* ---------- 底部 CTA ---------- */
.cta-card{
  position:relative;overflow:hidden;
  background:var(--grad);
  border-radius:28px;
  padding:52px 48px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:0 24px 56px rgba(6,61,44,.26);
}
.cta-card::before{
  content:"♠";
  position:absolute;right:24px;bottom:-52px;
  font-size:220px;line-height:1;color:#fff;opacity:.08;pointer-events:none;
}
.cta-copy{position:relative;z-index:1;max-width:36em;}
.cta-copy h2{color:#fff;font-size:clamp(22px,2.6vw,32px);margin:0 0 10px;}
.cta-copy p{color:rgba(255,255,255,.9);margin:0;font-size:15.5px;}
.cta-actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:12px;}
.btn-white{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:12px 26px;border-radius:999px;
  background:#fff;color:var(--felt-deep);font-size:15px;font-weight:700;
  border:0;transition:transform var(--ease),box-shadow var(--ease);
}
.btn-white:hover{color:var(--felt-deep);transform:translateY(-2px);box-shadow:0 14px 30px rgba(6,61,44,.28);}
.btn-white:focus-visible{outline:3px solid rgba(255,255,255,.6);outline-offset:2px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:linear-gradient(180deg,#063D2C 0%,#0E1512 100%);
  color:#fff;padding:72px 0 0;margin-top:88px;
}
.foot-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.foot-brand .brand-icon{
  width:36px;height:36px;border-radius:11px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;font-size:18px;color:#fff;
}
.foot-brand-name{font-size:20px;font-weight:700;letter-spacing:-.01em;}
.foot-desc{
  font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);margin:0;max-width:32em;
}
.foot-col h4{
  font-size:14px;font-weight:600;color:#fff;margin:0 0 16px;letter-spacing:.02em;
}
.foot-links{display:flex;flex-direction:column;gap:10px;}
.foot-links a{
  font-size:14px;color:rgba(255,255,255,.7);
  transition:color var(--ease),transform var(--ease);
}
.foot-links a:hover{color:var(--felt-bright);transform:translateX(2px);}
.foot-contact{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px;}
.foot-contact li{font-size:14px;color:rgba(255,255,255,.7);line-height:1.7;}
.foot-contact .k{
  display:block;font-size:12px;color:rgba(255,255,255,.45);margin-bottom:2px;
}
.foot-bottom{
  margin-top:56px;padding:22px 0;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- 移动端抽屉 ---------- */
.offcanvas.drawer{
  background:#0E1512;color:#fff;width:min(320px,86vw);
}
.drawer .drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 22px;border-bottom:1px solid rgba(255,255,255,.1);
}
.drawer .drawer-head .brand-text{color:#fff;font-size:16px;}
.drawer .btn-close{filter:invert(1) grayscale(1) brightness(2);}
.drawer-body{padding:18px 22px 28px;}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:22px;}
.drawer-nav a{
  padding:13px 14px;border-radius:var(--r-sm);
  color:rgba(255,255,255,.82);font-size:15px;font-weight:500;
  border-left:3px solid transparent;
  transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.drawer-nav a:hover{background:rgba(255,255,255,.08);color:#fff;}
.drawer-nav a.active{
  background:rgba(23,160,107,.18);color:#fff;border-left-color:var(--felt-bright);
}
.drawer-search{
  display:flex;align-items:center;gap:8px;
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);
  border-radius:999px;padding:10px 16px;margin-bottom:20px;
}
.drawer-search input{
  border:0;background:transparent;outline:0;color:#fff;font-size:14px;width:100%;
}
.drawer-search input::placeholder{color:rgba(255,255,255,.5);}
.drawer-cta{width:100%;}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .nav-search input{width:104px;}
  .main-nav .nav-link{padding:8px 9px;font-size:14.5px;}
}
@media (max-width:991.98px){
  .page-head{padding:132px 0 60px;}
  .section{padding:64px 0;}
  .layout-grid{grid-template-columns:1fr;gap:28px;}
  .anchor-panel{position:static;}
  .anchor-list{flex-direction:row;flex-wrap:wrap;}
  .anchor-list a{border-left:0;border:1px solid var(--line);border-radius:999px;padding:9px 14px;}
  .anchor-list a:hover{border-color:var(--felt);}
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
  .entry-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-card{padding:40px 32px;}
}
@media (max-width:767.98px){
  .page-head{padding:120px 0 52px;}
  .section{padding:52px 0;}
  .section-tight{padding:44px 0;}
  .content-block{padding:24px 20px;}
  .cta-card{padding:34px 24px;border-radius:24px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-white,.cta-actions .btn-ghost{flex:1 1 auto;}
  .foot-bottom{flex-direction:column;}
}
@media (max-width:575.98px){
  body{font-size:15.5px;}
  .page-head{padding:112px 0 46px;}
  .stat-strip{grid-template-columns:1fr;}
  .entry-grid{grid-template-columns:1fr;}
  .head-badges{gap:8px;}
  .head-badge{padding:7px 13px;font-size:12px;}
  .head-badge b{font-size:17px;}
  .anchor-list{flex-direction:column;}
  .anchor-list a{border-radius:var(--r-sm);}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
:root{
  --felt:#0B6E4F;
  --felt-deep:#063D2C;
  --cyan:#17A06B;
  --lime:#7ED957;
  --red:#E23A3A;
  --gold:#F2C14E;
  --bg:#F7F5EF;
  --bg-soft:#F1F7F3;
  --card:#FFFFFF;
  --dark:#0E1512;
  --text:#16211C;
  --text-weak:#5C6B64;
  --border:#E6E9E4;
  --grad:linear-gradient(135deg,#0B6E4F 0%,#17A06B 55%,#7ED957 100%);
  --r-xl:28px;
  --r-lg:24px;
  --r-md:18px;
  --r-img:16px;
  --r-in:12px;
  --sh:0 1px 2px rgba(11,110,79,.06),0 12px 32px rgba(14,21,18,.08);
  --sh-hover:0 18px 44px rgba(14,21,18,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease),background-color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);}
a:hover{color:var(--cyan);}
h1,h2,h3,h4{margin:0 0 14px;font-weight:700;line-height:1.3;color:var(--text);}
h1{font-size:clamp(30px,4.2vw,52px);line-height:1.25;letter-spacing:-.01em;}
h2{font-size:clamp(24px,3vw,36px);line-height:1.3;letter-spacing:-.005em;}
h3{font-size:20px;font-weight:600;line-height:1.4;}
h4{font-size:16px;font-weight:600;}
p{margin:0 0 18px;color:var(--text-weak);font-size:16.5px;line-height:1.85;}
.num{font-variant-numeric:tabular-nums;}
.container{width:100%;padding-left:16px;padding-right:16px;margin-left:auto;margin-right:auto;}
@media (min-width:768px){.container{padding-left:24px;padding-right:24px;}}
@media (min-width:1200px){.container{max-width:1180px;}}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(11,110,79,.35);border-radius:8px;}
::selection{background:rgba(23,160,107,.22);}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1040;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .18s var(--ease),background-color .18s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 10px 30px rgba(14,21,18,.08);}
.nav-wrap{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:74px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-icon{
  width:36px;height:36px;
  display:grid;place-items:center;
  border-radius:12px;
  background:var(--grad);
  color:#fff;
  font-size:18px;
  line-height:1;
  box-shadow:0 8px 18px rgba(11,110,79,.26);
}
.brand-text{
  font-size:19px;
  font-weight:700;
  color:var(--felt-deep);
  letter-spacing:-.01em;
  white-space:nowrap;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:12px;
}
.main-nav .nav-link{
  position:relative;
  padding:9px 12px;
  font-size:15px;
  font-weight:500;
  color:#3D4C45;
  border-radius:10px;
  white-space:nowrap;
}
.main-nav .nav-link:hover{color:var(--felt);background:var(--bg-soft);}
.main-nav .nav-link.active{color:var(--felt-deep);font-weight:600;}
.main-nav .nav-link.active::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--felt);
}
.nav-right{display:flex;align-items:center;gap:14px;margin-left:auto;}
.nav-search{
  display:flex;
  align-items:center;
  gap:8px;
  height:42px;
  padding:0 16px;
  border-radius:999px;
  border:1px solid var(--border);
  background:#fff;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.nav-search:focus-within{border-color:var(--felt);box-shadow:0 0 0 3px rgba(11,110,79,.14);}
.nav-search i{color:#93A29B;font-size:13px;}
.nav-search input{
  border:0;background:transparent;outline:none;
  width:132px;font-size:14px;color:var(--text);
  font-family:inherit;
}
.nav-search input::placeholder{color:#9AA8A1;}
.nav-login{font-size:15px;color:#3D4C45;font-weight:500;}
.nav-login:hover{color:var(--felt);}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  background:var(--grad);
  color:#fff;
  border:none;
  border-radius:999px;
  padding:13px 28px;
  font-size:15.5px;
  font-weight:600;
  font-family:inherit;
  line-height:1.2;
  min-height:46px;
  box-shadow:0 10px 24px rgba(11,110,79,.22);
  transition:filter .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
  cursor:pointer;
}
.btn-main:hover{color:#fff;filter:brightness(.92);transform:translateY(-2px);box-shadow:0 16px 34px rgba(11,110,79,.28);}
.btn-main:active{transform:translateY(0);filter:brightness(.96);}
.nav-cta{padding:12px 24px;min-height:48px;font-size:15px;}
.btn-outline-main{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  background:transparent;
  color:var(--felt);
  border:1.5px solid var(--felt);
  border-radius:999px;
  padding:12px 26px;
  font-size:15.5px;
  font-weight:600;
  font-family:inherit;
  min-height:46px;
  transition:background-color .22s var(--ease),transform .22s var(--ease),color .22s var(--ease);
  cursor:pointer;
}
.btn-outline-main:hover{background:var(--bg-soft);color:var(--felt);transform:translateY(-2px);}
.btn-outline-main:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  background:rgba(255,255,255,.12);
  color:#fff;
  border:1.5px solid rgba(255,255,255,.72);
  border-radius:999px;
  padding:13px 28px;
  font-size:15.5px;font-weight:600;
  min-height:46px;
  font-family:inherit;
  transition:background-color .22s var(--ease),transform .22s var(--ease);
  cursor:pointer;
}
.btn-ghost:hover{background:rgba(255,255,255,.22);color:#fff;transform:translateY(-2px);}
.nav-toggle{
  margin-left:auto;
  width:46px;height:46px;
  border-radius:14px;
  border:1px solid var(--border);
  background:#fff;
  color:var(--felt-deep);
  font-size:18px;
  display:grid;place-items:center;
  transition:background-color .22s var(--ease);
}
.nav-toggle:hover{background:var(--bg-soft);}

/* offcanvas 移动导航 */
.offcanvas.mobile-nav{background:var(--bg);width:320px;}
.mobile-nav .offcanvas-header{border-bottom:1px solid var(--border);padding:18px 22px;}
.mobile-nav .offcanvas-body{padding:20px 22px 28px;}
.mobile-nav .m-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 16px;
  border-radius:14px;
  font-size:16px;
  font-weight:500;
  color:#33413B;
  margin-bottom:8px;
  background:#fff;
  border:1px solid var(--border);
}
.mobile-nav .m-link.active{background:var(--bg-soft);border-color:rgba(11,110,79,.35);color:var(--felt-deep);font-weight:600;}
.mobile-nav .m-link i{color:#9AA8A1;font-size:13px;}
.mobile-search{
  display:flex;align-items:center;gap:10px;
  height:46px;padding:0 16px;border-radius:999px;
  border:1px solid var(--border);background:#fff;margin-bottom:16px;
}
.mobile-search input{border:0;outline:none;background:transparent;font-size:15px;width:100%;font-family:inherit;}
.mobile-actions{display:grid;gap:10px;margin-top:6px;}

/* ============ 分类页头 ============ */
.cat-hero{
  background:var(--bg-soft);
  border-bottom:1px solid var(--border);
  padding:52px 0 56px;
  position:relative;
  overflow:hidden;
}
.cat-hero::before{
  content:"";
  position:absolute;
  right:-120px;top:-140px;
  width:420px;height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(23,160,107,.16) 0%,rgba(23,160,107,0) 70%);
  pointer-events:none;
}
.breadcrumb-line{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:#7C8B84;margin-bottom:18px;
}
.breadcrumb-line a{color:#5B6A63;}
.breadcrumb-line a:hover{color:var(--felt);}
.breadcrumb-line .sep{color:#B8C4BD;}
.breadcrumb-line .cur{color:var(--felt);font-weight:600;}
.cat-hero h1{margin-bottom:16px;color:var(--felt-deep);}
.cat-hero .lead-txt{
  font-size:17px;
  color:#4E5D56;
  max-width:620px;
  margin-bottom:22px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.tag-pill{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 15px;
  border-radius:999px;
  background:#fff;
  border:1px solid var(--border);
  font-size:13.5px;
  color:#4E5D56;
}
.tag-pill i{color:var(--felt);font-size:12px;}
.hero-figure{
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh);
  position:relative;
  background:#fff;
}
.hero-figure img{
  width:100%;
  height:296px;
  object-fit:cover;
  border-radius:var(--r-lg);
  transition:transform .6s var(--ease);
}
.hero-figure:hover img{transform:scale(1.04);}
.hero-figure .fig-note{
  position:absolute;left:16px;bottom:16px;
  background:rgba(6,61,44,.86);
  color:#fff;
  font-size:13px;
  padding:8px 16px;
  border-radius:999px;
  backdrop-filter:blur(4px);
}

/* ============ 数据徽章 ============ */
.badge-band{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
  margin-top:-34px;
  position:relative;
  z-index:2;
}
.stat-card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--r-md);
  padding:22px 24px;
  box-shadow:var(--sh);
  transition:box-shadow .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
}
.stat-card:hover{border-color:rgba(11,110,79,.32);box-shadow:var(--sh-hover);transform:translateY(-3px);}
.stat-card .st-top{display:flex;align-items:center;gap:8px;margin-bottom:6px;}
.stat-card .st-top i{color:var(--cyan);font-size:14px;}
.stat-card .st-num{
  font-size:30px;font-weight:700;color:var(--felt-deep);
  font-variant-numeric:tabular-nums;line-height:1.15;letter-spacing:-.02em;
}
.stat-card .st-num small{font-size:15px;font-weight:600;margin-left:3px;color:var(--felt);}
.stat-card .st-label{font-size:13.5px;color:#7C8B84;margin-top:4px;}

/* ============ 通用板块 ============ */
.section{padding:88px 0;}
.section.tight{padding:72px 0;}
.section.soft{background:var(--bg-soft);}
.sec-head{max-width:720px;margin-bottom:44px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13.5px;font-weight:600;color:var(--felt);
  margin-bottom:14px;
  letter-spacing:.02em;
}
.eyebrow::before{
  content:"";width:22px;height:3px;border-radius:3px;background:var(--felt);
}
.sec-head p{margin-bottom:0;font-size:16.5px;}

/* ============ 步骤条 ============ */
.steps-wrap{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  padding:44px 32px 38px;
  box-shadow:var(--sh);
}
.steps{display:flex;align-items:flex-start;}
.step{
  flex:1 1 0;
  position:relative;
  padding:0 14px;
  text-align:center;
}
.step:not(:last-child)::after{
  content:"";
  position:absolute;
  top:27px;
  left:calc(50% + 40px);
  width:calc(100% - 80px);
  height:2px;
  background:linear-gradient(90deg,rgba(11,110,79,.35),rgba(23,160,107,.16));
  border-radius:2px;
}
.step-num{
  width:56px;height:56px;
  margin:0 auto 18px;
  border-radius:50%;
  display:grid;place-items:center;
  font-size:20px;font-weight:700;
  font-variant-numeric:tabular-nums;
  background:var(--bg-soft);
  color:var(--felt);
  border:2px solid rgba(11,110,79,.28);
  position:relative;
  z-index:1;
  transition:background-color .22s var(--ease),color .22s var(--ease),transform .22s var(--ease);
}
.step:hover .step-num{background:var(--felt);color:#fff;transform:translateY(-3px);}
.step h3{font-size:17px;margin-bottom:8px;color:var(--felt-deep);}
.step p{font-size:14px;line-height:1.75;margin-bottom:0;color:#6C7B74;}

/* ============ 图文块 ============ */
.split-figure{
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh);
}
.split-figure img{
  width:100%;height:100%;min-height:280px;
  object-fit:cover;
  border-radius:var(--r-lg);
  transition:transform .6s var(--ease);
}
.split-figure:hover img{transform:scale(1.04);}
.point-list{list-style:none;padding:0;margin:0;}
.point-list li{
  display:flex;gap:12px;
  padding:13px 0;
  border-bottom:1px dashed var(--border);
  font-size:15.5px;
  color:#46554E;
  line-height:1.75;
}
.point-list li:last-child{border-bottom:none;}
.point-list li i{color:var(--felt);font-size:15px;margin-top:5px;flex-shrink:0;}
.point-list li strong{color:var(--text);font-weight:600;}

/* ============ 统计维度表 ============ */
.metric-table{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--sh);
}
.metric-row{
  display:grid;
  grid-template-columns:1.05fr 2fr .95fr;
  gap:18px;
  padding:18px 26px;
  border-bottom:1px solid var(--border);
  align-items:center;
}
.metric-row:last-child{border-bottom:none;}
.metric-row.head{
  background:#E8F4EE;
  font-weight:600;
  font-size:14.5px;
  color:var(--felt-deep);
  padding:16px 26px;
}
.metric-row:nth-child(even):not(.head){background:var(--bg-soft);}
.metric-row .m-name{font-weight:600;color:var(--text);font-size:15.5px;display:flex;align-items:center;gap:9px;}
.metric-row .m-name i{color:var(--cyan);font-size:13px;}
.metric-row .m-desc{color:#5C6B64;font-size:15px;line-height:1.7;}
.metric-row .m-tag{
  justify-self:start;
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;
  border-radius:999px;
  background:var(--bg-soft);
  color:var(--felt);
  font-size:13px;
  font-weight:600;
}
.metric-row .m-tag.gold{background:rgba(242,193,78,.2);color:#8A6412;}

/* ============ 双列对比 ============ */
.compare-box{
  background:#fff;
  border:1px solid var(--border);
  border-left:4px solid var(--felt);
  border-radius:var(--r-md);
  padding:26px 28px;
  height:100%;
  box-shadow:var(--sh);
  transition:box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.compare-box:hover{box-shadow:var(--sh-hover);border-color:rgba(11,110,79,.32);border-left-color:var(--felt);}
.compare-box h3{margin-bottom:10px;color:var(--felt-deep);}
.compare-box p{font-size:15px;margin-bottom:14px;}
.compare-box .mini-num{
  font-size:34px;font-weight:700;color:var(--felt);
  font-variant-numeric:tabular-nums;line-height:1.1;letter-spacing:-.02em;
}
.compare-box .mini-num span{font-size:14px;color:#7C8B84;font-weight:500;margin-left:6px;letter-spacing:0;}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--r-md);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.faq-item:hover{border-color:rgba(11,110,79,.3);box-shadow:var(--sh);}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 26px;
  background:transparent;
  border:none;
  text-align:left;
  font-size:17px;
  font-weight:600;
  color:var(--text);
  font-family:inherit;
  cursor:pointer;
  position:relative;
  transition:color .22s var(--ease);
}
.faq-q::before{
  content:"";
  position:absolute;left:0;top:16px;bottom:16px;
  width:3px;border-radius:0 3px 3px 0;
  background:var(--felt);
  opacity:0;
  transition:opacity .22s var(--ease);
}
.faq-q[aria-expanded="true"]{color:var(--felt-deep);}
.faq-q[aria-expanded="true"]::before{opacity:1;}
.faq-q i{color:var(--felt);font-size:15px;transition:transform .28s var(--ease);flex-shrink:0;}
.faq-q[aria-expanded="true"] i{transform:rotate(90deg);}
.faq-a{
  padding:0 26px 22px;
  font-size:15px;
  line-height:1.85;
  color:#5C6B64;
}
.faq-a p{margin:0;font-size:15px;line-height:1.85;color:#5C6B64;}

/* ============ CTA 大卡 ============ */
.cta-card{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-xl);
  background:var(--grad);
  padding:52px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  box-shadow:0 24px 56px rgba(11,110,79,.24);
}
.cta-card::after{
  content:"♠";
  position:absolute;
  right:36px;bottom:-52px;
  font-size:220px;
  line-height:1;
  color:#fff;
  opacity:.08;
  pointer-events:none;
}
.cta-card h2{color:#fff;margin-bottom:10px;font-size:clamp(23px,2.6vw,32px);}
.cta-card p{color:rgba(255,255,255,.88);margin-bottom:0;font-size:16px;max-width:620px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1;flex-shrink:0;}
.cta-card .btn-white{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  background:#fff;color:var(--felt-deep);
  border:none;border-radius:999px;
  padding:14px 30px;font-size:15.5px;font-weight:700;
  min-height:48px;font-family:inherit;cursor:pointer;
  box-shadow:0 10px 24px rgba(6,61,44,.22);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.cta-card .btn-white:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(6,61,44,.28);color:var(--felt-deep);}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:88px;
  background:linear-gradient(180deg,#063D2C 0%,#0E1512 100%);
  color:rgba(255,255,255,.7);
  padding:66px 0 26px;
  font-size:14px;
}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.foot-brand .brand-icon{
  width:32px;height:32px;border-radius:10px;font-size:16px;
  background:rgba(255,255,255,.12);
  color:var(--lime);
  box-shadow:none;
  display:grid;place-items:center;
}
.foot-brand-name{
  font-size:20px;font-weight:700;color:#fff;letter-spacing:-.01em;
}
.foot-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:340px;margin:0;}
.foot-col h4{
  font-size:14px;font-weight:600;color:#fff;
  margin-bottom:16px;letter-spacing:.02em;
}
.foot-links{display:flex;flex-direction:column;gap:11px;}
.foot-links a{
  font-size:14px;color:rgba(255,255,255,.7);
  transition:color .22s var(--ease),transform .22s var(--ease);
  display:inline-block;
}
.foot-links a:hover{color:var(--lime);transform:translateX(2px);}
.foot-contact{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:12px;}
.foot-contact li{font-size:14px;color:rgba(255,255,255,.72);line-height:1.7;}
.foot-contact .k{
  display:block;font-size:12.5px;color:rgba(255,255,255,.45);margin-bottom:2px;
}
.foot-bottom{
  margin-top:46px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
  font-size:13px;
  color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .main-nav .nav-link{padding:9px 9px;font-size:14.5px;}
  .nav-search input{width:104px;}
}
@media (max-width:991.98px){
  .nav-wrap{min-height:66px;}
  .section{padding:64px 0;}
  .section.tight{padding:56px 0;}
  .cat-hero{padding:38px 0 44px;}
  .badge-band{grid-template-columns:repeat(2,1fr);margin-top:-26px;gap:14px;}
  .steps-wrap{padding:34px 22px 30px;}
  .steps{flex-wrap:wrap;}
  .step{flex:0 0 50%;max-width:50%;margin-bottom:28px;}
  .step:not(:last-child)::after{display:none;}
  .cta-card{flex-direction:column;align-items:flex-start;padding:42px 32px;}
  .cta-card::after{font-size:170px;right:16px;bottom:-46px;}
  .metric-row{grid-template-columns:1fr 1.6fr .8fr;gap:12px;padding:16px 20px;}
}
@media (max-width:767.98px){
  body{font-size:15.5px;}
  h3{font-size:18.5px;}
  .section{padding:48px 0;}
  .section.tight{padding:44px 0;}
  .site-footer{margin-top:56px;padding-top:48px;}
  .badge-band{grid-template-columns:1fr;margin-top:-20px;}
  .stat-card{padding:18px 20px;}
  .stat-card .st-num{font-size:26px;}
  .hero-figure img{height:230px;}
  .steps-wrap{padding:26px 18px 22px;}
  .steps{flex-direction:column;}
  .step{
    flex:1 1 auto;max-width:100%;width:100%;
    display:flex;gap:16px;text-align:left;
    padding:0 0 26px 0;
    margin-bottom:0;
  }
  .step:not(:last-child)::after{
    display:block;
    top:60px;
    left:27px;
    width:2px;
    height:calc(100% - 60px);
    background:linear-gradient(180deg,rgba(11,110,79,.35),rgba(23,160,107,.12));
    border-radius:2px;
  }
  .step-num{margin:0;flex-shrink:0;width:54px;height:54px;font-size:18px;}
  .step-body{padding-top:6px;}
  .cta-card{padding:34px 24px;border-radius:var(--r-lg);}
  .cta-card::after{font-size:130px;opacity:.07;}
  .cta-actions{width:100%;}
  .cta-actions .btn-white,
  .cta-actions .btn-ghost{width:100%;}
  .metric-table{border-radius:var(--r-md);}
  .metric-row.head{display:none;}
  .metric-row{
    grid-template-columns:1fr;
    gap:8px;
    padding:18px 20px;
  }
  .metric-row:nth-child(even){background:#fff;}
  .metric-row:nth-child(odd):not(.head){background:var(--bg-soft);}
  .metric-row .m-tag{justify-self:start;}
  .compare-box{padding:22px 22px;}
  .faq-q{padding:17px 20px;font-size:16px;}
  .faq-a{padding:0 20px 20px;}
  .foot-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:575.98px){
  .brand-text{font-size:17px;}
  .brand-icon{width:32px;height:32px;font-size:16px;border-radius:10px;}
  .cat-hero h1{margin-bottom:12px;}
  .cat-hero .lead-txt{font-size:15.5px;}
  .hero-figure img{height:200px;border-radius:var(--r-md);}
  .hero-figure{border-radius:var(--r-md);}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category3 */
:root{
  --felt:#0B6E4F;
  --felt-deep:#063D2C;
  --mint:#17A06B;
  --lime:#7ED957;
  --red:#E23A3A;
  --gold:#F2C14E;
  --bg:#F7F5EF;
  --bg-soft:#F1F7F3;
  --surface:#FFFFFF;
  --dark:#0E1512;
  --ink:#101C17;
  --ink-2:#3A4A44;
  --muted:#6E7C76;
  --border:#E6E9E4;
  --grad:linear-gradient(135deg,#0B6E4F 0%,#17A06B 55%,#7ED957 100%);
  --r-xl:28px;
  --r-lg:24px;
  --r-md:18px;
  --r-img:16px;
  --r-input:12px;
  --pill:999px;
  --sh-sm:0 1px 2px rgba(11,110,79,.06),0 6px 18px rgba(14,21,18,.05);
  --sh:0 1px 2px rgba(11,110,79,.06),0 12px 32px rgba(14,21,18,.08);
  --sh-hover:0 18px 44px rgba(14,21,18,.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","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink-2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;}
h1{font-size:clamp(30px,4.2vw,52px);line-height:1.25;}
h2{font-size:clamp(24px,3vw,36px);line-height:1.3;}
h3{font-size:20px;font-weight:600;line-height:1.4;}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
a{color:var(--felt);text-decoration:none;transition:color var(--t),transform var(--t);}
a:hover{color:var(--mint);}
img{max-width:100%;display:block;}
ul,ol{margin:0;}
button{font-family:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:none;
  box-shadow:0 0 0 3px rgba(11,110,79,.35);
  border-radius:10px;
}
.container{--bs-gutter-x:2.5rem;}
.row{--bs-gutter-x:1.5rem;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--border);
  transition:box-shadow 180ms ease,background 180ms ease;
}
.site-header.is-scrolled{box-shadow:0 10px 28px rgba(14,21,18,.09);background:rgba(255,255,255,.97);}
.nav-inner{display:flex;align-items:center;gap:22px;min-height:74px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand:hover{color:var(--felt);}
.brand-icon{
  width:36px;height:36px;border-radius:12px;
  background:var(--grad);
  color:#fff;font-size:16px;
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(11,110,79,.22);
  flex:0 0 auto;
}
.brand-text{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.2px;white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:22px;margin-left:8px;}
.main-nav .nav-link{
  position:relative;
  display:inline-block;
  padding:8px 0;
  font-size:15px;
  font-weight:500;
  color:var(--ink-2);
  white-space:nowrap;
  background:none;
}
.main-nav .nav-link:hover{color:var(--felt);}
.main-nav .nav-link.active{color:var(--felt);font-weight:600;}
.main-nav .nav-link.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  border-radius:2px;background:var(--felt);
}
.nav-right{display:flex;align-items:center;gap:14px;margin-left:auto;}
.nav-search{position:relative;display:flex;align-items:center;}
.nav-search input{
  width:186px;height:42px;
  border-radius:var(--pill);
  border:1px solid var(--border);
  background:#fff;
  padding:0 42px 0 18px;
  font-size:14px;color:var(--ink-2);
  transition:border-color var(--t),box-shadow var(--t);
}
.nav-search input::placeholder{color:#9AA8A2;}
.nav-search input:focus{border-color:var(--felt);box-shadow:0 0 0 3px rgba(11,110,79,.14);outline:none;}
.nav-search i{position:absolute;right:16px;color:var(--muted);font-size:14px;pointer-events:none;}
.nav-login{font-size:15px;color:var(--ink-2);font-weight:500;}
.nav-login:hover{color:var(--felt);}
.nav-toggle{
  width:44px;height:44px;flex:0 0 auto;
  margin-left:auto;
  border-radius:14px;
  border:1px solid var(--border);
  background:#fff;color:var(--ink);
  font-size:17px;
  display:inline-flex;align-items:center;justify-content:center;
  transition:border-color var(--t),color var(--t);
}
.nav-toggle:hover{border-color:var(--felt);color:var(--felt);}

/* ============ 按钮 ============ */
.btn-grad{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--grad);
  color:#fff;font-weight:600;font-size:15px;line-height:1.2;
  border:none;border-radius:var(--pill);
  padding:13px 26px;min-height:46px;
  box-shadow:0 10px 22px rgba(11,110,79,.24);
  transition:transform var(--t),box-shadow var(--t),filter var(--t);
}
.btn-grad:hover{color:#fff;filter:brightness(.92);transform:translateY(-2px);box-shadow:0 16px 30px rgba(11,110,79,.3);}
.btn-grad:active{transform:translateY(0);filter:brightness(.88);}
.btn-grad:focus-visible{box-shadow:0 0 0 3px rgba(11,110,79,.35);}
.btn-nav{padding:11px 22px;font-size:14.5px;min-height:44px;}
.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1.5px solid var(--felt);
  color:var(--felt);background:transparent;
  border-radius:var(--pill);
  padding:12px 26px;min-height:46px;
  font-weight:600;font-size:15px;
  transition:background var(--t),color var(--t),transform var(--t);
}
.btn-line:hover{background:var(--bg-soft);color:var(--felt-deep);transform:translateY(-1px);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1.5px solid rgba(255,255,255,.72);
  color:#fff;background:transparent;
  border-radius:var(--pill);
  padding:12px 26px;min-height:46px;
  font-weight:600;font-size:15px;
  transition:background var(--t),color var(--t),transform var(--t);
}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-1px);}

/* ============ 移动端导航 ============ */
.offcanvas{border-radius:0;}
.offcanvas-header{border-bottom:1px solid var(--border);}
.mobile-nav{display:grid;gap:4px;margin-top:4px;}
.mobile-nav a{
  display:flex;align-items:center;min-height:48px;
  padding:12px 16px;border-radius:14px;
  font-size:16px;font-weight:500;color:var(--ink-2);
}
.mobile-nav a:hover{background:var(--bg-soft);color:var(--felt);}
.mobile-nav a.active{background:rgba(11,110,79,.1);color:var(--felt);font-weight:600;}

/* ============ 页头 ============ */
.page-hero{
  position:relative;
  background:var(--bg-soft);
  padding:44px 0 68px;
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;right:-140px;top:-160px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(23,160,107,.18),rgba(23,160,107,0) 70%);
  pointer-events:none;
}
.crumbs{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13.5px;color:var(--muted);margin-bottom:22px;
}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--felt);}
.crumbs .sep{opacity:.55;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(11,110,79,.1);color:var(--felt);
  border-radius:var(--pill);
  padding:6px 15px;
  font-size:13.5px;font-weight:600;
  margin-bottom:16px;
}
.page-hero h1{margin-bottom:16px;position:relative;}
.page-hero-desc{
  font-size:17px;color:#4A5A54;line-height:1.9;
  max-width:600px;margin-bottom:0;
}
.hero-shot{
  border-radius:20px;
  overflow:hidden;
  box-shadow:var(--sh);
}
.hero-shot img{
  width:100%;height:320px;object-fit:cover;border-radius:20px;
  transition:transform 600ms cubic-bezier(.2,.7,.3,1);
}
.hero-shot:hover img{transform:scale(1.04);}

/* ============ 数据徽章带 ============ */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  margin-top:40px;position:relative;
}
.stat-badge{
  display:grid;gap:6px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-md);
  padding:20px 22px;
  box-shadow:var(--sh-sm);
  transition:box-shadow var(--t),transform var(--t),border-color var(--t);
}
.stat-badge:hover{box-shadow:var(--sh);transform:translateY(-3px);border-color:rgba(11,110,79,.3);}
.stat-badge i{color:var(--mint);font-size:16px;}
.stat-badge .num{
  font-size:28px;font-weight:700;color:var(--felt);
  line-height:1.15;font-variant-numeric:tabular-nums;
}
.stat-badge .lbl{font-size:13.5px;color:var(--muted);line-height:1.55;}

/* ============ 通用板块 ============ */
.section{padding:88px 0;}
.section-soft{background:var(--bg-soft);}
.section-dark{background:var(--dark);color:rgba(255,255,255,.76);}
.section-dark h2{color:#fff;}
.kicker{
  display:inline-block;font-size:13.5px;font-weight:600;
  color:var(--felt);letter-spacing:.06em;margin-bottom:12px;
}
.section-dark .kicker{color:var(--lime);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:16.5px;margin:0;}
.section-dark .section-head p{color:rgba(255,255,255,.66);}

/* ============ 对比表 ============ */
.cmp-wrap{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  box-shadow:var(--sh);
  overflow:hidden;
}
.cmp-table{width:100%;border-collapse:collapse;}
.cmp-table caption{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);}
.cmp-table thead th{
  background:var(--felt);
  color:#fff;text-align:left;
  font-size:15px;font-weight:600;
  padding:18px 22px;
  white-space:nowrap;
}
.cmp-table thead th:first-child{background:#095A40;width:19%;}
.cmp-table tbody td{
  padding:18px 22px;
  border-bottom:1px solid var(--border);
  font-size:15px;color:var(--ink-2);vertical-align:top;
  line-height:1.75;
}
.cmp-table tbody tr:last-child td{border-bottom:none;}
.cmp-table tbody tr{transition:background var(--t);}
.cmp-table tbody tr:hover td{background:#F7FBF9;}
.cmp-table td.row-dim{
  font-weight:600;color:var(--ink);background:#FCFDFC;font-size:15px;
}
.cmp-table td .num{font-variant-numeric:tabular-nums;font-weight:600;color:var(--felt);}
.tag-gold{
  display:inline-flex;align-items:center;gap:5px;
  background:rgba(242,193,78,.22);
  border:1px solid rgba(242,193,78,.6);
  color:#8A6412;
  border-radius:var(--pill);
  font-size:12px;font-weight:600;
  padding:2px 10px;margin-left:8px;
  vertical-align:middle;white-space:nowrap;
}
.cmp-note{
  margin-top:20px;font-size:14px;color:var(--muted);
  display:flex;align-items:flex-start;gap:10px;
}
.cmp-note i{color:var(--mint);margin-top:5px;}

/* ============ 图文分栏 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;}
.frame{border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh);}
.frame img{
  width:100%;height:340px;object-fit:cover;border-radius:var(--r-md);
  transition:transform 600ms cubic-bezier(.2,.7,.3,1);
}
.frame:hover img{transform:scale(1.04);}
.split h2{margin-bottom:16px;}
.split .lead{font-size:16.5px;color:var(--muted);margin-bottom:24px;}
.check-list{list-style:none;padding:0;display:grid;gap:16px;}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:16px;color:var(--ink-2);}
.check-list li i{color:var(--mint);margin-top:7px;font-size:14px;flex:0 0 auto;}
.check-list li strong{color:var(--ink);font-weight:600;}

/* ============ 深色流程 ============ */
.flow{display:grid;margin-top:12px;}
.flow-item{
  display:grid;grid-template-columns:60px 1fr;gap:22px;
  padding:26px 0;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.flow-item:last-child{border-bottom:none;}
.flow-num{
  width:50px;height:50px;border-radius:50%;
  border:1.5px solid rgba(255,255,255,.28);
  color:var(--lime);
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:18px;
  font-variant-numeric:tabular-nums;
}
.flow h3{color:#fff;font-size:18px;margin-bottom:8px;}
.flow p{margin:0;font-size:15px;line-height:1.85;color:rgba(255,255,255,.66);}

/* ============ FAQ ============ */
.acc{max-width:860px;margin:0 auto;}
.acc .accordion-item{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-md);
  margin-bottom:14px;
  overflow:hidden;
  box-shadow:var(--sh-sm);
}
.acc .accordion-button{
  position:relative;
  display:flex;align-items:center;gap:14px;
  width:100%;
  padding:20px 22px;
  font-size:17px;font-weight:600;color:var(--ink);
  background:var(--surface);
  border:none;box-shadow:none;
  transition:color var(--t),background var(--t);
}
.acc .accordion-button:not(.collapsed){color:var(--felt);background:#FBFDFC;}
.acc .accordion-button::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;
  border-radius:3px;background:var(--felt);opacity:0;
  transition:opacity var(--t);
}
.acc .accordion-button:not(.collapsed)::before{opacity:1;}
.acc .accordion-button::after{
  content:"\f078";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  font-size:13px;color:var(--felt);
  background-image:none;
  width:auto;height:auto;
  margin-left:auto;
  transition:transform var(--t);
}
.acc .accordion-button:not(.collapsed)::after{transform:rotate(180deg);}
.acc .accordion-button:focus{box-shadow:0 0 0 3px rgba(11,110,79,.2);}
.acc .accordion-body{
  padding:0 22px 22px 22px;
  font-size:15px;line-height:1.85;color:var(--muted);
}

/* ============ 底部 CTA ============ */
.cta-card{
  position:relative;overflow:hidden;
  background:var(--grad);
  border-radius:var(--r-xl);
  padding:54px 56px;
  color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  box-shadow:0 26px 60px rgba(11,110,79,.24);
}
.cta-card::after{
  content:"♠";
  position:absolute;right:44px;bottom:-56px;
  font-size:230px;line-height:1;
  color:rgba(255,255,255,.08);
  pointer-events:none;
}
.cta-card h2{color:#fff;margin-bottom:12px;position:relative;}
.cta-card p{color:rgba(255,255,255,.88);margin:0;max-width:620px;font-size:16.5px;position:relative;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;flex:0 0 auto;}
.cta-card .btn-grad{background:#fff;color:var(--felt);box-shadow:0 12px 26px rgba(6,61,44,.24);}
.cta-card .btn-grad:hover{background:#fff;color:var(--felt-deep);filter:none;transform:translateY(-2px);}

/* ============ 页脚 ============ */
.site-footer{
  background:linear-gradient(180deg,#063D2C 0%,#0E1512 100%);
  color:rgba(255,255,255,.7);
  padding:76px 0 0;
  margin-top:88px;
}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.foot-brand .brand-icon{
  width:36px;height:36px;border-radius:12px;
  background:rgba(255,255,255,.12);
  color:var(--lime);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:16px;box-shadow:none;
}
.foot-brand-name{color:#fff;font-size:20px;font-weight:700;}
.foot-desc{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.62);margin:0;}
.foot-col h4{
  font-size:14px;font-weight:600;color:#fff;
  margin-bottom:18px;letter-spacing:.04em;
}
.foot-links{display:grid;gap:11px;}
.foot-links a{font-size:14px;color:rgba(255,255,255,.7);display:inline-block;}
.foot-links a:hover{color:var(--lime);transform:translateX(2px);}
.foot-contact{list-style:none;padding:0;display:grid;gap:14px;}
.foot-contact li{display:grid;gap:3px;font-size:14px;color:rgba(255,255,255,.72);}
.foot-contact .k{font-size:12.5px;color:rgba(255,255,255,.45);}
.foot-bottom{
  margin-top:58px;
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0 30px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .main-nav{gap:14px;}
  .main-nav .nav-link{font-size:14.5px;}
  .brand-text{font-size:16px;}
}
@media (max-width:991.98px){
  .section{padding:64px 0;}
  .page-hero{padding:34px 0 56px;}
  .split{grid-template-columns:1fr;gap:30px;}
  .frame img{height:280px;}
  .cta-card{flex-direction:column;align-items:flex-start;padding:42px 30px;}
  .cta-card::after{font-size:170px;right:-20px;bottom:-40px;}
  .hero-shot img{height:260px;}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .section{padding:48px 0;}
  .page-hero-desc{font-size:16px;}
  .section-head{margin-bottom:32px;}
  .cmp-wrap{background:transparent;border:none;box-shadow:none;border-radius:0;overflow:visible;}
  .cmp-table,.cmp-table thead,.cmp-table tbody,.cmp-table tr,.cmp-table td{display:block;width:100%;}
  .cmp-table thead{display:none;}
  .cmp-table tbody tr{
    background:var(--surface);
    border:1px solid var(--border);
    border-radius:var(--r-img);
    box-shadow:var(--sh-sm);
    padding:6px 0 10px;
    margin-bottom:14px;
  }
  .cmp-table tbody td{
    display:flex;justify-content:space-between;align-items:flex-start;gap:16px;
    border:none;padding:10px 18px;font-size:14.5px;
  }
  .cmp-table tbody td::before{
    content:attr(data-label);
    flex:0 0 auto;
    color:var(--muted);font-size:13px;font-weight:600;
  }
  .cmp-table tbody td.row-dim{
    font-size:16px;color:var(--felt);font-weight:700;
    background:transparent;
    border-bottom:1px dashed var(--border);
    padding-bottom:13px;margin-bottom:5px;
  }
  .cmp-table tbody td.row-dim::before{content:"对比维度";}
  .cmp-table tbody tr:hover td{background:transparent;}
  .flow-item{grid-template-columns:46px 1fr;gap:16px;padding:22px 0;}
  .flow-num{width:42px;height:42px;font-size:16px;}
  .foot-bottom{flex-direction:column;gap:6px;}
  .site-footer{margin-top:64px;padding-top:56px;}
}
@media (max-width:575.98px){
  .stat-strip{grid-template-columns:1fr;}
  .page-hero h1{font-size:28px;}
  .btn-grad,.btn-line,.btn-ghost{width:100%;}
  .cta-actions{width:100%;}
  .cmp-table tbody td{flex-direction:column;gap:4px;}
  .cmp-table tbody td::before{font-size:12.5px;}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
}

/* roulang page: category4 */
:root{
  --felt:#0B6E4F;
  --felt-dark:#063D2C;
  --teal:#17A06B;
  --lime:#7ED957;
  --red:#E23A3A;
  --gold:#F2C14E;
  --bg:#F7F5EF;
  --card:#FFFFFF;
  --soft:#F1F7F3;
  --dark:#0E1512;
  --text:#14211C;
  --muted:#5B6B63;
  --line:#E6E9E4;
  --grad:linear-gradient(135deg,#0B6E4F 0%,#17A06B 55%,#7ED957 100%);
  --r-lg:24px;
  --r:18px;
  --r-img:16px;
  --r-input:12px;
  --sh:0 1px 2px rgba(11,110,79,.06),0 12px 32px rgba(14,21,18,.08);
  --sh-hover:0 18px 44px rgba(14,21,18,.14);
  --t:220ms cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:var(--felt);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--teal)}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(11,110,79,.35);outline-offset:2px}
.container{padding-left:20px;padding-right:20px}
@media (min-width:1200px){.container{max-width:1180px}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(8px);
  -webkit-backdrop-filter:saturate(180%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t),background var(--t);
}
.site-header.is-scrolled{box-shadow:var(--sh)}
.header-inner{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:74px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  color:var(--text);
}
.brand:hover{color:var(--felt)}
.brand-icon{
  width:36px;height:36px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;
  background:var(--grad);
  color:#fff;
  font-size:17px;
  line-height:1;
  box-shadow:0 6px 16px rgba(11,110,79,.28);
}
.brand-text{
  font-size:17px;
  font-weight:700;
  letter-spacing:.2px;
  white-space:nowrap;
}
.main-nav{
  align-items:center;
  gap:4px;
  margin-left:8px;
  flex:1 1 auto;
}
.main-nav .nav-link{
  position:relative;
  padding:10px 12px;
  font-size:15px;
  font-weight:500;
  color:#3A4A43;
  border-radius:999px;
  white-space:nowrap;
  transition:color var(--t),background var(--t);
}
.main-nav .nav-link:hover{color:var(--felt);background:rgba(11,110,79,.06)}
.main-nav .nav-link.active{color:var(--felt-dark);font-weight:600}
.main-nav .nav-link.active::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--felt);
}
.header-right{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
}
.nav-search{
  display:flex;
  align-items:center;
  gap:8px;
  height:42px;
  padding:0 16px;
  border:1px solid var(--line);
  background:#fff;
  border-radius:999px;
  transition:border-color var(--t),box-shadow var(--t);
}
.nav-search:focus-within{
  border-color:var(--felt);
  box-shadow:0 0 0 4px rgba(11,110,79,.12);
}
.nav-search svg{flex-shrink:0;color:var(--muted)}
.nav-search input{
  border:0;
  outline:none;
  background:transparent;
  font-size:14px;
  width:132px;
  color:var(--text);
}
.nav-search input::placeholder{color:#93A29A}
.nav-login{
  font-size:15px;
  font-weight:500;
  color:#3A4A43;
  padding:10px 6px;
  white-space:nowrap;
}
.nav-login:hover{color:var(--felt)}
.btn-grad{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 26px;
  border:0;
  border-radius:999px;
  background:var(--grad);
  color:#fff;
  font-size:15px;
  font-weight:600;
  letter-spacing:.2px;
  box-shadow:0 10px 24px rgba(11,110,79,.26);
  transition:transform var(--t),box-shadow var(--t),filter var(--t);
  white-space:nowrap;
}
.btn-grad:hover{color:#fff;transform:translateY(-2px);filter:brightness(.92);box-shadow:0 16px 34px rgba(11,110,79,.32)}
.btn-grad:active{transform:translateY(0)}
.btn-nav{min-height:44px;padding:0 22px;font-size:14px}
.btn-outline-felt{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 24px;
  border:1.5px solid var(--felt);
  border-radius:999px;
  background:transparent;
  color:var(--felt);
  font-size:15px;
  font-weight:600;
  transition:background var(--t),transform var(--t),color var(--t);
}
.btn-outline-felt:hover{background:var(--soft);color:var(--felt-dark);transform:translateY(-2px)}
.btn-outline-felt:active{transform:translateY(0)}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 24px;
  border:1.5px solid rgba(255,255,255,.7);
  border-radius:999px;
  background:transparent;
  color:#fff;
  font-size:15px;
  font-weight:600;
  transition:background var(--t),color var(--t),transform var(--t);
}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px)}
.nav-toggle{
  width:46px;height:46px;
  margin-left:auto;
  border:1px solid var(--line);
  border-radius:14px;
  background:#fff;
  display:inline-flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  transition:border-color var(--t);
}
.nav-toggle span{
  display:block;
  width:20px;height:2px;
  border-radius:2px;
  background:var(--felt-dark);
}
.nav-toggle:hover{border-color:var(--felt)}

/* ============ 移动端侧滑 ============ */
.site-offcanvas{width:320px;max-width:88vw;background:#fff}
.site-offcanvas .offcanvas-header{
  border-bottom:1px solid var(--line);
  padding:18px 20px;
}
.site-offcanvas .offcanvas-body{padding:20px;display:flex;flex-direction:column;gap:6px}
.m-nav-link{
  display:flex;
  align-items:center;
  min-height:48px;
  padding:0 14px;
  border-radius:14px;
  font-size:16px;
  font-weight:500;
  color:#3A4A43;
  transition:background var(--t),color var(--t);
}
.m-nav-link:hover{background:var(--soft);color:var(--felt)}
.m-nav-link.active{
  background:var(--soft);
  color:var(--felt-dark);
  font-weight:600;
  border-left:3px solid var(--felt);
  border-radius:6px 14px 14px 6px;
}
.offcanvas-close{
  width:40px;height:40px;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  color:var(--felt-dark);
  font-size:18px;
  line-height:1;
}
.offcanvas-close:hover{border-color:var(--felt)}

/* ============ 分类页头部 ============ */
.page-hero{
  position:relative;
  overflow:hidden;
  background:var(--soft);
  padding:64px 0 72px;
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-120px;top:-140px;
  width:460px;height:460px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(23,160,107,.20) 0%,rgba(23,160,107,0) 68%);
  pointer-events:none;
}
.breadcrumb-custom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--muted);
  margin-bottom:18px;
}
.breadcrumb-custom a{color:var(--muted)}
.breadcrumb-custom a:hover{color:var(--felt)}
.breadcrumb-custom .sep{color:#B6C2BB}
.breadcrumb-custom .current{color:var(--felt-dark);font-weight:600}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 16px;
  border-radius:999px;
  background:#fff;
  border:1px solid rgba(11,110,79,.18);
  color:var(--felt);
  font-size:13px;
  font-weight:600;
  letter-spacing:.4px;
  margin-bottom:16px;
}
.page-hero h1{
  font-size:clamp(30px,4.2vw,48px);
  line-height:1.25;
  font-weight:700;
  color:var(--felt-dark);
  margin-bottom:16px;
}
.hero-sub{
  font-size:17px;
  line-height:1.85;
  color:#3F5148;
  max-width:620px;
  margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-figure{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh);
}
.hero-figure img{
  width:100%;
  height:320px;
  object-fit:cover;
  border-radius:var(--r-lg);
  transition:transform 600ms cubic-bezier(.2,.7,.3,1);
}
.hero-figure:hover img{transform:scale(1.04)}
.hero-float{
  position:absolute;
  left:18px;bottom:18px;
  display:flex;
  align-items:center;
  gap:10px;
  padding:12px 18px;
  border-radius:999px;
  background:rgba(255,255,255,.95);
  box-shadow:var(--sh);
  font-size:13px;
  color:var(--muted);
}
.hero-float strong{
  font-size:19px;
  font-weight:700;
  color:var(--felt-dark);
  font-variant-numeric:tabular-nums;
}

/* ============ 通用板块 ============ */
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section-soft{background:var(--soft)}
.section-title{
  font-size:clamp(24px,3vw,34px);
  line-height:1.3;
  color:var(--felt-dark);
  margin-bottom:14px;
}
.section-lead{
  font-size:16px;
  color:var(--muted);
  max-width:720px;
  margin-bottom:44px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:1px;
  color:var(--felt);
  margin-bottom:12px;
}
.eyebrow::before{
  content:"";
  width:22px;height:2px;
  border-radius:2px;
  background:var(--felt);
}

/* ============ 图文交替 ============ */
.media-row+.media-row{margin-top:72px}
.media-figure{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh);
}
.media-figure img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--r-lg);
  transition:transform 600ms cubic-bezier(.2,.7,.3,1);
}
.media-figure:hover img{transform:scale(1.04)}
.media-body{padding:6px 0}
.num-outline{
  display:block;
  font-size:64px;
  font-weight:800;
  line-height:1;
  letter-spacing:2px;
  color:transparent;
  -webkit-text-stroke:1.6px rgba(11,110,79,.55);
  font-variant-numeric:tabular-nums;
  margin-bottom:14px;
}
.media-body h3{
  font-size:22px;
  color:var(--felt-dark);
  margin-bottom:14px;
}
.media-body p{color:#41524A;margin-bottom:18px}
.point-list li{
  position:relative;
  padding-left:30px;
  margin-bottom:12px;
  font-size:15.5px;
  color:#41524A;
  line-height:1.8;
}
.point-list li::before{
  content:"";
  position:absolute;
  left:0;top:9px;
  width:16px;height:16px;
  border-radius:50%;
  background:rgba(11,110,79,.10);
  border:1.5px solid var(--felt);
}
.point-list li::after{
  content:"";
  position:absolute;
  left:5px;top:14px;
  width:6px;height:3px;
  border-left:1.5px solid var(--felt);
  border-bottom:1.5px solid var(--felt);
  transform:rotate(-45deg);
}

/* ============ 数据徽章带 ============ */
.stat-band{
  margin:72px 0;
  padding:36px 28px;
  border-radius:var(--r-lg);
  background:#fff;
  border:1px solid var(--line);
  box-shadow:var(--sh);
}
.stat-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.stat-chip{
  display:flex;
  align-items:center;
  gap:14px;
  padding:18px 20px;
  border-radius:var(--r);
  background:var(--soft);
  border-left:4px solid var(--felt);
  transition:box-shadow var(--t),transform var(--t);
}
.stat-chip:hover{box-shadow:var(--sh);transform:translateY(-2px)}
.stat-chip .ico{
  width:40px;height:40px;
  flex-shrink:0;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:#fff;
  color:var(--felt);
  border:1px solid rgba(11,110,79,.16);
}
.stat-chip .val{
  display:block;
  font-size:24px;
  font-weight:700;
  color:var(--felt-dark);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.stat-chip .lab{
  display:block;
  font-size:13px;
  color:var(--muted);
  line-height:1.5;
}

/* ============ 双列对比 ============ */
.compare-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.compare-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px;
  box-shadow:var(--sh);
  transition:box-shadow var(--t),border-color var(--t),transform var(--t);
}
.compare-card:hover{box-shadow:var(--sh-hover);border-color:rgba(11,110,79,.3);transform:translateY(-3px)}
.compare-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-bottom:16px;
  margin-bottom:18px;
  border-bottom:1px solid var(--line);
}
.compare-head h3{font-size:19px;color:var(--felt-dark)}
.pill-badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  border-radius:999px;
  background:rgba(242,193,78,.18);
  color:#8A6410;
  border:1px solid rgba(242,193,78,.55);
  font-size:12px;
  font-weight:600;
  white-space:nowrap;
}
.compare-row{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:18px;
  padding:12px 0;
  border-bottom:1px dashed var(--line);
  font-size:15px;
}
.compare-row:last-child{border-bottom:0}
.compare-row .k{color:var(--muted);flex-shrink:0}
.compare-row .v{color:var(--text);font-weight:600;text-align:right}

/* ============ 检查清单 ============ */
.checklist{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:18px;
  margin-top:36px;
}
.check-item{
  display:flex;
  gap:14px;
  padding:22px 24px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r);
  transition:box-shadow var(--t),border-color var(--t);
}
.check-item:hover{box-shadow:var(--sh);border-color:rgba(11,110,79,.3)}
.check-item .mark{
  width:26px;height:26px;
  flex-shrink:0;
  border-radius:50%;
  background:var(--grad);
  color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;
  font-weight:700;
  margin-top:3px;
}
.check-item h4{font-size:16px;color:var(--felt-dark);margin-bottom:6px}
.check-item p{font-size:14.5px;color:var(--muted);line-height:1.75}

/* ============ 版本节奏时间线 ============ */
.timeline{
  position:relative;
  margin-top:20px;
  padding-left:28px;
}
.timeline::before{
  content:"";
  position:absolute;
  left:7px;top:8px;bottom:8px;
  width:2px;
  background:linear-gradient(180deg,var(--felt),rgba(11,110,79,.12));
  border-radius:2px;
}
.tl-item{position:relative;padding:0 0 28px 22px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";
  position:absolute;
  left:-28px;top:7px;
  width:16px;height:16px;
  border-radius:50%;
  background:#fff;
  border:3px solid var(--felt);
}
.tl-item h4{font-size:17px;color:var(--felt-dark);margin-bottom:6px}
.tl-item p{font-size:15px;color:var(--muted)}

/* ============ CTA ============ */
.cta-card{
  position:relative;
  overflow:hidden;
  border-radius:28px;
  background:var(--grad);
  padding:56px 52px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  box-shadow:0 24px 56px rgba(11,110,79,.28);
}
.cta-card::after{
  content:"♠";
  position:absolute;
  right:26px;bottom:-42px;
  font-size:200px;
  line-height:1;
  color:rgba(255,255,255,.08);
  pointer-events:none;
}
.cta-card h2{
  font-size:clamp(24px,3vw,34px);
  color:#fff;
  margin-bottom:12px;
  position:relative;
}
.cta-card p{
  color:rgba(255,255,255,.9);
  font-size:16px;
  max-width:620px;
  position:relative;
}
.cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:14px}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:88px;
  background:linear-gradient(180deg,#063D2C 0%,#0E1512 100%);
  color:rgba(255,255,255,.8);
  padding:72px 0 0;
}
.site-footer a{color:rgba(255,255,255,.7)}
.site-footer a:hover{color:var(--lime);transform:translateX(2px)}
.foot-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.foot-brand .brand-icon{
  width:38px;height:38px;
  background:var(--grad);
  font-size:18px;
}
.foot-brand-name{
  font-size:20px;
  font-weight:700;
  color:#fff;
}
.foot-desc{
  font-size:14px;
  line-height:1.9;
  color:rgba(255,255,255,.68);
  max-width:360px;
}
.foot-col h4{
  font-size:14px;
  font-weight:600;
  color:#fff;
  letter-spacing:.6px;
  margin-bottom:16px;
}
.foot-links{display:flex;flex-direction:column;gap:10px}
.foot-links a{
  font-size:14px;
  transition:color var(--t),transform var(--t);
  display:inline-block;
}
.foot-contact li{
  display:flex;
  flex-direction:column;
  gap:2px;
  font-size:14px;
  color:rgba(255,255,255,.68);
  margin-bottom:14px;
  line-height:1.7;
}
.foot-contact .k{color:rgba(255,255,255,.45);font-size:12.5px}
.foot-bottom{
  margin-top:56px;
  padding:22px 0;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
  font-size:13px;
  color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .stat-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991px){
  .main-nav,.header-right{display:none}
  .section{padding:64px 0}
  .page-hero{padding:48px 0 56px}
  .hero-figure img{height:260px}
  .cta-card{flex-direction:column;align-items:flex-start;padding:44px 32px}
  .compare-grid{grid-template-columns:1fr}
  .checklist{grid-template-columns:1fr}
}
@media (max-width:767px){
  body{font-size:16px}
  .section{padding:48px 0}
  .section-lead{margin-bottom:32px}
  .media-row+.media-row{margin-top:52px}
  .num-outline{font-size:48px}
  .stat-band{margin:52px 0;padding:26px 20px}
  .stat-grid{grid-template-columns:1fr}
  .hero-actions .btn-grad,.hero-actions .btn-outline-felt{width:100%}
  .hero-figure img{height:220px}
  .foot-bottom{flex-direction:column;gap:8px}
}
@media (max-width:575px){
  .container{padding-left:16px;padding-right:16px}
  .brand-text{font-size:15px}
  .brand-icon{width:32px;height:32px;font-size:15px}
  .hero-sub{font-size:15.5px}
  .cta-card{padding:36px 22px;border-radius:22px}
  .cta-card::after{font-size:130px;right:-6px}
  .cta-actions{width:100%}
  .cta-actions .btn-grad,.cta-actions .btn-ghost{width:100%}
  .stat-chip .val{font-size:21px}
  .compare-row{flex-direction:column;gap:4px}
  .compare-row .v{text-align:left}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: category5 */
:root{
  --felt:#0B6E4F;
  --felt-deep:#063D2C;
  --mint:#17A06B;
  --lime:#7ED957;
  --card-red:#E23A3A;
  --chip:#F2C14E;
  --bg:#F7F5EF;
  --bg-soft:#F1F7F3;
  --surface:#FFFFFF;
  --ink:#12211C;
  --ink-soft:#4C5C56;
  --ink-mute:#7A8A84;
  --line:#E6E9E4;
  --grad:linear-gradient(135deg,#0B6E4F 0%,#17A06B 55%,#7ED957 100%);
  --r-xl:28px;
  --r-lg:24px;
  --r:18px;
  --r-img:16px;
  --r-input:12px;
  --sh:0 1px 2px rgba(11,110,79,.06),0 12px 32px rgba(14,21,18,.08);
  --sh-hover:0 18px 44px rgba(14,21,18,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sec-pad:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--felt);text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--mint)}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.3}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(11,110,79,.35);border-radius:8px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:var(--sec-pad) 0}
.section-soft{background:var(--bg-soft)}
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{font-size:clamp(24px,3vw,36px);margin-bottom:14px}
.section-head p{color:var(--ink-soft);font-size:16px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.04em;
  color:var(--felt);background:rgba(11,110,79,.08);
  border:1px solid rgba(11,110,79,.16);
  padding:6px 14px;border-radius:999px;margin-bottom:16px;
}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .18s var(--ease),background .18s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 10px 28px rgba(14,21,18,.08)}
.header-inner{display:flex;align-items:center;gap:18px;min-height:74px}
.brand{display:flex;align-items:center;gap:10px;white-space:nowrap}
.brand-icon{
  width:36px;height:36px;border-radius:12px;background:var(--grad);
  color:#fff;display:grid;place-items:center;font-size:18px;line-height:1;
  box-shadow:0 8px 18px rgba(11,110,79,.26);flex:0 0 auto;
}
.brand-text{font-size:18px;font-weight:700;color:var(--ink);letter-spacing:.01em}
.main-nav{gap:2px;margin-left:6px;align-items:center}
.main-nav .nav-link{
  color:var(--ink-soft);font-size:15px;font-weight:500;
  padding:10px 13px;border-radius:999px;position:relative;line-height:1.2;
}
.main-nav .nav-link:hover{color:var(--felt);background:var(--bg-soft)}
.main-nav .nav-link.active{color:var(--felt);font-weight:600;background:transparent}
.main-nav .nav-link.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;
  border-radius:2px;background:var(--felt);
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-search{position:relative;display:flex;align-items:center}
.nav-search input{
  width:176px;height:42px;border-radius:999px;border:1px solid var(--line);
  background:var(--bg-soft);padding:0 40px 0 16px;font-size:14px;color:var(--ink);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease);
}
.nav-search input::placeholder{color:var(--ink-mute)}
.nav-search input:focus{
  outline:none;background:#fff;border-color:var(--felt);
  box-shadow:0 0 0 4px rgba(11,110,79,.12);
}
.nav-search .search-icon{position:absolute;right:14px;color:var(--felt);display:flex}
.nav-login{font-size:15px;font-weight:500;color:var(--ink-soft);padding:8px 4px}
.nav-login:hover{color:var(--felt)}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:10px 24px;border:none;border-radius:999px;
  background:var(--grad);color:#fff;font-size:15px;font-weight:600;
  box-shadow:0 10px 24px rgba(11,110,79,.24);cursor:pointer;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),filter .22s var(--ease);
}
.btn-brand:hover{color:#fff;filter:brightness(.92);transform:translateY(-2px);box-shadow:0 16px 34px rgba(11,110,79,.28)}
.btn-brand:active{transform:translateY(0)}
.btn-outline-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:10px 22px;border-radius:999px;
  border:1.5px solid var(--felt);background:transparent;color:var(--felt);
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease);
}
.btn-outline-brand:hover{background:rgba(11,110,79,.08);color:var(--felt);transform:translateY(-2px)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:10px 24px;border-radius:999px;
  border:1.5px solid rgba(255,255,255,.72);background:rgba(255,255,255,.1);
  color:#fff;font-size:15px;font-weight:600;cursor:pointer;
  transition:background .22s var(--ease),transform .22s var(--ease);
}
.btn-ghost:hover{background:rgba(255,255,255,.22);color:#fff;transform:translateY(-2px)}
.nav-toggle{
  display:none;width:46px;height:46px;border-radius:14px;border:1px solid var(--line);
  background:#fff;flex-direction:column;justify-content:center;align-items:center;gap:5px;
  margin-left:auto;cursor:pointer;
}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:var(--felt)}
.mobile-brand{display:flex;align-items:center;gap:10px;margin-bottom:20px}
.mobile-nav-links{display:flex;flex-direction:column;gap:6px;margin-bottom:24px}
.mobile-nav-links a{
  padding:13px 14px;border-radius:12px;font-size:16px;color:var(--ink);
  transition:background .22s var(--ease),color .22s var(--ease);
}
.mobile-nav-links a:hover{background:var(--bg-soft);color:var(--felt)}
.mobile-nav-links a.active{background:rgba(11,110,79,.1);color:var(--felt);font-weight:600}

/* ============ 页头 ============ */
.page-hero{
  position:relative;background:var(--bg-soft);padding:48px 0 72px;overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;right:-140px;top:-160px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(23,160,107,.18) 0%,rgba(23,160,107,0) 68%);pointer-events:none;
}
.crumb{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--ink-mute);margin-bottom:26px;position:relative}
.crumb a{color:var(--ink-soft)}
.crumb a:hover{color:var(--felt)}
.crumb .cur{color:var(--felt);font-weight:600}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;position:relative}
.hero-copy h1{
  font-size:clamp(30px,4.2vw,50px);line-height:1.25;margin-bottom:18px;letter-spacing:-.01em;
}
.hero-copy h1 em{font-style:normal;color:var(--felt)}
.hero-sub{font-size:17px;color:var(--ink-soft);max-width:600px;margin-bottom:28px}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px}
.stat-badge{
  display:inline-flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:10px 18px;box-shadow:0 1px 2px rgba(11,110,79,.06);
}
.stat-badge .s-icon{
  width:30px;height:30px;border-radius:10px;background:rgba(11,110,79,.1);
  color:var(--felt);display:grid;place-items:center;flex:0 0 auto;
}
.stat-num{font-size:20px;font-weight:700;color:var(--felt);font-variant-numeric:tabular-nums;line-height:1.1}
.stat-label{font-size:13px;color:var(--ink-mute);line-height:1.3}
.hero-media{position:relative}
.hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);
  border:1px solid rgba(6,61,44,.08);box-shadow:var(--sh);
}
.hero-float{
  position:absolute;right:-14px;bottom:26px;background:#fff;border-radius:16px;
  padding:14px 18px;box-shadow:var(--sh);border:1px solid var(--line);
  display:flex;align-items:center;gap:12px;
}

/* ============ 卡片网格 ============ */
.q-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.q-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  padding:24px;display:flex;flex-direction:column;gap:14px;position:relative;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),transform .22s var(--ease);
}
.q-card:hover{border-color:rgba(11,110,79,.3);box-shadow:var(--sh-hover);transform:translateY(-3px)}
.q-card .q-cover{
  border-radius:var(--r-img);overflow:hidden;aspect-ratio:16/10;background:var(--bg-soft);
}
.q-card .q-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.q-card:hover .q-cover img{transform:scale(1.04)}
.q-card h3{font-size:19px;display:flex;align-items:center;gap:10px}
.q-icon{
  width:34px;height:34px;border-radius:11px;background:rgba(11,110,79,.1);
  color:var(--felt);display:grid;place-items:center;flex:0 0 auto;
}
.q-card p{font-size:15px;color:var(--ink-soft);line-height:1.8}
.q-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto}
.tag{
  font-size:12.5px;padding:5px 12px;border-radius:999px;
  background:var(--bg-soft);color:var(--felt);border:1px solid rgba(11,110,79,.14);
}
.tag-gold{background:rgba(242,193,78,.18);border-color:rgba(242,193,78,.5);color:#8A6412;font-weight:600}

/* ============ 快速问答 ============ */
.qa-list{display:flex;flex-direction:column;gap:20px}
.qa-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  padding:26px 28px 26px 32px;position:relative;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.qa-item::before{
  content:"";position:absolute;left:16px;top:24px;bottom:24px;width:4px;
  border-radius:4px;background:var(--felt);
}
.qa-item:hover{border-color:rgba(11,110,79,.3);box-shadow:var(--sh-hover)}
.qa-q{display:flex;align-items:flex-start;gap:12px;margin-bottom:12px}
.qa-q .mark{
  font-size:13px;font-weight:700;color:#fff;background:var(--felt);
  border-radius:999px;padding:3px 11px;line-height:1.6;flex:0 0 auto;margin-top:3px;
}
.qa-q h3{font-size:18px}
.qa-a{font-size:15.5px;color:var(--ink-soft);padding-left:0}
.qa-steps{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.step-chip{
  display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:var(--felt);
  background:var(--bg-soft);border:1px solid rgba(11,110,79,.14);
  border-radius:999px;padding:6px 14px;
}
.step-chip b{font-variant-numeric:tabular-nums}

/* ============ 自查清单 ============ */
.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.check-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:30px 30px 26px;position:relative;overflow:hidden;
}
.check-panel h3{font-size:19px;margin-bottom:18px;display:flex;align-items:center;gap:10px}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--ink-soft);
  padding:11px 0;border-bottom:1px dashed var(--line);
}
.check-list li:last-child{border-bottom:none;padding-bottom:0}
.check-list .tick{
  width:20px;height:20px;border-radius:50%;background:rgba(11,110,79,.12);
  color:var(--felt);display:grid;place-items:center;flex:0 0 auto;margin-top:5px;
}
.panel-note{
  margin-top:18px;font-size:13.5px;color:var(--ink-mute);
  background:var(--bg-soft);border-radius:12px;padding:12px 16px;
}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-acc .accordion-item{
  border:1px solid var(--line);border-radius:var(--r);background:#fff;
  margin-bottom:14px;overflow:hidden;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.faq-acc .accordion-item:hover{border-color:rgba(11,110,79,.3);box-shadow:var(--sh)}
.faq-acc .accordion-button{
  font-size:17px;font-weight:600;color:var(--ink);background:#fff;
  padding:20px 24px;box-shadow:none;border-radius:var(--r) !important;
  line-height:1.6;
}
.faq-acc .accordion-button:not(.collapsed){color:var(--felt);background:#fff}
.faq-acc .accordion-button:focus{box-shadow:none;border-color:transparent}
.faq-acc .accordion-button::after{
  width:14px;height:14px;background-size:14px;flex:0 0 auto;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%230B6E4F'%3E%3Cpath d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
  transition:transform .22s var(--ease);
}
.faq-acc .accordion-button:not(.collapsed)::after{transform:rotate(-180deg)}
.faq-acc .accordion-body{
  font-size:15px;color:var(--ink-soft);line-height:1.85;padding:0 24px 22px;
  border-top:1px solid var(--line);padding-top:18px;
}
.faq-acc .accordion-button:not(.collapsed){box-shadow:inset 3px 0 0 0 var(--felt)}

/* ============ CTA ============ */
.cta-section{padding:0 0 var(--sec-pad)}
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:var(--grad);color:#fff;padding:48px 52px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:0 24px 56px rgba(6,61,44,.22);
}
.cta-card::after{
  content:"♠";position:absolute;right:24px;bottom:-56px;font-size:230px;
  line-height:1;color:rgba(255,255,255,.08);pointer-events:none;
}
.cta-copy{position:relative;z-index:1;max-width:640px}
.cta-copy h2{color:#fff;font-size:clamp(22px,2.6vw,32px);margin-bottom:12px}
.cta-copy p{color:rgba(255,255,255,.86);font-size:16px}
.cta-actions{position:relative;z-index:1;display:flex;gap:14px;flex-wrap:wrap}
.cta-actions .btn-ghost.solid{background:#fff;color:var(--felt);border-color:#fff}
.cta-actions .btn-ghost.solid:hover{background:#F1F7F3;color:var(--felt)}

/* ============ 页脚 ============ */
.site-footer{
  background:linear-gradient(180deg,#063D2C 0%,#0E1512 100%);
  color:rgba(255,255,255,.7);padding:72px 0 0;
}
.foot-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.foot-brand .brand-icon{box-shadow:none;background:rgba(255,255,255,.14);color:#fff}
.foot-brand-name{color:#fff;font-size:20px;font-weight:700}
.foot-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:420px}
.foot-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:18px;letter-spacing:.03em}
.foot-links{display:flex;flex-direction:column;gap:11px}
.foot-links a{
  color:rgba(255,255,255,.7);font-size:14px;
  transition:color .22s var(--ease),transform .22s var(--ease);
  display:inline-block;
}
.foot-links a:hover{color:var(--lime);transform:translateX(2px)}
.foot-contact{display:flex;flex-direction:column;gap:13px;font-size:14px}
.foot-contact li{display:flex;gap:10px;color:rgba(255,255,255,.7);line-height:1.7}
.foot-contact .k{color:rgba(255,255,255,.45);flex:0 0 68px}
.foot-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.1);padding:22px 0;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .nav-search input{width:140px}
}
@media (max-width:991.98px){
  :root{--sec-pad:64px}
  .nav-toggle{display:flex}
  .header-actions{display:none !important}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-media{order:-1}
  .q-grid{grid-template-columns:repeat(2,1fr)}
  .check-grid{grid-template-columns:1fr}
  .cta-card{padding:38px 32px}
}
@media (max-width:767.98px){
  body{font-size:16px}
  .page-hero{padding:32px 0 52px}
  .hero-sub{font-size:16px}
  .q-grid{grid-template-columns:1fr;gap:18px}
  .qa-item{padding:22px 22px 22px 28px}
  .cta-card{padding:32px 22px}
  .cta-card::after{font-size:160px}
  .foot-bottom{flex-direction:column;gap:6px}
  .hero-float{right:8px;bottom:12px;padding:10px 14px}
}
@media (max-width:575.98px){
  :root{--sec-pad:48px}
  .container{padding:0 16px}
  .brand-text{font-size:15.5px}
  .brand-icon{width:32px;height:32px;font-size:16px;border-radius:10px}
  .stat-badge{padding:8px 14px;gap:10px}
  .stat-num{font-size:18px}
  .section-head{margin-bottom:32px}
  .qa-q h3{font-size:16.5px}
  .faq-acc .accordion-button{font-size:16px;padding:17px 18px}
  .faq-acc .accordion-body{padding:16px 18px 20px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}