/* roulang page: index */
:root{
  --brand:#12694F;
  --brand-light:#1A8763;
  --brand-dark:#0E2A22;
  --ink:#16241F;
  --ink-2:#56665F;
  --ink-3:#8C9A94;
  --bg:#F4F6F2;
  --surface:#FFFFFF;
  --surface-2:#EDF1EB;
  --line:#DDE4DC;
  --dark:#0B1F1A;
  --lime:#C6F24E;
  --orange:#F0703A;
  --ok:#1F9D6B;
  --warn:#E8A33D;
  --err:#D9534F;
  --info:#2A7FB8;
  --r-s:8px;
  --r-m:12px;
  --r-l:20px;
  --r-p:999px;
  --sh-1:0 1px 2px rgba(11,31,26,.06), 0 8px 24px -12px rgba(11,31,26,.18);
  --sh-2:0 12px 32px -12px rgba(11,31,26,.26);
  --ease:cubic-bezier(.2,.7,.3,1);
  --mono:ui-monospace, "DIN Alternate", "SF Mono", Menlo, Consolas, monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--orange);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.35;}
h1{font-size:clamp(30px,4vw,46px);line-height:1.3;}
h2{font-size:clamp(22px,2.6vw,32px);}
h3{font-size:19px;font-weight:600;line-height:1.45;}
h4{font-size:16px;font-weight:600;line-height:1.5;}
p{margin:0 0 1em;color:var(--ink-2);}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums;}
.grid-container.gk-wrap{
  max-width:1200px;
  width:100%;
  margin-left:auto;
  margin-right:auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:640px){.grid-container.gk-wrap{padding-left:28px;padding-right:28px;}}
@media (min-width:1024px){.grid-container.gk-wrap{padding-left:40px;padding-right:40px;}}
@media (min-width:1440px){.grid-container.gk-wrap{max-width:1280px;}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border:1px solid transparent;border-radius:10px;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease);
  text-decoration:none;
}
.btn:hover{transform:translateY(-2px);}
.btn:active{transform:translateY(0);filter:brightness(.95);}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-light);color:#fff;}
.btn-lime{background:var(--lime);color:var(--brand-dark);border-radius:var(--r-p);box-shadow:0 8px 20px -14px rgba(11,31,26,.6);}
.btn-lime:hover{background:#d5fa66;color:var(--brand-dark);}
.btn-ghost{background:transparent;color:var(--ink);border-color:#C4D1C8;}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);}
.btn-ghost-light{background:transparent;color:#EAF2EE;border-color:rgba(255,255,255,.34);}
.btn-ghost-light:hover{border-color:var(--lime);color:var(--lime);}
.btn-sm{height:36px;padding:0 16px;font-size:14px;border-radius:var(--r-p);}
.btn-block{width:100%;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 12px;border-radius:var(--r-p);
  font-size:12px;font-weight:600;letter-spacing:.02em;line-height:1;
  background:#E4EFE7;color:var(--brand-dark);
}
.badge-lime{background:var(--lime);color:var(--brand-dark);}
.badge-line{background:transparent;border:1px solid var(--line);color:var(--ink-2);}
.tag{
  display:inline-block;padding:5px 12px;border-radius:var(--r-p);
  font-size:13px;color:var(--ink-2);background:var(--surface-2);border:1px solid var(--line);
}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand);
  border-bottom:1px solid rgba(18,105,79,.35);padding-bottom:2px;
}
.text-link:hover{color:var(--orange);border-color:rgba(240,112,58,.5);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(244,246,242,.86);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background-color .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.site-header.is-scrolled{
  background:#fff;border-bottom-color:var(--line);
  box-shadow:0 6px 20px -18px rgba(11,31,26,.55);
}
.nav-inner{
  display:flex;align-items:center;gap:28px;
  height:68px;transition:height .22s var(--ease);
}
.site-header.is-scrolled .nav-inner{height:60px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;text-decoration:none;}
.brand-mark{
  width:28px;height:28px;border-radius:8px;flex:0 0 28px;
  background:linear-gradient(140deg,var(--brand) 0%,var(--brand-dark) 100%);
  display:flex;align-items:center;justify-content:center;
  color:var(--lime);font-size:14px;font-weight:700;font-family:var(--mono);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text b{font-size:16px;font-weight:700;color:var(--ink);letter-spacing:.01em;}
.brand-text span{font-size:11px;color:var(--ink-3);letter-spacing:.04em;}
.nav-channels{display:flex;align-items:center;gap:28px;flex:1 1 auto;}
.nav-channels a{
  position:relative;font-size:15px;font-weight:500;color:var(--ink-2);padding:6px 0;
}
.nav-channels a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--lime);opacity:0;transform:scaleX(.6);
  transition:opacity .2s var(--ease),transform .2s var(--ease);
}
.nav-channels a:hover{color:var(--ink);}
.nav-channels a:hover::after{opacity:.6;transform:scaleX(1);}
.nav-channels a.active{color:var(--ink);font-weight:700;}
.nav-channels a.active::after{opacity:1;transform:scaleX(1);}
.nav-tools{display:flex;align-items:center;gap:16px;flex:0 0 auto;}
.nav-search{
  position:relative;width:240px;height:40px;
}
.nav-search input{
  width:100%;height:40px;border-radius:var(--r-p);
  border:1px solid var(--line);background:#fff;
  padding:0 16px 0 40px;font-size:14px;color:var(--ink);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-search input::placeholder{color:var(--ink-3);}
.nav-search input:focus{
  outline:none;border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(18,105,79,.14);
}
.nav-search svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:16px;height:16px;stroke:var(--ink-3);fill:none;stroke-width:2;}
.nav-links{display:flex;align-items:center;gap:18px;font-size:14px;}
.nav-links a{color:var(--ink-2);font-weight:500;}
.nav-links a:hover{color:var(--brand);}
.nav-burger{
  display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  background:#fff;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-burger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;}
.mobile-drawer{
  position:fixed;inset:0;z-index:80;background:var(--brand-dark);color:#EAF2EE;
  padding:24px;display:none;flex-direction:column;gap:20px;overflow-y:auto;
}
.mobile-drawer.is-open{display:flex;animation:drawerIn .2s var(--ease);}
@keyframes drawerIn{from{opacity:0;transform:translateY(-10px);}to{opacity:1;transform:none;}}
.drawer-top{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{
  width:44px;height:44px;border-radius:10px;border:1px solid rgba(255,255,255,.24);
  background:transparent;color:#EAF2EE;font-size:20px;cursor:pointer;line-height:1;
}
.drawer-search{position:relative;}
.drawer-search input{
  width:100%;height:44px;border-radius:var(--r-p);border:1px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.08);color:#EAF2EE;padding:0 18px;font-size:15px;
}
.drawer-search input::placeholder{color:rgba(234,242,238,.55);}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  padding:16px 0;font-size:17px;color:#EAF2EE;border-bottom:1px solid rgba(255,255,255,.12);
}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--lime);}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;}

/* ---------- Hero ---------- */
.hero{padding:64px 0 24px;position:relative;overflow:hidden;}
.hero::before{
  content:"";position:absolute;right:-120px;top:-140px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(198,242,78,.30) 0%,rgba(198,242,78,0) 68%);
  pointer-events:none;
}
.hero-grid{position:relative;z-index:1;}
.hero-copy .badge{margin-bottom:20px;}
.hero-copy h1{margin-bottom:20px;max-width:640px;}
.hero-copy h1 .hl{
  position:relative;display:inline-block;
}
.hero-copy h1 .hl::after{
  content:"";position:absolute;left:0;right:0;bottom:4px;height:8px;border-radius:4px;
  background:rgba(198,242,78,.75);z-index:-1;
}
.hero-sub{font-size:18px;line-height:1.75;color:var(--ink-2);max-width:520px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px;}
.hero-stats{display:flex;flex-wrap:wrap;align-items:stretch;gap:0;}
.hero-stats li{
  padding:0 22px;border-left:1px solid var(--line);
}
.hero-stats li:first-child{padding-left:0;border-left:0;}
.hero-stats b{display:block;font-family:var(--mono);font-size:26px;font-weight:700;color:var(--brand);line-height:1.2;}
.hero-stats span{display:block;font-size:13px;color:var(--ink-3);margin-top:4px;}
.hero-visual{position:relative;margin-top:12px;}
.hero-photo{
  position:relative;border-radius:var(--r-l);overflow:hidden;
  aspect-ratio:16/10;background:var(--surface-2);border:1px solid var(--line);
  box-shadow:var(--sh-1);
}
.hero-photo img{width:100%;height:100%;object-fit:cover;}
.float-card{
  position:absolute;left:20px;bottom:-18px;width:270px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-m);
  border-top:2px solid var(--lime);padding:16px;box-shadow:var(--sh-2);
}
.float-card h4{font-size:15px;margin-bottom:6px;}
.float-card p{font-size:13px;line-height:1.7;color:var(--ink-3);margin-bottom:12px;}
.float-card .btn{height:32px;padding:0 14px;font-size:13px;border-radius:var(--r-p);}

/* ---------- 价值主张条 ---------- */
.value-bar{background:var(--surface-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.value-bar ul{display:flex;flex-wrap:wrap;}
.value-bar li{
  flex:1 1 200px;display:flex;gap:12px;align-items:flex-start;
  padding:24px 20px;border-left:1px solid var(--line);
}
.value-bar li:first-child{border-left:0;padding-left:0;}
.value-ico{
  flex:0 0 32px;width:32px;height:32px;border-radius:8px;
  background:#fff;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--brand);
}
.value-ico svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2;}
.value-bar b{display:block;font-size:15px;color:var(--ink);font-weight:600;}
.value-bar span{display:block;font-size:13px;color:var(--ink-3);line-height:1.7;}

/* ---------- 区块标题 ---------- */
.section{padding:96px 0;}
.section-head{
  display:flex;flex-wrap:wrap;gap:20px;align-items:flex-end;justify-content:space-between;
  margin-bottom:44px;
}
.section-head h2{margin-bottom:10px;}
.section-head p{font-size:15px;color:var(--ink-2);max-width:640px;}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.14em;
  color:var(--brand);text-transform:uppercase;margin-bottom:12px;
}

/* ---------- 功能分组 ---------- */
.feature-wrap{display:flex;gap:56px;align-items:flex-start;}
.feature-aside{position:sticky;top:110px;flex:0 0 300px;}
.feature-aside h2{margin-bottom:14px;}
.feature-aside p{font-size:15px;margin-bottom:20px;}
.feature-groups{flex:1 1 auto;display:flex;flex-direction:column;gap:32px;}
.fgroup{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-m);
  padding:28px;transition:border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.fgroup:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--sh-1);}
.fgroup h3{margin-bottom:18px;display:flex;align-items:center;gap:10px;}
.fgroup h3::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--lime);}
.fgroup-items{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.fitem{border-top:1px solid var(--line);padding-top:16px;}
.fitem b{display:block;font-size:15px;font-weight:600;color:var(--ink);margin-bottom:6px;}
.fitem span{display:block;font-size:13px;color:var(--ink-2);line-height:1.75;}
.feature-groups .fgroup:nth-child(2){margin-left:32px;}

/* ---------- 使用场景步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative;}
.step{position:relative;padding:0 20px 0 0;}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:50%;border:1.5px solid var(--lime);
  font-family:var(--mono);font-size:16px;font-weight:700;color:var(--brand-dark);
  background:#fff;margin-bottom:18px;position:relative;z-index:1;
}
.step-line{
  position:absolute;left:44px;top:22px;right:0;height:1px;
  border-top:1px dashed #C4D1C8;
}
.step:last-child .step-line{display:none;}
.step b{display:block;font-size:16px;color:var(--ink);margin-bottom:8px;}
.step p{font-size:13.5px;line-height:1.75;color:var(--ink-2);margin:0;}

/* ---------- 数据 / 案例 ---------- */
.dark-section{
  background:var(--dark);color:#EAF2EE;position:relative;overflow:hidden;
}
.dark-section::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:64px 64px;pointer-events:none;
}
.dark-section .grid-container{position:relative;z-index:1;}
.dark-section h2{color:#fff;}
.dark-section p{color:#B9C6C0;}
.dark-cols{display:flex;gap:56px;align-items:flex-start;}
.dark-stats{flex:0 0 320px;display:flex;flex-direction:column;gap:32px;}
.dark-stat b{display:block;font-family:var(--mono);font-size:44px;line-height:1.1;color:var(--lime);font-variant-numeric:tabular-nums;}
.dark-stat span{display:block;font-size:13.5px;color:#B9C6C0;margin-top:6px;}
.dark-cards{flex:1 1 auto;display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.dark-card{
  border:1px solid rgba(255,255,255,.14);border-radius:var(--r-m);overflow:hidden;
  background:rgba(255,255,255,.03);
  transition:border-color .2s var(--ease),transform .2s var(--ease);
}
.dark-card:hover{border-color:var(--lime);transform:translateY(-2px);}
.dark-card .thumb{aspect-ratio:16/9;background:#0E2A22;}
.dark-card .thumb img{width:100%;height:100%;object-fit:cover;}
.dark-card-body{padding:20px;}
.dark-card-body h3{font-size:16px;color:#fff;margin-bottom:8px;}
.dark-card-body p{font-size:13.5px;line-height:1.75;margin-bottom:12px;}
.dark-card-body a{font-size:13.5px;font-weight:600;color:var(--lime);}
.dark-card-body a:hover{color:#fff;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:40px;padding-top:28px;border-top:1px solid rgba(255,255,255,.12);}
.tag-row span{
  padding:7px 14px;border-radius:var(--r-p);font-size:13px;
  color:#B9C6C0;border:1px solid rgba(255,255,255,.16);
}

/* ---------- 资讯卡片 ---------- */
.news-grid{margin-bottom:-24px;}
.news-card{
  display:flex;flex-direction:column;height:100%;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-m);overflow:hidden;
  transition:border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
  margin-bottom:24px;color:inherit;
}
.news-card:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--sh-2);color:inherit;}
.news-cover{position:relative;aspect-ratio:16/9;background:var(--surface-2);border-bottom:1px solid var(--line);}
.news-cover img{width:100%;height:100%;object-fit:cover;}
.news-cover .badge{position:absolute;left:12px;top:12px;}
.news-body{padding:20px;display:flex;flex-direction:column;flex:1 1 auto;}
.news-body h3{
  font-size:16.5px;line-height:1.5;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body p{
  font-size:14px;line-height:1.7;color:var(--ink-2);margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--ink-3);
}
.news-meta .arrow{color:var(--brand);font-weight:600;}
.empty-state{
  border:1px dashed #C4D1C8;border-radius:var(--r-m);background:rgba(255,255,255,.6);
  min-height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;text-align:center;padding:32px 20px;
}
.empty-state .ico{
  width:44px;height:44px;border-radius:50%;background:var(--surface-2);
  display:flex;align-items:center;justify-content:center;color:var(--ink-3);
}
.empty-state .ico svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.8;}
.empty-state p{font-size:14.5px;color:var(--ink-2);margin:0;}

/* ---------- 价格 ---------- */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;}
.price-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-m);
  padding:32px 28px;display:flex;flex-direction:column;
  transition:border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.price-card:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--sh-1);}
.price-card.featured{
  background:var(--brand);border-color:var(--brand);color:#fff;
  transform:scale(1.02);box-shadow:var(--sh-2);
}
.price-card.featured:hover{transform:scale(1.02) translateY(-2px);}
.price-card h3{font-size:18px;margin-bottom:6px;}
.price-card.featured h3{color:#fff;}
.price-desc{font-size:13.5px;color:var(--ink-3);margin-bottom:20px;}
.price-card.featured .price-desc{color:rgba(255,255,255,.75);}
.price-num{
  font-family:var(--mono);font-variant-numeric:tabular-nums;
  font-size:38px;font-weight:700;color:var(--ink);line-height:1.1;margin-bottom:24px;
}
.price-card.featured .price-num{color:var(--lime);}
.price-num small{font-size:14px;font-weight:500;color:var(--ink-3);margin-left:4px;}
.price-card.featured .price-num small{color:rgba(255,255,255,.72);}
.price-list{display:flex;flex-direction:column;gap:12px;margin-bottom:28px;flex:1 1 auto;}
.price-list li{display:flex;gap:10px;font-size:14.5px;color:var(--ink-2);line-height:1.7;}
.price-list li i{
  flex:0 0 16px;width:16px;height:16px;margin-top:6px;border-radius:50%;
  background:rgba(18,105,79,.12);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:10px;font-style:normal;
}
.price-card.featured .price-list li{color:rgba(255,255,255,.88);}
.price-card.featured .price-list li i{background:rgba(198,242,78,.24);color:var(--lime);}
.price-list li.off i{background:rgba(140,154,148,.16);color:var(--ink-3);}
.price-list li.off{color:var(--ink-3);}
.price-card.featured .price-list li.off{color:rgba(255,255,255,.55);}
.price-card.featured .btn-ghost{border-color:rgba(255,255,255,.4);color:#fff;}
.price-card.featured .btn-ghost:hover{border-color:var(--lime);color:var(--lime);}
.price-flag{position:absolute;}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;background:transparent;border:0;cursor:pointer;text-align:left;
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:20px;
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;
}
.faq-q:hover{color:var(--brand);}
.faq-icon{
  flex:0 0 24px;width:24px;height:24px;position:relative;
  transition:transform .22s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;
}
.faq-icon::before{left:0;right:0;top:11px;height:2px;}
.faq-icon::after{top:0;bottom:0;left:11px;width:2px;transition:opacity .22s var(--ease);}
.faq-item.is-open .faq-icon{transform:rotate(180deg);}
.faq-item.is-open .faq-icon::after{opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s var(--ease);}
.faq-a-inner{padding:0 40px 22px 0;font-size:15px;line-height:1.85;color:var(--ink-2);}
.faq-tail{padding-top:26px;font-size:14.5px;color:var(--ink-3);}

/* ---------- CTA 横幅 ---------- */
.cta-banner{
  position:relative;border-radius:var(--r-l);overflow:hidden;
  background:var(--dark);color:#fff;margin-bottom:88px;
}
.cta-bg{position:absolute;inset:0;}
.cta-bg img{width:100%;height:100%;object-fit:cover;opacity:.28;}
.cta-inner{
  position:relative;z-index:1;padding:56px;
  display:flex;flex-wrap:wrap;gap:32px;align-items:center;justify-content:space-between;
}
.cta-inner h2{color:#fff;margin-bottom:12px;max-width:520px;}
.cta-inner p{color:#B9C6C0;font-size:15px;max-width:520px;margin:0;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#B9C6C0;padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:48px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand .brand-text b{color:#fff;}
.footer-brand .brand-text span{color:#8FA3 9B;color:#8FA39B;}
.footer-brand p{font-size:13.5px;line-height:1.8;color:#B9C6C0;max-width:280px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{font-size:14px;color:#B9C6C0;}
.footer-col a:hover{color:var(--lime);}
.footer-col li{font-size:14px;line-height:1.7;}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;
  font-size:13px;color:#8FA39B;
}
.footer-bottom .mono{font-family:var(--mono);}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .nav-search{width:200px;}
  .nav-channels{gap:20px;}
}
@media (max-width:1023px){
  .section{padding:64px 0;}
  .nav-channels,.nav-tools .nav-search,.nav-links{display:none;}
  .nav-burger{display:flex;}
  .feature-wrap{flex-direction:column;gap:32px;}
  .feature-aside{position:static;flex:1 1 auto;}
  .feature-groups .fgroup:nth-child(2){margin-left:0;}
  .fgroup-items{grid-template-columns:1fr 1fr;}
  .steps{grid-template-columns:1fr 1fr;gap:32px 0;}
  .step-line{display:none;}
  .dark-cols{flex-direction:column;gap:40px;}
  .dark-stats{flex:1 1 auto;flex-direction:row;flex-wrap:wrap;gap:32px;}
  .dark-stat{flex:1 1 160px;}
  .price-grid{grid-template-columns:1fr;gap:20px;}
  .price-card.featured{transform:none;order:-1;}
  .price-card.featured:hover{transform:translateY(-2px);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px;}
  .cta-inner{padding:40px 32px;}
  .hero{padding:48px 0 8px;}
}
@media (max-width:767px){
  .value-bar li{flex:1 1 100%;border-left:0;border-top:1px solid var(--line);padding:20px 0;}
  .value-bar li:first-child{border-top:0;}
  .fgroup-items{grid-template-columns:1fr;}
  .dark-cards{grid-template-columns:1fr;}
  .hero-stats li{padding:0 16px;}
  .hero-stats li:nth-child(3){display:none;}
  .section-head{margin-bottom:32px;}
}
@media (max-width:639px){
  .section{padding:48px 0;}
  body{font-size:16px;}
  .hero{padding:36px 0 0;}
  .hero-sub{font-size:16px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{flex:1 1 auto;}
  .hero-photo{aspect-ratio:4/3;border-radius:var(--r-m);}
  .float-card{position:relative;left:0;bottom:0;width:100%;margin-top:16px;box-shadow:var(--sh-1);}
  .steps{grid-template-columns:1fr;gap:28px;}
  .step{padding-right:0;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .cta-inner{padding:32px 22px;}
  .cta-banner{margin-bottom:56px;}
  .news-card{margin-bottom:20px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;}
  .btn:hover,.news-card:hover,.fgroup:hover,.price-card:hover,.dark-card:hover{transform:none;}
}

/* roulang page: article */
:root{
  --brand:#12694F;
  --brand-lt:#1A8763;
  --brand-dk:#0E2A22;
  --ink-deep:#0B1F1A;
  --lime:#C6F24E;
  --orange:#F0703A;
  --bg:#F4F6F2;
  --card:#FFFFFF;
  --surface-2:#EDF1EB;
  --line:#DDE4DC;
  --text:#16241F;
  --text-2:#56665F;
  --text-3:#8C9A94;
  --on-dark:#EAF2EE;
  --on-dark-2:#B9C6C0;
  --dark-line:rgba(255,255,255,.12);
  --ok:#1F9D6B;
  --warn:#E8A33D;
  --err:#D9534F;
  --info:#2A7FB8;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(11,31,26,.06), 0 8px 24px -12px rgba(11,31,26,.18);
  --sh-2:0 12px 32px -12px rgba(11,31,26,.26);
  --ease:cubic-bezier(.2,.7,.3,1);
  --mono:ui-monospace,"DIN Alternate","SF Mono",Menlo,Consolas,monospace;
  --sans:system-ui,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:var(--sans);font-size:16.5px;line-height:1.85;
  font-weight:400;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease);}
a:hover{color:var(--orange);}
button,input{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;}
h1,h2,h3,h4,h5{margin:0;font-weight:700;color:var(--text);}
p{margin:0 0 1.1em;}
ul,ol{margin:0;padding:0;list-style:none;}
figure{margin:0;}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;}
::selection{background:var(--lime);color:var(--brand-dk);}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}

.grid-container.gk-wrap{max-width:1200px;padding-left:20px;padding-right:20px;}
@media (min-width:1024px){.grid-container.gk-wrap{padding-left:32px;padding-right:32px;}}
@media (min-width:1440px){.grid-container.gk-wrap{max-width:1280px;padding-left:40px;padding-right:40px;}}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:10px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease);
}
.btn:hover{transform:translateY(-1px);}
.btn:active{transform:translateY(0);filter:brightness(.95);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-lime{background:var(--lime);color:var(--brand-dk);border-radius:var(--r-pill);}
.btn-lime:hover{background:#D4F86C;color:var(--brand-dk);}
.btn-solid{background:var(--brand);color:#fff;}
.btn-solid:hover{background:#0F5A44;color:#fff;box-shadow:var(--sh-2);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);}
.btn-dark-ghost{background:transparent;border-color:rgba(255,255,255,.3);color:var(--on-dark);}
.btn-dark-ghost:hover{border-color:var(--lime);color:var(--lime);}
.btn-block{width:100%;}

/* ============ header / nav ============ */
.site-header{
  position:sticky;top:0;z-index:80;background:#fff;
  border-bottom:1px solid var(--line);
  transition:height .2s var(--ease),box-shadow .2s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 1px 2px rgba(11,31,26,.06),0 10px 24px -18px rgba(11,31,26,.35);}
.nav-inner{display:flex;align-items:center;gap:24px;height:68px;transition:height .2s var(--ease);}
.site-header.is-scrolled .nav-inner{height:60px;}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);flex:0 0 auto;}
.brand:hover{color:var(--text);}
.brand-mark{
  width:28px;height:28px;border-radius:8px;background:var(--lime);color:var(--brand-dk);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:13px;font-weight:700;letter-spacing:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text b{font-size:15px;font-weight:700;letter-spacing:.01em;}
.brand-text span{font-size:11px;color:var(--text-3);font-weight:500;}
.nav-channels{display:flex;align-items:center;gap:28px;margin-left:8px;}
.nav-channels a{
  position:relative;font-size:15px;font-weight:500;color:var(--text-2);padding:6px 0;
}
.nav-channels a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--lime);
  border-radius:2px;transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease);
}
.nav-channels a:hover{color:var(--brand);}
.nav-channels a:hover::after{transform:scaleX(1);}
.nav-channels a.active{color:var(--text);font-weight:700;}
.nav-channels a.active::after{transform:scaleX(1);}
.nav-tools{display:flex;align-items:center;gap:16px;margin-left:auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;height:40px;width:240px;padding:0 14px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(18,105,79,.14);}
.nav-search svg{width:16px;height:16px;flex:0 0 16px;stroke:var(--text-3);stroke-width:2;fill:none;stroke-linecap:round;}
.nav-search input{
  border:0;outline:0;background:transparent;width:100%;font-size:14px;height:38px;
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-links{display:flex;align-items:center;gap:16px;}
.nav-links a{font-size:14px;color:var(--text-2);font-weight:500;}
.nav-links a:hover{color:var(--brand);}
.nav-burger{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;
  background:#fff;padding:0;flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-burger span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;}
.nav-burger:hover{border-color:var(--brand);}

/* mobile drawer */
.mobile-drawer{
  position:fixed;inset:0;z-index:120;background:var(--brand-dk);
  padding:20px;display:flex;flex-direction:column;gap:20px;
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s;
}
.mobile-drawer.is-open{opacity:1;visibility:visible;transform:translateY(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-head .brand-text b,.drawer-head .brand-text span{color:var(--on-dark);}
.drawer-head .brand-text span{color:var(--on-dark-2);}
.drawer-close{
  width:44px;height:44px;border-radius:10px;border:1px solid var(--dark-line);
  background:transparent;color:var(--on-dark);font-size:20px;line-height:1;
}
.drawer-close:hover{border-color:var(--lime);color:var(--lime);}
.drawer-search{display:flex;align-items:center;gap:8px;height:44px;padding:0 14px;border-radius:10px;background:rgba(255,255,255,.08);border:1px solid var(--dark-line);}
.drawer-search input{border:0;background:transparent;outline:0;color:var(--on-dark);width:100%;font-size:15px;}
.drawer-search input::placeholder{color:var(--on-dark-2);}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  color:var(--on-dark);font-size:17px;font-weight:500;padding:14px 0;
  border-bottom:1px solid var(--dark-line);
}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--lime);}

/* ============ breadcrumbs ============ */
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);padding:24px 0 0;
}
.crumbs a{color:var(--text-2);}
.crumbs a:hover{color:var(--brand);}
.crumbs .sep{color:var(--text-3);}
.crumbs .cur{color:var(--text-3);max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ============ article head ============ */
.article-head{padding:20px 0 28px;border-bottom:1px solid var(--line);}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--surface-2);color:var(--brand-dk);font-size:12px;font-weight:600;letter-spacing:.02em;
}
.badge-lime{background:var(--lime);color:var(--brand-dk);}
.badge-line{background:transparent;border:1px solid var(--line);color:var(--text-2);}
.article-title{
  font-size:clamp(28px,3.6vw,40px);line-height:1.32;font-weight:700;
  margin:16px 0 18px;max-width:22ch;letter-spacing:-.005em;
}
@media (min-width:1024px){.article-title{max-width:26ch;}}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  font-family:var(--mono);font-size:13px;color:var(--text-3);letter-spacing:.01em;
}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:var(--line);}
.meta-row .meta-item{display:inline-flex;align-items:center;gap:6px;}
.meta-row i{color:var(--text-3);font-size:12px;}

/* ============ layout ============ */
.article-main{padding:48px 0 0;}
.layout{display:grid;grid-template-columns:minmax(0,1fr);gap:48px;}
@media (min-width:1024px){
  .layout{grid-template-columns:minmax(0,1fr) 300px;gap:56px;align-items:start;}
}
.article-body{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px 20px;
}
@media (min-width:768px){.article-body{padding:40px 44px;}}
@media (min-width:1024px){
  .article-body{padding:48px 56px;max-width:800px;}
}
.article-body>*:first-child{margin-top:0;}
.article-body p{font-size:16.5px;line-height:1.88;color:var(--text);margin:0 0 1.15em;}
.article-body h2{
  position:relative;padding-left:20px;margin:2.2em 0 .8em;
  font-size:clamp(21px,2.5vw,27px);line-height:1.4;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.52em;width:8px;height:8px;border-radius:2px;background:var(--lime);
}
.article-body h3{font-size:19px;line-height:1.5;margin:1.8em 0 .6em;}
.article-body h4{font-size:16.5px;line-height:1.55;margin:1.5em 0 .5em;color:var(--brand-dk);}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:2px;}
.article-body a:hover{color:var(--orange);}
.article-body ul,.article-body ol{margin:0 0 1.15em;padding-left:1.5em;}
.article-body ul{list-style:none;}
.article-body ul li{position:relative;padding-left:16px;margin-bottom:.6em;line-height:1.85;}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:2px;background:var(--brand-lt);
}
.article-body ol{list-style:decimal;}
.article-body ol li{margin-bottom:.6em;padding-left:4px;}
.article-body blockquote{
  margin:1.6em 0;padding:20px 22px;background:var(--surface-2);
  border-left:3px solid var(--lime);border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-md);margin:1.6em 0;width:100%;background:var(--surface-2);}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px;}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;
  border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
}
.article-body thead th{background:var(--surface-2);font-weight:600;text-align:left;}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top;}
.article-body tbody tr:nth-child(even){background:#FAFBF8;}
.article-body tbody tr:last-child td{border-bottom:0;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0;}
.article-body code{
  font-family:var(--mono);font-size:14px;background:var(--surface-2);
  padding:2px 6px;border-radius:6px;color:var(--brand-dk);
}

/* sidebar */
.side{display:flex;flex-direction:column;gap:20px;}
@media (min-width:1024px){
  .side{position:sticky;top:96px;}
}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px;box-shadow:var(--sh-1);
}
.side-card h3{font-size:16px;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-card h3 i{color:var(--brand-lt);font-size:14px;}
.step-list{counter-reset:st;display:flex;flex-direction:column;gap:14px;}
.step-list li{counter-increment:st;display:flex;gap:12px;font-size:14.5px;line-height:1.7;color:var(--text-2);}
.step-list li::before{
  content:counter(st,decimal-leading-zero);
  font-family:var(--mono);font-size:12px;font-weight:700;color:var(--brand-dk);
  width:28px;height:28px;flex:0 0 28px;border-radius:50%;
  border:1px solid var(--brand-lt);display:flex;align-items:center;justify-content:center;
  margin-top:2px;
}
.side-links{display:flex;flex-direction:column;}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 0;font-size:14.5px;color:var(--text-2);border-bottom:1px dashed var(--line);
}
.side-links a:last-child{border-bottom:0;}
.side-links a:hover{color:var(--brand);}
.side-links i{font-size:12px;color:var(--text-3);}
.side-cta{background:var(--ink-deep);border:1px solid var(--dark-line);color:var(--on-dark);}
.side-cta h3{color:var(--on-dark);}
.side-cta p{color:var(--on-dark-2);font-size:14px;line-height:1.7;margin-bottom:16px;}

/* ============ tags & share ============ */
.article-foot{
  margin-top:28px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--surface-2);color:var(--brand-dk);font-size:12.5px;font-weight:500;
  border:1px solid transparent;transition:border-color .2s var(--ease),color .2s var(--ease);
}
.tag:hover{border-color:var(--brand);color:var(--brand);}
.share-row{display:flex;align-items:center;gap:10px;}
.share-row button{
  height:36px;padding:0 16px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:#fff;color:var(--text-2);font-size:13px;font-weight:500;
  display:inline-flex;align-items:center;gap:8px;
  transition:border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.share-row button:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);}
.back-link{
  display:inline-flex;align-items:center;gap:8px;margin-top:24px;
  font-size:14.5px;font-weight:600;color:var(--text-2);
}
.back-link:hover{color:var(--brand);}

/* empty state */
.empty{
  border:1px dashed var(--line);border-radius:var(--r-md);background:#FAFBF8;
  padding:56px 24px;text-align:center;
}
.empty i{font-size:26px;color:var(--text-3);margin-bottom:14px;display:block;}
.empty h3{font-size:18px;margin-bottom:8px;}
.empty p{color:var(--text-2);font-size:15px;margin-bottom:18px;}

/* ============ related ============ */
.section{padding:80px 0 0;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px;}
.section-head h2{font-size:clamp(21px,2.4vw,28px);line-height:1.35;}
.section-head p{color:var(--text-2);font-size:15px;margin:8px 0 0;}
.section-head .more{font-size:14.5px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px;}
.section-head .more:hover{color:var(--orange);}
.card-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:640px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,minmax(0,1fr));}}
.news-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.news-card:hover{transform:translateY(-2px);border-color:var(--brand);box-shadow:var(--sh-2);}
.thumb{position:relative;aspect-ratio:16/9;background:var(--surface-2);overflow:hidden;}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.news-card:hover .thumb img{transform:scale(1.03);}
.thumb .badge{position:absolute;left:12px;top:12px;}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-body h3{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-body h3 a{color:var(--text);}
.news-body h3 a:hover{color:var(--brand);}
.news-body p{font-size:14px;line-height:1.7;color:var(--text-2);margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-family:var(--mono);font-size:12.5px;color:var(--text-3);
}
.news-meta .go{color:var(--brand);font-size:13px;}

/* ============ CTA banner ============ */
.cta-band{
  margin-top:88px;background:var(--ink-deep);border-radius:var(--r-lg);
  border:1px solid var(--dark-line);overflow:hidden;position:relative;
}
.cta-grid{display:grid;grid-template-columns:1fr;align-items:center;}
@media (min-width:1024px){.cta-grid{grid-template-columns:1.25fr .75fr;}}
.cta-copy{padding:40px 28px;}
@media (min-width:768px){.cta-copy{padding:52px 48px;}}
.cta-copy h2{color:var(--on-dark);font-size:clamp(21px,2.4vw,28px);line-height:1.4;margin-bottom:12px;}
.cta-copy p{color:var(--on-dark-2);font-size:15.5px;line-height:1.8;margin-bottom:24px;max-width:46ch;}
.cta-img{position:relative;min-height:200px;aspect-ratio:16/7;}
@media (min-width:1024px){.cta-img{aspect-ratio:auto;height:100%;min-height:280px;}}
.cta-img img{width:100%;height:100%;object-fit:cover;opacity:.72;}

/* ============ footer ============ */
.site-footer{margin-top:88px;background:var(--ink-deep);color:var(--on-dark-2);padding:56px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}}
.footer-brand .brand{margin-bottom:14px;}
.footer-brand .brand-text b{color:var(--on-dark);}
.footer-brand .brand-text span{color:var(--on-dark-2);}
.footer-brand p{font-size:14px;line-height:1.75;color:var(--on-dark-2);max-width:34ch;margin:0;}
.footer-col h4{color:var(--on-dark);font-size:15px;margin-bottom:14px;font-weight:600;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col li{font-size:14px;line-height:1.7;color:var(--on-dark-2);}
.footer-col a{color:var(--on-dark-2);font-size:14px;}
.footer-col a:hover{color:var(--lime);}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid var(--dark-line);
  display:flex;flex-wrap:wrap;gap:10px 20px;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--on-dark-2);
}
.footer-bottom .mono{color:var(--text-3);}

/* ============ responsive nav ============ */
@media (max-width:1199px){
  .nav-search{width:200px;}
  .nav-channels{gap:20px;}
}
@media (max-width:1023px){
  .nav-channels,.nav-search,.nav-links{display:none;}
  .nav-burger{display:flex;}
  .nav-tools{gap:12px;}
}
@media (max-width:639px){
  body{font-size:16px;}
  .section{padding:56px 0 0;}
  .cta-band{margin-top:64px;}
  .site-footer{margin-top:64px;padding:44px 0 24px;}
  .article-main{padding:32px 0 0;}
  .article-body{padding:22px 18px;}
  .crumbs .cur{max-width:32ch;}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  .news-card:hover{transform:none;}
  .btn:hover{transform:none;}
}

/* roulang page: category1 */
:root{
  --brand:#12694F;
  --brand-light:#1A8763;
  --brand-dark:#0E2A22;
  --ink:#0B1F1A;
  --lime:#C6F24E;
  --orange:#F0703A;
  --bg:#F4F6F2;
  --card:#FFFFFF;
  --surface-2:#EDF1EB;
  --line:#DDE4DC;
  --text:#16241F;
  --text-2:#56665F;
  --text-3:#8C9A94;
  --on-dark:#EAF2EE;
  --on-dark-2:#B9C6C0;
  --dark-line:rgba(255,255,255,.12);
  --ok:#1F9D6B;
  --warn:#E8A33D;
  --err:#D9534F;
  --info:#2A7FB8;
  --r-s:8px;
  --r-m:12px;
  --r-l:20px;
  --r-p:999px;
  --sh-1:0 1px 2px rgba(11,31,26,.06), 0 8px 24px -12px rgba(11,31,26,.18);
  --sh-2:0 12px 32px -12px rgba(11,31,26,.26);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:200ms;
  --font:system-ui,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --mono:ui-monospace,"DIN Alternate","SF Mono",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color var(--t) var(--ease)}
a:hover{color:var(--orange)}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;color:var(--text)}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input{font-family:inherit;font-size:inherit}
button{cursor:pointer}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.grid-container.gk-wrap{max-width:1200px;margin:0 auto;padding-left:40px;padding-right:40px;width:100%}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-alt{background:var(--surface-2)}
.prose{max-width:760px}
.sec-head{max-width:740px;margin-bottom:44px}
.sec-head .eyebrow{display:block;font-family:var(--mono);font-size:12px;font-weight:600;letter-spacing:.08em;color:var(--brand);margin-bottom:14px}
.sec-head h2{font-size:clamp(22px,2.6vw,32px);margin-bottom:14px}
.sec-head p{font-size:16px;color:var(--text-2);margin:0}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:10px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;text-decoration:none;white-space:nowrap;
  transition:transform var(--t) var(--ease),background var(--t),border-color var(--t),color var(--t),box-shadow var(--t);
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn-lime{background:var(--lime);color:var(--brand-dark)}
.btn-lime:hover{background:#d4f76f;color:var(--brand-dark)}
.btn-brand{background:var(--brand);color:#fff}
.btn-brand:hover{background:#0f5b45;color:#fff}
.btn-outline{background:transparent;border-color:var(--line);color:var(--text)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.42);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff;border-color:var(--lime)}
.btn-sm{height:40px;padding:0 20px;border-radius:var(--r-p);font-size:14px}
.btn-block{width:100%}

/* ---------- 徽章 / 标签 ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:var(--r-p);font-size:12px;font-weight:600;letter-spacing:.02em;background:rgba(198,242,78,.35);color:var(--brand-dark)}
.tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:var(--r-p);font-size:12px;font-weight:500;background:var(--surface-2);color:var(--text-2);border:1px solid var(--line)}
.tag-lime{background:rgba(198,242,78,.4);color:var(--brand-dark);border-color:transparent}
.tag-orange{background:rgba(240,112,58,.12);color:#B24A1E;border-color:transparent}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(244,246,242,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background var(--t) var(--ease),border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.site-header.is-stuck{background:#fff;border-bottom-color:var(--line);box-shadow:0 8px 22px -18px rgba(11,31,26,.55)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px;transition:height var(--t) var(--ease)}
.site-header.is-stuck .nav-inner{height:60px}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--text);flex:none}
.brand-mark{
  width:28px;height:28px;border-radius:var(--r-s);background:var(--brand);color:var(--lime);
  display:grid;place-items:center;font-family:var(--mono);font-size:12px;font-weight:700;letter-spacing:.02em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.18}
.brand-text b{font-size:16px;font-weight:700;color:var(--text)}
.brand-text span{font-size:11px;color:var(--text-3);letter-spacing:.02em}
.nav-channels{display:flex;align-items:center;gap:28px}
.nav-channels a{position:relative;padding:6px 0;font-size:15px;font-weight:500;color:var(--text-2);text-decoration:none;transition:color var(--t) var(--ease)}
.nav-channels a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform 200ms var(--ease)}
.nav-channels a:hover{color:var(--text)}
.nav-channels a:hover::after{transform:scaleX(1)}
.nav-channels a.active{color:var(--text);font-weight:700}
.nav-channels a.active::after{transform:scaleX(1)}
.nav-tools{display:flex;align-items:center;gap:16px}
.nav-search{position:relative;width:240px}
.nav-search svg{position:absolute;left:13px;top:50%;transform:translateY(-50%);width:16px;height:16px;fill:none;stroke:var(--text-3);stroke-width:2;stroke-linecap:round}
.nav-search input{
  width:100%;height:40px;border-radius:var(--r-p);border:1px solid var(--line);background:#fff;
  padding:0 16px 0 38px;font-size:14px;color:var(--text);outline:none;
  transition:border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search input:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(18,105,79,.12)}
.nav-links{display:flex;align-items:center;gap:14px}
.nav-links a{font-size:14px;font-weight:500;color:var(--text-2)}
.nav-links a:hover{color:var(--brand)}
.nav-burger{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:10px;
  flex-direction:column;justify-content:center;align-items:center;gap:5px;padding:0;
  transition:border-color var(--t) var(--ease);
}
.nav-burger:hover{border-color:var(--brand)}
.nav-burger span{width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform var(--t) var(--ease),opacity var(--t)}
.site-header.nav-open .nav-burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.site-header.nav-open .nav-burger span:nth-child(2){opacity:0}
.site-header.nav-open .nav-burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);padding:28px 0 20px}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:var(--text-3)}
.crumb .current{color:var(--text-3)}

/* ---------- Hero ---------- */
.cat-hero{
  position:relative;border-radius:var(--r-l);overflow:hidden;background:var(--ink);
  min-height:440px;display:flex;align-items:flex-end;
}
.cat-hero .hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.85}
.cat-hero .hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(11,31,26,.94) 0%,rgba(11,31,26,.82) 42%,rgba(11,31,26,.32) 100%);
}
.cat-hero-inner{position:relative;z-index:2;padding:56px 48px;max-width:760px}
.cat-hero .badge{margin-bottom:20px}
.cat-hero h1{
  font-size:clamp(30px,4vw,46px);line-height:1.3;color:#fff;margin-bottom:18px;
}
.cat-hero h1 .kw{
  position:relative;white-space:nowrap;
  background-image:linear-gradient(var(--lime),var(--lime));
  background-repeat:no-repeat;background-position:0 92%;background-size:100% 6px;
}
.cat-hero p{font-size:18px;line-height:1.8;color:var(--on-dark-2);max-width:600px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-meta{margin-top:28px;display:flex;flex-wrap:wrap;gap:24px;font-family:var(--mono);font-size:13px;color:var(--on-dark-2)}
.hero-meta span{display:inline-flex;align-items:center;gap:8px}
.hero-meta i{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--lime)}

/* ---------- 锚点快捷条 ---------- */
.anchor-bar{
  margin-top:24px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-m);
  display:grid;grid-template-columns:repeat(3,1fr);overflow:hidden;box-shadow:var(--sh-1);
}
.anchor-item{
  display:flex;align-items:center;gap:14px;padding:20px 24px;text-decoration:none;color:var(--text);
  border-right:1px solid var(--line);transition:background var(--t) var(--ease);
}
.anchor-item:last-child{border-right:0}
.anchor-item:hover{background:var(--surface-2);color:var(--text)}
.anchor-item .num{
  flex:none;width:28px;height:28px;border-radius:50%;border:2px solid var(--lime);
  display:grid;place-items:center;font-family:var(--mono);font-size:12px;font-weight:700;color:var(--brand);
}
.anchor-item .txt{display:flex;flex-direction:column;line-height:1.4}
.anchor-item .txt b{font-size:15px;font-weight:600}
.anchor-item .txt span{font-size:12px;color:var(--text-3)}
.anchor-item .arrow{margin-left:auto;color:var(--text-3);transition:transform var(--t) var(--ease),color var(--t)}
.anchor-item:hover .arrow{transform:translateX(3px);color:var(--brand)}

/* ---------- 步骤流 ---------- */
.step-flow{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.step-flow li{border-top:1px dashed var(--line);padding-top:26px;position:relative}
.step-flow .step-num{
  display:inline-grid;place-items:center;min-width:44px;height:32px;padding:0 10px;margin-bottom:14px;
  border-radius:var(--r-p);border:2px solid var(--lime);font-family:var(--mono);font-size:15px;font-weight:700;color:var(--brand);
}
.step-flow h3{font-size:18px;margin-bottom:10px}
.step-flow p{font-size:15px;color:var(--text-2);margin:0}

/* ---------- 长条列表卡 ---------- */
.strip-list{border-top:1px solid var(--line)}
.strip-card{
  display:grid;grid-template-columns:40% 1fr;gap:36px;align-items:center;
  padding:34px 0;border-bottom:1px solid var(--line);text-decoration:none;color:var(--text);
}
.strip-card:hover{color:var(--text)}
.strip-thumb{
  position:relative;border-radius:var(--r-m);overflow:hidden;border:1px solid var(--line);
  background:var(--surface-2);aspect-ratio:4/3;
}
.strip-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 420ms var(--ease)}
.strip-card:hover .strip-thumb img{transform:scale(1.04)}
.strip-body{display:flex;flex-direction:column;gap:14px}
.strip-tags{display:flex;flex-wrap:wrap;gap:8px}
.strip-body h3{font-size:clamp(18px,2vw,22px);transition:color var(--t) var(--ease)}
.strip-card:hover .strip-body h3{color:var(--brand)}
.strip-body p{font-size:15px;color:var(--text-2);margin:0;max-width:640px}
.strip-foot{display:flex;align-items:center;gap:16px;font-family:var(--mono);font-size:12px;color:var(--text-3)}
.strip-foot .go{
  margin-left:auto;display:inline-flex;align-items:center;gap:8px;font-family:var(--font);
  font-size:14px;font-weight:600;color:var(--brand);
}
.strip-card:hover .strip-foot .go{color:var(--orange)}

/* ---------- 查看更多 / 分页位 ---------- */
.list-more{display:flex;align-items:center;justify-content:center;gap:14px;margin-top:40px}
.pager{display:flex;align-items:center;gap:8px;font-family:var(--mono);font-size:13px;color:var(--text-3)}
.pager a,.pager span{display:inline-grid;place-items:center;min-width:36px;height:36px;padding:0 10px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--text-2)}
.pager .is-current{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:700}

/* ---------- 深底强调带 ---------- */
.band-dark{
  background:var(--ink);border-radius:var(--r-l);padding:56px 48px;color:var(--on-dark);
  display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:44px 44px,44px 44px;
}
.band-dark h2{color:#fff;font-size:clamp(20px,2.4vw,28px);margin-bottom:14px}
.band-dark p{color:var(--on-dark-2);font-size:15px;margin:0}
.band-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.band-metrics .m{border-left:1px solid var(--dark-line);padding-left:18px}
.band-metrics .m b{display:block;font-family:var(--mono);font-size:28px;font-weight:700;color:var(--lime);font-variant-numeric:tabular-nums;line-height:1.2}
.band-metrics .m span{font-size:13px;color:var(--on-dark-2)}

/* ---------- FAQ ---------- */
.faq-wrap{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  padding:22px 0;font-size:16px;font-weight:600;color:var(--text);cursor:pointer;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:none;font-family:var(--mono);font-size:20px;line-height:1;color:var(--brand);
  transition:transform var(--t) var(--ease);
}
.faq-item[open] summary::after{content:"−"}
.faq-item summary:hover{color:var(--brand)}
.faq-body{padding:0 0 24px;font-size:15px;line-height:1.85;color:var(--text-2);max-width:780px}
.faq-foot{margin-top:24px;font-size:15px;color:var(--text-2)}
.faq-foot a{font-weight:600;border-bottom:2px solid rgba(18,105,79,.25)}
.faq-foot a:hover{border-bottom-color:var(--orange)}

/* ---------- CTA 横幅 ---------- */
.cta-band{margin-top:96px}
.cta-shell{
  position:relative;border-radius:var(--r-l);overflow:hidden;background:var(--ink);
  display:grid;grid-template-columns:1.15fr .85fr;align-items:center;min-height:280px;
}
.cta-copy{padding:56px 48px;position:relative;z-index:2}
.cta-copy h2{color:#fff;font-size:clamp(22px,2.6vw,32px);margin-bottom:14px}
.cta-copy p{color:var(--on-dark-2);font-size:15px;max-width:460px;margin-bottom:26px}
.cta-media{position:relative;height:100%;min-height:280px}
.cta-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.cta-shell::before{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(90deg,rgba(11,31,26,.96) 0%,rgba(11,31,26,.78) 55%,rgba(11,31,26,.25) 100%);
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--on-dark-2);margin-top:112px;padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .brand-text b{color:var(--on-dark)}
.footer-brand .brand-text span{color:var(--on-dark-2)}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.8;max-width:300px;color:var(--on-dark-2)}
.footer-col h4{font-size:15px;font-weight:600;color:var(--on-dark);margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col li{font-size:14px;line-height:1.7}
.footer-col a{color:var(--on-dark-2);font-size:14px}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{
  margin-top:56px;border-top:1px solid var(--dark-line);padding:20px 0 28px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:13px;color:var(--on-dark-2);
}

/* ---------- 响应式 ---------- */
@media (min-width:1440px){
  .grid-container.gk-wrap{max-width:1280px}
}
@media (max-width:1279px){
  .section{padding:88px 0}
}
@media (max-width:1023px){
  .grid-container.gk-wrap{padding-left:28px;padding-right:28px}
  .section{padding:64px 0}
  .nav-channels{display:none}
  .nav-search{display:none}
  .nav-links{display:none}
  .nav-burger{display:flex}
  .nav-tools{gap:10px}
  .site-header.nav-open .nav-channels{
    display:flex;flex-direction:column;align-items:stretch;gap:0;
    position:absolute;top:100%;left:0;right:0;height:calc(100vh - 68px);
    background:var(--brand-dark);padding:28px 28px 40px;overflow-y:auto;
    animation:drawerIn 200ms var(--ease);
  }
  .site-header.nav-open .nav-channels a{
    color:#fff;font-size:18px;font-weight:600;padding:18px 0;width:100%;
    border-bottom:1px solid var(--dark-line);
  }
  .site-header.nav-open .nav-channels a::after{display:none}
  .site-header.nav-open .nav-channels a.active{color:var(--lime)}
  @keyframes drawerIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}
  .cat-hero{min-height:380px}
  .cat-hero-inner{padding:44px 32px}
  .anchor-bar{grid-template-columns:1fr}
  .anchor-item{border-right:0;border-bottom:1px solid var(--line)}
  .anchor-item:last-child{border-bottom:0}
  .step-flow{grid-template-columns:1fr;gap:26px}
  .strip-card{grid-template-columns:1fr;gap:20px;padding:28px 0}
  .band-dark{grid-template-columns:1fr;padding:40px 32px}
  .cta-shell{grid-template-columns:1fr}
  .cta-copy{padding:40px 32px}
  .cta-media{min-height:200px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:639px){
  .grid-container.gk-wrap{padding-left:20px;padding-right:20px}
  .section{padding:48px 0}
  .cat-hero{min-height:0;aspect-ratio:4/3;align-items:flex-end}
  .cat-hero-inner{padding:28px 20px}
  .cat-hero p{font-size:16px}
  .hero-actions .btn{width:100%}
  .hero-meta{gap:14px;font-size:12px}
  .band-metrics{grid-template-columns:1fr;gap:16px}
  .band-metrics .m{border-left:0;border-top:1px solid var(--dark-line);padding:12px 0 0}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
  .strip-card{padding:24px 0}
  .btn{height:48px}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:1ms !important;animation-duration:1ms !important}
  .btn:hover,.strip-card:hover .strip-thumb img{transform:none}
}

/* roulang page: category2 */
:root{
  --brand:#12694F;
  --brand-lt:#1A8763;
  --brand-dk:#0E2A22;
  --deep:#0B1F1A;
  --lime:#C6F24E;
  --orange:#F0703A;
  --bg:#F4F6F2;
  --surface:#FFFFFF;
  --surface-2:#EDF1EB;
  --line:#DDE4DC;
  --ink:#16241F;
  --ink-2:#56665F;
  --ink-3:#8C9A94;
  --deep-ink:#EAF2EE;
  --deep-ink-2:#B9C6C0;
  --deep-line:rgba(255,255,255,.12);
  --ok:#1F9D6B;
  --warn:#E8A33D;
  --err:#D9534F;
  --info:#2A7FB8;
  --r-s:8px;
  --r:12px;
  --r-l:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(11,31,26,.06), 0 8px 24px -12px rgba(11,31,26,.18);
  --sh-2:0 12px 32px -12px rgba(11,31,26,.26);
  --ease:cubic-bezier(.2,.7,.3,1);
  --mono:ui-monospace,"DIN Alternate","SF Mono",Menlo,Consolas,monospace;
  --sans:system-ui,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--orange);}
button,input{font-family:inherit;font-size:inherit;}
button{cursor:pointer;}
table{border-collapse:collapse;width:100%;}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}

/* 容器 */
.grid-container.gk-wrap{
  max-width:1200px;
  padding-left:20px;
  padding-right:20px;
  margin-left:auto;
  margin-right:auto;
}
@media (min-width:640px){ .grid-container.gk-wrap{padding-left:28px;padding-right:28px;} }
@media (min-width:1024px){
  .grid-container.gk-wrap{padding-left:40px;padding-right:40px;}
}
@media (min-width:1440px){
  .grid-container.gk-wrap{max-width:1280px;}
}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:10px;
  border:1px solid transparent;
  font-weight:600;
  font-size:16px;
  line-height:1;
  transition:transform .2s var(--ease), background-color .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease), box-shadow .2s var(--ease);
  text-align:center;
}
.btn:hover{transform:translateY(-2px);}
.btn:active{transform:translateY(0);}
.btn-sm{height:40px;padding:0 18px;font-size:15px;border-radius:var(--r-pill);}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:#0F5C45;color:#fff;}
.btn-lime{background:var(--lime);color:var(--brand-dk);}
.btn-lime:hover{background:#B8E63C;color:var(--brand-dk);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.4);color:var(--deep-ink);}
.btn-ghost-light:hover{border-color:var(--lime);color:var(--lime);}
.btn:disabled{opacity:.45;pointer-events:none;}

/* 徽章 */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:24px;
  padding:0 12px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:600;
  letter-spacing:.02em;
  line-height:1;
  background:var(--surface-2);
  color:var(--brand);
  white-space:nowrap;
}
.tag-lime{background:var(--lime);color:var(--brand-dk);}
.tag-deep{background:rgba(198,242,78,.14);color:var(--lime);}

/* 顶部导航 */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(244,246,242,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:height .2s var(--ease), background-color .2s var(--ease), border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.site-header.is-stuck{
  background:#fff;
  border-bottom-color:var(--line);
  box-shadow:0 1px 2px rgba(11,31,26,.06);
}
.nav-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:68px;
  transition:height .2s var(--ease);
}
.site-header.is-stuck .nav-inner{height:60px;}

.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:28px;height:28px;
  flex:0 0 28px;
  border-radius:8px;
  background:var(--brand);
  color:var(--lime);
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--mono);
  font-size:13px;
  font-weight:700;
  letter-spacing:-.02em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text b{font-size:16px;font-weight:700;letter-spacing:.01em;}
.brand-text span{font-size:11px;color:var(--ink-3);letter-spacing:.04em;}

.nav-channels{display:none;align-items:center;gap:28px;}
.nav-channels a{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--ink-2);
  padding:6px 0;
  white-space:nowrap;
}
.nav-channels a::after{
  content:"";
  position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--lime);
  border-radius:2px;
  opacity:0;
  transform:scaleX(.6);
  transition:opacity .2s var(--ease), transform .2s var(--ease);
}
.nav-channels a:hover{color:var(--ink);}
.nav-channels a:hover::after{opacity:.6;transform:scaleX(1);}
.nav-channels a.active{color:var(--ink);font-weight:700;}
.nav-channels a.active::after{opacity:1;transform:scaleX(1);}

.nav-tools{display:flex;align-items:center;gap:14px;margin-left:auto;}
.nav-search{
  display:none;
  align-items:center;
  gap:8px;
  width:240px;
  height:40px;
  padding:0 14px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  transition:border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(18,105,79,.14);}
.nav-search svg{width:16px;height:16px;flex:0 0 16px;stroke:var(--ink-3);fill:none;stroke-width:1.8;stroke-linecap:round;}
.nav-search input{
  border:0;outline:0;background:transparent;width:100%;
  font-size:14px;color:var(--ink);
}
.nav-search input::placeholder{color:var(--ink-3);}
.nav-links{display:none;align-items:center;gap:16px;}
.nav-links a{font-size:15px;font-weight:500;color:var(--ink-2);}
.nav-links a:hover{color:var(--brand);}
.nav-tools > .btn-lime{display:none;}

.nav-burger{
  width:44px;height:44px;
  display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  background:transparent;border:1px solid var(--line);border-radius:10px;
}
.nav-burger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s var(--ease),opacity .2s var(--ease);}
.nav-burger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-burger.is-open span:nth-child(2){opacity:0;}
.nav-burger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.drawer{
  position:fixed;
  inset:0;
  z-index:80;
  background:var(--brand-dk);
  color:#fff;
  padding:24px 20px 32px;
  display:flex;
  flex-direction:column;
  gap:24px;
  opacity:0;
  visibility:hidden;
  transform:translateY(-12px);
  transition:opacity .2s var(--ease), transform .2s var(--ease), visibility .2s;
  overflow-y:auto;
}
.drawer.is-open{opacity:1;visibility:visible;transform:translateY(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{
  width:44px;height:44px;border-radius:10px;border:1px solid var(--deep-line);
  background:transparent;color:#fff;font-size:18px;
}
.drawer-search{display:flex;align-items:center;gap:8px;height:44px;padding:0 14px;border:1px solid var(--deep-line);border-radius:var(--r-pill);background:rgba(255,255,255,.04);}
.drawer-search input{border:0;background:transparent;outline:0;color:#fff;width:100%;font-size:15px;}
.drawer-search input::placeholder{color:var(--deep-ink-2);}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  color:var(--deep-ink);
  font-size:17px;
  font-weight:600;
  padding:16px 4px;
  border-bottom:1px solid var(--deep-line);
}
.drawer-nav a:hover{color:var(--lime);}
.drawer-nav a.active{color:var(--lime);}

@media (min-width:1024px){
  .nav-channels{display:flex;}
  .nav-search{display:flex;}
  .nav-links{display:flex;}
  .nav-tools > .btn-lime{display:inline-flex;}
  .nav-burger{display:none;}
  .drawer{display:none;}
}

/* 面包屑 */
.crumb{padding:20px 0 0;}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb li+li::before{content:"/";color:var(--line);}
.crumb a{color:var(--ink-3);}
.crumb a:hover{color:var(--brand);}
.crumb .current{color:var(--ink-2);font-weight:600;}

/* 紧凑页头 */
.cat-head{padding:32px 0 40px;}
.cat-head-inner{
  display:grid;
  grid-template-columns:1fr;
  gap:28px;
  align-items:end;
  padding-bottom:28px;
  border-bottom:1px solid var(--line);
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:26px;padding:0 12px;
  border-radius:var(--r-pill);
  background:var(--surface-2);
  color:var(--brand);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.cat-head h1{
  margin-top:18px;
  font-size:clamp(28px,3.6vw,42px);
  line-height:1.32;
  font-weight:700;
  letter-spacing:-.01em;
}
.cat-head h1 mark{
  background:linear-gradient(180deg, transparent 62%, rgba(198,242,78,.75) 62%);
  color:inherit;
  padding:0 2px;
}
.cat-head p{
  margin-top:14px;
  font-size:17px;
  line-height:1.8;
  color:var(--ink-2);
  max-width:640px;
}
.cat-head-tool{
  display:flex;
  flex-direction:column;
  gap:14px;
  width:100%;
}
.filter-search{
  display:flex;align-items:center;gap:10px;
  height:44px;padding:0 16px;
  background:#fff;border:1px solid var(--line);border-radius:10px;
  transition:border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.filter-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(18,105,79,.14);}
.filter-search i{color:var(--ink-3);font-size:14px;}
.filter-search input{border:0;outline:0;background:transparent;width:100%;font-size:15px;color:var(--ink);}
.filter-search input::placeholder{color:var(--ink-3);}
.filter-chips{display:flex;flex-wrap:wrap;gap:8px;}
.filter-chips span{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--r-pill);
  font-size:13px;color:var(--ink-2);background:#fff;
  transition:border-color .2s var(--ease), color .2s var(--ease);
}
.filter-chips span:hover{border-color:var(--brand);color:var(--brand);cursor:pointer;}
.filter-chips span.is-on{background:var(--brand);border-color:var(--brand);color:#fff;}

@media (min-width:1024px){
  .cat-head-inner{grid-template-columns:minmax(0,1.35fr) minmax(320px,.65fr);gap:48px;}
}

/* 概览条 */
.overview{background:var(--surface-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.overview-list{display:grid;grid-template-columns:1fr;}
.overview-item{
  display:flex;align-items:flex-start;gap:12px;
  padding:20px 0;
  border-top:1px solid var(--line);
}
.overview-item:first-child{border-top:0;}
.overview-item i{color:var(--brand);font-size:16px;margin-top:5px;}
.overview-item b{display:block;font-size:15px;font-weight:600;}
.overview-item span{display:block;font-size:13px;color:var(--ink-2);line-height:1.7;}
@media (min-width:768px){
  .overview-list{grid-template-columns:repeat(2,1fr);}
  .overview-item{padding:24px 24px 24px 0;border-top:0;border-left:1px solid var(--line);}
  .overview-item:first-child{border-left:0;padding-left:0;}
}
@media (min-width:1024px){
  .overview-list{grid-template-columns:repeat(4,1fr);}
  .overview-item{padding-left:24px;}
  .overview-item:nth-child(3){border-left:0;padding-left:0;}
}

/* 板块通用 */
.section{padding:56px 0;}
@media (min-width:768px){ .section{padding:64px 0;} }
@media (min-width:1024px){ .section{padding:88px 0;} }
.section-head{max-width:720px;margin-bottom:36px;}
.section-head h2{font-size:clamp(22px,2.6vw,32px);line-height:1.35;font-weight:700;}
.section-head p{margin-top:12px;font-size:16px;color:var(--ink-2);line-height:1.8;}
.section-head .head-row{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;}
.link-more{font-size:15px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px;}
.link-more:hover{color:var(--orange);}
.link-more i{font-size:12px;}

/* 卡片墙：两列错落 */
.wall{margin-top:0;}
.wall .cell{margin-bottom:24px;}
.wall-card{
  display:flex;
  flex-direction:column;
  gap:14px;
  height:100%;
  padding:28px 26px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r);
  box-shadow:var(--sh-1);
  transition:transform .2s var(--ease), border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.wall-card:hover{transform:translateY(-2px);border-color:var(--brand);box-shadow:var(--sh-2);}
.wall-icon{
  width:44px;height:44px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--surface-2);color:var(--brand);font-size:18px;
}
.wall-card h3{font-size:20px;font-weight:600;line-height:1.45;}
.wall-card p{font-size:15px;color:var(--ink-2);line-height:1.85;}
.wall-card ul{display:flex;flex-direction:column;gap:8px;}
.wall-card ul li{
  position:relative;
  padding-left:18px;
  font-size:14px;
  color:var(--ink-2);
  line-height:1.75;
}
.wall-card ul li::before{
  content:"";
  position:absolute;left:0;top:10px;
  width:8px;height:8px;border-radius:2px;
  background:var(--lime);
  border:1px solid var(--brand);
}
.wall-foot{margin-top:auto;padding-top:8px;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;}
.wall-foot .link-more{font-size:14px;}
.wall-card .num{
  font-family:var(--mono);
  font-variant-numeric:tabular-nums;
  font-size:13px;
  color:var(--ink-3);
  letter-spacing:.04em;
}
.wall-card.slim{padding:24px 26px;}
.wall-card.tinted{background:var(--surface-2);border-color:transparent;box-shadow:none;}
.wall-card.tinted:hover{border-color:var(--brand);}

@media (min-width:1024px){
  .wall .cell.lift .wall-card{margin-top:36px;}
}

/* 深底强调带 */
.band{
  background:var(--deep);
  color:var(--deep-ink);
  border-radius:0;
  padding:56px 0;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size:48px 48px;
}
.band-inner{display:grid;grid-template-columns:1fr;gap:32px;align-items:center;}
.band h2{font-size:clamp(21px,2.4vw,28px);line-height:1.4;color:#fff;font-weight:700;}
.band p{margin-top:14px;font-size:15px;color:var(--deep-ink-2);line-height:1.85;max-width:560px;}
.band-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;border-top:1px solid var(--deep-line);padding-top:24px;}
.band-stats b{
  display:block;
  font-family:var(--mono);
  font-variant-numeric:tabular-nums;
  font-size:clamp(26px,3vw,36px);
  color:var(--lime);
  line-height:1.1;
}
.band-stats span{display:block;margin-top:8px;font-size:13px;color:var(--deep-ink-2);line-height:1.7;}
.band .btn{margin-top:24px;}
@media (min-width:1024px){
  .band{padding:72px 0;}
  .band-inner{grid-template-columns:minmax(0,1fr) minmax(0,.85fr);gap:56px;}
  .band-stats{border-top:0;padding-top:0;}
}

/* 图文说明 */
.split{display:grid;grid-template-columns:1fr;gap:32px;align-items:center;}
.split-media{
  border-radius:var(--r-l);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--surface-2);
}
.split-media img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.split h2{font-size:clamp(22px,2.6vw,30px);line-height:1.38;font-weight:700;}
.split p{margin-top:14px;font-size:16px;color:var(--ink-2);line-height:1.85;}
.split-list{margin-top:22px;display:flex;flex-direction:column;gap:14px;}
.split-list li{display:flex;gap:12px;align-items:flex-start;}
.split-list i{color:var(--brand);margin-top:6px;font-size:14px;}
.split-list b{display:block;font-size:15px;font-weight:600;}
.split-list span{display:block;font-size:14px;color:var(--ink-2);line-height:1.75;}
@media (min-width:1024px){
  .split{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;}
}

/* 三宫格跳转 */
.trio .cell{margin-bottom:24px;}
.trio-card{
  display:flex;flex-direction:column;gap:12px;
  height:100%;
  padding:26px 24px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r);
  transition:transform .2s var(--ease), border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.trio-card:hover{transform:translateY(-2px);border-color:var(--brand);box-shadow:var(--sh-2);}
.trio-card h3{font-size:18px;font-weight:600;}
.trio-card p{font-size:14px;color:var(--ink-2);line-height:1.8;}
.trio-card .trio-go{margin-top:auto;font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px;}
.trio-card.is-now{background:var(--surface-2);border-color:var(--brand);}
.trio-card.is-now .trio-go{color:var(--ink-3);}

/* CTA 横幅 */
.cta-wrap{padding:0 0 88px;}
.cta{
  position:relative;
  display:grid;
  grid-template-columns:1fr;
  gap:28px;
  border-radius:var(--r-l);
  background:var(--deep);
  color:var(--deep-ink);
  overflow:hidden;
}
.cta-copy{padding:36px 28px;}
.cta-copy h2{font-size:clamp(21px,2.4vw,30px);line-height:1.4;color:#fff;font-weight:700;}
.cta-copy p{margin-top:14px;font-size:15px;color:var(--deep-ink-2);line-height:1.85;max-width:520px;}
.cta-actions{margin-top:24px;display:flex;flex-wrap:wrap;gap:12px;}
.cta-media{position:relative;min-height:200px;}
.cta-media img{width:100%;height:100%;object-fit:cover;opacity:.9;}
@media (min-width:1024px){
  .cta{grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);align-items:center;}
  .cta-copy{padding:52px 48px;}
  .cta-media{min-height:280px;}
}

/* 页脚 */
.site-footer{background:var(--deep);color:var(--deep-ink-2);padding:64px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
.footer-brand .brand{color:#fff;}
.footer-brand .brand-mark{background:var(--lime);color:var(--brand-dk);}
.footer-brand .brand-text b{color:#fff;}
.footer-brand .brand-text span{color:var(--deep-ink-2);}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;max-width:300px;}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px;letter-spacing:.02em;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col li{font-size:14px;line-height:1.7;}
.footer-col a{color:var(--deep-ink-2);}
.footer-col a:hover{color:var(--lime);}
.footer-bottom{
  margin-top:40px;
  padding-top:20px;
  border-top:1px solid var(--deep-line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:var(--deep-ink-2);
}
@media (min-width:768px){
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:40px;}
}
@media (min-width:1024px){
  .footer-grid{grid-template-columns:1.3fr 1fr 1fr 1.1fr;gap:48px;}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  .btn:hover,.wall-card:hover,.trio-card:hover{transform:none;}
}

/* roulang page: category3 */
:root{
  --green:#12694F; --green-1:#1A8763; --green-2:#0E2A22; --dark:#0B1F1A;
  --lime:#C6F24E; --lime-2:#d6fa6f; --orange:#F0703A;
  --bg:#F4F6F2; --surface:#FFFFFF; --surface-2:#EDF1EB; --line:#DDE4DC;
  --text:#16241F; --text-2:#56665F; --text-3:#8C9A94;
  --d-text:#EAF2EE; --d-text-2:#B9C6C0; --d-line:rgba(255,255,255,.12);
  --ok:#1F9D6B; --warn:#E8A33D; --err:#D9534F; --info:#2A7FB8;
  --r-s:8px; --r-m:12px; --r-l:20px; --r-p:999px;
  --sh-1:0 1px 2px rgba(11,31,26,.06), 0 8px 24px -12px rgba(11,31,26,.18);
  --sh-2:0 12px 32px -12px rgba(11,31,26,.26);
  --ease:cubic-bezier(.2,.7,.3,1);
  --mono:ui-monospace,"DIN Alternate","SF Mono",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);line-height:1.85;font-size:16px;
  font-family:system-ui,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--green);text-decoration:none;transition:color .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease)}
a:hover{color:var(--orange)}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
button{font:inherit;cursor:pointer;border:0;background:none}
input{font:inherit}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}

.grid-container.gk-wrap{max-width:1200px;padding-left:40px;padding-right:40px;margin-left:auto;margin-right:auto}
@media (min-width:1440px){.grid-container.gk-wrap{max-width:1280px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;background:rgba(244,246,242,.94);
  border-bottom:1px solid transparent;transition:background-color .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.site-header.is-stuck{background:#fff;border-bottom-color:var(--line);box-shadow:0 1px 2px rgba(11,31,26,.06)}
.nav-inner{display:flex;align-items:center;gap:26px;height:68px;transition:height .22s var(--ease)}
.site-header.is-stuck .nav-inner{height:60px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text)}
.brand:hover{color:var(--text)}
.brand-mark{
  width:28px;height:28px;border-radius:8px;background:var(--green);color:var(--lime);
  display:grid;place-items:center;font-size:12px;font-weight:700;letter-spacing:.02em;flex:0 0 28px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text b{font-size:15px;font-weight:700}
.brand-text span{font-size:11px;color:var(--text-3)}
.nav-channels{display:flex;align-items:center;gap:26px;margin-left:10px}
.nav-channels a{position:relative;font-size:15px;font-weight:500;color:var(--text-2);padding:6px 0}
.nav-channels a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--lime);
  transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease);
}
.nav-channels a:hover{color:var(--text)}
.nav-channels a:hover::after{transform:scaleX(1)}
.nav-channels a.active{color:var(--text);font-weight:700}
.nav-channels a.active::after{transform:scaleX(1)}
.nav-tools{display:flex;align-items:center;gap:16px;margin-left:auto}
.nav-search{position:relative;width:230px}
.nav-search svg{
  position:absolute;left:13px;top:50%;transform:translateY(-50%);
  width:16px;height:16px;fill:none;stroke:var(--text-3);stroke-width:1.8;stroke-linecap:round;
}
.nav-search input{
  width:100%;height:40px;border-radius:var(--r-p);border:1px solid var(--line);background:#fff;
  padding:0 14px 0 38px;font-size:14px;color:var(--text);transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search input:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 4px rgba(18,105,79,.14)}
.nav-links{display:flex;align-items:center;gap:16px}
.nav-links a{font-size:14px;color:var(--text-2)}
.nav-links a:hover{color:var(--green)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;
  border-radius:10px;border:1px solid transparent;white-space:nowrap;
  transition:transform .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.btn:active{transform:translateY(0) scale(.99);filter:brightness(.95)}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:var(--r-p)}
.btn-md{height:48px;padding:0 24px;font-size:15px}
.btn-lime{background:var(--lime);color:var(--green-2)}
.btn-lime:hover{background:var(--lime-2);color:var(--green-2);transform:translateY(-1px)}
.btn-green{background:var(--green);color:#fff}
.btn-green:hover{background:var(--green-1);color:#fff;transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--green);color:var(--green)}
.btn-ghost:hover{background:rgba(18,105,79,.08);color:var(--green);transform:translateY(-1px)}
.btn-darkline{background:transparent;border-color:rgba(255,255,255,.32);color:var(--d-text)}
.btn-darkline:hover{border-color:var(--lime);color:var(--lime)}
.nav-burger{display:none;width:44px;height:44px;border-radius:10px;flex-direction:column;justify-content:center;align-items:center;gap:5px}
.nav-burger span{display:block;width:20px;height:2px;background:var(--text);border-radius:2px;transition:.2s var(--ease)}
.nav-burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.mobile-drawer{
  position:fixed;inset:0 0 auto 0;top:0;z-index:90;background:var(--green-2);
  padding:20px;transform:translateY(-12px);opacity:0;visibility:hidden;
  transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s var(--ease);
  max-height:100%;overflow-y:auto;
}
.mobile-drawer.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.mobile-drawer .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.mobile-drawer .brand-text b{color:var(--d-text)}
.mobile-drawer .brand-text span{color:var(--d-text-2)}
.mobile-drawer .brand-mark{background:var(--lime);color:var(--green-2)}
.drawer-close{width:44px;height:44px;border-radius:10px;color:var(--d-text);font-size:22px;line-height:1;border:1px solid var(--d-line)}
.drawer-search{position:relative;margin-bottom:20px}
.drawer-search input{width:100%;height:44px;border-radius:10px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:var(--d-text);padding:0 14px}
.drawer-search input::placeholder{color:rgba(234,242,238,.55)}
.drawer-links{display:flex;flex-direction:column}
.drawer-links a{color:var(--d-text);font-size:17px;padding:14px 0;border-bottom:1px solid var(--d-line)}
.drawer-links a:hover{color:var(--lime)}
.drawer-cta{margin-top:24px;display:flex;gap:12px;flex-wrap:wrap}

/* ---------- page head ---------- */
.page-head{padding:72px 0 44px;text-align:center}
.page-head .inner{max-width:780px;margin:0 auto}
.badge{
  display:inline-flex;align-items:center;font-size:12px;font-weight:600;letter-spacing:.02em;
  padding:6px 14px;border-radius:var(--r-p);background:rgba(18,105,79,.1);color:var(--green);
}
.page-head h1{font-size:clamp(28px,3.7vw,42px);line-height:1.32;font-weight:700;margin:18px 0 14px}
.page-head h1 .hl{font-style:normal;background:linear-gradient(transparent 64%, var(--lime) 64%, var(--lime) 88%, transparent 88%)}
.page-head .sub{font-size:18px;color:var(--text-2);max-width:640px;margin:0 auto}
.page-head .head-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:28px}

/* ---------- sections ---------- */
.section{padding:88px 0}
.section-alt{background:var(--surface-2)}
.section-head{max-width:720px;margin-bottom:44px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{font-size:13px;font-weight:600;color:var(--green);letter-spacing:.04em}
.section-head h2{font-size:clamp(22px,2.6vw,32px);line-height:1.35;font-weight:700;margin:10px 0 12px}
.section-head p{color:var(--text-2);font-size:16px}

/* ---------- timeline ---------- */
.timeline{max-width:900px;margin:0 auto}
.tl-item{display:grid;grid-template-columns:72px 1fr;gap:24px;position:relative;padding-bottom:32px}
.tl-item::before{
  content:"";position:absolute;left:35px;top:74px;bottom:0;
  border-left:2px dashed #cfd9d1;
}
.tl-item:last-child{padding-bottom:0}
.tl-item:last-child::before{display:none}
.tl-num{
  width:72px;height:72px;border-radius:50%;background:#fff;border:2px solid var(--lime);
  display:grid;place-items:center;font-family:var(--mono);font-size:20px;font-weight:700;
  color:var(--green);font-variant-numeric:tabular-nums;
}
.tl-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-m);padding:24px;
  box-shadow:var(--sh-1);transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.tl-card:hover{transform:translateY(-2px);border-color:var(--green);box-shadow:var(--sh-2)}
.tl-card h3{font-size:19px;font-weight:600;line-height:1.45;margin-bottom:8px}
.tl-card p{color:var(--text-2);font-size:16px}
.tl-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.tag{
  display:inline-flex;align-items:center;font-size:12px;font-weight:600;padding:4px 12px;
  border-radius:var(--r-p);background:rgba(240,112,58,.1);color:#b64a1d;
}

/* ---------- feature media ---------- */
.feat{
  display:grid;grid-template-columns:1.05fr .95fr;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-l);overflow:hidden;box-shadow:var(--sh-1);
}
.feat-media{position:relative;background:var(--surface-2);min-height:320px}
.feat-media img{width:100%;height:100%;object-fit:cover}
.feat-body{padding:44px 40px}
.feat-body h2{font-size:clamp(21px,2.3vw,28px);line-height:1.4;font-weight:700;margin-bottom:14px}
.feat-body p{color:var(--text-2);margin-bottom:18px}
.check-list{display:flex;flex-direction:column;gap:12px;margin-top:22px}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--text-2)}
.check-list li::before{
  content:"";flex:0 0 8px;width:8px;height:8px;margin-top:9px;border-radius:2px;
  background:var(--lime);box-shadow:0 0 0 3px rgba(198,242,78,.28);
}

/* ---------- scene cards ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.scene-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-m);padding:24px;
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.scene-card:hover{transform:translateY(-2px);border-color:var(--green);box-shadow:var(--sh-1)}
.scene-card .ico{
  width:38px;height:38px;border-radius:10px;background:rgba(18,105,79,.1);display:grid;place-items:center;
  margin-bottom:14px;color:var(--green);font-family:var(--mono);font-size:14px;font-weight:700;
}
.scene-card h3{font-size:17px;font-weight:600;margin-bottom:8px}
.scene-card p{font-size:14.5px;color:var(--text-2);line-height:1.75}
.scene-card a{display:inline-block;margin-top:14px;font-size:14px;font-weight:600;color:var(--green)}
.scene-card a:hover{color:var(--orange)}

/* ---------- faq ---------- */
.faq-list{max-width:860px;margin:0 auto;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 4px;font-size:16px;font-weight:600;cursor:pointer;list-style:none;
  transition:color .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--green)}
.faq-ico{position:relative;flex:0 0 18px;width:18px;height:18px}
.faq-ico::before,.faq-ico::after{content:"";position:absolute;background:var(--green);border-radius:2px;transition:transform .2s var(--ease)}
.faq-ico::before{left:0;right:0;top:8px;height:2px}
.faq-ico::after{top:0;bottom:0;left:8px;width:2px}
.faq-item[open] .faq-ico::after{transform:scaleY(0)}
.faq-body{padding:0 4px 24px;color:var(--text-2);max-width:760px;font-size:15.5px}
.back-row{margin-top:36px;text-align:left;max-width:860px;margin-left:auto;margin-right:auto}
.back-row a{font-size:15px;font-weight:600;color:var(--green);border-bottom:2px solid rgba(18,105,79,.25);padding-bottom:2px}
.back-row a:hover{color:var(--orange);border-bottom-color:rgba(240,112,58,.4)}

/* ---------- cta ---------- */
.cta-band{padding:0 0 0}
.cta-inner{
  position:relative;display:grid;grid-template-columns:1.25fr .75fr;gap:0;background:var(--dark);
  border:1px solid var(--d-line);border-radius:var(--r-l);overflow:hidden;
}
.cta-body{padding:48px 44px;color:var(--d-text)}
.cta-body .badge{background:rgba(198,242,78,.14);color:var(--lime)}
.cta-body h2{font-size:clamp(21px,2.4vw,30px);line-height:1.4;font-weight:700;color:#fff;margin:16px 0 12px}
.cta-body p{color:var(--d-text-2);max-width:520px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}
.cta-media{position:relative;background:#0d2c24;min-height:260px}
.cta-media img{width:100%;height:100%;object-fit:cover;opacity:.9}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:var(--d-text-2);padding:64px 0 26px;margin-top:88px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px}
.site-footer .brand-text b{color:var(--d-text)}
.site-footer .brand-text span{color:var(--d-text-2)}
.site-footer .brand-mark{background:var(--lime);color:var(--green-2)}
.footer-brand p{margin-top:16px;font-size:14.5px;line-height:1.8;max-width:320px}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col li{font-size:14px;line-height:1.7}
.footer-col a{color:var(--d-text-2)}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--d-line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(185,198,192,.85);
}

/* ---------- responsive ---------- */
@media (min-width:1024px) and (max-width:1279px){
  .nav-search{width:190px}
  .nav-channels{gap:20px}
}
@media (max-width:1023px){
  .grid-container.gk-wrap{padding-left:28px;padding-right:28px}
  .section{padding:64px 0}
  .nav-channels,.nav-search,.nav-links{display:none}
  .nav-burger{display:flex}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .feat{grid-template-columns:1fr;border-radius:var(--r-l)}
  .feat-media{min-height:240px;aspect-ratio:16/10}
  .feat-body{padding:32px 28px}
  .cta-inner{grid-template-columns:1fr}
  .cta-media{min-height:200px;order:-1}
  .cta-body{padding:36px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .page-head{padding:56px 0 36px}
}
@media (max-width:639px){
  .grid-container.gk-wrap{padding-left:20px;padding-right:20px}
  .section{padding:48px 0}
  .section-head{margin-bottom:28px}
  .page-head{padding:44px 0 28px}
  .page-head .sub{font-size:16.5px}
  .timeline .tl-item{grid-template-columns:52px 1fr;gap:14px;padding-bottom:24px}
  .timeline .tl-num{width:52px;height:52px;font-size:15px}
  .timeline .tl-item::before{left:25px;top:54px}
  .tl-card{padding:18px}
  .scene-grid{grid-template-columns:1fr}
  .faq-item summary{font-size:15.5px;padding:18px 2px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding:48px 0 22px;margin-top:56px}
  .cta-band{margin-top:0}
  .btn-md{height:46px;padding:0 20px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
  .tl-card:hover,.scene-card:hover,.btn:hover{transform:none}
}