/* roulang page: index */
:root{
  --c-primary:#2F5D3A;
  --c-primary-deep:#1E4028;
  --c-primary-soft:#EAF0DA;
  --c-accent:#A9C846;
  --c-accent-2:#D9902A;
  --c-bg:#FAF9F4;
  --c-bg-alt:#F0EFE6;
  --c-card:#FFFFFF;
  --c-ink:#14201A;
  --c-ink-2:#4A5751;
  --c-ink-3:#8A9189;
  --c-line:#E3E3DA;
  --c-error:#B4463A;
  --radius:4px;
  --radius-pill:999px;
  --shadow:0 1px 2px rgba(20,32,26,.05);
  --shadow-hover:0 14px 30px -14px rgba(20,32,26,.20);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-num:"SF Mono",ui-monospace,"JetBrains Mono",Menlo,Consolas,"Helvetica Neue",Arial,sans-serif;
  --nav-h:68px;
  --nav-h-sm:56px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;border-radius:var(--radius)}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--c-primary)}
button,input,textarea,select{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5,p,figure,blockquote{margin:0}
h1,h2,h3,h4{font-weight:800;letter-spacing:-.02em;line-height:1.2;color:var(--c-ink)}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px;border-radius:2px}
body.no-scroll{overflow:hidden}

/* ===== Foundation 默认外观覆写 ===== */
.button,.accordion,.accordion-title,.accordion-content,.reveal,.callout{
  font-family:var(--font-sans);
}
.button{
  background-color:var(--c-primary);
  color:#fff;
  border:1px solid var(--c-primary);
  border-radius:var(--radius);
  padding:14px 28px;
  font-size:16px;
  font-weight:700;
  letter-spacing:.01em;
  transition:background-color .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
  margin:0;
}
.button:hover,.button:focus{
  background-color:var(--c-primary-deep);
  border-color:var(--c-primary-deep);
  color:#fff;
  transform:translateY(-1px);
}
.button.hollow{
  background:transparent;
  color:var(--c-primary);
  border:1px solid var(--c-primary);
}
.button.hollow:hover,.button.hollow:focus{
  background:var(--c-primary-soft);
  color:var(--c-primary-deep);
  border-color:var(--c-primary);
}
.button.small{padding:10px 18px;font-size:14px}
.accordion{background:transparent;border:none;border-radius:0}
.accordion-title{
  background:transparent;
  border:none;
  border-top:1px solid var(--c-line);
  color:var(--c-ink);
  font-size:18px;
  font-weight:700;
  padding:22px 44px 22px 0;
  line-height:1.5;
  position:relative;
  transition:color .18s var(--ease);
}
.accordion-title:hover,.accordion-title:focus{background:transparent;color:var(--c-primary);outline:none}
.accordion-title::before{
  content:"+";
  position:absolute;
  right:6px;
  top:50%;
  left:auto;
  transform:translateY(-50%);
  font-family:var(--font-num);
  font-size:22px;
  font-weight:400;
  color:var(--c-primary);
  line-height:1;
  transition:transform .22s var(--ease),color .18s var(--ease);
}
.accordion-item.is-active .accordion-title::before{content:"−";transform:translateY(-50%) rotate(180deg);color:var(--c-accent-2)}
.accordion-content{
  background:transparent;
  border:none;
  padding:0 44px 26px 0;
  color:var(--c-ink-2);
  font-size:16px;
  line-height:1.85;
}
.accordion-item{border-bottom:1px solid var(--c-line)}
.reveal{
  border-radius:var(--radius);
  padding:36px;
  border:1px solid var(--c-line);
  background:var(--c-card);
  box-shadow:0 24px 60px -24px rgba(20,32,26,.35);
}
.reveal-overlay{background:rgba(20,32,26,.55)}
.close-button{color:var(--c-ink-3);top:16px;right:16px}
.close-button:hover{color:var(--c-primary)}

/* ===== 容器 ===== */
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.section{padding:104px 0}
.section--tight{padding:72px 0}
.section--alt{background:var(--c-bg-alt)}
.section--line{border-top:1px solid var(--c-line)}

/* ===== 顶部导航 ===== */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:60;
  background:rgba(30,64,40,.96);
  backdrop-filter:blur(8px);
  transition:height .22s var(--ease),box-shadow .22s var(--ease),background-color .22s var(--ease);
  height:var(--nav-h);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.site-header.is-scrolled{height:var(--nav-h-sm);box-shadow:0 8px 24px -18px rgba(0,0,0,.7)}
.nav-bar{
  height:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:var(--radius);
  background:linear-gradient(150deg,var(--c-accent) 0%,var(--c-primary) 78%);
  position:relative;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.22);
}
.brand-mark::after{
  content:"";
  position:absolute;inset:11px;
  border-radius:50%;
  background:var(--c-accent-2);
  opacity:.9;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-main{font-size:19px;font-weight:800;color:#fff;letter-spacing:-.01em}
.brand-sub{font-size:11px;letter-spacing:.22em;color:var(--c-accent);font-family:var(--font-num);text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:4px;flex:1 1 auto;justify-content:center}
.nav-links a{
  position:relative;
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:0 14px;
  color:rgba(255,255,255,.82);
  font-size:15.5px;
  font-weight:600;
  border-radius:var(--radius);
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:14px;bottom:8px;
  height:2px;width:0;
  background:var(--c-accent);
  transition:width .18s var(--ease);
}
.nav-links a:hover{color:#fff}
.nav-links a:hover::after{width:24px}
.nav-links a.is-active{color:#fff}
.nav-links a.is-active::after{width:24px}
.nav-cta{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-cta .button{padding:11px 22px;font-size:15px;background:var(--c-accent);border-color:var(--c-accent);color:var(--c-primary-deep)}
.nav-cta .button:hover{background:#c0dd5c;border-color:#c0dd5c;color:var(--c-primary-deep)}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid rgba(255,255,255,.25);
  background:transparent;
  border-radius:var(--radius);
  cursor:pointer;
  position:relative;
}
.nav-toggle span{
  position:absolute;left:12px;right:12px;height:2px;background:#fff;
  transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.nav-toggle span:nth-child(1){top:15px}
.nav-toggle span:nth-child(2){top:21px}
.nav-toggle span:nth-child(3){top:27px}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(20,32,26,.45);
  opacity:0;visibility:hidden;
  transition:opacity .2s var(--ease),visibility .2s var(--ease);
  z-index:70;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;
  width:86%;max-width:380px;
  background:var(--c-primary-deep);
  z-index:80;
  transform:translateX(100%);
  transition:transform .26s var(--ease);
  padding:24px 22px 32px;
  display:flex;flex-direction:column;gap:8px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.drawer-close{
  width:44px;height:44px;border-radius:var(--radius);
  border:1px solid rgba(255,255,255,.25);
  background:transparent;color:#fff;cursor:pointer;font-size:20px;line-height:1;
}
.drawer-nav a{
  display:flex;align-items:center;
  min-height:52px;
  padding:0 6px;
  color:rgba(255,255,255,.88);
  font-size:17px;font-weight:600;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.drawer-nav a:hover,.drawer-nav a.is-active{color:var(--c-accent)}
.drawer-foot{margin-top:auto;padding-top:24px;border-top:1px solid rgba(255,255,255,.14);color:rgba(255,255,255,.6);font-size:13px}
.drawer-foot p{margin-bottom:10px}
.drawer-foot .button{width:100%;background:var(--c-accent);border-color:var(--c-accent);color:var(--c-primary-deep);margin-top:8px}

/* ===== Hero ===== */
.hero{
  position:relative;
  background-color:var(--c-primary-deep);
  background-image:linear-gradient(105deg,rgba(20,42,26,.94) 0%,rgba(20,42,26,.78) 52%,rgba(20,42,26,.55) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  padding:calc(var(--nav-h) + 72px) 0 0;
  color:#fff;
  overflow:hidden;
}
.hero::after{
  content:"";
  position:absolute;left:0;right:0;bottom:0;height:1px;
  background:rgba(255,255,255,.12);
}
.hero-inner{padding-bottom:64px}
.hero h1{
  font-size:clamp(34px,5.2vw,62px);
  color:#fff;
  letter-spacing:-.025em;
  line-height:1.14;
  margin-bottom:22px;
}
.hero h1 em{
  font-style:normal;
  color:var(--c-accent);
}
.hero-lead{
  font-size:18px;
  line-height:1.9;
  color:rgba(255,255,255,.82);
  max-width:600px;
  margin-bottom:32px;
}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-bottom:36px}
.hero-actions .button.hollow{color:#fff;border-color:rgba(255,255,255,.5)}
.hero-actions .button.hollow:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}
.hero-note{display:flex;align-items:center;gap:12px;font-size:14px;color:rgba(255,255,255,.62)}
.hero-note .stamp{
  font-family:var(--font-num);
  font-size:11px;letter-spacing:.16em;
  padding:3px 10px;
  border:1px solid rgba(169,200,70,.55);
  color:var(--c-accent);
  border-radius:var(--radius-pill);
}
.hero-figure{position:relative}
.hero-figure img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--radius);
  box-shadow:0 30px 60px -30px rgba(0,0,0,.75);
  transition:transform .3s var(--ease);
}
.hero-figure:hover img{transform:translateY(-4px)}
.hero-figure figcaption{
  margin-top:12px;
  font-size:13px;
  color:rgba(255,255,255,.55);
}
.hero-tags{
  position:relative;
  z-index:2;
  display:flex;flex-wrap:wrap;gap:10px;
  padding:22px 0;
  border-top:1px solid rgba(255,255,255,.12);
}
.hero-tags span{
  display:inline-flex;align-items:center;
  min-height:34px;
  padding:0 16px;
  border-radius:var(--radius-pill);
  background:rgba(169,200,70,.14);
  border:1px solid rgba(169,200,70,.4);
  color:#DCE9BE;
  font-size:13.5px;
  font-weight:600;
  letter-spacing:.02em;
}

/* ===== 通用标题 ===== */
.sec-head{margin-bottom:48px;max-width:760px}
.sec-head h2{font-size:32px;margin-bottom:14px}
.sec-head p{color:var(--c-ink-2);font-size:16.5px;line-height:1.85}
.sec-head--row{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  max-width:none;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-num);
  font-size:11.5px;letter-spacing:.18em;
  color:var(--c-primary);
  text-transform:uppercase;
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--c-accent)}

/* ===== 痛点提问区 ===== */
.issue-list{border-top:1px solid var(--c-line)}
.issue{
  display:flex;gap:24px;
  padding:30px 0;
  border-bottom:1px solid var(--c-line);
  align-items:flex-start;
  transition:background-color .2s var(--ease);
}
.issue:hover{background:var(--c-bg-alt)}
.issue-num{
  flex:0 0 46px;
  width:46px;height:46px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--c-line);
  border-radius:var(--radius);
  font-family:var(--font-num);
  font-size:15px;
  font-weight:600;
  color:var(--c-ink-3);
  background:var(--c-card);
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.issue:hover .issue-num{color:var(--c-accent-2);border-color:var(--c-accent-2)}
.issue-body{border-left:1px solid var(--c-line);padding-left:24px;flex:1 1 auto}
.issue-body h3{font-size:20px;margin-bottom:8px}
.issue-body p{color:var(--c-ink-2);font-size:15.5px;line-height:1.8;max-width:820px}

/* ===== 方案卡片区 ===== */
.card{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  height:100%;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--c-primary)}
.card--pad{padding:28px}
.card--feature{display:flex;flex-direction:column;overflow:hidden}
.card--feature img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0;
}
.card--feature .card-body{padding:28px;display:flex;flex-direction:column;flex:1 1 auto}
.card h3{font-size:21px;margin-bottom:12px}
.card p{color:var(--c-ink-2);font-size:15.5px;line-height:1.82}
.card--edge{border-left:3px solid var(--c-primary);margin-bottom:20px}
.card--edge:last-child{margin-bottom:0}
.card-stack{display:flex;flex-direction:column;height:100%}
.text-link{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--c-primary);
  font-weight:700;
  font-size:15.5px;
  margin-top:18px;
}
.text-link::after{
  content:"→";
  font-family:var(--font-num);
  transition:transform .2s var(--ease);
}
.text-link:hover::after{transform:translateX(4px)}
.text-link:hover{text-decoration:underline;text-underline-offset:4px}

/* ===== 数据区 ===== */
.stats{
  background:var(--c-primary-deep);
  color:#fff;
  padding:76px 0;
}
.stats-grid{display:flex;flex-wrap:wrap;align-items:stretch}
.stat{
  flex:1 1 0;
  min-width:180px;
  padding:8px 28px;
  border-left:1px solid rgba(255,255,255,.18);
}
.stat:first-child{border-left:none;padding-left:0}
.stat .num{
  font-family:var(--font-num);
  font-size:clamp(38px,4.6vw,58px);
  font-weight:700;
  line-height:1;
  letter-spacing:-.03em;
  color:#fff;
}
.stat .num small{font-size:.42em;font-weight:600;color:var(--c-accent);margin-left:6px;letter-spacing:0}
.stat .label{margin-top:14px;font-size:14px;color:rgba(255,255,255,.7);line-height:1.7}

/* ===== 分类频道卡 ===== */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.channel-card{display:flex;flex-direction:column;overflow:hidden;text-decoration:none}
.channel-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0}
.channel-card .inner{padding:26px;display:flex;flex-direction:column;flex:1 1 auto}
.channel-card .tag{margin-bottom:14px}
.channel-card h3{font-size:20px;margin-bottom:10px;transition:color .18s var(--ease)}
.channel-card:hover h3{color:var(--c-primary)}
.tag{
  display:inline-flex;align-items:center;align-self:flex-start;
  padding:4px 12px;
  border-radius:var(--radius-pill);
  background:var(--c-primary-soft);
  color:var(--c-primary);
  font-size:12px;
  font-weight:700;
  letter-spacing:.06em;
  font-family:var(--font-num);
}

/* ===== 流程 ===== */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--c-line)}
.flow-item{
  padding:32px 26px 32px 0;
  border-right:1px solid var(--c-line);
}
.flow-item:last-child{border-right:none}
.flow-item .step{
  font-family:var(--font-num);
  font-size:13px;
  letter-spacing:.14em;
  color:var(--c-accent-2);
  margin-bottom:14px;
}
.flow-item h3{font-size:19px;margin-bottom:10px}
.flow-item p{font-size:15px;color:var(--c-ink-2);line-height:1.8}

/* ===== 资讯列表 ===== */
.news-list{border-top:1px solid var(--c-line)}
.news-item{
  display:flex;gap:26px;
  padding:24px 0;
  border-bottom:1px solid var(--c-line);
  transition:background-color .2s var(--ease);
}
.news-item:hover{background:var(--c-bg-alt)}
.news-item:hover .news-title{color:var(--c-primary)}
.news-thumb{flex:0 0 176px;width:176px}
.news-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover}
.news-body{flex:1 1 auto;min-width:0}
.news-title{
  font-size:18.5px;
  line-height:1.55;
  margin-bottom:8px;
  transition:color .18s var(--ease);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-desc{
  color:var(--c-ink-3);
  font-size:15px;
  line-height:1.7;
  margin-bottom:12px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.news-time{
  font-family:var(--font-num);
  font-size:13px;
  color:var(--c-ink-3);
  letter-spacing:.02em;
}
.empty-state{
  padding:48px 0;
  text-align:center;
  color:var(--c-ink-3);
  font-size:16px;
  border-bottom:1px solid var(--c-line);
}
.empty-state .text-link{margin-top:12px}

/* ===== FAQ ===== */
.faq-wrap{border-bottom:1px solid var(--c-line)}
.faq-wrap .accordion-title{font-size:18px}
.faq-intro{color:var(--c-ink-2);font-size:16px;margin-bottom:28px;max-width:720px}

/* ===== CTA 带 ===== */
.cta-band{
  background:var(--c-primary-soft);
  border-top:1px solid var(--c-line);
  border-bottom:1px solid var(--c-line);
  padding:64px 0;
}
.cta-band h2{font-size:30px;margin-bottom:12px}
.cta-band p{color:var(--c-ink-2);font-size:16.5px;max-width:640px}
.cta-band .actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}

/* ===== 表单 ===== */
.form-section{background:var(--c-primary-deep);color:#fff;padding:96px 0}
.form-section h2{color:#fff;font-size:32px;margin-bottom:12px}
.form-section .intro{color:rgba(255,255,255,.72);font-size:16.5px;margin-bottom:36px;max-width:600px}
.form-panel{
  background:var(--c-card);
  border-radius:var(--radius);
  padding:36px;
  color:var(--c-ink);
  box-shadow:0 30px 70px -40px rgba(0,0,0,.7);
}
.field{margin-bottom:20px}
.field label{
  display:block;
  font-size:14px;
  font-weight:700;
  color:var(--c-ink);
  margin-bottom:8px;
}
.field label .req{color:var(--c-error);margin-left:4px}
.field input[type="text"],
.field input[type="tel"],
.field input[type="email"],
.field textarea{
  width:100%;
  height:46px;
  padding:0 14px;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--radius);
  font-size:15.5px;
  color:var(--c-ink);
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
  margin:0;
  box-shadow:none;
}
.field textarea{height:auto;min-height:124px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input:focus,.field textarea:focus{
  border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(47,93,58,.12);
  outline:none;
}
.field.has-error input,.field.has-error textarea{border-color:var(--c-error)}
.field .error-text{display:none;color:var(--c-error);font-size:12.5px;margin-top:6px}
.field.has-error .error-text{display:block}
.check-line{display:flex;align-items:flex-start;gap:10px;margin:4px 0 22px}
.check-line input{width:18px;height:18px;margin-top:3px;accent-color:var(--c-primary);flex:0 0 18px}
.check-line label{font-size:13.5px;color:var(--c-ink-2);line-height:1.7;margin:0;font-weight:400}
.form-privacy{
  font-size:12.5px;
  color:var(--c-ink-3);
  line-height:1.75;
  margin-top:16px;
}
.form-privacy a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px}
.form-success{
  display:none;
  margin-top:16px;
  padding:12px 16px;
  border-radius:var(--radius);
  background:var(--c-primary-soft);
  color:var(--c-primary-deep);
  font-size:14.5px;
  font-weight:600;
}
.form-success.is-visible{display:block}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--c-primary-deep);
  color:rgba(255,255,255,.72);
  padding:76px 0 0;
  font-size:15px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:52px;
}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.62);max-width:320px}
.footer-col h4{
  color:#fff;
  font-size:15px;
  letter-spacing:.06em;
  margin-bottom:20px;
  font-family:var(--font-num);
  font-weight:600;
}
.footer-col li{margin-bottom:12px}
.footer-col a{color:rgba(255,255,255,.72);font-size:14.5px}
.footer-col a:hover{color:var(--c-accent)}
.footer-contact p{font-size:14.5px;margin-bottom:12px;color:rgba(255,255,255,.68)}
.footer-contact .badge{
  display:inline-flex;align-items:center;
  padding:4px 12px;
  border-radius:var(--radius-pill);
  border:1px solid rgba(169,200,70,.45);
  color:var(--c-accent);
  font-size:12px;
  font-family:var(--font-num);
  letter-spacing:.08em;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:24px 0 32px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13.5px;
  color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.6)}
.footer-bottom a:hover{color:var(--c-accent)}

/* ===== 返回顶部 ===== */
.to-top{
  position:fixed;
  right:22px;bottom:22px;
  width:40px;height:40px;
  border-radius:50%;
  border:1px solid var(--c-line);
  background:var(--c-card);
  color:var(--c-primary);
  font-size:16px;
  line-height:1;
  cursor:pointer;
  box-shadow:var(--shadow);
  opacity:0;visibility:hidden;
  transition:opacity .2s var(--ease),visibility .2s var(--ease),background-color .2s var(--ease);
  z-index:50;
}
.to-top.is-visible{opacity:1;visibility:visible}
.to-top:hover{background:var(--c-primary);color:#fff;border-color:var(--c-primary)}

/* ===== 入场动效 ===== */
.reveal-item{opacity:0;transform:translateY(12px)}
.reveal-item.is-in{
  opacity:1;transform:none;
  transition:opacity .22s var(--ease),transform .22s var(--ease);
}

/* ===== 响应式 ===== */
@media screen and (max-width:1023px){
  .nav-links{display:none}
  .nav-cta .button{display:none}
  .nav-toggle{display:block}
  .section{padding:76px 0}
  .hero{padding-top:calc(var(--nav-h-sm) + 56px)}
  .channel-grid{grid-template-columns:1fr 1fr}
  .flow{grid-template-columns:1fr 1fr}
  .flow-item:nth-child(2n){border-right:none}
  .flow-item{padding:28px 22px 28px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media screen and (max-width:767px){
  body{font-size:16px}
  .container{padding:0 18px}
  .section{padding:56px 0}
  .section--tight{padding:48px 0}
  .hero h1{font-size:clamp(30px,8.4vw,40px)}
  .hero-lead{font-size:16.5px}
  .hero-figure{margin-top:36px}
  .hero-figure img{aspect-ratio:16/10}
  .sec-head h2{font-size:25px}
  .sec-head--row{flex-direction:column;align-items:flex-start}
  .channel-grid{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr}
  .flow-item{border-right:none;border-bottom:1px solid var(--c-line);padding:26px 0}
  .flow-item:last-child{border-bottom:none}
  .stat{flex:1 1 46%;min-width:0;padding:14px 18px;border-left:none;border-top:1px solid rgba(255,255,255,.18)}
  .stat:first-child{border-top:none;padding-left:18px}
  .news-item{gap:16px}
  .news-thumb{flex:0 0 112px;width:112px}
  .news-title{font-size:16.5px}
  .news-desc{display:none}
  .form-panel{padding:24px}
  .form-panel .button{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .cta-band h2{font-size:24px}
  .form-section h2{font-size:25px}
  .issue{flex-direction:row;gap:16px;padding:24px 0}
  .issue-num{flex:0 0 40px;width:40px;height:40px;font-size:13px}
  .issue-body{padding-left:16px}
  .issue-body h3{font-size:17.5px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .reveal-item{opacity:1;transform:none}
}

/* roulang page: category1 */
:root{
  --c-primary:#2F5D3A;
  --c-primary-deep:#1E4028;
  --c-accent:#A9C846;
  --c-accent-2:#D9902A;
  --c-bg:#FAF9F4;
  --c-bg-alt:#F0EFE6;
  --c-card:#FFFFFF;
  --c-ink:#14201A;
  --c-ink-2:#4A5751;
  --c-ink-3:#8A9189;
  --c-line:#E3E3DA;
  --c-tag:#EAF0DA;
  --c-error:#B4463A;
  --radius:4px;
  --shadow-1:0 1px 2px rgba(20,32,26,.05);
  --shadow-2:0 14px 30px -14px rgba(20,32,26,.20);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"SF Mono",ui-monospace,"Roboto Mono","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--c-primary);text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--c-primary-deep)}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4,h5,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:2px}
::selection{background:var(--c-accent);color:var(--c-primary-deep)}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-sm{padding:64px 0}
.section-alt{background:var(--c-bg-alt)}
.section-line{border-top:1px solid var(--c-line)}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-num);font-size:12px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--c-ink-3);font-weight:600;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--c-accent);display:inline-block}
h1,h2,h3,h4{font-weight:800;letter-spacing:-.02em;line-height:1.18;color:var(--c-ink)}
.h1{font-size:42px;line-height:1.2}
.h2{font-size:28px;line-height:1.3}
.h3{font-size:22px;line-height:1.35}
.lead{font-size:17px;line-height:1.85;color:var(--c-ink-2)}
.muted{color:var(--c-ink-3);font-size:14px}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:14px 28px;border-radius:var(--radius);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:background-color .18s var(--ease),color .18s var(--ease),transform .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
  border:1px solid transparent;white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-tag);color:var(--c-primary-deep)}
.btn-on-dark{background:var(--c-accent);color:var(--c-primary-deep)}
.btn-on-dark:hover{background:#B9D657;color:var(--c-primary-deep);transform:translateY(-1px)}
.btn-sm{min-height:40px;padding:10px 18px;font-size:14px}
.link-more{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:15px;color:var(--c-primary);border-bottom:1px solid transparent}
.link-more .arrow{transition:transform .18s var(--ease)}
.link-more:hover{border-bottom-color:var(--c-primary)}
.link-more:hover .arrow{transform:translateX(4px)}

/* ---------- badge / tag ---------- */
.tag{display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;background:var(--c-tag);color:var(--c-primary);font-size:12px;font-weight:700;letter-spacing:.02em}
.badge{display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;border:1px solid var(--c-line);background:#fff;color:var(--c-ink-2);font-size:12px;font-family:var(--font-num);letter-spacing:.04em}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--c-line);transition:box-shadow .2s var(--ease)}
.site-header.is-scrolled{box-shadow:0 6px 18px -14px rgba(20,32,26,.35)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:68px;transition:min-height .2s var(--ease)}
.site-header.is-scrolled .header-inner{min-height:56px}
.brand{display:inline-flex;align-items:center;gap:11px;flex:none}
.brand-mark{position:relative;width:32px;height:32px;border-radius:50%;background:var(--c-primary);flex:none}
.brand-mark::after{content:"";position:absolute;inset:9px;border-radius:50%;background:var(--c-accent)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-main{font-size:17px;font-weight:800;color:var(--c-ink);letter-spacing:-.01em}
.brand-sub{font-size:11px;letter-spacing:.22em;color:var(--c-ink-3);font-weight:600}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{position:relative;display:inline-flex;align-items:center;height:44px;padding:0 14px;font-size:15px;font-weight:500;color:var(--c-ink-2)}
.nav-links a::after{content:"";position:absolute;left:14px;bottom:7px;width:24px;height:2px;background:var(--c-primary);transform:scaleX(0);transform-origin:left center;transition:transform .18s var(--ease)}
.nav-links a:hover{color:var(--c-primary)}
.nav-links a:hover::after,.nav-links a.is-active::after{transform:scaleX(1)}
.nav-links a.is-active{color:var(--c-primary);font-weight:700}
.header-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{display:none;width:44px;height:44px;border-radius:var(--radius);align-items:center;justify-content:center;flex-direction:column;gap:5px;border:1px solid var(--c-line)}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px;transition:transform .2s var(--ease),opacity .2s var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- drawer ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(20,32,26,.45);opacity:0;visibility:hidden;transition:opacity .22s var(--ease),visibility .22s var(--ease);z-index:90}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;bottom:0;width:86%;max-width:360px;background:#fff;z-index:95;transform:translateX(100%);transition:transform .26s var(--ease);display:flex;flex-direction:column;padding:24px 22px;overflow-y:auto}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-close{width:44px;height:44px;border-radius:var(--radius);display:flex;align-items:center;justify-content:center;border:1px solid var(--c-line);font-size:20px;color:var(--c-ink-2)}
.drawer-nav{display:flex;flex-direction:column;border-top:1px solid var(--c-line)}
.drawer-nav a{padding:15px 2px;font-size:16px;font-weight:600;color:var(--c-ink);border-bottom:1px solid var(--c-line);display:flex;align-items:center;justify-content:space-between}
.drawer-nav a.is-active{color:var(--c-primary)}
.drawer-nav a.is-active::after{content:"当前";font-size:11px;font-weight:700;color:var(--c-primary);background:var(--c-tag);border-radius:999px;padding:2px 10px}
.drawer-foot{margin-top:24px;display:flex;flex-direction:column;gap:14px}
.drawer-foot .muted{font-size:13px}

/* ---------- breadcrumb ---------- */
.breadcrumb{padding:20px 0 0}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-3)}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px}
.breadcrumb li:not(:last-child)::after{content:"/";color:var(--c-line)}
.breadcrumb a{color:var(--c-ink-3)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .current{color:var(--c-ink-2);font-weight:600}

/* ---------- hero split 5:7 ---------- */
.hero{padding:48px 0 72px}
.hero-grid{align-items:center}
.hero-copy .eyebrow{margin-bottom:16px}
.hero-copy h1{margin-bottom:18px}
.hero-copy .lead{max-width:520px;margin-bottom:26px}
.hero-cta{display:flex;flex-wrap:wrap;align-items:center;gap:18px}
.hero-media{position:relative}
.hero-media img{width:100%;aspect-ratio:7/5;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow-1);transition:transform .22s var(--ease),box-shadow .22s var(--ease)}
.hero-media:hover img{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.hero-media .img-note{position:absolute;left:16px;bottom:16px;background:rgba(255,255,255,.94);border-radius:var(--radius);padding:8px 14px;font-size:12px;color:var(--c-ink-2);font-weight:600}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px;padding-top:22px;border-top:1px solid var(--c-line)}

/* ---------- key points (two columns, divider lines) ---------- */
.key-points{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--c-line);margin-top:40px}
.key-points .kp{padding:32px 36px 32px 0;border-bottom:1px solid var(--c-line)}
.key-points .kp:nth-child(2n){padding-right:0;padding-left:36px;border-left:1px solid var(--c-line)}
.key-points .kp .idx{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:var(--radius);background:var(--c-bg-alt);color:var(--c-primary-deep);font-family:var(--font-num);font-size:13px;font-weight:700;margin-bottom:14px}
.key-points .kp h3{font-size:19px;margin-bottom:10px}
.key-points .kp p{font-size:15px;color:var(--c-ink-2);line-height:1.85}

/* ---------- step list ---------- */
.steps{counter-reset:step;margin-top:36px;border-top:1px solid var(--c-line)}
.steps li{display:grid;grid-template-columns:64px 1fr;gap:20px;padding:26px 0;border-bottom:1px solid var(--c-line);transition:background-color .18s var(--ease)}
.steps li:hover{background:#fff}
.steps li .sn{font-family:var(--font-num);font-size:22px;font-weight:700;color:var(--c-accent-2);line-height:1.2}
.steps li h3{font-size:18px;margin-bottom:8px}
.steps li p{font-size:15px;color:var(--c-ink-2)}

/* ---------- media band ---------- */
.band{display:grid;grid-template-columns:1fr 1fr;gap:0;align-items:stretch;border:1px solid var(--c-line);background:#fff;border-radius:var(--radius);overflow:hidden;margin-top:40px}
.band img{width:100%;height:100%;min-height:280px;object-fit:cover}
.band-body{padding:40px 40px}
.band-body h3{font-size:22px;margin-bottom:14px}
.band-body p{font-size:15px;color:var(--c-ink-2);margin-bottom:18px}
.check-list li{position:relative;padding-left:22px;font-size:15px;color:var(--c-ink-2);margin-bottom:10px}
.check-list li::before{content:"";position:absolute;left:0;top:12px;width:8px;height:8px;background:var(--c-primary);border-radius:2px}

/* ---------- FAQ ---------- */
.faq{margin-top:36px;border-top:1px solid var(--c-line)}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;text-align:left;padding:22px 2px;font-size:18px;font-weight:700;color:var(--c-ink);transition:color .18s var(--ease)}
.faq-q:hover{color:var(--c-primary)}
.faq-q .ic{position:relative;flex:none;width:20px;height:20px}
.faq-q .ic::before,.faq-q .ic::after{content:"";position:absolute;background:var(--c-primary);border-radius:2px;transition:transform .18s var(--ease),opacity .18s var(--ease)}
.faq-q .ic::before{left:0;top:9px;width:20px;height:2px}
.faq-q .ic::after{left:9px;top:0;width:2px;height:20px}
.faq-item.is-open .faq-q .ic::after{transform:rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease)}
.faq-a p{padding:0 2px 24px;font-size:16px;line-height:1.8;color:var(--c-ink-2)}

/* ---------- CTA + form ---------- */
.cta-panel{background:var(--c-primary-deep);color:#fff;border-radius:var(--radius);padding:56px 48px;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:start;margin-top:8px}
.cta-panel h2{color:#fff;font-size:30px;margin-bottom:14px}
.cta-panel .lead{color:rgba(255,255,255,.80);font-size:16px;max-width:440px}
.cta-panel .tag{background:rgba(169,200,70,.18);color:var(--c-accent);margin-bottom:16px}
.cta-points{margin-top:26px;display:flex;flex-direction:column;gap:12px}
.cta-points li{display:flex;gap:12px;font-size:15px;color:rgba(255,255,255,.86)}
.cta-points li span{font-family:var(--font-num);color:var(--c-accent);font-weight:700}
.form-card{background:#fff;border-radius:var(--radius);padding:32px;box-shadow:var(--shadow-2)}
.form-card h3{font-size:20px;margin-bottom:6px}
.form-card .muted{margin-bottom:20px;display:block}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:700;color:var(--c-ink);margin-bottom:8px}
.field input[type="text"],.field input[type="tel"],.field textarea{width:100%;background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);padding:11px 14px;font-size:15px;line-height:1.5;min-height:46px;transition:border-color .18s var(--ease),box-shadow .18s var(--ease)}
.field textarea{min-height:104px;resize:vertical}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(47,93,58,.12)}
.field.has-error input,.field.has-error textarea{border-color:var(--c-error)}
.field .err{display:none;font-size:12px;color:var(--c-error);margin-top:6px}
.field.has-error .err{display:block}
.check{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--c-ink-2);line-height:1.7}
.check input{margin-top:5px;width:16px;height:16px;accent-color:var(--c-primary);flex:none}
.form-actions{margin-top:22px}
.form-actions .btn{width:100%}
.privacy-note{margin-top:16px;font-size:12.5px;color:var(--c-ink-3);line-height:1.7}
.privacy-note a{text-decoration:underline}

/* ---------- modal ---------- */
.modal-mask{position:fixed;inset:0;background:rgba(20,32,26,.45);display:none;align-items:center;justify-content:center;padding:20px;z-index:120}
.modal-mask.is-open{display:flex}
.modal{position:relative;width:100%;max-width:520px;background:#fff;border-radius:var(--radius);padding:32px;max-height:88vh;overflow-y:auto;box-shadow:var(--shadow-2)}
.modal h3{font-size:20px;margin-bottom:6px}
.modal .muted{display:block;margin-bottom:20px}
.modal-close{position:absolute;right:14px;top:14px;width:40px;height:40px;border-radius:var(--radius);display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--c-ink-2);border:1px solid var(--c-line)}
.modal-close:hover{color:var(--c-primary);border-color:var(--c-primary)}

/* ---------- footer ---------- */
.site-footer{background:var(--c-primary-deep);color:rgba(255,255,255,.80);padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:48px}
.site-footer .brand-main{color:#fff}
.site-footer .brand-sub{color:var(--c-accent)}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.70);max-width:320px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;letter-spacing:0}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.74)}
.footer-col a:hover{color:var(--c-accent)}
.footer-contact p{font-size:14px;margin-bottom:8px;color:rgba(255,255,255,.74)}
.site-footer .badge{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.18);color:rgba(255,255,255,.78)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.18);padding:20px 0;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:rgba(255,255,255,.62)}
.footer-bottom a{color:rgba(255,255,255,.62)}
.footer-bottom a:hover{color:var(--c-accent)}

/* ---------- to top ---------- */
.to-top{position:fixed;right:24px;bottom:24px;width:40px;height:40px;border-radius:50%;background:var(--c-primary);color:#fff;display:flex;align-items:center;justify-content:center;z-index:100;opacity:0;visibility:hidden;transition:opacity .2s var(--ease),visibility .2s var(--ease),background-color .2s var(--ease)}
.to-top.is-visible{opacity:1;visibility:visible}
.to-top:hover{background:var(--c-primary-deep)}

/* ---------- motion ---------- */
.fade-up{opacity:0;transform:translateY(12px);transition:opacity .22s var(--ease),transform .22s var(--ease)}
.fade-up.is-in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .header-actions .btn-sm{display:none}
  .h1{font-size:38px}
  .h2{font-size:25px}
  .section{padding:72px 0}
  .hero{padding:36px 0 56px}
  .hero-copy .lead{max-width:none}
  .cta-panel{grid-template-columns:1fr;gap:32px;padding:40px 32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .h1{font-size:34px}
  .h2{font-size:23px}
  .section{padding:56px 0}
  .key-points{grid-template-columns:1fr}
  .key-points .kp{padding:24px 0}
  .key-points .kp:nth-child(2n){padding-left:0;border-left:0}
  .band{grid-template-columns:1fr}
  .band img{min-height:200px;aspect-ratio:16/10}
  .band-body{padding:28px 24px}
  .steps li{grid-template-columns:44px 1fr;gap:14px}
  .cta-panel{padding:32px 22px}
  .cta-panel h2{font-size:24px}
  .form-card{padding:24px 20px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .hero-meta{margin-top:22px}
  .modal{padding:26px 20px}
}
@media (max-width:520px){
  .h1{font-size:30px}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta .btn{width:100%}
  .hero-cta .link-more{justify-content:center}
  .faq-q{font-size:16px}
  .breadcrumb ol{font-size:12px}
  .to-top{right:16px;bottom:16px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .fade-up{opacity:1;transform:none}
}

/* roulang page: article */
:root{
  --c-primary:#2F5D3A;
  --c-primary-deep:#1E4028;
  --c-primary-soft:#EAF0DA;
  --c-accent:#A9C846;
  --c-accent-2:#D9902A;
  --c-bg:#FAF9F4;
  --c-bg-alt:#F0EFE6;
  --c-white:#FFFFFF;
  --c-ink:#14201A;
  --c-ink-2:#4A5751;
  --c-ink-3:#8A9189;
  --c-line:#E3E3DA;
  --c-error:#B4463A;
  --r-sm:4px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,32,26,.05);
  --sh-2:0 14px 30px -14px rgba(20,32,26,.20);
  --ff:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --ff-num:"SFMono-Regular",ui-monospace,"JetBrains Mono",Menlo,Consolas,monospace;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--ff);
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
}
img{max-width:100%;display:block;height:auto}
a{color:var(--c-primary);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--c-primary-deep)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.2;color:var(--c-ink)}
p{margin:0}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--tight{padding:64px 0}
.hairline{height:1px;background:var(--c-line);border:0;margin:0}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:var(--c-white);
  border-bottom:1px solid transparent;
  transition:box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.site-header.is-stuck{border-bottom-color:var(--c-line);box-shadow:0 1px 2px rgba(20,32,26,.06)}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:68px;transition:height .22s var(--ease);
}
.site-header.is-stuck .header-inner{height:56px}
.brand{display:flex;align-items:center;gap:10px;color:var(--c-ink)}
.brand:hover{color:var(--c-ink)}
.brand-mark{
  width:10px;height:30px;border-radius:2px;
  background:linear-gradient(180deg,var(--c-primary) 0%,var(--c-accent) 100%);
  flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-main{font-size:18px;font-weight:800;letter-spacing:-.01em}
.brand-sub{font-size:11px;letter-spacing:.18em;color:var(--c-ink-3);font-weight:600}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{
  position:relative;display:block;padding:10px 14px;
  font-size:15px;font-weight:600;color:var(--c-ink-2);
  min-height:44px;
}
.nav-links a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left;
  transition:transform .18s var(--ease);
}
.nav-links a:hover{color:var(--c-primary)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.is-active{color:var(--c-primary)}
.nav-links a.is-active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:13px 26px;border-radius:var(--r-sm);
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:background-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{background:var(--c-primary);color:#fff;border-color:var(--c-primary)}
.btn-primary:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary-deep)}
.btn-soft{background:var(--c-primary-soft);color:var(--c-primary-deep);border-color:transparent}
.btn-soft:hover{background:#DEE8C6;color:var(--c-primary-deep)}
.btn-block{width:100%}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:15px;
  color:var(--c-primary);border-bottom:1px solid transparent;padding-bottom:2px;
}
.link-more .arw{transition:transform .2s var(--ease)}
.link-more:hover{border-bottom-color:var(--c-primary)}
.link-more:hover .arw{transform:translateX(4px)}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--c-line);
  border-radius:var(--r-sm);background:var(--c-white);cursor:pointer;padding:0;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px}

/* ---------- drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,32,26,.45);opacity:0;visibility:hidden;
  transition:opacity .22s var(--ease),visibility .22s var(--ease);z-index:200;
}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:86%;max-width:380px;background:var(--c-white);
  z-index:210;transform:translateX(102%);transition:transform .28s var(--ease);
  display:flex;flex-direction:column;padding:24px;overflow-y:auto;
}
body.drawer-open .drawer-mask{opacity:1;visibility:visible}
body.drawer-open .drawer{transform:translateX(0)}
body.drawer-open{overflow:hidden}
.drawer-close{
  align-self:flex-end;width:44px;height:44px;border:1px solid var(--c-line);
  background:#fff;border-radius:var(--r-sm);font-size:20px;line-height:1;color:var(--c-ink-2);cursor:pointer;
}
.drawer-nav{display:flex;flex-direction:column;margin-top:16px;border-top:1px solid var(--c-line)}
.drawer-nav a{
  padding:16px 4px;font-size:17px;font-weight:600;color:var(--c-ink);
  border-bottom:1px solid var(--c-line);min-height:44px;
}
.drawer-nav a.is-active{color:var(--c-primary)}
.drawer-cta{margin-top:24px}
.drawer-meta{margin-top:auto;padding-top:24px;font-size:13px;color:var(--c-ink-3);line-height:1.9}

/* ---------- article head banner ---------- */
.article-banner{
  position:relative;
  background-image:linear-gradient(rgba(30,64,40,.82),rgba(30,64,40,.82)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  padding:56px 0 48px;color:#fff;
}
.article-banner h1{
  color:#fff;font-size:34px;line-height:1.28;letter-spacing:-.01em;
  max-width:900px;margin-bottom:18px;
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.82);margin-bottom:20px;
}
.breadcrumb a{color:rgba(255,255,255,.9)}
.breadcrumb a:hover{color:var(--c-accent)}
.breadcrumb .sep{color:rgba(255,255,255,.45)}
.breadcrumb .current{color:#fff;max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.meta-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  font-size:13.5px;color:rgba(255,255,255,.85);
}
.meta-bar .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.5)}
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:var(--r-pill);
  background:var(--c-primary-soft);color:var(--c-primary-deep);
  font-size:12px;font-weight:700;letter-spacing:.04em;
}
.tag-pill--onDark{background:rgba(169,200,70,.22);color:#EAF0DA;border:1px solid rgba(169,200,70,.45)}

/* ---------- article layout ---------- */
.article-wrap{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;
  padding:64px 0 8px;
}
.article-main{min-width:0}
.article-body{max-width:760px}
.article-body > * + *{margin-top:1.15em}
.article-body p{font-size:17px;line-height:1.9;color:var(--c-ink-2)}
.article-body h2{
  font-size:26px;line-height:1.35;margin-top:2em;padding-left:14px;
  border-left:3px solid var(--c-primary);color:var(--c-ink);
}
.article-body h3{font-size:20px;margin-top:1.7em;color:var(--c-ink)}
.article-body ul,.article-body ol{margin:1.1em 0;padding-left:0}
.article-body ul li,.article-body ol li{
  position:relative;padding-left:26px;margin-bottom:.7em;
  font-size:16.5px;line-height:1.85;color:var(--c-ink-2);
}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:.68em;width:8px;height:8px;
  background:var(--c-primary);border-radius:2px;
}
.article-body ol{counter-reset:olist}
.article-body ol li{counter-increment:olist}
.article-body ol li::before{
  content:counter(olist,decimal-leading-zero);
  position:absolute;left:0;top:.15em;font-family:var(--ff-num);
  font-size:14px;font-weight:700;color:var(--c-accent-2);
}
.article-body blockquote{
  margin:1.6em 0;padding:20px 24px;background:var(--c-bg-alt);
  border-left:3px solid var(--c-primary);border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:var(--c-ink-2);font-size:16.5px;
}
.article-body img{border-radius:var(--r-sm);margin:1.6em 0 .6em;width:100%}
.article-body figure{margin:1.6em 0}
.article-body figcaption,.article-body .caption{
  font-size:13px;color:var(--c-ink-3);text-align:center;margin-top:.4em;
}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;
  background:var(--c-bg-alt);border-radius:var(--r-sm);overflow:hidden;
}
.article-body th,.article-body td{padding:12px 16px;text-align:left;border:0}
.article-body th{color:var(--c-ink);font-weight:700;background:#E7E7DB}
.article-body td{color:var(--c-ink-2);border-top:1px solid var(--c-line)}
.article-body hr{border:0;height:1px;background:var(--c-line);margin:2.2em 0}
.article-body strong{color:var(--c-ink)}

.empty-state{
  max-width:760px;padding:40px 32px;background:var(--c-white);
  border:1px solid var(--c-line);border-radius:var(--r-sm);box-shadow:var(--sh-1);
}
.empty-state h2{font-size:22px;margin-bottom:12px}
.empty-state p{color:var(--c-ink-2);font-size:16px;margin-bottom:18px}

/* ---------- sidebar / toc ---------- */
.article-side{position:relative}
.side-sticky{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--c-white);border:1px solid var(--c-line);border-radius:var(--r-sm);
  padding:22px;box-shadow:var(--sh-1);
}
.side-card h3{
  font-size:15px;letter-spacing:.06em;color:var(--c-ink-3);font-weight:700;
  text-transform:uppercase;margin-bottom:14px;
}
.side-links li + li{border-top:1px solid var(--c-line)}
.side-links a{
  display:block;padding:11px 0;font-size:15px;font-weight:600;color:var(--c-ink-2);min-height:44px;
}
.side-links a:hover{color:var(--c-primary)}
.side-note{font-size:13px;color:var(--c-ink-3);line-height:1.8}
.side-cta{background:var(--c-primary-soft);border-color:transparent}
.side-cta h3{color:var(--c-primary-deep)}
.side-cta p{font-size:14px;color:var(--c-primary-deep);margin-bottom:14px;line-height:1.75}

/* ---------- related ---------- */
.related{margin-top:64px;padding-top:40px;border-top:1px solid var(--c-line)}
.related h2{font-size:24px;margin-bottom:8px}
.related-sub{font-size:15px;color:var(--c-ink-3);margin-bottom:22px}
.post-list{display:flex;flex-direction:column}
.post-item{
  display:flex;gap:20px;padding:20px 16px;margin:0 -16px;border-bottom:1px solid var(--c-line);
  transition:background-color .2s var(--ease);
}
.post-item:hover{background:var(--c-bg)}
.post-thumb{
  flex:0 0 160px;width:160px;aspect-ratio:16/10;border-radius:var(--r-sm);
  overflow:hidden;background:var(--c-bg-alt);
}
.post-thumb img{width:100%;height:100%;object-fit:cover}
.post-body{min-width:0;display:flex;flex-direction:column;gap:8px}
.post-title{font-size:18px;font-weight:700;color:var(--c-ink);line-height:1.5}
.post-item:hover .post-title{color:var(--c-primary)}
.post-excerpt{
  font-size:15px;color:var(--c-ink-3);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--c-ink-3)}
.post-meta .time{font-family:var(--ff-num)}
.related-foot{margin-top:28px;display:flex;flex-wrap:wrap;gap:12px;align-items:center}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--c-primary-soft);border-top:1px solid #DCE5C8;border-bottom:1px solid #DCE5C8;
  padding:56px 0;
}
.cta-inner{display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between}
.cta-inner h2{font-size:26px;margin-bottom:10px}
.cta-inner p{font-size:15.5px;color:var(--c-ink-2);max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- form ---------- */
.form-section{padding:88px 0}
.form-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:start}
.form-intro h2{font-size:28px;margin-bottom:14px}
.form-intro p{color:var(--c-ink-2);font-size:16px;max-width:520px}
.field{margin-bottom:20px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--c-ink);margin-bottom:8px}
.field input[type="text"],
.field input[type="tel"],
.field input[type="email"],
.field textarea{
  width:100%;min-height:46px;padding:11px 14px;font-size:15.5px;color:var(--c-ink);
  background:var(--c-white);border:1px solid var(--c-line);border-radius:var(--r-sm);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{min-height:120px;resize:vertical;line-height:1.7}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(47,93,58,.12);
}
.check-row{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--c-ink-2)}
.check-row input{margin-top:5px;width:16px;height:16px;accent-color:var(--c-primary)}
.privacy-note{margin-top:14px;font-size:12.5px;color:var(--c-ink-3);line-height:1.8}
.privacy-note a{color:var(--c-ink-2);text-decoration:underline}

/* ---------- footer ---------- */
.site-footer{background:var(--c-primary-deep);color:rgba(255,255,255,.78);padding:72px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .brand-main,.footer-brand .brand-sub{color:#fff}
.footer-brand .brand-sub{color:var(--c-accent)}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);max-width:320px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700}
.footer-col ul li + li{margin-top:10px}
.footer-col a{color:rgba(255,255,255,.76);font-size:14.5px}
.footer-col a:hover{color:var(--c-accent)}
.footer-contact p{font-size:14px;color:rgba(255,255,255,.72);margin-bottom:8px}
.badge{
  display:inline-block;padding:4px 12px;border-radius:var(--r-pill);
  background:rgba(169,200,70,.16);border:1px solid rgba(169,200,70,.35);
  color:var(--c-accent);font-size:12px;letter-spacing:.06em;font-family:var(--ff-num);
}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.16);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.72)}
.footer-bottom a:hover{color:var(--c-accent)}
.to-top{
  position:fixed;right:24px;bottom:24px;width:40px;height:40px;border-radius:50%;
  background:var(--c-primary);color:#fff;border:0;cursor:pointer;font-size:16px;
  display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;
  transition:opacity .2s var(--ease),visibility .2s var(--ease),background-color .2s var(--ease);
  z-index:150;
}
.to-top.is-show{opacity:1;visibility:visible}
.to-top:hover{background:var(--c-primary-deep)}

/* ---------- reveal ---------- */
.reveal-on{opacity:0;transform:translateY(12px);transition:opacity .22s var(--ease),transform .22s var(--ease)}
.reveal-on.is-in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .header-actions .btn{display:none}
  .article-wrap{grid-template-columns:minmax(0,1fr);gap:40px;padding:48px 0 8px}
  .article-side{order:2}
  .side-sticky{position:static}
  .form-grid{grid-template-columns:minmax(0,1fr);gap:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:72px 0}
  .article-banner h1{font-size:30px}
}
@media (max-width:640px){
  .container{padding:0 18px}
  .section{padding:56px 0}
  .article-banner{padding:40px 0 34px}
  .article-banner h1{font-size:24px}
  .breadcrumb .current{max-width:180px}
  .article-body p{font-size:16.5px}
  .article-body h2{font-size:22px}
  .post-item{flex-direction:column;gap:14px;padding:18px 0;margin:0}
  .post-thumb{width:100%;flex:0 0 auto;aspect-ratio:16/9}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .to-top{right:16px;bottom:16px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  .reveal-on{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
  --c-primary:#2F5D3A;
  --c-primary-deep:#1E4028;
  --c-accent:#A9C846;
  --c-accent-2:#D9902A;
  --c-bg:#FAF9F4;
  --c-bg-alt:#F0EFE6;
  --c-card:#FFFFFF;
  --c-ink:#14201A;
  --c-ink-2:#4A5751;
  --c-ink-3:#8A9189;
  --c-line:#E3E3DA;
  --c-soft:#EAF0DA;
  --c-error:#B4463A;
  --radius-s:4px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(20,32,26,.05);
  --shadow-2:0 14px 30px -14px rgba(20,32,26,.20);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  --font-num:"SFMono-Regular",Menlo,Consolas,"Roboto Mono",monospace;
  --sect:110px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;
  font-family:var(--font-sans);
  font-size:17px;line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s var(--ease);}
a:hover{color:var(--c-primary-deep);}
button{font-family:inherit;}
h1,h2,h3,h4{font-weight:800;color:var(--c-ink);margin:0 0 .6em;letter-spacing:-.02em;line-height:1.18;}
p{margin:0 0 1.15em;}
ul,ol{margin:0 0 1.15em;padding-left:1.1em;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:var(--sect) 0;}
.section--tight{padding:64px 0;}
.section--alt{background:var(--c-bg-alt);}
.eyebrow{
  display:inline-block;font-family:var(--font-num);
  font-size:12px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--c-primary);background:var(--c-soft);
  padding:5px 12px;border-radius:var(--radius-pill);margin-bottom:18px;
}
.sect-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:44px;}
.sect-head h2{font-size:28px;margin:0;}
.sect-head p{margin:0;color:var(--c-ink-2);font-size:15px;max-width:640px;}
.lead{font-size:18px;color:var(--c-ink-2);line-height:1.85;}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .2s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 18px -12px rgba(20,32,26,.28);}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:68px;
}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--c-ink);}
.brand:hover{color:var(--c-ink);}
.brand-mark{
  width:14px;height:30px;border-radius:3px;flex:none;
  background:linear-gradient(180deg,var(--c-accent) 0 45%,var(--c-primary) 45% 100%);
}
.brand-text{display:flex;flex-direction:column;line-height:1.12;}
.brand-main{font-size:18px;font-weight:800;letter-spacing:-.01em;}
.brand-sub{font-size:11px;letter-spacing:.22em;color:var(--c-ink-3);}
.nav-links{display:flex;align-items:center;gap:30px;}
.nav-links a{
  position:relative;font-size:15px;color:var(--c-ink-2);
  padding:24px 0;line-height:1;font-weight:600;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:16px;height:2px;width:0;
  background:var(--c-primary);transition:width .18s var(--ease);
}
.nav-links a:hover{color:var(--c-primary);}
.nav-links a:hover::after{width:24px;}
.nav-links a.is-active{color:var(--c-primary);font-weight:800;}
.nav-links a.is-active::after{width:24px;}
.header-cta{display:inline-flex;align-items:center;gap:8px;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--c-line);
  background:#fff;border-radius:var(--radius-s);color:var(--c-ink);cursor:pointer;
}
.nav-toggle i{font-size:17px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:16px;font-weight:700;line-height:1;
  padding:14px 28px;border-radius:var(--radius-s);border:1px solid transparent;
  cursor:pointer;transition:all .2s var(--ease);min-height:46px;
}
.btn-primary{background:var(--c-primary);color:#fff;}
.btn-primary:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-soft);color:var(--c-primary-deep);}
.btn-on-dark{background:var(--c-accent);color:var(--c-primary-deep);}
.btn-on-dark:hover{background:#fff;color:var(--c-primary-deep);transform:translateY(-1px);}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:15px;
  color:var(--c-primary);border-bottom:1px solid transparent;
}
.link-arrow i{transition:transform .2s var(--ease);font-size:12px;}
.link-arrow:hover{border-bottom-color:var(--c-primary);}
.link-arrow:hover i{transform:translateX(4px);}

/* ---------- banner hero ---------- */
.banner{
  position:relative;min-height:320px;display:flex;align-items:center;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  overflow:hidden;
}
.banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(30,64,40,.88) 0%,rgba(30,64,40,.72) 48%,rgba(30,64,40,.45) 100%);
}
.banner-inner{position:relative;z-index:2;padding:74px 0 68px;max-width:820px;}
.banner h1{
  font-size:42px;color:#fff;margin:0 0 18px;letter-spacing:-.02em;line-height:1.2;
}
.banner h1 span{color:var(--c-accent);}
.banner .banner-lead{
  color:rgba(255,255,255,.9);font-size:18px;line-height:1.85;margin:0 0 30px;max-width:680px;
}
.banner-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.banner-meta{
  position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:10px;
  padding:0 0 26px;margin-top:-6px;
}
.badge-pill{
  display:inline-block;font-size:12px;padding:6px 14px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.26);
}

/* ---------- breadcrumb ---------- */
.crumb{font-size:13px;color:var(--c-ink-3);padding:18px 0 0;}
.crumb a{color:var(--c-ink-3);}
.crumb a:hover{color:var(--c-primary);}
.crumb span{margin:0 8px;}

/* ---------- staggered cards ---------- */
.stagger{
  display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start;
}
.stagger--offset .stagger-col:last-child{margin-top:56px;}
.stagger-col{display:flex;flex-direction:column;gap:28px;}
.card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--radius-s);
  padding:28px;box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--c-primary);}
.card h3{font-size:21px;margin:0 0 12px;}
.card p{font-size:15px;color:var(--c-ink-2);margin-bottom:14px;}
.card-figure{margin:-28px -28px 22px;border-radius:var(--radius-s) var(--radius-s) 0 0;overflow:hidden;}
.card-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.card-tag{
  display:inline-block;font-size:12px;font-weight:700;color:var(--c-primary);
  background:var(--c-soft);border-radius:var(--radius-pill);padding:4px 12px;margin-bottom:14px;
}
.card--accent{border-left:3px solid var(--c-primary);}
.card--accent:hover{border-left-color:var(--c-accent-2);}
.card--plain{background:var(--c-bg-alt);border-color:transparent;box-shadow:none;}
.card-num{
  font-family:var(--font-num);font-size:13px;letter-spacing:.14em;color:var(--c-accent-2);
  display:block;margin-bottom:10px;
}
.card h4{font-size:17px;margin:0 0 8px;}
.card-list{list-style:none;padding:0;margin:0;}
.card-list li{
  font-size:15px;color:var(--c-ink-2);padding:9px 0 9px 20px;position:relative;
  border-top:1px solid var(--c-line);
}
.card-list li:first-child{border-top:0;}
.card-list li::before{
  content:"";position:absolute;left:0;top:18px;width:8px;height:8px;
  background:var(--c-accent);border-radius:2px;
}

/* ---------- spec grid ---------- */
.spec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--c-line);border-radius:var(--radius-s);overflow:hidden;background:#fff;}
.spec-item{padding:28px;border-right:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.spec-item:nth-child(3n){border-right:0;}
.spec-item:nth-last-child(-n+3){border-bottom:0;}
.spec-item h4{font-size:17px;margin:0 0 8px;}
.spec-item p{font-size:14px;color:var(--c-ink-2);margin:0;}
.spec-item .spec-icon{
  width:38px;height:38px;border-radius:var(--radius-s);background:var(--c-soft);
  color:var(--c-primary);display:flex;align-items:center;justify-content:center;margin-bottom:14px;
}

/* ---------- steps ---------- */
.steps{counter-reset:step;border-top:1px solid var(--c-line);}
.step{
  display:grid;grid-template-columns:88px 1fr;gap:24px;
  padding:30px 0;border-bottom:1px solid var(--c-line);
  transition:background .2s var(--ease);
}
.step:hover{background:rgba(169,200,70,.08);}
.step-no{
  font-family:var(--font-num);font-size:28px;font-weight:700;color:var(--c-accent-2);line-height:1;
  padding-top:2px;
}
.step-body h3{font-size:19px;margin:0 0 8px;}
.step-body p{font-size:15px;color:var(--c-ink-2);margin:0;}

/* ---------- stats ---------- */
.stats{background:var(--c-primary-deep);color:#fff;padding:72px 0;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.stat{padding:0 26px;}
.stat:first-child{padding-left:0;}
.stat + .stat{border-left:1px solid rgba(255,255,255,.18);}
.stat-num{
  font-family:var(--font-num);font-size:52px;font-weight:700;line-height:1;
  color:#fff;display:block;margin-bottom:12px;letter-spacing:-.02em;
}
.stat-num em{font-style:normal;font-size:20px;color:var(--c-accent);margin-left:4px;}
.stat p{font-size:14px;color:rgba(255,255,255,.72);margin:0;line-height:1.7;}

/* ---------- table ---------- */
.data-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-s);overflow:hidden;font-size:15px;}
.data-table th{
  text-align:left;font-size:13px;letter-spacing:.04em;color:var(--c-ink-3);
  background:var(--c-bg-alt);padding:14px 18px;font-weight:700;border-bottom:1px solid var(--c-line);
}
.data-table td{padding:15px 18px;border-bottom:1px solid var(--c-line);color:var(--c-ink-2);}
.data-table tr:last-child td{border-bottom:0;}
.data-table td strong{color:var(--c-ink);font-weight:700;}

/* ---------- faq ---------- */
.faq-wrap{max-width:840px;}
.faq-wrap .accordion{border:0;background:transparent;}
.faq-wrap .accordion-item{border:0;border-top:1px solid var(--c-line);background:transparent;}
.faq-wrap .accordion-item:last-child{border-bottom:1px solid var(--c-line);}
.faq-wrap .accordion-title{
  font-size:18px;font-weight:700;color:var(--c-ink);padding:22px 40px 22px 0;
  border:0;background:transparent;position:relative;
}
.faq-wrap .accordion-title::after{
  content:"\002B";position:absolute;right:6px;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:400;color:var(--c-primary);transition:transform .18s var(--ease);
}
.faq-wrap .accordion-item.is-active .accordion-title::after{content:"\2212";}
.faq-wrap .accordion-title:hover{color:var(--c-primary);}
.faq-wrap .accordion-content{padding:0 40px 24px 0;border:0;background:transparent;}
.faq-wrap .accordion-content p{font-size:16px;color:var(--c-ink-2);line-height:1.8;margin:0;}

/* ---------- cta + form ---------- */
.cta-band{
  background:var(--c-soft);border-radius:var(--radius-s);padding:44px;
  display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between;
}
.cta-band h2{font-size:26px;margin:0 0 8px;}
.cta-band p{margin:0;font-size:15px;color:var(--c-ink-2);max-width:560px;}
.form-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-s);
  padding:36px;box-shadow:var(--shadow-1);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.field{display:flex;flex-direction:column;}
.field--full{grid-column:1/-1;}
.field label{font-size:14px;font-weight:700;color:var(--c-ink);margin-bottom:9px;}
.field input[type="text"],
.field input[type="tel"],
.field textarea{
  width:100%;height:46px;padding:0 14px;font-size:15px;font-family:inherit;color:var(--c-ink);
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-s);
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.field textarea{height:auto;min-height:120px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(47,93,58,.12);
}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--c-ink-2);}
.check-row input{width:18px;height:18px;margin-top:3px;accent-color:var(--c-primary);}
.form-note{font-size:13px;color:var(--c-ink-3);margin:16px 0 0;line-height:1.7;}
.form-note a{text-decoration:underline;}

/* ---------- footer ---------- */
.site-footer{background:var(--c-primary-deep);color:rgba(255,255,255,.78);padding:72px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.site-footer .brand-main{color:#fff;}
.site-footer .brand-sub{color:rgba(255,255,255,.6);}
.site-footer .brand-mark{background:linear-gradient(180deg,var(--c-accent) 0 45%,#6E8F3C 45% 100%);}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.7);margin:16px 0 0;max-width:320px;line-height:1.8;}
.footer-col h4{font-size:14px;color:#fff;letter-spacing:.06em;margin:0 0 18px;}
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col li{margin-bottom:11px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.74);}
.footer-col a:hover{color:var(--c-accent);}
.footer-contact p{font-size:14px;margin:0 0 10px;color:rgba(255,255,255,.7);}
.site-footer .badge{
  display:inline-block;font-family:var(--font-num);font-size:12px;letter-spacing:.06em;
  padding:4px 12px;border:1px solid rgba(255,255,255,.28);border-radius:var(--radius-pill);
  color:rgba(255,255,255,.8);
}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.16);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.75);}
.footer-bottom a:hover{color:var(--c-accent);}

/* ---------- back to top ---------- */
.to-top{
  position:fixed;right:22px;bottom:22px;width:44px;height:44px;border-radius:50%;
  background:var(--c-primary);color:#fff;border:0;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transition:opacity .2s var(--ease),visibility .2s var(--ease);
  z-index:70;box-shadow:var(--shadow-2);
}
.to-top.is-visible{opacity:1;visibility:visible;}
.to-top:hover{background:var(--c-primary-deep);}

/* ---------- mobile drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,32,26,.45);
  opacity:0;visibility:hidden;transition:opacity .22s var(--ease),visibility .22s var(--ease);z-index:80;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:86%;max-width:360px;background:#fff;
  transform:translateX(102%);transition:transform .24s var(--ease);z-index:90;
  padding:24px 22px 32px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px;}
.drawer-close{width:44px;height:44px;border:1px solid var(--c-line);background:#fff;border-radius:var(--radius-s);cursor:pointer;}
.drawer-links{display:flex;flex-direction:column;}
.drawer-links a{
  padding:15px 2px;font-size:16px;font-weight:600;color:var(--c-ink);
  border-bottom:1px solid var(--c-line);
}
.drawer-links a.is-active{color:var(--c-primary);}
.drawer-foot{margin-top:28px;font-size:13px;color:var(--c-ink-3);line-height:1.8;}

/* ---------- reveal ---------- */
.reveal{outline:0;border-radius:var(--radius-s);}
.reveal .close-button{color:var(--c-ink-3);}
.inquiry-modal{max-width:520px;padding:32px;}
.inquiry-modal h3{font-size:22px;margin:0 0 8px;}
.no-scroll{overflow:hidden;}

/* ---------- animation ---------- */
.reveal-up{opacity:0;transform:translateY(12px);transition:opacity .22s var(--ease),transform .22s var(--ease);}
.reveal-up.is-in{opacity:1;transform:none;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;}
  .reveal-up{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* ---------- responsive ---------- */
@media screen and (max-width:1023px){
  :root{--sect:72px;}
  .nav-links,.header-cta{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .banner h1{font-size:36px;}
  .stagger{grid-template-columns:1fr;}
  .stagger--offset .stagger-col:last-child{margin-top:0;}
  .spec-grid{grid-template-columns:1fr 1fr;}
  .spec-item:nth-child(3n){border-right:1px solid var(--c-line);}
  .spec-item:nth-child(2n){border-right:0;}
  .spec-item:nth-last-child(-n+3){border-bottom:1px solid var(--c-line);}
  .spec-item:nth-last-child(-n+2){border-bottom:0;}
  .stats-grid{grid-template-columns:1fr 1fr;gap:32px 0;}
  .stat:nth-child(3){padding-left:0;border-left:0;}
  .stat + .stat{border-left:1px solid rgba(255,255,255,.18);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .step{grid-template-columns:64px 1fr;gap:18px;}
  .step-no{font-size:24px;}
}
@media screen and (max-width:639px){
  :root{--sect:56px;}
  .container{padding:0 18px;}
  body{font-size:16px;}
  .banner{min-height:0;}
  .banner-inner{padding:54px 0 46px;}
  .banner h1{font-size:33px;}
  .banner .banner-lead{font-size:16px;}
  .banner-actions .btn{width:100%;}
  .sect-head h2{font-size:23px;}
  .card{padding:22px;}
  .card-figure{margin:-22px -22px 20px;}
  .spec-grid{grid-template-columns:1fr;}
  .spec-item{border-right:0 !important;border-bottom:1px solid var(--c-line) !important;}
  .spec-item:last-child{border-bottom:0 !important;}
  .stats-grid{grid-template-columns:1fr;gap:30px;}
  .stat{padding:0;border-left:0 !important;}
  .stat-num{font-size:42px;}
  .stat + .stat{border-top:1px solid rgba(255,255,255,.18);padding-top:30px;}
  .form-grid{grid-template-columns:1fr;}
  .form-card{padding:24px;}
  .cta-band{padding:28px;}
  .cta-band .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .step{grid-template-columns:1fr;gap:8px;}
  .data-table{font-size:14px;}
  .data-table th,.data-table td{padding:12px 14px;}
  .faq-wrap .accordion-content{padding-right:0;}
}

/* roulang page: category3 */
:root{
  --c-primary:#2F5D3A;
  --c-primary-deep:#1E4028;
  --c-accent:#A9C846;
  --c-accent-2:#D9902A;
  --c-bg:#FAF9F4;
  --c-bg-alt:#F0EFE6;
  --c-card:#FFFFFF;
  --c-tint:#EAF0DA;
  --c-ink:#14201A;
  --c-ink-2:#4A5751;
  --c-ink-3:#8A9189;
  --c-line:#E3E3DA;
  --c-error:#B4463A;
  --radius:4px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(20,32,26,.05);
  --shadow-2:0 14px 30px -14px rgba(20,32,26,.20);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
  --container:1200px;
  --section-y:112px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius);}
a{color:var(--c-primary);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--c-primary-deep);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.18;color:var(--c-ink);}
p{margin:0 0 1.15em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:2px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:var(--section-y) 0;}
.section-tight{padding:72px 0;}
.hairline{border-top:1px solid var(--c-line);}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head h2{font-size:28px;letter-spacing:-.02em;}
.section-head p{margin-top:14px;color:var(--c-ink-2);font-size:16px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-num);font-size:12px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--c-primary);
  background:var(--c-tint);border-radius:var(--radius-pill);
  padding:6px 14px;margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent-2);}

/* header */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid transparent;
  transition:box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--c-line);box-shadow:var(--shadow-1);}
.header-inner{
  height:68px;display:flex;align-items:center;justify-content:space-between;gap:24px;
  transition:height .22s var(--ease);
}
.site-header.is-scrolled .header-inner{height:56px;}
.brand{display:inline-flex;align-items:center;gap:11px;color:inherit;}
.brand-mark{
  width:20px;height:27px;flex:0 0 20px;background:var(--c-primary);
  border-radius:12px 3px 12px 3px;position:relative;
}
.brand-mark::after{
  content:"";position:absolute;right:-4px;bottom:3px;width:9px;height:9px;
  border-radius:50%;background:var(--c-accent);
}
.brand-text{display:flex;flex-direction:column;line-height:1.12;}
.brand-main{font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--c-ink);}
.brand-sub{font-size:10.5px;letter-spacing:.2em;color:var(--c-ink-3);}
.nav-links{display:flex;align-items:center;gap:26px;}
.nav-links a{
  position:relative;display:inline-block;padding:8px 2px;
  font-size:15px;font-weight:500;color:var(--c-ink-2);
  min-height:auto;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:2px;height:2px;width:0;
  background:var(--c-primary);transition:width .18s var(--ease);
}
.nav-links a:hover{color:var(--c-primary);}
.nav-links a:hover::after{width:24px;}
.nav-links a.is-active{color:var(--c-primary);font-weight:700;}
.nav-links a.is-active::after{width:24px;}
.header-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--c-line);
  background:#fff;border-radius:var(--radius);cursor:pointer;padding:0;
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-ink);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-ink);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,32,26,.45);opacity:0;visibility:hidden;
  transition:opacity .22s var(--ease);z-index:70;
}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:86%;max-width:360px;background:#fff;
  z-index:80;transform:translateX(102%);transition:transform .26s var(--ease);
  padding:24px;display:flex;flex-direction:column;gap:8px;overflow-y:auto;
}
body.drawer-open .drawer{transform:translateX(0);}
body.drawer-open .drawer-mask{opacity:1;visibility:visible;}
body.drawer-open{overflow:hidden;}
.drawer-close{
  align-self:flex-end;width:44px;height:44px;border:1px solid var(--c-line);background:#fff;
  border-radius:var(--radius);font-size:20px;line-height:1;cursor:pointer;color:var(--c-ink-2);
}
.drawer-title{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--c-ink-3);margin:14px 0 6px;font-family:var(--font-num);}
.drawer a.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 12px;border-bottom:1px solid var(--c-line);
  color:var(--c-ink-2);font-size:16px;border-radius:0;
}
.drawer a.drawer-link:hover{color:var(--c-primary);background:var(--c-bg);}
.drawer a.drawer-link.is-active{color:var(--c-primary);font-weight:700;}
.drawer .btn{margin-top:18px;width:100%;}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--radius);font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:all .2s var(--ease);
  min-height:44px;line-height:1.2;
}
.btn-primary{background:var(--c-primary);color:#fff;}
.btn-primary:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px);}
.btn-ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-tint);color:var(--c-primary-deep);}
.btn-sm{padding:10px 18px;font-size:14px;min-height:40px;}
.btn-block{width:100%;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;
  color:var(--c-primary);border-bottom:1px solid transparent;padding-bottom:2px;
}
.text-link .arrow{transition:transform .18s var(--ease);}
.text-link:hover{border-bottom-color:var(--c-primary);}
.text-link:hover .arrow{transform:translateX(4px);}
.badge{
  display:inline-block;background:var(--c-tint);color:var(--c-primary);
  font-size:12px;font-weight:600;border-radius:var(--radius-pill);
  padding:5px 12px;letter-spacing:.02em;line-height:1.5;
}
.badge-plain{background:var(--c-bg-alt);color:var(--c-ink-2);}

/* hero */
.page-hero{padding:64px 0 56px;background:var(--c-bg);border-bottom:1px solid var(--c-line);}
.crumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13px;color:var(--c-ink-3);margin-bottom:26px;}
.crumb a{color:var(--c-ink-3);}
.crumb a:hover{color:var(--c-primary);}
.crumb .sep{color:var(--c-line);}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;}
.page-hero h1{font-size:42px;line-height:1.16;letter-spacing:-.025em;}
.page-hero .lead{margin-top:22px;font-size:17px;color:var(--c-ink-2);max-width:620px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-top:32px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px;}
.hero-media{position:relative;}
.hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius);
  box-shadow:var(--shadow-1);transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.hero-media img:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.hero-media .seal{
  position:absolute;left:-14px;bottom:-14px;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--radius);padding:12px 18px;box-shadow:var(--shadow-1);
}
.hero-media .seal b{display:block;font-family:var(--font-num);font-size:20px;color:var(--c-primary-deep);line-height:1.2;}
.hero-media .seal span{font-size:12px;color:var(--c-ink-3);}

/* timeline */
.timeline{position:relative;margin-top:8px;}
.timeline::before{
  content:"";position:absolute;left:27px;top:16px;bottom:16px;width:2px;background:var(--c-line);
}
.tl-item{display:flex;gap:28px;padding-bottom:56px;position:relative;}
.tl-item:last-child{padding-bottom:0;}
.tl-num{
  flex:0 0 56px;width:56px;height:56px;border-radius:50%;background:#fff;
  border:2px solid var(--c-primary);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-size:16px;font-weight:700;z-index:1;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.tl-item:hover .tl-num{background:var(--c-primary);color:#fff;}
.tl-body{flex:1;padding-top:4px;max-width:820px;}
.tl-body h3{font-size:22px;letter-spacing:-.015em;}
.tl-body .tl-meta{font-family:var(--font-num);font-size:12px;letter-spacing:.12em;color:var(--c-accent-2);margin-bottom:8px;text-transform:uppercase;}
.tl-body p{margin-top:12px;color:var(--c-ink-2);font-size:16.5px;}
.tl-points{margin-top:18px;display:grid;gap:10px;}
.tl-points li{
  position:relative;padding-left:20px;font-size:15.5px;color:var(--c-ink-2);
}
.tl-points li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;
  background:var(--c-accent);border-radius:2px;
}
.tl-media{margin-top:22px;}
.tl-media img{width:100%;aspect-ratio:16/9;object-fit:cover;border:1px solid var(--c-line);}
.tl-media figcaption{font-size:13px;color:var(--c-ink-3);margin-top:10px;}

/* signal list */
.signal-grid{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid var(--c-line);}
.signal-item{padding:30px 28px 30px 0;border-bottom:1px solid var(--c-line);}
.signal-item:nth-child(odd){border-right:1px solid var(--c-line);padding-right:36px;}
.signal-item:nth-child(even){padding-left:36px;}
.signal-item h3{font-size:19px;display:flex;align-items:baseline;gap:10px;}
.signal-item h3 em{
  font-style:normal;font-family:var(--font-num);font-size:13px;color:var(--c-accent-2);
}
.signal-item p{margin-top:10px;color:var(--c-ink-2);font-size:15.5px;}

/* metric strip */
.metric-strip{background:var(--c-primary-deep);color:#fff;padding:64px 0;}
.metric-strip .metric-grid{display:grid;grid-template-columns:repeat(3,1fr);}
.metric{padding:0 32px;border-left:1px solid rgba(255,255,255,.18);}
.metric:first-child{border-left:0;padding-left:0;}
.metric b{
  display:block;font-family:var(--font-num);font-size:52px;line-height:1;
  font-weight:700;letter-spacing:-.02em;
}
.metric b small{font-size:18px;font-weight:600;margin-left:4px;letter-spacing:0;}
.metric span{display:block;margin-top:12px;font-size:14px;color:rgba(255,255,255,.78);line-height:1.7;}

/* cards */
.card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--radius);
  padding:28px;transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--c-primary);}
.card h3{font-size:21px;margin-bottom:12px;}
.card p{color:var(--c-ink-2);font-size:15.5px;}
.card .text-link{margin-top:18px;}
.card-edges{border-left:3px solid var(--c-primary);}

/* faq */
.faq-list{border-top:1px solid var(--c-line);max-width:900px;}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-q{
  width:100%;background:none;border:0;text-align:left;cursor:pointer;
  padding:22px 44px 22px 0;position:relative;
  font-size:18px;font-weight:700;color:var(--c-ink);line-height:1.6;
  transition:color .18s var(--ease);
}
.faq-q:hover{color:var(--c-primary);}
.faq-q::after{
  content:"+";position:absolute;right:8px;top:50%;transform:translateY(-50%);
  font-family:var(--font-num);font-size:22px;font-weight:400;color:var(--c-primary);
  transition:transform .18s var(--ease);
}
.faq-item.is-open .faq-q::after{transform:translateY(-50%) rotate(180deg);}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .26s var(--ease);
}
.faq-a p{padding:0 40px 24px 0;color:var(--c-ink-2);font-size:16px;line-height:1.8;margin:0;}

/* cta + form */
.cta-band{
  background-image:linear-gradient(90deg,rgba(30,64,40,.94) 0%,rgba(30,64,40,.86) 55%,rgba(30,64,40,.62) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;color:#fff;padding:88px 0;
}
.cta-grid{display:grid;grid-template-columns:6fr 6fr;gap:56px;align-items:start;}
.cta-band h2{color:#fff;font-size:32px;letter-spacing:-.02em;}
.cta-band p{color:rgba(255,255,255,.82);margin-top:18px;font-size:16.5px;max-width:520px;}
.cta-band .badge{background:rgba(255,255,255,.14);color:#fff;}
.cta-facts{margin-top:30px;display:grid;gap:14px;}
.cta-facts li{position:relative;padding-left:22px;font-size:15.5px;color:rgba(255,255,255,.9);}
.cta-facts li::before{
  content:"";position:absolute;left:0;top:10px;width:8px;height:8px;
  background:var(--c-accent);border-radius:2px;
}
.form-card{background:#fff;border-radius:var(--radius);padding:32px;box-shadow:var(--shadow-2);color:var(--c-ink);}
.form-card h3{font-size:22px;margin-bottom:6px;}
.form-card .form-note{font-size:14px;color:var(--c-ink-3);margin-bottom:22px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--c-ink-2);margin-bottom:10px;}
.field input[type="text"],
.field input[type="tel"],
.field textarea{
  width:100%;background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);
  font-size:15px;font-family:inherit;color:var(--c-ink);padding:0 14px;height:46px;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.field textarea{height:auto;min-height:118px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(47,93,58,.12);
}
.field.has-error input,.field.has-error textarea{border-color:var(--c-error);}
.field .err{display:block;margin-top:8px;font-size:12px;color:var(--c-error);}
.check{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--c-ink-2);line-height:1.7;}
.check input{width:18px;height:18px;margin-top:4px;accent-color:var(--c-primary);flex:0 0 18px;}
.privacy-note{font-size:12.5px;color:var(--c-ink-3);line-height:1.8;margin-top:14px;}
.alert{
  border-radius:var(--radius);padding:14px 16px;font-size:14px;margin-bottom:20px;
  border:1px solid var(--c-line);background:var(--c-bg-alt);color:var(--c-ink-2);
}
.alert-error{border-color:var(--c-error);color:var(--c-error);background:#fbf3f1;}
.alert-ok{border-color:var(--c-primary);color:var(--c-primary-deep);background:var(--c-tint);}

/* footer */
.site-footer{background:var(--c-primary-deep);color:rgba(255,255,255,.82);padding:72px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;}
.site-footer .brand-main{color:#fff;}
.site-footer .brand-sub{color:rgba(255,255,255,.6);}
.site-footer .brand-mark{background:var(--c-accent);}
.site-footer .brand-mark::after{background:var(--c-accent-2);}
.footer-brand p{margin-top:18px;font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.72);max-width:320px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:18px;letter-spacing:.01em;}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{color:rgba(255,255,255,.78);font-size:14.5px;}
.footer-col a:hover{color:var(--c-accent);}
.footer-contact p{font-size:14.5px;color:rgba(255,255,255,.72);margin-bottom:10px;}
.footer-contact .badge{background:rgba(255,255,255,.12);color:rgba(255,255,255,.9);font-family:var(--font-num);}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.16);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  font-size:13.5px;color:rgba(255,255,255,.62);
}
.footer-bottom a{color:rgba(255,255,255,.82);}
.footer-bottom a:hover{color:var(--c-accent);}
.to-top{
  position:fixed;right:24px;bottom:24px;width:40px;height:40px;border-radius:50%;
  background:var(--c-primary);color:#fff;border:0;cursor:pointer;
  display:flex;align-items:center;justify-content:center;font-size:16px;
  opacity:0;visibility:hidden;transition:opacity .2s var(--ease),background .2s var(--ease);
  box-shadow:var(--shadow-2);z-index:55;
}
.to-top.show{opacity:1;visibility:visible;}
.to-top:hover{background:var(--c-primary-deep);}

/* foundation overrides */
.accordion,.accordion-item,.accordion-title,.accordion-content{background:transparent;border:0;margin:0;padding:0;}
.grid-x{display:flex;flex-flow:row wrap;}
.grid-margin-x{margin-left:-12px;margin-right:-12px;}
.grid-margin-x>.cell{margin-left:12px;margin-right:12px;}
.cell{flex:0 0 auto;min-height:0;min-width:0;}
.small-12{width:calc(100% - 24px);}
@media screen and (min-width:640px){
  .medium-6{width:calc(50% - 24px);}
}
@media screen and (min-width:1024px){
  .large-4{width:calc(33.3333% - 24px);}
  .large-5{width:calc(41.6667% - 24px);}
  .large-7{width:calc(58.3333% - 24px);}
  .large-12{width:calc(100% - 24px);}
}
.reveal{border:0;border-radius:var(--radius);}

/* responsive */
@media (max-width:1023px){
  :root{--section-y:72px;}
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-actions .btn-sm{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .page-hero h1{font-size:36px;}
  .cta-grid{grid-template-columns:1fr;gap:40px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .metric-strip .metric-grid{grid-template-columns:1fr;gap:32px;}
  .metric{border-left:0;padding:0;border-top:1px solid rgba(255,255,255,.18);padding-top:26px;}
  .metric:first-child{border-top:0;padding-top:0;}
}
@media (max-width:639px){
  :root{--section-y:56px;}
  .container{padding:0 18px;}
  .page-hero{padding:40px 0 36px;}
  .page-hero h1{font-size:31px;}
  .page-hero .lead{font-size:16px;}
  .section-head h2{font-size:23px;}
  .hero-actions .btn{width:100%;}
  .signal-grid{grid-template-columns:1fr;}
  .signal-item{padding:24px 0;}
  .signal-item:nth-child(odd){border-right:0;padding-right:0;}
  .signal-item:nth-child(even){padding-left:0;}
  .tl-item{gap:16px;padding-bottom:42px;}
  .tl-num{flex:0 0 44px;width:44px;height:44px;font-size:14px;}
  .timeline::before{left:21px;}
  .tl-body h3{font-size:19px;}
  .tl-body p{font-size:15.5px;}
  .hero-media .seal{left:0;bottom:-10px;}
  .metric b{font-size:40px;}
  .cta-band{padding:60px 0;}
  .cta-band h2{font-size:25px;}
  .form-card{padding:24px 20px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .to-top{right:16px;bottom:16px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important;}
  .card:hover,.hero-media img:hover,.btn-primary:hover{transform:none;}
}