/* roulang page: index */
:root{
  --brand:#1B5E43;
  --brand-900:#0F3325;
  --brand-100:#E6EFE9;
  --accent:#F26A21;
  --accent-100:#FFE7D8;
  --bg:#F7F5F0;
  --surface:#FFFFFF;
  --ink-block:#0F3325;
  --text:#141A16;
  --muted:#6B7168;
  --faint:#9AA096;
  --line:#E4E0D6;
  --line-strong:#CFC9BB;
  --radius-card:10px;
  --radius-img:8px;
  --radius-pill:999px;
  --radius-input:6px;
  --shadow-1:0 1px 2px rgba(20,26,22,.04);
  --shadow-2:0 12px 28px rgba(15,51,37,.10);
  --t:200ms ease-out;
  --font-sans:system-ui,-apple-system,"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-num:"Roboto Condensed",ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
}
*,*::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:16px;line-height:1.85;
  color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--accent)}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
button{font:inherit;cursor:pointer;background:none;border:0;color:inherit}
input,select,textarea{font:inherit;color:inherit}
::selection{background:var(--accent-100);color:var(--brand-900)}

/* ---------- Foundation 默认样式覆盖 ---------- */
body,h1,h2,h3,h4,h5,h6,p,a,li,span,div,button,input,select,textarea{font-family:var(--font-sans)}
a:not(.btn):not(.nav-link):not(.news-card){color:var(--brand)}
.accordion{background:transparent;border:0;margin:0}
.accordion-title{border:0;background:transparent;padding:0}
.button,.button.primary,.callout{background:transparent;border:0;padding:0;color:inherit}
.reveal{border:0;box-shadow:var(--shadow-2);border-radius:12px;padding:0}
.reveal:focus{outline:none}
input[type="text"],input[type="tel"],select,textarea{
  height:46px;border:1px solid var(--line-strong);border-radius:var(--radius-input);
  box-shadow:none;margin:0;background:#fff;
}
textarea{height:auto}
input[type="text"]:focus,input[type="tel"]:focus,select:focus,textarea:focus{
  border-color:var(--brand);background:var(--brand-100);box-shadow:none;outline:none;
}

/* ---------- 布局容器 ---------- */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:88px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.2em;
  color:var(--accent);text-transform:uppercase;margin-bottom:14px;
}
.sec-title{
  font-size:clamp(24px,2.6vw,34px);font-weight:700;line-height:1.3;
  letter-spacing:-.01em;color:var(--text);
}
.sec-lead{font-size:16px;color:var(--muted);margin-top:14px;max-width:62ch}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;
  color:var(--brand);transition:color var(--t);
}
.link-arrow .arrow{transition:transform var(--t);display:inline-block}
.link-arrow:hover{color:var(--accent);text-decoration:underline;text-underline-offset:4px}
.link-arrow:hover .arrow{transform:translateX(3px)}
.link-arrow:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:14px 28px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  transition:background var(--t),color var(--t),transform var(--t),box-shadow var(--t);
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(242,106,33,.22)}
.btn-primary:hover{background:#D9560F;color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(242,106,33,.28)}
.btn-primary:active{transform:translateY(0)}
.btn-primary:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn-outline{background:#fff;color:var(--brand);border-color:var(--line-strong)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}
.btn-sm{padding:11px 22px;font-size:14px;min-height:40px}
.btn-block{width:100%}
.badge{
  display:inline-block;padding:4px 10px;border-radius:var(--radius-pill);
  background:var(--brand-100);color:var(--brand);
  font-size:12px;font-weight:600;letter-spacing:.04em;
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:120;background:rgba(247,245,240,.94);
  border-bottom:1px solid var(--line);backdrop-filter:saturate(160%) blur(8px);
  transition:background var(--t),box-shadow var(--t);
}
.site-header.is-scrolled{background:#fff;box-shadow:0 8px 24px rgba(15,51,37,.07)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:32px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);flex-shrink:0}
.brand:hover{color:var(--text)}
.brand-mark{
  width:10px;height:22px;border-radius:3px;
  background:linear-gradient(180deg,var(--brand) 0%,var(--brand) 55%,var(--accent) 55%,var(--accent) 100%);
}
.brand-name{font-size:19px;font-weight:700;letter-spacing:.01em;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:30px}
.nav-link{
  position:relative;font-size:14px;color:var(--text);letter-spacing:.02em;
  padding:6px 0;transition:color var(--t);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--brand);opacity:0;transform:scaleX(.4);transform-origin:left;
  transition:transform 180ms ease-out,opacity 180ms ease-out;
}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after{opacity:.35;transform:scaleX(1)}
.nav-link.is-active{color:var(--brand);font-weight:600}
.nav-link.is-active::after{opacity:1;transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:14px}
.nav-toggle{
  display:none;width:44px;height:44px;flex-direction:column;justify-content:center;
  align-items:center;gap:5px;border-radius:8px;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--text);border-radius:2px}
.nav-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

.drawer{
  position:fixed;top:0;right:0;height:100%;width:84%;max-width:360px;
  background:#fff;z-index:220;transform:translateX(102%);
  transition:transform 260ms ease-out;display:flex;flex-direction:column;
  box-shadow:-16px 0 40px rgba(15,51,37,.14);
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 22px;border-bottom:1px solid var(--line);min-height:60px;
}
.drawer-close{font-size:24px;line-height:1;color:var(--muted);width:44px;height:44px;border-radius:8px}
.drawer-close:hover{color:var(--accent)}
.drawer-nav{display:flex;flex-direction:column;padding:8px 0;flex:1;overflow-y:auto}
.drawer-nav a{
  height:56px;display:flex;align-items:center;padding:0 22px;
  border-bottom:1px solid var(--line);font-size:15px;color:var(--text);
}
.drawer-nav a:hover{background:var(--brand-100);color:var(--brand)}
.drawer-nav a.is-active{color:var(--brand);font-weight:600}
.drawer-foot{padding:20px 22px;border-top:1px solid var(--line)}
.drawer-mask{
  position:fixed;inset:0;background:rgba(18,23,18,.5);z-index:210;
  opacity:0;visibility:hidden;transition:opacity 220ms ease-out,visibility 220ms;
}
.drawer-mask.is-open{opacity:1;visibility:visible}

/* ---------- Hero ---------- */
.hero{padding:72px 0 0;background:
  radial-gradient(circle at 92% 4%,rgba(27,94,67,.07) 0%,rgba(27,94,67,0) 46%),
  var(--bg)}
.hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:center}
.hero-copy h1{
  font-size:clamp(30px,4.2vw,48px);font-weight:700;line-height:1.25;
  letter-spacing:-.01em;color:var(--text);
}
.hero-sub{font-size:18px;color:var(--muted);margin-top:16px;max-width:46ch;line-height:1.8}
.hero-cta{display:flex;align-items:center;gap:26px;flex-wrap:wrap;margin-top:32px}
.hero-note{font-size:13px;color:var(--faint);margin-top:20px;line-height:1.7}
.hero-media{position:relative}
.hero-media img{
  width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:12px;
  box-shadow:var(--shadow-1);
}
.hero-badge{
  position:absolute;left:-16px;bottom:26px;background:var(--ink-block);color:#fff;
  padding:14px 20px;border-radius:10px;display:flex;align-items:baseline;gap:10px;
  box-shadow:var(--shadow-2);
}
.hero-badge strong{font-family:var(--font-num);font-size:32px;line-height:1;font-weight:700}
.hero-badge span{font-size:12px;letter-spacing:.08em;color:rgba(255,255,255,.78)}
.trust-bar{
  display:flex;align-items:center;justify-content:center;gap:18px;flex-wrap:wrap;
  margin-top:56px;padding-top:18px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);letter-spacing:.02em;
}
.trust-bar i{width:1px;height:12px;background:var(--line-strong);display:inline-block}

/* ---------- 痛点提问区 ---------- */
.issues-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:44px}
.issue-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-1);
  transition:box-shadow var(--t),transform var(--t),border-color var(--t);
}
.issue-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);border-color:var(--line-strong)}
.issue-card h3{font-size:17px;font-weight:600;line-height:1.5;color:var(--text);margin-bottom:8px}
.issue-card p{font-size:14px;color:var(--muted);line-height:1.7}
.issues-grid .issue-card:nth-child(2),
.issues-grid .issue-card:nth-child(5){margin-top:26px}
.issues-grid .issue-card:nth-child(3){margin-top:12px}

/* ---------- 方案卡片区 ---------- */
.plans{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.plan-grid{display:grid;grid-template-columns:1.55fr 1fr;gap:24px;margin-top:44px}
.plan-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:box-shadow var(--t),transform var(--t);
  display:flex;flex-direction:column;
}
.plan-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px)}
.plan-card-lg{grid-row:1 / span 2;background:var(--brand-100);border-color:#D8E5DD}
.plan-media img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0}
.plan-body{padding:28px;display:flex;flex-direction:column;flex:1}
.plan-card-lg .plan-body{padding:32px}
.plan-num{
  font-family:var(--font-num);font-size:22px;font-weight:700;color:var(--accent);
  letter-spacing:.06em;display:block;margin-bottom:10px;
}
.plan-body h3{font-size:20px;font-weight:600;line-height:1.45;color:var(--text);margin-bottom:10px}
.plan-body p{font-size:15px;color:var(--muted);line-height:1.8}
.plan-list{margin:18px 0 22px;display:flex;flex-direction:column;gap:10px}
.plan-list li{
  position:relative;padding-left:18px;font-size:14.5px;color:var(--text);line-height:1.7;
}
.plan-list li::before{
  content:"";position:absolute;left:0;top:11px;width:6px;height:6px;
  border-radius:2px;background:var(--brand);
}
.plan-body .link-arrow{margin-top:auto}
.plan-wide{
  margin-top:24px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:26px 30px;box-shadow:var(--shadow-1);
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  transition:box-shadow var(--t),transform var(--t);
}
.plan-wide:hover{box-shadow:var(--shadow-2);transform:translateY(-2px)}
.plan-wide h3{font-size:19px;font-weight:600;margin-bottom:6px}
.plan-wide p{font-size:14.5px;color:var(--muted);max-width:70ch}

/* ---------- 数据带 ---------- */
.stat-band{background:var(--ink-block);color:#fff;padding:46px 0;position:relative;overflow:hidden}
.stat-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.07;
  background-image:repeating-linear-gradient(135deg,#fff 0 1px,transparent 1px 12px);
}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);position:relative;z-index:1}
.stat{padding:6px 26px;border-left:1px solid rgba(255,255,255,.18)}
.stat:first-child{border-left:0;padding-left:0}
.stat b{
  display:block;font-family:var(--font-num);font-size:clamp(36px,4.4vw,52px);
  font-weight:700;line-height:1.05;letter-spacing:-.02em;
}
.stat span{
  display:block;margin-top:8px;font-size:13px;letter-spacing:.1em;
  color:rgba(255,255,255,.72);
}

/* ---------- 最新信息（CMS） ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:44px}
.news-card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-1);color:var(--text);height:100%;
  transition:box-shadow var(--t),transform var(--t),border-color var(--t);
}
.news-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);border-color:var(--line-strong);color:var(--text)}
.news-media{overflow:hidden}
.news-media img{
  width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;
  transition:transform 220ms ease-out;
}
.news-card:hover .news-media img{transform:scale(1.02)}
.news-body{padding:20px;display:flex;flex-direction:column;flex:1;gap:12px}
.news-body h3{
  font-size:18px;font-weight:600;line-height:1.45;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color var(--t);
}
.news-card:hover .news-body h3{color:var(--brand)}
.news-body p{
  font-size:14.5px;color:var(--muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  display:flex;align-items:center;gap:10px;margin-top:auto;
  font-size:13px;color:var(--faint);
}
.news-meta i{width:1px;height:11px;background:var(--line-strong);display:inline-block}
.news-empty{
  grid-column:1 / -1;text-align:center;padding:56px 24px;
  border:1px dashed var(--line-strong);border-radius:var(--radius-card);background:#fff;
}
.news-empty-mark{
  width:56px;height:56px;margin:0 auto 18px;border-radius:50%;
  background:var(--brand-100);position:relative;
}
.news-empty-mark::after{
  content:"";position:absolute;left:50%;top:50%;width:20px;height:2px;
  background:var(--brand);transform:translate(-50%,-50%);
}
.news-empty p{font-size:15px;color:var(--muted);margin-bottom:14px}

/* ---------- FAQ ---------- */
.faq{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.faq-wrap{max-width:900px;margin:40px auto 0}
.accordion{border-top:1px solid var(--line)}
.accordion-item{border-bottom:1px solid var(--line)}
.accordion-title{
  display:flex;align-items:center;gap:12px;padding:20px 0;
  font-size:17px;font-weight:600;color:var(--text);line-height:1.55;
  transition:color var(--t);position:relative;
}
.accordion-title::before{
  content:"";width:8px;height:8px;border-radius:2px;background:var(--brand);
  flex-shrink:0;margin-top:2px;transition:background var(--t);
}
.accordion-title::after{
  content:"+";position:absolute;right:2px;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:400;color:var(--faint);line-height:1;
  transition:color var(--t),transform var(--t);
}
.accordion-title:hover{color:var(--brand)}
.accordion-title[aria-expanded="true"]::after{content:"−";color:var(--accent)}
.accordion-title[aria-expanded="true"]::before{background:var(--accent)}
.accordion-content{padding:0 34px 20px 20px!important;border:0!important;background:transparent!important}
.accordion-content p{font-size:15px;line-height:1.85;color:var(--muted)}

/* ---------- 文末 CTA ---------- */
.cta-band{background:var(--brand-900);color:#fff;padding:56px 0;position:relative;overflow:hidden}
.cta-band::after{
  content:"";position:absolute;inset:0;opacity:.06;pointer-events:none;
  background-image:repeating-linear-gradient(135deg,#fff 0 1px,transparent 1px 14px);
}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  flex-wrap:wrap;position:relative;z-index:1;
}
.cta-inner h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;line-height:1.35;color:#fff}
.cta-inner p{font-size:15px;color:rgba(255,255,255,.76);margin-top:10px;max-width:60ch}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg);border-top:1px solid var(--line);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .brand-name{font-size:18px}
.footer-brand p{font-size:14px;color:var(--muted);margin-top:14px;line-height:1.8;max-width:34ch}
.footer-col h4{font-size:14px;font-weight:600;color:var(--text);margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:var(--muted);line-height:1.6}
.footer-col a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px}
.footer-col li span{font-size:14px;color:var(--muted);line-height:1.6}
.footer-bottom{
  margin-top:48px;border-top:1px solid var(--line);padding:22px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:12.5px;color:var(--faint);
}

/* ---------- 表单弹层 ---------- */
.modal-book{width:92%;max-width:540px;border-radius:12px;padding:32px;background:#fff}
.modal-book h3{font-size:22px;font-weight:700;color:var(--text)}
.modal-sub{font-size:13px;color:var(--muted);margin-top:8px}
.book-form{margin-top:22px;display:flex;flex-direction:column;gap:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-size:13px;font-weight:600;color:var(--text)}
.field input,.field select,.field textarea{
  width:100%;padding:0 12px;border:1px solid var(--line-strong);
  border-radius:var(--radius-input);background:#fff;
}
.field textarea{padding:11px 12px;min-height:96px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--brand);background:var(--brand-100);outline:none;
}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.check{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--muted);line-height:1.65}
.check input{width:16px;height:16px;margin-top:4px;flex-shrink:0}
.form-note{font-size:12.5px;color:var(--faint);line-height:1.7}
.form-ok{
  display:none;margin-top:6px;padding:12px 14px;border-radius:var(--radius-input);
  background:var(--brand-100);color:var(--brand);font-size:14px;font-weight:600;
}
.form-ok.is-visible{display:block}
.reveal-overlay{background:rgba(18,23,18,.55)}
.modal-close{
  position:absolute;right:14px;top:12px;width:40px;height:40px;border-radius:8px;
  font-size:22px;line-height:1;color:var(--faint);
}
.modal-close:hover{color:var(--accent)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero-grid{gap:40px}
  .plan-grid{grid-template-columns:1.3fr 1fr}
  .stat{padding:6px 18px}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .section{padding:64px 0}
  .main-nav{display:none}
  .nav-toggle{display:flex}
  .hero{padding-top:52px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-sub{max-width:100%}
  .hero-badge{left:14px;bottom:14px}
  .trust-bar{margin-top:40px;gap:14px}
  .issues-grid{grid-template-columns:repeat(2,1fr)}
  .issues-grid .issue-card:nth-child(2),
  .issues-grid .issue-card:nth-child(3),
  .issues-grid .issue-card:nth-child(5){margin-top:0}
  .plan-grid{grid-template-columns:1fr}
  .plan-card-lg{grid-row:auto}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:28px 0}
  .stat:nth-child(3){border-left:0;padding-left:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  body{font-size:15.5px;line-height:1.8}
  .container{padding:0 20px}
  .section{padding:48px 0}
  .nav-wrap{height:60px}
  .brand-name{font-size:17px}
  .btn{padding:13px 22px}
  .hero{padding-top:40px}
  .hero-cta{gap:18px;margin-top:26px}
  .trust-bar{display:none}
  .issues-grid{grid-template-columns:1fr;gap:16px}
  .news-grid{grid-template-columns:1fr;gap:16px}
  .plan-wide{padding:22px;flex-direction:column;align-items:flex-start}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .stat b{font-size:34px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .modal-book{padding:24px 20px}
  .field-row{grid-template-columns:1fr}
  .accordion-content{padding:0 10px 18px 20px!important}
}
@media (max-width:520px){
  .hero-badge{display:none}
  .hero-media img{aspect-ratio:4/3}
  .stat{padding:6px 14px}
  .stat span{font-size:12px}
  .sec-title{font-size:22px}
}

/* roulang page: category1 */
:root{
  --brand:#1B5E43;
  --brand-900:#0F3325;
  --brand-100:#E6EFE9;
  --accent:#F26A21;
  --accent-600:#D85812;
  --accent-100:#FFE7D8;
  --bg:#F7F5F0;
  --surface:#FFFFFF;
  --text:#141A16;
  --muted:#6B7168;
  --faint:#9AA096;
  --line:#E4E0D6;
  --line-strong:#CFC9BB;
  --radius-card:10px;
  --radius-img:8px;
  --radius-pill:999px;
  --shadow-sm:0 1px 2px rgba(20,26,22,.04);
  --shadow-lg:0 12px 28px rgba(15,51,37,.10);
  --tr:200ms ease-out;
  --container:1200px;
  --font:system-ui,-apple-system,"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-num:"Roboto Condensed",ui-monospace,"SFMono-Regular",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;line-height:1.85;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;transition:color var(--tr);}
a:hover,a:focus{color:var(--brand-900);text-decoration:underline;text-underline-offset:4px;}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text);line-height:1.3;}
h1{font-size:clamp(30px,4.2vw,48px);line-height:1.25;letter-spacing:-.01em;}
h2{font-size:clamp(24px,2.6vw,34px);line-height:1.3;}
h3{font-size:19px;line-height:1.45;font-weight:600;}
h4{font-size:14px;font-weight:600;}
::selection{background:var(--accent-100);color:var(--brand-900);}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}

/* Foundation 默认样式覆盖 */
body,.accordion,.accordion-content,.accordion-title{font-family:var(--font);}
.accordion{margin:0;background:transparent;border:none;}
.accordion-title{font-size:17px;color:var(--text);}
.button{background:transparent;border:none;padding:0;margin:0;}
input,select,textarea{margin:0;font-family:inherit;}
.callout{margin:0;border:none;background:transparent;}
.grid-container{padding-left:0;padding-right:0;max-width:none;}

/* 容器 */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.section{padding:88px 0;}
.section-tight{padding:64px 0;}

/* 眉标 */
.eyebrow{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.2em;
  color:var(--accent);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow.is-green{color:var(--brand);}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:14px 28px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;letter-spacing:.02em;
  border:1px solid transparent;cursor:pointer;
  transition:transform var(--tr),background-color var(--tr),box-shadow var(--tr),color var(--tr);
  text-decoration:none;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(242,106,33,.24);}
.btn-primary:hover,.btn-primary:focus{background:var(--accent-600);color:#fff;transform:translateY(-1px);text-decoration:none;}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:#fff;color:var(--brand);border-color:var(--line-strong);}
.btn-outline:hover,.btn-outline:focus{border-color:var(--brand);color:var(--brand-900);text-decoration:none;}
.btn-block{width:100%;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand);
}
.link-arrow i{transition:transform var(--tr);font-size:12px;}
.link-arrow:hover{color:var(--accent);text-decoration:underline;text-underline-offset:4px;}
.link-arrow:hover i{transform:translateX(3px);}

/* 头部导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,240,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--tr),background-color var(--tr);
}
.site-header.is-scrolled{background:#fff;box-shadow:0 8px 24px rgba(15,51,37,.07);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;}
.brand:hover{text-decoration:none;}
.brand-mark{width:10px;height:10px;border-radius:3px;background:var(--accent);flex:none;}
.brand-name{font-size:17px;font-weight:700;color:var(--brand-900);letter-spacing:.01em;}
.main-nav{display:flex;align-items:center;gap:26px;}
.nav-link{
  position:relative;display:inline-block;padding:8px 0;
  font-size:14px;color:var(--text);letter-spacing:.02em;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;
  transition:transform var(--tr),opacity var(--tr);opacity:.9;
}
.nav-link:hover{color:var(--brand-900);text-decoration:none;}
.nav-link:hover::after{transform:scaleX(.55);opacity:.45;}
.nav-link.is-active{color:var(--brand-900);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:14px;}
.nav-cta{padding:11px 22px;font-size:14px;min-height:44px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:8px;border:1px solid var(--line);
  background:#fff;color:var(--brand-900);font-size:17px;cursor:pointer;align-items:center;justify-content:center;
}
.nav-mask{
  position:fixed;inset:0;background:rgba(18,23,18,.5);opacity:0;visibility:hidden;
  transition:opacity var(--tr),visibility var(--tr);z-index:80;
}
.nav-mask.is-open{opacity:1;visibility:visible;}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);background:#fff;z-index:90;
  transform:translateX(102%);transition:transform 240ms ease-out;
  display:flex;flex-direction:column;padding:20px 20px 28px;
  box-shadow:-14px 0 34px rgba(15,51,37,.16);
}
.nav-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;height:44px;margin-bottom:14px;}
.drawer-close{
  width:44px;height:44px;border-radius:8px;border:1px solid var(--line);background:#fff;
  color:var(--brand-900);font-size:16px;cursor:pointer;
}
.drawer-link{
  display:flex;align-items:center;height:56px;padding:0 4px;
  font-size:15px;color:var(--text);border-bottom:1px solid var(--line);
}
.drawer-link:hover{color:var(--brand);text-decoration:none;}
.drawer-link.is-active{color:var(--brand);font-weight:600;}
.drawer-foot{margin-top:auto;padding-top:20px;}

/* 面包屑 */
.breadcrumb-bar{padding:22px 0 0;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:var(--faint);}
.breadcrumb .current{color:var(--brand-900);font-weight:600;}

/* Hero */
.hero{padding:44px 0 56px;}
.hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:center;}
.hero-sub{
  margin-top:18px;max-width:46ch;font-size:17px;color:var(--muted);line-height:1.85;
}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:22px;margin-top:32px;}
.hero-media{position:relative;}
.hero-media img{
  width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:12px;
  box-shadow:0 18px 42px rgba(15,51,37,.14);
}
.hero-badge{
  position:absolute;left:-14px;bottom:22px;background:var(--brand-900);color:#fff;
  border-radius:10px;padding:14px 18px;min-width:150px;box-shadow:0 12px 26px rgba(15,51,37,.26);
}
.hero-badge .num{font-family:var(--font-num);font-size:26px;font-weight:700;line-height:1.1;display:block;}
.hero-badge .txt{font-size:12px;color:rgba(255,255,255,.72);letter-spacing:.08em;margin-top:4px;display:block;}
.trust-bar{
  margin-top:44px;padding-top:18px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;gap:14px 22px;
  font-size:13px;color:var(--muted);
}
.trust-bar .dot{width:5px;height:5px;border-radius:50%;background:var(--line-strong);display:inline-block;}

/* 交替图文 */
.alt-row{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  padding:56px 0;border-top:1px solid var(--line);
}
.alt-row:first-of-type{border-top:none;padding-top:8px;}
.alt-row.is-reverse .alt-media{order:2;}
.alt-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-img);}
.alt-index{
  font-family:var(--font-num);font-size:14px;font-weight:700;letter-spacing:.18em;
  color:var(--accent);display:block;margin-bottom:12px;
}
.alt-body h2{font-size:clamp(22px,2.2vw,28px);margin-bottom:14px;}
.alt-body p{color:var(--muted);font-size:16px;margin-bottom:14px;}
.point-list{margin-top:6px;border-top:1px solid var(--line);}
.point-list li{
  display:flex;gap:10px;align-items:flex-start;padding:12px 0;border-bottom:1px solid var(--line);
  font-size:15px;color:var(--text);
}
.point-list i{color:var(--brand);font-size:13px;margin-top:6px;}
.alt-body .link-arrow{margin-top:20px;}

/* 适用场景 */
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:40px;}
.scene-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px 22px;box-shadow:var(--shadow-sm);
  transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);
}
.scene-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:var(--line-strong);}
.scene-card .tag{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.06em;
  color:var(--brand);background:var(--brand-100);border-radius:var(--radius-pill);
  padding:4px 12px;margin-bottom:14px;
}
.scene-card h3{font-size:18px;margin-bottom:8px;}
.scene-card p{font-size:14px;color:var(--muted);line-height:1.8;}

/* 数据带 */
.stat-band{
  background:var(--brand-900);border-radius:12px;padding:36px 40px;
  display:grid;grid-template-columns:repeat(4,1fr);
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.03) 0 2px,transparent 2px 12px);
}
.stat{padding:0 26px;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(30px,3.2vw,46px);font-weight:700;color:#fff;line-height:1.1;}
.stat-num em{font-style:normal;color:var(--accent);font-size:.6em;margin-left:4px;}
.stat-label{font-size:13px;letter-spacing:.1em;color:rgba(255,255,255,.7);margin-top:8px;}

/* FAQ */
.faq-list{border-top:1px solid var(--line);margin-top:36px;}
.faq-list .accordion-item{border:none;border-bottom:1px solid var(--line);background:transparent;}
.faq-list .accordion-title{
  display:block;position:relative;padding:22px 52px 22px 0;background:transparent;border:none;
  color:var(--text);font-size:17px;font-weight:600;line-height:1.55;
}
.faq-list .accordion-title::before{
  content:"+";position:absolute;right:8px;top:50%;transform:translateY(-50%);
  margin:0;font-size:22px;font-weight:400;color:var(--brand);
}
.faq-list .accordion-item.is-active > .accordion-title::before{content:"−";color:var(--accent);}
.faq-list .accordion-title:hover,.faq-list .accordion-title:focus{
  background:transparent;color:var(--brand);text-decoration:none;
}
.faq-list .accordion-content{
  padding:0 52px 20px 0;border:none;background:transparent;
  color:var(--muted);font-size:15px;line-height:1.85;
}

/* CTA + 表单 */
.cta-shell{
  display:grid;grid-template-columns:5fr 7fr;gap:48px;
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:48px;box-shadow:var(--shadow-sm);
}
.cta-copy h2{margin-bottom:14px;}
.cta-copy p{color:var(--muted);font-size:16px;margin-bottom:18px;}
.cta-facts li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--text);padding:8px 0;}
.cta-facts i{color:var(--accent);font-size:13px;margin-top:6px;}

.form-card{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:28px;}
.form-row{margin-bottom:16px;}
.form-row label{display:block;font-size:13px;font-weight:600;margin-bottom:8px;color:var(--text);}
.form-row input[type="text"],
.form-row input[type="tel"],
.form-row select,
.form-row textarea{
  width:100%;height:46px;padding:0 14px;border:1px solid var(--line-strong);border-radius:6px;
  background:#fff;font-size:15px;color:var(--text);transition:border-color var(--tr),background-color var(--tr),box-shadow var(--tr);
}
.form-row textarea{height:auto;min-height:92px;padding:12px 14px;line-height:1.7;resize:vertical;}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{
  outline:none;border-color:var(--brand);background:var(--brand-100);box-shadow:0 0 0 3px rgba(27,94,67,.08);
}
.form-consent{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--muted);margin:18px 0 14px;}
.form-consent input{width:16px;height:16px;margin-top:5px;flex:none;accent-color:var(--brand);}
.form-note{font-size:12px;color:var(--faint);line-height:1.7;}
.form-note a{color:var(--muted);text-decoration:underline;text-underline-offset:3px;}
.callout-ok{
  background:var(--brand-100);border-left:3px solid var(--brand);border-radius:6px;
  padding:14px 16px;font-size:14px;color:var(--brand-900);margin-bottom:16px;
}
.callout-err{
  background:var(--accent-100);border-left:3px solid var(--accent);border-radius:6px;
  padding:14px 16px;font-size:14px;color:#8A3A0B;margin-bottom:16px;
}

/* 页脚 */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.78);padding:64px 0 26px;margin-top:8px;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.14);}
.site-footer .brand-name{color:#fff;}
.site-footer .brand{margin-bottom:14px;}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.68);max-width:34ch;}
.footer-col h4{color:#fff;font-size:14px;font-weight:600;letter-spacing:.06em;margin-bottom:16px;}
.footer-col ul li{line-height:2;}
.footer-col a,.footer-col span{color:rgba(255,255,255,.72);font-size:14px;}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  padding-top:22px;font-size:12.5px;color:rgba(255,255,255,.56);
}

/* 响应式 */
@media (max-width:1199px){
  .hero-grid{gap:40px;}
  .alt-row{gap:40px;}
  .cta-shell{padding:40px;gap:36px;}
}
@media (max-width:1023px){
  .main-nav,.nav-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .container{padding:0 24px;}
  .section{padding:64px 0;}
  .hero{padding:36px 0 48px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-media{order:-1;}
  .hero-media img{aspect-ratio:16/9;}
  .alt-row{grid-template-columns:1fr;gap:28px;padding:44px 0;}
  .alt-row.is-reverse .alt-media{order:0;}
  .scene-grid{grid-template-columns:repeat(2,1fr);}
  .stat-band{grid-template-columns:repeat(2,1fr);gap:26px 0;padding:30px 28px;}
  .stat:nth-child(3){border-left:none;padding-left:0;}
  .cta-shell{grid-template-columns:1fr;padding:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  body{font-size:15.5px;line-height:1.8;}
  .container{padding:0 20px;}
  .section{padding:48px 0;}
  h1{font-size:clamp(26px,7vw,34px);}
  .header-inner{height:60px;}
  .hero-sub{font-size:16px;}
  .hero-badge{left:12px;bottom:12px;padding:10px 14px;min-width:130px;}
  .hero-badge .num{font-size:22px;}
  .breadcrumb-bar{padding:16px 0 0;}
  .alt-body h2{font-size:22px;}
  .stat-band{grid-template-columns:1fr 1fr;padding:26px 20px;}
  .stat{padding:0 14px;}
  .faq-list .accordion-title{padding:18px 44px 18px 0;font-size:16px;}
  .faq-list .accordion-content{padding:0 0 18px;}
  .form-card{padding:20px;}
  .cta-shell{padding:24px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:519px){
  .scene-grid{grid-template-columns:1fr;}
  .trust-bar .item-extra{display:none;}
  .hero-actions{gap:16px;}
  .btn{width:100%;}
  .hero-actions .link-arrow{width:auto;}
}

/* roulang page: article */
:root{
  --brand:#1B5E43;
  --brand-900:#0F3325;
  --brand-100:#E6EFE9;
  --accent:#F26A21;
  --accent-dark:#D5561A;
  --accent-100:#FFE7D8;
  --bg:#F7F5F0;
  --surface:#FFFFFF;
  --ink-block:#0F3325;
  --text:#141A16;
  --muted:#6B7168;
  --faint:#9AA096;
  --line:#E4E0D6;
  --line-strong:#CFC9BB;
  --radius-card:10px;
  --radius-img:8px;
  --radius-input:6px;
  --shadow-1:0 1px 2px rgba(20,26,22,.04);
  --shadow-2:0 12px 28px rgba(15,51,37,.10);
  --t:200ms ease-out;
  --w-container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:system-ui,-apple-system,"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--t),border-color var(--t);}
a:hover{color:var(--brand);}
p{margin:0 0 1.1em;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-0.01em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--text);}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.container{width:100%;max-width:var(--w-container);margin:0 auto;padding:0 32px;}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.2em;
  color:var(--brand);text-transform:uppercase;margin-bottom:14px;
}
.section{padding:92px 0;}
.section-tight{padding:64px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.section-head h2{font-size:clamp(24px,2.6vw,34px);line-height:1.3;}
.section-head p{color:var(--muted);font-size:15px;margin:10px 0 0;max-width:60ch;}
.section-title{font-size:clamp(24px,2.6vw,34px);line-height:1.3;margin-bottom:26px;}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:14px 28px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.02em;
  transition:background var(--t),color var(--t),transform var(--t),box-shadow var(--t),border-color var(--t);
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(242,106,33,.22);}
.btn-primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{border:1px solid var(--line-strong);color:var(--text);background:transparent;}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);}
.btn-sm{padding:10px 20px;min-height:40px;font-size:14px;}
.text-link{
  display:inline-flex;align-items:center;font-size:15px;font-weight:600;color:var(--brand);
  border-bottom:1px solid transparent;padding-bottom:2px;
}
.text-link .arrow{margin-left:6px;transition:transform var(--t);}
.text-link:hover .arrow{transform:translateX(3px);}
.text-link:hover{border-bottom-color:var(--brand);text-decoration:none;}

/* header */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(247,245,240,.92);
  border-bottom:1px solid var(--line);backdrop-filter:blur(8px);
}
.site-header.is-stuck{background:#fff;box-shadow:0 6px 20px rgba(15,51,37,.06);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;}
.brand-mark{width:10px;height:10px;border-radius:3px;background:var(--accent);display:inline-block;}
.brand-name{font-size:17px;font-weight:700;letter-spacing:.01em;color:var(--text);}
.main-nav{display:flex;align-items:center;gap:30px;}
.nav-link{
  position:relative;font-size:14.5px;letter-spacing:.02em;color:var(--muted);
  padding:6px 0;transition:color var(--t);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform var(--t);
}
.nav-link:hover{color:var(--text);}
.nav-link:hover::after{transform:scaleX(1);background:var(--line-strong);}
.nav-link.is-active{color:var(--text);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:14px;}
.nav-toggle{display:none;width:44px;height:44px;flex-direction:column;justify-content:center;align-items:center;gap:5px;}
.nav-toggle span{display:block;width:20px;height:1.5px;background:var(--text);transition:transform var(--t),opacity var(--t);}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6.5px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg);}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:82%;max-width:340px;background:#fff;z-index:80;
  transform:translateX(102%);transition:transform 220ms ease-out;
  padding:86px 24px 28px;display:flex;flex-direction:column;gap:4px;
  box-shadow:-10px 0 30px rgba(15,51,37,.12);
}
.mobile-drawer.is-open{transform:translateX(0);}
.mobile-drawer a.drawer-link{
  display:flex;align-items:center;min-height:56px;font-size:15.5px;
  border-bottom:1px solid var(--line);color:var(--text);
}
.mobile-drawer a.drawer-link.is-active{color:var(--brand);font-weight:600;}
.mobile-drawer .btn{margin-top:22px;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(18,23,18,.45);z-index:70;
  opacity:0;pointer-events:none;transition:opacity var(--t);
}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}

/* breadcrumb */
.crumb-bar{
  background:var(--surface);border-bottom:1px solid var(--line);
  padding:22px 0 26px;
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--faint);margin-bottom:16px;}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:var(--line-strong);}
.article-meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  font-size:13px;color:var(--muted);padding-bottom:18px;border-bottom:1px solid var(--line);
}
.article-meta-row .cat{color:var(--brand);font-weight:600;}
.article-meta-row .dotline{width:1px;height:13px;background:var(--line-strong);}

/* article layout */
.article-wrap{display:grid;grid-template-columns:minmax(0,1fr) 296px;gap:56px;align-items:start;}
.article-main{padding:64px 0 84px;max-width:820px;}
.article-title{font-size:clamp(30px,4.2vw,44px);line-height:1.25;letter-spacing:-0.01em;margin-bottom:22px;}
.article-lead{
  font-size:16px;color:var(--muted);border-left:3px solid var(--brand-100);
  padding-left:16px;margin-bottom:34px;
}
.article-body{font-size:17.5px;line-height:1.9;}
.article-body p{margin:0 0 1.1em;}
.article-body h2{font-size:clamp(21px,2.1vw,26px);line-height:1.35;margin:2em 0 .8em;}
.article-body h3{font-size:19px;line-height:1.45;margin:1.6em 0 .6em;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:0;}
.article-body ul li,.article-body ol li{position:relative;padding-left:20px;margin-bottom:9px;}
.article-body ul li::before{content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:2px;background:var(--brand);}
.article-body ol{counter-reset:li;}
.article-body ol li::before{
  counter-increment:li;content:counter(li);position:absolute;left:0;top:2px;
  font-size:13px;font-weight:700;color:var(--accent);
}
.article-body blockquote{
  margin:1.6em 0;padding:18px 20px;background:var(--brand-100);
  border-left:3px solid var(--brand);border-radius:0 var(--radius-card) var(--radius-card) 0;
  color:#25402F;font-size:16.5px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--radius-img);margin:1.6em auto;}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{text-align:center;font-size:13px;color:var(--faint);margin-top:10px;}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15.5px;}
.article-body thead th{
  background:var(--brand-100);color:var(--brand-900);font-weight:600;
  text-align:left;padding:12px 14px;border-bottom:1px solid var(--line-strong);
}
.article-body tbody td{padding:12px 14px;border-bottom:1px solid var(--line);}
.article-body tbody tr:nth-child(even){background:rgba(230,239,233,.4);}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:4px;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0;}

/* sidebar */
.article-aside{position:sticky;top:96px;padding:64px 0 0;}
.aside-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px;box-shadow:var(--shadow-1);margin-bottom:20px;
  transition:box-shadow var(--t),transform var(--t);
}
.aside-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);}
.aside-card h3{font-size:15px;font-weight:600;margin-bottom:14px;letter-spacing:.02em;}
.aside-card ul li{border-top:1px solid var(--line);}
.aside-card ul li:first-child{border-top:0;}
.aside-card ul li a{display:flex;align-items:center;min-height:44px;font-size:14.5px;color:var(--muted);}
.aside-card ul li a:hover{color:var(--brand);}
.aside-note{font-size:13px;color:var(--faint);line-height:1.7;margin:0;}
.aside-cta{background:var(--ink-block);color:#fff;border-color:transparent;}
.aside-cta h3{color:#fff;}
.aside-cta p{font-size:13.5px;color:rgba(255,255,255,.72);margin-bottom:16px;}
.aside-cta:hover{transform:translateY(-2px);}

/* continue strip */
.continue-strip{
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:20px 0;margin:8px 0 0;font-size:14.5px;
}
.continue-strip .links{display:flex;flex-wrap:wrap;gap:22px;}
.continue-strip a{color:var(--muted);}
.continue-strip a:hover{color:var(--brand);}

/* cards */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);
  transition:box-shadow var(--t),transform var(--t),border-color var(--t);
}
.card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);border-color:var(--line-strong);}
.card-cover{position:relative;overflow:hidden;aspect-ratio:16/9;background:var(--brand-100);}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform 260ms ease-out;}
.card:hover .card-cover img{transform:scale(1.02);}
.card-body{padding:20px;display:flex;flex-direction:column;flex:1;}
.badge{
  display:inline-block;font-size:12px;font-weight:600;color:var(--brand);
  background:var(--brand-100);border-radius:999px;padding:4px 12px;margin-bottom:12px;
  align-self:flex-start;letter-spacing:.04em;
}
.card h3{font-size:18px;line-height:1.45;margin-bottom:10px;}
.card h3 a:hover{color:var(--brand);text-decoration:none;}
.card .summary{font-size:14.5px;color:var(--muted);line-height:1.75;margin-bottom:16px;flex:1;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--faint);border-top:1px solid var(--line);padding-top:14px;}
.card-foot .bar{width:1px;height:12px;background:var(--line-strong);}
.card-foot .more{color:var(--brand);font-weight:600;}

/* faq */
.faq-wrap{max-width:880px;}
.accordion{border:0;background:transparent;}
.accordion-item{border:0;border-top:1px solid var(--line);background:transparent;}
.accordion-item:last-child{border-bottom:1px solid var(--line);}
.accordion-title{
  position:relative;display:block;padding:22px 44px 22px 22px;
  font-size:17px;font-weight:600;color:var(--text);border:0;line-height:1.5;
}
.accordion-title::before{content:"";position:absolute;left:0;top:30px;width:8px;height:8px;border-radius:2px;background:var(--brand);}
.accordion-title::after{
  content:"+";position:absolute;right:14px;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:400;color:var(--brand);transition:transform var(--t);
}
.accordion-item.is-active .accordion-title::after{content:"–";}
.accordion-title:hover{color:var(--brand);}
.accordion-content{padding:0 44px 22px 22px;border:0;background:transparent;font-size:15px;color:var(--muted);line-height:1.85;}
.accordion-content p:last-child{margin-bottom:0;}

/* cta band */
.cta-band{
  background:var(--ink-block);color:#fff;border-radius:14px;
  padding:48px 44px;display:flex;flex-wrap:wrap;gap:26px;align-items:center;justify-content:space-between;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-40px;top:-40px;width:240px;height:240px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,106,33,.28),transparent 65%);
}
.cta-band h2{font-size:clamp(21px,2.2vw,28px);line-height:1.35;margin-bottom:10px;color:#fff;position:relative;z-index:1;}
.cta-band p{color:rgba(255,255,255,.75);font-size:15px;margin:0;max-width:52ch;position:relative;z-index:1;}
.cta-band .btn{position:relative;z-index:1;}

/* empty state */
.empty-state{
  text-align:center;padding:64px 28px;background:var(--surface);
  border:1px dashed var(--line-strong);border-radius:var(--radius-card);
}
.empty-state .glyph{
  width:52px;height:52px;border-radius:14px;background:var(--brand-100);
  margin:0 auto 18px;display:flex;align-items:center;justify-content:center;
  color:var(--brand);font-size:22px;font-weight:700;
}
.empty-state h2{font-size:22px;margin-bottom:10px;}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:22px;}

/* modal */
.reveal{
  border:0;border-radius:12px;padding:32px;max-width:540px;box-shadow:0 24px 60px rgba(15,51,37,.24);
}
.reveal-overlay{background:rgba(18,23,18,.55);}
.reveal h3{font-size:21px;margin-bottom:8px;}
.reveal .modal-sub{font-size:13.5px;color:var(--muted);margin-bottom:22px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;font-weight:600;margin-bottom:7px;color:var(--text);}
.field input,.field select,.field textarea{
  width:100%;min-height:46px;padding:11px 14px;border:1px solid var(--line-strong);
  border-radius:var(--radius-input);background:#fff;transition:border-color var(--t),box-shadow var(--t),background var(--t);
}
.field textarea{min-height:96px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);background:var(--brand-100);box-shadow:0 0 0 3px rgba(27,94,67,.10);
}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.check-line{display:flex;align-items:flex-start;gap:10px;margin:6px 0 16px;font-size:14px;color:var(--muted);}
.check-line input{width:18px;height:18px;min-height:0;margin-top:3px;padding:0;flex:none;}
.privacy-note{font-size:12.5px;color:var(--faint);line-height:1.75;margin:0;}
.privacy-note a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.reveal .btn-primary{width:100%;}
.callout-ok{
  background:var(--brand-100);color:var(--brand-900);border:1px solid #C9DED2;
  border-radius:var(--radius-input);padding:12px 14px;font-size:13.5px;margin-bottom:16px;
}
.close-button{color:var(--faint);}
.close-button:hover{color:var(--text);}

/* footer */
.site-footer{background:var(--ink-block);color:rgba(255,255,255,.72);padding:64px 0 26px;margin-top:8px;}
.site-footer .brand-name{color:#fff;}
.site-footer .brand-mark{background:var(--accent);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.14);}
.footer-brand p{font-size:14px;line-height:1.85;margin:16px 0 0;color:rgba(255,255,255,.6);max-width:34ch;}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul li a,.footer-col ul li span{font-size:14px;color:rgba(255,255,255,.62);line-height:2;}
.footer-col ul li a:hover{color:#fff;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding-top:22px;font-size:12.5px;color:rgba(255,255,255,.48);
}
.footer-bottom a{color:rgba(255,255,255,.62);text-decoration:underline;text-underline-offset:3px;}

/* responsive */
@media (max-width:1199px){
  .article-wrap{grid-template-columns:minmax(0,1fr) 260px;gap:40px;}
  .container{padding:0 28px;}
}
@media (max-width:1023px){
  .main-nav{display:none;}
  .nav-toggle{display:flex;}
  .header-actions .btn-sm{display:none;}
  .article-wrap{grid-template-columns:1fr;gap:0;}
  .article-aside{position:static;padding:0 0 64px;}
  .article-main{padding:52px 0 40px;max-width:none;}
  .section{padding:64px 0;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .header-inner{height:60px;}
  .section{padding:48px 0;}
  .section-tight{padding:44px 0;}
  .article-body{font-size:16px;line-height:1.82;}
  .article-title{font-size:clamp(26px,7vw,32px);}
  .card-grid{grid-template-columns:1fr;}
  .cta-band{padding:32px 24px;border-radius:12px;}
  .reveal{padding:22px;}
  .field-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .continue-strip{gap:10px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:479px){
  .breadcrumb{font-size:12.5px;}
  .article-meta-row{gap:10px;}
  .accordion-title{font-size:16px;padding-right:36px;}
  .accordion-content{padding-right:22px;}
}

/* roulang page: category2 */
:root{
  --brand:#1B5E43;
  --brand-900:#0F3325;
  --brand-100:#E6EFE9;
  --accent:#F26A21;
  --accent-100:#FFE7D8;
  --bg:#F7F5F0;
  --surface:#FFFFFF;
  --ink-block:#0F3325;
  --text:#141A16;
  --muted:#6B7168;
  --faint:#9AA096;
  --line:#E4E0D6;
  --line-strong:#CFC9BB;
  --radius-card:10px;
  --radius-img:8px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(20,26,22,.04);
  --shadow-2:0 12px 28px rgba(15,51,37,.10);
  --t:200ms ease-out;
  --container:1200px;
  --mono:"Roboto Condensed",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
a:hover{color:var(--brand);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text);letter-spacing:-0.01em;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
input,textarea,select{font-family:inherit;font-size:15px;}
::selection{background:var(--accent-100);color:var(--brand-900);}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(247,245,240,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t),background var(--t);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.97);
  box-shadow:0 6px 20px rgba(15,51,37,.07);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-mark{
  width:12px;
  height:12px;
  border-radius:3px;
  background:var(--brand);
  display:inline-block;
  position:relative;
}
.brand-mark::after{
  content:"";
  position:absolute;
  inset:auto -5px -5px auto;
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--accent);
}
.brand-name{
  font-size:18px;
  font-weight:700;
  letter-spacing:0.01em;
  color:var(--text);
}
.main-nav{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:4px;
  flex:1;
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  padding:10px 14px;
  font-size:14.5px;
  letter-spacing:0.02em;
  color:var(--muted);
  white-space:nowrap;
  transition:color var(--t);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:4px;
  height:2px;
  border-radius:2px;
  background:var(--brand);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform 180ms ease-out;
}
.nav-link:hover{color:var(--text);}
.nav-link:hover::after{transform:scaleX(1);opacity:.35;}
.nav-link.is-active{color:var(--text);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);opacity:1;}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border:1px solid var(--line-strong);
  border-radius:var(--radius-pill);
  background:transparent;
  position:relative;
  cursor:pointer;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  position:absolute;
  left:50%;
  width:18px;
  height:1.5px;
  background:var(--text);
  border-radius:2px;
  transform:translateX(-50%);
  transition:transform var(--t),opacity var(--t);
}
.nav-toggle span{top:50%;margin-top:-1px;}
.nav-toggle span::before{content:"";top:-6px;left:0;transform:none;}
.nav-toggle span::after{content:"";bottom:-6px;left:0;transform:none;}
.nav-toggle.is-open span{background:transparent;}
.nav-toggle.is-open span::before{transform:rotate(45deg);top:0;}
.nav-toggle.is-open span::after{transform:rotate(-45deg);bottom:0;}
.drawer-cta{display:none;}
.nav-scrim{
  display:none;
  position:fixed;
  inset:0;
  background:rgba(18,23,18,.45);
  z-index:1003;
  opacity:0;
  transition:opacity var(--t);
}
.nav-scrim.is-open{display:block;opacity:1;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:12px 26px;
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  border-radius:var(--radius-pill);
  border:1px solid transparent;
  cursor:pointer;
  transition:background var(--t),color var(--t),transform var(--t),box-shadow var(--t),border-color var(--t);
}
.btn-primary{
  background:var(--accent);
  color:#fff;
  box-shadow:0 6px 16px rgba(242,106,33,.22);
}
.btn-primary:hover{background:#D95A15;color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(242,106,33,.28);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;
  color:var(--brand);
  border-color:var(--line-strong);
}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-900);background:var(--brand-100);}
.btn-sm{padding:9px 18px;font-size:14px;min-height:40px;}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14.5px;
  font-weight:600;
  color:var(--brand);
  min-height:44px;
  transition:color var(--t);
}
.text-link i{transition:transform var(--t);font-size:12px;}
.text-link:hover{color:var(--brand-900);text-decoration:underline;text-underline-offset:4px;}
.text-link:hover i{transform:translateX(3px);}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.eyebrow{
  display:inline-block;
  font-size:12px;
  font-weight:600;
  letter-spacing:0.2em;
  color:var(--accent);
  text-transform:uppercase;
  margin-bottom:14px;
}
.section-head h2{
  font-size:clamp(24px,2.6vw,34px);
  line-height:1.3;
  margin-bottom:18px;
}
.section-sub{color:var(--muted);font-size:16px;max-width:62ch;}
.divider{height:1px;background:var(--line);border:0;margin:0;}
.badge{
  display:inline-flex;
  align-items:center;
  padding:5px 12px;
  font-size:12px;
  font-weight:600;
  letter-spacing:0.06em;
  border-radius:var(--radius-pill);
  background:var(--brand-100);
  color:var(--brand);
}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--muted);
  padding-top:28px;
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px;}
.breadcrumb .sep{color:var(--faint);}
.breadcrumb .current{color:var(--text);font-weight:600;}

/* ---------- 页头 Hero ---------- */
.page-hero{padding-bottom:72px;}
.page-hero-grid{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:56px;
  align-items:center;
  margin-top:40px;
}
.page-hero-text h1{
  font-size:clamp(30px,4.2vw,46px);
  line-height:1.25;
  letter-spacing:-0.01em;
  margin-bottom:20px;
}
.page-hero-text .lede{
  font-size:17px;
  line-height:1.8;
  color:var(--muted);
  max-width:46ch;
  margin-bottom:32px;
}
.hero-cta{display:flex;flex-wrap:wrap;align-items:center;gap:20px;}
.page-hero-media{position:relative;}
.page-hero-media img{
  width:100%;
  aspect-ratio:3/2;
  object-fit:cover;
  border-radius:12px;
  box-shadow:var(--shadow-1);
}
.media-tag{
  position:absolute;
  left:18px;
  bottom:18px;
  background:var(--brand-900);
  color:#fff;
  border-radius:10px;
  padding:12px 18px;
  display:flex;
  align-items:baseline;
  gap:8px;
}
.media-tag .num{
  font-family:var(--mono);
  font-size:26px;
  font-weight:700;
  color:var(--accent);
  line-height:1;
}
.media-tag .lbl{font-size:12px;letter-spacing:0.1em;color:rgba(255,255,255,.82);}

/* ---------- 锚点标签条 ---------- */
.anchor-bar{
  position:sticky;
  top:72px;
  z-index:900;
  background:rgba(247,245,240,.96);
  backdrop-filter:blur(8px);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.anchor-inner{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  padding-top:14px;
  padding-bottom:14px;
}
.pill{
  display:inline-flex;
  align-items:center;
  padding:9px 20px;
  min-height:40px;
  font-size:14px;
  font-weight:600;
  color:var(--muted);
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  transition:all var(--t);
}
.pill:hover{color:var(--brand);border-color:var(--brand);}
.pill.is-active{
  background:var(--brand);
  border-color:var(--brand);
  color:#fff;
}

/* ---------- 三行图文列表 ---------- */
.media-rows{border-top:1px solid var(--line);}
.media-row{
  display:grid;
  grid-template-columns:40fr 60fr;
  gap:48px;
  align-items:center;
  padding:44px 0;
  border-bottom:1px solid var(--line);
}
.media-row-img{overflow:hidden;border-radius:var(--radius-img);}
.media-row-img img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--radius-img);
  transition:transform 220ms ease-out;
}
.media-row:hover .media-row-img img{transform:scale(1.02);}
.media-row-body h3{
  font-size:20px;
  line-height:1.45;
  margin:14px 0 12px;
}
.media-row-body p{color:var(--muted);font-size:15.5px;max-width:60ch;}
.mini-list{
  display:flex;
  flex-wrap:wrap;
  gap:10px 18px;
  margin:18px 0 6px;
}
.mini-list li{
  position:relative;
  padding-left:16px;
  font-size:14px;
  color:var(--text);
}
.mini-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:9px;
  width:6px;
  height:6px;
  border-radius:2px;
  background:var(--accent);
}

/* ---------- 配套卡片 ---------- */
.grid-margin-x{margin-left:-12px;margin-right:-12px;}
.grid-margin-x > .cell{margin-left:12px;margin-right:12px;}
.grid-margin-y{margin-top:-12px;margin-bottom:-12px;}
.grid-margin-y > .cell{margin-top:12px;margin-bottom:12px;}
.grid-margin-x > .cell,
.grid-margin-y > .cell{width:calc(100% - 24px);}
.card{
  height:100%;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px 24px;
  box-shadow:var(--shadow-1);
  transition:box-shadow var(--t),transform var(--t),border-color var(--t);
}
.card:hover{
  box-shadow:var(--shadow-2);
  transform:translateY(-2px);
  border-color:var(--line-strong);
}
.card h3{font-size:19px;line-height:1.45;margin-bottom:10px;}
.card p{color:var(--muted);font-size:15px;}
.card-num{
  font-family:var(--mono);
  font-size:13px;
  font-weight:700;
  letter-spacing:0.14em;
  color:var(--accent);
  display:block;
  margin-bottom:14px;
}
.card-list{margin-top:16px;}
.card-list li{
  position:relative;
  padding-left:18px;
  font-size:14px;
  color:var(--muted);
  line-height:1.9;
}
.card-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:12px;
  width:8px;
  height:1px;
  background:var(--brand);
}

/* ---------- 流程 ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:0;
  border-top:1px solid var(--line);
  margin-top:8px;
}
.step{
  padding:30px 22px 26px;
  border-right:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:transparent;
  transition:background var(--t);
}
.step:first-child{padding-left:0;}
.step:last-child{border-right:0;}
.step:hover{background:var(--brand-100);}
.step-num{
  font-family:var(--mono);
  font-size:13px;
  font-weight:700;
  letter-spacing:0.16em;
  color:var(--accent);
  display:block;
  margin-bottom:16px;
}
.step h3{font-size:17px;margin-bottom:10px;}
.step p{font-size:14px;color:var(--muted);line-height:1.8;}

/* ---------- 数据带 ---------- */
.stats-band{
  background:var(--ink-block);
  color:#fff;
  padding:56px 0;
  position:relative;
  overflow:hidden;
}
.stats-band::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.05) 0 1px,transparent 1px 14px);
  pointer-events:none;
}
.stats-grid{
  position:relative;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
}
.stat{
  padding:0 28px;
  border-left:1px solid rgba(255,255,255,.18);
}
.stat:first-child{border-left:0;padding-left:0;}
.stat-num{
  display:block;
  font-family:var(--mono);
  font-size:clamp(32px,4vw,48px);
  font-weight:700;
  line-height:1.1;
  letter-spacing:-0.01em;
  color:#fff;
}
.stat-num em{font-style:normal;font-size:.55em;color:var(--accent);margin-left:4px;}
.stat-label{
  display:block;
  margin-top:12px;
  font-size:13px;
  letter-spacing:0.1em;
  color:rgba(255,255,255,.72);
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;}
.accordion.faq-accordion{
  border:0;
  background:transparent;
  border-top:1px solid var(--line);
  margin:0;
}
.accordion.faq-accordion .accordion-item{
  border:0;
  border-bottom:1px solid var(--line);
  background:transparent;
}
.accordion.faq-accordion .accordion-title{
  position:relative;
  display:block;
  padding:22px 48px 22px 22px;
  font-size:17px;
  font-weight:600;
  line-height:1.6;
  color:var(--text);
  border:0;
  background:transparent;
  transition:color var(--t);
}
.accordion.faq-accordion .accordion-title::before{
  content:"+";
  position:absolute;
  right:18px;
  left:auto;
  top:50%;
  transform:translateY(-50%);
  width:auto;
  height:auto;
  margin:0;
  font-size:22px;
  font-weight:400;
  line-height:1;
  color:var(--accent);
  top:50%;
}
.accordion.faq-accordion .accordion-item.is-active .accordion-title::before{content:"−";}
.accordion.faq-accordion .accordion-item.is-active .accordion-title{color:var(--brand);}
.accordion.faq-accordion .accordion-title:hover{color:var(--brand);}
.accordion.faq-accordion .accordion-content{
  padding:0 48px 22px 22px;
  border:0;
  background:transparent;
  color:var(--muted);
  font-size:15px;
  line-height:1.85;
}
.faq-note{
  margin-top:26px;
  font-size:14px;
  color:var(--muted);
}

/* ---------- CTA 条 ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  background-image:linear-gradient(rgba(15,51,37,.9),rgba(15,51,37,.9)),url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  color:#fff;
}
.cta-inner{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  padding:52px 0;
}
.cta-inner h2{
  color:#fff;
  font-size:clamp(22px,2.4vw,30px);
  line-height:1.3;
  margin-bottom:10px;
}
.cta-inner p{color:rgba(255,255,255,.78);font-size:15px;max-width:56ch;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#0F3325;
  color:rgba(255,255,255,.72);
  padding:64px 0 28px;
  font-size:14px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.14);
}
.site-footer .brand-name{color:#fff;}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.66);max-width:32ch;}
.footer-col h4{
  color:#fff;
  font-size:14px;
  font-weight:600;
  letter-spacing:0.06em;
  margin-bottom:16px;
}
.footer-col ul li{line-height:2;}
.footer-col ul li a{color:rgba(255,255,255,.72);transition:color var(--t);}
.footer-col ul li a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.footer-col ul li span{color:rgba(255,255,255,.6);font-size:13.5px;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  padding-top:24px;
  font-size:12.5px;
  color:rgba(255,255,255,.5);
}

/* ---------- 弹层表单 ---------- */
.reveal.lead-modal{
  position:fixed;
  inset:0;
  top:0;
  left:0;
  right:0;
  bottom:0;
  width:auto;
  max-width:none;
  height:auto;
  margin:0;
  padding:24px;
  border:0;
  border-radius:0;
  background:transparent;
  box-shadow:none;
  display:none;
  overflow-y:auto;
  z-index:1300;
}
.reveal.lead-modal.is-open{display:block;}
.lead-modal .modal-scrim{
  position:fixed;
  inset:0;
  background:rgba(18,23,18,.55);
}
.lead-card{
  position:relative;
  width:100%;
  max-width:540px;
  margin:6vh auto 40px;
  background:var(--surface);
  border-radius:12px;
  padding:32px;
  box-shadow:0 24px 60px rgba(15,51,37,.28);
}
.lead-card h3{font-size:21px;margin-bottom:8px;}
.lead-card .lead-sub{font-size:13px;color:var(--muted);margin-bottom:22px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;font-weight:600;margin-bottom:7px;}
.field input,
.field select,
.field textarea{
  width:100%;
  min-height:46px;
  padding:11px 14px;
  border:1px solid var(--line-strong);
  border-radius:6px;
  background:#fff;
  color:var(--text);
  transition:border-color var(--t),box-shadow var(--t),background var(--t);
}
.field textarea{min-height:96px;resize:vertical;}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--brand);
  background:#FBFDFB;
  box-shadow:0 0 0 3px rgba(27,94,67,.10);
}
.consent{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:13px;
  color:var(--muted);
  margin:18px 0 20px;
}
.consent input{margin-top:4px;width:16px;height:16px;accent-color:var(--brand);}
.consent a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.lead-card .btn{width:100%;}
.modal-close{
  position:absolute;
  top:16px;
  right:16px;
  width:36px;
  height:36px;
  border:1px solid var(--line);
  border-radius:50%;
  background:transparent;
  color:var(--muted);
  cursor:pointer;
  font-size:15px;
  line-height:1;
  transition:all var(--t);
}
.modal-close:hover{border-color:var(--brand);color:var(--brand);}
.form-tip{
  display:none;
  margin-top:16px;
  padding:14px 16px;
  font-size:14px;
  border-radius:8px;
  background:var(--brand-100);
  color:var(--brand-900);
}
.form-tip.is-visible{display:block;}
.privacy-line{font-size:12.5px;color:var(--faint);margin-top:14px;line-height:1.7;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .page-hero-grid{gap:40px;}
  .media-row{gap:36px;}
  .steps{grid-template-columns:repeat(3,1fr);}
  .step:nth-child(3){border-right:0;}
  .step:first-child{padding-left:22px;}
  .footer-grid{grid-template-columns:1.6fr 1fr 1fr;row-gap:32px;}
  .footer-col:last-child{grid-column:1 / -1;}
}
@media (max-width:1023px){
  .main-nav{gap:0;}
  .nav-link{padding:10px 9px;font-size:13.5px;}
  .page-hero-grid{grid-template-columns:1fr;gap:32px;}
  .page-hero-media{order:-1;}
  .media-row{grid-template-columns:1fr;gap:22px;padding:34px 0;}
  .media-row-img img{aspect-ratio:16/9;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:32px 0;}
  .stat:nth-child(3){border-left:0;padding-left:0;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .step:nth-child(3){border-right:1px solid var(--line);}
  .step:nth-child(2n){border-right:0;}
  .step:first-child{padding-left:22px;}
  .section{padding:64px 0;}
}
@media (max-width:900px){
  .container{padding-left:24px;padding-right:24px;}
  .nav-toggle{display:block;}
  .header-actions .btn{display:none;}
  .main-nav{
    position:fixed;
    top:0;
    right:0;
    width:min(330px,86vw);
    height:100vh;
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    gap:0;
    padding:88px 24px 32px;
    background:#fff;
    box-shadow:-10px 0 36px rgba(15,51,37,.14);
    transform:translateX(104%);
    transition:transform 220ms ease-out;
    z-index:1004;
    overflow-y:auto;
  }
  .main-nav.is-open{transform:translateX(0);}
  .nav-link{
    padding:0 4px;
    height:56px;
    font-size:15px;
    border-bottom:1px solid var(--line);
    color:var(--text);
  }
  .nav-link::after{display:none;}
  .nav-link.is-active{color:var(--brand);}
  .drawer-cta{
    display:inline-flex;
    margin-top:24px;
    width:100%;
  }
  .anchor-bar{top:60px;}
  .header-inner{height:60px;}
  .section{padding:56px 0;}
  .page-hero{padding-bottom:48px;}
}
@media (max-width:767px){
  body{font-size:15.5px;line-height:1.8;}
  .section{padding:48px 0;}
  .section-head{margin-bottom:28px;}
  .page-hero-text h1{font-size:29px;}
  .page-hero-text .lede{font-size:15.5px;}
  .media-row-body h3{font-size:18px;}
  .steps{grid-template-columns:1fr;}
  .step{border-right:0;padding-left:0 !important;padding-right:0;}
  .step{padding:24px 0 20px;}
  .stats-band{padding:44px 0;}
  .stat{padding:0 20px;}
  .cta-inner{padding:44px 0;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .lead-card{padding:24px 20px;margin-top:4vh;}
  .accordion.faq-accordion .accordion-title{font-size:16px;padding:18px 42px 18px 18px;}
  .accordion.faq-accordion .accordion-content{padding:0 42px 18px 18px;}
}
@media (max-width:520px){
  .container{padding-left:20px;padding-right:20px;}
  .brand-name{font-size:16px;}
  .header-actions{gap:8px;}
  .page-hero-grid{margin-top:26px;}
  .stats-grid{grid-template-columns:1fr;gap:26px 0;}
  .stat{border-left:0;padding-left:0;}
  .footer-bottom{flex-direction:column;}
  .hero-cta{gap:12px;}
  .hero-cta .btn{width:100%;}
  .media-tag{left:12px;bottom:12px;padding:10px 14px;}
  .media-tag .num{font-size:22px;}
}

/* roulang page: category4 */
:root{
  --brand:#1B5E43;
  --brand-900:#0F3325;
  --brand-100:#E6EFE9;
  --accent:#F26A21;
  --accent-100:#FFE7D8;
  --bg:#F7F5F0;
  --surface:#FFFFFF;
  --text:#141A16;
  --muted:#6B7168;
  --faint:#9AA096;
  --line:#E4E0D6;
  --line-strong:#CFC9BB;
  --radius-card:10px;
  --radius-img:8px;
  --shadow-sm:0 1px 2px rgba(20,26,22,.04);
  --shadow-md:0 12px 28px rgba(15,51,37,.10);
  --t:200ms ease-out;
  --font-sans:system-ui,-apple-system,"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-num:"Roboto Condensed",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--accent);text-decoration:underline;text-underline-offset:4px;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
.container{max-width:1200px;margin:0 auto;padding:0 32px;width:100%;}
.section{padding:92px 0;}
.section--tight{padding:64px 0;}
.section-head{margin-bottom:36px;}
.section-head h2{margin-bottom:14px;}
.sec-title{font-size:clamp(24px,2.6vw,34px);line-height:1.3;letter-spacing:-.01em;}
.sec-desc{color:var(--muted);font-size:15px;max-width:62ch;line-height:1.8;}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.2em;
  color:var(--accent);text-transform:uppercase;margin-bottom:14px;
}
.divider{height:1px;background:var(--line);border:0;margin:0;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,240,.94);
  backdrop-filter:saturate(150%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t),background var(--t);
}
.site-header.is-scrolled{background:#fff;box-shadow:0 6px 20px rgba(15,51,37,.06);}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;height:72px;
}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);text-decoration:none;}
.brand:hover{text-decoration:none;color:var(--text);}
.brand-mark{
  width:12px;height:12px;border-radius:3px;background:var(--brand);
  box-shadow:0 0 0 4px var(--brand-100);flex:none;
}
.brand-name{font-size:17px;font-weight:700;letter-spacing:.01em;}
.main-nav{display:flex;align-items:center;gap:30px;}
.nav-link{
  position:relative;font-size:14px;color:#3B423C;letter-spacing:.02em;
  padding:6px 0;line-height:1.6;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;
  transition:transform 180ms ease-out;
}
.nav-link:hover{color:var(--brand);text-decoration:none;}
.nav-link:hover::after{transform:scaleX(1);background:var(--line-strong);}
.nav-link.is-active{color:var(--brand);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:14px;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line-strong);
  border-radius:8px;background:#fff;cursor:pointer;position:relative;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  position:absolute;left:12px;right:12px;height:1.5px;background:var(--text);content:"";transition:var(--t);
}
.nav-toggle span{top:21px;}
.nav-toggle span::before{top:-6px;left:0;right:0;}
.nav-toggle span::after{top:6px;left:0;right:0;}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:82%;max-width:340px;background:#fff;
  z-index:80;padding:24px 22px;transform:translateX(102%);
  transition:transform 220ms ease-out;display:flex;flex-direction:column;
  box-shadow:-16px 0 40px rgba(15,51,37,.14);overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0);}
.nav-drawer-close{
  align-self:flex-end;width:44px;height:44px;border:0;background:transparent;
  font-size:22px;line-height:1;color:var(--muted);cursor:pointer;
}
.nav-drawer a.drawer-link{
  display:block;line-height:56px;font-size:15px;color:var(--text);
  border-bottom:1px solid var(--line);
}
.nav-drawer a.drawer-link.is-active{color:var(--brand);font-weight:600;}
.nav-drawer .drawer-cta{margin-top:22px;}
.backdrop{
  position:fixed;inset:0;background:rgba(18,23,18,.45);z-index:70;
  opacity:0;visibility:hidden;transition:var(--t);
}
.backdrop.is-open{opacity:1;visibility:visible;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:12px 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.01em;cursor:pointer;
  transition:transform var(--t),background var(--t),color var(--t),box-shadow var(--t);
  text-decoration:none;
}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(242,106,33,.22);}
.btn-accent:hover{background:#D95A17;color:#fff;transform:translateY(-1px);text-decoration:none;}
.btn-accent:active{transform:translateY(0);}
.btn-outline{background:transparent;color:var(--brand);border-color:var(--line-strong);}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);text-decoration:none;background:var(--brand-100);}
.btn-block{width:100%;}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--accent);outline-offset:2px;
}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);
}
.link-arrow::after{content:"→";transition:transform var(--t);}
.link-arrow:hover{text-decoration:none;color:var(--accent);}
.link-arrow:hover::after{transform:translateX(3px);}

/* ---------- 面包屑 ---------- */
.crumb{font-size:13px;color:var(--faint);padding:22px 0 0;}
.crumb a{color:var(--muted);}
.crumb span.sep{margin:0 8px;color:var(--line-strong);}

/* ---------- Hero ---------- */
.page-hero{padding:40px 0 72px;}
.hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:center;}
.page-hero h1{
  font-size:clamp(30px,4.2vw,46px);line-height:1.25;letter-spacing:-.01em;margin-bottom:18px;
}
.hero-lead{font-size:16.5px;color:var(--muted);max-width:46ch;line-height:1.85;}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:22px;margin-top:32px;}
.hero-trust{
  margin-top:34px;padding-top:16px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px 14px;font-size:13px;color:var(--muted);
}
.hero-trust span.dot{color:var(--line-strong);}
.hero-figure{position:relative;}
.hero-figure img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:12px;
  box-shadow:var(--shadow-md);
}
.hero-chip{
  position:absolute;left:-18px;bottom:26px;background:var(--brand-900);color:#fff;
  border-radius:10px;padding:14px 18px;min-width:150px;box-shadow:var(--shadow-md);
}
.hero-chip .num{font-family:var(--font-num);font-size:30px;line-height:1;letter-spacing:-.02em;}
.hero-chip .num em{font-style:normal;font-size:15px;margin-left:2px;}
.hero-chip .cap{font-size:12px;color:rgba(255,255,255,.72);margin-top:6px;letter-spacing:.06em;}

/* ---------- 卡片与栅格 ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px;box-shadow:var(--shadow-sm);transition:box-shadow var(--t),transform var(--t),border-color var(--t);
}
.card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);border-color:var(--line-strong);}
.card h3{font-size:19px;line-height:1.45;margin-bottom:12px;}
.card p{color:var(--muted);font-size:14.5px;line-height:1.8;}
.badge{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.06em;
  background:var(--brand-100);color:var(--brand);border-radius:999px;padding:4px 12px;
}
.badge--accent{background:var(--accent-100);color:#B8480D;}

/* 断点卡片：不等高 */
.pain-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;align-items:start;}
.pain-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-sm);transition:box-shadow var(--t),transform var(--t);}
.pain-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);}
.pain-card .q{font-size:16.5px;font-weight:600;line-height:1.5;margin-bottom:10px;display:block;}
.pain-card .a{font-size:14px;color:var(--muted);line-height:1.75;}
.pain-card:nth-child(2){margin-top:26px;}
.pain-card:nth-child(4){margin-top:44px;}
.pain-card .idx{font-family:var(--font-num);font-size:13px;color:var(--accent);letter-spacing:.12em;display:block;margin-bottom:12px;}

/* ---------- 时间线 ---------- */
.timeline{position:relative;max-width:920px;margin:0 auto;}
.tl-item{
  position:relative;padding:0 0 34px 68px;
}
.tl-item::before{
  content:"";position:absolute;left:15px;top:26px;bottom:-6px;width:1px;background:var(--line);
}
.tl-item:last-child::before{display:none;}
.tl-item:last-child{padding-bottom:0;}
.tl-dot{
  position:absolute;left:0;top:2px;width:32px;height:32px;border-radius:50%;
  background:var(--surface);border:1px solid var(--line-strong);color:var(--brand);
  font-family:var(--font-num);font-size:13px;display:flex;align-items:center;justify-content:center;
}
.tl-item.is-key .tl-dot{background:var(--brand);border-color:var(--brand);color:#fff;}
.tl-body{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px 24px;box-shadow:var(--shadow-sm);transition:box-shadow var(--t),transform var(--t);
}
.tl-body:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);}
.tl-body h3{font-size:18px;margin-bottom:8px;}
.tl-body p{color:var(--muted);font-size:14.5px;}
.tl-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tl-meta span{
  font-size:12px;color:var(--muted);background:var(--bg);border:1px solid var(--line);
  border-radius:999px;padding:3px 10px;
}

/* ---------- 数据条 ---------- */
.stat-band{
  background:var(--brand-900);color:#fff;border-radius:12px;
  padding:38px 32px;position:relative;overflow:hidden;
}
.stat-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.045) 0 2px,transparent 2px 10px);
}
.stat-grid{position:relative;display:grid;grid-template-columns:repeat(4,1fr);}
.stat-item{padding:0 22px;border-left:1px solid rgba(255,255,255,.18);}
.stat-item:first-child{border-left:0;padding-left:0;}
.stat-num{
  font-family:var(--font-num);font-size:clamp(34px,4.6vw,52px);line-height:1;letter-spacing:-.02em;
}
.stat-num em{font-style:normal;font-size:16px;margin-left:3px;color:rgba(255,255,255,.8);}
.stat-label{font-size:13px;letter-spacing:.1em;color:rgba(255,255,255,.68);margin-top:10px;}

/* ---------- 权益清单 ---------- */
.benefit-list{border-top:1px solid var(--line);}
.benefit-row{
  display:grid;grid-template-columns:64px 1.1fr 1.6fr;gap:24px;align-items:baseline;
  padding:22px 0;border-bottom:1px solid var(--line);transition:background var(--t);
}
.benefit-row:hover{background:#fff;}
.benefit-row .bn{font-family:var(--font-num);font-size:14px;color:var(--accent);letter-spacing:.1em;}
.benefit-row .bt{font-size:17px;font-weight:600;}
.benefit-row .bd{color:var(--muted);font-size:14.5px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;}
.faq-list{list-style:none;margin:0;border-top:1px solid var(--line);}
.faq-list .accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent;}
.faq-list .accordion-title{
  display:flex;align-items:center;gap:12px;background:transparent;border:0;
  padding:20px 40px 20px 0;font-size:17px;font-weight:600;color:var(--text);line-height:1.6;
  position:relative;transition:color var(--t);
}
.faq-list .accordion-title::before{
  content:"";width:8px;height:8px;border-radius:2px;background:var(--brand);flex:none;
}
.faq-list .accordion-title::after{
  content:"+";position:absolute;right:8px;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:400;color:var(--faint);transition:var(--t);
}
.faq-list .accordion-item.is-active .accordion-title{color:var(--brand);}
.faq-list .accordion-item.is-active .accordion-title::after{content:"−";color:var(--brand);}
.faq-list .accordion-title:hover{color:var(--brand);}
.faq-list .accordion-content{
  border:0;background:transparent;padding:0 40px 20px 20px;
  color:var(--muted);font-size:15px;line-height:1.85;
}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--brand-100);border:1px solid #D3E3DA;border-radius:12px;
  padding:40px 36px;display:flex;align-items:center;justify-content:space-between;
  gap:28px;flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(21px,2.2vw,27px);margin-bottom:10px;}
.cta-band p{color:var(--muted);font-size:14.5px;max-width:56ch;}
.cta-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:#D9E4DE;margin-top:88px;padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;}
.site-footer .brand-name{color:#fff;}
.site-footer .brand-mark{background:var(--accent);box-shadow:0 0 0 4px rgba(255,255,255,.08);}
.site-footer .brand:hover{color:#fff;}
.footer-brand p{color:rgba(233,240,236,.7);font-size:14px;margin-top:16px;max-width:30ch;line-height:1.8;}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:16px;letter-spacing:.04em;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a,.footer-col span{color:rgba(233,240,236,.72);font-size:14px;line-height:1.9;}
.footer-col a:hover{color:#fff;text-decoration:none;}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(233,240,236,.58);
}

/* ---------- 表单与弹层 ---------- */
.reveal.lead-modal{
  width:min(560px,92vw);border-radius:12px;border:0;padding:32px;
  box-shadow:0 24px 60px rgba(15,51,37,.28);
}
.lead-modal h3{font-size:22px;margin-bottom:8px;}
.lead-modal .modal-note{font-size:13px;color:var(--muted);margin-bottom:22px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;font-weight:600;margin-bottom:7px;color:#3B423C;}
.field input[type=text],.field input[type=tel],.field select,.field textarea{
  width:100%;min-height:46px;border:1px solid var(--line-strong);border-radius:6px;
  background:#FCFBF8;padding:11px 14px;font-size:15px;color:var(--text);
  transition:border-color var(--t),background var(--t),box-shadow var(--t);
}
.field textarea{min-height:96px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);background:var(--brand-100);box-shadow:0 0 0 3px rgba(27,94,67,.12);
}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--muted);margin:6px 0 14px;}
.consent input{margin-top:4px;width:16px;height:16px;accent-color:var(--brand);}
.privacy-line{font-size:12.5px;color:var(--faint);line-height:1.7;}
.privacy-line a{color:var(--muted);text-decoration:underline;text-underline-offset:3px;}
.form-callout{
  display:none;background:var(--brand-100);border:1px solid #CFE1D8;color:var(--brand);
  border-radius:8px;padding:12px 14px;font-size:14px;margin-bottom:16px;
}
.form-callout.is-on{display:block;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{padding:0 24px;}
  .hero-grid{gap:40px;}
  .main-nav{gap:22px;}
  .nav-link{font-size:13.5px;}
}
@media (max-width:1023px){
  .section{padding:64px 0;}
  .main-nav,.header-actions .btn{display:none;}
  .nav-toggle{display:block;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .page-hero{padding:24px 0 52px;}
  .hero-figure img{aspect-ratio:16/10;}
  .pain-grid{grid-template-columns:repeat(2,1fr);}
  .pain-card:nth-child(2),.pain-card:nth-child(4){margin-top:0;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:24px 0;}
  .stat-item:nth-child(3){border-left:0;padding-left:0;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
}
@media (max-width:767px){
  body{font-size:15.5px;line-height:1.8;}
  .container{padding:0 20px;}
  .section{padding:48px 0;}
  .header-inner{height:60px;}
  .page-hero h1{font-size:clamp(26px,7vw,32px);}
  .hero-lead{font-size:15px;max-width:none;}
  .hero-chip{position:static;display:inline-block;margin-top:14px;left:0;bottom:0;}
  .grid-2,.grid-3,.pain-grid{grid-template-columns:1fr;}
  .benefit-row{grid-template-columns:44px 1fr;gap:8px 14px;}
  .benefit-row .bd{grid-column:2;}
  .stat-grid{grid-template-columns:1fr 1fr;}
  .stat-item{padding:0 16px;}
  .stat-item:nth-child(3){border-left:1px solid rgba(255,255,255,.18);padding-left:16px;}
  .stat-item:nth-child(1),.stat-item:nth-child(3){border-left:0;padding-left:0;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-band{padding:28px 22px;}
  .reveal.lead-modal{padding:22px;}
  .tl-item{padding-left:52px;}
}
@media (max-width:520px){
  .hero-trust span:nth-child(n+4){display:none;}
  .section-head{margin-bottom:26px;}
  .card{padding:20px;}
  .footer-bottom{font-size:12px;}
}

/* roulang page: category3 */
:root{
  --brand:#1B5E43;
  --brand-900:#0F3325;
  --brand-100:#E6EFE9;
  --accent:#F26A21;
  --accent-dark:#D9560F;
  --accent-100:#FFE7D8;
  --bg:#F7F5F0;
  --surface:#FFFFFF;
  --text:#141A16;
  --muted:#6B7168;
  --faint:#9AA096;
  --line:#E4E0D6;
  --line-strong:#CFC9BB;
  --radius-card:10px;
  --radius-img:8px;
  --radius-btn:999px;
  --shadow-card:0 1px 2px rgba(20,26,22,.04);
  --shadow-hover:0 12px 28px rgba(15,51,37,.10);
  --container:1200px;
  --ease:200ms cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:system-ui,-apple-system,"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand);text-decoration:none;}
a:hover{text-decoration:underline;text-underline-offset:4px;}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;color:var(--text);}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.container{max-width:var(--container);margin:0 auto;padding:0 32px;width:100%;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;padding:10px 16px;z-index:200;}
.skip-link:focus{left:16px;top:16px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;border-radius:var(--radius-btn);
  padding:14px 28px;font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:background var(--ease),color var(--ease),transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  text-decoration:none;min-height:44px;
}
.btn:hover{text-decoration:none;}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(242,106,33,.22);}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-1px);color:#fff;}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--line-strong);}
.btn-ghost:hover{border-color:var(--brand);background:var(--brand-100);color:var(--brand-900);}
.btn-sm{padding:11px 20px;font-size:14px;}
.btn-block{width:100%;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;background:none;border:0;padding:6px 0;
  font-size:14px;font-weight:600;color:var(--brand);cursor:pointer;min-height:44px;
  transition:color var(--ease);
}
.btn-text .arrow{transition:transform var(--ease);}
.btn-text:hover{color:var(--brand-900);text-decoration:underline;text-underline-offset:4px;}
.btn-text:hover .arrow{transform:translateX(3px);}

/* ---------- 徽标与标签 ---------- */
.eyebrow{font-size:12px;font-weight:600;letter-spacing:.2em;color:var(--accent);text-transform:uppercase;margin:0 0 12px;}
.badge{display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;background:var(--brand-100);color:var(--brand);font-size:12px;font-weight:600;letter-spacing:.02em;}
.badge-accent{background:var(--accent-100);color:var(--accent-dark);}
.chip{display:inline-flex;align-items:center;padding:7px 14px;border-radius:999px;border:1px solid var(--line-strong);background:#fff;font-size:13px;color:var(--muted);}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(247,245,240,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:box-shadow var(--ease),background var(--ease);}
.site-header.is-scrolled{background:#fff;box-shadow:0 6px 22px rgba(15,51,37,.08);}
.header-inner{display:flex;align-items:center;gap:32px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-size:18px;font-weight:700;letter-spacing:-.01em;text-decoration:none;white-space:nowrap;}
.brand:hover{text-decoration:none;color:var(--brand-900);}
.brand-mark{width:12px;height:12px;border-radius:3px;background:var(--accent);box-shadow:0 0 0 4px var(--accent-100);flex:none;}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:auto;}
.nav-link{position:relative;font-size:14px;letter-spacing:.02em;color:var(--muted);padding:10px 0;text-decoration:none;transition:color var(--ease);}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform var(--ease);border-radius:2px;}
.nav-link:hover{color:var(--text);text-decoration:none;}
.nav-link:hover::after{transform:scaleX(1);background:var(--line-strong);}
.nav-link.is-active{color:var(--brand-900);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);background:var(--brand);}
.header-actions{display:flex;align-items:center;gap:14px;}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line-strong);border-radius:8px;background:#fff;flex-direction:column;justify-content:center;align-items:center;gap:5px;cursor:pointer;}
.nav-toggle span{display:block;width:18px;height:1.6px;background:var(--text);transition:var(--ease);}
.drawer-mask{position:fixed;inset:0;background:rgba(18,23,18,.5);opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease);z-index:80;}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.mobile-drawer{position:fixed;top:0;right:0;bottom:0;width:min(86vw,320px);background:#fff;z-index:90;padding:22px 20px;transform:translateX(100%);transition:transform var(--ease);display:flex;flex-direction:column;overflow-y:auto;}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--line);margin-bottom:8px;}
.drawer-close{width:44px;height:44px;border:0;background:none;font-size:22px;color:var(--muted);cursor:pointer;line-height:1;}
.drawer-link{display:flex;align-items:center;height:56px;font-size:15px;color:var(--text);border-bottom:1px solid var(--line);text-decoration:none;}
.drawer-link.is-active{color:var(--brand);font-weight:600;}
.drawer-cta{margin-top:22px;}

/* ---------- 页面头部 ---------- */
.page-hero{padding:40px 0 72px;position:relative;overflow:hidden;}
.page-hero::before{content:"";position:absolute;right:-140px;top:-120px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle at center,rgba(27,94,67,.10),rgba(27,94,67,0) 68%);pointer-events:none;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:26px;}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:var(--line-strong);}
.breadcrumb .current{color:var(--text);font-weight:600;}
.hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:center;}
.hero-copy h1{font-size:clamp(30px,4.2vw,48px);line-height:1.25;letter-spacing:-.01em;}
.lead{font-size:17px;line-height:1.8;color:var(--muted);max-width:46ch;margin:16px 0 0;}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:22px;margin-top:32px;}
.hero-media{position:relative;}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:12px;box-shadow:var(--shadow-hover);transition:transform 220ms ease-out;}
.hero-media:hover img{transform:scale(1.02);}
.media-badge{position:absolute;left:-14px;bottom:22px;background:var(--brand-900);color:#fff;border-radius:10px;padding:14px 18px;display:flex;align-items:baseline;gap:8px;box-shadow:0 10px 24px rgba(15,51,37,.22);}
.media-badge strong{font-family:"Roboto Condensed",ui-monospace,monospace;font-size:30px;line-height:1;letter-spacing:-.02em;}
.media-badge span{font-size:12px;letter-spacing:.06em;color:rgba(255,255,255,.78);}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head h2{font-size:clamp(24px,2.6vw,34px);margin-bottom:16px;}
.section-sub{font-size:15px;color:var(--muted);line-height:1.85;margin:0;}
.section-tint{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}

/* ---------- 分组卡片 ---------- */
.group-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.group-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);transition:box-shadow var(--ease),transform var(--ease);display:flex;flex-direction:column;}
.group-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.group-card img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform 220ms ease-out;}
.group-card:hover img{transform:scale(1.02);}
.group-body{padding:24px 22px 22px;display:flex;flex-direction:column;flex:1;}
.group-num{font-family:"Roboto Condensed",ui-monospace,monospace;font-size:13px;letter-spacing:.18em;color:var(--accent);font-weight:600;margin-bottom:10px;}
.group-body h3{font-size:19px;margin-bottom:10px;}
.group-body p{font-size:14.5px;color:var(--muted);line-height:1.8;}
.tick-list{margin:16px 0 20px;display:grid;gap:9px;}
.tick-list li{position:relative;padding-left:20px;font-size:14px;color:var(--muted);}
.tick-list li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:2px;background:var(--brand);}
.group-body .btn-text{margin-top:auto;}

/* ---------- FAQ + 对比卡 ---------- */
.faq-layout{display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:start;}
.faq-list{border-top:1px solid var(--line);}
.faq-list .accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent;}
.faq-list .accordion-title{
  position:relative;display:block;padding:20px 46px 20px 20px;font-size:17px;font-weight:600;line-height:1.55;
  color:var(--text);background:transparent;border:0;transition:color var(--ease);
}
.faq-list .accordion-title::before{content:"";position:absolute;left:0;top:26px;width:8px;height:8px;border-radius:2px;background:var(--brand);}
.faq-list .accordion-title::after{content:"+";position:absolute;right:14px;top:50%;transform:translateY(-50%);font-size:20px;font-weight:400;color:var(--faint);line-height:1;}
.faq-list .accordion-item.is-active .accordion-title{color:var(--brand-900);}
.faq-list .accordion-item.is-active .accordion-title::after{content:"−";color:var(--accent);}
.faq-list .accordion-content{padding:0 46px 20px 20px;font-size:15px;line-height:1.85;color:var(--muted);background:transparent;border:0;}
.faq-list .accordion-content a{font-weight:600;}
.compare-col{display:grid;gap:20px;}
.compare-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:24px 22px;box-shadow:var(--shadow-card);transition:box-shadow var(--ease),transform var(--ease);}
.compare-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.compare-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--line);margin-bottom:14px;}
.compare-head h3{font-size:19px;}
.kv{display:grid;gap:0;margin:0 0 16px;}
.kv > div{display:flex;align-items:baseline;justify-content:space-between;gap:16px;padding:9px 0;border-bottom:1px dashed var(--line);}
.kv > div:last-child{border-bottom:0;}
.kv dt{font-size:13.5px;color:var(--muted);font-weight:400;flex:none;}
.kv dd{margin:0;font-size:14.5px;font-weight:600;color:var(--text);text-align:right;}

/* ---------- 数据带 ---------- */
.data-band{background:var(--brand-900);color:#fff;padding:56px 0;position:relative;overflow:hidden;}
.data-band::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.05) 0 1px,transparent 1px 12px);pointer-events:none;}
.data-band .container{position:relative;}
.data-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.data-item{padding:0 26px;border-left:1px solid rgba(255,255,255,.18);}
.data-item:first-child{border-left:0;padding-left:0;}
.data-num{font-family:"Roboto Condensed",ui-monospace,monospace;font-size:clamp(32px,4vw,46px);font-weight:700;line-height:1;letter-spacing:-.02em;color:#fff;}
.data-num em{font-style:normal;color:var(--accent);}
.data-label{margin-top:12px;font-size:13px;letter-spacing:.1em;color:rgba(255,255,255,.72);}

/* ---------- 底部 CTA ---------- */
.cta-band{background:var(--brand-100);border-top:1px solid var(--line);}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;padding:44px 0;}
.cta-inner h2{font-size:clamp(22px,2.2vw,28px);margin-bottom:8px;}
.cta-inner p{font-size:14.5px;color:var(--muted);margin:0;}
.cta-actions{display:flex;flex-wrap:wrap;gap:18px;align-items:center;flex:none;}

/* ---------- 表单弹层 ---------- */
.reveal.modal-card{border-radius:12px;border:0;padding:32px;max-width:540px;box-shadow:0 24px 60px rgba(15,51,37,.24);}
.modal-card h3{font-size:22px;margin-bottom:8px;}
.modal-note{font-size:13px;color:var(--muted);margin:0 0 22px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;font-weight:600;color:var(--text);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;height:46px;padding:0 14px;border:1px solid var(--line-strong);border-radius:6px;background:#fff;
  font-size:14.5px;color:var(--text);font-family:inherit;transition:border-color var(--ease),background var(--ease),box-shadow var(--ease);
}
.field textarea{height:104px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand);background:#FBFDFC;box-shadow:0 0 0 3px rgba(27,94,67,.10);}
.consent{display:flex;align-items:flex-start;gap:10px;margin:6px 0 18px;font-size:14px;color:var(--muted);}
.consent input{width:18px;height:18px;margin-top:3px;flex:none;accent-color:var(--brand);}
.privacy-line{font-size:12.5px;color:var(--faint);margin:14px 0 0;line-height:1.7;}
.form-success{display:none;background:var(--brand-100);border:1px solid rgba(27,94,67,.18);color:var(--brand-900);border-radius:8px;padding:12px 14px;font-size:14px;margin-bottom:16px;}
.form-success.is-visible{display:block;}
.close-button{position:absolute;top:14px;right:14px;width:36px;height:36px;border-radius:50%;border:1px solid var(--line);background:#fff;font-size:20px;line-height:1;color:var(--muted);cursor:pointer;transition:var(--ease);}
.close-button:hover{background:var(--brand-100);color:var(--brand-900);border-color:var(--brand-100);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.78);padding:64px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.14);}
.site-footer .brand{color:#fff;}
.site-footer .brand:hover{color:#fff;}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.68);margin:16px 0 0;max-width:34ch;}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.04em;}
.footer-col ul{display:grid;gap:2px;}
.footer-col li a,.footer-col li span{font-size:14px;line-height:2;color:rgba(255,255,255,.68);text-decoration:none;}
.footer-col li a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.footer-bottom{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;padding-top:20px;font-size:12.5px;color:rgba(255,255,255,.55);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1199px){
  .hero-grid{gap:40px;}
  .faq-layout{gap:28px;}
  .container{padding:0 24px;}
}
@media screen and (max-width:1023px){
  .section{padding:64px 0;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-media{order:-1;}
  .hero-media img{aspect-ratio:16/9;}
  .media-badge{left:14px;bottom:14px;padding:12px 14px;}
  .group-grid{grid-template-columns:repeat(2,1fr);}
  .faq-layout{grid-template-columns:1fr;}
  .data-grid{grid-template-columns:repeat(2,1fr);gap:28px 0;}
  .data-item:nth-child(3){border-left:0;padding-left:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media screen and (max-width:900px){
  .main-nav{display:none;}
  .nav-toggle{display:flex;}
  .header-actions .btn{display:none;}
}
@media screen and (max-width:767px){
  body{font-size:15.5px;line-height:1.8;}
  .container{padding:0 20px;}
  .section{padding:52px 0;}
  .page-hero{padding:26px 0 52px;}
  .section-head{margin-bottom:32px;}
  .group-grid{grid-template-columns:1fr;gap:18px;}
  .chip-row{gap:8px;}
  .chip{font-size:12.5px;padding:6px 12px;}
  .hero-actions{gap:16px;}
  .hero-actions .btn{width:100%;}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:36px 0;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .data-band{padding:44px 0;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .kv > div{flex-direction:column;gap:2px;}
  .kv dd{text-align:left;}
  .reveal.modal-card{padding:24px 20px;}
}
@media screen and (max-width:519px){
  .header-inner{height:60px;gap:12px;}
  .brand{font-size:16px;}
  .data-grid{grid-template-columns:1fr;}
  .data-item{border-left:0;padding:0;}
  .footer-bottom{flex-direction:column;}
}