/* roulang page: index */
:root{
  --green-900:#0F3D2E;
  --green-700:#1E7A5A;
  --lime:#C6F24E;
  --orange:#FF6B2C;
  --paper:#F7F6F2;
  --card:#FFFFFF;
  --dark:#0B1F19;
  --ink:#1A1F1C;
  --ink-2:#5C6660;
  --line:#E4E2DA;
  --weak:#F1F0EA;
  --soft-green:#F4F8F5;
  --radius-card:16px;
  --radius-band:24px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(15,61,46,.06);
  --shadow-2:0 14px 34px -14px rgba(15,61,46,.28);
  --ease:.25s cubic-bezier(.2,.7,.3,1);
  --font-cn:-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"Inter","Barlow Condensed","Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color var(--ease),background var(--ease),border-color var(--ease),transform var(--ease)}
a:hover{color:var(--green-700)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.28;font-weight:700;letter-spacing:-.01em}
h1{font-size:clamp(30px,4.6vw,54px);font-weight:800;line-height:1.18}
h2{font-size:clamp(24px,2.6vw,34px)}
h3{font-size:20px}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
.container-x{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:72px 0}
.section-tight{padding:56px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13.5px;font-weight:600;color:var(--green-700);
  letter-spacing:.04em;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--lime);border-radius:2px}
.section-head{max-width:720px;margin-bottom:38px}
.section-head p{color:var(--ink-2);font-size:16px;margin-top:12px}
.muted{color:var(--ink-2)}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.01em}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(247,246,242,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease),height var(--ease),background var(--ease);
}
.site-header.is-scrolled{box-shadow:0 10px 26px -18px rgba(15,61,46,.45)}
.nav-bar{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  height:76px;
  gap:18px;
  transition:height var(--ease);
}
.site-header.is-scrolled .nav-bar{height:64px}
.nav-side{display:flex;align-items:center;gap:26px}
.nav-side.right{justify-content:flex-end}
.nav-link-x{
  position:relative;
  font-size:15px;font-weight:600;color:var(--ink);
  padding:6px 0;white-space:nowrap;
}
.nav-link-x::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:3px;border-radius:3px;
  background:var(--green-900);transform:scaleX(0);transform-origin:center;
  transition:transform var(--ease);
}
.nav-link-x:hover{color:var(--green-700)}
.nav-link-x:hover::after,.nav-link-x.active::after{transform:scaleX(1)}
.nav-link-x.active{color:var(--green-900)}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:17.5px;font-weight:800;color:var(--green-900);
  letter-spacing:-.01em;white-space:nowrap;
}
.brand:hover{color:var(--green-900)}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:12px;
  background:linear-gradient(140deg,var(--green-900),var(--green-700));
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px -10px rgba(15,61,46,.7);
}
.brand-mark svg{width:20px;height:20px}
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;border:1.5px solid transparent;
  cursor:pointer;transition:all var(--ease);
}
.btn-primary-x{background:var(--lime);color:#12301F}
.btn-primary-x:hover{background:#B8E63D;color:#0F3D2E;transform:translateY(-2px)}
.btn-primary-x:active{transform:translateY(0)}
.btn-ghost-x{background:transparent;color:var(--green-900);border-color:var(--green-900)}
.btn-ghost-x:hover{background:#E8F7EE;color:var(--green-900)}
.btn-sm-x{height:42px;padding:0 20px;font-size:14px}
.nav-cta{height:42px;padding:0 20px;font-size:14.5px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--green-900);position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--green-900);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-bar{display:none}
.mobile-panel{
  display:none;overflow:hidden;background:var(--paper);
  border-bottom:1px solid var(--line);
  max-height:0;transition:max-height var(--ease);
}
.mobile-panel.open{max-height:520px}
.mobile-panel a{
  display:block;padding:0 24px;line-height:52px;font-size:15.5px;font-weight:600;
  border-bottom:1px solid var(--line);color:var(--ink);
}
.mobile-panel a.active{color:var(--green-900);background:#EFF6F1}
.mobile-panel .mobile-cta{padding:16px 24px 22px;border-bottom:none}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:64px 0 72px;
  background:
    radial-gradient(1100px 460px at 88% -10%,rgba(30,122,90,.10),transparent 62%),
    var(--paper);
}
.hero-grid{
  display:grid;grid-template-columns:55fr 45fr;gap:52px;align-items:center;
}
.hero h1{margin-bottom:18px}
.hero h1 em{font-style:normal;color:var(--green-700)}
.hero-sub{font-size:17px;color:var(--ink-2);max-width:560px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.trust-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:18px;
  font-size:14px;color:var(--ink-2);
}
.trust-row span{position:relative;padding-left:18px}
.trust-row span::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:6px;height:6px;border-radius:50%;background:var(--green-700);
}
.hero-visual{position:relative;border-radius:var(--radius-band);overflow:hidden;isolation:isolate}
.hero-visual-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.35;
}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(155deg,rgba(15,61,46,.86),rgba(11,31,25,.72));
  z-index:1;
}
.hero-visual img{position:relative;z-index:2;width:100%;height:auto;border-radius:var(--radius-band)}
.hero-badge{
  position:absolute;z-index:3;left:22px;bottom:22px;
  background:rgba(255,255,255,.94);border-radius:14px;padding:12px 16px;
  display:flex;align-items:center;gap:12px;box-shadow:var(--shadow-1);
}
.hero-badge strong{font-family:var(--font-num);font-size:22px;color:var(--green-900)}
.hero-badge small{display:block;font-size:12.5px;color:var(--ink-2);line-height:1.4}

/* ---------- 通用卡片 ---------- */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.card-x{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:26px 24px;box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  overflow:hidden;
}
.card-x::before{
  content:"";position:absolute;left:0;top:0;width:4px;height:34px;
  background:var(--lime);border-radius:0 4px 4px 0;
}
.card-x:hover{transform:translateY(-5px);box-shadow:var(--shadow-2);border-color:#D5E7DB}
.card-x h3{font-size:19px;margin-bottom:10px}
.card-x p{font-size:15px;color:var(--ink-2);margin:0}
.card-icon{
  width:42px;height:42px;border-radius:12px;background:#EFF6F1;
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.card-icon svg{width:22px;height:22px;stroke:var(--green-700);fill:none;stroke-width:1.6}
.pain-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}

/* ---------- 解决方案 ---------- */
.steps-wrap{border-top:1px solid var(--line)}
.step-row{
  display:grid;grid-template-columns:7fr 5fr;gap:46px;align-items:center;
  padding:44px 0;border-bottom:1px solid var(--line);
}
.step-row.reverse .step-text{order:2}
.step-row.reverse .step-media{order:1}
.step-num{
  font-family:var(--font-num);font-size:64px;line-height:1;font-weight:700;
  color:transparent;-webkit-text-stroke:1.5px rgba(255,107,44,.55);
  margin-bottom:10px;
}
.step-text h3{font-size:23px;margin-bottom:12px}
.step-text p{color:var(--ink-2);font-size:15.5px;margin-bottom:14px}
.step-list li{
  position:relative;padding-left:20px;font-size:15px;color:var(--ink-2);margin-bottom:8px;
}
.step-list li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:2px;
  background:var(--green-700);border-radius:2px;
}
.step-media{border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1)}
.step-media img{width:100%;aspect-ratio:16/10;object-fit:cover}

/* ---------- 成果（深色） ---------- */
.band-dark{
  background:var(--green-900);color:#fff;padding:64px 0;
}
.band-dark h2{color:#fff}
.band-dark .section-head p{color:rgba(255,255,255,.72)}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;margin-top:8px}
.metric strong{
  display:block;font-family:var(--font-num);font-size:clamp(38px,4vw,54px);
  line-height:1.05;font-weight:700;color:#fff;
}
.metric .metric-label{display:block;font-size:15px;font-weight:600;margin-top:12px;color:#fff}
.metric .metric-desc{display:block;font-size:12.5px;color:rgba(255,255,255,.62);margin-top:6px;line-height:1.6}
.metric i{display:block;width:42px;height:2px;background:var(--lime);margin-top:14px;border-radius:2px}

/* ---------- 证言 ---------- */
.quote-card{
  background:var(--soft-green);border-radius:var(--radius-card);padding:30px 26px 26px;
  position:relative;
}
.quote-card::after{
  content:"”";position:absolute;right:20px;top:6px;
  font-family:Georgia,serif;font-size:64px;line-height:1;color:rgba(15,61,46,.12);
}
.quote-card p{font-size:15.5px;color:#22322A;margin-bottom:20px}
.quote-user{display:flex;align-items:center;gap:12px}
.quote-avatar{
  width:48px;height:48px;border-radius:50%;overflow:hidden;flex:0 0 48px;background:#DDE9E0;
}
.quote-avatar img{width:100%;height:100%;object-fit:cover}
.quote-user b{display:block;font-size:15px}
.quote-user small{display:block;font-size:13px;color:var(--ink-2)}
.quote-star{font-family:var(--font-num);font-size:13px;color:var(--orange);font-weight:600;letter-spacing:.08em;margin-top:14px;display:block}

/* ---------- 资讯列表 ---------- */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--green-700);
}
.text-link::after{content:"→";transition:transform var(--ease)}
.text-link:hover::after{transform:translateX(4px)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease);height:100%;
}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-2)}
.news-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--weak)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s cubic-bezier(.2,.7,.3,1)}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.badge-x{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:#FFEDE4;color:#C2480F;font-size:13px;font-weight:600;margin-bottom:12px;align-self:flex-start;
}
.news-body h3{font-size:17.5px;margin-bottom:10px;line-height:1.45}
.news-body h3 a{display:block}
.news-excerpt{
  font-size:14.5px;color:var(--ink-2);margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;display:flex;align-items:center;gap:10px;
  font-size:13px;color:var(--ink-2);
}
.news-meta .num{font-family:var(--font-num)}
.news-empty{
  grid-column:1/-1;background:var(--card);border:1px dashed var(--line);
  border-radius:var(--radius-card);padding:46px 24px;text-align:center;color:var(--ink-2);
}
.news-empty svg{width:38px;height:38px;stroke:var(--green-700);fill:none;stroke-width:1.4;margin:0 auto 14px}
.news-empty a{color:var(--green-700);font-weight:600}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto}
.accordion-x .accordion-item{
  background:transparent;border:0;border-bottom:1px solid var(--line);
}
.accordion-x .accordion-button{
  background:transparent;border:0;box-shadow:none;
  font-size:17px;font-weight:600;color:var(--ink);
  padding:20px 52px 20px 0;position:relative;
}
.accordion-x .accordion-button:not(.collapsed){color:var(--green-900);background:transparent}
.accordion-x .accordion-button:focus{box-shadow:0 0 0 4px rgba(15,61,46,.12);border-radius:10px}
.accordion-x .accordion-button::after{
  position:absolute;right:0;top:50%;transform:translateY(-50%);
  width:32px;height:32px;border-radius:50%;
  border:1.5px solid var(--green-900);
  background-image:none;
  content:"＋";display:flex;align-items:center;justify-content:center;
  font-size:16px;color:var(--green-900);line-height:1;
}
.accordion-x .accordion-button:not(.collapsed)::after{content:"－";background-color:var(--green-900);color:#fff}
.accordion-x .accordion-body{padding:0 6px 22px 0;font-size:15px;color:var(--ink-2);line-height:1.85}

/* ---------- CTA 条带 ---------- */
.cta-band{
  background:linear-gradient(120deg,var(--green-900),#124A38);
  border-radius:var(--radius-band);padding:48px 48px;
  display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;
  position:relative;overflow:hidden;color:#fff;
}
.cta-band::before{
  content:"";position:absolute;right:-60px;top:-70px;width:280px;height:280px;
  border-radius:50%;border:1px solid rgba(198,242,78,.35);
}
.cta-band::after{
  content:"";position:absolute;right:20px;bottom:-90px;width:220px;height:220px;
  border-radius:50%;border:1px solid rgba(198,242,78,.18);
}
.cta-band h2{color:#fff;margin-bottom:10px;position:relative;z-index:1}
.cta-band p{color:rgba(255,255,255,.76);margin:0;position:relative;z-index:1;font-size:15.5px}
.cta-band .cta-actions{position:relative;z-index:1}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:60px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px}
.footer-brand .brand{color:#fff}
.footer-brand .brand-mark{background:linear-gradient(140deg,#1E7A5A,#0F3D2E)}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.6);margin:16px 0 0;max-width:280px}
.footer-col h4{font-size:15px;font-weight:600;color:rgba(255,255,255,.6);margin-bottom:16px}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);display:inline-block}
.footer-col a:hover{color:var(--lime);transform:translateX(2px)}
.footer-sub p{font-size:14px;color:rgba(255,255,255,.6);margin-bottom:14px}
.sub-group{display:flex;gap:10px}
.sub-group input{
  flex:1;height:48px;border-radius:var(--radius-btn);
  border:1px solid #274A3F;background:#122A22;color:#fff;
  padding:0 14px;font-size:14.5px;outline:none;transition:border-color var(--ease),box-shadow var(--ease);
}
.sub-group input::placeholder{color:rgba(255,255,255,.4)}
.sub-group input:focus{border-color:var(--lime);box-shadow:0 0 0 4px rgba(198,242,78,.15)}
.footer-contact{font-size:14px;color:rgba(255,255,255,.6);margin-top:16px;line-height:1.9}
.footer-bottom{
  margin-top:48px;border-top:1px solid #1C3A31;padding:20px 0;
  text-align:center;font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.6)}
.footer-bottom a:hover{color:var(--lime)}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .metrics{grid-template-columns:repeat(2,1fr);gap:32px}
}
@media (max-width:991px){
  .nav-side{display:none}
  .nav-bar{grid-template-columns:44px 1fr 44px;height:66px}
  .mobile-bar{display:flex;align-items:center;justify-content:flex-start}
  .mobile-bar .brand{justify-content:center}
  .mobile-cta-icon{
    display:flex;align-items:center;justify-content:center;width:44px;height:44px;
    border-radius:12px;border:1px solid var(--line);background:#fff;
  }
  .mobile-cta-icon svg{width:20px;height:20px;stroke:var(--green-900);fill:none;stroke-width:1.7}
  .nav-toggle{display:flex}
  .mobile-panel{display:block}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-visual{order:2}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .step-row{grid-template-columns:1fr;gap:24px;padding:34px 0}
  .step-row.reverse .step-text{order:1}
  .step-row.reverse .step-media{order:2}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .cta-band{grid-template-columns:1fr;padding:38px 30px}
  .section{padding:56px 0}
}
@media (max-width:575px){
  .container-x{padding:0 16px}
  body{font-size:16px}
  .grid-4,.grid-3,.grid-2{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .metrics{grid-template-columns:1fr;gap:26px}
  .footer-grid{grid-template-columns:1fr}
  .hero{padding:38px 0 48px}
  .hero-actions .btn-x{width:100%}
  .cta-band{padding:30px 22px}
  .cta-band .btn-x{width:100%}
  .subscribe-form .sub-group{flex-direction:column}
  .sub-group{flex-direction:column}
  .brand{font-size:16px}
}

/* roulang page: article */
:root{
  --green-900:#0F3D2E;
  --green-700:#1E7A5A;
  --lime:#C6F24E;
  --orange:#FF6B2C;
  --bg:#F7F6F2;
  --card:#FFFFFF;
  --dark:#0B1F19;
  --text:#1A1F1C;
  --muted:#5C6660;
  --line:#E4E2DA;
  --weak:#F1F0EA;
  --soft-green:#F4F8F5;
  --r-card:16px;
  --r-lg:24px;
  --r-btn:10px;
  --shadow-1:0 1px 2px rgba(15,61,46,.06);
  --shadow-2:0 14px 34px -14px rgba(15,61,46,.28);
  --ease:.25s cubic-bezier(.2,.7,.3,1);
  --font-cn:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"Inter","Barlow Condensed","SFMono-Regular",Consolas,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-cn);font-size:16px;line-height:1.8;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color var(--ease),background var(--ease),transform var(--ease)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.3;letter-spacing:-.01em}
p{margin:0}
button{font-family:inherit}
input,button,textarea{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--green-700);outline-offset:2px;box-shadow:0 0 0 4px rgba(15,61,46,.15);border-radius:6px}
.container-x{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
.section{padding:72px 0}
.section-tight{padding:48px 0}

/* ============ 按钮 / 徽章 ============ */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;border:1.5px solid transparent;
  cursor:pointer;white-space:nowrap;transition:all var(--ease);
}
.btn-primary-x{background:var(--lime);color:var(--green-900)}
.btn-primary-x:hover{background:#b6e63c;color:var(--green-900);transform:translateY(-2px)}
.btn-primary-x:active{transform:translateY(0)}
.btn-ghost-x{background:transparent;border-color:var(--green-900);color:var(--green-900)}
.btn-ghost-x:hover{background:#E8F7EE}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);color:#fff}
.btn-sm-x{height:42px;padding:0 18px;font-size:14px}
.badge-x{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:999px;font-size:13px;font-weight:600;letter-spacing:.01em;
}
.badge-orange{background:rgba(255,107,44,.14);color:#B8440F}
.badge-lime{background:rgba(198,242,78,.22);color:#28401A}
.badge-soft{background:rgba(255,255,255,.14);color:#EAF6EF}
.tag-x{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;
  background:var(--weak);border-radius:999px;font-size:13px;color:var(--muted);
  transition:all var(--ease);
}
.tag-x:hover{background:#E5E3DA;color:var(--green-900)}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--green-700);font-size:15px}
.link-arrow svg{transition:transform var(--ease)}
.link-arrow:hover{color:var(--green-900)}
.link-arrow:hover svg{transform:translateX(4px)}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(247,246,242,.94);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease),background var(--ease);
}
.site-header.scrolled{box-shadow:0 8px 26px -18px rgba(15,61,46,.45)}
.nav-bar{position:relative;display:flex;align-items:center;justify-content:space-between;gap:20px;height:76px;transition:height var(--ease)}
.site-header.scrolled .nav-bar{height:64px}
.nav-side{display:flex;align-items:center;gap:24px}
.nav-side.left{flex:1;justify-content:flex-start}
.nav-side.right{flex:1;justify-content:flex-end}
.nav-link-x{
  position:relative;font-size:15px;font-weight:600;color:var(--text);
  padding:6px 0;white-space:nowrap;
}
.nav-link-x::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;border-radius:3px;
  background:var(--green-900);transform:scaleX(0);transform-origin:left;
  transition:transform var(--ease);
}
.nav-link-x:hover{color:var(--green-700)}
.nav-link-x:hover::after{transform:scaleX(1)}
.nav-link-x.active{color:var(--green-900)}
.nav-link-x.active::after{transform:scaleX(1);background:var(--green-900)}
.nav-cta{height:44px;padding:0 20px;font-size:14px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:800;color:var(--green-900);letter-spacing:-.02em}
.brand-mark{
  width:34px;height:34px;border-radius:11px;background:var(--green-900);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.brand-mark svg{width:20px;height:20px}
.mobile-bar,.mobile-cta-icon{display:none}
.nav-toggle{
  width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";display:block;width:18px;height:2px;border-radius:2px;background:var(--green-900);
  position:relative;transition:transform var(--ease),opacity var(--ease);
}
.nav-toggle span::before{position:absolute;top:-6px}
.nav-toggle span::after{position:absolute;top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg)}
.mobile-cta-icon{
  width:44px;height:44px;border-radius:12px;background:var(--green-900);
  align-items:center;justify-content:center;
}
.mobile-cta-icon svg{width:20px;height:20px;fill:none;stroke:var(--lime);stroke-width:2}
.mobile-panel{
  display:none;overflow:hidden;max-height:0;background:#fff;border-bottom:1px solid var(--line);
  transition:max-height .3s ease;
}
.mobile-panel.open{max-height:520px}
.mobile-panel a{
  display:block;padding:15px 24px;font-size:15px;font-weight:600;
  border-bottom:1px solid var(--line);color:var(--text);
}
.mobile-panel a.active{color:var(--green-900);background:var(--soft-green)}
.mobile-panel .mobile-cta{padding:16px 24px 20px}

/* ============ 文章头部深色带 ============ */
.article-hero{
  position:relative;color:#fff;padding:34px 0 72px;
  background:
    linear-gradient(140deg,rgba(15,61,46,.96),rgba(11,31,25,.94)),
    url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  border-radius:0 0 var(--r-lg) var(--r-lg);
  overflow:hidden;
}
.article-hero::after{
  content:"";position:absolute;right:-60px;top:-70px;width:340px;height:340px;
  border:2px dashed rgba(198,242,78,.28);border-radius:50%;pointer-events:none;
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.72);margin-bottom:22px}
.crumb a{color:rgba(255,255,255,.72)}
.crumb a:hover{color:var(--lime)}
.crumb .sep{opacity:.5}
.crumb .cur{
  color:#fff;max-width:58%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.article-hero h1{
  font-size:clamp(23px,3.1vw,34px);line-height:1.35;font-weight:800;
  max-width:900px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:20px;font-size:14px;color:rgba(255,255,255,.78)}
.article-meta .num{font-family:var(--font-num);font-weight:600;letter-spacing:.02em}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.4)}

/* ============ 正文卡片 ============ */
.article-shell{padding:0 0 72px}
.article-card{
  max-width:880px;margin:-44px auto 0;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-2);padding:48px 52px 44px;position:relative;z-index:2;
}
.article-card::before{
  content:"";position:absolute;left:52px;top:0;width:56px;height:4px;
  border-radius:0 0 4px 4px;background:var(--lime);
}
.article-body{font-size:17px;line-height:1.9;color:var(--text);word-break:break-word}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  position:relative;font-size:24px;font-weight:700;margin:42px 0 16px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;width:4px;height:1em;border-radius:2px;background:var(--lime);
}
.article-body h3{font-size:20px;font-weight:600;margin:30px 0 12px}
.article-body h4{font-size:17px;font-weight:700;margin:22px 0 10px}
.article-body ul{margin:0 0 1.2em;padding-left:4px}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:.55em}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--green-700);
}
.article-body ol{margin:0 0 1.2em;padding-left:22px;list-style:decimal}
.article-body ol li{margin-bottom:.55em}
.article-body ol li::marker{color:var(--orange);font-weight:700;font-family:var(--font-num)}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;background:var(--soft-green);
  border-left:4px solid var(--green-900);border-radius:0 12px 12px 0;
  font-size:15px;color:#3B4A44;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:12px;margin:26px auto 10px;height:auto}
.article-body figure{margin:26px 0}
.article-body figure img{margin-bottom:10px}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center}
.article-body a{color:var(--green-700);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--green-900)}
.article-body strong{font-weight:700}
.article-body hr{border:0;border-top:1px solid var(--line);margin:34px 0}
.article-body table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 14px;text-align:left}
.article-body th{background:var(--weak);font-weight:600}
.article-body code{background:var(--weak);padding:2px 6px;border-radius:6px;font-size:14px;font-family:var(--font-num)}
.article-empty{padding:24px 0;text-align:center}
.article-empty .mark{
  width:64px;height:64px;margin:0 auto 18px;border-radius:20px;background:var(--weak);
  display:flex;align-items:center;justify-content:center;
}
.article-empty h2{font-size:20px;margin-bottom:10px}
.article-empty p{color:var(--muted);font-size:15px;margin-bottom:22px}
.article-foot{
  margin-top:44px;padding-top:26px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
}
.tag-list{display:flex;flex-wrap:wrap;gap:10px}

/* ============ 相关推荐 ============ */
.block-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:30px}
.block-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:700}
.block-head p{margin-top:10px;font-size:15px;color:var(--muted)}
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.news-card{
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow-1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#DDE4DE}
.news-card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--weak)}
.news-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.2,.7,.3,1)}
.news-card:hover .thumb img{transform:scale(1.03)}
.news-card .body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-card h3{font-size:17px;font-weight:700;line-height:1.5}
.news-card .desc{
  font-size:14px;color:var(--muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card .time{font-size:13px;color:var(--muted);font-family:var(--font-num)}
.news-card .more{margin-top:auto;font-size:14px;font-weight:600;color:var(--green-700)}

/* ============ CTA 条带 ============ */
.cta-band{
  position:relative;overflow:hidden;background:var(--green-900);color:#fff;
  border-radius:var(--r-lg);padding:46px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
}
.cta-band::after{
  content:"";position:absolute;right:-70px;bottom:-90px;width:300px;height:300px;
  border:2px dashed rgba(198,242,78,.26);border-radius:50%;
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);color:#fff;max-width:620px}
.cta-band p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.76);max-width:560px}
.cta-band .actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:#fff;margin-top:72px;padding:60px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.4fr;gap:40px}
.footer-brand .brand{color:#fff;font-size:18px}
.footer-brand p{margin-top:16px;font-size:14px;color:rgba(255,255,255,.6);line-height:1.8;max-width:270px}
.footer-col h4{font-size:15px;font-weight:600;color:rgba(255,255,255,.62);margin-bottom:16px}
.footer-col ul li{margin-bottom:11px}
.footer-col ul li a{font-size:14px;color:#B9C4BE;display:inline-block;transition:all var(--ease)}
.footer-col ul li a:hover{color:var(--lime);transform:translateX(2px)}
.footer-sub p{font-size:14px;color:rgba(255,255,255,.6);margin-bottom:14px}
.sub-group{display:flex;gap:10px;flex-wrap:wrap}
.sub-group input{
  flex:1;min-width:150px;height:48px;border-radius:var(--r-btn);
  border:1px solid #294A40;background:#0F2A22;color:#fff;padding:0 14px;font-size:14px;
}
.sub-group input::placeholder{color:rgba(255,255,255,.42)}
.sub-group input:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 3px rgba(198,242,78,.18)}
.footer-contact{margin-top:16px;font-size:13px;color:rgba(255,255,255,.5);line-height:1.9}
.footer-bottom{
  margin-top:50px;border-top:1px solid #1C3A31;padding:20px 0;
  text-align:center;font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .nav-side{gap:18px}
  .nav-link-x{font-size:14px}
}
@media (max-width:991px){
  .container-x{padding:0 16px}
  .nav-side,.nav-cta{display:none}
  .nav-bar{justify-content:center;height:64px}
  .mobile-bar{display:block;position:absolute;left:0;top:50%;transform:translateY(-50%)}
  .mobile-cta-icon{display:inline-flex;position:absolute;right:0;top:50%;transform:translateY(-50%)}
  .mobile-panel{display:block}
  .brand{font-size:17px}
  .article-hero{padding:26px 0 60px;border-radius:0 0 18px 18px}
  .article-card{margin:-36px auto 0;padding:32px 24px 30px}
  .article-card::before{left:24px;width:44px}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-band{flex-direction:column;align-items:flex-start;padding:34px 28px;gap:24px}
  .cta-band .actions{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:54px 0}
}
@media (max-width:575px){
  body{font-size:15px}
  .article-body{font-size:16px;line-height:1.85}
  .article-body h2{font-size:21px}
  .article-body h3{font-size:18px}
  .article-hero h1{font-size:22px}
  .crumb .cur{max-width:100%}
  .news-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .cta-band .actions .btn-x{width:100%}
  .article-foot{flex-direction:column;align-items:flex-start}
}

/* roulang page: category1 */
:root{
  --green-900:#0B1F19;
  --green-800:#0F3D2E;
  --green-600:#1E7A5A;
  --lime:#C6F24E;
  --lime-dark:#B8E63C;
  --orange:#FF6B2C;
  --orange-soft:#FFF0E8;
  --bg:#F7F6F2;
  --card:#FFFFFF;
  --text:#1A1F1C;
  --muted:#5C6660;
  --line:#E4E2DA;
  --soft:#F1F0EA;
  --soft-green:#F4F8F5;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --shadow:0 1px 2px rgba(15,61,46,.06);
  --shadow-hover:0 14px 34px -14px rgba(15,61,46,.28);
  --ease:.25s cubic-bezier(.2,.7,.3,1);
  --font-cn:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"Inter","Barlow 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;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--ease),background var(--ease),transform var(--ease);}
a:hover{color:var(--green-600);}
button,input{font-family:inherit;font-size:inherit;}
button{cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--green-600);outline-offset:2px;box-shadow:0 0 0 4px rgba(30,122,90,.15);}

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

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,246,242,.94);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease);
}
.site-header.scrolled{box-shadow:0 14px 30px -22px rgba(11,31,25,.45);}
.nav-bar{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:18px;
  height:76px;transition:height var(--ease);
}
.site-header.scrolled .nav-bar{height:64px;}
.nav-side{display:flex;align-items:center;gap:4px;}
.nav-side.right{justify-content:flex-end;}
.nav-link-x{
  position:relative;padding:8px 10px;border-radius:8px;
  font-size:15px;font-weight:600;color:var(--text);white-space:nowrap;
}
.nav-link-x:hover{color:var(--green-600);background:#EDF6F1;}
.nav-link-x.active{color:var(--green-800);}
.nav-link-x.active::after{
  content:"";position:absolute;left:10px;right:10px;bottom:-2px;height:3px;
  border-radius:3px;background:var(--green-800);
}
.brand{
  display:inline-flex;align-items:center;gap:9px;
  font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--green-800);white-space:nowrap;
}
.brand:hover{color:var(--green-800);}
.brand-mark{
  width:30px;height:30px;border-radius:9px;background:var(--green-800);
  display:grid;place-items:center;flex:0 0 auto;
}
.brand-mark svg{width:19px;height:19px;}
.nav-bar .brand{justify-self:center;}

.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border:0;border-radius:var(--r-sm);
  font-size:15px;font-weight:700;line-height:1;
  transition:transform var(--ease),background var(--ease),box-shadow var(--ease),color var(--ease),border-color var(--ease);
}
.btn-primary-x{background:var(--lime);color:var(--green-800);box-shadow:0 10px 22px -14px rgba(15,61,46,.6);}
.btn-primary-x:hover{background:var(--lime-dark);color:var(--green-800);transform:translateY(-2px);}
.btn-primary-x:active{transform:translateY(0);}
.btn-ghost-x{background:transparent;border:1.5px solid var(--green-800);color:var(--green-800);}
.btn-ghost-x:hover{background:#E8F7EE;color:var(--green-800);}
.btn-sm-x{height:44px;padding:0 18px;font-size:14px;}
.nav-cta{height:40px;padding:0 18px;font-size:14px;border-radius:var(--r-sm);}

.mobile-bar,.mobile-cta-icon{display:none;}
.nav-toggle{
  width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;
  display:grid;place-items:center;padding:0;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--green-800);position:relative;border-radius:2px;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--green-800);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.mobile-cta-icon{
  align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;
  background:var(--lime);color:var(--green-800);
}
.mobile-cta-icon svg{width:20px;height:20px;stroke:var(--green-800);stroke-width:2;fill:none;}

.mobile-panel{display:none;background:#fff;border-top:1px solid var(--line);}
.mobile-panel.open{display:block;}
.mobile-panel > a{
  display:block;padding:0 24px;line-height:52px;border-bottom:1px solid var(--line);
  font-size:15px;font-weight:600;color:var(--text);
}
.mobile-panel > a.active{color:var(--green-800);background:var(--soft-green);}
.mobile-panel .mobile-cta{padding:16px 24px 20px;background:#fff;}
.mobile-panel .mobile-cta a{border-bottom:0;line-height:1;padding:0 26px;}

/* ---------- 分类页头 ---------- */
.cat-hero{position:relative;overflow:hidden;background:var(--green-800);padding:66px 0 60px;color:#fff;}
.cat-hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;opacity:.5;
}
.cat-hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(11,31,25,.93) 0%,rgba(15,61,46,.86) 52%,rgba(15,61,46,.72) 100%);
}
.cat-hero .container-x{position:relative;z-index:2;}
.breadcrumb-x{font-size:14px;color:rgba(255,255,255,.68);margin-bottom:18px;}
.breadcrumb-x a{color:rgba(255,255,255,.68);}
.breadcrumb-x a:hover{color:var(--lime);}
.breadcrumb-x .sep{margin:0 8px;opacity:.6;}
.cat-hero h1{
  font-size:clamp(28px,4vw,46px);line-height:1.2;font-weight:800;letter-spacing:-.01em;
  max-width:840px;
}
.cat-lead{
  margin-top:18px;max-width:720px;font-size:17px;line-height:1.85;color:rgba(255,255,255,.84);
}
.cat-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:0;margin-top:26px;
  font-size:14px;color:rgba(255,255,255,.82);
}
.cat-meta li{display:flex;align-items:center;}
.cat-meta li + li::before{content:"";width:1px;height:14px;background:rgba(255,255,255,.28);margin:0 16px;}
.hero-badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--orange);color:#fff;font-size:13px;font-weight:600;margin-bottom:16px;
}

/* ---------- 通用板块 ---------- */
.section{padding:72px 0;}
.section-head{max-width:760px;margin-bottom:38px;}
.section-head .eyebrow{
  display:inline-block;font-family:var(--font-num);font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--orange);text-transform:uppercase;margin-bottom:12px;
}
.section-head h2{
  font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:700;letter-spacing:-.01em;
}
.section-head p{margin-top:14px;color:var(--muted);font-size:16px;line-height:1.85;}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}

/* ---------- 图文栅格卡片 ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;}
.img-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  box-shadow:var(--shadow);display:flex;flex-direction:column;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.img-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#D6E6DD;}
.thumb{position:relative;aspect-ratio:16/10;background:var(--soft);overflow:hidden;}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s cubic-bezier(.2,.7,.3,1);}
.img-card:hover .thumb img{transform:scale(1.02);}
.thumb::after{
  content:"";position:absolute;inset:0;background:rgba(15,61,46,.16);
  transition:background var(--ease);
}
.img-card:hover .thumb::after{background:rgba(15,61,46,.05);}
.thumb-tag{
  position:absolute;left:14px;top:14px;z-index:2;
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--orange-soft);color:#B8451A;font-size:13px;font-weight:600;
}
.card-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:20px;font-weight:600;line-height:1.45;letter-spacing:-.01em;}
.card-body p{font-size:15px;line-height:1.8;color:var(--muted);}
.card-line{
  position:relative;padding-left:14px;
}
.card-line::before{
  content:"";position:absolute;left:0;top:6px;width:4px;height:18px;border-radius:2px;background:var(--lime);
}
.section-foot{margin-top:34px;padding-top:26px;border-top:1px solid var(--line);}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:700;color:var(--green-800);
}
.text-link svg{width:16px;height:16px;stroke:var(--green-800);stroke-width:2.2;fill:none;transition:transform var(--ease);}
.text-link:hover svg{transform:translateX(4px);}

/* ---------- 深色数据条带 ---------- */
.stats-band{background:var(--green-800);color:#fff;padding:64px 0;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;}
.stat-num{
  font-family:var(--font-num);font-size:clamp(34px,4.2vw,52px);font-weight:700;line-height:1;
  letter-spacing:-.02em;color:#fff;
}
.stat-num em{font-style:normal;font-size:.48em;margin-left:4px;color:rgba(255,255,255,.6);}
.stat-num::after{
  content:"";display:block;width:36px;height:2px;border-radius:2px;background:var(--lime);margin-top:14px;
}
.stat-label{margin-top:14px;font-size:14px;font-weight:600;color:rgba(255,255,255,.92);}
.stat-desc{margin-top:6px;font-size:12px;line-height:1.7;color:rgba(255,255,255,.58);}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:12px;overflow:hidden;transition:box-shadow var(--ease),border-color var(--ease);
}
.faq-item:hover{border-color:#D6E6DD;box-shadow:var(--shadow);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:17px;font-weight:600;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";flex:0 0 auto;width:32px;height:32px;border:1px solid var(--green-600);border-radius:50%;
  color:var(--green-600);display:grid;place-items:center;font-size:17px;line-height:1;
  transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.faq-item[open] summary::after{content:"−";background:var(--green-800);border-color:var(--green-800);color:#fff;}
.faq-body{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--muted);}

/* ---------- CTA 条带 ---------- */
.cta-wrap{padding:0 0 80px;}
.cta-band{
  position:relative;overflow:hidden;background:var(--green-800);border-radius:var(--r-lg);
  padding:46px 48px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.35;}
.cta-band p{margin-top:12px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.78);max-width:560px;}
.cta-deco{
  position:absolute;right:-40px;top:-30px;width:320px;height:220px;opacity:.18;pointer-events:none;
}
.cta-band .btn-x{position:relative;z-index:2;flex:0 0 auto;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--green-900);color:#C8D3CD;padding:56px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.5fr;gap:40px;}
.footer-brand .brand{color:#fff;font-size:17px;}
.footer-brand .brand:hover{color:#fff;}
.footer-brand p{margin-top:14px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);max-width:280px;}
.footer-col h4{font-size:15px;font-weight:600;color:rgba(255,255,255,.6);margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{font-size:14px;color:#C8D3CD;display:inline-block;}
.footer-col ul a:hover{color:var(--lime);transform:translateX(2px);}
.footer-sub p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);margin-bottom:14px;}
.sub-group{display:flex;gap:10px;flex-wrap:wrap;}
.sub-group input{
  flex:1 1 160px;height:48px;padding:0 14px;border-radius:var(--r-sm);
  border:1px solid #1C3A31;background:#0F2A22;color:#fff;font-size:14px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.sub-group input::placeholder{color:rgba(255,255,255,.38);}
.sub-group input:focus{outline:none;border-color:var(--green-600);box-shadow:0 0 0 3px rgba(30,122,90,.28);}
.footer-contact{margin-top:14px;font-size:13px;line-height:1.9;color:rgba(255,255,255,.5);}
.footer-bottom{
  margin-top:48px;border-top:1px solid #1C3A31;padding:22px 0;text-align:center;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .55s var(--ease),transform .55s var(--ease);}
.reveal.in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav-link-x{font-size:14px;padding:8px 8px;}
}
@media (max-width:991px){
  .nav-side{display:none;}
  .nav-bar{grid-template-columns:auto 1fr auto;height:64px;gap:12px;}
  .mobile-bar{display:block;}
  .mobile-cta-icon{display:inline-flex;justify-self:end;}
  .nav-bar .brand{justify-self:center;font-size:16px;}
  .section{padding:56px 0;}
  .cat-hero{padding:48px 0 44px;}
  .grid-2{grid-template-columns:1fr;gap:20px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 30px;}
  .cta-band .btn-x{width:100%;}
}
@media (max-width:767px){
  .container-x{padding:0 16px;}
  .section{padding:44px 0;}
  .cat-meta{flex-direction:column;align-items:flex-start;gap:8px;}
  .cat-meta li + li::before{display:none;}
  .stats-grid{grid-template-columns:1fr 1fr;gap:22px;}
  .stat-desc{font-size:12px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .stats-band{padding:48px 0;}
  .cta-wrap{padding-bottom:56px;}
  .faq-item summary{font-size:16px;padding:16px 18px;}
  .faq-body{padding:0 18px 18px;}
  .card-body{padding:18px 18px 20px;}
}
@media (max-width:520px){
  .brand span:last-child{font-size:15px;}
  .stats-grid{grid-template-columns:1fr;}
  .cat-hero h1{font-size:26px;}
  .sub-group{flex-direction:column;}
  .sub-group .btn-x{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category2 */
:root{
  --c-deep:#0F3D2E;
  --c-deep-2:#0B1F19;
  --c-green:#1E7A5A;
  --c-lime:#C6F24E;
  --c-orange:#FF6B2C;
  --bg:#F7F6F2;
  --card:#FFFFFF;
  --soft:#F1F0EA;
  --ink:#1A1F1C;
  --ink-2:#5C6660;
  --line:#E4E2DA;
  --r-card:16px;
  --r-block:24px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(15,61,46,.06);
  --sh-2:0 14px 34px -14px rgba(15,61,46,.28);
  --ease:.25s cubic-bezier(.2,.7,.3,1);
  --font-cn:-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --font-num:Inter,"Barlow Condensed","SFMono-Regular",Menlo,monospace;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:var(--ease)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em}
p{margin:0}
ul{list-style:none;margin:0;padding:0}
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--c-deep);
  outline-offset:2px;
  box-shadow:0 0 0 4px rgba(15,61,46,.15);
  border-radius:8px;
}
.container-x{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
.section{padding:72px 0}
.section-white{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-dark{background:var(--c-deep);color:#fff;padding:72px 0}
.section-head{max-width:760px;margin-bottom:42px}
.section-head h2{
  font-size:clamp(24px,3vw,34px);
  font-weight:700;
  line-height:1.32;
  color:var(--c-deep);
}
.section-head h2::after{
  content:"";display:block;width:42px;height:4px;border-radius:2px;
  background:var(--c-green);margin-top:16px;
}
.section-head p{margin-top:16px;font-size:16px;color:var(--ink-2);line-height:1.88}
.section-dark .section-head h2{color:#fff}
.section-dark .section-head h2::after{background:var(--c-lime)}
.section-dark .section-head p{color:rgba(255,255,255,.72)}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(247,246,242,.94);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease);
}
.site-header.scrolled{box-shadow:0 10px 30px -22px rgba(15,61,46,.55)}
.nav-bar{
  position:relative;
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:20px;
  height:76px;
  transition:height var(--ease);
}
.site-header.scrolled .nav-bar{height:64px}
.nav-side{display:flex;align-items:center;gap:26px}
.nav-side.right{justify-content:flex-end}
.nav-link-x{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--ink-2);
  padding:6px 0;
  white-space:nowrap;
}
.nav-link-x:hover{color:var(--c-deep)}
.nav-link-x.active{color:var(--c-deep);font-weight:700}
.nav-link-x.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:3px;border-radius:3px;
  background:var(--c-deep);
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:800;color:var(--c-deep);
  white-space:nowrap;
}
.brand-mark{
  width:34px;height:34px;border-radius:11px;background:var(--c-deep);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.brand-mark svg{width:20px;height:20px;display:block}

/* ============ 按钮 ============ */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;border:1.5px solid transparent;
  cursor:pointer;transition:var(--ease);
}
.btn-primary-x{background:var(--c-lime);color:#0B1F19;border-color:var(--c-lime)}
.btn-primary-x:hover{background:#B8E63F;color:#0B1F19;transform:translateY(-2px);box-shadow:0 12px 26px -14px rgba(15,61,46,.5)}
.btn-primary-x:active{transform:translateY(0)}
.btn-ghost-x{background:transparent;border-color:var(--c-deep);color:var(--c-deep)}
.btn-ghost-x:hover{background:#E8F7EE}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.5);color:#fff}
.btn-ghost-light:hover{background:rgba(255,255,255,.12)}
.btn-sm-x{height:44px;padding:0 18px;font-size:14px}
.nav-cta{height:42px;padding:0 20px;font-size:14px}
.text-link-x{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--c-green);
}
.text-link-x::after{content:"→";transition:transform var(--ease)}
.text-link-x:hover{color:var(--c-deep)}
.text-link-x:hover::after{transform:translateX(4px)}

/* ============ 移动端导航 ============ */
.mobile-bar,.mobile-cta-icon{display:none}
.nav-toggle{
  width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;padding:0;
}
.nav-toggle span{position:relative;display:block;width:18px;height:2px;border-radius:2px;background:var(--c-deep)}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--c-deep);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-panel{
  display:none;position:absolute;left:0;right:0;top:100%;
  background:#fff;border-bottom:1px solid var(--line);
  box-shadow:0 26px 44px -26px rgba(15,61,46,.45);
  padding:6px 16px 18px;
}
.mobile-panel.open{display:block}
.mobile-panel a{
  display:block;line-height:52px;font-size:15px;color:var(--ink-2);
  border-bottom:1px solid var(--line);
}
.mobile-panel a.active{color:var(--c-deep);font-weight:700}
.mobile-panel .mobile-cta{padding-top:16px}
.mobile-panel .mobile-cta a{border-bottom:0;line-height:normal}

@media (max-width:991.98px){
  .nav-side{display:none}
  .nav-bar{grid-template-columns:44px 1fr 44px;height:66px}
  .brand{justify-self:center;font-size:17px}
  .brand-mark{width:30px;height:30px;border-radius:10px}
  .mobile-bar{display:block}
  .mobile-cta-icon{
    display:inline-flex;justify-self:end;align-items:center;justify-content:center;
    width:44px;height:44px;border-radius:12px;background:var(--c-deep);
  }
  .mobile-cta-icon svg{width:20px;height:20px;stroke:var(--c-lime);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
}
@media (max-width:767.98px){
  .container-x{padding:0 16px}
  .section,.section-dark{padding:48px 0}
  .section-head{margin-bottom:32px}
}

/* ============ 页头区 ============ */
.page-hero{
  position:relative;
  color:#fff;
  padding:56px 0 68px;
  background:
    linear-gradient(rgba(15,61,46,.88),rgba(15,61,46,.88)),
    url("/assets/images/backpic/back-2.png") center/cover no-repeat,
    var(--c-deep);
}
.page-hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:1px;background:rgba(255,255,255,.12);
}
.breadcrumb-x{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;color:rgba(255,255,255,.68);margin-bottom:22px;
}
.breadcrumb-x a:hover{color:var(--c-lime)}
.breadcrumb-x .sep{color:rgba(255,255,255,.4)}
.page-hero h1{
  font-size:clamp(28px,4.2vw,46px);
  font-weight:800;
  line-height:1.2;
  letter-spacing:-.01em;
  max-width:900px;
}
.page-hero h1 em{font-style:normal;color:var(--c-lime)}
.page-hero .hero-lead{
  margin-top:20px;max-width:720px;
  font-size:16.5px;line-height:1.9;color:rgba(255,255,255,.86);
}
.hero-tags{
  display:flex;flex-wrap:wrap;align-items:center;gap:18px;
  margin-top:30px;font-size:14px;color:rgba(255,255,255,.9);
}
.hero-tags span{
  display:inline-flex;align-items:center;gap:8px;
  padding-left:18px;border-left:1px solid rgba(255,255,255,.24);
}
.hero-tags span:first-child{padding-left:0;border-left:0}
.hero-tags strong{font-family:var(--font-num);color:var(--c-lime);font-size:15px}

/* ============ 卡片与网格 ============ */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
@media (max-width:991.98px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:575.98px){
  .grid-4,.grid-3,.grid-2{grid-template-columns:1fr}
}
.card-x{
  position:relative;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:28px 26px;
  box-shadow:var(--sh-1);
  transition:var(--ease);
  overflow:hidden;
}
.card-x::before{
  content:"";position:absolute;left:0;top:26px;width:4px;height:40px;
  border-radius:0 4px 4px 0;background:var(--c-lime);
}
.card-x:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D6E3DA}
.card-x h3{font-size:19px;font-weight:700;color:var(--c-deep);margin-bottom:12px}
.card-x p{font-size:15px;color:var(--ink-2);line-height:1.85}
.icon-x{
  width:46px;height:46px;border-radius:13px;background:#EDF6F0;
  display:inline-flex;align-items:center;justify-content:center;margin-bottom:18px;
}
.icon-x svg{width:22px;height:22px;fill:none;stroke:var(--c-green);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* ============ 时间线 ============ */
.timeline{position:relative;margin-top:6px}
.tl-item{
  position:relative;
  display:grid;
  grid-template-columns:20% 1fr;
  padding-bottom:46px;
}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:calc(20% - 22px);top:0;bottom:0;width:2px;
  background:var(--line);
}
.tl-item:first-child::before{top:26px}
.tl-item:last-child::before{bottom:auto;height:26px}
.tl-num{
  position:absolute;left:calc(20% - 48px);top:0;
  width:52px;height:52px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-size:20px;font-weight:700;
  background:#fff;border:2px solid var(--c-green);color:var(--c-green);
  z-index:2;transition:var(--ease);
}
.tl-num.is-done{background:var(--c-deep);border-color:var(--c-deep);color:var(--c-lime)}
.tl-content{padding-left:42px}
.tl-meta{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:.04em;
  color:var(--c-orange);text-transform:uppercase;
  font-family:var(--font-num);
}
.tl-content h3{font-size:21px;font-weight:700;color:var(--c-deep);margin:8px 0 12px}
.tl-content p{font-size:15.5px;color:var(--ink-2);line-height:1.88;max-width:760px}
.tl-figure{
  margin-top:20px;border-radius:14px;overflow:hidden;border:1px solid var(--line);
  background:var(--soft);max-width:720px;
}
.tl-figure img{width:100%;aspect-ratio:16/9;object-fit:cover}
@media (max-width:767.98px){
  .tl-item{grid-template-columns:52px 1fr;padding-bottom:38px}
  .tl-item::before{left:25px}
  .tl-item:first-child::before{top:24px}
  .tl-item:last-child::before{height:24px}
  .tl-num{left:0;width:50px;height:50px;font-size:18px}
  .tl-content{padding-left:14px}
  .tl-content h3{font-size:19px}
}

/* ============ 场景卡 ============ */
.scene-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);transition:var(--ease);
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.scene-figure{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--soft)}
.scene-figure img{width:100%;height:100%;object-fit:cover;transition:transform .4s cubic-bezier(.2,.7,.3,1)}
.scene-card:hover .scene-figure img{transform:scale(1.03)}
.scene-body{padding:22px 24px 26px}
.badge-x{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:#FFEDE4;color:#B8431A;font-size:13px;font-weight:600;
}
.scene-body h3{font-size:19px;font-weight:700;color:var(--c-deep);margin:14px 0 10px}
.scene-body p{font-size:15px;color:var(--ink-2);line-height:1.85}

/* ============ 数据条带 ============ */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-top:8px}
.stat-num{
  font-family:var(--font-num);font-size:clamp(34px,4vw,52px);font-weight:700;
  line-height:1;color:#fff;
}
.stat-num small{font-size:.42em;font-weight:600;color:var(--c-lime);margin-left:6px;letter-spacing:.02em}
.stat-line{width:36px;height:2px;background:var(--c-lime);margin:16px 0 14px;border-radius:2px}
.stat-label{font-size:14.5px;font-weight:600;color:#fff}
.stat-desc{font-size:12.5px;color:rgba(255,255,255,.62);line-height:1.7;margin-top:6px}
@media (max-width:991.98px){.stat-grid{grid-template-columns:repeat(2,1fr);gap:32px 24px}}
@media (max-width:575.98px){.stat-grid{grid-template-columns:1fr}}

/* ============ 说明条目 ============ */
.flow-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line);margin-top:12px}
.flow-item{padding:30px 28px 8px;border-left:1px solid var(--line)}
.flow-item:first-child{border-left:0;padding-left:0}
.flow-num{
  font-family:var(--font-num);font-size:30px;font-weight:700;line-height:1;
  color:rgba(255,107,44,.35);
}
.flow-item h3{font-size:18px;font-weight:700;color:var(--c-deep);margin:14px 0 10px}
.flow-item p{font-size:15px;color:var(--ink-2);line-height:1.85}
@media (max-width:991.98px){
  .flow-grid{grid-template-columns:1fr}
  .flow-item{border-left:0;border-top:1px solid var(--line);padding:26px 0 4px}
  .flow-item:first-child{border-top:0;padding-top:12px}
}

/* ============ FAQ ============ */
.faq-list{max-width:900px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  overflow:hidden;margin-bottom:12px;transition:var(--ease);
}
.faq-item:hover{border-color:#D6E3DA;box-shadow:var(--sh-1)}
.faq-q{
  width:100%;background:none;border:0;cursor:pointer;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;font-size:17px;font-weight:600;color:var(--ink);line-height:1.6;
}
.faq-icon{
  position:relative;flex:0 0 32px;width:32px;height:32px;border-radius:50%;
  border:1.5px solid var(--c-green);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--c-green);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:12px;height:2px}
.faq-icon::after{width:2px;height:12px;transition:transform var(--ease)}
.faq-q:not(.collapsed) .faq-icon::after{transform:translate(-50%,-50%) scaleY(0)}
.faq-a{padding:0 22px 22px;font-size:15px;line-height:1.88;color:var(--ink-2)}

/* ============ CTA 条带 ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--c-deep-2);color:#fff;
  border-radius:var(--r-block);
  padding:52px 48px;
}
.cta-band h2{font-size:clamp(23px,3vw,34px);font-weight:700;color:#fff;line-height:1.32}
.cta-band p{margin-top:16px;font-size:16px;color:rgba(255,255,255,.72);max-width:620px;line-height:1.85}
.cta-band .cta-actions{margin-top:30px;display:flex;flex-wrap:wrap;gap:14px}
.cta-deco{
  position:absolute;right:-40px;bottom:-60px;width:340px;opacity:.5;pointer-events:none;
}
@media (max-width:767.98px){
  .cta-band{padding:38px 24px;text-align:center}
  .cta-band p{margin-left:auto;margin-right:auto}
  .cta-band .cta-actions{justify-content:center}
  .cta-band .cta-actions .btn-x{width:100%}
  .cta-deco{display:none}
}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-deep-2);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:72px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:48px}
.footer-brand .brand{color:#fff}
.footer-brand p{font-size:14px;line-height:1.85;margin-top:16px;max-width:280px;color:rgba(255,255,255,.62)}
.footer-col h4{
  font-size:15px;font-weight:600;color:rgba(255,255,255,.6);
  margin-bottom:16px;letter-spacing:.02em;
}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{display:inline-block;font-size:14px;color:rgba(255,255,255,.72)}
.footer-col ul a:hover{color:var(--c-lime);transform:translateX(2px)}
.footer-sub p{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.6)}
.subscribe-form{margin-top:16px}
.sub-group{display:flex;gap:8px}
.sub-group input{
  flex:1;min-width:0;height:48px;border-radius:10px;
  border:1px solid #1C3A31;background:#0F2A22;color:#fff;
  padding:0 14px;font-size:14px;transition:var(--ease);
}
.sub-group input::placeholder{color:rgba(255,255,255,.38)}
.sub-group input:focus{outline:none;border-color:var(--c-lime);box-shadow:0 0 0 3px rgba(198,242,78,.18)}
.footer-contact{margin-top:16px;font-size:13px;line-height:1.9;color:rgba(255,255,255,.55)}
.footer-bottom{
  border-top:1px solid #1C3A31;padding:20px 0;text-align:center;
  font-size:13px;color:rgba(255,255,255,.5);
}
@media (max-width:991.98px){
  .footer-grid{grid-template-columns:1fr 1fr}
  .site-footer{padding-top:52px;margin-top:52px}
}
@media (max-width:575.98px){
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .sub-group{flex-direction:column}
  .sub-group .btn-x{width:100%}
}

/* ============ 入场动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease,transform .5s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{transition:none!important}
}

/* roulang page: category3 */
:root{
  --green-900:#0F3D2E;
  --green:#1E7A5A;
  --green-soft:#E8F7EE;
  --green-mist:#F4F8F5;
  --lime:#C6F24E;
  --orange:#FF6B2C;
  --paper:#F7F6F2;
  --card:#FFFFFF;
  --dark:#0B1F19;
  --ink:#1A1F1C;
  --muted:#5C6660;
  --line:#E4E2DA;
  --weak:#F1F0EA;
  --radius-card:16px;
  --radius-band:24px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(15,61,46,.06);
  --shadow-2:0 14px 34px -14px rgba(15,61,46,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",Arial,sans-serif;
  --font-num:"Inter","Barlow 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:var(--font-cn);
  font-size:17px;
  line-height:1.8;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;color:var(--green-900);letter-spacing:-.01em}
p{margin:0}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease),background-color .25s var(--ease),transform .25s var(--ease)}
button{font-family:inherit;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:var(--lime);color:var(--green-900)}
:focus-visible{outline:2px solid var(--green-900);outline-offset:2px;box-shadow:0 0 0 4px rgba(15,61,46,.15)}

.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section-x{padding:72px 0}
.section-x.tight{padding:56px 0}
.section-alt{background:#FCFBF8;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* ---------- 按钮 ---------- */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;border:1.5px solid transparent;
  transition:background-color .25s var(--ease),color .25s var(--ease),transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
  white-space:nowrap;
}
.btn-primary-x{background:var(--lime);color:var(--green-900);box-shadow:0 12px 26px -16px rgba(15,61,46,.55)}
.btn-primary-x:hover{background:#b8e63c;color:var(--green-900);transform:translateY(-2px);box-shadow:0 18px 32px -16px rgba(15,61,46,.5)}
.btn-primary-x:active{transform:translateY(0)}
.btn-ghost-x{background:transparent;border-color:rgba(15,61,46,.45);color:var(--green-900)}
.btn-ghost-x:hover{background:var(--green-soft);border-color:var(--green);color:var(--green-900);transform:translateY(-2px)}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.42);color:#fff}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.7);color:#fff;transform:translateY(-2px)}
.btn-sm-x{height:42px;padding:0 18px;font-size:14px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--green)}
.link-arrow::after{content:"→";transition:transform .25s var(--ease);display:inline-block}
.link-arrow:hover{color:var(--green-900)}
.link-arrow:hover::after{transform:translateX(4px)}

/* ---------- 徽章 / 标签 ---------- */
.badge-x{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;font-size:13px;font-weight:600;line-height:1}
.badge-orange{background:rgba(255,107,44,.14);color:#B8451A}
.badge-green{background:var(--green-soft);color:var(--green)}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--green);margin-bottom:14px}
.kicker::before{content:"";width:20px;height:2px;background:var(--orange);border-radius:2px}

/* ---------- 板块标题 ---------- */
.section-head{max-width:760px;margin-bottom:42px}
.section-head h2{font-size:clamp(24px,3vw,34px);margin-bottom:14px}
.section-head p{color:var(--muted);font-size:16.5px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(247,246,242,.94);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.site-header.scrolled{box-shadow:0 12px 30px -22px rgba(15,61,46,.55)}
.nav-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;height:76px;transition:height .25s var(--ease)}
.site-header.scrolled .nav-bar{height:64px}
.nav-side{display:flex;align-items:center;gap:4px;flex:1 1 0;min-width:0}
.nav-side.right{justify-content:flex-end}
.nav-link-x{position:relative;font-size:15px;font-weight:500;color:var(--ink);padding:8px 10px;border-radius:8px;white-space:nowrap}
.nav-link-x:hover{color:var(--green);background:var(--green-soft)}
.nav-link-x.active{color:var(--green-900);font-weight:600}
.nav-link-x.active::after{content:"";position:absolute;left:10px;right:10px;bottom:-1px;height:3px;border-radius:3px;background:var(--green-900)}
.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;color:var(--green-900);flex:0 0 auto;letter-spacing:-.01em}
.brand:hover{color:var(--green)}
.brand-mark{width:34px;height:34px;border-radius:10px;background:var(--green-900);display:grid;place-items:center;flex:0 0 auto}
.brand-mark svg{width:20px;height:20px}
.nav-cta{height:42px;padding:0 20px;font-size:14px}
.mobile-bar{display:none}
.nav-toggle{width:44px;height:44px;padding:0;border:1px solid var(--line);background:#fff;border-radius:12px;display:none;place-items:center;transition:border-color .25s var(--ease),background-color .25s var(--ease)}
.nav-toggle:hover{border-color:var(--green);background:var(--green-soft)}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--green-900);position:relative;border-radius:2px}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--green-900);border-radius:2px;transition:transform .25s var(--ease)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-cta-icon{display:none;width:44px;height:44px;border-radius:12px;background:var(--green-900);place-items:center}
.mobile-cta-icon svg{width:20px;height:20px;fill:none;stroke:var(--lime);stroke-width:2}
.mobile-panel{display:none;background:var(--paper);border-bottom:1px solid var(--line)}
.mobile-panel.open{display:block;animation:panelIn .26s var(--ease)}
@keyframes panelIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}
.mobile-panel > a{display:block;padding:0 24px;line-height:52px;font-size:15px;border-bottom:1px solid var(--line);color:var(--ink)}
.mobile-panel > a:hover{background:var(--green-soft);color:var(--green-900)}
.mobile-panel > a.active{color:var(--green-900);font-weight:600;background:var(--green-mist);box-shadow:inset 3px 0 0 var(--green-900)}
.mobile-cta{padding:16px 24px 20px}
.mobile-cta .btn-x{width:100%;line-height:1}

/* ---------- 页头 banner ---------- */
.banner-x{position:relative;overflow:hidden;padding:56px 0 58px;background-image:url(/assets/images/backpic/back-1.webp);background-size:cover;background-position:center}
.banner-x::before{content:"";position:absolute;inset:0;background:linear-gradient(118deg,rgba(15,61,46,.93) 0%,rgba(11,31,25,.88) 62%,rgba(15,61,46,.82) 100%)}
.banner-inner{position:relative;z-index:2;max-width:880px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.7);margin-bottom:20px}
.crumb a:hover{color:var(--lime)}
.crumb .sep{opacity:.45}
.crumb .cur{color:#fff;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.banner-x h1{color:#fff;font-size:clamp(28px,4.2vw,46px);line-height:1.18;font-weight:800;margin-bottom:18px}
.banner-lead{color:rgba(255,255,255,.82);font-size:17px;max-width:720px}
.banner-meta{display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:28px;font-size:14px;color:rgba(255,255,255,.78)}
.banner-meta span{position:relative;padding-left:16px}
.banner-meta span::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:1px;height:13px;background:rgba(198,242,78,.6)}
.banner-meta span:first-child::before{display:none}
.banner-meta span:first-child{padding-left:0}
.banner-deco{position:absolute;right:-60px;bottom:-90px;width:420px;opacity:.22;z-index:1;pointer-events:none}

/* ---------- 对照卡 ---------- */
.compare-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.compare-card{
  position:relative;display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:30px 26px 26px;box-shadow:var(--shadow-1);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.compare-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.compare-card.featured{border-color:rgba(30,122,90,.38);box-shadow:0 18px 40px -24px rgba(15,61,46,.5)}
.compare-card.featured::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--lime);border-radius:var(--radius-card) var(--radius-card) 0 0}
.ribbon{position:absolute;top:18px;right:18px;background:var(--lime);color:var(--green-900);font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px;line-height:1.4}
.plan-tag{display:inline-block;font-size:13px;font-weight:600;color:#B8451A;background:rgba(255,107,44,.12);border-radius:999px;padding:4px 12px;margin-bottom:14px;align-self:flex-start;line-height:1.5}
.compare-card h3{font-size:22px;margin-bottom:10px}
.plan-desc{font-size:15px;color:var(--muted);margin-bottom:20px}
.spec-list{border-top:1px solid var(--line);margin-bottom:24px}
.spec-list li{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;padding:12px 0;border-bottom:1px dashed var(--line);font-size:14.5px}
.spec-list .k{color:var(--muted);flex:0 0 auto}
.spec-list .v{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-weight:600;color:var(--ink);text-align:right}
.compare-card .btn-x{margin-top:auto;width:100%}

/* ---------- 规格表 ---------- */
.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-card);background:var(--card);box-shadow:var(--shadow-1)}
.spec-table{width:100%;min-width:640px;border-collapse:collapse}
.spec-table thead th{background:var(--weak);color:var(--green-900);font-size:14px;font-weight:600;text-align:left;padding:16px 20px;border-bottom:1px solid var(--line);letter-spacing:.02em}
.spec-table td{padding:16px 20px;font-size:15px;color:var(--ink);border-bottom:1px solid var(--line);vertical-align:top}
.spec-table tbody tr:last-child td{border-bottom:0}
.spec-table tbody tr:hover{background:#FAF9F5}
.spec-table td.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-weight:600;white-space:nowrap}
.spec-table td.soft{color:var(--muted)}
.table-note{margin-top:16px;font-size:14px;color:var(--muted)}

/* ---------- 步骤 ---------- */
.steps-x{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step-x{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 22px;box-shadow:var(--shadow-1);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.step-x:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.step-num{display:block;font-family:var(--font-num);font-size:46px;line-height:1;font-weight:700;color:transparent;-webkit-text-stroke:1.2px rgba(255,107,44,.6);margin-bottom:14px}
.step-x h3{font-size:19px;margin-bottom:10px}
.step-x p{font-size:15px;color:var(--muted)}

/* ---------- 场景卡 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scene-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .25s var(--ease),box-shadow .25s var(--ease)}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.scene-card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--weak);position:relative}
.scene-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.scene-card:hover .thumb img{transform:scale(1.03)}
.scene-body{padding:24px 22px}
.scene-body h3{font-size:19px;margin-bottom:10px}
.scene-body p{font-size:15px;color:var(--muted)}
.scene-body .badge-x{margin-bottom:12px}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px}
.faq-acc .accordion-item{background:var(--card);border:1px solid var(--line);border-radius:14px;margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow-1)}
.faq-acc .accordion-header{margin:0}
.faq-acc .accordion-button{
  width:100%;background:var(--card);border:0;border-radius:0 !important;
  padding:18px 68px 18px 22px;font-size:17px;font-weight:600;color:var(--ink);
  box-shadow:none !important;position:relative;line-height:1.6;
}
.faq-acc .accordion-button:not(.collapsed){background:var(--green-mist);color:var(--green-900)}
.faq-acc .accordion-button::after{
  content:"";position:absolute;right:18px;top:50%;width:32px;height:32px;margin:0;
  border:1.5px solid rgba(30,122,90,.42);border-radius:50%;
  background-color:transparent;
  background-image:linear-gradient(var(--green),var(--green)),linear-gradient(var(--green),var(--green));
  background-size:12px 2px,2px 12px;
  background-position:center center;background-repeat:no-repeat;
  transform:translateY(-50%) !important;
  transition:background-size .25s var(--ease),border-color .25s var(--ease),background-color .25s var(--ease);
}
.faq-acc .accordion-button:not(.collapsed)::after{background-size:12px 2px,2px 0;border-color:var(--green);background-color:rgba(30,122,90,.08)}
.faq-acc .accordion-body{padding:2px 22px 20px;font-size:15px;color:var(--muted);line-height:1.85}

/* ---------- CTA 条带 ---------- */
.cta-band{position:relative;overflow:hidden;background:linear-gradient(120deg,#0F3D2E 0%,#0B1F19 100%);border-radius:var(--radius-band);padding:52px 48px;display:flex;align-items:center;justify-content:space-between;gap:36px}
.cta-band h2{color:#fff;font-size:clamp(22px,2.8vw,32px);margin-bottom:12px;position:relative;z-index:2}
.cta-band p{color:rgba(255,255,255,.76);font-size:16px;max-width:560px;position:relative;z-index:2}
.cta-copy{position:relative;z-index:2}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex-shrink:0;position:relative;z-index:2}
.cta-deco{position:absolute;right:-50px;top:-70px;width:300px;opacity:.16;pointer-events:none}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.5fr;gap:40px;padding-bottom:48px}
.footer-brand .brand{color:#fff;margin-bottom:16px}
.footer-brand .brand-mark{background:rgba(198,242,78,.16)}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.6);max-width:280px}
.footer-col h4{font-size:15px;font-weight:600;color:rgba(255,255,255,.62);margin-bottom:18px;letter-spacing:.02em}
.footer-col ul li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.74);display:inline-block}
.footer-col a:hover{color:var(--lime);transform:translateX(2px)}
.footer-sub p{font-size:14px;color:rgba(255,255,255,.6);margin-bottom:16px;max-width:320px}
.sub-group{display:flex;gap:10px;flex-wrap:wrap}
.sub-group input{
  flex:1 1 160px;min-width:0;height:48px;border-radius:10px;
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);
  color:#fff;padding:0 14px;font-size:15px;font-family:inherit;
  transition:border-color .25s var(--ease),background-color .25s var(--ease),box-shadow .25s var(--ease);
}
.sub-group input::placeholder{color:rgba(255,255,255,.42)}
.sub-group input:focus{outline:none;border-color:var(--lime);background:rgba(255,255,255,.1);box-shadow:0 0 0 3px rgba(198,242,78,.18)}
.footer-contact{font-size:13px;color:rgba(255,255,255,.55);margin-top:18px;line-height:1.9}
.footer-bottom{border-top:1px solid #1C3A31;text-align:center;padding:20px 0;font-size:13px;color:rgba(255,255,255,.5)}

/* ---------- 动效 ---------- */
.anim-ready .reveal{opacity:0;transform:translateY(12px)}
.anim-ready .reveal.in{opacity:1;transform:none;transition:opacity .6s var(--ease),transform .6s var(--ease)}
@media (prefers-reduced-motion: reduce){
  .anim-ready .reveal,.anim-ready .reveal.in{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .nav-link-x{font-size:14px;padding:8px 8px}
  .brand{font-size:18px}
}
@media (max-width:991.98px){
  .container-x{padding:0 20px}
  .section-x{padding:60px 0}
  .nav-side{display:none !important}
  .nav-bar{display:grid;grid-template-columns:44px 1fr 44px;align-items:center;gap:0;height:66px}
  .site-header.scrolled .nav-bar{height:60px}
  .mobile-bar{display:grid;grid-column:1;justify-self:start}
  .mobile-bar .nav-toggle{display:grid;place-items:center}
  .brand{grid-column:2;justify-self:center;font-size:17px}
  .mobile-cta-icon{display:grid;grid-column:3;justify-self:end}
  .nav-toggle[style]{display:none !important}
  .compare-grid{grid-template-columns:1fr}
  .compare-card.featured{order:-1}
  .steps-x{grid-template-columns:repeat(2,1fr)}
  .scene-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .banner-x{padding:44px 0 48px}
  .banner-deco{width:300px;opacity:.16;right:-70px;bottom:-80px}
}
@media (max-width:767.98px){
  body{font-size:16px}
  .container-x{padding:0 16px}
  .section-x{padding:48px 0}
  .section-x.tight{padding:40px 0}
  .steps-x{grid-template-columns:1fr}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 24px;border-radius:20px}
  .cta-actions{width:100%}
  .cta-actions .btn-x{flex:1 1 auto;min-width:150px}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:36px}
  .footer-col a:hover{transform:none}
  .banner-meta{gap:8px 18px;font-size:13.5px}
  .brand{font-size:16px}
  .brand-mark{width:30px;height:30px;border-radius:9px}
  .brand-mark svg{width:18px;height:18px}
  .footer-brand p{max-width:none}
}
@media (max-width:520px){
  .banner-x h1{font-size:26px}
  .compare-card{padding:26px 20px 22px}
  .spec-table thead th,.spec-table td{padding:14px 16px}
  .cta-actions .btn-x{width:100%}
}

/* roulang page: category4 */
:root{
  --c-primary:#0F3D2E;
  --c-primary-light:#1E7A5A;
  --c-accent:#C6F24E;
  --c-orange:#FF6B2C;
  --bg:#F7F6F2;
  --card:#FFFFFF;
  --dark:#0B1F19;
  --text:#1A1F1C;
  --text-2:#5C6660;
  --line:#E4E2DA;
  --weak:#F1F0EA;
  --soft-green:#F4F8F5;
  --r-card:16px;
  --r-block:24px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(15,61,46,.06);
  --sh-2:0 14px 34px -14px rgba(15,61,46,.28);
  --t:.25s cubic-bezier(.2,.7,.3,1);
  --font-cn:-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"Inter","Barlow Condensed","Segoe UI",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color var(--t),background-color var(--t),border-color var(--t),transform var(--t)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.28;font-weight:700;letter-spacing:-.01em}
p{margin:0}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--c-primary-light);outline-offset:3px;box-shadow:0 0 0 4px rgba(30,122,90,.15);border-radius:6px}
.visually-hidden{position:absolute!important;left:-9999px!important;width:1px;height:1px;overflow:hidden}

.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (max-width:767.98px){.container-x{padding:0 16px}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(247,246,242,.94);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t);
}
.site-header.scrolled{box-shadow:0 10px 30px -18px rgba(15,61,46,.55)}
.nav-bar{
  position:relative;
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  height:76px;
  transition:height var(--t);
}
.site-header.scrolled .nav-bar{height:64px}
.nav-side{display:flex;align-items:center;gap:22px}
.nav-side.right{justify-content:flex-end}
.nav-link-x{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--text);
  padding:6px 2px;
  white-space:nowrap;
}
.nav-link-x:hover{color:var(--c-primary-light)}
.nav-link-x.active{color:var(--c-primary);font-weight:600}
.nav-link-x.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:3px;border-radius:3px;background:var(--c-primary);
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--c-primary);
  white-space:nowrap;
}
.brand-mark{
  width:34px;height:34px;flex:none;border-radius:11px;
  background:var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;
}
.brand-mark svg{width:21px;height:21px}
.mobile-bar,.mobile-cta-icon{display:none}
.mobile-cta-icon{align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff}
.mobile-cta-icon svg{width:20px;height:20px;fill:none;stroke:var(--c-primary);stroke-width:1.8}
.nav-toggle{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{position:relative;display:block;width:18px;height:2px;border-radius:2px;background:var(--c-primary)}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--c-primary);transition:transform var(--t),top var(--t)
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg)}
.mobile-panel{
  display:none;overflow:hidden;max-height:0;
  background:rgba(247,246,242,.99);
  border-top:1px solid transparent;
  transition:max-height .32s ease;
}
.mobile-panel.open{max-height:560px;border-top-color:var(--line)}
.mobile-panel > a{
  display:block;padding:15px 24px;font-size:16px;color:var(--text);
  border-bottom:1px solid var(--line);
}
.mobile-panel > a.active{color:var(--c-primary);font-weight:600;background:rgba(30,122,90,.06)}
.mobile-panel .mobile-cta{padding:16px 24px 22px}
@media (max-width:991.98px){
  .nav-bar{grid-template-columns:44px 1fr 44px;height:64px;gap:10px}
  .nav-side{display:none}
  .mobile-bar{display:flex;justify-content:flex-start}
  .mobile-cta-icon{display:inline-flex;justify-self:end}
  .brand{justify-self:center;font-size:17px}
  .brand-mark{width:30px;height:30px;border-radius:10px}
  .brand-mark svg{width:18px;height:18px}
  .mobile-panel{display:block}
}
@media (max-width:400px){
  .brand span:last-child{font-size:15px}
}

/* ---------- 按钮 ---------- */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;cursor:pointer;border:1.5px solid transparent;
  transition:background-color var(--t),transform var(--t),box-shadow var(--t),border-color var(--t),color var(--t);
}
.btn-primary-x{background:var(--c-accent);color:#123A2C;border-color:var(--c-accent)}
.btn-primary-x:hover{background:#B6E63C;transform:translateY(-2px);box-shadow:0 12px 26px -14px rgba(15,61,46,.5)}
.btn-primary-x:active{transform:translateY(0)}
.btn-ghost-x{background:transparent;color:var(--c-primary);border-color:var(--c-primary)}
.btn-ghost-x:hover{background:#E8F7EE}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-sm-x{height:44px;padding:0 18px;font-size:14px}
.nav-cta{height:40px;padding:0 18px;font-size:14px}

/* ---------- 页头 ---------- */
.page-hero{
  position:relative;
  color:#fff;
  padding:76px 0 68px;
  background-image:linear-gradient(rgba(15,61,46,.88),rgba(15,61,46,.9)),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
}
.crumb{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.72);margin-bottom:18px;flex-wrap:wrap}
.crumb a:hover{color:var(--c-accent)}
.crumb .cur{color:rgba(255,255,255,.92);max-width:60%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.page-hero h1{
  font-size:clamp(30px,4.6vw,54px);
  font-weight:800;line-height:1.18;letter-spacing:-.01em;color:#fff;
  max-width:900px;
}
.page-lead{
  margin-top:18px;max-width:680px;
  font-size:17px;line-height:1.8;color:rgba(255,255,255,.82);
}
.hero-tags{display:flex;flex-wrap:wrap;margin:26px 0 0}
.hero-tags li{
  font-size:14px;color:rgba(255,255,255,.82);
  padding:0 18px;border-left:1px solid rgba(255,255,255,.28);
  font-family:var(--font-num);
  letter-spacing:.01em;
}
.hero-tags li:first-child{padding-left:0;border-left:0}
@media (max-width:767.98px){
  .page-hero{padding:48px 0 44px}
  .hero-tags li{padding:0 12px;font-size:13px}
}

/* ---------- 板块 ---------- */
.section{padding:72px 0}
.section.tight{padding:56px 0}
@media (max-width:767.98px){.section{padding:48px 0}.section.tight{padding:40px 0}}

.sec-head{max-width:760px;margin-bottom:36px}
.sec-head h2{font-size:clamp(24px,3vw,34px);font-weight:700;color:var(--text)}
.sec-head p{margin-top:12px;font-size:16px;color:var(--text-2);line-height:1.8}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--c-primary-light);
  margin-bottom:12px;text-transform:uppercase;
}
.eyebrow::before{content:"";width:18px;height:3px;border-radius:3px;background:var(--c-accent)}

/* ---------- 问答卡 ---------- */
.qa-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.qa-card{
  background:#F6F5F1;
  border-radius:var(--r-card);
  padding:24px 26px;
  border:1px solid transparent;
  transition:background-color var(--t),box-shadow var(--t),transform var(--t),border-color var(--t);
}
.qa-card:hover{background:#fff;border-color:var(--line);box-shadow:var(--sh-2);transform:translateY(-3px)}
.qa-card h3{
  font-size:16px;font-weight:600;color:var(--text);line-height:1.6;
  display:flex;gap:10px;align-items:flex-start;
}
.qa-card h3 .qa-mark{
  flex:none;width:22px;height:22px;border-radius:7px;margin-top:3px;
  background:rgba(255,107,44,.14);color:var(--c-orange);
  font-family:var(--font-num);font-size:13px;font-weight:700;
  display:inline-flex;align-items:center;justify-content:center;
}
.qa-card p{margin-top:10px;font-size:15px;line-height:1.78;color:var(--text-2)}
@media (max-width:767.98px){.qa-grid{grid-template-columns:1fr;gap:16px}}

/* ---------- 自助处理图文 ---------- */
.self-help{display:grid;grid-template-columns:5fr 7fr;gap:44px;align-items:center}
.self-help .media{
  border-radius:var(--r-card);overflow:hidden;background:var(--weak);
  box-shadow:var(--sh-1);
}
.self-help .media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.step-list{margin-top:8px;display:flex;flex-direction:column}
.step-item{display:flex;gap:18px;padding:20px 0;border-bottom:1px solid var(--line)}
.step-item:last-child{border-bottom:0}
.step-no{
  flex:none;width:44px;
  font-family:var(--font-num);font-size:30px;font-weight:700;line-height:1;
  color:rgba(255,107,44,.55);letter-spacing:-.02em;
}
.step-item h3{font-size:18px;font-weight:600}
.step-item p{margin-top:6px;font-size:15px;color:var(--text-2);line-height:1.75}
@media (max-width:991.98px){
  .self-help{grid-template-columns:1fr;gap:28px}
}

/* ---------- 深色指标带 ---------- */
.stats-band{background:var(--c-primary);color:#fff;padding:64px 0}
.stats-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:10px}
.stats-band .band-lead{color:rgba(255,255,255,.72);font-size:15px;max-width:640px;margin-bottom:36px}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.stat-item .num{
  font-family:var(--font-num);font-size:clamp(38px,4.4vw,52px);font-weight:700;line-height:1;
  color:#fff;letter-spacing:-.02em;
}
.stat-item .num em{font-style:normal;font-size:.5em;margin-left:4px;color:rgba(255,255,255,.7)}
.stat-item .bar{width:36px;height:2px;background:var(--c-accent);margin:14px 0 12px;border-radius:2px}
.stat-item .label{font-size:14px;font-weight:600;color:rgba(255,255,255,.9)}
.stat-item .desc{font-size:12px;color:rgba(255,255,255,.55);margin-top:6px;line-height:1.7}
@media (max-width:991.98px){.stats-grid{grid-template-columns:1fr 1fr;gap:32px 24px}}
@media (max-width:575.98px){.stats-grid{grid-template-columns:1fr}}

/* ---------- 反馈表单 ---------- */
.feedback-wrap{
  display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:start;
}
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:30px;box-shadow:var(--sh-1);
}
.form-card h2{font-size:22px;margin-bottom:8px}
.form-card .form-note{font-size:15px;color:var(--text-2);margin-bottom:22px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--text-2);margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;border:1px solid #D8D6CC;border-radius:var(--r-btn);
  background:#fff;padding:0 14px;height:48px;font-size:15px;color:var(--text);
  transition:border-color var(--t),box-shadow var(--t);
}
.field textarea{height:118px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(30,122,90,.14);
}
.field input::placeholder,.field textarea::placeholder{color:#9AA39D}
.field.has-error input,.field.has-error textarea{border-color:var(--c-orange)}
.field .err{display:none;font-size:13px;color:var(--c-orange);margin-top:6px}
.field.has-error .err{display:block}
.form-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:4px}
.form-actions .hint{font-size:13px;color:var(--text-2)}
.flow-card{
  background:var(--soft-green);border-radius:var(--r-card);padding:28px;
}
.flow-card h3{font-size:18px;margin-bottom:18px}
.flow-list{display:flex;flex-direction:column;gap:18px}
.flow-item{display:flex;gap:14px}
.flow-dot{
  flex:none;width:26px;height:26px;border-radius:50%;margin-top:3px;
  background:var(--c-primary);color:var(--c-accent);
  font-family:var(--font-num);font-size:12px;font-weight:700;
  display:inline-flex;align-items:center;justify-content:center;
}
.flow-item h4{font-size:15px;font-weight:600}
.flow-item p{font-size:14px;color:var(--text-2);line-height:1.72;margin-top:4px}
@media (max-width:991.98px){.feedback-wrap{grid-template-columns:1fr}}

/* ---------- 底部 CTA ---------- */
.cta-section{padding:24px 0 88px}
.cta-box{
  position:relative;overflow:hidden;
  background:var(--c-primary);color:#fff;
  border-radius:var(--r-block);
  padding:52px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
}
.cta-box::after{
  content:"";position:absolute;right:-60px;top:-70px;width:320px;height:320px;border-radius:50%;
  border:34px solid rgba(198,242,78,.14);pointer-events:none;
}
.cta-copy{position:relative;z-index:1;max-width:640px}
.cta-copy h2{font-size:clamp(22px,2.8vw,30px);color:#fff}
.cta-copy p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.78);line-height:1.8}
.cta-actions{position:relative;z-index:1;display:flex;gap:14px;flex-wrap:wrap}
@media (max-width:991.98px){
  .cta-box{flex-direction:column;align-items:flex-start;padding:38px 28px}
  .cta-actions{width:100%}
  .cta-actions .btn-x{flex:1;min-width:170px}
  .cta-section{padding-bottom:56px}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.5fr;gap:40px}
.footer-brand .brand{color:#fff;margin-bottom:14px}
.footer-brand .brand-mark{background:rgba(198,242,78,.14)}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.6);line-height:1.8}
.footer-col h4{font-size:15px;font-weight:600;color:rgba(255,255,255,.6);margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.72);display:inline-block}
.footer-col ul a:hover{color:var(--c-accent);transform:translateX(2px)}
.footer-sub p{font-size:14px;color:rgba(255,255,255,.6);margin-bottom:14px;line-height:1.8}
.subscribe-form .sub-group{display:flex;gap:8px}
.subscribe-form input{
  flex:1;min-width:0;height:48px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);
  padding:0 14px;font-size:14px;color:#fff;
}
.subscribe-form input::placeholder{color:rgba(255,255,255,.42)}
.subscribe-form input:focus{outline:none;border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(198,242,78,.18)}
.footer-contact{margin-top:16px;font-size:13px;line-height:1.9;color:rgba(255,255,255,.5)}
.footer-bottom{
  margin-top:48px;border-top:1px solid #1C3A31;padding:20px 0;
  text-align:center;font-size:13px;color:rgba(255,255,255,.5);
}
@media (max-width:991.98px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:575.98px){
  .footer-grid{grid-template-columns:1fr}
  .subscribe-form .sub-group{flex-direction:column}
}