/* roulang page: index */
:root{
  --ink:#0F3D33;
  --ink-light:#14795C;
  --orange:#FF6B35;
  --lime:#C8F14E;
  --bg:#F5F7F4;
  --card:#FFFFFF;
  --dark:#0B2A24;
  --line:#E2E7E0;
  --text:#26302C;
  --muted:#5F6E68;
  --disabled:#9AA6A0;
  --chip:#E6F1EC;
  --grad:linear-gradient(145deg,#0F3D33 0%,#14795C 100%);
  --grad-soft:linear-gradient(145deg,#0F3D33 0%,#14795C 88%,#C8F14E 100%);
  --r-xl:28px;
  --r-lg:20px;
  --r-sm:14px;
  --r-pill:999px;
  --sh1:0 2px 8px rgba(15,61,51,.06);
  --sh2:0 10px 28px rgba(15,61,51,.10);
  --sh3:0 24px 60px rgba(15,61,51,.14);
  --sp-xl:88px;
  --sp-lg:64px;
  --sp-md:48px;
  --font:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,p,figure,blockquote{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:var(--ink-light);text-decoration:none;transition:color .2s ease,background-color .2s ease}
img{max-width:100%;height:auto;display:block}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
:focus-visible{outline:3px solid rgba(20,121,92,.35);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:200;
  background:rgba(245,247,244,.86);
  border-bottom:1px solid rgba(226,231,224,.9);
  backdrop-filter:saturate(160%) blur(8px);
  transition:box-shadow .25s ease,background-color .25s ease,padding .25s ease;
}
.site-header.is-scrolled{background:#fff;box-shadow:var(--sh2);border-bottom-color:#fff}
.header-inner{display:flex;align-items:center;gap:24px;height:76px;transition:height .25s ease}
.site-header.is-scrolled .header-inner{height:64px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  background:var(--grad);display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh1);flex:0 0 auto;
}
.brand-mark svg{width:20px;height:20px;display:block}
.brand-text{font-size:19px;font-weight:800;letter-spacing:.5px;color:var(--ink);line-height:1}
.brand:hover .brand-text{color:var(--ink-light)}
.main-nav{flex:1 1 auto;min-width:0}
.nav-list{display:flex;align-items:center;gap:6px}
.nav-link{
  position:relative;display:inline-block;padding:8px 12px;font-size:15px;color:var(--text);
  border-radius:var(--r-pill);white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--ink-light);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-link:hover{color:var(--ink-light);background:rgba(20,121,92,.06)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink);font-weight:600}
.header-tools{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.search-box{
  position:relative;display:flex;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  height:40px;padding:0 14px;width:230px;transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box:focus-within{border-color:var(--ink-light);box-shadow:0 0 0 3px rgba(20,121,92,.14)}
.search-box i{font-size:13px;color:var(--muted);margin-right:8px}
.search-box input{
  flex:1;border:0;background:transparent;height:100%;font-size:14px;outline:none;min-width:0;
}
.search-box input::placeholder{color:var(--disabled)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#fff;color:var(--ink);
  align-items:center;justify-content:center;font-size:17px;
}
.nav-toggle:hover{border-color:var(--ink-light);color:var(--ink-light)}
.mobile-panel{
  display:none;position:fixed;inset:76px 0 0 0;background:#fff;z-index:190;
  padding:24px;overflow-y:auto;
}
.mobile-panel.is-open{display:block}
.mobile-panel .m-link{
  display:block;padding:15px 16px;font-size:16px;color:var(--text);
  border-radius:var(--r-sm);border:1px solid transparent;
}
.mobile-panel .m-link:hover,.mobile-panel .m-link.is-active{
  background:var(--chip);color:var(--ink);border-color:#CDE4DA;font-weight:600;
}
.mobile-panel .m-actions{margin-top:20px;display:grid;gap:12px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);font-weight:600;line-height:1;
  padding:0 24px;height:44px;font-size:15px;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
  border:1px solid transparent;white-space:nowrap;
}
.btn-sm{height:36px;padding:0 18px;font-size:14px}
.btn-lg{height:52px;padding:0 30px;font-size:16px}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--sh2)}
.btn-primary:hover{color:#fff;box-shadow:var(--sh3),inset 0 0 0 1px rgba(200,241,78,.28);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(1px);box-shadow:var(--sh1)}
.btn-outline{background:transparent;color:var(--ink);border-color:rgba(15,61,51,.28)}
.btn-outline:hover{border-color:var(--ink-light);color:var(--ink-light);background:rgba(20,121,92,.05);transform:translateY(-2px)}
.btn-outline:active{transform:translateY(1px)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--sh1)}
.btn-ghost:hover{color:var(--ink-light);border-color:var(--ink-light);transform:translateY(-2px);box-shadow:var(--sh2)}
.btn-ghost:active{transform:translateY(1px)}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;pointer-events:none}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:76px 0 84px;
  background-color:var(--bg);
  background-image:linear-gradient(180deg,rgba(245,247,244,.92) 0%,rgba(245,247,244,.98) 62%,#F5F7F4 100%),url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center right;
}
.hero::after{
  content:"";position:absolute;width:520px;height:520px;right:-160px;top:-200px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,241,78,.30) 0%,rgba(200,241,78,0) 68%);
  pointer-events:none;
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:repeat(12,1fr);gap:24px;align-items:center}
.hero-copy{grid-column:span 6}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--chip);color:var(--ink);font-size:12px;font-weight:600;
  padding:7px 14px;border-radius:var(--r-pill);letter-spacing:.4px;margin-bottom:20px;
}
.hero-eyebrow i{color:var(--orange);font-size:11px}
.hero h1{
  font-size:40px;line-height:1.3;font-weight:800;color:var(--ink);
  letter-spacing:-.4px;margin-bottom:18px;
}
.hero-sub{font-size:17px;color:var(--muted);max-width:520px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px}
.stat-badges{display:flex;flex-wrap:wrap;gap:14px}
.stat-badges li{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:12px 18px;box-shadow:var(--sh1);min-width:118px;
  transition:box-shadow .2s ease,transform .2s ease;
}
.stat-badges li:hover{box-shadow:var(--sh2);transform:translateY(-2px)}
.stat-num{display:block;font-size:18px;font-weight:800;color:var(--ink);line-height:1.3}
.stat-num .stat-unit{font-size:12px;font-weight:600;color:var(--ink-light);margin-left:2px}
.stat-label{display:block;font-size:12px;color:var(--muted);line-height:1.6}
.stat-badges li.is-accent .stat-num{color:var(--orange)}
.hero-visual{grid-column:span 6}
.hero-card{
  position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh3);
  background:#fff;aspect-ratio:4/3;
}
.hero-card img{width:100%;height:100%;object-fit:cover}
.hero-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(15,61,51,.42) 0%,rgba(15,61,51,.06) 58%,rgba(15,61,51,.30) 100%);
}
.float-badge{
  position:absolute;left:18px;top:18px;z-index:3;
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.86);border-radius:var(--r-pill);
  padding:8px 16px;font-size:13px;font-weight:600;color:var(--ink);
  box-shadow:var(--sh2);
}
.float-badge i{color:var(--orange);font-size:12px}
.hero-card-note{
  position:absolute;left:18px;right:18px;bottom:18px;z-index:3;
  background:rgba(11,42,36,.72);border-radius:var(--r-sm);
  padding:14px 18px;color:#fff;
}
.hero-card-note strong{display:block;font-size:15px;font-weight:700;margin-bottom:2px}
.hero-card-note span{font-size:13px;opacity:.82}

/* ---------- section base ---------- */
.section{padding:var(--sp-xl) 0}
.section-tight{padding:var(--sp-lg) 0}
.section-dark{background:var(--dark);color:#fff}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-head .head-text{max-width:660px}
.section-kicker{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:1.6px;
  color:var(--ink-light);text-transform:uppercase;margin-bottom:12px;
}
.section-dark .section-kicker{color:var(--lime)}
.section h2{font-size:30px;line-height:1.3;font-weight:700;color:var(--ink);letter-spacing:-.2px}
.section-dark h2{color:#fff}
.section-desc{margin-top:14px;font-size:16px;color:var(--muted)}
.section-dark .section-desc{color:rgba(255,255,255,.74)}
.text-link{font-size:14px;font-weight:600;color:var(--ink-light);display:inline-flex;align-items:center;gap:6px}
.text-link i{font-size:12px;transition:transform .2s ease}
.text-link:hover i{transform:translateX(4px)}

/* ---------- strengths ---------- */
.strength-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.strength-feature{
  grid-column:span 6;border-radius:var(--r-xl);
  background:var(--grad-soft);color:#fff;padding:40px;position:relative;overflow:hidden;
  box-shadow:var(--sh2);display:flex;flex-direction:column;justify-content:space-between;min-height:360px;
}
.strength-feature::after{
  content:"";position:absolute;width:280px;height:280px;right:-90px;bottom:-120px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,241,78,.34) 0%,rgba(200,241,78,0) 70%);
}
.strength-feature .icon-lg{
  width:52px;height:52px;border-radius:16px;background:rgba(255,255,255,.16);
  display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:26px;
}
.strength-feature h3{font-size:24px;font-weight:700;line-height:1.35;margin-bottom:14px;position:relative;z-index:2}
.strength-feature p{font-size:15px;line-height:1.85;color:rgba(255,255,255,.86);position:relative;z-index:2;max-width:420px}
.strength-feature .feature-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px;position:relative;z-index:2}
.strength-feature .feature-tags span{
  font-size:12px;padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.22);
}
.strength-side{grid-column:span 6;display:grid;gap:24px}
.strength-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:30px;box-shadow:var(--sh1);display:flex;gap:20px;
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.strength-card:hover{box-shadow:var(--sh2);transform:translateY(-2px);border-color:#CFE3DA}
.strength-card .icon-md{
  flex:0 0 auto;width:46px;height:46px;border-radius:14px;
  background:var(--chip);color:var(--ink);display:flex;align-items:center;justify-content:center;font-size:17px;
}
.strength-card h3{font-size:20px;font-weight:700;color:var(--ink);margin-bottom:10px}
.strength-card p{font-size:15px;color:var(--muted)}

/* ---------- flow ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.flow-aside{grid-column:span 5}
.flow-aside-inner{position:sticky;top:112px}
.flow-aside h2{margin-bottom:16px}
.flow-index{margin-top:28px;display:grid;gap:10px}
.flow-index li{
  display:flex;align-items:center;gap:12px;font-size:15px;color:var(--muted);
  padding:10px 14px;border-radius:var(--r-sm);border:1px solid transparent;transition:all .2s ease;
}
.flow-index li .idx{
  width:26px;height:26px;border-radius:50%;background:var(--chip);color:var(--ink);
  font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.flow-index li:hover{border-color:var(--line);background:#fff;color:var(--ink);box-shadow:var(--sh1)}
.flow-photo{
  margin-top:28px;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh2);aspect-ratio:16/10;position:relative;
}
.flow-photo img{width:100%;height:100%;object-fit:cover}
.flow-photo::after{content:"";position:absolute;inset:0;background:linear-gradient(150deg,rgba(15,61,51,.35),rgba(15,61,51,0) 60%)}
.flow-steps{grid-column:span 7;display:grid;gap:20px}
.step-block{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px 30px;box-shadow:var(--sh1);transition:box-shadow .2s ease,transform .2s ease;
}
.step-block:hover{box-shadow:var(--sh2);transform:translateY(-2px)}
.step-block .step-top{display:flex;align-items:center;gap:14px;margin-bottom:12px}
.step-no{
  width:32px;height:32px;border-radius:10px;background:var(--grad);color:#fff;
  font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.step-block h4{font-size:17px;font-weight:700;color:var(--ink)}
.step-block p{font-size:15px;color:var(--muted)}
.step-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.step-meta span{
  font-size:12px;padding:5px 12px;border-radius:var(--r-pill);
  background:var(--chip);color:var(--ink);font-weight:500;
}

/* ---------- proof ---------- */
.logo-wall{display:grid;grid-template-columns:repeat(6,1fr);gap:16px;margin-bottom:48px}
.logo-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
  height:74px;display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:600;color:var(--muted);filter:grayscale(1);opacity:.72;
  box-shadow:var(--sh1);transition:all .25s ease;text-align:center;padding:0 10px;line-height:1.4;
}
.logo-item:hover{filter:grayscale(0);opacity:1;color:var(--ink);box-shadow:var(--sh2);transform:translateY(-2px)}
.quote-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.quote-card{
  grid-column:span 4;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:30px;box-shadow:var(--sh1);display:flex;flex-direction:column;gap:18px;
  transition:box-shadow .2s ease,transform .2s ease;
}
.quote-card:hover{box-shadow:var(--sh2);transform:translateY(-2px)}
.quote-card .quote-mark{font-size:22px;color:var(--orange);line-height:1}
.quote-card p{font-size:15px;color:var(--text);line-height:1.85;flex:1}
.quote-person{display:flex;align-items:center;gap:12px;padding-top:16px;border-top:1px solid var(--line)}
.avatar{
  width:42px;height:42px;border-radius:50%;background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;flex:0 0 auto;
}
.quote-person strong{display:block;font-size:14px;color:var(--ink)}
.quote-person span{display:block;font-size:12px;color:var(--muted);line-height:1.6}
.metric-strip{
  margin-top:48px;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  background:var(--grad);border-radius:var(--r-xl);padding:36px;box-shadow:var(--sh2);
}
.metric-strip li{text-align:center;color:#fff;border-right:1px solid rgba(255,255,255,.16)}
.metric-strip li:last-child{border-right:0}
.metric-strip .m-num{font-size:30px;font-weight:800;line-height:1.2}
.metric-strip .m-num .m-unit{font-size:14px;font-weight:600;margin-left:2px;color:var(--lime)}
.metric-strip .m-label{font-size:13px;color:rgba(255,255,255,.78)}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh1);display:flex;flex-direction:column;
  transition:box-shadow .22s ease,transform .22s ease;
}
.news-card:hover{box-shadow:var(--sh2);transform:translateY(-3px)}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--chip)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.tag{
  display:inline-block;font-size:12px;font-weight:600;color:var(--ink);
  background:var(--chip);padding:4px 12px;border-radius:var(--r-pill);align-self:flex-start;
}
.news-body h3{font-size:18px;font-weight:700;line-height:1.45;color:var(--ink);transition:color .2s ease}
.news-card:hover .news-body h3{color:var(--ink-light)}
.news-body .excerpt{font-size:14px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);
}
.news-meta i{margin-right:6px;font-size:12px}
.empty-state{
  grid-column:1/-1;background:#fff;border:1px dashed #CFE3DA;border-radius:var(--r-lg);
  padding:56px 24px;text-align:center;color:var(--muted);
}
.empty-state .empty-icon{
  width:62px;height:62px;border-radius:50%;background:var(--chip);color:var(--ink-light);
  display:flex;align-items:center;justify-content:center;font-size:24px;margin:0 auto 18px;
}
.empty-state p{font-size:15px}

/* ---------- faq ---------- */
.faq-wrap{max-width:800px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh1);margin-bottom:14px;overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item:hover{border-color:#CFE3DA}
.faq-item.is-open{box-shadow:var(--sh2);border-color:#CFE3DA}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 26px;text-align:left;font-size:17px;font-weight:600;color:var(--ink);
}
.faq-q .plus{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--chip);color:var(--ink);
  display:flex;align-items:center;justify-content:center;font-size:13px;
  transition:transform .25s ease,background-color .25s ease,color .25s ease;
}
.faq-item.is-open .faq-q .plus{transform:rotate(45deg);background:var(--ink-light);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a-inner{padding:0 26px 24px;font-size:15px;color:var(--muted);line-height:1.85}

/* ---------- cta band ---------- */
.cta-band{
  background:var(--grad-soft);border-radius:var(--r-xl);padding:56px;
  display:grid;grid-template-columns:1.4fr 1fr;gap:32px;align-items:center;
  box-shadow:var(--sh3);position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;width:340px;height:340px;right:-100px;top:-140px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,241,78,.32) 0%,rgba(200,241,78,0) 70%);
}
.cta-band h2{color:#fff;font-size:30px;line-height:1.35;margin-bottom:14px;position:relative;z-index:2}
.cta-band p{color:rgba(255,255,255,.86);font-size:16px;position:relative;z-index:2;max-width:560px}
.cta-band-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;position:relative;z-index:2}
.cta-band .btn-ghost{background:rgba(255,255,255,.94)}
.cta-band .btn-ghost:hover{background:#fff;color:var(--ink)}
.cta-band .btn-lime{background:var(--lime);color:#0B2A24;box-shadow:var(--sh2)}
.cta-band .btn-lime:hover{color:#0B2A24;box-shadow:var(--sh3);transform:translateY(-2px)}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.8);padding:64px 0 0;margin-top:var(--sp-xl)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.footer-brand .brand-mark{background:rgba(255,255,255,.12)}
.footer-brand .brand-text{color:#fff}
.footer-about{font-size:14px;line-height:1.9;color:rgba(255,255,255,.68);max-width:320px}
.footer-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.7)}
.footer-col a:hover{color:var(--lime)}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.7);display:flex;gap:10px;align-items:flex-start;line-height:1.8}
.footer-contact i{color:var(--lime);font-size:13px;margin-top:6px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0;
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom .fb-links{display:flex;gap:18px;flex-wrap:wrap}
.footer-bottom a{color:rgba(255,255,255,.55)}
.footer-bottom a:hover{color:var(--lime)}

/* ---------- convert bar ---------- */
.convert-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:300;
  background:#fff;box-shadow:0 -12px 32px rgba(15,61,51,.14);
  transform:translateY(110%);opacity:0;transition:transform .3s ease,opacity .3s ease;
}
.convert-bar.is-visible{transform:translateY(0);opacity:1}
.convert-bar.is-hidden{display:none}
.convert-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px}
.convert-text{font-size:15px;color:var(--ink);font-weight:600;display:flex;align-items:center;gap:10px}
.convert-text i{color:var(--orange);font-size:13px}
.convert-actions{display:flex;align-items:center;gap:10px}
.convert-close{
  width:32px;height:32px;border-radius:50%;background:var(--bg);color:var(--muted);
  display:flex;align-items:center;justify-content:center;font-size:15px;transition:all .2s ease;
}
.convert-close:hover{background:var(--chip);color:var(--ink)}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .nav-link{padding:8px 9px;font-size:14px}
  .search-box{width:180px}
  .hero h1{font-size:36px}
}
@media (max-width:991px){
  :root{--sp-xl:53px;--sp-lg:38px;--sp-md:29px}
  .main-nav{display:none}
  .header-tools .search-box,.header-tools .btn{display:none}
  .nav-toggle{display:inline-flex}
  .header-inner{height:68px;gap:16px}
  .site-header.is-scrolled .header-inner{height:62px}
  .mobile-panel{inset:68px 0 0 0}
  .hero{padding:52px 0 60px}
  .hero-grid{gap:32px}
  .hero-copy,.hero-visual{grid-column:span 12}
  .hero h1{font-size:30px}
  .hero-sub{font-size:16px;max-width:none}
  .strength-feature,.strength-side{grid-column:span 12}
  .strength-feature{min-height:auto;padding:32px}
  .flow-aside,.flow-steps{grid-column:span 12}
  .flow-aside-inner{position:static}
  .quote-card{grid-column:span 6}
  .logo-wall{grid-template-columns:repeat(3,1fr)}
  .metric-strip{grid-template-columns:repeat(2,1fr);gap:28px;padding:30px}
  .metric-strip li:nth-child(2){border-right:0}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .cta-band{grid-template-columns:1fr;padding:38px 28px}
  .cta-band-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .hero h1{font-size:30px}
  .section h2,.cta-band h2{font-size:24px}
  .section-head{flex-direction:column;align-items:flex-start;margin-bottom:28px}
  .stat-badges li{flex:1 1 44%;min-width:0;padding:10px 14px}
  .news-grid{grid-template-columns:1fr}
  .quote-card{grid-column:span 12}
  .logo-wall{grid-template-columns:repeat(2,1fr)}
  .metric-strip{grid-template-columns:1fr;gap:20px}
  .metric-strip li{border-right:0;border-bottom:1px solid rgba(255,255,255,.16);padding-bottom:16px}
  .metric-strip li:last-child{border-bottom:0;padding-bottom:0}
  .faq-q{font-size:16px;padding:18px 20px}
  .faq-a-inner{padding:0 20px 20px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .cta-band-actions{width:100%}
  .cta-band-actions .btn{flex:1 1 auto}
  .convert-inner{height:56px}
  .convert-text{font-size:13px}
  .convert-text span{display:inline}
  .brand-text{font-size:17px}
  .site-footer{padding-top:48px}
}
@media (max-width:520px){
  .hero h1{font-size:26px}
  .hero-actions .btn{width:100%}
  .strength-card{flex-direction:column;gap:14px}
  .convert-text .txt-full{display:none}
}

/* roulang page: category1 */
:root{
  --brand-900:#0B2A24;
  --brand-800:#0F3D33;
  --brand-600:#14795C;
  --brand-050:#E6F1EC;
  --accent-orange:#FF6B35;
  --accent-lime:#C8F14E;
  --bg-page:#F5F7F4;
  --bg-card:#FFFFFF;
  --line:#E2E7E0;
  --text:#26302C;
  --text-soft:#5F6E68;
  --text-disabled:#9AA6A0;
  --danger:#D64545;
  --grad-brand:linear-gradient(145deg,#0F3D33 0%,#14795C 100%);
  --grad-soft:linear-gradient(145deg,#0F3D33 0%,#14795C 82%,#C8F14E 100%);
  --r-lg:28px;
  --r-md:20px;
  --r-sm:14px;
  --r-pill:999px;
  --sh-l1:0 2px 8px rgba(15,61,51,.06);
  --sh-l2:0 10px 28px rgba(15,61,51,.10);
  --sh-l3:0 24px 60px rgba(15,61,51,.14);
  --gap-xl:88px;
  --gap-lg:64px;
  --gap-md:48px;
  --font:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;font-family:var(--font);font-size:16px;line-height:1.8;color:var(--text);
  background:var(--bg-page);font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-600);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--brand-800);}
h1,h2,h3,h4{margin:0 0 .6em;line-height:1.3;color:var(--brand-800);}
h1{font-size:40px;font-weight:800;letter-spacing:-.5px;}
h2{font-size:30px;font-weight:700;}
h3{font-size:20px;font-weight:700;}
h4{font-size:17px;font-weight:700;}
p{margin:0 0 1.1em;color:var(--text);}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(20,121,92,.35);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:var(--gap-xl) 0;}
.section--tight{padding:var(--gap-lg) 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head p{color:var(--text-soft);margin-bottom:0;}
.eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:2px;color:var(--brand-600);
  background:var(--brand-050);border-radius:var(--r-pill);padding:5px 14px;margin-bottom:14px;}
.divider{height:1px;background:var(--line);border:0;margin:0;}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);border:1px solid transparent;font-weight:600;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .25s ease,border-color .2s ease,color .2s ease;
  white-space:nowrap;text-align:center;}
.btn-sm{height:32px;padding:0 18px;font-size:13px;}
.btn-md{height:44px;padding:0 24px;font-size:15px;}
.btn-lg{height:52px;padding:0 28px;font-size:16px;}
.btn-primary{background-image:var(--grad-soft);background-size:180% 180%;background-position:0% 50%;color:#fff;box-shadow:var(--sh-l1);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);background-position:8% 50%;box-shadow:var(--sh-l2),inset 0 0 0 1px rgba(200,241,78,.35);}
.btn-primary:active{transform:translateY(1px);box-shadow:var(--sh-l1);}
.btn-outline{background:transparent;border-color:var(--brand-600);color:var(--brand-600);}
.btn-outline:hover{border-color:var(--brand-800);color:var(--brand-800);transform:translateY(-2px);box-shadow:var(--sh-l2);}
.btn-ghost{background:#EDF2EE;color:var(--brand-800);}
.btn-ghost:hover{background:#E2EAE4;transform:translateY(-2px);box-shadow:var(--sh-l2);}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;pointer-events:none;}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(245,247,244,.92);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .25s ease,background .25s ease;}
.site-header.is-scrolled{background:#fff;box-shadow:var(--sh-l1);}
.header-inner{display:flex;align-items:center;gap:20px;height:76px;transition:height .25s ease;}
.site-header.is-scrolled .header-inner{height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--grad-brand);border-radius:9px;}
.brand-mark svg{width:19px;height:19px;}
.brand-text{font-size:18px;font-weight:800;color:var(--brand-800);letter-spacing:.5px;}
.nav-list{display:flex;align-items:center;gap:6px;}
.nav-link{display:block;padding:8px 12px;font-size:15px;color:var(--text-soft);border-radius:var(--r-sm);
  position:relative;font-weight:500;}
.nav-link:hover{color:var(--brand-800);background:#EDF2EE;}
.nav-link.is-active{color:var(--brand-800);font-weight:600;}
.nav-link.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;
  background:var(--brand-600);border-radius:2px;}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
.search-box{position:relative;display:flex;align-items:center;}
.search-box i{position:absolute;left:14px;color:var(--text-soft);font-size:13px;}
.search-box input{height:44px;width:190px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:#fff;padding:0 16px 0 38px;font-size:14px;color:var(--text);box-shadow:inset 0 1px 2px rgba(15,61,51,.04);}
.search-box input::placeholder{color:var(--text-disabled);}
.search-box input:focus{outline:none;border-color:var(--brand-600);box-shadow:0 0 0 3px rgba(20,121,92,.18);}
.nav-toggle{display:none;width:44px;height:44px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:#fff;color:var(--brand-800);font-size:18px;}
.mobile-panel{display:none;border-top:1px solid var(--line);background:#fff;padding:16px 0 22px;}
.mobile-panel.is-open{display:block;}
.mobile-panel .nav-list{flex-direction:column;align-items:stretch;gap:4px;}
.mobile-panel .nav-link{padding:12px 14px;background:#F7F9F6;border-radius:var(--r-sm);margin-bottom:6px;font-size:15px;}
.mobile-panel .m-actions{display:grid;gap:10px;margin-top:12px;}
.mobile-panel .btn{width:100%;}

/* ---------- 分类 Hero ---------- */
.cat-hero{position:relative;overflow:hidden;border-radius:0 0 var(--r-lg) var(--r-lg);
  background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;
  padding:56px 0 64px;color:#fff;}
.cat-hero::before{content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(11,42,36,.94) 0%,rgba(15,61,51,.86) 52%,rgba(20,121,92,.72) 100%);}
.cat-hero::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(200,241,78,.22) 0%,rgba(200,241,78,0) 68%);}
.cat-hero .container{position:relative;z-index:2;}
.crumb{font-size:14px;color:rgba(255,255,255,.72);margin-bottom:18px;}
.crumb a{color:rgba(255,255,255,.9);}
.crumb a:hover{color:var(--accent-lime);}
.crumb span.sep{margin:0 8px;opacity:.6;}
.cat-hero h1{color:#fff;max-width:820px;font-size:40px;}
.cat-hero p.lede{font-size:17px;color:rgba(255,255,255,.84);max-width:660px;margin-bottom:26px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;}
.hero-tag{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:#fff;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);border-radius:var(--r-pill);padding:6px 14px;}
.hero-tag i{color:var(--accent-lime);font-size:12px;}

/* ---------- 图文交替长条 ---------- */
.alt-row{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:center;
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-l1);overflow:hidden;margin-bottom:32px;transition:box-shadow .25s ease,transform .25s ease;}
.alt-row:hover{box-shadow:var(--sh-l2);transform:translateY(-2px);}
.alt-row.is-reverse{grid-template-columns:7fr 5fr;}
.alt-row.is-reverse .alt-media{order:2;}
.alt-row.is-reverse .alt-body{order:1;}
.alt-media{position:relative;height:100%;min-height:290px;}
.alt-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.alt-media .media-badge{position:absolute;left:16px;bottom:16px;background:rgba(11,42,36,.86);
  color:#fff;font-size:12px;font-weight:600;border-radius:var(--r-pill);padding:6px 14px;
  display:inline-flex;align-items:center;gap:6px;}
.alt-media .media-badge i{color:var(--accent-lime);}
.alt-body{padding:38px 40px;}
.alt-body h3{margin-bottom:12px;}
.alt-body p{color:var(--text-soft);margin-bottom:18px;}
.alt-list{display:grid;gap:10px;margin-bottom:22px;}
.alt-list li{position:relative;padding-left:22px;font-size:15px;color:var(--text);}
.alt-list li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;
  background:var(--brand-600);}
.alt-num{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;
  border-radius:11px;background:var(--brand-050);color:var(--brand-600);font-weight:800;font-size:14px;margin-bottom:14px;}

/* ---------- 指标徽章条 ---------- */
.metric-strip{background:var(--brand-800);border-radius:var(--r-lg);padding:38px 40px;color:#fff;
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;box-shadow:var(--sh-l2);position:relative;overflow:hidden;}
.metric-strip::after{content:"";position:absolute;right:-80px;bottom:-120px;width:340px;height:340px;
  background:radial-gradient(circle,rgba(200,241,78,.18) 0%,rgba(200,241,78,0) 70%);}
.metric{position:relative;z-index:2;}
.metric .num{font-size:30px;font-weight:800;color:#fff;line-height:1.2;}
.metric .num span{font-size:13px;font-weight:600;color:var(--accent-lime);margin-left:4px;}
.metric .label{font-size:14px;color:rgba(255,255,255,.72);margin-top:6px;}

/* ---------- 场景标签 ---------- */
.chip-grid{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.chip{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-pill);padding:10px 18px;font-size:14px;color:var(--text);box-shadow:var(--sh-l1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .2s ease;}
.chip:hover{transform:translateY(-2px);box-shadow:var(--sh-l2);border-color:var(--brand-600);}
.chip i{color:var(--brand-600);font-size:13px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;margin:0 auto;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);margin-bottom:14px;
  box-shadow:var(--sh-l1);overflow:hidden;transition:box-shadow .2s ease;}
.faq-item:hover{box-shadow:var(--sh-l2);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:0;padding:20px 24px;font-size:17px;font-weight:600;color:var(--brand-800);
  text-align:left;cursor:pointer;}
.faq-q .ico{flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--brand-050);color:var(--brand-600);
  display:inline-flex;align-items:center;justify-content:center;transition:transform .25s ease;font-size:13px;}
.faq-item.is-open .faq-q .ico{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{padding:0 24px 20px;margin:0;font-size:15px;color:var(--text-soft);line-height:1.8;}

/* ---------- 底部 CTA ---------- */
.cta-card{background-image:var(--grad-soft);border-radius:var(--r-lg);padding:56px 48px;color:#fff;
  box-shadow:var(--sh-l3);position:relative;overflow:hidden;display:grid;
  grid-template-columns:1fr auto;gap:32px;align-items:center;}
.cta-card::after{content:"";position:absolute;right:-90px;top:-110px;width:360px;height:360px;
  background:radial-gradient(circle,rgba(200,241,78,.26) 0%,rgba(200,241,78,0) 70%);}
.cta-card h2{color:#fff;margin-bottom:10px;}
.cta-card p{color:rgba(255,255,255,.86);margin:0;max-width:620px;}
.cta-actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap;}
.cta-card .btn-outline{border-color:rgba(255,255,255,.7);color:#fff;}
.cta-card .btn-outline:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.12);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.8);padding:64px 0 26px;margin-top:var(--gap-xl);}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{width:30px;height:30px;background:rgba(255,255,255,.08);border-radius:10px;}
.footer-brand .brand-text{color:#fff;font-size:18px;font-weight:800;}
.footer-about{font-size:14px;color:rgba(255,255,255,.66);line-height:1.8;margin:0;max-width:320px;}
.footer-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-col ul a:hover{color:var(--accent-lime);}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.72);align-items:flex-start;}
.footer-contact i{color:var(--accent-lime);margin-top:6px;font-size:13px;}
.footer-bottom{margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.6);}
.fb-links{display:flex;gap:18px;}
.fb-links a{color:rgba(255,255,255,.66);font-size:13px;}
.fb-links a:hover{color:var(--accent-lime);}

/* ---------- 底部固定转化条 ---------- */
.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:80;background:#fff;box-shadow:0 -10px 30px rgba(15,61,51,.14);
  height:64px;display:flex;align-items:center;opacity:0;transform:translateY(100%);pointer-events:none;
  transition:opacity .2s ease,transform .2s ease;}
.sticky-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto;}
.sticky-cta .container{display:flex;align-items:center;gap:20px;width:100%;}
.sticky-cta .txt{font-size:15px;color:var(--text);flex:1 1 auto;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.sticky-cta .close{width:34px;height:34px;border-radius:50%;border:1px solid var(--line);background:#fff;
  color:var(--text-soft);cursor:pointer;font-size:15px;line-height:1;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  h1,.cat-hero h1{font-size:36px;}
  .search-box input{width:150px;}
  .nav-link{padding:8px 9px;font-size:14px;}
}
@media (max-width:991px){
  :root{--gap-xl:52px;--gap-lg:40px;--gap-md:32px;}
  .main-nav,.header-actions .search-box,.header-actions .btn-outline{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .header-inner{height:64px;}
  h2{font-size:24px;}
  h1,.cat-hero h1{font-size:30px;}
  .cat-hero{padding:40px 0 48px;}
  .alt-row,.alt-row.is-reverse{grid-template-columns:1fr;}
  .alt-row.is-reverse .alt-media,.alt-row.is-reverse .alt-body{order:0;}
  .alt-media{min-height:220px;}
  .alt-body{padding:28px 26px;}
  .metric-strip{grid-template-columns:repeat(2,1fr);padding:30px 26px;gap:20px;}
  .cta-card{grid-template-columns:1fr;padding:40px 28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  body{font-size:16px;}
  h1,.cat-hero h1{font-size:30px;}
  .section{padding:48px 0;}
  .metric-strip{grid-template-columns:1fr;gap:18px;}
  .metric .num{font-size:26px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .sticky-cta{height:56px;}
  .sticky-cta .txt{font-size:13px;}
  .btn-lg{height:48px;font-size:15px;padding:0 22px;}
  .cta-card{padding:32px 22px;}
}
@media (max-width:520px){
  .hero-tags{gap:8px;}
  .hero-tag{font-size:12px;padding:5px 11px;}
  .alt-body{padding:22px 18px;}
  .search-box input{width:100%;}
}

/* roulang page: article */
:root{
  --green-900:#0B2A24;
  --green-800:#0F3D33;
  --green-600:#14795C;
  --green-100:#E6F1EC;
  --orange:#FF6B35;
  --lime:#C8F14E;
  --bg:#F5F7F4;
  --card:#FFFFFF;
  --line:#E2E7E0;
  --text:#26302C;
  --muted:#5F6E68;
  --disabled:#9AA6A0;
  --error:#D64545;
  --grad:linear-gradient(145deg,#0F3D33 0%,#14795C 100%);
  --grad-soft:linear-gradient(145deg,#0F3D33 0%,#14795C 88%,#C8F14E 100%);
  --r-lg:28px;
  --r-md:20px;
  --r-sm:14px;
  --r-pill:999px;
  --s1:0 2px 8px rgba(15,61,51,.06);
  --s2:0 10px 28px rgba(15,61,51,.10);
  --s3:0 24px 60px rgba(15,61,51,.14);
  --space-lg:88px;
  --space-md:64px;
  --space-sm:48px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
img{display:block;max-width:100%;height:auto;}
a{color:var(--green-600);text-decoration:none;transition:color .22s ease,background .22s ease,border-color .22s ease,box-shadow .22s ease,transform .22s ease;}
a:hover{color:var(--green-800);}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:3px solid rgba(20,121,92,.35);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.nums{font-variant-numeric:tabular-nums;}

/* ============ 顶栏 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(245,247,244,.86);
  backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid transparent;
  transition:background .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.96);
  border-bottom-color:var(--line);
  box-shadow:var(--s1);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:76px;
  transition:height .3s ease;
}
.site-header.is-scrolled .header-inner{height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  background:var(--grad);
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--s1);
}
.brand-mark svg{width:22px;height:22px;}
.brand-text{
  font-size:19px;font-weight:800;letter-spacing:.5px;color:var(--green-800);
}
.brand:hover .brand-text{color:var(--green-600);}
.main-nav{flex:1 1 auto;display:flex;justify-content:center;}
.nav-list{display:flex;align-items:center;gap:4px;}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 14px;
  font-size:15px;
  color:var(--text);
  border-radius:var(--r-pill);
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--green-600);
  border-radius:2px;
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .25s ease;
}
.nav-link:hover{color:var(--green-800);background:var(--green-100);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--green-800);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-search{
  position:relative;
  display:flex;align-items:center;
}
.nav-search i{
  position:absolute;left:14px;font-size:13px;color:var(--muted);pointer-events:none;
}
.nav-search input{
  width:200px;height:40px;
  padding:0 16px 0 36px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:#fff;
  font-size:14px;
  box-shadow:inset 0 1px 2px rgba(15,61,51,.04);
  transition:border-color .22s ease,box-shadow .22s ease,width .25s ease;
}
.nav-search input::placeholder{color:var(--disabled);}
.nav-search input:focus{
  outline:none;
  border-color:var(--green-600);
  box-shadow:0 0 0 3px rgba(20,121,92,.18);
  width:230px;
}
.nav-toggle{
  display:none;
  width:40px;height:40px;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  background:#fff;
  color:var(--green-800);
  font-size:16px;
}
.nav-toggle:hover{border-color:var(--green-600);color:var(--green-600);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);
  font-weight:600;
  line-height:1;
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .22s ease,background .3s ease,border-color .22s ease,color .22s ease;
  white-space:nowrap;
}
.btn-sm{height:36px;padding:0 18px;font-size:14px;}
.btn-md{height:44px;padding:0 24px;font-size:15px;}
.btn-lg{height:52px;padding:0 28px;font-size:16px;}
.btn-primary{
  background:var(--grad);
  background-size:180% 180%;
  background-position:0% 50%;
  color:#fff;
  box-shadow:var(--s2);
}
.btn-primary:hover{
  color:#fff;
  background-position:18% 50%;
  transform:translateY(-2px);
  box-shadow:var(--s3),inset 0 0 0 1px rgba(200,241,78,.35);
}
.btn-primary:active{transform:translateY(1px);}
.btn-outline{
  background:transparent;
  border-color:var(--green-600);
  color:var(--green-600);
}
.btn-outline:hover{
  background:var(--green-100);
  color:var(--green-800);
  transform:translateY(-2px);
  box-shadow:var(--s2);
}
.btn-ghost{
  background:#fff;
  border-color:var(--line);
  color:var(--green-800);
}
.btn-ghost:hover{
  border-color:var(--green-600);
  color:var(--green-600);
  transform:translateY(-2px);
  box-shadow:var(--s1);
}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;pointer-events:none;}

/* ============ 移动抽屉 ============ */
.mobile-drawer{
  display:none;
  position:fixed;
  inset:0;
  z-index:120;
  background:rgba(11,42,36,.55);
  opacity:0;
  visibility:hidden;
  transition:opacity .28s ease,visibility .28s ease;
}
.mobile-drawer.is-open{opacity:1;visibility:visible;display:block;}
.drawer-panel{
  position:absolute;top:0;right:0;
  width:min(88vw,360px);
  height:100%;
  background:#fff;
  padding:24px 22px 32px;
  display:flex;flex-direction:column;gap:20px;
  transform:translateX(100%);
  transition:transform .32s ease;
  overflow-y:auto;
}
.mobile-drawer.is-open .drawer-panel{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{
  width:38px;height:38px;border-radius:var(--r-sm);
  border:1px solid var(--line);color:var(--green-800);font-size:16px;
}
.drawer-list{display:flex;flex-direction:column;gap:6px;}
.drawer-list a{
  display:block;
  padding:13px 14px;
  border-radius:var(--r-sm);
  color:var(--text);
  font-size:15px;
  border:1px solid transparent;
}
.drawer-list a:hover,.drawer-list a.is-active{
  background:var(--green-100);
  border-color:rgba(20,121,92,.18);
  color:var(--green-800);
  font-weight:600;
}
.drawer-actions{display:flex;flex-direction:column;gap:12px;}
.drawer-actions .btn{width:100%;}

/* ============ 页面主体 ============ */
.page-band{
  height:6px;
  background:var(--grad-soft);
}
.article-shell{
  padding:40px 0 72px;
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;
  color:var(--muted);
  margin-bottom:22px;
}
.breadcrumb a{color:var(--green-600);}
.breadcrumb a:hover{color:var(--green-800);text-decoration:underline;}
.breadcrumb .bc-sep{color:var(--disabled);}
.breadcrumb .bc-cur{color:var(--muted);}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:40px;
}
.article-head{
  max-width:820px;
  margin:0 auto;
  padding-bottom:26px;
  border-bottom:1px solid var(--line);
}
.article-tagline{
  display:inline-flex;align-items:center;gap:8px;
  height:28px;padding:0 14px;
  border-radius:var(--r-pill);
  background:var(--green-100);
  color:var(--green-800);
  font-size:12px;
  font-weight:600;
  letter-spacing:.4px;
}
.article-tagline i{color:var(--orange);font-size:11px;}
.article-head h1{
  margin:18px 0 16px;
  font-size:40px;
  line-height:1.3;
  font-weight:800;
  color:var(--green-800);
  letter-spacing:.2px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  font-size:14px;
  color:var(--muted);
}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{color:var(--green-600);font-size:13px;}
.article-meta .meta-cat{
  padding:4px 12px;
  border-radius:var(--r-pill);
  background:#fff;
  border:1px solid var(--line);
  color:var(--green-800);
  font-weight:600;
  font-size:13px;
}

/* ============ 正文 ============ */
.article-body{
  max-width:760px;
  margin:0 auto;
  padding-top:34px;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
}
.article-body > * + *{margin-top:1.4em;}
.article-body p{margin:0;}
.article-body h2{
  font-size:30px;
  line-height:1.3;
  font-weight:700;
  color:var(--green-800);
  margin-top:1.7em;
  padding-left:16px;
  border-left:5px solid var(--green-600);
  scroll-margin-top:100px;
}
.article-body h3{
  font-size:20px;
  line-height:1.4;
  font-weight:700;
  color:var(--green-800);
  margin-top:1.6em;
}
.article-body h4{
  font-size:17px;
  font-weight:600;
  color:var(--green-800);
  margin-top:1.4em;
}
.article-body ul,.article-body ol{margin-left:1.2em;padding-left:.4em;}
.article-body ul li,.article-body ol li{position:relative;margin-top:.6em;line-height:1.8;}
.article-body ul li{padding-left:22px;}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.78em;
  width:8px;height:8px;border-radius:50%;
  background:var(--green-600);
}
.article-body ol{list-style:decimal;margin-left:1.4em;}
.article-body ol li{padding-left:6px;}
.article-body ol li::marker{color:var(--green-600);font-weight:700;}
.article-body strong{color:var(--green-800);font-weight:700;}
.article-body blockquote{
  margin:1.6em 0;
  padding:18px 22px;
  background:#fff;
  border-left:4px solid var(--green-600);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:#33403B;
  box-shadow:var(--s1);
}
.article-body blockquote p{font-size:15.5px;}
.article-body img{
  border-radius:var(--r-md);
  box-shadow:var(--s2);
  margin:1.8em auto;
  width:100%;
}
.article-body figure{margin:1.8em 0;}
.article-body figcaption{
  margin-top:10px;
  text-align:center;
  font-size:13px;
  color:var(--muted);
}
.article-body a{color:var(--green-600);text-decoration:underline;}
.article-body a:hover{color:var(--green-800);}
.article-body hr{
  border:0;height:1px;background:var(--line);margin:2.2em 0;
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:1.8em 0;
  font-size:15px;
  background:#fff;
  border-radius:var(--r-sm);
  overflow:hidden;
  box-shadow:var(--s1);
}
.article-body thead th{
  background:var(--green-800);
  color:#fff;
  font-weight:600;
  text-align:left;
  padding:13px 16px;
}
.article-body tbody td{
  padding:12px 16px;
  border-top:1px solid var(--line);
}
.article-body tbody tr:nth-child(even){background:#F7FAF7;}
.article-body tbody tr:hover{background:var(--green-100);}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:14px;
  background:#EEF2EE;
  padding:2px 7px;
  border-radius:6px;
  color:#1E4D3F;
}
.article-body pre{
  background:#EEF2EE;
  border-radius:var(--r-sm);
  padding:18px 20px;
  overflow-x:auto;
  font-size:14px;
  line-height:1.7;
}
.article-body pre code{background:none;padding:0;}
.article-empty{
  max-width:760px;
  margin:0 auto;
  padding:56px 30px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--s1);
  text-align:center;
}
.article-empty h2{
  font-size:24px;font-weight:700;color:var(--green-800);margin-bottom:12px;
}
.article-empty p{color:var(--muted);margin-bottom:24px;}

/* ============ 标签 / 上下篇 ============ */
.article-foot{
  max-width:760px;
  margin:52px auto 0;
  padding-top:28px;
  border-top:1px solid var(--line);
}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.tag-row .tag-label{font-size:14px;color:var(--muted);}
.tag{
  display:inline-flex;align-items:center;
  height:30px;padding:0 14px;
  border-radius:var(--r-pill);
  background:#fff;
  border:1px solid var(--line);
  font-size:13px;
  color:var(--green-800);
}
a.tag:hover{border-color:var(--green-600);color:var(--green-600);transform:translateY(-2px);box-shadow:var(--s1);}
.post-nav{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
  margin-top:34px;
}
.post-nav-card{
  display:block;
  padding:20px 22px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--s1);
}
.post-nav-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--s2);
  border-color:rgba(20,121,92,.3);
}
.post-nav-card .pn-label{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);margin-bottom:8px;
}
.post-nav-card .pn-label i{color:var(--orange);}
.post-nav-card .pn-title{
  font-size:17px;font-weight:600;color:var(--green-800);line-height:1.5;
}
.post-nav-card:hover .pn-title{color:var(--green-600);}
.back-cat{
  display:inline-flex;align-items:center;gap:8px;
  margin-top:28px;
  font-size:14px;
  color:var(--green-600);
}
.back-cat:hover{gap:12px;color:var(--green-800);}

/* ============ 相关推荐 ============ */
.section{padding:var(--space-md) 0;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:32px;
}
.section-head h2{
  font-size:30px;font-weight:700;color:var(--green-800);line-height:1.3;
}
.section-head p{font-size:15px;color:var(--muted);margin-top:8px;}
.text-link{font-size:15px;font-weight:600;color:var(--green-600);}
.text-link:hover{color:var(--green-800);}
.rec-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.rec-card{
  display:flex;flex-direction:column;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--s1);
  overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.rec-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--s2);
  border-color:rgba(20,121,92,.3);
}
.rec-thumb{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:linear-gradient(145deg,#0F3D33,#14795C);
}
.rec-thumb img{width:100%;height:100%;object-fit:cover;}
.rec-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rec-cat{
  align-self:flex-start;
  padding:3px 12px;
  border-radius:var(--r-pill);
  background:var(--green-100);
  color:var(--green-800);
  font-size:12px;
  font-weight:600;
}
.rec-body h3{font-size:17px;font-weight:600;line-height:1.5;color:var(--green-800);}
.rec-card:hover .rec-body h3{color:var(--green-600);}
.rec-body .rec-desc{font-size:14px;color:var(--muted);line-height:1.7;}
.rec-meta{
  display:flex;align-items:center;gap:8px;
  margin-top:auto;
  font-size:13px;color:var(--disabled);
}
.rec-meta i{color:var(--orange);font-size:12px;}

/* ============ 底部 CTA ============ */
.cta-section{padding:var(--space-sm) 0 var(--space-lg);}
.cta-card{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-lg);
  padding:60px 56px;
  background:var(--grad);
  color:#fff;
  box-shadow:var(--s3);
}
.cta-card::after{
  content:"";
  position:absolute;
  right:-90px;bottom:-120px;
  width:320px;height:320px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(200,241,78,.28),rgba(200,241,78,0) 68%);
  pointer-events:none;
}
.cta-inner{position:relative;z-index:2;max-width:640px;}
.cta-inner h2{
  font-size:30px;font-weight:700;line-height:1.35;color:#fff;margin-bottom:14px;
}
.cta-inner p{font-size:16px;color:rgba(255,255,255,.82);margin-bottom:28px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.cta-card .btn-primary{
  background:#fff;
  color:var(--green-800);
  background-image:none;
}
.cta-card .btn-primary:hover{color:var(--green-800);box-shadow:0 18px 40px rgba(0,0,0,.22);}
.cta-card .btn-outline{
  border-color:rgba(255,255,255,.6);
  color:#fff;
}
.cta-card .btn-outline:hover{
  background:rgba(255,255,255,.14);
  border-color:#fff;
  color:#fff;
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--green-900);
  color:rgba(255,255,255,.8);
  padding:66px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.08);box-shadow:none;}
.footer-brand .brand-text{color:#fff;font-size:18px;}
.footer-about{font-size:14px;line-height:1.85;color:rgba(255,255,255,.68);max-width:340px;}
.footer-col h3{
  font-size:15px;font-weight:600;color:#fff;margin-bottom:18px;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col ul a{
  font-size:14px;color:rgba(255,255,255,.72);
}
.footer-col ul a:hover{color:var(--lime);}
.footer-contact li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:14px;color:rgba(255,255,255,.72);
}
.footer-contact i{margin-top:6px;color:var(--lime);font-size:13px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  padding-top:22px;
  font-size:13px;
  color:rgba(255,255,255,.55);
}
.footer-bottom .fb-links{display:flex;gap:20px;}
.footer-bottom .fb-links a{font-size:13px;color:rgba(255,255,255,.6);}
.footer-bottom .fb-links a:hover{color:var(--lime);}

/* ============ 底部转化条 ============ */
.float-bar{
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:90;
  background:#fff;
  box-shadow:0 -12px 34px rgba(15,61,51,.14);
  transform:translateY(110%);
  opacity:0;
  transition:transform .3s ease,opacity .3s ease;
}
.float-bar.is-show{transform:translateY(0);opacity:1;}
.fb-inner{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:64px;
  padding-top:10px;padding-bottom:10px;
}
.fb-text{
  font-size:15px;color:var(--green-800);display:flex;align-items:center;gap:10px;
}
.fb-text i{color:var(--orange);}
.fb-actions{display:flex;align-items:center;gap:10px;}
.fb-close{
  width:32px;height:32px;border-radius:50%;
  background:var(--bg);color:var(--muted);font-size:15px;line-height:1;
}
.fb-close:hover{background:var(--green-100);color:var(--green-800);}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .nav-search input{width:160px;}
  .nav-search input:focus{width:190px;}
  .nav-link{padding:8px 11px;font-size:14.5px;}
}
@media (max-width:1023px){
  .main-nav{display:none;}
  .nav-search{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .header-inner{height:68px;gap:16px;}
  .header-actions .btn-ghost{display:none;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .rec-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:calc(var(--space-md) * .6) 0;}
  .cta-section{padding:calc(var(--space-sm) * .6) 0 calc(var(--space-lg) * .6);}
  .article-shell{padding:24px 0 48px;}
  .article-head h1{font-size:30px;}
  .article-body{padding-top:26px;font-size:16px;}
  .article-body h2{font-size:24px;padding-left:12px;border-left-width:4px;}
  .article-body h3{font-size:18px;}
  .article-body table{font-size:14px;}
  .article-body thead th,.article-body tbody td{padding:10px 12px;}
  .post-nav{grid-template-columns:minmax(0,1fr);}
  .rec-grid{grid-template-columns:minmax(0,1fr);}
  .cta-card{padding:36px 24px;border-radius:var(--r-md);}
  .cta-inner h2{font-size:24px;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:30px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
  .fb-inner{min-height:56px;}
  .fb-text{font-size:14px;}
  .fb-text span.long{display:none;}
  .fb-close{display:none;}
  .float-bar{box-shadow:0 -8px 22px rgba(15,61,51,.16);}
}
@media (max-width:520px){
  .brand-text{font-size:17px;}
  .article-head h1{font-size:26px;}
  .section-head h2{font-size:22px;}
  .cta-inner h2{font-size:21px;}
  .fb-text{font-size:13px;}
}

/* roulang page: category2 */
/* ============ 设计变量 ============ */
:root{
  --brand:#0F3D33;
  --brand-bright:#14795C;
  --accent:#FF6B35;
  --lime:#C8F14E;
  --bg:#F5F7F4;
  --card:#FFFFFF;
  --dark:#0B2A24;
  --line:#E2E7E0;
  --text:#26302C;
  --muted:#5F6E68;
  --disabled:#9AA6A0;
  --soft:#E6F1EC;
  --grad:linear-gradient(145deg,#0F3D33 0%,#14795C 100%);
  --grad-cta:linear-gradient(145deg,#0F3D33 0%,#14795C 82%,#15946B 100%);
  --r-xl:28px;
  --r-md:20px;
  --r-sm:14px;
  --r-pill:999px;
  --sh1:0 2px 8px rgba(15,61,51,.06);
  --sh2:0 10px 28px rgba(15,61,51,.10);
  --sh3:0 24px 60px rgba(15,61,51,.14);
  --sp-lg:88px;
  --sp-md:64px;
  --sp-sm:48px;
  --font:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}

/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-bright);text-decoration:none;}
a:hover{color:var(--brand);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(20,121,92,.35);border-radius:var(--r-sm);}
.num{font-variant-numeric:tabular-nums;}

/* ============ 容器与板块 ============ */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:var(--sp-lg) 0;}
.section--md{padding:var(--sp-md) 0;}
.section--sm{padding:var(--sp-sm) 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{
  font-size:30px;line-height:1.3;font-weight:700;color:var(--brand);
  margin-bottom:14px;letter-spacing:-.2px;
}
.section-head p{font-size:16px;color:var(--muted);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.06em;
  color:var(--brand-bright);background:var(--soft);
  padding:6px 14px;border-radius:var(--r-pill);margin-bottom:16px;
}
.eyebrow i{font-size:11px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;border-radius:var(--r-pill);
  font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  text-decoration:none;
}
.btn:active{transform:translateY(1px);}
.btn-sm{height:32px;padding:0 18px;font-size:13px;}
.btn-md{height:44px;padding:0 24px;font-size:15px;}
.btn-lg{height:52px;padding:0 28px;font-size:16px;}
.btn-primary{
  background:var(--grad);color:#fff;
  box-shadow:0 8px 22px rgba(15,61,51,.22);
}
.btn-primary:hover{
  color:#fff;transform:translateY(-2px);
  box-shadow:0 12px 28px rgba(15,61,51,.28),inset 0 0 0 1px rgba(200,241,78,.35);
  background:linear-gradient(145deg,#0F3D33 0%,#17936E 100%);
}
.btn-outline{
  background:transparent;color:var(--brand-bright);border-color:rgba(20,121,92,.45);
}
.btn-outline:hover{
  color:var(--brand);border-color:var(--brand-bright);
  background:rgba(20,121,92,.06);transform:translateY(-2px);box-shadow:var(--sh1);
}
.btn-ghost{background:var(--soft);color:var(--brand);}
.btn-ghost:hover{background:#D8EAE2;color:var(--brand);transform:translateY(-2px);box-shadow:var(--sh1);}
.btn-light{
  background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.55);
}
.btn-light:hover{background:#fff;color:var(--brand);transform:translateY(-2px);}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;pointer-events:none;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(245,247,244,.94);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--line);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{background:#fff;box-shadow:var(--sh1);}
.header-inner{
  display:flex;align-items:center;gap:20px;
  height:78px;transition:height .25s ease;
}
.site-header.is-scrolled .header-inner{height:66px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;border-radius:12px;
  background:var(--grad);display:grid;place-items:center;
  box-shadow:0 6px 16px rgba(15,61,51,.24);
}
.brand-mark svg{width:21px;height:21px;}
.brand-text{font-size:19px;font-weight:800;color:var(--brand);letter-spacing:.5px;}
.main-nav{flex:1;min-width:0;}
.nav-list{display:flex;align-items:center;gap:4px;}
.nav-link{
  position:relative;display:inline-block;
  padding:8px 12px;border-radius:var(--r-pill);
  font-size:15px;color:var(--muted);
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--brand);background:var(--soft);}
.nav-link.is-active{color:var(--brand);font-weight:600;}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:1px;
  height:2px;border-radius:2px;background:var(--brand-bright);
}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex-shrink:0;}
.search-box{
  display:flex;align-items:center;gap:8px;
  height:42px;padding:0 16px;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-pill);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box i{color:var(--muted);font-size:13px;}
.search-box input{
  border:0;outline:0;background:transparent;
  width:142px;font-size:14px;color:var(--text);
}
.search-box input::placeholder{color:var(--disabled);}
.search-box:focus-within{border-color:var(--brand-bright);box-shadow:0 0 0 3px rgba(20,121,92,.22);}
.hamburger{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#fff;color:var(--brand);cursor:pointer;
}
.mobile-panel{
  position:fixed;left:0;right:0;top:78px;bottom:0;z-index:75;
  background:#fff;padding:20px 24px 32px;overflow-y:auto;
  opacity:0;transform:translateY(-10px);pointer-events:none;
  transition:opacity .22s ease,transform .22s ease;
  border-top:1px solid var(--line);
}
.mobile-panel.is-open{opacity:1;transform:none;pointer-events:auto;}
.mobile-panel .mobile-list{display:flex;flex-direction:column;gap:6px;margin-bottom:20px;}
.mobile-panel .mobile-list a{
  display:block;padding:13px 16px;border-radius:var(--r-sm);
  color:var(--text);font-size:16px;background:var(--bg);
}
.mobile-panel .mobile-list a.is-active{background:var(--soft);color:var(--brand);font-weight:600;}
.mobile-panel .mobile-actions{display:flex;flex-direction:column;gap:12px;}
.mobile-panel .btn{width:100%;}

/* ============ 分类首屏 ============ */
.cat-hero{position:relative;overflow:hidden;}
.cat-hero .hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  transform:scale(1.02);
}
.cat-hero .hero-mask{
  position:absolute;inset:0;
  background:linear-gradient(145deg,rgba(15,61,51,.94) 0%,rgba(20,121,92,.80) 68%,rgba(20,121,92,.68) 100%);
}
.cat-hero .hero-inner{position:relative;padding:56px 0 72px;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;color:rgba(255,255,255,.78);margin-bottom:26px;
}
.breadcrumb a{color:rgba(255,255,255,.86);}
.breadcrumb a:hover{color:var(--lime);}
.breadcrumb span.sep{opacity:.6;}
.hero-copy{max-width:780px;color:#fff;}
.hero-copy h1{
  font-size:40px;line-height:1.3;font-weight:800;letter-spacing:-.4px;
  margin-bottom:18px;
}
.hero-copy .hero-sub{
  font-size:17px;line-height:1.85;color:rgba(255,255,255,.88);
  max-width:660px;margin-bottom:28px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px;}
.hero-tags span{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);color:#fff;
  border:1px solid rgba(255,255,255,.24);
}
.hero-tags span i{color:var(--lime);font-size:11px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.hero-note{font-size:13px;color:rgba(255,255,255,.7);}

/* ============ 时间轴区块 ============ */
.timeline-wrap{position:relative;}
.timeline{
  position:relative;
  display:grid;grid-template-columns:repeat(5,1fr);gap:22px;
  padding-top:8px;
}
.timeline-track{
  position:absolute;top:32px;left:5%;right:5%;height:3px;
  background:linear-gradient(90deg,rgba(15,61,51,.28),rgba(20,121,92,.55));
  border-radius:var(--r-pill);
}
.tl-item{position:relative;padding-top:0;}
.tl-dot{
  position:relative;z-index:2;
  width:52px;height:52px;border-radius:50%;
  background:#fff;border:2px solid var(--brand-bright);
  display:grid;place-items:center;
  font-weight:800;font-size:17px;color:var(--brand);
  box-shadow:var(--sh1);
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
}
.tl-item:hover .tl-dot{
  transform:translateY(-2px);box-shadow:var(--sh2);
  background:var(--soft);
}
.tl-body{
  margin-top:20px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 20px;box-shadow:var(--sh1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.tl-item:hover .tl-body{
  transform:translateY(-2px);box-shadow:var(--sh2);
  border-color:rgba(20,121,92,.4);
}
.tl-body h3{font-size:17px;font-weight:700;color:var(--brand);margin-bottom:10px;}
.tl-body p{font-size:14px;color:var(--muted);line-height:1.75;}

/* 数据徽章 */
.badge{
  display:inline-flex;align-items:baseline;gap:4px;
  padding:5px 12px;border-radius:var(--r-pill);
  background:var(--soft);color:var(--brand);
  font-size:12px;font-weight:600;line-height:1.5;
}
.badge b{font-size:18px;font-weight:800;font-variant-numeric:tabular-nums;}
.badge--accent{background:rgba(255,107,53,.12);color:#C24A1D;}
.badge--dark{background:rgba(255,255,255,.14);color:#fff;}
.tl-body .badge{margin-bottom:12px;}

/* ============ 能力矩阵 ============ */
.matrix{
  display:grid;grid-template-columns:1.08fr 1fr;gap:24px;
  align-items:stretch;
}
.matrix-card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-md);padding:30px;
  box-shadow:var(--sh1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.matrix-card:hover{
  transform:translateY(-2px);box-shadow:var(--sh2);
  border-color:rgba(20,121,92,.35);
}
.matrix-card--hero{
  grid-row:span 2;background:var(--grad);color:#fff;border-color:transparent;
  display:flex;flex-direction:column;justify-content:space-between;
  min-height:100%;overflow:hidden;position:relative;
}
.matrix-card--hero::after{
  content:"";position:absolute;right:-60px;bottom:-80px;
  width:230px;height:230px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,241,78,.30) 0%,rgba(200,241,78,0) 70%);
}
.matrix-card--hero h3{color:#fff;font-size:22px;font-weight:700;margin-bottom:14px;}
.matrix-card--hero p{color:rgba(255,255,255,.86);font-size:15px;margin-bottom:22px;}
.matrix-card--hero .mc-list{display:flex;flex-direction:column;gap:12px;margin-bottom:26px;}
.matrix-card--hero .mc-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;color:rgba(255,255,255,.9);
}
.matrix-card--hero .mc-list i{color:var(--lime);margin-top:6px;font-size:11px;}
.matrix-card h3{font-size:19px;font-weight:700;color:var(--brand);margin-bottom:10px;}
.matrix-card p{font-size:15px;color:var(--muted);margin-bottom:18px;}
.matrix-icon{
  width:48px;height:48px;border-radius:var(--r-sm);
  background:var(--soft);color:var(--brand-bright);
  display:grid;place-items:center;font-size:19px;margin-bottom:18px;
}
.matrix-card--hero .matrix-icon{background:rgba(255,255,255,.16);color:#fff;}
.matrix-stack{display:grid;grid-template-rows:1fr 1fr;gap:24px;}

/* ============ 场景图文 ============ */
.scene-row{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;align-items:stretch;
}
.scene-item{
  display:grid;grid-template-columns:1fr 1fr;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.scene-item:hover{transform:translateY(-2px);box-shadow:var(--sh2);}
.scene-media{position:relative;min-height:240px;}
.scene-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.scene-body{padding:26px 24px;display:flex;flex-direction:column;gap:12px;}
.scene-body h3{font-size:19px;font-weight:700;color:var(--brand);}
.scene-body p{font-size:14px;color:var(--muted);}
.scene-body ul{display:flex;flex-direction:column;gap:9px;margin-top:auto;}
.scene-body ul li{
  display:flex;gap:9px;align-items:flex-start;
  font-size:14px;color:var(--text);
}
.scene-body ul i{color:var(--brand-bright);font-size:11px;margin-top:7px;}

/* ============ 数据条 ============ */
.stats-bar{
  background:var(--dark);border-radius:var(--r-xl);
  padding:44px 36px;color:#fff;
  display:grid;grid-template-columns:repeat(4,1fr);gap:28px;
  position:relative;overflow:hidden;
}
.stats-bar::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:5px;
  background:linear-gradient(180deg,var(--lime),rgba(200,241,78,0));
  opacity:.7;
}
.stat-item{border-left:1px solid rgba(255,255,255,.12);padding-left:22px;}
.stat-item:first-child{border-left:0;padding-left:0;}
.stat-item .stat-value{
  font-size:32px;font-weight:800;font-variant-numeric:tabular-nums;
  color:#fff;line-height:1.2;margin-bottom:8px;
}
.stat-item .stat-value em{
  font-style:normal;font-size:14px;font-weight:600;
  color:var(--lime);margin-left:4px;
}
.stat-item p{font-size:14px;color:rgba(255,255,255,.72);}

/* ============ FAQ ============ */
.faq-list{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-md);box-shadow:var(--sh1);overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.is-open{border-color:rgba(20,121,92,.4);box-shadow:var(--sh2);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:transparent;border:0;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--brand);text-align:left;
}
.faq-q .faq-icon{
  flex-shrink:0;width:28px;height:28px;border-radius:50%;
  display:grid;place-items:center;background:var(--soft);color:var(--brand-bright);
  transition:transform .25s ease,background .25s ease;
}
.faq-item.is-open .faq-q .faq-icon{transform:rotate(45deg);background:var(--brand-bright);color:#fff;}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .3s ease,padding .3s ease;
  padding:0 24px;
}
.faq-item.is-open .faq-a{max-height:320px;padding:0 24px 22px;}
.faq-a p{font-size:15px;color:var(--muted);line-height:1.85;}

/* ============ CTA 大卡 ============ */
.cta-card{
  position:relative;overflow:hidden;
  background:var(--grad-cta);
  border-radius:var(--r-xl);
  padding:56px 48px;color:#fff;
  box-shadow:var(--sh3);
}
.cta-card::after{
  content:"";position:absolute;right:-80px;top:-90px;
  width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,241,78,.26) 0%,rgba(200,241,78,0) 70%);
}
.cta-inner{position:relative;display:flex;flex-wrap:wrap;gap:28px;align-items:center;justify-content:space-between;}
.cta-text{max-width:620px;}
.cta-text h2{font-size:28px;font-weight:700;margin-bottom:14px;color:#fff;}
.cta-text p{font-size:15px;color:rgba(255,255,255,.86);}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--dark);color:rgba(255,255,255,.8);
  padding:64px 0 28px;margin-top:var(--sp-lg);
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:36px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.1);box-shadow:none;border-radius:12px;}
.footer-brand .brand-text{color:#fff;font-size:18px;font-weight:800;}
.footer-about{font-size:14px;line-height:1.85;color:rgba(255,255,255,.68);max-width:340px;}
.footer-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col ul li a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-col ul li a:hover{color:var(--lime);}
.footer-contact li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;color:rgba(255,255,255,.72);
}
.footer-contact i{margin-top:6px;color:var(--lime);font-size:13px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  padding-top:22px;font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom .fb-links{display:flex;gap:20px;}
.footer-bottom .fb-links a{color:rgba(255,255,255,.6);font-size:13px;}
.footer-bottom .fb-links a:hover{color:var(--lime);}

/* ============ 底部固定转化条 ============ */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:90;
  background:#fff;box-shadow:0 -10px 28px rgba(15,61,51,.14);
  transform:translateY(130%);
  transition:transform .3s ease;
}
.sticky-cta.is-visible{transform:translateY(0);}
.sticky-inner{
  max-width:1200px;margin:0 auto;padding:10px 24px;
  display:flex;align-items:center;gap:18px;justify-content:space-between;
  min-height:64px;
}
.sticky-text{font-size:15px;color:var(--text);}
.sticky-text b{color:var(--brand);font-weight:700;}
.sticky-actions{display:flex;align-items:center;gap:12px;}
.sticky-close{
  width:34px;height:34px;border-radius:50%;border:1px solid var(--line);
  background:#fff;color:var(--muted);cursor:pointer;
  display:grid;place-items:center;transition:color .2s ease,border-color .2s ease;
}
.sticky-close:hover{color:var(--brand);border-color:var(--brand-bright);}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .nav-link{padding:8px 9px;font-size:14px;}
  .search-box input{width:110px;}
  .hero-copy h1{font-size:36px;}
  .timeline{grid-template-columns:repeat(5,1fr);gap:16px;}
  .tl-body{padding:18px 16px;}
}
@media (max-width:991px){
  :root{--sp-lg:56px;--sp-md:44px;--sp-sm:34px;}
  .main-nav,.search-box,.header-actions .btn-outline{display:none;}
  .hamburger{display:flex;}
  .hero-copy h1{font-size:32px;}
  .section-head h2{font-size:26px;}
  .timeline{grid-template-columns:repeat(2,1fr);gap:20px;}
  .timeline-track{display:none;}
  .matrix{grid-template-columns:1fr;}
  .matrix-card--hero{grid-row:auto;}
  .matrix-stack{grid-template-rows:auto;}
  .scene-row{grid-template-columns:1fr;}
  .stats-bar{grid-template-columns:repeat(2,1fr);padding:34px 26px;gap:24px;}
  .stat-item:nth-child(3){border-left:0;padding-left:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .cta-card{padding:40px 30px;}
  .cta-text h2{font-size:24px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .header-inner{height:64px;}
  .site-header.is-scrolled .header-inner{height:60px;}
  .mobile-panel{top:64px;}
  .hero-copy h1{font-size:28px;}
  .hero-copy .hero-sub{font-size:15px;}
  .cat-hero .hero-inner{padding:36px 0 54px;}
  .timeline{grid-template-columns:1fr;}
  .tl-dot{width:46px;height:46px;font-size:16px;}
  .faq-q{font-size:16px;padding:17px 18px;}
  .faq-a{padding:0 18px;}
  .faq-item.is-open .faq-a{padding:0 18px 18px;}
  .cta-card{padding:32px 22px;border-radius:var(--r-md);}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-actions .btn{width:100%;}
  .sticky-inner{padding:9px 16px;min-height:56px;}
  .sticky-text{font-size:14px;flex:1;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .hero-copy h1{font-size:25px;}
  .hero-tags span{font-size:12px;padding:5px 11px;}
  .stats-bar{grid-template-columns:1fr;padding:28px 20px;}
  .stat-item{border-left:0;padding-left:0;border-top:1px solid rgba(255,255,255,.12);padding-top:18px;}
  .stat-item:first-child{border-top:0;padding-top:0;}
  .footer-grid{grid-template-columns:1fr;}
  .btn-lg{height:48px;padding:0 22px;font-size:15px;}
  .sticky-text{display:none;}
  .sticky-actions{width:100%;justify-content:space-between;}
}

/* roulang page: category3 */
:root{
  --brand:#0F3D33;
  --brand-2:#14795C;
  --orange:#FF6B35;
  --lime:#C8F14E;
  --bg:#F5F7F4;
  --card:#FFFFFF;
  --dark:#0B2A24;
  --line:#E2E7E0;
  --text:#26302C;
  --muted:#5F6E68;
  --disabled:#9AA6A0;
  --grad:linear-gradient(145deg,#0F3D33 0%,#14795C 100%);
  --r-lg:28px;
  --r-md:20px;
  --r-sm:14px;
  --r-pill:999px;
  --sh1:0 2px 8px rgba(15,61,51,.06);
  --sh2:0 10px 28px rgba(15,61,51,.10);
  --sh3:0 24px 60px rgba(15,61,51,.14);
  --sp-lg:88px;
  --sp-md:64px;
  --sp-sm:48px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--brand-2);text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--brand);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--brand);line-height:1.3;}
h1{font-size:40px;font-weight:800;}
h2{font-size:30px;font-weight:700;}
h3{font-size:20px;font-weight:700;}
h4{font-size:17px;font-weight:600;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:3px solid rgba(20,121,92,.35);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:var(--sp-lg) 0;}
.section--tight{padding:var(--sp-md) 0;}
.section--soft{background:#EEF3EE;}
.section--dark{background:var(--dark);color:rgba(255,255,255,.82);}
.section--dark h2,.section--dark h3{color:#fff;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(245,247,244,.86);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:padding .25s ease,box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{padding:0;box-shadow:var(--sh2);background:rgba(255,255,255,.96);}
.header-inner{
  display:flex;align-items:center;gap:24px;
  min-height:76px;
  transition:min-height .25s ease;
}
.site-header.is-scrolled .header-inner{min-height:62px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:12px;
  background:var(--grad);
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh1);
}
.brand-mark svg{width:22px;height:22px;}
.brand-text{
  font-size:19px;font-weight:800;letter-spacing:.5px;color:var(--brand);white-space:nowrap;
}
.brand-dot{
  width:6px;height:6px;border-radius:50%;background:var(--orange);display:inline-block;margin-left:2px;
}

.main-nav{flex:1 1 auto;display:flex;justify-content:center;}
.nav-list{display:flex;align-items:center;gap:6px;}
.nav-link{
  display:inline-block;padding:10px 14px;border-radius:var(--r-pill);
  color:var(--text);font-size:15px;font-weight:500;
  border-bottom:2px solid transparent;
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--brand-2);background:#EAF2ED;}
.nav-link.is-active{
  color:var(--brand);font-weight:600;border-bottom-color:var(--brand-2);
  background:transparent;
}
.header-tools{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.search-box{position:relative;}
.search-box i{
  position:absolute;left:14px;top:50%;transform:translateY(-50%);
  color:var(--muted);font-size:13px;
}
.search-box input{
  height:42px;width:190px;
  padding:0 14px 0 36px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:#fff;
  font-size:14px;color:var(--text);
  box-shadow:inset 0 1px 2px rgba(15,61,51,.04);
  transition:border-color .2s ease,box-shadow .2s ease,width .25s ease;
}
.search-box input::placeholder{color:var(--disabled);}
.search-box input:focus{
  outline:none;border-color:var(--brand-2);
  box-shadow:0 0 0 3px rgba(20,121,92,.18);
  width:220px;
}
.nav-toggle{
  display:none;background:none;border:1px solid var(--line);
  width:42px;height:42px;border-radius:var(--r-sm);color:var(--brand);font-size:17px;
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  font-size:15px;font-weight:600;
  text-align:center;white-space:nowrap;
  transition:transform .2s ease,box-shadow .22s ease,background .22s ease,color .2s ease,border-color .22s ease;
}
.btn-sm{height:32px;padding:0 18px;font-size:13px;}
.btn-md{height:44px;padding:0 22px;}
.btn-lg{height:52px;padding:0 28px;font-size:16px;}
.btn-primary{
  background-image:var(--grad);
  color:#fff;box-shadow:var(--sh2);
  background-size:120% 120%;background-position:0% 50%;
}
.btn-primary:hover{
  color:#fff;transform:translateY(-2px);
  box-shadow:var(--sh3);
  background-position:8% 50%;
}
.btn-primary:active{transform:translateY(1px);}
.btn-outline{
  background:transparent;border-color:var(--brand-2);color:var(--brand-2);
}
.btn-outline:hover{
  background:#E6F1EC;color:var(--brand);transform:translateY(-2px);box-shadow:var(--sh1);
}
.btn-ghost{
  background:#fff;color:var(--brand);border-color:var(--line);box-shadow:var(--sh1);
}
.btn-ghost:hover{color:var(--brand-2);transform:translateY(-2px);box-shadow:var(--sh2);}
.btn-light{
  background:#fff;color:var(--brand);border-color:transparent;
}
.btn-light:hover{color:var(--brand-2);transform:translateY(-2px);box-shadow:var(--sh2);}
.btn:disabled,.btn.is-disabled{opacity:.45;box-shadow:none;cursor:not-allowed;transform:none;}

/* ---------- Page hero ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--brand);}
.page-hero .hero-bg{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
}
.page-hero .hero-mask{
  position:absolute;inset:0;
  background:linear-gradient(145deg,rgba(15,61,51,.92) 0%,rgba(20,121,92,.78) 72%,rgba(200,241,78,.16) 100%);
}
.page-hero .hero-inner{
  position:relative;z-index:2;
  padding:56px 24px 60px;
  max-width:1200px;margin:0 auto;
  min-height:280px;
  display:flex;flex-direction:column;justify-content:center;
}
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:14px;color:rgba(255,255,255,.74);margin-bottom:18px;
}
.breadcrumb a{color:rgba(255,255,255,.9);}
.breadcrumb a:hover{color:var(--lime);}
.breadcrumb span.sep{opacity:.5;}
.page-hero h1{color:#fff;max-width:780px;margin-bottom:16px;}
.page-hero .lead{
  color:rgba(255,255,255,.86);font-size:16px;
  max-width:660px;margin-bottom:26px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
.page-hero .btn-outline{
  border-color:rgba(255,255,255,.7);color:#fff;
}
.page-hero .btn-outline:hover{background:rgba(255,255,255,.16);color:#fff;}

/* ---------- Section head ---------- */
.sec-head{max-width:720px;margin-bottom:44px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:1.4px;
  color:var(--brand-2);
  background:#E6F1EC;border-radius:var(--r-pill);
  padding:6px 14px;margin-bottom:16px;
}
.section--dark .eyebrow{background:rgba(200,241,78,.14);color:var(--lime);}
.sec-head p{color:var(--muted);font-size:16px;margin-top:14px;}
.section--dark .sec-head p{color:rgba(255,255,255,.72);}

/* ---------- Metric matrix ---------- */
.metric-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
}
.metric-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px 22px;box-shadow:var(--sh1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.metric-card:hover{transform:translateY(-2px);box-shadow:var(--sh2);border-color:#CDDCCF;}
.metric-value{
  font-size:34px;font-weight:800;color:var(--brand);line-height:1.1;
  display:flex;align-items:baseline;gap:4px;margin-bottom:10px;
}
.metric-value .unit{font-size:13px;font-weight:600;color:var(--muted);}
.metric-card h3{font-size:17px;margin-bottom:8px;}
.metric-card p{font-size:14px;color:var(--muted);margin:0;}
.metric-card.accent{
  background:var(--grad);border-color:transparent;color:rgba(255,255,255,.85);
}
.metric-card.accent h3{color:#fff;}
.metric-card.accent p{color:rgba(255,255,255,.8);}
.metric-card.accent .metric-value{color:#fff;}
.metric-card.accent .metric-value .unit{color:var(--lime);}

/* ---------- Big rounded cards ---------- */
.big-card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.big-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh1);
  display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease;
}
.big-card:hover{transform:translateY(-3px);box-shadow:var(--sh2);}
.big-card figure{margin:0;position:relative;aspect-ratio:16/9;overflow:hidden;}
.big-card figure img{width:100%;height:100%;object-fit:cover;}
.big-card figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(15,61,51,0) 42%,rgba(15,61,51,.58) 100%);
}
.big-card .tag-on-img{
  position:absolute;left:16px;bottom:14px;z-index:2;
  background:rgba(255,255,255,.94);color:var(--brand);
  font-size:12px;font-weight:600;border-radius:var(--r-pill);padding:5px 12px;
}
.big-card-body{padding:24px 24px 28px;display:flex;flex-direction:column;flex:1 1 auto;}
.big-card-body h3{margin-bottom:10px;}
.big-card-body p{font-size:15px;color:var(--muted);}
.spec-list{margin-top:16px;display:flex;flex-direction:column;gap:10px;}
.spec-list li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:14px;color:var(--text);
}
.spec-list i{color:var(--brand-2);margin-top:6px;font-size:12px;}

/* ---------- Time slot usage ---------- */
.slot-layout{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start;}
.slot-note{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px;box-shadow:var(--sh1);margin-top:24px;
}
.slot-note h4{margin-bottom:8px;}
.slot-note p{font-size:14px;color:var(--muted);margin:0;}
.slot-list{display:flex;flex-direction:column;gap:22px;}
.slot-row{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px 22px;box-shadow:var(--sh1);
  transition:transform .22s ease,box-shadow .22s ease;
}
.slot-row:hover{transform:translateY(-2px);box-shadow:var(--sh2);}
.slot-row-top{
  display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:12px;
}
.slot-row-top h4{margin:0;}
.slot-row-top .slot-time{font-size:13px;color:var(--muted);}
.bar{
  height:10px;border-radius:var(--r-pill);background:#E9EFE9;overflow:hidden;
}
.bar > span{
  display:block;height:100%;border-radius:var(--r-pill);
  background:linear-gradient(90deg,#14795C 0%,#C8F14E 100%);
}
.slot-row-bottom{
  display:flex;justify-content:space-between;align-items:center;
  margin-top:10px;font-size:13px;color:var(--muted);
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  background:#E6F1EC;color:var(--brand);
  border-radius:var(--r-pill);padding:4px 12px;
  font-size:12px;font-weight:600;
}
.badge.orange{background:#FFEDE5;color:#C2481E;}
.badge.mono{background:#F0F3F0;color:var(--muted);}

/* ---------- Checklist ---------- */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.check-card{
  display:flex;gap:18px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--sh1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.check-card:hover{transform:translateY(-2px);box-shadow:var(--sh2);border-color:#CDDCCF;}
.check-index{
  flex:0 0 auto;width:42px;height:42px;border-radius:14px;
  background:#E6F1EC;color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:800;
}
.check-card h3{font-size:17px;margin-bottom:6px;}
.check-card p{font-size:14px;color:var(--muted);margin:0;}

/* ---------- Split highlight band ---------- */
.band{
  background:var(--grad);border-radius:var(--r-lg);
  padding:44px;color:rgba(255,255,255,.86);
  display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;
  box-shadow:var(--sh3);
  position:relative;overflow:hidden;
}
.band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,241,78,.30) 0%,rgba(200,241,78,0) 70%);
}
.band h2{color:#fff;margin-bottom:12px;position:relative;z-index:1;}
.band p{color:rgba(255,255,255,.82);margin:0;max-width:640px;position:relative;z-index:1;}
.band .band-actions{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:800px;margin:0 auto;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh1);margin-bottom:14px;overflow:hidden;
  transition:box-shadow .22s ease,border-color .22s ease;
}
.faq-item:hover{box-shadow:var(--sh2);}
.faq-item.is-open{border-color:#C7D9CB;}
.faq-q{
  width:100%;background:none;border:0;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 24px;font-size:17px;font-weight:600;color:var(--brand);
}
.faq-q .plus{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  background:#E6F1EC;color:var(--brand-2);
  display:flex;align-items:center;justify-content:center;font-size:14px;
  transition:transform .25s ease,background .25s ease;
}
.faq-item.is-open .plus{transform:rotate(45deg);background:var(--brand-2);color:#fff;}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .3s ease;
}
.faq-a-inner{
  padding:0 24px 22px;font-size:15px;color:var(--muted);line-height:1.8;
}

/* ---------- CTA card ---------- */
.cta-card{
  background:var(--grad);
  border-radius:var(--r-lg);
  padding:56px 48px;
  color:rgba(255,255,255,.86);
  position:relative;overflow:hidden;
  box-shadow:var(--sh3);
  display:grid;grid-template-columns:1.3fr 1fr;gap:40px;align-items:center;
}
.cta-card::after{
  content:"";position:absolute;left:-80px;bottom:-90px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,241,78,.26) 0%,rgba(200,241,78,0) 72%);
}
.cta-card h2{color:#fff;margin-bottom:14px;position:relative;z-index:1;}
.cta-card p{color:rgba(255,255,255,.84);position:relative;z-index:1;margin:0;}
.cta-side{position:relative;z-index:1;display:flex;flex-direction:column;gap:14px;}
.cta-side .btn{width:100%;}
.cta-side .tip{font-size:13px;color:rgba(255,255,255,.7);text-align:center;}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--dark);color:rgba(255,255,255,.8);
  padding:64px 0 0;margin-top:0;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.10);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(200,241,78,.14);}
.footer-brand .brand-text{color:#fff;font-size:18px;font-weight:800;}
.footer-about{font-size:14px;color:rgba(255,255,255,.66);margin:0;max-width:340px;}
.site-footer h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.site-footer ul li{margin-bottom:10px;}
.site-footer ul li a{font-size:14px;color:rgba(255,255,255,.72);}
.site-footer ul li a:hover{color:var(--lime);}
.footer-contact li{
  display:flex;align-items:flex-start;gap:10px;font-size:14px;color:rgba(255,255,255,.72);
}
.footer-contact li i{margin-top:6px;color:var(--lime);font-size:13px;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 0 28px;font-size:13px;color:rgba(255,255,255,.58);flex-wrap:wrap;
}
.fb-links{display:flex;gap:18px;flex-wrap:wrap;}
.fb-links a{font-size:13px;color:rgba(255,255,255,.66);}
.fb-links a:hover{color:var(--lime);}

/* ---------- Floating bar ---------- */
.float-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:150;
  background:#fff;box-shadow:0 -10px 30px rgba(15,61,51,.14);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:0 20px;height:64px;
  transform:translateY(110%);opacity:0;
  transition:transform .28s ease,opacity .28s ease;
}
.float-bar.is-show{transform:translateY(0);opacity:1;}
.float-bar .fb-text{font-size:15px;color:var(--text);}
.float-bar .fb-text strong{color:var(--brand);}
.float-bar .fb-right{display:flex;align-items:center;gap:10px;}
.float-close{
  background:none;border:0;color:var(--muted);font-size:16px;line-height:1;
  width:30px;height:30px;border-radius:50%;
}
.float-close:hover{background:#F0F3F0;color:var(--brand);}

/* ---------- Mobile drawer ---------- */
.mobile-panel{
  position:fixed;inset:0;z-index:200;
  background:rgba(11,42,36,.98);
  padding:26px 22px;display:flex;flex-direction:column;
  transform:translateX(100%);transition:transform .3s ease;
}
.mobile-panel.is-open{transform:translateX(0);}
.mobile-panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;}
.mobile-panel-head .brand-text{color:#fff;}
.mobile-close{
  background:none;border:1px solid rgba(255,255,255,.24);color:#fff;
  width:40px;height:40px;border-radius:12px;font-size:16px;
}
.mobile-panel ul li{margin-bottom:6px;}
.mobile-panel ul li a{
  display:block;padding:14px 4px;color:rgba(255,255,255,.88);font-size:16px;
  border-bottom:1px solid rgba(255,255,255,.10);
}
.mobile-panel ul li a.is-active{color:var(--lime);font-weight:600;}
.mobile-panel .panel-actions{margin-top:auto;display:flex;flex-direction:column;gap:12px;}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .metric-grid{grid-template-columns:repeat(2,1fr);}
  .big-card-grid{grid-template-columns:repeat(2,1fr);}
  .cta-card{grid-template-columns:1fr;padding:44px 36px;}
  .slot-layout{gap:36px;}
}
@media (max-width:991px){
  h1{font-size:32px;}
  h2{font-size:26px;}
  .section{padding:64px 0;}
  .section--tight{padding:48px 0;}
  .main-nav{display:none;}
  .header-tools .search-box,.header-tools .btn-ghost{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .slot-layout{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .band{grid-template-columns:1fr;padding:34px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:52px 0;}
  .section--tight{padding:38px 0;}
  h1{font-size:30px;}
  h2{font-size:24px;}
  h3{font-size:18px;}
  h4{font-size:16px;}
  .page-hero .hero-inner{padding:38px 16px 42px;min-height:240px;}
  .metric-grid{grid-template-columns:1fr;}
  .big-card-grid{grid-template-columns:1fr;}
  .check-grid{grid-template-columns:1fr;}
  .sec-head{margin-bottom:30px;}
  .cta-card{padding:34px 22px;}
  .footer-grid{grid-template-columns:1fr;}
  .float-bar{height:56px;padding:0 14px;}
  .float-bar .fb-text{font-size:13px;}
  .float-bar .fb-text span.long{display:none;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .big-card-body{padding:20px 18px 22px;}
  .band-actions{flex-direction:column;align-items:stretch;}
  .band-actions .btn{width:100%;}
}

/* roulang page: category4 */
:root{
  --ink:#0F3D33;
  --ink-deep:#0B2A24;
  --brand:#14795C;
  --brand-soft:#E6F1EC;
  --orange:#FF6B35;
  --lime:#C8F14E;
  --bg:#F5F7F4;
  --card:#FFFFFF;
  --line:#E2E7E0;
  --text:#26302C;
  --muted:#5F6E68;
  --disabled:#9AA6A0;
  --danger:#D64545;
  --grad:linear-gradient(145deg,#0F3D33 0%,#14795C 100%);
  --r-xl:28px;
  --r-lg:20px;
  --r-sm:14px;
  --r-pill:999px;
  --sh1:0 2px 8px rgba(15,61,51,.06);
  --sh2:0 10px 28px rgba(15,61,51,.10);
  --sh3:0 24px 60px rgba(15,61,51,.14);
  --sec-lg:88px;
  --sec-md:64px;
  --sec-sm:48px;
}

/* ---------- 基础重置 ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
}
h1,h2,h3,h4{
  margin:0 0 .55em;
  color:var(--ink);
  line-height:1.3;
  font-weight:700;
  letter-spacing:.01em;
}
h1{font-size:40px;font-weight:800;}
h2{font-size:30px;}
h3{font-size:20px;}
h4{font-size:17px;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--ink);}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;height:auto;display:block;}
button{font-family:inherit;font-size:inherit;border:0;background:none;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:15px;}
.num{font-variant-numeric:tabular-nums;}
:focus-visible{outline:3px solid rgba(20,121,92,.35);outline-offset:2px;border-radius:6px;}

/* ---------- 布局容器 ---------- */
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.section{padding:var(--sec-lg) 0;}
.section-sm{padding:var(--sec-md) 0;}
.section-tight{padding:var(--sec-sm) 0;}
.section-head{
  max-width:760px;
  margin-bottom:44px;
}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head h2{margin-bottom:14px;}
.section-lead{color:var(--muted);font-size:16px;margin:0;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(245,247,244,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{
  background:#fff;
  border-bottom-color:var(--line);
  box-shadow:var(--sh1);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:26px;
  height:80px;
  transition:height .25s ease;
}
.site-header.is-scrolled .header-inner{height:64px;}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--ink);
  font-weight:800;
  letter-spacing:.02em;
}
.brand:hover{color:var(--brand);}
.brand-mark{
  width:28px;
  height:28px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:9px;
  background:var(--grad);
  box-shadow:var(--sh1);
}
.brand-mark svg{width:20px;height:20px;}
.brand-text{font-size:19px;}
.main-nav{flex:1 1 auto;min-width:0;}
.nav-list{
  display:flex;
  align-items:center;
  gap:22px;
  flex-wrap:nowrap;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:6px 0 8px;
  font-size:15px;
  font-weight:500;
  color:#3A4742;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:2px;
  border-radius:2px;
  background:var(--brand);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .22s ease;
}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--ink);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}

.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
}
.nav-search{
  position:relative;
  display:flex;
  align-items:center;
}
.nav-search i{
  position:absolute;
  left:14px;
  font-size:13px;
  color:var(--muted);
  pointer-events:none;
}
.nav-search input{
  width:186px;
  height:40px;
  padding:0 16px 0 36px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:#fff;
  color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease,width .25s ease;
}
.nav-search input::placeholder{color:var(--disabled);}
.nav-search input:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(20,121,92,.16);
  width:220px;
}
.nav-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:42px;
  height:42px;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  background:#fff;
}
.nav-toggle span{
  display:block;
  width:18px;
  height:2px;
  margin:0 auto;
  border-radius:2px;
  background:var(--ink);
  transition:transform .2s ease,opacity .2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.mobile-panel{
  display:none;
  background:#fff;
  border-top:1px solid var(--line);
  box-shadow:var(--sh2);
  padding:14px 0 22px;
}
.mobile-panel.is-open{display:block;}
.mobile-list{padding:0 24px;}
.mobile-list li{border-bottom:1px solid var(--line);}
.mobile-list a{
  display:block;
  padding:14px 2px;
  font-size:16px;
  font-weight:500;
  color:#3A4742;
}
.mobile-list a.is-active{color:var(--brand);font-weight:600;}
.mobile-actions{
  display:flex;
  flex-direction:column;
  gap:10px;
  padding:18px 24px 0;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  text-decoration:none;
  white-space:nowrap;
  transition:transform .18s ease,box-shadow .22s ease,background-position .3s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn-sm{height:36px;padding:0 18px;font-size:14px;}
.btn-md{height:44px;padding:0 24px;font-size:15px;}
.btn-lg{height:52px;padding:0 30px;font-size:16px;}
.btn-block{width:100%;}
.btn-primary{
  background-image:var(--grad);
  background-size:180% 180%;
  background-position:0% 50%;
  color:#fff;
  box-shadow:var(--sh1);
}
.btn-primary:hover{
  color:#fff;
  background-position:100% 50%;
  box-shadow:var(--sh2);
  transform:translateY(-2px);
}
.btn-primary:active{transform:translateY(1px);box-shadow:var(--sh1);}
.btn-outline{
  background:transparent;
  border-color:rgba(15,61,51,.24);
  color:var(--ink);
}
.btn-outline:hover{
  border-color:var(--brand);
  color:var(--brand);
  background:rgba(20,121,92,.06);
  transform:translateY(-2px);
  box-shadow:var(--sh1);
}
.btn-outline:active{transform:translateY(1px);}
.btn-ghost{
  background:#fff;
  border-color:var(--line);
  color:var(--ink);
  box-shadow:var(--sh1);
}
.btn-ghost:hover{
  color:var(--brand);
  border-color:var(--brand);
  box-shadow:var(--sh2);
  transform:translateY(-2px);
}
.btn-ghost:active{transform:translateY(1px);}
.btn:disabled,
.btn.is-disabled{
  opacity:.45;
  box-shadow:none;
  cursor:not-allowed;
  transform:none;
}

/* ---------- 首屏 ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  background:var(--ink);
  color:#fff;
  padding:56px 0 68px;
}
.page-hero .hero-bg{
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  opacity:.4;
}
.page-hero .hero-veil{
  position:absolute;
  inset:0;
  z-index:1;
  background-image:linear-gradient(145deg,rgba(15,61,51,.95) 0%,rgba(20,121,92,.78) 72%,rgba(20,121,92,.62) 100%);
}
.page-hero .hero-inner{
  position:relative;
  z-index:2;
}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:rgba(255,255,255,.78);
  margin-bottom:20px;
}
.breadcrumb a{
  color:rgba(255,255,255,.9);
  border-bottom:1px solid rgba(200,241,78,.5);
  padding-bottom:1px;
}
.breadcrumb a:hover{color:var(--lime);border-bottom-color:var(--lime);}
.breadcrumb .sep{color:rgba(255,255,255,.5);}
.page-hero h1{
  color:#fff;
  max-width:820px;
  margin-bottom:16px;
  font-size:40px;
}
.page-hero .hero-lead{
  max-width:700px;
  font-size:17px;
  color:rgba(255,255,255,.86);
  margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;}
.btn-on-dark{
  background:rgba(255,255,255,.12);
  border-color:rgba(255,255,255,.42);
  color:#fff;
}
.btn-on-dark:hover{
  background:#fff;
  color:var(--ink);
  border-color:#fff;
  transform:translateY(-2px);
  box-shadow:var(--sh3);
}

/* ---------- 数据徽章 ---------- */
.badge-strip{
  margin-top:-34px;
  position:relative;
  z-index:5;
  padding:0 0 var(--sec-sm);
}
.badge-row{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  padding:26px 28px;
  box-shadow:var(--sh2);
}
.badge-cell{
  display:flex;
  flex-direction:column;
  gap:6px;
  padding-right:18px;
  border-right:1px dashed var(--line);
}
.badge-cell:last-child{border-right:0;padding-right:0;}
.badge-value{
  font-size:26px;
  font-weight:800;
  color:var(--ink);
  font-variant-numeric:tabular-nums;
  line-height:1.1;
}
.badge-value .unit{font-size:13px;font-weight:600;color:var(--brand);margin-left:3px;}
.badge-label{font-size:14px;color:var(--muted);}
.badge-cell.accent .badge-value{color:var(--orange);}

.pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:26px;
  padding:0 12px;
  border-radius:var(--r-pill);
  background:var(--brand-soft);
  color:var(--ink);
  font-size:12px;
  font-weight:600;
  letter-spacing:.02em;
}
.pill.warm{background:rgba(255,107,53,.12);color:#B8431A;}
.pill.plain{background:#F1F4F1;color:var(--muted);}

/* ---------- 对比表 ---------- */
.matrix-layout{
  display:grid;
  grid-template-columns:1fr 320px;
  gap:34px;
  align-items:start;
}
.matrix-wrap{
  overflow-x:auto;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:#fff;
  box-shadow:var(--sh1);
}
table.matrix{
  width:100%;
  min-width:720px;
  border-collapse:collapse;
  font-size:15px;
}
table.matrix caption{
  caption-side:top;
  text-align:left;
  padding:0 0 0;
  font-size:0;
}
table.matrix thead th{
  background:var(--ink);
  color:#fff;
  font-size:14px;
  font-weight:600;
  text-align:left;
  padding:16px 20px;
  letter-spacing:.02em;
  white-space:nowrap;
}
table.matrix tbody td{
  padding:18px 20px;
  border-bottom:1px solid var(--line);
  color:var(--text);
  vertical-align:top;
}
table.matrix tbody tr{transition:background-color .2s ease;}
table.matrix tbody tr:hover{background:#F0F6F2;}
table.matrix tbody tr:hover td:first-child{color:var(--brand);}
table.matrix tbody tr:last-child td{border-bottom:0;}
table.matrix td:first-child{font-weight:600;color:var(--ink);white-space:nowrap;}
.table-note{
  margin-top:14px;
  font-size:14px;
  color:var(--muted);
}
.matrix-aside{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh1);
  overflow:hidden;
}
.matrix-aside img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
}
.matrix-aside .aside-body{padding:22px;}
.matrix-aside h3{font-size:18px;margin-bottom:10px;}
.matrix-aside p{font-size:14px;color:var(--muted);line-height:1.75;}
.aside-list{margin-top:14px;display:flex;flex-direction:column;gap:9px;}
.aside-list li{
  display:flex;
  gap:9px;
  font-size:14px;
  color:var(--text);
}
.aside-list i{color:var(--brand);font-size:13px;margin-top:5px;}

/* ---------- 验证链路 ---------- */
.flow-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.flow-card{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px 26px 26px;
  box-shadow:var(--sh1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.flow-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--sh2);
  border-color:rgba(20,121,92,.4);
}
.flow-step{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:44px;
  height:26px;
  padding:0 12px;
  border-radius:var(--r-pill);
  background:var(--brand-soft);
  color:var(--ink);
  font-size:13px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  margin-bottom:16px;
}
.flow-card h3{font-size:19px;margin-bottom:10px;}
.flow-card p{font-size:15px;color:var(--muted);line-height:1.78;}
.flow-card .flow-mark{
  position:absolute;
  top:24px;
  right:24px;
  font-size:13px;
  color:var(--disabled);
  font-variant-numeric:tabular-nums;
}
.flow-card.is-key{
  background:var(--grad);
  border-color:transparent;
  box-shadow:var(--sh2);
}
.flow-card.is-key h3,
.flow-card.is-key p{color:#fff;}
.flow-card.is-key p{color:rgba(255,255,255,.86);}
.flow-card.is-key .flow-step{background:rgba(255,255,255,.18);color:#fff;}
.flow-card.is-key .flow-mark{color:rgba(255,255,255,.6);}

/* ---------- 机构安全策略 ---------- */
.policy-section{
  background:#fff;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.policy-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:22px;
}
.policy-card{
  display:flex;
  gap:18px;
  padding:26px;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  background:var(--bg);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease,background-color .22s ease;
}
.policy-card:hover{
  background:#fff;
  transform:translateY(-2px);
  box-shadow:var(--sh2);
  border-color:rgba(20,121,92,.35);
}
.policy-icon{
  flex:0 0 46px;
  width:46px;
  height:46px;
  border-radius:var(--r-sm);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:var(--brand-soft);
  color:var(--brand);
  font-size:18px;
}
.policy-card h3{font-size:18px;margin-bottom:8px;}
.policy-card p{font-size:15px;color:var(--muted);line-height:1.75;}

/* ---------- 服务可用性 ---------- */
.notice-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:22px;
}
.notice-card{
  background:#fff;
  border:1px solid var(--line);
  border-left:4px solid var(--brand);
  border-radius:var(--r-sm);
  padding:24px 26px;
  box-shadow:var(--sh1);
  transition:box-shadow .22s ease,transform .22s ease;
}
.notice-card:hover{box-shadow:var(--sh2);transform:translateY(-2px);}
.notice-card h4{margin-bottom:8px;font-size:17px;}
.notice-card p{font-size:15px;color:var(--muted);}
.notice-meta{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:14px;
  font-size:13px;
  color:var(--orange);
  font-variant-numeric:tabular-nums;
}

/* ---------- FAQ ---------- */
.faq-list{
  max-width:840px;
  margin:0 auto;
  display:flex;
  flex-direction:column;
  gap:14px;
}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh1);
  overflow:hidden;
  transition:box-shadow .22s ease,border-color .22s ease;
}
.faq-item.is-open{
  box-shadow:var(--sh2);
  border-color:rgba(20,121,92,.35);
}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 24px;
  text-align:left;
  font-size:17px;
  font-weight:600;
  color:var(--ink);
  background:none;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--brand);}
.faq-q .plus{
  flex:0 0 20px;
  font-size:15px;
  color:var(--brand);
  transition:transform .28s ease;
  text-align:center;
}
.faq-item.is-open .plus{transform:rotate(45deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s ease;
}
.faq-a p{
  padding:0 24px 22px;
  margin:0;
  font-size:15px;
  line-height:1.8;
  color:var(--muted);
}

/* ---------- CTA ---------- */
.cta-section{padding-bottom:var(--sec-lg);}
.cta-card{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-xl);
  background-image:var(--grad);
  box-shadow:var(--sh3);
  padding:56px 56px 52px;
  color:#fff;
}
.cta-card::after{
  content:"";
  position:absolute;
  right:-90px;
  top:-90px;
  width:320px;
  height:320px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(200,241,78,.28) 0%,rgba(200,241,78,0) 70%);
  pointer-events:none;
}
.cta-inner{position:relative;z-index:2;max-width:660px;}
.cta-card h2{color:#fff;font-size:30px;margin-bottom:14px;}
.cta-card p{color:rgba(255,255,255,.86);font-size:16px;margin-bottom:26px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
.btn-lime{
  background:var(--lime);
  color:var(--ink);
  box-shadow:var(--sh1);
}
.btn-lime:hover{
  color:var(--ink);
  transform:translateY(-2px);
  box-shadow:var(--sh2);
  background:#D7F76E;
}
.btn-lime:active{transform:translateY(1px);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink-deep);
  color:rgba(255,255,255,.8);
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:38px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-col h3{
  color:#fff;
  font-size:15px;
  font-weight:600;
  margin-bottom:18px;
  letter-spacing:.02em;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}
.footer-brand .brand-mark{background:rgba(255,255,255,.1);}
.footer-brand .brand-text{
  color:#fff;
  font-size:19px;
  font-weight:800;
  letter-spacing:.02em;
}
.footer-about{
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.68);
  max-width:340px;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col ul a{
  font-size:14px;
  color:rgba(255,255,255,.78);
}
.footer-col ul a:hover{color:var(--lime);}
.footer-contact li{
  display:flex;
  gap:10px;
  font-size:14px;
  color:rgba(255,255,255,.78);
  align-items:flex-start;
}
.footer-contact i{
  margin-top:6px;
  font-size:13px;
  color:var(--lime);
}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  padding-top:24px;
  font-size:13px;
  color:rgba(255,255,255,.6);
}
.fb-links{display:flex;gap:20px;}
.fb-links a{color:rgba(255,255,255,.7);font-size:13px;}
.fb-links a:hover{color:var(--lime);}

/* ---------- 底部固定转化条 ---------- */
.sticky-cta{
  position:fixed;
  left:0;
  right:0;
  bottom:0;
  z-index:90;
  background:#fff;
  border-top:1px solid var(--line);
  box-shadow:0 -12px 32px rgba(15,61,51,.14);
  transform:translateY(110%);
  opacity:0;
  transition:transform .3s ease,opacity .3s ease;
}
.sticky-cta.is-visible{transform:translateY(0);opacity:1;}
.sticky-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  height:64px;
}
.sticky-text{
  font-size:15px;
  color:var(--text);
  font-weight:500;
}
.sticky-actions{display:flex;align-items:center;gap:10px;}
.sticky-close{
  width:32px;
  height:32px;
  border-radius:50%;
  border:1px solid var(--line);
  color:var(--muted);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.sticky-close:hover{background:var(--bg);color:var(--ink);border-color:var(--brand);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav-list{gap:16px;}
  .nav-link{font-size:14px;}
  .nav-search input{width:150px;}
  .nav-search input:focus{width:180px;}
  .matrix-layout{grid-template-columns:1fr 280px;gap:24px;}
}

@media (max-width:991px){
  h1{font-size:32px;}
  h2{font-size:25px;}
  .page-hero h1{font-size:32px;}
  .section{padding:60px 0;}
  .section-sm{padding:46px 0;}
  .main-nav{display:none;}
  .nav-search{display:none;}
  .nav-toggle{display:flex;}
  .header-inner{height:66px;justify-content:space-between;}
  .site-header.is-scrolled .header-inner{height:60px;}
  .badge-row{grid-template-columns:repeat(2,1fr);gap:20px 22px;}
  .badge-cell{border-right:0;padding-right:0;}
  .matrix-layout{grid-template-columns:1fr;}
  .flow-grid{grid-template-columns:1fr;gap:16px;}
  .policy-grid{grid-template-columns:1fr;}
  .notice-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-card{padding:42px 34px;}
}

@media (max-width:767px){
  body{padding-bottom:56px;}
  .container{padding:0 16px;}
  h1{font-size:27px;}
  h2{font-size:22px;}
  h3{font-size:18px;}
  .section{padding:44px 0;}
  .section-sm{padding:36px 0;}
  .section-tight{padding:30px 0;}
  .page-hero{padding:34px 0 44px;}
  .page-hero h1{font-size:27px;}
  .page-hero .hero-lead{font-size:15px;}
  .badge-strip{margin-top:-22px;}
  .badge-row{grid-template-columns:1fr 1fr;padding:20px;border-radius:var(--r-lg);}
  .badge-value{font-size:22px;}
  .btn-lg{height:48px;padding:0 22px;font-size:15px;}
  .header-actions .btn{display:none;}
  .faq-q{font-size:16px;padding:17px 18px;}
  .faq-a p{padding:0 18px 18px;}
  .cta-card{padding:34px 22px;border-radius:var(--r-lg);}
  .cta-card h2{font-size:23px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .sticky-inner{height:56px;}
  .sticky-text{font-size:13px;}
  .policy-card{padding:20px;}
}

@media (max-width:519px){
  .badge-row{grid-template-columns:1fr;}
  .btn{width:100%;}
  .hero-actions .btn,
  .cta-actions .btn{width:100%;}
  .sticky-actions .btn{width:auto;}
}