/* roulang page: index */
:root{
  --brand:#0E5F52;
  --brand-2:#1E9E78;
  --accent:#FF6B35;
  --accent-2:#FF9A5A;
  --lime:#D7F26B;
  --ink:#0B1F1C;
  --bg:#F7F5EF;
  --card:#FFFFFF;
  --line:#E3E8E2;
  --text:#102A26;
  --text-2:#4E625E;
  --text-3:#7C8F8B;
  --radius-xl:28px;
  --radius-lg:24px;
  --radius-md:20px;
  --radius-sm:14px;
  --shadow:0 4px 12px rgba(11,31,28,.05),0 18px 40px rgba(11,31,28,.08);
  --shadow-hover:0 10px 20px rgba(11,31,28,.10),0 24px 52px rgba(11,31,28,.12);
  --grad-brand:linear-gradient(135deg,#0E5F52 0%,#1E9E78 72%,#D7F26B 100%);
  --grad-accent:linear-gradient(135deg,#FF6B35 0%,#FF9A5A 100%);
  --section-y:104px;
}
*,*::before,*::after{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .25s ease;}
a:hover{color:var(--accent);}
button{font-family:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:1rem;}
h1,h2,h3,h4{color:var(--ink);margin:0;letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:var(--section-y) 0;}
.section--tight{padding:72px 0;}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.82rem;font-weight:700;letter-spacing:.14em;
  color:var(--brand);text-transform:uppercase;
  background:rgba(215,242,107,.45);
  border:1px solid rgba(14,95,82,.12);
  padding:7px 16px;border-radius:999px;margin-bottom:20px;
}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent);}
h1{font-size:clamp(2.2rem,5vw,3.8rem);font-weight:800;line-height:1.15;}
h2{font-size:clamp(1.6rem,3vw,2.4rem);font-weight:700;line-height:1.25;}
h3{font-size:1.32rem;font-weight:700;line-height:1.4;}
.lead{color:var(--text-2);font-size:1.08rem;line-height:1.9;margin-top:18px;}
.num{font-family:"DIN Alternate","Barlow","Helvetica Neue",sans-serif;font-weight:700;letter-spacing:-.02em;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:15px 30px;border-radius:999px;border:1px solid transparent;
  font-size:1rem;font-weight:700;line-height:1;cursor:pointer;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
}
.btn-primary{background:var(--grad-accent);color:#fff;box-shadow:0 10px 24px rgba(255,107,53,.28);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,107,53,.36);}
.btn-primary:active{transform:translateY(1px);}
.btn-brand{background:var(--grad-brand);color:#fff;box-shadow:0 10px 24px rgba(14,95,82,.28);}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(14,95,82,.34);}
.btn-brand:active{transform:translateY(1px);}
.btn-ghost{background:transparent;border-color:rgba(14,95,82,.32);color:var(--brand);}
.btn-ghost:hover{background:rgba(215,242,107,.42);border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}
.btn-light{background:#fff;color:var(--brand);border-color:rgba(255,255,255,.6);}
.btn-light:hover{color:var(--brand);transform:translateY(-2px);box-shadow:0 14px 30px rgba(11,31,28,.18);}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff;}
.btn-outline-light:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;}
.btn-sm{padding:11px 22px;font-size:.92rem;}
.btn-lg{padding:18px 38px;font-size:1.06rem;}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:3px solid var(--lime);outline-offset:3px;
}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}

/* 徽章标签 */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;
  font-size:.82rem;font-weight:700;line-height:1.4;
  background:rgba(14,95,82,.08);color:var(--brand);border:1px solid rgba(14,95,82,.12);
}
.badge-lime{background:var(--lime);color:#123B33;border-color:transparent;}
.badge-accent{background:rgba(255,107,53,.12);color:#C6411A;border-color:rgba(255,107,53,.2);}
.stat-badge{
  display:inline-flex;flex-direction:column;gap:2px;
  padding:16px 22px;border-radius:18px;background:#fff;
  box-shadow:var(--shadow);border:1px solid var(--line);min-width:132px;
}
.stat-badge strong{font-family:"DIN Alternate","Barlow",sans-serif;font-size:1.6rem;color:var(--brand);line-height:1.1;}
.stat-badge span{font-size:.82rem;color:var(--text-3);}

/* 悬浮胶囊导航 */
.site-header{
  position:fixed;top:16px;left:0;right:0;z-index:60;
  display:flex;justify-content:center;pointer-events:none;
}
.nav-shell{
  pointer-events:auto;
  width:calc(100% - 32px);max-width:1200px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:10px 12px 10px 20px;
  background:rgba(255,255,255,.78);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(14,95,82,.12);
  border-radius:999px;
  box-shadow:0 6px 18px rgba(11,31,28,.07),0 18px 40px rgba(11,31,28,.06);
  transition:box-shadow .3s ease,background .3s ease;
}
.nav-shell.is-stuck{background:rgba(255,255,255,.94);box-shadow:0 10px 26px rgba(11,31,28,.12),0 26px 54px rgba(11,31,28,.10);}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{
  width:40px;height:40px;border-radius:13px;
  background:var(--grad-brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:1.1rem;letter-spacing:.02em;
}
.brand-text{font-weight:800;font-size:1.06rem;color:var(--ink);white-space:nowrap;}
.brand-text em{font-style:normal;color:var(--brand);}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-links a{
  position:relative;display:block;padding:10px 15px;border-radius:999px;
  font-size:.95rem;font-weight:600;color:var(--text-2);white-space:nowrap;
  transition:color .25s ease,background .25s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:50%;bottom:5px;transform:translateX(-50%) scaleX(0);
  width:22px;height:3px;border-radius:3px;background:var(--grad-accent);
  transition:transform .28s ease;
}
.nav-links a:hover{color:var(--brand);background:rgba(215,242,107,.28);}
.nav-links a:hover::after{transform:translateX(-50%) scaleX(1);}
.nav-links a.active{color:var(--brand);background:rgba(14,95,82,.09);}
.nav-links a.active::after{transform:translateX(-50%) scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:50%;
  border:1px solid rgba(14,95,82,.18);background:#fff;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand);transition:transform .28s ease,opacity .28s ease;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* Hero */
.hero{
  position:relative;overflow:hidden;
  padding:170px 0 96px;
  background:
    radial-gradient(760px 460px at 88% 8%,rgba(215,242,107,.42),transparent 62%),
    radial-gradient(620px 420px at 6% 76%,rgba(30,158,120,.14),transparent 60%),
    var(--bg);
}
.hero::after{
  content:"";position:absolute;inset:auto -10% -60% -10%;height:320px;
  background:linear-gradient(180deg,rgba(247,245,239,0),rgba(247,245,239,1));
  pointer-events:none;
}
.hero-grid{position:relative;z-index:2;}
.hero-copy{max-width:600px;}
.hero h1{margin-top:6px;}
.hero-sub{color:var(--text-2);font-size:1.12rem;line-height:1.85;margin-top:22px;max-width:540px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:14px;margin-top:40px;}
.hero-media{position:relative;margin-top:12px;}
.hero-media-frame{
  position:relative;border-radius:var(--radius-xl);overflow:hidden;
  box-shadow:var(--shadow-hover);border:6px solid #fff;
}
.hero-media-frame img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .7s ease;}
.hero-media-frame:hover img{transform:scale(1.03);}
.hero-media-frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(14,95,82,.30),rgba(11,31,28,.05) 55%,rgba(255,107,53,.18));
}
.hero-float{
  position:absolute;z-index:3;
  padding:14px 20px;border-radius:18px;background:#fff;
  box-shadow:var(--shadow-hover);border:1px solid var(--line);
}
.hero-float strong{display:block;font-family:"DIN Alternate","Barlow",sans-serif;font-size:1.5rem;color:var(--brand);line-height:1.15;}
.hero-float span{font-size:.8rem;color:var(--text-3);}
.hero-float.f1{left:-14px;bottom:52px;}
.hero-float.f2{right:-8px;top:38px;background:var(--lime);border-color:transparent;}
.hero-float.f2 strong{color:#123B33;}

/* 数据条 */
.stat-strip{padding:0 0 8px;}
.stat-strip-inner{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-xl);
  box-shadow:var(--shadow);padding:34px 30px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:26px;
}
.stat-item{padding-left:22px;border-left:3px solid rgba(215,242,107,.9);}
.stat-item strong{display:block;font-family:"DIN Alternate","Barlow",sans-serif;font-size:2.1rem;color:var(--brand);line-height:1.1;}
.stat-item span{font-size:.9rem;color:var(--text-3);display:block;margin-top:6px;}
.stat-item p{font-size:.9rem;color:var(--text-2);margin-top:8px;}

/* 痛点区 */
.pain{background:#fff;border-radius:var(--radius-xl);}
.pain-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.pain-card{
  position:relative;padding:32px 30px 30px;border-radius:var(--radius-lg);
  background:var(--bg);border:1px solid var(--line);
  transition:transform .3s ease,box-shadow .3s ease,background .3s ease;
}
.pain-card:nth-child(even){transform:translateY(28px);}
.pain-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);background:#fff;}
.pain-card:nth-child(even):hover{transform:translateY(24px);}
.pain-card .idx{
  font-family:"DIN Alternate","Barlow",sans-serif;font-size:2.4rem;
  color:rgba(14,95,82,.16);line-height:1;font-weight:700;
}
.pain-card h3{margin:12px 0 10px;}
.pain-card p{color:var(--text-2);font-size:.98rem;}
.pain-card .badge{margin-top:18px;}

/* 解决方案 */
.solution-row{
  display:grid;grid-template-columns:1.02fr 1fr;gap:46px;align-items:center;
  padding:36px;border-radius:var(--radius-xl);background:#fff;
  border:1px solid var(--line);box-shadow:var(--shadow);
  margin-bottom:32px;position:relative;overflow:hidden;
}
.solution-row::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:6px;background:var(--grad-brand);
}
.solution-row.reverse{grid-template-columns:1fr 1.02fr;}
.solution-row.reverse .solution-text{order:2;}
.solution-row.reverse .solution-media{order:1;}
.solution-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--radius-md);
  box-shadow:var(--shadow);transition:transform .6s ease;
}
.solution-media:hover img{transform:scale(1.03);}
.step-badge{
  display:inline-flex;align-items:center;gap:8px;
  font-family:"DIN Alternate","Barlow",sans-serif;font-weight:700;
  color:#123B33;background:var(--lime);padding:6px 16px;border-radius:999px;font-size:.86rem;
}
.solution-text h3{margin:16px 0 12px;font-size:1.5rem;}
.solution-text p{color:var(--text-2);}
.solution-list{margin-top:20px;display:grid;gap:12px;}
.solution-list li{display:flex;gap:12px;align-items:flex-start;color:var(--text-2);font-size:.98rem;}
.solution-list li::before{
  content:"";flex-shrink:0;margin-top:10px;width:8px;height:8px;border-radius:50%;
  background:var(--grad-accent);
}

/* 业务线卡片 */
.lines-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.line-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow);transition:transform .3s ease,box-shadow .3s ease;
}
.line-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.line-media{position:relative;overflow:hidden;}
.line-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .6s ease;}
.line-card:hover .line-media img{transform:scale(1.03);}
.line-media .badge{position:absolute;left:16px;top:16px;background:#fff;}
.line-body{padding:26px 26px 28px;display:flex;flex-direction:column;flex:1;}
.line-body h3{font-size:1.28rem;}
.line-body h3:hover{color:var(--accent);}
.line-body p{color:var(--text-2);font-size:.96rem;margin-top:12px;flex:1;}
.line-link{
  display:inline-flex;align-items:center;gap:8px;margin-top:22px;
  font-weight:700;color:var(--brand);font-size:.95rem;
}
.line-link::after{content:"→";transition:transform .25s ease;}
.line-card:hover .line-link::after{transform:translateX(5px);}

/* 成果区 */
.result{background:linear-gradient(180deg,#fff 0%,#FFFFFF 40%,var(--bg) 100%);}
.result-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:34px;align-items:stretch;}
.result-main{
  position:relative;border-radius:var(--radius-xl);overflow:hidden;
  box-shadow:var(--shadow-hover);
}
.result-main img{width:100%;height:100%;min-height:380px;object-fit:cover;}
.result-main .mask{
  position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;
  padding:38px;background:linear-gradient(180deg,rgba(11,31,28,0) 34%,rgba(11,31,28,.86));
  color:#fff;
}
.result-main .mask h3{color:#fff;font-size:1.5rem;}
.result-main .mask p{color:rgba(255,255,255,.82);font-size:.96rem;margin-top:10px;max-width:440px;}
.result-side{display:grid;gap:24px;}
.result-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:30px;box-shadow:var(--shadow);transition:transform .3s ease,box-shadow .3s ease;
}
.result-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.result-card strong{display:block;font-family:"DIN Alternate","Barlow",sans-serif;font-size:2.2rem;color:var(--accent);line-height:1.1;}
.result-card h4{font-size:1.1rem;margin:10px 0 8px;color:var(--ink);}
.result-card p{color:var(--text-2);font-size:.94rem;}

/* 证言 */
.quotes{background:#fff;}
.quotes-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px;}
.quote-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:start;}
.quote-card{
  background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:34px 32px;position:relative;
  transition:transform .3s ease,box-shadow .3s ease,background .3s ease;
}
.quote-card:nth-child(2){transform:translateY(34px);}
.quote-card:hover{background:#fff;box-shadow:var(--shadow-hover);transform:translateY(-4px);}
.quote-card:nth-child(2):hover{transform:translateY(30px);}
.quote-mark{font-family:Georgia,serif;font-size:3rem;line-height:1;color:rgba(14,95,82,.16);}
.quote-card p{color:var(--text-2);margin-top:8px;}
.quote-user{display:flex;align-items:center;gap:14px;margin-top:24px;padding-top:20px;border-top:1px dashed var(--line);}
.avatar{
  width:48px;height:48px;border-radius:50%;flex-shrink:0;
  background:var(--grad-brand);color:#fff;display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:1rem;
}
.quote-user b{display:block;color:var(--ink);font-size:.98rem;}
.quote-user span{font-size:.85rem;color:var(--text-3);}
.quote-ctrl{display:flex;gap:10px;}
.quote-ctrl button{
  width:46px;height:46px;border-radius:50%;border:1px solid rgba(14,95,82,.2);
  background:#fff;color:var(--brand);font-size:1.1rem;font-weight:700;
  transition:background .25s ease,transform .25s ease,color .25s ease;
}
.quote-ctrl button:hover{background:var(--lime);color:#123B33;transform:translateY(-2px);}

/* 最新信息 */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px;}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.news-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);
  transition:transform .3s ease,box-shadow .3s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.news-card .thumb{position:relative;overflow:hidden;}
.news-card .thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .6s ease;}
.news-card:hover .thumb img{transform:scale(1.03);}
.news-card .thumb .badge{position:absolute;left:14px;top:14px;background:#fff;}
.news-body{padding:24px 24px 26px;display:flex;flex-direction:column;flex:1;}
.news-body h3{font-size:1.14rem;line-height:1.5;transition:color .25s ease;}
.news-card:hover .news-body h3{color:var(--accent);}
.news-body p{
  color:var(--text-2);font-size:.93rem;margin-top:12px;flex:1;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:20px;font-size:.84rem;color:var(--text-3);}
.news-more{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--brand);}
.news-more::after{content:"→";transition:transform .25s ease;}
.news-more:hover::after{transform:translateX(5px);}
.empty-state{
  grid-column:1 / -1;text-align:center;padding:60px 30px;border-radius:var(--radius-lg);
  background:#fff;border:1px dashed rgba(14,95,82,.28);
}
.empty-state .ico{
  width:60px;height:60px;margin:0 auto 18px;border-radius:20px;
  background:rgba(215,242,107,.5);display:flex;align-items:center;justify-content:center;
  font-size:1.6rem;color:var(--brand);
}
.empty-state p{color:var(--text-2);margin-bottom:22px;}

/* FAQ */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-left:4px solid transparent;
  border-radius:var(--radius-lg);margin-bottom:16px;overflow:hidden;
  transition:border-color .3s ease,box-shadow .3s ease,background .3s ease;
}
.faq-item:hover{background:rgba(215,242,107,.22);}
.faq-item.is-open{border-left-color:var(--brand);box-shadow:var(--shadow);background:#fff;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:transparent;border:0;text-align:left;padding:24px 28px;
  font-size:1.06rem;font-weight:700;color:var(--ink);
}
.faq-q .sign{
  flex-shrink:0;width:32px;height:32px;border-radius:50%;
  background:rgba(14,95,82,.08);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:1.15rem;font-weight:700;
  transition:background .3s ease,color .3s ease,transform .3s ease;
}
.faq-item.is-open .faq-q .sign{background:var(--grad-accent);color:#fff;transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .38s ease;}
.faq-a p{padding:0 28px 26px;color:var(--text-2);font-size:.98rem;}

/* CTA 与表单 */
.cta{
  position:relative;overflow:hidden;border-radius:var(--radius-xl);
  background:var(--grad-brand);color:#fff;
  padding:56px 52px;box-shadow:0 24px 60px rgba(14,95,82,.28);
}
.cta::before{
  content:"";position:absolute;width:420px;height:420px;border-radius:50%;
  right:-140px;top:-160px;background:rgba(215,242,107,.22);
}
.cta::after{
  content:"";position:absolute;width:300px;height:300px;border-radius:50%;
  left:-110px;bottom:-150px;background:rgba(255,107,53,.20);
}
.cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.cta h2{color:#fff;}
.cta p{color:rgba(255,255,255,.86);margin-top:18px;}
.form-card{background:#fff;border-radius:var(--radius-lg);padding:32px;box-shadow:0 20px 50px rgba(11,31,28,.20);}
.form-card h3{font-size:1.2rem;color:var(--ink);}
.form-card .hint{font-size:.88rem;color:var(--text-3);margin-top:8px;}
.field{margin-top:18px;}
.field label{display:block;font-size:.88rem;font-weight:600;color:var(--text-2);margin-bottom:8px;}
.field input,.field textarea{
  width:100%;padding:14px 16px;border-radius:var(--radius-sm);
  border:1px solid var(--line);background:#FBFAF7;color:var(--text);
  transition:border-color .25s ease,box-shadow .25s ease,background .25s ease;
}
.field textarea{min-height:96px;resize:vertical;}
.field input:focus,.field textarea:focus{
  outline:none;background:#fff;border-color:var(--brand-2);
  box-shadow:0 0 0 4px rgba(215,242,107,.55);
}
.form-msg{margin-top:16px;font-size:.9rem;display:none;}
.form-msg.ok{display:block;color:var(--brand);font-weight:600;}
.form-msg.err{display:block;color:var(--accent);font-weight:600;}

/* 页脚 */
.site-footer{background:var(--ink);color:rgba(247,245,239,.78);padding:82px 0 0;margin-top:var(--section-y);}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:20px;}
.footer-brand .brand-mark{background:var(--grad-accent);}
.footer-brand .brand-text{color:#fff;}
.footer-brand .brand-text em{color:var(--lime);font-style:normal;}
.site-footer p{font-size:.94rem;line-height:1.9;color:rgba(247,245,239,.66);}
.footer-title{color:#fff;font-size:1rem;font-weight:700;margin-bottom:20px;letter-spacing:.02em;}
.footer-links{display:grid;gap:12px;}
.footer-links a{color:rgba(247,245,239,.72);font-size:.94rem;}
.footer-links a:hover{color:var(--lime);}
.footer-contact{display:grid;gap:14px;}
.footer-contact li{display:flex;gap:10px;font-size:.94rem;color:rgba(247,245,239,.72);}
.footer-contact li b{color:var(--lime);font-weight:700;flex-shrink:0;}
.footer-bottom{
  margin-top:60px;padding:24px 0;border-top:1px solid rgba(247,245,239,.14);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:.85rem;color:rgba(247,245,239,.5);
}

/* 响应式 */
@media screen and (max-width:1023px){
  :root{--section-y:76px;}
  .nav-links{
    position:absolute;top:calc(100% + 12px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:6px;
    background:rgba(255,255,255,.98);border:1px solid var(--line);
    border-radius:26px;padding:16px;box-shadow:var(--shadow-hover);
    display:none;
  }
  .nav-links.is-open{display:flex;}
  .nav-links a{padding:14px 18px;border-radius:16px;font-size:1rem;}
  .nav-links a::after{display:none;}
  .nav-shell{position:relative;flex-wrap:wrap;border-radius:26px;padding:10px 12px 10px 16px;}
  .nav-toggle{display:flex;}
  .nav-actions .btn{display:none;}
  .nav-actions .nav-toggle{margin-left:auto;}
  .hero{padding:132px 0 76px;}
  .hero-media{margin-top:44px;}
  .hero-float.f1{left:8px;}
  .hero-float.f2{right:8px;}
  .stat-strip-inner{grid-template-columns:repeat(2,1fr);}
  .pain-grid{grid-template-columns:1fr;gap:18px;}
  .pain-card:nth-child(even),.pain-card:nth-child(even):hover{transform:none;}
  .solution-row,.solution-row.reverse{grid-template-columns:1fr;gap:28px;padding:28px;}
  .solution-row.reverse .solution-text{order:1;}
  .solution-row.reverse .solution-media{order:2;}
  .lines-grid{grid-template-columns:1fr;gap:22px;}
  .result-grid{grid-template-columns:1fr;}
  .quote-grid{grid-template-columns:1fr;}
  .quote-card:nth-child(2),.quote-card:nth-child(2):hover{transform:none;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .cta{padding:42px 32px;}
  .cta-grid{grid-template-columns:1fr;gap:34px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media screen and (max-width:639px){
  :root{--section-y:56px;}
  body{font-size:16px;line-height:1.8;}
  .container{padding:0 18px;}
  .nav-shell{width:calc(100% - 20px);}
  .brand-mark{width:36px;height:36px;border-radius:12px;font-size:1rem;}
  .brand-text{font-size:.98rem;}
  .hero{padding:118px 0 60px;}
  .hero-badges{gap:10px;margin-top:30px;}
  .stat-badge{padding:13px 16px;min-width:calc(50% - 6px);}
  .stat-strip-inner{grid-template-columns:1fr;gap:20px;padding:26px 22px;}
  .stat-item{padding-left:16px;}
  .pain-card{padding:24px 22px;}
  .solution-row{padding:22px;}
  .solution-text h3{font-size:1.24rem;}
  .result-main img{min-height:280px;}
  .result-main .mask{padding:24px;}
  .result-card{padding:24px 22px;}
  .quote-card{padding:26px 22px;}
  .news-grid{grid-template-columns:1fr;}
  .faq-q{padding:20px 20px;font-size:1rem;}
  .faq-a p{padding:0 20px 22px;}
  .cta{padding:34px 22px;}
  .form-card{padding:24px 20px;}
  .btn{width:100%;}
  .btn-row{flex-direction:column;}
  .quote-ctrl{width:100%;}
  .quote-ctrl button{width:100%;border-radius:14px;height:44px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .site-footer{padding-top:58px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;text-align:left;}
  .hero-float{padding:11px 15px;border-radius:16px;}
  .hero-float strong{font-size:1.2rem;}
  .hero-float.f1{left:4px;bottom:24px;}
  .hero-float.f2{right:4px;top:16px;}
}

/* roulang page: article */
:root{
  --brand:#0E5F52;
  --brand-2:#1E9E78;
  --accent:#FF6B35;
  --accent-2:#FF9A5A;
  --lime:#D7F26B;
  --ink:#0B1F1C;
  --bg:#F7F5EF;
  --card:#FFFFFF;
  --line:#E3E8E2;
  --text:#102A26;
  --text-2:#4E625E;
  --text-3:#7C8F8B;
  --grad-brand:linear-gradient(135deg,#0E5F52 0%,#1E9E78 68%,#D7F26B 100%);
  --grad-accent:linear-gradient(135deg,#FF6B35 0%,#FF9A5A 100%);
  --r-xl:28px;
  --r-lg:24px;
  --r-md:20px;
  --r-sm:14px;
  --pill:999px;
  --sh:0 4px 12px rgba(11,31,28,.05),0 18px 40px rgba(11,31,28,.08);
  --sh-hover:0 10px 20px rgba(11,31,28,.10),0 24px 52px rgba(11,31,28,.12);
  --wrap:1200px;
  --read:820px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-md)}
a{color:var(--brand);text-decoration:none;transition:color .25s ease}
a:hover{color:var(--accent)}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.25}
p{margin:0 0 1.1em}
ul,ol{margin:0 0 1.1em;padding-left:1.15em}
button{font:inherit}
:focus-visible{outline:3px solid var(--lime);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 20px}

/* ============ header / nav ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  padding:16px 16px 0;
}
.nav-shell{
  position:relative;
  max-width:var(--wrap);
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:18px;
  padding:10px 12px 10px 18px;
  background:rgba(255,255,255,.78);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid rgba(14,95,82,.12);
  border-radius:var(--pill);
  box-shadow:0 8px 26px rgba(11,31,28,.08);
}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;white-space:nowrap}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:var(--grad-brand);
  color:#fff;font-size:1.05rem;font-weight:800;
  box-shadow:0 6px 16px rgba(14,95,82,.28);
}
.brand-text{font-size:1.12rem;letter-spacing:.02em}
.brand-text em{font-style:normal;color:var(--brand);font-weight:700}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  position:relative;
  padding:9px 15px;
  border-radius:var(--pill);
  color:var(--text-2);
  font-size:.95rem;
  font-weight:500;
  transition:background .25s ease,color .25s ease,transform .2s ease;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:50%;bottom:4px;
  width:0;height:2px;
  border-radius:2px;
  background:var(--grad-accent);
  transform:translateX(-50%);
  transition:width .25s ease;
}
.nav-links a:hover{background:rgba(14,95,82,.07);color:var(--brand)}
.nav-links a:hover::after{width:22px}
.nav-links a.active{background:rgba(14,95,82,.10);color:var(--brand);font-weight:700}
.nav-links a.active::after{width:26px}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--line);
  border-radius:14px;
  background:#fff;
  cursor:pointer;
  padding:0;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand);transition:transform .25s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ============ buttons ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 28px;
  border:1px solid transparent;
  border-radius:var(--pill);
  font-size:1rem;
  font-weight:700;
  cursor:pointer;
  transition:transform .22s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--grad-accent);color:#fff;box-shadow:0 10px 24px rgba(255,107,53,.28)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,107,53,.34)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 16px rgba(255,107,53,.26)}
.btn-ghost{background:#fff;color:var(--brand);border-color:rgba(14,95,82,.22)}
.btn-ghost:hover{background:rgba(215,242,107,.45);border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn-sm{padding:10px 20px;font-size:.9rem}

/* ============ badges & tags ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;
  border-radius:var(--pill);
  background:var(--lime);
  color:#123527;
  font-size:.8rem;
  font-weight:700;
  letter-spacing:.02em;
}
.badge-outline{background:#fff;border:1px solid var(--line);color:var(--text-2);font-weight:600}
.tag{
  display:inline-flex;align-items:center;
  padding:5px 13px;
  border-radius:var(--pill);
  background:rgba(14,95,82,.08);
  color:var(--brand);
  font-size:.8rem;
  font-weight:600;
}

/* ============ article head ============ */
.article-hero{padding:44px 0 26px}
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:.875rem;
  color:var(--text-3);
  margin-bottom:20px;
}
.crumbs a{color:var(--text-3)}
.crumbs a:hover{color:var(--accent)}
.crumbs .sep{opacity:.6}
.crumbs .now{color:var(--text-2);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-title{
  font-size:clamp(1.85rem,3.6vw,2.9rem);
  font-weight:800;
  line-height:1.2;
  max-width:24ch;
  margin-bottom:18px;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px;
  color:var(--text-3);
  font-size:.9rem;
}
.article-meta .dot{width:5px;height:5px;border-radius:50%;background:var(--line)}

/* ============ layout ============ */
.main-wrap{padding:14px 0 90px}
.layout-grid{display:flex;flex-wrap:wrap;gap:32px;align-items:flex-start}
.layout-main{flex:1 1 620px;min-width:0}
.layout-side{flex:0 1 320px;min-width:260px}

.article-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  box-shadow:var(--sh);
  padding:48px;
}
.article-body{max-width:var(--read);font-size:1.06rem;line-height:1.9;color:var(--text);word-wrap:break-word}
.article-body p{margin:0 0 1.25em}
.article-body h2{
  font-size:clamp(1.35rem,2.4vw,1.7rem);
  margin:48px 0 16px;
  padding-left:16px;
  position:relative;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:5px;border-radius:4px;background:var(--grad-accent);
}
.article-body h3{font-size:1.24rem;margin:32px 0 12px;color:var(--brand)}
.article-body ul,.article-body ol{padding-left:1.3em;margin:0 0 1.25em}
.article-body li{margin-bottom:.5em}
.article-body blockquote{
  margin:26px 0;
  padding:18px 22px;
  background:rgba(215,242,107,.24);
  border-left:5px solid var(--lime);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-md);margin:24px 0;box-shadow:var(--sh)}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:.95rem;background:#fff;border-radius:var(--r-sm);overflow:hidden;box-shadow:var(--sh)}
.article-body th,.article-body td{padding:13px 16px;border-bottom:1px solid var(--line);text-align:left}
.article-body th{background:rgba(14,95,82,.07);color:var(--ink);font-weight:700}
.article-body tr:last-child td{border-bottom:0}
.article-body pre{
  background:var(--ink);color:#EAF3F0;
  padding:20px 22px;border-radius:var(--r-sm);
  overflow-x:auto;font-size:.9rem;line-height:1.7;margin:24px 0;
}
.article-body code{background:rgba(14,95,82,.08);color:var(--brand);padding:2px 7px;border-radius:6px;font-size:.92em}
.article-body pre code{background:none;color:inherit;padding:0}
.article-body a{border-bottom:1px dashed rgba(255,107,53,.55)}
.article-body a:hover{border-bottom-color:var(--accent)}

.empty-state{
  text-align:center;
  padding:56px 24px;
  border:1px dashed var(--line);
  border-radius:var(--r-lg);
  background:rgba(255,255,255,.6);
}
.empty-state .empty-icon{
  width:64px;height:64px;margin:0 auto 18px;
  border-radius:20px;
  background:var(--grad-brand);
  color:#fff;font-size:1.6rem;font-weight:800;
  display:flex;align-items:center;justify-content:center;
}
.empty-state h3{font-size:1.25rem;margin-bottom:10px}
.empty-state p{color:var(--text-2);margin-bottom:22px}

/* ============ sidebar ============ */
.side-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh);
  padding:26px;
  margin-bottom:24px;
}
.side-card:last-child{margin-bottom:0}
.side-title{
  font-size:1.05rem;
  font-weight:800;
  color:var(--ink);
  margin-bottom:16px;
  display:flex;align-items:center;gap:9px;
}
.side-title::before{content:"";width:9px;height:9px;border-radius:3px;background:var(--grad-accent)}
.toc-list{list-style:none;margin:0;padding:0}
.toc-list li{margin-bottom:10px;font-size:.94rem;color:var(--text-2);line-height:1.6}
.toc-list li:last-child{margin-bottom:0}
.toc-list a{color:var(--text-2)}
.toc-list a:hover{color:var(--accent)}
.side-mini{display:flex;gap:14px;padding:12px 0;border-bottom:1px solid var(--line)}
.side-mini:last-child{border-bottom:0;padding-bottom:0}
.side-mini img{width:78px;height:60px;flex:0 0 78px;object-fit:cover;border-radius:var(--r-sm);transition:transform .3s ease}
.side-mini:hover img{transform:scale(1.04)}
.side-mini h4{font-size:.95rem;font-weight:700;line-height:1.5;margin:0 0 6px}
.side-mini h4 a{color:var(--ink)}
.side-mini h4 a:hover{color:var(--accent)}
.side-mini span{font-size:.78rem;color:var(--text-3)}
.side-cta{
  background:var(--grad-brand);
  border:0;
  color:#fff;
  border-radius:var(--r-lg);
  padding:28px 26px;
  box-shadow:0 18px 40px rgba(14,95,82,.24);
}
.side-cta .side-title{color:#fff}
.side-cta .side-title::before{background:var(--lime)}
.side-cta p{color:rgba(255,255,255,.86);font-size:.95rem;margin-bottom:18px}
.side-cta .btn-ghost{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.5)}
.side-cta .btn-ghost:hover{background:var(--lime);color:#123527;border-color:var(--lime)}

/* ============ related ============ */
.related{padding:0 0 90px}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:34px}
.section-head h2{font-size:clamp(1.6rem,3vw,2.2rem);font-weight:800}
.section-head p{color:var(--text-2);margin:8px 0 0;max-width:56ch;font-size:.98rem}
.link-more{font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.link-more:hover{color:var(--accent);gap:10px}

.rec-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh);
  overflow:hidden;
  height:100%;
  display:flex;
  flex-direction:column;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(14,95,82,.2)}
.rec-media{position:relative;overflow:hidden}
.rec-media img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;transition:transform .5s ease}
.rec-card:hover .rec-media img{transform:scale(1.03)}
.rec-media .badge{position:absolute;left:16px;top:16px;box-shadow:0 6px 16px rgba(11,31,28,.18)}
.rec-body{padding:26px;display:flex;flex-direction:column;gap:12px;flex:1}
.rec-body h3{font-size:1.22rem;line-height:1.5}
.rec-body h3 a{color:var(--ink)}
.rec-body h3 a:hover{color:var(--accent)}
.rec-body p{color:var(--text-2);font-size:.95rem;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rec-foot{display:flex;align-items:center;gap:12px;margin-top:auto;font-size:.82rem;color:var(--text-3)}
.rec-foot .dot{width:4px;height:4px;border-radius:50%;background:var(--line)}

/* ============ CTA ============ */
.cta-band{padding:0 0 96px}
.cta-card{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-xl);
  background:var(--grad-brand);
  color:#fff;
  padding:60px 48px;
  box-shadow:0 24px 60px rgba(14,95,82,.26);
}
.cta-card::after{
  content:"";
  position:absolute;right:-90px;top:-90px;
  width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(215,242,107,.5),transparent 70%);
}
.cta-card h2{color:#fff;font-size:clamp(1.7rem,3.2vw,2.4rem);font-weight:800;margin-bottom:16px;max-width:22ch}
.cta-card p{color:rgba(255,255,255,.9);max-width:60ch;margin-bottom:30px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:2}
.cta-card .btn-ghost{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.55)}
.cta-card .btn-ghost:hover{background:#fff;color:var(--brand);border-color:#fff}
.cta-stats{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;position:relative;z-index:2}
.cta-stat{
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.3);
  border-radius:var(--r-md);
  padding:14px 20px;
  min-width:150px;
}
.cta-stat b{display:block;font-family:"DIN Alternate","Barlow",sans-serif;font-size:1.6rem;font-weight:800;letter-spacing:.02em}
.cta-stat span{font-size:.82rem;color:rgba(255,255,255,.85)}

/* ============ footer ============ */
.site-footer{background:var(--ink);color:#DCE7E3;padding:70px 0 26px;font-size:.95rem}
.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .9fr 1.1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.footer-brand .brand-text{color:#fff;font-size:1.1rem;font-weight:800}
.footer-brand .brand-text em{font-style:normal;color:var(--lime)}
.site-footer p{color:rgba(220,231,227,.78);line-height:1.85;margin:0}
.footer-title{color:#fff;font-weight:800;font-size:1rem;margin-bottom:18px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{color:rgba(220,231,227,.78)}
.footer-links a:hover{color:var(--lime)}
.footer-contact{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:13px}
.footer-contact li{display:flex;flex-direction:column;gap:3px;font-size:.9rem;color:rgba(220,231,227,.78)}
.footer-contact li b{color:#fff;font-size:.85rem;font-weight:700}
.footer-bottom{
  margin-top:46px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:.84rem;color:rgba(220,231,227,.6);
}

/* ============ responsive ============ */
@media (max-width:1199px){
  .nav-links a{padding:9px 12px;font-size:.9rem}
  .layout-main{flex:1 1 560px}
  .layout-side{flex:1 1 300px}
}
@media (max-width:1023px){
  body{font-size:16px}
  .site-header{padding:12px 12px 0}
  .nav-shell{border-radius:26px;padding:10px 12px 10px 16px;gap:12px}
  .nav-toggle{display:flex}
  .nav-links{
    position:absolute;
    top:calc(100% + 12px);
    left:0;right:0;
    margin-left:0;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:14px;
    background:rgba(255,255,255,.97);
    -webkit-backdrop-filter:blur(14px);
    backdrop-filter:blur(14px);
    border:1px solid var(--line);
    border-radius:24px;
    box-shadow:var(--sh);
    display:none;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:13px 16px;border-radius:16px;font-size:1rem}
  .nav-links a::after{display:none}
  .nav-actions .btn-sm{display:none}
  .article-card{padding:34px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-card{padding:46px 32px}
}
@media (max-width:767px){
  .article-hero{padding:32px 0 20px}
  .article-title{font-size:1.7rem}
  .main-wrap{padding-bottom:64px}
  .related,.cta-band{padding-bottom:64px}
  .layout-grid{gap:22px}
  .layout-main,.layout-side{flex:1 1 100%;min-width:0}
  .article-card{padding:24px 20px;border-radius:22px}
  .article-body{font-size:1.02rem}
  .article-body h2{margin-top:34px}
  .cta-card{padding:36px 22px;border-radius:24px}
  .cta-stat{flex:1 1 44%;min-width:0;padding:12px 16px}
  .cta-stat b{font-size:1.3rem}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column}
  .section-head{margin-bottom:24px}
}
@media (max-width:519px){
  .brand-text{font-size:1rem}
  .article-title{font-size:1.5rem}
  .btn{padding:12px 22px;font-size:.95rem}
  .cta-actions .btn{width:100%}
  .rec-body{padding:22px}
}

/* roulang page: category1 */
:root{
  --brand:#0E5F52;
  --brand-2:#1E9E78;
  --accent:#FF6B35;
  --accent-2:#FF9A5A;
  --lime:#D7F26B;
  --ink:#0B1F1C;
  --bg:#F7F5EF;
  --card:#FFFFFF;
  --line:#E3E8E2;
  --text:#102A26;
  --text-2:#4E625E;
  --text-3:#7C8F8B;
  --r-lg:26px;
  --r-md:20px;
  --r-sm:14px;
  --shadow:0 4px 12px rgba(11,31,28,.05),0 18px 40px rgba(11,31,28,.08);
  --shadow-hover:0 10px 20px rgba(11,31,28,.10),0 24px 52px rgba(11,31,28,.12);
  --grad:linear-gradient(135deg,#0E5F52 0%,#1E9E78 76%,#D7F26B 100%);
  --grad-accent:linear-gradient(135deg,#FF6B35 0%,#FF9A5A 100%);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:17px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .25s ease,background-color .25s ease;}
a:hover{color:var(--accent);}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 1.1em;}
h1,h2,h3,h4{margin:0 0 .6em;color:var(--ink);font-weight:700;line-height:1.25;}
h1{font-size:clamp(2.1rem,4.6vw,3.5rem);font-weight:800;line-height:1.15;letter-spacing:-.01em;}
h2{font-size:clamp(1.6rem,3vw,2.4rem);font-weight:700;}
h3{font-size:1.25rem;font-weight:700;}
h4{font-size:1.05rem;font-weight:700;}
button,input,select,textarea{font-family:inherit;font-size:1rem;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.82rem;font-weight:700;letter-spacing:.14em;
  color:var(--brand);background:rgba(215,242,107,.4);
  border-radius:999px;padding:6px 16px;margin-bottom:18px;
}
.section-head p{color:var(--text-2);font-size:1.05rem;margin-bottom:0;}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{position:fixed;top:16px;left:0;right:0;z-index:80;padding:0 16px;}
.nav-shell{
  position:relative;
  max-width:1200px;margin:0 auto;
  display:flex;align-items:center;gap:16px;
  padding:10px 12px 10px 18px;
  background:rgba(255,255,255,.82);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid rgba(14,95,82,.12);
  border-radius:999px;
  box-shadow:0 4px 12px rgba(11,31,28,.05),0 18px 40px rgba(11,31,28,.08);
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;color:var(--ink);font-weight:800;}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:var(--grad);color:#fff;font-size:1.15rem;font-weight:800;
  box-shadow:0 8px 18px rgba(14,95,82,.28);
}
.brand-text{font-size:1.06rem;letter-spacing:.02em;white-space:nowrap;}
.brand-text em{font-style:normal;color:var(--brand);}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-links a{
  position:relative;
  padding:9px 16px;border-radius:999px;
  font-size:.95rem;font-weight:600;color:var(--text-2);
  white-space:nowrap;transition:color .25s ease,background-color .25s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:50%;bottom:3px;transform:translateX(-50%) scaleX(0);
  width:22px;height:3px;border-radius:999px;background:var(--grad);
  transition:transform .28s ease;
}
.nav-links a:hover{color:var(--brand);background:rgba(215,242,107,.3);}
.nav-links a:hover::after{transform:translateX(-50%) scaleX(1);}
.nav-links a.active{color:var(--brand);background:rgba(14,95,82,.08);}
.nav-links a.active::after{transform:translateX(-50%) scaleX(1);}
.nav-links a:focus-visible{outline:3px solid var(--lime);outline-offset:2px;}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:50%;
  border:1px solid rgba(14,95,82,.16);background:#fff;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
  transition:box-shadow .25s ease,border-color .25s ease;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand);transition:transform .28s ease,opacity .2s ease;}
.nav-toggle:hover{border-color:var(--brand);box-shadow:0 6px 16px rgba(14,95,82,.16);}
.nav-toggle:focus-visible{outline:3px solid var(--lime);outline-offset:2px;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 30px;border-radius:999px;border:1px solid transparent;
  font-size:1rem;font-weight:700;letter-spacing:.01em;cursor:pointer;
  transition:transform .25s ease,box-shadow .25s ease,background-color .25s ease,color .25s ease,border-color .25s ease;
}
.btn-primary{background:var(--grad-accent);color:#fff;box-shadow:0 10px 22px rgba(255,107,53,.28);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,107,53,.36);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;color:var(--brand);border-color:rgba(14,95,82,.35);}
.btn-ghost:hover{background:rgba(215,242,107,.35);border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}
.btn-light{background:#fff;color:var(--brand);border-color:rgba(255,255,255,.6);}
.btn-light:hover{color:var(--brand);transform:translateY(-2px);box-shadow:0 14px 28px rgba(11,31,28,.2);}
.btn:focus-visible{outline:3px solid var(--lime);outline-offset:3px;}
.btn-sm{padding:10px 22px;font-size:.92rem;}

/* ---------- 分类页首屏 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:158px 0 92px;
  background:linear-gradient(180deg,#0B1F1C 0%,#0E5F52 100%);
  color:#fff;
}
.page-hero .hero-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  opacity:.28;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 82% 18%,rgba(215,242,107,.24),transparent 55%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.page-hero h1{color:#fff;}
.page-hero h1 span{color:var(--lime);}
.hero-lead{max-width:680px;font-size:1.12rem;color:rgba(255,255,255,.86);margin-bottom:30px;}
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:.875rem;color:rgba(255,255,255,.62);margin-bottom:20px;
}
.crumbs a{color:rgba(255,255,255,.78);}
.crumbs a:hover{color:var(--lime);}
.crumbs i{font-size:.65rem;opacity:.6;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px;}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:14px;
}
.stat-badge{
  display:flex;flex-direction:column;gap:2px;
  min-width:150px;
  padding:16px 22px;border-radius:var(--r-md);
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.2);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
}
.stat-badge b{
  font-family:"DIN Alternate","Barlow",sans-serif;
  font-size:1.6rem;font-weight:800;color:var(--lime);line-height:1.2;
}
.stat-badge span{font-size:.82rem;color:rgba(255,255,255,.78);}
.stat-badge--solid{background:var(--lime);border-color:transparent;}
.stat-badge--solid b{color:var(--brand);}
.stat-badge--solid span{color:rgba(14,95,82,.75);}

/* ---------- 分类页主体：左侧粘性导航 + 右侧内容卡 ---------- */
.cat-layout{padding-top:88px;}
.side-nav{
  position:sticky;top:112px;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:24px 20px;
  box-shadow:var(--shadow);
}
.side-nav-title{
  font-size:.82rem;font-weight:800;letter-spacing:.14em;
  color:var(--text-3);margin-bottom:14px;text-transform:uppercase;
}
.side-nav a{
  display:flex;align-items:center;gap:10px;
  padding:11px 14px;border-radius:var(--r-sm);
  font-size:.95rem;font-weight:600;color:var(--text-2);
  transition:background-color .22s ease,color .22s ease,transform .22s ease;
}
.side-nav a i{color:var(--brand-2);font-size:.82rem;transition:color .22s ease;}
.side-nav a:hover{background:rgba(215,242,107,.34);color:var(--brand);transform:translateX(3px);}
.side-nav a:hover i{color:var(--accent);}
.side-nav a:focus-visible{outline:3px solid var(--lime);outline-offset:2px;}
.side-nav-foot{
  margin-top:18px;padding-top:18px;border-top:1px dashed var(--line);
  font-size:.85rem;color:var(--text-3);line-height:1.7;
}

.cat-card{
  display:grid;grid-template-columns:280px 1fr;gap:28px;align-items:center;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:26px;margin-bottom:26px;
  box-shadow:var(--shadow);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(14,95,82,.24);}
.cat-card:nth-child(even){grid-template-columns:1fr 280px;}
.cat-card:nth-child(even) .cat-media{order:2;}
.cat-media{
  position:relative;border-radius:var(--r-md);overflow:hidden;
  aspect-ratio:16/10;background:linear-gradient(135deg,#0E5F52,#1E9E78);
}
.cat-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.cat-card:hover .cat-media img{transform:scale(1.05);}
.cat-tag{
  position:absolute;top:12px;left:12px;z-index:2;
  background:var(--lime);color:var(--brand);
  font-size:.76rem;font-weight:800;letter-spacing:.04em;
  padding:5px 13px;border-radius:999px;
}
.cat-body h3{font-size:1.35rem;margin-bottom:10px;}
.cat-body p{color:var(--text-2);font-size:.98rem;margin-bottom:14px;}
.cat-list{display:flex;flex-direction:column;gap:8px;margin-bottom:16px;}
.cat-list li{
  display:flex;align-items:flex-start;gap:9px;
  font-size:.92rem;color:var(--text-2);
}
.cat-list li i{color:var(--brand-2);font-size:.78rem;margin-top:7px;flex-shrink:0;}
.cat-link{
  display:inline-flex;align-items:center;gap:7px;
  font-size:.92rem;font-weight:700;color:var(--brand);
}
.cat-link i{transition:transform .25s ease;}
.cat-link:hover i{transform:translateX(4px);}

/* ---------- 数据徽章组 ---------- */
.metrics{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:40px 32px;box-shadow:var(--shadow);
}
.metrics-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;
}
.metric{
  padding:22px 20px;border-radius:var(--r-md);
  background:linear-gradient(180deg,#F7F5EF 0%,#FFFFFF 100%);
  border:1px solid var(--line);
  transition:transform .3s ease,box-shadow .3s ease;
}
.metric:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.metric b{
  display:block;font-family:"DIN Alternate","Barlow",sans-serif;
  font-size:2rem;font-weight:800;color:var(--brand);line-height:1.2;
}
.metric b em{font-style:normal;font-size:1rem;color:var(--accent);margin-left:2px;}
.metric span{display:block;font-size:.88rem;color:var(--text-2);margin-top:6px;}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.step{
  position:relative;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:34px 28px 30px;
  box-shadow:var(--shadow);overflow:hidden;
  transition:transform .3s ease,box-shadow .3s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.step::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:5px;
  background:var(--grad);
}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:14px;margin-bottom:18px;
  background:rgba(215,242,107,.5);color:var(--brand);
  font-family:"DIN Alternate","Barlow",sans-serif;font-weight:800;font-size:1.15rem;
}
.step h3{font-size:1.2rem;margin-bottom:10px;}
.step p{font-size:.95rem;color:var(--text-2);margin-bottom:0;}

/* ---------- 图文并排 ---------- */
.split{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:44px;box-shadow:var(--shadow);
}
.split-media{border-radius:var(--r-md);overflow:hidden;aspect-ratio:4/3;position:relative;}
.split-media img{width:100%;height:100%;object-fit:cover;}
.split-media .float-badge{
  position:absolute;right:16px;bottom:16px;
  background:var(--grad);color:#fff;
  border-radius:16px;padding:12px 18px;
  font-size:.82rem;font-weight:700;line-height:1.4;text-align:left;
  box-shadow:0 14px 30px rgba(11,31,28,.28);
}
.split-media .float-badge b{
  display:block;font-family:"DIN Alternate","Barlow",sans-serif;
  font-size:1.5rem;color:var(--lime);line-height:1.2;
}
.split h2{font-size:clamp(1.5rem,2.4vw,2rem);margin-bottom:16px;}
.split p{color:var(--text-2);}
.split-points{display:flex;flex-direction:column;gap:14px;margin-top:22px;}
.split-points li{
  display:flex;gap:12px;align-items:flex-start;
  background:#F7F5EF;border-radius:var(--r-sm);
  padding:14px 18px;font-size:.94rem;color:var(--text-2);
}
.split-points li i{color:var(--brand-2);margin-top:6px;font-size:.8rem;flex-shrink:0;}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:16px;max-width:920px;margin:0 auto;}
.faq-item{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;
  transition:box-shadow .3s ease,border-color .3s ease;
}
.faq-item:hover{box-shadow:var(--shadow);}
.faq-item.open{border-color:rgba(14,95,82,.3);box-shadow:var(--shadow);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 28px;background:transparent;border:0;cursor:pointer;
  text-align:left;font-size:1.05rem;font-weight:700;color:var(--ink);
  transition:background-color .25s ease;
}
.faq-item.open .faq-q{background:rgba(215,242,107,.26);}
.faq-q:hover{background:rgba(215,242,107,.22);}
.faq-q:focus-visible{outline:3px solid var(--lime);outline-offset:-3px;}
.faq-icon{
  flex-shrink:0;width:32px;height:32px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(14,95,82,.08);color:var(--brand);
  font-size:1rem;font-weight:800;transition:transform .3s ease,background-color .3s ease;
}
.faq-item.open .faq-icon{transform:rotate(180deg);background:var(--lime);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .38s ease;
}
.faq-a-inner{
  padding:0 28px 24px;font-size:.97rem;color:var(--text-2);
  border-left:5px solid transparent;
}
.faq-item.open .faq-a-inner{
  border-left-color:var(--brand-2);
  padding-left:24px;
}

/* ---------- CTA 条 ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:32px;padding:64px 56px;
  background:var(--grad);
  color:#fff;
  box-shadow:0 24px 56px rgba(11,31,28,.22);
}
.cta-band::after{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;
  border-radius:50%;background:rgba(215,242,107,.28);
}
.cta-inner{position:relative;z-index:2;max-width:720px;}
.cta-band h2{color:#fff;margin-bottom:14px;}
.cta-band p{color:rgba(255,255,255,.88);font-size:1.05rem;margin-bottom:28px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:96px;
  background:var(--ink);color:rgba(247,245,239,.78);
  padding:72px 0 28px;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
}
.footer-brand{
  display:flex;align-items:center;gap:10px;margin-bottom:18px;
}
.footer-brand .brand-text{color:#F7F5EF;font-size:1.1rem;}
.footer-brand .brand-text em{color:var(--lime);}
.site-footer p{font-size:.92rem;color:rgba(247,245,239,.62);line-height:1.8;}
.footer-title{
  font-size:.95rem;font-weight:800;color:#F7F5EF;margin-bottom:18px;
  letter-spacing:.04em;
}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:.92rem;color:rgba(247,245,239,.68);}
.footer-links a:hover{color:var(--lime);}
.footer-links a:focus-visible{outline:3px solid var(--lime);outline-offset:3px;border-radius:6px;}
.footer-contact{display:flex;flex-direction:column;gap:12px;}
.footer-contact li{display:flex;flex-direction:column;gap:2px;}
.footer-contact b{font-size:.8rem;font-weight:700;color:var(--lime);letter-spacing:.06em;}
.footer-contact span{font-size:.9rem;color:rgba(247,245,239,.7);}
.footer-bottom{
  margin-top:52px;padding-top:22px;
  border-top:1px solid rgba(247,245,239,.14);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:.84rem;color:rgba(247,245,239,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .metrics-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:1023px){
  .site-header{top:12px;padding:0 12px;}
  .nav-shell{border-radius:28px;padding:10px 12px 10px 14px;}
  .nav-links{
    position:absolute;top:calc(100% + 12px);left:0;right:0;
    display:none;flex-direction:column;align-items:stretch;gap:6px;
    margin-left:0;padding:14px;
    background:#fff;border:1px solid var(--line);border-radius:24px;
    box-shadow:var(--shadow-hover);
  }
  .nav-links.is-open{display:flex;}
  .nav-links a{padding:13px 18px;border-radius:16px;font-size:1rem;}
  .nav-links a::after{display:none;}
  .nav-toggle{display:flex;margin-left:auto;}
  .nav-actions .btn{display:none;}
  .section{padding:72px 0;}
  .cat-layout{padding-top:64px;}
  .side-nav{position:static;margin-bottom:32px;}
  .cat-card,.cat-card:nth-child(even){grid-template-columns:1fr;}
  .cat-card:nth-child(even) .cat-media{order:0;}
  .steps{grid-template-columns:1fr;}
  .split{grid-template-columns:1fr;gap:32px;padding:32px;}
  .split-media{order:-1;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .cta-band{padding:48px 34px;border-radius:26px;}
}
@media (max-width:639px){
  body{font-size:16px;}
  .page-hero{padding:130px 0 66px;}
  .hero-lead{font-size:1.02rem;}
  .hero-actions{gap:12px;}
  .hero-actions .btn{width:100%;}
  .hero-stats{gap:10px;}
  .stat-badge{min-width:calc(50% - 5px);padding:14px 16px;}
  .stat-badge b{font-size:1.35rem;}
  .section{padding:56px 0;}
  .metrics{padding:26px 20px;}
  .metrics-grid{grid-template-columns:1fr;}
  .cat-card{padding:20px;}
  .step{padding:26px 22px;}
  .faq-q{padding:18px 20px;font-size:1rem;}
  .faq-a-inner{padding:0 20px 20px;}
  .faq-item.open .faq-a-inner{padding-left:16px;}
  .cta-band{padding:38px 24px;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .site-footer{padding:52px 0 24px;}
  .split{padding:24px;}
  .split-media .float-badge{padding:10px 14px;font-size:.76rem;}
  .split-media .float-badge b{font-size:1.25rem;}
}

/* roulang page: category2 */
:root{
  --brand:#0E5F52;
  --brand-2:#1E9E78;
  --accent:#FF6B35;
  --accent-2:#FF9A5A;
  --lime:#D7F26B;
  --ink:#0B1F1C;
  --bg:#F7F5EF;
  --card:#FFFFFF;
  --line:#E3E8E2;
  --text:#102A26;
  --muted:#4E625E;
  --weak:#7C8F8B;
  --grad-brand:linear-gradient(135deg,#0E5F52 0%,#1E9E78 72%,#D7F26B 130%);
  --grad-accent:linear-gradient(135deg,#FF6B35 0%,#FF9A5A 100%);
  --radius-lg:26px;
  --radius-md:20px;
  --radius-sm:14px;
  --shadow:0 4px 12px rgba(11,31,28,.05),0 18px 40px rgba(11,31,28,.08);
  --shadow-hover:0 10px 20px rgba(11,31,28,.10),0 24px 52px rgba(11,31,28,.12);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:1rem;
  line-height:1.85;
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--radius-md);}
a{color:inherit;text-decoration:none;transition:color .25s ease;}
button,input,textarea,select{font-family:inherit;font-size:1rem;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.25;}
p{margin:0;}
em{font-style:normal;}

.container{width:calc(100% - 40px);max-width:1200px;margin:0 auto;}
.section{padding:104px 0;}
.section-sm{padding:72px 0;}
.bg-white{background:var(--card);}
.bg-soft{background:#F1EFE7;}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.8125rem;font-weight:700;letter-spacing:.08em;
  color:var(--brand);text-transform:uppercase;
  background:rgba(215,242,107,.35);
  border:1px solid rgba(14,95,82,.14);
  padding:6px 16px;border-radius:999px;margin-bottom:18px;
}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head h2{font-size:clamp(1.6rem,3vw,2.4rem);font-weight:700;margin-bottom:16px;}
.section-head p{color:var(--muted);font-size:1.0625rem;}

/* ============ 悬浮胶囊导航 ============ */
.site-header{
  position:sticky;top:0;z-index:200;
  padding:16px 0 8px;
}
.nav-shell{
  width:calc(100% - 32px);max-width:1200px;margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  background:rgba(255,255,255,.78);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid rgba(14,95,82,.12);
  border-radius:999px;
  padding:10px 12px 10px 18px;
  box-shadow:0 4px 12px rgba(11,31,28,.05),0 18px 40px rgba(11,31,28,.08);
}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--grad-brand);
  color:#fff;font-weight:800;font-size:1.0625rem;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px rgba(14,95,82,.28);
}
.brand-text{font-weight:800;font-size:1.0625rem;color:var(--ink);letter-spacing:.01em;}
.brand-text em{color:var(--brand);}
.nav-links{display:flex;align-items:center;gap:4px;flex:1 1 auto;justify-content:center;}
.nav-links a{
  position:relative;
  padding:9px 15px;border-radius:999px;
  font-size:.9375rem;font-weight:600;color:var(--muted);
  transition:background .25s ease,color .25s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:50%;bottom:4px;transform:translateX(-50%) scaleX(0);
  width:22px;height:3px;border-radius:3px;background:var(--grad-brand);
  transition:transform .25s ease;
}
.nav-links a:hover{background:rgba(14,95,82,.07);color:var(--brand);}
.nav-links a:hover::after{transform:translateX(-50%) scaleX(1);}
.nav-links a.active{color:var(--brand);background:rgba(215,242,107,.4);}
.nav-links a.active::after{transform:translateX(-50%) scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:10px;flex:none;}

.nav-toggle{
  display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);
  background:#fff;cursor:pointer;padding:0;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand);transition:transform .25s ease,opacity .25s 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);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;border-radius:999px;
  padding:14px 30px;font-size:.9875rem;font-weight:700;cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--grad-accent);color:#fff;box-shadow:0 8px 18px rgba(255,107,53,.28);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(255,107,53,.34);color:#fff;}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;color:var(--brand);border-color:rgba(14,95,82,.28);}
.btn-ghost:hover{background:rgba(215,242,107,.42);border-color:var(--brand);transform:translateY(-2px);}
.btn-dark{background:var(--brand);color:#fff;box-shadow:0 8px 18px rgba(14,95,82,.24);}
.btn-dark:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(14,95,82,.3);color:#fff;}
.btn-light{background:rgba(255,255,255,.92);color:var(--brand);}
.btn-light:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.btn-sm{padding:10px 22px;font-size:.875rem;}
.btn-lg{padding:16px 36px;font-size:1.0625rem;}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:3px solid var(--lime);outline-offset:2px;
}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;flex-direction:column;gap:2px;
  padding:12px 20px;border-radius:18px;line-height:1.2;
}
.badge b{font-family:"DIN Alternate","Barlow",sans-serif;font-size:1.375rem;font-weight:800;}
.badge span{font-size:.75rem;letter-spacing:.06em;opacity:.86;}
.badge-lime{background:var(--lime);color:var(--ink);}
.badge-white{background:rgba(255,255,255,.94);color:var(--brand);box-shadow:0 10px 24px rgba(11,31,28,.12);}
.badge-orange{background:var(--grad-accent);color:#fff;box-shadow:0 10px 24px rgba(255,107,53,.28);}
.badge-line{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.32);color:#fff;}

.tag{
  display:inline-block;padding:5px 14px;border-radius:999px;
  font-size:.75rem;font-weight:700;letter-spacing:.04em;
  background:rgba(14,95,82,.08);color:var(--brand);
}
.tag-orange{background:rgba(255,107,53,.12);color:#D6521F;}
.tag-lime{background:rgba(215,242,107,.45);color:#4C6318;}

/* ============ 分类页 Hero ============ */
.cate-hero{
  position:relative;overflow:hidden;
  margin:24px auto 0;width:calc(100% - 32px);max-width:1200px;
  border-radius:32px;
  background-image:linear-gradient(115deg,rgba(11,31,28,.92) 0%,rgba(14,95,82,.86) 46%,rgba(30,158,120,.72) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  padding:64px 56px;
  color:#EDF3F0;
}
.cate-hero-grid{
  display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;
  position:relative;z-index:2;
}
.cate-hero h1{
  color:#fff;font-size:clamp(2rem,4.4vw,3.2rem);font-weight:800;line-height:1.15;
  margin-bottom:18px;
}
.cate-hero h1 em{
  display:block;font-size:.42em;font-weight:700;letter-spacing:.06em;color:var(--lime);margin-top:12px;
}
.cate-hero p.lead{color:rgba(240,248,245,.86);font-size:1.0625rem;max-width:560px;}
.cate-hero .hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.cate-hero-figure{position:relative;}
.cate-hero-figure img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:26px;border:1px solid rgba(255,255,255,.22);
  box-shadow:0 24px 52px rgba(0,0,0,.32);
}
.hero-badges{
  display:flex;gap:12px;flex-wrap:wrap;margin-top:34px;
}
.crumb{font-size:.875rem;color:rgba(233,244,240,.78);margin-bottom:18px;}
.crumb a{color:rgba(233,244,240,.78);}
.crumb a:hover{color:var(--lime);}
.crumb i{font-size:.625rem;margin:0 8px;opacity:.7;}

/* ============ 筛选胶囊 ============ */
.filter-bar{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:12px 16px;box-shadow:var(--shadow);
  margin-bottom:40px;
}
.filter-bar .filter-label{font-size:.8125rem;font-weight:700;color:var(--weak);padding:0 8px;letter-spacing:.04em;}
.filter-chip{
  padding:9px 20px;border-radius:999px;border:1px solid var(--line);
  background:#fff;color:var(--muted);font-size:.875rem;font-weight:600;cursor:pointer;
  transition:all .22s ease;
}
.filter-chip:hover{border-color:var(--brand);color:var(--brand);background:rgba(215,242,107,.28);}
.filter-chip.is-active{background:var(--grad-brand);color:#fff;border-color:transparent;box-shadow:0 8px 18px rgba(14,95,82,.24);}

/* ============ 课程大卡 + 侧栏 ============ */
.course-layout{display:grid;grid-template-columns:1fr 340px;gap:32px;align-items:start;}
.course-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.course-card{
  background:#fff;border:1px solid var(--line);border-radius:26px;
  padding:26px;display:flex;flex-direction:column;gap:14px;
  box-shadow:var(--shadow);transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
  position:relative;overflow:hidden;
}
.course-card::before{
  content:"";position:absolute;left:0;top:0;height:4px;width:100%;
  background:var(--grad-brand);opacity:0;transition:opacity .28s ease;
}
.course-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:rgba(14,95,82,.2);}
.course-card:hover::before{opacity:1;}
.course-card .cc-top{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.course-card .cc-icon{
  width:48px;height:48px;border-radius:16px;display:flex;align-items:center;justify-content:center;
  background:rgba(14,95,82,.08);color:var(--brand);font-size:1.125rem;
}
.course-card h3{font-size:1.25rem;font-weight:700;}
.course-card p{color:var(--muted);font-size:.9375rem;}
.course-card .cc-meta{
  display:flex;flex-wrap:wrap;gap:8px;padding-top:6px;border-top:1px dashed var(--line);
}
.course-card .cc-meta span{font-size:.8125rem;color:var(--weak);display:inline-flex;align-items:center;gap:6px;}
.course-card .cc-link{
  margin-top:auto;font-size:.875rem;font-weight:700;color:var(--accent);
  display:inline-flex;align-items:center;gap:6px;
}
.course-card .cc-link:hover{gap:12px;color:#D6521F;}

.side-panel{
  position:sticky;top:104px;
  background:var(--ink);color:#E9F2EE;border-radius:26px;padding:30px 26px;
  box-shadow:var(--shadow);
}
.side-panel h3{color:#fff;font-size:1.1875rem;margin-bottom:6px;}
.side-panel .side-sub{font-size:.8125rem;color:rgba(233,242,238,.62);margin-bottom:22px;}
.side-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;}
.side-stat{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.1);
  border-radius:18px;padding:16px 14px;
}
.side-stat b{display:block;font-family:"DIN Alternate","Barlow",sans-serif;font-size:1.5rem;font-weight:800;color:var(--lime);line-height:1.1;}
.side-stat span{font-size:.75rem;color:rgba(233,242,238,.68);}
.side-list{margin-top:24px;display:flex;flex-direction:column;gap:12px;}
.side-list li{display:flex;gap:10px;font-size:.875rem;color:rgba(233,242,238,.82);}
.side-list li i{color:var(--lime);margin-top:6px;font-size:.6875rem;}
.side-panel .btn{margin-top:24px;width:100%;}

/* ============ 图文并排 ============ */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.split.reverse .split-media{order:2;}
.split-media img{
  width:100%;aspect-ratio:5/4;object-fit:cover;border-radius:28px;
  box-shadow:var(--shadow-hover);
}
.split-body h2{font-size:clamp(1.6rem,2.8vw,2.2rem);margin-bottom:18px;}
.split-body p{color:var(--muted);margin-bottom:16px;}
.check-list{display:flex;flex-direction:column;gap:14px;margin-top:24px;}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:.9375rem;color:var(--text);}
.check-list li i{
  flex:none;width:26px;height:26px;border-radius:9px;background:rgba(215,242,107,.5);
  color:#4C6318;display:flex;align-items:center;justify-content:center;font-size:.75rem;margin-top:3px;
}

/* ============ 流程步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step;}
.step-card{
  background:#fff;border:1px solid var(--line);border-radius:24px;padding:30px 24px;
  position:relative;transition:transform .28s ease,box-shadow .28s ease;
}
.step-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);}
.step-num{
  font-family:"DIN Alternate","Barlow",sans-serif;
  font-size:2.25rem;font-weight:800;line-height:1;
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:14px;display:block;
}
.step-card h3{font-size:1.125rem;margin-bottom:10px;}
.step-card p{font-size:.9375rem;color:var(--muted);}
.step-card::after{
  content:"";position:absolute;right:-13px;top:52px;width:24px;height:2px;
  background:repeating-linear-gradient(90deg,rgba(14,95,82,.4) 0 6px,transparent 6px 12px);
}
.step-card:last-child::after{display:none;}

/* ============ 数据带 ============ */
.stat-band{
  background:var(--grad-brand);border-radius:32px;padding:52px 48px;color:#fff;
  display:grid;grid-template-columns:repeat(4,1fr);gap:28px;
  box-shadow:0 24px 52px rgba(14,95,82,.24);
}
.stat-item b{
  display:block;font-family:"DIN Alternate","Barlow",sans-serif;
  font-size:clamp(1.85rem,3.4vw,2.6rem);font-weight:800;line-height:1.1;color:var(--lime);
}
.stat-item span{font-size:.875rem;color:rgba(255,255,255,.88);}
.stat-item em{display:block;font-size:.8125rem;color:rgba(255,255,255,.66);margin-top:6px;font-style:normal;}

/* ============ 场景卡（错落） ============ */
.scene-list{display:flex;flex-direction:column;gap:22px;}
.scene-item{
  display:grid;grid-template-columns:120px 1fr auto;gap:26px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:24px;padding:24px 28px;
  box-shadow:var(--shadow);transition:transform .28s ease,box-shadow .28s ease;
}
.scene-item:nth-child(even){margin-left:40px;}
.scene-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.scene-thumb{
  width:120px;height:88px;border-radius:18px;overflow:hidden;flex:none;background:#EAF1EC;
}
.scene-thumb img{width:100%;height:100%;object-fit:cover;border-radius:18px;transition:transform .45s ease;}
.scene-item:hover .scene-thumb img{transform:scale(1.06);}
.scene-item h3{font-size:1.1875rem;margin-bottom:8px;}
.scene-item p{font-size:.9375rem;color:var(--muted);}
.scene-item .scene-cta{
  font-size:.875rem;font-weight:700;color:var(--brand);
  display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:999px;
  border:1px solid rgba(14,95,82,.22);transition:all .22s ease;white-space:nowrap;
}
.scene-item .scene-cta:hover{background:rgba(215,242,107,.4);border-color:var(--brand);}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:16px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-left:4px solid transparent;
  border-radius:24px;overflow:hidden;transition:border-color .28s ease,box-shadow .28s ease;
}
.faq-item.open{border-left-color:var(--brand);box-shadow:var(--shadow);}
.faq-q{
  width:100%;background:transparent;border:0;text-align:left;cursor:pointer;
  padding:24px 28px;display:flex;align-items:center;justify-content:space-between;gap:20px;
  font-size:1.0625rem;font-weight:700;color:var(--ink);line-height:1.6;
  transition:background .25s ease;
}
.faq-q:hover{background:rgba(215,242,107,.22);}
.faq-icon{
  flex:none;width:34px;height:34px;border-radius:12px;background:rgba(14,95,82,.08);
  color:var(--brand);display:flex;align-items:center;justify-content:center;
  font-size:1rem;font-weight:800;transition:transform .3s ease,background .3s ease,color .3s ease;
}
.faq-item.open .faq-icon{background:var(--grad-accent);color:#fff;transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .38s ease;}
.faq-a-inner{padding:0 28px 26px;color:var(--muted);font-size:.9375rem;}

/* ============ 表单 CTA ============ */
.consult-card{
  background:var(--grad-brand);border-radius:32px;padding:56px;
  display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;
  box-shadow:0 24px 52px rgba(14,95,82,.22);color:#fff;
}
.consult-copy h2{color:#fff;font-size:clamp(1.6rem,2.9vw,2.3rem);margin-bottom:16px;}
.consult-copy p{color:rgba(255,255,255,.86);font-size:.9875rem;margin-bottom:20px;}
.consult-points{display:flex;flex-direction:column;gap:12px;margin-top:8px;}
.consult-points li{display:flex;gap:10px;font-size:.9375rem;color:rgba(255,255,255,.9);}
.consult-points li i{color:var(--lime);margin-top:6px;font-size:.75rem;}
.form-card{background:#fff;border-radius:26px;padding:34px 32px;box-shadow:0 20px 44px rgba(0,0,0,.18);}
.field{margin-bottom:18px;}
.field label{display:block;font-size:.8125rem;font-weight:700;color:var(--muted);margin-bottom:8px;letter-spacing:.03em;}
.field input,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:14px;
  padding:13px 16px;background:#FCFCFA;color:var(--text);
  transition:border-color .22s ease,box-shadow .22s ease,background .22s ease;
}
.field textarea{min-height:96px;resize:vertical;}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--lime);background:#fff;
  box-shadow:0 0 0 4px rgba(215,242,107,.35);
}
.form-card .btn{width:100%;margin-top:6px;}
.form-note{font-size:.75rem;color:var(--weak);margin-top:12px;text-align:center;}
.form-msg{
  display:none;margin-top:14px;padding:12px 16px;border-radius:14px;font-size:.875rem;font-weight:600;
}
.form-msg.ok{display:block;background:rgba(14,95,82,.1);color:var(--brand);}
.form-msg.err{display:block;background:rgba(255,107,53,.12);color:#C24A18;}

/* ============ 底部 CTA 条 ============ */
.cta-strip{
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  background:#fff;border:1px solid var(--line);border-radius:30px;
  padding:40px 48px;box-shadow:var(--shadow);
}
.cta-strip h3{font-size:1.375rem;margin-bottom:8px;}
.cta-strip p{color:var(--muted);font-size:.9375rem;}
.cta-strip .cta-btns{display:flex;gap:14px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#DCE8E3;padding:80px 0 34px;margin-top:104px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand .brand-text em{color:var(--lime);}
.site-footer p{color:rgba(220,232,227,.72);font-size:.9375rem;max-width:340px;}
.footer-title{font-size:1rem;font-weight:700;color:#fff;margin-bottom:18px;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:.9375rem;color:rgba(220,232,227,.74);}
.footer-links a:hover{color:var(--lime);}
.footer-contact{display:flex;flex-direction:column;gap:14px;}
.footer-contact li{display:flex;flex-direction:column;gap:2px;}
.footer-contact b{font-size:.8125rem;color:rgba(220,232,227,.55);font-weight:600;letter-spacing:.04em;}
.footer-contact span{font-size:.9375rem;color:rgba(220,232,227,.9);}
.footer-bottom{
  margin-top:52px;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:.8125rem;color:rgba(220,232,227,.55);
}

/* ============ 响应式 ============ */
@media screen and (max-width:1199px){
  .cate-hero{padding:56px 44px;}
  .cate-hero-grid{gap:36px;}
  .course-layout{grid-template-columns:1fr 300px;gap:24px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:36px;}
  .footer-grid>div:last-child{grid-column:1 / -1;}
}
@media screen and (max-width:1023px){
  .section{padding:80px 0;}
  .nav-links{
    position:absolute;top:calc(100% + 12px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:6px;
    background:rgba(255,255,255,.97);
    -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
    border:1px solid rgba(14,95,82,.12);border-radius:26px;
    padding:16px;box-shadow:0 24px 52px rgba(11,31,28,.16);
    display:none;
  }
  .nav-links.open{display:flex;}
  .nav-links a{padding:13px 18px;border-radius:16px;font-size:1rem;}
  .nav-links a::after{display:none;}
  .nav-shell{position:relative;}
  .nav-toggle{display:flex;}
  .nav-actions .btn-sm{display:none;}
  .nav-actions .btn-sm.show-mobile{display:inline-flex;width:100%;margin-top:8px;}
  .cate-hero-grid{grid-template-columns:1fr;}
  .cate-hero{padding:48px 32px;border-radius:26px;}
  .cate-hero-figure img{aspect-ratio:16/9;}
  .course-layout{grid-template-columns:1fr;}
  .side-panel{position:static;}
  .split{grid-template-columns:1fr;gap:34px;}
  .split.reverse .split-media{order:0;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .step-card::after{display:none;}
  .stat-band{grid-template-columns:repeat(2,1fr);padding:40px 32px;gap:24px;}
  .scene-item{grid-template-columns:100px 1fr;gap:18px;}
  .scene-thumb{width:100px;height:78px;}
  .scene-item .scene-cta{grid-column:2;justify-self:start;}
  .scene-item:nth-child(even){margin-left:24px;}
  .consult-card{grid-template-columns:1fr;padding:40px 32px;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media screen and (max-width:767px){
  .container{width:calc(100% - 32px);}
  .section{padding:60px 0;}
  .section-sm{padding:48px 0;}
  .site-header{padding:12px 0 6px;}
  .nav-shell{width:calc(100% - 24px);padding:8px 10px 8px 14px;}
  .brand-text{font-size:.9875rem;}
  .cate-hero{width:calc(100% - 24px);padding:36px 22px;border-radius:24px;margin-top:14px;}
  .cate-hero h1 em{font-size:.4em;}
  .cate-hero .hero-btns{gap:10px;margin-top:24px;}
  .cate-hero .btn{width:100%;}
  .hero-badges{gap:8px;margin-top:26px;}
  .badge{padding:10px 16px;}
  .badge b{font-size:1.125rem;}
  .filter-bar{border-radius:22px;padding:12px;}
  .filter-chip{padding:8px 16px;font-size:.8125rem;}
  .course-grid{grid-template-columns:1fr;}
  .course-card{padding:22px;}
  .steps{grid-template-columns:1fr;}
  .stat-band{grid-template-columns:1fr 1fr;padding:32px 22px;border-radius:24px;}
  .scene-item{grid-template-columns:1fr;padding:22px;}
  .scene-thumb{width:100%;height:170px;}
  .scene-item .scene-cta{grid-column:1;}
  .scene-item:nth-child(even){margin-left:0;}
  .faq-q{padding:20px 20px;font-size:1rem;}
  .faq-a-inner{padding:0 20px 22px;}
  .consult-card{padding:30px 22px;border-radius:26px;}
  .form-card{padding:26px 20px;}
  .cta-strip{padding:30px 22px;border-radius:24px;}
  .cta-strip .cta-btns .btn{width:100%;}
  .site-footer{padding:56px 0 28px;margin-top:60px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-grid>div:last-child{grid-column:auto;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .side-stats{grid-template-columns:1fr 1fr;}
}
@media screen and (max-width:400px){
  .stat-band{grid-template-columns:1fr;}
  .side-stats{grid-template-columns:1fr;}
}

/* roulang page: category3 */
:root{
  --brand:#0E5F52;
  --brand-2:#1E9E78;
  --accent:#FF6B35;
  --accent-2:#FF9A5A;
  --lime:#D7F26B;
  --ink:#0B1F1C;
  --text:#102A26;
  --text-2:#4E625E;
  --text-3:#7C8F8B;
  --bg:#F7F5EF;
  --card:#FFFFFF;
  --line:#E3E8E2;
  --grad-brand:linear-gradient(135deg,#0E5F52 0%,#1E9E78 72%,#D7F26B 130%);
  --grad-accent:linear-gradient(135deg,#FF6B35 0%,#FF9A5A 100%);
  --radius-xl:28px;
  --radius-lg:24px;
  --radius-md:20px;
  --radius-sm:14px;
  --shadow:0 4px 12px rgba(11,31,28,.05), 0 18px 40px rgba(11,31,28,.08);
  --shadow-hover:0 10px 20px rgba(11,31,28,.10), 0 24px 52px rgba(11,31,28,.12);
  --section-y:104px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:1.0625rem;
  line-height:1.85;
  letter-spacing:.01em;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--brand);text-decoration:none;transition:color .25s ease;}
a:hover,a:focus{color:var(--accent);}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.25;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid var(--lime);outline-offset:3px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.container-narrow{max-width:1140px;}

/* ---------- header / floating pill nav ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  padding:16px 16px 0;
}
.nav-shell{
  max-width:1200px;
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:18px;
  padding:10px 14px 10px 18px;
  border-radius:999px;
  background:rgba(255,255,255,.78);
  border:1px solid rgba(14,95,82,.12);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:0 6px 18px rgba(11,31,28,.06),0 16px 34px rgba(11,31,28,.06);
  position:relative;
}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--ink);letter-spacing:.01em;}
.brand:hover{color:var(--brand);}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  background:var(--grad-brand);
  color:#fff;font-weight:800;font-size:1.125rem;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px rgba(14,95,82,.28);
}
.brand-text{font-size:1.0625rem;white-space:nowrap;}
.brand-text em{font-style:normal;color:var(--brand);}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-links a{
  position:relative;
  padding:9px 14px;
  border-radius:999px;
  font-size:.9375rem;
  font-weight:600;
  color:var(--text-2);
  white-space:nowrap;
  transition:color .25s ease,background .25s ease;
}
.nav-links a::after{
  content:"";
  position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;
  background:var(--grad-accent);
  transform:scaleX(0);transform-origin:left;
  transition:transform .28s ease;
}
.nav-links a:hover{color:var(--brand);background:rgba(215,242,107,.28);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:#fff;background:var(--grad-brand);box-shadow:0 8px 18px rgba(14,95,82,.24);}
.nav-links a.active::after{display:none;}
.nav-actions{display:flex;align-items:center;gap:10px;}
.btn-sm{padding:10px 20px;font-size:.9375rem;}
.nav-toggle{
  display:none;
  width:44px;height:44px;border-radius:999px;border:1px solid var(--line);
  background:#fff;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .25s ease,opacity .25s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;border:1px solid transparent;
  font-weight:700;font-size:1rem;
  padding:14px 28px;
  cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
  text-align:center;
}
.btn-primary{background:var(--grad-accent);color:#fff;box-shadow:0 10px 22px rgba(255,107,53,.28);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,107,53,.36);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--brand);border-color:rgba(14,95,82,.35);}
.btn-ghost:hover{background:rgba(215,242,107,.35);color:var(--brand);border-color:var(--brand);transform:translateY(-2px);}
.btn-light{background:#fff;color:var(--brand);border-color:rgba(255,255,255,.5);}
.btn-light:hover{background:var(--lime);color:var(--ink);transform:translateY(-2px);}
.btn-block{width:100%;}

/* ---------- hero ---------- */
.cat-hero{
  position:relative;
  margin:26px auto 0;
  max-width:1200px;
  border-radius:var(--radius-xl);
  overflow:hidden;
  background:#0E5F52;
  box-shadow:var(--shadow);
}
.cat-hero-media{position:absolute;inset:0;}
.cat-hero-media img{width:100%;height:100%;object-fit:cover;opacity:.42;}
.cat-hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(125deg,rgba(11,31,28,.92) 0%,rgba(14,95,82,.80) 46%,rgba(30,158,120,.42) 100%);
}
.cat-hero-inner{position:relative;padding:74px 56px 68px;max-width:760px;}
.crumb{font-size:.875rem;color:rgba(255,255,255,.72);margin-bottom:18px;}
.crumb a{color:rgba(255,255,255,.85);}
.crumb a:hover{color:var(--lime);}
.crumb span{margin:0 8px;opacity:.6;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;
  background:rgba(215,242,107,.16);
  border:1px solid rgba(215,242,107,.42);
  color:var(--lime);font-size:.8125rem;font-weight:700;letter-spacing:.06em;
  margin-bottom:20px;
}
.cat-hero h1{
  font-size:clamp(2.2rem,5vw,3.6rem);
  font-weight:800;line-height:1.15;color:#fff;
  margin-bottom:18px;
}
.cat-hero h1 em{font-style:normal;color:var(--lime);}
.cat-hero-lead{color:rgba(255,255,255,.86);font-size:1.0625rem;line-height:1.9;margin-bottom:30px;max-width:640px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- stat strip ---------- */
.stat-strip{margin-top:-34px;position:relative;z-index:5;}
.stat-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:28px 24px;
  box-shadow:var(--shadow);
}
.stat-item{border-left:2px solid rgba(14,95,82,.14);padding-left:18px;}
.stat-item:first-child{border-left-color:var(--accent);}
.stat-num{
  font-family:"DIN Alternate","Barlow","Noto Sans SC",sans-serif;
  font-size:2rem;font-weight:800;color:var(--brand);line-height:1.1;
}
.stat-num b{color:var(--accent);font-size:1.125rem;margin-left:2px;}
.stat-label{font-size:.875rem;color:var(--text-3);margin-top:6px;}

/* ---------- section ---------- */
.section{padding:var(--section-y) 0;}
.section-tight{padding:80px 0;}
.section-head{max-width:760px;margin-bottom:52px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-block;font-size:.8125rem;font-weight:800;letter-spacing:.14em;
  color:var(--brand);text-transform:uppercase;margin-bottom:14px;
  padding:6px 14px;border-radius:999px;background:rgba(215,242,107,.42);
}
.section h2{font-size:clamp(1.6rem,3vw,2.4rem);margin-bottom:16px;}
.section-head p{color:var(--text-2);margin:0;}

/* ---------- timeline ---------- */
.timeline{position:relative;padding-left:34px;}
.timeline::before{
  content:"";position:absolute;left:9px;top:8px;bottom:8px;width:3px;border-radius:3px;
  background:linear-gradient(180deg,#0E5F52 0%,#1E9E78 62%,#D7F26B 100%);
  opacity:.55;
}
.tl-item{position:relative;margin-bottom:26px;}
.tl-item:last-child{margin-bottom:0;}
.tl-dot{
  position:absolute;left:-34px;top:26px;
  width:22px;height:22px;border-radius:50%;
  background:#fff;border:3px solid var(--brand);
  box-shadow:0 0 0 6px rgba(14,95,82,.08);
}
.tl-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:26px 30px;
  display:flex;gap:24px;align-items:flex-start;
  box-shadow:var(--shadow);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(30,158,120,.42);}
.tl-thumb{
  flex:0 0 148px;width:148px;border-radius:18px;overflow:hidden;
  background:rgba(14,95,82,.06);
}
.tl-thumb img{width:100%;height:104px;object-fit:cover;transition:transform .4s ease;}
.tl-card:hover .tl-thumb img{transform:scale(1.05);}
.tl-body{flex:1;min-width:0;}
.tl-step{
  display:inline-block;font-family:"DIN Alternate","Barlow",sans-serif;
  font-size:.8125rem;font-weight:800;letter-spacing:.10em;
  color:var(--accent);margin-bottom:8px;
}
.tl-body h3{font-size:1.3125rem;margin-bottom:8px;}
.tl-body p{color:var(--text-2);font-size:.9375rem;margin-bottom:12px;}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;}
.chip{
  display:inline-block;padding:5px 12px;border-radius:999px;
  font-size:.8125rem;font-weight:600;
  background:rgba(215,242,107,.36);color:#25514A;
}
.chip-outline{background:#fff;border:1px solid var(--line);color:var(--text-2);}

/* ---------- case cards ---------- */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.case-card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow);
  display:flex;flex-direction:column;
  transition:transform .3s ease,box-shadow .3s ease;
}
.case-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);}
.case-media{position:relative;aspect-ratio:16/9;overflow:hidden;}
.case-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.case-card:hover .case-media img{transform:scale(1.06);}
.case-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,31,28,0) 44%,rgba(11,31,28,.55) 100%);
}
.case-badge{
  position:absolute;top:14px;left:14px;z-index:2;
  padding:6px 13px;border-radius:999px;
  background:rgba(255,255,255,.92);color:var(--brand);
  font-size:.8125rem;font-weight:700;
}
.case-body{padding:24px 24px 26px;flex:1;display:flex;flex-direction:column;}
.case-body h3{font-size:1.25rem;margin-bottom:10px;}
.case-body p{color:var(--text-2);font-size:.9375rem;margin-bottom:16px;}
.case-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:.875rem;color:var(--text-3);
  border-top:1px dashed var(--line);padding-top:14px;
}
.case-link{font-weight:700;color:var(--accent);}
.case-card:hover .case-link{color:var(--brand);}

/* ---------- split block ---------- */
.split{
  display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-xl);padding:44px;box-shadow:var(--shadow);
}
.split-media{border-radius:var(--radius-lg);overflow:hidden;aspect-ratio:4/3;}
.split-media img{width:100%;height:100%;object-fit:cover;}
.check-list{margin-top:22px;}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:12px 0;border-bottom:1px dashed var(--line);
  font-size:.9688rem;color:var(--text-2);
}
.check-list li:last-child{border-bottom:0;}
.check-list i{color:var(--brand-2);margin-top:6px;}
.check-list b{color:var(--ink);font-weight:700;}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:16px;max-width:900px;margin:0 auto;}
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-left:4px solid transparent;
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
  overflow:hidden;
  transition:border-color .28s ease,box-shadow .28s ease;
}
.faq-item:hover{border-left-color:var(--brand-2);}
.faq-item.open{border-left-color:var(--brand);box-shadow:var(--shadow-hover);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:transparent;border:0;cursor:pointer;
  padding:22px 26px;text-align:left;
  font-size:1.0625rem;font-weight:700;color:var(--ink);
  transition:background .25s ease;
}
.faq-q:hover{background:rgba(215,242,107,.22);}
.faq-icon{
  flex:0 0 32px;width:32px;height:32px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(14,95,82,.08);color:var(--brand);
  font-size:1.125rem;font-weight:700;line-height:1;
  transition:background .25s ease,color .25s ease,transform .25s ease;
}
.faq-item.open .faq-icon{background:var(--grad-brand);color:#fff;transform:rotate(180deg);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .38s ease;
}
.faq-a-inner{padding:0 26px 24px;color:var(--text-2);font-size:.9688rem;}
.faq-item.open .faq-a{max-height:340px;}

/* ---------- cta ---------- */
.cta-wrap{padding:0 0 var(--section-y);}
.cta-card{
  position:relative;overflow:hidden;
  border-radius:var(--radius-xl);
  background:var(--grad-brand);
  padding:56px;
  display:grid;grid-template-columns:1.05fr .95fr;gap:44px;
  box-shadow:0 22px 50px rgba(14,95,82,.24);
  color:#fff;
}
.cta-card::before{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(215,242,107,.32) 0%,rgba(215,242,107,0) 68%);
}
.cta-card h2{color:#fff;font-size:clamp(1.6rem,3vw,2.3rem);margin-bottom:16px;}
.cta-card p{color:rgba(255,255,255,.86);}
.cta-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.cta-points span{
  padding:7px 15px;border-radius:999px;font-size:.875rem;font-weight:600;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);
}
.form-card{
  position:relative;z-index:2;
  background:#fff;border-radius:var(--radius-lg);
  padding:30px;box-shadow:0 18px 40px rgba(11,31,28,.18);
}
.form-card h3{font-size:1.1875rem;margin-bottom:6px;}
.form-card .form-sub{font-size:.875rem;color:var(--text-3);margin-bottom:20px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:.875rem;font-weight:700;color:var(--text-2);margin-bottom:7px;}
.field input,.field textarea{
  width:100%;padding:13px 16px;border-radius:var(--radius-sm);
  border:1px solid var(--line);background:#FBFAF6;
  font-size:.9375rem;color:var(--text);font-family:inherit;
  transition:border-color .22s ease,box-shadow .22s ease,background .22s ease;
}
.field textarea{min-height:96px;resize:vertical;line-height:1.7;}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--brand-2);background:#fff;
  box-shadow:0 0 0 4px rgba(215,242,107,.55);
}
.form-msg{font-size:.875rem;margin-top:12px;display:none;}
.form-msg.ok{display:block;color:var(--brand);}
.form-msg.err{display:block;color:var(--accent);}
.back-line{margin-top:22px;text-align:center;color:rgba(255,255,255,.82);font-size:.9375rem;}
.back-line a{color:var(--lime);font-weight:700;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(247,245,239,.82);padding:72px 0 30px;margin-top:20px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1.1fr 1.2fr;gap:38px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;color:#fff;font-size:1.0625rem;margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--grad-brand);box-shadow:none;}
.footer-brand em{font-style:normal;color:var(--lime);}
.site-footer p{font-size:.9375rem;color:rgba(247,245,239,.66);line-height:1.85;}
.footer-title{font-size:1rem;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{color:rgba(247,245,239,.72);font-size:.9375rem;}
.footer-links a:hover{color:var(--lime);}
.footer-contact li{display:flex;gap:10px;font-size:.9375rem;margin-bottom:11px;color:rgba(247,245,239,.72);}
.footer-contact b{color:#fff;font-weight:700;flex:0 0 62px;}
.footer-bottom{
  margin-top:46px;padding-top:22px;
  border-top:1px solid rgba(247,245,239,.14);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:.875rem;color:rgba(247,245,239,.55);
}

/* ---------- responsive ---------- */
@media screen and (max-width:1023px){
  :root{--section-y:80px;}
  .nav-links{
    position:absolute;left:0;right:0;top:calc(100% + 10px);
    flex-direction:column;align-items:stretch;gap:6px;
    background:rgba(255,255,255,.97);
    border:1px solid var(--line);
    border-radius:var(--radius-lg);
    padding:14px;
    box-shadow:var(--shadow-hover);
    display:none;
  }
  .nav-links.open{display:flex;}
  .nav-links a{padding:13px 16px;font-size:1rem;}
  .nav-links a::after{display:none;}
  .nav-toggle{display:flex;}
  .nav-shell{padding:10px 12px 10px 16px;}
  .cat-hero-inner{padding:52px 32px 48px;}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:22px;}
  .case-grid{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;padding:32px;gap:30px;}
  .cta-card{grid-template-columns:1fr;padding:38px;gap:30px;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:30px;}
}
@media screen and (max-width:767px){
  :root{--section-y:60px;}
  body{font-size:1rem;}
  .section-tight{padding:54px 0;}
  .brand-text{font-size:.9688rem;}
  .nav-actions .btn-sm{padding:9px 15px;font-size:.875rem;}
  .cat-hero-inner{padding:42px 22px 40px;}
  .cat-hero h1{font-size:clamp(1.9rem,8vw,2.4rem);}
  .timeline{padding-left:26px;}
  .timeline::before{left:6px;}
  .tl-dot{left:-26px;width:18px;height:18px;top:24px;}
  .tl-card{flex-direction:column;padding:22px;gap:16px;}
  .tl-thumb{flex:0 0 auto;width:100%;}
  .tl-thumb img{height:150px;}
  .case-grid{grid-template-columns:1fr;}
  .stat-grid{grid-template-columns:1fr 1fr;padding:22px 18px;}
  .stat-num{font-size:1.625rem;}
  .stat-item{padding-left:14px;}
  .split{padding:22px;}
  .cta-card{padding:26px 22px;border-radius:var(--radius-lg);}
  .form-card{padding:22px;}
  .faq-q{padding:18px 18px;font-size:1rem;}
  .faq-a-inner{padding:0 18px 20px;}
  .footer-grid{grid-template-columns:1fr;}
  .site-footer{padding:52px 0 24px;}
  .footer-bottom{flex-direction:column;}
}
@media screen and (max-width:520px){
  .hero-cta .btn{width:100%;}
  .stat-grid{grid-template-columns:1fr;}
  .stat-item{border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:14px;}
  .stat-item:first-child{border-top:0;padding-top:0;}
}