/* roulang page: index */
:root{
  --primary:#0F766E;
  --primary-dark:#115E59;
  --primary-deep:#0A4A44;
  --primary-soft:#E4F2F0;
  --accent:#F59E0B;
  --accent-soft:#FEF3E2;
  --bg-page:#F8FAF9;
  --bg-card:#FFFFFF;
  --bg-dark:#0B1B18;
  --bg-dark-2:#102723;
  --text-title:#0F172A;
  --text-body:#334155;
  --text-muted:#64748B;
  --border:#E2E8F0;
  --border-light:#E6EDEB;
  --radius-lg:16px;
  --radius-card:12px;
  --radius-btn:8px;
  --shadow-sm:0 1px 2px rgba(15,23,42,.05),0 1px 3px rgba(15,23,42,.06);
  --shadow-md:0 4px 12px rgba(15,23,42,.08);
  --shadow-lg:0 12px 28px rgba(15,23,42,.12);
  --brand-gradient:linear-gradient(135deg,#0F766E 0%,#115E59 100%);
  --font-main:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font-main);
  background:var(--bg-page);
  color:var(--text-body);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul,ol{list-style:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
input{font-family:inherit;}
.container{width:min(1200px,92vw);margin-inline:auto;}
.gradient-text{
  background:linear-gradient(135deg,#14B8A6,#F59E0B);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.section{padding:84px 0;}
.section-sm{padding:50px 0;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head.center{margin-inline:auto;text-align:center;}
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--primary);
  background:var(--primary-soft);padding:6px 14px;border-radius:999px;
  text-transform:uppercase;margin-bottom:16px;
}
.kicker .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);}
.section-head h2{
  font-size:clamp(26px,4vw,38px);
  line-height:1.25;color:var(--text-title);font-weight:800;
  letter-spacing:-.02em;
}
.section-head p{
  font-size:16px;color:var(--text-muted);margin-top:14px;
  line-height:1.8;
}
.accent{color:var(--accent);}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:700;line-height:1;
  padding:13px 24px;border-radius:var(--radius-btn);
  transition:all .22s ease;white-space:nowrap;
}
.btn-primary{
  background-color:var(--primary);color:#fff;
  box-shadow:0 4px 10px rgba(15,118,110,.25);
}
.btn-primary:hover{background-color:var(--primary-dark);transform:translateY(-2px);box-shadow:0 8px 18px rgba(15,118,110,.3);}
.btn-primary:active{transform:none;}
.btn-outline{
  background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.8);
}
.btn-outline:hover{background:rgba(255,255,255,.12);border-color:#fff;}
.btn-outline-dark{
  background:transparent;color:var(--primary);border:1.5px solid var(--primary);
}
.btn-outline-dark:hover{background:var(--primary-soft);}
.btn-light{background:#fff;color:var(--primary-dark);box-shadow:0 8px 20px rgba(0,0,0,.14);}
.btn-light:hover{background:#F0FDFA;transform:translateY(-2px);}
.btn-lg{padding:16px 32px;font-size:16px;border-radius:10px;}
.btn-sm{padding:9px 16px;font-size:14px;}
.btn i.bi{font-size:15px;transition:transform .2s ease;}
.btn:hover i.bi-arrow-right{transform:translateX(4px);}

/* ===== Header ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  height:72px;background:rgba(255,255,255,.96);
  box-shadow:0 1px 0 var(--border),0 4px 18px rgba(15,23,42,.05);
  backdrop-filter:blur(8px);
}
.header-inner{display:flex;align-items:center;gap:20px;height:72px;}
.logo{
  display:inline-flex;align-items:center;gap:11px;
  font-weight:800;font-size:21px;color:var(--text-title);
  letter-spacing:-.01em;flex-shrink:0;
}
.logo-mark{
  width:40px;height:40px;border-radius:11px;
  background:linear-gradient(135deg,#0F766E,#134E4A);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:19px;box-shadow:0 6px 14px rgba(15,118,110,.32);
  position:relative;overflow:hidden;
}
.logo-mark::after{
  content:"";position:absolute;width:22px;height:22px;
  border:2px solid rgba(255,255,255,.28);border-radius:50%;right:-8px;bottom:-8px;
}
.logo-mark i.bi{font-size:20px;line-height:1;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:10px;}
.nav-link{
  display:inline-flex;align-items:center;height:72px;padding:0 14px;
  font-size:15px;font-weight:600;color:#334155;position:relative;
  border-bottom:2px solid transparent;transition:color .18s ease;
}
.nav-link:hover{color:var(--primary);}
.nav-link.active{color:var(--primary);border-bottom-color:var(--primary);}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.search-box{
  display:flex;align-items:center;gap:6px;
  background:#F1F5F5;border-radius:8px;padding:0 10px;
  height:38px;width:180px;transition:all .2s ease;
}
.search-box:focus-within{background:#fff;border:2px solid var(--primary);box-shadow:0 0 0 4px rgba(15,118,110,.12);}
.search-box i{
  color:var(--text-muted);font-size:14px;
}
.search-box input{
  border:none;outline:none;background:transparent;width:100%;
  font-size:14px;color:var(--text-body);
}
.search-box input::placeholder{color:#94A3B8;}
.header-cta .btn{padding:9px 16px;font-size:14px;border-radius:8px;}
.header-cta-mobile{display:none;}
.nav-burger{display:none;width:44px;height:44px;align-items:center;justify-content:center;font-size:25px;color:var(--text-title);border-radius:8px;}
.nav-burger:hover{background:#F1F5F9;}

/* ===== Hero ===== */
.hero{
  position:relative;margin-top:72px;overflow:hidden;
  background:linear-gradient(135deg,#094A45 0%,#0B1B18 70%,#10231F 100%);
  color:#fff;padding:96px 0 110px;
}
.hero-bg{
  position:absolute;inset:0;opacity:.3;mix-blend-mode:luminosity;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(7,47,43,.9) 0%,rgba(11,27,24,.5) 70%,rgba(10,38,32,.4) 100%);
}
.hero-orb{
  position:absolute;border:1px solid rgba(255,255,255,.08);border-radius:50%;
}
.orb-1{width:520px;height:520px;right:-190px;top:-160px;}
.orb-2{width:360px;height:360px;right:-70px;bottom:-120px;border-color:rgba(255,255,255,.07);}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;}
.hero-copy .hero-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.1em;
  color:#99F6E4;background:rgba(20,184,166,.14);
  border:1px solid rgba(20,184,166,.3);
  padding:7px 14px;border-radius:999px;margin-bottom:20px;
}
.hero-copy h1{
  font-size:clamp(34px,5vw,52px);
  line-height:1.16;color:#fff;font-weight:900;letter-spacing:-.03em;
}
.hero-copy h1 .highlight{
  background:linear-gradient(120deg,#34D399,#FBBF24);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{
  font-size:clamp(16px,2vw,18px);color:#D1FAE5;
  max-width:520px;margin:22px 0 32px;line-height:1.8;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;align-items:center;}
.hero-amount-note{
  width:100%;margin-top:18px;font-size:14px;color:#99F6E4;
  display:flex;gap:8px;align-items:center;
}
.hero-amount-note i{font-size:15px;}
.hero-visual{position:relative;display:flex;justify-content:center;}
.hero-visual img{
  width:100%;max-width:480px;border-radius:22px;
  box-shadow:0 28px 70px rgba(0,0,0,.35);
  border:1px solid rgba(255,255,255,.16);
  aspect-ratio:4/3;object-fit:cover;
}
.hero-float-card{
  position:absolute;background:rgba(255,255,255,.96);border-radius:14px;
  padding:12px 16px;display:flex;align-items:center;gap:10px;
  color:var(--text-title);box-shadow:0 18px 40px rgba(0,0,0,.3);
  font-size:13px;font-weight:700;animation:float 4s ease-in-out infinite;
}
.hero-float-card i{font-size:18px;color:var(--primary);}
.float-c1{bottom:28px;left:-26px;}
.float-c2{top:30px;right:-18px;animation-delay:-2s;}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
.hero-features{
  position:relative;z-index:3;margin-top:-44px;
  display:grid;grid-template-columns:repeat(3,1fr);gap:18px;
  background:#fff;border-radius:var(--radius-lg);
  padding:22px 26px;box-shadow:var(--shadow-lg);
}
.hero-feature{
  display:flex;align-items:center;gap:12px;
  padding-right:18px;border-right:1px solid var(--border-light);
}
.hero-feature:last-child{border-right:none;padding-right:0;}
.hero-feature .ic{
  width:38px;height:38px;border-radius:10px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  font-size:17px;background:var(--primary-soft);color:var(--primary);
}
.hero-feature strong{font-size:15px;color:var(--text-title);font-weight:800;}
.hero-feature span{font-size:12px;color:var(--text-muted);white-space:nowrap;}

/* ===== Categories ===== */
.feature-nav-grid{
  display:grid;grid-template-columns:repeat(2,1fr);
  gap:28px;
}
.feature-nav-card{
  display:flex;align-items:stretch;gap:22px;
  background:var(--bg-card);border-radius:20px;padding:26px;
  border:1px solid var(--border-light);
  box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease;
}
.feature-nav-card:hover{
  transform:translateY(-5px);box-shadow:var(--shadow-lg);
}
.feature-nav-card .fnum{
  font-size:44px;font-weight:900;color:transparent;line-height:1;
  -webkit-text-stroke:2px #B6DCD6;flex-shrink:0;height:fit-content;
}
.feature-nav-card h3{font-size:20px;font-weight:800;color:var(--text-title);margin-bottom:8px;}
.feature-nav-card p{font-size:14px;color:var(--text-muted);flex:1;}
.feature-nav-card .card-arrow{
  width:36px;height:36px;border-radius:50%;flex-shrink:0;
  background:var(--primary-soft);display:flex;align-items:center;justify-content:center;
  color:var(--primary);font-size:16px;transition:.2s ease;
}
.feature-nav-card:hover .card-arrow{background:var(--primary);color:#fff;transform:rotate(-45deg);}

/* ===== Pick Cards ===== */
.picks-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.pick-card{
  position:relative;border-radius:20px;overflow:hidden;
  background:#fff;border:1px solid var(--border-light);
  box-shadow:var(--shadow-sm);transition:all .3s ease;
}
.pick-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);}
.pick-card .pic{
  aspect-ratio:4/3;overflow:hidden;position:relative;background:#E2E8F0;
}
.pick-card .pic img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .45s ease;
}
.pick-card:hover .pic img{transform:scale(1.07);}
.pick-card .pic .badge-posi{
  position:absolute;left:14px;top:14px;z-index:2;
  background:rgba(15,23,42,.75);backdrop-filter:blur(6px);
  color:#fff;font-size:12px;font-weight:700;
  padding:5px 12px;border-radius:999px;
  display:inline-flex;align-items:center;gap:5px;
}
.pick-card .pic .badge-posi i{color:#FBBF24;}
.pick-body{padding:20px 20px 22px;}
.pick-body h3{font-size:18px;font-weight:800;color:var(--text-title);margin:6px 0 8px;letter-spacing:-.01em;}
.pick-body p{font-size:14px;color:var(--text-muted);line-height:1.65;}
.pick-meta{
  margin-top:14px;padding-top:12px;border-top:1px solid var(--border-light);
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  font-size:13px;color:var(--text-muted);
}
.pick-meta .hot{display:inline-flex;align-items:center;gap:5px;color:var(--accent);font-weight:700;font-size:13px;}
.pick-meta .hot i{font-size:14px;}
.btn-more-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--primary);font-weight:700;font-size:14px;
}
.btn-more-link i{transition:transform .2s ease;}
.btn-more-link:hover i{transform:translateX(4px);}
.see-all{
  text-align:center;margin-top:36px;
}

/* ===== News / CMS ===== */
.news-section{background:linear-gradient(180deg,#F1F7F6 0%,#fff 100%);}
.news-wrap{
  display:grid;grid-template-columns:1.1fr .9fr;
  gap:34px;align-items:start;margin-top:42px;
}
.news-feature{
  background:var(--bg-card);border-radius:20px;overflow:hidden;
  border:1px solid var(--border-light);box-shadow:var(--shadow-sm);
  transition:box-shadow .25s ease;
}
.news-feature:hover{box-shadow:var(--shadow-lg);}
.news-feature a.main-link{display:block;}
.news-feature .thumb{aspect-ratio:16/9;overflow:hidden;background:#E4E9E9;position:relative;}
.news-feature .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.news-feature:hover .thumb img{transform:scale(1.05);}
.news-feature .nf-body{padding:25px 26px 30px;}
.news-feature .nf-title{
  font-size:22px;line-height:1.45;font-weight:800;
  color:var(--text-title);margin-bottom:12px;transition:color .2s;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-feature .nf-title:hover{color:var(--primary);}
.news-feature .nf-excerpt{
  font-size:15px;color:var(--text-muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-feature .nf-meta{
  margin-top:18px;display:flex;align-items:center;gap:14px;font-size:13px;color:var(--text-muted);
}
.news-feature .read-more{
  margin-left:auto;display:inline-flex;align-items:center;gap:5px;
  color:var(--primary);font-weight:700;font-size:13px;
}
.news-feature:hover .read-more i{transform:translateX(4px);}
.news-list{display:flex;flex-direction:column;gap:14px;}
.news-list-item{
  display:flex;gap:16px;align-items:center;
  background:#fff;padding:14px;border-radius:16px;
  border:1px solid var(--border-light);transition:.2s ease;
}
.news-list-item:hover{border-color:#B6E0DB;box-shadow:var(--shadow-md);}
.news-thumb{
  width:104px;height:76px;border-radius:10px;flex-shrink:0;overflow:hidden;
  background:#F0F5F4;
}
.news-thumb img{
  width:100%;height:100%;object-fit:cover;transition:transform .3s;
}
.news-list-item:hover .news-thumb img{transform:scale(1.06);}
.nl-body{flex:1;min-width:0;}
.nl-title{
  font-size:15px;font-weight:700;color:var(--text-title);line-height:1.5;
  margin-bottom:5px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.nl-title:hover{color:var(--primary);}
.nl-meta{display:flex;flex-wrap:wrap;gap:10px;font-size:12px;color:var(--text-muted);}
.nl-meta .cat{
  color:var(--primary);background:var(--primary-soft);
  padding:2px 10px;border-radius:999px;font-weight:600;
}
.empty-state{
  grid-column:1/-1;padding:64px 20px;text-align:center;
  background:#fff;border:1px dashed #BED3D0;border-radius:20px;
}
.empty-state .empty-ic{width:58px;height:58px;border-radius:50%;background:var(--primary-soft);color:var(--primary);display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:26px;}
.empty-state p{color:var(--text-muted);font-size:16px;}

/* ===== Dark Steps ===== */
.steps-dark{
  background:var(--bg-dark);position:relative;overflow:hidden;color:#fff;
  border-top:1px solid rgba(255,255,255,.06);
}
.steps-dark::before{
  content:"";position:absolute;inset:0;opacity:.2;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.steps-dark::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(11,27,24,.94) 0%,rgba(10,42,37,.75) 100%);
}
.steps-inner{position:relative;z-index:2;}
.steps-section .section-head h2{color:#fff;}
.section-head .steps-muted{color:#A9C7C1;}
.steps-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:28px;
  margin-top:60px;
}
.step-item{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.13);
  border-radius:20px;padding:32px 28px;backdrop-filter:blur(10px);
  transition:all .25s ease;position:relative;overflow:hidden;
}
.step-item:hover{transform:translateY(-5px);background:rgba(255,255,255,.09);}
.step-index{
  font-size:54px;font-weight:900;color:rgba(153,246,228,.2);
  font-feature-settings:normal;line-height:1;margin-bottom:14px;
}
.step-item .step-ic{
  width:46px;height:46px;border-radius:50%;
  background:linear-gradient(135deg,#14B8A6,#0F766E);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:20px;margin-bottom:18px;
}
.step-item h3{font-size:19px;font-weight:800;color:#fff;margin-bottom:10px;}
.step-item p{font-size:14px;color:#AFCAC5;line-height:1.75;}
.step-line{
  position:absolute;right:-8px;top:50%;width:20px;height:20px;
  color:#22D3EE;opacity:.6;
}
.step-line i{font-size:18px;}

/* ===== Testimonials ===== */
.testi-section{background:#fff;}
.testi-slider{position:relative;overflow:hidden;}
.testi-track{
  display:flex;gap:26px;
  transition:transform .45s ease;margin-top:40px;
}
.testi-item{
  width:calc((100% - 52px)/3);flex-shrink:0;
  background:var(--bg-page);border:1px solid var(--border-light);
  border-radius:20px;padding:28px 24px 24px;
  display:flex;flex-direction:column;position:relative;
  transition:box-shadow .25s ease;
}
.testi-item:hover{box-shadow:var(--shadow-md);}
.testi-item .quote-ic{
  width:40px;height:40px;border-radius:10px;
  background:var(--accent-soft);color:var(--accent);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;margin-bottom:14px;
}
.testi-stars{display:flex;gap:3px;color:var(--accent);font-size:15px;margin-bottom:14px;}
.testi-item .testi-text{
  font-size:15px;color:#334155;line-height:1.75;flex:1;
}
.testi-user{
  display:flex;align-items:center;gap:11px;margin-top:22px;
  padding-top:18px;border-top:1px solid var(--border-light);
}
.testi-user .avatar{
  width:40px;height:40px;border-radius:50%;flex-shrink:0;
  background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:15px;
}
.testi-user .avatar.avatar-a{background:#0F766E;}
.testi-user .avatar.avatar-b{background:#B45309;}
.testi-user .avatar.avatar-c{background:#1E40AF;}
.testi-user strong{display:block;font-size:14px;color:var(--text-title);line-height:1.3;}
.testi-user span{font-size:12px;color:var(--text-muted);}
.testi-controls{
  display:flex;gap:10px;justify-content:flex-end;margin-top:26px;
}
.slide-btn{
  width:40px;height:40px;border-radius:50%;
  border:1px solid var(--border);color:var(--text-body);
  display:flex;align-items:center;justify-content:center;
  background:#fff;transition:.2s ease;
}
.slide-btn:hover{background:var(--primary);color:#fff;border-color:var(--primary);}

/* ===== Trust / Services ===== */
.trust-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;
}
.trust-item{
  background:var(--bg-card);border:1px solid var(--border-light);
  border-radius:18px;padding:30px 24px;text-align:center;
  box-shadow:var(--shadow-sm);transition:transform .22s ease;
}
.trust-item:hover{transform:translateY(-4px);}
.trust-item .t-ic{
  width:54px;height:54px;border-radius:16px;margin:0 auto 18px;
  display:flex;align-items:center;justify-content:center;
  background:var(--primary-soft);color:var(--primary);font-size:25px;
}
.trust-item:nth-child(2) .t-ic{background:var(--accent-soft);color:#D97706;}
.trust-item:nth-child(3) .t-ic{background:#E8F6EE;color:#15803D;}
.trust-item:nth-child(4) .t-ic{background:#EDE9FE;color:#6D28D9;}
.trust-item h3{font-size:17px;font-weight:800;color:var(--text-title);margin-bottom:7px;}
.trust-item p{font-size:14px;color:var(--text-muted);line-height:1.65;}

/* ===== FAQ ===== */
.faq-wrap{
  display:grid;grid-template-columns:.86fr 1.14fr;
  gap:70px;align-items:start;
}
.faq-contact{margin-top:24px;background:var(--primary-soft);border:1px solid #C5E7E2;border-radius:16px;padding:20px;}
.faq-contact p{font-size:14px;color:var(--text-body);margin-bottom:14px;line-height:1.7;}
.faq-item{
  background:var(--bg-card);border-radius:12px;
  border:1px solid var(--border-light);margin-bottom:12px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.open{border-color:var(--primary);box-shadow:var(--shadow-sm);}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;font-size:16px;font-weight:700;color:var(--text-title);
  transition:color .2s ease;text-align:left;width:100%;
}
.faq-q:hover{color:var(--primary);}
.faq-icon{
  width:28px;height:28px;border-radius:50%;flex-shrink:0;
  background:var(--primary-soft);color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-size:17px;transition:.3s ease;
}
.faq-item.open .faq-icon{background:var(--primary);color:#fff;transform:rotate(45deg);}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .3s ease;
}
.faq-inner{
  padding:0 22px 22px;border-left:2px solid var(--primary);
  margin-left:22px;color:var(--text-muted);font-size:15px;line-height:1.8;
}
.faq-a.open{max-height:300px;}

/* ===== CTA Banner ===== */
.cta-banner{
  background:linear-gradient(120deg,#0B1B18 0%,#0F4F49 100%);
  position:relative;overflow:hidden;padding:76px 0;
  text-align:center;
}
.cta-banner img.cta-bg{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.16;
}
.cta-content{position:relative;z-index:2;max-width:720px;margin:0 auto;}
.cta-badge{
  display:inline-flex;align-items:center;gap:7px;
  color:#99F6E4;font-size:13px;font-weight:700;letter-spacing:.1em;
  border:1px solid rgba(153,246,228,.3);padding:7px 14px;border-radius:999px;
  margin-bottom:20px;
}
.cta-content h2{font-size:clamp(25px,4vw,42px);color:#fff;font-weight:900;line-height:1.3;margin-bottom:16px;letter-spacing:-.02em;}
.cta-content p{font-size:16px;color:#C7DED9;margin-bottom:34px;line-height:1.8;}
.cta-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;}

/* ===== Footer ===== */
.site-footer{
  background:#0B1B18;color:#A6C3BE;
  font-size:14px;
}
.footer-top{
  padding:66px 0 42px;
  display:grid;grid-template-columns:1.4fr .8fr .8fr 1.1fr;
  gap:46px;
}
.footer-logo{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:19px;font-weight:800;margin-bottom:15px;}
.footer-logo .foot-logo-mark{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,#14B8A6,#0F766E);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:17px;
}
.footer-brand p{line-height:1.8;color:#9FB9B4;margin-top:8px;}
.footer-social{display:flex;gap:8px;margin-top:22px;}
.social-btn{
  width:34px;height:34px;border-radius:10px;background:rgba(255,255,255,.09);
  display:flex;align-items:center;justify-content:center;color:#DFF4F0;font-size:15px;
  transition:.2s ease;
}
.social-btn:hover{background:var(--primary);color:#fff;}
.footer-col-title{font-size:16px;font-weight:800;color:#fff;margin-bottom:20px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{color:#9FB9B4;transition:color .18s ease,transform .18s ease;display:inline-block;}
.footer-col a:hover{color:#5EEAD4;transform:translateX(2px);}
.footer-contact li{
  display:flex;gap:12px;align-items:flex-start;margin-bottom:14px;line-height:1.6;color:#9FB9B4;
}
.footer-contact i{color:#5EEAD4;font-size:16px;margin-top:3px;flex-shrink:0;}
.footer-hr{border:none;border-top:1px solid rgba(255,255,255,.09);}
.footer-bottom{
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  color:#7B9691;font-size:13px;
}
.footer-bottom a{color:#A6C3BE;}
.footer-bottom a:hover{color:#5EEAD4;}

/* ===== focus visible & misc ===== */
a:focus-visible,
button:focus-visible,
input:focus-visible{
  outline:3px solid rgba(245,158,11,.55);
  outline-offset:2px;
  border-radius:4px;
}
.fade-in{opacity:0;transform:translateY(14px);animation:fadeUp .6s ease forwards;}
@keyframes fadeUp{to{opacity:1;transform:none;}}

/* ===== Responsive ===== */
@media (max-width:1023px){
  .main-nav{display:none;}
  .header-actions .search-box{display:none;}
  .header-actions .header-cta{display:none;}
  .nav-burger{display:flex;}
  .site-header.menu-open .main-nav{
    display:flex;position:fixed;top:72px;left:0;right:0;
    background:#fff;flex-direction:column;align-items:stretch;
    padding:10px 5vw 22px;gap:0;
    border-bottom:1px solid var(--border);
    box-shadow:0 12px 30px rgba(15,23,42,.09);
    max-height:calc(100vh - 72px);overflow:auto;
  }
  .site-header.menu-open .nav-link{
    height:auto;padding:15px 10px;border-bottom:1px solid #EEF2F2;
    border-left:3px solid transparent;border-radius:0;
  }
  .site-header.menu-open .nav-link.active{border-left-color:var(--primary);border-bottom-color:#EEF2F2;}
  .home-burger-cta{display:flex!important;margin-top:16px;}
  .hero{padding:74px 0 92px;}
  .hero-inner{grid-template-columns:1fr;gap:34px;}
  .hero-visual{max-width:540px;justify-self:center;}
  .hero-features{
    margin-top:44px;grid-template-columns:1fr;gap:12px;padding:20px;
  }
  .hero-feature{padding:10px;border-right:none;border-bottom:1px solid var(--border-light);}
  .hero-feature:last-child{border-bottom:none;}
  .picks-grid{grid-template-columns:repeat(2,1fr);}
  .trust-grid{grid-template-columns:repeat(2,1fr);}
  .news-wrap{grid-template-columns:1fr;}
  .steps-grid{grid-template-columns:1fr;gap:18px;}
  .section{padding:64px 0;}
  .testi-item{width:calc((100% - 26px)/2);}
  .faq-wrap{grid-template-columns:1fr;gap:40px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:40px;}
  .cta-banner{padding:54px 0;}
}
@media (max-width:767px){
  .header-inner{gap:8px;}
  .logo{font-size:17px;}
  .logo-mark{width:36px;height:36px;border-radius:9px;font-size:18px;}
  .section{padding:50px 0;}
  .section-head{margin-bottom:28px;}
  .section-head h2{font-size:23px;line-height:1.4;}
  .hero{padding:48px 0 60px;margin-top:66px;}
  .hero-copy h1{font-size:31px;}
  .hero-sub{margin-top:14px;margin-bottom:24px;}
  .hero-actions .btn{flex:1;justify-content:center;padding-inline:16px;}
  .hero-features{margin-top:28px;}
  .feature-nav-grid{grid-template-columns:1fr;gap:18px;}
  .feature-nav-card{padding:21px;flex-wrap:wrap;}
  .picks-grid{grid-template-columns:1fr;gap:18px;}
  .news-feature .nf-body{padding:20px 20px 24px;}
  .news-feature .nf-title{font-size:19px;}
  .news-list-item{gap:12px;padding:12px;}
  .news-thumb{width:72px;height:58px;}
  .trust-grid{grid-template-columns:1fr;gap:14px;}
  .trust-item{display:flex;gap:16px;text-align:left;padding:20px;}
  .trust-item .t-ic{margin:0 0 0 auto;flex-shrink:0;width:44px;height:44px;font-size:20px;order:2;}
  .trust-item .trust-copy{order:1;flex:1;}
  .trust-item h3{margin-top:0;}
  .testi-track{gap:18px;}
  .testi-item{width:calc(100% - 40px);}
  .footer-top{grid-template-columns:1fr;gap:30px;padding-top:46px;}
  .footer-bottom{flex-direction:column;text-align:center;justify-content:center;}
  .cta-actions .btn{width:calc(100% - 30px);max-width:320px;}
  .faq-q{font-size:15px;line-height:1.5;}
  .faq-inner{margin-left:8px;font-size:14px;}
  .header-cta-mobile{display:flex;}
  .site-header.menu-open .header-cta-mobile{display:none;}
  .site-header.menu-open .home-burger-cta{display:none!important;}
}

/* roulang page: category1 */
:root {
            --primary: #0F766E;
            --primary-dark: #115E59;
            --primary-light: #CCFBF1;
            --primary-grad: linear-gradient(135deg, #0F766E, #115E59);
            --accent: #F59E0B;
            --bg-page: #F8FAF9;
            --bg-card: #FFFFFF;
            --text-title: #0F172A;
            --text-body: #334155;
            --text-muted: #64748B;
            --border: #E2E8F0;
            --border-card: #E6EDEB;
            --radius-card: 12px;
            --radius-btn: 8px;
            --shadow-sm: 0 1px 2px rgba(15, 23, 42, .05), 0 1px 3px rgba(15, 23, 42, .06);
            --shadow-md: 0 4px 12px rgba(15, 23, 42, .08);
            --shadow-lg: 0 12px 28px rgba(15, 23, 42, .12);
            --font-stack: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --footer-bg: #0B1B1A;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-stack);
            background: var(--bg-page);
            color: var(--text-body);
            line-height: 1.75;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease;
        }

        img {
            max-width: 100%;
            display: block;
        }

        button,
        input {
            font-family: var(--font-stack);
            font-size: 14px;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        ul {
            list-style: none;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            font-size: 14px;
            line-height: 1;
            padding: 0 20px;
            height: 40px;
            border-radius: var(--radius-btn);
            transition: all .25s ease;
            border: 1px solid transparent;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }

        .btn-white {
            background: #fff;
            color: var(--primary-dark);
            border-color: #fff;
        }
        .btn-white:hover {
            background: #f0fdfa;
            border-color: #f0fdfa;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        .btn-outline-white {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, .75);
        }
        .btn-outline-white:hover {
            background: rgba(255, 255, 255, .1);
            border-color: #fff;
        }

        .btn-outline-dark {
            background: transparent;
            color: var(--text-title);
            border-color: var(--border);
        }
        .btn-outline-dark:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(15, 118, 110, .04);
        }

        .btn-lg {
            height: 48px;
            padding: 0 28px;
            font-size: 15px;
        }

        .section-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(15, 118, 110, .08);
            color: var(--primary-dark);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 999px;
            margin-bottom: 16px;
        }

        .section-badge i {
            font-size: 14px;
        }

        .section-title {
            font-size: 30px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-title);
            letter-spacing: -0.01em;
        }

        .section-sub {
            font-size: 15px;
            color: var(--text-muted);
            margin-top: 12px;
            max-width: 720px;
            line-height: 1.75;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, .97);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            height: 72px;
            display: flex;
            align-items: center;
        }

        .header-inner {
            display: flex;
            align-items: center;
            gap: 32px;
            width: 100%;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            font-size: 19px;
            font-weight: 800;
            color: var(--text-title);
            letter-spacing: -0.02em;
        }

        .logo-mark {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--primary-grad);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            box-shadow: var(--shadow-sm);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            margin: 0 auto;
        }

        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            padding: 10px 16px;
            border-radius: 8px;
            position: relative;
            transition: all .2s ease;
        }

        .nav-link:hover {
            color: var(--primary);
            background: rgba(15, 118, 110, .05);
        }

        .nav-link.active {
            color: var(--primary-dark);
            font-weight: 700;
        }

        .nav-link.active::after {
            content: "";
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 2px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-left: auto;
            flex-shrink: 0;
        }

        .search-box {
            display: flex;
            align-items: center;
            gap: 8px;
            background: #F1F5F4;
            border-radius: 8px;
            padding: 0 14px;
            height: 40px;
            width: 200px;
            border: 1px solid transparent;
            transition: all .25s ease;
        }

        .search-box:focus-within {
            border-color: var(--primary);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(15, 118, 110, .12);
        }

        .search-box i {
            color: var(--text-muted);
            font-size: 14px;
            flex-shrink: 0;
        }

        .search-box input {
            border: none;
            outline: none;
            background: transparent;
            font-size: 14px;
            width: 100%;
            color: var(--text-title);
        }

        .search-box input::placeholder {
            color: #94A3B8;
        }

        .header-cta {
            height: 38px;
            padding: 0 16px;
            font-size: 14px;
        }

        .nav-burger {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 8px;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--text-title);
            transition: background .2s ease;
        }

        .nav-burger:hover {
            background: #f1f5f4;
        }

        :focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 4px;
        }

        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .btn:focus-visible {
            outline: 2px solid var(--primary-dark);
            outline-offset: 3px;
            box-shadow: 0 0 0 4px rgba(15, 118, 110, .2);
        }

        /* ===== Page Hero ===== */
        .page-hero {
            background: linear-gradient(140deg, #0F766E 0%, #0D5C56 55%, #0A4A44 100%);
            position: relative;
            overflow: hidden;
            padding: 72px 0 84px;
        }

        .page-hero::before {
            content: "";
            position: absolute;
            top: -40%;
            right: -5%;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255,255,255,.08) 0%, transparent 70%);
        }

        .page-hero::after {
            content: "";
            position: absolute;
            bottom: -60%;
            left: 20%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, transparent 30%, rgba(255,255,255,.04) 60%, transparent 100%);
        }

        .page-hero .button-group {
            display: flex;
            gap: 12px;
            margin-top: 28px;
            flex-wrap: wrap;
        }

        .page-hero .button-group .btn {
            height: 46px;
            padding: 0 28px;
            font-size: 15px;
        }

        .page-hero-inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.05fr .95fr;
            gap: 60px;
            align-items: center;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, .7);
            margin-bottom: 20px;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, .75);
            transition: color .2s;
        }

        .breadcrumb a:hover {
            color: #fff;
        }

        .breadcrumb i {
            font-size: 10px;
            color: rgba(255, 255, 255, .45);
        }

        .page-hero h1 {
            color: #fff;
            font-size: 38px;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.02em;
            max-width: 540px;
        }

        .page-hero h1 .text-block {
            display: block;
        }

        .page-hero .hero-desc {
            color: rgba(255, 255, 255, .85);
            font-size: 17px;
            line-height: 1.8;
            margin-top: 20px;
            max-width: 560px;
        }

        .hero-meta-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 0;
            margin-top: 36px;
            background: rgba(255, 255, 255, .08);
            border-radius: 16px;
            padding: 4px;
            backdrop-filter: blur(4px);
            width: fit-content;
        }

        .hero-meta-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 22px;
            position: relative;
        }

        .hero-meta-item + .hero-meta-item::before {
            content: "";
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            height: 24px;
            width: 1px;
            background: rgba(255,255,255,.18);
        }

        .hero-meta-item i {
            font-size: 20px;
            color: #99F6E4;
        }

        .hero-meta-item .meta-text {
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            line-height: 1.35;
            white-space: nowrap;
        }

        .hero-meta-item .meta-sub {
            color: rgba(255,255,255,.65);
            font-weight: 400;
            font-size: 12px;
        }

        .hero-visual {
            position: relative;
        }

        .hero-visual .main-panel {
            background: #fff;
            border-radius: 20px;
            padding: 16px;
            box-shadow: 0 20px 60px rgba(0,0,0,.18);
            position: relative;
        }

        .hero-visual .main-panel img {
            width: 100%;
            border-radius: 14px;
            height: 300px;
            object-fit: cover;
            background: linear-gradient(135deg, #99F6E4, #CCFBF1);
        }

        .hero-stat-card {
            position: absolute;
            background: #fff;
            border-radius: 12px;
            padding: 12px 16px;
            box-shadow: var(--shadow-lg);
            display: flex;
            align-items: center;
            gap: 10px;
            bottom: -18px;
            left: -18px;
        }

        .hero-stat-card .stat-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: rgba(15, 118, 110, .1);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
        }

        .hero-stat-card .stat-value {
            font-size: 16px;
            font-weight: 800;
            color: var(--text-title);
            line-height: 1.2;
            font-feature-settings: "tnum";
        }

        .hero-stat-card .stat-label {
            font-size: 12px;
            color: var(--text-muted);
            line-height: 1.2;
        }

        .hero-tag-card {
            position: absolute;
            background: #fff;
            border-radius: 12px;
            padding: 10px 16px;
            box-shadow: var(--shadow-lg);
            display: flex;
            align-items: center;
            gap: 8px;
            top: 30px;
            right: -12px;
        }

        .hero-tag-card i {
            color: var(--accent);
            font-size: 15px;
        }

        .hero-tag-card span {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-title);
        }

        /* ===== Common section ===== */
        .section-pad {
            padding: 80px 0;
        }

        .section-head {
            margin-bottom: 44px;
        }

        .section-head .section-title {
            max-width: 620px;
        }

        .section-head .section-sub {
            max-width: 720px;
        }

        /* ===== 特色卖点 三列 ===== */
        .feature-area {
            padding: 80px 0;
            background: #fff;
        }

        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .feature-card {
            background: var(--bg-page);
            border: 1px solid var(--border-card);
            border-radius: 16px;
            padding: 32px 28px;
            transition: all .3s ease;
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--primary-grad);
            opacity: 0;
            transition: opacity .3s;
        }

        .feature-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }

        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-card .f-icon {
            width: 50px;
            height: 50px;
            border-radius: 12px;
            background: rgba(15, 118, 110, .09);
            color: var(--primary-dark);
            font-size: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            transition: all .3s ease;
        }

        .feature-card:hover .f-icon {
            background: var(--primary);
            color: #fff;
        }

        .feature-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .feature-card p {
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-muted);
            margin: 0;
        }

        /* ===== 卡片指南/路径 ===== */
        .guide-area {
            padding: 80px 0;
        }

        .split-grid {
            display: grid;
            grid-template-columns: 1.1fr .9fr;
            gap: 56px;
            align-items: center;
        }

        .text-side h2 {
            font-size: 30px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-title);
            letter-spacing: -0.02em;
            margin-bottom: 18px;
        }

        .text-side > p {
            color: var(--text-muted);
            line-height: 1.8;
            font-size: 15px;
            margin-bottom: 24px;
        }

        .point-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .point-item {
            display: flex;
            gap: 14px;
            align-items: flex-start;
            background: #fff;
            border: 1px solid var(--border-card);
            border-left: 3px solid var(--primary);
            border-radius: 10px;
            padding: 16px 18px;
            transition: box-shadow .2s;
        }

        .point-item:hover {
            box-shadow: var(--shadow-sm);
        }

        .point-item i {
            color: var(--primary);
            font-size: 18px;
            margin-top: 3px;
            flex-shrink: 0;
        }

        .point-item .p-title {
            font-weight: 700;
            color: var(--text-title);
            font-size: 15px;
            margin-bottom: 2px;
        }

        .point-item .p-text {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.7;
        }

        .vis-side .cover-img-card {
            border-radius: 18px;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
            background: #fff;
            padding: 10px;
            border: 1px solid var(--border-card);
        }

        .vis-side .cover-img-card img {
            width: 100%;
            height: 380px;
            object-fit: cover;
            border-radius: 12px;
        }

        .cover-badge-rect {
            position: absolute;
            bottom: 26px;
            left: 26px;
            background: rgba(255, 255, 255, .95);
            backdrop-filter: blur(8px);
            padding: 12px 18px;
            border-radius: 10px;
            box-shadow: var(--shadow-md);
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-title);
        }

        .cover-badge-rect i {
            color: var(--primary);
            font-size: 17px;
        }

        /* ===== 适用场景 / 人群深度 ===== */
        .scenario-area {
            background: #fff;
            padding: 80px 0;
        }

        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .scenario-card {
            border-radius: 16px;
            padding: 30px 22px;
            text-align: center;
            border: 1px solid var(--border-card);
            transition: all .3s ease;
            background: var(--bg-page);
        }

        .scenario-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(15, 118, 110, .2);
        }

        .scenario-card .sc-icon {
            font-size: 30px;
            margin-bottom: 14px;
            width: 60px;
            height: 60px;
            line-height: 60px;
            border-radius: 50%;
            background: rgba(15, 118, 110, .08);
            color: var(--primary-dark);
            margin-left: auto;
            margin-right: auto;
        }

        .scenario-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 8px;
        }

        .scenario-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
        }

        /* ===== 数据展示 ===== */
        .metric-band {
            background: var(--primary-grad);
            padding: 56px 0;
        }

        .metric-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            text-align: center;
        }

        .metric-item .m-num {
            font-size: 30px;
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            font-feature-settings: "tnum";
            letter-spacing: -0.02em;
        }

        .metric-item .m-label {
            font-size: 14px;
            color: rgba(255, 255, 255, .75);
            margin-top: 4px;
            font-weight: 500;
        }

        .metric-item {
            padding: 12px 0;
            border-right: 1px solid rgba(255,255,255,.12);
        }

        .metric-item:last-child {
            border-right: none;
        }

        /* ===== 流程 ===== */
        .process-area {
            background: var(--bg-page);
            padding: 80px 0;
        }

        .process-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 48px;
            margin-top: 52px;
            position: relative;
        }

        .process-grid::before {
            content: "";
            position: absolute;
            top: 30px;
            left: 16%;
            right: 16%;
            height: 2px;
            background: linear-gradient(90deg, rgba(15,118,110,.15), rgba(15,118,110,.4), rgba(15,118,110,.15));
        }

        .process-card {
            text-align: center;
            background: #fff;
            border-radius: 16px;
            padding: 36px 24px 28px;
            border: 1px solid var(--border-card);
            transition: all .3s ease;
            position: relative;
        }

        .process-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }

        .process-num {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: var(--primary-grad);
            color: #fff;
            font-weight: 800;
            font-size: 22px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            box-shadow: 0 0 0 6px rgba(15, 118, 110, .08);
            font-feature-settings: "tnum";
        }

        .process-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 8px;
        }

        .process-card p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-muted);
            margin: 0;
        }

        /* ===== 资讯/内容列表(分类卡片区) ===== */
        .content-preview {
            background: #fff;
            padding: 80px 0;
        }

        .content-area-title {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 36px;
            flex-wrap: wrap;
            gap: 16px;
        }

        .content-area-title .left-block .tagline {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            background: rgba(15, 118, 110, .07);
            color: var(--primary-dark);
            border-radius: 999px;
            padding: 4px 14px;
            margin-bottom: 10px;
        }

        .content-area-title h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--text-title);
            letter-spacing: -0.01em;
        }

        .content-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .content-card {
            background: var(--bg-page);
            border: 1px solid var(--border-card);
            border-radius: 16px;
            overflow: hidden;
            transition: all .3s ease;
            display: flex;
            flex-direction: column;
        }

        .content-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-5px);
        }

        .content-card .img-wrap {
            position: relative;
            height: 180px;
            overflow: hidden;
            background: linear-gradient(135deg, #d9f3ed, #b9e5dd);
        }

        .content-card .img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .6s cubic-bezier(.3, .7, .3, 1);
        }

        .content-card:hover .img-wrap img {
            transform: scale(1.05);
        }

        .content-card .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(255, 255, 255, .95);
            backdrop-filter: blur(6px);
            color: var(--primary-dark);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 999px;
            box-shadow: var(--shadow-sm);
        }

        .content-card .card-body {
            padding: 22px 20px 18px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .content-card .card-title {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.5;
            color: var(--text-title);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            min-height: 52px;
            transition: color .2s ease;
            margin-bottom: 8px;
        }

        .content-card a.card-title:hover {
            color: var(--primary);
        }

        .content-card .card-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 16px;
        }

        .content-card .card-meta-row {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-top: auto;
            padding-top: 12px;
            border-top: 1px solid var(--border);
        }

        .content-card .c-date {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 5px;
            font-feature-settings: "tnum";
        }

        .content-card .c-date i {
            font-size: 13px;
        }

        .content-card .read-more {
            margin-left: auto;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 4px;
            transition: gap .2s ease;
        }

        .content-card .read-more:hover {
            gap: 8px;
        }

        /* ===== FAQ ===== */
        .faq-area {
            padding: 80px 0;
            background: var(--bg-page);
        }

        .faq-layout {
            display: grid;
            grid-template-columns: .9fr 1.1fr;
            gap: 60px;
            align-items: flex-start;
        }

        .faq-left-side .section-title {
            margin-bottom: 16px;
        }

        .faq-left-side p {
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 28px;
        }

        .faq-contact-card {
            background: #fff;
            border: 1px solid var(--border-card);
            border-left: 4px solid var(--primary);
            border-radius: 12px;
            padding: 20px;
            box-shadow: var(--shadow-sm);
        }

        .faq-contact-card .fc-title {
            font-weight: 700;
            color: var(--text-title);
            font-size: 16px;
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .faq-contact-card .fc-title i {
            color: var(--primary);
        }

        .faq-contact-card p {
            margin-bottom: 14px;
            font-size: 14px;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border-card);
            border-radius: 12px;
            overflow: hidden;
            transition: border-color .2s, box-shadow .2s;
        }

        .faq-item.open {
            border-color: rgba(15, 118, 110, .4);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            background: none;
            text-align: left;
            color: var(--text-title);
            font-weight: 600;
            font-size: 15px;
            line-height: 1.5;
        }

        .faq-toggle {
            flex-shrink: 0;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: rgba(15, 118, 110, .08);
            color: var(--primary);
            font-size: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all .3s ease;
        }

        .faq-item.open .faq-toggle {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .25s ease;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
        }

        .faq-answer p {
            padding: 0 22px 20px 22px;
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.8;
            margin: 0;
            border-left: 2px solid transparent;
        }
        .faq-item.open .faq-answer p {
            border-left-color: var(--primary);
            margin-left: 22px;
        }

        /* ===== CTA 横幅 ===== */
        .cta-banner {
            background: linear-gradient(135deg, #0F766E, #0B4F48);
            padding: 72px 0;
            position: relative;
            overflow: hidden;
            text-align: center;
        }

        .cta-banner::before {
            content: "";
            position: absolute;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255,255,255,.04);
            left: 10%;
            top: -60px;
        }

        .cta-banner::after {
            content: "";
            position: absolute;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: rgba(255,255,255,.03);
            right: 5%;
            bottom: -140px;
        }

        .cta-banner .container {
            position: relative;
            z-index: 2;
        }

        .cta-banner h2 {
            font-size: 30px;
            font-weight: 800;
            color: #fff;
            line-height: 1.35;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }

        .cta-banner .cta-sub {
            color: rgba(255, 255, 255, .8);
            font-size: 16px;
            margin-bottom: 32px;
            max-width: 640px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.8;
        }

        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .cta-buttons .btn {
            height: 46px;
            padding: 0 32px;
            font-size: 15px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--footer-bg);
            color: #94A3B8;
            padding: 70px 0 0;
            font-size: 14px;
        }

        .site-footer .footer-top {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }

        .foot-logo-mark {
            width: 34px;
            height: 34px;
            border-radius: 9px;
            background: var(--primary-grad);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
        }

        .footer-brand p {
            color: #7D8B9F;
            line-height: 1.8;
            font-size: 14px;
            margin-bottom: 20px;
            max-width: 340px;
        }

        .footer-social {
            display: flex;
            gap: 10px;
        }

        .social-btn {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: rgba(255,255,255,.05);
            color: #A1AEBF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            transition: all .25s;
        }

        .social-btn:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-3px);
        }

        .footer-col-title {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-col-title::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 20px;
            height: 2px;
            background: var(--primary);
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li a {
            color: #8C9AAA;
            transition: all .2s;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-col ul li a:hover {
            color: #5FC4B8;
            padding-left: 3px;
        }

        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            color: #8C9AAA;
            line-height: 1.7;
        }

        .footer-contact li i {
            color: #5FC4B8;
            margin-top: 4px;
        }

        .footer-hr {
            border: none;
            border-top: 1px solid rgba(255,255,255,.08);
            margin: 0;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 0;
            color: #637083;
            font-size: 13px;
            gap: 12px;
            flex-wrap: wrap;
        }

        .footer-bottom a {
            color: #8C9AAA;
        }

        .footer-bottom a:hover {
            color: #5FC4B8;
        }

        .footer-bottom .site-domain-text {
            font-feature-settings: "tnum";
        }

        /* ===== Mobile nav drawer ===== */
        .mobile-nav-drawer {
            display: none;
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            background: #fff;
            padding: 12px 24px 30px;
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-md);
            z-index: 999;
            flex-direction: column;
            gap: 6px;
        }

        .mobile-nav-drawer.open {
            display: flex;
        }

        .mobile-nav-drawer .nav-link {
            display: block;
            border-radius: 10px;
            padding: 14px 16px;
            font-size: 16px;
        }

        .mobile-nav-drawer .nav-link.active {
            background: rgba(15, 118, 110, .06);
        }

        .mobile-search-row {
            display: flex;
            gap: 8px;
            margin-top: 8px;
            padding-top: 10px;
            border-top: 1px solid var(--border);
        }

        .mobile-search-row .search-box {
            flex: 1;
            width: auto;
        }

        /* ===== Empty state ===== */
        .empty-state {
            text-align: center;
            padding: 56px 24px;
            color: var(--text-muted);
            background: #fff;
            border-radius: 16px;
            border: 1px dashed var(--border);
        }

        .empty-state i {
            font-size: 40px;
            color: var(--primary-light);
            display: block;
            margin-bottom: 10px;
        }

        .empty-state p {
            font-size: 16px;
            font-weight: 500;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1023px) {
            .main-nav {
                display: none;
            }
            .search-box {
                display: none;
            }
            .header-cta.outline-hideable {
                display: none;
            }
            .nav-burger {
                display: flex;
            }
            .page-hero-inner,
            .split-grid,
            .faq-layout {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .page-hero {
                padding: 48px 0 56px;
            }
            .hero-visual .main-panel img {
                height: 260px;
            }
            .section-pad,
            .feature-area,
            .guide-area,
            .scenario-area,
            .process-area,
            .content-preview,
            .faq-area {
                padding: 56px 0;
            }
            .scenario-grid,
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .metric-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .metric-item {
                border-right: none;
                border-bottom: 1px solid rgba(255,255,255,.08);
                padding: 16px 0;
            }
            .process-grid::before {
                display: none;
            }
            .content-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .site-footer .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 767px) {
            .container {
                padding: 0 16px;
            }
            .header-inner {
                gap: 12px;
            }
            .logo {
                font-size: 16px;
            }
            .logo-mark {
                width: 32px;
                height: 32px;
                font-size: 15px;
                border-radius: 8px;
            }
            .header-actions {
                gap: 8px;
            }
            .header-cta {
                display: none;
            }
            .btn-primary.header-cta {
                display: none;
            }
            .page-hero h1 {
                font-size: 28px;
            }
            .page-hero .hero-desc {
                font-size: 15px;
            }
            .hero-meta-strip {
                flex-direction: column;
                gap: 4px;
            }
            .hero-meta-item + .hero-meta-item::before {
                display: none;
            }
            .hero-meta-item {
                padding: 12px 20px;
                border-bottom: 1px solid rgba(255,255,255,.07);
            }
            .hero-meta-item:last-child {
                border-bottom: none;
            }
            .hero-stat-card {
                left: 8px;
            }
            .section-title {
                font-size: 22px;
            }
            .content-area-title h2 {
                font-size: 22px;
            }
            .feature-grid,
            .content-grid,
            .scenario-grid,
            .process-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .feature-card {
                padding: 24px 20px;
            }
            .metric-grid {
                grid-template-columns: 1fr 1fr;
            }
            .faq-layout {
                gap: 20px;
            }
            .btn-lg {
                width: 100%;
            }
            .button-group {
                display: flex;
                flex-direction: column;
                gap: 10px !important;
                align-items: stretch;
            }
            .button-group .btn {
                width: 100%;
            }
            .site-footer .footer-top {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                justify-content: center;
            }
            .hero-visual {
                margin-top: 10px;
            }
            .hero-visual .main-panel img {
                height: 220px;
            }
            .vis-side .cover-img-card img {
                height: 260px;
            }
            .cta-banner {
                padding: 50px 0;
            }
            .cta-banner h2 {
                font-size: 22px;
            }
            .cta-buttons .btn {
                width: 100%;
            }
            .faq-answer p {
                border-left: none !important;
                margin-left: 0 !important;
            }
        }

/* roulang page: article */
:root{
  --primary:#0F766E;
  --primary-dark:#115E59;
  --primary-deep:#0B4F4A;
  --primary-tint:rgba(15,118,110,.08);
  --primary-tint2:rgba(15,118,110,.14);
  --accent:#F59E0B;
  --accent-tint:rgba(245,158,11,.12);
  --bg-page:#F4F7F6;
  --bg-card:#FFFFFF;
  --bg-soft:#EEF4F2;
  --text-title:#0F172A;
  --text-body:#334155;
  --text-muted:#5F7182;
  --border:#DFE8E5;
  --radius-card:14px;
  --radius-btn:8px;
  --radius-badge:999px;
  --shadow-sm:0 1px 2px rgba(15,23,42,.05),0 2px 6px rgba(15,23,42,.05);
  --shadow-md:0 8px 22px rgba(15,23,42,.08);
  --shadow-lg:0 18px 42px rgba(15,23,42,.13);
  --transition:all .28s ease;
  --header-h:72px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--bg-page);
  color:var(--text-body);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
body.page-article-detail{background:#F2F7F5}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button,input{font:inherit;color:inherit;border:none;background:none}
input:focus,button:focus,a:focus{outline:none}
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:3px solid rgba(15,118,110,.38);
  outline-offset:2px;border-radius:6px;
}
.skip-link{position:absolute;left:-999px;top:-999px;z-index:9999}
.skip-link:focus{left:16px;top:16px;background:var(--primary);color:#fff;padding:10px 20px;border-radius:var(--radius-btn)}
.container{width:min(1200px,92vw);margin-inline:auto}
section,footer{position:relative}
i{font-style:normal}

.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--border);
  box-shadow:0 1px 4px rgba(15,23,42,.04);
}
.header-inner{
  height:var(--header-h);
  display:flex;align-items:center;gap:28px;
}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:42px;height:42px;border-radius:11px;
  background:linear-gradient(135deg,#0F766E,#115E59);
  color:#fff;font-size:20px;
  display:grid;place-items:center;
  box-shadow:0 6px 14px rgba(15,118,110,.25);
}
.logo>span:last-child{font-size:18px;font-weight:800;color:var(--text-title);letter-spacing:.2px;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:6px;flex:1;justify-content:center;min-width:0}
.nav-link{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 15px;
  color:#253A47;font-size:15px;font-weight:600;
  border-radius:30px;transition:var(--transition);
}
.nav-link:hover{color:var(--primary);background:var(--primary-tint)}
.nav-link.active{color:var(--primary);background:var(--primary-tint)}
.header-actions{
  display:flex;align-items:center;gap:12px;flex-shrink:0;
}
.search-box{
  display:flex;align-items:center;gap:8px;
  background:#F2F6F5;border:1px solid transparent;
  border-radius:30px;height:40px;padding:0 14px;
  width:200px;color:#86969F;
  transition:var(--transition);
}
.search-box:focus-within{border-color:rgba(15,118,110,.4);background:#fff;box-shadow:0 0 0 3px rgba(15,118,110,.1)}
.search-box input{flex:1;border:none;outline:none;background:transparent;font-size:14px;min-width:0}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  height:40px;padding:0 18px;border-radius:var(--radius-btn);
  font-size:14px;font-weight:700;line-height:1;white-space:nowrap;
  cursor:pointer;transition:var(--transition);text-align:center;
}
.btn i{font-size:15px}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 14px rgba(15,118,110,.22)}
.btn-primary:hover{background:#0D6460;transform:translateY(-1px);box-shadow:0 8px 20px rgba(15,118,110,.28)}
.btn-primary:active{transform:translateY(0)}
.btn-outline-dark{border:1px solid #CFDAD7;background:#fff;color:#263A47}
.btn-outline-dark:hover{border-color:#9EB3AA;background:#F3F7F6;color:var(--primary-dark)}
.btn-light{background:#fff;color:var(--primary-dark);box-shadow:0 8px 20px rgba(0,0,0,.12)}
.btn-light:hover{background:#F0FAF8;transform:translateY(-1px)}
.btn-outline-light{border:1.5px solid rgba(255,255,255,.78);color:#fff;background:rgba(255,255,255,.08)}
.btn-outline-light:hover{background:rgba(255,255,255,.18);border-color:#fff}
.header-cta{height:38px;padding:0 16px;font-size:13px}
.nav-burger{display:none;width:42px;height:42px;border-radius:10px;font-size:22px;color:var(--text-title);align-items:center;justify-content:center}
.nav-burger:hover{background:var(--primary-tint);color:var(--primary)}

/* ---------- article hero ---------- */
.article-hero{
  background:
    linear-gradient(103deg,rgba(7,43,42,.93) 4%,rgba(11,68,64,.86) 40%,rgba(7,41,40,.82)),
    url('/assets/images/backpic/back-3.webp') center/cover;
  color:#F8FFFC;
  padding:72px 0 104px;
  overflow:hidden;
}
.article-hero::after{
  content:"";
  position:absolute;right:-140px;top:-140px;width:420px;height:420px;
  border:1px solid rgba(255,255,255,.18);border-radius:50%;
  box-shadow:0 0 0 54px rgba(255,255,255,.04),0 0 0 108px rgba(15,118,110,.18),0 0 0 162px rgba(255,255,255,.04);
}
.article-hero::before{
  content:"";
  position:absolute;left:8%;bottom:-120px;width:280px;height:280px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(28,150,138,.38),rgba(11,68,64,.05) 68%,transparent 74%);
}
.article-hero .hero-copy{position:relative;z-index:3;width:min(850px,100%)}
.breadcrumb-nav{
  display:flex;align-items:center;gap:9px;
  flex-wrap:wrap;font-size:13px;
  color:rgba(236,248,246,.75);margin-bottom:26px;
}
.breadcrumb-nav a{color:rgba(236,248,246,.88);transition:color .2s;border-bottom:1px solid transparent}
.breadcrumb-nav a:hover{color:#fff;border-color:#fff}
.breadcrumb-nav i{font-size:12px;color:rgba(255,255,255,.42)}
.article-cat-pill{
  display:inline-flex;align-items:center;gap:7px;
  background:rgba(255,255,255,.14);color:#EAFCF6;
  font-size:12px;font-weight:700;letter-spacing:.4px;
  padding:5px 13px;border-radius:var(--radius-badge);
  border:1px solid rgba(255,255,255,.16);
  margin-bottom:18px;backdrop-filter:blur(4px);
}
.article-cat-pill i{color:#FCD34D;font-size:12px}
.article-hero h1{
  font-size:clamp(29px,4.4vw,42px);
  color:#fff;font-weight:800;line-height:1.3;
  letter-spacing:.3px;margin-bottom:16px;
  text-wrap:balance;
}
.article-hero h1::after{
  content:"";display:block;width:64px;height:4px;border-radius:3px;
  background:#F59E0B;margin-top:24px;
}
.article-lead{
  margin-top:14px;color:rgba(240,253,250,.86);
  font-size:16px;line-height:1.9;max-width:760px;
}
.article-hero-meta{
  display:flex;gap:24px;flex-wrap:wrap;align-items:center;
  font-size:13.5px;color:rgba(224,242,239,.76);
  margin-top:28px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.16);
}
.article-hero-meta span{display:inline-flex;align-items:center;gap:7px}
.article-hero-meta i{color:#FCD34D;font-size:14px}
.hero-meta-author{display:flex;align-items:center;gap:9px}
.avatar-mini{
  width:30px;height:30px;border-radius:50%;
  background:linear-gradient(145deg,#F8C95C,#D98C17);
  display:grid;place-items:center;
  font-size:12px;font-weight:800;color:#171B1A;
}

/* ---------- article body ---------- */
.article-read{margin-top:-52px;position:relative;z-index:5;padding-bottom:50px}
.article-sheet{
  background:var(--bg-card);
  border-radius:calc(var(--radius-card) + 4px);
  box-shadow:var(--shadow-lg);
  border:1px solid #E7EFED;
  padding:10px;
}
.sheet-rail{
  background:#FBFDFC;
  border-radius:calc(var(--radius-card) + 2px);
  border:1px solid #EDF3F1;
  max-width:860px;margin:0 auto;
  padding:48px 56px;
}
.article-body{
  color:#2A3A48;font-size:16px;line-height:1.9;
}
.article-body p{margin-bottom:24px}
.article-body h2{
  font-size:22px;font-weight:800;color:var(--text-title);
  margin:34px 0 16px;padding-left:15px;position:relative;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:5px;
  background:linear-gradient(180deg,#0F766E,#14919A);
  border-radius:4px;
}
.article-body h3{
  font-size:18px;font-weight:800;color:var(--text-title);
  margin:28px 0 12px;padding-bottom:10px;
  border-bottom:1px solid #EDF2F0;
}
.article-body h4{font-size:16px;font-weight:700;color:#1A423C;margin:20px 0 8px}
.article-body strong{color:#16302C}
.article-body ul,.article-body ol{margin:0 0 24px;padding-left:22px;display:grid;gap:8px}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body ul li::marker{color:var(--primary)}
.article-body ol li::marker{color:var(--primary);font-weight:700}
.article-body blockquote{
  margin:30px 0;padding:22px 26px;
  background:linear-gradient(135deg,var(--primary-tint),rgba(240,248,246,.5));
  border-left:4px solid var(--primary);
  border-radius:0 14px 14px 0;
  color:#25433D;font-size:16px;
}
.article-body blockquote p{margin-bottom:8px}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:13px;margin:28px 0;box-shadow:var(--shadow-md)}
.article-body a{color:var(--primary);font-weight:600;box-shadow:inset 0 -1px 0 rgba(15,118,110,.4)}
.article-body a:hover{box-shadow:inset 0 -15px 0 rgba(15,118,110,.10)}
.article-body figure{margin:28px 0}
.article-body figcaption{text-align:center;font-size:12.5px;color:var(--text-muted);margin-top:10px}

.article-not-found{
  text-align:center;padding:72px 24px;
  background:#FBFDFC;border-radius:calc(var(--radius-card) + 4px);
  box-shadow:var(--shadow-lg);border:1px solid #DFEAE7;
  max-width:760px;margin:48px auto 20px;
}
.not-found-alt{width:80px;height:80px;background:var(--primary-tint);color:var(--primary);border-radius:28px;display:grid;place-items:center;font-size:38px;margin:0 auto 22px}
.article-not-found h2{font-size:25px;color:var(--text-title);margin-bottom:8px}
.article-not-found p{color:var(--text-muted);margin-bottom:26px}

/* ---------- divider tag share -------- */
.article-divider{border:0;height:1px;background:linear-gradient(90deg,transparent,#D7E4E0,transparent);margin:38px 0}
.tag-share-bar{
  display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:20px;
}
.tag-list{display:flex;gap:9px;flex-wrap:wrap}
.post-tag{
  display:inline-flex;align-items:center;gap:6px;
  background:#F2F7F5;border:1px solid #DBE9E5;
  font-size:12.5px;font-weight:600;color:#3D5A55;
  padding:6px 14px;border-radius:var(--radius-badge);
  transition:var(--transition);
}
.post-tag i{color:var(--primary);font-size:12px}
.post-tag:hover{background:var(--primary-tint);color:var(--primary-dark);border-color:rgba(15,118,110,.25)}
.share-group{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.share-label{font-size:13px;color:var(--text-muted);font-weight:600;margin-right:2px}
.social-btn{
  width:36px;height:36px;border-radius:50%;
  background:#F0F5F3;color:#34554E;border:1px solid #DCE9E5;
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;
  transition:var(--transition);
}
.social-btn:hover{background:var(--primary);color:#fff;border-color:var(--primary);transform:translateY(-2px)}

/* ---------- prev next / cta ---------- */
.article-post-nav{
  display:grid;grid-template-columns:1fr auto 1fr;gap:18px;
  align-items:stretch;margin-top:44px;
}
.post-nav-card{
  display:flex;align-items:center;gap:14px;
  background:#F4F9F7;border:1px solid #DCEAE6;
  padding:14px 16px;border-radius:14px;
  transition:var(--transition);min-height:84px;
}
.post-nav-card:hover{background:#FFFFFF;box-shadow:var(--shadow-md);transform:translateY(-2px);border-color:#B9D2CB}
.post-nav-card .pnav-icon{
  width:40px;height:40px;border-radius:50%;background:#fff;color:var(--primary);
  display:grid;place-items:center;font-size:17px;border:1px solid #DFEAE6;flex-shrink:0;
}
.post-nav-body{min-width:0}
.post-nav-body small{display:block;font-size:11.5px;color:var(--text-muted);font-weight:700;letter-spacing:.5px;margin-bottom:4px}
.post-nav-body strong{font-size:14px;color:var(--text-title);display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.post-nav-card.next-card{flex-direction:row-reverse;text-align:right}
.post-nav-card.next-card .pnav-icon{margin-right:0;margin-left:14px}
.center-back{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:130px;padding:0 16px;border-radius:12px;
  background:#fff;border:1px solid #D5E3DE;color:var(--primary);
  font-size:13.5px;font-weight:700;transition:var(--transition);
}
.center-back:hover{background:var(--primary);color:#fff;border-color:var(--primary);box-shadow:var(--shadow-md)}

/* ---------- related ---------- */
.related-area{
  background:#FFFFFF;
  border-top:1px solid #E5ECE9;
  border-bottom:1px solid #E5ECE9;
  padding:70px 0;
  margin-top:55px;
}
.article-related-wrap{max-width:860px;margin:0 auto}
.section-head{display:flex;align-items:flex-end;gap:18px;justify-content:space-between;margin-bottom:34px;flex-wrap:wrap}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--primary);font-weight:800;font-size:12px;letter-spacing:1.6px;
  text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);border-radius:2px}
.section-head h2{font-size:26px;font-weight:800;color:var(--text-title);margin-top:6px;line-height:1.35}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.read-card{
  background:#fff;border:1px solid #E2ECEA;border-radius:14px;
  overflow:hidden;transition:var(--transition);
}
.read-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-5px);border-color:#C6DCD5}
.read-card .cover{aspect-ratio:3/2;overflow:hidden}
.related-grid img{width:100%;height:100%;object-fit:cover;transition:transform .7s ease}
.read-card:hover .cover img{transform:scale(1.06)}
.read-info{padding:18px 18px 20px}
.read-info .card-tag{
  display:inline-flex;font-size:11.5px;font-weight:700;
  background:var(--accent-tint);color:#966209;border-radius:50px;padding:4px 10px;
  margin-bottom:11px;letter-spacing:.3px;
}
.read-info h3{font-size:16px;font-weight:800;color:var(--text-title);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.read-info h3 a{transition:color .25s}
.read-info h3 a:hover{color:var(--primary)}
.read-info p{font-size:13px;color:var(--text-muted);line-height:1.7;margin:9px 0 0;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.read-info time{display:block;font-size:12px;color:#99AAAF;margin-top:11px;font-weight:600}

/* ---------- final cta band ---------- */
.cta-band{
  background:
    radial-gradient(circle at 18% 30%,rgba(56,189,178,.26),transparent 20%),
    radial-gradient(circle at 78% 20%,rgba(245,158,11,.22),transparent 14%),
    linear-gradient(120deg,#0B4D49,#0F766E 55%,#115E59);
  padding:70px 0;color:#fff;margin-top:0;
}
.cta-inner{text-align:center;position:relative;z-index:2;max-width:730px;margin-inline:auto}
.cta-tag{
  display:flex;align-items:center;gap:8px;justify-content:center;
  font-size:12px;font-weight:700;letter-spacing:1.2px;
  color:#E4FCF7;margin-bottom:16px;
}
.cta-tag::after,.cta-tag::before{content:"";width:16px;height:1.5px;background:rgba(255,255,255,.4)}
.cta-band h2{font-size:clamp(24px,3vw,32px);font-weight:800;line-height:1.45;letter-spacing:.5px}
.cta-band h2 span{color:#FCD34D}
.cta-band p{color:rgba(237,250,246,.8);margin-top:12px;font-size:15px;line-height:1.8}
.cta-band .btn-row{display:flex;flex-direction:column;gap:14px;justify-content:center;margin-top:30px;align-items:center}
@media(min-width:520px){.cta-band .btn-row{flex-direction:row}}

/* ---------- footer ---------- */
.site-footer{background:#0C1A22;color:#B7C3C8;font-size:14px;border-top:4px solid rgba(15,118,110,.5)}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:44px;padding:64px 0 42px}
.footer-brand{max-width:320px}
.footer-logo{display:flex;align-items:center;color:#fff;font-size:17px;font-weight:800;gap:10px;margin-bottom:18px}
.foot-logo-mark{
  width:40px;height:40px;border-radius:10px;
  background:linear-gradient(135deg,#0F766E,#22A89C);
  display:grid;place-items:center;color:#fff;font-size:18px;
  box-shadow:0 8px 18px rgba(15,118,110,.3);
}
.footer-brand p{color:#80939B;line-height:1.8;font-size:13.5px;margin-bottom:20px}
.footer-social{display:flex;gap:10px}
.footer-social .social-btn{background:rgba(255,255,255,.04);color:#A1B7BF;border-color:rgba(255,255,255,.08)}
.footer-social .social-btn:hover{background:var(--primary);color:#fff}
.footer-col-title{color:#fff;font-size:15px;font-weight:800;margin-bottom:22px;padding-bottom:10px;position:relative}
.footer-col-title::after{content:"";display:block;width:26px;height:2px;background:var(--accent);margin-top:10px}
.footer-col ul{display:grid;gap:11px}
.footer-col a{color:#85A0AA;font-size:13.5px;transition:color .22s,sans-serif;font-weight:500}
.footer-col a:hover{color:#5ECEBF;padding-left:4px}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;color:#91A8B1;font-size:13.5px;line-height:1.65}
.footer-contact i{color:#3BBDA9;margin-top:4px}
.footer-hr{border:none;border-top:1px solid rgba(255,255,255,.08);margin:0}
.footer-bottom{
  padding:22px 0;display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:#66808A;
}
.footer-bottom span{display:inline-flex;align-items:center;gap:6px}
.footer-bottom a{color:#7C9AA4}
.footer-bottom a:hover{color:#54C6B4}

/* ---------- responsive ---------- */
@media(max-width:1024px){
  .footer-top{grid-template-columns:1fr 1fr;gap:36px}
  .header-inner{flex-wrap:wrap;gap:14px;height:auto;padding:12px 0}
  .main-nav{order:3;width:100%;justify-content:flex-start;overflow-x:auto;flex:0 0 auto}
  .header-actions{gap:9px}
  .search-box{width:160px}
}
@media(max-width:767px){
  .header-inner{flex-wrap:nowrap;padding:10px 0}
  .logo{flex:0 1 auto}
  .logo>span:last-child{font-size:15.5px}
  .main-nav{
    position:fixed;top:var(--header-h);left:0;right:0;bottom:auto;margin-left:0;
    flex-direction:column;background:#fff;border-bottom:1px solid #EDEFEF;
    box-shadow:var(--shadow-md);padding:12px 4%;gap:6px;z-index:99;
    transform:translateY(-12px);opacity:0;pointer-events:none;
    transition:.24s ease;
  }
  .main-nav.open{transform:translateY(0);opacity:1;pointer-events:auto}
  .nav-link{display:flex;justify-content:flex-start;width:100%;border-radius:10px;padding:1px 14px}
  .search-box{display:none}
  .header-cta.outline-hide{display:none}
  .nav-burger{display:inline-flex}
  .header-cta{margin-right:4px}
  .article-hero{padding:48px 0 86px}
  .article-hero h1{font-size:27px}
  .sheet-rail{padding:28px 18px}
  .article-read{margin-top:-24px}
  .article-body{font-size:15.5px}
  .article-body blockquote{padding:18px 18px}
  .article-hero-meta{gap:12px 20px}
  .article-post-nav{grid-template-columns:1fr;gap:12px}
  .center-back{width:100%;min-height:48px}
  .related-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
  .footer-bottom{justify-content:center;text-align:center}
  .post-nav-card.next-card{margin-top:0}
}
@media(max-width:520px){
  .header-inner{gap:8px}
  .header-cta{font-size:12px;padding:0 10px}
  .logo-mark{width:38px;height:38px}
  .tag-share-bar{flex-direction:column;align-items:flex-start}
  .cta-band{padding:52px 0}
  .btn-row .btn{width:100%}
}

/* roulang page: category2 */
:root {
            --primary: #0F766E;
            --primary-dark: #115E59;
            --primary-soft: #E6FFFA;
            --accent: #F59E0B;
            --accent-soft: #FFFBEB;
            --bg-page: #F8FAF9;
            --bg-card: #FFFFFF;
            --text-title: #0F172A;
            --text-body: #334155;
            --text-muted: #64748B;
            --border: #E6EDEB;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-lg: 18px;
            --shadow-sm: 0 1px 2px rgba(15, 23, 42, .05), 0 1px 3px rgba(15, 23, 42, .06);
            --shadow-md: 0 4px 12px rgba(15, 23, 42, .08);
            --shadow-lg: 0 12px 28px rgba(15, 23, 42, .12);
            --font: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }
        *,
        *:before,
        *:after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-body);
            background: var(--bg-page);
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .2s ease;
        }
        a:hover {
            color: var(--primary-dark);
        }
        ul,
        ol {
            list-style: none;
        }
        button {
            font-family: inherit;
            border: 0;
            cursor: pointer;
            background: none;
            font-size: inherit;
        }
        input {
            font-family: inherit;
            font-size: inherit;
            border: 0;
            outline: 0;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        :focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 4px;
        }

        .section-pad {
            padding: 80px 0;
        }
        .section-head {
            max-width: 720px;
            margin-bottom: 48px;
        }
        .section-head .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary-soft);
            color: var(--primary);
            font-size: 13px;
            font-weight: 700;
            letter-spacing: .04em;
            padding: 6px 14px;
            border-radius: 999px;
            margin-bottom: 14px;
        }
        .section-head .eyebrow i {
            font-size: 14px;
        }
        .section-head h2 {
            font-size: 30px;
            line-height: 1.3;
            color: var(--text-title);
            font-weight: 800;
            letter-spacing: -.01em;
        }
        .section-head p {
            margin-top: 12px;
            color: var(--text-muted);
            font-size: 16px;
        }
        .section-head.left {
            margin-left: 0;
        }
        .section-head.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }
        .section-head .more-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-weight: 600;
            font-size: 14px;
            margin-top: 14px;
        }
        .section-head .more-link i {
            transition: transform .2s ease;
        }
        .section-head .more-link:hover i {
            transform: translateX(4px);
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            min-height: 40px;
            padding: 0 22px;
            border-radius: var(--radius-btn);
            transition: all .2s ease;
            line-height: 1;
            white-space: nowrap;
        }
        .btn i {
            font-size: 15px;
            line-height: 1;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            border: 1px solid var(--primary);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            box-shadow: 0 8px 16px rgba(15, 118, 110, .22);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: none;
        }
        .btn-outline-dark {
            background: #fff;
            color: var(--text-title);
            border: 1px solid #CBD5E1;
        }
        .btn-outline-dark:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-soft);
            transform: translateY(-1px);
        }
        .btn-light {
            background: #fff;
            color: var(--primary-dark);
            border: 1px solid rgba(255, 255, 255, .35);
            box-shadow: var(--shadow-sm);
        }
        .btn-light:hover {
            background: #F1F5F4;
            color: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, .8);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, .12);
            color: #fff;
            border-color: #fff;
        }
        .btn-lg {
            min-height: 48px;
            padding: 0 30px;
            font-size: 16px;
        }
        .btn-sm {
            min-height: 32px;
            padding: 0 14px;
            font-size: 13px;
        }
        @media(max-width:767px) {
            .btn-lg {
                width: 100%;
            }
        }

        .badge-chip {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            background: var(--accent-soft);
            color: #B45309;
        }
        .badge-chip.teal {
            background: var(--primary-soft);
            color: var(--primary-dark);
        }
        .badge-chip.white {
            background: rgba(255, 255, 255, .2);
            color: #fff;
        }

        /* ---------- Header ---------- */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 80;
            background: rgba(255, 255, 255, .96);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 1px 8px rgba(15, 23, 42, .04);
        }
        .header-inner {
            display: flex;
            align-items: center;
            gap: 28px;
            height: 72px;
            position: relative;
        }
        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 19px;
            font-weight: 800;
            color: var(--text-title);
            letter-spacing: -.01em;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo:hover {
            color: var(--text-title);
        }
        .logo-mark,
        .foot-logo-mark {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, #0F766E, #115E59);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            box-shadow: var(--shadow-sm);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav-link {
            position: relative;
            padding: 10px 15px;
            font-weight: 500;
            color: var(--text-body);
            font-size: 15px;
            border-radius: 8px;
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--primary);
            background: var(--primary-soft);
        }
        .nav-link.active {
            color: var(--primary);
            font-weight: 700;
        }
        .nav-link.active:after {
            content: "";
            position: absolute;
            left: 15px;
            right: 15px;
            bottom: 2px;
            height: 2px;
            border-radius: 2px;
            background: var(--primary);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-left: auto;
            flex-shrink: 0;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: #F1F5F4;
            border-radius: 8px;
            padding: 0 12px;
            height: 38px;
            width: 185px;
            border: 1.5px solid transparent;
            transition: border-color .2s, box-shadow .2s, background .2s;
        }
        .search-box i {
            color: var(--text-muted);
            margin-right: 8px;
            font-size: 14px;
        }
        .search-box input {
            flex: 1;
            background: transparent;
            color: var(--text-body);
            font-size: 13px;
        }
        .search-box input::placeholder {
            color: #94A3B8;
        }
        .search-box:focus-within {
            border-color: var(--primary);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(15, 118, 110, .12);
        }
        .header-cta.btn {
            min-height: 36px;
            font-size: 14px;
            padding: 0 16px;
        }
        .nav-burger {
            display: none;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 8px;
            font-size: 22px;
            color: var(--text-title);
            border: 1px solid var(--border);
            flex-shrink: 0;
        }
        @media(max-width:1080px) {
            .search-box {
                width: 140px;
            }
        }
        @media(max-width:920px) {
            .search-box {
                display: none;
            }
            .main-nav {
                gap: 2px;
            }
        }
        @media(max-width:767px) {
            .header-inner {
                height: 64px;
                gap: 16px;
            }
            .header-inner .header-cta {
                display: none;
            }
            .nav-burger {
                display: inline-flex;
            }
            .main-nav {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                gap: 2px;
                padding: 12px 20px 20px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-lg);
                display: none;
                max-height: calc(100vh - 64px);
                overflow-y: auto;
            }
            .main-nav.open {
                display: flex;
            }
            .nav-link {
                padding: 13px 14px;
                font-size: 16px;
                border-radius: 10px;
            }
            .nav-link:after {
                left: 14px;
                right: auto;
                width: 24px;
                bottom: 8px;
            }
            .logo {
                font-size: 17px;
            }
        }

        /* ---------- Footer ---------- */
        .site-footer {
            background: #0F172A;
            color: #CBD5E1;
            padding: 64px 0 0;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 48px;
        }
        .footer-brand p {
            margin-top: 18px;
            font-size: 14px;
            line-height: 1.8;
            color: #94A3B8;
            max-width: 340px;
        }
        .footer-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-size: 18px;
            font-weight: 800;
        }
        .footer-logo:hover {
            color: #fff;
        }
        .footer-social {
            display: flex;
            gap: 8px;
            margin-top: 24px;
        }
        .social-btn {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: rgba(255, 255, 255, .08);
            color: #E2E8F0;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            border: 1px solid rgba(255, 255, 255, .08);
            transition: all .2s;
        }
        .social-btn:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
        }
        .footer-col-title {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 18px;
            letter-spacing: .02em;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: #94A3B8;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul li a:hover {
            color: var(--primary);
            color: #7DD3C6;
        }
        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            margin-bottom: 12px;
            color: #94A3B8;
            font-size: 13px;
        }
        .footer-contact li i {
            margin-top: 4px;
            color: #B8C2CF;
        }
        .footer-hr {
            border: 0;
            border-top: 1px solid rgba(255, 255, 255, .12);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 20px 0;
            font-size: 14px;
            color: #8494A6;
        }
        .footer-bottom a {
            color: #A6B4C2;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-bottom a:hover {
            color: #7DD3C6;
        }
        @media(max-width:992px) {
            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }
        }
        @media(max-width:600px) {
            .footer-top {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                justify-content: center;
                text-align: center;
            }
        }

        /* ---------- Category Hero ---------- */
        .category-hero {
            background-image: linear-gradient(120deg, rgba(9, 92, 92, .98) 0%, rgba(15, 118, 110, .94) 48%, rgba(17, 94, 89, .88) 100%), url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            color: #fff;
            padding: 72px 0 84px;
            position: relative;
            overflow: hidden;
        }
        .category-hero:after {
            content: '';
            position: absolute;
            right: -90px;
            top: -80px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            border: 40px solid rgba(255, 255, 255, .06);
            pointer-events: none;
        }
        .category-hero:before {
            content: '';
            position: absolute;
            left: -140px;
            bottom: -160px;
            width: 360px;
            height: 360px;
            border-radius: 50%;
            border: 70px solid rgba(255, 255, 255, .04);
            pointer-events: none;
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1.15fr .85fr;
            gap: 64px;
            align-items: center;
        }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, .76);
            margin-bottom: 24px;
        }
        .breadcrumb-nav a {
            color: rgba(255, 255, 255, .8);
        }
        .breadcrumb-nav a:hover {
            color: #fff;
        }
        .breadcrumb-nav i {
            font-size: 11px;
            opacity: .7;
        }
        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .12);
            color: #FBE3B8;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 999px;
            margin-bottom: 20px;
            backdrop-filter: blur(4px);
        }
        .category-hero h1 {
            font-size: 42px;
            letter-spacing: -.02em;
            color: #fff;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 20px;
        }
        .hero-desc {
            max-width: 600px;
            color: rgba(255, 255, 255, .88);
            font-size: 17px;
            line-height: 1.8;
            margin-bottom: 30px;
        }
        .hero-btn-group {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 14px;
        }
        .hero-note {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            margin-top: 24px;
            color: rgba(255, 255, 255, .72);
        }
        .hero-note i {
            color: #FBBF24;
        }
        .hero-insight-card {
            background: rgba(255, 255, 255, .14);
            border: 1px solid rgba(255, 255, 255, .18);
            border-radius: 18px;
            padding: 30px 28px;
            backdrop-filter: blur(6px);
            box-shadow: 0 16px 36px rgba(2, 28, 30, .18);
        }
        .hero-insight-head {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 18px;
        }
        .hero-insight-head i {
            width: 30px;
            height: 30px;
            background: #F59E0B;
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #0F172A;
            font-size: 15px;
        }
        .hero-insight-card ul {
            display: grid;
            gap: 14px;
        }
        .hero-insight-card ul li {
            display: flex;
            gap: 10px;
            color: rgba(255, 255, 255, .9);
            font-size: 14px;
            line-height: 1.6;
        }
        .hero-insight-card ul li i {
            color: #7DD3C6;
            margin-top: 3px;
        }
        .hero-stat-row {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            margin-top: 28px;
            padding-top: 22px;
            border-top: 1px solid rgba(255, 255, 255, .16);
        }
        .hero-stat-item {
            flex: 1;
            min-width: 90px;
            text-align: center;
            padding: 6px 8px;
            background: rgba(255, 255, 255, .08);
            border-radius: 10px;
        }
        .hero-stat-item strong {
            display: block;
            font-size: 18px;
            color: #fff;
            font-weight: 800;
        }
        .hero-stat-item span {
            font-size: 12px;
            color: rgba(255, 255, 255, .7);
        }
        @media(max-width:992px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 44px;
            }
            .category-hero {
                padding: 50px 0 60px;
            }
        }
        @media(max-width:600px) {
            .category-hero h1 {
                font-size: 30px;
            }
            .hero-desc {
                font-size: 16px;
            }
        }

        /* Feature cards */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 10px;
        }
        .feature-card {
            background: var(--bg-card);
            border: 1px solid #E6EDEB;
            border-radius: var(--radius-card);
            padding: 30px 24px;
            transition: transform .25s, box-shadow .25s, border-color .25s;
            position: relative;
            overflow: hidden;
        }
        .feature-card:before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), #5EEAD4);
            transform: scaleX(.45);
            transform-origin: left;
            opacity: 0;
            transition: transform .3s, opacity .3s;
        }
        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(15, 118, 110, .18);
        }
        .feature-card:hover:before {
            opacity: 1;
            transform: scaleX(1);
        }
        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--primary-soft);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 21px;
            margin-bottom: 18px;
        }
        .feature-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 10px;
            letter-spacing: -.01em;
        }
        .feature-card p {
            font-size: 14px;
            line-height: 1.75;
            color: var(--muted);
        }
        @media(max-width:992px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media(max-width:540px) {
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .section-pad {
                padding: 48px 0;
            }
        }

        /* Scene section with deep green bg */
        .scene-section {
            background: linear-gradient(145deg, #E6FFFA 0%, #EAF6F3 45%, #F2FBF9 100%);
            padding: 80px 0;
        }
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .scene-item {
            display: flex;
            gap: 22px;
            background: #fff;
            border-radius: 14px;
            border: 1px solid #DAEAE6;
            padding: 28px 24px;
            transition: box-shadow .25s, transform .25s;
        }
        .scene-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .scene-icon-wrap {
            width: 54px;
            height: 54px;
            border-radius: 14px;
            flex-shrink: 0;
            background: linear-gradient(135deg, #E6FFFA, #CFF5EF);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 23px;
        }
        .scene-item h3 {
            font-size: 17px;
            color: var(--text-title);
            font-weight: 700;
            margin-bottom: 8px;
        }
        .scene-item p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
        }
        .scene-time-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary-dark);
            background: var(--primary-soft);
            padding: 2px 10px;
            border-radius: 999px;
            margin-bottom: 8px;
        }
        @media(max-width:900px) {
            .scene-grid {
                grid-template-columns: 1fr;
            }
            .scene-section {
                padding: 48px 0;
            }
        }
        @media(max-width:600px) {
            .scene-item {
                flex-direction: column;
                gap: 14px;
                padding: 24px 20px;
            }
        }

        .timeline-section {
            background: var(--bg-page);
            position: relative;
        }
        .process-steps {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            counter-reset: step;
            margin-top: 20px;
        }
        .step-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 34px 28px;
            position: relative;
            transition: all .25s;
        }
        .step-item:hover {
            box-shadow: var(--shadow-md);
            border-color: #CBE8DF;
            transform: translateY(-3px);
        }
        .step-num {
            width: 42px;
            height: 42px;
            font-size: 15px;
            font-weight: 800;
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
        }
        .step-item h3 {
            font-size: 17px;
            color: var(--text-title);
            margin-bottom: 8px;
            font-weight: 700;
        }
        .step-item p {
            color: var(--muted);
            font-size: 14px;
        }
        .step-line {
            position: absolute;
            top: 56px;
            right: -26px;
            width: 24px;
            height: 1px;
            background: #D8E5E1;
        }
        .step-line:before {
            content: '';
            position: absolute;
            right: 0;
            top: -2px;
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: var(--primary);
        }
        .process-steps .step-item:last-child .step-line {
            display: none;
        }
        @media(max-width:800px) {
            .process-steps {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .step-line {
                display: none;
            }
        }

        /* Featured / selected topic */
        .guide-feed {
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .feed-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            margin-bottom: 40px;
        }
        .feed-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .feed-card {
            background: #fff;
            border: 1px solid #E6EDEB;
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: transform .25s, box-shadow .25s, border-color .25s;
            display: flex;
            flex-direction: column;
            min-height: 100%;
        }
        .feed-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: #D4E7E2;
        }
        .feed-cover {
            position: relative;
            aspect-ratio: 16/10;
            background: #F1F5F4;
            overflow: hidden;
        }
        .feed-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .feed-card:hover .feed-cover img {
            transform: scale(1.04);
        }
        .feed-cover .badge-chip {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(255, 255, 255, .94);
            border: 1px solid rgba(15, 118, 110, .1);
            backdrop-filter: blur(4px);
        }
        .feed-body {
            padding: 20px 20px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .feed-body h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-title);
            line-height: 1.5;
            margin-bottom: 10px;
        }
        .feed-body h3 a {
            color: var(--text-title);
        }
        .feed-body h3 a:hover {
            color: var(--primary);
        }
        .feed-body p {
            color: var(--muted);
            font-size: 14px;
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 16px;
        }
        .feed-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            color: #94A3B8;
            font-size: 13px;
            margin-top: auto;
        }
        .feed-meta .divider {
            width: 1px;
            height: 14px;
            background: #E2E8F0;
        }
        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-weight: 600;
            font-size: 14px;
        }
        .text-link i {
            transition: transform .2s;
        }
        .text-link:hover i {
            transform: translateX(4px);
        }
        @media(max-width:900px) {
            .feed-cards {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media(max-width:600px) {
            .feed-cards {
                grid-template-columns: 1fr;
            }
            .feed-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
        }

        /* FAQ */
        .faq-wrap {
            display: grid;
            grid-template-columns: .85fr 1.15fr;
            gap: 60px;
            align-items: start;
        }
        .faq-side .section-head {
            margin-bottom: 24px;
        }
        .faq-side .faq-help-link {
            color: var(--muted);
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 12px;
            display: flex;
            gap: 14px;
            padding: 18px 20px;
            margin-top: 14px;
            font-size: 14px;
        }
        .faq-side .faq-help-link i {
            color: var(--primary);
            font-size: 18px;
        }
        .faq-side .faq-help-link a {
            color: var(--primary);
            font-weight: 600;
            display: inline-block;
            margin-left: 4px;
        }
        .faq-list {
            display: grid;
            gap: 14px;
            width: 100%;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 12px;
            overflow: hidden;
            transition: border-color .2s, box-shadow .2s;
        }
        .faq-item.open {
            border-color: rgba(15, 118, 110, .25);
            box-shadow: var(--shadow-sm);
        }
        .faq-q-btn {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 20px 22px;
            text-align: left;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-title);
            line-height: 1.5;
        }
        .faq-q-btn .faq-toggle-icon {
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: var(--primary-soft);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            flex-shrink: 0;
            transition: transform .25s, background .2s, color .2s;
        }
        .faq-item.open .faq-toggle-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-a-copy {
            max-height: 0;
            overflow: hidden;
            transition: max-height .25s ease;
            border-top: 1px solid transparent;
        }
        .faq-item.open .faq-a-copy {
            border-color: var(--border);
        }
        .faq-a-copy-inner {
            padding: 4px 22px 20px;
            color: var(--muted);
            font-size: 14px;
            line-height: 1.8;
        }
        @media(max-width:900px) {
            .faq-wrap {
                grid-template-columns: 1fr;
                gap: 36px;
            }
        }

        /* CTA banner */
        .cta-section {
            background: linear-gradient(120deg, #0B4F4A, #115E59 60%, #0F766E);
            padding: 64px 0;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section:before,
        .cta-section:after {
            content: '';
            position: absolute;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            border: 46px solid rgba(255, 255, 255, .05);
        }
        .cta-section:before {
            left: -90px;
            bottom: -120px;
        }
        .cta-section:after {
            right: -70px;
            top: -130px;
        }
        .cta-inner {
            position: relative;
            z-index: 2;
        }
        .cta-inner h2 {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 14px;
        }
        .cta-inner p {
            color: rgba(255, 255, 255, .82);
            font-size: 16px;
            margin-bottom: 28px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        @media(max-width:600px) {
            .cta-buttons {
                flex-direction: column;
                align-items: stretch;
            }
        }