/* roulang page: index */
:root{
  --teal-900:#0a322d;
  --teal-800:#0f3e38;
  --teal-700:#145048;
  --teal-600:#1a5f55;
  --teal-100:#dcece7;
  --teal-50:#eef6f3;
  --gold-600:#a87d3a;
  --gold-500:#c69b56;
  --gold-400:#e0c188;
  --gold-100:#f5e8d3;
  --bg-page:#f5f1e8;
  --bg-card:#fffcf6;
  --bg-grey:#eae4d7;
  --ink-900:#20302c;
  --text-body:#50615b;
  --text-light:#7f918b;
  --line:#e2dbcb;
  --radius-xl:30px;
  --radius-lg:22px;
  --radius-md:14px;
  --shadow-soft:0 14px 34px -18px rgba(26,74,64,.25);
  --shadow-float:0 18px 40px -18px rgba(12,58,50,.35);
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",system-ui,-apple-system,sans-serif;
  --font-num:"DIN Alternate","Bahnschrift","Roboto Condensed",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-sans);
  background-color:var(--bg-page);
  color:var(--text-body);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
:focus-visible{
  outline:2px dashed var(--gold-500);
  outline-offset:4px;
  border-radius:6px;
}
.container{width:min(1200px,92%);margin-left:auto;margin-right:auto}
::selection{background:var(--gold-100);color:var(--teal-900)}

/* ---------- 顶部悬浮导航 ---------- */
.site-header{
  position:fixed;
  top:16px;
  left:0;right:0;
  z-index:100;
  width:min(1200px,94%);
  margin:0 auto;
  background:rgba(255,252,246,.82);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border:1px solid rgba(255,255,255,.7);
  border-radius:999px;
  padding:9px 18px 9px 22px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  box-shadow:0 10px 30px -22px rgba(6,40,34,.5);
  transition:box-shadow .35s ease, background .35s ease;
}
.site-header.scrolled{
  background:rgba(255,252,246,.96);
  box-shadow:0 18px 38px -24px rgba(6,40,34,.40), 0 0 0 1px rgba(224,193,136,.25);
}
.site-logo{
  display:flex;
  align-items:center;
  gap:10px;
  white-space:nowrap;
  flex-shrink:0;
}
.logo-mark{
  width:38px;height:38px;
  background:var(--teal-800);
  color:var(--gold-400);
  border-radius:12px;
  display:grid;
  place-items:center;
  font-size:20px;
  font-weight:800;
  letter-spacing:0;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.15);
}
.logo-text{
  font-size:17px;
  font-weight:700;
  color:var(--teal-900);
  letter-spacing:.3px;
}
.logo-text small{
  display:block;
  font-size:10.5px;
  font-weight:500;
  color:var(--text-light);
  letter-spacing:.8px;
  line-height:1.2;
  margin-top:1px;
}
.site-nav{
  display:flex;
  align-items:center;
  gap:4px;
  transition:all .3s ease;
}
.nav-link{
  padding:8px 16px;
  border-radius:999px;
  font-size:14.5px;
  font-weight:500;
  color:var(--ink-900);
  transition:background .25s, color .25s;
  position:relative;
  white-space:nowrap;
}
.nav-link:hover{
  background:var(--teal-50);
  color:var(--teal-700);
}
.nav-link.active{
  background:var(--teal-800);
  color:#ffffff;
  font-weight:600;
  box-shadow:0 4px 14px -6px rgba(15,62,56,.42);
}
.nav-link.active::after{
  content:"";
  width:5px;height:5px;
  background:var(--gold-400);
  border-radius:50%;
  position:absolute;
  bottom:3px;
  left:50%;
  transform:translateX(-50%);
}
.header-cta{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.nav-burger{
  display:none;
  width:44px;height:44px;
  border-radius:50%;
  background:var(--teal-800);
  border:none;
  cursor:pointer;
  align-items:center;
  justify-content:center;
  gap:5px;
  flex-direction:column;
}
.nav-burger span{
  width:18px;height:2px;
  background:white;
  border-radius:3px;
  transition:transform .3s, opacity .3s;
}
.nav-burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-burger.open span:nth-child(2){opacity:0}
.nav-burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 按钮体系 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  letter-spacing:.3px;
  border:1px solid transparent;
  cursor:pointer;
  transition:all .25s ease;
  white-space:nowrap;
}
.btn-accent{
  background:linear-gradient(135deg,var(--gold-400),var(--gold-500));
  color:#3a2408;
  border-color:rgba(255,255,255,.35);
  box-shadow:0 8px 20px -12px rgba(192,147,76,.7);
}
.btn-accent:hover{
  filter:brightness(1.03);
  transform:translateY(-2px);
  box-shadow:0 14px 26px -12px rgba(180,135,60,.7);
}
.btn-accent:active{transform:translateY(0);filter:brightness(.96)}
.btn-primary{
  background:var(--teal-700);
  color:#fff;
  border-color:rgba(255,255,255,.16);
}
.btn-primary:hover{
  background:var(--teal-600);
  transform:translateY(-2px);
}
.btn-ghost{
  background:rgba(255,255,255,.1);
  color:#fff;
  border-color:rgba(255,255,255,.45);
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
}
.btn-ghost:hover{
  background:rgba(255,255,255,.2);
  border-color:rgba(255,255,255,.8);
}
.btn-light{
  background:#fff;
  color:var(--teal-800);
  border-color:#fff;
}
.btn-light:hover{
  background:var(--gold-100);
  transform:translateY(-2px);
}
.btn-sm{
  padding:8px 20px;
  font-size:14px;
}
.btn-block{
  width:100%;
}

/* ---------- 板块通用 ---------- */
.section{
  padding:90px 0;
}
.section-head{
  margin-bottom:44px;
  max-width:860px;
}
.section-head.center{
  margin-left:auto;
  margin-right:auto;
  text-align:center;
}
.sec-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:var(--gold-100);
  border:1px solid rgba(168,125,58,.25);
  color:var(--gold-600);
  font-size:12px;
  font-weight:500;
  letter-spacing:1.5px;
  padding:5px 14px;
  border-radius:999px;
  margin-bottom:16px;
  text-transform:uppercase;
}
.sec-tag::before{
  content:"◆";
  font-size:9px;
  color:var(--gold-500);
}
.sec-title{
  font-size:clamp(26px,3.2vw,36px);
  font-weight:800;
  color:var(--ink-900);
  line-height:1.3;
  letter-spacing:.2px;
}
.sec-lead{
  margin-top:12px;
  font-size:16px;
  color:var(--text-body);
  max-width:720px;
  line-height:1.8;
}
.section-head.center .sec-lead{margin-left:auto;margin-right:auto}

/* ---------- Hero 首屏 ---------- */
.hero{
  position:relative;
  padding:170px 0 120px;
  background:
    radial-gradient(circle at 85% 20%,rgba(224,193,136,.14),transparent 36%),
    linear-gradient(110deg,var(--teal-900),var(--teal-800));
  color:#fff;
  overflow:hidden;
}
.hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:22px 22px;
  pointer-events:none;
}
.hero-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:56px;
  align-items:center;
}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.25);
  color:var(--gold-100);
  font-size:12.5px;
  font-weight:500;
  letter-spacing:1.8px;
  padding:6px 16px;
  border-radius:999px;
  margin-bottom:20px;
}
.hero-badge .dot{
  width:6px;height:6px;
  background:var(--gold-400);
  border-radius:50%;
  box-shadow:0 0 0 3px rgba(224,193,136,.18);
}
.hero-title{
  font-size:clamp(31px,4.4vw,46px);
  font-weight:800;
  line-height:1.25;
  color:#fff;
  letter-spacing:.5px;
  margin-bottom:18px;
}
.hero-title .gradient-gold{
  background:linear-gradient(120deg,#e9ceae,#c69b56);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  background-color:transparent;
}
.hero-subtitle{
  font-size:clamp(15px,1.8vw,18px);
  line-height:1.8;
  color:rgba(255,255,255,.82);
  max-width:560px;
  margin-bottom:28px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-bottom:36px;
}
.hero-features{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.hero-features span{
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.15);
  padding:6px 14px;
  border-radius:999px;
  font-size:13px;
  color:rgba(255,255,255,.9);
}
.hero-features svg{
  width:15px;height:15px;
  stroke:var(--gold-400);
  flex-shrink:0;
}
.hero-visual{
  position:relative;
}
.hero-visual-card{
  background:#fffdf8;
  border-radius:var(--radius-xl);
  overflow:hidden;
  box-shadow:0 30px 60px -30px rgba(0,0,0,.55), 0 0 0 1px rgba(255,255,255,.1);
  transform:rotate(1deg);
  transition:transform .4s ease;
}
.hero-visual-card:hover{transform:rotate(0deg) translateY(-4px)}
.hero-visual-top{
  display:flex;
  align-items:center;
  gap:6px;
  padding:12px 16px;
  background:var(--bg-card);
  border-bottom:1px solid var(--line);
}
.hero-visual-top i{
  width:9px;height:9px;
  border-radius:50%;
  background:#ddd2c0;
}
.hero-visual-top i:first-child{background:#e0bba4}
.hero-visual-top i:nth-child(2){background:#ddd49c}
.hero-visual-top i:nth-child(3){background:#9ec4ae}
.hero-visual-top em{
  font-style:normal;
  font-size:12px;
  color:var(--text-light);
  margin-left:8px;
}
.hero-visual-card img{
  width:100%;
  height:290px;
  object-fit:cover;
}
.hero-visual-cap{
  padding:16px 20px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  font-size:13.5px;
  color:var(--teal-700);
  background:var(--bg-card);
  border-top:1px solid var(--line);
}
.hero-visual-cap strong{
  font-size:15px;
  color:var(--ink-900);
}
.hero-float-badge{
  position:absolute;
  right:-12px;
  bottom:34px;
  background:var(--gold-500);
  color:#3a2408;
  padding:12px 18px;
  border-radius:20px 6px 20px 20px;
  font-size:13.5px;
  font-weight:600;
  box-shadow:0 12px 24px -12px rgba(160,120,60,.6);
  display:flex;
  align-items:center;
  gap:6px;
  animation:floatY 3s ease-in-out infinite;
}
.hero-float-badge::before{
  content:"";
  width:8px;height:8px;
  background:#284e3a;
  border-radius:50%;
  border:2px solid #fff;
}
@keyframes floatY{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-7px)}
}

/* ---------- 指标看板 ---------- */
.metrics-section{
  padding:0 0 20px;
  position:relative;
  z-index:5;
}
.metrics-card{
  background:var(--bg-card);
  border:1px solid var(--line);
  border-radius:var(--radius-xl);
  box-shadow:var(--shadow-float);
  display:grid;
  grid-template-columns:repeat(4,1fr);
  padding:34px 20px;
  margin-top:-54px;
  gap:8px;
}
.metric-item{
  text-align:center;
  padding:8px 16px;
  position:relative;
  transition:transform .3s ease;
}
.metric-item:hover{transform:translateY(-4px)}
.metric-item + .metric-item::before{
  content:"";
  position:absolute;
  left:0;top:20%;
  height:60%;
  width:1px;
  background:var(--line);
}
.metric-num{
  font-family:var(--font-num);
  font-size:clamp(30px,3.4vw,46px);
  font-weight:800;
  letter-spacing:-1px;
  color:var(--teal-700);
  line-height:1.1;
}
.metric-label{
  font-size:14px;
  color:var(--text-light);
  margin-top:6px;
  font-weight:500;
}
.metric-num small{
  font-size:.55em;
  font-weight:600;
  color:var(--gold-600);
  margin-left:2px;
}

/* ---------- 服务矩阵 ---------- */
.svc-section{
  background:linear-gradient(180deg,var(--bg-page),var(--bg-grey));
  padding:80px 0 100px;
}
.svc-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  grid-auto-rows:minmax(0,1fr);
  gap:22px;
}
.svc-card{
  background:var(--bg-card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:28px 28px 24px;
  transition:transform .28s ease, box-shadow .28s ease;
  position:relative;
  overflow:hidden;
  display:flex;
  flex-direction:column;
}
.svc-card::before{
  content:"";
  position:absolute;
  left:0;right:0;top:0;
  height:3px;
  background:linear-gradient(90deg,var(--teal-600),var(--gold-500));
  opacity:.7;
}
.svc-card:hover{
  transform:translateY(-5px);
  box-shadow:var(--shadow-float);
}
.svc-main{
  grid-column:1/3;
  grid-row:1;
  display:flex;
  flex-direction:row;
  align-items:center;
  gap:28px;
  background:
    radial-gradient(circle at 90% 15%,rgba(224,193,136,.2),transparent 45%),
    var(--bg-card);
  padding:18px;
}
.svc-visual{
  flex:0 0 190px;
  border-radius:20px;
  overflow:hidden;
  border:1px solid var(--line);
  background:#f0ead9;
}
.svc-visual img{
  width:100%;
  height:180px;
  object-fit:cover;
}
.svc-body{flex:1}
.svc-icon{
  width:46px;height:46px;
  border-radius:14px;
  display:grid;
  place-items:center;
  background:var(--teal-50);
  color:var(--teal-700);
  font-size:20px;
  margin-bottom:16px;
}
.svc-icon.gold{
  background:var(--gold-100);
  color:var(--gold-600);
}
.svc-title{
  font-size:20px;
  font-weight:700;
  color:var(--ink-900);
  margin-bottom:8px;
  line-height:1.4;
}
.svc-desc{
  font-size:14px;
  color:var(--text-body);
  margin-bottom:14px;
  line-height:1.7;
}
.svc-points{
  display:flex;
  flex-wrap:wrap;
  gap:8px 14px;
  margin-top:auto;
}
.svc-points li{
  font-size:13px;
  color:var(--text-body);
  display:flex;
  align-items:center;
  gap:6px;
}
.svc-points li::before{
  content:"✦";
  color:var(--gold-500);
  font-size:11px;
}
.svc-link{
  margin-top:16px;
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--teal-700);
}
.svc-link:hover{color:var(--gold-600);gap:10px;transition:all .3s}
.svc-top-right{
  grid-column:3;
  grid-row:1;
  background:var(--bg-card);
}
.svc-bottom-left{
  grid-column:1;
  grid-row:2;
}
.svc-bottom-wide{
  grid-column:2/4;
  grid-row:2;
  background:
    radial-gradient(circle at 92% 50%,rgba(224,193,136,.3),transparent 45%),
    var(--bg-card);
}

/* ---------- 资讯动态 ---------- */
.news-section{
  background:var(--bg-page);
  padding:90px 0;
}
.news-section .section-head{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap:24px;
  flex-wrap:wrap;
}
.news-more-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--teal-700);
  background:var(--teal-50);
  padding:8px 18px;
  border-radius:999px;
  transition:all .3s;
}
.news-more-link:hover{
  background:var(--teal-700);
  color:#fff;
}
.news-stack{
  display:flex;
  flex-direction:column;
  gap:14px;
}
.news-card{
  background:var(--bg-card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:20px 24px;
  display:grid;
  grid-template-columns:1fr auto;
  gap:14px 30px;
  transition:transform .26s ease, box-shadow .26s ease, border-color .3s;
  align-items:center;
}
.news-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-soft);
  border-color:rgba(26,95,85,.35);
}
.news-main{
  display:flex;
  flex-direction:column;
  gap:6px;
}
.news-meta{
  display:flex;
  align-items:center;
  gap:12px;
  font-size:12.5px;
  color:var(--text-light);
}
.news-cat{
  background:var(--teal-50);
  color:var(--teal-700);
  font-weight:600;
  padding:2px 10px;
  border-radius:999px;
}
.news-date{white-space:nowrap}
.news-title{
  font-size:17.5px;
  font-weight:700;
  color:var(--ink-900);
  line-height:1.5;
  transition:color .2s;
}
.news-card:hover .news-title{color:var(--teal-700)}
.news-summary{
  font-size:14px;
  color:var(--text-light);
  line-height:1.65;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-go{
  width:44px;height:44px;
  border-radius:50%;
  background:var(--teal-50);
  display:grid;
  place-items:center;
  color:var(--teal-700);
  font-size:18px;
  transition:all .3s;
  flex-shrink:0;
}
.news-card:hover .news-go{
  background:var(--gold-500);
  color:#fff;
}
.news-empty-state{
  background:var(--bg-card);
  border:1.5px dashed var(--line);
  border-radius:var(--radius-lg);
  padding:60px 20px;
  text-align:center;
  color:var(--text-light);
  font-size:15px;
  margin-top:10px;
}
.news-empty-state .empty-ico{
  font-size:32px;
  margin-bottom:10px;
  color:var(--gold-400);
}

/* ---------- 对比区 ---------- */
.cmp-section{
  background:var(--bg-grey);
  padding:90px 0;
}
.cmp-shell{
  background:var(--bg-card);
  border-radius:var(--radius-xl);
  border:1px solid var(--line);
  overflow:hidden;
  box-shadow:var(--shadow-soft);
  display:grid;
  grid-template-columns:1fr 1fr;
}
.cmp-col{
  padding:40px 36px;
}
.cmp-col + .cmp-col{
  border-left:1px solid var(--line);
}
.cmp-col-title{
  font-size:19px;
  font-weight:700;
  color:var(--ink-900);
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:22px;
}
.cmp-col-title .ico{
  width:28px;height:28px;
  border-radius:9px;
  display:grid;
  place-items:center;
  font-size:13px;
}
.cmp-bad .ico{background:#e7e1d5;color:#8c7a5e}
.cmp-good .ico{background:var(--teal-700);color:var(--gold-400)}
.cmp-list{
  display:flex;
  flex-direction:column;
  gap:16px;
}
.cmp-item{
  display:flex;
  align-items:flex-start;
  gap:12px;
  font-size:14.5px;
  line-height:1.6;
  color:var(--text-body);
}
.cmp-item .sign{
  font-size:15px;
  font-weight:800;
  line-height:1.4;
  flex-shrink:0;
}
.cmp-bad .sign{color:#a99b82}
.cmp-good .sign{color:var(--gold-500)}
.cmp-good{
  background:linear-gradient(145deg,var(--teal-800),var(--teal-900));
  color:rgba(255,255,255,.84);
}
.cmp-good .cmp-col-title{
  color:#fff;
}
.cmp-good .cmp-badge-star{
  background:var(--gold-400);
  color:#41361f;
  font-size:11px;
  font-weight:600;
  padding:2px 10px;
  border-radius:999px;
  margin-left:auto;
}
.cmp-item .sign-check{
  color:var(--gold-400);
}

/* ---------- FAQ ---------- */
.faq-section{
  background:var(--bg-page);
  padding:90px 0;
}
.faq-wrap{
  max-width:880px;
  margin:0 auto;
}
.faq-item{
  background:var(--bg-card);
  border:1px solid var(--line);
  border-radius:20px;
  margin-bottom:12px;
  padding:0 22px;
  transition:box-shadow .25s ease;
}
.faq-item[open]{
  box-shadow:var(--shadow-soft);
  border-color:rgba(198,155,86,.4);
}
.faq-item summary{
  cursor:pointer;
  list-style:none;
  font-size:16px;
  font-weight:600;
  color:var(--ink-900);
  padding:20px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .plus{
  width:30px;height:30px;
  border-radius:50%;
  background:var(--teal-50);
  color:var(--teal-700);
  display:grid;
  place-items:center;
  font-size:18px;
  font-weight:600;
  flex-shrink:0;
  transition:all .3s ease;
}
.faq-item[open] summary .plus{
  background:var(--gold-500);
  color:#fff;
  transform:rotate(45deg);
}
.faq-answer{
  padding:0 0 20px;
  font-size:14.5px;
  line-height:1.78;
  color:var(--text-body);
  border-top:1px dashed var(--line);
  padding-top:12px;
}
.faq-item[open] summary{border-bottom:none}

/* ---------- CTA / 表单 ---------- */
.cta-section{
  padding:0 0 100px;
  position:relative;
}
.cta-box{
  background:
    radial-gradient(circle at 15% 85%,rgba(224,193,136,.2),transparent 42%),
    linear-gradient(125deg,var(--teal-800),var(--teal-900));
  border-radius:var(--radius-xl);
  padding:58px 60px;
  color:#fff;
  position:relative;
  overflow:hidden;
  box-shadow:var(--shadow-float);
}
.cta-box::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:20px 20px;
  pointer-events:none;
}
.cta-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:52px;
  align-items:center;
}
.cta-left .sec-tag{
  background:rgba(255,255,255,.12);
  border-color:rgba(255,255,255,.3);
  color:var(--gold-100);
}
.cta-left h2{
  font-size:clamp(26px,3vw,36px);
  font-weight:800;
  color:#fff;
  line-height:1.3;
  margin-bottom:12px;
}
.cta-left p{
  color:rgba(255,255,255,.82);
  font-size:15px;
  line-height:1.75;
  margin-bottom:24px;
}
.cta-contact{
  display:flex;
  flex-direction:column;
  gap:10px;
  font-size:14px;
  color:rgba(255,255,255,.75);
}
.cta-contact li{
  display:flex;
  align-items:center;
  gap:8px;
}
.cta-contact li::before{
  content:"·";
  color:var(--gold-400);
  font-size:22px;
  line-height:1;
}
.cta-form-card{
  background:#fffdf8;
  color:var(--ink-900);
  border-radius:24px;
  padding:34px 30px;
  box-shadow:0 30px 45px -30px rgba(0,0,0,.5);
}
.cta-form-card h3{
  font-size:20px;
  font-weight:700;
  color:var(--teal-800);
  margin-bottom:20px;
}
.form-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px 14px;
}
.form-field.full{grid-column:1/-1}
.form-field label{
  display:block;
  font-size:13px;
  font-weight:500;
  color:var(--text-body);
  margin-bottom:5px;
}
.form-field input,
.form-field select,
.form-field textarea{
  width:100%;
  border:1px solid var(--line);
  border-radius:12px;
  padding:11px 14px;
  background:#fff;
  font-size:14px;
  color:var(--ink-900);
  transition:border-color .25s ease, box-shadow .25s ease;
}
.form-field textarea{
  min-height:86px;
  resize:vertical;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus{
  outline:none;
  border-color:var(--teal-600);
  box-shadow:0 0 0 3px rgba(26,95,85,.14);
}
.cta-form-submit{
  margin-top:18px;
}
.privacy-line{
  margin-top:12px;
  font-size:12px;
  color:var(--text-light);
  text-align:center;
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--teal-900);
  color:rgba(255,255,255,.7);
  padding-top:64px;
  position:relative;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,var(--gold-500),transparent);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1.2fr;
  gap:45px;
  padding-bottom:46px;
}
.footer-brand .logo-text{color:#fff;font-size:19px}
.footer-brand .logo-text small{color:rgba(255,255,255,.48)}
.footer-brand p{
  margin-top:14px;
  font-size:14px;
  line-height:1.75;
  color:rgba(255,255,255,.56);
  max-width:360px;
}
.footer-title{
  font-size:15px;
  font-weight:700;
  color:#fff;
  margin-bottom:18px;
  letter-spacing:.3px;
}
.footer-links li{
  margin-bottom:10px;
}
.footer-links a{
  color:rgba(255,255,255,.64);
  font-size:14px;
  transition:color .25s,padding-left .25s;
}
.footer-links a:hover{
  color:var(--gold-400);
  padding-left:5px;
}
.footer-info{
  display:flex;
  flex-direction:column;
  gap:12px;
  font-size:13.5px;
  color:rgba(255,255,255,.5);
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:22px 0;
  text-align:center;
  font-size:13px;
  color:rgba(255,255,255,.42);
}
.footer-bottom a{
  color:rgba(255,255,255,.6);
}
.footer-bottom a:hover{
  color:var(--gold-400);
}

/* ---------- 动画 ---------- */
@keyframes fadeUp{
  from{opacity:0;transform:translateY(20px)}
  to{opacity:1;transform:translateY(0)}
}
.hero-content>*{animation:fadeUp .6s ease both}
.hero-content>*:nth-child(1){animation-delay:.05s}
.hero-content>*:nth-child(2){animation-delay:.12s}
.hero-content>*:nth-child(3){animation-delay:.2s}
.hero-content>*:nth-child(4){animation-delay:.28s}
.hero-content>*:nth-child(5){animation-delay:.36s}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .site-nav{
    position:absolute;
    top:calc(100% + 10px);
    left:0;
    right:0;
    background:rgba(255,252,246,.98);
    border-radius:22px;
    padding:12px;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    border:1px solid var(--line);
    box-shadow:var(--shadow-soft);
    opacity:0;
    visibility:hidden;
    transform:translateY(-8px);
    transition:opacity .3s, transform .3s, visibility .3s;
  }
  .site-nav.open{
    opacity:1;
    visibility:visible;
    transform:translateY(0);
  }
  .nav-link{
    padding:12px 18px;
    font-size:15px;
  }
  .nav-burger{display:inline-flex}
  .header-cta .btn{display:none}
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero{padding-top:150px}
  .svc-grid{grid-template-columns:1fr 1fr}
  .svc-main{grid-column:1/3;grid-row:auto}
  .svc-top-right{grid-column:1;grid-row:auto}
  .svc-bottom-left{grid-column:2;grid-row:auto}
  .svc-bottom-wide{grid-column:1/3;grid-row:auto}
  .cmp-shell{grid-template-columns:1fr}
  .cmp-col + .cmp-col{border-left:none;border-top:1px solid var(--line)}
  .cta-inner{grid-template-columns:1fr;gap:34px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .section{padding:64px 0}
  .metrics-card{
    grid-template-columns:1fr 1fr;
    gap:24px 8px;
    margin-top:-40px;
    padding:24px 14px;
  }
  .metric-item:nth-child(3)::before{display:none}
  .svc-grid{grid-template-columns:1fr}
  .svc-main{grid-column:auto;flex-direction:column;align-items:flex-start;padding:22px}
  .svc-visual{flex:0 0 auto;width:100%}
  .svc-visual img{width:100%;height:auto;max-height:220px}
  .svc-top-right{grid-column:auto}
  .svc-bottom-left{grid-column:auto}
  .svc-bottom-wide{grid-column:auto}
  .cta-box{padding:38px 24px}
  .btn{width:100%}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%}
  .cmp-col{padding:28px 24px}
  .cta-form-card{padding:28px 22px}
}
@media (max-width:520px){
  .logo-text{font-size:15px}
  .logo-text small{font-size:9px}
  .logo-mark{width:34px;height:34px;font-size:17px}
  .site-header{padding:8px 12px}
  .metrics-card{grid-template-columns:1fr 1fr}
  .metric-num{font-size:30px}
  .metric-label{font-size:13px}
  .form-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .news-card{grid-template-columns:1fr;padding:18px}
  .news-go{display:none}
  .news-section .section-head{align-items:flex-start;flex-direction:column}
  .faq-item{padding:0 16px}
  .cta-box{border-radius:24px}
}

/* roulang page: category1 */
:root{
  --brand-deep:#0b3b34;
  --brand-deep-2:#0e4a41;
  --brand-primary:#1f8a76;
  --brand-primary-light:#4db3a0;
  --brand-accent:#e0a53a;
  --brand-accent-deep:#c98d26;
  --bg-soft:#f5f6f2;
  --bg-grey:#ebefe9;
  --card-white:#ffffff;
  --ink-900:#1b2a27;
  --body-text:#3f504c;
  --border-light:#dfe7e1;
  --shadow-soft:0 12px 32px -16px rgba(20,80,70,.18);
  --shadow-hover:0 20px 40px -18px rgba(20,80,70,.28);
  --radius-card:clamp(18px,2.4vw,32px);
  --radius-inner:14px;
  --nav-bg:rgba(245,246,242,.82);
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",system-ui,sans-serif;
  --font-num:"DIN Alternate","Bahnschrift","Roboto Condensed",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0;outline-color:var(--brand-primary);}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font-sans);
  background:var(--bg-soft);
  color:var(--body-text);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:all .25s ease;}
img{max-width:100%;display:block;border:0;}
ul,ol{list-style:none;}
button,input,textarea,select{font-family:inherit;font-size:inherit;}
input,textarea,select{border:none;outline:none;}
:focus-visible{outline:2px dashed var(--brand-primary);outline-offset:3px;}

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

/* Header Nav */
.site-header{
  position:sticky;top:16px;z-index:100;
  max-width:1200px;margin:0 auto;padding:0 16px;
}
.site-header .header-inner{
  display:flex;align-items:center;justify-content:space-between;
  background:var(--nav-bg);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border:1px solid rgba(255,255,255,.7);
  border-radius:999px;
  padding:10px 14px 10px 20px;
  box-shadow:0 8px 30px -20px rgba(20,80,70,.25);
  transition:box-shadow .3s ease,background .3s ease;
}
.site-header.scrolled .header-inner{
  background:rgba(240,246,242,.9);
  box-shadow:0 12px 34px -18px rgba(20,80,70,.32);
}
.site-logo{
  display:flex;align-items:center;gap:10px;
  white-space:nowrap;
}
.site-logo .logo-mark{
  width:36px;height:36px;border-radius:10px;
  background:linear-gradient(145deg,var(--brand-deep),var(--brand-primary));
  color:#fff;font-weight:800;font-size:20px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.2);
}
.site-logo .logo-text{
  font-size:18px;font-weight:800;color:var(--ink-900);
  letter-spacing:.3px;
  line-height:1.2;
}
.site-logo .logo-text small{
  display:block;font-size:9px;font-weight:600;
  color:var(--brand-primary);letter-spacing:1.2px;
  margin-top:2px;
}
.site-nav{display:flex;gap:4px;}
.site-nav .nav-link{
  padding:7px 16px;
  border-radius:999px;
  font-size:15px;font-weight:500;
  color:var(--body-text);
  position:relative;
  white-space:nowrap;
}
.site-nav .nav-link:hover{background:rgba(31,138,118,.08);color:var(--brand-deep-2);}
.site-nav .nav-link.active{
  background:var(--brand-deep);
  color:#fff;
  font-weight:600;
  box-shadow:0 4px 14px -6px rgba(11,59,52,.5);
}
.header-cta{display:flex;align-items:center;gap:10px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:999px;
  font-weight:600;
  font-size:15px;
  padding:10px 24px;
  cursor:pointer;
  border:1px solid transparent;
  letter-spacing:.3px;
  transition:all .28s ease;
  text-align:center;
  white-space:nowrap;
}
.btn-primary{background:var(--brand-deep);color:#fff;}
.btn-primary:hover{background:var(--brand-deep-2);transform:translateY(-2px);box-shadow:0 10px 20px -12px rgba(11,59,52,.5);}
.btn-accent{
  background:linear-gradient(135deg,var(--brand-accent),var(--brand-accent-deep));
  color:#31230b;
}
.btn-accent:hover{
  filter:brightness(1.05);
  box-shadow:0 10px 24px -12px rgba(224,165,58,.6);
  transform:translateY(-2px);
  color:#221a06;
}
.btn-ghost{background:transparent;border:1px solid var(--border-light);color:var(--brand-deep-2);}
.btn-ghost:hover{background:rgba(31,138,118,.08);border-color:var(--brand-primary);color:var(--brand-deep);}
.btn-sm{padding:7px 18px;font-size:14px;}
.btn-lg{padding:14px 38px;font-size:16px;}

.nav-burger{
  display:none;
  width:42px;height:42px;
  border-radius:50%;
  background:var(--brand-deep);
  border:none;
  cursor:pointer;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
}
.nav-burger span{
  display:block;width:18px;height:2px;
  background:#fff;border-radius:2px;
  transition:transform .3s ease,opacity .3s ease;
}
.nav-burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-burger.open span:nth-child(2){opacity:0;}
.nav-burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* Hero */
.hero{
  position:relative;
  padding:64px 0 56px;
  background:
    linear-gradient(180deg, rgba(11,59,52,.98) 0%, rgba(11,59,52,.92) 60%, rgba(14,74,65,.88) 100%),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color:#fff;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;
  width:460px;height:460px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(224,165,58,.14), transparent 65%);
  top:-160px;right:-100px;
  pointer-events:none;
}
.hero-inner{
  position:relative;
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:48px;
  align-items:center;
}
.breadcrumb{
  display:flex;align-items:center;gap:8px;
  font-size:14px;
  color:rgba(255,255,255,.75);
  margin-bottom:20px;
  flex-wrap:wrap;
}
.breadcrumb a{color:rgba(255,255,255,.8);}
.breadcrumb a:hover{color:var(--brand-accent);}
.breadcrumb .sep{opacity:.5;}
.hero-tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.18);
  border-radius:999px;
  font-size:13px;
  font-weight:600;
  color:var(--brand-accent);
  letter-spacing:.6px;
  margin-bottom:18px;
}
.hero h1{
  font-size:clamp(32px,4.2vw,48px);
  font-weight:800;
  line-height:1.2;
  color:#fff;
  letter-spacing:.3px;
  margin-bottom:18px;
}
.hero h1 .keyword-hl{
  color:var(--brand-accent);
}
.hero .hero-sub{
  font-size:16px;
  line-height:1.85;
  color:rgba(255,255,255,.82);
  max-width:560px;
  margin-bottom:28px;
}
.hero-actions{
  display:flex;gap:14px;flex-wrap:wrap;
  margin-bottom:36px;
}
.hero-badges{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:14px;
  max-width:480px;
}
.hero-badge{
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.1);
  border-radius:var(--radius-inner);
  padding:10px 12px;
  text-align:center;
}
.hero-badge .h-num{
  font-family:var(--font-num);
  font-size:22px;
  font-weight:700;
  color:var(--brand-accent);
  display:block;
}
.hero-badge .h-label{
  font-size:12px;
  color:rgba(255,255,255,.7);
}
.hero-visual{
  position:relative;
  min-height:400px;
}
.hero-card{
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.18);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-radius:var(--radius-card);
  padding:26px;
  position:relative;
}
.hero-card h3{
  font-size:18px;
  font-weight:700;
  margin-bottom:16px;
}
.hero-card .shield-ring{
  width:84px;height:84px;
  border-radius:50%;
  background:rgba(224,165,58,.15);
  display:flex;align-items:center;justify-content:center;
  font-size:36px;
  margin-bottom:18px;
  border:1px solid rgba(224,165,58,.3);
}
.hero-card ul li{
  padding:6px 0;
  font-size:14px;
  border-left:2px solid var(--brand-accent);
  padding-left:12px;
  margin-bottom:6px;
  color:rgba(255,255,255,.86);
}
.hero-float-chip{
  position:absolute;
  bottom:24px;right:4px;
  background:#fff;
  color:var(--brand-deep);
  border-radius:16px;
  padding:12px 18px;
  font-size:13px;
  font-weight:600;
  box-shadow:var(--shadow-soft);
  display:flex;
  align-items:center;
  gap:8px;
}
.hero-float-chip .dot{
  width:8px;height:8px;
  background:var(--brand-primary);
  border-radius:50%;
}

/* Section Block */
.section{padding:80px 0;}
.section-head{
  text-align:center;
  max-width:720px;
  margin:0 auto 48px;
}
.section-head .sec-label{
  display:inline-block;
  font-size:13px;
  font-weight:700;
  letter-spacing:1px;
  color:var(--brand-primary);
  background:rgba(31,138,118,.08);
  padding:5px 14px;
  border-radius:999px;
  margin-bottom:12px;
}
.section-head h2{
  font-size:clamp(26px,3vw,34px);
  font-weight:800;
  color:var(--ink-900);
  line-height:1.3;
  margin-bottom:12px;
}
.section-head p{
  font-size:15px;
  color:var(--body-text);
  line-height:1.7;
}

/* Section 01: safety metrics */
.safety-metrics{
  margin-top:-36px;
  position:relative;
  z-index:4;
}
.metrics-panel{
  background:#fff;
  border-radius:var(--radius-card);
  padding:36px 28px;
  box-shadow:var(--shadow-hover);
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.metric-item{
  text-align:center;
  padding:16px 8px;
  border-radius:var(--radius-inner);
  background:linear-gradient(180deg, rgba(31,138,118,.05), rgba(31,138,118,0));
  transition:all .3s ease;
}
.metric-item:hover{
  transform:scale(1.02);
  background:rgba(31,138,118,.08);
}
.metric-item .m-num{
  font-family:var(--font-num);
  font-size:clamp(32px,3.2vw,46px);
  font-weight:700;
  background:linear-gradient(145deg,var(--brand-deep),var(--brand-primary));
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  display:block;
  line-height:1.1;
}
.metric-item .m-label{
  font-size:14px;
  color:var(--body-text);
  margin-top:6px;
  display:block;
}
.metric-item .divider{
  width:24px;height:2px;
  background:var(--brand-accent);
  margin:10px auto 4px;
  border-radius:2px;
}

/* Section Head Sub */
.sec-sub{
  font-size:15px;
  color:var(--body-text);
  max-width:620px;
  margin:10px auto 0;
}

/* Core services grid */
.security-services{padding:70px 0 30px;}
.services-grid{
  display:grid;
  grid-template-columns:1fr 1fr 1fr;
  gap:22px;
}
.service-card{
  background:#fff;
  border-radius:var(--radius-card);
  padding:30px;
  border:1px solid var(--border-light);
  box-shadow:var(--shadow-soft);
  position:relative;
  overflow:hidden;
  transition:transform .3s ease,box-shadow .3s ease;
}
.service-card::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:3px;
  background:linear-gradient(90deg, var(--brand-primary), var(--brand-accent));
  opacity:0;
  transition:opacity .3s;
}
.service-card:hover{
  transform:translateY(-5px);
  box-shadow:var(--shadow-hover);
}
.service-card:hover::before{opacity:1;}
.service-card .icon-wrap{
  width:52px;height:52px;
  border-radius:14px;
  background:rgba(31,138,118,.1);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:24px;
  margin-bottom:18px;
}
.service-card h3{
  font-size:18px;
  font-weight:700;
  color:var(--ink-900);
  margin-bottom:10px;
}
.service-card p{
  font-size:14px;
  color:var(--body-text);
  line-height:1.7;
}
.service-dot-list{
  margin-top:14px;
  border-top:1px dashed var(--border-light);
  padding-top:14px;
}
.service-dot-list li{
  position:relative;
  padding-left:16px;
  font-size:13.5px;
  color:var(--body-text);
  line-height:1.6;
  margin-bottom:6px;
}
.service-dot-list li::before{
  content:"";
  position:absolute;
  left:2px;top:9px;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--brand-primary);
}
.service-card .more-link{
  display:inline-block;
  margin-top:16px;
  font-size:14px;
  font-weight:600;
  color:var(--brand-primary);
}
.service-card .more-link:hover{color:var(--brand-deep);text-decoration:underline;}

/* Scenes */
.scene-section{
  background:var(--bg-grey);
  border-radius:var(--radius-card);
  padding:60px 30px;
  margin-top:50px;
}
.scene-matrix{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.scene-card{
  background:#fff;
  border-radius:18px;
  padding:24px 20px;
  border:1px solid var(--border-light);
  transition:all .3s ease;
}
.scene-card:hover{
  border-color:var(--brand-primary-light);
  box-shadow:var(--shadow-soft);
}
.scene-card .sc-tag{
  display:inline-block;
  background:var(--brand-deep);
  color:#fff;
  font-size:12px;
  padding:3px 12px;
  border-radius:999px;
  margin-bottom:12px;
}
.scene-card h4{
  font-size:16px;
  font-weight:700;
  color:var(--ink-900);
  margin-bottom:8px;
}
.scene-card p{
  font-size:14px;
  color:var(--body-text);
  line-height:1.65;
}

/* Steps / 操作流程 */
.steps-block{
  background:var(--brand-deep);
  border-radius:var(--radius-card);
  padding:60px 40px;
  color:#fff;
  background-image:
    radial-gradient(circle at 85% 20%, rgba(224,165,58,.14), transparent 35%),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  position:relative;
}
.steps-block .section-head h2{color:#fff;}
.steps-block .section-head p{color:rgba(255,255,255,.75);}
.steps-block .sec-label{background:rgba(224,165,58,.2);color:var(--brand-accent);}
.steps-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  position:relative;
}
.step-item{
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.12);
  border-radius:20px;
  padding:22px 18px;
  backdrop-filter:blur(8px);
  transition:all .3s;
}
.step-item:hover{
  background:rgba(255,255,255,.13);
  border-color:var(--brand-accent);
  transform:translateY(-4px);
}
.step-num{
  font-family:var(--font-num);
  font-size:22px;
  font-weight:700;
  color:var(--brand-accent);
  width:42px;height:42px;
  border-radius:50%;
  background:rgba(224,165,58,.14);
  display:flex;
  align-items:center;
  justify-content:center;
  margin-bottom:14px;
}
.step-item h4{
  font-size:16px;
  color:#fff;
  margin-bottom:8px;
}
.step-item p{
  font-size:13.5px;
  color:rgba(255,255,255,.72);
  line-height:1.6;
}

/* Contrast block */
.contrast-section{
  padding:80px 0;
}
.contrast-layout{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:12px;
  border-radius:var(--radius-card);
  overflow:hidden;
  border:1px solid var(--border-light);
  background:#fff;
}
.contrast-col{
  padding:40px 36px;
}
.contrast-col.right{
  background:linear-gradient(160deg, var(--brand-deep), var(--brand-deep-2));
  color:#fff;
}
.contrast-col h3{
  font-size:20px;
  font-weight:800;
  margin-bottom:24px;
}
.contrast-col.right h3{color:#fff;}
.contrast-list li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  margin-bottom:14px;
  font-size:14.5px;
  line-height:1.5;
}
.contrast-col.left .contrast-list li{
  color:var(--body-text);
}
.contrast-col.right .contrast-list li{
  color:rgba(255,255,255,.92);
}
.contrast-icon{
  flex:none;
  width:20px;height:20px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:12px;
  margin-top:2px;
}
.left .contrast-icon{
  background:#e5eae6;
  color:#7e958e;
}
.right .contrast-icon{
  background:rgba(224,165,58,.25);
  color:var(--brand-accent);
}

/* Security Tips list */
.tips-block{
  padding:50px 0 80px;
}
.tips-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:18px;
}
.tip-item{
  display:flex;
  gap:16px;
  background:#fff;
  padding:24px;
  border-radius:18px;
  border:1px solid var(--border-light);
  transition:all .3s ease;
}
.tip-item:hover{
  box-shadow:var(--shadow-soft);
  border-color:var(--brand-primary-light);
}
.tip-item .tip-index{
  font-family:var(--font-num);
  font-size:17px;
  font-weight:700;
  color:var(--brand-accent);
  flex:none;
  line-height:1.4;
  width:34px;height:34px;
  background:rgba(224,165,58,.12);
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:10px;
}
.tip-item .tip-body h4{
  font-size:16px;
  font-weight:700;
  color:var(--ink-900);
  margin-bottom:5px;
}
.tip-item .tip-body p{
  font-size:14px;
  color:var(--body-text);
  line-height:1.65;
}

/* FAQ */
.faq-section{
  background:#fff;
  padding:80px 0;
}
.faq-wrap{
  max-width:860px;
  margin:0 auto;
}
.faq-item{
  background:var(--bg-soft);
  border:1px solid var(--border-light);
  border-radius:20px;
  margin-bottom:14px;
  overflow:hidden;
  transition:all .3s ease;
}
.faq-item:hover{border-color:var(--brand-primary-light);}
.faq-item.open{
  box-shadow:var(--shadow-soft);
  background:#fff;
}
.faq-q{
  width:100%;
  background:none;
  border:none;
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:22px 26px;
  cursor:pointer;
  text-align:left;
  font-size:17px;
  font-weight:600;
  color:var(--ink-900);
  gap:20px;
}
.faq-q .faq-icon{
  flex:none;
  width:28px;height:28px;
  border-radius:50%;
  background:rgba(31,138,118,.1);
  display:flex;
  align-items:center;
  justify-content:center;
  transition:transform .35s ease,background .3s ease;
  font-size:17px;
  color:var(--brand-primary);
}
.faq-item.open .faq-icon{
  transform:rotate(135deg);
  background:var(--brand-primary);
  color:#fff;
}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .35s ease;
}
.faq-a-inner{
  padding:0 26px 24px;
  font-size:15px;
  color:var(--body-text);
  line-height:1.8;
}

/* CTA */
.cta-section{
  padding:20px 0 80px;
}
.cta-panel{
  background:linear-gradient(145deg, var(--brand-deep) 0%, #134a41 100%);
  border-radius:var(--radius-card);
  padding:50px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:40px;
  color:#fff;
  position:relative;
  overflow:hidden;
}
.cta-panel::before{
  content:"";
  position:absolute;
  width:300px;height:300px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(224,165,58,.18), transparent 70%);
  top:-120px;right:-60px;
}
.cta-info h2{
  font-size:28px;
  font-weight:800;
  color:#fff;
  line-height:1.35;
  margin-bottom:14px;
}
.cta-info p{
  color:rgba(255,255,255,.75);
  font-size:15px;
  line-height:1.8;
  margin-bottom:22px;
}
.cta-promise{
  display:flex;gap:14px;
  background:rgba(255,255,255,.08);
  border-radius:14px;
  padding:14px 18px;
  font-size:13px;
  color:rgba(255,255,255,.75);
  align-items:flex-start;
}
.cta-form-card{
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.15);
  border-radius:22px;
  padding:26px;
  backdrop-filter:blur(10px);
}
.form-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:14px;
  margin-bottom:14px;
}
.form-group{display:flex;flex-direction:column;gap:6px;}
.form-group label{
  font-size:13px;
  color:rgba(255,255,255,.8);
  font-weight:500;
}
.form-group input,.form-group select,.form-group textarea{
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.15);
  border-radius:12px;
  padding:11px 14px;
  color:#fff;
  min-height:44px;
  font-size:14px;
  transition:border-color .3s;
}
.form-group select{cursor:pointer;}
.form-group select option{color:#333;background:#fff;}
.form-group input::placeholder,.form-group textarea::placeholder{color:rgba(255,255,255,.4);}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{
  border-color:var(--brand-accent);
  background:rgba(255,255,255,.16);
}
.form-group textarea{resize:vertical;min-height:80px;}
.form-full{grid-column:1 / -1;}
.form-submit{width:100%;}
.cta-msg{margin-top:14px;font-size:12.5px;color:rgba(255,255,255,.5);text-align:center;}

/* Footer */
.site-footer{
  background:var(--brand-deep);
  color:rgba(255,255,255,.72);
  padding-top:60px;
  position:relative;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg, var(--brand-primary), var(--brand-accent), var(--brand-primary));
  opacity:.5;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.3fr .8fr 1.2fr;
  gap:36px;
  padding-bottom:36px;
}
.footer-brand .site-logo{
  margin-bottom:12px;
}
.footer-brand .site-logo .logo-text{
  color:#fff;
}
.footer-brand .site-logo .logo-text small{
  color:rgba(255,255,255,.45);
}
.footer-brand .site-logo .logo-mark{
  background:linear-gradient(145deg,var(--brand-accent),var(--brand-accent-deep));
  color:#271f0b;
}
.footer-brand p{
  font-size:14px;
  max-width:340px;
  color:rgba(255,255,255,.55);
  line-height:1.7;
}
.footer-title{
  font-size:15px;
  font-weight:700;
  color:#fff;
  margin-bottom:16px;
  padding-bottom:10px;
  position:relative;
}
.footer-title::after{
  content:"";
  width:28px;height:2px;
  background:var(--brand-accent);
  position:absolute;
  left:0;bottom:0;
  border-radius:2px;
}
.footer-links li, .footer-info span{
  margin-bottom:10px;
}
.footer-links a{
  font-size:14px;
  color:rgba(255,255,255,.65);
  transition:all .25s;
  border-bottom:1px dotted transparent;
}
.footer-links a:hover{
  color:#fff;
  border-bottom-color:var(--brand-accent);
  padding-left:2px;
}
.footer-info{
  display:flex;
  flex-direction:column;
  gap:8px;
}
.footer-info span{
  font-size:14px;
  display:flex;
  align-items:center;
  gap:8px;
}
.footer-info span::before{
  content:"";
  width:5px;height:5px;
  background:var(--brand-accent);
  border-radius:50%;
  flex:none;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:18px 0;
}
.footer-bottom p{
  text-align:center;
  font-size:13px;
  color:rgba(255,255,255,.45);
}

/* Empty state */
.cms-render{
  padding:20px 0;
}
.content-list-note{
  font-size:13.5px;
  color:var(--body-text);
  line-height:1.65;
  background:var(--bg-grey);
}
.list-note-ul{
  list-style:none;
}
.list-note-ul li{
  position:relative;
  padding-left:22px;
  margin-bottom:8px;
  font-size:14px;
  color:var(--body-text);
}
.list-note-ul li::before{
  content:"✓";
  position:absolute;
  left:2px;top:0;
  color:var(--brand-primary);
  font-weight:600;
}

/* Media queries */
@media (max-width: 1024px){
  .hero-inner{
    grid-template-columns:1fr;
    gap:32px;
  }
  .hero-visual{min-height:auto;}
  .metrics-panel{
    grid-template-columns:repeat(4,1fr);
  }
  .security-services .services-grid{
    grid-template-columns:1fr 1fr;
  }
  .scene-matrix{
    grid-template-columns:1fr 1fr;
  }
  .steps-grid{
    grid-template-columns:repeat(2,1fr);
    gap:16px;
  }
  .footer-grid{
    grid-template-columns:1fr .6fr 1fr;
    gap:28px;
  }
}

@media (max-width: 768px){
  .site-header{
    top:8px;
    padding:0 10px;
  }
  .site-header .header-inner{
    padding:10px 12px;
  }
  .site-nav{
    position:fixed;
    top:0;right:-90%;
    width:78%;
    max-width:320px;
    height:100vh;
    background:var(--brand-deep);
    flex-direction:column;
    padding:80px 28px 30px;
    border-radius:0;
    transition:right .38s ease;
    z-index:99;
    box-shadow:-20px 0 40px rgba(0,0,0,.2);
  }
  .site-nav.show{right:0;}
  .site-nav .nav-link{
    color:rgba(255,255,255,.9);
    padding:14px 10px;
    border-bottom:1px solid rgba(255,255,255,.1);
    border-radius:0;
    width:100%;
  }
  .site-nav .nav-link.active{
    background:var(--brand-accent);
    color:#31230b;
    border-radius:12px;
  }
  .header-cta .btn{display:none;}
  .nav-burger{
    display:flex;
  }
  .header-cta .nav-burger{
    display:flex;
  }
  .header-cta .btn-sm{display:none;}
  .logo-text{font-size:16px;}
  .logo-mark{width:32px;height:32px;font-size:17px;}

  .hero{padding:36px 0 40px;}
  .hero-badges{grid-template-columns:repeat(3,1fr);gap:8px;}
  .section{padding:56px 0;}
  .metrics-panel{
    grid-template-columns:1fr 1fr;
    gap:10px;
    padding:22px 16px;
  }
  .metric-item{padding:14px 6px;}
  .security-services .services-grid{
    grid-template-columns:1fr;
  }
  .scene-matrix{grid-template-columns:1fr;}
  .scene-section{padding:36px 18px;}
  .steps-block{padding:40px 20px;}
  .steps-grid{grid-template-columns:1fr;}
  .contrast-layout{grid-template-columns:1fr;}
  .contrast-col{padding:28px 20px;}
  .contrast-col.right{border-radius:0 0 20px 20px;}
  .tips-grid{grid-template-columns:1fr;}
  .faq-section{padding:60px 0;}
  .faq-q{
    padding:18px 18px;
    font-size:15px;
  }
  .faq-a-inner{padding:0 18px 20px;font-size:14px;}
  .cta-panel{
    grid-template-columns:1fr;
    padding:30px 22px;
    gap:30px;
  }
  .form-row{grid-template-columns:1fr;}
  .footer-grid{
    grid-template-columns:1fr;
    gap:24px;
    padding-bottom:24px;
  }
  .footer-bottom p{
    font-size:12px;
  }
}

@media (max-width: 520px){
  .site-header .header-inner{
    padding:8px 10px;
    gap:6px;
  }
  .site-logo .logo-mark{
    width:28px;height:28px;
    border-radius:8px;
    font-size:15px;
  }
  .site-logo .logo-text{
    font-size:14px;
  }
  .site-logo .logo-text small{
    font-size:8px;
  }
  .header-cta .btn{display:none;}
  .hero h1{
    font-size:28px;
  }
  .hero-actions .btn{
    width:100%;
  }
  .hero-badges{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    width:100%;
  }
  .section-head h2{
    font-size:24px;
  }
  .metrics-panel{
    grid-template-columns:1fr 1fr;
    width:100%;
  }
  .metric-item .m-num{
    font-size:26px;
  }
  .service-card{
    padding:22px 18px;
  }
  .steps-block{
    border-radius:24px;
    padding:34px 16px;
  }
  .tip-item{
    padding:18px 14px;
  }
  .faq-q{
    font-size:14.5px;
    gap:12px;
  }
  .cta-panel{
    padding:24px 16px;
  }
  .cta-info h2{
    font-size:22px;
  }
  .btn-lg{
    padding:13px 24px;
    font-size:15px;
  }
}

/* roulang page: article */
:root {
  --brand-deep: #0d4f49;
  --brand-primary: #168b77;
  --brand-medium: #7cc5b8;
  --brand-soft: #e1f3ee;
  --brand-accent: #e3a52d;
  --brand-accent-deep: #c7801a;
  --bg-soft: #fbfaf5;
  --bg-pale: #f1f6f2;
  --bg-grey: #e7efe9;
  --ink-900: #173a34;
  --ink-700: #2c5149;
  --text-body: #3d5c54;
  --muted: #6b857c;
  --white: #ffffff;
  --border: #dceadd;
  --radius-lg: 30px;
  --radius-md: 18px;
  --radius-pill: 999px;
  --shadow-sm: 0 8px 24px -16px rgba(20, 80, 70, .16);
  --shadow-md: 0 22px 52px -28px rgba(20, 80, 70, .26);
  --shadow-accent: 0 14px 26px -14px rgba(226, 164, 45, .55);
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, sans-serif;
  --font-display: "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
  --container: 1200px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  background: var(--bg-soft);
  color: var(--text-body);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color .2s ease, background-color .2s ease, border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}

button,
input,
textarea {
  font-family: inherit;
  font-size: inherit;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  color: var(--ink-900);
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.3;
}

p {
  margin-top: 0;
}

:focus-visible {
  outline: 2px dashed var(--brand-primary);
  outline-offset: 4px;
}

.container {
  width: min(var(--container), calc(100% - 40px));
  margin: 0 auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition: all .25s ease;
}

.btn-sm {
  padding: 9px 18px;
  font-size: 14px;
}

.btn-primary {
  background: var(--brand-primary);
  color: #ffffff;
  box-shadow: 0 10px 20px -12px rgba(22, 139, 119, .65);
}

.btn-primary:hover {
  background: #0c7464;
  transform: translateY(-2px);
  box-shadow: 0 16px 26px -14px rgba(22, 139, 119, .65);
}

.btn-accent {
  background: linear-gradient(135deg, #f2bd5a, var(--brand-accent-deep));
  color: #1b2b27;
  box-shadow: var(--shadow-accent);
}

.btn-accent:hover {
  filter: brightness(1.05);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  border-color: rgba(22, 139, 119, .55);
  color: var(--brand-primary);
}

.btn-outline:hover {
  background: rgba(22, 139, 119, .08);
  border-color: var(--brand-primary);
  transform: translateY(-1px);
}

.container-btn {
  margin-top: 26px;
}

/* Header */
.site-header {
  position: fixed;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 120;
  width: min(1240px, calc(100% - 28px));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 8px 10px 8px 18px;
  background: rgba(255, 255, 255, .88);
  border: 1px solid rgba(22, 139, 119, .16);
  border-radius: var(--radius-pill);
  box-shadow: 0 14px 34px -20px rgba(14, 60, 52, .35);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: box-shadow .3s ease, background-color .3s ease, top .3s ease;
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, .94);
  box-shadow: 0 16px 40px -22px rgba(8, 56, 47, .46);
}

.site-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 13px 13px 13px 5px;
  background: var(--brand-deep);
  color: #ffffff;
  font-size: 22px;
  font-weight: 800;
  font-family: var(--font-display);
  box-shadow: inset 0 -2px 0 rgba(255, 255, 255, .14);
}

.logo-text {
  display: flex;
  flex-direction: column;
  color: var(--ink-900);
  font-family: var(--font-sans);
  font-size: 18px;
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: .01em;
}

.logo-text small {
  margin-top: 5px;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--brand-primary);
  line-height: 1;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 4px;
  border-radius: var(--radius-pill);
}

.nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 17px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-700);
  line-height: 1;
  transition: background-color .2s ease, color .2s ease, box-shadow .2s ease;
}

.nav-link:hover {
  background: rgba(22, 139, 119, .08);
  color: var(--brand-primary);
}

.nav-link.active {
  background: var(--brand-primary);
  color: #ffffff;
  box-shadow: 0 8px 18px -10px rgba(22, 139, 119, .7);
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 40px;
  padding: 8px;
  background: rgba(22, 139, 119, .1);
  border: 0;
  border-radius: 14px;
  cursor: pointer;
}

.nav-burger span {
  width: 20px;
  height: 2px;
  margin: 0 auto;
  background: var(--brand-deep);
  border-radius: 4px;
  transition: transform .25s ease, opacity .25s ease;
}

.site-header.open .nav-burger span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.site-header.open .nav-burger span:nth-child(2) {
  opacity: 0;
}

.site-header.open .nav-burger span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Article heading */
.article-main {
  padding-top: 112px;
}

.article-head {
  position: relative;
  overflow: hidden;
  padding: 50px 0 26px;
  background:
    radial-gradient(circle at 88% 10%, rgba(22, 139, 119, .10), transparent 180px),
    linear-gradient(180deg, #eef7f0 0%, var(--bg-soft) 86%);
  border-bottom: 1px solid rgba(22, 139, 119, .05);
}

.article-head-inner {
  max-width: 900px;
  margin: 0 auto;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.breadcrumb a {
  color: var(--brand-primary);
  font-weight: 600;
}

.breadcrumb a:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.breadcrumb .sep {
  color: #aac0b8;
}

.breadcrumb .current {
  max-width: 560px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--ink-700);
  font-weight: 600;
}

.article-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  padding: 6px 14px;
  border: 1px solid rgba(22, 139, 119, .26);
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, .7);
  color: var(--brand-primary);
  font-size: 13px;
  font-weight: 700;
}

.article-label::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--brand-accent);
}

.article-title {
  margin: 0 0 16px;
  font-size: clamp(32px, 4.8vw, 46px);
  line-height: 1.25;
  letter-spacing: .01em;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin-top: 14px;
  color: var(--muted);
  font-size: 14px;
}

.article-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.article-meta .meta-icon {
  color: var(--brand-primary);
}

/* Article body */
.article-body-section {
  padding: 36px 0 58px;
}

.article-body-inner {
  max-width: 920px;
  margin: 0 auto;
}

.article-content-shell {
  position: relative;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: clamp(26px, 5.6vw, 64px);
}

.article-content-shell::before {
  content: "";
  display: block;
  position: absolute;
  top: 0;
  left: 40px;
  right: 40px;
  height: 3px;
  border-radius: 0 0 8px 8px;
  background: linear-gradient(90deg, var(--brand-primary), #c9eadf 55%, var(--brand-accent));
}

.article-content {
  color: var(--text-body);
  font-size: 17px;
}

.article-content h2 {
  margin: 1.8em 0 .75em;
  font-size: 26px;
  font-weight: 700;
  letter-spacing: .01em;
}

.article-content h3 {
  margin: 1.7em 0 .65em;
  font-size: 20px;
  font-weight: 700;
}

.article-content h4 {
  margin: 1.5em 0 .5em;
  font-size: 18px;
}

.article-content p {
  margin: 0 0 1.55em;
  line-height: 1.9;
}

.article-content ul,
.article-content ol {
  margin: 0 0 1.6em;
  padding-left: 1.35em;
}

.article-content li {
  margin-bottom: .5em;
  line-height: 1.8;
}

.article-content li::marker {
  color: var(--brand-primary);
}

.article-content a {
  color: var(--brand-primary);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: rgba(22, 139, 119, .35);
  text-underline-offset: 4px;
}

.article-content a:hover {
  color: var(--brand-deep);
  text-decoration-color: var(--brand-deep);
}

.article-content blockquote {
  position: relative;
  margin: 1.9em 0;
  padding: 16px 20px 16px 28px;
  border-left: 4px solid var(--brand-accent);
  border-radius: 0 18px 18px 0;
  background: rgba(227, 165, 45, .08);
  color: var(--ink-700);
  font-size: 16px;
}

.article-content blockquote p {
  margin-bottom: .45em;
}

.article-content blockquote p:last-child {
  margin-bottom: 0;
}

.article-content img {
  width: auto;
  max-width: 100%;
  margin: 30px auto;
  border-radius: var(--radius-md);
  background: var(--bg-grey);
  box-shadow: 0 16px 38px -22px rgba(15, 60, 51, .32);
}

.article-content iframe,
.article-content video {
  max-width: 100%;
  border: 0;
  border-radius: var(--radius-md);
  margin: 28px 0;
}

.article-content figcaption {
  margin: -16px 0 24px;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

.article-content table {
  width: 100%;
  margin: 28px 0;
  border-collapse: collapse;
  font-size: 14px;
}

.article-content th,
.article-content td {
  padding: 12px 14px;
  border: 1px solid var(--border);
  text-align: left;
}

.article-content th {
  background: var(--bg-pale);
  color: var(--ink-900);
  font-weight: 700;
}

.article-content pre {
  margin: 1.8em 0;
  padding: 18px;
  overflow: auto;
  border-radius: 14px;
  background: #0e2e2a;
  color: #dcefe7;
  line-height: 1.6;
}

.article-content code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.not-found-box {
  padding: 60px 20px;
  text-align: center;
}

.not-found-icon {
  display: grid;
  place-items: center;
  width: 68px;
  height: 68px;
  margin: 0 auto 18px;
  border-radius: 22px 22px 22px 8px;
  background: var(--brand-soft);
  color: var(--brand-primary);
  font-size: 34px;
  font-weight: 800;
  font-family: var(--font-display);
}

.not-found-box h2 {
  font-size: 26px;
  margin-bottom: 8px;
}

.not-found-box p {
  color: var(--muted);
  margin-bottom: 22px;
}

/* Article bottom navigation */
.article-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-top: 34px;
}

/* Related cards */
.related-section {
  padding: 56px 0 46px;
  background: var(--bg-pale);
  border-top: 1px solid rgba(22, 139, 119, .05);
  border-bottom: 1px solid rgba(22, 139, 119, .05);
}

.related-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 28px;
}

.related-head h2 {
  position: relative;
  font-size: 30px;
  line-height: 1.3;
}

.related-head h2::after {
  content: "";
  display: block;
  width: 42px;
  height: 4px;
  margin-top: 10px;
  border-radius: 12px;
  background: linear-gradient(90deg, var(--brand-primary), var(--brand-accent));
}

.related-note {
  color: var(--muted);
  font-size: 14px;
  max-width: 360px;
  text-align: right;
}

.related-grid {
  display: grid;
  grid-template-columns: 1.14fr .98fr .96fr;
  gap: 22px;
}

.related-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 22px;
  box-shadow: var(--shadow-sm);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}

.related-card:hover {
  transform: translateY(-4px);
  border-color: rgba(22, 139, 119, .45);
  box-shadow: var(--shadow-md);
}

.related-thumb {
  height: 142px;
  overflow: hidden;
  background: var(--bg-grey);
}

.related-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .35s ease;
}

.related-card:hover .related-thumb img {
  transform: scale(1.04);
}

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

.related-card-body h3 {
  font-size: 19px;
  line-height: 1.4;
  margin-bottom: 8px;
}

.related-card-body h3 a:hover {
  color: var(--brand-primary);
}

.related-card-body p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
  margin: 0 0 18px;
  flex: 1;
}

.related-more {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--brand-primary);
  font-size: 14px;
  font-weight: 700;
}

.related-more::after {
  content: "→";
  transition: transform .2s ease;
}

.related-more:hover {
  color: var(--brand-deep);
}

.related-more:hover::after {
  transform: translateX(4px);
}

/* Assist band */
.assist-section {
  padding: 50px 0 60px;
}

.assist-band {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background-color: #0d5348;
  background-image:
    linear-gradient(115deg, rgba(9, 52, 44, .95) 0%, rgba(17, 89, 73, .88) 68%, rgba(21, 115, 90, .72) 100%),
    url("/assets/images/backpic/back-3.webp");
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: clamp(26px, 4vw, 46px);
}

.assist-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 13px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .14);
  color: #f2e5c0;
  font-size: 13px;
  font-weight: 700;
}

.assist-kicker::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--brand-accent);
}

.assist-title {
  margin: 18px 0 10px;
  color: #ffffff;
  font-size: clamp(24px, 3vw, 30px);
  line-height: 1.4;
}

.assist-text {
  max-width: 660px;
  margin: 0;
  color: rgba(255, 255, 255, .82);
  font-size: 15px;
}

.assist-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.assist-actions .btn {
  min-width: 160px;
}

.assist-caption {
  color: rgba(255, 255, 255, .68);
  font-size: 12px;
  line-height: 1.6;
  text-align: center;
}

/* Footer */
.site-footer {
  background: #092923;
  color: rgba(255, 255, 255, .76);
  padding: 56px 0 0;
}

.site-footer .site-logo {
  margin-bottom: 18px;
}

.site-footer .logo-text {
  color: #ffffff;
  white-space: nowrap;
  font-size: 18px;
}

.site-footer .logo-mark {
  background: rgba(255, 255, 255, .12);
  color: #fff4d8;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.7fr .8fr 1fr;
  gap: 44px;
  padding-bottom: 48px;
}

.footer-brand p {
  max-width: 400px;
  margin: 0;
  color: rgba(255, 255, 255, .65);
  font-size: 14px;
}

.footer-title {
  margin-bottom: 16px;
  color: #ffffff;
  font-size: 17px;
  font-family: var(--font-sans);
  font-weight: 700;
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.footer-links a {
  display: inline-block;
  color: rgba(255, 255, 255, .68);
  font-size: 14px;
}

.footer-links a:hover {
  color: #f5c56b;
  transform: translateX(3px);
}

.footer-info {
  display: grid;
  gap: 10px;
  color: rgba(255, 255, 255, .66);
  font-size: 14px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding: 16px 0;
}

.footer-bottom .container p {
  margin: 0;
  color: rgba(255, 255, 255, .5);
  font-size: 12px;
  text-align: center;
}

@media (max-width: 1100px) {
  .site-header {
    gap: 10px;
  }

  .site-nav {
    gap: 2px;
  }

  .nav-link {
    padding: 8px 12px;
    font-size: 14px;
  }

  .logo-text {
    font-size: 16px;
  }

  .logo-text small {
    font-size: 8px;
  }

  .footer-grid {
    grid-template-columns: 1fr .8fr 1fr;
    gap: 28px;
  }
}

@media (max-width: 900px) {
  .site-header {
    top: 10px;
    padding-right: 12px;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 12px);
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    padding: 14px;
    background: rgba(255, 255, 255, .97);
    border: 1px solid rgba(22, 139, 119, .14);
    border-radius: 24px;
    box-shadow: 0 22px 46px -24px rgba(12, 47, 42, .5);
    backdrop-filter: blur(16px);
  }

  .site-header.open .site-nav {
    display: flex;
  }

  .site-header.open .nav-link {
    justify-content: flex-start;
    padding: 12px 16px;
    font-size: 15px;
  }

  .nav-burger {
    display: inline-flex;
  }

  .related-grid {
    grid-template-columns: 1fr 1fr;
  }

  .related-card {
    min-height: 100%;
  }

  .related-card:first-child {
    grid-column: 1 / -1;
  }

  .related-thumb {
    height: 168px;
  }

  .assist-band {
    flex-direction: column;
    text-align: center;
  }

  .assist-text {
    margin-left: auto;
    margin-right: auto;
  }

  .assist-actions {
    width: 100%;
    flex-direction: row;
    justify-content: center;
    flex-wrap: wrap;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 760px) {
  .article-main {
    padding-top: 96px;
  }

  .article-head {
    padding-top: 34px;
  }

  .article-meta {
    gap: 8px 14px;
  }

  .related-grid {
    grid-template-columns: 1fr;
  }

  .related-card:first-child {
    grid-column: auto;
  }

  .related-thumb {
    height: 150px;
  }

  .article-content {
    font-size: 16px;
  }

  .article-content h2 {
    font-size: 22px;
  }

  .related-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .related-note {
    text-align: left;
  }

  .assist-actions {
    flex-direction: column;
  }

  .assist-actions .btn {
    width: 100%;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
    padding-bottom: 34px;
  }
}

@media (max-width: 520px) {
  .container {
    width: min(100% - 26px, 1200px);
  }

  .site-header {
    width: calc(100% - 16px);
    top: 8px;
  }

  .site-logo {
    gap: 7px;
  }

  .logo-text {
    font-size: 15px;
  }

  .logo-text small {
    display: none;
  }

  .logo-mark {
    width: 34px;
    height: 34px;
    font-size: 19px;
    border-radius: 11px 11px 11px 4px;
  }

  .btn-sm {
    display: none;
  }

  .nav-burger {
    display: inline-flex;
  }

  .article-main {
    padding-top: 84px;
  }

  .article-head-inner {
    padding-top: 8px;
  }

  .breadcrumb {
    font-size: 12px;
  }

  .article-title {
    font-size: 28px;
  }

  .article-content-shell {
    padding: 28px 20px;
  }

  .article-links {
    flex-direction: column;
    align-items: center;
  }

  .article-links .btn {
    width: 100%;
  }

  .related-head h2 {
    font-size: 25px;
  }

  .assist-band {
    padding: 28px 20px;
  }

  .assist-title {
    font-size: 21px;
  }
}

/* roulang page: category2 */
:root{
  --brand-deep:#073c3a;
  --brand-primary:#0f8a7f;
  --brand-primary-dark:#0a6f67;
  --brand-accent:#e1a63b;
  --brand-accent-light:#f4c468;
  --brand-soft:#e8f4f0;
  --bg-soft:#f6f7f4;
  --bg-grey:#eef2ee;
  --ink-900:#153f3b;
  --ink-800:#1e4d49;
  --body-text:#445b57;
  --border:#dce7e2;
  --white:#ffffff;
  --red-soft:#f5b7b7;
  --shadow-soft:0 16px 44px -20px rgba(20,80,70,.18);
  --shadow-card:0 8px 24px -14px rgba(20,80,70,.16);
  --shadow-hover:0 22px 48px -20px rgba(7,60,58,.24);
  --radius-lg:clamp(18px,2.4vw,30px);
  --radius-md:16px;
  --radius-sm:12px;
  --font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",system-ui,-apple-system,sans-serif;
  --font-num:"DIN Alternate","Bahnschrift","Roboto Condensed",sans-serif;
  --transition:all .25s ease;
  --container:1200px;
}

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

html{
  scroll-behavior:smooth;
}

body{
  font-family:var(--font-family);
  background:var(--bg-soft);
  color:var(--body-text);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}

body.nav-open{
  overflow:hidden;
}

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

a{
  color:inherit;
  text-decoration:none;
  transition:var(--transition);
}

ul,ol{
  list-style:none;
}

button,input,textarea,select{
  font-family:inherit;
  font-size:inherit;
  color:inherit;
  border:none;
  background:none;
  outline:none;
}

:focus-visible{
  outline:2px dashed var(--brand-primary);
  outline-offset:3px;
}

.container{
  max-width:var(--container);
  margin-left:auto;
  margin-right:auto;
  padding-left:20px;
  padding-right:20px;
  width:100%;
}

/* ========== Buttons ========== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 26px;
  border-radius:999px;
  font-weight:600;
  font-size:15px;
  letter-spacing:.02em;
  cursor:pointer;
  line-height:1.2;
  border:1px solid transparent;
  transition:var(--transition);
  position:relative;
  white-space:nowrap;
}

.btn svg{
  width:18px;
  height:18px;
}

.btn-primary{
  background:var(--brand-primary);
  color:#fff;
  border-color:var(--brand-primary);
  box-shadow:0 10px 24px -10px rgba(15,138,127,.4);
}

.btn-primary:hover{
  background:var(--brand-primary-dark);
  border-color:var(--brand-primary-dark);
  transform:translateY(-2px);
  box-shadow:0 18px 30px -14px rgba(15,138,127,.5);
}

.btn-primary:active{
  transform:translateY(0);
  box-shadow:0 6px 18px -8px rgba(15,138,127,.4);
}

.btn-accent{
  background:linear-gradient(135deg,var(--brand-accent-light),var(--brand-accent) 90%);
  color:var(--ink-900);
  border-color:var(--brand-accent);
  box-shadow:0 12px 28px -14px rgba(225,166,59,.55);
}

.btn-accent:hover{
  filter:brightness(1.05);
  transform:translateY(-2px);
  box-shadow:0 18px 36px -16px rgba(225,166,59,.6);
}

.btn-accent:active{
  filter:brightness(.98);
}

.btn-outline{
  background:rgba(255,255,255,.06);
  color:#fff;
  border:1px solid rgba(255,255,255,.56);
  backdrop-filter:blur(4px);
}

.btn-outline:hover{
  background:rgba(255,255,255,.16);
  border-color:#fff;
  transform:translateY(-2px);
}

.btn-dark-outline{
  background:var(--white);
  color:var(--brand-primary-dark);
  border:1px solid var(--border);
}

.btn-dark-outline:hover{
  border-color:var(--brand-primary);
  background:rgba(15,138,127,.05);
  transform:translateY(-2px);
}

.btn-sm{
  padding:8px 18px;
  font-size:14px;
}

.btn-lg{
  padding:15px 32px;
  font-size:16px;
}

/* ========== Site Header / Nav ========== */
.site-header{
  position:fixed;
  top:16px;
  left:0;
  right:0;
  z-index:100;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  max-width:calc(1200px + 40px);
  margin:0 auto;
  padding:10px 12px 10px 22px;
  background:rgba(255,255,255,.78);
  backdrop-filter:blur(18px) saturate(150%);
  -webkit-backdrop-filter:blur(18px) saturate(150%);
  border:1px solid rgba(255,255,255,.7);
  border-radius:999px;
  box-shadow:0 12px 34px -18px rgba(20,80,70,.22);
  transition:background .3s ease,box-shadow .3s ease,top .3s ease,max-width .3s ease;
}

.site-header.scrolled{
  background:rgba(240,248,246,.92);
  box-shadow:0 14px 40px -18px rgba(20,80,70,.26);
}

.site-logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}

.logo-mark{
  width:38px;
  height:38px;
  border-radius:12px;
  background:linear-gradient(135deg,var(--brand-deep),var(--brand-primary));
  color:#fff;
  font-size:21px;
  font-weight:800;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 6px 16px -6px rgba(15,138,127,.5);
}

.logo-text{
  font-size:17px;
  font-weight:800;
  color:var(--ink-900);
  letter-spacing:.02em;
  line-height:1.15;
  display:flex;
  flex-direction:column;
  gap:2px;
}

.logo-text small{
  font-family:var(--font-num);
  font-size:9px;
  font-weight:600;
  letter-spacing:.18em;
  color:var(--brand-primary);
}

.site-nav{
  display:flex;
  align-items:center;
  gap:4px;
  margin-right:auto;
  margin-left:12px;
}

.nav-link{
  position:relative;
  padding:8px 14px;
  color:#40605b;
  font-size:15px;
  font-weight:600;
  border-radius:999px;
  line-height:1.3;
  white-space:nowrap;
}

.nav-link:hover{
  color:var(--brand-deep);
  background:rgba(15,138,127,.08);
}

.nav-link.active{
  color:var(--brand-deep);
  background:rgba(15,138,127,.13);
  box-shadow:inset 0 0 0 1px rgba(15,138,127,.08);
}

.nav-link.active::after{
  content:"";
  position:absolute;
  bottom:2px;
  left:50%;
  width:5px;
  height:5px;
  border-radius:50%;
  background:var(--brand-accent);
  transform:translateX(-50%);
}

.header-cta{
  display:flex;
  align-items:center;
  gap:8px;
}

.nav-burger{
  display:none;
  width:42px;
  height:42px;
  border-radius:50%;
  background:var(--bg-soft);
  justify-content:center;
  align-items:center;
  cursor:pointer;
  flex-direction:column;
  gap:5px;
  border:1px solid var(--border);
}

.nav-burger span{
  display:block;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--ink-900);
  transition:var(--transition);
}

body.nav-open .nav-burger span:nth-child(1){
  transform:translateY(7px) rotate(45deg);
}

body.nav-open .nav-burger span:nth-child(2){
  opacity:0;
}

body.nav-open .nav-burger span:nth-child(3){
  transform:translateY(-7px) rotate(-45deg);
}

/* ========== Hero ========== */
.page-hero{
  position:relative;
  padding:170px 0 90px;
  background:
    linear-gradient(132deg,rgba(6,52,50,.96) 10%,rgba(9,84,81,.82) 42%,rgba(14,125,116,.62) 78%),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  color:#f3fff7;
  overflow:hidden;
}

.page-hero::after{
  content:"";
  position:absolute;
  right:-120px;
  top:10%;
  width:460px;
  height:460px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(225,166,59,.16),transparent 70%);
  pointer-events:none;
}

.hero-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:50px;
  position:relative;
  z-index:2;
}

.hero-copy{
  max-width:700px;
}

.badge-line{
  display:inline-flex;
  align-items:center;
  gap:6px;
  border-radius:999px;
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.24);
  padding:6px 16px;
  font-size:13px;
  letter-spacing:.4px;
  margin-bottom:22px;
  backdrop-filter:blur(4px);
  color:#fff;
}

.badge-line::before{
  content:"✓";
  display:inline-flex;
  width:18px;
  height:18px;
  border-radius:50%;
  background:var(--brand-accent);
  color:var(--ink-900);
  font-size:11px;
  align-items:center;
  justify-content:center;
  font-weight:800;
}

.hero-copy h1{
  font-size:clamp(34px,5vw,50px);
  line-height:1.22;
  color:#fff;
  font-weight:800;
  letter-spacing:.01em;
  text-wrap:balance;
  margin-bottom:18px;
}

.hero-copy h1 em{
  font-style:normal;
  color:var(--brand-accent-light);
}

.hero-sub{
  font-size:17px;
  line-height:1.8;
  color:rgba(255,255,255,.84);
  max-width:600px;
  margin-bottom:30px;
}

.hero-actions{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:14px;
}

.hero-note{
  margin-top:20px;
  font-size:13px;
  color:rgba(255,255,255,.64);
  display:flex;
  align-items:center;
  gap:6px;
}

.hero-note svg{
  width:14px;
  height:14px;
  flex-shrink:0;
}

.hero-visual{
  width:100%;
  max-width:400px;
  flex-shrink:0;
  position:relative;
  perspective:900px;
}

.hero-visual-card{
  background:rgba(255,255,255,.12);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border:1px solid rgba(255,255,255,.22);
  border-radius:28px;
  padding:30px 24px;
  box-shadow:0 34px 80px -32px rgba(0,0,0,.32);
  transform:rotateY(2deg);
}

.security-score{
  display:grid;
  gap:18px;
}

.score-head{
  display:flex;
  justify-content:space-between;
  align-items:center;
}

.score-head span{
  font-size:14px;
  color:rgba(255,255,255,.8);
}

.score-pill{
  background:var(--brand-accent);
  color:var(--ink-900);
  font-size:13px;
  font-weight:700;
  border-radius:999px;
  padding:3px 12px;
}

.score-num{
  font-family:var(--font-num);
  font-size:44px;
  line-height:1;
  font-weight:700;
  color:#fff;
  margin:12px 0 4px;
  letter-spacing:-.02em;
}

.score-meta{
  font-size:13px;
  color:rgba(255,255,255,.65);
}

.v-divider{
  width:100%;
  height:1px;
  background:rgba(255,255,255,.16);
  margin:8px 0;
}

.security-check-list{
  display:grid;
  gap:10px;
}

.security-check-list li{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:#fff;
  padding:8px 10px;
  background:rgba(255,255,255,.08);
  border-radius:10px;
}

.security-check-list li::before{
  content:"✓";
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:18px;
  height:18px;
  border-radius:50%;
  background:rgba(15,138,127,.8);
  font-size:10px;
}

/* ========== Section base ========== */
.section{
  padding:90px 0;
}

.section-head{
  margin-bottom:44px;
  max-width:760px;
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--brand-primary);
  font-weight:700;
  font-size:13px;
  letter-spacing:.12em;
  text-transform:uppercase;
  margin-bottom:14px;
}

.eyebrow::before{
  content:"";
  width:22px;
  height:2px;
  background:var(--brand-accent);
  display:inline-block;
}

.section-head h2{
  font-size:clamp(25px,3.4vw,35px);
  line-height:1.3;
  color:var(--ink-900);
  font-weight:800;
  letter-spacing:.01em;
  margin-bottom:10px;
}

.section-head p{
  font-size:15px;
  color:var(--body-text);
  line-height:1.9;
  max-width:660px;
}

/* ========== Security stats ========== */
.trust-band{
  background:
    linear-gradient(rgba(255,255,255,.94),rgba(255,255,255,.94)),
    url('/assets/images/backpic/back-1.webp') center center/cover no-repeat;
  border-bottom:1px solid var(--border);
  padding:30px 0;
}

.stats-banner{
  display:grid;
  grid-template-columns:1fr 1fr 1fr 1fr;
  gap:18px;
}

.stat-item{
  position:relative;
  border-radius:var(--radius-md);
  background:var(--white);
  border:1px solid var(--border);
  box-shadow:var(--shadow-card);
  padding:24px 22px 22px;
  transition:var(--transition);
  overflow:hidden;
}

.stat-item:hover{
  transform:translateY(-5px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(15,138,127,.4);
}

.stat-item::before{
  content:"";
  position:absolute;
  left:22px;
  top:0;
  width:32px;
  height:3px;
  border-radius:0 0 4px 4px;
  background:linear-gradient(90deg,var(--brand-primary),var(--brand-accent));
}

.stat-item b{
  display:block;
  font-family:var(--font-num);
  font-size:34px;
  font-weight:700;
  color:var(--brand-deep);
  letter-spacing:-.02em;
  line-height:1.15;
  margin-bottom:5px;
}

.stat-item b small{
  font-size:19px;
  color:var(--brand-accent);
  margin-left:4px;
  font-weight:700;
}

.stat-item span{
  font-size:14px;
  color:var(--body-text);
  display:block;
}

/* ========== Defense areas ========== */
.defense-card .section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:26px;
}

.defense-note{
  font-size:13px;
  color:var(--body-text);
  background:var(--bg-grey);
  border-radius:999px;
  padding:6px 16px;
  border:1px solid var(--border);
  display:inline-flex;
  align-items:center;
}

.matrix{
  display:grid;
  grid-template-columns:1.3fr 1fr 1fr;
  gap:22px;
}

.m-card{
  border-radius:var(--radius-lg);
  background:var(--white);
  border:1px solid var(--border);
  box-shadow:var(--shadow-card);
  padding:30px;
  transition:var(--transition);
  position:relative;
  overflow:hidden;
  min-height:250px;
}

.m-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(15,138,127,.3);
}

.m-card.wide{
  grid-row:span 2;
  background:
    linear-gradient(146deg,rgba(8,62,60,.02) 0%,rgba(15,138,127,.08) 100%),
    url('/assets/images/coverpic/cover-10.webp') bottom right/54% auto no-repeat,
    var(--white);
  border-color:rgba(15,138,127,.22);
}

.m-card w-icon{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-start;
  gap:18px;
}

.big-icon{
  width:54px;
  height:54px;
  flex-shrink:0;
  border-radius:16px;
  background:rgba(15,138,127,.12);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--brand-primary);
  font-size:25px;
  font-weight:800;
}

.m-icon{
  width:46px;
  height:46px;
  border-radius:13px;
  background:rgba(7,60,58,.09);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--brand-deep);
  font-size:20px;
  font-weight:800;
  margin-bottom:16px;
}

.m-card h3{
  font-size:19px;
  color:var(--ink-900);
  font-weight:700;
  margin-bottom:12px;
  line-height:1.4;
}

.m-card p{
  font-size:14px;
  line-height:1.85;
  color:var(--body-text);
  margin-bottom:14px;
}

.m-card p strong{
  color:var(--brand-primary);
}

.feature-list{
  display:grid;
  gap:9px;
  margin-bottom:10px;
}

.feature-list li{
  font-size:14px;
  padding-left:24px;
  position:relative;
  padding:6px 0 6px 26px;
  border-bottom:1px dashed rgba(15,138,127,.18);
  color:var(--body-text);
}

.feature-list li:last-child{
  border-bottom:none;
}

.feature-list li::before{
  content:"";
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--brand-accent);
  position:absolute;
  left:10px;
  top:15px;
}

.cover-bottom{
  position:relative;
  margin-top:20px;
}

.cover-bottom img{
  width:100%;
  max-height:180px;
  object-fit:cover;
  object-position:center 60%;
  border-radius:15px;
  border:1px solid var(--border);
}

.chip{
  display:inline-flex;
  gap:5px;
  align-items:center;
  background:rgba(15,138,127,.1);
  border-radius:999px;
  color:var(--brand-deep);
  font-size:12px;
  font-weight:600;
  padding:4px 12px;
}

/* ========== Compliance / 图文卡片 ========== */
.security-content{
  background:
    linear-gradient(92deg,#fff 42%,rgba(15,138,127,.1) 100%),
    url('/assets/images/backpic/back-1.webp') center center/cover no-repeat;
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
}

.compliance-layout{
  display:grid;
  grid-template-columns:1.05fr 1fr;
  align-items:center;
  gap:60px;
}

.visual-panel{
  position:relative;
  border-radius:28px;
  overflow:hidden;
  box-shadow:var(--shadow-soft);
  border:1px solid var(--border);
}

.visual-panel img{
  width:100%;
  aspect-ratio:4/4.4;
  object-fit:cover;
  filter:brightness(.92);
}

.visual-panel::after{
  content:"";
  position:absolute;
  inset:auto 0 0 0;
  height:140px;
  background:linear-gradient(transparent,rgba(7,60,58,.28));
}

.result-note{
  position:absolute;
  z-index:4;
  left:18px;
  right:18px;
  bottom:20px;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(12px);
  border-radius:18px;
  padding:16px 18px;
  box-shadow:var(--shadow-card);
}

.result-note h3{
  font-size:15px;
  color:var(--ink-900);
  margin-bottom:2px;
}

.result-note p{
  font-size:13px;
  color:var(--body-text);
}

.highlight-line{
  display:flex;
  align-items:center;
  gap:8px;
  margin:8px 0;
  font-size:14px;
  color:var(--body-text);
}

.highlight-line::before{
  content:"✓";
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:18px;
  height:18px;
  border-radius:50%;
  background:var(--brand-primary);
  color:#fff;
  font-size:10px;
  font-weight:700;
  flex-shrink:0;
}

.helper-box{
  margin-top:20px;
  background:#fff;
  border-radius:var(--radius-md);
  padding:18px 20px;
  border:1px solid var(--border);
  box-shadow:var(--shadow-card);
  font-size:14px;
  color:var(--body-text);
  display:flex;
  flex-direction:column;
  gap:6px;
}

.helper-box b{
  color:var(--ink-900);
}

.helper-box a{
  color:var(--brand-primary);
  font-weight:600;
}

.helper-box a:hover{
  text-decoration:underline;
  text-underline-offset:4px;
}

/* ========== Process steps ========== */
.process-bg{
  position:relative;
}

.process-bg::before{
  content:"";
  position:absolute;
  top:140px;
  left:10%;
  right:10%;
  height:3px;
  border-radius:2px;
  background:repeating-linear-gradient(90deg,var(--border) 0 10px,transparent 10px 18px);
  z-index:0;
}

.process-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  position:relative;
  z-index:1;
}

.process-card{
  background:var(--white);
  border:1px solid var(--border);
  border-radius:22px;
  padding:28px 20px 24px;
  box-shadow:var(--shadow-card);
  transition:var(--transition);
  position:relative;
}

.process-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-hover);
}

.process-index{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:42px;
  height:42px;
  border-radius:50%;
  background:var(--brand-deep);
  color:var(--brand-accent-light);
  font-weight:800;
  font-family:var(--font-num);
  font-size:18px;
  margin-bottom:16px;
  box-shadow:0 8px 18px -8px rgba(7,60,58,.4);
}

.process-card:nth-child(2n) .process-index{
  background:var(--brand-primary);
  color:#fff;
}

.process-card h3{
  font-size:17px;
  color:var(--ink-900);
  font-weight:700;
  margin-bottom:9px;
}

.process-card p{
  font-size:14px;
  line-height:1.85;
  color:var(--body-text);
}

/* ========== FAQ ========== */
.faq-area{
  background:var(--bg-grey);
  border-top:1px solid var(--border);
}

.faq-grid{
  max-width:870px;
  margin:0 auto;
}

.faq-item{
  background:#fff;
  border-radius:var(--radius-lg);
  box-shadow:0 8px 24px -14px rgba(20,80,70,.1);
  border:1px solid var(--border);
  margin-bottom:14px;
  overflow:hidden;
  transition:var(--transition);
}

.faq-item:hover{
  border-color:rgba(15,138,127,.3);
}

.faq-item.open{
  border-color:rgba(15,138,127,.35);
  box-shadow:var(--shadow-card);
}

.faq-q{
  background:#fff;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  width:100%;
  padding:21px 24px;
  text-align:left;
  color:var(--ink-900);
  font-size:16px;
  font-weight:600;
}

.faq-q span{
  flex:1;
}

.faq-q .faq-icon{
  width:26px;
  height:26px;
  border-radius:50%;
  background:rgba(15,138,127,.1);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--brand-primary);
  transition:var(--transition);
  font-size:18px;
  font-weight:400;
  flex-shrink:0;
}

.faq-item.open .faq-icon{
  background:var(--brand-primary);
  color:#fff;
  transform:rotate(135deg);
}

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

.faq-a-inner{
  padding:0 24px 21px;
  font-size:15px;
  color:var(--body-text);
  line-height:1.8;
}

.faq-a-inner p{
  padding-top:4px;
}

/* ========== Contact CTA ========== */
.contact-cta{
  background:
    linear-gradient(rgba(8,61,59,.96),rgba(11,83,80,.9)),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding:90px 0;
  color:#fff;
  position:relative;
}

.contact-inner{
  display:grid;
  grid-template-columns:1fr 1.2fr;
  gap:54px;
  align-items:center;
}

.cta-text h2{
  color:#fff;
  font-size:32px;
  line-height:1.3;
  margin-bottom:16px;
}

.cta-text p{
  color:rgba(255,255,255,.86);
  font-size:15px;
  line-height:2;
  margin-bottom:22px;
}

.cta-notice{
  display:flex;
  align-items:flex-start;
  gap:10px;
  background:rgba(255,255,255,.12);
  border-radius:15px;
  padding:12px 16px;
  font-size:13px;
  line-height:1.7;
  color:rgba(255,255,255,.84);
}

.cta-notice b{
  color:var(--brand-accent-light);
  font-weight:700;
  flex-shrink:0;
}

.contact-form{
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.2);
  backdrop-filter:blur(16px);
  border-radius:28px;
  padding:30px;
  box-shadow:0 20px 50px -20px rgba(0,0,0,.3);
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px 14px;
}

.form-field{
  display:flex;
  flex-direction:column;
  gap:6px;
}

.form-field.full{
  grid-column:1 / -1;
}

.form-field label{
  font-size:13px;
  color:rgba(255,255,255,.9);
  letter-spacing:.02em;
}

.form-field input,
.form-field textarea{
  width:100%;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.2);
  border-radius:13px;
  padding:11px 15px;
  color:#fff;
  transition:var(--transition);
}

.form-field input:focus,
.form-field textarea:focus{
  border-color:var(--brand-accent-light);
  background:rgba(255,255,255,.18);
  box-shadow:0 0 0 3px rgba(225,166,59,.2);
}

.form-field input::placeholder,
.form-field textarea::placeholder{
  color:rgba(255,255,255,.62);
}

.form-field textarea{
  resize:vertical;
  min-height:92px;
  line-height:1.7;
}

.contact-form .btn{
  grid-column:1 / -1;
  justify-self:start;
}
/* ========== Footer ========== */
.site-footer{
  background:#073a38;
  color:rgba(255,255,255,.78);
  border-top:3px solid var(--brand-accent);
  margin-top:0;
}

.footer-grid{
  display:grid;
  grid-template-columns:1.5fr .8fr 1.1fr;
  gap:44px;
  padding:72px 0 46px;
}

.footer-brand .site-logo{
  margin-bottom:14px;
}

.footer-brand .site-logo .logo-mark{
  background:rgba(255,255,255,.14);
  color:var(--brand-accent-light);
  box-shadow:none;
}

.footer-brand .logo-text{
  color:#fff;
}

.footer-brand .logo-text small{
  color:var(--brand-accent-light);
  letter-spacing:.12em;
}

.footer-brand p{
  font-size:14px;
  line-height:2;
  max-width:340px;
  color:rgba(255,255,255,.68);
  margin-top:16px;
}

.footer-col{
  display:flex;
  flex-direction:column;
}

.footer-title{
  color:#fff;
  font-size:17px;
  font-weight:700;
  margin-bottom:20px;
}

.footer-links{
  display:grid;
  gap:12px;
}

.footer-links a{
  display:inline-block;
  color:rgba(255,255,255,.72);
  font-size:14px;
  transition:var(--transition);
  position:relative;
  padding-left:14px;
}

.footer-links a::before{
  content:"›";
  position:absolute;
  left:0;
  color:var(--brand-accent-light);
  font-weight:700;
  width:10px;
}

.footer-links a:hover{
  color:#fff;
  text-decoration:underline;
  text-underline-offset:5px;
}

.footer-info{
  display:flex;
  flex-direction:column;
  gap:15px;
  font-size:14px;
  color:rgba(255,255,255,.7);
  line-height:1.7;
}

.footer-bottom{
  border-top:1px solid rgba(255,255,255,.18);
  padding:20px 0;
  text-align:center;
}

.footer-bottom p{
  font-size:13px;
  color:rgba(255,255,255,.55);
  letter-spacing:.02em;
}

/* ========== Responsive ========== */
@media (max-width:1024px){
  .site-header{
    padding-left:18px;
  }

  .site-nav{
    gap:2px;
  }

  .nav-link{
    font-size:14px;
    padding:8px 10px;
  }

  .hero-inner{
    gap:26px;
  }

  .hero-visual{
    max-width:330px;
  }

  .matrix{
    grid-template-columns:1fr 1fr;
  }

  .m-card.wide{
    grid-row:auto;
    grid-column:1 / -1;
  }

  .process-grid{
    grid-template-columns:1fr 1fr;
  }

  .process-bg::before{
    display:none;
  }

  .contact-inner{
    grid-template-columns:1fr;
  }

  .footer-grid{
    grid-template-columns:1fr 1fr;
  }
}

@media (max-width:768px){
  .section{
    padding:70px 0;
  }
  .contact-cta{
    padding:70px 0;
  }

  .site-header{
    top:10px;
    padding:8px 10px 8px 16px;
  }

  .logo-text{
    font-size:15px;
  }

  .logo-text small{
    letter-spacing:.1em;
  }

  .site-nav{
    position:fixed;
    top:72px;
    left:16px;
    right:16px;
    z-index:99;
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    background:rgba(255,255,255,.97);
    backdrop-filter:blur(18px);
    border-radius:22px;
    box-shadow:0 30px 50px -18px rgba(0,0,0,.22);
    padding:16px;
    border:1px solid var(--border);
    transition:opacity .28s ease,transform .28s ease;
    opacity:0;
    pointer-events:none;
    transform:translateY(-16px);
    margin-left:0;
  }

  body.nav-open .site-nav{
    opacity:1;
    pointer-events:auto;
    transform:translateY(0);
  }

  .nav-link{
    padding:12px 14px;
    font-size:15px;
    border-radius:12px;
    text-align:left;
  }

  .nav-link.active{
    background:rgba(15,138,127,.12);
  }

  .nav-link.active::after{
    right:14px;
    left:auto;
    bottom:auto;
    top:17px;
  }

  .nav-burger{
    display:inline-flex;
  }

  .header-cta .btn{
    display:none;
  }

  .hero-inner{
    flex-direction:column;
    align-items:flex-start;
    gap:34px;
  }

  .page-hero{
    padding:145px 0 70px;
  }

  .hero-copy{
    max-width:100%;
  }

  .hero-copy h1{
    font-size:clamp(30px,7vw,42px);
  }

  .hero-sub{
    font-size:15px;
  }

  .hero-visual{
    max-width:100%;
  }

  .stats-banner{
    grid-template-columns:1fr 1fr;
  }

  .matrix{
    grid-template-columns:1fr;
  }

  .m-card.wide{
    grid-column:1 / 1;
  }

  .compliance-layout{
    grid-template-columns:1fr;
    gap:40px;
  }

  .process-grid{
    grid-template-columns:1fr 1fr;
    gap:14px;
  }

  .process-card{
    padding:20px 16px;
  }

  .contact-form{
    grid-template-columns:1fr;
  }

  .form-field.full{
    grid-column:auto;
  }

  .contact-cta{
    background-position:25% center;
  }

  .footer-grid{
    grid-template-columns:1fr;
    gap:38px;
    padding-top:54px;
  }
}

@media (max-width:520px){
  .section{
    padding:58px 0;
  }

  .site-header{
    border-radius:24px;
    max-width:calc(100% - 20px);
  }

  .logo-mark{
    width:34px;
    height:34px;
    font-size:18px;
  }

  .logo-text{
    font-size:14px;
    max-width:155px;
    line-height:1.1;
  }

  .logo-text small{
    font-size:8px;
  }

  .btn{
    padding:10px 20px;
    font-size:14px;
  }

  .btn-lg{
    padding:14px 26px;
  }

  .hero-actions{
    width:100%;
  }

  .hero-actions .btn{
    flex:1 1 calc(50% - 8px);
    padding:12px 8px;
    font-size:14px;
  }

  .hero-note{
    flex-wrap:wrap;
  }

  .stats-banner{
    grid-template-columns:1fr;
  }

  .stat-item{
    padding:20px 18px;
  }

  .stat-item b{
    font-size:30px;
  }

  .m-card.wide{
    background-image:none;
  }

  .process-grid{
    grid-template-columns:1fr;
  }

  .process-bg::before{
    display:none;
  }

  .faq-q{
    padding:16px;
    font-size:15px;
  }

  .faq-a-inner{
    padding:0 16px 16px;
  }

  .contact-inner{
    grid-template-columns:1fr;
  }

  .contact-form{
    padding:20px;
  }

  .contact-form .btn{
    width:100%;
  }

  .page-hero{
    padding:135px 0 55px;
  }

  .hero-copy h1{
    font-size:29px;
    line-height:1.36;
  }

  .section-head h2{
    font-size:24px;
  }

  .visual-panel img{
    aspect-ratio:4/3.6;
  }

  .footer-bottom{
    padding:20px 0;
  }
}

/* roulang page: category3 */
/* ======================== 设计变量 ======================== */
:root {
    --deep: #0d3933;
    --deep-2: #11463e;
    --deep-3: #17564a;
    --primary: #1c6e60;
    --primary-light: #d5e4dc;
    --accent: #c9912b;
    --accent-dark: #a97820;
    --accent-light: #f3e3bb;
    --paper: #f3f0e7;
    --paper-2: #e9e4d6;
    --card: #fffdf7;
    --line: #ced7cc;
    --line-strong: rgba(13, 57, 51, .28);
    --ink: #173b34;
    --text: #53645c;
    --muted: #85908a;
    --white: #ffffff;
    --radius-xl: clamp(20px, 2.8vw, 34px);
    --radius-lg: 22px;
    --radius-md: 15px;
    --radius-sm: 10px;
    --shadow: 0 14px 36px -20px rgba(13, 57, 51, .35);
    --shadow-hover: 0 22px 44px -24px rgba(13, 57, 51, .45);
    --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, sans-serif;
    --font-num: "DIN Alternate", "Bahnschrift", "Roboto Condensed", var(--font-main);
}

/* ======================== Reset ======================== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 120px;
}

body {
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.7;
    color: var(--text);
    background-color: var(--paper);
    background-image:
        radial-gradient(circle at 12% 18%, rgba(201, 145, 43, .04) 0, transparent 26%),
        radial-gradient(circle at 88% 8%, rgba(28, 110, 96, .045) 0, transparent 30%);
    -webkit-font-smoothing: antialiased;
}

ul,
ol {
    list-style: none;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color .25s ease, background-color .25s ease, border-color .25s ease, transform .25s ease;
}

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

button,
input,
select,
textarea {
    font: inherit;
    color: inherit;
}

button {
    border: 0;
    cursor: pointer;
    background: transparent;
}

.container {
    width: min(1200px, 92%);
    margin-inline: auto;
}

/* focus 可访问性 */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible {
    outline: 2px dashed var(--primary);
    outline-offset: 4px;
}

/* ======================== 通用按钮 ======================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 46px;
    padding: 11px 25px;
    border-radius: 999px;
    border: 1px solid transparent;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: .03em;
    line-height: 1.2;
    transition: all .25s ease;
}

.btn-sm {
    min-height: 40px;
    padding: 8px 19px;
    font-size: 14px;
}

.btn-primary {
    background: var(--deep);
    border-color: var(--deep);
    color: #fff;
}

.btn-primary:hover {
    background: var(--deep-3);
    border-color: var(--deep-3);
    transform: translate(-1px, -2px);
    box-shadow: 0 10px 24px -14px rgba(13, 57, 51, .6);
}

.btn-accent {
    background: linear-gradient(135deg, #d6a748, var(--accent-dark));
    border-color: rgba(255, 255, 255, .2);
    color: #fff;
    box-shadow: 0 10px 22px -14px rgba(169, 120, 32, .8);
}

.btn-accent:hover {
    filter: brightness(1.05);
    box-shadow: 0 14px 30px -14px rgba(169, 120, 32, .85);
    transform: translate(-1px, -2px);
}

.btn-ghost {
    background: rgba(255, 255, 255, .08);
    border: 1px solid rgba(255, 255, 255, .45);
    color: #fff;
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, .18);
    border-color: #fff;
    transform: translate(0, -2px);
}

.btn-ghost-light {
    background: var(--card);
    border: 1px solid var(--line);
    color: var(--ink);
}

.btn-ghost-light:hover {
    border-color: var(--primary);
    background: var(--primary-light);
    transform: translate(0, -2px);
}

.text-link {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-weight: 700;
    color: var(--primary);
}

.text-link::after {
    content: "→";
    transition: transform .25s ease;
}

.text-link:hover {
    color: var(--deep);
}

.text-link:hover::after {
    transform: translateX(4px);
}

/* ======================== Header 悬浮胶囊 ======================== */
.site-header {
    position: sticky;
    top: 14px;
    z-index: 120;
    width: min(1240px, calc(100% - 28px));
    margin: 14px auto 0;
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 9px 14px 9px 10px;
    background: rgba(255, 253, 247, .86);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
    border: 1px solid rgba(206, 215, 204, .9);
    border-radius: 999px;
    box-shadow: 0 12px 32px -20px rgba(13, 57, 51, .3);
}

.site-logo {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}

.logo-mark {
    width: 42px;
    height: 42px;
    flex: 0 0 42px;
    display: grid;
    place-items: center;
    background: var(--deep);
    border-radius: 14px;
    font-size: 21px;
    font-weight: 900;
    color: #fff;
    border: 1px solid var(--accent);
    box-shadow: inset 0 0 0 2px rgba(255, 255, 255, .06);
}

.logo-text {
    display: flex;
    flex-direction: column;
    font-size: 19px;
    font-weight: 900;
    color: var(--ink);
    line-height: 1.15;
    white-space: nowrap;
    letter-spacing: .02em;
}

.logo-text small {
    margin-top: 3px;
    font-size: 8px;
    font-weight: 700;
    letter-spacing: .28em;
    color: var(--accent-dark);
    text-transform: uppercase;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 2px;
    margin: 0 auto;
}

.nav-link {
    display: block;
    padding: 9px 15px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 700;
    color: var(--text);
    white-space: nowrap;
}

.nav-link:hover {
    color: var(--deep);
    background: rgba(28, 110, 96, .08);
}

.nav-link.active {
    background: var(--deep);
    color: #fff;
    box-shadow: 0 6px 18px -8px rgba(13, 57, 51, .55);
}

.header-cta {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-burger {
    display: none;
    width: 42px;
    height: 42px;
    padding: 10px;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    border-radius: 50%;
    border: 1px solid var(--line);
    background: var(--card);
}

.nav-burger span {
    display: block;
    height: 2px;
    width: 18px;
    margin: 0 auto;
    border-radius: 2px;
    background: var(--deep);
    transition: all .3s ease;
}

/* ======================== Hero ======================== */
.page-hero {
    position: relative;
    margin-top: 30px;
    border-radius: var(--radius-xl);
    overflow: hidden;
    color: #fff;
    background:
        radial-gradient(circle at 82% 18%, rgba(201, 145, 43, .22) 0, transparent 32%),
        linear-gradient(120deg, #0a2f2a 0%, #0d4037 48%, #165b4e 100%);
    border: 1px solid rgba(255, 255, 255, .08);
    box-shadow: var(--shadow);
}

.page-hero__bg {
    position: absolute;
    inset: 0;
    background-image: url('/assets/images/backpic/back-2.png');
    background-size: cover;
    background-position: center;
    opacity: .13;
    pointer-events: none;
}

.page-hero__inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.08fr .92fr;
    gap: 28px;
    align-items: center;
    padding: clamp(38px, 5vw, 72px);
}

.page-hero__content {
    padding-right: 10px;
}

.hero-breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 7px;
    font-size: 13px;
    color: rgba(255, 255, 255, .7);
    margin-bottom: 24px;
}

.hero-breadcrumb a:hover {
    color: var(--accent-light);
}

.hero-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: 999px;
    background: rgba(255, 255, 255, .1);
    border: 1px solid rgba(255, 255, 255, .2);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .1em;
    color: var(--accent-light);
    margin-bottom: 18px;
    text-transform: uppercase;
}

.hero-kicker::before {
    content: "";
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 0 4px rgba(201, 145, 43, .2);
}

.page-hero h1 {
    font-size: clamp(32px, 5vw, 52px);
    font-weight: 900;
    line-height: 1.2;
    color: #fff;
    letter-spacing: .02em;
    margin-bottom: 18px;
}

.page-hero h1 .gold {
    color: var(--accent-light);
    position: relative;
}

.page-hero h1 .gold::after {
    content: "";
    display: block;
    height: 7px;
    margin-top: 3px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: .6;
}

.hero-lead {
    max-width: 520px;
    font-size: 18px;
    line-height: 1.8;
    color: rgba(255, 255, 255, .84);
    margin-bottom: 26px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 13px;
}

.hero-note {
    display: flex;
    align-items: center;
    gap: 9px;
    margin-top: 20px;
    font-size: 13px;
    color: rgba(255, 255, 255, .6);
}

.hero-note::before {
    content: "✓";
    display: grid;
    place-items: center;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: rgba(201, 145, 43, .3);
    color: var(--accent-light);
    font-size: 11px;
}

.hero-photo {
    position: relative;
    border-radius: 24px;
    padding: 8px;
    background: rgba(255, 255, 255, .1);
    border: 1px solid rgba(255, 255, 255, .16);
    transform: rotate(1.3deg);
    box-shadow: 0 24px 44px -28px rgba(0, 0, 0, .6);
}

.hero-photo__inner {
    border-radius: 18px;
    overflow: hidden;
    background: #d9e3da;
    min-height: 250px;
}

.hero-photo__inner img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.hero-photo__caption {
    margin-top: 10px;
    padding: 6px 4px 4px 10px;
    font-size: 12px;
    color: rgba(255, 255, 255, .85);
    border-left: 3px solid var(--accent);
}

.hero-float-badge {
    position: absolute;
    right: -14px;
    bottom: 42px;
    background: var(--card);
    color: var(--deep);
    padding: 12px 18px;
    border-radius: 18px;
    min-width: 142px;
    box-shadow: 0 18px 34px -18px rgba(0, 0, 0, .45);
    transform: rotate(-2deg);
    border-bottom: 3px solid var(--accent);
}

.hero-float-badge strong {
    display: block;
    font-family: var(--font-num);
    font-size: 25px;
    line-height: 1.1;
}

.hero-float-badge span {
    font-size: 12px;
    color: var(--text);
}

/* ======================== 数据看板 ======================== */
.stats-panel {
    position: relative;
    z-index: 3;
    width: min(1200px, 92%);
    margin: -28px auto 0;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    padding: 28px 34px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 14px 20px;
    border-left: 3px solid var(--line);
    border-radius: 4px 16px 16px 4px;
    background: linear-gradient(90deg, rgba(28, 110, 96, .05), transparent);
}

.stat-item:nth-child(even) {
    border-left-color: var(--accent);
    background: linear-gradient(90deg, rgba(201, 145, 43, .06), transparent);
}

.stat-value {
    font-family: var(--font-num);
    font-weight: 800;
    font-size: clamp(25px, 2vw, 35px);
    line-height: 1;
    color: var(--primary);
    letter-spacing: -.02em;
    white-space: nowrap;
}

.stat-item:nth-child(even) .stat-value {
    color: var(--accent-dark);
}

.stat-label {
    font-size: 14px;
    color: var(--text);
}

.stat-label strong {
    display: block;
    color: var(--ink);
    font-size: 15px;
    margin-bottom: 3px;
}

/* ======================== 通用板块标题 ======================== */
.section {
    padding: 96px 0 20px;
}

.section--tight {
    padding-top: 48px;
}

.section-head {
    max-width: 800px;
    margin-bottom: 44px;
}

.kicker {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    margin-bottom: 13px;
    padding-left: 14px;
    border-left: 4px solid var(--accent);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: .14em;
    color: var(--accent-dark);
    text-transform: uppercase;
}

.section-title {
    font-size: clamp(25px, 3vw, 35px);
    font-weight: 900;
    line-height: 1.3;
    color: var(--ink);
    letter-spacing: .01em;
}

.section-desc {
    margin-top: 12px;
    font-size: 16px;
    line-height: 1.8;
    color: var(--text);
}

/* ======================== 服务范围矩阵 ======================== */
.service-matrix {
    display: grid;
    grid-template-columns: 1.14fr .86fr;
    grid-template-rows: 1fr 1fr;
    gap: 22px;
}

.matrix-feature {
    grid-row: span 2;
}

.matrix-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 26px;
    box-shadow: var(--shadow);
    transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
    display: flex;
    flex-direction: column;
}

.matrix-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(28, 110, 96, .45);
}

.matrix-feature {
    background:
        radial-gradient(circle at 88% 8%, rgba(201, 145, 43, .1), transparent 30%),
        var(--card);
    border-top: 4px solid var(--accent);
}

.matrix-label {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
    font-size: 13px;
    font-weight: 800;
    color: var(--accent-dark);
}

.matrix-label span {
    padding: 3px 10px;
    border-radius: 999px;
    background: rgba(201, 145, 43, .12);
}

.matrix-card h3 {
    font-size: 23px;
    color: var(--ink);
    margin-bottom: 13px;
    line-height: 1.45;
}

.matrix-card p {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text);
}

.matrix-card .text-link {
    margin-top: auto;
    padding-top: 20px;
}

.matrix-side-card h3 {
    font-size: 19px;
}

.matrix-side-card p {
    margin-bottom: 18px;
}

.dot-list {
    margin: 22px 0 12px;
    display: grid;
    gap: 12px;
}

.dot-list li {
    position: relative;
    padding-left: 24px;
    font-size: 15px;
    color: var(--text);
}

.dot-list li::before {
    content: "";
    position: absolute;
    left: 4px;
    top: 10px;
    width: 7px;
    height: 7px;
    border-radius: 50% 50% 0 50%;
    background: var(--primary);
    transform: rotate(45deg);
}

/* ======================== 服务场景 ======================== */
.scene-grid {
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    gap: 46px;
    align-items: center;
}

.scene-list {
    display: grid;
    gap: 16px;
}

.scene-item {
    display: flex;
    gap: 17px;
    padding: 18px 20px;
    background: rgba(255, 253, 247, .7);
    border: 1px solid var(--line);
    border-radius: 18px;
    transition: background .25s ease, transform .25s ease;
}

.scene-item:hover {
    background: var(--card);
    transform: translateX(4px);
    border-color: rgba(28, 110, 96, .3);
}

.scene-index {
    flex: 0 0 auto;
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: var(--deep);
    color: #fff;
    font-weight: 800;
    font-family: var(--font-num);
    font-size: 16px;
}

.scene-item:nth-child(even) .scene-index {
    background: var(--accent);
}

.scene-item strong {
    display: block;
    font-size: 16px;
    color: var(--ink);
    margin-bottom: 3px;
}

.scene-item span {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text);
    display: block;
}

.scene-photo {
    position: relative;
}

.scene-photo img {
    width: 100%;
    border-radius: 24px;
    max-height: 480px;
    object-fit: cover;
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
}

.scene-photo::after {
    content: "账号设备安全核验场景示意";
    position: absolute;
    left: 18px;
    bottom: 18px;
    background: rgba(13, 57, 51, .75);
    backdrop-filter: blur(6px);
    color: #fff;
    font-size: 13px;
    padding: 7px 16px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, .15);
}

/* ======================== 流程步骤 ======================== */
.process-panel {
    background:
        linear-gradient(120deg, rgba(255, 255, 255, .055), transparent 40%),
        var(--deep);
    border-radius: var(--radius-xl);
    padding: clamp(20px, 4vw, 58px);
    color: #fff;
    box-shadow: var(--shadow);
    border: 1px solid rgba(255, 255, 255, .08);
    position: relative;
    overflow: hidden;
}

.process-panel::before {
    content: "";
    position: absolute;
    inset: 12px;
    border: 1px dashed rgba(255, 255, 255, .18);
    border-radius: calc(var(--radius-xl) - 12px);
    pointer-events: none;
}

.process-panel .section-title {
    color: #fff;
}

.process-panel .section-desc {
    color: rgba(255, 255, 255, .74);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
    margin-top: 18px;
    position: relative;
    z-index: 1;
}

.process-step {
    padding: 24px 20px 20px;
    background: rgba(255, 255, 255, .075);
    border: 1px solid rgba(255, 255, 255, .14);
    border-radius: 18px;
    position: relative;
}

.process-step::after {
    content: "→";
    position: absolute;
    right: -18px;
    top: 28px;
    font-size: 22px;
    color: rgba(255, 255, 255, .4);
    font-weight: 300;
}

.process-step:last-child::after {
    display: none;
}

.process-step .step-num {
    font-family: var(--font-num);
    font-size: 14px;
    font-weight: 800;
    letter-spacing: .15em;
    color: var(--accent-light);
}

.process-step h3 {
    font-size: 18px;
    margin: 12px 0 8px;
    color: #fff;
}

.process-step p {
    font-size: 14px;
    line-height: 1.7;
    color: rgba(255, 255, 255, .75);
}

.process-note {
    margin-top: 24px;
    padding: 13px 18px;
    border-radius: 14px;
    background: rgba(201, 145, 43, .15);
    border: 1px solid rgba(201, 145, 43, .4);
    font-size: 13px;
    color: rgba(255, 255, 255, .9);
}

/* ======================== FAQ ======================== */
.faq-section {
    background: var(--paper-2);
    border-radius: 0;
    margin-top: 90px;
    padding: 86px 0 70px;
}

.faq-panel {
    display: grid;
    grid-template-columns: .72fr 1.28fr;
    gap: 44px;
}

.faq-side .section-desc {
    max-width: 300px;
}

.faq-list {
    display: grid;
    gap: 12px;
    counter-reset: faq;
}

.faq-item {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 18px;
    overflow: hidden;
    transition: border-color .25s ease, box-shadow .25s ease;
}

.faq-item summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 18px;
    padding: 19px 23px;
    list-style: none;
    cursor: pointer;
    font-size: 16px;
    font-weight: 700;
    color: var(--ink);
    transition: background .25s ease;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary:hover {
    background: #f1f5ef;
}

.faq-item summary::after {
    content: "";
    flex: 0 0 auto;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 1.5px solid var(--primary);
    background: transparent;
    transition: transform .3s ease, background .3s ease, border-color .3s ease;
    position: relative;
}

.faq-item summary::before {
    content: "";
    position: absolute;
    right: 32px;
    top: 50%;
    width: 8px;
    height: 8px;
    border-left: 2px solid var(--primary);
    border-top: 2px solid var(--primary);
    transform: translateY(-50%) rotate(225deg);
    transition: transform .3s ease;
    z-index: 1;
}

.faq-item[open] summary {
    background: rgba(28, 110, 96, .05);
}

.faq-item[open] summary::after {
    background: var(--primary);
}

.faq-item[open] summary::before {
    transform: translateY(-50%) rotate(45deg);
    border-color: #fff;
}

.faq-answer {
    padding: 0 23px 22px;
    font-size: 15px;
    line-height: 1.85;
    color: var(--text);
    border-top: 1px dashed var(--line);
    margin: 0 23px 0;
}

.faq-answer p {
    padding-top: 16px;
}

/* ======================== CTA 联系表单 ======================== */
.contact-section {
    padding: 100px 0 90px;
}

.contact-wrap {
    position: relative;
    overflow: hidden;
    background: linear-gradient(118deg, #0c3932 0%, #0f483d 60%, #155448 100%);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    display: grid;
    grid-template-columns: 1fr .92fr;
    gap: 0;
    border: 1px solid rgba(255, 255, 255, .1);
}

.contact-wrap::before {
    content: "";
    position: absolute;
    inset: 10px;
    border: 1px dashed rgba(255, 255, 255, .15);
    border-radius: calc(var(--radius-xl) - 10px);
    pointer-events: none;
}

.contact-copy,
.contact-form-wrap {
    position: relative;
    z-index: 1;
    padding: clamp(28px, 4vw, 52px);
}

.contact-copy {
    color: #fff;
}

.contact-copy .kicker {
    color: var(--accent-light);
    border-left-color: var(--accent);
}

.contact-copy .section-title {
    color: #fff;
    margin-bottom: 14px;
}

.contact-copy .section-desc {
    color: rgba(255, 255, 255, .78);
    margin-bottom: 22px;
}

.contact-meta {
    display: grid;
    gap: 12px;
    max-width: 380px;
    margin-top: 34px;
}

.contact-meta li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 16px;
    background: rgba(255, 255, 255, .07);
    border: 1px solid rgba(255, 255, 255, .14);
    border-radius: 14px;
    font-size: 14px;
    color: rgba(255, 255, 255, .9);
}

.contact-meta li strong {
    color: #fff;
}

.contact-meta li::before {
    content: "✓";
    display: grid;
    place-items: center;
    flex: 0 0 22px;
    height: 22px;
    border-radius: 50%;
    background: rgba(201, 145, 43, .28);
    color: var(--accent-light);
    font-size: 12px;
    margin-top: 1px;
}

.contact-form-card {
    background: var(--card);
    border-radius: 22px;
    padding: 28px;
    color: var(--text);
    box-shadow: 0 18px 40px -26px rgba(0, 0, 0, .45);
    display: grid;
    gap: 17px;
    border: 1px solid rgba(255, 255, 255, .3);
}

.contact-form-card label {
    display: grid;
    gap: 6px;
    font-size: 14px;
    font-weight: 700;
    color: var(--ink);
}

.contact-form-card input,
.contact-form-card select,
.contact-form-card textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 13px;
    background: #fff;
    padding: 11px 15px;
    font-size: 15px;
    line-height: 1.5;
    color: var(--ink);
    outline: none;
    transition: border-color .25s ease, box-shadow .25s ease;
}

.contact-form-card input:focus,
.contact-form-card select:focus,
.contact-form-card textarea:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 4px rgba(28, 110, 96, .1);
}

.contact-form-card textarea {
    min-height: 110px;
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.privacy-note {
    font-size: 12px;
    line-height: 1.7;
    color: var(--muted);
    background: #f6f5ee;
    padding: 11px 14px;
    border-radius: 12px;
    display: flex;
    gap: 9px;
    align-items: flex-start;
}

.privacy-note::before {
    content: "🔒";
    font-size: 13px;
}

/* ======================== Footer ======================== */
.site-footer {
    background: var(--deep);
    color: rgba(255, 255, 255, .83);
    border-top: 4px solid var(--accent);
    padding-top: 58px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.3fr .9fr 1fr;
    gap: 30px;
    padding-bottom: 38px;
}

.footer-brand .site-logo {
    margin-bottom: 18px;
}

.footer-brand .logo-text {
    color: #fff;
}

.footer-brand .logo-text small {
    color: var(--accent-light);
}

.footer-brand p {
    max-width: 340px;
    font-size: 15px;
    line-height: 1.85;
    opacity: .88;
}

.footer-title {
    color: #fff;
    font-size: 16px;
    font-weight: 800;
    margin-bottom: 20px;
    letter-spacing: .06em;
}

.footer-links {
    display: grid;
    gap: 11px;
}

.footer-links a {
    font-size: 15px;
    opacity: .86;
}

.footer-links a:hover {
    color: var(--accent-light);
    opacity: 1;
    padding-left: 4px;
}

.footer-info {
    display: grid;
    gap: 10px;
    font-size: 15px;
    opacity: .88;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .14);
}

.footer-bottom .container {
    padding: 19px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 13px;
    color: rgba(255, 255, 255, .62);
}

/* ======================== 响应式 ======================== */
@media (max-width: 1100px) {
    .logo-text {
        font-size: 17px;
    }

    .logo-text small {
        letter-spacing: .16em;
        font-size: 7px;
    }

    .nav-link {
        padding: 8px 11px;
        font-size: 14px;
    }

    .header-cta .btn {
        font-size: 13px;
    }
}

@media (max-width: 900px) {
    .site-header {
        padding-left: 12px;
        padding-right: 12px;
        border-radius: 40px;
    }

    .logo-text {
        max-width: 190px;
        white-space: normal;
    }

    .nav-burger {
        display: flex;
    }

    .header-cta .btn-primary {
        display: none;
    }

    .site-nav {
        position: fixed;
        top: 76px;
        left: 14px;
        right: 14px;
        z-index: 118;
        display: flex;
        flex-direction: column;
        gap: 8px;
        padding: 14px;
        margin: 0;
        background: rgba(255, 253, 247, .96);
        -webkit-backdrop-filter: blur(20px);
        backdrop-filter: blur(20px);
        border: 1px solid var(--line);
        border-radius: 24px;
        box-shadow: 0 24px 48px -20px rgba(13, 57, 51, .4);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-8px);
        pointer-events: none;
        transition: all .3s ease;
    }

    .site-nav.open {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
        pointer-events: auto;
    }

    .site-nav .nav-link {
        width: 100%;
        text-align: center;
        padding: 12px 18px;
    }

    .site-nav .nav-link.active {
        box-shadow: none;
    }

    .page-hero__inner {
        grid-template-columns: 1fr;
        padding: 36px 24px;
    }

    .hero-photo {
        max-width: 560px;
    }

    .hero-photo__inner img {
        height: 240px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .service-matrix {
        grid-template-columns: 1fr;
    }

    .matrix-feature {
        grid-row: auto;
    }

    .scene-grid {
        grid-template-columns: 1fr;
    }

    .scene-photo img {
        max-height: 300px;
    }

    .process-steps {
        grid-template-columns: 1fr 1fr;
    }

    .process-step:nth-child(odd)::after {
        content: "↓";
        position: static;
        display: block;
        margin-top: 12px;
        font-size: 20px;
        text-align: right;
        transform: none;
    }

    .faq-panel {
        grid-template-columns: 1fr;
        gap: 26px;
    }

    .contact-wrap {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }
}

@media (max-width: 640px) {
    .section {
        padding: 73px 0 10px;
    }

    .stats-panel {
        padding: 20px;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    .stat-item {
        display: block;
        padding: 14px;
        border-left: 0;
        border-top: 3px solid var(--primary);
        border-radius: 4px 4px 16px 16px;
    }

    .stat-item:nth-child(even) {
        border-left: 0;
        border-top-color: var(--accent);
    }

    .process-steps {
        grid-template-columns: 1fr;
    }

    .process-step::after {
        display: none;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .home-hero-title {
        font-size: 28px;
    }

    .hero-actions .btn {
        width: 100%;
    }

    .hero-photo__inner img {
        height: auto;
    }

    .page-hero h1 {
        font-size: 31px;
    }

    .contact-form-card {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .site-header {
        top: 8px;
        margin-top: 8px;
        width: calc(100% - 16px);
    }

    .logo-mark {
        width: 36px;
        height: 36px;
        flex-basis: 36px;
        font-size: 18px;
    }

    .logo-text {
        font-size: 15px;
        max-width: 160px;
    }

    .logo-text small {
        font-size: 6.5px;
        letter-spacing: .05em;
    }

    .header-cta .btn-sm {
        display: none;
    }

    .page-hero__inner {
        padding: 34px 20px;
    }

    .page-hero h1 {
        font-size: 28px;
    }

    .hero-photo {
        transform: none;
    }

    .hero-float-badge {
        position: static;
        transform: none;
        margin-top: 12px;
    }

    .stats-value {
        font-size: 24px;
    }

    .matrix-card {
        padding: 20px;
    }

    .faq-side .section-desc {
        max-width: none;
    }

    .contact-copy,
    .contact-form-wrap {
        padding: 22px;
    }
}