/* roulang page: index */
:root{
  --brand:#0E7490;
  --brand-dark:#0B5C70;
  --brand-light:#E6F6FA;
  --accent:#6D5EF5;
  --accent-light:#EEECFE;
  --warm:#F59E0B;
  --warm-light:#FEF3C7;
  --bg:#F7FAFC;
  --white:#FFFFFF;
  --section:#EEF6F8;
  --ink:#0B2A33;
  --text:#0F172A;
  --muted:#475569;
  --border:#D9E6EB;
  --r-card:18px;
  --r-btn:12px;
  --r-pill:999px;
  --shadow:0 8px 30px rgba(15,23,42,.08);
  --shadow-hover:0 18px 44px rgba(14,116,144,.16);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .22s ease,background-color .22s ease,border-color .22s ease;}
a:hover{color:var(--brand-dark);}
h1,h2,h3,h4,h5{font-weight:800;line-height:1.32;color:var(--text);margin:0;letter-spacing:-.01em;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button,input,textarea,select{font-family:inherit;font-size:inherit;}
section[id]{scroll-margin-top:96px;}

.container{width:100%;max-width:1240px;margin:0 auto;padding-left:22px;padding-right:22px;}

/* ============ 导航 ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1040;
  background:rgba(255,255,255,.58);
  -webkit-backdrop-filter:blur(16px) saturate(180%);
  backdrop-filter:blur(16px) saturate(180%);
  border-bottom:1px solid rgba(14,116,144,.14);
  box-shadow:0 8px 30px rgba(15,23,42,.06);
  transition:background-color .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.site-header.is-stuck{
  background:rgba(255,255,255,.94);
  box-shadow:0 12px 34px rgba(15,23,42,.12);
  border-bottom-color:rgba(14,116,144,.18);
}
.nav-shell{
  display:flex;
  align-items:center;
  gap:26px;
  height:72px;
  transition:height .3s ease;
}
.site-header.is-stuck .nav-shell{height:64px;}
.brand{
  display:inline-flex;
  align-items:center;
  gap:11px;
  flex-shrink:0;
  color:var(--text);
}
.brand:hover{color:var(--brand-dark);}
.brand-mark{
  width:38px;height:38px;
  border-radius:11px;
  background:linear-gradient(135deg,var(--brand) 0%,#12A3C4 100%);
  color:#fff;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:16px;
  box-shadow:0 6px 16px rgba(14,116,144,.32);
}
.brand-name{
  font-size:18px;
  font-weight:800;
  letter-spacing:-.01em;
  white-space:nowrap;
}
.nav-main{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
}
.nav-link{
  display:inline-block;
  padding:9px 15px;
  border-radius:10px;
  font-size:15.5px;
  font-weight:600;
  color:#1E3A46;
  white-space:nowrap;
}
.nav-link:hover{background:rgba(14,116,144,.09);color:var(--brand-dark);}
.nav-link.active{color:var(--brand-dark);background: rgba(14,116,144,.12);}
.nav-right{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.btn-brand{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  background:var(--brand);
  color:#fff;
  border:1px solid var(--brand);
  border-radius:var(--r-btn);
  padding:13px 26px;
  font-size:15px;
  font-weight:700;
  line-height:1;
  cursor:pointer;
  transition:transform .22s ease,background-color .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.btn-brand:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(14,116,144,.30);}
.btn-brand:active{transform:translateY(0);}
.btn-brand:focus-visible{outline:3px solid rgba(34,211,238,.40);outline-offset:2px;}
.btn-brand.warm{background:var(--warm);border-color:var(--warm);color:#3A2600;}
.btn-brand.warm:hover{background:#E08C08;border-color:#E08C08;color:#3A2600;}
.btn-sm-brand{padding:10px 20px;font-size:14.5px;}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  background:#fff;
  color:var(--brand);
  border:1px solid rgba(14,116,144,.35);
  border-radius:var(--r-btn);
  padding:13px 26px;
  font-size:15px;
  font-weight:700;
  line-height:1;
  cursor:pointer;
  transition:transform .22s ease,background-color .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.btn-ghost:hover{background:var(--brand-light);color:var(--brand-dark);border-color:var(--brand);transform:translateY(-2px);box-shadow:0 12px 26px rgba(14,116,144,.14);}
.btn-ghost:focus-visible{outline:3px solid rgba(34,211,238,.40);outline-offset:2px;}
.nav-burger{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid rgba(14,116,144,.28);
  background:rgba(255,255,255,.7);
  color:var(--brand-dark);
  font-size:18px;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  transition:background-color .2s ease;
}
.nav-burger:hover{background:var(--brand-light);}
.nav-offcanvas{
  background:rgba(255,255,255,.96);
  -webkit-backdrop-filter:blur(18px) saturate(180%);
  backdrop-filter:blur(18px) saturate(180%);
  width:308px;
}
.nav-offcanvas .offcanvas-header{
  border-bottom:1px solid var(--border);
  padding:18px 22px;
}
.nav-offcanvas .offcanvas-body{padding:18px 22px 30px;}
.m-link{
  display:block;
  padding:14px 16px;
  border-radius:12px;
  font-size:16px;
  font-weight:600;
  color:#1E3A46;
  margin-bottom:6px;
}
.m-link:hover,.m-link.active{background:var(--brand-light);color:var(--brand-dark);}
.m-sep{height:1px;background:var(--border);margin:18px 0;}

/* ============ 首屏 ============ */
.hero{
  position:relative;
  min-height:78vh;
  display:flex;
  align-items:center;
  padding:158px 0 96px;
  background:var(--section);
  overflow:hidden;
}
.hero-bg{
  position:absolute;
  inset:0;
  background-size:cover;
  background-position:center right;
  transform:scale(1.02);
}
.hero-mask{
  position:absolute;
  inset:0;
  background:linear-gradient(100deg,rgba(255,255,255,.97) 0%,rgba(247,250,252,.93) 42%,rgba(230,246,250,.62) 76%,rgba(230,246,250,.35) 100%);
}
.hero-inner{position:relative;z-index:2;width:100%;}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:9px;
  background:rgba(255,255,255,.85);
  border:1px solid rgba(14,116,144,.20);
  color:var(--brand-dark);
  font-size:13.5px;
  font-weight:700;
  padding:8px 16px;
  border-radius:var(--r-pill);
  margin-bottom:22px;
  box-shadow:0 4px 14px rgba(15,23,42,.05);
}
.hero-eyebrow .dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--warm);
  box-shadow:0 0 0 4px rgba(245,158,11,.18);
}
.hero h1{
  font-size:clamp(2rem,4.2vw,3.5rem);
  font-weight:800;
  letter-spacing:-.02em;
  margin-bottom:20px;
  color:#0A2531;
}
.hero h1 .hl{color:var(--brand);}
.hero-sub{
  font-size:17.5px;
  line-height:1.85;
  color:#33505C;
  max-width:600px;
  margin-bottom:32px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-trust{
  display:flex;
  flex-wrap:wrap;
  gap:12px 26px;
  font-size:14.5px;
  color:#3C5A66;
  font-weight:600;
}
.hero-trust span{display:inline-flex;align-items:center;gap:8px;}
.hero-trust i{color:var(--brand);font-size:14px;}

.hero-panel{
  background:rgba(255,255,255,.90);
  border:1px solid rgba(14,116,144,.16);
  border-radius:22px;
  padding:26px 24px;
  box-shadow:0 20px 50px rgba(15,23,42,.12);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
}
.hero-panel__head{
  display:flex;
  align-items:center;
  gap:10px;
  padding-bottom:16px;
  margin-bottom:6px;
  border-bottom:1px solid var(--border);
}
.hero-panel__head h2{font-size:17px;font-weight:800;}
.hero-panel__head .dot{
  width:9px;height:9px;border-radius:50%;
  background:var(--brand);
  box-shadow:0 0 0 4px rgba(14,116,144,.16);
}
.hero-panel__list li + li{border-top:1px solid #EBF3F6;}
.hero-panel__list a{
  display:flex;
  align-items:center;
  gap:14px;
  padding:15px 6px;
  color:var(--text);
  border-radius:12px;
  transition:background-color .2s ease,padding-left .2s ease;
}
.hero-panel__list a:hover{background:var(--brand-light);padding-left:12px;color:var(--text);}
.hero-panel__list .ico{
  width:38px;height:38px;
  flex-shrink:0;
  border-radius:11px;
  background:var(--brand-light);
  color:var(--brand-dark);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:15px;
}
.hero-panel__list strong{display:block;font-size:15.5px;font-weight:800;color:#0A2531;line-height:1.4;}
.hero-panel__list em{display:block;font-style:normal;font-size:13px;color:var(--muted);line-height:1.5;}
.hero-panel__list .arrow{margin-left:auto;color:#9AB6BF;font-size:13px;}

/* ============ 通用板块 ============ */
.section{padding:104px 0;position:relative;}
.section-alt{background:var(--section);}
.section-white{background:var(--white);}
.sec-eyebrow{
  display:inline-block;
  font-size:13px;
  font-weight:800;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--brand);
  background:var(--brand-light);
  padding:6px 14px;
  border-radius:var(--r-pill);
  margin-bottom:18px;
}
.sec-title{
  font-size:clamp(1.6rem,2.6vw,2.4rem);
  margin-bottom:16px;
  color:#0A2531;
}
.sec-desc{font-size:16.5px;color:var(--muted);line-height:1.85;max-width:640px;}
.sec-head{margin-bottom:52px;max-width:760px;}
.sec-head-row{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:26px;
  margin-bottom:46px;
  flex-wrap:wrap;
}
.sticky-side{position:sticky;top:110px;}

/* ============ 服务矩阵 ============ */
.service-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.service-card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--r-card);
  padding:30px 26px;
  box-shadow:var(--shadow);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.service-card:nth-child(even){margin-top:36px;}
.service-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-hover);border-color:rgba(14,116,144,.45);}
.service-card .num{
  display:block;
  font-size:13.5px;
  font-weight:800;
  letter-spacing:.1em;
  color:var(--accent);
  margin-bottom:14px;
}
.service-card .ico{
  width:46px;height:46px;
  border-radius:13px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:18px;
  background:var(--accent-light);
  color:var(--accent);
  margin-bottom:16px;
}
.service-card h3{font-size:19px;margin-bottom:10px;color:#0A2531;}
.service-card p{font-size:15px;color:var(--muted);line-height:1.8;margin-bottom:16px;}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14.5px;
  font-weight:700;
  color:var(--brand);
}
.link-more:hover{gap:10px;color:var(--brand-dark);}

/* ============ 数据 ============ */
.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  background:#fff;
  border:1px solid var(--border);
  border-radius:22px;
  box-shadow:var(--shadow);
  overflow:hidden;
}
.stat-item{
  padding:38px 22px;
  text-align:center;
  border-right:1px solid var(--border);
  transition:background-color .25s ease;
}
.stat-item:last-child{border-right:0;}
.stat-item:hover{background:#F5FBFC;}
.stat-num{
  font-size:clamp(2rem,3.4vw,2.9rem);
  font-weight:800;
  line-height:1.1;
  color:var(--brand);
  letter-spacing:-.02em;
  margin-bottom:8px;
}
.stat-num small{font-size:1rem;font-weight:700;color:var(--accent);margin-left:3px;}
.stat-label{font-size:14px;color:var(--muted);font-weight:600;}

/* ============ 场景案例 ============ */
.case-row{
  display:grid;
  grid-template-columns:1.28fr 1fr;
  gap:24px;
}
.case-main{
  position:relative;
  border-radius:22px;
  overflow:hidden;
  border:1px solid var(--border);
  background:#fff;
  box-shadow:var(--shadow);
  display:flex;
  flex-direction:column;
  transition:transform .3s ease,box-shadow .3s ease;
}
.case-main:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);}
.case-main__media{position:relative;aspect-ratio:16/9;overflow:hidden;}
.case-main__media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.case-main:hover .case-main__media img{transform:scale(1.05);}
.case-body{padding:26px 26px 28px;}
.case-body h3{font-size:21px;margin:14px 0 10px;color:#0A2531;}
.case-body p{font-size:15px;color:var(--muted);line-height:1.8;margin-bottom:16px;}
.case-side{display:grid;gap:20px;align-content:start;}
.case-mini{
  display:flex;
  gap:16px;
  align-items:center;
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--r-card);
  padding:16px;
  box-shadow:var(--shadow);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.case-mini:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:rgba(14,116,144,.42);}
.case-mini img{
  width:104px;height:82px;
  flex-shrink:0;
  object-fit:cover;
  border-radius:12px;
}
.case-mini h4{font-size:16px;margin-bottom:6px;color:#0A2531;line-height:1.5;}
.case-mini p{font-size:13.5px;color:var(--muted);line-height:1.6;margin:0;}
.badge-cat{
  display:inline-block;
  font-size:12.5px;
  font-weight:700;
  color:var(--brand-dark);
  background:var(--brand-light);
  border-radius:var(--r-pill);
  padding:5px 13px;
  letter-spacing:.02em;
}
.badge-cat.purple{background:var(--accent-light);color:#4B3FD0;}
.badge-cat.warm{background:var(--warm-light);color:#92660A;}

/* ============ 最新信息 ============ */
.news-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.news-card{
  display:flex;
  gap:20px;
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--r-card);
  padding:18px;
  box-shadow:var(--shadow);
  color:var(--text);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:rgba(14,116,144,.42);color:var(--text);}
.news-card__cover{
  width:168px;
  flex-shrink:0;
  aspect-ratio:16/10;
  border-radius:14px;
  overflow:hidden;
  background:var(--section);
}
.news-card__cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.news-card:hover .news-card__cover img{transform:scale(1.06);}
.news-card__body{min-width:0;display:flex;flex-direction:column;}
.news-card__body h3{
  font-size:17px;
  margin:10px 0 8px;
  color:#0A2531;
  line-height:1.5;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-card__body p{
  font-size:14px;
  color:var(--muted);
  line-height:1.75;
  margin-bottom:14px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-card__meta{
  margin-top:auto;
  display:flex;
  align-items:center;
  gap:14px;
  font-size:13px;
  color:#7A94A0;
  font-weight:600;
}
.news-card__meta i{margin-right:5px;color:#9AB6BF;}
.cms-empty{
  text-align:center;
  background:#fff;
  border:1px dashed rgba(14,116,144,.35);
  border-radius:22px;
  padding:62px 24px;
  box-shadow:var(--shadow);
}
.cms-empty i{font-size:34px;color:var(--brand);margin-bottom:16px;display:block;}
.cms-empty p{font-size:16px;color:var(--muted);margin-bottom:18px;}

/* ============ 流程路线图 ============ */
.roadmap{
  position:relative;
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:26px;
  padding-top:18px;
}
.roadmap::before{
  content:"";
  position:absolute;
  top:44px;
  left:8%;
  right:8%;
  height:2px;
  background:linear-gradient(90deg,rgba(14,116,144,.55),rgba(14,116,144,.12));
}
.step{position:relative;z-index:1;text-align:center;}
.step__num{
  width:54px;height:54px;
  margin:0 auto 18px;
  border-radius:50%;
  background:#fff;
  border:2px solid var(--brand);
  color:var(--brand);
  font-size:18px;
  font-weight:800;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 10px 24px rgba(14,116,144,.16);
}
.step.is-current .step__num{background:var(--warm);border-color:var(--warm);color:#3A2600;box-shadow:0 10px 24px rgba(245,158,11,.28);}
.step h3{font-size:17px;margin-bottom:10px;color:#0A2531;}
.step p{font-size:14.5px;color:var(--muted);line-height:1.75;margin:0;}

/* ============ FAQ ============ */
.faq-layout{
  display:grid;
  grid-template-columns:0.85fr 1.15fr;
  gap:48px;
  align-items:start;
}
.faq-acc .accordion-item{
  background:#fff;
  border:1px solid var(--border);
  border-radius:14px;
  margin-bottom:14px;
  overflow:hidden;
  box-shadow:0 4px 16px rgba(15,23,42,.05);
}
.faq-acc .accordion-button{
  background:#fff;
  color:#0A2531;
  font-size:16.5px;
  font-weight:700;
  padding:20px 22px;
  box-shadow:none;
  border-radius:0;
  line-height:1.6;
}
.faq-acc .accordion-button:not(.collapsed){
  background:var(--brand-light);
  color:var(--brand-dark);
  box-shadow:inset 3px 0 0 var(--brand);
}
.faq-acc .accordion-button:focus{
  box-shadow:0 0 0 3px rgba(34,211,238,.32);
  border-color:transparent;
  z-index:3;
}
.faq-acc .accordion-button::after{
  content:"+";
  font-size:22px;
  font-weight:400;
  line-height:1;
  color:var(--brand);
  background-image:none;
  width:auto;
  height:auto;
  transform:none;
  margin-left:auto;
  display:flex;
  align-items:center;
  justify-content:center;
}
.faq-acc .accordion-button:not(.collapsed)::after{
  content:"−";
  color:var(--brand-dark);
  background-image:none;
  transform:none;
}
.faq-acc .accordion-body{
  padding:6px 22px 22px;
  font-size:15px;
  line-height:1.9;
  color:var(--muted);
  box-shadow:inset 3px 0 0 var(--brand);
  background:#fff;
}

/* ============ 联系 ============ */
.contact-layout{
  display:grid;
  grid-template-columns:0.9fr 1.1fr;
  gap:40px;
  align-items:start;
}
.contact-info .sec-desc{margin-bottom:30px;}
.info-list li{
  display:flex;
  gap:16px;
  padding:18px 0;
  border-bottom:1px solid var(--border);
}
.info-list li:last-child{border-bottom:0;}
.info-list .ico{
  width:44px;height:44px;
  flex-shrink:0;
  border-radius:13px;
  background:var(--brand-light);
  color:var(--brand-dark);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:17px;
}
.info-list strong{display:block;font-size:15.5px;color:#0A2531;margin-bottom:4px;}
.info-list span{font-size:14.5px;color:var(--muted);line-height:1.7;}
.form-card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:22px;
  padding:34px 32px;
  box-shadow:0 16px 44px rgba(15,23,42,.10);
}
.form-card h3{font-size:21px;margin-bottom:8px;color:#0A2531;}
.form-card .form-tip{font-size:14px;color:var(--muted);margin-bottom:26px;}
.form-label{
  font-size:14.5px;
  font-weight:700;
  color:#28434E;
  margin-bottom:8px;
}
.form-control{
  height:48px;
  padding:0 16px;
  font-size:15px;
  color:var(--text);
  background:#fff;
  border:1px solid var(--border);
  border-radius:12px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.form-control::placeholder{color:#9AB6BF;}
.form-control:focus{
  border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(14,116,144,.14);
  outline:none;
}
textarea.form-control{height:auto;min-height:126px;padding:14px 16px;line-height:1.75;}
.form-check-input{
  width:19px;height:19px;
  margin-top:3px;
  border:1px solid #B9D2DA;
  border-radius:6px;
  cursor:pointer;
}
.form-check-input:checked{background-color:var(--brand);border-color:var(--brand);}
.form-check-input:focus{box-shadow:0 0 0 4px rgba(14,116,144,.16);border-color:var(--brand);}
.form-check-label{font-size:14px;color:var(--muted);line-height:1.7;cursor:pointer;}
.form-msg{
  display:none;
  margin-top:18px;
  font-size:14.5px;
  font-weight:600;
  border-radius:12px;
  padding:13px 18px;
  line-height:1.7;
}
.form-msg.ok{display:block;background:var(--brand-light);color:var(--brand-dark);border:1px solid rgba(14,116,144,.3);}
.form-msg.err{display:block;background:var(--warm-light);color:#92660A;border:1px solid rgba(245,158,11,.4);}
.cta-bar{
  margin-top:56px;
  background:linear-gradient(120deg,#0B5C70 0%,#0E7490 58%,#12869F 100%);
  border-radius:24px;
  padding:44px 46px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:30px;
  flex-wrap:wrap;
  box-shadow:0 22px 50px rgba(11,92,112,.28);
}
.cta-bar h3{color:#fff;font-size:23px;margin-bottom:8px;}
.cta-bar p{color:rgba(255,255,255,.82);font-size:15px;margin:0;}
.cta-bar .btn-brand{background:#fff;border-color:#fff;color:var(--brand-dark);}
.cta-bar .btn-brand:hover{background:var(--warm);border-color:var(--warm);color:#3A2600;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink);
  color:#B9CDD4;
  padding:76px 0 30px;
  font-size:15px;
}
.site-footer .brand-name{color:#fff;font-size:18px;}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.1fr;
  gap:40px;
  padding-bottom:46px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand .brand{color:#fff;margin-bottom:18px;}
.footer-brand p{font-size:14.5px;line-height:1.85;color:#9AB6BF;max-width:340px;}
.footer-col h4{
  color:#fff;
  font-size:15.5px;
  margin-bottom:20px;
  font-weight:800;
}
.footer-col li{margin-bottom:12px;font-size:14.5px;line-height:1.7;color:#9AB6BF;}
.footer-col a{color:#9AB6BF;}
.footer-col a:hover{color:#3FD3E8;}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-top:26px;
  font-size:13.5px;
  color:#7C97A1;
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .case-row{grid-template-columns:1fr;}
  .case-side{grid-template-columns:repeat(3,minmax(0,1fr));}
  .case-mini{flex-direction:column;align-items:flex-start;}
  .case-mini img{width:100%;height:132px;}
}
@media (max-width:991px){
  body{font-size:16px;}
  .nav-main{display:none;}
  .nav-burger{display:inline-flex;}
  .nav-shell{height:64px;gap:14px;}
  .site-header.is-stuck .nav-shell{height:60px;}
  .section{padding:70px 0;}
  .hero{padding:126px 0 68px;min-height:auto;}
  .hero h1{font-size:clamp(1.75rem,6vw,2.4rem);}
  .hero-sub{font-size:16px;}
  .hero-actions{gap:12px;}
  .hero-actions .btn-brand,.hero-actions .btn-ghost{flex:1 1 180px;}
  .hero-panel{margin-top:38px;}
  .service-grid{grid-template-columns:1fr;}
  .service-card:nth-child(even){margin-top:0;}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat-item:nth-child(2){border-right:0;}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--border);}
  .news-grid{grid-template-columns:1fr;}
  .roadmap{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px;}
  .roadmap::before{display:none;}
  .faq-layout{grid-template-columns:1fr;gap:32px;}
  .contact-layout{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .sticky-side{position:static;}
  .cta-bar{padding:34px 28px;}
  .case-side{grid-template-columns:1fr;}
}
@media (max-width:767px){
  .container{padding-left:20px;padding-right:20px;}
  .section{padding:58px 0;}
  .sec-head,.sec-head-row{margin-bottom:34px;}
  .sec-head-row{align-items:flex-start;}
  .news-card{flex-direction:column;gap:14px;}
  .news-card__cover{width:100%;aspect-ratio:16/9;}
  .form-card{padding:26px 20px;}
  .case-body{padding:22px 20px 24px;}
  .stat-item{padding:28px 16px;}
  .cta-bar{border-radius:20px;padding:30px 22px;}
  .cta-bar h3{font-size:20px;}
  .cta-bar .btn-brand{width:100%;}
}
@media (max-width:575px){
  .brand-name{font-size:16px;}
  .brand-mark{width:34px;height:34px;font-size:14px;border-radius:10px;}
  .hero{padding:112px 0 58px;}
  .hero-actions .btn-brand,.hero-actions .btn-ghost{flex:1 1 100%;}
  .hero-trust{gap:10px 18px;font-size:13.5px;}
  .stats-grid{grid-template-columns:1fr;}
  .stat-item{border-right:0;border-bottom:1px solid var(--border);}
  .stat-item:last-child{border-bottom:0;}
  .roadmap{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .hero-panel{padding:20px 18px;}
}

/* roulang page: article */
:root{
  --brand:#0E7490;
  --brand-deep:#0B5C70;
  --brand-soft:#E6F6FA;
  --accent:#6D5EF5;
  --accent-soft:#EFECFE;
  --warm:#F59E0B;
  --bg:#F7FAFC;
  --white:#FFFFFF;
  --section:#EEF6F8;
  --text:#0F172A;
  --muted:#475569;
  --border:#D9E6EB;
  --radius-card:18px;
  --radius-btn:12px;
  --shadow-sm:0 8px 30px rgba(15,23,42,.08);
  --shadow-lg:0 18px 44px rgba(14,116,144,.16);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
a{color:var(--brand);text-decoration:none;transition:color .22s ease,background .22s ease,transform .22s ease}
a:hover{color:var(--brand-deep)}
img{max-width:100%;display:block}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700}
p{margin:0}
ul,ol{padding-left:20px}
button{font-family:inherit}
.container{max-width:1240px;padding-left:20px;padding-right:20px}
:focus-visible{outline:3px solid rgba(34,211,238,.45);outline-offset:2px;border-radius:6px}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1040;
  padding:10px 0;
  background:rgba(255,255,255,.58);
  backdrop-filter:blur(16px) saturate(180%);
  -webkit-backdrop-filter:blur(16px) saturate(180%);
  border-bottom:1px solid rgba(14,116,144,.14);
  box-shadow:0 8px 30px rgba(15,23,42,.06);
  transition:background .3s ease,padding .3s ease,box-shadow .3s ease;
}
.site-header.is-solid{
  background:rgba(255,255,255,.94);
  padding:4px 0;
  box-shadow:0 12px 34px rgba(15,23,42,.12);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:56px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:18px;color:var(--text);white-space:nowrap;letter-spacing:.01em}
.brand:hover{color:var(--brand-deep)}
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex:0 0 38px;
  display:inline-flex;align-items:center;justify-content:center;
  color:#fff;font-size:16px;
  background:linear-gradient(135deg,var(--brand) 0%,var(--accent) 100%);
  box-shadow:0 8px 20px rgba(14,116,144,.28);
}
.nav-main{display:flex;align-items:center;gap:4px}
.nav-link{
  padding:10px 14px;border-radius:10px;font-size:15.5px;font-weight:500;
  color:var(--muted);position:relative;transition:all .22s ease;
}
.nav-link:hover{color:var(--brand-deep);background:rgba(230,246,250,.75)}
.nav-link.active{color:var(--brand-deep);font-weight:700;background:var(--brand-soft)}
.header-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--border);
  background:#fff;color:var(--brand-deep);font-size:18px;cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;transition:all .22s ease;
}
.nav-toggle:hover{background:var(--brand-soft);border-color:rgba(14,116,144,.28)}

/* ---------- buttons ---------- */
.btn{
  border-radius:var(--radius-btn);font-weight:600;padding:12px 26px;font-size:15.5px;
  border:1px solid transparent;transition:all .25s ease;display:inline-flex;
  align-items:center;justify-content:center;gap:8px;line-height:1.5;
}
.btn-brand{background:var(--brand);color:#fff;box-shadow:0 10px 24px rgba(14,116,144,.24)}
.btn-brand:hover,.btn-brand:focus{background:var(--brand-deep);color:#fff;transform:translateY(-2px);box-shadow:0 16px 32px rgba(14,116,144,.3)}
.btn-outline-brand{background:#fff;border-color:var(--brand);color:var(--brand-deep)}
.btn-outline-brand:hover{background:var(--brand-soft);color:var(--brand-deep);transform:translateY(-2px)}
.btn-outline-brand.is-on-hero{background:rgba(255,255,255,.7);backdrop-filter:blur(6px)}
.btn-light-solid{background:#fff;color:var(--brand-deep);font-weight:700}
.btn-light-solid:hover{background:var(--brand-soft);color:var(--brand-deep);transform:translateY(-2px)}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn-ghost-light:hover{background:rgba(255,255,255,.16);color:#fff;transform:translateY(-2px)}
.btn-sm-ghost{padding:9px 18px;font-size:14.5px;background:#fff;border:1px solid var(--border);color:var(--text);border-radius:10px}
.btn-sm-ghost:hover{border-color:var(--brand);color:var(--brand-deep);background:var(--brand-soft)}

/* ---------- badges ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:999px;
  font-size:13px;font-weight:600;line-height:1.6;
  background:var(--brand-soft);color:var(--brand-deep);border:1px solid rgba(14,116,144,.16);
}
.tag-accent{background:var(--accent-soft);color:#4B3FD4;border-color:rgba(109,94,245,.2)}
.tag-warm{background:rgba(245,158,11,.12);color:#A16207;border-color:rgba(245,158,11,.24)}

/* ---------- article hero ---------- */
.article-hero{
  padding:134px 0 42px;
  background:linear-gradient(180deg,#EAF6F9 0%,rgba(247,250,252,0) 100%);
}
.breadcrumb-bar{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);margin-bottom:24px}
.breadcrumb-bar a{color:var(--muted)}
.breadcrumb-bar a:hover{color:var(--brand)}
.breadcrumb-bar .sep{color:#B9CBD3}
.breadcrumb-bar .current{color:var(--brand-deep);font-weight:600}
.hero-head{max-width:940px}
.hero-head .tag{margin-bottom:16px}
.article-title{font-size:clamp(1.72rem,3.6vw,2.75rem);font-weight:800;line-height:1.34;letter-spacing:-.01em;margin:0 0 20px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;font-size:14px;color:var(--muted)}
.meta-item{display:inline-flex;align-items:center;gap:7px}
.meta-item i{color:var(--brand)}

/* ---------- article main ---------- */
.article-main{padding:44px 0 88px}
.article-cover{
  margin:0 0 24px;border-radius:18px;overflow:hidden;
  border:1px solid var(--border);box-shadow:var(--shadow-sm);background:#fff;
}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.article-body{
  background:#fff;border:1px solid var(--border);border-radius:20px;
  padding:44px 48px;box-shadow:var(--shadow-sm);
}
.article-content{font-size:17px;line-height:1.95;color:#1E293B}
.article-content p{margin:0 0 22px}
.article-content h2{
  font-size:1.6rem;font-weight:800;color:var(--text);
  margin:44px 0 18px;padding-left:18px;position:relative;
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:.24em;bottom:.24em;width:5px;border-radius:999px;
  background:linear-gradient(180deg,var(--brand),var(--accent));
}
.article-content h3{font-size:1.22rem;font-weight:700;margin:32px 0 14px;color:var(--brand-deep)}
.article-content h4{font-size:1.05rem;font-weight:700;margin:26px 0 12px}
.article-content ul,.article-content ol{margin:0 0 22px;padding-left:24px}
.article-content li{margin-bottom:10px}
.article-content strong{font-weight:700;color:var(--text)}
.article-content img{border-radius:14px;margin:26px auto;border:1px solid var(--border);height:auto}
.article-content blockquote{
  margin:26px 0;padding:18px 24px;background:var(--brand-soft);
  border-left:4px solid var(--brand);border-radius:0 14px 14px 0;color:#0B3B47;
}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15.5px}
.article-content th,.article-content td{border:1px solid var(--border);padding:12px 14px;text-align:left}
.article-content th{background:var(--section);font-weight:700}
.article-content a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.article-content a:hover{color:var(--brand-deep)}
.article-content hr{border:none;border-top:1px solid var(--border);margin:38px 0}
.article-content code{background:var(--section);border-radius:6px;padding:2px 7px;font-size:15px}

/* ---------- empty state ---------- */
.empty-state{text-align:center;padding:52px 16px}
.empty-state i{font-size:46px;color:var(--brand);opacity:.75;margin-bottom:18px;display:block}
.article-content .empty-state h2{font-size:1.3rem;padding-left:0;margin:0 0 12px}
.article-content .empty-state h2::before{display:none}
.empty-state p{margin:0 0 24px;color:var(--muted);font-size:15.5px}

/* ---------- sidebar ---------- */
.side-sticky{position:sticky;top:96px}
.side-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  padding:26px 26px 24px;box-shadow:var(--shadow-sm);margin-bottom:22px;
  transition:box-shadow .25s ease,border-color .25s ease;
}
.side-card:hover{box-shadow:var(--shadow-lg);border-color:rgba(14,116,144,.24)}
.side-card h3{font-size:17px;font-weight:700;margin:0 0 16px;color:var(--text)}
.side-card-soft{background:linear-gradient(160deg,#F3FBFC 0%,#FFFFFF 100%)}
.side-card p{font-size:14.5px;color:var(--muted);margin:0 0 18px;line-height:1.8}
.info-list{list-style:none;padding:0;margin:0}
.info-list li{display:flex;justify-content:space-between;gap:12px;padding:11px 0;border-bottom:1px dashed var(--border);font-size:14.5px}
.info-list li:last-child{border-bottom:none;padding-bottom:0}
.info-list span{color:var(--muted)}
.info-list strong{color:var(--text);font-weight:600;text-align:right}
.side-links{list-style:none;padding:0;margin:0}
.side-links li+li{margin-top:10px}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 15px;border-radius:12px;background:var(--bg);border:1px solid var(--border);
  font-size:15px;font-weight:500;color:var(--text);transition:all .22s ease;
}
.side-links a i{font-size:12px;color:var(--brand)}
.side-links a:hover{background:var(--brand-soft);border-color:rgba(14,116,144,.3);color:var(--brand-deep);transform:translateX(3px)}

/* ---------- cta band ---------- */
.cta-section{padding:0 0 96px}
.cta-band{
  background:linear-gradient(135deg,var(--brand-deep) 0%,var(--brand) 100%);
  border-radius:22px;padding:48px 46px;color:#fff;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
  box-shadow:0 22px 50px rgba(11,92,112,.26);
}
.cta-band h2{font-size:1.5rem;font-weight:800;margin:0 0 10px;color:#fff}
.cta-band p{font-size:15.5px;color:rgba(255,255,255,.85);max-width:620px;margin:0}
.cta-band-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- offcanvas ---------- */
.offcanvas.mobile-panel{width:302px;background:rgba(255,255,255,.96);backdrop-filter:blur(16px);border-left:1px solid var(--border)}
.mobile-nav-links{display:flex;flex-direction:column;gap:10px;margin-top:6px}
.mobile-nav-links a{
  padding:13px 16px;border-radius:12px;background:var(--bg);border:1px solid var(--border);
  color:var(--text);font-weight:600;font-size:15.5px;display:flex;align-items:center;justify-content:space-between;
}
.mobile-nav-links a:hover{background:var(--brand-soft);border-color:rgba(14,116,144,.28);color:var(--brand-deep)}
.mobile-nav-links a i{font-size:12px;color:var(--brand)}

/* ---------- footer ---------- */
.site-footer{background:#0B2A33;color:#C7DCE2;padding:72px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px}
.site-footer .brand{color:#fff;font-size:18px}
.site-footer .brand:hover{color:#67E8F9}
.footer-brand p{font-size:14.5px;line-height:1.9;color:#9FBEC6;margin-top:16px;max-width:360px}
.footer-col h4{font-size:15.5px;color:#fff;font-weight:700;margin:0 0 16px}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col li{font-size:14.5px;color:#9FBEC6;margin-bottom:11px;line-height:1.75}
.footer-col a{color:#9FBEC6}
.footer-col a:hover{color:#67E8F9}
.footer-bottom{
  margin-top:42px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:13.5px;color:#7FA3AC;
}

/* ---------- responsive ---------- */
@media (max-width:1399.98px){
  .container{max-width:1200px}
}
@media (max-width:1199.98px){
  .article-body{padding:38px 34px}
}
@media (max-width:991.98px){
  .nav-main{display:none}
  .article-hero{padding:112px 0 32px}
  .article-main{padding:34px 0 68px}
  .article-body{padding:30px 24px}
  .article-content{font-size:16.5px}
  .side-sticky{position:static}
  .cta-section{padding:0 0 72px}
  .cta-band{padding:36px 30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:767.98px){
  .article-content h2{font-size:1.35rem}
  .cta-band h2{font-size:1.28rem}
}
@media (max-width:575.98px){
  body{font-size:16px}
  .container{padding-left:18px;padding-right:18px}
  .article-hero{padding:104px 0 26px}
  .article-body{padding:22px 18px;border-radius:16px}
  .article-cover{border-radius:16px}
  .side-card{padding:22px 20px}
  .cta-band{padding:30px 22px;border-radius:18px}
  .cta-band-actions{width:100%}
  .cta-band-actions .btn{flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column}
}

/* roulang page: category1 */
:root{
  --brand:#0E7490;
  --brand-dark:#0B5C70;
  --brand-soft:#E6F6FA;
  --violet:#6D5EF5;
  --violet-soft:#EEECFE;
  --amber:#F59E0B;
  --amber-soft:#FEF3E2;
  --bg:#F7FAFC;
  --surface:#FFFFFF;
  --section-bg:#EEF6F8;
  --ink:#0F172A;
  --muted:#475569;
  --line:#D9E6EB;
  --footer-bg:#0B2A33;
  --radius-card:18px;
  --radius-btn:12px;
  --shadow-sm:0 8px 30px rgba(15,23,42,.08);
  --shadow-lg:0 18px 44px rgba(14,116,144,.16);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:var(--brand-dark);}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
  outline:3px solid rgba(34,211,238,.5);
  outline-offset:2px;
  border-radius:8px;
}
h1,h2,h3,h4,h5{margin:0;font-weight:800;line-height:1.35;color:var(--ink);letter-spacing:.2px;}
p{margin:0 0 1rem;}
ul{margin:0;padding:0;list-style:none;}
.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}

/* ---------- header ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1050;
  background:rgba(255,255,255,.58);
  -webkit-backdrop-filter:blur(16px) saturate(180%);
  backdrop-filter:blur(16px) saturate(180%);
  border-bottom:1px solid rgba(14,116,144,.14);
  box-shadow:0 8px 30px rgba(15,23,42,.06);
  transition:background .28s ease,box-shadow .28s ease,padding .28s ease;
}
.site-header.is-stuck{
  background:rgba(255,255,255,.94);
  box-shadow:0 10px 34px rgba(15,23,42,.12);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  height:72px;
  transition:height .28s ease;
}
.site-header.is-stuck .header-inner{height:64px;}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.brand-mark{
  width:38px;height:38px;
  border-radius:12px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:linear-gradient(135deg,var(--brand) 0%,#12A0BE 100%);
  color:#fff;
  font-size:17px;
  box-shadow:0 8px 18px rgba(14,116,144,.28);
}
.brand-name{
  font-size:19px;
  font-weight:800;
  color:var(--ink);
  letter-spacing:.4px;
  white-space:nowrap;
}
.brand:hover .brand-name{color:var(--brand-dark);}
.nav-main{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
}
.nav-main .nav-link{
  position:relative;
  padding:9px 14px;
  font-size:15.5px;
  font-weight:600;
  color:var(--muted);
  border-radius:10px;
  white-space:nowrap;
}
.nav-main .nav-link:hover{
  color:var(--brand-dark);
  background:rgba(230,246,250,.85);
}
.nav-main .nav-link.active{
  color:#fff;
  background:var(--brand);
  box-shadow:0 8px 20px rgba(14,116,144,.26);
}
.header-actions{display:flex;align-items:center;gap:10px;}
.btn-line{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 18px;
  font-size:15px;
  font-weight:700;
  color:var(--brand-dark);
  background:#fff;
  border:1px solid rgba(14,116,144,.35);
  border-radius:999px;
  transition:transform .22s ease,background .22s ease,box-shadow .22s ease;
}
.btn-line:hover{
  background:var(--brand-soft);
  color:var(--brand-dark);
  transform:translateY(-1px);
  box-shadow:0 10px 24px rgba(14,116,144,.14);
}
.btn-solid{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 20px;
  font-size:15px;
  font-weight:700;
  color:#fff;
  background:var(--brand);
  border:1px solid var(--brand);
  border-radius:999px;
  transition:transform .22s ease,background .22s ease,box-shadow .22s ease;
}
.btn-solid:hover{
  background:var(--brand-dark);
  border-color:var(--brand-dark);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 12px 26px rgba(11,92,112,.28);
}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;
  justify-content:center;
  font-size:19px;
  color:var(--brand-dark);
  background:rgba(255,255,255,.8);
  border:1px solid var(--line);
  border-radius:12px;
  cursor:pointer;
}
.offcanvas.mobile-drawer{
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:blur(16px) saturate(180%);
  backdrop-filter:blur(16px) saturate(180%);
  border-left:1px solid rgba(14,116,144,.16);
  width:min(86vw,340px);
}
.mobile-drawer .drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 20px;
  border-bottom:1px solid var(--line);
}
.drawer-nav{display:flex;flex-direction:column;gap:8px;padding:18px 20px;}
.drawer-nav a{
  padding:12px 14px;
  border-radius:12px;
  font-weight:600;
  color:var(--muted);
  background:#fff;
  border:1px solid var(--line);
}
.drawer-nav a.active{
  color:#fff;background:var(--brand);border-color:var(--brand);
}
.drawer-nav a:hover{color:var(--brand-dark);border-color:rgba(14,116,144,.4);}
.drawer-nav a.active:hover{color:#fff;}

/* ---------- hero ---------- */
.page-hero{
  position:relative;
  min-height:66vh;
  padding:150px 0 76px;
  background-image:linear-gradient(105deg,rgba(247,250,252,.96) 0%,rgba(247,250,252,.86) 42%,rgba(230,246,250,.62) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:48px;
  align-items:center;
}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:var(--muted);
  margin-bottom:18px;
}
.crumb a{color:var(--muted);font-weight:600;}
.crumb a:hover{color:var(--brand);}
.crumb .sep{opacity:.55;}
.crumb .now{color:var(--brand-dark);font-weight:700;}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 16px;
  margin-bottom:20px;
  font-size:13.5px;
  font-weight:700;
  color:var(--brand-dark);
  background:rgba(255,255,255,.86);
  border:1px solid rgba(14,116,144,.24);
  border-radius:999px;
  letter-spacing:.5px;
}
.hero-tag i{color:var(--amber);}
.page-hero h1{
  font-size:clamp(2rem,4.4vw,3.3rem);
  line-height:1.24;
  margin-bottom:18px;
}
.page-hero h1 em{
  font-style:normal;
  color:var(--brand);
}
.hero-sub{
  font-size:17.5px;
  color:var(--muted);
  max-width:620px;
  margin-bottom:26px;
  line-height:1.85;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.btn-primary-c{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:14px 28px;
  font-size:16px;
  font-weight:700;
  color:#fff;
  background:var(--brand);
  border:1px solid var(--brand);
  border-radius:var(--radius-btn);
  box-shadow:0 12px 26px rgba(14,116,144,.24);
  transition:transform .22s ease,background .22s ease,box-shadow .22s ease;
}
.btn-primary-c:hover{
  background:var(--brand-dark);
  border-color:var(--brand-dark);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 18px 34px rgba(11,92,112,.3);
}
.btn-ghost-c{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:14px 28px;
  font-size:16px;
  font-weight:700;
  color:var(--brand-dark);
  background:rgba(255,255,255,.82);
  border:1px solid rgba(14,116,144,.4);
  border-radius:var(--radius-btn);
  transition:transform .22s ease,background .22s ease,border-color .22s ease;
}
.btn-ghost-c:hover{
  background:#fff;
  color:var(--brand-dark);
  border-color:var(--brand);
  transform:translateY(-2px);
}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:7px 14px;
  font-size:13.5px;
  font-weight:600;
  color:var(--brand-dark);
  background:#fff;
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:0 4px 14px rgba(15,23,42,.04);
}
.chip i{font-size:12px;color:var(--brand);}
.chip.violet{color:#4B3FD6;border-color:#DCD8FC;}
.chip.violet i{color:var(--violet);}
.chip.amber{color:#B26A05;border-color:#FBE3BF;}
.chip.amber i{color:var(--amber);}

.hero-panel{
  background:rgba(255,255,255,.9);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border:1px solid rgba(14,116,144,.16);
  border-radius:22px;
  box-shadow:var(--shadow-sm);
  padding:26px 24px;
}
.hero-panel h2{
  font-size:18px;
  margin-bottom:6px;
}
.hero-panel .panel-note{
  font-size:13.5px;
  color:var(--muted);
  margin-bottom:16px;
}
.panel-list li{
  display:flex;
  align-items:flex-start;
  gap:12px;
  padding:12px 0;
  border-top:1px dashed var(--line);
}
.panel-list li:first-child{border-top:0;}
.panel-list .pi{
  flex:0 0 auto;
  width:34px;height:34px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;
  background:var(--brand-soft);
  color:var(--brand-dark);
  font-size:14px;
}
.panel-list .pt{font-size:15px;font-weight:700;color:var(--ink);display:block;}
.panel-list .pd{font-size:13.5px;color:var(--muted);line-height:1.6;}

/* ---------- sections ---------- */
.section{padding:96px 0;}
.section.tight{padding:76px 0;}
.section-alt{background:var(--section-bg);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:46px;}
.section-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13.5px;font-weight:700;letter-spacing:1.2px;
  color:var(--brand);
  text-transform:uppercase;
  margin-bottom:14px;
}
.section-eyebrow::before{
  content:"";width:26px;height:3px;border-radius:3px;background:var(--brand);
}
.section-title{font-size:clamp(1.6rem,2.6vw,2.35rem);margin-bottom:14px;}
.section-desc{font-size:16.5px;color:var(--muted);line-height:1.85;margin:0;}

/* intro strip */
.intro-strip{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px;
}
.intro-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px 24px;
  box-shadow:var(--shadow-sm);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.intro-item:hover{
  transform:translateY(-5px);
  box-shadow:var(--shadow-lg);
  border-color:rgba(14,116,144,.4);
}
.intro-item .ii{
  width:46px;height:46px;
  border-radius:14px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-soft);
  color:var(--brand-dark);
  font-size:18px;
  margin-bottom:16px;
}
.intro-item h3{font-size:19px;margin-bottom:8px;}
.intro-item p{font-size:15px;color:var(--muted);margin:0;line-height:1.8;}

/* service layout */
.svc-layout{
  display:grid;
  grid-template-columns:minmax(0,2.1fr) minmax(0,1fr);
  gap:32px;
  align-items:start;
}
.svc-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.svc-card{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:28px 26px 24px;
  box-shadow:var(--shadow-sm);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
  overflow:hidden;
}
.svc-card::after{
  content:"";
  position:absolute;
  left:0;top:0;
  width:100%;height:4px;
  background:linear-gradient(90deg,var(--brand),#12A0BE);
  opacity:0;
  transition:opacity .26s ease;
}
.svc-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-lg);
  border-color:rgba(14,116,144,.42);
}
.svc-card:hover::after{opacity:1;}
.svc-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.svc-num{
  font-size:14px;
  font-weight:800;
  letter-spacing:1.4px;
  color:var(--brand);
}
.svc-icon{
  width:42px;height:42px;
  border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--violet-soft);
  color:var(--violet);
  font-size:17px;
}
.svc-card h3{font-size:20px;margin-bottom:10px;}
.svc-card p{font-size:15.2px;color:var(--muted);line-height:1.8;margin-bottom:16px;}
.svc-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px;}
.tag{
  display:inline-flex;align-items:center;
  padding:5px 12px;
  font-size:12.5px;
  font-weight:700;
  color:var(--brand-dark);
  background:var(--brand-soft);
  border-radius:999px;
}
.tag.violet{color:#4B3FD6;background:var(--violet-soft);}
.tag.amber{color:#B26A05;background:var(--amber-soft);}
.card-link{
  display:inline-flex;align-items:center;gap:7px;
  font-size:14.5px;font-weight:700;color:var(--brand);
}
.card-link i{transition:transform .22s ease;}
.card-link:hover i{transform:translateX(4px);}

.side-note{
  position:sticky;
  top:96px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);
  padding:26px 24px;
}
.side-note h3{font-size:18px;margin-bottom:12px;}
.side-note p{font-size:14.5px;color:var(--muted);line-height:1.8;}
.side-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14.5px;
  color:var(--muted);
  padding:9px 0;
  border-top:1px dashed var(--line);
}
.side-list li:first-child{border-top:0;padding-top:0;}
.side-list i{color:var(--brand);font-size:13px;margin-top:6px;}
.side-note .side-cta{
  display:block;
  margin-top:18px;
  text-align:center;
  padding:12px 16px;
  border-radius:var(--radius-btn);
  background:var(--brand);
  color:#fff;
  font-weight:700;
  font-size:15px;
  transition:background .22s ease,transform .22s ease;
}
.side-note .side-cta:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);}

/* steps */
.step-rail{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:22px;
  position:relative;
}
.step-card{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:28px 22px 24px;
  box-shadow:var(--shadow-sm);
  transition:transform .26s ease,box-shadow .26s ease;
}
.step-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);}
.step-card::before{
  content:"";
  position:absolute;
  top:52px;right:-22px;
  width:22px;height:2px;
  background:rgba(14,116,144,.35);
}
.step-card:last-child::before{display:none;}
.step-num{
  width:48px;height:48px;
  border-radius:14px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:800;
  color:#fff;
  background:var(--brand);
  box-shadow:0 10px 22px rgba(14,116,144,.24);
  margin-bottom:16px;
}
.step-card.current .step-num{background:var(--amber);box-shadow:0 10px 22px rgba(245,158,11,.3);}
.step-card h3{font-size:18px;margin-bottom:8px;}
.step-card p{font-size:14.5px;color:var(--muted);margin:0;line-height:1.75;}

/* scenes */
.scene-wrap{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:44px;
  align-items:center;
}
.scene-figure{
  border-radius:20px;
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-sm);
  background:#fff;
}
.scene-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11;transition:transform .5s ease;}
.scene-figure:hover img{transform:scale(1.04);}
.scene-list li{
  display:flex;
  gap:14px;
  padding:18px 0;
  border-top:1px solid var(--line);
}
.scene-list li:first-child{border-top:0;padding-top:0;}
.scene-list .si{
  flex:0 0 auto;
  width:38px;height:38px;
  border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-soft);
  color:var(--brand-dark);
  font-size:15px;
}
.scene-list h4{font-size:17px;margin-bottom:6px;}
.scene-list p{font-size:14.8px;color:var(--muted);margin:0;line-height:1.78;}

/* stats */
.stat-row{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:0;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:22px;
  box-shadow:var(--shadow-sm);
  overflow:hidden;
}
.stat-item{
  padding:36px 24px;
  text-align:center;
  border-left:1px solid var(--line);
}
.stat-item:first-child{border-left:0;}
.stat-num{
  font-size:clamp(2rem,3.6vw,3.1rem);
  font-weight:800;
  line-height:1.1;
  color:var(--brand);
  letter-spacing:-1px;
}
.stat-num span{font-size:.55em;font-weight:700;color:var(--violet);margin-left:2px;}
.stat-label{
  margin-top:10px;
  font-size:14px;
  color:var(--muted);
  font-weight:600;
}

/* faq */
.faq-layout{
  display:grid;
  grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);
  gap:44px;
  align-items:start;
}
.faq-intro p{font-size:15.6px;color:var(--muted);line-height:1.85;}
.faq-help{
  margin-top:22px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:20px 20px;
  box-shadow:var(--shadow-sm);
  font-size:14.5px;
  color:var(--muted);
}
.faq-help strong{display:block;color:var(--ink);font-size:15.5px;margin-bottom:6px;}
.accordion-c .accordion-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:16px;
  margin-bottom:14px;
  overflow:hidden;
  box-shadow:0 6px 20px rgba(15,23,42,.05);
  transition:border-color .24s ease,box-shadow .24s ease;
}
.accordion-c .accordion-item:has(.accordion-button:not(.collapsed)){
  border-color:rgba(14,116,144,.45);
  box-shadow:0 14px 34px rgba(14,116,144,.14);
}
.accordion-c .accordion-button{
  background:transparent;
  color:var(--ink);
  font-size:16.5px;
  font-weight:700;
  padding:20px 56px 20px 22px;
  border:0;
  box-shadow:none;
  position:relative;
}
.accordion-c .accordion-button:not(.collapsed){
  color:var(--brand-dark);
  background:rgba(230,246,250,.5);
}
.accordion-c .accordion-button::after{
  display:none;
}
.accordion-c .accordion-button::before{
  content:"\f067";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  position:absolute;
  right:20px;top:50%;
  transform:translateY(-50%);
  width:28px;height:28px;
  display:flex;align-items:center;justify-content:center;
  font-size:12px;
  border-radius:9px;
  color:var(--brand-dark);
  background:var(--brand-soft);
  transition:transform .24s ease,background .24s ease,color .24s ease;
}
.accordion-c .accordion-button:not(.collapsed)::before{
  content:"\f068";
  background:var(--brand);
  color:#fff;
  transform:translateY(-50%) rotate(180deg);
}
.accordion-c .accordion-button:focus{box-shadow:none;}
.accordion-c .accordion-body{
  padding:4px 24px 24px;
  font-size:15.4px;
  color:var(--muted);
  line-height:1.85;
  border-left:3px solid var(--brand);
  margin-left:22px;
  padding-left:20px;
}

/* cta + form */
.cta-band{
  background:linear-gradient(135deg,#0B5C70 0%,#0E7490 62%,#12A0BE 100%);
  border-radius:26px;
  padding:56px 48px;
  color:#fff;
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:32px;
  align-items:center;
  box-shadow:0 24px 60px rgba(11,92,112,.3);
}
.cta-band h2{color:#fff;font-size:clamp(1.5rem,2.4vw,2.1rem);margin-bottom:12px;}
.cta-band p{color:rgba(255,255,255,.86);font-size:16px;margin:0;max-width:660px;line-height:1.85;}
.cta-band .cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.btn-amber{
  display:inline-flex;align-items:center;gap:9px;
  padding:14px 28px;
  font-size:16px;font-weight:700;
  color:#3B2A05;
  background:var(--amber);
  border:1px solid var(--amber);
  border-radius:var(--radius-btn);
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease;
}
.btn-amber:hover{background:#E8900A;color:#3B2A05;transform:translateY(-2px);box-shadow:0 16px 32px rgba(245,158,11,.36);}
.btn-outline-light-c{
  display:inline-flex;align-items:center;gap:9px;
  padding:14px 26px;
  font-size:16px;font-weight:700;
  color:#fff;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.65);
  border-radius:var(--radius-btn);
  transition:background .22s ease,transform .22s ease;
}
.btn-outline-light-c:hover{background:rgba(255,255,255,.24);color:#fff;transform:translateY(-2px);}

.contact-layout{
  display:grid;
  grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);
  gap:40px;
  align-items:start;
}
.contact-info .ci-item{
  display:flex;gap:14px;
  padding:18px 0;
  border-top:1px solid var(--line);
}
.contact-info .ci-item:first-child{border-top:0;padding-top:0;}
.contact-info .ci-icon{
  width:42px;height:42px;
  flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:var(--brand-soft);
  color:var(--brand-dark);
  font-size:16px;
}
.contact-info h4{font-size:16.5px;margin-bottom:5px;}
.contact-info p{font-size:14.6px;color:var(--muted);margin:0;line-height:1.75;}
.form-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:22px;
  box-shadow:var(--shadow-sm);
  padding:34px 32px;
}
.form-card h3{font-size:21px;margin-bottom:8px;}
.form-card .form-tip{font-size:14.4px;color:var(--muted);margin-bottom:22px;}
.form-field{margin-bottom:18px;}
.form-field label{
  display:block;
  font-size:14.5px;
  font-weight:700;
  color:var(--ink);
  margin-bottom:8px;
}
.form-field .req{color:var(--amber);margin-left:4px;}
.form-control-c{
  width:100%;
  height:48px;
  padding:0 16px;
  font-size:15.4px;
  font-family:inherit;
  color:var(--ink);
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  transition:border-color .22s ease,box-shadow .22s ease;
}
textarea.form-control-c{height:auto;min-height:118px;padding:13px 16px;line-height:1.7;resize:vertical;}
.form-control-c::placeholder{color:#94A3B8;}
.form-control-c:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(34,211,238,.18);
}
.check-line{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:14.2px;
  color:var(--muted);
  line-height:1.7;
}
.check-line input{margin-top:5px;width:17px;height:17px;accent-color:var(--brand);}
.form-note{
  font-size:13.4px;
  color:var(--muted);
  background:var(--brand-soft);
  border:1px solid rgba(14,116,144,.2);
  border-radius:12px;
  padding:12px 14px;
  margin-top:18px;
  line-height:1.7;
}
.btn-submit{
  width:100%;
  height:52px;
  margin-top:20px;
  font-size:16.5px;
  font-weight:700;
  color:#fff;
  background:var(--brand);
  border:1px solid var(--brand);
  border-radius:var(--radius-btn);
  cursor:pointer;
  transition:background .22s ease,transform .22s ease,box-shadow .22s ease;
}
.btn-submit:hover{
  background:var(--brand-dark);
  border-color:var(--brand-dark);
  transform:translateY(-2px);
  box-shadow:0 16px 30px rgba(11,92,112,.26);
}

/* footer */
.site-footer{
  background:var(--footer-bg);
  color:#CFE3E8;
  padding:72px 0 32px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,1fr));
  gap:40px;
  padding-bottom:42px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.site-footer .brand-name{color:#fff;}
.site-footer .brand{margin-bottom:16px;}
.footer-brand p{font-size:14.6px;color:#9FBDC5;line-height:1.85;margin:0;max-width:400px;}
.footer-col h4{
  color:#fff;
  font-size:16px;
  margin-bottom:16px;
  font-weight:700;
}
.footer-col ul li{
  font-size:14.6px;
  color:#9FBDC5;
  padding:6px 0;
  line-height:1.7;
}
.footer-col ul li a{color:#9FBDC5;}
.footer-col ul li a:hover{color:#5ED3E8;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  align-items:center;
  padding-top:26px;
  font-size:13.8px;
  color:#8AAAB3;
}

/* responsive */
@media (max-width:1199px){
  .svc-layout{grid-template-columns:minmax(0,1.7fr) minmax(0,1fr);}
  .step-rail{grid-template-columns:repeat(2,minmax(0,1fr));}
  .step-card::before{display:none;}
}
@media (max-width:991px){
  .nav-main,.header-actions .btn-line{display:none;}
  .nav-toggle{display:inline-flex;}
  .page-hero{padding:126px 0 64px;min-height:auto;}
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:34px;}
  .svc-layout{grid-template-columns:minmax(0,1fr);}
  .side-note{position:static;}
  .intro-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
  .scene-wrap{grid-template-columns:minmax(0,1fr);gap:30px;}
  .faq-layout{grid-template-columns:minmax(0,1fr);gap:30px;}
  .contact-layout{grid-template-columns:minmax(0,1fr);gap:30px;}
  .stat-row{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat-item{border-left:1px solid var(--line);}
  .stat-item:nth-child(odd){border-left:0;}
  .stat-item:nth-child(n+3){border-top:1px solid var(--line);}
  .cta-band{grid-template-columns:minmax(0,1fr);padding:44px 32px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  .section{padding:76px 0;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding-left:20px;padding-right:20px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .btn-primary-c,.btn-ghost-c{justify-content:center;}
  .svc-grid{grid-template-columns:minmax(0,1fr);}
  .intro-strip{grid-template-columns:minmax(0,1fr);}
  .step-rail{grid-template-columns:minmax(0,1fr);}
  .form-card{padding:26px 20px;}
  .cta-band{padding:36px 22px;border-radius:20px;}
  .hero-panel{padding:22px 18px;}
  .section{padding:60px 0;}
  .section.tight{padding:56px 0;}
}
@media (max-width:575px){
  .stat-row{grid-template-columns:minmax(0,1fr);}
  .stat-item{border-left:0;border-top:1px solid var(--line);}
  .stat-item:first-child{border-top:0;}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .brand-name{font-size:17px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .accordion-c .accordion-body{margin-left:14px;padding-left:16px;}
}

/* roulang page: category2 */
:root{
  --brand:#0E7490;
  --brand-dark:#0B5C70;
  --brand-light:#E6F6FA;
  --accent:#6D5EF5;
  --accent-light:#EFEDFE;
  --warm:#F59E0B;
  --bg:#F7FAFC;
  --surface:#FFFFFF;
  --section:#EEF6F8;
  --text:#0F172A;
  --muted:#475569;
  --border:#D9E6EB;
  --footer:#0B2A33;
  --radius-card:18px;
  --radius-btn:12px;
  --radius-img:16px;
  --shadow:0 8px 30px rgba(15,23,42,.08);
  --shadow-hover:0 18px 44px rgba(14,116,144,.16);
  --ease:.26s cubic-bezier(.4,0,.2,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",Inter,system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.85;
  font-size:16.5px;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:color var(--ease),background var(--ease)}
a:hover{color:var(--brand)}
img{max-width:100%;display:block}
ul{list-style:none;margin:0;padding:0}
h1,h2,h3,h4{font-weight:800;line-height:1.35;margin:0;letter-spacing:.2px}
p{margin:0 0 14px}
.container{max-width:1240px;padding-left:20px;padding-right:20px}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1040;
  background:rgba(255,255,255,.58);
  -webkit-backdrop-filter:blur(16px) saturate(180%);
  backdrop-filter:blur(16px) saturate(180%);
  border-bottom:1px solid rgba(14,116,144,.14);
  box-shadow:0 8px 30px rgba(15,23,42,.06);
  transition:background var(--ease),box-shadow var(--ease);
}
.site-header.scrolled{background:rgba(255,255,255,.94);box-shadow:0 10px 32px rgba(15,23,42,.12)}
.header-inner{display:flex;align-items:center;gap:22px;height:72px;transition:height var(--ease)}
.site-header.scrolled .header-inner{height:64px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,#0E7490,#6D5EF5);color:#fff;font-size:16px;
  box-shadow:0 8px 18px rgba(14,116,144,.28);
}
.brand-name{font-size:18px;font-weight:800;color:var(--text);letter-spacing:.4px;white-space:nowrap}
.nav-main{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  padding:9px 15px;border-radius:10px;font-size:15.5px;font-weight:500;color:var(--muted);
  transition:color var(--ease),background var(--ease);
}
.nav-link:hover{color:var(--brand);background:rgba(14,116,144,.08)}
.nav-link:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(34,211,238,.35)}
.nav-link.active{color:var(--brand-dark);background:var(--brand-light);font-weight:700}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.menu-toggle{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--border);background:#fff;
  color:var(--brand-dark);display:grid;place-items:center;font-size:17px;
  transition:background var(--ease),border-color var(--ease);
}
.menu-toggle:hover{background:var(--brand-light);border-color:rgba(14,116,144,.3)}
.menu-toggle:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(34,211,238,.35)}

/* buttons */
.btn{border-radius:var(--radius-btn);font-weight:600;transition:all var(--ease);border:1px solid transparent}
.btn.btn-brand{background:var(--brand);color:#fff;border-color:var(--brand);padding:13px 28px;font-size:16px}
.btn.btn-brand:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(14,116,144,.26)}
.btn.btn-brand:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(34,211,238,.35)}
.btn.btn-ghost{background:#fff;color:var(--brand);border-color:rgba(14,116,144,.35);padding:13px 26px;font-size:16px}
.btn.btn-ghost:hover{background:var(--brand-light);border-color:var(--brand);color:var(--brand-dark);transform:translateY(-2px)}
.btn.btn-ghost:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(34,211,238,.35)}
.btn.btn-warm{background:var(--warm);color:#3a2500;border-color:var(--warm);padding:13px 26px;font-size:16px}
.btn.btn-warm:hover{background:#e08c06;border-color:#e08c06;color:#2b1b00;transform:translateY(-2px);box-shadow:0 14px 30px rgba(245,158,11,.28)}
.btn.btn-sm-nav{padding:9px 18px;font-size:14.5px;border-radius:10px}

/* offcanvas nav */
.offcanvas.mobile-nav{
  width:320px;background:rgba(255,255,255,.95);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border-left:1px solid var(--border);
}
.mobile-nav .offcanvas-header{padding:22px 22px 8px;border-bottom:1px solid var(--border)}
.mobile-nav .offcanvas-body{padding:18px 22px 30px}
.mobile-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 16px;border-radius:12px;font-weight:600;color:var(--muted);
  background:#fff;border:1px solid var(--border);margin-bottom:10px;
}
.mobile-link:hover{background:var(--brand-light);color:var(--brand-dark);border-color:rgba(14,116,144,.3)}
.mobile-link.active{background:var(--brand-light);color:var(--brand-dark);border-color:rgba(14,116,144,.35)}
.mobile-note{margin-top:18px;font-size:13.5px;color:var(--muted);line-height:1.8}

/* ---------- hero ---------- */
.hero{
  position:relative;min-height:78vh;display:flex;align-items:center;
  padding:158px 0 96px;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.hero::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(102deg,rgba(247,250,252,.97) 0%,rgba(247,250,252,.9) 42%,rgba(230,246,250,.72) 100%);
}
.hero > .container{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);margin-bottom:22px}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand)}
.crumb i{font-size:10px;opacity:.6}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;background:var(--brand-light);color:var(--brand-dark);
  font-size:13.5px;font-weight:700;padding:7px 16px;border-radius:999px;margin-bottom:20px;
  border:1px solid rgba(14,116,144,.18);
}
.hero h1{
  font-size:clamp(2rem,4.6vw,3.5rem);font-weight:800;line-height:1.28;color:var(--text);margin-bottom:20px;
}
.hero h1 em{font-style:normal;color:var(--brand)}
.hero-lead{font-size:17.5px;color:var(--muted);max-width:600px;line-height:1.9;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px}
.mini-tag{
  font-size:13px;color:var(--brand-dark);background:#fff;border:1px solid var(--border);
  padding:6px 14px;border-radius:999px;
}
.hero-card{
  background:rgba(255,255,255,.84);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border:1px solid rgba(14,116,144,.16);
  border-radius:20px;box-shadow:0 18px 44px rgba(15,23,42,.1);
  padding:26px;
}
.hero-card h3{font-size:18px;margin-bottom:6px}
.hero-card .card-hint{font-size:13.5px;color:var(--muted);margin-bottom:16px}
.hero-list li{
  display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px dashed var(--border);
  font-size:15px;color:var(--text);
}
.hero-list li:last-child{border-bottom:none}
.hero-list i{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:var(--brand-light);color:var(--brand-dark);font-size:14px;flex-shrink:0}
.hero-list .meta{margin-left:auto;font-size:12.5px;color:var(--muted);white-space:nowrap}
.hero-card .more-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--brand);margin-top:14px}

/* ---------- sections ---------- */
.section{padding:100px 0}
.section-alt{background:var(--section)}
.section-head{max-width:740px;margin-bottom:46px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.1em;
  color:var(--brand);background:var(--brand-light);padding:6px 15px;border-radius:999px;
}
.section-title{font-size:clamp(1.6rem,3vw,2.4rem);margin:18px 0 14px;font-weight:800}
.section-sub{color:var(--muted);font-size:16.5px;line-height:1.9;margin:0}

/* stats */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:#fff;border:1px solid var(--border);border-radius:20px;box-shadow:var(--shadow);overflow:hidden}
.stat-item{padding:34px 28px;border-right:1px solid var(--border)}
.stat-item:last-child{border-right:none}
.stat-num{font-size:clamp(2rem,3.2vw,2.9rem);font-weight:800;color:var(--brand);line-height:1.1;letter-spacing:-.5px}
.stat-num span{font-size:.55em;color:var(--accent);margin-left:2px}
.stat-label{font-size:14px;color:var(--muted);margin-top:8px}

/* topic cards */
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.topic-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow);display:flex;flex-direction:column;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.topic-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:rgba(14,116,144,.42)}
.topic-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--section)}
.topic-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.topic-card:hover .topic-thumb img{transform:scale(1.05)}
.topic-badge{
  position:absolute;left:14px;top:14px;font-size:12.5px;font-weight:700;padding:5px 13px;border-radius:999px;
  background:rgba(255,255,255,.92);color:var(--brand-dark);border:1px solid rgba(14,116,144,.2);
}
.topic-badge.accent{color:#4c3fd6;border-color:rgba(109,94,245,.3);background:rgba(239,237,254,.94)}
.topic-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.topic-body h3{font-size:19px;margin-bottom:10px}
.topic-body h3 a:hover{color:var(--brand)}
.topic-desc{font-size:14.8px;color:var(--muted);line-height:1.82;margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.topic-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);padding-top:14px;border-top:1px dashed var(--border)}
.topic-foot .go{font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.topic-card:hover .topic-foot .go i{transform:translateX(3px)}
.topic-foot .go i{transition:transform var(--ease)}

/* tag cloud */
.tag-panel{background:#fff;border:1px solid var(--border);border-radius:20px;box-shadow:var(--shadow);padding:30px}
.tag-list{display:flex;flex-wrap:wrap;gap:11px}
.tag-chip{
  font-size:14px;padding:8px 16px;border-radius:999px;background:var(--bg);border:1px solid var(--border);
  color:var(--muted);transition:all var(--ease);
}
.tag-chip:hover{background:var(--brand-light);color:var(--brand-dark);border-color:rgba(14,116,144,.35);transform:translateY(-2px)}
.tag-chip.hot{background:var(--accent-light);color:#4c3fd6;border-color:rgba(109,94,245,.28)}
.tag-chip.hot:hover{background:#e4e0fd;color:#3b31bf}

/* flow */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;position:relative}
.flow::before{
  content:'';position:absolute;left:6%;right:6%;top:32px;height:2px;
  background:linear-gradient(90deg,rgba(14,116,144,.35),rgba(109,94,245,.35));z-index:0;
}
.flow-step{position:relative;z-index:1;background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);padding:26px 22px;box-shadow:var(--shadow);transition:transform var(--ease),box-shadow var(--ease)}
.flow-step:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
.flow-num{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;font-weight:800;font-size:17px;
  background:var(--brand-light);color:var(--brand-dark);margin-bottom:16px;
}
.flow-step.current .flow-num{background:var(--warm);color:#3a2500}
.flow-step h3{font-size:17.5px;margin-bottom:8px}
.flow-step p{font-size:14.6px;color:var(--muted);margin:0;line-height:1.8}

/* featured list */
.feature-row{
  display:grid;grid-template-columns:1.1fr .9fr;gap:26px;
}
.feature-main{
  background:#fff;border:1px solid var(--border);border-radius:20px;overflow:hidden;box-shadow:var(--shadow);
  display:flex;flex-direction:column;transition:transform var(--ease),box-shadow var(--ease)
}
.feature-main:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
.feature-main .thumb{aspect-ratio:16/9;overflow:hidden}
.feature-main .thumb img{width:100%;height:100%;object-fit:cover}
.feature-main .info{padding:24px}
.feature-main h3{font-size:21px;margin-bottom:10px}
.feature-main p{font-size:15px;color:var(--muted);margin-bottom:14px}
.feature-list{display:flex;flex-direction:column;gap:14px}
.feature-item{
  background:#fff;border:1px solid var(--border);border-radius:16px;padding:18px 20px;
  display:flex;align-items:center;gap:16px;box-shadow:0 4px 16px rgba(15,23,42,.05);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.feature-item:hover{transform:translateX(4px);border-color:rgba(14,116,144,.4);box-shadow:var(--shadow)}
.feature-item .ico{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:var(--brand-light);color:var(--brand-dark);flex-shrink:0}
.feature-item h4{font-size:16px;margin-bottom:4px}
.feature-item .sub{font-size:13px;color:var(--muted)}

/* faq */
.faq-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:44px;align-items:start}
.accordion-item{border:1px solid var(--border);border-radius:16px !important;margin-bottom:14px;overflow:hidden;background:#fff;box-shadow:0 4px 18px rgba(15,23,42,.05)}
.accordion-button{
  font-size:16.5px;font-weight:700;color:var(--text);background:#fff;padding:20px 22px;
  border:none;box-shadow:none !important;
}
.accordion-button:not(.collapsed){background:var(--brand-light);color:var(--brand-dark);border-left:3px solid var(--brand)}
.accordion-button::after{display:none}
.accordion-button .icon-plus{
  width:26px;height:26px;border-radius:8px;display:grid;place-items:center;font-size:12px;
  background:var(--brand-light);color:var(--brand-dark);margin-left:auto;transition:all var(--ease);flex-shrink:0;
}
.accordion-button:not(.collapsed) .icon-plus{background:var(--brand);color:#fff;transform:rotate(180deg)}
.accordion-body{padding:4px 22px 22px;font-size:15.2px;color:var(--muted);line-height:1.9;border-left:3px solid var(--brand-light)}
.accordion-button:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(34,211,238,.35) !important}
.faq-aside{background:#fff;border:1px solid var(--border);border-radius:20px;padding:28px;box-shadow:var(--shadow)}
.faq-aside h3{font-size:19px;margin-bottom:12px}
.faq-aside p{font-size:15px;color:var(--muted)}
.faq-aside .line{height:1px;background:var(--border);margin:20px 0}
.faq-aside ul li{display:flex;gap:10px;font-size:14.6px;color:var(--muted);margin-bottom:12px}
.faq-aside ul li i{color:var(--brand);margin-top:5px;font-size:13px}

/* cta + form */
.cta-panel{
  background:linear-gradient(120deg,#0B5C70 0%,#0E7490 58%,#2a7f9c 100%);
  border-radius:26px;padding:52px;color:#fff;
  display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start;
  box-shadow:0 24px 60px rgba(11,92,112,.28);
}
.cta-panel h2{font-size:clamp(1.5rem,2.6vw,2.1rem);color:#fff;margin-bottom:14px}
.cta-panel p{color:rgba(255,255,255,.86);font-size:15.6px}
.cta-points{margin-top:22px}
.cta-points li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:rgba(255,255,255,.92);margin-bottom:14px}
.cta-points i{color:var(--warm);margin-top:5px}
.form-card{background:#fff;border-radius:20px;padding:30px;color:var(--text);box-shadow:0 18px 40px rgba(4,32,40,.22)}
.form-card h3{font-size:19px;margin-bottom:6px}
.form-card .hint{font-size:13.6px;color:var(--muted);margin-bottom:20px}
.form-label{font-size:14px;font-weight:600;color:var(--text);margin-bottom:7px}
.form-control,.form-select{
  border-radius:12px;border:1px solid var(--border);padding:12px 15px;font-size:15px;height:48px;
  background:#fff;color:var(--text);transition:border-color var(--ease),box-shadow var(--ease);
}
textarea.form-control{height:auto;min-height:112px;resize:vertical}
.form-control:focus,.form-select:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(34,211,238,.25);outline:none}
.form-control::placeholder{color:#94a3b8}
.form-check-input{border-color:#b9ccd4}
.form-check-input:checked{background-color:var(--brand);border-color:var(--brand)}
.form-check-input:focus{box-shadow:0 0 0 3px rgba(34,211,238,.3);border-color:var(--brand)}
.form-check-label{font-size:13.6px;color:var(--muted)}
.form-msg{margin-top:14px;font-size:14px;border-radius:12px;padding:11px 15px;display:none}
.form-msg.ok{display:block;background:var(--brand-light);color:var(--brand-dark);border:1px solid rgba(14,116,144,.3)}
.form-msg.err{display:block;background:#FEF3E2;color:#9a5b00;border:1px solid rgba(245,158,11,.4)}

/* footer */
.site-footer{background:var(--footer);color:rgba(233,244,247,.82);padding:70px 0 30px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:38px}
.site-footer .brand{margin-bottom:16px}
.site-footer .brand-name{color:#fff}
.site-footer .brand-mark{background:linear-gradient(135deg,#22d3ee,#6D5EF5)}
.footer-brand p{font-size:14.5px;line-height:1.9;color:rgba(233,244,247,.72);max-width:340px}
.footer-col h4{font-size:15.5px;color:#fff;margin-bottom:16px;letter-spacing:.4px}
.footer-col ul li{font-size:14.4px;color:rgba(233,244,247,.72);margin-bottom:11px;line-height:1.75}
.footer-col ul li a:hover{color:#67e8f9}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13.4px;color:rgba(233,244,247,.6);
}

/* responsive */
@media (max-width:1199.98px){
  .nav-link{padding:9px 11px;font-size:15px}
  .topic-grid{gap:22px}
}
@media (max-width:991.98px){
  .nav-main{display:none}
  .hero{padding:130px 0 78px;min-height:auto}
  .hero-lead{max-width:100%}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .stat-item:nth-child(2){border-right:none}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--border)}
  .topic-grid{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(2,1fr)}
  .flow::before{display:none}
  .feature-row{grid-template-columns:1fr}
  .faq-wrap{grid-template-columns:1fr;gap:30px}
  .cta-panel{grid-template-columns:1fr;padding:38px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:30px}
  .section{padding:76px 0}
}
@media (max-width:767.98px){
  body{font-size:16px}
  .hero h1{font-size:1.95rem}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .topic-grid{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr}
  .stat-strip{grid-template-columns:1fr}
  .stat-item{border-right:none;border-bottom:1px solid var(--border);padding:24px 22px}
  .stat-item:last-child{border-bottom:none}
  .section{padding:60px 0}
  .section-head{margin-bottom:32px}
  .cta-panel{padding:28px 22px;border-radius:20px}
  .form-card{padding:22px}
  .footer-grid{grid-template-columns:1fr}
  .container{padding-left:18px;padding-right:18px}
  .brand-name{font-size:16.5px}
}
@media (max-width:520px){
  .hero{padding:120px 0 62px}
  .tag-panel{padding:22px}
  .feature-item{flex-direction:row;align-items:flex-start}
}

/* roulang page: category3 */
:root{
  --primary:#0E7490;
  --primary-dark:#0B5C70;
  --primary-light:#E6F6FA;
  --violet:#6D5EF5;
  --violet-light:#EFEDFE;
  --amber:#F59E0B;
  --amber-light:#FEF3E2;
  --bg:#F7FAFC;
  --surface:#FFFFFF;
  --section:#EEF6F8;
  --footer:#0B2A33;
  --text:#0F172A;
  --muted:#475569;
  --border:#D9E6EB;
  --radius-card:18px;
  --radius-btn:12px;
  --shadow:0 8px 30px rgba(15,23,42,.08);
  --shadow-hover:0 18px 44px rgba(14,116,144,.16);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  background:var(--bg);
  color:var(--text);
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:none;transition:color .22s ease}
a:hover{color:var(--primary-dark)}
button,input,textarea,select{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{font-weight:800;line-height:1.3;margin:0;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(34,211,238,.45);outline-offset:2px}
.container{max-width:1240px;padding-left:20px;padding-right:20px}
@media (min-width:1200px){.container{max-width:1240px}}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1040;
  transition:background .3s ease,box-shadow .3s ease,border-color .3s ease,backdrop-filter .3s ease;
  background:rgba(255,255,255,.58);
  backdrop-filter:blur(16px) saturate(180%);
  -webkit-backdrop-filter:blur(16px) saturate(180%);
  border-bottom:1px solid rgba(14,116,144,.14);
  box-shadow:0 8px 30px rgba(15,23,42,.06);
}
.site-header.scrolled{
  background:rgba(255,255,255,.94);
  border-bottom-color:rgba(14,116,144,.18);
  box-shadow:0 10px 34px rgba(15,23,42,.12);
}
.header-inner{
  height:72px;display:flex;align-items:center;gap:28px;
  transition:height .3s ease;
}
.site-header.scrolled .header-inner{height:64px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--primary) 0%,#22B8CF 100%);
  color:#fff;font-size:17px;box-shadow:0 8px 18px rgba(14,116,144,.28);
}
.brand-name{font-size:19px;font-weight:800;color:var(--text);letter-spacing:-.02em;white-space:nowrap}
.nav-main{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  position:relative;display:inline-block;padding:9px 15px;border-radius:10px;
  font-size:15.5px;font-weight:600;color:var(--muted);transition:all .22s ease;
}
.nav-link:hover{color:var(--primary);background:rgba(230,246,250,.9)}
.nav-link.active{color:var(--primary-dark);background:var(--primary-light)}
.nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:18px;height:3px;border-radius:999px;background:var(--primary);
}
.header-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 20px;border-radius:var(--radius-btn);
  background:var(--primary);color:#fff;font-size:15px;font-weight:700;
  box-shadow:0 10px 22px rgba(14,116,144,.24);white-space:nowrap;
}
.header-cta:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px)}
.nav-toggle{
  margin-left:auto;width:44px;height:44px;border-radius:12px;border:1px solid var(--border);
  background:rgba(255,255,255,.8);color:var(--primary-dark);font-size:18px;
  display:none;align-items:center;justify-content:center;
}
.offcanvas{background:rgba(255,255,255,.96);backdrop-filter:blur(16px)}
.offcanvas .nav-link{display:block;padding:14px 16px;font-size:17px;margin-bottom:6px}
@media (max-width:991.98px){
  .nav-main,.header-cta{display:none}
  .nav-toggle{display:inline-flex}
}

/* ============ 按钮 ============ */
.btn-main,.btn-ghost,.btn-amber{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:var(--radius-btn);font-size:16px;font-weight:700;
  border:1px solid transparent;cursor:pointer;transition:all .24s ease;
}
.btn-main{background:var(--primary);color:#fff;box-shadow:0 12px 26px rgba(14,116,144,.26)}
.btn-main:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(14,116,144,.32)}
.btn-ghost{background:#fff;color:var(--primary-dark);border-color:var(--border);box-shadow:var(--shadow)}
.btn-ghost:hover{background:var(--primary-light);border-color:rgba(14,116,144,.4);transform:translateY(-2px)}
.btn-amber{background:var(--amber);color:#3B2404;box-shadow:0 12px 26px rgba(245,158,11,.3)}
.btn-amber:hover{background:#E08C09;color:#3B2404;transform:translateY(-2px)}

/* ============ Hero ============ */
.hero{
  position:relative;min-height:78vh;display:flex;align-items:center;
  padding:150px 0 90px;
  background-image:linear-gradient(100deg,rgba(247,250,252,.97) 0%,rgba(247,250,252,.88) 42%,rgba(238,246,248,.62) 72%,rgba(230,246,250,.5) 100%),
                   url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center right;background-repeat:no-repeat;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;padding:8px 16px;border-radius:999px;
  background:var(--violet-light);color:#4B3FD0;font-size:13.5px;font-weight:700;letter-spacing:.02em;
}
.hero h1{
  font-size:clamp(2rem,4.4vw,3.4rem);font-weight:800;margin:22px 0 18px;max-width:15em;
}
.hero h1 .hl{
  background:linear-gradient(180deg,transparent 62%,rgba(34,211,238,.35) 62%);
  padding:0 4px;border-radius:4px;
}
.hero-sub{font-size:18px;color:var(--muted);max-width:33em;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.hero-facts{display:flex;flex-wrap:wrap;gap:14px}
.fact-chip{
  display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.86);
  border:1px solid var(--border);border-radius:999px;padding:8px 16px;
  font-size:14px;font-weight:600;color:var(--muted);box-shadow:0 6px 18px rgba(15,23,42,.05);
}
.fact-chip i{color:var(--primary);font-size:14px}
.hero-card{
  background:rgba(255,255,255,.9);border:1px solid rgba(14,116,144,.16);
  border-radius:20px;padding:28px;box-shadow:0 18px 46px rgba(15,23,42,.1);
}
.hero-card h3{font-size:19px;margin-bottom:6px}
.hero-card .card-note{font-size:14px;color:var(--muted);margin-bottom:18px}
.step-mini{display:flex;gap:14px;padding:13px 0;border-bottom:1px dashed var(--border)}
.step-mini:last-of-type{border-bottom:0}
.step-mini .num{
  flex:0 0 34px;height:34px;border-radius:10px;background:var(--primary-light);color:var(--primary-dark);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px;
}
.step-mini .txt strong{display:block;font-size:15.5px;font-weight:700;color:var(--text)}
.step-mini .txt span{font-size:14px;color:var(--muted)}
@media (max-width:991.98px){
  .hero{padding:120px 0 70px;min-height:auto;background-image:linear-gradient(180deg,rgba(247,250,252,.97) 0%,rgba(238,246,248,.9) 100%),url('/assets/images/backpic/back-3.png')}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%}
}

/* ============ 通用板块 ============ */
.section{padding:96px 0}
.section-alt{background:var(--section)}
.section-white{background:var(--surface)}
.sec-head{max-width:760px;margin-bottom:52px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:700;
  color:var(--primary-dark);background:var(--primary-light);border-radius:999px;padding:7px 15px;margin-bottom:16px;
}
.sec-head h2{font-size:clamp(1.65rem,2.6vw,2.35rem);margin-bottom:14px}
.sec-head p{color:var(--muted);font-size:16.5px}
@media (max-width:767.98px){.section{padding:62px 0}.sec-head{margin-bottom:34px}}

/* ============ 导语 / 概览 ============ */
.intro-panel{
  background:var(--surface);border:1px solid var(--border);border-radius:22px;
  padding:40px;box-shadow:var(--shadow);
}
.intro-panel p+p{margin-top:14px}
.intro-list li{position:relative;padding-left:26px;margin-top:12px;color:var(--muted);font-size:15.5px}
.intro-list li::before{
  content:"";position:absolute;left:0;top:11px;width:9px;height:9px;border-radius:3px;
  background:var(--primary);transform:rotate(45deg);
}
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:38px;border-top:1px solid var(--border);padding-top:30px}
.stat-item{padding:0 22px;border-right:1px solid var(--border)}
.stat-item:last-child{border-right:0}
.stat-num{font-size:clamp(2rem,3.4vw,2.9rem);font-weight:800;color:var(--primary-dark);line-height:1.1}
.stat-num span{font-size:1.1rem;color:var(--primary);margin-left:2px}
.stat-label{font-size:14px;color:var(--muted);margin-top:6px}
@media (max-width:767.98px){
  .intro-panel{padding:26px}
  .stat-row{grid-template-columns:repeat(2,1fr);gap:24px 0}
  .stat-item{border-right:0;padding:0 8px}
}

/* ============ 图文交替 ============ */
.zigzag{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.zigzag+.zigzag{margin-top:78px}
.zigzag.reverse .zz-media{order:2}
.zigzag.reverse .zz-body{order:1}
.zz-media{position:relative;border-radius:20px;overflow:hidden;box-shadow:var(--shadow-hover)}
.zz-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s ease}
.zz-media:hover img{transform:scale(1.04)}
.zz-media .tag{
  position:absolute;left:16px;top:16px;padding:7px 14px;border-radius:999px;
  background:rgba(255,255,255,.92);color:var(--primary-dark);font-size:13px;font-weight:700;
  box-shadow:0 8px 20px rgba(15,23,42,.12);
}
.zz-index{font-size:14px;font-weight:800;color:var(--violet);letter-spacing:.16em;margin-bottom:12px;display:block}
.zz-body h3{font-size:23px;margin-bottom:14px}
.zz-body p{color:var(--muted);font-size:16px}
.zz-points{margin-top:18px}
.zz-points li{display:flex;gap:11px;align-items:flex-start;font-size:15.5px;color:var(--text);margin-bottom:10px}
.zz-points li i{color:var(--primary);margin-top:6px;font-size:13px}
@media (max-width:991.98px){
  .zigzag{grid-template-columns:1fr;gap:26px}
  .zigzag.reverse .zz-media,.zigzag.reverse .zz-body{order:initial}
  .zigzag+.zigzag{margin-top:52px}
}

/* ============ 时间线 ============ */
.timeline{position:relative;margin-top:52px;padding-left:0}
.timeline::before{
  content:"";position:absolute;left:23px;top:12px;bottom:12px;width:2px;
  background:linear-gradient(180deg,var(--primary) 0%,rgba(14,116,144,.15) 100%);
}
.tl-item{position:relative;padding:0 0 34px 72px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{
  position:absolute;left:0;top:0;width:48px;height:48px;border-radius:16px;
  background:#fff;border:2px solid rgba(14,116,144,.28);color:var(--primary-dark);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;
  box-shadow:0 8px 20px rgba(15,23,42,.08);z-index:1;
}
.tl-item.now .tl-dot{background:var(--amber);border-color:var(--amber);color:#3B2404}
.tl-card{
  background:var(--surface);border:1px solid var(--border);border-radius:16px;
  padding:22px 24px;box-shadow:var(--shadow);transition:all .26s ease;
}
.tl-card:hover{transform:translateY(-4px);border-color:rgba(14,116,144,.36);box-shadow:var(--shadow-hover)}
.tl-card h3{font-size:18px;margin-bottom:8px}
.tl-card p{font-size:15.5px;color:var(--muted)}
.tl-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.tl-meta span{
  font-size:13px;font-weight:600;color:var(--primary-dark);background:var(--primary-light);
  border-radius:999px;padding:5px 12px;
}
@media (max-width:767.98px){
  .timeline::before{left:19px}
  .tl-item{padding-left:58px}
  .tl-dot{width:40px;height:40px;font-size:14px;border-radius:13px}
}

/* ============ 场景卡 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.scene-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:28px;box-shadow:var(--shadow);transition:all .26s ease;height:100%;
}
.scene-card:hover{transform:translateY(-5px);border-color:rgba(14,116,144,.34);box-shadow:var(--shadow-hover)}
.scene-card .icon{
  width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  font-size:19px;margin-bottom:16px;background:var(--primary-light);color:var(--primary-dark);
}
.scene-card.violet .icon{background:var(--violet-light);color:#4B3FD0}
.scene-card.amber .icon{background:var(--amber-light);color:#B26A00}
.scene-card h3{font-size:18.5px;margin-bottom:10px}
.scene-card p{font-size:15.5px;color:var(--muted)}
@media (max-width:767.98px){.scene-grid{grid-template-columns:1fr}}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:340px 1fr;gap:52px;align-items:start}
.faq-aside{position:sticky;top:110px}
.faq-aside h2{font-size:clamp(1.6rem,2.5vw,2.2rem);margin-bottom:14px}
.faq-aside p{color:var(--muted);font-size:16px}
.faq-aside .btn-ghost{margin-top:20px}
.accordion-item{
  border:1px solid var(--border) !important;border-radius:16px !important;
  margin-bottom:14px;overflow:hidden;background:var(--surface);
  box-shadow:0 4px 16px rgba(15,23,42,.05);
}
.accordion-button{
  background:var(--surface);color:var(--text);font-weight:700;font-size:16.5px;
  padding:20px 22px;border-radius:16px !important;box-shadow:none !important;
}
.accordion-button:not(.collapsed){background:var(--primary-light);color:var(--primary-dark)}
.accordion-button::after{
  content:"+";background-image:none;font-size:22px;font-weight:700;color:var(--primary);
  width:28px;height:28px;line-height:24px;text-align:center;transform:none;
  border-radius:999px;background:rgba(14,116,144,.1);
}
.accordion-button:not(.collapsed)::after{content:"–";transform:none;background:rgba(14,116,144,.18)}
.accordion-body{padding:4px 22px 22px;color:var(--muted);font-size:15.5px;border-left:3px solid var(--primary);margin-left:22px}
@media (max-width:991.98px){
  .faq-wrap{grid-template-columns:1fr;gap:26px}
  .faq-aside{position:static}
}

/* ============ CTA ============ */
.cta-band{
  background:linear-gradient(120deg,#0B5C70 0%,#0E7490 55%,#1387A6 100%);
  border-radius:24px;padding:52px;color:#fff;position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-70px;bottom:-90px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(245,158,11,.35) 0%,rgba(245,158,11,0) 70%);
}
.cta-band h2{font-size:clamp(1.5rem,2.4vw,2.1rem);color:#fff;margin-bottom:12px}
.cta-band p{color:rgba(255,255,255,.86);max-width:46em}
.cta-band .btn-amber{position:relative;z-index:1}
.cta-band .btn-ghost{position:relative;z-index:1;background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.38);box-shadow:none}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.24);color:#fff}
@media (max-width:767.98px){.cta-band{padding:32px 24px}}

/* ============ 页脚 ============ */
.site-footer{background:var(--footer);color:#C7DCE2;padding:72px 0 30px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand .brand-name{color:#fff;font-size:19px}
.footer-brand .brand-mark{background:linear-gradient(135deg,#22B8CF 0%,#0E7490 100%)}
.footer-brand p{font-size:14.5px;color:#9EBCC5;line-height:1.85}
.footer-col h4{font-size:16px;color:#fff;margin-bottom:16px;font-weight:700}
.footer-col ul li{font-size:14.5px;color:#9EBCC5;margin-bottom:11px;line-height:1.7}
.footer-col ul li a{color:#9EBCC5}
.footer-col ul li a:hover{color:#3FD3E8}
.footer-bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13.5px;color:#84A6B0;
}
@media (max-width:991.98px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:575.98px){
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
}
/* 面包屑 */
.crumb{font-size:13.5px;color:var(--muted);padding:96px 0 0;position:relative;z-index:2}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--primary)}
.crumb .sep{margin:0 8px;color:#9CB3BC}
.crumb .cat-badge{
  display:inline-block;background:var(--primary-light);color:var(--primary-dark);
  border-radius:999px;padding:3px 12px;font-weight:700;font-size:13px;
}

/* roulang page: category4 */
:root{
  --brand:#0E7490;
  --brand-dark:#0B5C70;
  --brand-light:#E6F6FA;
  --violet:#6D5EF5;
  --violet-light:#EFEDFE;
  --amber:#F59E0B;
  --amber-light:#FEF3E2;
  --bg:#F7FAFC;
  --surface:#FFFFFF;
  --bg-soft:#EEF6F8;
  --text:#0F172A;
  --muted:#475569;
  --border:#D9E6EB;
  --r-card:18px;
  --r-btn:12px;
  --r-pill:999px;
  --sh:0 8px 30px rgba(15,23,42,.08);
  --sh-hover:0 18px 44px rgba(14,116,144,.16);
  --nav-h:72px;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:var(--brand-dark);}
h1,h2,h3,h4{margin:0 0 .6em;font-weight:800;line-height:1.28;letter-spacing:-.01em;}
p{margin:0 0 1em;color:var(--muted);}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(34,211,238,.45);outline-offset:2px;border-radius:8px;}

.container-x{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}

/* ---------- 按钮 ---------- */
.btn-brand,.btn-ghost,.btn-amber{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:16px;font-weight:600;padding:13px 26px;border-radius:var(--r-btn);
  border:1px solid transparent;cursor:pointer;transition:transform .22s ease,background .22s ease,box-shadow .22s ease,color .22s ease;
}
.btn-brand{background:var(--brand);color:#fff;box-shadow:0 10px 24px rgba(14,116,144,.24);}
.btn-brand:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 16px 32px rgba(11,92,112,.28);}
.btn-ghost{background:#fff;color:var(--brand-dark);border-color:rgba(14,116,144,.32);}
.btn-ghost:hover{background:var(--brand-light);color:var(--brand-dark);transform:translateY(-2px);}
.btn-amber{background:var(--amber);color:#3b2400;}
.btn-amber:hover{background:#e08c07;color:#3b2400;transform:translateY(-2px);}
.btn-sm-x{padding:10px 20px;font-size:15px;}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1040;
  height:var(--nav-h);
  display:flex;align-items:center;
  background:rgba(255,255,255,.58);
  backdrop-filter:blur(16px) saturate(180%);
  -webkit-backdrop-filter:blur(16px) saturate(180%);
  border-bottom:1px solid rgba(14,116,144,.14);
  box-shadow:0 8px 30px rgba(15,23,42,.06);
  transition:height .28s ease,background .28s ease,box-shadow .28s ease;
}
.site-header.is-scrolled{
  height:64px;
  background:rgba(255,255,255,.94);
  box-shadow:0 12px 34px rgba(15,23,42,.12);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:var(--text);letter-spacing:-.02em;}
.brand:hover{color:var(--brand-dark);}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--brand),#22D3EE);color:#fff;font-size:17px;
  box-shadow:0 8px 18px rgba(14,116,144,.28);flex:0 0 auto;
}
.brand-name{white-space:nowrap;}
.nav-main{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;display:inline-block;padding:9px 15px;border-radius:var(--r-pill);
  font-size:15.5px;font-weight:500;color:#1e3440;transition:background .2s ease,color .2s ease;
}
.nav-link:hover{background:rgba(14,116,144,.09);color:var(--brand-dark);}
.nav-link.active{background:var(--brand);color:#fff;font-weight:600;box-shadow:0 8px 18px rgba(14,116,144,.24);}
.header-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  width:44px;height:44px;border-radius:12px;border:1px solid rgba(14,116,144,.22);
  background:rgba(255,255,255,.8);color:var(--brand-dark);font-size:18px;
  display:inline-flex;align-items:center;justify-content:center;
}
.nav-toggle:hover{background:var(--brand-light);}
.offcanvas.mobile-nav{
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(18px) saturate(180%);
  border-left:1px solid rgba(14,116,144,.14);
}
.mobile-nav .offcanvas-header{border-bottom:1px solid var(--border);}
.mobile-nav .nav-link{display:block;padding:13px 16px;font-size:16px;border-radius:12px;margin-bottom:6px;}
.mobile-nav .nav-link.active{background:var(--brand);color:#fff;}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:#5c7480;margin-bottom:20px;}
.crumb a{color:#5c7480;}
.crumb a:hover{color:var(--brand-dark);}
.crumb span.sep{opacity:.55;}
.crumb .now{color:var(--brand-dark);font-weight:600;}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  padding:calc(var(--nav-h) + 66px) 0 84px;
  background:url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(104deg,rgba(247,250,252,.97) 0%,rgba(247,250,252,.9) 44%,rgba(230,246,250,.72) 100%);
}
.page-hero .container-x{position:relative;z-index:1;}
.hero-grid{display:grid;grid-template-columns:1.55fr 1fr;gap:48px;align-items:center;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:var(--r-pill);
  background:var(--violet-light);color:#4a3ed0;font-size:13.5px;font-weight:600;margin-bottom:18px;
}
.hero-tag i{font-size:12px;}
.page-hero h1{
  font-size:clamp(2rem,4.4vw,3.4rem);
  font-weight:800;margin-bottom:18px;color:var(--text);
}
.page-hero h1 .hl{
  background:linear-gradient(180deg,transparent 66%,rgba(245,158,11,.42) 66%);
  padding:0 2px;
}
.hero-lead{font-size:18px;line-height:1.85;color:#3b5460;max-width:660px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.hero-facts{display:flex;flex-wrap:wrap;gap:14px 30px;}
.hero-facts li{font-size:14.5px;color:#3b5460;display:flex;align-items:center;gap:8px;}
.hero-facts i{color:var(--brand);font-size:14px;}

.hero-card{
  background:rgba(255,255,255,.86);
  border:1px solid var(--border);
  border-radius:22px;
  padding:30px 28px;
  box-shadow:var(--sh);
  backdrop-filter:blur(10px);
}
.hero-card h3{font-size:19px;margin-bottom:4px;}
.hero-card .sub{font-size:13.5px;color:var(--muted);margin-bottom:18px;}
.hero-list li{
  display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-bottom:1px dashed var(--border);
  font-size:15px;color:#33495a;
}
.hero-list li:last-child{border-bottom:0;}
.hero-list .ic{
  width:32px;height:32px;border-radius:10px;flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-light);color:var(--brand-dark);font-size:14px;
}
.hero-card .btn-brand{width:100%;margin-top:18px;}

/* ---------- 通用板块 ---------- */
.section{padding:100px 0;}
.section.tight{padding:78px 0;}
.section-alt{background:var(--bg-soft);}
.section-head{max-width:760px;margin-bottom:52px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  color:var(--brand);margin-bottom:12px;
}
.section-head h2{font-size:clamp(1.6rem,2.6vw,2.4rem);}
.section-head p{font-size:16.5px;margin-bottom:0;}

/* ---------- 支持范围 ---------- */
.scope-grid{display:grid;grid-template-columns:.85fr 1.9fr;gap:54px;align-items:start;}
.scope-intro{position:sticky;top:104px;}
.scope-intro h2{font-size:clamp(1.55rem,2.4vw,2.2rem);}
.scope-intro p{font-size:16px;}
.scope-note{
  margin-top:22px;padding:18px 20px;border-radius:16px;background:#fff;border:1px solid var(--border);
  box-shadow:var(--sh);font-size:14.5px;color:#3b5460;
}
.scope-note strong{color:var(--brand-dark);}
.scope-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.scope-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--sh);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.scope-card:hover{transform:translateY(-6px);box-shadow:var(--sh-hover);border-color:var(--brand);}
.scope-card .num{
  font-size:13px;font-weight:800;letter-spacing:.08em;color:var(--brand);
  display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;
}
.scope-card .ico{
  width:46px;height:46px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-light);color:var(--brand-dark);font-size:19px;margin-bottom:16px;
}
.scope-card:nth-child(2n) .ico{background:var(--violet-light);color:var(--violet);}
.scope-card h3{font-size:19px;margin-bottom:8px;}
.scope-card p{font-size:15px;margin-bottom:0;}

/* ---------- 流程时间线 ---------- */
.flow-wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:52px;align-items:center;}
.steps{position:relative;padding-left:34px;}
.steps::before{
  content:"";position:absolute;left:11px;top:10px;bottom:10px;width:2px;
  background:linear-gradient(180deg,var(--brand),rgba(14,116,144,.12));
}
.step{position:relative;padding:0 0 30px 0;}
.step:last-child{padding-bottom:0;}
.step::before{
  content:"";position:absolute;left:-34px;top:7px;width:24px;height:24px;border-radius:50%;
  background:#fff;border:3px solid var(--brand);box-shadow:0 0 0 6px rgba(14,116,144,.09);
}
.step:last-child::before{border-color:var(--amber);box-shadow:0 0 0 6px rgba(245,158,11,.14);}
.step .no{font-size:13px;font-weight:800;color:var(--brand);letter-spacing:.1em;}
.step h3{font-size:19px;margin:6px 0 6px;}
.step p{font-size:15px;margin-bottom:0;}
.flow-media{border-radius:22px;overflow:hidden;box-shadow:var(--sh-hover);border:1px solid var(--border);}
.flow-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.flow-media figcaption{
  background:#fff;padding:16px 20px;font-size:14px;color:var(--muted);
}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:.8fr 1.6fr;gap:52px;align-items:start;}
.faq-aside{position:sticky;top:104px;}
.faq-aside h2{font-size:clamp(1.5rem,2.3vw,2.1rem);}
.faq-aside .aside-box{
  margin-top:20px;background:#fff;border:1px solid var(--border);border-radius:18px;padding:22px;
  box-shadow:var(--sh);
}
.faq-aside .aside-box h4{font-size:16px;margin-bottom:8px;}
.faq-aside .aside-box p{font-size:14.5px;margin-bottom:14px;}
.accordion-item-x{
  background:#fff;border:1px solid var(--border);border-radius:16px;margin-bottom:14px;overflow:hidden;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.accordion-item-x:hover{border-color:var(--brand);box-shadow:var(--sh);}
.accordion-item-x .accordion-button{
  font-size:16.5px;font-weight:600;color:var(--text);background:#fff;padding:20px 22px;
  box-shadow:none;border:0;gap:14px;
}
.accordion-item-x .accordion-button:not(.collapsed){color:var(--brand-dark);background:var(--brand-light);}
.accordion-item-x .accordion-button:focus{box-shadow:0 0 0 3px rgba(34,211,238,.28);border-radius:12px;}
.accordion-item-x .accordion-button::after{
  display:none;
}
.accordion-item-x .accordion-button .pm{
  margin-left:auto;flex:0 0 auto;width:28px;height:28px;border-radius:9px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-light);color:var(--brand-dark);font-size:14px;transition:transform .25s ease,background .25s ease;
}
.accordion-item-x .accordion-button:not(.collapsed) .pm{background:var(--brand);color:#fff;}
.accordion-item-x .accordion-button .pm .fa-minus{display:none;}
.accordion-item-x .accordion-button:not(.collapsed) .pm .fa-plus{display:none;}
.accordion-item-x .accordion-button:not(.collapsed) .pm .fa-minus{display:inline-block;}
.accordion-item-x .accordion-body{
  padding:4px 22px 22px;font-size:15.5px;color:var(--muted);line-height:1.9;
  border-left:3px solid var(--brand-light);
}

/* ---------- 联系与表单 ---------- */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start;}
.contact-info h2{font-size:clamp(1.55rem,2.4vw,2.2rem);}
.info-list{margin-top:24px;}
.info-list li{
  display:flex;gap:14px;align-items:flex-start;padding:16px 0;border-bottom:1px solid var(--border);
}
.info-list li:last-child{border-bottom:0;}
.info-list .ic{
  width:42px;height:42px;border-radius:13px;flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-light);color:var(--brand-dark);font-size:16px;
}
.info-list strong{display:block;font-size:15.5px;color:var(--text);margin-bottom:2px;}
.info-list span{font-size:14.5px;color:var(--muted);}

.form-card{
  background:#fff;border:1px solid var(--border);border-radius:22px;padding:34px 32px;box-shadow:var(--sh);
}
.form-card h3{font-size:20px;margin-bottom:6px;}
.form-card .hint{font-size:14.5px;color:var(--muted);margin-bottom:22px;}
.form-label{font-size:14.5px;font-weight:600;color:#2b404e;margin-bottom:7px;}
.form-control,.form-select{
  height:48px;border-radius:12px;border:1px solid var(--border);font-size:15.5px;color:var(--text);
  padding:10px 14px;background:#fdfefe;
}
textarea.form-control{height:auto;min-height:120px;line-height:1.8;}
.form-control:focus,.form-select:focus{
  border-color:var(--brand);box-shadow:0 0 0 3px rgba(34,211,238,.32);background:#fff;
}
.form-check-input{width:19px;height:19px;margin-top:3px;border-color:#bcd3da;}
.form-check-input:checked{background-color:var(--brand);border-color:var(--brand);}
.form-check-label{font-size:14.5px;color:var(--muted);}
.form-note{
  font-size:13.5px;color:var(--muted);background:var(--bg-soft);border-radius:12px;padding:12px 14px;margin-top:16px;
}
.form-warn{color:#b45309;background:var(--amber-light);border-radius:12px;padding:12px 14px;font-size:14px;margin-top:14px;}

/* ---------- 相邻栏目 CTA ---------- */
.cta-band{
  background:linear-gradient(120deg,#0B5C70,#0E7490 58%,#1189a8);
  border-radius:26px;padding:52px 46px;color:#fff;position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-70px;top:-70px;width:260px;height:260px;border-radius:50%;
  background:rgba(255,255,255,.09);
}
.cta-band h2{color:#fff;font-size:clamp(1.5rem,2.4vw,2.1rem);margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.86);font-size:16px;max-width:620px;margin-bottom:0;}
.cta-band .btn-ghost{background:#fff;color:var(--brand-dark);border-color:#fff;}
.cta-band .btn-ghost:hover{background:#e6f6fa;}
.cta-band .btn-amber:hover{background:#e08c07;}
.cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

.next-links{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:34px;}
.next-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);padding:24px 22px;
  box-shadow:var(--sh);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.next-card:hover{transform:translateY(-6px);box-shadow:var(--sh-hover);border-color:var(--brand);}
.next-card i{color:var(--brand);font-size:18px;margin-bottom:12px;display:block;}
.next-card h4{font-size:17px;margin-bottom:6px;}
.next-card p{font-size:14.5px;margin-bottom:12px;}
.next-card .go{font-size:14.5px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px;}
.next-card:hover .go{gap:10px;}

/* ---------- 页脚 ---------- */
.site-footer{background:#0B2A33;color:#c6dee4;padding:74px 0 30px;margin-top:96px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.site-footer .brand{color:#fff;}
.site-footer .brand-mark{background:linear-gradient(135deg,#0E7490,#22D3EE);}
.footer-brand p{color:#9dbcc5;font-size:14.5px;margin-top:16px;max-width:340px;}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:16px;}
.footer-col ul li{font-size:14.5px;color:#9dbcc5;margin-bottom:10px;}
.footer-col ul li a{color:#9dbcc5;}
.footer-col ul li a:hover{color:#5fd4ec;}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13.5px;color:#8aacb5;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .hero-grid{gap:36px;}
  .scope-cards{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991.98px){
  .section{padding:72px 0;}
  .section.tight{padding:60px 0;}
  .hero-grid,.scope-grid,.flow-wrap,.faq-grid,.contact-grid{grid-template-columns:1fr;gap:38px;}
  .scope-intro,.faq-aside{position:static;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
  .next-links{grid-template-columns:1fr;}
  .site-header{height:66px;}
  .site-header.is-scrolled{height:62px;}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .page-hero{padding:calc(var(--nav-h) + 42px) 0 58px;}
  .hero-actions .btn-brand,.hero-actions .btn-ghost{width:100%;}
  .scope-cards{grid-template-columns:1fr;}
  .cta-band{padding:38px 24px;border-radius:20px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .form-card{padding:26px 20px;}
  .site-footer{padding-top:56px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:519.98px){
  .container-x{padding:0 18px;}
  .brand-name{font-size:17px;}
  .page-hero h1{font-size:1.85rem;}
  .hero-lead{font-size:16.5px;}
  .footer-grid{grid-template-columns:1fr;}
  .hero-facts{gap:10px 18px;}
}