/* roulang page: index */
:root{
  --brand:#00B39A;
  --brand-dark:#06786B;
  --brand-light:#E6F7F4;
  --brand-grad:linear-gradient(135deg,#00B39A 0%,#14D7B0 100%);
  --amber:#FF9E2C;
  --amber-grad:linear-gradient(135deg,#FF9E2C 0%,#FFC15A 100%);
  --ink:#101B1D;
  --ink-2:#5B6767;
  --line:#E6E4DD;
  --bg:#F7F6F2;
  --bg-alt:#F1F0EA;
  --card:#FFFFFF;
  --dark-grad:linear-gradient(140deg,#0B2224 0%,#123A38 100%);
  --on-dark:#EAF3F1;
  --on-dark-link:#7FE3CD;
  --ok:#2FA36B;
  --warn:#D9553F;
  --r-lg:20px;
  --r-md:14px;
  --r-img:16px;
  --r-in:12px;
  --r-pill:999px;
  --sh-1:0 2px 10px rgba(16,27,29,.05);
  --sh-2:0 12px 28px rgba(16,27,29,.10);
  --sh-nav:0 8px 24px rgba(16,27,29,.06);
  --sec-gap:88px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--brand-dark);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--brand);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.container{
  width:100%;
  max-width:1240px;
  padding-left:22px;
  padding-right:22px;
  margin-left:auto;
  margin-right:auto;
}
@media (min-width:1400px){.container{max-width:1300px;}}

/* ============ 导航 ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1040;
  background:rgba(255,255,255,.55);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(230,228,221,.75);
  box-shadow:var(--sh-nav);
  transition:background .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--line);
  box-shadow:0 10px 30px rgba(16,27,29,.08);
}
.nav-inner{
  height:72px;
  display:flex;
  align-items:center;
  gap:22px;
}
.brand{
  display:flex;
  align-items:center;
  gap:11px;
  flex-shrink:0;
  color:var(--ink);
  font-weight:800;
  font-size:17px;
  letter-spacing:-.02em;
}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:38px;height:38px;
  border-radius:12px;
  background:var(--brand-grad);
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:17px;
  font-weight:800;
  box-shadow:0 6px 16px rgba(0,179,154,.32);
}
.brand-text{white-space:nowrap;}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 12px;
  font-size:15px;
  font-weight:600;
  color:var(--ink-2);
  border-radius:10px;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--brand-grad);
  transform:scaleX(0);
  transform-origin:center;
  transition:transform .25s ease;
}
.nav-link:hover{color:var(--brand-dark);background:var(--brand-light);}
.nav-link:hover::after,
.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand-dark);}
.nav-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.icon-btn{
  width:42px;height:42px;
  border-radius:50%;
  border:1px solid var(--line);
  background:rgba(255,255,255,.8);
  color:var(--ink-2);
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;
  transition:all .2s ease;
}
.icon-btn:hover{border-color:var(--brand);color:var(--brand-dark);background:var(--brand-light);}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink);
  cursor:pointer;
  font-size:17px;
  align-items:center;justify-content:center;
}
.drawer{
  display:none;
  margin:0 16px 16px;
  padding:14px;
  border-radius:var(--r-lg);
  background:#fff;
  border:1px solid var(--line);
  box-shadow:var(--sh-2);
}
.drawer.open{display:block;}
.drawer a{
  display:block;
  padding:12px 14px;
  border-radius:12px;
  font-size:15px;
  font-weight:600;
  color:var(--ink-2);
}
.drawer a:hover{background:var(--brand-light);color:var(--brand-dark);}
.drawer a.is-active{background:var(--brand-light);color:var(--brand-dark);}
.drawer .btn-main{margin-top:10px;width:100%;justify-content:center;}

/* ============ 按钮 ============ */
.btn-main,.btn-outline,.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:700;
  cursor:pointer;
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-main{
  background:var(--brand-grad);
  background-size:140% 140%;
  color:#fff;
  box-shadow:0 10px 22px rgba(0,179,154,.26);
}
.btn-main:hover{color:#fff;transform:translateY(-2px);background-position:2% 2%;box-shadow:0 14px 28px rgba(0,179,154,.32);}
.btn-main:active{transform:translateY(1px);}
.btn-outline{
  background:#fff;
  border-color:var(--brand);
  color:var(--brand-dark);
}
.btn-outline:hover{background:var(--brand-light);color:var(--brand-dark);transform:translateY(-2px);}
.btn-outline:active{transform:translateY(1px);}
.btn-ghost{
  background:rgba(255,255,255,.06);
  border-color:rgba(255,255,255,.5);
  color:#fff;
}
.btn-ghost:hover{background:rgba(255,255,255,.16);color:#fff;transform:translateY(-2px);}
.btn-main.btn-sm{height:40px;padding:0 18px;font-size:14px;}

/* ============ 标签 / 胶囊 ============ */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 13px;
  border-radius:var(--r-pill);
  background:var(--brand-light);
  color:var(--brand-dark);
  font-size:13px;
  font-weight:600;
}
.chip{
  display:inline-block;
  padding:4px 11px;
  border-radius:var(--r-pill);
  background:var(--brand-light);
  color:var(--brand-dark);
  font-size:12.5px;
  font-weight:600;
  line-height:1.6;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--brand-dark);
  text-transform:uppercase;
}
.eyebrow::before{
  content:"";
  width:22px;height:2px;
  border-radius:2px;
  background:var(--brand-grad);
}

/* ============ 通用板块 ============ */
.section{
  padding:var(--sec-gap) 0;
}
.section.alt{background:var(--bg-alt);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:38px;
}
.section-head h2{
  font-size:28px;
  margin-top:12px;
}
.section-head p{
  margin-top:12px;
  max-width:660px;
  color:var(--ink-2);
  font-size:15.5px;
}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14.5px;
  font-weight:700;
  color:var(--brand-dark);
}
.text-link:hover{gap:12px;color:var(--brand);}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding:152px 0 0;
  background:
    radial-gradient(720px 380px at 12% 6%,rgba(0,179,154,.16),transparent 70%),
    radial-gradient(560px 320px at 88% 12%,rgba(255,158,44,.13),transparent 72%),
    linear-gradient(180deg,#FBFBF8 0%,#F7F6F2 70%);
  overflow:hidden;
}
.hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(16,27,29,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(16,27,29,.045) 1px,transparent 1px);
  background-size:56px 56px;
  opacity:.5;
  pointer-events:none;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%);
}
.hero .container{position:relative;z-index:2;}
.hero-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:48px;
  align-items:center;
}
.hero h1{
  font-size:40px;
  font-weight:800;
  margin-top:20px;
}
.hero-sub{
  margin-top:18px;
  font-size:16.5px;
  color:var(--ink-2);
  max-width:560px;
}
.hero-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:24px;
}
.hero-cta{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:30px;
}
.hero-visual{
  position:relative;
  border-radius:24px;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  min-height:452px;
  box-shadow:0 26px 60px rgba(16,27,29,.16);
}
.hero-visual::before{
  content:"";
  position:absolute;
  inset:0;
  border-radius:24px;
  background:linear-gradient(180deg,rgba(11,34,36,.06) 0%,rgba(11,34,36,.52) 100%);
}
.hero-card{
  position:absolute;
  left:22px;right:22px;bottom:22px;
  display:flex;
  gap:14px;
  align-items:center;
  padding:16px;
  background:#fff;
  border-radius:var(--r-lg);
  box-shadow:var(--sh-2);
}
.hero-card img{
  width:92px;height:72px;
  object-fit:cover;
  border-radius:var(--r-img);
  flex-shrink:0;
}
.hero-card h3{font-size:15.5px;font-weight:700;}
.hero-card p{font-size:13.5px;color:var(--ink-2);margin-top:4px;line-height:1.6;}
.float-badge{
  position:absolute;
  display:flex;
  align-items:center;
  gap:10px;
  padding:11px 16px;
  background:rgba(255,255,255,.96);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-2);
}
.float-badge i{
  width:32px;height:32px;
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;
  color:#fff;
  background:var(--brand-grad);
}
.float-badge.amber i{background:var(--amber-grad);}
.float-badge b{
  font-size:16px;
  font-variant-numeric:tabular-nums;
  display:block;
  line-height:1.2;
}
.float-badge span{font-size:12.5px;color:var(--ink-2);display:block;line-height:1.4;}
.badge-a{top:22px;right:-14px;}
.badge-b{top:96px;left:-16px;}

.stat-strip{
  position:relative;
  z-index:2;
  margin-top:60px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:8px;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:8px;
}
.stat-item{
  padding:20px 18px;
  border-radius:var(--r-md);
  display:flex;
  gap:14px;
  align-items:center;
  transition:background .2s ease;
}
.stat-item:hover{background:var(--brand-light);}
.stat-item i{
  width:40px;height:40px;
  border-radius:12px;
  background:var(--brand-light);
  color:var(--brand-dark);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;
  flex-shrink:0;
}
.stat-item b{
  display:block;
  font-size:20px;
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.stat-item span{font-size:13px;color:var(--ink-2);}

/* ============ 痛点区 ============ */
.pain-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:26px;
}
.pain-card{
  position:relative;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:30px 28px 28px 34px;
  box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  overflow:hidden;
}
.pain-card::before{
  content:"";
  position:absolute;
  left:0;top:24px;bottom:24px;
  width:4px;
  border-radius:0 4px 4px 0;
  background:var(--brand-grad);
}
.pain-card:nth-child(even)::before{background:var(--amber-grad);}
.pain-card:nth-child(even){transform:translateY(22px);}
.pain-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-2);
  border-color:#BEEBE2;
}
.pain-card:nth-child(even):hover{transform:translateY(18px);}
.pain-icon{
  width:40px;height:40px;
  border-radius:12px;
  background:var(--brand-light);
  color:var(--brand-dark);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;
  margin-bottom:16px;
}
.pain-card:nth-child(even) .pain-icon{background:#FFF1DE;color:#C47412;}
.pain-card h3{font-size:19px;font-weight:700;}
.pain-card p{margin-top:10px;color:var(--ink-2);font-size:15px;}

/* ============ 方案区 ============ */
.solve-grid{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:26px;
  align-items:stretch;
}
.solve-main{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease;
}
.solve-main:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.solve-main img{width:100%;height:262px;object-fit:cover;}
.solve-main-body{padding:28px 30px 32px;}
.solve-main-body h3{font-size:21px;}
.solve-main-body p{margin-top:12px;color:var(--ink-2);font-size:15.5px;}
.solve-main-body ul{margin-top:18px;display:grid;gap:10px;}
.solve-main-body li{
  position:relative;
  padding-left:22px;
  font-size:14.5px;
  color:var(--ink-2);
}
.solve-main-body li::before{
  content:"";
  position:absolute;
  left:0;top:9px;
  width:8px;height:8px;
  border-radius:50%;
  background:var(--brand-grad);
}
.solve-side{display:grid;gap:26px;}
.solve-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px 26px 28px;
  box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.solve-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#BEEBE2;}
.solve-card .num{
  font-size:13px;
  font-weight:800;
  color:var(--amber);
  letter-spacing:.08em;
  font-variant-numeric:tabular-nums;
}
.solve-card h3{font-size:18px;margin-top:10px;}
.solve-card p{margin-top:10px;font-size:14.5px;color:var(--ink-2);}

/* ============ 成果区 ============ */
.result-panel{
  background:var(--dark-grad);
  border-radius:26px;
  padding:56px 52px;
  color:var(--on-dark);
  position:relative;
  overflow:hidden;
}
.result-panel::after{
  content:"";
  position:absolute;
  right:-90px;top:-90px;
  width:340px;height:340px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(20,215,176,.22),transparent 66%);
  pointer-events:none;
}
.result-panel h2{font-size:28px;color:#fff;}
.result-panel > p{margin-top:14px;color:#B9D6D1;max-width:640px;font-size:15.5px;}
.result-grid{
  position:relative;
  z-index:2;
  margin-top:36px;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
}
.result-badge{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(127,227,205,.22);
  border-radius:var(--r-lg);
  padding:22px 20px;
}
.result-badge i{
  width:38px;height:38px;
  border-radius:12px;
  background:rgba(255,193,90,.16);
  color:#FFC15A;
  display:flex;align-items:center;justify-content:center;
  font-size:15px;
  margin-bottom:14px;
}
.result-badge b{
  display:block;
  font-size:26px;
  color:#fff;
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.result-badge span{font-size:13.5px;color:#B9D6D1;display:block;margin-top:4px;}
.meters{margin-top:34px;display:grid;gap:18px;position:relative;z-index:2;}
.meter-top{
  display:flex;justify-content:space-between;
  font-size:14px;
  color:#CDE4E0;
  margin-bottom:8px;
}
.meter-top strong{color:#FFC15A;font-variant-numeric:tabular-nums;}
.meter-bar{
  height:8px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.12);
  overflow:hidden;
}
.meter-bar i{
  display:block;
  height:100%;
  border-radius:var(--r-pill);
  background:linear-gradient(90deg,#14D7B0 0%,#FFC15A 100%);
}

/* ============ 证言区 ============ */
.testi-track{
  display:flex;
  gap:24px;
  overflow-x:auto;
  padding:8px 4px 24px;
  scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;
}
.testi-track::-webkit-scrollbar{height:8px;}
.testi-track::-webkit-scrollbar-thumb{background:#CFE7E2;border-radius:8px;}
.testi-card{
  flex:0 0 340px;
  scroll-snap-align:start;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px 26px;
  box-shadow:var(--sh-1);
  position:relative;
  transition:transform .25s ease,box-shadow .25s ease;
}
.testi-card:nth-child(even){margin-top:20px;}
.testi-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.testi-card::before{
  content:"\201C";
  position:absolute;
  right:24px;top:14px;
  font-size:56px;
  line-height:1;
  color:rgba(0,179,154,.16);
  font-family:Georgia,serif;
}
.testi-card p{font-size:15px;color:var(--ink-2);min-height:104px;}
.testi-user{
  display:flex;align-items:center;gap:12px;
  margin-top:20px;padding-top:18px;
  border-top:1px solid var(--line);
}
.testi-user img{
  width:48px;height:48px;border-radius:50%;object-fit:cover;
  border:2px solid var(--brand-light);
}
.testi-user b{display:block;font-size:15px;}
.testi-user span{font-size:13px;color:var(--ink-2);}

/* ============ 最新信息 ============ */
.news-grid{
  display:grid;
  grid-template-columns:1.15fr 1fr;
  gap:26px;
}
.news-feature{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-1);
  color:var(--ink);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.news-feature:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#BEEBE2;color:var(--ink);}
.news-feature-media{aspect-ratio:16/10;overflow:hidden;}
.news-feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.news-feature:hover .news-feature-media img{transform:scale(1.04);}
.news-feature-body{padding:26px 28px 28px;}
.news-feature-body h3{
  font-size:21px;
  margin-top:14px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color .2s ease;
}
.news-feature:hover h3{color:var(--brand-dark);}
.news-feature-body p{
  margin-top:12px;
  font-size:15px;
  color:var(--ink-2);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-meta{
  display:flex;align-items:center;gap:10px;
  margin-top:18px;
  font-size:13px;
  color:var(--ink-2);
}
.news-meta .dot{width:4px;height:4px;border-radius:50%;background:#C7CFCD;display:inline-block;}
.news-side{display:grid;gap:20px;}
.news-item{
  display:flex;
  gap:16px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:16px;
  box-shadow:var(--sh-1);
  color:var(--ink);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.news-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#BEEBE2;color:var(--ink);}
.news-item img{
  width:118px;height:92px;object-fit:cover;border-radius:var(--r-img);flex-shrink:0;
}
.news-item h3{
  font-size:16px;
  margin-top:8px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color .2s ease;
}
.news-item:hover h3{color:var(--brand-dark);}
.news-item p{
  margin-top:8px;
  font-size:13.5px;
  color:var(--ink-2);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.empty-state{
  border:2px dashed #CFE0DC;
  border-radius:var(--r-lg);
  background:#FCFDFC;
  padding:52px 26px;
  text-align:center;
}
.empty-state i{
  width:56px;height:56px;
  border-radius:18px;
  background:var(--brand-light);
  color:var(--brand-dark);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:21px;
  margin-bottom:16px;
}
.empty-state p{color:var(--ink-2);font-size:15px;margin-bottom:20px;}

/* ============ FAQ ============ */
.faq-wrap{
  display:grid;
  grid-template-columns:0.78fr 1.22fr;
  gap:46px;
  align-items:start;
}
.faq-intro h2{font-size:28px;margin-top:12px;}
.faq-intro p{margin-top:16px;color:var(--ink-2);font-size:15.5px;max-width:420px;}
.faq-intro .btn-outline{margin-top:24px;}
.faq-list{display:grid;gap:14px;}
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-img);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.faq-item.open{background:var(--brand-light);border-color:#BEEBE2;border-left:3px solid var(--brand);box-shadow:var(--sh-2);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 22px;
  background:none;
  border:0;
  text-align:left;
  font-size:16px;
  font-weight:700;
  color:var(--ink);
  cursor:pointer;
}
.faq-item.open .faq-q{color:var(--brand-dark);}
.faq-icon{
  width:30px;height:30px;
  border-radius:50%;
  background:#fff;
  border:1px solid var(--line);
  color:var(--brand-dark);
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
  transition:transform .3s ease,background .3s ease;
}
.faq-item.open .faq-icon{background:var(--brand-grad);color:#fff;border-color:transparent;transform:rotate(135deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .35s ease;
}
.faq-a p{
  padding:0 58px 22px 22px;
  font-size:14.5px;
  color:#3E4C4C;
  line-height:1.85;
}

/* ============ CTA ============ */
.cta-banner{
  background:var(--brand-grad);
  border-radius:26px;
  padding:44px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  color:#fff;
  box-shadow:0 24px 50px rgba(0,179,154,.24);
  position:relative;
  overflow:hidden;
}
.cta-banner::after{
  content:"";
  position:absolute;
  right:-60px;bottom:-120px;
  width:300px;height:300px;
  border-radius:50%;
  border:26px solid rgba(255,255,255,.12);
  pointer-events:none;
}
.cta-banner h2{font-size:26px;color:#fff;}
.cta-banner p{margin-top:10px;color:rgba(255,255,255,.9);font-size:15.5px;max-width:620px;}
.cta-banner .btn-solid{
  background:#fff;
  color:var(--brand-dark);
  display:inline-flex;align-items:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-weight:800;font-size:15px;
  white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease;
  position:relative;z-index:2;
}
.cta-banner .btn-solid:hover{transform:translateY(-2px);box-shadow:0 14px 26px rgba(11,34,36,.18);color:var(--brand-dark);}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--dark-grad);
  color:var(--on-dark);
  padding:64px 0 0;
  margin-top:var(--sec-gap);
}
.foot-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.15fr;
  gap:38px;
}
.foot-brand{
  display:flex;align-items:center;gap:11px;
  font-size:16.5px;font-weight:800;color:#fff;
  margin-bottom:16px;
}
.foot-brand .brand-mark{box-shadow:none;}
.site-footer p{color:#A9C4C0;font-size:14px;line-height:1.8;}
.foot-title{
  font-size:14.5px;
  font-weight:700;
  color:#fff;
  margin-bottom:18px;
  letter-spacing:.02em;
}
.foot-list{display:grid;gap:11px;}
.foot-list a{color:#A9C4C0;font-size:14px;}
.foot-list a:hover{color:var(--on-dark-link);}
.foot-contact li{
  display:flex;gap:10px;
  color:#A9C4C0;
  font-size:14px;
  margin-bottom:12px;
}
.foot-contact i{color:var(--on-dark-link);margin-top:5px;}
.foot-bottom{
  margin-top:52px;
  border-top:1px solid rgba(127,227,205,.18);
  padding:22px 0 26px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
}
.foot-bottom span{font-size:13.5px;color:#8FB0AC;}
.back-top{
  display:inline-flex;align-items:center;gap:8px;
  height:40px;padding:0 18px;
  border-radius:var(--r-pill);
  border:1px solid rgba(127,227,205,.35);
  background:transparent;
  color:var(--on-dark-link);
  font-size:13.5px;font-weight:600;
  cursor:pointer;
  transition:background .2s ease,transform .2s ease;
}
.back-top:hover{background:rgba(127,227,205,.14);transform:translateY(-2px);}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .nav-links{gap:0;}
  .nav-link{padding:8px 9px;font-size:14px;}
  .hero h1{font-size:36px;}
}
@media (max-width:991px){
  :root{--sec-gap:64px;}
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .nav-actions .btn-main{display:none;}
  .hero{padding-top:132px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero h1{font-size:32px;}
  .hero-visual{min-height:360px;}
  .badge-a{right:10px;}
  .badge-b{left:10px;}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .pain-grid{grid-template-columns:1fr;}
  .pain-card:nth-child(even){transform:none;}
  .pain-card:nth-child(even):hover{transform:translateY(-4px);}
  .solve-grid{grid-template-columns:1fr;}
  .solve-main img{height:220px;}
  .result-panel{padding:40px 28px;}
  .result-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:1fr;}
  .faq-wrap{grid-template-columns:1fr;gap:30px;}
  .faq-intro p{max-width:none;}
  .cta-banner{flex-direction:column;align-items:flex-start;padding:34px 28px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:767px){
  :root{--sec-gap:50px;}
  .hero h1{font-size:28px;}
  .hero-sub{font-size:15.5px;}
  .hero-cta .btn-main,.hero-cta .btn-outline{flex:1 1 100%;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px;}
  .section-head h2{font-size:22px;}
  .result-panel h2{font-size:22px;}
  .cta-banner h2{font-size:21px;}
  .testi-card{flex:0 0 82%;}
  .foot-grid{grid-template-columns:1fr;gap:26px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:575px){
  .container{padding-left:16px;padding-right:16px;}
  .brand-text{font-size:15px;}
  .hero{padding-top:118px;}
  .hero-visual{min-height:300px;}
  .hero-card{left:14px;right:14px;bottom:14px;padding:13px;}
  .hero-card img{width:70px;height:56px;}
  .badge-a,.badge-b{padding:8px 12px;}
  .float-badge b{font-size:14px;}
  .stat-strip{grid-template-columns:1fr;}
  .result-grid{grid-template-columns:1fr;}
  .news-item{flex-direction:column;}
  .news-item img{width:100%;height:160px;}
  .faq-q{font-size:15px;padding:16px;}
  .faq-a p{padding:0 20px 18px 20px;}
  .empty-state{padding:38px 18px;}
}

/* roulang page: category1 */
:root{
  --mks-primary:#00B39A;
  --mks-primary-deep:#06786B;
  --mks-primary-soft:#E6F7F4;
  --mks-grad:linear-gradient(135deg,#00B39A 0%,#14D7B0 100%);
  --mks-amber:#FF9E2C;
  --mks-amber-grad:linear-gradient(135deg,#FF9E2C 0%,#FFC15A 100%);
  --mks-ink:#101B1D;
  --mks-ink-2:#5B6767;
  --mks-line:#E6E4DD;
  --mks-bg:#F7F6F2;
  --mks-bg-alt:#F1F0EA;
  --mks-card:#FFFFFF;
  --mks-dark-1:#0B2224;
  --mks-dark-2:#123A38;
  --mks-dark-text:#EAF3F1;
  --mks-dark-link:#7FE3CD;
  --mks-ok:#2FA36B;
  --mks-warn:#D9553F;
  --r-lg:20px;
  --r-md:14px;
  --r-img:16px;
  --r-input:12px;
  --r-pill:999px;
  --sh-1:0 2px 10px rgba(16,27,29,.05);
  --sh-2:0 12px 28px rgba(16,27,29,.10);
  --sh-nav:0 8px 24px rgba(16,27,29,.06);
  --sp-sec:88px;
  --sp-sec-m:48px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--mks-ink);
  background:var(--mks-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--mks-primary-deep);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--mks-primary)}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.2px;color:var(--mks-ink)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button,input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--mks-primary);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.num{font-variant-numeric:tabular-nums}

/* ---------- 顶部玻璃导航 ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1030;
  background:rgba(255,255,255,.55);
  -webkit-backdrop-filter:saturate(160%) blur(12px);
  backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid rgba(230,228,221,.7);
  box-shadow:var(--sh-nav);
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--mks-line);
  box-shadow:0 6px 20px rgba(16,27,29,.08);
}
.nav-inner{
  height:72px;
  display:flex;
  align-items:center;
  gap:20px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--mks-ink);
  font-weight:800;
  font-size:17px;
  letter-spacing:.3px;
}
.brand:hover{color:var(--mks-ink)}
.brand-mark{
  width:36px;height:36px;
  display:grid;place-items:center;
  border-radius:12px;
  background:var(--mks-grad);
  color:#fff;
  font-weight:800;
  font-size:18px;
  box-shadow:0 6px 16px rgba(0,179,154,.32);
}
.brand-text{white-space:nowrap}
.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
  flex-wrap:nowrap;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 12px;
  font-size:14.5px;
  font-weight:500;
  color:var(--mks-ink-2);
  border-radius:10px;
  white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--mks-grad);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .25s ease;
}
.nav-link:hover{color:var(--mks-primary-deep);background:rgba(0,179,154,.06)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--mks-primary-deep);font-weight:700}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  width:42px;height:42px;
  display:grid;place-items:center;
  border-radius:50%;
  border:1px solid var(--mks-line);
  background:#fff;
  color:var(--mks-ink-2);
  cursor:pointer;
  transition:.2s ease;
}
.icon-btn:hover{color:var(--mks-primary-deep);border-color:rgba(0,179,154,.45);box-shadow:var(--sh-1)}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease,filter .2s ease;
  text-align:center;
}
.btn-primary{
  background-image:var(--mks-grad);
  background-size:120% 120%;
  background-position:0% 50%;
  color:#fff;
  box-shadow:0 8px 20px rgba(0,179,154,.28);
}
.btn-primary:hover{
  color:#fff;
  filter:brightness(1.05);
  background-position:2% 50%;
  box-shadow:0 12px 26px rgba(0,179,154,.34);
}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{
  background:transparent;
  border-color:rgba(255,255,255,.6);
  color:#fff;
}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff}
.btn-outline{
  background:#fff;
  border-color:rgba(0,179,154,.5);
  color:var(--mks-primary-deep);
}
.btn-outline:hover{background:var(--mks-primary-soft);color:var(--mks-primary-deep);border-color:var(--mks-primary)}
.btn-sm{height:42px;padding:0 20px;font-size:14px}
.menu-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:12px;
  border:1px solid var(--mks-line);
  background:#fff;
  color:var(--mks-ink);
  cursor:pointer;
}
.mobile-drawer{
  display:none;
  margin:0 20px 16px;
  padding:16px;
  background:rgba(255,255,255,.96);
  border:1px solid var(--mks-line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-2);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
}
.mobile-drawer.is-open{display:block}
.mobile-drawer .drawer-link{
  display:block;
  padding:12px 14px;
  border-radius:12px;
  color:var(--mks-ink-2);
  font-size:15px;
  font-weight:500;
}
.mobile-drawer .drawer-link.is-active{background:var(--mks-primary-soft);color:var(--mks-primary-deep);font-weight:700}
.mobile-drawer .drawer-link:hover{background:rgba(0,179,154,.08);color:var(--mks-primary-deep)}
.mobile-drawer .btn{width:100%;margin-top:12px}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  position:relative;
  margin-top:0;
  padding:150px 0 64px;
  min-height:260px;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.cat-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(135deg,rgba(0,179,154,.88) 0%,rgba(6,120,107,.86) 100%);
}
.cat-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.10) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.10) 1px,transparent 1px);
  background-size:44px 44px;
  opacity:.7;
  pointer-events:none;
}
.cat-hero .container{position:relative;z-index:2}
.crumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.85);
  margin-bottom:16px;
}
.crumb a{color:rgba(255,255,255,.88)}
.crumb a:hover{color:#fff}
.crumb .sep{opacity:.6}
.cat-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.18);
  border:1px solid rgba(255,255,255,.38);
  color:#fff;
  font-size:13px;
  font-weight:600;
  margin-bottom:16px;
}
.cat-hero h1{
  color:#fff;
  font-size:40px;
  font-weight:800;
  line-height:1.28;
  max-width:840px;
  text-shadow:0 4px 18px rgba(3,46,42,.28);
}
.cat-hero .cat-lead{
  margin-top:16px;
  max-width:720px;
  color:rgba(255,255,255,.94);
  font-size:16.5px;
  line-height:1.8;
}
.hero-quick{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:24px;
}
.hero-quick .chip{
  padding:7px 14px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.92);
  color:var(--mks-primary-deep);
  font-size:13px;
  font-weight:600;
}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sp-sec) 0}
.section-alt{background:var(--mks-bg-alt)}
.sec-head{max-width:760px;margin-bottom:44px}
.sec-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  letter-spacing:1px;
  color:var(--mks-primary-deep);
  background:var(--mks-primary-soft);
  padding:6px 14px;
  border-radius:var(--r-pill);
  margin-bottom:14px;
}
.sec-head h2{font-size:28px;line-height:1.4}
.sec-head p{margin-top:14px;color:var(--mks-ink-2);font-size:15.5px;line-height:1.8}

/* ---------- 图文交错叙事流 ---------- */
.story-flow{display:flex;flex-direction:column;gap:72px}
.story-item{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:48px;
  align-items:center;
}
.story-item.reverse .story-media{order:2}
.story-item.reverse .story-body{order:1}
.story-media{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-2);
  background:#fff;
}
.story-media img{
  width:100%;
  aspect-ratio:16/11;
  object-fit:cover;
  border-radius:var(--r-lg);
  transition:transform .5s ease;
}
.story-media:hover img{transform:scale(1.03)}
.story-media .media-badge{
  position:absolute;
  left:16px;
  bottom:16px;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 16px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.94);
  color:var(--mks-primary-deep);
  font-size:13px;
  font-weight:700;
  box-shadow:var(--sh-1);
}
.story-step{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  font-weight:700;
  color:var(--mks-primary-deep);
  margin-bottom:12px;
}
.story-step .dot{
  width:28px;height:28px;
  display:grid;place-items:center;
  border-radius:10px;
  background:var(--mks-grad);
  color:#fff;
  font-size:13px;
  box-shadow:0 6px 14px rgba(0,179,154,.28);
}
.story-body h2{font-size:26px;line-height:1.42;margin-bottom:14px}
.story-body h3{font-size:18px;font-weight:600;margin-bottom:10px}
.story-body p{color:var(--mks-ink-2);font-size:15.5px;line-height:1.85}
.point-list{margin-top:20px;display:flex;flex-direction:column;gap:12px}
.point-list li{
  position:relative;
  padding-left:30px;
  font-size:15px;
  color:var(--mks-ink);
  line-height:1.75;
}
.point-list li::before{
  content:"";
  position:absolute;
  left:6px;
  top:9px;
  width:9px;height:9px;
  border-radius:50%;
  background:var(--mks-grad);
  box-shadow:0 0 0 4px rgba(0,179,154,.12);
}
.note-card{
  margin-top:24px;
  padding:18px 20px;
  border-radius:var(--r-md);
  background:var(--mks-primary-soft);
  border-left:4px solid var(--mks-primary);
  font-size:14.5px;
  color:var(--mks-primary-deep);
  line-height:1.75;
}
.note-card strong{font-weight:700}

/* ---------- 入口核对要点行卡 ---------- */
.check-rows{display:flex;flex-direction:column;gap:18px}
.check-row{
  display:grid;
  grid-template-columns:64px minmax(0,1fr) auto;
  gap:20px;
  align-items:center;
  padding:22px 26px;
  background:var(--mks-card);
  border:1px solid var(--mks-line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.check-row:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-2);
  border-color:rgba(0,179,154,.4);
}
.check-row .ico{
  width:64px;height:52px;
  display:grid;place-items:center;
  border-radius:14px;
  background:var(--mks-primary-soft);
  color:var(--mks-primary-deep);
  font-size:20px;
}
.check-row h3{font-size:17px;margin-bottom:6px}
.check-row p{color:var(--mks-ink-2);font-size:14.5px;line-height:1.75}
.check-row .row-tag{
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:var(--mks-amber-grad);
  color:#5A3200;
  font-size:12.5px;
  font-weight:700;
  white-space:nowrap;
}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  border-radius:26px;
  overflow:hidden;
  padding:52px 48px;
  background:linear-gradient(135deg,#00B39A 0%,#14D7B0 100%);
  box-shadow:0 18px 42px rgba(0,179,154,.28);
  color:#fff;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-90px;top:-90px;
  width:320px;height:320px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.34),transparent 68%);
}
.cta-inner{
  position:relative;
  z-index:2;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
}
.cta-inner h2{color:#fff;font-size:27px;line-height:1.4}
.cta-inner p{margin-top:12px;color:rgba(255,255,255,.94);font-size:15.5px;max-width:620px;line-height:1.8}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.cta-actions .btn-white{
  background:#fff;
  color:var(--mks-primary-deep);
  box-shadow:0 8px 20px rgba(3,46,42,.18);
}
.cta-actions .btn-white:hover{background:#F3FFFC;color:var(--mks-primary-deep)}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:0;
  padding:66px 0 24px;
  background:linear-gradient(135deg,var(--mks-dark-1) 0%,var(--mks-dark-2) 100%);
  color:var(--mks-dark-text);
}
.foot-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
}
.foot-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:800;
  color:#fff;
  margin-bottom:16px;
}
.foot-brand .brand-mark{width:34px;height:34px;font-size:17px}
.site-footer p{color:rgba(234,243,241,.76);font-size:14.5px;line-height:1.8;max-width:340px}
.foot-title{
  font-size:15px;
  font-weight:700;
  color:#fff;
  margin-bottom:18px;
  letter-spacing:.4px;
}
.foot-list{display:flex;flex-direction:column;gap:11px}
.foot-list a{color:rgba(234,243,241,.8);font-size:14.5px}
.foot-list a:hover{color:var(--mks-dark-link)}
.foot-contact{display:flex;flex-direction:column;gap:12px}
.foot-contact li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14.5px;
  color:rgba(234,243,241,.8);
  line-height:1.7;
}
.foot-contact i{color:var(--mks-dark-link);margin-top:4px}
.foot-bottom{
  margin-top:48px;
  padding-top:20px;
  border-top:1px solid rgba(234,243,241,.16);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13.5px;
  color:rgba(234,243,241,.66);
}
.back-top{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:40px;
  padding:0 18px;
  border-radius:var(--r-pill);
  border:1px solid rgba(127,227,205,.45);
  background:transparent;
  color:var(--mks-dark-link);
  font-size:13.5px;
  font-weight:600;
  cursor:pointer;
  transition:.2s ease;
}
.back-top:hover{background:rgba(127,227,205,.14);color:#fff;border-color:rgba(127,227,205,.8)}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .nav-link{padding:8px 9px;font-size:14px}
  .foot-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
}
@media (max-width:991.98px){
  .nav-links,.nav-actions .icon-btn,.nav-actions .btn{display:none}
  .menu-toggle{display:grid;place-items:center}
  .nav-actions{margin-left:auto}
  .cat-hero{padding:124px 0 52px}
  .cat-hero h1{font-size:32px}
  .section{padding:60px 0}
  .story-flow{gap:52px}
  .story-item{grid-template-columns:1fr;gap:26px}
  .story-item.reverse .story-media{order:1}
  .story-item.reverse .story-body{order:2}
  .story-body h2{font-size:22px}
  .cta-band{padding:40px 30px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767.98px){
  .container{padding:0 16px}
  .nav-inner{height:60px}
  .brand{font-size:15px}
  .brand-mark{width:32px;height:32px;font-size:16px;border-radius:10px}
  .cat-hero{padding:112px 0 44px}
  .cat-hero h1{font-size:26px}
  .cat-hero .cat-lead{font-size:15px}
  .section{padding:var(--sp-sec-m) 0}
  .sec-head{margin-bottom:30px}
  .sec-head h2{font-size:22px}
  .story-body h2{font-size:20px}
  .check-row{grid-template-columns:52px minmax(0,1fr);gap:14px;padding:18px}
  .check-row .ico{width:52px;height:46px}
  .check-row .row-tag{grid-column:2;justify-self:start}
  .cta-inner h2{font-size:21px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding:48px 0 20px}
  .foot-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:519.98px){
  body{font-size:15.5px}
  .brand-text{font-size:14px}
  .cat-hero h1{font-size:23px}
  .story-media img{aspect-ratio:16/12}
  .point-list li{font-size:14.5px}
  .check-row p{font-size:14px}
}

/* roulang page: article */
:root{
  --brand:#00B39A;
  --brand-deep:#06786B;
  --brand-light:#E6F7F4;
  --brand-grad:linear-gradient(135deg,#00B39A 0%,#14D7B0 100%);
  --amber:#FF9E2C;
  --amber-grad:linear-gradient(135deg,#FF9E2C 0%,#FFC15A 100%);
  --ink:#101B1D;
  --ink-2:#5B6767;
  --line:#E6E4DD;
  --bg:#F7F6F2;
  --bg-alt:#F1F0EA;
  --card:#FFFFFF;
  --dark-1:#0B2224;
  --dark-2:#123A38;
  --dark-text:#EAF3F1;
  --dark-link:#7FE3CD;
  --ok:#2FA36B;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:14px;
  --r-xs:12px;
  --pill:999px;
  --sh-1:0 2px 10px rgba(16,27,29,.05);
  --sh-2:0 12px 28px rgba(16,27,29,.10);
  --sh-nav:0 8px 24px rgba(16,27,29,.06);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
html,body{overflow-x:hidden;}
body{
  margin:0;
  padding:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand-deep);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand);}
button,input,select,textarea{font:inherit;color:inherit;}
button{background:none;border:none;cursor:pointer;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
::selection{background:rgba(0,179,154,.18);}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;padding:10px 18px;border-radius:0 0 12px 0;z-index:2000;}
.skip-link:focus{left:0;color:#fff;}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px;}
.tnum{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ---------- header / nav ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:rgba(255,255,255,.55);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(16,27,29,.06);
  box-shadow:var(--sh-nav);
  transition:background .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.94);
  border-bottom-color:rgba(16,27,29,.10);
  box-shadow:0 10px 30px rgba(16,27,29,.08);
}
.header-inner{height:72px;display:flex;align-items:center;gap:28px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink);}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:38px;height:38px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-grad);color:#fff;font-weight:800;font-size:19px;letter-spacing:.5px;
  box-shadow:0 6px 16px rgba(0,179,154,.28);
}
.brand-text{font-size:17px;font-weight:800;letter-spacing:.2px;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:22px;margin-left:auto;}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--ink);padding:10px 2px;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:4px;height:2px;border-radius:2px;
  background:var(--brand-grad);transform:scaleX(0);transform-origin:center;transition:transform .25s ease;
}
.nav-link:hover{color:var(--brand-deep);}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand-deep);font-weight:600;}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;margin-left:6px;}
.icon-btn{
  width:42px;height:42px;border-radius:var(--pill);display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.7);border:1px solid var(--line);color:var(--ink-2);transition:all .2s ease;
}
.icon-btn:hover{color:var(--brand-deep);border-color:rgba(0,179,154,.45);background:#fff;transform:translateY(-1px);}
.menu-toggle{
  width:42px;height:42px;border-radius:var(--pill);display:none;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--line);color:var(--ink);font-size:17px;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--pill);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background-image:var(--brand-grad);background-size:120% 120%;background-position:0 0;color:#fff;box-shadow:0 8px 20px rgba(0,179,154,.26);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);background-position:2% 2%;box-shadow:0 14px 28px rgba(0,179,154,.34);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:#fff;border:1px solid rgba(0,179,154,.5);color:var(--brand-deep);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-deep);background:var(--brand-light);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-outline-light{background:transparent;border:1px solid rgba(255,255,255,.55);color:#fff;}
.btn-outline-light:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.nav-drawer{
  position:fixed;left:16px;right:16px;top:72px;z-index:1032;
  background:rgba(255,255,255,.98);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-2);padding:14px;display:none;
}
.nav-drawer.is-open{display:block;}
.drawer-link{
  display:block;padding:13px 14px;border-radius:var(--r-sm);color:var(--ink);font-size:15px;font-weight:500;
}
.drawer-link:hover{background:var(--brand-light);color:var(--brand-deep);}
.drawer-link.is-active{background:var(--brand-light);color:var(--brand-deep);font-weight:700;}
.nav-drawer .btn{width:100%;margin-top:8px;}
.nav-scrim{position:fixed;inset:0;background:rgba(11,34,36,.34);z-index:1031;display:none;}
.nav-scrim.is-open{display:block;}

/* ---------- article page ---------- */
.article-page{padding:112px 0 8px;}
.breadcrumb-nav{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-2);margin-bottom:22px;}
.breadcrumb-nav a{color:var(--ink-2);}
.breadcrumb-nav a:hover{color:var(--brand-deep);}
.breadcrumb-nav .sep{color:#B8BFBE;}
.breadcrumb-nav .current{color:var(--ink);font-weight:600;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-head{margin-bottom:30px;}
.cat-pill{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--brand-light);color:var(--brand-deep);
  font-size:12.5px;font-weight:600;padding:6px 14px;border-radius:var(--pill);margin-bottom:16px;
}
.article-head h1{
  font-size:38px;line-height:1.32;font-weight:800;letter-spacing:-.2px;color:var(--ink);
  margin-bottom:18px;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13.5px;color:var(--ink-2);}
.meta-row .meta-item{display:inline-flex;align-items:center;gap:7px;}
.meta-row .meta-item i{color:var(--brand);}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:#C9CFCE;display:inline-block;}
.share-group{display:flex;align-items:center;gap:8px;margin-left:auto;}
.share-group .share-label{font-size:13px;color:var(--ink-2);}
.share-btn{
  width:34px;height:34px;border-radius:var(--pill);display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:#fff;color:var(--ink-2);font-size:13px;transition:all .2s ease;
}
.share-btn:hover{color:#fff;background:var(--brand);border-color:var(--brand);transform:translateY(-2px);}

.article-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:46px;}
.article-main{max-width:820px;min-width:0;}
.article-aside{min-width:0;}

.prose{font-size:16px;line-height:1.85;color:#1B2728;word-break:break-word;}
.prose p{margin:0 0 1.2em;}
.prose h2{
  position:relative;font-size:25px;line-height:1.4;font-weight:700;color:var(--ink);
  margin:2.1em 0 .85em;padding-left:16px;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:.18em;width:4px;height:1.05em;border-radius:4px;
  background:linear-gradient(180deg,#00B39A 0%,#14D7B0 100%);
}
.prose h3{
  position:relative;font-size:19.5px;line-height:1.5;font-weight:600;color:var(--ink);
  margin:1.7em 0 .7em;padding-left:18px;
}
.prose h3::before{
  content:"";position:absolute;left:0;top:.42em;width:10px;height:10px;border-radius:3px;
  background:var(--brand-grad);
}
.prose h4{font-size:17px;font-weight:600;margin:1.4em 0 .6em;color:var(--ink);}
.prose ul,.prose ol{margin:0 0 1.3em;padding-left:0;}
.prose ul li{position:relative;padding-left:22px;margin-bottom:.6em;}
.prose ul li::before{
  content:"";position:absolute;left:4px;top:.72em;width:7px;height:7px;border-radius:50%;
  background:linear-gradient(135deg,#00B39A 0%,#14D7B0 100%);
}
.prose ol{counter-reset:prose-ol;}
.prose ol li{position:relative;padding-left:32px;margin-bottom:.65em;counter-increment:prose-ol;}
.prose ol li::before{
  content:counter(prose-ol);position:absolute;left:0;top:.34em;
  width:21px;height:21px;border-radius:7px;background:var(--brand-light);color:var(--brand-deep);
  font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.prose blockquote{
  margin:1.5em 0;padding:18px 22px;background:var(--brand-light);
  border-left:4px solid var(--brand);border-radius:0 var(--r-sm) var(--r-sm) 0;color:#26413E;
}
.prose blockquote p:last-child{margin-bottom:0;}
.prose img{border-radius:var(--r-md);margin:1.6em auto;box-shadow:var(--sh-1);}
.prose figure{margin:1.7em 0;}
.prose figcaption{text-align:center;font-size:13px;color:var(--ink-2);margin-top:10px;}
.prose table{
  width:100%;border-collapse:separate;border-spacing:0;margin:1.6em 0;
  border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;font-size:15px;
  box-shadow:var(--sh-1);background:#fff;
}
.prose thead th{background:var(--bg-alt);font-weight:700;color:var(--ink);}
.prose th,.prose td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--line);}
.prose tbody tr:last-child td{border-bottom:none;}
.prose tbody tr:hover{background:#FBFBF9;}
.prose strong{font-weight:700;color:var(--ink);}
.prose code{background:var(--bg-alt);border-radius:6px;padding:2px 7px;font-size:14px;}

.empty-card{
  border:1.5px dashed rgba(0,179,154,.45);background:#fff;border-radius:var(--r-lg);
  padding:56px 32px;text-align:center;box-shadow:var(--sh-1);
}
.empty-card .empty-icon{
  width:64px;height:64px;border-radius:20px;background:var(--brand-light);color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;font-size:26px;margin:0 auto 20px;
}
.empty-card h2{font-size:22px;font-weight:700;margin-bottom:10px;}
.empty-card p{color:var(--ink-2);font-size:15px;margin-bottom:24px;}

.back-cat{
  display:inline-flex;align-items:center;gap:8px;margin-top:40px;font-size:14.5px;font-weight:600;
  color:var(--brand-deep);background:var(--brand-light);padding:11px 20px;border-radius:var(--pill);
  transition:all .22s ease;
}
.back-cat:hover{background:#D5F1EC;color:var(--brand-deep);transform:translateX(-3px);}

.pager-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:34px;}
.pager-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px 22px;box-shadow:var(--sh-1);transition:all .25s ease;
}
.pager-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(0,179,154,.4);}
.pager-card.is-next{text-align:right;}
.pager-label{display:block;font-size:12.5px;font-weight:600;color:var(--brand);margin-bottom:8px;letter-spacing:.4px;}
.pager-title{display:block;font-size:15.5px;font-weight:600;color:var(--ink);line-height:1.55;}
.pager-card:hover .pager-title{color:var(--brand-deep);}

.related{margin-top:56px;}
.related-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px;}
.related-head h2{font-size:24px;font-weight:700;}
.related-head .more-link{font-size:14px;font-weight:600;color:var(--brand-deep);display:inline-flex;align-items:center;gap:6px;}
.related-head .more-link:hover{gap:10px;}
.related-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.rel-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-1);transition:all .25s ease;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(0,179,154,.4);}
.rel-feature{grid-column:1 / -1;display:grid;grid-template-columns:290px minmax(0,1fr);}
.rel-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-alt);}
.rel-feature .rel-thumb{aspect-ratio:auto;height:100%;min-height:210px;}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.05);}
.rel-body{padding:20px 22px;}
.rel-tag{
  display:inline-block;background:var(--brand-light);color:var(--brand-deep);
  font-size:12px;font-weight:600;padding:4px 11px;border-radius:var(--pill);margin-bottom:12px;
}
.rel-title{
  font-size:17px;font-weight:700;color:var(--ink);line-height:1.5;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-feature .rel-title{font-size:20px;}
.rel-card:hover .rel-title{color:var(--brand-deep);}
.rel-desc{
  font-size:14.5px;line-height:1.7;color:var(--ink-2);margin-bottom:14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-meta{font-size:12.5px;color:#8B9795;display:flex;align-items:center;gap:10px;}

/* ---------- aside ---------- */
.aside-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);padding:22px 20px;margin-bottom:20px;
}
.aside-title{
  display:flex;align-items:center;gap:9px;font-size:15px;font-weight:700;color:var(--ink);margin-bottom:16px;
}
.aside-title i{color:var(--brand);}
.toc-list a{
  display:block;font-size:14px;color:var(--ink-2);padding:9px 11px;border-radius:10px;
  line-height:1.5;border-left:2px solid transparent;transition:all .2s ease;
}
.toc-list a:hover{background:var(--brand-light);color:var(--brand-deep);border-left-color:var(--brand);}
.aside-links a{
  display:flex;align-items:center;gap:9px;font-size:14px;color:var(--ink-2);padding:10px 0;
  border-bottom:1px dashed var(--line);
}
.aside-links a:last-child{border-bottom:none;}
.aside-links a:hover{color:var(--brand-deep);}
.aside-links a i{font-size:12px;color:var(--brand);}
.aside-note{font-size:13.5px;line-height:1.75;color:var(--ink-2);margin:0;}

/* ---------- CTA ---------- */
.cta-band{padding:74px 0 78px;}
.cta-inner{
  border-radius:26px;padding:48px 52px;color:#fff;
  background-image:var(--brand-grad);
  box-shadow:0 24px 50px rgba(0,179,154,.24);
  display:flex;align-items:center;justify-content:space-between;gap:34px;
  position:relative;overflow:hidden;
}
.cta-inner::after{
  content:"";position:absolute;right:-70px;top:-90px;width:280px;height:280px;border-radius:50%;
  background:rgba(255,255,255,.14);
}
.cta-inner::before{
  content:"";position:absolute;right:120px;bottom:-120px;width:200px;height:200px;border-radius:50%;
  background:rgba(255,255,255,.10);
}
.cta-text{position:relative;z-index:1;max-width:640px;}
.cta-text h2{font-size:27px;font-weight:800;margin-bottom:10px;color:#fff;}
.cta-text p{font-size:15px;line-height:1.75;color:rgba(255,255,255,.92);}
.cta-actions{position:relative;z-index:1;display:flex;gap:12px;flex-shrink:0;}

/* ---------- footer ---------- */
.site-footer{
  background-image:linear-gradient(135deg,#0B2224 0%,#123A38 100%);
  color:var(--dark-text);padding:64px 0 0;
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px;padding-bottom:46px;}
.foot-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff;margin-bottom:16px;}
.foot-brand .brand-mark{
  width:36px;height:36px;border-radius:11px;background-image:var(--brand-grad);
  display:inline-flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:18px;
}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(234,243,241,.72);}
.foot-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.foot-list a{display:block;font-size:14px;color:rgba(234,243,241,.74);padding:6px 0;transition:color .2s ease;}
.foot-list a:hover{color:var(--dark-link);}
.foot-contact li{display:flex;gap:10px;font-size:14px;color:rgba(234,243,241,.74);padding:6px 0;line-height:1.65;}
.foot-contact li i{color:var(--dark-link);margin-top:5px;}
.foot-bottom{
  border-top:1px solid rgba(234,243,241,.14);padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(234,243,241,.62);
}
.back-top{
  display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:600;
  color:var(--dark-link);border:1px solid rgba(127,227,205,.4);border-radius:var(--pill);
  padding:8px 16px;transition:all .22s ease;
}
.back-top:hover{background:rgba(127,227,205,.12);color:#fff;transform:translateY(-2px);}

/* ---------- responsive ---------- */
@media (min-width:1200px){
  .article-grid{grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start;}
  .article-aside{position:sticky;top:96px;}
}
@media (max-width:1199px){
  .article-aside{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:8px;}
  .aside-card{margin-bottom:0;}
}
@media (max-width:991px){
  .nav-links{display:none;}
  .menu-toggle{display:inline-flex;}
  .header-actions .btn{display:none;}
  .header-inner{height:60px;gap:14px;}
  .nav-drawer{top:60px;}
  .brand-text{font-size:15.5px;}
  .article-page{padding-top:88px;}
  .article-head h1{font-size:30px;}
  .rel-feature{grid-template-columns:1fr;}
  .rel-feature .rel-thumb{min-height:0;aspect-ratio:16/10;}
  .cta-inner{padding:40px 34px;flex-direction:column;align-items:flex-start;}
  .cta-text h2{font-size:23px;}
  .cta-actions{width:100%;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  .article-head h1{font-size:26px;}
  .prose h2{font-size:21px;}
  .prose h3{font-size:17.5px;}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .pager-grid{grid-template-columns:minmax(0,1fr);}
  .pager-card.is-next{text-align:left;}
  .article-aside{grid-template-columns:minmax(0,1fr);}
  .share-group{margin-left:0;}
  .prose table{font-size:14px;}
  .prose th,.prose td{padding:11px 12px;}
}
@media (max-width:575px){
  .container{padding:0 16px;}
  .article-page{padding-top:80px;}
  .article-head h1{font-size:23px;line-height:1.4;}
  .meta-row{font-size:12.5px;gap:10px;}
  .cta-band{padding:50px 0 56px;}
  .cta-inner{padding:32px 24px;border-radius:20px;}
  .cta-actions{flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .foot-grid{grid-template-columns:minmax(0,1fr);}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
  .empty-card{padding:40px 20px;}
  .related-head{flex-direction:column;align-items:flex-start;gap:8px;}
}

/* roulang page: category2 */
:root{
  --primary:#00B39A;
  --primary-dark:#06786B;
  --primary-light:#E6F7F4;
  --grad-primary:linear-gradient(135deg,#00B39A,#14D7B0);
  --accent:#FF9E2C;
  --grad-accent:linear-gradient(135deg,#FF9E2C,#FFC15A);
  --ink:#101B1D;
  --ink-soft:#5B6767;
  --line:#E6E4DD;
  --bg:#F7F6F2;
  --bg-alt:#F1F0EA;
  --card:#FFFFFF;
  --dark-1:#0B2224;
  --dark-2:#123A38;
  --on-dark:#EAF3F1;
  --link-dark:#7FE3CD;
  --success:#2FA36B;
  --warn:#D9553F;
  --muted:#9AA3A1;
  --r-lg:20px;
  --r-md:14px;
  --r-img:16px;
  --r-input:12px;
  --sh-1:0 2px 10px rgba(16,27,29,.05);
  --sh-2:0 12px 28px rgba(16,27,29,.10);
  --sh-nav:0 8px 24px rgba(16,27,29,.06);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color .25s ease,background-color .25s ease,transform .25s ease;}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.32;letter-spacing:.2px;}
p{margin:0;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
.container{padding-left:20px;padding-right:20px;max-width:1240px;}
@media (min-width:1400px){.container{max-width:1280px;}}

/* ---------- 头部导航 ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1050;
  background:rgba(255,255,255,.55);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(230,228,221,.85);
  box-shadow:var(--sh-nav);
  transition:background-color .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.94);
  box-shadow:0 10px 26px rgba(16,27,29,.08);
  border-bottom-color:var(--line);
}
.header-inner{
  height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.brand-mark{
  width:38px;height:38px;
  border-radius:12px;
  background:var(--grad-primary);
  color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:800;font-size:18px;
  box-shadow:0 6px 16px rgba(0,179,154,.28);
}
.brand-text{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:.2px;}
.nav-links{display:flex;align-items:center;gap:2px;}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  height:40px;padding:0 14px;
  font-size:15px;
  color:var(--ink-soft);
  border-radius:999px;
  white-space:nowrap;
}
.nav-link:hover{color:var(--primary-dark);background:rgba(0,179,154,.08);}
.nav-link.is-active{color:var(--primary-dark);font-weight:600;}
.nav-link.is-active::after{
  content:"";
  position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  border-radius:2px;
  background:var(--grad-primary);
}
.header-actions{display:flex;align-items:center;gap:10px;flex:none;}
.icon-btn{
  width:42px;height:42px;border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink-soft);
  display:inline-flex;align-items:center;justify-content:center;
  transition:.25s;
}
.icon-btn:hover{color:var(--primary-dark);border-color:#BFEDE4;box-shadow:var(--sh-1);}
.menu-btn{
  width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  display:none;align-items:center;justify-content:center;
}
.mobile-panel{
  display:none;
  position:fixed;
  top:82px;left:16px;right:16px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:20px;
  box-shadow:0 18px 42px rgba(16,27,29,.14);
  padding:16px;
  z-index:1049;
  transform:translateY(-10px);
  opacity:0;
  pointer-events:none;
  transition:opacity .25s ease,transform .25s ease;
}
.mobile-panel.is-open{opacity:1;transform:translateY(0);pointer-events:auto;}
.mobile-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:14px;}
.mobile-nav a{
  padding:12px 14px;
  border-radius:12px;
  font-size:15px;
  color:var(--ink-soft);
}
.mobile-nav a:hover{background:var(--primary-light);color:var(--primary-dark);}
.mobile-nav a.is-active{background:var(--primary-light);color:var(--primary-dark);font-weight:600;}

/* ---------- 按钮 ---------- */
.btn-pill{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;
  border-radius:999px;
  font-size:15px;font-weight:600;
  transition:transform .25s ease,box-shadow .25s ease,filter .25s ease,background-color .25s ease,color .25s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--grad-primary);
  color:#fff;
  box-shadow:0 8px 20px rgba(0,179,154,.26);
}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 14px 30px rgba(0,179,154,.34);color:#fff;}
.btn-primary:active{transform:translateY(1px);}
.btn-outline{
  background:#fff;
  color:var(--primary-dark);
  border:1px solid var(--primary);
}
.btn-outline:hover{background:var(--primary-light);transform:translateY(-2px);color:var(--primary-dark);}
.btn-ghost{
  background:transparent;
  color:#fff;
  border:1px solid rgba(255,255,255,.62);
}
.btn-ghost:hover{background:rgba(255,255,255,.16);color:#fff;transform:translateY(-2px);}
.btn-white{
  background:#fff;color:var(--primary-dark);
  box-shadow:0 10px 26px rgba(6,60,54,.18);
}
.btn-white:hover{transform:translateY(-2px);color:var(--primary-dark);box-shadow:0 16px 34px rgba(6,60,54,.24);}
.btn-sm{height:42px;padding:0 20px;font-size:14px;}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  min-height:260px;
  padding:126px 0 48px;
  color:#fff;
  background-image:linear-gradient(135deg,rgba(6,120,107,.80),rgba(0,179,154,.68)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;inset:0;
  background:
    radial-gradient(circle at 88% 20%,rgba(255,255,255,.16),transparent 42%),
    radial-gradient(circle at 12% 96%,rgba(255,158,44,.20),transparent 46%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;max-width:820px;}
.breadcrumb-nav{
  display:flex;align-items:center;gap:10px;
  font-size:13px;
  color:rgba(255,255,255,.82);
  margin-bottom:16px;
}
.breadcrumb-nav a{color:rgba(255,255,255,.9);}
.breadcrumb-nav a:hover{color:#fff;text-decoration:underline;}
.breadcrumb-nav .sep{opacity:.6;}
.page-hero h1{
  font-size:40px;
  font-weight:800;
  color:#fff;
  letter-spacing:.5px;
  margin-bottom:14px;
  text-shadow:0 2px 12px rgba(4,50,45,.25);
}
.hero-sub{
  font-size:16px;
  line-height:1.7;
  color:rgba(255,255,255,.92);
  max-width:640px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.hero-tag{
  display:inline-flex;align-items:center;gap:6px;
  height:32px;padding:0 14px;
  border-radius:999px;
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.32);
  font-size:13px;
  color:#fff;
}

/* ---------- 通用板块 ---------- */
.section{padding:76px 0;}
.section-alt{background:var(--bg-alt);}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:36px;
}
.section-head .head-text{max-width:720px;}
.section-title{font-size:28px;font-weight:700;color:var(--ink);margin-bottom:12px;}
.section-desc{font-size:15px;color:var(--ink-soft);line-height:1.8;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--primary-dark);
  white-space:nowrap;
}
.text-link:hover{color:var(--primary);transform:translateX(3px);}

/* ---------- 筛选胶囊 ---------- */
.filter-bar{
  display:flex;flex-wrap:wrap;gap:10px;
  padding:6px 4px 28px;
}
.chip{
  height:38px;padding:0 18px;
  border-radius:999px;
  background:#fff;
  border:1px solid var(--line);
  color:var(--ink-soft);
  font-size:14px;
  transition:.25s;
}
.chip:hover{border-color:#BFEDE4;color:var(--primary-dark);}
.chip.is-active{
  background:var(--grad-primary);
  color:#fff;
  border-color:transparent;
  box-shadow:0 8px 18px rgba(0,179,154,.25);
}

/* ---------- 卡片网格 ---------- */
.card-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:26px;
}
.topic-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#BFEDE4;}
.topic-card .card-media{padding:14px 14px 0;}
.topic-card .card-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:var(--r-img);
}
.topic-card .card-body{
  padding:20px 24px 26px;
  display:flex;flex-direction:column;gap:12px;
  flex:1;
}
.tag-soft{
  display:inline-flex;align-items:center;gap:6px;
  align-self:flex-start;
  height:26px;padding:0 12px;
  border-radius:999px;
  background:var(--primary-light);
  color:var(--primary-dark);
  font-size:12.5px;font-weight:600;
}
.card-title{font-size:20px;font-weight:600;color:var(--ink);}
.topic-card:hover .card-title{color:var(--primary-dark);}
.card-text{font-size:15px;line-height:1.78;color:var(--ink-soft);}
.point-list{display:flex;flex-direction:column;gap:8px;margin-top:2px;}
.point-list li{display:flex;gap:9px;align-items:flex-start;font-size:14px;color:var(--ink-soft);}
.point-list li::before{
  content:"";
  flex:none;
  width:6px;height:6px;
  border-radius:2px;
  margin-top:9px;
  background:var(--grad-primary);
}
.card-link{
  display:inline-flex;align-items:center;gap:7px;
  margin-top:auto;
  font-size:14px;font-weight:600;
  color:var(--primary-dark);
}
.card-link:hover{gap:11px;color:var(--primary);}
.topic-card--wide{
  grid-column:1 / -1;
  flex-direction:row;
  align-items:stretch;
}
.topic-card--wide .card-media{flex:0 0 46%;padding:14px 0 14px 14px;}
.topic-card--wide .card-media img{height:100%;aspect-ratio:auto;min-height:250px;}
.topic-card--wide .card-body{flex:1 1 54%;justify-content:center;padding:30px 34px;}

/* ---------- 分页样式位 ---------- */
.pager{
  display:flex;align-items:center;justify-content:center;flex-wrap:wrap;
  gap:10px;margin-top:38px;
}
.page-item,.page-btn{
  min-width:42px;height:42px;
  padding:0 14px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink-soft);
  font-size:14px;
}
.page-item.is-current{
  background:var(--grad-primary);
  color:#fff;border-color:transparent;
  box-shadow:0 8px 18px rgba(0,179,154,.24);
  font-weight:600;
}
.page-btn.is-disabled{background:var(--bg-alt);color:var(--muted);}

/* ---------- 深色数据面板 ---------- */
.dark-panel{
  position:relative;
  background:linear-gradient(135deg,var(--dark-1),var(--dark-2));
  border-radius:28px;
  padding:56px;
  color:var(--on-dark);
  overflow:hidden;
  box-shadow:0 24px 56px rgba(11,34,36,.24);
}
.dark-panel::before{
  content:"";
  position:absolute;top:-90px;right:-60px;
  width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,179,154,.35),transparent 68%);
  pointer-events:none;
}
.dark-panel::after{
  content:"";
  position:absolute;left:-70px;bottom:-110px;
  width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,158,44,.20),transparent 70%);
  pointer-events:none;
}
.dark-panel .panel-inner{position:relative;z-index:2;}
.dark-title{font-size:28px;font-weight:700;color:#fff;margin-bottom:12px;}
.dark-desc{font-size:15px;line-height:1.8;color:rgba(234,243,241,.82);max-width:680px;}
.stat-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:18px;
  margin:34px 0 8px;
}
.stat-badge{
  display:flex;flex-direction:column;gap:4px;
  padding:20px 20px;
  border-radius:16px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(127,227,205,.22);
  transition:.3s;
}
.stat-badge:hover{background:rgba(0,179,154,.16);border-color:rgba(127,227,205,.42);}
.stat-badge .num{
  font-size:30px;font-weight:800;line-height:1.1;
  color:var(--link-dark);
  font-variant-numeric:tabular-nums;
}
.stat-badge .num.accent{
  background:var(--grad-accent);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.stat-badge .label{font-size:13.5px;color:rgba(234,243,241,.78);}
.meter{margin-top:22px;}
.meter-head{
  display:flex;align-items:center;justify-content:space-between;
  font-size:14px;color:rgba(234,243,241,.86);margin-bottom:8px;
}
.meter-head .pct{font-variant-numeric:tabular-nums;color:#fff;font-weight:600;}
.meter-track{
  height:8px;border-radius:999px;
  background:rgba(255,255,255,.12);
  overflow:hidden;
}
.meter-fill{height:100%;border-radius:999px;background:var(--grad-primary);}
.meter-fill.accent{background:var(--grad-accent);}

/* ---------- 自查清单 ---------- */
.check-layout{
  display:grid;
  grid-template-columns:0.85fr 1.15fr;
  gap:44px;
  align-items:start;
}
.check-list{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:18px;
}
.check-item{
  display:flex;gap:14px;align-items:flex-start;
  padding:20px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  transition:.3s;
}
.check-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#BFEDE4;}
.check-item i{
  flex:none;
  width:34px;height:34px;border-radius:10px;
  background:var(--primary-light);
  color:var(--primary-dark);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;
}
.check-item h3{font-size:15.5px;font-weight:600;margin-bottom:4px;}
.check-item p{font-size:13.8px;color:var(--ink-soft);line-height:1.7;}

/* ---------- 横向滚动提示卡 ---------- */
.scroll-row{
  display:flex;gap:20px;
  overflow-x:auto;
  padding:6px 4px 22px;
  scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;
}
.scroll-row::-webkit-scrollbar{height:6px;}
.scroll-row::-webkit-scrollbar-thumb{background:#CFE9E3;border-radius:999px;}
.scroll-card{
  flex:0 0 320px;
  scroll-snap-align:start;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:26px 24px;
  display:flex;flex-direction:column;gap:12px;
  transition:.3s;
}
.scroll-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#BFEDE4;}
.scroll-icon{
  width:44px;height:44px;border-radius:13px;
  background:var(--grad-primary);
  color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:17px;
  box-shadow:0 8px 18px rgba(0,179,154,.24);
}
.scroll-icon.accent{background:var(--grad-accent);box-shadow:0 8px 18px rgba(255,158,44,.26);}
.scroll-card h3{font-size:17px;font-weight:600;}
.scroll-card p{font-size:14px;color:var(--ink-soft);line-height:1.75;}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--grad-primary);
  border-radius:28px;
  padding:46px 50px;
  display:flex;align-items:center;justify-content:space-between;
  gap:34px;
  color:#fff;
  box-shadow:0 20px 46px rgba(0,179,154,.28);
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;right:-80px;top:-70px;
  width:280px;height:280px;border-radius:50%;
  background:rgba(255,255,255,.14);
  pointer-events:none;
}
.cta-band .cta-text{position:relative;z-index:2;max-width:680px;}
.cta-band h2{font-size:26px;font-weight:700;color:#fff;margin-bottom:10px;}
.cta-band p{font-size:15px;color:rgba(255,255,255,.92);line-height:1.78;}
.cta-band .cta-actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:linear-gradient(135deg,var(--dark-1),var(--dark-2));
  color:var(--on-dark);
  padding:68px 0 0;
  margin-top:80px;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:42px;
}
.foot-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;margin-bottom:18px;color:#fff;}
.foot-brand .brand-mark{width:36px;height:36px;border-radius:12px;font-size:17px;}
.site-footer p{color:#BFD9D4;font-size:14px;line-height:1.85;}
.foot-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;}
.foot-list{display:flex;flex-direction:column;gap:12px;}
.foot-list a{color:var(--link-dark);font-size:14px;}
.foot-list a:hover{color:#fff;}
.foot-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:#BFD9D4;margin-bottom:12px;}
.foot-contact i{margin-top:6px;color:var(--link-dark);flex:none;}
.foot-bottom{
  margin-top:52px;
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;
  font-size:13px;color:#9FBFBA;
}
.back-top{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 18px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.08);
  color:var(--on-dark);
  font-size:13px;
  transition:.25s;
}
.back-top:hover{background:rgba(0,179,154,.30);color:#fff;border-color:rgba(127,227,205,.5);}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .nav-link{padding:0 10px;font-size:14px;}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .foot-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
  .foot-grid > div:last-child{grid-column:1 / -1;}
}
@media (max-width:991.98px){
  .nav-links{display:none;}
  .menu-btn{display:inline-flex;}
  .mobile-panel{display:block;}
  .header-actions .btn-pill{display:none;}
  .header-inner{height:64px;}
  .mobile-panel{top:74px;}
  .page-hero{padding:104px 0 42px;}
  .page-hero h1{font-size:30px;}
  .section{padding:56px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;}
  .section-title{font-size:24px;}
  .dark-panel{padding:38px 28px;border-radius:22px;}
  .check-layout{grid-template-columns:1fr;gap:28px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 30px;border-radius:22px;}
  .site-footer{padding-top:52px;margin-top:60px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .foot-grid > div:last-child{grid-column:auto;}
}
@media (max-width:767.98px){
  .brand-text{font-size:15px;}
  .brand-mark{width:34px;height:34px;font-size:16px;}
  .card-grid{grid-template-columns:1fr;gap:20px;}
  .topic-card--wide{flex-direction:column;}
  .topic-card--wide .card-media{flex:none;padding:14px 14px 0;}
  .topic-card--wide .card-media img{height:auto;aspect-ratio:16/10;min-height:0;}
  .topic-card--wide .card-body{padding:20px 24px 26px;justify-content:flex-start;}
  .check-list{grid-template-columns:1fr;}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;}
  .stat-badge .num{font-size:26px;}
  .scroll-card{flex:0 0 260px;padding:22px 20px;}
  .cta-band h2{font-size:22px;}
  .cta-band .cta-actions{width:100%;}
  .cta-band .cta-actions .btn-pill{flex:1 1 auto;}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px;}
  .page-hero{padding:96px 0 36px;}
  .page-hero h1{font-size:26px;line-height:1.38;}
  .hero-sub{font-size:15px;}
  .section{padding:44px 0;}
  .section-title{font-size:22px;}
  .dark-title{font-size:22px;}
  .dark-panel{padding:30px 22px;}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
  .pager{gap:8px;}
  .page-item,.page-btn{min-width:38px;height:38px;padding:0 11px;font-size:13px;}
  .check-item{padding:16px;}
  .topic-card .card-body{padding:18px 18px 22px;}
}

/* roulang page: category3 */
:root{
  --brand:#00B39A;
  --brand-deep:#06786B;
  --brand-light:#E6F7F4;
  --brand-grad:linear-gradient(135deg,#00B39A 0%,#14D7B0 100%);
  --amber:#FF9E2C;
  --amber-grad:linear-gradient(135deg,#FF9E2C 0%,#FFC15A 100%);
  --ink:#101B1D;
  --ink-2:#5B6767;
  --line:#E6E4DD;
  --bg:#F7F6F2;
  --bg-alt:#F1F0EA;
  --card:#FFFFFF;
  --dark-grad:linear-gradient(135deg,#0B2224 0%,#123A38 100%);
  --dark-text:#EAF3F1;
  --dark-link:#7FE3CD;
  --success:#2FA36B;
  --warning:#D9553F;
  --r-lg:20px;
  --r-md:14px;
  --r-img:16px;
  --r-in:12px;
  --sh-1:0 2px 10px rgba(16,27,29,.05);
  --sh-2:0 12px 28px rgba(16,27,29,.10);
  --sh-nav:0 8px 24px rgba(16,27,29,.06);
  --sec-pad:76px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-deep);text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--brand);}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;color:var(--ink);letter-spacing:.2px;}
h1{font-size:40px;font-weight:800;}
h2{font-size:28px;font-weight:700;}
h3{font-size:20px;font-weight:600;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.num{font-variant-numeric:tabular-nums;}

.container{max-width:1200px;padding-left:20px;padding-right:20px;}
@media (min-width:1200px){.container{max-width:1200px;}}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  background:rgba(255,255,255,.78);
  border-bottom:1px solid rgba(230,228,221,.85);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.94);
  box-shadow:var(--sh-nav);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:26px;
  height:72px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--ink);
  font-weight:800;
  font-size:17px;
  letter-spacing:.2px;
}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:36px;height:36px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:var(--brand-grad);
  color:#fff;
  font-weight:800;
  font-size:18px;
  box-shadow:0 6px 16px rgba(0,179,154,.28);
}
.brand-text{white-space:nowrap;}
.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:8px;
  flex:1 1 auto;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 12px;
  font-size:15px;
  color:var(--ink-2);
  border-radius:999px;
  white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--brand-deep);background:var(--brand-light);}
.nav-link.is-active{color:var(--brand-deep);font-weight:600;}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--brand-grad);
}
.header-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.icon-btn{
  width:42px;height:42px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;
  border:1px solid var(--line);
  background:rgba(255,255,255,.85);
  color:var(--ink-2);
  cursor:pointer;
  transition:.22s ease;
}
.icon-btn:hover{color:var(--brand-deep);border-color:#BFE9E1;background:var(--brand-light);}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  align-items:center;justify-content:center;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink);
  font-size:18px;
  cursor:pointer;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background-position .3s ease,color .2s ease,border-color .2s ease,filter .2s ease;
  white-space:nowrap;
}
.btn-primary{
  background-image:var(--brand-grad);
  background-size:140% 140%;
  background-position:0% 50%;
  color:#fff;
  box-shadow:0 8px 20px rgba(0,179,154,.26);
}
.btn-primary:hover{
  color:#fff;
  background-position:60% 50%;
  filter:brightness(1.05);
  box-shadow:0 12px 26px rgba(0,179,154,.32);
}
.btn-primary:active{transform:translateY(1px);}
.btn-outline{
  background:#fff;
  border-color:var(--brand);
  color:var(--brand-deep);
}
.btn-outline:hover{background:var(--brand-light);color:var(--brand-deep);box-shadow:var(--sh-1);}
.btn-ghost{
  background:transparent;
  border-color:rgba(255,255,255,.6);
  color:#fff;
}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}

/* ============ 内页 Hero ============ */
.page-hero{
  position:relative;
  min-height:260px;
  display:flex;
  align-items:center;
  background-image:linear-gradient(135deg,rgba(0,179,154,.72) 0%,rgba(6,120,107,.82) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  color:#fff;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-80px;top:-60px;
  width:340px;height:340px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.18),rgba(255,255,255,0) 70%);
}
.page-hero .container{position:relative;z-index:2;padding-top:44px;padding-bottom:44px;}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.86);
  margin-bottom:14px;
}
.crumb a{color:rgba(255,255,255,.9);}
.crumb a:hover{color:#fff;text-decoration:underline;}
.crumb span.sep{opacity:.6;}
.page-hero h1{color:#fff;font-size:36px;margin-bottom:12px;}
.page-hero .hero-desc{
  max-width:760px;
  font-size:16px;
  color:rgba(255,255,255,.92);
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
.hero-tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;
  border-radius:999px;
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.28);
  color:#fff;
  font-size:13px;
}

/* ============ 通用板块 ============ */
.section{padding:var(--sec-pad) 0;}
.section-alt{background:var(--bg-alt);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;
  color:var(--brand-deep);
  background:var(--brand-light);
  padding:6px 14px;
  border-radius:999px;
  margin-bottom:16px;
}
.section-head h2{margin-bottom:14px;}
.section-head p{color:var(--ink-2);font-size:16px;}

/* 导语区 */
.intro-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:48px;
  align-items:center;
}
.intro-media{
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-2);
  border:1px solid var(--line);
  background:#fff;
}
.intro-media img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.intro-points{margin-top:26px;display:grid;gap:14px;}
.intro-points li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  font-size:15px;
  color:var(--ink-2);
}
.intro-points i{
  flex:0 0 auto;
  width:26px;height:26px;
  border-radius:9px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-light);
  color:var(--brand-deep);
  font-size:12px;
  margin-top:3px;
}

/* 数据徽章带 */
.stat-band{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
  margin-top:44px;
}
.stat-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:20px 22px;
  box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.stat-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#BFE9E1;}
.stat-item .num-line{
  font-size:28px;
  font-weight:800;
  color:var(--brand-deep);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.stat-item .num-line em{font-style:normal;font-size:16px;margin-left:2px;color:var(--ink-2);font-weight:600;}
.stat-item .cap{font-size:13px;color:var(--ink-2);margin-top:6px;}

/* 时间线 */
.timeline-wrap{
  display:grid;
  grid-template-columns:300px 1fr;
  gap:56px;
  align-items:start;
}
.timeline-aside{
  position:sticky;
  top:104px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px 26px;
  box-shadow:var(--sh-1);
}
.timeline-aside h3{font-size:19px;margin-bottom:12px;}
.timeline-aside p{font-size:14px;color:var(--ink-2);}
.aside-list{margin-top:20px;display:grid;gap:12px;}
.aside-list li{
  display:flex;gap:10px;align-items:center;
  font-size:14px;color:var(--ink-2);
}
.aside-list li i{color:var(--brand);font-size:13px;}
.timeline{
  position:relative;
  padding-left:64px;
}
.timeline::before{
  content:"";
  position:absolute;
  left:21px;top:10px;bottom:10px;
  width:2px;
  border-radius:2px;
  background:linear-gradient(180deg,var(--brand) 0%,#14D7B0 45%,rgba(0,179,154,.12) 100%);
}
.tl-item{
  position:relative;
  margin-bottom:24px;
}
.tl-item:last-child{margin-bottom:0;}
.tl-dot{
  position:absolute;
  left:-64px;
  top:2px;
  width:44px;height:44px;
  border-radius:50%;
  background:#fff;
  border:2px solid var(--brand);
  color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;
  font-weight:800;
  font-size:16px;
  font-variant-numeric:tabular-nums;
  box-shadow:0 6px 16px rgba(0,179,154,.16);
}
.tl-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:24px 26px;
  box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#BFE9E1;}
.tl-card h3{font-size:19px;margin-bottom:10px;display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.tl-card p{color:var(--ink-2);font-size:15px;}
.pill{
  display:inline-flex;align-items:center;
  padding:3px 11px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  background:var(--brand-light);
  color:var(--brand-deep);
}
.pill-amber{background:#FFF3E2;color:#B96A00;}

/* 设备适配横滑 */
.dev-scroll{
  display:flex;
  gap:22px;
  overflow-x:auto;
  padding:6px 4px 20px;
  scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;
}
.dev-scroll::-webkit-scrollbar{height:8px;}
.dev-scroll::-webkit-scrollbar-thumb{background:#D6E9E5;border-radius:999px;}
.dev-card{
  flex:0 0 316px;
  scroll-snap-align:start;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.dev-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#BFE9E1;}
.dev-card .thumb{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-bottom:1px solid var(--line);
}
.dev-card .body{padding:22px 22px 24px;}
.dev-card h3{font-size:18px;margin-bottom:10px;}
.dev-card p{font-size:14px;color:var(--ink-2);}
.dev-meta{
  display:flex;flex-wrap:wrap;gap:8px;
  margin-top:16px;
}
.dev-meta span{
  font-size:12px;
  color:var(--ink-2);
  background:var(--bg-alt);
  border:1px solid var(--line);
  padding:4px 10px;
  border-radius:999px;
}

/* 现象速查 */
.note-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:20px;
}
.note-card{
  display:flex;
  gap:16px;
  background:#fff;
  border:1px solid var(--line);
  border-left:4px solid transparent;
  border-image:linear-gradient(180deg,#00B39A,#14D7B0) 1;
  border-radius:var(--r-md);
  padding:22px 24px;
  box-shadow:var(--sh-1);
  border-image-slice:1;
  transition:transform .22s ease,box-shadow .22s ease;
}
.note-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.note-icon{
  flex:0 0 auto;
  width:40px;height:40px;
  border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-light);
  color:var(--brand-deep);
  font-size:16px;
}
.note-card h3{font-size:17px;margin-bottom:6px;}
.note-card p{font-size:14px;color:var(--ink-2);}

/* FAQ */
.faq-grid{
  display:grid;
  grid-template-columns:.85fr 1.15fr;
  gap:52px;
  align-items:start;
}
.faq-intro{position:sticky;top:104px;}
.faq-intro h2{margin-bottom:14px;}
.faq-intro p{color:var(--ink-2);margin-bottom:22px;}
.accordion-item{
  border:1px solid var(--line) !important;
  border-radius:var(--r-img) !important;
  margin-bottom:12px;
  overflow:hidden;
  background:#fff;
  box-shadow:var(--sh-1);
}
.accordion-button{
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  background:#fff;
  padding:18px 22px;
  box-shadow:none !important;
}
.accordion-button:not(.collapsed){
  background:var(--brand-light);
  color:var(--brand-deep);
  border-left:3px solid var(--brand);
}
.accordion-button::after{
  background-image:none;
  content:"+";
  font-size:20px;
  line-height:1;
  display:flex;align-items:center;justify-content:center;
  width:26px;height:26px;
  border-radius:50%;
  border:1px solid var(--line);
  color:var(--brand-deep);
  transition:transform .25s ease,background .25s ease;
}
.accordion-button:not(.collapsed)::after{
  content:"–";
  transform:rotate(180deg);
  background:#fff;
}
.accordion-body{
  padding:6px 22px 22px;
  color:var(--ink-2);
  font-size:15px;
  background:#fff;
}

/* CTA */
.cta-card{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-lg);
  background:linear-gradient(135deg,#0B2224 0%,#123A38 100%);
  color:var(--dark-text);
  padding:52px 56px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  box-shadow:var(--sh-2);
}
.cta-card::before{
  content:"";
  position:absolute;
  right:-60px;top:-80px;
  width:320px;height:320px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(20,215,176,.28),rgba(20,215,176,0) 70%);
}
.cta-card > *{position:relative;z-index:2;}
.cta-card h2{color:#fff;font-size:26px;margin-bottom:12px;}
.cta-card p{color:rgba(234,243,241,.82);font-size:15px;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* 页脚 */
.site-footer{
  background:var(--dark-grad);
  color:var(--dark-text);
  padding:64px 0 26px;
  margin-top:0;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.3fr;
  gap:40px;
}
.foot-brand{
  display:flex;align-items:center;gap:10px;
  font-weight:800;font-size:17px;color:#fff;
  margin-bottom:16px;
}
.foot-brand .brand-mark{background:#fff;color:var(--brand-deep);}
.site-footer p{color:rgba(234,243,241,.72);font-size:14px;line-height:1.8;}
.foot-title{
  font-size:15px;font-weight:700;color:#fff;
  margin-bottom:16px;
}
.foot-list{display:grid;gap:10px;}
.foot-list a{color:rgba(234,243,241,.78);font-size:14px;}
.foot-list a:hover{color:var(--dark-link);}
.foot-contact{display:grid;gap:12px;}
.foot-contact li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;color:rgba(234,243,241,.78);
}
.foot-contact i{color:var(--dark-link);margin-top:4px;font-size:13px;}
.foot-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid rgba(234,243,241,.14);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(234,243,241,.62);
}
.back-top{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(234,243,241,.2);
  color:var(--dark-text);
  border-radius:999px;
  padding:8px 16px;
  font-size:13px;
  cursor:pointer;
  transition:.22s ease;
}
.back-top:hover{background:rgba(127,227,205,.16);color:var(--dark-link);border-color:rgba(127,227,205,.4);}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .foot-grid{grid-template-columns:1.4fr 1fr 1fr;}
  .foot-grid > div:last-child{grid-column:1 / -1;}
}
@media (max-width:991.98px){
  :root{--sec-pad:52px;}
  h1{font-size:30px;}
  h2{font-size:23px;}
  .nav-toggle{display:inline-flex;}
  .nav-links{
    position:fixed;
    top:84px;
    left:16px;
    right:16px;
    margin-left:0;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    padding:16px;
    box-shadow:var(--sh-2);
    opacity:0;
    visibility:hidden;
    transform:translateY(-12px);
    transition:opacity .25s ease,transform .25s ease,visibility .25s;
    max-height:calc(100vh - 120px);
    overflow-y:auto;
  }
  body.nav-open .nav-links{opacity:1;visibility:visible;transform:none;}
  .nav-link{padding:12px 14px;border-radius:12px;font-size:15px;}
  .nav-link.is-active::after{display:none;}
  .header-actions .btn-sm{display:none;}
  .intro-grid{grid-template-columns:1fr;gap:32px;}
  .timeline-wrap{grid-template-columns:1fr;gap:32px;}
  .timeline-aside{position:static;}
  .faq-grid{grid-template-columns:1fr;gap:28px;}
  .faq-intro{position:static;}
  .page-hero h1{font-size:28px;}
}
@media (max-width:767.98px){
  .stat-band{grid-template-columns:repeat(2,1fr);}
  .note-grid{grid-template-columns:1fr;}
  .cta-card{flex-direction:column;align-items:flex-start;padding:36px 26px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .timeline{padding-left:54px;}
  .tl-dot{left:-54px;width:38px;height:38px;font-size:14px;}
  .timeline::before{left:18px;}
  .page-hero{min-height:220px;}
}
@media (max-width:575.98px){
  :root{--sec-pad:44px;}
  h1{font-size:26px;}
  h2{font-size:21px;}
  .header-inner{height:60px;gap:12px;}
  .brand{font-size:15px;}
  .brand-text{max-width:150px;overflow:hidden;text-overflow:ellipsis;}
  .nav-links{top:72px;}
  .stat-band{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr;}
  .dev-card{flex:0 0 84%;}
  .btn{width:100%;}
  .cta-actions{width:100%;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
  .page-hero h1{font-size:24px;}
  .page-hero .hero-desc{font-size:14px;}
}

/* roulang page: category4 */
:root{
    --brand:#00B39A;
    --brand-deep:#06786B;
    --brand-soft:#E6F7F4;
    --grad-brand:linear-gradient(135deg,#00B39A 0%,#14D7B0 100%);
    --amber:#FF9E2C;
    --grad-amber:linear-gradient(135deg,#FF9E2C 0%,#FFC15A 100%);
    --ink:#101B1D;
    --ink-2:#5B6767;
    --line:#E6E4DD;
    --bg:#F7F6F2;
    --bg-alt:#F1F0EA;
    --card:#FFFFFF;
    --dark-1:#0B2224;
    --dark-2:#123A38;
    --dark-text:#EAF3F1;
    --dark-link:#7FE3CD;
    --ok:#2FA36B;
    --warn:#D9553F;
    --r-lg:20px;
    --r-md:14px;
    --r-img:16px;
    --r-input:12px;
    --sh-1:0 2px 10px rgba(16,27,29,.05);
    --sh-2:0 12px 28px rgba(16,27,29,.10);
    --sh-nav:0 8px 24px rgba(16,27,29,.06);
    --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:var(--font-cn);
    font-size:16px;
    line-height:1.75;
    color:var(--ink);
    background:var(--bg);
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;height:auto;display:block;}
  a{color:inherit;text-decoration:none;transition:color .2s ease;}
  a:hover{color:var(--brand-deep);}
  button{font-family:inherit;}
  h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;}
  p{margin:0;}
  ul{margin:0;padding:0;list-style:none;}
  .container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
  .num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
  :focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

  /* ---------- 头部导航 ---------- */
  .site-header{
    position:fixed;
    top:0;left:0;right:0;
    z-index:1040;
    background:rgba(255,255,255,.55);
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
    border-bottom:1px solid rgba(255,255,255,.55);
    box-shadow:var(--sh-nav);
    transition:background .3s ease,border-color .3s ease,box-shadow .3s ease;
  }
  .site-header.is-scrolled{
    background:rgba(255,255,255,.94);
    border-bottom-color:var(--line);
    box-shadow:0 6px 22px rgba(16,27,29,.08);
  }
  .header-inner{
    height:72px;
    display:flex;
    align-items:center;
    gap:24px;
  }
  .brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
  .brand-mark{
    width:38px;height:38px;
    display:inline-flex;align-items:center;justify-content:center;
    border-radius:12px;
    background:var(--grad-brand);
    color:#fff;font-weight:800;font-size:18px;
    box-shadow:0 6px 16px rgba(0,179,154,.28);
  }
  .brand-text{font-size:17px;font-weight:800;letter-spacing:.2px;color:var(--ink);}
  .nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:nowrap;}
  .nav-link{
    position:relative;
    padding:8px 12px;
    font-size:15px;
    font-weight:500;
    color:var(--ink-2);
    border-radius:10px;
    white-space:nowrap;
  }
  .nav-link:hover{color:var(--brand-deep);background:rgba(0,179,154,.07);}
  .nav-link.is-active{color:var(--brand-deep);font-weight:700;}
  .nav-link.is-active::after{
    content:"";
    position:absolute;
    left:12px;right:12px;bottom:2px;
    height:2px;border-radius:2px;
    background:var(--grad-brand);
  }
  .header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
  .icon-btn{
    width:42px;height:42px;
    display:inline-flex;align-items:center;justify-content:center;
    border-radius:999px;
    border:1px solid var(--line);
    background:rgba(255,255,255,.75);
    color:var(--ink-2);
    cursor:pointer;
    transition:all .22s ease;
  }
  .icon-btn:hover{color:var(--brand-deep);border-color:#bfe9e0;background:#fff;}
  .menu-btn{
    display:none;
    width:42px;height:42px;
    align-items:center;justify-content:center;
    border-radius:12px;
    border:1px solid var(--line);
    background:#fff;
    color:var(--ink);
    cursor:pointer;
  }
  .mobile-drawer{
    display:none;
    padding:12px 20px 20px;
  }
  .mobile-drawer .nav-link{display:block;padding:12px 14px;font-size:16px;border-radius:12px;}
  .mobile-drawer .nav-link.is-active{background:var(--brand-soft);}
  .mobile-drawer .nav-link.is-active::after{display:none;}
  .mobile-drawer .drawer-cta{margin-top:12px;display:flex;flex-direction:column;gap:10px;}
  .mobile-drawer.is-open{display:block;}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:46px;padding:0 24px;
    border-radius:999px;
    font-size:15px;font-weight:600;
    border:1px solid transparent;
    cursor:pointer;
    transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,background .2s ease,color .2s ease;
    text-align:center;
  }
  .btn i{font-size:14px;}
  .btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 10px 22px rgba(0,179,154,.26);}
  .btn-primary:hover{color:#fff;filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 14px 26px rgba(0,179,154,.32);}
  .btn-primary:active{transform:translateY(1px);}
  .btn-outline{background:#fff;border-color:#b9e6dc;color:var(--brand-deep);}
  .btn-outline:hover{background:var(--brand-soft);color:var(--brand-deep);transform:translateY(-1px);}
  .btn-light-solid{background:#fff;color:var(--brand-deep);}
  .btn-light-solid:hover{background:#eafff9;color:var(--brand-deep);transform:translateY(-1px);}
  .btn-ghost{background:transparent;border-color:rgba(255,255,255,.6);color:#fff;}
  .btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-1px);}
  .btn-sm{height:40px;padding:0 18px;font-size:14px;}
  .btn-block{width:100%;}

  /* ---------- 分类 Hero ---------- */
  .cat-hero{
    position:relative;
    padding:126px 0 44px;
    color:#fff;
    background-image:
      linear-gradient(135deg,rgba(0,179,154,.80) 0%,rgba(6,120,107,.88) 100%),
      url('/assets/images/backpic/back-2.webp');
    background-size:cover;
    background-position:center;
    overflow:hidden;
  }
  .cat-hero::after{
    content:"";
    position:absolute;
    right:-120px;top:-120px;
    width:420px;height:420px;
    border-radius:50%;
    background:radial-gradient(circle,rgba(255,255,255,.20) 0%,rgba(255,255,255,0) 68%);
    pointer-events:none;
  }
  .crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.82);margin-bottom:16px;flex-wrap:wrap;}
  .crumbs a{color:rgba(255,255,255,.88);}
  .crumbs a:hover{color:#fff;text-decoration:underline;}
  .crumbs .sep{opacity:.6;}
  .cat-hero h1{
    font-size:40px;
    font-weight:800;
    letter-spacing:.4px;
    max-width:860px;
    text-shadow:0 2px 14px rgba(4,44,40,.28);
  }
  .cat-hero .cat-sub{
    margin-top:14px;
    max-width:760px;
    font-size:16px;
    line-height:1.8;
    color:rgba(255,255,255,.92);
  }
  .hero-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px;}
  .chip{
    display:inline-flex;align-items:center;gap:6px;
    padding:6px 14px;
    border-radius:999px;
    font-size:13px;
    background:rgba(255,255,255,.16);
    border:1px solid rgba(255,255,255,.34);
    color:#fff;
  }
  .chip i{font-size:12px;}

  /* ---------- 通用板块 ---------- */
  .section{padding:76px 0;}
  .section-alt{background:var(--bg-alt);}
  .sec-head{max-width:780px;margin-bottom:34px;}
  .sec-eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    padding:5px 14px;border-radius:999px;
    background:var(--brand-soft);color:var(--brand-deep);
    font-size:13px;font-weight:600;margin-bottom:14px;
  }
  .sec-head h2{font-size:28px;font-weight:700;}
  .sec-head p{margin-top:12px;color:var(--ink-2);font-size:16px;line-height:1.8;}
  .sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}

  /* ---------- 引导双卡 ---------- */
  .lead-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px;align-items:stretch;}
  .lead-text{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    padding:34px;
    box-shadow:var(--sh-1);
  }
  .lead-text h2{font-size:26px;margin-bottom:14px;}
  .lead-text p{color:var(--ink-2);}
  .lead-text p + p{margin-top:12px;}
  .step-mini{display:grid;gap:14px;margin-top:22px;}
  .step-mini li{
    display:flex;gap:14px;align-items:flex-start;
    padding:16px 18px;
    background:var(--bg);
    border:1px solid var(--line);
    border-radius:var(--r-md);
  }
  .step-mini .dot{
    flex:0 0 auto;
    width:30px;height:30px;border-radius:10px;
    display:inline-flex;align-items:center;justify-content:center;
    background:var(--grad-amber);color:#fff;font-size:14px;font-weight:700;
  }
  .step-mini strong{display:block;font-size:15px;margin-bottom:2px;}
  .step-mini span{font-size:14px;color:var(--ink-2);line-height:1.7;}
  .lead-visual{
    position:relative;
    border-radius:var(--r-lg);
    overflow:hidden;
    border:1px solid var(--line);
    box-shadow:var(--sh-2);
    min-height:320px;
  }
  .lead-visual img{width:100%;height:100%;object-fit:cover;min-height:320px;}
  .lead-visual .float-badge{
    position:absolute;left:20px;bottom:20px;
    background:rgba(255,255,255,.94);
    backdrop-filter:blur(6px);
    border-radius:var(--r-md);
    padding:14px 18px;
    box-shadow:var(--sh-2);
    display:flex;align-items:center;gap:12px;
  }
  .float-badge .fb-icon{
    width:40px;height:40px;border-radius:12px;
    display:inline-flex;align-items:center;justify-content:center;
    background:var(--brand-soft);color:var(--brand-deep);font-size:17px;
  }
  .float-badge b{display:block;font-size:16px;}
  .float-badge small{color:var(--ink-2);font-size:12.5px;}

  /* ---------- 对比行卡 ---------- */
  .cmp-list{display:grid;gap:16px;}
  .cmp-row{
    position:relative;
    display:grid;
    grid-template-columns:300px minmax(0,1fr);
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    overflow:hidden;
    box-shadow:var(--sh-1);
    transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  }
  .cmp-row::before{
    content:"";
    position:absolute;left:0;top:0;bottom:0;width:4px;
    background:linear-gradient(180deg,#00B39A 0%,#14D7B0 100%);
  }
  .cmp-row:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#c9ece4;}
  .cmp-key{
    padding:26px 24px 26px 30px;
    background:linear-gradient(135deg,#EDF9F6 0%,#F5F4EF 100%);
    border-right:1px solid var(--line);
  }
  .cmp-key .k-tag{
    display:inline-flex;align-items:center;gap:6px;
    padding:4px 12px;border-radius:999px;
    background:#fff;border:1px solid #cdeee6;
    color:var(--brand-deep);font-size:12.5px;font-weight:600;
    margin-bottom:12px;
  }
  .cmp-key h3{font-size:18px;font-weight:700;line-height:1.5;}
  .cmp-val{padding:26px 30px;display:flex;flex-direction:column;justify-content:center;}
  .cmp-val p{font-size:15.5px;color:var(--ink-2);line-height:1.85;}
  .cmp-val p + p{margin-top:10px;}
  .cmp-val .val-title{
    font-size:13px;font-weight:700;color:var(--brand-deep);
    letter-spacing:.5px;margin-bottom:8px;display:flex;align-items:center;gap:8px;
  }
  .cmp-val .val-title::before{
    content:"";width:14px;height:3px;border-radius:3px;background:var(--grad-brand);
  }
  .cmp-val strong{color:var(--ink);font-weight:600;}

  /* ---------- 环境对照三行 ---------- */
  .env-list{display:grid;gap:16px;}
  .env-row{
    display:grid;
    grid-template-columns:220px minmax(0,1fr);
    gap:0;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    overflow:hidden;
    box-shadow:var(--sh-1);
    transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  }
  .env-row:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#c9ece4;}
  .env-name{
    padding:24px 26px;
    background:var(--bg);
    border-right:1px solid var(--line);
    display:flex;align-items:center;gap:14px;
  }
  .env-name .en-icon{
    width:44px;height:44px;border-radius:14px;
    display:inline-flex;align-items:center;justify-content:center;
    background:var(--grad-brand);color:#fff;font-size:18px;flex:0 0 auto;
  }
  .env-name b{font-size:17px;display:block;}
  .env-name small{font-size:12.5px;color:var(--ink-2);}
  .env-desc{padding:24px 28px;display:flex;align-items:center;font-size:15.5px;color:var(--ink-2);line-height:1.85;}

  /* ---------- 自助 / 提交 对比 ---------- */
  .vs-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px;}
  .vs-card{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    padding:32px;
    box-shadow:var(--sh-1);
    transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
    height:100%;
  }
  .vs-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#c9ece4;}
  .vs-card.dark{
    background:linear-gradient(160deg,#0B2224 0%,#123A38 100%);
    border-color:rgba(127,227,205,.24);
    color:var(--dark-text);
  }
  .vs-card.dark h3{color:#fff;}
  .vs-card.dark .vs-line span{color:rgba(234,243,241,.86);}
  .vs-card.dark .vs-line strong{color:#fff;}
  .vs-badge{
    display:inline-flex;align-items:center;gap:8px;
    padding:6px 14px;border-radius:999px;
    font-size:12.5px;font-weight:600;margin-bottom:16px;
    background:var(--brand-soft);color:var(--brand-deep);
  }
  .vs-card.dark .vs-badge{background:rgba(127,227,205,.16);color:var(--dark-link);}
  .vs-card h3{font-size:20px;margin-bottom:8px;}
  .vs-card > p{font-size:15px;color:var(--ink-2);line-height:1.8;}
  .vs-lines{margin-top:20px;display:grid;gap:12px;}
  .vs-line{
    display:grid;grid-template-columns:88px minmax(0,1fr);
    gap:12px;align-items:start;
    padding:14px 16px;border-radius:var(--r-md);
    background:var(--bg);border:1px solid var(--line);
    font-size:14.5px;line-height:1.7;
  }
  .vs-card.dark .vs-line{background:rgba(255,255,255,.05);border-color:rgba(127,227,205,.18);}
  .vs-line strong{font-size:13px;color:var(--brand-deep);}
  .vs-line span{color:var(--ink-2);}

  /* ---------- 常见追问 ---------- */
  .qa-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
  .qa-card{
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    padding:26px 28px;
    box-shadow:var(--sh-1);
    transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  }
  .qa-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#c9ece4;}
  .qa-q{display:flex;align-items:flex-start;gap:12px;margin-bottom:12px;}
  .qa-q .q-mark{
    flex:0 0 auto;
    width:28px;height:28px;border-radius:9px;
    display:inline-flex;align-items:center;justify-content:center;
    background:var(--grad-brand);color:#fff;font-size:14px;font-weight:700;
  }
  .qa-q h3{font-size:16.5px;line-height:1.55;}
  .qa-a{font-size:15px;color:var(--ink-2);line-height:1.85;padding-left:40px;}

  /* ---------- CTA ---------- */
  .cta-band{padding:0 0 84px;}
  .cta-card{
    position:relative;
    border-radius:26px;
    padding:52px 48px;
    background:linear-gradient(120deg,#00B39A 0%,#14D7B0 52%,#0AA98F 100%);
    color:#fff;
    display:flex;align-items:center;justify-content:space-between;gap:32px;
    overflow:hidden;
    box-shadow:0 22px 48px rgba(0,148,127,.24);
  }
  .cta-card::before{
    content:"";position:absolute;right:-90px;top:-110px;
    width:340px;height:340px;border-radius:50%;
    background:radial-gradient(circle,rgba(255,255,255,.28) 0%,rgba(255,255,255,0) 70%);
  }
  .cta-card::after{
    content:"";position:absolute;left:38%;bottom:-140px;
    width:300px;height:300px;border-radius:50%;
    border:1px dashed rgba(255,255,255,.35);
  }
  .cta-copy{position:relative;z-index:1;max-width:620px;}
  .cta-copy h2{font-size:28px;color:#fff;}
  .cta-copy p{margin-top:12px;font-size:16px;color:rgba(255,255,255,.94);line-height:1.8;}
  .cta-actions{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap;}

  /* ---------- 页脚 ---------- */
  .site-footer{
    background:linear-gradient(160deg,#0B2224 0%,#123A38 100%);
    color:var(--dark-text);
    padding:64px 0 0;
    font-size:14.5px;
  }
  .foot-grid{
    display:grid;
    grid-template-columns:1.5fr 1fr 1fr 1.2fr;
    gap:36px;
    padding-bottom:44px;
  }
  .foot-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff;margin-bottom:16px;}
  .foot-brand .brand-mark{width:36px;height:36px;font-size:17px;border-radius:11px;}
  .site-footer p{color:rgba(234,243,241,.72);line-height:1.85;font-size:14px;max-width:360px;}
  .foot-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
  .foot-list{display:grid;gap:10px;}
  .foot-list a{color:rgba(234,243,241,.76);font-size:14px;}
  .foot-list a:hover{color:var(--dark-link);}
  .foot-contact{display:grid;gap:12px;}
  .foot-contact li{display:flex;align-items:flex-start;gap:10px;color:rgba(234,243,241,.76);font-size:14px;line-height:1.7;}
  .foot-contact i{color:var(--dark-link);margin-top:4px;}
  .foot-bottom{
    border-top:1px solid rgba(127,227,205,.16);
    padding:20px 0 26px;
    display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
    color:rgba(234,243,241,.62);font-size:13px;
  }
  .back-top{
    display:inline-flex;align-items:center;gap:8px;
    height:40px;padding:0 18px;
    border-radius:999px;
    background:rgba(127,227,205,.12);
    border:1px solid rgba(127,227,205,.32);
    color:var(--dark-link);
    font-size:13.5px;font-weight:600;
    cursor:pointer;
    transition:all .22s ease;
  }
  .back-top:hover{background:rgba(127,227,205,.22);transform:translateY(-1px);}

  /* ---------- 响应式 ---------- */
  @media (max-width:1199.98px){
    .nav-link{padding:8px 9px;font-size:14px;}
    .cmp-row{grid-template-columns:260px minmax(0,1fr);}
  }
  @media (max-width:991.98px){
    .nav-links{display:none;}
    .menu-btn{display:inline-flex;}
    .site-header{position:fixed;}
    .cat-hero{padding:108px 0 38px;}
    .cat-hero h1{font-size:32px;}
    .section{padding:60px 0;}
    .lead-grid{grid-template-columns:minmax(0,1fr);}
    .vs-grid{grid-template-columns:minmax(0,1fr);}
    .qa-grid{grid-template-columns:minmax(0,1fr);}
    .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
    .cta-card{flex-direction:column;align-items:flex-start;padding:44px 32px;}
    .cta-card::after{display:none;}
  }
  @media (max-width:767.98px){
    .header-inner{height:60px;gap:12px;}
    .brand-text{font-size:15px;}
    .brand-mark{width:34px;height:34px;font-size:16px;border-radius:10px;}
    .cat-hero{padding:96px 0 34px;}
    .cat-hero h1{font-size:28px;}
    .cat-hero .cat-sub{font-size:15px;}
    .section{padding:48px 0;}
    .sec-head h2{font-size:22px;}
    .cmp-row{grid-template-columns:minmax(0,1fr);}
    .cmp-key{border-right:none;border-bottom:1px solid var(--line);padding:22px 20px 20px 26px;}
    .cmp-val{padding:20px 22px 24px 26px;}
    .env-row{grid-template-columns:minmax(0,1fr);}
    .env-name{border-right:none;border-bottom:1px solid var(--line);padding:20px 22px;}
    .env-desc{padding:18px 22px 22px;}
    .vs-line{grid-template-columns:minmax(0,1fr);gap:4px;}
    .qa-a{padding-left:0;}
    .lead-text{padding:26px 22px;}
    .lead-text h2{font-size:22px;}
    .vs-card{padding:26px 22px;}
    .cta-card{padding:36px 24px;border-radius:20px;}
    .cta-copy h2{font-size:22px;}
    .cta-actions{width:100%;}
    .cta-actions .btn{width:100%;}
    .cta-band{padding:0 0 56px;}
    .foot-grid{grid-template-columns:minmax(0,1fr);gap:26px;padding-bottom:32px;}
    .foot-bottom{flex-direction:column;align-items:flex-start;}
  }
  @media (max-width:575.98px){
    body{font-size:15.5px;}
    .cat-hero h1{font-size:24px;letter-spacing:0;}
    .hero-chips{gap:6px;}
    .chip{font-size:12px;padding:5px 11px;}
    .cmp-key h3{font-size:16.5px;}
    .sec-head h2{font-size:21px;}
    .lead-visual,.lead-visual img{min-height:220px;}
    .float-badge{left:14px;bottom:14px;padding:12px 14px;}
  }

/* roulang page: category5 */
/* ============ 设计变量 ============ */
:root{
  --brand:#00B39A;
  --brand-dark:#06786B;
  --brand-light:#E6F7F4;
  --brand-grad:linear-gradient(135deg,#00B39A 0%,#14D7B0 100%);
  --amber:#FF9E2C;
  --amber-grad:linear-gradient(135deg,#FF9E2C 0%,#FFC15A 100%);
  --ink:#101B1D;
  --ink-2:#5B6767;
  --line:#E6E4DD;
  --bg:#F7F6F2;
  --bg-alt:#F1F0EA;
  --card:#FFFFFF;
  --dark-grad:linear-gradient(135deg,#0B2224 0%,#123A38 100%);
  --dark-text:#EAF3F1;
  --dark-link:#7FE3CD;
  --ok:#2FA36B;
  --warn:#D9553F;
  --r-lg:20px;
  --r-md:14px;
  --r-img:16px;
  --r-in:12px;
  --r-pill:999px;
  --sh-1:0 2px 10px rgba(16,27,29,.05);
  --sh-2:0 12px 28px rgba(16,27,29,.10);
  --sh-nav:0 8px 24px rgba(16,27,29,.06);
  --sp-sec:88px;
}
/* ============ 基础 ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.75;color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3}
p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.num{font-variant-numeric:tabular-nums}
.container{max-width:1200px;padding-left:20px;padding-right:20px}
@media (min-width:1400px){.container{max-width:1240px}}
.section{padding:var(--sp-sec) 0}
.section-alt{background:var(--bg-alt)}
.sec-head{max-width:760px;margin-bottom:36px}
.sec-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand-dark);background:var(--brand-light);border-radius:var(--r-pill);padding:5px 14px;letter-spacing:.02em}
.sec-title{font-size:28px;margin:16px 0 12px}
.sec-desc{font-size:16px;color:var(--ink-2)}

/* ============ 按钮 ============ */
.btn-core,.btn-line,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background-position .3s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn-core{color:#fff;background-image:var(--brand-grad);background-size:120% 120%;box-shadow:0 8px 20px rgba(0,179,154,.24)}
.btn-core:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(0,179,154,.30);background-position:100% 0;color:#fff}
.btn-core:active{transform:translateY(1px)}
.btn-line{color:var(--brand-dark);background:#fff;border:1px solid var(--brand)}
.btn-line:hover{background:var(--brand-light);transform:translateY(-2px);color:var(--brand-dark)}
.btn-line:active{transform:translateY(1px)}
.btn-ghost{color:#fff;background:transparent;border:1px solid rgba(255,255,255,.6)}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}

/* ============ 导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1040;
  background:rgba(255,255,255,.55);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(230,228,221,.75);
  box-shadow:var(--sh-nav);
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{background:rgba(255,255,255,.94);border-bottom-color:var(--line);box-shadow:0 8px 24px rgba(16,27,29,.08)}
.header-inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  background-image:var(--brand-grad);color:#fff;font-weight:800;font-size:17px;
  box-shadow:0 6px 14px rgba(0,179,154,.28);
}
.brand-text{font-size:17px;font-weight:800;letter-spacing:.01em;color:var(--ink)}
.nav-links{display:flex;align-items:center;gap:4px;flex:1 1 auto;justify-content:center}
.nav-links .nav-link{
  position:relative;display:inline-block;padding:9px 11px;border-radius:9px;
  font-size:15px;color:var(--ink-2);white-space:nowrap;
}
.nav-links .nav-link:hover{color:var(--brand-dark);background:rgba(230,247,244,.85)}
.nav-links .nav-link.is-active{color:var(--brand-dark);font-weight:700}
.nav-links .nav-link.is-active::after{
  content:"";position:absolute;left:11px;right:11px;bottom:2px;height:2px;border-radius:2px;
  background-image:var(--brand-grad);
}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-pill);display:grid;place-items:center;
  color:var(--ink-2);background:rgba(255,255,255,.7);border:1px solid var(--line);
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.icon-btn:hover{color:var(--brand-dark);border-color:var(--brand);background:#fff}
.menu-btn{display:none}
.mobile-panel{
  display:none;position:absolute;top:calc(100% + 10px);left:16px;right:16px;
  background:#fff;border-radius:var(--r-lg);border:1px solid var(--line);
  box-shadow:var(--sh-2);padding:16px;z-index:1050;
}
.mobile-panel.is-open{display:block}
.mobile-panel a{
  display:block;padding:12px 14px;border-radius:var(--r-in);font-size:15px;color:var(--ink-2);
}
.mobile-panel a:hover{background:var(--brand-light);color:var(--brand-dark)}
.mobile-panel a.is-active{background:var(--brand-light);color:var(--brand-dark);font-weight:700}
.mobile-panel .btn-core{margin-top:10px}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;color:#fff;overflow:hidden;
  padding:136px 0 48px;
  background-image:linear-gradient(118deg,rgba(0,179,154,.74) 0%,rgba(6,120,107,.86) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.cat-hero::after{
  content:"";position:absolute;right:-80px;top:-60px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.22),rgba(255,255,255,0) 70%);
  pointer-events:none;
}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(234,243,241,.88);margin-bottom:16px;flex-wrap:wrap}
.crumb a:hover{color:#fff}
.crumb .sep{opacity:.6}
.cat-hero h1{font-size:36px;font-weight:800;letter-spacing:.01em}
.hero-sub{margin-top:14px;max-width:720px;font-size:16px;line-height:1.8;color:rgba(234,243,241,.94)}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-badge{
  display:inline-flex;align-items:center;gap:10px;
  padding:9px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
  font-size:14px;color:#fff;
}
.hero-badge i{color:#FFC15A}
.hero-badge .num{font-weight:700}

/* ============ 速览卡 ============ */
.quick-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.quick-card{
  position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 26px 24px 30px;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.quick-card::before{
  content:"";position:absolute;left:0;top:24px;bottom:24px;width:4px;border-radius:0 4px 4px 0;
  background-image:var(--brand-grad);
}
.quick-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#BFEDE4}
.qc-icon{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:var(--brand-light);color:var(--brand-dark);font-size:17px;margin-bottom:14px;
}
.quick-card h3{font-size:19px;margin-bottom:8px}
.quick-card p{font-size:15px;color:var(--ink-2);line-height:1.75}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);font-size:13px;color:var(--ink-2);
}
.tag.is-on{background:var(--brand-light);border-color:#BFEDE4;color:var(--brand-dark);font-weight:600}

/* ============ 主内容 + 侧栏 ============ */
.main-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:32px;align-items:start}
.panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:30px;box-shadow:var(--sh-1);
}
.panel + .panel{margin-top:26px}
.panel h2{font-size:23px;margin-bottom:10px}
.panel h3{font-size:18px;margin:22px 0 10px}
.panel p{color:var(--ink-2);font-size:15.5px}
.note-list{margin-top:16px;display:grid;gap:12px}
.note-list li{display:flex;gap:10px;font-size:15px;color:var(--ink-2)}
.note-list li i{color:var(--brand);margin-top:6px;font-size:13px}
.figure-inline{margin-top:22px;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line)}
.figure-inline img{width:100%;aspect-ratio:16/10;object-fit:cover}
.figure-cap{font-size:13px;color:var(--ink-2);padding:10px 14px;background:var(--bg-alt);text-align:center}

/* FAQ */
.faq-list{margin-top:22px;display:grid;gap:12px}
.faq-item{
  border:1px solid var(--line);border-radius:var(--r-img);background:#fff;overflow:hidden;
  transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.faq-item.is-open{background:var(--brand-light);border-color:#BFEDE4;box-shadow:inset 3px 0 0 var(--brand)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:17px 20px;text-align:left;font-size:16px;font-weight:600;color:var(--ink);
}
.faq-q:hover{color:var(--brand-dark)}
.faq-icon{
  position:relative;flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  background:#fff;border:1px solid var(--line);transition:transform .28s ease,border-color .2s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand-dark);transform:translate(-50%,-50%);border-radius:2px;
}
.faq-icon::before{width:11px;height:2px}
.faq-icon::after{width:2px;height:11px;transition:opacity .25s ease}
.faq-item.is-open .faq-icon{transform:rotate(180deg);border-color:var(--brand)}
.faq-item.is-open .faq-icon::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-a p{padding:0 20px 18px;font-size:15px;color:var(--ink-2);line-height:1.8}

/* 侧栏 */
.side-stack{display:grid;gap:20px;position:sticky;top:96px}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);
}
.side-card h3{font-size:17px;margin-bottom:14px;display:flex;align-items:center;gap:9px}
.side-card h3 i{color:var(--brand)}
.side-stat{display:flex;align-items:baseline;gap:8px;margin-bottom:14px}
.side-stat .num{font-size:32px;font-weight:800;color:var(--brand-dark);line-height:1}
.side-stat span{font-size:13px;color:var(--ink-2)}
.side-list{display:grid;gap:10px}
.side-list li{display:flex;justify-content:space-between;gap:12px;font-size:14px;color:var(--ink-2);border-bottom:1px dashed var(--line);padding-bottom:9px}
.side-list li:last-child{border-bottom:0;padding-bottom:0}
.side-list li b{color:var(--ink);font-weight:600}
.side-links a{display:flex;align-items:center;gap:9px;padding:9px 0;font-size:14.5px;color:var(--ink-2)}
.side-links a:hover{color:var(--brand-dark)}
.side-links a i{color:var(--brand);font-size:12px}

/* ============ 表单 ============ */
.form-grid{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:32px;align-items:start}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:32px;box-shadow:var(--sh-1)}
.field{margin-bottom:20px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px}
.field .req{color:var(--amber)}
.field input,.field select,.field textarea{
  width:100%;font:inherit;font-size:15px;color:var(--ink);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-in);
  padding:0 14px;height:48px;transition:border-color .2s ease,background .2s ease,box-shadow .2s ease;
}
.field textarea{height:auto;min-height:140px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:#9AA3A1}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);background:var(--brand-light);box-shadow:0 0 0 3px rgba(0,179,154,.14);
}
.field .hint{font-size:13px;color:var(--ink-2);margin-top:7px}
.form-tip{margin-top:14px;font-size:13px;color:var(--ink-2)}
.form-msg{
  display:none;margin-top:16px;padding:13px 16px;border-radius:var(--r-in);
  background:var(--brand-light);border:1px solid #BFEDE4;color:var(--brand-dark);font-size:14px;
}
.form-msg.is-show{display:block}
.info-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh-1)}
.info-card h3{font-size:18px;margin-bottom:14px}
.info-card ol{counter-reset:step;display:grid;gap:14px}
.info-card ol li{position:relative;padding-left:38px;font-size:14.8px;color:var(--ink-2)}
.info-card ol li::before{
  counter-increment:step;content:counter(step);
  position:absolute;left:0;top:1px;width:26px;height:26px;border-radius:9px;
  display:grid;place-items:center;font-size:13px;font-weight:700;color:#fff;background-image:var(--brand-grad);
}
.mini-badge{
  display:inline-flex;align-items:center;gap:8px;margin-top:18px;padding:8px 15px;border-radius:var(--r-pill);
  background-image:var(--amber-grad);color:#3A2506;font-size:13px;font-weight:600;
}

/* ============ 横向专题卡 ============ */
.scroll-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:28px}
.scroll-row{display:flex;gap:22px;overflow-x:auto;padding:6px 4px 18px;scroll-snap-type:x mandatory}
.scroll-row::-webkit-scrollbar{height:8px}
.scroll-row::-webkit-scrollbar-thumb{background:#CFE9E3;border-radius:8px}
.topic-card{
  flex:0 0 320px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#BFEDE4}
.topic-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.topic-body{padding:20px 22px 24px}
.pill{
  display:inline-block;padding:4px 12px;border-radius:var(--r-pill);
  background:var(--brand-light);color:var(--brand-dark);font-size:12.5px;font-weight:600;
}
.topic-body h3{font-size:17px;margin:12px 0 8px}
.topic-body p{font-size:14.5px;color:var(--ink-2);line-height:1.72}
.topic-link{display:inline-flex;align-items:center;gap:7px;margin-top:14px;font-size:14px;font-weight:600;color:var(--brand-dark)}
.topic-card:hover .topic-link{gap:11px}

/* ============ CTA ============ */
.cta-wrap{padding:0 0 var(--sp-sec)}
.cta-card{
  position:relative;overflow:hidden;border-radius:24px;color:#fff;
  background-image:linear-gradient(120deg,rgba(0,179,154,.94) 0%,rgba(20,215,176,.88) 100%),url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
  padding:44px 46px;display:flex;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:0 18px 40px rgba(6,120,107,.24);
}
.cta-card h2{font-size:26px;margin-bottom:10px}
.cta-card p{font-size:15.5px;color:rgba(255,255,255,.92);max-width:620px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background-image:var(--dark-grad);color:var(--dark-text);padding:60px 0 0}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px;padding-bottom:42px}
.foot-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;margin-bottom:14px}
.foot-brand .brand-mark{width:32px;height:32px;border-radius:10px;font-size:16px}
.site-footer p{font-size:14px;color:rgba(234,243,241,.72);line-height:1.8;max-width:340px}
.foot-title{font-size:15px;font-weight:700;margin-bottom:16px;color:#fff}
.foot-list{display:grid;gap:11px}
.foot-list a{font-size:14px;color:rgba(234,243,241,.75)}
.foot-list a:hover{color:var(--dark-link)}
.foot-contact{display:grid;gap:12px}
.foot-contact li{display:flex;gap:10px;font-size:14px;color:rgba(234,243,241,.75)}
.foot-contact li i{margin-top:5px;color:var(--dark-link)}
.foot-bottom{
  border-top:1px solid rgba(234,243,241,.14);
  padding:20px 0 26px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(234,243,241,.66);
}
.back-top{
  display:inline-flex;align-items:center;gap:8px;padding:9px 18px;border-radius:var(--r-pill);
  border:1px solid rgba(127,227,205,.45);color:var(--dark-link);font-size:13.5px;
  transition:background .2s ease,color .2s ease;
}
.back-top:hover{background:rgba(127,227,205,.14);color:#fff}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .main-grid{grid-template-columns:minmax(0,1fr) 300px;gap:26px}
  .side-stack{position:static}
  .form-grid{grid-template-columns:minmax(0,1fr) 320px;gap:26px}
}
@media (max-width:991.98px){
  :root{--sp-sec:60px}
  .nav-links{display:none}
  .menu-btn{display:grid}
  .header-inner{height:60px}
  .cat-hero{padding:104px 0 40px}
  .cat-hero h1{font-size:28px}
  .main-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-card{flex-direction:column;align-items:flex-start;padding:34px 28px}
  .panel{padding:24px}
}
@media (max-width:767.98px){
  .sec-title{font-size:22px}
  .quick-grid{grid-template-columns:1fr}
  .topic-card{flex:0 0 82%}
  .cta-card h2{font-size:21px}
}
@media (max-width:575.98px){
  :root{--sp-sec:46px}
  .container{padding-left:16px;padding-right:16px}
  .cat-hero h1{font-size:24px}
  .hero-sub{font-size:15px}
  .brand-text{font-size:15px}
  .hero-badges{gap:8px}
  .hero-badge{font-size:13px;padding:8px 13px}
  .form-card{padding:22px}
  .foot-grid{grid-template-columns:1fr}
  .btn-core,.btn-line{width:100%}
  .form-card .btn-core{width:100%}
}