/* roulang page: index */
:root{
  --ink:#10171A;
  --ink-2:#3A4744;
  --ink-3:#6B7773;
  --line:#E3DFD7;
  --paper:#F7F5F0;
  --card:#FFFFFF;
  --primary:#10453B;
  --primary-deep:#0A2E28;
  --primary-soft:#E4EDE9;
  --accent:#E8593A;
  --accent-soft:#FDE9E4;
  --dark:#0D1512;
  --dark-text:#F3F1EA;
  --dark-sub:rgba(243,241,234,.64);
  --radius-card:16px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-1:0 1px 2px rgba(16,23,26,.04),0 12px 32px -18px rgba(16,23,26,.14);
  --shadow-2:0 2px 4px rgba(16,23,26,.06),0 20px 44px -20px rgba(16,23,26,.20);
  --ease:cubic-bezier(.22,.61,.36,1);
  --gap-block:96px;
}
*,*::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","Inter",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6,p,ul,ol,figure,dl,dd{margin:0;}
ul,ol{padding:0;list-style:none;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button{font-family:inherit;}
strong,b{font-weight:700;}
::selection{background:var(--primary-soft);color:var(--primary-deep);}
:focus-visible{outline:3px solid rgba(232,89,58,.45);outline-offset:2px;border-radius:4px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.section{
  padding:var(--gap-block) 0;
}
.section-tight{padding:64px 0;}
.eyebrow{
  display:inline-block;
  font-size:12px;
  letter-spacing:.18em;
  font-weight:700;
  color:var(--primary);
  text-transform:uppercase;
  margin-bottom:14px;
}
.eyebrow-accent{color:var(--accent);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
  flex-wrap:wrap;
}
.section-head h2{
  font-size:clamp(26px,3.2vw,38px);
  line-height:1.2;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--ink);
}
.section-sub{
  font-size:15px;
  color:var(--ink-3);
  line-height:1.8;
  margin-top:12px;
  max-width:620px;
}
.textlink{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  color:var(--primary);
  position:relative;
  padding-bottom:3px;
  transition:color 220ms var(--ease);
}
.textlink::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  width:100%;height:1px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform 220ms var(--ease);
}
.textlink:hover{color:var(--accent);}
.textlink:hover::after{transform:scaleX(1);}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform 220ms var(--ease),background 220ms var(--ease),box-shadow 220ms var(--ease),color 220ms var(--ease),border-color 220ms var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:var(--primary-deep);transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--primary);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--primary);transform:translateY(-2px);box-shadow:var(--shadow-1);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:var(--shadow-1);}
.btn-accent:hover{background:#d94b2d;transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-block{width:100%;height:52px;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  transition:box-shadow 220ms var(--ease);
}
.site-header.is-scrolled{box-shadow:0 1px 2px rgba(16,23,26,.06),0 10px 24px -18px rgba(16,23,26,.28);}
.nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-mark{
  width:34px;height:34px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:9px;
  background:var(--primary);
  color:#fff;
  flex-shrink:0;
}
.brand-mark svg{width:19px;height:19px;}
.brand-text{
  display:flex;
  flex-direction:column;
  line-height:1.2;
}
.brand-strong{
  font-size:16px;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--primary-deep);
}
.brand-light{
  font-size:11px;
  letter-spacing:.16em;
  color:var(--ink-3);
  text-transform:uppercase;
  font-weight:600;
}
.nav-center{
  display:flex;
  align-items:center;
  gap:28px;
  flex:1;
  justify-content:center;
}
.nav-link{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--ink-2);
  padding:6px 0;
  transition:color 220ms var(--ease);
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;bottom:-2px;
  width:100%;height:2px;
  background:var(--accent);
  border-radius:2px;
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform 220ms var(--ease);
}
.nav-link:hover{color:var(--primary);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--primary-deep);font-weight:700;}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-right{
  display:flex;
  align-items:center;
  gap:14px;
  flex-shrink:0;
}
.nav-search{
  position:relative;
  width:220px;
}
.nav-search input{
  width:100%;
  height:40px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  padding:0 16px 0 38px;
  font-size:14px;
  color:var(--ink);
  transition:border-color 220ms var(--ease),box-shadow 220ms var(--ease);
  margin:0;
}
.nav-search input::placeholder{color:var(--ink-3);}
.nav-search input:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(16,69,59,.10);
}
.nav-search .search-icon{
  position:absolute;
  left:13px;top:50%;
  transform:translateY(-50%);
  width:16px;height:16px;
  color:var(--ink-3);
  pointer-events:none;
}
.nav-login{
  font-size:15px;
  font-weight:600;
  color:var(--ink-2);
  padding:6px 4px;
  transition:color 220ms var(--ease);
}
.nav-login:hover{color:var(--primary);}
.nav-cta{height:40px;padding:0 18px;font-size:14px;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:10px;
  background:#fff;
  color:var(--primary);
  align-items:center;
  justify-content:center;
  cursor:pointer;
}
.nav-toggle svg{width:20px;height:20px;}
.mobile-panel{
  display:none;
  border-top:1px solid var(--line);
  background:var(--paper);
  padding:12px 24px 20px;
}
.mobile-panel.is-open{display:block;}
.mobile-panel a{
  display:block;
  padding:13px 2px;
  font-size:16px;
  font-weight:600;
  color:var(--ink-2);
  border-bottom:1px solid var(--line);
}
.mobile-panel a:last-child{border-bottom:none;}
.mobile-panel a.is-active{color:var(--primary-deep);}
.mobile-panel .btn{margin-top:16px;width:100%;}

/* ---------- Hero ---------- */
.hero{
  padding:76px 0 84px;
  position:relative;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;
  right:-160px;top:-120px;
  width:460px;height:460px;
  border-radius:50%;
  background:radial-gradient(circle at center,rgba(228,237,233,.9),rgba(228,237,233,0) 70%);
  pointer-events:none;
}
.hero-grid{align-items:center;position:relative;}
.hero-copy{padding-right:44px;}
.hero h1{
  font-size:clamp(34px,4.6vw,60px);
  line-height:1.08;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--ink);
  margin:16px 0 22px;
}
.hero h1 .hl{color:var(--primary);}
.hero-lead{
  font-size:18px;
  line-height:1.8;
  color:var(--ink-2);
  max-width:560px;
}
.hero-note{
  margin-top:14px;
  font-size:15px;
  line-height:1.8;
  color:var(--ink-3);
  max-width:540px;
}
.hero-actions{
  display:flex;
  gap:12px;
  margin-top:32px;
  flex-wrap:wrap;
}
.badge-row{
  display:flex;
  gap:10px;
  margin-top:28px;
  flex-wrap:wrap;
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:7px 14px;
  border-radius:999px;
  font-size:13px;
  font-weight:600;
  background:var(--primary-soft);
  color:var(--primary);
  border:1px solid rgba(16,69,59,.10);
}
.badge-accent{background:var(--accent-soft);color:#B23A22;border-color:rgba(232,89,58,.14);}
.hero-media{
  position:relative;
  border-radius:var(--radius-img);
  overflow:hidden;
  box-shadow:var(--shadow-2);
  background:var(--primary-soft);
}
.hero-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
}
.hero-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:rgba(16,69,59,.06);
  pointer-events:none;
}
.hero-media-cap{
  position:absolute;
  left:16px;bottom:16px;
  right:16px;
  background:rgba(13,21,18,.72);
  color:var(--dark-text);
  font-size:13px;
  line-height:1.6;
  padding:10px 14px;
  border-radius:10px;
  backdrop-filter:none;
}

/* ---------- Stats ---------- */
.stats-band{
  background:var(--dark);
  color:var(--dark-text);
  padding:72px 0;
}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
}
.stat-item{
  padding:0 28px;
  border-left:1px solid rgba(243,241,234,.14);
}
.stat-item:first-child{border-left:none;padding-left:0;}
.stat-item:last-child{padding-right:0;}
.stat-value{
  display:flex;
  align-items:baseline;
  gap:6px;
  font-size:clamp(34px,3.6vw,52px);
  font-weight:800;
  line-height:1;
  letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;
  font-feature-settings:"tnum" 1;
  color:var(--dark-text);
}
.stat-unit{
  font-size:16px;
  font-weight:600;
  color:var(--dark-sub);
}
.stat-label{
  margin-top:12px;
  font-size:13px;
  line-height:1.7;
  color:var(--dark-sub);
}

/* ---------- Matrix ---------- */
.matrix{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  border-top:1px solid var(--line);
}
.matrix-item{
  display:flex;
  gap:20px;
  padding:30px 28px 30px 24px;
  border-bottom:1px solid var(--line);
  border-right:1px solid var(--line);
  position:relative;
  transition:background 220ms var(--ease);
}
.matrix-item:nth-child(2n){border-right:none;}
.matrix-item::before{
  content:"";
  position:absolute;
  left:0;top:14px;bottom:14px;
  width:3px;
  background:var(--accent);
  transform:scaleY(0);
  transform-origin:top center;
  transition:transform 220ms var(--ease);
  border-radius:2px;
}
.matrix-item:hover{background:#FBF9F5;}
.matrix-item:hover::before{transform:scaleY(1);}
.matrix-num{
  font-size:26px;
  font-weight:300;
  line-height:1.2;
  color:var(--primary-soft);
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
  flex-shrink:0;
  width:42px;
  transition:color 220ms var(--ease);
}
.matrix-item:hover .matrix-num{color:var(--accent);}
.matrix-body h3{
  font-size:20px;
  font-weight:600;
  line-height:1.4;
  color:var(--ink);
  margin-bottom:8px;
  transition:font-weight 220ms var(--ease);
}
.matrix-item:hover .matrix-body h3{font-weight:700;}
.matrix-body p{
  font-size:14px;
  line-height:1.8;
  color:var(--ink-3);
  margin-bottom:12px;
}

/* ---------- Compare ---------- */
.compare{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.compare-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:32px 28px;
  box-shadow:var(--shadow-1);
}
.compare-card.is-after{
  border-color:rgba(232,89,58,.28);
  background:#FFFCFA;
}
.compare-card h3{
  font-size:19px;
  font-weight:700;
  margin-bottom:6px;
  color:var(--ink);
  display:flex;
  align-items:center;
  gap:10px;
}
.compare-tag{
  font-size:12px;
  font-weight:600;
  padding:3px 10px;
  border-radius:999px;
  background:var(--primary-soft);
  color:var(--primary);
}
.compare-card.is-after .compare-tag{background:var(--accent-soft);color:#B23A22;}
.compare-card > p{
  font-size:13px;
  color:var(--ink-3);
  margin-bottom:24px;
}
.bar-row{margin-bottom:20px;}
.bar-row:last-child{margin-bottom:0;}
.bar-top{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--ink-2);
  margin-bottom:8px;
}
.bar-top b{
  font-size:14px;
  font-variant-numeric:tabular-nums;
  font-feature-settings:"tnum" 1;
  color:var(--ink);
}
.bar-track{
  height:8px;
  border-radius:999px;
  background:#EFECE5;
  overflow:hidden;
}
.bar-fill{
  height:100%;
  border-radius:999px;
  background:var(--primary);
  transition:width 600ms var(--ease);
}
.compare-card.is-after .bar-fill{background:var(--accent);}

/* ---------- Latest / cards ---------- */
.cards-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.post-card{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease);
  height:100%;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.post-thumb{
  position:relative;
  overflow:hidden;
  background:var(--primary-soft);
}
.post-thumb img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  transition:transform 220ms var(--ease);
}
.post-card:hover .post-thumb img{transform:scale(1.03);}
.post-badge{
  position:absolute;
  left:12px;top:12px;
  font-size:12px;
  font-weight:600;
  padding:4px 11px;
  border-radius:999px;
  background:var(--primary-soft);
  color:var(--primary);
  border:1px solid rgba(16,69,59,.10);
}
.post-body{
  padding:20px 22px 22px;
  display:flex;
  flex-direction:column;
  flex:1;
}
.post-title{
  font-size:18px;
  font-weight:600;
  line-height:1.5;
  color:var(--ink);
  margin-bottom:10px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  min-height:54px;
}
.post-card:hover .post-title{color:var(--primary);}
.post-excerpt{
  font-size:14px;
  line-height:1.75;
  color:var(--ink-3);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  margin-bottom:18px;
  min-height:49px;
}
.post-foot{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--ink-3);
  border-top:1px solid var(--line);
  padding-top:14px;
}
.empty-state{
  border:1px dashed var(--line);
  border-radius:var(--radius-card);
  background:#FCFBF8;
  padding:64px 24px;
  text-align:center;
}
.empty-state .empty-icon{
  width:52px;height:52px;
  margin:0 auto 16px;
  border-radius:14px;
  background:var(--primary-soft);
  color:var(--primary);
  display:flex;align-items:center;justify-content:center;
}
.empty-state .empty-icon svg{width:24px;height:24px;}
.empty-state strong{
  display:block;
  font-size:16px;
  font-weight:700;
  color:var(--ink);
  margin-bottom:6px;
}
.empty-state span{
  font-size:14px;
  color:var(--ink-3);
}

/* ---------- Steps ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.step-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:28px 26px;
  box-shadow:var(--shadow-1);
  transition:transform 220ms var(--ease),box-shadow 220ms var(--ease);
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.step-index{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:40px;height:40px;
  border-radius:12px;
  background:var(--primary-soft);
  color:var(--primary);
  font-weight:700;
  font-size:15px;
  font-variant-numeric:tabular-nums;
  margin-bottom:18px;
}
.step-card h3{
  font-size:19px;
  font-weight:700;
  margin-bottom:10px;
  color:var(--ink);
}
.step-card p{
  font-size:14px;
  line-height:1.8;
  color:var(--ink-3);
}

/* ---------- Trust block ---------- */
.trust{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:32px;
  align-items:center;
}
.trust-media{
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-2);
  background:var(--primary-soft);
}
.trust-media img{
  width:100%;
  aspect-ratio:16/11;
  object-fit:cover;
}
.trust-list{display:grid;gap:18px;margin-top:26px;}
.trust-item{
  display:flex;
  gap:14px;
  padding:18px 20px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:12px;
  transition:border-color 220ms var(--ease),transform 220ms var(--ease);
}
.trust-item:hover{border-color:rgba(16,69,59,.28);transform:translateX(3px);}
.trust-item .tick{
  width:26px;height:26px;
  border-radius:8px;
  background:var(--primary-soft);
  color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
  margin-top:2px;
}
.trust-item .tick svg{width:14px;height:14px;}
.trust-item h4{font-size:16px;font-weight:700;margin-bottom:4px;color:var(--ink);}
.trust-item p{font-size:14px;line-height:1.7;color:var(--ink-3);}

/* ---------- FAQ ---------- */
.faq-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  overflow:hidden;
}
.faq-item + .faq-item{border-top:1px solid var(--line);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:22px 24px;
  background:transparent;
  border:none;
  text-align:left;
  cursor:pointer;
  font-size:17px;
  font-weight:600;
  line-height:1.6;
  color:var(--ink);
  transition:background 220ms var(--ease),color 220ms var(--ease);
}
.faq-q:hover{background:#FBF9F5;color:var(--primary);}
.faq-q .faq-icon{
  width:22px;height:22px;
  flex-shrink:0;
  color:var(--primary);
  transition:transform 240ms var(--ease);
}
.faq-item.is-open .faq-q{color:var(--primary-deep);}
.faq-item.is-open .faq-icon{transform:rotate(180deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height 240ms var(--ease);
}
.faq-a-inner{
  padding:0 24px 24px;
  font-size:15px;
  line-height:1.8;
  color:var(--ink-2);
  max-width:820px;
}
.faq-item.is-open .faq-a{max-height:360px;}

/* ---------- Contact ---------- */
.contact-band{
  background:var(--dark);
  color:var(--dark-text);
  padding:var(--gap-block) 0;
}
.contact-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:start;
}
.contact-copy h2{
  font-size:clamp(26px,3.2vw,38px);
  line-height:1.2;
  font-weight:700;
  color:var(--dark-text);
  margin-bottom:18px;
}
.contact-copy p{
  font-size:15px;
  line-height:1.9;
  color:var(--dark-sub);
  margin-bottom:12px;
}
.contact-hints{margin-top:26px;display:grid;gap:12px;}
.contact-hint{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:14px;
  line-height:1.7;
  color:var(--dark-sub);
}
.contact-hint .dot{
  width:7px;height:7px;
  border-radius:50%;
  background:var(--accent);
  flex-shrink:0;
  margin-top:9px;
}
.form-card{
  background:var(--card);
  border-radius:var(--radius-card);
  padding:30px 28px;
  box-shadow:var(--shadow-2);
}
.field{margin-bottom:16px;}
.field label{
  display:block;
  font-size:13px;
  font-weight:600;
  color:var(--ink-2);
  margin-bottom:7px;
}
.field input,
.field select,
.field textarea{
  width:100%;
  height:48px;
  padding:0 14px;
  font-size:15px;
  font-family:inherit;
  color:var(--ink);
  background:#fff;
  border:1px solid var(--line);
  border-radius:10px;
  margin:0;
  transition:border-color 220ms var(--ease),box-shadow 220ms var(--ease);
  appearance:none;
}
.field textarea{
  height:auto;
  min-height:110px;
  padding:12px 14px;
  line-height:1.7;
  resize:vertical;
}
.field select{
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%236B7773' stroke-width='1.6'%3E%3Cpath d='M4 6l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 14px center;
  background-size:16px;
  padding-right:40px;
}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(16,69,59,.12);
}
.field input::placeholder,
.field textarea::placeholder{color:var(--ink-3);}
.form-note{
  margin-top:12px;
  font-size:12px;
  line-height:1.7;
  color:var(--ink-3);
  text-align:center;
}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--dark);
  color:var(--dark-text);
  border-top:1px solid rgba(243,241,234,.12);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand .brand-strong{color:var(--dark-text);}
.footer-brand .brand-light{color:var(--dark-sub);}
.footer-brand .brand-mark{background:transparent;border:1px solid rgba(243,241,234,.28);color:var(--dark-text);}
.footer-brand p{
  margin-top:18px;
  font-size:14px;
  line-height:1.9;
  color:var(--dark-sub);
  max-width:300px;
}
.footer-col h4{
  font-size:14px;
  font-weight:700;
  color:var(--dark-text);
  margin-bottom:16px;
  letter-spacing:.02em;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{
  font-size:14px;
  color:var(--dark-sub);
  transition:color 220ms var(--ease);
}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{
  border-top:1px solid rgba(243,241,234,.12);
  padding:22px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--dark-sub);
}
.footer-bottom .fb-right{display:flex;gap:18px;flex-wrap:wrap;}
.footer-bottom a:hover{color:var(--accent);}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 360ms var(--ease),transform 360ms var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- Responsive ---------- */
@media (max-width:1180px){
  .nav-search{width:180px;}
  .nav-center{gap:20px;}
}
@media (max-width:1024px){
  :root{--gap-block:72px;}
  .nav-center,.nav-search,.nav-login{display:none;}
  .nav-toggle{display:inline-flex;}
  .hero{padding:56px 0 64px;}
  .hero-copy{padding-right:0;padding-bottom:40px;}
  .cards-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:1fr 1fr;}
  .trust{grid-template-columns:1fr;}
  .contact-grid{grid-template-columns:1fr;gap:36px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:36px 0;}
  .stat-item:nth-child(3){border-left:none;padding-left:0;}
  .compare{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .section-head{margin-bottom:32px;}
}
@media (max-width:760px){
  .matrix{grid-template-columns:1fr;}
  .matrix-item{border-right:none;padding:24px 4px;}
  .matrix-item::before{display:none;}
  .matrix-item{border-top:1px solid transparent;}
  .matrix-item:hover::before{display:none;}
  .matrix-item:hover{background:#FBF9F5;}
  .cards-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .hero-actions .btn{width:100%;}
  .faq-q{font-size:16px;padding:18px 16px;}
  .faq-a-inner{padding:0 16px 20px;font-size:14px;}
  .form-card{padding:24px 20px;}
  .section-tight{padding:48px 0;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  :root{--gap-block:56px;}
  .container{padding:0 20px;}
  .nav-wrap{height:60px;}
  .brand-strong{font-size:14px;}
  .brand-light{display:none;}
  .stats-grid{grid-template-columns:1fr 1fr;}
  .stat-item{padding:0 16px;}
  .stat-item:nth-child(odd){border-left:none;padding-left:0;}
  .hero h1{font-size:30px;}
  .hero-lead{font-size:16px;}
  .footer-grid{grid-template-columns:1fr;}
  .post-title{min-height:auto;}
  .post-excerpt{min-height:auto;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --brand:#10453B;
  --brand-dark:#0A2E28;
  --brand-light:#E4EDE9;
  --accent:#E8593A;
  --accent-dark:#D24B2E;
  --accent-light:#FDE9E4;
  --paper:#F7F5F0;
  --paper-deep:#FBF9F5;
  --card:#FFFFFF;
  --ink:#10171A;
  --sub:#3A4744;
  --muted:#6B7773;
  --line:#E3DFD7;
  --dark:#0D1512;
  --dark-ink:#F3F1EA;
  --dark-sub:rgba(243,241,234,.64);
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --shadow:0 1px 2px rgba(16,23,26,.04),0 12px 32px -18px rgba(16,23,26,.14);
  --shadow-hover:0 2px 4px rgba(16,23,26,.06),0 20px 44px -20px rgba(16,23,26,.20);
  --ease:cubic-bezier(.22,.61,.36,1);
  --nav-h:72px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
h1,h2,h3,h4,h5,h6,p,figure,blockquote,dl,dd{margin:0;}
ul,ol{margin:0;padding-left:0;list-style:none;}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--accent);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 10px 28px -24px rgba(16,23,26,.65),0 1px 0 rgba(16,23,26,.05);}
.header-inner{display:flex;align-items:center;gap:20px;height:var(--nav-h);}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);flex-shrink:0;}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:38px;height:38px;border-radius:11px;flex:0 0 auto;
  background:var(--brand);color:#fff;display:grid;place-items:center;
  box-shadow:0 8px 18px -12px rgba(16,69,59,.9);
}
.brand-mark svg{width:20px;height:20px;}
.brand-text{display:flex;flex-direction:column;line-height:1.14;}
.brand-strong{font-size:15px;font-weight:800;letter-spacing:.01em;white-space:nowrap;}
.brand-light{font-size:9.5px;letter-spacing:.22em;text-transform:uppercase;color:var(--muted);font-weight:600;}
.nav-center{display:flex;align-items:center;gap:4px;margin-left:10px;}
.nav-link{
  position:relative;padding:8px 13px;border-radius:8px;
  font-size:15px;color:var(--sub);
  transition:color .22s var(--ease),background .22s var(--ease);
}
.nav-link:hover{color:var(--brand);background:var(--brand-light);}
.nav-link.is-active{color:var(--ink);font-weight:700;}
.nav-link.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:1px;height:2px;
  border-radius:2px;background:var(--accent);
}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto;}
.nav-search{position:relative;display:flex;align-items:center;}
.nav-search svg{position:absolute;left:14px;width:16px;height:16px;color:var(--muted);pointer-events:none;}
.nav-search input{
  width:210px;height:40px;padding:0 16px 0 40px;
  border:1px solid var(--line);border-radius:999px;background:#fff;
  font-size:14px;outline:none;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.nav-search input::placeholder{color:#9AA4A1;}
.nav-search input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(16,69,59,.12);}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;
  background:#fff;color:var(--ink);align-items:center;justify-content:center;
}
.nav-toggle svg{width:20px;height:20px;}
.mobile-panel{display:none;border-top:1px solid var(--line);background:var(--paper);}
.mobile-panel.is-open{display:block;}
.mobile-panel .container{padding-top:14px;padding-bottom:20px;display:flex;flex-direction:column;gap:4px;}
.mobile-panel a{padding:12px 12px;border-radius:10px;font-size:15px;color:var(--sub);}
.mobile-panel a:hover,.mobile-panel a:active{background:var(--brand-light);color:var(--brand);}
.mobile-panel .btn{margin-top:10px;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border:1px solid transparent;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;line-height:1;
  transition:transform .22s var(--ease),background .22s var(--ease),box-shadow .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px -14px rgba(16,69,59,.95);}
.btn-primary:hover{background:#0C3830;color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 10px 22px -14px rgba(232,89,58,.9);}
.btn-accent:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.btn-outline{background:transparent;color:var(--brand);border-color:rgba(16,69,59,.26);}
.btn-outline:hover{background:var(--brand-light);color:var(--brand-dark);transform:translateY(-2px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:10px;}
.btn-ghost{
  display:inline-flex;align-items:center;height:40px;padding:0 14px;border-radius:10px;
  font-size:14px;font-weight:600;color:var(--sub);
  transition:background .22s var(--ease),color .22s var(--ease);
}
.btn-ghost:hover{background:var(--brand-light);color:var(--brand);}

/* ---------- Breadcrumbs ---------- */
.crumbs{background:var(--paper-deep);border-bottom:1px solid var(--line);}
.crumbs-inner{display:flex;align-items:center;gap:9px;height:52px;font-size:13px;color:var(--muted);overflow:hidden;white-space:nowrap;}
.crumbs-inner a{color:var(--sub);}
.crumbs-inner a:hover{color:var(--accent);}
.crumbs-inner .sep{color:#BFC7C2;}
.crumbs-inner .current{overflow:hidden;text-overflow:ellipsis;max-width:48ch;color:var(--muted);}

/* ---------- Article head ---------- */
.article-head{padding:56px 0 0;}
.article-head-inner{max-width:760px;margin:0 auto;}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 13px;border-radius:999px;
  background:var(--brand-light);color:var(--brand);
  font-size:12px;font-weight:700;letter-spacing:.02em;
}
.badge-accent{background:var(--accent-light);color:var(--accent-dark);}
.article-title{
  margin:18px 0 20px;
  font-size:clamp(28px,3.6vw,40px);line-height:1.24;font-weight:800;letter-spacing:-.01em;color:var(--ink);
  word-break:break-word;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--muted);}
.meta-row .dot{width:3px;height:3px;border-radius:50%;background:#C3CBC6;flex:0 0 auto;}
.head-rule{max-width:760px;margin:30px auto 0;height:1px;background:var(--line);}

/* ---------- Article body ---------- */
.article-main{padding:40px 0 8px;}
.article-body{
  max-width:760px;margin:0 auto;
  font-size:17px;line-height:1.9;color:var(--sub);
  word-break:break-word;
}
.article-body p{margin:0 0 1.4em;}
.article-body h2{
  position:relative;
  margin:2.2em 0 .8em;padding-left:16px;
  font-size:clamp(21px,2.5vw,27px);line-height:1.32;font-weight:700;color:var(--ink);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.26em;bottom:.26em;width:4px;
  border-radius:2px;background:var(--accent);
}
.article-body h3{margin:1.8em 0 .6em;font-size:20px;line-height:1.4;font-weight:600;color:var(--ink);}
.article-body h4{margin:1.5em 0 .5em;font-size:17px;font-weight:700;color:var(--ink);}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:1.4em;}
.article-body ul>li{list-style:disc;}
.article-body ol>li{list-style:decimal;}
.article-body li{margin-bottom:.45em;}
.article-body li::marker{color:var(--brand);}
.article-body blockquote{
  margin:1.7em 0;padding:18px 22px;
  border-left:3px solid var(--brand);border-radius:0 12px 12px 0;
  background:var(--brand-light);color:var(--brand-dark);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:12px;margin:1.6em auto;height:auto;}
.article-body figure{margin:1.7em 0;}
.article-body figcaption{margin-top:10px;font-size:13px;color:var(--muted);text-align:center;}
.article-body table{width:100%;border-collapse:collapse;margin:1.7em 0;font-size:15px;line-height:1.7;}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;}
.article-body th{background:var(--paper-deep);color:var(--ink);font-weight:700;}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--accent);}
.article-body strong{color:var(--ink);font-weight:700;}
.article-body hr{border:0;height:1px;background:var(--line);margin:2.2em 0;}
.article-body .key-box{
  margin:1.7em 0;padding:20px 22px;
  border-left:3px solid var(--accent);border-radius:0 12px 12px 0;
  background:#FDF7F4;font-size:16px;color:var(--sub);
}
.article-body .key-box p:last-child{margin-bottom:0;}

/* ---------- Empty state ---------- */
.empty-state{
  max-width:760px;margin:0 auto;padding:64px 32px;text-align:center;
  background:var(--card);border:1px dashed var(--line);border-radius:var(--r-card);
}
.empty-icon{
  width:64px;height:64px;margin:0 auto 20px;border-radius:18px;
  background:var(--brand-light);color:var(--brand);display:grid;place-items:center;
}
.empty-icon svg{width:30px;height:30px;}
.empty-state h2{font-size:24px;font-weight:700;color:var(--ink);margin-bottom:10px;}
.empty-state p{font-size:15px;color:var(--muted);margin-bottom:26px;}

/* ---------- Tags / back ---------- */
.article-foot{max-width:760px;margin:40px auto 0;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:var(--sub);font-size:13px;
  transition:border-color .22s var(--ease),color .22s var(--ease),background .22s var(--ease);
}
.tag:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-light);}
.back-link{display:inline-flex;align-items:center;gap:7px;font-size:14px;font-weight:600;color:var(--brand);}
.back-link svg{width:15px;height:15px;transition:transform .22s var(--ease);}
.back-link:hover svg{transform:translateX(-3px);}

/* ---------- Related ---------- */
.related{margin-top:64px;padding:64px 0 72px;background:var(--paper-deep);border-top:1px solid var(--line);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;}
.eyebrow{display:block;margin-bottom:10px;font-size:12px;font-weight:700;letter-spacing:.18em;color:var(--accent);text-transform:uppercase;}
.section-title{font-size:clamp(23px,2.8vw,32px);line-height:1.25;font-weight:700;color:var(--ink);}
.section-desc{margin-top:12px;font-size:15px;color:var(--muted);max-width:52ch;}
.link-underline{position:relative;display:inline-block;font-size:14px;font-weight:600;color:var(--brand);white-space:nowrap;}
.link-underline::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:1px;background:var(--accent);
  transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);
}
.link-underline:hover{color:var(--brand);}
.link-underline:hover::after{transform:scaleX(1);}

.cards-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.post-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#D5CFC4;}
.post-thumb{position:relative;display:block;aspect-ratio:16/9;overflow:hidden;background:var(--brand-light);}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .22s var(--ease);}
.post-card:hover .post-thumb img{transform:scale(1.03);}
.post-thumb .badge{position:absolute;left:12px;top:12px;box-shadow:0 6px 14px -10px rgba(16,23,26,.6);}
.post-body{display:flex;flex-direction:column;flex:1 1 auto;padding:20px 20px 18px;}
.post-title{font-size:18px;line-height:1.5;font-weight:600;color:var(--ink);margin-bottom:10px;}
.post-title a{color:inherit;}
.post-title a:hover{color:var(--brand);}
.post-excerpt{
  font-size:14px;line-height:1.75;color:var(--muted);margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
}
.post-meta{font-size:12.5px;color:var(--muted);letter-spacing:.02em;}

/* ---------- Footer ---------- */
.site-footer{background:var(--dark);color:var(--dark-ink);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;}
.footer-brand .brand{color:var(--dark-ink);margin-bottom:16px;}
.footer-brand .brand:hover{color:var(--dark-ink);}
.footer-brand .brand-mark{background:rgba(255,255,255,.1);color:#fff;box-shadow:none;}
.footer-brand .brand-light{color:rgba(243,241,234,.45);}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--dark-sub);max-width:34ch;}
.footer-col h4{font-size:14px;font-weight:700;color:var(--dark-ink);margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:14px;color:var(--dark-sub);}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  padding:22px 0 26px;border-top:1px solid rgba(243,241,234,.12);
  font-size:13px;color:rgba(243,241,234,.5);
}
.fb-right{display:flex;flex-wrap:wrap;gap:20px;}
.fb-right a{color:rgba(243,241,234,.6);font-size:13px;}
.fb-right a:hover{color:var(--accent);}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s var(--ease),transform .4s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .nav-search input{width:170px;}
  .cards-row{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:960px){
  .nav-center{display:none;}
  .nav-search{display:none;}
  .nav-right .btn-ghost{display:none;}
  .nav-toggle{display:inline-flex;}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  .header-inner{height:64px;gap:12px;}
  .article-head{padding:36px 0 0;}
  .article-main{padding:30px 0 8px;}
  .article-body{font-size:16px;line-height:1.85;}
  .related{margin-top:48px;padding:48px 0 56px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;}
  .cards-row{grid-template-columns:repeat(1,minmax(0,1fr));gap:18px;}
  .site-footer{padding-top:48px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px;}
}
@media (max-width:520px){
  .brand-strong{font-size:13px;}
  .brand-light{display:none;}
  .brand-mark{width:34px;height:34px;border-radius:10px;}
  .nav-right .btn-primary{height:38px;padding:0 14px;font-size:13px;}
  .footer-grid{grid-template-columns:1fr;}
  .crumbs-inner{height:46px;font-size:12px;}
  .article-title{margin:14px 0 16px;}
  .article-foot{flex-direction:column;align-items:flex-start;}
  .article-body th,.article-body td{padding:10px 10px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
:root{
  --ink:#10171A;
  --ink-2:#3A4744;
  --muted:#6B7773;
  --line:#E3DFD7;
  --paper:#F7F5F0;
  --card:#FFFFFF;
  --dark:#0D1512;
  --primary:#10453B;
  --primary-deep:#0A2E28;
  --primary-soft:#E4EDE9;
  --accent:#E8593A;
  --accent-soft:#FDE9E4;
  --cream:#F3F1EA;
  --radius-card:16px;
  --radius-btn:10px;
  --shadow-card:0 1px 2px rgba(16,23,26,.04), 0 12px 32px -18px rgba(16,23,26,.14);
  --shadow-hover:0 2px 4px rgba(16,23,26,.06), 0 20px 44px -20px rgba(16,23,26,.20);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::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","Inter",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.8;color:var(--ink);background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,dl,dd{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;border:0}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section-head{max-width:720px}
.section-head h2{font-size:clamp(26px,3.2vw,36px);font-weight:700;line-height:1.22;letter-spacing:-.01em;margin-top:14px}
.section-head p{margin-top:14px;font-size:16px;line-height:1.85;color:var(--ink-2)}
.eyebrow{display:inline-block;font-size:12px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--accent)}
.eyebrow.on-dark{color:#8FD3BC}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:var(--paper);border-bottom:1px solid var(--line);transition:box-shadow .22s var(--ease)}
.site-header.is-stuck{box-shadow:0 6px 20px -14px rgba(16,23,26,.4)}
.nav-shell{display:flex;align-items:center;gap:22px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:38px;height:38px;border-radius:11px;background:var(--primary);color:#F3F1EA;display:grid;place-items:center;flex-shrink:0}
.brand-mark svg{width:20px;height:20px}
.brand-text{display:flex;flex-direction:column;line-height:1.18}
.brand-strong{font-size:15px;font-weight:800;letter-spacing:-.01em;color:var(--ink)}
.brand-light{font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);font-weight:500}
.nav-center{display:flex;align-items:center;gap:26px;margin-left:6px}
.nav-link{position:relative;display:inline-block;font-size:15px;color:var(--ink-2);padding:6px 0;transition:color .22s var(--ease)}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease)}
.nav-link:hover{color:var(--primary)}
.nav-link:hover::after{transform:scaleX(.5)}
.nav-link.is-active{color:var(--ink);font-weight:700}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:14px}
.nav-search{position:relative;width:238px}
.nav-search svg{position:absolute;left:15px;top:50%;transform:translateY(-50%);width:16px;height:16px;color:var(--muted);pointer-events:none}
.nav-search input{width:100%;height:40px;border-radius:999px;border:1px solid var(--line);background:var(--card);padding:0 16px 0 42px;font-size:14px;transition:border-color .22s var(--ease),box-shadow .22s var(--ease)}
.nav-search input::placeholder{color:#9AA5A1}
.nav-search input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(16,69,59,.12)}
.link-btn{font-size:15px;color:var(--ink-2);padding:8px 6px;transition:color .22s var(--ease)}
.link-btn:hover{color:var(--primary)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;white-space:nowrap;transition:transform .22s var(--ease),box-shadow .22s var(--ease),background-color .22s var(--ease),border-color .22s var(--ease);min-height:44px}
.btn-primary{background:var(--primary);color:var(--cream)}
.btn-primary:hover{background:#0C352D;transform:translateY(-2px);box-shadow:0 16px 28px -16px rgba(16,69,59,.65)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:#D24A2E;transform:translateY(-2px);box-shadow:0 16px 28px -16px rgba(232,89,58,.7)}
.btn-ghost{background:transparent;border:1px solid rgba(243,241,234,.34);color:var(--cream)}
.btn-ghost:hover{background:rgba(243,241,234,.1);transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.nav-toggle{display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);align-items:center;justify-content:center;background:var(--card)}
.nav-toggle svg{width:20px;height:20px}
.mobile-panel{display:none;border-top:1px solid var(--line);background:var(--paper);padding:8px 0 18px}
.mobile-panel.is-open{display:block}
.mobile-panel a{display:block;padding:14px 0;font-size:15px;color:var(--ink-2);border-bottom:1px solid var(--line)}
.mobile-panel a.is-active{color:var(--primary);font-weight:700}
.mobile-panel .btn{margin-top:16px;width:100%}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--dark);color:var(--cream);overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;opacity:.26}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(13,21,18,.94) 0%,rgba(10,46,40,.82) 58%,rgba(13,21,18,.72) 100%)}
.hero-inner{position:relative;z-index:2;padding:76px 0 64px}
.hero h1{font-size:clamp(34px,4.6vw,60px);line-height:1.08;font-weight:800;letter-spacing:-.02em;margin:18px 0 20px}
.hero h1 .hl{color:#8FD3BC}
.hero-sub{font-size:18px;line-height:1.8;color:rgba(243,241,234,.82);max-width:48ch}
.hero-note{margin-top:12px;font-size:14px;line-height:1.8;color:rgba(243,241,234,.6);max-width:46ch}
.hero-actions{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap}
.hero-badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}
.hero-badge{font-size:13px;padding:7px 15px;border-radius:999px;border:1px solid rgba(243,241,234,.24);color:rgba(243,241,234,.82);background:rgba(243,241,234,.05)}
.hero-media{position:relative;border-radius:16px;overflow:hidden;border:1px solid rgba(243,241,234,.16);aspect-ratio:4/3;box-shadow:0 30px 60px -40px rgba(0,0,0,.9)}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{content:"";position:absolute;inset:0;background:rgba(16,69,59,.16)}
.hero-caption{position:absolute;left:18px;right:18px;bottom:16px;z-index:3;font-size:12px;letter-spacing:.04em;color:rgba(243,241,234,.86);background:rgba(13,21,18,.5);border:1px solid rgba(243,241,234,.16);border-radius:10px;padding:8px 12px}
.hero-stats{position:relative;z-index:2;border-top:1px solid rgba(243,241,234,.14)}
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:0;padding:26px 0 34px}
.stat-item{padding:0 24px;border-left:1px solid rgba(243,241,234,.14)}
.stat-item:first-child{border-left:0;padding-left:0}
.stat-num{font-size:clamp(26px,3vw,38px);font-weight:800;line-height:1;font-variant-numeric:tabular-nums;font-feature-settings:"tnum";color:var(--cream)}
.stat-num small{font-size:.5em;font-weight:600;margin-left:4px;color:#8FD3BC}
.stat-label{margin-top:9px;font-size:13px;line-height:1.6;color:rgba(243,241,234,.6)}

/* ---------- 锚点 + 内容流 ---------- */
.anchor-layout{display:grid;grid-template-columns:232px 1fr;gap:56px;align-items:start;margin-top:8px}
.anchor-nav{position:sticky;top:100px}
.anchor-nav .anchor-title{font-size:12px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:14px}
.anchor-nav a{display:block;padding:10px 0 10px 14px;font-size:14px;color:var(--ink-2);border-left:2px solid var(--line);transition:color .22s var(--ease),border-color .22s var(--ease),background-color .22s var(--ease)}
.anchor-nav a:hover,.anchor-nav a.is-active{color:var(--primary);border-left-color:var(--accent);font-weight:600}
.content-block{padding-bottom:44px;margin-bottom:44px;border-bottom:1px solid var(--line);scroll-margin-top:96px}
.content-block:last-child{padding-bottom:0;margin-bottom:0;border-bottom:0}
.content-block h2{font-size:clamp(22px,2.4vw,28px);font-weight:700;line-height:1.3;padding-left:16px;border-left:4px solid var(--accent);letter-spacing:-.01em}
.content-block > p{margin-top:16px;font-size:16px;line-height:1.85;color:var(--ink-2);max-width:64ch}
.point-grid{margin:22px -12px 0}
.point-grid > .cell{padding:0 12px 20px;display:flex}
.point{flex:1;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:22px 24px;box-shadow:var(--shadow-card);transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease)}
.point:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#D5CFC4}
.point h3{font-size:16px;font-weight:700;line-height:1.5;margin-bottom:8px}
.point p{font-size:14px;line-height:1.78;color:var(--ink-2)}
.steps{margin-top:22px;border-top:1px solid var(--line)}
.step{display:grid;grid-template-columns:66px 1fr;gap:20px;padding:22px 0;border-bottom:1px solid var(--line)}
.step-num{font-size:26px;font-weight:800;line-height:1.1;color:#C3D6CF;font-variant-numeric:tabular-nums}
.step h3{font-size:17px;font-weight:700;line-height:1.5}
.step p{margin-top:6px;font-size:14px;line-height:1.8;color:var(--ink-2)}
.qa-list{margin-top:22px}
.qa-row{display:grid;grid-template-columns:250px 1fr;gap:26px;padding:20px 0;border-top:1px solid var(--line)}
.qa-row:last-child{border-bottom:1px solid var(--line)}
.qa-row h3{font-size:16px;font-weight:700;line-height:1.6}
.qa-row p{font-size:15px;line-height:1.82;color:var(--ink-2)}

/* ---------- FAQ ---------- */
.faq-list{margin-top:32px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card)}
.faq-item{border-top:1px solid var(--line)}
.faq-item:first-child{border-top:0}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 24px;cursor:pointer;list-style:none;transition:background-color .22s var(--ease)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:#FBFAF6}
.faq-item summary h3{font-size:17px;font-weight:600;line-height:1.55}
.faq-icon{position:relative;width:22px;height:22px;flex-shrink:0;border-radius:50%;border:1px solid var(--line);transition:transform .24s var(--ease),border-color .24s var(--ease),background-color .24s var(--ease)}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--primary);border-radius:2px;transition:opacity .24s var(--ease)}
.faq-icon::before{width:10px;height:2px;left:5px;top:9px}
.faq-icon::after{width:2px;height:10px;left:9px;top:5px}
.faq-item[open] .faq-icon{background:var(--primary-soft);border-color:var(--primary-soft);transform:rotate(180deg)}
.faq-item[open] .faq-icon::before{background:var(--primary)}
.faq-item[open] .faq-icon::after{opacity:0}
.faq-item[open] summary h3{color:var(--primary)}
.faq-a{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--ink-2);max-width:74ch}

/* ---------- 双卡跳转 ---------- */
.next-grid{margin:0 -10px}
.next-grid > .cell{padding:0 10px 20px;display:flex}
.next-card{flex:1;display:flex;flex-direction:column;gap:10px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:28px;box-shadow:var(--shadow-card);transition:transform .22s var(--ease),box-shadow .22s var(--ease)}
.next-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.next-kicker{font-size:12px;font-weight:600;letter-spacing:.16em;color:var(--accent)}
.next-card h3{font-size:20px;font-weight:700;line-height:1.4}
.next-card p{font-size:14px;line-height:1.8;color:var(--ink-2)}
.next-go{margin-top:auto;padding-top:8px;font-size:14px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px}
.next-go span{transition:transform .22s var(--ease)}
.next-card:hover .next-go span{transform:translateX(4px)}

/* ---------- CTA 条 ---------- */
.cta-band{background:var(--primary-soft);border:1px solid #D2E1DB;border-radius:20px;padding:38px 42px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.3;letter-spacing:-.01em}
.cta-band p{margin-top:10px;font-size:15px;line-height:1.8;color:var(--ink-2);max-width:52ch}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.cta-actions .btn-primary{background:var(--primary-deep)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(243,241,234,.72);padding-top:64px;margin-top:8px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand .brand{margin-bottom:18px}
.footer-brand .brand-mark{background:rgba(243,241,234,.12)}
.footer-brand .brand-strong{color:var(--cream)}
.footer-brand .brand-light{color:rgba(243,241,234,.45)}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(243,241,234,.6);max-width:36ch}
.footer-col h4{font-size:13px;font-weight:600;letter-spacing:.14em;color:rgba(243,241,234,.5);margin-bottom:16px}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(243,241,234,.72);transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{border-top:1px solid rgba(243,241,234,.14);padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(243,241,234,.5)}
.fb-right{display:flex;gap:22px;flex-wrap:wrap}
.fb-right a{color:rgba(243,241,234,.55);transition:color .2s var(--ease)}
.fb-right a:hover{color:var(--accent)}

/* ---------- 进场 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s var(--ease),transform .4s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .nav-center{display:none}
  .nav-search{display:none}
  .nav-toggle{display:inline-flex}
  .anchor-layout{grid-template-columns:1fr;gap:32px}
  .anchor-nav{position:static;display:flex;gap:8px;overflow-x:auto;padding-bottom:6px;-webkit-overflow-scrolling:touch}
  .anchor-nav .anchor-title{display:none}
  .anchor-nav a{flex:0 0 auto;border-left:0;border:1px solid var(--line);border-radius:999px;padding:8px 16px;background:var(--card);white-space:nowrap}
  .anchor-nav a:hover,.anchor-nav a.is-active{border-color:var(--primary);background:var(--primary-soft)}
}
@media (max-width:900px){
  .hero-inner{padding:56px 0 48px}
  .hero-media{margin-top:36px;aspect-ratio:16/9}
  .stat-row{grid-template-columns:1fr 1fr;gap:24px 0;padding:24px 0 30px}
  .stat-item{padding:0 20px}
  .stat-item:nth-child(odd){border-left:0;padding-left:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .qa-row{grid-template-columns:1fr;gap:8px}
  .section{padding:60px 0}
}
@media (max-width:640px){
  .container{padding:0 20px}
  .nav-shell{height:60px;gap:12px}
  .brand-mark{width:34px;height:34px;border-radius:10px}
  .brand-strong{font-size:13.5px}
  .brand-light{font-size:9px}
  .nav-right .link-btn{display:none}
  .nav-right .btn{height:40px;padding:0 14px;font-size:14px}
  .hero h1{font-size:clamp(28px,7.4vw,38px)}
  .hero-sub{font-size:16px}
  .hero-actions .btn{width:100%}
  .hero-media{margin-top:28px;aspect-ratio:4/3}
  .stat-row{padding:20px 0 26px}
  .stat-num{font-size:26px}
  .point-grid{margin-left:0;margin-right:0}
  .point-grid > .cell{padding:0 0 16px}
  .step{grid-template-columns:48px 1fr;gap:14px;padding:18px 0}
  .step-num{font-size:22px}
  .faq-item summary{padding:16px}
  .faq-a{padding:0 16px 18px}
  .cta-band{padding:26px 22px;border-radius:16px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .next-grid{margin:0}
  .next-grid > .cell{padding:0 0 16px}
  .section{padding:52px 0}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:34px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --paper:#F7F5F0;
  --card:#FFFFFF;
  --ink:#10171A;
  --muted:#3A4744;
  --weak:#6B7773;
  --line:#E3DFD7;
  --primary:#10453B;
  --primary-deep:#0A2E28;
  --primary-tint:#E4EDE9;
  --accent:#E8593A;
  --accent-tint:#FDE9E4;
  --dark:#0D1512;
  --dark-text:#F3F1EA;
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --shadow-1:0 1px 2px rgba(16,23,26,.04),0 12px 32px -18px rgba(16,23,26,.14);
  --shadow-2:0 2px 4px rgba(16,23,26,.06),0 20px 44px -20px rgba(16,23,26,.20);
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Inter",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  font-feature-settings:"tnum";
}
h1,h2,h3,h4,p,figure{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease)}
img{display:block;max-width:100%;height:auto}
button,input,select,textarea{font:inherit;color:inherit}
svg{display:block}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ===== 按钮 ===== */
.btn-primary,.btn-ghost,.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;
  gap:8px;height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;
  transition:transform .22s var(--ease),background .22s var(--ease),box-shadow .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.btn-primary{background:var(--primary);border-color:var(--primary);color:#FFFFFF}
.btn-primary:hover{background:#0D3A31;border-color:#0D3A31;transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--primary);color:var(--primary)}
.btn-ghost:hover{background:var(--primary-tint);transform:translateY(-2px);box-shadow:var(--shadow-1)}
.btn-accent{background:var(--accent);border-color:var(--accent);color:#FFFFFF}
.btn-accent:hover{background:#D24A2E;border-color:#D24A2E;transform:translateY(-2px);box-shadow:0 18px 36px -20px rgba(232,89,58,.7)}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:90;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 22px -16px rgba(16,23,26,.55)}
.nav-wrap{display:flex;align-items:center;gap:20px;height:72px}

.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;border-radius:11px;
  background:var(--primary);color:#F3F1EA;
  display:grid;place-items:center;flex:0 0 auto;
  transition:background .22s var(--ease),transform .22s var(--ease);
}
.brand-mark svg{width:20px;height:20px}
.brand:hover .brand-mark{background:var(--primary-deep);transform:translateY(-1px)}
.brand-text{display:flex;flex-direction:column;line-height:1.22}
.brand-strong{font-size:15px;font-weight:800;letter-spacing:-.01em;color:var(--ink)}
.brand-light{font-size:9.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--weak)}

.nav-center{display:flex;align-items:center;gap:26px;margin:0 auto}
.nav-link{position:relative;font-size:15px;color:var(--muted);padding:8px 0;white-space:nowrap}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;
  background:var(--accent);border-radius:2px;
  transform:scaleX(0);transform-origin:left;
  transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--primary)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink);font-weight:700}
.nav-link.is-active::after{transform:scaleX(1)}

.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-search{position:relative;width:210px}
.nav-search svg{position:absolute;left:13px;top:50%;transform:translateY(-50%);width:16px;height:16px;color:var(--weak);pointer-events:none}
.nav-search input{
  width:100%;height:40px;border-radius:999px;border:1px solid var(--line);
  background:#FFFFFF;padding:0 16px 0 38px;font-size:14px;color:var(--ink);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.nav-search input::placeholder{color:var(--weak)}
.nav-search input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-tint)}
.btn-login{font-size:15px;color:var(--muted);padding:8px 4px;white-space:nowrap}
.btn-login:hover{color:var(--primary)}
.nav-actions .btn-primary{height:42px;padding:0 18px}

.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;
  background:#FFFFFF;cursor:pointer;padding:0;place-items:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;margin:3px auto;transition:transform .22s var(--ease),opacity .22s var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

.mobile-panel{display:none;border-top:1px solid var(--line);background:var(--paper)}
.mobile-panel.is-open{display:block}
.mp-inner{padding:10px 0 22px;display:flex;flex-direction:column;gap:2px}
.mp-link{padding:12px 2px;font-size:16px;color:var(--muted);border-bottom:1px solid var(--line)}
.mp-link.is-active{color:var(--ink);font-weight:700}
.mp-cta{margin-top:16px;height:48px;width:100%}

/* ===== 页头 ===== */
.cat-hero{position:relative;background:var(--dark);color:var(--dark-text);padding:84px 0 76px;overflow:hidden;isolation:isolate}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.34;z-index:-2;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(13,21,18,.82) 0%,rgba(13,21,18,.94) 100%);
}
.cat-hero .container{max-width:920px;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.18em;color:var(--accent);
  text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:1px;background:currentColor;opacity:.7}
.cat-hero .eyebrow{color:#F79B84}
.cat-hero .eyebrow::before{display:none}
.cat-hero .eyebrow{
  padding:7px 16px;border:1px solid rgba(243,241,234,.24);border-radius:999px;
  letter-spacing:.14em;
}
.cat-hero h1{
  margin-top:24px;
  font-size:clamp(28px,4.2vw,46px);
  line-height:1.2;font-weight:800;letter-spacing:-.01em;
  color:#FFFFFF;
}
.cat-hero h1 .h1-lead{display:block;color:#FFFFFF}
.cat-hero h1 .h1-sub{display:block;font-size:clamp(20px,2.6vw,28px);font-weight:600;color:#9CC4B6;margin-top:10px;letter-spacing:0}
.hero-sub{margin:22px auto 0;max-width:640px;font-size:16.5px;line-height:1.85;color:rgba(243,241,234,.76)}
.hero-stats{
  margin-top:34px;display:flex;flex-wrap:wrap;justify-content:center;gap:12px 40px;
  font-size:13px;color:rgba(243,241,234,.62);
}
.hero-stats span{display:inline-flex;align-items:baseline;gap:8px}
.hero-stats b{font-size:22px;font-weight:800;color:#FFFFFF;font-feature-settings:"tnum";line-height:1}

/* ===== 板块通用 ===== */
.section{padding:76px 0}
.section-tight{padding:64px 0}
.sec-head{margin-bottom:38px;display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.sec-head-main{max-width:680px}
.sec-title{font-size:clamp(24px,3vw,32px);font-weight:700;line-height:1.28;letter-spacing:-.01em;margin-top:10px}
.sec-desc{margin-top:12px;font-size:15px;line-height:1.85;color:var(--weak)}
.sec-link{font-size:14px;font-weight:600;color:var(--primary);white-space:nowrap;padding-bottom:2px;border-bottom:1px solid transparent;transition:border-color .22s var(--ease),color .22s var(--ease)}
.sec-link:hover{border-color:var(--accent);color:var(--accent)}

/* ===== 速览卡 ===== */
.quick-grid{align-items:stretch}
.quick-card{
  height:100%;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:30px 26px;box-shadow:var(--shadow-1);
  display:flex;flex-direction:column;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.quick-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#D3E2DB}
.quick-icon{
  width:46px;height:46px;border-radius:13px;background:var(--primary-tint);color:var(--primary);
  display:grid;place-items:center;margin-bottom:20px;
}
.quick-icon svg{width:22px;height:22px}
.quick-card h3{font-size:19px;font-weight:700;line-height:1.4}
.quick-card p{margin-top:10px;font-size:14.5px;line-height:1.85;color:var(--weak)}
.quick-tag{
  margin-top:auto;padding-top:18px;
  font-size:12.5px;font-weight:700;letter-spacing:.06em;color:var(--primary);
}
.quick-tag span{color:var(--weak);font-weight:500;letter-spacing:0}

/* ===== 问答分组 ===== */
.qa-wrap{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:8px 40px 12px;box-shadow:var(--shadow-1)}
.qa-group{padding:32px 0 8px}
.qa-group + .qa-group{border-top:1px solid var(--line)}
.qa-group-head{display:flex;align-items:baseline;gap:14px;margin-bottom:6px}
.qa-num{font-size:12px;font-weight:800;letter-spacing:.16em;color:var(--accent);flex:0 0 auto}
.qa-group-head h3{font-size:20px;font-weight:700;line-height:1.4}
.qa-count{margin-left:auto;font-size:12.5px;color:var(--weak);flex:0 0 auto}
.qa-row{
  display:grid;grid-template-columns:300px 1fr;gap:36px;
  padding:24px 0;border-top:1px solid var(--line);
}
.qa-row:first-of-type{border-top:none}
.qa-q{font-size:16px;font-weight:700;line-height:1.7;color:var(--ink)}
.qa-q::before{content:"问";display:inline-block;font-size:11px;font-weight:800;color:var(--accent);background:var(--accent-tint);border-radius:999px;padding:1px 7px;margin-right:9px;vertical-align:2px;letter-spacing:.06em}
.qa-a{font-size:15.5px;line-height:1.9;color:var(--muted)}

/* ===== 提示条 ===== */
.note-bar{
  margin-top:34px;display:flex;gap:16px;align-items:flex-start;
  background:var(--primary-tint);border:1px solid #D3E2DB;border-radius:var(--r-card);
  padding:22px 26px;
}
.note-bar .note-icon{flex:0 0 auto;width:34px;height:34px;border-radius:10px;background:#FFFFFF;color:var(--primary);display:grid;place-items:center}
.note-bar .note-icon svg{width:18px;height:18px}
.note-bar p{font-size:14.5px;line-height:1.85;color:var(--primary-deep)}
.note-bar strong{font-weight:700}

/* ===== CTA 条 ===== */
.cta-bar{
  background:var(--primary-tint);
  border:1px solid #D3E2DB;border-radius:22px;
  padding:40px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-bar h2{font-size:clamp(22px,2.6vw,28px);font-weight:700;line-height:1.35;letter-spacing:-.01em}
.cta-bar p{margin-top:10px;font-size:15px;line-height:1.85;color:var(--muted);max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ===== 页脚 ===== */
.site-footer{background:var(--dark);color:rgba(243,241,234,.72);border-top:1px solid rgba(243,241,234,.1);padding:64px 0 0;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand .brand{margin-bottom:18px}
.footer-brand .brand-strong{color:#FFFFFF}
.footer-brand .brand-light{color:rgba(243,241,234,.44)}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(243,241,234,.6);max-width:320px}
.footer-col h4{font-size:14px;font-weight:700;color:#FFFFFF;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(243,241,234,.66)}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  border-top:1px solid rgba(243,241,234,.12);
  padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(243,241,234,.48);
}
.fb-right{display:flex;gap:22px;flex-wrap:wrap}
.fb-right a{color:rgba(243,241,234,.56)}
.fb-right a:hover{color:var(--accent)}

/* ===== 进场动效 ===== */
@keyframes riseIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.rise{animation:riseIn .6s var(--ease) both}
.rise-2{animation-delay:.08s}
.rise-3{animation-delay:.16s}

/* ===== 断点 ===== */
@media (max-width:1024px){
  .nav-search{display:none}
  .nav-center{gap:18px}
  .nav-link{font-size:14.5px}
  .qa-row{grid-template-columns:250px 1fr;gap:26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}

@media (max-width:899px){
  .nav-center,.nav-actions .btn-login{display:none}
  .nav-toggle{display:grid}
  .nav-wrap{height:64px;gap:12px}
  .brand-light{display:none}
  .brand-mark{width:32px;height:32px;border-radius:10px}
  .brand-strong{font-size:14px}
  .section{padding:56px 0}
  .section-tight{padding:48px 0}
  .cat-hero{padding:60px 0 54px}
  .hero-stats{gap:10px 26px}
  .qa-wrap{padding:8px 22px 10px;border-radius:16px}
  .qa-row{grid-template-columns:1fr;gap:10px;padding:22px 0}
  .qa-group-head{flex-wrap:wrap;gap:8px 12px}
  .qa-count{margin-left:0}
  .cta-bar{padding:30px 24px;border-radius:18px}
  .cta-actions{width:100%}
  .cta-actions .btn-primary,.cta-actions .btn-ghost{flex:1 1 auto}
}

@media (max-width:640px){
  .container{padding:0 20px}
  .sec-head{margin-bottom:28px}
  .quick-card{padding:24px 22px}
  .cat-hero h1{font-size:26px}
  .cat-hero h1 .h1-sub{font-size:18px}
  .hero-sub{font-size:15.5px}
  .hero-stats b{font-size:19px}
  .qa-wrap{padding:4px 18px 8px}
  .qa-q{font-size:15.5px}
  .qa-a{font-size:15px}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:36px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px}
  .site-footer{padding-top:48px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-delay:0ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}