/* roulang page: index */
:root{
  --primary:#123B32;
  --primary-soft:rgba(18,59,50,.08);
  --deep:#0B1F1B;
  --accent:#B8E62E;
  --alert:#E4572E;
  --bg:#FAF8F4;
  --surface:#F2EFE8;
  --line:#DCD6C9;
  --text:#16191A;
  --text-2:#5A6159;
  --text-3:#8C9187;
  --white:#FFFFFF;
  --r-card:16px;
  --r-btn:12px;
  --r-pill:999px;
  --r-input:12px;
  --sh-1:0 1px 2px rgba(11,31,27,.06);
  --sh-2:0 12px 32px -16px rgba(11,31,27,.18);
  --sh-hover:0 2px 4px rgba(11,31,27,.06),0 18px 40px -18px rgba(11,31,27,.28);
  --maxw:1200px;
  --font-cn:"Noto Sans SC","MiSans","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"DIN Alternate","Bebas Neue",ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  --sec-pad:96px;
  --nav-h:72px;
}
*,*::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:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-card);}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.015em;line-height:1.25;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;}
.container{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 32px;
}
.num{font-family:var(--font-num);letter-spacing:.02em;}

/* ---------- header ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:60;
  background:rgba(250,248,244,.94);
  backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .3s ease, box-shadow .3s ease;
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:0 10px 30px -22px rgba(11,31,27,.5);
}
.nav-inner{
  height:var(--nav-h);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.logo{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:900;
  font-size:17px;
  letter-spacing:-.02em;
  color:var(--deep);
  white-space:nowrap;
}
.logo-mark{
  width:34px;height:34px;
  border-radius:10px;
  background:var(--primary);
  color:var(--accent);
  display:grid;
  place-items:center;
  font-family:var(--font-num);
  font-size:16px;
  font-weight:700;
  flex:0 0 auto;
}
.nav-menu{
  display:flex;
  align-items:center;
  gap:6px;
}
.nav-link{
  position:relative;
  padding:9px 15px;
  border-radius:var(--r-pill);
  font-size:15px;
  color:var(--text-2);
  transition:color .2s ease, background-color .2s ease;
}
.nav-link:hover{color:var(--primary);background:var(--primary-soft);}
.nav-link.active{color:var(--primary);background:var(--primary-soft);font-weight:600;}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:var(--r-btn);
  border:1px solid var(--line);
  background:var(--white);
  align-items:center;
  justify-content:center;
  cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--deep);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--deep);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

main{padding-top:var(--nav-h);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 22px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:background-color .28s cubic-bezier(.22,.61,.36,1),color .28s ease,border-color .28s ease,transform .18s ease,box-shadow .28s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--accent);color:var(--deep);box-shadow:var(--sh-2);}
.btn-outline{border:1.5px solid var(--primary);color:var(--primary);background:transparent;}
.btn-outline:hover{background:var(--primary);color:#fff;}
.btn-ghost-light{border:1.5px solid rgba(255,255,255,.45);color:#fff;background:transparent;}
.btn-ghost-light:hover{border-color:var(--accent);color:var(--accent);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn:active{transform:translateY(1px);}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  color:var(--primary);
  border-bottom:2px solid transparent;
  transition:border-color .28s ease;
}
.link-arrow:hover{border-bottom-color:var(--accent);}

/* ---------- hero ---------- */
.hero{
  position:relative;
  background:var(--deep);
  color:#fff;
  overflow:hidden;
  padding:76px 0 64px;
}
.hero-bg{
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  opacity:.32;
}
.hero-bg::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(105deg,rgba(11,31,27,.96) 0%,rgba(11,31,27,.82) 45%,rgba(18,59,50,.62) 100%);
}
.hero-inner{
  position:relative;
  display:grid;
  grid-template-columns:1.12fr .88fr;
  gap:52px;
  align-items:center;
}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:rgba(184,230,46,.14);
  border:1px solid rgba(184,230,46,.4);
  color:var(--accent);
  font-size:13px;
  letter-spacing:.04em;
  margin-bottom:22px;
}
.hero h1{
  font-size:clamp(30px,4.1vw,52px);
  font-weight:900;
  letter-spacing:-.02em;
  line-height:1.18;
}
.hero-sub{
  margin-top:18px;
  font-size:18px;
  line-height:1.75;
  color:rgba(255,255,255,.82);
  max-width:520px;
}
.hero-desc{
  margin-top:14px;
  font-size:15px;
  line-height:1.85;
  color:rgba(255,255,255,.62);
  max-width:540px;
}
.hero-actions{margin-top:32px;display:flex;gap:14px;flex-wrap:wrap;}
.hero-stats{
  margin-top:46px;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  padding-top:26px;
  border-top:1px solid rgba(255,255,255,.16);
}
.stat-num{
  font-family:var(--font-num);
  font-size:clamp(24px,3vw,36px);
  color:var(--accent);
  line-height:1.1;
}
.stat-label{
  margin-top:6px;
  font-size:13px;
  color:rgba(255,255,255,.6);
  letter-spacing:.02em;
}
.hero-panel{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-card);
  padding:26px;
  box-shadow:0 24px 60px -30px rgba(0,0,0,.6);
}
.hero-panel h2{
  font-size:16px;
  font-weight:700;
  letter-spacing:.01em;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.hero-panel h2 span{
  font-family:var(--font-num);
  font-size:12px;
  color:var(--accent);
  letter-spacing:.08em;
}
.match-list{margin-top:18px;display:flex;flex-direction:column;}
.match-item{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:13px 0;
  border-bottom:1px solid rgba(255,255,255,.12);
  font-size:14px;
}
.match-item:last-child{border-bottom:0;}
.match-item .m-left{color:rgba(255,255,255,.86);}
.match-time{
  font-family:var(--font-num);
  font-size:14px;
  color:var(--accent);
  letter-spacing:.05em;
}

/* ---------- section base ---------- */
.section{padding:var(--sec-pad) 0;}
.section.alt{background:var(--surface);}
.section.dark{background:var(--deep);color:#fff;}
.section-head{margin-bottom:44px;max-width:760px;}
.sec-line{width:48px;height:4px;border-radius:2px;background:var(--primary);margin-bottom:18px;}
.section.dark .sec-line{background:var(--accent);}
.section-head h2{font-size:clamp(24px,3vw,34px);}
.section-head p{margin-top:14px;font-size:16px;color:var(--text-2);}
.section.dark .section-head p{color:rgba(255,255,255,.7);}
.sec-foot{margin-top:34px;display:flex;justify-content:flex-start;}

/* ---------- ladder ---------- */
.ladder{display:flex;flex-direction:column;gap:20px;}
.ladder-item{
  display:grid;
  grid-template-columns:1.4fr 1fr auto;
  align-items:center;
  gap:26px;
  padding:28px 30px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  transition:transform .28s cubic-bezier(.22,.61,.36,1),box-shadow .28s ease,border-color .28s ease;
}
.ladder-item:hover{transform:translateY(-2px);border-color:var(--primary);box-shadow:var(--sh-hover);}
.ladder-item:nth-child(2){margin-left:56px;}
.ladder-item:nth-child(3){margin-left:112px;background:var(--primary);color:#fff;border-color:var(--primary);}
.ladder-item:nth-child(3) .ladder-desc,
.ladder-item:nth-child(3) .ladder-meta{color:rgba(255,255,255,.74);}
.ladder-tier{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-num);
  font-size:12px;
  letter-spacing:.14em;
  color:var(--text-3);
  margin-bottom:10px;
}
.ladder-item:nth-child(3) .ladder-tier{color:var(--accent);}
.ladder-title{font-size:20px;font-weight:800;}
.ladder-desc{margin-top:8px;font-size:14px;color:var(--text-2);}
.ladder-meta{font-size:14px;color:var(--text-2);}
.ladder-meta b{font-family:var(--font-num);font-size:22px;color:var(--primary);margin-right:4px;}
.ladder-item:nth-child(3) .ladder-meta b{color:var(--accent);}

/* ---------- matrix ---------- */
.matrix-wrap{
  overflow-x:auto;
  -webkit-overflow-scrolling:touch;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--white);
  box-shadow:var(--sh-1);
}
table.matrix{
  width:100%;
  min-width:760px;
  border-collapse:collapse;
  font-size:15px;
}
table.matrix th,
table.matrix td{
  padding:18px 22px;
  border-bottom:1px solid var(--line);
  text-align:left;
  vertical-align:middle;
}
table.matrix thead th{
  position:sticky;
  top:0;
  z-index:2;
  background:var(--white);
  font-size:14px;
  letter-spacing:.02em;
  color:var(--text-2);
  font-weight:700;
  border-bottom:1px solid var(--line);
}
table.matrix tbody th{
  position:sticky;
  left:0;
  z-index:1;
  background:var(--white);
  font-weight:600;
  color:var(--text);
  min-width:150px;
}
table.matrix tbody tr:last-child th,
table.matrix tbody tr:last-child td{border-bottom:0;}
.col-rec{background:rgba(18,59,50,.05);}
thead th.col-rec{background:#EAEFE9;}
.cell-num{font-family:var(--font-num);font-size:17px;text-align:right;color:var(--primary);}
th.cell-num{color:var(--primary);}
.badge-rec{
  display:inline-block;
  margin-left:8px;
  padding:2px 10px;
  border-radius:var(--r-pill);
  background:var(--accent);
  color:var(--deep);
  font-size:11px;
  font-weight:700;
  letter-spacing:.04em;
  vertical-align:middle;
}
.matrix-note{margin-top:14px;font-size:13px;color:var(--text-3);}

/* ---------- flash bar ---------- */
.flashbar{
  background:var(--alert);
  color:#fff;
  border-radius:var(--r-card);
  padding:22px 28px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  box-shadow:0 18px 40px -24px rgba(228,87,46,.7);
}
.flashbar-text{font-size:15px;line-height:1.7;}
.flashbar-text strong{display:block;font-size:18px;font-weight:800;margin-bottom:4px;}
.flash-left{display:flex;align-items:center;gap:22px;flex-wrap:wrap;}
.countdown{display:flex;align-items:center;gap:6px;}
.countdown .cd-num{
  font-family:var(--font-num);
  font-size:24px;
  letter-spacing:.04em;
  background:rgba(0,0,0,.18);
  border-radius:8px;
  padding:2px 10px;
  min-width:44px;
  text-align:center;
}
.countdown .cd-num.pulse{animation:cdPulse 1s steps(1,end) infinite;}
@keyframes cdPulse{50%{opacity:.5;}}
.flashbar .btn-rest{
  background:#fff;
  color:var(--alert);
  border-color:#fff;
}
.flashbar .btn-rest:hover{background:var(--deep);color:#fff;border-color:var(--deep);}
.flash-fallback{display:none;font-size:15px;font-weight:600;}

/* ---------- service points ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.split.reverse .split-media{order:2;}
.split-media img{aspect-ratio:16/10;object-fit:cover;width:100%;}
.split-body h3{font-size:24px;margin-bottom:14px;}
.split-body p{color:var(--text-2);font-size:16px;}
.point-list{margin-top:22px;display:flex;flex-direction:column;gap:14px;}
.point-list li{
  position:relative;
  padding-left:26px;
  font-size:15px;
  color:var(--text-2);
}
.point-list li::before{
  content:"";
  position:absolute;
  left:0;top:11px;
  width:10px;height:2px;
  background:var(--accent);
  border-radius:2px;
}
.point-list li b{color:var(--text);font-weight:700;}

/* ---------- news ---------- */
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px;}
.news-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:32px;align-items:start;}
.news-lead{
  display:block;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .28s cubic-bezier(.22,.61,.36,1),box-shadow .28s ease,border-color .28s ease;
}
.news-lead:hover{transform:translateY(-2px);border-color:var(--primary);box-shadow:var(--sh-hover);}
.news-lead .thumb{overflow:hidden;border-radius:0;}
.news-lead .thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0;transition:transform .5s ease;}
.news-lead:hover .thumb img{transform:scale(1.03);}
.news-lead .body{padding:24px 26px 26px;}
.tag{
  display:inline-block;
  padding:3px 12px;
  border-radius:var(--r-pill);
  background:var(--primary-soft);
  color:var(--primary);
  font-size:12px;
  letter-spacing:.06em;
  font-weight:600;
}
.tag-alert{background:rgba(228,87,46,.1);color:var(--alert);border:1px solid rgba(228,87,46,.35);}
.news-lead h3{margin-top:14px;font-size:22px;}
.news-lead h3 a:hover{color:var(--primary);}
.news-lead .excerpt{
  margin-top:12px;
  font-size:15px;
  color:var(--text-2);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.meta{margin-top:16px;font-size:13px;color:var(--text-3);display:flex;gap:12px;flex-wrap:wrap;}
.meta .dot{color:var(--line);}
.news-list{display:flex;flex-direction:column;}
.news-item{
  display:grid;
  grid-template-columns:112px 1fr;
  gap:18px;
  padding:18px 0;
  border-bottom:1px solid var(--line);
  align-items:center;
}
.news-item:first-child{padding-top:0;}
.news-item:last-child{border-bottom:0;}
.news-item .thumb{overflow:hidden;border-radius:12px;}
.news-item .thumb img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:12px;transition:transform .5s ease;}
.news-item:hover .thumb img{transform:scale(1.03);}
.news-item h4{font-size:16px;font-weight:700;line-height:1.5;}
.news-item:hover h4{color:var(--primary);}
.news-item .meta{margin-top:8px;}
.empty-state{
  grid-column:1 / -1;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:14px;
  padding:56px 24px;
  border:1px dashed var(--line);
  border-radius:var(--r-card);
  background:var(--white);
  text-align:center;
  color:var(--text-3);
  font-size:15px;
}

/* ---------- proof ---------- */
.proof-bar{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  margin-bottom:44px;
}
.proof-cell{background:var(--white);padding:26px 24px;}
.proof-cell .num{font-size:30px;color:var(--primary);display:block;}
.proof-cell span.label{display:block;margin-top:6px;font-size:13px;color:var(--text-3);}
.quote-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;}
.quote{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:28px;
  box-shadow:var(--sh-1);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.quote:hover{transform:translateY(-2px);border-color:var(--primary);box-shadow:var(--sh-hover);}
.quote p{font-size:16px;color:var(--text);}
.quote .who{margin-top:18px;font-size:13px;color:var(--text-3);}
.quote .who b{color:var(--primary);font-weight:700;}

/* ---------- faq ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:880px;}
.faq-item{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  transition:border-color .28s ease,box-shadow .28s ease;
}
.faq-item.open{border-color:var(--primary);box-shadow:var(--sh-1);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:22px 26px;
  background:transparent;
  border:0;
  cursor:pointer;
  text-align:left;
  font-size:16px;
  font-weight:700;
  color:var(--text);
  position:relative;
}
.faq-q::before{
  content:"";
  position:absolute;
  left:0;top:14px;bottom:14px;
  width:2px;
  background:var(--primary);
  opacity:0;
  transition:opacity .26s ease;
}
.faq-item.open .faq-q::before{opacity:1;}
.faq-icon{
  flex:0 0 auto;
  width:24px;height:24px;
  position:relative;
  transition:transform .26s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--primary);
  border-radius:2px;
}
.faq-icon::before{left:11px;top:3px;width:2px;height:18px;}
.faq-icon::after{left:3px;top:11px;width:18px;height:2px;}
.faq-item.open .faq-icon{transform:rotate(45deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .26s ease;
}
.faq-a .inner{
  padding:0 26px 24px;
  font-size:15px;
  color:var(--text-2);
}

/* ---------- form ---------- */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start;}
.contact-info h2{font-size:clamp(24px,3vw,32px);}
.contact-info p{margin-top:16px;color:var(--text-2);font-size:16px;}
.contact-facts{margin-top:28px;display:flex;flex-direction:column;gap:16px;}
.contact-facts li{
  display:flex;
  gap:14px;
  align-items:flex-start;
  font-size:15px;
  color:var(--text-2);
}
.contact-facts b{display:block;color:var(--text);font-weight:700;font-size:15px;}
.form-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:30px;
  box-shadow:var(--sh-1);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{margin-bottom:20px;}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;}
.field .req{color:var(--alert);margin-left:4px;}
.field input[type="text"],
.field textarea{
  width:100%;
  border:1px solid var(--line);
  border-radius:var(--r-input);
  padding:12px 14px;
  font-size:15px;
  background:#fff;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{min-height:106px;resize:vertical;line-height:1.7;}
.field input:focus,.field textarea:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 4px rgba(18,59,50,.12);
}
.chip-group{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  display:inline-flex;
  align-items:center;
  padding:9px 18px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  font-size:14px;
  color:var(--text-2);
  cursor:pointer;
  background:#fff;
  transition:all .2s ease;
}
.chip:hover{border-color:var(--primary);color:var(--primary);}
.chip input{position:absolute;opacity:0;width:0;height:0;}
.chip:has(input:checked){
  background:var(--primary-soft);
  border-color:var(--primary);
  color:var(--primary);
  font-weight:600;
}
.check-line{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--text-3);line-height:1.7;}
.check-line input{margin-top:5px;accent-color:var(--primary);width:16px;height:16px;}
.form-msg{
  margin-top:16px;
  display:none;
  padding:12px 16px;
  border-radius:var(--r-input);
  font-size:14px;
  background:var(--primary-soft);
  color:var(--primary);
  border:1px solid rgba(18,59,50,.25);
}
.form-msg.show{display:block;}

/* ---------- footer ---------- */
.site-footer{
  background:var(--deep);
  color:rgba(255,255,255,.72);
  padding:72px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:36px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-weight:900;
  font-size:17px;
  letter-spacing:-.02em;
}
.footer-brand .logo-mark{background:var(--primary);color:var(--accent);}
.site-footer p.brand-desc{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:320px;}
.footer-col h4{font-size:14px;color:#fff;letter-spacing:.06em;margin-bottom:16px;font-weight:700;}
.footer-col li{margin-bottom:11px;font-size:14px;}
.footer-col a{color:rgba(255,255,255,.7);transition:color .2s ease;}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{
  margin-top:54px;
  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:rgba(255,255,255,.5);
}

/* ---------- mobile tabs ---------- */
.mobile-tabs{
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:70;
  display:none;
  background:rgba(250,248,244,.97);
  backdrop-filter:blur(14px);
  border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
}
.tab-item{
  flex:1;
  position:relative;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:4px;
  padding:9px 0 7px;
  font-size:12px;
  color:var(--text-3);
  transition:color .2s ease;
}
.tab-item svg{width:20px;height:20px;}
.tab-item.active{color:var(--primary);font-weight:600;}
.tab-item.active::before{
  content:"";
  position:absolute;
  top:0;
  width:26px;height:2px;
  border-radius:2px;
  background:var(--accent);
}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .55s cubic-bezier(.22,.61,.36,1),transform .55s cubic-bezier(.22,.61,.36,1);}
.reveal.in{opacity:1;transform:none;}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  :root{--sec-pad:72px;}
  .container{padding:0 24px;}
  .nav-menu{display:none;}
  .nav-toggle{display:flex;}
  .hero-inner{grid-template-columns:1fr;gap:40px;}
  .hero-panel{max-width:560px;}
  .split{grid-template-columns:1fr;gap:32px;}
  .split.reverse .split-media{order:0;}
  .news-grid{grid-template-columns:1fr;gap:28px;}
  .quote-grid{grid-template-columns:1fr;gap:20px;}
  .proof-bar{grid-template-columns:1fr 1fr;}
  .contact-grid{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .ladder-item:nth-child(2){margin-left:32px;}
  .ladder-item:nth-child(3){margin-left:64px;}
  .mobile-tabs{display:flex;}
  body{padding-bottom:72px;}
}
@media (max-width:767px){
  :root{--sec-pad:56px;--nav-h:64px;}
  .container{padding:0 20px;}
  body{font-size:15px;}
  .hero{padding:52px 0 48px;}
  .hero-stats{grid-template-columns:1fr 1fr;gap:18px;}
  .hero-actions .btn{flex:1 1 100%;}
  .ladder-item{
    grid-template-columns:1fr;
    gap:14px;
    padding:22px;
  }
  .ladder-item:nth-child(2),
  .ladder-item:nth-child(3){margin-left:0;}
  .ladder-item:nth-child(3){box-shadow:none;}
  .proof-bar{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .form-row{grid-template-columns:1fr;}
  .form-card{padding:22px;}
  .flashbar{padding:20px;}
  .flash-left{width:100%;}
  .flashbar .btn{width:100%;}
  .news-item{grid-template-columns:96px 1fr;gap:14px;}
  .logo{font-size:15px;}
}
@media (max-width:400px){
  .footer-grid{grid-template-columns:1fr;}
  .hero-stats{grid-template-columns:1fr;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition-duration:.01ms !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
:root{
  --brand:#123B32;
  --brand-dark:#0B1F1B;
  --brand-soft:#1B5147;
  --accent:#B8E62E;
  --accent-2:#E4572E;
  --bg:#FAF8F4;
  --surface:#F2EFE8;
  --line:#DCD6C9;
  --text:#16191A;
  --text-2:#5A6159;
  --text-3:#8C9187;
  --white:#FFFFFF;
  --radius-card:16px;
  --radius-btn:12px;
  --radius-input:12px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(11,31,27,.06);
  --shadow-2:0 12px 32px -16px rgba(11,31,27,.18);
  --shadow-3:0 20px 44px -22px rgba(11,31,27,.28);
  --container:1200px;
  --section-y:110px;
  --font-mono:"DIN Alternate","SF Mono",ui-monospace,"Roboto Mono",Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","MiSans","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  letter-spacing:0;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.015em;line-height:1.25;color:var(--text);}
p{margin:0;}
button{font-family:inherit;}
input,textarea,select{font-family:inherit;font-size:16px;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;}
::selection{background:var(--accent);color:var(--brand-dark);}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}

/* ---------- header ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:80;
  background:rgba(250,248,244,.92);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  display:flex;
  align-items:center;
  gap:28px;
  min-height:72px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:900;
  font-size:17px;
  letter-spacing:-.02em;
  color:var(--brand-dark);
  flex:0 0 auto;
  transition:opacity .25s ease;
}
.logo:hover{opacity:.82;}
.logo-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:36px;height:36px;
  border-radius:10px;
  background:var(--brand);
  color:var(--accent);
  font-family:var(--font-mono);
  font-size:14px;
  font-weight:700;
  letter-spacing:.02em;
}
.nav-menu{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:10px 14px;
  border-radius:var(--radius-pill);
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  transition:color .28s ease,background-color .28s ease;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:4px;
  height:2px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .38s cubic-bezier(.22,.61,.36,1);
}
.nav-link:hover{color:var(--brand);background:var(--surface);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--brand);font-weight:700;}
.nav-link.active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  background:var(--white);
  cursor:pointer;
  position:relative;
  transition:border-color .28s ease,background-color .28s ease;
}
.nav-toggle:hover{border-color:var(--brand);}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  position:absolute;
  left:50%;
  width:18px;height:2px;
  background:var(--brand);
  border-radius:2px;
  content:"";
  transition:transform .3s ease;
}
.nav-toggle span{top:50%;transform:translate(-50%,-50%);}
.nav-toggle span::before{top:-6px;left:0;}
.nav-toggle span::after{top:6px;left:0;}

/* ---------- buttons ---------- */
.btn{
  position:relative;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 26px;
  border-radius:var(--radius-btn);
  border:1.5px solid transparent;
  font-size:15px;
  font-weight:700;
  letter-spacing:.01em;
  cursor:pointer;
  overflow:hidden;
  transition:color .32s ease,border-color .32s ease,transform .18s ease,box-shadow .32s ease,background-color .32s ease;
  z-index:0;
}
.btn::before{
  content:"";
  position:absolute;
  inset:0;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .42s cubic-bezier(.22,.61,.36,1);
  z-index:-1;
}
.btn:hover::before{transform:scaleX(1);}
.btn:active{transform:translateY(1px);}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{color:var(--brand-dark);box-shadow:var(--shadow-2);}
.btn-outline{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn-outline:hover{color:var(--brand-dark);border-color:var(--accent);}
.btn-light{background:var(--white);color:var(--brand);}
.btn-light:hover{color:var(--brand-dark);}
.btn-text{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:700;
  color:var(--brand);
  padding-bottom:2px;
}
.btn-text span{position:relative;display:inline-block;}
.btn-text span::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-2px;
  height:2px;
  background:var(--brand);
  transform:scaleX(.25);
  transform-origin:left;
  transition:transform .42s cubic-bezier(.22,.61,.36,1);
}
.btn-text:hover span::after{transform:scaleX(1);background:var(--accent);}

/* ---------- generic section ---------- */
.section{padding:var(--section-y) 0;}
.section-tight{padding:72px 0;}
.section-alt{background:var(--surface);}
.section-dark{background:var(--brand-dark);color:#DDE6E0;}
.section-dark h2,.section-dark h3{color:#fff;}
.sec-head{max-width:760px;margin-bottom:56px;}
.sec-head::before{
  content:"";
  display:block;
  width:52px;height:4px;
  border-radius:2px;
  background:var(--brand);
  margin-bottom:22px;
}
.section-dark .sec-head::before{background:var(--accent);}
.eyebrow{
  display:inline-block;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--text-3);
  margin-bottom:12px;
}
.section-dark .eyebrow{color:#8FA79C;}
.sec-head h2{font-size:34px;margin-bottom:16px;}
.sec-head p{color:var(--text-2);font-size:16.5px;}
.section-dark .sec-head p{color:#A8BAB1;}

/* ---------- hero ---------- */
.page-hero{
  position:relative;
  margin-top:72px;
  padding:96px 0 72px;
  background:var(--brand-dark);
  color:#fff;
  overflow:hidden;
}
.page-hero-bg{
  position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  opacity:.42;
}
.page-hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(118deg,rgba(11,31,27,.94) 0%,rgba(18,59,50,.78) 48%,rgba(11,31,27,.9) 100%);
}
.page-hero-inner{position:relative;z-index:2;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;
  color:#9DB1A7;
  margin-bottom:26px;
}
.breadcrumb a{color:#C8D7CF;transition:color .25s ease;}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb .sep{color:#5E7669;}
.breadcrumb .current{color:#fff;font-weight:700;}
.hero-tag{
  display:inline-block;
  padding:6px 14px;
  border-radius:var(--radius-pill);
  border:1px solid rgba(184,230,46,.55);
  color:var(--accent);
  font-size:12.5px;
  letter-spacing:.12em;
  margin-bottom:20px;
}
.page-hero h1{
  color:#fff;
  font-size:clamp(30px,4vw,50px);
  line-height:1.2;
  max-width:900px;
  margin-bottom:20px;
}
.page-hero .hero-lead{
  max-width:660px;
  font-size:17px;
  color:#C2D2C9;
  margin-bottom:38px;
}
.anchor-nav{
  display:flex;flex-wrap:wrap;gap:10px;
  padding-top:30px;
  border-top:1px solid rgba(255,255,255,.14);
}
.anchor-nav a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:9px 18px;
  border-radius:var(--radius-pill);
  border:1px solid rgba(255,255,255,.22);
  font-size:14px;
  color:#DCE6E0;
  transition:background-color .28s ease,color .28s ease,border-color .28s ease;
}
.anchor-nav a:hover{background:var(--accent);color:var(--brand-dark);border-color:var(--accent);}
.anchor-nav a i{
  font-style:normal;
  font-family:var(--font-mono);
  font-size:12px;
  opacity:.7;
}

/* ---------- stats ---------- */
.stat-row{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:0;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.stat-item{
  padding:40px 32px;
  border-right:1px solid var(--line);
}
.stat-item:last-child{border-right:none;}
.stat-num{
  font-family:var(--font-mono);
  font-size:clamp(34px,4.2vw,52px);
  font-weight:700;
  line-height:1;
  color:var(--brand);
  letter-spacing:-.02em;
}
.stat-num em{font-style:normal;font-size:.5em;color:var(--text-3);margin-left:4px;}
.stat-label{font-size:15px;font-weight:700;margin-top:14px;}
.stat-desc{font-size:14px;color:var(--text-2);margin-top:6px;}

/* ---------- feature rows ---------- */
.feature-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:64px;
  align-items:center;
}
.feature-row + .feature-row{margin-top:88px;}
.feature-row.reverse .feature-media{order:2;}
.feature-media{
  position:relative;
  border-radius:var(--radius-card);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--surface);
  aspect-ratio:16/10;
  box-shadow:var(--shadow-2);
}
.feature-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .5s cubic-bezier(.22,.61,.36,1);
}
.feature-media:hover img{transform:scale(1.03);}
.feature-media .media-badge{
  position:absolute;
  left:18px;top:18px;
  padding:6px 14px;
  border-radius:var(--radius-pill);
  background:rgba(11,31,27,.78);
  color:var(--accent);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  backdrop-filter:blur(6px);
}
.feature-body h3{font-size:26px;margin-bottom:16px;}
.feature-body p{color:var(--text-2);margin-bottom:22px;}
.check-list{display:grid;gap:12px;}
.check-list li{
  position:relative;
  padding-left:30px;
  font-size:15.5px;
  color:var(--text-2);
}
.check-list li::before{
  content:"";
  position:absolute;
  left:0;top:11px;
  width:16px;height:2px;
  background:var(--accent);
  box-shadow:0 0 0 1px rgba(18,59,50,.12);
}

/* ---------- spec list ---------- */
.spec-layout{
  display:grid;
  grid-template-columns:340px 1fr;
  gap:72px;
  align-items:start;
}
.spec-aside{position:sticky;top:110px;}
.spec-aside h2{font-size:30px;margin-bottom:18px;}
.spec-aside p{color:var(--text-2);margin-bottom:26px;}
.spec-note{
  padding:20px 22px;
  background:var(--surface);
  border-left:3px solid var(--brand);
  border-radius:0 var(--radius-btn) var(--radius-btn) 0;
  font-size:14.5px;
  color:var(--text-2);
}
.spec-list{border-top:1px solid var(--line);}
.spec-item{
  display:grid;
  grid-template-columns:170px 1fr;
  gap:28px;
  padding:22px 0;
  border-bottom:1px solid var(--line);
  transition:background-color .28s ease,padding-left .28s ease;
}
.spec-item:hover{background:var(--surface);padding-left:14px;}
.spec-key{
  font-size:14.5px;
  font-weight:700;
  color:var(--brand);
  letter-spacing:.02em;
}
.spec-val{font-size:15.5px;color:var(--text-2);}
.spec-val strong{color:var(--text);font-family:var(--font-mono);font-weight:700;}

/* ---------- dark assurance ---------- */
.assure-wrap{
  display:grid;
  grid-template-columns:1fr 1.15fr;
  gap:72px;
  align-items:start;
}
.assure-list{display:grid;gap:0;}
.assure-item{
  display:grid;
  grid-template-columns:64px 1fr;
  gap:22px;
  padding:26px 0;
  border-top:1px solid rgba(255,255,255,.12);
  transition:border-color .3s ease;
}
.assure-item:last-child{border-bottom:1px solid rgba(255,255,255,.12);}
.assure-item:hover{border-color:rgba(184,230,46,.5);}
.assure-index{
  font-family:var(--font-mono);
  font-size:22px;
  font-weight:700;
  color:var(--accent);
  line-height:1.2;
}
.assure-item h3{font-size:19px;margin-bottom:8px;}
.assure-item p{color:#A8BAB1;font-size:15px;}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:24px 0;
  background:none;
  border:none;
  text-align:left;
  font-size:17px;
  font-weight:700;
  color:var(--text);
  cursor:pointer;
  position:relative;
  transition:color .28s ease;
}
.faq-q::before{
  content:"";
  position:absolute;
  left:-20px;top:24px;bottom:24px;
  width:2px;
  background:var(--brand);
  transform:scaleY(0);
  transform-origin:top;
  transition:transform .26s ease;
}
.faq-item.open .faq-q::before{transform:scaleY(1);}
.faq-q:hover{color:var(--brand);}
.faq-icon{
  flex:0 0 auto;
  position:relative;
  width:20px;height:20px;
  transition:transform .26s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--brand);
  border-radius:2px;
}
.faq-icon::before{left:0;top:9px;width:20px;height:2px;}
.faq-icon::after{left:9px;top:0;width:2px;height:20px;}
.faq-item.open .faq-icon{transform:rotate(45deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .26s ease;
}
.faq-a p{
  padding:0 40px 26px 0;
  color:var(--text-2);
  font-size:15.5px;
}

/* ---------- CTA ---------- */
.cta-band{
  background:linear-gradient(120deg,var(--brand-dark) 0%,var(--brand) 62%,var(--brand-soft) 100%);
  color:#fff;
  border-radius:var(--radius-card);
  padding:64px 56px;
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:56px;
  align-items:center;
  box-shadow:var(--shadow-2);
}
.cta-band h2{color:#fff;font-size:32px;margin-bottom:16px;}
.cta-band p{color:#C2D2C9;font-size:16px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.cta-card{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.18);
  border-radius:var(--radius-card);
  padding:28px;
}
.cta-card h3{font-size:18px;margin-bottom:18px;color:#fff;}
.cta-card ul{display:grid;gap:14px;}
.cta-card li{
  display:flex;
  justify-content:space-between;
  gap:16px;
  font-size:14.5px;
  padding-bottom:14px;
  border-bottom:1px dashed rgba(255,255,255,.16);
  color:#B9CAC1;
}
.cta-card li:last-child{border-bottom:none;padding-bottom:0;}
.cta-card li strong{color:var(--accent);font-family:var(--font-mono);font-weight:700;}

/* ---------- footer ---------- */
.site-footer{
  background:var(--brand-dark);
  color:#A8BAB1;
  padding:80px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:48px;
  padding-bottom:56px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-weight:900;
  font-size:17px;
  letter-spacing:-.02em;
  margin-bottom:18px;
}
.brand-desc{font-size:14.5px;color:#8FA79C;max-width:360px;}
.footer-col h4{
  color:#fff;
  font-size:15px;
  margin-bottom:20px;
  letter-spacing:.02em;
}
.footer-col ul{display:grid;gap:12px;}
.footer-col a{
  font-size:14.5px;
  color:#A8BAB1;
  transition:color .26s ease,padding-left .26s ease;
}
.footer-col a:hover{color:var(--accent);padding-left:4px;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  padding:24px 0 32px;
  font-size:13.5px;
  color:#7C9187;
}

/* ---------- mobile tabs ---------- */
.mobile-tabs{
  display:none;
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:90;
  background:rgba(250,248,244,.97);
  backdrop-filter:blur(14px);
  border-top:1px solid var(--line);
  padding:8px 8px calc(8px + env(safe-area-inset-bottom));
  grid-template-columns:repeat(4,1fr);
}
.tab-item{
  position:relative;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:4px;
  padding:8px 4px 6px;
  font-size:11.5px;
  color:var(--text-3);
  border-radius:10px;
  transition:color .26s ease;
}
.tab-item svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.7;}
.tab-item::before{
  content:"";
  position:absolute;
  top:-9px;left:50%;
  width:26px;height:2px;
  border-radius:2px;
  background:var(--accent);
  transform:translateX(-50%) scaleX(0);
  transition:transform .3s ease;
}
.tab-item.active{color:var(--brand);font-weight:700;}
.tab-item.active::before{transform:translateX(-50%) scaleX(1);}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .55s cubic-bezier(.22,.61,.36,1),transform .55s cubic-bezier(.22,.61,.36,1);}
.reveal.is-visible{opacity:1;transform:translateY(0);}
.reveal.d1{transition-delay:.06s;}
.reveal.d2{transition-delay:.12s;}
.reveal.d3{transition-delay:.18s;}

/* ---------- responsive ---------- */
@media (max-width:1439px){
  .container{padding:0 32px;}
}
@media (max-width:1023px){
  :root{--section-y:80px;}
  .nav-menu{display:none;}
  .nav-toggle{display:inline-block;}
  .nav-actions{margin-left:auto;}
  .mobile-tabs{display:grid;}
  body{padding-bottom:72px;}
  .stat-row{grid-template-columns:1fr;border-bottom:none;}
  .stat-item{border-right:none;border-bottom:1px solid var(--line);padding:28px 24px;}
  .feature-row{grid-template-columns:1fr;gap:32px;}
  .feature-row.reverse .feature-media{order:0;}
  .feature-row + .feature-row{margin-top:64px;}
  .spec-layout{grid-template-columns:1fr;gap:40px;}
  .spec-aside{position:static;}
  .assure-wrap{grid-template-columns:1fr;gap:40px;}
  .cta-band{grid-template-columns:1fr;padding:44px 32px;gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px;}
}
@media (max-width:767px){
  :root{--section-y:64px;}
  .container{padding:0 20px;}
  .site-header .container{padding:0 20px;}
  .nav-inner{min-height:64px;gap:14px;}
  .logo{font-size:15.5px;}
  .logo-mark{width:32px;height:32px;font-size:12.5px;}
  .page-hero{margin-top:64px;padding:64px 0 52px;}
  .page-hero h1{font-size:30px;}
  .page-hero .hero-lead{font-size:15.5px;}
  .anchor-nav{padding-top:24px;gap:8px;}
  .anchor-nav a{padding:8px 14px;font-size:13px;}
  .sec-head{margin-bottom:36px;}
  .sec-head h2{font-size:26px;}
  .stat-num{font-size:38px;}
  .feature-body h3{font-size:21px;}
  .spec-item{grid-template-columns:1fr;gap:8px;padding:18px 0;}
  .assure-item{grid-template-columns:48px 1fr;gap:16px;padding:22px 0;}
  .faq-q{font-size:16px;padding:20px 0;}
  .faq-q::before{left:-12px;}
  .faq-a p{padding-right:20px;}
  .cta-band{padding:36px 24px;border-radius:14px;}
  .cta-band h2{font-size:24px;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding-bottom:40px;}
  .brand-desc{max-width:none;}
  .footer-bottom{font-size:12.5px;}
}
@media (max-width:479px){
  .footer-grid{grid-template-columns:1fr;}
  .stat-item{padding:24px 20px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    transition-duration:.12s !important;
  }
  .reveal{transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --c-primary:#123B32;
  --c-primary-deep:#0B1F1B;
  --c-lime:#B8E62E;
  --c-orange:#E4572E;
  --c-bg:#FAF8F4;
  --c-surface:#F2EFE8;
  --c-line:#DCD6C9;
  --c-text:#16191A;
  --c-text-2:#5A6159;
  --c-text-3:#8C9187;
  --r-card:16px;
  --r-btn:12px;
  --r-pill:999px;
  --r-input:12px;
  --sh-1:0 1px 2px rgba(11,31,27,.06);
  --sh-2:0 12px 32px -16px rgba(11,31,27,.18);
  --sh-3:0 18px 44px -18px rgba(11,31,27,.26);
  --sp-section:112px;
  --font-sans:"Noto Sans SC","MiSans","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"DIN Alternate","SFMono-Regular",ui-monospace,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  padding-bottom:0;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .25s ease}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.26;letter-spacing:-.015em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
svg{display:block}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
@media (max-width:767px){.container{padding:0 20px}}

/* ===== 按钮 ===== */
.btn{
  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:700;border:1.5px solid transparent;
  cursor:pointer;white-space:nowrap;
  transition:background .3s cubic-bezier(.22,.61,.36,1),color .3s cubic-bezier(.22,.61,.36,1),transform .25s cubic-bezier(.22,.61,.36,1),border-color .3s ease,box-shadow .3s ease;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--c-primary-deep);color:var(--c-lime);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-ghost{border-color:var(--c-primary);color:var(--c-primary);background:transparent}
.btn-ghost:hover{background:var(--c-primary);color:#fff;transform:translateY(-2px)}
.btn-lime{background:var(--c-lime);color:var(--c-primary-deep)}
.btn-lime:hover{background:#fff;color:var(--c-primary);transform:translateY(-2px)}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:10px}
.btn:active{transform:translateY(0)}
.btn[disabled]{opacity:.45;pointer-events:none}

/* ===== 头部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(250,248,244,.94);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--c-line);
}
.nav-inner{display:flex;align-items:center;gap:24px;height:72px}
.logo{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:900;letter-spacing:-.02em;white-space:nowrap;color:var(--c-text)}
.logo:hover{color:var(--c-primary)}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;background:var(--c-primary);
  color:#fff;font-size:13px;font-weight:900;letter-spacing:.02em;flex:none;
}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  padding:9px 15px;border-radius:var(--r-pill);font-size:15px;color:var(--c-text-2);
  position:relative;transition:color .25s ease,background .25s ease;
}
.nav-link:hover{color:var(--c-primary);background:var(--c-surface)}
.nav-link.active{color:var(--c-primary);font-weight:700;background:var(--c-surface)}
.nav-link::after{
  content:"";position:absolute;left:15px;right:15px;bottom:4px;height:2px;
  background:var(--c-lime);transform:scaleX(0);transform-origin:left;
  transition:transform .3s cubic-bezier(.22,.61,.36,1);border-radius:2px;
}
.nav-link:hover::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;width:42px;height:42px;padding:0;align-items:center;justify-content:center;
  border:1px solid var(--c-line);border-radius:12px;background:#fff;cursor:pointer;
  transition:border-color .25s ease,background .25s ease;
}
.nav-toggle:hover{border-color:var(--c-primary);background:var(--c-surface)}
.nav-toggle span{position:relative;display:block;width:17px;height:2px;background:var(--c-primary);border-radius:2px}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:17px;height:2px;background:var(--c-primary);border-radius:2px;
}
.nav-toggle span::before{top:-5px}
.nav-toggle span::after{top:5px}
@media (max-width:1023px){
  .nav-menu{display:none}
  .nav-toggle{display:inline-flex}
}

/* ===== 文章页头 ===== */
.article-hero{
  position:relative;
  padding:56px 0 68px;
  color:#fff;
  background-image:linear-gradient(180deg,rgba(11,31,27,.9),rgba(18,59,50,.86)),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.article-hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:88px;
  background:linear-gradient(180deg,rgba(250,248,244,0),rgba(250,248,244,.96));
  pointer-events:none;
}
.article-hero .container{position:relative;z-index:2}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.68);margin-bottom:20px;
}
.breadcrumb a{color:rgba(255,255,255,.82)}
.breadcrumb a:hover{color:var(--c-lime)}
.breadcrumb .sep{opacity:.45;font-size:12px}
.breadcrumb .current{
  max-width:min(46vw,420px);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  color:#fff;font-weight:700;
}
.article-hero h1{
  font-size:clamp(28px,3.6vw,50px);
  font-weight:900;
  letter-spacing:-.02em;
  max-width:960px;
  line-height:1.24;
  display:-webkit-box;
  -webkit-line-clamp:4;
  -webkit-box-orient:vertical;
  overflow:hidden;
  word-break:break-word;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  margin-top:22px;font-size:13.5px;color:rgba(255,255,255,.72);
}
.article-meta .meta-cat{
  display:inline-flex;align-items:center;height:26px;padding:0 13px;border-radius:var(--r-pill);
  background:rgba(184,230,46,.16);border:1px solid rgba(184,230,46,.45);
  color:var(--c-lime);font-size:12.5px;font-weight:700;letter-spacing:.02em;
}
.meta-dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.42);display:inline-block}

/* ===== 正文 ===== */
.article-section{padding:0 0 8px;background:var(--c-bg)}
.article-wrap{
  max-width:820px;margin:-34px auto 0;position:relative;z-index:3;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-2);
  padding:46px 52px 40px;
}
.article-body{font-size:16.5px;line-height:1.92;color:var(--c-text);word-break:break-word}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  font-size:26px;margin:1.7em 0 .72em;padding-left:18px;position:relative;font-weight:800;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.24em;bottom:.24em;width:4px;border-radius:4px;background:var(--c-primary);
}
.article-body h3{font-size:20px;margin:1.55em 0 .6em;font-weight:800}
.article-body h4{font-size:17.5px;margin:1.4em 0 .5em;font-weight:800;color:var(--c-text-2)}
.article-body ul{margin:0 0 1.3em}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:.55em}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:2px;background:var(--c-primary);
}
.article-body ol{margin:0 0 1.3em;padding-left:1.5em;list-style:decimal}
.article-body ol li{margin-bottom:.55em}
.article-body ol li::marker{color:var(--c-primary);font-weight:700}
.article-body blockquote{
  margin:1.7em 0;padding:18px 24px;border-left:3px solid var(--c-primary);
  background:var(--c-surface);border-radius:0 var(--r-card) var(--r-card) 0;
  color:var(--c-text-2);font-size:15.5px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-card);margin:1.6em 0;width:100%;object-fit:cover}
.article-body figure{margin:1.7em 0}
.article-body figure img{margin:0}
.article-body figcaption{text-align:center;font-size:13px;color:var(--c-text-3);margin-top:10px}
.article-body a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.article-body a:hover{color:var(--c-primary-deep);text-decoration-color:var(--c-lime)}
.article-body strong{font-weight:800}
.article-body hr{border:none;border-top:1px solid var(--c-line);margin:2.2em 0}
.article-body table{width:100%;border-collapse:collapse;margin:1.7em 0;font-size:15px}
.article-body th,.article-body td{border-bottom:1px solid var(--c-line);padding:12px 14px;text-align:left;vertical-align:top}
.article-body th{background:var(--c-surface);font-weight:700;white-space:nowrap}
.article-body tbody tr:hover{background:#FBF9F5}
.article-body pre{
  background:var(--c-primary-deep);color:#E6F3EC;padding:18px 20px;border-radius:var(--r-btn);
  overflow-x:auto;font-size:14px;line-height:1.7;margin:1.6em 0;
}
.article-body code{
  background:var(--c-surface);padding:2px 7px;border-radius:6px;
  font-family:var(--font-num);font-size:.92em;
}
.article-body pre code{background:none;padding:0;color:inherit}
.article-tags{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:40px;padding-top:26px;border-top:1px solid var(--c-line);
}
.article-tags .tag-label{font-size:12.5px;letter-spacing:.08em;color:var(--c-text-3);text-transform:uppercase}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--c-surface);color:var(--c-primary);font-size:13px;font-weight:700;
  transition:background .25s ease,color .25s ease,transform .25s ease;
}
.tag:hover{background:var(--c-primary);color:#fff;transform:translateY(-2px)}

/* ===== 空态 ===== */
.empty-state{
  text-align:center;padding:36px 20px 30px;
}
.empty-state svg{margin:0 auto 18px;color:var(--c-primary);opacity:.7}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{color:var(--c-text-2);font-size:15px;margin-bottom:22px}

/* ===== 板块标题 ===== */
.section-head{margin-bottom:36px}
.section-line{display:block;width:52px;height:4px;border-radius:4px;background:var(--c-primary);margin-bottom:18px}
.section-head h2{font-size:clamp(24px,2.6vw,32px);font-weight:900}
.section-head p{margin-top:10px;color:var(--c-text-2);font-size:15px}

/* ===== 相关推荐 ===== */
.related{padding:72px 0 88px;background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .35s cubic-bezier(.22,.61,.36,1),border-color .3s ease,box-shadow .35s ease;
}
.card:hover{transform:translateY(-2px);border-color:var(--c-primary);box-shadow:var(--sh-3)}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--c-surface)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.22,.61,.36,1)}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title{font-size:17.5px;font-weight:800;line-height:1.45;transition:color .25s ease}
.card:hover .card-title{color:var(--c-primary)}
.card-text{font-size:14.5px;color:var(--c-text-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--c-text-3)}

/* ===== 咨询 CTA ===== */
.article-cta{padding:88px 0;background:var(--c-bg)}
.cta-panel{
  position:relative;overflow:hidden;
  background:var(--c-primary-deep);
  border-radius:24px;
  padding:52px 56px;
  display:grid;grid-template-columns:1.35fr .9fr;gap:40px;align-items:center;
  box-shadow:var(--sh-2);
}
.cta-panel::before{
  content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(184,230,46,.22),rgba(184,230,46,0) 70%);
}
.cta-panel h2{color:#fff;font-size:clamp(22px,2.4vw,30px);font-weight:900;letter-spacing:-.02em}
.cta-panel p{color:rgba(255,255,255,.74);margin-top:14px;font-size:15.5px;line-height:1.85}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;position:relative;z-index:2}
.cta-note{margin-top:16px;font-size:13px;color:rgba(255,255,255,.55);text-align:right}

/* ===== 页脚 ===== */
.site-footer{background:var(--c-primary-deep);color:rgba(255,255,255,.72);padding:72px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16.5px;font-weight:900;color:#fff;letter-spacing:-.01em}
.brand-desc{margin-top:16px;font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.6);max-width:340px}
.footer-col h4{font-size:13px;letter-spacing:.1em;color:var(--c-lime);font-weight:700;margin-bottom:18px;text-transform:uppercase}
.footer-col ul li{margin-bottom:11px}
.footer-col ul li a{font-size:14.5px;color:rgba(255,255,255,.72);transition:color .25s ease,padding-left .25s ease}
.footer-col ul li a:hover{color:#fff;padding-left:4px}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ===== 移动底部 Tab ===== */
.mobile-tabbar{
  display:none;
  position:fixed;left:0;right:0;bottom:0;z-index:80;
  background:rgba(250,248,244,.97);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-top:1px solid var(--c-line);
  padding-bottom:env(safe-area-inset-bottom);
}
.mobile-tabbar .tab-inner{display:grid;grid-template-columns:repeat(4,1fr)}
.tab-item{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  padding:10px 4px 9px;font-size:11.5px;color:var(--c-text-3);position:relative;
  transition:color .25s ease;
}
.tab-item svg{width:21px;height:21px}
.tab-item::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%) scaleX(0);
  width:26px;height:2px;background:var(--c-primary);border-radius:0 0 3px 3px;
  transition:transform .28s cubic-bezier(.22,.61,.36,1);
}
.tab-item:hover,.tab-item.active{color:var(--c-primary)}
.tab-item.active::after,.tab-item:hover::after{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:26px;height:2px;background:var(--c-primary);border-radius:0 0 3px 3px;
}
@media (max-width:1023px){
  .mobile-tabbar{display:block}
  body{padding-bottom:74px}
}

/* ===== 入场动效 ===== */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .55s cubic-bezier(.22,.61,.36,1),transform .55s cubic-bezier(.22,.61,.36,1)}
.reveal.is-visible{opacity:1;transform:translateY(0)}
@media (prefers-reduced-motion:reduce){
  .reveal{transform:none;transition:opacity .4s ease}
  *{scroll-behavior:auto !important}
}

/* ===== 响应式 ===== */
@media (max-width:1023px){
  :root{--sp-section:76px}
  .article-wrap{margin-top:-26px;padding:36px 34px 34px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-panel{grid-template-columns:1fr;padding:42px 36px;gap:28px}
  .cta-actions{justify-content:flex-start}
  .cta-note{text-align:left}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  body{font-size:16px}
  .nav-inner{height:64px;gap:14px}
  .logo{font-size:15.5px}
  .logo-mark{width:30px;height:30px;font-size:12px}
  .article-hero{padding:36px 0 54px}
  .article-hero h1{font-size:30px;line-height:1.3;-webkit-line-clamp:5}
  .breadcrumb .current{max-width:60vw}
  .article-wrap{margin-top:-20px;padding:26px 20px 24px;border-radius:14px}
  .article-body{font-size:16px;line-height:1.88}
  .article-body h2{font-size:22px;padding-left:14px}
  .article-body h3{font-size:18.5px}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap}
  .card-grid{grid-template-columns:1fr;gap:18px}
  .related{padding:56px 0 64px}
  .article-cta{padding:56px 0}
  .cta-panel{padding:32px 22px;border-radius:18px}
  .cta-actions{flex-direction:column;align-items:stretch}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .footer-brand{font-size:15px}
  .brand-desc{font-size:14px}
  .site-footer{padding:52px 0 22px}
  .footer-bottom{flex-direction:column;align-items:flex-start;font-size:12.5px}
}
@media (max-width:520px){
  .footer-grid{grid-template-columns:1fr}
  .article-hero h1{font-size:26px}
}
@media (min-width:1440px){
  .container{max-width:1200px}
}

/* roulang page: category2 */
/* ============ 设计变量 ============ */
:root{
  --primary:#123B32;
  --primary-soft:#1B4F44;
  --ink:#0B1F1B;
  --accent:#B8E62E;
  --accent-2:#E4572E;
  --bg:#FAF8F4;
  --surface:#F2EFE8;
  --line:#DCD6C9;
  --text:#16191A;
  --text-2:#5A6159;
  --text-3:#8C9187;
  --white:#FFFFFF;

  --r-card:16px;
  --r-btn:12px;
  --r-pill:999px;
  --r-input:12px;

  --shadow-1:0 1px 2px rgba(11,31,27,.06);
  --shadow-2:0 12px 32px -16px rgba(11,31,27,.18);
  --shadow-3:0 18px 44px -20px rgba(11,31,27,.28);

  --container:1200px;
  --gap:24px;
  --sec-y:104px;
  --sec-y-sm:64px;

  --font-cn:"Noto Sans SC","MiSans","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"DIN Alternate","SF Mono","Roboto Mono",ui-monospace,Menlo,Consolas,monospace;

  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  font-weight:400;
  line-height:1.8;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:var(--primary);text-decoration:none;transition:color .25s var(--ease);}
a:hover{color:var(--primary-soft);}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:800;line-height:1.28;letter-spacing:-.015em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}

/* ============ 容器 ============ */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}

/* ============ 按钮 ============ */
.btn{
  position:relative;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 26px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:700;
  letter-spacing:.02em;
  white-space:nowrap;
  overflow:hidden;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease),background-color .25s var(--ease);
}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-2);}
.btn-primary::before{
  content:"";position:absolute;inset:0;background:var(--accent);
  transform:scaleX(0);transform-origin:left;transition:transform .38s var(--ease);z-index:0;
}
.btn-primary span,.btn-primary em{position:relative;z-index:1;font-style:normal;}
.btn-primary:hover{color:var(--ink);box-shadow:var(--shadow-3);}
.btn-primary:hover::before{transform:scaleX(1);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  background:transparent;color:var(--primary);
  border:1.5px solid var(--primary);
}
.btn-ghost:hover{background:var(--primary);color:#fff;}
.btn-ghost:active{transform:translateY(1px);}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}

.text-link{
  position:relative;display:inline-block;font-weight:700;font-size:15px;
  padding-bottom:3px;color:var(--primary);
}
.text-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--primary);transform:scaleX(.35);transform-origin:left;
  transition:transform .32s var(--ease);
}
.text-link:hover::after{transform:scaleX(1);}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(250,248,244,.93);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:24px;height:72px;}
.logo{
  display:flex;align-items:center;gap:10px;
  font-size:17px;font-weight:900;letter-spacing:-.01em;color:var(--text);
  flex-shrink:0;
}
.logo:hover{color:var(--primary);}
.logo-mark{
  width:36px;height:36px;border-radius:10px;
  background:var(--primary);color:#fff;
  display:grid;place-items:center;
  font-family:var(--font-num);font-size:13px;font-weight:700;
  letter-spacing:.06em;flex-shrink:0;
}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;padding:10px 14px;border-radius:10px;
  font-size:15px;font-weight:500;color:var(--text-2);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;
  transition:transform .32s var(--ease);border-radius:2px;
}
.nav-link:hover{color:var(--primary);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--primary);font-weight:800;}
.nav-link.active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.nav-toggle{display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);place-items:center;}
.nav-toggle span{display:block;width:16px;height:2px;background:var(--primary);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:16px;height:2px;background:var(--primary);
}
.nav-toggle span::before{top:-5px;}
.nav-toggle span::after{top:5px;}

/* ============ 移动端底部 Tab ============ */
.mobile-tabs{
  position:fixed;left:0;right:0;bottom:0;z-index:80;
  display:none;
  grid-template-columns:repeat(4,1fr);
  background:rgba(250,248,244,.97);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-top:1px solid var(--line);
  padding:8px 8px calc(8px + env(safe-area-inset-bottom));
}
.mtab{
  position:relative;
  display:flex;flex-direction:column;align-items:center;gap:3px;
  padding:8px 4px 6px;
  font-size:11px;font-weight:600;color:var(--text-3);
  border-radius:10px;
  transition:color .25s var(--ease);
}
.mtab svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.mtab::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%) scaleX(0);
  width:24px;height:2px;border-radius:2px;background:var(--primary);
  transition:transform .28s var(--ease);
}
.mtab.active{color:var(--primary);}
.mtab.active::before{transform:translateX(-50%) scaleX(1);}
.mtab:hover{color:var(--primary);}

/* ============ 板块通用 ============ */
.section{padding:var(--sec-y) 0;}
.section-alt{background:var(--surface);}
.section-dark{background:var(--ink);color:#E8EFE9;}
.section-dark h2,.section-dark h3{color:#fff;}
.section-head{margin-bottom:48px;max-width:760px;}
.sec-title{position:relative;padding-top:22px;font-size:34px;}
.sec-title::before{
  content:"";position:absolute;top:0;left:0;width:52px;height:4px;
  border-radius:2px;background:var(--primary);
}
.section-dark .sec-title::before{background:var(--accent);}
.sec-sub{margin-top:14px;font-size:16px;color:var(--text-2);}
.section-dark .sec-sub{color:#A9BBAF;}

/* ============ 页面头部（紧凑型） ============ */
.page-head{
  background:var(--surface);
  border-bottom:1px solid var(--line);
  padding:36px 0 68px;
}
.crumbs{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);margin-bottom:28px;
}
.crumbs a{color:var(--text-3);}
.crumbs a:hover{color:var(--primary);}
.crumbs .sep{color:var(--line);}
.crumbs .cur{color:var(--text);font-weight:700;}
.page-head-grid{
  display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;
}
.page-head h1{
  font-size:44px;font-weight:900;letter-spacing:-.02em;line-height:1.22;
}
.page-head .lede{
  margin-top:18px;font-size:17px;color:var(--text-2);max-width:640px;
}
.page-head-actions{margin-top:30px;display:flex;flex-wrap:wrap;gap:14px;}
.page-head-figure{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow-3);aspect-ratio:16/11;background:#E4DFD4;
}
.page-head-figure img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.page-head-figure:hover img{transform:scale(1.03);}
.page-head-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,31,27,0) 45%,rgba(11,31,27,.55) 100%);
}
.figure-badge{
  position:absolute;left:18px;bottom:16px;z-index:1;
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:var(--r-pill);
  background:rgba(250,248,244,.92);color:var(--primary);
  font-size:12px;font-weight:700;letter-spacing:.06em;
}

/* ============ 数据条 ============ */
.stats-bar{
  display:grid;grid-template-columns:repeat(3,1fr);
  border:1px solid var(--line);border-radius:var(--r-card);
  background:#fff;box-shadow:var(--shadow-1);
  margin-top:-34px;position:relative;z-index:2;
  overflow:hidden;
}
.stat-item{padding:26px 28px;border-right:1px solid var(--line);}
.stat-item:last-child{border-right:none;}
.stat-num{
  font-family:var(--font-num);font-size:34px;font-weight:700;
  color:var(--primary);line-height:1;letter-spacing:-.01em;
}
.stat-num small{font-size:15px;font-weight:700;margin-left:4px;}
.stat-label{margin-top:8px;font-size:14px;color:var(--text-2);}

/* ============ 时间线 ============ */
.timeline{position:relative;padding-left:8px;}
.timeline::before{
  content:"";position:absolute;left:7px;top:12px;bottom:16px;width:2px;
  background:linear-gradient(180deg,var(--primary) 0%,rgba(18,59,50,.1) 100%);
}
.tl-item{position:relative;padding:0 0 36px 42px;}
.tl-item:last-child{padding-bottom:0;}
.tl-dot{
  position:absolute;left:0;top:8px;width:16px;height:16px;border-radius:50%;
  background:#fff;border:2px solid var(--primary);
  box-shadow:0 0 0 4px rgba(18,59,50,.07);
  transition:box-shadow .3s var(--ease);
}
.tl-item:hover .tl-dot{box-shadow:0 0 0 7px rgba(184,230,46,.4);}
.tl-step{
  display:inline-block;font-family:var(--font-num);font-size:13px;
  font-weight:700;letter-spacing:.12em;color:var(--primary);
  background:rgba(184,230,46,.28);
  padding:3px 10px;border-radius:var(--r-pill);margin-bottom:10px;
}
.tl-body h3{font-size:21px;font-weight:800;}
.tl-body p{margin-top:8px;font-size:15px;color:var(--text-2);max-width:760px;}

/* ============ 对比小表 ============ */
.table-wrap{
  overflow-x:auto;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--shadow-1);
  -webkit-overflow-scrolling:touch;
}
.cmp-table{width:100%;min-width:760px;border-collapse:collapse;}
.cmp-table thead th{
  position:sticky;top:0;
  background:var(--surface);color:var(--text-2);
  font-size:12px;font-weight:800;letter-spacing:.12em;
  text-align:left;padding:15px 22px;
  border-bottom:1px solid var(--line);white-space:nowrap;
}
.cmp-table tbody td{
  padding:18px 22px;font-size:15px;border-bottom:1px solid var(--line);
  color:var(--text);vertical-align:middle;
}
.cmp-table tbody tr:last-child td{border-bottom:none;}
.cmp-table tbody tr{transition:background-color .25s var(--ease);}
.cmp-table tbody tr:hover{background:#F7F5EF;}
.cmp-table .venue-name{font-weight:800;}
.cmp-table .num{
  font-family:var(--font-num);text-align:right;
  font-variant-numeric:tabular-nums;font-size:16px;font-weight:700;color:var(--primary);
}
.cmp-table th.num{text-align:right;}
.cmp-table .tag{
  display:inline-block;padding:3px 11px;border-radius:var(--r-pill);
  background:rgba(18,59,50,.08);color:var(--primary);
  font-size:12px;font-weight:700;letter-spacing:.04em;
}
.cmp-table .tag.warn{
  background:transparent;border:1px solid var(--accent-2);color:var(--accent-2);
}
.table-hint{margin-top:14px;font-size:13px;color:var(--text-3);}

/* ============ 双列不等宽图集 ============ */
.gallery{display:grid;grid-template-columns:1.4fr 1fr;gap:22px;align-items:stretch;}
.gallery figure{
  margin:0;position:relative;overflow:hidden;
  border-radius:var(--r-card);background:#E4DFD4;
  box-shadow:var(--shadow-1);
}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.gallery figure:hover img{transform:scale(1.03);}
.gallery figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,31,27,0) 50%,rgba(11,31,27,.62) 100%);
}
.g-main{min-height:440px;}
.g-side{display:grid;grid-template-rows:1fr 1fr;gap:22px;}
.g-side figure{min-height:209px;}
.gallery figcaption{
  position:absolute;left:20px;right:20px;bottom:18px;z-index:1;
  color:#fff;font-size:14px;font-weight:600;line-height:1.6;
}
.gallery figcaption span{display:block;font-size:12px;font-weight:500;color:rgba(255,255,255,.78);margin-top:3px;}

/* ============ 服务要点 ============ */
.points-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:64px;align-items:start;}
.points-lead h2{font-size:32px;font-weight:900;}
.points-lead p{margin-top:18px;font-size:16px;color:var(--text-2);}
.points-lead .text-link{margin-top:22px;}
.points-list{border-top:1px solid var(--line);}
.points-list li{
  display:grid;grid-template-columns:180px 1fr;gap:24px;
  padding:22px 0;border-bottom:1px solid var(--line);
  transition:padding-left .3s var(--ease);
}
.points-list li:hover{padding-left:8px;}
.points-list strong{font-size:16px;font-weight:800;color:var(--primary);}
.points-list span{font-size:15px;color:var(--text-2);}

/* ============ FAQ ============ */
.faq{max-width:900px;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  position:relative;width:100%;text-align:left;
  display:flex;align-items:flex-start;justify-content:space-between;gap:24px;
  padding:24px 0 24px 0;font-size:18px;font-weight:700;color:var(--text);
  transition:color .25s var(--ease),padding-left .3s var(--ease);
}
.faq-q:hover{color:var(--primary);}
.faq-item.open .faq-q{color:var(--primary);padding-left:18px;}
.faq-item.open .faq-q::before{
  content:"";position:absolute;left:0;top:26px;bottom:26px;width:2px;
  border-radius:2px;background:var(--primary);
}
.faq-icon{
  position:relative;flex-shrink:0;width:22px;height:22px;margin-top:5px;
  transition:transform .28s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--primary);border-radius:2px;
}
.faq-icon::before{left:0;top:10px;width:22px;height:2px;}
.faq-icon::after{left:10px;top:0;width:2px;height:22px;}
.faq-item.open .faq-icon{transform:rotate(45deg);}
.faq-a{
  overflow:hidden;max-height:0;
  transition:max-height .26s var(--ease);
}
.faq-a-inner{padding:0 46px 26px 0;font-size:15.5px;color:var(--text-2);max-width:800px;}

/* ============ CTA / 表单 ============ */
.cta-section{background:var(--ink);color:#DCE6DE;}
.cta-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:start;}
.cta-copy h2{font-size:34px;font-weight:900;color:#fff;}
.cta-copy p{margin-top:18px;font-size:16px;color:#A9BBAF;max-width:560px;}
.cta-facts{margin-top:34px;display:grid;gap:16px;max-width:520px;}
.cta-facts li{
  display:flex;gap:14px;align-items:flex-start;
  padding:16px 18px;border-radius:var(--r-card);
  background:rgba(184,230,46,.06);
  border:1px solid rgba(184,230,46,.22);
  font-size:15px;color:#D8E4DA;
}
.cta-facts li strong{color:#fff;font-weight:800;}
.cta-facts .dot{
  flex-shrink:0;width:8px;height:8px;border-radius:50%;
  background:var(--accent);margin-top:9px;
}
.form-card{
  background:#fff;border-radius:var(--r-card);
  padding:32px;box-shadow:var(--shadow-3);color:var(--text);
}
.form-card h3{font-size:22px;font-weight:900;}
.form-card .form-tip{margin-top:8px;font-size:14px;color:var(--text-3);}
.form-row{margin-top:20px;}
.form-row label{
  display:block;font-size:13px;font-weight:700;color:var(--text-2);
  letter-spacing:.04em;margin-bottom:8px;
}
.form-row .req{color:var(--accent-2);margin-left:3px;}
.form-row input,.form-row textarea{
  width:100%;padding:13px 15px;border-radius:var(--r-input);
  border:1px solid var(--line);background:#FDFCFA;
  font-size:15px;line-height:1.6;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease),background-color .25s var(--ease);
}
.form-row textarea{min-height:104px;resize:vertical;}
.form-row input::placeholder,.form-row textarea::placeholder{color:#B4B8AF;}
.form-row input:focus,.form-row textarea:focus{
  outline:none;background:#fff;border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(18,59,50,.12);
}
.form-check{
  display:flex;gap:10px;align-items:flex-start;
  margin-top:20px;font-size:13.5px;color:var(--text-2);line-height:1.7;
}
.form-check input{width:17px;height:17px;margin-top:4px;accent-color:var(--primary);flex-shrink:0;}
.form-card .btn{margin-top:22px;}
.form-note{margin-top:14px;font-size:13.5px;color:var(--primary);font-weight:600;min-height:20px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#B9C7BC;padding:80px 0 0;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:44px;
  padding-bottom:56px;border-bottom:1px solid rgba(184,230,46,.16);
}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  font-size:17px;font-weight:900;color:#fff;letter-spacing:-.01em;
}
.footer-brand .logo-mark{background:var(--accent);color:var(--ink);}
.brand-desc{margin-top:18px;font-size:14.5px;line-height:1.85;color:#93A499;max-width:340px;}
.footer-col h4{
  font-size:13px;font-weight:800;letter-spacing:.12em;
  color:#fff;text-transform:uppercase;margin-bottom:18px;
}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{font-size:14.5px;color:#B9C7BC;}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  padding:24px 0 30px;font-size:13px;color:#7E8F84;
}

/* ============ 入场动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .55s var(--ease),transform .55s var(--ease);}
.reveal.is-visible{opacity:1;transform:none;}

/* ============ 响应式 ============ */
@media (max-width:1439px){
  .container{padding:0 32px;}
}
@media (max-width:1279px){
  :root{--sec-y:88px;}
  .page-head h1{font-size:40px;}
  .points-grid{gap:48px;}
}
@media (max-width:1023px){
  :root{--sec-y:76px;}
  body{padding-bottom:76px;}
  .nav-menu{display:none;}
  .nav-toggle{display:grid;}
  .mobile-tabs{display:grid;}
  .section-head{margin-bottom:36px;}
  .sec-title{font-size:28px;}
  .page-head{padding:28px 0 56px;}
  .page-head-grid{grid-template-columns:1fr;gap:32px;}
  .page-head h1{font-size:34px;}
  .page-head-figure{aspect-ratio:16/10;}
  .stats-bar{grid-template-columns:1fr;margin-top:-26px;}
  .stat-item{border-right:none;border-bottom:1px solid var(--line);padding:20px 24px;}
  .stat-item:last-child{border-bottom:none;}
  .gallery{grid-template-columns:1fr;}
  .g-main{min-height:300px;}
  .g-side{grid-template-rows:auto;grid-template-columns:1fr 1fr;}
  .g-side figure{min-height:180px;}
  .points-grid{grid-template-columns:1fr;gap:32px;}
  .points-list li{grid-template-columns:1fr;gap:8px;}
  .cta-grid{grid-template-columns:1fr;gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:767px){
  :root{--sec-y:60px;--gap:16px;}
  .container{padding:0 20px;}
  body{font-size:16px;}
  .page-head h1{font-size:29px;}
  .page-head .lede{font-size:15.5px;}
  .sec-title{font-size:24px;}
  .sec-title::before{width:40px;}
  .stat-num{font-size:28px;}
  .tl-item{padding-left:34px;}
  .tl-body h3{font-size:18px;}
  .gallery{gap:16px;}
  .g-side{grid-template-columns:1fr;}
  .g-side figure{min-height:180px;}
  .faq-q{font-size:16px;padding:20px 0;}
  .form-card{padding:22px;}
  .cta-copy h2{font-size:26px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .btn{padding:13px 22px;font-size:14.5px;}
}
@media (max-width:519px){
  .page-head h1{font-size:26px;}
  .table-wrap{border-radius:14px;}
  .cmp-table thead th,.cmp-table tbody td{padding:14px 16px;}
  .mtab{font-size:10.5px;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important;}
  .reveal{opacity:1;transform:none;}
  .page-head-figure:hover img,.gallery figure:hover img{transform:none;}
}