/* roulang page: index */
:root{
  --c-primary-900:#0E3B2E;
  --c-primary-700:#16553F;
  --c-primary-500:#22795A;
  --c-primary-100:#E3EFE8;
  --c-accent:#C6F24E;
  --c-warn:#FF5A1F;
  --bg-base:#F7F6F1;
  --bg-surface:#FFFFFF;
  --bg-muted:#EFEDE4;
  --ink:#14181A;
  --ink-soft:#5B6462;
  --ink-muted:#8B918C;
  --line:#E4E1D6;
  --line-strong:rgba(20,24,26,.12);
  --r-card:14px;
  --r-img:16px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(20,24,26,.05);
  --sh-2:0 10px 24px rgba(14,59,46,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:90px;}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--ink);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;background-color:transparent;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:none;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-primary-700);outline-offset:2px;border-radius:4px;}
.num{font-variant-numeric:tabular-nums;letter-spacing:.02em;}

.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
@media(min-width:640px){.wrap{padding:0 32px;}}
@media(min-width:1024px){.wrap{padding:0 40px;}}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(247,246,241,.97);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s var(--ease);
}
.site-header.scrolled{box-shadow:0 2px 14px rgba(20,24,26,.07);}
.nav-inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px;}
.brand{display:flex;flex-direction:column;line-height:1.15;}
.brand-main{font-size:19px;font-weight:800;color:var(--c-primary-900);letter-spacing:.01em;}
.brand-sub{font-size:11px;letter-spacing:.14em;color:var(--ink-muted);margin-top:4px;}
.nav-links{display:flex;align-items:center;gap:34px;}
.nav-links a{
  position:relative;font-size:15px;letter-spacing:.02em;color:var(--ink-soft);
  padding:6px 0;transition:color .2s var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--c-primary-700);transform:scaleX(0);transform-origin:left;
  transition:transform .2s var(--ease);
}
.nav-links a:hover{color:var(--c-primary-700);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--c-primary-900);font-weight:600;}
.nav-links a.active::after{transform:scaleX(1);}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line-strong);
  border-radius:12px;background:#fff;flex-direction:column;align-items:center;
  justify-content:center;gap:5px;transition:background .2s var(--ease);
}
.nav-toggle:hover{background:var(--c-primary-100);}
.nav-toggle span{display:block;width:18px;height:1.6px;background:var(--c-primary-900);border-radius:2px;}
@media(max-width:1023px){
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
}

/* ===== 移动端抽屉 ===== */
.drawer{
  position:fixed;inset:0;z-index:95;background:var(--bg-base);
  transform:translateX(100%);transition:transform .28s var(--ease);
  display:flex;flex-direction:column;padding:20px;
  overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:20px;border-bottom:1px solid var(--line);}
.drawer-close{
  width:40px;height:40px;border:1px solid var(--line-strong);border-radius:12px;
  display:flex;align-items:center;justify-content:center;color:var(--c-primary-900);font-size:18px;
}
.drawer-nav{margin-top:12px;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  font-size:18px;padding:20px 2px;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.drawer-nav a.active{color:var(--c-primary-700);font-weight:600;}
.drawer-nav a i{color:var(--ink-muted);font-size:14px;}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;white-space:nowrap;
  transition:all .2s var(--ease);
}
.btn-primary{background:var(--c-primary-700);color:#fff;}
.btn-primary:hover{background:var(--c-primary-500);transform:translateY(-1px);box-shadow:0 10px 24px rgba(14,59,46,.20);}
.btn-ghost{border-color:var(--line-strong);color:var(--c-primary-700);background:transparent;}
.btn-ghost:hover{background:var(--c-primary-100);border-color:var(--c-primary-500);}
.btn-accent{background:var(--c-accent);color:var(--c-primary-900);}
.btn-accent:hover{transform:translateY(-1px);box-shadow:0 10px 24px rgba(198,242,78,.28);}
.btn-full{width:100%;}
@media(max-width:640px){.btn{height:48px;padding:0 20px;}.btn-full{width:100%;}}

.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--c-primary-700);font-size:15px;font-weight:600;
  transition:color .2s var(--ease);
}
.link-arrow i,.link-arrow span{transition:transform .2s var(--ease);font-style:normal;}
.link-arrow:hover{color:var(--c-primary-500);}
.link-arrow:hover i,.link-arrow:hover span{transform:translateX(3px);}

/* ===== 板块 ===== */
.sec{padding:56px 0;}
@media(min-width:1024px){.sec{padding:96px 0;}}
.sec-tight{padding:40px 0;}
@media(min-width:1024px){.sec-tight{padding:48px 0;}}
.sec-head{max-width:720px;margin-bottom:40px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.1em;color:var(--c-primary-700);
  background:var(--c-primary-100);border-radius:6px;padding:5px 12px;font-weight:600;
}
.sec-title{
  font-size:clamp(24px,2.6vw,36px);line-height:1.25;font-weight:800;
  color:var(--c-primary-900);margin-top:16px;letter-spacing:-.01em;
}
.sec-desc{margin-top:16px;color:var(--ink-soft);font-size:16px;line-height:1.9;}
@media(min-width:1024px){.sec-desc{font-size:17px;}}

/* ===== Hero ===== */
.hero{padding:48px 0 56px;}
@media(min-width:1024px){.hero{padding:72px 0 88px;min-height:78vh;display:flex;align-items:center;}}
.hero-grid{display:grid;grid-template-columns:1fr;gap:40px;align-items:center;}
@media(min-width:1024px){.hero-grid{grid-template-columns:1.05fr .95fr;gap:56px;}}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  letter-spacing:.08em;color:var(--c-primary-700);background:#fff;
  border:1px solid var(--line);border-radius:999px;padding:7px 16px;
}
.hero-tag i{color:var(--c-accent);font-size:9px;}
.hero h1{
  font-size:clamp(30px,4.6vw,58px);line-height:1.2;font-weight:800;
  color:var(--c-primary-900);margin-top:24px;letter-spacing:-.015em;
}
.hero h1 em{font-style:normal;color:var(--c-primary-500);}
.hero-sub{margin-top:24px;font-size:17px;line-height:1.9;color:var(--ink-soft);max-width:600px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px;}
.hero-points{display:flex;flex-wrap:wrap;gap:12px 28px;margin-top:36px;padding-top:28px;border-top:1px solid var(--line);}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-soft);}
.hero-points li i{color:var(--c-primary-500);font-size:13px;}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-img);box-shadow:var(--sh-2);
}
.hero-badge{
  position:absolute;left:-14px;bottom:24px;background:#fff;border:1px solid var(--line);
  border-radius:14px;padding:14px 20px;box-shadow:var(--sh-2);
  display:flex;align-items:center;gap:14px;
}
.hero-badge .bnum{font-size:26px;font-weight:800;color:var(--c-primary-700);line-height:1;}
.hero-badge .btxt{font-size:13px;color:var(--ink-soft);line-height:1.5;letter-spacing:.04em;}
@media(max-width:640px){
  .hero-badge{left:12px;bottom:-18px;padding:12px 16px;}
  .hero-badge .bnum{font-size:22px;}
}

/* ===== 信任条 ===== */
.trust{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg-surface);}
.trust-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px 24px;padding:26px 0;}
@media(min-width:768px){.trust-grid{grid-template-columns:repeat(4,1fr);gap:24px;}}
.trust-item{display:flex;align-items:center;gap:12px;}
.trust-item i{
  width:36px;height:36px;flex:0 0 36px;display:flex;align-items:center;justify-content:center;
  border-radius:10px;background:var(--c-primary-100);color:var(--c-primary-700);font-size:15px;
}
.trust-item span{font-size:14px;color:var(--ink-soft);line-height:1.5;}

/* ===== 痛点提问 ===== */
.pain{border-radius:var(--r-card);background:var(--bg-muted);border:1px solid var(--line);padding:26px;}
.pain i{color:var(--c-warn);font-size:20px;}
.pain p{margin-top:16px;font-size:17px;font-weight:600;line-height:1.7;color:var(--ink);}
.pain small{display:block;margin-top:10px;font-size:14px;color:var(--ink-soft);line-height:1.75;}

/* ===== 网格 ===== */
.grid-2{display:grid;grid-template-columns:1fr;gap:16px;}
.grid-3{display:grid;grid-template-columns:1fr;gap:16px;}
.grid-4{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
@media(min-width:640px){
  .grid-2{grid-template-columns:repeat(2,1fr);gap:20px;}
  .grid-3{grid-template-columns:repeat(2,1fr);gap:20px;}
  .grid-4{grid-template-columns:repeat(2,1fr);gap:20px;}
}
@media(min-width:1024px){
  .grid-2{gap:24px;}
  .grid-3{grid-template-columns:repeat(3,1fr);gap:24px;}
  .grid-4{grid-template-columns:repeat(4,1fr);gap:24px;}
}

/* ===== 卡片 ===== */
.card{
  position:relative;background:var(--bg-surface);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--c-accent);transform:scaleX(0);transform-origin:left;
  transition:transform .2s var(--ease);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.card:hover::before{transform:scaleX(1);}
.card-body{padding:26px;}
@media(min-width:1024px){.card-body{padding:30px;}}

/* ===== 方案错位网格 ===== */
.plan-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media(min-width:900px){.plan-grid{grid-template-columns:repeat(12,1fr);gap:24px;}}
.plan-a,.plan-b,.plan-c,.plan-d{grid-column:span 1;}
@media(min-width:900px){
  .plan-a{grid-column:span 7;}
  .plan-b{grid-column:span 5;}
  .plan-c{grid-column:span 5;}
  .plan-d{grid-column:span 7;}
}
.plan-media{width:100%;aspect-ratio:16/10;object-fit:cover;display:block;}
.plan-no{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:38px;height:38px;padding:0 12px;border-radius:10px;
  background:var(--c-primary-100);color:var(--c-primary-700);
  font-size:14px;font-weight:800;letter-spacing:.04em;
}
.plan-title{font-size:20px;font-weight:700;color:var(--c-primary-900);margin-top:18px;line-height:1.45;}
.plan-text{margin-top:12px;font-size:15px;line-height:1.85;color:var(--ink-soft);}
.plan-body .link-arrow{margin-top:20px;}

/* ===== 深色数据区 ===== */
.sec-dark{background:var(--c-primary-900);color:#F2F4EF;}
.sec-dark .eyebrow{background:rgba(198,242,78,.14);color:var(--c-accent);}
.sec-dark .sec-title{color:#F2F4EF;}
.sec-dark .sec-desc{color:rgba(242,244,239,.72);}
.stat{
  border:1px solid rgba(255,255,255,.14);border-radius:var(--r-card);
  padding:26px 24px;background:rgba(255,255,255,.03);
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.stat:hover{background:rgba(255,255,255,.07);transform:translateY(-2px);}
.stat .num{font-size:clamp(36px,5vw,56px);font-weight:800;color:var(--c-accent);line-height:1.05;display:block;}
.stat .stat-unit{font-size:16px;font-weight:700;color:var(--c-accent);margin-left:4px;}
.stat .label{margin-top:14px;font-size:13px;letter-spacing:.08em;color:rgba(242,244,239,.80);}
.stat .note{margin-top:8px;font-size:13px;color:rgba(242,244,239,.55);line-height:1.7;}
.data-foot{
  margin-top:28px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(242,244,239,.55);line-height:1.8;
}

/* ===== 最新信息 ===== */
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px;}
.news-card{display:flex;flex-direction:column;}
.news-body{padding:24px;display:flex;flex-direction:column;flex:1;}
.news-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.badge{
  display:inline-flex;align-items:center;font-size:12px;font-weight:600;
  letter-spacing:.06em;border-radius:6px;padding:4px 10px;
  background:var(--c-primary-100);color:var(--c-primary-700);
}
.news-time{font-size:13px;color:var(--ink-muted);letter-spacing:.04em;}
.news-title{margin-top:16px;font-size:18px;font-weight:700;line-height:1.55;color:var(--c-primary-900);}
.news-title a{transition:color .2s var(--ease);}
.news-title a:hover{color:var(--c-primary-500);}
.news-summary{
  margin-top:12px;font-size:15px;line-height:1.8;color:var(--ink-soft);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body .link-arrow{margin-top:auto;padding-top:20px;font-size:14px;}
.empty-state{
  border:1px dashed var(--line-strong);border-radius:var(--r-card);
  background:#fff;padding:48px 24px;text-align:center;color:var(--ink-muted);font-size:15px;
}
.empty-state i{display:block;font-size:22px;margin-bottom:12px;color:var(--ink-muted);}

/* ===== FAQ ===== */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  padding:24px 0;text-align:left;font-size:17px;font-weight:600;line-height:1.65;
  color:var(--c-primary-900);transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--c-primary-500);}
.faq-icon{
  flex:0 0 26px;width:26px;height:26px;position:relative;margin-top:3px;
  border:1px solid var(--line-strong);border-radius:50%;
  transition:background .2s var(--ease),border-color .2s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--c-primary-700);
  transform:translate(-50%,-50%);transition:transform .22s var(--ease),background .2s var(--ease);
}
.faq-icon::before{width:11px;height:1.6px;}
.faq-icon::after{width:1.6px;height:11px;}
.faq-item.open .faq-icon{background:var(--c-primary-100);border-color:var(--c-primary-500);}
.faq-item.open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s var(--ease);}
.faq-a-inner{padding:0 46px 26px 0;font-size:16px;line-height:1.9;color:var(--ink-soft);}

/* ===== 表单 ===== */
.form-cta{
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 30px;box-shadow:var(--sh-1);
}
.form-cta h3{font-size:19px;font-weight:700;color:var(--c-primary-900);line-height:1.5;}
.form-cta p{margin-top:10px;font-size:13px;color:var(--ink-muted);line-height:1.8;max-width:620px;}
.form-cta p a{color:var(--c-primary-700);text-decoration:underline;text-underline-offset:3px;}

.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px;}
.field label .req{color:var(--c-warn);margin-left:4px;}
.field input[type="text"],
.field input[type="tel"],
.field select,
.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--r-input);
  background:#fff;padding:12px 14px;font-size:15px;line-height:1.6;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{min-height:104px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary-700);box-shadow:0 0 0 3px rgba(22,85,63,.15);
}
.field-row{display:grid;grid-template-columns:1fr;gap:0 16px;}
@media(min-width:640px){.field-row{grid-template-columns:1fr 1fr;}}
.check{display:flex;align-items:flex-start;gap:10px;margin:4px 0 22px;}
.check input{margin-top:5px;width:16px;height:16px;accent-color:var(--c-primary-700);flex:0 0 16px;}
.check span{font-size:13px;line-height:1.75;color:var(--ink-soft);}
.check span a{color:var(--c-primary-700);text-decoration:underline;text-underline-offset:3px;}

/* ===== 弹层 ===== */
.modal-mask{
  position:fixed;inset:0;z-index:120;background:rgba(14,20,18,.55);
  display:none;align-items:center;justify-content:center;padding:20px;
}
.modal-mask.open{display:flex;}
.modal-panel{
  position:relative;width:100%;max-width:480px;max-height:88vh;overflow-y:auto;
  background:var(--bg-base);border-radius:var(--r-img);padding:30px;
  box-shadow:0 24px 60px rgba(14,59,46,.28);
  animation:panelIn .22s var(--ease);
}
@keyframes panelIn{from{opacity:0;transform:translateY(12px);}to{opacity:1;transform:translateY(0);}}
.modal-close{
  position:absolute;top:12px;right:12px;width:40px;height:40px;
  display:flex;align-items:center;justify-content:center;border-radius:50%;
  color:var(--ink-soft);font-size:17px;transition:background .2s var(--ease),color .2s var(--ease);
}
.modal-close:hover{background:var(--c-primary-100);color:var(--c-primary-700);}
.modal-panel h3{font-size:21px;font-weight:800;color:var(--c-primary-900);line-height:1.45;padding-right:36px;}
.modal-panel .modal-sub{margin-top:10px;font-size:14px;color:var(--ink-soft);line-height:1.8;}
.modal-panel form{margin-top:24px;}
.modal-note{margin-top:18px;font-size:13px;color:var(--ink-muted);line-height:1.8;}
.modal-note a{color:var(--c-primary-700);text-decoration:underline;text-underline-offset:3px;}
.form-result{
  display:none;margin-top:18px;border:1px dashed var(--line-strong);border-radius:var(--r-input);
  padding:16px;font-size:14px;color:var(--ink-soft);line-height:1.8;background:#fff;
}
.form-result.show{display:block;}
@media(max-width:640px){
  .modal-mask{padding:0;align-items:flex-end;}
  .modal-panel{max-width:100%;max-height:88vh;border-radius:16px 16px 0 0;padding:26px 20px 30px;animation:panelUp .26s var(--ease);}
  @keyframes panelUp{from{transform:translateY(40px);}to{transform:translateY(0);}}
}

/* ===== 页脚 ===== */
.site-footer{background:#131715;color:#F2F4EF;}
.footer-cta{
  background:var(--c-primary-900);border-bottom:1px solid rgba(255,255,255,.12);
  padding:56px 0;
}
@media(min-width:1024px){.footer-cta{padding:72px 0;}}
.footer-cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;}
.footer-cta h2{font-size:clamp(22px,2.4vw,32px);font-weight:800;line-height:1.35;color:#F2F4EF;max-width:660px;}
.footer-cta p{margin-top:14px;font-size:15px;line-height:1.85;color:rgba(242,244,239,.72);max-width:620px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;padding:56px 0 40px;}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);gap:36px 32px;}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding:72px 0 48px;}}
.footer-brand .fb-main{font-size:18px;font-weight:800;color:#F2F4EF;letter-spacing:.01em;}
.footer-brand .fb-sub{margin-top:6px;font-size:11px;letter-spacing:.14em;color:rgba(242,244,239,.45);}
.footer-brand p{margin-top:18px;font-size:13px;line-height:1.85;color:rgba(242,244,239,.62);max-width:320px;}
.footer-col h4{font-size:13px;font-weight:700;letter-spacing:.1em;color:rgba(242,244,239,.55);margin-bottom:18px;}
.footer-col li{margin-bottom:12px;}
.footer-col a{font-size:14px;color:rgba(242,244,239,.80);transition:color .2s var(--ease);}
.footer-col a:hover{color:var(--c-accent);}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:rgba(242,244,239,.80);margin-bottom:14px;line-height:1.7;}
.footer-contact i{color:var(--c-accent);font-size:13px;margin-top:6px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0 30px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(242,244,239,.55);
}
@media(max-width:767px){
  .footer-col,.footer-contact{border-top:1px solid rgba(255,255,255,.12);padding-top:24px;}
}

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

/* roulang page: article */
:root{
  --c-primary-900:#0E3B2E;
  --c-primary-700:#16553F;
  --c-primary-500:#22795A;
  --c-primary-100:#E3EFE8;
  --c-accent:#C6F24E;
  --c-warn:#FF5A1F;
  --bg-base:#F7F6F1;
  --bg-surface:#FFFFFF;
  --bg-muted:#EFEDE4;
  --ink:#14181A;
  --ink-soft:#5B6462;
  --ink-muted:#8B918C;
  --line:#E4E1D6;
  --line-strong:rgba(20,24,26,.12);
  --radius-card:14px;
  --radius-img:16px;
  --radius-input:10px;
  --shadow-1:0 1px 2px rgba(20,24,26,.05);
  --shadow-2:0 10px 24px rgba(14,59,46,.10);
  --tr:200ms cubic-bezier(.2,.7,.3,1);
  --maxw:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--ink);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  text-align:left;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--c-primary-700);text-decoration:none;transition:color var(--tr),border-color var(--tr)}
a:hover{color:var(--c-primary-500)}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--c-primary-500);outline-offset:2px;border-radius:4px}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
@media(min-width:640px){.wrap{padding:0 32px}}
@media(min-width:1024px){.wrap{padding:0 40px}}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--bg-base);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--tr);
}
.site-header.is-scrolled{box-shadow:0 1px 12px rgba(20,24,26,.07)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}
.brand{display:flex;flex-direction:column;gap:2px;line-height:1.15}
.brand-main{font-size:19px;font-weight:800;letter-spacing:.01em;color:var(--c-primary-900)}
.brand-sub{font-size:11px;letter-spacing:.14em;color:var(--ink-muted)}
.brand:hover .brand-main{color:var(--c-primary-500)}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{
  position:relative;font-size:15px;letter-spacing:.02em;color:var(--ink-soft);
  padding:6px 0;font-weight:500;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;
  background:var(--c-primary-500);transition:right var(--tr);
}
.nav-links a:hover{color:var(--c-primary-900)}
.nav-links a:hover::after{right:0}
.nav-links a.active{color:var(--c-primary-900);font-weight:700}
.nav-links a.active::after{right:0}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line-strong);
  border-radius:10px;color:var(--c-primary-900);font-size:18px;align-items:center;justify-content:center;
}
.nav-toggle:hover{background:var(--c-primary-100)}
@media(max-width:1023px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
}
.drawer{
  position:fixed;inset:0 0 0 auto;width:min(88vw,380px);background:var(--bg-base);
  z-index:90;transform:translateX(102%);transition:transform 240ms cubic-bezier(.2,.7,.3,1);
  display:flex;flex-direction:column;box-shadow:-12px 0 40px rgba(14,59,46,.12);
}
.drawer.open{transform:translateX(0)}
.drawer-mask{position:fixed;inset:0;background:rgba(14,20,18,.5);z-index:85;opacity:0;pointer-events:none;transition:opacity var(--tr)}
.drawer-mask.open{opacity:1;pointer-events:auto}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;border-bottom:1px solid var(--line)}
.drawer-close{width:40px;height:40px;border-radius:10px;color:var(--c-primary-900);font-size:18px}
.drawer-close:hover{background:var(--c-primary-100)}
.drawer-nav{display:flex;flex-direction:column;padding:6px 0}
.drawer-nav a{
  padding:16px 22px;font-size:18px;color:var(--ink);border-bottom:1px solid var(--line);font-weight:500;
}
.drawer-nav a.active{color:var(--c-primary-500);font-weight:700}
.drawer-foot{margin-top:auto;padding:20px 22px;font-size:13px;color:var(--ink-muted);border-top:1px solid var(--line)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:999px;font-size:15px;font-weight:600;
  letter-spacing:.02em;transition:transform var(--tr),background var(--tr),box-shadow var(--tr),color var(--tr),border-color var(--tr);
}
.btn-primary{background:var(--c-primary-700);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--c-primary-500);transform:translateY(-1px);box-shadow:var(--shadow-2);color:#fff}
.btn-accent{background:var(--c-accent);color:#12301F}
.btn-accent:hover{background:#d5fa66;transform:translateY(-1px);color:#12301F}
.btn-ghost{border:1px solid var(--line-strong);color:var(--c-primary-700);background:transparent}
.btn-ghost:hover{background:var(--c-primary-100);border-color:var(--c-primary-500);color:var(--c-primary-900)}
.btn-block{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--c-primary-700)}
.link-arrow i{transition:transform var(--tr)}
.link-arrow:hover i{transform:translateX(3px)}

/* ---------- Breadcrumb ---------- */
.breadcrumb{padding:22px 0 6px;font-size:13px;color:var(--ink-soft);letter-spacing:.02em}
.breadcrumb a{color:var(--ink-soft)}
.breadcrumb a:hover{color:var(--c-primary-500)}
.breadcrumb span.sep{margin:0 8px;color:var(--ink-muted)}
.breadcrumb .current{color:var(--ink-soft)}

/* ---------- Article head ---------- */
.article-head{padding:18px 0 34px;border-bottom:1px solid var(--line)}
.article-head .kicker{
  display:inline-block;font-size:13px;letter-spacing:.08em;color:var(--c-primary-700);
  background:var(--c-primary-100);border-radius:6px;padding:4px 10px;margin-bottom:16px;
}
.article-title{
  margin:0 0 18px;font-size:clamp(26px,3.4vw,44px);line-height:1.25;font-weight:800;
  letter-spacing:-.01em;color:var(--ink);max-width:900px;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;font-size:13px;color:var(--ink-muted)}
.meta-row i{color:var(--c-primary-500);margin-right:6px}
.tag{display:inline-block;font-size:12px;letter-spacing:.06em;padding:3px 10px;border-radius:6px;background:var(--bg-muted);color:var(--ink-soft)}
.tag-primary{background:var(--c-primary-100);color:var(--c-primary-700)}

/* ---------- Article layout ---------- */
.article-main{padding:48px 0 72px}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:48px}
@media(min-width:1280px){
  .article-grid{grid-template-columns:220px minmax(0,760px);justify-content:center;gap:56px}
}
.article-body{
  font-size:17px;line-height:1.92;color:#22282A;max-width:760px;
}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  font-size:clamp(21px,2.2vw,27px);line-height:1.3;font-weight:700;color:var(--ink);
  margin:40px 0 12px;padding-left:14px;border-left:4px solid var(--c-primary-500);
}
.article-body h3{font-size:20px;line-height:1.35;font-weight:700;color:var(--ink);margin:32px 0 10px}
.article-body h4{font-size:17px;font-weight:700;margin:24px 0 8px}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.4em}
.article-body li{margin-bottom:8px}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;background:var(--bg-muted);
  border-left:4px solid var(--c-primary-500);border-radius:0 10px 10px 0;color:var(--ink-soft);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--radius-img);margin:24px auto}
.article-body figure{margin:24px 0}
.article-body figcaption{text-align:center;font-size:13px;color:var(--ink-muted);margin-top:8px}
.article-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.article-body th{background:var(--bg-muted);font-weight:700}
.article-body a{color:var(--c-primary-700);border-bottom:1px solid rgba(34,121,90,.35)}
.article-body a:hover{color:var(--c-primary-900);border-bottom-color:var(--c-primary-900)}
.table-wrap{overflow-x:auto;margin:20px 0}

/* ---------- TOC ---------- */
.toc{display:none}
@media(min-width:1280px){
  .toc{display:block;position:sticky;top:104px;align-self:start;font-size:14px;max-height:calc(100vh - 160px);overflow:auto}
}
.toc-title{font-size:12px;letter-spacing:.12em;color:var(--ink-muted);margin:0 0 12px;text-transform:uppercase}
.toc a{
  display:block;padding:6px 12px;color:var(--ink-soft);border-left:2px solid var(--line);
  border-radius:0 6px 6px 0;line-height:1.6;font-size:14px;
}
.toc a:hover{color:var(--c-primary-700);background:var(--bg-muted)}
.toc a.active{color:var(--c-primary-900);border-left-color:var(--c-primary-500);background:var(--c-primary-100);font-weight:600}

/* ---------- Empty state ---------- */
.empty-state{
  border:1px dashed var(--line-strong);background:var(--bg-surface);border-radius:var(--radius-card);
  padding:44px 28px;text-align:center;max-width:640px;
}
.empty-state i{font-size:26px;color:var(--ink-muted);margin-bottom:14px;display:block}
.empty-state h2{margin:0 0 10px;font-size:20px;color:var(--ink)}
.empty-state p{margin:0 0 20px;color:var(--ink-soft);font-size:15px}

/* ---------- Section base ---------- */
.section{padding:64px 0}
@media(min-width:1024px){.section{padding:88px 0}}
.section-head{margin-bottom:32px;max-width:720px}
.section-head h2{margin:0 0 12px;font-size:clamp(22px,2.4vw,32px);line-height:1.25;font-weight:800;color:var(--ink)}
.section-head p{margin:0;color:var(--ink-soft);font-size:16px}
.eyebrow{font-size:12px;letter-spacing:.14em;color:var(--c-primary-500);font-weight:700;margin:0 0 10px}

/* ---------- Cards ---------- */
.card-grid{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:640px){.card-grid{grid-template-columns:repeat(2,1fr);gap:20px}}
@media(min-width:1024px){.card-grid{grid-template-columns:repeat(3,1fr);gap:24px}}
.card{
  position:relative;background:var(--bg-surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);overflow:hidden;transition:transform var(--tr),box-shadow var(--tr);
  display:flex;flex-direction:column;
}
.card::before{
  content:"";position:absolute;top:0;left:0;height:3px;width:0;background:var(--c-accent);
  transition:width var(--tr);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.card:hover::before{width:100%}
.card-cover{aspect-ratio:16/10;overflow:hidden;background:var(--bg-muted)}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform 320ms cubic-bezier(.2,.7,.3,1)}
.card:hover .card-cover img{transform:scale(1.03)}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{margin:0;font-size:19px;line-height:1.4;font-weight:700;color:var(--ink)}
.card-body p{margin:0;font-size:15px;line-height:1.75;color:var(--ink-soft)}
.card-body .link-arrow{margin-top:auto}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;margin:0;color:#F2F4EF;overflow:hidden;
  background:var(--c-primary-900) url('/assets/images/backpic/back-2.png') center/cover no-repeat;
}
.cta-band::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(14,59,46,.94),rgba(14,59,46,.72))}
.cta-inner{position:relative;z-index:2;display:grid;gap:22px;padding:56px 0;align-items:center}
@media(min-width:900px){.cta-inner{grid-template-columns:1fr auto;padding:72px 0}}
.cta-inner h2{margin:0 0 10px;font-size:clamp(22px,2.6vw,32px);line-height:1.3;font-weight:800;color:#F2F4EF}
.cta-inner p{margin:0;color:rgba(242,244,239,.82);font-size:16px;max-width:620px}
.cta-note{font-size:13px;color:rgba(242,244,239,.7);margin-top:12px}

/* ---------- Footer ---------- */
.site-footer{background:#131715;color:#F2F4EF;margin-top:0}
.footer-cta{background:var(--c-primary-900) url('/assets/images/backpic/back-3.png') center/cover no-repeat;position:relative}
.footer-cta::after{content:"";position:absolute;inset:0;background:rgba(14,59,46,.86)}
.footer-cta-inner{
  position:relative;z-index:2;display:grid;gap:22px;padding:48px 0;align-items:center;
}
@media(min-width:900px){.footer-cta-inner{grid-template-columns:1fr auto}}
.footer-cta h2{margin:0 0 8px;font-size:clamp(20px,2.2vw,28px);line-height:1.35;font-weight:800;color:#F2F4EF}
.footer-cta p{margin:0;color:rgba(242,244,239,.8);font-size:15px;max-width:640px}
.footer-grid{
  display:grid;grid-template-columns:1fr;gap:32px;padding:52px 0 28px;
}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);gap:36px}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}}
.footer-brand .fb-main{font-size:19px;font-weight:800;color:#F2F4EF}
.footer-brand .fb-sub{font-size:11px;letter-spacing:.14em;color:rgba(242,244,239,.5);margin:4px 0 14px}
.footer-brand p{margin:0;font-size:14px;line-height:1.8;color:rgba(242,244,239,.72);max-width:340px}
.footer-col h4{margin:0 0 14px;font-size:14px;letter-spacing:.06em;color:#F2F4EF;font-weight:700}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(242,244,239,.72)}
.footer-col a:hover{color:var(--c-accent)}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:rgba(242,244,239,.72);line-height:1.7}
.footer-contact i{color:var(--c-accent);margin-top:5px}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between;align-items:center;
  padding:18px 0 26px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(242,244,239,.6);
}
@media(max-width:767px){
  .footer-grid>div{padding-bottom:24px;border-bottom:1px solid rgba(255,255,255,.12)}
  .footer-grid>div:last-child{border-bottom:0;padding-bottom:0}
}

/* ---------- Modal ---------- */
.modal{position:fixed;inset:0;z-index:120;display:none}
.modal.open{display:block}
.modal-mask{position:absolute;inset:0;background:rgba(14,20,18,.55)}
.modal-panel{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:min(92vw,480px);max-height:88vh;overflow:auto;background:var(--bg-base);
  border-radius:16px;padding:28px 26px 24px;box-shadow:0 24px 60px rgba(14,59,46,.28);
}
@media(max-width:639px){
  .modal-panel{left:0;right:0;top:auto;bottom:0;transform:none;width:100%;border-radius:16px 16px 0 0;max-height:88vh}
}
.modal-close{
  position:absolute;top:12px;right:12px;width:40px;height:40px;border-radius:10px;
  color:var(--ink-soft);font-size:17px;
}
.modal-close:hover{background:var(--bg-muted);color:var(--ink)}
.modal-panel h3{margin:0 0 8px;font-size:21px;font-weight:800;color:var(--ink)}
.modal-sub{margin:0 0 20px;font-size:14px;color:var(--ink-soft)}
.lead-form{display:flex;flex-direction:column;gap:16px}
.lead-form label{display:block;font-size:14px;font-weight:600;color:var(--ink)}
.lead-form input[type="text"],.lead-form select,.lead-form textarea{
  width:100%;margin-top:8px;padding:11px 13px;background:var(--bg-surface);
  border:1px solid var(--line);border-radius:var(--radius-input);font-size:15px;font-weight:400;
  transition:border-color var(--tr),box-shadow var(--tr);
}
.lead-form input[type="text"]:focus,.lead-form select:focus,.lead-form textarea:focus{
  outline:none;border-color:var(--c-primary-500);box-shadow:0 0 0 3px rgba(34,121,90,.15);
}
.lead-form textarea{resize:vertical;min-height:88px}
.req{color:var(--c-warn);margin-left:4px}
.checkbox{display:flex;gap:10px;align-items:flex-start;font-weight:400;font-size:13px;color:var(--ink-soft);line-height:1.7}
.checkbox input{margin-top:4px;width:16px;height:16px;accent-color:var(--c-primary-500)}
.form-note{margin:0;font-size:13px;color:var(--ink-muted)}
.form-done{
  display:none;border:1px dashed var(--line-strong);border-radius:12px;padding:18px;
  font-size:14px;color:var(--ink-soft);background:var(--bg-surface);
}
.form-done.show{display:block}

/* roulang page: category1 */
:root{
  --c-primary-900:#0E3B2E;
  --c-primary-700:#16553F;
  --c-primary-500:#22795A;
  --c-primary-100:#E3EFE8;
  --c-accent:#C6F24E;
  --c-warn:#FF5A1F;
  --bg-base:#F7F6F1;
  --bg-surface:#FFFFFF;
  --bg-muted:#EFEDE4;
  --ink:#14181A;
  --ink-soft:#5B6462;
  --ink-muted:#8B918C;
  --line:#E4E1D6;
  --line-strong:rgba(20,24,26,.12);
  --r-card:14px;
  --r-img:16px;
  --r-input:10px;
  --r-pill:999px;
  --r-tag:6px;
  --sh-1:0 1px 2px rgba(20,24,26,.05);
  --sh-2:0 10px 24px rgba(14,59,46,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
  --wrap:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--ink);
  background:var(--bg-base);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:var(--c-primary-700);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--c-primary-900);}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3,h4{line-height:1.28;font-weight:700;color:var(--ink);letter-spacing:-.01em;}
p{color:var(--ink-soft);}
:focus-visible{outline:2px solid var(--c-primary-700);outline-offset:2px;border-radius:4px;}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px;}
@media(min-width:640px){.wrap{padding:0 32px;}}
@media(min-width:1024px){.wrap{padding:0 40px;}}
.section{padding:56px 0;}
@media(min-width:1024px){.section{padding:104px 0;}}
.section-muted{background:var(--bg-muted);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;color:var(--c-primary-700);
  background:var(--c-primary-100);border-radius:var(--r-tag);
  padding:5px 12px;font-weight:600;
}
.sec-head{max-width:720px;margin-bottom:32px;}
.sec-head h2{font-size:clamp(24px,2.6vw,36px);margin-bottom:16px;}
.sec-head p{font-size:16px;line-height:1.9;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,246,241,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 18px rgba(14,59,46,.06);}
.header-inner{display:flex;align-items:center;gap:24px;height:72px;}
.brand{display:flex;flex-direction:column;gap:2px;color:var(--ink);}
.brand:hover{color:var(--c-primary-700);}
.brand-main{font-size:17px;font-weight:800;letter-spacing:.01em;white-space:nowrap;}
.brand-sub{font-size:11px;letter-spacing:.14em;color:var(--ink-muted);text-transform:uppercase;}
.nav-links{display:none;margin-left:auto;align-items:center;gap:28px;}
.nav-links a{
  position:relative;font-size:15px;color:var(--ink-soft);letter-spacing:.02em;
  padding:6px 0;transition:color .18s var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--c-primary-700);transform:scaleX(0);transform-origin:left;
  transition:transform .2s var(--ease);
}
.nav-links a:hover{color:var(--c-primary-900);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--c-primary-900);font-weight:600;}
.nav-links a.active::after{transform:scaleX(1);}
.header-cta{display:none;}
.menu-toggle{
  margin-left:auto;width:44px;height:44px;border:1px solid var(--line);
  background:var(--bg-surface);border-radius:12px;display:flex;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
  cursor:pointer;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;}
.menu-toggle:hover{border-color:var(--c-primary-500);}
@media(min-width:1024px){
  .nav-links{display:flex;}
  .header-cta{display:inline-flex;}
  .menu-toggle{display:none;}
}

/* ---------- drawer ---------- */
.drawer{
  position:fixed;inset:0;z-index:80;background:var(--bg-base);
  transform:translateX(100%);transition:transform .28s var(--ease);
  display:flex;flex-direction:column;padding:20px;
}
.drawer.is-open{transform:translateX(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);}
.drawer-close{width:44px;height:44px;border:1px solid var(--line);background:var(--bg-surface);border-radius:12px;font-size:18px;color:var(--ink);cursor:pointer;}
.drawer-links{display:flex;flex-direction:column;}
.drawer-links a{font-size:18px;padding:18px 0;border-bottom:1px solid var(--line);color:var(--ink);}
.drawer-links a.active{color:var(--c-primary-700);font-weight:600;}
.drawer-cta{margin-top:28px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{background:var(--c-primary-700);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--c-primary-500);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--c-primary-700);}
.btn-ghost:hover{background:var(--c-primary-100);color:var(--c-primary-900);}
.btn-accent{background:var(--c-accent);color:var(--c-primary-900);}
.btn-accent:hover{background:#d5f871;color:var(--c-primary-900);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--c-primary-700);}
.btn-link i{transition:transform .2s var(--ease);}
.btn-link:hover i{transform:translateX(3px);}
@media(max-width:639px){.btn{min-height:48px;}}

/* ---------- hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;border-bottom:1px solid var(--line);
  background-image:linear-gradient(100deg,rgba(14,59,46,.94) 0%,rgba(14,59,46,.80) 46%,rgba(14,59,46,.42) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  color:#F2F4EF;
}
.cat-hero .wrap{padding-top:72px;padding-bottom:72px;}
@media(min-width:1024px){.cat-hero .wrap{padding-top:112px;padding-bottom:112px;}}
.crumb{font-size:13px;color:rgba(242,244,239,.72);margin-bottom:22px;display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.crumb a{color:rgba(242,244,239,.86);}
.crumb a:hover{color:#fff;}
.crumb span.sep{color:rgba(242,244,239,.4);}
.crumb .cur{color:var(--c-accent);}
.cat-hero h1{
  color:#fff;font-size:clamp(30px,4.6vw,54px);font-weight:800;
  max-width:16em;margin-bottom:20px;letter-spacing:-.02em;
}
.cat-hero .lead{color:rgba(242,244,239,.86);font-size:17px;line-height:1.9;max-width:660px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.hero-tags span{
  font-size:13px;letter-spacing:.05em;padding:6px 14px;border-radius:var(--r-tag);
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);color:#F2F4EF;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.cat-hero .btn-ghost{border-color:rgba(255,255,255,.34);color:#fff;}
.cat-hero .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;}

/* ---------- anchor nav ---------- */
.anchor-bar{
  position:sticky;top:72px;z-index:50;
  background:rgba(247,246,241,.97);border-bottom:1px solid var(--line);
}
.anchor-inner{display:flex;gap:10px;overflow-x:auto;padding:14px 0;scrollbar-width:none;}
.anchor-inner::-webkit-scrollbar{display:none;}
.anchor-inner a{
  flex:0 0 auto;font-size:14px;color:var(--ink-soft);padding:7px 16px;
  border:1px solid var(--line);border-radius:var(--r-pill);background:var(--bg-surface);
  white-space:nowrap;transition:all .18s var(--ease);
}
.anchor-inner a:hover,.anchor-inner a.active{
  color:var(--c-primary-900);border-color:var(--c-primary-500);background:var(--c-primary-100);
}

/* ---------- alternating media blocks ---------- */
.media-block{
  display:grid;grid-template-columns:1fr;gap:28px;align-items:center;
  padding:32px;background:var(--bg-surface);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);
  transition:box-shadow .2s var(--ease),transform .2s var(--ease);
}
.media-block:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.media-block figure{margin:0;}
.media-block img{width:100%;aspect-ratio:3/2;object-fit:cover;}
.media-block h3{font-size:clamp(20px,2vw,24px);margin-bottom:14px;}
.media-block p{font-size:16px;line-height:1.9;margin-bottom:16px;}
.media-list{margin:0 0 20px;}
.media-list li{
  position:relative;padding-left:22px;font-size:15px;color:var(--ink-soft);
  line-height:1.85;margin-bottom:8px;
}
.media-list li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;
  border-radius:50%;background:var(--c-accent);
}
.media-block + .media-block{margin-top:28px;}
@media(min-width:1024px){
  .media-block{grid-template-columns:1fr 1fr;gap:56px;padding:48px;}
  .media-block.reverse .media-text{order:2;}
  .media-block.reverse figure{order:1;}
}
.pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px;}
.pill{
  font-size:13px;letter-spacing:.04em;padding:5px 12px;border-radius:var(--r-tag);
  background:var(--bg-muted);color:var(--ink-soft);
}

/* ---------- data band ---------- */
.data-band{background:var(--c-primary-900);color:#F2F4EF;}
.data-band .sec-head h2{color:#fff;}
.data-band .sec-head p{color:rgba(242,244,239,.72);}
.data-band .eyebrow{background:rgba(198,242,78,.12);color:var(--c-accent);}
.data-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
@media(min-width:1024px){.data-grid{grid-template-columns:repeat(4,1fr);gap:24px;}}
.data-card{
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-card);padding:26px 22px;
}
.data-card .num{
  font-size:clamp(34px,5vw,54px);font-weight:800;color:var(--c-accent);
  font-variant-numeric:tabular-nums;letter-spacing:.02em;line-height:1.05;
}
.data-card .num small{font-size:16px;margin-left:4px;font-weight:600;}
.data-card .lab{font-size:13px;letter-spacing:.08em;color:rgba(242,244,239,.72);margin-top:10px;}
.data-note{font-size:13px;color:rgba(242,244,239,.6);margin-top:24px;line-height:1.8;}

/* ---------- steps ---------- */
.flow{display:grid;grid-template-columns:1fr;gap:18px;}
@media(min-width:768px){.flow{grid-template-columns:repeat(3,1fr);gap:24px;}}
.flow-item{
  background:var(--bg-surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px;position:relative;overflow:hidden;box-shadow:var(--sh-1);
  transition:box-shadow .2s var(--ease),transform .2s var(--ease);
}
.flow-item::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--c-primary-500);transform:scaleX(.22);transform-origin:left;
  transition:transform .24s var(--ease);
}
.flow-item:hover{box-shadow:var(--sh-2);transform:translateY(-3px);}
.flow-item:hover::before{transform:scaleX(1);}
.flow-item .idx{
  font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--c-primary-700);
  font-variant-numeric:tabular-nums;
}
.flow-item h3{font-size:19px;margin:12px 0 10px;}
.flow-item p{font-size:15px;line-height:1.85;}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;background:none;border:0;cursor:pointer;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;font-size:17px;font-weight:600;color:var(--ink);
  transition:color .18s var(--ease);
}
.faq-q:hover{color:var(--c-primary-700);}
.faq-ico{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  border:1px solid var(--line);position:relative;transition:background .2s var(--ease),border-color .2s var(--ease);
}
.faq-ico::before,.faq-ico::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--c-primary-700);
  transform:translate(-50%,-50%);transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.faq-ico::before{width:12px;height:2px;}
.faq-ico::after{width:2px;height:12px;}
.faq-item.is-open .faq-ico{background:var(--c-primary-100);border-color:var(--c-primary-500);}
.faq-item.is-open .faq-ico::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s var(--ease);}
.faq-a-inner{padding:0 0 22px;font-size:16px;line-height:1.9;color:var(--ink-soft);max-width:760px;}

/* ---------- CTA ---------- */
.cta-panel{
  background:var(--c-primary-900);border-radius:var(--r-card);
  padding:44px 28px;color:#F2F4EF;display:grid;gap:24px;align-items:center;
}
@media(min-width:1024px){.cta-panel{grid-template-columns:1.4fr .8fr;padding:56px 48px;}}
.cta-panel h2{color:#fff;font-size:clamp(22px,2.4vw,32px);margin-bottom:14px;}
.cta-panel p{color:rgba(242,244,239,.78);font-size:15px;line-height:1.9;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.privacy-note{font-size:13px;color:var(--ink-muted);line-height:1.8;margin-top:18px;}
.privacy-note a{color:var(--c-primary-700);text-decoration:underline;text-underline-offset:3px;}

/* ---------- modal ---------- */
.modal-mask{
  position:fixed;inset:0;background:rgba(14,20,18,.55);z-index:90;
  display:flex;align-items:flex-end;justify-content:center;
  opacity:0;visibility:hidden;transition:opacity .22s var(--ease),visibility .22s var(--ease);
}
.modal-mask.is-open{opacity:1;visibility:visible;}
.modal{
  background:var(--bg-surface);width:100%;max-width:480px;
  border-radius:16px 16px 0 0;padding:26px 22px 28px;
  max-height:88vh;overflow-y:auto;transform:translateY(18px);
  transition:transform .26s var(--ease);
}
.modal-mask.is-open .modal{transform:translateY(0);}
@media(min-width:640px){
  .modal-mask{align-items:center;}
  .modal{border-radius:16px;padding:32px;}
}
.modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:20px;}
.modal-head h3{font-size:20px;}
.modal-head p{font-size:14px;margin-top:8px;line-height:1.8;}
.modal-close{
  flex:0 0 auto;width:40px;height:40px;border:1px solid var(--line);background:var(--bg-base);
  border-radius:10px;cursor:pointer;color:var(--ink);font-size:16px;
}
.modal-close:hover{border-color:var(--c-primary-500);color:var(--c-primary-700);}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px;}
.field label .req{color:var(--c-warn);margin-left:4px;}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--r-input);
  padding:11px 13px;font-size:15px;font-family:inherit;color:var(--ink);
  background:var(--bg-base);transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.field textarea{min-height:96px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary-500);box-shadow:0 0 0 3px rgba(34,121,90,.15);
}
.check-row{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--ink-soft);line-height:1.75;}
.check-row input{width:16px;height:16px;margin-top:4px;flex:0 0 auto;}
.modal-submit{width:100%;margin-top:8px;}
@media(min-width:640px){.modal-submit{width:auto;margin-left:auto;display:flex;}}
.form-foot{display:flex;flex-direction:column;gap:12px;}
.form-status{font-size:13px;color:var(--c-primary-700);min-height:18px;}

/* ---------- footer ---------- */
.site-footer{background:var(--c-primary-900);color:#F2F4EF;margin-top:0;}
.footer-cta{border-bottom:1px solid rgba(255,255,255,.12);}
.footer-cta-inner{
  display:grid;gap:22px;padding:44px 0;align-items:center;
}
@media(min-width:1024px){.footer-cta-inner{grid-template-columns:1.5fr .5fr;padding:56px 0;}}
.footer-cta h2{color:#fff;font-size:clamp(22px,2.4vw,30px);margin-bottom:12px;}
.footer-cta p{color:rgba(242,244,239,.76);font-size:15px;line-height:1.9;max-width:640px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:28px;padding:44px 0 32px;}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}}
.footer-brand .fb-main{font-size:18px;font-weight:800;color:#fff;}
.footer-brand .fb-sub{font-size:11px;letter-spacing:.14em;color:rgba(242,244,239,.55);margin:6px 0 14px;}
.footer-brand p{color:rgba(242,244,239,.72);font-size:14px;line-height:1.9;max-width:340px;}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:14px;letter-spacing:.04em;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{font-size:14px;color:rgba(242,244,239,.74);}
.footer-col ul a:hover{color:var(--c-accent);}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:rgba(242,244,239,.74);line-height:1.8;margin-bottom:12px;}
.footer-contact i{color:var(--c-accent);margin-top:5px;font-size:13px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 34px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(242,244,239,.6);
}
@media(max-width:767px){
  .footer-col{border-top:1px solid rgba(255,255,255,.12);padding-top:22px;}
}

/* roulang page: category2 */
:root{
  --c-primary-900:#0E3B2E;
  --c-primary-700:#16553F;
  --c-primary-500:#22795A;
  --c-primary-100:#E3EFE8;
  --c-accent:#C6F24E;
  --c-warn:#FF5A1F;
  --bg-base:#F7F6F1;
  --bg-surface:#FFFFFF;
  --bg-muted:#EFEDE4;
  --ink:#14181A;
  --ink-soft:#5B6462;
  --ink-muted:#8B918C;
  --line:#E4E1D6;
  --line-strong:rgba(20,24,26,.12);
  --r-card:14px;
  --r-img:16px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(20,24,26,.05);
  --sh-2:0 10px 24px rgba(14,59,46,.10);
  --t:200ms cubic-bezier(.2,.7,.3,1);
  --header-h:72px;
  --maxw:1240px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--bg-base);
  color:var(--ink);
  font-size:16px;
  line-height:1.88;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-primary-500);outline-offset:2px;border-radius:4px;}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px;}
@media (min-width:640px){.wrap{padding:0 32px;}}
@media (min-width:1024px){.wrap{padding:0 40px;}}

.num{font-variant-numeric:tabular-nums;letter-spacing:.02em;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,246,241,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t),background var(--t);
}
.site-header.is-scrolled{box-shadow:0 1px 12px rgba(20,24,26,.07);}
.header-inner{
  min-height:var(--header-h);
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{display:flex;flex-direction:column;gap:2px;padding:10px 0;}
.brand-main{font-size:17px;font-weight:800;color:var(--c-primary-900);letter-spacing:.01em;line-height:1.2;}
.brand-sub{font-size:11px;letter-spacing:.14em;color:var(--ink-muted);line-height:1;}

.nav-links{display:none;}
@media (min-width:1024px){
  .nav-links{display:flex;align-items:center;gap:30px;}
}
.nav-links a{
  position:relative;
  font-size:15px;color:var(--ink-soft);
  padding:6px 0;letter-spacing:.02em;
  transition:color var(--t);
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--c-primary-700);transform:scaleX(0);transform-origin:left;
  transition:transform var(--t);border-radius:2px;
}
.nav-links a:hover{color:var(--c-primary-900);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--c-primary-900);font-weight:600;}
.nav-links a.active::after{transform:scaleX(1);}

.header-actions{display:flex;align-items:center;gap:12px;}
.nav-cta{display:none;}
@media (min-width:1024px){.nav-cta{display:inline-flex;}}

.nav-toggle{
  width:44px;height:44px;border:1px solid var(--line-strong);border-radius:10px;
  background:var(--bg-surface);display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:background var(--t),border-color var(--t);
}
.nav-toggle:hover{background:var(--c-primary-100);border-color:var(--c-primary-500);}
@media (min-width:1024px){.nav-toggle{display:none;}}

/* ---------- drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(14,20,18,.45);
  opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);z-index:80;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(360px,88vw);
  background:var(--bg-base);z-index:90;
  transform:translateX(102%);transition:transform 260ms cubic-bezier(.2,.7,.3,1);
  display:flex;flex-direction:column;padding:20px;
  border-left:1px solid var(--line);
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-bottom:18px;border-bottom:1px solid var(--line);}
.drawer-close{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line-strong);
  background:var(--bg-surface);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;
  transition:background var(--t);
}
.drawer-close:hover{background:var(--c-primary-100);}
.drawer-nav{display:flex;flex-direction:column;margin-top:8px;}
.drawer-nav a{
  font-size:18px;padding:16px 4px;border-bottom:1px solid var(--line);color:var(--ink-soft);
  transition:color var(--t),padding-left var(--t);
}
.drawer-nav a:hover{color:var(--c-primary-900);padding-left:10px;}
.drawer-nav a.active{color:var(--c-primary-900);font-weight:600;}
.drawer-btn{margin-top:auto;width:100%;justify-content:center;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.02em;
  border:1px solid transparent;cursor:pointer;
  transition:background var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
}
.btn-primary{background:var(--c-primary-700);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--c-primary-500);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-ghost{background:transparent;color:var(--c-primary-900);border-color:var(--line-strong);}
.btn-ghost:hover{background:var(--c-primary-100);border-color:var(--c-primary-500);}
.btn-accent{background:var(--c-accent);color:#12261C;box-shadow:var(--sh-1);}
.btn-accent:hover{filter:brightness(1.04);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--c-primary-700);
  font-size:15px;font-weight:600;min-height:34px;
}
.btn-link i{transition:transform var(--t);}
.btn-link:hover i{transform:translateX(3px);}
@media (max-width:520px){.btn{width:100%;}}

/* ---------- badges / tags ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;border-radius:6px;font-size:12px;letter-spacing:.06em;
  background:var(--c-primary-100);color:var(--c-primary-700);font-weight:600;
}
.tag-muted{background:var(--bg-muted);color:var(--ink-soft);}

/* ---------- hero ---------- */
.hero{position:relative;padding:56px 0 64px;overflow:hidden;}
.hero::before{
  content:"";position:absolute;top:0;right:0;width:42%;height:100%;
  background:var(--bg-muted);clip-path:polygon(22% 0,100% 0,100% 100%,0 100%);
  opacity:.55;pointer-events:none;
}
.hero-grid{position:relative;display:grid;gap:36px;}
@media (min-width:1024px){
  .hero{padding:84px 0 96px;}
  .hero-grid{grid-template-columns:1.02fr .98fr;gap:56px;align-items:center;min-height:70vh;}
}
.hero h1{
  font-size:clamp(30px,4.6vw,52px);
  font-weight:800;color:var(--c-primary-900);margin:18px 0 0;line-height:1.2;
}
.hero-lead{
  margin-top:20px;max-width:660px;font-size:17px;color:var(--ink-soft);line-height:1.9;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;
  padding-top:22px;border-top:1px solid var(--line);
}
.hero-figure{position:relative;}
.hero-figure img{
  width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:var(--r-img);
  box-shadow:var(--sh-2);
}
.hero-figure::after{
  content:"";position:absolute;left:-14px;bottom:-14px;width:96px;height:96px;
  background:var(--c-accent);border-radius:12px;z-index:-1;
}
.hero-note{
  margin-top:14px;font-size:13px;color:var(--ink-muted);letter-spacing:.04em;
}

/* ---------- anchor nav ---------- */
.anchor-bar{
  position:sticky;top:var(--header-h);z-index:40;
  background:rgba(247,246,241,.94);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  backdrop-filter:saturate(1.1);
}
.anchor-inner{display:flex;gap:8px;overflow-x:auto;padding:12px 0;scrollbar-width:none;}
.anchor-inner::-webkit-scrollbar{display:none;}
.anchor-inner a{
  flex:0 0 auto;font-size:14px;color:var(--ink-soft);
  padding:7px 14px;border-radius:999px;border:1px solid transparent;
  transition:color var(--t),background var(--t),border-color var(--t);
  white-space:nowrap;
}
.anchor-inner a:hover{background:var(--bg-muted);color:var(--c-primary-900);}
.anchor-inner a.is-active{
  color:var(--c-primary-900);font-weight:600;
  border-color:var(--c-primary-500);background:var(--c-primary-100);
}

/* ---------- sections ---------- */
.section{padding:56px 0;}
@media (min-width:1024px){.section{padding:96px 0;}}
.section-muted{background:var(--bg-muted);}
.section-head{max-width:760px;}
.section-head h2{font-size:clamp(24px,2.6vw,36px);color:var(--c-primary-900);}
.section-head p{margin-top:16px;color:var(--ink-soft);font-size:16.5px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.1em;color:var(--c-primary-700);font-weight:600;
}
.eyebrow::before{content:"";width:22px;height:3px;background:var(--c-accent);border-radius:2px;}

/* ---------- prep cards ---------- */
.prep-grid{display:grid;gap:16px;margin-top:36px;}
@media (min-width:640px){.prep-grid{grid-template-columns:repeat(2,1fr);gap:20px;}}
@media (min-width:1024px){.prep-grid{grid-template-columns:repeat(3,1fr);gap:24px;}}
.card{
  position:relative;background:var(--bg-surface);border:1px solid var(--line);
  border-radius:var(--r-card);padding:26px 24px 24px;box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
  overflow:hidden;
}
.card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--c-accent);transform:scaleX(0);transform-origin:left;
  transition:transform var(--t);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--line-strong);}
.card:hover::before{transform:scaleX(1);}
.card-icon{
  width:42px;height:42px;border-radius:12px;background:var(--c-primary-100);
  color:var(--c-primary-700);display:inline-flex;align-items:center;justify-content:center;
  font-size:17px;margin-bottom:18px;
}
.card h3{font-size:19px;color:var(--ink);}
.card p{margin-top:12px;font-size:15.5px;color:var(--ink-soft);line-height:1.85;}
.card-list{margin-top:14px;display:flex;flex-direction:column;gap:8px;}
.card-list li{position:relative;padding-left:16px;font-size:14.5px;color:var(--ink-soft);line-height:1.7;}
.card-list li::before{
  content:"";position:absolute;left:0;top:.72em;width:5px;height:5px;border-radius:50%;
  background:var(--c-primary-500);
}

/* ---------- timeline ---------- */
.timeline{position:relative;margin-top:40px;padding-left:34px;}
.timeline::before{
  content:"";position:absolute;left:11px;top:10px;bottom:26px;width:3px;
  background:linear-gradient(180deg,var(--c-primary-700),var(--c-primary-100));
  border-radius:3px;
}
@media (min-width:640px){.timeline{padding-left:52px;}.timeline::before{left:17px;}}
.step{position:relative;padding-bottom:28px;}
.step:last-child{padding-bottom:0;}
.step-dot{
  position:absolute;left:-34px;top:22px;width:24px;height:24px;border-radius:50%;
  background:var(--bg-surface);border:2px solid var(--c-primary-700);
  color:var(--c-primary-900);font-size:11px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;z-index:1;
  transition:background var(--t),color var(--t),transform var(--t);
}
@media (min-width:640px){.step-dot{left:-52px;}}
.step-body{
  background:var(--bg-surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 22px;box-shadow:var(--sh-1);
  transition:box-shadow var(--t),transform var(--t),border-color var(--t);
}
.step-body:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:var(--line-strong);}
.step:hover .step-dot{background:var(--c-primary-700);color:#fff;transform:scale(1.06);}
.step-top{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:12px;}
.step-body h3{font-size:19px;color:var(--c-primary-900);}
.step-body > p{margin-top:8px;font-size:15.5px;color:var(--ink-soft);}
.step-points{margin-top:16px;padding-top:16px;border-top:1px dashed var(--line);display:grid;gap:8px;}
.step-points li{
  display:flex;gap:10px;font-size:14.5px;color:var(--ink-soft);line-height:1.7;
}
.step-points li i{color:var(--c-primary-500);font-size:12px;margin-top:.52em;flex:0 0 auto;}

/* ---------- quick actions ---------- */
.split{display:grid;gap:32px;margin-top:36px;}
@media (min-width:1024px){.split{grid-template-columns:.9fr 1.1fr;gap:56px;align-items:start;}}
.figure-block img{
  width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:var(--r-img);box-shadow:var(--sh-1);
}
.figure-block figcaption{margin-top:14px;font-size:13px;color:var(--ink-muted);}
.quick-list{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;}
@media (min-width:640px){.quick-list{grid-template-columns:repeat(2,1fr);}}
.quick-item{
  background:var(--bg-surface);padding:20px;display:flex;gap:14px;align-items:flex-start;
  transition:background var(--t);
}
.quick-item:hover{background:var(--c-primary-100);}
.quick-item i{color:var(--c-primary-700);font-size:15px;margin-top:.4em;flex:0 0 auto;}
.quick-item h4{font-size:16px;color:var(--ink);}
.quick-item p{margin-top:6px;font-size:14px;color:var(--ink-soft);line-height:1.7;}

/* ---------- data band ---------- */
.data-band{background:var(--c-primary-900);color:#F2F4EF;padding:64px 0;}
@media (min-width:1024px){.data-band{padding:88px 0;}}
.data-band .eyebrow{color:var(--c-accent);}
.data-band .eyebrow::before{background:var(--c-accent);}
.data-band h2{color:#F2F4EF;font-size:clamp(24px,2.6vw,34px);margin-top:16px;}
.data-band .band-lead{margin-top:16px;color:rgba(242,244,239,.75);max-width:720px;font-size:16px;}
.data-grid{display:grid;gap:1px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.12);border-radius:var(--r-card);overflow:hidden;margin-top:40px;}
@media (min-width:640px){.data-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.data-grid{grid-template-columns:repeat(4,1fr);}}
.data-cell{background:var(--c-primary-900);padding:28px 24px;}
.data-cell .value{
  font-size:clamp(38px,5vw,56px);line-height:1.05;font-weight:800;
  color:var(--c-accent);font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.data-cell .value span{font-size:.5em;margin-left:4px;font-weight:600;}
.data-cell .label{margin-top:10px;font-size:13px;letter-spacing:.08em;color:rgba(242,244,239,.78);}
.data-note{margin-top:20px;font-size:13px;color:rgba(242,244,239,.6);}

/* ---------- faq ---------- */
.faq-list{margin-top:36px;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;background:none;border:0;cursor:pointer;text-align:left;
  padding:22px 0;display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  font-size:17px;font-weight:600;color:var(--ink);line-height:1.6;
  transition:color var(--t);
}
.faq-q:hover{color:var(--c-primary-700);}
.faq-q .sign{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line-strong);color:var(--c-primary-700);
  display:inline-flex;align-items:center;justify-content:center;font-size:12px;
  transition:transform 220ms cubic-bezier(.2,.7,.3,1),background var(--t),border-color var(--t);
}
.faq-item.is-open .sign{transform:rotate(180deg);background:var(--c-primary-100);border-color:var(--c-primary-500);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 220ms cubic-bezier(.2,.7,.3,1);}
.faq-a-inner{padding:0 0 24px;max-width:760px;font-size:15.5px;color:var(--ink-soft);line-height:1.9;}

/* ---------- cta ---------- */
.cta-band{
  background:var(--bg-muted);border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:56px 0;
}
@media (min-width:1024px){.cta-band{padding:80px 0;}}
.cta-inner{display:grid;gap:26px;}
@media (min-width:1024px){.cta-inner{grid-template-columns:1.4fr .6fr;align-items:center;gap:48px;}}
.cta-inner h2{font-size:clamp(23px,2.4vw,32px);color:var(--c-primary-900);}
.cta-inner p{margin-top:14px;color:var(--ink-soft);font-size:16px;max-width:640px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.privacy-note{margin-top:22px;font-size:13px;color:var(--ink-muted);line-height:1.8;}
.privacy-note a{color:var(--c-primary-700);text-decoration:underline;text-underline-offset:3px;}

/* ---------- modal ---------- */
.modal-mask{
  position:fixed;inset:0;background:rgba(14,20,18,.55);z-index:120;
  display:flex;align-items:flex-end;justify-content:center;
  opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);
  padding:0;
}
@media (min-width:640px){.modal-mask{align-items:center;padding:24px;}}
.modal-mask.is-open{opacity:1;visibility:visible;}
.modal-panel{
  width:100%;max-width:480px;background:var(--bg-base);border-radius:16px 16px 0 0;
  padding:24px;transform:translateY(24px);transition:transform 220ms cubic-bezier(.2,.7,.3,1);
  max-height:88vh;overflow-y:auto;
}
@media (min-width:640px){.modal-panel{border-radius:16px;transform:translateY(10px);}}
.modal-mask.is-open .modal-panel{transform:translateY(0);}
.modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:20px;}
.modal-head h3{font-size:20px;color:var(--c-primary-900);}
.modal-head p{margin-top:8px;font-size:14px;color:var(--ink-soft);}
.modal-close{
  flex:0 0 auto;width:40px;height:40px;border-radius:10px;border:1px solid var(--line-strong);
  background:var(--bg-surface);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;
  transition:background var(--t);
}
.modal-close:hover{background:var(--c-primary-100);}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px;}
.field label .req{color:var(--c-warn);margin-left:4px;}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:var(--r-input);
  background:var(--bg-surface);font-size:15px;line-height:1.6;
  transition:border-color var(--t),box-shadow var(--t);
}
.field textarea{resize:vertical;min-height:96px;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary-500);box-shadow:0 0 0 3px rgba(34,121,90,.15);
}
.check{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--ink-soft);line-height:1.7;}
.check input{margin-top:3px;width:16px;height:16px;flex:0 0 auto;accent-color:var(--c-primary-700);}
.check a{color:var(--c-primary-700);text-decoration:underline;text-underline-offset:3px;}
.modal-submit{width:100%;margin-top:20px;}
.form-feedback{
  margin-top:16px;font-size:13.5px;color:var(--c-primary-700);
  background:var(--c-primary-100);border-radius:10px;padding:12px 14px;display:none;
}
.form-feedback.is-visible{display:block;}

/* ---------- footer ---------- */
.site-footer{background:#131715;color:#F2F4EF;margin-top:0;}
.footer-cta{background:var(--c-primary-900);border-bottom:1px solid rgba(255,255,255,.12);}
.footer-cta-inner{
  padding:52px 0;display:grid;gap:22px;
}
@media (min-width:1024px){
  .footer-cta-inner{grid-template-columns:1.5fr .5fr;align-items:center;padding:64px 0;gap:40px;}
}
.footer-cta h2{font-size:clamp(22px,2.3vw,30px);color:#F2F4EF;}
.footer-cta p{margin-top:12px;color:rgba(242,244,239,.75);font-size:15px;max-width:660px;}
.footer-grid{
  display:grid;gap:32px;padding:52px 0 40px;
}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding:72px 0 56px;}}
.footer-brand .fb-main{font-size:17px;font-weight:800;color:#F2F4EF;}
.footer-brand .fb-sub{font-size:11px;letter-spacing:.14em;color:rgba(242,244,239,.5);margin-top:4px;}
.footer-brand p{margin-top:16px;font-size:14px;color:rgba(242,244,239,.68);line-height:1.85;max-width:340px;}
.footer-col h4{font-size:14px;letter-spacing:.06em;color:#F2F4EF;font-weight:700;}
.footer-col ul{margin-top:16px;display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:rgba(242,244,239,.68);transition:color var(--t),padding-left var(--t);}
.footer-col a:hover{color:var(--c-accent);padding-left:4px;}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:rgba(242,244,239,.68);line-height:1.7;}
.footer-contact i{color:var(--c-accent);font-size:13px;margin-top:.42em;flex:0 0 auto;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  padding:20px 0 32px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(242,244,239,.55);letter-spacing:.03em;
}
@media (max-width:520px){.footer-bottom{flex-direction:column;}}

/* roulang page: category3 */
:root{
  --c-primary-900:#0E3B2E;
  --c-primary-700:#16553F;
  --c-primary-500:#22795A;
  --c-primary-100:#E3EFE8;
  --c-accent:#C6F24E;
  --c-warn:#FF5A1F;
  --bg-base:#F7F6F1;
  --bg-surface:#FFFFFF;
  --bg-muted:#EFEDE4;
  --ink:#14181A;
  --ink-soft:#5B6462;
  --ink-muted:#8B918C;
  --line:#E4E1D6;
  --line-strong:rgba(20,24,26,.12);
  --dark:#131715;
  --radius-card:14px;
  --radius-img:16px;
  --radius-input:10px;
  --shadow-1:0 1px 2px rgba(20,24,26,.05);
  --shadow-2:0 10px 24px rgba(14,59,46,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
  --header-h:72px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:150px;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg-base);
  color:var(--ink);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease);}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}

.wrap{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 20px;
}
@media(min-width:640px){.wrap{padding:0 32px;}}
@media(min-width:1024px){.wrap{padding:0 40px;}}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(247,246,241,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 2px 14px rgba(20,24,26,.06);}
.header-inner{
  height:var(--header-h);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.brand{display:flex;flex-direction:column;gap:2px;flex-shrink:0;}
.brand-main{font-size:18px;font-weight:800;letter-spacing:.02em;color:var(--c-primary-900);line-height:1.15;}
.brand-sub{font-size:10px;letter-spacing:.18em;color:var(--ink-muted);text-transform:uppercase;}

.nav-links{display:flex;align-items:center;gap:28px;}
.nav-links a{
  position:relative;
  font-size:15px;
  letter-spacing:.02em;
  color:var(--ink-soft);
  padding:6px 0;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  background:var(--c-primary-700);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .2s var(--ease);
}
.nav-links a:hover{color:var(--c-primary-900);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--c-primary-900);font-weight:600;}
.nav-links a.active::after{transform:scaleX(1);}

.header-actions{display:flex;align-items:center;gap:12px;}
.menu-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  border:1px solid var(--line-strong);
  background:var(--bg-surface);
  border-radius:12px;
  cursor:pointer;
  font-size:17px;
  color:var(--c-primary-900);
  position:relative;
  z-index:90;
}
.menu-toggle .close-icon{display:none;}
body.nav-open .menu-toggle .menu-icon{display:none;}
body.nav-open .menu-toggle .close-icon{display:inline-block;}

@media(max-width:1023px){
  .menu-toggle{display:inline-flex;}
  .nav-links{
    position:fixed;
    top:0;right:0;bottom:0;
    width:84%;
    max-width:360px;
    background:var(--bg-base);
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:96px 28px 40px;
    transform:translateX(102%);
    transition:transform .24s var(--ease);
    box-shadow:-18px 0 44px rgba(14,59,46,.14);
    z-index:85;
    overflow-y:auto;
  }
  body.nav-open .nav-links{transform:translateX(0);}
  .nav-links a{
    font-size:18px;
    padding:16px 0;
    border-bottom:1px solid var(--line);
    color:var(--ink);
  }
  .nav-links a::after{display:none;}
  .nav-links a.active{color:var(--c-primary-700);border-bottom-color:var(--c-primary-100);}
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  letter-spacing:.02em;
  cursor:pointer;
  transition:all .2s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--c-primary-700);color:#fff;}
.btn-primary:hover{background:var(--c-primary-500);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--c-primary-700);}
.btn-ghost:hover{background:var(--c-primary-100);border-color:var(--c-primary-100);}
.btn-accent{background:var(--c-accent);color:var(--c-primary-900);}
.btn-accent:hover{transform:translateY(-1px);box-shadow:0 10px 24px rgba(198,242,78,.28);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--c-primary-500);
  outline-offset:2px;
}

/* ---------- hero ---------- */
.hero-cat{
  padding:64px 0 56px;
  border-bottom:1px solid var(--line);
  background:
    linear-gradient(180deg,rgba(227,239,232,.55),rgba(247,246,241,0) 68%);
}
.hero-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:36px;
  align-items:center;
}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 12px;
  border-radius:6px;
  background:var(--c-primary-100);
  color:var(--c-primary-700);
  font-size:13px;
  font-weight:600;
  letter-spacing:.06em;
  margin-bottom:20px;
}
.hero-badge i{color:var(--c-primary-500);}
.hero-copy h1{
  font-size:clamp(30px,4.6vw,50px);
  font-weight:800;
  color:var(--c-primary-900);
  letter-spacing:-.01em;
}
.hero-lead{
  margin-top:18px;
  font-size:17px;
  line-height:1.9;
  color:var(--ink-soft);
  max-width:660px;
}
.hero-cta{margin-top:28px;display:flex;flex-wrap:wrap;gap:12px;}
.hero-points{
  margin-top:30px;
  display:grid;
  grid-template-columns:1fr;
  gap:12px;
  max-width:640px;
}
.hero-points li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:15px;
  color:var(--ink-soft);
}
.hero-points i{color:var(--c-primary-500);margin-top:7px;font-size:13px;}
.hero-figure{
  margin:0;
  border-radius:var(--radius-img);
  overflow:hidden;
  box-shadow:var(--shadow-2);
  position:relative;
  background:var(--bg-muted);
}
.hero-figure img{width:100%;aspect-ratio:3/2;object-fit:cover;}
.hero-figure figcaption{
  position:absolute;
  left:0;right:0;bottom:0;
  padding:14px 18px;
  font-size:13px;
  color:#F2F4EF;
  background:linear-gradient(0deg,rgba(14,59,46,.86),rgba(14,59,46,0));
}
@media(min-width:1024px){
  .hero-cat{padding:88px 0 76px;}
  .hero-grid{grid-template-columns:1.05fr .95fr;gap:56px;}
  .hero-points{grid-template-columns:1fr 1fr;gap:12px 24px;}
}

/* ---------- anchor bar ---------- */
.anchor-bar{
  position:sticky;
  top:var(--header-h);
  z-index:60;
  background:rgba(247,246,241,.97);
  border-bottom:1px solid var(--line);
}
.anchor-inner{
  display:flex;
  gap:8px;
  overflow-x:auto;
  padding-top:12px;
  padding-bottom:12px;
  scrollbar-width:none;
}
.anchor-inner::-webkit-scrollbar{display:none;}
.anchor-inner a{
  flex:0 0 auto;
  padding:8px 16px;
  border-radius:999px;
  border:1px solid var(--line);
  font-size:14px;
  color:var(--ink-soft);
  background:var(--bg-surface);
}
.anchor-inner a:hover{border-color:var(--c-primary-500);color:var(--c-primary-700);}
.anchor-inner a.active{
  border-color:var(--c-primary-100);
  background:var(--c-primary-100);
  color:var(--c-primary-900);
  font-weight:600;
}

/* ---------- section ---------- */
.section{padding:64px 0;}
.section-muted{background:var(--bg-muted);}
.section-dark{background:var(--c-primary-900);color:#F2F4EF;}
@media(min-width:1024px){.section{padding:100px 0;}}
.section-head{max-width:760px;margin-bottom:40px;}
.eyebrow{
  display:inline-block;
  font-size:13px;
  letter-spacing:.14em;
  color:var(--c-primary-500);
  font-weight:600;
  margin-bottom:14px;
}
.section-head h2{
  font-size:clamp(24px,2.6vw,34px);
  color:var(--c-primary-900);
}
.section-head p{margin-top:16px;color:var(--ink-soft);font-size:16.5px;}
.section-dark .section-head h2{color:#F2F4EF;}
.section-dark .section-head p{color:rgba(242,244,239,.72);}
.section-dark .eyebrow{color:var(--c-accent);}

/* ---------- tile grid ---------- */
.tile-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:16px;
}
.tile{
  position:relative;
  background:var(--bg-surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:28px 24px;
  box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  overflow:hidden;
}
.tile::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:3px;
  background:var(--c-accent);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .22s var(--ease);
}
.tile:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--c-primary-100);}
.tile:hover::before{transform:scaleX(1);}
.tile-num{
  display:inline-block;
  font-size:12px;
  letter-spacing:.12em;
  color:var(--ink-muted);
  font-weight:600;
  margin-bottom:14px;
  font-variant-numeric:tabular-nums;
}
.tile h3{font-size:19px;color:var(--c-primary-900);}
.tile p{margin-top:12px;font-size:15.5px;color:var(--ink-soft);line-height:1.9;}
.tile-list{margin-top:16px;display:grid;gap:10px;}
.tile-list li{display:flex;gap:10px;font-size:15px;color:var(--ink-soft);}
.tile-list i{color:var(--c-primary-500);margin-top:7px;font-size:12px;}
.tile-figure{margin:0 0 20px;border-radius:var(--radius-img);overflow:hidden;}
.tile-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.tile-tag{
  display:inline-block;
  margin-top:18px;
  padding:4px 10px;
  border-radius:6px;
  background:var(--bg-muted);
  font-size:12.5px;
  color:var(--ink-soft);
  letter-spacing:.04em;
}
@media(min-width:768px){
  .tile-grid{grid-template-columns:repeat(6,1fr);gap:20px;}
  .tile-lg{grid-column:span 3;}
  .tile-sm{grid-column:span 3;}
}
@media(min-width:1024px){
  .tile-grid{gap:24px;}
  .tile-lg{grid-column:span 4;}
  .tile-sm{grid-column:span 2;}
  .tile-wide{grid-column:span 4;}
}

/* ---------- table ---------- */
.table-wrap{
  overflow-x:auto;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:var(--bg-surface);
  box-shadow:var(--shadow-1);
}
.cmp-table{
  width:100%;
  min-width:780px;
  border-collapse:collapse;
  font-size:15px;
}
.cmp-table thead th{
  background:var(--c-primary-100);
  color:var(--c-primary-900);
  text-align:left;
  font-weight:700;
  font-size:14px;
  letter-spacing:.04em;
  padding:16px 20px;
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
.cmp-table tbody td{
  padding:18px 20px;
  border-bottom:1px solid var(--line);
  vertical-align:top;
  color:var(--ink-soft);
  line-height:1.85;
}
.cmp-table tbody tr:last-child td{border-bottom:none;}
.cmp-table tbody tr:hover{background:rgba(227,239,232,.42);}
.cmp-table tbody td:first-child{color:var(--ink);font-weight:600;}
.tag-code{
  display:inline-block;
  padding:3px 9px;
  border-radius:6px;
  background:var(--bg-muted);
  color:var(--ink-soft);
  font-size:12.5px;
  letter-spacing:.06em;
  font-variant-numeric:tabular-nums;
  white-space:nowrap;
}
.table-note{margin-top:16px;font-size:13.5px;color:var(--ink-muted);}

/* ---------- stats ---------- */
.stats{background:var(--c-primary-900);position:relative;overflow:hidden;}
.stats::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  opacity:.12;
  pointer-events:none;
}
.stats .wrap{position:relative;z-index:2;}
.stat-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
  margin-top:8px;
}
.stat-card{
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius-card);
  padding:26px 24px;
  background:rgba(255,255,255,.03);
}
.stat-value{
  font-size:clamp(38px,5vw,56px);
  font-weight:800;
  color:var(--c-accent);
  line-height:1.1;
  letter-spacing:.02em;
  font-variant-numeric:tabular-nums;
}
.stat-value small{font-size:16px;font-weight:600;margin-left:6px;letter-spacing:.04em;color:rgba(198,242,78,.85);}
.stat-label{
  margin-top:12px;
  font-size:13px;
  letter-spacing:.08em;
  color:rgba(242,244,239,.78);
}
.stat-label + p{margin-top:8px;font-size:14px;color:rgba(242,244,239,.6);line-height:1.8;}
.stat-note{margin-top:28px;font-size:13.5px;color:rgba(242,244,239,.6);}
@media(min-width:640px){.stat-grid{grid-template-columns:repeat(2,1fr);gap:24px;}}
@media(min-width:1024px){.stat-grid{grid-template-columns:repeat(4,1fr);}}

/* ---------- faq ---------- */
.faq-list{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:20px;
  padding:22px 0;
  background:none;
  border:none;
  text-align:left;
  cursor:pointer;
  font-size:17px;
  font-weight:600;
  color:var(--c-primary-900);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--c-primary-500);}
.faq-q i{
  flex:0 0 auto;
  width:28px;height:28px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:999px;
  border:1px solid var(--line);
  font-size:12px;
  color:var(--c-primary-700);
  transition:transform .22s var(--ease),background-color .22s var(--ease);
}
.faq-item.is-open .faq-q i{transform:rotate(45deg);background:var(--c-primary-100);border-color:var(--c-primary-100);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .22s var(--ease);
}
.faq-a p{
  padding:0 0 24px;
  max-width:760px;
  font-size:16px;
  line-height:1.9;
  color:var(--ink-soft);
}

/* ---------- cta ---------- */
.cta-band{
  background:var(--c-primary-900);
  color:#F2F4EF;
  border-radius:var(--radius-card);
  padding:40px 28px;
  display:grid;
  gap:24px;
  align-items:center;
}
.cta-band h2{font-size:clamp(22px,2.4vw,30px);color:#F2F4EF;max-width:560px;}
.cta-band p{margin-top:12px;font-size:15.5px;color:rgba(242,244,239,.74);max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.28);color:#F2F4EF;}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.4);}
@media(min-width:1024px){
  .cta-band{grid-template-columns:1.4fr .6fr;padding:56px 48px;gap:32px;}
  .cta-actions{justify-content:flex-end;}
}
.privacy-note{
  margin-top:18px;
  font-size:13px;
  color:var(--ink-muted);
  line-height:1.8;
}
.privacy-note a{color:var(--c-primary-700);border-bottom:1px solid var(--c-primary-100);}
.privacy-note a:hover{border-bottom-color:var(--c-primary-500);}

/* ---------- modal ---------- */
.modal-mask{
  position:fixed;
  inset:0;
  z-index:120;
  background:rgba(14,20,18,.55);
  display:none;
  align-items:center;
  justify-content:center;
  padding:20px;
}
.modal-mask.is-open{display:flex;}
.modal-panel{
  position:relative;
  width:100%;
  max-width:480px;
  max-height:92vh;
  overflow-y:auto;
  background:var(--bg-base);
  border-radius:16px;
  padding:32px 26px 26px;
  box-shadow:0 30px 60px rgba(14,59,46,.28);
}
.modal-close{
  position:absolute;
  top:10px;right:10px;
  width:40px;height:40px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border:none;
  background:transparent;
  border-radius:999px;
  font-size:18px;
  color:var(--ink-muted);
  cursor:pointer;
  transition:background-color .2s var(--ease),color .2s var(--ease);
}
.modal-close:hover{background:var(--bg-muted);color:var(--ink);}
.modal-panel h3{font-size:21px;color:var(--c-primary-900);}
.modal-sub{margin-top:10px;font-size:14.5px;color:var(--ink-soft);line-height:1.8;}
.form-grid{margin-top:22px;display:grid;gap:16px;}
.field{display:grid;gap:8px;}
.field label{font-size:14px;font-weight:600;color:var(--ink);}
.field label .req{color:var(--c-warn);margin-left:4px;}
.field input,.field select,.field textarea{
  width:100%;
  padding:12px 14px;
  border:1px solid var(--line);
  border-radius:var(--radius-input);
  background:var(--bg-surface);
  font-size:15px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{min-height:96px;resize:vertical;line-height:1.8;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--c-primary-500);
  box-shadow:0 0 0 3px rgba(34,121,90,.15);
}
.check{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:13px;
  color:var(--ink-soft);
  line-height:1.75;
}
.check input{width:16px;height:16px;margin-top:4px;flex:0 0 auto;accent-color:var(--c-primary-700);}
.form-submit{margin-top:6px;width:100%;}
.form-result{
  margin-top:18px;
  padding:14px 16px;
  border:1px solid var(--line);
  border-radius:var(--radius-input);
  background:var(--bg-muted);
  font-size:14px;
  color:var(--ink-soft);
  display:none;
}
.form-result.is-visible{display:block;}
.modal-foot{
  margin-top:16px;
  padding-top:14px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--ink-muted);
  line-height:1.8;
}
.modal-foot a{color:var(--c-primary-700);border-bottom:1px solid var(--c-primary-100);}
@media(max-width:639px){
  .modal-mask{align-items:flex-end;padding:0;}
  .modal-panel{
    max-width:none;
    border-radius:16px 16px 0 0;
    max-height:88vh;
    animation:slideUp .24s var(--ease);
  }
  @keyframes slideUp{from{transform:translateY(24px);opacity:.6;}to{transform:translateY(0);opacity:1;}}
}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:#F2F4EF;margin-top:0;}
.footer-cta{
  background:var(--c-primary-900);
  border-bottom:1px solid rgba(255,255,255,.12);
  padding:48px 0;
}
.footer-cta-inner{
  display:grid;
  gap:22px;
  align-items:center;
}
.footer-cta h2{font-size:clamp(20px,2.4vw,28px);color:#F2F4EF;}
.footer-cta p{margin-top:12px;font-size:15px;color:rgba(242,244,239,.72);max-width:620px;}
.footer-cta .btn-accent{justify-self:start;}
@media(min-width:1024px){
  .footer-cta{padding:64px 0;}
  .footer-cta-inner{grid-template-columns:1.5fr .5fr;gap:32px;}
  .footer-cta .btn-accent{justify-self:end;}
}
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:28px;
  padding:48px 0 32px;
}
.footer-brand .fb-main{font-size:17px;font-weight:800;color:#F2F4EF;}
.footer-brand .fb-sub{
  margin-top:6px;
  font-size:10.5px;
  letter-spacing:.18em;
  color:rgba(242,244,239,.5);
}
.footer-brand p{
  margin-top:14px;
  font-size:13.5px;
  line-height:1.85;
  color:rgba(242,244,239,.62);
  max-width:340px;
}
.footer-col h4{
  font-size:13px;
  letter-spacing:.12em;
  color:rgba(242,244,239,.55);
  font-weight:600;
  margin-bottom:16px;
}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{
  font-size:14px;
  color:rgba(242,244,239,.78);
}
.footer-col a:hover{color:var(--c-accent);}
.footer-contact li{display:flex;gap:10px;font-size:13.5px;color:rgba(242,244,239,.66);line-height:1.8;}
.footer-contact i{color:var(--c-accent);margin-top:6px;font-size:12px;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  justify-content:space-between;
  padding:20px 0 28px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;
  color:rgba(242,244,239,.55);
}
@media(min-width:640px){
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
  .footer-bottom{font-size:13.5px;}
}
@media(min-width:1024px){
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;padding:64px 0 40px;}
}

@media(prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}