/* roulang page: index */
:root{
  --green-900:#0C3B2E;
  --green-800:#0F4A37;
  --green-700:#14563F;
  --green-500:#1E6E52;
  --lime:#C6F24E;
  --lime-hi:#D3F96A;
  --teal:#2ED3C6;
  --white:#FFFFFF;
  --mist:#F4F6F4;
  --border:#E2E7E3;
  --text:#1B211E;
  --text-2:#5B6560;
  --ok:#2F9E6B;
  --warn:#E08A2B;
  --err:#C9453C;
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --shadow-card:0 1px 2px rgba(16,32,26,.06), 0 12px 28px -12px rgba(16,32,26,.18);
  --shadow-soft:0 1px 2px rgba(16,32,26,.05), 0 6px 18px -10px rgba(16,32,26,.14);
  --container:1240px;
  --ff:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,sans-serif;
  --ff-num:"DIN Alternate","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --tr:.2s ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;background:var(--white);color:var(--text);
  font-family:var(--ff);font-size:16px;line-height:1.85;font-weight:400;
  letter-spacing:.005em;text-align:left;overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--tr),border-color var(--tr),background-color var(--tr);word-break:break-word;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}
::selection{background:var(--lime);color:var(--green-900);}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.nums{font-family:var(--ff-num);font-variant-numeric:tabular-nums;letter-spacing:.01em;}
.section{padding:80px 0;}
.section--tight{padding:64px 0;}
.section--mist{background:var(--mist);}
.sec-head{margin-bottom:40px;max-width:760px;}
.sec-head h2{font-size:clamp(26px,2.6vw,34px);line-height:1.25;font-weight:700;color:var(--green-900);letter-spacing:-.01em;}
.sec-head p{margin-top:12px;color:var(--text-2);font-size:16px;}
.sec-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;}
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.06em;font-weight:700;
  color:var(--green-700);background:rgba(198,242,78,.32);
  padding:4px 12px;border-radius:6px;margin-bottom:14px;
}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;width:100%;
  background:var(--white);border-bottom:1px solid var(--border);
  transition:height var(--tr),box-shadow var(--tr),background-color var(--tr);
}
.site-header.is-scrolled{box-shadow:0 6px 20px -14px rgba(16,32,26,.35);background:rgba(255,255,255,.94);backdrop-filter:blur(8px);}
.header-inner{
  display:flex;align-items:center;gap:28px;
  height:72px;transition:height var(--tr);
}
.site-header.is-scrolled .header-inner{height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand svg{width:34px;height:34px;flex:0 0 auto;}
.brand-text{font-size:19px;font-weight:700;color:var(--green-900);letter-spacing:-.01em;white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:6px;flex:1 1 auto;}
.main-nav a{
  position:relative;display:inline-block;padding:8px 12px;
  font-size:15.5px;color:var(--text);border-radius:8px;white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--lime);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform var(--tr);
}
.main-nav a:hover{color:var(--green-700);}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.is-active{color:var(--green-700);font-weight:600;}
.main-nav a.is-active::after{transform:scaleX(1);}
.header-tools{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.search-box{position:relative;}
.search-box input{
  width:210px;height:40px;border-radius:999px;border:1px solid transparent;
  background:var(--mist);padding:0 16px 0 38px;font-size:14px;
  transition:border-color var(--tr),box-shadow var(--tr),background-color var(--tr);
}
.search-box input::placeholder{color:#8A948E;}
.search-box input:focus{outline:none;background:var(--white);border-color:var(--green-700);box-shadow:0 0 0 2px var(--lime);}
.search-box i{position:absolute;left:14px;top:50%;transform:translateY(-50%);font-size:13px;color:#8A948E;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  transition:background-color var(--tr),color var(--tr),box-shadow var(--tr),transform var(--tr),border-color var(--tr);
}
.btn--primary{background:var(--lime);color:var(--green-900);box-shadow:0 6px 16px -10px rgba(12,59,46,.5);}
.btn--primary:hover{background:var(--lime-hi);box-shadow:0 10px 22px -10px rgba(12,59,46,.55);}
.btn--ghost{background:transparent;color:var(--green-900);border:1.5px solid var(--green-700);}
.btn--ghost:hover{background:rgba(20,86,63,.08);}
.btn--sm{height:42px;padding:0 18px;font-size:14px;}
.btn:active{transform:translateY(1px);}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--green-700);font-weight:600;font-size:14.5px;}
.link-arrow i{transition:transform var(--tr);font-size:12px;}
.link-arrow:hover{color:var(--green-500);}
.link-arrow:hover i{transform:translateX(3px);}
.nav-toggle{display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--border);color:var(--green-900);font-size:17px;}

/* ---------- Hero ---------- */
.hero{
  position:relative;padding:72px 0 64px;min-height:640px;
  background:
    linear-gradient(180deg,#FFFFFF 0%,#F4F6F4 100%);
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.06;
  background-image:linear-gradient(var(--green-900) 1px,transparent 1px),linear-gradient(90deg,var(--green-900) 1px,transparent 1px);
  background-size:56px 56px;
}
.hero-grid{position:relative;display:grid;grid-template-columns:55fr 45fr;gap:56px;align-items:center;}
.hero h1{
  font-size:clamp(28px,4.2vw,50px);line-height:1.15;font-weight:700;
  color:var(--green-900);letter-spacing:-.02em;margin-bottom:18px;max-width:15em;
}
.hero-sub{font-size:17px;color:var(--text-2);max-width:30em;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;letter-spacing:.06em;font-weight:600;
  color:var(--green-700);background:rgba(46,211,198,.14);
  border:1px solid rgba(46,211,198,.4);
  padding:5px 12px;border-radius:6px;
}
.hero-media{position:relative;}
.hero-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-card);
  box-shadow:var(--shadow-card);border:1px solid var(--border);
}
.hero-float{
  position:absolute;left:-24px;bottom:28px;background:var(--white);
  border:1px solid var(--border);border-radius:14px;padding:14px 18px;
  box-shadow:var(--shadow-card);min-width:176px;
}
.hero-float strong{display:block;font-size:30px;line-height:1.1;color:var(--green-900);}
.hero-float span{font-size:13px;color:var(--text-2);}
.hero-float em{
  display:block;margin-top:8px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--lime),var(--teal));
}

/* ---------- 指标看板 ---------- */
.board{background:var(--green-900);color:var(--white);position:relative;overflow:hidden;}
.board::after{
  content:"";position:absolute;inset:0;opacity:.05;pointer-events:none;
  background-image:linear-gradient(#fff 1px,transparent 1px);
  background-size:100% 40px;
}
.board .sec-head h2{color:var(--white);}
.board .sec-head p{color:rgba(255,255,255,.7);}
.board-grid{position:relative;display:grid;grid-template-columns:repeat(4,1fr);}
.board-item{padding:8px 26px;border-left:1px solid rgba(255,255,255,.12);}
.board-item:first-child{border-left:0;padding-left:0;}
.board-item .num{font-size:clamp(34px,3.6vw,52px);line-height:1.05;color:var(--lime);font-weight:700;}
.board-item .num small{font-size:15px;font-weight:600;margin-left:6px;color:rgba(255,255,255,.75);}
.board-item .label{display:block;font-size:14px;color:rgba(255,255,255,.7);margin-top:10px;}
.board-bar{margin-top:16px;height:2px;border-radius:2px;background:rgba(255,255,255,.14);overflow:hidden;}
.board-bar i{display:block;height:100%;background:linear-gradient(90deg,var(--lime),var(--teal));}

/* ---------- 服务矩阵 ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:auto;gap:22px;}
.svc-main{
  grid-column:span 2;grid-row:span 2;display:flex;flex-direction:column;
  background:var(--white);border:1px solid var(--border);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-soft);transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);
}
.svc-main:hover{transform:translateY(-3px);box-shadow:var(--shadow-card);border-color:var(--teal);}
.svc-main .thumb{overflow:hidden;}
.svc-main .thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease;}
.svc-main:hover .thumb img{transform:scale(1.03);}
.svc-main .body{padding:26px 28px 28px;}
.svc-main h3{font-size:22px;font-weight:700;color:var(--green-900);margin-bottom:10px;}
.svc-main p{color:var(--text-2);font-size:15.5px;margin-bottom:16px;}
.svc-main ul{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px;}
.svc-main ul li{font-size:13px;color:var(--green-700);background:var(--mist);border-radius:6px;padding:4px 10px;}
.svc-card{
  display:flex;flex-direction:column;
  background:var(--white);border:1px solid var(--border);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-soft);
  transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);
}
.svc-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-card);border-color:var(--teal);}
.svc-card .ico{
  width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  border:1.5px solid var(--green-700);color:var(--green-700);font-size:17px;margin-bottom:16px;
}
.svc-card h3{font-size:18px;font-weight:600;color:var(--green-900);margin-bottom:8px;}
.svc-card p{font-size:14.5px;color:var(--text-2);margin-bottom:16px;}
.svc-card .link-arrow{margin-top:auto;}

/* ---------- 结果对比 ---------- */
.compare{border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.compare-grid{display:grid;grid-template-columns:1fr 1px 1fr;gap:48px;align-items:start;}
.compare-line{background:var(--border);height:100%;}
.compare-col h3{font-size:13px;letter-spacing:.06em;color:var(--text-2);font-weight:700;margin-bottom:6px;}
.compare-col .big{font-size:20px;font-weight:700;color:var(--green-900);margin-bottom:22px;}
.compare-col ul li{
  display:flex;gap:12px;padding:14px 0;border-top:1px solid var(--border);
  font-size:15.5px;line-height:1.8;
}
.compare-col ul li:first-child{border-top:0;}
.compare-col ul li i{flex:0 0 auto;margin-top:4px;font-size:13px;}
.compare--old ul li{color:var(--text-2);}
.compare--old ul li i{color:#9AA49E;}
.compare--new ul li{color:var(--green-900);}
.compare--new ul li i{color:var(--green-500);}
.compare--new{background:rgba(198,242,78,.08);padding:28px 30px;border-radius:0;}
.compare--old{padding:28px 0;}

/* ---------- 资讯列表 ---------- */
.news-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;background:var(--white);
  border:1px solid var(--border);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow-soft);transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-card);border-color:var(--teal);}
.news-card .cover{overflow:hidden;background:var(--mist);}
.news-card .cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease;}
.news-card:hover .cover img{transform:scale(1.03);}
.news-card .body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.badge{
  align-self:flex-start;font-size:12px;font-weight:600;letter-spacing:.04em;
  color:var(--green-700);background:rgba(198,242,78,.32);
  padding:3px 10px;border-radius:6px;margin-bottom:12px;
}
.news-card h3{
  font-size:17px;line-height:1.45;font-weight:600;color:var(--green-900);margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card p{
  font-size:14.5px;color:var(--text-2);margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;justify-content:space-between;margin-top:auto;font-size:13px;color:var(--text-2);}
.news-empty{
  grid-column:1/-1;text-align:center;padding:56px 20px;
  background:var(--white);border:1px dashed var(--border);border-radius:var(--r-card);
}
.news-empty i{font-size:26px;color:var(--green-500);}
.news-empty p{margin:14px 0 18px;color:var(--text-2);font-size:15px;}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:48px;align-items:start;}
.faq-side p{color:var(--text-2);font-size:15.5px;margin-top:12px;margin-bottom:24px;}
.contact-card{
  background:var(--white);border:1px solid var(--border);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--shadow-soft);
}
.contact-card strong{display:block;color:var(--green-900);font-size:16px;margin-bottom:6px;}
.contact-card span{display:block;color:var(--text-2);font-size:14px;margin-bottom:14px;}
.faq-list{border-top:1px solid var(--border);}
.faq-list details{border-bottom:1px solid var(--border);padding:4px 0 4px 0;}
.faq-list summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 0 18px 0;font-size:16.5px;font-weight:600;color:var(--green-900);
  border-left:3px solid transparent;padding-left:0;transition:border-color var(--tr),padding-left var(--tr);
}
.faq-list summary::-webkit-details-marker{display:none;}
.faq-list summary::after{
  content:"+";font-size:22px;font-weight:400;color:var(--green-500);line-height:1;
  transition:transform var(--tr),color var(--tr);
}
.faq-list details[open] summary{border-left:3px solid var(--lime);padding-left:14px;}
.faq-list details[open] summary::after{transform:rotate(45deg);color:var(--green-700);}
.faq-list .answer{padding:0 0 20px;font-size:15px;color:var(--text-2);max-width:60em;}
.faq-list details[open] .answer{padding-left:14px;}

/* ---------- 表单 ---------- */
.form-wrap{max-width:720px;margin:0 auto;background:var(--mist);border:1px solid var(--border);border-radius:16px;padding:36px;}
.form-wrap h2{font-size:28px;font-weight:700;color:var(--green-900);margin-bottom:10px;}
.form-wrap>p{color:var(--text-2);font-size:15.5px;margin-bottom:26px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--green-900);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;height:48px;border-radius:var(--r-btn);border:1px solid var(--border);
  background:var(--white);padding:0 14px;font-size:15px;
  transition:border-color var(--tr),box-shadow var(--tr);
}
.field textarea{height:120px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--green-700);box-shadow:0 0 0 2px var(--lime);
}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.check{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--text-2);margin-bottom:22px;}
.check input{width:18px;height:18px;margin-top:3px;flex:0 0 auto;accent-color:var(--green-700);}
.form-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.form-submit{width:100%;height:50px;}
.privacy{font-size:12.5px;color:var(--text-2);margin-top:14px;text-align:center;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--green-900);color:var(--white);padding-top:64px;position:relative;}
.site-footer::before{content:"";position:absolute;top:0;left:0;width:96px;height:3px;background:var(--lime);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand .brand-text{color:var(--white);}
.footer-brand p{color:rgba(255,255,255,.72);font-size:14.5px;margin-top:16px;max-width:26em;}
.footer-col h4{font-size:15px;font-weight:700;color:var(--white);margin-bottom:18px;}
.footer-col ul li{margin-bottom:12px;}
.footer-col a{font-size:15px;color:rgba(255,255,255,.72);}
.footer-col a:hover{color:var(--lime);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px;}
.footer-contact li{display:flex;gap:10px;font-size:14.5px;color:rgba(255,255,255,.72);margin-bottom:12px;}
.footer-contact i{color:var(--lime);margin-top:4px;font-size:13px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.6);}
.footer-bottom a:hover{color:var(--lime);}

/* ---------- 移动端 ---------- */
@media screen and (max-width:1023px){
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero{min-height:auto;padding:56px 0 48px;}
  .hero-float{left:auto;right:18px;bottom:-18px;}
  .board-grid{grid-template-columns:repeat(2,1fr);}
  .board-item{padding:20px 24px;border-left:0;border-top:1px solid rgba(255,255,255,.12);}
  .board-item:nth-child(odd){padding-left:0;}
  .board-item:first-child,.board-item:nth-child(2){border-top:0;}
  .svc-grid{grid-template-columns:repeat(2,1fr);}
  .svc-main{grid-column:span 2;grid-row:auto;}
  .news-list{grid-template-columns:repeat(2,1fr);}
  .faq-grid{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:64px 0;}
}
@media screen and (max-width:900px){
  .main-nav,.search-box{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .header-inner{justify-content:space-between;gap:12px;}
  .header-tools{margin-left:auto;}
  .drawer{
    position:fixed;inset:72px 0 0;background:var(--white);z-index:75;
    padding:20px 24px 40px;overflow-y:auto;display:none;
  }
  .drawer.is-open{display:block;}
  .drawer nav a{
    display:flex;align-items:center;min-height:48px;font-size:16px;
    color:var(--text);border-bottom:1px solid var(--border);
  }
  .drawer nav a.is-active{color:var(--green-700);font-weight:600;}
  .drawer .search-box{display:block;margin:18px 0;}
  .drawer .search-box input{width:100%;}
  .drawer .btn{width:100%;margin-top:6px;}
}
@media screen and (max-width:768px){
  .compare-grid{grid-template-columns:1fr;gap:0;}
  .compare-line{display:none;}
  .compare--old{padding:24px 0 8px;}
  .compare--new{margin-top:24px;padding:24px;}
  .field-row{grid-template-columns:1fr;}
  .form-wrap{padding:26px 20px;}
  .news-list{grid-template-columns:1fr;}
  .svc-grid{grid-template-columns:1fr;}
  .svc-main{grid-column:span 1;}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:36px;}
}
@media screen and (max-width:576px){
  .container{padding:0 16px;}
  .brand-text{font-size:17px;white-space:normal;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .hero-float{position:static;margin-top:16px;left:auto;right:auto;bottom:auto;}
  .section{padding:48px 0;}
  .board-item{padding:16px 14px;}
  .board-item .num{font-size:32px;}
  .compare-col ul li{font-size:15px;}
}

/* roulang page: article */
:root{
  --c-deep:#0C3B2E;
  --c-deep-2:#14563F;
  --c-deep-3:#1E6E52;
  --c-lime:#C6F24E;
  --c-teal:#2ED3C6;
  --c-white:#FFFFFF;
  --c-mist:#F4F6F4;
  --c-line:#E2E7E3;
  --c-text:#1B211E;
  --c-sub:#5B6560;
  --c-ok:#2F9E6B;
  --c-warn:#E08A2B;
  --c-err:#C9453C;
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --sd-card:0 1px 2px rgba(16,32,26,.06), 0 12px 28px -12px rgba(16,32,26,.18);
  --sd-hover:0 2px 4px rgba(16,32,26,.08), 0 18px 36px -14px rgba(16,32,26,.24);
  --tr:.2s ease;
  --font-cn:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,sans-serif;
  --font-num:"DIN Alternate","Roboto Mono",ui-monospace,SFMono-Regular,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-white);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--c-deep-2);text-decoration:none;word-break:break-word}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--c-lime);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;background:#fff;
  border-bottom:1px solid var(--c-line);
  transition:box-shadow var(--tr),background var(--tr);
}
.site-header.is-scrolled{
  box-shadow:0 8px 24px -16px rgba(16,32,26,.4);
  backdrop-filter:blur(8px);
  background:rgba(255,255,255,.94);
}
.header-inner{display:flex;align-items:center;gap:26px;height:72px;transition:height var(--tr)}
.site-header.is-scrolled .header-inner{height:64px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand svg{width:38px;height:38px;flex:none}
.brand-text{font-size:19px;font-weight:700;color:var(--c-deep);letter-spacing:.01em;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:24px;margin-left:6px}
.main-nav a{
  position:relative;font-size:15.5px;color:var(--c-text);
  padding:6px 0;transition:color var(--tr);white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--c-lime);transform:scaleX(0);transform-origin:left;
  transition:transform var(--tr);
}
.main-nav a:hover{color:var(--c-deep-2)}
.main-nav a:hover::after,.main-nav a.is-active::after{transform:scaleX(1)}
.main-nav a.is-active{color:var(--c-deep-2);font-weight:600}
.header-actions{display:flex;align-items:center;gap:14px;margin-left:auto}
.nav-search{
  display:flex;align-items:center;gap:9px;
  background:var(--c-mist);border:1px solid transparent;border-radius:999px;
  padding:0 16px;height:40px;transition:var(--tr);
}
.nav-search i{color:var(--c-sub);font-size:13px}
.nav-search input{
  border:0;background:transparent;outline:none;width:126px;
  font-size:14px;font-family:inherit;color:var(--c-text);
}
.nav-search input::placeholder{color:#8A948F}
.nav-search:focus-within{border-color:var(--c-lime);box-shadow:0 0 0 3px rgba(198,242,78,.45)}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--c-line);
  border-radius:10px;background:#fff;cursor:pointer;padding:0;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-deep);border-radius:2px;transition:var(--tr)}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-drawer{
  display:none;border-top:1px solid var(--c-line);background:#fff;
  padding:16px 24px 24px;
}
.mobile-drawer.is-open{display:block}
.mobile-drawer a.drawer-link{
  display:block;height:48px;line-height:48px;font-size:16px;color:var(--c-text);
  border-bottom:1px solid var(--c-line);
}
.mobile-drawer a.drawer-link.is-active{color:var(--c-deep-2);font-weight:600}
.mobile-drawer .drawer-search{margin:18px 0 14px}
.mobile-drawer .btn{width:100%}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1.5px solid transparent;
  cursor:pointer;transition:var(--tr);white-space:nowrap;
}
.btn-primary{background:var(--c-lime);color:var(--c-deep)}
.btn-primary:hover{background:#d4f76f;box-shadow:0 12px 24px -12px rgba(12,59,46,.5)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border-color:var(--c-deep);color:var(--c-deep)}
.btn-ghost:hover{background:rgba(12,59,46,.08)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn[disabled]{opacity:.4;cursor:not-allowed}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--c-deep-2)}
.text-link i{transition:transform var(--tr)}
.text-link:hover{text-decoration:underline;text-decoration-color:var(--c-lime);text-decoration-thickness:2px;text-underline-offset:4px}
.text-link:hover i{transform:translateX(3px)}

/* ---------- 文章头部 ---------- */
.article-hero{
  position:relative;
  background:linear-gradient(180deg,#F4F6F4 0%,#FFFFFF 100%);
  border-bottom:1px solid var(--c-line);
  padding:24px 0 42px;
  overflow:hidden;
}
.article-hero::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(12,59,46,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(12,59,46,.05) 1px,transparent 1px);
  background-size:48px 48px;
  opacity:.6;pointer-events:none;
}
.article-hero .container{position:relative;z-index:1}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-sub)}
.breadcrumb a{color:var(--c-sub)}
.breadcrumb a:hover{color:var(--c-deep-2);text-decoration:underline;text-decoration-color:var(--c-lime);text-decoration-thickness:2px;text-underline-offset:4px}
.breadcrumb .sep{color:#A9B2AD}
.breadcrumb .current{color:var(--c-deep-2);font-weight:600;max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-title{
  font-size:42px;line-height:1.2;font-weight:700;color:var(--c-text);
  margin:18px 0 20px;max-width:920px;letter-spacing:-.01em;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 24px;font-size:13.5px;color:var(--c-sub)}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:var(--c-deep-3);font-size:13px}
.badge-cat{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(12,59,46,.08);color:var(--c-deep-2);
  padding:4px 11px;border-radius:6px;font-size:12px;letter-spacing:.04em;
}

/* ---------- 正文 ---------- */
.article-main{padding:56px 0 24px}
.article-shell{max-width:800px;margin:0 auto;width:100%}
.article-body{font-size:17px;line-height:1.9;color:var(--c-text)}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 20px}
.article-body h2{font-size:28px;line-height:1.35;font-weight:700;margin:46px 0 16px;padding-left:14px;position:relative}
.article-body h2::before{content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;border-radius:4px;background:var(--c-lime)}
.article-body h3{font-size:21px;line-height:1.45;font-weight:600;margin:34px 0 12px}
.article-body h4{font-size:18px;font-weight:600;margin:26px 0 10px}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:24px}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:0 0 10px;padding-left:2px}
.article-body ul li::marker{color:var(--c-deep-3)}
.article-body ol li::marker{color:var(--c-deep-3);font-family:var(--font-num)}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;background:var(--c-mist);
  border-left:3px solid var(--c-lime);border-radius:0 var(--r-img) var(--r-img) 0;
  color:var(--c-deep-2);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body a{color:var(--c-deep-2);border-bottom:2px solid var(--c-lime);padding-bottom:1px}
.article-body a:hover{color:var(--c-deep)}
.article-body img{border-radius:var(--r-img);margin:26px auto;box-shadow:var(--sd-card)}
.article-body figure{margin:26px 0}
.article-body figcaption{font-size:13px;color:var(--c-sub);text-align:center;margin-top:10px;line-height:1.7}
.article-body table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;line-height:1.7}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:11px 14px;text-align:left;vertical-align:top}
.article-body thead th{background:var(--c-mist);font-weight:600;color:var(--c-deep-2)}
.article-body tbody tr:nth-child(even){background:#FAFBF9}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:34px 0}
.article-body code{background:var(--c-mist);padding:2px 6px;border-radius:6px;font-family:var(--font-num);font-size:14.5px}
.article-empty{
  border:1px dashed var(--c-line);background:var(--c-mist);
  border-radius:var(--r-card);padding:52px 28px;text-align:center;
}
.article-empty i{font-size:34px;color:var(--c-deep-3);margin-bottom:14px;display:block}
.article-empty h2{font-size:22px;font-weight:700;margin-bottom:10px}
.article-empty p{color:var(--c-sub);margin-bottom:20px}

/* ---------- 上下篇 ---------- */
.post-nav{
  display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;
  border-top:1px solid var(--c-line);margin-top:48px;padding-top:22px;
  font-size:15px;
}
.post-nav a{color:var(--c-sub);display:inline-flex;align-items:center;gap:8px;transition:color var(--tr)}
.post-nav a:hover{color:var(--c-deep-2);text-decoration:underline;text-decoration-color:var(--c-lime);text-decoration-thickness:2px;text-underline-offset:4px}

/* ---------- 相关推荐 ---------- */
.related{padding:56px 0 72px;background:var(--c-mist);border-top:1px solid var(--c-line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap}
.section-title{font-size:30px;line-height:1.3;font-weight:700;color:var(--c-text)}
.section-desc{font-size:15px;color:var(--c-sub);margin-top:8px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  display:flex;flex-direction:column;height:100%;background:#fff;
  border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sd-card);overflow:hidden;transition:var(--tr);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sd-hover);border-color:var(--c-teal)}
.card-cover{aspect-ratio:16/9;overflow:hidden;background:var(--c-mist)}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.card:hover .card-cover img{transform:scale(1.03)}
.card-body{display:flex;flex-direction:column;gap:10px;padding:20px 22px 22px;flex:1}
.card-title{font-size:19px;line-height:1.45;font-weight:600;color:var(--c-text)}
.card-text{font-size:14.5px;line-height:1.8;color:var(--c-sub);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-sub);padding-top:8px}

/* ---------- CTA 带 ---------- */
.cta-section{padding:56px 0 72px}
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  background:rgba(12,59,46,.06);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:26px 30px;
}
.cta-band h2{font-size:21px;font-weight:700;color:var(--c-deep);margin-bottom:6px}
.cta-band p{font-size:15px;color:var(--c-sub);max-width:640px}
.cta-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.tag{
  display:inline-flex;align-items:center;font-size:12px;letter-spacing:.05em;
  padding:4px 10px;border-radius:6px;background:#fff;border:1px solid var(--c-line);color:var(--c-deep-2);
}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:var(--c-deep);color:#fff;padding:64px 0 0;margin-top:8px}
.site-footer::before{content:"";position:absolute;top:0;left:24px;width:96px;height:2px;background:var(--c-lime)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand .brand-text{color:#fff}
.footer-brand p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.72);max-width:340px}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col ul li{font-size:15px;color:rgba(255,255,255,.72)}
.footer-col ul li a{color:rgba(255,255,255,.72);transition:color var(--tr)}
.footer-col ul li a:hover{color:var(--c-lime);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px}
.footer-contact li{display:flex;align-items:flex-start;gap:10px}
.footer-contact i{color:var(--c-teal);margin-top:6px;font-size:13px}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.14);margin-top:48px;padding:20px 0 26px;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .main-nav{gap:18px}
  .nav-search input{width:104px}
  .related-grid{grid-template-columns:repeat(3,1fr);gap:20px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:992px){
  .main-nav{display:none}
  .nav-search{display:none}
  .nav-toggle{display:flex}
  .article-title{font-size:34px}
  .related-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .header-inner{height:64px}
  .brand-text{font-size:17px}
  .article-hero{padding:18px 0 32px}
  .article-title{font-size:29px;margin:14px 0 16px}
  .article-main{padding:40px 0 16px}
  .article-body{font-size:16px;line-height:1.85}
  .article-body h2{font-size:23px;margin:36px 0 14px}
  .article-body h3{font-size:19px;margin:28px 0 10px}
  .article-body table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch;white-space:nowrap}
  .article-body th,.article-body td{white-space:normal;min-width:112px}
  .related{padding:44px 0 52px}
  .related-grid{grid-template-columns:1fr}
  .section-title{font-size:24px}
  .cta-section{padding:44px 0 56px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:22px 20px}
  .cta-band .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:8px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:480px){
  .article-title{font-size:26px}
  .article-meta{gap:8px 16px;font-size:13px}
  .breadcrumb .current{max-width:220px}
  .btn{width:100%}
  .header-inner .btn-sm{display:none}
  .post-nav{flex-direction:column;gap:12px}
}

/* roulang page: category1 */
:root{
  --green-900:#0C3B2E;
  --green-700:#14563F;
  --green-500:#1E6E52;
  --lime:#C6F24E;
  --lime-soft:#D8F87E;
  --teal:#2ED3C6;
  --paper:#FFFFFF;
  --mist:#F4F6F4;
  --line:#E2E7E3;
  --ink:#1B211E;
  --ink-2:#5B6560;
  --success:#2F9E6B;
  --warn:#E08A2B;
  --error:#C9453C;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-card:0 1px 2px rgba(16,32,26,.06),0 12px 28px -12px rgba(16,32,26,.18);
  --shadow-card-hover:0 2px 4px rgba(16,32,26,.08),0 20px 42px -16px rgba(16,32,26,.28);
  --container:1240px;
  --t:.2s ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  text-align:left;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border-style:none;}
a{color:var(--green-700);text-decoration:none;transition:color var(--t),border-color var(--t),background var(--t);word-break:break-word;}
a:hover{color:var(--green-900);}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:700;letter-spacing:-.005em;}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;}
li{list-style:none;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.num{font-family:"DIN Alternate","Roboto Mono",ui-monospace,monospace;font-variant-numeric:tabular-nums;}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:200;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t),background var(--t);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  box-shadow:0 6px 24px -16px rgba(16,32,26,.5);
}
.header-inner{display:flex;align-items:center;gap:28px;height:72px;transition:height var(--t);}
.site-header.is-scrolled .header-inner{height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand svg{width:34px;height:34px;flex:0 0 34px;}
.brand-text{font-size:19px;font-weight:700;color:var(--green-900);white-space:nowrap;letter-spacing:-.01em;}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:6px;}
.main-nav a{
  position:relative;font-size:15px;font-weight:500;color:var(--ink-2);
  padding:6px 0;
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform var(--t);
}
.main-nav a:hover{color:var(--green-900);}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.is-active{color:var(--green-900);font-weight:700;}
.main-nav a.is-active::after{transform:scaleX(1);}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:14px;}
.search-box{
  display:flex;align-items:center;gap:8px;height:42px;padding:0 16px;
  background:var(--mist);border:1px solid transparent;border-radius:999px;transition:border-color var(--t),box-shadow var(--t);
}
.search-box i{font-size:14px;color:var(--ink-2);}
.search-box input{
  width:168px;border:0;background:transparent;outline:none;font-size:14px;color:var(--ink);line-height:1.4;
}
.search-box input::placeholder{color:#8E9791;}
.search-box:focus-within{border-color:var(--lime);box-shadow:0 0 0 2px rgba(198,242,78,.5);}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;padding:0 10px;margin-left:auto;
  background:transparent;border:1px solid var(--line);border-radius:10px;cursor:pointer;
}
.nav-toggle span{display:block;height:2px;background:var(--green-900);border-radius:2px;transition:transform var(--t),opacity var(--t);}
body.drawer-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg);}
body.drawer-open .nav-toggle span:nth-child(2){opacity:0;}
body.drawer-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-drawer{
  position:fixed;left:0;right:0;top:64px;bottom:0;z-index:190;
  background:#fff;border-top:1px solid var(--line);
  padding:16px 16px 40px;overflow-y:auto;
  opacity:0;visibility:hidden;transform:translateY(-10px);
  transition:opacity var(--t),transform var(--t),visibility var(--t);
}
body.drawer-open .mobile-drawer{opacity:1;visibility:visible;transform:translateY(0);}
body.drawer-open{overflow:hidden;}
.mobile-drawer a{
  display:flex;align-items:center;height:48px;font-size:16px;font-weight:500;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.mobile-drawer a.is-active{color:var(--green-900);font-weight:700;}
.mobile-drawer .search-box{width:100%;margin:18px 0 12px;}
.mobile-drawer .search-box input{width:100%;}
.mobile-drawer .btn{width:100%;margin-top:8px;}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:16px;font-weight:600;line-height:1;cursor:pointer;border:1.5px solid transparent;
  transition:background var(--t),color var(--t),border-color var(--t),box-shadow var(--t),transform var(--t);
}
.btn-primary{background:var(--lime);color:var(--green-900);box-shadow:0 8px 20px -12px rgba(12,59,46,.55);}
.btn-primary:hover{background:var(--lime-soft);color:var(--green-900);box-shadow:0 12px 26px -12px rgba(12,59,46,.5);}
.btn-outline{background:transparent;border-color:var(--green-900);color:var(--green-900);}
.btn-outline:hover{background:rgba(12,59,46,.07);color:var(--green-900);}
.btn:active{transform:translateY(1px);}
.btn-sm{height:40px;padding:0 18px;font-size:15px;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--green-700);
  border-bottom:2px solid transparent;padding-bottom:2px;
}
.link-arrow i{transition:transform var(--t);font-size:13px;}
.link-arrow:hover{color:var(--green-900);border-bottom-color:var(--lime);}
.link-arrow:hover i{transform:translateX(3px);}

/* ============ hero ============ */
.page-hero{
  position:relative;overflow:hidden;
  padding:40px 0 76px;
  background-image:linear-gradient(rgba(255,255,255,.93),rgba(244,246,244,.97)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(90deg,rgba(12,59,46,.06) 1px,transparent 1px);
  background-size:64px 100%;opacity:.5;
}
.page-hero .container{position:relative;z-index:2;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-2);margin-bottom:26px;
}
.breadcrumb a{color:var(--ink-2);}
.breadcrumb a:hover{color:var(--green-900);}
.breadcrumb .sep{color:#A9B2AC;}
.breadcrumb .current{color:var(--green-700);font-weight:600;}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:56px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.14em;font-weight:700;color:var(--green-700);
  background:rgba(198,242,78,.28);border-radius:6px;padding:6px 12px;margin-bottom:20px;
}
.hero-title{font-size:clamp(30px,3.6vw,48px);line-height:1.18;font-weight:700;color:var(--green-900);}
.hero-sub{margin-top:18px;font-size:19px;line-height:1.7;color:var(--green-700);font-weight:500;}
.hero-text{margin-top:16px;font-size:15.5px;color:var(--ink-2);max-width:560px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:13px;color:var(--green-700);font-weight:500;
}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;border-radius:var(--radius-card);box-shadow:var(--shadow-card);
  object-fit:cover;aspect-ratio:4/3;
}
.float-card{
  position:absolute;left:-22px;bottom:26px;
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:14px 20px;box-shadow:var(--shadow-card);
}
.float-card .num{display:block;font-size:30px;line-height:1.1;font-weight:700;color:var(--green-900);}
.float-card .num span{font-size:15px;font-weight:600;color:var(--green-700);margin-left:3px;}
.float-card .lbl{font-size:13px;color:var(--ink-2);}

/* ============ sections ============ */
.section{padding:80px 0;}
.section-alt{background:var(--mist);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-title{font-size:clamp(24px,2.4vw,33px);line-height:1.3;color:var(--green-900);}
.section-desc{margin-top:14px;font-size:16px;color:var(--ink-2);}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}

/* split rows */
.split-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.split-row + .split-row{margin-top:72px;}
.split-row.is-reverse .split-media{order:2;}
.split-media{overflow:hidden;border-radius:var(--radius-card);border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-card);}
.split-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform var(--t);}
.split-media:hover img{transform:scale(1.03);}
.split-body .badge{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:6px;
  background:rgba(30,110,82,.1);color:var(--green-700);font-size:12px;font-weight:700;letter-spacing:.06em;
}
.split-body h3{margin-top:16px;font-size:clamp(20px,2vw,25px);line-height:1.4;color:var(--green-900);}
.split-body p{margin-top:14px;color:var(--ink-2);font-size:16px;}
.check-list{margin-top:20px;display:flex;flex-direction:column;gap:12px;}
.check-list li{display:flex;align-items:flex-start;gap:10px;font-size:15.5px;color:var(--ink);}
.check-list i{color:var(--teal);font-size:14px;margin-top:6px;flex:0 0 auto;}
.split-body .link-arrow{margin-top:24px;}

/* key points */
.kp-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.kp-item{
  display:flex;gap:16px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px 24px;box-shadow:var(--shadow-card);transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.kp-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-card-hover);border-color:var(--teal);}
.kp-item .idx{
  flex:0 0 34px;height:34px;border-radius:10px;background:rgba(198,242,78,.4);
  color:var(--green-900);font-weight:700;font-size:15px;display:flex;align-items:center;justify-content:center;
  font-family:"DIN Alternate","Roboto Mono",ui-monospace,monospace;
}
.kp-item h3{font-size:17px;line-height:1.5;color:var(--green-900);}
.kp-item p{margin-top:8px;font-size:15px;color:var(--ink-2);line-height:1.8;}

/* stats strip */
.stats-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  background:var(--green-900);border-radius:var(--radius-card);
  padding:44px 40px;position:relative;overflow:hidden;
}
.stats-strip::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.06;
  background-image:linear-gradient(rgba(255,255,255,.9) 1px,transparent 1px);
  background-size:100% 34px;
}
.stat-item{position:relative;z-index:1;}
.stat-item + .stat-item{border-left:1px solid rgba(255,255,255,.12);padding-left:24px;}
.stat-num{
  font-family:"DIN Alternate","Roboto Mono",ui-monospace,monospace;
  font-variant-numeric:tabular-nums;
  font-size:42px;line-height:1.1;font-weight:700;color:var(--lime);
}
.stat-num span{font-size:16px;font-weight:600;margin-left:4px;color:var(--lime);}
.stat-label{margin-top:10px;font-size:14px;color:rgba(255,255,255,.72);}
.stat-bar{margin-top:14px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--lime),rgba(46,211,198,.2));}
.section-note{margin-top:20px;font-size:14px;color:var(--ink-2);}

/* faq */
.faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:56px;align-items:start;}
.faq-aside h2{font-size:clamp(24px,2.4vw,32px);color:var(--green-900);line-height:1.3;}
.faq-aside p{margin-top:14px;color:var(--ink-2);font-size:15.5px;}
.contact-card{
  margin-top:26px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-card);
}
.contact-card h3{font-size:17px;color:var(--green-900);}
.contact-card p{margin-top:10px;font-size:14.5px;color:var(--ink-2);}
.contact-card .btn{margin-top:18px;width:100%;}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  display:flex;justify-content:space-between;align-items:flex-start;gap:20px;
  padding:20px 0;font-size:17px;font-weight:600;color:var(--ink);cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--green-900);}
.faq-icon{position:relative;flex:0 0 18px;width:18px;height:18px;margin-top:6px;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--green-700);border-radius:2px;transition:transform var(--t),opacity var(--t);}
.faq-icon::before{left:0;top:8px;width:18px;height:2px;}
.faq-icon::after{left:8px;top:0;width:2px;height:18px;}
.faq-item[open]{border-left:3px solid var(--lime);padding-left:16px;}
.faq-item[open] summary{color:var(--green-900);}
.faq-item[open] .faq-icon::after{transform:rotate(90deg);opacity:0;}
.faq-answer{padding:0 0 20px;font-size:15.5px;color:var(--ink-2);line-height:1.85;max-width:760px;}

/* cta band */
.cta-band{
  background:rgba(30,110,82,.06);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:32px 36px;display:flex;align-items:center;justify-content:space-between;gap:28px;
}
.cta-band h2{font-size:clamp(20px,2vw,25px);color:var(--green-900);line-height:1.4;}
.cta-band p{margin-top:10px;font-size:15.5px;color:var(--ink-2);}
.cta-band .actions{display:flex;gap:14px;flex:0 0 auto;}

/* footer */
.site-footer{
  position:relative;background:var(--green-900);color:rgba(255,255,255,.72);
  padding:64px 0 0;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;width:96px;height:3px;
  background:var(--lime);border-radius:0 3px 3px 0;
}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand .brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand svg{width:36px;height:36px;}
.footer-brand .brand-text{color:#fff;font-size:18px;font-weight:700;}
.footer-brand p{font-size:15px;line-height:1.8;color:rgba(255,255,255,.68);max-width:400px;margin:0;}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin:0 0 16px;letter-spacing:.02em;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{display:inline-block;font-size:15px;color:rgba(255,255,255,.72);border-bottom:2px solid transparent;padding-bottom:2px;}
.footer-col a:hover{color:var(--lime);border-bottom-color:var(--lime);}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:rgba(255,255,255,.72);}
.footer-contact i{color:var(--teal);font-size:14px;margin-top:5px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ============ responsive ============ */
@media screen and (max-width:1200px){
  .hero-grid{gap:40px;}
  .split-row{gap:40px;}
  .header-actions .search-box input{width:132px;}
  .main-nav{gap:20px;}
}
@media screen and (max-width:1024px){
  .main-nav{display:none;}
  .header-actions{display:none;}
  .nav-toggle{display:flex;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-visual img{aspect-ratio:16/9;}
  .float-card{left:16px;bottom:-18px;}
  .split-row{grid-template-columns:1fr;gap:28px;}
  .split-row.is-reverse .split-media{order:0;}
  .stats-strip{grid-template-columns:repeat(2,1fr);gap:28px;padding:36px 28px;}
  .stat-item + .stat-item{border-left:0;padding-left:0;}
  .stat-item{border-top:1px solid rgba(255,255,255,.12);padding-top:22px;}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-top:0;padding-top:0;}
  .faq-grid{grid-template-columns:1fr;gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media screen and (max-width:768px){
  body{font-size:16px;}
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .page-hero{padding:28px 0 64px;}
  .kp-grid{grid-template-columns:1fr;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:26px 22px;}
  .cta-band .actions{width:100%;}
  .cta-band .actions .btn{flex:1 1 auto;}
  .hero-cta{flex-direction:column;align-items:stretch;}
  .hero-cta .btn{width:100%;}
  .hero-sub{font-size:17px;}
}
@media screen and (max-width:520px){
  .hero-title{font-size:27px;}
  .section-title{font-size:23px;}
  .stats-strip{padding:28px 20px;gap:22px;}
  .stat-num{font-size:34px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .faq-item summary{font-size:16px;}
}

/* roulang page: category2 */
:root{
  --green:#0C3B2E;
  --green-2:#14563F;
  --green-3:#1E6E52;
  --lime:#C6F24E;
  --teal:#2ED3C6;
  --paper:#FFFFFF;
  --mist:#F4F6F4;
  --line:#E2E7E3;
  --ink:#1B211E;
  --ink-2:#5B6560;
  --ok:#2F9E6B;
  --warn:#E08A2B;
  --err:#C9453C;
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --sh-card:0 1px 2px rgba(16,32,26,.06),0 12px 28px -12px rgba(16,32,26,.18);
  --sh-hover:0 2px 4px rgba(16,32,26,.08),0 18px 34px -14px rgba(16,32,26,.26);
  --t:.2s ease;
  --font-cn:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,sans-serif;
  --font-num:"DIN Alternate","Roboto Mono",ui-monospace,monospace;
}

*,*::before,*::after{box-sizing:border-box;}

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}

body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  word-break:break-word;
}

h1,h2,h3,h4,p,ul,ol{margin:0;}
h1{font-size:clamp(28px,3.6vw,46px);line-height:1.15;font-weight:700;letter-spacing:-.01em;}
h2{font-size:clamp(24px,2.6vw,34px);line-height:1.25;font-weight:700;}
h3{font-size:20px;line-height:1.4;font-weight:600;}
h4{font-size:16px;line-height:1.5;font-weight:600;}
p{line-height:1.85;}
a{color:inherit;text-decoration:none;transition:color var(--t),border-color var(--t),background-color var(--t);}
a:hover{text-decoration:none;}
img{max-width:100%;display:block;}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{padding-left:0;}

.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 24px;
}

.section{padding:80px 0;}
.section-sm{padding:64px 0;}
.section-mist{background:var(--mist);}

.section-head{max-width:780px;margin-bottom:36px;}
.section-head p{margin-top:12px;color:var(--ink-2);font-size:16px;}

.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-btn);
  font-size:16px;
  font-weight:600;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:background-color var(--t),color var(--t),border-color var(--t),box-shadow var(--t),transform var(--t);
  white-space:nowrap;
}
.btn-primary{background:var(--lime);color:var(--green);}
.btn-primary:hover{background:#d3f76e;box-shadow:0 12px 24px -12px rgba(12,59,46,.6);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);box-shadow:none;}
.btn-ghost{background:transparent;border-color:var(--green);color:var(--green);}
.btn-ghost:hover{background:rgba(12,59,46,.08);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{height:42px;padding:0 18px;font-size:15px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none;}

.text-link{display:inline-flex;align-items:center;gap:8px;color:var(--green);font-weight:600;font-size:15px;}
.text-link i{transition:transform var(--t);font-size:13px;}
.text-link:hover{text-decoration:underline;text-decoration-color:var(--lime);text-decoration-thickness:2px;text-underline-offset:4px;}
.text-link:hover i{transform:translateX(3px);}

:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:8px;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:#fff;
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:28px;
  height:72px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:19px;
  font-weight:700;
  color:var(--green);
  flex-shrink:0;
}
.brand svg{width:34px;height:34px;flex-shrink:0;}
.brand-text{letter-spacing:-.01em;}

.main-nav{
  display:flex;
  align-items:center;
  gap:26px;
  margin-left:12px;
}
.main-nav a{
  position:relative;
  font-size:15.5px;
  color:var(--ink-2);
  padding:24px 0;
}
.main-nav a::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:16px;
  height:2px;
  background:var(--lime);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--t);
}
.main-nav a:hover{color:var(--green);}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.is-active{color:var(--green);font-weight:600;}
.main-nav a.is-active::after{transform:scaleX(1);}

.header-tools{
  display:flex;
  align-items:center;
  gap:14px;
  margin-left:auto;
}
.search-box{
  display:flex;
  align-items:center;
  gap:8px;
  height:42px;
  padding:0 16px;
  background:var(--mist);
  border:1.5px solid transparent;
  border-radius:999px;
  transition:border-color var(--t),box-shadow var(--t),background-color var(--t);
}
.search-box i{color:var(--ink-2);font-size:14px;}
.search-box input{
  border:0;
  background:transparent;
  outline:none;
  width:150px;
  font-size:14.5px;
}
.search-box input::placeholder{color:#8A938D;}
.search-box:focus-within{
  background:#fff;
  border-color:var(--green);
  box-shadow:0 0 0 2px rgba(198,242,78,.6);
}

.nav-toggle{
  display:none;
  width:42px;
  height:42px;
  align-items:center;
  justify-content:center;
  background:#fff;
  border:1.5px solid var(--line);
  border-radius:var(--r-btn);
  cursor:pointer;
  color:var(--green);
  font-size:17px;
}
.nav-toggle:hover{border-color:var(--teal);}

/* 移动端抽屉 */
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(12,59,46,.42);
  opacity:0;
  visibility:hidden;
  transition:opacity var(--t),visibility var(--t);
  z-index:60;
}
.mobile-drawer{
  position:fixed;
  top:0;
  right:0;
  height:100%;
  width:min(88vw,360px);
  background:#fff;
  padding:24px;
  display:flex;
  flex-direction:column;
  gap:10px;
  transform:translateX(102%);
  transition:transform .25s ease;
  z-index:70;
  overflow-y:auto;
  box-shadow:-18px 0 40px -20px rgba(12,59,46,.5);
}
body.drawer-open .mobile-drawer{transform:none;}
body.drawer-open .drawer-mask{opacity:1;visibility:visible;}
body.drawer-open{overflow:hidden;}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-bottom:14px;
  border-bottom:1px solid var(--line);
  margin-bottom:8px;
}
.drawer-title{font-weight:700;color:var(--green);font-size:16px;}
.drawer-close{
  width:38px;height:38px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);
  border-radius:10px;
  background:#fff;
  cursor:pointer;
  color:var(--ink-2);
}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  display:flex;
  align-items:center;
  height:48px;
  border-bottom:1px solid var(--line);
  font-size:16px;
  color:var(--ink);
}
.drawer-nav a.is-active{color:var(--green);font-weight:600;}
.drawer-search{width:100%;height:46px;border-radius:12px;margin-top:6px;}
.drawer-search input{width:100%;}
.drawer-cta{margin-top:8px;}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  font-size:13px;
  color:var(--ink-2);
  padding-top:20px;
}
.breadcrumb a{color:var(--ink-2);}
.breadcrumb a:hover{color:var(--green);text-decoration:underline;text-decoration-color:var(--lime);text-decoration-thickness:2px;text-underline-offset:3px;}
.breadcrumb .sep{margin:0 7px;opacity:.55;}
.breadcrumb .current{color:var(--green);font-weight:600;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:56px 0 72px;
  background:linear-gradient(180deg,#F4F6F4 0%,#FFFFFF 82%);
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(12,59,46,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(12,59,46,.06) 1px,transparent 1px);
  background-size:58px 58px;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),rgba(0,0,0,0) 72%);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),rgba(0,0,0,0) 72%);
  pointer-events:none;
}
.hero-grid{
  position:relative;
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:56px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--green-3);
  background:rgba(46,211,198,.13);
  border:1px solid rgba(46,211,198,.42);
  border-radius:999px;
  padding:5px 13px;
}
.hero h1{margin:18px 0 14px;}
.hero-sub{
  font-size:17px;
  color:var(--ink-2);
  max-width:540px;
  margin-bottom:28px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
.hero-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  list-style:none;
  margin-top:28px;
}
.hero-tags li{
  font-size:13px;
  color:var(--green-2);
  background:#fff;
  border:1px solid var(--line);
  border-radius:999px;
  padding:6px 14px;
}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--r-img);
  border:1px solid var(--line);
  box-shadow:var(--sh-card);
  background:var(--mist);
}
.float-card{
  position:absolute;
  left:-18px;
  bottom:28px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  padding:14px 20px;
  box-shadow:var(--sh-card);
  display:flex;
  flex-direction:column;
  gap:2px;
}
.float-card strong{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:30px;
  line-height:1.1;
  color:var(--green);
}
.float-card span{font-size:13px;color:var(--ink-2);}

/* ---------- 时间轴步骤 ---------- */
.timeline{
  position:relative;
  padding-left:58px;
  max-width:940px;
}
.timeline::before{
  content:"";
  position:absolute;
  left:19px;
  top:10px;
  bottom:16px;
  width:2px;
  background:linear-gradient(180deg,var(--lime),var(--teal));
  border-radius:2px;
}
.step{
  position:relative;
  padding-bottom:38px;
}
.step:last-child{padding-bottom:0;}
.step-num{
  position:absolute;
  left:-58px;
  top:0;
  width:40px;
  height:40px;
  border-radius:12px;
  background:var(--green);
  color:var(--lime);
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:15px;
  font-weight:700;
  display:flex;
  align-items:center;
  justify-content:center;
  border:3px solid #fff;
  box-shadow:0 8px 18px -10px rgba(12,59,46,.7);
}
.step h3{margin-bottom:8px;}
.step > p{color:var(--ink-2);margin-bottom:12px;max-width:760px;}
.step ul{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  list-style:none;
}
.step ul li{
  font-size:13px;
  color:var(--green-2);
  background:var(--mist);
  border:1px solid var(--line);
  border-radius:8px;
  padding:4px 11px;
}

/* ---------- 双列对比小卡 ---------- */
.compare-x{margin-bottom:0;}
.compare-card{
  height:100%;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:28px;
  background:#fff;
  box-shadow:var(--sh-card);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.compare-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--sh-hover);
  border-color:var(--teal);
}
.compare-card h3{margin-bottom:6px;}
.compare-card .card-note{font-size:13px;color:var(--ink-2);margin-bottom:18px;}
.compare-card.is-plan{background:rgba(12,59,46,.05);border-color:rgba(30,110,82,.28);}
.compare-list{list-style:none;display:flex;flex-direction:column;gap:12px;}
.compare-list li{
  display:flex;
  gap:10px;
  font-size:15px;
  color:var(--ink-2);
  line-height:1.7;
}
.compare-list li i{margin-top:6px;font-size:13px;}
.compare-list.is-plain li i{color:#A9B3AD;}
.compare-list.is-plan li{color:var(--ink);}
.compare-list.is-plan li i{color:var(--ok);}

/* ---------- 模块清单 ---------- */
.guide-list{border-top:1px solid var(--line);}
.guide-row{
  display:grid;
  grid-template-columns:70px 1fr 200px;
  gap:22px;
  align-items:center;
  padding:22px 6px;
  border-bottom:1px solid var(--line);
  transition:background-color var(--t);
}
.guide-row:hover{background:var(--mist);}
.guide-row .idx{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:20px;
  font-weight:700;
  color:var(--green-3);
}
.guide-row h3{font-size:18px;margin-bottom:4px;}
.guide-row p{font-size:15px;color:var(--ink-2);margin:0;}
.guide-row .go{justify-self:end;}
.badge{
  display:inline-block;
  font-size:12px;
  letter-spacing:.06em;
  padding:4px 10px;
  border-radius:6px;
  background:rgba(12,59,46,.08);
  color:var(--green);
  font-weight:600;
}

/* ---------- FAQ ---------- */
.faq-wrap{
  display:grid;
  grid-template-columns:minmax(280px,4fr) 8fr;
  gap:48px;
  align-items:start;
}
.faq-aside p{color:var(--ink-2);margin-top:12px;}
.contact-card{
  margin-top:24px;
  background:var(--green);
  color:rgba(255,255,255,.8);
  border-radius:var(--r-card);
  padding:26px;
}
.contact-card h3{color:#fff;font-size:18px;margin-bottom:8px;}
.contact-card p{font-size:14.5px;margin-bottom:16px;}
.contact-card .text-link{color:var(--lime);}
.contact-card .text-link:hover{text-decoration-color:var(--lime);}
.faq-list{border-top:1px solid var(--line);}
.faq-item{
  border-bottom:1px solid var(--line);
  padding:18px 0;
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:18px;
  font-size:17px;
  font-weight:600;
  color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--green);}
.faq-icon{
  flex-shrink:0;
  width:26px;
  height:26px;
  display:flex;
  align-items:center;
  justify-content:center;
  border:1px solid var(--line);
  border-radius:8px;
  color:var(--green);
  font-size:13px;
  transition:transform var(--t),border-color var(--t);
}
.faq-item[open] .faq-icon{transform:rotate(45deg);border-color:var(--teal);}
.faq-item[open] summary{color:var(--green);}
.faq-answer{
  margin-top:12px;
  padding-left:14px;
  border-left:3px solid var(--lime);
  color:var(--ink-2);
  font-size:15px;
  line-height:1.9;
}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:rgba(12,59,46,.05);
  border:1px solid rgba(30,110,82,.22);
  border-radius:var(--r-card);
  padding:32px 36px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
}
.cta-band h2{font-size:24px;margin-bottom:8px;}
.cta-band p{color:var(--ink-2);font-size:15px;max-width:640px;}
.cta-band .btn{flex-shrink:0;}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  background:var(--green);
  color:rgba(255,255,255,.72);
  padding:64px 0 0;
  margin-top:80px;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:2px;
  background:linear-gradient(90deg,var(--lime),var(--teal));
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:40px;
}
.footer-brand .brand{color:#fff;font-size:18px;}
.footer-brand p{
  font-size:14.5px;
  line-height:1.85;
  margin-top:16px;
  color:rgba(255,255,255,.7);
  max-width:320px;
}
.footer-col h4{
  color:#fff;
  font-size:15px;
  margin-bottom:16px;
}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:11px;}
.footer-col a{
  font-size:15px;
  color:rgba(255,255,255,.72);
}
.footer-col a:hover{
  color:var(--lime);
  text-decoration:underline;
  text-decoration-color:var(--lime);
  text-decoration-thickness:2px;
  text-underline-offset:4px;
}
.footer-contact li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:15px;
  color:rgba(255,255,255,.72);
}
.footer-contact i{margin-top:6px;color:var(--teal);font-size:13px;}
.footer-bottom{
  margin-top:48px;
  padding:20px 0;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .hero-grid{gap:40px;}
  .guide-row{grid-template-columns:60px 1fr 170px;}
}

@media (max-width:1024px){
  .main-nav{display:none;}
  .header-tools .search-box,
  .header-tools .btn{display:none;}
  .nav-toggle{display:flex;}
  .hero{padding:46px 0 60px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-visual{max-width:620px;}
  .float-card{left:16px;bottom:16px;}
  .faq-wrap{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .section{padding:64px 0;}
  .section-sm{padding:52px 0;}
}

@media (max-width:768px){
  body{font-size:16px;}
  .container{padding:0 16px;}
  .header-inner{height:64px;gap:16px;}
  .brand{font-size:17px;}
  .brand svg{width:30px;height:30px;}
  .section{padding:56px 0;}
  .section-sm{padding:44px 0;}
  .timeline{padding-left:46px;}
  .timeline::before{left:15px;}
  .step-num{left:-46px;width:34px;height:34px;border-radius:10px;font-size:13px;}
  .guide-row{grid-template-columns:1fr;gap:10px;padding:20px 4px;}
  .guide-row .go{justify-self:start;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:26px 22px;}
  .cta-band .btn{width:100%;}
  .site-footer{padding-top:52px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

@media (max-width:576px){
  h1{font-size:28px;}
  .hero-tags li{font-size:12.5px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{width:100%;}
  .compare-card{padding:22px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-brand p{max-width:none;}
}

/* roulang page: category3 */
:root{
  --green-900:#0C3B2E;
  --green-700:#14563F;
  --green-500:#1E6E52;
  --green-50:#EDF6F0;
  --lime:#C6F24E;
  --teal:#2ED3C6;
  --paper:#FFFFFF;
  --mist:#F4F6F4;
  --line:#E2E7E3;
  --ink:#1B211E;
  --ink-2:#5B6560;
  --ok:#2F9E6B;
  --warn:#E08A2B;
  --err:#C9453C;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-card:0 1px 2px rgba(16,32,26,.06), 0 12px 28px -12px rgba(16,32,26,.18);
  --shadow-hover:0 2px 4px rgba(16,32,26,.08), 0 22px 42px -18px rgba(16,32,26,.28);
  --container:1240px;
  --font-cn:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,sans-serif;
  --font-num:"DIN Alternate","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius-img);}
a{color:var(--green-700);text-decoration:none;transition:color .2s ease, background-color .2s ease, border-color .2s ease, box-shadow .2s ease;}
a:hover{color:var(--green-900);}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);letter-spacing:0;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:height .2s ease, box-shadow .2s ease;
}
.header-inner{
  display:flex;align-items:center;gap:24px;
  height:72px;
}
.site-header.is-scrolled .header-inner{height:64px;}
.site-header.is-scrolled{box-shadow:0 8px 24px -18px rgba(16,32,26,.5);backdrop-filter:blur(8px);}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand svg{width:34px;height:34px;flex:0 0 auto;}
.brand svg rect{stroke:var(--green-900);}
.brand svg path{stroke:var(--green-900);}
.brand-text{font-size:19px;font-weight:700;color:var(--green-900);white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:12px;}
.main-nav a{
  position:relative;
  font-size:15.5px;color:var(--ink-2);padding:6px 0;white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--lime);
  transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.main-nav a:hover{color:var(--green-900);}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.is-active{color:var(--green-900);font-weight:600;}
.main-nav a.is-active::after{transform:scaleX(1);}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:14px;}
.search-box{position:relative;}
.search-box input{
  width:210px;height:42px;border-radius:999px;border:1px solid var(--line);
  background:var(--mist);padding:0 16px 0 40px;font-size:14px;color:var(--ink);
  transition:border-color .2s ease, box-shadow .2s ease, background-color .2s ease;
}
.search-box input::placeholder{color:#93A09A;}
.search-box input:focus{outline:none;background:#fff;border-color:var(--green-500);box-shadow:0 0 0 2px var(--lime);}
.search-box i{position:absolute;left:15px;top:50%;transform:translateY(-50%);color:#93A09A;font-size:14px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--green-900);font-size:18px;cursor:pointer;
}
.mobile-drawer{display:none;}
.mobile-drawer.is-open{display:block;border-top:1px solid var(--line);background:#fff;}
.mobile-drawer .drawer-inner{padding:16px 24px 24px;display:flex;flex-direction:column;gap:6px;}
.mobile-drawer a.drawer-link{
  display:flex;align-items:center;height:48px;padding:0 12px;border-radius:10px;
  font-size:16px;color:var(--ink);font-weight:500;
}
.mobile-drawer a.drawer-link:hover{background:var(--mist);}
.mobile-drawer a.drawer-link.is-active{color:var(--green-900);font-weight:700;background:var(--green-50);}
.mobile-drawer .drawer-search{margin:8px 0;position:relative;}
.mobile-drawer .drawer-search input{width:100%;height:46px;border-radius:999px;border:1px solid var(--line);background:var(--mist);padding:0 16px 0 40px;font-size:14px;}
.mobile-drawer .drawer-search i{position:absolute;left:15px;top:50%;transform:translateY(-50%);color:#93A09A;}
body.drawer-open{overflow:hidden;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15.5px;font-weight:600;line-height:1;cursor:pointer;
  border:1.5px solid transparent;transition:all .2s ease;
}
.btn-primary{background:var(--lime);color:var(--green-900);box-shadow:0 8px 20px -12px rgba(12,59,46,.6);}
.btn-primary:hover{background:#D3F76B;color:var(--green-900);box-shadow:0 12px 26px -12px rgba(12,59,46,.7);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;border-color:var(--green-700);color:var(--green-700);}
.btn-ghost:hover{background:rgba(20,86,63,.08);color:var(--green-900);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{height:42px;padding:0 18px;font-size:14.5px;}
.btn-block{width:100%;}
.btn[disabled]{opacity:.4;cursor:not-allowed;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--green-700);}
.link-more i{transition:transform .2s ease;}
.link-more:hover i{transform:translateX(3px);}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  padding:56px 0 72px;
  background-image:linear-gradient(100deg,#FFFFFF 0%,rgba(255,255,255,.95) 46%,rgba(255,255,255,.80) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.breadcrumb{font-size:13px;color:var(--ink-2);margin-bottom:22px;}
.breadcrumb a{color:var(--ink-2);}
.breadcrumb a:hover{color:var(--green-700);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px;}
.breadcrumb .sep{margin:0 8px;color:#B4BDB8;}
.breadcrumb .current{color:var(--green-700);font-weight:600;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.06em;font-weight:600;
  color:var(--green-700);background:var(--green-50);border:1px solid #D5E7DB;
  border-radius:999px;padding:6px 14px;margin-bottom:18px;
}
.page-hero h1{font-size:44px;line-height:1.16;font-weight:700;max-width:16em;}
.hero-sub{margin-top:18px;font-size:17px;color:var(--ink-2);}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px;}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px;}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13px;font-weight:600;color:var(--green-700);
  background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 14px;
}
.chip i{color:var(--teal);font-size:12px;}
.hero-media{position:relative;margin-top:8px;}
.hero-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);border:1px solid var(--line);
}
.float-card{
  position:absolute;left:16px;bottom:-26px;
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:16px 22px;box-shadow:var(--shadow-card);
  display:flex;flex-direction:column;gap:2px;
}
.float-num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:30px;font-weight:700;color:var(--green-900);line-height:1.1;}
.float-label{font-size:13px;color:var(--ink-2);}

/* ---------- Sections ---------- */
.section{padding:80px 0;}
.section-tight{padding:64px 0;}
.section-alt{background:var(--mist);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{font-size:33px;line-height:1.26;}
.section-head p{margin-top:14px;font-size:16px;color:var(--ink-2);}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px;}

/* ---------- Checklist ---------- */
.check-list{display:flex;flex-direction:column;gap:2px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);height:100%;}
.check-list li{display:flex;gap:14px;padding:20px 24px;border-bottom:1px solid var(--line);transition:background-color .2s ease;}
.check-list li:last-child{border-bottom:0;}
.check-list li:hover{background:var(--green-50);}
.check-list .ico{
  flex:0 0 auto;width:34px;height:34px;border-radius:10px;
  background:var(--green-50);color:var(--green-700);
  display:flex;align-items:center;justify-content:center;font-size:14px;margin-top:3px;
}
.check-list h3{font-size:17px;font-weight:600;line-height:1.5;}
.check-list p{font-size:14.5px;color:var(--ink-2);margin-top:4px;line-height:1.75;}
.check-note{margin-top:28px;font-size:14px;color:var(--ink-2);display:flex;align-items:center;gap:10px;}
.check-note i{color:var(--teal);}

/* ---------- Table ---------- */
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:var(--radius-card);background:#fff;box-shadow:var(--shadow-card);}
table.spec-table{width:100%;min-width:820px;border-collapse:collapse;font-size:15px;}
table.spec-table caption{text-align:left;padding:18px 24px 0;font-size:13px;color:var(--ink-2);}
table.spec-table thead th{
  background:var(--green-50);color:var(--green-900);
  font-size:13.5px;font-weight:700;text-align:left;
  padding:16px 20px;border-bottom:1px solid var(--line);white-space:nowrap;
}
table.spec-table tbody td{padding:16px 20px;border-bottom:1px solid var(--line);color:var(--ink-2);line-height:1.7;}
table.spec-table tbody td:first-child{color:var(--ink);font-weight:600;white-space:nowrap;}
table.spec-table tbody tr{transition:background-color .2s ease;}
table.spec-table tbody tr:hover{background:#F0F7F1;}
table.spec-table tbody tr:last-child td{border-bottom:0;}
.tag{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.04em;
  padding:3px 10px;border-radius:6px;background:var(--green-50);color:var(--green-700);
}
.tag-teal{background:rgba(46,211,198,.14);color:#12786F;}

/* ---------- Cover cards ---------- */
.cover-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;height:100%;display:flex;flex-direction:column;
  box-shadow:var(--shadow-card);transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.cover-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--teal);}
.cover-card .thumb{overflow:hidden;aspect-ratio:16/9;background:var(--green-50);}
.cover-card .thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .25s ease;}
.cover-card:hover .thumb img{transform:scale(1.03);}
.cover-card .body{padding:26px 26px 28px;display:flex;flex-direction:column;flex:1 1 auto;}
.cover-card h3{font-size:21px;line-height:1.4;}
.cover-card p.desc{margin-top:12px;font-size:15px;color:var(--ink-2);line-height:1.8;}
.mini-list{margin-top:18px;display:flex;flex-direction:column;gap:10px;}
.mini-list li{display:flex;gap:10px;font-size:14.5px;color:var(--ink-2);line-height:1.7;}
.mini-list li i{color:var(--green-500);font-size:13px;margin-top:5px;}
.cover-card .foot{margin-top:auto;padding-top:22px;}

/* ---------- FAQ ---------- */
.faq-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-card);overflow:hidden;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:24px 26px;font-size:17px;font-weight:600;color:var(--ink);
  transition:background-color .2s ease, border-color .2s ease;
  border-left:3px solid transparent;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:var(--green-50);}
.faq-item summary .plus{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  background:var(--green-50);color:var(--green-700);
  display:flex;align-items:center;justify-content:center;font-size:12px;
  transition:transform .2s ease;
}
.faq-item[open] summary{border-left-color:var(--lime);background:#fff;}
.faq-item[open] summary .plus{transform:rotate(45deg);}
.faq-item .answer{padding:0 26px 26px 29px;font-size:15px;color:var(--ink-2);line-height:1.9;}
.faq-side{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:26px;box-shadow:var(--shadow-card);height:100%;}
.faq-side h3{font-size:19px;}
.faq-side p{margin-top:12px;font-size:14.5px;color:var(--ink-2);}
.faq-side .mini{margin-top:18px;display:flex;flex-wrap:wrap;gap:8px;}
.faq-side .mini span{font-size:12px;font-weight:600;color:var(--green-700);background:var(--green-50);padding:5px 12px;border-radius:999px;}
.faq-side .side-btn{margin-top:22px;}

/* ---------- CTA band ---------- */
.cta-band{
  margin:0 0 80px;
  background:rgba(20,86,63,.06);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:32px 36px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band h2{font-size:24px;line-height:1.4;}
.cta-band p{margin-top:8px;font-size:15px;color:var(--ink-2);}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--green-900);color:rgba(255,255,255,.72);
  padding:64px 0 26px;position:relative;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;width:96px;height:3px;background:var(--lime);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand .brand-text{color:#fff;font-size:18px;}
.footer-brand .brand svg rect{stroke:#FFFFFF;}
.footer-brand .brand svg path{stroke:#FFFFFF;}
.footer-brand .brand svg path:nth-child(3){stroke:var(--lime);}
.footer-brand p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.7);max-width:34em;}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;letter-spacing:.02em;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col ul a{font-size:15px;color:rgba(255,255,255,.72);}
.footer-col ul a:hover{color:var(--lime);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px;}
.footer-contact li{display:flex;gap:10px;font-size:14.5px;color:rgba(255,255,255,.72);line-height:1.7;}
.footer-contact i{color:var(--teal);margin-top:5px;}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- Responsive ---------- */
@media screen and (max-width:1200px){
  .main-nav{gap:18px;}
  .main-nav a{font-size:14.5px;}
  .search-box input{width:170px;}
  .page-hero h1{font-size:38px;}
}
@media screen and (max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media screen and (max-width:992px){
  .main-nav,.header-actions .search-box,.header-actions .btn{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .section{padding:64px 0;}
  .section-head h2{font-size:29px;}
  .page-hero{padding:40px 0 56px;}
  .page-hero h1{font-size:34px;}
  .hero-media{margin-top:34px;}
  .float-card{bottom:-20px;padding:14px 18px;}
}
@media screen and (max-width:768px){
  .container{padding:0 16px;}
  .header-inner{height:64px;gap:12px;}
  .brand-text{font-size:16.5px;white-space:normal;line-height:1.3;}
  .brand svg{width:30px;height:30px;}
  .page-hero h1{font-size:30px;}
  .hero-sub{font-size:16px;}
  .hero-cta .btn{flex:1 1 100%;}
  .section{padding:56px 0;}
  .section-tight{padding:48px 0;}
  .section-head h2{font-size:26px;}
  .section-head-row{align-items:flex-start;}
  .cta-band{padding:26px 22px;margin-bottom:56px;}
  .cta-band .btn{width:100%;}
  .check-list li{padding:18px 18px;}
  .cover-card .body{padding:22px;}
  .faq-item summary{padding:20px 20px;font-size:16px;}
  .faq-item .answer{padding:0 20px 22px 23px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .site-footer{padding:48px 0 24px;}
}
@media screen and (max-width:480px){
  body{font-size:16px;}
  .page-hero h1{font-size:26px;}
  .float-num{font-size:24px;}
  .chip{font-size:12px;padding:6px 12px;}
  .btn{height:46px;padding:0 18px;}
}