/* roulang page: index */
:root{
  --brand-900:#08201F;
  --brand-700:#0B3A38;
  --brand-500:#17695F;
  --brand-300:#2FA98C;
  --accent-500:#F2913D;
  --accent-100:#FDF1E3;
  --bg:#F7F5F1;
  --surface:#FFFFFF;
  --surface-2:#EFEBE4;
  --line:#E3DED6;
  --ink-900:#14181A;
  --ink-600:#4E5A58;
  --ink-400:#8A9492;
  --success:#2E8B62;
  --warning:#C9871F;
  --danger:#C0453B;
  --shadow-1:0 1px 2px rgba(20,24,26,.05),0 8px 24px rgba(20,24,26,.06);
  --shadow-2:0 10px 30px rgba(8,32,31,.14);
  --r-card:16px;
  --r-img:14px;
  --r-input:12px;
  --r-pill:999px;
  --r-badge:6px;
}
*,*::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","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-600);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{margin:0;color:var(--ink-900);letter-spacing:0}
h1{line-height:1.18}
h2{line-height:1.3}
h3{line-height:1.45}
p{margin:0}
a{color:var(--brand-700);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-500)}
img{max-width:100%;display:block}
ul,ol{margin:0;padding:0;list-style:none}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--brand-300);outline-offset:2px}
.container{max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.sec-title{position:relative;padding-top:16px;font-size:clamp(24px,3vw,36px);font-weight:700}
.sec-title::before{content:"";position:absolute;top:0;left:0;width:12px;height:4px;border-radius:2px;background:var(--accent-500)}
.sec-sub{margin-top:10px;font-size:15px;color:var(--ink-400);max-width:620px}
.sec-link{font-size:15px;font-weight:600;border-bottom:1px solid var(--accent-500);padding-bottom:2px}

/* ---------- 悬浮胶囊导航 ---------- */
.nav-wrap{position:fixed;top:16px;left:0;right:0;z-index:120;padding:0 16px;pointer-events:none}
.nav{
  max-width:1160px;margin:0 auto;height:64px;display:flex;align-items:center;gap:20px;
  padding:0 12px 0 18px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.86);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border:1px solid var(--line);box-shadow:var(--shadow-2);
  pointer-events:auto;transition:height .18s ease,background .18s ease;
}
.nav.is-scrolled{height:56px;background:rgba(255,255,255,.96)}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-text{font-size:17px;font-weight:800;color:var(--brand-900);letter-spacing:0}
.logo-text em{font-style:normal;font-weight:600;color:var(--brand-500);margin-left:2px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1 1 auto}
.nav-links a{
  position:relative;display:inline-block;padding:9px 16px;border-radius:var(--r-pill);
  font-size:15px;color:var(--ink-600);white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:50%;bottom:4px;width:0;height:2px;border-radius:2px;
  background:var(--accent-500);transform:translateX(-50%);transition:width .18s ease;
}
.nav-links a:hover{color:var(--brand-700)}
.nav-links a:hover::after{width:18px}
.nav-links a.active{background:var(--brand-900);color:#fff}
.nav-links a.active::after{display:none}
.nav-cta{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:50%;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand-900);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.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)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:none;border-radius:var(--r-pill);padding:14px 28px;font-size:15px;font-weight:600;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--accent-500);color:var(--ink-900)}
.btn-primary:hover{background:#e07f28;color:var(--ink-900);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-primary:focus-visible{outline:2px solid var(--brand-300);outline-offset:2px}
.btn-ghost{background:transparent;border:1.5px solid var(--brand-700);color:var(--brand-700);padding:12.5px 26.5px}
.btn-ghost:hover{background:var(--brand-900);border-color:var(--brand-900);color:#fff;transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-ghost.on-dark{border-color:rgba(255,255,255,.5);color:#fff}
.btn-ghost.on-dark:hover{background:#fff;border-color:#fff;color:var(--brand-900)}
.btn-sm{padding:9px 18px;font-size:14px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-700)}
.link-arrow svg{transition:transform .18s ease}
.link-arrow:hover svg{transform:translateX(3px)}

/* ---------- 徽章 / 标签 ---------- */
.badge{display:inline-block;font-size:12px;line-height:1.6;padding:3px 10px;border-radius:var(--r-badge);background:var(--accent-100);color:var(--brand-700)}
.badge--up{background:rgba(46,139,98,.12);color:var(--success)}
.badge--warn{background:rgba(201,135,31,.12);color:var(--warning)}
.badge--down{background:rgba(192,69,59,.12);color:var(--danger)}
.badge--soft{background:var(--surface-2);color:var(--ink-600)}
.tag{display:inline-block;font-size:12px;padding:4px 10px;border-radius:var(--r-badge);background:var(--surface-2);color:var(--ink-600)}

/* ---------- 首屏 ---------- */
.hero{position:relative;padding:150px 0 100px;background:var(--brand-900);overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-1.png);
  background-size:cover;background-position:center;opacity:.32;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,32,31,.86) 0%,rgba(8,32,31,.78) 60%,rgba(8,32,31,.92) 100%);
}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.hero-brand{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);
  color:rgba(255,255,255,.9);font-size:13px;
}
.hero h1{color:#fff;font-size:clamp(30px,4.2vw,52px);font-weight:800;margin:22px 0 18px}
.hero-sub{color:rgba(255,255,255,.78);font-size:17px;max-width:580px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.hero-tags{display:flex;gap:24px;flex-wrap:wrap;margin-top:30px}
.hero-tag{display:inline-flex;align-items:center;gap:8px;color:rgba(255,255,255,.82);font-size:14px}
.hero-tag i{width:7px;height:7px;border-radius:50%;background:var(--brand-300);display:block;flex:0 0 7px}

.board{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-1);
}
.board-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}
.board-title{font-size:15px;font-weight:700;color:var(--ink-900)}
.board-live{display:inline-flex;align-items:center;gap:6px;font-size:12px;padding:4px 10px;border-radius:var(--r-badge);background:rgba(46,139,98,.12);color:var(--success)}
.board-live i{width:6px;height:6px;border-radius:50%;background:var(--success);display:block}
.board-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.mini{background:var(--surface-2);border-radius:12px;padding:14px 16px}
.mini b{display:block;font-size:26px;font-weight:800;color:var(--brand-700);line-height:1.2;font-variant-numeric:tabular-nums}
.mini span{font-size:13px;color:var(--ink-400)}
.trend{margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}
.trend-top{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-400)}
.trend-bars{display:flex;align-items:flex-end;gap:6px;height:56px;margin-top:12px}
.trend-bars i{flex:1 1 0;display:block;border-radius:4px 4px 2px 2px;background:var(--brand-300);transition:background .18s ease}
.trend-bars i:hover{background:var(--accent-500)}

/* ---------- 指标看板 ---------- */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.metric{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-1);transition:transform .18s ease,box-shadow .18s ease;
}
.metric:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.metric .label{font-size:13px;color:var(--ink-400)}
.metric .num{font-size:34px;font-weight:800;color:var(--brand-700);line-height:1.1;margin:12px 0 14px;font-variant-numeric:tabular-nums}
.metric .note{margin-top:12px;font-size:13px;color:var(--ink-400)}

/* ---------- 服务矩阵 ---------- */
.matrix{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.svc{
  position:relative;display:flex;flex-direction:column;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease;
}
.svc::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--brand-500);transition:background .18s ease}
.svc:nth-child(even)::before{background:var(--brand-300)}
.svc:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.svc:hover::before{background:var(--accent-500)}
.svc.big{grid-column:span 2;grid-row:span 2;padding:32px}
.svc h3{font-size:19px;font-weight:600;margin:16px 0 8px}
.svc.big h3{font-size:24px;font-weight:700;margin:18px 0 12px}
.svc p{font-size:15px;line-height:1.8}
.svc .svc-ico{
  width:46px;height:46px;border-radius:14px;background:var(--accent-100);
  display:flex;align-items:center;justify-content:center;color:var(--brand-700);
}
.svc.big .svc-ico{width:54px;height:54px;border-radius:16px}
.svc-foot{margin-top:auto;padding-top:18px}
.svc-figure{margin-top:20px;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line)}
.svc-figure img{width:100%;height:180px;object-fit:cover}
.svc-points{margin-top:18px;display:grid;gap:10px}
.svc-points li{display:flex;gap:10px;font-size:15px;color:var(--ink-600)}
.svc-points li::before{content:"";flex:0 0 6px;width:6px;height:6px;margin-top:10px;border-radius:50%;background:var(--accent-500)}

/* ---------- 对比 ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.cmp-col{border-radius:var(--r-card);padding:32px}
.cmp-col.left{background:var(--surface-2);border:1px solid var(--line)}
.cmp-col.right{background:var(--surface);border:1.5px solid var(--accent-500);box-shadow:var(--shadow-1)}
.cmp-col h3{font-size:19px;font-weight:700;margin-bottom:8px}
.cmp-col .cmp-desc{font-size:14px;color:var(--ink-400);margin-bottom:18px}
.cmp-row{display:flex;gap:12px;padding:15px 0;border-bottom:1px dashed var(--line);font-size:15px}
.cmp-row:last-child{border-bottom:none}
.cmp-row i{
  flex:0 0 20px;width:20px;height:20px;margin-top:5px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-style:normal;font-size:12px;font-weight:700;
}
.cmp-col.left .cmp-row i{background:rgba(192,69,59,.12);color:var(--danger)}
.cmp-col.right .cmp-row i{background:rgba(46,139,98,.12);color:var(--success)}

/* ---------- 资讯列表 ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post{
  display:flex;gap:14px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);padding:16px;box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease;
}
.post:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.post-thumb{
  flex:0 0 84px;width:84px;height:64px;border-radius:12px;object-fit:cover;
  border:1px solid var(--line);background:var(--surface-2);
}
.post-body{flex:1 1 auto;min-width:0;display:flex;flex-direction:column}
.post-title{font-size:16px;font-weight:600;margin:8px 0 6px;color:var(--ink-900);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-title a{color:inherit}
.post-title a:hover{color:var(--brand-700)}
.post-sum{font-size:13px;line-height:1.75;color:var(--ink-400);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{margin-top:auto;padding-top:10px;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12px;color:var(--ink-400)}
.post-more{font-size:13px;font-weight:600;color:var(--brand-700)}
.post-empty{
  grid-column:1/-1;min-height:180px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:12px;text-align:center;background:var(--surface);border:1px dashed var(--line);
  border-radius:var(--r-card);color:var(--ink-400);font-size:14px;padding:32px;
}

/* ---------- FAQ ---------- */
.faq{max-width:860px;margin:0 auto}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 0;font-size:18px;font-weight:600;color:var(--ink-900);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"";flex:0 0 16px;width:16px;height:16px;transition:transform .2s ease;
  background:
    linear-gradient(var(--brand-700),var(--brand-700)) center/16px 2px no-repeat,
    linear-gradient(var(--brand-700),var(--brand-700)) center/2px 16px no-repeat;
}
.faq details[open] summary{color:var(--brand-700)}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .faq-body{padding:0 0 22px;font-size:15px;line-height:1.9;color:var(--ink-600);max-width:760px}
.faq summary:focus-visible{outline:2px solid var(--brand-300);outline-offset:4px;border-radius:8px}

/* ---------- 表单 ---------- */
.contact-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start}
.contact-points{margin-top:22px;display:grid;gap:14px}
.contact-points li{display:flex;gap:12px;font-size:15px}
.contact-points i{
  flex:0 0 22px;width:22px;height:22px;margin-top:6px;border-radius:50%;
  background:var(--accent-100);color:var(--brand-700);
  display:flex;align-items:center;justify-content:center;font-style:normal;font-size:12px;font-weight:700;
}
.form-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:32px;box-shadow:var(--shadow-1)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
.field label{font-size:14px;color:var(--ink-600);font-weight:600}
.req{color:var(--accent-500);margin-left:2px}
.field input,.field textarea{
  width:100%;background:#fff;border:1px solid var(--line);border-radius:var(--r-input);
  padding:14px;font-size:15px;transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{min-height:120px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:#B4BCBA}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--brand-500);box-shadow:0 0 0 4px rgba(47,169,140,.16)}
.field input:disabled,.field textarea:disabled{opacity:.5;cursor:not-allowed}
.form-foot{margin-top:22px;display:flex;flex-direction:column;gap:12px}
.form-hint{font-size:13px;color:var(--ink-400)}
.form-status{display:none;padding:12px 16px;border-radius:12px;font-size:14px}
.form-status.ok{display:block;background:rgba(46,139,98,.12);color:var(--success)}
.form-status.err{display:block;background:rgba(192,69,59,.12);color:var(--danger)}

/* ---------- 页脚 ---------- */
.footer{background:var(--brand-900);color:rgba(255,255,255,.72);margin-top:96px;padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:40px}
.footer .logo-text{color:#fff}
.footer .logo-text em{color:var(--brand-300)}
.footer-about{margin-top:18px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.6);max-width:320px}
.footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-col a{display:block;padding:6px 0;font-size:14px;color:rgba(255,255,255,.72)}
.footer-col a:hover{color:var(--accent-500)}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{padding:0 24px}
  .section{padding:72px 0}
  .hero{padding:132px 0 84px}
  .hero-grid{gap:32px}
}
@media (max-width:991px){
  .nav-links{
    display:none;position:fixed;top:92px;left:16px;right:16px;
    flex-direction:column;align-items:stretch;gap:2px;margin:0;
    background:rgba(255,255,255,.97);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
    border:1px solid var(--line);border-radius:24px;padding:12px;box-shadow:var(--shadow-2);
  }
  .nav-links.is-open{display:flex}
  .nav-links a{padding:15px 18px;font-size:16px;border-radius:16px}
  .nav-links a::after{display:none}
  .nav-links a.active{background:var(--brand-900);color:#fff}
  .nav-toggle{display:flex}
  .nav-cta .btn{display:none}
  .nav{padding-right:10px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .board{max-width:520px}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .matrix{grid-template-columns:repeat(2,1fr)}
  .svc.big{grid-column:span 2;grid-row:auto}
  .compare{grid-template-columns:1fr}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .section--tight{padding:48px 0}
  .hero{padding:118px 0 64px}
  .hero h1{font-size:clamp(30px,8vw,38px)}
  .hero-sub{font-size:16px}
  .hero-cta .btn{width:100%}
  .hero-tags{gap:14px;flex-direction:column;align-items:flex-start}
  .metrics{grid-template-columns:1fr 1fr;gap:16px}
  .matrix{grid-template-columns:1fr;gap:16px}
  .svc.big{grid-column:span 1;padding:24px}
  .svc.big h3{font-size:20px}
  .post-grid{grid-template-columns:1fr;gap:16px}
  .post{flex-direction:column;gap:12px}
  .post-thumb{flex:none;width:100%;height:0;padding-bottom:56.25%;border-radius:var(--r-img)}
  .post-thumb{object-fit:cover}
  .cmp-col{padding:24px}
  .form-grid{grid-template-columns:1fr}
  .form-card{padding:22px}
  .form-card .btn{width:100%}
  .footer{padding:56px 0 0;margin-top:56px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .board-grid{grid-template-columns:1fr 1fr}
  .faq summary{font-size:16px;padding:18px 0}
  .sec-head{margin-bottom:28px}
}
@media (max-width:520px){
  .metrics{grid-template-columns:1fr}
  .board-grid{grid-template-columns:1fr}
  .mini b{font-size:22px}
}

/* roulang page: article */
:root{
  --brand-900:#08201F;
  --brand-700:#0B3A38;
  --brand-500:#17695F;
  --brand-300:#2FA98C;
  --accent-500:#F2913D;
  --accent-100:#FDF1E3;
  --bg:#F7F5F1;
  --surface:#FFFFFF;
  --surface-2:#EFEBE4;
  --line:#E3DED6;
  --ink-900:#14181A;
  --ink-600:#4E5A58;
  --ink-400:#8A9492;
  --success:#2E8B62;
  --warning:#C9871F;
  --danger:#C0453B;
  --radius-card:16px;
  --radius-img:14px;
  --shadow-1:0 1px 2px rgba(20,24,26,.05),0 8px 24px rgba(20,24,26,.06);
  --shadow-2:0 10px 30px rgba(8,32,31,.14);
  --space-section:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-600);
  background:var(--bg);
}
img{max-width:100%;display:block}
a{color:var(--brand-700);text-decoration:none}
a:hover{color:var(--brand-500)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700}
p{margin:0 0 1.1em}
ul,ol{margin:0 0 1.1em;padding-left:1.2em}
:focus-visible{outline:2px solid var(--brand-300);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

/* ===== 悬浮胶囊导航 ===== */
.nav{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  width:calc(100% - 32px);max-width:1160px;height:64px;z-index:200;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:0 14px 0 20px;border-radius:999px;
  background:rgba(255,255,255,.86);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border:1px solid var(--line);box-shadow:var(--shadow-2);
  transition:height .22s ease,background .22s ease;
}
.nav.is-scrolled{height:56px;background:rgba(255,255,255,.96)}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo svg{display:block}
.logo-text{font-size:19px;font-weight:800;color:var(--brand-900);line-height:1}
.logo-text em{font-style:normal;font-size:14px;font-weight:700;color:var(--brand-500);margin-left:3px}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-links a{
  position:relative;display:inline-block;padding:9px 16px;border-radius:999px;
  font-size:15px;font-weight:500;color:var(--ink-600);text-decoration:none;
  transition:color .18s ease,background .18s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:50%;bottom:3px;transform:translateX(-50%);
  width:0;height:2px;border-radius:2px;background:var(--accent-500);transition:width .18s ease;
}
.nav-links a:hover{color:var(--brand-700);background:rgba(239,235,228,.7)}
.nav-links a:hover::after{width:16px}
.nav-links a.active{background:var(--brand-900);color:#fff}
.nav-links a.active::after{display:none}
.nav-cta{display:flex;align-items:center;gap:8px}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:999px;
  background:#fff;cursor:pointer;padding:0;position:relative;
}
.nav-toggle span{
  position:absolute;left:12px;width:18px;height:2px;border-radius:2px;background:var(--brand-700);
  transition:transform .2s ease,opacity .2s ease;
}
.nav-toggle span:nth-child(1){top:14px}
.nav-toggle span:nth-child(2){top:20px}
.nav-toggle span:nth-child(3){top:26px}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;border-radius:999px;padding:14px 28px;cursor:pointer;
  font-size:15px;font-weight:600;line-height:1;text-decoration:none;
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease,color .18s ease;
}
.btn-primary{background:var(--accent-500);color:var(--ink-900);box-shadow:0 6px 18px rgba(242,145,61,.30)}
.btn-primary:hover{background:#e2802c;color:var(--ink-900);transform:translateY(-2px);box-shadow:0 12px 26px rgba(242,145,61,.34)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(242,145,61,.28)}
.btn-ghost{background:transparent;border:1.5px solid var(--brand-700);color:var(--brand-700)}
.btn-ghost:hover{background:var(--brand-900);border-color:var(--brand-900);color:#fff;transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-link{
  color:var(--brand-700);font-weight:600;text-decoration:none;
  border-bottom:1px solid var(--accent-500);padding-bottom:2px;
}
.btn-link:hover{color:var(--brand-500);border-bottom-width:2px}

/* ===== 徽章 / 标签 ===== */
.badge{display:inline-flex;align-items:center;border-radius:6px;font-size:12px;font-weight:600;padding:3px 10px;line-height:1.6}
.badge-accent{background:var(--accent-100);color:var(--brand-700)}
.badge-soft{background:var(--surface-2);color:var(--ink-600)}
.tag-list{display:flex;flex-wrap:wrap;gap:8px}
.tag{display:inline-block;background:var(--surface-2);color:var(--ink-600);border-radius:6px;font-size:12px;padding:4px 10px}

/* ===== 文章头部 ===== */
.article-hero{
  position:relative;padding:132px 0 96px;color:#fff;
  background:var(--brand-900) url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,32,31,.88) 0%,rgba(8,32,31,.90) 55%,rgba(8,32,31,.94) 100%);
}
.article-hero .container{position:relative;z-index:1}
.breadcrumb{
  display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);
  margin-bottom:22px;overflow:hidden;white-space:nowrap;
}
.breadcrumb a{color:rgba(255,255,255,.72)}
.breadcrumb a:hover{color:var(--accent-500)}
.breadcrumb .sep{opacity:.5}
.breadcrumb .current{color:#fff;overflow:hidden;text-overflow:ellipsis;max-width:52vw}
.article-title{
  font-size:clamp(26px,3.4vw,40px);font-weight:800;line-height:1.28;color:#fff;
  max-width:900px;margin-bottom:22px;
}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:12px;font-size:14px;color:rgba(255,255,255,.78)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.4)}

/* ===== 正文容器 ===== */
.article-wrap{padding:0 0 var(--space-section)}
.article-main{
  position:relative;z-index:2;max-width:820px;margin:-52px auto 0;
  background:var(--surface);border:1px solid var(--line);border-radius:20px;
  box-shadow:var(--shadow-1);padding:48px 56px;
}
.article-topbar{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:26px}
.article-topbar .hint{font-size:13px;color:var(--ink-400)}
.article-body{font-size:17px;line-height:1.95;color:var(--ink-600)}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  position:relative;font-size:clamp(22px,2.4vw,28px);font-weight:700;line-height:1.4;
  margin:44px 0 18px;padding-left:16px;border-left:3px solid var(--accent-500);
}
.article-body h3{
  font-size:19px;font-weight:600;line-height:1.45;margin:32px 0 14px;
  padding-left:14px;border-left:3px solid var(--brand-500);
}
.article-body ul,.article-body ol{padding-left:0;list-style:none}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:10px}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--brand-300);
}
.article-body ol{counter-reset:li}
.article-body ol li{position:relative;padding-left:30px;margin-bottom:10px;counter-increment:li}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:.15em;width:20px;height:20px;border-radius:50%;
  background:var(--accent-100);color:var(--brand-700);font-size:12px;font-weight:700;
  display:flex;align-items:center;justify-content:center;line-height:1;
}
.article-body blockquote{
  margin:26px 0;padding:16px 22px;background:var(--surface-2);
  border-left:3px solid var(--brand-500);border-radius:0 12px 12px 0;color:var(--ink-600);
}
.article-body img{border-radius:12px;margin:26px auto;border:1px solid var(--line)}
.article-body figure{margin:26px 0}
.article-body figcaption{text-align:center;font-size:13px;color:var(--ink-400);margin-top:8px}
.article-body table{display:block;width:100%;overflow-x:auto;border-collapse:collapse;margin:24px 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-body th{background:var(--surface-2);color:var(--ink-900)}
.article-body pre{overflow-x:auto;background:var(--brand-900);color:#E8F3F0;padding:16px 18px;border-radius:12px;font-size:14px}
.article-body a{color:var(--brand-700);border-bottom:1px solid var(--accent-500)}
.article-body a:hover{color:var(--brand-500)}
.article-foot{margin-top:40px;padding-top:24px;border-top:1px solid var(--line)}
.article-foot .tag-list{margin-bottom:28px}
.inline-cta{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:var(--accent-100);border-radius:16px;padding:24px 28px;
}
.inline-cta h3{font-size:18px;font-weight:700;margin-bottom:6px}
.inline-cta p{margin:0;font-size:14px;color:var(--ink-600)}
.back-row{text-align:center;margin-top:32px}

/* ===== 相关阅读 ===== */
.related{max-width:820px;margin:64px auto 0}
.related-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:24px}
.related-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;position:relative;padding-top:14px}
.related-head h2::before{
  content:"";position:absolute;top:0;left:0;width:12px;height:4px;border-radius:2px;background:var(--accent-500);
}
.list-card{
  display:flex;gap:20px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:18px;box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease;margin-bottom:16px;
}
.list-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.list-card .thumb{
  flex:0 0 160px;width:160px;height:100px;border-radius:var(--radius-img);overflow:hidden;
  border:1px solid var(--line);background:var(--surface-2);
}
.list-card .thumb img{width:100%;height:100%;object-fit:cover}
.list-card .body{min-width:0;display:flex;flex-direction:column;gap:8px}
.list-card h3{font-size:18px;font-weight:600;line-height:1.45}
.list-card h3 a{color:var(--ink-900)}
.list-card h3 a:hover{color:var(--brand-700)}
.list-card .meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--ink-400);margin-top:auto}
.list-card .meta a{color:var(--brand-700);font-weight:600;border-bottom:1px solid var(--accent-500);padding-bottom:1px}

/* ===== 空态 ===== */
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  min-height:200px;background:var(--surface-2);border:1px dashed var(--line);border-radius:16px;
  padding:36px 24px;text-align:center;color:var(--ink-400);
}
.empty-state strong{color:var(--ink-900);font-size:18px;font-weight:700}
.empty-state svg{opacity:.9}

/* ===== 页脚 ===== */
.footer{background:var(--brand-900);color:rgba(255,255,255,.72);padding:72px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
.footer .logo-text{color:#fff}
.footer .logo-text em{color:var(--accent-500)}
.footer-about{font-size:14px;line-height:1.85;margin:16px 0 0;color:rgba(255,255,255,.66);max-width:320px}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.72);padding:5px 0;transition:color .18s ease}
.footer-col a:hover{color:var(--accent-500)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .container{padding:0 24px}
  .article-main{padding:40px 36px}
}
@media (max-width:991px){
  :root{--space-section:72px}
  .nav-toggle{display:block}
  .nav{padding:0 12px 0 16px}
  .nav-links{
    position:fixed;top:88px;left:16px;right:16px;z-index:199;
    display:none;flex-direction:column;align-items:stretch;gap:4px;padding:12px;
    background:rgba(255,255,255,.97);backdrop-filter:blur(12px);
    border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow-2);
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:0 18px;height:52px;display:flex;align-items:center;border-radius:14px;font-size:16px}
  .nav-links a::after{display:none}
  .nav-links a.active{background:var(--brand-900);color:#fff}
  .nav-cta .btn{display:none}
  .article-hero{padding:120px 0 84px}
  .article-main{margin-top:-40px}
  .related{max-width:100%}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .article-hero{padding:110px 0 76px}
  .article-main{padding:28px 20px;border-radius:16px;margin-top:-32px}
  .article-body{font-size:16px;line-height:1.9}
  .article-title{font-size:clamp(24px,6vw,30px)}
  .breadcrumb .current{max-width:40vw}
  .inline-cta{flex-direction:column;align-items:flex-start;padding:22px}
  .inline-cta .btn{width:100%}
  .list-card{flex-direction:column;gap:14px}
  .list-card .thumb{flex:none;width:100%;height:auto;aspect-ratio:16/9}
  .related-head{flex-direction:column;align-items:flex-start;gap:8px}
  .footer{padding:56px 0 24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px;margin-top:32px}
}
@media (max-width:520px){
  .footer-grid{grid-template-columns:1fr}
  .btn{padding:13px 22px}
  .article-body h2{font-size:21px}
}

/* roulang page: category1 */
:root{
  --brand-900:#08201F;
  --brand-700:#0B3A38;
  --brand-500:#17695F;
  --brand-300:#2FA98C;
  --accent-500:#F2913D;
  --accent-100:#FDF1E3;
  --bg:#F7F5F1;
  --surface:#FFFFFF;
  --surface-2:#EFEBE4;
  --line:#E3DED6;
  --ink-900:#14181A;
  --ink-600:#4E5A58;
  --ink-400:#8A9492;
  --success:#2E8B62;
  --warning:#C9871F;
  --danger:#C0453B;
  --shadow-1:0 1px 2px rgba(20,24,26,.05),0 8px 24px rgba(20,24,26,.06);
  --shadow-2:0 10px 30px rgba(8,32,31,.14);
  --r-card:16px;
  --r-img:14px;
  --r-input:12px;
  --r-pill:999px;
  --r-badge:6px;
}
*,*::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","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;line-height:1.85;color:var(--ink-600);background:var(--bg);
  font-variant-numeric:tabular-nums;
}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;line-height:1.35}
h1{font-size:clamp(30px,4.2vw,52px);font-weight:800;line-height:1.18}
h2{font-size:clamp(24px,3vw,36px);line-height:1.3}
h3{font-size:18px;font-weight:600;line-height:1.45}
p{margin:0}
a{color:inherit;text-decoration:none;transition:color .18s ease}
img{max-width:100%;display:block}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brand-300);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section-alt{background:var(--surface-2)}
.sec-head{max-width:760px;margin-bottom:44px}
.sec-title{position:relative;padding-top:18px}
.sec-title::before{content:"";position:absolute;left:0;top:0;width:12px;height:4px;border-radius:2px;background:var(--accent-500)}
.sec-desc{margin-top:14px;font-size:16px;color:var(--ink-600)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-400);margin-bottom:12px}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--brand-300)}

/* ============ 悬浮胶囊导航 ============ */
.nav{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  width:min(1160px,calc(100% - 32px));height:64px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:0 12px 0 18px;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border:1px solid var(--line);border-radius:var(--r-pill);
  box-shadow:var(--shadow-2);z-index:200;
  transition:height .22s ease,background .22s ease;
}
.nav.is-scrolled{height:56px;background:rgba(255,255,255,.96)}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-text{font-size:19px;font-weight:800;color:var(--brand-900);letter-spacing:0;line-height:1}
.logo-text em{font-style:normal;font-weight:600;font-size:14px;color:var(--brand-500);margin-left:2px}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 15px;
  font-size:15px;font-weight:500;color:var(--ink-600);border-radius:var(--r-pill);
  transition:color .18s ease,background .18s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:50%;bottom:5px;width:0;height:2px;border-radius:2px;
  background:var(--accent-500);transform:translateX(-50%);transition:width .18s ease;
}
.nav-links a:hover{color:var(--brand-700)}
.nav-links a:hover::after{width:16px}
.nav-links a.active{background:var(--brand-900);color:#fff}
.nav-links a.active::after{display:none}
.nav-cta{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{display:none;width:42px;height:42px;border-radius:50%;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand-900);transition:transform .2s ease,opacity .2s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);font-weight:600;line-height:1;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn-primary{padding:14px 28px;font-size:15px;background:var(--accent-500);color:var(--ink-900);box-shadow:0 6px 18px rgba(242,145,61,.28)}
.btn-primary:hover{background:#E5842C;transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{padding:13px 26px;font-size:15px;border:1.5px solid var(--brand-700);color:var(--brand-700);background:transparent}
.btn-ghost:hover{background:var(--brand-900);color:#fff;border-color:var(--brand-900);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{padding:9px 20px;font-size:14px}
.btn-block{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--brand-700);font-weight:600;font-size:15px}
.link-arrow span{border-bottom:1px solid var(--accent-500);padding-bottom:2px;transition:border-width .18s ease}
.link-arrow:hover span{border-bottom-width:2px}
.btn-group{display:flex;flex-wrap:wrap;gap:14px}

/* ============ 页头 ============ */
.page-head{padding:140px 0 76px;position:relative;overflow:hidden}
.page-head::before{
  content:"";position:absolute;right:-140px;top:-100px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,169,140,.18),rgba(47,169,140,0) 70%);
}
.page-head-grid{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:52px;align-items:center}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-400);margin-bottom:18px;flex-wrap:wrap}
.breadcrumb a{color:var(--brand-700)}
.breadcrumb a:hover{color:var(--accent-500)}
.breadcrumb i{font-style:normal;color:var(--ink-400)}
.page-head h1{margin-bottom:18px}
.page-head .lead{font-size:17px;max-width:620px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.tag{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;font-size:12px;border-radius:var(--r-badge);background:var(--surface-2);color:var(--ink-600)}
.tag-accent{background:var(--accent-100);color:var(--brand-700);font-weight:600}
.head-visual{position:relative;aspect-ratio:4/3;border-radius:20px;overflow:hidden;border:1px solid var(--line);background:var(--brand-700);box-shadow:var(--shadow-2)}
.head-visual img{position:relative;z-index:1;width:100%;height:100%;object-fit:cover}
.ph-layer{position:absolute;inset:0;display:grid;place-items:center;opacity:.28}
.head-badge{
  position:absolute;left:18px;bottom:18px;z-index:2;background:rgba(8,32,31,.82);color:#fff;
  border-radius:14px;padding:12px 16px;font-size:13px;line-height:1.6;backdrop-filter:blur(6px);
}
.head-badge strong{display:block;font-size:20px;font-weight:800;color:var(--accent-500)}

/* ============ 步骤条 ============ */
.steps{position:relative;display:grid;gap:18px;max-width:900px}
.steps::before{content:"";position:absolute;left:25px;top:14px;bottom:14px;width:1px;background:var(--line)}
.step{position:relative;display:grid;grid-template-columns:52px 1fr;gap:20px;align-items:start}
.step-num{
  position:relative;z-index:1;width:52px;height:52px;border-radius:50%;
  display:grid;place-items:center;background:var(--surface);border:1px solid var(--line);
  color:var(--brand-700);font-weight:800;font-size:16px;box-shadow:var(--shadow-1);
}
.step-body{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:20px 24px;box-shadow:var(--shadow-1);transition:box-shadow .18s ease,transform .18s ease}
.step:hover .step-body{box-shadow:var(--shadow-2);transform:translateY(-2px)}
.step-body p{margin-top:8px;font-size:15px}

/* ============ 图文交错 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split + .split{margin-top:72px}
.split-visual{position:relative;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);aspect-ratio:16/11;background:var(--surface-2)}
.split-visual img{position:relative;z-index:1;width:100%;height:100%;object-fit:cover}
.split h3{font-size:22px;margin-bottom:14px}
.split p + p{margin-top:12px}
.mini-list{margin-top:18px;display:grid;gap:10px}
.mini-list li{display:flex;gap:10px;font-size:15px;align-items:flex-start}
.dot{flex:0 0 auto;width:7px;height:7px;border-radius:50%;background:var(--brand-300);margin-top:10px}

/* ============ 数据小卡组 ============ */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--shadow-1);transition:box-shadow .18s ease,transform .18s ease}
.stat-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px)}
.stat-label{font-size:12px;color:var(--ink-400);letter-spacing:0}
.stat-value{font-size:34px;font-weight:800;color:var(--brand-700);line-height:1.2;margin-top:10px}
.stat-value small{font-size:15px;font-weight:600;margin-left:4px}
.stat-note{margin-top:8px;font-size:13px;color:var(--ink-400);line-height:1.7}
.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 9px;border-radius:var(--r-badge);font-size:12px;font-weight:600}
.badge-up{background:rgba(46,139,98,.12);color:var(--success)}
.badge-flat{background:rgba(201,135,31,.12);color:var(--warning)}

/* ============ 清单 + 侧边小卡 ============ */
.check-wrap{display:grid;grid-template-columns:1.7fr 1fr;gap:32px;align-items:start}
.check-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:32px;box-shadow:var(--shadow-1)}
.check-list{display:grid;gap:16px;margin-top:8px}
.check-list li{display:grid;grid-template-columns:26px 1fr;gap:12px;align-items:start;font-size:15px}
.check-ico{width:22px;height:22px;border-radius:50%;background:rgba(47,169,140,.14);color:var(--brand-500);display:grid;place-items:center;font-size:12px;font-weight:800;margin-top:6px}
.side-card{background:var(--accent-100);border:1px solid rgba(242,145,61,.35);border-radius:var(--r-card);padding:26px}
.side-card h3{font-size:17px;margin-bottom:10px}
.side-card ul{display:grid;gap:10px;margin:14px 0 18px}
.side-card li{font-size:14px;color:var(--ink-600);padding-left:14px;position:relative}
.side-card li::before{content:"";position:absolute;left:0;top:12px;width:6px;height:6px;border-radius:2px;background:var(--accent-500)}

/* ============ 资讯列表卡 ============ */
#latest-list{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.news-card{display:grid;grid-template-columns:160px 1fr;gap:18px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:16px;box-shadow:var(--shadow-1);transition:box-shadow .18s ease,transform .18s ease}
.news-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px)}
.news-thumb{position:relative;border-radius:var(--r-img);overflow:hidden;background:var(--surface-2);aspect-ratio:16/10}
.news-thumb img{position:relative;z-index:1;width:100%;height:100%;object-fit:cover}
.news-body{display:flex;flex-direction:column;gap:8px;min-width:0}
.news-title{font-size:17px;font-weight:600;color:var(--ink-900);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card:hover .news-title{color:var(--brand-700)}
.news-sum{font-size:14px;color:var(--ink-600);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--ink-400);margin-top:auto}
.news-meta .link-arrow{font-size:13px}

/* ============ FAQ ============ */
.faq{max-width:860px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  position:relative;list-style:none;cursor:pointer;padding:22px 44px 22px 0;
  font-size:18px;font-weight:600;color:var(--ink-900);line-height:1.5;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before,
.faq-item summary::after{
  content:"";position:absolute;right:8px;top:50%;background:var(--brand-700);border-radius:2px;
  transition:transform .2s ease,background .2s ease;
}
.faq-item summary::before{width:12px;height:2px;transform:translateY(-50%)}
.faq-item summary::after{width:2px;height:12px;transform:translate(-5px,-50%)}
.faq-item[open] summary{color:var(--brand-700)}
.faq-item[open] summary::after{transform:translate(-5px,-50%) scaleY(0)}
.faq-item summary:hover{color:var(--brand-700)}
.faq-answer{padding:0 44px 24px 0;font-size:15px;line-height:1.9;color:var(--ink-600)}
.faq-answer p + p{margin-top:10px}

/* ============ CTA ============ */
.cta-band{
  background:var(--accent-100);border:1px solid rgba(242,145,61,.35);border-radius:22px;
  padding:40px 44px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band h3{font-size:22px;margin-bottom:8px}
.cta-band p{font-size:15px;max-width:560px}

/* ============ 页脚 ============ */
.footer{background:var(--brand-900);color:rgba(255,255,255,.72);padding:72px 0 28px;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer .logo-text{color:#fff}
.footer .logo-text em{color:var(--brand-300)}
.footer-about{margin-top:16px;font-size:14px;line-height:1.9;max-width:320px}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.72);padding:6px 0;transition:color .18s ease}
.footer-col a:hover{color:var(--accent-500)}
.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,.55);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container{padding:0 24px}
  .split{gap:40px}
}
@media (max-width:991px){
  .page-head{padding:120px 0 56px}
  .page-head-grid{grid-template-columns:1fr;gap:36px}
  .head-visual{aspect-ratio:16/10;order:2}
  .section{padding:72px 0}
  .split{grid-template-columns:1fr;gap:28px}
  .split + .split{margin-top:56px}
  .split.reverse .split-visual{order:2}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .check-wrap{grid-template-columns:1fr}
  #latest-list{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:860px){
  .nav{height:56px;padding:0 10px 0 14px}
  .nav-toggle{display:flex}
  .nav-links{
    position:fixed;top:84px;left:16px;right:16px;display:none;flex-direction:column;align-items:stretch;gap:4px;
    padding:12px;background:rgba(255,255,255,.97);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
    border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow-2);
  }
  .nav-links.open{display:flex}
  .nav-links a{height:52px;justify-content:center;font-size:16px;border-radius:14px}
  .nav-links a::after{display:none}
  .nav-cta .btn{display:none}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .page-head{padding:104px 0 48px}
  .stat-grid{grid-template-columns:1fr 1fr;gap:16px}
  .stat-value{font-size:28px}
  .news-card{grid-template-columns:1fr}
  .news-thumb{aspect-ratio:16/9}
  .cta-band{padding:28px 22px}
  .btn-group{flex-direction:column;align-items:stretch;width:100%}
  .btn-group .btn{width:100%}
  .footer{padding:56px 0 24px;margin-top:56px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
  .faq-item summary{font-size:16px;padding-right:38px}
}

/* roulang page: category2 */
:root{
  --brand-900:#08201F;
  --brand-700:#0B3A38;
  --brand-500:#17695F;
  --brand-300:#2FA98C;
  --accent-500:#F2913D;
  --accent-100:#FDF1E3;
  --bg:#F7F5F1;
  --surface:#FFFFFF;
  --surface-2:#EFEBE4;
  --line:#E3DED6;
  --ink-900:#14181A;
  --ink-600:#4E5A58;
  --ink-400:#8A9492;
  --success:#2E8B62;
  --warning:#C9871F;
  --danger:#C0453B;
  --radius-card:16px;
  --radius-img:14px;
  --radius-input:12px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(20,24,26,.05),0 8px 24px rgba(20,24,26,.06);
  --shadow-2:0 10px 30px rgba(8,32,31,.14);
  --sec-y:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-600);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700}
p{margin:0}
ul{margin:0;padding:0}
:focus-visible{outline:2px solid var(--brand-300);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:var(--sec-y) 0}
.sec-head{max-width:720px;margin-bottom:44px}
.sec-title{position:relative;padding-top:18px;font-size:clamp(24px,3vw,36px);line-height:1.3;font-weight:700}
.sec-title::before{content:"";position:absolute;top:0;left:0;width:12px;height:4px;border-radius:2px;background:var(--accent-500)}
.sec-sub{margin-top:16px;font-size:16px;color:var(--ink-600)}
.num{font-variant-numeric:tabular-nums}

/* ============ 悬浮胶囊导航 ============ */
.nav{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  width:calc(100% - 32px);max-width:1160px;height:64px;
  display:flex;align-items:center;gap:16px;
  padding:0 10px 0 18px;
  border-radius:var(--radius-pill);
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid var(--line);
  box-shadow:var(--shadow-2);
  z-index:100;
  transition:height .25s ease,background .25s ease;
}
.nav.is-scrolled{height:56px;background:rgba(255,255,255,.96)}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-text{font-size:19px;font-weight:800;color:var(--brand-900);line-height:1}
.logo-text em{font-style:normal;font-weight:600;font-size:14px;color:var(--brand-500);margin-left:2px}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;height:38px;padding:0 13px;
  border-radius:var(--radius-pill);font-size:15px;font-weight:500;color:var(--ink-600);
  transition:color .18s ease,background .18s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:50%;bottom:2px;width:0;height:2px;border-radius:2px;
  background:var(--accent-500);transform:translateX(-50%);transition:width .18s ease;
}
.nav-links a:hover{color:var(--brand-700)}
.nav-links a:hover::after{width:18px}
.nav-links a.active{background:var(--brand-900);color:#fff;font-weight:600}
.nav-links a.active::after{display:none}
.nav-cta{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--radius-pill);
  border:1px solid var(--line);background:#fff;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand-900);transition:transform .2s ease}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-pill);font-weight:600;font-size:16px;
  padding:14px 28px;white-space:nowrap;
  transition:transform .18s ease,background .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--accent-500);color:var(--ink-900);box-shadow:0 6px 18px rgba(242,145,61,.26)}
.btn-primary:hover{background:#E5842E;transform:translateY(-2px);box-shadow:0 12px 26px rgba(242,145,61,.34)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(242,145,61,.24)}
.btn-ghost{background:transparent;border:1.5px solid var(--brand-700);color:var(--brand-700);padding:12.5px 26px}
.btn-ghost:hover{background:var(--brand-900);border-color:var(--brand-900);color:#fff;transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn:focus-visible{outline:2px solid var(--brand-300);outline-offset:2px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand-700);border-bottom:1px solid var(--accent-500);padding-bottom:2px;transition:gap .18s ease,color .18s ease}
.link-arrow:hover{gap:11px;color:var(--brand-900)}

/* ============ 页头 ============ */
.page-head{padding:142px 0 76px;position:relative;overflow:hidden}
.page-head::before{
  content:"";position:absolute;top:-180px;right:-140px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(23,105,95,.14),rgba(247,245,241,0) 68%);
  pointer-events:none;
}
.page-head-grid{display:grid;grid-template-columns:1.35fr .95fr;gap:56px;align-items:center;position:relative}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-400);margin-bottom:20px}
.crumbs a{color:var(--ink-400)}
.crumbs a:hover{color:var(--brand-700)}
.crumbs span{color:var(--ink-400)}
.page-head h1{font-size:clamp(30px,4.2vw,52px);line-height:1.18;font-weight:800;margin-bottom:20px}
.page-head h1 em{font-style:normal;color:var(--brand-700)}
.page-lead{font-size:17px;line-height:1.9;color:var(--ink-600);max-width:560px}
.head-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.head-tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--brand-700);background:var(--accent-100);border-radius:6px;padding:7px 12px}
.head-tag i{width:6px;height:6px;border-radius:50%;background:var(--accent-500);display:inline-block}
.head-media{position:relative;padding:18px;border-radius:20px;background:var(--brand-500)}
.head-media::after{content:"";position:absolute;left:18px;right:18px;top:18px;height:8px;border-radius:6px 6px 0 0;background:rgba(255,255,255,.28)}
.head-media .frame{border-radius:var(--radius-img);overflow:hidden;border:1px solid rgba(255,255,255,.28);background:var(--surface-2)}
.head-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.head-badge{
  position:absolute;left:-14px;bottom:-18px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-img);
  box-shadow:var(--shadow-1);padding:14px 18px;min-width:170px;
}
.head-badge strong{display:block;font-size:26px;font-weight:800;color:var(--brand-700);font-variant-numeric:tabular-nums;line-height:1.2}
.head-badge span{font-size:13px;color:var(--ink-400)}

/* ============ 功能索引条 ============ */
.func-strip{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);
}
.func-strip > div{padding:26px 24px;border-right:1px solid var(--line);transition:background .18s ease}
.func-strip > div:last-child{border-right:0}
.func-strip > div:hover{background:var(--accent-100)}
.func-num{display:inline-block;font-size:13px;font-weight:700;color:var(--brand-700);background:var(--surface-2);border-radius:6px;padding:3px 8px;margin-bottom:12px;font-variant-numeric:tabular-nums}
.func-strip h3{font-size:18px;font-weight:600;line-height:1.45;margin-bottom:8px}
.func-strip p{font-size:14px;line-height:1.8;color:var(--ink-600)}

/* ============ 图文交错 ============ */
.feature{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.feature + .feature{margin-top:72px}
.feature.reverse .feature-media{order:2}
.feature-media{position:relative;border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-1)}
.feature-media img{width:100%;aspect-ratio:16/11;object-fit:cover;transition:transform .4s ease}
.feature-media:hover img{transform:scale(1.03)}
.feature-body .label{
  display:inline-block;font-size:12px;color:var(--brand-700);background:var(--accent-100);
  border-radius:6px;padding:5px 10px;margin-bottom:14px;
}
.feature-body h2{font-size:clamp(22px,2.4vw,30px);line-height:1.35;font-weight:700;margin-bottom:16px}
.feature-body > p{font-size:16px;line-height:1.9;color:var(--ink-600);margin-bottom:20px}
.check-list{list-style:none;display:grid;gap:12px;margin-bottom:26px}
.check-list li{position:relative;padding-left:30px;font-size:15px;line-height:1.8;color:var(--ink-600)}
.check-list li::before{content:"";position:absolute;left:0;top:7px;width:18px;height:18px;border-radius:50%;background:var(--accent-100);border:1px solid rgba(242,145,61,.5)}
.check-list li::after{content:"";position:absolute;left:6px;top:12px;width:6px;height:3px;border-left:2px solid var(--brand-700);border-bottom:2px solid var(--brand-700);transform:rotate(-45deg)}

/* ============ 深色数据带 ============ */
.band-wrap{padding:0 0 var(--sec-y)}
.band{
  position:relative;overflow:hidden;border-radius:24px;
  background:var(--brand-900);color:rgba(255,255,255,.74);
  padding:56px;
}
.band::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-3.webp);
  background-size:cover;background-position:center;opacity:.18;
}
.band::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:22px 22px;opacity:.5;
}
.band-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center}
.band h2{color:#fff;font-size:clamp(22px,2.6vw,32px);line-height:1.35;margin-bottom:16px}
.band p{color:rgba(255,255,255,.74);font-size:16px;line-height:1.9;max-width:520px}
.band-list{list-style:none;display:grid;gap:12px;margin-top:24px}
.band-list li{position:relative;padding-left:22px;font-size:15px;color:rgba(255,255,255,.82)}
.band-list li::before{content:"";position:absolute;left:0;top:11px;width:10px;height:2px;border-radius:2px;background:var(--accent-500)}
.band-stats{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.band-stat{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-card);padding:22px 20px}
.band-stat strong{display:block;font-size:30px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;line-height:1.2}
.band-stat span{font-size:13px;color:rgba(255,255,255,.66)}

/* ============ FAQ ============ */
.faq{max-width:860px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 4px;text-align:left;font-size:18px;font-weight:600;color:var(--ink-900);
  transition:color .18s ease;
}
.faq-q:hover{color:var(--brand-700)}
.faq-item.open .faq-q{color:var(--brand-700)}
.faq-q .icon{position:relative;flex:0 0 18px;width:18px;height:18px}
.faq-q .icon::before,.faq-q .icon::after{
  content:"";position:absolute;background:var(--brand-700);border-radius:2px;
  transition:transform .22s ease,opacity .22s ease;
}
.faq-q .icon::before{top:8px;left:0;width:18px;height:2px}
.faq-q .icon::after{left:8px;top:0;width:2px;height:18px}
.faq-item.open .faq-q .icon::after{transform:scaleY(0);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 4px 24px;font-size:15px;line-height:1.9;color:var(--ink-600);max-width:740px}

/* ============ 资讯列表卡 ============ */
.news-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.news-card{
  display:flex;gap:20px;padding:18px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--brand-300)}
.news-card .thumb{
  flex:0 0 160px;width:160px;aspect-ratio:16/10;border-radius:var(--radius-img);
  overflow:hidden;border:1px solid var(--line);background:var(--surface-2);
}
.news-card .thumb img{width:100%;height:100%;object-fit:cover}
.news-card .body{min-width:0}
.badge{display:inline-block;font-size:12px;border-radius:6px;padding:4px 9px;background:var(--accent-100);color:var(--brand-700);margin-bottom:10px}
.news-card h3{font-size:18px;line-height:1.45;font-weight:600;margin-bottom:8px}
.news-card p{font-size:14px;line-height:1.75;color:var(--ink-600);margin-bottom:10px}
.meta{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--ink-400)}
.meta a{color:var(--brand-700);font-weight:600}
.meta a:hover{color:var(--brand-900)}

/* ============ 转化条 ============ */
.cta-strip{
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--accent-500);
  border-radius:var(--radius-card);padding:40px 44px;box-shadow:var(--shadow-1);
}
.cta-strip h2{font-size:clamp(20px,2.2vw,28px);line-height:1.35;margin-bottom:10px}
.cta-strip p{font-size:15px;color:var(--ink-600);max-width:520px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.footer{background:var(--brand-900);color:rgba(255,255,255,.72);padding:72px 0 32px;margin-top:24px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.14)}
.footer .logo-text{color:#fff}
.footer .logo-text em{color:var(--brand-300)}
.footer-about{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);max-width:320px}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.72);padding:6px 0;transition:color .18s ease}
.footer-col a:hover{color:var(--accent-500)}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:24px;font-size:13px;color:rgba(255,255,255,.55)}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container{padding:0 24px}
  :root{--sec-y:72px}
  .page-head-grid{gap:40px}
}
@media (max-width:991px){
  :root{--sec-y:72px}
  .nav{height:56px;padding:0 8px 0 16px}
  .nav.is-scrolled{height:52px}
  .nav-toggle{display:flex}
  .nav-cta .btn{display:none}
  .nav-links{
    position:fixed;top:84px;left:16px;right:16px;
    display:none;flex-direction:column;align-items:stretch;gap:2px;
    padding:12px;border-radius:24px;background:rgba(255,255,255,.97);
    -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
    border:1px solid var(--line);box-shadow:var(--shadow-2);margin-left:0;
  }
  .nav-links.open{display:flex}
  .nav-links a{height:52px;justify-content:flex-start;padding:0 18px;border-radius:14px;font-size:16px}
  .nav-links a::after{display:none}
  .page-head{padding:118px 0 60px}
  .page-head-grid{grid-template-columns:1fr;gap:44px}
  .head-media{max-width:460px}
  .head-badge{left:auto;right:-8px;bottom:-20px}
  .func-strip{grid-template-columns:1fr 1fr}
  .func-strip > div:nth-child(2){border-right:0}
  .func-strip > div:nth-child(1),.func-strip > div:nth-child(2){border-bottom:1px solid var(--line)}
  .feature{grid-template-columns:1fr;gap:32px}
  .feature.reverse .feature-media{order:0}
  .band{padding:40px 32px;border-radius:20px}
  .band-inner{grid-template-columns:1fr;gap:32px}
  .cta-strip{padding:32px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  :root{--sec-y:56px}
  .container{padding:0 16px}
  body{font-size:15px}
  .news-grid{grid-template-columns:1fr}
  .news-card{flex-direction:column;gap:14px}
  .news-card .thumb{flex:0 0 auto;width:100%;aspect-ratio:16/9}
  .page-head h1{font-size:clamp(26px,7.4vw,34px)}
  .btn{width:100%;padding:14px 20px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .func-strip{grid-template-columns:1fr}
  .func-strip > div{border-right:0;border-bottom:1px solid var(--line)}
  .func-strip > div:last-child{border-bottom:0}
  .band{padding:30px 22px}
  .band-stats{grid-template-columns:1fr 1fr;gap:12px}
  .band-stat strong{font-size:24px}
  .faq-q{font-size:16px;padding:18px 2px}
  .cta-strip{padding:26px 20px}
  .footer{padding:56px 0 26px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;gap:8px}
}

/* roulang page: category3 */
:root{
  --brand-900:#08201F;
  --brand-700:#0B3A38;
  --brand-500:#17695F;
  --brand-300:#2FA98C;
  --accent-500:#F2913D;
  --accent-100:#FDF1E3;
  --bg:#F7F5F1;
  --surface:#FFFFFF;
  --surface-2:#EFEBE4;
  --line:#E3DED6;
  --ink-900:#14181A;
  --ink-600:#4E5A58;
  --ink-400:#8A9492;
  --success:#2E8B62;
  --warning:#C9871F;
  --danger:#C0453B;
  --shadow-1:0 1px 2px rgba(20,24,26,.05),0 8px 24px rgba(20,24,26,.06);
  --shadow-2:0 10px 30px rgba(8,32,31,.14);
  --r-card:16px;
  --r-img:14px;
  --r-input:12px;
  --r-badge:6px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-600);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--brand-700);text-decoration:none;transition:color 180ms ease}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink-900);line-height:1.3}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand-300);outline-offset:3px}
.container{max-width:1200px;margin:0 auto;padding:0 32px}

/* ---------- 导航 ---------- */
.nav{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  width:min(1160px,calc(100% - 32px));
  height:64px;z-index:200;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:0 12px 0 18px;
  border-radius:999px;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border:1px solid var(--line);
  box-shadow:var(--shadow-2);
  transition:height 180ms ease,background 180ms ease;
}
.nav.is-scrolled{height:56px;background:rgba(255,255,255,.96)}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink-900);font-weight:800;font-size:19px;letter-spacing:0}
.logo svg{flex:0 0 auto;border-radius:9px}
.logo-text em{font-style:normal;color:var(--brand-500);font-size:14px;font-weight:600;margin-left:2px}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 15px;border-radius:999px;
  font-size:15px;color:var(--ink-600);white-space:nowrap;
  transition:color 180ms ease,background 180ms ease;
}
.nav-links a::after{
  content:"";position:absolute;left:50%;bottom:5px;width:18px;height:2px;border-radius:2px;
  background:var(--accent-500);transform:translateX(-50%) scaleX(0);
  transition:transform 180ms ease;
}
.nav-links a:hover{color:var(--brand-700)}
.nav-links a:hover::after{transform:translateX(-50%) scaleX(1)}
.nav-links a.active{background:var(--brand-900);color:#fff;font-weight:600}
.nav-links a.active::after{display:none}
.nav-links a:active{transform:translateY(1px)}
.nav-cta{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:999px;
  border:1px solid var(--line);background:var(--surface);cursor:pointer;
  padding:0;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand-700);transition:transform 180ms ease,opacity 180ms ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;border:1px solid transparent;cursor:pointer;
  font-size:15px;font-weight:600;line-height:1;
  padding:14px 28px;transition:transform 180ms ease,box-shadow 180ms ease,background 180ms ease,color 180ms ease,border-color 180ms ease;
}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-primary{background:var(--accent-500);color:var(--ink-900);box-shadow:0 6px 16px rgba(242,145,61,.28)}
.btn-primary:hover{background:#e8842c;box-shadow:var(--shadow-2);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border:1.5px solid var(--brand-700);color:var(--brand-700)}
.btn-ghost:hover{background:var(--brand-900);border-color:var(--brand-900);color:#fff;transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-light{background:#fff;color:var(--brand-900);border-color:var(--line);box-shadow:var(--shadow-1)}
.btn-light:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.text-link{color:var(--brand-700);text-decoration:underline;text-decoration-color:var(--accent-500);text-underline-offset:4px;text-decoration-thickness:1px}
.text-link:hover{text-decoration-thickness:2px}

/* ---------- 通用板块 ---------- */
.site-main{padding-top:104px}
.section{padding:64px 0}
.section-head{max-width:760px;margin-bottom:36px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-400);margin-bottom:12px;
}
.eyebrow::before{content:"";width:12px;height:4px;border-radius:2px;background:var(--accent-500)}
.section-title{font-size:clamp(24px,3vw,36px);font-weight:700;margin-bottom:14px;position:relative}
.section-title::before{content:"";display:block;width:12px;height:4px;border-radius:2px;background:var(--accent-500);margin-bottom:14px}
.section-head.center .section-title::before{margin-left:auto;margin-right:auto}
.section-desc{font-size:16px;color:var(--ink-600);margin:0}

/* ---------- 页头 ---------- */
.page-head{padding:20px 0 56px}
.page-head-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-400);margin-bottom:18px}
.crumbs a{color:var(--ink-400)}
.crumbs a:hover{color:var(--brand-700)}
.crumbs span.sep{color:var(--line)}
.page-head h1{
  font-size:clamp(28px,3.8vw,46px);font-weight:800;line-height:1.18;
  letter-spacing:0;margin-bottom:16px;
}
.page-head h1 em{font-style:normal;color:var(--brand-500)}
.page-sub{font-size:16px;color:var(--ink-600);max-width:560px;margin-bottom:26px}
.head-tags{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 12px;border-radius:var(--r-badge);
  background:var(--surface-2);color:var(--ink-600);font-size:13px;
}
.head-visual{
  position:relative;border-radius:var(--r-img);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-1);
  aspect-ratio:1/1;background:var(--surface-2);
}
.head-visual img{width:100%;height:100%;object-fit:cover}
.head-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,32,31,0) 45%,rgba(8,32,31,.55) 100%);
}
.head-visual .visual-note{
  position:absolute;left:18px;right:18px;bottom:16px;z-index:2;
  color:#fff;font-size:14px;line-height:1.6;
}
.head-visual .visual-note strong{display:block;font-size:16px;font-weight:700;margin-bottom:4px}

/* ---------- 速查卡组 ---------- */
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.quick-card{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);padding:24px;box-shadow:var(--shadow-1);
  transition:transform 180ms ease,box-shadow 180ms ease;
  display:flex;flex-direction:column;gap:12px;
}
.quick-card::before{content:"";position:absolute;top:0;left:24px;right:24px;height:2px;border-radius:0 0 2px 2px;background:var(--brand-500);transition:background 180ms ease}
.quick-card:nth-child(even)::before{background:var(--brand-300)}
.quick-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.quick-card:hover::before{background:var(--accent-500)}
.quick-card .q-index{font-size:13px;font-weight:700;color:var(--accent-500);font-variant-numeric:tabular-nums}
.quick-card h3{font-size:18px;font-weight:600;line-height:1.45}
.quick-card p{font-size:15px;color:var(--ink-600);margin:0}
.quick-card .q-link{margin-top:auto;font-size:14px;font-weight:600}

/* ---------- 时间线 ---------- */
.timeline-wrap{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:48px 40px;box-shadow:var(--shadow-1)}
.timeline{position:relative;max-width:820px;margin:0 auto}
.timeline::before{content:"";position:absolute;left:19px;top:10px;bottom:10px;width:2px;background:linear-gradient(180deg,var(--brand-300),var(--line))}
.tl-item{position:relative;padding:0 0 34px 66px}
.tl-item:last-child{padding-bottom:0}
.tl-num{
  position:absolute;left:0;top:0;width:40px;height:40px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--surface);border:1px solid var(--line);
  color:var(--brand-700);font-weight:800;font-size:15px;font-variant-numeric:tabular-nums;
  box-shadow:var(--shadow-1);
}
.tl-item h3{font-size:18px;font-weight:600;margin-bottom:6px}
.tl-item p{font-size:15px;margin:0;color:var(--ink-600)}
.tl-item .tl-tip{display:block;margin-top:8px;font-size:13px;color:var(--ink-400)}

/* ---------- 图文交错 ---------- */
.split{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center}
.split-media{border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-1);aspect-ratio:16/11;background:var(--surface-2)}
.split-media img{width:100%;height:100%;object-fit:cover}
.check-list{display:grid;gap:16px;margin-top:22px}
.check-list li{display:flex;gap:14px;align-items:flex-start}
.check-dot{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;margin-top:4px;
  background:var(--accent-100);color:var(--brand-700);
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;
}
.check-list strong{display:block;color:var(--ink-900);font-size:16px;font-weight:600;line-height:1.6}
.check-list span{font-size:15px;color:var(--ink-600)}

/* ---------- 小卡组（侧栏式补充） ---------- */
.info-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:36px}
.info-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-1);
  transition:transform 180ms ease,box-shadow 180ms ease,border-color 180ms ease;
}
.info-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--brand-300)}
.info-card .num{font-size:30px;font-weight:800;color:var(--brand-700);font-variant-numeric:tabular-nums;line-height:1.2;display:block}
.info-card .num small{font-size:14px;font-weight:600;color:var(--ink-400);margin-left:4px}
.info-card h3{font-size:17px;font-weight:600;margin:10px 0 8px}
.info-card p{font-size:15px;margin:0;color:var(--ink-600)}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;margin:0 auto;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);padding:8px 28px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:none}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;font-size:18px;font-weight:600;color:var(--ink-900);
  transition:color 180ms ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand-700)}
.faq-item summary:focus-visible{outline:2px solid var(--brand-300);outline-offset:4px;border-radius:8px}
.faq-icon{position:relative;flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--accent-100)}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--brand-700);border-radius:2px;transition:transform 180ms ease,background 180ms ease}
.faq-icon::before{width:12px;height:2px;transform:translate(-50%,-50%)}
.faq-icon::after{width:2px;height:12px;transform:translate(-50%,-50%)}
.faq-item[open] summary{color:var(--brand-700)}
.faq-item[open] .faq-icon::before{background:var(--accent-500)}
.faq-item[open] .faq-icon::after{transform:translate(-50%,-50%) scaleY(0)}
.faq-body{padding:0 0 24px;font-size:15px;line-height:1.9;color:var(--ink-600);max-width:760px}
.faq-body p:last-child{margin-bottom:0}

/* ---------- 列表卡 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:8px}
.list-card{
  display:flex;gap:20px;align-items:stretch;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px;box-shadow:var(--shadow-1);
  transition:transform 180ms ease,box-shadow 180ms ease;
}
.list-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.list-card__cover{flex:0 0 160px;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);background:var(--surface-2)}
.list-card__cover img{width:100%;height:100%;object-fit:cover}
.list-card__body{display:flex;flex-direction:column;min-width:0}
.badge{
  display:inline-flex;align-items:center;
  padding:4px 10px;border-radius:var(--r-badge);
  background:var(--accent-100);color:var(--brand-700);
  font-size:12px;font-weight:600;line-height:1.6;align-self:flex-start;
}
.list-card__body h3{font-size:18px;font-weight:600;line-height:1.45;margin:10px 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.list-card__body h3 a{color:var(--ink-900)}
.list-card__body h3 a:hover{color:var(--brand-700)}
.list-card__body p{font-size:14px;color:var(--ink-600);margin:0 0 12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.list-card__meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--ink-400)}
.list-card__meta time{font-variant-numeric:tabular-nums}
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  min-height:180px;border:1px dashed var(--line);border-radius:var(--r-card);
  background:var(--surface-2);color:var(--ink-400);font-size:14px;text-align:center;padding:24px;
}
.empty-state svg{opacity:.7}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:var(--accent-100);border:1px solid var(--line);border-radius:var(--r-card);
  padding:48px;display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:center;
  box-shadow:var(--shadow-1);
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;margin-bottom:12px}
.cta-band p{margin:0;font-size:16px;color:var(--ink-600);max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}
.cta-note{margin-top:32px;font-size:13px;color:var(--ink-400);text-align:center}

/* ---------- 页脚 ---------- */
.footer{background:var(--brand-900);color:rgba(255,255,255,.72);margin-top:64px;padding:72px 0 32px}
.footer .logo{color:#fff}
.footer .logo-text em{color:var(--brand-300)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;padding-bottom:40px}
.footer-about{font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);margin:18px 0 0;max-width:340px}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;letter-spacing:0}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.72);padding:5px 0}
.footer-col a:hover{color:var(--accent-500)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  border-top:1px solid rgba(255,255,255,.14);padding-top:24px;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .quick-grid{grid-template-columns:repeat(2,1fr)}
  .info-cards{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:991px){
  .container{padding:0 24px}
  .section{padding:52px 0}
  .page-head-grid{grid-template-columns:1fr;gap:32px}
  .head-visual{aspect-ratio:16/10}
  .split{grid-template-columns:1fr;gap:32px}
  .split.reverse .split-media{order:2}
  .info-cards{grid-template-columns:1fr 1fr}
  .cta-band{grid-template-columns:1fr;padding:36px}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .news-grid{grid-template-columns:1fr}
  .timeline-wrap{padding:36px 26px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .nav{padding:0 10px 0 14px}
  .nav-links{display:none}
  .nav-links.open{
    display:flex;flex-direction:column;align-items:stretch;gap:0;
    position:fixed;top:82px;left:16px;right:16px;z-index:190;
    background:rgba(255,255,255,.97);
    -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
    border:1px solid var(--line);border-radius:24px;padding:10px;
    box-shadow:var(--shadow-2);
  }
  .nav-links.open a{height:52px;justify-content:flex-start;padding:0 18px;border-radius:16px;font-size:16px}
  .nav-links.open a::after{display:none}
  .nav-links.open a:nth-child(2){margin-top:8px;border-top:1px solid var(--line);border-radius:16px 16px 0 0}
  .nav-toggle{display:flex}
  .nav .btn-sm{display:none}
  .site-main{padding-top:84px}
  .page-head{padding:8px 0 40px}
  .page-head h1{font-size:28px}
  .section{padding:40px 0}
  .quick-grid,.info-cards{grid-template-columns:1fr}
  .timeline-wrap{padding:28px 18px}
  .tl-item{padding-left:56px}
  .faq-list{padding:4px 18px}
  .faq-item summary{font-size:16px;padding:18px 0}
  .list-card{flex-direction:column;padding:14px}
  .list-card__cover{flex:none;width:100%;aspect-ratio:16/9}
  .cta-band{padding:28px 20px}
  .cta-actions .btn{width:100%}
  .footer{padding:52px 0 28px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
}
@media (max-width:520px){
  .head-tags .tag{font-size:12px}
  .info-card .num{font-size:26px}
}

/* roulang page: category4 */
:root{
  --brand-900:#08201F;
  --brand-700:#0B3A38;
  --brand-500:#17695F;
  --brand-300:#2FA98C;
  --accent-500:#F2913D;
  --accent-100:#FDF1E3;
  --bg:#F7F5F1;
  --surface:#FFFFFF;
  --surface-2:#EFEBE4;
  --line:#E3DED6;
  --ink-900:#14181A;
  --ink-600:#4E5A58;
  --ink-400:#8A9492;
  --success:#2E8B62;
  --warning:#C9871F;
  --danger:#C0453B;
  --r-card:16px;
  --r-img:14px;
  --r-input:12px;
  --shadow-1:0 1px 2px rgba(20,24,26,.05),0 8px 24px rgba(20,24,26,.06);
  --shadow-2:0 10px 30px rgba(8,32,31,.14);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-600);
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand-700);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-500)}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink-900);line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand-300);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.num{font-variant-numeric:tabular-nums}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;top:16px;left:0;right:0;z-index:120;
  pointer-events:none;
  transition:top .18s ease;
}
.nav{
  pointer-events:auto;
  max-width:1160px;margin:0 auto;
  height:64px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:0 18px 0 16px;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  box-shadow:var(--shadow-2);
  transition:height .18s ease,background .18s ease,top .18s ease;
}
.site-header.is-scrolled{top:10px}
.site-header.is-scrolled .nav{height:56px;background:rgba(255,255,255,.96)}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none;color:var(--ink-900);font-weight:800}
.logo-text{font-size:19px;font-weight:800;line-height:1;letter-spacing:0}
.logo-text em{font-style:normal;color:var(--brand-500);font-weight:600;font-size:15px;margin-left:2px}
.nav-links{display:flex;align-items:center;gap:4px;flex-wrap:nowrap}
.nav-links a{
  position:relative;
  display:inline-flex;align-items:center;height:38px;padding:0 14px;
  border-radius:999px;
  font-size:15px;font-weight:500;color:var(--ink-600);
  white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:50%;bottom:4px;width:0;height:2px;
  background:var(--accent-500);border-radius:2px;
  transform:translateX(-50%);
  transition:width .18s ease;
}
.nav-links a:hover{color:var(--brand-700)}
.nav-links a:hover::after{width:18px}
.nav-links a.active{background:var(--brand-900);color:#fff;font-weight:600}
.nav-links a.active::after{display:none}
.nav-cta{display:flex;align-items:center;gap:10px;flex:none}
.nav-toggle{
  display:none;
  width:42px;height:42px;border:1px solid var(--line);border-radius:999px;
  background:#fff;cursor:pointer;padding:0;
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand-700);border-radius:2px;transition:transform .18s ease,opacity .18s ease}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;cursor:pointer;border:1px solid transparent;
  font-size:16px;font-weight:600;padding:14px 28px;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--accent-500);color:var(--ink-900);box-shadow:0 6px 18px rgba(242,145,61,.28)}
.btn-primary:hover{background:#E5821F;color:var(--ink-900);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--brand-700);border:1.5px solid var(--brand-700)}
.btn-ghost:hover{background:var(--brand-900);border-color:var(--brand-900);color:#fff;transform:translateY(-2px)}
.btn-sm{padding:10px 20px;font-size:15px}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand-700);font-weight:600;font-size:15px;
  border-bottom:1px solid var(--accent-500);padding-bottom:2px;
}
.link-arrow:hover{color:var(--brand-500);border-bottom-width:2px}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-alt{background:var(--surface-2)}
.section-head{max-width:760px;margin-bottom:40px}
.section-head .deco{display:block;width:12px;height:4px;border-radius:2px;background:var(--accent-500);margin-bottom:14px}
.section-head h2{font-size:clamp(24px,3vw,36px);font-weight:700;line-height:1.3}
.section-head p{margin-top:14px;font-size:16px;color:var(--ink-600)}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--brand-500);font-weight:600;
  background:rgba(47,169,140,.12);border-radius:6px;padding:5px 10px;
}

/* ---------- 页头 ---------- */
.page-hero{
  position:relative;
  padding:150px 0 84px;
  background:linear-gradient(180deg,#08201F 0%,#0B3A38 100%);
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.28;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.10) 1px,transparent 1px);
  background-size:22px 22px;opacity:.55;
}
.page-hero .container{position:relative;z-index:2}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.7);margin-bottom:20px}
.crumbs a{color:rgba(255,255,255,.82)}
.crumbs a:hover{color:var(--accent-500)}
.crumbs span{opacity:.6}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:center}
.page-hero h1{
  color:#fff;font-size:clamp(30px,4.2vw,52px);font-weight:800;line-height:1.18;
}
.page-hero .lede{margin-top:18px;font-size:17px;line-height:1.85;color:rgba(255,255,255,.78);max-width:620px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-tags span{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;color:rgba(255,255,255,.86);
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.18);
  border-radius:999px;padding:6px 12px;
}
.hero-visual{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  border:1px solid rgba(255,255,255,.16);
  box-shadow:var(--shadow-2);
  aspect-ratio:4/3;
  background:var(--surface-2);
}
.hero-visual img{width:100%;height:100%;object-fit:cover}
.hero-visual figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:14px 18px;font-size:13px;color:rgba(255,255,255,.88);
  background:linear-gradient(180deg,rgba(8,32,31,0) 0%,rgba(8,32,31,.85) 100%);
}

/* ---------- 指标卡 ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.metric-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease;
}
.metric-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.metric-card .tag{font-size:12px;color:var(--ink-400);display:block;margin-bottom:10px}
.metric-card .value{font-size:34px;font-weight:800;color:var(--brand-700);line-height:1.1}
.metric-card .value small{font-size:15px;font-weight:600;color:var(--ink-400);margin-left:4px}
.metric-card .note{margin-top:10px;font-size:13px;color:var(--ink-400)}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  border-radius:6px;font-size:12px;font-weight:600;padding:4px 8px;
}
.badge-up{background:rgba(46,139,98,.12);color:var(--success)}
.badge-warn{background:rgba(201,135,31,.12);color:var(--warning)}
.badge-cat{background:var(--accent-100);color:var(--brand-700)}

/* ---------- 时间线 ---------- */
.timeline{position:relative;margin-top:8px}
.timeline::before{
  content:"";position:absolute;left:19px;top:14px;bottom:14px;width:2px;
  background:linear-gradient(180deg,var(--brand-300),var(--line));
}
.tl-item{position:relative;padding:0 0 32px 64px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{
  position:absolute;left:8px;top:6px;width:24px;height:24px;border-radius:999px;
  background:var(--surface);border:2px solid var(--brand-500);
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;color:var(--brand-700);
}
.tl-item.is-key .tl-dot{border-color:var(--accent-500);color:#B96A17}
.tl-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 24px;box-shadow:var(--shadow-1);
}
.tl-card h3{font-size:19px;font-weight:600;margin-bottom:8px}
.tl-card p{font-size:15px;color:var(--ink-600)}
.tl-meta{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-bottom:10px}

/* ---------- 小卡组 ---------- */
.mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.mini-card{
  background:var(--surface);border:1px solid var(--line);border-top:2px solid var(--brand-300);
  border-radius:var(--r-card);padding:24px;
  transition:transform .18s ease,box-shadow .18s ease,border-top-color .18s ease;
}
.mini-card:nth-child(2n){border-top-color:var(--brand-500)}
.mini-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-top-color:var(--accent-500)}
.mini-card h3{font-size:18px;font-weight:600;margin-bottom:10px}
.mini-card p{font-size:15px;color:var(--ink-600)}
.mini-card .link-arrow{margin-top:16px}

/* ---------- 图文交错 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split-media{border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-1)}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10}
.check-list{margin-top:20px;display:grid;gap:14px}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;color:var(--ink-600)}
.check-list li::before{
  content:"";flex:none;width:18px;height:18px;margin-top:5px;border-radius:6px;
  background:rgba(47,169,140,.16);
  background-image:linear-gradient(135deg,var(--brand-300),var(--brand-500));
  box-shadow:inset 0 0 0 1px rgba(11,58,56,.18);
}

/* ---------- 更新条目 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.news-card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--surface-2);border-bottom:1px solid var(--line)}
.news-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.news-card:hover .thumb img{transform:scale(1.03)}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-body h3{font-size:18px;font-weight:600;line-height:1.45}
.news-body .excerpt{font-size:14px;color:var(--ink-600);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;font-size:13px;color:var(--ink-400)}
.news-meta time{color:var(--ink-400)}

/* ---------- 转化条 ---------- */
.cta-band{
  background:var(--accent-100);
  border:1px solid var(--line);
  border-radius:20px;
  padding:40px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(22px,2.4vw,30px);font-weight:700}
.cta-band p{margin-top:10px;font-size:15.5px;color:var(--ink-600);max-width:620px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- FAQ ---------- */
.faq{max-width:860px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top: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:18px;font-weight:600;color:var(--ink-900);
  transition:color .18s ease;
}
.faq-q:hover{color:var(--brand-700)}
.faq-q .icon{position:relative;flex:none;width:18px;height:18px}
.faq-q .icon::before,.faq-q .icon::after{
  content:"";position:absolute;background:var(--brand-700);border-radius:2px;transition:transform .2s ease,background .2s ease;
}
.faq-q .icon::before{left:0;top:8px;width:18px;height:2px}
.faq-q .icon::after{left:8px;top:0;width:2px;height:18px}
.faq-item.is-open .faq-q{color:var(--brand-700)}
.faq-item.is-open .faq-q .icon::after{transform:rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease}
.faq-a p{padding:0 0 24px;font-size:15px;line-height:1.9;color:var(--ink-600);max-width:760px}

/* ---------- 页脚 ---------- */
.footer{background:var(--brand-900);color:rgba(255,255,255,.72);padding:72px 0 28px;margin-top:96px}
.footer .logo-text{color:#fff}
.footer .logo-text em{color:var(--brand-300)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-about{margin-top:18px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.66);max-width:340px}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.72);padding:6px 0}
.footer-col a:hover{color:var(--accent-500)}
.footer-bottom{
  margin-top:44px;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,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{padding:0 24px}
  .nav-links a{padding:0 10px;font-size:14px}
}
@media (max-width:991px){
  .section{padding:72px 0}
  .section-tight{padding:56px 0}
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .nav{gap:10px}
  .nav.is-open .nav-links{
    display:flex;flex-direction:column;align-items:stretch;gap:0;
    position:absolute;left:0;right:0;top:calc(100% + 12px);
    background:rgba(255,255,255,.98);
    border:1px solid var(--line);border-radius:22px;
    box-shadow:var(--shadow-2);padding:10px;overflow:hidden;
  }
  .nav.is-open .nav-links a{
    height:52px;border-radius:14px;padding:0 16px;font-size:16px;
  }
  .nav.is-open .nav-links a::after{display:none}
  .nav.is-open .nav-links a + a{border-top:1px solid var(--line);border-radius:0}
  .nav.is-open .nav-links a:nth-child(4){border-top:1px solid var(--line)}
  .nav.is-open .nav-links a.active{border-radius:14px;margin:6px 0}
  .page-hero{padding:132px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-visual{order:2}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .mini-grid{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:28px}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .section-tight{padding:48px 0}
  .nav{height:56px;padding:0 12px 0 14px}
  .logo-text{font-size:17px}
  .logo-text em{font-size:13px}
  .nav-cta .btn-sm{padding:9px 16px;font-size:14px}
  .page-hero{padding:118px 0 56px}
  .metric-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .mini-grid{grid-template-columns:1fr;gap:16px}
  .news-grid{grid-template-columns:1fr;gap:16px}
  .metric-card{padding:18px}
  .metric-card .value{font-size:28px}
  .tl-item{padding-left:52px}
  .tl-card{padding:18px}
  .cta-band{padding:26px 20px;border-radius:16px}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
  .footer{margin-top:56px;padding:52px 0 24px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .btn{width:100%}
  .nav .btn{width:auto}
}