/* roulang page: index */
:root{
  --green-900:#0B2F26;
  --green-800:#0D4636;
  --green-700:#0F5B45;
  --green-500:#147A5C;
  --amber:#E0A93C;
  --gold:#F2C75C;
  --red:#C5443A;
  --ivory:#F6F4EF;
  --paper:#ECE9E1;
  --ink:#16211D;
  --muted:#55605B;
  --line:#D9D5C9;
  --line-dark:rgba(255,255,255,.16);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:14px;
  --pill:999px;
  --sh-1:0 10px 30px rgba(15,59,45,.10);
  --sh-2:0 16px 40px rgba(15,59,45,.16);
  --sec:96px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Noto Sans SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--ivory);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-md);}
a{color:var(--green-700);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--amber);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;}
h1{font-size:44px;line-height:1.24;letter-spacing:-.5px;}
h2{font-size:30px;}
h3{font-size:21px;font-weight:600;}
h4{font-size:16px;font-weight:600;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px;}

.container{max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:var(--sec) 0;}
.section-paper{background:var(--paper);}
.section-dark{background:var(--green-900);color:var(--ivory);}
.section-dark h2,.section-dark h3{color:#fff;}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(11,47,38,.42);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.28);
  box-shadow:0 6px 24px rgba(11,47,38,.18);
  transition:background .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.site-header.is-solid{
  background:rgba(246,244,239,.97);
  border-bottom-color:var(--line);
  box-shadow:0 8px 24px rgba(15,59,45,.12);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px;transition:height .18s ease;}
.site-header.is-solid .nav-wrap{height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--green-500),var(--green-700));
  color:var(--gold);font-size:14px;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.22);
}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.2px;color:#F6F4EF;transition:color .18s ease;}
.site-header.is-solid .brand-text{color:var(--ink);}
.brand:hover .brand-text{color:var(--gold);}
.site-header.is-solid .brand:hover .brand-text{color:var(--green-700);}
.nav-main{display:flex;align-items:center;gap:6px;flex:1;justify-content:center;}
.nav-link{
  position:relative;padding:9px 14px;border-radius:var(--pill);
  font-size:15px;color:rgba(246,244,239,.86);white-space:nowrap;
  transition:color .18s ease,background .18s ease;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.12);}
.nav-link.is-active{color:var(--gold);}
.nav-link.is-active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--gold);
}
.site-header.is-solid .nav-link{color:var(--muted);}
.site-header.is-solid .nav-link:hover{color:var(--green-700);background:rgba(15,91,69,.08);}
.site-header.is-solid .nav-link.is-active{color:var(--green-700);}
.site-header.is-solid .nav-link.is-active::after{background:var(--green-700);}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid rgba(255,255,255,.3);background:rgba(255,255,255,.1);
  color:#F6F4EF;font-size:17px;cursor:pointer;
}
.site-header.is-solid .nav-toggle{color:var(--ink);border-color:var(--line);background:#fff;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 28px;border-radius:var(--pill);
  font-size:16px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;
}
.btn-sm{height:42px;padding:0 20px;font-size:14px;}
.btn-primary{background:linear-gradient(180deg,var(--green-500),var(--green-700));color:#fff;box-shadow:0 10px 30px rgba(11,47,38,.28);}
.btn-primary:hover{background:linear-gradient(180deg,#178a68,#0c4633);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);}
.btn-gold{background:linear-gradient(180deg,var(--gold),var(--amber));color:#22190a;}
.btn-gold:hover{background:linear-gradient(180deg,#f6d47c,#cf9a2e);color:#22190a;transform:translateY(-2px);box-shadow:0 16px 40px rgba(224,169,60,.35);}
.btn-ghost{background:transparent;border-color:rgba(246,244,239,.5);color:#F6F4EF;}
.btn-ghost:hover{background:rgba(246,244,239,.14);color:#fff;transform:translateY(-2px);}
.btn-outline{background:#fff;border-color:var(--line);color:var(--green-700);}
.btn-outline:hover{border-color:var(--green-500);color:var(--green-700);transform:translateY(-2px);box-shadow:var(--sh-1);}
.btn-block{width:100%;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:164px 0 104px;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  color:var(--ivory);overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(11,47,38,.95) 0%,rgba(15,91,69,.86) 46%,rgba(15,91,69,.36) 100%);
}
.hero .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 16px;
  border-radius:var(--pill);border:1px solid rgba(255,255,255,.3);
  background:rgba(255,255,255,.1);font-size:13px;color:#F6F4EF;margin-bottom:22px;
}
.hero-tag i{color:var(--gold);}
.hero h1{max-width:16em;}
.hero-sub{margin-top:20px;font-size:17px;line-height:1.85;color:rgba(246,244,239,.86);max-width:34em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:14px;margin-top:40px;}
.hero-badge{
  min-width:132px;padding:14px 18px;border-radius:var(--r-md);
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.08);
}
.hero-badge strong{display:block;font-size:24px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;line-height:1.2;}
.hero-badge span{font-size:13px;color:rgba(246,244,239,.78);}

.hero-visual{position:relative;min-height:420px;}
.device{
  position:relative;width:260px;height:400px;margin:0 auto;
  border-radius:34px;padding:12px;
  background:linear-gradient(160deg,rgba(255,255,255,.22),rgba(255,255,255,.06));
  border:1px solid rgba(255,255,255,.3);
  box-shadow:0 30px 60px rgba(4,20,15,.45);
}
.device-screen{position:relative;height:100%;border-radius:24px;overflow:hidden;background:rgba(11,47,38,.6);}
.device-screen img{width:100%;height:100%;object-fit:cover;border-radius:24px;opacity:.85;}
.device-bar{
  position:absolute;left:50%;top:8px;transform:translateX(-50%);
  width:64px;height:6px;border-radius:var(--pill);background:rgba(255,255,255,.45);
}
.chip{position:absolute;border-radius:50%;border:6px dashed rgba(255,255,255,.5);}
.chip-a{width:78px;height:78px;left:0;top:56px;background:rgba(224,169,60,.85);border-color:rgba(255,255,255,.4);}
.chip-b{width:54px;height:54px;right:6px;bottom:66px;background:rgba(20,122,92,.9);border-color:rgba(242,199,92,.6);}
.float-card{
  position:absolute;right:-6px;top:34px;padding:16px 20px;border-radius:var(--r-md);
  background:rgba(11,47,38,.86);border:1px solid rgba(255,255,255,.2);
  box-shadow:0 18px 40px rgba(4,20,15,.4);min-width:158px;
}
.float-card .fc-label{display:block;font-size:12px;color:rgba(246,244,239,.7);}
.float-card strong{display:block;font-size:26px;font-weight:800;color:var(--gold);font-variant-numeric:tabular-nums;line-height:1.3;}
.float-card .fc-sub{font-size:12px;color:rgba(246,244,239,.75);}

/* ---------- 通用标题 ---------- */
.sec-head{max-width:720px;margin-bottom:52px;}
.sec-tag{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;margin-bottom:16px;
  border-radius:var(--pill);background:rgba(15,91,69,.1);color:var(--green-700);
  font-size:13px;font-weight:600;letter-spacing:.4px;
}
.section-dark .sec-tag{background:rgba(242,199,92,.16);color:var(--gold);}
.sec-desc{margin-top:16px;color:var(--muted);font-size:16px;}
.section-dark .sec-desc{color:rgba(246,244,239,.78);}

/* ---------- 三步上手 ---------- */
.step-list{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;}
.step-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:34px 28px 30px;box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease;
}
.step-card:nth-child(2){margin-top:34px;}
.step-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.step-card:nth-child(2):hover{transform:translateY(31px);}
.step-card::after{
  content:"";position:absolute;top:78px;right:-32px;width:32px;
  border-top:2px dashed var(--line);
}
.step-card:last-child::after{display:none;}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:52px;height:52px;border-radius:var(--r-md);
  background:rgba(15,91,69,.08);color:var(--green-700);
  font-size:20px;font-weight:800;font-variant-numeric:tabular-nums;margin-bottom:20px;
}
.step-card h3{margin-bottom:12px;}
.step-card p{color:var(--muted);font-size:15px;margin:0;}
.step-icon{position:absolute;top:34px;right:28px;color:var(--amber);font-size:20px;opacity:.85;}

/* ---------- 数据徽章条 ---------- */
.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px 24px;transition:transform .18s ease,box-shadow .18s ease;
}
.stat-item:hover{transform:translateY(-2px);box-shadow:var(--sh-1);}
.stat-num{font-size:34px;font-weight:800;color:var(--green-700);font-variant-numeric:tabular-nums;line-height:1.2;}
.stat-num small{font-size:15px;font-weight:600;margin-left:4px;color:var(--muted);}
.stat-label{margin-top:8px;font-size:14px;color:var(--muted);}

/* ---------- 案例证明 ---------- */
.case-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:32px;align-items:stretch;}
.case-main{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;
}
.case-media{position:relative;}
.case-media img{width:100%;height:264px;object-fit:cover;border-radius:0;}
.case-badge{
  position:absolute;left:24px;bottom:24px;display:flex;align-items:baseline;gap:8px;
  padding:12px 20px;border-radius:var(--pill);background:rgba(11,47,38,.9);
  border:1px solid rgba(255,255,255,.2);
}
.case-badge strong{font-size:22px;font-weight:800;color:var(--gold);font-variant-numeric:tabular-nums;}
.case-badge span{font-size:13px;color:rgba(246,244,239,.8);}
.case-body{padding:28px 30px 30px;}
.case-quote{font-size:17px;line-height:1.8;color:var(--ink);margin-bottom:18px;}
.case-source{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);}
.case-source .dot{width:8px;height:8px;border-radius:50%;background:var(--amber);}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--pill);
  background:rgba(15,91,69,.09);color:var(--green-700);font-size:12px;font-weight:600;
}
.case-side{display:grid;gap:20px;align-content:start;}
.case-point{
  background:#fff;border:1px solid var(--line);border-left:4px solid var(--amber);
  border-radius:var(--r-md);padding:22px 24px;
}
.case-point h4{margin-bottom:8px;}
.case-point p{margin:0;font-size:14px;color:var(--muted);}

/* ---------- 最新信息 ---------- */
.news-grid{row-gap:0;}
.news-lead{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);height:100%;
  transition:transform .18s ease,box-shadow .18s ease;
}
.news-lead:hover{transform:translateY(-3px);box-shadow:var(--sh-2);color:var(--green-700);}
.news-lead-media{overflow:hidden;}
.news-lead-media img{width:100%;height:230px;object-fit:cover;border-radius:0;transition:transform .2s ease;}
.news-lead:hover .news-lead-media img{transform:scale(1.03);}
.news-lead-body{padding:24px 26px 26px;}
.news-lead-body h3{margin:14px 0 10px;color:var(--ink);}
.news-lead-body p{color:var(--muted);font-size:15px;margin:0 0 16px;}
.news-row{
  display:grid;grid-template-columns:132px 1fr;gap:20px;
  padding:18px 0;border-bottom:1px dashed var(--line);
  transition:transform .18s ease;
}
.news-row:last-child{border-bottom:0;}
.news-row:hover{transform:translateX(4px);}
.news-row-media img{width:100%;height:92px;object-fit:cover;}
.news-row-body h3{font-size:17px;color:var(--ink);margin-bottom:6px;}
.news-row-body p{font-size:14px;color:var(--muted);margin:0 0 8px;}
.meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13px;color:var(--muted);}
.meta time{font-variant-numeric:tabular-nums;}
.meta .more{color:var(--green-700);font-weight:600;margin-left:auto;}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-empty{
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-lg);
  padding:64px 24px;text-align:center;box-shadow:var(--sh-1);
}
.news-empty i{font-size:34px;color:var(--green-500);opacity:.7;}
.news-empty p{margin:18px 0 22px;color:var(--muted);}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:14px;overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item.is-open{border-color:var(--green-500);box-shadow:var(--sh-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 24px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:17px;font-weight:600;color:var(--ink);
}
.faq-q:hover{color:var(--green-700);}
.faq-icon{
  flex-shrink:0;width:30px;height:30px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--green-700);font-size:13px;
  transition:transform .18s ease,background .18s ease,color .18s ease;
}
.faq-item.is-open .faq-icon{background:var(--green-700);border-color:var(--green-700);color:#fff;transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease;padding:0 24px;}
.faq-a-inner{padding-left:20px;border-top:1px solid var(--line);padding-top:16px;padding-bottom:22px;color:var(--muted);font-size:15px;}
.faq-a-inner p:last-child{margin-bottom:0;}

/* ---------- CTA ---------- */
.cta{background:var(--green-900);color:var(--ivory);position:relative;overflow:hidden;}
.cta::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;
  border-radius:50%;background:radial-gradient(circle,rgba(20,122,92,.55),rgba(11,47,38,0) 70%);
}
.cta .container{position:relative;z-index:2;}
.cta-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:start;}
.cta h2{color:#fff;}
.cta-lead{color:rgba(246,244,239,.8);margin-top:14px;max-width:32em;}
.cta-form{margin-top:32px;display:grid;gap:18px;}
.field label{display:block;font-size:14px;margin-bottom:8px;color:rgba(246,244,239,.88);}
.field label .req{color:var(--red);margin-left:4px;}
.field input,.field textarea{
  width:100%;border-radius:var(--r-sm);border:1px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.06);color:#fff;font-family:inherit;font-size:15px;
  padding:0 16px;height:48px;transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.field textarea{height:auto;min-height:110px;padding:12px 16px;resize:vertical;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:rgba(246,244,239,.45);}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--amber);background:rgba(255,255,255,.1);
  box-shadow:0 0 0 3px rgba(224,169,60,.22);
}
.form-tip{margin:0;font-size:14px;color:var(--gold);opacity:0;transition:opacity .18s ease;}
.form-tip.is-on{opacity:1;}
.cta-side{
  background:rgba(255,255,255,.05);border:1px solid var(--line-dark);
  border-radius:var(--r-lg);padding:32px 28px;
}
.qr-box{
  width:168px;height:168px;border-radius:var(--r-md);background:#fff;
  display:flex;align-items:center;justify-content:center;
  color:var(--green-700);font-size:44px;margin:0 auto 16px;
}
.qr-tip{text-align:center;font-size:13px;color:rgba(246,244,239,.72);margin-bottom:24px;}
.cta-points{display:grid;gap:14px;}
.cta-points li{display:flex;gap:12px;align-items:flex-start;font-size:14px;color:rgba(246,244,239,.86);}
.cta-points i{color:var(--gold);margin-top:6px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--green-900);color:rgba(246,244,239,.78);padding:72px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;}
.footer-col h4{color:#fff;margin-bottom:18px;font-size:15px;letter-spacing:.4px;}
.footer-col p{font-size:14px;line-height:1.85;margin-top:16px;max-width:24em;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{color:rgba(246,244,239,.78);font-size:14px;}
.footer-col ul a:hover{color:var(--gold);}
.footer-col li{font-size:14px;}
.brand-footer .brand-text{color:#fff;font-size:16px;}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line-dark);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(246,244,239,.6);
}

/* ---------- 抽屉 ---------- */
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:290px;z-index:90;
  background:var(--green-900);border-left:1px solid var(--line-dark);
  padding:26px 24px;transform:translateX(100%);
  transition:transform .2s ease;display:flex;flex-direction:column;gap:8px;
}
.nav-drawer.is-open{transform:translateX(0);}
.nav-drawer a{color:rgba(246,244,239,.85);padding:14px 8px;border-radius:12px;font-size:16px;}
.nav-drawer a:hover{background:rgba(255,255,255,.08);color:var(--gold);}
.nav-drawer .btn{margin-top:18px;}
.drawer-close{
  align-self:flex-end;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line-dark);background:transparent;color:#fff;font-size:16px;cursor:pointer;
}
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,47,38,.55);z-index:85;
  opacity:0;pointer-events:none;transition:opacity .2s ease;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--sec:72px;}
  .container{padding:0 28px;}
  h1{font-size:36px;}
  h2{font-size:26px;}
  .nav-main{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .hero{padding:140px 0 84px;}
  .hero-grid{grid-template-columns:1fr;gap:48px;}
  .hero-visual{min-height:360px;}
  .step-list{grid-template-columns:1fr;gap:20px;}
  .step-card:nth-child(2){margin-top:0;}
  .step-card:nth-child(2):hover{transform:translateY(-3px);}
  .step-card::after{display:none;}
  .stats-row{grid-template-columns:repeat(2,1fr);}
  .case-grid{grid-template-columns:1fr;}
  .cta-grid{grid-template-columns:1fr;gap:40px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:640px){
  :root{--sec:56px;}
  .container{padding:0 20px;}
  h1{font-size:29px;}
  h2{font-size:23px;}
  h3{font-size:18px;}
  body{font-size:15px;line-height:1.75;}
  .hero{padding:126px 0 72px;}
  .hero-badges{gap:10px;}
  .hero-badge{flex:1 1 calc(50% - 5px);min-width:0;padding:12px 14px;}
  .hero-badge strong{font-size:20px;}
  .hero-actions .btn{width:100%;}
  .device{width:220px;height:340px;}
  .float-card{right:0;top:14px;padding:12px 16px;min-width:132px;}
  .float-card strong{font-size:21px;}
  .chip-a{width:60px;height:60px;left:-6px;}
  .chip-b{width:44px;height:44px;right:0;}
  .stats-row{grid-template-columns:1fr;gap:14px;}
  .news-row{grid-template-columns:1fr;gap:12px;}
  .news-row-media img{height:170px;}
  .news-lead-media img{height:190px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .cta-side{padding:26px 20px;}
  .qr-box{width:140px;height:140px;font-size:36px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
:root{
  --green-900:#0B2F26;
  --green-700:#0F5B45;
  --green-500:#147A5C;
  --amber-500:#E0A93C;
  --amber-300:#F2C75C;
  --red-500:#C5443A;
  --ivory:#F6F4EF;
  --sand:#ECE9E1;
  --white:#FFFFFF;
  --ink:#16211D;
  --ink-soft:#55605B;
  --line:#D9D5C9;
  --line-dark:rgba(255,255,255,.16);
  --radius-lg:24px;
  --radius-md:16px;
  --radius-pill:999px;
  --shadow-sm:0 10px 30px rgba(15,59,45,.10);
  --shadow-md:0 16px 40px rgba(15,59,45,.16);
  --container:1200px;
  --sec-space:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px;}
body{
  margin:0;
  font-family:"PingFang SC","Noto Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--ivory);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);letter-spacing:.2px;}
h1{font-size:44px;line-height:1.25;}
h2{font-size:30px;line-height:1.3;}
h3{font-size:21px;font-weight:600;line-height:1.45;}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
a{color:var(--green-700);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--amber-500);}
img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,textarea{font-family:inherit;font-size:16px;}
::selection{background:rgba(224,169,60,.35);}
:focus-visible{outline:2px solid var(--amber-500);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:0;left:0;right:0;
  z-index:100;
  background:rgba(11,47,38,.42);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.28);
  box-shadow:0 6px 20px rgba(11,47,38,.12);
  transition:background .18s ease,box-shadow .18s ease,height .18s ease;
}
.site-header.is-scrolled{
  background:var(--ivory);
  border-bottom:1px solid var(--line);
  box-shadow:0 8px 24px rgba(15,59,45,.14);
}
.nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:76px;
  transition:height .18s ease;
}
.site-header.is-scrolled .nav-wrap{height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ivory);font-weight:700;}
.brand:hover{color:var(--amber-300);}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:linear-gradient(140deg,var(--green-500),var(--green-700));
  color:var(--amber-300);
  font-size:15px;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.22);
}
.brand-text{font-size:18px;letter-spacing:.4px;white-space:nowrap;}
.site-header.is-scrolled .brand{color:var(--ink);}
.site-header.is-scrolled .brand:hover{color:var(--amber-500);}
.nav-main{display:flex;align-items:center;gap:6px;}
.nav-link{
  display:inline-flex;align-items:center;
  height:40px;padding:0 16px;
  border-radius:var(--radius-pill);
  font-size:15px;font-weight:500;
  color:rgba(246,244,239,.86);
}
.nav-link:hover{color:var(--amber-300);background:rgba(255,255,255,.10);}
.nav-link.is-active{color:var(--green-900);background:var(--amber-300);font-weight:700;}
.nav-link.is-active:hover{color:var(--green-900);background:var(--amber-300);}
.site-header.is-scrolled .nav-link{color:var(--ink-soft);}
.site-header.is-scrolled .nav-link:hover{color:var(--green-700);background:rgba(15,91,69,.08);}
.site-header.is-scrolled .nav-link.is-active{color:var(--white);background:var(--green-700);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:0 26px;height:48px;
  border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--green-700);color:var(--ivory);box-shadow:var(--shadow-sm);}
.btn-primary:hover{background:#0C4B39;color:var(--ivory);transform:translateY(-2px);box-shadow:var(--shadow-md);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--ivory);border:1px solid rgba(255,255,255,.42);}
.btn-ghost:hover{color:var(--amber-300);border-color:var(--amber-300);transform:translateY(-2px);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-light{background:var(--ivory);color:var(--green-700);}
.btn-light:hover{background:var(--amber-300);color:var(--green-900);transform:translateY(-2px);}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:14px;
  color:var(--ivory);
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.28);
  font-size:17px;
}
.site-header.is-scrolled .nav-toggle{color:var(--ink);background:rgba(15,91,69,.08);border-color:var(--line);}

/* ============ 页头 Banner ============ */
.page-banner{
  position:relative;
  padding:150px 0 72px;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  background-color:var(--green-900);
  overflow:hidden;
}
.page-banner::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(11,47,38,.92) 0%,rgba(11,47,38,.78) 48%,rgba(15,91,69,.55) 100%);
}
.banner-inner{position:relative;z-index:2;max-width:840px;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:rgba(246,244,239,.72);margin-bottom:18px;}
.breadcrumb a{color:rgba(246,244,239,.86);}
.breadcrumb a:hover{color:var(--amber-300);}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .current{color:var(--amber-300);font-weight:600;}
.page-banner h1{color:var(--white);margin-bottom:18px;}
.page-banner h1 .hl{color:var(--amber-300);}
.banner-sub{font-size:16.5px;color:rgba(246,244,239,.84);max-width:720px;margin-bottom:0;}
.banner-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  height:34px;padding:0 16px;
  border-radius:var(--radius-pill);
  font-size:13.5px;font-weight:500;
  background:rgba(255,255,255,.10);
  border:1px solid var(--line-dark);
  color:rgba(246,244,239,.9);
}
.chip i{color:var(--amber-300);font-size:12px;}

/* ============ 主列表区 ============ */
.cat-body{background:var(--ivory);padding:var(--sec-space) 0;}
.cat-layout{display:grid;grid-template-columns:262px minmax(0,1fr);gap:36px;align-items:start;}
.anchor-card{
  position:sticky;top:96px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:26px 22px;
  box-shadow:var(--shadow-sm);
}
.anchor-title{font-size:15px;font-weight:700;color:var(--ink-soft);letter-spacing:1px;margin-bottom:16px;}
.anchor-nav{display:flex;flex-direction:column;gap:4px;}
.anchor-link{
  display:flex;align-items:center;gap:10px;
  min-height:44px;padding:8px 12px;
  border-radius:14px;
  font-size:14.5px;color:var(--ink-soft);
  border-left:3px solid transparent;
}
.anchor-link:hover{background:var(--sand);color:var(--green-700);}
.anchor-link.is-current{
  color:var(--green-700);
  font-weight:700;
  background:rgba(15,91,69,.07);
  border-left-color:var(--green-700);
}
.anchor-note{
  margin-top:22px;padding-top:18px;
  border-top:1px dashed var(--line);
  font-size:13.5px;color:var(--ink-soft);line-height:1.7;
}
.list-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap;}
.list-head h2{font-size:28px;}
.list-head p{margin:8px 0 0;font-size:15px;color:var(--ink-soft);}
.list-count{font-size:13.5px;color:var(--ink-soft);}
.card-list{display:flex;flex-direction:column;gap:24px;}
.post-card{
  position:relative;
  display:grid;grid-template-columns:300px minmax(0,1fr);
  gap:0;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:transform .18s ease,box-shadow .18s ease;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);}
.post-thumb{position:relative;background:var(--sand);overflow:hidden;min-height:210px;}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .2s ease;}
.post-card:hover .post-thumb img{transform:scale(1.03);}
.post-num{
  position:absolute;top:16px;left:16px;
  min-width:44px;height:32px;padding:0 12px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--radius-pill);
  background:rgba(11,47,38,.78);
  color:var(--amber-300);
  font-size:14px;font-weight:800;
  font-variant-numeric:tabular-nums;
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.post-body{padding:26px 28px;display:flex;flex-direction:column;justify-content:center;}
.post-body h3{margin-bottom:10px;}
.post-card:hover .post-body h3{color:var(--green-700);}
.post-body p{font-size:15px;color:var(--ink-soft);margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.tag{
  display:inline-flex;align-items:center;
  height:28px;padding:0 14px;
  border-radius:var(--radius-pill);
  font-size:13px;font-weight:600;
  background:rgba(15,91,69,.09);
  color:var(--green-700);
}
.tag-soft{background:var(--sand);color:var(--ink-soft);font-weight:500;}
.post-link{position:absolute;inset:0;z-index:3;text-indent:-9999px;overflow:hidden;}
.post-link:focus-visible{outline:2px solid var(--amber-500);outline-offset:-4px;}

/* ============ 检查清单 ============ */
.checklist{background:var(--sand);padding:var(--sec-space) 0;}
.sec-head{max-width:720px;margin-bottom:44px;}
.sec-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;margin-bottom:16px;
  border-radius:var(--radius-pill);
  background:rgba(15,91,69,.10);
  color:var(--green-700);
  font-size:13px;font-weight:600;letter-spacing:.6px;
}
.sec-head h2{margin-bottom:14px;}
.sec-head p{color:var(--ink-soft);font-size:16px;margin-bottom:0;}
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.check-item{
  display:flex;gap:16px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:22px 24px;
  transition:box-shadow .18s ease,transform .18s ease;
}
.check-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm);}
.check-icon{
  flex:0 0 40px;width:40px;height:40px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:14px;
  background:rgba(224,169,60,.18);
  color:#9A6E12;
  font-size:16px;
}
.check-item h3{font-size:17px;margin-bottom:6px;}
.check-item p{font-size:14.5px;color:var(--ink-soft);margin-bottom:0;}
.check-warn{color:var(--red-500);font-weight:700;}

/* ============ 数据徽章条 ============ */
.stats-band{background:var(--green-900);padding:76px 0;}
.stats-band .sec-head h2{color:var(--white);}
.stats-band .sec-head p{color:rgba(246,244,239,.72);}
.stats-band .eyebrow{background:rgba(255,255,255,.10);color:var(--amber-300);}
.badges-row{margin-top:8px;}
.badge{
  background:rgba(255,255,255,.04);
  border:1px solid var(--line-dark);
  border-radius:var(--radius-md);
  padding:24px 22px;
  margin-bottom:24px;
  transition:border-color .18s ease,background-color .18s ease;
}
.badge:hover{border-color:rgba(242,199,92,.55);background:rgba(255,255,255,.07);}
.badge .badge-num{
  display:block;
  font-size:38px;font-weight:800;line-height:1.1;
  color:var(--amber-300);
  font-variant-numeric:tabular-nums;
  margin-bottom:8px;
}
.badge .badge-label{display:block;font-size:15px;font-weight:600;color:var(--ivory);margin-bottom:6px;}
.badge .badge-desc{display:block;font-size:13.5px;color:rgba(246,244,239,.66);line-height:1.6;}

/* ============ FAQ ============ */
.faq-section{background:var(--ivory);padding:var(--sec-space) 0;}
.faq-wrap{max-width:880px;}
.faq-item{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  margin-bottom:14px;
  overflow:hidden;
  transition:box-shadow .18s ease,border-color .18s ease;
}
.faq-item:hover{border-color:#C6C1B2;}
.faq-item.is-open{box-shadow:var(--shadow-sm);border-color:rgba(15,91,69,.28);}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 24px;
  text-align:left;
  font-size:16.5px;font-weight:600;color:var(--ink);
  min-height:44px;
}
.faq-q:hover{color:var(--green-700);}
.faq-icon{
  position:relative;flex:0 0 30px;width:30px;height:30px;
  border-radius:50%;
  background:var(--sand);
  transition:background-color .18s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;
  background:var(--green-700);
  transform:translate(-50%,-50%);
  transition:transform .18s ease,background-color .18s ease;
}
.faq-icon::before{width:12px;height:2px;}
.faq-icon::after{width:2px;height:12px;}
.faq-item.is-open .faq-icon{background:var(--amber-300);}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) scaleY(0);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .2s ease;
}
.faq-a p{
  padding:0 24px 22px 44px;
  font-size:15px;color:var(--ink-soft);
  border-top:1px solid var(--line);
  margin:0;
  padding-top:18px;
}
.faq-item.is-open .faq-a{max-height:420px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--green-900);color:rgba(246,244,239,.78);padding:76px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px;padding-bottom:44px;border-bottom:1px solid var(--line-dark);}
.brand-footer{color:var(--ivory);margin-bottom:16px;}
.brand-footer:hover{color:var(--amber-300);}
.footer-col p{font-size:14.5px;line-height:1.8;color:rgba(246,244,239,.66);margin-bottom:0;max-width:330px;}
.footer-col h4{font-size:15px;color:var(--white);margin-bottom:18px;letter-spacing:.5px;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col li{font-size:14.5px;color:rgba(246,244,239,.66);}
.footer-col a{color:rgba(246,244,239,.78);}
.footer-col a:hover{color:var(--amber-300);}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:22px;font-size:13.5px;color:rgba(246,244,239,.54);}

/* ============ 响应式 ============ */
@media screen and (max-width:1024px){
  h1{font-size:36px;}
  h2{font-size:26px;}
  :root{--sec-space:72px;}
  .container{padding:0 24px;}
  .nav-main{
    position:absolute;
    top:calc(100% + 10px);right:24px;
    width:250px;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:14px;
    border-radius:var(--radius-md);
    background:var(--ivory);
    border:1px solid var(--line);
    box-shadow:var(--shadow-md);
    display:none;
  }
  .nav-main.is-open{display:flex;}
  .nav-main .nav-link{color:var(--ink-soft);height:44px;border-radius:12px;}
  .nav-main .nav-link:hover{color:var(--green-700);background:rgba(15,91,69,.08);}
  .nav-main .nav-link.is-active{color:var(--white);background:var(--green-700);}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .cat-layout{grid-template-columns:minmax(0,1fr);gap:26px;}
  .anchor-card{position:static;padding:18px 18px 14px;}
  .anchor-title{margin-bottom:12px;}
  .anchor-nav{flex-direction:row;overflow-x:auto;gap:8px;padding-bottom:6px;-webkit-overflow-scrolling:touch;}
  .anchor-link{border-left:0;border:1px solid var(--line);border-radius:var(--radius-pill);white-space:nowrap;padding:8px 16px;min-height:40px;}
  .anchor-link.is-current{border-color:var(--green-700);background:rgba(15,91,69,.08);}
  .anchor-note{display:none;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media screen and (max-width:768px){
  :root{--sec-space:56px;}
  h1{font-size:30px;}
  h2{font-size:23px;}
  h3{font-size:18px;}
  .container{padding:0 20px;}
  .page-banner{padding:124px 0 56px;}
  .banner-sub{font-size:15.5px;}
  .post-card{grid-template-columns:minmax(0,1fr);}
  .post-thumb{min-height:0;aspect-ratio:16/10;}
  .post-body{padding:22px 20px;}
  .check-grid{grid-template-columns:minmax(0,1fr);}
  .badge{margin-bottom:16px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .faq-q{font-size:15.5px;padding:18px 18px;}
  .faq-a p{padding:16px 18px 20px 18px;}
}
@media screen and (max-width:520px){
  h1{font-size:26px;}
  .brand-text{font-size:16px;}
  .nav-actions .btn{display:none;}
  .badge .badge-num{font-size:32px;}
  .banner-chips .chip{font-size:12.5px;padding:0 13px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --green-900:#0B2F26;
  --green-700:#0F5B45;
  --green-500:#147A5C;
  --green-050:#E7F1EC;
  --amber:#E0A93C;
  --gold:#F2C75C;
  --red:#C5443A;
  --bg:#F6F4EF;
  --bg-2:#ECE9E1;
  --paper:#FFFFFF;
  --ink:#16211D;
  --ink-2:#55605B;
  --line:#D9D5C9;
  --line-dark:rgba(255,255,255,.16);
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:14px;
  --pill:999px;
  --shadow-1:0 10px 30px rgba(15,59,45,.10);
  --shadow-2:0 16px 40px rgba(15,59,45,.16);
  --container:1200px;
  --font:"PingFang SC","Noto Sans SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--green-500);text-decoration:none;transition:color .18s ease,opacity .18s ease;}
a:hover{color:var(--amber);}
h1,h2,h3,h4{font-family:var(--font);color:var(--ink);margin:0;font-weight:700;line-height:1.3;letter-spacing:.2px;}
p{margin:0 0 1em;}
button{font-family:inherit;font-size:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
table{border-collapse:collapse;}
::selection{background:rgba(224,169,60,.35);}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.section{padding:96px 0;}
.section-tight{padding:64px 0;}
.section-dark{background:var(--green-900);color:var(--bg);}
.section-alt{background:var(--bg-2);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;border-radius:var(--pill);
  padding:14px 26px;font-size:15px;font-weight:600;line-height:1.2;
  cursor:pointer;text-decoration:none;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn i{font-size:14px;}
.btn-primary{background:var(--amber);color:#33260A;box-shadow:0 8px 22px rgba(224,169,60,.28);}
.btn-primary:hover{background:#D39C2F;color:#33260A;transform:translateY(-2px);box-shadow:0 14px 30px rgba(224,169,60,.34);}
.btn-primary:active{transform:translateY(-1px);}
.btn-secondary{background:transparent;color:var(--green-700);border-color:var(--line);}
.btn-secondary:hover{background:var(--green-050);color:var(--green-700);border-color:var(--green-500);transform:translateY(-2px);}
.btn-outline-light{background:transparent;color:var(--bg);border-color:rgba(255,255,255,.34);}
.btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.6);transform:translateY(-2px);}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-lg{padding:16px 32px;font-size:16px;}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;
  background:rgba(11,47,38,.42);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.18);
  transition:background-color .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.site-header.is-solid{
  background:rgba(11,47,38,.96);
  border-bottom-color:var(--line-dark);
  box-shadow:0 8px 24px rgba(11,47,38,.24);
}
.nav-wrap{display:flex;align-items:center;gap:28px;height:76px;transition:height .18s ease;}
.site-header.is-solid .nav-wrap{height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:19px;letter-spacing:.4px;}
.brand:hover{color:#fff;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--green-500),var(--green-700));
  border:1px solid rgba(255,255,255,.28);color:var(--gold);font-size:14px;flex:0 0 auto;
}
.brand-text{white-space:nowrap;}
.nav-main{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;min-height:44px;
  padding:8px 14px;border-radius:var(--pill);
  color:rgba(246,244,239,.86);font-size:15px;font-weight:500;
  transition:background-color .18s ease,color .18s ease;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.12);}
.nav-link.is-active{color:#fff;background:rgba(255,255,255,.14);}
.nav-mobile-cta{display:none;}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:8px;}
.nav-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.24);
  border-radius:12px;color:#fff;cursor:pointer;transition:background-color .18s ease;
}
.nav-toggle:hover{background:rgba(255,255,255,.2);}

/* ---------- 文章头 ---------- */
.article-hero{
  position:relative;overflow:hidden;
  background:var(--green-900);
  padding:150px 0 72px;
  color:var(--bg);
}
.article-hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.34;
}
.article-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,47,38,.72) 0%,rgba(11,47,38,.90) 62%,rgba(11,47,38,.98) 100%);
}
.article-hero .container{position:relative;z-index:2;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(246,244,239,.66);margin-bottom:22px;}
.breadcrumb a{color:rgba(246,244,239,.8);}
.breadcrumb a:hover{color:var(--gold);}
.crumb-sep{opacity:.5;}
.crumb-current{color:rgba(246,244,239,.62);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-title{
  color:#fff;font-size:clamp(27px,3.6vw,44px);line-height:1.28;font-weight:700;
  max-width:900px;letter-spacing:.4px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:26px;}
.meta-item{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 15px;border-radius:var(--pill);
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);
  color:rgba(246,244,239,.9);font-size:13px;font-variant-numeric:tabular-nums;
}
.meta-item i{color:var(--gold);font-size:12px;}
.meta-tag{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 15px;border-radius:var(--pill);
  background:rgba(224,169,60,.16);border:1px solid rgba(224,169,60,.42);
  color:var(--gold);font-size:13px;font-weight:600;
}

/* ---------- 正文布局 ---------- */
.article-body{padding:72px 0 88px;}
.article-grid{
  display:grid;grid-template-columns:minmax(0,780px) 300px;
  gap:64px;justify-content:center;align-items:start;
}
.article-main{min-width:0;}
.article-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:52px 56px;box-shadow:var(--shadow-1);
}
.article-content{font-size:17px;line-height:1.9;color:var(--ink);}
.article-content > *:first-child{margin-top:0;}
.article-content p{margin:0 0 1.2em;color:#22302A;}
.article-content h2{
  font-size:28px;font-weight:700;margin:2em 0 .7em;padding-left:16px;
  border-left:4px solid var(--green-500);line-height:1.35;
}
.article-content h3{font-size:21px;font-weight:600;margin:1.7em 0 .6em;}
.article-content h4{font-size:18px;font-weight:600;margin:1.4em 0 .5em;color:var(--green-700);}
.article-content ul,.article-content ol{margin:0 0 1.3em;padding-left:24px;}
.article-content ul{list-style:disc;}
.article-content ol{list-style:decimal;}
.article-content li{margin-bottom:.55em;line-height:1.85;}
.article-content li::marker{color:var(--green-500);}
.article-content blockquote{
  margin:1.6em 0;padding:20px 24px;
  background:var(--green-050);border-left:3px solid var(--green-500);
  border-radius:0 var(--radius-md) var(--radius-md) 0;color:var(--green-700);
  font-size:16px;
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content img{border-radius:var(--radius-md);margin:1.6em auto;box-shadow:var(--shadow-1);}
.article-content figure{margin:1.6em 0;}
.article-content figcaption{font-size:13px;color:var(--ink-2);text-align:center;margin-top:10px;}
.article-content a{color:var(--green-500);border-bottom:1px solid rgba(20,122,92,.35);}
.article-content a:hover{color:var(--amber);border-bottom-color:rgba(224,169,60,.6);}
.article-content code{
  background:var(--bg-2);padding:2px 7px;border-radius:6px;
  font-size:.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:var(--green-700);
}
.article-content pre{
  background:var(--green-900);color:#E4F1EB;padding:20px 22px;border-radius:var(--radius-md);
  overflow-x:auto;font-size:14px;line-height:1.7;margin:1.6em 0;
}
.article-content pre code{background:none;color:inherit;padding:0;}
.article-content table{width:100%;margin:1.6em 0;font-size:15px;border-radius:var(--radius-md);overflow:hidden;}
.article-content th,.article-content td{border:1px solid var(--line);padding:11px 14px;text-align:left;}
.article-content th{background:var(--bg-2);font-weight:600;color:var(--green-700);}
.article-content tr:nth-child(even) td{background:#FBFAF7;}
.article-content hr{border:none;border-top:1px dashed var(--line);margin:2.2em 0;}

/* 空态 */
.empty-state{text-align:center;padding:40px 10px;}
.empty-state i{font-size:40px;color:var(--green-500);}
.empty-state h2{font-size:24px;margin:20px 0 12px;}
.empty-state p{color:var(--ink-2);max-width:460px;margin:0 auto 26px;font-size:15px;}

/* 侧栏 */
.article-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:24px;}
.side-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:24px;box-shadow:var(--shadow-1);
}
.side-card h3{
  font-size:15px;font-weight:700;letter-spacing:1px;color:var(--green-700);
  text-transform:uppercase;margin-bottom:16px;display:flex;align-items:center;gap:8px;
}
.side-card h3 i{color:var(--amber);font-size:13px;}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-link{
  display:block;padding:9px 12px;border-radius:10px;font-size:14px;line-height:1.55;
  color:var(--ink-2);border-left:2px solid transparent;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.toc-link:hover{background:var(--green-050);color:var(--green-700);border-left-color:var(--green-500);}
.side-links{display:flex;flex-direction:column;gap:12px;}
.side-links a{
  display:flex;gap:12px;align-items:flex-start;padding:12px;border-radius:12px;
  background:var(--bg);border:1px solid transparent;
  transition:border-color .18s ease,transform .18s ease,background-color .18s ease;
}
.side-links a:hover{border-color:var(--line);background:#FBFAF7;transform:translateY(-2px);}
.side-links img{width:64px;height:48px;object-fit:cover;border-radius:10px;background:var(--bg-2);flex:0 0 auto;}
.side-links span{font-size:14px;line-height:1.5;color:var(--ink);font-weight:500;}
.side-note{font-size:13px;color:var(--ink-2);line-height:1.7;}

/* 相关推荐 */
.section-head{max-width:720px;margin-bottom:40px;}
.section-head h2{font-size:clamp(24px,2.6vw,32px);line-height:1.3;}
.section-head p{margin-top:14px;color:var(--ink-2);font-size:16px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;
  font-size:13px;font-weight:600;letter-spacing:1.4px;color:var(--green-500);text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--amber);border-radius:2px;}
.section-dark .section-head h2,.section-dark .eyebrow{color:#fff;}
.section-dark .section-head p{color:rgba(246,244,239,.72);}

.card-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px;}
.post-card{
  position:relative;display:flex;flex-direction:column;overflow:hidden;
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-md);
  box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(20,122,92,.35);}
.post-card .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-2);}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease;}
.post-card:hover .thumb img{transform:scale(1.03);}
.post-card .body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1;}
.post-card h3{font-size:17px;line-height:1.5;font-weight:600;margin-bottom:10px;}
.post-card h3 a{color:var(--ink);}
.post-card h3 a::after{content:"";position:absolute;inset:0;}
.post-card h3 a:hover{color:var(--green-700);}
.post-card p{font-size:14px;color:var(--ink-2);line-height:1.7;margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;font-size:12px;color:var(--ink-2);font-variant-numeric:tabular-nums;}
.tag{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:var(--pill);
  background:var(--green-050);color:var(--green-700);font-size:12px;font-weight:600;
}
.back-row{margin-top:44px;display:flex;justify-content:center;}

/* FAQ */
.faq-list{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
.faq-item{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease;}
.faq-item.is-open{border-color:rgba(20,122,92,.4);box-shadow:var(--shadow-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;background:none;border:none;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;transition:color .18s ease;
}
.faq-q:hover{color:var(--green-700);}
.faq-icon{
  position:relative;width:26px;height:26px;flex:0 0 auto;border-radius:50%;
  background:var(--green-050);border:1px solid rgba(20,122,92,.28);transition:background-color .18s ease,transform .18s ease;
}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--green-700);border-radius:2px;transform:translate(-50%,-50%);}
.faq-icon::before{width:11px;height:2px;}
.faq-icon::after{width:2px;height:11px;transition:transform .18s ease,opacity .18s ease;}
.faq-item.is-open .faq-icon{background:var(--amber);border-color:var(--amber);}
.faq-item.is-open .faq-icon::after{opacity:0;}
.faq-item.is-open .faq-icon::before{background:#33260A;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease;}
.faq-a-inner{padding:0 24px 22px 24px;border-top:1px solid var(--line);margin-top:0;padding-top:18px;}
.faq-a p{font-size:15px;color:var(--ink-2);margin:0;line-height:1.85;}

/* CTA */
.cta-panel{
  display:grid;grid-template-columns:1.35fr 1fr;gap:56px;align-items:center;
  background:var(--green-900);color:var(--bg);
  border:1px solid var(--line-dark);border-radius:var(--radius-lg);
  padding:60px 56px;position:relative;overflow:hidden;
}
.cta-panel::before{
  content:"";position:absolute;right:-120px;top:-120px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(224,169,60,.26),rgba(224,169,60,0) 70%);
}
.cta-panel > *{position:relative;z-index:2;}
.cta-copy h2{color:#fff;font-size:clamp(23px,2.6vw,31px);line-height:1.35;}
.cta-copy p{color:rgba(246,244,239,.76);margin:18px 0 30px;font-size:16px;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.cta-points{display:flex;flex-direction:column;gap:18px;border-left:1px solid var(--line-dark);padding-left:40px;}
.cta-points li{display:flex;gap:14px;align-items:flex-start;}
.cta-points i{color:var(--gold);font-size:17px;margin-top:5px;}
.cta-points strong{display:block;color:#fff;font-size:15px;font-weight:600;margin-bottom:3px;}
.cta-points span{font-size:13.5px;color:rgba(246,244,239,.68);line-height:1.7;}

/* 页脚 */
.site-footer{background:var(--green-900);color:rgba(246,244,239,.78);padding:76px 0 30px;border-top:1px solid var(--line-dark);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:48px;}
.brand-footer{font-size:18px;color:#fff;margin-bottom:18px;}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(246,244,239,.66);max-width:320px;}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;letter-spacing:.6px;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col li{font-size:14px;line-height:1.7;color:rgba(246,244,239,.66);}
.footer-col a{color:rgba(246,244,239,.78);}
.footer-col a:hover{color:var(--gold);}
.footer-bottom{
  margin-top:52px;padding-top:24px;border-top:1px solid var(--line-dark);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(246,244,239,.55);font-variant-numeric:tabular-nums;
}

/* 响应式 */
@media (max-width:1199px){
  .article-grid{grid-template-columns:minmax(0,1fr) 280px;gap:40px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:36px;}
  .cta-panel{grid-template-columns:1fr;gap:34px;padding:48px 40px;}
  .cta-points{border-left:none;border-top:1px solid var(--line-dark);padding-left:0;padding-top:28px;}
}
@media (max-width:1023px){
  .nav-main{
    position:fixed;top:0;right:0;width:288px;height:100vh;
    background:var(--bg);flex-direction:column;align-items:stretch;gap:4px;
    padding:104px 22px 32px;margin:0;
    transform:translateX(105%);transition:transform .22s ease;
    box-shadow:-14px 0 44px rgba(11,47,38,.28);overflow-y:auto;
  }
  .nav-main.is-open{transform:translateX(0);}
  .nav-link{color:var(--ink);font-size:16px;min-height:48px;padding:12px 16px;border-radius:12px;}
  .nav-link:hover{background:var(--green-050);color:var(--green-700);}
  .nav-link.is-active{background:var(--green-050);color:var(--green-700);}
  .nav-mobile-cta{
    display:inline-flex;justify-content:center;margin-top:16px;
    background:var(--amber);color:#33260A;font-weight:600;
  }
  .nav-mobile-cta:hover{background:#D39C2F;color:#33260A;}
  .nav-toggle{display:inline-flex;}
  .nav-actions .btn{display:none;}
  .nav-actions{margin-left:auto;}
  .article-grid{grid-template-columns:minmax(0,1fr);gap:0;}
  .article-side{display:none;}
  .section{padding:72px 0;}
  .article-hero{padding:126px 0 60px;}
  .article-body{padding:56px 0 68px;}
  .article-card{padding:38px 32px;}
}
@media (max-width:640px){
  .container{padding:0 20px;}
  .nav-wrap{height:66px;gap:14px;}
  .brand{font-size:17px;}
  .brand-mark{width:30px;height:30px;border-radius:10px;font-size:12px;}
  .section{padding:56px 0;}
  .article-hero{padding:112px 0 48px;}
  .article-title{font-size:25px;}
  .article-meta{gap:8px;}
  .meta-item,.meta-tag{padding:6px 12px;font-size:12px;}
  .article-card{padding:28px 20px;border-radius:var(--radius-md);}
  .article-content{font-size:16px;line-height:1.85;}
  .article-content h2{font-size:22px;}
  .article-content h3{font-size:19px;}
  .card-grid{grid-template-columns:minmax(0,1fr);gap:20px;}
  .cta-panel{padding:34px 22px;gap:28px;}
  .cta-actions .btn{width:100%;}
  .faq-q{padding:16px 18px;font-size:15px;}
  .faq-a-inner{padding:16px 18px 18px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* roulang page: category2 */
:root{
  --ink-green-900:#0B2F26;
  --ink-green-700:#0F5B45;
  --ink-green-500:#147A5C;
  --amber-500:#E0A93C;
  --amber-300:#F2C75C;
  --red-500:#C5443A;
  --red-soft:#F2938B;
  --bg-ivory:#F6F4EF;
  --bg-sub:#ECE9E1;
  --text-main:#16211D;
  --text-sub:#55605B;
  --text-inverse:#F6F4EF;
  --line-light:#D9D5C9;
  --line-dark:rgba(255,255,255,.16);
  --radius-lg:24px;
  --radius-md:16px;
  --radius-pill:999px;
  --shadow-1:0 10px 30px rgba(15,59,45,.10);
  --shadow-2:0 16px 40px rgba(15,59,45,.16);
  --container:1200px;
  --section-y:96px;
  --tr:.18s ease;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Noto Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text-main);
  background:var(--bg-ivory);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;color:inherit}
h1{font-size:46px;line-height:1.25}
h2{font-size:30px;line-height:1.3}
h3{font-size:21px;font-weight:600}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
a{color:var(--ink-green-700);text-decoration:none;transition:color var(--tr)}
a:hover{color:var(--amber-500)}
img{display:block;max-width:100%;height:auto}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--amber-500);outline-offset:2px}
.skip-link{position:absolute;left:-9999px;top:0;background:#fff;color:var(--ink-green-700);padding:10px 18px;border-radius:0 0 12px 0;z-index:200}
.skip-link:focus{left:0}

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

/* ---------- header ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:100}
.site-header::before{
  content:"";position:absolute;inset:0;
  background:rgba(11,47,38,.42);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.28);
  box-shadow:0 8px 24px rgba(11,47,38,.18);
  transition:background var(--tr),border-color var(--tr),box-shadow var(--tr);
}
.site-header.is-scrolled::before{
  background:rgba(246,244,239,.96);
  border-bottom-color:var(--line-light);
  box-shadow:0 8px 24px rgba(15,59,45,.10);
}
.nav-wrap{position:relative;display:flex;align-items:center;justify-content:space-between;gap:28px;height:76px;transition:height var(--tr)}
.site-header.is-scrolled .nav-wrap{height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:18px}
.brand-mark{
  width:34px;height:34px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--ink-green-500),var(--ink-green-700));
  color:var(--amber-300);font-size:15px;flex:0 0 auto;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.18);
}
.brand-text{color:var(--text-inverse);transition:color var(--tr)}
.site-header.is-scrolled .brand-text{color:var(--ink-green-900)}
.nav-main{display:flex;align-items:center;gap:6px}
.nav-link{position:relative;padding:9px 15px;border-radius:var(--radius-pill);font-size:15px;color:rgba(246,244,239,.86);transition:background var(--tr),color var(--tr)}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.12)}
.nav-link.is-active{color:#fff;background:rgba(255,255,255,.16);box-shadow:inset 0 0 0 1px rgba(255,255,255,.24)}
.site-header.is-scrolled .nav-link{color:var(--text-sub)}
.site-header.is-scrolled .nav-link:hover{color:var(--ink-green-700);background:rgba(15,91,69,.08)}
.site-header.is-scrolled .nav-link.is-active{color:var(--ink-green-700);background:rgba(15,91,69,.10);box-shadow:none}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;cursor:pointer;
  border:1px solid rgba(255,255,255,.3);background:rgba(255,255,255,.12);color:#fff;font-size:18px;
  transition:background var(--tr),color var(--tr),border-color var(--tr);
}
.site-header.is-scrolled .nav-toggle{color:var(--ink-green-900);border-color:var(--line-light);background:rgba(15,91,69,.06)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border:1px solid transparent;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;cursor:pointer;
  transition:transform var(--tr),background var(--tr),box-shadow var(--tr),color var(--tr),border-color var(--tr);
}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-primary{background:var(--ink-green-700);color:#fff;box-shadow:0 8px 20px rgba(15,59,45,.24)}
.btn-primary:hover{background:#0C4A38;color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(15,59,45,.22)}
.btn-ghost{background:transparent;color:var(--ink-green-900);border-color:rgba(15,91,69,.32)}
.btn-ghost:hover{background:rgba(15,91,69,.08);color:var(--ink-green-700);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-amber{background:var(--amber-500);color:#1E2A22;box-shadow:0 8px 20px rgba(224,169,60,.26)}
.btn-amber:hover{background:#D19C2F;color:#1E2A22;transform:translateY(-2px);box-shadow:0 16px 34px rgba(224,169,60,.32)}
.btn-amber:active{transform:translateY(0)}
.btn-link{background:none;border:none;padding:0;color:var(--amber-300);font-weight:600;font-size:14px;cursor:pointer}
.btn-link:hover{color:#fff}

/* ---------- drawer ---------- */
.nav-drawer{position:fixed;inset:0;z-index:120;background:rgba(11,47,38,.55);opacity:0;visibility:hidden;transition:opacity var(--tr),visibility var(--tr)}
.nav-drawer.is-open{opacity:1;visibility:visible}
.nav-drawer-panel{
  position:absolute;top:0;right:0;width:min(330px,86vw);height:100%;
  background:var(--bg-ivory);padding:26px 22px;transform:translateX(100%);
  transition:transform .2s ease;box-shadow:-12px 0 32px rgba(11,47,38,.24);
  display:flex;flex-direction:column;gap:8px;
}
.nav-drawer.is-open .nav-drawer-panel{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.drawer-head .brand-text{color:var(--ink-green-900)}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line-light);background:#fff;color:var(--ink-green-900);font-size:16px;cursor:pointer}
.drawer-link{display:block;padding:14px 16px;border-radius:14px;color:var(--text-main);font-size:16px;font-weight:600;border:1px solid transparent}
.drawer-link:hover{background:rgba(15,91,69,.07);color:var(--ink-green-700)}
.drawer-link.is-active{background:rgba(15,91,69,.10);color:var(--ink-green-700);border-color:rgba(15,91,69,.18)}
.drawer-cta{margin-top:auto;width:100%}

/* ---------- banner ---------- */
.page-banner{position:relative;overflow:hidden;background:var(--ink-green-900);color:var(--text-inverse);padding:158px 0 86px}
.banner-bg{position:absolute;inset:0}
.banner-bg img{width:100%;height:100%;object-fit:cover;opacity:.38}
.page-banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(118deg,rgba(11,47,38,.95) 0%,rgba(11,47,38,.80) 48%,rgba(11,47,38,.42) 100%);
}
.banner-inner{position:relative;z-index:2;max-width:860px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(246,244,239,.68);margin-bottom:18px}
.breadcrumb a{color:rgba(246,244,239,.82)}
.breadcrumb a:hover{color:var(--amber-300)}
.breadcrumb .sep{opacity:.55}
.breadcrumb .current{color:var(--amber-300);font-weight:600}
.page-banner h1{color:#fff;margin-bottom:18px;max-width:16em}
.banner-sub{font-size:17px;line-height:1.85;color:rgba(246,244,239,.86);max-width:44em;margin-bottom:26px}
.banner-meta{display:flex;flex-wrap:wrap;gap:10px}
.meta-pill{
  display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:var(--radius-pill);
  border:1px solid var(--line-dark);background:rgba(255,255,255,.06);font-size:13px;color:rgba(246,244,239,.86);
}
.meta-pill i{color:var(--amber-300)}

/* ---------- tag bar ---------- */
.tagbar-section{background:var(--bg-sub);border-bottom:1px solid var(--line-light);padding:18px 0}
.tagbar{display:flex;align-items:center;gap:12px;overflow-x:auto;scrollbar-width:thin;-webkit-overflow-scrolling:touch;padding-bottom:2px}
.tagbar-label{font-size:13px;color:var(--text-sub);white-space:nowrap;flex:0 0 auto}
.chip{
  display:inline-flex;align-items:center;gap:8px;padding:9px 18px;border-radius:var(--radius-pill);
  background:#fff;border:1px solid var(--line-light);color:var(--text-sub);font-size:14px;white-space:nowrap;
  transition:background var(--tr),color var(--tr),border-color var(--tr),transform var(--tr);
}
.chip i{font-size:12px;color:var(--ink-green-500)}
.chip:hover{border-color:var(--ink-green-500);color:var(--ink-green-700);transform:translateY(-1px)}
.chip.is-active{background:var(--ink-green-700);border-color:var(--ink-green-700);color:#fff}
.chip.is-active i{color:var(--amber-300)}

/* ---------- sections ---------- */
.section{padding:var(--section-y) 0}
.section-sub{background:var(--bg-sub)}
.section-head{max-width:780px;margin-bottom:52px}
.section-head h2{margin-bottom:14px}
.section-head .lead{font-size:16px;color:var(--text-sub);margin:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--ink-green-500);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--amber-500);border-radius:2px}

/* ---------- timeline / numbered cards ---------- */
.timeline-group{padding-top:18px;margin-bottom:52px;scroll-margin-top:120px}
.group-head{display:flex;align-items:center;gap:14px;margin-bottom:26px}
.group-head h2{font-size:24px}
.group-tag{
  display:inline-flex;align-items:center;padding:5px 14px;border-radius:var(--radius-pill);
  background:rgba(224,169,60,.16);color:#8A6512;font-size:12px;font-weight:700;letter-spacing:.04em;
}
.step-card{
  display:grid;grid-template-columns:1fr 1.05fr;gap:44px;align-items:center;
  background:#fff;border:1px solid var(--line-light);border-radius:var(--radius-lg);
  padding:30px;box-shadow:var(--shadow-1);margin-bottom:26px;
  transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);
}
.step-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#C9C4B6}
.step-card:nth-child(even){grid-template-columns:1.05fr 1fr}
.step-card:nth-child(even) .step-body{order:2}
.step-body{padding:6px 4px}
.step-num{
  font-size:46px;font-weight:800;line-height:1;letter-spacing:-1px;font-variant-numeric:tabular-nums;
  color:rgba(15,91,69,.20);margin-bottom:10px;
}
.step-card:hover .step-num{color:rgba(224,169,60,.55)}
.step-body h3{margin-bottom:14px}
.step-points{display:grid;gap:10px;margin-top:6px}
.step-points li{position:relative;padding-left:20px;font-size:15px;color:var(--text-sub);line-height:1.75}
.step-points li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;
  background:var(--amber-500);box-shadow:0 0 0 3px rgba(224,169,60,.18);
}
.step-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.tag{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:var(--radius-pill);
  background:var(--bg-sub);border:1px solid var(--line-light);color:var(--text-sub);font-size:12px;
}
.step-media{border-radius:var(--radius-md);overflow:hidden;background:var(--bg-sub);position:relative}
.step-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-md);transition:transform .2s ease}
.step-card:hover .step-media img{transform:scale(1.03)}

/* ---------- dark adapt section ---------- */
.adapt-section{background:var(--ink-green-900);color:var(--text-inverse);padding:var(--section-y) 0}
.adapt-section .section-head h2{color:#fff}
.adapt-section .eyebrow{color:var(--amber-300)}
.adapt-section .section-head .lead{color:rgba(246,244,239,.76)}
.adapt-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.adapt-card{
  border:1px solid var(--line-dark);border-radius:var(--radius-md);padding:28px;
  background:rgba(255,255,255,.045);transition:background var(--tr),border-color var(--tr),transform var(--tr);
}
.adapt-card:hover{background:rgba(255,255,255,.075);border-color:rgba(255,255,255,.3);transform:translateY(-2px)}
.adapt-card .adapt-icon{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:rgba(224,169,60,.16);color:var(--amber-300);font-size:17px;margin-bottom:16px;
}
.adapt-card h3{color:#fff;margin-bottom:10px;font-size:20px}
.adapt-card p{color:rgba(246,244,239,.76);font-size:15px;margin:0}
.adapt-card .tip{margin-top:14px;font-size:13px;color:var(--amber-300)}

/* ---------- stat strip ---------- */
.stat-strip{background:var(--bg-sub);padding:72px 0}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat-card{
  background:#fff;border:1px solid var(--line-light);border-radius:var(--radius-md);
  padding:26px 22px;text-align:left;transition:transform var(--tr),box-shadow var(--tr);
}
.stat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-1)}
.stat-value{font-size:36px;font-weight:800;line-height:1;color:var(--ink-green-700);font-variant-numeric:tabular-nums;margin-bottom:10px}
.stat-value small{font-size:15px;font-weight:600;margin-left:4px;color:var(--text-sub)}
.stat-label{font-size:14px;color:var(--text-sub);line-height:1.6}

/* ---------- steps order ---------- */
.order-section{padding:var(--section-y) 0;background:var(--bg-ivory)}
.order-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:8px}
.order-item{position:relative;padding-top:26px}
.order-item::before{
  content:"";position:absolute;top:0;left:0;right:-22px;height:2px;
  background:repeating-linear-gradient(90deg,var(--line-light) 0 8px,transparent 8px 16px);
}
.order-item:last-child::before{right:0}
.order-index{
  display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:12px;
  background:var(--ink-green-700);color:#fff;font-size:14px;font-weight:800;font-variant-numeric:tabular-nums;margin-bottom:14px;
}
.order-item h3{font-size:18px;margin-bottom:10px}
.order-item p{font-size:14px;color:var(--text-sub);margin:0}

/* ---------- CTA ---------- */
.cta-section{background:linear-gradient(140deg,#0F5B45 0%,#0B2F26 100%);color:var(--text-inverse);padding:var(--section-y) 0;scroll-margin-top:100px}
.cta-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:start}
.cta-copy .eyebrow{color:var(--amber-300)}
.cta-copy h2{color:#fff;margin-bottom:16px}
.cta-copy p{color:rgba(246,244,239,.82);max-width:38em}
.form-card{
  background:rgba(255,255,255,.06);border:1px solid var(--line-dark);border-radius:var(--radius-lg);
  padding:30px;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.form-row{margin-bottom:18px}
.form-row label{display:block;font-size:14px;color:rgba(246,244,239,.84);margin-bottom:8px}
.req-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--red-soft);margin-left:6px;vertical-align:middle}
.input{
  width:100%;height:48px;border-radius:14px;padding:0 16px;font-size:15px;
  border:1px solid rgba(255,255,255,.22);background:rgba(11,47,38,.38);color:#fff;
  transition:border-color var(--tr),box-shadow var(--tr),background var(--tr);
}
textarea.input{height:auto;min-height:112px;padding:13px 16px;line-height:1.7;resize:vertical}
.input::placeholder{color:rgba(246,244,239,.45)}
.input:focus{outline:none;border-color:var(--amber-500);box-shadow:0 0 0 3px rgba(224,169,60,.22);background:rgba(11,47,38,.55)}
.form-ok{display:none;margin-top:14px;font-size:14px;color:var(--amber-300)}
.form-ok i{margin-right:6px}
.form-note{margin-top:14px;font-size:13px;color:rgba(246,244,239,.62)}
.qr-card{
  border:1px solid var(--line-dark);border-radius:var(--radius-lg);padding:28px;background:rgba(255,255,255,.05);
}
.qr-box{
  width:100%;aspect-ratio:1/1;max-width:210px;margin:0 auto 20px;border-radius:var(--radius-md);
  background:rgba(246,244,239,.94);display:grid;place-items:center;text-align:center;gap:6px;padding:18px;
  border:1px solid rgba(255,255,255,.2);
}
.qr-box i{font-size:34px;color:var(--ink-green-700)}
.qr-box span{display:block;font-size:12px;color:var(--text-sub);line-height:1.6}
.qr-points{display:grid;gap:12px;margin-top:6px}
.qr-points li{position:relative;padding-left:22px;font-size:14px;color:rgba(246,244,239,.82);line-height:1.7}
.qr-points li::before{
  content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;left:0;top:0;
  font-size:12px;color:var(--amber-300);
}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-green-900);color:rgba(246,244,239,.78);padding:72px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:40px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px;letter-spacing:.04em}
.footer-col p{font-size:14px;line-height:1.85;margin:16px 0 0;max-width:30em}
.footer-col ul li{margin-bottom:10px;font-size:14px}
.footer-col ul li a{color:rgba(246,244,239,.78)}
.footer-col ul li a:hover{color:var(--amber-300)}
.brand-footer .brand-text{color:#fff}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid var(--line-dark);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(246,244,239,.58);
}

/* ---------- responsive ---------- */
@media (max-width:1100px){
  h1{font-size:40px}
  .step-card{gap:32px;padding:26px}
  .adapt-grid{gap:20px}
  .order-grid{grid-template-columns:repeat(2,1fr);row-gap:34px}
  .order-item::before{right:-20px}
  .order-item:nth-child(2n)::before{right:0}
}
@media (max-width:1024px){
  :root{--section-y:72px}
  .nav-main{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .nav-actions .btn{display:none}
  .step-card,.step-card:nth-child(even){grid-template-columns:1fr;gap:24px}
  .step-card:nth-child(even) .step-body{order:0}
  .step-media img{aspect-ratio:16/9}
  .cta-grid{grid-template-columns:1fr;gap:34px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:34px}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
  .container{padding:0 22px}
  h1{font-size:33px}
  h2{font-size:25px}
  h3{font-size:19px}
  .page-banner{padding:132px 0 64px}
  .banner-sub{font-size:16px}
  .adapt-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
  .container{padding:0 20px}
  h1{font-size:28px}
  .page-banner{padding:122px 0 56px}
  .stat-grid{grid-template-columns:1fr}
  .order-grid{grid-template-columns:1fr}
  .order-item::before{display:none}
  .footer-grid{grid-template-columns:1fr}
  .step-card{padding:20px}
  .step-num{font-size:38px}
  .form-card,.qr-card{padding:22px}
  .footer-bottom{flex-direction:column}
  .btn{width:100%}
  .nav-actions .btn{width:auto}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important;animation-iteration-count:1 !important}
}