/* roulang page: index */
:root{
  --ink:#17201E;
  --ink-2:#5B6663;
  --green:#146B5F;
  --green-deep:#0E4F46;
  --amber:#C9722C;
  --amber-deep:#A95D1F;
  --bg:#F7F3EA;
  --bg-alt:#EFE9DC;
  --card:#FFFDF8;
  --line:#E2DCCE;
  --img:#E8E2D5;
  --ok:#2F7D4F;
  --warn:#B4452F;
  --r-card:18px;
  --r-btn:12px;
  --sh-1:0 1px 2px rgba(23,32,30,.05);
  --sh-2:0 10px 26px rgba(23,32,30,.10);
  --sh-3:0 12px 30px rgba(23,32,30,.16);
  --maxw:1180px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong",Georgia,serif;
  --font-sans:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;
  font-family:var(--font-sans);
  font-size:16.5px;line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:var(--font-serif);color:var(--ink);margin:0;font-weight:700;line-height:1.35;letter-spacing:0;}
p{margin:0 0 1em;}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease);}
img{max-width:100%;display:block;border-radius:12px;}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font-family:inherit;font-size:inherit;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid rgba(20,107,95,.55);outline-offset:3px;border-radius:6px;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section--alt{background:var(--bg-alt);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;flex-wrap:wrap;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:600;color:var(--green);letter-spacing:.02em;margin-bottom:14px;padding:5px 14px;border-radius:999px;background:rgba(20,107,95,.08);}
.eyebrow i{font-size:12px;}
.h2{font-size:clamp(1.5rem,2.6vw,2.1rem);}
.sec-sub{color:var(--ink-2);font-size:15.5px;max-width:640px;margin:12px 0 0;}
.link-more{color:var(--green);font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:8px;}
.link-more:hover{color:var(--amber-deep);}
.link-more i{transition:transform .22s var(--ease);}
.link-more:hover i{transform:translateX(4px);}

/* ---- 顶部导航 ---- */
.site-header{
  position:absolute;top:0;left:0;right:0;z-index:60;
  background:rgba(247,243,234,.72);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(20,60,52,.12);
  box-shadow:0 6px 18px rgba(23,32,30,.06);
  transition:background .28s var(--ease),box-shadow .28s var(--ease),height .28s var(--ease);
}
.site-header.is-stuck{
  position:fixed;background:#FBF8F2;
  box-shadow:0 8px 24px rgba(23,32,30,.12);
  border-bottom-color:var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;height:76px;transition:height .28s var(--ease);}
.site-header.is-stuck .nav{height:64px;}
.logo{display:inline-flex;align-items:center;gap:11px;font-family:var(--font-serif);font-weight:700;font-size:19px;color:var(--green-deep);white-space:nowrap;}
.logo__mark{
  width:38px;height:38px;border-radius:12px;flex:0 0 auto;
  background:linear-gradient(150deg,var(--green) 0%,var(--green-deep) 100%);
  color:#FBF8F2;display:grid;place-items:center;font-size:15px;font-family:var(--font-sans);font-weight:800;
  box-shadow:var(--sh-1);
}
.logo__text small{display:block;font-family:var(--font-sans);font-size:11.5px;font-weight:500;color:var(--ink-2);letter-spacing:.06em;line-height:1.2;}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-links a{
  position:relative;padding:9px 14px;border-radius:10px;font-size:15px;font-weight:500;color:var(--ink);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-links a:hover{color:var(--green);background:rgba(20,107,95,.07);}
.nav-links a.is-active{color:var(--green);font-weight:700;}
.nav-links a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--amber);
}
.nav-right{display:flex;align-items:center;gap:12px;}
.nav-search{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;color:var(--green-deep);background:rgba(20,107,95,.08);transition:background .2s var(--ease);}
.nav-search:hover{background:rgba(20,107,95,.16);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;line-height:1.2;
  transition:transform .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  border:1.5px solid transparent;white-space:nowrap;
}
.btn--amber{background:var(--amber);color:#FFFDF8;box-shadow:var(--sh-1);}
.btn--amber:hover{background:var(--amber-deep);transform:translateY(-1px);box-shadow:var(--sh-2);color:#FFFDF8;}
.btn--ghost{background:transparent;color:var(--green-deep);border-color:var(--green);}
.btn--ghost:hover{background:rgba(20,107,95,.08);transform:translateY(-1px);color:var(--green-deep);}
.btn--quiet{background:rgba(20,107,95,.08);color:var(--green-deep);}
.btn--quiet:hover{background:rgba(20,107,95,.15);}
.btn--sm{padding:9px 16px;font-size:14px;}
.burger{display:none;width:42px;height:42px;border-radius:12px;background:rgba(20,107,95,.08);color:var(--green-deep);place-items:center;font-size:17px;}

/* ---- Hero ---- */
.hero{
  position:relative;overflow:hidden;padding:150px 0 96px;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  color:#F7F3EA;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(14,79,70,.94) 0%,rgba(14,79,70,.86) 45%,rgba(20,107,95,.72) 100%);
}
.hero .wrap{position:relative;z-index:2;}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;padding:7px 16px;border-radius:999px;
  background:rgba(247,243,234,.14);border:1px solid rgba(247,243,234,.26);
  font-size:13.5px;color:#F2EEE3;margin-bottom:26px;
}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:#7FD1A8;box-shadow:0 0 0 4px rgba(127,209,168,.22);}
.hero h1{
  color:#FFFDF8;font-size:clamp(2.05rem,4.4vw,3.3rem);line-height:1.28;max-width:880px;margin:0 0 20px;
}
.hero-sub{color:rgba(247,243,234,.88);font-size:17px;max-width:660px;margin:0 0 34px;}
.search-bar{
  display:flex;gap:10px;align-items:center;flex-wrap:wrap;
  max-width:660px;padding:10px;border-radius:16px;
  background:rgba(247,243,234,.13);border:1px solid rgba(247,243,234,.28);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.search-bar__field{
  flex:1 1 240px;display:flex;align-items:center;gap:10px;padding:0 14px;background:rgba(255,253,248,.96);border-radius:11px;height:52px;
}
.search-bar__field i{color:var(--green);}
.search-bar__field input{
  border:0;outline:none;background:transparent;width:100%;color:var(--ink);font-size:15px;height:100%;
}
.search-bar__field input::placeholder{color:#96A09C;}
.search-note{font-size:13.5px;color:rgba(247,243,234,.78);margin:14px 0 0;}
.hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;max-width:720px;margin-top:44px;}
.hero-stat{padding:18px 20px;border-radius:16px;background:rgba(247,243,234,.10);border:1px solid rgba(247,243,234,.20);}
.hero-stat b{display:block;font-family:var(--font-serif);font-size:24px;color:#FFFDF8;line-height:1.2;}
.hero-stat span{font-size:13.5px;color:rgba(247,243,234,.82);}
.scroll-hint{display:inline-flex;align-items:center;gap:8px;margin-top:34px;font-size:13.5px;color:rgba(247,243,234,.75);}
.scroll-hint i{animation:bob 1.8s infinite var(--ease);}
@keyframes bob{0%,100%{transform:translateY(0);}50%{transform:translateY(5px);}}

/* ---- 卖点 Bento ---- */
.bento{display:grid;grid-template-columns:1.28fr 1fr;grid-template-rows:auto auto;gap:22px;}
.bento-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:32px;box-shadow:var(--sh-1);transition:box-shadow .26s var(--ease),transform .26s var(--ease),border-color .26s var(--ease);
}
.bento-card:hover{box-shadow:var(--sh-2);transform:translateY(-3px);border-color:#D6CEBB;}
.bento-card--big{grid-row:span 2;display:flex;flex-direction:column;justify-content:space-between;background:linear-gradient(160deg,#FFFDF8 0%,#F4F0E4 100%);}
.icon-pill{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  background:rgba(20,107,95,.10);color:var(--green);font-size:19px;margin-bottom:20px;
}
.bento-card--big .icon-pill{background:rgba(201,114,44,.14);color:var(--amber-deep);}
.bento-card h3{font-size:1.24rem;margin-bottom:10px;}
.bento-card p{color:var(--ink-2);font-size:15.5px;margin:0;}
.bento-list{margin-top:20px;display:grid;gap:10px;}
.bento-list li{display:flex;gap:10px;font-size:14.5px;color:var(--ink-2);align-items:flex-start;}
.bento-list li i{color:var(--green);font-size:12px;margin-top:7px;}
.bento-thumb{margin-top:24px;border-radius:14px;overflow:hidden;}
.bento-thumb img{width:100%;height:170px;object-fit:cover;border-radius:14px;transition:transform .35s var(--ease);}
.bento-card:hover .bento-thumb img{transform:scale(1.03);}

/* ---- 演示区 ---- */
.demo-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:56px;align-items:center;}
.steps{display:grid;gap:18px;margin-top:30px;counter-reset:step;}
.step{display:flex;gap:16px;align-items:flex-start;padding:18px 20px;background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:var(--sh-1);transition:box-shadow .24s var(--ease),transform .24s var(--ease);}
.step:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.step__num{
  flex:0 0 auto;width:34px;height:34px;border-radius:999px;display:grid;place-items:center;
  background:var(--green);color:#FFFDF8;font-weight:700;font-size:14.5px;
}
.step h3{font-size:16.5px;font-family:var(--font-sans);font-weight:700;margin-bottom:4px;}
.step p{font-size:14.5px;color:var(--ink-2);margin:0;}
.device{
  position:relative;background:var(--card);border:1px solid var(--line);border-radius:22px;
  padding:14px;box-shadow:var(--sh-2);
}
.device__bar{display:flex;align-items:center;gap:7px;padding:4px 6px 12px;}
.device__bar span{width:9px;height:9px;border-radius:50%;background:#D9D2C2;}
.device__bar span:nth-child(1){background:#D88A6A;}
.device__bar span:nth-child(2){background:#E0C079;}
.device__bar span:nth-child(3){background:#8FC2A9;}
.device__bar em{margin-left:auto;font-style:normal;font-size:12px;color:var(--ink-2);background:var(--bg-alt);padding:2px 10px;border-radius:999px;}
.device img{width:100%;border-radius:14px;object-fit:cover;aspect-ratio:16/10;}
.device__cap{font-size:13.5px;color:var(--ink-2);padding:12px 6px 2px;}

/* ---- 证据区 ---- */
.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin-bottom:44px;}
.metric{
  background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px 22px;box-shadow:var(--sh-1);
  transition:box-shadow .24s var(--ease),transform .24s var(--ease);
}
.metric:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.metric b{display:block;font-family:var(--font-serif);font-size:34px;color:var(--green-deep);line-height:1.15;}
.metric b small{font-size:15px;font-family:var(--font-sans);font-weight:600;color:var(--ink-2);margin-left:4px;}
.metric span{font-size:13.5px;color:var(--ink-2);display:block;margin-top:6px;}
.proof-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.quote{
  background:var(--card);border:1px solid var(--line);border-left:4px solid var(--green);
  border-radius:16px;padding:28px;box-shadow:var(--sh-1);
}
.quote p{font-size:16px;color:var(--ink);margin:0 0 16px;}
.quote__who{display:flex;align-items:center;gap:12px;font-size:13.5px;color:var(--ink-2);}
.quote__who i{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:rgba(20,107,95,.10);color:var(--green);font-size:14px;}
.tagwall{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px;}
.tag{
  display:inline-flex;align-items:center;gap:7px;padding:7px 15px;border-radius:999px;
  background:rgba(20,107,95,.08);color:var(--green-deep);font-size:13.5px;font-weight:500;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.tag:hover{background:rgba(20,107,95,.16);}
.tag--amber{background:rgba(201,114,44,.12);color:var(--amber-deep);}
.tag--amber:hover{background:rgba(201,114,44,.2);}

/* ---- 分类入口 ---- */
.cat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.cat-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:30px;box-shadow:var(--sh-1);
  transition:box-shadow .26s var(--ease),transform .26s var(--ease),border-color .26s var(--ease);
}
.cat-card:hover{box-shadow:var(--sh-2);transform:translateY(-3px);border-color:#D6CEBB;}
.cat-card h3{font-size:1.24rem;margin-bottom:10px;}
.cat-card p{font-size:14.5px;color:var(--ink-2);margin:0 0 20px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.cat-card .link-more{margin-top:auto;}

/* ---- 价格 ---- */
.plans{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;align-items:stretch;}
.plan{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:32px;box-shadow:var(--sh-1);position:relative;
  transition:box-shadow .26s var(--ease),transform .26s var(--ease);
}
.plan:hover{box-shadow:var(--sh-2);transform:translateY(-3px);}
.plan--hot{border:2px solid var(--green);box-shadow:var(--sh-2);}
.plan__flag{
  position:absolute;top:-13px;left:32px;padding:4px 14px;border-radius:999px;
  background:var(--green);color:#FFFDF8;font-size:12.5px;font-weight:600;
}
.plan h3{font-size:1.18rem;margin-bottom:6px;}
.plan__desc{font-size:14px;color:var(--ink-2);margin:0 0 18px;}
.plan__price{font-family:var(--font-serif);font-size:38px;color:var(--green-deep);line-height:1.1;}
.plan__price small{font-family:var(--font-sans);font-size:14px;font-weight:500;color:var(--ink-2);margin-left:6px;}
.plan__list{display:grid;gap:10px;margin:22px 0 26px;}
.plan__list li{display:flex;gap:10px;font-size:14.5px;color:var(--ink-2);align-items:flex-start;}
.plan__list li i{color:var(--ok);font-size:12px;margin-top:7px;}
.plan__actions{margin-top:auto;display:grid;gap:10px;}

/* ---- 资讯 ---- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.news-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:26px;box-shadow:var(--sh-1);
  transition:box-shadow .26s var(--ease),transform .26s var(--ease),border-color .26s var(--ease);
}
.news-card:hover{box-shadow:var(--sh-2);transform:translateY(-3px);border-color:#D6CEBB;}
.chip{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;
  background:rgba(20,107,95,.08);color:var(--green-deep);font-size:12.5px;font-weight:600;margin-bottom:14px;align-self:flex-start;
}
.news-card h3{font-size:17px;line-height:1.5;margin-bottom:10px;}
.news-card h3 a:hover{color:var(--green);}
.news-card p{
  font-size:14.5px;color:var(--ink-2);margin:0 0 18px;
  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-2);}
.news-meta .link-more{font-size:13.5px;}
.news-empty{
  grid-column:1/-1;border:1.5px dashed var(--line);border-radius:var(--r-card);
  background:rgba(255,253,248,.6);padding:56px 24px;text-align:center;
}
.news-empty i{font-size:26px;color:#B9B2A1;display:block;margin-bottom:14px;}
.news-empty p{color:var(--ink-2);font-size:15px;margin:0 0 18px;}

/* ---- FAQ ---- */
.faq-grid{display:grid;grid-template-columns:0.8fr 1.6fr;gap:56px;align-items:start;}
.faq-list{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:8px 28px;box-shadow:var(--sh-1);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 0;text-align:left;font-size:16.5px;font-weight:600;color:var(--ink);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--green);}
.faq-q i{flex:0 0 auto;color:var(--green);font-size:14px;transition:transform .28s var(--ease);}
.faq-item.is-open .faq-q{color:var(--green-deep);}
.faq-item.is-open .faq-q i{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s var(--ease);}
.faq-a p{font-size:15px;color:var(--ink-2);line-height:1.85;margin:0;padding:0 34px 24px 0;}
.faq-item.is-open .faq-a{max-height:420px;}

/* ---- 结尾 CTA ---- */
.cta-band{
  position:relative;overflow:hidden;border-radius:24px;padding:64px 56px;color:#F7F3EA;
  background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;
  box-shadow:var(--sh-2);
}
.cta-band::before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(14,79,70,.95),rgba(20,107,95,.80));}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{color:#FFFDF8;font-size:clamp(1.5rem,2.6vw,2.05rem);margin-bottom:14px;}
.cta-band p{color:rgba(247,243,234,.88);max-width:640px;margin-bottom:28px;font-size:16px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.btn--light{background:#F7F3EA;color:var(--green-deep);}
.btn--light:hover{background:#FFFDF8;transform:translateY(-1px);box-shadow:var(--sh-2);color:var(--green-deep);}
.btn--outline-light{background:transparent;border-color:rgba(247,243,234,.55);color:#F7F3EA;}
.btn--outline-light:hover{background:rgba(247,243,234,.14);color:#FFFDF8;}

/* ---- 页脚 ---- */
.site-footer{background:var(--green-deep);color:rgba(247,243,234,.82);padding:72px 0 0;margin-top:96px;}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.foot-brand .logo{color:#FFFDF8;margin-bottom:18px;}
.foot-brand .logo__text small{color:rgba(247,243,234,.62);}
.foot-brand p{font-size:14.5px;color:rgba(247,243,234,.75);margin:0 0 18px;max-width:300px;}
.foot-contact{display:grid;gap:8px;font-size:14px;color:rgba(247,243,234,.72);}
.foot-contact span{display:flex;align-items:center;gap:10px;}
.foot-contact i{color:#8FC2A9;font-size:13px;}
.foot-col h4{color:#FFFDF8;font-size:15px;font-family:var(--font-sans);font-weight:700;margin-bottom:18px;}
.foot-col ul{display:grid;gap:11px;}
.foot-col a{font-size:14.5px;color:rgba(247,243,234,.78);}
.foot-col a:hover{color:#FFFDF8;}
.foot-sub p{font-size:14px;color:rgba(247,243,234,.72);margin:0 0 14px;}
.foot-form{display:flex;gap:8px;flex-wrap:wrap;}
.foot-form input{
  flex:1 1 150px;height:44px;border-radius:10px;border:1px solid rgba(247,243,234,.24);
  background:rgba(247,243,234,.08);color:#FFFDF8;padding:0 14px;outline:none;font-size:14px;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.foot-form input::placeholder{color:rgba(247,243,234,.5);}
.foot-form input:focus{border-color:#8FC2A9;background:rgba(247,243,234,.14);}
.foot-form button{
  height:44px;padding:0 18px;border-radius:10px;background:var(--amber);color:#FFFDF8;font-weight:600;font-size:14px;
  transition:background .2s var(--ease);
}
.foot-form button:hover{background:var(--amber-deep);}
.foot-bottom{
  margin-top:56px;padding:22px 0;border-top:1px solid rgba(247,243,234,.16);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(247,243,234,.6);
}

/* ---- 浮动 CTA ---- */
.float-cta{
  position:fixed;right:26px;bottom:26px;z-index:80;display:flex;align-items:center;gap:12px;
  padding:13px 18px;border-radius:999px;background:var(--amber);color:#FFFDF8;
  box-shadow:var(--sh-3);font-size:14.5px;font-weight:600;
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity .28s var(--ease),transform .28s var(--ease),visibility .28s,background .2s var(--ease);
}
.float-cta.is-on{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta:hover{background:var(--amber-deep);color:#FFFDF8;}
.float-cta__close{
  width:22px;height:22px;border-radius:50%;display:grid;place-items:center;
  background:rgba(255,253,248,.22);font-size:11px;color:#FFFDF8;
}
.float-cta__close:hover{background:rgba(255,253,248,.38);}

/* ---- 抽屉 ---- */
.drawer{
  position:fixed;inset:0;z-index:90;background:var(--bg);
  display:flex;flex-direction:column;padding:26px 24px 32px;
  opacity:0;visibility:hidden;transform:translateY(-10px);
  transition:opacity .26s var(--ease),transform .26s var(--ease),visibility .26s;
}
body.drawer-open{overflow:hidden;}
body.drawer-open .drawer{opacity:1;visibility:visible;transform:translateY(0);}
.drawer__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:34px;}
.drawer__close{width:44px;height:44px;border-radius:12px;background:rgba(20,107,95,.08);color:var(--green-deep);display:grid;place-items:center;font-size:17px;}
.drawer nav{display:grid;gap:6px;}
.drawer nav a{
  padding:16px 8px;font-family:var(--font-serif);font-size:21px;font-weight:700;color:var(--ink);
  border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;
}
.drawer nav a.is-active{color:var(--green);}
.drawer nav a i{font-size:14px;color:var(--green);}
.drawer .btn{margin-top:auto;width:100%;height:52px;}

@media (max-width:1024px){
  .section{padding:72px 0;}
  .nav-links{display:none;}
  .nav-search{display:none;}
  .burger{display:grid;}
  .nav-cta{display:none;}
  .hero{padding:130px 0 76px;}
  .bento{grid-template-columns:1fr;}
  .bento-card--big{grid-row:auto;}
  .demo-grid{grid-template-columns:1fr;gap:36px;}
  .metrics{grid-template-columns:repeat(2,minmax(0,1fr));}
  .proof-grid{grid-template-columns:1fr;}
  .cat-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .plans{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .faq-grid{grid-template-columns:1fr;gap:28px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .cta-band{padding:48px 34px;}
}
@media (max-width:640px){
  .wrap{padding:0 20px;}
  body{padding-bottom:80px;}
  .section{padding:56px 0;}
  .logo{font-size:16.5px;}
  .logo__mark{width:34px;height:34px;font-size:13px;}
  .logo__text small{font-size:10.5px;}
  .hero{padding:118px 0 64px;}
  .hero-sub{font-size:15.5px;}
  .hero-stats{grid-template-columns:1fr;gap:12px;margin-top:32px;}
  .hero-stat{display:flex;align-items:baseline;gap:12px;padding:14px 18px;}
  .hero-stat b{font-size:21px;}
  .search-bar{padding:8px;}
  .search-bar__field{height:48px;}
  .search-bar .btn{width:100%;}
  .metrics{grid-template-columns:1fr;}
  .cat-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr;}
  .cta-band{padding:36px 24px;border-radius:18px;}
  .cta-actions .btn{width:100%;}
  .faq-list{padding:4px 20px;}
  .faq-q{font-size:15.5px;padding:18px 0;}
  .faq-a p{padding-right:0;}
  .float-cta{
    left:0;right:0;bottom:0;border-radius:0;justify-content:center;
    padding:16px 18px;transform:translateY(100%);height:56px;
  }
  .float-cta.is-on{transform:translateY(0);}
  .float-cta__close{position:absolute;right:14px;top:50%;transform:translateY(-50%);}
  .site-footer{padding-top:52px;margin-top:56px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --green:#146B5F;
  --green-deep:#0E4F46;
  --green-soft:rgba(20,107,95,.08);
  --amber:#C9722C;
  --amber-deep:#A95D1F;
  --sand:#F7F3EA;
  --sand-2:#EFE9DC;
  --card:#FFFDF8;
  --ink:#17201E;
  --muted:#5B6663;
  --line:#E2DCCE;
  --ok:#2F7D4F;
  --warn:#B4452F;
  --r-card:18px;
  --r-btn:12px;
  --sh-1:0 1px 2px rgba(23,32,30,.05);
  --sh-2:0 10px 26px rgba(23,32,30,.10);
  --sh-3:0 12px 30px rgba(23,32,30,.16);
  --ease:cubic-bezier(.2,.7,.3,1);
  --serif:"Noto Serif SC","Songti SC","SimSun",serif;
  --sans:"Noto Sans SC","PingFang SC","HarmonyOS Sans","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--green);text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--amber-deep)}
button,input{font-family:inherit;font-size:inherit}
button{cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-family:var(--serif);font-weight:700;line-height:1.32;color:var(--ink)}
p{margin:0}
::selection{background:rgba(201,114,44,.22)}

.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:200;
  background:rgba(247,243,234,.78);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(20,60,52,.12);
  box-shadow:0 6px 18px rgba(23,32,30,.06);
  transition:background .28s var(--ease),box-shadow .28s var(--ease);
}
.site-header.is-scrolled{background:#FBF8F2;box-shadow:0 10px 26px rgba(23,32,30,.12)}
.nav{display:flex;align-items:center;gap:26px;height:76px;transition:height .28s var(--ease)}
.site-header.is-scrolled .nav{height:64px}
.logo{display:flex;align-items:center;gap:11px;color:var(--ink);flex:0 0 auto}
.logo:hover{color:var(--ink)}
.logo__mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:13px;
  background:linear-gradient(150deg,var(--green) 0%,var(--green-deep) 100%);
  color:#FBF8F2;font-family:var(--serif);font-size:1rem;letter-spacing:.4px;
  box-shadow:var(--sh-1);
}
.logo__text{display:flex;flex-direction:column;font-family:var(--serif);font-size:1.03rem;font-weight:700;line-height:1.25;letter-spacing:.2px}
.logo__text small{font-family:var(--sans);font-size:11.5px;font-weight:400;color:var(--muted);letter-spacing:.6px}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-links a{
  position:relative;display:inline-block;padding:9px 14px;border-radius:999px;
  font-size:14.5px;color:var(--ink);white-space:nowrap;
  transition:color .22s var(--ease),background .22s var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--amber);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .26s var(--ease);
}
.nav-links a:hover{color:var(--green);background:rgba(20,107,95,.06)}
.nav-links a:hover::after,.nav-links a.is-active::after{transform:scaleX(1)}
.nav-links a.is-active{color:var(--green)}
.nav-right{display:flex;align-items:center;gap:10px;position:relative;z-index:2}
.nav-search{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:50%;color:var(--green);
  border:1px solid var(--line);background:rgba(255,253,248,.7);
  transition:background .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
}
.nav-search:hover{background:var(--green-soft);border-color:rgba(20,107,95,.35);color:var(--green-deep)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:var(--r-btn);border:1.5px solid transparent;
  font-size:15px;font-weight:500;line-height:1;letter-spacing:.2px;
  transition:transform .2s var(--ease),background .22s var(--ease),box-shadow .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.btn:focus-visible{outline:2px solid rgba(20,107,95,.45);outline-offset:3px}
.btn--amber{background:var(--amber);color:#FFFDF8;box-shadow:0 6px 16px rgba(201,114,44,.24)}
.btn--amber:hover{background:var(--amber-deep);color:#FFFDF8;transform:translateY(-1px);box-shadow:0 10px 24px rgba(169,93,31,.3)}
.btn--ghost{background:transparent;color:var(--green-deep);border-color:var(--green)}
.btn--ghost:hover{background:var(--green-soft);color:var(--green-deep);transform:translateY(-1px)}
.btn--sm{padding:10px 18px;font-size:14px}
.burger{
  display:none;align-items:center;justify-content:center;width:40px;height:40px;
  border-radius:11px;border:1px solid var(--line);background:rgba(255,253,248,.8);color:var(--green-deep);
}

/* ---------- banner ---------- */
.page-banner{position:relative;overflow:hidden;background:var(--green-deep);padding:150px 0 60px}
.page-banner .banner-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.55;transform:scale(1.02);
}
.page-banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(14,79,70,.94) 0%,rgba(14,79,70,.78) 55%,rgba(20,107,95,.62) 100%);
}
.page-banner .wrap{position:relative;z-index:2}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(251,248,242,.72);margin-bottom:18px}
.crumbs a{color:rgba(251,248,242,.86)}
.crumbs a:hover{color:#fff;text-decoration:underline}
.crumbs .sep{color:rgba(251,248,242,.45)}
.crumbs .now{color:#F3E7D0}
.page-banner h1{
  color:#FBF8F2;font-size:clamp(1.72rem,3.4vw,2.62rem);
  max-width:900px;letter-spacing:.4px;
}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;margin-top:20px;font-size:13.5px;color:rgba(251,248,242,.82)}
.post-meta .chip{
  display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:999px;
  background:rgba(201,114,44,.2);color:#F6D7BC;border:1px solid rgba(201,114,44,.45);font-size:12.5px;
}
.post-meta span i{opacity:.8;margin-right:5px}

/* ---------- sections ---------- */
.section{padding:72px 0}
.section--tight{padding:52px 0}
.section-head{max-width:720px;margin-bottom:36px}
.section-head h2{font-size:clamp(1.5rem,2.6vw,2.05rem)}
.section-head p{margin-top:12px;color:var(--muted);font-size:15.5px}

/* ---------- article layout ---------- */
.article-section{padding:64px 0 12px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:52px;align-items:start}
.article-main{min-width:0}
.article-panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:40px 44px;box-shadow:var(--sh-1);
}
.article-body{max-width:760px;font-size:16.5px;line-height:1.9;color:#242E2B}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.1em}
.article-body h2{
  font-size:clamp(1.32rem,2.2vw,1.6rem);margin:1.9em 0 .8em;
  padding-left:14px;border-left:4px solid var(--green);
}
.article-body h3{font-size:1.18rem;margin:1.6em 0 .6em;color:var(--green-deep)}
.article-body h4{font-size:1.04rem;margin:1.4em 0 .5em}
.article-body ul,.article-body ol{margin:0 0 1.15em;padding-left:1.45em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:.5em;line-height:1.85}
.article-body li::marker{color:var(--green)}
.article-body blockquote{
  margin:1.4em 0;padding:16px 22px;border-left:3px solid var(--green);
  background:var(--green-soft);border-radius:0 12px 12px 0;color:var(--muted);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:12px;margin:1.4em 0;box-shadow:var(--sh-1)}
.article-body figure{margin:1.4em 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}
.article-body a{color:var(--green);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--amber-deep)}
.article-body table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:14.5px}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left;vertical-align:top}
.article-body th{background:var(--sand-2);font-weight:700;color:var(--green-deep)}
.article-body tr:nth-child(even) td{background:rgba(239,233,220,.42)}
.article-body code{background:var(--sand-2);padding:2px 6px;border-radius:6px;font-size:.9em}
.article-body pre{background:var(--sand-2);border:1px solid var(--line);border-radius:12px;padding:18px;overflow:auto;margin:1.4em 0}
.article-body pre code{background:none;padding:0}
.article-body hr{border:none;border-top:1px solid var(--line);margin:2em 0}

.article-foot{
  margin-top:34px;padding-top:26px;border-top:1px dashed var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
}
.article-foot .tags{display:flex;flex-wrap:wrap;gap:9px}
.tag{
  display:inline-flex;align-items:center;padding:5px 13px;border-radius:999px;
  background:var(--green-soft);color:var(--green-deep);font-size:12.5px;letter-spacing:.2px;
}
.tag--amber{background:rgba(201,114,44,.12);color:var(--amber-deep)}
.notice{
  margin-top:28px;border:1px dashed rgba(20,107,95,.35);background:rgba(20,107,95,.05);
  border-radius:14px;padding:18px 22px;display:flex;gap:14px;align-items:flex-start;
}
.notice i{color:var(--green);margin-top:4px}
.notice p{font-size:14.5px;color:var(--muted);line-height:1.8}

.empty-state{
  border:1px dashed var(--line);background:var(--card);border-radius:var(--r-card);
  padding:64px 28px;text-align:center;box-shadow:var(--sh-1);
}
.empty-state i{font-size:2.2rem;color:var(--green);opacity:.5}
.empty-state h2{margin:18px 0 10px;font-size:1.32rem}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:24px}

/* ---------- sidebar ---------- */
.article-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);
}
.side-card h3{font-size:1.02rem;margin-bottom:14px;color:var(--green-deep)}
.side-card p{font-size:14px;color:var(--muted);line-height:1.8}
.side-list{display:flex;flex-direction:column;gap:2px}
.side-list a{
  display:flex;align-items:center;gap:10px;padding:10px 10px;border-radius:10px;
  font-size:14.5px;color:var(--ink);transition:background .2s var(--ease),color .2s var(--ease);
}
.side-list a i{font-size:12px;color:var(--amber)}
.side-list a:hover{background:var(--green-soft);color:var(--green-deep)}
.side-steps{counter-reset:step;display:flex;flex-direction:column;gap:14px}
.side-steps li{position:relative;padding-left:34px;font-size:14px;color:var(--muted);line-height:1.75}
.side-steps li::before{
  counter-increment:step;content:counter(step);
  position:absolute;left:0;top:1px;width:23px;height:23px;border-radius:50%;
  background:var(--green);color:#FBF8F2;font-size:12px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}

/* ---------- related ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(20,107,95,.28)}
.card__media{aspect-ratio:16/10;overflow:hidden;background:var(--sand-2)}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.card:hover .card__media img{transform:scale(1.03)}
.card__body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.card__body h3{font-size:1.08rem;line-height:1.5}
.card__body p{font-size:14px;color:var(--muted);line-height:1.78}
.card__meta{display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--muted);margin-top:auto;padding-top:6px}

/* ---------- cta band ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--green-deep);border-radius:24px;padding:52px 48px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(201,114,44,.28),transparent 68%);
}
.cta-band h2{color:#FBF8F2;font-size:clamp(1.4rem,2.5vw,1.92rem);position:relative;z-index:2;max-width:640px}
.cta-band p{position:relative;z-index:2;color:rgba(251,248,242,.78);font-size:14.5px;margin-top:10px;max-width:600px}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:12px}
.btn--light{background:#FBF8F2;color:var(--green-deep);border-color:#FBF8F2}
.btn--light:hover{background:#fff;color:var(--green-deep);transform:translateY(-1px);box-shadow:var(--sh-3)}
.btn--outline-light{background:transparent;color:#FBF8F2;border-color:rgba(251,248,242,.55)}
.btn--outline-light:hover{background:rgba(251,248,242,.12);color:#fff;border-color:#FBF8F2}

/* ---------- footer ---------- */
.site-footer{background:var(--green-deep);color:rgba(251,248,242,.86);margin-top:76px;padding:64px 0 0}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:44px}
.site-footer .logo__text{color:#FBF8F2}
.site-footer .logo__text small{color:rgba(251,248,242,.6)}
.site-footer .logo__mark{background:rgba(251,248,242,.14);color:#FBF8F2;box-shadow:none}
.foot-brand p{font-size:14px;line-height:1.85;color:rgba(251,248,242,.72);margin-top:16px;max-width:320px}
.foot-contact{display:flex;flex-direction:column;gap:8px;margin-top:18px;font-size:13.5px;color:rgba(251,248,242,.7)}
.foot-contact i{color:var(--amber);margin-right:7px}
.foot-col h4{font-size:.98rem;color:#FBF8F2;margin-bottom:16px;font-family:var(--serif)}
.foot-col ul{display:flex;flex-direction:column;gap:10px}
.foot-col ul a{font-size:14px;color:rgba(251,248,242,.74)}
.foot-col ul a:hover{color:#F6D7BC}
.foot-sub p{font-size:13.5px;color:rgba(251,248,242,.7);line-height:1.8;margin-bottom:14px}
.foot-form{display:flex;gap:8px;flex-wrap:wrap}
.foot-form input{
  flex:1 1 150px;min-width:0;padding:11px 14px;border-radius:11px;
  border:1px solid rgba(251,248,242,.24);background:rgba(251,248,242,.08);color:#FBF8F2;font-size:14px;
  transition:border-color .22s var(--ease),background .22s var(--ease);
}
.foot-form input::placeholder{color:rgba(251,248,242,.5)}
.foot-form input:focus{outline:none;border-color:var(--amber);background:rgba(251,248,242,.14)}
.foot-form button{
  padding:11px 18px;border-radius:11px;border:none;background:var(--amber);color:#FFFDF8;font-size:14px;
  transition:background .22s var(--ease),transform .2s var(--ease);
}
.foot-form button:hover{background:var(--amber-deep);transform:translateY(-1px)}
.foot-bottom{
  border-top:1px solid rgba(251,248,242,.16);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:rgba(251,248,242,.6);
}

/* ---------- responsive ---------- */
@media screen and (max-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:34px}
  .article-side{position:static;flex-direction:row;flex-wrap:wrap}
  .article-side .side-card{flex:1 1 260px}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .foot-grid{grid-template-columns:1fr 1fr;gap:34px}
  .article-panel{padding:32px 30px}
}
@media screen and (max-width:1024px) and (min-width:641px){
  .page-banner{padding-top:132px}
}
@media screen and (max-width:900px){
  .nav-links a{padding:9px 10px;font-size:14px}
}
@media screen and (max-width:820px){
  .nav-links{
    position:fixed;left:0;right:0;top:0;bottom:0;z-index:150;
    display:none;flex-direction:column;align-items:stretch;gap:6px;
    padding:104px 24px 120px;margin:0;
    background:#F7F3EA;overflow-y:auto;
  }
  .nav-links.is-open{display:flex}
  .nav-links a{font-size:1.06rem;padding:15px 16px;border-radius:14px;border-bottom:1px solid var(--line)}
  .nav-links a::after{display:none}
  .nav-links a.is-active{background:var(--green-soft);color:var(--green-deep)}
  .burger{display:inline-flex}
  .nav-cta{display:none}
  .nav{gap:14px}
}
@media screen and (max-width:640px){
  body{font-size:16px}
  .wrap{padding:0 20px}
  .page-banner{padding:120px 0 44px}
  .section{padding:56px 0}
  .article-section{padding:44px 0 10px}
  .article-panel{padding:26px 20px;border-radius:16px}
  .article-body{font-size:16px}
  .article-body h2{padding-left:11px;border-left-width:3px}
  .article-body th,.article-body td{padding:9px 10px;font-size:13.5px}
  .rel-grid{grid-template-columns:minmax(0,1fr)}
  .cta-band{padding:36px 24px;border-radius:18px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%}
  .foot-grid{grid-template-columns:1fr;gap:30px}
  .foot-bottom{flex-direction:column;align-items:flex-start}
  .logo__text{font-size:.96rem}
  .logo__text small{font-size:10.5px}
  .article-foot{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
}

/* roulang page: category1 */
:root{
  --green:#146B5F;
  --green-deep:#0E4F46;
  --green-soft:rgba(20,107,95,.08);
  --green-line:rgba(20,60,52,.12);
  --amber:#C9722C;
  --amber-deep:#A95D1F;
  --sand:#F7F3EA;
  --sand-2:#EFE9DC;
  --card:#FFFDF8;
  --ink:#17201E;
  --gray:#5B6663;
  --line:#E2DCCE;
  --ph:#E8E2D5;
  --ok:#2F7D4F;
  --warn:#B4452F;
  --r-card:18px;
  --r-btn:12px;
  --sh-1:0 1px 2px rgba(23,32,30,.05);
  --sh-2:0 10px 26px rgba(23,32,30,.10);
  --sh-3:0 12px 30px rgba(23,32,30,.16);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--sand);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--green);text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--green-deep);}
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid rgba(20,107,95,.4);
  outline-offset:3px;
  border-radius:6px;
}
h1,h2,h3,h4{
  font-family:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  color:var(--ink);
  margin:0 0 .6em;
  line-height:1.34;
  font-weight:700;
  letter-spacing:0;
}
h1{font-size:clamp(2.05rem,4.4vw,3.3rem);}
h2{font-size:clamp(1.5rem,2.6vw,2.1rem);}
h3{font-size:1.24rem;font-family:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;}
p{margin:0 0 1.1em;}
ul,ol{margin:0 0 1.1em;padding-left:1.25em;}
li{margin-bottom:.5em;}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 28px;}
main{display:block;}
section{scroll-margin-top:96px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13.5px;letter-spacing:.02em;color:var(--green);
  background:var(--green-soft);border-radius:999px;padding:5px 14px;margin-bottom:18px;
  font-weight:600;
}
.eyebrow i{font-size:12px;color:var(--amber);}
.lead{color:var(--gray);font-size:16.5px;}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(247,243,234,.72);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--green-line);
  box-shadow:0 1px 2px rgba(23,32,30,.05);
  transition:background .28s var(--ease),box-shadow .28s var(--ease);
}
.site-header.is-stuck{
  background:#FBF8F2;
  box-shadow:0 8px 24px rgba(23,32,30,.10);
}
.nav{height:76px;display:flex;align-items:center;gap:26px;transition:height .28s var(--ease);}
.site-header.is-stuck .nav{height:64px;}
.logo{display:flex;align-items:center;gap:11px;flex:0 0 auto;color:var(--ink);}
.logo:hover{color:var(--ink);}
.logo__mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:13px;
  background:linear-gradient(155deg,var(--green),var(--green-deep));
  color:#FFFDF8;font-weight:700;font-size:15px;letter-spacing:.02em;
  font-family:"PingFang SC","Microsoft YaHei",sans-serif;
  box-shadow:0 6px 14px rgba(14,79,70,.22);
}
.logo__text{
  display:flex;flex-direction:column;font-size:16px;font-weight:700;line-height:1.25;
  font-family:"Noto Serif SC","Songti SC",serif;color:var(--ink);
}
.logo__text small{
  font-size:11.5px;font-weight:500;color:var(--gray);letter-spacing:.02em;
  font-family:"PingFang SC","Microsoft YaHei",sans-serif;margin-top:2px;
}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-links a{
  position:relative;display:inline-block;padding:9px 13px;border-radius:10px;
  font-size:15px;color:var(--ink);font-weight:500;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-links a:hover{color:var(--green);background:rgba(20,107,95,.07);}
.nav-links a.is-active{color:var(--green);font-weight:700;}
.nav-links a.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;
  background:var(--amber);border-radius:2px;
}
.nav-right{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-search{
  width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:11px;border:1px solid var(--line);color:var(--ink);background:rgba(255,253,248,.7);
  transition:all .22s var(--ease);
}
.nav-search:hover{border-color:var(--green);color:var(--green);background:#FFFDF8;}
.burger{
  display:none;width:40px;height:40px;border-radius:11px;border:1px solid var(--line);
  background:rgba(255,253,248,.8);color:var(--ink);cursor:pointer;font-size:16px;
  align-items:center;justify-content:center;transition:all .22s var(--ease);
}
.burger:hover{border-color:var(--green);color:var(--green);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:var(--r-btn);border:1.5px solid transparent;
  font-size:15.5px;font-weight:600;cursor:pointer;line-height:1.2;
  font-family:inherit;transition:all .22s var(--ease);text-align:center;
}
.btn i{font-size:13px;}
.btn--amber{background:var(--amber);color:#FFFDF8;box-shadow:0 6px 16px rgba(201,114,44,.24);}
.btn--amber:hover{background:var(--amber-deep);color:#FFFDF8;transform:translateY(-1px);box-shadow:0 12px 26px rgba(169,93,31,.30);}
.btn--amber:active{transform:translateY(0);box-shadow:0 4px 10px rgba(169,93,31,.26);}
.btn--ghost{background:transparent;border-color:var(--green);color:var(--green);}
.btn--ghost:hover{background:var(--green-soft);color:var(--green-deep);transform:translateY(-1px);}
.btn--ghost:active{transform:translateY(0);}
.btn--sm{padding:9px 17px;font-size:14px;border-radius:10px;}
.btn--light{background:#FFFDF8;color:var(--green-deep);border-color:#FFFDF8;}
.btn--light:hover{background:var(--sand-2);color:var(--green-deep);transform:translateY(-1px);}
.btn--outline-light{background:transparent;border-color:rgba(255,253,248,.55);color:#FFFDF8;}
.btn--outline-light:hover{background:rgba(255,253,248,.14);color:#FFFDF8;}

/* ---------- page banner ---------- */
.page-banner{
  position:relative;overflow:hidden;
  padding:146px 0 72px;
  background:linear-gradient(180deg,#EFE9DC 0%,var(--sand) 100%);
}
.page-banner__bg{
  position:absolute;inset:0;background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;opacity:.20;
}
.page-banner__bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(14,79,70,.30),rgba(247,243,234,.86) 62%);
}
.page-banner .wrap{position:relative;z-index:2;}
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--gray);margin-bottom:20px;
}
.crumbs a{color:var(--gray);}
.crumbs a:hover{color:var(--green);}
.crumbs .sep{color:#B7B0A0;}
.crumbs .now{color:var(--ink);font-weight:600;}
.page-banner h1{max-width:20em;margin-bottom:16px;}
.page-banner .lead{max-width:44em;font-size:17px;}
.stat-strip{
  display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;
}
.stat-pill{
  display:flex;flex-direction:column;gap:2px;
  background:var(--card);border:1px solid var(--line);border-radius:14px;
  padding:14px 22px;box-shadow:var(--sh-1);min-width:158px;
}
.stat-pill b{
  font-family:"Noto Serif SC","Songti SC",serif;font-size:22px;color:var(--green-deep);line-height:1.2;
}
.stat-pill span{font-size:13px;color:var(--gray);}

/* ---------- section base ---------- */
.section{padding:var(--sec) 0;}
.section--alt{background:var(--sand-2);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{margin-bottom:12px;}
.section-head p{color:var(--gray);margin-bottom:0;}

/* ---------- channel cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px;}
.chan-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 26px 24px;box-shadow:var(--sh-1);
  display:flex;flex-direction:column;
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.chan-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(20,107,95,.32);}
.chan-card__icon{
  width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:var(--green-soft);color:var(--green);font-size:19px;margin-bottom:18px;
}
.chan-card h3{margin-bottom:8px;}
.chan-card p{color:var(--gray);font-size:15px;margin-bottom:18px;}
.link-arrow{
  margin-top:auto;display:inline-flex;align-items:center;gap:8px;
  font-size:14.5px;font-weight:600;color:var(--green);
}
.link-arrow i{transition:transform .24s var(--ease);font-size:12px;}
.link-arrow:hover i{transform:translateX(4px);}

/* ---------- list table ---------- */
.list-table{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
}
.lt-head,.lt-row{
  display:grid;grid-template-columns:.7fr 1.25fr 1.6fr 2fr .9fr;
  gap:16px;align-items:center;padding:16px 26px;
}
.lt-head{
  background:var(--sand-2);font-size:13px;color:var(--green-deep);
  font-weight:700;letter-spacing:.03em;border-bottom:1px solid var(--line);
}
.lt-row{border-bottom:1px solid var(--line);font-size:15px;color:var(--gray);transition:background .22s var(--ease);}
.lt-row:last-child{border-bottom:0;}
.lt-row:hover{background:rgba(20,107,95,.05);}
.lt-row .no{
  display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;border-radius:9px;background:var(--green-soft);
  color:var(--green);font-weight:700;font-size:13px;
}
.lt-row .name{color:var(--ink);font-weight:700;font-size:15.5px;font-family:"Noto Serif SC","Songti SC",serif;}
.lt-row .time{font-size:13.5px;color:var(--gray);white-space:nowrap;}
.tag{
  display:inline-flex;align-items:center;padding:3px 11px;border-radius:999px;
  background:var(--green-soft);color:var(--green);font-size:12.5px;font-weight:600;
}
.tag--amber{background:rgba(201,114,44,.10);color:var(--amber-deep);}

/* ---------- split block ---------- */
.split{display:grid;grid-template-columns:1.02fr 1fr;gap:56px;align-items:center;}
.split__media{
  border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--sh-2);background:var(--ph);
}
.split__media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11;transition:transform .35s var(--ease);}
.split__media:hover img{transform:scale(1.03);}
.split__body h2{margin-bottom:14px;}
.step-list{list-style:none;padding:0;margin:26px 0 0;}
.step-list li{display:flex;gap:16px;margin-bottom:20px;}
.step-list li:last-child{margin-bottom:0;}
.step-num{
  flex:0 0 auto;width:34px;height:34px;border-radius:999px;
  background:var(--green);color:#FFFDF8;display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;
}
.step-list strong{display:block;color:var(--ink);font-size:16px;margin-bottom:3px;}
.step-list span{color:var(--gray);font-size:15px;}

/* ---------- faq ---------- */
.faq-wrap{display:grid;grid-template-columns:.78fr 1.6fr;gap:56px;align-items:start;}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;background:none;border:0;text-align:left;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;font-size:16.5px;font-weight:600;color:var(--ink);
  font-family:"Noto Serif SC","Songti SC",serif;line-height:1.55;
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--green);}
.faq-q .ic{
  flex:0 0 auto;width:30px;height:30px;border-radius:999px;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--green);
  font-size:12px;transition:all .26s var(--ease);
}
.faq-item.is-open .faq-q{color:var(--green-deep);}
.faq-item.is-open .faq-q .ic{background:var(--green);border-color:var(--green);color:#FFFDF8;transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s var(--ease);}
.faq-a__inner{padding:0 4px 22px;color:var(--gray);font-size:15.5px;line-height:1.85;}

/* ---------- related ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px;}
.rel-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(20,107,95,.32);}
.rel-card__img{aspect-ratio:16/10;overflow:hidden;background:var(--ph);}
.rel-card__img img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
.rel-card:hover .rel-card__img img{transform:scale(1.03);}
.rel-card__body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
.rel-card__body h3{margin-bottom:8px;font-size:1.12rem;}
.rel-card__body p{color:var(--gray);font-size:14.5px;margin-bottom:16px;}
.rel-card--current{border-color:var(--green);}
.rel-card--current .rel-card__body .tag{margin-bottom:12px;}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:24px;
  background:linear-gradient(120deg,var(--green-deep),#12695D 70%,#0B443C);
  color:#F4EFE4;padding:56px 56px;box-shadow:var(--sh-3);
  display:grid;grid-template-columns:1.5fr auto;gap:36px;align-items:center;
}
.cta-band::after{
  content:"";position:absolute;right:-70px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(201,114,44,.34),rgba(201,114,44,0) 70%);
}
.cta-band h2{color:#FFFDF8;margin-bottom:10px;}
.cta-band p{color:rgba(255,253,248,.82);margin-bottom:0;max-width:36em;}
.cta-band__actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2;}

/* ---------- footer ---------- */
.site-footer{background:var(--green-deep);color:#EFE9DC;padding:72px 0 0;margin-top:var(--sec);}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:44px;padding-bottom:48px;}
.site-footer .logo{color:#FFFDF8;margin-bottom:18px;}
.site-footer .logo__text{color:#FFFDF8;}
.site-footer .logo__text small{color:rgba(255,253,248,.62);}
.site-footer .logo__mark{background:rgba(255,253,248,.14);box-shadow:none;}
.foot-brand p{color:rgba(239,233,220,.78);font-size:14.5px;max-width:30em;}
.foot-contact{display:flex;flex-direction:column;gap:9px;font-size:13.5px;color:rgba(239,233,220,.72);margin-top:16px;}
.foot-contact i{color:var(--amber);margin-right:8px;}
.foot-col h4{color:#FFFDF8;font-size:15px;margin-bottom:16px;font-family:"PingFang SC","Microsoft YaHei",sans-serif;font-weight:700;}
.foot-col ul{list-style:none;padding:0;margin:0;}
.foot-col li{margin-bottom:11px;}
.foot-col a{color:rgba(239,233,220,.78);font-size:14.5px;}
.foot-col a:hover{color:#FFFDF8;}
.foot-sub p{color:rgba(239,233,220,.72);font-size:14px;}
.foot-form{display:flex;gap:9px;margin-top:14px;}
.foot-form input{
  flex:1;min-width:0;background:rgba(255,253,248,.94);border:1px solid transparent;
  border-radius:10px;padding:11px 14px;font-size:14px;color:var(--ink);font-family:inherit;
  transition:box-shadow .22s var(--ease);
}
.foot-form input:focus{outline:none;box-shadow:0 0 0 4px rgba(201,114,44,.30);}
.foot-form button{
  background:var(--amber);color:#FFFDF8;border:0;border-radius:10px;padding:11px 18px;
  font-size:14px;font-weight:600;cursor:pointer;font-family:inherit;white-space:nowrap;
  transition:background .22s var(--ease),transform .22s var(--ease);
}
.foot-form button:hover{background:var(--amber-deep);transform:translateY(-1px);}
.foot-bottom{
  border-top:1px solid rgba(255,253,248,.16);padding:22px 0 26px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  font-size:13px;color:rgba(239,233,220,.62);
}

/* ---------- responsive ---------- */
@media screen and (max-width:1024px){
  :root{--sec:72px;}
  .nav-links{display:none;}
  .burger{display:inline-flex;}
  .card-grid,.rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .split{grid-template-columns:1fr;gap:36px;}
  .faq-wrap{grid-template-columns:1fr;gap:28px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .cta-band{grid-template-columns:1fr;padding:44px 36px;}
  .lt-head{display:none;}
  .lt-row{
    grid-template-columns:1fr;gap:8px;padding:20px 22px;
  }
  .lt-row > div{display:flex;gap:10px;align-items:flex-start;}
  .lt-row > div::before{
    content:attr(data-th);flex:0 0 88px;color:var(--green-deep);
    font-size:12.5px;font-weight:700;
  }
  .lt-row .no{padding:0;}
}
@media screen and (max-width:768px){
  .wrap{padding:0 20px;}
  .page-banner{padding:126px 0 56px;}
  .card-grid,.rel-grid{grid-template-columns:1fr;}
  .stat-pill{flex:1 1 45%;min-width:0;padding:12px 16px;}
  .foot-grid{grid-template-columns:1fr;gap:30px;}
  .foot-bottom{flex-direction:column;}
  .cta-band{padding:36px 24px;border-radius:20px;}
}
@media screen and (max-width:520px){
  body{font-size:16px;}
  .logo__text{font-size:14px;}
  .logo__text small{display:none;}
  .logo__mark{width:36px;height:36px;font-size:13px;}
  .nav-cta{display:none;}
  .section{padding:56px 0;}
  .chan-card{padding:24px 20px;}
}

/* ---------- mobile drawer ---------- */
.nav-drawer{
  position:fixed;inset:0;z-index:79;background:var(--sand);
  padding:96px 24px 110px;display:flex;flex-direction:column;gap:4px;
  opacity:0;visibility:hidden;transform:translateY(-16px);
  transition:opacity .28s var(--ease),transform .28s var(--ease),visibility .28s var(--ease);
  overflow-y:auto;
}
.nav-drawer.is-open{opacity:1;visibility:visible;transform:translateY(0);}
.nav-drawer a{
  font-family:"Noto Serif SC","Songti SC",serif;font-size:20px;color:var(--ink);
  padding:16px 4px;border-bottom:1px solid var(--line);font-weight:600;
}
.nav-drawer a.is-active{color:var(--green);}
.nav-drawer .drawer-cta{
  margin-top:26px;border:0;background:var(--amber);color:#FFFDF8;border-radius:12px;
  padding:15px;font-size:16px;font-weight:700;text-align:center;display:block;
}
body.drawer-open{overflow:hidden;}

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

/* roulang page: category2 */
:root{
  --jade:#146B5F;
  --jade-deep:#0E4F46;
  --jade-soft:rgba(20,107,95,.08);
  --amber:#C9722C;
  --amber-dark:#A95D1F;
  --sand:#F7F3EA;
  --sand-alt:#EFE9DC;
  --card:#FFFDF8;
  --ink:#17201E;
  --graphite:#5B6663;
  --line:#E2DCCE;
  --ph:#E8E2D5;
  --ok:#2F7D4F;
  --warn:#B4452F;
  --r-card:18px;
  --r-btn:12px;
  --sh-1:0 1px 2px rgba(23,32,30,.05);
  --sh-2:0 10px 26px rgba(23,32,30,.10);
  --sh-3:0 12px 30px rgba(23,32,30,.16);
  --ease:cubic-bezier(.2,.7,.3,1);
  --h1:clamp(2.05rem,4.4vw,3.3rem);
  --h2:clamp(1.5rem,2.6vw,2.1rem);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--sand);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:"Noto Serif SC","Songti SC","Source Han Serif SC",Georgia,serif;
  color:var(--ink);
  margin:0 0 .6em;
  line-height:1.35;
  letter-spacing:0;
  font-weight:700;
}
h1{font-size:var(--h1)}
h2{font-size:var(--h2)}
h3{font-size:1.24rem}
p{margin:0 0 1.1em}
a{color:var(--jade);text-decoration:none;transition:color .24s var(--ease)}
a:hover{color:var(--amber)}
img{max-width:100%;display:block}
ul,ol{margin:0 0 1.1em;padding-left:1.25em}
button{font-family:inherit;cursor:pointer}
:focus-visible{outline:2px solid rgba(20,107,95,.4);outline-offset:2px;border-radius:6px}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--alt{background:var(--sand-alt)}
.section--tight{padding:72px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13.5px;color:var(--jade);font-weight:600;
  letter-spacing:0;margin:0 0 14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--amber);border-radius:2px}
.sec-head{max-width:720px;margin-bottom:42px}
.sec-head p{color:var(--graphite);margin:0}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:200;
  background:rgba(247,243,234,.72);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(20,60,52,.12);
  box-shadow:0 6px 18px rgba(23,32,30,.06);
  transition:background .28s var(--ease),height .28s var(--ease),box-shadow .28s var(--ease);
}
.site-header .wrap{padding:0 24px}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px;transition:height .28s var(--ease)}
.site-header.is-stuck{background:#FBF8F2;box-shadow:0 8px 22px rgba(23,32,30,.12)}
.site-header.is-stuck .nav{height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink)}
.logo:hover{color:var(--ink)}
.logo__mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:12px;
  background:var(--jade);color:#FFFDF8;
  font-family:"Noto Serif SC",Georgia,serif;
  font-size:15px;font-weight:700;letter-spacing:.5px;flex:0 0 auto;
}
.logo__text{display:flex;flex-direction:column;line-height:1.15;font-size:15px;font-weight:700;font-family:"Noto Serif SC","Songti SC",serif}
.logo__text small{font-size:11.5px;font-weight:400;color:var(--graphite);font-family:"PingFang SC","Microsoft YaHei",sans-serif;letter-spacing:.2px}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{
  position:relative;padding:9px 12px;border-radius:10px;
  font-size:14.5px;color:var(--ink);font-weight:500;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-links a:hover{color:var(--jade);background:rgba(20,107,95,.07)}
.nav-links a.is-active{color:var(--jade);font-weight:700}
.nav-links a.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--amber);border-radius:2px;
}
.nav-right{display:flex;align-items:center;gap:12px}
.nav-search{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:10px;
  border:1px solid var(--line);color:var(--jade);background:rgba(255,253,248,.7);
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.nav-search:hover{background:var(--jade-soft);color:var(--jade-deep);border-color:rgba(20,107,95,.3)}
.burger{
  display:none;width:40px;height:40px;border-radius:10px;
  border:1px solid var(--line);background:rgba(255,253,248,.8);color:var(--ink);
  align-items:center;justify-content:center;font-size:16px;
}
.burger:hover{background:var(--jade-soft);color:var(--jade)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1.2;
  border:1.5px solid transparent;cursor:pointer;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.btn--amber{background:var(--amber);color:#FFFDF8;box-shadow:0 6px 16px rgba(201,114,44,.24)}
.btn--amber:hover{background:var(--amber-dark);color:#FFFDF8;transform:translateY(-1px);box-shadow:0 12px 24px rgba(201,114,44,.28)}
.btn--amber:active{transform:translateY(0);box-shadow:0 4px 10px rgba(201,114,44,.24)}
.btn--ghost{background:transparent;color:var(--jade-deep);border-color:var(--jade)}
.btn--ghost:hover{background:rgba(20,107,95,.08);color:var(--jade-deep)}
.btn--sm{padding:9px 16px;font-size:13.5px;border-radius:10px}
.btn--block{width:100%}

/* ---------- hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:150px 0 84px;
  background-image:linear-gradient(180deg,rgba(247,243,234,.94),rgba(247,243,234,.9)),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}
.crumbs{font-size:13.5px;color:var(--graphite);margin-bottom:22px}
.crumbs a{color:var(--graphite)}
.crumbs a:hover{color:var(--jade)}
.crumbs span.sep{margin:0 8px;color:#B9B2A3}
.crumbs span.current{color:var(--ink);font-weight:600}
.status-pill{
  display:inline-flex;align-items:center;gap:9px;
  padding:7px 15px;border-radius:999px;
  background:rgba(47,125,79,.1);color:var(--ok);
  font-size:13px;font-weight:600;margin-bottom:20px;
}
.status-pill .dot{width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px rgba(47,125,79,.14);animation:pulse 2.4s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 4px rgba(47,125,79,.14)}50%{box-shadow:0 0 0 8px rgba(47,125,79,0)}}
.page-hero h1{margin-bottom:18px}
.page-hero .lede{font-size:17px;color:var(--graphite);max-width:32em;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
.hero-facts{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:12px 26px}
.hero-facts li{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--graphite)}
.hero-facts i{color:var(--jade);font-size:13px}
.hero-media{
  margin:0;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--line);background:var(--card);
  box-shadow:var(--sh-2);
}
.hero-media img{width:100%;aspect-ratio:16/11;object-fit:cover;transition:transform .35s var(--ease)}
.hero-media:hover img{transform:scale(1.03)}
.hero-media figcaption{
  padding:14px 18px;font-size:13px;color:var(--graphite);
  border-top:1px solid var(--line);background:rgba(239,233,220,.5);
}

/* ---------- cards grid ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 26px;box-shadow:var(--sh-1);
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
  height:100%;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(20,107,95,.24)}
.card__icon{
  display:inline-flex;align-items:center;justify-content:center;
  width:46px;height:46px;border-radius:13px;
  background:var(--jade-soft);color:var(--jade);
  font-size:18px;margin-bottom:18px;
}
.card h3{margin-bottom:10px}
.card p{color:var(--graphite);font-size:15px;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card__num{
  font-family:"Noto Serif SC",Georgia,serif;font-size:13px;font-weight:700;
  color:var(--amber);letter-spacing:1px;margin-bottom:12px;display:block;
}

/* ---------- flow (alternating) ---------- */
.flow-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:38px 0}
.flow-row + .flow-row{border-top:1px solid var(--line)}
.flow-row.is-reverse .flow-media{order:-1}
.flow-step{
  display:inline-flex;align-items:center;gap:9px;
  font-size:13px;font-weight:700;color:var(--jade-deep);
  background:rgba(20,107,95,.1);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.flow-step span{
  display:inline-flex;align-items:center;justify-content:center;
  width:20px;height:20px;border-radius:50%;background:var(--jade);color:#FFFDF8;
  font-size:12px;font-weight:700;
}
.flow-text h3{margin-bottom:12px}
.flow-text p{color:var(--graphite);font-size:15.5px;margin-bottom:14px}
.flow-list{list-style:none;padding:0;margin:0}
.flow-list li{position:relative;padding-left:24px;font-size:15px;color:var(--graphite);margin-bottom:10px}
.flow-list li::before{content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;font-size:11px;color:var(--jade);position:absolute;left:2px;top:7px}
.flow-media{margin:0;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1);background:var(--ph)}
.flow-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s var(--ease)}
.flow-media:hover img{transform:scale(1.03)}
.flow-media figcaption{font-size:12.5px;color:var(--graphite);padding:12px 16px;background:var(--card);border-top:1px solid var(--line)}

/* ---------- stats ---------- */
.stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);margin-bottom:46px;
}
.stat{padding:30px 24px;border-right:1px solid var(--line)}
.stat:last-child{border-right:none}
.stat b{
  display:block;font-family:"Noto Serif SC",Georgia,serif;
  font-size:clamp(1.7rem,3vw,2.4rem);color:var(--jade-deep);line-height:1.1;margin-bottom:8px;
}
.stat b em{font-style:normal;font-size:.5em;color:var(--amber);margin-left:4px;font-family:"PingFang SC",sans-serif;font-weight:700}
.stat span{font-size:13.5px;color:var(--graphite)}

/* ---------- compare ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.compare-col{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 26px;box-shadow:var(--sh-1);
}
.compare-col h3{display:flex;align-items:center;gap:10px;font-size:1.12rem;margin-bottom:18px}
.tag-ok,.tag-warn{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:700;padding:4px 11px;border-radius:999px;
  font-family:"PingFang SC",sans-serif;
}
.tag-ok{background:rgba(47,125,79,.12);color:var(--ok)}
.tag-warn{background:rgba(180,69,47,.1);color:var(--warn)}
.compare-col ul{list-style:none;padding:0;margin:0}
.compare-col li{
  position:relative;padding:13px 0 13px 26px;font-size:15px;color:var(--graphite);
  border-bottom:1px dashed var(--line);line-height:1.75;
}
.compare-col li:last-child{border-bottom:none;padding-bottom:0}
.compare-col.is-warn li::before{content:"\f071";font-family:"Font Awesome 6 Free";font-weight:900;font-size:11px;color:var(--warn);position:absolute;left:2px;top:19px}
.compare-col.is-ok li::before{content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;font-size:11px;color:var(--ok);position:absolute;left:2px;top:19px}

/* ---------- faq ---------- */
.faq-layout{display:grid;grid-template-columns:.82fr 1.18fr;gap:56px;align-items:start}
.faq-side h2{margin-bottom:14px}
.faq-side p{color:var(--graphite);font-size:15px}
.faq-side .btn{margin-top:10px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:transparent;border:0;padding:22px 4px;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;
  font-family:"PingFang SC","Microsoft YaHei",sans-serif;
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--jade)}
.faq-q .plus{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;
  color:var(--jade);font-size:12px;transition:transform .28s var(--ease),background .28s var(--ease),border-color .28s var(--ease);
}
.faq-item.is-open .faq-q{color:var(--jade)}
.faq-item.is-open .plus{transform:rotate(45deg);background:var(--jade-soft);border-color:rgba(20,107,95,.3)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s var(--ease)}
.faq-a p{padding:0 4px 22px;margin:0;color:var(--graphite);font-size:15px;line-height:1.85}

/* ---------- related ---------- */
.rel-card{
  display:flex;flex-direction:column;justify-content:space-between;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 26px;box-shadow:var(--sh-1);height:100%;
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(20,107,95,.24);color:inherit}
.rel-card h3{margin-bottom:10px;color:var(--ink)}
.rel-card p{color:var(--graphite);font-size:15px;margin:0 0 18px}
.rel-link{font-size:14px;font-weight:700;color:var(--jade);display:inline-flex;align-items:center;gap:8px}
.rel-card:hover .rel-link{color:var(--amber)}
.rel-link i{transition:transform .24s var(--ease)}
.rel-card:hover .rel-link i{transform:translateX(4px)}

/* ---------- cta band ---------- */
.cta-band{
  background:linear-gradient(135deg,var(--jade-deep),#0B443C);
  border-radius:24px;padding:56px 48px;color:#F4EFE4;
  display:grid;grid-template-columns:1.35fr .65fr;gap:36px;align-items:center;
  box-shadow:var(--sh-2);
}
.cta-band h2{color:#FFFDF8;margin-bottom:12px}
.cta-band p{color:rgba(244,239,228,.82);margin:0;font-size:15.5px}
.cta-actions{display:flex;flex-direction:column;gap:12px;align-items:stretch}
.cta-actions .btn--ghost{color:#FFFDF8;border-color:rgba(255,253,248,.6)}
.cta-actions .btn--ghost:hover{background:rgba(255,253,248,.12);color:#FFFDF8}

/* ---------- footer ---------- */
.site-footer{background:var(--jade-deep);color:#E7E1D4;padding:72px 0 26px;margin-top:96px}
.site-footer .logo__mark{background:rgba(255,253,248,.14);color:#FFFDF8}
.site-footer .logo__text{color:#FFFDF8}
.site-footer .logo__text small{color:rgba(231,225,212,.66)}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,253,248,.14)}
.foot-brand p{color:rgba(231,225,212,.74);font-size:14.5px;margin:18px 0 18px;max-width:30em}
.foot-contact{display:flex;flex-direction:column;gap:9px;font-size:13.5px;color:rgba(231,225,212,.72)}
.foot-contact i{color:var(--amber);margin-right:8px}
.foot-col h4{color:#FFFDF8;font-size:15px;margin-bottom:16px;font-family:"PingFang SC","Microsoft YaHei",sans-serif;font-weight:700}
.foot-col ul{list-style:none;padding:0;margin:0}
.foot-col li{margin-bottom:10px}
.foot-col a{color:rgba(231,225,212,.76);font-size:14px}
.foot-col a:hover{color:#FFFDF8}
.foot-sub p{font-size:13.5px;color:rgba(231,225,212,.7);margin:0 0 14px}
.foot-form{display:flex;gap:8px;flex-wrap:wrap}
.foot-form input{
  flex:1 1 150px;min-width:0;padding:11px 14px;border-radius:10px;
  border:1px solid rgba(255,253,248,.24);background:rgba(255,253,248,.08);
  color:#FFFDF8;font-size:14px;font-family:inherit;
}
.foot-form input::placeholder{color:rgba(231,225,212,.55)}
.foot-form input:focus{outline:none;border-color:rgba(201,114,44,.8);box-shadow:0 0 0 4px rgba(201,114,44,.18)}
.foot-form button{
  padding:11px 18px;border-radius:10px;border:0;
  background:var(--amber);color:#FFFDF8;font-size:14px;font-weight:700;
  transition:background .22s var(--ease),transform .22s var(--ease);
}
.foot-form button:hover{background:var(--amber-dark);transform:translateY(-1px)}
.foot-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:22px;font-size:13px;color:rgba(231,225,212,.62);
}

/* ---------- motion ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.in-view{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media screen and (max-width:1023px){
  .nav-links{
    position:fixed;left:0;right:0;top:64px;bottom:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:#FBF8F2;padding:24px 24px 96px;
    border-top:1px solid var(--line);
    display:none;overflow-y:auto;
  }
  .nav-links.is-open{display:flex}
  .nav-links a{padding:16px 12px;font-size:18px;border-bottom:1px solid var(--line);border-radius:0}
  .nav-links a.is-active::after{display:none}
  .nav-links a.is-active{background:rgba(20,107,95,.08);border-radius:10px}
  .burger{display:inline-flex}
  .nav-cta{display:none}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat:nth-child(2){border-right:none}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line)}
  .flow-row{grid-template-columns:1fr;gap:32px;padding:32px 0}
  .flow-row.is-reverse .flow-media{order:0}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .cta-band{grid-template-columns:1fr;padding:42px 32px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:72px 0}
  .site-footer{margin-top:72px}
}
@media screen and (max-width:639px){
  body{font-size:16px}
  .wrap{padding:0 20px}
  .page-hero{padding:126px 0 60px}
  .grid-3,.grid-2,.compare{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr}
  .stat{border-right:none;border-bottom:1px solid var(--line)}
  .stat:last-child{border-bottom:none}
  .logo__mark{width:36px;height:36px;font-size:13px}
  .logo__text{font-size:13.5px}
  .logo__text small{font-size:10.5px}
  .hero-actions .btn{width:100%}
  .foot-grid{grid-template-columns:1fr;gap:30px}
  .cta-band{padding:34px 22px;border-radius:18px}
  .section{padding:56px 0}
  .sec-head{margin-bottom:30px}
  .card{padding:24px 20px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category3 */
:root{
  --ink:#17201E;
  --ink-2:#5B6663;
  --green:#146B5F;
  --green-deep:#0E4F46;
  --amber:#C9722C;
  --amber-deep:#A95D1F;
  --sand:#F7F3EA;
  --card:#FFFDF8;
  --alt:#EFE9DC;
  --line:#E2DCCE;
  --ph:#E8E2D5;
  --ok:#2F7D4F;
  --warn:#B4452F;
  --r-card:18px;
  --r-btn:12px;
  --sh-1:0 1px 2px rgba(23,32,30,.05);
  --sh-2:0 10px 26px rgba(23,32,30,.10);
  --sh-3:0 12px 30px rgba(23,32,30,.16);
  --ease:cubic-bezier(.2,.7,.3,1);
  --serif:"Noto Serif SC","Songti SC","SimSun",serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--green);text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--amber-deep);}
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid rgba(20,107,95,.45);
  outline-offset:2px;
  border-radius:8px;
}
h1,h2,h3,h4{
  font-family:var(--serif);
  color:var(--ink);
  margin:0 0 .6em;
  line-height:1.35;
  font-weight:600;
  letter-spacing:normal;
}
h1{font-size:clamp(2.05rem,4.4vw,3.3rem);}
h2{font-size:clamp(1.5rem,2.6vw,2.1rem);}
h3{font-size:1.24rem;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 24px;}
.sec{padding:96px 0;}
.sec--alt{background:var(--alt);}
.sec-head{max-width:760px;margin-bottom:44px;}
.sec-head p{color:var(--ink-2);margin-bottom:0;}
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;
  background:rgba(20,107,95,.08);
  color:var(--green);
  font-size:13.5px;font-weight:600;
  letter-spacing:.02em;
  margin-bottom:16px;
}
.kicker i{font-size:12px;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;
  background:rgba(247,243,234,.72);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(20,60,52,.12);
  box-shadow:0 6px 18px rgba(23,32,30,.06);
  transition:background .28s var(--ease),box-shadow .28s var(--ease);
}
.site-header.is-scrolled{
  background:#FBF8F2;
  box-shadow:0 8px 24px rgba(23,32,30,.12);
}
.nav{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;
  height:76px;
  transition:height .28s var(--ease);
}
.site-header.is-scrolled .nav{height:64px;}
.logo{display:inline-flex;align-items:center;gap:12px;color:var(--ink);}
.logo:hover{color:var(--ink);}
.logo__mark{
  width:42px;height:42px;flex:0 0 42px;
  border-radius:13px;
  background:linear-gradient(150deg,var(--green),var(--green-deep));
  color:#FBF8F2;
  display:grid;place-items:center;
  font-family:var(--serif);
  font-size:16px;font-weight:700;
  letter-spacing:.02em;
  box-shadow:var(--sh-1);
}
.logo__text{
  display:flex;flex-direction:column;
  font-family:var(--serif);
  font-size:15.5px;font-weight:700;
  line-height:1.3;
  color:var(--ink);
}
.logo__text small{
  font-family:"PingFang SC","Microsoft YaHei",sans-serif;
  font-size:11.5px;font-weight:400;
  color:var(--ink-2);
  letter-spacing:.02em;
}
.nav-links{display:flex;align-items:center;gap:30px;}
.nav-links a{
  position:relative;
  color:var(--ink);
  font-size:15px;
  padding:6px 0;
  transition:color .22s var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;
  height:2px;border-radius:2px;
  background:var(--amber);
  transform:scaleX(0);transform-origin:left;
  transition:transform .26s var(--ease);
}
.nav-links a:hover{color:var(--green);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--green);font-weight:600;}
.nav-links a.is-active::after{transform:scaleX(1);}
.nav-right{display:flex;align-items:center;gap:14px;}
.nav-search{
  width:40px;height:40px;border-radius:999px;
  display:grid;place-items:center;
  color:var(--green);
  background:rgba(20,107,95,.08);
  transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease);
}
.nav-search:hover{background:rgba(20,107,95,.16);color:var(--green-deep);transform:translateY(-1px);}
.burger{
  display:none;
  width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,253,248,.9);
  color:var(--ink);
  font-size:17px;
  transition:background .22s var(--ease),border-color .22s var(--ease);
}
.burger:hover{background:#fff;border-color:var(--green);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:600;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
}
.btn--sm{padding:10px 20px;font-size:14px;}
.btn--amber{background:var(--amber);color:#FFFDF8;box-shadow:0 4px 12px rgba(201,114,44,.22);}
.btn--amber:hover{background:var(--amber-deep);color:#FFFDF8;transform:translateY(-1px);box-shadow:0 10px 22px rgba(201,114,44,.28);}
.btn--ghost{background:transparent;color:var(--green);border-color:var(--green);}
.btn--ghost:hover{background:rgba(20,107,95,.08);color:var(--green-deep);}
.btn--light{background:rgba(255,253,248,.12);color:#FBF8F2;border-color:rgba(255,253,248,.5);}
.btn--light:hover{background:rgba(255,253,248,.22);color:#fff;}
.btn--solid{background:var(--green);color:#FBF8F2;}
.btn--solid:hover{background:var(--green-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}

/* ---------- 内页 Hero ---------- */
.page-hero{
  position:relative;
  padding:150px 0 76px;
  color:#F3EFE4;
  overflow:hidden;
}
.page-hero__bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  transform:scale(1.02);
}
.page-hero__veil{
  position:absolute;inset:0;
  background:linear-gradient(140deg,rgba(14,79,70,.92) 0%,rgba(14,79,70,.80) 48%,rgba(20,107,95,.74) 100%);
}
.page-hero__inner{position:relative;z-index:2;max-width:900px;}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;
  color:rgba(243,239,228,.78);
  margin-bottom:22px;
}
.crumb a{color:rgba(243,239,228,.9);}
.crumb a:hover{color:#fff;}
.crumb span{color:#fff;}
.crumb i{font-size:10px;opacity:.7;}
.page-hero .kicker{
  background:rgba(255,253,248,.14);
  color:#F6E9D6;
}
.page-hero h1{
  color:#FFFDF8;
  margin-bottom:18px;
  max-width:16em;
}
.page-hero .lead{
  color:rgba(243,239,228,.9);
  font-size:17px;
  max-width:660px;
  margin-bottom:30px;
}
.page-hero__actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-metrics{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
  margin-top:44px;
  padding-top:28px;
  border-top:1px solid rgba(255,253,248,.22);
  max-width:820px;
}
.hero-metrics div b{
  display:block;
  font-family:var(--serif);
  font-size:26px;
  color:#FFFDF8;
  line-height:1.2;
}
.hero-metrics div span{
  font-size:13.5px;
  color:rgba(243,239,228,.76);
}

/* ---------- FAQ 双列 ---------- */
.faq-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:22px;
}
.faq-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 26px 22px;
  box-shadow:var(--sh-1);
  transition:box-shadow .28s var(--ease),transform .28s var(--ease),border-color .28s var(--ease);
}
.faq-card:hover{
  box-shadow:var(--sh-2);
  transform:translateY(-3px);
  border-color:rgba(20,107,95,.28);
}
.faq-card__q{
  display:flex;gap:12px;
  align-items:flex-start;
  margin-bottom:12px;
}
.faq-card__q .mark{
  flex:0 0 28px;
  width:28px;height:28px;
  border-radius:9px;
  background:rgba(201,114,44,.12);
  color:var(--amber-deep);
  display:grid;place-items:center;
  font-family:var(--serif);
  font-size:14px;font-weight:700;
  margin-top:4px;
}
.faq-card h3{
  font-size:1.08rem;
  margin:0;
  line-height:1.55;
}
.faq-card p{
  margin:0;
  color:var(--ink-2);
  font-size:15.5px;
  line-height:1.8;
}
.faq-card__tag{
  display:inline-block;
  margin-top:16px;
  padding:5px 13px;
  border-radius:999px;
  font-size:12.5px;
  background:rgba(20,107,95,.08);
  color:var(--green);
}

/* ---------- 图文分栏 ---------- */
.split{
  display:grid;
  grid-template-columns:1.02fr .98fr;
  gap:56px;
  align-items:center;
}
.split__copy h2{margin-bottom:16px;}
.split__copy > p{color:var(--ink-2);}
.steps{display:grid;gap:16px;margin-top:28px;}
.step{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:16px;
  padding:18px 20px;
  box-shadow:var(--sh-1);
  transition:transform .26s var(--ease),box-shadow .26s var(--ease);
}
.step:hover{transform:translateX(4px);box-shadow:var(--sh-2);}
.step__no{
  flex:0 0 32px;width:32px;height:32px;
  border-radius:999px;
  background:var(--green);
  color:#FFFDF8;
  display:grid;place-items:center;
  font-family:var(--serif);
  font-weight:700;
  font-size:14px;
}
.step h3{font-size:1rem;margin:0 0 4px;}
.step p{margin:0;font-size:14.5px;color:var(--ink-2);line-height:1.7;}
.split__media{
  position:relative;
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-2);
  background:var(--ph);
}
.split__media img{
  width:100%;
  aspect-ratio:16/11;
  object-fit:cover;
  transition:transform .35s var(--ease);
}
.split__media:hover img{transform:scale(1.03);}
.media-note{
  position:absolute;left:18px;bottom:18px;right:18px;
  background:rgba(14,79,70,.86);
  backdrop-filter:blur(6px);
  color:#F3EFE4;
  border-radius:12px;
  padding:12px 16px;
  font-size:13.5px;
  line-height:1.6;
}

/* ---------- 速查索引 ---------- */
.index-panel{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:22px;
  padding:36px;
  box-shadow:var(--sh-1);
}
.chip-wall{display:flex;flex-wrap:wrap;gap:11px;margin-bottom:28px;}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 18px;
  border-radius:999px;
  background:rgba(20,107,95,.08);
  border:1px solid rgba(20,107,95,.16);
  color:var(--green);
  font-size:14.5px;
  transition:background .22s var(--ease),transform .22s var(--ease),color .22s var(--ease);
}
.chip:hover{background:rgba(20,107,95,.16);color:var(--green-deep);transform:translateY(-2px);}
.chip i{font-size:12px;}
.note-list{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.note-item{
  border-left:3px solid var(--green);
  padding:4px 0 4px 16px;
}
.note-item h3{font-size:1rem;margin:0 0 6px;}
.note-item p{margin:0;font-size:14.5px;color:var(--ink-2);line-height:1.75;}

/* ---------- 相关分类 ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.rel-card{
  display:flex;flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  color:var(--ink);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);color:var(--ink);border-color:rgba(20,107,95,.3);}
.rel-card__thumb{background:var(--ph);overflow:hidden;}
.rel-card__thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s var(--ease);}
.rel-card:hover .rel-card__thumb img{transform:scale(1.03);}
.rel-card__body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1;}
.rel-card__body h3{font-size:1.1rem;margin-bottom:8px;}
.rel-card__body p{font-size:14.5px;color:var(--ink-2);margin-bottom:16px;}
.rel-card__link{
  margin-top:auto;
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--green);
}
.rel-card:hover .rel-card__link{color:var(--amber-deep);}
.rel-card--current{
  border-color:rgba(20,107,95,.4);
  background:linear-gradient(180deg,rgba(20,107,95,.07),rgba(255,253,248,1) 60%);
}
.rel-card--current .flag{
  display:inline-block;
  margin-bottom:10px;
  padding:4px 12px;
  border-radius:999px;
  background:var(--green);
  color:#FFFDF8;
  font-size:12px;
}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;
  background:linear-gradient(135deg,var(--green-deep),var(--green));
  color:#F3EFE4;
  border-radius:26px;
  padding:56px 48px;
  overflow:hidden;
  box-shadow:var(--sh-2);
}
.cta-band::after{
  content:"";
  position:absolute;right:-90px;top:-90px;
  width:300px;height:300px;border-radius:50%;
  background:rgba(201,114,44,.18);
  filter:blur(6px);
}
.cta-band__inner{position:relative;z-index:2;display:flex;gap:40px;align-items:center;justify-content:space-between;flex-wrap:wrap;}
.cta-band h2{color:#FFFDF8;margin-bottom:10px;}
.cta-band p{color:rgba(243,239,228,.86);margin:0;max-width:560px;}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--green-deep);
  color:rgba(243,239,228,.82);
  padding:72px 0 0;
  margin-top:96px;
}
.site-footer .logo__mark{background:rgba(255,253,248,.14);color:#FFFDF8;}
.site-footer .logo__text{color:#FFFDF8;}
.site-footer .logo__text small{color:rgba(243,239,228,.6);}
.foot-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.3fr;
  gap:48px;
  padding-bottom:48px;
}
.foot-brand p{font-size:14.5px;line-height:1.8;margin:18px 0 20px;max-width:320px;}
.foot-contact{display:grid;gap:8px;font-size:13.5px;}
.foot-contact span{display:inline-flex;align-items:center;gap:9px;}
.foot-contact i{color:var(--amber);font-size:13px;}
.foot-col h4{
  color:#FFFDF8;
  font-size:15px;
  margin:0 0 18px;
  font-family:var(--serif);
}
.foot-col ul{display:grid;gap:11px;}
.foot-col ul a{color:rgba(243,239,228,.8);font-size:14.5px;}
.foot-col ul a:hover{color:#FFFDF8;}
.foot-sub p{font-size:13.5px;line-height:1.75;margin-bottom:16px;}
.foot-form{display:flex;gap:10px;flex-wrap:wrap;}
.foot-form input{
  flex:1 1 150px;
  min-width:0;
  padding:11px 14px;
  border-radius:10px;
  border:1px solid rgba(255,253,248,.26);
  background:rgba(255,253,248,.08);
  color:#FFFDF8;
  font-size:14px;
  transition:border-color .22s var(--ease),background .22s var(--ease);
}
.foot-form input::placeholder{color:rgba(243,239,228,.5);}
.foot-form input:focus{
  outline:none;
  border-color:rgba(255,253,248,.7);
  background:rgba(255,253,248,.14);
}
.foot-form button{
  padding:11px 18px;
  border-radius:10px;
  border:0;
  background:var(--amber);
  color:#FFFDF8;
  font-size:14px;
  font-weight:600;
  transition:background .22s var(--ease),transform .22s var(--ease);
}
.foot-form button:hover{background:var(--amber-deep);transform:translateY(-1px);}
.foot-bottom{
  border-top:1px solid rgba(255,253,248,.16);
  padding:22px 0 26px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;
  color:rgba(243,239,228,.62);
}

/* ---------- 移动端抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:200;
  background:var(--sand);
  transform:translateX(100%);
  transition:transform .32s var(--ease);
  display:flex;flex-direction:column;
  padding:20px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:34px;}
.drawer__close{
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);
  background:var(--card);
  color:var(--ink);
  font-size:18px;
}
.drawer__links{display:grid;gap:6px;margin-bottom:auto;}
.drawer__links a{
  font-family:var(--serif);
  font-size:1.35rem;
  color:var(--ink);
  padding:14px 4px;
  border-bottom:1px solid var(--line);
}
.drawer__links a:hover{color:var(--green);}
.drawer__links a.is-active{color:var(--green);}
.drawer__cta{margin-top:28px;width:100%;}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1024px){
  .sec{padding:72px 0;}
  .nav-links{gap:20px;}
  .nav-links a{font-size:14px;}
  .split{grid-template-columns:1fr;gap:36px;}
  .note-list{grid-template-columns:1fr 1fr;}
  .rel-grid{grid-template-columns:1fr 1fr;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .cta-band{padding:44px 32px;}
}
@media screen and (max-width:860px){
  .nav-links,.nav-search{display:none;}
  .burger{display:grid;place-items:center;}
  .nav-cta{display:none;}
}
@media screen and (max-width:768px){
  .page-hero{padding:126px 0 58px;}
  .hero-metrics{grid-template-columns:1fr;gap:14px;margin-top:34px;padding-top:24px;}
  .hero-metrics div b{font-size:22px;}
  .faq-grid{grid-template-columns:1fr;}
  .rel-grid{grid-template-columns:1fr;}
  .note-list{grid-template-columns:1fr;}
  .index-panel{padding:24px;}
  .cta-band{border-radius:20px;padding:36px 24px;}
  .foot-grid{grid-template-columns:1fr;gap:32px;}
  .site-footer{margin-top:64px;padding-top:56px;}
}
@media screen and (max-width:520px){
  body{font-size:16px;}
  .wrap{padding:0 20px;}
  .sec{padding:56px 0;}
  .logo__mark{width:38px;height:38px;flex-basis:38px;font-size:14px;border-radius:11px;}
  .logo__text{font-size:14px;}
  .logo__text small{font-size:10.5px;}
  .nav{height:66px;gap:12px;}
  .site-header.is-scrolled .nav{height:58px;}
  .page-hero h1{font-size:1.85rem;}
  .page-hero .lead{font-size:15.5px;}
  .page-hero__actions .btn{width:100%;}
  .faq-card{padding:22px 20px 18px;}
  .step{padding:16px;}
  .cta-band__actions .btn{width:100%;}
  .foot-bottom{flex-direction:column;gap:8px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
}