/* roulang page: index */
:root{
  --bg:#F7F4EE;--paper:#FFFFFF;--ink:#1B1B19;--muted:#6E6A63;
  --green:#143B36;--green-2:#2E5E57;--amber:#C97A3D;--amber-soft:#F1DFD0;
  --celadon:#7FA9A0;--focus:#4F8C86;--line:#E4DED2;--danger:#B4493A;
  --r-card:8px;--r-btn:4px;--r-img:6px;
  --shadow:0 12px 30px rgba(20,59,54,.08);--shadow-soft:0 4px 14px rgba(20,59,54,.05);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",sans-serif;
  --w:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);
  font-size:16px;line-height:1.8;letter-spacing:.01em;
  padding-bottom:80px;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--green);text-decoration:none;transition:color .18s ease,border-color .18s ease}
a:hover{color:var(--amber)}
h1,h2,h3,h4{font-family:var(--serif);letter-spacing:-.02em;color:var(--ink);margin:0;line-height:1.18;font-weight:600}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--ink)}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px}
.container{width:100%;max-width:var(--w);margin:0 auto;padding:0 24px}
.section{padding:92px 0}
.section-tight{padding:64px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.14em;
  color:var(--green-2);text-transform:uppercase;font-weight:500;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--amber);display:inline-block}
.h2{font-size:clamp(28px,3.4vw,42px);line-height:1.16}
.lead{color:var(--muted);font-size:17px;line-height:1.85}
.rule{height:1px;background:var(--line);border:0;margin:0}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  background:var(--green);color:#FBF8F2;font-size:15px;font-weight:500;
  letter-spacing:.02em;border:1px solid var(--green);
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn:hover{background:var(--amber);border-color:var(--amber);color:#1B1B19;transform:translateY(-1px);box-shadow:0 8px 20px rgba(201,122,61,.22)}
.btn:active{transform:translateY(1px);box-shadow:none}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-ghost{
  display:inline-flex;align-items:center;gap:6px;height:48px;padding:0 4px;
  color:var(--green);font-size:15px;border-bottom:1px solid transparent;
}
.btn-ghost:hover{color:var(--amber);border-bottom-color:var(--amber)}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500;
  color:var(--green-2);border-bottom:1px solid var(--line);padding-bottom:2px;
}
.link-arrow span{transition:transform .18s ease;display:inline-block}
.link-arrow:hover{color:var(--amber);border-bottom-color:var(--amber)}
.link-arrow:hover span{transform:translateX(4px)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);backdrop-filter:saturate(120%) blur(8px);
  box-shadow:0 2px 10px rgba(20,59,54,.04);
}
.nav{display:flex;align-items:center;gap:28px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;font-family:var(--serif);font-size:19px;color:var(--green);letter-spacing:-.01em;font-weight:600;white-space:nowrap}
.brand svg{width:28px;height:28px;color:var(--green)}
.brand:hover{color:var(--green-2)}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:8px}
.nav-links a{
  position:relative;font-size:15px;color:#3A3A36;padding:6px 0;
  transition:color .18s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--amber);transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease;
}
.nav-links a:hover{color:var(--green)}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-links a.active{color:var(--green);font-weight:500}
.nav-right{display:flex;align-items:center;gap:14px;margin-left:auto}
.search-box{
  display:flex;align-items:center;gap:8px;width:220px;height:40px;padding:0 14px;
  background:#F3EFE7;border:1px solid transparent;border-radius:999px;
  transition:background .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.search-box:focus-within{background:#fff;border-color:var(--celadon);box-shadow:0 0 0 3px rgba(79,140,134,.16)}
.search-box svg{width:16px;height:16px;color:var(--muted);flex:none}
.search-box input{border:none;background:transparent;outline:none;width:100%;font-size:14px;color:var(--ink)}
.search-box input::placeholder{color:#8E8A82}
.burger{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--r-btn);color:var(--green);
}
.burger svg{width:20px;height:20px}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,33,30,.42);opacity:0;visibility:hidden;
  transition:opacity .2s ease,visibility .2s ease;z-index:80;
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);background:#fff;z-index:90;
  transform:translateX(102%);transition:transform .24s ease;display:flex;flex-direction:column;
  padding:20px 22px 28px;box-shadow:-12px 0 40px rgba(20,59,54,.14);
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-close{width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--r-btn);color:var(--green)}
.drawer-close:hover{background:#F3EFE7}
.drawer nav{display:flex;flex-direction:column;margin:12px 0 auto}
.drawer nav a{
  display:flex;align-items:center;justify-content:space-between;
  height:48px;font-size:16px;color:#3A3A36;border-bottom:1px solid #F1ECE3;
}
.drawer nav a.active{color:var(--green);font-weight:500}
.drawer nav a span{color:var(--celadon);font-size:13px}
.drawer .search-box{width:100%;margin-bottom:14px}

/* ---------- Hero ---------- */
.hero{padding:70px 0 0;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;min-height:560px}
.hero h1{font-size:clamp(34px,4.6vw,60px);line-height:1.1;margin:18px 0 20px}
.hero h1 em{font-style:normal;color:var(--green-2);border-bottom:3px solid var(--amber-soft);padding-bottom:2px}
.hero-sub{font-size:clamp(16px,1.4vw,19px);color:var(--muted);max-width:520px;line-height:1.85}
.hero-actions{display:flex;align-items:center;gap:16px;margin-top:32px;flex-wrap:wrap}
.hero-figure{position:relative}
.hero-figure img{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-img);
  border:1px solid var(--line);box-shadow:var(--shadow);
}
.hero-figure .fig-no{
  position:absolute;top:-16px;left:-14px;background:var(--green);color:#FBF8F2;
  font-family:var(--serif);font-size:13px;letter-spacing:.16em;
  padding:7px 13px;border-radius:var(--r-btn);
}
.hero-figure .fig-cap{
  position:absolute;right:14px;bottom:14px;background:rgba(255,255,255,.94);
  border:1px solid var(--line);border-radius:999px;padding:5px 13px;
  font-size:12px;color:var(--green-2);letter-spacing:.04em;
}
.trust-bar{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  border-top:1px solid var(--line);margin-top:60px;padding:24px 0 28px;
}
.trust-item{padding:0 22px;border-left:1px solid var(--line);font-size:14px;color:var(--muted)}
.trust-item:first-child{border-left:none;padding-left:0}
.trust-item b{display:block;font-family:var(--serif);font-size:20px;color:var(--green);font-weight:600;margin-bottom:2px}

/* ---------- 卖点编号行 ---------- */
.pillars{display:grid;grid-template-columns:4fr 8fr;gap:56px;align-items:start}
.pillars-head{position:sticky;top:104px}
.pillar-row{
  display:grid;grid-template-columns:78px 1fr;gap:24px;padding:30px 20px 30px 12px;
  border-top:1px solid var(--line);transition:background .2s ease;
}
.pillar-row:last-child{border-bottom:1px solid var(--line)}
.pillar-row:hover{background:var(--paper)}
.pillar-no{font-family:var(--serif);font-size:38px;color:var(--celadon);line-height:1}
.pillar-row h3{font-size:22px;margin-bottom:10px}
.pillar-row p{font-size:15px;color:var(--muted);line-height:1.8;margin-bottom:14px;max-width:560px}

/* ---------- 场景 ---------- */
.scene{display:grid;grid-template-columns:6fr 6fr;gap:52px;align-items:center;margin-bottom:76px}
.scene:last-child{margin-bottom:0}
.scene.reverse .scene-media{order:2}
.scene-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);
  border:1px solid var(--line);box-shadow:var(--shadow-soft);
  transition:transform .3s ease,box-shadow .3s ease;
}
.scene-media:hover img{transform:scale(1.012);box-shadow:var(--shadow)}
.scene-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.1em;
  color:var(--amber);border:1px solid var(--amber-soft);background:#FCF6F0;
  padding:4px 11px;border-radius:999px;margin-bottom:16px;
}
.scene h3{font-size:clamp(22px,2.2vw,28px);margin-bottom:14px}
.scene ul{margin:0 0 20px}
.scene li{
  position:relative;padding-left:20px;font-size:15px;color:var(--muted);line-height:1.85;margin-bottom:8px;
}
.scene li::before{content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border:1px solid var(--green-2);border-radius:50%}
.scene-wide{
  margin-top:8px;position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);
}
.scene-wide img{width:100%;aspect-ratio:21/8;object-fit:cover}
.scene-wide .wide-label{
  position:absolute;left:24px;bottom:22px;background:rgba(255,255,255,.95);
  border-radius:var(--r-btn);padding:8px 16px;font-size:13px;color:var(--green);
  border:1px solid var(--line);
}

/* ---------- 数据带 ---------- */
.stats-band{background:var(--amber-soft);border-radius:var(--r-card);padding:44px 40px}
.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.stat{border-left:1px solid rgba(20,59,54,.16);padding-left:26px}
.stat:first-child{border-left:none;padding-left:0}
.stat b{display:block;font-family:var(--serif);font-size:clamp(34px,4vw,48px);color:var(--green);line-height:1.05;font-weight:600}
.stat span{display:block;font-size:12px;letter-spacing:.1em;color:#7B6A57;margin-top:8px}
.stat p{font-size:14px;color:#6B5C4B;margin-top:8px;line-height:1.7}

/* ---------- 评价 ---------- */
.voice-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:32px}
.voice{
  position:relative;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;transition:border-color .18s ease,box-shadow .18s ease;
}
.voice:hover{border-color:var(--green-2);box-shadow:var(--shadow-soft)}
.voice::before{
  content:"”";position:absolute;top:6px;right:20px;font-family:var(--serif);
  font-size:64px;line-height:1;color:rgba(201,122,61,.22);
}
.voice p{font-size:15px;color:#3A3A36;line-height:1.85;margin-bottom:18px}
.voice .who{font-size:13px;color:var(--muted)}
.voice .who b{color:var(--green);font-weight:600}
.case-mini{margin-top:24px;display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.case-mini a{
  display:flex;gap:12px;align-items:center;background:var(--paper);border:1px solid var(--line);
  border-radius:var(--r-card);padding:12px;transition:border-color .18s ease,box-shadow .18s ease;
}
.case-mini a:hover{border-color:var(--green-2);box-shadow:var(--shadow-soft);color:var(--ink)}
.case-mini img{width:56px;height:56px;object-fit:cover;border-radius:4px;flex:none}
.case-mini strong{display:block;font-size:14px;font-weight:500;line-height:1.5}
.case-mini span{font-size:12px;color:var(--muted)}

/* ---------- 资讯卡片 ---------- */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  display:flex;flex-direction:column;background:var(--paper);border:1px solid var(--line);
  border-radius:var(--r-card);padding:22px;transition:border-color .18s ease,box-shadow .18s ease;
}
.news-card:hover{border-color:var(--green);box-shadow:var(--shadow)}
.news-card img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-img);
  margin-bottom:16px;transition:transform .3s ease;
}
.news-card:hover img{transform:scale(1.02)}
.badge{
  display:inline-block;font-size:12px;padding:3px 10px;border-radius:999px;
  background:var(--amber-soft);color:var(--green);letter-spacing:.02em;margin-bottom:10px;
}
.news-card h3{font-size:20px;line-height:1.45;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card p{font-size:14px;color:var(--muted);line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px}
.news-meta{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);margin-top:auto;padding-top:12px;border-top:1px solid #F1ECE3}
.news-card.feature{grid-column:span 2;flex-direction:row;gap:24px;align-items:flex-start}
.news-card.feature img{width:46%;aspect-ratio:4/3;margin-bottom:0;flex:none}
.news-card.feature .news-body{display:flex;flex-direction:column;height:100%}
.news-card.feature h3{font-size:24px;-webkit-line-clamp:2}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-card);background:var(--paper);
  padding:52px 28px;text-align:center;
}
.empty-state strong{display:block;font-family:var(--serif);font-size:20px;color:var(--green);margin-bottom:8px}
.empty-state p{font-size:14px;color:var(--muted);margin-bottom:18px}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-item{border-top:1px solid var(--line)}
.faq-item:last-child{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 6px;text-align:left;font-size:17px;color:var(--ink);font-weight:500;
  transition:background .18s ease,color .18s ease;
}
.faq-q:hover{background:#FBF9F4;color:var(--green)}
.faq-ico{
  flex:none;width:26px;height:26px;border:1px solid var(--line);border-radius:50%;
  position:relative;transition:transform .2s ease,border-color .2s ease;
}
.faq-ico::before,.faq-ico::after{
  content:"";position:absolute;background:var(--green-2);border-radius:2px;
  transition:opacity .2s ease;
}
.faq-ico::before{left:7px;right:7px;top:12px;height:1.5px}
.faq-ico::after{top:7px;bottom:7px;left:12px;width:1.5px}
.faq-item.open .faq-ico{transform:rotate(90deg);border-color:var(--amber)}
.faq-item.open .faq-ico::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease}
.faq-item.open .faq-a{max-height:400px}
.faq-a p{
  font-size:15px;color:var(--muted);line-height:1.85;padding:0 6px 24px 20px;
  border-left:3px solid var(--amber);margin-left:2px;
}

/* ---------- 表单 CTA ---------- */
.cta-band{background:var(--green);color:#F3EFE7;border-radius:var(--r-card);padding:56px 48px}
.cta-grid{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start}
.cta-band h2{color:#FBF8F2;font-size:clamp(26px,3vw,36px);margin-bottom:16px}
.cta-band p{color:rgba(243,239,231,.78);font-size:15px;line-height:1.9}
.cta-contact{margin-top:28px;display:flex;flex-direction:column;gap:10px;font-size:14px;color:rgba(243,239,231,.86)}
.cta-contact b{color:#FBF8F2;font-weight:500}
.form-card{background:#fff;border-radius:var(--r-card);padding:28px;box-shadow:0 20px 50px rgba(0,0,0,.18)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:span 2}
.field label{font-size:13px;color:#3A3A36;font-weight:500}
.field input,.field select,.field textarea{
  width:100%;height:46px;padding:0 13px;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-btn);outline:none;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{height:96px;padding:11px 13px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--celadon);box-shadow:0 0 0 3px rgba(79,140,134,.18);
}
.field input::placeholder,.field textarea::placeholder{color:#A6A199}
.check{display:flex;align-items:flex-start;gap:8px;font-size:13px;color:var(--muted);line-height:1.7}
.check input{width:16px;height:16px;margin-top:3px;flex:none;accent-color:var(--green)}
.form-note{font-size:12px;color:#8E8A82;margin-top:12px;line-height:1.7}
.form-msg{font-size:14px;margin-top:12px;display:none}
.form-msg.show{display:block}
.form-msg.ok{color:var(--green-2)}
.form-msg.err{color:var(--danger)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--green);color:rgba(243,239,231,.82);margin-top:0;padding-top:72px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:52px}
.site-footer .brand{color:#FBF8F2;font-size:19px}
.site-footer .brand svg{color:#FBF8F2}
.site-footer .brand:hover{color:var(--amber)}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(243,239,231,.68);margin-top:16px;max-width:280px}
.footer-col h4{font-family:var(--sans);font-size:13px;letter-spacing:.12em;color:rgba(243,239,231,.55);font-weight:500;margin-bottom:16px}
.footer-col a,.footer-col li{display:block;font-size:14px;color:rgba(243,239,231,.86);margin-bottom:10px;line-height:1.7}
.footer-col a:hover{color:var(--amber);text-decoration:underline;text-underline-offset:4px}
.footer-bottom{
  border-top:1px solid rgba(243,239,231,.16);padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:rgba(243,239,231,.55);
}

/* ---------- 固定转化条 ---------- */
.sticky-bar{
  position:fixed;left:50%;transform:translate(-50%,140%);bottom:18px;z-index:70;
  width:min(960px,calc(100% - 32px));background:var(--green);color:#F3EFE7;
  border-radius:var(--r-card);padding:12px 14px 12px 22px;
  display:flex;align-items:center;gap:16px;
  box-shadow:0 18px 44px rgba(20,59,54,.28);
  transition:transform .22s ease;
}
.sticky-bar.show{transform:translate(-50%,0)}
.sticky-bar p{font-size:14px;line-height:1.5;flex:1;color:#F3EFE7}
.sticky-bar .btn{height:44px;background:var(--amber);border-color:var(--amber);color:#1B1B19;flex:none}
.sticky-bar .btn:hover{background:#FBF8F2;border-color:#FBF8F2;color:var(--green)}
.sticky-close{
  width:32px;height:32px;flex:none;display:inline-flex;align-items:center;justify-content:center;
  color:rgba(243,239,231,.72);border-radius:50%;
}
.sticky-close:hover{background:rgba(255,255,255,.12);color:#fff}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .nav-links{gap:18px}
  .search-box{width:180px}
  .hero-grid{grid-template-columns:1fr;gap:40px;min-height:0;padding-bottom:8px}
  .hero h1{max-width:720px}
  .pillars{grid-template-columns:1fr;gap:32px}
  .pillars-head{position:static}
  .scene{grid-template-columns:1fr;gap:28px;margin-bottom:56px}
  .scene.reverse .scene-media{order:0}
  .cta-grid{grid-template-columns:1fr;gap:32px}
  .news-grid{grid-template-columns:1fr 1fr}
  .news-card.feature{grid-column:span 2;flex-direction:column}
  .news-card.feature img{width:100%;aspect-ratio:16/10}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .case-mini{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .nav-links,.nav-right .search-box,.nav-right .btn{display:none}
  .burger{display:inline-flex}
  .section{padding:60px 0}
  .section-tight{padding:44px 0}
  .container{padding:0 18px}
  .hero{padding-top:40px}
  .trust-bar{grid-template-columns:1fr 1fr;gap:18px 0;margin-top:40px}
  .trust-item{border-left:none;padding:0}
  .trust-item:nth-child(even){padding-left:18px;border-left:1px solid var(--line)}
  .stats-band{padding:32px 24px}
  .stats-grid{grid-template-columns:1fr;gap:24px}
  .stat{border-left:none;padding-left:0;border-top:1px solid rgba(20,59,54,.14);padding-top:18px}
  .stat:first-child{border-top:none;padding-top:0}
  .voice-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .news-card.feature{grid-column:span 1}
  .case-mini{grid-template-columns:1fr}
  .cta-band{padding:36px 22px}
  .form-grid{grid-template-columns:1fr}
  .field.full{grid-column:span 1}
  .scene-wide img{aspect-ratio:16/9}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:36px}
  .sticky-bar{
    left:0;right:0;bottom:0;width:100%;transform:translateY(120%);
    border-radius:0;padding:8px 12px;gap:10px;
  }
  .sticky-bar.show{transform:translateY(0)}
  .sticky-bar p{font-size:13px}
  .sticky-bar .btn{height:44px;padding:0 16px;font-size:14px}
  body{padding-bottom:76px}
}
@media (max-width:520px){
  .hero h1{font-size:34px}
  .pillar-row{grid-template-columns:1fr;gap:10px;padding:24px 4px}
  .pillar-no{font-size:28px}
  .news-card h3{font-size:18px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .hero-text>*{animation:none !important;opacity:1 !important;transform:none !important}
}
.hero-text>*{animation:rise .34s ease both}
.hero-text>*:nth-child(2){animation-delay:.05s}
.hero-text>*:nth-child(3){animation-delay:.1s}
.hero-text>*:nth-child(4){animation-delay:.15s}
@keyframes rise{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}

/* roulang page: article */
:root{
    --paper:#F7F4EE;
    --white:#FFFFFF;
    --ink:#1B1B19;
    --muted:#6E6A63;
    --brand:#143B36;
    --brand-2:#2E5E57;
    --amber:#C97A3D;
    --amber-soft:#F1DFD0;
    --celadon:#7FA9A0;
    --focus:#4F8C86;
    --line:#E4DED2;
    --error:#B4493A;
    --success:#2E5E57;
    --r-card:8px;
    --r-btn:4px;
    --r-img:6px;
    --sh-1:0 2px 10px rgba(20,59,54,.05);
    --sh-2:0 12px 30px rgba(20,59,54,.08);
    --sh-3:0 18px 40px rgba(20,59,54,.14);
    --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
    --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:var(--sans);
    font-size:16px;
    line-height:1.8;
    letter-spacing:.01em;
    color:var(--ink);
    background:var(--paper);
    padding-bottom:96px;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;cursor:pointer;}
  input,select,textarea{font-family:inherit;font-size:15px;color:var(--ink);}
  h1,h2,h3,h4{margin:0;font-family:var(--serif);letter-spacing:-.02em;font-weight:600;color:var(--brand);}
  p{margin:0;}
  ul,ol{margin:0;padding:0;list-style:none;}

  .container{
    width:100%;
    max-width:1200px;
    margin:0 auto;
    padding-left:24px;
    padding-right:24px;
  }

  /* ---------- header ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    background:var(--white);
    border-bottom:1px solid var(--line);
    box-shadow:0 1px 0 rgba(20,59,54,.03),0 6px 18px rgba(20,59,54,.04);
  }
  .nav{
    display:flex;
    align-items:center;
    gap:26px;
    height:72px;
  }
  .brand{
    display:inline-flex;
    align-items:center;
    gap:10px;
    color:var(--brand);
    font-family:var(--serif);
    font-size:19px;
    font-weight:600;
    letter-spacing:-.01em;
    white-space:nowrap;
  }
  .brand svg{width:28px;height:28px;flex:none;color:var(--brand-2);}
  .nav-links{
    display:flex;
    align-items:center;
    gap:28px;
  }
  .nav-links a{
    position:relative;
    display:inline-block;
    padding:6px 0;
    font-size:14.5px;
    color:var(--muted);
    transition:color .18s ease;
  }
  .nav-links a::after{
    content:"";
    position:absolute;
    left:0;
    bottom:0;
    height:2px;
    width:0;
    background:var(--amber);
    transition:width .2s ease;
  }
  .nav-links a:hover{color:var(--brand);}
  .nav-links a:hover::after{width:100%;}
  .nav-links a.active{color:var(--brand);font-weight:500;}
  .nav-links a.active::after{width:100%;}
  .nav-right{
    margin-left:auto;
    display:flex;
    align-items:center;
    gap:14px;
  }
  .search-box{
    display:inline-flex;
    align-items:center;
    gap:8px;
    height:40px;
    padding:0 14px;
    border-radius:999px;
    background:#F0ECE3;
    border:1px solid transparent;
    transition:background .18s ease,border-color .18s ease,box-shadow .18s ease;
  }
  .search-box svg{width:16px;height:16px;color:var(--muted);flex:none;}
  .search-box input{
    width:150px;
    border:0;
    background:transparent;
    outline:none;
    font-size:14px;
    color:var(--ink);
  }
  .search-box input::placeholder{color:#9A958C;}
  .search-box:focus-within{
    background:var(--white);
    border-color:var(--celadon);
    box-shadow:0 0 0 3px rgba(79,140,134,.18);
  }

  /* ---------- buttons ---------- */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    height:46px;
    padding:0 24px;
    border-radius:var(--r-btn);
    border:1px solid transparent;
    background:var(--brand);
    color:#FBF8F2;
    font-size:15px;
    font-weight:500;
    letter-spacing:.02em;
    transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease;
  }
  .btn:hover{background:var(--amber);color:#1B1B19;transform:translateY(-1px);}
  .btn:active{transform:translateY(1px);}
  .btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(79,140,134,.45);}
  .btn-sm{height:40px;padding:0 18px;font-size:14px;}
  .btn-amber{background:var(--amber);color:#1B1B19;}
  .btn-amber:hover{background:#D98C4E;color:#1B1B19;}
  .btn-ghost{
    background:transparent;
    color:var(--brand);
    border-color:transparent;
    padding:0;
    height:auto;
  }
  .btn-ghost:hover{background:transparent;color:var(--amber);transform:none;}
  .link-arrow{
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:14.5px;
    color:var(--brand);
    font-weight:500;
  }
  .link-arrow svg{width:16px;height:16px;transition:transform .18s ease;}
  .link-arrow:hover{color:var(--amber);}
  .link-arrow:hover svg{transform:translateX(4px);}

  .burger{
    display:none;
    align-items:center;
    justify-content:center;
    width:42px;
    height:42px;
    border:1px solid var(--line);
    border-radius:var(--r-btn);
    background:var(--white);
    color:var(--brand);
  }
  .burger svg{width:20px;height:20px;}

  /* ---------- drawer ---------- */
  .drawer-mask{
    position:fixed;
    inset:0;
    background:rgba(20,35,33,.38);
    opacity:0;
    visibility:hidden;
    transition:opacity .22s ease,visibility .22s ease;
    z-index:80;
  }
  .drawer-mask.is-open{opacity:1;visibility:visible;}
  .drawer{
    position:fixed;
    top:0;
    right:0;
    width:min(320px,86vw);
    height:100%;
    background:var(--white);
    z-index:90;
    transform:translateX(100%);
    transition:transform .24s ease;
    display:flex;
    flex-direction:column;
    padding:24px 22px;
    box-shadow:-16px 0 40px rgba(20,59,54,.14);
    overflow-y:auto;
  }
  .drawer.is-open{transform:translateX(0);}
  .drawer-head{
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding-bottom:16px;
    border-bottom:1px solid var(--line);
  }
  .drawer-close{
    width:38px;height:38px;
    border:1px solid var(--line);
    border-radius:var(--r-btn);
    background:var(--white);
    color:var(--brand);
    font-size:20px;
    line-height:1;
  }
  .drawer-links{display:flex;flex-direction:column;margin-top:8px;}
  .drawer-links a{
    display:flex;
    align-items:center;
    height:48px;
    border-bottom:1px solid var(--line);
    font-size:15px;
    color:var(--ink);
  }
  .drawer-links a:hover{color:var(--amber);}
  .drawer-foot{margin-top:auto;padding-top:24px;display:flex;flex-direction:column;gap:12px;}
  .drawer-foot .search-box{width:100%;}
  .drawer-foot .search-box input{width:100%;}
  .drawer-foot .btn{width:100%;}

  /* ---------- breadcrumb & article head ---------- */
  .article-top{padding:34px 0 0;}
  .breadcrumb{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:8px;
    font-size:13px;
    color:var(--muted);
  }
  .breadcrumb a{color:var(--muted);transition:color .18s ease;}
  .breadcrumb a:hover{color:var(--amber);}
  .breadcrumb .sep{color:#B9B2A6;}
  .breadcrumb .current{color:var(--brand-2);}

  .article-head{
    max-width:900px;
    padding:22px 0 34px;
    border-bottom:1px solid var(--line);
  }
  .eyebrow-tag{
    display:inline-flex;
    align-items:center;
    gap:8px;
    height:26px;
    padding:0 12px;
    border-radius:999px;
    background:var(--amber-soft);
    color:var(--brand);
    font-size:12px;
    letter-spacing:.06em;
  }
  .article-head h1{
    margin:16px 0 18px;
    font-size:40px;
    line-height:1.3;
    color:var(--brand);
  }
  .article-meta{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:10px 22px;
    font-size:13.5px;
    color:var(--muted);
  }
  .article-meta .meta-item{display:inline-flex;align-items:center;gap:6px;}
  .article-meta svg{width:14px;height:14px;color:var(--celadon);}

  /* ---------- layout ---------- */
  .article-layout{
    display:grid;
    grid-template-columns:minmax(0,1fr) 288px;
    gap:64px;
    padding:44px 0 24px;
    align-items:start;
  }
  .article-main{max-width:760px;min-width:0;}

  .article-body{
    font-size:17px;
    line-height:1.9;
    color:#2C2C28;
    overflow-wrap:break-word;
  }
  .article-body > *:first-child{margin-top:0;}
  .article-body p{margin:18px 0;}
  .article-body h2{
    margin:46px 0 16px;
    font-size:30px;
    line-height:1.35;
    color:var(--brand);
  }
  .article-body h3{
    margin:34px 0 12px;
    font-size:23px;
    line-height:1.45;
    color:var(--brand-2);
  }
  .article-body h4{
    margin:26px 0 10px;
    font-size:19px;
    color:var(--brand-2);
  }
  .article-body ul,
  .article-body ol{
    margin:18px 0;
    padding-left:24px;
    list-style:disc;
  }
  .article-body ol{list-style:decimal;}
  .article-body li{margin:9px 0;}
  .article-body blockquote{
    margin:26px 0;
    padding:18px 24px;
    border-left:3px solid var(--amber);
    background:#FBF7F1;
    border-radius:var(--r-img);
    color:#3B3B36;
    font-size:16.5px;
  }
  .article-body blockquote p{margin:0;}
  .article-body a{
    color:var(--brand);
    text-decoration:underline;
    text-underline-offset:3px;
    text-decoration-color:rgba(20,59,54,.35);
    transition:color .18s ease,text-decoration-color .18s ease;
  }
  .article-body a:hover{color:var(--amber);text-decoration-color:var(--amber);}
  .article-body img{
    width:100%;
    height:auto;
    margin:26px 0;
    border-radius:var(--r-img);
    border:1px solid var(--line);
  }
  .article-body figure{margin:26px 0;}
  .article-body figcaption{
    margin-top:8px;
    font-size:13px;
    color:var(--muted);
    text-align:center;
  }
  .article-body table{
    width:100%;
    margin:24px 0;
    border-collapse:collapse;
    font-size:15px;
    display:block;
    overflow-x:auto;
    white-space:nowrap;
  }
  .article-body th,
  .article-body td{
    border:1px solid var(--line);
    padding:10px 14px;
    text-align:left;
  }
  .article-body th{background:#FBF7F1;color:var(--brand);font-weight:600;}
  .article-body hr{border:0;border-top:1px solid var(--line);margin:34px 0;}

  /* ---------- empty state ---------- */
  .empty-state{
    border:1px dashed #CFC7B8;
    border-radius:var(--r-card);
    background:var(--white);
    padding:44px 28px;
    text-align:center;
  }
  .empty-state h2{font-size:24px;margin-bottom:12px;}
  .empty-state p{color:var(--muted);font-size:15px;margin-bottom:22px;}

  /* ---------- sidebar ---------- */
  .article-side{
    position:sticky;
    top:96px;
    align-self:start;
    display:flex;
    flex-direction:column;
    gap:20px;
  }
  .side-card{
    background:var(--white);
    border:1px solid var(--line);
    border-radius:var(--r-card);
    padding:22px;
    box-shadow:var(--sh-1);
  }
  .side-card h3{
    font-size:17px;
    margin-bottom:14px;
    color:var(--brand);
  }
  .side-list li{
    position:relative;
    padding-left:16px;
    margin:10px 0;
    font-size:14px;
    line-height:1.75;
    color:var(--muted);
  }
  .side-list li::before{
    content:"";
    position:absolute;
    left:0;
    top:10px;
    width:5px;
    height:5px;
    border-radius:50%;
    background:var(--celadon);
  }
  .side-card p.side-text{
    font-size:14px;
    line-height:1.8;
    color:var(--muted);
    margin-bottom:16px;
  }
  .side-card .btn{width:100%;}
  .side-nav a{
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:11px 0;
    font-size:14.5px;
    color:var(--ink);
    border-bottom:1px solid var(--line);
    transition:color .18s ease,padding-left .18s ease;
  }
  .side-nav a:last-child{border-bottom:0;padding-bottom:0;}
  .side-nav a:hover{color:var(--amber);padding-left:4px;}
  .side-nav svg{width:14px;height:14px;color:var(--celadon);}

  /* ---------- related ---------- */
  .related{padding:64px 0 8px;border-top:1px solid var(--line);margin-top:40px;}
  .section-head{
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    gap:24px;
    margin-bottom:28px;
  }
  .section-head h2{font-size:28px;}
  .section-head .sub{font-size:14px;color:var(--muted);}
  .related-grid{
    display:grid;
    grid-template-columns:repeat(3,minmax(0,1fr));
    gap:24px;
  }
  .card{
    display:flex;
    flex-direction:column;
    background:var(--white);
    border:1px solid var(--line);
    border-radius:var(--r-card);
    overflow:hidden;
    box-shadow:var(--sh-1);
    transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease;
  }
  .card:hover{
    border-color:var(--brand);
    box-shadow:var(--sh-2);
    transform:translateY(-2px);
  }
  .card-thumb{
    aspect-ratio:16/10;
    overflow:hidden;
    background:#EDE8DF;
  }
  .card-thumb img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:transform .3s ease;
  }
  .card:hover .card-thumb img{transform:scale(1.02);}
  .card-body{padding:22px 22px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
  .badge{
    display:inline-flex;
    align-items:center;
    align-self:flex-start;
    height:24px;
    padding:0 10px;
    border-radius:999px;
    background:var(--amber-soft);
    color:var(--brand);
    font-size:12px;
  }
  .card-body h3{
    font-size:20px;
    line-height:1.45;
    color:var(--ink);
    transition:color .18s ease;
  }
  .card:hover .card-body h3{color:var(--brand);}
  .card-body .desc{
    font-size:14px;
    line-height:1.75;
    color:var(--muted);
    display:-webkit-box;
    -webkit-line-clamp:3;
    -webkit-box-orient:vertical;
    overflow:hidden;
  }
  .card-meta{
    margin-top:auto;
    padding-top:12px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    font-size:13px;
    color:var(--muted);
    border-top:1px solid var(--line);
  }

  /* ---------- cta band ---------- */
  .cta-band{padding:72px 0 0;}
  .cta-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:32px;
    flex-wrap:wrap;
    background:var(--white);
    border:1px solid var(--line);
    border-radius:var(--r-card);
    padding:36px 40px;
    box-shadow:var(--sh-1);
  }
  .cta-inner h2{font-size:26px;margin-bottom:10px;}
  .cta-inner p{font-size:14.5px;color:var(--muted);max-width:560px;line-height:1.8;}

  /* ---------- footer ---------- */
  .site-footer{
    margin-top:88px;
    background:var(--brand);
    color:#EAE4D9;
    padding-top:64px;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.5fr 1fr 1fr 1.2fr;
    gap:40px;
    padding-bottom:44px;
    border-bottom:1px solid rgba(234,228,217,.18);
  }
  .site-footer .brand{color:#FBF8F2;font-size:19px;}
  .site-footer .brand svg{color:var(--celadon);}
  .footer-desc{
    margin-top:16px;
    font-size:14px;
    line-height:1.8;
    color:rgba(234,228,217,.72);
    max-width:280px;
  }
  .footer-col h4{
    font-family:var(--sans);
    font-size:13px;
    letter-spacing:.12em;
    color:rgba(234,228,217,.62);
    margin-bottom:16px;
    font-weight:500;
  }
  .footer-col a{
    display:block;
    padding:7px 0;
    font-size:14px;
    color:rgba(234,228,217,.9);
    transition:color .18s ease;
  }
  .footer-col a:hover{color:var(--amber);text-decoration:underline;text-underline-offset:4px;}
  .footer-col ul li{
    font-size:14px;
    line-height:1.9;
    color:rgba(234,228,217,.78);
  }
  .footer-bottom{
    display:flex;
    flex-wrap:wrap;
    justify-content:space-between;
    gap:12px;
    padding:22px 0 30px;
    font-size:12px;
    color:rgba(234,228,217,.6);
  }

  /* ---------- sticky cta ---------- */
  .sticky-cta{
    position:fixed;
    left:50%;
    bottom:20px;
    transform:translate(-50%,140%);
    width:min(960px,calc(100% - 32px));
    display:flex;
    align-items:center;
    gap:18px;
    padding:14px 18px;
    background:var(--brand);
    color:#FBF8F2;
    border-radius:8px;
    box-shadow:var(--sh-3);
    z-index:70;
    transition:transform .22s ease;
  }
  .sticky-cta.is-visible{transform:translate(-50%,0);}
  .sticky-cta .txt{
    font-size:14px;
    letter-spacing:.02em;
    white-space:nowrap;
    overflow:hidden;
    text-overflow:ellipsis;
  }
  .sticky-cta .btn{margin-left:auto;flex:none;}
  .sticky-close{
    flex:none;
    width:30px;
    height:30px;
    border:0;
    border-radius:var(--r-btn);
    background:rgba(251,248,242,.12);
    color:#FBF8F2;
    font-size:16px;
    line-height:1;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    transition:background .18s ease;
  }
  .sticky-close:hover{background:rgba(251,248,242,.24);}

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

  /* ---------- responsive ---------- */
  @media (max-width:1100px){
    .nav-links{gap:20px;}
    .search-box input{width:110px;}
    .article-layout{grid-template-columns:minmax(0,1fr) 260px;gap:44px;}
  }
  @media (max-width:1024px){
    .article-layout{grid-template-columns:1fr;gap:36px;}
    .article-main{max-width:none;}
    .article-side{position:static;top:auto;flex-direction:row;flex-wrap:wrap;}
    .article-side .side-card{flex:1 1 280px;}
    .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  }
  @media (max-width:900px){
    .nav-links{display:none;}
    .nav-right .search-box{display:none;}
    .burger{display:inline-flex;}
    .nav-right .btn{display:none;}
    .article-head h1{font-size:34px;}
  }
  @media (max-width:640px){
    .container{padding-left:18px;padding-right:18px;}
    .nav{height:64px;gap:14px;}
    .brand{font-size:17px;}
    .brand svg{width:24px;height:24px;}
    .article-top{padding-top:24px;}
    .article-head{padding:18px 0 26px;}
    .article-head h1{font-size:27px;line-height:1.35;margin:14px 0 14px;}
    .article-meta{font-size:12.5px;gap:8px 16px;}
    .article-layout{padding-top:30px;}
    .article-body{font-size:16px;line-height:1.85;}
    .article-body h2{font-size:24px;margin:36px 0 12px;}
    .article-body h3{font-size:20px;margin:28px 0 10px;}
    .article-body blockquote{padding:14px 16px;font-size:15.5px;}
    .related{padding-top:48px;}
    .section-head{flex-direction:column;align-items:flex-start;gap:8px;margin-bottom:22px;}
    .section-head h2{font-size:23px;}
    .related-grid{grid-template-columns:1fr;}
    .cta-band{padding-top:52px;}
    .cta-inner{padding:26px 22px;gap:20px;}
    .cta-inner h2{font-size:22px;}
    .cta-inner .btn{width:100%;}
    .site-footer{margin-top:60px;padding-top:48px;}
    .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:32px;}
    .footer-bottom{flex-direction:column;gap:8px;}
    .sticky-cta{
      left:0;
      bottom:0;
      transform:translateY(140%);
      width:100%;
      border-radius:0;
      padding:10px 14px;
      gap:10px;
      min-height:60px;
    }
    .sticky-cta.is-visible{transform:translateY(0);}
    .sticky-cta .txt{font-size:12.5px;}
    .sticky-cta .btn{height:44px;padding:0 16px;font-size:14px;}
  }

/* roulang page: category1 */
:root{
  --bg:#F7F4EE;--paper:#FFFFFF;--ink:#1B1B19;--muted:#6E6A63;
  --green:#143B36;--green-2:#2E5E57;--amber:#C97A3D;--amber-soft:#F1DFD0;
  --celadon:#7FA9A0;--focus:#4F8C86;--line:#E4DED2;--err:#B4493A;
  --r-card:8px;--r-btn:4px;--r-img:6px;
  --shadow:0 12px 30px rgba(20,59,54,.08);
  --shadow-sm:0 4px 14px rgba(20,59,54,.05);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.8;letter-spacing:.01em}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
::selection{background:var(--amber-soft);color:var(--green)}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--green);font-family:var(--serif);font-size:19px;font-weight:600;letter-spacing:-.01em}
.brand svg{width:28px;height:28px;flex:none}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{position:relative;font-size:14.5px;color:#3A3733;padding:6px 0;transition:color .18s}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--amber);transform:scaleX(0);transform-origin:left;transition:transform .18s}
.nav-links a:hover{color:var(--green)}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-links a.active{color:var(--green);font-weight:600}
.nav-links a:focus-visible{outline:2px solid var(--focus);outline-offset:4px;border-radius:2px}
.nav-right{display:flex;align-items:center;gap:12px}
.search-box{display:flex;align-items:center;gap:8px;width:220px;height:40px;padding:0 14px;background:#F1EDE4;border:1px solid transparent;border-radius:999px;transition:background .18s,border-color .18s,box-shadow .18s}
.search-box:focus-within{background:#fff;border-color:var(--celadon);box-shadow:0 0 0 3px rgba(127,169,160,.28)}
.search-box svg{width:16px;height:16px;color:var(--muted);flex:none}
.search-box input{width:100%;border:0;background:transparent;outline:none;font-size:13.5px;color:var(--ink)}
.search-box input::placeholder{color:#9A948A}
.burger{display:none;align-items:center;justify-content:center;width:40px;height:40px;border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;color:var(--green);cursor:pointer;transition:.18s}
.burger:hover{border-color:var(--green);background:#FBF9F4}
.burger svg{width:20px;height:20px}
.nav-mask{position:fixed;inset:0;background:rgba(20,59,54,.36);opacity:0;pointer-events:none;transition:opacity .22s;z-index:55}
.nav-mask.show{opacity:1;pointer-events:auto}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border:1px solid transparent;border-radius:var(--r-btn);background:var(--green);color:#FBF7EF;font-size:15px;font-weight:500;cursor:pointer;transition:background .18s,color .18s,transform .18s,box-shadow .18s,border-color .18s}
.btn:hover{background:var(--amber);color:#1B1B19;transform:translateY(-1px)}
.btn:active{transform:translateY(1px)}
.btn:focus-visible{outline:none;box-shadow:0 0 0 2px var(--bg),0 0 0 4px var(--focus)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-amber{background:var(--amber);color:#1B1B19}
.btn-amber:hover{background:#FBF7EF;color:var(--green)}
.btn-ghost{background:transparent;color:var(--green);border-color:var(--line)}
.btn-ghost:hover{background:#FBF9F4;border-color:var(--amber);color:var(--amber)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--green-2);font-size:14px;font-weight:500;transition:color .18s}
.link-arrow svg{width:15px;height:15px;transition:transform .18s}
.link-arrow:hover{color:var(--amber)}
.link-arrow:hover svg{transform:translateX(4px)}
.link-arrow:focus-visible{outline:2px solid var(--focus);outline-offset:3px;border-radius:2px}

/* ---------- page head ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);padding:22px 0 0}
.breadcrumb a{transition:color .18s}
.breadcrumb a:hover{color:var(--green)}
.breadcrumb .sep{color:#C3BCAE}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:12px;letter-spacing:.14em;color:var(--green-2)}
.eyebrow::before{content:"";width:24px;height:1px;background:var(--amber)}
.page-head{padding:0 0 0}
.page-head-inner{max-width:900px;padding:34px 0 60px}
.page-title{font-family:var(--serif);font-size:clamp(34px,4.6vw,54px);line-height:1.12;letter-spacing:-.02em;color:var(--green);margin:18px 0 22px}
.lede{font-size:18px;line-height:1.85;color:var(--muted);max-width:700px}
.head-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.tag{display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:999px;background:var(--amber-soft);color:var(--green);font-size:12.5px;letter-spacing:.02em}
.tag-plain{background:#fff;border:1px solid var(--line);color:var(--muted)}

/* ---------- stat band ---------- */
.stat-band{background:var(--amber-soft);border-top:1px solid rgba(201,122,61,.22);border-bottom:1px solid rgba(201,122,61,.22)}
.stat-grid{display:grid;grid-template-columns:repeat(3,1fr)}
.stat{padding:34px 28px 34px 0;border-right:1px solid rgba(201,122,61,.22)}
.stat:last-child{border-right:0}
.stat-num{font-family:var(--serif);font-size:clamp(30px,3.4vw,42px);line-height:1.05;color:var(--green);letter-spacing:-.02em}
.stat-label{font-size:12.5px;color:#7A664F;letter-spacing:.03em;margin-top:10px}

/* ---------- sections ---------- */
.section{padding:88px 0}
.section-tight{padding:64px 0}
.sec-head{max-width:720px;margin-bottom:44px}
.sec-head h2{font-family:var(--serif);font-size:clamp(28px,3.2vw,40px);line-height:1.2;letter-spacing:-.02em;color:var(--green);margin:16px 0 16px}
.sec-head p{font-size:15.5px;color:var(--muted);line-height:1.85}
.split{display:grid;grid-template-columns:5fr 7fr;gap:64px;align-items:start}
.split-6-6{grid-template-columns:6fr 6fr}
.split-7-5{grid-template-columns:7fr 5fr}

/* ---------- prose ---------- */
.prose h2{font-family:var(--serif);font-size:clamp(26px,2.8vw,34px);line-height:1.24;letter-spacing:-.02em;color:var(--green);margin-bottom:22px}
.prose p{font-size:16px;color:#3F3B36;line-height:1.9;margin-bottom:18px}
.prose p:last-child{margin-bottom:0}
.pull{border-left:3px solid var(--amber);background:#FBF7EF;padding:18px 22px;font-size:15px;color:var(--green);line-height:1.85;border-radius:0 var(--r-card) var(--r-card) 0;margin:26px 0}

/* ---------- timeline ---------- */
.timeline{border-left:1px solid var(--line);padding-left:30px}
.tl-item{position:relative;padding-bottom:36px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{content:"";position:absolute;left:-35px;top:7px;width:9px;height:9px;border-radius:50%;background:var(--paper);border:1.5px solid var(--green-2)}
.tl-tag{font-size:12px;letter-spacing:.12em;color:var(--amber)}
.tl-title{font-family:var(--serif);font-size:20px;color:var(--green);margin:8px 0 8px;line-height:1.4}
.tl-desc{font-size:14.5px;color:var(--muted);line-height:1.85}

/* ---------- numbered list ---------- */
.num-list{margin-top:8px}
.num-item{display:grid;grid-template-columns:64px 1fr;gap:24px;padding:30px 20px 30px 8px;border-top:1px solid var(--line);transition:background .18s;border-radius:var(--r-card)}
.num-item:last-child{border-bottom:1px solid var(--line)}
.num-item:hover{background:var(--paper)}
.num{font-family:var(--serif);font-size:26px;line-height:1;color:var(--celadon);letter-spacing:-.02em}
.num-title{font-size:20px;font-weight:600;color:var(--green);margin-bottom:8px;line-height:1.5}
.num-desc{font-size:15px;color:var(--muted);line-height:1.85}

/* ---------- figure ---------- */
.figure{border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);background:var(--paper)}
.figure img{width:100%;height:100%;object-fit:cover;transition:transform .32s ease}
.figure:hover img{transform:scale(1.02)}
.figcap{font-size:13px;color:var(--muted);margin-top:12px;line-height:1.7}

/* ---------- cards ---------- */
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);padding:26px;box-shadow:var(--shadow-sm);transition:border-color .18s,box-shadow .18s,transform .18s}
.card:hover{border-color:var(--green);box-shadow:var(--shadow);transform:translateY(-2px)}
.card h3{font-family:var(--serif);font-size:20px;color:var(--green);line-height:1.45;margin-bottom:10px}
.card p{font-size:14.5px;color:var(--muted);line-height:1.85}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.mini{display:flex;gap:14px;align-items:flex-start;padding:18px 0;border-top:1px solid var(--line)}
.mini:last-child{border-bottom:1px solid var(--line)}
.mini-dot{width:8px;height:8px;border-radius:50%;background:var(--amber);margin-top:11px;flex:none}
.mini-t{font-size:15px;color:var(--ink);font-weight:500;line-height:1.7}
.mini-d{font-size:13.5px;color:var(--muted);line-height:1.8}

/* ---------- faq ---------- */
.faq-wrap{max-width:900px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-btn{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:24px 8px;background:transparent;border:0;text-align:left;font-size:16.5px;color:var(--ink);cursor:pointer;transition:background .18s,color .18s}
.faq-btn:hover{background:#FBF9F4}
.faq-btn:focus-visible{outline:2px solid var(--focus);outline-offset:-2px}
.faq-btn[aria-expanded="true"]{color:var(--green);font-weight:600}
.faq-icon{position:relative;width:16px;height:16px;flex:none}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--green-2);transition:transform .2s,opacity .2s}
.faq-icon::before{left:0;top:7px;width:16px;height:1.5px}
.faq-icon::after{left:7px;top:0;width:1.5px;height:16px}
.faq-btn[aria-expanded="true"] .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-panel{max-height:0;overflow:hidden;transition:max-height .2s ease}
.faq-panel-inner{padding:0 8px 24px;font-size:14.5px;color:var(--muted);line-height:1.9;border-left:3px solid var(--amber);padding-left:16px;margin-left:8px}
.faq-item.open .faq-panel{max-height:400px}

/* ---------- cta ---------- */
.cta{background:var(--green);color:#F3EFE6;border-radius:12px;padding:56px;display:grid;grid-template-columns:1.25fr .75fr;gap:44px;align-items:center}
.cta h2{font-family:var(--serif);font-size:clamp(26px,3vw,36px);line-height:1.24;letter-spacing:-.02em;color:#FBF7EF}
.cta p{margin-top:16px;font-size:15px;color:rgba(243,239,230,.76);line-height:1.85;max-width:460px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}
.cta-note{margin-top:16px;font-size:12.5px;color:rgba(243,239,230,.55);text-align:right}

/* ---------- footer ---------- */
.site-footer{background:var(--green);color:#E9E3D7;padding:80px 0 80px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-grid .brand{color:#FBF7EF;font-size:19px}
.footer-desc{font-size:13.5px;color:rgba(233,227,215,.7);margin-top:16px;max-width:290px;line-height:1.9}
.footer-col h4{font-size:13px;letter-spacing:.1em;color:rgba(233,227,215,.58);margin-bottom:16px;font-weight:500}
.footer-col a{display:block;font-size:14px;padding:6px 0;color:#E9E3D7;transition:color .18s}
.footer-col a:hover{color:var(--amber);text-decoration:underline;text-underline-offset:4px}
.footer-col ul li{font-size:13.5px;color:rgba(233,227,215,.72);line-height:2}
.footer-bottom{margin-top:56px;padding-top:24px;border-top:1px solid rgba(233,227,215,.16);display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;font-size:12px;color:rgba(233,227,215,.55)}

/* ---------- fixed bar ---------- */
.fixed-bar{position:fixed;left:50%;bottom:22px;transform:translate(-50%,150%);width:min(960px,calc(100% - 32px));background:var(--green);color:#F3EFE6;border-radius:8px;padding:14px 18px;display:flex;align-items:center;justify-content:space-between;gap:16px;box-shadow:0 18px 40px rgba(20,59,54,.26);z-index:70;transition:transform .22s ease}
.fixed-bar.show{transform:translate(-50%,0)}
.fixed-bar p{font-size:14px;line-height:1.5}
.bar-close{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border:0;border-radius:4px;background:transparent;color:rgba(243,239,230,.7);cursor:pointer;font-size:18px;line-height:1;transition:.18s}
.bar-close:hover{background:rgba(255,255,255,.12);color:#fff}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .search-box{display:none}
  .burger{display:inline-flex}
  .nav-links{position:fixed;top:0;right:0;height:100vh;width:min(320px,86vw);background:#fff;flex-direction:column;align-items:flex-start;gap:0;padding:88px 24px 32px;transform:translateX(100%);transition:transform .24s ease;box-shadow:-20px 0 40px rgba(20,59,54,.12);z-index:60;overflow-y:auto}
  .nav-links.open{transform:translateX(0)}
  .nav-links a{display:block;width:100%;font-size:16px;line-height:48px;padding:0;border-bottom:1px solid var(--line)}
  .nav-links a::after{display:none}
  .nav-links a.active{color:var(--green);font-weight:600}
  .split,.split-6-6,.split-7-5{grid-template-columns:1fr;gap:40px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .cta{grid-template-columns:1fr;padding:40px;gap:28px}
  .cta-actions{justify-content:flex-start}
  .cta-note{text-align:left}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .section{padding:68px 0}
}
@media (max-width:640px){
  .container{padding:0 18px}
  .section{padding:56px 0}
  .section-tight{padding:48px 0}
  .page-head-inner{padding:26px 0 44px}
  .lede{font-size:16.5px}
  .stat-grid{grid-template-columns:1fr}
  .stat{padding:22px 0;border-right:0;border-bottom:1px solid rgba(201,122,61,.22)}
  .stat:last-child{border-bottom:0}
  .card-grid{grid-template-columns:1fr}
  .num-item{grid-template-columns:44px 1fr;gap:16px;padding:24px 0}
  .num{font-size:22px}
  .cta{padding:30px;border-radius:10px}
  .cta-actions{flex-direction:column;align-items:stretch}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .fixed-bar{left:0;bottom:0;width:100%;border-radius:0;transform:translateY(150%);padding:10px 14px}
  .fixed-bar.show{transform:translateY(0)}
  .fixed-bar p{font-size:13px}
  .fixed-bar .btn{height:44px;padding:0 16px;font-size:14px}
  .breadcrumb{padding-top:16px}
}
@media (min-width:1025px){
  .nav-mask{display:none}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .btn:hover,.card:hover{transform:none}
}

/* roulang page: category2 */
:root{
  --bg:#F7F4EE;
  --paper:#FFFFFF;
  --ink:#1B1B19;
  --muted:#6E6A63;
  --green:#143B36;
  --green-2:#2E5E57;
  --amber:#C97A3D;
  --amber-soft:#F1DFD0;
  --celadon:#7FA9A0;
  --focus:#4F8C86;
  --line:#E4DED2;
  --danger:#B4493A;
  --r-card:8px;
  --r-btn:4px;
  --r-img:6px;
  --shadow-sm:0 4px 14px rgba(20,59,54,.05);
  --shadow:0 12px 30px rgba(20,59,54,.08);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  letter-spacing:.01em;
  padding-bottom:88px;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:inherit;text-decoration:none;transition:color .18s ease;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--ink);}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;letter-spacing:-.02em;margin:0;line-height:1.2;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--focus);outline-offset:3px;border-radius:2px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 0 rgba(20,59,54,.04);
}
.nav{display:flex;align-items:center;gap:28px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--green);font-weight:600;}
.brand svg{width:28px;height:28px;flex:none;}
.brand span{font-family:var(--serif);font-size:19px;letter-spacing:-.01em;}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:8px;}
.nav-links a{
  position:relative;font-size:14.5px;color:#3B3A36;padding:6px 0;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--amber);transform:scaleX(0);transform-origin:left;
  transition:transform .18s ease;
}
.nav-links a:hover{color:var(--green);}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1);}
.nav-links a.active{color:var(--green);font-weight:600;}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:14px;}
.search-box{
  display:flex;align-items:center;gap:8px;
  width:216px;height:40px;padding:0 14px;
  background:#F3EFE7;border:1px solid transparent;border-radius:999px;
  transition:background .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.search-box svg{width:16px;height:16px;color:var(--muted);flex:none;}
.search-box input{
  border:0;background:transparent;width:100%;outline:none;font-size:14px;
}
.search-box input::placeholder{color:#9A958C;}
.search-box:focus-within{background:#fff;border-color:var(--celadon);box-shadow:0 0 0 3px rgba(127,169,160,.22);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-btn);
  background:var(--green);color:#FBF8F2;
  font-size:15px;font-weight:600;letter-spacing:.02em;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn:hover{background:var(--amber);color:#1B1B19;transform:translateY(-1px);box-shadow:var(--shadow);}
.btn:active{transform:translateY(1px);box-shadow:none;}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-outline{
  background:transparent;color:var(--green);border:1px solid var(--green);
}
.btn-outline:hover{background:var(--green);color:#FBF8F2;}
.btn-amber{background:var(--amber);color:#1B1B19;}
.btn-amber:hover{background:#DFAE84;color:#143B36;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--green);
  border-bottom:1px solid transparent;padding-bottom:2px;
}
.link-arrow svg{width:14px;height:14px;transition:transform .18s ease;}
.link-arrow:hover{color:var(--amber);}
.link-arrow:hover svg{transform:translateX(4px);}
.burger{display:none;width:40px;height:40px;align-items:center;justify-content:center;border-radius:var(--r-btn);}
.burger svg{width:22px;height:22px;color:var(--green);}
.burger:hover{background:#F3EFE7;}

/* drawer */
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,30,28,.42);
  opacity:0;pointer-events:none;transition:opacity .22s ease;z-index:80;
}
.drawer-mask.open{opacity:1;pointer-events:auto;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:86%;max-width:340px;
  background:#fff;z-index:90;padding:22px;
  transform:translateX(102%);transition:transform .24s ease;
  display:flex;flex-direction:column;gap:6px;
  box-shadow:-12px 0 40px rgba(20,59,54,.14);
}
.drawer.open{transform:translateX(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px;}
.drawer-close{width:38px;height:38px;border-radius:var(--r-btn);display:flex;align-items:center;justify-content:center;}
.drawer-close:hover{background:#F3EFE7;}
.drawer a.d-link{display:flex;align-items:center;height:48px;font-size:15.5px;color:#3B3A36;border-bottom:1px solid var(--line);}
.drawer a.d-link.active{color:var(--green);font-weight:600;}
.drawer .d-search{margin-top:14px;display:flex;align-items:center;gap:8px;height:44px;padding:0 14px;background:#F3EFE7;border-radius:999px;}
.drawer .d-search input{border:0;background:transparent;width:100%;outline:none;font-size:14px;}
.drawer .btn{width:100%;margin-top:auto;}

/* ---------- breadcrumb ---------- */
.crumb{background:#fff;border-bottom:1px solid var(--line);}
.crumb-inner{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);padding:14px 0;flex-wrap:wrap;}
.crumb-inner a:hover{color:var(--amber);}
.crumb-inner .sep{color:#BFB9AE;}

/* ---------- page head ---------- */
.pagehead{
  background:linear-gradient(180deg,#FFFFFF 0%,#F7F4EE 100%);
  border-bottom:1px solid var(--line);
  padding:56px 0 44px;
}
.pagehead-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;
  background:var(--amber-soft);color:var(--green);
  font-size:12px;letter-spacing:.06em;
}
.pagehead h1{
  font-size:46px;line-height:1.14;margin:18px 0 16px;color:var(--green);
}
.pagehead h1 em{font-style:normal;color:var(--amber);}
.pagehead .lead{font-size:17px;line-height:1.85;color:var(--muted);max-width:560px;}
.filter-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.filter-tags a{
  display:inline-flex;align-items:center;gap:6px;
  height:36px;padding:0 16px;border-radius:999px;
  background:#fff;border:1px solid var(--line);
  font-size:13.5px;color:#3B3A36;
  transition:all .18s ease;
}
.filter-tags a:hover{border-color:var(--green);color:var(--green);box-shadow:var(--shadow-sm);}
.filter-tags a span{font-family:var(--serif);font-size:12px;color:var(--amber);}
.pagehead-figure{position:relative;}
.pagehead-figure img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border:1px solid var(--line);border-radius:var(--r-img);
  box-shadow:var(--shadow);
}
.pagehead-figure .fig-no{
  position:absolute;left:-14px;bottom:-14px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-btn);
  padding:8px 14px;font-family:var(--serif);font-size:13px;color:var(--green);
  letter-spacing:.08em;box-shadow:var(--shadow-sm);
}

/* ---------- sections ---------- */
.section{padding:88px 0;}
.section.tight{padding:66px 0;}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-head{max-width:720px;margin-bottom:46px;}
.sec-head h2{font-size:38px;color:var(--green);line-height:1.2;}
.sec-head p{margin-top:14px;color:var(--muted);font-size:16px;line-height:1.85;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.16em;color:var(--amber);
  text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--amber);}

/* scenario cards */
.scenario-list{display:flex;flex-direction:column;gap:28px;}
.scenario-card{
  display:grid;grid-template-columns:5fr 7fr;gap:0;
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.scenario-card:hover{border-color:var(--green);box-shadow:var(--shadow);transform:translateY(-2px);}
.scenario-card:nth-child(even){grid-template-columns:7fr 5fr;}
.scenario-card:nth-child(even) .sc-figure{order:2;}
.scenario-card:nth-child(even) .sc-body{order:1;}
.sc-figure{position:relative;min-height:280px;overflow:hidden;}
.sc-figure img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .3s ease;}
.scenario-card:hover .sc-figure img{transform:scale(1.02);}
.sc-figure .sc-no{
  position:absolute;top:18px;left:18px;
  background:rgba(255,255,255,.94);color:var(--green);
  font-family:var(--serif);font-size:13px;letter-spacing:.1em;
  padding:6px 12px;border-radius:999px;
}
.sc-body{padding:36px 38px;display:flex;flex-direction:column;}
.sc-body h3{font-size:23px;color:var(--green);margin-bottom:8px;}
.sc-body .sc-sub{font-size:13px;color:var(--amber);letter-spacing:.06em;margin-bottom:16px;}
.sc-points{display:flex;flex-direction:column;gap:10px;margin-bottom:22px;}
.sc-points li{position:relative;padding-left:18px;font-size:14.8px;line-height:1.8;color:#4A4740;}
.sc-points li::before{
  content:"";position:absolute;left:0;top:11px;
  width:6px;height:6px;border-radius:50%;background:var(--celadon);
}
.sc-meta{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px;}
.sc-meta span{
  font-size:12.5px;color:var(--muted);
  border:1px solid var(--line);border-radius:999px;
  padding:4px 12px;background:#FBF9F4;
}
.sc-body .link-arrow{margin-top:auto;}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step;}
.step{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px;position:relative;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.step:hover{border-color:var(--green);box-shadow:var(--shadow-sm);}
.step .num{
  font-family:var(--serif);font-size:30px;color:var(--amber-soft);
  line-height:1;margin-bottom:14px;letter-spacing:-.02em;
}
.step:hover .num{color:var(--amber);}
.step h3{font-size:17px;color:var(--green);margin-bottom:8px;}
.step p{font-size:14px;color:var(--muted);line-height:1.8;}

/* quotes */
.quote-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.quote-card{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);padding:32px 30px 28px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.quote-card:hover{border-color:var(--celadon);box-shadow:var(--shadow-sm);}
.quote-card .mark{
  font-family:var(--serif);font-size:52px;line-height:.7;
  color:var(--amber);opacity:.28;display:block;margin-bottom:10px;
}
.quote-card blockquote{margin:0 0 20px;font-size:15.5px;line-height:1.9;color:#3B3A36;}
.quote-card .who{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--muted);}
.quote-card .who .dot{width:8px;height:8px;border-radius:50%;background:var(--celadon);}

/* faq */
.faq-narrow{max-width:860px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:18px;padding:22px 4px;font-size:17px;font-weight:600;color:var(--ink);
  transition:background .18s ease,color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:#FBF9F4;color:var(--green);}
.faq-item summary .ico{
  flex:none;width:26px;height:26px;border:1px solid var(--line);border-radius:50%;
  display:flex;align-items:center;justify-content:center;color:var(--green);
  transition:transform .2s ease,background .2s ease,border-color .2s ease;
}
.faq-item summary .ico svg{width:12px;height:12px;}
.faq-item[open] summary{color:var(--green);}
.faq-item[open] summary .ico{transform:rotate(45deg);background:var(--amber-soft);border-color:var(--amber-soft);}
.faq-item .faq-body{
  padding:0 4px 24px;font-size:14.8px;line-height:1.9;color:var(--muted);
  border-left:3px solid var(--amber-soft);padding-left:16px;margin-left:2px;margin-bottom:22px;
}

/* cta */
.cta-band{
  background:var(--green);color:#FBF8F2;border-radius:var(--r-card);
  padding:52px 56px;display:grid;grid-template-columns:1.4fr auto;gap:36px;align-items:center;
  box-shadow:var(--shadow);
}
.cta-band h2{font-size:32px;color:#FBF8F2;line-height:1.25;}
.cta-band p{margin-top:12px;font-size:15px;color:#CFDDD8;line-height:1.85;max-width:560px;}
.cta-actions{display:flex;flex-direction:column;gap:12px;align-items:flex-start;}
.cta-actions .note{font-size:12.5px;color:#A9C1BA;}

/* footer */
.site-footer{background:var(--green);color:#E8EFEB;padding:80px 0 40px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.site-footer .brand{color:#FBF8F2;}
.site-footer .brand span{color:#FBF8F2;}
.footer-desc{margin-top:14px;font-size:13.5px;line-height:1.9;color:#A9C1BA;max-width:280px;}
.footer-col h4{font-size:14px;color:#FBF8F2;margin-bottom:16px;font-family:var(--sans);font-weight:600;letter-spacing:.04em;}
.footer-col a{display:block;font-size:14px;color:#C7D8D2;padding:5px 0;}
.footer-col a:hover{color:var(--amber);text-decoration:underline;text-underline-offset:4px;}
.footer-col ul li{font-size:13.5px;color:#A9C1BA;padding:5px 0;line-height:1.8;}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:#93ADA6;
}

/* fixed bar */
.fixed-bar{
  position:fixed;left:50%;bottom:18px;transform:translate(-50%,140%);
  width:calc(100% - 48px);max-width:960px;z-index:70;
  background:var(--green);color:#FBF8F2;border-radius:var(--r-card);
  display:flex;align-items:center;gap:16px;
  padding:12px 16px 12px 22px;box-shadow:0 16px 40px rgba(20,59,54,.28);
  transition:transform .22s ease;opacity:0;
}
.fixed-bar.show{transform:translate(-50%,0);opacity:1;}
.fixed-bar .fb-text{font-size:14px;letter-spacing:.01em;}
.fixed-bar .btn{margin-left:auto;height:40px;padding:0 20px;font-size:14px;}
.fixed-close{
  width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  color:#C7D8D2;flex:none;
}
.fixed-close:hover{background:rgba(255,255,255,.12);color:#fff;}

/* responsive */
@media (max-width:1024px){
  .nav-links,.search-box{display:none;}
  .burger{display:flex;}
  .nav-right .btn{display:none;}
  .pagehead-grid{grid-template-columns:1fr;gap:34px;}
  .pagehead h1{font-size:38px;}
  .section{padding:66px 0;}
  .sec-head h2{font-size:31px;}
  .scenario-card,.scenario-card:nth-child(even){grid-template-columns:1fr;}
  .scenario-card:nth-child(even) .sc-figure,
  .scenario-card:nth-child(even) .sc-body{order:0;}
  .sc-figure{min-height:220px;aspect-ratio:16/9;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .quote-grid{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;padding:40px 32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:640px){
  .container{padding:0 18px;}
  .pagehead{padding:36px 0 30px;}
  .pagehead h1{font-size:31px;line-height:1.24;}
  .pagehead .lead{font-size:15.5px;}
  .sec-head h2{font-size:26px;}
  .section{padding:52px 0;}
  .sc-body{padding:26px 22px;}
  .sc-body h3{font-size:20px;}
  .steps{grid-template-columns:1fr;}
  .cta-band{padding:32px 22px;}
  .cta-band h2{font-size:24px;}
  .faq-item summary{font-size:15.5px;padding:18px 2px;}
  .footer-grid{grid-template-columns:1fr;}
  .site-footer{padding:56px 0 32px;}
  .footer-bottom{margin-top:36px;font-size:11.5px;}
  .fixed-bar{width:calc(100% - 20px);bottom:10px;padding:10px 12px 10px 16px;gap:10px;}
  .fixed-bar .fb-text{font-size:12.5px;line-height:1.5;}
  .fixed-bar .btn{height:44px;padding:0 16px;font-size:13.5px;}
  body{padding-bottom:92px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
  .scenario-card:hover{transform:none;}
  .btn:hover{transform:none;}
}

/* roulang page: category3 */
:root{
  --bg:#F7F4EE;
  --paper:#FFFFFF;
  --ink:#1B1B19;
  --muted:#6E6A63;
  --green:#143B36;
  --green-2:#2E5E57;
  --amber:#C97A3D;
  --amber-soft:#F1DFD0;
  --celadon:#7FA9A0;
  --focus:#4F8C86;
  --line:#E4DED2;
  --error:#B4493A;
  --radius-card:8px;
  --radius-btn:4px;
  --shadow-sm:0 6px 18px rgba(20,59,54,.06);
  --shadow-md:0 12px 30px rgba(20,59,54,.08);
  --shadow-lg:0 20px 44px rgba(20,59,54,.14);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  color:var(--ink);
  background:var(--bg);
  padding-bottom:80px;
}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;letter-spacing:-.02em;color:var(--green);margin:0}
p{margin:0}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--focus);outline-offset:3px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 0 rgba(20,59,54,.04);
}
.nav{display:flex;align-items:center;gap:26px;height:72px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--serif);font-size:19px;color:var(--green);letter-spacing:-.01em;transition:opacity .18s}
.brand:hover{opacity:.8}
.brand svg{width:28px;height:28px;flex:none;color:var(--green-2)}
.nav-links{display:flex;align-items:center;gap:24px;margin-left:6px}
.nav-links a{position:relative;font-size:15px;color:#3A3833;padding:6px 0;transition:color .18s}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--amber);transform:scaleX(0);transform-origin:left;
  transition:transform .18s ease;
}
.nav-links a:hover{color:var(--green)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--green);font-weight:600}
.nav-links a.active::after{transform:scaleX(1)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:14px}
.search-box{
  display:flex;align-items:center;gap:8px;
  width:220px;height:40px;padding:0 14px;
  background:#F1EDE4;border-radius:999px;
  border:1px solid transparent;
  transition:background .18s,border-color .18s,box-shadow .18s;
}
.search-box svg{width:16px;height:16px;color:var(--muted);flex:none}
.search-box input{
  border:0;background:transparent;outline:none;width:100%;
  font-size:14px;color:var(--ink);font-family:var(--sans);
}
.search-box input::placeholder{color:#9C968C}
.search-box:focus-within{background:#fff;border-color:var(--celadon);box-shadow:0 0 0 3px rgba(79,140,134,.16)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:46px;padding:0 24px;border-radius:var(--radius-btn);
  background:var(--green);color:#F7F4EE;border:1px solid var(--green);
  font-size:15px;font-weight:500;letter-spacing:.02em;cursor:pointer;
  transition:background .18s,color .18s,transform .18s,border-color .18s,box-shadow .18s;
}
.btn:hover{background:var(--amber);border-color:var(--amber);color:#1B1B19;transform:translateY(-1px);box-shadow:var(--shadow-sm)}
.btn:active{transform:translateY(1px);box-shadow:none}
.btn:focus-visible{outline:2px solid var(--focus);outline-offset:3px}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-amber{background:var(--amber);border-color:var(--amber);color:#1B1B19}
.btn-amber:hover{background:#F7F4EE;border-color:#F7F4EE;color:var(--green)}
.btn-block{width:100%}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;color:var(--green);border-bottom:1px solid transparent;
  padding-bottom:2px;transition:color .18s,border-color .18s;
}
.link-arrow svg{width:16px;height:16px;transition:transform .18s}
.link-arrow:hover{color:var(--amber);border-color:var(--amber)}
.link-arrow:hover svg{transform:translateX(4px)}
.burger{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:var(--radius-btn);
  background:transparent;border:1px solid var(--line);cursor:pointer;
}
.burger svg{width:22px;height:22px;color:var(--green)}

/* ---------- drawer ---------- */
.drawer-overlay{
  position:fixed;inset:0;background:rgba(20,59,54,.34);
  opacity:0;visibility:hidden;transition:opacity .22s,visibility .22s;z-index:80;
}
.drawer-overlay.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:320px;max-width:88vw;
  background:#fff;z-index:90;display:flex;flex-direction:column;
  transform:translateX(100%);transition:transform .24s ease;
  box-shadow:-20px 0 50px rgba(20,59,54,.16);
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:20px 22px;border-bottom:1px solid var(--line)}
.drawer-head span{font-family:var(--serif);font-size:17px;color:var(--green)}
.drawer-close{background:none;border:0;font-size:26px;line-height:1;color:var(--muted);cursor:pointer;padding:4px 8px;border-radius:4px}
.drawer-close:hover{color:var(--green)}
.drawer-links{display:flex;flex-direction:column;padding:8px 0;overflow-y:auto;flex:1}
.drawer-links a{
  padding:0 22px;height:48px;display:flex;align-items:center;
  font-size:15px;color:#3A3833;border-left:3px solid transparent;
  transition:background .18s,color .18s,border-color .18s;
}
.drawer-links a:hover,.drawer-links a.active{background:#FBF9F4;color:var(--green);border-left-color:var(--amber)}
.drawer-foot{padding:18px 22px 24px;border-top:1px solid var(--line);display:grid;gap:12px}
.search-box--full{width:100%}

/* ---------- page head ---------- */
.page-head{
  position:relative;
  padding:56px 0 48px;
  border-bottom:1px solid var(--line);
  background-image:linear-gradient(90deg,rgba(247,244,238,.97) 0%,rgba(247,244,238,.92) 52%,rgba(247,244,238,.72) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13px;color:var(--muted);margin-bottom:20px}
.breadcrumb a{color:var(--muted);transition:color .18s}
.breadcrumb a:hover{color:var(--green)}
.breadcrumb .sep{color:#C3BCAE}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  background:var(--amber-soft);color:var(--green);
  font-size:12px;letter-spacing:.04em;font-weight:500;
}
.page-head h1{
  font-size:clamp(34px,4.4vw,52px);
  line-height:1.15;
  margin:18px 0 16px;
  max-width:860px;
}
.page-head .lead{font-size:18px;color:var(--muted);max-width:640px;line-height:1.85}
.head-facts{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.head-facts span{
  font-size:13px;color:var(--green-2);
  border:1px solid var(--line);background:rgba(255,255,255,.7);
  padding:6px 14px;border-radius:999px;
}

/* ---------- sections ---------- */
section{position:relative}
.section{padding:76px 0}
.section-tight{padding:56px 0}
.section-head{max-width:720px;margin-bottom:36px}
.section-head .eyebrow{font-size:12px;letter-spacing:.14em;color:var(--amber);text-transform:uppercase;font-weight:600;display:block;margin-bottom:12px}
.section-head h2{font-size:clamp(28px,3.4vw,40px);line-height:1.2;margin-bottom:14px}
.section-head p{color:var(--muted);font-size:16px}

/* ---------- two column: timeline + form ---------- */
.custom-grid{display:grid;grid-template-columns:1fr 420px;gap:56px;align-items:start}
.timeline{list-style:none;margin:0;padding:0}
.timeline li{position:relative;display:grid;grid-template-columns:44px 1fr;gap:18px;padding-bottom:30px}
.timeline li:last-child{padding-bottom:0}
.timeline li:not(:last-child)::before{
  content:"";position:absolute;left:21px;top:46px;bottom:2px;width:1px;background:var(--line);
}
.step-num{
  width:44px;height:44px;border-radius:999px;background:#fff;
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  font-family:var(--serif);font-size:16px;color:var(--green);
  transition:border-color .18s,color .18s,background .18s;
}
.timeline li:hover .step-num{border-color:var(--green-2);background:#FBF9F4;color:var(--green-2)}
.timeline h3{font-size:20px;margin-bottom:6px;line-height:1.4}
.timeline p{color:var(--muted);font-size:15px;line-height:1.85}

.form-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px;box-shadow:var(--shadow-md);
}
.form-card h3{font-size:22px;margin-bottom:8px}
.form-card .form-note{font-size:13px;color:var(--muted);margin-bottom:22px;line-height:1.7}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;color:#3A3833;margin-bottom:6px;font-weight:500}
.field input,.field select,.field textarea{
  width:100%;height:46px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--radius-btn);
  background:#fff;color:var(--ink);font-size:15px;font-family:var(--sans);
  transition:border-color .18s,box-shadow .18s;
}
.field textarea{height:auto;min-height:96px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--focus);box-shadow:0 0 0 3px rgba(79,140,134,.18);
}
.field .hint{display:block;font-size:12px;color:#9C968C;margin-top:6px}
.check{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--muted);line-height:1.7;margin-bottom:20px}
.check input{width:16px;height:16px;margin-top:4px;accent-color:var(--green-2);flex:none}
.form-foot{font-size:12px;color:#9C968C;margin-top:14px;line-height:1.7}

/* ---------- scope list ---------- */
.scope-wrap{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.scope-list{border-top:1px solid var(--line)}
.scope-list li{
  display:grid;grid-template-columns:56px 1fr;gap:16px;align-items:baseline;
  padding:20px 0;border-bottom:1px solid var(--line);
  transition:background .18s,padding-left .18s;
}
.scope-list li:hover{background:#FBF9F4;padding-left:8px}
.scope-list .no{font-family:var(--serif);font-size:15px;color:var(--amber);letter-spacing:.04em}
.scope-list h3{font-size:19px;margin-bottom:4px;line-height:1.4}
.scope-list p{font-size:14px;color:var(--muted);line-height:1.8}
.scope-media{border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-sm)}
.scope-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .2s}
.scope-media:hover img{transform:scale(1.02)}
.scope-media figcaption{font-size:13px;color:var(--muted);padding:14px 18px;border-top:1px solid var(--line);background:#fff}

/* ---------- delivery ---------- */
.deliver-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:8px}
.deliver-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px;box-shadow:var(--shadow-sm);
  transition:border-color .18s,box-shadow .18s,transform .18s;
}
.deliver-card:hover{border-color:var(--green-2);box-shadow:var(--shadow-md);transform:translateY(-2px)}
.deliver-card h3{font-size:20px;margin-bottom:14px}
.deliver-card ul li{
  position:relative;padding-left:18px;font-size:15px;color:var(--muted);
  line-height:1.85;margin-bottom:10px;
}
.deliver-card ul li:last-child{margin-bottom:0}
.deliver-card ul li::before{
  content:"";position:absolute;left:0;top:12px;width:6px;height:6px;
  border-radius:999px;background:var(--celadon);
}

/* ---------- faq ---------- */
.faq-wrap{max-width:900px;margin:0 auto;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:none;border:0;padding:22px 0;text-align:left;cursor:pointer;
  font-size:17px;font-weight:500;color:var(--ink);font-family:var(--sans);
  transition:color .18s,background .18s;
}
.faq-q:hover{color:var(--green);background:#FBF9F4}
.faq-icon{
  flex:none;width:22px;height:22px;position:relative;
  transition:transform .2s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--green-2);border-radius:2px;
}
.faq-icon::before{left:0;right:0;top:10px;height:1.6px}
.faq-icon::after{top:0;bottom:0;left:10px;width:1.6px;transition:opacity .2s}
.faq-item.open .faq-icon{transform:rotate(180deg)}
.faq-item.open .faq-icon::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease}
.faq-item.open .faq-a{max-height:320px}
.faq-a p{padding:0 0 22px;font-size:15px;color:var(--muted);line-height:1.85;max-width:760px;border-left:3px solid var(--amber-soft);padding-left:16px}

/* ---------- cta band ---------- */
.cta-band{background:var(--green);color:#F7F4EE;padding:56px 0}
.cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px}
.cta-band h2{color:#F7F4EE;font-size:clamp(26px,3vw,34px);line-height:1.25;margin-bottom:10px}
.cta-band p{color:rgba(247,244,238,.74);font-size:15px;max-width:560px}
.cta-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.cta-band .btn{background:var(--amber);border-color:var(--amber);color:#1B1B19}
.cta-band .btn:hover{background:#F7F4EE;border-color:#F7F4EE;color:var(--green)}
.cta-band .link-arrow{color:#F7F4EE}
.cta-band .link-arrow:hover{color:var(--amber);border-color:var(--amber)}

/* ---------- footer ---------- */
.site-footer{background:var(--green);color:#EDE8DE;padding:72px 0 40px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px}
.site-footer .brand{color:#F7F4EE;font-size:19px}
.site-footer .brand svg{color:var(--celadon)}
.footer-desc{font-size:14px;color:rgba(237,232,222,.7);margin-top:14px;max-width:260px;line-height:1.8}
.footer-col h4{font-size:14px;color:#F7F4EE;font-family:var(--sans);font-weight:600;letter-spacing:.06em;margin-bottom:14px}
.footer-col a{display:block;font-size:14px;color:rgba(237,232,222,.78);padding:5px 0;transition:color .18s}
.footer-col a:hover{color:var(--amber);text-decoration:underline;text-underline-offset:4px}
.footer-col ul li{font-size:14px;color:rgba(237,232,222,.78);padding:5px 0;line-height:1.7}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(237,232,222,.16);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12px;color:rgba(237,232,222,.6);
}

/* ---------- sticky cta ---------- */
.sticky-cta{
  position:fixed;left:50%;bottom:20px;z-index:60;
  width:calc(100% - 48px);max-width:960px;
  transform:translateX(-50%) translateY(160%);
  display:flex;align-items:center;gap:16px;
  background:var(--green);color:#F7F4EE;
  border-radius:var(--radius-card);padding:12px 18px;
  box-shadow:var(--shadow-lg);
  transition:transform .22s ease;
}
.sticky-cta.show{transform:translateX(-50%) translateY(0)}
.sticky-cta p{font-size:14px;flex:1;min-width:0}
.sticky-close{
  background:none;border:0;color:rgba(247,244,238,.72);
  font-size:22px;line-height:1;cursor:pointer;padding:4px 6px;border-radius:4px;
}
.sticky-close:hover{color:#F7F4EE}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .nav-links{display:none}
  .search-box{display:none}
  .burger{display:flex}
  .custom-grid{grid-template-columns:1fr;gap:40px}
  .scope-wrap{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:60px 0}
}
@media (max-width:768px){
  .page-head{padding:40px 0 36px}
  .page-head .lead{font-size:16px}
  .deliver-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .timeline li{grid-template-columns:38px 1fr;gap:14px}
  .step-num{width:38px;height:38px;font-size:14px}
  .timeline li:not(:last-child)::before{left:18px;top:40px}
}
@media (max-width:640px){
  .container{padding:0 18px}
  .page-head h1{font-size:32px}
  .section{padding:48px 0}
  .form-card{padding:22px}
  .sticky-cta{bottom:0;left:0;transform:translateY(160%);width:100%;max-width:none;border-radius:0;padding:8px 14px;gap:10px}
  .sticky-cta.show{transform:translateY(0)}
  .sticky-cta p{font-size:13px}
  .sticky-cta .btn{height:44px;padding:0 16px;font-size:14px}
  .footer-bottom{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}

/* roulang page: category4 */
:root{
  --bg:#F7F4EE;
  --paper:#FFFFFF;
  --paper-soft:#FBF9F4;
  --ink:#1B1B19;
  --ink-2:#3A3833;
  --muted:#6E6A63;
  --brand:#143B36;
  --brand-2:#2E5E57;
  --amber:#C97A3D;
  --amber-soft:#F1DFD0;
  --celadon:#7FA9A0;
  --focus:#4F8C86;
  --line:#E4DED2;
  --danger:#B4493A;
  --ok:#2E5E57;
  --radius-card:8px;
  --radius-btn:4px;
  --radius-img:6px;
  --shadow-sm:0 4px 14px rgba(20,59,54,.05);
  --shadow-md:0 12px 30px rgba(20,59,54,.08);
  --shadow-lg:0 18px 44px rgba(20,59,54,.13);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC","Songti TC",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:0 0 96px;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;}
a:hover{color:var(--amber);}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px;}
.serif{font-family:var(--font-serif);}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 0 rgba(20,59,54,.03);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--brand);font-family:var(--font-serif);font-size:19px;letter-spacing:-.01em;transition:color .18s;}
.brand:hover{color:var(--brand-2);}
.brand svg{width:28px;height:28px;flex:0 0 auto;}
.nav-links{display:flex;align-items:center;gap:26px;font-size:14.5px;}
.nav-links a{position:relative;padding:6px 0;color:var(--ink-2);transition:color .18s;}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--amber);
  transform:scaleX(0);transform-origin:left;transition:transform .2s ease;border-radius:2px;
}
.nav-links a:hover{color:var(--brand);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--brand);font-weight:600;}
.nav-links a.active::after{transform:scaleX(1);}
.nav-right{display:flex;align-items:center;gap:12px;}
.search-box{
  display:flex;align-items:center;gap:8px;height:40px;width:220px;padding:0 14px;
  background:#F1EDE5;border:1px solid transparent;border-radius:999px;transition:all .18s;
}
.search-box svg{width:16px;height:16px;color:var(--muted);flex:0 0 auto;}
.search-box input{width:100%;border:0;background:transparent;font-size:14px;color:var(--ink);outline:none;}
.search-box input::placeholder{color:#9A948A;}
.search-box:focus-within{background:var(--paper);border-color:var(--focus);box-shadow:0 0 0 3px rgba(79,140,134,.16);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--radius-btn);
  background:var(--brand);color:#FBF7F0;font-size:15px;font-weight:500;
  border:1px solid var(--brand);cursor:pointer;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn:hover{background:var(--amber);border-color:var(--amber);color:#1B1B19;transform:translateY(-1px);box-shadow:0 8px 20px rgba(201,122,61,.24);}
.btn:active{transform:translateY(1px);box-shadow:none;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-outline{background:transparent;color:var(--brand);border-color:var(--line);}
.btn-outline:hover{background:var(--amber);border-color:var(--amber);color:#1B1B19;}
.burger{
  display:none;width:40px;height:40px;align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--line);border-radius:var(--radius-btn);
  color:var(--brand);cursor:pointer;transition:background .18s,border-color .18s;
}
.burger:hover{background:var(--paper-soft);border-color:var(--celadon);}
.burger svg{width:20px;height:20px;}

/* ---------- drawer ---------- */
.scrim{position:fixed;inset:0;background:rgba(20,40,36,.42);opacity:0;pointer-events:none;transition:opacity .26s ease;z-index:70;}
.scrim.show{opacity:1;pointer-events:auto;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(360px,88vw);z-index:80;
  background:var(--paper);box-shadow:-24px 0 48px rgba(20,59,54,.16);
  transform:translateX(102%);transition:transform .26s ease;
  display:flex;flex-direction:column;padding:20px 22px 26px;overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);}
.drawer-head .brand{font-size:17px;}
.drawer-close{width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:transparent;border:1px solid var(--line);border-radius:var(--radius-btn);color:var(--brand);cursor:pointer;}
.drawer-close svg{width:18px;height:18px;}
.drawer .search-box{width:100%;margin:18px 0 8px;background:#F1EDE5;}
.drawer-nav{display:flex;flex-direction:column;margin-top:6px;}
.drawer-nav a{padding:14px 2px;border-bottom:1px solid var(--line);font-size:16px;color:var(--ink-2);}
.drawer-nav a.active{color:var(--brand);font-weight:600;}
.drawer-cta{margin-top:22px;width:100%;}

/* ---------- breadcrumb & page head ---------- */
.crumb{padding:22px 0 0;font-size:13px;color:var(--muted);}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--amber);}
.crumb span.sep{margin:0 8px;color:#BFB9AC;}
.page-head{padding:26px 0 0;}
.page-head h1{
  font-family:var(--font-serif);font-size:clamp(32px,4.2vw,46px);line-height:1.16;
  letter-spacing:-.02em;color:var(--brand);font-weight:600;max-width:18em;
}
.page-head .lede{margin-top:18px;font-size:18px;line-height:1.75;color:var(--muted);max-width:640px;}
.head-rule{margin-top:32px;height:1px;background:linear-gradient(90deg,var(--line),rgba(228,222,210,0));}

/* ---------- search / chips ---------- */
.faq-search-wrap{margin-top:28px;display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.faq-search{
  display:flex;align-items:center;gap:10px;flex:1 1 320px;max-width:520px;height:48px;
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-btn);padding:0 16px;
  transition:border-color .18s,box-shadow .18s;
}
.faq-search svg{width:18px;height:18px;color:var(--muted);flex:0 0 auto;}
.faq-search input{flex:1;border:0;outline:none;background:transparent;font-size:15px;color:var(--ink);}
.faq-search input::placeholder{color:#9A948A;}
.faq-search:focus-within{border-color:var(--focus);box-shadow:0 0 0 3px rgba(79,140,134,.16);}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.chip{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:999px;
  border:1px solid var(--line);background:var(--paper);color:var(--ink-2);font-size:13px;
  transition:all .18s ease;
}
.chip:hover{border-color:var(--celadon);color:var(--brand);background:var(--paper-soft);}
.chip.on{background:var(--amber-soft);border-color:#E3C6AC;color:var(--brand);font-weight:600;}

/* ---------- layout ---------- */
.section{padding:64px 0 0;}
.faq-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:52px;align-items:start;}
.faq-group{margin-bottom:38px;}
.faq-group:last-child{margin-bottom:0;}
.group-title{
  display:flex;align-items:baseline;gap:12px;
  font-family:var(--font-serif);font-size:25px;line-height:1.3;letter-spacing:-.01em;
  color:var(--brand);margin-bottom:6px;
}
.group-title .num{
  font-size:13px;font-family:var(--font-sans);color:var(--amber);letter-spacing:.12em;font-weight:600;
}
.group-note{font-size:14px;color:var(--muted);margin-bottom:10px;}

/* ---------- accordion ---------- */
.faq-item{
  border-bottom:1px solid var(--line);
  padding-left:0;
  transition:padding-left .2s ease,box-shadow .2s ease,background .2s ease;
}
.faq-item:first-of-type{border-top:1px solid var(--line);}
.faq-item.open{padding-left:14px;box-shadow:inset 3px 0 0 var(--amber);}
.faq-item h3{margin:0;font-size:16px;font-weight:500;line-height:1.6;font-family:var(--font-sans);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 4px;background:transparent;border:0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--ink);transition:color .18s,background .18s;
}
.faq-q:hover{color:var(--brand);background:#FBF9F4;}
.faq-item.open .faq-q{color:var(--brand);}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:999px;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--brand-2);
  transition:transform .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.faq-icon svg{width:13px;height:13px;}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--amber);border-color:var(--amber);color:#fff;}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .2s ease;}
.faq-item.open .faq-a{grid-template-rows:1fr;}
.faq-a > div{overflow:hidden;}
.faq-a p{
  font-size:14.5px;line-height:1.85;color:var(--muted);
  padding:0 44px 20px 4px;
}

/* ---------- aside ---------- */
.aside{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.aside-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);overflow:hidden;transition:box-shadow .18s ease,border-color .18s ease;
}
.aside-card:hover{box-shadow:var(--shadow-md);border-color:#D6CFC0;}
.aside-card .thumb{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0;}
.aside-body{padding:22px;}
.aside-body h3{font-family:var(--font-serif);font-size:20px;color:var(--brand);line-height:1.4;margin-bottom:10px;}
.aside-body p{font-size:14px;color:var(--muted);line-height:1.8;}
.aside-list{margin-top:16px;border-top:1px solid var(--line);}
.aside-list li{
  display:flex;justify-content:space-between;gap:12px;
  font-size:13.5px;color:var(--muted);padding:11px 0;border-bottom:1px dashed var(--line);
}
.aside-list li:last-child{border-bottom:0;}
.aside-list strong{color:var(--ink);font-weight:600;}
.aside-body .btn{margin-top:18px;width:100%;}
.note-card{padding:20px 22px;background:var(--paper-soft);border:1px solid var(--line);border-radius:var(--radius-card);}
.note-card h3{font-size:15px;color:var(--brand);font-weight:600;margin-bottom:8px;}
.note-card p{font-size:13.5px;color:var(--muted);line-height:1.8;}

/* ---------- stats band ---------- */
.band{margin-top:72px;background:var(--amber-soft);border-top:1px solid #E6CDB6;border-bottom:1px solid #E6CDB6;}
.band .container{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;padding-top:34px;padding-bottom:34px;}
.band-item{border-left:1px solid rgba(201,122,61,.35);padding-left:20px;}
.band-item:first-child{border-left:0;padding-left:0;}
.band-num{font-family:var(--font-serif);font-size:clamp(30px,3.4vw,42px);line-height:1.1;color:var(--brand);letter-spacing:-.02em;}
.band-label{margin-top:8px;font-size:12.5px;color:#7A6A57;letter-spacing:.04em;}

/* ---------- closing cta ---------- */
.closing{margin-top:64px;}
.closing-inner{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:40px 36px;display:flex;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:var(--shadow-sm);
}
.closing-inner h2{font-family:var(--font-serif);font-size:clamp(22px,2.6vw,30px);color:var(--brand);line-height:1.35;letter-spacing:-.01em;}
.closing-inner p{margin-top:10px;font-size:15px;color:var(--muted);max-width:560px;line-height:1.8;}
.closing-actions{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto;}

/* ---------- footer ---------- */
.site-footer{margin-top:80px;background:var(--brand);color:#EDE7DA;padding:72px 0 28px;}
.site-footer .brand{color:#F6F1E6;font-size:19px;}
.site-footer .brand:hover{color:var(--amber);}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;}
.footer-desc{margin-top:14px;font-size:14px;line-height:1.8;color:#B9C7C1;max-width:260px;}
.footer-col h4{
  font-size:12.5px;letter-spacing:.14em;color:#9FB3AC;font-weight:600;
  margin-bottom:14px;text-transform:none;
}
.footer-col a{display:block;font-size:14px;color:#DCD5C6;padding:6px 0;transition:color .18s;}
.footer-col a:hover{color:var(--amber);text-decoration:underline;text-underline-offset:3px;}
.footer-col ul li{font-size:13.5px;color:#C3CFC9;padding:5px 0;line-height:1.7;}
.footer-bottom{
  margin-top:46px;padding-top:20px;border-top:1px solid rgba(237,231,218,.18);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:#A9BAB3;
}

/* ---------- fixed cta bar ---------- */
.cta-bar{
  position:fixed;left:50%;bottom:18px;transform:translate(-50%,140%);
  width:min(960px,calc(100% - 32px));z-index:55;
  background:var(--brand);color:#F3EEE2;border-radius:var(--radius-card);
  box-shadow:var(--shadow-lg);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:12px 16px 12px 22px;
  transition:transform .22s ease,opacity .22s ease;opacity:0;
}
.cta-bar.show{transform:translate(-50%,0);opacity:1;}
.cta-bar .bar-text{font-size:14px;line-height:1.5;}
.cta-bar .bar-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.cta-bar .btn{background:var(--amber);border-color:var(--amber);color:#1B1B19;height:42px;font-size:14px;}
.cta-bar .btn:hover{background:#F1DFD0;border-color:#F1DFD0;color:var(--brand);}
.bar-close{
  width:34px;height:34px;display:flex;align-items:center;justify-content:center;
  background:transparent;border:1px solid rgba(243,238,226,.3);border-radius:999px;
  color:#DCD5C6;cursor:pointer;transition:border-color .18s,color .18s;
}
.bar-close:hover{border-color:var(--amber);color:var(--amber);}
.bar-close svg{width:14px;height:14px;}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .nav-links{display:none;}
  .search-box{display:none;}
  .burger{display:flex;}
  .faq-layout{grid-template-columns:minmax(0,1fr);gap:36px;}
  .aside{position:static;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .closing-inner{flex-direction:column;align-items:flex-start;}
  .page-head h1{max-width:none;}
}
@media (max-width:768px){
  .section{padding-top:52px;}
  .page-head .lede{font-size:16.5px;}
  .faq-a p{padding-right:12px;}
  .band .container{grid-template-columns:1fr;gap:18px;}
  .band-item{border-left:0;padding-left:0;border-top:1px solid rgba(201,122,61,.28);padding-top:14px;}
  .band-item:first-child{border-top:0;padding-top:0;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .site-footer{padding-top:56px;}
}
@media (max-width:640px){
  body{padding-bottom:112px;}
  .container{padding:0 18px;}
  .nav{height:64px;}
  .brand{font-size:17px;}
  .brand svg{width:24px;height:24px;}
  .nav-right .btn:not(.burger){height:36px;padding:0 14px;font-size:13px;}
  .page-head h1{font-size:32px;line-height:1.24;}
  .group-title{font-size:21px;}
  .faq-q{font-size:15px;padding:16px 2px;}
  .faq-item.open{padding-left:10px;}
  .closing-inner{padding:28px 22px;}
  .closing-actions .btn{width:100%;}
  .cta-bar{
    left:0;bottom:0;transform:translate(0,140%);
    width:100%;border-radius:0;padding:8px 14px;height:60px;
  }
  .cta-bar.show{transform:translate(0,0);}
  .cta-bar .bar-text{font-size:13px;}
  .cta-bar .btn{height:44px;font-size:13.5px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;animation-iteration-count:1 !important;
    transition-duration:.001ms !important;scroll-behavior:auto !important;
  }
  .btn:hover,.chip:hover{transform:none;}
}

/* roulang page: category5 */
:root{
  --bg:#F7F4EE;
  --paper:#FFFFFF;
  --ink:#1B1B19;
  --muted:#6E6A63;
  --green:#143B36;
  --green-2:#2E5E57;
  --amber:#C97A3D;
  --amber-light:#F1DFD0;
  --celadon:#7FA9A0;
  --focus:#4F8C86;
  --line:#E4DED2;
  --error:#B4493A;
  --ok:#2E5E57;
  --radius-card:8px;
  --radius-btn:4px;
  --radius-img:6px;
  --shadow:0 12px 30px rgba(20,59,54,.08);
  --shadow-soft:0 4px 16px rgba(20,59,54,.05);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  padding-bottom:80px;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease,box-shadow .18s ease,transform .18s ease}
button{font-family:inherit}
ul,ol{list-style:none;margin:0;padding:0}
p{margin:0}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  box-shadow:0 2px 14px rgba(20,59,54,.05);
}
.nav{display:flex;align-items:center;gap:28px;height:72px}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--serif);font-size:19px;font-weight:600;
  color:var(--green);white-space:nowrap;letter-spacing:-.01em;
}
.brand svg{width:28px;height:28px;color:var(--green-2);flex:none}
.brand:hover{color:var(--green-2)}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{
  position:relative;font-size:14.5px;color:#3A3733;padding:6px 0;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--amber);transform:scaleX(0);transform-origin:left;
  transition:transform .18s ease;
}
.nav-links a:hover{color:var(--green)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--green);font-weight:600}
.nav-links a.active::after{transform:scaleX(1)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:14px}
.search-box{
  display:flex;align-items:center;gap:8px;
  width:224px;height:40px;padding:0 14px;
  background:#F3F0E9;border:1px solid transparent;border-radius:999px;
  transition:background .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.search-box svg{width:16px;height:16px;color:var(--muted);flex:none}
.search-box input{
  width:100%;border:0;background:transparent;outline:none;
  font-size:13.5px;color:var(--ink);font-family:inherit;
}
.search-box input::placeholder{color:#9B958B}
.search-box:focus-within{background:#fff;border-color:var(--celadon);box-shadow:0 0 0 2px rgba(79,140,134,.22)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border:1px solid transparent;border-radius:var(--radius-btn);
  background:var(--green);color:#FBFAF6;font-size:15px;font-weight:600;
  cursor:pointer;transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn:hover{background:var(--amber);color:#17150F;transform:translateY(-1px)}
.btn:active{transform:translateY(1px)}
.btn:focus-visible{outline:2px solid var(--celadon);outline-offset:2px}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-amber{background:var(--amber);color:#17150F}
.btn-amber:hover{background:#D98B4E;color:#17150F}
.btn-ghost{background:transparent;color:var(--green);border-color:var(--line)}
.btn-ghost:hover{background:#fff;border-color:var(--green);color:var(--green);transform:translateY(-1px)}

.burger{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border:1px solid var(--line);border-radius:var(--radius-btn);
  background:#fff;color:var(--green);cursor:pointer;
}
.burger svg{width:20px;height:20px}

/* ============ 移动抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;background:rgba(18,32,29,.44);z-index:80;
  opacity:0;pointer-events:none;transition:opacity .2s ease;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(344px,86vw);
  background:#fff;z-index:90;padding:20px 22px 28px;
  display:flex;flex-direction:column;gap:18px;overflow-y:auto;
  transform:translateX(104%);transition:transform .26s ease;
  box-shadow:-16px 0 40px rgba(20,59,54,.14);
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer-close{
  width:40px;height:40px;border:1px solid var(--line);border-radius:var(--radius-btn);
  background:#fff;color:var(--green);font-size:22px;line-height:1;cursor:pointer;
}
.drawer-links{display:flex;flex-direction:column}
.drawer-links a{
  display:flex;align-items:center;height:48px;font-size:15px;
  border-bottom:1px solid var(--line);color:#2C2A26;
}
.drawer-links a.active{color:var(--green);font-weight:600;border-bottom-color:var(--amber)}
.drawer-search{width:100%}
.drawer .btn{width:100%}

/* ============ 内页页头 ============ */
.page-head{
  position:relative;overflow:hidden;
  padding:40px 0 64px;
  background:linear-gradient(180deg,#FFFDF8 0%,var(--bg) 100%);
  border-bottom:1px solid var(--line);
}
.page-head::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  opacity:.07;pointer-events:none;
}
.page-head .container{position:relative;z-index:1}
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);margin-bottom:26px;
}
.breadcrumb a:hover{color:var(--green);text-decoration:underline;text-underline-offset:3px}
.breadcrumb span{color:#B7B0A4}

.page-head-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.14em;
  color:var(--green-2);font-weight:600;margin-bottom:14px;
  padding:4px 12px;border:1px solid rgba(46,94,87,.28);border-radius:999px;
  background:rgba(127,169,160,.10);
}
.page-head h1{
  font-family:var(--serif);font-size:clamp(32px,4.2vw,50px);line-height:1.16;
  letter-spacing:-.02em;color:var(--green);font-weight:600;margin:0 0 18px;
}
.page-sub{font-size:17px;line-height:1.85;color:var(--muted);max-width:560px;margin-bottom:26px}

.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;
  font-size:13px;color:#4A453E;background:#fff;
  border:1px solid var(--line);border-radius:999px;
  transition:border-color .18s ease,color .18s ease,background .18s ease;
}
.chip:hover{border-color:var(--green-2);color:var(--green)}
.chip.is-active{background:var(--green);border-color:var(--green);color:#FBFAF6;font-weight:600}

.page-head-media{position:relative}
.page-head-media img{
  width:100%;height:290px;object-fit:cover;
  border-radius:var(--radius-img);border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.img-index{
  position:absolute;top:-14px;left:-14px;z-index:2;
  display:flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:50%;
  background:var(--green);color:#F6F3EC;
  font-family:var(--serif);font-size:15px;letter-spacing:.04em;
  box-shadow:0 8px 20px rgba(20,59,54,.22);
}
.head-stats{
  display:flex;flex-wrap:wrap;gap:0;margin-top:44px;
  border-top:1px solid var(--line);padding-top:22px;
}
.head-stats li{
  font-size:14px;color:var(--muted);padding-right:32px;margin-right:32px;
  border-right:1px solid var(--line);
}
.head-stats li:last-child{border-right:0;margin-right:0;padding-right:0}
.head-stats b{
  font-family:var(--serif);font-size:20px;color:var(--green);
  margin-right:6px;font-weight:600;
}

/* ============ 板块通用 ============ */
.section{padding:88px 0}
.section-tight{padding:64px 0 0}
.section-head{max-width:660px;margin-bottom:44px}
.section-head h2{
  font-family:var(--serif);font-size:clamp(28px,3.2vw,38px);line-height:1.2;
  letter-spacing:-.02em;color:var(--green);font-weight:600;margin:0 0 14px;
}
.section-head p{font-size:15.5px;color:var(--muted);line-height:1.85}
.section-head-split{
  display:flex;align-items:flex-end;justify-content:space-between;gap:32px;
  max-width:none;margin-bottom:44px;
}

.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--green-2);
}
.link-arrow svg{width:14px;height:14px;transition:transform .18s ease}
.link-arrow:hover{color:var(--amber)}
.link-arrow:hover svg{transform:translateX(4px)}

/* ============ 精选项目 ============ */
.featured{display:grid;grid-template-columns:1.3fr 1fr;gap:32px;align-items:stretch}
.feature-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;display:flex;flex-direction:column;
  box-shadow:var(--shadow-soft);transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.feature-card:hover{border-color:var(--green);box-shadow:var(--shadow);transform:translateY(-2px)}
.feature-card figure{margin:0;overflow:hidden}
.feature-card img{
  width:100%;height:300px;object-fit:cover;
  transition:transform .3s ease;
}
.feature-card:hover img{transform:scale(1.02)}
.feature-body{padding:28px}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  font-size:12px;font-weight:600;letter-spacing:.02em;
  background:var(--amber-light);color:var(--green);border-radius:999px;
}
.feature-body h3{
  font-family:var(--serif);font-size:clamp(21px,2.2vw,26px);line-height:1.36;
  letter-spacing:-.01em;color:var(--ink);font-weight:600;margin:14px 0 12px;
}
.feature-body h3 a:hover{color:var(--green-2)}
.feature-body p{font-size:15px;color:var(--muted);line-height:1.85;margin-bottom:20px}
.meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:13px;color:#8C867C}
.meta .dot{width:3px;height:3px;border-radius:50%;background:#C6BFB2}

.feature-side{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:8px 24px;box-shadow:var(--shadow-soft);display:flex;flex-direction:column;justify-content:center;
}
.side-item{
  display:grid;grid-template-columns:84px 1fr;gap:16px;align-items:center;
  padding:20px 0;border-bottom:1px solid var(--line);
}
.side-item:last-child{border-bottom:0}
.side-item img{
  width:84px;height:64px;object-fit:cover;border-radius:var(--radius-img);
  border:1px solid var(--line);
}
.side-item h4{
  font-size:15.5px;font-weight:600;line-height:1.6;color:var(--ink);margin:0 0 6px;
}
.side-item h4 a:hover{color:var(--green-2)}
.side-item .meta{font-size:12.5px}

/* ============ 案例网格（非对称） ============ */
.case-columns{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.case-col{display:grid;gap:28px;align-content:start}
.case-col-offset{margin-top:56px}
.case-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-soft);
  transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.case-card:hover{border-color:var(--green);box-shadow:var(--shadow);transform:translateY(-2px)}
.case-card figure{margin:0;overflow:hidden}
.case-card img{width:100%;height:200px;object-fit:cover;transition:transform .3s ease}
.case-card:hover img{transform:scale(1.02)}
.case-body{padding:24px}
.case-body h3{
  font-size:19px;line-height:1.55;font-weight:600;color:var(--ink);
  margin:12px 0 10px;font-family:var(--serif);letter-spacing:-.01em;
}
.case-body h3 a:hover{color:var(--green-2)}
.case-body p{
  font-size:14.5px;line-height:1.85;color:var(--muted);margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.case-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}

/* ============ 阅读方式说明 ============ */
.notes-wrap{background:#FFFDF8;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.notes{display:grid;grid-template-columns:4fr 8fr;gap:56px;align-items:start}
.notes-title h2{
  font-family:var(--serif);font-size:clamp(26px,3vw,36px);line-height:1.24;
  color:var(--green);font-weight:600;letter-spacing:-.02em;margin:0 0 16px;
}
.notes-title p{font-size:15px;color:var(--muted);line-height:1.9;max-width:320px}
.note-row{
  display:grid;grid-template-columns:64px 1fr;gap:20px;
  padding:26px 4px;border-bottom:1px solid var(--line);
  transition:background .18s ease;
}
.note-row:first-child{padding-top:0}
.note-row:last-child{border-bottom:0;padding-bottom:0}
.note-row:hover{background:rgba(255,255,255,.7)}
.note-num{
  font-family:var(--serif);font-size:30px;line-height:1;color:var(--celadon);font-weight:600;
}
.note-row h3{font-size:18px;font-weight:600;color:var(--ink);margin:0 0 8px}
.note-row p{font-size:14.5px;color:var(--muted);line-height:1.85}

/* ============ 分页 ============ */
.pager{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:56px;flex-wrap:wrap}
.page-btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:44px;height:44px;padding:0 14px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-btn);
  font-size:14px;color:#4A453E;transition:border-color .18s ease,color .18s ease,background .18s ease;
}
.page-btn:hover{border-color:var(--green);color:var(--green)}
.page-btn.is-active{background:var(--green);border-color:var(--green);color:#FBFAF6;font-weight:600}
.page-btn.is-disabled{color:#B7B0A4;cursor:not-allowed;background:#FBF9F4}
.page-btn.is-disabled:hover{border-color:var(--line);color:#B7B0A4}

/* ============ 订阅 / 联系 CTA ============ */
.cta-band{
  background:var(--amber-light);
  border-radius:var(--radius-card);
  padding:52px 48px;
  display:grid;grid-template-columns:1.15fr 1fr;gap:48px;align-items:center;
  border:1px solid #E9D3BE;
}
.cta-band h2{
  font-family:var(--serif);font-size:clamp(24px,2.8vw,34px);line-height:1.3;
  letter-spacing:-.02em;color:var(--green);font-weight:600;margin:0 0 14px;
}
.cta-band p{font-size:15px;color:#5C554B;line-height:1.9;max-width:460px}
.cta-form{display:flex;flex-direction:column;gap:14px}
.field-row{display:grid;grid-template-columns:1fr auto;gap:12px}
.field-label{font-size:13px;color:#4A453E;font-weight:600;display:block;margin-bottom:8px}
.field-input{
  width:100%;height:48px;padding:0 16px;background:#fff;
  border:1px solid #E0D5C6;border-radius:var(--radius-btn);
  font-size:14.5px;color:var(--ink);font-family:inherit;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field-input::placeholder{color:#A9A196}
.field-input:focus{outline:none;border-color:var(--celadon);box-shadow:0 0 0 2px rgba(79,140,134,.22)}
.privacy{
  display:flex;align-items:flex-start;gap:8px;font-size:12.5px;color:#6E6659;line-height:1.7;
}
.privacy input{margin-top:3px;accent-color:var(--green-2);width:15px;height:15px;flex:none}
.form-note{font-size:12.5px;color:#7A7265}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--green);color:#F3EFE7;
  padding:80px 0 40px;margin-top:96px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.site-footer .brand{color:#F6F3EC;font-size:19px}
.site-footer .brand svg{color:var(--celadon)}
.site-footer .brand:hover{color:#fff}
.footer-desc{
  color:rgba(243,239,231,.72);font-size:14px;line-height:1.85;
  max-width:290px;margin-top:16px;
}
.footer-col h4{
  font-size:13px;letter-spacing:.08em;color:rgba(243,239,231,.52);
  font-weight:600;margin:0 0 16px;font-family:var(--sans);
}
.footer-col a{display:block;font-size:14px;color:rgba(243,239,231,.86);padding:6px 0}
.footer-col a:hover{color:#F0C79C;text-decoration:underline;text-underline-offset:3px}
.footer-col li{font-size:14px;color:rgba(243,239,231,.74);padding:6px 0;line-height:1.75}
.footer-bottom{
  margin-top:56px;padding-top:24px;border-top:1px solid rgba(243,239,231,.18);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:rgba(243,239,231,.58);
}

/* ============ 底部固定转化条 ============ */
.sticky-bar{
  position:fixed;left:50%;bottom:18px;z-index:70;
  width:calc(100% - 48px);max-width:960px;
  display:flex;align-items:center;gap:16px;
  padding:12px 16px 12px 24px;
  background:var(--green);color:#F6F3EC;
  border-radius:8px;box-shadow:0 16px 40px rgba(20,59,54,.28);
  transform:translate(-50%,130%);opacity:0;
  transition:transform .22s ease,opacity .22s ease;
}
.sticky-bar.is-show{transform:translate(-50%,0);opacity:1}
.sticky-bar-text{font-size:14px;line-height:1.5;flex:1;min-width:0}
.sticky-bar .btn{flex:none}
.sticky-close{
  flex:none;width:32px;height:32px;border:0;border-radius:50%;
  background:rgba(255,255,255,.12);color:#F6F3EC;
  font-size:18px;line-height:1;cursor:pointer;transition:background .18s ease;
}
.sticky-close:hover{background:rgba(255,255,255,.24)}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .nav-links{display:none}
  .search-box{display:none}
  .burger{display:inline-flex}
  .page-head-grid{grid-template-columns:1fr;gap:32px}
  .page-head-media img{height:240px}
  .featured{grid-template-columns:1fr}
  .notes{grid-template-columns:1fr;gap:32px}
  .notes-title p{max-width:none}
  .cta-band{grid-template-columns:1fr;gap:32px;padding:40px 32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .section{padding:72px 0}
}
@media (max-width:768px){
  .case-columns{grid-template-columns:1fr;gap:24px}
  .case-col-offset{margin-top:0}
  .section-head-split{flex-direction:column;align-items:flex-start;gap:16px}
  .head-stats li{padding-right:20px;margin-right:20px;font-size:13px}
  .head-stats b{font-size:18px}
  .feature-card img{height:230px}
  .cta-band{padding:32px 24px}
  .field-row{grid-template-columns:1fr}
  .note-row{grid-template-columns:48px 1fr;gap:16px}
  .note-num{font-size:24px}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .brand{font-size:17px}
  .brand svg{width:24px;height:24px}
  .nav{gap:16px;height:64px}
  .page-head{padding:28px 0 48px}
  .page-head h1{font-size:30px}
  .page-sub{font-size:15.5px}
  .section{padding:56px 0}
  .feature-body,.case-body{padding:20px}
  .case-card img{height:180px}
  .side-item{grid-template-columns:72px 1fr;gap:12px}
  .side-item img{width:72px;height:56px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .sticky-bar{
    left:0;bottom:0;width:100%;max-width:none;border-radius:0;
    padding:10px 14px;transform:translateY(130%);
  }
  .sticky-bar.is-show{transform:translateY(0)}
  .sticky-bar-text{font-size:13px}
  .sticky-bar .btn{height:44px;padding:0 16px;font-size:14px}
  .page-head-media img{height:200px}
  body{padding-bottom:76px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
  .feature-card:hover,.case-card:hover,.btn:hover{transform:none}
}