/* roulang page: index */
:root{
  --primary:#14574F;--primary-600:#1B6E62;--primary-300:#7FB3A8;--primary-050:#EAF2F0;
  --accent:#E2703A;--accent-600:#C75A28;--accent-050:#FDEEE6;
  --ink:#13201E;--ink-2:#4B5A57;--ink-3:#7C8A86;
  --bg:#F7F5EF;--surface:#FFFFFF;--line:#E2DCD1;--deep:#0B2E2A;
  --ok:#2F855A;--warn:#B7791F;--err:#C53030;
  --sh1:0 1px 2px rgba(11,46,42,.06);
  --sh2:0 10px 28px -16px rgba(11,46,42,.20);
  --sh3:0 22px 48px -22px rgba(11,46,42,.30);
  --r-btn:12px;--r-badge:6px;--r-card:18px;--r-img:22px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
.num{font-family:Inter,ui-sans-serif,system-ui;font-variant-numeric:tabular-nums}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media(min-width:768px){.container{padding-left:32px;padding-right:32px}}
.section{padding-top:56px;padding-bottom:56px}
@media(min-width:768px){.section{padding-top:80px;padding-bottom:80px}}
@media(min-width:1024px){.section{padding-top:96px;padding-bottom:96px}}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease-out;
}
.site-header.scrolled{box-shadow:var(--sh2)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:68px;transition:height .22s ease-out}
.site-header.scrolled .nav-inner{height:60px}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:10px;background:var(--primary);
  display:flex;align-items:center;justify-content:center;color:#fff;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;min-width:0}
.brand-name{font-size:16px;font-weight:800;letter-spacing:-.01em;color:var(--primary);white-space:nowrap}
.brand-sub{font-size:11px;letter-spacing:.14em;color:var(--ink-3);text-transform:uppercase;font-family:Inter,ui-sans-serif}
.nav-main{display:none;align-items:center;gap:4px}
@media(min-width:1024px){.nav-main{display:flex}}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:68px;padding:0 14px;
  font-size:15px;font-weight:600;color:var(--ink-2);transition:color .18s ease-out;
}
.site-header.scrolled .nav-link{height:60px}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:16px;height:2px;background:var(--accent);
  transform:scaleX(0);transform-origin:left;transition:transform .2s ease-out;
}
.nav-link:hover{color:var(--primary)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--primary)}
.nav-actions{display:flex;align-items:center;gap:10px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);font-size:15px;font-weight:600;padding:11px 22px;
  transition:background-color .2s ease-out,box-shadow .2s ease-out,transform .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:var(--sh1)}
.btn-primary:hover{background:var(--accent-600);box-shadow:var(--sh3);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{border:1.5px solid var(--primary);color:var(--primary);background:transparent}
.btn-ghost:hover{background:var(--primary-050);border-color:var(--primary-600)}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--primary);
  text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px;
  transition:color .18s ease-out;
}
.btn-link:hover{color:var(--accent)}
.btn-link:hover .arw{transform:translateX(3px)}
.arw{transition:transform .2s ease-out}
.mega-toggle{
  display:none;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--ink-2);
  padding:11px 14px;border-radius:var(--r-btn);transition:background-color .18s ease-out,color .18s ease-out;
}
@media(min-width:1024px){.mega-toggle{display:inline-flex}}
.mega-toggle:hover{background:var(--primary-050);color:var(--primary)}
.mega-toggle .chev{transition:transform .2s ease-out}
.mega-toggle[aria-expanded="true"] .chev{transform:rotate(180deg)}
.mega-wrap{position:relative;display:none}
@media(min-width:1024px){.mega-wrap{display:block}}
.mega-panel{
  position:absolute;right:0;top:100%;width:820px;padding-top:10px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .2s ease-out,transform .2s ease-out,visibility .2s;
}
.mega-wrap.open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-inner{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh3);
  padding:24px;display:grid;grid-template-columns:1.1fr 1.1fr .9fr;gap:24px;
}
.mega-title{font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--ink-3);margin-bottom:12px}
.mega-item{
  display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:10px;font-size:14px;color:var(--ink-2);
  transition:background-color .18s ease-out,color .18s ease-out,transform .18s ease-out;
}
.mega-item:hover{background:var(--primary-050);color:var(--primary);transform:translateX(2px)}
.mega-idx{font-family:Inter,ui-sans-serif;font-size:12px;font-weight:700;color:var(--primary-300);width:16px}
.mega-news{display:block;padding:10px 0;border-bottom:1px solid var(--line);transition:color .18s ease-out}
.mega-news:last-child{border-bottom:0}
.mega-news:hover .mega-news-t{color:var(--primary)}
.mega-news-t{font-size:14px;font-weight:600;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;transition:color .18s ease-out}
.mega-news-d{font-size:13px;color:var(--ink-3);font-family:Inter,ui-sans-serif}
.mega-card{
  background:var(--accent-050);border:1px solid var(--accent);border-radius:14px;padding:18px;
  display:flex;flex-direction:column;justify-content:space-between;gap:14px;
}
.mega-card h4{font-size:15px;font-weight:700;color:var(--accent-600);line-height:1.6}
.mega-card p{font-size:13px;color:var(--ink-2);line-height:1.7}
.burger{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;color:var(--primary)}
@media(min-width:1024px){.burger{display:none}}
.drawer{
  position:fixed;inset:0 0 0 auto;width:86%;max-width:360px;background:#fff;z-index:70;
  transform:translateX(102%);transition:transform .24s ease-out;display:flex;flex-direction:column;
  box-shadow:var(--sh3);
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--line)}
.drawer-body{padding:8px 20px;overflow-y:auto;flex:1}
.drawer-link{display:flex;align-items:center;justify-content:space-between;min-height:52px;font-size:16px;font-weight:600;color:var(--ink);border-bottom:1px solid var(--line)}
.drawer-link:hover{color:var(--primary)}
.drawer-foot{padding:16px 20px;border-top:1px solid var(--line)}
.scrim{position:fixed;inset:0;background:rgba(11,46,42,.45);z-index:60;opacity:0;visibility:hidden;transition:opacity .22s ease-out,visibility .22s}
.scrim.open{opacity:1;visibility:visible}

/* ---------- 通用块 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--accent-600);background:var(--accent-050);border-radius:var(--r-badge);padding:5px 10px;
}
.h2{font-size:clamp(24px,3vw,36px);line-height:1.3;font-weight:700;letter-spacing:-.01em}
.h3{font-size:22px;line-height:1.45;font-weight:700}
.h4{font-size:17px;font-weight:600}
.lead{font-size:16px;line-height:1.85;color:var(--ink-2)}
.text-mut{color:var(--ink-2)}
.text-weak{color:var(--ink-3);font-size:13px;letter-spacing:.02em}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh2);
  transition:box-shadow .22s ease-out,transform .22s ease-out,border-color .22s ease-out;
}
.card:hover{box-shadow:var(--sh3);transform:translateY(-2px)}
.thumb{overflow:hidden;border-radius:var(--r-card) var(--r-card) 0 0}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.card:hover .thumb img{transform:scale(1.02)}
.badge{display:inline-flex;align-items:center;border-radius:var(--r-badge);font-size:12px;font-weight:700;padding:3px 9px}
.badge-accent{background:var(--accent-050);color:var(--accent-600)}
.badge-primary{background:var(--primary-050);color:var(--primary)}
.divider{height:1px;background:var(--line)}
.accent-bar{height:2px;background:var(--accent);width:64px}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--bg)}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(20,87,79,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(20,87,79,.05) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),transparent 78%);
  -webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),transparent 78%);
}
.hero-h1{font-size:clamp(30px,4.4vw,52px);line-height:1.18;font-weight:800;letter-spacing:-.01em}
.hero-visual{position:relative}
.hero-img-wrap{border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh3);background:var(--deep)}
.hero-img-wrap img{width:100%;height:100%;object-fit:cover}
.hero-mask{position:absolute;inset:0;background:rgba(11,46,42,.42)}
.hero-float{
  position:absolute;right:-8px;bottom:-24px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh3);padding:18px 22px;max-width:240px;
}
@media(max-width:640px){.hero-float{position:static;margin-top:16px;max-width:none}}
.trust{display:flex;gap:8px;align-items:flex-start;font-size:14px;color:var(--ink-2)}
.trust svg{flex:0 0 18px;margin-top:4px;color:var(--primary)}

/* ---------- 服务概览条 ---------- */
.overview{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh1);
  display:grid;grid-template-columns:1fr;overflow:hidden}
@media(min-width:640px){.overview{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.overview{grid-template-columns:repeat(4,1fr)}}
.overview-item{padding:26px 24px;border-top:1px solid var(--line);transition:background-color .2s ease-out}
.overview-item:hover{background:var(--primary-050)}
@media(min-width:640px){.overview-item:nth-child(-n+2){border-top:0}}
@media(min-width:1024px){
  .overview-item{border-top:0;border-left:1px solid var(--line)}
  .overview-item:first-child{border-left:0}
}
.overview-ico{width:38px;height:38px;border-radius:11px;background:var(--primary-050);color:var(--primary);
  display:flex;align-items:center;justify-content:center;margin-bottom:14px}

/* ---------- 深色数据带 ---------- */
.deepband{background:var(--deep);color:#fff;position:relative}
.deepband::before{content:"";position:absolute;top:0;left:0;width:64px;height:2px;background:var(--accent)}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:0}
@media(min-width:1024px){.stat-grid{grid-template-columns:repeat(4,1fr)}}
.stat{padding:26px 22px;border-left:1px solid rgba(255,255,255,.14);border-top:1px solid rgba(255,255,255,.14)}
.stat:nth-child(odd){border-left:0}
@media(min-width:1024px){
  .stat{border-top:0}
  .stat:first-child{border-left:0}
}
.stat-num{font-size:clamp(34px,4vw,50px);font-weight:800;line-height:1.1;letter-spacing:-.02em}
.stat-desc{font-size:14px;color:rgba(255,255,255,.72);line-height:1.7;margin-top:8px}

/* ---------- 案例横向滚动 ---------- */
.case-row{display:grid;grid-template-columns:1fr;gap:24px}
@media(max-width:767px){
  .case-row{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:8px;margin-right:-20px;padding-right:20px}
  .case-row::-webkit-scrollbar{height:6px}
  .case-row::-webkit-scrollbar-thumb{background:var(--line);border-radius:6px}
  .case-row>*{flex:0 0 82vw;scroll-snap-align:start}
}
@media(min-width:768px){.case-row{grid-template-columns:1fr 1fr}}

/* ---------- 方案流程 ---------- */
.step{display:flex;gap:16px;position:relative;padding-bottom:28px}
.step:last-child{padding-bottom:0}
.step::before{content:"";position:absolute;left:17px;top:38px;bottom:0;width:1px;background:var(--line)}
.step:last-child::before{display:none}
.step-dot{flex:0 0 36px;width:36px;height:36px;border-radius:50%;background:var(--primary-050);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-family:Inter,ui-sans-serif;font-size:15px;z-index:1}
.step-dot.on{background:var(--primary);color:#fff}

/* ---------- 资讯卡片 ---------- */
.pill-row{display:flex;gap:10px;overflow-x:auto;padding-bottom:4px}
.pill{flex:0 0 auto;display:inline-flex;align-items:center;border-radius:999px;border:1px solid var(--line);background:#fff;
  padding:7px 16px;font-size:14px;font-weight:600;color:var(--ink-2);transition:all .2s ease-out;white-space:nowrap}
.pill:hover{border-color:var(--primary-300);color:var(--primary)}
.pill.active{background:var(--primary);border-color:var(--primary);color:#fff}
.post-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media(min-width:768px){.post-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.post-grid{grid-template-columns:repeat(3,1fr)}}
.clamp2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-card);min-height:200px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;text-align:center;padding:32px 20px;
}

/* ---------- FAQ ---------- */
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);margin-bottom:12px;overflow:hidden;
  transition:box-shadow .2s ease-out,border-color .2s ease-out}
.faq-item:hover{box-shadow:var(--sh2)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;
  padding:18px 20px;font-size:16px;font-weight:600;color:var(--ink);position:relative;transition:color .2s ease-out}
.faq-q::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;background:var(--accent);
  transform:scaleY(0);transform-origin:top;transition:transform .22s ease-out}
.faq-item.open .faq-q{color:var(--primary)}
.faq-item.open .faq-q::before{transform:scaleY(1)}
.faq-sign{flex:0 0 22px;width:22px;height:22px;display:flex;align-items:center;justify-content:center;
  color:var(--primary-300);transition:transform .22s ease-out,color .2s ease-out}
.faq-item.open .faq-sign{transform:rotate(45deg);color:var(--accent)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease-out}
.faq-a-inner{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--ink-2)}

/* ---------- 表单 ---------- */
.form-label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--ink)}
.form-input{
  width:100%;border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;
  padding:12px 16px;font-size:15px;transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.form-input::placeholder{color:var(--ink-3)}
.form-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(20,87,79,.12)}
.form-input.err{border-color:var(--err)}
.form-tip{font-size:13px;color:var(--err);margin-top:6px;display:none}
.form-tip.show{display:block}
.form-note{font-size:13px;color:var(--ink-3);line-height:1.7}
.info-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh2);padding:26px}
.info-row{display:flex;gap:12px;padding:14px 0;border-bottom:1px solid var(--line);font-size:15px}
.info-row:last-of-type{border-bottom:0}
.info-ico{flex:0 0 34px;width:34px;height:34px;border-radius:10px;background:var(--primary-050);color:var(--primary);
  display:flex;align-items:center;justify-content:center}
.map-ph{height:120px;border-radius:14px;border:1px solid var(--line);
  background-image:linear-gradient(90deg,rgba(20,87,79,.06) 1px,transparent 1px),linear-gradient(rgba(20,87,79,.06) 1px,transparent 1px);
  background-size:22px 22px;display:flex;align-items:center;justify-content:center;color:var(--ink-3);font-size:13px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--deep);color:#fff;position:relative}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:rgba(255,255,255,.12)}
.site-footer::after{content:"";position:absolute;top:0;left:0;width:64px;height:2px;background:var(--accent)}
.foot-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media(min-width:768px){.foot-grid{grid-template-columns:1.3fr 1fr 1fr 1.1fr;gap:28px}}
.foot-title{font-size:14px;font-weight:700;letter-spacing:.06em;color:rgba(255,255,255,.55);margin-bottom:14px}
.foot-link{display:block;font-size:14px;color:rgba(255,255,255,.78);padding:5px 0;transition:color .18s ease-out}
.foot-link:hover{color:var(--accent)}
.foot-brand{font-size:16px;font-weight:800;color:#fff;line-height:1.6}
.foot-desc{font-size:14px;color:rgba(255,255,255,.68);line-height:1.8;margin-top:10px;max-width:320px}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:36px;padding:20px 0 28px;
  display:flex;flex-wrap:wrap;gap:10px 20px;align-items:center;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.6)}
.to-top{font-size:13px;color:rgba(255,255,255,.7);display:inline-flex;align-items:center;gap:6px;transition:color .18s ease-out}
.to-top:hover{color:var(--accent)}

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

/* roulang page: category1 */
:root{
    --primary:#14574F;
    --primary-600:#1B6E62;
    --primary-300:#7FB3A8;
    --primary-050:#EAF2F0;
    --accent:#E2703A;
    --accent-600:#C75A28;
    --accent-050:#FDEEE6;
    --ink:#13201E;
    --ink-2:#4B5A57;
    --ink-3:#7C8A86;
    --bg:#F7F5EF;
    --surface:#FFFFFF;
    --line:#E2DCD1;
    --deep:#0B2E2A;
    --r-btn:12px;
    --r-badge:6px;
    --r-card:18px;
    --r-pic:22px;
    --sh1:0 1px 2px rgba(11,46,42,.06);
    --sh2:0 10px 28px -16px rgba(11,46,42,.20);
    --sh3:0 22px 48px -22px rgba(11,46,42,.30);
    --t:220ms ease-out;
    --font-cn:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
    --font-num:"Inter",ui-sans-serif,system-ui,sans-serif;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:var(--font-cn);
    font-size:16px;
    line-height:1.85;
    letter-spacing:.01em;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button,input,select,textarea{font:inherit;color:inherit}
  h1,h2,h3,h4,p{margin:0}
  ul{margin:0;padding:0;list-style:none}
  ::selection{background:var(--primary-050);color:var(--primary)}
  :focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
  .num{font-family:var(--font-num);font-variant-numeric:tabular-nums}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
  @media (min-width:768px){.container{padding:0 32px}}

  .skip{position:absolute;left:-9999px;top:0;background:var(--primary);color:#fff;padding:10px 16px;z-index:200;border-radius:0 0 var(--r-btn) 0}
  .skip:focus{left:0}

  /* ---------- Header / Nav ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;background:var(--surface);
    border-bottom:1px solid var(--line);
    transition:box-shadow var(--t);
  }
  .site-header.scrolled{box-shadow:var(--sh2)}
  .nav-inner{display:flex;align-items:center;gap:20px;height:68px;transition:height var(--t)}
  .site-header.scrolled .nav-inner{height:60px}
  .brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
  .brand-mark{
    width:34px;height:34px;border-radius:10px;background:var(--primary);
    display:grid;place-items:center;color:#fff;flex:0 0 auto;
  }
  .brand-text{font-size:17px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
  .brand-sub{display:block;font-size:11px;font-weight:600;color:var(--ink-3);letter-spacing:.12em;line-height:1}
  .nav-main{display:none;align-items:center;gap:26px;height:100%}
  .nav-link{
    position:relative;display:inline-flex;align-items:center;height:100%;
    font-size:15px;font-weight:600;color:var(--ink-2);transition:color var(--t);
  }
  .nav-link:hover{color:var(--primary)}
  .nav-link.active{color:var(--primary)}
  .nav-link.active::after{
    content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
    background:var(--accent);border-radius:2px;
  }
  .nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
  .mega-wrap{position:relative;display:none}
  .mega-trigger{
    display:inline-flex;align-items:center;gap:6px;background:transparent;
    border:1px solid var(--line);border-radius:var(--r-btn);padding:8px 14px;
    font-size:14px;font-weight:600;color:var(--ink-2);cursor:pointer;
    transition:color var(--t),border-color var(--t),background var(--t);
  }
  .mega-trigger:hover{border-color:var(--primary-300);color:var(--primary);background:var(--primary-050)}
  .mega-trigger svg{transition:transform var(--t)}
  .mega-wrap.open .mega-trigger svg{transform:rotate(180deg)}
  .mega-panel{
    position:absolute;right:0;top:calc(100% + 10px);width:min(760px,88vw);
    background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
    box-shadow:var(--sh3);padding:22px;display:grid;grid-template-columns:1fr 1fr 1fr;gap:22px;
    opacity:0;visibility:hidden;transform:translateY(8px);
    transition:opacity 200ms ease-out,transform 200ms ease-out,visibility 200ms;
  }
  .mega-wrap.open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
  .mega-title{font-size:13px;font-weight:700;color:var(--ink-3);letter-spacing:.06em;margin-bottom:12px}
  .mega-item{
    display:flex;gap:8px;align-items:flex-start;font-size:14.5px;font-weight:600;color:var(--ink-2);
    padding:7px 0;border-bottom:1px dashed var(--line);transition:color var(--t),transform var(--t);
  }
  .mega-item:last-child{border-bottom:none}
  .mega-item:hover{color:var(--primary);transform:translateX(2px)}
  .mega-item span.idx{color:var(--accent);font-family:var(--font-num);font-size:13px;flex:0 0 auto}
  .mega-news{display:block;padding:7px 0;border-bottom:1px dashed var(--line);transition:color var(--t)}
  .mega-news:last-child{border-bottom:none}
  .mega-news:hover .mega-news-t{color:var(--primary)}
  .mega-news-t{font-size:14.5px;font-weight:600;color:var(--ink-2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .mega-news-d{font-size:13px;color:var(--ink-3)}
  .mega-card{
    background:var(--accent-050);border:1px solid var(--accent);border-radius:var(--r-btn);
    padding:16px;display:flex;flex-direction:column;gap:10px;justify-content:space-between;
  }
  .mega-card p{font-size:15px;font-weight:700;color:var(--accent-600);line-height:1.5}
  .mega-card a{font-size:14px;font-weight:700;color:var(--accent-600);display:inline-flex;align-items:center;gap:6px}
  .mega-card a:hover{text-decoration:underline;text-underline-offset:4px}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:var(--r-btn);padding:12px 22px;font-size:15px;font-weight:600;
    cursor:pointer;border:1.5px solid transparent;transition:all var(--t);
  }
  .btn-primary{background:var(--accent);color:#fff;box-shadow:var(--sh2)}
  .btn-primary:hover{background:var(--accent-600);box-shadow:var(--sh3);transform:translateY(-1px)}
  .btn-primary:active{transform:translateY(0)}
  .btn-secondary{background:transparent;border-color:var(--primary);color:var(--primary)}
  .btn-secondary:hover{background:var(--primary-050);border-color:var(--primary-600)}
  .btn-text{
    display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:700;color:var(--primary);
    border-bottom:1px solid var(--primary);padding-bottom:2px;transition:color var(--t),border-color var(--t);
  }
  .btn-text:hover{color:var(--accent-600);border-color:var(--accent)}
  .btn-sm{padding:9px 16px;font-size:14px}

  .nav-burger{
    display:inline-flex;align-items:center;justify-content:center;
    width:42px;height:42px;border-radius:var(--r-btn);border:1px solid var(--line);
    background:#fff;cursor:pointer;transition:border-color var(--t),background var(--t);
  }
  .nav-burger:hover{border-color:var(--primary-300);background:var(--primary-050)}
  .drawer{
    position:fixed;inset:0 0 0 auto;width:min(360px,90vw);background:#fff;z-index:80;
    transform:translateX(100%);transition:transform 240ms ease-out;
    display:flex;flex-direction:column;box-shadow:var(--sh3);
  }
  .drawer.open{transform:translateX(0)}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line)}
  .drawer-body{padding:10px 20px 20px;overflow-y:auto;flex:1}
  .drawer-link{
    display:flex;align-items:center;justify-content:space-between;min-height:52px;
    font-size:15.5px;font-weight:600;color:var(--ink-2);border-bottom:1px solid var(--line);
  }
  .drawer-link.active{color:var(--primary)}
  .drawer-foot{padding:16px 20px;border-top:1px solid var(--line)}
  .scrim{position:fixed;inset:0;background:rgba(11,46,42,.42);z-index:70;opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t)}
  .scrim.open{opacity:1;visibility:visible}

  @media (min-width:768px){
    .drawer{display:none}
    .scrim{display:none}
  }
  @media (min-width:1024px){
    .nav-main{display:flex}
    .mega-wrap{display:block}
    .nav-burger{display:none}
  }

  /* ---------- Hero band ---------- */
  .hero-band{
    position:relative;min-height:288px;display:flex;align-items:center;
    background-image:linear-gradient(105deg,rgba(11,46,42,.82) 0%,rgba(20,87,79,.66) 58%,rgba(11,46,42,.72) 100%),url('/assets/images/backpic/back-2.png');
    background-size:cover;background-position:center;
    color:#fff;padding:44px 0 46px;
  }
  .hero-band::after{
    content:"";position:absolute;inset:0;pointer-events:none;
    background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
    background-size:64px 64px;opacity:.6;
  }
  .hero-inner{position:relative;z-index:2;max-width:820px}
  .crumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:16px}
  .crumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
  .crumb span.sep{opacity:.6}
  .hero-band h1{
    font-size:clamp(30px,4.4vw,48px);line-height:1.18;font-weight:800;letter-spacing:-.01em;color:#fff;
  }
  .hero-band .lead{
    margin-top:16px;font-size:18px;line-height:1.75;color:rgba(255,255,255,.88);max-width:720px;
  }
  .hero-marks{display:flex;flex-wrap:wrap;gap:22px;margin-top:24px}
  .hero-mark{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.86)}
  .hero-mark svg{color:var(--accent)}

  /* ---------- Pills ---------- */
  .pills-wrap{padding:20px 0 0}
  .pills{display:flex;gap:10px;overflow-x:auto;padding:4px 2px 10px;scrollbar-width:none}
  .pills::-webkit-scrollbar{display:none}
  .pill{
    flex:0 0 auto;padding:9px 18px;border-radius:999px;border:1px solid var(--line);
    background:#fff;font-size:14px;font-weight:600;color:var(--ink-2);
    transition:color var(--t),border-color var(--t),background var(--t),box-shadow var(--t);
  }
  .pill:hover{border-color:var(--primary-300);color:var(--primary);box-shadow:var(--sh1)}
  .pill.active{background:var(--primary);border-color:var(--primary);color:#fff}
  .pill.active:hover{color:#fff}

  /* ---------- Sections ---------- */
  .section{padding:48px 0}
  @media (min-width:768px){.section{padding:72px 0}}
  @media (min-width:1024px){.section{padding:84px 0}}
  .sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px}
  .sec-head h2{font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:700;letter-spacing:-.01em}
  .sec-head p{margin-top:10px;font-size:15.5px;color:var(--ink-2);max-width:680px}

  /* ---------- Layout ---------- */
  .layout{display:grid;grid-template-columns:minmax(0,1fr);gap:32px}
  @media (min-width:1024px){
    .layout{grid-template-columns:minmax(0,2fr) minmax(0,1fr);align-items:start}
    .side-col{position:sticky;top:88px}
  }
  .card-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:24px}
  @media (min-width:640px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}

  .post-card{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
    box-shadow:var(--sh2);overflow:hidden;display:flex;flex-direction:column;
    transition:box-shadow var(--t),transform var(--t);
  }
  .post-card:hover{box-shadow:var(--sh3);transform:translateY(-2px)}
  .post-media{aspect-ratio:16/10;overflow:hidden;background:var(--primary-050)}
  .post-media img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease-out}
  .post-card:hover .post-media img{transform:scale(1.02)}
  .post-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
  .badge{
    display:inline-flex;align-items:center;padding:4px 10px;border-radius:var(--r-badge);
    background:var(--accent-050);color:var(--accent-600);font-size:13px;font-weight:600;width:fit-content;
  }
  .badge-plain{background:var(--primary-050);color:var(--primary)}
  .post-body h3{font-size:19px;font-weight:700;line-height:1.45;transition:color var(--t)}
  .post-card:hover .post-body h3{color:var(--primary)}
  .post-desc{
    font-size:15px;color:var(--ink-2);line-height:1.72;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  }
  .post-meta{
    margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
    padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-3);
  }
  .post-meta .go{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--primary)}
  .post-card:hover .post-meta .go{color:var(--accent-600)}

  /* ---------- Sidebar ---------- */
  .side-panel{
    background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
    box-shadow:var(--sh2);padding:22px;
  }
  .side-panel + .side-panel{margin-top:24px}
  .side-title{font-size:17px;font-weight:700;margin-bottom:6px}
  .side-note{font-size:13.5px;color:var(--ink-3);margin-bottom:10px}
  .side-list a{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    padding:13px 0;border-bottom:1px solid var(--line);font-size:15px;font-weight:600;color:var(--ink-2);
    transition:color var(--t),padding-left var(--t);
  }
  .side-list li:last-child a{border-bottom:none}
  .side-list a:hover{color:var(--primary);padding-left:3px}
  .side-list a svg{flex:0 0 auto;color:var(--ink-3)}
  .cta-card{
    background:var(--accent-050);border:1px solid var(--accent);border-radius:var(--r-card);
    padding:22px;box-shadow:var(--sh1);
  }
  .cta-card h4{font-size:17px;font-weight:700;color:var(--accent-600);margin-bottom:10px}
  .cta-card p{font-size:14.5px;color:var(--ink-2);line-height:1.75;margin-bottom:16px}

  /* ---------- Steps strip ---------- */
  .steps-strip{
    display:grid;grid-template-columns:minmax(0,1fr);gap:0;
    background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
    box-shadow:var(--sh2);overflow:hidden;
  }
  .step-cell{padding:24px 22px;border-bottom:1px solid var(--line)}
  .step-cell:last-child{border-bottom:none}
  .step-cell .no{
    font-family:var(--font-num);font-size:13px;font-weight:700;color:var(--accent-600);
    letter-spacing:.08em;
  }
  .step-cell h3{font-size:17px;font-weight:700;margin:8px 0 6px}
  .step-cell p{font-size:14.5px;color:var(--ink-2);line-height:1.7}
  @media (min-width:768px){
    .steps-strip{grid-template-columns:repeat(4,minmax(0,1fr))}
    .step-cell{border-bottom:none;border-right:1px solid var(--line)}
    .step-cell:last-child{border-right:none}
  }

  /* ---------- FAQ ---------- */
  .faq-list{display:flex;flex-direction:column;gap:12px}
  .faq-item{
    position:relative;background:var(--surface);border:1px solid var(--line);
    border-radius:var(--r-card);box-shadow:var(--sh1);overflow:hidden;transition:box-shadow var(--t);
  }
  .faq-item[open]{box-shadow:var(--sh2)}
  .faq-item[open]::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--accent)}
  .faq-item summary{
    list-style:none;cursor:pointer;padding:18px 22px;display:flex;align-items:center;justify-content:space-between;gap:18px;
    font-size:16.5px;font-weight:700;color:var(--ink);transition:color var(--t);
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary:hover{color:var(--primary)}
  .faq-item[open] summary{color:var(--primary)}
  .faq-item summary svg{flex:0 0 auto;color:var(--ink-3);transition:transform var(--t),color var(--t)}
  .faq-item[open] summary svg{transform:rotate(45deg);color:var(--accent)}
  .faq-body{padding:0 22px 20px;font-size:15.5px;color:var(--ink-2);line-height:1.85}

  /* ---------- CTA band ---------- */
  .cta-band{
    background:var(--primary-050);border:1px solid var(--primary-300);border-radius:var(--r-card);
    padding:30px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
  }
  .cta-band h2{font-size:clamp(21px,2.4vw,27px);font-weight:700;line-height:1.35}
  .cta-band p{margin-top:8px;font-size:15px;color:var(--ink-2);max-width:640px}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px}

  /* ---------- Footer ---------- */
  .site-footer{position:relative;background:var(--deep);color:#fff;margin-top:56px}
  .site-footer::before{content:"";position:absolute;top:0;left:0;width:72px;height:2px;background:var(--accent)}
  .foot-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:32px}
  @media (min-width:768px){.foot-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
  @media (min-width:1024px){.foot-grid{grid-template-columns:1.4fr 1fr 1fr 1fr}}
  .foot-brand{font-size:18px;font-weight:800;letter-spacing:-.01em;margin-bottom:12px}
  .foot-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);max-width:340px;margin:0}
  .foot-title{font-size:13px;font-weight:700;color:rgba(255,255,255,.58);letter-spacing:.06em;margin:0 0 14px}
  .foot-link{display:block;font-size:14px;color:rgba(255,255,255,.82);padding:6px 0;transition:color var(--t)}
  .foot-link:hover{color:var(--accent)}
  .foot-bottom{
    margin-top:36px;padding:20px 0;border-top:1px solid rgba(255,255,255,.12);
    display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
    font-size:13px;color:rgba(255,255,255,.6);
  }
  .to-top{display:inline-flex;align-items:center;gap:6px;color:rgba(255,255,255,.82);transition:color var(--t)}
  .to-top:hover{color:var(--accent)}

  @media (prefers-reduced-motion:reduce){
    *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
  }
  @media (max-width:520px){
    .brand-text{font-size:15px}
    .hero-band{padding:34px 0 36px;min-height:0}
    .post-body{padding:18px}
    .cta-band{padding:22px}
  }

/* roulang page: article */
:root{
  --primary:#14574F; --primary-600:#1B6E62; --primary-300:#7FB3A8; --primary-050:#EAF2F0;
  --accent:#E2703A; --accent-600:#C75A28; --accent-050:#FDEEE6;
  --ink:#13201E; --ink-2:#4B5A57; --ink-3:#7C8A86;
  --bg:#F7F5EF; --surface:#FFFFFF; --line:#E2DCD1; --deep:#0B2E2A;
  --r-btn:12px; --r-badge:6px; --r-card:18px; --r-img:22px;
  --sh1:0 1px 2px rgba(11,46,42,.06);
  --sh2:0 10px 28px -16px rgba(11,46,42,.20);
  --sh3:0 22px 48px -22px rgba(11,46,42,.30);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::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:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:768px){.container{padding-left:32px;padding-right:32px}}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--primary);color:#fff;padding:10px 16px;border-radius:0 0 12px 0;z-index:99}
.skip-link:focus{left:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .22s var(--ease)}
.site-header.is-scrolled{box-shadow:var(--sh2)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;height:68px;transition:height .22s var(--ease)}
.site-header.is-scrolled .nav-wrap{height:60px}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:var(--primary-050);color:var(--primary);flex:0 0 auto}
.brand-text{display:flex;flex-direction:column;min-width:0}
.brand-main{font-size:16px;font-weight:800;letter-spacing:-.01em;color:var(--ink);white-space:nowrap}
.brand-sub{font-size:11px;line-height:1.4;color:var(--ink-3);letter-spacing:.02em;white-space:nowrap}
@media (max-width:520px){.brand-sub{display:none}.brand-main{font-size:15px}}
.nav-main{display:none}
@media (min-width:1024px){
  .nav-main{display:flex;align-items:center;gap:26px}
  .nav-link{position:relative;font-size:15px;font-weight:600;color:var(--ink-2);padding:6px 0;transition:color .18s var(--ease);white-space:nowrap}
  .nav-link:hover{color:var(--primary)}
  .nav-link.active{color:var(--primary)}
  .nav-link.active::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;border-radius:2px;background:var(--accent)}
}
.nav-side{display:flex;align-items:center;gap:10px}
.nav-quick{display:none;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--ink-2);padding:8px 12px;border-radius:var(--r-btn);transition:background .18s var(--ease),color .18s var(--ease)}
.nav-quick:hover{background:var(--primary-050);color:var(--primary)}
.nav-quick .chev{transition:transform .22s var(--ease)}
.site-header.mega-open .nav-quick .chev{transform:rotate(180deg)}
@media (min-width:1024px){.nav-quick{display:inline-flex}}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:15px;font-weight:600;padding:12px 24px;border-radius:var(--r-btn);transition:all .18s var(--ease);text-align:center}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-primary{background:var(--accent);color:#fff;box-shadow:var(--sh1)}
.btn-primary:hover{background:var(--accent-600);box-shadow:var(--sh3);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--primary);border:1.5px solid var(--primary)}
.btn-ghost:hover{background:var(--primary-050);border-color:var(--primary-600)}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--primary);border-bottom:1px solid var(--primary);padding-bottom:2px;transition:color .18s var(--ease),border-color .18s var(--ease)}
.btn-text:hover{color:var(--accent);border-color:var(--accent)}
.nav-burger{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:var(--r-btn);border:1px solid var(--line);background:#fff;color:var(--ink)}
.nav-burger:hover{background:var(--primary-050);color:var(--primary)}
@media (min-width:1024px){.nav-burger{display:none}}
.hide-sm{display:none}
@media (min-width:640px){.hide-sm{display:inline-flex}}

/* ---------- Mega panel ---------- */
.mega{position:absolute;left:0;right:0;top:100%;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s;padding:0 20px}
@media (min-width:768px){.mega{padding:0 32px}}
@media (max-width:1023px){.mega{display:none}}
.site-header.mega-open .mega{opacity:1;visibility:visible;transform:translateY(0)}
.mega-inner{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr 1.05fr;gap:26px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh3);padding:24px}
.mega-title{font-size:12px;letter-spacing:.08em;color:var(--ink-3);font-weight:700;margin-bottom:12px}
.mega-item{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:10px;font-size:14.5px;font-weight:600;color:var(--ink-2);transition:all .18s var(--ease)}
.mega-item:hover{color:var(--primary);background:var(--primary-050);transform:translateX(2px)}
.mega-num{font-size:12px;font-weight:700;color:var(--primary-300);width:20px}
.mega-news{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 8px;border-bottom:1px solid var(--line);font-size:14.5px;color:var(--ink-2);transition:color .18s var(--ease)}
.mega-news:last-child{border-bottom:0}
.mega-news:hover{color:var(--primary)}
.mega-news span{font-size:12.5px;color:var(--ink-3);flex:0 0 auto}
.mega-card{background:var(--accent-050);border:1px solid rgba(226,112,58,.35);border-radius:14px;padding:20px;display:flex;flex-direction:column;justify-content:space-between;gap:14px}
.mega-card h4{font-size:16px;font-weight:700;color:var(--ink)}
.mega-card p{font-size:13.5px;line-height:1.7;color:var(--ink-2)}
.mega-card a{font-size:14px;font-weight:700;color:var(--accent-600);display:inline-flex;align-items:center;gap:6px}

/* ---------- Mobile drawer ---------- */
.drawer-overlay{position:fixed;inset:0;background:rgba(11,46,42,.45);opacity:0;visibility:hidden;transition:opacity .22s var(--ease),visibility .22s;z-index:60}
.drawer-overlay.show{opacity:1;visibility:visible}
.mobile-drawer{position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);background:#fff;z-index:61;transform:translateX(102%);transition:transform .26s var(--ease);display:flex;flex-direction:column;box-shadow:var(--sh3)}
.mobile-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--line)}
.drawer-title{font-size:15px;font-weight:800;color:var(--ink)}
.drawer-close{width:38px;height:38px;display:grid;place-items:center;border-radius:10px;border:1px solid var(--line)}
.drawer-body{padding:10px 12px;overflow-y:auto;flex:1}
.drawer-link{display:flex;align-items:center;min-height:52px;padding:0 12px;border-radius:10px;font-size:15.5px;font-weight:600;color:var(--ink-2);border-bottom:1px solid var(--line)}
.drawer-link:last-child{border-bottom:0}
.drawer-link.active{color:var(--primary);background:var(--primary-050)}
.drawer-link:hover{color:var(--primary);background:var(--primary-050)}
.drawer-foot{padding:16px 20px 22px;border-top:1px solid var(--line)}
.drawer-foot .btn{width:100%}

/* ---------- Article header ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);letter-spacing:.02em}
.crumb a{transition:color .18s var(--ease)}
.crumb a:hover{color:var(--primary)}
.crumb .sep{color:var(--line)}
.crumb .current{max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-head{padding:32px 0 0}
@media (min-width:768px){.article-head{padding:44px 0 0}}
.article-head h1{font-size:clamp(26px,3.6vw,42px);line-height:1.22;font-weight:800;letter-spacing:-.01em;color:var(--ink);margin:18px 0 0;max-width:900px}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px;font-size:13px;color:var(--ink-3);letter-spacing:.02em}
.meta-row .dot{color:var(--line)}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:700;padding:4px 10px;border-radius:var(--r-badge);background:var(--accent-050);color:var(--accent-600)}
.badge-soft{background:var(--primary-050);color:var(--primary)}
.head-rule{height:1px;background:var(--line);margin-top:24px}

/* ---------- Layout ---------- */
.layout{display:grid;grid-template-columns:1fr;gap:40px;padding:36px 0 64px}
@media (min-width:1024px){
  .layout{grid-template-columns:minmax(0,1fr) 320px;gap:56px;padding:44px 0 88px}
}
.article-main{min-width:0;max-width:760px}
.article-body{font-size:16.5px;line-height:1.9;color:var(--ink-2)}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{position:relative;font-size:24px;line-height:1.4;font-weight:700;color:var(--ink);margin:36px 0 14px;padding-left:16px}
.article-body h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;background:var(--primary)}
.article-body h3{font-size:20px;line-height:1.5;font-weight:700;color:var(--ink);margin:28px 0 12px}
.article-body h4{font-size:17px;font-weight:600;color:var(--ink);margin:22px 0 10px}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.35em}
.article-body ul li{list-style:disc;margin-bottom:.5em}
.article-body ol li{list-style:decimal;margin-bottom:.5em}
.article-body ul li::marker{color:var(--accent)}
.article-body ol li::marker{color:var(--accent);font-weight:700}
.article-body blockquote{margin:24px 0;padding:16px 20px;background:#FAF8F3;border-left:3px solid var(--accent);border-radius:0 12px 12px 0;color:var(--ink-2)}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:14px;margin:24px auto}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:10px}
.article-body a{color:var(--primary);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px;transition:color .18s var(--ease)}
.article-body a:hover{color:var(--accent)}
.article-body strong{color:var(--ink);font-weight:700}
.article-body hr{border:0;height:1px;background:var(--line);margin:32px 0}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;display:block;overflow-x:auto}
.article-body th,.article-body td{border-bottom:1px solid var(--line);padding:10px 12px;text-align:left;white-space:nowrap}
.article-body thead th{color:var(--ink);font-weight:700;background:#FAF8F3}
.article-body tbody tr:nth-child(even){background:#FAF8F3}
.article-body pre{background:#F1EFE8;border-radius:12px;padding:16px;overflow-x:auto;font-size:14px;line-height:1.7;margin:22px 0}
.article-body code{background:#F1EFE8;border-radius:6px;padding:2px 6px;font-size:14px}
.article-body pre code{background:none;padding:0}

/* ---------- Empty state ---------- */
.empty-state{margin-top:8px;border:1px dashed var(--line);border-radius:var(--r-card);min-height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding:32px;background:#fff;text-align:center}
.empty-state p{font-size:15px;color:var(--ink-2)}

/* ---------- Footer blocks of article ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:36px;padding-top:24px;border-top:1px solid var(--line)}
.tag{display:inline-flex;align-items:center;font-size:13px;font-weight:600;padding:6px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--ink-2);transition:all .18s var(--ease)}
.tag:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-050)}
.nav-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.reco{margin-top:56px;padding-top:32px;border-top:1px solid var(--line)}
.reco h2{font-size:22px;font-weight:700;color:var(--ink)}
.reco-grid{display:grid;grid-template-columns:1fr;gap:24px;margin-top:22px}
@media (min-width:640px){.reco-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.reco-grid{grid-template-columns:repeat(3,1fr)}}
.card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh2);overflow:hidden;transition:box-shadow .2s var(--ease),transform .2s var(--ease)}
.card:hover{box-shadow:var(--sh3);transform:translateY(-2px)}
.card-media{position:relative;overflow:hidden;aspect-ratio:4/3;background:var(--primary-050)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.card:hover .card-media img{transform:scale(1.02)}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:16.5px;font-weight:700;line-height:1.55;color:var(--ink);transition:color .18s var(--ease)}
.card:hover .card-body h3{color:var(--primary)}
.card-body p{font-size:14px;line-height:1.7;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line);font-size:12.5px;color:var(--ink-3);letter-spacing:.02em}
.card-foot .arrow{color:var(--primary);font-weight:700}

/* ---------- Sidebar ---------- */
.sidebar{display:flex;flex-direction:column;gap:24px}
@media (min-width:1024px){
  .sidebar{position:sticky;top:96px;align-self:start}
}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh1);padding:20px}
.side-title{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:700;color:var(--ink);margin-bottom:14px}
.side-title::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--accent)}
.toc-box{max-height:340px;overflow-y:auto}
.toc-link{display:block;font-size:14px;line-height:1.6;color:var(--ink-2);padding:8px 0;border-bottom:1px solid var(--line);transition:color .18s var(--ease),padding-left .18s var(--ease)}
.toc-link:last-child{border-bottom:0}
.toc-link:hover{color:var(--primary);padding-left:4px}
.toc-sub{padding-left:14px;font-size:13.5px;color:var(--ink-3)}
.side-list a{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:14.5px;font-weight:600;color:var(--ink-2);padding:11px 0;border-bottom:1px solid var(--line);transition:color .18s var(--ease)}
.side-list a:last-child{border-bottom:0}
.side-list a:hover{color:var(--primary)}
.side-list a span{color:var(--primary-300);font-size:12.5px}
.side-cta{background:var(--accent-050);border:1px solid rgba(226,112,58,.4);border-radius:var(--r-card);padding:22px}
.side-cta h3{font-size:16px;font-weight:700;color:var(--ink);line-height:1.5}
.side-cta p{font-size:13.5px;line-height:1.75;color:var(--ink-2);margin:10px 0 16px}
@media (max-width:1023px){
  .toc-box{max-height:none;overflow:visible;display:flex;gap:10px;flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px}
  .toc-link{border-bottom:0;border:1px solid var(--line);border-radius:999px;padding:7px 14px;white-space:nowrap;font-size:13px}
  .toc-link:hover{padding-left:14px;border-color:var(--primary)}
  .toc-sub{padding-left:14px}
}

/* ---------- CTA band ---------- */
.cta-band{margin:8px 0 72px}
.cta-inner{background:var(--primary-050);border:1px solid var(--line);border-radius:var(--r-card);padding:32px;display:grid;gap:22px;grid-template-columns:1fr}
@media (min-width:900px){.cta-inner{grid-template-columns:1.45fr 1fr;align-items:center;padding:40px}}
.cta-inner h2{font-size:clamp(20px,2.4vw,28px);font-weight:700;line-height:1.4;color:var(--ink)}
.cta-inner p{font-size:15px;line-height:1.85;color:var(--ink-2);margin-top:12px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- Footer ---------- */
.site-footer{background:var(--deep);color:#D8E3E0;position:relative;margin-top:auto}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--accent);opacity:.9}
.foot-grid{display:grid;grid-template-columns:1fr;gap:32px;padding:8px 0 40px;border-bottom:1px solid rgba(255,255,255,.12)}
@media (min-width:640px){.foot-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.foot-grid{grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px}}
.foot-brand{font-size:17px;font-weight:800;color:#fff;letter-spacing:-.01em}
.foot-desc{font-size:14px;line-height:1.8;color:#A9BFBB;margin-top:12px;max-width:360px}
.foot-title{font-size:13px;font-weight:700;letter-spacing:.06em;color:#8FA8A4;margin-bottom:14px}
.foot-link{display:block;font-size:14px;line-height:1.7;color:#D8E3E0;padding:5px 0;transition:color .18s var(--ease)}
a.foot-link:hover{color:var(--accent)}
.foot-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding:20px 0 28px;font-size:13px;color:#8FA8A4;letter-spacing:.02em}
.to-top{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:#D8E3E0;transition:color .18s var(--ease)}
.to-top:hover{color:var(--accent)}

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

/* roulang page: category2 */
:root{
    --primary:#14574F; --primary-600:#1B6E62; --primary-300:#7FB3A8; --primary-050:#EAF2F0;
    --accent:#E2703A; --accent-600:#C75A28; --accent-050:#FDEEE6;
    --ink:#13201E; --ink-2:#4B5A57; --ink-3:#7C8A86;
    --bg:#F7F5EF; --surface:#FFFFFF; --line:#E2DCD1; --deep:#0B2E2A;
    --sh-1:0 1px 2px rgba(11,46,42,.06);
    --sh-2:0 10px 28px -16px rgba(11,46,42,.20);
    --sh-3:0 22px 48px -22px rgba(11,46,42,.30);
    --font-cn:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
    --font-num:"Inter",ui-sans-serif,system-ui,sans-serif;
  }
  *,*::before,*::after{ box-sizing:border-box; }
  html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
  body{
    margin:0; background:var(--bg); color:var(--ink);
    font-family:var(--font-cn); font-size:16px; line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4,p,ul,ol,figure{ margin:0; }
  ul,ol{ padding:0; list-style:none; }
  a{ color:inherit; text-decoration:none; transition:color .2s ease-out; }
  img{ max-width:100%; display:block; }
  button{ font-family:inherit; }
  .num{ font-family:var(--font-num); font-variant-numeric:tabular-nums; }
  .container{ width:100%; max-width:1200px; margin:0 auto; padding:0 20px; }
  @media (min-width:768px){ .container{ padding:0 32px; } }

  /* ---------- header ---------- */
  .site-header{
    position:sticky; top:0; z-index:50; background:var(--surface);
    border-bottom:1px solid var(--line); transition:box-shadow .22s ease-out;
  }
  .site-header.scrolled{ box-shadow:var(--sh-2); }
  .header-inner{ display:flex; align-items:center; gap:24px; height:68px; transition:height .22s ease-out; }
  .site-header.scrolled .header-inner{ height:60px; }
  .brand{ display:flex; align-items:center; gap:10px; flex:none; }
  .brand-mark{
    width:36px; height:36px; border-radius:10px; background:var(--primary);
    display:flex; align-items:center; justify-content:center; color:#fff; flex:none;
  }
  .brand-text{ font-size:17px; font-weight:800; letter-spacing:-.01em; color:var(--ink); white-space:nowrap; }
  .brand-text .dim{ color:var(--primary); }
  .nav-main{ display:none; align-items:center; gap:26px; margin-left:12px; }
  .nav-link{
    position:relative; font-size:15px; font-weight:600; color:var(--ink-2);
    padding:6px 0; white-space:nowrap;
  }
  .nav-link:hover{ color:var(--primary); }
  .nav-link.active{ color:var(--primary); }
  .nav-link.active::after{
    content:''; position:absolute; left:0; right:0; bottom:-2px; height:2px;
    background:var(--accent); border-radius:2px;
  }
  .header-actions{ margin-left:auto; display:flex; align-items:center; gap:12px; }
  .mega-wrap{ position:relative; display:none; }
  .mega-trigger{
    display:inline-flex; align-items:center; gap:6px; background:transparent; cursor:pointer;
    border:1px solid var(--line); border-radius:12px; padding:9px 14px;
    font-size:14px; font-weight:600; color:var(--ink-2); transition:all .2s ease-out;
  }
  .mega-trigger:hover{ border-color:var(--primary-300); color:var(--primary); background:var(--primary-050); }
  .mega-trigger[aria-expanded="true"]{ color:var(--primary); border-color:var(--primary-300); background:var(--primary-050); }
  .mega-trigger .chev{ transition:transform .22s ease-out; }
  .mega-trigger[aria-expanded="true"] .chev{ transform:rotate(180deg); }
  .mega-panel{
    position:absolute; right:0; top:calc(100% + 14px); width:800px; background:var(--surface);
    border:1px solid var(--line); border-radius:18px; box-shadow:var(--sh-3);
    opacity:0; visibility:hidden; transform:translateY(8px); transition:all .22s ease-out;
    padding:6px; z-index:60;
  }
  .mega-wrap.open .mega-panel{ opacity:1; visibility:visible; transform:translateY(0); }
  .mega-inner{ display:grid; grid-template-columns:1fr 1fr 1fr; gap:6px; }
  .mega-col{ padding:16px 18px; }
  .mega-title{ font-size:13px; font-weight:700; letter-spacing:.06em; color:var(--ink-3); margin-bottom:10px; }
  .mega-list li a{
    display:flex; align-items:center; gap:10px; padding:9px 0; font-size:15px; font-weight:600; color:var(--ink-2);
    transition:color .2s ease-out, transform .2s ease-out;
  }
  .mega-list li a:hover{ color:var(--primary); transform:translateX(2px); }
  .mega-list .idx{ font-family:var(--font-num); font-size:12px; color:var(--primary-300); font-weight:700; }
  .mega-news li a{ display:block; padding:9px 0; border-bottom:1px dashed var(--line); }
  .mega-news li:last-child a{ border-bottom:0; }
  .mega-news .t{ display:block; font-size:14px; font-weight:600; color:var(--ink-2); white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
  .mega-news .d{ font-family:var(--font-num); font-size:13px; color:var(--ink-3); }
  .mega-news li a:hover .t{ color:var(--primary); }
  .mega-card{ background:var(--accent-050); border:1px solid var(--accent); border-radius:14px; padding:16px; }
  .mega-card-title{ font-size:15px; font-weight:700; color:var(--ink); margin-bottom:6px; }
  .mega-card-desc{ font-size:13.5px; color:var(--ink-2); line-height:1.7; margin-bottom:10px; }
  .mega-card-link{ font-size:14px; font-weight:700; color:var(--accent-600); }
  .mega-card-link:hover{ color:var(--primary); }
  .btn{
    display:inline-flex; align-items:center; justify-content:center; gap:8px;
    border-radius:12px; font-size:15px; font-weight:600; padding:12px 24px;
    border:1.5px solid transparent; cursor:pointer; transition:all .2s ease-out; text-align:center;
  }
  .btn-primary{ background:var(--accent); color:#fff; }
  .btn-primary:hover{ background:var(--accent-600); box-shadow:var(--sh-3); transform:translateY(-1px); }
  .btn-primary:active{ transform:translateY(0); }
  .btn-ghost{ border-color:var(--primary); color:var(--primary); background:transparent; }
  .btn-ghost:hover{ background:var(--primary-050); border-color:var(--primary-600); }
  .btn:focus-visible{ outline:2px solid var(--accent); outline-offset:2px; }
  .btn-sm{ padding:9px 16px; font-size:14px; }
  .header-cta{ display:none; }
  .menu-toggle{
    width:42px; height:42px; border-radius:12px; border:1px solid var(--line); background:transparent;
    display:inline-flex; align-items:center; justify-content:center; color:var(--ink); cursor:pointer;
    transition:all .2s ease-out;
  }
  .menu-toggle:hover{ border-color:var(--primary-300); color:var(--primary); background:var(--primary-050); }
  @media (min-width:1024px){
    .nav-main{ display:flex; }
    .mega-wrap{ display:block; }
    .header-cta{ display:inline-flex; }
    .menu-toggle{ display:none; }
  }

  /* ---------- drawer ---------- */
  .drawer{ position:fixed; inset:0; z-index:80; visibility:hidden; }
  .drawer.open{ visibility:visible; }
  .drawer-mask{ position:absolute; inset:0; background:rgba(11,46,42,.45); opacity:0; transition:opacity .22s ease-out; }
  .drawer.open .drawer-mask{ opacity:1; }
  .drawer-panel{
    position:absolute; right:0; top:0; bottom:0; width:86%; max-width:380px; background:var(--surface);
    transform:translateX(100%); transition:transform .24s ease-out; display:flex; flex-direction:column;
    box-shadow:var(--sh-3);
  }
  .drawer.open .drawer-panel{ transform:translateX(0); }
  .drawer-head{ display:flex; align-items:center; justify-content:space-between; padding:18px 20px; border-bottom:1px solid var(--line); }
  .drawer-brand{ font-size:16px; font-weight:800; color:var(--primary); }
  .drawer-close{ width:38px; height:38px; border-radius:10px; border:1px solid var(--line); background:transparent; font-size:20px; line-height:1; color:var(--ink-2); cursor:pointer; }
  .drawer-nav{ padding:8px 20px; flex:1; overflow-y:auto; }
  .drawer-nav a{ display:flex; align-items:center; min-height:52px; font-size:16px; font-weight:600; color:var(--ink-2); border-bottom:1px solid var(--line); }
  .drawer-nav a.is-active{ color:var(--primary); }
  .drawer-foot{ padding:18px 20px; border-top:1px solid var(--line); }
  .drawer-foot .btn{ width:100%; }
  @media (min-width:1024px){ .drawer{ display:none; } }

  /* ---------- page head ---------- */
  .page-head{ padding:28px 0 0; }
  .page-head-band{
    position:relative; background:var(--primary-050); border:1px solid #D7E6E2;
    border-radius:22px; padding:26px 24px 30px; overflow:hidden;
  }
  @media (min-width:768px){ .page-head-band{ padding:34px 40px 40px; } }
  .arc{ position:absolute; right:-40px; top:-10px; width:70%; height:150%; opacity:.85; pointer-events:none; }
  .crumbs{ position:relative; display:flex; align-items:center; gap:8px; font-size:13px; color:var(--ink-3); margin-bottom:18px; }
  .crumbs a:hover{ color:var(--primary); }
  .crumbs .cur{ color:var(--ink-2); font-weight:600; }
  .badge{
    display:inline-block; background:var(--accent-050); color:var(--accent-600);
    font-size:13px; font-weight:700; letter-spacing:.02em; border-radius:6px; padding:5px 10px; margin-bottom:14px;
  }
  h1.title-main{
    position:relative; font-size:clamp(30px,4.4vw,52px); line-height:1.18; font-weight:800;
    letter-spacing:-.01em; color:var(--ink);
  }
  .head-grid{ position:relative; display:grid; gap:26px; align-items:end; }
  @media (min-width:1024px){ .head-grid{ grid-template-columns:5fr 7fr; gap:40px; } }
  .lead{ font-size:17px; line-height:1.8; color:var(--ink-2); }
  @media (min-width:768px){ .lead{ font-size:18px; } }
  .head-tags{ display:flex; flex-wrap:wrap; gap:8px; margin-top:18px; }
  .tag{
    font-size:13px; font-weight:600; color:var(--primary); background:#fff;
    border:1px solid var(--line); border-radius:999px; padding:6px 14px;
  }
  .head-actions{ display:flex; flex-wrap:wrap; gap:12px; margin-top:22px; }

  /* ---------- sections ---------- */
  .section{ padding:56px 0; }
  @media (min-width:768px){ .section{ padding:76px 0; } }
  @media (min-width:1024px){ .section{ padding:88px 0; } }
  .sec-head{ margin-bottom:30px; }
  .kicker{ font-size:13px; font-weight:700; letter-spacing:.08em; color:var(--accent-600); margin-bottom:10px; }
  h2.title-sec{ font-size:clamp(24px,3vw,36px); line-height:1.3; font-weight:700; color:var(--ink); }
  .sec-desc{ margin-top:14px; font-size:16px; color:var(--ink-2); max-width:760px; }

  .quick-strip{
    background:var(--surface); border:1px solid var(--line); border-radius:18px; box-shadow:var(--sh-2);
    display:grid; grid-template-columns:1fr;
  }
  @media (min-width:768px){ .quick-strip{ grid-template-columns:repeat(2,1fr); } }
  @media (min-width:1024px){ .quick-strip{ grid-template-columns:repeat(4,1fr); } }
  .quick-item{ padding:24px 22px; border-bottom:1px solid var(--line); }
  .quick-item:last-child{ border-bottom:0; }
  @media (min-width:768px){
    .quick-item{ border-right:1px solid var(--line); }
    .quick-item:nth-child(2n){ border-right:0; }
    .quick-item:nth-last-child(-n+2){ border-bottom:0; }
  }
  @media (min-width:1024px){
    .quick-item{ border-bottom:0; border-right:1px solid var(--line); }
    .quick-item:nth-child(2n){ border-right:1px solid var(--line); }
    .quick-item:last-child{ border-right:0; }
  }
  .quick-ico{
    width:38px; height:38px; border-radius:10px; background:var(--primary-050); color:var(--primary);
    display:flex; align-items:center; justify-content:center; margin-bottom:14px;
  }
  .quick-item h3{ font-size:17px; font-weight:700; color:var(--ink); margin-bottom:6px; }
  .quick-item p{ font-size:14.5px; color:var(--ink-2); line-height:1.7; }

  /* ---------- alternating rows ---------- */
  .alt-row{ display:grid; gap:26px; align-items:center; padding:34px 0; border-top:1px solid var(--line); }
  .alt-row:first-of-type{ border-top:0; padding-top:0; }
  @media (min-width:1024px){
    .alt-row{ grid-template-columns:1fr 1fr; gap:56px; padding:44px 0; }
    .alt-row.rev .alt-media{ order:2; }
    .alt-row.rev .alt-body{ order:1; }
  }
  .alt-media{ border-radius:22px; overflow:hidden; box-shadow:var(--sh-2); background:#fff; }
  .alt-media img{ width:100%; aspect-ratio:16/9; object-fit:cover; transition:transform .24s ease-out; }
  .alt-media:hover img{ transform:scale(1.02); }
  .alt-body h3{ font-size:21px; font-weight:700; color:var(--ink); margin-bottom:14px; }
  @media (min-width:1024px){ .alt-body h3{ font-size:24px; } }
  .alt-body p{ font-size:16px; color:var(--ink-2); line-height:1.85; margin-bottom:14px; }
  .link-arrow{
    display:inline-flex; align-items:center; gap:6px; font-size:15px; font-weight:700; color:var(--primary);
    border-bottom:1px solid var(--primary-300); padding-bottom:2px; margin-top:6px;
  }
  .link-arrow:hover{ color:var(--accent-600); border-bottom-color:var(--accent); }

  /* ---------- dark points ---------- */
  .dark-band{ background:var(--deep); color:#fff; position:relative; }
  .dark-band::before{ content:''; position:absolute; top:0; left:0; width:72px; height:2px; background:var(--accent); }
  .dark-band .inner{ padding:52px 0; }
  @media (min-width:768px){ .dark-band .inner{ padding:68px 0; } }
  .dark-grid{ display:grid; gap:26px; }
  @media (min-width:1024px){ .dark-grid{ grid-template-columns:repeat(3,1fr); gap:0; } }
  .dark-item{ padding:0; }
  @media (min-width:1024px){
    .dark-item{ padding:0 32px; border-right:1px solid rgba(255,255,255,.14); }
    .dark-item:last-child{ border-right:0; }
    .dark-item:first-child{ padding-left:0; }
  }
  .dark-num{ font-family:var(--font-num); font-size:34px; font-weight:800; color:var(--accent); line-height:1; margin-bottom:12px; }
  .dark-item h3{ font-size:18px; font-weight:700; color:#fff; margin-bottom:8px; }
  .dark-item p{ font-size:14.5px; line-height:1.8; color:rgba(255,255,255,.72); }

  /* ---------- FAQ ---------- */
  .faq-list{ max-width:900px; }
  .faq-item{
    position:relative; background:var(--surface); border:1px solid var(--line); border-radius:18px;
    margin-bottom:12px; overflow:hidden; transition:box-shadow .2s ease-out;
  }
  .faq-item:hover{ box-shadow:var(--sh-2); }
  .faq-item::before{
    content:''; position:absolute; left:0; top:0; bottom:0; width:3px; background:var(--accent);
    opacity:0; transition:opacity .2s ease-out;
  }
  .faq-item.open::before{ opacity:1; }
  .faq-q{
    width:100%; display:flex; align-items:center; justify-content:space-between; gap:16px;
    text-align:left; background:none; border:0; cursor:pointer; padding:20px 22px;
    font-size:16.5px; font-weight:700; color:var(--ink); transition:color .2s ease-out;
  }
  .faq-item.open .faq-q{ color:var(--primary); }
  .faq-icon{ flex:none; color:var(--primary-300); transition:transform .22s ease-out, color .22s ease-out; }
  .faq-item.open .faq-icon{ transform:rotate(45deg); color:var(--accent); }
  .faq-a{ max-height:0; overflow:hidden; transition:max-height .22s ease-out; }
  .faq-a-inner{ padding:0 22px 22px; font-size:15.5px; line-height:1.9; color:var(--ink-2); }

  /* ---------- form ---------- */
  .form-band{ background:var(--surface); border:1px solid var(--line); border-radius:22px; box-shadow:var(--sh-2); padding:28px 22px; }
  @media (min-width:768px){ .form-band{ padding:40px; } }
  .form-grid{ display:grid; gap:20px; margin-top:26px; }
  @media (min-width:768px){ .form-grid{ grid-template-columns:repeat(3,1fr); } }
  .field label{ display:block; font-size:14px; font-weight:600; color:var(--ink); margin-bottom:8px; }
  .field input, .field select{
    width:100%; background:#fff; border:1px solid var(--line); border-radius:12px;
    padding:12px 16px; font-size:15px; color:var(--ink); font-family:inherit; transition:border-color .2s ease-out, box-shadow .2s ease-out;
  }
  .field input::placeholder{ color:var(--ink-3); }
  .field input:focus, .field select:focus{ outline:none; border-color:var(--primary); box-shadow:0 0 0 4px rgba(20,87,79,.12); }
  .form-foot{ display:flex; flex-wrap:wrap; align-items:center; gap:16px; margin-top:24px; }
  .form-note{ font-size:13.5px; color:var(--ink-3); }
  .form-msg{ font-size:14px; font-weight:600; color:#2F855A; display:none; }
  .form-msg.show{ display:inline-flex; }

  /* ---------- footer ---------- */
  .site-footer{ background:var(--deep); color:#fff; position:relative; }
  .site-footer::before{ content:''; position:absolute; top:0; left:0; width:72px; height:2px; background:var(--accent); }
  .site-footer .container{ border-top:1px solid rgba(255,255,255,.12); }
  .foot-grid{ display:grid; grid-template-columns:1fr; gap:32px; }
  @media (min-width:640px){ .foot-grid{ grid-template-columns:1fr 1fr; } }
  @media (min-width:1024px){ .foot-grid{ grid-template-columns:1.5fr 1fr 1fr 1.2fr; gap:40px; } }
  .foot-brand{ font-size:18px; font-weight:800; color:#fff; margin-bottom:12px; }
  .foot-desc{ font-size:14px; line-height:1.85; color:rgba(255,255,255,.62); max-width:340px; }
  .foot-title{ font-size:14px; font-weight:700; letter-spacing:.04em; color:#fff; margin-bottom:14px; }
  .foot-link{ display:block; font-size:14px; color:rgba(255,255,255,.66); padding:6px 0; }
  .foot-link:hover{ color:var(--accent); }
  .foot-bottom{
    display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:12px;
    border-top:1px solid rgba(255,255,255,.12); margin-top:36px; padding:20px 0;
    font-size:13px; color:rgba(255,255,255,.52);
  }
  .to-top{ display:inline-flex; align-items:center; gap:6px; color:rgba(255,255,255,.78); font-size:13px; }
  .to-top:hover{ color:var(--accent); }

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