/* roulang page: index */
:root{
  --ld-primary:#F2542D;
  --ld-primary-hover:#D8431F;
  --ld-primary-soft:#FFEDE5;
  --ld-primary-deep:#C33F17;
  --ld-ink:#12211D;
  --ld-ink-text:#FFF9F4;
  --ld-accent:#FFC24B;
  --ld-bg:#FFF9F4;
  --ld-card:#FFFFFF;
  --ld-line:#F0E2D8;
  --ld-text:#1F1B18;
  --ld-muted:#6B6259;
  --ld-r-card:18px;
  --ld-r-img:14px;
  --ld-r-input:12px;
  --ld-shadow:0 2px 4px rgba(31,27,24,.04), 0 12px 28px -12px rgba(242,84,45,.18);
  --ld-shadow-hover:0 4px 8px rgba(31,27,24,.06), 0 20px 40px -16px rgba(242,84,45,.28);
  --ld-ease:cubic-bezier(.2,.7,.3,1);
  --ld-font:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --ld-num:"Space Grotesk","Barlow","HarmonyOS Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--ld-font);
  background:var(--ld-bg);
  color:var(--ld-text);
  font-size:16px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--ld-primary);outline-offset:2px;border-radius:6px}
.ld-container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:640px){.ld-container{padding:0 24px}}
@media (min-width:1024px){.ld-container{padding:0 32px}}

/* ---------- header ---------- */
.ld-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,249,244,.985);
  border-bottom:1px solid var(--ld-line);
  transition:box-shadow .24s var(--ld-ease);
}
.ld-header.is-scrolled{box-shadow:0 6px 20px -12px rgba(31,27,24,.32)}
.ld-topbar-inner{display:flex;align-items:center;gap:18px;height:68px}
.ld-logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:20px;letter-spacing:-.02em;flex:0 0 auto}
.ld-logo-mark{
  width:36px;height:36px;border-radius:11px;background:var(--ld-primary);
  display:grid;place-items:center;color:#fff;flex:0 0 auto;
  box-shadow:0 8px 18px -10px rgba(242,84,45,.9);
}
.ld-logo-text{white-space:nowrap}
.ld-logo-text em{font-style:normal;color:var(--ld-primary-deep)}
.ld-search{
  margin-left:auto;display:none;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--ld-line);border-radius:999px;
  padding:0 6px 0 16px;height:42px;width:260px;
  transition:border-color .2s var(--ld-ease),box-shadow .2s var(--ld-ease);
}
.ld-search:focus-within{border-color:var(--ld-primary);box-shadow:0 0 0 3px rgba(242,84,45,.16)}
.ld-search input{
  border:0;background:transparent;outline:none;flex:1;min-width:0;
  font-size:14px;color:var(--ld-text);height:100%;
}
.ld-search input::placeholder{color:#A79C92}
.ld-search button{
  border:0;background:var(--ld-primary-soft);color:var(--ld-primary-deep);
  width:32px;height:32px;border-radius:50%;display:grid;place-items:center;cursor:pointer;
  transition:background .2s var(--ld-ease),transform .2s var(--ld-ease);
}
.ld-search button:hover{background:var(--ld-primary);color:#fff}
.ld-topbar-cta{display:none}
.ld-burger{
  margin-left:auto;width:42px;height:42px;border-radius:12px;border:1px solid var(--ld-line);
  background:#fff;display:grid;place-items:center;cursor:pointer;gap:0;
}
.ld-burger span{display:block;width:18px;height:2px;background:var(--ld-text);border-radius:2px;margin:2.5px 0;transition:transform .22s var(--ld-ease),opacity .22s var(--ld-ease)}
.ld-header.is-open .ld-burger span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.ld-header.is-open .ld-burger span:nth-child(2){opacity:0}
.ld-header.is-open .ld-burger span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}
.ld-nav{display:none;border-top:1px solid var(--ld-line);position:relative}
.ld-nav-inner{position:relative}
.ld-tabs{
  display:flex;gap:6px;padding:8px 0;overflow-x:auto;scrollbar-width:none;
}
.ld-tabs::-webkit-scrollbar{display:none}
.ld-tab{
  display:inline-block;padding:8px 16px;border-radius:999px;
  font-size:15px;font-weight:600;color:var(--ld-muted);white-space:nowrap;
  transition:background .2s var(--ld-ease),color .2s var(--ld-ease);
}
.ld-tab:hover{background:var(--ld-primary-soft);color:var(--ld-primary-deep)}
.ld-tab.is-active{background:var(--ld-primary);color:#fff;box-shadow:0 8px 18px -12px rgba(242,84,45,.9)}
@media (min-width:900px){
  .ld-search{display:flex}
  .ld-topbar-cta{display:inline-flex}
  .ld-burger{display:none}
  .ld-nav{display:block}
}
@media (max-width:899px){
  .ld-header.is-open .ld-nav{display:block;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--ld-line);box-shadow:0 18px 30px -22px rgba(31,27,24,.5)}
  .ld-header.is-open .ld-tabs{flex-direction:column;padding:12px 20px 18px;overflow:visible}
  .ld-header.is-open .ld-tab{padding:12px 16px}
  .ld-logo{font-size:18px}
}

/* ---------- buttons ---------- */
.ld-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:999px;font-weight:700;font-size:15px;
  border:1.5px solid transparent;cursor:pointer;
  transition:background .2s var(--ld-ease),color .2s var(--ld-ease),transform .2s var(--ld-ease),box-shadow .2s var(--ld-ease),border-color .2s var(--ld-ease);
}
.ld-btn-primary{background:var(--ld-primary);color:#fff;box-shadow:var(--ld-shadow)}
.ld-btn-primary:hover{background:var(--ld-primary-hover);transform:translateY(-2px);box-shadow:var(--ld-shadow-hover)}
.ld-btn-primary:active{transform:translateY(0)}
.ld-btn-ghost{background:#fff;color:var(--ld-primary-deep);border-color:var(--ld-primary)}
.ld-btn-ghost:hover{background:var(--ld-primary-soft);transform:translateY(-2px)}
.ld-btn-light{background:#fff;color:var(--ld-ink);border-color:#fff}
.ld-btn-light:hover{background:var(--ld-accent);border-color:var(--ld-accent);transform:translateY(-2px)}
.ld-btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.ld-link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:15px;color:var(--ld-primary-deep);
}
.ld-link-arrow svg{transition:transform .2s var(--ld-ease)}
.ld-link-arrow:hover svg{transform:translateX(4px)}

/* ---------- hero ---------- */
.ld-hero{position:relative;padding:44px 0 56px;overflow:hidden}
.ld-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(242,84,45,.16) 1.4px,transparent 1.4px);
  background-size:16px 16px;opacity:.5;
  -webkit-mask-image:linear-gradient(120deg,#000,transparent 62%);
  mask-image:linear-gradient(120deg,#000,transparent 62%);
}
.ld-hero-grid{position:relative;display:grid;gap:36px}
.ld-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--ld-primary-soft);color:var(--ld-primary-deep);
  font-size:13px;font-weight:700;padding:6px 14px;border-radius:999px;margin-bottom:20px;
}
.ld-eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--ld-primary);display:inline-block}
.ld-hero-title{
  font-size:clamp(30px,4.6vw,52px);line-height:1.16;font-weight:800;letter-spacing:-.02em;margin:0 0 18px;
}
.ld-hero-title span{color:var(--ld-primary)}
.ld-hero-sub{font-size:17px;color:var(--ld-muted);max-width:520px;margin-bottom:28px}
.ld-hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.ld-stats{display:flex;flex-wrap:wrap;gap:14px 34px;margin-top:34px}
.ld-stat-num{font-family:var(--ld-num);font-size:26px;font-weight:700;line-height:1.2;color:var(--ld-primary-deep)}
.ld-stat-label{font-size:13px;color:var(--ld-muted);margin-top:2px}
.ld-hero-media{position:relative}
.ld-hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:20px;
  border:1px solid var(--ld-line);background:var(--ld-primary-soft);
  box-shadow:var(--ld-shadow);
}
.ld-hero-chip{
  position:absolute;left:16px;bottom:16px;
  background:rgba(255,249,244,.96);border:1px solid var(--ld-line);border-radius:14px;
  padding:12px 16px;display:flex;align-items:center;gap:12px;
  box-shadow:0 10px 24px -16px rgba(31,27,24,.6);
}
.ld-hero-chip b{font-family:var(--ld-num);font-size:18px;color:var(--ld-primary-deep)}
.ld-hero-chip span{font-size:12.5px;color:var(--ld-muted);line-height:1.5;display:block}
.ld-wave{display:flex;align-items:flex-end;gap:4px;height:26px}
.ld-wave i{width:4px;border-radius:3px;background:linear-gradient(180deg,var(--ld-accent),var(--ld-primary))}
.ld-wave i:nth-child(1){height:38%}
.ld-wave i:nth-child(2){height:72%}
.ld-wave i:nth-child(3){height:100%}
.ld-wave i:nth-child(4){height:56%}
.ld-wave i:nth-child(5){height:84%}
.ld-wave i:nth-child(6){height:44%}
@media (min-width:1024px){
  .ld-hero{padding:64px 0 80px}
  .ld-hero-grid{grid-template-columns:55fr 45fr;align-items:center;gap:52px}
}

/* ---------- section base ---------- */
.ld-section{padding:56px 0}
.ld-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:32px}
.ld-h2{font-size:clamp(24px,3vw,36px);font-weight:800;letter-spacing:-.02em;line-height:1.25}
.ld-lead{color:var(--ld-muted);font-size:16px;margin-top:12px;max-width:660px}
.ld-kicker{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--ld-primary-deep);margin-bottom:10px;text-transform:uppercase;
}
@media (min-width:1024px){.ld-section{padding:80px 0}}

/* ---------- value strip ---------- */
.ld-value{
  background:#fff;border:1px solid var(--ld-line);border-radius:24px;
  padding:28px;box-shadow:var(--ld-shadow);
}
.ld-value-grid{display:grid;gap:24px}
.ld-points{display:grid;gap:14px}
.ld-point{
  background:var(--ld-bg);border:1px solid var(--ld-line);border-radius:16px;padding:18px;
  transition:border-color .2s var(--ld-ease),transform .2s var(--ld-ease);
}
.ld-point:hover{border-color:#E6CDBE;transform:translateY(-2px)}
.ld-point h3{font-size:16px;font-weight:700;margin-bottom:6px;display:flex;align-items:center;gap:8px}
.ld-point h3 i{width:8px;height:8px;border-radius:3px;background:var(--ld-accent);display:inline-block;flex:0 0 auto}
.ld-point p{font-size:14px;color:var(--ld-muted);line-height:1.7}
@media (min-width:640px){.ld-points{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){
  .ld-value{padding:40px}
  .ld-value-grid{grid-template-columns:1fr 1fr;gap:44px;align-items:center}
}

/* ---------- feature groups ---------- */
.ld-feature{display:grid;gap:32px;align-items:center;margin-top:56px}
.ld-feature:first-of-type{margin-top:0}
.ld-feature-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--ld-r-card);
  border:1px solid var(--ld-line);background:var(--ld-primary-soft);box-shadow:var(--ld-shadow);
}
.ld-feature-body h3{font-size:clamp(22px,2.4vw,28px);font-weight:800;letter-spacing:-.01em;margin-bottom:10px}
.ld-feature-body > p{color:var(--ld-muted);font-size:15.5px;max-width:520px}
.ld-rows{display:grid;gap:18px;margin-top:24px}
.ld-row{display:flex;gap:14px;align-items:flex-start}
.ld-row-icon{
  flex:0 0 42px;height:42px;border-radius:12px;background:var(--ld-primary-soft);
  color:var(--ld-primary-deep);display:grid;place-items:center;
}
.ld-row h4{font-size:16px;font-weight:700;margin-bottom:3px}
.ld-row p{font-size:14.5px;color:var(--ld-muted);line-height:1.7}
@media (min-width:1024px){
  .ld-feature{grid-template-columns:1fr 1fr;gap:56px;margin-top:72px}
  .ld-feature.is-reverse .ld-feature-media{order:2}
}

/* ---------- scenes ---------- */
.ld-scenes{display:grid;gap:20px}
.ld-scene{
  background:#fff;border:1px solid var(--ld-line);border-radius:var(--ld-r-card);
  padding:24px;transition:transform .2s var(--ld-ease),box-shadow .2s var(--ld-ease),border-color .2s var(--ld-ease);
}
.ld-scene:hover{transform:translateY(-4px);box-shadow:var(--ld-shadow-hover);border-color:#EBD6C8}
.ld-scene-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:var(--ld-primary-soft);color:var(--ld-primary-deep);margin-bottom:16px;
}
.ld-scene h3{font-size:17px;font-weight:700;margin-bottom:8px}
.ld-scene p{font-size:14.5px;color:var(--ld-muted);line-height:1.72}
@media (min-width:640px){.ld-scenes{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.ld-scenes{grid-template-columns:repeat(4,1fr)}}

/* ---------- cases ---------- */
.ld-case-main{
  background:#fff;border:1px solid var(--ld-line);border-radius:var(--ld-r-card);overflow:hidden;
  display:grid;box-shadow:var(--ld-shadow);
}
.ld-case-main img{width:100%;height:100%;aspect-ratio:16/10;object-fit:cover;background:var(--ld-primary-soft)}
.ld-case-body{padding:28px}
.ld-case-body h3{font-size:clamp(20px,2.2vw,26px);font-weight:800;margin:12px 0 10px}
.ld-case-body p{color:var(--ld-muted);font-size:15px}
.ld-metrics{display:flex;flex-wrap:wrap;gap:16px 32px;margin:20px 0 24px}
.ld-metrics b{font-family:var(--ld-num);font-size:22px;color:var(--ld-primary-deep);display:block;line-height:1.2}
.ld-metrics span{font-size:13px;color:var(--ld-muted)}
.ld-badge{
  display:inline-block;background:var(--ld-primary-soft);color:var(--ld-primary-deep);
  font-size:12px;font-weight:700;padding:4px 10px;border-radius:6px;
}
.ld-case-minis{display:grid;gap:18px;margin-top:20px}
.ld-case-mini{
  background:#fff;border:1px solid var(--ld-line);border-radius:16px;padding:22px;
  transition:transform .2s var(--ld-ease),box-shadow .2s var(--ld-ease);
}
.ld-case-mini:hover{transform:translateY(-3px);box-shadow:var(--ld-shadow)}
.ld-case-mini h4{font-size:16px;font-weight:700;margin:10px 0 6px}
.ld-case-mini p{font-size:14px;color:var(--ld-muted);line-height:1.7}
@media (min-width:900px){
  .ld-case-main{grid-template-columns:1fr 1fr}
  .ld-case-minis{grid-template-columns:repeat(3,1fr)}
}

/* ---------- cms posts ---------- */
.ld-posts{display:grid;gap:24px}
.ld-post-card{
  background:#fff;border:1px solid var(--ld-line);border-radius:var(--ld-r-card);overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .2s var(--ld-ease),box-shadow .2s var(--ld-ease),border-color .2s var(--ld-ease);
}
.ld-post-card:hover{transform:translateY(-4px);box-shadow:var(--ld-shadow-hover);border-color:#EBD6C8}
.ld-post-cover{display:block;overflow:hidden;background:var(--ld-primary-soft)}
.ld-post-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s var(--ld-ease)}
.ld-post-card:hover .ld-post-cover img{transform:scale(1.03)}
.ld-post-body{padding:20px;display:flex;flex-direction:column;flex:1}
.ld-post-body h3{font-size:18px;font-weight:700;line-height:1.45;margin:10px 0 8px}
.ld-post-body h3 a{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ld-post-body h3 a:hover{color:var(--ld-primary-deep)}
.ld-post-body p{
  font-size:14.5px;color:var(--ld-muted);line-height:1.72;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.ld-post-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:16px;font-size:13px;color:#9A9086;
}
.ld-post-meta .ld-arrow{color:var(--ld-primary);font-weight:700;transition:transform .2s var(--ld-ease)}
.ld-post-card:hover .ld-arrow{transform:translateX(4px)}
.ld-empty{
  min-height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:12px;text-align:center;background:var(--ld-bg);border:1px dashed #E3D0C2;
  border-radius:var(--ld-r-card);padding:40px 24px;color:var(--ld-muted);
}
.ld-empty svg{color:var(--ld-primary)}
.ld-empty p{font-size:15px}
@media (min-width:640px){.ld-posts{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.ld-posts{grid-template-columns:repeat(3,1fr)}}

/* ---------- prices ---------- */
.ld-prices{display:grid;gap:24px;align-items:start}
.ld-price-card{
  position:relative;background:#fff;border:1px solid var(--ld-line);border-radius:var(--ld-r-card);
  padding:28px;transition:transform .2s var(--ld-ease),box-shadow .2s var(--ld-ease),border-color .2s var(--ld-ease);
}
.ld-price-card:hover{transform:translateY(-4px);box-shadow:var(--ld-shadow)}
.ld-price-card.is-featured{
  border-color:var(--ld-primary);border-width:2px;
  box-shadow:var(--ld-shadow-hover);transform:translateY(-8px);
}
.ld-price-card.is-featured:hover{transform:translateY(-12px)}
.ld-price-badge{
  position:absolute;top:-13px;right:22px;background:var(--ld-accent);color:var(--ld-ink);
  font-size:12px;font-weight:800;padding:5px 14px;border-radius:999px;letter-spacing:.02em;
}
.ld-price-name{font-size:15px;font-weight:700;color:var(--ld-muted)}
.ld-price-num{font-family:var(--ld-num);font-size:34px;font-weight:700;letter-spacing:-.02em;line-height:1.2;margin:10px 0 4px}
.ld-price-num em{font-style:normal;font-size:14px;color:var(--ld-muted);font-weight:500;margin-left:4px}
.ld-price-desc{font-size:14px;color:var(--ld-muted);min-height:44px}
.ld-price-list{display:grid;gap:10px;margin:20px 0 24px}
.ld-price-list li{display:flex;gap:10px;font-size:14.5px;color:#4A423C;line-height:1.65}
.ld-price-list li::before{
  content:"";flex:0 0 16px;height:16px;margin-top:4px;border-radius:50%;
  background:var(--ld-primary-soft);
  box-shadow:inset 0 0 0 1.5px var(--ld-primary);
}
.ld-price-card .ld-btn{width:100%}
.ld-price-note{text-align:center;font-size:13px;color:var(--ld-muted);margin-top:28px}
@media (min-width:900px){.ld-prices{grid-template-columns:repeat(3,1fr)}}

/* ---------- faq ---------- */
.ld-faq{max-width:820px;margin:0 auto;display:grid;gap:12px}
.ld-faq-item{background:#fff;border:1px solid var(--ld-line);border-radius:14px;overflow:hidden;transition:border-color .2s var(--ld-ease)}
.ld-faq-item.is-open{border-color:var(--ld-primary)}
.ld-faq-btn{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:700;color:var(--ld-text);transition:color .2s var(--ld-ease);
}
.ld-faq-btn:hover{color:var(--ld-primary-deep)}
.ld-faq-item.is-open .ld-faq-btn{color:var(--ld-primary-deep)}
.ld-faq-icon{flex:0 0 auto;color:var(--ld-primary);transition:transform .25s var(--ld-ease)}
.ld-faq-item.is-open .ld-faq-icon{transform:rotate(180deg)}
.ld-faq-panel{max-height:0;overflow:hidden;transition:max-height .3s var(--ld-ease)}
.ld-faq-panel p{padding:0 20px 20px;font-size:15px;color:var(--ld-muted);line-height:1.8}

/* ---------- cta ---------- */
.ld-cta{
  position:relative;overflow:hidden;
  background:var(--ld-ink);color:var(--ld-ink-text);
  border-radius:24px;padding:36px 24px;
}
.ld-cta::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,84,45,.42),transparent 68%);
}
.ld-cta-grid{position:relative;display:grid;gap:28px}
.ld-cta h2{font-size:clamp(24px,3vw,34px);font-weight:800;letter-spacing:-.02em;line-height:1.28}
.ld-cta p{color:#C7D3CD;font-size:15.5px;margin-top:12px;max-width:460px}
.ld-form{display:grid;gap:14px}
.ld-field{display:grid;gap:6px}
.ld-field label{font-size:13px;color:#BDCAC4;font-weight:600}
.ld-input{
  width:100%;height:46px;border-radius:var(--ld-r-input);border:1px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.06);color:#fff;padding:0 14px;font-size:15px;
  transition:border-color .2s var(--ld-ease),box-shadow .2s var(--ld-ease),background .2s var(--ld-ease);
}
.ld-input::placeholder{color:#8FA099}
.ld-input:focus{outline:none;border-color:var(--ld-primary);background:rgba(255,255,255,.1);box-shadow:0 0 0 3px rgba(242,84,45,.24)}
.ld-form-row{display:grid;gap:14px}
.ld-form-note{font-size:12.5px;color:#93A49D}
.ld-form-success{
  display:none;background:rgba(88,196,140,.16);border:1px solid rgba(88,196,140,.5);color:#BDF0D3;
  font-size:14px;border-radius:12px;padding:12px 14px;
}
.ld-form-success.is-visible{display:block}
@media (min-width:640px){.ld-form-row{grid-template-columns:1fr 1fr}}
@media (min-width:900px){.ld-cta{padding:52px 48px}.ld-cta-grid{grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}}

/* ---------- footer ---------- */
.ld-footer{background:var(--ld-ink);color:var(--ld-ink-text);margin-top:80px;border-top:3px solid var(--ld-primary)}
.ld-footer-grid{display:grid;gap:32px;padding:52px 0 40px}
.ld-footer .ld-logo-text{color:#fff}
.ld-footer-brand p{font-size:14px;color:#A9B8B2;margin-top:14px;max-width:280px;line-height:1.8}
.ld-socials{display:flex;gap:10px;margin-top:18px}
.ld-social{
  width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  background:rgba(255,255,255,.08);color:#D6E1DC;transition:background .2s var(--ld-ease),color .2s var(--ld-ease),transform .2s var(--ld-ease);
}
.ld-social:hover{background:var(--ld-primary);color:#fff;transform:translateY(-2px)}
.ld-footer h4{font-size:14px;font-weight:700;letter-spacing:.06em;color:#fff;margin-bottom:16px}
.ld-footer-list{display:grid;gap:10px}
.ld-footer-list a,.ld-footer-list span{font-size:14px;color:#A9B8B2;transition:color .2s var(--ld-ease)}
.ld-footer-list a:hover{color:#fff}
.ld-footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:18px 0 24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8C9C96;
}
.ld-to-top{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;color:#C7D3CD;
  background:none;border:0;cursor:pointer;transition:color .2s var(--ld-ease);
}
.ld-to-top:hover{color:#fff}
@media (min-width:640px){.ld-footer-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.ld-footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}}

/* roulang page: article */
:root{
  --ld-orange:#F2542D;
  --ld-orange-hover:#D8431F;
  --ld-orange-soft:#FFEDE5;
  --ld-orange-deep:#C33F17;
  --ld-ink:#12211D;
  --ld-yellow:#FFC24B;
  --ld-bg:#FFF9F4;
  --ld-card:#FFFFFF;
  --ld-line:#F0E2D8;
  --ld-text:#1F1B18;
  --ld-muted:#6B6259;
  --ld-r-card:18px;
  --ld-r-img:14px;
  --ld-r-input:12px;
  --ld-shadow:0 2px 4px rgba(31,27,24,.04), 0 12px 28px -12px rgba(242,84,45,.18);
  --ld-shadow-hover:0 4px 10px rgba(31,27,24,.06), 0 22px 42px -16px rgba(242,84,45,.3);
  --ld-ease:cubic-bezier(.2,.7,.3,1);
  --ld-container:1200px;
  --ld-num:"Space Grotesk","Barlow","HarmonyOS Sans SC",ui-sans-serif,system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:140px}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  background:var(--ld-bg);
  color:var(--ld-text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.25;letter-spacing:-.02em}
p{margin:0}
:focus-visible{outline:2px solid var(--ld-orange);outline-offset:2px;border-radius:6px}
.ld-container{width:100%;max-width:var(--ld-container);margin:0 auto;padding:0 20px}
@media (min-width:768px){.ld-container{padding:0 24px}}
@media (min-width:1100px){.ld-container{padding:0 32px}}
.ld-sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ============ Header ============ */
.ld-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,249,244,.98);
  border-bottom:1px solid var(--ld-line);
  transition:box-shadow .25s var(--ld-ease);
}
.ld-header.is-stuck{box-shadow:0 10px 26px -20px rgba(31,27,24,.75)}
.ld-topbar-inner{display:flex;align-items:center;gap:16px;height:68px;min-height:68px}
.ld-logo{display:inline-flex;align-items:center;gap:9px;flex-shrink:0}
.ld-logo-mark{
  width:32px;height:32px;border-radius:10px;
  background:linear-gradient(140deg,var(--ld-orange),#FF8A5B);
  color:#fff;display:grid;place-items:center;
  box-shadow:0 8px 16px -10px rgba(242,84,45,.95);
}
.ld-logo-text{font-size:20px;font-weight:800;letter-spacing:-.02em;white-space:nowrap}
.ld-logo-text em{font-style:normal;color:var(--ld-orange)}
.ld-search{
  display:flex;align-items:center;gap:6px;
  flex:1;max-width:260px;height:40px;
  padding:0 6px 0 16px;
  background:#fff;border:1px solid var(--ld-line);
  border-radius:999px;
  transition:border-color .2s var(--ld-ease),box-shadow .2s var(--ld-ease),background .2s var(--ld-ease);
}
.ld-search:focus-within{border-color:var(--ld-orange);box-shadow:0 0 0 3px rgba(242,84,45,.14)}
.ld-search input{
  flex:1;min-width:0;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--ld-text);
}
.ld-search input::placeholder{color:#A79B90}
.ld-search button{
  display:grid;place-items:center;width:30px;height:30px;flex-shrink:0;
  border-radius:50%;color:var(--ld-orange);
  transition:background .2s var(--ld-ease),color .2s var(--ld-ease);
}
.ld-search button:hover{background:var(--ld-orange-soft)}
.ld-topbar-cta{margin-left:auto;flex-shrink:0}
.ld-burger{
  display:none;width:42px;height:42px;margin-left:auto;
  border:1px solid var(--ld-line);border-radius:12px;background:#fff;
  padding:11px 10px;flex-direction:column;justify-content:space-between;
}
.ld-burger span{display:block;height:2px;border-radius:2px;background:var(--ld-text);transition:transform .25s var(--ld-ease),opacity .2s var(--ld-ease)}
.ld-burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.ld-burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.ld-burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.ld-nav{background:var(--ld-bg);border-top:1px solid rgba(240,226,216,.7)}
.ld-nav-inner{position:relative;display:flex;align-items:center;min-height:52px}
.ld-nav-inner::after{
  content:"";position:absolute;right:0;top:0;bottom:0;width:42px;pointer-events:none;
  background:linear-gradient(90deg,rgba(255,249,244,0),rgba(255,249,244,.98));
}
.ld-tabs{display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none;padding:6px 0}
.ld-tabs::-webkit-scrollbar{display:none}
.ld-tab{
  display:inline-block;white-space:nowrap;
  padding:8px 16px;border-radius:999px;
  font-size:15px;font-weight:600;color:#4A423B;
  transition:background .2s var(--ld-ease),color .2s var(--ld-ease);
}
.ld-tab:hover{background:var(--ld-orange-soft);color:var(--ld-orange-deep)}
.ld-tab.is-active{background:var(--ld-orange);color:#fff;box-shadow:0 8px 16px -12px rgba(242,84,45,1)}

/* ============ Buttons ============ */
.ld-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:999px;
  font-size:15px;font-weight:700;line-height:1.2;
  border:1.5px solid transparent;
  transition:transform .2s var(--ld-ease),background .2s var(--ld-ease),color .2s var(--ld-ease),box-shadow .2s var(--ld-ease),border-color .2s var(--ld-ease);
}
.ld-btn-primary{background:var(--ld-orange);color:#fff;box-shadow:0 12px 24px -16px rgba(242,84,45,1)}
.ld-btn-primary:hover{background:var(--ld-orange-hover);transform:translateY(-2px);box-shadow:0 16px 28px -14px rgba(242,84,45,.95)}
.ld-btn-primary:active{transform:translateY(0)}
.ld-btn-ghost{background:#fff;color:var(--ld-orange-deep);border-color:var(--ld-orange)}
.ld-btn-ghost:hover{background:var(--ld-orange-soft);transform:translateY(-2px)}
.ld-btn-light{background:#fff;color:var(--ld-ink)}
.ld-btn-light:hover{background:#FFF1E7;transform:translateY(-2px)}
.ld-btn-outline-light{background:transparent;color:#FFF9F4;border-color:rgba(255,249,244,.5)}
.ld-btn-outline-light:hover{background:rgba(255,249,244,.12);border-color:#FFF9F4;transform:translateY(-2px)}
.ld-btn-sm{padding:9px 18px;font-size:14px}
.ld-btn[disabled],.ld-btn:disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}
.ld-link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--ld-orange-deep);
  transition:color .2s var(--ld-ease);
}
.ld-link-arrow svg{transition:transform .2s var(--ld-ease)}
.ld-link-arrow:hover{color:var(--ld-orange)}
.ld-link-arrow:hover svg{transform:translateX(4px)}

/* ============ Badge / tags ============ */
.ld-badge{
  display:inline-flex;align-items:center;gap:5px;
  padding:4px 11px;border-radius:6px;
  font-size:12px;font-weight:700;letter-spacing:.02em;
  background:var(--ld-orange-soft);color:var(--ld-orange-deep);
}
.ld-badge-yellow{background:var(--ld-yellow);color:var(--ld-ink)}

/* ============ Breadcrumb ============ */
.ld-crumb-wrap{padding-top:26px}
.ld-crumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13.5px;color:var(--ld-muted);
}
.ld-crumb a{color:var(--ld-muted);transition:color .2s var(--ld-ease)}
.ld-crumb a:hover{color:var(--ld-orange-deep)}
.ld-crumb .ld-crumb-sep{color:#C9BBAF}
.ld-crumb-current{color:var(--ld-text);font-weight:600;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ============ Article ============ */
.ld-article-layout{
  display:grid;grid-template-columns:minmax(0,1fr);gap:40px;
  padding-top:26px;padding-bottom:72px;
  align-items:start;
}
@media (min-width:1100px){
  .ld-article-layout{grid-template-columns:minmax(0,1fr) 292px;gap:56px;padding-top:32px;padding-bottom:88px}
}
.ld-article{min-width:0}
.ld-article-cover{
  position:relative;border-radius:20px;overflow:hidden;
  background:#F7EBE1;aspect-ratio:16/8;
  box-shadow:var(--ld-shadow);
  margin-bottom:32px;
}
.ld-article-cover img{width:100%;height:100%;object-fit:cover}
.ld-article-cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(18,33,29,0) 45%,rgba(18,33,29,.42) 100%);
}
.ld-cover-cap{
  position:absolute;left:20px;bottom:16px;z-index:2;
  font-size:13px;color:#FFF9F4;letter-spacing:.02em;
}
.ld-article-title{
  font-size:clamp(28px,4.2vw,42px);
  line-height:1.26;letter-spacing:-.025em;
  margin:14px 0 18px;
}
.ld-article-meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px;
  font-size:13.5px;color:var(--ld-muted);
  padding-bottom:22px;border-bottom:1px solid var(--ld-line);
}
.ld-dot{width:4px;height:4px;border-radius:50%;background:#D6C6B8;display:inline-block}
.ld-meta-author{display:inline-flex;align-items:center;gap:7px;color:var(--ld-text);font-weight:600}
.ld-meta-avatar{
  width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--ld-orange),#FF9A6B);color:#fff;font-size:12px;font-weight:800;
}
.ld-article-body{
  max-width:760px;
  font-size:17px;line-height:1.9;
  color:#2A2420;
  margin-top:30px;
  overflow-wrap:break-word;
}
.ld-article-body p{margin:1.2em 0}
.ld-article-body h2{
  font-size:clamp(22px,2.5vw,28px);
  margin:2.1em 0 .8em;
  padding-left:15px;position:relative;
  scroll-margin-top:140px;
}
.ld-article-body h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;
  border-radius:3px;background:var(--ld-orange);
}
.ld-article-body h3{font-size:20px;font-weight:700;margin:1.7em 0 .6em;scroll-margin-top:140px}
.ld-article-body h4{font-size:17px;font-weight:700;margin:1.4em 0 .5em}
.ld-article-body ul,.ld-article-body ol{margin:1.2em 0;padding-left:1.45em}
.ld-article-body ul{list-style:disc}
.ld-article-body ol{list-style:decimal}
.ld-article-body li{margin:.5em 0;padding-left:.2em}
.ld-article-body li::marker{color:var(--ld-orange)}
.ld-article-body blockquote{
  margin:1.6em 0;padding:18px 22px;
  background:var(--ld-orange-soft);
  border-left:4px solid var(--ld-orange);
  border-radius:0 12px 12px 0;
  color:#3A2A22;font-size:16.5px;
}
.ld-article-body blockquote p:first-child{margin-top:0}
.ld-article-body blockquote p:last-child{margin-bottom:0}
.ld-article-body img{border-radius:var(--ld-r-img);margin:1.6em 0;height:auto}
.ld-article-body figure{margin:1.6em 0}
.ld-article-body figcaption{font-size:13px;color:var(--ld-muted);text-align:center;margin-top:10px}
.ld-article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px}
.ld-article-body th,.ld-article-body td{border:1px solid var(--ld-line);padding:10px 14px;text-align:left;vertical-align:top}
.ld-article-body th{background:#FDF1E8;font-weight:700}
.ld-article-body a{color:var(--ld-orange-deep);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.ld-article-body a:hover{color:var(--ld-orange)}
.ld-article-body hr{border:0;border-top:1px solid var(--ld-line);margin:2.2em 0}
.ld-article-body code{background:#F7EDE5;padding:2px 6px;border-radius:5px;font-size:.92em}
.ld-article-body pre{background:#12211D;color:#F4F1EC;padding:16px 18px;border-radius:12px;overflow-x:auto;font-size:14px;line-height:1.7}

.ld-article-foot{
  max-width:760px;margin-top:40px;padding-top:24px;
  border-top:1px solid var(--ld-line);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
}
.ld-article-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.ld-chip-btn{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 15px;border-radius:999px;
  background:#fff;border:1px solid var(--ld-line);
  font-size:13.5px;font-weight:600;color:#4A423B;
  transition:border-color .2s var(--ld-ease),color .2s var(--ld-ease),background .2s var(--ld-ease),transform .2s var(--ld-ease);
}
.ld-chip-btn:hover{border-color:var(--ld-orange);color:var(--ld-orange-deep);background:var(--ld-orange-soft);transform:translateY(-2px)}
.ld-chip-btn.is-done{background:var(--ld-orange-soft);border-color:var(--ld-orange);color:var(--ld-orange-deep)}

/* ============ Sidebar / TOC ============ */
.ld-sidebar{display:flex;flex-direction:column;gap:20px}
@media (min-width:1100px){
  .ld-sidebar{position:sticky;top:150px}
}
.ld-toc-box{
  background:#fff;border:1px solid var(--ld-line);border-radius:var(--ld-r-card);
  padding:20px 20px 16px;box-shadow:var(--ld-shadow);
}
.ld-toc-box h2{font-size:14px;letter-spacing:.08em;color:var(--ld-muted);font-weight:700;text-transform:uppercase;margin-bottom:12px}
.ld-toc-list{display:flex;flex-direction:column;gap:2px}
.ld-toc-list a{
  display:block;padding:7px 10px;border-radius:9px;
  font-size:14px;color:#4A423B;line-height:1.5;
  border-left:2px solid transparent;
  transition:background .2s var(--ld-ease),color .2s var(--ld-ease),border-color .2s var(--ld-ease);
}
.ld-toc-list a:hover{background:var(--ld-orange-soft);color:var(--ld-orange-deep);border-left-color:var(--ld-orange)}
.ld-side-cta{
  background:var(--ld-ink);color:#FFF9F4;border-radius:var(--ld-r-card);
  padding:24px 22px;position:relative;overflow:hidden;
}
.ld-side-cta h3{font-size:17px;margin-bottom:8px;color:#fff}
.ld-side-cta p{font-size:13.5px;line-height:1.75;color:rgba(255,249,244,.72);margin-bottom:16px}
.ld-side-cta .ld-btn{width:100%}
.ld-side-wave{
  display:flex;align-items:flex-end;gap:4px;height:26px;margin-bottom:14px;opacity:.9;
}
.ld-side-wave i{display:block;width:4px;border-radius:3px;background:linear-gradient(180deg,var(--ld-yellow),var(--ld-orange))}

/* ============ Related ============ */
.ld-related{padding-bottom:8px}
.ld-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:26px}
.ld-section-head h2{font-size:clamp(22px,2.6vw,30px)}
.ld-section-head p{font-size:14.5px;color:var(--ld-muted);margin-top:8px;max-width:640px}
.ld-card-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:640px){.ld-card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.ld-card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.ld-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--ld-card);border:1px solid var(--ld-line);
  border-radius:var(--ld-r-card);box-shadow:var(--ld-shadow);
  transition:transform .2s var(--ld-ease),box-shadow .2s var(--ld-ease),border-color .2s var(--ld-ease);
}
.ld-card:hover{transform:translateY(-4px);box-shadow:var(--ld-shadow-hover);border-color:#E9D5C7}
.ld-card-media{
  position:relative;aspect-ratio:16/9;overflow:hidden;background:#F7EBE1;
}
.ld-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ld-ease)}
.ld-card:hover .ld-card-media img{transform:scale(1.03)}
.ld-card-media .ld-badge{position:absolute;left:12px;top:12px;z-index:2;background:rgba(255,255,255,.94);color:var(--ld-orange-deep);backdrop-filter:blur(4px)}
.ld-card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:9px;flex:1}
.ld-card-body h3{font-size:18px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ld-card-body p{font-size:14px;color:var(--ld-muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ld-card-foot{margin-top:auto;padding-top:10px;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:#94887C}
.ld-card:hover h3{color:var(--ld-orange-deep)}

/* ============ Empty ============ */
.ld-empty{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  min-height:220px;padding:36px 24px;text-align:center;
  background:#FDF4EC;border:1px dashed #EAD6C7;border-radius:var(--ld-r-card);
  color:var(--ld-muted);
}
.ld-empty svg{color:#D9C3B3}
.ld-empty strong{font-size:17px;color:var(--ld-text);font-weight:700}
.ld-empty p{font-size:14px;max-width:420px}

/* ============ CTA strip ============ */
.ld-cta-strip{
  position:relative;overflow:hidden;
  background:var(--ld-ink);color:#FFF9F4;
  border-radius:24px;
  margin:0 auto 76px;
  max-width:var(--ld-container);
}
.ld-cta-inner{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  padding:38px 32px;
}
.ld-cta-inner h2{font-size:clamp(22px,2.8vw,32px);color:#fff;margin-bottom:10px}
.ld-cta-inner p{font-size:15px;color:rgba(255,249,244,.72);max-width:560px}
.ld-cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.ld-cta-waves{
  position:absolute;right:32px;bottom:0;display:flex;align-items:flex-end;gap:6px;
  height:120px;opacity:.28;pointer-events:none;z-index:1;
}
.ld-cta-waves i{display:block;width:9px;border-radius:6px 6px 0 0;background:linear-gradient(180deg,var(--ld-yellow),var(--ld-orange))}

/* ============ Footer ============ */
.ld-footer{
  position:relative;
  background:var(--ld-ink);color:#FFF9F4;
  padding:56px 0 24px;
  margin-top:20px;
}
.ld-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:linear-gradient(90deg,var(--ld-orange),var(--ld-yellow),var(--ld-orange));
  opacity:.9;
}
.ld-footer-grid{
  display:grid;grid-template-columns:1fr;gap:34px;
  padding-bottom:36px;border-bottom:1px solid rgba(255,249,244,.12);
}
@media (min-width:640px){.ld-footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.ld-footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:28px}}
.ld-footer-brand .ld-logo{margin-bottom:14px}
.ld-footer-brand .ld-logo-text{color:#FFF9F4}
.ld-footer-brand .ld-logo-text em{color:var(--ld-yellow)}
.ld-footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,249,244,.66);max-width:300px}
.ld-socials{display:flex;gap:10px;margin-top:18px}
.ld-social{
  display:grid;place-items:center;width:36px;height:36px;border-radius:10px;
  background:rgba(255,249,244,.08);color:rgba(255,249,244,.82);
  transition:background .2s var(--ld-ease),color .2s var(--ld-ease),transform .2s var(--ld-ease);
}
.ld-social:hover{background:var(--ld-orange);color:#fff;transform:translateY(-2px)}
.ld-footer h4{font-size:15px;font-weight:700;color:#FFF9F4;margin-bottom:16px;letter-spacing:.02em}
.ld-footer-list{display:flex;flex-direction:column;gap:11px;font-size:14px}
.ld-footer-list a,.ld-footer-list span{color:rgba(255,249,244,.66);line-height:1.65;transition:color .2s var(--ld-ease)}
.ld-footer-list a:hover{color:#fff}
.ld-footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:22px;font-size:13px;color:rgba(255,249,244,.55);
}
.ld-to-top{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 16px;border-radius:999px;
  border:1px solid rgba(255,249,244,.24);
  font-size:13px;color:rgba(255,249,244,.8);
  transition:background .2s var(--ld-ease),color .2s var(--ld-ease),border-color .2s var(--ld-ease);
}
.ld-to-top:hover{background:var(--ld-orange);border-color:var(--ld-orange);color:#fff}

/* ============ Responsive ============ */
@media (max-width:1100px){
  .ld-topbar-cta{padding:10px 18px;font-size:14px}
  .ld-search{max-width:220px}
}
@media (max-width:900px){
  .ld-search{display:none}
  .ld-topbar-cta{display:none}
  .ld-burger{display:flex}
  .ld-nav{
    display:none;
    border-top:1px solid var(--ld-line);
  }
  .ld-nav.is-open{display:block}
  .ld-nav-inner{min-height:auto;padding:8px 0 14px}
  .ld-nav-inner::after{display:none}
  .ld-tabs{flex-direction:column;align-items:stretch;gap:4px;overflow:visible}
  .ld-tab{display:block;padding:11px 16px;font-size:15px}
  .ld-article-layout{padding-top:20px;padding-bottom:56px}
  .ld-article-cover{aspect-ratio:16/9;margin-bottom:24px}
  .ld-sidebar{display:none}
  .ld-cta-inner{padding:30px 22px}
  .ld-cta-waves{right:8px;height:88px;opacity:.2}
}
@media (max-width:640px){
  .ld-topbar-inner{height:60px;min-height:60px;gap:10px}
  .ld-logo-text{font-size:18px}
  .ld-logo-mark{width:29px;height:29px;border-radius:9px}
  .ld-article-title{margin:12px 0 14px}
  .ld-article-body{font-size:16px;line-height:1.88;margin-top:24px}
  .ld-article-foot{flex-direction:column;align-items:flex-start}
  .ld-cta-strip{margin-bottom:56px;border-radius:18px}
  .ld-cta-actions{width:100%}
  .ld-cta-actions .ld-btn{flex:1}
  .ld-footer{padding:44px 0 20px}
  .ld-footer-bottom{flex-direction:column;align-items:flex-start;gap:12px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category1 */
:root{
  --ld-orange:#F2542D;
  --ld-orange-dark:#D8431F;
  --ld-orange-soft:#FFEDE5;
  --ld-orange-text:#C33F17;
  --ld-ink:#12211D;
  --ld-ink-soft:#1B302A;
  --ld-yellow:#FFC24B;
  --ld-bg:#FFF9F4;
  --ld-bg-alt:#FFF3EA;
  --ld-card:#FFFFFF;
  --ld-line:#F0E2D8;
  --ld-text:#1F1B18;
  --ld-muted:#6B6259;
  --ld-r-card:18px;
  --ld-r-img:14px;
  --ld-r-input:12px;
  --ld-shadow:0 2px 4px rgba(31,27,24,.04),0 12px 28px -12px rgba(242,84,45,.18);
  --ld-shadow-hover:0 6px 10px rgba(31,27,24,.05),0 22px 42px -16px rgba(242,84,45,.30);
  --ld-ease:cubic-bezier(.2,.7,.3,1);
  --ld-max:1200px;
  --ld-font:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --ld-num:"Space Grotesk","Barlow",ui-sans-serif,system-ui,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--ld-font);
  font-size:16.5px;
  line-height:1.78;
  color:var(--ld-text);
  background:var(--ld-bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%;object-fit:cover;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3,h4{letter-spacing:-.02em;line-height:1.24;font-weight:800;}
:focus-visible{outline:2px solid var(--ld-orange);outline-offset:2px;border-radius:6px;}

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

/* ---------- 头部 ---------- */
.ld-header{
  position:sticky;
  top:0;
  z-index:120;
  background:rgba(255,249,244,.98);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--ld-line);
  transition:box-shadow .25s var(--ld-ease);
}
.ld-header.is-stuck{box-shadow:0 8px 24px -18px rgba(31,27,24,.55);}
.ld-topbar-inner{
  display:flex;
  align-items:center;
  gap:18px;
  height:68px;
}
.ld-logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  flex-shrink:0;
}
.ld-logo-mark{
  width:34px;height:34px;
  display:grid;place-items:center;
  border-radius:10px;
  color:#FFF9F4;
  background:linear-gradient(135deg,var(--ld-orange),var(--ld-yellow));
  box-shadow:0 6px 14px -8px rgba(242,84,45,.9);
}
.ld-logo-text{
  font-size:20px;
  font-weight:800;
  letter-spacing:-.03em;
  color:var(--ld-text);
}
.ld-logo-text em{
  font-style:normal;
  color:var(--ld-orange);
}
.ld-search{
  position:relative;
  display:flex;
  align-items:center;
  margin-left:auto;
  width:250px;
  max-width:100%;
}
.ld-search input{
  width:100%;
  height:40px;
  padding:0 42px 0 16px;
  font-family:inherit;
  font-size:14px;
  color:var(--ld-text);
  background:#fff;
  border:1px solid var(--ld-line);
  border-radius:999px;
  transition:border-color .2s var(--ld-ease),box-shadow .2s var(--ld-ease);
}
.ld-search input::placeholder{color:#A79C92;}
.ld-search input:focus{
  outline:none;
  border-color:var(--ld-orange);
  box-shadow:0 0 0 3px rgba(242,84,45,.14);
}
.ld-search button{
  position:absolute;
  right:5px;
  width:32px;height:32px;
  display:grid;place-items:center;
  border-radius:50%;
  color:var(--ld-orange-text);
  background:var(--ld-orange-soft);
  transition:background .2s var(--ld-ease),color .2s var(--ld-ease);
}
.ld-search button:hover{background:var(--ld-orange);color:#fff;}

.ld-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-weight:700;
  font-size:15px;
  line-height:1;
  padding:14px 24px;
  border-radius:999px;
  transition:transform .2s var(--ld-ease),background .2s var(--ld-ease),color .2s var(--ld-ease),box-shadow .2s var(--ld-ease),border-color .2s var(--ld-ease);
  white-space:nowrap;
}
.ld-btn-primary{
  color:#fff;
  background:var(--ld-orange);
  box-shadow:0 10px 22px -14px rgba(242,84,45,.95);
}
.ld-btn-primary:hover{
  background:var(--ld-orange-dark);
  transform:translateY(-2px);
  box-shadow:0 16px 30px -16px rgba(242,84,45,1);
}
.ld-btn-primary:active{transform:translateY(0);}
.ld-btn-ghost{
  color:var(--ld-orange-text);
  background:#fff;
  border:1.5px solid var(--ld-orange);
}
.ld-btn-ghost:hover{background:var(--ld-orange-soft);transform:translateY(-2px);}
.ld-btn-light{
  color:var(--ld-ink);
  background:var(--ld-yellow);
}
.ld-btn-light:hover{background:#FFD272;transform:translateY(-2px);}
.ld-topbar-cta{flex-shrink:0;}

.ld-burger{
  display:none;
  width:42px;height:42px;
  border-radius:12px;
  border:1px solid var(--ld-line);
  background:#fff;
  padding:11px 10px;
  flex-direction:column;
  justify-content:space-between;
  flex-shrink:0;
}
.ld-burger span{
  display:block;
  height:2px;
  border-radius:2px;
  background:var(--ld-text);
  transition:transform .25s var(--ld-ease),opacity .2s var(--ld-ease);
}
.ld-burger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.ld-burger.is-open span:nth-child(2){opacity:0;}
.ld-burger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.ld-nav{border-top:1px solid rgba(240,226,216,.8);}
.ld-nav-inner{
  display:flex;
  align-items:center;
  height:52px;
  overflow-x:auto;
  scrollbar-width:none;
  position:relative;
}
.ld-nav-inner::-webkit-scrollbar{display:none;}
.ld-nav-inner::after{
  content:"";
  position:sticky;
  right:0;
  flex:0 0 44px;
  align-self:stretch;
  pointer-events:none;
  background:linear-gradient(90deg,rgba(255,249,244,0),rgba(255,249,244,.98));
}
.ld-tabs{display:flex;align-items:center;gap:8px;}
.ld-tab{
  display:inline-block;
  padding:8px 16px;
  font-size:14.5px;
  font-weight:600;
  color:var(--ld-muted);
  border-radius:999px;
  white-space:nowrap;
  transition:background .2s var(--ld-ease),color .2s var(--ld-ease);
}
.ld-tab:hover{background:var(--ld-orange-soft);color:var(--ld-orange-text);}
.ld-tab.is-active{
  color:#fff;
  background:var(--ld-orange);
  font-weight:700;
}

/* ---------- Hero ---------- */
.ld-hero{
  position:relative;
  overflow:hidden;
  padding:64px 0 76px;
  border-bottom:1px solid var(--ld-line);
}
.ld-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  opacity:.30;
}
.ld-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(100deg,rgba(255,249,244,.98) 0%,rgba(255,249,244,.92) 48%,rgba(255,249,244,.62) 100%);
}
.ld-hero-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,.85fr);
  gap:48px;
  align-items:center;
}
.ld-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 14px;
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.04em;
  color:var(--ld-orange-text);
  background:var(--ld-orange-soft);
  border-radius:999px;
}
.ld-eyebrow::before{
  content:"";
  width:7px;height:7px;
  border-radius:50%;
  background:var(--ld-orange);
}
.ld-hero h1{
  font-size:clamp(30px,4.6vw,52px);
  margin:20px 0 18px;
  line-height:1.16;
}
.ld-hero h1 .ld-hl{
  color:var(--ld-orange);
  display:block;
}
.ld-hero-sub{
  font-size:17px;
  color:var(--ld-muted);
  max-width:520px;
  line-height:1.8;
}
.ld-hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:28px;
}
.ld-hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:36px;
  margin-top:38px;
  padding-top:26px;
  border-top:1px dashed var(--ld-line);
}
.ld-hero-stats .ld-stat-num{
  font-family:var(--ld-num);
  font-size:26px;
  font-weight:700;
  color:var(--ld-ink);
  line-height:1.1;
  letter-spacing:-.02em;
}
.ld-hero-stats .ld-stat-num span{color:var(--ld-orange);}
.ld-hero-stats .ld-stat-label{
  display:block;
  margin-top:6px;
  font-size:13px;
  color:var(--ld-muted);
}
.ld-hero-media{
  position:relative;
}
.ld-hero-media img{
  width:100%;
  aspect-ratio:4/3;
  border-radius:20px;
  box-shadow:0 24px 48px -28px rgba(31,27,24,.55);
  object-fit:cover;
  background:var(--ld-bg-alt);
}
.ld-hero-tag{
  position:absolute;
  left:-18px;
  bottom:22px;
  display:flex;
  align-items:center;
  gap:14px;
  padding:14px 18px;
  background:#fff;
  border-radius:16px;
  box-shadow:var(--ld-shadow);
  border:1px solid var(--ld-line);
}
.ld-hero-tag strong{
  display:block;
  font-size:14.5px;
  font-weight:800;
  color:var(--ld-ink);
}
.ld-hero-tag span{
  display:block;
  font-size:12.5px;
  color:var(--ld-muted);
  margin-top:3px;
}
.ld-wave{
  display:flex;
  align-items:flex-end;
  gap:3px;
  height:26px;
}
.ld-wave i{
  display:block;
  width:4px;
  border-radius:3px;
  background:linear-gradient(180deg,var(--ld-yellow),var(--ld-orange));
  animation:ldBeat 1.5s ease-in-out infinite;
}
.ld-wave i:nth-child(1){height:9px;animation-delay:0s;}
.ld-wave i:nth-child(2){height:17px;animation-delay:.12s;}
.ld-wave i:nth-child(3){height:26px;animation-delay:.24s;}
.ld-wave i:nth-child(4){height:14px;animation-delay:.36s;}
.ld-wave i:nth-child(5){height:21px;animation-delay:.48s;}
.ld-wave i:nth-child(6){height:10px;animation-delay:.6s;}
@keyframes ldBeat{
  0%,100%{transform:scaleY(1);}
  50%{transform:scaleY(.55);}
}

/* ---------- 通用板块 ---------- */
.ld-section{padding:56px 0;}
.ld-section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:32px;
  flex-wrap:wrap;
}
.ld-section-head h2{font-size:clamp(24px,3vw,36px);}
.ld-section-head p{
  margin-top:10px;
  font-size:15.5px;
  color:var(--ld-muted);
  max-width:640px;
}
.ld-more{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:15px;
  font-weight:700;
  color:var(--ld-orange-text);
  transition:gap .2s var(--ld-ease),color .2s var(--ld-ease);
}
.ld-more:hover{gap:14px;color:var(--ld-orange-dark);}

/* ---------- 价值条 ---------- */
.ld-value{
  display:grid;
  grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);
  gap:48px;
  align-items:center;
}
.ld-value h2{font-size:clamp(24px,3vw,36px);}
.ld-value h2 span{color:var(--ld-orange);}
.ld-value p{
  margin-top:16px;
  color:var(--ld-muted);
  font-size:15.5px;
  max-width:420px;
}
.ld-value-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:18px;
}
.ld-value-item{
  padding:22px 20px;
  background:var(--ld-card);
  border:1px solid var(--ld-line);
  border-radius:var(--ld-r-card);
  box-shadow:var(--ld-shadow);
  transition:transform .2s var(--ld-ease),box-shadow .2s var(--ld-ease);
}
.ld-value-item:hover{transform:translateY(-4px);box-shadow:var(--ld-shadow-hover);}
.ld-value-item .ld-ico{
  width:38px;height:38px;
  display:grid;place-items:center;
  border-radius:12px;
  color:var(--ld-orange-text);
  background:var(--ld-orange-soft);
  margin-bottom:14px;
}
.ld-value-item h3{font-size:16.5px;font-weight:800;}
.ld-value-item p{
  margin:8px 0 0;
  font-size:13.5px;
  line-height:1.7;
  color:var(--ld-muted);
}

/* ---------- 筛选与列表 ---------- */
.ld-listing{
  display:grid;
  grid-template-columns:248px minmax(0,1fr);
  gap:32px;
  align-items:start;
}
.ld-filters{
  position:sticky;
  top:150px;
  padding:22px 20px;
  background:var(--ld-card);
  border:1px solid var(--ld-line);
  border-radius:var(--ld-r-card);
  box-shadow:var(--ld-shadow);
}
.ld-filters h3{
  font-size:14px;
  letter-spacing:.06em;
  color:var(--ld-muted);
  font-weight:700;
  margin-bottom:14px;
}
.ld-filter-list{display:flex;flex-direction:column;gap:8px;}
.ld-filter{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:10px 14px;
  font-size:14.5px;
  font-weight:600;
  color:var(--ld-muted);
  background:var(--ld-bg);
  border:1px solid transparent;
  border-radius:999px;
  transition:background .2s var(--ld-ease),color .2s var(--ld-ease),border-color .2s var(--ld-ease);
}
.ld-filter:hover{background:var(--ld-orange-soft);color:var(--ld-orange-text);}
.ld-filter.is-active{
  color:#fff;
  background:var(--ld-orange);
  border-color:var(--ld-orange);
}
.ld-filter small{
  font-family:var(--ld-num);
  font-size:12px;
  opacity:.75;
}
.ld-filters-note{
  margin-top:18px;
  padding-top:16px;
  border-top:1px dashed var(--ld-line);
  font-size:12.5px;
  line-height:1.7;
  color:var(--ld-muted);
}

.ld-cards{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.ld-card{
  display:flex;
  flex-direction:column;
  background:var(--ld-card);
  border:1px solid var(--ld-line);
  border-radius:var(--ld-r-card);
  overflow:hidden;
  box-shadow:var(--ld-shadow);
  transition:transform .2s var(--ld-ease),box-shadow .2s var(--ld-ease),border-color .2s var(--ld-ease);
}
.ld-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--ld-shadow-hover);
  border-color:#F6D6C7;
}
.ld-card-media{
  display:block;
  overflow:hidden;
  background:var(--ld-bg-alt);
}
.ld-card-media img{
  width:100%;
  aspect-ratio:16/9;
  transition:transform .45s var(--ld-ease);
}
.ld-card:hover .ld-card-media img{transform:scale(1.04);}
.ld-card-body{
  display:flex;
  flex-direction:column;
  flex:1;
  padding:20px 22px 22px;
}
.ld-badge{
  align-self:flex-start;
  display:inline-block;
  padding:4px 10px;
  font-size:12px;
  font-weight:700;
  line-height:1.5;
  color:var(--ld-orange-text);
  background:var(--ld-orange-soft);
  border-radius:6px;
}
.ld-card-body h3{
  font-size:18px;
  font-weight:800;
  margin:12px 0 8px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.ld-card-body h3 a{transition:color .2s var(--ld-ease);}
.ld-card-body h3 a:hover{color:var(--ld-orange-text);}
.ld-card-body p{
  font-size:14.5px;
  line-height:1.75;
  color:var(--ld-muted);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  min-height:50px;
}
.ld-card-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:auto;
  padding-top:18px;
  border-top:1px solid var(--ld-line);
  font-size:13px;
  color:var(--ld-muted);
  flex-wrap:wrap;
}
.ld-card-meta .ld-dot{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--ld-num);
  letter-spacing:.01em;
}
.ld-card-meta .ld-dot i{
  width:4px;height:4px;
  border-radius:50%;
  background:#D8C8BC;
  font-style:normal;
}
.ld-card-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-weight:700;
  color:var(--ld-orange-text);
  transition:gap .2s var(--ld-ease);
}
.ld-card-link:hover{gap:12px;}

/* ---------- 流程 ---------- */
.ld-process{
  background:var(--ld-bg-alt);
  border-top:1px solid var(--ld-line);
  border-bottom:1px solid var(--ld-line);
}
.ld-steps{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
  counter-reset:ldstep;
}
.ld-step{
  position:relative;
  padding:26px 22px;
  background:var(--ld-card);
  border:1px solid var(--ld-line);
  border-radius:var(--ld-r-card);
  transition:transform .2s var(--ld-ease),box-shadow .2s var(--ld-ease);
}
.ld-step:hover{transform:translateY(-4px);box-shadow:var(--ld-shadow-hover);}
.ld-step::before{
  counter-increment:ldstep;
  content:"0" counter(ldstep);
  display:block;
  font-family:var(--ld-num);
  font-size:22px;
  font-weight:700;
  color:var(--ld-orange);
  margin-bottom:12px;
  letter-spacing:-.02em;
}
.ld-step h3{font-size:16.5px;font-weight:800;margin-bottom:8px;}
.ld-step p{font-size:13.5px;color:var(--ld-muted);line-height:1.7;}

/* ---------- 统计带 ---------- */
.ld-band{
  background:var(--ld-ink);
  color:#FFF9F4;
  border-radius:24px;
  padding:44px 40px;
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1.3fr);
  gap:40px;
  align-items:center;
  position:relative;
  overflow:hidden;
}
.ld-band::after{
  content:"";
  position:absolute;
  right:-60px;
  top:-40px;
  width:260px;
  height:260px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,194,75,.22),rgba(255,194,75,0) 70%);
}
.ld-band h2{
  font-size:clamp(22px,2.6vw,30px);
  color:#FFF9F4;
  position:relative;
  z-index:1;
}
.ld-band h2 span{color:var(--ld-yellow);}
.ld-band p{
  margin-top:12px;
  font-size:14.5px;
  color:rgba(255,249,244,.72);
  max-width:360px;
  position:relative;
  z-index:1;
}
.ld-band-stats{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:22px 28px;
  position:relative;
  z-index:1;
}
.ld-band-stats .ld-stat-num{
  font-family:var(--ld-num);
  font-size:28px;
  font-weight:700;
  color:var(--ld-yellow);
  line-height:1.1;
}
.ld-band-stats .ld-stat-label{
  display:block;
  margin-top:6px;
  font-size:13px;
  color:rgba(255,249,244,.7);
}

/* ---------- 相关分类 ---------- */
.ld-relate{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px;
  padding:26px 0 0;
  border-top:1px solid var(--ld-line);
  margin-top:34px;
}
.ld-relate > span{
  font-size:14px;
  font-weight:700;
  color:var(--ld-muted);
  margin-right:4px;
}
.ld-pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:9px 18px;
  font-size:14.5px;
  font-weight:600;
  color:var(--ld-text);
  background:#fff;
  border:1px solid var(--ld-line);
  border-radius:999px;
  transition:background .2s var(--ld-ease),color .2s var(--ld-ease),border-color .2s var(--ld-ease),transform .2s var(--ld-ease);
}
.ld-pill:hover{
  background:var(--ld-orange-soft);
  border-color:#F8CDBB;
  color:var(--ld-orange-text);
  transform:translateY(-2px);
}

/* ---------- FAQ ---------- */
.ld-faq-wrap{max-width:820px;margin:0 auto;}
.ld-faq-item{
  background:var(--ld-card);
  border:1px solid var(--ld-line);
  border-radius:var(--ld-r-card);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .2s var(--ld-ease),box-shadow .2s var(--ld-ease);
}
.ld-faq-item:hover{border-color:#F6D6C7;}
.ld-faq-item.is-open{
  border-color:var(--ld-orange);
  box-shadow:var(--ld-shadow);
}
.ld-faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 24px;
  text-align:left;
  font-size:16.5px;
  font-weight:700;
  color:var(--ld-text);
  transition:color .2s var(--ld-ease);
}
.ld-faq-item.is-open .ld-faq-q{color:var(--ld-orange-text);}
.ld-faq-q .ld-faq-arrow{
  flex-shrink:0;
  width:26px;height:26px;
  display:grid;place-items:center;
  border-radius:50%;
  color:var(--ld-orange-text);
  background:var(--ld-orange-soft);
  transition:transform .25s var(--ld-ease);
}
.ld-faq-item.is-open .ld-faq-arrow{transform:rotate(180deg);}
.ld-faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s var(--ld-ease);
}
.ld-faq-a p{
  padding:0 24px 22px;
  font-size:15px;
  line-height:1.85;
  color:var(--ld-muted);
}

/* ---------- CTA ---------- */
.ld-cta{
  background:var(--ld-ink);
  color:#FFF9F4;
  position:relative;
  overflow:hidden;
  padding:64px 0;
}
.ld-cta::before{
  content:"";
  position:absolute;
  left:0;right:0;top:0;
  height:5px;
  background:linear-gradient(90deg,var(--ld-orange),var(--ld-yellow),var(--ld-orange));
}
.ld-cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
  flex-wrap:wrap;
  position:relative;
  z-index:1;
}
.ld-cta h2{
  font-size:clamp(24px,3vw,34px);
  color:#FFF9F4;
  max-width:620px;
}
.ld-cta p{
  margin-top:12px;
  font-size:15px;
  color:rgba(255,249,244,.72);
  max-width:560px;
}
.ld-cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 页脚 ---------- */
.ld-footer{
  background:var(--ld-ink);
  color:rgba(255,249,244,.78);
  padding:60px 0 26px;
  position:relative;
  font-size:14.5px;
}
.ld-footer::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:3px;
  background:linear-gradient(90deg,var(--ld-orange),rgba(255,194,75,.8),rgba(255,249,244,0));
}
.ld-footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1.1fr 1.2fr;
  gap:40px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(255,249,244,.12);
}
.ld-footer .ld-logo-text{color:#FFF9F4;}
.ld-footer .ld-logo-text em{color:var(--ld-yellow);}
.ld-footer-brand p{
  margin-top:16px;
  font-size:14px;
  line-height:1.85;
  color:rgba(255,249,244,.66);
  max-width:320px;
}
.ld-socials{display:flex;gap:10px;margin-top:20px;}
.ld-social{
  width:36px;height:36px;
  display:grid;place-items:center;
  border-radius:50%;
  color:rgba(255,249,244,.8);
  background:rgba(255,249,244,.08);
  border:1px solid rgba(255,249,244,.12);
  transition:background .2s var(--ld-ease),color .2s var(--ld-ease),transform .2s var(--ld-ease);
}
.ld-social:hover{
  background:var(--ld-orange);
  color:#fff;
  border-color:var(--ld-orange);
  transform:translateY(-2px);
}
.ld-footer h4{
  font-size:15px;
  font-weight:800;
  color:#FFF9F4;
  margin-bottom:18px;
}
.ld-footer-list{display:flex;flex-direction:column;gap:11px;}
.ld-footer-list a{
  color:rgba(255,249,244,.72);
  transition:color .2s var(--ld-ease),padding-left .2s var(--ld-ease);
}
.ld-footer-list a:hover{color:#FFF9F4;padding-left:4px;}
.ld-footer-list span{color:rgba(255,249,244,.62);line-height:1.7;}
.ld-footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
  padding-top:22px;
  font-size:13px;
  color:rgba(255,249,244,.55);
}
.ld-to-top{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 16px;
  font-size:13px;
  font-weight:600;
  color:rgba(255,249,244,.82);
  border:1px solid rgba(255,249,244,.18);
  border-radius:999px;
  transition:background .2s var(--ld-ease),color .2s var(--ld-ease),border-color .2s var(--ld-ease);
}
.ld-to-top:hover{
  background:var(--ld-orange);
  border-color:var(--ld-orange);
  color:#fff;
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .ld-container{padding:0 24px;}
  .ld-hero-inner{grid-template-columns:1fr;gap:36px;}
  .ld-hero-media{order:-1;}
  .ld-hero-media img{aspect-ratio:16/9;max-height:320px;}
  .ld-hero-tag{left:12px;bottom:12px;}
  .ld-value{grid-template-columns:1fr;gap:32px;}
  .ld-listing{grid-template-columns:1fr;}
  .ld-filters{
    position:static;
    padding:16px 18px;
  }
  .ld-filters h3{margin-bottom:12px;}
  .ld-filter-list{
    flex-direction:row;
    overflow-x:auto;
    gap:8px;
    padding-bottom:4px;
    scrollbar-width:none;
  }
  .ld-filter-list::-webkit-scrollbar{display:none;}
  .ld-filter{white-space:nowrap;}
  .ld-filters-note{display:none;}
  .ld-steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .ld-band{grid-template-columns:1fr;padding:36px 28px;}
  .ld-footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:34px;}
  .ld-section{padding:52px 0;}
}

@media (max-width:900px){
  .ld-topbar-inner{height:60px;gap:12px;}
  .ld-search{display:none;}
  .ld-topbar-cta{padding:11px 18px;font-size:14px;margin-left:auto;}
  .ld-burger{display:flex;}
  .ld-nav{
    display:none;
    border-top:1px solid var(--ld-line);
    background:rgba(255,249,244,.99);
  }
  .ld-nav.is-open{display:block;}
  .ld-nav-inner{
    height:auto;
    padding:12px 24px 18px;
    overflow:visible;
  }
  .ld-nav-inner::after{display:none;}
  .ld-tabs{flex-direction:column;align-items:stretch;gap:6px;width:100%;}
  .ld-tab{display:block;padding:12px 16px;border-radius:12px;font-size:15px;}
  .ld-cards{grid-template-columns:1fr;}
}

@media (max-width:640px){
  .ld-container{padding:0 20px;}
  body{font-size:16px;}
  .ld-hero{padding:44px 0 52px;}
  .ld-hero h1{margin:16px 0 14px;}
  .ld-hero-sub{font-size:15.5px;}
  .ld-hero-actions .ld-btn{flex:1 1 auto;}
  .ld-hero-stats{gap:24px;margin-top:30px;padding-top:22px;}
  .ld-hero-stats .ld-stat-num{font-size:22px;}
  .ld-hero-tag{padding:12px 14px;gap:10px;}
  .ld-hero-tag strong{font-size:13.5px;}
  .ld-hero-tag span{font-size:12px;}
  .ld-section{padding:44px 0;}
  .ld-section-head{margin-bottom:24px;}
  .ld-value-grid{grid-template-columns:1fr;}
  .ld-steps{grid-template-columns:1fr;}
  .ld-band-stats{grid-template-columns:1fr 1fr;gap:18px;}
  .ld-band{padding:30px 22px;border-radius:20px;}
  .ld-faq-q{padding:16px 18px;font-size:15.5px;}
  .ld-faq-a p{padding:0 18px 18px;font-size:14.5px;}
  .ld-cta{padding:48px 0;}
  .ld-cta-actions{width:100%;}
  .ld-cta-actions .ld-btn{flex:1 1 auto;}
  .ld-footer{padding:44px 0 22px;}
  .ld-footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:32px;}
  .ld-footer-brand p{max-width:none;}
  .ld-footer-bottom{flex-direction:column;align-items:flex-start;gap:12px;}
  .ld-card-body{padding:18px 18px 20px;}
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
:root{
  --ld-orange:#F2542D;
  --ld-orange-hover:#D8431F;
  --ld-orange-light:#FFEDE5;
  --ld-orange-deep:#C33F17;
  --ld-ink:#12211D;
  --ld-ink-soft:#1B302A;
  --ld-cream:#FFF9F4;
  --ld-card:#FFFFFF;
  --ld-line:#F0E2D8;
  --ld-text:#1F1B18;
  --ld-muted:#6B6259;
  --ld-yellow:#FFC24B;
  --ld-reverse:#FFF9F4;
  --ld-radius-card:18px;
  --ld-radius-img:14px;
  --ld-radius-input:12px;
  --ld-shadow:0 2px 4px rgba(31,27,24,.04), 0 12px 28px -12px rgba(242,84,45,.18);
  --ld-shadow-hover:0 4px 10px rgba(31,27,24,.06), 0 20px 38px -14px rgba(242,84,45,.30);
  --ld-ease:cubic-bezier(.2,.7,.3,1);
  --ld-font:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --ld-font-num:"Space Grotesk","Barlow","HarmonyOS Sans SC","PingFang SC",system-ui,sans-serif;
  --ld-sticky-offset:136px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--ld-font);
  font-size:16.5px;
  line-height:1.78;
  color:var(--ld-text);
  background:var(--ld-cream);
  letter-spacing:.002em;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
input,button,textarea{font-size:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;line-height:1.24;font-weight:800}
p{margin:0}
:focus-visible{outline:2px solid var(--ld-orange);outline-offset:2px;border-radius:4px}
::selection{background:var(--ld-orange-light);color:var(--ld-orange-deep)}

.ld-container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:640px){.ld-container{padding:0 24px}}
@media(min-width:1024px){.ld-container{padding:0 32px}}

/* ============ header ============ */
.ld-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,249,244,.985);
  backdrop-filter:saturate(1.1) blur(6px);
  border-bottom:1px solid var(--ld-line);
  transition:box-shadow .25s var(--ld-ease);
}
.ld-header.is-stuck{box-shadow:0 6px 20px -14px rgba(31,27,24,.45)}
.ld-topbar{background:rgba(255,249,244,.985)}
.ld-topbar-inner{
  display:flex;align-items:center;gap:16px;height:68px;
}
@media(max-width:900px){.ld-topbar-inner{height:60px;gap:10px}}

.ld-logo{display:inline-flex;align-items:center;gap:9px;flex:0 0 auto}
.ld-logo-mark{
  width:32px;height:32px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--ld-orange);color:#fff;flex:0 0 auto;
  box-shadow:0 6px 14px -6px rgba(242,84,45,.7);
}
.ld-logo-text{font-size:20px;font-weight:800;letter-spacing:-.02em;color:var(--ld-ink);white-space:nowrap}
.ld-logo-text em{font-style:normal;color:var(--ld-orange)}

.ld-search{
  display:flex;align-items:center;
  width:240px;max-width:32vw;
  height:40px;margin-left:8px;
  background:#fff;border:1px solid var(--ld-line);
  border-radius:999px;padding:0 6px 0 16px;
  transition:border-color .2s var(--ld-ease),box-shadow .2s var(--ld-ease);
}
.ld-search:focus-within{border-color:var(--ld-orange);box-shadow:0 0 0 3px rgba(242,84,45,.14)}
.ld-search input{
  flex:1;min-width:0;border:0;background:transparent;height:100%;
  font-size:14px;color:var(--ld-text);
}
.ld-search input::placeholder{color:#A79C92}
.ld-search input:focus{outline:none}
.ld-search button{
  width:30px;height:30px;border:0;border-radius:50%;
  background:var(--ld-orange-light);color:var(--ld-orange-deep);
  display:inline-flex;align-items:center;justify-content:center;
  transition:background .2s var(--ld-ease),color .2s var(--ld-ease);
}
.ld-search button:hover{background:var(--ld-orange);color:#fff}
.ld-topbar-cta{margin-left:auto}
.ld-burger{
  display:none;margin-left:auto;
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--ld-line);background:#fff;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.ld-burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ld-ink);transition:transform .2s var(--ld-ease),opacity .2s var(--ld-ease)}
.ld-burger[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.ld-burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.ld-burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

.ld-nav{border-top:1px solid rgba(240,226,216,.7);background:rgba(255,249,244,.985)}
.ld-nav-inner{
  display:flex;align-items:center;height:52px;
  overflow-x:auto;scrollbar-width:none;
  -webkit-mask-image:linear-gradient(to right,#000 calc(100% - 28px),transparent 100%);
  mask-image:linear-gradient(to right,#000 calc(100% - 28px),transparent 100%);
}
.ld-nav-inner::-webkit-scrollbar{display:none}
.ld-tabs{display:flex;align-items:center;gap:6px;flex:0 0 auto}
.ld-tab{
  display:inline-flex;align-items:center;white-space:nowrap;
  padding:8px 16px;border-radius:999px;
  font-size:15px;font-weight:500;color:var(--ld-muted);
  transition:background .2s var(--ld-ease),color .2s var(--ld-ease);
}
.ld-tab:hover{background:var(--ld-orange-light);color:var(--ld-orange-deep)}
.ld-tab.is-active{background:var(--ld-orange);color:#fff;font-weight:700;box-shadow:0 8px 18px -10px rgba(242,84,45,.85)}

@media(max-width:900px){
  .ld-search{display:none}
  .ld-topbar-cta{display:none}
  .ld-burger{display:flex}
  .ld-nav{max-height:0;overflow:hidden;transition:max-height .3s var(--ld-ease)}
  .ld-nav.is-open{max-height:340px;overflow-y:auto}
  .ld-nav-inner{height:auto;padding:8px 0 14px;mask-image:none;-webkit-mask-image:none}
  .ld-tabs{flex-direction:column;align-items:stretch;width:100%;gap:4px}
  .ld-tab{justify-content:flex-start;border-radius:12px;padding:11px 16px;font-size:15.5px}
}

/* ============ buttons ============ */
.ld-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:700;font-size:15px;letter-spacing:.01em;
  border-radius:999px;padding:13px 26px;border:1px solid transparent;
  transition:transform .2s var(--ld-ease),background .2s var(--ld-ease),color .2s var(--ld-ease),box-shadow .2s var(--ld-ease),border-color .2s var(--ld-ease);
}
.ld-btn:active{transform:translateY(0)}
.ld-btn-primary{background:var(--ld-orange);color:#fff;box-shadow:0 10px 22px -12px rgba(242,84,45,.9)}
.ld-btn-primary:hover{background:var(--ld-orange-hover);transform:translateY(-2px);box-shadow:0 16px 26px -14px rgba(216,67,31,.9)}
.ld-btn-ghost{background:#fff;color:var(--ld-orange-deep);border-color:#F6C6B4}
.ld-btn-ghost:hover{background:var(--ld-orange-light);border-color:var(--ld-orange);transform:translateY(-2px)}
.ld-btn-sm{padding:10px 20px;font-size:14px}
.ld-btn[disabled],.ld-btn.is-disabled{background:#E7DBD2;color:#9C8F85;border-color:transparent;box-shadow:none;transform:none;cursor:not-allowed}
.ld-link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14.5px;font-weight:700;color:var(--ld-orange-deep);
}
.ld-link-arrow svg{transition:transform .2s var(--ld-ease)}
.ld-link-arrow:hover svg{transform:translateX(4px)}
.ld-link-arrow:hover{color:var(--ld-orange-hover)}

/* ============ breadcrumb ============ */
.ld-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--ld-muted)}
.ld-crumb a{color:var(--ld-muted);transition:color .2s var(--ld-ease)}
.ld-crumb a:hover{color:var(--ld-orange-deep)}
.ld-crumb span.is-current{color:var(--ld-ink);font-weight:600}
.ld-crumb i{font-style:normal;color:#C9B9AC}

/* ============ hero band ============ */
.ld-band{
  position:relative;overflow:hidden;
  background:
    radial-gradient(120% 90% at 88% 8%, rgba(255,194,75,.30) 0%, rgba(255,194,75,0) 58%),
    linear-gradient(180deg,#FFEDE5 0%,#FFF3EA 62%,#FFF9F4 100%);
  border-bottom:1px solid var(--ld-line);
  scroll-margin-top:var(--ld-sticky-offset);
}
.ld-band::after{
  content:"";position:absolute;left:-6%;right:-6%;bottom:-34px;height:70px;
  background:var(--ld-cream);transform:rotate(-2deg);transform-origin:left center;
}
.ld-band-inner{position:relative;z-index:2;padding:44px 0 72px}
@media(min-width:1024px){.ld-band-inner{padding:56px 0 88px}}
.ld-wave{position:absolute;right:4%;top:24px;display:flex;align-items:flex-end;gap:7px;opacity:.85;z-index:1;pointer-events:none}
.ld-wave i{display:block;width:8px;border-radius:6px;background:linear-gradient(180deg,var(--ld-yellow),var(--ld-orange));animation:ldPulse 2.6s var(--ld-ease) infinite}
.ld-wave i:nth-child(1){height:26px;animation-delay:0s}
.ld-wave i:nth-child(2){height:48px;animation-delay:.18s}
.ld-wave i:nth-child(3){height:70px;animation-delay:.36s}
.ld-wave i:nth-child(4){height:38px;animation-delay:.54s}
.ld-wave i:nth-child(5){height:58px;animation-delay:.72s}
.ld-wave i:nth-child(6){height:22px;animation-delay:.9s}
@keyframes ldPulse{0%,100%{transform:scaleY(1);opacity:.9}50%{transform:scaleY(.62);opacity:.55}}
@media(max-width:900px){.ld-wave{display:none}}

.ld-band-grid{display:grid;grid-template-columns:1fr;gap:32px;align-items:center}
@media(min-width:1024px){.ld-band-grid{grid-template-columns:1.15fr .85fr;gap:48px}}
.ld-band-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid #F8CBBA;color:var(--ld-orange-deep);
  font-size:12.5px;font-weight:700;letter-spacing:.04em;
  padding:7px 14px;border-radius:999px;margin-bottom:18px;
}
.ld-band-badge b{width:7px;height:7px;border-radius:50%;background:var(--ld-orange);display:inline-block}
.ld-band h1{
  font-size:clamp(30px,4.6vw,52px);
  max-width:16em;
}
.ld-band h1 em{font-style:normal;color:var(--ld-orange);position:relative}
.ld-band-desc{margin-top:18px;max-width:640px;font-size:16.5px;color:#4A4139;line-height:1.85}
.ld-band-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.ld-band-stats{display:flex;flex-wrap:wrap;gap:32px;margin-top:34px;padding-top:24px;border-top:1px dashed #EFCFBF}
.ld-band-stats div{min-width:104px}
.ld-band-stats strong{display:block;font-family:var(--ld-font-num);font-size:26px;font-weight:700;color:var(--ld-ink);line-height:1.2}
.ld-band-stats span{font-size:13px;color:var(--ld-muted)}
.ld-band-media{position:relative;border-radius:20px;overflow:hidden;box-shadow:var(--ld-shadow)}
.ld-band-media img{width:100%;aspect-ratio:16/11;object-fit:cover;background:var(--ld-orange-light)}
.ld-band-media figcaption{
  position:absolute;left:14px;bottom:14px;right:14px;
  background:rgba(18,33,29,.82);color:var(--ld-reverse);
  border-radius:12px;padding:10px 14px;font-size:13px;line-height:1.55;
  backdrop-filter:blur(4px);
}
@media(max-width:1023px){
  .ld-band-media img{aspect-ratio:16/9;max-height:260px}
}

/* ============ section basics ============ */
.ld-section{padding:56px 0;scroll-margin-top:var(--ld-sticky-offset)}
@media(min-width:1024px){.ld-section{padding:76px 0}}
.ld-section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:34px}
.ld-section-head h2{font-size:clamp(24px,3vw,36px)}
.ld-section-head p{margin-top:10px;color:var(--ld-muted);font-size:15.5px;max-width:640px}
.ld-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.12em;color:var(--ld-orange-deep);
  margin-bottom:12px;
}
.ld-eyebrow::before{content:"";width:20px;height:3px;border-radius:3px;background:var(--ld-orange)}

/* ============ value strip ============ */
.ld-value{display:grid;grid-template-columns:1fr;gap:28px;align-items:start}
@media(min-width:1024px){.ld-value{grid-template-columns:.9fr 1.1fr;gap:56px}}
.ld-value-lead h2{font-size:clamp(24px,3vw,34px);max-width:14em}
.ld-value-lead p{margin-top:16px;color:var(--ld-muted);font-size:15.5px}
.ld-value-list{display:grid;grid-template-columns:1fr;gap:14px}
@media(min-width:640px){.ld-value-list{grid-template-columns:1fr 1fr;gap:16px}}
.ld-value-item{
  background:var(--ld-card);border:1px solid var(--ld-line);border-radius:var(--ld-radius-card);
  padding:20px;box-shadow:var(--ld-shadow);
  transition:transform .2s var(--ld-ease),box-shadow .2s var(--ld-ease),border-color .2s var(--ld-ease);
}
.ld-value-item:hover{transform:translateY(-4px);box-shadow:var(--ld-shadow-hover);border-color:#F8CBBA}
.ld-value-item .ld-ico{
  width:38px;height:38px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--ld-orange-light);color:var(--ld-orange-deep);margin-bottom:12px;
}
.ld-value-item h3{font-size:17px;font-weight:700;margin-bottom:6px}
.ld-value-item p{font-size:14.5px;color:var(--ld-muted);line-height:1.7}

/* ============ compact card grid ============ */
.ld-grid-3{display:grid;grid-template-columns:1fr;gap:22px}
@media(min-width:640px){.ld-grid-3{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.ld-grid-3{grid-template-columns:repeat(3,1fr)}}
.ld-svc{
  display:flex;flex-direction:column;
  background:var(--ld-card);border:1px solid var(--ld-line);border-radius:var(--ld-radius-card);
  overflow:hidden;box-shadow:var(--ld-shadow);
  transition:transform .2s var(--ld-ease),box-shadow .2s var(--ld-ease),border-color .2s var(--ld-ease);
}
.ld-svc:hover{transform:translateY(-4px);box-shadow:var(--ld-shadow-hover);border-color:#F8CBBA}
.ld-svc-media{position:relative;overflow:hidden;background:var(--ld-orange-light)}
.ld-svc-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s var(--ld-ease)}
.ld-svc:hover .ld-svc-media img{transform:scale(1.03)}
.ld-badge{
  display:inline-flex;align-items:center;
  background:var(--ld-orange-light);color:var(--ld-orange-deep);
  font-size:12px;font-weight:700;line-height:1;
  padding:7px 11px;border-radius:7px;letter-spacing:.02em;
}
.ld-svc-media .ld-badge{position:absolute;left:12px;top:12px;background:rgba(255,249,244,.94);box-shadow:0 4px 12px -6px rgba(31,27,24,.5)}
.ld-svc-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.ld-svc-body h3{font-size:18px;font-weight:700;line-height:1.42}
.ld-svc-body p{
  font-size:14.5px;color:var(--ld-muted);line-height:1.68;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;
}
.ld-svc-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:14px;border-top:1px solid #F7EDE5;
  font-size:13px;color:var(--ld-muted);
}
.ld-svc-meta b{font-family:var(--ld-font-num);font-weight:600;color:var(--ld-ink)}
.ld-svc-meta .ld-mini-arrow{color:var(--ld-orange);transition:transform .2s var(--ld-ease)}
.ld-svc:hover .ld-mini-arrow{transform:translateX(4px)}

/* ============ flow ============ */
.ld-flow{background:var(--ld-card);border:1px solid var(--ld-line);border-radius:22px;padding:30px 24px;box-shadow:var(--ld-shadow)}
@media(min-width:1024px){.ld-flow{padding:42px 40px}}
.ld-flow-list{display:grid;grid-template-columns:1fr;gap:22px;margin-top:26px}
@media(min-width:640px){.ld-flow-list{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.ld-flow-list{grid-template-columns:repeat(4,1fr);gap:24px}}
.ld-flow-item{position:relative;padding-left:0}
.ld-flow-item span.ld-step{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;
  font-family:var(--ld-font-num);font-weight:700;font-size:15px;
  background:var(--ld-ink);color:var(--ld-yellow);margin-bottom:12px;
}
.ld-flow-item h3{font-size:16.5px;font-weight:700;margin-bottom:7px}
.ld-flow-item p{font-size:14.5px;color:var(--ld-muted);line-height:1.7}

/* ============ quote ============ */
.ld-quotes{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:900px){.ld-quotes{grid-template-columns:1fr 1fr;gap:24px}}
.ld-quote{
  background:var(--ld-ink);color:var(--ld-reverse);
  border-radius:20px;padding:28px;
  position:relative;overflow:hidden;
}
.ld-quote:nth-child(2){background:var(--ld-ink-soft)}
.ld-quote::before{
  content:"";position:absolute;right:-30px;top:-30px;width:130px;height:130px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,194,75,.34),rgba(255,194,75,0) 68%);
}
.ld-quote p{font-size:16.5px;line-height:1.85;color:rgba(255,249,244,.94);position:relative;z-index:1}
.ld-quote footer{margin-top:20px;display:flex;align-items:center;gap:12px;position:relative;z-index:1}
.ld-quote .ld-avatar{
  width:38px;height:38px;border-radius:50%;flex:0 0 auto;
  background:linear-gradient(135deg,var(--ld-orange),var(--ld-yellow));
  display:inline-flex;align-items:center;justify-content:center;
  color:#12211D;font-weight:800;font-size:14px;
}
.ld-quote cite{font-style:normal;font-size:14px;font-weight:700;display:block;color:#FFF9F4}
.ld-quote small{font-size:12.5px;color:rgba(255,249,244,.62)}

/* ============ FAQ ============ */
.ld-faq{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.ld-faq-item{background:var(--ld-card);border:1px solid var(--ld-line);border-radius:14px;overflow:hidden;transition:border-color .2s var(--ld-ease),box-shadow .2s var(--ld-ease)}
.ld-faq-item.is-open{border-color:var(--ld-orange);box-shadow:0 10px 24px -18px rgba(242,84,45,.7)}
.ld-faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:0;text-align:left;
  padding:18px 20px;font-size:16px;font-weight:700;color:var(--ld-text);
  transition:color .2s var(--ld-ease);
}
.ld-faq-q:hover{color:var(--ld-orange-deep)}
.ld-faq-item.is-open .ld-faq-q{color:var(--ld-orange-deep)}
.ld-faq-q svg{flex:0 0 auto;transition:transform .25s var(--ld-ease);color:var(--ld-orange)}
.ld-faq-item.is-open .ld-faq-q svg{transform:rotate(180deg)}
.ld-faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ld-ease)}
.ld-faq-a p{padding:0 20px 20px;font-size:15px;color:var(--ld-muted);line-height:1.8}

/* ============ horizontal rail ============ */
.ld-rail-wrap{position:relative}
.ld-rail{
  display:flex;gap:16px;overflow-x:auto;padding:4px 4px 18px;
  scroll-snap-type:x mandatory;scrollbar-width:thin;
}
.ld-rail::-webkit-scrollbar{height:6px}
.ld-rail::-webkit-scrollbar-thumb{background:#EFD9CB;border-radius:6px}
.ld-rail::-webkit-scrollbar-track{background:transparent}
.ld-rail-card{
  flex:0 0 268px;scroll-snap-align:start;
  background:var(--ld-card);border:1px solid var(--ld-line);border-radius:16px;
  overflow:hidden;box-shadow:var(--ld-shadow);
  transition:transform .2s var(--ld-ease),box-shadow .2s var(--ld-ease),border-color .2s var(--ld-ease);
}
.ld-rail-card:hover{transform:translateY(-4px);box-shadow:var(--ld-shadow-hover);border-color:#F8CBBA}
.ld-rail-card img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--ld-orange-light)}
.ld-rail-body{padding:14px 16px 16px}
.ld-rail-body h3{font-size:15.5px;font-weight:700;margin-bottom:6px;line-height:1.45}
.ld-rail-body p{font-size:13.5px;color:var(--ld-muted);line-height:1.65}
.ld-rail-hint{font-size:12.5px;color:var(--ld-muted);margin-top:6px}
.ld-back-home{display:flex;justify-content:center;margin-top:30px}

/* ============ CTA ============ */
.ld-cta{
  position:relative;overflow:hidden;
  background:linear-gradient(120deg,#12211D 0%,#1B302A 70%,#22413A 100%);
  color:var(--ld-reverse);border-radius:24px;
  padding:40px 26px;
}
@media(min-width:1024px){.ld-cta{padding:56px 56px}}
.ld-cta::before{
  content:"";position:absolute;right:-60px;bottom:-60px;width:240px;height:240px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,84,45,.42),rgba(242,84,45,0) 70%);
}
.ld-cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr;gap:26px;align-items:center}
@media(min-width:900px){.ld-cta-inner{grid-template-columns:1.25fr .75fr;gap:40px}}
.ld-cta h2{font-size:clamp(23px,2.8vw,32px);color:#FFF9F4;max-width:16em}
.ld-cta p{margin-top:14px;font-size:15.5px;color:rgba(255,249,244,.78);line-height:1.8;max-width:560px}
.ld-cta-actions{display:flex;flex-wrap:wrap;gap:12px}
@media(min-width:900px){.ld-cta-actions{justify-content:flex-end}}
.ld-cta .ld-btn-ghost{background:transparent;color:#FFF9F4;border-color:rgba(255,249,244,.4)}
.ld-cta .ld-btn-ghost:hover{background:rgba(255,249,244,.12);border-color:#FFF9F4}
.ld-cta-note{position:relative;z-index:1;margin-top:26px;padding-top:20px;border-top:1px solid rgba(255,249,244,.16);font-size:13px;color:rgba(255,249,244,.6)}

/* ============ footer ============ */
.ld-footer{
  position:relative;margin-top:64px;
  background:var(--ld-ink);color:var(--ld-reverse);
  border-top:3px solid var(--ld-orange);
}
.ld-footer .ld-container{padding-top:52px;padding-bottom:0}
.ld-footer-grid{display:grid;grid-template-columns:1fr;gap:32px;padding-bottom:40px}
@media(min-width:640px){.ld-footer-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.ld-footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}}
.ld-footer .ld-logo-text{color:#FFF9F4}
.ld-footer .ld-logo-text em{color:var(--ld-yellow)}
.ld-footer-brand p{margin-top:16px;font-size:14.5px;line-height:1.8;color:rgba(255,249,244,.66);max-width:320px}
.ld-socials{display:flex;gap:10px;margin-top:20px}
.ld-social{
  width:36px;height:36px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,249,244,.08);color:rgba(255,249,244,.78);
  transition:background .2s var(--ld-ease),color .2s var(--ld-ease),transform .2s var(--ld-ease);
}
.ld-social:hover{background:var(--ld-orange);color:#fff;transform:translateY(-2px)}
.ld-footer h4{font-size:14px;font-weight:700;letter-spacing:.06em;color:#FFF9F4;margin-bottom:16px}
.ld-footer-list{display:flex;flex-direction:column;gap:11px;font-size:14px}
.ld-footer-list a,.ld-footer-list span{color:rgba(255,249,244,.62);line-height:1.65;transition:color .2s var(--ld-ease)}
.ld-footer-list a:hover{color:#FFF9F4}
.ld-footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  padding:18px 0 26px;border-top:1px solid rgba(255,249,244,.12);
  font-size:13px;color:rgba(255,249,244,.5);
}
.ld-to-top{
  display:inline-flex;align-items:center;gap:7px;
  background:rgba(255,249,244,.08);border:1px solid rgba(255,249,244,.16);
  color:rgba(255,249,244,.82);border-radius:999px;
  padding:8px 16px;font-size:13px;
  transition:background .2s var(--ld-ease),color .2s var(--ld-ease),transform .2s var(--ld-ease);
}
.ld-to-top:hover{background:var(--ld-orange);border-color:var(--ld-orange);color:#fff;transform:translateY(-2px)}