/* roulang page: index */
:root{
  --brand:#FF5A2E;
  --brand-dark:#E8481C;
  --brand-light:#FF9A6B;
  --accent:#B6E63A;
  --accent-dark:#8FD41F;
  --ink:#0F1A18;
  --ink-soft:#132420;
  --sand:#F6F4EF;
  --card:#FFFFFF;
  --alt:#EDEFEA;
  --text:#0F1A18;
  --text-2:#5A6663;
  --line:#DCE3DF;
  --danger:#E5484D;
  --grad-brand:linear-gradient(96deg,#FF5A2E 0%,#FF8A2E 55%,#FFC845 100%);
  --grad-ink:linear-gradient(180deg,#0F1A18 0%,#132420 100%);
  --grad-accent:linear-gradient(90deg,#B6E63A 0%,#8FD41F 100%);
  --r-sm:8px; --r-md:12px; --r-lg:16px; --r-xl:24px; --r-2xl:32px; --r-pill:999px;
  --sh1:0 2px 8px rgba(15,26,24,.05);
  --sh2:0 10px 30px rgba(15,26,24,.08);
  --sh3:0 24px 60px rgba(15,26,24,.12);
  --ease:240ms cubic-bezier(.2,.7,.3,1);
  --font-cn:"HarmonyOS Sans SC","MiSans","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--text);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--brand);}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
h1,h2,h3,h4{margin:0;font-family:var(--font-cn);color:var(--ink);letter-spacing:-.01em;}
button{font-family:inherit;}
:focus{outline:none;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:3px solid rgba(255,90,46,.45);
  outline-offset:2px;
  border-radius:6px;
}
.container,.container-lg,.container-md,.container-sm,.container-xl{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}
@media (max-width:767px){
  .container,.container-lg,.container-md,.container-sm,.container-xl{padding-left:20px;padding-right:20px;}
}
.num{font-variant-numeric:tabular-nums;letter-spacing:-.02em;}

/* ============ HEADER ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(246,244,239,.88);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.site-header.scrolled{
  background:rgba(255,255,255,.94);
  border-bottom-color:var(--line);
  box-shadow:var(--sh1);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:20px;
  height:76px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:12px;
  background:var(--grad-brand);
  color:#fff;font-weight:800;font-size:18px;
  display:grid;place-items:center;
  box-shadow:0 6px 16px rgba(255,90,46,.32);
  flex:0 0 36px;
}
.brand-name{font-size:18px;font-weight:800;color:var(--ink);white-space:nowrap;letter-spacing:-.02em;}
.brand:hover .brand-name{color:var(--brand);}
.nav-search{
  position:relative;
  display:flex;align-items:center;
  flex:1 1 300px;max-width:520px;min-width:220px;
  height:48px;
  background:#fff;
  border:1.5px solid var(--line);
  border-radius:var(--r-pill);
  padding:0 6px 0 16px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.nav-search:focus-within{
  border-color:var(--brand-light);
  box-shadow:0 0 0 4px rgba(255,90,46,.14),var(--sh2);
}
.nav-search .fa-magnifying-glass{color:rgba(15,26,24,.5);font-size:15px;}
.nav-search input{
  flex:1;min-width:0;
  border:0;background:transparent;
  font-size:15px;color:var(--text);
  padding:0 12px;height:44px;
}
.nav-search input::placeholder{color:#95A29E;}
.nav-search input:focus{outline:none;}
.nav-search button{
  flex:0 0 auto;
  height:38px;padding:0 20px;
  border:0;border-radius:var(--r-pill);
  background:var(--grad-brand);
  color:#fff;font-size:14px;font-weight:700;
  cursor:pointer;
  transition:filter var(--ease),transform var(--ease);
}
.nav-search button:hover{filter:brightness(1.05);}
.nav-search button:active{transform:scale(.97);}
.main-nav{display:flex;align-items:center;gap:18px;flex:0 0 auto;}
.main-nav a{
  position:relative;
  font-size:14px;font-weight:600;color:var(--text);
  padding:6px 0;white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:50%;bottom:0;
  width:0;height:2px;border-radius:2px;
  background:var(--grad-brand);
  transform:translateX(-50%);
  transition:width var(--ease);
}
.main-nav a:hover,.main-nav a.active{color:var(--brand);}
.main-nav a:hover::after,.main-nav a.active::after{width:20px;}
.header-cta{
  flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;
  height:44px;padding:0 22px;border-radius:var(--r-pill);
  background:var(--grad-brand);color:#fff;
  font-size:15px;font-weight:700;
  box-shadow:0 10px 22px rgba(255,90,46,.24);
  transition:transform var(--ease),filter var(--ease),box-shadow var(--ease);
}
.header-cta:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.04);box-shadow:0 14px 28px rgba(255,90,46,.3);}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:14px;
  background:#fff;color:var(--ink);
  place-items:center;font-size:17px;
  cursor:pointer;flex:0 0 44px;
  transition:var(--ease);
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand);}
.mobile-panel{
  display:none;
  border-top:1px solid var(--line);
  background:rgba(255,255,255,.98);
  padding:16px 0 22px;
}
.mobile-panel.open{display:block;}
.mobile-panel .mobile-search{
  display:flex;align-items:center;gap:10px;
  height:50px;border:1.5px solid var(--line);border-radius:var(--r-pill);
  background:#fff;padding:0 8px 0 16px;margin-bottom:14px;
}
.mobile-panel .mobile-search input{flex:1;min-width:0;border:0;background:transparent;font-size:15px;height:44px;}
.mobile-panel .mobile-search input:focus{outline:none;}
.mobile-panel .mobile-search .fa-magnifying-glass{color:rgba(15,26,24,.5);font-size:15px;}
.mobile-panel .mobile-search button{
  height:38px;padding:0 18px;border:0;border-radius:var(--r-pill);
  background:var(--grad-brand);color:#fff;font-size:14px;font-weight:700;
}
.mobile-nav{display:block;}
.mobile-nav a{
  display:flex;align-items:center;justify-content:space-between;
  height:56px;font-size:16px;font-weight:600;
  border-bottom:1px solid var(--line);
}
.mobile-nav a:last-child{border-bottom:0;}
.mobile-nav a i{color:var(--brand-light);font-size:13px;}
.mobile-nav a.active{color:var(--brand);}
.mobile-cta{
  display:flex;align-items:center;justify-content:center;
  height:50px;margin-top:14px;border-radius:var(--r-pill);
  background:var(--grad-brand);color:#fff;font-weight:700;font-size:16px;
}

/* ============ BUTTONS ============ */
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 28px;border:0;border-radius:var(--r-pill);
  background:var(--grad-brand);color:#fff;
  font-size:16px;font-weight:700;
  cursor:pointer;
  box-shadow:0 10px 24px rgba(255,90,46,.24);
  transition:transform var(--ease),box-shadow var(--ease),filter var(--ease);
}
.btn-brand:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.04);box-shadow:0 16px 34px rgba(255,90,46,.3);}
.btn-brand:active{transform:translateY(0);filter:brightness(.96);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 26px;border-radius:var(--r-pill);
  background:#fff;border:1.5px solid var(--ink);color:var(--ink);
  font-size:16px;font-weight:700;
  transition:background var(--ease),color var(--ease),transform var(--ease);
}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-2px);}
.btn-ink-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 26px;border-radius:var(--r-pill);
  background:transparent;border:1px solid rgba(255,255,255,.4);color:#fff;
  font-size:16px;font-weight:700;
  transition:var(--ease);
}
.btn-ink-ghost:hover{background:#fff;color:var(--ink);border-color:#fff;}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:700;color:var(--brand);
}
.link-arrow i{transition:transform var(--ease);font-size:13px;}
.link-arrow:hover i{transform:translateX(4px);}

/* ============ BADGES ============ */
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;border-radius:var(--r-pill);
  font-size:13px;font-weight:700;
}
.badge-lime{background:var(--grad-accent);color:#132008;}
.badge-line{background:#fff;border:1px solid var(--line);color:var(--text-2);}
.badge-grad{background:var(--grad-brand);color:#fff;}

/* ============ HERO ============ */
.hero{
  position:relative;
  overflow:hidden;
  background:var(--sand);
  padding-top:48px;
}
.hero-glow{
  position:absolute;top:-180px;right:-160px;
  width:760px;height:760px;
  background:radial-gradient(circle at center,rgba(255,90,46,.18),rgba(255,200,69,.12) 45%,rgba(255,255,255,0) 72%);
  pointer-events:none;
}
.hero-bgimg{
  position:absolute;right:0;bottom:0;
  width:620px;max-width:52%;
  opacity:.15;pointer-events:none;
  mask-image:linear-gradient(90deg,transparent,#000 40%);
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 40%);
}
.hero-grid{
  position:relative;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:center;
  padding-bottom:72px;
}
.hero-copy{min-width:0;}
.hero-copy .pill{
  display:inline-flex;align-items:center;gap:8px;
  height:32px;padding:0 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);
  font-size:13px;font-weight:700;color:var(--brand);
  margin-bottom:20px;
}
.hero-copy h1{
  font-size:52px;line-height:1.15;font-weight:800;
  margin-bottom:18px;
}
.hero-sub{
  font-size:18px;
  color:var(--text-2);
  max-width:560px;
  margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:32px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:10px;}
.hero-stats li{
  display:flex;flex-direction:column;
  padding:10px 18px;border-radius:16px;
  background:#fff;border:1px solid var(--line);
  box-shadow:var(--sh1);
}
.hero-stats li b{font-size:14px;font-weight:700;color:var(--ink);line-height:1.4;}
.hero-stats li span{font-size:12px;color:var(--text-2);line-height:1.4;}
.hero-visual{
  position:relative;
  border-radius:var(--r-2xl);
  overflow:hidden;
  box-shadow:var(--sh3);
  background:var(--ink);
}
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-floater{
  position:absolute;left:20px;bottom:20px;right:20px;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  background:rgba(15,26,24,.86);
  border:1px solid rgba(255,255,255,.1);
  border-radius:16px;
  padding:14px 18px;
  color:#fff;
  backdrop-filter:blur(8px);
}
.hero-floater span{font-size:13px;color:rgba(255,255,255,.65);}
.hero-floater b{font-size:16px;font-weight:800;color:#fff;}
.hero-band{
  position:absolute;left:0;right:0;bottom:0;height:6px;
  background:var(--grad-brand);
}

/* ============ SECTION BASE ============ */
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:40px;
  flex-wrap:wrap;
}
.section-head h2{
  position:relative;
  font-size:34px;line-height:1.25;font-weight:700;
  padding-top:18px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:0;
  width:56px;height:6px;border-radius:999px;
  background:var(--grad-brand);
}
.section-head .head-note{font-size:14px;color:var(--text-2);max-width:520px;}
.section-alt{background:var(--alt);}

/* ============ METRICS ============ */
.ink-section{
  background:var(--grad-ink);
  color:#fff;
  padding:64px 0;
}
.ink-section h2,.ink-section h3{color:#fff;}
.ink-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;
  margin-bottom:36px;
}
.ink-head h2{
  position:relative;font-size:34px;line-height:1.25;font-weight:700;padding-top:18px;
}
.ink-head h2::before{
  content:"";position:absolute;left:0;top:0;width:56px;height:6px;border-radius:999px;
  background:var(--grad-accent);
}
.ink-head p{font-size:14px;color:rgba(255,255,255,.6);margin:0;max-width:460px;}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.metric-card{
  position:relative;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.10);
  border-radius:20px;
  padding:24px;
  transition:border-color var(--ease),background var(--ease),transform var(--ease);
}
.metric-card:hover{background:rgba(255,255,255,.09);border-color:rgba(255,255,255,.2);transform:translateY(-4px);}
.metric-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;}
.metric-value{
  font-size:48px;font-weight:800;line-height:1.1;
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
  color:#fff;
}
.metric-unit{font-size:13px;color:rgba(255,255,255,.55);display:block;margin-top:4px;}
.metric-up{
  flex:0 0 auto;
  display:inline-flex;align-items:center;gap:4px;
  height:26px;padding:0 10px;border-radius:var(--r-pill);
  background:rgba(182,230,58,.16);color:var(--accent);
  font-size:12px;font-weight:700;
}
.metric-down{
  flex:0 0 auto;
  display:inline-flex;align-items:center;gap:4px;
  height:26px;padding:0 10px;border-radius:var(--r-pill);
  background:rgba(255,90,46,.18);color:var(--brand-light);
  font-size:12px;font-weight:700;
}
.metric-name{
  margin-top:16px;padding-top:14px;
  border-top:1px dashed rgba(255,255,255,.22);
  font-size:14px;color:rgba(255,255,255,.78);
}
.metric-note{display:block;margin-top:6px;font-size:12px;color:rgba(255,255,255,.42);}

/* ============ SERVICE MATRIX ============ */
.svc-row{display:grid;gap:24px;margin-bottom:24px;}
.svc-row:last-child{margin-bottom:0;}
.row-75{grid-template-columns:7fr 5fr;}
.row-444{grid-template-columns:repeat(3,1fr);}
.card-soft{
  display:flex;flex-direction:column;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  padding:28px;
  box-shadow:var(--sh1);
  transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);
  min-width:0;
}
.card-soft:hover{box-shadow:var(--sh3);transform:translateY(-4px);border-color:#CFD9D4;}
.card-media{border-radius:var(--r-lg);overflow:hidden;margin-bottom:20px;}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform 400ms cubic-bezier(.2,.7,.3,1);}
.card-soft:hover .card-media img{transform:scale(1.04);}
.icon-badge{
  width:40px;height:40px;border-radius:12px;
  background:#FFEDE6;color:var(--brand);
  display:grid;place-items:center;font-size:17px;
  margin-bottom:16px;flex:0 0 40px;
}
.card-soft h3{font-size:22px;line-height:1.35;font-weight:600;margin-bottom:12px;}
.card-soft .card-desc{font-size:15px;line-height:1.8;color:var(--text-2);margin-bottom:18px;}
.card-soft .card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;}
.card-ink{
  background:var(--grad-ink);
  border-color:rgba(255,255,255,.1);
  color:#fff;
}
.card-ink h3{color:#fff;}
.card-ink .card-desc{color:rgba(255,255,255,.72);}
.card-ink .icon-badge{background:rgba(182,230,58,.16);color:var(--accent);}
.card-ink .link-arrow{color:var(--accent);}
.card-ink:hover{border-color:rgba(182,230,58,.4);}

/* ============ COMPARE ============ */
.compare-wrap{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.compare-divider{
  position:absolute;left:50%;top:14%;height:72%;width:2px;
  transform:translateX(-50%);
  background:linear-gradient(180deg,#FF5A2E 0%,#FFC845 55%,#B6E63A 100%);
  border-radius:2px;
}
.compare-dot{
  position:absolute;left:50%;top:50%;
  transform:translate(-50%,-50%);
  width:36px;height:36px;border-radius:50%;
  background:var(--grad-brand);color:#fff;
  display:grid;place-items:center;font-size:13px;
  box-shadow:0 8px 20px rgba(255,90,46,.35);
}
.compare-card{
  border-radius:var(--r-xl);
  padding:28px;
  border:1px solid var(--line);
  min-width:0;
}
.compare-card.left{background:var(--alt);}
.compare-card.right{background:#fff;border-left:4px solid var(--brand);box-shadow:var(--sh2);}
.compare-card h3{font-size:22px;font-weight:600;margin-bottom:16px;}
.compare-card ul{display:flex;flex-direction:column;gap:12px;}
.compare-card li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:15px;line-height:1.75;color:var(--text-2);
}
.compare-card li::before{
  content:"";flex:0 0 8px;width:8px;height:8px;border-radius:2px;
  margin-top:9px;background:var(--ink);
}
.compare-card.right li::before{background:var(--accent-dark);}
.bars{margin-top:40px;display:flex;flex-direction:column;gap:24px;}
.bar-row{display:grid;grid-template-columns:140px 1fr;gap:16px;align-items:center;}
.bar-label{font-size:14px;font-weight:600;color:var(--ink);line-height:1.5;}
.bar-label span{display:block;font-size:12px;font-weight:400;color:var(--text-2);}
.bar-track{
  display:flex;height:12px;border-radius:var(--r-pill);
  overflow:hidden;background:var(--alt);
  box-shadow:var(--sh1);
}
.bar-track i{display:block;height:100%;}
.bar-a{background:var(--grad-brand);}
.bar-b{background:var(--grad-accent);}

/* ============ POST LIST ============ */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);
  border-radius:var(--r-xl);overflow:hidden;
  box-shadow:var(--sh1);
  color:inherit;
  transition:box-shadow var(--ease),transform var(--ease);
  min-width:0;
}
.post-card:hover{box-shadow:var(--sh3);transform:translateY(-4px);color:inherit;}
.post-thumb{position:relative;overflow:hidden;background:var(--alt);}
.post-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform 400ms cubic-bezier(.2,.7,.3,1);}
.post-card:hover .post-thumb img{transform:scale(1.04);}
.post-cat{
  position:absolute;left:14px;top:14px;
  height:28px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--grad-accent);color:#132008;
  font-size:12px;font-weight:700;
  display:inline-flex;align-items:center;
}
.post-body{padding:22px;display:flex;flex-direction:column;flex:1;}
.post-title{
  font-size:17px;font-weight:700;line-height:1.55;margin:0 0 10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-excerpt{
  font-size:14px;line-height:1.7;color:var(--text-2);margin:0 0 18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{
  margin-top:auto;
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--text-2);
}
.post-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--line);}
.empty-state{
  grid-column:1/-1;
  height:160px;border:1px dashed var(--line);border-radius:var(--r-xl);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
  color:var(--text-2);font-size:15px;background:#fff;
}
.empty-state i{font-size:28px;color:rgba(15,26,24,.28);}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:920px;margin:0 auto;}
.faq-item{
  position:relative;
  background:#fff;border:1px solid var(--line);
  border-radius:20px;overflow:hidden;
  box-shadow:var(--sh1);
  transition:box-shadow var(--ease),border-color var(--ease);
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:0;
  background:var(--grad-brand);
  transition:width var(--ease);
}
.faq-item[open]{box-shadow:var(--sh2);border-color:#CFD9D4;}
.faq-item[open]::before{width:4px;}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;
  font-size:17px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-icon{position:relative;flex:0 0 24px;width:24px;height:24px;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;
  transition:transform var(--ease),opacity var(--ease);
}
.faq-icon::before{left:0;top:11px;width:24px;height:2px;}
.faq-icon::after{left:11px;top:0;width:2px;height:24px;}
.faq-item[open] .faq-icon::after{transform:rotate(90deg);opacity:0;}
.faq-body{padding:0 24px 22px 24px;font-size:16px;line-height:1.8;color:var(--text-2);}

/* ============ CTA / FORM ============ */
.cta-section{padding:0 0 96px;background:var(--sand);}
.cta-panel{
  background:var(--grad-ink);
  border-radius:var(--r-2xl);
  padding:56px 48px;
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:48px;
  color:#fff;
  position:relative;
  overflow:hidden;
}
.cta-panel::after{
  content:"";position:absolute;right:-120px;top:-120px;
  width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,90,46,.28),rgba(255,90,46,0) 70%);
  pointer-events:none;
}
.cta-left{position:relative;z-index:1;}
.cta-left h2{color:#fff;font-size:34px;line-height:1.3;font-weight:700;margin-bottom:16px;}
.cta-left p{color:rgba(255,255,255,.7);font-size:16px;margin-bottom:24px;}
.cta-points{display:flex;flex-direction:column;gap:12px;}
.cta-points li{display:flex;align-items:center;gap:10px;font-size:15px;color:rgba(255,255,255,.86);}
.cta-points li i{color:var(--accent);font-size:14px;}
.form-card{
  position:relative;z-index:1;
  background:#fff;border-radius:var(--r-xl);
  padding:32px;
  box-shadow:var(--sh3);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{display:flex;flex-direction:column;gap:8px;min-width:0;}
.field.full{grid-column:1/-1;}
.field label{font-size:15px;font-weight:600;color:var(--ink);}
.field label .req{color:var(--brand);margin-left:2px;}
.field input,.field select,.field textarea{
  width:100%;
  height:52px;
  border:1px solid var(--line);
  border-radius:14px;
  padding:0 16px;
  font-size:15px;
  font-family:inherit;
  color:var(--text);
  background:#fff;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.field textarea{height:auto;min-height:120px;padding:14px 16px;line-height:1.7;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:#9BA8A4;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(255,90,46,.13);
}
.form-card .btn-brand{width:100%;margin-top:22px;}
.form-tip{margin-top:14px;font-size:13px;color:var(--text-2);line-height:1.6;}

/* ============ FOOTER ============ */
.site-footer{
  background:#0F1A18;
  color:#fff;
  border-top:1px solid rgba(255,255,255,.08);
  padding-top:64px;
}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1.4fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{box-shadow:none;}
.footer-brand span{font-size:18px;font-weight:800;color:#fff;}
.footer-intro{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);margin-bottom:20px;max-width:340px;}
.socials{display:flex;gap:10px;}
.socials a{
  width:36px;height:36px;border-radius:50%;
  border:1px solid rgba(255,255,255,.22);
  display:grid;place-items:center;
  color:rgba(255,255,255,.72);font-size:14px;
  transition:var(--ease);
}
.socials a:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:.02em;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{font-size:15px;color:rgba(255,255,255,.72);}
.footer-col a:hover{color:var(--brand);}
.footer-col p{font-size:14px;color:rgba(255,255,255,.62);line-height:1.8;margin-bottom:10px;}
.footer-col p b{color:rgba(255,255,255,.88);font-weight:600;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.5);}
.footer-bottom a:hover{color:var(--brand);}

/* ============ RESPONSIVE ============ */
@media (max-width:1399px){
  .hero-copy h1{font-size:48px;}
}
@media (max-width:1199px){
  .main-nav{display:none;}
  .header-cta{display:none;}
  .nav-toggle{display:grid;}
  .header-inner{gap:14px;}
  .nav-search{max-width:none;}
  .hero{padding-top:36px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;padding-bottom:56px;}
  .hero-copy h1{font-size:42px;}
  .hero-visual img{aspect-ratio:16/9;}
  .hero-bgimg{max-width:70%;opacity:.12;}
  .metric-grid{grid-template-columns:repeat(2,1fr);}
  .row-75{grid-template-columns:1fr;}
  .row-444{grid-template-columns:1fr 1fr;}
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .section{padding:72px 0;}
  .section-head h2,.ink-head h2,.cta-left h2{font-size:30px;}
  .cta-panel{grid-template-columns:1fr;padding:44px 36px;gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:991px){
  .nav-search{display:none;}
  .hero-bgimg{display:none;}
  .compare-wrap{grid-template-columns:1fr;}
  .compare-divider,.compare-dot{display:none;}
  .compare-card.right{border-left:1px solid var(--line);border-top:4px solid var(--brand);}
  .row-444{grid-template-columns:1fr;}
  .section{padding:64px 0;}
  .bar-row{grid-template-columns:1fr;gap:8px;}
  .ink-section{padding:56px 0;}
}
@media (max-width:767px){
  body{font-size:16px;line-height:1.8;}
  .section{padding:56px 0;}
  .hero{padding-top:24px;}
  .hero-copy h1{font-size:30px;line-height:1.28;}
  .hero-sub{font-size:16px;}
  .hero-actions .btn-brand,.hero-actions .btn-ghost{width:100%;}
  .hero-floater{left:12px;right:12px;bottom:12px;padding:12px 14px;}
  .hero-floater b{font-size:14px;}
  .section-head h2,.ink-head h2,.cta-left h2{font-size:24px;}
  .section-head{margin-bottom:28px;}
  .metric-grid{grid-template-columns:1fr;gap:14px;}
  .metric-value{font-size:38px;}
  .post-grid{grid-template-columns:1fr;}
  .card-soft{padding:20px;}
  .card-soft h3{font-size:19px;}
  .form-card{padding:22px;}
  .form-grid{grid-template-columns:1fr;}
  .cta-panel{padding:32px 22px;border-radius:24px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .faq-item summary{font-size:16px;padding:18px 18px;}
  .faq-body{padding:0 18px 18px 18px;font-size:15px;}
  .compare-card{padding:22px;}
  .bars{margin-top:28px;}
}

/* roulang page: article */
:root{
  --brand:#FF5A2E;
  --brand-dark:#E8481C;
  --brand-light:#FF9A6B;
  --lime:#B6E63A;
  --ink:#0F1A18;
  --ink-2:#132420;
  --sand:#F6F4EF;
  --card:#FFFFFF;
  --sub:#EDEFEA;
  --text:#0F1A18;
  --muted:#5A6663;
  --line:#DCE3DF;
  --danger:#E5484D;
  --grad-brand:linear-gradient(96deg,#FF5A2E 0%,#FF8A2E 55%,#FFC845 100%);
  --grad-ink:linear-gradient(180deg,#0F1A18 0%,#132420 100%);
  --grad-accent:linear-gradient(90deg,#B6E63A 0%,#8FD41F 100%);
  --sh1:0 2px 8px rgba(15,26,24,.05);
  --sh2:0 10px 30px rgba(15,26,24,.08);
  --sh3:0 24px 60px rgba(15,26,24,.12);
  --r-s:8px;
  --r-m:12px;
  --r-l:16px;
  --r-xl:24px;
  --r-2xl:32px;
  --r-pill:999px;
  --t:240ms cubic-bezier(.2,.7,.3,1);
  --font-cn:"HarmonyOS Sans SC","MiSans","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--sand);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--ink);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--brand);}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:3px solid rgba(255,90,46,.35);outline-offset:2px;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:-.01em;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px;}
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:24px;height:76px;}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:var(--ink);white-space:nowrap;}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:36px;height:36px;border-radius:12px;
  background:var(--grad-brand);color:#fff;
  display:grid;place-items:center;font-size:17px;font-weight:800;
  box-shadow:var(--sh1);
}
.nav-search{
  flex:1 1 320px;max-width:520px;min-width:200px;
  display:flex;align-items:center;gap:10px;
  height:48px;padding:0 6px 0 16px;
  background:#fff;border:1.5px solid var(--line);border-radius:var(--r-pill);
  transition:border-color var(--t),box-shadow var(--t);
}
.nav-search:focus-within{
  border-color:var(--brand-light);
  box-shadow:0 0 0 4px rgba(255,90,46,.12),var(--sh2);
}
.nav-search i{color:rgba(15,26,24,.6);font-size:15px;}
.nav-search input{
  flex:1;min-width:0;height:100%;border:0;background:transparent;outline:none;font-size:15px;
}
.nav-search input::placeholder{color:rgba(90,102,99,.8);}
.nav-search button{
  height:40px;padding:0 20px;border:0;border-radius:var(--r-pill);
  background:var(--grad-brand);color:#fff;font-size:14px;font-weight:700;
  cursor:pointer;transition:transform var(--t),filter var(--t),box-shadow var(--t);
}
.nav-search button:hover{transform:translateY(-1px);filter:brightness(1.04);box-shadow:var(--sh2);}
.main-nav{display:flex;align-items:center;gap:24px;}
.main-nav a{
  position:relative;font-size:15px;font-weight:600;color:var(--muted);padding:6px 0;white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--grad-brand);transform:scaleX(0);transform-origin:left;transition:transform var(--t);
}
.main-nav a:hover{color:var(--brand);}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.active{color:var(--brand);}
.main-nav a.active::after{transform:scaleX(1);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-pill);border:0;
  font-size:15px;font-weight:700;cursor:pointer;white-space:nowrap;
  transition:transform var(--t),box-shadow var(--t),filter var(--t),background var(--t),color var(--t),border-color var(--t);
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:var(--sh1);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh2);filter:brightness(1.04);}
.btn-primary:active{transform:translateY(0);filter:brightness(.96);}
.btn-secondary{background:#fff;border:1.5px solid var(--ink);color:var(--ink);}
.btn-secondary:hover{background:var(--ink);color:#fff;}
.btn-ghost{background:transparent;border:1px solid rgba(255,255,255,.4);color:#fff;}
.btn-ghost:hover{background:#fff;color:var(--ink);}
.nav-cta{height:44px;padding:0 24px;font-size:15px;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;
  align-items:center;justify-content:center;font-size:17px;color:var(--ink);cursor:pointer;
}
.badge{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:var(--r-pill);
  font-size:13px;font-weight:700;line-height:1;white-space:nowrap;
}
.badge-brand{background:var(--grad-brand);color:#fff;}
.badge-lime{background:var(--lime);color:var(--ink);}
.badge-line{background:#fff;border:1px solid var(--line);color:var(--ink);}

/* ============ 文章头 ============ */
.article-hero{
  position:relative;
  padding:40px 0 36px;
  background:
    radial-gradient(680px 320px at 88% -10%,rgba(255,90,46,.14),transparent 70%),
    radial-gradient(520px 260px at 6% 0%,rgba(182,230,58,.16),transparent 72%),
    var(--sand);
  border-bottom:1px solid var(--line);
}
.crumb{
  display:inline-flex;align-items:center;flex-wrap:wrap;gap:8px;
  min-height:40px;padding:0 18px;margin-bottom:22px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  font-size:14px;color:var(--muted);box-shadow:var(--sh1);
}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:rgba(90,102,99,.55);}
.crumb .current{color:var(--ink);font-weight:600;max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-head .badge{margin-bottom:16px;}
.article-head h1{
  font-size:44px;line-height:1.3;font-weight:800;
  max-width:900px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.meta-row{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px;
  margin-top:20px;padding-bottom:22px;
  font-size:13px;color:var(--muted);
  border-bottom:1px solid var(--line);
}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:rgba(90,102,99,.5);}
.meta-row .tagline{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--ink);}

/* ============ 正文布局 ============ */
.article-body{padding:56px 0 24px;}
.article-layout{
  display:grid;grid-template-columns:minmax(0,760px) 280px;
  gap:64px;justify-content:center;align-items:start;
}
.article-content{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-2xl);
  padding:44px 48px;box-shadow:var(--sh1);
}
.article-content p{font-size:17px;line-height:1.9;margin-bottom:1.4em;color:#22302C;}
.article-content h2{
  position:relative;padding-left:18px;margin:48px 0 16px;
  font-size:24px;font-weight:700;color:var(--ink);
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:.28em;width:6px;height:22px;border-radius:3px;
  background:var(--grad-brand);
}
.article-content h3{font-size:19px;font-weight:600;margin:32px 0 12px;color:var(--ink);}
.article-content h4{font-size:17px;font-weight:600;margin:24px 0 10px;}
.article-content ul{margin:0 0 1.4em;padding:0;}
.article-content ul li{
  position:relative;padding-left:22px;margin-bottom:10px;font-size:17px;line-height:1.85;
}
.article-content ul li::before{
  content:"";position:absolute;left:0;top:.7em;width:6px;height:6px;border-radius:2px;background:var(--brand);
}
.article-content ol{counter-reset:li;margin:0 0 1.4em;}
.article-content ol li{
  position:relative;padding-left:36px;margin-bottom:12px;counter-increment:li;font-size:17px;
}
.article-content ol li::before{
  content:counter(li);
  position:absolute;left:0;top:.2em;width:24px;height:24px;border-radius:50%;
  background:var(--grad-brand);color:#fff;font-size:13px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.article-content blockquote{
  margin:28px 0;padding:20px 24px;background:#F1F4EE;
  border-left:4px solid var(--lime);border-radius:12px;
  font-size:16px;line-height:1.8;color:#33403B;
}
.article-content blockquote p{margin:0;font-size:16px;}
.article-content a{color:var(--brand);font-weight:600;}
.article-content a:hover{text-decoration:underline;}
.article-content strong{color:var(--ink);font-weight:700;}
.article-content table{
  width:100%;border-collapse:collapse;margin:28px 0;font-size:15px;
  border:1px solid var(--line);border-radius:16px;overflow:hidden;
}
.article-content table th{
  background:var(--ink);color:#fff;font-weight:600;text-align:left;padding:14px 16px;
}
.article-content table td{padding:13px 16px;border-top:1px solid var(--line);}
.article-content table tr:nth-child(even) td{background:#FAFBF9;}
.article-content img{border-radius:16px;margin:24px 0;width:100%;}
.article-content figure{margin:24px 0;}
.article-content figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:12px;}
.article-content hr{border:0;border-top:1px solid var(--line);margin:36px 0;}

.tag-block{margin-top:44px;padding-top:28px;border-top:1px solid var(--line);}
.tag-block h4{font-size:15px;font-weight:600;color:var(--muted);margin-bottom:14px;}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;}
.tag-list a{
  display:inline-flex;align-items:center;height:32px;padding:0 16px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);font-size:13px;font-weight:600;color:var(--muted);
  transition:all var(--t);
}
.tag-list a:hover{background:var(--grad-brand);border-color:transparent;color:#fff;}
.article-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px;}

.empty-state{
  min-height:160px;border:1px dashed var(--line);border-radius:var(--r-xl);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  padding:36px 20px;text-align:center;background:#FAFBF9;
}
.empty-state i{font-size:32px;color:rgba(15,26,24,.4);}
.empty-state p{font-size:15px;color:var(--muted);margin:0;}

/* ============ 侧栏 ============ */
.article-side{position:sticky;top:100px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  padding:24px;box-shadow:var(--sh1);
}
.side-card h4{font-size:16px;font-weight:700;margin-bottom:16px;color:var(--ink);}
.side-card ul li + li{margin-top:4px;}
.side-card ul a{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  min-height:44px;padding:0 12px;border-radius:12px;font-size:15px;font-weight:600;color:var(--muted);
  transition:all var(--t);
}
.side-card ul a:hover{background:var(--sub);color:var(--brand);}
.side-card ul a i{font-size:12px;opacity:.6;}
.side-card.dark{background:var(--grad-ink);border-color:transparent;color:#fff;}
.side-card.dark h4{color:#fff;}
.side-card.dark p{font-size:14px;line-height:1.7;color:rgba(255,255,255,.65);margin-bottom:18px;}
.side-card.dark .btn{width:100%;height:44px;}

/* ============ 相关推荐 ============ */
.related{padding:72px 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;}
.section-head h2{
  position:relative;padding-left:18px;font-size:34px;font-weight:700;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.3em;width:8px;height:26px;border-radius:4px;background:var(--grad-brand);
}
.section-head .more-link{font-size:15px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px;}
.section-head .more-link i{transition:transform var(--t);}
.section-head .more-link:hover i{transform:translateX(4px);}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);overflow:hidden;
  box-shadow:var(--sh1);transition:transform var(--t),box-shadow var(--t);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh3);}
.post-card .thumb{position:relative;overflow:hidden;aspect-ratio:16/9;background:var(--sub);}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 400ms cubic-bezier(.2,.7,.3,1);}
.post-card:hover .thumb img{transform:scale(1.04);}
.post-card .thumb .badge{position:absolute;left:14px;top:14px;}
.post-card .card-body{padding:24px;display:flex;flex-direction:column;flex:1;gap:12px;}
.post-card h3{font-size:19px;font-weight:600;line-height:1.4;}
.post-card h3 a{color:var(--ink);}
.post-card h3 a:hover{color:var(--brand);}
.post-card p{font-size:14px;line-height:1.7;color:var(--muted);margin:0;}
.card-meta{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);}
.card-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(90,102,99,.5);}

/* ============ 转化区 ============ */
.cta-band{padding:72px 0 88px;}
.cta-box{
  background:var(--grad-ink);border-radius:var(--r-2xl);padding:56px 48px;
  display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;
  box-shadow:var(--sh3);position:relative;overflow:hidden;
}
.cta-box::after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,90,46,.35),transparent 68%);
}
.cta-box h2{font-size:32px;color:#fff;margin-bottom:14px;}
.cta-box p{font-size:16px;line-height:1.8;color:rgba(255,255,255,.7);margin:0;}
.cta-points{display:flex;flex-wrap:wrap;gap:18px;margin-top:22px;}
.cta-points span{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.8);}
.cta-points i{color:var(--lime);}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:2;}

/* ============ 返回顶部 ============ */
.back-top{
  position:fixed;right:32px;bottom:32px;width:56px;height:56px;border-radius:50%;
  border:0;background:var(--grad-brand);color:#fff;font-size:18px;cursor:pointer;
  display:grid;place-items:center;box-shadow:var(--sh2);
  opacity:0;pointer-events:none;transform:translateY(12px);
  transition:opacity var(--t),transform var(--t);z-index:1040;
}
.back-top.show{opacity:1;pointer-events:auto;transform:translateY(0);}
.back-top:hover{filter:brightness(1.05);}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);border-top:1px solid rgba(255,255,255,.08);padding:64px 0 0;color:rgba(255,255,255,.72);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#fff;margin-bottom:16px;}
.footer-intro{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);margin-bottom:20px;}
.socials{display:flex;gap:12px;}
.socials a{
  width:40px;height:40px;border-radius:12px;border:1px solid rgba(255,255,255,.2);
  display:grid;place-items:center;color:rgba(255,255,255,.75);transition:all var(--t);
}
.socials a:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}
.site-footer h4{font-size:16px;font-weight:700;color:#fff;margin-bottom:18px;}
.site-footer ul li + li{margin-top:6px;}
.site-footer ul a{display:inline-block;min-height:32px;line-height:32px;font-size:15px;color:rgba(255,255,255,.72);}
.site-footer ul a:hover{color:var(--brand);}
.site-footer p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.66);margin-bottom:8px;}
.site-footer p b{color:#fff;font-weight:600;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0;border-top:1px solid rgba(255,255,255,.08);font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,820px);gap:0;justify-content:center;}
  .article-side{display:none;}
  .article-head h1{font-size:38px;}
  .container{max-width:1140px;}
}
@media (max-width:991px){
  .container{padding:0 24px;}
  .header-inner{height:auto;padding:14px 0;flex-wrap:wrap;row-gap:12px;}
  .nav-search{order:3;flex:1 1 100%;max-width:none;}
  .nav-toggle{display:flex;margin-left:auto;}
  .main-nav{
    position:fixed;top:0;right:0;width:290px;height:100vh;
    background:#fff;flex-direction:column;align-items:stretch;gap:0;
    padding:88px 20px 24px;box-shadow:var(--sh3);
    transform:translateX(102%);transition:transform var(--t);z-index:1050;overflow-y:auto;
  }
  .main-nav.open{transform:translateX(0);}
  .main-nav a{min-height:56px;display:flex;align-items:center;justify-content:space-between;font-size:16px;color:var(--ink);border-bottom:1px solid var(--line);}
  .main-nav a::after{display:none;}
  .main-nav a::before{content:"\f054";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;color:var(--muted);order:2;}
  .nav-cta{display:none;}
  .article-content{padding:32px 28px;}
  .cta-box{grid-template-columns:1fr;padding:40px 32px;}
  .cta-box h2{font-size:26px;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section-head h2{font-size:28px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 20px;}
  .article-hero{padding:28px 0 26px;}
  .article-head h1{font-size:30px;line-height:1.35;-webkit-line-clamp:3;}
  .article-content{padding:24px 20px;border-radius:var(--r-xl);}
  .article-content p,.article-content ul li{font-size:16px;line-height:1.8;}
  .article-content h2{font-size:21px;margin-top:36px;}
  .article-content figure{margin:20px 0;}
  .article-actions .btn{width:100%;}
  .crumb{width:100%;border-radius:16px;padding:8px 16px;}
  .crumb .current{max-width:180px;}
  .related{padding:48px 0 0;}
  .card-grid{grid-template-columns:1fr;}
  .cta-band{padding:48px 0 64px;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{justify-content:flex-start;}
  .back-top{right:20px;bottom:20px;width:48px;height:48px;}
}

/* roulang page: category1 */
:root{
  --brand:#FF5A2E;
  --brand-dark:#E8481C;
  --brand-light:#FF9A6B;
  --accent:#B6E63A;
  --accent-dark:#8FD41F;
  --ink:#0F1A18;
  --ink-2:#132420;
  --bg:#F6F4EF;
  --card:#FFFFFF;
  --sub-bg:#EDEFEA;
  --text:#0F1A18;
  --text-2:#5A6663;
  --line:#DCE3DF;
  --danger:#E5484D;
  --grad-brand:linear-gradient(96deg,#FF5A2E 0%,#FF8A2E 55%,#FFC845 100%);
  --grad-ink:linear-gradient(180deg,#0F1A18 0%,#132420 100%);
  --grad-accent:linear-gradient(90deg,#B6E63A 0%,#8FD41F 100%);
  --sh1:0 2px 8px rgba(15,26,24,.05);
  --sh2:0 10px 30px rgba(15,26,24,.08);
  --sh3:0 24px 60px rgba(15,26,24,.12);
  --r-s:8px; --r-m:12px; --r-l:16px; --r-xl:24px; --r-2xl:32px; --r-pill:999px;
  --t:240ms cubic-bezier(.2,.7,.3,1);
  --font-cn:"HarmonyOS Sans SC","MiSans","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;padding:0;
  font-family:var(--font-cn);
  font-size:17px;line-height:1.85;
  color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
ul,ol{list-style:none;margin:0;padding:0;}
a{color:inherit;text-decoration:none;transition:color var(--t),border-color var(--t),background var(--t);}
a:hover{color:var(--brand);}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text);}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;}
:focus-visible{outline:3px solid rgba(255,154,107,.55);outline-offset:2px;border-radius:var(--r-s);}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px;}

/* ---------- 按钮 ---------- */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border:0;border-radius:var(--r-pill);
  background:var(--grad-brand);color:#fff;font-size:16px;font-weight:700;
  box-shadow:var(--sh1);transition:transform var(--t),box-shadow var(--t),filter var(--t);
}
.btn-main:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh2);filter:brightness(1.04);}
.btn-main:active{transform:translateY(0);filter:brightness(.96);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  background:#fff;border:1.5px solid var(--ink);color:var(--ink);
  font-size:16px;font-weight:700;transition:all var(--t);
}
.btn-ghost:hover{background:var(--ink);color:#fff;}
.btn-link-arrow{
  display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:700;color:var(--brand);
}
.btn-link-arrow i{transition:transform var(--t);}
.btn-link-arrow:hover i{transform:translateX(4px);}

/* ---------- 徽章 / 标签 ---------- */
.badge-pill{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;
  border-radius:var(--r-pill);font-size:13px;font-weight:700;line-height:1;white-space:nowrap;
}
.badge-grad{background:var(--grad-brand);color:#fff;}
.badge-lime{background:var(--accent);color:var(--ink);}
.badge-line{background:#fff;border:1px solid var(--line);color:var(--text);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:22px;height:76px;}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;letter-spacing:-.01em;white-space:nowrap;color:var(--ink);}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:36px;height:36px;border-radius:12px;background:var(--grad-brand);
  color:#fff;display:grid;place-items:center;font-size:18px;font-weight:800;flex:0 0 auto;
}
.nav-search{
  position:relative;display:flex;align-items:center;
  flex:1 1 auto;max-width:460px;height:48px;
  background:#fff;border:1.5px solid var(--line);border-radius:var(--r-pill);
  padding:0 6px 0 40px;transition:border-color var(--t),box-shadow var(--t);
}
.nav-search i{position:absolute;left:16px;font-size:16px;color:rgba(15,26,24,.45);}
.nav-search input{
  flex:1;border:0;background:transparent;outline:none;font-size:15px;color:var(--text);height:100%;
}
.nav-search input::placeholder{color:rgba(15,26,24,.42);}
.nav-search button{
  height:36px;padding:0 18px;border:0;border-radius:var(--r-pill);
  background:var(--grad-brand);color:#fff;font-size:14px;font-weight:700;
}
.nav-search:focus-within{border-color:transparent;box-shadow:0 0 0 2px var(--brand-light),0 0 0 6px rgba(255,90,46,.10),var(--sh2);}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:auto;}
.main-nav a{
  position:relative;font-size:15px;font-weight:600;padding:6px 0;color:var(--text);
}
.main-nav a::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:2px;
  background:var(--grad-brand);border-radius:2px;transition:width var(--t);
}
.main-nav a:hover{color:var(--brand);}
.main-nav a:hover::after,.main-nav a.active::after{width:20px;}
.main-nav a.active{color:var(--brand);}
.header-cta{height:44px;padding:0 22px;font-size:15px;flex:0 0 auto;}
.nav-toggle{
  display:none;width:46px;height:46px;border-radius:var(--r-m);
  border:1.5px solid var(--line);background:#fff;color:var(--ink);font-size:18px;
}
.mobile-drawer{
  display:none;border-top:1px solid var(--line);background:#fff;
  padding:16px 20px 22px;
}
.mobile-drawer.open{display:block;}
.mobile-drawer .drawer-search{
  display:flex;align-items:center;height:48px;background:var(--sub-bg);
  border-radius:var(--r-pill);padding:0 6px 0 40px;position:relative;margin-bottom:14px;
}
.mobile-drawer .drawer-search i{position:absolute;left:16px;color:rgba(15,26,24,.45);}
.mobile-drawer .drawer-search input{border:0;background:transparent;outline:none;flex:1;height:100%;font-size:15px;}
.mobile-drawer a.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  height:56px;font-size:16px;font-weight:600;border-bottom:1px solid var(--line);
}
.mobile-drawer a.drawer-link.active{color:var(--brand);}
.mobile-drawer a.drawer-link i{font-size:13px;color:var(--text-2);}

/* ---------- 面包屑 ---------- */
.crumb-wrap{padding:24px 0 0;}
.crumb{
  display:inline-flex;align-items:center;gap:10px;flex-wrap:wrap;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  min-height:40px;padding:6px 18px;font-size:14px;color:var(--text-2);box-shadow:var(--sh1);
}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:var(--line);}
.crumb .current{color:var(--ink);font-weight:600;}

/* ---------- 页头横幅 ---------- */
.page-hero{padding:20px 0 0;}
.hero-banner{
  position:relative;border-radius:var(--r-2xl);overflow:hidden;
  min-height:312px;padding:60px 48px 48px;display:flex;flex-direction:column;justify-content:flex-end;
  background-image:linear-gradient(96deg,rgba(15,26,24,.94) 0%,rgba(15,26,24,.76) 52%,rgba(15,26,24,.46) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  box-shadow:var(--sh3);
}
.hero-banner::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:6px;background:var(--grad-brand);
}
.hero-banner .hero-tag{
  display:inline-flex;align-items:center;gap:8px;align-self:flex-start;
  height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(182,230,58,.16);border:1px solid rgba(182,230,58,.42);
  color:var(--accent);font-size:13px;font-weight:700;
}
.hero-banner h1{
  color:#fff;font-size:44px;line-height:1.2;font-weight:800;
  margin:16px 0 14px;max-width:820px;
}
.hero-banner .hero-lead{
  color:rgba(255,255,255,.82);font-size:17px;line-height:1.8;
  max-width:660px;margin:0 0 22px;
}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;}
.hero-badges span{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;
  border-radius:var(--r-pill);background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.20);color:rgba(255,255,255,.9);
  font-size:13px;font-weight:600;backdrop-filter:blur(4px);
}
.hero-badges span i{color:var(--accent);font-size:12px;}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-alt{background:var(--sub-bg);}
.sec-head{max-width:760px;margin-bottom:44px;}
.sec-head h2{
  position:relative;font-size:34px;line-height:1.25;font-weight:700;
  padding-left:0;margin-bottom:16px;
}
.sec-head h2::before{
  content:"";display:block;width:56px;height:6px;border-radius:999px;
  background:var(--grad-brand);margin-bottom:18px;
}
.sec-head p{color:var(--text-2);font-size:16px;line-height:1.85;margin:0;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-head.center h2::before{margin-left:auto;margin-right:auto;}

/* ---------- 交错图文 ---------- */
.zigzag-row{
  display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:center;
  margin-bottom:72px;
}
.zigzag-row:last-child{margin-bottom:0;}
.zigzag-row.reverse{grid-template-columns:7fr 5fr;}
.zigzag-row.reverse .zigzag-media{order:2;}
.zigzag-media{
  border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh2);
  border:1px solid var(--line);background:#fff;
}
.zigzag-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform 400ms cubic-bezier(.2,.7,.3,1);}
.zigzag-media:hover img{transform:scale(1.04);}
.zigzag-body h3{font-size:22px;line-height:1.35;font-weight:600;margin-bottom:16px;}
.zigzag-body p{color:var(--text-2);font-size:16px;line-height:1.85;}
.zigzag-body .mini-tags{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 20px;}

/* ---------- 数据维度条 ---------- */
.dim-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  margin-top:8px;
}
.dim-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  padding:22px 24px;box-shadow:var(--sh1);transition:transform var(--t),box-shadow var(--t);
}
.dim-item:hover{transform:translateY(-4px);box-shadow:var(--sh3);}
.dim-item .dim-num{
  font-size:34px;font-weight:800;letter-spacing:-.02em;line-height:1.1;
  font-variant-numeric:tabular-nums;color:var(--ink);
}
.dim-item .dim-num small{font-size:14px;font-weight:600;color:var(--text-2);margin-left:6px;}
.dim-item .dim-name{font-size:14px;color:var(--text-2);margin-top:8px;}
.dim-item .dim-flag{display:inline-flex;margin-top:12px;}

/* ---------- 查询入口卡 ---------- */
.query-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.q-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  padding:28px;box-shadow:var(--sh1);
  display:flex;flex-direction:column;gap:12px;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.q-card:hover{transform:translateY(-4px);box-shadow:var(--sh3);border-color:#EFE3DC;}
.q-card .q-icon{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:rgba(255,90,46,.10);color:var(--brand);font-size:17px;
}
.q-card h3{font-size:19px;line-height:1.4;font-weight:600;}
.q-card p{font-size:15px;line-height:1.8;color:var(--text-2);margin:0;}
.q-card .q-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:6px;}

/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.step{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  padding:30px 28px;box-shadow:var(--sh1);position:relative;
  transition:transform var(--t),box-shadow var(--t);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh3);}
.step .step-no{
  width:46px;height:46px;border-radius:14px;background:var(--grad-brand);color:#fff;
  display:grid;place-items:center;font-size:18px;font-weight:800;margin-bottom:18px;
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:19px;font-weight:600;margin-bottom:10px;}
.step p{font-size:15px;line-height:1.8;color:var(--text-2);margin:0;}

/* ---------- 深色提示带 ---------- */
.ink-band{
  background:var(--grad-ink);border-radius:var(--r-2xl);
  padding:44px 48px;color:#fff;display:grid;grid-template-columns:7fr 5fr;
  gap:32px;align-items:center;box-shadow:var(--sh3);
}
.ink-band h3{color:#fff;font-size:24px;font-weight:700;margin-bottom:12px;}
.ink-band p{color:rgba(255,255,255,.72);font-size:15px;line-height:1.8;margin:0;}
.ink-band ul{display:flex;flex-direction:column;gap:10px;}
.ink-band ul li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:rgba(255,255,255,.85);}
.ink-band ul li i{color:var(--accent);margin-top:6px;font-size:13px;}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:20px;
  box-shadow:var(--sh1);overflow:hidden;position:relative;transition:box-shadow var(--t);
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:var(--grad-brand);opacity:0;transition:opacity var(--t);
}
.faq-item.open{box-shadow:var(--sh2);}
.faq-item.open::before{opacity:1;}
.faq-q{
  width:100%;background:transparent;border:0;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 26px;font-size:17px;font-weight:600;color:var(--ink);
}
.faq-q .faq-icon{
  flex:0 0 auto;width:24px;height:24px;display:grid;place-items:center;
  color:var(--brand);font-size:18px;transition:transform var(--t);
}
.faq-item.open .faq-icon{transform:rotate(180deg);}
.faq-a{
  display:none;padding:0 26px 22px;color:var(--text-2);font-size:16px;line-height:1.8;
}
.faq-item.open .faq-a{display:block;}

/* ---------- 转化表单 ---------- */
.cta-panel{
  background:var(--grad-ink);border-radius:var(--r-2xl);
  padding:56px 48px;display:grid;grid-template-columns:5fr 7fr;gap:48px;
  box-shadow:var(--sh3);
}
.cta-left h2{color:#fff;font-size:32px;line-height:1.3;font-weight:700;margin-bottom:16px;}
.cta-left p{color:rgba(255,255,255,.72);font-size:16px;line-height:1.85;margin-bottom:24px;}
.cta-left ul{display:flex;flex-direction:column;gap:14px;}
.cta-left ul li{display:flex;align-items:flex-start;gap:10px;color:rgba(255,255,255,.88);font-size:15px;}
.cta-left ul li i{color:var(--accent);margin-top:6px;font-size:13px;}
.form-card{
  background:#fff;border-radius:var(--r-xl);padding:32px;box-shadow:var(--sh2);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:15px;font-weight:600;color:var(--ink);}
.field .req{color:var(--brand);}
.field input,.field select,.field textarea{
  width:100%;min-height:52px;border:1px solid var(--line);border-radius:14px;
  padding:12px 16px;font-size:15px;color:var(--text);background:#fff;
  transition:border-color var(--t),box-shadow var(--t);
}
.field textarea{min-height:112px;resize:vertical;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:rgba(15,26,24,.38);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:transparent;
  box-shadow:0 0 0 2px var(--brand-light),0 0 0 6px rgba(255,90,46,.10);
}
.field.error input,.field.error textarea{border-color:var(--danger);}
.field .err-text{display:none;font-size:14px;color:var(--danger);}
.field.error .err-text{display:block;}
.btn-block{width:100%;height:52px;}
.privacy{font-size:13px;color:var(--text-2);margin:12px 0 0;text-align:center;}
.form-notice{
  display:none;margin-top:16px;padding:14px 18px;border-radius:var(--r-m);
  background:rgba(182,230,58,.20);border:1px solid rgba(143,212,31,.5);
  color:#2F4206;font-size:15px;font-weight:600;
}
.form-notice.show{display:block;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#0F1A18;color:rgba(255,255,255,.72);
  border-top:1px solid rgba(255,255,255,.08);
  padding:72px 0 0;margin-top:96px;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#fff;margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--grad-brand);color:#fff;}
.footer-intro{font-size:15px;line-height:1.85;color:rgba(255,255,255,.65);margin-bottom:22px;}
.socials{display:flex;gap:12px;}
.socials a{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  border:1px solid rgba(255,255,255,.18);color:rgba(255,255,255,.72);font-size:15px;
  transition:all var(--t);
}
.socials a:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}
.footer-col h4{color:#fff;font-size:16px;font-weight:700;margin-bottom:18px;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col ul a{font-size:15px;color:rgba(255,255,255,.72);}
.footer-col ul a:hover{color:var(--brand);}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.65);margin-bottom:10px;}
.footer-col p b{color:rgba(255,255,255,.88);font-weight:600;}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.08);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:32px;bottom:32px;width:56px;height:56px;border-radius:50%;
  background:var(--grad-brand);color:#fff;border:0;display:grid;place-items:center;
  font-size:18px;box-shadow:var(--sh2);opacity:0;visibility:hidden;
  transition:opacity var(--t),visibility var(--t),transform var(--t);z-index:1040;
}
.to-top.show{opacity:1;visibility:visible;}
.to-top:hover{transform:translateY(-3px);}

/* ---------- 响应式 ---------- */
@media (max-width:1399px){
  .container{max-width:1140px;}
}
@media (max-width:1199px){
  .container{max-width:960px;}
  .header-inner{gap:16px;}
  .nav-search{max-width:340px;}
  .main-nav{gap:18px;}
  .main-nav a{font-size:14px;}
  .hero-banner h1{font-size:38px;}
  .zigzag-row,.zigzag-row.reverse{grid-template-columns:6fr 6fr;gap:40px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:991px){
  .container{max-width:720px;}
  .main-nav,.nav-search,.header-cta{display:none;}
  .nav-toggle{display:grid;place-items:center;margin-left:auto;}
  .header-inner{height:68px;}
  .section{padding:72px 0;}
  .hero-banner{padding:48px 32px 36px;min-height:280px;}
  .hero-banner h1{font-size:32px;}
  .sec-head h2{font-size:28px;}
  .query-grid{grid-template-columns:repeat(2,1fr);}
  .dim-strip{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:1fr;}
  .cta-panel{grid-template-columns:1fr;gap:32px;padding:40px 32px;}
  .cta-left h2{font-size:28px;}
  .ink-band{grid-template-columns:1fr;padding:36px 32px;}
}
@media (max-width:767px){
  body{font-size:16px;line-height:1.8;}
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .section-tight{padding:48px 0;}
  .page-hero{padding:16px 0 0;}
  .hero-banner{border-radius:24px;padding:36px 22px 30px;min-height:250px;}
  .hero-banner h1{font-size:27px;line-height:1.3;}
  .hero-banner .hero-lead{font-size:15px;}
  .crumb{font-size:13px;padding:6px 14px;}
  .zigzag-row,.zigzag-row.reverse{grid-template-columns:1fr;gap:24px;}
  .zigzag-row.reverse .zigzag-media{order:0;}
  .zigzag-body h3{font-size:20px;}
  .zigzag-body p{font-size:15px;}
  .query-grid{grid-template-columns:1fr;}
  .dim-strip{grid-template-columns:1fr 1fr;gap:14px;}
  .dim-item{padding:18px;}
  .dim-item .dim-num{font-size:26px;}
  .form-grid{grid-template-columns:1fr;}
  .form-card{padding:22px;}
  .cta-panel{padding:32px 20px;border-radius:24px;}
  .ink-band{padding:28px 20px;border-radius:24px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .site-footer{padding-top:56px;margin-top:64px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .to-top{right:18px;bottom:18px;width:48px;height:48px;font-size:16px;}
  .btn-main,.btn-ghost{width:100%;}
  .q-card{padding:22px;}
}

/* Bootstrap 默认外观覆盖 */
.navbar,.btn,.card,.badge,.accordion,.form-control,.input-group,.pagination,.breadcrumb,.list-group,.modal,.table{border-radius:var(--r-m);}
.btn:focus,.btn:focus-visible,.form-control:focus,select:focus{box-shadow:none;}

/* roulang page: category2 */
:root{
  --brand:#FF5A2E; --brand-dark:#E8481C; --brand-light:#FF9A6B;
  --lime:#B6E63A; --lime-dark:#8FD41F;
  --ink:#0F1A18; --ink-2:#132420;
  --bg:#F6F4EF; --card:#FFFFFF; --soft:#EDEFEA;
  --text:#0F1A18; --text-2:#5A6663; --line:#DCE3DF; --danger:#E5484D;
  --grad-brand:linear-gradient(96deg,#FF5A2E 0%,#FF8A2E 55%,#FFC845 100%);
  --grad-ink:linear-gradient(180deg,#0F1A18 0%,#132420 100%);
  --grad-accent:linear-gradient(90deg,#B6E63A 0%,#8FD41F 100%);
  --sh1:0 2px 8px rgba(15,26,24,.05);
  --sh2:0 10px 30px rgba(15,26,24,.08);
  --sh3:0 24px 60px rgba(15,26,24,.12);
  --r-sm:8px; --r-md:12px; --r-lg:16px; --r-xl:24px; --r-2xl:32px; --r-pill:999px;
  --font-cn:"HarmonyOS Sans SC","MiSans","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --t:240ms cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:var(--font-cn);font-size:17px;line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
ul,ol{list-style:none;margin:0;padding:0;}
a{color:var(--text);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--brand);}
p{margin:0 0 1.1em;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.28;letter-spacing:-.01em;}
h1{font-size:52px;font-weight:800;line-height:1.15;}
h2{font-size:34px;font-weight:700;}
h3{font-size:22px;font-weight:600;line-height:1.35;}
h4{font-size:17px;font-weight:600;line-height:1.5;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:3px solid rgba(255,90,46,.35);outline-offset:2px;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px;}
.section{padding:96px 0;}
.section.soft{background:var(--soft);}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head h2{position:relative;padding-left:72px;margin-bottom:16px;}
.section-head h2::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:56px;height:6px;border-radius:var(--r-pill);background:var(--grad-brand);
}
.section-head p{color:var(--text-2);font-size:16px;margin:0;}
.grad-text{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;}

/* 徽章 / 按钮 */
.badge-pill{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;
  border-radius:var(--r-pill);font-size:13px;font-weight:700;letter-spacing:.02em;
  background:var(--soft);color:var(--text-2);border:1px solid var(--line);
}
.badge-grad{background:var(--grad-brand);color:#fff;border:none;}
.badge-lime{background:var(--grad-accent);color:var(--ink);border:none;}
.badge-line{background:#fff;color:var(--text);border:1px solid var(--line);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-pill);border:1px solid transparent;
  font-size:16px;font-weight:600;cursor:pointer;transition:all var(--t);white-space:nowrap;
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:var(--sh1);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh2);filter:brightness(1.04);}
.btn-primary:active{transform:translateY(0);filter:brightness(.96);}
.btn-ghost{background:#fff;color:var(--text);border:1.5px solid var(--ink);}
.btn-ghost:hover{background:var(--ink);color:#fff;}
.btn-dark-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.4);}
.btn-dark-ghost:hover{background:#fff;color:var(--ink);}
.btn-lg{height:52px;}
.btn-block{width:100%;}
.text-link{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--brand);}
.text-link i{transition:transform var(--t);}
.text-link:hover i{transform:translateX(4px);}

/* 头部 */
.site-header{
  position:sticky;top:0;z-index:1030;background:rgba(246,244,239,.96);
  border-bottom:1px solid transparent;transition:background var(--t),box-shadow var(--t),border-color var(--t);
}
.site-header.scrolled{background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom-color:var(--line);box-shadow:var(--sh1);}
.header-inner{display:flex;align-items:center;gap:24px;height:76px;}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:var(--r-md);background:var(--grad-brand);
  color:#fff;font-weight:800;font-size:19px;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh1);
}
.logo-text{font-size:19px;font-weight:800;letter-spacing:-.02em;}
.nav-search{
  display:flex;align-items:center;gap:8px;flex:1 1 auto;max-width:520px;min-width:260px;
  height:48px;padding:0 6px 0 16px;background:#fff;border:1.5px solid var(--line);border-radius:var(--r-pill);
  transition:all var(--t);
}
.nav-search:focus-within{border-color:transparent;box-shadow:0 0 0 2px var(--brand-light),0 0 0 6px rgba(255,90,46,.14);}
.nav-search i{color:rgba(15,26,24,.5);font-size:15px;}
.nav-search input{
  flex:1 1 auto;border:none;background:transparent;outline:none;font-size:15px;color:var(--text);min-width:0;
}
.nav-search input::placeholder{color:rgba(15,26,24,.42);}
.nav-search button{
  height:36px;padding:0 18px;border:none;border-radius:var(--r-pill);
  background:var(--grad-brand);color:#fff;font-size:14px;font-weight:700;cursor:pointer;transition:filter var(--t);
}
.nav-search button:hover{filter:brightness(1.05);}
.main-nav{display:flex;align-items:center;gap:26px;flex:0 0 auto;}
.main-nav a{position:relative;font-size:15px;font-weight:600;color:var(--text);padding:4px 0;}
.main-nav a::after{
  content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;border-radius:2px;
  background:var(--grad-brand);transition:width var(--t);
}
.main-nav a:hover{color:var(--brand);}
.main-nav a:hover::after,.main-nav a.active::after{width:20px;}
.main-nav a.active{color:var(--brand);}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-md);border:1px solid var(--line);
  background:#fff;color:var(--ink);cursor:pointer;
}
.mobile-panel{display:none;border-top:1px solid var(--line);background:#fff;padding:16px 0 22px;}
.mobile-panel.open{display:block;}
.mobile-panel .nav-search{max-width:none;margin:0 0 14px;width:100%;}
.mobile-panel nav{display:flex;flex-direction:column;}
.mobile-panel nav a{
  display:flex;align-items:center;justify-content:space-between;height:56px;
  font-size:16px;font-weight:600;border-bottom:1px solid var(--line);
}
.mobile-panel nav a.active{color:var(--brand);}

/* 页头横幅 */
.page-banner{padding:32px 0 0;}
.banner-card{
  position:relative;overflow:hidden;border-radius:var(--r-2xl);min-height:320px;
  background:var(--grad-ink);box-shadow:var(--sh3);
}
.banner-media{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.45;
}
.banner-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(9,17,16,.94) 0%,rgba(9,17,16,.78) 48%,rgba(9,17,16,.42) 100%);
}
.banner-content{position:relative;z-index:2;padding:44px 48px 48px;color:#fff;max-width:840px;}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.66);margin-bottom:18px;flex-wrap:wrap;}
.crumbs a{color:rgba(255,255,255,.72);}
.crumbs a:hover{color:var(--brand-light);}
.crumbs span.sep{opacity:.5;}
.crumbs .current{color:#fff;}
.banner-content h1{color:#fff;margin:14px 0 14px;font-size:46px;max-width:700px;}
.banner-content .lead{color:rgba(255,255,255,.82);font-size:17px;max-width:620px;margin:0;}
.banner-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px;}

/* 指标小卡 */
.metric-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.metric-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);padding:24px 26px;
  box-shadow:var(--sh1);transition:all var(--t);
}
.metric-card:hover{box-shadow:var(--sh2);transform:translateY(-3px);}
.metric-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;}
.metric-num{font-size:36px;font-weight:800;letter-spacing:-.02em;font-variant-numeric:tabular-nums;line-height:1.1;}
.metric-num small{font-size:15px;font-weight:700;margin-left:4px;color:var(--text-2);}
.metric-divider{height:1px;border-top:1px dashed var(--line);margin:16px 0 12px;}
.metric-name{font-size:14px;font-weight:600;color:var(--text);margin:0 0 4px;}
.metric-note{font-size:13px;color:var(--text-2);margin:0;}
.trend{display:inline-flex;align-items:center;gap:4px;font-size:12px;font-weight:700;padding:4px 10px;border-radius:var(--r-pill);}
.trend-up{background:rgba(182,230,58,.24);color:#4d6b00;}
.trend-down{background:rgba(255,90,46,.14);color:var(--brand-dark);}

/* 条目网格 */
.entry-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.entry-card{
  display:flex;flex-direction:column;gap:14px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-xl);padding:28px;box-shadow:var(--sh1);transition:all var(--t);
}
.entry-card:hover{box-shadow:var(--sh3);transform:translateY(-4px);}
.entry-icon{
  width:40px;height:40px;border-radius:var(--r-md);background:rgba(255,90,46,.12);
  color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:17px;
}
.entry-card h3{font-size:20px;}
.entry-card p{margin:0;color:var(--text-2);font-size:15.5px;line-height:1.8;}
.entry-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:6px;}

/* 节奏流程 */
.flow-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.flow-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);padding:32px 28px;box-shadow:var(--sh1);}
.flow-card.dark{background:var(--grad-ink);border-color:transparent;color:#fff;}
.flow-card.dark p{color:rgba(255,255,255,.7);}
.flow-card.dark .flow-index{background:rgba(255,255,255,.1);color:var(--lime);}
.flow-index{
  display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:var(--r-md);
  background:rgba(255,90,46,.12);color:var(--brand-dark);font-weight:800;font-size:17px;margin-bottom:18px;
  font-variant-numeric:tabular-nums;
}
.flow-card h3{margin-bottom:10px;}
.flow-card p{color:var(--text-2);font-size:15.5px;margin:0;}

/* 图文块 */
.split{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center;}
.split.rev{grid-template-columns:7fr 5fr;}
.split-media{position:relative;border-radius:var(--r-2xl);overflow:hidden;box-shadow:var(--sh2);aspect-ratio:4/3;}
.split-media img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease;}
.split-media:hover img{transform:scale(1.04);}
.split-body h2{margin-bottom:18px;}
.split-body p{color:var(--text-2);}
.check-list{display:grid;gap:12px;margin:20px 0 24px;}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:16px;color:var(--text-2);}
.check-list li i{color:var(--lime-dark);margin-top:5px;}

/* FAQ */
.faq-list{display:grid;gap:12px;max-width:920px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;transition:all var(--t);}
.faq-item.open{box-shadow:var(--sh2);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 26px;background:transparent;border:none;text-align:left;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--text);
}
.faq-icon{
  flex:0 0 auto;width:30px;height:30px;border-radius:var(--r-pill);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--text-2);transition:all var(--t);
}
.faq-item.open .faq-icon{transform:rotate(180deg);background:var(--grad-brand);border-color:transparent;color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height 320ms ease;}
.faq-a p{margin:0;padding:0 26px 22px;color:var(--text-2);font-size:16px;}
.faq-item.open .faq-a{max-height:340px;}
.faq-item.open{border-left:4px solid var(--brand);}

/* CTA 表单 */
.cta-wrap{
  background:var(--grad-ink);border-radius:var(--r-2xl);padding:48px;color:#fff;
  display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start;box-shadow:var(--sh3);
}
.cta-copy h2{color:#fff;margin-bottom:16px;}
.cta-copy p{color:rgba(255,255,255,.72);}
.cta-points{display:grid;gap:12px;margin-top:24px;}
.cta-points li{display:flex;align-items:flex-start;gap:10px;color:rgba(255,255,255,.86);font-size:15.5px;}
.cta-points li i{color:var(--lime);margin-top:5px;}
.form-card{background:#fff;border-radius:var(--r-xl);padding:32px;box-shadow:var(--sh3);}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:15px;font-weight:600;color:var(--text);}
.field label .req{color:var(--brand);}
.field input,.field select,.field textarea{
  width:100%;height:52px;border-radius:14px;border:1px solid var(--line);background:#fff;
  padding:0 16px;color:var(--text);font-size:15.5px;outline:none;transition:all var(--t);
}
.field textarea{height:120px;padding:14px 16px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:transparent;box-shadow:0 0 0 2px var(--brand-light),0 0 0 6px rgba(255,90,46,.12);
}
.form-card .btn{margin-top:20px;}
.form-hint{font-size:13px;color:var(--text-2);margin:14px 0 0;}

/* 页脚 */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);margin-top:96px;border-top:1px solid rgba(255,255,255,.08);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 40px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:19px;font-weight:800;margin-bottom:16px;}
.footer-intro{font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.62);margin:0 0 20px;}
.socials{display:flex;gap:10px;}
.socials a{
  width:40px;height:40px;border-radius:50%;border:1px solid rgba(255,255,255,.22);
  display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.78);transition:all var(--t);
}
.socials a:hover{border-color:var(--brand);color:var(--brand);}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:18px;}
.footer-col ul{display:grid;gap:12px;}
.footer-col a{color:rgba(255,255,255,.72);font-size:15px;}
.footer-col a:hover{color:var(--brand);}
.footer-col p{font-size:14.5px;color:rgba(255,255,255,.62);margin:0 0 10px;}
.footer-col p b{color:#fff;font-weight:600;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 28px;border-top:1px solid rgba(255,255,255,.08);font-size:13px;color:rgba(255,255,255,.5);
}

/* 返回顶部 */
.to-top{
  position:fixed;right:32px;bottom:32px;width:56px;height:56px;border-radius:50%;
  background:var(--grad-brand);color:#fff;border:none;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh2);opacity:0;pointer-events:none;transition:all var(--t);z-index:1040;cursor:pointer;
}
.to-top.show{opacity:1;pointer-events:auto;}
.to-top:hover{transform:translateY(-3px);}

@media (max-width:1399px){
  .main-nav{gap:20px;}
}
@media (max-width:1199px){
  .nav-search{display:none;}
  .mobile-panel .nav-search{display:flex;}
  .header-inner{gap:16px;}
}
@media (max-width:991px){
  .main-nav{display:none;}
  .nav-toggle{display:flex;align-items:center;justify-content:center;}
  .header-actions .btn{display:none;}
  .section{padding:72px 0;}
  h1{font-size:36px;}
  .banner-content h1{font-size:34px;}
  .split,.split.rev,.cta-wrap{grid-template-columns:1fr;gap:32px;}
  .flow-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-wrap{padding:32px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  h2{font-size:24px;}
  .section-head{padding-left:0;}
  .section-head h2{padding-left:0;padding-top:18px;}
  .section-head h2::before{top:0;transform:none;width:44px;height:5px;}
  .metric-grid,.entry-grid,.flow-grid,.form-grid{grid-template-columns:1fr;}
  .banner-content{padding:28px 22px 32px;}
  .banner-content h1{font-size:28px;}
  .banner-card{min-height:280px;}
  .form-card{padding:22px;}
  .footer-grid{grid-template-columns:1fr;padding:44px 0 28px;}
  .site-footer{margin-top:56px;}
  .to-top{right:18px;bottom:18px;width:48px;height:48px;}
}

/* roulang page: category3 */
:root{
  --brand:#FF5A2E;
  --brand-d:#E8481C;
  --brand-l:#FF9A6B;
  --lime:#B6E63A;
  --lime-d:#8FD41F;
  --ink:#0F1A18;
  --ink-2:#132420;
  --bg:#F6F4EF;
  --card:#FFFFFF;
  --sub:#EDEFEA;
  --text:#0F1A18;
  --muted:#5A6663;
  --line:#DCE3DF;
  --danger:#E5484D;
  --grad-brand:linear-gradient(96deg,#FF5A2E 0%,#FF8A2E 55%,#FFC845 100%);
  --grad-ink:linear-gradient(180deg,#0F1A18 0%,#132420 100%);
  --grad-accent:linear-gradient(90deg,#B6E63A 0%,#8FD41F 100%);
  --font-cn:"HarmonyOS Sans SC","MiSans","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:24px;
  --r-2xl:32px;
  --r-pill:999px;
  --sh1:0 2px 8px rgba(15,26,24,.05);
  --sh2:0 10px 30px rgba(15,26,24,.08);
  --sh3:0 24px 60px rgba(15,26,24,.12);
  --t:240ms cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
ul,ol{margin:0;padding:0;list-style:none}
a{color:var(--text);text-decoration:none;transition:color var(--t),border-color var(--t),background var(--t),box-shadow var(--t),transform var(--t)}
a:hover{color:var(--brand)}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text);letter-spacing:-.01em}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
:focus-visible{outline:3px solid rgba(255,90,46,.35);outline-offset:2px}
.container{max-width:1240px;margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.section-head h2{font-size:34px;line-height:1.25;position:relative;padding-left:68px}
.section-head h2::before{content:"";position:absolute;left:0;top:14px;width:56px;height:6px;border-radius:var(--r-pill);background:var(--grad-brand)}
.section-head .head-note{font-size:14px;color:var(--muted);max-width:520px}
.sub-lead{color:var(--muted);font-size:16px;max-width:760px}
.section--ink{background:var(--grad-ink);color:#fff}
.section--ink h2,.section--ink h3{color:#fff}
.section--ink .head-note,.section--ink .sub-lead{color:rgba(255,255,255,.65)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:48px;padding:0 28px;border-radius:var(--r-pill);
  font-size:16px;font-weight:600;border:1.5px solid transparent;cursor:pointer;
  transition:transform var(--t),box-shadow var(--t),filter var(--t),background var(--t),color var(--t),border-color var(--t);
  white-space:nowrap;
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:var(--sh1)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh2);filter:brightness(1.04)}
.btn-primary:active{transform:translateY(0);filter:brightness(.96)}
.btn-outline{background:#fff;border-color:var(--ink);color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.4);color:#fff}
.btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff}
.btn-block{width:100%}

/* ---------- badges ---------- */
.badge-pill{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;
  border-radius:var(--r-pill);font-size:13px;font-weight:700;line-height:1;
}
.badge-grad{background:var(--grad-brand);color:#fff}
.badge-lime{background:var(--lime);color:var(--ink)}
.badge-line{background:#fff;border:1px solid var(--line);color:var(--muted)}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(246,244,239,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:background var(--t),box-shadow var(--t);
}
.site-header.scrolled{background:rgba(255,255,255,.94);box-shadow:var(--sh1)}
.nav-wrap{display:flex;align-items:center;gap:24px;height:76px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;border-radius:12px;background:var(--grad-brand);
  color:#fff;font-weight:800;font-size:19px;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh1);
}
.brand-text{font-size:18px;font-weight:800;letter-spacing:-.02em;color:var(--ink)}
.brand:hover .brand-text{color:var(--brand)}
.nav-search{position:relative;flex:1 1 auto;max-width:520px;min-width:180px}
.nav-search input{
  width:100%;height:48px;border-radius:var(--r-pill);
  border:1.5px solid var(--line);background:#fff;
  padding:0 118px 0 46px;font-size:15px;color:var(--ink);
  transition:border-color var(--t),box-shadow var(--t),background var(--t);
}
.nav-search input::placeholder{color:rgba(90,102,99,.7)}
.nav-search input:focus{
  outline:none;background:#fff;
  border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(255,90,46,.14),var(--sh2);
}
.nav-search .search-icon{
  position:absolute;left:18px;top:50%;transform:translateY(-50%);
  color:rgba(15,26,24,.45);font-size:15px;pointer-events:none;
}
.nav-search .search-btn{
  position:absolute;right:5px;top:50%;transform:translateY(-50%);
  height:40px;padding:0 20px;border:0;border-radius:var(--r-pill);
  background:var(--grad-brand);color:#fff;font-size:14px;font-weight:700;cursor:pointer;
  transition:filter var(--t),transform var(--t);
}
.nav-search .search-btn:hover{filter:brightness(1.05)}
.nav-search .search-btn:active{transform:translateY(-50%) scale(.97)}
.main-nav{display:flex;align-items:center;gap:26px;flex:0 0 auto}
.main-nav a{
  position:relative;font-size:15px;font-weight:600;color:var(--ink);padding:6px 0;white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;border-radius:2px;
  background:var(--grad-brand);transition:width var(--t);
}
.main-nav a:hover{color:var(--brand)}
.main-nav a:hover::after{width:20px}
.main-nav a.active{color:var(--brand)}
.main-nav a.active::after{width:20px}
.nav-cta{min-height:44px;padding:0 22px;font-size:15px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-md);
  border:1px solid var(--line);background:#fff;color:var(--ink);cursor:pointer;
  align-items:center;justify-content:center;font-size:18px;
}
.nav-drawer{
  display:none;position:absolute;left:0;right:0;top:76px;
  background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--sh2);
  padding:16px 32px 24px;
}
.nav-drawer.open{display:block}
.nav-drawer .nav-search{max-width:none;margin-bottom:14px}
.nav-drawer a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:56px;font-size:16px;font-weight:600;border-bottom:1px solid var(--sub);
}
.nav-drawer a:last-child{border-bottom:0}
.nav-drawer a i{color:rgba(15,26,24,.35);font-size:14px}

/* ---------- page hero ---------- */
.page-hero{padding:32px 0 0}
.page-hero-inner{
  position:relative;border-radius:var(--r-2xl);overflow:hidden;
  min-height:300px;display:flex;align-items:flex-end;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  box-shadow:var(--sh2);
}
.page-hero-inner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(92deg,rgba(15,26,24,.92) 0%,rgba(15,26,24,.72) 52%,rgba(15,26,24,.42) 100%);
}
.page-hero-content{position:relative;z-index:2;padding:40px 44px 44px;width:100%}
.page-hero-content h1{
  color:#fff;font-size:52px;line-height:1.15;font-weight:800;margin-bottom:14px;
}
.page-hero-content h1 .thin{color:var(--brand-l);font-weight:800}
.page-hero-content p{color:rgba(255,255,255,.82);font-size:17px;max-width:660px;margin-bottom:22px}
.hero-chip-row{display:flex;flex-wrap:wrap;gap:10px}
.hero-chip{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;
  border-radius:var(--r-pill);font-size:13px;font-weight:700;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);color:#fff;
}
.hero-chip i{color:var(--lime);font-size:12px}

/* ---------- breadcrumb ---------- */
.crumb-bar{padding:20px 0 0}
.crumb{
  display:inline-flex;align-items:center;gap:10px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  min-height:40px;padding:0 20px;font-size:14px;color:var(--muted);box-shadow:var(--sh1);
}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:rgba(15,26,24,.3)}
.crumb .current{color:var(--ink);font-weight:600}

/* ---------- metric cards ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.metric-card{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-xl);padding:24px;backdrop-filter:blur(6px);
}
.metric-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}
.metric-num{font-size:36px;font-weight:800;line-height:1.1;color:#fff;letter-spacing:-.02em}
.metric-num small{font-size:14px;font-weight:600;color:rgba(255,255,255,.6);margin-left:6px}
.metric-name{font-size:14px;color:rgba(255,255,255,.7);margin-top:10px}
.metric-card hr{border:0;border-top:1px dashed rgba(255,255,255,.22);margin:16px 0 12px}
.metric-foot{font-size:12px;color:rgba(255,255,255,.5);letter-spacing:.02em}
.trend{display:inline-flex;align-items:center;gap:4px;font-size:12px;font-weight:700;height:24px;padding:0 10px;border-radius:var(--r-pill)}
.trend-up{background:rgba(182,230,58,.16);color:var(--lime)}
.trend-down{background:rgba(255,90,46,.18);color:var(--brand-l)}

/* ---------- timeline ---------- */
.tl{position:relative;padding:8px 0}
.tl::before{
  content:"";position:absolute;left:50%;top:0;bottom:0;width:4px;
  transform:translateX(-50%);background:var(--grad-brand);border-radius:var(--r-pill);opacity:.9;
}
.tl-item{display:grid;grid-template-columns:1fr 96px 1fr;align-items:center;margin-bottom:28px}
.tl-item:last-child{margin-bottom:0}
.tl-node{
  grid-column:2;justify-self:center;width:16px;height:16px;border-radius:50%;
  background:#fff;border:4px solid var(--brand);box-shadow:0 0 0 6px rgba(255,90,46,.12);z-index:2;
}
.tl-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  padding:26px;box-shadow:var(--sh1);transition:box-shadow var(--t),transform var(--t);
}
.tl-card:hover{box-shadow:var(--sh3);transform:translateY(-4px)}
.tl-item.left .tl-card{grid-column:1}
.tl-item.right .tl-card{grid-column:3}
.tl-time{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand);margin-bottom:10px}
.tl-time i{font-size:12px}
.tl-card h3{font-size:22px;line-height:1.35;margin-bottom:10px}
.tl-card p{font-size:15.5px;color:var(--muted);line-height:1.8;margin-bottom:10px}
.tl-card .tl-link{font-size:15px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:8px}
.tl-card .tl-link i{transition:transform var(--t)}
.tl-card .tl-link:hover i{transform:translateX(4px)}
.tl-figure{border-radius:var(--r-lg);overflow:hidden;margin:14px 0 6px;aspect-ratio:16/9}
.tl-figure img{width:100%;height:100%;object-fit:cover;transition:transform 400ms cubic-bezier(.2,.7,.3,1)}
.tl-card:hover .tl-figure img{transform:scale(1.04)}

/* ---------- coverage grid ---------- */
.cover-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cover-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  padding:26px;box-shadow:var(--sh1);display:flex;flex-direction:column;gap:12px;
  transition:box-shadow var(--t),transform var(--t);
}
.cover-card:hover{box-shadow:var(--sh3);transform:translateY(-4px)}
.card-icon{
  width:40px;height:40px;border-radius:var(--r-md);background:rgba(255,90,46,.1);
  color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:16px;
}
.cover-card h3{font-size:20px}
.cover-card p{font-size:15px;color:var(--muted);line-height:1.75}
.cover-card .card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px}
.cover-card .card-link{font-size:15px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:8px}
.cover-card .card-link i{transition:transform var(--t)}
.cover-card .card-link:hover i{transform:translateX(4px)}
.cover-card .thumb{border-radius:var(--r-lg);overflow:hidden;aspect-ratio:3/2;margin:-6px 0 4px}
.cover-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 400ms cubic-bezier(.2,.7,.3,1)}
.cover-card:hover .thumb img{transform:scale(1.04)}

/* ---------- rule bars ---------- */
.rule-wrap{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:start}
.rule-list li{
  display:flex;gap:14px;padding:16px 0;border-bottom:1px dashed var(--line);
}
.rule-list li:last-child{border-bottom:0}
.rule-list .dot{
  flex:0 0 auto;width:10px;height:10px;border-radius:2px;background:var(--brand);margin-top:11px;
}
.rule-list strong{display:block;font-size:17px;margin-bottom:4px}
.rule-list span{font-size:15px;color:var(--muted);line-height:1.8}
.bar-panel{background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);padding:28px;box-shadow:var(--sh1)}
.bar-row{display:grid;grid-template-columns:132px 1fr;align-items:center;gap:18px;margin-bottom:22px}
.bar-row:last-child{margin-bottom:0}
.bar-row .bar-name{font-size:15px;font-weight:600}
.bar-track{display:flex;gap:6px;height:12px}
.bar-fill{border-radius:var(--r-pill);box-shadow:var(--sh1)}
.bar-a{background:var(--grad-brand)}
.bar-b{background:var(--grad-accent)}
.bar-legend{display:flex;gap:22px;flex-wrap:wrap;margin-top:22px;padding-top:20px;border-top:1px solid var(--sub);font-size:13px;color:var(--muted)}
.bar-legend span{display:inline-flex;align-items:center;gap:8px}
.bar-legend i{width:12px;height:12px;border-radius:3px;display:inline-block}
.legend-a{background:var(--grad-brand)}
.legend-b{background:var(--grad-accent)}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;max-width:960px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;
  transition:box-shadow var(--t);
}
.faq-item.open{box-shadow:var(--sh2)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 24px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:17px;font-weight:600;color:var(--ink);position:relative;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:14%;bottom:14%;width:4px;border-radius:var(--r-pill);
  background:var(--grad-brand);opacity:0;transition:opacity var(--t);
}
.faq-item.open .faq-q::before{opacity:1}
.faq-icon{
  flex:0 0 auto;width:24px;height:24px;position:relative;color:var(--brand);transition:transform var(--t);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
}
.faq-icon::before{left:2px;right:2px;top:11px;height:2px}
.faq-icon::after{top:2px;bottom:2px;left:11px;width:2px;transition:opacity var(--t)}
.faq-item.open .faq-icon{transform:rotate(180deg)}
.faq-item.open .faq-icon::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height 320ms cubic-bezier(.2,.7,.3,1)}
.faq-a-inner{padding:0 24px 22px;font-size:16px;line-height:1.8;color:var(--muted)}

/* ---------- cta / form ---------- */
.cta-shell{
  background:var(--grad-ink);border-radius:var(--r-2xl);
  padding:56px 48px;display:grid;grid-template-columns:5fr 7fr;gap:44px;align-items:start;
  box-shadow:var(--sh3);
}
.cta-left h2{color:#fff;font-size:34px;line-height:1.25;margin-bottom:14px}
.cta-left p{color:rgba(255,255,255,.7);font-size:16px;margin-bottom:24px}
.cta-points li{display:flex;gap:12px;align-items:flex-start;color:rgba(255,255,255,.86);font-size:15.5px;margin-bottom:14px}
.cta-points i{color:var(--lime);margin-top:6px;font-size:14px}
.form-card{background:#fff;border-radius:var(--r-xl);padding:32px;box-shadow:var(--sh2)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field.col-2{grid-column:1/-1}
.field label{font-size:15px;font-weight:600}
.field label .req{color:var(--brand)}
.field input,.field select,.field textarea{
  width:100%;height:52px;border-radius:14px;border:1px solid var(--line);
  background:#fff;padding:0 16px;font-size:15px;color:var(--ink);
  transition:border-color var(--t),box-shadow var(--t);
}
.field textarea{height:auto;min-height:112px;padding:14px 16px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(255,90,46,.14);
}
.field .hint{font-size:13px;color:var(--muted)}
.form-note{font-size:13px;color:var(--muted);margin-top:14px;text-align:center}
.form-actions{grid-column:1/-1;display:flex;flex-direction:column;gap:12px}

/* ---------- footer ---------- */
.site-footer{background:#0F1A18;border-top:1px solid rgba(255,255,255,.08);padding:64px 0 0;color:rgba(255,255,255,.72)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:36px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand-mark{width:34px;height:34px;font-size:17px}
.footer-brand span:last-child{color:#fff;font-size:17px;font-weight:800}
.footer-intro{font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.62);max-width:320px}
.socials{display:flex;gap:12px;margin-top:20px}
.socials a{
  width:40px;height:40px;border-radius:var(--r-md);border:1px solid rgba(255,255,255,.18);
  display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.78);
}
.socials a:hover{color:var(--brand);border-color:var(--brand)}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:18px}
.footer-col ul li{margin-bottom:12px}
.footer-col a{font-size:15px;color:rgba(255,255,255,.72)}
.footer-col a:hover{color:var(--brand)}
.footer-col p{font-size:14.5px;color:rgba(255,255,255,.68);margin-bottom:10px}
.footer-col p b{color:#fff;font-weight:600}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- to top ---------- */
.to-top{
  position:fixed;right:32px;bottom:32px;width:56px;height:56px;border-radius:50%;
  border:0;background:var(--grad-brand);color:#fff;font-size:18px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;box-shadow:var(--sh2);
  opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity var(--t),transform var(--t),visibility var(--t);
  z-index:1020;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{filter:brightness(1.05)}

/* ---------- responsive ---------- */
@media (max-width:1399px){
  .container{max-width:1140px}
}
@media (max-width:1199px){
  .container{max-width:960px}
  .nav-wrap{gap:18px}
  .main-nav{gap:18px}
  .nav-search{max-width:340px}
}
@media (max-width:991px){
  .container{max-width:720px}
  .main-nav,.nav-cta{display:none}
  .nav-toggle{display:flex}
  .nav-wrap{justify-content:space-between}
  .nav-search{display:none}
  .nav-drawer .nav-search{display:block}
  .page-hero-content h1{font-size:38px}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .cover-grid{grid-template-columns:repeat(2,1fr)}
  .rule-wrap{grid-template-columns:1fr;gap:28px}
  .cta-shell{grid-template-columns:1fr;padding:40px 32px}
  .tl::before{left:8px;transform:none}
  .tl-item{grid-template-columns:48px 1fr;align-items:start}
  .tl-node{grid-column:1;justify-self:start;margin-left:0}
  .tl-item.left .tl-card,.tl-item.right .tl-card{grid-column:2}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 20px}
  .section{padding:56px 0}
  .section--tight{padding:48px 0}
  .section-head h2{font-size:24px;padding-left:0}
  .section-head h2::before{position:static;display:block;margin-bottom:14px}
  .page-hero{padding:20px 0 0}
  .page-hero-inner{min-height:0;border-radius:var(--r-xl)}
  .page-hero-content{padding:28px 22px 30px}
  .page-hero-content h1{font-size:30px;line-height:1.25}
  .page-hero-content p{font-size:15.5px}
  .metric-grid{grid-template-columns:1fr;gap:16px}
  .metric-num{font-size:30px}
  .cover-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .form-card{padding:22px}
  .cta-shell{padding:28px 22px;border-radius:var(--r-xl)}
  .cta-left h2{font-size:24px}
  .bar-row{grid-template-columns:1fr;gap:8px}
  .faq-q{font-size:16px;padding:18px 18px}
  .faq-a-inner{padding:0 18px 20px}
  .tl-card{padding:20px}
  .tl-card h3{font-size:19px}
  .btn{width:100%}
  .btn-inline-mobile{width:auto}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .to-top{right:20px;bottom:20px;width:48px;height:48px}
  .nav-drawer{padding:14px 20px 20px}
}

/* roulang page: category5 */
:root{
  --brand:#FF5A2E;
  --brand-d:#E8481C;
  --brand-l:#FF9A6B;
  --accent:#B6E63A;
  --accent-d:#8FD41F;
  --ink:#0F1A18;
  --ink-2:#132420;
  --paper:#F6F4EF;
  --card:#FFFFFF;
  --sub:#EDEFEA;
  --text:#0F1A18;
  --muted:#5A6663;
  --line:#DCE3DF;
  --danger:#E5484D;
  --grad-brand:linear-gradient(96deg,#FF5A2E 0%,#FF8A2E 55%,#FFC845 100%);
  --grad-ink:linear-gradient(180deg,#0F1A18 0%,#132420 100%);
  --grad-accent:linear-gradient(90deg,#B6E63A 0%,#8FD41F 100%);
  --sh1:0 2px 8px rgba(15,26,24,.05);
  --sh2:0 10px 30px rgba(15,26,24,.08);
  --sh3:0 24px 60px rgba(15,26,24,.12);
  --r-s:8px;
  --r-m:12px;
  --r-c:16px;
  --r-card:24px;
  --r-lg:32px;
  --r-pill:999px;
  --ease:240ms cubic-bezier(.2,.7,.3,1);
  --font-cn:"HarmonyOS Sans SC","MiSans","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none;margin:0;padding:0}
a{color:var(--ink);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--brand)}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;color:var(--ink)}
p{margin:0 0 1.2em}
p:last-child{margin-bottom:0}
button{font-family:inherit}
input,select,textarea{font-family:inherit;font-size:16px}
:focus-visible{outline:3px solid rgba(255,90,46,.35);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}
.num{font-variant-numeric:tabular-nums;letter-spacing:-.02em}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;gap:24px;min-height:76px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;border-radius:12px;background:var(--grad-brand);
  color:#fff;font-weight:800;font-size:19px;display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(255,90,46,.28);
}
.brand-name{font-size:17px;font-weight:800;letter-spacing:.2px;color:var(--ink);white-space:nowrap}
.nav-search{
  display:flex;align-items:center;gap:8px;
  flex:1 1 auto;max-width:520px;min-width:220px;height:48px;
  background:#fff;border:1.5px solid var(--line);border-radius:var(--r-pill);
  padding:0 6px 0 16px;transition:border-color var(--ease),box-shadow var(--ease);
}
.nav-search:focus-within{
  border-color:transparent;box-shadow:0 0 0 2px var(--brand),0 0 0 6px rgba(255,90,46,.14),var(--sh2);
}
.nav-search i{color:rgba(15,26,24,.55);font-size:15px}
.nav-search input{border:0;outline:0;flex:1;height:100%;background:transparent;font-size:15px;color:var(--ink)}
.nav-search input::placeholder{color:rgba(15,26,24,.42)}
.nav-search button{
  border:0;height:40px;padding:0 20px;border-radius:var(--r-pill);
  background:var(--grad-brand);color:#fff;font-size:14px;font-weight:700;
  cursor:pointer;transition:transform var(--ease),filter var(--ease);
}
.nav-search button:hover{filter:brightness(1.05)}
.main-nav{display:flex;align-items:center;gap:26px;flex:0 1 auto}
.main-nav a{
  font-size:15px;font-weight:600;color:var(--ink);position:relative;padding:6px 0;white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:2px;border-radius:2px;
  background:var(--grad-brand);transition:width var(--ease);
}
.main-nav a:hover{color:var(--brand)}
.main-nav a:hover::after{width:20px}
.main-nav a.active{color:var(--brand)}
.main-nav a.active::after{width:20px}
.btn-cta{
  flex:0 0 auto;height:44px;padding:0 24px;border-radius:var(--r-pill);
  background:var(--grad-brand);color:#fff;font-size:15px;font-weight:700;
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 8px 20px rgba(255,90,46,.24);
  transition:transform var(--ease),box-shadow var(--ease),filter var(--ease);
}
.btn-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,90,46,.3);filter:brightness(1.04)}
.nav-toggle{
  display:none;border:1.5px solid var(--line);background:#fff;border-radius:12px;
  width:44px;height:44px;color:var(--ink);font-size:18px;cursor:pointer;
}
.mobile-drawer{
  display:none;border-top:1px solid var(--line);background:#fff;padding:16px 0 22px;
}
.mobile-drawer.open{display:block}
.mobile-drawer .drawer-search{margin-bottom:12px}
.mobile-drawer a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:56px;padding:0 4px;font-size:16px;font-weight:600;
  border-bottom:1px solid var(--line);color:var(--ink);
}
.mobile-drawer a i{color:rgba(15,26,24,.35);font-size:14px}
.mobile-drawer a.active{color:var(--brand)}

/* ---------- 通用按钮 ---------- */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 28px;border-radius:var(--r-pill);border:0;
  background:var(--grad-brand);color:#fff;font-size:16px;font-weight:700;
  box-shadow:0 10px 24px rgba(255,90,46,.24);cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),filter var(--ease);
}
.btn-main:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh3);filter:brightness(1.04)}
.btn-main:active{transform:translateY(0);filter:brightness(.96)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 26px;border-radius:var(--r-pill);
  background:#fff;border:1.5px solid var(--ink);color:var(--ink);
  font-size:16px;font-weight:700;cursor:pointer;
  transition:background var(--ease),color var(--ease),transform var(--ease);
}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.btn-ghost-light{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 26px;border-radius:var(--r-pill);
  background:transparent;border:1px solid rgba(255,255,255,.4);color:#fff;
  font-size:16px;font-weight:700;transition:background var(--ease),color var(--ease);
}
.btn-ghost-light:hover{background:#fff;color:var(--ink)}

/* ---------- 徽章 / 标签 ---------- */
.badge-pill{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:var(--r-pill);
  font-size:13px;font-weight:700;letter-spacing:.2px;
}
.badge-grad{background:var(--grad-brand);color:#fff}
.badge-lime{background:var(--accent);color:var(--ink)}
.badge-out{border:1px solid var(--line);background:#fff;color:var(--ink)}

/* ---------- 面包屑 ---------- */
.crumb-wrap{padding:20px 0 0}
.crumb{
  display:inline-flex;align-items:center;gap:10px;flex-wrap:wrap;
  height:40px;padding:0 20px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);font-size:14px;color:var(--muted);
}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand)}
.crumb i{font-size:10px;color:rgba(15,26,24,.35)}
.crumb .cur{color:var(--ink);font-weight:600}

/* ---------- 页头横幅 ---------- */
.page-banner{
  margin-top:24px;
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  min-height:320px;display:flex;align-items:center;
  background-image:linear-gradient(96deg,rgba(15,26,24,.9) 0%,rgba(15,26,24,.72) 52%,rgba(19,36,32,.5) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  box-shadow:var(--sh2);
}
.page-banner::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:6px;background:var(--grad-brand);
}
.banner-inner{position:relative;z-index:2;padding:56px 0;max-width:760px}
.page-banner h1{
  color:#fff;font-size:52px;line-height:1.15;font-weight:800;letter-spacing:-.5px;
}
.page-banner .lead{
  color:rgba(255,255,255,.82);font-size:17px;line-height:1.8;margin:18px 0 0;max-width:620px;
}
.banner-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.banner-tags .badge-pill{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);color:#fff}
.banner-tags .badge-pill.lime{background:var(--accent);border-color:transparent;color:var(--ink)}

/* ---------- 板块 ---------- */
section{padding:96px 0}
.sec-head{max-width:720px;margin-bottom:44px}
.sec-head h2{
  font-size:34px;line-height:1.25;position:relative;padding-left:0;
}
.sec-head h2::before{
  content:"";display:block;width:56px;height:6px;border-radius:var(--r-pill);
  background:var(--grad-brand);margin-bottom:16px;
}
.sec-head p{color:var(--muted);font-size:16px;margin-top:14px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head.center h2::before{margin-left:auto;margin-right:auto}

/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh1);
  transition:transform var(--ease),box-shadow var(--ease);
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh3)}
.step-no{
  width:44px;height:44px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:rgba(255,90,46,.1);color:var(--brand);font-weight:800;font-size:19px;
  font-variant-numeric:tabular-nums;
}
.step-card h3{font-size:22px;margin:18px 0 10px}
.step-card p{color:var(--muted);font-size:16px;line-height:1.8}

/* ---------- 图文区块 ---------- */
.split{
  display:grid;grid-template-columns:6fr 6fr;gap:48px;align-items:center;
}
.split.rev .split-media{order:2}
.split-media{
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh2);background:var(--sub);
  aspect-ratio:4/3;
}
.split-media img{width:100%;height:100%;object-fit:cover;transition:transform 400ms cubic-bezier(.2,.7,.3,1)}
.split-media:hover img{transform:scale(1.04)}
.split-body h2{font-size:34px;line-height:1.25;margin-bottom:18px;position:relative}
.split-body h2::before{
  content:"";display:block;width:56px;height:6px;border-radius:var(--r-pill);
  background:var(--grad-brand);margin-bottom:16px;
}
.split-body p{color:var(--muted)}
.split-body h3{font-size:19px;margin:26px 0 10px}
.tick-list li{
  position:relative;padding-left:26px;margin-bottom:10px;color:var(--muted);font-size:16px;
}
.tick-list li::before{
  content:"";position:absolute;left:0;top:11px;width:9px;height:9px;border-radius:3px;
  background:var(--accent);
}
.link-more{
  display:inline-flex;align-items:center;gap:8px;margin-top:20px;
  font-size:15px;font-weight:700;color:var(--brand);
}
.link-more i{transition:transform var(--ease)}
.link-more:hover i{transform:translateX(4px)}

/* ---------- 信息双列卡 ---------- */
.info-duo{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:start}
.info-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:32px;box-shadow:var(--sh1);
}
.info-card h3{font-size:22px;margin-bottom:8px}
.info-card .mini{color:var(--muted);font-size:15px}
.info-list{margin-top:22px}
.info-list li{
  display:flex;gap:14px;padding:16px 0;border-top:1px dashed var(--line);
}
.info-list li:first-child{border-top:0;padding-top:0}
.info-list .ic{
  flex:0 0 auto;width:40px;height:40px;border-radius:12px;
  background:rgba(255,90,46,.1);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:16px;
}
.info-list b{display:block;font-size:16px;color:var(--ink);font-weight:700}
.info-list span{display:block;color:var(--muted);font-size:15px;line-height:1.7}
.contact-card{
  background:var(--grad-ink);color:#fff;border-radius:var(--r-card);
  padding:32px;box-shadow:var(--sh2);position:relative;overflow:hidden;
}
.contact-card::before{
  content:"";position:absolute;right:-60px;top:-60px;width:200px;height:200px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,90,46,.35),transparent 68%);
}
.contact-card h3{color:#fff;font-size:22px;position:relative}
.contact-card p{color:rgba(255,255,255,.72);font-size:15px;position:relative}
.contact-rows{margin:22px 0 26px;position:relative}
.contact-rows li{
  display:flex;justify-content:space-between;gap:16px;
  padding:14px 0;border-bottom:1px solid rgba(255,255,255,.1);font-size:15px;
}
.contact-rows li:last-child{border-bottom:0}
.contact-rows .k{color:rgba(255,255,255,.6)}
.contact-rows .v{color:#fff;font-weight:600;text-align:right}
.contact-rows .v em{font-style:normal;color:var(--accent)}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:920px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;
  transition:box-shadow var(--ease),border-color var(--ease);position:relative;
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad-brand);
  opacity:0;transition:opacity var(--ease);
}
.faq-item.open{box-shadow:var(--sh2);border-color:transparent}
.faq-item.open::before{opacity:1}
.faq-q{
  width:100%;background:transparent;border:0;cursor:pointer;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 26px;font-size:17px;font-weight:600;color:var(--ink);
}
.faq-q i{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  border:2px solid var(--line);color:var(--ink);font-size:12px;
  transition:transform var(--ease),border-color var(--ease),color var(--ease);
}
.faq-item.open .faq-q i{transform:rotate(180deg);border-color:var(--brand);color:var(--brand)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 300ms cubic-bezier(.2,.7,.3,1)}
.faq-a .inner{
  padding:0 26px 24px;color:var(--muted);font-size:16px;line-height:1.8;
}
.faq-a .inner strong{color:var(--ink)}

/* ---------- CTA 表单 ---------- */
.cta-panel{
  background:var(--grad-ink);border-radius:var(--r-lg);
  padding:56px 48px;display:grid;grid-template-columns:5fr 7fr;gap:48px;
  position:relative;overflow:hidden;box-shadow:var(--sh3);
}
.cta-panel::after{
  content:"";position:absolute;left:48px;right:48px;top:0;height:4px;border-radius:0 0 4px 4px;background:var(--grad-brand);
}
.cta-left h2{color:#fff;font-size:34px;line-height:1.25;margin-bottom:16px}
.cta-left p{color:rgba(255,255,255,.72);font-size:16px}
.cta-points{margin-top:26px}
.cta-points li{
  display:flex;gap:12px;align-items:flex-start;color:rgba(255,255,255,.85);
  font-size:15px;margin-bottom:12px;
}
.cta-points li i{color:var(--accent);margin-top:5px}
.form-card{
  background:#fff;border-radius:var(--r-card);padding:32px;box-shadow:var(--sh2);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1 / -1}
.field label{font-size:15px;font-weight:600;color:var(--ink)}
.field label .req{color:var(--brand);margin-left:4px}
.field input,.field select,.field textarea{
  width:100%;height:52px;border-radius:14px;border:1px solid var(--line);
  background:#fff;padding:0 16px;color:var(--ink);outline:0;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.field textarea{height:auto;min-height:120px;padding:14px 16px;line-height:1.7;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:transparent;box-shadow:0 0 0 2px var(--brand),0 0 0 6px rgba(255,90,46,.14);
}
.field select{
  appearance:none;
  background-image:url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%235A6663' stroke-width='2.4'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 16px center;
}
.field .hint{font-size:13px;color:var(--muted)}
.form-foot{margin-top:22px}
.form-foot .btn-main{width:100%}
.form-privacy{font-size:13px;color:var(--muted);margin-top:12px;line-height:1.6}
.form-note{
  display:none;margin-top:16px;padding:14px 16px;border-radius:14px;
  background:rgba(182,230,58,.18);border:1px solid rgba(143,212,31,.5);
  color:#2f4a00;font-size:15px;
}
.form-note.show{display:block}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:32px;bottom:32px;width:56px;height:56px;border-radius:50%;
  border:0;background:var(--grad-brand);color:#fff;font-size:18px;cursor:pointer;
  box-shadow:0 14px 32px rgba(255,90,46,.32);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity var(--ease),transform var(--ease),visibility var(--ease);z-index:1040;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}

/* ---------- Footer ---------- */
.site-footer{
  background:#0F1A18;color:rgba(255,255,255,.72);margin-top:96px;
  border-top:1px solid rgba(255,255,255,.08);padding:72px 0 28px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{box-shadow:none}
.footer-brand span:last-child{color:#fff;font-size:17px;font-weight:800}
.footer-intro{font-size:15px;line-height:1.8;color:rgba(255,255,255,.6);max-width:320px}
.socials{display:flex;gap:12px;margin-top:22px}
.socials a{
  width:42px;height:42px;border-radius:50%;border:1px solid rgba(255,255,255,.2);
  display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.75);
  transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.socials a:hover{background:var(--brand);border-color:var(--brand);color:#fff}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:18px;font-weight:700}
.site-footer ul li{margin-bottom:12px}
.site-footer ul a{font-size:15px;color:rgba(255,255,255,.72)}
.site-footer ul a:hover{color:var(--brand)}
.site-footer p{font-size:15px;line-height:1.8;margin-bottom:10px}
.site-footer p b{color:#fff;font-weight:600}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1399px){
  .container{max-width:1140px}
}
@media (max-width:1199px){
  .container{max-width:960px}
  .main-nav{gap:20px}
  .main-nav a{font-size:14px}
  .page-banner h1{font-size:44px}
  .split{gap:36px}
  .info-duo{grid-template-columns:1fr 1fr}
}
@media (max-width:991px){
  .nav-search{display:none}
  .main-nav{display:none}
  .btn-cta{display:none}
  .nav-toggle{display:flex;align-items:center;justify-content:center;margin-left:auto}
  .header-inner{gap:14px}
  .container{max-width:720px}
  section{padding:72px 0}
  .page-banner{min-height:280px}
  .page-banner h1{font-size:36px}
  .steps{grid-template-columns:1fr}
  .split{grid-template-columns:1fr}
  .split.rev .split-media{order:0}
  .info-duo{grid-template-columns:1fr}
  .cta-panel{grid-template-columns:1fr;padding:40px 32px;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 20px;max-width:100%}
  body{font-size:16px;line-height:1.8}
  section{padding:56px 0}
  .page-banner{border-radius:24px;min-height:240px}
  .page-banner h1{font-size:30px;line-height:1.25}
  .page-banner .lead{font-size:15px}
  .banner-inner{padding:40px 0}
  .sec-head h2,.split-body h2,.cta-left h2{font-size:24px}
  .sec-head{margin-bottom:32px}
  .form-grid{grid-template-columns:1fr}
  .form-card,.info-card,.contact-card,.step-card{padding:22px}
  .cta-panel{padding:30px 22px;border-radius:24px}
  .cta-panel::after{left:22px;right:22px}
  .faq-q{padding:18px 20px;font-size:16px}
  .faq-a .inner{padding:0 20px 20px}
  .btn-main,.btn-ghost,.btn-ghost-light{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .to-top{right:18px;bottom:18px;width:48px;height:48px}
  .split-media{aspect-ratio:16/10}
}

/* roulang page: category4 */
:root{
  --brand:#FF5A2E;
  --brand-dark:#E8481C;
  --brand-light:#FF9A6B;
  --lime:#B6E63A;
  --lime-dark:#8FD41F;
  --ink:#0F1A18;
  --ink-2:#132420;
  --bg:#F6F4EF;
  --card:#FFFFFF;
  --muted-bg:#EDEFEA;
  --text:#0F1A18;
  --text-2:#5A6663;
  --line:#DCE3DF;
  --danger:#E5484D;
  --grad-brand:linear-gradient(96deg,#FF5A2E 0%,#FF8A2E 55%,#FFC845 100%);
  --grad-ink:linear-gradient(180deg,#0F1A18 0%,#132420 100%);
  --grad-accent:linear-gradient(90deg,#B6E63A 0%,#8FD41F 100%);
  --sh1:0 2px 8px rgba(15,26,24,.05);
  --sh2:0 10px 30px rgba(15,26,24,.08);
  --sh3:0 24px 60px rgba(15,26,24,.12);
  --r-s:8px;
  --r-m:12px;
  --r-c:16px;
  --r-lg:24px;
  --r-xl:32px;
  --t:240ms cubic-bezier(.2,.7,.3,1);
  --font-cn:"HarmonyOS Sans SC","MiSans","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--ink);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--brand);}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:-.01em;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:3px solid rgba(255,90,46,.35);outline-offset:2px;}

.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 32px;
}
@media (min-width:1400px){.container{max-width:1240px;}}
@media (max-width:767px){.container{padding:0 20px;}}

.section{padding:96px 0;}
.section.tight{padding:72px 0;}
@media (max-width:991px){.section{padding:72px 0;}}
@media (max-width:767px){.section{padding:56px 0;}}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  height:76px;
  display:flex;
  align-items:center;
  gap:24px;
}
.logo{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-mark{
  width:36px;height:36px;
  border-radius:12px;
  background:var(--grad-brand);
  color:#fff;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-weight:800;
  font-size:19px;
  box-shadow:0 6px 18px rgba(255,90,46,.30);
  flex-shrink:0;
}
.logo-text{
  font-size:18px;
  font-weight:800;
  color:var(--ink);
  white-space:nowrap;
  letter-spacing:-.02em;
}
.search-box{
  position:relative;
  display:flex;
  align-items:center;
  flex:1 1 auto;
  max-width:500px;
  min-width:220px;
  height:48px;
  background:#fff;
  border:1.5px solid var(--line);
  border-radius:999px;
  padding:0 6px 0 18px;
  transition:border-color var(--t),box-shadow var(--t);
}
.search-box:hover{border-color:var(--brand-light);}
.search-box:focus-within{
  border-color:transparent;
  box-shadow:0 0 0 2px var(--brand),0 0 0 6px rgba(255,90,46,.12),var(--sh2);
}
.search-box i{
  color:rgba(15,26,24,.55);
  font-size:16px;
  margin-right:10px;
}
.search-box input{
  flex:1;
  border:0;
  outline:0;
  background:transparent;
  font-size:15px;
  color:var(--text);
  min-width:0;
}
.search-box input::placeholder{color:rgba(15,26,24,.42);}
.search-btn{
  height:38px;
  padding:0 20px;
  border:0;
  border-radius:999px;
  background:var(--grad-brand);
  color:#fff;
  font-size:14px;
  font-weight:700;
  cursor:pointer;
  transition:transform var(--t),filter var(--t);
}
.search-btn:hover{filter:brightness(1.05);transform:translateY(-1px);}
.search-btn:active{transform:translateY(0);filter:brightness(.96);}

.main-nav{
  display:flex;
  align-items:center;
  gap:26px;
  margin-left:auto;
}
.main-nav a{
  position:relative;
  font-size:15px;
  font-weight:600;
  color:var(--text-2);
  white-space:nowrap;
  padding:6px 0;
}
.main-nav a::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  width:0;height:2px;
  border-radius:2px;
  background:var(--grad-brand);
  transition:width var(--t);
}
.main-nav a:hover{color:var(--brand);}
.main-nav a:hover::after{width:20px;}
.main-nav a.active{color:var(--brand);}
.main-nav a.active::after{width:20px;}
.btn-cta{
  height:44px;
  padding:0 22px;
  border-radius:999px;
  background:var(--grad-brand);
  color:#fff;
  font-size:15px;
  font-weight:700;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  white-space:nowrap;
  box-shadow:0 8px 22px rgba(255,90,46,.26);
  transition:transform var(--t),box-shadow var(--t),filter var(--t);
}
.btn-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,90,46,.32);filter:brightness(1.04);}
.btn-cta:active{transform:translateY(0);filter:brightness(.96);}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink);
  font-size:18px;
  cursor:pointer;
  align-items:center;
  justify-content:center;
}
.mobile-drawer{
  display:none;
  border-top:1px solid var(--line);
  background:#fff;
  padding:16px 20px 24px;
}
.mobile-drawer.open{display:block;}
.mobile-drawer .search-box{max-width:100%;width:100%;margin-bottom:16px;}
.mobile-drawer .drawer-links a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:56px;
  padding:0 4px;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  border-bottom:1px solid var(--line);
}
.mobile-drawer .drawer-links a.active{color:var(--brand);}
.mobile-drawer .drawer-links a::after{
  content:"\f105";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  font-size:14px;
  color:var(--brand-light);
}
.mobile-drawer .btn-cta{width:100%;margin-top:18px;}

@media (max-width:1199px){
  .main-nav{gap:18px;}
  .search-box{max-width:340px;}
}
@media (max-width:991px){
  .main-nav,.header-inner > .btn-cta,.header-inner > .search-box{display:none;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .header-inner{gap:12px;}
}
@media (max-width:520px){
  .logo-text{font-size:16px;}
  .brand-mark{width:32px;height:32px;font-size:17px;}
}

/* ---------- Breadcrumb ---------- */
.crumb-bar{padding:20px 0 0;}
.crumb{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:40px;
  padding:0 18px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:999px;
  font-size:14px;
  color:var(--text-2);
  box-shadow:var(--sh1);
}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:rgba(15,26,24,.35);}
.crumb .now{color:var(--ink);font-weight:600;}

/* ---------- Page hero ---------- */
.page-hero{padding:28px 0 0;}
.hero-shell{
  position:relative;
  border-radius:var(--r-xl);
  overflow:hidden;
  min-height:300px;
  padding:56px 56px 52px;
  background-image:linear-gradient(102deg,rgba(15,26,24,.94) 0%,rgba(15,26,24,.78) 46%,rgba(19,36,32,.42) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  box-shadow:var(--sh3);
  color:#fff;
}
.hero-shell::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:6px;
  background:var(--grad-brand);
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:28px;
  padding:0 14px;
  border-radius:999px;
  background:rgba(182,230,58,.16);
  border:1px solid rgba(182,230,58,.42);
  color:var(--lime);
  font-size:13px;
  font-weight:700;
  letter-spacing:.04em;
  margin-bottom:20px;
}
.hero-shell h1{
  font-size:52px;
  line-height:1.15;
  font-weight:800;
  margin-bottom:18px;
  max-width:760px;
}
.hero-lead{
  font-size:18px;
  line-height:1.75;
  color:rgba(255,255,255,.82);
  max-width:620px;
  margin-bottom:26px;
}
.hero-badges{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:30px;
}
.hero-badges span{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:30px;
  padding:0 14px;
  border-radius:999px;
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.20);
  font-size:13px;
  font-weight:700;
  color:rgba(255,255,255,.92);
}
.hero-badges span i{color:var(--lime);font-size:12px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;}

.btn-primary{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:52px;
  padding:0 30px;
  border:0;
  border-radius:999px;
  background:var(--grad-brand);
  color:#fff;
  font-size:16px;
  font-weight:700;
  cursor:pointer;
  box-shadow:0 12px 28px rgba(255,90,46,.30);
  transition:transform var(--t),box-shadow var(--t),filter var(--t);
}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 38px rgba(255,90,46,.36);filter:brightness(1.04);}
.btn-primary:active{transform:translateY(0);filter:brightness(.96);}

.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:52px;
  padding:0 28px;
  border-radius:999px;
  background:transparent;
  border:1px solid rgba(255,255,255,.42);
  color:#fff;
  font-size:16px;
  font-weight:700;
  transition:background var(--t),color var(--t),transform var(--t);
}
.btn-ghost:hover{background:#fff;color:var(--ink);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}

.btn-outline{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:999px;
  background:#fff;
  border:1.5px solid var(--ink);
  color:var(--ink);
  font-size:15px;
  font-weight:700;
  transition:background var(--t),color var(--t),transform var(--t),box-shadow var(--t);
}
.btn-outline:hover{background:var(--ink);color:#fff;transform:translateY(-2px);box-shadow:var(--sh2);}

@media (max-width:991px){
  .hero-shell{padding:44px 36px 42px;min-height:280px;}
  .hero-shell h1{font-size:38px;}
  .hero-lead{font-size:17px;}
}
@media (max-width:767px){
  .hero-shell{padding:34px 22px 36px;border-radius:24px;}
  .hero-shell h1{font-size:30px;line-height:1.25;}
  .hero-lead{font-size:16px;}
  .hero-actions .btn-primary,.hero-actions .btn-ghost{width:100%;}
}

/* ---------- Section head ---------- */
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{
  position:relative;
  font-size:34px;
  padding-left:0;
  margin-bottom:16px;
}
.section-head h2::before{
  content:"";
  display:block;
  width:56px;height:6px;
  border-radius:99px;
  background:var(--grad-brand);
  margin-bottom:18px;
}
.section-head p{
  font-size:17px;
  color:var(--text-2);
  margin:0;
}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head.center h2::before{margin-left:auto;margin-right:auto;}
@media (max-width:767px){
  .section-head h2{font-size:24px;}
  .section-head{margin-bottom:32px;}
}

/* ---------- Matrix ---------- */
.matrix-wrap{
  overflow-x:auto;
  padding-bottom:8px;
  -webkit-overflow-scrolling:touch;
}
.matrix{
  min-width:920px;
  border-radius:var(--r-lg);
}
.matrix-head{
  display:grid;
  grid-template-columns:200px repeat(3,1fr);
  gap:16px;
  margin-bottom:16px;
}
.matrix-corner{
  display:flex;
  align-items:flex-end;
  padding-bottom:8px;
  font-size:14px;
  font-weight:700;
  color:var(--text-2);
}
.matrix-th{
  background:var(--grad-ink);
  border-radius:var(--r-lg);
  padding:24px 24px 22px;
  color:#fff;
  box-shadow:var(--sh2);
  border:1px solid rgba(255,255,255,.08);
}
.mth-index{
  display:inline-block;
  font-family:"Barlow Condensed",var(--font-cn);
  font-size:14px;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--lime);
  margin-bottom:10px;
}
.matrix-th h3{
  font-size:20px;
  color:#fff;
  margin-bottom:8px;
}
.matrix-th p{
  margin:0;
  font-size:14px;
  line-height:1.65;
  color:rgba(255,255,255,.68);
}
.matrix-row{
  display:grid;
  grid-template-columns:200px repeat(3,1fr);
  gap:16px;
  margin-bottom:10px;
}
.matrix-label{
  display:flex;
  align-items:center;
  min-height:64px;
  padding:0 20px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-c);
  font-size:15px;
  font-weight:700;
  color:var(--ink);
}
.matrix-cell{
  display:flex;
  align-items:center;
  min-height:64px;
  padding:8px 20px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-c);
  font-size:15px;
  color:var(--text-2);
  transition:border-color var(--t),box-shadow var(--t),transform var(--t);
}
.matrix-row:nth-child(even) .matrix-cell{background:#FAFBF9;}
.matrix-row:hover .matrix-cell{border-color:var(--brand-light);box-shadow:var(--sh1);}
.matrix-row:hover .matrix-label{border-color:var(--brand-light);box-shadow:var(--sh1);}
.chip-lime{
  display:inline-flex;
  align-items:center;
  height:28px;
  padding:0 12px;
  border-radius:999px;
  background:rgba(182,230,58,.24);
  border:1px solid rgba(143,212,31,.5);
  color:#3D5A0B;
  font-size:13px;
  font-weight:700;
  white-space:nowrap;
}
.chip-line{
  display:inline-flex;
  align-items:center;
  height:28px;
  padding:0 12px;
  border-radius:999px;
  background:#fff;
  border:1px solid var(--line);
  color:var(--ink);
  font-size:13px;
  font-weight:700;
  white-space:nowrap;
}
.matrix-note{
  margin-top:22px;
  padding:18px 24px;
  border-radius:999px;
  background:linear-gradient(90deg,rgba(255,90,46,.10),rgba(182,230,58,.14));
  border:1px solid var(--line);
  font-size:15px;
  color:var(--ink);
  display:flex;
  align-items:center;
  gap:10px;
}
.matrix-note i{color:var(--brand);}

/* ---------- Feature cards ---------- */
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
@media (max-width:991px){.card-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:640px){.card-grid{grid-template-columns:1fr;}}

.feature-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh1);
  transition:box-shadow var(--t),transform var(--t);
  display:flex;
  flex-direction:column;
}
.feature-card:hover{box-shadow:var(--sh3);transform:translateY(-4px);}
.feature-media{
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--muted-bg);
}
.feature-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform 400ms cubic-bezier(.2,.7,.3,1);
}
.feature-card:hover .feature-media img{transform:scale(1.04);}
.feature-body{padding:26px 28px 28px;display:flex;flex-direction:column;flex:1;}
.feature-body h3{font-size:21px;margin-bottom:12px;}
.feature-body p{font-size:15px;line-height:1.8;color:var(--text-2);margin-bottom:18px;}
.feature-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px;}
.card-link{
  margin-top:auto;
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:15px;
  font-weight:700;
  color:var(--brand);
}
.card-link i{transition:transform var(--t);font-size:13px;}
.card-link:hover i{transform:translateX(4px);}
@media (max-width:767px){.feature-body{padding:22px 20px 24px;}}

/* ---------- Dark metrics ---------- */
.dark-band{
  background:var(--grad-ink);
  color:#fff;
  padding:80px 0;
}
.dark-band .section-head h2{color:#fff;}
.dark-band .section-head p{color:rgba(255,255,255,.66);}
.dark-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
@media (max-width:991px){.dark-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:560px){.dark-grid{grid-template-columns:1fr;}}
.dark-card{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.10);
  border-radius:var(--r-lg);
  padding:26px 24px;
  transition:background var(--t),transform var(--t);
}
.dark-card:hover{background:rgba(255,255,255,.10);transform:translateY(-4px);}
.dark-card .dc-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:16px;
}
.dark-card .dc-icon{
  width:40px;height:40px;
  border-radius:12px;
  background:rgba(182,230,58,.16);
  color:var(--lime);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:16px;
}
.dark-card h3{
  font-size:19px;
  color:#fff;
  margin-bottom:10px;
}
.dc-divider{
  border-top:1px dashed rgba(255,255,255,.22);
  margin:14px 0;
}
.dark-card p{
  font-size:15px;
  line-height:1.8;
  color:rgba(255,255,255,.68);
  margin:0;
}

/* ---------- Steps ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  counter-reset:step;
}
@media (max-width:991px){.steps{grid-template-columns:repeat(2,1fr);}}
@media (max-width:560px){.steps{grid-template-columns:1fr;}}
.step{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px 24px;
  box-shadow:var(--sh1);
  transition:box-shadow var(--t),transform var(--t);
}
.step:hover{box-shadow:var(--sh2);transform:translateY(-4px);}
.step-num{
  font-family:"Barlow Condensed",var(--font-cn);
  font-size:34px;
  font-weight:700;
  line-height:1;
  letter-spacing:-.02em;
  background:var(--grad-brand);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  display:block;
  margin-bottom:14px;
}
.step h3{font-size:18px;margin-bottom:10px;}
.step p{font-size:15px;line-height:1.8;color:var(--text-2);margin:0;}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;margin:0 auto;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:20px;
  margin-bottom:12px;
  overflow:hidden;
  transition:box-shadow var(--t),border-color var(--t);
}
.faq-item.open{
  box-shadow:var(--sh2);
  border-color:transparent;
  position:relative;
}
.faq-item.open::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:4px;
  background:var(--grad-brand);
}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:22px 26px;
  background:transparent;
  border:0;
  text-align:left;
  font-size:17px;
  font-weight:600;
  color:var(--ink);
  cursor:pointer;
}
.faq-q i{
  flex-shrink:0;
  font-size:18px;
  color:var(--brand);
  transition:transform var(--t);
}
.faq-item.open .faq-q i{transform:rotate(180deg);}
.faq-a{
  display:none;
  padding:0 26px 22px;
  font-size:16px;
  line-height:1.85;
  color:var(--text-2);
}
.faq-item.open .faq-a{display:block;}
@media (max-width:767px){
  .faq-q{padding:18px 20px;font-size:16px;}
  .faq-a{padding:0 20px 18px;font-size:15px;}
}

/* ---------- CTA form ---------- */
.cta-band{
  padding:0 0 96px;
}
.cta-shell{
  background:var(--grad-ink);
  border-radius:var(--r-xl);
  padding:56px 48px;
  color:#fff;
  box-shadow:var(--sh3);
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:48px;
  align-items:start;
}
.cta-shell h2{font-size:34px;color:#fff;margin-bottom:16px;}
.cta-shell .cta-desc{color:rgba(255,255,255,.70);font-size:17px;margin-bottom:26px;}
.cta-points{display:flex;flex-direction:column;gap:14px;}
.cta-points li{
  display:flex;
  align-items:flex-start;
  gap:12px;
  font-size:15px;
  color:rgba(255,255,255,.86);
  line-height:1.7;
}
.cta-points i{color:var(--lime);margin-top:5px;font-size:14px;}
.form-card{
  background:#fff;
  border-radius:var(--r-lg);
  padding:32px;
  color:var(--text);
  box-shadow:var(--sh2);
}
.form-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px;
}
.form-field{display:flex;flex-direction:column;gap:8px;}
.form-field.full{grid-column:1 / -1;}
.form-field label{font-size:15px;font-weight:600;color:var(--ink);}
.form-field label .req{color:var(--brand);margin-left:2px;}
.form-field input,
.form-field select,
.form-field textarea{
  height:52px;
  border:1px solid var(--line);
  border-radius:14px;
  padding:0 16px;
  font-size:15px;
  color:var(--text);
  background:#fff;
  outline:0;
  transition:border-color var(--t),box-shadow var(--t);
}
.form-field textarea{
  height:118px;
  padding:14px 16px;
  resize:vertical;
  line-height:1.7;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus{
  border-color:transparent;
  box-shadow:0 0 0 2px var(--brand),0 0 0 6px rgba(255,90,46,.12);
}
.form-field .hint{font-size:13px;color:var(--text-2);}
.form-field .err{font-size:14px;color:var(--danger);display:none;}
.form-field.invalid input,
.form-field.invalid select,
.form-field.invalid textarea{border-color:var(--danger);}
.form-field.invalid .err{display:block;}
.form-card .btn-primary{width:100%;margin-top:22px;}
.form-privacy{font-size:13px;color:var(--text-2);text-align:center;margin-top:14px;}
.form-tip{
  display:none;
  margin-top:16px;
  padding:14px 18px;
  border-radius:14px;
  background:rgba(182,230,58,.20);
  border:1px solid rgba(143,212,31,.5);
  color:#3D5A0B;
  font-size:14px;
  font-weight:600;
}
.form-tip.show{display:block;}
@media (max-width:991px){
  .cta-shell{grid-template-columns:1fr;gap:32px;padding:40px 32px;}
  .cta-shell h2{font-size:28px;}
}
@media (max-width:767px){
  .cta-band{padding:0 0 56px;}
  .cta-shell{padding:30px 22px;border-radius:24px;}
  .form-card{padding:22px;}
  .form-grid{grid-template-columns:1fr;}
}

/* ---------- Footer ---------- */
.site-footer{
  background:#0F1A18;
  color:#fff;
  border-top:1px solid rgba(255,255,255,.08);
  padding:72px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
@media (max-width:991px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px;}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr;}}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:800;
  margin-bottom:16px;
}
.footer-intro{
  font-size:15px;
  line-height:1.8;
  color:rgba(255,255,255,.65);
  margin-bottom:22px;
  max-width:340px;
}
.socials{display:flex;gap:12px;}
.socials a{
  width:40px;height:40px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.24);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:rgba(255,255,255,.78);
  font-size:15px;
  transition:background var(--t),color var(--t),border-color var(--t),transform var(--t);
}
.socials a:hover{
  background:var(--grad-brand);
  border-color:transparent;
  color:#fff;
  transform:translateY(-2px);
}
.footer-col h4{
  font-size:16px;
  color:#fff;
  margin-bottom:20px;
}
.footer-col ul li{margin-bottom:12px;}
.footer-col ul a{
  font-size:15px;
  color:rgba(255,255,255,.72);
}
.footer-col ul a:hover{color:var(--brand);}
.footer-col p{
  font-size:15px;
  color:rgba(255,255,255,.72);
  margin-bottom:10px;
}
.footer-col p b{color:#fff;font-weight:600;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:22px 0 30px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.48);
}
@media (max-width:767px){
  .site-footer{padding-top:56px;}
  .footer-bottom{justify-content:center;text-align:center;}
}

/* ---------- Back to top ---------- */
.to-top{
  position:fixed;
  right:32px;
  bottom:32px;
  width:56px;height:56px;
  border:0;
  border-radius:50%;
  background:var(--grad-brand);
  color:#fff;
  font-size:18px;
  cursor:pointer;
  box-shadow:0 14px 34px rgba(255,90,46,.34);
  opacity:0;
  visibility:hidden;
  transform:translateY(12px);
  transition:opacity var(--t),visibility var(--t),transform var(--t);
  z-index:1040;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
@media (max-width:767px){.to-top{right:18px;bottom:18px;width:50px;height:50px;}}