/* roulang page: index */
:root{
  --ink:#1B2437;
  --ink-2:#3A465A;
  --muted:#6C7788;
  --paper:#F6F4EF;
  --white:#FFFFFF;
  --line:#E7E1D7;
  --accent:#E4572E;
  --accent-dark:#C3441F;
  --accent-soft:#FCE9E1;
  --teal:#2D7D7B;
  --teal-soft:#E2F0EE;
  --radius:18px;
  --radius-md:14px;
  --shadow:0 18px 55px rgba(27,36,55,.10);
  --shadow-sm:0 8px 24px rgba(27,36,55,.06);
  --transition:all .25s ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  background:var(--paper);
  color:var(--ink);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
a:hover{color:var(--accent)}
p{margin:0}
ul{padding:0;margin:0;list-style:none}
button,input,textarea{font-family:inherit}

.container{max-width:1200px;padding-left:24px;padding-right:24px}

/* ===== Header ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:1050;
  background:rgba(246,244,239,.92);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(27,36,55,.08);
  transition:all .3s ease;
}
.site-header.is-shrunk{
  box-shadow:0 10px 32px rgba(27,36,55,.07);
  background:rgba(255,255,255,.96);
}
.site-header .header-top{
  padding:18px 0;
  transition:padding .3s ease,opacity .25s ease;
}
.site-header.is-shrunk .header-top{
  padding:0;
  opacity:0;
  height:0;
  overflow:hidden;
  border:0;
}
.brand-logo{
  display:flex;
  align-items:center;
  gap:7px;
  font-size:1.6rem;
  font-weight:800;
  letter-spacing:.5px;
  color:var(--ink);
}
.brand-logo i{
  color:var(--accent);
  font-size:1.15rem;
  transform:translateY(-1px);
}
.brand-sub{
  font-size:.78rem;
  font-weight:500;
  color:var(--muted);
  border-left:1px solid var(--line);
  padding-left:10px;
  margin-left:8px;
}
.header-top .top-cta a{
  padding:9px 18px;
  border-radius:50px;
  font-weight:600;
  font-size:.88rem;
}
.main-nav{
  background:rgba(255,255,255,.02);
  transition:all .25s ease;
}
.site-header.is-shrunk .main-nav{
  border-top:0;
}
.main-nav .nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:62px;
}
.main-nav .brand-sm{
  display:none;
  align-items:center;
  gap:6px;
  font-weight:800;
  font-size:1.05rem;
}
.main-nav .nav-list{
  display:flex;
  align-items:center;
  gap:30px;
  margin:0;
  padding:0;
}
.main-nav .nav-list .nav-link{
  position:relative;
  padding:0 2px;
  font-size:.95rem;
  font-weight:600;
  color:var(--ink-2);
  line-height:62px;
  border:0;
  background:transparent;
}
.main-nav .nav-list .nav-link::after{
  content:"";
  position:absolute;
  left:0;
  bottom:-2px;
  height:3px;
  width:0;
  border-radius:6px;
  background:var(--accent);
  transition:width .22s ease;
}
.main-nav .nav-list .nav-link:hover,
.main-nav .nav-list .nav-link.active{
  color:var(--ink);
}
.main-nav .nav-list .nav-link:hover::after,
.main-nav .nav-list .nav-link.active::after{
  width:100%;
}
.nav-mini-cta{
  font-size:.86rem;
  font-weight:600;
  color:var(--teal);
  white-space:nowrap;
  margin-right:6px;
}
.nav-mini-cta i{margin-right:4px}
.hamburger{
  display:none;
  width:42px;
  height:42px;
  border:0;
  background:transparent;
  border-radius:10px;
  color:var(--ink);
  font-size:1.3rem;
  cursor:pointer;
  transition:var(--transition);
}
.hamburger:hover{background:rgba(228,87,46,.10)}
@media (max-width:991.98px){
  .brand-sub,.header-top .top-cta{display:none!important}
  .hamburger{display:inline-flex;align-items:center;justify-content:center}
  .main-nav{
    position:fixed;
    top:0;
    right:0;
    width:min(78vw,330px);
    height:100vh;
    background:var(--white);
    box-shadow:-16px 0 44px rgba(27,36,55,.16);
    transform:translateX(105%);
    transition:transform .32s ease;
    z-index:1060;
  }
  .main-nav.is-open{transform:translateX(0)}
  .main-nav .nav-wrap{
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    padding:24px 18px;
    min-height:auto;
  }
  .main-nav .brand-sm{
    display:flex;
    padding:8px 8px 18px;
    border-bottom:1px solid var(--line);
    margin-bottom:12px;
  }
  .main-nav .nav-list{
    flex-direction:column;
    align-items:flex-start;
    gap:4px;
  }
  .main-nav .nav-list .nav-link{
    display:block;
    width:100%;
    font-size:1rem;
    font-weight:700;
    line-height:1.2;
    padding:14px 8px;
    border-radius:12px;
  }
  .main-nav .nav-list .nav-link::after{display:none}
  .main-nav .nav-list .nav-link:hover,
  .main-nav .nav-list .nav-link.active{
    background:var(--paper);
    color:var(--accent);
  }
  .nav-mini-cta{
    margin:16px 8px 0;
    padding-top:16px;
    border-top:1px solid var(--line);
  }
  .nav-mask{
    display:none;
    position:fixed;
    inset:0;
    background:rgba(27,36,55,.4);
    backdrop-filter:blur(3px);
    z-index:1055;
  }
  .nav-mask.show{display:block}
}

/* ===== Hero ===== */
.hero{
  position:relative;
  padding:88px 0 76px;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(120deg,rgba(246,244,239,.97) 0%,rgba(246,244,239,.8) 34%,rgba(246,244,239,.3) 68%,rgba(228,87,46,.12) 100%),url("/assets/images/backpic/back-1.jpg") center/cover no-repeat;
  z-index:-1;
}
.hero .hero-subline{
  color:var(--ink-2);
  font-size:1.06rem;
  max-width:560px;
  margin:18px 0 8px;
}
.hero .eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 14px;
  background:rgba(228,87,46,.09);
  border:1px solid rgba(228,87,46,.18);
  color:var(--accent-dark);
  border-radius:50px;
  font-size:.82rem;
  font-weight:700;
  letter-spacing:.2px;
}
.hero h1{
  font-size:clamp(2rem,4.4vw,3.35rem);
  font-weight:800;
  line-height:1.18;
  margin:20px 0 0;
  color:var(--ink);
  letter-spacing:.5px;
}
.hero .hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:28px;
}
.hero .kpi-row{
  display:flex;
  flex-wrap:wrap;
  gap:0 34px;
  margin-top:40px;
  padding-top:24px;
  border-top:1px solid rgba(27,36,55,.12);
}
.hero .kpi-item .num{
  font-size:1.8rem;
  font-weight:800;
  color:var(--ink);
  line-height:1.1;
}
.hero .kpi-item .num span{
  color:var(--accent);
}
.hero .kpi-item .label{
  color:var(--muted);
  font-size:.84rem;
  margin-top:2px;
}
.hero-art{
  position:relative;
  z-index:1;
}
.hero-art .cover-img{
  border-radius:24px;
  box-shadow:var(--shadow);
  transform:rotate(2.2deg) scale(1);
  object-fit:cover;
  width:100%;
  aspect-ratio:4/4.7;
  transition:transform .4s ease;
}
.hero-art:hover .cover-img{
  transform:rotate(0) scale(1.01);
}
.hero-art .float-card{
  position:absolute;
  left:-26px;
  bottom:34px;
  background:rgba(255,255,255,.92);
  border:1px solid var(--line);
  border-radius:16px;
  padding:12px 18px;
  box-shadow:var(--shadow-sm);
  font-size:.86rem;
  font-weight:700;
  color:var(--ink-2);
  backdrop-filter:blur(8px);
}
.hero-art .float-card i{
  color:var(--teal);
  margin-right:6px;
}
.hero-art .float-card span.big{
  font-size:1.3rem;
  color:var(--ink);
  margin-right:5px;
}
@media (max-width:991.98px){
  .hero{padding:54px 0}
  .hero-art{
    margin-top:44px;
  }
  .hero-art .cover-img{
    aspect-ratio:4/3.2;
  }
  .hero-art .float-card{
    left:18px;
    bottom:20px;
  }
}
@media (max-width:575.98px){
  .hero .kpi-row{gap:16px 26px}
}

/* ===== Buttons ===== */
.btn-accent,
.btn-outline-dark,
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 22px;
  border-radius:50px;
  font-size:.9rem;
  font-weight:700;
  border:1px solid transparent;
  cursor:pointer;
  transition:all .25s ease;
  line-height:1.4;
}
.btn-accent{
  background:var(--accent);
  color:#fff;
  border-color:var(--accent);
  box-shadow:0 8px 22px rgba(228,87,46,.28);
}
.btn-accent:hover{
  background:var(--accent-dark);
  border-color:var(--accent-dark);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 12px 28px rgba(228,87,46,.32);
}
.btn-outline-dark{
  background:transparent;
  color:var(--ink);
  border-color:rgba(27,36,55,.24);
}
.btn-outline-dark:hover{
  border-color:var(--ink);
  background:var(--ink);
  color:#fff;
  transform:translateY(-2px);
}
.btn-ghost{
  background:var(--accent-soft);
  color:var(--accent-dark);
}
.btn-ghost:hover{
  background:var(--accent);
  color:#fff;
  transform:translateY(-2px);
}

/* ===== Section ===== */
.section-padding{
  padding:94px 0;
}
.section-padding-sm{
  padding:64px 0;
}
.section-head{
  margin-bottom:44px;
}
.section-head .eyebrow{
  display:inline-block;
  color:var(--accent);
  font-size:.82rem;
  font-weight:800;
  letter-spacing:1px;
  margin-bottom:12px;
  text-transform:uppercase;
}
.section-head h2{
  font-size:clamp(1.6rem,2.8vw,2.4rem);
  font-weight:800;
  line-height:1.25;
  margin-bottom:12px;
  letter-spacing:.2px;
}
.section-head .lead{
  font-size:1.02rem;
  color:var(--muted);
  max-width:650px;
}
.white-bg{background:var(--white)}
.soft-bg{background:#FBF9F5}
.accent-border-bg{
  background:linear-gradient(135deg,#FEF6F1 0%,#FFFFFF 55%);
}
.text-accent{color:var(--accent)}
.text-teal{color:var(--teal)}

/* ===== About / KPI ===== */
.about-grid{
  display:grid;
  grid-template-columns:1.2fr .9fr;
  gap:52px;
  align-items:center;
}
@media(max-width:991.98px){
  .about-grid{grid-template-columns:1fr;gap:34px}
}
.about-copy h3{
  font-size:1.65rem;
  font-weight:800;
  line-height:1.3;
  margin-bottom:18px;
}
.about-copy p{
  color:var(--ink-2);
  margin-bottom:16px;
}
.check-list{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:10px 26px;
  margin-top:22px;
}
@media(max-width:575.98px){
  .check-list{grid-template-columns:1fr}
}
.check-list li{
  display:flex;
  align-items:center;
  gap:8px;
  color:var(--ink-2);
  font-size:.9rem;
}
.check-list i{
  color:var(--teal);
  font-size:.8rem;
}
.data-panel{
  background:var(--ink);
  color:#fff;
  border-radius:26px;
  padding:38px 30px;
  position:relative;
  overflow:hidden;
}
.data-panel::after{
  content:"";
  position:absolute;
  width:190px;
  height:190px;
  right:-60px;
  top:-60px;
  border-radius:50%;
  background:rgba(228,87,46,.35);
}
.data-panel .d-item{
  display:flex;
  justify-content:space-between;
  border-bottom:1px solid rgba(255,255,255,.13);
  padding:18px 0;
}
.data-panel .d-item:last-child{
  border-bottom:0;
}
.data-panel .d-item .d-main{
  font-size:1.12rem;
  font-weight:700;
}
.data-panel .d-item .d-num{
  font-size:1.6rem;
  font-weight:800;
  color:var(--accent-soft);
}

/* ===== News / List ===== */
.news-list .news-item{
  display:flex;
  align-items:baseline;
  gap:20px;
  padding:20px 0;
  border-bottom:1px solid var(--line);
  transition:padding .2s ease;
}
.news-item:hover{
  padding-left:10px;
}
.news-item .n-index{
  flex:0 0 42px;
  font-size:1.1rem;
  font-weight:800;
  color:var(--accent);
  font-style:italic;
}
.news-item a{
  flex:1;
  font-weight:700;
  font-size:1.02rem;
  line-height:1.55;
  color:var(--ink);
}
.news-item a small{
  display:block;
  font-size:.8rem;
  color:var(--muted);
  font-weight:400;
  margin-top:4px;
}
.news-item:hover a{
  color:var(--accent-dark);
}
.news-note{
  font-size:.84rem;
  color:var(--muted);
  margin-top:18px;
}
.news-note i{
  margin-right:6px;
  color:var(--accent);
}
.rec-card{
  background:var(--white);
  border:1px solid rgba(27,36,55,.06);
  box-shadow:var(--shadow-sm);
  border-radius:22px;
  padding:28px;
}
.rec-card h4{
  font-size:1rem;
  font-weight:800;
  border-left:4px solid var(--accent);
  padding-left:12px;
  margin-bottom:18px;
}
.rec-tags{
  display:flex;
  flex-direction:column;
  gap:10px;
}
.rec-tags a{
  background:var(--paper);
  border:1px solid transparent;
  border-radius:12px;
  padding:12px 16px;
  font-size:.88rem;
  font-weight:600;
  color:var(--ink-2);
  display:flex;
  align-items:center;
  justify-content:space-between;
  transition:var(--transition);
}
.rec-tags a i{
  color:var(--accent);
  opacity:.6;
  width:22px;
  text-align:center;
}
.rec-tags a:hover{
  background:var(--accent-soft);
  border-color:rgba(228,87,46,.2);
  color:var(--ink);
  transform:translateX(4px);
}

/* ===== Service / Scenarios ===== */
.service-list{
  display:flex;
  flex-direction:column;
}
.service-row{
  display:grid;
  grid-template-columns:auto 1fr auto;
  align-items:center;
  gap:20px;
  padding:26px 10px;
  border-bottom:1px solid var(--line);
  transition:var(--transition);
}
.service-row:first-child{border-top:1px solid var(--line)}
.service-row:hover{
  padding-left:18px;
  background:rgba(228,87,46,.04);
  border-radius:18px;
}
.service-icon{
  width:54px;
  height:54px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:15px;
  background:var(--accent-soft);
  color:var(--accent);
  font-size:1.25rem;
}
.service-row:nth-child(2) .service-icon{
  background:var(--teal-soft);
  color:var(--teal);
}
.service-row:nth-child(3) .service-icon{
  background:#EDEEFF;
  color:#5A60C0;
}
.service-row:nth-child(4) .service-icon{
  background:#FFF1D6;
  color:#D98717;
}
.service-body h5{
  font-size:1.08rem;
  font-weight:800;
  margin-bottom:6px;
}
.service-body p{
  color:var(--muted);
  font-size:.9rem;
  max-width:620px;
}
.service-arrow i{
  font-size:1.2rem;
  color:var(--muted);
  transition:var(--transition);
}
.service-row:hover .service-arrow i{
  color:var(--accent);
  transform:translateX(5px);
}
@media(max-width:991.98px){
  .service-row{
    grid-template-columns:auto 1fr;
  }
  .service-arrow{display:none}
}

/* ===== Scenarios ===== */
.scenario-box{
  background:var(--ink);
  border-radius:26px;
  padding:clamp(28px,4vw,60px);
  color:#fff;
  position:relative;
  overflow:hidden;
}
.scenario-box::before{
  content:"";
  position:absolute;
  right:-100px;
  bottom:-100px;
  width:330px;
  height:330px;
  background:radial-gradient(circle,rgba(228,87,46,.38),transparent 65%);
}
.scenario-box h3{
  font-size:1.7rem;
  font-weight:800;
  margin-bottom:12px;
}
.scenario-box p{
  color:rgba(255,255,255,.72);
  max-width:560px;
  margin-bottom:28px;
}
.scenario-pills{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.scenario-pills span{
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);
  padding:9px 16px;
  border-radius:50px;
  font-size:.85rem;
  font-weight:600;
  color:rgba(255,255,255,.9);
  transition:var(--transition);
}
.scenario-pills span:hover{
  background:var(--accent);
  border-color:var(--accent);
  transform:translateY(-2px);
}

/* ===== Flow ===== */
.flow-wrap{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:50px;
  align-items:center;
}
@media(max-width:991.98px){
  .flow-wrap{grid-template-columns:1fr}
}
.flow-list{
  counter-reset:flow;
}
.flow-item{
  counter-increment:flow;
  position:relative;
  display:flex;
  gap:17px;
  padding:0 0 28px 0;
}
.flow-item::before{
  content:counter(flow);
  box-sizing:border-box;
  flex:0 0 38px;
  width:38px;
  height:38px;
  border-radius:50%;
  background:var(--accent);
  color:#fff;
  font-weight:800;
  font-size:.95rem;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 0 0 6px var(--accent-soft);
}
.flow-item .flow-txt h5{
  font-weight:800;
  font-size:1.02rem;
  margin-bottom:6px;
}
.flow-item .flow-txt p{
  color:var(--muted);
  font-size:.9rem;
  max-width:480px;
}
.flow-img img{
  border-radius:26px;
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  box-shadow:var(--shadow);
}

/* ===== Toolkit / App ===== */
.tool-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:48px;
  align-items:center;
}
@media(max-width:991.98px){
  .tool-grid{grid-template-columns:1fr}
}
.tool-card{
  background:var(--white);
  border:1px solid rgba(27,36,55,.06);
  border-radius:20px;
  padding:23px;
  transition:var(--transition);
}
.tool-card:hover{
  box-shadow:var(--shadow-sm);
  transform:translateY(-3px);
}
.tool-card .t-icon{
  width:46px;
  height:46px;
  border-radius:13px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1.05rem;
  background:var(--teal-soft);
  color:var(--teal);
  margin-bottom:16px;
}
.tool-card h5{
  font-weight:800;
  font-size:1rem;
  margin-bottom:7px;
}
.tool-card p{
  color:var(--muted);
  font-size:.87rem;
  margin-bottom:0;
}
.tool-card:nth-child(2) .t-icon{
  background:var(--accent-soft);
  color:var(--accent);
}
.tool-visual{
  position:relative;
}
.tool-visual .main-img{
  border-radius:24px;
  width:100%;
  aspect-ratio:4/3.1;
  object-fit:cover;
  box-shadow:var(--shadow);
}
.tool-note{
  position:absolute;
  bottom:-18px;
  right:-10px;
  background:var(--ink);
  color:#fff;
  padding:16px 20px;
  border-radius:16px;
  font-size:.82rem;
  display:flex;
  align-items:center;
  gap:10px;
  box-shadow:0 13px 30px rgba(27,36,55,.22);
}
.tool-note i{
  color:var(--accent);
}

/* ===== Trust / Principles ===== */
.trust-panel{
  background:rgba(27,36,55,.72);
  border-radius:26px;
  padding:clamp(26px,4vw,58px);
  color:#fff;
  position:relative;
  background-image:linear-gradient(rgba(27,36,55,.74),rgba(27,36,55,.82)),url("/assets/images/backpic/back-2.jpg");
  background-position:center;
  background-size:cover;
}
.trust-panel h3{
  font-weight:800;
  font-size:clamp(1.4rem,2.4vw,2.1rem);
  max-width:620px;
  margin-bottom:18px;
}
.trust-panel > p{
  color:rgba(255,255,255,.76);
  max-width:620px;
  margin-bottom:32px;
}
.trust-list{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:14px 28px;
}
@media(max-width:767.98px){
  .trust-list{grid-template-columns:1fr}
}
.trust-list li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.12);
  border-radius:15px;
  padding:14px 17px;
  font-size:.9rem;
  font-weight:600;
}
.trust-list i{
  color:#E8B864;
  margin-top:2px;
}

/* ===== FAQ ===== */
.faq-wrap{
  max-width:850px;
  margin:0 auto;
}
.faq-item{
  background:var(--white);
  border:1px solid rgba(27,36,55,.08);
  border-radius:18px;
  padding:8px 8px 8px 24px;
  margin-bottom:14px;
  transition:var(--transition);
}
.faq-item[open]{
  box-shadow:var(--shadow-sm);
  border-color:rgba(228,87,46,.20);
}
.faq-item summary{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:22px;
  cursor:pointer;
  font-weight:800;
  font-size:.98rem;
  padding:16px 16px 16px 0;
  color:var(--ink);
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"\f078";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  display:flex;
  align-items:center;
  justify-content:center;
  width:30px;
  height:30px;
  border-radius:50%;
  background:var(--paper);
  color:var(--accent);
  font-size:.72rem;
  transition:transform .25s;
  flex-shrink:0;
}
.faq-item[open] summary::after{
  transform:rotate(180deg);
  background:var(--accent);
  color:#fff;
}
.faq-item .faq-a{
  padding:0 18px 20px 2px;
  color:var(--ink-2);
  font-size:.92rem;
  border-top:1px dashed rgba(27,36,55,.08);
  padding-top:14px;
  margin-top:-2px;
}
.faq-item .faq-a p{margin-bottom:10px}
.faq-item .faq-a p:last-child{margin-bottom:0}

/* ===== Contact / CTA ===== */
.contact-cta{
  background:linear-gradient(120deg,#1B2437 0%,#242C3F 100%);
  border-radius:30px;
  color:#fff;
  padding:clamp(28px,4.5vw,64px);
  position:relative;
  overflow:hidden;
}
.contact-cta::after{
  content:"";
  position:absolute;
  width:300px;
  height:300px;
  border-radius:50%;
  background:rgba(228,87,46,.25);
  right:-80px;
  bottom:-120px;
}
.contact-cta h2{
  font-size:clamp(1.5rem,2.5vw,2.2rem);
  font-weight:800;
  margin-bottom:16px;
}
.contact-cta p{
  color:rgba(255,255,255,.72);
  font-size:.96rem;
  max-width:560px;
}
.contact-form{
  background:#fff;
  border-radius:20px;
  padding:24px;
  color:var(--ink);
}
.contact-form label{
  font-weight:700;
  font-size:.84rem;
  margin-bottom:8px;
}
.contact-form textarea{
  width:100%;
  border:1px solid var(--line);
  border-radius:12px;
  background:#FAFAF7;
  padding:14px 16px;
  font-size:.92rem;
  resize:vertical;
  min-height:112px;
  transition:var(--transition);
}
.contact-form textarea:focus{
  outline:0;
  border-color:var(--accent);
  box-shadow:0 0 0 4px rgba(228,87,46,.12);
  background:#fff;
}
.contact-form .btn-accent{
  width:100%;
  margin-top:14px;
}
.form-tip{
  font-size:.8rem;
  color:var(--muted);
  margin-top:10px;
  display:flex;
  gap:6px;
  align-items:flex-start;
}
.form-tip i{
  color:var(--teal);
  margin-top:4px;
}

/* ===== Footer ===== */
.site-footer{
  background:var(--ink);
  color:rgba(255,255,255,.72);
  padding:56px 0 24px;
}
.footer-brand{
  font-size:1.5rem;
  font-weight:800;
  color:#fff;
  display:flex;
  align-items:center;
  gap:8px;
  margin-bottom:12px;
}
.footer-brand i{
  color:var(--accent);
}
.footer-desc{
  font-size:.87rem;
  max-width:300px;
  color:rgba(255,255,255,.54);
}
.footer-link-title{
  color:#fff;
  font-weight:700;
  font-size:.94rem;
  margin-bottom:12px;
}
.footer-links li{
  margin-bottom:7px;
}
.footer-links a{
  font-size:.85rem;
  color:rgba(255,255,255,.66);
  transition:color .2s;
}
.footer-links a:hover{
  color:#fff;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  margin-top:42px;
  padding-top:24px;
  font-size:.79rem;
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  color:rgba(255,255,255,.4);
}
.footer-bottom a{
  color:rgba(255,255,255,.52);
}
.footer-bottom a:hover{
  color:#fff;
}

/* ===== Utility ===== */
.icon-title{
  display:flex;
  align-items:center;
  gap:14px;
}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:.82rem;
  font-weight:800;
  color:var(--accent);
  border-bottom:1px solid transparent;
}
.link-more:hover{
  border-color:var(--accent);
}
@media(max-width:575.98px){
  .section-padding{padding:64px 0}
  .hero{padding:40px 0 30px}
}
:focus-visible{
  outline:3px solid rgba(228,87,46,.4);
  outline-offset:2px;
  border-radius:4px;
}

/* roulang page: category1 */
:root{
  --ink:#1B2437;
  --ink-2:#3A465A;
  --muted:#6C7788;
  --paper:#F6F4EF;
  --white:#FFFFFF;
  --line:#E7E1D7;
  --accent:#E4572E;
  --accent-dark:#C3441F;
  --accent-soft:#FCE9E1;
  --teal:#2D7D7B;
  --teal-soft:#E2F0EE;
  --radius:18px;
  --radius-md:14px;
  --shadow:0 18px 55px rgba(27,36,55,.10);
  --shadow-sm:0 8px 24px rgba(27,36,55,.06);
  --transition:all .25s ease;
}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  background:var(--paper);
  color:var(--ink);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
*,*::before,*::after{box-sizing:border-box}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
a:hover{color:var(--accent)}
button,input,textarea{font-family:inherit}
ul,ol,figure,blockquote{margin:0;padding:0;list-style:none}
.container{max-width:1200px;padding-left:24px;padding-right:24px}
.sec-pad{padding:76px 0}
@media(max-width:768px){.sec-pad{padding:52px 0}}
.highlight{color:var(--accent)}
.eyebrow-pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  background:rgba(228,87,46,.09);
  border:1px solid rgba(228,87,46,.18);
  color:var(--accent-dark);
  border-radius:50px;
  font-size:.82rem;
  font-weight:700;
}
.sec-title{
  font-size:clamp(1.6rem,3vw,2.3rem);
  font-weight:800;
  line-height:1.3;
  letter-spacing:.3px;
  margin:14px 0 10px;
}
.sec-sub{
  color:var(--muted);
  font-size:1rem;
  max-width:640px;
  margin:0;
}
.text-mid{color:var(--ink-2)}
.text-muted{color:var(--muted)}

/* ========== Header ========== */
.site-header{
  position:sticky;
  top:0;
  z-index:1050;
  background:rgba(246,244,239,.92);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(27,36,55,.08);
  transition:all .3s ease;
}
.site-header.is-shrunk{
  box-shadow:0 10px 32px rgba(27,36,55,.07);
  background:rgba(255,255,255,.96);
}
.header-top{
  padding:18px 0;
  transition:padding .3s ease,opacity .25s ease;
}
.site-header.is-shrunk .header-top{
  padding:0;
  opacity:0;
  height:0;
  overflow:hidden;
  border:0;
}
.header-top-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
}
.brand-logo{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:1.6rem;
  font-weight:800;
  letter-spacing:.5px;
  color:var(--ink);
}
.brand-logo i{
  color:var(--accent);
  font-size:1.15rem;
  transform:translateY(-1px);
}
.brand-sub{
  font-size:.78rem;
  font-weight:500;
  color:var(--muted);
  border-left:1px solid var(--line);
  padding-left:10px;
  margin-left:8px;
}
.top-cta .line-btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:var(--ink);
  color:#fff;
  padding:9px 20px;
  border-radius:50px;
  font-size:.88rem;
  font-weight:600;
  transition:var(--transition);
}
.top-cta .line-btn:hover{
  background:var(--accent);
  transform:translateY(-1px);
}
.nav-shell{
  border-top:1px solid rgba(27,36,55,.06);
}
.nav-shell .nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:60px;
}
.brand-sm{
  display:flex;
  align-items:center;
  gap:6px;
  font-weight:800;
  font-size:1.08rem;
  color:var(--ink);
}
.main-nav .nav-list{
  display:flex;
  align-items:center;
  gap:30px;
  margin:0;
  padding:0;
}
.main-nav .nav-list .nav-link{
  position:relative;
  padding:0 2px;
  font-size:.95rem;
  font-weight:600;
  color:var(--ink-2);
  line-height:60px;
  border:0;
  background:transparent;
}
.main-nav .nav-list .nav-link::after{
  content:"";
  position:absolute;
  left:0;
  bottom:-2px;
  height:3px;
  width:0;
  border-radius:6px;
  background:var(--accent);
  transition:width .22s ease;
}
.main-nav .nav-list .nav-link:hover,
.main-nav .nav-list .nav-link.active{
  color:var(--ink);
}
.main-nav .nav-list .nav-link:hover::after,
.main-nav .nav-list .nav-link.active::after{
  width:100%;
}
.nav-mini-cta{
  font-size:.85rem;
  font-weight:600;
  color:var(--teal);
  white-space:nowrap;
}
.nav-mini-cta i{margin-right:4px}
.nav-mask{
  display:none;
  position:fixed;
  inset:0;
  background:rgba(27,36,55,.42);
  backdrop-filter:blur(3px);
  z-index:1055;
}
.nav-mask.show{display:block}
.hamburger{
  position:fixed;
  top:14px;
  right:16px;
  z-index:1070;
  width:42px;
  height:42px;
  border:0;
  background:rgba(255,255,255,.8);
  backdrop-filter:blur(8px);
  border-radius:12px;
  color:var(--ink);
  font-size:1.3rem;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  box-shadow:0 8px 24px rgba(27,36,55,.08);
  transition:var(--transition);
}
.hamburger:hover{color:var(--accent)}

/* ========== Category Hero ========== */
.category-hero{
  position:relative;
  padding:72px 0 64px;
  overflow:hidden;
}
.category-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(118deg,rgba(246,244,239,.97) 0%,rgba(246,244,239,.88) 35%,rgba(246,244,239,.4) 75%,rgba(228,87,46,.14) 100%),
    url("/assets/images/backpic/back-4.jpg") center/cover no-repeat;
  z-index:-2;
}
.category-hero .crumb{
  display:flex;
  align-items:center;
  gap:7px;
  font-size:.82rem;
  color:var(--muted);
  margin-bottom:18px;
}
.category-hero .crumb a{color:var(--muted);font-weight:500}
.category-hero .crumb a:hover{color:var(--accent)}
.category-hero .crumb i{font-size:.65rem;color:var(--accent)}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 14px;
  background:rgba(228,87,46,.09);
  border:1px solid rgba(228,87,46,.18);
  color:var(--accent-dark);
  border-radius:50px;
  font-size:.82rem;
  font-weight:700;
}
.category-hero h1{
  font-size:clamp(1.9rem,4.6vw,3rem);
  font-weight:800;
  line-height:1.2;
  margin:20px 0 14px;
  letter-spacing:.4px;
  max-width:700px;
}
.hero-lead{
  font-size:1.05rem;
  color:var(--ink-2);
  max-width:590px;
  margin:0;
}
.hero-lead strong{
  color:var(--accent-dark);
  font-weight:700;
}
.hero-kpis{
  display:flex;
  flex-wrap:wrap;
  gap:0 38px;
  margin-top:36px;
  padding-top:22px;
  border-top:1px solid rgba(27,36,55,.12);
}
.kpi-item .num{
  font-size:1.75rem;
  font-weight:800;
  line-height:1.1;
  color:var(--ink);
}
.kpi-item .num span{color:var(--accent)}
.kpi-item .label{
  font-size:.84rem;
  color:var(--muted);
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:28px;
}
.btn-main{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:var(--accent);
  border:1px solid var(--accent);
  color:#fff;
  font-weight:700;
  border-radius:50px;
  padding:10px 22px;
  font-size:.95rem;
  box-shadow:0 12px 28px rgba(228,87,46,.24);
  transition:var(--transition);
}
.btn-main:hover{
  background:var(--accent-dark);
  color:#fff;
  transform:translateY(-2px);
}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:transparent;
  border:1px solid rgba(27,36,55,.2);
  color:var(--ink);
  font-weight:600;
  border-radius:50px;
  padding:10px 22px;
  font-size:.95rem;
  transition:var(--transition);
}
.btn-ghost:hover{
  border-color:var(--accent);
  color:var(--accent);
  transform:translateY(-2px);
}

/* Hero right compare card */
.hero-compare{
  position:relative;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:24px;
  padding:24px;
  box-shadow:var(--shadow);
  z-index:1;
}
.compare-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-weight:800;
  font-size:.95rem;
  padding-bottom:14px;
  border-bottom:1px solid var(--line);
  margin-bottom:14px;
}
.compare-head i{color:var(--accent)}
.compare-row{
  display:flex;
  gap:12px;
  border-radius:16px;
  padding:14px;
  margin-bottom:10px;
  position:relative;
  transition:var(--transition);
}
.compare-row:hover{
  background:var(--paper);
  transform:translateX(3px);
}
.compare-row.hot{
  background:var(--accent-soft);
  border:1px solid rgba(228,87,46,.24);
}
.compare-row .cmp-ico{
  flex:0 0 38px;
  width:38px;
  height:38px;
  border-radius:12px;
  background:var(--white);
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--accent);
  font-size:1rem;
  box-shadow:var(--shadow-sm);
}
.compare-row.hot .cmp-ico{
  background:var(--accent);
  color:#fff;
}
.cmp-body{flex:1}
.cmp-body .cmp-name{
  font-weight:700;
  font-size:.94rem;
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
}
.cmp-body .cmp-desc{
  font-size:.82rem;
  color:var(--muted);
  margin-top:2px;
}
.recommend-tag{
  display:inline-block;
  font-size:.68rem;
  font-weight:800;
  background:var(--accent);
  color:#fff;
  border-radius:30px;
  padding:2px 8px;
}
.art-float-img{
  position:absolute;
  right:-14px;
  bottom:-18px;
  width:120px;
  height:120px;
  border-radius:20px;
  object-fit:cover;
  border:4px solid var(--white);
  box-shadow:var(--shadow);
  transform:rotate(6deg);
}

/* ========== Path list section ========== */
.route-section{
  background:var(--white);
  padding:80px 0;
}
.route-head{
  max-width:650px;
}
.route-list{
  display:flex;
  flex-direction:column;
  gap:16px;
  margin-top:12px;
}
.path-card{
  display:flex;
  flex-direction:column;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:20px;
  padding:22px;
  transition:var(--transition);
}
@media(min-width:768px){
  .path-card{
    flex-direction:row;
    gap:18px;
    align-items:center;
  }
}
.path-card:hover{
  background:#fff;
  box-shadow:var(--shadow-sm);
  transform:translateY(-2px);
}
.path-icon{
  width:48px;
  height:48px;
  flex:none;
  border-radius:15px;
  background:var(--accent-soft);
  color:var(--accent);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1.15rem;
}
.path-card:nth-child(2) .path-icon{
  background:var(--teal-soft);
  color:var(--teal);
}
.path-card:nth-child(3) .path-icon{
  background:#EAF0F6;
  color:#4E6E8E;
}
.path-content{flex:1}
.path-content h3{
  font-size:1.1rem;
  font-weight:800;
  margin:0 0 6px;
}
.path-content p{
  color:var(--muted);
  font-size:.9rem;
  line-height:1.75;
  margin:0;
}
.path-arrow{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:.88rem;
  font-weight:700;
  color:var(--accent);
  white-space:nowrap;
  border:0;
  background:none;
  padding:0;
  cursor:pointer;
  transition:var(--transition);
}
.path-arrow:hover{
  color:var(--accent-dark);
  gap:11px;
}
.path-tags{
  display:flex;
  flex-wrap:wrap;
  gap:6px;
  margin-top:10px;
}
.mini-tag{
  display:inline-flex;
  align-items:center;
  background:var(--white);
  border:1px solid var(--line);
  color:var(--ink-2);
  border-radius:30px;
  font-size:.74rem;
  font-weight:600;
  padding:3px 10px;
}
.path-card.hot-bottom{
  border:1px solid rgba(228,87,46,.4);
  background:linear-gradient(120deg,#fff,var(--accent-soft));
}
.path-card.hot-bottom::after{
  content:"推荐优先";
  position:absolute;
  top:-10px;
  right:18px;
  background:var(--accent);
  color:#fff;
  font-size:.68rem;
  font-weight:700;
  letter-spacing:.3px;
  padding:2px 10px;
  border-radius:20px;
}
.path-card{position:relative}

/* split visual list */
.split-visual{
  height:100%;
  min-height:260px;
  border-radius:24px;
  overflow:hidden;
  background:url("/assets/images/coverpic/cover-3.webp") center/cover no-repeat;
  position:relative;
}
.split-visual::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(27,36,55,0) 30%,rgba(27,36,55,.7) 100%);
}
.split-caption{
  position:absolute;
  left:18px;
  right:18px;
  bottom:16px;
  color:#fff;
  font-size:.95rem;
  font-weight:700;
  z-index:2;
}

/* ========== Stats / Advantage ========== */
.stat-band{
  background:
    linear-gradient(100deg,rgba(27,36,55,.95),rgba(27,36,55,.78)),
    url("/assets/images/backpic/back-5.jpg") center/cover;
  color:#fff;
  padding:78px 0;
}
.stat-band .show-title{
  color:#fff;
}
.stat-band .show-sub{
  color:rgba(255,255,255,.75);
}
.stat-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:14px;
  margin-top:22px;
}
@media(min-width:768px){
  .stat-grid{grid-template-columns:repeat(4,1fr)}
}
.stat-card{
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.15);
  backdrop-filter:blur(8px);
  border-radius:var(--radius);
  padding:18px 16px;
  text-align:center;
  transition:var(--transition);
}
.stat-card:hover{
  background:rgba(255,255,255,.14);
  transform:translateY(-4px);
}
.stat-card .s-num{
  color:#fff;
  font-size:clamp(1.5rem,2.5vw,2rem);
  font-weight:800;
  line-height:1.2;
}
.stat-card .s-num i{
  color:var(--accent);
  font-style:normal;
}
.stat-card .s-label{
  font-size:.84rem;
  color:rgba(255,255,255,.8);
  margin-top:4px;
}
.f-list{
  margin-top:16px;
  display:flex;
  flex-direction:column;
  gap:12px;
}
.f-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  color:rgba(255,255,255,.82);
  font-size:.95rem;
}
.f-list li i{
  color:#FFB29B;
  margin-top:5px;
}

/* ========== Scenario ========== */
.scenario-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px;
  height:100%;
  transition:var(--transition);
}
.scenario-card:hover{
  box-shadow:var(--shadow);
  transform:translateY(-4px);
}
.scen-ico{
  width:42px;
  height:42px;
  border-radius:13px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1rem;
  margin-bottom:14px;
}
.scen-ico.i1{background:var(--accent-soft);color:var(--accent)}
.scen-ico.i2{background:var(--teal-soft);color:var(--teal)}
.scen-ico.i3{background:#EAF0F6;color:#4E6E8E}
.scen-ico.i4{background:#F3E8D8;color:#B0813C}
.scenario-card h3{
  font-size:1rem;
  font-weight:800;
  margin:0 0 8px;
}
.scenario-card p{
  font-size:.9rem;
  color:var(--muted);
  margin:0;
  line-height:1.75;
}
.scenario-card .scen-cue{
  margin-top:14px;
  font-size:.8rem;
  font-weight:600;
  color:var(--teal);
}

/* flow timeline */
.flow-wrap{
  position:relative;
  background:var(--paper);
  border-radius:24px;
  border:1px solid var(--line);
  padding:28px;
  overflow:hidden;
}
.flow-top{
  display:flex;
  align-items:center;
  gap:12px;
  flex-wrap:wrap;
  margin-bottom:24px;
}
.flow-top .flow-note{
  font-size:.84rem;
  background:var(--white);
  color:var(--muted);
  border:1px solid var(--line);
  padding:4px 12px;
  border-radius:30px;
}
.flow-grid{
  display:grid;
  gap:12px;
}
@media(min-width:768px){
  .flow-grid{grid-template-columns:repeat(5,1fr)}
}
.flow-step{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:16px;
  padding:16px 14px;
  position:relative;
  transition:var(--transition);
}
.flow-step:hover{
  box-shadow:var(--shadow-sm);
  transform:translateY(-3px);
}
.flow-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:var(--ink);
  color:#fff;
  font-weight:800;
  font-size:.74rem;
  border-radius:30px;
  padding:1px 9px;
  margin-bottom:10px;
}
.flow-step h4{
  font-size:.95rem;
  font-weight:800;
  margin:0 0 6px;
}
.flow-step p{
  font-size:.8rem;
  color:var(--muted);
  line-height:1.6;
  margin:0;
}
.flow-arrow{
  position:absolute;
  top:22px;
  right:-9px;
  color:var(--accent);
  font-size:.7rem;
  z-index:2;
  display:none;
}
@media(min-width:768px){
  .flow-arrow{display:block}
}

/* safety note */
.safety-note{
  margin-top:22px;
  border-left:4px solid var(--teal);
  background:var(--teal-soft);
  border-radius:0 16px 16px 0;
  padding:14px 18px;
  color:var(--ink-2);
  font-size:.9rem;
}
.safety-note strong{
  color:var(--teal);
}

/* FAQ */
.faq-section{background:var(--white)}
.faq-card{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:18px 20px;
  margin-bottom:12px;
}
.faq-visible{
  display:flex;
  gap:14px;
  align-items:flex-start;
  justify-content:space-between;
  border:0;
  background:none;
  width:100%;
  text-align:left;
  padding:0;
  font-size:1rem;
  font-weight:700;
  color:var(--ink);
  cursor:pointer;
  transition:var(--transition);
}
.faq-visible i{
  color:var(--accent);
  transition:var(--transition);
}
.faq-card.open .faq-visible i{
  transform:rotate(45deg);
}
.faq-hidden{
  max-height:0;
  overflow:hidden;
  transition:max-height .35s ease;
}
.faq-hidden-inner{
  padding-top:10px;
  color:var(--muted);
  font-size:.92rem;
  line-height:1.8;
}
.faq-side-card{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px;
  margin-top:14px;
}
.faq-side-card i{
  color:var(--accent);
  font-size:1.4rem;
  margin-bottom:10px;
}
.faq-side-card h3{
  font-size:1rem;
  font-weight:800;
}
.faq-side-card p{
  font-size:.86rem;
  color:var(--muted);
  margin-bottom:0;
}

/* CTA */
.cta-finish{
  padding:86px 0 34px;
}
.cta-inner{
  position:relative;
  background:linear-gradient(120deg,var(--ink),#2F3A52 70%),url("/assets/images/backpic/back-6.jpg") center/cover;
  border-radius:30px;
  padding:52px 38px;
  color:#fff;
  overflow:hidden;
  box-shadow:var(--shadow);
}
.cta-inner::after{
  content:"";
  position:absolute;
  right:-40px;
  bottom:-60px;
  width:240px;
  height:240px;
  background:radial-gradient(circle,rgba(228,87,46,.45),transparent 68%);
  border-radius:50%;
}
.cta-inner h2{
  font-size:clamp(1.6rem,3vw,2.4rem);
  font-weight:800;
  max-width:600px;
  margin:10px 0;
}
.cta-inner p{
  color:rgba(255,255,255,.78);
  max-width:600px;
  margin:0;
  font-size:1rem;
}
.cta-btns{
  margin-top:26px;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  position:relative;
  z-index:2;
}
.cta-btns .btn-main{
  background:#fff;
  border-color:#fff;
  color:var(--ink);
}
.cta-btns .btn-main:hover{
  background:var(--accent);
  border-color:var(--accent);
  color:#fff;
}
.cta-btns .btn-ghost{
  border-color:rgba(255,255,255,.55);
  color:#fff;
}
.cta-btns .btn-ghost:hover{
  border-color:#fff;
  color:#fff;
}

/* Footer */
.site-footer{
  margin-top:36px;
  background:var(--ink);
  color:rgba(255,255,255,.72);
  padding:52px 0 22px;
}
.site-footer a{
  color:rgba(255,255,255,.72);
  transition:var(--transition);
}
.site-footer a:hover{color:#fff}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:1.35rem;
  font-weight:800;
  color:#fff;
  margin-bottom:12px;
}
.footer-brand i{color:var(--accent)}
.footer-desc{
  font-size:.88rem;
  color:rgba(255,255,255,.6);
  max-width:380px;
  margin:0;
}
.footer-link-title{
  font-size:.86rem;
  font-weight:700;
  color:#fff;
  margin-bottom:12px;
}
.footer-links{
  margin:0;
  padding:0;
}
.footer-links li{
  margin-bottom:8px;
}
.footer-links a{
  font-size:.88rem;
  color:rgba(255,255,255,.68);
}
.footer-links a:hover{color:#fff}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  margin-top:38px;
  padding-top:18px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:8px;
  font-size:.78rem;
  color:rgba(255,255,255,.42);
}

/* ========== responsive ========== */
@media(min-width:992px){
  .top-cta{display:block}
  .brand-sub{display:inline}
  .hamburger{display:none}
  .nav-mask{display:none!important}
  .main-nav{
    position:static;
    width:auto;
    height:auto;
    background:transparent;
    transform:none;
    box-shadow:none;
    border:0;
  }
  .main-nav .nav-wrap{
    flex-direction:row;
    padding:0;
    min-height:60px;
  }
  .main-nav .brand-sm{
    display:none;
  }
  .main-nav .nav-list{
    flex-direction:row;
    gap:30px;
    align-items:center;
  }
  .main-nav .nav-list .nav-link{
    display:inline-block;
    width:auto;
    background:none;
    border-radius:0;
    padding:0 2px;
    font-size:.95rem;
    line-height:60px;
  }
  .main-nav .nav-list .nav-link:hover,
  .main-nav .nav-list .nav-link.active{
    background:transparent;
    color:var(--ink);
  }
  .nav-mini-cta{
    margin:0;
    padding:0;
    border:0;
  }
}
@media(max-width:991px){
  .header-top{display:none}
  .nav-shell{
    position:fixed;
    top:0;
    right:0;
    width:min(80vw,330px);
    height:100vh;
    background:var(--white);
    box-shadow:-16px 0 44px rgba(27,36,55,.15);
    transform:translateX(105%);
    transition:transform .32s ease;
    z-index:1060;
    border-left:1px solid var(--line);
  }
  .nav-shell.is-open{
    transform:translateX(0);
  }
  .nav-shell .nav-wrap{
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    padding:22px 18px 18px;
    min-height:auto;
  }
  .nav-shell .brand-sm{
    display:flex;
    padding:6px 4px 16px;
    border-bottom:1px solid var(--line);
    margin-bottom:12px;
  }
  .nav-shell .nav-list{
    flex-direction:column;
    align-items:flex-start;
    gap:2px;
  }
  .nav-shell .nav-list .nav-link{
    display:block;
    width:100%;
    font-size:1rem;
    font-weight:700;
    line-height:1.2;
    padding:13px 8px;
    border-radius:12px;
  }
  .nav-shell .nav-list .nav-link::after{display:none}
  .nav-shell .nav-list .nav-link:hover,
  .nav-shell .nav-list .nav-link.active{
    background:var(--paper);
    color:var(--accent);
  }
  .nav-mini-cta{
    margin:14px 8px 0;
    padding-top:16px;
    border-top:1px solid var(--line);
  }
}
@media(max-width:768px){
  .category-hero{padding:52px 0 50px}
  .hero-compare{margin-top:6px}
  .route-section{padding:52px 0}
  .stat-band{padding:56px 0}
  .faq-section .faq-card{padding:15px 16px}
  .cta-inner{padding:32px 22px}
  .site-footer{padding:40px 0 22px}
}
@media(max-width:520px){
  .container{padding-left:18px;padding-right:18px}
  .hero-kpis{gap:18px;margin-top:24px}
  .kpi-item .num{font-size:1.4rem}
  .flow-wrap{padding:20px 18px}
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}